CN110512365B

CN110512365B - Knitting tiling roll lower hem machine

Info

Publication number: CN110512365B
Application number: CN201910087479.XA
Authority: CN
Inventors: 陈中华
Original assignee: Changzhou Wisdom&convergence&valley Equipment Technology Co ltd
Current assignee: Changzhou Wisdom&convergence&valley Equipment Technology Co ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2024-06-21
Anticipated expiration: 2039-01-29
Also published as: CN110512365A

Abstract

The invention discloses a knitting tiling roll lower hem machine, which is characterized in that: comprises a workbench component, a sewing component and a hemming component. The hemming assembly comprises a hemming mounting seat, a hemming platen assembly, a second upper adjusting pressing plate and a material folding plate. The folding platen assembly includes a folding platen. The hemming mounting seat is fixedly arranged on the frame and positioned in the middle of the mounting notch of the bedplate. The second upper adjusting pressing plate is fixedly arranged on the hemming mounting seat and is positioned on the upper side of the rear part of the hemming platen. The position of the second upper adjusting pressing plate in the up-down direction can be adjusted and is used for keeping the corresponding cloth flat. The hemming platen can be adjusted and arranged on the hemming mounting seat. The material folding plate is fixedly arranged on the hemming mounting seat and positioned at the lower side of the hemming platen and is used for wrapping the part to be hemmed of the cloth on the rear part of the hemming platen.

Description

Knitting tiling roll lower hem machine

Technical Field

The invention relates to the field of clothing processing equipment, in particular to a knitting flat rolling hem machine for hemming and sewing a hem of a clothing.

Background

In the clothing processing, the process of rolling the stubble edges of the fabric inside and then sewing is called hemming, so that the outline edges of the clothing are smoother and more attractive, and the cloth is not easy to scatter, thus being one of the common clothing processing modes. Most cloth hemming and sewing processes are operated by operators according to column cloth by hands, and the problems of high labor intensity, inaccurate sewing needle number, large stitch length error, poor processing effect, large relation between product quality and the technical level of operators and the like exist.

Disclosure of Invention

The invention aims to provide a knitting flat rolling lower hem machine which is simple in structure and can automatically roll edges for sewing.

The basic technical scheme for realizing the aim of the invention is as follows: the utility model provides a knitting tiling rolls up lower hem machine which structural feature is: comprises a workbench component, a sewing component and a hemming component. The table assembly includes a frame, a platen, and a transport assembly. The bedplate is fixedly arranged on the frame, and a mounting notch is arranged in the middle of the rear part of the bedplate. The conveying component is arranged on the frame and used for conveying cloth. The sewing component comprises a sewing machine, wherein the front part of the sewing machine is arranged in the left part of the mounting notch of the bedplate and is used for sewing and fixing the rolled edges of the cloth. The hemming assembly comprises a hemming mounting seat, a hemming platen assembly, a second upper adjusting pressing plate and a material folding plate. The folding platen assembly includes a folding platen. The hemming mounting seat is fixedly arranged on the frame and positioned in the middle of the mounting notch of the bedplate. The second upper adjusting pressing plate is fixedly arranged on the hemming mounting seat and is positioned on the upper side of the rear part of the hemming platen. The position of the second upper adjusting pressing plate in the up-down direction can be adjusted and is used for keeping the corresponding cloth flat. The hemming platen can be adjusted and arranged on the hemming mounting seat. The material folding plate is fixedly arranged on the hemming mounting seat and positioned at the lower side of the hemming platen and is used for wrapping the part to be hemmed of the cloth on the rear part of the hemming platen.

The technical scheme based on the basic technical scheme is as follows: the hemming platen assembly of the hemming assembly further comprises a hemming platen mounting seat, a hemming platen adjusting screw, a hemming platen adjusting hand wheel, a hemming platen guide rod and a fixed handle. The folding table plate is fixedly arranged on the folding table plate mounting seat. The edge folding table guide rod is fixedly arranged on the edge folding installation seat along the front and back directions, and the position of the edge folding table guide rod in the up-down direction can be adjusted. The rear part of the flanging table adjusting screw is rotatably arranged on the flanging installation seat, and the flanging table adjusting screw and the flanging table guide rod are mutually parallel. The position of the adjusting screw of the flanging table in the up-down direction can be adjusted. The folding table plate mounting seat is arranged on the folding table guide rod in a sliding way along the front-back direction, the front part of the folding table adjusting screw rod is screwed on the folding table plate mounting seat, and the folding table adjusting hand wheel is fixedly connected to the rear end of the folding table adjusting screw rod in a transmission way, so that the folding table adjusting screw rod is rotated by rotating the folding table adjusting hand wheel, and the position of the folding table plate mounting seat in the front-back direction is adjusted. The upper screw rod of the fixed handle passes through the corresponding waist round hole arranged along the front and back direction on the hemming mounting seat and then is screwed on the hemming platen mounting seat, so that the hemming platen mounting seat is fixed at the corresponding position through the fixed handle.

The technical scheme based on the corresponding technical scheme is as follows: the hemming assembly further includes a first upper adjustment platen, an air blowing assembly, and a transition platen. The transition platen is fixedly arranged on the platen, and the rear part of the transition platen is positioned at the lower side of the front part of the flanging platen. The first upper adjusting pressing plate is fixedly arranged on the hemming mounting seat, and the position of the first upper adjusting pressing plate in the up-down direction can be adjusted. The first upper adjusting pressing plate is located on the front upper side of the hemming platen. The rear side of the second upper adjusting pressing plate is provided with an inclined plane, the right part of the inclined plane is backwards, and the left part of the inclined plane is forwards inclined. The folding plate is horizontally and fixedly arranged on the hemming mounting seat along the left-right direction, the corresponding part is positioned below the folding platen, the front side of the folding plate is provided with a folding guide inclined plane, the folding guide inclined plane is arranged in a way that the right part is forwards, and the left part is backwards inclined.

The blowing assembly comprises a first blowing pipe, a second blowing pipe, a third blowing pipe, a fourth blowing pipe and a fifth blowing pipe. The first air blowing pipe is arranged above the right part of the second upper adjusting pressing plate and blows air between the second upper adjusting pressing plate and the flanging platen towards the left. The second air blowing pipe is arranged along the inclined plane of the second upper adjusting pressing plate and blows downwards, so that the corresponding part of the cloth is attached to the flanging platen. The third air blowing pipe is arranged on the lower side of the middle part of the material folding plate and blows forward. The fourth air blowing pipe is arranged at the left side of the second upper adjusting pressing plate and faces to the left Fang Chuiqi. The fifth air blowing pipe is arranged on the upper left side of the material folding plate and blows forward.

The technical scheme based on the technical schemes is as follows: the wire cutting device is also included. The thread cutting device comprises a thread cutting device mounting seat, a first movable cutter, a first fixed cutter, a first cutter driving assembly and a first cutter compacting assembly. The thread cutting device mounting seat is fixedly arranged on the left part of the front part of the sewing machine and positioned at the left side of a needle of the sewing machine. The first fixed cutter is fixedly arranged on the front part of the right part of the installation seat of the thread cutting device along the front-back direction. The first cutter driving assembly drives the first movable cutter and the first fixed cutter to form a shearing mechanism. The first cutter compacting component is used for enabling the first movable cutter to be in close contact with the first fixed cutter.

The technical scheme based on the technical schemes is as follows: also included is a trimming assembly. The table assembly also includes a trimming table assembly. The trimming table assembly comprises a trimming mounting plate, a trimming moving table guide assembly, a trimming moving table adjusting assembly, a trimming moving table positioning assembly, a trimming table transition plate and a trimming table plate. The trimming mounting plate is fixedly arranged on the frame and positioned below the right part of the mounting notch of the bedplate. The trimming moving plate is arranged on the trimming mounting plate in a sliding way along the front-back direction through a trimming moving table guide assembly. The trimming moving table adjusting assembly is used for adjusting the trimming moving plate to move back and forth, and the trimming moving table positioning assembly is used for fixedly positioning the trimming moving plate at the adjusted position. The trimming table transition plate is fixedly arranged on the front part of the right part of the mounting notch of the bedplate. The trimming platen is fixedly arranged on the trimming moving plate, the upper surface of the trimming platen is leveled with the upper surface of the platen, and the corresponding part of the front part of the trimming platen is positioned above the trimming platen transition plate.

The trimming assembly comprises a fixed trimming cutter, a movable trimming cutter, a trimming cutter driving assembly and a trimming cutter seat. The trimming blade holder is U-shaped with an opening leftwards, and the trimming blade holder is fixedly arranged on a trimming moving plate of the trimming table assembly. The fixed trimming blade 71 is fixedly arranged on the inner side of the front end of the trimming blade holder through a corresponding fixed trimming blade holder. The left part of the movable trimming knife is C-shaped with an opening to the right, and a shearing mechanism is formed by the front side surface of the movable trimming knife and the upper side surface of the fixed trimming knife. The trimming blade driving assembly comprises a trimming blade driving motor, a trimming blade eccentric wheel, a trimming blade driving arm, a trimming blade swinging shaft, a movable trimming blade holder and a movable trimming blade jacking spring. The motor shell of the trimming knife driving motor is fixedly arranged on the left part of the upper rear part of the trimming moving plate through a corresponding mounting seat, and the motor shaft of the trimming knife driving motor extends forwards. The trimming cutter eccentric wheel is fixedly arranged on a motor shaft of the trimming cutter driving motor. The trimming cutter eccentric wheel is in transmission connection with the trimming cutter driving arm through a corresponding bearing. The right end of the trimming cutter driving arm is hinged with the upper end of the trimming cutter swinging arm. The trimming knife swinging shaft is arranged on the front and rear arms of the U shape of the trimming knife seat in a front and rear direction in a rotating way. The rear end extends out of the trimming tool apron. The lower end of the trimming knife swinging arm is fixedly connected to the rear end of the trimming knife swinging shaft. The movable trimming knife is fixedly arranged on the left end of the front side of the movable trimming knife holder, and the movable trimming knife holder is fixedly arranged on the swinging shaft of the trimming knife and is positioned at the rear side of the fixed trimming knife holder. The movable trimming knife jacking spring is arranged on the trimming knife swinging shaft, the rear part of the movable trimming knife jacking spring is propped against the front side of the U-shaped rear arm of the trimming knife holder, and the front part of the movable trimming knife jacking spring is propped against the retaining ring fixedly arranged on the trimming knife swinging shaft.

The technical scheme based on the technical schemes is as follows: the table assembly also includes a table upper platen. The lower part of the right side of the trimming mounting plate is provided with an adjusting nut, and the axis of the adjusting nut is horizontally arranged along the front and back directions. The left side and the right side of the trimming mounting plate are respectively provided with an adjusting groove penetrating through the left side and the right side of the trimming mounting plate. The adjusting groove is arranged along the front and back directions. The trimming moving table guide assembly comprises 2 linear guide rails, and the 2 linear guide rails are fixedly arranged on the front part and the rear part of the upper side of the trimming mounting plate along the front-rear direction respectively through the guide rails of the guide rails. The trimming moving plate is fixedly arranged on the sliding blocks of the 2 linear guide rails. The trimming moving table adjusting assembly comprises a trimming table adjusting screw and a trimming table adjusting hand wheel. The trimming table adjusting screw is arranged along the front-back direction, and the rear part of the trimming table adjusting screw is rotationally arranged on the right side of the trimming mounting plate through a corresponding bearing and a bearing seat. An adjusting nut on the trimming mounting plate is screwed on an adjusting screw rod of the trimming table. The trimming table adjusting handwheel is arranged at the rear end of the trimming table adjusting screw in a transmission way, and the trimming table adjusting screw is rotated by rotating the trimming table adjusting handwheel. The trimming moving table positioning assembly has 2 groups, and the 2 groups of trimming moving table positioning assemblies have the same structure and all comprise locking screws, locking handwheels and supporting sleeves. The locking screw rod is sequentially provided with a screw rod part and a pressing part from top to bottom. The diameter of the screw part corresponds to the width of the adjusting groove of the trimming mounting plate. The diameter of the pressing part is larger than the width of the adjusting groove. The locking hand wheel is arranged at the lower end of the pressing part of the locking screw in a transmission way, and the locking screw is rotated by rotating the locking hand wheel. The locking screw rod is screwed on the trimming moving plate after penetrating through the regulating groove on the corresponding side of the trimming mounting plate from the upper screw rod part, and the corresponding part of the upper end of the lower pressing part of the locking screw rod is fixed on the lower side of the trimming mounting plate from bottom to top, so that the trimming moving plate is positioned on the trimming mounting plate. The support sleeve is arranged on the screw rod part of the locking screw rod in a sliding way and is positioned between the trimming mounting plate and the trimming moving plate. The upper pressing plate of the trimming table is fixedly arranged on the trimming moving plate and is positioned above the trimming table plate, and the position of the upper pressing plate of the trimming table in the up-down direction is adjustable.

The technical scheme based on the technical schemes is as follows: also comprises a waste recycling device. The middle part of the trimming mounting plate of the trimming table assembly of the workbench assembly is provided with a first material suction pipe hole penetrating through the middle part. The middle part of the trimming moving plate is provided with a second material sucking pipe hole penetrating through the trimming moving plate. The trimming knife seat is fixedly arranged at the second material suction pipe hole of the trimming moving plate of the trimming table assembly. The waste recycling device comprises a charging barrel, a barrel cover, a material pipe connecting pipe, a reset cover plate assembly and a material suction fan. The barrel cover is screwed and hermetically connected to the barrel. The material pipe connecting pipe is fixedly arranged on the right part of the barrel cover. The material pipe connecting pipe is communicated with the inside and the outside of the barrel cover. The suction fan is fixedly arranged on the lower side of the barrel cover and is positioned in the charging barrel, a filter screen component is arranged at the air outlet of the suction fan, and the filter screen component is detachably and fixedly connected to the barrel cover.

The reset cover plate assembly comprises a reset cover plate, a cover plate mounting seat and a cover plate reset torsion spring. The cover plate mounting seat is fixedly arranged at the lower end of the material pipe connecting pipe. The reset cover plate is rotationally connected to the cover plate mounting seat through a cover plate mounting shaft fixedly arranged on the cover plate mounting seat, a cover plate reset torsion spring is sleeved on the cover plate mounting shaft, one end of the cover plate reset torsion spring is fixedly connected to the cover plate mounting seat, the other end of the cover plate reset torsion spring is arranged on the lower side of the reset cover plate, and the cover plate reset torsion spring enables the reset cover plate to be covered on the lower end of the material pipe connecting pipe upwards, so that the lower end of the material pipe connecting pipe is sealed. When the suction fan works, the reset cover plate is opened downwards.

The technical scheme based on the technical schemes is as follows: the device also comprises a left receiving device. The left receiving device comprises a left receiving installation frame, a left lifting platform, a receiving first guide assembly, a left platform reset assembly and a left receiving overturning assembly. The left lifting platform is arranged on the left receiving installation frame in a sliding way along the upper and lower directions through the receiving first guide component. The left lifting platform descends under the gravity action of the cloth, and the cloth is reset by upward movement of the left platform reset assembly after being taken down. The left material receiving and overturning assembly comprises a material receiving overturning frame and an overturning frame driving device. The material receiving overturning frame is rotatably arranged on the upper right part of the left material receiving installation frame through the right part of the material receiving overturning frame. The roll-over stand driving device drives the material receiving roll-over stand to roll over from a horizontal state to a vertical state or from the vertical state to the horizontal state.

The technical scheme based on the technical schemes is as follows: the device also comprises a front receiving device. The workbench assembly further comprises a material receiving guide plate. The material receiving guide plate is fixedly arranged on the front part of the upper left side of the bedplate. The upper surface of the material receiving guide plate is level with the upper surface of the bedplate, the right part of the material receiving guide plate is provided with a guide inclined plane, and the guide inclined plane is obliquely arranged from the right part to the left part. The front receiving device comprises a front receiving mounting frame, a front lifting platform assembly, a clamping frame driving device, a shifting frame and a shifting frame driving device. The front lifting platform assembly comprises a lifting platform, a front platform resetting assembly, a front platform guiding assembly and a damping adjusting assembly. The lifting platform is arranged on the upper part of the front receiving installation frame in a sliding way through the front platform guide assembly. The damping adjusting component is used for adjusting the resistance to be overcome when the lifting platform descends, and the front side platform resetting component is used for enabling the lifting platform to move upwards and backwards to be reset.

The clamping frame is T-shaped and comprises an upper cross rod and a vertical telescopic rod. The upper cross rod is fixed on the upper end of the vertical telescopic rod in a left-right welding way, and the length of the vertical telescopic rod can be adjusted in a telescopic way. The lower extreme of vertical telescopic link articulates and connects on the side receives the material mounting bracket. The clamping frame driving device drives the clamping frame to swing back and forth. The material stirring frame comprises a swinging installation arm and a material stirring rod. The lower end of the swing installation arm is hinged on the left front part of the front receiving installation frame. The material stirring rod is in an inverted L shape, the left part of the material stirring rod is fixedly connected with the swing installation arm, and the position of the material stirring rod in the upper and lower directions can be adjusted. The material shifting frame driving device drives the material shifting frame to swing back and forth.

The technical scheme based on the technical schemes is as follows: the conveying assembly of the workbench assembly comprises a main driving motor, a group of feeding synchronous belts and a group of feeding guide rods. A set of feed timing belts are disposed around respective portions of the platen sequentially from front to back through respective timing pulleys. The main driving motor drives the synchronous belt wheels to rotate through the driving shafts, so that each feeding synchronous belt rotates to feed materials. The feeding guide rods are respectively arranged between two adjacent feeding synchronous belts and are fixedly arranged on the bedplate along the left-right direction.

The invention has the positive effects that: (1) The knitting flat roll lower hem machine has a simple structure, can hemming and sewing cloth, and has high automation degree.

(2) The knitting tiling roll lower hem machine is provided with a left material receiving device and a front material receiving device, wherein the left material receiving device is used for receiving materials of cloth with the length in the front-rear direction being smaller than the front-rear width of a bedplate; the front receiving device is used for receiving the cloth with a longer length in the front-back direction and a longer platen, and has strong adaptability and wide application range.

(3) The conveying component of the workbench component of the knitting flat rolling lower hem machine is provided with the feeding guide rod, so that friction between cloth and a bedplate can be reduced, the cloth can be conveyed more smoothly after being sewn, the cloth can be kept flat, and subsequent material collection is convenient.

(4) The hemming assembly of the knitting flat hemming machine is provided with the hemming platen assembly, and the position of the hemming platen in the front-rear direction can be adjusted, so that the width of a hemming can be adjusted, the adaptability is strong, and the application range is wide.

(5) The hemming assembly of the knitting flat hemming machine is provided with the second upper adjusting pressing plate, and the position of the second upper adjusting pressing plate in the upper-lower direction can be adjusted, so that the hemming assembly can adapt to cloth with different thicknesses, ensure the flatness of the cloth, improve the hemming flatness and has strong adaptability. The hemming assembly is further provided with a first upper adjusting pressing plate, the pressing range is larger, and the flatness of the cloth is further improved.

(6) The hemming component of the knitted flat roll lower hem machine is provided with the air blowing component, cloth can be smoothed through the air blowing pipe, the flatness of hemming is guaranteed, and the hemming component is suitable for cloth with certain elasticity, because the edge of the cloth with elasticity is easy to roll, and the rolled part is blown flat through air blowing of the air blowing pipe.

(7) The knitting flat roll lower hem machine is provided with the thread cutting device, and the thread can be cut off after the cloth is curled and sewn, so that the working efficiency is improved. The first movable cutter on the first movable cutter seat is tightly contacted with the first fixed cutter by the first cutter pressing component of the thread cutting device, so that a good cutting effect is ensured.

(8) The flat knitting roll-up and down-swing machine is provided with the trimming component, and the trimming component can trim burrs of cloth in order, so that the flatness after hemming is greatly improved, and the grade of clothing is greatly improved.

(9) The workbench assembly of the knitting flat rolling lower hem machine is provided with the trimming table assembly, the trimming assembly is arranged on the trimming table assembly, and the front and rear positions of the trimming assembly are adjusted through the trimming table assembly, so that the burr quantity is modified, and the adaptability is high.

(10) The knitting flat rolling lower hem machine is provided with the waste recycling device, so that burr waste cut by the trimming assembly can be collected, the workshop environment is ensured to be tidy, and the knitting flat rolling lower hem machine is beneficial to the health of workers.

(11) The left receiving device of the knitting flat roll lower hem machine is simple in structure, the left lifting platform descends under the action of gravity of cloth and the action of the receiving overturning frame, more cloth can be piled at one time, and the working efficiency is improved; the left lifting platform realizes positioning and resetting under the action of the main shaft lifting plate spring, does not need an additional power source, and is convenient to use and energy-saving.

(12) The front material collecting device of the knitting flat rolling lower hem machine is provided with the lifting platform, the sliding resistance of the lifting platform can be adjusted according to the weight of corresponding cloth, the structure is simple, the adjustment is convenient, the automatic descent is realized by the gravity action of the cloth, and the use is convenient.

Drawings

FIG. 1 is a schematic diagram of a knitted and tiled roll-up and downswing machine of the present invention;

FIG. 2 is a left side schematic view of FIG. 1;

FIG. 3 is a right side schematic view of FIG. 1;

FIG. 4 is a schematic top view of FIG. 1;

FIG. 5 is a schematic view from the upper right front of FIG. 1;

FIG. 6 is a schematic view from the top left front of FIG. 1;

FIG. 7 is a schematic view from the upper right rear of FIG. 1;

FIG. 8 is a schematic view from above and to the left of FIG. 1;

FIG. 9 is a schematic view of the table assembly as seen from the lower left front of FIG. 1;

FIG. 10 is a schematic view of the table assembly as viewed from the upper right rear of FIG. 1;

FIG. 11 is an enlarged schematic view of the hemming assembly of FIG. 1;

FIG. 12 is a right side view of FIG. 11;

Fig. 13 is a schematic view as seen from the upper right rear of fig. 11;

FIG. 14 is a schematic view from the upper left rear of FIG. 11;

FIG. 15 is a schematic view of a second upper adjustment platen and a blank holder of the hemming assembly as viewed from the upper right rear of FIG. 11;

Fig. 16 is an enlarged schematic view of the wire cutting device as seen from the upper right front of fig. 1;

FIG. 17 is an enlarged view of the wire cutting device with the wire cutting device mount removed from the upper right hand side of FIG. 1;

FIG. 18 is an enlarged view of the wire cutting device with the wire cutting device mount removed from the front left lower view of FIG. 1;

FIG. 19 is an enlarged schematic view of the trimming assembly as viewed from the upper right rear of FIG. 1;

FIG. 20 is an enlarged schematic view of the trimming assembly as viewed from the lower right rear of FIG. 1;

FIG. 21 is an enlarged schematic view of the movable trimmer of the trimmer assembly;

FIG. 22 is an enlarged schematic view of the stationary, movable and movable trimming blade holders of the trimming assembly;

FIG. 23 is an enlarged schematic view of the trimming assembly as viewed from above and to the left of FIG. 1;

FIG. 24 is a schematic view of the construction of the waste recycling device;

FIG. 25 is an enlarged schematic view of the feed tube connection tube and reset cover assembly of the waste reclamation apparatus of FIG. 24;

FIG. 26 is a schematic view of the left side receiving device as viewed from the upper right rear of FIG. 1;

Fig. 27 is a schematic view of the front-side receiving device as seen from the right front lower side in fig. 1;

fig. 28 is a schematic view of the front-side receiving device as seen from the lower left side in fig. 1.

The labels in the above figures are as follows:

a workbench assembly 1, a frame 11, a bedplate 12, a conveying assembly 13, a main driving motor 13-1, a feeding synchronous belt 13-2, a feeding guide rod 13-3,

The trimming table assembly 14, the trimming mounting plate 14-1, the first suction pipe hole 14-11, the adjusting groove 14-12, the trimming moving plate 14-2, the second suction pipe hole 14-21, the trimming moving table guiding assembly 14-3, the trimming moving table adjusting assembly 14-4, the trimming table adjusting screw 14-41, the trimming table adjusting hand wheel 14-42, the trimming moving table positioning assembly 14-5, the locking screw 14-51, the locking hand wheel 14-52, the supporting sleeve 14-53, the trimming table upper pressing plate 14-6, the trimming table transition plate 14-7, the trimming table feeding blow pipe 14-8, the trimming table plate 14-9, the limiting plate 15, the material receiving guide plate 16,

The sewing assembly 2, the sewing machine 21,

A hemming assembly 3, a hemming mount 3-1,

A folding table plate assembly 3-2, a folding table plate 3-21, a folding table plate mounting seat 3-22, a folding table adjusting screw rod 3-23, a folding table adjusting hand wheel 3-24, a folding table guide rod 3-25, a fixed handle 3-26,

A first upper adjusting pressing plate 3-3, a second upper adjusting pressing plate 3-4, an inclined plane 3-41, a folding plate 3-5, a folding guiding inclined plane 3-51,

3-6 Parts of blowing assembly, 3-61 parts of first blowing pipe, 3-62 parts of second blowing pipe, 3-63 parts of third blowing pipe, 3-64 parts of fourth blowing pipe, 3-65 parts of fifth blowing pipe, 3-7 parts of transition bedplate,

The thread cutting device 4, the thread cutting device mounting seat 41, the first movable cutter 42, the first fixed cutter 43, the first cutter driving component 44, the first cutter driving cylinder 44-1, the first connecting arm 44-2, the first swinging arm 44-3, the first connecting shaft 44-4, the first driving arm 44-5, the first driving shaft 44-6, the first movable cutter seat 44-7, the first cutter pressing component 45, the compression spring 45-1, the plug 45-2,

Left receiving device 5, left receiving mounting frame 51, left lifting platform 52, plate spring connecting plate 52-1, receiving first guiding component 53, left platform resetting component 54, left receiving turning component 55, receiving turning frame 55-1, turning frame driving device 55-2, left protecting frame 56,

Front side receiving device 6, front side receiving mounting frame 61, front side lifting platform assembly 62, lifting platform 62-1, front side platform resetting assembly 62-2, front side platform guiding assembly 62-3, cylinder shaft 62-31, linear bearing 62-32, damping adjusting assembly 62-4, adjusting shaft 62-41, adjusting hand wheel 62-42, tension spring 62-43, connecting arm 64-44, damping eccentric wheel 62-45, clamping frame 63, upper cross bar 63-1, vertical telescopic rod 63-2, clamping frame driving device 64, lifting frame 65, swinging mounting arm 65-1, lifting rod 65-2, lifting frame driving device 66,

The trimming assembly 7, the fixed trimming blade 71, the fixed trimming blade seat 71a, the movable trimming blade 72, the trimming blade driving assembly 73, the trimming blade driving motor 73-1, the trimming blade eccentric wheel 73-2, the trimming blade driving arm 73-3, the trimming blade swinging arm 73-4, the trimming blade swinging shaft 73-5, the movable trimming blade seat 73-6, the movable trimming blade pressing spring 73-7, the trimming blade seat 74, the trimming assembly cover 75,

Waste recycling device 8, feed cylinder 81, bung 82, material pipe connecting tube 83, front material pipe connecting tube 83a, rear material pipe connecting tube 83b, reset cover plate assembly 84, reset cover plate 84-1, cover plate mounting seat 84-2, cover plate reset torsion spring 84-3, cover plate mounting shaft 84-4, filter screen assembly 85, and handle 86.

Detailed Description

In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The description of the azimuth of the present invention is performed according to the azimuth shown in fig. 1, that is, the up-down-left-right direction shown in fig. 1 is the up-down-left-right direction of the description, the direction facing in fig. 1 is the front, and the direction facing away from fig. 1 is the rear. It should be understood that the terms "upper," "lower," "inner," "outer," and the like indicate orientations or positional relationships based on the positional relationships described in the drawings, and are merely used to facilitate describing the invention or simplify the description, and do not indicate a particular orientation that must be assumed.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1 to 28, the knitting flat roll lower hem machine of the present invention includes a workbench assembly 1, a sewing assembly 2, a hemming assembly 3, a thread cutting device 4, a left side material receiving device 5, a front side material receiving device 6, a trimming assembly 7 and a waste recycling device 8.

Referring to fig. 1to 10, the table assembly 1 includes a frame 11, a platen 12, a conveying assembly 13, an edging table assembly 14, a limiting plate 15, and a receiving guide plate 16. The platen 12 is fixedly provided on the frame 11. The middle of the rear part of the bedplate 12 is provided with a mounting notch.

The conveying assembly 13 comprises a main driving motor 13-1, a group of feeding synchronous belts 13-2 and a feeding guide rod 13-3. The group of feeding timing belts 13-2 of this embodiment has 8, 6 of which are disposed around the platen 12 by the corresponding timing pulleys in order from front to back, and the other two of which are disposed around the rear left and rear right of the platen 12 by the corresponding timing pulleys in order from left to right. The main driving motor 13-1 drives the synchronous pulleys to rotate through the driving shafts, so that each feeding synchronous belt 13-2 rotates to feed materials. The number of the feeding guide rods 13-3 is 5, and the 5 feeding guide rods 13-3 are fixedly arranged on the left part of the bedplate 12 along the left-right direction and are respectively positioned between two adjacent feeding synchronous belts 13-2 of the 6 feeding synchronous belts 13-2 arranged around the bedplate 12.

The edging bench assembly 14 includes an edging mounting plate 14-1, an edging moving plate 14-2, an edging moving bench guide assembly 14-3, an edging moving bench adjustment assembly 14-4, an edging moving bench positioning assembly 14-5, an edging bench upper platen 14-6, an edging bench transition plate 14-7, an edging bench feed gas blow pipe 14-8, and an edging bench plate 14-9.

The trimming mounting plate 14-1 is fixedly arranged on the frame 11 and is positioned below the right part of the mounting notch of the bedplate 12. The middle part of the trimming mounting plate 14-1 is provided with a first suction pipe hole 14-11 penetrating through the upper part and the lower part of the trimming mounting plate. The lower right side of the trimming mounting plate 14-1 is provided with an adjusting nut, and the axis of the adjusting nut is horizontally arranged along the front and back directions. The left and right sides of the trimming mounting plate 14-1 are respectively provided with an adjusting groove 14-12 penetrating through the left and right sides. The adjustment slots 14-12 are disposed in a front-to-rear direction. The edging mobile station guide assembly 14-3 includes 2 linear rails, each of which is a THK type FBW3590XR plate rail. The 2 linear guides are fixedly provided on the upper front and rear portions of the trim mounting plate 14-1 in the front-rear direction by their respective guides, respectively. The trimming moving plate 14-2 is fixedly provided on the sliders of the 2 linear guides, so that the trimming moving plate 14-2 is slidably provided on the trimming mounting plate 14-1 in the front-rear direction by the trimming moving table guide assembly 14-3. The middle part of the trimming moving plate 14-2 is provided with a second suction pipe hole 14-21 penetrating the trimming moving plate up and down. The edging moving stage adjustment assembly 14-4 includes an edging stage adjustment screw 14-41 and an edging stage adjustment handwheel 14-42. The edging bench adjusting screw 14-41 is disposed in the front-rear direction, and the rear portion of the edging bench adjusting screw 14-41 is rotatably disposed on the right side of the edging mounting plate 14-1 by means of respective bearings and bearing blocks. The adjustment nut on the edger mounting plate 14-1 is threaded onto the edger adjustment screw 14-41. The trimming table adjusting handwheel 14-42 is arranged on the rear end of the trimming table adjusting screw 14-41 in a transmission way, and the trimming table adjusting screw 14-41 is rotated by rotating the trimming table adjusting handwheel 14-42, so that the trimming mounting plate 14-1 is driven to move back and forth along the trimming moving table guide assembly 14-3 by an adjusting nut of the trimming mounting plate 14-1. The trimming moving table positioning assembly 14-5 has 2 groups, and the 2 groups of trimming moving table positioning assemblies 14-5 have the same structure and comprise locking screws 14-51, locking handwheels 14-52 and supporting sleeves 14-53. The locking screw 14-51 is provided with a screw part and a pressing part from top to bottom. The diameter of the screw portion corresponds to the width of the adjustment slot 14-12 of the trim mounting plate 14-1. The diameter of the hold-down is greater than the width of the adjustment slot 14-12. The locking hand wheel 14-52 is arranged on the lower end of the pressing part of the locking screw 14-51 in a transmission way, and the locking screw 14-51 is rotated by rotating the locking hand wheel 14-52. The locking screw 14-51 is screwed on the trimming moving plate 14-2 by the upper screw portion penetrating the adjusting groove 14-12 on the corresponding side of the trimming mounting plate 14-1, the corresponding portion of the upper end of the lower pressing portion of the locking screw 14-51 is fixed on the lower side of the trimming mounting plate 14-1 from bottom to top, so that the trimming moving plate 14-2 is positioned on the trimming mounting plate 14-1 and cannot slide back and forth. When the position of the trimming moving plate 14-2 needs to be adjusted, the locking screw 14-51 is loosened, and the trimming moving plate is screwed and fixed after the position is adjusted. The supporting sleeve 14-53 is slidably disposed on the screw portion of the locking screw 14-51 and is located between the trimming mounting plate 14-1 and the trimming moving plate 14-2, so as to prevent the two sides of the trimming mounting plate 14-1 and the trimming moving plate 14-2 from being deformed due to approaching each other when the locking screw 14-51 is pushed up. An edging stand transition plate 14-7 is fixedly provided on the right front portion of the mounting notch of the platen 12. The trimming platen 14-9 is fixedly disposed on the trimming movable plate 14-2 with its upper surface being flush with the upper surface of the platen 12, and the front portion of the trimming platen 14-9 is located above the trimming platen transition plate 14-7. The upper pressing plate 14-6 of the trimming table is fixedly arranged on the trimming moving plate 14-2 and is positioned above the trimming table plate 14-9. The upper pressing plate 14-6 of the trimming table can be adjusted in position in the up-down direction and can be suitable for pressing cloth with different thicknesses. The right part of the upper pressing plate 14-6 of the trimming table is tilted upwards, so that feeding is facilitated. The trimming table feeding air blowing pipe 14-8 is arranged on the right part of the trimming movable plate 14-2 along the front-back direction and positioned on the right side of the trimming table upper pressing plate 14-6, a group of air outlet holes are formed in the left side of the trimming table feeding air blowing pipe 14-8 from front to back, and each air outlet hole penetrates through the inside and outside along the radial direction of the trimming table feeding air blowing pipe 14-8 and is used for blowing air between the trimming table upper pressing plate 14-6 and the trimming table plate 14-9, so that cloth can be assisted to be blown flatly, and the cloth can be flatly fed between the trimming table upper pressing plate 14-6 and the trimming table plate 14-9.

The stopper plate 15 is provided on the right upper rear portion of the platen 12, and its position in the front-rear direction is adjustable.

A receiving guide plate 16 is fixedly provided on the left upper front portion of the platen 12. The upper surface of the material receiving guide plate 16 is level with the upper surface of the bedplate 12, the right part of the material receiving guide plate 16 is provided with a guide inclined plane, and the guide inclined plane is obliquely arranged from the right part to the left part.

Referring to fig. 1 to 8, the sewing assembly 2 includes a sewing machine 21, the sewing machine 21 is slidably disposed on the rear portion of the middle of the frame 11 of the workbench assembly 1 along the front and rear directions through corresponding linear guide rails, and is limited and fixed through corresponding knob plungers, and when maintenance is required, the limitation of the knob plungers is released, and the sewing machine 21 can be pulled out along the linear guide rails. The front portion of the sewing machine 21 is located in the left portion of the mounting notch of the platen 12.

Referring to fig. 1 to 8 and 11 to 15, the hemming assembly 3 includes a hemming mount 3-1, a hemming platen assembly 3-2, a first upper adjustment platen 3-3, a second upper adjustment platen 3-4, a blanking plate 3-5, a blowing assembly 3-6, and a transition platen 3-7.

The hemming mount 3-1 is fixedly provided on the frame 11 in the middle of the mounting notch of the platen 12, between the trimming table assembly 14 and the sewing machine 21. The folding table plate assembly 3-2 comprises a folding table plate 3-21, a folding table plate mounting seat 3-22, a folding table adjusting screw rod 3-23, a folding table adjusting hand wheel 3-24, a folding table guide rod 3-25 and a fixed handle 3-26. The folding table plate 3-21 is fixedly arranged on the folding table plate mounting seat 3-22. The hemming platform guide rod 3-25 is fixedly arranged on the hemming mounting seat 3-1 along the front-back direction, and the position of the hemming platform guide rod 3-25 in the up-down direction can be adjusted. The rear part of the flanging table adjusting screw 3-23 is rotatably arranged on the flanging mounting seat 3-1, and the flanging table adjusting screw 3-23 and the flanging table guide rod 3-25 are mutually parallel. The position of the hemming table adjusting screw 3-23 in the up-down direction can be adjusted. The folding table mounting seat 3-22 is arranged on the folding table guide rod 3-25 in a sliding manner along the front-back direction, the front part of the folding table adjusting screw rod 3-23 is screwed on the folding table mounting seat 3-22, and the folding table adjusting hand wheel 3-24 is fixedly connected to the rear end of the folding table adjusting screw rod 3-23 in a transmission manner, so that the folding table adjusting screw rod 3-23 is rotated by rotating the folding table adjusting hand wheel 3-24 to adjust the position of the folding table mounting seat 3-22 in the front-back direction. The upper screw of the fixed handle 3-26 passes through the corresponding waist round hole arranged along the front-back direction on the hemming mounting seat 3-1 and then is screwed on the hemming platen mounting seat 3-22, so that the hemming platen mounting seat 3-22 is fixed at the corresponding position through the fixed handle 3-26.

The first upper adjusting pressing plate 3-3 is fixedly arranged on the hemming mounting seat 3-1, and the position of the first upper adjusting pressing plate 3-3 in the up-down direction can be adjusted. The first upper adjusting platen 3-3 is located on the front upper side of the hemming platen 3-21. The second upper adjusting pressing plate 3-4 is fixedly arranged on the hemming mounting seat 3-1, and the position of the second upper adjusting pressing plate 3-4 in the up-down direction can be adjusted. The second upper adjusting platen 3-4 is located on the rear upper side of the hemming platen 3-21. The rear side of the second upper adjusting pressing plate 3-4 is provided with an inclined plane 3-41. The inclined planes 3-41 are inclined backward in the right part and forward in the left part. The material folding plate 3-5 is horizontally and fixedly arranged on the hemming mounting seat 3-1 along the left and right directions, the corresponding parts are positioned below the hemming platen 3-21, the front side of the material folding plate is provided with a hemming guide inclined surface 3-51, the hemming guide inclined surface 3-51 is arranged in a right part forward direction, and the left part is obliquely arranged backwards.

The blowing assembly 3-6 includes a first blowing pipe 3-61, a second blowing pipe 3-62, a third blowing pipe 3-63, a fourth blowing pipe 3-64, and a fifth blowing pipe 3-65. The first air blowing pipe 3-61 is arranged above the right part of the second upper adjusting pressing plate 3-4 and blows air between the second upper adjusting pressing plate 3-4 and the flanging platen 3-21 towards the left. The second air blowing pipe 3-62 is arranged along the inclined plane 3-41 of the second upper adjusting pressing plate 3-4, and blows air downwards to enable the corresponding part of the cloth to be attached to the flanging platen 3-21. The third air blowing pipe 3-63 is arranged on the lower side of the middle part of the folding plate 3-5 and blows forward to blow down the fallen cloth, so that the cloth can conveniently enter between the folding table plate 3-21 and the folding plate 3-5. The fourth air blowing pipe 3-64 is arranged at the left side of the second upper adjusting pressing plate 3-4 and faces to the left Fang Chuiqi, so that the cloth can smoothly enter the sewing machine 21 of the sewing assembly 2 for sewing. The fifth air blowing pipe 3-65 is arranged on the upper side of the left part of the material folding plate 3-5 and blows forward to blow corresponding cloth on the material folding plate 3-5 to be flat. The transition platen 3-7 is fixedly arranged on the platen 12, and the rear part thereof is positioned on the front lower side of the hemming platen 3-21.

Referring to fig. 1 to 8 and 16 to 18, the thread cutting device 4 includes a thread cutting device mount 41, a first movable cutter 42, a first fixed cutter 43, a first cutter driving assembly 44, and a first cutter pressing assembly 45.

The thread cutting device mounting seat 41 is fixedly arranged on the left part of the front part of the sewing machine 21 and is positioned at the left side of the needle of the sewing machine 21. The first fixing cutter 43 is fixedly provided on the right front portion of the thread cutting device mounting seat 41 in the front-rear direction. The first cutter drive assembly 44 includes a first cutter drive cylinder 44-1, a first connecting arm 44-2, a first swing arm 44-3, a first connecting shaft 44-4, a first drive arm 44-5, a first drive shaft 44-6, and a first movable cutter seat 44-7. The first cutter driving cylinder 44-1 is a CQ2B32-5 thin double-acting cylinder of SMC. The first cutter driving cylinder 44-1 is fixedly provided by its cylinder body on the thread cutting device mounting seat 41 with its piston rod extending forward. The first connecting arm 44-2 is fixedly provided on the end of the piston rod of the first cutter driving cylinder 44-1. The first swing arm 44-3 is U-shaped with its opening facing downward. The upper portion of the first swing arm 44-3 is rotatably connected to the thread cutting device mounting base 41 with its rotation axis horizontally disposed in the left-right direction. The first connecting shaft 44-4 passes through the upper part of the first driving arm 44-5, the end of the lower part of the first swinging arm 44-3 at the right part and the end of the first swinging arm 44-3 at the left part in sequence from right to left, and connects the first driving arm 44-5 and the first swinging arm 44-3 in a hinged manner. The front portion of the first swing arm 44-3 is engaged with a portion of the first connecting shaft 44-4 located between both ends of the lower portion of the first swing arm 44-3. The first movable cutter seat 44-7 is rotatably arranged on the thread cutting device mounting seat 41 through a corresponding pin shaft, the pin shaft is fixedly connected with the first movable cutter seat 44-7, the axis of the pin shaft is horizontally arranged along the left-right direction, and the pin shaft is slidably arranged in the thread cutting device mounting seat 41 along the left-right direction. The first driving shaft 44-6 is an eccentric shaft, and a left portion of the first driving shaft 44-6 is slidably disposed in a lower end of the first driving arm 44-5, and a right portion of the left portion of the first driving shaft 44-6 is fixedly connected with the first movable cutter holder 44-7.

The first movable cutter 42 is fixedly arranged on the first movable cutter seat 44-7, so that the first cutter driving cylinder 44-1 pushes and pulls the first connecting shaft 44-4 to enable the lower portion of the first swinging arm 44-3 to swing forwards, the first connecting shaft 44-4 moves along a corresponding arc, the first driving arm 44-5 moves along the first connecting shaft 44-4, the lower portion of the first driving arm 44-5 enables the front portion of the first movable cutter seat 44-7 to rotate downwards through the first driving shaft 44-6, and the first movable cutter 42 and the first fixed cutter 43 form a corresponding shearing mechanism.

The first cutter compression assembly 45 includes a compression spring 45-1 and a plug 45-2. The compression spring 45-1 is arranged in the thread cutting device mounting seat 41, the pin shaft on the first movable cutter seat 44-7 is propped against from left to right, the plug 45-2 is fixedly arranged in the thread cutting device mounting seat 41, the compression spring 45-1 is propped against from left and limited in the thread cutting device mounting seat 41, and the compression spring 45-1 is in a compression state, so that the compression spring 45-1 props the first movable cutter seat 44-7 rightwards, the first movable cutter 42 on the first movable cutter seat 44-7 is tightly contacted with the first fixed cutter 43, and a good cutting effect is ensured.

Referring to fig. 1 to 8 and 26, the left receiving device 5 includes a left receiving mounting frame 51, a left lifting platform 52, a receiving first guide assembly 53, a left platform reset assembly 54, a left receiving overturning assembly 55 and a left protecting frame 56. The first guide assembly 53 for receiving material comprises 2 linear guide rails, and the 2 linear guide rails are plate guide rails of THK type FBW3590 XR. The 2 linear guide rails are respectively fixedly arranged on the front side and the rear side of the right part of the left material receiving installation frame 51 along the up-down direction by the respective guide rails, the left lifting platform 52 is fixedly arranged on the slide block seats of the 2 linear guide rails, and the left lifting platform 52 is horizontally arranged, so that the left lifting platform 52 is arranged on the left material receiving installation frame 51 along the up-down direction in a sliding manner through the material receiving first guide component 53. The middle part of the right part of the left lifting platform 52 is vertically provided with a plate spring connecting plate 52-1 along the front-back direction. The left side platform return assembly 54 includes 2 spindle lift leaf springs, which in this embodiment employs a CFS of 1.8 m. The 2 main shaft lifting plate springs are sequentially arranged on the middle part of the upper part of the right part of the left material receiving installation frame 51 from front to back, the upper ends of the main shaft lifting plate springs are fixedly arranged and connected on corresponding installation shafts, the installation shafts are rotatably arranged on the left material receiving installation frame 51, the other ends of the main shaft lifting plate springs positioned below are fixedly connected with the plate spring connecting plates 52-1 of the left lifting platform 52 in a welding mode, and accordingly the left lifting platform 52 moves upwards to reset by means of restoring force of shrinkage of the main shaft lifting plate springs. The left side material receiving and turning assembly 55 includes a material receiving and turning frame 55-1 and a turning frame driving device 55-2. The receiving roll-over stand 55-1 is rotatably provided on the upper right portion of the left receiving mounting frame 51 from the right portion thereof. The roll-over stand driving device 55-2 adopts a cylinder driving mode or a motor driving mode, and the embodiment adopts a cylinder driving mode, and the cylinder adopts a CM2E20-50 cylinder of SMC. The roll-over stand driving device 55-2 is hinged on the lower right part of the left receiving installation frame 51 through a cylinder body of the air cylinder, a piston rod of the roll-over stand driving device extends upwards, a connecting rod is hinged on the end head of the piston rod of the air cylinder, the other end of the connecting rod is fixedly connected with the receiving roll-over stand 55-1, and accordingly the roll-over stand driving device 55-2 drives the receiving roll-over stand 55-1 to roll over from a horizontal state to a vertical state or from the vertical state to the horizontal state. The left protection frame 56 is fixedly arranged at the left end of the left receiving installation frame 51, so that accidental injury caused by the fact that someone approaches the left lifting platform 52 from the left side is prevented.

When the left receiving device 5 is used: the left receiving device 5 is used for receiving cloth, such as sleeves, cuff cloth pieces, etc., which has a length in the front-rear direction smaller than the width of the platen in the front-rear direction. In the initial state, the material receiving roll-over stand 55-1 is in a vertical state and is positioned below the left part of the conveying assembly 13. When the left part of the sewn cloth hangs down from the left end of the conveying assembly 13 to the left side of the material receiving roll-over stand 55-1, the material receiving roll-over stand 55-1 is turned left to a horizontal state, so that the sewn cloth is tiled on the left lifting platform 52. The material receiving roll-over stand 55-1 is then turned right to a vertical state, ready for the next material receiving. The left lift platform 52 gradually descends against the force of the spindle lift leaf spring as the upper stacked cloth increases. When all the sewn cloth is taken off, the left lifting platform 52 is lifted upwards to reset by the restoring force of the main shaft lifting plate spring.

Referring to fig. 1 to 8, 27 and 28, the front-side take-up device 6 includes a front-side take-up mounting frame 61, a front-side lift platform assembly 62, a grip frame 63, a grip frame driving device 64, a kick-out frame 65 and a kick-out frame driving device 66.

The front lift platform assembly 62 includes a lift platform 62-1, a front platform return assembly 62-2, a front platform guide assembly 62-3, and a damping adjustment assembly 62-4. The elevating platform 62-1 is slidably provided on an upper portion of the front receiving mounting frame 61 through the front platform guide assembly 62-3. The front side platform guide assembly 62-3 has 2 sets, and the 2 sets of front side platform guide assemblies 62-3 are identical in structure and each include a cylindrical shaft 62-31 and a linear bearing 62-32 slidably disposed on the cylindrical shaft 62-31. The 2 sets of front platform guide assemblies 62-3 are arranged in sequence in the left-right direction. The linear bearings 62-32 of the 2 sets of front platform guide assemblies 62-3 are fixedly arranged on the upper part of the front receiving mounting frame 61, and the axes of the linear bearings are arranged in a front low and rear high inclined manner. The lift platform 62-1 is fixedly disposed on the cylindrical shafts 62-31 of the 2 sets of front platform guide assemblies 62-3. The front side platform return assembly 62-2 includes a spindle lift leaf spring, which in this embodiment employs a CFS of rice 1.8. The upper end of the rear part of the main shaft lifting plate spring is fixedly connected to a corresponding mounting shaft, the mounting shaft is rotatably arranged on the upper part of the front material collecting mounting frame 61, and the lower end of the main shaft lifting plate spring positioned at the front part is fixedly connected with the lifting platform 62-1, so that the lifting platform 62-1 moves upwards and backwards to reset by virtue of the restoring force of the shrinkage of the main shaft lifting plate spring.

The damping adjustment assembly 62-4 includes an adjustment shaft 62-41, an adjustment hand wheel 62-42, a tension spring 62-43, a connecting arm 64-44, and a damping eccentric 62-45. The adjusting shaft 62-41 is provided on the front-side take-up mount 61 so as to horizontally rotate in the left-right direction. The damping eccentric wheels 62-44 are 2, and the 2 damping eccentric wheels are fixedly arranged on the adjusting shafts 62-41 and are respectively positioned below the cylindrical shafts 62-31 of the corresponding front platform guide assemblies 62-3. The adjusting hand wheel 62-42 is fixedly arranged on the right end of the adjusting shaft 62-41 in a transmission way. One end of the connecting arm 64-44 is fixedly connected to the adjusting shaft 62-41, and the tension spring 62-43 is arranged between the other end of the connecting arm 64-44 and the front receiving mounting frame 61. The tension spring 62-43 rotates the adjusting shaft 62-41 through the connecting arm 64-44, so that the damping eccentric wheel 62-45 is propped against the cylindrical shaft 62-31, the lifting platform 62-1 can slide downwards only by overcoming a certain force (damping), namely, after the cloth is collected on the lifting platform 62-1, the lifting platform 62-1 slides downwards by a corresponding distance under the action of the gravity of the cloth. When all the cloth on the lifting platform 62-1 is taken away, the lifting platform 62-1 is lifted upwards to reset under the action of the main shaft lifting plate spring.

The clamping frame 63 is T-shaped, and the clamping frame 63 comprises an upper cross bar 63-1 and a vertical telescopic rod 63-2. The upper cross bar 63-1 is welded and fixed to the upper end of the vertical telescopic bar 63-2 in the left-right direction, and the length of the vertical telescopic bar 63-2 can be telescopically adjusted, thereby changing the height of the upper cross bar 63-1. The lower end of the vertical telescopic rod 63-2 is hinged to the side take-up mounting frame 61. The clamping frame driving device 64 adopts a cylinder driving mode, the embodiment adopts a CM2E20-25 cylinder of SMC, the cylinder body of the cylinder is hinged on the right part of the front receiving installation frame 61, the piston rod of the cylinder extends backwards, and the piston rod is hinged with the vertical telescopic rod 63-2 of the clamping frame 63, so that the clamping frame 63 is driven to swing forwards and backwards by the clamping frame driving device 64. The kick-out stand 65 includes a swing mounting arm 65-1 and a kick-out lever 65-2. The swing mounting arm 65-1 is hinged at its lower end to the left front portion of the front take-up mounting frame 61. The material stirring rod 65-2 is in an inverted L shape, the left part of the material stirring rod 65-2 is fixedly connected with the swing mounting arm 65-1, and the position of the material stirring rod in the up-down direction can be adjusted. The driving device 66 of the material shifting frame adopts a cylinder driving mode, the embodiment adopts a CM2E32-125 cylinder of SMC, the cylinder body of the cylinder is hinged on the left rear part of the front material collecting and mounting frame 61, the piston rod of the cylinder extends forwards, and the end of the piston rod is hinged with the swing mounting arm 65-1, so that the driving device 66 of the material shifting frame 65 drives the material shifting frame to swing forwards and backwards.

When the front receiving device 6 is used: the front-side material receiving device 6 is used for receiving a material, such as a large-body material, which is long in the front-rear direction and extends out of the cloth of the platen. In the initial state, the piston rod of the cylinder of the clamping frame driving device 64 is in a backward extending state, the upper cross rod 63-1 of the clamping frame 63 is close to the bedplate 12 backward, and the right end of the upper cross rod 63-1 is positioned at the left lower side of the material receiving guide plate 16. The piston rod of the cylinder of the kick-out stand driving means 66 is in a retracted state backward, and the upper portion of the kick-out lever 65-2 is located between the upper cross bar 63-1 of the grip stand 63 and the take-up guide plate 16. When the front portion of the sewn cloth moves to the receiving guide plate 16, it is guided by the receiving guide plate 16 between the upper cross bar 63-1 of the clamping frame 63 and the lifting platform 62-1. The piston rod of the cylinder of the holder driving means 64 protrudes forward, and the upper cross bar 63-1 of the holder 63 clamps and fixes the corresponding portion of the cloth on the rear side of the elevating platform 62-1. Then the piston rod of the cylinder of the material shifting frame driving device 66 extends forwards, and the corresponding part of the material is wound around the lifting platform 62-1 and is put on the lifting platform 62-1, so that material collection is completed. When all the cloth on the lifting platform 62-1 is taken away, the lifting platform 62-1 is lifted upwards to reset under the action of the main shaft lifting plate spring.

Referring to fig. 1 to 8 and 19 to 23, the trimming assembly 7 includes a stationary trimming blade 71, a movable trimming blade 72, a trimming blade drive assembly 73, a trimming blade holder 74, and a trimming assembly cover 75. The trimming blade holder 74 is shaped like a U with an opening to the left, and the trimming blade holder 74 is fixedly arranged at the second suction pipe hole 14-21 of the trimming moving plate 14-2 of the trimming table assembly 14. The fixed trimming blade 71 is fixedly disposed on the inner side of the front end of the trimming blade holder 74 above the second suction pipe hole 14-21 by the corresponding fixed trimming blade holder 71 a. The left part of the movable trimming knife 72 is shaped like a C with an opening rightward, the front side surface of the movable trimming knife 72 and the upper side surface of the fixed trimming knife 71 form a shearing mechanism, and the upper part of the C of the sheared cloth passive trimming knife 72 hooks downwards. The deburring tool driving assembly 73 comprises a deburring tool driving motor 73-1, a deburring tool eccentric wheel 73-2, a deburring tool driving arm 73-3, a deburring tool swinging arm 73-4, a deburring tool swinging shaft 73-5, a movable deburring tool holder 73-6 and a movable deburring tool jacking spring 73-7. The deburring blade drive motor 73-1 is fixedly provided on the upper rear left portion of the deburring moving plate 14-2 by its motor housing through a corresponding mount, with its motor shaft extending forward. The trimming blade eccentric wheel 73-2 is fixedly arranged on the motor shaft of the trimming blade driving motor 73-1. The trimming cutter eccentric wheel 73-2 is in transmission connection with the trimming cutter driving arm 73-3 through a corresponding bearing. The right end of the trimming blade driving arm 73-3 is hinged with the upper end of the trimming blade swinging arm 73-4. The trimming blade swinging shaft 73-5 is rotatably provided in the front-rear direction on both front and rear arms of the U-shape of the trimming blade holder 74. The rear end extends rearwardly beyond the trimming blade seat 74. The lower end of the trimming blade swing arm 73-4 is fixedly connected to the rear end of the trimming blade swing shaft 73-5. The movable trimming blade 72 is fixedly arranged on the left end of the front side of the movable trimming blade holder 73-6, and the movable trimming blade holder 73-6 is fixedly arranged on the trimming blade swinging shaft 73-5 and is positioned on the rear side of the fixed trimming blade holder 71 a. The movable trimming blade jacking spring 73-7 is arranged on the trimming blade swinging shaft 73-5, the rear part of the movable trimming blade jacking spring is propped against the front side of the U-shaped rear arm of the trimming blade seat 74, and the front part of the movable trimming blade jacking spring is propped against the retaining ring fixedly arranged on the trimming blade swinging shaft 73-5, so that the movable trimming blade jacking spring 73-7 enables the trimming blade swinging shaft 73-5 to be in a always forward state, the movable trimming blade 72 is kept to be always and well attached to the fixed trimming blade 71 forwards, good contact is kept, and a shearing effect is ensured. The trimming member cover 75 is hinged to the trimming moving plate 14-2 and can be opened or closed, and covers the trimming member 7 from above after closing. On the one hand, the dust-proof and dust-proof waste recycling device can protect the waste materials, and on the other hand, the sheared waste materials cannot fly everywhere, and can be recycled by the waste recycling device 8.

Referring to fig. 1 to 8, 24 and 25, the waste recycling device 8 includes a cartridge 81, a cap 82, a pipe connection pipe 83, a reset cover assembly 84 and a suction fan. The barrel cover 82 is screwed and hermetically connected to the barrel 81. The two material pipe connection pipes 83 are sequentially and fixedly arranged on the right part of the barrel cover 82 from front to back. The two pipe connection pipes 83 are divided into a front pipe connection pipe 83a and a rear pipe connection pipe 83b according to the difference of the front and rear positions thereof. The material pipe connection pipe 83 communicates the inside and outside of the tub cover 82.

The number of the reset cover assemblies 84 is the same as the number of the material pipe connecting pipes 83, and two sets of reset cover assemblies 84 are used in the embodiment. The two sets of reset cover plate assemblies 84 are fixedly arranged on the lower ends of the two material pipe connecting pipes 83 respectively and are used for sealing the lower ends of the material pipe connecting pipes 83. The reset cover assembly 84 includes a reset cover 84-1, a cover mount 84-2, and a cover reset torsion spring 84-3. The cover mounting seat 84-2 is fixedly provided on the lower end of the pipe connecting pipe 83. The reset cover 84-1 is rotatably connected to the cover mounting base 84-2 through a cover mounting shaft 84-4 fixedly arranged on the cover mounting base 84-2, a cover reset torsion spring 84-3 is sleeved on the cover mounting shaft 84-4, one end of the cover reset torsion spring 84-3 is fixedly connected to the cover mounting base 84-2, the other end is arranged on the lower side of the reset cover 84-1, and the cover reset torsion spring 84-3 enables the reset cover 84-1 to be covered on the lower end of the material pipe connecting pipe 83 upwards, so that the lower end of the material pipe connecting pipe 83 is sealed.

The suction fan is fixedly arranged on the lower side (inner side) of the barrel cover 82 and is positioned in the charging barrel 81, a filter screen assembly 85 is arranged at an air outlet of the suction fan, and the filter screen assembly 85 is detachably and fixedly connected to the barrel cover 82. A handle 86 is arranged in the middle of the upper side of the barrel cover 82.

When the waste recycling device 8 is used, the upper ends of the material pipe connecting pipes 83 are communicated with the discharge ports of the corresponding material suction pipes in a sealing manner, and the material inlet at the other ends of the material suction pipes sequentially passes through the first material suction pipe holes 14-11 of the trimming mounting plate 14-1 and the second material suction pipe holes 14-21 of the trimming moving plate 14-2 upwards and then are fixedly connected to the trimming tool apron 74 of the trimming assembly 7, so as to collect cloth waste cut by the trimming assembly 7. The suction fan of the waste recycling device 8 is turned on, the suction fan pumps out the gas in the charging barrel 81 and discharges the gas after filtering by the filter screen assembly 85, the pressure in the charging barrel 81 is reduced due to the fact that the gas in the charging barrel 81 is pumped out, the reset cover plate 84-1 is opened downwards, air at the feeding port of the suction pipe is sucked into the charging barrel 81, and meanwhile, the cloth waste cut by the trimming assembly 7 is sucked into the charging barrel 81.

The knitting tiling roll lower hem machine of the invention is used: the cloth to be hemmed and sewn is placed on the right part of the feeding synchronous belt 13-2 of the conveying assembly 13 of the workbench assembly 1, and the rear part of the cloth is limited and positioned through the limiting plate 15. The cloth is driven by the feeding synchronous belt 13-2 to move from right to left. When the rear burrs of the cloth pass through the trimming assembly 7, the movable trimming blade 72 and the fixed trimming blade 71 of the trimmed assembly 7 are cut in order, and the cut burrs waste is sucked into the cylinder 81 by the waste recycling device 8 through the suction pipe. When the cut cloth continues to move leftwards, the cloth at the part needing to be folded outside the rear part of the folding platen 3-21 is enabled to droop in front of the folding guide inclined plane 3-51 of the folding platen 3-5 under the action of gravity and the action of the second air blowing pipe 3-62 when the rear part passes through the hemming assembly 3, the cloth continues to move leftwards until the folding guide inclined plane 3-51 intersects with the upper folding platen 3-21 in the upper and lower directions, the drooping cloth is slowly folded forwards by the folding platen 3-5 and the rear part of the folding platen 3-21 is wrapped, and when the cloth comes out from the left part of the folding platen 3-21, the rear part of the cloth is folded forwards from the lower direction, so that hemming is completed. The rear part of the cloth is sewn and fixedly connected by a sewing machine 21 after hemming. After the sewing is completed, the thread is cut by the thread cutting device 4. The sewn cloth is received by a corresponding left receiving device or front receiving device. The left receiving device is used for receiving the material that the length of sleeves, cuff cloth pieces and the like in the front-back direction is smaller than the front-back width of the bedplate. The front material receiving device is used for receiving large-body cloth and the like with long length in the front-back direction and longer cloth of the bedplate.

The above embodiments are only for illustrating the present invention, but not for limiting the present invention, and various changes and modifications can be made by those skilled in the relevant art without departing from the spirit and scope of the invention, and the specific application process can be modified according to the teachings of the above embodiments, so that all equivalent technical solutions shall fall within the scope of the invention.

Claims

1. The utility model provides a knitting tiling rolls up lower hem machine which characterized in that: comprises a workbench component, a sewing component and a hemming component; the workbench assembly comprises a frame, a bedplate and a conveying assembly; the bedplate is fixedly arranged on the frame, and a mounting notch is formed in the middle of the rear part of the bedplate; the conveying component is arranged on the frame and used for conveying cloth; the sewing component comprises a sewing machine, wherein the front part of the sewing machine is positioned in the left part of the mounting notch of the bedplate and is used for sewing and fixing the rolled edges of the cloth; the hemming assembly comprises a hemming mounting seat, a hemming platen assembly, a second upper adjusting pressing plate and a material folding plate; the flanging bedplate component comprises a flanging bedplate; the hemming mounting seat is fixedly arranged on the frame and positioned in the middle of the mounting notch of the bedplate; the second upper adjusting pressing plate is fixedly arranged on the hemming mounting seat and is positioned on the upper side of the rear part of the hemming platen; the position of the second upper adjusting pressing plate in the up-down direction can be adjusted, and the second upper adjusting pressing plate is used for keeping the corresponding cloth flat; the hemming platen can be adjusted and arranged on the hemming mounting seat back and forth; the material folding plate is horizontally and fixedly arranged on the hemming mounting seat along the left-right direction, is positioned at the lower side of the hemming platen, the corresponding part is positioned below the hemming platen, the front side of the material folding plate is provided with a hemming guide inclined plane, the hemming guide inclined plane is arranged in a way that the right part is forwards, and the left part is obliquely arranged backwards and is used for wrapping the part of the cloth to be hemmed with the hemming on the rear part of the hemming platen.

2. The knitted tile roll-up pendulum machine of claim 1, wherein: the hemming platen assembly of the hemming assembly further comprises a hemming platen mounting seat, a hemming platen adjusting screw, a hemming platen adjusting hand wheel, a hemming platen guide rod and a fixed handle; the folding table plate is fixedly arranged on the folding table plate mounting seat; the edge folding table guide rod is fixedly arranged on the edge folding installation seat along the front-back direction, and the position of the edge folding table guide rod in the up-down direction can be adjusted; the rear part of the flanging table adjusting screw is rotatably arranged on the flanging mounting seat, and the flanging table adjusting screw and the flanging table guide rod are mutually parallel; the position of the flanging table adjusting screw in the up-down direction can be adjusted; the folding table mounting seat is arranged on the folding table guide rod in a sliding manner along the front-back direction, the front part of the folding table adjusting screw rod is screwed on the folding table mounting seat, and the folding table adjusting hand wheel is fixedly connected to the rear end of the folding table adjusting screw rod in a transmission manner, so that the folding table adjusting screw rod is rotated by rotating the folding table adjusting hand wheel to adjust the position of the folding table mounting seat in the front-back direction; the upper screw rod of the fixed handle passes through the corresponding waist round hole arranged along the front and back direction on the hemming mounting seat and then is screwed on the hemming platen mounting seat, so that the hemming platen mounting seat is fixed at the corresponding position through the fixed handle.

3. The knitted tile roll-up pendulum machine of claim 2, wherein: the hemming assembly further comprises a first upper adjusting pressing plate, an air blowing assembly and a transition platen; the transition bedplate is fixedly arranged on the bedplate, and the rear part of the transition bedplate is positioned at the lower side of the front part of the flanging bedplate;

The first upper adjusting pressing plate is fixedly arranged on the hemming mounting seat, and the position of the first upper adjusting pressing plate in the up-down direction can be adjusted; the first upper adjusting pressing plate is positioned on the upper side of the front part of the flanging platen; the rear side of the second upper adjusting pressing plate is provided with an inclined plane, the right part of the inclined plane is backwards, and the left part of the inclined plane is forwards inclined; the blowing assembly comprises a first blowing pipe, a second blowing pipe, a third blowing pipe, a fourth blowing pipe and a fifth blowing pipe; the first air blowing pipe is arranged above the right part of the second upper adjusting pressing plate and blows air between the second upper adjusting pressing plate and the flanging platen to the left; the second air blowing pipe is arranged along the inclined plane of the second upper adjusting pressing plate and blows downwards to enable the corresponding part of the cloth to be attached to the flanging platen; the third air blowing pipe is arranged on the lower side of the middle part of the material folding plate and blows forward; the fourth air blowing pipe is arranged at the left side of the second upper adjusting pressing plate and faces to the left Fang Chuiqi; the fifth air blowing pipe is arranged on the upper left side of the material folding plate and blows forward.

4. The knitted tile roll-up pendulum machine of claim 1, wherein: the device also comprises a wire cutting device; the thread cutting device comprises a thread cutting device mounting seat, a first movable cutter, a first fixed cutter, a first cutter driving component and a first cutter compacting component; the thread cutting device mounting seat is fixedly arranged on the left part of the front part of the sewing machine and positioned at the left side of a needle of the sewing machine; the first fixed cutter is fixedly arranged on the front part of the right part of the installation seat of the thread cutting device along the front-back direction; the first cutter driving assembly drives the first movable cutter and the first fixed cutter to form a shearing mechanism; the first cutter compacting component is used for enabling the first movable cutter to be in close contact with the first fixed cutter.

5. A knitted tile roll up and down machine according to one of claims 1 to 4, characterized in that: the trimming assembly is also included; the workbench assembly further comprises an trimming table assembly;

The trimming table assembly comprises a trimming mounting plate, a trimming moving table guide assembly, a trimming moving table adjusting assembly, a trimming moving table positioning assembly, a trimming table transition plate and a trimming table plate; the trimming mounting plate is fixedly arranged on the frame and positioned below the right part of the mounting notch of the bedplate; the trimming moving plate is arranged on the trimming mounting plate in a sliding manner along the front-back direction through a trimming moving table guide assembly; the trimming moving table adjusting assembly is used for adjusting the trimming moving plate to move back and forth, and the trimming moving table positioning assembly is used for fixedly positioning the trimming moving plate at an adjusted position; the trimming table transition plate is fixedly arranged on the front part of the right part of the mounting notch of the bedplate; the trimming platen is fixedly arranged on the trimming moving plate, the upper surface of the trimming platen is leveled with the upper surface of the platen, and the corresponding part of the front part of the trimming platen is positioned above the trimming platen transition plate;

The trimming assembly comprises a fixed trimming cutter, a movable trimming cutter, a trimming cutter driving assembly and a trimming cutter seat; the trimming blade holder is U-shaped with an opening left, and is fixedly arranged on a trimming moving plate of the trimming table assembly; the fixed trimming knife is fixedly arranged on the inner side of the front end head of the trimming knife holder through a corresponding fixed trimming knife holder; the left part of the movable trimming knife is in a C shape with an opening to the right, and a shearing mechanism is formed by the front side surface of the movable trimming knife and the upper side surface of the fixed trimming knife; the trimming blade driving assembly comprises a trimming blade driving motor, a trimming blade eccentric wheel, a trimming blade driving arm, a trimming blade swinging shaft, a movable trimming blade holder and a movable trimming blade tightening spring; the motor shell of the trimming knife driving motor is fixedly arranged on the left part of the upper rear part of the trimming moving plate through a corresponding mounting seat, and the motor shaft of the trimming knife driving motor extends forwards; the trimming cutter eccentric wheel is fixedly arranged on a motor shaft of the trimming cutter driving motor; the trimming cutter eccentric wheel is in transmission connection with the trimming cutter driving arm through a corresponding bearing; the right end of the trimming cutter driving arm is hinged with the upper end of the trimming cutter swinging arm; the trimming knife swinging shaft is rotationally arranged on the front and rear arms of the U shape of the trimming knife seat along the front and rear directions; the rear end extends out of the trimming tool apron backwards; the lower end of the trimming knife swinging arm is fixedly connected to the rear end of the trimming knife swinging shaft; the movable trimming knife is fixedly arranged on the left end of the front side of the movable trimming knife holder, and the movable trimming knife holder is fixedly arranged on the swinging shaft of the trimming knife and is positioned at the rear side of the fixed trimming knife holder; the movable trimming knife jacking spring is arranged on the trimming knife swinging shaft, the rear part of the movable trimming knife jacking spring is propped against the front side of the U-shaped rear arm of the trimming knife holder, and the front part of the movable trimming knife jacking spring is propped against the retaining ring fixedly arranged on the trimming knife swinging shaft.

6. The knitted tile roll-up pendulum machine of claim 5, wherein: the trimming table assembly of the workbench assembly further comprises a trimming table upper pressing plate; an adjusting nut is arranged at the lower part of the right side of the trimming mounting plate, and the axis of the adjusting nut is horizontally arranged along the front and back directions; the left side and the right side of the trimming mounting plate are respectively provided with an adjusting groove penetrating through the left side and the right side of the trimming mounting plate; the adjusting groove is arranged along the front and back directions; the trimming moving table guide assembly comprises 2 linear guide rails, and the 2 linear guide rails are fixedly arranged on the front part and the rear part of the upper side of the trimming mounting plate along the front-rear direction respectively by the guide rails of the guide rails; the trimming moving plate is fixedly arranged on the sliding blocks of the 2 linear guide rails; the trimming moving table adjusting assembly comprises a trimming table adjusting screw and a trimming table adjusting hand wheel; the trimming table adjusting screw is arranged along the front-back direction, and the rear part of the trimming table adjusting screw is rotationally arranged on the right side of the trimming mounting plate through a corresponding bearing and a bearing seat; an adjusting nut on the trimming mounting plate is screwed on an adjusting screw rod of the trimming table; the trimming table adjusting handwheel is arranged at the rear end of the trimming table adjusting screw in a transmission way, and the trimming table adjusting screw is rotated by rotating the trimming table adjusting handwheel; the trimming moving table positioning assembly is provided with 2 groups, and the 2 groups of trimming moving table positioning assemblies have the same structure and comprise locking screws, locking handwheels and supporting sleeves; the locking screw is sequentially provided with a screw part and a compression part from top to bottom; the diameter of the screw rod part corresponds to the width of the adjusting groove of the trimming mounting plate; the diameter of the pressing part is larger than the width of the regulating groove; the locking hand wheel is arranged at the lower end of the compression part of the locking screw in a transmission way, and the locking screw is rotated by rotating the locking hand wheel; the locking screw rod is screwed on the trimming moving plate after penetrating through the adjusting groove on the corresponding side of the trimming mounting plate from the upper screw rod part, and the corresponding part of the upper end of the lower pressing part of the locking screw rod is fixedly propped on the lower side of the trimming mounting plate from bottom to top, so that the trimming moving plate is positioned on the trimming mounting plate; the supporting sleeve is arranged on the screw part of the locking screw in a sliding way and is positioned between the trimming mounting plate and the trimming moving plate; the upper pressing plate of the trimming table is fixedly arranged on the trimming moving plate and is positioned above the trimming table plate, and the position of the upper pressing plate of the trimming table in the up-down direction is adjustable.

7. The knitted tile roll-up pendulum machine of claim 5, wherein: the device also comprises a waste recycling device; the middle part of the trimming mounting plate of the trimming table assembly of the workbench assembly is provided with a first material suction pipe hole penetrating through the middle part; the middle part of the trimming moving plate is provided with a second material sucking pipe hole penetrating through the trimming moving plate from top to bottom; the trimming knife seat is fixedly arranged at a second material suction pipe hole of the trimming moving plate of the trimming table assembly;

The waste recycling device comprises a charging barrel, a barrel cover, a material pipe connecting pipe, a reset cover plate assembly and a material suction fan; the barrel cover is screwed and hermetically connected to the barrel; the material pipe connecting pipe is fixedly arranged on the right part of the barrel cover; the material pipe connecting pipe is communicated with the inside and the outside of the barrel cover; the material sucking fan is fixedly arranged on the lower side of the barrel cover and positioned in the barrel, a filter screen component is arranged at an air outlet of the material sucking fan, and the filter screen component is detachably and fixedly connected to the barrel cover; the reset cover plate assembly comprises a reset cover plate, a cover plate mounting seat and a cover plate reset torsion spring; the cover plate mounting seat is fixedly arranged at the lower end of the material pipe connecting pipe; the reset cover plate is rotationally connected to the cover plate mounting seat through a cover plate mounting shaft fixedly arranged on the cover plate mounting seat, a cover plate reset torsion spring is sleeved on the cover plate mounting shaft, one end of the cover plate reset torsion spring is fixedly connected to the cover plate mounting seat, the other end of the cover plate reset torsion spring is arranged on the lower side of the reset cover plate, the cover plate reset torsion spring enables the reset cover plate to cover the lower end of the material pipe connecting pipe upwards, and the lower end of the material pipe connecting pipe is sealed; when the suction fan works, the reset cover plate is opened downwards.

8. A knitted tile roll up and down machine according to one of claims 1 to 4, characterized in that: the left receiving device is also included; the left receiving device comprises a left receiving installation frame, a left lifting platform, a receiving first guide component, a left platform reset component and a left receiving overturning component; the left lifting platform is arranged on the left receiving installation frame in a sliding way along the up-down direction through the receiving first guide component; the left lifting platform descends under the gravity action of cloth, and the cloth is moved upwards to reset through the left platform resetting component after being taken down; the left material receiving and overturning assembly comprises a material receiving overturning frame and an overturning frame driving device; the material receiving overturning frame is rotatably arranged on the upper part of the right part of the left material receiving installation frame from the right part of the material receiving overturning frame; the roll-over stand driving device drives the material receiving roll-over stand to roll over from a horizontal state to a vertical state or from the vertical state to the horizontal state.

9. A knitted tile roll up and down machine according to one of claims 1 to 4, characterized in that: the front side material receiving device is also included; the workbench assembly further comprises a material receiving guide plate; the material receiving guide plate is fixedly arranged on the front part of the upper left side of the bedplate; the upper surface of the material receiving guide plate is level with the upper surface of the bedplate, the right part of the material receiving guide plate is provided with a guide inclined plane, and the guide inclined plane is obliquely arranged from the right part to the back and from the left part to the front; the front receiving device comprises a front receiving mounting frame, a front lifting platform assembly, a clamping frame driving device, a shifting frame and a shifting frame driving device; the front lifting platform assembly comprises a lifting platform, a front platform resetting assembly, a front platform guiding assembly and a damping adjusting assembly; the lifting platform is arranged on the upper part of the front receiving installation frame in a sliding way through the front platform guide assembly; the damping adjusting component is used for adjusting the resistance to be overcome when the lifting platform descends, and the front side platform resetting component is used for enabling the lifting platform to move upwards and backwards for resetting;

The clamping frame is T-shaped and comprises an upper cross rod and a vertical telescopic rod; the upper cross rod is welded and fixed on the upper end of the vertical telescopic rod along the left-right direction, and the length of the vertical telescopic rod can be adjusted in a telescopic way; the lower end of the vertical telescopic rod is hinged to the front receiving mounting frame; the clamping frame driving device drives the clamping frame to swing back and forth; the material shifting frame comprises a swing mounting arm and a material shifting rod; the lower end of the swing installation arm is hinged on the front left part of the front receiving installation frame; the material stirring rod is in an inverted L shape, the left part of the material stirring rod is fixedly connected with the swing mounting arm, and the position of the material stirring rod in the upper and lower directions can be adjusted; the material shifting frame driving device drives the material shifting frame to swing back and forth.

10. A knitted tile roll up and down machine according to one of claims 1 to 4, characterized in that: the conveying assembly of the workbench assembly comprises a main driving motor, a group of feeding synchronous belts and a group of feeding guide rods; a group of feeding synchronous belts are sequentially arranged around corresponding parts of the bedplate through corresponding synchronous pulleys from front to back; the main driving motor drives the synchronous belt wheels to rotate through the driving shafts, so that each feeding synchronous belt rotates for feeding; the feeding guide rods are respectively arranged between two adjacent feeding synchronous belts and are fixedly arranged on the bedplate along the left-right direction.