Transmission mechanism for leather punching machine

Abstract

The transmission mechanism for the leather punching machine comprises a gantry type main machine base, a gantry type platform is vertically arranged in the gantry type main machine base, an upper die base is arranged in the gantry type platform, a main shaft is arranged at the top end in the gantry type main machine base in a transverse driving mode, and connecting rod upper shaft sleeves are vertically arranged on the two sides of the main shaft. A supporting cross beam is transversely arranged at the bottom end of the main shaft, a die height servo motor is arranged in the middle of the supporting cross beam, die height adjusting shafts are transversely arranged on the two sides of the die height servo motor in a driving mode, and die height adjusting bearing seats are arranged at one ends of the die height adjusting shafts; an eccentric driving shaft is arranged between the die height adjusting bearing seat and the die height adjusting shaft in a driving mode, the eccentric driving shaft is in driving connection with the die height adjusting shaft, a connecting rod is vertically arranged on the die height adjusting bearing in a penetrating mode, and the connecting rod and the eccentric driving shaft are in deviation driving fit. The connecting rod vertically penetrates through the gantry type platform and is connected with the upper die base.

Description

Technical Field

[0001] The utility model relates to the field of leather punching machines, in particular to a transmission mechanism used for leather punching machines. Background Art

[0002] The leather punching machine is an automated punching equipment for non-metallic materials such as leather, cloth, sponge, PVC, EVA, XPE, etc. It drives the punching die to punch downward through a driving device to punch holes in the leather. The current leather machines generally fix the punching die on the upper die seat, and then manually rotate the ball screws on both sides of the upper die seat to adjust the depth of the die. However, this easily leads to the need for frequent height adjustments when different types of punching dies are used for leather stamping, large stamping gaps, uneven left and right errors, and no depth value. For this reason, a transmission mechanism for a leather punching machine is proposed. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0004] The transmission mechanism of the leather punching machine includes a gantry mainframe, a gantry platform is vertically arranged inside the gantry mainframe, an upper die seat is arranged inside the gantry platform, and the upper die seat moves vertically up and down inside the gantry platform, a main shaft is horizontally driven at the top of the gantry mainframe, and connecting rod upper sleeves are vertically arranged on both sides of the main shaft, and eccentric transmission is performed between the main shaft and the connecting rod upper sleeve, a supporting beam is horizontally arranged at the bottom end of the main shaft, and the supporting beam is horizontally fixed inside the gantry mainframe, and the supporting beam and the gantry platform are parallel to each other, a die height servo motor is arranged in the middle position of the supporting beam, and die height adjustment shafts are horizontally driven on both sides of the die height servo motor, and the die height One end of the adjusting shaft is eccentrically driven to be provided with a mold height adjusting bearing seat, and the mold height adjusting bearing seat is drivingly connected to the connecting rod upper sleeve, an eccentric driving shaft is drivingly provided between the mold height adjusting bearing seat and the mold height adjusting shaft, and the eccentric driving shaft is laterally located inside the mold height adjusting bearing seat, and the eccentric driving shaft is drivingly connected to the mold height adjusting shaft, a connecting rod is vertically penetrated by the mold height adjusting bearing, and the connecting rod and the eccentric driving shaft are drivingly matched, and the eccentric driving shaft drives the connecting rod to rise and fall inside the mold height adjusting bearing, the connecting rod vertically penetrates the gantry platform and is connected to the upper mold seat, and the upper mold seat and the connecting rod are in the same movement direction, and the other end of the connecting rod is drivingly matched to the connecting rod upper sleeve.

[0005] Preferably, a fixed brake pad is arranged between the mold height adjustment shaft and the eccentric driving shaft, and the fixed brake pad is mounted on the mold height adjustment shaft, and the fixed brake pad and the mold height adjustment shaft have the same movement direction, a brake pad driving cylinder is arranged between the mold height adjustment shaft and the supporting beam, and the brake pad driving cylinder is arranged on the side surface inside the supporting beam, and the brake pad driving cylinder and the fixed brake pad are parallel to each other.

[0006] Preferably, the mold height adjustment bearing seat is electrically provided with a height sensor, and the height sensor is vertically located on the side of the mold height adjustment bearing seat, the height sensor and the connecting rod are parallel to each other, and the height sensor is electrically connected to the mold height servo motor.

[0007] Preferably, a connecting rod fixed bearing seat is arranged between the connecting rod and the gantry platform, and the connecting rod fixed bearing seats are laterally located on both sides of the top of the gantry platform, the connecting rod fixed bearing seat passes through the top of the gantry platform, and the connecting rod passes through the connecting rod fixed bearing seat, and the connecting rod moves up and down in the middle of the connecting rod fixed bearing seat.

[0008] Preferably, a connecting rod nut flange is arranged between the connecting rod and the upper die base, and the connecting rod nut flanges are laterally located on both sides of the outer top end of the upper die base, the connecting rod nut flange and the upper die base have the same movement direction, and the connecting rod and the connecting rod nut flange are connected to each other, and the connecting rod nut flange can be manually rotated on the upper die base to fine-tune the height.

[0009] Preferably, a V-shaped guide rail is provided between the upper die seat and the gantry platform, and the V-shaped guide rail is vertically arranged at the inner side of the gantry platform, and the side surfaces of the upper die seat are drivingly connected between the V-shaped guide rails.

[0010] Preferably, a sliding block is provided between the upper mold base and the V-shaped guide rail, and the sliding block is vertically inserted into the interior of the V-shaped guide rail, the sliding block moves inside the V-shaped guide rail, and the other side of the sliding block is connected to the side surface outside the upper mold base, and the sliding block and the upper mold base have the same movement direction.

[0011] Preferably, a mounting seat is provided between the supporting crossbeam and the mold height servo motor, and the mounting seat is provided at a middle position of the supporting crossbeam, and the mold height servo motor is fixed on the mounting seat.

[0012] Compared with the prior art, the beneficial effect of the utility model is that when the mold height servo motor drives the mold height adjustment shaft to rotate, the mold height adjustment shaft will also rotate with the eccentric drive shaft, thereby driving the connecting rod to rise and fall inside the mold height adjustment bearing through the eccentric drive shaft, thereby driving the upper mold base to rise and fall inside the gantry platform, and then adjusting the height of the upper mold base inside the gantry platform to meet any stamping height required when the subsequent main shaft drives the connecting rod to stamp the leather downward with the upper mold base, thereby replacing the problem of the prior art that the height of the upper mold base needs to be adjusted manually.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the transmission mechanism used in the leather punching machine;

[0016] Figure 2 Another schematic diagram of the structure of the transmission mechanism for the leather punching machine;

[0017] Figure 3 Another structural schematic diagram of a transmission mechanism for a leather punching machine;

[0018] Figure 4 is a schematic diagram of the structure of the connecting rod;

[0019] Figure 5 It is a structural schematic diagram of the upper die base;

[0020] Figure 6 It is a structural schematic diagram of a V-shaped guide rail.

[0021] As shown in the figure: 1. Gantry main machine base, 2. Gantry platform, 3. Support beam, 4. Upper die base, 5. Spindle, 6. Connecting rod upper sleeve, 7. V-shaped guide rail, 8. Mounting seat, 9. Die height servo motor, 10. Die height adjustment shaft, 11. Fixed brake pad, 12. Height sensor, 13. Die height adjustment bearing seat, 14. Connecting rod, 15. Connecting rod fixed bearing seat, 16. Connecting rod nut flange, 17. Sliding block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6 In the embodiment of the utility model, the transmission mechanism of the leather punching machine includes a gantry mainframe 1, a gantry platform 2 is vertically arranged inside the gantry mainframe 1, and an upper die seat 4 is arranged inside the gantry platform 2, and the upper die seat 4 moves vertically up and down inside the gantry platform 2, a main shaft 5 is arranged at the top of the gantry mainframe 1 for horizontal driving, and connecting rod upper sleeves 6 are vertically arranged on both sides of the main shaft 5, and eccentric transmission is performed between the main shaft 5 and the connecting rod upper sleeve 6, a supporting crossbeam 3 is arranged horizontally at the bottom end of the main shaft 5, and the supporting crossbeam 3 is horizontally fixed inside the gantry mainframe 1, and the supporting crossbeam 3 is horizontally fixed inside the gantry mainframe 1, and the supporting crossbeam 3 is vertical ... The supporting crossbeam 3 and the gantry platform 2 are parallel to each other, a mold height servo motor 9 is arranged in the middle position of the supporting crossbeam 3, and mold height adjustment shafts 10 are arranged on both sides of the mold height servo motor 9 in a transverse driving manner, a mold height adjustment bearing seat 13 is arranged at one end of the mold height adjustment shaft 10 in an eccentric driving manner, and the mold height adjustment bearing seat 13 is drivingly connected to the connecting rod upper sleeve 6, and the mold height adjustment bearing seat 13 is fixed to the side of the supporting crossbeam 3, an eccentric driving shaft (not shown in the figure) is drivingly arranged between the mold height adjustment bearing seat 13 and the mold height adjustment shaft 10, and the eccentric driving shaft is laterally located in the mold height adjustment bearing seat 13 The die height adjustment shaft 10 is driven and connected with the die height adjustment shaft 10, and then the die height servo motor 9 drives the die height adjustment shaft 10 to rotate, so that the eccentric drive shaft is driven to rotate inside the die height adjustment bearing seat 13, and the die height adjustment bearing 13 is vertically penetrated by a connecting rod 14, and the connecting rod 14 and the eccentric drive shaft are driven to cooperate with each other, and the eccentric drive shaft drives the connecting rod 14 to rise and fall inside the die height adjustment bearing 13, and the connecting rod 14 vertically penetrates the gantry platform 2 and is connected between the upper die seat 4, and the upper die seat 4 and the connecting rod 14 are in the same movement direction, and the other side of the connecting rod 14 One end is driven to cooperate with the connecting rod upper sleeve 6, and then when the die height servo motor 9 drives the die height adjustment shaft 10 to rotate, the die height adjustment shaft 10 will also rotate with the eccentric driving shaft, thereby driving the connecting rod 14 to rise and fall inside the die height adjustment bearing 13 through the eccentric driving shaft, thereby driving the upper die base 4 to rise and fall inside the gantry platform 2, and then adjusting the height of the upper die base 4 inside the gantry platform 2 to meet any stamping height required when the subsequent main shaft 5 drives the connecting rod 14 to stamp the leather downward together with the upper die base 4, thereby replacing the problem of the prior art that the height of the upper die base 4 needs to be adjusted manually.

[0024] A fixed brake pad 11 is arranged between the mold height adjustment shaft 10 and the eccentric driving shaft, and the fixed brake pad 11 is sleeved on the mold height adjustment shaft 10, and the fixed brake pad 11 and the mold height adjustment shaft 10 have the same movement direction, and a brake pad driving cylinder (not shown in the figure) is arranged between the mold height adjustment shaft 10 and the supporting beam 3, and the brake pad driving cylinder is arranged on the side surface inside the supporting beam 3, and the brake pad driving cylinder and the fixed brake pad 11 are parallel to each other, and then the fixed brake pad 11 can be abutted by the brake pad driving cylinder, so that when the connecting rod 14 drives the upper mold base 4 to rise or fall to the required height, the mold height adjustment shaft 10 will not continue to rotate, so that the height of the upper mold base 4 after rising or falling will not shift.

[0025] The mold height adjustment bearing seat 13 is electrically provided with a height sensor 12, and the height sensor 12 is vertically located on the side of the mold height adjustment bearing seat 13, the height sensor 12 and the connecting rod 14 are parallel to each other, and the height sensor 12 is electrically connected to the mold height servo motor 9, and then the height sensor 12 senses the position of the connecting rod 14, so as to control whether the mold height servo motor 9 rotates the mold height adjustment shaft 10, so as to prevent the height of the connecting rod 14 from being too high or too low, which may easily affect the height requirements of different leather stamping molds.

[0026] A connecting rod fixed bearing seat 15 is arranged between the connecting rod 14 and the gantry platform 2, and the connecting rod fixed bearing seat 15 is laterally located on both sides of the top of the gantry platform 2, the connecting rod fixed bearing seat 15 passes through the top of the gantry platform 2, and the connecting rod 14 passes through the connecting rod fixed bearing seat 15, and the connecting rod 14 moves up and down in the middle of the connecting rod fixed bearing seat 15, and then the connecting rod 14 drives the upper mold seat 4 to move more stably through the connecting rod fixed bearing seat 15.

[0027] A connecting rod nut flange 16 is arranged between the connecting rod 14 and the upper die base 4, and the connecting rod nut flange 16 is laterally located on both sides of the outer top end of the upper die base 4, the connecting rod nut flange 16 and the upper die base 4 have the same movement direction, and the connecting rod 14 and the connecting rod nut flange 16 are connected to each other, and the connecting rod nut flange 16 is manually rotated on the upper die base 4 to fine-tune the height, so that the upper die base 4 and the connecting rod 14 have the same movement direction through the connecting rod nut flange 16.

[0028] A V-shaped guide rail 7 is arranged between the upper die seat 4 and the gantry platform 2, and the V-shaped guide rail 7 is vertically arranged on the inner side of the gantry platform 2, and the side surfaces of the upper die seat 4 are drive-connected between the V-shaped guide rails 7, so that the upper die seat 4 can move up and down inside the gantry platform 2 more smoothly through the V-shaped guide rail 7, thereby ensuring a high degree of precision during movement.

[0029] A sliding block 17 is provided between the upper die base 4 and the V-shaped guide rail 7, and the sliding block 17 is vertically inserted into the interior of the V-shaped guide rail 7. The sliding block 17 moves inside the V-shaped guide rail 7, and the other side of the sliding block 17 is connected to the side surface outside the upper die base 4, and the sliding block 17 and the upper die base 4 have the same movement direction, and then through the cooperation between the sliding block 17 and the V-shaped guide rail 7, the upper die base 4 is more stable when moving up and down inside the gantry platform 2, ensuring a high degree of precision during movement.

[0030] A mounting seat 8 is provided between the supporting beam 3 and the mold height servo motor 9, and the mounting seat 8 is provided in the middle position of the supporting beam 3, and the mold height servo motor 9 is fixed on the mounting seat 8, and then the mold height servo motor 9 is fixed on the supporting beam 3 through the mounting seat 8.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A transmission mechanism for a leather punching machine, comprising a gantry-type mainframe, characterized in that: A gantry platform is vertically arranged inside the gantry mainframe, and an upper die seat is arranged inside the gantry platform, and the upper die seat moves vertically up and down inside the gantry platform, a main shaft is horizontally driven at the top of the gantry mainframe, and connecting rod upper sleeves are vertically arranged on both sides of the main shaft, and eccentric transmission is performed between the main shaft and the connecting rod upper sleeve, a supporting crossbeam is horizontally arranged at the bottom end of the main shaft, and the supporting crossbeam is horizontally fixed inside the gantry mainframe, and the supporting crossbeam and the gantry platform are parallel to each other, a mold height servo motor is arranged in the middle position of the supporting crossbeam, and mold height adjustment shafts are horizontally driven on both sides of the mold height servo motor, and one end of the mold height adjustment shaft is eccentrically driven by a A mold height adjustment bearing seat is provided, and the mold height adjustment bearing seat is drive-connected to the connecting rod upper sleeve, an eccentric drive shaft is drive-connected between the mold height adjustment bearing seat and the mold height adjustment shaft, and the eccentric drive shaft is laterally located inside the mold height adjustment bearing seat, and the eccentric drive shaft is drive-connected to the mold height adjustment shaft, a connecting rod is vertically penetrated by the mold height adjustment bearing, and the connecting rod and the eccentric drive shaft are drive-matched, and the eccentric drive shaft drives the connecting rod to rise and fall inside the mold height adjustment bearing, the connecting rod vertically penetrates the gantry platform and is connected to the upper mold seat, and the upper mold seat and the connecting rod are in the same movement direction, and the other end of the connecting rod is drive-matched to the connecting rod upper sleeve.

2. The transmission mechanism for a leather punching machine according to claim 1, characterized in that: A fixed brake pad is arranged between the mold height adjustment shaft and the eccentric driving shaft, and the fixed brake pad is mounted on the mold height adjustment shaft, and the fixed brake pad and the mold height adjustment shaft have the same movement direction, a brake pad driving cylinder is arranged between the mold height adjustment shaft and the supporting beam, and the brake pad driving cylinder is arranged on the side surface inside the supporting beam, and the brake pad driving cylinder and the fixed brake pad are parallel to each other.

3. The transmission mechanism for a leather punching machine according to claim 1, characterized in that: The mold height adjustment bearing seat is electrically provided with a height sensor, and the height sensor is vertically located on the side of the mold height adjustment bearing seat, the height sensor and the connecting rod are parallel to each other, and the height sensor is electrically connected to the mold height servo motor.

4. The transmission mechanism for a leather punching machine according to claim 1, characterized in that: A connecting rod fixed bearing seat is arranged between the connecting rod and the gantry platform, and the connecting rod fixed bearing seats are laterally located on both sides of the top of the gantry platform, the connecting rod fixed bearing seat passes through the top of the gantry platform, and the connecting rod passes through the connecting rod fixed bearing seat, and the connecting rod moves up and down in the middle of the connecting rod fixed bearing seat.

5. The transmission mechanism for a leather punching machine according to claim 1, characterized in that: A connecting rod nut flange is arranged between the connecting rod and the upper die seat, and the connecting rod nut flanges are laterally located on both sides of the outer top end of the upper die seat, the connecting rod nut flange and the upper die seat have the same movement direction, and the connecting rod and the connecting rod nut flange are connected to each other, and the connecting rod nut flange can be manually rotated on the upper die seat to fine-tune the height.

6. The transmission mechanism for a leather punching machine according to claim 1, characterized in that: A V-shaped guide rail is arranged between the upper die seat and the gantry platform, and the V-shaped guide rail is vertically arranged at the inner side of the gantry platform, and the side surfaces of the upper die seat are drivingly connected between the V-shaped guide rails.

7. The transmission mechanism for a leather punching machine according to claim 6, characterized in that: A sliding block is arranged between the upper die seat and the V-shaped guide rail, and the sliding block is vertically inserted into the interior of the V-shaped guide rail. The sliding block moves inside the V-shaped guide rail, and the other side of the sliding block is connected to the side surface outside the upper die seat, and the sliding block and the upper die seat have the same movement direction.

8. The transmission mechanism for a leather punching machine according to claim 1, characterized in that: A mounting seat is arranged between the supporting crossbeam and the mold height servo motor, and the mounting seat is arranged at the middle position of the supporting crossbeam, and the mold height servo motor is fixed on the mounting seat.

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