A positioning grinding fixture for an elastic component

Abstract

This utility model discloses a positioning grinding fixture for an elastomer component, including a base plate. A first linear motor is fixedly connected to one side of the base plate, and a connecting plate is fixedly connected to the moving end of the first linear motor. A connecting frame is fixedly connected to one side of the connecting plate, and a second linear motor is rotatably connected to one side of the connecting frame. A flipping assembly is provided on one side of the connecting frame, and a first clamping block is fixedly connected to the moving end of the second linear motor. In this utility model, by setting a chip removal assembly composed of a dust collection chamber, a conveying pipe, an electric push rod, a rotating rod, and an L-shaped plate, during the corrugated pipe grinding process, the electric push rod can drive the L-shaped plate to move, and the rotating rod can drive the dust collection chamber to slide along the limiting rod, so that the dust collection chamber is accurately aligned with the grinding area of ​​the corrugated pipe. The dust collection chamber promptly sucks away the grinding debris through the conveying pipe, effectively preventing the debris from falling into the interlayer gaps of the corrugated pipe.

Description

Technical Field

[0001] This utility model relates to the field of grinding technology, and in particular to a positioning grinding fixture for an elastomer component. Background Technology

[0002] In fields such as precision machinery and hydraulic transmission, bellows are key elastic components that combine sealing, shock absorption and deformation compensation functions. The flatness, perpendicularity and coaxiality of the two end faces directly affect the assembly accuracy and sealing performance. Therefore, they need to be processed by high-precision grinding using CNC machine tools.

[0003] Because of its corrugated structure, the bellows has an annular interlayer. During the grinding process, metal or elastomer chips are easily drawn into the interlayer by the airflow or the movement of the grinding wheel. Existing tooling lacks a targeted chip removal structure that is synchronized with the grinding trajectory. The chips can only be cleaned by manually blowing or rinsing after processing, which is difficult to completely remove the residual chips deep in the interlayer. These chips will scratch the inner wall of the bellows and damage the sealing surface during subsequent assembly or use, leading to an increased risk of leakage.

[0004] To avoid damaging the thin-walled structure of bellows with excessive clamping force, existing tooling commonly employs two clamping methods. One method uses flexible materials such as rubber pads as the clamping contact surface. While this reduces the risk of scratches, rubber pads are prone to plastic deformation after prolonged clamping or under stress, leading to clamping force attenuation and bellows positioning misalignment, failing to meet the clamping stability requirements of high-precision grinding. The other method uses rigid metal clamping blocks. While this ensures clamping rigidity, the hardness of the metal blocks is usually higher than that of the bellows material, easily scratching the bellows surface during clamping or adjustment, damaging its surface roughness and structural integrity. To overcome these disadvantages, this invention provides a positioning grinding tooling for elastomeric components. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a positioning grinding fixture for elastomeric components.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a positioning grinding fixture for an elastic component, comprising a base plate, a first linear motor fixedly connected to one side of the base plate, a connecting plate fixedly connected to the moving end of the first linear motor, a connecting frame fixedly connected to one side of the connecting plate, a second linear motor rotatably connected to one side of the connecting frame, a flipping assembly provided on one side of the connecting frame, a first clamping block fixedly connected to the moving end of the second linear motor, a second clamping block fixedly connected to one side of the second linear motor, a plurality of limiting rods fixedly connected to one side of the second clamping block, a clamping assembly provided on one side of the second clamping block and the first clamping block, and a chip removal assembly provided on the limiting rods.

[0007] Furthermore, the flipping assembly includes a first servo motor fixedly connected to one side of the connecting frame, and the output end of the first servo motor passes through the connecting frame and is fixedly connected to one side of the turntable.

[0008] Furthermore, the clamping assembly includes a plurality of third clamping blocks disposed on one side of the second clamping block and the first clamping block. The first clamping block and the second clamping block are fixedly connected to both sides of the first clamping block and the first fixing plate is provided with a threaded hole on one side of the first fixing plate, and a threaded rod is threadedly connected to the threaded hole. The third clamping blocks are fixedly connected to both sides of the second fixing plate and one end of the threaded rod are rotatably connected. The first clamping block and the limiting rod are slidably connected. Brass clamping plates are fixedly connected to the clamping ends of the first clamping block, the second clamping block and the third clamping block.

[0009] Furthermore, a second servo motor is fixedly connected to one side of the second fixed plate, and the output end of the second servo motor passes through the second fixed plate and is fixedly connected to one end of the threaded rod.

[0010] Furthermore, the chip removal assembly includes a dust collection chamber slidably connected to the limiting rod, a conveying pipe is fixedly connected to the chip discharge port of the dust collection chamber, an electric push rod is fixedly connected to one side of the base plate, an L-shaped plate is fixedly connected to the output end of the electric push rod, a rotating rod is rotatably connected to one side of the L-shaped plate, and one end of the rotating rod is rotatably connected to one side of the dust collection chamber.

[0011] Furthermore, a control board is fixedly connected to one side of the base plate, a PLC controller is fixedly connected to one side of the control board, a control panel is fixedly connected to one side of the PLC controller, a driver is fixedly connected to one side of the control board, the driver and the PLC controller are electrically connected, and the control panel and the PLC controller are electrically connected.

[0012] The beneficial effects of this utility model are:

[0013] When using this utility model,

[0014] 1. By setting up a chip removal assembly consisting of a dust collection chamber, a conveying pipe, an electric push rod, a rotating rod, and an L-shaped plate, during the corrugated pipe grinding process, the electric push rod can drive the L-shaped plate to move, and the rotating rod can drive the dust collection chamber to slide along the limiting rod, so that the dust collection chamber is precisely aligned with the corrugated pipe grinding area. The dust collection chamber can promptly suck away the chips generated during grinding through the conveying pipe, which can effectively prevent chips from falling into the interlayer gaps of the corrugated pipe and avoid scratches on the inner wall of the corrugated pipe and damage to the sealing performance caused by chip accumulation.

[0015] 2. The second servo motor 21, driven by the driver, rotates multiple sets of threaded rods simultaneously. The threaded rods advance along the threaded holes of the first fixed plate, causing the second fixed plate and the third clamping block to move. Together with the first and second clamping blocks, they quickly clamp the bellows, significantly shortening the clamping and adjustment time. At the same time, brass clips are fixed to the clamping ends of the first, second, and third clamping blocks. The hardness of brass is lower than that of the bellows, which can prevent scratching the surface of the bellows during clamping. In addition, the brass clips have stable structural rigidity and will not deform under pressure like traditional rubber pads. They can always maintain a stable clamping surface and clamping force, preventing the bellows from shifting during grinding and ensuring machining accuracy. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 : A perspective view of this utility model;

[0018] Figure 2 : A schematic diagram of the flipping component structure of this utility model;

[0019] Figure 3 : A schematic diagram of the clamping component structure of this utility model;

[0020] Figure 4 : Schematic diagram of the chip removal component of this utility model.

[0021] The attached figures are labeled as follows:

[0022] 1. Base plate; 2. Control board; 3. PLC controller; 4. Control panel; 5. Driver; 6. First linear motor; 7. Connecting plate; 8. Connecting frame; 9. First servo motor; 10. Turntable; 11. Second linear motor; 12. First clamping block; 13. Second clamping block; 14. Limiting rod; 15. First fixing plate; 16. Threaded hole; 17. Threaded rod; 18. Second fixing plate; 19. Third clamping block; 20. Brass clamping plate; 21. Second servo motor; 22. Dust collection chamber; 23. Conveying pipe; 24. Rotating rod; 25. Electric push rod; 26. L-shaped plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1-4 As shown, a positioning grinding fixture for an elastic component is disclosed, comprising a base plate 1, a first linear motor 6 fixedly connected to one side of the base plate 1, a connecting plate 7 fixedly connected to the moving end of the first linear motor 6, a connecting frame 8 fixedly connected to one side of the connecting plate 7, a second linear motor 11 rotatably connected to one side of the connecting frame 8, a flipping assembly provided on one side of the connecting frame 8, a first clamping block 12 fixedly connected to the moving end of the second linear motor 11, a second clamping block 13 fixedly connected to one side of the second linear motor 11, a plurality of limiting rods 14 fixedly connected to one side of the second clamping block 13, clamping assemblies provided on one side of the second clamping block 13 and the first clamping block 12, and chip removal assemblies provided on the limiting rods 14.

[0025] like Figure 1-4 As shown, the flipping assembly includes a first servo motor 9 fixedly connected to one side of the connecting frame 8. The output end of the first servo motor 9 passes through the connecting frame 8 and is fixedly connected to one side of the turntable 10, and is used to rotate the bellows so that it can polish different positions of the bellows.

[0026] like Figure 1-4 As shown, the clamping assembly includes several third clamping blocks 19 disposed on one side of the second clamping block 13 and the first clamping block 12. First fixing plates 15 are fixedly connected to both sides of the first clamping block 12 and the second clamping block 13. A threaded hole 16 is opened on one side of the first fixing plate 15, and a threaded rod 17 is threadedly connected to the threaded hole 16. Second fixing plates 18 are fixedly connected to both sides of the third clamping blocks 19. One end of the second fixing plate 18 and the threaded rod 17 are rotatably connected. The first clamping block 12 and the limiting rod 14 are slidably connected. Brass clips 20 are fixedly connected to the clamping ends of the first clamping block 12, the second clamping block 13 and the third clamping block 19 for clamping the bellows.

[0027] like Figure 1-4 As shown, a second servo motor 21 is fixedly connected to one side of the second fixed plate 18. The output end of the second servo motor 21 passes through the second fixed plate 18 and is fixedly connected to one end of the threaded rod 17, and is used to provide power for the clamping assembly to clamp the bellows.

[0028] like Figure 1-4As shown, the chip removal assembly includes a dust collection chamber 22 that is slidably connected to the limiting rod 14. A conveying pipe 23 is fixedly connected to the chip discharge port of the dust collection chamber 22. An electric push rod 25 is fixedly connected to one side of the base plate 1. An L-shaped plate 26 is fixedly connected to the output end of the electric push rod 25. A rotating rod 24 is rotatably connected to one side of the L-shaped plate 26. One end of the rotating rod 24 is rotatably connected to one side of the dust collection chamber 22 for absorbing the chips generated during grinding.

[0029] like Figure 1-4 As shown, a control board 2 is fixedly connected to one side of the base plate 1, a PLC controller 3 is fixedly connected to one side of the control board 2, a control panel 4 is fixedly connected to one side of the PLC controller 3, and a driver 5 is fixedly connected to one side of the control board 2. The driver 5 and the PLC controller 3 are electrically connected, and the control panel 4 and the PLC controller 3 are electrically connected, which is used to control the equipment on the device.

[0030] Working principle: First, check if the entire device is intact. The operator uses the control panel 4 to control the equipment on the device via the PLC controller 3. The driver 5, in conjunction with the PLC controller 3, makes multiple second linear motors 11 operate synchronously. In use, the second linear motor 11 is started first, driving the first clamping block 12 to move vertically until the distance between the first clamping block 12 and the second clamping block 13 is the same as the length of the bellows. Then, the second servo motor 21 is started. The output end of the second servo motor 21 drives the threaded rod 17 to rotate. The rod 17 moves along the threaded hole 16 of the first fixed plate 15, pushing the second fixed plate 18 and the third clamping block 19 connected to the second fixed plate 18 to move towards the bellows. During this process, the brass clamping plates 20 at the clamping ends of the first clamping block 12, the second clamping block 13, and the third clamping block 19 directly contact the surface of the bellows. This ensures that the bellows does not shift through rigid clamping, and avoids surface scratches because the hardness of brass is lower than that of the bellows. It also does not cause the clamping force to decrease due to pressure deformation like a rubber pad. After clamping is completed, the operator begins to grind one end of the bellows.

[0031] During the processing, the output end of the electric push rod 25 drives the L-shaped plate 26 to move linearly. The L-shaped plate 26 pulls the dust collection chamber 22 along the limit rod 14 through the rotating rod 24, so that the dust collection port of the dust collection chamber 22 is always aligned with the corrugated pipe grinding area. The dust collection chamber 22 draws in the grinding debris through the external vacuum cleaner at one end of the conveying pipe 23, and then conveys it to the vacuum cleaner through the conveying pipe 23. Throughout the process, the debris is prevented from falling into the gap between the corrugated pipe layers, avoiding scratches on the inner wall or subsequent positioning accuracy deviations caused by the debris in the gap.

[0032] If different end faces or angles of the bellows need to be ground, the first servo motor 9 is started. The output end of the first servo motor 9 drives the turntable 10 and the second linear motor 11 connected to the turntable 10 and the clamping assembly to rotate as a whole until the surface of the bellows to be ground is precisely aligned with the grinding wheel trajectory of the CNC machine tool. During the rotation process, the clamping assembly always maintains a stable clamping of the bellows to avoid workpiece displacement caused by the rotation.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A positioning and grinding tool for elastomeric members, comprising a base plate (1), characterised in that: A first linear motor (6) is fixedly connected to one side of the base plate (1). A connecting plate (7) is fixedly connected to the moving end of the first linear motor (6). A connecting frame (8) is fixedly connected to one side of the connecting plate (7). A second linear motor (11) is rotatably connected to one side of the connecting frame (8). A flipping component is provided on one side of the connecting frame (8). A first clamping block (12) is fixedly connected to the moving end of the second linear motor (11). A second clamping block (13) is fixedly connected to one side of the second linear motor (11). A plurality of limiting rods (14) are fixedly connected to one side of the second clamping block (13) and the first clamping block (12). A clamping component is provided on one side of the second clamping block (13) and the first clamping block (12). A chip removal component is provided on the limiting rod (14).

2. The positioning grinding fixture for an elastic component according to claim 1, characterized in that: The flipping assembly includes a first servo motor (9) fixedly connected to one side of the connecting frame (8), and the output end of the first servo motor (9) is fixedly connected through the connecting frame (8) and one side of the turntable (10).

3. The positioning and grinding tool for elastomeric members according to claim 1, characterized in that: The clamping assembly includes several third clamping blocks (19) disposed on one side of the second clamping block (13) and the first clamping block (12). A first fixing plate (15) is fixedly connected to both sides of the first clamping block (12) and the second clamping block (13). A threaded hole (16) is opened on one side of the first fixing plate (15). A threaded rod (17) is threadedly connected to the threaded hole (16). A second fixing plate (18) is fixedly connected to both sides of the third clamping block (19). One end of the second fixing plate (18) and the threaded rod (17) are rotatably connected. The first clamping block (12) and the limiting rod (14) are slidably connected. Brass clips (20) are fixedly connected to the clamping ends of the first clamping block (12), the second clamping block (13) and the third clamping block (19).

4. A positioning and grinding tool for elastomeric members according to claim 3, characterized in that: A second servo motor (21) is fixedly connected to one side of the second fixed plate (18), and the output end of the second servo motor (21) is fixedly connected through the second fixed plate (18) and one end of the threaded rod (17).

5. The positioning and grinding tool for elastomeric members according to claim 1, characterized in that: The chip removal assembly includes a dust collection chamber (22) that is slidably connected to the limiting rod (14). The dust collection chamber (22) has a chip discharge port that is fixedly connected to a conveying pipe (23). An electric push rod (25) is fixedly connected to one side of the base plate (1). An L-shaped plate (26) is fixedly connected to the output end of the electric push rod (25). A rotating rod (24) is rotatably connected to one side of the L-shaped plate (26). One end of the rotating rod (24) is rotatably connected to one side of the dust collection chamber (22).

6. The positioning and grinding tool for elastomeric members according to claim 1, characterized in that: A control board (2) is fixedly connected to one side of the base plate (1), a PLC controller (3) is fixedly connected to one side of the control board (2), a control panel (4) is fixedly connected to one side of the PLC controller (3), a driver (5) is fixedly connected to one side of the control board (2), the driver (5) and the PLC controller (3) are electrically connected, and the control panel (4) and the PLC controller (3) are electrically connected.

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