CN218755863U

CN218755863U - Quenching tool with cooling function and induction quenching deformation control function

Info

Publication number: CN218755863U
Application number: CN202223328835.9U
Authority: CN
Inventors: 张磊磊; 邢孝峰; 唐军强
Original assignee: Luoyang Shengjing Precision Bearing Co ltd
Current assignee: Luoyang Shengjing Precision Bearing Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-28
Anticipated expiration: 2032-12-13

Abstract

The utility model belongs to the technical field of super-huge bearing raceway quenches, specifically is a take quenching frock of cooling function and control response quenching deformation, the on-line screen storage device comprises a base, the recess that holds the work piece is seted up to the base upper surface, and the bottom surface of recess is provided with the apopore, and the upper surface of base is provided with the upper cover of fixed work piece, and the through-hole has all been seted up at the middle part of base and upper cover, has seted up the inlet opening on the upper cover inside wall. Has the advantages that: the utility model discloses can limit the location to the work piece in the quenching engineering to absorb the unnecessary heat of work piece in the quenching process, install the cooling bath additional on the frock simultaneously and carry out circulative cooling to the work piece, and then realize the quenching deformation of control work piece.

Description

Quenching tool with cooling function and induction quenching deformation control function

Technical Field

The utility model relates to the technical field of quenching of super-huge bearing raceways, in particular to a quenching tool with cooling function and induction quenching deformation control.

Background

The raceway of the oversize turntable bearing and the oversize thrust bearings is generally subjected to quenching hardening treatment on the surface of the raceway by induction quenching, but for thin-wall bearings, the induction quenching can generate quenching deformation, and the quality of products and the processing stability are influenced.

At present, a lot of methods are adopted for solving the deformation problem, namely, the workpiece is subjected to shaping or rounding treatment after heat treatment, but the shaped and rounded product is often subjected to secondary deformation during the finish machining of subsequent products, because the shaping and rounding have larger stress, and the stress can be continuously released to generate deformation in the manufacturing process of the subsequent products. Meanwhile, the workpiece can continuously deform in the continuous induction quenching process, so that a hardened layer and hardness are not uniformly distributed while the quenched product deforms, the deformation can be further aggravated, and waste products are generated in severe cases. Therefore, the utility model provides a quenching tool with cooling function and induction quenching deformation control to solve the problems.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a take cooling function and control response quenching frock of deformation, can effectively solve the problem in the background art.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a take cooling function and control quenching frock of response quenching deformation, includes the base, the recess that holds the work piece is seted up to the base upper surface, and the bottom surface of recess is provided with the apopore, and the upper surface of base is provided with the upper cover of fixed work piece, and the through-hole has all been seted up at the middle part of base and upper cover, has seted up the inlet opening on the upper cover inside wall.

Furthermore, the lower surface of the upper cover is in a step shape, a groove is formed in the step surface on the outermost side, and the inner wall of the groove is connected with the water inlet hole.

Furthermore, a step is arranged inside the upper surface of the base, and the step surface of the step is attached to the lower surface of the upper cover.

Furthermore, the bottom surface of the groove is provided with at least three backing plates for supporting the workpiece.

Furthermore, the backing plate is arc-shaped and is uniformly distributed on the bottom surface of the groove.

Further, the water outlet hole is formed between the two base plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can absorb the heat of the workpiece during induction heating, and realize the control of the thermal expansion and deformation of the workpiece;

2. the utility model cools the workpiece and the tool by circulating water, thereby reducing the temperature of the non-quenching area of the workpiece and reducing the quenching deformation caused by thermal expansion;

3. the utility model discloses carry out axial and radial spacing when quenching to thin wall type carousel bearing raceway response, the work piece warp and the inflation obtains the restriction when making to quench, obtains fine circularity assurance after the cooling.

Drawings

FIG. 1 is a structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

fig. 5 is a mounting structure diagram of the present invention.

Reference numerals: 1. an upper cover; 2. a base; 3. a screw; 4. a workpiece; 5. a raceway quenching layer; 6. a water inlet hole; 7. a water outlet hole; 8. a groove; 9. a through hole; 10. a backing plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-5, a quenching tool with cooling function and induction quenching deformation control comprises a base 2, a groove 8 for accommodating a workpiece 4 is formed in the upper surface of the base 2, a water outlet 7 is formed in the bottom surface of the groove 8, an upper cover 1 for fixing the workpiece 4 is arranged on the upper surface of the base 2, through holes 9 are formed in the middle of the base 2 and the middle of the upper cover 1, and a water inlet 6 is formed in the inner side wall of the upper cover 1.

Specifically, the workpiece 4 is placed in the groove 8 of the base 2, and the outer diameter of the workpiece 4 and the groove 8 of the base 2 form a small clearance fit, so that the thermal expansion and deformation of the workpiece 4 can be limited during induction heating.

More specifically, the upper cover 1 is connected with the base 2 through the screw 3, and the upper cover 1 axially compresses the workpiece 4, so that the axial deformation of the workpiece 4 during induction quenching is avoided.

By means of the arrangement, the workpiece 4 can be limited and positioned in the quenching engineering, the cooling liquid is conveyed into the groove 8 from the water inlet 6, the redundant heat of the workpiece 4 is absorbed in the quenching process, and meanwhile, the workpiece 4 is cooled circularly by additionally arranging the cooling tank on the tool, so that the quenching deformation of the workpiece is controlled.

Further, the lower surface of the upper cover 1 is in a step shape, a groove is formed in the step surface on the outermost side, and the inner wall of the groove is connected with the water inlet 6.

Specifically, the inner part of the upper surface of the base 2 is provided with a step, and the step surface is mutually attached to the lower surface of the upper cover 1.

More specifically, the ladder face of upper cover 1 lower surface is low outer height, and the ladder face is the three-layer, and the one deck in the outside can be pressed workpiece 4 and is held, and the intermediate level can with the upper surface cooperation of base 2, fixes upper cover 1 on base 2, and the inlayer can mutually support with the step on the base 2, can fix a position upper cover 1, is convenient for install upper cover 1 on base 2.

Further, the bottom surface of the groove 8 is provided with not less than three backing plates 10 for supporting the workpiece 4.

Specifically, the backing plate 10 is arc-shaped and evenly distributed on the bottom surface of the groove 8.

More specifically, the backing plate 10 is capable of supporting the workpiece 4 to facilitate cooling of the base 2 and the workpiece 4 by the coolant.

Furthermore, the water outlet 7 is arranged between two of the backing plates 10, so that the water outlet 7 is positioned on the lowest surface of the groove 8, and the cooling liquid can be discharged conveniently.

Specifically, a groove in the upper cover 1, a water inlet 6, a groove 8 on the base 2 and a water outlet 7 at the bottom of the groove 8 form a cooling unit.

Specifically, a circumferential water tank and a radial water tank are arranged on the base 2, and cooling liquid flows through a groove 8 on the base 2 in a closed space formed by the upper cover 1, the base 2 and the workpiece 4 through a water inlet 6 of the upper cover 1 and flows out through a water outlet 7, so that the workpiece 4 and the base 2 are cooled.

The utility model discloses a theory of operation and use flow: when the tool is used, a workpiece 4 is placed in the base 2, the water inlet 6 of the upper cover 1 and the water outlet 7 of the base 2 are aligned at an angle of 180 degrees, the upper cover 1 is fixed on the base 2 through the screw 3, the workpiece 4 is axially fixed, the tool and the workpiece 4 are integrally placed on a quenching machine, the water inlet 6 of the upper cover 1 is connected with a cooling water pipe of the quenching machine, and cooling liquid is discharged from the water outlet 7 of the base 2 after being circulated in the quenching process.

It is worth noting that when the upper cover 1 is installed, the water inlet hole 6 on the upper cover 1 and the water outlet hole 7 on the base 2 are arranged at 180 degrees, so as to ensure that the distance and time for conveying the cooling liquid from the water inlet hole 6 to the water outlet hole 7 are consistent.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 3, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take cooling function and control quenching frock of induction hardening deformation which characterized in that: including base (2), recess (8) that hold work piece (4) are seted up to base (2) upper surface, and the bottom surface of recess (8) is provided with apopore (7), and the upper surface of base (2) is provided with upper cover (1) of fixed work piece (4), and through-hole (9) have all been seted up at the middle part of base (2) and upper cover (1), have seted up inlet opening (6) on upper cover (1) inside wall.

2. The quenching tool with the cooling function and the induction quenching deformation control function according to claim 1, characterized in that: the lower surface of the upper cover (1) is in a step shape, a groove is formed in the step surface on the outermost side, and the inner wall of the groove is connected with the water inlet hole (6).

3. The quenching tool with the cooling function and the induction quenching deformation control function according to claim 1, characterized in that: the inner part of the upper surface of the base (2) is provided with a step, and the step surface of the base is mutually attached to the lower surface of the upper cover (1).

4. The quenching tool with the cooling function and the induction quenching deformation control function according to claim 1, characterized in that: the bottom surface of the groove (8) is provided with at least three backing plates (10) for supporting the workpiece (4).

5. The quenching tool with the cooling function and the induction quenching deformation control function according to claim 4, characterized in that: the backing plate (10) is arc-shaped and evenly distributed on the bottom surface of the groove (8).

6. The quenching tool with the cooling function and the induction quenching deformation control function according to claim 4, characterized in that: the water outlet hole (7) is arranged between the two backing plates (10).