Polyurethane elastomer punching die capable of optimizing rebound effect

Abstract

The utility model discloses a polyurethane elastomer punching die capable of optimizing rebound effect in the technical field of polyurethane elastomer production, which comprises a base and a chute, the chute is arranged on the surface of the base, a slider is arranged in the chute and is slidably connected with the chute, an L-shaped rod is arranged at the top of the slider and is rotatably connected with the slider, a connecting piece is arranged at the bottom of the slider, and the L-shaped rod is connected with the slider. A fixing frame is arranged at the bottom of the base, the fixing frame is fixedly connected with the base, a motor is arranged at the top of the fixing frame, the motor and the fixing frame are fixed through screws, a rotating disc is arranged at the output end of the motor, and the supporting rod is rotationally connected with the rotating disc; by arranging the sliding groove, the sliding block, the L-shaped rod, the supporting rod and the motor, the automatic feeding function of the device is achieved, manual feeding of workers is not needed, time and labor are saved, the working efficiency is effectively improved, and the motor is started to drive the rotating disc to rotate, so that the supporting rod is driven to rotate, and then the L-shaped rod is driven to push polyurethane elastomer.

Description

Technical Field

[0001] The utility model belongs to the technical field of urethane foam production, and in particular relates to a urethane foam punching and cutting die with optimized rebound effect. Background Art

[0002] Polyurethane elastomer, also known as polyurethane PU elastomer, is a new type of material with good strength and small compression deformation. It is between plastic and rubber, with the rigidity of plastic and the elasticity of rubber. Polyurethane elastomer requires a punching device during production.

[0003] The existing PU rubber punching and cutting dies still have some defects. Most of them require manual operation to put the PU rubber into the punching and cutting machine and then punch and cut. Manual loading is troublesome, time-consuming and labor-intensive, which reduces work efficiency. Therefore, we propose a PU rubber punching and cutting die with optimized rebound effect. Utility Model Content

[0004] The utility model aims to provide a punching die for urethane foam with optimized rebound effect, so as to solve the problem of troublesome manual feeding mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength rubber punching die with optimized rebound effect, comprising a base and a slide groove, the surface of the base is provided with a slide groove, the interior of the slide groove is provided with a slider, the slider and the slide groove are slidably connected, the top of the slider is provided with an L-shaped rod, the L-shaped rod and the slider are rotatably connected, the bottom of the slider is provided with a connecting piece, the inner side of the connecting piece is provided with a support rod, the support rod and the connecting piece are rotatably connected, the bottom of the base is provided with a fixing frame, the fixing frame and the base are fixedly connected, the top of the fixing frame is provided with a motor, the motor and the fixing frame are fixed by screws, the output of the motor is provided with a turntable, and the support rod and the turntable are rotatably connected.

[0006] Preferably, a mounting groove is embedded in the surface of the sliding block, a spring is provided inside the mounting groove, and the spring is fixedly connected to the mounting groove.

[0007] Preferably, a first limiting plate is provided on the top of the base, two first limiting plates are provided, and the first limiting plates are fixedly connected to the base.

[0008] Preferably, a second limiting plate is provided on the top of the base, two second limiting plates are provided, and an opening is provided on the top of the second limiting plate.

[0009] Preferably, a support frame is provided on the top of the base, the support frame and the base are fixedly connected, and a hydraulic rod is provided on the top of the support frame.

[0010] Preferably, a punching head is provided at the bottom of the support frame, and the punching head is fixedly connected to the output end of the hydraulic rod.

[0011] Preferably, a supporting leg is provided at the bottom of the base, and the supporting leg is fixedly connected to the base. There are four supporting legs, which are respectively located at four corners of the bottom of the base.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The automatic loading function of the device is realized through the slide, slider, L-shaped rod, support rod and motor. There is no need for manual loading by the staff, which saves time and effort and effectively improves the work efficiency. Start the motor to drive the turntable to rotate, thereby driving the support rod to rotate, and then driving the L-shaped rod to push the rubber.

[0014] 2. The automatic reset function of the L-shaped rod is realized through the installation groove and spring. When the slider moves back, the L-shaped rod rotates under the extrusion of the rubber and stretches the spring at the same time. When the L-shaped rod moves to a suitable position, the L-shaped rod will be reset under the reaction force of the spring for the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model when viewed from above.

[0018] In the figure: 1. base; 2. slide groove; 3. slider; 4. L-shaped rod; 5. connecting piece; 6. support rod; 7. fixing frame; 8. motor; 9. turntable; 10. mounting groove; 11. spring; 12. first limit plate; 13. second limit plate; 14. opening; 15. support frame; 16. hydraulic rod; 17. punching head; 18. support leg. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3The utility model provides a technical solution: a high-strength rubber punching and cutting die with optimized rebound effect, comprising a base 1 and a slide groove 2, the surface of the base 1 is provided with the slide groove 2, the interior of the slide groove 2 is provided with a slider 3, the slider 3 and the slide groove 2 are slidably connected, the top of the slider 3 is provided with an L-shaped rod 4, the L-shaped rod 4 and the slider 3 are rotatably connected, the bottom of the slider 3 is provided with a connecting piece 5, the inner side of the connecting piece 5 is provided with a support rod 6, the support rod 6 and the connecting piece 5 are rotatably connected, a fixing frame 7 is provided at the bottom of the base 1, the fixing frame 7 is fixedly connected to the base 1, a motor 8 is provided at the top of the fixing frame 7, the motor 8 and the fixing frame 7 are fixed by screws, a turntable 9 is provided at the output of the motor 8, and the support rod 6 and the turntable 9 are rotatably connected.

[0021] In this embodiment, when using the high-strength rubber punching die with optimized rebound effect, the high-strength rubber to be punched is stacked between the first limit plate 12 and the second limit plate 13, and the motor 8 is started to drive the turntable 9 to rotate, thereby driving the support rod 6 to rotate. When the support rod 6 rotates, it drives the slider 3 to slide inside the slide groove 2, and then drives the L-shaped rod 4 to move, thereby pushing the high-strength rubber and realizing the function of automatic loading. There is no need to manually put the workpiece into the punching machine, which saves time and effort and effectively improves work efficiency.

[0022] Specifically, a mounting groove 10 is embedded in the surface of the slider 3, and a spring 11 is provided inside the mounting groove 10, and the spring 11 is fixedly connected to the mounting groove 10. A first limit plate 12 is provided on the top of the base 1, and two first limit plates 12 are provided, and the first limit plate 12 is fixedly connected to the base 1. A second limit plate 13 is provided on the top of the base 1, and two second limit plates 13 are provided, and an opening 14 is provided on the top of the second limit plate 13. A support frame 15 is provided on the top of the base 1, and the support frame 15 is fixedly connected to the base 1. A hydraulic rod 16 is provided on the top of the support frame 15, and a punching head 17 is provided on the bottom of the support frame 15, and the punching head 17 is fixedly connected to the output end of the hydraulic rod 16. A support leg 18 is provided on the bottom of the base 1, and the support leg 18 is fixedly connected to the base 1. There are four support legs 18, which are respectively located at the four corners of the bottom of the base 1.

[0023] In this embodiment, the automatic resetting function of the L-shaped rod 4 is realized by the provided installation groove 10 and the spring 11. When the slider 3 moves back, the L-shaped rod 4 rotates under the extrusion of the rubber and stretches the spring 11 at the same time. When the L-shaped rod 4 moves to a suitable position, the L-shaped rod 4 will complete the reset under the reaction force of the spring 11 for the next use. The punching effect of the rubber is realized by the provided support frame 15, hydraulic rod 16 and punching head 17, and the processing of the rubber is realized. The stability of the device is improved by the provided support legs 18.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rubber punching die with optimized rebound effect, comprising a base and a slide, characterized in that: A slide groove is provided on the surface of the base, a slider is provided inside the slide groove, the slider and the slide groove are slidably connected, an L-shaped rod is provided on the top of the slider, the L-shaped rod and the slider are rotatably connected, a connecting piece is provided at the bottom of the slider, a support rod is provided on the inner side of the connecting piece, the support rod and the connecting piece are rotatably connected, a fixing frame is provided at the bottom of the base, the fixing frame and the base are fixedly connected, a motor is provided on the top of the fixing frame, the motor and the fixing frame are fixed by screws, a turntable is provided at the output of the motor, and the support rod and the turntable are rotatably connected.

2. The PU punching die with optimized rebound effect according to claim 1, characterized in that: A mounting groove is embedded on the surface of the sliding block, a spring is arranged inside the mounting groove, and the spring is fixedly connected to the mounting groove.

3. The polyurethane die cutting die with optimized rebound effect according to claim 1, characterized in that: A first limiting plate is disposed on the top of the base, two first limiting plates are provided, and the first limiting plates are fixedly connected to the base.

4. The polyurethane die cutting die with optimized rebound effect according to claim 1, characterized in that: A second limiting plate is disposed on the top of the base, two second limiting plates are provided, and an opening is disposed on the top of the second limiting plate.

5. The PU punching die with optimized rebound effect according to claim 1, characterized in that: A support frame is provided on the top of the base, the support frame is fixedly connected to the base, and a hydraulic rod is provided on the top of the support frame.

6. The polyurethane die cutting die with optimized rebound effect according to claim 5, characterized in that: A punching head is provided at the bottom of the support frame, and the punching head is fixedly connected to the output end of the hydraulic rod.

7. The polyurethane die cutting die with optimized rebound effect according to claim 1, characterized in that: The bottom of the base is provided with supporting legs, the supporting legs are fixedly connected to the base, and four supporting legs are provided and respectively located at four corners of the bottom of the base.

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