Gearbox friction plate pressing tool

By designing a combination of clamping device and pressure relief component, the problems of leveling and pressure relief in the assembly of gearbox friction plates were solved, achieving stable clamping of friction plates and improving assembly quality.

CN223572437UActive Publication Date: 2025-11-21WUXI XIYU PRECISION MASCH TECH CO LTD
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Patent Information

Application Number
CN202423264738.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-21
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing gearbox friction plate clamping fixtures have difficulty achieving uniform leveling and gradual clamping of the friction plates during assembly, resulting in poor clamping effect.

Method used

A gearbox friction plate clamping fixture was designed, which includes a clamping device, a flattening component, and a pressure-relieving component. By combining inner and outer flattening strips and pressure-relieving springs, the friction plate is leveled and gently clamped, ensuring that the friction plate maintains a stable and precise position during assembly.

Benefits of technology

This effectively avoids deformation and misalignment of the friction pads and instantaneous stress, improving the clamping effect and assembly quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gearbox friction plate pressing tool which comprises a pressing device, a flattening assembly and a pressure buffering assembly. The pressing device comprises a pressing barrel on the lower portion and an air cylinder movably installed on the top of the pressing barrel. According to the gearbox friction plate pressing tool, the inner pressing strip and the outer pressing strip which are arranged and installed on the inner side and the outer side of the pressing plate at the bottom of the pressing cylinder can firstly press teeth at the inner end of a friction plate and a gear ring at the outer end of the friction plate before the friction plate assembled in a gearbox is pressed by the pressing plate, so that leveling is carried out before the friction plate is pressed, and the friction plate can be conveniently pressed. Meanwhile, the pressure buffering spring installed at the bottom of the air cylinder in the pressure cylinder can buffer the pressure of the friction plate through the downward pressure in the pressing process of the pressure buffering spring in the pressing process of the friction plate after the friction plate is assembled, and therefore the friction plate is prevented from deforming and misplacing in the pressing process of the friction plate after the friction plate is assembled. Therefore, the friction plate is prevented from being stressed instantly when pressed, uniform stress during pressing is guaranteed, and the pressing effect of the friction plate is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to friction plate assembly technical field, concretely is a gearbox friction plate compression tool. BACKGROUND

[0002] The gearbox friction plate compression tool is an important tool to ensure that the gearbox friction plate can keep stable and accurate position during assembly, and the tool is usually designed for automatic or semi-automatic assembly line to improve production efficiency and assembly quality.

[0003] The existing gearbox friction plate compression tool is inconvenient to improve the compression effect by uniform leveling and positioning and slow compression of the friction plate before compression after the assembly of the friction plate in the gearbox is completed, and thus the compression effect is poor, and therefore the gearbox friction plate compression tool is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme that:

[0006] A gearbox friction plate compression tool, comprising: a compression device, a flattening assembly, and a slow compression assembly; the compression device comprises a lower compression cylinder, a cylinder movably mounted on the top of the compression cylinder, and a fixed seat fixedly mounted on the outer end of the cylinder; the flattening assembly comprises a compression disc fixedly mounted on the bottom of the compression cylinder, an inner sliding groove and an outer sliding groove respectively arranged on the inner and outer ends of the compression disc and the compression cylinder, an inner flattening strip and an outer flattening strip respectively movably mounted in the inner sliding groove and the outer sliding groove, a restraint cavity formed in the lower part of the compression cylinder, and a connecting ring fixedly mounted on the top of the inner flattening strip and the outer flattening strip; and the slow compression assembly comprises a clamping groove formed in the upper part of the compression cylinder, a mounting hole formed in the lower part of the cylinder, and a slow compression spring fixedly mounted in the mounting hole.

[0007] Preferably, the top of the restraint cavity is further fixedly provided with a positioning seat, and the side section of the positioning seat is in the shape of an inverted U.

[0008] Preferably, a plurality of first springs are fixedly arranged in the positioning seat.

[0009] Preferably, the restraint cavity, the connecting ring, and the positioning seat are all in the structure of a circular ring.

[0010] Preferably, clamping blocks are fixedly mounted on both sides of the lower part of the cylinder, and the clamping blocks are clamped in the clamping groove.

[0011] By adopting the above technical scheme, the utility model has the beneficial effects that:

[0012] 1. In the utility model, the inner pressure flat strip and the outer pressure flat strip arranged and installed inside and outside the pressure disc at the bottom of the compression cylinder can first compress the teeth at the inner end and the tooth ring at the outer end of the friction plate before the pressure disc compresses the friction plate assembled in the gearbox, so that the friction plate is leveled before being compressed, to ensure that the friction plate is in a flat state when being compressed, and to avoid deformation and misplacement of the friction plate during compression after being assembled.

[0013] 2. In the utility model, the slow compression spring installed at the bottom of the cylinder in the compression cylinder can also slow down the compression of the friction plate during compression after being assembled, by the downward pressure of the slow compression spring, to avoid instantaneous stress of the friction plate during compression, so as to ensure uniform stress during compression, and to improve the compression effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure diagram of the utility model;

[0015] Figure 2 It is another perspective view of the utility model;

[0016] Figure 3 It is a side sectional view of the utility model Figure 2 It is an enlarged view of A in the utility model;

[0017] Figure 4 It is a side sectional view of the utility model;

[0018] Figure 5 It is an enlarged view of B in the utility model. Figure 4

[0019] Reference signs:

[0020] 100, compression device; 101, compression cylinder; 102, cylinder; 103, fixed seat;

[0021] 200, flattening assembly; 201, pressure disc; 202, inner sliding groove; 203, outer sliding groove; 204, inner pressure flat strip; 205, outer pressure flat strip; 206, restraint cavity; 207, connecting ring; 208, positioning seat; 209, first spring; 300, slow compression assembly; 301, clamping groove; 302, mounting hole; 303, slow compression spring; 304, clamping block. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below in combination with specific implementation manners and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0023] Some embodiments of the utility model are described below in combination with the drawings to provide a gearbox friction plate compression tool. ​

[0024] Example 1:

[0025] Combination Figures 1-5 As shown, the present invention provides a gearbox friction plate clamping fixture, comprising: a clamping device 100, a flattening assembly 200, and a pressure-relieving assembly 300; the clamping device 100 includes a lower clamping cylinder 101, a cylinder 102 movably mounted on the top of the clamping cylinder 101, and a fixing seat 103 fixedly mounted on the outer end of the cylinder 102; the flattening assembly 200 includes a clamping plate 201 fixedly mounted on the bottom of the clamping cylinder 101, and inner and outer sliding grooves 202 and 203 respectively arranged on the inner and outer ends of the clamping plate 201 and the clamping cylinder 101. The inner pressure bar 204 and the outer pressure bar 205 are movably installed in the outer slide groove 202 and the outer slide groove 203 respectively. The binding cavity 206 is opened in the lower part of the pressure cylinder 101. The connecting ring 207 is fixedly installed on the top of the inner pressure bar 204 and the outer pressure bar 205. The top of the binding cavity 206 is also fixedly installed with a positioning seat 208. The side section of the positioning seat 208 is inverted U-shaped. Multiple sets of first springs 209 are also arranged and fixedly installed in the positioning seat 208. The binding cavity 206, the connecting ring 207 and the positioning seat 208 are all circular ring structures.

[0026] Specifically, the gearbox friction plate clamping fixture is an important tool to ensure that the gearbox friction plates maintain a stable and precise position during assembly. This fixture is typically designed for automated or semi-automated assembly lines. In this clamping device 100, the inner pressure bar 204 and outer pressure bar 205, arranged on the inner and outer sides of the pressure plate 201 at the bottom of the pressure cylinder 101, can uniformly press the teeth at the inner end and the toothed ring at the outer end of the friction plate before the pressure plate 201 presses it against the friction plate assembled inside the gearbox. This pre-leveling process ensures the friction plate is properly aligned before pressing. When the friction pad is pressed, it is in a flat state, thus avoiding deformation and misalignment during the pressing process after the friction pad is assembled. The positioning seat 208 fixedly installed in the binding cavity 206 is mainly used to position the inner pressure flat bar 204 and the outer pressure flat bar 205 to press the friction pad, so that the inner pressure flat bar 204 and the outer pressure flat bar 205 are kept flush with the bottom of the pressure plate 201 when the pressure plate 201 presses the friction pad. Multiple sets of first springs 209 are arranged and fixedly installed in the positioning seat 208, mainly used to provide pressure for the inner pressure flat bar 204 and the outer pressure flat bar 205 to press the friction pad during leveling.

[0027] Example 2:

[0028] Combination Figure 4 As shown, based on Embodiment 1, the pressure relief component 300 includes a slot 301 opened in the upper part of the pressure cylinder 101, a mounting hole 302 opened in the lower part of the cylinder 102, a pressure relief spring 303 fixedly installed in the mounting hole 302, and a locking block 304 fixedly installed on both sides of the lower part of the cylinder 102, and the locking block 304 is bound in the slot 301.

[0029] Specific, the cylinder 102 bottom of the compression cylinder 101 installed in the buffer spring 303, also can be in the friction plate assembly after the compression, first through the buffer spring 303 compression in the downward pressure and slowly pressurize the friction plate, to avoid the instantaneous force when the friction plate is pressed tightly, so as to ensure that the stress is uniform in the compression, and then improve its compression effect, the cylinder 102 bottom of the two sides of the clamping groove 301 in the clamping block 304, mainly used for the restraint of the compression cylinder 101 position, to prevent its rotation in the compression.

[0030] The working principle and use process of the utility model:

[0031] After the friction plate assembly in the gearbox, the cylinder 102 on the upper end of the fixed seat 103 will start to drive the bottom compression cylinder 101 to move down, the compression cylinder 101 moves down, the first through the inner and outer pressure flat strip 204 and 205 in the pressure plate 201 to compress the upper end of the friction plate assembled, the inner and outer pressure flat strip 204 and 205 are compressed on the upper end of the friction plate, and the teeth on the inner end and the upper part of the tooth ring on the outer end of the friction plate are arranged, and in the compression cylinder 101 moves down, through the elastic force of the first spring 209 compression, the friction plate is uniformly compressed to make it in a flat state, after the inner and outer pressure flat strip 204 and 205 are compressed and recovered to the bottom of the pressure plate 201, the pressure plate 201 will press the friction plate, with the work of the cylinder 102, it will compress the buffer spring 303 between the compression cylinder 102 and the compression cylinder 101, and then through the elastic force of the buffer spring 303, the friction plate after the compression of the pressure plate 201 is slowly compressed, to ensure the uniform stress of the friction plate, after the buffer spring 303 is compressed to the inside of the mounting hole 302, the cylinder 102 will directly compress the friction plate after the assembly through the pressure plate 201, to ensure its good compression effect.

[0032] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A gearbox friction plate press-on tool, characterized by, Include: Compression device (100), flat assembly (200), slow compression assembly (300); Compression device (100) includes lower compression cylinder (101), cylinder (102) top movable mounting, cylinder (102) outer end fixed mounting of fixed seat (103); Flat assembly (200) includes compression cylinder (101) bottom fixed mounting of compression disc (201), compression disc (201) and compression cylinder (101) inside and outside end respectively arranged opening of inner slide groove (202) and outer slide groove (203), inner slide groove (202) and outer slide groove (203) respectively movable mounting of inner flat bar (204) and outer flat bar (205), compression cylinder (101) inside lower part opening of restraint cavity (206), inner flat bar (204) and outer flat bar (205) top fixed mounting of connecting ring (207); Slow compression assembly (300) includes compression cylinder (101) inside upper part opening of clamping groove (301), cylinder (102) lower part opening of mounting hole (302), mounting hole (302) fixed mounting of slow compression spring (303).

2. The gearbox friction plate pressing tool according to claim 1, characterized in that, The top of the restraint cavity (206) is also fixedly installed with a positioning seat (208), and the side section of the positioning seat (208) is inverted U-shaped.

3. The gearbox friction plate pressing tool according to claim 2, characterized in that, A plurality of first springs (209) are also arranged and fixedly installed in the positioning seat (208).

4. The gearbox friction plate pressing tool according to claim 1, characterized in that, The restraint cavity (206), the connecting ring (207) and the positioning seat (208) are all circular ring structures.

5. The gearbox friction plate pressing tool according to claim 1, characterized in that, The lower part of the cylinder (102) is also fixedly installed with a clamping block (304) on both sides, and the clamping block (304) is restrained in the clamping groove (301).