Laser cutting device for leather production

Abstract

The invention discloses a laser cutting device for leather production, and relates to the technical field of leather cutting. The device comprises a second fixing block, and a pretreatment mechanism is arranged in the second fixing block. According to the laser cutting device, the laser cutting device is horizontally moved through a guide rail, and during moving, a servo motor drives a connecting rod and a first bevel gear to rotate, so that two sets of second bevel gears meshed with the surface of the first bevel gear rotate reversely, a driven rod and a driven plate are driven to rotate, and a second fixing shaft rotates along with the driven plate; through the arrangement of the mechanism, the problem that focal marks and chromatic aberration are generated around a cutting area due to the fact that the temperature of leather is too high when the leather is cut is effectively solved, the effect of cooling the leather can be achieved, the leather is subjected to pre-flattening treatment, errors can be avoided when the leather is cut, and the cutting efficiency of the leather is improved. And the accuracy of the cutting device is improved, and the quality of the cut leather is also improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of leather cutting, in particular to a laser cutting device for leather production. BACKGROUND

[0002] As a modern production method, leather laser cutting technology has been widely used in the leather processing industry. Traditional leather cutting methods rely on manual or mechanical cutters, which have low cutting precision, low production efficiency, and unavoidable thermal damage. Laser cutting technology uses high-power laser beams to locally heat leather materials and precisely cuts them into the desired shape using thermal effects. Compared with traditional methods, laser cutting has the advantages of high precision, small heat-affected zone, fast cutting speed, and no need for molds. In particular, when dealing with complex patterns and high-precision leather products, laser cutting demonstrates its unparalleled advantages.

[0003] In a Chinese patent (publication number: CN116329780B), a leather laser cutting device for automobile seat cover production is disclosed. The device is lifted by a hydraulic cylinder output end on the bottom end of the large piece of leather, and after cutting the large piece of leather, the cutting table is reset to separate the shaped leather and the corner material. The internal part of the electric sliding block sliding seat is used to fix the leather with the clamping assembly driven by the electric push cylinder and the second telescopic rod, which plays a role in recycling and conveying the leather corner material. The electric sliding block slides and extrudes the extrusion rod, which is retracted into the internal part of the seat to trigger the first sensor to send a signal. After receiving the signal, the electromagnetic block is electrified to attract the first magnetic block, which can control the corner material clamped by the four corners to be discharged. However, in actual use, the heat is concentrated in the cutting area, which can cause thermal effects on the surrounding leather, affecting the appearance and quality of the leather. Especially when dealing with thin leather, it is easy to appear burnt marks or color difference. At the same time, after the whole leather is cut into multiple parts, small-scale deviation may occur, which can affect the quality of the final product and cannot avoid the problem of uneven leather raw materials. SUMMARY

[0004] The present application relates to the technical field of leather cutting, in particular to a laser cutting device for leather production.

[0005] To achieve the above-mentioned purposes, the present application specifically adopts the following technical solutions: The application discloses a laser cutting device for leather production, which comprises a fixed block two, a pretreatment mechanism is arranged in the fixed block two, the pretreatment mechanism comprises a bevel gear one, a driven plate, a driven rod, a bevel gear two, a fixed shaft two, an adjusting plate, a fixed shaft one, a refrigerator and a cooling plate, the bevel gear one is rotationally connected with the fixed block two, the bevel gear two is engaged with the bevel gear one, the bevel gear two is fixedly connected with the driven rod, the driven rod is rotationally connected with the fixed block two, the driven rod is fixedly connected with the driven plate, the fixed shaft two is fixedly connected with the driven plate, one end of the adjusting plate is rotationally connected with the fixed shaft two, the other end of the adjusting plate is rotationally connected with the fixed shaft one, the fixed shaft one is fixedly connected with the refrigerator, the refrigerator is slidingly connected with the fixed block two, and the cooling plate is fixedly connected with the refrigerator.

[0006] Further, one side of the refrigerator is provided with a pushing mechanism, the pushing mechanism comprises a receiving plate, an electric telescopic rod, a connecting block, a rotating rod one, a hinged seat, a pushing plate, a rotating rod two and an adjusting block, the receiving plate is fixedly connected with the refrigerator, the electric telescopic rod is fixedly connected with the receiving plate, the output end of the receiving plate is fixedly connected with the connecting block, the hinged seat is fixedly connected with the connecting block, the rotating rod one is rotationally connected with the hinged seat, the rotating rod one is fixedly connected with the adjusting block, the rotating rod two is rotationally connected with the adjusting block, and the pushing plate is fixedly connected with the rotating rod two.

[0007] Further, the inside of the fixed block two is fixedly provided with an air inlet, and the upper surface of the fixed block two is fixedly provided with two groups of air outlet pipes which are communicated with the air inlet.

[0008] Further, the upper surface of the fixed block two is fixedly provided with a servo motor, the output shaft of the servo motor is fixedly connected with a connecting rod, the connecting rod is rotationally connected with the fixed block two, and the connecting rod is fixedly connected with the bevel gear one.

[0009] Further, one side of the fixed block two is fixedly connected with a laser cutter, the inside of the laser cutter is fixedly provided with an light outlet, the lower surface of the laser cutter is engaged with two groups of guide rails, and the lower surfaces of the two groups of guide rails are fixedly connected with fixed blocks one.

[0010] Further, the upper surfaces of the fixed blocks one are fixedly provided with two groups of fixed frames, the insides of the two groups of fixed frames are fixedly connected with limiting rods, the inside of the laser cutter is fixedly connected with a sliding block, and the sliding block is slidingly inserted with the limiting rods.

[0011] Further, the lower surface of the fixed block one is fixedly provided with a cutting table, and the inside of the cutting table is provided with two groups of discharging grooves.

[0012] Furthermore, a bracket is fixedly installed on the lower surface of the cutting table, a locking block is fixedly connected inside the bracket, a receiving box is slidably connected to the surface of the locking block, the receiving box is fitted with the bracket, and a handle is fixedly installed on one side of the receiving box.

[0013] Furthermore, a control panel is fixedly installed on one side of the bracket, and four sets of bases are fixedly installed on both sides of the bracket, with all four sets of bases located on the same horizontal plane.

[0014] The beneficial effects of this invention are as follows: This invention uses a guide rail to horizontally move the laser cutter and the second fixed block. During movement, a servo motor drives the connecting rod and the first bevel gear to rotate, causing the two sets of second bevel gears meshing on the surface of the first bevel gear to rotate in opposite directions. This, in turn, drives the driven rod and the driven plate to rotate, causing the second fixed shaft to rotate along with the driven plate. This causes the adjusting plate to drive the first fixed shaft and the cooler to rise and fall, allowing the two sets of cooling plates to alternately contact the leather. The cooler cools the cooling plates, and when the cooling plates come into contact with the leather, they cool the leather. The leather absorbs heat, thus lowering its temperature. Simultaneously, pressure is applied to the leather during cooling, flattening it. After pre-treatment, the leather is cut through the light outlet. This mechanism effectively prevents scorching and color differences around the cutting area caused by excessively high temperatures during cutting. It effectively cools the leather and pre-flattens it, avoiding errors during cutting, improving the accuracy of the cutting device, and enhancing the quality of the cut leather.

[0015] In this invention, when cutting leather, the laser cutter and the second fixing block move horizontally via guide rails. After the leather is cut through the light outlet, the electric telescopic rod drives the pushing mechanism to move vertically downward, so that the pushing plate contacts the leather before the cooling plate. When the cooler moves vertically back and forth, after the pushing plate contacts the leather, the connecting block continues to apply downward pressure, causing the adjusting block to deflect around the rotating rod, thereby driving the pushing plate to deflect outward. This allows the leather scraps to follow the pushing plate to both sides of the cutting table and fall into the receiving box through the feeding chute, thus separating the finished leather product from the scraps. This mechanism effectively avoids the problem of mixing finished leather products and scraps, achieving automatic separation of finished products and scraps. At the same time, it reduces the time required for manual separation and improves the processing efficiency of leather. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is the present invention. Figure 1 Left view of the overall structure; Figure 3 This is the present invention. Figure 1 Top view of the overall structure; Figure 4 This is the present invention. Figure 2 A schematic diagram of the partial structure is viewed from the front. Figure 5 This is the present invention. Figure 4 A schematic diagram of the structure viewed from below; Figure 6 This is the present invention. Figure 5 View of the internal structure diagram from the front; Figure 7 This is the present invention. Figure 6 Schematic diagram of the rear view section; Figure 8 This is the present invention. Figure 7 A schematic diagram of a partial structure viewed from the right.

[0017] Reference numerals: 1. Support; 11. Cutting table; 12. Base; 13. Fixing block one; 14. Control panel; 15. Laser cutter; 16. Light outlet; 17. Fixing block two; 18. Locking block; 19. Handle; 110. Receiving box; 2. Fixing frame; 21. Limiting rod; 22. Discharge chute; 23. Guide rail; 24. Slider; 3. Pre-treatment mechanism; 31. Air outlet pipe; 32. Air inlet; 33. Cooling plate; 34. 35. Refrigerator; 36. Fixed shaft one; 37. Adjusting plate; 38. Fixed shaft two; 39. Driven rod; 30. Bevel gear one; 310. Servo motor; 311. Connecting rod; 312. Bevel gear two; 313. Driven plate; 4. Pushing mechanism; 41. Receiving plate; 42. Electric telescopic rod; 43. Connecting block; 44. Rotating rod one; 45. Hinge seat; 46. Pushing plate; 47. Rotating rod two; 48. Adjusting block. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0019] Example 1, as Figures 1-8As shown, a laser cutting device for leather production includes a second fixed block 17. A pre-treatment mechanism 3 is disposed inside the second fixed block 17. The pre-treatment mechanism 3 includes a first bevel gear 39, a driven plate 313, a driven rod 38, a second bevel gear 312, a second fixed shaft 37, an adjusting plate 36, a first fixed shaft 35, a cooler 34, and a cooling plate 33. The first bevel gear 39 is rotatably connected to the second fixed block 17, and the second bevel gear 312 meshes with the first bevel gear 39. 312 is fixedly connected to the driven rod 38, the driven rod 38 is rotatably connected to the fixed block 17, the driven rod 38 is fixedly connected to the driven plate 313, the fixed shaft 37 is fixedly connected to the driven plate 313, one end of the adjusting plate 36 is rotatably connected to the fixed shaft 37, the other end of the adjusting plate 36 is rotatably connected to the fixed shaft 35, the fixed shaft 35 is fixedly connected to the cooler 34, the cooler 34 is slidably connected to the fixed block 17, and the cooling plate 33 is fixedly connected to the cooler 34.

[0020] In the production of leather products, the leather raw materials need to be cut into corresponding shapes according to the product shape to facilitate subsequent processing. Laser cutting technology uses a high-power laser beam to locally heat the leather material, using the thermal effect to precisely cut the material into the required shape. Compared with traditional methods, laser cutting has advantages such as high precision, small heat-affected zone, fast cutting speed, and no need for molds. Especially when processing leather products with complex patterns and high precision requirements, laser cutting demonstrates its unparalleled advantages. When cutting leather, the laser cutter 15 and the fixed block 17 are moved horizontally by the guide rail 23. During the movement, the connecting rod 311 and the bevel gear 39 are rotated by the servo motor 310. This causes the two sets of bevel gears 312 meshing on the surface of bevel gear 39 to rotate in opposite directions, thereby driving the driven rod 38 and driven plate 313 to rotate, causing the fixed shaft 37 to rotate with the driven plate 313, causing the adjusting plate 36 to drive the fixed shaft 35 and the cooler 34 to rise and fall, causing the two sets of cooling plates 33 to alternately contact the leather, and the cooler 34 to cool the cooling plates 33. When the cooling plates 33 come into contact with the leather, the cooling plates 33 will absorb heat from the leather, thereby reducing the temperature of the leather. At the same time, when the cooling plates 33 are cooling, they will apply pressure to the leather, thereby flattening the leather. After the pretreatment is completed, the leather is cut through the light outlet 16.

[0021] Example 2, as Figure 7 , Figure 8As shown, based on the above embodiment, it further includes a pushing mechanism 4 provided on one side of the cooler 34. The pushing mechanism 4 includes a receiving plate 41, an electric telescopic rod 42, a connecting block 43, a first rotating rod 44, a hinge seat 45, a pushing plate 46, a second rotating rod 47, and an adjusting block 48. The receiving plate 41 is fixedly connected to the cooler 34, the electric telescopic rod 42 is fixedly connected to the receiving plate 41, the output end of the receiving plate 41 is fixedly connected to the connecting block 43, the hinge seat 45 is fixedly connected to the connecting block 43, the first rotating rod 44 is rotatably connected to the hinge seat 45, the first rotating rod 44 is fixedly connected to the adjusting block 48, the second rotating rod 47 is rotatably connected to the adjusting block 48, and the pushing plate 46 is fixedly connected to the second rotating rod 47. When cutting leather, the laser cutter 15 and the fixing block 17 move horizontally via the guide rail 23. After the leather is cut through the light outlet 16, the electric telescopic rod 42 drives the pushing mechanism 4 to move vertically downward, so that the pushing plate 46 contacts the leather before the cooling plate 33. When the cooler 34 moves vertically back and forth, after the pushing plate 46 contacts the leather, the connecting block 43 continues to apply downward pressure, so that the adjusting block 48 deflects around the rotating rod 44, thereby driving the pushing plate 46 to deflect outward, so that the leather scraps follow the pushing plate 46 to the sides of the cutting table 11 and fall into the receiving box 110 through the feeding trough 22, thereby separating the finished leather from the scraps.

[0022] Example 3, as Figure 3 , Figure 5 As shown, based on the above embodiment, it also includes an air intake 32 fixedly installed inside the fixing block 2 17, and two sets of air outlet pipes 31 fixedly installed on the upper surface of the fixing block 2 17. Both sets of air outlet pipes 31 are connected to the air intake 32. When the leather is cut by laser, the high temperature at the cutting point will generate smoke and odor. The air intake 32 will absorb the smoke and odor generated during the cutting process, avoiding harmful gases from harming the workers and improving the safety of the device during use.

[0023] Example 4, as Figure 6 As shown, based on the above embodiment, it further includes a servo motor 310 fixedly mounted on the upper surface of the second fixed block 17, a connecting rod 311 fixedly connected to the output shaft of the servo motor 310, the connecting rod 311 being rotatably connected to the second fixed block 17, and the connecting rod 311 being fixedly connected to the first bevel gear 39. The servo motor 310 drives the connecting rod 311 and the first bevel gear 39, causing the two sets of coolers 34 to move in opposite vertical reciprocating directions, thereby cooling and flattening the leather while fixing it, thus improving the stability of the device during cutting.

[0024] Example 5, as Figure 3 , Figure 4As shown, based on the above embodiment, it further includes a laser cutter 15 fixedly connected to one side of the fixed block 2 17. A light outlet 16 is fixedly installed inside the laser cutter 15. Two sets of guide rails 23 are engaged on the lower surface of the laser cutter 15. Fixed blocks 13 are fixedly connected to the lower surfaces of the two sets of guide rails 23. Two sets of fixing frames 2 are fixedly installed on the upper surface of the fixed blocks 13. Limiting rods 21 are fixedly connected inside the two sets of fixing frames 2. A slider 24 is fixedly connected inside the laser cutter 15. The slider 24 is slidably inserted into the limiting rod 21. The guide rails 23 drive the laser cutter 15 and the fixed block 2 17 to move horizontally. The slider 24 and the limiting rod 21 limit the laser cutter 15 and the fixed block 2 17, preventing the laser cutter 15 and the fixed block 2 17 from derailing during horizontal movement, thus improving the stability of the device during operation.

[0025] Example 6, as Figure 2 , Figure 3 As shown, based on the above embodiment, it also includes a cutting table 11 fixedly installed on the lower surface of the fixed block 13. The cutting table 11 has two sets of feeding slots 22 inside. A bracket 1 is fixedly installed on the lower surface of the cutting table 11. A locking block 18 is fixedly connected inside the bracket 1. A receiving box 110 is slidably connected to the surface of the locking block 18. The receiving box 110 is in contact with the bracket 1. A handle 19 is fixedly installed on one side of the receiving box 110. A control panel 14 is fixedly installed on one side of the bracket 1. Four sets of bases 12 are fixedly installed on both sides of the bracket 1. The four sets of bases 12 are all located on the same horizontal plane. The receiving box 110 collects leather scraps, which makes it convenient for workers to reuse the scrap leather, reduces the time required for sorting, and improves the collection efficiency. The control panel 14 can be used to precisely control the device, which improves the accuracy of the leather products cut by the device.

[0026] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A laser cutting device for leather production, comprising a second fixing block (17), characterized in that, The interior of the fixed block 2 (17) is provided with a pretreatment mechanism (3), which includes a bevel gear 1 (39), a driven plate (313), a driven rod (38), a bevel gear 2 (312), a fixed shaft 2 (37), an adjusting plate (36), a fixed shaft 1 (35), a cooler (34), and a cooling plate (33). The bevel gear 1 (39) is rotatably connected to the fixed block 2 (17), the bevel gear 2 (312) meshes with the bevel gear 1 (39), and the bevel gear 2 (312) is fixedly connected to the driven rod (38). The driven rod (38) is rotatably connected to the fixed block two (17), the driven rod (38) is fixedly connected to the driven plate (313), the fixed shaft two (37) is fixedly connected to the driven plate (313), one end of the adjusting plate (36) is rotatably connected to the fixed shaft two (37), the other end of the adjusting plate (36) is rotatably connected to the fixed shaft one (35), the fixed shaft one (35) is fixedly connected to the cooler (34), the cooler (34) is slidably connected to the fixed block two (17), and the cooling plate (33) is fixedly connected to the cooler (34).

2. The laser cutting device for leather production according to claim 1, characterized in that, A feeding mechanism (4) is provided on one side of the refrigerator (34). The feeding mechanism (4) includes a receiving plate (41), an electric telescopic rod (42), a connecting block (43), a rotating rod one (44), a hinge seat (45), a feeding plate (46), a rotating rod two (47), and an adjusting block (48). The receiving plate (41) is fixedly connected to the refrigerator (34), the electric telescopic rod (42) is fixedly connected to the receiving plate (41), the output end of the receiving plate (41) is fixedly connected to the connecting block (43), the hinge seat (45) is fixedly connected to the connecting block (43), the rotating rod one (44) is rotatably connected to the hinge seat (45), the rotating rod one (44) is fixedly connected to the adjusting block (48), the rotating rod two (47) is rotatably connected to the adjusting block (48), and the feeding plate (46) is fixedly connected to the rotating rod two (47).

3. The laser cutting device for leather production according to claim 1, characterized in that, An air inlet (32) is fixedly installed inside the fixed block two (17), and two sets of air outlet pipes (31) are fixedly installed on the upper surface of the fixed block two (17). Both sets of air outlet pipes (31) are connected to the air inlet (32).

4. The laser cutting device for leather production according to claim 1, characterized in that, A servo motor (310) is fixedly installed on the upper surface of the second fixed block (17). A connecting rod (311) is fixedly connected to the output shaft of the servo motor (310). The connecting rod (311) is rotatably connected to the second fixed block (17). The connecting rod (311) is fixedly connected to the first bevel gear (39).

5. The laser cutting device for leather production according to claim 1, characterized in that, A laser cutter (15) is fixedly connected to one side of the second fixed block (17). A light outlet (16) is fixedly installed inside the laser cutter (15). Two sets of guide rails (23) are engaged on the lower surface of the laser cutter (15). A first fixed block (13) is fixedly connected to the lower surface of both sets of guide rails (23).

6. The laser cutting device for leather production according to claim 5, characterized in that, Two sets of fixing brackets (2) are fixedly installed on the upper surface of the fixing block (13). Limiting rods (21) are fixedly connected inside the two sets of fixing brackets (2). A slider (24) is fixedly connected inside the laser cutter (15). The slider (24) is slidably inserted into the limiting rod (21).

7. The laser cutting device for leather production according to claim 5, characterized in that, A cutting table (11) is fixedly installed on the lower surface of the fixing block (13), and two sets of feeding grooves (22) are opened inside the cutting table (11).

8. A laser cutting device for leather production according to claim 7, characterized in that, A bracket (1) is fixedly installed on the lower surface of the cutting table (11). A locking block (18) is fixedly connected inside the bracket (1). A receiving box (110) is slidably connected to the surface of the locking block (18). The receiving box (110) is in contact with the bracket (1). A handle (19) is fixedly installed on one side of the receiving box (110).

9. A laser cutting device for leather production according to claim 8, characterized in that, A control panel (14) is fixedly installed on one side of the bracket (1), and four sets of bases (12) are fixedly installed on both sides of the bracket (1), with the four sets of bases (12) located on the same horizontal plane.

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