Punching device for automobile sealing element

By designing a punching device for automobile seals including a guide mechanism and a cutting mechanism, the problems of unsmooth cutouts, inconvenient feeding of seals and human injuries during cutting in the prior art are solved, and a more stable and safe seal cutting process is achieved.

CN222944284UActive Publication Date: 2025-06-06YOTREE IND (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202421947384.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-06-06
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

Existing punching devices for automotive seals are prone to unsmooth cut during the cutting process, the sealing product is long and has a soft texture, and it is inconvenient to manually feed, and it is easy to damage the human hand when approaching the cutting blade.

Method used

A punching device including a base plate, a conveyor belt, a guide mechanism and a cutting mechanism is designed. The servo motor drives the bidirectional screw to rotate, and the guide rod abuts the outer wall of the seal. After the infrared sensor detects that the seal passes, the cylinder drives the cutting assembly to move downward, and the cutter cuts the seal.

Benefits of technology

It effectively solves the problems of unsmooth cut, inconvenient feeding of seals and human injury during cutting, and achieves a more stable and safe seal cutting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a punching device for an automobile sealing element, relates to the technical field of punching devices, and aims to solve the problems that in the prior art, an unsmooth notch is prone to occurring, a sealing product is long and soft in texture, manual feeding is inconvenient, and the hand of a human body is prone to being hurt when the sealing product is close to a cutting edge. A conveying belt is installed on the top of the bottom plate, guide mechanisms are arranged on the two sides of the conveying belt, a cutting mechanism is arranged at one end of the conveying belt, and each guide mechanism comprises a fixing frame and a two-way lead screw rotationally connected to the inner walls of the two ends of the fixing frame. The servo motor drives the guide rods on the two sides to abut against the outer walls of the two sides of the sealing piece through the two-way lead screw, the sealing piece conveyed and moved at the top of the conveying belt is guided and limited through the guide rods rotating freely, and after the infrared sensor with the set delay value detects that the sealing piece below passes through, the sealing piece can be conveyed to the conveying belt. The air cylinder drives the cutting assembly to move downwards.
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Description

Technical Field

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

[0002] The punching device for automobile seals is a device specially used for cutting and punching automobile seals. Automobile seals are usually made of rubber or plastic materials and are used to seal various joints and gaps in automobiles to prevent the penetration of water, gas and noise. The punching device uses a cutter or a mold to cut the seals of pre-designed shapes and sizes from the raw materials.

[0003] The current punching and cutting devices usually use a cutter and a pressurizing device to cut the automotive seals. At the moment of cutting, the automotive seals are prone to deviation, and the cuts are prone to unevenness. In addition, the sealing products are long and soft, and manual feeding is inconvenient. When close to the cutting blade, it is easy to injure the human hand. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a punching device for automobile seals, which overcomes the shortcomings of the prior art and effectively solves the problem that the incision is not smooth, the sealing product is long and soft, manual feeding is inconvenient, and it is easy to hurt human hands when approaching the cutting blade.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A punching device for automobile seals, comprising a base plate, a conveyor belt is installed on the top of the base plate, and guide mechanisms are arranged on both sides of the conveyor belt, a cutting mechanism is arranged at one end of the conveyor belt, the guide mechanism comprises a fixed frame, a bidirectional screw rod rotatably connected to the inner walls at both ends of the fixed frame, a servo motor connected to one end of the bidirectional screw rod, movable blocks respectively connected to the two ends of the rod wall of the bidirectional screw rod, a connecting plate fixed to the bottom of the movable block, and guide rods equidistantly distributed at the bottom of the connecting plate, the cutting mechanism comprises a mounting frame, an infrared sensor mounted on the top of the outer wall of one side of the mounting frame, a guide plate fixed to the bottom of the outer wall of one side of the mounting frame, a cylinder fixed to the top of the mounting frame, and a cutting assembly fixed to the bottom of the cylinder, the cutting assembly comprises a mounting plate, movable rods plugged and movable at both ends of the top of the mounting plate, a telescopic spring sleeved and movable on the rod wall of the movable rod, a pressure frame screwed to the bottom end of the movable rod, and a cutter fixed to the bottom of the mounting plate.

[0007] The output shaft of the servo motor drives the bidirectional lead screw to rotate, and the rotating bidirectional lead screw drives the threaded movable block to move along the fixed frame, so that the guide rods on both sides abut against the outer walls of the seal on both sides, and the seal transported and moved on the top of the conveyor belt is guided and limited by the freely rotating guide rods. After the infrared sensor with a set delay value detects that the seal below has passed, the cutting assembly is driven downward by the cylinder, and the top of the seal is pressed and fixed by the pressure frame, and the cutter is forced downward to cut the seal in cooperation with the telescopic spring and the movable rod.

[0008] Preferably, the bottom of the fixing frame is connected and fixed to the top of the base plate, and the servo motor is installed on the top of the outer wall at one end of the fixing frame.

[0009] The output shaft of the servo motor drives the bidirectional lead screw to rotate.

[0010] Preferably, a screw hole adapted to the bidirectional screw rod is provided on an outer wall of one side of the movable block, and the movable block forms a sliding fit with the fixing frame.

[0011] The rotating bidirectional screw drives the screw-connected movable block to move along the fixed frame.

[0012] Preferably, the top end of the guide rod is rotatably connected to the bottom of the connecting plate, and the bottom end of the guide rod is close to the top of the conveyor belt.

[0013] The seal moving on the top of the conveyor belt is guided and limited by a freely rotating guide rod.

[0014] Preferably, both ends of the bottom of the mounting frame are fixed with plug rods, and both sides of the top of the bottom plate are provided with slots adapted to the plug rods.

[0015] The connection and fixation between the mounting frame and the base plate are completed by plugging the plug rod into the slot.

[0016] Preferably, a controller is installed on the top of the outer wall at one end of the mounting frame, and the conveyor belt, servo motor, infrared sensor and cylinder are all electrically connected to the controller.

[0017] The conveyor belt, servo motor, infrared sensor and cylinder are controlled in linkage through the controller.

[0018] Preferably, a groove is provided at the bottom of the mounting frame, and the groove is adapted to the bottom of the cutter.

[0019] The cutting groove matched with the cutting knife facilitates the cutting of the seal.

[0020] The beneficial effects of the utility model are:

[0021] The servo motor drives the guide rods on both sides through the bidirectional screw rod to abut against the outer walls of the two sides of the seal, and the freely rotating guide rods are used to guide and limit the seal that is transported and moved on the top of the conveyor belt. After the infrared sensor with a set delay value detects that the seal below has passed, the cylinder drives the cutting assembly to move downward, and the pressure frame presses and fixes the top of the seal, and cooperates with the telescopic spring and the movable rod to make the cutter cut the seal downward, effectively solving the problem of uneven incisions in the prior art. In addition, the sealing product is long and soft in texture, and it is inconvenient to feed it manually. When it is close to the cutting blade, it is easy to hurt the human hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a punching device for automobile seals proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of a guide mechanism of a punching device for automobile seals proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the cutting mechanism structure of a punching device for automobile seals proposed by the utility model;

[0025] Figure 4 The utility model is a schematic diagram of the structure of a cutting assembly of a punching device for automobile seals.

[0026] In the figure: 1. bottom plate; 2. conveyor belt; 3. guide mechanism; 4. cutting mechanism; 5. fixed frame; 6. bidirectional screw rod; 7. servo motor; 8. movable block; 9. connecting plate; 10. guide rod; 11. mounting frame; 12. controller; 13. plug rod; 14. infrared sensor; 15. guide plate; 16. cylinder; 17. cutting assembly; 18. mounting plate; 19. movable rod; 20. telescopic spring; 21. pressure frame; 22. cutter. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Example:

[0029] Reference Figure 1-4A punching device for automobile seals, comprising a bottom plate 1, a conveyor belt 2 is installed on the top of the bottom plate 1, guide mechanisms 3 are arranged on both sides of the conveyor belt 2, a cutting mechanism 4 is arranged at one end of the conveyor belt 2, and the guide mechanism 3 comprises a fixed frame 5, a bidirectional screw rod 6 rotatably connected to the inner wall of both ends of the fixed frame 5, a servo motor 7 connected to one end of the bidirectional screw rod 6, a movable block 8 respectively connected to both ends of the rod wall of the bidirectional screw rod 6, a connecting plate 9 fixed to the bottom of the movable block 8, and guide rods 10 equidistantly distributed at the bottom of the connecting plate 9;

[0030] The cutting mechanism 4 includes a mounting frame 11, an infrared sensor 14 mounted on the top of the outer wall of one side of the mounting frame 11, a guide plate 15 fixed to the bottom of the outer wall of one side of the mounting frame 11, a cylinder 16 fixed to the top of the mounting frame 11, and a cutting assembly 17 fixed to the bottom of the cylinder 16. The cutting assembly 17 includes a mounting plate 18, a movable rod 19 plugged and movably connected to the two ends of the top of the mounting plate 18, a telescopic spring 20 sleeved and movably connected to the rod wall of the movable rod 19, a pressing frame 21 screwed to the bottom end of the movable rod 19, and a cutter 22 fixed to the bottom of the mounting plate 18.

[0031] The bottom of the fixed frame 5 is connected and fixed to the top of the bottom plate 1, and the servo motor 7 is installed on the top of the outer wall of one end of the fixed frame 5. The output shaft of the servo motor 7 drives the bidirectional screw 6 to rotate. A screw hole adapted to the bidirectional screw 6 is opened on the outer wall of one side of the movable block 8. The movable block 8 forms a sliding fit with the fixed frame 5. The rotating bidirectional screw 6 drives the screwed movable block 8 to move along the fixed frame 5. The top of the guide rod 10 is rotatably connected to the bottom of the connecting plate 9, and the bottom end of the guide rod 10 is close to the top of the conveyor belt 2. The freely rotating guide rod 10 guides and limits the seal of the conveyor belt 2.

[0032] Insert rods 13 are fixed at both ends of the bottom of the mounting frame 11, and slots compatible with the insert rods 13 are opened on both sides of the top of the bottom plate 1. The connection and fixation between the mounting frame 11 and the bottom plate 1 are completed by plugging the insert rods 13 into the slots. A controller 12 is installed on the top of the outer wall of one end of the mounting frame 11. The conveyor belt 2, servo motor 7, infrared sensor 14 and cylinder 16 are all electrically connected to the controller 12. The conveyor belt 2, servo motor 7, infrared sensor 14 and cylinder 16 are controlled in linkage through the controller 12. A groove is opened at the bottom of the mounting frame 11, and the groove is compatible with the bottom of the cutter 22. The groove compatible with the cutter 22 is convenient for cutting the seal.

[0033] Working principle:

[0034] During operation, the output shaft of the servo motor 7 drives the bidirectional screw rod 6 to rotate, and the rotating bidirectional screw rod 6 drives the threaded movable block 8 to move along the fixed frame 5, so that the guide rods 10 on both sides abut against the outer walls of the two sides of the seal, and the freely rotating guide rods 10 guide and limit the seal transported and moved on the top of the conveyor belt 2. After the infrared sensor 14 with a set delay value detects that the seal below passes, the cylinder 16 drives the cutting assembly 17 to move downward, and the pressing frame 21 presses and fixes the top of the seal, and cooperates with the telescopic spring 20 and the movable rod 19 to make the cutter 22 cut the seal downward.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A punching device for automobile seals, comprising a bottom plate (1), characterized in that: A conveyor belt (2) is installed on the top of the bottom plate (1), and guide mechanisms (3) are arranged on both sides of the conveyor belt (2). A cutting mechanism (4) is arranged at one end of the conveyor belt (2). The guide mechanism (3) comprises a fixed frame (5), a bidirectional screw rod (6) rotatably connected to the inner walls of both ends of the fixed frame (5), a servo motor (7) connected to one end of the bidirectional screw rod (6), a movable block (8) respectively connected to the two ends of the rod wall of the bidirectional screw rod (6), a connecting plate (9) fixed to the bottom of the movable block (8), and guide rods (10) equidistantly distributed at the bottom of the connecting plate (9). The cutting mechanism (4) comprises a mounting frame ( 11), an infrared sensor (14) mounted on the top of the outer wall of one side of the mounting frame (11), a guide plate (15) fixed to the bottom of the outer wall of one side of the mounting frame (11), a cylinder (16) fixed to the top of the mounting frame (11), and a cutting assembly (17) fixed to the bottom of the cylinder (16), wherein the cutting assembly (17) comprises a mounting plate (18), a movable rod (19) plugged and movably connected to the two ends of the top of the mounting plate (18), a telescopic spring (20) sleeved and movably connected to the rod wall of the movable rod (19), a pressure frame (21) screwed to the bottom end of the movable rod (19), and a cutter (22) fixed to the bottom of the mounting plate (18).

2. A punching device for automobile seals according to claim 1, characterized in that: The bottom of the fixing frame (5) is connected and fixed to the top of the bottom plate (1), and the servo motor (7) is installed on the top of the outer wall at one end of the fixing frame (5).

3. A punching device for automobile seals according to claim 1, characterized in that: A screw hole matched with the bidirectional screw rod (6) is provided on one side outer wall of the movable block (8), and the movable block (8) and the fixed frame (5) form a sliding fit.

4. A punching device for automobile seals according to claim 1, characterized in that: The top end of the guide rod (10) is rotatably connected to the bottom of the connecting plate (9), and the bottom end of the guide rod (10) is close to the top of the conveyor belt (2).

5. The punching device for automobile seals according to claim 1, characterized in that: Insertion rods (13) are fixed at both ends of the bottom of the mounting frame (11), and slots matching the insertion rods (13) are provided on both sides of the top of the bottom plate (1).

6. The punching device for automobile seals according to claim 1, characterized in that: A controller (12) is installed on the top of the outer wall at one end of the mounting frame (11), and the conveyor belt (2), the servo motor (7), the infrared sensor (14) and the cylinder (16) are all electrically connected to the controller (12).

7. A punching device for automobile seals according to claim 1, characterized in that: A groove is provided at the bottom of the mounting frame (11), and the groove is adapted to the bottom of the cutting knife (22).