CN112220143A - Automatic drawing equipment for leather drawing - Google Patents
Automatic drawing equipment for leather drawing Download PDFInfo
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- CN112220143A CN112220143A CN202010905612.0A CN202010905612A CN112220143A CN 112220143 A CN112220143 A CN 112220143A CN 202010905612 A CN202010905612 A CN 202010905612A CN 112220143 A CN112220143 A CN 112220143A
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- leather
- pen
- automatic
- guide
- workbench
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- 239000010985 leather Substances 0.000 title claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 127
- 238000003825 pressing Methods 0.000 claims description 61
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 11
- 238000010422 painting Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000002649 leather substitute Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H41/00—Machines or appliances for making garments from natural or artificial fur
- A41H41/005—Machines or appliances for making garments from artificial fur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses automatic drawing equipment for leather drawing, which comprises a drawing table and an automatic pen changing mechanism. The automatic pen changing mechanism is matched with the ejector block through the drawing pen arranged in the rotating body, automatic changing of the drawing pen is achieved, the position of the drawing pen in a changed use state is kept unchanged, and origin repositioning is not needed. The elastic mechanism is matched with the mounting hole through threads, so that the rapid disassembly and assembly are realized. Go up the lid and pass through the set screw and be connected the casing fixed, realize going up lid quick assembly disassembly and quick installation drawing pen, fix a position through unthreaded hole and screw simultaneously, guarantee to go up the lid and be connected the casing relative position unchangeable.
Description
Technical Field
The invention relates to the field of leather product manufacturing, in particular to automatic drawing equipment for leather drawing.
Background
After the artificial leather is produced into a roll shape, the artificial leather is sold to leather manufacturers for production and manufacturing; in the production process, the leather needs to be drawn out and flattened and then cut patterns are drawn on the leather, but wrinkles may occur in the manual flattening process, and the leather may be accidentally displaced in the drawing process of the patterns, and at this time, the leather needs to be readjusted to determine the origin again. In the manufacturing process of the leather product, patterns are firstly drawn on the surface of the leather product to facilitate later cutting; it can be known that after the drawing pen is used for a period of time, the ink in the drawing pen is used up, and the drawing pen cannot be used continuously, so that an automatic pen changing mechanism needs to be designed, and the pen can be automatically changed after the drawing length is set; if the pen is replaced manually, the drawing length of the drawing pen cannot be determined manually, and the drawing pen cannot be replaced in time, so that the drawing quality of the surface of part of leather is improved.
Disclosure of Invention
Aiming at overcoming the defects in the prior art, the invention mainly aims to overcome the defects in the prior art and discloses automatic drawing equipment for leather drawing, which comprises a drawing table and an automatic pen replacing mechanism, wherein the drawing table comprises a workbench, a two-shaft synchronous belt sliding table, a lifting mechanism, a discharging mechanism, a pressing mechanism, a leveling mechanism and a driving mechanism, an opening allowing leather to pass through is formed in the workbench, the discharging mechanism is arranged at one end of the workbench and used for erecting rolled leather, the pressing mechanism is arranged on the lower surface of the workbench and used for pressing one end of the leather, the leveling mechanism is arranged on the workbench in a sliding mode and used for driving the leveling mechanism to move back and forth; the two-shaft synchronous belt sliding table is arranged on the workbench, the lifting mechanism is arranged on the two-shaft synchronous belt sliding table, the lifting mechanism is driven to move in a horizontal plane by the two-shaft synchronous belt sliding table, the automatic pen changing mechanism is arranged on the lifting mechanism, and the lifting mechanism is used for driving the automatic pen changing mechanism to vertically move;
the automatic pen replacing mechanism comprises a connecting shell, an actuator, an upper cover body, a rotating body and an elastic mechanism, wherein the connecting shell is connected with a mechanical arm, a mounting cavity is arranged in the connecting shell, the rotating body is rotatably arranged in the mounting cavity, the lower end of the rotating body protrudes out of the connecting shell, a plurality of mounting holes for mounting a painting pen are arranged on the rotating body at equal intervals around the rotating center of the rotating body, the elastic mechanism is arranged in the mounting holes, the painting pen is pushed to move upwards by the elastic mechanism so that a pen point is hidden in the mounting holes, the upper end of the painting pen point protrudes out of the mounting holes, the upper cover body is detachably connected with the connecting shell, a top block is arranged on the lower surface of the upper cover body in a protruding mode, the position of the top block corresponds to the mounting holes, and guide parts connected with the upper cover body are arranged, the actuator is arranged on the upper cover body and is detachably connected with the rotating body, and the rotating body is driven to rotate by the actuator.
Furthermore, the leveling mechanism comprises a gantry, first guide rods, a moving plate, an electric cylinder, a pressing wheel, a guide wheel, a first pressing plate, a spring and a leveling shell, wherein the first guide rods are respectively arranged at two sides of the workbench, the gantry is arranged on the first guide rods, first guide grooves are vertically arranged on the inner walls at two sides of the gantry, two ends of the moving plate are slidably arranged in the first guide grooves, the electric cylinder is arranged on the gantry, and the moving plate is driven to move up and down by the electric cylinder; a plurality of second guide rods are arranged on the upper surface of the leveling shell at intervals, guide holes corresponding to the second guide rods are formed in the movable plate, the second guide rods are arranged in the guide holes in a sliding mode, and the spring is sleeved on the second guide rods and located between the movable plate and the leveling shell; the lower surface of the leveling shell is concavely provided with a negative pressure cavity, the side wall of the leveling shell is provided with an interface connected with a negative pressure generator, the pressing wheels are arranged at the lower ends of the left side wall and the right side wall of the leveling shell in a rolling mode, the guide wheels are arranged in the negative pressure cavity in a rolling mode and located between the two pressing wheels, and the first pressing plate is arranged on one side, close to the opening, of the movable plate.
Further, the driving mechanism comprises a servo motor, a first lead screw and a moving block, the first lead screw is rotatably arranged at the bottom of the workbench and is parallel to the first guide rod, the moving block is connected to the first lead screw and is connected with the gantry, and the servo motor is used for driving the moving block to move so as to drive the leveling mechanism to move.
Furthermore, the pressing mechanism comprises a pressing cylinder, a second pressing plate and rollers, the lower surface of the workbench is provided with a concave fence in a downward protruding mode around the opening, the inner sides of the two side walls of the fence are provided with second guide grooves, the two ends of the second pressing plate are arranged in the second guide grooves in a sliding mode, and the pressing cylinder is fixed on the lower surface of the workbench to drive the second pressing plate to horizontally reciprocate; the lower end of the second pressing plate and the upper right corner of the opening are provided with the roller.
Further, drop feed mechanism sets up including the symmetry lifting mechanism on two feet of workstation, lifting mechanism includes swing arm, support cylinder and back shaft, the one end of swing arm with the one end of support cylinder sets up respectively in the upper end and the lower extreme of a foot, and the other end of swing arm with the other end of support cylinder is articulated, set up in the swing arm and place the notch of back shaft, the back shaft is used for installing roll-like leather, and its both ends install in the notch.
Furthermore, the lifting mechanism comprises a base, a third guide rod, a stepping motor, a lifting block and a second screw rod, the third guide rod and the second screw rod are parallel and vertically arranged on the base, the lifting block is arranged on the third guide rod and the second screw rod, and the stepping motor is used for driving the lifting block to vertically move.
Furthermore, the lateral wall of connecting the casing equidistant sets up at least three unthreaded hole, and what correspond sets up the screw on the lateral wall of last lid, the set screw passes the unthreaded hole with screw thread fit.
Further, the elastic mechanism comprises an adjusting shell, an adjusting ring and an adjusting spring, wherein one end of the adjusting shell is provided with a through hole for allowing the front end of the drawing pen to pass through, the adjusting ring is provided with a through hole for installing the drawing pen, and the adjusting spring and the adjusting ring are arranged in the adjusting shell.
Further, the inner wall of the lower end of the mounting hole is provided with an internal thread, the outer wall of the adjusting shell is provided with an external thread, and the adjusting shell is in threaded fit with the mounting hole.
Furthermore, the rotation center of the rotation body is provided with a square concave hole, and the connecting shaft of the actuator is provided with a convex block matched with the concave hole.
The invention has the following beneficial effects:
the drawing table skillfully utilizes a negative pressure suction method, realizes the flattening of leather by matching with the pressing wheel and the roller, realizes automatic drawing by matching with the two-shaft synchronous belt sliding table and the lifting mechanism, and greatly improves the drawing efficiency. The discharging mechanism is composed of two lifting mechanisms which are symmetrically arranged, so that the rolled leather can be freely moved to the position between the lifting mechanisms, and the rolled leather is convenient to install. The automatic pen changing mechanism is matched with the ejector block through the drawing pen arranged in the rotating body, automatic changing of the drawing pen is achieved, the position of the drawing pen in a changed use state is kept unchanged, and origin repositioning is not needed. The elastic mechanism is matched with the mounting hole through threads, so that the rapid disassembly and assembly are realized. Go up the lid and pass through the set screw and be connected the casing fixed, realize going up lid quick assembly disassembly and quick installation drawing pen, fix a position through unthreaded hole and screw simultaneously, guarantee to go up the lid and be connected the casing relative position unchangeable.
Drawings
FIG. 1 is a schematic perspective view of an automatic drawing apparatus for leather drawing according to the present invention;
FIG. 2 is a schematic perspective view of another perspective of an automatic drawing apparatus for leather drawing according to the present invention;
FIG. 3 is a schematic view of the leveling mechanism and the driving mechanism;
FIG. 4 is a cross-sectional view of the flattened housing;
FIG. 5 is a schematic structural view of the lifting mechanism;
FIG. 6 is a schematic perspective view of the automatic pen-changing mechanism;
FIG. 7 is a schematic view of a connection structure between the upper cover and the rotating body;
FIG. 8 is a schematic structural view of the upper cover;
FIG. 9 is a schematic structural view of a spring mechanism;
FIG. 10 is an exploded view of FIG. 9;
FIG. 11 is a schematic structural view of the rotating body;
the reference numbers are as follows:
1. a workbench, 2, a two-axis synchronous belt sliding table, 3, a lifting mechanism, 4, a discharging mechanism, 5, a pressing mechanism, 6, a leveling mechanism, 7, a driving mechanism, 8, an automatic pen changing mechanism, 9, a drawing pen, 11, an opening, 12, a fence, 13, a second guide groove, 14, a roller, 31, a base, 32, a third guide rod, 33, a stepping motor, 34, a lifting block, 35, a second lead screw, 41, a swing arm, 42, a supporting cylinder, 43, a supporting shaft, 51, a pressing cylinder, 52, a second pressing plate, 61, a gantry, 62, a first guide rod, 63, a moving plate, 64, an electric cylinder, 65, a pressing wheel, 66, a guide wheel, 67, a first pressing plate, 68, a spring, 69, a leveling shell, 71, a servo motor, 72, a first lead screw, 73, a moving block, 611, a first guide groove, 691, a second guide rod, 692, an interface, 81, a connecting shell, 82, an actuator, 83, a drawing, Go up lid, 84, rotation body, 85, elastic mechanism, 811, unthreaded hole, 812, set screw, 821, lug, 831, kicking block, 832, guide portion, 833, screw, 841, mounting hole, 842, shrinkage pool, 851, adjust the casing, 852, adjustable ring, 853, adjusting spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
An automatic drawing device for leather drawing is shown in figures 1-2 and comprises a drawing table and an automatic pen changing mechanism 2, wherein the drawing table 1 comprises a workbench 1, a two-shaft synchronous belt sliding table 2, a lifting mechanism 3, a discharging mechanism 4, a pressing mechanism 5, a leveling mechanism 6 and a driving mechanism 7, an opening 11 allowing leather to pass through is formed in the workbench 1, the discharging mechanism 4 is arranged at one end of the workbench 1 and used for erecting rolled leather, and the leather enters the opening 11 from the bottom of the workbench 1 and then is laid on the upper surface of the workbench 1. The pressing mechanism 5 is arranged on the lower surface of the workbench 1 and used for pressing leather, and the leather which is already paved on the upper surface of the workbench 1 is prevented from being influenced by the discharging mechanism 4 during drawing. The leveling mechanism 6 is arranged on the workbench 1 in a sliding manner, and the driving mechanism 7 is arranged on the workbench 1 to drive the leveling mechanism 6 to horizontally reciprocate; wherein, the leveling mechanism attracts the leather through negative pressure, and the driving mechanism 7 is utilized to move the leveling mechanism 6 to one side, thereby realizing the leveling of the leather. The two-shaft synchronous belt sliding table 2 is arranged on the workbench 1, the lifting mechanism 3 is arranged on the two-shaft synchronous belt sliding table 2, the automatic pen changing mechanism 8 is arranged on the lifting mechanism 3, and the automatic pen changing mechanism 8 is driven to move on the horizontal plane through the two-shaft synchronous belt sliding table 2; at the position where drawing is not needed, the automatic painting brush mechanism is lifted by the lifting mechanism 3 to be away from the leather; i.e. so that the drawing pen 9 is distanced from the leather.
As shown in fig. 6-11, the automatic pen-changing mechanism 8 includes a connecting housing 81, an actuator 82, an upper cover 83, a rotating body 84 and an elastic mechanism 85, wherein the connecting housing 81 is connected with a mechanical arm, and the mechanical arm is controlled to control the pen-changing mechanism to draw on leather. Set up the installation cavity in connecting the casing 81, it sets up in the installation cavity to rotate body 84, and the lower extreme of rotating body is outstanding in connecting the casing 81, it sets up a plurality of mounting hole 841 that is used for installing the drawing pen to rotate body 84 around its rotation center equidistant, set up elastic mechanism 85 in the mounting hole 841, utilize elastic mechanism 85 to promote the drawing pen to move upwards and make the nib hide in mounting hole 841 and the upper end salient in mounting hole 841, it is connected with connecting casing 81 to go up lid 83 can dismantle, the lower surface of going up lid 83 is protruding downwards and is set up kicking block 831, and the position corresponds with mounting hole 841, kicking block 831 both sides set up the guide portion 832 who is connected with last lid 83, actuator 82 sets up on last lid 83, and can dismantle with rotating body 84 and be connected, utilize actuator 82 drive to rotate body 84 and rotate. Assuming that the mounting holes 841 are provided in 6 pieces, that is, the angle of the interval between adjacent two mounting holes 841 is 60 °, the plotter pen 9 is pushed down by the top block 831 so that the pen tip of the plotter pen 9 protrudes from the lower end of the elastic mechanism 85; when the pen needs to be changed, the actuator 82 drives the rotating body 84 to rotate by 60 °, the current drawing pen 9 moves upward along the guide portion 832 under the restoring force of the elastic mechanism 85, the adjacent drawing pen 9 moves downward under the guide of the guide portion 832, and the adjacent drawing pen 9 is always attached to the top block 831 under the elastic mechanism 85. The automatic pen changing is realized through the steps.
Specifically, as shown in fig. 1 to 4, the leveling mechanism 6 includes a gantry 61, a first guide rod 62, a moving plate 63, an electric cylinder 64, a pressing wheel 65, a guide wheel 66, a first pressing plate 67, a spring 68 and a leveling housing 69, the first guide rod 62 is respectively disposed at two sides of the workbench 1, the gantry 61 is disposed on the first guide rod 62, first guide grooves 611 are vertically disposed on inner walls of two sides of the gantry 61, and two ends of the moving plate 63 are slidably disposed in the first guide grooves 611; an electric cylinder 64 is provided on an upper surface of the gantry 61, and is connected to the moving plate 63, and the moving plate 63 is driven to move vertically by the electric cylinder 64. A plurality of second guide rods 691 are arranged on the upper surface of the leveling shell 69 at intervals; generally, at least two second guide bars 91 are provided, and of course, the number of second guide bars 691 is increased according to the length of the leveling housing 69. A guide hole corresponding to the second guide rod 691 is formed in the moving plate 63, the second guide rod 691 is slidably arranged in the guide hole, and the spring 68 is sleeved on the second guide rod 691 and is positioned between the moving plate 63 and the leveling housing 69; a stopper is provided at the upper end of the second guide rod 691 to prevent the moving plate 63 from being separated from the leveling housing 69. The lower surface of the leveling housing 69 is concavely provided with a negative pressure cavity, the side wall of the leveling housing is provided with an interface 692 connected with a negative pressure generator, the pressing wheels 65 are arranged at the lower ends of the left side wall and the right side wall of the leveling housing 69 in a rolling manner, the guide wheels 66 are arranged in the negative pressure cavity in a rolling manner and are positioned between the two pressing wheels 65, and the first pressing plate 67 is arranged at one side of the movable plate 63 close to the opening 11. Preferably, the bottom of the first pressing plate 67 is provided with a pressing strip made of silica gel, or the bottom of the first pressing plate 67 is directly covered with a glue layer, so that the leather is protected from being crushed by using the toughness of the glue layer, and meanwhile, the friction force between the leather and the leather is increased.
The following describes how the leveling mechanism 6 levels the leather, and the desired leather is first pulled out from the opening 11 and then one end of the leather is fixed by the pressing mechanism 5. The pulled leather is laid on the workbench 1, the driving mechanism 7 drives the leveling mechanism 6 to move to the opening, the other end of the leather is lifted upwards obliquely towards one end by a worker, the leveling shell 69 is driven to move downwards through the electric cylinder 64, the leather is adsorbed on the pressing wheel 65 and the guide wheel 66 by using the pressure of the negative pressure cavity, then the leather is slightly lifted through the electric cylinder 64, the leveling mechanism 6 is pulled towards one end through the driving mechanism 7, and at the moment, the leather is tensioned and leveled by traction force. Then the electric cylinder 64 drives the leveling shell 69 to move downwards to press the leather on the workbench and then continuously move towards one side until one end is reached, the moving plate 63 is continuously driven to move downwards by the electric cylinder 64, and one end of the leather is pressed by the first pressing plate 67. The leather is flattened and compacted through the operation. Avoiding wrinkles during drawing.
In one embodiment, as shown in fig. 1 to 4, the driving mechanism 7 includes a servo motor 71, a first lead screw 72 and a moving block 73, the first lead screw 72 is rotatably disposed at the bottom of the worktable 1 and is parallel to the first guide rod 62, the moving block 73 is connected to the first lead screw 72 and is connected to the gantry 61, and the servo motor 71 is used to drive the moving block 73 to move so as to drive the leveling mechanism 6 to move.
In one embodiment, as shown in fig. 1-2, the pressing mechanism 5 includes a pressing cylinder 51 and a second pressing plate 52, the lower surface of the working platform 1 is provided with a concave-shaped rail 12 protruding downwards around the opening, the inner sides of the two side walls of the rail 12 are provided with second guide grooves 13, the two ends of the second pressing plate 52 are slidably arranged in the second guide grooves 13, the pressing cylinder 51 is fixed on the lower surface of the working platform 1 to drive the second pressing plate 52 to horizontally reciprocate, and the leather is pressed on the rail 12 through the second pressing plate 52. Preferably, the pressing plate 52 is covered with a glue layer, and the leather is protected from being crushed by using the toughness of the glue layer, and meanwhile, the friction force between the pressing plate and the leather is increased.
In one embodiment, as shown in fig. 1-2, the second pressing plate 51 further comprises a roller 14, and the roller 14 is arranged at the lower end of the second pressing plate and the upper right corner of the opening. The rollers 14 prevent the leather from being rubbed to cause surface scratching.
In one embodiment, as shown in fig. 1-2, the discharging mechanism 4 comprises a lifting mechanism symmetrically disposed on two legs of the working platform 1, the lifting mechanism comprises a swing arm 41, a support cylinder 42 and a support shaft 43, one end of the swing arm 41 and one end of the support cylinder 42 are respectively disposed at the upper end and the lower end of the legs, the other end of the swing arm 41 is hinged to the other end of the support cylinder 42, a notch for placing the support shaft 43 is disposed on the swing arm 41, the support shaft 43 is used for mounting the rolled leather, and two ends of the support shaft are mounted in the notch. When the supporting cylinder 42 is retracted, the swing arm 41 is rotated downward so that the notch is lowered to push the rolled leather between the two lifting mechanisms, the supporting shaft 43 is inserted into the center of the rolled leather, and both ends thereof are placed in the notch, the supporting cylinder 42 is driven to rotate the swing arm 41 upward, thereby lifting the rolled leather.
In one embodiment, as shown in fig. 5, the lifting mechanism 3 includes a base 31, a third guide rod 32, a stepping motor 33, a lifting block 34 and a second lead screw 35, the third guide rod 32 and the second lead screw 35 are disposed on the base 31 in parallel and vertically, the lifting block 34 is disposed on the third guide rod 32 and the second lead screw 35, and the stepping motor 33 is used to drive the lifting block 34 to move vertically.
To two hold-in range slip tables, it includes three hold-in range slip tables altogether, and two hold-in range slip tables symmetry set up, and both are connected through the connecting rod, through one of them hold-in range slip table motion of servo motor drive to drive another hold-in range slip table synchronous motion through the connecting rod, on the two hold-in range slip tables in the assumption of a hold-in range slip table and bottom, through its motion of independent servo motor drive, and then realize the removal on the horizontal direction. The structure of the two-shaft synchronous belt sliding table is the prior art, and redundant description is omitted here.
In one embodiment, as shown in fig. 6-11, at least three light holes 811 are disposed on the sidewall of the connecting housing 81 at equal intervals, correspondingly, screw holes 833 are disposed on the sidewall of the upper cover 83, and the fixing screws 812 pass through the light holes 811 and are screwed into the screw holes 833. Preferably, unthreaded hole 811 and screw 833 all set up four, and correspondingly, set screw 812 also sets up four, through four set screws, realize going up lid 83 and being connected the dismantlement of casing 81 and be connected, only need open last lid 83, can carry out the drawing pen 9 to changing in the mounting hole 31. And simultaneously, the relative position of the upper cover body 83 and the connecting shell 81 is ensured to be unchanged after the upper cover body is installed.
In one embodiment, as shown in fig. 6 to 11, the elastic mechanism 85 includes an adjustment housing 851, an adjustment ring 852, and an adjustment spring 853, the adjustment spring 853 and the adjustment ring 852 being provided in the adjustment housing 851 such that the adjustment ring 852 can move axially in the adjustment housing 851, one end of the adjustment housing 851 being provided with a through hole for allowing the front end of the plotter pen 9 to pass through, the adjustment ring 852 being provided with a through hole for mounting the plotter pen 9; the existing drawing pen 9 generally has a step structure, and the drawing pen 9 is clamped on the adjusting ring 852; the plotter pen 9 is pressed, the adjustment spring 853 is compressed, and the front end of the plotter pen 9 protrudes from the passage of the adjustment housing 851.
In one embodiment, as shown in fig. 6-11, the inner wall of the lower end of the mounting hole 841 is provided with internal threads, the outer wall of the adjustment housing 851 is provided with external threads, and the adjustment housing 851 is threadedly engaged with the mounting hole 841. Through the above structure, the elastic mechanism 85 is quickly disassembled and assembled.
In one embodiment, as shown in fig. 6-11, a square recess 842 is provided at the center of rotation of the rotating body 84, and a projection 821 matched with the recess 842 is provided at the connecting shaft of the actuator 82. The actuator 82 and the rotating body 84 can be quickly disassembled and assembled through the concave hole 842 and the convex block 821, and then the drawing pen 9 can be conveniently replaced.
In one embodiment, as shown in FIGS. 6-11, the actuator 82 is a servo motor.
In use, as shown in fig. 6-11, taking 6 mounting holes 841 as an example, the drawing pen 9 is inserted into the mounting holes 841 and clamped on the adjusting ring 852, and the mounting holes 841 are used as guide holes for the drawing pen 9. Then, the upper cover 83 is covered, the actuator 82 is connected with the rotating body 84, and the upper cover 83 is fixed with the connecting shell 81 through a fixing screw, so that the installation of the drawing pen 9 is completed; when the drawing pen 9 reaches the replacement standard, the actuator 82 drives the rotating body 84 to rotate by 60 degrees, so that the drawing pen 9 is replaced, and the position of the drawing pen 9 is ensured to be unchanged.
The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.
Claims (10)
1. The automatic drawing equipment for leather drawing is characterized by comprising a drawing table and an automatic pen replacing mechanism, wherein the drawing table comprises a workbench, a two-shaft synchronous belt sliding table, a lifting mechanism, a discharging mechanism, a pressing mechanism, a leveling mechanism and a driving mechanism, an opening allowing leather to pass through is formed in the workbench, the discharging mechanism is arranged at one end of the workbench and used for erecting rolled leather, the pressing mechanism is arranged on the lower surface of the workbench and used for pressing one end of the leather, the leveling mechanism is arranged on the workbench in a sliding mode and used for driving the leveling mechanism to move back and forth through the driving mechanism; the two-shaft synchronous belt sliding table is arranged on the workbench, the lifting mechanism is arranged on the two-shaft synchronous belt sliding table, the lifting mechanism is driven to move in a horizontal plane by the two-shaft synchronous belt sliding table, the automatic pen changing mechanism is arranged on the lifting mechanism, and the lifting mechanism is used for driving the automatic pen changing mechanism to vertically move;
the automatic pen replacing mechanism comprises a connecting shell, an actuator, an upper cover body, a rotating body and an elastic mechanism, wherein the connecting shell is connected with a mechanical arm, a mounting cavity is arranged in the connecting shell, the rotating body is rotatably arranged in the mounting cavity, the lower end of the rotating body protrudes out of the connecting shell, a plurality of mounting holes for mounting a painting pen are arranged on the rotating body at equal intervals around the rotating center of the rotating body, the elastic mechanism is arranged in the mounting holes, the painting pen is pushed to move upwards by the elastic mechanism so that a pen point is hidden in the mounting holes, the upper end of the painting pen point protrudes out of the mounting holes, the upper cover body is detachably connected with the connecting shell, a top block is arranged on the lower surface of the upper cover body in a protruding mode, the position of the top block corresponds to the mounting holes, and guide parts connected with the upper cover body are arranged, the actuator is arranged on the upper cover body and is detachably connected with the rotating body, and the rotating body is driven to rotate by the actuator.
2. The automatic drawing device for leather drawing according to claim 1, wherein the leveling mechanism comprises a gantry, a first guide rod, a moving plate, an electric cylinder, a pressing wheel, a guide wheel, a first pressing plate, a spring and a leveling shell, the first guide rod is respectively arranged on two sides of the workbench, the gantry is arranged on the first guide rod, first guide grooves are vertically arranged on inner walls of two sides of the gantry, two ends of the moving plate are slidably arranged in the first guide grooves, the electric cylinder is arranged on the gantry, and the moving plate is driven to move up and down by the electric cylinder; a plurality of second guide rods are arranged on the upper surface of the leveling shell at intervals, guide holes corresponding to the second guide rods are formed in the movable plate, the second guide rods are arranged in the guide holes in a sliding mode, and the spring is sleeved on the second guide rods and located between the movable plate and the leveling shell; the lower surface of the leveling shell is concavely provided with a negative pressure cavity, the side wall of the leveling shell is provided with an interface connected with a negative pressure generator, the pressing wheels are arranged at the lower ends of the left side wall and the right side wall of the leveling shell in a rolling mode, the guide wheels are arranged in the negative pressure cavity in a rolling mode and located between the two pressing wheels, and the first pressing plate is arranged on one side, close to the opening, of the movable plate.
3. The automatic drawing device for leather drawing according to claim 1, wherein the driving mechanism comprises a servo motor, a first lead screw and a moving block, the first lead screw is rotatably arranged at the bottom of the workbench and is parallel to the first guide rod, the moving block is connected to the first lead screw and is connected to the gantry, and the servo motor is used for driving the moving block to move so as to drive the leveling mechanism to move.
4. The automatic drawing device for leather drawing according to claim 1, wherein the pressing mechanism comprises a pressing cylinder, a second pressing plate and rollers, the lower surface of the workbench is provided with a concave fence protruding downwards around the opening, the inner sides of two side walls of the fence are provided with second guide grooves, two ends of the second pressing plate are slidably arranged in the second guide grooves, and the pressing cylinder is fixed on the lower surface of the workbench to drive the second pressing plate to horizontally reciprocate; the lower end of the second pressing plate and the upper right corner of the opening are provided with the roller.
5. The automatic drawing equipment for leather drawing of claim 1, wherein the discharging mechanism comprises a lifting mechanism symmetrically arranged on two table legs of the workbench, the lifting mechanism comprises a swing arm, a supporting cylinder and a supporting shaft, one end of the swing arm and one end of the supporting cylinder are respectively arranged at the upper end and the lower end of the table legs, the other end of the swing arm is hinged with the other end of the supporting cylinder, a notch for placing the supporting shaft is arranged on the swing arm, the supporting shaft is used for installing rolled leather, and the two ends of the supporting shaft are installed in the notch.
6. The automatic drawing device for leather drawing according to claim 1, wherein the lifting mechanism comprises a base, a third guide rod, a stepping motor, a lifting block and a second screw rod, the third guide rod and the second screw rod are arranged on the base in parallel and vertically, the lifting block is arranged on the third guide rod and the second screw rod, and the lifting block is driven to move vertically by the stepping motor.
7. The automatic drawing device for leather drawing according to claim 1, wherein at least three light holes are provided on the side wall of the connection housing at equal intervals, correspondingly, screw holes are provided on the side wall of the upper cover body, and fixing screws are threaded through the light holes and the screw holes.
8. The automatic drawing device for leather drawing according to claim 1, wherein said elastic mechanism comprises an adjusting housing, an adjusting ring and an adjusting spring, one end of said adjusting housing allows a through hole through which a front end of a drawing pen passes, said adjusting ring provides a through hole for mounting a drawing pen, said adjusting spring and said adjusting ring are provided in said adjusting housing.
9. The automatic drawing device for leather drawing according to claim 8, wherein the inner wall of the lower end of the mounting hole is provided with an internal thread, the outer wall of the adjusting housing is provided with an external thread, and the adjusting housing is in threaded fit with the mounting hole.
10. The automatic drawing equipment for leather drawing according to claim 1 wherein the rotation center of the rotation body is provided with a square concave hole, and the connection shaft of the actuator is provided with a projection engaged with the concave hole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010905612.0A CN112220143B (en) | 2020-09-01 | 2020-09-01 | Automatic drawing equipment for leather drawing |
| PCT/CN2020/113015 WO2022047663A1 (en) | 2020-09-01 | 2020-09-02 | Automatic drawing apparatus for leather drawing |
| DE212020000176.6U DE212020000176U1 (en) | 2020-09-01 | 2020-09-02 | Automatic drawing system for leather drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010905612.0A CN112220143B (en) | 2020-09-01 | 2020-09-01 | Automatic drawing equipment for leather drawing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112220143A true CN112220143A (en) | 2021-01-15 |
| CN112220143B CN112220143B (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010905612.0A Active CN112220143B (en) | 2020-09-01 | 2020-09-01 | Automatic drawing equipment for leather drawing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112220143B (en) |
| WO (1) | WO2022047663A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435018A (en) * | 2022-02-10 | 2022-05-06 | 湖南工业大学 | Oil painting making and displaying equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2022047663A1 (en) | 2022-03-10 |
| CN112220143B (en) | 2022-03-04 |
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Effective date of registration: 20240415 Address after: Room 101, No. 28, East Sixteen Lane, Yuanxing Street, Houjie Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Xiangrui Leather Goods Co.,Ltd. Country or region after: China Address before: 215400 west side of jinlang Shashi highway, Fuqiao Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: Taicang century port Garment Co.,Ltd. Country or region before: China |
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