CN216550591U

CN216550591U - Vacuum annealing device for improving performance of steel

Info

Publication number: CN216550591U
Application number: CN202123067306.3U
Authority: CN
Inventors: 肖文良
Original assignee: Jiaxing Jinlong Auto Parts Co ltd
Current assignee: Jiaxing Jinlong Auto Parts Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-17
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a vacuum annealing device for improving the performance of steel, which comprises a placing plate with an annealing furnace arranged at the top and a furnace cover which can be fixedly arranged at one side of the annealing furnace in a sealing way, wherein a circular convex block is fixedly arranged in the middle of one side of the furnace cover facing the annealing furnace, a mounting groove is arranged in the circular convex block, a receiving component is detachably arranged in the mounting groove and comprises a receiving mould shell with arc-shaped convex blocks fixedly arranged in an annular array on the outer edge surface, a receiving ring is formed in the middle of one side of the receiving mould shell facing the annealing furnace, a fixing bolt which can be screwed into the circular convex block is arranged at one side of the arc-shaped convex block facing the annealing furnace, an annealing bin is arranged in the annealing furnace, a bearing ring which is matched with the receiving ring and used for receiving the steel is fixedly arranged in the middle of the inner wall of one side of the annealing bin far away from the furnace cover, and the vacuum annealing device for improving the performance of the steel, rational in infrastructure, be favorable to maintaining the equilibrium of the inside metallic feature of steel, the practicality is strong.

Description

Vacuum annealing device for improving performance of steel

Technical Field

The utility model belongs to the technical field of steel processing, and particularly relates to a vacuum annealing device for improving the performance of steel.

Background

Annealing is a heat treatment process for metals, which refers to slowly heating a metal to a certain temperature, holding for a sufficient time, and then cooling at a suitable rate. The object is to reduce hardness and improve machinability; the residual stress is eliminated, the size is stabilized, and the deformation and crack tendency is reduced; refining grains, adjusting the structure and eliminating the structure defects. Specifically, annealing is a heat treatment process for materials, including metallic materials and non-metallic materials. And the annealing purpose of the new material is different from that of the traditional metal annealing.

Publication No. CN210886113U discloses a vacuum high-temperature annealing device, which comprises a base, wherein the front end and the rear end of one side of the top of the base are fixedly connected with slide rails, and a movable cylinder is connected inside each slide rail, so that the vacuum high-temperature annealing device has the following beneficial effects that: the utility model is convenient for loading and unloading parts by matching the slide rail, the movable cylinder, the fixed plate, the cover plate and the semi-arc containing plate; the first sealing ring, the fourth sealing ring, the third sealing ring and the second sealing ring are matched for use, so that the air leakage condition of the feeding groove, the detection groove and the two air exhaust holes in the working process is avoided, and the sealing rings are made of ceramic fiber materials and have high temperature resistance; through the vacuum pump that two exhaust tube one ends are connected, can be quick take out the oxygen in the annealing processing stove away, make and keep vacuum state in the annealing vacuum furnace, through inserting the manometer sense terminal in No. four sealing washers to he is through detecting the groove, conveniently carries out real-time supervision, easy operation to the pressure in the annealing vacuum furnace.

At present some specific parts are after high temperature processing, need place in the annealing stove and carry out vacuum annealing, evacuate the oxygen in the stove, make the stove keep the vacuum state, make it can natural cooling, keep the characteristic of metal, above-mentioned patent is through the slide rail, remove the collocation fixed plate of cylinder, the collocation use of apron and semi-arc holding plate, make things convenient for the unloading of part, steel is placed in semi-arc holding plate, its interface with semi-arc holding plate is great, at the in-process of annealing, the temperature of steel conducts to semi-arc holding plate in easily, and then the interface that leads to annealing in-process steel and semi-arc holding plate has certain difference in comparison in other face cooling rate, and then leads to the inside metal characteristic inequality of steel.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a vacuum annealing apparatus for improving the performance of steel products, so as to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the vacuum annealing device for improving the performance of the steel comprises a placing plate with an annealing furnace arranged at the top and a furnace cover which can be fixedly arranged on one side of the annealing furnace in a sealing way;

a circular convex block is fixedly arranged in the middle of one side of the furnace cover facing the annealing furnace, a mounting groove is formed in the circular convex block, a receiving component is detachably mounted in the mounting groove, the receiving component comprises a receiving mould shell, arc-shaped convex blocks are fixedly mounted on the outer edge surface in an annular array, a receiving ring is formed in the middle of one side of the receiving mould shell facing the annealing furnace, and a fixing bolt capable of being screwed into the circular convex block is arranged on one side of the arc-shaped convex block facing the annealing furnace;

an annealing bin is arranged in the annealing furnace, and a bearing ring used for matching with the bearing ring and bearing steel is fixedly arranged on the inner wall of one side, away from the furnace cover, of the annealing bin in the middle.

Furthermore, the upper end face of placing the board is constructed symmetrically and is provided with a supporting plate, the arc-shaped groove used for supporting the annealing furnace is arranged in the middle of the upper end face of the supporting plate, and one end of the annealing furnace is fixedly provided with a vacuum pump communicated with the annealing bin through a pipeline.

Furthermore, the outer edge surface of the round convex block is provided with a positioning convex plate in an annular array structure, and sealing strips are fixedly mounted on the outer surfaces of the round convex block and the positioning convex plate.

Further, place the board up end and towards one side symmetry fixed mounting of bell have a rectangular guide rail, the track groove has been seted up between two parties to the up end of rectangular guide rail, the rotatable sliding shaft that installs in the track groove.

Further, a rectangular sliding block is installed on the outer edge surface of the sliding shaft in a threaded fit mode, a connecting plate is fixedly installed on the upper end face of the rectangular sliding block in the middle, and one end, far away from the rectangular sliding block, of the connecting plate is fixedly connected to the outer edge surface of the furnace cover.

Compared with the prior art, the utility model has the following beneficial effects: benefit from the setting of accepting subassembly and carrier ring, can place the steel one end that needs carry out annealing treatment in accepting the intra-annular, and accept the one end of steel through accepting the ring, along with accepting that the mould shell is closed sealed gradually with the annealing stove, steel also removes towards annealing storehouse along with the promotion of accepting the subassembly, make the other end in annealing storehouse place in the carrier ring, accept the support through accepting the ring with the both ends of carrier ring to steel, it is less with the area of contact of carrier ring to accept the ring, can reduce the contact surface with steel and compare in the condition that other face cooling rates have certain difference in the in-process of annealing, be favorable to maintaining the equilibrium of the inside metallic character of steel.

Drawings

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

FIG. 2 is a schematic view of the receiving assembly of the present invention;

FIG. 3 is a schematic view showing the internal structure of an annealing furnace according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. placing the plate; 2. a support plate; 3. an annealing furnace; 4. an annealing bin; 5. a load ring; 6. a vacuum pump; 7. a furnace cover; 8. a circular bump; 9. positioning the convex plate; 10. a sealing strip; 11. a receiving assembly; 1101. carrying the formwork; 1102. an arc-shaped bump; 1103. fixing the bolt; 1104. a bearing ring; 12. a rectangular guide rail; 13. a track groove; 14. a sliding shaft; 15. a rectangular slider; 16. a connecting plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, the vacuum annealing device for improving the performance of steel materials comprises a placing plate 1 provided with an annealing furnace 3 on the top and a furnace cover 7 which is fixedly arranged on one side of the annealing furnace 3 in a sealing way;

a circular bump 8 is fixedly arranged in the middle of one side of the furnace cover 7 facing the annealing furnace 3, a mounting groove is formed in the circular bump 8, a receiving component 11 is detachably arranged in the mounting groove, the receiving component 11 comprises a receiving formwork 1101 fixedly provided with arc bumps 1102 in an annular array on the outer edge surface, a receiving ring 1104 is formed in the middle of one side of the receiving formwork 1101 facing the annealing furnace 3, and a fixing bolt 1103 capable of being screwed into the circular bump 8 is arranged on one side of the arc bumps 1102 facing the annealing furnace 3;

an annealing bin 4 is arranged in an annealing furnace 3, a bearing ring 5 which is used for matching with a bearing ring 1104 and bearing steel is fixedly arranged in the middle of the inner wall of one side of the annealing bin 4, which is far away from a furnace cover 7, one end of the steel needing annealing treatment is placed in the bearing ring 1104, one end of the steel is borne by the bearing ring 1104, along with the gradual closing and sealing of a bearing formwork 1101 and the annealing furnace 3, the steel also moves towards the annealing bin 4 along with the pushing of the bearing assembly 11, so that the other end of the annealing bin 4 is placed in the bearing ring 5, two ends of the steel are borne and supported by the bearing ring 1104 and the bearing ring 5, the contact area between the bearing ring 1104 and the bearing ring 5 is small, and the condition that the cooling rate of the contact surface with the steel is different from that of other surfaces exists in the annealing process can be reduced, is beneficial to maintaining the balance of the metal characteristics in the steel.

Wherein, the up end symmetry that places board 1 constructs has backup pad 2, and the arc recess that is used for carrying out the support to annealing stove 3 is offered between two parties to the up end of backup pad 2, the one end fixed mounting of annealing stove 3 has vacuum pump 6 through pipeline switch-on annealing storehouse 4.

Wherein, be annular array on the outer fringe face of circular lug 8 and construct location flange 9, the equal fixed mounting of surface of circular lug 8 and location flange 9 has sealing strip 10.

Wherein, a rectangular guide rail 12 is symmetrically and fixedly arranged on one side of the upper end surface of the placing plate 1 facing the furnace cover 7, a track groove 13 is arranged in the middle of the upper end surface of the rectangular guide rail 12, and a sliding shaft 14 is rotatably arranged in the track groove 13.

Wherein, the outer edge surface of the sliding shaft 14 is provided with a rectangular sliding block 15 in a threaded fit manner, the upper end surface of the rectangular sliding block 15 is fixedly provided with a connecting plate 16 in the middle, and one end of the connecting plate 16 far away from the rectangular sliding block 15 is fixedly connected to the outer edge surface of the furnace cover 7.

The working principle is as follows: when the vacuum annealing device for improving the performance of the steel is used, one end of the steel needing annealing treatment can be placed in the bearing ring 1104, and is supported by the bearing ring 1104, the sliding shaft 14 can be driven by external driving equipment to rotate, so that the rectangular sliding block 15 can be driven in the track groove 13, the connecting plate 16 drives the furnace cover 7 to move, the furnace cover 7 drives the circular lug 8 to move, the bearing component 11 is driven by the circular lug 8 to move, the steel is also driven by the bearing component 11 to move towards the annealing bin 4, so that the other end of the annealing bin 4 is placed in the bearing ring 5, the two ends of the steel are supported by the bearing ring 1104 and the bearing ring 5, the contact area between the bearing ring 1104 and the bearing ring 5 is small, the sealing strip 10 is abutted against the inner wall of the annealing furnace 3 to realize sealing, by starting the vacuum pump 6, can be to 4 inside evacuation treatments in annealing storehouse, realize vacuum annealing, can reduce the contact surface with steel and compare in the condition that other face cooling rate have certain difference carrying out the in-process of annealing, this vacuum annealing device who improves steel performance, rational in infrastructure is favorable to maintaining the equilibrium of the inside metal characteristic of steel, and the practicality is strong.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A vacuum annealing device for improving the performance of steel comprises a placing plate (1) with an annealing furnace (3) arranged at the top and a furnace cover (7) which can be fixedly arranged on one side of the annealing furnace (3) in a sealing way;

the method is characterized in that: a circular bump (8) is fixedly arranged in the middle of one side, facing the annealing furnace (3), of the furnace cover (7), a mounting groove is formed in the circular bump (8), a bearing component (11) is detachably mounted in the mounting groove, the bearing component (11) comprises a bearing formwork (1101) which is provided with arc bumps (1102) in an annular array manner and fixedly mounted on the outer edge surface, a bearing ring (1104) is formed in the middle of one side, facing the annealing furnace (3), of the bearing formwork (1101), and a fixing bolt (1103) which can be screwed into the circular bump (8) is arranged on one side, facing the annealing furnace (3), of the arc bumps (1102);

annealing storehouse (4) have been seted up in annealing stove (3), fixed mounting placed in the middle on one side inner wall that annealing storehouse (4) kept away from bell (7) has bearing ring (5) that are used for cooperating bearing ring (1104) and accept steel.

2. The vacuum annealing apparatus for improving the properties of steel products according to claim 1, wherein: the upper end face of placing board (1) is constructed symmetrically and is equipped with backup pad (2), the arc recess that is used for carrying out the support to annealing stove (3) is offered between two parties to the upper end face of backup pad (2), the one end fixed mounting of annealing stove (3) has vacuum pump (6) through pipeline switch-on annealing storehouse (4).

3. The vacuum annealing apparatus for improving the properties of steel according to claim 2, wherein: the outer fringe face of circular lug (8) is the annular array and constructs and has location flange (9), the equal fixed mounting in surface of circular lug (8) and location flange (9) has sealing strip (10).

4. The vacuum annealing apparatus for improving the properties of steel products according to claim 1, wherein: the furnace cover is characterized in that a rectangular guide rail (12) is symmetrically and fixedly mounted on one side, facing the furnace cover (7), of the upper end face of the placing plate (1), a rail groove (13) is formed in the middle of the upper end face of the rectangular guide rail (12), and a sliding shaft (14) is rotatably mounted in the rail groove (13).

5. The vacuum annealing apparatus for improving the properties of steel according to claim 4, wherein: the outer fringe face of slide shaft (14) is gone up screw-thread fit and is installed rectangle slider (15), the up end fixed mounting placed in the middle of rectangle slider (15) has connecting plate (16), the one end fixed connection of keeping away from rectangle slider (15) in connecting plate (16) is on the outer fringe face of bell (7).