An automated assembly device dedicated to ball valves

Abstract

The application relates to an automatic assembling device special for a ball valve, which comprises a circulating conveying table for conveying a valve body; a supporting frame provided with a slide in the conveying direction of the circulating conveying table; a plurality of clamp displacement mechanisms arranged in the slide, which are respectively used for mounting a valve seat clamp, a ball clamp, a valve rod clamp and a valve cover clamp; the valve seat clamp is used for clamping a valve seat and displacing the valve seat to a position of the valve body along the slide, and the valve seat is mounted on the valve body; the ball clamp is used for clamping a ball and displacing the ball to a position of the valve seat along the slide, and the ball is mounted in the center of the valve seat; the valve rod clamp is used for clamping a valve rod and displacing the valve rod to a position of the ball along the slide, and the valve rod is mounted on the ball; and the valve cover clamp is used for clamping a valve cover and displacing the valve cover to a position of the valve body along the slide, and the valve cover is mounted on the valve body; and the application realizes efficient and accurate automatic assembling of the ball valve.

Description

Technical Field

[0001] This invention belongs to the field of ball valve assembly technology, and specifically relates to an automated assembly device for ball valves. Background Technology

[0002] Ball valves require extremely high sealing performance. During assembly, it is essential to ensure a perfect fit between the valve body, ball, and seat. Even the slightest deviation or contamination can lead to water or gas leakage. Secondly, the connection between the ball and stem in a ball valve demands high precision. Improper installation can affect the smoothness of opening and closing, or even render the valve inoperable. Furthermore, the assembly process must strictly adhere to technical requirements and standards, ensuring that the dimensions, materials, and assembly techniques of each component meet specifications. This is crucial for guaranteeing the long-term reliability and safety of the valve. Therefore, ball valve assembly requires experienced operators, precise tools and equipment, and rigorous quality control to ensure optimal assembly results.

[0003] The existing ball valve assembly has the following drawbacks: 1. Most assembly is done manually, which is not only slow, but also leads to worker fatigue and further reduces work efficiency under long-term operation, increasing production cycle and cost; 2. Existing ball valve assembly lines cannot be dedicated to assembling ball valves of various specifications on a single production line. Furthermore, existing production lines disperse the assembly stations, resulting in large floor space requirements and high investment costs; 3. Ball valves require the installation of left and right valve seats, and existing production lines need to be equipped with two sets of ball valve assembly fixtures, making assembly inconvenient. Those skilled in the art urgently need to solve the above technical problems. Summary of the Invention

[0004] In view of the above-mentioned shortcomings of the existing technology, the present invention provides an automated assembly device for ball valves, which realizes efficient and precise automated assembly of ball valves.

[0005] The present invention adopts the following technical solution:

[0006] An automated assembly apparatus for ball valves includes a circulating conveyor for conveying valve bodies;

[0007] A support frame, in which the circulating conveyor is arranged, and a slide is provided on the support frame along the transport direction of the circulating conveyor;

[0008] A clamp displacement mechanism is installed in the slide rail and can move horizontally along the slide rail. Multiple clamp displacement mechanisms are arranged and are used to install valve seat clamps, ball clamps, valve stem clamps and valve cover clamps respectively.

[0009] A valve seat clamp is used to clamp the valve seat and move it along the slide to the position of the valve body, and to install the valve seat on the valve body;

[0010] A ball clamp is used to clamp a ball and move it along the slide to the position of the valve seat, and to install the ball at the center of the valve seat;

[0011] A valve stem clamp is used to clamp the valve stem and move it along the slide to the position of the ball, and to install the valve stem on the ball;

[0012] A valve cover clamp is used to clamp the valve cover and move it along the slide to the position of the valve body, and to install the valve cover onto the valve body.

[0013] In a preferred embodiment of the present invention, the circulating conveyor table includes a hollow assembly table and a circulating conveyor mechanism installed inside the assembly table;

[0014] The circulating conveying mechanism includes a transfer platform, a first lifting platform and a second lifting platform installed on both sides of the transfer platform. The first lifting platform and the second lifting platform are arranged on both sides of the assembly table. A cargo conveying component is installed on the transfer platform, the first lifting platform and the second lifting platform.

[0015] In a preferred embodiment of the present invention, the cargo conveying assembly includes a cargo plate slidably mounted on a transfer platform, a first lifting platform or a second lifting platform, a second rack mounted on the transfer platform, the first lifting platform or the second lifting platform, a second motor mounted on the cargo plate, and a second gear mounted on the output end of the second motor and meshing with the second rack.

[0016] A third rack that mates with the second rack is mounted on the assembly table.

[0017] In a preferred embodiment of the present invention, the clamp displacement mechanism includes a displacement seat, a first motor mounted on the displacement seat, a first gear mounted on the output end of the first motor, and a first rack meshing with the first gear;

[0018] The displacement seat is slidably fitted into the slide rail, and the first rack is installed in the slide rail;

[0019] A driving component is installed at the lower end of the displacement seat, a slider is installed at the output end of the driving component, and a first telescopic rod is installed vertically at the lower end of the slider. The slider is driven by the driving component to move laterally along the displacement seat.

[0020] In a preferred embodiment of the present invention, the valve seat clamp includes a first positioning claw installed at the end of the first telescopic rod, the clamping surface of the first positioning claw facing one side, the valve seat being sleeved on the first positioning claw, and a first vision component being installed at the center of the first positioning claw.

[0021] In a preferred embodiment of the present invention, a valve seat adapter mechanism is further included, which is mounted on the assembly table;

[0022] It includes a support frame symmetrically installed on both sides of the assembly table, a second telescopic rod horizontally installed on the support frame, and a second positioning gripper installed on the telescopic end of the second telescopic rod, with the two second positioning grippers installed opposite each other;

[0023] When the valve seat is installed, the second positioning jaw is coaxial with the first positioning jaw, and the jaws of the second positioning jaw and the jaws of the first positioning jaw are set at an angle to each other.

[0024] In a preferred embodiment of the present invention, the ball clamp includes a guide plate vertically mounted at the end of the first telescopic rod, and a third positioning claw mounted on the guide plate on the side opposite to the first telescopic rod. The third positioning claw is used to clamp the ball, and a second vision component is mounted on the guide plate at the center of the third positioning claw.

[0025] In a preferred embodiment of the present invention, the valve stem clamp includes a fourth positioning jaw vertically mounted at the end of the first telescopic rod, and a third vision component mounted at the center of the fourth positioning jaw.

[0026] In a preferred embodiment of the present invention, the valve cover clamp includes a fifth positioning jaw vertically mounted at the end of the first telescopic rod, a guide rod mounted at the center of the fifth positioning jaw, and a fourth vision component mounted at the end of the guide rod. Beneficial effects

[0027] The present invention provides an automated assembly device for ball valves, which is designed with a circulating conveyor platform that uses multiple platforms to work together to realize the circulating conveying of valve bodies, making it easy to load and unload materials and carry out assembly operations.

[0028] This invention designs a fixture displacement mechanism that enables precise movement of each fixture in three-dimensional space through lateral, longitudinal, and axial displacement functions, adapting to complex assembly requirements and significantly improving assembly efficiency and accuracy.

[0029] The assembly fixtures of this invention use vision-assisted positioning, clamping and assembly to complete the sequential assembly of each unit of the ball valve. The positioning and assembly accuracy is high, and corresponding positioning claws are designed for each assembly unit to ensure clamping force while ensuring assembly effect.

[0030] This invention addresses the assembly of valve seats by designing a valve seat clamp and a valve seat adapter mechanism, forming a three-bar linkage structure. This allows for the installation of left and right valve seats without changing the clamp, making it simple and efficient.

[0031] This invention discloses an automated assembly device for ball valves. Through the coordinated work of a circulating conveyor, a fixture displacement mechanism, and various assembly fixtures, it achieves efficient and precise automated assembly of ball valves. It has a small footprint and requires minimal investment. At the same time, the design fully considers the positioning accuracy, clamping stability, and adaptability to multiple specifications during the assembly process. It is particularly suitable for large-scale production environments and can significantly improve production efficiency and product quality. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of an automated assembly device for ball valves according to the present invention;

[0033] Figure 2 This is a schematic diagram of the structure of the circulating conveyor table described in this invention. Figure 1 ;

[0034] Figure 3 This is a schematic diagram of the structure of the circulating conveyor table described in this invention. Figure 2 ;

[0035] Figure 4 This is a schematic diagram of the structure of the clamp displacement mechanism described in this invention;

[0036] Figure 5 This is a schematic diagram of the installation structure of the valve seat clamp and the first telescopic rod according to the present invention;

[0037] Figure 6 This is a schematic diagram of the valve seat adapter mechanism described in this invention within the valve body.

[0038] Figure 7 This is a partial structural schematic diagram of the valve seat adapter mechanism and valve seat clamp described in this invention;

[0039] Figure 8 This is a schematic diagram of the spherical clamp described in this invention.

[0040] Figure 9 This is a schematic diagram of the installation structure of the valve stem clamp and the first telescopic rod according to the present invention;

[0041] Figure 10 This is a schematic diagram of the installation structure of the valve cover clamp and clamp displacement mechanism described in this invention. Figure 1 ;

[0042] Figure 11 This is a schematic diagram of the installation structure of the valve cover clamp and clamp displacement mechanism described in this invention. Figure 2 ;

[0043] Figure 12 This is a schematic diagram of the structure of the circulating conveyor table described in this invention. Figure 3 .

[0044] In the diagram: 1. Circulating conveyor, 11. Assembly table, 12. Transfer platform, 13. First lifting platform, 14. Second lifting platform, 15. Carrying conveyor assembly, 151. Carrying plate, 152. Second rack, 153. Second motor, 154. Limiting component.

[0045] 2. Support frame;

[0046] 3. Fixture displacement mechanism, 31. Displacement seat, 32. First motor, 33. Slider, 34. First rack, 35. Drive component, 36. First telescopic rod;

[0047] 4. Valve seat clamp; 41. First positioning gripper; 42. First vision component;

[0048] 5. Sphere clamp, 51. Guide plate, 52. Third positioning gripper, 53. Second vision component;

[0049] 6. Valve stem clamp; 61. Fourth positioning jaw; 62. Third vision component;

[0050] 7 Valve cover clamp, 71 Fifth positioning jaw, 72 Guide rod, 73 Fourth vision component;

[0051] 8. Valve seat adapter mechanism, 81. Support frame, 82. Second telescopic rod, 83. Second positioning gripper. Detailed Implementation

[0052] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0053] like Figure 1 As shown, an automated assembly device for ball valves includes a circulating conveyor 1 for conveying valve bodies;

[0054] The support frame 2 has the aforementioned circulating conveyor table 1 arranged inside it, and a slide is provided on the support frame 2 along the transport direction of the circulating conveyor table 1.

[0055] The clamp displacement mechanism 3 is installed in the slide rail and can move horizontally along the slide rail. Multiple clamp displacement mechanisms 3 are arranged and are used to install valve seat clamp 4, ball clamp 5, valve stem clamp 6 and valve cover clamp 7 respectively.

[0056] Valve seat clamp 4 is used to clamp the valve seat and move it along the slide to the position of the valve body, and to install the valve seat on the valve body;

[0057] Ball clamp 5 is used to clamp the ball and move it along the slide to the position of the valve seat, and to install the ball at the center of the valve seat;

[0058] Valve stem clamp 6 is used to clamp the valve stem and move it along the slide to the position of the ball, and to install the valve stem on the ball;

[0059] Valve cover clamp 7 is used to clamp the valve cover and move it along the slide to the position of the valve body, and install the valve cover on the valve body;

[0060] The working principle and beneficial effects of the above embodiments are as follows:

[0061] This invention addresses the automated assembly of ball valves, and designs a circulating conveyor 1 for transporting unassembled valve bodies and, after assembly, for unloading.

[0062] A support frame 2 is installed on the circulating conveyor table 1, which serves as the frame structure of the entire device. A slide is arranged on it to provide a moving track for the clamp displacement mechanism 3. At the same time, the clamp displacement mechanism 3 carries different clamps to the designated position for assembly operations.

[0063] in,

[0064] Valve seat clamp 4, ball clamp 5, valve stem clamp 6, and valve cover clamp 7 are used to clamp and install different parts of the ball valve into the valve body in sequence;

[0065] The present invention automates the entire assembly process, reduces manual operation, ensures good assembly consistency, and improves assembly efficiency and accuracy. Through the design of the rotary conveyor table and slide, the overall structure of the device is compact and occupies little space. The fixture displacement mechanism moves along the slide, which can adapt to the assembly process of ball valves of various specifications.

[0066] In one embodiment,

[0067] like Figure 2-3 As shown in Figures 1 and 12, the above-mentioned circulating conveyor 1 includes a hollow assembly platform 11 and a circulating conveyor mechanism installed inside the assembly platform 11.

[0068] The aforementioned circulating conveying mechanism includes a transfer platform 12, a first lifting platform 13 and a second lifting platform 14 installed on both sides of the transfer platform 12, the first lifting platform 13 and the second lifting platform 14 arranged on both sides of the assembly table 11, and a cargo conveying component 15 installed on the transfer platform 12, the first lifting platform 13 and the second lifting platform 14.

[0069] The aforementioned cargo conveying assembly 15 includes a cargo plate 151 slidably mounted on a transfer platform 12, a first lifting platform 13, or a second lifting platform 14; a second rack 152 mounted on the transfer platform 12, the first lifting platform 13, or the second lifting platform 14; a second motor 153 mounted on the cargo plate 151; and a second gear mounted on the output end of the second motor 153 and meshing with the second rack 152.

[0070] A third rack that mates with the second rack 152 is installed on the assembly table 11.

[0071] The assembly platform 11 of the present invention is the core frame of the entire circulating conveyor platform 1. It is designed with a hollow structure. The transfer platform 12 is located inside the assembly platform 11, and a first lifting platform 13 and a second lifting platform 14 are designed on both sides of it. Carrying conveyor components 15 are installed on the transfer platform 12, the first lifting platform 13 and the second lifting platform 14 to realize the cyclic movement of multiple carrying conveyor components 15.

[0072] First, the unassembled valve body is placed on the loading plate 151 of the first lifting platform 13, and driven by the second motor 153 to move to the assembly table 11 for assembly operations. After assembly, it is driven by the second motor 153 to move to the second lifting platform 14, where it is unloaded. Then, the empty loading plate 151 is moved down from the second lifting platform 14 to the location of the transfer platform 12, and the above steps are repeated.

[0073] It should be noted that,

[0074] Both the first lifting platform 13 and the second lifting platform 14 are equipped with lifting rods, which can be lifted by means of hydraulic, pneumatic or electric means. These are existing technologies and will not be described in detail here.

[0075] Limiting components 154 are installed on both sides of the loading plate 151. When the valve body is placed on the loading plate 151, the limiting components 154 clamp and limit the valve body. The limiting components 154 can be set as limiting grippers.

[0076] The present invention achieves continuous feeding by designing a first lifting platform 13 and a second lifting platform 14, enabling the ball valve assembly and transportation to be carried out simultaneously.

[0077] In one embodiment,

[0078] like Figure 4 As shown, the above-mentioned clamp displacement mechanism 3 includes a displacement seat 31, a first motor 32 mounted on the displacement seat 31, a first gear mounted on the output end of the first motor 32, and a first rack 34 meshing with the first gear.

[0079] The aforementioned displacement seat 31 is slidably fitted into the aforementioned slide rail, and the first rack 34 is installed in the slide rail;

[0080] A drive component 35 is installed at the lower end of the displacement seat 31, a slider 33 is installed at the output end of the drive component 35, and a first telescopic rod 36 is installed vertically at the lower end of the slider 33. The slider 33 is driven by the drive component 35 to move laterally along the displacement seat 31.

[0081] The displacement seat 31 and the slide rail of the present invention adopt an "I" shaped assembly structure. The displacement seat 31 is slidably fitted into the slide rail and is driven by the first motor 32 to move horizontally along the slide rail to achieve forward and backward displacement.

[0082] A slider 33 is installed at the lower end of the displacement seat 31 and is driven by the driving component 35 to move laterally along the displacement seat 31 to achieve left and right displacement; at the same time, a first telescopic rod 36 is installed at the lower end of the slider 33 to achieve up and down displacement.

[0083] The clamp displacement mechanism 3 of this invention realizes the precise movement of each clamp in three-dimensional space through the lateral, longitudinal and axial displacement functions, adapts to complex assembly requirements, and can significantly improve assembly efficiency and accuracy.

[0084] In one embodiment,

[0085] like Figure 5 As shown, the valve seat clamp 4 includes a first positioning claw 41 installed at the end of the first telescopic rod 36. The clamping surface of the first positioning claw 41 faces one side. The valve seat is sleeved on the first positioning claw 41. A first vision component 42 is installed at the center of the first positioning claw 41.

[0086] During operation, the unassembled valve body is transported to the assembly table 11 by the loading and conveying assembly 15. The valve seat is divided into two parts: a left valve seat and a right valve seat. The valve seat clamp 4 is driven by the clamp displacement mechanism 3 to clamp either valve seat and is transported to the inside of the valve body along with the clamp displacement mechanism 3.

[0087] It should be noted that,

[0088] The first positioning gripper 41 mentioned above includes a first clamping seat installed at the end of the first telescopic rod 36, and a plurality of retractable first support plates are evenly distributed along the circumference of the first clamping seat. A first limiting block is provided at one end of the first support plate near the first telescopic rod 36. The valve seat is sleeved on the first support plate and limited by the first limiting block.

[0089] The aforementioned first vision component 42 is installed at the center of the first clamp, which can be used to precisely align with the center position of the flow channel on the side of the valve body.

[0090] In actual production, two sets of valve seat clamps 4 can be configured to clamp a left valve seat and a right valve seat respectively. Figure 1 As not shown in the diagram, the valve seats are transported to the valve body for installation in sequence to improve assembly efficiency.

[0091] In one embodiment,

[0092] like Figure 6-7 As shown, it also includes a valve seat adapter mechanism 8, which is installed on the assembly table 11.

[0093] It includes a support frame 81 symmetrically installed on both sides of the assembly table 11, a second telescopic rod 82 horizontally installed on the support frame 81, and a second positioning claw 83 installed at the telescopic end of the second telescopic rod 82, with the two second positioning claws 83 installed opposite to each other.

[0094] When the valve seat is installed, the second positioning jaw 83 is coaxial with the first positioning jaw 41, and the jaws of the second positioning jaw 83 and the jaws of the first positioning jaw 41 are set at an angle to each other.

[0095] The valve seat adapter mechanism 8 described above, in conjunction with the first positioning gripper 41, enables the installation of the left and right valve seats. First, the second telescopic rod 82 drives the second positioning gripper 83 to move horizontally to the inside of the valve body. The first positioning gripper 83 retracts and extends into the valve seat fixed by the first positioning gripper 41. At this time, the second positioning gripper 83 extends outward to support the valve seat. The first positioning gripper 41 retracts, transferring the valve seat from the first positioning gripper 41 to the second positioning gripper 83. The second telescopic rod 82 then retracts to press the valve seat on the second positioning gripper 83 to one side into the valve body, completing the installation of the valve seat and the valve body.

[0096] It should be noted that,

[0097] The aforementioned second positioning gripper 83 includes a second clamping seat installed at the end of the second telescopic rod 82, and a plurality of retractable second support plates are evenly distributed along the circumference of the second clamping seat. A second limiting block is provided at one end of the second support plate away from the second telescopic rod 82. The valve seat is sleeved on the second support plate and limited by the second limiting block. Furthermore, the gripper of the second positioning gripper 83 and the gripper of the first positioning gripper 41 are set at an angle to each other, so as not to affect the interference between the two during the valve seat transfer process, thereby improving the reliability and efficiency of the transfer.

[0098] The valve seat clamp 4 and valve seat adapter 8 form a three-bar linkage structure, which enables the installation of the left and right valve seats without changing the clamp.

[0099] In one embodiment,

[0100] like Figure 8 As shown, the ball clamp 5 includes a guide plate 51 vertically installed at the end of the first telescopic rod 36, and a third positioning claw 52 installed on the side of the guide plate 51 away from the first telescopic rod 36. The third positioning claw 52 is used to clamp the ball, and a second vision component 53 is installed on the guide plate 51 at the center of the third positioning claw 52.

[0101] The third positioning gripper 52 grips the ball to the assembly table 11 via the second vision component 53. The second vision component 53 then checks the installation position of the ball again and adjusts the orientation of the third positioning gripper 52 to ensure that the ball is accurately installed into the valve body.

[0102] It should be noted that,

[0103] The third positioning gripper 52 is a double-headed gripper. With the assistance of the second vision component 53, it accurately grips the top of the sphere and is driven to move by the gripper displacement mechanism 3.

[0104] In one embodiment,

[0105] like Figure 9 As shown, the valve stem clamp 6 includes a fourth positioning claw 61 vertically mounted at the end of the first telescopic rod 36, and a third vision component 62 mounted at the center of the fourth positioning claw 61.

[0106] The clamp displacement mechanism 3 drives the fourth positioning jaw 61 to transport the valve stem to the assembly position of the ball. The third vision component 62 is activated again to identify the assembly position of the ball and adjust the position of the fourth positioning jaw 61 to ensure that the valve stem can be accurately installed onto the ball.

[0107] It should be noted that,

[0108] The fourth positioning gripper 61 is equipped with two layers of clamping heads, which have strong clamping force. The valve stem is hollow, so it does not affect the positioning function of the third vision component 62 when the valve stem enters the valve body.

[0109] In one embodiment,

[0110] like Figure 10-11 As shown, the valve cover clamp 7 includes a fifth positioning jaw 71 vertically mounted at the end of the first telescopic rod 36, a guide rod 72 mounted at the center of the fifth positioning jaw 71, and a fourth vision component 73 mounted at the end of the guide rod 72.

[0111] The valve cover is held by the fifth positioning gripper 71 through the fourth vision component 73, and the valve cover is driven to the assembly position of the valve body by the clamp displacement mechanism 3. The fourth vision component 73 is installed on the guide rod 72 and extends into the center hole of the valve cover to align it with the installation position of the valve body.

[0112] It should be noted that,

[0113] The fifth positioning gripper 71 is equipped with a gripping head extending circumferentially. A support platform is installed below the gripping head. Because the valve cover is heavy, the valve cover is placed on the support platform and clamped to prevent the valve cover from slipping during transportation and assembly, thus ensuring the assembly effect.

[0114] In summary:

[0115] This invention provides an automated assembly device specifically for ball valves. The design of the circulating conveyor uses multiple platforms to work together, realizing the circulating conveying of the valve body, which facilitates loading, unloading, and assembly operations.

[0116] This invention designs a fixture displacement mechanism that enables precise movement of each fixture in three-dimensional space through lateral, longitudinal, and axial displacement functions, adapting to complex assembly requirements and significantly improving assembly efficiency and accuracy.

[0117] The assembly fixtures of this invention use vision-assisted positioning, clamping and assembly to complete the sequential assembly of each unit of the ball valve. The positioning and assembly accuracy is high, and corresponding positioning claws are designed for each assembly unit to ensure clamping force while ensuring assembly effect.

[0118] This invention addresses the assembly of valve seats by designing a valve seat clamp and a valve seat adapter mechanism, forming a three-bar linkage structure. This allows for the installation of left and right valve seats without changing the clamp, making it simple and efficient.

[0119] This invention discloses an automated assembly device for ball valves. Through the coordinated work of a circulating conveyor, a clamp displacement mechanism, and various assembly clamps, it achieves efficient and precise automated assembly of ball valves. The design fully considers the positioning accuracy, clamping stability, and adaptability to multiple specifications during the assembly process. It is particularly suitable for large-scale production environments and can significantly improve production efficiency and product quality.

[0120] The foregoing has shown and described the basic principles, main features, and advantages of this invention. The terms "front," "back," "left," and "right" used herein are not specific and are primarily for the purpose of more intuitively illustrating the technical solution; they do not constitute a limitation. Those skilled in the art should understand that the above embodiments are only for illustrating the technical concept and characteristics of this invention, and their purpose is to enable those skilled in the art to understand the content of this invention and implement it. They should not be used to limit the scope of protection of this invention. All equivalent changes or modifications made according to the spirit and essence of this invention should be covered within the scope of protection of this invention.

Claims

1. An automated assembly device specifically for ball valves, characterized in that: Includes a circulating conveyor table (1) for conveying valve bodies; A support frame (2) is provided with the circulating conveyor (1) inside it, and a slide is provided on the support frame (2) along the transport direction of the circulating conveyor (1); The clamp displacement mechanism (3) is installed in the slide and can move horizontally along the slide. Multiple clamp displacement mechanisms (3) are arranged and are used to install valve seat clamp (4), ball clamp (5), valve stem clamp (6) and valve cover clamp (7) respectively. Valve seat clamp (4) is used to clamp the valve seat along the slide to the position of the valve body and install the valve seat on the valve body; A ball clamp (5) is used to clamp a ball and move it along the slide to the valve seat position, and to install the ball at the center of the valve seat; A valve stem clamp (6) is used to clamp the valve stem along the slide to the position of the ball and to install the valve stem on the ball; Valve cover clamp (7) is used to clamp the valve cover along the slide to the position of the valve body and install the valve cover on the valve body; The circulating conveyor (1) includes a hollow assembly platform (11) and a circulating conveyor mechanism installed in the assembly platform (11); The circulating conveying mechanism includes a transfer platform (12), a first lifting platform (13) and a second lifting platform (14) installed on both sides of the transfer platform (12). The first lifting platform (13) and the second lifting platform (14) are arranged on both sides of the assembly table (11). A cargo conveying component (15) is installed on the transfer platform (12), the first lifting platform (13) and the second lifting platform (14). The cargo conveying assembly (15) includes a cargo plate (151) slidably mounted on a transfer platform (12), a first lifting platform (13) or a second lifting platform (14), a second rack (152) mounted on the transfer platform (12), the first lifting platform (13) or the second lifting platform (14), a second motor (153) mounted on the cargo plate (151), and a second gear mounted on the output end of the second motor (153) and meshing with the second rack (152); A third rack that mates with the second rack (152) is installed on the assembly table (11); The clamp displacement mechanism (3) includes a displacement seat (31), a first motor (32) mounted on the displacement seat (31), a first gear mounted on the output end of the first motor (32), and a first rack (34) meshing with the first gear. The displacement seat (31) is slidably fitted into the slide rail, and the first rack (34) is installed in the slide rail; A drive component (35) is installed at the lower end of the displacement seat (31), a slider (33) is installed at the output end of the drive component (35), and a first telescopic rod (36) is installed vertically at the lower end of the slider (33). The slider (33) is driven by the drive component (35) to move laterally along the displacement seat (31). The valve seat clamp (4) includes a first positioning claw (41) installed at the end of the first telescopic rod (36). The clamping surface of the first positioning claw (41) faces one side. The valve seat is sleeved on the first positioning claw (41). A first vision component (42) is installed at the center of the first positioning claw (41). The ball clamp (5) includes a guide plate (51) vertically installed at the end of the first telescopic rod (36), and a third positioning claw (52) installed on the side of the guide plate (51) away from the first telescopic rod (36). The third positioning claw (52) is used to clamp the ball. A second vision component (53) is installed on the guide plate (51) at the center of the third positioning claw (52). The valve stem clamp (6) includes a fourth positioning jaw (61) vertically mounted at the end of the first telescopic rod (36) and a third vision component (62) mounted at the center of the fourth positioning jaw (61).

2. The automated assembly device for ball valves according to claim 1, characterized in that: It also includes a valve seat adapter (8), which is mounted on the assembly table (11); Includes a support frame (81) symmetrically installed on both sides of the assembly table (11), a second telescopic rod (82) horizontally installed on the support frame (81), and a second positioning gripper (83) installed at the telescopic end of the second telescopic rod (82), with the two second positioning grippers (83) installed opposite each other; When the valve seat is installed, the second positioning jaw (83) is coaxial with the first positioning jaw (41), and the jaws of the second positioning jaw (83) and the jaws of the first positioning jaw (41) are set at an angle to each other.

3. The automated assembly device for ball valves according to claim 1, characterized in that: The valve cover clamp (7) includes a fifth positioning jaw (71) vertically mounted at the end of the first telescopic rod (36), a guide rod (72) mounted at the center of the fifth positioning jaw (71), and a fourth vision component (73) mounted at the end of the guide rod (72).

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