CN209941030U

CN209941030U - Fixing device for high-frequency quenching heat treatment

Info

Publication number: CN209941030U
Application number: CN201920414671.0U
Authority: CN
Inventors: 王文明; 曹定选; 吴凤飞
Original assignee: Guangdong Brightas Laser Science & Technology Co Ltd
Current assignee: Guangdong Brightas Laser Science & Technology Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-01-14
Anticipated expiration: 2029-03-28

Abstract

The utility model provides a fixing device for high frequency quenching heat treatment, it includes: the fixing part comprises a base, a guide pillar and an upper fixing plate; the guide post is fixed on the base, and the upper fixing plate is fixed at the upper end of the guide post; the upper fixing plate is provided with a driving device, and the driving device comprises a motor, 2 rotating wheels and a conveying belt; the adjusting part comprises an adjusting plate and a sliding sleeve fixedly connected with the adjusting plate, and a bearing is sleeved in the adjusting plate; the apical part comprises an upper apical tip and a lower apical tip; the upper fixing plate is provided with a sleeve, the sleeve penetrates through the upper fixing plate, an output shaft of the rotating wheel is sleeved in the sleeve, and the upper tip is fixedly connected with the output shaft of the rotating wheel; the lower center is sleeved in the bearing; the upper tip and the lower tip are oppositely arranged. In the utility model, the upper center and the lower center are used for clamping workpieces, and the workpieces are driven to rotate through the rotation of the upper centers, so that the high-frequency quenching is convenient, and meanwhile, because of the rotation in the quenching process, the workpieces after the high-frequency quenching treatment are not easy to have soft spots.

Description

Fixing device for high-frequency quenching heat treatment

Technical Field

The utility model relates to the technical field of heat treatment, in particular to a fixing device for high-frequency quenching heat treatment.

Background

The induction hardening is a metal heat treatment method in which a workpiece surface is rapidly heated by generating a certain induced current, and then rapidly hardened, and the apparatus is an induction heating apparatus (high-frequency hardening machine), that is, an apparatus for induction heating a workpiece to perform surface hardening. The high-frequency quenching hardness can reach HRC58, and the depth can reach 2.5 mm. Compared with other treatment technologies, the high-frequency quenching method comprises the following steps: high hardness, difficult oxidation of workpieces, small deformation, good quenching quality and high production efficiency. In the prior heat treatment process, the bracket is slow to fix, assemble and disassemble, the efficiency is low, and the joint of two ends of the high-frequency coil has gaps, so that the surface of a workpiece quenched by high frequency has a soft spot phenomenon, and the quality of the product is influenced. On the other hand, the efficiency is too low to meet the requirements of batch processing and production.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims at providing a fixing device for high-frequency quenching heat treatment, which is convenient to disassemble and assemble, is not easy to generate soft spots, is convenient for batch production and has good quality of produced products.

In order to achieve the above object, the present invention provides a fixing device for high frequency quenching heat treatment, comprising:

the fixing part comprises a base, a guide pillar and an upper fixing plate; the guide post is fixed on the base, and the upper fixing plate is fixed at the upper end of the guide post; the upper fixing plate is provided with a driving device, and the driving device comprises a motor, 2 rotating wheels and a conveying belt;

the adjusting part comprises an adjusting plate and a sliding sleeve fixedly connected with the adjusting plate, a bearing is sleeved in the adjusting plate, the sliding sleeve is sleeved on the guide pillar, and the sliding sleeve and the guide pillar are connected in a sliding manner;

the apical part comprises an upper apical tip and a lower apical tip; the upper fixing plate is provided with a sleeve, the sleeve penetrates through the upper fixing plate, an output shaft of the rotating wheel is sleeved in the sleeve, and the upper tip is fixedly connected with the output shaft of the rotating wheel; the lower center is sleeved in the bearing; the upper center and the lower center are oppositely arranged and comprise tip ends; the top ends of the upper center and the lower center are arranged oppositely.

In the utility model, the upper center and the lower center are used for clamping workpieces, and the workpieces are driven to rotate through the rotation of the upper centers, so that the high-frequency quenching is convenient, and meanwhile, because of the rotation in the quenching process, the workpieces after the high-frequency quenching treatment are not easy to have soft spots.

The driving device in the utility model is positioned above the upper fixed plate, and the upper top is a driving device and the lower top is a driven device in the process of driving the rotation of the workpiece, so that the state of the workpiece in high-frequency quenching can be controlled and observed conveniently.

According to another embodiment of the present invention, the upper apex is provided with a rocking handle, and the rocking handle control sleeve is moved in the vertical direction and fixed. The shaking handle and the sleeve are in gear transmission, and the shaking handle controls the sleeve to move up and down. The control is convenient, the disassembly and the installation of the workpiece are convenient, and the efficiency is further improved.

According to another embodiment of the present invention, one of the 2 rotating wheels is connected to an output shaft of the motor, and the other rotating wheel is driven to rotate by the conveyor belt; the output shaft of the other rotating wheel is sleeved in the sleeve. Further, the conveyor belt is a belt.

According to the utility model discloses a another embodiment, telescopic bottom is equipped with fixing device, and fixing device is used for the output shaft and the sleeve of fixed runner.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model provides a fixing device can control the work piece rotation, it compresses tightly to adopt top and top upper and lower double-layered tooth down, the installation is convenient with the dismantlement, the work piece stability can be good, the motor passes through belt pulley transmission power and rotates on the top, it is rotatory to drive the work piece, the problem that work piece and induction coil are all immovable has been solved, avoided because induction coil has soft point, this point heating can not quench easily at the work piece surface and hardness can not cause badly, the work piece surface is heated evenly, the work piece surface is difficult to appear the crackle when the water spray quenches simultaneously. The induction coil is fixed to the end face of the workpiece, the water spraying induction time is automatically controlled, the efficiency is improved, and the quality is guaranteed.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a fixture for induction hardening heat treatment of example 1;

fig. 2 is a schematic diagram of a position where a soft spot is easily generated in an induction coil in the prior art.

Detailed Description

Example 1

The present embodiment provides a fixing device for high-frequency quenching heat treatment, as shown in fig. 1, which includes: fixed part, regulating part and apical part.

The fixing part is used for fixing the whole device structure and comprises a base 11, a guide post 12 and an upper fixing plate 13; the guide post 12 is fixed on the base 11, and the upper fixing plate 13 is fixed at the upper end of the guide post 12; the upper fixing plate 13 is provided with a driving device, and the driving device comprises a motor 141, 2 rotating wheels 142 and a conveying belt 143;

the adjusting part comprises an adjusting plate 21 and a sliding sleeve 22 fixedly connected with the adjusting plate 21, a bearing 23 is sleeved in the adjusting plate 21, the sliding sleeve 22 is sleeved on the guide post 12, and the sliding sleeve 22 is connected with the guide post 12 in a sliding manner;

the apical part comprises an upper apical point 32 and a lower apical point 31; the sleeve 145 is arranged on the upper fixing plate 13, the sleeve 145 penetrates through the upper fixing plate 13, the output shaft of the rotating wheel 142 is sleeved in the sleeve 145, and the upper tip 32 is fixedly connected with the output shaft of the rotating wheel 142; the lower centre 31 is sleeved in the bearing 23; the upper tip 32 and the lower tip 31 are oppositely arranged, and both the upper tip 32 and the lower tip 31 comprise tip ends; the pointed ends of the upper tip 32 and the lower tip 31 are oppositely arranged.

The upper center 32 is provided with a rocking handle 144, and the rocking handle 144 controls the sleeve 145 to move in the vertical direction and is fixed. The shaking handle 144 and the sleeve 145 are in gear transmission, and the up-and-down movement of the sleeve 145 is controlled by the shaking handle 144. The control is convenient, the disassembly and the installation of the workpiece 4 are convenient, and the efficiency is further improved.

One of the 2 rotating wheels 142 is connected with an output shaft of the motor 141, and the other rotating wheel 142 is driven to rotate through the conveyor belt; the output shaft of the other runner 142 is sleeved in the sleeve 145. Further, the conveyor belt is a belt 143.

The bottom of the sleeve 145 is provided with a fixing device for fixing the output shaft of the rotating wheel 142 and the sleeve 145.

In this embodiment, the upper center 32 and the lower center 31 are used for clamping the workpiece 4, and the workpiece 4 is driven to rotate by the rotation of the centers, so that the high-frequency quenching is facilitated, and the workpiece 4 after the high-frequency quenching treatment is not prone to soft spots due to the rotation in the quenching process.

The driving device in the embodiment is positioned above the upper fixing plate 13, and in the process of driving the workpiece 4 to rotate, the upper center 32 is in driving, and the lower center 31 is in driven driving, so that the state of the workpiece 4 in high-frequency quenching can be conveniently controlled and observed.

In the heat treatment process in the prior art, referring to fig. 2, because a gap a exists at the joint of two ends of the induction coil, in the existing quenching treatment process, the workpiece 4 is fixedly clamped, soft points are easy to appear at the gap a of the processed coil and are difficult to process in place, the fixing device provided by the embodiment can control the rotation of the workpiece 4, the upper and lower clamping teeth of the upper tip 32 and the lower tip 31 are adopted to be pressed, the installation and the disassembly are convenient, the stability of the workpiece 4 is good, the motor 141 drives the upper tip 32 to rotate through belt 143 belt wheel transmission power, the workpiece 4 is driven to rotate, the problem that the workpiece 4 and the induction coil are fixed is solved, the problem that the induction coil has soft points is avoided, the phenomenon that the hardness of the workpiece 4 cannot be quenched easily on the surface due to the fact that the induction coil is heated at the soft points is avoided, the workpiece 4 is uniformly heated, and cracks are not easily formed on the surface of the workpiece 4 during water spraying and. The induction coil is fixed to the end face of the workpiece 4, the water spraying induction time is automatically controlled, the efficiency is improved, and the quality is guaranteed.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

Claims

1. A fixture for induction hardening heat treatment, characterized by comprising:

the adjusting part comprises an adjusting plate and a sliding sleeve fixedly connected with the adjusting plate, a bearing is sleeved in the adjusting plate, the sliding sleeve is sleeved on the guide pillar, and the sliding sleeve is connected with the guide pillar in a sliding manner;

the ejector tip part comprises an upper ejector tip and a lower ejector tip; a sleeve is arranged on the upper fixing plate, the sleeve penetrates through the upper fixing plate, an output shaft of the rotating wheel is sleeved in the sleeve, and the upper tip is fixedly connected with the output shaft of the rotating wheel; the lower center is sleeved in the bearing; the upper tip and the lower tip are oppositely arranged, and both the upper tip and the lower tip comprise tip ends; the top centre and the tip end of the lower centre are arranged oppositely.

2. The fixture for high-frequency quenching heat treatment according to claim 1, wherein a rocking handle is provided on said upper center, said rocking handle controlling said sleeve to move in a vertical direction and being fixed.

3. The fixture for high-frequency quenching heat treatment as claimed in claim 1, wherein one of said 2 rotating wheels is connected to an output shaft of said motor, and another rotating wheel is rotated by said conveyor belt; the output shaft of the other rotating wheel is sleeved in the sleeve.

4. The fixture for high-frequency quenching heat treatment as claimed in claim 1, wherein the bottom of said sleeve is provided with a fixture for fixing the output shaft of said rotating wheel and said sleeve.