CN115432516B - Winding machine - Google Patents

Abstract

The invention discloses a winding machine, which comprises a spinning mechanism, a rotary conveying mechanism and a cutting mechanism, wherein the spinning mechanism is positioned right above the rotary conveying mechanism, a plurality of silk threads are synchronously sprayed on the rotary conveying mechanism by the spinning mechanism, the rotary conveying mechanism can rotate to form a tubular filter element, the tubular filter element formed by winding can be intermittently conveyed to the cutting mechanism along the axial direction of the tubular filter element, and the cutting mechanism cuts off the conveyed filter element with an integral structure. The winding machine allows the continuous production of filter elements and the cutting into individual filter elements. The winding machine can continuously process the filter element, realizes intermittent conveying to the filter element of the whole structure, and improves conveying precision.

Description

a winding machine

technical field

The invention relates to the technical field of filter element processing equipment, in particular to a winding machine.

Background technique

The filter element is the core component of the purifier, and the melt-blown filter element is a new type of ultra-fine fiber filtration product, which can be widely used in water treatment or air purification equipment in petrochemical, automobile, food, electronics and other industries. The melt-blown filter element is a tubular filter element made of non-toxic and tasteless polypropylene particles, which are heated and melted, sprayed, drawn, and formed.

The manufacture of melt-blown filter elements requires the help of a winding machine. The winding machine is mainly composed of a spinneret, a receiving mandrel and a driving mechanism. When the horizontally arranged spinneret sprays a row of ultra-fine wires to the receiving mandrel, the rotating receiving The mandrel is gradually wound to form a cylindrical filter element. However, how to continuously process the filter element, accurately transport it to the cutting mechanism, and continuously process the filter element has become a problem to be solved.

Contents of the invention

In order to overcome the above disadvantages, the purpose of the invention is to provide a winding machine that can continuously process the filter element, realize intermittent delivery of the overall structure of the filter element, and improve the delivery accuracy.

In order to achieve the above object, the technical solution adopted in the invention is: a winding machine, including a spinning mechanism, a rotary conveying mechanism and a cutting mechanism, the rotary conveying mechanism can rotate to form a tubular filter core from the filaments sprayed by the spinning mechanism, so The rotating conveying mechanism can intermittently convey the formed filter core to the cutting mechanism along its axial direction, wherein the rotating conveying mechanism includes:

A winding shaft, the winding shaft is located below the spinning mechanism and can be driven by a correspondingly arranged rotary drive device to rotate along its own axis;

A conveying shaft, the conveying shaft is installed in the winding shaft and arranged coaxially with the winding shaft, the two ends of the conveying shaft extend out of the winding shaft, the conveying shaft can reciprocate along the axis of the winding shaft, and the conveying shaft The shaft can be rotated along its own axis driven by a correspondingly arranged rotary drive device, and the delivery shaft includes an expansion part located between the winding shaft and the cutting mechanism;

When the delivery shaft moves toward the cutting mechanism, the expansion part can expand radially and the expanded diameter is not smaller than the diameter of the winding shaft; when the delivery shaft moves away from the cutting mechanism, the expansion part contracts to a diameter smaller than that of the winding shaft; the speeds of the winding shaft and the delivery shaft are different.

The beneficial effect of the invention is that: in the initial position, the expansion part does not expand, and the diameter is smaller than the diameter of the winding shaft. When the expansion part radially expands, the filter core can be propped up from the inside of the filter core. At this time, the delivery shaft is facing the cutting mechanism along the axis relative to the winding shaft Move the propped up filter element towards the cutting mechanism; after moving to the limit position, the expansion part shrinks to a diameter smaller than the winding shaft, the expansion part releases the filter element, and the conveying shaft moves toward the side away from the cutting mechanism along the axis relative to the winding shaft, and returns to the To the initial position, reciprocating in this way, the intermittent delivery of the filter element of the overall structure is realized. The coaxial structure of the conveying shaft and the winding shaft improves the conveying accuracy and stability while meeting the requirements of filter element conveying. In particular, the difference in rotation speed between the conveying shaft and the winding shaft can be used to quickly rotate and separate the filter element from the winding shaft, preventing the filter element from adhering to the winding shaft.

Furthermore, the conveying shaft also includes an air delivery shaft coaxial with the expansion part and connected to it, the air delivery shaft penetrates the winding shaft and both ends pass through the winding shaft, and the expansion part is arranged near the air delivery shaft Cut off one end of the mechanism, the expansion part is an air expansion shaft, the air supply shaft delivers gas to the air expansion shaft, and the air expansion shaft expands and contracts radially. The air supply shaft is provided with a gas channel with openings at both ends along its axial direction. When the gas channel introduces gas into the air shaft, the shaft key of the air shaft moves radially to protrude from the body of the air shaft, realizing the diameter of the entire air shaft. When the air shaft is deflated, the shaft key of the air shaft moves radially and retracts into the body of the air shaft to realize the radial contraction of the air shaft.

Further, the conveying shaft reciprocates along the axis of the winding shaft driven by a linear drive assembly, the linear drive assembly includes a linear cylinder and a slider, and the linear cylinder can drive the slider to reciprocate along a straight line. The end of the delivery shaft away from the cutting mechanism is connected with the slide block and can move synchronously with the slide block.

Furthermore, a clamping seat is provided on the slider, and a rotary joint is clamped on the clamping seat, and the end of the delivery shaft is connected to the rotary joint in rotation. Since the delivery shaft is rotating, a rotary joint is used to connect the delivery shaft of the delivery shaft to ensure that when the rotary joint remains stationary, the delivery shaft can rotate without causing interference to the air supply pipe. The seat pushes the conveying shaft to move in the axial direction.

Further, a material guide assembly is also provided between the winding shaft and the cutting mechanism, and the material guide assembly includes a vertical plate, and a through hole for the conveying shaft to pass through is opened on the vertical plate, and the through hole The diameter is greater than the outer diameter of the filter core, and the side of the vertical plate near the winding shaft is provided with a guide roller group, and the guide roller group includes four guide rollers parallel to the axis of the winding shaft, and the four guide rollers The rotation connection is outside the through hole, and the material guide roller can abut against the outer wall of the filter core. The material guide assembly guides the axial movement of the conveying shaft and improves the stability of the filter element conveying.

Further, the rotary driving device includes a driving wheel, a driven wheel and a synchronous belt sleeved between the two in a closed-loop structure. The driving wheel is driven to rotate by the corresponding rotary driving member, and the driven wheel covers Connected to the outside of the air supply shaft of the corresponding winding shaft or conveying shaft, the winding shaft and conveying shaft rotate synchronously with the corresponding driven wheels. The inner wall of the driven wheel is provided with a groove along the axial direction, and the outer wall of the winding shaft and the air supply shaft corresponding to the driven wheel is provided with a convex line that matches the groove. The convex line is embedded in the groove, and the winding shaft can be driven by the driven wheel. and the air supply shaft rotates, and at the same time the air supply shaft moves along the driven wheel in the axial direction.

Further, the cutting mechanism includes a material guide device and a cutting device, the rotary conveying mechanism transports the filter core to the material guide device, and the material guide device guides the filter core and can unload the cut filter core, so The cutting device cuts the filter core on the material guide device, and the cutting device only cuts when the conveying shaft moves away from the cutting mechanism. When the conveying shaft moves away from the cutting mechanism, the filter element will not move axially. At this time, the filter element is cut to ensure that the cutting surface is a vertical surface.

Further, the material guide device includes driving rollers and driven rollers located at the same height, parallel and spaced apart, the axes of the driving rollers and the driven rollers are parallel to the axis of the conveying shaft, and the driving rollers and the driven rollers are All the rollers can rotate along their own axes, and the distance between the driving roller and the driven roller can be adjusted under the action of the distance adjusting component. The filter element conveyed by the conveying shaft moves to the top of the driving roller and the driven roller and is located between them. The filter element touches the driving roller and the driven roller, and the filter element, the driving roller and the driven roller are tangent. The distance between the driven rollers is smaller than the diameter of the filter element, and the filter element can be transmitted between the driving roller and the driven roller. When the distance between the driving roller and the driven roller is greater than the diameter of the filter element when the distance is adjusted by the distance adjustment component, the filter element can fall from between the driving roller and the driven roller.

Further, the drive roller rotates in the same direction as the winding shaft driven by the driving assembly, and the rotation speed of the driving roller and the winding shaft are the same. In order to ensure that when cutting, the filter element can be kept in sync with the rotary conveying mechanism, so that after the cutting tool moves down to the position, the filter element can rotate smoothly for one circle to complete the cutting of the filter element.

Further, the cutting device includes a cutting knife located directly above the material guide device, the cutting knife can be driven to rotate by the cutting drive, and can be raised and lowered by the lifting drive.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the embodiment of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of a rotary conveying mechanism in an embodiment of the present invention;

Fig. 3 is another perspective perspective structural schematic diagram of the rotary conveying mechanism in the embodiment of the present invention;

Fig. 4 is a partial enlarged view of A place in Fig. 2;

Fig. 5 is a top view of the rotary conveying mechanism in the embodiment of the present invention;

Fig. 6 is the sectional view of line A-A among Fig. 5;

Fig. 7 is a three-dimensional structural schematic diagram of a cutting mechanism in an embodiment of the present invention;

Fig. 8 is a schematic structural view of a material guide assembly in an embodiment of the present invention;

Fig. 9 is a schematic structural diagram of the assembled state of the winding shaft and the conveying shaft in the embodiment of the present invention.

In the picture:

100, working table; 200, spinning mechanism; 300, rotary conveying mechanism; 400, cutting mechanism; 500, filter element;

1. Winding shaft; 2. Conveying shaft; 21. Expansion section; 22. Air supply shaft; 31. First rotary drive device; 32. Second rotary drive device; 4. Rotary joint; 5. Linear drive assembly; 51. Slider Block; 511, the second bearing seat; 512, the clamping seat; 6, the guide assembly; 61, the vertical plate; 611, the through hole; 62, the guide roller group; 7, the cooling device; 11, the first bearing seat;

8. Material guide device; 81. Driving roller; 811. Driving component; 82. Driven roller; 821. Distance adjustment component; 9. Cutting device; 91. Cutting tool; 92. Cutting drive; 93. Lifting drive; 10. Blanking board.

Detailed ways

The preferred embodiments of the invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, so as to define the protection scope of the invention more clearly.

Referring to shown in accompanying drawing 1, a kind of winding machine of the present invention comprises spinning mechanism 200, rotary conveying mechanism 300 and cutting mechanism 400, and spinning mechanism 200 is positioned at the top of rotating conveying mechanism 300, and spinning mechanism 200 will a plurality of filaments Synchronous spraying on the rotary conveying mechanism 300, the rotary conveying mechanism 300 can rotate to form a tubular filter core 500, and can intermittently transport the coiled filter core 500 to the cutting mechanism 400 along its axial direction, and the cutting mechanism 400 The integral structure of the filter element 500 is cut. The winding machine can continuously produce filter elements 500 and cut them into individual filter elements 500 . The rotary conveying mechanism 300 and the cutting mechanism 400 are jointly arranged on a worktable 100 .

Referring to Figure 2 and Figure 3 , the rotary conveying mechanism 300 includes a winding shaft 1 and a conveying shaft 2 coaxially penetrating inside the winding shaft 1 , and both ends of the conveying shaft 2 extend out of the winding shaft 1 . The conveying shaft 2 can move back and forth along the axis of the winding shaft 1, and the winding shaft 1 and the conveying shaft 2 can rotate around their own axes under the drive of a correspondingly provided rotary drive device. The delivery shaft 2 includes an expansion portion 21 located between the winding shaft 1 and the cutting mechanism 400 , the expansion portion 21 can produce radial expansion and the expanded diameter is not smaller than the diameter of the winding shaft 1 .

The spinning mechanism 200 sprays the thread onto the winding shaft 1 , and a tubular filter element 500 is formed thereon due to the rotation of the winding shaft 1 . At the initial position, the expansion part 21 is not expanded, and its diameter is smaller than the diameter of the winding shaft 1. When the expansion part 21 expands radially, it can prop up the filter element 500 from the inside of the filter element 500. At this time, the delivery shaft 2 is cut off along the axial direction relative to the winding shaft 1. The mechanism 400 moves to move the supported filter element 500 towards the cutting mechanism 400; after moving to the limit position, the expansion part 21 shrinks to a diameter smaller than the winding shaft 1, and the expansion part 21 releases the filter element 500, and the delivery shaft 2 is along the axis relative to the winding shaft 1 Move toward the side away from the cutting mechanism 400 and return to the initial position. The cutting mechanism 400 only cuts the filter element 500 when the conveying shaft 2 is reset. Reciprocating in this way realizes intermittent delivery to the filter element 500 of the integral structure.

In one embodiment, the rotation speeds of the winding shaft 1 and the conveying shaft 2 are different, that is, the winding shaft 1 and the conveying shaft 2 have a speed difference when rotating. The setting of the speed difference can quickly separate the filter element 500 from the winding shaft 1, avoiding the filter element 500 from adhering to the winding shaft 1, facilitating the delivery of the filter element 500 by the conveying shaft 2, and avoiding the blockage of the filter element 500.

The filaments sprayed by the spinning mechanism 200 form the filter element 500 on the winding shaft 1 , and at the beginning, the end of the formed filter element 500 is manually moved to the outside of the expansion part 21 . In the continuous operation of the next winding machine, a certain speed difference is set between the winding shaft 1 and the conveying shaft 2, so that when the expansion part 21 props up the filter core 500 from the inside, a part of the filter core 500 is sleeved outside the winding shaft 1, and a part Sleeved outside the expansion part 21, due to the different rotation speeds of the expansion part 21 (delivery shaft 2) and the winding shaft 1, the filter element 500 can be quickly rotated and separated from the winding shaft 1 to prevent the filter element 500 from adhering to the winding shaft 1.

Referring to accompanying drawing 5, accompanying drawing 6 and shown in accompanying drawing 9, conveying shaft 2 comprises air delivery shaft 22 and expansion part 21, and air delivery shaft 22 and expansion part 21 are arranged coaxially, and expansion part 21 is an air expansion shaft, and air delivery shaft 22. The air is delivered to the air shaft to allow the air shaft to complete radial expansion and contraction.

The air supply shaft 22 is installed in the winding shaft 1 and both ends pass through the winding shaft 1 . The air supply shaft 22 is provided with a gas channel with an open end along its axial direction. The air shaft is arranged at the end of the air supply shaft 22 close to the cutting mechanism 400, and the air shaft communicates with the gas channel. When the gas channel introduces gas into the air shaft, the shaft key of the air shaft moves radially to protrude from the body of the air shaft , to realize the radial expansion of the entire air shaft, when the air shaft is deflated, the shaft key of the air shaft moves radially and retracts into the body of the air shaft to realize the radial contraction of the air shaft.

In one embodiment, as shown in FIG. 4 and FIG. 9 , a rotary joint 4 is provided at the opening of the other end of the air supply shaft 22 , and the rotary joint 4 is connected with an air supply pipe. Because the air supply shaft 22 is rotating, the air supply pipe is connected by a rotary joint 4 to ensure that the air supply shaft 22 can rotate when the rotary joint 4 remains stationary without causing interference to the air supply pipe.

In one embodiment, as shown in FIGS. 2-4 , the rotating drive device for driving the winding shaft 1 is a first rotating driving device 31 , and the rotating driving device for driving the conveying shaft 2 is a second rotating driving device 32 . The first rotary driving device 31 and the second rotary driving device 32 have the same structure, and both include a driving wheel, a driven wheel and a closed-loop synchronous belt sleeved between the two. Wherein the driving wheel rotates under the drive of the corresponding rotary driving member, and the driven wheel is sleeved outside the air supply shaft 22 of the corresponding winding shaft 1 and the conveying shaft 2 . The rotating driving part is fixed on the workbench 100, drives the driving wheel to rotate, and synchronously drives the driven wheel to rotate synchronously. When the driven wheel rotates, it can drive the corresponding winding shaft 1 and conveying shaft 2 to rotate.

The inner wall of the driven wheel is provided with a groove in the axial direction, and the outer wall of the winding shaft 1 and the air supply shaft 22 corresponding to the driven wheel is provided with a convex line that matches the groove. The convex line is embedded in the groove and can be driven by the driven wheel. The winding shaft 1 and the air supply shaft 22 rotate, and at the same time the air supply shaft 22 moves along the driven wheel in the axial direction.

In one embodiment, the rotating drive member is a motor, and the rotation speed of the winding shaft 1 and the delivery shaft 2 can be controlled by adjusting the rotation speed of the motor to ensure that there is a speed difference between the winding shaft 1 and the delivery shaft 2 .

Referring to the accompanying drawings 2-4, the workbench 100 is also provided with a first bearing seat 11 corresponding to the winding shaft 1 and the conveying shaft 2. The first bearing seat 11 is arranged on the workbench 100 close to the position of the rotary drive device, and the winding The shaft 1 and the delivery shaft 2 pass through the corresponding first bearing housing 11 and are connected with the driven wheel.

The conveying shaft 2 reciprocates along the axis of the winding shaft 1 driven by the linear drive assembly 5. In one embodiment, the linear drive assembly 5 includes a linear cylinder and a slider 51. The linear cylinder is fixed on the workbench 100, and the linear cylinder can drive The slider 51 reciprocates linearly along the worktable 100 , and the slider 51 is arranged at the end of the conveying shaft 2 away from the cutting mechanism 400 . One end of the delivery shaft 2 is connected with the slider 51 and can move synchronously with the slider 51 .

In another embodiment, the linear drive assembly 5 can also be a screw, a motor and a slider 51 , the motor is fixed on the table 100 to drive the screw to rotate, and the slider 51 is screwed to the screw. The linear drive assembly 5 only needs to include a sliding block 51 capable of reciprocating linear movement, and the driving member for driving the sliding block 51 to move can be selected according to actual needs.

Referring to accompanying drawings 4 and 6, since the delivery shaft 2 can rotate, but the slider 51 does not, a second bearing seat 511 is provided on the slider 51, and the air delivery shaft 22 of the delivery shaft 2 passes through the first Two bearing seats 511. A clamping seat 512 is also provided on the slider 51 , and the rotary joint 4 is clamped in the clamping seat 512 to be fixed. The rotary joint 4 is fixed in the clamping seat 512 and will not move or rotate relative to the clamping seat 512. When the slider 51 slides, the rotary joint 4 is pushed to move along a straight line, and the conveying shaft 2 fixedly connected to the rotary joint 4 will also move along the straight line. Its axis moves. At the same time, due to the driving of the second rotary driving device 32 , the conveying shaft 2 also rotates during the linear movement.

In one embodiment, in order to provide guidance for the axial movement of the delivery shaft 2 and improve the stability of the delivery of the filter element 500, a material guide assembly 6 is also provided, and the material guide assembly 6 is located between the winding shaft 1 and the cutting mechanism 400 , to guide the filter element 500 and the conveying shaft 2 in the axial direction.

Referring to Figure 8, the guide assembly includes a vertical plate 61, the vertical plate 61 is fixed on the workbench 100, the vertical plate 61 is provided with a through hole 611 for the conveying shaft 2 to pass through, and the diameter of the through hole 611 is larger than that of the filter element 500. Outer diameter, the filter element 500 formed by winding can pass through the through hole 611 and be transported to the cutting device 9 .

The guide assembly also includes a set of guide rollers 62 arranged on one side of the vertical plate 61 close to the winding shaft 1, the set of guide rollers 62 includes four guide rollers parallel to the axis of the winding shaft 1, and the four guide rollers are rotatably connected to Outside the through hole 611 , four material guide rollers form a square distribution, and the material guide rollers can abut against the outer wall of the filter element 500 .

Referring to FIG. 2 , a cooling device 7 is also provided between the guide assembly and the cutting mechanism 400 , and the cooling device 7 is used to cool down the filter element 500 conveyed by the conveying shaft 2 .

In one embodiment, at least one cooling device 7 is provided and located on one side of the conveying shaft 2 . In this embodiment, one cooling device 7 is provided, and in some embodiments, two cooling devices 7 can also be provided, which are respectively located on both sides of the conveying shaft 2 to cool the filter element 500 from both sides to improve the cooling effect.

The cooling device 7 includes a cooling spray head, the spray head of the cooling spray head faces the conveying shaft 2 , and the cooling spray head can spray cold air toward the filter element 500 on the conveying shaft 2 to achieve cooling effect. The cooling spray head is fixed on the stand, and the stand is fixed on the workbench 100, and the stand can adjust the spraying angle of the cooling spray head.

The spinning mechanism 200 is located directly above the winding shaft 1 between the first bearing seat 11 and the material guide assembly 6, and a spinneret area is formed between the first bearing seat 11 and the material guide assembly 6, and there is no interference in the spinneret area. A filter element 500 is formed. At the same time, in order to improve the molding efficiency of the filter element 500, heating holes are arranged in an array on the workbench 100 located in the spinneret area to heat the spinneret area.

7, the cutting mechanism 400 includes a material guiding device 8 and a cutting device 9, and the rotary conveying mechanism 300 transports the filter core 500 to the material guiding device 8, and the material guiding device 8 guides the filter core 500 and can cut off the filter core 500 for blanking. The cutting device 9 cuts off the filter element 500 on the material guide device 8 .

The material guiding device 8 comprises driving rollers 81 and driven rollers 82 positioned at the same height, parallel and spaced apart, the axes of the driving rollers 81 and the driven rollers 82 are parallel to the axis of the conveying shaft 2, and the driving rollers 81 and the driven rollers 82 are both Can rotate on its own axis. Both ends of the driving roller 81 and the driven roller 82 are provided with bearing frames fixed on the workbench 100 , and the driving roller 81 and the driven roller 82 are rotatably connected between the two correspondingly arranged bearing frames. The filter element 500 conveyed by the conveying shaft 2 moves to the top of the driving roller 81 and the driven roller 82 and is located between the two. The filter element 500 abuts against the driving roller 81 and the driven roller 82. The driven roller 82 is tangential. Since the conveying shaft 2 conveys the filter element 500 intermittently, the filter element 500 can move axially between the driving roller 81 and the driven roller 82 .

The cutting device 9 includes a cutting knife 91 located directly above the material guide device 8 , the cutting knife 91 can rotate under the driving of the cutting driving part 92 , and can be raised and lowered under the driving of the cutting driving part 92 . During cutting, the lifting driver 93 drives the cutting knife 91 to move down to approach the filter element 500 on the material guide device 8 , and the cutting knife 91 rotates to complete the cutting of the filter element 500 .

The cutting tool 91 only cuts when the expansion portion 21 of the delivery shaft 2 shrinks and moves away from the cutting mechanism. At this time, the delivery shaft 2 does not transport the filter core 500, and the filter core 500 only rotates without axial movement. Therefore, the filter core 500 The cutting line on is a vertical plane without offset.

In one embodiment, during the cutting process of the filter element 500, the cutting tool 91 will press down on the surface of the filter element 500. In order to keep the filter element 500 here synchronized with the rotary conveying mechanism 300, the driving roller 81 is driven by the drive assembly 811. Rotating in the same direction as the winding shaft 1, the driving roller 81 and the winding shaft 1 have the same rotational speed. In this way, after the cutting tool 91 moves down to the position, the filter core 500 can rotate one circle smoothly, and the cutting of the filter core 500 is completed.

The driving assembly 811 comprises a driving wheel, a driven wheel and a synchronous belt surrounded by a closed-loop arrangement between the two. The driving wheel rotates under the drive of a motor fixed on the workbench 100, and one end of the driving roller 81 passes through the bearing frame and the driven wheel Fixed connection.

Cutting device 9 is arranged on the side of material guide device 8 close to rotary conveying mechanism 300, and comprises the frame that is erected on the material guide device 8, and lifting driver 93 is fixed on the frame and can drive lifting plate lifting, and cutting driver 92 It is fixed on the lifting plate and can drive the cutting knife 91 to rotate, and the cutting knife 91 is arranged vertically to the axis of the filter element 500 .

In one embodiment, the distance between the driving roller 81 and the driven roller 82 is adjustable, the driving roller 81 is fixed, the driven roller 82 can approach or move away from the driving roller 81 driven by the distance adjustment assembly 821, and the driven roller The moving direction of 82 is perpendicular to the conveying direction of filter element 500 . When the distance between the driving roller 81 and the driven roller 82 is less than the diameter of the filter core 500, the filter core 500 can be transmitted between the driving roller 81 and the driven roller 82, and the distance adjustment assembly 821 drives the driven roller 82 to move until the driving roller When the distance between the driving roller 81 and the driven roller 82 is greater than the diameter of the filter core 500, the filter core 500 can fall from between the driving roller 81 and the driven roller 82.

The side of the guide device 8 away from the rotary conveying device is also provided with a blanking plate 10 below it. When a section of filter element 500 after cutting reaches the top of the blanking plate 10, the driven roller 82 is far away from the driving roller 81, and the filter element 500 falls on the blanking plate 10 under the action of gravity. The blanking plate 10 is arranged obliquely and fixed on the lower end surface of the workbench 100. The workbench 100 is provided with a blanking port corresponding to the position of the blanking plate 10. The filter element 500 falls from the blanking port to the blanking plate 10. The plate 10 slides out of the winding machine on the ramp.

The distance adjustment assembly 821 includes a distance adjustment driver, which is fixed on the workbench 100, and the distance adjustment driver is connected with the bearing frame on one side of the driven roller 82. The bearing frame slides on the slide rail. The adjustment driving member is an air cylinder, and when the air cylinder expands and contracts, the driven roller 82 is driven to move.

In one embodiment, the spinning mechanism 200 includes a plurality of spinning nozzles located directly above the winding shaft 1 , and a plurality of spinning nozzles are distributed in the spinning array, and the filaments are sprayed toward the winding shaft 1 synchronously.

The specific working process of this embodiment is as follows: the winding shaft 1 and the delivery shaft 2 rotate under the corresponding rotary drive device, the expansion part 21 of the delivery shaft 2 does not expand radially at the beginning, and the spinning mechanism 200 sprays silk toward the winding shaft 1 , as the winding shaft 1 is rotating, a tubular filter element 500 will be formed thereon. At the beginning, the spray-formed filter element 500 is manually fitted on the expansion part 21 . Then the air supply shaft 22 supplies air toward the expansion part 21, and the expansion part 21 produces radial expansion, propping up the filter element 500 from the inside of the filter element 500, and the linear drive assembly 5 drives the expansion part 21 to move toward the cutting mechanism along the axis. During this process, the expansion part 21 Different from the rotation speed of the winding shaft 1 , the filter element 500 can be quickly rotated and separated from the winding shaft 1 to prevent the filter element 500 from adhering to the winding shaft 1 . Then the expansion part 21 shrinks, and then resets under the drive of the linear drive assembly 5 , so reciprocating, the integrated filter element 500 is continuously transported towards the cutting mechanism.

The filter element 500 moves between the driving roller 81 and the driven roller 82 under the push of the conveying shaft 2. When cutting is required, the lifting driver 93 drives the cutting knife 91 to move down, and the cutting knife 91 rotates under the driving of the cutting driver 92. Since the filter element 500 continues to rotate under the drive of the winding shaft 1 and the driving roller 81, the cutting is completed when it rotates one turn. When the cut filter element 500 reaches the top of the blanking plate 10, the distance adjustment assembly 821 drives the driven roller 82 away from the driving roller 81, and the filter element 500 falls from between the driving roller 81 and the driven roller 82 on the blanking plate 10, and the process is completed. cutting.

The above embodiments are only to illustrate the technical concept and characteristics of the invention. The purpose is to let people familiar with this technology understand the content of the invention and implement it. It does not limit the scope of protection of the invention. Any effect change or modification shall be covered within the scope of protection of the invention.

Claims (8)

1. a winding machine, comprising a spinning mechanism, a rotary conveying mechanism and a cutting mechanism, characterized in that: the rotary conveying mechanism can rotate to form a tubular filter core with the silk thread sprayed by the spinning mechanism, and the rotating conveying mechanism can The formed filter element is intermittently conveyed to the cutting mechanism along its axial direction, wherein the rotary conveying mechanism includes: A winding shaft, the winding shaft is located below the spinning mechanism and can be driven by a correspondingly arranged rotary drive device to rotate along its own axis; A conveying shaft, the conveying shaft is installed in the winding shaft and arranged coaxially with the winding shaft, the two ends of the conveying shaft extend out of the winding shaft, the conveying shaft can reciprocate along the axis of the winding shaft, and the conveying shaft The shaft can be rotated along its own axis driven by a correspondingly arranged rotary drive device, and the delivery shaft includes an expansion part located between the winding shaft and the cutting mechanism; When the delivery shaft moves toward the cutting mechanism, the expansion part can expand radially and the expanded diameter is not smaller than the diameter of the winding shaft; when the delivery shaft moves away from the cutting mechanism, the expansion part contracts The diameter is smaller than the winding shaft; the rotating speed of the winding shaft and the conveying shaft are different; The cutting mechanism includes a material guide device, and the rotary conveying mechanism transports the filter core to the material guide device, and the material guide device guides the filter core and can unload the cut filter core. The material guide device includes a High, parallel and spaced driving rollers and driven rollers, the axes of the driving rollers and the driven rollers are parallel to the axis of the conveying shaft, the driving rollers and the driven rollers can rotate along their own axes, and the driving rollers The distance between the roller and the driven roller can be adjusted under the action of the distance adjusting component. The driving roller is driven by the driving component to rotate in the same direction as the winding shaft, and the rotating speed of the driving roller and the winding shaft are the same. 2. The winding machine according to claim 1, characterized in that: the conveying shaft also includes an air supply shaft coaxial with the expansion part and conducting, the air supply shaft is installed in the winding shaft and both ends pass through The winding shaft, the expansion part is arranged at the end of the air delivery shaft close to the cutting mechanism, the expansion part is an air expansion shaft, the air delivery shaft transports the gas to the air expansion shaft, and the air expansion shaft performs radial expansion and shrink. 3. The winding machine according to claim 1, characterized in that: the conveying shaft reciprocates along the axis of the winding shaft driven by a linear drive assembly, the linear drive assembly includes a linear cylinder and a slider, and the linear cylinder The sliding block can be driven to reciprocate along a straight line, and the end of the conveying shaft away from the cutting mechanism is connected with the sliding block and can move synchronously with the sliding block. 4. The winding machine according to claim 3, characterized in that: the slider is provided with a clamping seat, the clamping seat is clamped with a rotary joint, and the end of the delivery shaft is connected to the rotary joint Turn to connect. 5. The winding machine according to claim 1, characterized in that: a material guide assembly is also provided between the winding shaft and the cutting mechanism, the material guide assembly includes a vertical plate, and the vertical plate is opened for conveying The through hole through which the shaft passes, the diameter of the through hole is larger than the outer diameter of the filter core, and the side of the vertical plate near the winding shaft is provided with a guide roller group, and the guide roller group includes four shafts parallel to the axis of the winding shaft. four guide rollers, the four guide rollers are rotatably connected to the outside of the through hole, and the guide rollers can abut against the outer wall of the filter core. 6. The winding machine according to claim 2, characterized in that: said rotary driving device comprises a driving wheel, a driven wheel and a synchronous belt which is sleeved between the two and is a closed-loop structure, and said driving wheel is in a corresponding Driven by the rotating drive member, the winding shaft and the delivery shaft are fitted with corresponding driven wheels, and the winding shaft and the delivery shaft rotate synchronously with the corresponding driven wheels. 7. The winding machine according to any one of claims 1-6, characterized in that: the cutting mechanism also includes a cutting device, the cutting device cuts off the filter core on the material guide device, and the cutting device only Cutting occurs when the conveying shaft moves away from the cutting mechanism. 8. The winding machine according to claim 7, characterized in that: the cutting device includes a cutting knife positioned directly above the material guide device, the cutting knife can be driven by the cutting drive to rotate, and driven by the lifting drive down lift.

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