Turnover positioning device for assembling piston caliper parts

Abstract

The utility model discloses a turnover positioning device for assembling piston caliper parts, which comprises a support frame and a deck plate, and a turnover mechanism is arranged at the upper end of the deck plate. A tool fixing mechanism is arranged at the front end of the deck plate, and the tool fixing mechanism is fixedly connected with the turnover mechanism; a supporting truss is arranged at the rear end of the turnover mechanism, and the bolt tightening mechanism is arranged above the turnover mechanism. By means of the integrated turnover mechanism, automatic turnover of the piston calipers in the assembly process is achieved, the assembly time is remarkably shortened, and the overall assembly efficiency is improved; the overturning mechanism adopts the precise design of a tapered roller bearing and an overturning main shaft, so that the stability and the accuracy of the overturning process are ensured, stable and reliable positioning is provided for piston calipers, and the accuracy of bolt tightening operation is ensured, so that the assembly quality is improved, the overturning process can be adjusted and controlled according to actual requirements, and the production efficiency is improved. And the flexibility and adaptability of the equipment are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston calipers, in particular to a flip positioning device used for assembling piston caliper parts. Background Art

[0002] The brake caliper assembly plays a crucial role in a vehicle's braking system. As the component that directly executes braking commands, it maintains close contact with the brake disc, rapidly generating braking force when the driver depresses the brake pedal, ensuring safe deceleration or stopping of the vehicle. Therefore, the assembly quality of the brake caliper directly impacts the braking performance and driving safety of the entire vehicle.

[0003] However, in the current brake caliper assembly process, the traditional method for tightening the bolts on the brake caliper requires first fixing the brake caliper on a workbench and tightening the bolts on one end face one by one; then, the brake caliper must be manually removed from the workbench, flipped 180°, and re-fixed to complete the tightening of the bolts on the other end face. This repeated assembly and disassembly and flipping process is not only complicated, time-consuming and labor-intensive, but also greatly reduces assembly efficiency and increases production costs. Summary of the Invention

[0004] The purpose of the utility model is to provide a flip positioning device for assembling piston caliper parts to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A flipping and positioning device for assembling piston caliper parts comprises a support frame, wherein a table panel is fixedly mounted on the upper end of the support frame; a flipping mechanism is provided on the upper end of the table panel, wherein the flipping mechanism is fixedly connected to the table panel; a tool fixing mechanism is provided at the front end of the table panel, wherein the tool fixing mechanism is fixedly connected to the flipping mechanism; a caliper tool is provided on the tool fixing mechanism, wherein a piston caliper is mounted on the caliper tool; a support truss is provided at the rear end of the flipping mechanism, wherein a bolt tightening mechanism is provided at the upper end of the support truss, and the bolt tightening mechanism is arranged above the flipping mechanism.

[0007] Preferably, the flipping mechanism includes a mounting base, wherein support columns are respectively provided at the four corners of the bottom of the mounting base; the upper ends of the support columns are fixedly connected to the mounting base, wherein the lower ends of the support columns are fixedly connected to the table panel; two groups of bearing seats with the same structure are provided above the mounting base, wherein the lower ends of the bearing seats are fixedly connected to the mounting base, and tapered roller bearings are installed on the upper ends of the bearing seats; a flipping spindle is installed in the tapered roller bearing, wherein both ends of the flipping spindle respectively pass through the tapered roller bearing and extend outward; the front end of the flipping spindle is fixedly connected to a flange, wherein the flange is fixedly connected to the tooling fixing mechanism; the rear end of the flipping spindle is provided with a fixed block, wherein a counterweight plate is provided on the fixed block.

[0008] Preferably, a flip limit block is provided at one end of the flip main shaft close to the flange, wherein limit blocks adapted to the flip limit block are symmetrically provided on both sides of the flip main shaft.

[0009] Preferably, the lower end of the limit stop is fixedly connected to the mounting base plate, wherein the upper end of the limit stop is provided with a rubber pad, and the top end of the rubber pad abuts against the flip limit block.

[0010] Preferably, two sets of pneumatic clamps are symmetrically installed on both sides of the flip spindle, wherein the pneumatic clamps are connected to the mounting base through a clamp fixing seat; the movable clamp arm of the pneumatic clamp extends toward one end of the flip limit block and is fixedly installed with a chuck, wherein the chuck is arranged above the flip limit block.

[0011] Preferably, the tooling fixing mechanism includes a tooling fixing plate, wherein the rear end of the tooling fixing plate is fixedly connected to the flange; a support seat is provided below the front end of the tooling fixing plate, wherein the support seat is provided with several universal balls; a centering jig is provided above the front end of the tooling fixing plate, wherein the centering jig is provided with a positioning guide column.

[0012] Preferably, positioning holes are symmetrically provided on the upper end of one side of the caliper tooling, wherein the positioning holes are adapted to the positioning guide posts provided on the centering jig.

[0013] Preferably, the support seat is provided with a flip handle at one end away from the tool fixing plate, wherein a positioning component for fixing the caliper tool is provided on one side of the flip handle.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes the automatic flipping of the piston caliper during the assembly process through an integrated flipping mechanism, eliminating the tedious steps of manual removal, flipping and re-fixing in the traditional method, which not only simplifies the operation process, but also significantly shortens the assembly time and improves the overall assembly efficiency; the flipping mechanism adopts a precision tapered roller bearing and flip spindle design to ensure the smoothness and accuracy of the flipping process, avoiding positioning deviation or damage that may be caused by manual flipping; at the same time, the tooling fixing mechanism provides stable and reliable positioning for the piston caliper through designs such as universal balls, centering fixtures and positioning guide columns, ensuring the accuracy of the bolt tightening operation, thereby improving the assembly quality; a support truss is provided at the rear end of the flipping mechanism, and a bolt tightening mechanism is installed on its upper end and arranged above the flipping mechanism. This layout enables the bolt tightening operation to be carried out directly after the piston caliper is flipped into place without moving the workpiece or adjusting the equipment position, greatly enhancing the convenience of operation; the pneumatic clamp and flip limit block in the flipping mechanism enable the flipping process to be adjusted and controlled according to actual needs, thereby improving the flexibility and adaptability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the connection between the turning mechanism and the tool fixing mechanism of the utility model;

[0017] Figure 3 It is a structural diagram of the turning mechanism of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the caliper tooling of the utility model.

[0019] Among them: 1. Support frame; 2. Table panel; 3. Flipping mechanism; 301. Mounting base plate; 302. Support column; 303. Bearing seat; 304. Tapered roller bearing; 305. Flip spindle; 306. Flange; 307. Fixing block; 308. Counterweight plate; 4. Fixing mechanism for tooling; 401. Fixing plate for tooling; 402. Support seat; 403. Universal ball; 404. Centering fixture; 405. Positioning guide column; 5. Caliper tooling; 6. Piston caliper; 7. Support truss; 8. Bolt tightening mechanism; 9. Flipping limit block; 10. Limit block; 11. Rubber pad; 12. Pneumatic clamp; 13. Clamp fixing seat; 14. Movable clamp arm; 15. Chuck; 16. Positioning hole; 17. Flip handle; 18. Positioning assembly. DETAILED DESCRIPTION

[0020] The present invention will be described in further detail below with reference to the accompanying drawings.

[0021] Please refer to Figures 1 to 4 To achieve the above objectives, the present invention provides the following technical solutions:

[0022] A flipping and positioning device for assembling piston caliper parts comprises a support frame 1, wherein a table panel 2 is fixedly mounted on the upper end of the support frame 1; a flipping mechanism 3 is provided at the upper end of the table panel 2, wherein the flipping mechanism 3 is fixedly connected to the table panel 2; a tool fixing mechanism 4 is provided at the front end of the table panel 2, wherein the tool fixing mechanism 4 is fixedly connected to the flipping mechanism 3; a caliper tool 5 is provided on the tool fixing mechanism 4, wherein a piston caliper 6 is mounted on the caliper tool 5; a support truss 7 is provided at the rear end of the flipping mechanism 3, wherein a bolt tightening mechanism 8 is provided at the upper end of the support truss 7, and the bolt tightening mechanism 8 is arranged above the flipping mechanism 3.

[0023] The caliper fixture 5 is installed on the fixture fixing mechanism 4. The design of the caliper fixture 5 needs to match the piston caliper 6 to be assembled to ensure that the piston caliper 6 can be firmly installed on the caliper fixture 5; the piston caliper 6 to be assembled is placed at a predetermined position on the caliper fixture 5, and the piston caliper 6 is fixed by the positioning screw on the caliper fixture 5 to ensure that it will not shift or loosen during the subsequent flipping and tightening operations; a bolt tightening mechanism 8 is installed on the upper end of the supporting truss 7 and adjusted to a position corresponding to the top of the flipping mechanism 3, wherein the bolt tightening mechanism 8 has an automatic control function so as to automatically complete the bolt tightening task in subsequent operations; when the piston caliper 6 completes the bolt assembly on one side, the flipping mechanism 3 is started, wherein the flip spindle 305 rotates on the tapered roller bearing 304, thereby driving the fixture fixing mechanism 4 and the caliper fixture 5 to flip 180° together; during the flipping process, the flip limit block 9 and the limit block 1 0 interact with each other to ensure the accuracy and safety of the flipping angle; at the same time, the pneumatic clamp 12 clamps and fixes the flip limit block 9 through its movable clamping arm 14 and clamping head 15; after flipping into place, the centering fixture 404 and positioning guide column 405 and other devices on the tool fixing mechanism 4 accurately position the caliper tool 5 and the piston caliper 6 at the predetermined position, preparing for the subsequent bolt tightening operation; after receiving the start signal, the bolt tightening mechanism 8 automatically moves to the top of the bolt to be tightened, and tightens the bolt through the tightening device inside it; during the tightening process, the bolt tightening mechanism 8 can be automatically adjusted and controlled according to the preset torque value to ensure that the tightening torque of the bolt meets the requirements; when all bolts are tightened, turn off the power source or air source of the flipping mechanism 3 and the bolt tightening mechanism 8; loosen the clamping device on the caliper tool 5, remove the piston caliper 6 from the caliper tool 5 and carry out subsequent inspection or assembly work.

[0024] Please refer to Figure 1 、 Figure 3As an embodiment of the present invention, the flip mechanism 3 includes a mounting base 301, wherein support columns 302 are respectively provided at the four corners of the bottom of the mounting base 301; the upper ends of the support columns 302 are fixedly connected to the mounting base 301, wherein the lower ends of the support columns 302 are fixedly connected to the table panel 2; two groups of bearing seats 303 with the same structure are provided above the mounting base 301, wherein the lower ends of the bearing seats 303 are fixedly connected to the mounting base 301, and tapered roller bearings 304 are installed on the upper ends of the bearing seats 303; a flip spindle 305 is installed in the tapered roller bearings 304, wherein the two ends of the flip spindle 305 respectively pass through the tapered roller bearings 304 and extend outward; the front end of the flip spindle 305 is fixedly connected to a flange 306, wherein the flange 306 is fixedly connected to the tooling fixing mechanism 4; the rear end of the flip spindle 305 is provided with a fixing block 307, wherein the fixing block 307 is provided with a counterweight plate 308.

[0025] In the above-mentioned scheme, the flip mechanism 3 is connected to the table panel 2 on the support frame 1 through the mounting base 301 at its bottom, wherein the support columns 302 at the four corners of the bottom of the mounting base 301 ensure the stability of the flip mechanism 3 during operation, and the lower ends of these support columns 302 are firmly connected to the table panel 2 by bolts or other fasteners; by arranging two groups of bearing seats 303 with the same structure above the mounting base 301, wherein the two groups of bearing seats 303 are symmetrically distributed to balance the force on the flip spindle 305, and the lower ends of the bearing seats 303 are fixedly connected to the mounting base 301 to ensure that they will not shift during the flipping process; the upper ends of the bearing seats 303 are installed with tapered roller bearings 304, these high-precision tapered roller bearings 304 can withstand the radial and axial loads generated by the flip spindle 305 during rotation, while ensuring the smoothness and accuracy of rotation; the front end of the flip spindle 305 is fixedly connected with a flange 306, wherein the flange 306 serves as the connection interface of the tooling fixing mechanism 4, and the tooling fixing mechanism 4 is fixedly connected to the front end of the flip spindle 305. The fixing mechanism 4 is fixedly connected to the flange 306 by bolts or other fasteners, thereby fixing the caliper tooling 5 and the piston caliper 6 on the flipping mechanism 3; when the piston caliper 6 needs to be flipped, the flip spindle 305 is driven to rotate, thereby driving the tooling fixing mechanism 4 and the piston caliper 6 to flip together; in order to balance the inertial force generated by the flip spindle 305 during the rotation process, a fixed block 307 is provided at the rear end of the flip spindle 305, and a counterweight plate 308 is installed on the fixed block 307, wherein the mass and position of the counterweight plate 308 are precisely calculated and designed to ensure that the flipping mechanism 3 remains balanced and stable during the rotation process; the presence of the counterweight plate 308 not only reduces the vibration and noise of the flipping mechanism 3 during high-speed rotation, but also improves its working accuracy and reliability; the flipping mechanism 3 realizes the automatic flipping function of the piston caliper 6 during the assembly process through its exquisite design and structure, which not only improves the assembly efficiency and quality but also reduces labor intensity and cost, providing strong support for the automated assembly production line.

[0026] See also Figure 3 As an embodiment of the present invention, a flip limit block 9 is provided at one end of the flip main shaft 305 close to the flange 306, wherein limit blocks 10 adapted to the flip limit block 9 are symmetrically provided on both sides of the flip main shaft 305; the lower end of the limit block 10 is fixedly connected to the mounting base 301, wherein the upper end of the limit block 10 is provided with a rubber pad 11, and the top of the rubber pad 11 abuts against the flip limit block 9.

[0027] The cam 306 is provided with a plurality of flanges 306 on the top of the cam 307 so as to prevent the cam 307 from rotating and the cam 308 from rotating. The limit block 10 contacts and produces a limiting effect; at the same time, in order to reduce the impact and noise generated by the flip limit block 9 and the limit block 10 when they contact, a rubber pad 11 is provided at the upper end of the limit block 10, wherein the rubber pad 11 has good elasticity and buffering performance, and can play a buffering role when the flip limit block 9 contacts the limit block 10, protecting both from damage; the top of the rubber pad 11 is tightly in contact with the flip limit block 9, and when the flip spindle 305 rotates to a predetermined angle, the flip limit block 9 will gently press on the rubber pad 11, thereby achieving a smooth limiting effect; through the cooperation of the flip limit block 9 and the limit block 10, the flip mechanism 3 can accurately control the rotation angle and position of the flip spindle 305, thereby ensuring that the piston caliper 6 can accurately stay in the predetermined assembly position during the flipping process.

[0028] Furthermore, the provision of the flip limit block 9 and the limit stop block 10 also improves the safety of the flip mechanism 3. During the flipping process, if the flip main shaft 305 loses control or rotates excessively due to some reason (such as power source failure, transmission device failure, etc.), the flip limit block 9 will contact the limit stop block 10 in time and generate resistance, thereby preventing the flip main shaft 305 from continuing to rotate and preventing accidents.

[0029] See also Figure 3As an embodiment of the present invention, two sets of pneumatic clamps 12 are symmetrically installed on both sides of the flip spindle 305, wherein the pneumatic clamps 12 are connected to the mounting base 301 through a clamp fixing seat 13; the movable clamp arm 14 of the pneumatic clamp 12 extends toward one end of the flip limit block 9 and is fixedly installed with a chuck 15, wherein the chuck 15 is arranged above the flip limit block 9.

[0030] In the above-described scheme, a group of pneumatic clamps 12 are installed on each side of the flip spindle 305. This symmetrical layout helps to balance the torque during the flipping process and ensure the smooth progress of the flipping action; the pneumatic clamps 12 are firmly mounted on the mounting base 301 through the clamp fixing seat 13. This connection method not only ensures the stability of the clamps, but also facilitates subsequent maintenance and replacement; the movable clamping arm 14 of the pneumatic clamp 12 extends toward one end of the flip limit block 9, and a chuck 15 is fixedly installed at the end. The design of the chuck 15 enables it to accurately and firmly clamp the flip limit block 9; the chuck 15 is arranged above the flip limit block 9. Such a layout not only ensures the reliability of clamping, but also avoids interference with the flip limit block 9 during the flipping process.

[0031] Furthermore, the pneumatic clamp 12 is driven by air pressure to achieve the clamping and releasing action of the chuck 15. During the flipping process, when the flip spindle 305 rotates to a predetermined angle, the flip limit block 9 will gently press on the rubber pad 11, thereby achieving a smooth limiting effect; at the same time, the clamp is started to work, and the air pressure acts on the cylinder of the clamp, so that the cylinder pushes the movable clamping arm 14 to move, thereby causing the chuck 15 to move downward and press and fix the upper end of the flip limit block 9; the downward pressure of the chuck 15 is combined with the supporting effect of the rubber pad 11, so as to limit and fix the flip limit block 9, and then the rotation angle and position of the flip spindle 305 can be accurately controlled, thereby ensuring that the piston caliper 6 can accurately stay in the predetermined assembly position during the flipping process.

[0032] The pneumatic clamps 12 symmetrically installed on both sides of the flipping spindle 305 play a vital role in the flipping mechanism 3 through their precise clamping function, stable working performance and reliable limit protection mechanism. They not only improve the efficiency and accuracy of the flipping operation, but also ensure the safety and stability of the workpiece during the flipping process.

[0033] Please refer to Figure 2 、 Figure 3 As an embodiment of the present invention, the tool fixing mechanism 4 includes a tool fixing plate 401, wherein the rear end of the tool fixing plate 401 is fixedly connected to the flange 306; a support seat 402 is provided below the front end of the tool fixing plate 401, wherein the support seat 402 is provided with a plurality of universal balls 403; a centering fixture 404 is provided above the front end of the tool fixing plate 401, wherein the centering fixture 404 is provided with a positioning guide column 405.

[0034] In the above-mentioned scheme, the tool fixing plate 401 serves as the core component of the tool fixing mechanism 4. The tool fixing plate 401 bears the responsibility of connecting and supporting other components. The tool fixing plate 401 usually has sufficient rigidity and stability to ensure that no deformation or displacement occurs when fixing the workpiece; the rear end of the tool fixing plate 401 is fixedly connected to the flange 306 by bolts or other fastening methods. This connection method is not only firm and reliable, but also easy to disassemble and reinstall to meet the fixing requirements of different workpieces; the support seat 402 below the front end of the tool fixing plate 401, wherein the support seat 402 provides a stable support platform for the caliper tool 5; the design of the support seat 402 should take into account the weight, shape and size of the workpiece to ensure that it can withstand various forces generated by the workpiece during processing or transportation; a number of universal balls 403 are arranged on the support seat 402, wherein the universal balls 403 have the functions of rolling and self-adjusting The universal ball 403 can automatically adjust its position when the workpiece is placed to adapt to the unevenness of the workpiece surface, thereby reducing the friction and wear between the workpiece and the support seat 402; at the same time, the universal ball 403 can also reduce the vibration and shaking of the workpiece during the processing to a certain extent, thereby improving the processing accuracy; a centering jig 404 is provided above the front end of the tool fixing plate 401, and the centering jig 404 is mainly used to detect the position height of the tightening head of the lower end of the bolt tightening mechanism 8 in the vertical direction of the caliper tool 5, so as to facilitate the bolt tightening mechanism 8 to accurately complete the bolt tightening operation in subsequent operations; the positioning guide column 405 provided at the front end of the centering jig 404 cooperates with the positioning hole 16 on the caliper tool 5 to realize the precise positioning of the caliper tool 5 in the horizontal direction, and fixes the caliper tool 5 in the predetermined position by insertion and locking. This positioning method has the advantages of high precision and good repeatability, and can significantly improve the processing efficiency.

[0035] See also Figure 4 As an embodiment of the present invention, a positioning hole 16 is symmetrically opened on the upper end of one side of the caliper tool 5, wherein the positioning hole 16 is adapted to the positioning guide column 405 provided on the centering fixture 404.

[0036] In the above-mentioned scheme, the positioning holes 16 symmetrically opened on the upper end of one side of the caliper tooling 5 need to be designed with precise consideration of the hole size, hole spacing and hole shape to ensure that they can fit tightly and accurately with the positioning guide post 405 provided on the centering jig 404. This design is usually based on the size, shape and processing requirements of the workpiece to ensure optimal stability and precision during the fixing and positioning process; the positioning guide post 405 provided on the centering jig 404, as a positioning element, has the main function of guiding the workpiece or tooling component accurately into the predetermined position and maintaining its stability and precision in the process, wherein the diameter, length and shape of the positioning guide post 405 need to match the positioning hole 16 to achieve smooth insertion and locking.

[0037] See also Figure 2 As an embodiment of the present invention, a flip handle 17 is provided at one end of the support base 402 away from the tool fixing plate 401, wherein a positioning component 18 for fixing the caliper tool 5 is provided on one side of the flip handle 17.

[0038] In the above-described scheme, the flip handle 17 is an operating component on the support base 402, and its main function is to provide a position for human hands to hold, so as to flip or adjust the support base 402 and the caliper tooling 5; by rotating the flip handle 17, the operator can easily control the angle and position of the support base 402 to meet different processing or assembly requirements; in actual operation, the operator will first confirm the position and state of the flip handle 17, and then hold the flip handle 17 with his hand and apply appropriate force; by rotating or pushing and pulling the flip handle 17, the support base 402 and the caliper tooling 5 will be flipped or adjusted accordingly until the required angle and position are reached; the positioning component 18 is arranged on one side of the flip handle 17, and its main function is to fix the caliper tooling 5 to ensure that the caliper tooling 5 will not move or fall off during the flipping or adjustment process, thereby achieving a stable and reliable fixing effect.

[0039] Although specific embodiments of the present invention have been described above, those skilled in the art will appreciate that these are merely illustrative and that the scope of protection of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, and such changes and modifications are intended to fall within the scope of protection of the present invention.

Claims

1. A turning and positioning device for assembling piston caliper parts, comprising a support frame (1), wherein a table panel (2) is fixedly mounted on the upper end of the support frame (1); characterized in that: The upper end of the table panel (2) is provided with a turnover mechanism (3), wherein the turnover mechanism (3) is fixedly connected to the table panel (2); the front end of the table panel (2) is provided with a tool fixing mechanism (4), wherein the tool fixing mechanism (4) is fixedly connected to the turnover mechanism (3); the tool fixing mechanism (4) is provided with a caliper tool (5), wherein a piston caliper (6) is installed on the caliper tool (5); the rear end of the turnover mechanism (3) is provided with a support truss (7), wherein the upper end of the support truss (7) is provided with a bolt tightening mechanism (8), and the bolt tightening mechanism (8) is arranged above the turnover mechanism (3).

2. A turning and positioning device for assembling piston caliper parts according to claim 1, characterized in that: The turning mechanism (3) comprises a mounting base (301), wherein support columns (302) are respectively provided at the four corners of the bottom of the mounting base (301); the upper ends of the support columns (302) are fixedly connected to the mounting base (301), wherein the lower ends of the support columns (302) are fixedly connected to the table panel (2); two groups of bearing seats (303) with the same structure are provided above the mounting base (301), wherein the lower ends of the bearing seats (303) are fixedly connected to the mounting base (301), and the upper ends of the bearing seats (303) are fixedly connected to the mounting base (301). A tapered roller bearing (304) is installed; a turning spindle (305) is installed in the tapered roller bearing (304), wherein both ends of the turning spindle (305) respectively penetrate the tapered roller bearing (304) and extend outward; a flange (306) is fixedly connected to the front end of the turning spindle (305), wherein the flange (306) is fixedly connected to the tool fixing mechanism (4); a fixing block (307) is provided at the rear end of the turning spindle (305), wherein a counterweight plate (308) is provided on the fixing block (307).

3. A turning and positioning device for assembling piston caliper parts according to claim 2, characterized in that: A turning limit block (9) is provided at one end of the turning main shaft (305) close to the flange (306), wherein limit blocks (10) adapted to the turning limit block (9) are symmetrically provided on both sides of the turning main shaft (305).

4. A turning and positioning device for assembling piston caliper parts according to claim 3, characterized in that: The lower end of the limit stopper (10) is fixedly connected to the mounting base plate (301), wherein the upper end of the limit stopper (10) is provided with a rubber pad (11), and the top end of the rubber pad (11) abuts against the flip limiter (9).

5. The flip positioning device for assembling piston caliper parts according to claim 3, characterized in that: Two groups of pneumatic clamps (12) are symmetrically installed on both sides of the flip main shaft (305), wherein the pneumatic clamps (12) are connected to the mounting base (301) via a clamp fixing seat (13); the movable clamp arm (14) of the pneumatic clamp (12) extends toward one end of the flip limit block (9) and is fixedly installed with a clamp (15), wherein the clamp (15) is arranged above the flip limit block (9).

6. The turning and positioning device for assembling piston caliper parts according to claim 1, characterized in that: The tool fixing mechanism (4) comprises a tool fixing plate (401), wherein the rear end of the tool fixing plate (401) is fixedly connected to the flange (306); a support seat (402) is provided below the front end of the tool fixing plate (401), wherein a plurality of universal balls (403) are provided on the support seat (402); and a centering fixture (404) is provided above the front end of the tool fixing plate (401), wherein the centering fixture (404) is provided with a positioning guide column (405).

7. The flip positioning device for assembling piston caliper parts according to claim 1, characterized in that: A positioning hole (16) is symmetrically provided at the upper end of one side of the caliper tool (5), wherein the positioning hole (16) is adapted to a positioning guide column (405) provided on the centering fixture (404).

8. The turning and positioning device for assembling piston caliper parts according to claim 6, characterized in that: The support seat (402) is provided with a flip handle (17) at one end away from the tool fixing plate (401), wherein a positioning component (18) for fixing the caliper tool (5) is provided on one side of the flip handle (17).

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