A spray pre-treatment device for springs

Abstract

This application relates to a spray pretreatment device for springs, comprising a frame, a transfer assembly, and an air blowing assembly. The transfer assembly is used to transfer the spring from a heat treatment device to a surface treatment device, and passes through the frame. The air blowing assembly includes an air blowing pipe, an air blowing pump, and a lifting component. The air blowing pipe is vertically arranged and located on one side of the transfer assembly. The air blowing pipe is slidably connected to the frame in a vertical direction. The air blowing pump supplies air to the air blowing pipe. An air blowing hole communicating with the interior of the air blowing pipe is opened on the side wall of the air blowing pipe, and the air blowing hole faces the spring during transportation. The lifting component drives the air blowing pipe to reciprocate in a vertical direction. This application has the effect of reducing manual intervention in cleaning dust from the spring surface.

Description

Technical Field

[0001] This application relates to the field of spring production, and in particular to a spray pretreatment apparatus for springs. Background Technology

[0002] A spring is a mechanical part that stores and releases energy using elastic deformation. It is widely used in automobiles, machinery, electronics, aerospace and other fields. The production process of a spring includes raw material processing, molding process, heat treatment, surface treatment and end treatment. Among them, surface treatment is used for corrosion prevention, aesthetics and to improve wear resistance. An organic coating is formed on the surface of the spring by spraying.

[0003] During the production process, metal shavings, dust and other impurities will adhere to the surface of the spring when it comes into contact with the equipment. Before spraying, the workers will use a spray gun to remove the metal shavings and dust. During the cleaning process, a large amount of dust will be suspended in the air. Long-term inhalation by operators may cause respiratory diseases such as pneumoconiosis, bronchitis, or even irreversible damage such as pulmonary fibrosis, affecting the health of the workers. Utility Model Content

[0004] To reduce manual intervention in cleaning dust from spring surfaces, this application provides a spray pretreatment device for springs.

[0005] This application provides a spray pretreatment device for springs, which adopts the following technical solution: A spray pretreatment device for springs includes a frame, a transfer assembly, and an air blowing assembly. The transfer assembly is used to transfer the spring from a heat treatment device to a surface treatment device. The transfer assembly passes through the frame. The air blowing assembly includes an air blowing pipe, an air blowing pump, and a lifting component. The air blowing pipe is vertically arranged and located on one side of the transfer assembly. The air blowing pipe is slidably connected to the frame in a vertical direction. The air blowing pump is used to supply air to the air blowing pipe. An air blowing hole communicating with the interior of the air blowing pipe is opened on the side wall of the air blowing pipe. The air blowing hole faces the spring during transportation. The lifting component is used to drive the air blowing pipe to reciprocate in a vertical direction.

[0006] By adopting the above technical solution, the air blowing assembly of the mechanical structure automatically removes impurities from the surface of the spring, replacing the traditional manual spray gun cleaning method. This reduces the contact between operators and suspended dust, thereby reducing respiratory diseases at the source. The air blowing pipe moves vertically back and forth through the lifting component, and together with the air blowing holes facing the spring, it can cover different height positions of the spring, avoiding local impurity residue caused by differences in spring height, and improving the pre-treatment cleaning effect. Furthermore, the transfer component and the air blowing component work together to realize the continuous transfer and cleaning of the spring from heat treatment to surface treatment without manual intervention, thus improving production efficiency.

[0007] Optionally, the lifting component includes a drive motor, a rotating disk, and a connecting rod. The axis of the rotating disk is horizontally arranged, and the rotating disk is rotatably connected to the frame. The drive motor is used to drive the rotating disk to rotate. One end of the connecting rod is eccentrically rotatably connected to the rotating disk, and the other end of the rotating disk is rotatably connected to the air blowing pipe.

[0008] By adopting the above technical solution, a lifting component is formed by a drive motor, a rotating disk, and an eccentrically connected connecting rod. The mechanical transmission principle drives the air blowing pipe to make regular vertical reciprocating motion. The structure is simple and reliable, ensuring that the lifting amplitude of the air blowing pipe is stable and the movement trajectory is uniform. This avoids cleaning dead corners caused by unstable lifting. The stable reciprocating lifting motion causes the air blowing hole to continuously change the air blowing position on the spring, which can evenly cover all areas of the spring in the vertical direction, further reducing impurity residue.

[0009] Optionally, the transfer assembly includes a transfer frame, a conveyor belt, several lifting lugs, and several hooks. The transfer frame is mounted on the machine frame, the conveyor belt is mounted on the transfer frame, and the conveyor belt moves relative to the transfer frame. The several lifting lugs are distributed along the length of the conveyor belt and are mounted on the conveyor belt. The several hooks correspond to the several lifting lugs, and one end of each hook is mounted on a lifting lug. The hooks are used to hook a spring.

[0010] By adopting the above technical solution, the spring is suspended and transported through a transfer assembly consisting of a conveyor belt, lifting lugs and hooks, which fully exposes the sides of the spring, reduces the obstruction of the spring by the equipment during transportation, and facilitates the air blowing assembly to clean impurities from multiple angles.

[0011] Optionally, the frame is further provided with an auxiliary air blowing assembly, which includes an auxiliary air blowing pipe and a mounting block. The mounting block is disposed on the frame, and the auxiliary air blowing pipe is located on the side of the transfer assembly away from the air blowing pipe. One end of the auxiliary air blowing pipe is disposed on the mounting block. The air blowing pump supplies air into the auxiliary air blowing pipe. An auxiliary air blowing hole communicating with the inside of the auxiliary air blowing pipe is opened on the side wall of the auxiliary air blowing pipe, and the auxiliary air blowing hole faces the spring during the transportation process.

[0012] By adopting the above technical solution, air blowing pipes and auxiliary air blowing pipes are set on both sides of the transfer component to form a double-sided clamping air blowing structure. Impurities can be removed from both sides of the spring at the same time, avoiding the problem of impurities escaping to the other side and remaining when blowing air from one side. This significantly improves the comprehensiveness of cleaning. Air is supplied by the same air blowing pump to ensure that the air blowing pressure on both sides is consistent, avoiding the difference in cleaning effect caused by insufficient pressure on one side, and ensuring stable pretreatment quality.

[0013] Optionally, the mounting block includes a fixed block and a reciprocating block. The fixed block is provided with a reciprocating component. The fixed block is mounted on the frame. The reciprocating block is slidably connected to the fixed block along the transport direction of the spring. The reciprocating component includes a reciprocating screw and a reciprocating motor. The reciprocating screw is rotatably connected to the fixed block. The reciprocating block is threadedly connected to the reciprocating screw. The reciprocating motor is used to drive the reciprocating screw to rotate.

[0014] By adopting the above technical solution, the reciprocating block is driven to slide along the spring transport direction by the reciprocating screw and reciprocating motor, so that the auxiliary air blowing pipe moves synchronously with the reciprocating block. The movement directions of the auxiliary air blowing pipe and the air blowing pipe are perpendicular to each other, cleaning the spring from both height and length dimensions, achieving all-round coverage and significantly improving the cleaning effect.

[0015] Optionally, a cover plate is provided on the reciprocating block, and the cover plate is used to cover the reciprocating lead screw.

[0016] By adopting the above technical solution, the cover plate covers the reciprocating lead screw, which can prevent metal debris and dust generated during the cleaning process from adhering to the surface of the lead screw, avoiding wear, jamming or reduction in transmission accuracy caused by contamination, reducing equipment maintenance frequency and cost, and extending service life.

[0017] Optionally, the air pump is provided with two air outlets, each connected to a hose, which is connected to an air blowing pipe and an auxiliary air blowing pipe, respectively.

[0018] By adopting the above technical solution, the air blowing pipe needs to move back and forth in the vertical direction through the lifting component, and the auxiliary air blowing pipe slides along the transport direction with the reciprocating block. The hose has flexible and deformable characteristics, which can adapt to the dynamic movement of the air blowing pipe and the auxiliary air blowing pipe, avoiding the rigid pipeline from being pulled, twisted or broken due to the movement of components, and ensuring the stability and service life of the air supply pipeline.

[0019] Optionally, the air blowing pipe is provided with a plurality of air blowing holes, which are distributed along the length of the air blowing pipe, and the auxiliary air blowing pipe is provided with a plurality of auxiliary air blowing holes, which are distributed along the length of the auxiliary air blowing pipe.

[0020] By adopting the above technical solution, the number of air holes distributed along the length of the air blowing pipe and the auxiliary air blowing pipe can increase the number of air blowing points per unit length, expand the effective area of ​​a single air blowing, ensure that impurities on the spring surface are fully removed, and further improve the comprehensiveness and efficiency of cleaning.

[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. Impurities are automatically removed through mechanical structures such as air blowing components and auxiliary air blowing components, replacing manual operation, reducing direct contact between operators and suspended dust, and reducing the risk of health damage from the source; 2. The air blowing pipe moves vertically back and forth via a lifting mechanism, and with the air blowing holes distributed along its length, it can cover different height positions of the spring. The auxiliary air blowing pipe slides along the transport direction with the reciprocating block, and with the auxiliary air blowing holes distributed along its length, it can dynamically clean the entire length of the spring. The combination of dual-sided air blowing and multi-directional movement avoids cleaning dead spots caused by single-sided or fixed-position air blowing, ensuring more thorough removal of impurities. 3. The transfer assembly utilizes a conveyor belt, lifting lugs, and hooks to achieve continuous transport of springs from heat treatment to surface treatment. It works in conjunction with an automatic air-blowing cleaning structure, eliminating the need for manual intervention in the transfer and cleaning processes. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a spray pretreatment device for springs.

[0023] Figure 2 yes Figure 1 A schematic diagram of the intermediate transfer component.

[0024] Figure 3 yes Figure 1 A schematic diagram of the air blowing assembly.

[0025] Figure 4 yes Figure 3 A schematic diagram of the auxiliary air blowing component.

[0026] Reference numerals: 1. Frame; 2. Transfer assembly; 21. Transfer frame; 22. Conveyor belt; 23. Lifting lug; 24. Hook; 3. Air blowing assembly; 31. Air blowing pipe; 311. Air blowing hole; 32. Air blowing pump; 33. Lifting component; 331. Drive motor; 332. Rotary disc; 333. Connecting rod; 34. Hose; 4. Auxiliary air blowing assembly; 41. Auxiliary air blowing pipe; 411. Auxiliary air blowing hole; 42. Mounting block; 421. Fixing block; 422. Reciprocating block; 423. Sliding groove; 43. Reciprocating component; 431. Reciprocating screw; 432. Reciprocating motor; 44. Cover plate. Detailed Implementation

[0027] The following is in conjunction with the appendix Figure 1 - Appendix Figure 4 This application will be described in further detail.

[0028] This application discloses a spray pretreatment apparatus for springs. (Refer to...) Figure 1 and Figure 2A spray pretreatment device for springs includes a frame 1, a transfer assembly 2 for transferring springs from a heat treatment device to a surface treatment device, an air blowing assembly 3, and an auxiliary air blowing assembly 4. The frame 1 consists of several gantry frames distributed along the transport direction of the springs. The transfer assembly 2 includes a transfer frame 21, a conveyor belt 22, several lifting lugs 23, and several hooks 24. The length direction of the transfer frame 21 is parallel to the distribution direction of the frame 1, and the transfer frame 21 is fixedly mounted on the frame 1. The conveyor belt 22 extends along the length of the transfer frame 21. The conveyor belt 22 moves relative to the transfer frame 21. Several lifting lugs 23 are distributed along the length of the conveyor belt 22 and are fixedly installed on the conveyor belt 22. Several hooks 24 correspond to several lifting lugs 23. One end of the hook 24 is hooked onto the lifting lug 23, and the other end of the hook 24 is used to hook the spring. The air blowing assembly 3 and the auxiliary air blowing assembly 4 are located on both sides of the spring transport. Both the air blowing assembly 3 and the auxiliary air blowing assembly 4 are installed on the frame 1 and are used to blow air onto the spring.

[0029] refer to Figure 3 and Figure 4 The air blowing assembly 3 includes an air blowing pipe 31, an air blowing pump 32, and a lifting component 33. The air blowing pipe 31 is vertically arranged, and the top of the air outlet pipe is sealed. The air blowing pipe 31 is slidably connected to the frame 1 in the vertical direction. The air blowing pipe 31 has several air blowing holes 311, which are distributed along the length of the air blowing pipe 31. The air blowing holes 311 are connected to the inside of the air blowing pipe 31 and face the spring. The air blowing pump 32 is fixedly arranged on the frame 1. The lifting component 33 is used to drive the air blowing pipe 31 to move back and forth vertically. The air blowing pump 32 is fixedly arranged on the frame 1 and has two air outlets. The two air outlets are respectively connected to two hoses 34. The air blowing pipe 31 is connected to one of the hoses 34.

[0030] refer to Figure 3 and Figure 4 The lifting component 33 includes a drive motor 331, a rotating disk 332, and a connecting rod 333. The axis of the rotating disk 332 is horizontally set and the rotating disk 332 is rotatably connected to the frame 1. The drive motor 331 is fixedly set and the output shaft of the drive motor 331 is fixedly connected to the rotating disk 332. One end of the connecting rod 333 is eccentrically rotatably connected to the rotating disk 332, and the other end of the connecting rod 333 is rotatably connected to the air blowing pipe 31.

[0031] refer to Figure 3 and Figure 4The auxiliary air blowing assembly 4 includes an auxiliary air blowing pipe 41 and a mounting block 42. The mounting block 42 includes a fixing block 421 and a reciprocating block 422. The fixing block 421 is fixedly mounted on the frame 1. A sliding groove 423 is provided on the upper end face of the fixing block 421. The sliding groove 423 extends along the transport direction of the spring. The reciprocating block 422 is slidably connected to the sliding groove 423 along the transport direction of the spring. A reciprocating component 43 is provided on the fixing block 421. The reciprocating component 43 includes a reciprocating screw 431 and a reciprocating motor 432. The length direction of the reciprocating screw 431 is parallel to the sliding direction of the reciprocating block 422. The reciprocating screw 431 is rotatably connected to the fixed block 421. The reciprocating block 422 is threadedly connected to the reciprocating screw 431. The reciprocating motor 432 is fixedly mounted on the fixed block 421. The output shaft of the reciprocating motor 432 is fixedly connected to one end of the reciprocating screw 431. A cover plate 44 is provided on the reciprocating block 422. The cover plate 44 is used to abut against the fixed block 421 and to cover the reciprocating screw 431.

[0032] refer to Figure 3 and Figure 4 The auxiliary air blowing pipe 41 is vertically arranged, and the top of the auxiliary air blowing pipe 41 is sealed. One end of the auxiliary air blowing pipe 41 is fixedly arranged on the reciprocating block 422. The auxiliary air blowing pipe 41 has several auxiliary air blowing holes 411, which are distributed along the vertical direction of the auxiliary air blowing pipe 41. The auxiliary air blowing holes 411 are connected to the inside of the auxiliary air blowing pipe 41 and face the spring. The auxiliary air blowing pipe 41 is connected to another hose 34 of the air blowing pump 32.

[0033] The implementation principle of the spray pretreatment device for springs in this application embodiment is as follows: the worker hangs the spring on the hook 24 of the transfer component 2. During the process of the spring being transferred from the heat treatment equipment to the surface treatment equipment, it will pass through the air blowing component 3 and the auxiliary air blowing component 4. The air blowing pump 32 is used to supply air to the air blowing pipe 31 and the auxiliary air blowing pipe 41. The air blowing pipe 31 moves back and forth in the vertical direction and blows air onto the spring. The auxiliary air blowing pipe 41 moves back and forth in the transport direction of the spring and blows air onto the spring. The impurities and dust adhering to the surface of the spring are blown off by the air blowing pipe 31 and the auxiliary air blowing pipe 41. No manual operation is required by the worker, which reduces the health threat of dust and metal impurities to the worker.

[0034] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A spray pre-treatment apparatus for springs, characterized by: The equipment includes a frame (1), a transfer assembly (2), and an air blowing assembly (3). The transfer assembly (2) is used to transfer the spring from the heat treatment equipment to the surface treatment equipment. The transfer assembly (2) passes through the frame (1). The air blowing assembly (3) includes an air blowing pipe (31), an air blowing pump (32), and a lifting component (33). The air blowing pipe (31) is vertically arranged and located on one side of the transfer assembly (2). The air blowing pipe (31) is slidably connected to the frame (1) in the vertical direction. The air blowing pump (32) is used to supply air to the air blowing pipe (31). An air blowing hole (311) communicating with the inside of the air blowing pipe (31) is opened on the side wall of the air blowing pipe (31). The air blowing hole (311) faces the spring during transportation. The lifting component (33) is used to drive the air blowing pipe (31) to move back and forth in the vertical direction.

2. A spray pre-treatment apparatus for springs as claimed in claim 1, wherein: The lifting component (33) includes a drive motor (331), a rotating disk (332), and a connecting rod (333). The axis of the rotating disk (332) is horizontally set, and the rotating disk (332) is rotatably connected to the frame (1). The drive motor (331) is used to drive the rotating disk (332) to rotate. One end of the connecting rod (333) is eccentrically rotatably connected to the rotating disk (332), and the other end of the rotating disk (332) is rotatably connected to the air blowing pipe (31).

3. A spray pre-treatment apparatus for springs as defined in claim 1, wherein: The transfer assembly (2) includes a transfer frame (21), a conveyor belt (22), a number of lifting lugs (23) and a number of hooks (24). The transfer frame (21) is mounted on the frame (1). The conveyor belt (22) is mounted on the transfer frame (21). The conveyor belt (22) moves relative to the transfer frame (21). The number of lifting lugs (23) are distributed along the length of the conveyor belt (22) and are mounted on the conveyor belt (22). The number of hooks (24) correspond to the number of lifting lugs (23). One end of the hook (24) is mounted on the lifting lug (23). The hook (24) is used to hook a spring.

4. A spray pre-treatment apparatus for springs as defined in claim 1, wherein: An auxiliary air blowing assembly (4) is also provided on the frame (1). The auxiliary air blowing assembly (4) includes an auxiliary air blowing pipe (41) and a mounting block (42). The mounting block (42) is provided on the frame (1). The auxiliary air blowing pipe (41) is located on the side of the transfer assembly (2) away from the air blowing pipe (31). One end of the auxiliary air blowing pipe (41) is provided on the mounting block (42). The air blowing pump (32) supplies air to the auxiliary air blowing pipe (41). An auxiliary air blowing hole (411) communicating with the inside of the auxiliary air blowing pipe (41) is provided on the side wall of the auxiliary air blowing pipe (41). The auxiliary air blowing hole (411) faces the spring during transportation.

5. A spray pre-treatment apparatus for springs as claimed in claim 4, wherein: The mounting block (42) includes a fixed block (421) and a reciprocating block (422). A reciprocating component (43) is provided on the fixed block (421). The fixed block (421) is located on the frame (1). The reciprocating block (422) is slidably connected to the fixed block (421) along the transport direction of the spring. The reciprocating component (43) includes a reciprocating screw (431) and a reciprocating motor (432). The reciprocating screw (431) is rotatably connected to the fixed block (421). The reciprocating block (422) is threadedly connected to the reciprocating screw (431). The reciprocating motor (432) is used to drive the reciprocating screw (431) to rotate.

6. A spray pre-treatment apparatus for springs as claimed in claim 5, wherein: The reciprocating block (422) is provided with a cover plate (44), which is used to cover the reciprocating lead screw (431).

7. A spray pre-treatment apparatus for springs as defined in claim 4, wherein: The air pump (32) is provided with two air outlets, and the two air outlets are respectively connected to two hoses (34). The two hoses (34) are respectively connected to the air blowing pipe (31) and the auxiliary air blowing pipe (41).

8. A spray pre-treatment apparatus for springs as defined in claim 4, wherein: The air blowing pipe (31) is provided with a plurality of air blowing holes (311), which are distributed along the length direction of the air blowing pipe (31). The auxiliary air blowing pipe (41) is provided with a plurality of auxiliary air blowing holes (411), which are distributed along the length direction of the auxiliary air blowing pipe (41).

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