Heat treatment device for automobile steering gear

Abstract

The utility model discloses an automobile steering gear heat treatment device which comprises a machine frame, a main shaft with the axis horizontally extending front and back is connected to the machine frame in a rotating mode, a follow-up rotating disc is arranged at one end of the main shaft, a rotating mechanism for controlling rotation is arranged at the other end of the main shaft, the rotating mechanism is arranged on the machine frame, and three sets of gear clamps are distributed on the periphery of the rotating disc. The included angles between every two adjacent gear clamps are equal. An induction heating station, a cooling station and a feeding and discharging station are distributed on the periphery of the rotary disc, wherein the adjacent interval included angles between the induction heating station and the cooling station are equal. The cooling station is arranged under the rotary disc. The induction heating station comprises a fixing frame, an induction heating coil is arranged on the fixing frame, and the induction heating station further comprises a linear reciprocating motion mechanism controlling the fixing frame to move close to or away from the rotating disc. And the cooling station comprises a cooling tank. The heat treatment device integrates multiple procedures, and is short in processing time consumption, high in efficiency, complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of metal heat treatment, and more specifically, to a heat treatment device for automobile steering gears. Background Art

[0002] In order to enhance the strength of the gear teeth on the steering gear of an automobile, the edge is heat treated during the processing. The heat treatment operation includes loading and unloading of gear teeth, heating of gear teeth, and cooling of gear teeth. Traditional heat treatment devices for such gears need to be completed step by step between processes, and the processing is time-consuming, inefficient, and the overall effect is not good. Based on this, the utility model proposes a heat treatment device for automobile steering gears. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and to provide a heat treatment device for an automobile steering gear, which integrates multiple processes into one, has short processing time and high efficiency.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model relates to a heat treatment device for automobile steering gears, comprising a frame, a main shaft with an axis extending horizontally forward and backward is rotatably connected to the frame, a turntable for follow-up is provided at one end of the main shaft, and a rotating mechanism for controlling the rotation is provided at the other end, the rotating mechanism is arranged on the frame, three groups of gear fixtures are arranged on the turntable, and the interval angles between adjacent two gear fixtures are equal; the outer periphery of the turntable is arranged with induction heating stations, cooling stations and loading and unloading stations with equal interval angles between adjacent stations, and the cooling station is arranged directly below the turntable;

[0005] The induction heating station includes a fixed frame, on which an induction heating coil is arranged, and the induction heating station also includes a linear reciprocating motion mechanism for controlling the fixed frame to move toward or away from the turntable;

[0006] The cooling station includes a cooling tank.

[0007] The utility model is further configured as follows: the gear clamp includes a seat body, an elastic clip is arranged on the circumference of the seat body, a conical threaded hole in the shape of a truncated cone is provided in the center of the elastic clip, the conical threaded hole has a large head end and a small head end, the small head end is close to the seat body, the inner thread of the conical threaded hole is connected with a screw plug matching therewith, and a rotating portion is provided on the screw plug.

[0008] The utility model is further configured as follows: the rotating part is in a non-rotating column shape.

[0009] The utility model is further configured as follows: the rotating mechanism includes a worm wheel, a worm and a motor, the worm is rotatably connected to the frame, the worm wheel is transmission-connected to the main shaft, the worm wheel is meshed with the worm, one end of the worm is transmission-connected to the output shaft of the motor, and the motor is arranged on the frame.

[0010] The utility model is further configured as follows: the linear reciprocating motion mechanism comprises a push rod cylinder.

[0011] In summary, the utility model has the following beneficial effects: the automobile steering gear heat treatment device involved in the utility model can realize switching between workstations under the rotation of the turntable, and implement corresponding process actions at different workstations to complete the heat treatment operation of the automobile steering gear in the shortest time, integrate multiple processes into one, shorten the processing time, increase the efficiency, improve the overall functions, and enhance the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a partial structural schematic diagram of the utility model;

[0014] Figure 3 It is a partial structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0016] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0017] Example 1

[0018] See also Figures 1 to 3As shown, a heat treatment device for automobile steering gears involved in this embodiment includes a frame (not shown), on which a main shaft 1 with an axis extending horizontally forward and backward is rotatably connected, one end of the main shaft 1 is provided with a turntable 2 for follow-up, and the other end is provided with a rotating mechanism for controlling the rotation, the rotating mechanism is arranged on the frame, three groups of gear fixtures 3 are arranged on the turntable 2, and the interval angles between two adjacent gear fixtures 3 are equal; the outer periphery of the turntable 2 is provided with induction heating stations 4, cooling stations 5 and loading and unloading stations 6 with adjacent interval angles also equal, and the cooling station 5 is arranged directly below the turntable 2;

[0019] The induction heating station 4 includes a fixed frame 7, on which an induction heating coil 8 is disposed, and the induction heating station 4 also includes a linear reciprocating motion mechanism 9 for controlling the fixed frame 7 to move toward or away from the turntable 2; the linear reciprocating motion mechanism 9 includes a push rod cylinder;

[0020] The cooling station 5 comprises a cooling tank 10 .

[0021] Furthermore, the gear clamp 3 includes a seat body 31, and an elastic clip 32 is arranged on the circumference of the seat body 31. The center of the elastic clip 32 has a conical threaded hole 33 in the shape of a truncated cone. The conical threaded hole 33 has a large head end and a small head end, and the small head end is close to the seat body 31. The conical threaded hole 33 is internally threadedly connected to a matching screw plug 34, and the screw plug 34 is provided with a rotating portion 35; the rotating portion 35 is in the shape of a non-rotating column.

[0022] Furthermore, the rotating mechanism includes a worm wheel 11, a worm 12 and a motor 13, wherein the worm 12 is rotatably connected to the frame, the worm wheel 11 is transmission-connected to the main shaft 1, the worm wheel 11 is meshed with the worm 12, one end of the worm 12 is transmission-connected to the output shaft of the motor 13, and the motor 13 is arranged on the frame.

[0023] In this embodiment, when a gear fixture 3 is located at the loading and unloading station 6, a steering gear of an automobile to be heat-treated is manually loaded, and the turntable 2 rotates 120°, so that the loaded gear is switched to the induction heating station 4, and the linear reciprocating motion mechanism 9 on the station controls the fixed frame 7 and the induction heating coil 8 thereon to move in the direction close to the turntable 2, until the induction heating coil 8 is sleeved on the gear, and the induction heating coil 8 is powered on to generate heat, giving the gear heat treatment, and then the fixed frame 7 and the induction heating coil 8 thereon are controlled by the linear reciprocating motion mechanism 9 to reset; then the turntable 2 rotates 120°, so that the gear that has completed the heat treatment is switched to the cooling station 5, and the gear in the high temperature state is immersed in the cooling tank 10 containing the coolant for cooling, and finally the turntable 2 rotates 120°, and the unloading is completed from the loading and unloading station 6. During this period, the loading and unloading station 6 continuously loads the steering gear of the automobile to be heat-treated and unloads the steering gear of the automobile that has completed the heat treatment.

[0024] The working principle of the gear clamp 3 is as follows: first, the screw plug 34 is rotated outward, the elastic clip 32 is retracted inward, and then the gear is put on the elastic clip 32 arranged around it. Finally, the screw plug 34 is rotated inward, the elastic clip 32 is expanded outward, and a tight connection is formed with the gear to complete the clamping.

[0025] The working principle of the rotating mechanism is as follows: the motor 13 operates to drive the worm 12 to rotate, and through the worm gear transmission, the main shaft 1 rotates relative to the frame, and drives the turntable 2 connected to the main shaft 1 to rotate.

[0026] The utility model relates to a heat treatment device for automobile steering gears. The heat treatment device realizes switching between workstations under the rotation of a turntable, and corresponding process actions are performed at different workstations to complete the heat treatment operation of the automobile steering gears in the shortest time. It integrates multiple processes into one, has short processing time, high efficiency, complete overall functions, and strong practicality.

[0027] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0028] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A heat treatment device for automobile steering gears, comprising a frame, a main shaft with an axis extending horizontally forward and backward is rotatably connected to the frame, a turntable for following is provided at one end of the main shaft, and a rotating mechanism for controlling the rotation is provided at the other end, the rotating mechanism is arranged on the frame, and is characterized in that: Three sets of gear fixtures are arranged on the periphery of the turntable, and the interval angles between two adjacent gear fixtures are equal; the outer periphery of the turntable is arranged with induction heating stations, cooling stations and loading and unloading stations with equal interval angles between adjacent stations, and the cooling station is located directly below the turntable; The induction heating station includes a fixed frame, on which an induction heating coil is arranged, and the induction heating station also includes a linear reciprocating motion mechanism for controlling the fixed frame to move toward or away from the turntable; The cooling station includes a cooling tank.

2. The automobile steering gear heat treatment device according to claim 1, characterized in that: The gear clamp includes a seat body, an elastic clip is arranged on the circumference of the seat body, a conical threaded hole in the shape of a truncated cone is provided in the center of the elastic clip, the conical threaded hole has a large head end and a small head end, the small head end is close to the seat body, the inner thread of the conical threaded hole is connected with a matching screw plug, and the screw plug is provided with a rotating part.

3. The automobile steering gear heat treatment device according to claim 2, characterized in that: The rotating part is in a non-rotating column shape.

4. The automotive steering gear heat treatment device according to any one of claims 1 to 3, characterized in that: The rotating mechanism includes a worm wheel, a worm and a motor. The worm is rotatably connected to the frame, the worm wheel is transmission-connected to the main shaft, the worm wheel is meshed with the worm, one end of the worm is transmission-connected to the output shaft of the motor, and the motor is arranged on the frame.

5. The automobile steering gear heat treatment device according to claim 1, characterized in that: The linear reciprocating motion mechanism comprises a push rod cylinder.

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