Suspension conveying device for valve paint spraying

Abstract

The utility model discloses a suspension conveying device for paint spraying of valves, which comprises a support, a plurality of suspension mechanisms, a driving mechanism and a transmission mechanism, and the support is provided with a paint spraying station; the hanging mechanisms are arranged on the support at intervals in a sliding mode and used for hanging valves. The driving mechanism is connected with all the suspension mechanisms and used for driving all the suspension mechanisms to do annular reciprocating motion in the horizontal plane, so that all the suspension mechanisms enter the paint spraying station in turn; the transmission mechanism is arranged at the paint spraying station and used for being connected with the suspension mechanism entering the paint spraying station. The paint spraying device has the advantages that the valve entering the paint spraying station can rotate and move up and down while horizontally moving, when the valve is large, uniform paint spraying on the valve can be achieved through rotation and up-down movement of the valve, and the paint spraying effect on the valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve production, in particular to a suspension conveying device for valve spray painting. Background Art

[0002] Valves are control components in pipeline fluid delivery systems. They are used to change the cross-section of the passage and the flow direction of the medium. They have functions such as diversion, cut-off, throttling, check, diversion or overflow pressure relief.

[0003] The finished valves produced need to be painted. Before painting the valves, the existing valve painting device (such as a valve handwheel painting device disclosed in application number 202020863121.X) needs to hang each valve on different suspension components in turn, and then transport the valve to the painting component by the movement of the conveyor belt, and paint the valve through the painting component. During the process of painting the valve, the suspension component will rotate, so that the valve can rotate to achieve uniform painting of the valve. Since the valve can only rotate but not move up and down during the painting process, when the valve is large, the uniform painting of the valve can only be achieved by relying solely on the rotation of the valve, and the effect is poor. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and propose a suspension conveying device for valve painting, so as to solve the technical problem that in the prior art, the valve can only rotate but cannot move up and down during the painting process, and when the valve is large, the uniform painting of the valve is achieved only by relying on the rotation of the valve, resulting in poor effect.

[0005] In order to achieve the above technical purpose, the technical solution of the utility model provides a hanging conveying device for valve spray painting, comprising:

[0006] Bracket, with painting station;

[0007] A plurality of suspension mechanisms are slidably arranged on the bracket at intervals and used for suspending the valve;

[0008] A driving mechanism, connected to each of the suspension mechanisms, for driving each of the suspension mechanisms to perform circular reciprocating motion in a horizontal plane, so that each of the suspension mechanisms enters the painting station in turn;

[0009] The transmission mechanism is arranged at the painting station and is used to be connected with the suspension mechanism entering the painting station so as to convert the horizontal movement of the suspension mechanism at the painting station into the rotation and up and down movement of the suspension mechanism.

[0010] Furthermore, the suspension mechanism includes a fixed seat, a rotating member, a movable member and a hook. The upper end of the fixed seat is slidably disposed on the bracket, the upper end of the rotating member is rotatably connected to the bottom of the fixed seat, the movable member is slidably connected to the rotating member and can move up and down relative to the rotating member, and the upper end of the hook is rotatably connected to the bottom of the movable member.

[0011] Furthermore, the driving mechanism includes a chain belt, at least three sprockets and a rotating driving member. Each of the sprockets is rotatably mounted on the bracket via a rotating shaft and encloses a polygonal structure. The chain belt is closed and wound around each of the sprockets. Each of the fixed seats is connected to the chain belt. The rotating driving member is fixed on the bracket, and the output end of the rotating driving member is fixedly connected to the rotating shaft of one of the sprockets for driving the corresponding sprocket to rotate.

[0012] Furthermore, the transmission mechanism includes a first transmission member and a second transmission member, the first transmission member is used to connect with the rotating member to convert the horizontal movement of the rotating member at the painting station into the rotation of the rotating member, and the second transmission member is used to connect with the moving member to convert the horizontal movement of the moving member at the painting station into the up and down movement of the moving member.

[0013] Furthermore, the rotating member includes a rotating shaft and at least one limit block, the upper end of the rotating shaft is rotatably connected to the bottom of the fixed seat, and each of the limit blocks is fixedly mounted on the side wall of the lower end of the rotating shaft. The movable member includes a movable sleeve and a connecting shaft. The upper end of the movable sleeve is opened and slidably mounted on the rotating shaft along the length direction of the rotating shaft. The movable sleeve is provided with at least one limit groove extending along its length direction, and each of the limit blocks is slidably mounted in the corresponding limit groove, the upper end of the connecting shaft is fixedly connected to the bottom of the movable sleeve, and the upper end of the hook is fixedly connected to the bottom of the connecting shaft.

[0014] Furthermore, the first transmission member includes a rack and a gear, the rack is fixed on the bracket, and the gear is fixedly sleeved on the rotating shaft. When the suspension mechanism enters the painting station, the gear is meshed with the rack.

[0015] Furthermore, the second transmission member includes a transmission plate and a connecting rod, the transmission plate is fixed on the bracket, a transmission groove is provided on the transmission plate, the transmission groove extends in a horizontal direction, and both ends of the transmission groove are opened, the transmission groove is a broken line structure, and has a highest position and a lowest position, one end of the connecting rod is rotatably sleeved on the connecting shaft, and when the suspension mechanism enters the painting station, the connecting rod slides into the transmission groove.

[0016] Furthermore, the bracket includes a guide plate, which is an arc-shaped structure. The two ends of the guide plate are respectively connected to the two ends of the transmission plate to enclose a closed plate. A guide groove is provided on the guide plate, and the guide groove extends in a horizontal direction. Both ends of the guide groove are opened, and the two ends of the guide groove are respectively connected to the two ends of the transmission groove, and the connecting rod slides through the guide groove.

[0017] Furthermore, the second transmission member also includes an anti-dropping cap, which is fixed to the other end of the connecting rod, and the diameter of the anti-dropping cap is larger than the width of the transmission groove and the guide groove.

[0018] Furthermore, the bracket also includes a plurality of columns and a top plate, the top plate is fixedly arranged on the top of each of the columns, a slide groove is opened on the top plate, the slide groove is closed, and the upper end of the fixed seat is slidably arranged in the slide groove.

[0019] Compared with the prior art, the beneficial effects of the utility model include: when in use, each valve to be painted is suspended on the corresponding suspension mechanism respectively, and by manipulating the driving mechanism, the driving mechanism can drive each suspension mechanism to perform circular reciprocating motion in the horizontal plane, so that each suspension mechanism takes turns to enter the painting station, and the valve entering the painting station can be painted through the paint spraying assembly. Because when the suspension mechanism enters the painting station, the suspension mechanism will be connected to the transmission mechanism, and the transmission mechanism can convert the horizontal movement of the suspension mechanism in the painting station into the rotation and up and down movement of the suspension mechanism, so that the valve entering the painting station can rotate and move up and down while moving horizontally. When the valve is large, the rotation and up and down movement of the valve can be relied upon to achieve uniform painting of the valve, thereby improving the painting effect of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a suspension conveying device for valve spray painting provided by the utility model;

[0021] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of a valve painting suspension conveying device in another perspective;

[0022] Figure 3 yes Figure 2 The enlarged view of A in FIG.

[0023] In the figure: 100 - bracket, 110 - guide plate, 111 - guide groove, 120 - column, 130 - top plate, 131 - slide groove, 200 - suspension mechanism, 210 - fixed seat, 220 - rotating member, 221 - rotating shaft, 222 - limit block, 230 - moving member, 231 - moving sleeve, 2311 - limit groove, 232 - connecting shaft, 240 - hook, 300 - driving mechanism, 310 - chain belt, 320 - sprocket, 330 - rotating driving member, 400 - transmission mechanism, 410 - first transmission member, 411 - rack, 412 - gear, 420 - second transmission member, 421 - transmission plate, 4211 - transmission groove, 422 - connecting rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] The utility model provides a suspension conveying device for valve spray painting, and its structure is as follows Figure 1 - Figure 3 As shown, it includes a bracket 100, a plurality of suspension mechanisms 200, a driving mechanism 300 and a transmission mechanism 400, wherein the bracket 100 has a painting station; each of the suspension mechanisms 200 is slidingly arranged on the bracket 100 at intervals and is used for hanging the valve; the driving mechanism 300 is connected to each of the suspension mechanisms 200, and is used to drive each of the suspension mechanisms 200 to perform circular reciprocating motion in a horizontal plane, so that each of the suspension mechanisms 200 enters the painting station in turn; the transmission mechanism 400 is arranged at the painting station, and is used to connect with the suspension mechanism 200 entering the painting station, so as to convert the horizontal movement of the suspension mechanism 200 at the painting station into rotation and up and down movement of the suspension mechanism 200.

[0026] When in use, each valve to be painted is hung on the corresponding hanging mechanism 200 respectively, and the driving mechanism 300 is controlled so that the driving mechanism 300 can drive each hanging mechanism 200 to make a circular reciprocating motion in the horizontal plane, so that each hanging mechanism 200 enters the painting station in turn, and the valve entering the painting station can be painted through the paint spraying assembly. Because when the hanging mechanism 200 enters the painting station, the hanging mechanism 200 will be connected to the transmission mechanism 400, and the transmission mechanism 400 can convert the horizontal movement of the hanging mechanism 200 at the painting station into the rotation and up and down movement of the hanging mechanism 200, so that the valve entering the painting station can rotate and move up and down while moving horizontally. When the valve is large, the rotation and up and down movement of the valve can be relied on to achieve uniform painting of the valve, thereby improving the painting effect of the valve.

[0027] As a preferred embodiment, please refer to Figure 3 The suspension mechanism 200 includes a fixed seat 210, a rotating member 220, a movable member 230 and a hook 240. The upper end of the fixed seat 210 is slidably arranged on the bracket 100. The upper end of the rotating member 220 is rotatably connected to the bottom of the fixed seat 210. The movable member 230 is slidably connected to the rotating member 220 and can move up and down relative to the rotating member 220. The upper end of the hook 240 is rotatably connected to the bottom of the movable member 230. When the suspension mechanism 200 enters the painting station, the transmission mechanism 400 can convert the horizontal movement of the rotating member 220 into the rotation of the rotating member 220, and convert the horizontal movement of the movable member 230 into the up and down movement of the movable member 230.

[0028] As a preferred embodiment, please refer to Figure 1 and Figure 2The driving mechanism 300 includes a chain belt 310, at least three sprockets 320 and a rotating driving member 330. Each of the sprockets 320 is rotatably mounted on the bracket 100 via a rotating shaft and encloses a polygonal structure. The chain belt 310 is closed and wound around each of the sprockets 320. Each of the fixing seats 210 is connected to the chain belt 310. The rotating driving member 330 is fixed to the bracket 100. The output end of the rotating driving member 330 is connected to one of the chain belts 310. The rotating shaft of the wheel 320 is fixedly connected, and is used to drive the corresponding sprocket 320 to rotate. By manipulating the rotating driving member 330, the rotating driving member 330 can drive the corresponding sprocket 320 to rotate, and drive the other sprockets 320 to rotate synchronously through the transmission action of the chain belt 310. According to the transmission principle of the sprocket 320 and the chain belt 310, the chain belt 310 can perform circular reciprocating motion, and drive each of the suspension mechanisms 200 to perform circular reciprocating motion.

[0029] As a preferred embodiment, please refer to Figure 3 The transmission mechanism 400 includes a first transmission member 410 and a second transmission member 420. The first transmission member 410 is used to connect with the rotating member 220 to convert the horizontal movement of the rotating member 220 in the painting station into the rotation of the rotating member 220. The second transmission member 420 is used to connect with the moving member 230 to convert the horizontal movement of the moving member 230 in the painting station into the up and down movement of the moving member 230. When the suspension mechanism 200 enters the painting station, the first transmission member 410 can convert the horizontal movement of the rotating member 220 into the rotation of the rotating member 220, and the second transmission member 420 can convert the horizontal movement of the moving member 230 into the up and down movement of the moving member 230.

[0030] As a preferred embodiment, please refer to Figure 3The rotating member 220 includes a rotating shaft 221 and at least one stop block 222. The upper end of the rotating shaft 221 is rotatably connected to the bottom of the fixed seat 210. Each of the stop blocks 222 is fixedly mounted on the side wall of the lower end of the rotating shaft 221. The moving member 230 includes a moving sleeve 231 and a connecting shaft 232. The upper end of the moving sleeve 231 is opened and slidably mounted on the rotating shaft 221 along the length direction of the rotating shaft 221. The moving sleeve 231 is provided with at least one stop block extending along its length direction. The limiting groove 2311, each limiting block 222 is slidably set in the corresponding limiting groove 2311, the upper end of the connecting shaft 232 is fixedly connected to the bottom of the movable sleeve 231, and the upper end of the hook 240 is fixedly connected to the bottom of the connecting shaft 232. Since each limiting block 222 is slidably set in the corresponding limiting groove 2311, the rotating shaft 221 can drive the movable sleeve 231 to rotate when it rotates, and the movable sleeve 231 can move up and down relative to the rotating shaft 221.

[0031] As a preferred embodiment, please refer to Figure 3 The first transmission member 410 includes a rack 411 and a gear 412. The rack 411 is fixed on the bracket 100, and the gear 412 is fixedly sleeved on the rotating shaft 221. When the suspension mechanism 200 enters the painting station, the gear 412 is meshed with the rack 411. As the fixed seat 210 continues to move in the horizontal direction, the rotating shaft 221 will be driven to continue to move in the horizontal direction. According to the meshing transmission principle of the gear 412 and the rack 411, the gear 412 will rotate, thereby driving the rotating shaft 221 to rotate. Since each of the limit blocks 222 is respectively slidably arranged in the corresponding limit groove 2311, when the rotating shaft 221 rotates, it can drive the movable sleeve 231 to rotate, so that the valve can rotate.

[0032] As a preferred embodiment, please refer to Figure 3The second transmission member 420 includes a transmission plate 421 and a connecting rod 422. The transmission plate 421 is fixed on the bracket 100. A transmission groove 4211 is provided on the transmission plate 421. The transmission groove 4211 extends in the horizontal direction, and both ends of the transmission groove 4211 are opened. The transmission groove 4211 is a broken line structure and has a highest position and a lowest position. One end of the connecting rod 422 is rotatably sleeved on the connecting shaft 232. When the suspension mechanism 200 enters the painting station , the connecting rod 422 slides into the transmission groove 4211. Since the transmission groove 4211 is a broken line structure and has a highest position and a lowest position, as the rotating shaft 221 continues to move in the horizontal direction, it will drive the movable sleeve 231 to move continuously in the horizontal direction, and then drive the connecting rod 422 to move continuously in the horizontal direction. Since the connecting rod 422 is restricted by the transmission groove 4211, the connecting rod 422 can move up and down, and drive the movable sleeve 231 to move up and down.

[0033] As a preferred embodiment, please refer to Figure 2 and Figure 3 The bracket 100 includes a guide plate 110, which is an arc-shaped structure. The two ends of the guide plate 110 are respectively connected to the two ends of the transmission plate 421 to enclose a closed plate. A guide groove 111 is provided on the guide plate 110. The guide groove 111 extends in the horizontal direction, and both ends of the guide groove 111 are opened. The two ends of the guide groove 111 are respectively connected to the two ends of the transmission groove 4211. The connecting rod 422 slides through the guide groove 111. The connecting rod 422 can be guided by the guide groove 111 so that the connecting rod 422 can automatically enter the transmission groove 4211 to avoid the need to manually move the connecting rod 422 into the transmission groove 4211 after the connecting rod 422 rotates.

[0034] As a preferred embodiment, the second transmission member 420 also includes an anti-dropping cap, which is fixed to the other end of the connecting rod 422. The diameter of the anti-dropping cap is larger than the width of the transmission groove 4211 and the guide groove 111, thereby preventing the connecting rod 422 from falling off from the transmission groove 4211 and the guide groove 111.

[0035] As a preferred embodiment, please refer to Figure 1The bracket 100 also includes a plurality of columns 120 and a top plate 130. The top plate 130 is fixedly mounted on the top of each of the columns 120. A slide groove 131 is provided on the top plate 130. The slide groove 131 is closed. The upper end of the fixed seat 210 is slidably mounted in the slide groove 131. The fixed seat 210 can be guided by the slide groove 131, so that the movement of the fixed seat 210 is more stable.

[0036] As a preferred embodiment, the center of the turning point of the slide groove 131 and the center of the turning point of the guide groove 111 are respectively coaxially arranged with the corresponding sprockets 320, so that the fixing seat 210 and the connecting rod 422 can smoothly turn and transition at the turning point.

[0037] In order to better understand the present invention, the following Figure 1 - Figure 3 The working principle of the technical solution of the utility model is described in detail:

[0038] When in use, each valve to be painted is hung on the corresponding hook 240 respectively, and the rotating driving member 330 is controlled so that the rotating driving member 330 can drive the corresponding sprocket 320 to rotate, and the transmission action of the chain belt 310 drives the other sprockets 320 to rotate synchronously. According to the transmission principle of the sprocket 320 and the chain belt 310, the chain belt 310 can make a circular reciprocating motion, and drive each of the hanging mechanisms 200 to make a circular reciprocating motion, so that each The suspension mechanism 200 enters the painting station in turn, and the valve entering the painting station can be painted through the painting assembly. When the suspension mechanism 200 enters the painting station, the gear 412 is meshed with the rack 411. As the fixed seat 210 continues to move in the horizontal direction, the rotating shaft 221 will continue to move in the horizontal direction. According to the meshing transmission principle of the gear 412 and the rack 411, the gear 412 will rotate, thereby driving the rotating shaft 221 to rotate. , since each of the limit blocks 222 is slidably arranged in the corresponding limit grooves 2311, the rotating shaft 221 can drive the movable sleeve 231 to rotate when rotating, so that the valve can rotate. When the suspension mechanism 200 enters the painting station, the connecting rod 422 slides into the transmission groove 4211. Since the transmission groove 4211 is a broken line structure and has a highest position and a lowest position, as the rotating shaft 221 continues to move in the horizontal direction, it will drive the movable sleeve 231 to continue to move in the horizontal direction, and then drive the connecting rod 422 to continue to move in the horizontal direction. Since the connecting rod 422 is restricted by the transmission groove 4211, the connecting rod 422 can move up and down, and drive the movable sleeve 231 to move up and down, so that the valve can move up and down, so that the valve entering the painting station can rotate and move up and down while moving horizontally. When the valve is large, the valve can be evenly sprayed with paint by relying on the rotation and up and down movement of the valve, thereby improving the painting effect of the valve.

[0039] The utility model provides a suspension conveying device for valve spraying paint, which has the following beneficial effects:

[0040] (1) The guide groove 111 can guide the connecting rod 422 so that the connecting rod 422 can automatically enter the transmission groove 4211, thereby preventing the connecting rod 422 from being manually moved into the transmission groove 4211 after the connecting rod 422 rotates. The anti-drop cap can prevent the connecting rod 422 from falling out of the transmission groove 4211 and the guide groove 111.

[0041] (2) When the suspension mechanism 200 enters the painting station, the gear 412 meshes with the rack 411. As the fixed seat 210 continues to move in the horizontal direction, the rotating shaft 221 is driven to continue to move in the horizontal direction. According to the meshing transmission principle of the gear 412 and the rack 411, the gear 412 rotates, thereby driving the rotating shaft 221 to rotate. Since each of the limit blocks 222 is slidably disposed in the corresponding limit groove 2311, the rotating shaft 221 can drive the movable sleeve 231 to rotate when rotating, so that the valve can rotate. When the suspension mechanism 200 enters the painting station, the connecting rod 422 slides into the transmission groove 4211. Since the transmission groove 4211 is a broken line structure and has a highest position and a lowest position, as the rotating shaft 221 continues to move in the horizontal direction, the movable sleeve 231 will be driven to move in the horizontal direction, thereby driving the connecting rod 422 to move in the horizontal direction. Since the connecting rod 422 is restricted by the transmission groove 4211, the connecting rod 422 can move up and down, and drive the movable sleeve 231 to move up and down, so that the valve can move up and down;

[0042] (3) The valve entering the painting station can rotate and move up and down while moving horizontally. When the valve is large, the valve can be evenly painted by rotating and moving up and down, thereby improving the painting effect of the valve.

[0043] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A hanging conveying device for valve painting, characterized in that: include: Bracket, with painting station; A plurality of suspension mechanisms are slidably arranged on the bracket at intervals and used for suspending the valve; A driving mechanism, connected to each of the suspension mechanisms, for driving each of the suspension mechanisms to perform circular reciprocating motion in a horizontal plane, so that each of the suspension mechanisms enters the painting station in turn; The transmission mechanism is arranged at the painting station and is used to be connected with the suspension mechanism entering the painting station to convert the horizontal movement of the suspension mechanism at the painting station into rotation and up and down movement of the suspension mechanism.

2. The valve painting suspension conveying device according to claim 1 is characterized in that: The suspension mechanism includes a fixed seat, a rotating member, a movable member and a hook. The upper end of the fixed seat is slidably arranged on the bracket. The upper end of the rotating member is rotatably connected to the bottom of the fixed seat. The movable member is slidably connected to the rotating member and can move up and down relative to the rotating member. The upper end of the hook is rotatably connected to the bottom of the movable member.

3. The valve painting suspension conveying device according to claim 2 is characterized in that: The driving mechanism includes a chain belt, at least three sprockets and a rotating driving member. Each of the sprockets is rotatably mounted on the bracket via a rotating shaft and encloses a polygonal structure. The chain belt is closed and wound around each of the sprockets. Each of the fixed seats is connected to the chain belt. The rotating driving member is fixed on the bracket. The output end of the rotating driving member is fixedly connected to the rotating shaft of one of the sprockets for driving the corresponding sprocket to rotate.

4. The hanging conveying device for valve painting according to claim 2 is characterized in that: The transmission mechanism includes a first transmission member and a second transmission member, the first transmission member is used to connect with the rotating member to convert the horizontal movement of the rotating member at the painting station into the rotation of the rotating member, and the second transmission member is used to connect with the moving member to convert the horizontal movement of the moving member at the painting station into the up and down movement of the moving member.

5. The hanging conveying device for valve painting according to claim 4 is characterized in that: The rotating member includes a rotating shaft and at least one limit block, the upper end of the rotating shaft is rotatably connected to the bottom of the fixed seat, and each of the limit blocks is fixedly arranged on the side wall of the lower end of the rotating shaft. The movable member includes a movable sleeve and a connecting shaft. The upper end of the movable sleeve is opened and slidably sleeved on the rotating shaft along the length direction of the rotating shaft. The movable sleeve is provided with at least one limit groove extending along the length direction thereof, and each of the limit blocks is slidably arranged in the corresponding limit groove, the upper end of the connecting shaft is fixedly connected to the bottom of the movable sleeve, and the upper end of the hook is fixedly connected to the bottom of the connecting shaft.

6. The hanging conveying device for valve painting according to claim 5 is characterized in that: The first transmission member includes a rack and a gear, the rack is fixed on the bracket, and the gear is fixedly sleeved on the rotating shaft. When the suspension mechanism enters the painting station, the gear is meshed with the rack.

7. The hanging conveying device for valve painting according to claim 5, characterized in that: The second transmission member includes a transmission plate and a connecting rod. The transmission plate is fixed on the bracket. A transmission groove is provided on the transmission plate. The transmission groove extends in a horizontal direction, and both ends of the transmission groove are opened. The transmission groove is a broken line structure and has a highest position and a lowest position. One end of the connecting rod is rotatably sleeved on the connecting shaft. When the suspension mechanism enters the painting station, the connecting rod slides into the transmission groove.

8. The valve painting suspension conveying device according to claim 7, characterized in that: The bracket includes a guide plate, which is an arc-shaped structure. The two ends of the guide plate are respectively connected to the two ends of the transmission plate to enclose a closed plate. A guide groove is provided on the guide plate. The guide groove extends in a horizontal direction, and both ends of the guide groove are opened. The two ends of the guide groove are respectively connected to the two ends of the transmission groove, and the connecting rod slides through the guide groove.

9. The hanging conveying device for valve painting according to claim 8, characterized in that: The second transmission member further comprises an anti-dropping cap, which is fixedly arranged at the other end of the connecting rod, and the diameter of the anti-dropping cap is greater than the width of the transmission groove and the guide groove.

10. The hanging conveying device for valve painting according to claim 2, characterized in that: The bracket also includes a plurality of columns and a top plate. The top plate is fixedly mounted on the top of each of the columns. A slide groove is provided on the top plate. The slide groove is closed, and the upper end of the fixed seat is slidably mounted in the slide groove.

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