Perforating device for automobile air conditioner accessory machining

By designing a hole punching device with push rod and scraper, the problems of scrap stuck and debris sticking are solved, efficient waste clearance and cleaning are achieved, and the hole punching accuracy and cleaning convenience are improved.

CN223301851UActive Publication Date: 2025-09-05NINGBO FENGHUA TIANHUI REFRIGERATION PARTS CO LTD
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Patent Information

Application Number
CN202422633778.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-09-05
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

When used in use, waste materials tend to get stuck in the punching tool, resulting in a decrease in accuracy, and debris sticking to the edge of the hole at high temperature is difficult to clean.

Method used

A hole punching device including a load bearing bracket, a connecting cylinder, a drive motor, a push rod and a scraper is designed. The drilling ring and scraper movement are driven through an external lifting mechanism to realize the unblocking and cleaning of waste.

Benefits of technology

Effectively unblock the waste in the hole drilling knife, clean up debris on the edge of the hole, and improve the drilling accuracy and cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a punching device for automobile air conditioner accessory processing, which relates to the technical field of automobile air conditioner accessory processing and comprises a bearing support, a connecting cylinder is rotatably connected inside the bottom end of the bearing support, and a gear ring is fixedly connected on the outer wall of the top of the connecting cylinder above the bearing support. The front end of the bearing support close to the outer wall of the gear ring is fixedly connected with a driving motor. The punching device is reasonable in design structure, an external lifting mechanism drives the bearing support to move downwards, the bearing support drives the connecting cylinder to move, the connecting cylinder drives the punching ring to be close to the surface of an air conditioner accessory, the driving motor drives the gear ring to rotate, the gear ring drives the connecting cylinder to rotate, and the connecting cylinder drives the punching ring to punch the accessory. After penetrating through the accessory, the external lifting mechanism drives the bearing support to move downwards by a certain distance, the connecting cylinder drives the moving disc to be close to the edge of the hole, the moving disc drives the scraper to be tightly attached to the surface of the accessory under the action of the reset spring, the scraper cleans burrs generated in the punching process, and the beneficial effect of facilitating waste cleaning is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile air-conditioning parts processing, in particular to a punching device for automobile air-conditioning parts processing. Background Art

[0002] The automobile air-conditioning system is a device that realizes cooling, heating, ventilation and air purification in the vehicle cabin. It can provide a comfortable riding environment for passengers, reduce driver fatigue and improve driving safety. The air-conditioning system has become one of the signs to measure whether the functions of a car are complete.

[0003] Automotive air conditioning parts are typically made of plastic. Currently, these parts are punched using a hollow-tipped punch. During the punching process, cut material often becomes lodged in the punch. If not promptly processed, the space inside the punch gradually fills, affecting punching accuracy. Furthermore, existing punching devices generate debris that adheres to the edges of the holes due to high temperatures, making them difficult to clean. To address this issue, we offer a punching device for automotive air conditioning parts processing that addresses these issues. Utility Model Content

[0004] 1) Technical problems solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a punching device for processing automobile air-conditioning accessories.

[0006] 2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching device for processing automobile air-conditioning accessories, comprising a bearing bracket, wherein the bottom end of the bearing bracket is rotatably connected to a connecting cylinder, the top outer wall of the connecting cylinder is located above the bearing bracket and is fixedly connected to a gear ring, the front end of the bearing bracket is fixedly connected to a driving motor near the outer wall of the gear ring, the bottom of the connecting cylinder is fixedly connected to a punching ring, the inside of the connecting cylinder is slidably connected to a push rod, the top of the push rod is fixedly connected to a buffer frame A, the inside of the buffer frame A is slidably connected to a buffer frame B, a buffer spring is provided between the inner top wall of the buffer frame A and the inner bottom wall of the buffer frame B, the top of the buffer frame B is fixedly connected to a telescopic rod, the outer wall of the connecting cylinder is located below the bearing bracket and is fixedly connected to a limiting ring, the outer surface of the connecting cylinder is located inside the limiting ring and is sleeved with a reset spring, the outer wall of the connecting cylinder is located below the reset spring and is slidably connected to a movable disk, and the bottom wall array of the movable disk is connected to six scrapers.

[0008] Furthermore, the supporting bracket is arranged in a "mouth" shape, and the bottom of the supporting bracket is connected to the top of the connecting tube by setting a rotating ring.

[0009] Furthermore, the output end at the bottom of the driving motor is meshed with the gear ring by providing a gear, and the outer wall of the driving motor is connected to the side wall of the supporting bracket by providing an extension frame.

[0010] Furthermore, the inner wall of the connecting cylinder is provided with a guide ring engaged with the push rod, and the buffer frame A and the buffer frame B are both composed of a circular block and a connecting rod.

[0011] Furthermore, the telescopic rod is composed of an electric hydraulic rod, and the outer wall of the telescopic rod is connected to the top wall of the bearing bracket by setting a fixing frame.

[0012] Furthermore, a groove engaged with the return spring is provided at the bottom end of the limiting ring, and a moving groove engaged with the top end of the inner wall of the moving disk is provided on the outer wall of the connecting tube.

[0013] Furthermore, one end of the scraper contacts the outer wall of the punching ring, and the bottom wall of the scraper is arranged at an inclined angle toward the punching ring.

[0014] 3) Beneficial effects:

[0015] Compared with the existing technology, the punching device for processing automobile air-conditioning parts has the following beneficial effects:

[0016] 1. The utility model drives the bearing bracket downward through an external lifting mechanism, the bearing bracket drives the connecting tube to move, the connecting tube drives the punching ring close to the surface of the air-conditioning accessory, the driving motor drives the gear ring to rotate, the gear ring drives the connecting tube to rotate, the connecting tube drives the punching ring to punch the accessory, and after penetrating the accessory, the external lifting mechanism drives the bearing bracket to move downward a certain distance, the connecting tube drives the moving disk close to the edge of the hole, and the moving disk drives the scraper to close to the surface of the accessory under the action of the return spring, and the scraper cleans the burrs generated during the punching process, solving the problem that the debris generated by the existing punching device during use will stick to the edge of the hole due to high temperature, making it inconvenient to clean, and has the advantage of facilitating the cleaning of waste.

[0017] 2. The utility model drives the supporting bracket to reset through the external lifting mechanism, and the telescopic rod drives the pushing rod to move downward. The pushing rod clears the waste material mixed in the punching ring, solving the problem that the waste material cut off when punching accessories with a hollow punching knife at the front end will be stuck in the punching knife, causing the space in the punching knife to be gradually filled. It has the advantage of clearing the punching knife. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the positive triaxial drawing of the utility model;

[0019] Figure 2 This is a schematic diagram of the connecting tube of the utility model;

[0020] Figure 3 This is a schematic diagram of the buffer frame A of the utility model;

[0021] Figure 4 This is a schematic diagram of a scraper according to the present invention.

[0022] In the figure: 1. Load-bearing bracket; 2. Connecting tube; 3. Gear ring; 4. Driving motor; 5. Punching ring; 6. Push rod; 7. Buffer frame A; 8. Buffer frame B; 9. Buffer spring; 10. Telescopic rod; 11. Limiting ring; 12. Return spring; 13. Moving disk; 14. Scraper. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1-4 As shown, the utility model provides a technical solution: a punching device for processing automobile air-conditioning accessories, comprising a bearing bracket 1, a connecting tube 2 is rotatably connected to the bottom end of the bearing bracket 1, the bearing bracket 1 is arranged in a "mouth" shape, the bottom of the bearing bracket 1 is connected to the top of the connecting tube 2 by setting a rotating ring, the outer wall of the top of the connecting tube 2 is located above the bearing bracket 1 and is fixedly connected to a gear ring 3, the front end of the bearing bracket 1 is fixedly connected to a driving motor 4 near the outer wall of the gear ring 3, the bottom output end of the driving motor 4 is meshed with the gear ring 3 by setting a gear, the outer wall of the driving motor 4 is connected to the side wall of the bearing bracket 1 by setting an extension frame, the bottom of the connecting tube 2 is fixedly connected to a punching ring 5, the external lifting mechanism drives the bearing bracket 1 to move downward, the bearing bracket 1 drives the connecting tube 2 to move, the connecting tube 2 drives the punching ring 5 to approach the surface of the air-conditioning accessory, the driving motor 4 drives the gear ring 3 to rotate, the gear ring 3 drives the connecting tube 2 to rotate, and the connecting tube 2 drives the punching ring 5 to punch the accessory.

[0025] A push rod 6 is slidably connected to the inside of the connecting tube 2, and a buffer frame A7 is fixedly connected to the top of the push rod 6. A buffer frame B8 is slidably connected to the inside of the buffer frame A7. The inner wall of the connecting tube 2 is provided with a guide ring that engages with the push rod 6. The buffer frames A7 and B8 are both composed of circular blocks and connecting rods. A buffer spring 9 is provided between the inner top wall of the buffer frame A7 and the inner bottom wall of the buffer frame B8. The setting of the buffer spring 9 creates a buffer space between the push rod 6 and the telescopic rod 10. This setting facilitates the push rod 6 to push the waste out of the punching ring 5. The top of the buffer frame B8 is fixedly connected to the telescopic rod 10, which is composed of an electric hydraulic rod. The outer wall of the telescopic rod 10 is connected to the top wall of the load-bearing bracket 1 by setting a fixed frame.

[0026] The outer wall of the connecting tube 2 is located below the supporting bracket 1 and is fixedly connected to the limiting ring 11. The outer surface of the connecting tube 2 is located inside the limiting ring 11 and is sleeved with a reset spring 12. The outer wall of the connecting tube 2 is located below the reset spring 12 and is slidingly connected to a movable disk 13. The bottom end of the limiting ring 11 is provided with a groove that engages with the reset spring 12, and the outer wall of the connecting tube 2 is provided with a movable groove that engages with the top of the inner wall of the movable disk 13.

[0027] Six scrapers 14 are connected to the bottom wall array of the movable disk 13. One end of the scraper 14 contacts the outer wall of the punching ring 5. The bottom wall of the scraper 14 is set at an inclined angle toward the punching ring 5. After penetrating the accessory, the external lifting mechanism drives the supporting bracket 1 to move down a certain distance. The connecting tube 2 drives the movable disk 13 close to the edge of the hole. The movable disk 13 drives the scraper 14 close to the surface of the accessory under the action of the reset spring 12. The scraper 14 cleans the burrs generated during the punching process. The external lifting mechanism drives the supporting bracket 1 to reset, and the telescopic rod 10 drives the pushing rod 6 to move down. The pushing rod 6 clears the waste material mixed in the punching ring 5.

[0028] Working principle: When the punching device for processing automobile air-conditioning accessories is in use, the external lifting mechanism drives the supporting bracket 1 to move downward, the supporting bracket 1 drives the connecting tube 2 to move, the connecting tube 2 drives the punching ring 5 close to the surface of the air-conditioning accessory, the driving motor 4 drives the gear ring 3 to rotate, the gear ring 3 drives the connecting tube 2 to rotate, the connecting tube 2 drives the punching ring 5 to punch the accessory. After penetrating the accessory, the external lifting mechanism drives the supporting bracket 1 to move downward a certain distance, the connecting tube 2 drives the moving disk 13 close to the edge of the hole, and the moving disk 13 drives the scraper 14 to close to the surface of the accessory under the action of the reset spring 12. The scraper 14 cleans the burrs generated during the punching process, and then the external lifting mechanism drives the supporting bracket 1 to reset, the telescopic rod 10 drives the pushing rod 6 to move downward, and the pushing rod 6 clears the waste mixed in the punching ring 5.

Claims

1. A punching device for processing automobile air-conditioning parts, comprising a supporting bracket (1), characterized in that: The bottom end of the supporting bracket (1) is internally connected to a connecting tube (2) for rotation, the top outer wall of the connecting tube (2) is located above the supporting bracket (1) and is fixedly connected to a gear ring (3), the front end of the supporting bracket (1) is fixedly connected to the outer wall of the gear ring (3), the bottom of the connecting tube (2) is fixedly connected to a punching ring (5), the inside of the connecting tube (2) is slidably connected to a push rod (6), the top of the push rod (6) is fixedly connected to a buffer frame A (7), the inside of the buffer frame A (7) is slidably connected to a buffer frame B (8), and the buffer A buffer spring (9) is provided between the inner top wall of the frame A (7) and the inner bottom wall of the buffer frame B (8); a telescopic rod (10) is fixedly connected to the top of the buffer frame B (8); an outer wall of the connecting tube (2) is located below the bearing bracket (1) and is fixedly connected to a limiting ring (11); an outer surface of the connecting tube (2) is located inside the limiting ring (11) and is sleeved with a return spring (12); an outer wall of the connecting tube (2) is located below the return spring (12) and is slidably connected to a movable disk (13); and six scrapers (14) are connected to the bottom wall of the movable disk (13) in an array.

2. The punching device for processing automobile air-conditioning parts according to claim 1, characterized in that: The supporting bracket (1) is arranged in a "mouth" shape, and the bottom of the supporting bracket (1) is connected to the top of the connecting tube (2) by means of a rotating ring.

3. The punching device for processing automobile air-conditioning parts according to claim 1, characterized in that: The bottom output end of the driving motor (4) is meshed with the gear ring (3) by providing a gear, and the outer wall of the driving motor (4) is connected to the side wall of the bearing bracket (1) by providing an extension frame.

4. The punching device for processing automobile air-conditioning parts according to claim 1, characterized in that: The inner wall of the connecting cylinder (2) is provided with a guide ring engaged with the push rod (6), and the buffer frame A (7) and the buffer frame B (8) are both composed of a circular block and a connecting rod.

5. The punching device for processing automobile air-conditioning parts according to claim 1, characterized in that: The telescopic rod (10) is composed of an electric hydraulic rod, and the outer wall of the telescopic rod (10) is connected to the top wall of the bearing bracket (1) by arranging a fixing frame.

6. The punching device for processing automobile air-conditioning parts according to claim 1, characterized in that: The bottom end of the limiting ring (11) is provided with a groove engaged with the return spring (12), and the outer wall of the connecting cylinder (2) is provided with a moving groove engaged with the top end of the inner wall of the moving disk (13).

7. The punching device for processing automobile air-conditioning parts according to claim 1, characterized in that: One end of the scraper (14) contacts the outer wall of the punching ring (5), and the bottom wall of the scraper (14) is arranged at an inclined angle toward the punching ring (5).