An automatic assembly device for assembling a rectangular sealing ring and a gripper body

Abstract

This invention discloses an assembly device for automatically assembling rectangular sealing rings and gripping clamp bodies of calipers, belonging to the technical field of caliper assembly. It includes a worktable with a first through hole, the diameter of which is larger than the outer diameter of the sealing ring. It also includes a mechanical claw for gripping the clamp body, the mechanical claw including an interface for connecting to an external drive mechanism, and comprising an openable first claw body and a second claw body. A feeding mechanism for placing the sealing ring into the first through hole is provided on the worktable. The mechanical claw can be positioned below the first through hole and can cooperate with the sealing ring. A pressing mechanism for pressing the sealing ring is provided within the worktable, and a gripping mechanism for clamping the sealing ring is provided on the mechanical claw. This invention can significantly improve the assembly efficiency of the clamp body.

Description

Technical Field

[0001] This invention relates to the technical field of caliper assembly, and in particular to an assembly device for automatically assembling a rectangular sealing ring and gripping caliper body of a caliper. Background Technology

[0002] Brake calipers, also known simply as calipers, are a major component of a car's braking system. They are clamp-like devices that slow down, stop, or maintain a stopped state of the moving wheels. Improper assembly of brake caliper components can reduce braking effectiveness and may even cause traffic accidents. Therefore, designing a reasonable and efficient assembly method for brake caliper rectangular seals is of significant value and importance.

[0003] The prior art can be found in Chinese invention patent application CN111098126A, which discloses an automatic assembly mechanism for a caliper air chamber sealing ring. The mechanism includes a worktable and a hook. A sealing ring changing fixture, which is detachably connected to the worktable and engages with the sealing ring for positioning, moves horizontally and vertically under the drive of a sealing ring translation cylinder and a sealing ring lifting cylinder. The hook moves horizontally and vertically relative to the worktable via a hook translation mechanism and a hook lifting mechanism. During horizontal movement, the hook compresses or stretches the sealing ring. The hook translation mechanism compresses the sealing ring and shapes it into a U-shape at the deformation notch. Then, the sealing ring, along with the hook, is moved to the same center and height as the sealing ring mounting groove by the sealing ring translation cylinder and the sealing ring lifting cylinder. The hook is then released, and the sealing ring is pressed into the sealing ring mounting groove.

[0004] However, in the aforementioned patent, when assembling the clamp body, it is necessary to first install the sealing ring in the sealing ring mounting groove inside the clamp body, and then clamp and assemble the clamp body. This operation is relatively cumbersome, thereby reducing the assembly efficiency of the clamp body. Summary of the Invention

[0005] This application provides an assembly device for automatically assembling a rectangular sealing ring for a caliper and gripping the caliper body, which can facilitate the improvement of the assembly efficiency of the caliper body.

[0006] This application provides an assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper, which adopts the following technical solution:

[0007] An assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper includes a worktable with a first through hole having a diameter larger than the outer diameter of the sealing ring. The worktable also includes a mechanical claw for clamping the clamp body. The mechanical claw includes an interface for connecting to an external drive mechanism and comprises an openable first claw body and a second claw body. A feeding mechanism for placing the sealing ring into the first through hole is provided on the worktable. The mechanical claw can be positioned below the first through hole and can cooperate with the sealing ring. A pressing mechanism for pressing the sealing ring is provided within the worktable, and a clamping mechanism for gripping the sealing ring is provided on the mechanical claw.

[0008] By adopting the above technical solution, when it is necessary to assemble the clamp body and install the sealing ring in the sealing ring groove, the mechanical claw is first driven to move directly below the first through hole, and then the sealing ring is placed in the first through hole by the unloading mechanism. At this time, the sealing ring falls downward under the action of gravity and lands on the mechanical claw. Then, the sealing ring is squeezed by the extrusion mechanism to bend inward, and then the sealing ring is clamped by the clamping mechanism. At this time, the mechanical claw is driven to move to the clamp body and grasp the clamp body. At this time, the sealing ring is aligned with the sealing ring mounting groove. Then, the clamping mechanism is released from the clamping action of the sealing ring. At this time, the sealing ring naturally unfolds and falls into the sealing ring mounting groove. Finally, the mechanical claw drives the clamp body to move to the assembly station, thereby realizing the assembly of the sealing ring and simultaneously completing the grasping of the clamp body, thus improving the assembly efficiency of the clamp body.

[0009] Preferably, the feeding mechanism includes a storage cylinder for storing multiple sealing rings, the storage cylinder being fixedly connected to the worktable, and the worktable being provided with a driving component for driving the sealing rings to fall into the first through hole.

[0010] By adopting the above technical solution, the storage cylinder can pre-store multiple sealing rings to achieve continuous material supply; the drive component can accurately push individual sealing rings to the first through hole position in sequence, reducing manual intervention and improving the automation and continuity of the assembly process.

[0011] Preferably, the drive assembly includes a feeding block, a feeding groove is provided on the worktable, the feeding block is slidably disposed on the inner wall of the feeding groove, the feeding block can be disposed below the storage cylinder, a second through hole for placing a sealing ring is provided on the feeding block, a first cylinder is installed on the worktable, and the piston rod of the first cylinder is fixedly connected to the feeding block.

[0012] By adopting the above technical solution, the feeding block and the second through hole on it form a precise feeding channel; the first cylinder drives the feeding block to slide, which can align and move the sealing rings falling from the storage cylinder one by one to the top of the first through hole. The structure is simple, the action is reliable, and the accuracy of single feeding is ensured.

[0013] Preferably, the extrusion mechanism includes a first clamping plate and a second clamping plate. Both the first and second clamping plates have semi-circular grooves. The inner wall of the semi-circular groove can abut against the outer wall of the sealing ring. The inner wall of the first through hole has a first sliding groove and a second sliding groove. The first clamping plate is slidably disposed on the inner wall of the first sliding groove, and the second clamping plate is slidably disposed on the inner wall of the second sliding groove. A second cylinder is installed in the first sliding groove, and a third cylinder is installed in the second sliding groove. The piston rod of the second cylinder is fixedly connected to the first clamping plate, and the piston rod of the third cylinder is fixedly connected to the second clamping plate. Both the first and second clamping plates are provided with roll-type protective components for blocking the sealing ring.

[0014] By adopting the above technical solution, the extrusion grooves on the first and second clamping plates can tightly fit the outer wall of the sealing ring from both sides; by driving the two clamping plates to slide towards each other through the second and third cylinders, uniform and synchronous extrusion of the sealing ring can be achieved, causing it to produce stable and consistent inward bending deformation, which prepares it for subsequent clamping; the roll-type protective component can limit the sealing ring during extrusion, preventing the sealing ring from bending upward when it is extruded, and reducing the possibility of the sealing ring detaching from the first and second clamping plates.

[0015] Preferably, the roll-type protective assembly includes a first motor, a storage slot is provided in the first or second clamping plate, the first motor is installed on the inner wall of the storage slot, the output shaft of the first motor is drivenly connected to a roller, the roller is rotatably disposed on the inner wall of the storage slot, a door curtain is fixedly connected to the roller, a guide rail groove is provided on the inner wall of the storage slot, the guide rail groove can cooperate with the door curtain, and the door curtain can abut against the upper surface of the sealing ring.

[0016] By adopting the above technical solution, when the extrusion mechanism is activated, the first motor can be started to release the door curtain; the door curtain extends downward along the guide rail groove and can press down on the sealing ring located in the first through hole from above, effectively preventing it from popping up or shifting during the extrusion process, thus improving the stability and reliability of the extrusion process; after the work is completed, the door curtain can be retracted by the roller, saving space.

[0017] Preferably, the clamping mechanism includes a lower pressure block and an upper pressure block. The lower pressure block is mounted on the first claw body, and a fourth cylinder is mounted on the lower pressure block. The piston rod of the fourth cylinder is fixedly connected to the upper pressure block. Both the upper pressure block and the lower pressure block can cooperate with the sealing ring.

[0018] By adopting the above technical solution, after the sealing ring is pre-deformed by the compression mechanism, the fourth cylinder can drive the upper pressure block to move downward in the vertical direction, cooperate with the fixed lower pressure block, and thus firmly clamp the sealing ring. The clamping mechanism is directly integrated into the mechanical claw, with a compact structure, and the clamping and releasing actions are rapid and powerful, ensuring the stability of the sealing ring during the movement of the mechanical claw.

[0019] Preferably, the pressing block has a placement groove, and a first limiting ring, a second limiting ring, and a third limiting ring are fixedly connected in the placement groove. The second limiting ring is disposed inside the first limiting ring, and the third limiting ring is disposed inside the second limiting ring. The first limiting ring, the second limiting ring, and the third limiting ring can all abut against the sealing ring.

[0020] By adopting the above technical solution, a multi-level limiting structure is formed by setting the first limiting ring, the second limiting ring and the third limiting ring. This structure can better adapt to and accommodate sealing rings with different degrees of deformation after being squeezed, and provides multi-directional limiting and support for the inner and outer walls of the sealing ring. This further enhances the stability and centering of the clamping, prevents the sealing ring from shifting during clamping, and reduces the possibility of the sealing ring detaching from the upper and lower pressure blocks during clamping.

[0021] Preferably, the upper pressure block is provided with multiple nozzles, which are used to spray airflow to allow the auxiliary sealing ring to fall into the sealing ring mounting groove.

[0022] By adopting the above technical solution, when the clamping mechanism releases the sealing ring, multiple nozzles simultaneously eject airflow; the airflow acts on the inner wall of the sealing ring, which helps it overcome friction and elastic resistance, allowing it to expand radially more smoothly and quickly, and guides it to fall accurately into the clamp body sealing ring mounting groove below, thus improving the success rate and accuracy of the final assembly.

[0023] Preferably, the upper pressure block has a movable groove, and two movable blocks are slidably disposed in the movable groove. The movable blocks can cooperate with the sealing ring. A second motor is installed in the movable groove, and the output shaft of the second motor is driven by a lead screw. The lead screw is threadedly engaged with the two movable blocks. The lead screw has a left-hand thread section and a right-hand thread section with opposite directions of rotation. The two movable blocks are threadedly engaged with the left-hand thread section and the right-hand thread section, respectively.

[0024] By adopting the above technical solution, when the sealing ring falls into the through hole, the sealing ring may fall on the upper surface of the upper pressure block. At this time, the second motor is started to drive the lead screw to rotate, so that the two moving blocks can move synchronously in opposite directions in the moving groove. When the moving block abuts against the inner wall of the sealing ring, the moving block drives the sealing ring to move to the edge of the upper pressure block, thereby making it easier for the sealing ring to fall on the lower pressure block.

[0025] Preferably, the upper surface of the lower pressure block is designed as a plane or curved surface that matches the shape of the bottom surface of the sealing ring mounting groove of the target clamp body.

[0026] By adopting the above technical solution, the upper surface of the lower pressure block is designed as a plane or curved surface that matches the shape of the bottom surface of the sealing ring mounting groove of the target clamp body. This allows the sealing ring to be aligned with the sealing ring mounting groove when the mechanical claw grips the clamp body and opens the upper pressure block. When the sealing ring unfolds naturally, it can easily fall into the sealing ring mounting groove automatically.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. When it is necessary to assemble the clamp body and install the sealing ring in the sealing ring groove, first drive the mechanical claw to move directly below the first through hole, and then place the sealing ring in the first through hole through the unloading mechanism. At this time, the sealing ring falls downward under the action of gravity and lands on the mechanical claw. Then, the extrusion mechanism extrudes the sealing ring, causing it to bend inward. Then, the clamping mechanism clamps the sealing ring. At this time, drive the mechanical claw to move to the clamp body and grasp the clamp body. At this time, the sealing ring is aligned with the sealing ring installation groove. Then, release the clamping mechanism from the sealing ring. At this time, the sealing ring naturally unfolds and falls into the sealing ring installation groove. Finally, drive the clamp body to move to the assembly station through the mechanical claw, thereby realizing the assembly of the sealing ring and simultaneously completing the grasping of the clamp body, which can improve the assembly efficiency of the clamp body.

[0029] 2. The extrusion grooves on the first and second clamping plates can tightly fit the outer wall of the sealing ring from both sides; by driving the two clamping plates to slide towards each other through the second and third cylinders, uniform and synchronous extrusion of the sealing ring can be achieved, so that it produces stable and consistent inward bending deformation, which prepares for subsequent clamping; the roll-type protective component can limit the sealing ring during extrusion, preventing the sealing ring from bending upward when it is extruded, reducing the possibility of the sealing ring detaching from the first and second clamping plates;

[0030] 3. After the sealing ring is pre-deformed by the compression mechanism, the fourth cylinder can drive the upper pressure block to move downward in the vertical direction, cooperate with the fixed lower pressure block, and thus firmly clamp the sealing ring. The clamping mechanism is directly integrated into the mechanical claw, with a compact structure and rapid and powerful clamping and releasing actions, ensuring the stability of the sealing ring during the movement of the mechanical claw. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0032] Figure 2 This is a cross-sectional view showing the feeding mechanism in this embodiment;

[0033] Figure 3 yes Figure 2 A magnified view of a section at point A in the middle;

[0034] Figure 4 This is a schematic diagram of the mechanical claw and gripper body in this embodiment;

[0035] Figure 5 This is a cross-sectional view showing the sealing ring mounting groove in this embodiment.

[0036] Explanation of reference numerals in the attached drawings: 1. Worktable; 11. First through hole; 12. Mechanical claw; 13. Interface part; 14. First claw body; 15. Second claw body; 2. Feeding mechanism; 211. Storage cylinder; 22. Drive assembly; 221. Feeding block; 222. Feeding groove; 223. Second through hole; 224. First cylinder; 3. Extrusion mechanism; 311. First clamping plate; 312. Second clamping plate; 313. Extrusion groove; 314. First sliding groove; 315. Second sliding groove; 316. Second cylinder; 317. Three cylinders; 32. Roll-up protective assembly; 321. First motor; 322. Storage slot; 323. Roller; 324. Door curtain; 325. Guide rail slot; 4. Clamping mechanism; 411. Upper pressure block; 412. Lower pressure block; 413. Fourth cylinder; 421. Placement slot; 422. First limit ring; 423. Second limit ring; 424. Third limit ring; 431. Nozzle; 441. Moving slot; 442. Moving block; 443. Second motor; 444. Lead screw; 5. Sealing ring mounting slot; 6. Clamp body. Detailed Implementation

[0037] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.

[0038] This invention discloses an assembly device for automatically assembling a rectangular sealing ring for a caliper and a gripping caliper body, such as... Figure 1 and Figure 2As shown, the device includes a square workbench 1, which is horizontally positioned on the ground via four legs. A first through-hole 11 with a circular cross-section extends vertically and has a diameter larger than the outer diameter of the sealing ring. A feeding mechanism 2 for placing the sealing ring within the first through-hole 11 is provided on the workbench 1. The device also includes a mechanical claw 12 for gripping the sealing ring. The mechanical claw 12 includes an interface 13 for connecting to an external drive mechanism, which can be a robot or a robotic arm. The mechanical claw 12 includes a first claw body 14 and a second claw body 15 that can open and close. The first claw body 14 is positioned above the second claw body 15, and the mechanical claw 12 can be positioned below the first through-hole 11. The mechanical claw 12 can cooperate with the sealing ring. A pressing mechanism 3 for pressing the sealing ring is provided inside the workbench 1, and a gripping mechanism 4 for clamping the sealing ring is provided on the mechanical claw 12.

[0039] When it is necessary to assemble the clamp body and install the sealing ring in the sealing ring groove, the mechanical claw 12 is first driven to move directly below the first through hole 11. Then, the sealing ring is placed in the first through hole 11 by the unloading mechanism 2. At this time, the sealing ring falls downward under the action of gravity and lands on the mechanical claw 12. Then, the sealing ring is squeezed by the extrusion mechanism 3, causing it to bend inward. Then, the sealing ring is clamped by the clamping mechanism 4. At this time, the mechanical claw 12 is driven to move to the clamp body and grasp the clamp body. At this time, the sealing ring is aligned with the sealing ring mounting groove 5. Then, the clamping mechanism 4 is released from the clamping action of the sealing ring. At this time, the sealing ring naturally unfolds and falls into the sealing ring mounting groove 5. Finally, the mechanical claw 12 drives the clamp body to move to the assembly station, thereby realizing the assembly of the sealing ring and simultaneously completing the grasping of the clamp body, which can improve the assembly efficiency of the clamp body.

[0040] like Figure 1 and Figure 2 As shown, the feeding mechanism 2 includes a storage cylinder 211 for storing multiple sealing rings. The storage cylinder 211 is square and is fixedly connected to the worktable 1 vertically via a connector. A storage groove is provided on the storage cylinder 211, with a circular cross-section, extending vertically. A driving assembly 22 is provided on the worktable 1 to drive the sealing rings into the first through hole 11. The storage cylinder 211 allows for the pre-storage of multiple sealing rings, enabling continuous feeding. The driving assembly 22 can accurately push individual sealing rings to the first through hole 11 sequentially, reducing manual intervention and improving the automation and continuity of the assembly process.

[0041] like Figure 1 and Figure 2As shown, the drive assembly 22 includes a feeding block 221, which is square in shape. A feeding groove 222 is provided on the worktable 1. The feeding groove 222 has a square cross-section and extends vertically. The feeding block 221 is slidably disposed on the inner wall of the feeding groove 222 along the length of the worktable 1. The feeding block 221 can be disposed below the storage cylinder 211. A second through hole 223 for placing a sealing ring is provided on the feeding block 221. The second through hole 223 has a circular cross-section and extends vertically. A first cylinder 224 is bolted to the worktable 1. The first cylinder 224 is disposed along the length of the worktable 1. The piston rod of the first cylinder 224 is fixedly connected to the feeding block 221.

[0042] The feeding block 221 and the second through hole 223 on it form a precise feeding channel; the first cylinder 224 drives the feeding block 221 to slide, which can align and move the sealing rings falling from the storage cylinder 211 one by one to the top of the first through hole 11. The structure is simple, the action is reliable, and the accuracy of single feeding is ensured.

[0043] like Figure 2 and Figure 3 As shown, the extrusion mechanism 3 includes a first clamping plate 311 and a second clamping plate 312. Both the first clamping plate 311 and the second clamping plate 312 are square and arranged horizontally. Extrusion grooves 313 are formed on both the first clamping plate 311 and the second clamping plate 312. The cross-section of the extrusion groove 313 is semi-circular, and the extrusion groove 313 extends vertically. The inner wall of the extrusion groove 313 can abut against the outer wall of the sealing ring. A first sliding groove 314 and a second sliding groove 315 are formed on the inner wall of the first through hole 11. Both the first sliding groove 314 and the second sliding groove 315 have square cross-sections and extend along the length of the worktable 1. The first clamping plate 311 slides along the length of the worktable 1. The second clamping plate 312 is slidably disposed on the inner wall of the second sliding groove 315 along the length direction of the worktable 1. The second cylinder 316 is bolted into the first sliding groove 314 and is disposed along the length direction of the worktable 1. The third cylinder 317 is bolted into the second sliding groove 315 and is disposed along the length direction of the worktable 1. The piston rod of the second cylinder 316 is fixedly connected to the first clamping plate 311, and the piston rod of the third cylinder 317 is fixedly connected to the second clamping plate 312. Both the first clamping plate 311 and the second clamping plate 312 are provided with a roll-type protective assembly 32 for blocking the sealing ring.

[0044] The extrusion grooves 313 on the first clamping plate 311 and the second clamping plate 312 can tightly fit the outer wall of the sealing ring from both sides; by driving the two clamping plates to slide towards each other through the second cylinder 316 and the third cylinder 317, the sealing ring can be uniformly and synchronously extruded, so that it produces a stable and consistent inward bending deformation, which prepares for subsequent clamping; the roll-type protective component 32 can limit the sealing ring during extrusion, prevent the sealing ring from bending upward when it is extruded, and reduce the possibility of the sealing ring detaching from the first clamping plate 311 and the second clamping plate 312.

[0045] like Figure 2 and Figure 3 As shown, the roll-up protective assembly 32 includes a first motor 321, a storage slot 322 formed in the first clamping plate 311 or the second clamping plate 312, the storage slot 322 having a square cross-section and extending along the width direction of the workbench 1, the first motor 321 being bolted to the inner wall of the storage slot 322, the output shaft of the first motor 321 being drivenly connected to a roller 323, the roller 323 having a circular cross-section and being set along the width direction of the workbench 1, the roller 323 being rotatably set on the inner wall of the storage slot 322 via bearings, a curtain 324 being fixedly connected to the roller 323, a guide rail groove 325 formed in the inner wall of the storage slot 322, the guide rail groove 325 having a square cross-section and extending along the horizontal direction, the guide rail groove 325 being able to cooperate with the curtain 324, the curtain 324 being able to abut against the upper surface of the sealing ring.

[0046] When the extrusion mechanism 3 is activated, the first motor 321 can be started to release the curtain 324. The curtain 324 extends downward along the guide rail groove 325 and can press down on the sealing ring located in the first through hole 11 from above, effectively preventing it from popping up or shifting during the extrusion process, thus improving the stability and reliability of the extrusion process. After the work is completed, the curtain 324 can be retracted by the roller 323, saving space.

[0047] like Figure 2 and Figure 3 As shown, the clamping mechanism 4 includes a lower pressing block 412 and an upper pressing block 411. The cross-sections of both the upper pressing block 411 and the lower pressing block 412 are circular. The diameter of the lower pressing block 412 is the same as the diameter of the extrusion groove 313. The lower pressing block 412 is mounted on the first claw body 14. A fourth cylinder 413 is bolted to the bottom of the lower pressing block 412. The fourth cylinder 413 is arranged in a vertical direction. The piston rod of the fourth cylinder 413 is fixedly connected to the lower surface of the upper pressing block 411. Both the upper pressing block 411 and the lower pressing block 412 can cooperate with the sealing ring.

[0048] After the sealing ring is pre-deformed by the compression mechanism 3, the fourth cylinder 413 can drive the upper pressure block 411 to move downward in the vertical direction, cooperate with the fixed lower pressure block 412, and thus firmly clamp the sealing ring. The clamping mechanism 4 is directly integrated into the mechanical claw 12, with a compact structure and rapid and powerful clamping and releasing actions, ensuring the stability of the sealing ring during the movement of the mechanical claw 12.

[0049] like Figure 2 and Figure 3 As shown, a placement groove 421 is provided on the lower pressure block 412. The cross-section of the placement groove 421 is circular and extends vertically. A first limiting ring 422, a second limiting ring 423, and a third limiting ring 424 are fixedly connected inside the placement groove 421. The centers of the first limiting ring 422, the second limiting ring 423, and the third limiting ring 424 are the same point. The heights of the first limiting ring 422, the second limiting ring 423, and the third limiting ring 424 decrease sequentially. The second limiting ring 423 is located inside the first limiting ring 422, and the third limiting ring 424 is located inside the second limiting ring 423. The first limiting ring 422, the second limiting ring 423, and the third limiting ring 424 can all abut against the sealing ring.

[0050] The first limiting ring 422, the second limiting ring 423, and the third limiting ring 424 form a multi-level limiting structure, which can better adapt to and accommodate the sealing rings with different degrees of deformation after being squeezed, and provide multi-directional limiting and support for the inner and outer walls of the sealing rings. This further enhances the stability and centering of the clamping, prevents the sealing rings from shifting during clamping, and reduces the possibility of the sealing rings detaching from the upper pressure block 411 and the lower pressure block 412 during clamping.

[0051] like Figure 2 and Figure 3 As shown, the upper pressure block 411 is equipped with multiple nozzles 431, which are used to spray airflow to help the sealing ring fall into the sealing ring mounting groove 5. When the clamping mechanism 4 releases the sealing ring, the multiple nozzles 431 spray airflow simultaneously; the airflow acts on the inner wall of the sealing ring, which can help it overcome friction and elastic resistance, and spread radially more smoothly and quickly, and guide it to fall accurately into the clamp body sealing ring mounting groove 5 below, thereby improving the success rate and accuracy of the final assembly.

[0052] like Figure 2 and Figure 3As shown, the upper pressure block 411 has a moving groove 441 with a square cross-section. The moving groove 441 extends vertically. Two moving blocks 442 are slidably arranged inside the moving groove 441 along the length of the worktable 1. The moving blocks 442 are square and can cooperate with the sealing ring. A second motor 443 is installed inside the moving groove 441 by bolts. The output shaft of the second motor 443 is arranged along the length of the worktable 1. The output shaft of the second motor 443 is connected to a lead screw 444. The lead screw 444 is threadedly engaged with the two moving blocks 442. The lead screw 444 has a left-hand thread section and a right-hand thread section with opposite directions of rotation. The two moving blocks 442 are threadedly engaged with the left-hand thread section and the right-hand thread section, respectively. When the sealing ring falls into the through hole, it may fall on the upper surface of the upper pressure block 411. At this time, the second motor 443 is started to drive the lead screw 444 to rotate, so that the two moving blocks 442 can move synchronously in opposite directions in the moving groove 441. When the moving block 442 abuts against the inner wall of the sealing ring, the moving block 442 drives the sealing ring to move to the edge of the upper pressure block 411, so that the sealing ring can fall on the lower pressure block 412.

[0053] like Figure 4 and Figure 5 As shown, this is the working state of the mechanical gripper 12 grasping the clamp body. The upper surface of the lower pressure block 412 is designed as a plane that matches the shape of the bottom surface of the sealing ring mounting groove 5 of the target clamp body. By designing the upper surface of the lower pressure block 412 as a plane that matches the shape of the bottom surface of the sealing ring mounting groove 5 of the target clamp body, the sealing ring can be aligned with the sealing ring mounting groove 5 when the mechanical gripper 12 grasps the clamp body and opens the upper pressure block 411. When the sealing ring unfolds naturally, it can easily fall into the sealing ring mounting groove 5 automatically.

[0054] The implementation principle of the assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body in this application is as follows:

[0055] When it is necessary to assemble the clamp body and install the sealing ring in the sealing ring groove, the mechanical claw 12 is first driven to move directly below the first through hole 11. Then, the sealing ring is placed in the first through hole 11 by the unloading mechanism 2. At this time, the sealing ring falls downward under the action of gravity and lands on the mechanical claw 12. Then, the sealing ring is squeezed by the extrusion mechanism 3, causing it to bend inward. Then, the sealing ring is clamped by the clamping mechanism 4. At this time, the mechanical claw 12 is driven to move to the clamp body and grasp the clamp body. At this time, the sealing ring is aligned with the sealing ring mounting groove 5. Then, the clamping mechanism 4 is released from the clamping action of the sealing ring. At this time, the sealing ring naturally unfolds and falls into the sealing ring mounting groove 5. Finally, the mechanical claw 12 drives the clamp body to move to the assembly station, thereby realizing the assembly of the sealing ring and simultaneously completing the grasping of the clamp body, which can improve the assembly efficiency of the clamp body.

[0056] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper, comprising a worktable (1), characterized in that: The workbench (1) has a first through hole (11) with a diameter larger than the outer diameter of the sealing ring. It also includes a mechanical claw (12) for clamping the clamp body. The mechanical claw (12) includes an interface (13) for connecting with an external drive mechanism. The mechanical claw (12) includes a first claw body (14) and a second claw body (15) that can be opened and closed. The workbench (1) is provided with a feeding mechanism (2) for placing the sealing ring in the first through hole (11). The mechanical claw (12) can be positioned below the first through hole (11). The mechanical claw (12) can cooperate with the sealing ring. The workbench (1) is provided with a pressing mechanism (3) for pressing the sealing ring. The mechanical claw (12) is provided with a clamping mechanism (4) for clamping the sealing ring. The clamping mechanism (4) includes a lower pressing block (412) and an upper pressing block (411). The lower pressing block (412) is mounted on the first claw body (14). A fourth cylinder (413) is mounted on the lower pressing block (412). The piston rod of the fourth cylinder (413) is fixedly connected to the upper pressing block (411). Both the upper pressing block (411) and the lower pressing block (412) can cooperate with the sealing ring.

2. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 1, characterized in that: The feeding mechanism (2) includes a storage cylinder (211) for storing multiple sealing rings. The storage cylinder (211) is fixedly connected to the worktable (1). The worktable (1) is provided with a driving component (22) for driving the sealing rings to fall into the first through hole (11).

3. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 2, characterized in that: The drive assembly (22) includes a feeding block (221), and a feeding groove (222) is provided on the worktable (1). The feeding block (221) is slidably disposed on the inner wall of the feeding groove (222). The feeding block (221) can be disposed below the storage cylinder (211). A second through hole (223) for placing a sealing ring is provided on the feeding block (221). A first cylinder (224) is installed on the worktable (1), and the piston rod of the first cylinder (224) is fixedly connected to the feeding block (221).

4. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 1, characterized in that: The extrusion mechanism (3) includes a first clamping plate (311) and a second clamping plate (312). Both the first clamping plate (311) and the second clamping plate (312) have extrusion grooves (313). The inner wall of the extrusion groove (313) can abut against the outer wall of the sealing ring. The inner wall of the first through hole (11) has a first sliding groove (314) and a second sliding groove (315). The first clamping plate (311) is slidably disposed on the inner wall of the first sliding groove (314), and the second clamping plate (312) is slidably disposed on the inner wall of the second through hole (11). The inner wall of the second sliding groove (315) is provided with a second cylinder (316) installed in the first sliding groove (314) and a third cylinder (317) installed in the second sliding groove (315). The piston rod of the second cylinder (316) is fixedly connected to the first clamping plate (311), and the piston rod of the third cylinder (317) is fixedly connected to the second clamping plate (312). Both the first clamping plate (311) and the second clamping plate (312) are provided with a roll-type protective assembly (32) for blocking the sealing ring.

5. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 4, characterized in that: The roll-type protective assembly (32) includes a first motor (321), a storage slot (322) is provided in the first clamping plate (311) or the second clamping plate (312), the first motor (321) is installed on the inner wall of the storage slot (322), the output shaft of the first motor (321) is connected to a roller (323), the roller (323) is rotatably disposed on the inner wall of the storage slot (322), a door curtain (324) is fixedly connected to the roller (323), a guide rail groove (325) is provided on the inner wall of the storage slot (322), the guide rail groove (325) can cooperate with the door curtain (324), and the door curtain (324) can abut against the upper surface of the sealing ring.

6. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 1, characterized in that: The pressing block (412) has a placement groove (421). A first limiting ring (422), a second limiting ring (423), and a third limiting ring (424) are fixedly connected in the placement groove (421). The second limiting ring (423) is disposed in the first limiting ring (422), and the third limiting ring (424) is disposed in the second limiting ring (423). The first limiting ring (422), the second limiting ring (423), and the third limiting ring (424) can all abut against the sealing ring.

7. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 1, characterized in that: The upper pressure block (411) is provided with a plurality of nozzles (431), which are used to spray airflow to allow the auxiliary sealing ring to fall into the sealing ring mounting groove (5).

8. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 1, characterized in that: The upper pressure block (411) is provided with a moving groove (441), and two moving blocks (442) are slidably arranged in the moving groove (441). The moving blocks (442) can cooperate with the sealing ring. A second motor (443) is installed in the moving groove (441). The output shaft of the second motor (443) is driven by a lead screw (444). The lead screw (444) is threadedly engaged with the two moving blocks (442). The lead screw (444) is provided with a left-hand thread section and a right-hand thread section with opposite directions of rotation. The two moving blocks (442) are threadedly engaged with the left-hand thread section and the right-hand thread section respectively.

9. The assembly device for automatically assembling a rectangular sealing ring and a gripping clamp body of a caliper according to claim 1, characterized in that: The upper surface of the lower pressure block (412) is designed as a plane or curved surface that matches the shape of the bottom surface of the sealing ring mounting groove (5) of the target clamp body.

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