Multidirectional adjustable workpiece suspension bracket for metal piece surface treatment

Abstract

The utility model discloses a multidirectional adjustable workpiece suspension bracket for metal part surface treatment, and relates to the field of metal part suspension brackets, the multidirectional adjustable workpiece suspension bracket comprises a treatment tank body, a bracket is fixedly connected to the surface of the treatment tank body, an auxiliary plate is slidably connected to the interior of the bracket, and an auxiliary assembly which can be independently adjusted on the basis of synchronous movement is arranged in the auxiliary plate; a hanger body is arranged at the bottom of the auxiliary assembly. Through a nested structure of the auxiliary plate and the auxiliary assembly, double-mode free switching of synchronous movement and independent adjustment is achieved, the industrial pain point that a traditional hanging frame cannot carry workpieces of different sizes in a mixed mode is solved, in the treatment stage, the limiting and fixing state of the hanging frame body is relieved, the hanging frame body shakes in a groove through impact of water, and the service life of the hanging frame body is prolonged. And in the moving-out stage, the limiting plate moves downwards to limit a hook on the top of the hanging frame body, the swinging inertia of the workpiece is completely restrained, and moving collision is completely eradicated.

Description

Technical Field

[0001] This application relates to the field of metal part suspension brackets, and more particularly to multi-directional adjustable workpiece suspension brackets for surface treatment of metal parts. Background Technology

[0002] In the electrophoretic coating process for metal surfaces, the suspension frame is a key component of the electrophoretic coating production line. It is used to suspend metal workpieces so that they are completely immersed in the electrophoretic paint. Through the action of an electric field, a uniform and dense coating film is formed on the surface of the workpiece. The flexibility and stability of the workpiece suspension frame directly affect the pretreatment effect and the coating quality.

[0003] The existing Chinese utility model patent with publication number CN222931434U discloses a uniformly processed metal plate electrophoretic pretreatment device; however, it still has the following shortcomings in practical use:

[0004] This patent uses a scissor lift mechanism to force all hangers to move synchronously, which can only accommodate batch processing of workpieces of the same specification. When the production line needs to process metal parts with significantly different sizes (such as large chassis and small brackets), it cannot achieve an asymmetrical layout, resulting in low space utilization or a surge in the risk of workpiece collisions. Secondly, this patent uses a bottom push rod to mechanically push the hangers to swing in order to enhance the cleaning effect. During the removal of the workpieces from the tank, the suspended workpieces may collide due to inertial swing, increasing the rework rate. Utility Model Content

[0005] To improve the problems of equidistant limitations and easy collisions, this application provides a multi-directional adjustable workpiece suspension bracket for surface treatment of metal parts.

[0006] The multi-directional adjustable workpiece suspension bracket for surface treatment of metal parts provided in this application adopts the following technical solution:

[0007] A multi-directional adjustable workpiece suspension frame for surface treatment of metal parts includes a treatment tank, a support fixedly connected to the surface of the treatment tank, an auxiliary plate slidably connected inside the support, an auxiliary component for independent adjustment on the basis of synchronous movement inside the auxiliary plate, and a hanging frame body at the bottom of the auxiliary component.

[0008] By adopting the above technical solution, through the nested structure of auxiliary plates and auxiliary components, the dual-mode switching of synchronous movement and independent adjustment can be achieved, solving the industry pain point that traditional suspension frames cannot mix and support workpieces of different sizes.

[0009] Preferably, the auxiliary component includes a movable plate rotatably connected to the surface of the auxiliary plate, a sliding column fixedly connected to the inner wall of the auxiliary plate, an array of first sliders slidably connected to the outer surface of the sliding column and slidably connected to the inner wall of the auxiliary plate, and a second slider slidably connected to the outer surface of the first slider.

[0010] By adopting the above technical solution, the nested sliding of the first slider and the second slider provides a physical basis for independent distance adjustment.

[0011] Preferably, the surface of the first slider is provided with a circular groove, and a T-shaped column is slidably connected inside the circular groove and slidably connected through the inside of the second slider. A movable block that slides on the inner wall of the second slider is symmetrically fixedly connected to the surface of the T-shaped column, and a spring is fixedly connected between the surface of the movable block and the inner wall of the second slider.

[0012] By adopting the above technical solution, the wedge-shaped contact surface of the T-shaped column enhances the locking force, avoids the slider displacement caused by the disturbance of the treatment fluid, and the T-shaped column is convenient for manual adjustment by the staff.

[0013] Preferably, the first slider has a third slide groove that passes through it, and a limiting plate is slidably connected inside the third slide groove. An array of springs is fixedly connected between the surface of the limiting plate and the inner wall of the third slide groove. The surface of the first slider has a hook groove that is movably connected to the hanger body.

[0014] By adopting the above technical solution, the third slide rail double spring design ensures that it can still lock when a single spring fails.

[0015] Preferably, an auxiliary block is fixedly connected to one side of the surface of the bracket, and a connecting rod that slides inside the third groove is fixedly connected to one side of the surface of the limiting plate.

[0016] By adopting the above technical solution, the auxiliary block is fixed to the bracket. When the bracket rises to the top, the connecting rod contacts the auxiliary block, forcing the limit plate to reset and lock, achieving reliable locking without the need for sensors.

[0017] Preferably, the inner wall of the auxiliary plate is symmetrically provided with a first sliding groove, a movable plate is slidably connected inside the first sliding groove, and a ball screw is rotatably connected to the inner wall of the auxiliary plate and fixedly connected to the surface of the movable plate.

[0018] By adopting the above technical solution, the ball screw converts the motor torque into a smooth linear thrust, thereby increasing the load capacity.

[0019] Preferably, the surface of the movable plate is provided with a second sliding groove distributed in a circumferential array, and a third slider is slidably connected inside the second sliding groove and fixedly connected to the surface of the second slider.

[0020] By adopting the above technical solution, the inclined design of the second slide provides track space for the second slider to slide independently.

[0021] Preferably, a motor is fixedly connected to the surface of the auxiliary plate, the output end of the motor is fixedly connected to a ball screw, and a cylinder is fixedly connected to one side of the surface of the bracket, the output end of the cylinder is fixed to the surface of the auxiliary plate.

[0022] By adopting the above technical solution, the cylinder pushes the auxiliary plate to move vertically, controlling the workpiece to be immersed in and removed from the treatment liquid.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. By opening a second slide groove (vertical in the middle and inclined on both sides) with five extended lines converging at a point on the moving plate, the lifting and lowering of the moving plate enables the hanging frame body to move synchronously and equidistantly from the middle to both sides. By lifting the T-shaped column out of the inside of the circular groove to unlock the second slider locking structure, each hanging frame body can move independently within the second slide groove, breaking through the limitations of traditional equidistant adjustment. When the metal parts on different hanging frame bodies have large size differences (such as large sheet metal parts and small precision parts mixed on the line), the spacing can be manually increased to completely avoid surface damage caused by collision between workpieces.

[0025] 2. During the processing stage, the auxiliary plate moves downward, causing the connecting rod to contact the auxiliary block and drive the limit plate to move upward, compressing the second spring. This releases the limit and fixation of the hanger body, allowing the hanger body to swing in the tank due to the impact of water, thus improving the processing effect. During the removal stage, the auxiliary plate rises, preventing the connecting rod from contacting the auxiliary block and triggering the second spring to reset. This causes the limit plate to move downward, limiting the hook at the top of the hanger body, completely suppressing the workpiece's swing inertia and preventing collisions during transport. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this application;

[0027] Figure 2 This is a side view of the overall structure of this application;

[0028] Figure 3 This is a schematic diagram of the internal structure of the auxiliary plate in this application;

[0029] Figure 4 This is a schematic diagram of the internal structure of the first slider in this application;

[0030] Figure 5 This is a partial structural diagram of the auxiliary components of this application.

[0031] Reference numerals: 1. Processing tank; 2. Support frame; 3. Auxiliary plate; 4. Hanger body;

[0032] 5. Auxiliary components; 51. Movable plate; 52. Sliding column; 53. First slider; 54. Second slider; 55. Circular groove; 56. T-shaped column; 57. Moving block; 58. Spring 1; 59. Third slider; 510. First sliding groove;

[0033] 511. Moving plate; 512. Ball screw; 513. Second slide groove; 514. Third slide groove; 515. Spring II; 516. Limiting plate; 517. Hook groove; 518. Connecting rod; 519. Auxiliary block;

[0034] 6. Motor; 7. Cylinder. Detailed Implementation

[0035] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.

[0036] This application discloses a multi-directional adjustable workpiece suspension bracket for surface treatment of metal parts.

[0037] Reference Figure 1 , Figure 2 A multi-directional adjustable workpiece suspension frame for surface treatment of metal parts includes a treatment tank 1. The outer wall of the treatment tank 1 is fixedly connected to the inner side of the support 2. The two ends of the inner wall of the support 2 are slidably connected to the two ends of the auxiliary plate 3. An auxiliary component 5 is provided inside the auxiliary plate 3. The auxiliary component 5 can be adjusted independently on the basis of synchronous movement of the suspension frame. The bottom of the auxiliary component 5 is provided with a hanging frame body 4.

[0038] In use, the staff hangs the hanging frame 4 with the metal parts on the auxiliary component 5. If the workpieces of the same specification are processed in batches, the auxiliary component 5 can be used to adjust the distance at equal intervals, moving from the center to both sides. If it is necessary to process metal parts with significant size differences, the auxiliary component 5 can be used to adjust each metal part individually.

[0039] Reference Figure 3 , Figure 4The auxiliary component 5 includes a movable plate 51 rotatably connected to the surface of the auxiliary plate 3. An opening is provided on one side of the auxiliary plate 3, and the movable plate 51 is positioned at the opening for convenient individual adjustment of the hanger body 4. The inner walls of the auxiliary plate 3 are fixed to the two ends of a sliding column 52. The outer surface of the sliding column 52 is slidably connected to the top ends of the first sliders 53 of the auxiliary component 5. The sliding column 52 penetrates the interior of the top end of each first slider 53. Five first sliders 53 are arrayed on the surface of the sliding column 52, with the middle first slider 53 located at the center of the sliding column 52. The outer surface of the first slider 53 is slidably connected to the inner wall of the second slider 54. A circular groove 55 is provided on the side of the first slider 53 closest to the movable plate 51. The grooves 55 are arranged in a linear array and are perpendicular to the bottom surface. The inside of the circular groove 55 slides with the bottom end of the T-shaped column 56. The size of the circular groove 55 is the same as the size of the bottom end of the T-shaped column 56. In this way, when the T-shaped column 56 is located inside the circular groove 55, the T-shaped column 56 can be limited. The T-shaped column 56 passes through the inside of the second slider 54. The outer wall of the T-shaped column 56 slides with the inner wall of the second slider 54. Moving blocks 57 are fixedly connected to both sides of the T-shaped column 56. The moving blocks 57 are symmetrically arranged on both sides of the T-shaped column 56. The moving blocks 57 slide on the inner wall of the second slider 54. The upper surface of the moving blocks 57 is fixed with the bottom end of the spring 58. The top end of the spring 58 is fixed with the top of the inner wall of the second slider 54.

[0040] However, when a single bracket body 4 needs to be adjusted, the worker lifts the T-shaped column 56, which causes the moving block 57 to slide inside the second slider 54. When the moving block 57 moves, it compresses the spring 58, and the T-shaped column 56 leaves the inside of the circular groove 55. The second slider 54 is no longer restricted by the circular groove 55, so the second slider 54 can move on the surface of the first slider 53.

[0041] Reference Figure 2 , Figure 3 A third groove 514 is formed on the lower surface of the first slider 53. The side of the third groove 514 away from the movable plate 51 passes through the first slider 53. The inner wall of the third groove 514 is slidably connected to the outer wall of the limiting plate 516. The upper surface of the limiting plate 516 is fixed to the bottom end of three springs 515. The springs 515 are arranged in an array inside the third groove 514. The top end of each spring is fixed to the top end of the inner wall of the third groove 514. The lower surface of the first slider 53... A hook groove 517 is provided, which is used to hang the hook at the top of the bracket body 4. The top inner side of the bracket 2 is fixed to the top of the auxiliary block 519. The auxiliary block 519 is L-shaped. The limiting plate 516 is fixed to one end of the connecting rod 518 near the surface of the auxiliary block 519. The connecting rod 518 slides inside the third slide groove 514. The other end of the connecting rod 518 is located above the bottom of the auxiliary block 519. When the connecting rod 518 moves down to the bottom, it can touch the auxiliary block 519.

[0042] Initially, spring 515 is not compressed, and the limiting plate 516 contacts the hook at the top of the hanger body 4 and limits the hanger body 4 by contacting the inner wall of the hook groove 517. During the metal part processing, the auxiliary plate 3 moves downward, causing the connecting rod 518 to move downward. When the connecting rod 518 moves downward and contacts the auxiliary block 519, the metal part of the hanger body 4 is not completely inside the processing tank 1. The auxiliary plate 3 continues to move downward, and the auxiliary block 519 abuts against the connecting rod 518, causing the connecting rod 518 to drive the limiting plate 516 to squeeze spring 515. After the limiting plate 516 is completely inside the third slide groove 514, the auxiliary plate 3 stops moving. When the hanger body 4 is not restricted, it moves within the tank due to the impact of water, improving the processing effect. After the metal parts on the hanger body 4 are processed, the auxiliary plate 3 moves upward, causing the hanger body 4 and the metal parts to move upward. When the connecting rod 518 does not contact the auxiliary block 519, the spring 515 drives the limiting plate 516 to move downward. The limiting plate 516 moves downward and contacts the hook at the top of the hanger body 4. The limiting plate 516 and the hook groove 517 limit the hanger body 4, completely suppressing the workpiece's swing inertia and preventing collisions during transport. The immersion height of the hanger body 4 is higher than the distance between the top of the connecting rod 518 and the bottom of the auxiliary block 519.

[0043] Reference Figure 3 , Figure 5 The inner wall of the auxiliary plate 3 has two first grooves 510, which are symmetrically arranged at both ends of the auxiliary plate 3. The inner wall of the first groove 510 is slidably connected to both ends of the movable plate 511. The first groove 510 is convex, and both ends of the movable plate 511 are also protrusions that are adapted to the size of the first groove 510. The inner wall of the auxiliary plate 3 is rotatably connected to both ends of the ball screw 512. The ball screw 512 includes a precision-ground screw shaft (with a helical raceway machined on the outer surface), a nut (with a matching raceway structure embedded in it), circulating balls (filling the raceway gap between the screw and the nut), and a ball circulator (guiding the balls to roll continuously). The outer wall of the nut is rigidly fixed to the moving plate 511, converting the rotational motion into linear motion. One end of the lead screw shaft is directly connected to the output shaft of the motor 6 through a coupling, and the other end is supported by an angular contact bearing. Five second slide grooves 513 are provided on the surface of the moving plate 511. The five second slide grooves 513 are arranged in a circumferential array. The middle part of the second slide groove 513 is vertical, and the second slide grooves 513 on both sides are inclined. The center line of each second slide groove 513 can be extended to intersect with a point. The inner wall of each second slide groove 513 slides against the outer wall of an auxiliary block 519. The end of the third slider 59 near the moving plate 51 is fixed to the surface of the second slider 54.

[0044] If the same specifications of workpieces are processed in batches, the screw shaft of the ball screw 512 rotates to drive the moving plate 511 to move. The movement of the moving plate 511 is achieved by the third slider 59 sliding inside the second slide groove 513, thus realizing the equidistant movement of the first slider 53.

[0045] Reference Figure 2 , Figure 5 The auxiliary plate 3 is fixed to the upper surface of the ball screw 512 and the mounting end of the motor 6. The output end of the motor 6 is fixedly connected to the top of the ball screw 512 shaft. The top of the inner side of the bracket 2 is fixed to the mounting end of the cylinder 7. The output end of the cylinder 7 is fixed to the middle of the upper surface of the auxiliary plate 3. The motor 6 is started to drive the ball screw 512 shaft to rotate, thereby driving the nut to move. The cylinder 7 is started to drive the auxiliary plate 3 to move up and down.

[0046] Among them, motor 6 and cylinder 7 are existing technologies, and their structural principles will not be elaborated here. Motor 6 can be a Yaskawa servo motor 6SGM7G model and HIWIN ball screw 512R40 model. Cylinder 7 can be an SMC standard cylinder and magnetic switch D-M9B model. The main controller (PLC) is connected to the stepper motor 6 driver and the cylinder 7 solenoid valve through the I / O module. Equidistant adjustment control: when the lifting command of the moving plate 511 is activated, the PLC outputs a pulse signal to the stepper motor 6 driver, which drives the motor 6 to move the moving plate 511 vertically. Through the linkage of the second slide 513, all the hanging body 4 are synchronously and equidistantly positioned. Processing tank 1 operation control: when the processing command is triggered, the PLC activates the cylinder 7 solenoid valve. Cylinder 7 pushes the auxiliary plate 3 down to immerse the hanging body 4 in the processing liquid. The linkage limit plate 516 unlocks the hook.

[0047] The implementation principle of the multi-directional adjustable workpiece suspension rack for surface treatment of metal parts in this application embodiment is as follows: During use, the worker hangs the rack body 4 with metal parts on the auxiliary component 5 respectively. If the workpieces of the same specification are processed in batches, the second slide groove 513 (vertical in the middle and inclined on both sides) with five extended lines intersecting at one point is opened on the moving plate 511, so that the moving plate 511 can be raised and lowered to realize the synchronous equidistant movement of the rack body 4 from the middle to both sides. If it is necessary to process metal parts with significant size differences, the locking structure of the second slider 54 can be unlocked by lifting the T-shaped column 56 out of the inside of the circular groove 55, so that each rack body 4 can move independently in the second slide groove 513, breaking through the traditional equidistant adjustment limitation. When the metal parts on different rack bodies 4 have large size differences (such as large sheet metal parts and small precision parts mixed), the spacing can be manually opened to completely avoid surface damage caused by the collision of workpieces.

[0048] During the processing stage, the auxiliary plate 3 moves downward, causing the connecting rod 518 to abut against the auxiliary block 519, which in turn moves the limiting plate 516 upward to compress the second spring 515, releasing the limiting and fixing state of the hanger body 4. This allows the hanger body 4 to shake and sway in the tank due to the impact of water, improving the processing effect. During the removal stage, the auxiliary plate 3 moves upward, preventing the connecting rod 518 from abutting against the auxiliary block 519. This triggers the second spring 515 to reset, causing the limiting plate 516 to move downward to limit the top hook of the hanger body 4, completely suppressing the workpiece's swing inertia and preventing collisions during transport.

[0049] The above are merely optional embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A multi-directionally adjustable workpiece hanger for surface treatment of metal pieces, characterized in that: The system includes a processing tank (1), a support (2) is fixedly connected to the surface of the processing tank (1), an auxiliary plate (3) is slidably connected inside the support (2), an auxiliary component (5) is provided inside the auxiliary plate (3) for independent adjustment on the basis of synchronous movement, and a hanging frame body (4) is provided at the bottom of the auxiliary component (5).

2. The multi-directionally adjustable workpiece hanger for metal piece surface treatment according to claim 1, characterized by: The auxiliary component (5) includes a movable plate (51) rotatably connected to the surface of the auxiliary plate (3). A sliding column (52) is fixedly connected to the inner wall of the auxiliary plate (3). An array of first sliders (53) are slidably connected to the outer surface of the sliding column (52) and are slidably connected to the inner wall of the auxiliary plate (3). A second slider (54) is slidably connected to the outer surface of the first slider (53).

3. The multi-directionally adjustable workpiece hanger for metal piece surface treatment according to claim 2, characterized by: The surface of the first slider (53) is provided with a circular groove (55). The inside of the circular groove (55) is slidably connected to a T-shaped column (56) that is slidably connected to the inside of the second slider (54). The surface of the T-shaped column (56) is symmetrically fixedly connected to a moving block (57) that slides on the inner wall of the second slider (54). A spring (58) is fixedly connected between the surface of the moving block (57) and the inner wall of the second slider (54).

4. The multi-adjustable workpiece hanger for metal surface treatment according to claim 2, characterized in that: The first slider (53) has a third groove (514) that runs through it. The third groove (514) is slidably connected to a limiting plate (516). An array of springs (515) are fixedly connected between the surface of the limiting plate (516) and the inner wall of the third groove (514). The surface of the first slider (53) has a hook groove (517) that is movably connected to the hanger body (4).

5. The multi-adjustable workpiece hanger for metal surface treatment according to claim 4, characterized in that: An auxiliary block (519) is fixedly connected to one side of the surface of the bracket (2), and a connecting rod (518) that slides inside the third slide groove (514) is fixedly connected to one side of the surface of the limiting plate (516).

6. The multi-adjustable workpiece hanger for metal finishing of claim 1, wherein: The inner wall of the auxiliary plate (3) is symmetrically provided with a first sliding groove (510), and a movable plate (511) is slidably connected inside the first sliding groove (510). The inner wall of the auxiliary plate (3) is rotatably connected with a ball screw (512) that is fixedly connected to the surface of the movable plate (511).

7. The multi-directional adjustable workpiece suspension frame for surface treatment of metal parts according to claim 6, characterized in that: The surface of the movable plate (511) is provided with a second sliding groove (513) arranged in a circumferential array, and a third sliding block (59) is slidably connected inside the second sliding groove (513) and fixedly connected to the surface of the second sliding block (54).

8. The multi-directional adjustable workpiece suspension frame for surface treatment of metal parts according to claim 1, characterized in that: A motor (6) is fixedly connected to the surface of the auxiliary plate (3), and the output end of the motor (6) is fixedly connected to the ball screw (512). A cylinder (7) is fixedly connected to one side of the surface of the bracket (2), and the output end of the cylinder (7) is fixed to the surface of the auxiliary plate (3).

Images