A conveying catwalk for a spray workpiece

By designing the conveyor rail with adjustment and connection components, the problem of complex adjustment of hook spacing in traditional conveyor rails is solved, enabling rapid adjustment and easy disassembly of hook spacing, thus improving the efficiency of paint-coated workpiece production.

CN224573934UActive Publication Date: 2026-07-31NANTONG PENGYA PRECISION MASCH TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANTONG PENGYA PRECISION MASCH TECH CO LTD
Filing Date
2025-06-30
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The existing conveyor rails for spray-painted workpieces are cumbersome to operate when adjusting the hook spacing, requiring specialized tools and time-consuming, and are difficult to quickly adapt to the size requirements of workpieces of different specifications.

Method used

A conveyor rail including adjustment and connection components was designed. The design of the rotating shaft and threaded section enables flexible adjustment of the hook spacing, and the operation of the handwheel and pull rod enables quick assembly and disassembly of the hooks, simplifying the adjustment and installation process.

Benefits of technology

It enables rapid adjustment of hook spacing and easy disassembly and assembly of hooks, improving work efficiency, reducing operation time, and adapting to the needs of different production scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of spraying technology and discloses a conveyor rail for spraying workpieces, including a rail body, a hook at the bottom of the rail body, and a workpiece body connected to one side of the hook; an adjustment component is provided on the lower side of the rail body, which is used to adjust the spacing of the hooks; a connecting component is provided on the lower side of the adjustment component, which is used to assemble and disassemble the hooks; the adjustment component includes a fixed frame, and a rotating shaft is rotatably connected to the inner wall of the fixed frame. The rotating shaft can be rotated by turning a handwheel clockwise or counterclockwise. Since the threads of the two threaded sections on the rotating shaft are opposite, when the rotating shaft rotates, the two first sliding plates will move in opposite or opposite directions along the guide post at the same time, thereby realizing the adjustment of the spacing between the two hooks. The operation is simple and easy to understand, requiring no complicated tools or professional skills, greatly saving adjustment time, improving work efficiency, and being able to quickly adapt to the requirements of hook spacing in different production scenarios.
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Description

Technical Field

[0001] This utility model relates to the field of spraying technology, specifically to a conveyor rail for spraying workpieces. Background Technology

[0002] Spraying is a coating method that uses a spray gun or disc atomizer to disperse the material into uniform and fine droplets using pressure or centrifugal force, and then applies the mixture to the surface of the object being coated. It can be divided into air spraying, airless spraying, electrostatic spraying, and various derivative methods of the above basic spraying forms.

[0003] In the production process of spray-painted workpieces, conveyor rails are crucial equipment used to transfer workpieces from one station to another. Currently, common conveyor rails for spray-painted workpieces are typically equipped with hooks for suspending the workpieces to achieve stable transport.

[0004] Existing conveyor rails have many inconveniences in practical use. Different specifications of sprayed workpieces have different sizes, requiring the spacing between hooks to be flexibly adjusted according to the workpiece size. Traditional conveyor rails often have complicated hook spacing adjustment methods. Some conveyor rails require the use of special tools, such as wrenches and screwdrivers, to change the spacing by disassembling and reinstalling hooks or adjusting the fixed position of hooks. The operation is cumbersome and time-consuming. Therefore, a conveyor rail for sprayed workpieces is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a conveyor rail for spraying workpieces to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a conveyor rail for spraying workpieces, comprising a rail body, a hook at the bottom of the rail body, and a workpiece body connected to one side of the hook;

[0007] The lower side of the main body of the lifting rail is provided with an adjustment component, which is used to adjust the spacing of the hooks;

[0008] The adjustment component is provided with a connecting component on its lower side, and the connecting component is used for assembling and disassembling the hook;

[0009] The adjustment assembly includes a fixed frame, a rotating shaft rotatably connected to the inner wall of the fixed frame, two threaded sections on the outer side of the rotating shaft, a first sliding plate threadedly connected to the outer side of the threaded sections, and a connecting plate fixed to the bottom of the first sliding plate;

[0010] The connecting component includes a limiting frame, the limiting frame having a sliding groove inside, and a second sliding plate slidably connected to the inner side of the sliding groove.

[0011] Preferably, the two threaded segments have opposite thread directions, and two guide posts are fixed to the inner wall of the fixing frame. The first slide plate is connected to the outside of the guide posts through a linear bearing.

[0012] Preferably, as described above, one end of the rotating shaft is fixed with a handwheel, and a bolt is threadedly connected to one side of the handwheel, with one end of the bolt abutting against one side of the fixing frame.

[0013] Preferably, the bottom sides of the main body of the hanging rail are fixed with limit plates, and rollers are rotatably connected to both sides of the main body of the hanging rail. A support frame is rotatably connected to one side of the rollers through a bearing.

[0014] Preferably, the support frame is fixed to the top of the fixed frame, and the connecting plates are located on both sides of the bottom of the fixed frame.

[0015] Preferably, the bottom of the connecting plate is provided with a limiting groove, the top of the hook is adapted to the inner side of the limiting groove, and a locking groove is provided on one side of the top of the hook.

[0016] Preferably, as described above, a pull rod and a locking rod are fixed on both sides of the second slide plate respectively. When the locking rod is inserted into the inner side of the locking groove, the hook is in a connected state, and when the locking rod leaves the inner side of the locking groove, the hook is in a disassembled state.

[0017] Preferably, the pull rod extends movably through one side of the limiting frame, a spring connects the second slide plate and the slide groove, a cover plate is connected to the top side of the limiting frame by screws, and one side of the limiting frame is fixed to one side of the connecting plate.

[0018] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0019] 1. The shaft can be rotated by turning the handwheel clockwise or counterclockwise. Since the threads of the two threaded sections on the shaft are opposite, when the shaft rotates, the two first sliding plates will move in opposite directions or in a straight line along the guide post at the same time, thereby realizing the adjustment of the distance between the two hooks. The operation is simple and easy to understand, requiring no complicated tools or professional skills, which greatly saves adjustment time, improves work efficiency, and can quickly adapt to the requirements of hook distance in different production scenarios.

[0020] 2. By pulling the lever outward, the locking rod is disengaged from the hook's locking groove, allowing the hook to be easily removed from the limiting groove for disassembly. The entire process requires no complex tools, is simple, and can quickly complete the hook disassembly. During installation, first pull the lever to retract the locking rod, accurately place the top of the hook into the limiting groove of the connecting plate, and then release the lever. The spring will automatically push the second sliding plate and locking rod back into the hook's locking groove to complete the locking. The entire installation process is accurate in positioning, smooth in operation, and can quickly complete the hook installation, improving work efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a first-view structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the left cross-sectional structure of the limiting frame of this utility model;

[0025] Figure 4 This is a schematic diagram of the threaded section of this utility model;

[0026] Figure 5 This is a schematic diagram of the guide post structure of this utility model.

[0027] Explanation of reference numerals in the attached drawings: 1. Main body of the lifting rail; 2. Main body of the workpiece to be painted; 3. Adjustment assembly; 31. Fixing frame; 32. Connecting plate; 33. First sliding plate; 34. Guide column; 35. Bolt; 36. Threaded section; 37. Rotating shaft; 4. Limiting plate; 5. Connecting assembly; 51. Limiting frame; 52. Pull rod; 53. Spring; 54. Second sliding plate; 55. Slide groove; 56. Locking rod; 57. Locking groove; 58. Cover plate; 59. Limiting groove; 6. Hook; 7. Roller; 8. Support frame. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0030] Example

[0031] Please see Figure 1-5 This utility model provides a technical solution: a conveyor rail for spraying workpieces, including a rail body 1. The rail body 1 serves as the main load-bearing and moving track, providing a stable foundation structure for the entire device. The rail body 1 is installed on the inner top of the spraying workshop, and the length of the rail body 1 can be defined according to the size of the spraying workshop. Figure 1 Only the main body 1 of the hanging rail is shown. The bottom of the main body 1 has hooks 6, and one side of the hooks 6 is connected to the workpiece body 2 to be painted. The main body 1 is used to suspend and transport the workpiece body 2. The spacing of the hooks 6 can be adjusted by the adjusting component 3 to accommodate workpiece bodies 2 of different sizes, and the hooks 6 can be quickly assembled and disassembled via the connecting component 5. The lower side of the main body 1 has an adjusting component 3 for adjusting the spacing of the hooks 6; the lower side of the adjusting component 3 has a connecting component 5 for assembling and disassembling the hooks 6; limit plates 4 are fixed on both sides of the bottom of the main body 1, and rollers 7 are rotatably connected to both sides of the main body 1. One side of each roller 7 is rotatably connected to a support frame 8 via a bearing.

[0032] The adjustment assembly 3 includes a fixed frame 31. A maintenance door (not shown in the figure) is provided on one side of the fixed frame 31. A rotating shaft 37 is rotatably connected to the inner wall of the fixed frame 31. Two threaded sections 36 are provided on the outer side of the rotating shaft 37. A first sliding plate 33 is threadedly connected to the outer side of the threaded section 36. A connecting plate 32 is fixed to the bottom of the first sliding plate 33. When the operator turns the handwheel, the rotating shaft 37 is driven to rotate. Since the two threaded sections 36 have opposite thread directions and the threaded sections 36 are trapezoidal threads, the two first sliding plates 33 move towards or away from each other along the guide post 34. The guide post 34 is located on both sides of the bottom of the rotating shaft 37 and supports the weight of the sprayed workpiece body 2.

[0033] The threads of the two threaded sections 36 are in opposite directions. Two guide posts 34 are fixed to the inner wall of the fixing frame 31. The first slide plate 33 is connected to the outside of the guide posts 34 through a linear bearing. Both the rotating shaft 37 and the outside of the guide posts 34 are fitted with screw rod guards to prevent foreign objects from contacting the threads during spraying. The screw rod guards are fixed to the inner wall of the fixing frame 31 and one side of the first slide plate 33, respectively. The maintenance door and the screw rod guards are opened periodically to apply lubricating oil to the outside of the threaded sections 36. The first slide plate 33 drives the hooks 6 on both sides to move synchronously through the connecting plate 32. The distance between the hooks 6 can be adjusted by bringing them close together or separating them. A handwheel is fixed to one end of the rotating shaft 37, and a bolt 35 is threadedly connected to one side of the handwheel. One end of the bolt 35 abuts against one side of the fixed frame 31. After adjustment, the bolt 35 is tightened to press against the side of the fixed frame 31, and the rotating shaft 37 is locked by friction to prevent rotation. The support frame 8 is fixed to the top of the fixed frame 31, and the connecting plate 32 is located on both sides of the bottom of the fixed frame 31. The bottom of the hook 6 hooks the sprayed workpiece body 2. The workpiece distance is adjusted by adjusting the component 3 to adapt to different spraying process requirements.

[0034] The connecting assembly 5 includes a limiting frame 51, with a sliding groove 55 inside the limiting frame 51. A second sliding plate 54 is slidably connected to the inner side of the sliding groove 55. A limiting groove 59 is opened at the bottom of the connecting plate 32. The top of the hook 6 is adapted to the inner side of the limiting groove 59. A locking groove 57 is opened on one side of the top of the hook 6. The spring 53 pushes the second sliding plate 54 to insert the locking rod 56 into the locking groove 57 at the top of the hook 6. The top of the hook 6 is fixed by the limiting groove 59 and the locking rod 56. Pulling the pull rod 52 outward causes the second sliding plate 54 to compress the spring 53, and the locking rod 56 disengages from the locking groove 57. At this time, the hook 6 can be taken out upward.

[0035] The second slide plate 54 is fixed with a pull rod 52 and a locking rod 56 on both sides respectively. When the locking rod 56 is inserted into the inner side of the locking groove 57, the hook 6 is in the connected state. When the locking rod 56 leaves the inner side of the locking groove 57, the hook 6 is in the disassembled state. The pull rod 52 moves through one side of the limiting frame 51. A spring 53 is connected between the second slide plate 54 and the slide groove 55. A cover plate 58 is connected to the top side of the limiting frame 51 by screws. The cover plate 58 is fixed to the top side of the limiting frame 51 by screws, which makes it easy to open for maintenance or replacement of the internal spring 53. One side of the limiting frame 51 is fixed to one side of the connecting plate 32.

[0036] Working principle: The main body 1 of the hanging rail is the primary load-bearing and moving track. The hook 6 is located at the bottom of the main body 1 and is used to suspend the workpiece body 2 to be sprayed. The rollers 7 are mounted on the support frame 8 via bearings. The support frame 8 is fixed to the top of the fixing frame 31 of the adjusting assembly 3. The rollers 7 roll along both sides of the main body 1, enabling the entire device to move on the main body 1. The limiting plates 4 are located on both sides of the bottom of the main body 1, which helps to guide and limit the movement trajectory of the rollers 7.

[0037] When it is necessary to adjust the distance between the two hooks 6, turn the handwheel clockwise or counterclockwise to drive the rotating shaft 37 to rotate. Since the threads of the two threaded sections 36 are opposite, when the rotating shaft 37 rotates, the two first sliding plates 33 connected to them will move in opposite directions or in a straight line along the guide post 34. The bottom of the first sliding plate 33 is fixed with a connecting plate 32. The movement of the connecting plate 32 directly drives the connecting assembly 5 and the hooks 6 installed below it to move. Therefore, turning the handwheel can adjust the distance between the two hooks 6 in the same and opposite directions to accommodate different widths of the sprayed workpiece body 2. After the adjustment is in place, tighten the bolt 35 on one side of the handwheel so that its end is tightly against the side of the fixing frame 31. The friction will prevent the handwheel and the rotating shaft 37 from rotating accidentally, thereby locking the current distance between the hooks 6.

[0038] When it is necessary to disassemble the hook 6, pull the pull rod 52 outward. Pulling the pull rod 52 will cause the second slide plate 54 to slide in the slide groove 55, compressing the spring 53. The movement of the second slide plate 54 will cause the locking rod 56 fixed on it to disengage from the locking groove 57 of the hook 6. When the locking rod 56 is completely out of the locking groove 57, the hook 6 is only positioned by the limiting groove 59 but has no locking force. At this time, the hook 6 can be taken out downward from the limiting groove 59 to complete the disassembly.

[0039] When the hook 6 needs to be installed, pull the lever 52 to retract the locking lever 56, put the top of the hook 6 into the limiting groove 59 of the connecting plate 32, release the lever 52, the spring 53 pushes the second sliding plate 54 and the locking lever 56 to reset and insert into the locking groove 57 of the hook 6 to complete the locking, and hang the sprayed workpiece body 2 on the hook 6.

[0040] In summary, rotating the handwheel clockwise or counterclockwise will drive the rotating shaft 37 to rotate. Since the threads of the two threaded sections 36 on the rotating shaft 37 are opposite, when the rotating shaft 37 rotates, the two first sliding plates 33 will move in opposite directions or in a straight line along the guide post 34 at the same time, thereby realizing the adjustment of the distance between the two hooks 6. The operation is simple and easy to understand, requiring no complicated tools or professional skills, which greatly saves adjustment time, improves work efficiency, and can quickly adapt to the requirements of hook 6 distance in different production scenarios.

[0041] By pulling the lever 52 outward, the locking lever 56 is disengaged from the locking groove 57 of the hook 6, and the hook 6 can be easily removed from the limiting groove 59 to complete the disassembly. The entire process does not require complicated tools, the steps are simple, and the disassembly of the hook 6 can be completed quickly. During installation, first pull the lever 52 to retract the locking lever 56, accurately place the top of the hook 6 into the limiting groove 59 of the connecting plate 32, and then release the lever 52. The spring 53 will automatically push the second sliding plate 54 and the locking lever 56 to reset and insert into the locking groove 57 of the hook 6 to complete the locking. The entire installation process is accurate in positioning and smooth in operation, which can quickly complete the installation of the hook 6 and improve work efficiency.

[0042] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A transfer trolley for spraying workpieces, comprising a trolley body (1), characterized in that, The bottom of the main body (1) of the hanging rail is provided with a hook (6), and the workpiece body (2) to be sprayed is connected to one side of the hook (6); The lower side of the main body (1) of the suspension rail is provided with an adjustment component (3), which is used to adjust the spacing of the hooks (6); The adjustment component (3) is provided with a connecting component (5) on its lower side, and the connecting component (5) is used for the assembly and disassembly of the hook (6); The adjustment component (3) includes a fixed frame (31), the inner wall of the fixed frame (31) is rotatably connected to a rotating shaft (37), the outer side of the rotating shaft (37) is provided with two threaded sections (36), the outer side of the threaded sections (36) is threadedly connected to a first sliding plate (33), and a connecting plate (32) is fixed at the bottom of the first sliding plate (33). The connecting component (5) includes a limiting frame (51), which has a sliding groove (55) inside, and a second sliding plate (54) is slidably connected to the inside of the sliding groove (55).

2. The transfer trolley of claim 1, wherein, The two threaded segments (36) have opposite thread directions. Two guide posts (34) are fixed to the inner wall of the fixing frame (31). The first sliding plate (33) is connected to the outside of the guide posts (34) by a linear bearing.

3. A transfer trolley for use in painting workpieces according to claim 2, wherein One end of the rotating shaft (37) is fixed with a handwheel, and a bolt (35) is threadedly connected to one side of the handwheel. One end of the bolt (35) abuts against one side of the fixing frame (31).

4. The transfer monorail of claim 3 wherein, Limit plates (4) are fixed on both sides of the bottom of the main body (1) of the hanging rail. Rollers (7) are rotatably connected to both sides of the main body (1). A support frame (8) is rotatably connected to one side of the roller (7) through a bearing.

5. A transfer trolley for use in painting workpieces according to claim 4, wherein The support frame (8) is fixed to the top of the fixed frame (31), and the connecting plate (32) is located on both sides of the bottom of the fixed frame (31).

6. The transfer monorail of claim 1 wherein, The bottom of the connecting plate (32) is provided with a limiting groove (59), the top of the hook (6) is adapted to the inner side of the limiting groove (59), and a locking groove (57) is provided on one side of the top of the hook (6).

7. A transfer trolley for use in painting workpieces according to claim 6, wherein The second slide (54) is fixed with a pull rod (52) and a locking rod (56) on both sides respectively. When the locking rod (56) is inserted into the inside of the locking groove (57), the hook (6) is in the connected state. When the locking rod (56) leaves the inside of the locking groove (57), the hook (6) is in the disassembled state.

8. A transfer trolley for use in painting workpieces according to claim 7, wherein The pull rod (52) extends movably through one side of the limiting frame (51), and a spring (53) is connected between the second slide plate (54) and the slide groove (55). A cover plate (58) is connected to the top side of the limiting frame (51) by screws, and one side of the limiting frame (51) is fixed to one side of the connecting plate (32).