Heat treatment device for precision gear machining

Abstract

The utility model provides a heat treatment device for precision gear machining, and belongs to the field of gear machining. The rotating assembly comprises a motor and a mounting frame, the motor is fixedly arranged at the bottom of the heating box, the mounting frame comprises a shaft rod and a plurality of mounting discs, the shaft rod is connected with the output end of the motor, a plurality of large gears are fixedly arranged on the shaft rod, and the shaft rod penetrates through the mounting discs and is rotationally connected with the mounting discs; a plurality of placing tables are arranged on the mounting disc, round rods are fixedly arranged at the bottoms of the placing tables, the round rods penetrate through the mounting disc to be rotationally connected, and small gears are fixedly arranged on the round rods. The rotating assembly is arranged, the gear is driven to rotate during heat treatment, uniform heating is ensured, and the product quality is guaranteed. And a rotating column and a rectangular column are further arranged, so that the mounting rack of the to-be-treated gear and the treated gear can be quickly replaced, the waiting time is effectively utilized, and the overall working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear processing technical field especially relates to a heat treatment device for precision gear processing. BACKGROUND

[0002] Gear heat treatment refers to the process of changing the organization structure and performance of gear through heating and cooling process to improve its hardness, wear resistance, strength and corrosion resistance, etc.

[0003] But the existing gear heat treatment device in the execution heat treatment process, mostly only simply stack the gear in the heating disc and place heating treatment. This traditional heating mode is difficult to ensure that the gear is heated evenly, and the partial area of the gear may be overheated, while other areas may not reach the ideal heating temperature, which may lead to uneven stress distribution inside the gear material, increase the risk of deformation and cracking, and further affect the hardness, wear resistance and service life of the gear and other key performance indicators, thereby reducing the overall efficiency and product reliability. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides a heat treatment device for precision gear processing.

[0005] The embodiment of the utility model provides a heat treatment device for precision gear processing, which comprises:

[0006] A heating box;

[0007] A rotating assembly, the rotating assembly comprises a motor and a mounting frame, the motor is fixedly arranged at the bottom of the heating box, the mounting frame comprises a shaft rod and a plurality of mounting discs, the shaft rod is connected with the output end of the motor, a plurality of large gears are fixedly arranged on the shaft rod, the shaft rod penetrates through the plurality of mounting discs and is rotationally connected, a plurality of placing tables are arranged on the mounting disc, a circular rod is fixedly arranged at the bottom of the placing table and rotationally connected with the mounting disc, and a small gear is fixedly arranged on the circular rod.

[0008] Further, the output end of the motor is fixedly provided with a rotating column, the rotating column penetrates through the bottom of the heating box and is rotationally connected, the rotating column is provided with a rectangular groove, and the bottom of the shaft rod is fixedly provided with a rectangular column.

[0009] Further, the bottom of the mounting disc is fixedly provided with a positioning column, and a plurality of positioning plates are fixedly arranged on the inner wall of the heating box.

[0010] Further, the pinions are uniformly distributed in a circle, and the pinions are connected with the large gears in meshing connection.

[0011] Further, a hook is fixedly arranged at the top of the shaft rod.

[0012] Further, a box door is arranged on one side of the heating box, and anti-skid supporting legs are fixedly arranged at the four corners of the bottom of the heating box.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The rotation assembly is arranged, the motor can drive multiple large gears to rotate through the shaft rod, multiple large gears can drive multiple placing tables to rotate through the connected pinions, and then drive multiple gears to rotate, so that the gears are uniformly heated, and the quality of products is avoided.

[0015] 2. The rotation column and the rectangular column are arranged, in the process of heat treatment, the gears to be heat treated can be placed on the standby mounting frame, and the mounting frame is replaced after heat treatment, so that the waiting time is effectively utilized, and the overall work efficiency is improved.

[0016] In summary, the utility model sets up rotation assembly, drives gear rotation in heat treatment, ensures uniform heating, and guarantees product quality. The rotation column and the rectangular column are arranged, the mounting frame of the gears to be treated and the mounting frame of the processed gears can be quickly replaced, the waiting time is effectively utilized, and the overall work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a three-dimensional schematic view of the heat treatment device for precision gear machining in the embodiment of the utility model.

[0018] Fig. 2 It is a schematic view of the top of the mounting disc in the heat treatment device for precision gear machining in the embodiment of the utility model.

[0019] Fig. 3 It is a schematic view of the bottom of the mounting disc in the heat treatment device for precision gear machining in the embodiment of the utility model.

[0020] In the above drawings, 1 is a heating box, 2 is a motor, 3 is a rotation column, 4 is a rectangular groove, 5 is a shaft rod, 6 is a rectangular column, 7 is a mounting disc, 8 is a placing table, 9 is a round rod, 10 is a pinion, 11 is a large gear, 12 is a positioning plate, 13 is a positioning column, 14 is a box door, 15 is an anti-skid supporting leg, and 16 is a hook. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be further described below in combination with the drawings and embodiments.

[0022] AsFigs. 1-3 The utility model discloses a heat treatment device for precision gear machining, including:

[0023] The heating box 1 is provided with a box door 14 on one side, and anti-skid legs 15 are fixedly arranged at the four corners of the bottom of the heating box 1, which are used for supporting the heating box 1.

[0024] The rotating assembly includes a motor 2 and a mounting rack. The motor 2 is fixedly arranged at the bottom of the heating box 1. The mounting rack includes a shaft 5 and a plurality of mounting discs 7. A lifting hook 16 is fixedly arranged at the top of the shaft 5. The lifting hook 16 can facilitate lifting the plurality of mounting discs 7, so as to take out the several heated gears. The shaft 5 is connected with the output end of the motor 2. The output end of the motor 2 is fixedly provided with a rotating column 3. The rotating column 3 is rotatably connected with the bottom of the heating box 1. A rectangular groove 4 is arranged on the rotating column 3. A rectangular column 6 is fixedly arranged at the bottom of the shaft 5. The rectangular column 6 is arranged in cooperation with the rectangular groove 4, so that the rectangular column 6 can be inserted into the rectangular groove 4 and abut against the inner wall of the rectangular groove 4. In this way, the motor 2 can drive the shaft 5 to rotate through the rotating column 3.

[0025] The shaft 5 is rotatably connected with the plurality of mounting discs 7. A positioning column 13 is fixedly arranged at the bottom of the mounting disc 7, which is used for limiting the mounting disc 7. A plurality of positioning plates 12 are fixedly arranged on the inner wall of the heating box 1, which are used for limiting the positioning column 13. The plurality of positioning plates 12 and the plurality of positioning columns 13 are arranged in one-to-one correspondence, so that the positioning plate 12 can abut against the positioning column 13, and in turn abut against the mounting disc 7, so as to make it stationary.

[0026] A plurality of placing tables 8 are arranged on the mounting disc 7. The shape of the placing table 8 is as shown in the figure. Fig. 2 Since the plurality of circular plates are stacked and fixed together, and are coaxially arranged, and the diameters decrease from top to bottom, different specifications of gears can be limited, so as to adapt to different gears and increase the adaptability. A circular rod 9 is fixedly arranged at the bottom of the placing table 8. The circular rod 9 is rotatably connected with the mounting disc 7. A pinion 10 is fixedly arranged on the circular rod 9. The pinions 10 are uniformly distributed in a circle. A plurality of gear wheels 11 are fixedly arranged on the shaft 5. The plurality of gear wheels 11 are arranged below the plurality of mounting discs 7. The plurality of gear wheels 11 and the plurality of mounting discs 7 are arranged in a staggered manner. The pinion 10 is meshingly connected with the connected gear wheel 11, so that when the gear wheel 11 rotates, the plurality of pinions 10 connected therewith can be driven to rotate simultaneously.

[0027] The detailed working process of the utility model is as follows:

[0028] 1. In use, the gears to be heat treated are clamped on the plurality of placing tables 8 in turn, then the rectangular column 6 at the bottom of the shaft 5 is inserted into the rectangular slot 4, then the box door 14 can be closed, and the heating box 1 is started to heat treat the gears;

[0029] 2. During the heat treatment, the motor 2 drives the shaft 5 to rotate through the rotating column 3 and the rectangular column 6, the shaft 5 drives the plurality of large gears 11 to rotate, the plurality of large gears 11 drive the plurality of placing tables 8 to rotate through the connected pinions 10, and then drive the plurality of gears to rotate, so as to ensure that the gears are evenly heated;

[0030] 3. In the heat treatment process, in order to improve the work efficiency, the gears to be heat treated can be placed on the standby mounting frame; then, after the current batch of gears is completed heat treatment, the mounting frame containing the heat treated gears is removed; then, the mounting frame containing the gears to be treated is installed into the heating box 1. The waiting time is effectively utilized, so as to improve the overall work efficiency.

[0031] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A heat treatment apparatus for precision gear machining, characterized in that, Include: Heating box (1); Rotary assembly, the rotary assembly includes motor (2) and mounting frame, the motor (2) is fixedly arranged at the bottom of heating box (1), the mounting frame includes shaft (5) and multiple mounting disc (7), the shaft (5) is connected with the output end of motor (2), multiple large gears (11) are fixedly arranged on the shaft (5), the shaft (5) penetrates multiple mounting disc (7) and is rotationally connected, multiple placing tables (8) are arranged on the mounting disc (7), the bottom of the placing table (8) is fixedly provided with a round bar (9), the round bar (9) penetrates the mounting disc (7) and is rotationally connected, the small gear (10) is fixedly arranged on the round bar (9).

2. The heat treatment apparatus for precision gear machining according to claim 1, wherein Wherein: The output end of the motor (2) is fixedly provided with a rotating column (3), the rotating column (3) penetrates the bottom of the heating box (1) and is rotationally connected, the rotating column (3) is provided with a rectangular groove (4), the bottom of the shaft (5) is fixedly provided with a rectangular column (6).

3. The heat treatment apparatus for precision gear machining according to claim 1, wherein Wherein: The bottom of the mounting disc (7) is fixedly provided with a positioning column (13), and multiple positioning plates (12) are fixedly arranged on the inner wall of the heating box (1).

4. The heat treatment apparatus for precision gear machining according to claim 1, wherein Wherein: The small gear (10) is uniformly distributed in a circle, and the small gear (10) is meshed and connected with the connected large gear (11).

5. The heat treatment apparatus for precision gear machining according to claim 1, wherein Wherein: The top of the shaft (5) is fixedly provided with a lifting hook (16).

6. The heat treatment apparatus for precision gear machining according to claim 1, wherein Wherein: One side of the heating box (1) is provided with a box door (14), and anti-skid legs (15) are fixedly arranged at the four corners of the bottom of the heating box (1).

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