A waste board locking device

Abstract

The utility model discloses a kind of waste board locking devices, it is related to die cutting machine technical field, including frame, fixed jaw and rotary changes linear motion mechanism being arranged on the frame, and movable jaw and ratchet mechanism being arranged on the rotary changes linear motion mechanism, the rotary changes linear motion mechanism is used to drive the movable jaw close to the fixed jaw to make the movable jaw cooperate with the fixed jaw and clamps the waste board, the ratchet mechanism is used to lock the rotary changes linear motion mechanism to lock the waste board clamped. The utility model waste board locking device has self-locking function, and simple structure, easy to operate, locking effect is good, low in cost, satisfies the use demand of equipment.

Description

Technical Field

[0001] This utility model relates to the field of die-cutting machine technology, specifically to a waste board locking device. Background Technology

[0002] Currently, most die-cutting machines use locking handles to lock the waste removal plate. However, the locking handle is unstable and may loosen over time. Furthermore, the locking handle acts directly on the locking shaft, which can deform over time. In addition, the locking handle needs to be clamped onto the waste removal plate before manual locking, which is cumbersome and easy to forget to lock the plate. Some die-cutting machines use the self-locking characteristic of the reducer to lock the waste removal plate, but this structure is more complex, heavier, and more expensive, and cannot meet the equipment's usage requirements. Utility Model Content

[0003] In view of the above-mentioned defects in the existing technology, the present invention aims to provide a waste removal plate locking device. The waste removal plate locking device has a self-locking function, simple structure, convenient operation, good locking effect, and low cost, thus meeting the equipment usage requirements.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] A waste removal plate locking device includes a frame, a fixed gripper and a rotary-to-linear motion mechanism disposed on the frame, and a movable gripper and a ratchet mechanism disposed on the rotary-to-linear motion mechanism. The rotary-to-linear motion mechanism is used to drive the movable gripper closer to the fixed gripper so that the movable gripper engages with the fixed gripper to clamp the waste removal plate. The ratchet mechanism is used to lock the rotary-to-linear motion mechanism to lock the clamped waste removal plate.

[0006] The rotary-to-linear motion mechanism includes a drive shaft and two gear and rack transmission mechanisms. Each gear and rack transmission mechanism includes a rack and a gear. The two racks are symmetrically arranged on the frame, and each rack has a sliding seat. The drive shaft is rotatably mounted on the two sliding seats. Both gears are mounted on the drive shaft and mesh with the corresponding racks.

[0007] The ratchet mechanism includes a pawl seat mounted on one of the slides, a pawl hinged to the pawl seat, a ratchet sleeved on the drive shaft and engaging with the pawl, and an elastic locking assembly mounted on the pawl seat. One end of the pawl is a pawl handle, and a first elastic element is disposed between the other end of the pawl and the pawl seat. When the pawl handle is pressed, the pawl disengages from the ratchet to unlock the drive shaft. When the pawl handle is released, the first elastic element drives the pawl to engage with the ratchet to lock the drive shaft. The elastic locking assembly is used to lock the engaged pawl.

[0008] The ratchet seat is provided with a mounting pin, and the first elastic element is disposed between the mounting pin and the ratchet.

[0009] The elastic locking assembly includes a limiting pin, a second elastic element, and a locking handle. The pawl seat has a first stepped hole, and both the limiting pin and the second elastic element are slidably disposed within the first stepped hole. One end of the limiting pin has a limiting boss located within the larger section of the first stepped hole, and the other end of the limiting pin passes through the smaller section of the first stepped hole and connects to the locking handle. The second elastic element is sleeved on the limiting pin, with one end abutting against the limiting boss and the other end abutting against the step of the first stepped hole. The limiting pin is used to press against the pawl to lock it.

[0010] The pawl is provided with a tightening groove for engaging with the limiting pin. When tightened, the limiting pin extends into the tightening groove.

[0011] The drive shaft is rotatably mounted on the pawl seat, and the drive shaft passes through the pawl seat and is connected to an operating handle.

[0012] The two slides are provided with mounting seats, and the movable gripper is mounted on the mounting seat through an elastic reset assembly.

[0013] The elastic reset assembly includes a connecting pin and a third elastic element. The connecting pin includes a head and a rod portion disposed on the head. The mounting base is provided with a second stepped hole adapted to the connecting pin. The rod portion of the connecting pin passes through the large hole section and the small hole section of the second stepped hole in sequence and is fixedly connected to the movable gripper. The third elastic element is sleeved on the rod portion, with one end abutting on the head and the other end abutting on the step of the second stepped hole.

[0014] The frame has multiple slide rails arranged side by side and spaced apart, and the mounting base is disposed on the slider of all the slide rails.

[0015] By adopting the above technical solution, the beneficial effects of this utility model are:

[0016] The waste removal plate locking device provided by this utility model uses a rotary-to-linear motion mechanism to drive a movable gripper closer to a fixed gripper, so that the movable gripper engages with the fixed gripper to clamp the waste removal plate. A ratchet mechanism then locks the rotary-to-linear motion mechanism, thereby locking the clamped waste removal plate. Since the ratchet mechanism is a classic unidirectional intermittent transmission device with a self-locking mechanism (its pawl can insert into the tooth groove of the ratchet to prevent the rotary-to-linear motion mechanism from moving in the opposite direction), and because the ratchet mechanism has the advantages of simple structure, convenient operation, good locking effect, and low cost, compared with the prior art, this waste removal plate locking device has a self-locking function, simple structure, convenient operation, good locking effect, and low cost. It perfectly solves the problems of cumbersome operation, complex structure, incomplete locking of the waste removal plate, and high cost, meeting the needs of equipment use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the waste removal plate locking device of this utility model;

[0018] Figure 2 yes Figure 1 A partial structural diagram;

[0019] Figure 3 yes Figure 1 A sectional view;

[0020] Figure 4 yes Figure 3 Enlarged view of section A;

[0021] Figure 5 yes Figure 1 Schematic diagram of the middle ratchet mechanism;

[0022] Figure 6 yes Figure 5 A sectional view;

[0023] In the diagram: 1. Frame; 2. Fixed gripper; 3. Rotary-to-linear motion mechanism; 31. Drive shaft; 32. Rack; 33. Gear; 34. Slide; 35. Mounting base; 36. Connecting pin; 37. Third elastic element; 38. Wear-resistant bushing; 4. Movable gripper; 5. Ratchet mechanism; 51. Pawl seat; 52. Pawl; 521. Pawl handle; 522. Tightening groove; 53. Ratchet; 54. First elastic element; 55. Mounting pin; 56. Limit pin; 561. Limit boss; 57. Second elastic element; 58. Locking handle; 6. Slide rail. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining this utility model and are not intended to limit this utility model.

[0025] like Figures 1 to 6 As shown, a waste removal plate locking device is disclosed, including a frame 1, a fixed gripper 2 and a rotary-to-linear motion mechanism 3 disposed on the frame 1, and a movable gripper 4 and a ratchet mechanism 5 disposed on the rotary-to-linear motion mechanism 3. The rotary-to-linear motion mechanism 3 is used to drive the movable gripper 4 to approach the fixed gripper 2 so that the movable gripper 4 cooperates with the fixed gripper 2 to clamp the waste removal plate (not shown in the figure). The ratchet mechanism 5 is used to lock the rotary-to-linear motion mechanism 3 to lock the clamped waste removal plate.

[0026] In this embodiment, the waste removal plate locking device drives the movable gripper 4 to approach the fixed gripper 2 via the rotary-to-linear motion mechanism 3, so that the movable gripper 4 and the fixed gripper 2 cooperate to clamp the waste removal plate. The rotary-to-linear motion mechanism 3 is locked by the ratchet mechanism 5, thereby locking the clamped waste removal plate. Since the ratchet mechanism 5 is a classic one-way intermittent transmission device, it has a self-locking mechanism, that is, its pawl 52 can be inserted into the tooth groove of its ratchet 53 to prevent the rotary-to-linear motion mechanism 3 from moving in the opposite direction. Moreover, the ratchet mechanism 5 has the advantages of simple structure, convenient operation, good locking effect and low cost. Therefore, the waste removal plate locking device in this embodiment has a self-locking function, simple structure, convenient operation, good locking effect and low cost. It can perfectly solve the problems of cumbersome operation, complex structure, poor locking of waste removal plate and high cost, and meet the use requirements of the equipment.

[0027] The rotary-to-linear motion mechanism 3 in this embodiment includes a drive shaft 31 and two gear and rack transmission mechanisms. Each gear and rack transmission mechanism includes a rack 32 and a gear 33. The two racks 32 are symmetrically arranged on the frame 1, and slide blocks 34 are slidably mounted on each rack 32. The drive shaft 31 is rotatably mounted on the two slide blocks 34. Both gears 33 are mounted on the drive shaft 31 and mesh with their corresponding racks 32. Because the gear and rack transmission mechanism has advantages such as high transmission accuracy, smooth operation, and high reliability, its use greatly improves the smoothness and positional accuracy of the moving gripper 4.

[0028] In this embodiment, wear-resistant bushings (not shown in the figure) are respectively provided between the drive shaft 31 and the two slides 34. This arrangement can effectively reduce the wear of the drive shaft 31 and the two slides 34 and extend the service life of the drive shaft 31 and the two slides 34.

[0029] The ratchet mechanism 5 in this embodiment includes a pawl seat 51 mounted on one of the slides 34, a pawl 52 hinged to the pawl seat 51, a ratchet 53 sleeved on the drive shaft 31 and engaging with the pawl 52, and an elastic locking assembly mounted on the pawl seat 51. One end of the pawl 52 is a pawl handle 521, and a first elastic element 54 is disposed between the other end of the pawl 52 and the pawl seat 51. When the pawl handle 521 is pressed, the pawl 52 disengages from the ratchet 53 to unlock the drive shaft 31. When the pawl handle 521 is released, the first elastic element 54 drives the pawl 52 to engage with the ratchet 53 to lock the drive shaft 51. The elastic locking assembly is used to lock the engaged pawl 52. Because of the elastic locking assembly, the self-locking reliability of this ratchet mechanism 5 is further improved.

[0030] Specifically, the pawl seat 51 is provided with a mounting pin 55, and the first elastic element 54 is disposed between the mounting pin 55 and the pawl 52; the elastic locking assembly includes a limiting pin 56, a second elastic element 57 and a locking handle 58, the pawl seat 51 is provided with a first stepped hole, and the limiting pin 56 and the second elastic element 57 are both slidably disposed in the first stepped hole; one end of the limiting pin 56 is provided with a limiting boss 561, which is located in the large hole section of the first stepped hole, and the other end of the limiting pin 56 passes through the small hole section of the first stepped hole and is connected to the locking handle 58; the second elastic element 57 is sleeved on the limiting pin 56 and one end abuts against the limiting boss 561, and the other end abuts against the step of the first stepped hole; the limiting pin 56 is used to tighten the pawl 52 to lock the pawl 52.

[0031] In this embodiment, the pawl 52 is provided with a tightening groove 522 for engaging with the limiting pin 56. When tightening, the limiting pin 56 extends into the tightening groove 522. The tightening groove 522 facilitates both the lifting of the pawl 52 and the tightening of the pawl 52 by the limiting pin 56.

[0032] Since springs have good elastic force, the first elastic element 54 and the second elastic element 57 in this embodiment are preferably springs.

[0033] In this embodiment, the drive shaft 31 is rotatably mounted on the pawl seat 51, and the drive shaft 31 passes through the pawl seat 51 and is connected to an operating handle (not shown in the figure). This configuration improves the ease of operating the drive shaft 31.

[0034] In this embodiment, mounting bases 35 are provided on the two slides 34, and the movable gripper 4 is mounted on the mounting base 35 through an elastic reset assembly. This arrangement enables the position of the movable gripper 4 to be adjustable, meeting the clamping requirements of waste removal plates of different sizes.

[0035] Specifically, the elastic reset assembly includes a connecting pin 36 and a third elastic element 37. The connecting pin 36 includes a head and a rod portion disposed on the head. The mounting base 35 is provided with a second stepped hole adapted to the connecting pin 36. The rod portion of the connecting pin 36 passes through the large hole section and the small hole section of the second stepped hole in sequence and is fixedly connected to the movable gripper 4. The third elastic element 37 is sleeved on the rod portion of the connecting pin 36, with one end abutting against the head of the connecting pin 36 and the other end abutting against the step of the second stepped hole. The third elastic element 37 is also preferably a spring.

[0036] In this embodiment, a wear-resistant bushing 38 is provided between the connecting pin 36 and the mounting base 35. This arrangement can effectively reduce the wear of the connecting pin 36 and the mounting base 35 and extend their service life.

[0037] In this embodiment, multiple slide rails 6 are arranged side-by-side and spaced apart on the frame 1, and the mounting base 35 is disposed on the slider of all slide rails 6. This arrangement further improves the linearity of the movement of the movable gripper 4 and ensures the clamping accuracy of the waste plate.

[0038] After adjusting the waste removal plate locking device, place both ends of the waste removal plate on the fixed jaw 2 and the movable jaw 4 respectively. When clamping the waste removal plate, press the pawl handle 521 to disengage the pawl 52 from the ratchet 53 to unlock the drive shaft 31. Then, use the operating handle to rotate the drive shaft 31. The two slides 34 will drive the movable jaw 4 to approach the fixed jaw 2, so that the movable jaw 4 and the fixed jaw 2 will cooperate to clamp the waste removal plate. After the waste removal plate is clamped, pull the locking handle 58 to retract the limit pin 56 into the first step hole. Then, release the pawl handle 521. The first elastic element 54 will drive the pawl 52 to engage with the ratchet 53 to lock the drive shaft 31. Then, release the locking handle 58. The second elastic element 57 will drive the limit pin 58 to extend into the top tightening groove 522 to lock the engaged pawl 52, thereby locking the clamped waste removal plate.

[0039] The above describes in detail a preferred embodiment of the waste removal plate locking device of this utility model. There are many other embodiments, which will not be elaborated here.

[0040] In summary, the waste removal plate locking device of this utility model has a self-locking function, simple structure, convenient operation, good locking effect, and low cost. It can perfectly solve the problems of cumbersome operation, complex structure, poor locking of waste removal plates, and high cost, and meet the needs of equipment use.

[0041] This utility model is not limited to the specific embodiments described above. Any modifications made by those skilled in the art based on the above concept without creative effort shall fall within the protection scope of this utility model.

Claims

1. A waste board locking device, characterized in that, The system includes a frame, a fixed gripper and a rotary-to-linear motion mechanism mounted on the frame, and a movable gripper and a ratchet mechanism mounted on the rotary-to-linear motion mechanism. The rotary-to-linear motion mechanism is used to drive the movable gripper closer to the fixed gripper so that the movable gripper engages with the fixed gripper to clamp the waste removal plate. The ratchet mechanism is used to lock the rotary-to-linear motion mechanism to lock the clamped waste removal plate.

2. The waste removal plate locking device according to claim 1, characterized in that, The rotary-to-linear motion mechanism includes a drive shaft and two gear and rack transmission mechanisms. The gear and rack transmission mechanism includes racks and gears. Two racks are symmetrically arranged on the frame and slide seats are slidably arranged on each rack. The drive shaft is rotatably arranged on the two slide seats. Both gears are arranged on the drive shaft and mesh with the corresponding racks respectively.

3. The waste removal plate locking device according to claim 2, characterized in that, The ratchet mechanism includes a pawl seat mounted on one of the slides, a pawl hinged to the pawl seat, a ratchet sleeved on the drive shaft and engaging with the pawl, and an elastic locking assembly mounted on the pawl seat. One end of the pawl is a pawl handle, and a first elastic element is provided between the other end of the pawl and the pawl seat; when the pawl handle is pressed, the pawl disengages from the ratchet to unlock the drive shaft; when the pawl handle is released, the first elastic element drives the pawl to engage with the ratchet to lock the drive shaft; the elastic locking assembly is used to lock the engaged pawl.

4. The waste removal plate locking device according to claim 3, characterized in that, The ratchet seat is provided with a mounting pin, and the first elastic element is disposed between the mounting pin and the ratchet.

5. The waste removal plate locking device according to claim 3, characterized in that, The elastic locking assembly includes a limiting pin, a second elastic element, and a locking handle. The pawl seat is provided with a first stepped hole, and the limiting pin and the second elastic element are both slidably disposed in the first stepped hole; one end of the limiting pin is provided with a limiting boss, which is located in the large hole section of the first stepped hole, and the other end of the limiting pin passes through the small hole section of the first stepped hole and is connected to the locking handle; the second elastic element is sleeved on the limiting pin and one end abuts against the limiting boss, and the other end abuts against the step of the first stepped hole; the limiting pin is used to press the pawl to lock the pawl.

6. The waste removal plate locking device according to claim 5, characterized in that, The pawl is provided with a tightening groove for engaging with the limiting pin. When tightened, the limiting pin extends into the tightening groove.

7. The waste removal plate locking device according to claim 3, characterized in that, The drive shaft is rotatably mounted on the pawl seat, and the drive shaft passes through the pawl seat and is connected to an operating handle.

8. The waste removal plate locking device according to claim 2, characterized in that, Both slides are provided with mounting bases, and the movable gripper is mounted on the mounting bases via an elastic reset assembly.

9. The waste removal plate locking device according to claim 8, characterized in that, The elastic reset assembly includes a connecting pin and a third elastic element. The connecting pin includes a head and a rod portion disposed on the head. The mounting base is provided with a second stepped hole adapted to the connecting pin. The rod portion of the connecting pin passes through the large hole section and the small hole section of the second stepped hole in sequence and is fixedly connected to the movable gripper. The third elastic element is sleeved on the rod portion, with one end abutting on the head and the other end abutting on the step of the second stepped hole.

10. The waste removal plate locking device according to claim 8, characterized in that, Multiple slide rails are arranged side by side and spaced apart on the frame, and the mounting base is disposed on the slider of all the slide rails.

Images