CN111394553A

CN111394553A - Height-adjustable heat treatment device

Info

Publication number: CN111394553A
Application number: CN202010047877.1A
Authority: CN
Inventors: 龙华林; 杨勇; 徐建勇; 潘加军; 李德进
Original assignee: Zhejiang Huaju Auto Parts Co ltd
Current assignee: Zhejiang Huaju Auto Parts Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-07-10

Abstract

The invention discloses a height-adjustable heat treatment device, which comprises heat treatment equipment and a motor fixedly connected with the heat treatment equipment, wherein a pneumatic device is arranged beside the heat treatment equipment, a shaft connected with the motor through a transmission belt is arranged in the pneumatic device, one end of the shaft is fixedly connected with a three-jaw chuck for clamping a workpiece, an inductor is arranged in an inner cavity of the workpiece, and the inner cavity of the workpiece faces downwards; the three-jaw chuck comprises a chuck plate and an inner plate, the inner plate is connected with the chuck plate in a sliding mode through a gear lifting structure, and a bolt and a slot which are used for clamping the gear lifting structure are arranged on the chuck plate. The invention has the following beneficial effects: (1) the water accumulation in the inner cavity is prevented, and the cooling effect is good; (2) the chuck can adjust the height, so that the heat treatment can be conveniently carried out on the inner surfaces of all parts of the tapping workpiece; (3) the structure intensity is big, long service life.

Description

Height-adjustable heat treatment device

Technical Field

The invention relates to the field of heat treatment, in particular to a height-adjustable heat treatment device.

Background

Heat treatment refers to a hot metal working process in which a material is heated, held and cooled in the solid state to achieve a desired texture and properties. In the process of moving from the times of stoneware to the times of cupreous and ironware, the effect of heat treatment is gradually recognized. In the existing heat treatment process, the quenching and clamping of an inner cavity is manual armor, and a cavity is upward, so that the following defects exist: clamping efficiency is low, labor intensity is high, cooling liquid is retained in an inner cavity, circulation is poor, and tissue underheating is easily caused.

For example, a "quenching apparatus" disclosed in chinese patent literature, which is publication No. CN207313655U, includes a quenching furnace, a quenching bath, and a quenching jig; the quenching clamps are arranged in the quenching tank, each group of quenching clamps consists of two clamp bodies, and at least one clamp body is connected with a displacement driving mechanism; the top of the quenching tank is provided with a quenching tank cover; the side wall of the quenching tank is provided with a quenching medium surge inlet, the bottom of the quenching tank is provided with a quenching medium outlet, and the position of the quenching medium surge inlet is higher than that of the quenching clamp.

The inner chamber is not down when the work piece of above patent is pressed from both sides tightly, and the coolant liquid can be detained the inner chamber, and the circulation is bad, causes the tissue to be not hot enough easily, the unable height-adjusting of quenching anchor clamps, the going on of inconvenient quenching.

Disclosure of Invention

The invention provides a height-adjustable heat treatment device, which aims to solve the problems that when a workpiece of quenching equipment in the prior art is clamped, an inner cavity is not downward, cooling liquid can be retained in the inner cavity, circulation is poor, tissue is easy to be under-heated, the height of a quenching clamp cannot be adjusted, and quenching is inconvenient to carry out.

In order to achieve the purpose, the invention adopts the following technical scheme:

a height-adjustable heat treatment device comprises heat treatment equipment and a motor fixedly connected to the heat treatment equipment, wherein a pneumatic device is arranged beside the heat treatment equipment, a shaft connected with the motor through a transmission belt is arranged in the pneumatic device, a three-jaw chuck used for clamping a workpiece is fixedly connected to one end of the shaft, an inductor is arranged in an inner cavity of the workpiece, and the inner cavity of the workpiece faces downwards; the three-jaw chuck comprises a chuck plate and an inner plate, the inner plate is connected with the chuck plate in a sliding mode through a gear lifting structure, and a bolt and a slot which are used for clamping the gear lifting structure are arranged on the chuck plate. The heat treatment equipment has larger size and is used for fixedly connecting a base of a motor, a pneumatic device, a three-jaw chuck and other components. The motor can control the rotation of the shaft through the transmission belt, and the shaft can drive the three-jaw chuck and the workpiece to rotate so as to facilitate heat treatment. The inductor is positioned in the inner cavity of the workpiece, and can heat the workpiece after being electrified and finally spray water to the inner cavity for cooling to finish heat treatment. The inner cavity of the workpiece faces downwards, so that the workpiece can be used for naturally flowing cooled water to prevent water accumulation, and the cooling effect is good. The gear lifting structure utilizes the principle that the teeth of the inner disc are meshed with the lifting gear of the chuck, the lifting gear is controlled to control the lifting of the inner disc, and the three-jaw chuck is connected to the inner disc, so that the three-jaw chuck can rotate along with the inner disc, and a workpiece is clamped tightly by the three-jaw chuck and can also rotate. The workpiece can be lifted up and down during quenching, and the quenching of all parts of the inner cavity of the workpiece is facilitated.

Preferably, the gear lifting structure comprises teeth on the inner disc and a lifting gear in the chuck which are matched, and a cavity for accommodating the lifting gear is arranged in the chuck. The shaft of the lifting gear is fixedly connected with the cavity wall in the chuck, and the lifting gear can rotate.

Preferably, the lifting gear is double-layered, one layer is gear-shaped, the other layer is a grooved disc used for matching with the bolt, and the grooved disc is provided with long grooves distributed in a surrounding manner. The double-layer lifting gear is of an integrally formed structure, and the structural strength is guaranteed. The gear-shaped layer on the lifting gear is used for being meshed with the teeth of the inner disc, and the long grooves on the grooved disc of the other layer are used for clamping the bolts, so that the lifting gear can be clamped when the inner disc needs to be fixed.

Preferably, the elevating gear is connected to a motor. The motor is used for driving the lifting gear to realize the lifting of the inner disc.

Preferably, the outer end of the bolt is provided with an arc tenon, the corresponding position on the chuck is provided with a matched arc mortise, and the bolt can rotate in the mortise. The arc tenon shape and the arc tongue-and-groove cooperate, and the bolt is inserted and is rotated extremely and can be with arc tenon screw in arc tongue-and-groove, fixes the bolt in the axial, blocks lifting gear, blocks the inner disc then.

Preferably, the outer end of the bolt is provided with a handle. The handle is used for making things convenient for the staff to rotate and control the bolt.

Preferably, the pneumatic device and the motor are fixedly connected through a support frame. The support frame is favorable for enhancing the structural strength of the heat treatment device and prolonging the service life of the device.

Therefore, the invention has the following beneficial effects: (1) the water accumulation in the inner cavity is prevented, and the cooling effect is good; (2) the chuck can adjust the height, so that the heat treatment can be conveniently carried out on the inner surfaces of all parts of the tapping workpiece; (3) the structure intensity is big, long service life.

Drawings

Fig. 1 is a schematic view of the general structure of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention.

FIG. 3 is a schematic diagram of a socket according to the present invention.

Fig. 4 is a schematic structural view of the plug of the present invention.

1-workpiece, 2-three-jaw chuck, 3-pneumatic device, 4-motor, 5-transmission belt, 6-heat treatment equipment, 7-inductor, 8-shaft, 9-support frame, 10-chuck, 11-inner disc, 12-gear lifting structure, 13-lifting gear, 14-bolt, 15-slot, 16-arc mortise and 17-arc tenon.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

Example (b):

in the embodiment shown in fig. 1 to 4, the height-adjustable heat treatment device comprises a heat treatment device 6 and a motor 4 fixedly connected to the heat treatment device, wherein the pneumatic device 3 is fixedly connected to the motor 4 through a support frame 9. The support frame 9 is beneficial to enhancing the structural strength of the heat treatment device and prolonging the service life of the device. A pneumatic device 3 is arranged beside the heat treatment equipment 6, a shaft 8 connected with a motor 4 through a transmission belt 5 is arranged in the pneumatic device 3, one end of the shaft 8 is fixedly connected with a three-jaw chuck 2 used for clamping the workpiece 1, an inductor 7 is arranged in an inner cavity of the workpiece 1, and the inner cavity of the workpiece 1 faces downwards; the three-jaw chuck 2 comprises a chuck 10 and an inner disc 11, the inner disc 11 is slidably connected with the chuck 10 through a gear lifting structure 12, the gear lifting structure 12 comprises teeth on the inner disc 11 matched with the teeth and a lifting gear 13 in the chuck 10, and a cavity for containing the lifting gear 13 is arranged in the chuck 10. The shaft 8 of the lifting gear 13 is fixedly connected to the chamber wall in the chuck 10, and the lifting gear 13 is rotatable. The lifting gear 13 is double-layered, one layer is gear-shaped, the other layer is a grooved disc used for matching the bolt 14, and the grooved disc is provided with long grooves distributed in a surrounding manner. The double-layer lifting gear 13 is of an integrally formed structure, and the structural strength is guaranteed. The gear-shaped layer on the lifting gear 13 is used for meshing with the teeth of the inner disc 11, and the long groove on the grooved disc on the other layer is used for clamping the bolt 14, so that the lifting gear 13 can be clamped when the inner disc 11 needs to be fixed. The elevating gear 13 is connected with a motor. The motor is used for driving the lifting gear 13 to realize the lifting of the inner disc 11. The pin 14 has an arcuate head 17 at its outer end and a complementary arcuate slot 16 at a corresponding position in the chuck 10, the pin 14 being rotatable in the slot 15. The shape of the arc tenon 17 is matched with the arc mortise 16, the bolt 14 is inserted to the bottom and rotates to screw the arc tenon 17 into the arc mortise 16, the bolt 14 is fixed in the shaft 8, the lifting gear 13 is clamped, and then the inner disc 11 is clamped. The outer end of the bolt 14 is provided with a handle. The handle is used to facilitate the rotation and control of the bolt 14 by the operator.

The chuck 10 is provided with a latch 14 and a slot 15 for catching the gear elevating structure 12. The heat treatment equipment 6 is large in size and is used for fixedly connecting a base of the motor 4, the pneumatic device 3, the three-jaw chuck 2 and other components. The motor 4 can control the rotation of the shaft 8 through the transmission belt 5, and the shaft 8 can drive the three-jaw chuck 2 and the workpiece 1 to rotate so as to facilitate heat treatment. The inductor 7 is positioned in the inner cavity of the workpiece 1, the workpiece 1 can be heated after the inductor 7 is electrified, and finally, water is sprayed to the inner cavity for cooling, so that heat treatment is completed. The inner cavity of the workpiece 1 faces downwards, so that the workpiece can be used for cooling water to naturally flow down, water accumulation is prevented, and the cooling effect is good. The gear lifting structure 12 controls the lifting of the inner disc 11 by controlling the lifting gear 13 by utilizing the principle that the teeth of the inner disc 11 are meshed with the lifting gear 13 of the chuck 10, and the three-jaw chuck 2 is connected to the inner disc 11, so that the three-jaw chuck 2 rotates along with the inner disc 11, and the workpiece 1 is clamped by the three-jaw chuck 2 and also rotates. The workpiece 1 can be lifted up and down during quenching, and the quenching of the workpiece 1 is convenient at each position of the inner cavity.

The working principle is as follows:

starting the pneumatic device 3, controlling the three-jaw chuck 2 to clamp the workpiece 1, then starting a motor controlling the lifting gear 13, adjusting the inner disc 11 to a preset position, inserting the bolt 14 to clamp the lifting gear 13, fixing the inner disc 11 at the preset position, then twisting the bolt 14, screwing the arc tenon 17 into the arc mortise 16, fixing the bolt 14 upwards on the shaft 8, clamping the lifting gear 13, then clamping the inner disc 11, then starting the inductor 7 to quench, and finally cooling, spraying water to the inner cavity for cooling, pouring water out from the inner cavity of the workpiece 1 downwards to prevent water accumulation. . And after the process is finished, twisting the bolt 14, pulling out the bolt 14, starting a motor for controlling the lifting gear 13 to reach a preset position for the second time, and repeating the steps for multiple times to finish the overall quenching of the inner cavity.

Claims

1. A height-adjustable heat treatment device comprises heat treatment equipment (6) and a motor (4) fixedly connected to the heat treatment equipment, wherein a pneumatic device (3) is arranged beside the heat treatment equipment (6), a shaft (8) connected with the motor (4) through a transmission belt (5) is arranged in the pneumatic device (3), one end of the shaft (8) is fixedly connected with a three-jaw chuck (2) used for clamping a workpiece (1), and an inductor (7) is arranged in an inner cavity of the workpiece (1), and is characterized in that the inner cavity of the workpiece (1) faces downwards; the three-jaw chuck (2) comprises a chuck (10) and an inner disc (11), the inner disc (11) is in sliding connection with the chuck (10) through a gear lifting structure (12), and a bolt (14) and a slot (15) for clamping the gear lifting structure (12) are arranged on the chuck (10).

2. Height adjustable heat treatment apparatus according to claim 1, wherein the gear lifting structure (12) comprises cooperating teeth on the inner disc (11) and a lifting gear (13) in the chuck (10), the chuck (10) being provided with a cavity for receiving the lifting gear (13).

3. The heat treatment device with the adjustable height as claimed in claim 1, wherein the lifting gear (13) is double-layered, one layer is gear-shaped, the other layer is a grooved disc for matching the bolt (14), and the grooved disc is provided with long grooves distributed around.

4. Height-adjustable heat treatment device according to claim 1, characterized in that the lifting gear (13) is connected to a motor.

5. A heat treatment device with adjustable height according to claim 1, characterized in that the outer end of the pin (14) is provided with an arc-shaped tenon (17), the chuck (10) is provided with a corresponding arc-shaped mortise (16), and the pin (14) can rotate in the slot (15).

6. Height-adjustable heat treatment apparatus as claimed in any one of claims 1 to 5, characterized in that the outer end of the pin (14) is provided with a handle.

7. The heat treatment device with the adjustable height according to any one of claims 1 to 5, wherein the pneumatic device (3) and the motor (4) are fixedly connected through a support frame (9).