Heat treatment equipment for automobile high-strength screw production
By using automated screw heat treatment equipment with cooling water quenching and air supply devices, the problems of excessive manual operation and oil quenching pollution in existing equipment have been solved, achieving efficient and environmentally friendly screw production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-27
AI Technical Summary
Existing heat treatment equipment for high-strength automotive screws suffers from numerous manual operation steps, high labor intensity, low production efficiency, and oil quenching methods that lead to oil fume pollution and fire hazards, making it difficult to meet the needs of large-scale production and green manufacturing requirements.
The design incorporates an automatic conveying mechanism, a heating furnace, and a quenching tank. Water quenching is used instead of oil quenching. Combined with a temperature controller and an air supply device, the screws undergo automated heat treatment, ensuring precise temperature control and removal of surface water stains.
It improves the heat treatment quality and production efficiency of screws, reduces labor intensity and energy consumption, reduces air pollution, and enhances the automation and economy of the equipment.
Smart Images

Figure CN224047446U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to screw production technical field, concretely is a kind of heat treatment equipment for automobile high-strength screw production. BACKGROUND
[0002] In the field of automobile manufacturing, as a key component, the quality of high-strength screw directly affects the safety and overall performance of the automobile. With the rapid development of the automobile industry, higher requirements are placed on the mechanical properties such as strength and toughness of high-strength screw. Heat treatment, as a key process to improve the performance of high-strength screw for automobiles, plays a crucial role in the production process.
[0003] The existing heat treatment equipment has many manual operation links and high labor intensity, resulting in low production efficiency, which cannot meet the rhythm of large-scale production of the automobile industry. Moreover, it is easy to cause product quality problems due to human factors. In addition, the existing heat treatment mostly adopts oil quenching method, which has the problems of oil smoke pollution and fire hazard, does not conform to the development trend of green manufacturing, and is not conducive to the reduction of production cost and the realization of green and sustainable development of enterprises.
[0004] According to the full-automatic heat treatment equipment for screws disclosed in the patent No. CN222160265U, a first rotating roller, a grid, a second rotating roller, a quenching tank, a converging pipe, a compressor, a support beam, a controller and a shunt pipe are provided. The grid is arranged inside the quenching tank, and the first rotating roller is arranged on the upper surface of the grid. The second rotating roller is arranged on the upper surface of the grid. The first rotating roller and the second rotating roller are connected with a servo motor at one end. The compressor is mounted on the upper surface of the bottom support, and the controller is arranged on one side of the compressor. The converging pipe and the shunt pipe are arranged on the outer walls of the quenching tank. The cooling pipe is connected between the converging pipe and the shunt pipe, and penetrates the inside of the quenching tank. The temperature sensor is embedded and installed on the inner walls of the quenching tank. The utility model can continuously transmit the heated screws through the grid and continuously quench them in the quenching tank. At the same time, the quenching oil in the quenching tank can be cooled to prevent the quenching effect from being affected by the excessively high quenching temperature.
[0005] According to the above introduction, the screw needs to be heat treated. The existing heat treatment equipment has many manual operation links and high labor intensity, resulting in low production efficiency, which cannot meet the rhythm of large-scale production of the automobile industry. Moreover, it is easy to cause product quality problems due to human factors. In addition, the existing heat treatment mostly adopts oil quenching method, which has the problems of oil smoke pollution and fire hazard, enhances air pollution, in order to solve the above problems, thus putting forward an improved heat treatment equipment for automobile high-strength screw production. SUMMARY
[0006] The utility model discloses a purpose lies in providing a kind of heat treatment equipment for automobile high-strength screw production, by design automatic conveying mechanism can realize automation operation, screw is conveyed to heating furnace and is heated, while the screw after heating is automatically introduced into quenching tank, quenching treatment is carried out by cooling water, to reduce the link of manual operation, not only can improve production efficiency, while reducing labor intensity, quenching by cooling water replaces oil quenching mode, reduces pollution to air, improves the environmental protection of heat treatment equipment, to solve the problem proposed in the above background art.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of heat treatment equipment for automobile high-strength screw production, including step seat, further including automatic conveying mechanism, heating furnace and quenching tank, the quenching tank is filled with cooling water, the heating furnace and automatic conveying mechanism are all installed on step seat, the automatic conveying mechanism is through heating furnace and extends to outside, one end of the automatic conveying mechanism is fixed on quenching tank, the top of the heating furnace is installed with temperature controller, the temperature controller is electrically connected with controller, the controller is installed on one side of heating furnace;
[0008] The bottom of the quenching tank is provided with a lifting assembly, the top of the quenching tank is fixedly connected with a support frame, and an air supply device for providing blowing action on water stains on the surface of the screw is installed on the support frame.
[0009] Preferably, the automatic conveying mechanism includes a first conveying frame, a second conveying frame and a third conveying frame, the first conveying frame is installed on the left side of the heating furnace, the second conveying frame is located on the inner side of the heating furnace, and the third conveying frame is installed on the right side of the heating furnace, and one end of the third conveying frame is connected with a guide plate.
[0010] Preferably, the third conveying frame is fixedly connected with a guide plate at one end of the quenching tank, and the guide plate is inclined and extends into the quenching tank.
[0011] Preferably, the lifting assembly includes a push rod cylinder, the push rod cylinder is installed at the bottom of the quenching tank, the piston rod of the push rod cylinder penetrates through the bottom of the quenching tank through a waterproof sleeve and is fixedly connected with a filter frame, and one side of the filter frame is attached to the lower end of the guide plate.
[0012] Preferably, the filter frame is fixedly connected with a sliding block at two symmetrical positions, and the inner wall of the quenching tank is provided with a sliding groove at a position corresponding to the sliding block.
[0013] Preferably, the air supply device includes an electric push rod, the electric push rod is installed at the top of the support frame, the piston rod of the electric push rod is fixedly connected with a mounting plate, and the lower surface of the mounting plate is installed with an air blower at equal distances, and the air blower is located above the filter frame.
[0014] Preferably, the upper surface of the mounting plate is fixedly connected with positioning rods at both ends, and upper ends of the positioning rods are upwardly extended through a sliding sleeve and a supporting frame.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] The utility model provides a kind of heat treatment equipment for automobile high-strength screw production, and the heat treatment equipment realizes the automation heat treatment processing of automobile high-strength screw by the synergies of automatic conveying mechanism, heating furnace and quenching tank, heating furnace is equipped with temperature controller and controller, ensure accurate temperature control, improve the hardness and strength of screw;The lifting assembly and air supply device of quenching tank effectively remove the water stain on the surface of screw, prevent corrosion, improve the degree of automation of heat treatment equipment to screw processing, significantly improve the heat treatment quality and production efficiency of screw, while reducing labor cost and energy consumption, and by cooling water quenching instead of oil quenching mode, reduce air pollution, with higher practicality and economy.
[0017] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the description and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0019] Fig. 2 It is the right view schematic diagram of the automatic conveying mechanism structure of the utility model;
[0020] Fig. 3 It is the quenching tank structure section view schematic diagram of the utility model;
[0021] Fig. 4 It is the quenching tank structure plane section view schematic diagram of the utility model.
[0022] Reference numerals in the drawing: 1, step seat;2, automatic conveying mechanism;21, first conveying frame;22, second conveying frame;23, third conveying frame;3, heating furnace;4, quenching tank;5, cooling water;6, temperature controller;7, controller;8, lifting assembly;81, push rod cylinder;82, filter frame;83, sliding block;84, sliding groove;9, air supply device;91, electric push rod;92, mounting plate;93, air blower;94, positioning rod;95, sliding sleeve;10, supporting frame;11, material guide plate. DETAILED DESCRIPTION
[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] The utility model provides a kind of heat treatment equipment for automobile high-strength screw production as Figs. 1-4 As shown in a kind of automobile high-strength screw production heat treatment equipment, including step seat 1, further including automatic conveying mechanism 2, heating furnace 3 and quenching tank 4, quenching tank 4 is filled with cooling water 5 inside, heating furnace 3 and automatic conveying mechanism 2 are all installed on step seat 1, automatic conveying mechanism 2 is through heating furnace 3 and extends to outside, one end of automatic conveying mechanism 2 is fixed on quenching tank 4, temperature controller 6 is installed on the top of heating furnace 3, temperature controller 6 is electrically connected with controller 7, and controller 7 is installed on one side of heating furnace 3;
[0025] The bottom of quenching tank 4 is provided with lifting assembly 8, and the top of quenching tank 4 is fixedly connected with support frame 10, and air supply device 9 for providing blowing effect on screw surface water spots is installed on support frame 10, the heat treatment equipment realizes the automatic heat treatment processing of automobile high-strength screw through the synergistic effect of automatic conveying mechanism 2, heating furnace 3 and quenching tank 4, heating furnace 3 is equipped with temperature controller 6 and controller 7, to ensure accurate temperature control, improve the hardness and strength of screw; the lifting assembly 8 and air supply device 9 of quenching tank 4 effectively remove the water spots on the surface of screw, prevent corrosion, improve the degree of automation of heat treatment equipment for screw processing, significantly improve the heat treatment quality and production efficiency of screw, reduce labor cost and energy consumption, and the quenching by cooling water 5 instead of oil quenching mode reduces air pollution, has higher practicability and economy.
[0026] Automatic conveying mechanism 2 includes first conveying frame 21, second conveying frame 22 and third conveying frame 23, first conveying frame 21 is installed on the left side of heating furnace 3, second conveying frame 22 is located on the inside of heating furnace 3, third conveying frame 23 is installed on the right side of heating furnace 3, and one end of third conveying frame 23 is installed on quenching tank 4, through the cooperation of first conveying frame 21, second conveying frame 22 and third conveying frame 23, the continuous conveying of screw from heating to cooling is realized, and the segmented conveying design ensures the smooth transition of screw in the heating and cooling process, improves production efficiency, reduces manual intervention, and reduces operation risk.
[0027] The third conveying frame 23 is fixed at one end of the quenching tank 4 and connected with the guide plate 11. The guide plate 11 is a slope surface and extends into the quenching tank 4. The guide plate 11 is arranged to guide the screws to enter the cooling water 5 stably. The slope design reduces the impact of the screws when falling to avoid deformation or damage and ensures uniform cooling of the screws and improves the consistency of heat treatment.
[0028] The lifting assembly 8 comprises a push rod cylinder 81 installed at the bottom of the quenching tank 4. The piston rod of the push rod cylinder 81 penetrates the bottom of the quenching tank 4 through a waterproof sleeve and is fixedly connected with a filter frame 82. One side of the filter frame 82 is attached to the lower end of the guide plate 11. The push rod cylinder 81 provides driving force to push the filter frame 82 up and down in the quenching tank 4. The filter frame 82 is attached to the guide plate 11 to collect and clean impurities in the cooling water 5 and facilitate the lifting of the heated screws in the cooling water 5, facilitating the quenching treatment of the screws and improving the cooling effect of the screws.
[0029] The filter frame 82 is fixedly connected with a sliding block 83 at the symmetrical positions of both ends. The inner wall of the quenching tank 4 is provided with a sliding groove 84 corresponding to the sliding block 83. The sliding block 83 and the sliding groove 84 ensure stable movement of the filter frame 82 and avoid jamming to improve the reliability of the equipment operation.
[0030] The air supply device 9 comprises an electric push rod 91 installed at the top of the support frame 10. The piston rod of the electric push rod 91 is fixedly connected with a mounting plate 92. The lower surface of the mounting plate 92 is uniformly provided with air blowers 93 at equal distances. The air blowers 93 are located above the filter frame 82. The electric push rod 91 provides driving force to drive the mounting plate 92 to move up and down. The air blowers 93 can quickly remove water on the surface of the screws to prevent rust and improve the surface quality of the screws and the subsequent processing efficiency.
[0031] The upper surface of the mounting plate 92 is fixedly connected with positioning rods 94 at both ends. The upper ends of the positioning rods 94 penetrate the support frame 10 through sliding sleeves 95 and extend upward. The mounting plate 92 is connected with the support frame 10 through the positioning rods 94. The positioning rods 94 penetrate the support frame 10 through the sliding sleeves 95 to ensure that the mounting plate 92 remains stable during the air supply process.
[0032] In specific use, first, the screw to be heated is placed on the first conveying frame 21, then transmitted to the second conveying frame 22 through the first conveying frame 21, then heated through the heating furnace 3, and in the heating process, through the cooperation between the controller 7 and the temperature controller 6, the temperature inside the heating furnace 3 can be controlled and adjusted, ensuring accurate temperature control, improving the hardness and strength of the screw, then the screw is transmitted to the third conveying frame 23 after heating, and the screw is guided into the quenching tank 4 through the third conveying frame 23, realizing the continuous conveying of the screw from heating to cooling, and the segmented conveying design ensures smooth transition of the screw in the heating and cooling process, improves production efficiency, reduces manual intervention, and reduces operation risk. In the quenching tank 4, the driving force is provided by the push rod cylinder 81, the push rod cylinder 81 drives the filter frame 82 to ascend and descend in the quenching tank 4, the filter frame 82 is attached to the guide plate 11, used for collecting and cleaning impurities in the cooling water 5, and at the same time, it is convenient to drive the heated screw to ascend and descend in the cooling water 5, convenient for quenching treatment of the screw, and improve the cooling effect of the screw. The screw after quenching treatment leaves the cooling water 5 through the lifting assembly 8, then the driving force is provided by the electric push rod 91 arranged, the electric push rod 91 drives the mounting plate 92 to move up and down, and the air blower 93 can quickly remove the water on the surface of the screw, prevent rust, and improve the surface quality and subsequent processing efficiency of the screw.
[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A heat treatment device for producing high-strength automotive screws, comprising a stepped seat (1), characterized in that: It also includes an automatic conveying mechanism (2), a heating furnace (3) and a quenching tank (4). The quenching tank (4) is filled with cooling water (5). The heating furnace (3) and the automatic conveying mechanism (2) are both installed on the step seat (1). The automatic conveying mechanism (2) passes through the heating furnace (3) and extends outward. One end of the automatic conveying mechanism (2) is fixed on the quenching tank (4). A temperature controller (6) is installed on the top of the heating furnace (3). The temperature controller (6) is electrically connected to a controller (7). The controller (7) is installed on one side of the heating furnace (3). The bottom of the quenching tank (4) is provided with a lifting assembly (8), and the top of the quenching tank (4) is fixedly connected with a support frame (10). The support frame (10) is equipped with an air supply device (9) that provides air blowing to the water stains on the screw surface.
2. The heat treatment equipment for producing high-strength automotive screws according to claim 1, characterized in that: The automatic conveying mechanism (2) includes a first conveying frame (21), a second conveying frame (22) and a third conveying frame (23). The first conveying frame (21) is installed on the left side of the heating furnace (3), the second conveying frame (22) is located inside the heating furnace (3), and the third conveying frame (23) is installed on the right side of the heating furnace (3), with one end of the third conveying frame (23) installed on the quenching tank (4).
3. The heat treatment equipment for producing high-strength automotive screws according to claim 2, characterized in that: The third conveyor (23) is fixed at one end of the quenching tank (4) and connected to a guide plate (11). The guide plate (11) is sloping and extends into the quenching tank (4).
4. The heat treatment equipment for producing high-strength automotive screws according to claim 3, characterized in that: The lifting assembly (8) includes a push rod cylinder (81), which is installed at the bottom of the quenching tank (4). The piston rod of the push rod cylinder (81) passes through the bottom of the quenching tank (4) through a waterproof sleeve and is fixedly connected to a filter frame (82). One side of the filter frame (82) is attached to the lower end of the guide plate (11).
5. The heat treatment equipment for producing high-strength automotive screws according to claim 4, characterized in that: The filter frame (82) has sliders (83) fixedly connected at symmetrical positions at both ends, and the inner wall of the quenching tank (4) has a groove (84) at the position corresponding to the slider (83).
6. The heat treatment equipment for producing high-strength automotive screws according to claim 1, characterized in that: The air supply device (9) includes an electric push rod (91), which is installed on the top of the support frame (10). The piston rod of the electric push rod (91) is fixedly connected to a mounting plate (92). Air supply fans (93) are installed at equal distances on the lower surface of the mounting plate (92). The air supply fans (93) are located above the filter frame (82).
7. The heat treatment equipment for producing high-strength automotive screws according to claim 6, characterized in that: Positioning rods (94) are fixedly connected to both ends of the upper surface of the mounting plate (92). The upper end of the positioning rods (94) passes through the support frame (10) through the sliding sleeve (95) and extends upward.
Citation Information
Patent Citations
Full-automatic heat treatment equipment for screws
CN222160265U