Heating device for heat treatment of piston rod

Abstract

The utility model discloses a piston rod heat treatment heating device which comprises a fixed box body, extension plates and transmission equipment, the extension plates are installed on the two sides of the fixed box body, a support is installed at the top ends of the extension plates, the transmission equipment is installed on the inner wall of the support, and a clamping frame is installed at the top end of the transmission equipment. Telescopic holes are formed in the two sides of the top end of the clamping frame, telescopic rods are arranged in the telescopic holes, a positioning piston rod body is arranged at the top end of the clamping frame, a sliding rail is installed on the inner wall of the fixed box body, and a forward and reverse screw rod is installed in the fixed box body through a bearing; according to the device, the first motor is started to drive the positive and negative screw rod to rotate, so that the positive and negative screw rod drives the fixing frame to move up and down in the sliding rail, the heat preservation curtain moves downwards in the sliding rail, and adjustment can be conveniently conducted through positioning piston rod bodies of different heights.

Description

Technical Field

[0001] The utility model relates to the technical field of piston rod processing, in particular to a piston rod heat treatment heating device. Background Art

[0002] After quenching and tempering, the piston rod obtains good comprehensive mechanical properties and is well prepared for subsequent surface treatment. The purpose of surface quenching is to obtain high surface hardness to support the surface chrome plating layer, thereby improving the wear resistance and corrosion resistance of the piston rod. Stress relief annealing is arranged after grinding and before electroplating to fully eliminate the residual stress inside the piston rod, improve the quality of the plating layer and the product qualification rate, and increase the service life of the piston rod.

[0003] However, the existing piston rod heat treatment heating device has the following problems during use: when heat treating traditional piston rods, facing piston rods of different widths, the heat treatment process structure is single and cannot be adjusted, which makes it inconvenient to get closer to the piston rod, resulting in slow heating speed and thus unable to meet market demand. Utility Model Content

[0004] The purpose of the utility model is to provide a piston rod heat treatment heating device to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a piston rod heat treatment heating device, comprising a fixed box body, an extension plate and a transmission device, extension plates are installed on both sides of the fixed box body, and a bracket is installed on the top of the extension plate, a transmission device is installed on the inner wall of the bracket, and a clamping frame is installed on the top of the transmission device, telescopic holes are opened on both sides of the top of the clamping frame, and a telescopic rod is arranged inside the telescopic hole, a positioning piston rod body is arranged on the top of the clamping frame, a slide rail is installed on the inner wall of the fixed box body, forward and reverse screw rods are installed inside the fixed box body through bearings, and a fixed frame compatible with the slide rail is installed on the outer wall of the forward and reverse screw rods, a thermal insulation curtain is installed on the outer wall of the fixed frame, and a fan is arranged inside the thermal insulation curtain, and an air hole is opened at the bottom end of the thermal insulation curtain.

[0006] The technical solution provides a piston rod heat treatment heating device, wherein a second motor is provided at one end of the bracket, and an output end of the second motor is connected to one end of the bracket.

[0007] The technical solution provides a piston rod heat treatment heating device, wherein the outer wall of the telescopic rod is sleeved with a spring, and one side of the spring is in contact with the outer wall of the clamping frame.

[0008] The technical solution provides a piston rod heat treatment heating device, wherein thermal insulation curtains are installed on both sides of the top of the fixed box.

[0009] The technical solution provides a piston rod heat treatment heating device, wherein a first motor is installed inside the fixed box through a bearing, and an output end of the first motor is connected to one end of a forward and reverse screw rod through a coupling.

[0010] The technical solution provides a piston rod heat treatment heating device, wherein a heating tube is arranged on the side of the thermal insulation curtain close to the fan.

[0011] Compared with the prior art, the utility model provides a piston rod heat treatment heating device, which has the following beneficial effects:

[0012] The utility model starts the second motor to drive the transmission device to rotate, which is convenient for shifting the position of the positioning piston rod body. When it moves into the fixed box, the first motor is started to drive the forward and reverse screws to rotate, so that the forward and reverse screws drive the fixed frame to move up and down in the slide rail, and the thermal insulation curtain moves downward in the slide rail, which is convenient for adjustment through the positioning piston rod bodies at different heights.

[0013] The utility model places the positioning piston rod body on the telescopic rod to make the spring contract, thereby clamping and fixing the position of the positioning piston rod body, so as to improve the stability during further heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0016] Figure 3 It is a schematic diagram of the main structure of the utility model.

[0017] In the figure: 1. Fixed box; 2. Extension plate; 3. Bracket; 4. Transmission equipment; 5. Slide rail; 6. Heating box; 7. Fixed frame; 8. Positive and negative screw rods; 9. First motor; 10. Fan; 11. Heating tube; 12. Air hole; 13. Clamping frame; 14. Telescopic hole; 15. Telescopic rod; 16. Spring; 17. Positioning piston rod body; 18. Second motor; 19. Thermal insulation curtain. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1, as Figure 1-2 As shown, the utility model provides a technical solution: a piston rod heat treatment heating device, comprising a fixed box body 1, an extension plate 2 and a transmission device 4, the extension plates 2 are installed on both sides of the fixed box body 1, and the top of the extension plate 2 is installed with a bracket 3, the inner wall of the bracket 3 is installed with the transmission device 4, and the top of the transmission device 4 is installed with a clamping frame 13, telescopic holes 14 are opened on both sides of the top of the clamping frame 13, and a telescopic rod 15 is arranged inside the telescopic hole 14, a positioning piston rod body 17 is arranged at the top of the clamping frame 13, a second motor 18 is arranged at one end of the bracket 3, and the output end of the second motor 18 is connected to one end of the bracket 3, a spring 16 is sleeved on the outer wall of the telescopic rod 15, and one side of the spring 16 is in contact with the outer wall of the clamping frame 13, by placing the positioning piston rod body 17 on the telescopic rod 15, the spring 16 is tightened, and the position of the positioning piston rod body 17 is clamped and fixed, so as to improve the stability during further heating.

[0020] Embodiment 2, as Figure 1-3 As shown, the utility model provides a technical solution: a piston rod heat treatment heating device, comprising a fixed box body 1 having an inner wall equipped with a slide rail 5, a forward and reverse screw rod 8 installed inside the fixed box body 1 through a bearing, and a fixed frame 7 adapted to the slide rail 5 is installed on the outer wall of the forward and reverse screw rod 8, a heating box body 6 is installed on the outer wall of the fixed frame 7, and a fan 10 is arranged inside the heating box body 6, a wind hole 12 is opened at the bottom end of the heating box body 6, the heating box body 6 is installed on both sides of the top end of the fixed box body 1, and the inner wall of the fixed box body 1 is provided with a fan 10 ... A first motor 9 is installed on the part through a bearing, and the output end of the first motor 9 is connected to one end of the forward and reverse screw rod 8 through a coupling. A heating tube 11 is arranged on the side of the heating box 6 close to the fan 10. By starting the first motor 9 to drive the forward and reverse screw rod 8 to rotate, the forward and reverse screw rod 8 drives the fixed frame 7 to move up and down in the slide rail 5, and the heating box 6 moves downward in the slide rail 5, which is convenient for adjustment through the positioning piston rod body 17 at different heights, and the positioning piston rod body 17 at different heights is heated.

[0021] Working principle: first, turn on the external power supply, and place the positioning piston rod body 17 above the clamping frame 13, so that the telescopic rod 15 passes through the telescopic hole 14, tightens the position of the spring 16, and the telescopic rod 15 clamps the positioning piston rod body 17. At this time, start the second motor 18 to drive the transmission device 4 to rotate, so as to facilitate the displacement of the position of the positioning piston rod body 17. When it moves into the fixed box 1, start the first motor 9 to drive the forward and reverse screw rods 8 to rotate, so that the forward and reverse screw rods 8 drive the fixed frame 7 to move up and down in the slide rail 5, and the heating box 6 moves downward in the slide rail 5, so as to facilitate the adjustment of the positioning piston rod body 17 at different heights, and then heat the positioning piston rod body 17 at different heights, and then start the heating tube 11 to heat the air in the heating box 6. Then, start the fan 10 to let the wind flow out to the air hole 12 through the heating tube 11, so as to facilitate the heating of the positioning piston rod body 17.

[0022] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A piston rod heat treatment heating device, comprising a fixed box (1), an extension plate (2) and a transmission device (4), characterized in that: Extension plates (2) are installed on both sides of the fixed box (1), and a bracket (3) is installed on the top of the extension plate (2); a transmission device (4) is installed on the inner wall of the bracket (3), and a clamping frame (13) is installed on the top of the transmission device (4); telescopic holes (14) are opened on both sides of the top of the clamping frame (13), and a telescopic rod (15) is arranged inside the telescopic hole (14); a positioning piston rod body (17) is arranged at the top of the clamping frame (13); a slide rail (5) is installed on the inner wall of the fixed box (1); a forward and reverse screw rod (8) is installed inside the fixed box (1) through a bearing, and a fixing frame (7) adapted to the slide rail (5) is installed on the outer wall of the forward and reverse screw rod (8); a heating box (6) is installed on the outer wall of the fixing frame (7), and a fan (10) is arranged inside the heating box (6); and a wind hole (12) is opened at the bottom of the heating box (6).

2. A piston rod heat treatment heating device according to claim 1, characterized in that: A second motor (18) is provided at one end of the bracket (3), and an output end of the second motor (18) is connected to one end of the bracket (3).

3. A piston rod heat treatment heating device according to claim 1, characterized in that: The outer wall of the telescopic rod (15) is sleeved with a spring (16), and one side of the spring (16) is in contact with the outer wall of the clamping frame (13).

4. The piston rod heat treatment heating device according to claim 1, characterized in that: Thermal insulation curtains (19) are installed on both sides of the top end of the fixed box (1).

5. The piston rod heat treatment heating device according to claim 1, characterized in that: A first motor (9) is installed inside the fixed housing (1) via a bearing, and an output end of the first motor (9) is connected to one end of a forward and reverse screw rod (8) via a coupling.

6. The piston rod heat treatment heating device according to claim 1, characterized in that: A heating pipe (11) is provided on a side of the heating box (6) close to the fan (10).

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