Universal tool for brake shoe machining

Abstract

The utility model discloses a general tool for processing a brake shoe, which belongs to the technical field of tool clamps and comprises a base and the brake shoe, a lower die holder and a positioning block are slidably connected onto the base, the bottom of the brake shoe is attached to the top of the lower die holder, the positioning block is movably clamped with two sides of the brake shoe, a lifting seat is arranged on one side of the base, and a pressing plate is arranged on the top of the lifting seat. One side of the base is provided with a nut seat, the nut seat is in threaded connection with an adjusting bolt, the top of the adjusting bolt is connected with the bottom of the lifting seat, one side of the base is provided with a positioning mechanism, and the output end of the positioning mechanism movably abuts against the top of the brake shoe; by replacing the lower die bases and the positioning blocks, the brake shoes of various models can be placed and positioned, the brake shoes can be conveniently and rapidly fixed, the machining efficiency of the brake shoes can be improved, positioning machining of the brake shoes of various models can be completed only by producing the lower die bases and the positioning blocks of various models, and the production efficiency of the brake shoes is improved. And the production cost of the tool can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a universal tooling for processing brake shoes. Background Art

[0002] The brake shoe is the friction part of the drum brake. The brake shoe is driven to expand outward so that it rubs against the rotating brake drum to achieve the braking effect. The contact area between the brake shoe and the brake drum is large, so the drum brake has good braking force and low production cost. It is widely used in some economy cars.

[0003] After the brake shoe is produced, it needs to be milled. There are many types of brake shoes, and the milling process needs to be changed frequently. The clamping tooling is repeatedly disassembled and positioned, which leads to low efficiency of the milling process of the brake shoe. Therefore, a universal tooling for brake shoe processing is proposed. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a universal tooling for brake shoe processing, which is suitable for clamping and positioning various types of brake shoes, convenient for milling holes of various types of brake shoes, beneficial to improving the processing efficiency of brake shoes and reducing the production cost of processing tooling.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a universal tooling for brake shoe processing, comprising a base and a brake shoe, wherein a plurality of lower die seats and positioning blocks are slidably connected to the base, the lower die seat and the positioning blocks are arranged at intervals, the bottom of the brake shoe is fitted with the top of the lower die seat, the positioning blocks are movably clamped with the two sides of the brake shoe, a lifting seat is slidably connected to one side of the base, a pressure plate is fixedly installed on the top of the lifting seat, the bottom of the pressure plate abuts against the top of one side of the brake shoe, a nut seat is fixedly installed on one side of the base, an adjusting bolt is threadedly connected to the nut seat, the top of the adjusting bolt is fixed to the bottom of the lifting seat, a positioning mechanism is provided in the middle of one side of the base close to the nut seat, and the output end of the positioning mechanism is movably abutted against the top of the brake shoe.

[0006] Preferably, the base is provided with a first mounting groove and a second mounting groove along its width direction, the lower mold base is slidably connected to the first mounting groove, and the positioning block is slidably connected to the second mounting groove.

[0007] Preferably, a slide groove is provided on a side of the base close to the lifting seat, a pulley is fixedly installed at the connection between the lifting seat and the base, and the pulley is slidably connected to the slide groove.

[0008] Preferably, the positioning mechanism includes a double-headed cylinder, a clamping plate is fixedly installed on the output end of the double-headed cylinder, a cantilever is movably clamped between the clamping plates, a positioning pressure block is fixedly installed at the bottom of the cantilever end, the positioning pressure block is located above the base, and a fixing bolt is passed through the connection between the cantilever and the clamping plate.

[0009] Preferably, a bearing is fixedly installed at the connection between the lifting seat and the adjusting bolt, and the top of the adjusting bolt is fixedly installed in the bearing.

[0010] Preferably, the positioning block comprises a mounting seat slidably connected to the second mounting groove, a positioning rod is fixedly mounted on the top of the mounting seat, a clamping groove is formed on the positioning rod, and the clamping groove is movably clamped with the brake shoe.

[0011] The working principle of the universal tooling for processing brake shoes of the utility model is as follows: a first mounting groove and a second mounting groove are opened on the base, and lower die seats and positioning blocks of different models are installed to make them fit and fix with the surfaces of brake shoes of different models, the height of the lifting seat is adjusted, the contact between the pressure plate and the top of the brake shoe is controlled, and the processing angle of the brake shoe is controlled. The positioning pressure block on the positioning mechanism is pressed on the top of the brake shoe to facilitate milling hole processing of the brake shoe. It is suitable for processing various types of brake shoes. It only needs to produce multiple types of lower die seats, positioning blocks and positioning pressure blocks. The production cost of the tooling is low, and the replacement of molds for processing various types of brake shoes is also very convenient. There is no need to dismantle and install the base back and forth, which is beneficial to improving the milling hole processing efficiency of the brake shoe.

[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0013] 1. The lower die seat and positioning block set on the base can be freely disassembled and replaced. When processing different types of brake shoes, the corresponding lower die seat and positioning block are selected. There is no need to disassemble and assemble the base back and forth, which is beneficial to improve the processing efficiency of the brake shoe, and there is no need to produce multiple sets of processing tooling, which is beneficial to reduce the production cost of tooling.

[0014] 2. The positioning block and the pressure plate cooperate with each other to quickly locate the processing position of brake shoes of various models, thereby reducing the difficulty of positioning the brake shoes installed on the processing tooling and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a universal tooling for brake shoe processing in the embodiment;

[0016] Figure 2 A schematic diagram of a tool structure of a universal tool for processing brake shoes in an embodiment;

[0017] Figure 3An exploded view of the overall structure of a universal tooling for processing brake shoes in an embodiment;

[0018] Figure 4 It is a cross-sectional view of the overall structure of a universal tool for processing brake shoes in the embodiment;

[0019] Figure 5 It is a schematic diagram of the positioning block structure of a universal tooling for brake shoe processing in the embodiment;

[0020] Among them: 1. Base; 11. First mounting slot; 12. Second mounting slot; 13. Slide slot; 2. Lower die seat; 3. Positioning block; 31. Mounting seat; 32. Positioning rod; 33. Slot; 4. Lifting seat; 41. Pulley; 42. Bearing; 5. Pressing plate; 6. Nut seat; 7. Adjusting bolt; 8. Positioning mechanism; 81. Double-headed cylinder; 82. Clamp; 83. Cantilever; 84. Positioning pressing block; 85. Fixing bolt; 9. Brake shoe. DETAILED DESCRIPTION

[0021] The following is attached to the instruction manual Figure 1-5 , the technical solution of the utility model is explained through specific embodiments.

[0022] Embodiment:

[0023] like Figure 1 and Figure 2 As shown, the utility model provides a universal tooling for brake shoe processing, including a base 1 and a brake shoe 9. The surface of the base 1 is slidably connected with a plurality of lower die seats 2 and positioning blocks 3, the lower die seats 2 and the positioning blocks 3 are staggered, the bottom of the brake shoe 9 fits with the top of the lower die seat 2, the positioning blocks 3 are movably clamped with both sides of the brake shoe 9, one side of the base 1 is slidably connected with a lifting seat 4, the top of the lifting seat 4 is fixedly installed with a pressure plate 5, the bottom of the pressure plate 5 abuts against one side of the top of the brake shoe 9, one side of the base 1 is fixedly installed with a nut seat 6, the nut seat 6 is threadedly connected with an adjusting bolt 7, the top of the adjusting bolt 7 is fixed to the bottom of the lifting seat 4, a positioning mechanism 8 is provided in the middle of one side of the base 1 close to the nut seat 6, the output end of the positioning mechanism 8 is located above the middle of the base 1, and the bottom of the output end of the positioning mechanism 8 abuts against the top of the brake shoe 9.

[0024] like Figure 3As shown, the base 1 is provided with a first mounting groove 11 and a second mounting groove 12 along its width direction, the lower mold base 2 is slidably connected to the first mounting groove 11, the positioning block 3 is slidably connected to the second mounting groove 12, a slide groove 13 is provided on the side of the base 1 close to the lifting seat 4, a pulley 41 is fixedly installed on the side where the lifting seat 4 is connected to the base 1, the pulley 41 is slidably connected to the slide groove 13, the positioning mechanism 8 includes a double-headed cylinder 81, a clamping plate 82 is fixedly installed on the output end of the double-headed cylinder 81, a cantilever 83 is movably connected between the clamping plates 82, a positioning pressing block 84 is fixedly installed at the bottom of the end of the cantilever 83, the positioning pressing block 84 is located above the base 1, and a fixing bolt 85 is passed through the connection between the cantilever 83 and the clamping plate 82.

[0025] like Figure 4 As shown, a bearing 42 is fixedly installed at the connection between the lifting seat 4 and the adjusting bolt 7 , and the top of the adjusting bolt 7 is fixedly installed in the bearing 42 .

[0026] like Figure 5 As shown, the positioning block 3 includes a mounting seat 31 slidably connected to the second mounting groove 12 , a positioning rod 32 is fixedly mounted on the top of the mounting seat 31 , a clamping groove 33 is formed on the positioning rod 32 , and the clamping groove 33 is movably clamped with the brake shoe 9 .

[0027] Working steps: First, select the corresponding lower die base 2, positioning block 3, and positioning pressure block 84 according to the brake shoe 9 to be processed. After installing the corresponding lower die base 2 on the base 1, place the brake shoe 9 on the top of the lower die base 2, install the positioning block 3 so that the slot 33 is stuck on the brake shoe 9, turn the bottom of the adjusting bolt 7, adjust the height of the lifting seat 4, make the bottom of the pressure plate 5 abut against the top of the brake shoe 9, fix the cantilever 83 and the positioning pressure block 84 on the clamping plate 82 with the fixing bolt 85, start the double-head cylinder 81, and press the positioning pressure block 84 on the top of the brake shoe 9, so that the brake shoe 9 can be milled.

[0028] When processing brake shoes 9 of different models, first, start the double-headed cylinder 81 to separate the original positioning block 84 from the processed brake shoe 9, remove the cantilever 83 and the positioning block 84, and then rotate the adjusting bolt 7 to separate the pressure plate 5 from the processed brake shoe 9. The processed brake shoe 9 can be removed from the base 1, and then the lower die base 2 and the positioning block 3 are removed. Repeat the above steps to process brake shoes 9 of different models.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A universal tool for processing brake shoes, comprising a base (1) and a brake shoe (9), characterized in that: A plurality of lower die seats (2) and positioning blocks (3) are slidably connected to the base (1); the lower die seats (2) and positioning blocks (3) are arranged at intervals; the bottom of the brake shoe (9) is fitted with the top of the lower die seat (2); the positioning blocks (3) are movably clamped with the two sides of the brake shoe (9); a lifting seat (4) is slidably connected to one side of the base (1); a pressure plate (5) is fixedly installed on the top of the lifting seat (4); the bottom of the pressure plate (5) is abutted with the top of one side of the brake shoe (9); a nut seat (6) is fixedly installed on one side of the base (1); an adjusting bolt (7) is threadedly connected to the nut seat (6); the top of the adjusting bolt (7) is fixed to the bottom of the lifting seat (4); a positioning mechanism (8) is provided in the middle of one side of the base (1) close to the nut seat (6); the output end of the positioning mechanism (8) is movably abutted with the top of the brake shoe (9).

2. The universal tooling for brake shoe processing according to claim 1, characterized in that: The base (1) is provided with a first mounting groove (11) and a second mounting groove (12) along its width direction; the lower die base (2) is slidably connected to the first mounting groove (11); and the positioning block (3) is slidably connected to the second mounting groove (12).

3. The universal tooling for brake shoe processing according to claim 1, characterized in that: A slide groove (13) is provided on one side of the base (1) close to the lifting seat (4), a pulley (41) is fixedly installed at the connection between the lifting seat (4) and the base (1), and the pulley (41) is slidably connected to the slide groove (13).

4. The universal tooling for brake shoe processing according to claim 1, characterized in that: The positioning mechanism (8) comprises a double-headed cylinder (81), a clamping plate (82) is fixedly mounted on the output end of the double-headed cylinder (81), a cantilever (83) is movably clamped between the clamping plates (82), a positioning pressing block (84) is fixedly mounted at the bottom of the end of the cantilever (83), the positioning pressing block (84) is located above the base (1), and a fixing bolt (85) is passed through the connection between the cantilever (83) and the clamping plate (82).

5. The universal tooling for brake shoe processing according to claim 1, characterized in that: A bearing (42) is fixedly installed at the connection between the lifting seat (4) and the adjusting bolt (7), and the top of the adjusting bolt (7) is fixedly installed in the bearing (42).

6. The universal tooling for brake shoe processing according to claim 2, characterized in that: The positioning block (3) comprises a mounting seat (31) slidably connected to the second mounting groove (12); a positioning rod (32) is fixedly mounted on the top of the mounting seat (31); a clamping groove (33) is provided on the positioning rod (32); and the clamping groove (33) is movably clamped with the brake shoe (9).

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