A type of protective workwear
By designing a masking fixture, utilizing a base frame, work platform, L-shaped bracket, and quick positioning components, the problem of masking and fixing the through-hole area of the water-cooled plate was solved, achieving rapid masking and stability, and improving the protective effect before powder coating.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENGZHOU RUNDING TECHNOLOGY CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-06-30
AI Technical Summary
In the existing technology, the through-hole area of the water-cooled plate needs to be masked before powder coating, but there is a lack of effective fixing and positioning methods, resulting in low masking efficiency.
The equipment employs a shielding fixture, including a base frame, a work platform, an L-shaped bracket, a vertical clamp, and a quick positioning assembly. These components enable the rapid fixing and positioning of the water-cooled plate. Rubber pads are used to prevent wear, and high-temperature tape is used for shielding.
This enables rapid fixing and masking of water-cooled plates, improves masking efficiency, and ensures the stability of the water-cooled plates and protection before powder coating.
Smart Images

Figure CN224423199U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of powder coating technology, specifically relating to a masking fixture. Background Technology
[0002] The cooling plate in new energy vehicles, also known as a water-cooled plate or liquid-cooled plate, primarily absorbs and conducts heat to cool the battery pack and serves as a supporting structure. Currently, one side of the cooling plate is typically powder-coated. Powder coating forms a protective film on the surface of the cooling plate, preventing corrosion and damage. Furthermore, powder coating can improve the heat reflectivity of the cooling plate, reducing heat transfer and thus improving heat dissipation efficiency.
[0003] Currently, a certain water-cooled plate has through holes reserved around its perimeter and in the center, with the through holes in the center arranged in a T-shape. Due to the later installation requirements, the areas with through holes do not need to be powder coated, so the through holes need to be masked before powder coating. Summary of the Invention
[0004] This utility model provides a shielding fixture for quickly fixing water-cooled plates, facilitating shielding operations.
[0005] The technical solution adopted in this utility model is as follows:
[0006] A shielding fixture includes a base frame, a work platform, an L-shaped bracket, and several vertical clamps. The base frame consists of a rectangular frame and support arms arranged around the top of the rectangular frame. The work platform is located on top of the support arms of the base frame. Several rectangular blocks are respectively arranged at the rear end and left and right ends of the bottom surface of the work platform, and the rectangular blocks extend outward from the work platform. The L-shaped bracket is movably arranged on the top surface of the rectangular blocks and can move away from or towards the work platform. The vertical clamps are fixed to the outer side of the L-shaped bracket, and their front ends have pressure rod assemblies. The vertical clamps can drive the pressure rod assemblies to move, thereby achieving clamping or loosening.
[0007] Preferably, the top surface of the rectangular block is provided with a first T-shaped groove along its length, and a T-shaped nut is movably disposed in the first T-shaped groove. A through hole is vertically provided on the horizontal plate of the L-shaped bracket. A first fixing bolt passes through the through hole of the L-shaped bracket and is threaded into the T-shaped nut. Tightening the first fixing bolt can fix the L-shaped bracket, and loosening it can allow the L-shaped bracket to move.
[0008] Preferably, the top surface of the work platform is provided with a layer of rubber pad.
[0009] Preferably, the system also includes a quick positioning component, which comprises several L-shaped positioning plates, several straight positioning plates, and several rectangular shielding plates. Each L-shaped positioning plate and straight positioning plate has at least one positioning post on one side. A support plate for placing the quick positioning component is provided at the lower end of the base frame.
[0010] Preferably, rectangular seats are welded to the outer sides of the two arms located at the rear end, left end, and right end of the base frame, and the rectangular blocks are movably arranged on the rectangular seats; a second T-shaped groove is provided on the top of the rectangular seats, and a T-shaped nut is movably arranged in the second T-shaped groove; L-shaped plates are welded to both sides of the rectangular blocks, and through holes are vertically provided on the L-shaped plates; a second fixing bolt passes through the through holes of the L-shaped plates and is threaded into the T-shaped nut.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This shielding fixture is used to place the water-cooled plate, enabling it to be quickly fixed and facilitating shielding operations; furthermore, through the quick positioning component, the shielding position can be quickly positioned, thus accelerating work efficiency. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 for Figure 1 A schematic diagram of the structure during use.
[0014] Figure 3 This is a schematic diagram showing the water-cooled plate before and after shielding.
[0015] Figure 4 A schematic diagram of a rectangular block with a rectangular base.
[0016] In the diagram: 1. Working platform; 2. Base frame; 3. L-shaped bracket; 4. Vertical clamp; 5. Rectangular block; 6. Pressure rod assembly; 7. First fixing bolt; 8. Rubber pad; 9. L-shaped positioning plate; 10. Straight positioning plate; 11. Rectangular shielding plate; 12. Positioning column; 13. Support plate; 14. Rectangular seat; 15. Second T-shaped slide groove; 16. L-shaped plate; 17. Second fixing bolt; 18. First T-shaped slide groove. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described below in conjunction with specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. It is understandable that some well-known structures and their descriptions may be omitted in the drawings for those skilled in the art.
[0018] This utility model provides a shielding fixture, including a base frame 2, a working platform 1, an L-shaped bracket 3, and several vertical clamps 4. The base frame 2 consists of a rectangular frame and support arms arranged around the top of the rectangular frame. The lower end of the base frame 2 is equipped with universal brake wheels. The working platform 1 is located on the top of the support arms of the base frame. Several rectangular blocks 5 are respectively arranged at the rear end and left and right ends of the bottom surface of the working platform 1. In this embodiment, there are two rectangular blocks at the rear end, two at the left end, and two at the right end, and all rectangular blocks 5 extend outward from the working platform. The L-shaped bracket 3 is movably arranged on the top surface of the rectangular blocks 5 and can move back and forth along the length of the rectangular blocks, away from or close to the working platform. The vertical clamps 4 are fixed to the outer side of the L-shaped bracket 3, and have a pressure rod assembly 6 at their front end. The vertical clamps can drive the pressure rod assembly to move, thereby achieving clamping or loosening. Figure 1 , Figure 2 and Figure 4 In the middle, the vertical clamps are all in a clamped state. The vertical clamps and pressure bar assembly are existing technology products and will not be described in detail.
[0019] The L-shaped bracket is positioned on the top surface of the rectangular block 5. A first T-shaped groove 18 is formed along the length of the top surface of the rectangular block 5, and a T-shaped nut is movably disposed within the first T-shaped groove 18. A through hole is vertically formed on the horizontal plate of the L-shaped bracket 3. A first fixing bolt 7 passes through the through hole of the L-shaped bracket 3 and is threaded into the T-shaped nut. Tightening the first fixing bolt 7 fixes the L-shaped bracket 3, while loosening it allows the L-shaped bracket 3 to move. By adjusting the position of the L-shaped bracket, the left and right positions of the front pressure rod assembly of the vertical clamp can be adjusted to ensure it is positioned appropriately for the water-cooling plate, thus ensuring the stability of the water-cooling plate. Since the use of the T-shaped nut and fixing bolt is conventional technology, it will not be described in detail.
[0020] Meanwhile, to prevent wear on the water-cooled plate, a rubber pad 8 is provided on the top surface of the work platform 1.
[0021] The structure of a certain water-cooled plate 100 is as follows Figure 3 As shown, there are through holes around the perimeter and in the center, with the central through holes arranged in a T-shape. In use, the water-cooled plate can be placed on the work platform, and the vertical clamp will rotate the pressure rod assembly to press the water-cooled plate firmly. At this point, a long ruler and high-temperature tape 200 matching the width of the shielding material can be used to apply the tape to the areas requiring shielding. The application process is as follows: Figure 3 As shown.
[0022] Furthermore, to achieve rapid shielding operations, a rapid positioning component is also included. This rapid positioning component comprises several L-shaped positioning plates 9, several straight positioning plates 10, and several rectangular shielding plates 11. Each L-shaped positioning plate 9 and straight positioning plate 10 has at least one positioning post 12 on one side, which matches a through hole on the water-cooling plate. A support plate 13 for placing the rapid positioning component is located at the lower end of the base frame 2. In this embodiment, there are four L-shaped positioning plates, each with two positioning posts, which are positioned at the four corners of the top of the water-cooling plate during use. There are two straight positioning plates, each with one positioning post, which are positioned on the left and right sides of the top of the water-cooling plate during use. There are three rectangular shielding plates, two of the same size and one of a different size, which are made of rigid foam board or thick cardboard. In use, place the water-cooled plate on the work platform and arrange the four L-shaped positioning plates at the four corners of the water-cooled plate. The positioning pins at the bottom of the L-shaped positioning plates are inserted into the corresponding through holes on the water-cooled plate for fixation. Then, the straight plate is inserted into the appropriate through holes on the left and right sides of the water-cooled plate. Place the three rectangular shielding plates on the water-cooled plate and abut against the inner side of the corresponding L-shaped positioning plates and straight plates. After positioning, the vertical clamp drives the pressure rod assembly to flip and fix the three rectangular shielding plates respectively. At this time, the unobstructed area of the rectangular shielding plate is the shielded area, which can be pasted with high-temperature tape that matches the shielding width.
[0023] Furthermore, although most water-cooled plates are rectangular and have a ring of through holes around the perimeter, the distribution of through holes in the center is not as... Figure 3 As shown, besides the T-shape, there are also straight, double-line, and cross shapes. In these cases, the length, width, and position of the rectangular shielding plate will differ. To facilitate the clamping of the rectangular shielding plate in different positions, the vertical clamp is adjustable, and the rectangular blocks are arranged movably. Correspondingly, the width of the L-shaped positioning plate and the width and position of the straight-line positioning plate vary depending on the shielding area and are not specifically limited.
[0024] Specifically, rectangular seats 14 are welded to the outer sides of the two arms located at the rear, left, and right ends, respectively. Rectangular blocks 5 are movably arranged on the rectangular seats and can be adjusted back and forth. The inner end of the rectangular blocks 5 extends to the bottom of the work platform, touching the bottom surface but not fixedly. A second T-shaped groove 15 is provided on the rectangular seat 14, and a T-shaped nut is movably installed within the second T-shaped groove 15. L-shaped plates 16 are welded to both sides of the rectangular blocks 5, and vertical through holes are provided on the L-shaped plates 16. A second fixing bolt 17 passes through the through holes of the L-shaped plates and is threaded into the T-shaped nut. The use of the T-shaped nut and fixing bolt is conventional technology and will not be described in detail. By adjusting the front and rear positions of the rectangular blocks, the front and rear positions of the vertical clamp front pressure rod assembly can be adjusted to ensure it is positioned appropriately on the rectangular shielding plate for clamping and stability.
Claims
1. A masking tool, characterized by: The system includes a base frame (2), a work platform (1), an L-shaped bracket (3), and several vertical clamps (4). The base frame (2) consists of a rectangular frame and support arms set around the top of the rectangular frame. The work platform (1) is set on the top of the support arms of the base frame. Several rectangular blocks (5) are set at the rear end of the bottom surface and at the left and right ends of the work platform (1), and the rectangular blocks (5) extend outward from the work platform (1). The L-shaped bracket (3) is movably set on the top surface of the rectangular blocks (5) and can move away from or close to the work platform (1). The vertical clamps (4) are fixed on the outer side of the L-shaped bracket (3) and have a pressure rod assembly (6) at the front end. The vertical clamps can drive the pressure rod assembly to move, thereby achieving pressing or releasing.
2. The masking tool of claim 1, wherein: The top surface of the rectangular block (5) is provided with a first T-shaped groove (18) along its length direction, and a T-shaped nut is movably provided in the first T-shaped groove (18). A through hole is vertically provided on the horizontal plate of the L-shaped bracket (3). The first fixing bolt (7) passes through the through hole of the L-shaped bracket and is threaded into the T-shaped nut. Tightening the first fixing bolt can fix the L-shaped bracket, and loosening it can move the L-shaped bracket and thus make it move.
3. The masking tool of claim 1, wherein: A rubber pad (8) is provided on the top surface of the work platform (1).
4. The masking tool of claim 1, wherein: It also includes a quick positioning component, which includes several L-shaped positioning plates (9), several straight positioning plates (10) and several rectangular shielding plates (11). At least one positioning post (12) is provided on one side of the L-shaped positioning plate (9) and the straight positioning plate (10). A support plate (13) for placing the quick positioning component is provided at the lower end of the base frame (2).
5. The masking tool of claim 4, wherein: Rectangular seats (14) are welded to the outer sides of the two arms located at the rear end, left end and right end of the base frame (2), and rectangular blocks (5) are movably arranged on the rectangular seats (14); a second T-shaped groove (15) is opened on the top of the rectangular seat (14), and a T-shaped nut is movably arranged in the second T-shaped groove (15). L-shaped plates (16) are welded to both sides of the rectangular block (5), and through holes are vertically opened on the L-shaped plates (16). The second fixing bolt (172) passes through the through hole of the L-shaped plate and is threaded into the T-shaped nut.