Thermal treatment furnace for surface treatment of nitrogen spring

Abstract

The utility model discloses a heat treatment furnace for nitrogen spring surface treatment, which comprises a furnace cabinet, two sides of the inner wall of the furnace cabinet are fixedly connected with a plurality of sockets, the inner walls of two sockets at the same height are inserted with laminates, the inner walls of the laminates are rotatably connected with threaded rods through bearings, and two sides of the surface of each threaded rod are sleeved with stroke blocks through threads. Supporting rods are fixedly connected to the top ends of the two stroke blocks, clamping plates are fixedly connected to the top ends of the supporting rods, a plurality of arc-shaped grooves are formed in the surfaces of the clamping plates, a water distribution pipe is fixedly connected to the position, located above each layer plate, of one side of the inner wall of the furnace cabinet, and a plurality of atomization nozzles fixedly communicate with the surfaces of the water distribution pipes; according to the heat treatment furnace for surface treatment of the nitrogen springs, the feeding and taking efficiency of the nitrogen springs in the heat treatment process can be improved by placing and taking the laminates clamping the multiple nitrogen springs, and the nitrogen springs can be rapidly cooled after being heated to the specific temperature due to the arrangement of a spraying cooling structure.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment furnaces, in particular to a heat treatment furnace for surface treatment of nitrogen springs. Background Art

[0002] A nitrogen spring is a pneumatic component that is pressurized with nitrogen. It generates a reverse force by compressing the nitrogen to provide precise elastic force and cushioning effects. It is widely used in machinery, automobiles, and industrial equipment.

[0003] Nitrogen springs are tempered during processing to adjust the hardness, toughness, and internal stress of the material. However, existing heat treatment furnaces for surface tempering of nitrogen springs have the following disadvantages:

[0004] (1) The existing heat treatment furnace is inconvenient for placing and taking out nitrogen springs. It is not possible to place and take out multiple nitrogen springs at a time, and the heat treatment efficiency is low;

[0005] (2) The existing heat treatment furnace does not heat the multiple nitrogen springs uniformly, and after the nitrogen springs are heated to a specific temperature, they cannot be cooled down quickly, and the cooling time is long. Utility Model Content

[0006] The purpose of the utility model is to provide a heat treatment furnace for surface treatment of nitrogen springs, so as to solve the problems mentioned in the above background technology, such as the inconvenience of placing and taking out nitrogen springs in the existing heat treatment furnace, the inability to place and take out multiple nitrogen springs at a time, low heat treatment efficiency, uneven heating of multiple nitrogen springs by the heat treatment furnace, and the inability to quickly cool down the nitrogen springs after they are heated to a specific temperature, resulting in a long cooling time.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat treatment furnace for surface treatment of nitrogen springs, comprising a furnace cabinet, wherein both sides of the inner wall of the furnace cabinet are fixedly connected with a plurality of sockets, and the inner walls of two of the sockets at the same height are plugged with layer plates, and the inner walls of the layer plates are rotatably connected with threaded rods through bearings, and both sides of the surface of the threaded rods are threadedly sleeved with travel blocks, and the top ends of the two travel blocks are fixedly connected with support rods, and the top ends of the support rods are fixedly connected with plywood, and the surface of the plywood is provided with a plurality of arc grooves, and one side of the inner wall of the furnace cabinet is fixedly connected with a water distribution pipe above each layer, and the surface of the water distribution pipe is fixedly connected with a plurality of atomizing nozzles, and a fan is fixedly installed on the top of the furnace cabinet, and both sides of the furnace cabinet are fixedly connected with air distribution boxes, and the inner wall of the air distribution box is fixedly connected with a heating wire.

[0008] When using a heat treatment furnace for surface treatment of nitrogen springs according to the present technical solution, the efficiency of placing and removing nitrogen springs during the heat treatment process can be improved by placing and removing the layer plates holding multiple nitrogen springs. A spray cooling structure is provided to enable the nitrogen springs to be quickly cooled after being heated to a specific temperature.

[0009] As a preferred technical solution of the present invention, one end of the threaded rod passes through the front surface of the layer board and is fixedly connected to a rotating member, and the threads on both sides of the threaded rod are in opposite directions. The rotating member is provided to facilitate the rotation of the threaded rod.

[0010] As a preferred technical solution of the present invention, a strip-shaped opening is formed in the middle of the top of the shelf, and the two support rods are slidably connected to the strip-shaped opening. Slide rails are fixedly connected to both sides of the top of the shelf, and sliders are fixedly connected to both sides of the bottom of the clamping plate, and the sliders are slidably connected to the surface of the slide rails. The sliders and slide rails guide the movement of the shelf.

[0011] As a preferred technical solution of the present invention, the fan input end is connected to the interior of the furnace cabinet, and the fan output end is fixedly connected to a T-shaped pipe. Circulation pipes are fixedly connected to both sides of the top of the T-shaped pipe, and the bottom end of the circulation pipe is fixedly connected to the top of the air distribution box. The circulation pipes are provided for thermal circulation of air.

[0012] As a preferred technical solution of the present invention, a plurality of air outlets are evenly arranged at the connection between the furnace cabinet and the air distribution box. The air outlets are used to evenly blow out hot air.

[0013] As a preferred technical solution of the present invention, a water supply pipeline is fixedly connected to the back of the furnace cabinet, and a plurality of the water distribution pipes are connected to the water supply pipeline. The water supply pipeline is used to supply cooling water to each water distribution pipe in the furnace cabinet.

[0014] As a preferred technical solution of the present invention, a drain pipe is fixedly connected to the bottom of the side wall of the furnace cabinet, and a valve is fixedly installed at one end of the drain pipe. Spray water accumulated at the bottom of the furnace cabinet can be discharged from the drain pipe by opening the valve.

[0015] As a preferred technical solution of the present invention, a door is hingedly connected to the front of the oven cabinet, and the door seals the oven cabinet.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. By rotating the rotating part at the shelf, the threaded rod is driven to rotate, so that the travel blocks on both sides and the upper clamping plate move in opposite horizontal straight lines. By adjusting the distance between the two clamping plates and coordinating with the setting of the arc groove, multiple nitrogen springs can be clamped and fixed on the shelf at the same time. Therefore, the heat treatment furnace can improve the efficiency of placing and removing nitrogen springs during the heat treatment process by placing and removing the shelf plates holding multiple nitrogen springs.

[0018] 2. By starting the electric heating wires in the air distribution boxes on both sides of the heat treatment furnace, the air in the box is heated, and then the fan is started to blow the hot air evenly from the air outlets on both sides to the nitrogen springs on each layer of the plate, so that the heating is more uniform. After the nitrogen springs are heated to a specific temperature, water is input from the water supply pipeline and sent to each water distribution pipe in the heat treatment furnace, and then evenly sprayed from several atomizing nozzles, which can play a role in spraying and cooling each nitrogen spring, thereby accelerating the cooling of its surface and reducing the cooling time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front perspective view of the present utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 This is a top view of the layer plate of the utility model;

[0022] Figure 4 It is a side cross-sectional view of the layer plate of the utility model;

[0023] Figure 5 This is a structural diagram of the slide rail of the utility model;

[0024] Figure 6 It is a rear perspective view of the present invention.

[0025] In the figure: 1. Furnace cabinet; 2. Socket; 3. Shelf; 4. Threaded rod; 5. Travel block; 6. Rotating part; 7. Support rod; 8. Clamp; 9. Strip opening; 10. Arc groove; 11. Slider; 12. Slide rail; 13. Air distribution box; 14. Heating wire; 15. Air outlet; 16. Fan; 17. T-shaped pipe; 18. Circulation pipe; 19. Furnace door; 20. Water distribution pipe; 21. Atomizing nozzle; 22. Drain pipe; 23. Valve; 24. Water supply pipeline; 25. Bearing. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-6 The utility model provides a heat treatment furnace for surface treatment of nitrogen spring, including a furnace cabinet 1, and several sockets 2 are fixedly connected on both sides of the inner wall of the furnace cabinet 1. The inner walls of the two sockets 2 at the same height are plugged with a layer plate 3, which can be taken in and put out. The inner wall of the layer plate 3 is rotatably connected to a threaded rod 4 through a bearing 25. The two sides of the surface of the threaded rod 4 are threadedly sleeved with a travel block 5. The tops of the two travel blocks 5 are fixedly connected to a support rod 7, and the tops of the support rod 7 are fixedly connected to a splint 8. The surface of the splint 8 is provided with several arc grooves 10, which can clamp nitrogen springs of different sizes. One side of the inner wall of the furnace cabinet 1 is fixedly connected to a water distribution pipe 20 above each layer 3. The surface of the water distribution pipe 20 is fixedly connected to a plurality of atomizing nozzles 21, and the spraying is more uniform. A fan 16 is fixedly installed on the top of the furnace cabinet 1 for air circulation. Air distribution boxes 13 are fixedly connected on both sides of the furnace cabinet 1. The inner wall of the air distribution box 13 is fixedly connected with an electric heating wire 14 for heating.

[0028] During use, by rotating the threaded rod 4 at the layer plate 3, the travel blocks 5 on both sides and the upper clamping plate 8 move in opposite horizontal straight lines. Therefore, by adjusting the distance between the two clamping plates 8 and cooperating with the setting of the arc groove 10, multiple nitrogen springs can be clamped and fixed on the layer plate 3 at the same time. Therefore, the heat treatment furnace can improve the efficiency of placing and taking out the nitrogen springs during the heat treatment process by placing and taking out the layer plate 3 clamping multiple nitrogen springs.

[0029] One end of the threaded rod 4 passes through the front of the shelf 3 and is fixedly connected to a rotating part 6 for easy rotation. The threads on both sides of the surface of the threaded rod 4 are in opposite directions. A strip opening 9 is opened in the middle of the top of the shelf 3, and two support rods 7 are slidably connected to the strip opening 9 to provide moving space. Both sides of the top of the shelf 3 are fixedly connected to slide rails 12, and both sides of the bottom of the splint 8 are fixedly connected to sliders 11, and the sliders 11 are slidably connected to the surface of the slide rails 12 to play a guiding role. The front of the furnace cabinet 1 is hinged with a furnace door 19 to play a closing role.

[0030] During use, when the rotating member 6 drives the threaded rod 4 to rotate, since the threads on both sides of the surface of the threaded rod 4 are in opposite directions, and under the guidance of the slider 11 and the slide rail 12, the travel blocks 5 on both sides and the upper splint 8 can move in opposite horizontal straight lines. The provided strip opening 9 provides space for the movement of the support rod 7, and the provided furnace door 19 is used to close the furnace cabinet 1 to prevent heat loss.

[0031] The input end of the fan 16 is connected to the interior of the furnace cabinet 1, and the output end of the fan 16 is fixedly connected to a T-shaped tube 17. Both sides of the top of the T-shaped tube 17 are fixedly connected to circulation tubes 18, and the bottom end of the circulation tube 18 is fixedly connected to the top of the air distribution box 13. A number of air outlets 15 are evenly opened at the connection between the furnace cabinet 1 and the air distribution box 13, and the air outlet is more uniform. A water supply pipeline 24 is fixedly connected to the back of the furnace cabinet 1, and several water distribution pipes 20 are connected to the water supply pipeline 24 for supplying water for cooling. The bottom of the side wall of the furnace cabinet 1 is fixedly connected to a drain pipe 22, and a valve 23 is fixedly installed at one end of the drain pipe 22 to control the opening and closing of the drain pipe 22.

[0032] During use, the air in the air distribution boxes 13 on both sides of the heat treatment furnace is heated by starting the electric heating wires 14, and then the fan 16 is started to blow the hot air evenly from the air outlets 15 on both sides to the nitrogen springs on each layer of the plate 3, so that the heating is more uniform. Then, under the action of the fan 16, the air enters the circulation pipes 18 on both sides from above, circulates and heats and flows. After the nitrogen springs are heated to a specific temperature, water is input from the water supply pipeline 24 and sent to each water distribution pipe 20 in the heat treatment furnace, and then evenly sprayed from several atomizing nozzles 21, which can spray and cool each nitrogen spring. The accumulated spray water can be discharged from the drain pipe 22 by opening the valve 23.

[0033] When used specifically, the utility model is a heat treatment furnace for surface treatment of nitrogen springs. The rotating member 6 at the rotating layer 3 drives the threaded rod 4 to rotate. Since the threads on both sides of the threaded rod 4 are in opposite directions, and under the guidance of the slider 11 and the slide rail 12, the travel blocks 5 on both sides and the upper clamping plate 8 can move horizontally in opposite directions. Therefore, by adjusting the spacing between the two clamping plates 8 and cooperating with the setting of the arc groove 10, multiple nitrogen springs can be clamped and fixed on the layer 3 at the same time. Therefore, the heat treatment furnace can improve the efficiency of placing and taking out the nitrogen springs during the heat treatment process by placing and taking out the layer 3 clamping multiple nitrogen springs. By starting The electric heating wires 14 in the air distribution boxes 13 on both sides of the heat treatment furnace are activated to heat the air in the boxes, and then the fans 16 are started to blow the hot air evenly from the air outlets 15 on both sides to the nitrogen springs on each layer of the plate 3, so that the heating is more uniform. Then, under the action of the fans 16, the air enters the circulation pipes 18 on both sides from above, and circulates heating and flow. After the nitrogen springs are heated to a specific temperature, water is input from the water supply pipeline 24 and sent to each water distribution pipe 20 in the heat treatment furnace, and then evenly sprayed from several atomizing nozzles 21, which can play the role of spraying and cooling each nitrogen spring, accelerate the cooling of its surface, and reduce the cooling time.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heat treatment furnace for nitrogen spring surface treatment, comprising a furnace cabinet (1), characterized in that: A plurality of sockets (2) are fixedly connected to both sides of the inner wall of the furnace cabinet (1), and a layer plate (3) is inserted into the inner wall of two of the sockets (2) at the same height. The inner wall of the layer plate (3) is rotatably connected to a threaded rod (4) through a bearing (25). Both sides of the surface of the threaded rod (4) are threadedly sleeved with a travel block (5). The top ends of the two travel blocks (5) are fixedly connected to a support rod (7), and the top ends of the support rod (7) are fixedly connected to a clamping plate (8). A plurality of arc-shaped grooves (10) are provided on the surface of the splint (8); a water distribution pipe (20) is fixedly connected to one side of the inner wall of the furnace cabinet (1) above each layer (3); a plurality of atomizing nozzles (21) are fixedly connected to the surface of the water distribution pipe (20); a fan (16) is fixedly installed on the top of the furnace cabinet (1); air distribution boxes (13) are fixedly connected to both sides of the furnace cabinet (1); and a heating wire (14) is fixedly connected to the inner wall of the air distribution box (13).

2. The heat treatment furnace for nitrogen spring surface treatment according to claim 1, characterized in that: One end of the threaded rod (4) passes through the front surface of the layer plate (3) and is fixedly connected to a rotating member (6), and the threads on both sides of the surface of the threaded rod (4) are in opposite directions.

3. The heat treatment furnace for nitrogen spring surface treatment according to claim 1, characterized in that: A strip opening (9) is provided in the middle of the top of the layer plate (3), and the two support rods (7) are slidably connected to the strip opening (9), both sides of the top of the layer plate (3) are fixedly connected to slide rails (12), and both sides of the bottom of the splint (8) are fixedly connected to sliders (11), and the sliders (11) are slidably connected to the surface of the slide rails (12).

4. The heat treatment furnace for nitrogen spring surface treatment according to claim 1, characterized in that: The input end of the fan (16) is in communication with the interior of the furnace cabinet (1), the output end of the fan (16) is fixedly connected to a T-shaped tube (17), both sides of the top of the T-shaped tube (17) are fixedly connected to a circulation tube (18), and the bottom end of the circulation tube (18) is in fixed communication with the top end of the air distribution box (13).

5. The heat treatment furnace for nitrogen spring surface treatment according to claim 1, characterized in that: A plurality of air outlets (15) are evenly arranged at the connection between the furnace cabinet (1) and the air distribution box (13).

6. The heat treatment furnace for nitrogen spring surface treatment according to claim 1, characterized in that: A water supply pipeline (24) is fixedly connected to the back of the furnace cabinet (1), and a plurality of the water distribution pipes (20) are in communication with the water supply pipeline (24).

7. The heat treatment furnace for nitrogen spring surface treatment according to claim 1, characterized in that: The bottom of the side wall of the furnace cabinet (1) is fixedly connected to a drainage pipe (22), and a valve (23) is fixedly installed at one end of the drainage pipe (22).

8. The heat treatment furnace for nitrogen spring surface treatment according to claim 1, characterized in that: A furnace door (19) is hingedly connected to the front of the furnace cabinet (1).

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