Welding device for automobile brake shoe production

Abstract

The utility model discloses a welding device for automobile brake shoe production, which relates to the technical field of brake shoe production and comprises a machining table, and a welding component is arranged in the center of the top of the machining table. The fine adjustment device further comprises a fine adjustment assembly, and the fine adjustment assembly comprises protective covers symmetrically arranged at the top of the machining table, fine adjustment shafts rotationally arranged in the protective covers, driven gears arranged on the outer sides of the fine adjustment shafts in a sleeving mode and sector gears arranged at the bottoms of the driven gears in a meshed mode. When the sector gear rotates by a circle, the driven gear can be driven to rotate by a certain distance, and the welding positions of the arc-shaped plate and the reinforcing rib can be intermittently and finely adjusted in the circular rotation process of the sector gear, so that the welding work is smoothly carried out, the operation burden of workers is reduced, the production efficiency is improved, and the production cost is reduced. And in the adjusting process, the welding position is not prone to deviation, and the welding effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of brake shoe production, in particular to a welding device for automobile brake shoe production. Background Art

[0002] The brake shoe is composed of an arc-shaped shoe cover, vertical ribs and a friction plate bonded to the cover. During its production process, the arc-shaped plate and the reinforcement ribs need to be welded together using welding equipment.

[0003] The Chinese patent authorization announcement number is CN207534231U, and its name is a brake shoe automatic welding device, which includes a longitudinal moving part, a rotating part, a positioning part and a transverse moving part. The positioning part includes a base plate, two arc-shaped plates symmetrically fixed on the base plate, a positioning block arranged on the inner side of the arc-shaped plate, a cylinder symmetrically installed on the base plate and an arc-shaped block arranged on the output shaft of the cylinder; the transverse moving part includes a moving platform, a slide rail fixed on the moving platform, a sliding block slidably connected to the slide rail, a fixed plate arranged on the sliding block, a moving rack fixedly installed on the moving platform, a transverse moving group arranged on the fixed plate and a transverse moving gear installed on the output shaft of the transverse moving group; the transverse moving gear is meshed with the moving rack; the base plate is installed on the fixed plate, and a rotary welding method is adopted, which has a fast welding speed and high welding efficiency, and the simultaneous use of two sets of positioning parts can improve work efficiency;

[0004] The shortcomings of the above-mentioned existing technical solutions are: although the above-mentioned solution adopts the method of rotary welding and performs processing alternately to improve the welding efficiency, the arc plate has a certain curvature. When welding with the reinforcing ribs, the staff needs to constantly adjust the welding position, which undoubtedly increases the operating burden of the staff and reduces production efficiency. In addition, during the adjustment process, the welding position may be offset, affecting the welding effect. Utility Model Content

[0005] The utility model aims to provide a welding device for automobile brake shoe production to solve the technical problems mentioned in the above background technology.

[0006] The technical problem to be solved by the utility model can be achieved through the following technical solutions:

[0007] A welding device for producing automobile brake shoes comprises a processing table, wherein a welding assembly is arranged at the center of the top of the processing table;

[0008] It also includes a fine-tuning assembly, which includes a protective cover symmetrically arranged on the top of the processing table, a fine-tuning shaft rotatably arranged inside the protective cover, a driven gear sleeved on the outside of the fine-tuning shaft, and a fan-shaped gear meshingly arranged at the bottom of the driven gear;

[0009] The clamping assembly includes a fixed plate arranged on one side of the protective cover, a top plate arranged on the top of one side of the fixed plate, a handle rotatably arranged on the inner side of the top plate, a clamping plate rotatably arranged on the bottom end of the handle, a side box arranged on the bottom of one side of the fixed plate, a plurality of groups of telescopic shafts arranged inside the side box, a top block arranged at the top end of the telescopic shaft and a spring sleeved on the outside of the telescopic shaft.

[0010] As a further solution of the utility model: the fixing plate is connected to one end of the fine-tuning shaft, the bottom of the clamping plate is convex downward, and the top of the top block is concave downward.

[0011] As a further solution of the utility model: the welding assembly includes a lifting frame arranged between the protective covers, slide grooves symmetrically opened on both sides of the lifting frame, a lifting screw rod rotatably arranged on the inner side of the lifting frame, a bearing seat sleeved on the outer side of the lifting screw rod, a cylinder arranged on the top of the bearing seat and a welding gun sleeved on one end of the cylinder.

[0012] As a further solution of the utility model: the top end of the lifting screw rod passes through the top of the lifting frame and is provided with a hand wheel, and the bearing seat is slidably arranged inside the sliding groove.

[0013] As a further solution of the utility model: reserved grooves are symmetrically provided on both sides of the top of the processing table, and the reserved grooves are located on the outside of the sector gear.

[0014] As a further solution of the utility model: a support frame is arranged inside the processing table, a double-headed motor is arranged on the top of the support frame, rotating rods are arranged at both ends of the double-headed motor, and one end of the rotating rod is connected to the sector gear.

[0015] Beneficial effects of the utility model:

[0016] 1. When welding, the utility model can drive the driven gear to rotate a certain distance when the fan gear rotates one circle by setting the mutually matching driven gear and fan gear. During the cyclic rotation of the fan gear, the welding position of the arc plate and the reinforcing rib can be intermittently fine-tuned, thereby ensuring the smooth progress of the welding work, reducing the operating burden of the staff, and improving the production efficiency. In addition, during the adjustment process, the welding position is not easy to be offset, which further improves the welding effect;

[0017] 2. The utility model provides several groups of telescopic shafts and springs to clamp the arc plate, and the telescopic shafts and springs in different areas shrink and deform to different degrees, forming an adaptive fit with the bottom of the arc plate, thereby clamping arc plates with different curvatures. The device is more flexible, further expanding the scope of use of the device and providing great convenience for welding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the whole device in the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the clamping assembly in the utility model;

[0020] Figure 3 It is a schematic diagram of the overall structure of the device in the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the fine-tuning component in the utility model.

[0022] Among them: 1. Processing table; 2. Lifting frame; 3. Slide; 4. Lifting screw; 5. Bearing seat; 6. Cylinder; 7. Welding gun; 8. Reserved slot; 9. Protective cover; 10. Fine-tuning shaft; 11. Driven gear; 12. Fan gear; 13. Support frame; 14. Double-headed motor; 15. Turning rod; 16. Fixed plate; 17. Top plate; 18. Turning handle; 19. Clamp; 20. Side box; 21. Telescopic shaft; 22. Top block; 23. Spring. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] like Figure 1-4 As shown, a welding device for automobile brake shoe production includes a processing table 1, a welding assembly is arranged at the top center of the processing table 1, and the welding assembly includes a lifting frame 2 arranged between the protective covers 9, a slide groove 3 symmetrically opened on both sides of the lifting frame 2, a lifting screw rod 4 rotatably arranged on the inner side of the lifting frame 2, the top end of the lifting screw rod 4 passes through the top of the lifting frame 2 and is provided with a hand wheel, a bearing seat 5 sleeved on the outer side of the lifting screw rod 4, the bearing seat 5 is slidably arranged inside the slide groove 3, a cylinder 6 arranged on the top of the bearing seat 5 and a welding gun 7 sleeved on one end of the cylinder 6. When welding the arc plate and the reinforcing rib in the brake shoe, the height of the welding gun 7 can be adjusted by rotating the lifting screw rod 4 to drive the bearing seat 5 to lift and lower, and then the cylinder 6 is used to drive the welding gun 7 to move in the horizontal direction, thereby adjusting the welding gun 7 to a suitable processing point, which is convenient for welding operation.

[0025] The machine tool also includes a fine-tuning assembly, which includes a protective cover 9 symmetrically arranged on the top of the processing table 1, a fine-tuning shaft 10 rotatably arranged inside the protective cover 9, a driven gear 11 sleeved on the outside of the fine-tuning shaft 10, and a fan gear 12 meshingly arranged at the bottom of the driven gear 11, and a regional meshing is formed between the fan gear 12 and the driven gear 11. The fan gear 12 rotates one circle to drive the driven gear 11 to rotate a certain distance, thereby driving the fine-tuning shaft 10 to rotate through the driven gear 11, and the fine-tuning shaft 10 can drive the fixed plate 16 to deflect at a certain angle, so that the welding position of the arc plate and the reinforcing rib can be intermittently adjusted during the welding process, thereby ensuring the smooth progress of the welding work;

[0026] The clamping assembly includes a fixed plate 16 arranged on one side of the protective cover 9, the fixed plate 16 is connected to one end of the fine-tuning shaft 10, a top plate 17 arranged on the top of one side of the fixed plate 16, a handle 18 rotatably arranged on the inner side of the top plate 17, a clamping plate 19 rotatably arranged at the bottom end of the handle 18, the bottom of the clamping plate 19 protrudes downward, a side box 20 arranged on the bottom of one side of the fixed plate 16, a plurality of groups of telescopic shafts 21 arranged inside the side box 20, a top block 22 arranged at the top of the telescopic shaft 21, the top of the top block 22 is concave downward, and is sleeved on The spring 23 on the outside of the telescopic shaft 21 can be used to weld the arc plate and the reinforcing ribs by first placing the arc plate with the welding surface facing upward on the top block 22, and then placing the reinforcing ribs on the arc plate. The handle 18 is turned to drive the clamping plate 19 to move downward, so as to clamp the reinforcing ribs and the arc plate. During the clamping process, the arc plate presses the telescopic shaft 21 and the spring 23 downward, causing the two to deform accordingly. Thus, the elastic force of the spring 23 and the clamping plate 19 can be used to uniformly clamp the arc plate, thereby ensuring the stability of the reinforcing ribs and the arc plate during welding.

[0027] In this embodiment, specifically, reserved grooves 8 are symmetrically opened on both sides of the top of the processing table 1, and the reserved grooves 8 are located on the outside of the sector gear 12. The reserved grooves 8 provide sufficient space for the movement of the sector gear 12, ensuring the smooth rotation of the sector gear 12.

[0028] In the present embodiment, specifically, a support frame 13 is provided inside the processing table 1, a double-headed motor 14 is provided on the top of the support frame 13, rotating rods 15 are provided at both ends of the double-headed motor 14, and one end of the rotating rod 15 is connected to the fan gear 12. The support frame 13 supports the double-headed motor 14, thereby ensuring the stability of the double-headed motor 14 when in use. The rotating rod 15 is driven to rotate by the double-headed motor 14, thereby driving the fan gear 12 to rotate, so that the fan gear 12 periodically drives the driven gear 11 to rotate.

[0029] Working principle of the utility model: when the device is used, firstly, the arc plate to be welded is placed on the top block 22 with the surface facing upward, then the reinforcing ribs are placed on the arc plate, the turning handle 18 is turned to drive the clamping plate 19 to move downward, and the reinforcing ribs and the arc plate are clamped by the extrusion telescopic shaft 21 and the spring 23, and then the lifting screw rod 4 is turned to adjust the height of the welding gun 7, and the cylinder 6 is started to adjust the horizontal direction of the welding gun 7, thereby adjusting the welding gun 7 to a suitable processing point for welding;

[0030] During the welding process, the double-headed motor 1 drives the sector gear 12 to rotate, thereby driving the driven gear 11 to rotate intermittently, thereby deflecting the fixed plate 16 by a certain angle, and the welding position of the arc plate and the reinforcing rib can be adjusted during the welding process.

[0031] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A welding device for automobile brake shoe production, comprising a processing table (1), wherein a welding assembly is arranged at the top center of the processing table (1); characterized in that: The machine also comprises a fine-tuning assembly, the fine-tuning assembly comprising a protective cover (9) symmetrically arranged on the top of the processing table (1), a fine-tuning shaft (10) rotatably arranged inside the protective cover (9), a driven gear (11) sleeved on the outside of the fine-tuning shaft (10), and a sector gear (12) meshingly arranged at the bottom of the driven gear (11); A clamping assembly, the clamping assembly comprising a fixed plate (16) arranged on one side of a protective cover (9), a top plate (17) arranged on the top of one side of the fixed plate (16), a rotating handle (18) rotatably arranged on the inner side of the top plate (17), a clamping plate (19) rotatably arranged on the bottom end of the rotating handle (18), a side box (20) arranged on the bottom of one side of the fixed plate (16), a plurality of groups of telescopic shafts (21) arranged inside the side box (20), a top block (22) arranged on the top end of the telescopic shaft (21), and a spring (23) sleeved on the outer side of the telescopic shaft (21).

2. A welding device for automobile brake shoe production according to claim 1, characterized in that: The fixing plate (16) is connected to one end of the fine-tuning shaft (10), the bottom of the clamping plate (19) is convex downward, and the top of the top block (22) is concave downward.

3. A welding device for automobile brake shoe production according to claim 1, characterized in that: The welding assembly comprises a lifting frame (2) arranged between the protective covers (9), sliding grooves (3) symmetrically arranged on both sides of the lifting frame (2), a lifting screw (4) rotatably arranged on the inner side of the lifting frame (2), a bearing seat (5) sleeved on the outer side of the lifting screw (4), a cylinder (6) arranged on the top of the bearing seat (5), and a welding gun (7) sleeved on one end of the cylinder (6).

4. A welding device for automobile brake shoe production according to claim 3, characterized in that: The top end of the lifting screw rod (4) passes through the top of the lifting frame (2) and is provided with a hand wheel, and the bearing seat (5) is slidably arranged inside the slide groove (3).

5. A welding device for automobile brake shoe production according to claim 1, characterized in that: Reserved grooves (8) are symmetrically provided on both sides of the top of the processing table (1), and the reserved grooves (8) are located on the outside of the sector gear (12).

6. A welding device for automobile brake shoe production according to claim 5, characterized in that: A support frame (13) is arranged inside the processing table (1), a double-headed motor (14) is arranged on the top of the support frame (13), rotating rods (15) are arranged at both ends of the double-headed motor (14), and one end of the rotating rod (15) is connected to the sector gear (12).

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