Brake band bending assembly tool

Abstract

The utility model relates to the technical field of brake supports, in particular to a brake band bending assembly tool. Comprising an assembling bottom plate, an assembling positioning ring, a positioning plate, a connecting lug positioning pin, a manual bending device and a locking positioning device, the assembling bottom plate is of a plane plate-shaped structure, the positioning plate is arranged on the upper surface of the assembling bottom plate, the assembling positioning ring is arranged on the positioning plate in a sleeving mode, and the connecting lug positioning pin is arranged on the assembling bottom plate; the manual bending device is rotationally arranged on the assembly bottom plate, the locking and positioning device is arranged on one side of the assembly bottom plate, and the locking and positioning device is connected with the connecting lug and the positioning pin. According to the tool, the assembly requirements of different products can be rapidly met by simply adjusting or replacing tool parts, and the flexibility and adaptability of a production line are improved. The device is mainly applied to brake band bending assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake support technical field more specifically, relate to a brake belt bending assembly fixture. BACKGROUND

[0002] The existing brake support positioning fixture on the market at present, although solved the positioning problem to some extent, but still have many deficiencies. For example, some clamps when clamping brake support, because design is not reasonable, lead to uneven clamping force, easily cause workpiece deformation, influence machining precision. In addition, some clamps need frequent adjustment in the operation process, not only reduce work efficiency, also increase operation difficulty.

[0003] For the above problems, the industry has been exploring more efficient, stable, easy-to-operate brake support positioning fixture. In recent years, with the continuous progress of mechanical processing technology and the improvement of intelligent level, the design of the fixture also develops towards more precise and intelligent direction. However, the existing fixture still needs to be improved in adapting to different specifications of brake support, improving positioning accuracy and simplifying operation process. UTILITY MODEL CONTENT

[0004] In order to overcome the deficiencies in the prior art, the utility model provides a brake belt bending assembly fixture. The positioning fixture has high precision, high stability, easy operation and can adapt to the positioning of brake support of different specifications. It is of great significance to improve the machining quality and production efficiency of brake support.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] A brake belt bending assembly fixture, comprising an assembly base plate, an assembly positioning ring, a positioning plate, a connecting lug positioning pin, a manual bending device and a locking positioning device, the assembly base plate adopts a planar plate structure, the positioning plate is arranged on the upper surface of the assembly base plate, the assembly positioning ring is sleeved on the positioning plate, the connecting lug positioning pin is arranged on the assembly base plate, the manual bending device is rotatably arranged on the assembly base plate, the locking positioning device is arranged on one side of the assembly base plate, and the locking positioning device is connected with the connecting lug positioning pin.

[0007] A circular groove is formed in the assembly base plate, the positioning plate is fixed in the circular groove by positioning bolts, the positioning plate and the circular groove are matched, and the thickness of the positioning plate is greater than the depth of the circular groove.

[0008] A bushing is sleeved outside the assembly positioning ring, and the inner wall of the bushing is matched with the outer wall of the assembly positioning ring.

[0009] The manual bending device comprises a bending rotating seat, a handle, a first roller, a second roller and a pressing plate, the bending rotating seat is hinged on the assembling bottom plate, the handle is fixedly connected on the bending rotating seat, the first roller and the second roller are arranged on the bending rotating seat, and the pressing plate is arranged above the first roller and the second roller.

[0010] A circular hole is formed on the pressing plate corresponding to the first roller, a threaded rod is arranged on the top of the first roller and passes through the circular hole, a fixing nut connected with the threaded rod is arranged above the pressing plate, a strip-shaped hole is formed on the pressing plate corresponding to the second roller, and the top of the second roller passes through the strip-shaped hole.

[0011] An adjusting bolt is arranged on one side of the pressing plate in a threaded mode, and the adjusting bolt is in abutment with the second roller after extending into the pressing plate.

[0012] The locking positioning device comprises a sliding translation block, a screw rod and a rotating shaft, a rectangular sliding groove is formed on the bottom of the assembling bottom plate, the sliding translation block is slidingly arranged in the rectangular sliding groove, a connecting ear positioning pin is fixedly connected on the sliding translation block, a sliding groove matched with the connecting ear positioning pin is formed on the assembling bottom plate, a threaded hole is arranged on one side of the rectangular sliding groove, the screw rod is in threaded connection with the threaded hole, the screw rod and the sliding translation block are connected through the rotating shaft, and one end of the screw rod extending out of the rectangular sliding groove is connected with a hand wheel.

[0013] A plurality of positioning blocks are arranged on the assembling bottom plate along the outside of the assembling positioning ring, and the positioning blocks are arranged on the assembling bottom plate through a bolt.

[0014] Compared with the prior art, the bending device has the beneficial effects that:

[0015] The tooling can ensure high-precision positioning of the brake belt during bending and assembly through precise design and manufacturing, avoids errors and unstable factors caused by traditional manual assembly, integrates bending, positioning, fixing and other functions in one, simplifies the assembly process, significantly improves assembly efficiency and reduces production cost. The tooling can ensure uniform stress on the brake belt during bending, avoid internal stress concentration and performance degradation caused by improper bending, optimize the contact area and friction force distribution of the brake belt through precise bending angle and shape control, thereby improving braking effect and durability. The tooling uses materials and designs that meet safety standards to effectively prevent accidental injury during assembly and ensure the safety of operators. The stable structure of the tooling is easy to operate and maintain, reducing the risk of safety hazards caused by improper operation or equipment failure. The design of the tooling has a certain degree of universality and adjustability, and can be adapted to the assembly requirements of brake belts of different specifications and models. By simply adjusting or replacing tooling parts, the tooling can quickly adapt to the assembly requirements of different products, improving the flexibility and adaptability of the production line. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a top view of the present application;

[0017] Fig. 2 is a front perspective view of the present application;

[0018] Fig. 3 is an assembly base schematic view of the present application;

[0019] Fig. 4 is a top perspective view of the present application;

[0020] In the figure: 1 is an assembly base, 2 is an assembly positioning ring, 3 is a positioning plate, 4 is a positioning bolt, 5 is a bushing, 6 is a connecting ear positioning pin, 7 is a manual bending device, 71 is a bending rotating seat, 72 is a handle, 73 is a first roller, 74 is a second roller, 75 is a pressing plate, 76 is a fixing nut, 77 is an adjusting bolt, 8 is a locking positioning device, 81 is a sliding translation block, 82 is a screw rod, 83 is a rotating shaft, 84 is a hand wheel, 9 is a positioning block, 10 is a latch. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0023] like Figs. 1 to 4 As shown, a brake band bending assembly fixture includes an assembly base plate 1, an assembly positioning ring 2, a positioning plate 3, a connecting ear positioning pin 6, a manual bending device 7, and a locking positioning device 8. The assembly base plate 1 has a flat plate structure. The positioning plate 3 is set on the upper surface of the assembly base plate 1. The assembly positioning ring 2 is sleeved on the positioning plate 3. The connecting ear positioning pin 6 is set on the assembly base plate 1. The manual bending device 7 is rotatably set on the assembly base plate 1. The locking positioning device 8 is set on one side of the assembly base plate 1 and is connected to the connecting ear positioning pin 6. After riveting the brake band parts to the brake band connecting ears, the connecting ear end is inserted into the connecting ear positioning pin 6 on the locking positioning device 8 for fixation. Then, the brake band parts are bent into a large bend around the positioning ring welding assembly. Finally, the small bend at the end of the brake band parts is bent using the manual bending device.

[0024] Preferably, a circular groove is provided on the assembly base plate 1, and the positioning plate 3 is fixed in the circular groove by positioning bolts 4. The positioning plate 3 is matched with the circular groove, and the thickness of the positioning plate 3 is greater than the depth of the circular groove.

[0025] Preferably, a bushing 5 is fitted around the outside of the assembly positioning ring 2, and the inner wall of the bushing 5 matches the outer wall of the assembly positioning ring 2. The size of the bushing 5 can be changed according to the design of the brake band being processed.

[0026] Preferably, the manual bending device 7 includes a bending rotating seat 71, a handle 72, a first roller 73, a second roller 74, and a pressure plate 75. The bending rotating seat 71 is hinged to the mounting base plate 1, the handle 72 is fixedly connected to the bending rotating seat 71, the first roller 73 and the second roller 74 are disposed on the bending rotating seat 71, and the pressure plate 75 is disposed above the first roller 73 and the second roller 74.

[0027] Preferably, the pressure plate 75 has a circular hole corresponding to the first roller 73, the top of the first roller 73 is provided with a threaded rod, the threaded rod passes through the circular hole, the pressure plate 75 is provided with a fixing nut 76 connected to the threaded rod, and the pressure plate 75 has a strip hole corresponding to the second roller 74, the top of the second roller 74 passes through the strip hole.

[0028] Preferably, a threaded adjusting bolt 77 is provided on one side of the pressure plate 75, and one end of the adjusting bolt 77 extends into the pressure plate 75 and abuts against the second roller 74.

[0029] Preferably, the locking positioning device 8 comprises a sliding translation block 81, a screw rod 82 and a rotating shaft 83, the bottom plate 1 is provided with a rectangular sliding slot, the sliding translation block 81 is slidingly arranged in the rectangular sliding slot, the connecting lug positioning pin 6 is fixedly connected to the sliding translation block 81, the bottom plate 1 is provided with a sliding slot matched with the connecting lug positioning pin 6, a threaded hole is arranged on one side of the rectangular sliding slot, the screw rod 82 is threadedly connected to the threaded hole, the screw rod 82 is connected to the sliding translation block 81 through the rotating shaft 83, and one end of the screw rod 82 extending out of the rectangular sliding slot is connected with a hand wheel 84.

[0030] Preferably, a plurality of positioning blocks 9 are arranged on the bottom plate 1 along the outside of the assembly positioning ring 2, and the positioning blocks 9 are arranged on the bottom plate 1 through the insertion pins 10.

[0031] The use method is as follows: after the brake band parts are riveted with the brake band connecting lug, the connecting lug end is inserted into the connecting lug positioning pin 6 on the locking positioning device 8 for fixation. Then, the brake band parts are bent into a large bend around the bushings 5 outside the assembly positioning ring 2. Then, the small bend of the terminal end of the brake band parts is bent through the manual bending device 7. After being bent and formed, the brake band parts are riveted with the brake shoe, the brake band assembly is placed into the positioning blocks 9 for roundness correction and assembly welding of the three-piece tension spring fixing clamps. Subsequently, the remaining parts are assembled to form the brake assembly.

[0032] The above only describes the preferred embodiments of the utility model in detail, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the purpose of the utility model, and various changes should be included in the protection range of the utility model.

Claims

1. A brake band bending fixture, characterized by: The utility model provides a kind of assembly base plate (1), assembly positioning ring (2), positioning plate (3), connecting lug positioning pin (6), manual bending device (7) and locking positioning device (8), the assembly base plate (1) adopts plane board structure, the positioning plate (3) is set on the assembly base plate (1) upper surface, the assembly positioning ring (2) is sleeved on the positioning plate (3), the connecting lug positioning pin (6) is set on the assembly base plate (1), the manual bending device (7) rotation is set on the assembly base plate (1), the locking positioning device (8) is set on one side of the assembly base plate (1), and the locking positioning device (8) is connected with connecting lug positioning pin (6).

2. A brake band bending fixture as defined in claim 1, wherein: Circular slot is opened on the assembly base plate (1), the positioning plate (3) is fixed in the circular slot by positioning bolt (4), the positioning plate (3) is matched with the circular slot, and the thickness of the positioning plate (3) is greater than the depth of the circular slot.

3. The brake band bending fixture of claim 1, wherein: The assembly positioning ring (2) is externally sleeved with a bushing (5), and the inner wall of the bushing (5) is matched with the outer wall of the assembly positioning ring (2).

4. The brake band bending fixture of claim 1, wherein: The manual bending device (7) includes a bending rotating seat (71), a handle (72), a first roller (73), a second roller (74), and a pressing plate (75). The bending rotating seat (71) is hinged to the assembly base plate (1). The handle (72) is fixedly connected to the bending rotating seat (71). The first roller (73) and the second roller (74) are arranged on the bending rotating seat (71). The pressing plate (75) is arranged above the first roller (73) and the second roller (74).

5. A brake band bending fixture as defined in claim 4 wherein: A circular hole is formed in the pressing plate (75) corresponding to the first roller (73). A threaded rod is arranged on the top of the first roller (73) and passes through the circular hole. A fixed nut (76) connected with the threaded rod is arranged above the pressing plate (75). A strip-shaped hole is formed in the pressing plate (75) corresponding to the second roller (74). The second roller (74) passes through the strip-shaped hole.

6. A brake band bending fixture as defined in claim 5, wherein: An adjustment bolt (77) is arranged on one side of the pressing plate (75) in threaded connection. One end of the adjustment bolt (77) extends into the pressing plate (75) and abuts against the second roller (74).

7. The brake band bending fixture of claim 1, wherein: The locking positioning device (8) includes a sliding translation block (81), a screw rod (82), and a rotating shaft (83). A rectangular sliding groove is formed in the bottom of the assembly base plate (1). The sliding translation block (81) is slidingly arranged in the rectangular sliding groove. The connecting lug positioning pin (6) is fixedly connected to the sliding translation block (81). A sliding groove matched with the connecting lug positioning pin (6) is formed in the assembly base plate (1). A threaded hole is arranged on one side of the rectangular sliding groove. The screw rod (82) is in threaded connection with the threaded hole. The screw rod (82) and the sliding translation block (81) are connected through the rotating shaft (83). One end of the screw rod (82) extending out of the rectangular sliding groove is connected with a hand wheel (84).

8. The brake band bending fixture of claim 1, wherein: A plurality of positioning blocks (9) are arranged on the assembly base plate (1) outside the assembly positioning ring (2), and the positioning blocks (9) are arranged on the assembly base plate (1) through a bolt (10).

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