A heating mechanism for plastic spraying of metal surface
By designing the rotary adjustment component and clamping component, the problems of uneven heating and unsuitable clamping in traditional heating mechanisms are solved, achieving uniform heating and stable clamping of metal workpieces, and improving the effect of powder coating.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JURONG YONGTU TRAFFIC FACILITIES SPRAY CO LTD
- Filing Date
- 2025-04-16
- Publication Date
- 2026-07-10
AI Technical Summary
In traditional metal surface powder coating processes, the heating components of the heating mechanism are fixed to the metal workpiece, resulting in uneven heating and an inability to meet the clamping requirements of workpieces of different sizes.
It employs a rotary adjustment assembly and a clamping assembly, including a servo motor-driven connecting shaft, a hexagonal hole and a hexagonal prism design, combined with a limit rod and a locking rod, to achieve multi-angle rotary heating and adjustable clamping of the workpiece, ensuring uniform heating and stable clamping.
It achieves 360° uniform heating of the workpiece, adapts to the clamping of workpieces of different sizes, improves the uniformity and adhesion of the powder coating, and enhances operating efficiency and equipment durability.
Smart Images
Figure CN224475271U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal processing technology, and in particular to a heating mechanism for metal surface powder coating. Background Technology
[0002] Powder coating is a surface treatment method that involves spraying plastic powder onto parts. Also known as electrostatic powder coating, it's a widely adopted metal surface treatment technique since the 1980s. Compared to ordinary spray painting, this technology offers advantages such as advanced technology, energy efficiency, safety, reliability, and vibrant colors. Therefore, it's frequently used in light industry and home decoration. The working principle involves charging plastic powder using a high-voltage electrostatic device. Under the influence of the electric field, the powder is sprayed onto the workpiece surface, where it is evenly adsorbed, forming a powdery coating. After high-temperature baking, this coating flows and solidifies, melting the plastic particles into a dense final protective coating with varying effects, firmly adhering to the workpiece surface. After powder coating, the metal needs to be heated using a heating mechanism.
[0003] In the existing technology, the heating mechanism of traditional metal surface powder coating process is mostly fixed to the metal workpiece, the heating area is fixed, the heat conduction and heating is uneven, and the fixture cannot be adjusted according to the size of the metal workpiece, so it cannot quickly clamp and fix parts of different sizes.
[0004] Therefore, those skilled in the art have provided a heating mechanism for metal surface powder coating to solve the problems mentioned in the background art. Utility Model Content
[0005] To address the shortcomings of traditional heating structures where the heating element and metal workpiece are typically fixed in a relatively fixed position, resulting in a fixed heating area, uneven heat conduction, and the inability to adjust the clamps according to the workpiece size for quick clamping and fixing of parts of different sizes, this invention provides a heating mechanism for metal surface powder coating.
[0006] This utility model provides a heating mechanism for powder coating of metal surfaces, which adopts the following technical solution:
[0007] A heating mechanism for metal surface powder coating includes a heating assembly. A rotation adjustment assembly is fixedly connected to one side of the heating assembly, and a clamping assembly is fixedly connected to one end of the rotation adjustment assembly. The rotation adjustment assembly includes a mounting base fixedly connected to one side of the heating assembly. A servo motor is fixedly connected to the bottom of the mounting base. A connecting shaft is fixedly connected to the output shaft of the servo motor. A hexagonal hole is formed in the inner cavity of the connecting shaft. A limit rod is fixedly connected to the inner cavity of the hexagonal hole. A hexagonal prism is slidably connected to the surface of the limit rod. A mounting groove is formed in the inner wall of the hexagonal hole. A locking rod is provided in the inner cavity of the mounting groove. A spring is sleeved on the surface of the locking rod. The two ends of the spring are fixedly connected to the inner wall of the mounting groove and the surface of the locking rod, respectively. A fastening sleeve is threadedly connected to the surface of the connecting shaft. The clamping assembly includes a placement frame fixedly connected to the heating assembly and the hexagonal prism via bearings. A lead screw is threadedly connected to the top of the placement frame, and a clamping plate is fixedly connected to the bottom of the lead screw via bearings.
[0008] Optionally, the heating assembly includes a heating box, with heating blocks fixedly connected to the top and bottom of the inner cavity of the heating box, and a door movably connected to the surface of the heating box via a hinge, with a handle fixedly connected to the surface of the door.
[0009] Optionally, reinforcing ribs are fixedly connected to both the front and rear ends of the top of the mounting base, and one side of the reinforcing ribs is fixedly connected to the surface of the heating box.
[0010] Optionally, the surface of the heating box is provided with a circular hole, and the connecting shaft is fixedly connected to the inner wall of the circular hole through a bearing.
[0011] Optionally, pads are fixedly connected to the four corners of the bottom of the heating box, and the bottom of the pads is provided with anti-slip texture.
[0012] Optionally, a sliding hole is provided at the axis of the hexagonal prism for the movement of the limiting rod, and one end of the locking rod is in close contact with the surface of the hexagonal prism.
[0013] Optionally, a handle is fixedly connected to the surface of the fastening sleeve, and an anti-detachment ring is fixedly connected to the end of the connecting shaft away from the servo motor.
[0014] Optionally, the inner wall of the placement rack is provided with a limiting groove, the inner cavity of the limiting groove is slidably connected to a limiting block, the other side of the limiting block is fixedly connected to the surface of the clamping plate, and a handwheel is fixedly connected to the top of the lead screw.
[0015] In summary, this utility model has the following beneficial effects:
[0016] 1. The heating mechanism of this utility model realizes multi-angle rotational heating of metal workpieces through a rotary adjustment component. The servo motor drives the connecting shaft to rotate the hexagonal prism, so that the workpiece is uniformly heated 360° in the heating box, solving the problem of local overheating or insufficient heating caused by traditional fixed heating. The screw of the clamping component adjusts the spacing of the clamping plates to adapt to workpieces of different sizes, and the limiting groove and limiting block ensure stable clamping and prevent the workpiece from shaking during rotation, significantly improving the uniformity and adhesion of the powder coating.
[0017] 2. The hexagonal hole and hexagonal prism design of the rotary adjustment component of this utility model ensures the stability of power transmission. The fastening sleeve and locking rod enable quick locking. Manual adjustment can be performed without tools, improving operating efficiency. The anti-slip pad at the bottom of the heating box enhances stability, and the reinforcing ribs improve structural strength. The overall design takes into account both functionality and durability, and is suitable for various metal powder coating processing scenarios. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model.
[0019] Figure 2 This is a schematic diagram of the internal connection structure of the heating box of this utility model.
[0020] Figure 3 This is a three-dimensional structural diagram of the clamping component of this utility model.
[0021] Figure 4 This is a partial structural schematic diagram of the rotary adjustment component of this utility model.
[0022] Figure 5 This is a partial exploded view of the rotary adjustment component of this utility model.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Heating assembly; 11. Heating box; 12. Heating block; 13. Box door; 2. Rotation adjustment assembly; 21. Mounting base; 22. Servo motor; 23. Connecting shaft; 24. Hexagonal hole; 25. Limiting rod; 26. Hexagonal prism; 27. Mounting groove; 28. Locking rod; 29. Spring; 210. Fastening sleeve; 211. Sliding hole; 3. Clamping assembly; 31. Placement rack; 32. Lead screw; 33. Clamping plate; 34. Limiting groove. Detailed Implementation
[0025] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.
[0026] Example 1:
[0027] Please refer to Figure 1-5A heating mechanism for metal surface powder coating includes a heating component 1. A rotary adjustment component 2 is fixedly connected to one side of the heating component 1, and a clamping component 3 is fixedly connected to one end of the rotary adjustment component 2. The rotary adjustment component 2 includes a mounting base 21 fixedly connected to one side of the heating component 1. A servo motor 22 is fixedly connected to the bottom of the mounting base 21. A connecting shaft 23 is fixedly connected to the output shaft of the servo motor 22. A hexagonal hole 24 is opened in the inner cavity of the connecting shaft 23. A limit rod 25 is fixedly connected to the inner cavity of the hexagonal hole 24. The surface of the limit rod 25 is slidably connected. A hexagonal prism 26 is attached, and an installation groove 27 is provided on the inner wall of the hexagonal hole 24. A locking rod 28 is provided in the inner cavity of the installation groove 27. A spring 29 is sleeved on the surface of the locking rod 28. The two ends of the spring 29 are fixedly connected to the inner wall of the installation groove 27 and the surface of the locking rod 28, respectively. A fastening sleeve 210 is threadedly connected to the surface of the connecting shaft 23. The clamping assembly 3 includes a placement frame 31 fixedly connected to the heating assembly 1 and the hexagonal prism 26 via bearings. A lead screw 32 is threadedly connected to the top of the placement frame 31, and a clamping plate 33 is fixedly connected to the bottom of the lead screw 32 via bearings.
[0028] In this embodiment: the hexagonal hole 24 cooperates with the hexagonal prism 26, enabling the clamping assembly 3 to rotate together with the connecting shaft 23, ensuring the stability of power transmission and preventing power loss. At the same time, the limiting rod 25 provides good stability when the hexagonal prism 26 moves, preventing wobbling. The fastening sleeve 210 limits the locking rod 28, thereby ensuring the stability of the locking rod 28, and thus ensuring the stability of the connection between the hexagonal prism 26 and the connecting shaft 23.
[0029] Example 2:
[0030] Reference Figure 1-5 The heating assembly 1 includes a heating box 11. Heating blocks 12 are fixedly connected to the top and bottom of the inner cavity of the heating box 11. A door 13 is movably connected to the surface of the heating box 11 via a hinge. A handle is fixedly connected to the surface of the door 13. Reinforcing ribs are fixedly connected to both the front and rear ends of the top of the mounting base 21. One side of the reinforcing rib is fixedly connected to the surface of the heating box 11. A circular hole is formed on the surface of the heating box 11. A connecting shaft 23 is fixedly connected to the inner wall of the circular hole via a bearing. Pads are fixedly connected to the four corners of the bottom of the heating box 11. The bottom of the block is provided with anti-slip texture. A sliding hole 211 for the movement of the limiting rod 25 is opened at the axis of the hexagonal prism 26. One end of the locking rod 28 is in close contact with the surface of the hexagonal prism 26. A handle is fixedly connected to the surface of the fastening sleeve 210. An anti-disengagement ring is fixedly connected to the end of the connecting shaft 23 away from the servo motor 22. A limiting groove 34 is opened in the inner wall of the placement rack 31. A limiting block is slidably connected to the inner cavity of the limiting groove 34. The other side of the limiting block is fixedly connected to the surface of the clamping plate 33. A handwheel is fixedly connected to the top of the lead screw 32.
[0031] In this embodiment: a sealing ring is glued to the back of the door 13 with adhesive. The sealing ring seals the gap between the door 13 and the heating chamber 11, reducing heat loss and improving heating and drying efficiency. The heating block 12 inside the heating chamber 11 provides bidirectional heating from top to bottom. The door 13 and handle are designed for easy loading and unloading of workpieces, improving operational convenience. Reinforcing ribs enhance the connection strength between the mounting base 21 and the heating chamber 11, preventing vibration during operation of the servo motor 22 and ensuring rotational stability. The round hole and bearing fit ensure smooth rotation of the connecting shaft 23, reducing... Reduced mechanical wear extends equipment lifespan. Anti-slip pads increase friction at the bottom of heating box 11, preventing equipment slippage and improving operational safety. The sliding hole 211 and locking rod 28 design allow axial movement of hexagonal prism 26 and lock angle, enabling flexible adjustment of clamping distance of clamping assembly 3. The handle facilitates manual rotation of fastening sleeve 210, and the anti-detachment ring prevents the fastening sleeve 210 from accidentally disengaging, ensuring operational safety. The limiting groove 34 and limiting block prevent clamping plate 33 from rotating with lead screw 32. The handwheel facilitates adjustment of lead screw 32, improving clamping accuracy and operational convenience.
[0032] The implementation principle of this utility model is as follows: By rotating the handle, the fastening sleeve 210 is rotated. After the fastening sleeve 210 releases the locking rod 28, the locking rod 28 will enter the inner cavity of the mounting groove 27 under the action of the spring 29. At this time, the hexagonal prism 26 can be moved, which will drive the placement rack 31 connected to the hexagonal prism 26. This allows the distance between the two placement racks 31 to be adjusted so that parts of different sizes can be clamped and fixed. After the position is adjusted, the fastening sleeve 210 is returned to its original position. Then, the parts are placed on top of the two placement racks 31. By rotating the handwheel, the lead screw 32 is rotated. The lead screw 32 drives the clamping plate 33 to move downward to clamp and fix the parts. Then, by closing the door 13 and opening the heating block 12, the parts can be heated. At the same time, the servo motor 22 rotates slowly to drive the parts to rotate slowly, which can make the parts heat evenly and improve the heating and drying efficiency.
[0033] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.
Claims
1. A heating mechanism for metal surface powder coating, comprising a heating component (1), characterized in that: A rotary adjustment component (2) is fixedly connected to one side of the heating component (1), and a clamping component (3) is fixedly connected to one end of the rotary adjustment component (2). The rotary adjustment assembly (2) includes a mounting base (21) fixedly connected to one side of the heating assembly (1). A servo motor (22) is fixedly connected to the bottom of the mounting base (21). A connecting shaft (23) is fixedly connected to the output shaft of the servo motor (22). A hexagonal hole (24) is opened in the inner cavity of the connecting shaft (23). A limit rod (25) is fixedly connected to the inner cavity of the hexagonal hole (24). A hexagonal prism (26) is slidably connected to the surface of the limit rod (25). An installation groove (27) is opened in the inner wall of the hexagonal hole (24). A locking rod (28) is provided in the inner cavity of the installation groove (27). A spring (29) is sleeved on the surface of the locking rod (28). The two ends of the spring (29) are fixedly connected to the inner wall of the installation groove (27) and the surface of the locking rod (28) respectively. A fastening sleeve (210) is threadedly connected to the surface of the connecting shaft (23). The clamping assembly (3) includes a placement frame (31) fixedly connected to the heating assembly (1) via bearings and to the hexagonal prism (26). The top of the placement frame (31) is threaded with a lead screw (32), and the bottom of the lead screw (32) is fixedly connected with a clamping plate (33) via bearings.
2. The heating mechanism for metal surface powder coating according to claim 1, characterized in that: The heating assembly (1) includes a heating box (11), and heating blocks (12) are fixedly connected to the top and bottom of the inner cavity of the heating box (11). A door (13) is movably connected to the surface of the heating box (11) via a hinge, and a handle is fixedly connected to the surface of the door (13).
3. The heating mechanism for metal surface powder coating according to claim 2, characterized in that: The mounting base (21) has reinforcing ribs fixedly connected to both the front and rear ends of its top, and one side of the reinforcing ribs is fixedly connected to the surface of the heating box (11).
4. The heating mechanism for metal surface powder coating according to claim 2, characterized in that: The heating box (11) has a circular hole on its surface, and the connecting shaft (23) is fixedly connected to the inner wall of the circular hole through a bearing.
5. The heating mechanism for metal surface powder coating according to claim 2, characterized in that: The heating box (11) has four corners at the bottom fixed with pads, and the bottom of the pads is provided with anti-slip texture.
6. The heating mechanism for metal surface powder coating according to claim 1, characterized in that: The hexagonal prism (26) has a sliding hole (211) at its axis for the movement of the limiting rod (25), and one end of the locking rod (28) is in close contact with the surface of the hexagonal prism (26).
7. The heating mechanism for metal surface powder coating according to claim 1, characterized in that: The fastening sleeve (210) has a handle fixedly connected to its surface, and the end of the connecting shaft (23) away from the servo motor (22) is fixedly connected to an anti-detachment ring.
8. The heating mechanism for metal surface powder coating according to claim 1, characterized in that: The inner wall of the placement rack (31) has a limiting groove (34), and the inner cavity of the limiting groove (34) is slidably connected to a limiting block. The other side of the limiting block is fixedly connected to the surface of the clamping plate (33), and a handwheel is fixedly connected to the top of the lead screw (32).