Leather piece cutting device

Abstract

The utility model discloses a leather piece cutting device, relates to the leather piece cutting technical field, the leather piece cutting device comprises a base plate, a mobile control mechanism, a cutting assembly, a cutting positioning mechanism, an end clamping and blanking mechanism and a leather piece wind-up roller, the mobile control mechanism is arranged on one side above the base plate, the L-shaped vertical seat is arranged on the other side above the base plate, the cutting assembly is arranged on the mobile control mechanism, and the cutting positioning mechanism is arranged on the L-shaped vertical seat. A cutting positioning mechanism is arranged on the L-shaped vertical seat, an end clamping and discharging mechanism is arranged on the L-shaped vertical seat on one side far away from the leather piece winding roller, and the end clamping and discharging mechanism comprises an L-shaped supporting arm, a rotating plate and a pneumatic clamp; by arranging the cutting positioning mechanism, the two ends of the leather piece at the cutting position can be synchronously and stably fixed, and the end clamping and discharging mechanism can drag one end of the cut leather piece out of the clamping range of the cutting positioning mechanism in a rotating mode. And when the pneumatic clamp loosens clamping of one end of the cut leather piece, the cut leather piece falls off from the penetrating falling groove and is discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of leather cutting, in particular to a leather cutting device. Background Art

[0002] The leather cutting device is a tool specially used for cutting leather products such as cowhide. In the processing workshop of leather bags, the leather used as the shoulder strap of the bag is slender and is fixed by winding with a winding roller. When cutting, the leather is pulled out manually and then cut by a handheld cutting machine. In this process, there is a lack of positioning structure for the leather, which makes the cut end surface easy to be uneven and requires secondary trimming, which affects the cutting quality and efficiency. Some cutting devices with positioning structures lack a mechanism for automatically unloading the cut leather after cutting, which requires manual operation and low efficiency. Therefore, the utility model proposes a leather cutting device to solve the shortcomings of the prior art. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a leather cutting device, which can realize synchronous and stable fixation of the two ends of the leather at the cutting position by setting a cutting positioning mechanism, and the end clamping and unloading mechanism can realize pulling one end of the cut leather out from the clamping range of the cutting positioning mechanism in a rotating form, and when the pneumatic clamp releases the clamping of one end of the cut leather, the cut leather falls out from the through-drop groove.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A leather cutting device comprises a bottom plate, a moving control mechanism, a cutting assembly, a cutting positioning mechanism, an end clamping and unloading mechanism and a leather winding roller, wherein a moving control mechanism is provided on one side above the bottom plate, an L-shaped stand is provided on the other side above the bottom plate, a cutting assembly is provided on the moving control mechanism, a cutting positioning mechanism is provided on the L-shaped stand, a cutting groove is provided on the L-shaped stand at the position of the cutting positioning mechanism, the cutting positioning mechanism is adapted to the position of the cutting groove, a side plate is provided on one side of the L-shaped stand, a leather winding roller is rotatably provided above the side plate, and an end clamping and unloading mechanism is provided on the L-shaped stand away from the leather winding roller;

[0006] The end clamping and unloading mechanism includes an L-shaped support arm, a rotating plate and a pneumatic clamp. The L-shaped support arm is installed on one side wall of the L-shaped stand. A rotating plate is provided at the lower part of the inside of one side wall of the L-shaped stand for rotating through a rotating shaft. The rotating shaft is driven by a deflection motor. A pneumatic clamp is provided on the rotating plate. A through-drop groove is provided on the rotating plate between the two clamping plates of the pneumatic clamp.

[0007] Further improvement is that: the movement control mechanism includes a feed cylinder, a guide rail and a slide plate, a feed cylinder is provided on one side above the base plate, a guide rail is provided above the base plate on one side of the feed cylinder, a slide plate is slidably provided on the guide rail, the cutting assembly is arranged on the top of the slide plate, and the output end of the feed cylinder is connected to the slide plate.

[0008] A further improvement is that the cutting assembly includes a cutting support frame and a cutting wheel, the cutting support frame is installed on one side of the top of the skateboard, the cutting support frame is rotatably provided with a cutting wheel, and the cutting wheel is driven by a cutting motor.

[0009] A further improvement is that the cutting support frame includes a lifting base and a tool holder, the bottom of the lifting base is installed with the top of the slide, one side of the output end of the lifting base is provided with a tool holder, and the cutting wheel is rotatably installed on the tool holder.

[0010] Further improvements are: the cutting positioning mechanism includes an assembly plate, a positioning cylinder, a driving frame, a first positioning plate and a second positioning plate, an assembly plate is provided on the rear side of the L-shaped seat, a positioning cylinder is provided on the assembly plate, a driving frame is provided on the output end of the positioning cylinder, a sliding hole is provided on the front side of the L-shaped seat, the sliding holes are grouped in twos and two groups are provided, the rear sides of the first positioning plate and the second positioning plate are respectively slidably connected with the sliding holes in a group of two, and the rear sides of the first positioning plate and the second positioning plate are connected to the driving frame after passing through the sliding holes.

[0011] A further improvement is that a mounting shaft is symmetrically arranged above the side plate on one side of the leather winding roller, a rubber limiting guide roller is rotatably arranged on the upper end of the mounting shaft, and the midpoint between the two groups of rubber limiting guide rollers is on the same horizontal line as the midpoint of the drop groove.

[0012] The beneficial effects of the utility model are as follows: the utility model can realize synchronous and stable fixation of the two ends of the leather piece at the cutting position by arranging the cutting positioning mechanism, thereby ensuring that the leather piece will not move during the cutting process and thus affect the cutting quality; by arranging the end clamping and unloading mechanism, one end of the leather piece can be clamped, and the cut leather piece can be quickly unloaded after the cutting assembly cuts; during unloading, the deflection motor drives the rotating plate installed through the rotating shaft to deflect, so that one end of the cut leather piece can be pulled out from the clamping range of the cutting positioning mechanism in a rotating form; when the pneumatic clamp releases the clamping of one end of the cut leather piece, the cut leather piece falls out from the through-drop groove; the process has a high degree of automation and does not require manual unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0014] Figure 2It is a three-dimensional schematic diagram of the end clamping and feeding mechanism structure of the utility model.

[0015] Among them: 1. Bottom plate; 2. Movement control mechanism; 201. Feed cylinder; 202. Guide rail; 203. Slide plate; 3. Cutting assembly; 301. Cutting wheel; 302. Lifting base; 303. Knife holder; 4. Cutting positioning mechanism; 401. Assembly plate; 402. Positioning cylinder; 403. Drive frame; 404. First positioning plate; 405. Second positioning plate; 406. Slide hole; 5. Leather winding roller; 6. L-shaped stand; 7. Cutting groove; 8. Side plate; 9. L-shaped support arm; 10. Rotating plate; 11. Deflection motor; 12. Clamping plate; 13. Through-drop groove; 14. Mounting shaft; 15. Rubber limit guide roller. DETAILED DESCRIPTION

[0016] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0017] according to Figure 1-2 As shown, this embodiment proposes a leather cutting device, including a bottom plate 1, a moving control mechanism 2, a cutting assembly 3, a cutting positioning mechanism 4, an end clamping and unloading mechanism and a leather winding roller 5, the bottom plate 1 is provided with a moving control mechanism 2 on one side above, the bottom plate 1 is provided with an L-shaped stand 6 on the other side above, the moving control mechanism 2 is provided with a cutting assembly 3, the L-shaped stand 6 is provided with a cutting positioning mechanism 4, the L-shaped stand 6 at the position of the cutting positioning mechanism 4 is provided with a cutting groove 7, the cutting positioning mechanism 4 is adapted to the position of the cutting groove 7, and the L-shaped stand 6 is provided with a side plate on one side 8. A leather winding roller 5 is rotatably provided above the side plate 8, and an end clamping and unloading mechanism is provided on the L-shaped stand 6 on the side away from the leather winding roller 5; the end clamping and unloading mechanism includes an L-shaped support arm 9, a rotating plate 10 and a pneumatic clamp, the L-shaped support arm 9 is installed on one side wall of the L-shaped stand 6, a rotating plate 10 is rotatably provided at the lower part of the inside of one side wall of the L-shaped stand 6 through a rotating shaft, the rotating shaft is driven by a deflection motor 11, a pneumatic clamp is provided on the rotating plate 10, and a through-drop groove 13 is provided on the rotating plate 10 between the two clamping plates 12 of the pneumatic clamp.

[0018] When the leather cutting device of the utility model is used, the slender leather is wound and fixed on the leather winding roller 5, and then one end of the leather is inserted into the positioning space formed between the cutting positioning mechanism 4 and the L-shaped stand 6, and is positioned by the cutting positioning mechanism 4, and then the end of the leather away from the leather winding roller 5 is clamped by the end clamp and the pneumatic clamp of the feeding mechanism, and then the cutting component 3 is controlled by the mobile control mechanism 2 to approach the cutting groove 7 to achieve cutting of the leather, and the cutting component 3 is reset after the cutting is completed, and then the cutting component 3 is released. The positioning mechanism 4 positions the leather piece. At this time, one end of the cut leather piece is clamped by the pneumatic clamp of the end clamping and unloading mechanism, and the other end is located on the second positioning plate 405 of the end clamping and unloading mechanism. At this time, the rotating plate 10 of the end clamping and unloading mechanism is controlled to rotate, so that the rotating plate 10 drives one end of the cut leather piece to detach from the second positioning plate 405, and then the two clamping plates 12 of the pneumatic clamp that fix one end of the cut leather piece are released, and the cut leather piece can fall from the through-drop groove 13 for unloading.

[0019] The movement control mechanism 2 includes a feeding cylinder 201, a guide rail 202 and a slide plate 203. The feeding cylinder 201 is provided on one side above the bottom plate 1. The guide rail 202 is provided on the bottom plate 1 on one side of the feeding cylinder 201. The slide plate 203 is slidably provided on the guide rail 202. The cutting assembly 3 is arranged on the top of the slide plate 203. The output end of the feeding cylinder 201 is connected to the slide plate 203. By extending the feeding cylinder 201 to drive the slide plate 203 to move on the guide rail 202, the cutting assembly 3 is driven to approach the cutting groove 7 for cutting.

[0020] The cutting assembly 3 includes a cutting support frame and a cutting wheel 301. The cutting support frame is installed on one side of the top of the slide 203. The cutting wheel 301 is rotatably provided on the cutting support frame, and the cutting wheel 301 is driven by a cutting motor. The cutting support frame includes a lifting base 302 and a knife holder 303. The bottom of the lifting base 302 is installed on the top of the slide 203. The knife holder 303 is provided on one side of the output end of the lifting base 302. The cutting wheel 301 is rotatably installed on the knife holder 303. By setting the cutting support frame to be composed of the lifting base 302 and the knife holder 303, the position of the cutting wheel 301 can be adjusted according to the leather goods of different widths wound on the leather goods winding roller 5, so that the cutting wheel 301 can fully cut leather goods of different widths within the cutting range.

[0021] The cutting positioning mechanism 4 comprises an assembly plate 401, a positioning cylinder 402, a driving frame 403, a first positioning plate 404 and a second positioning plate 405. The assembly plate 401 is provided at the rear side of the L-shaped stand 6, the positioning cylinder 402 is provided on the assembly plate 401, the driving frame 403 is provided at the output end of the positioning cylinder 402, and the sliding holes 406 are provided at the front side of the L-shaped stand 6. The sliding holes 406 are provided in two groups, and the rear sides of the first positioning plate 404 and the second positioning plate 405 are respectively slidably connected with the sliding holes 406 in a group, and the rear sides of the first positioning plate 404 and the second positioning plate 405 penetrate the sliding holes 406 and are connected to the driving frame 403. By controlling the contraction of the positioning cylinder 402, the first positioning plate 404 and the second positioning plate 405 connected at one end of the driving frame 403 can be driven to approach the L-shaped stand 6, so as to fix the leather goods between the first positioning plate 404, the second positioning plate 405 and the L-shaped stand 6.

[0022] A mounting shaft 14 is symmetrically arranged above the side plate 8 on one side of the leather winding roller 5, and a rubber limiting guide roller 15 is rotatably arranged on the upper end of the mounting shaft 14, and the midpoint between the two groups of the rubber limiting guide rollers 15 is on the same horizontal line as the midpoint of the falling groove 13. The rotating rubber limiting guide roller 15 can be arranged to maintain the position state of the leather coming out of the leather winding roller 5, so as to maintain the normal progress of the subsequent cutting operation.

[0023] The utility model can realize synchronous and stable fixation of the two ends of the leather piece at the cutting position by setting the cutting positioning mechanism 4, so as to ensure that the leather piece will not move during the cutting process and thus affect the cutting quality; by setting the end clamping and unloading mechanism, one end of the leather piece can be clamped, and the cut leather piece can be quickly unloaded after the cutting component 3 cuts; when unloading, the deflection motor 11 drives the rotating plate 10 installed through the rotating shaft to deflect, so that one end of the cut leather piece can be pulled out from the clamping range of the cutting positioning mechanism 4 in a rotating form; when the pneumatic clamp releases the clamping of one end of the cut leather piece, the cut leather piece falls out from the through-drop groove 13; the process has a high degree of automation and does not require manual unloading.

[0024] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A leather cutting device, characterized in that: The invention comprises a bottom plate (1), a moving control mechanism (2), a cutting assembly (3), a cutting positioning mechanism (4), an end clamping and unloading mechanism and a leather winding roller (5), wherein the moving control mechanism (2) is provided on one side above the bottom plate (1), an L-shaped stand (6) is provided on the other side above the bottom plate (1), the moving control mechanism (2) is provided on the cutting assembly (3), the L-shaped stand (6) is provided with a cutting positioning mechanism (4), a cutting groove (7) is provided on the L-shaped stand (6) at the position of the cutting positioning mechanism (4), the cutting positioning mechanism (4) is adapted to the position of the cutting groove (7), a side plate (8) is provided on one side of the L-shaped stand (6), a leather winding roller (5) is rotatably provided above the side plate (8), and an end clamping and unloading mechanism is provided on the L-shaped stand (6) away from the leather winding roller (5); The end clamping and unloading mechanism comprises an L-shaped support arm (9), a rotating plate (10) and a pneumatic clamp, wherein the L-shaped support arm (9) is mounted on a side wall of the L-shaped stand (6), a rotating plate (10) is provided at the lower part of the inside of the side wall of the L-shaped stand (6) for rotation via a rotating shaft, the rotating shaft is driven by a deflection motor (11), a pneumatic clamp is provided on the rotating plate (10), and a through-drop groove (13) is provided on the rotating plate (10) between two clamping plates (12) of the pneumatic clamp.

2. A leather cutting device according to claim 1, characterized in that: The movement control mechanism (2) comprises a feeding cylinder (201), a guide rail (202) and a slide plate (203); a feeding cylinder (201) is provided on one side above the base plate (1); a guide rail (202) is provided above the base plate (1) on one side of the feeding cylinder (201); a slide plate (203) is slidably provided on the guide rail (202); the cutting assembly (3) is arranged on the top of the slide plate (203); and the output end of the feeding cylinder (201) is connected to the slide plate (203).

3. The leather cutting device according to claim 2, characterized in that: The cutting assembly (3) comprises a cutting support frame and a cutting wheel (301); the cutting support frame is mounted on one side of the top of the slide plate (203); a cutting wheel (301) is rotatably provided on the cutting support frame; and the cutting wheel (301) is driven by a cutting motor.

4. The leather cutting device according to claim 3, characterized in that: The cutting support frame comprises a lifting base (302) and a knife holder (303); the bottom of the lifting base (302) is mounted on the top of the slide plate (203); one side of the output end of the lifting base (302) is provided with the knife holder (303); and the cutting wheel (301) is rotatably mounted on the knife holder (303).

5. The leather cutting device according to claim 1, characterized in that: The cutting positioning mechanism (4) comprises an assembly plate (401), a positioning cylinder (402), a driving frame (403), a first positioning plate (404) and a second positioning plate (405); the assembly plate (401) is provided at the rear side of the L-shaped stand (6); the positioning cylinder (402) is provided on the assembly plate (401); the driving frame (403) is provided at the output end of the positioning cylinder (402); a sliding hole (406) is provided at the front side of the L-shaped stand (6); two groups of sliding holes (406) are provided in pairs; the rear sides of the first positioning plate (404) and the second positioning plate (405) are respectively slidably connected with the sliding holes (406) in pairs; and the rear sides of the first positioning plate (404) and the second positioning plate (405) are connected to the driving frame (403) after passing through the sliding holes (406) at the rear side.

6. The leather cutting device according to claim 1, characterized in that: A mounting shaft (14) is symmetrically arranged above the side plate (8) on one side of the leather goods winding roller (5), and a rubber limiting guide roller (15) is rotatably arranged on the upper end of the mounting shaft (14), and the midpoint between the two groups of the rubber limiting guide rollers (15) is on the same horizontal line as the midpoint of the drop groove (13).

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