Cutting tool for bag skin for air suspension

By designing a cutting tool for air suspension bladder, using guide rail guide and displacement sensors to achieve accurate cutting of bladder, the problems of inefficiency and low accuracy in the prior art are solved, and the consistency of cutting surfaces and installation accuracy are improved.

CN223084955UActive Publication Date: 2025-07-11普莱德汽车科技(苏州)有限公司
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Patent Information

Application Number
CN202422243570.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-07-11
Estimated Expiration
2034-09-13

AI Technical Summary

Technical Problem

In the prior art, the cutting of air suspension bladders has problems such as low efficiency and low cutting accuracy, resulting in low installation accuracy and the consistency of the cutting surface cannot be guaranteed.

Method used

A cutting tool including a frame, mounting part, drive part and cutting part is designed to achieve accurate cutting of the bladder through guide rails and displacement sensors, and the cutting length and speed are controlled in combination with an electronic control system.

Benefits of technology

It realizes accurate and stable cutting of the bladder, improves cutting efficiency and consistency of the cutting surface, and ensures installation accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223084955U_ABST
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Abstract

The utility model discloses a cutting tool for a bag skin for an air suspension. The bearing support and the movable support are fixedly installed on the middle installation face, one end of the bag shell installation shaft is rotationally connected to the bearing support, the front end supporting ring and the rear end supporting ring are arranged on the bag shell installation shaft in a sleeving mode, the driving motor is installed on the lower installation face, and the speed reducer is installed on the middle installation face. The belt pulley assembly is connected between the output end of the driving motor and the input end of the speed reducer; the first guide rail is parallel to the bag skin mounting shaft and is arranged on the middle mounting surface; the sliding frame is connected to the first guide rail in a sliding manner; the second guide rail is fixed to the sliding frame and is perpendicular to the first guide rail; and the cutting blade is arranged on the knife rest. The bag skin cutting tool realizes accurate and stable cutter movement through a guide rail of a cutting part; meanwhile, the rotating speed of the bag skin can be adjusted to guarantee cutting efficiency; and the accurate adjustment of the length size of the capsule skin can be realized through the displacement sensor.
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Description

Technical Field

[0001] The utility model belongs to the field of air spring manufacturing devices, in particular to a cutting tool for air suspension bladder skins. Background Art

[0002] Before making an air spring, the bladder skin needs to be cut. It is necessary to ensure the consistency and accuracy of each cutting of the bladder skin cutting tool to meet the specification requirements of the air spring bladder skin. At present, there is no ready-made cutting equipment on the market. It can only be cut manually with a cutting knife after manually measuring the required cutting length. This cutting method is not only inefficient, but also cannot guarantee cutting accuracy. In particular, there will be ups and downs on the cutting surface. When installing the bladder skin, there are problems such as low installation accuracy and the inability to align the hoop that fixes the bladder skin. Summary of the invention

[0003] The utility model aims to provide a cutting tool for cutting a bladder skin for an air suspension stably and accurately.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solution: a cutting tool for air suspension bladder skin, which includes a frame, a mounting portion mounted on the frame, a driving portion for driving the mounting portion to rotate, and a cutting portion provided on one side of the mounting portion and used for cutting the bladder skin when the mounting portion rotates, and an electric control cabinet, characterized in that:

[0005] The frame is provided with a middle mounting surface, the mounting portion comprises a bearing bracket and a movable bracket fixedly mounted on the middle mounting surface, a bladder skin mounting shaft with one end rotatably connected to the bearing bracket, a front end support ring and a rear end support ring sleeved on the bladder skin mounting shaft, and the movable bracket is detachably connected to the other end of the bladder skin mounting shaft;

[0006] The frame is provided with a lower mounting surface located below the middle mounting surface, the driving part comprises a driving motor mounted on the lower mounting surface, a reducer mounted on the middle mounting surface, and a pulley assembly connected between the output end of the driving motor and the input end of the reducer, and the output end of the reducer is coaxially fixedly connected to the bag skin mounting shaft;

[0007] The cutting part includes a first guide rail arranged on the middle mounting surface parallel to the bag skin mounting axis, a sliding frame slidably connected to the first guide rail, a second guide rail fixed on the sliding frame and perpendicular to the first guide rail, a knife holder slidably connected to the second guide rail, and a cutting blade installed on the knife holder.

[0008] In another embodiment, a first bearing is provided on the bearing bracket, and one end of the bladder skin mounting shaft is fixedly inserted into the first bearing.

[0009] In another embodiment, a displacement sensor for measuring the cutting length of the capsule skin is installed on the sliding carriage.

[0010] In another embodiment, the movable bracket includes a U-shaped movable bracket base fixed on the middle mounting surface, a movable rotating shaft fixed on the movable bracket base, and a movable locking block rotatably connected to the movable rotating shaft. The movable rotating shaft is parallel to the capsule skin mounting shaft. The movable locking block can move along the movable rotating shaft, and a limiting hole is provided on the movable locking block. After the capsule skin is sleeved on the front support ring and the rear support ring, the limiting hole is aligned with the other end of the capsule skin mounting shaft, and then the movable locking block is moved towards the capsule skin mounting shaft so that the movable locking block is sleeved on the capsule skin mounting shaft. Both ends of the capsule skin mounting shaft are rotatably connected to the bearing bracket and the movable bracket respectively.

[0011] In another embodiment, a second bearing is provided in the limiting hole, and the other end of the capsule skin mounting shaft passes through the second bearing.

[0012] In another embodiment, a guiding groove with a large belly and a small mouth is provided on the second guide rail. A guiding block matching the guiding groove is formed at the lower end of the tool holder. The guiding block slides in the guiding groove and the degree of freedom in the up and down direction is restricted.

[0013] In another embodiment, a relief groove extending vertically and penetrating up and down in the direction perpendicular to the capsule skin mounting shaft is formed at the bottom of the guiding groove. An extension plate extending out of the relief groove is connected to the lower end of the guiding block. A rack parallel to the second guide rail is provided on the extension plate. The cutting part includes a driving handle rotatably connected to the side wall of the second guide rail and a driving gear fixedly sleeved on the driving handle. The driving gear meshes with the rack. Rotating the driving handle can drive the rack, the tool holder, and the cutting knife to move along the second guide rail.

[0014] In another embodiment, a top mounting surface is provided on the machine frame above the middle mounting surface. The cutting tooling includes a lighting lamp installed on the top mounting surface.

[0015] The beneficial effects of the present utility model are as follows: The capsule skin cutting tooling realizes precise and stable movement of the cutting tool through the guide rail of the cutting part; at the same time, the rotation speed of the capsule skin can be adjusted to ensure the cutting efficiency; and the precise adjustment of the length dimension of the capsule skin can also be realized through the displacement sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view of the present utility model;

[0017] Figure 2 is the left view of the present utility model;

[0018] Figure 3 is Figure 2 a partial view at location A in

[0019] Figure 4 a schematic structural view of a movable support. Specific embodiments

[0020] The following provides a detailed description of the present utility model in conjunction with the embodiments shown in the accompanying drawings:

[0021] As Figure 1-2 shown, the cutting tool for the bladder skin of an air suspension includes a frame 9, a mounting portion 1 mounted on the frame 9, a driving portion 2 for driving the mounting portion 1 to rotate, a cutting portion 3 provided on one side of the mounting portion 1 and used for cutting the bladder skin when the mounting portion 1 rotates, a lighting lamp 4, and an electric control cabinet 5. The frame 9 is provided with a middle mounting surface 92, a lower mounting surface 93 located below the middle mounting surface 92, and a top mounting surface 91 located above the middle mounting surface 92. The lighting lamp 4 is mounted on the top mounting surface 91.

[0022] The mounting portion 1 includes a bearing bracket 11 and a movable support 12 fixedly mounted on the middle mounting surface 92, a bladder skin mounting shaft 13 rotatably connected at one end to the bearing bracket 11, a front support ring 15 and a rear support ring 16 sleeved on the bladder skin mounting shaft 13. The bearing bracket 11 is provided with a first bearing 17, and one end of the bladder skin mounting shaft 13 is fixedly inserted into the first bearing 17. The movable support 12 is detachably connected to the other end of the bladder skin mounting shaft 13; as Figure 4 shown, the movable support 12 includes a movable support base 121 fixed on the middle mounting surface 92 and in a U shape, a movable rotating shaft 122 fixed on the movable support base 121, and a movable locking block 123 rotatably connected to the movable rotating shaft 122. The movable rotating shaft 122 is parallel to the bladder skin mounting shaft 13. The movable locking block 123 can move along the movable rotating shaft 122, and a limiting hole 124 is provided on the movable locking block 123. After the bladder skin 0 is sleeved on the front support ring 15 and the rear support ring 16, after aligning the limiting hole 124 with the other end of the bladder skin mounting shaft 13, the movable locking block 123 is moved towards the bladder skin mounting shaft 13 so that the movable locking block 123 is sleeved on the bladder skin mounting shaft 13. Both ends of the bladder skin mounting shaft 13 are rotatably connected to the bearing bracket 11 and the movable support 12 respectively. A second bearing 125 is provided in the limiting hole 124, and the other end of the bladder skin mounting shaft 13 is inserted into the second bearing 125.

[0023] The driving portion 2 includes a driving motor 21 mounted on the lower mounting surface 93, a speed reducer 22 mounted on the middle mounting surface 92, and a pulley assembly 23 drivingly connected between the output end of the driving motor 21 and the input end of the speed reducer 22. The output end 221 of the speed reducer 22 is fixedly connected coaxially with the bladder skin mounting shaft 23.

[0024] The cutting part 3 includes a first guide rail 31 disposed on the middle mounting surface 92 parallel to the capsule skin mounting shaft 13, a sliding carriage 33 slidably connected to the first guide rail 31, a second guide rail 32 fixed to the sliding carriage 33 and perpendicular to the first guide rail 31, a tool holder 34 slidably connected to the second guide rail 32, a cutting blade 35 mounted on the tool holder 34, and a displacement sensor 36 for measuring the cutting length of the capsule skin is mounted on the sliding carriage 33. As Figure 3 shown, a guiding groove 37 with a large belly and a small mouth is provided on the second guide rail 32, and a guiding block 312 matching the guiding groove 37 is formed at the lower end of the tool holder 34. The guiding block 312 slides in the guiding groove 37 and the degree of freedom in the up and down direction is restricted. A relief groove 38 extending vertically through and perpendicular to the direction of the capsule skin mounting shaft 13 is formed at the bottom of the guiding groove 37. An extension plate 39 extending from the relief groove 38 is connected to the lower end of the guiding block, and a rack 30 parallel to the second guide rail 32 is provided on the extension plate 39. The cutting part 3 includes a driving handle 311 rotatably connected to the side wall of the second guide rail 32 and a driving gear 310 fixedly sleeved on the driving handle 311. The driving gear 310 meshes with the rack 30, and rotating the driving handle 311 can drive the rack 30, the tool holder 34, and the cutting tool to move along the second guide rail 32.

[0025] The electric control cabinet 5 is used to control the rotation speed of the motor of the driving part 2, the switch of the lighting lamp 4, and detect the moving distance of the sliding carriage 33 detected by the displacement sensor 36, so as to determine the length of the cut capsule skin.

[0026] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. It is not intended to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A cutting tool for air suspension bladder skin, comprising a frame, a mounting portion mounted on the frame, a driving portion for driving the mounting portion to rotate, a cutting portion provided on one side of the mounting portion and used for cutting the bladder skin when the mounting portion rotates, and an electric control cabinet, characterized in that: The frame is provided with a middle mounting surface, the mounting portion comprises a bearing bracket and a movable bracket fixedly mounted on the middle mounting surface, a bladder skin mounting shaft with one end rotatably connected to the bearing bracket, a front end support ring and a rear end support ring sleeved on the bladder skin mounting shaft, and the movable bracket is detachably connected to the other end of the bladder skin mounting shaft; The frame is provided with a lower mounting surface located below the middle mounting surface, the driving part comprises a driving motor mounted on the lower mounting surface, a reducer mounted on the middle mounting surface, and a pulley assembly connected between the output end of the driving motor and the input end of the reducer, and the output end of the reducer is coaxially fixedly connected to the bag skin mounting shaft; The cutting part includes a first guide rail arranged on the middle mounting surface parallel to the bag skin mounting axis, a sliding frame slidably connected to the first guide rail, a second guide rail fixed on the sliding frame and perpendicular to the first guide rail, a knife holder slidably connected to the second guide rail, and a cutting blade installed on the knife holder.

2. The cutting tooling for the bladder skin of the air suspension according to claim 1, characterized in that: The bearing bracket is provided with a first bearing, and one end of the bladder skin mounting shaft is fixedly inserted into the first bearing.

3. The cutting tooling for the bladder skin of the air suspension according to claim 1, characterized in that: A displacement sensor for measuring the cutting length of the capsule skin is installed on the sliding frame.

4. The cutting tooling for the bladder skin of the air suspension according to claim 1, characterized in that: The movable bracket includes a U-shaped movable bracket base fixed on the middle mounting surface, a movable rotating shaft fixed on the movable bracket base, and a movable locking block rotatably connected to the movable rotating shaft. The movable rotating shaft is parallel to the bladder skin mounting shaft. The movable locking block can move along the movable rotating shaft and a limiting hole is provided on the movable locking block. When the bladder skin is mounted on the front end support ring and the rear end support ring, the limiting hole is aligned with the other end of the bladder skin mounting shaft, and the movable locking block is moved toward the bladder skin mounting shaft so that the movable locking block is mounted on the bladder skin mounting shaft. The two ends of the bladder skin mounting shaft are rotatably connected to the bearing bracket and the movable bracket respectively.

5. The cutting tooling for the bladder skin of the air suspension according to claim 4, characterized in that: A second bearing is arranged in the limiting hole, and the other end of the bladder skin mounting shaft is passed through the second bearing.

6. The cutting tooling for the bladder skin of the air suspension according to claim 1, wherein: The second guide rail is provided with a guide groove with a large belly and a small mouth. The lower end of the tool holder is formed with a guide block matching the guide groove. The guide block slides in the guide groove and the freedom in the up and down directions is restricted.

7. The cutting tooling for the bladder skin of the air suspension according to claim 6, characterized in that: A clearance groove is formed at the bottom of the guide groove, which runs through the upper and lower parts and extends perpendicular to the direction of the bag skin installation axis. An extension plate extending from the clearance groove is connected to the lower end of the guide block, and a rack is provided on the extension plate parallel to the second guide rail. The cutting part includes a driving handle rotatably connected to the side wall of the second guide rail and a driving gear fixedly mounted on the driving handle. The driving gear is meshed with the rack. Rotating the driving handle can drive the rack, the knife holder, and the cutting knife to move along the second guide rail.

8. The cutting tooling for the bladder skin of the air suspension according to claim 1, characterized in that: The frame is provided with a top mounting surface above the middle mounting surface, and the cutting tooling includes a lighting lamp mounted on the top mounting surface.