Workpiece turnover device for coating processing

By combining components such as the height adjustment base, drive motor, height adjustment screw, lifting platform, rotating mechanism, and clamping platform, the problem that existing devices cannot adapt to workpieces of different specifications and shapes is solved, achieving precise workpiece flipping and protective clamping, and improving the adaptability and efficiency of painting operations.

CN121060741APending Publication Date: 2025-12-05JIANGSU NUOSHENG ENVIRONMENTAL PROTECTION TECH
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Patent Information

Application Number
CN202511144784.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-15
Publication Date
2025-12-05

AI Technical Summary

Technical Problem

Existing workpiece flipping devices for painting processes lack precise positioning systems, adjustable height lifting platforms, and modular clamping mechanisms, making them unsuitable for workpieces of different specifications and shapes.

Method used

By combining components such as a height-adjusting base, drive motor, height-adjusting screw, lifting platform, rotating mechanism, turntable, clamping platform, and electric telescopic rod, it can achieve precise height adjustment, multi-angle flipping, and clamping of workpieces of different sizes.

Benefits of technology

It enables precise height adjustment and multi-angle flipping of workpieces, adapting to the coating needs of workpieces of different sizes, reducing surface damage, and improving the adaptability and efficiency of coating operations.

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Abstract

The invention relates to the technical field of coating processing devices, in particular to a workpiece turnover device for coating processing, which comprises a height adjusting base, a driving motor is embedded in the outer wall of the upper end of the height adjusting base through a bolt, an output shaft of the driving motor is connected with a height adjusting screw rod, and the top end of the height adjusting screw rod is connected with a height adjusting top seat through a bearing; limiting rods are connected to the outer wall of the lower end of the height adjusting top seat and penetrate through the two sides of the height adjusting screw rod, the outer walls of the height adjusting screw rod and the limiting rods are sleeved with a lifting table, one end of the lifting table is connected with a rotating mechanism, the other end of the rotating mechanism is connected with a rotating table, and a flange shaft penetrates through the middle of the rotating table through a bearing. The workpiece turnover device for coating machining is provided with the lifting table, the lifting table achieves accurate height adjustment through the height adjusting base, the driving motor and the height adjusting screw, and stable rotation of the rotary table is achieved by combining a rotary base, a first motor and gear transmission in the rotary mechanism.
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Description

Technical Field

[0001] This invention relates to the field of coating processing equipment technology, specifically a workpiece flipping device for coating processing. Background Technology

[0002] Workpiece flipping devices for painting processes are mainly used to flip and position workpieces during the painting process to ensure uniform coating and accommodate workpieces of different shapes and sizes. The flipping device typically uses adjustable clamping distance fixtures or auxiliary fixing mechanisms to stabilize the workpiece, adapting to workpieces of various specifications and shapes. It is widely used in industries such as metallurgy and sheet metal processing.

[0003] A search revealed a workpiece flipping device with publication number CN109278005A, which includes a frame and a workpiece fixing seat mounted on the frame via a rotating shaft. This patent uses a hydraulically driven flipping mechanism, lacks a relatively accurate positioning system, and is missing an adjustable height lifting platform structure and a modular clamping mechanism.

[0004] A workpiece flipping structure for an automatic spraying production line, with publication number CN222709977U, includes a workpiece fixing structure that is slidably installed on the front side of the traveling structure. This mechanism is driven by a single motor and cannot achieve multi-dimensional precise adjustment of height, rotation, and reversal. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a workpiece flipping device for coating processing, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a workpiece flipping device for coating processing, comprising:

[0007] The height-adjustable base has a drive motor bolted to its upper outer wall. The output shaft of the drive motor is connected to a height-adjusting screw. The top of the height-adjusting screw is connected to a height-adjusting top seat via a bearing. A limit rod is connected to the lower outer wall of the height-adjusting top seat, and the limit rod passes through both sides of the height-adjusting screw. A lifting platform is fitted onto the outer wall of the height-adjusting screw and the limit rod. One end of the lifting platform is connected to a rotating mechanism, and the other end of the rotating mechanism is connected to a turntable. A flange shaft passes through the middle of the turntable via a bearing. A second motor is bolted to the top of the turntable. A second drive gear is fixed to the output shaft of the second motor. Rotary arms are bolted to both ends of the flange shaft. A connecting flange is fixed at the connection between the rotating arm and the flange shaft. A second driven gear is annularly mounted on the outer wall of the connecting flange near the second drive gear, and the second driven gear meshes with the lower outer wall of the second drive gear. A clamp is fixed to the outer wall of the rotating arm away from the connecting flange.

[0008] Optionally, a rotating base is provided at the connection between the rotating mechanism and the lifting platform. A groove is formed on the inner surface of the middle part of the rotating base. A first motor is bolted to the upper inner wall of the groove. A first drive gear is fixed to the output shaft of the first motor. A first driven gear is meshed with the lower outer wall of the first drive gear. The first driven gear is mounted on the inner surface of the middle part of the rotating base through a rotating shaft. A turntable is fixed to the end of the first driven gear away from the rotating base. The turntable is fixed to the outer wall of the rotating platform on the side close to the lifting platform. An annular groove is formed on the outer wall of the turntable. A limiting ring is provided at the connection between the rotating base and the annular groove.

[0009] Optionally, the height adjustment screw is rotatably connected to the height adjustment base and the height adjustment top via the output shaft of the drive motor, and the lifting platform is slidably connected to the limit rod via the height adjustment screw and the output shaft of the drive motor, and the lifting platform is parallel to the height adjustment base and the height adjustment top.

[0010] Optionally, the flange shaft is rotatably connected to the turntable, and the second driven gear is rotatably connected to the turntable via the second drive gear and the output shaft of the second motor. The rotating arm is rotatably connected to the turntable via the connecting flange, the flange shaft, and the second driven gear. Meanwhile, the clamping platform is rotatably connected to the turntable via the rotating arm.

[0011] Optionally, the groove forms a semi-enclosed structure with the first driving gear and the first driven gear, and the first driven gear is rotatably connected to the rotary table through the first driving gear and the output shaft of the first motor, and the turntable is rotatably connected to the rotary table through the first driven gear.

[0012] Optionally, the limiting ring matches the shape of the annular groove, and the turntable and the turntable form a semi-enclosed structure, and the turntable is rotatably connected to the turntable through the annular groove and the limiting ring.

[0013] Optionally, electric telescopic rods are bolted to the outer walls of both ends of the clamping platform. A clamping groove is formed on the outer wall of the end of the clamping platform away from the rotating arm. The telescopic end of the electric telescopic rod extends through the inner walls of both sides of the clamping groove. A clamping plate is fixed to the telescopic end of the electric telescopic rod, and the clamping plate is placed inside the clamping groove. A protective rubber plate is installed on the inner surface of the clamping plate by bolts.

[0014] Optionally, the electric telescopic rod and the clamping plate are symmetrically arranged about the central axis of the clamping platform, and the protective rubber plate forms a telescopic connection with the clamping groove through the telescopic ends of the clamping plate and the electric telescopic rod.

[0015] Optionally, the inner surface of the clamping plate is also connected to an extension member by bolts. An extension plate is provided in the middle of the extension member. Vertically welded connecting plates are fixed at both ends of the extension plate. A protective rubber plate is connected to the inner surface of the end of the connecting plate away from the clamping platform by bolts. The extension member and the clamping plate form a detachable structure through the connecting plate.

[0016] This invention provides a workpiece flipping device for coating processing, which has the following beneficial effects:

[0017] 1. The workpiece flipping device for coating processing is equipped with a lifting platform. The lifting platform achieves precise height adjustment through the height adjustment base, drive motor and height adjustment screw. Combined with the turntable, first motor and gear transmission in the rotating mechanism, the turntable achieves stable rotation.

[0018] 2. The workpiece flipping device for coating processing is equipped with a rotating arm. The workpiece is flipped at multiple angles by driving the flange shaft and the rotating arm through a second motor. At the same time, the clamping table is equipped with an electric telescopic rod, a detachable extension part and a protective rubber plate, which can adapt to workpieces of different sizes and avoid surface damage. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the combined working state structure of the present invention;

[0020] Figure 2 This is an enlarged structural diagram of the combined lifting platform and turntable of the present invention.

[0021] Figure 3 This is an enlarged structural diagram of the disassembled rotating mechanism of the present invention;

[0022] Figure 4 This is an enlarged structural diagram of the disassembled rotating arm section of the present invention;

[0023] Figure 5 This is an enlarged structural diagram of the disassembled clamping platform and extension parts of the present invention.

[0024] In the diagram: 1. Height adjustment base; 2. Drive motor; 3. Height adjustment screw; 4. Height adjustment top seat; 5. Limiting rod; 6. Lifting platform; 7. Rotating mechanism; 701. Rotary seat; 702. Insert groove; 703. First motor; 704. First drive gear; 705. First driven gear; 706. Turntable; 707. Annular groove; 708. Limiting ring; 8. Turntable; 801. Flange shaft; 9. Second motor; 10. Second drive gear; 11. Rotating arm; 12. Connecting flange; 13. Second driven gear; 14. Clamping platform; 15. Electric telescopic rod; 16. Clamping groove; 17. Clamping plate; 18. Protective rubber plate; 19. Extension piece; 1901. Extension plate; 1902. Connecting plate. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0026] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] Please see Figures 1 to 5This invention provides a technical solution: a workpiece flipping device for coating processing, comprising: a height-adjusting base 1, a drive motor 2 bolted to the upper outer wall of the height-adjusting base 1, a height-adjusting screw 3 connected to the output shaft of the drive motor 2, a height-adjusting top seat 4 connected to the top of the height-adjusting screw 3 via a bearing, the height-adjusting screw 3 being rotatably connected to the height-adjusting base 1 and the height-adjusting top seat 4 via the output shaft of the drive motor 2, and a limit rod 5 connected to the lower outer wall of the height-adjusting top seat 4, the limit rod 5 passing through both sides of the height-adjusting screw 3, the limit rod 5 being used to prevent the lifting platform 6 from swinging on the height-adjusting screw 3, and maintaining the lifting platform 6 in a vertical position. The stability of the structure is ensured by the following: A lifting platform 6 is fitted onto the outer wall of the height adjustment screw 3 and the limiting rod 5. The lifting platform 6 is slidably connected to the limiting rod 5 via the output shaft of the height adjustment screw 3 and the drive motor 2. The lifting platform 6 is parallel to the height adjustment base 1 and the height adjustment top seat 4. One end of the lifting platform 6 is connected to a rotating mechanism 7, and the other end of the rotating mechanism 7 is connected to a turntable 8. A flange shaft 801 passes through the middle of the turntable 8 via a bearing. The flange shaft 801 and the turntable 8 are rotatably connected. The bearing enables the rotating structure of this invention to rotate smoothly and stably, and the flange shaft 801 provides a connection point for the connected structure. Rotation adjustment is performed on the turntable 8 side; a second motor 9 is bolted to the top of the turntable 8, and a second drive gear 10 is fixed to the output shaft of the second motor 9. Rotary arms 11 are bolted to both ends of the flange shaft 801, and a connecting flange 12 is fixed at the connection between the rotating arm 11 and the flange shaft 801. A second driven gear 13 is circumferentially arranged on the outer wall of the connecting flange 12 near the second drive gear 10, and the second driven gear 13 meshes with the lower outer wall of the second drive gear 10. The second driven gear 13 forms a rotatable connection with the turntable 8 through the second drive gear 10 and the output shaft of the second motor 9. The arm 11 is rotatably connected to the turntable 8 via the connecting flange 12, the flange shaft 801, and the second driven gear 13. The height of the arm 11 is adjusted by the lifting platform 6, and the rotation is adjusted by the output shaft of the flange shaft 801 and the second motor 9, thereby adjusting the height and angle of the clamped workpiece, making it more suitable for different workpiece coating requirements. A clamping platform 14 is fixed to the outer wall of the end of the arm 11 away from the connecting flange 12, and the clamping platform 14 is rotatably connected to the turntable 8 via the arm 11. The clamping platform 14 is used to clamp the workpiece waiting for coating, which facilitates the flipping adjustment of the workpiece by the flipping device.

[0029] Please see Figures 1 to 5A workpiece flipping device for coating processing includes: a rotating base 701 provided at the connection between the rotating mechanism 7 and the lifting platform 6; a groove 702 is formed on the inner surface of the middle part of the rotating base 701; a first motor 703 is bolted to the upper inner wall of the groove 702; a first drive gear 704 is fixed to the output shaft of the first motor 703; a first driven gear 705 meshes with the lower outer wall of the first drive gear 704; and the first driven gear 705 is mounted on the inner surface of the middle part of the rotating base 701 via a rotating shaft. The groove 702, the first drive gear 704, and the first driven gear 705 form a semi-enclosed structure. The first driven gear 705 is rotatably connected to the rotating base 701 via the first drive gear 704 and the output shaft of the first motor 703. A turntable 706 is fixed to the end of the first driven gear 705 away from the rotating base 701, and the rotating base 701 and the turntable 706 are connected... The turntable 706 is fixed to the outer wall of the turntable 8 near the lifting platform 6, forming a semi-enclosed structure. The turntable 706 is rotatably connected to the rotating base 701 via a first driven gear 705. An annular groove 707 is provided on the outer wall of the turntable 706. A limiting ring 708 is provided at the connection between the rotating base 701 and the annular groove 707. The limiting ring 708 matches the shape of the annular groove 707. The turntable 8 is rotatably connected to the rotating base 701 via the annular groove 707 and the limiting ring 708. The rotation mechanism 7 drives the first drive gear 704 and the first driven gear 705 through the output shaft of the first motor 703, and the annular groove 707 and the limiting ring 708 limit and adjust the turntable 706. This allows the turntable 706 to be stably rotated and adjusted on one side of the rotating base 701, making it convenient for workers to rotate and adjust the clamped workpiece according to the needs of different coating operations.

[0030] Example 1:

[0031] Please see Figure 1 and Figure 4A workpiece flipping device for coating processing includes: electric telescopic rods 15 bolted to the outer walls of both ends of a clamping platform 14; the electric telescopic rods 15 and clamping plates 17 are symmetrically arranged about the central axis of the clamping platform 14; a clamping groove 16 is formed on the outer wall of the end of the clamping platform 14 away from the rotating arm 11; the telescopic end of the electric telescopic rod 15 extends through the inner walls of both sides of the clamping groove 16; the telescopic end of the electric telescopic rod 15 is fixed to the clamping plate 17, and the clamping plate 17 is placed inside the clamping groove 16; a protective rubber plate 18 is bolted to the inner surface of the clamping plate 17, and the protective rubber plate 18 forms a telescopic connection with the clamping groove 16 through the clamping plate 17 and the telescopic end of the electric telescopic rod 15; the clamping plate 17 and the protective rubber plate 18 are used to clamp and stabilize the workpiece inside the clamping groove 16; the protective rubber plate 18 is used to protect the clamped workpiece inside the clamping plate 17, reduce scratch damage, and improve the accuracy of workpiece coating.

[0032] Example 2:

[0033] Please see Figure 1 and Figure 5 A workpiece flipping device for coating processing includes: an extension 19 connected to the inner surface of the clamping plate 17 by bolts; an extension plate 1901 provided in the middle of the extension 19; vertically welded connecting plates 1902 fixed at both ends of the extension plate 1901; a protective rubber plate 18 connected to the inner surface of the end of the connecting plate 1902 away from the clamping platform 14 by bolts; and the extension 19 and the clamping plate 17 forming a detachable structure through the connecting plate 1902. The extension 19 expands the size of the workpiece to be clamped through the extension plate 1901, so that the clamping plate 17 can clamp the workpiece to be coated outside the clamping groove 16 through the extension 19 and the connecting plate 1902 fixed on the extension 19, thereby improving the applicability of the flipping device to workpieces of different specifications and sizes.

[0034] In summary, in this workpiece flipping device for coating processing, the height adjustment screw 3 is stabilized by the height adjustment base 1 and the height adjustment top seat 4. The height adjustment base 1 and the height adjustment top seat 4 are fixed to a stable working surface in the working environment by fasteners. The height adjustment base 1 drives the height adjustment screw 3 to rotate through the drive motor 2, thereby driving the lifting platform 6 sleeved on the height adjustment screw 3 and the limit rod 5 to achieve vertical lifting. In the rotating mechanism 7, the first motor 703 drives the first drive gear 704 to drive the first driven gear 705 to rotate, thereby causing the turntable 706 to rotate horizontally in the turntable 701 through the cooperation of the annular groove 707 and the limit ring 708. The second motor 9 on the turntable 8 drives the flange shaft 801 to rotate through the second drive gear 10 meshing with the second driven gear 13, thereby causing the rotating arm 1 connected to the flange 12 to rotate. 1. To achieve workpiece flipping, the electric telescopic rod 15 on the clamping platform 14 drives the clamping plate 17 to extend and retract within the clamping groove 16, and works in conjunction with the protective rubber plate 18 to clamp the workpiece. The extension part 19 expands the clamping range through the extension plate 1901 and the connecting plate 1902. The device achieves precise adjustment of height, horizontal rotation and flipping angle through motor coordinated control, which is suitable for the coating needs of workpieces of different sizes. Bearings ensure smooth rotation, bolts and other fasteners ensure structural stability, each motor is equipped with a brake to achieve precise positioning, and the protective rubber plate 18 is made of fluororubber to extend its service life. This flipping device significantly improves the adaptability and efficiency of coating operations through the modular design of height and angle adjustment, the high stability of gear transmission, and the expandable clamping structure, and is suitable for the flipping needs of various workpieces.

[0035] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A workpiece flipping device for coating processing, characterized in that, The utility model provides a height -adjusting base (1), the upper end outer wall of height -adjusting base (1) is embedded with drive motor (2) through bolt, the output shaft of drive motor (2) is connected with height -adjusting screw rod (3), the top end of height -adjusting screw rod (3) is connected with height -adjusting top seat (4) through bearing, the lower end outer wall of height -adjusting top seat (4) is connected with limit rod (5), and limit rod (5) is arranged in the both sides of height -adjusting screw rod (3), the outer wall of height -adjusting screw rod (3) and limit rod (5) is equipped with lifting platform (6), one end of lifting platform (6) is connected with rotating mechanism (7), the other end of rotating mechanism (7) is connected with rotary table (8), the middle part of rotary table (8) is arranged in flange shaft (801) through bearing, the top end of rotary table (8) is installed with second motor (9) through bolt, the output shaft of second motor (9) is fixed with second drive gear (10), the both ends of flange shaft (801) are connected with rotating arm (11) through bolt, the junction of rotating arm (11) and flange shaft (801) is fixed with connecting flange (12), one end outer wall of connecting flange (12) is equipped with second driven gear (13) near second drive gear (10), and second driven gear (13) is engaged in the lower end outer wall of second drive gear (10), the one end outer wall of rotating arm (11) is fixed with clamping table (14) away from connecting flange (12). The junction of rotating mechanism (7) and lifting platform (6) is provided with rotary seat (701), the middle part inner surface of rotary seat (701) is provided with embedding groove (702), the upper end inner wall of embedding groove (702) is embedded with first motor (703) through bolt, the output shaft of first motor (703) is fixed with first drive gear (704), the lower end outer wall of first drive gear (704) is engaged with first driven gear (705), and first driven gear (705) is installed on the middle part inner surface of rotary seat (701) through rotating shaft, the one end of first driven gear (705) is fixed with turntable (706) away from rotary seat (701), and turntable (706) is fixed on the one side outer wall of rotary table (8) near lifting platform (6), the outer wall of turntable (706) is provided with annular groove (707), the junction of rotary seat (701) and annular groove (707) is equipped with limit ring (708).

2. The workpiece turnover device for painting processing according to claim 1, characterized in that: The output shaft of drive motor (2) is connected between height -adjusting screw rod (3), height -adjusting base (1) and height -adjusting top seat (4), and lifting platform (6) is connected between height -adjusting screw rod (3) and limit rod (5) through the output shaft of drive motor (2), and lifting platform (6), height -adjusting base (1) and height -adjusting top seat (4) are parallel.

3. The workpiece turnover device for painting processing according to claim 1, characterized in that: ​ 4. The workpiece turnover device for painting processing according to claim 1, characterized in that: The flange shaft (801) is rotationally connected with the rotating table (8), the second driven gear (13) is rotationally connected with the rotating table (8) through the output shaft of the second driving gear (10) and the second motor (9), and the rotating arm (11) is rotationally connected with the rotating table (8) through the connecting flange (12), the flange shaft (801) and the second driven gear (13), and the clamping table (14) is rotationally connected with the rotating table (8) through the rotating arm (11).

5. The workpiece turnover device for painting processing according to claim 2, characterized in that: The slot (702) is semi-enclosed with the first driving gear (704) and the first driven gear (705), the first driven gear (705) is rotationally connected with the rotating seat (701) through the output shaft of the first driving gear (704) and the first motor (703), and the rotating disc (706) is rotationally connected with the rotating seat (701) through the first driven gear (705).

6. The workpiece turnover device for painting processing according to claim 2, characterized in that: The limiting ring (708) is matched with the outer shape of the annular groove (707), the rotating seat (701) is semi-enclosed with the rotating disc (706), and the rotating table (8) is rotationally connected with the rotating seat (701) through the annular groove (707) and the limiting ring (708).

7. The workpiece turnover device for painting processing according to claim 1, characterized in that: The outer wall of the two ends of the clamping table (14) is embedded with the electric telescopic rod (15) through bolts, the outer wall of one end of the clamping table (14) away from the rotating arm (11) is provided with a clamping groove (16), the telescopic end of the electric telescopic rod (15) penetrates through the inner walls of the two sides of the clamping groove (16), the telescopic end of the electric telescopic rod (15) is fixedly provided with a clamping plate (17), the clamping plate (17) is arranged on the inner side of the clamping groove (16), and the inner side surface of the clamping plate (17) is provided with a protective rubber plate (18) through bolts.

8. The workpiece turnover device for painting processing according to claim 7, characterized in that: The electric telescopic rod (15) and the clamping plate (17) are symmetrically arranged about the central axis of the clamping table (14), and the protective rubber plate (18) is telescopically connected between the clamping groove (16) and the telescopic end of the electric telescopic rod (15) and the clamping plate (17).

9. The workpiece turnover device for painting processing according to claim 7, characterized in that: The inner side surface of the clamping plate (17) is further connected with an extension piece (19) through bolts, the middle part of the extension piece (19) is provided with an extension plate (1901), the two ends of the extension plate (1901) are fixedly provided with a vertically welded connecting plate (1902), the inner side surface of one end of the connecting plate (1902) away from the clamping table (14) is connected with a protective rubber plate (18) through bolts, and the extension piece (19) is detachably connected between the connecting plate (1902) and the clamping plate (17).

Citation Information

Patent Citations

  • Workpiece turnover device

    CN109278005A

  • A workpiece turning structure for automatic spraying production line

    CN222709977U