CN216764979U

CN216764979U - Quenching device for developing ADI (elastic modulus) material of left and right supporting arm beams of automobile

Info

Publication number: CN216764979U
Application number: CN202123141786.3U
Authority: CN
Inventors: 李辉; 李朝霞
Original assignee: G&d Union Foundry Jiaozuo Co ltd
Current assignee: G&d Union Foundry Jiaozuo Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-17
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a quenching device for researching and developing ADI materials of left and right trailing arm beams of an automobile, which comprises a cylindrical water tank, wherein a fixed cylinder is hermetically connected at the center of the water tank, an L-shaped bracket is welded at the edge of the water tank, an electric telescopic rod is fixedly connected at the bottom surface of the upper end of the bracket, which is far away from the water tank, through bolts, a quenching auxiliary mechanism is arranged at the lower end of the electric telescopic rod, and salt bath solution is added in the water tank. According to the utility model, the circulating flow of the salt bath solution in the fixed cylinder is realized by utilizing the one-way valve to be matched with the up-and-down sliding of the lifting plate, the high temperature of the solution around the material is avoided during quenching, isothermal quenching is realized on the material to obtain bainite, the quenching quality of the material is improved, the annular blocking net is driven to rotate circumferentially while the lifting plate slides up and down, the quenching material is continuously contacted and replaced with the salt bath solution, the cooling speed is improved, and the quenching quality is enhanced.

Description

Quenching device for developing ADI (elastic modulus) material of left and right supporting arm beams of automobile

Technical Field

The utility model relates to the technical field of automobile material processing, in particular to a quenching device for developing ADI materials of left and right supporting arm beams of an automobile.

Background

Quenching is a heat treatment process for heating steel to above critical temperature, keeping the temperature for a certain time, and then cooling at a speed higher than the critical cooling speed so as to obtain an unbalanced structure (bainite can be obtained or single-phase austenite can be kept according to the needs) mainly comprising martensite, and quenching is a most widely applied process in the heat treatment process of steel.

The ADI material is austenite-bainite nodular cast iron with high strength and high toughness, the ADI material needs to be subjected to a quenching process when the automobile left and right trailing arm beams develop the ADI material, isothermal quenching is needed to obtain bainite, however, the existing quenching equipment is simple, most containers are used for containing quenching solution, then the heated material is placed for rapid cooling, and the temperature of the quenching solution around the material is increased in the cooling process, so that the isothermal state cannot be kept, the quenching effect is influenced, and the material quality is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a quenching device for researching ADI materials of left and right bracket beams of an automobile.

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

the utility model provides a corbel beam ADI material research and development uses guenching unit about car, includes the pond of cylinder type, the central point of pond puts sealing connection with the solid fixed cylinder, the welding of pond edge department in pond has the support of L type, the upper end bottom surface department in pond is kept away from to the support has electric telescopic handle through bolt fixedly connected with, electric telescopic handle's lower extreme is equipped with quenching complementary unit, it has salt bath solution to add in the pond.

Preferably, the quenching auxiliary mechanism comprises a circular connecting plate and a circular lifting plate, a rotating groove with a T-shaped cross section is formed in the center of the top of the connecting plate, a rotating block is welded at the lower end of the electric telescopic rod and is rotatably connected with the rotating groove, a circle of annular blocking net is welded on the lower end face of the connecting plate, and the lower end of the annular blocking net is welded and fixed with the lifting plate.

Preferably, the lifting plate is connected with the inner cylinder wall of the fixed cylinder in a sealing and sliding manner, the inner cylinder wall of the fixed cylinder is provided with guide grooves, the head and the tail ends of the guide grooves are connected and symmetrically distributed, two hemispherical guide blocks are welded at two ends of the lifting plate respectively, and the two guide blocks are connected with the guide grooves in a sealing and sliding manner.

Preferably, the annular block net is provided with a material changing port, and the annular block net is positioned at the material changing port and is rotatably connected with a circular arc movable net door through a hinge.

Preferably, a plurality of through holes are formed in the lifting plate in an annular array mode, a plurality of liquid flowing holes are uniformly formed in the wall of the bottom of the fixed cylinder, and the cooling plate is embedded at the bottom of the water pool.

Preferably, a check valve which only allows the flow from bottom to top is arranged in each through hole, and a check valve which only allows the flow from outside to inside is arranged in each liquid flow hole.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the one-way valve is matched with the lifting plate to slide up and down, so that the circulating flow of the salt bath solution in the fixed cylinder is realized, the higher temperature of the solution around the material during quenching is avoided, isothermal quenching is realized on the material to obtain bainite, and the quenching quality of the material is improved;

2. in the process of sliding the lifting plate up and down, the guide blocks at the two ends of the lifting plate slide along the guide grooves on the inner cylinder wall, so that the lifting plate slides up and down and drives the annular blocking net to rotate circumferentially, the quenching material is continuously contacted and replaced with salt bath solution, the cooling speed is improved, and the quenching quality is enhanced.

Drawings

FIG. 1 is a schematic structural diagram of a quenching device for developing ADI materials of left and right trailing arm beams of an automobile, which is provided by the utility model;

FIG. 2 is a schematic structural diagram of a quenching auxiliary mechanism in a quenching device for developing ADI materials of left and right trailing arm beams of an automobile, which is provided by the utility model;

fig. 3 is a structural plan sectional view of a quenching auxiliary mechanism in the quenching device for the research and development of the ADI material of the left and right bracket beams of the automobile.

In the figure: 1 water pool, 2 fixed cylinders, 3 supports, 4 electric telescopic rods, 5 connecting plates, 6 lifting plates, 7 annular blocking nets, 8 rotating grooves, 9 rotating blocks, 10 guide grooves, 11 guide blocks, 12 through holes, 13 liquid flowing holes, 14 cooling plates, 15 material changing ports and 16 movable net doors.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a quenching device for research and development of ADI materials of left and right trailing arm beams of an automobile comprises a cylindrical water tank 1, a fixed cylinder 2 is hermetically connected to the center of the water tank 1, an L-shaped bracket 3 is welded at the edge of the water tank 1, an electric telescopic rod 4 is fixedly connected to the bottom of the upper end of the bracket far away from the water tank 1 through a bolt, a quenching auxiliary mechanism is arranged at the lower end of the electric telescopic rod 4, a salt bath solution is added into the water tank 1, the heat efficiency is high, thermal inertia is avoided, the heating speed is high, the heating is uniform, the operation is convenient, and oxidation and decarburization of quenching materials can be prevented.

The quenching auxiliary mechanism comprises a circular connecting plate 5 and a circular lifting plate 6, a rotating groove 8 with a T-shaped cross section is formed in the center of the top of the connecting plate 5, a rotating block 9 is welded at the lower end of the electric telescopic rod 4, the rotating block 9 is rotatably connected with the rotating groove 8, a circle of annular barrier net 7 is welded on the lower end face of the connecting plate 5, the lower end of the annular barrier net 7 is fixedly welded with the lifting plate 6, a material changing port 15 is formed in the annular barrier net 7, and the annular barrier net 7 is located at the material changing port 15 and is rotatably connected with a circular arc-shaped movable net door 16 through a hinge.

The inner tube wall sealing sliding connection of lifter plate 6 and fixed cylinder 2, the guide slot 10 has been seted up on the inner tube wall of fixed cylinder 2, the head and the tail end of guide slot 10 link to each other and the symmetric distribution, the both ends of lifter plate 6 respectively have welded the guide block 11 of a hemisphere type, two guide blocks 11 all with guide slot 10 sealing sliding connection, a plurality of through-holes 12 have been seted up with annular array's mode on the lifter plate 6, a plurality of flowing liquid holes 13 have evenly been seted up on the bottom section of thick bamboo wall of fixed cylinder 2, cooling plate 14 has been buried underground to the bottom of pond 1, cooling plate 14 is used for cooling down pond 1 bottom salt bath solution for electric refrigeration, be provided with the check valve that only allows from the following and flow up in every through-hole 12, be provided with the check valve that only allows from outside-in flow in 13 in every flowing liquid hole.

When the quenching device is used, a material to be quenched is put into the annular barrier net 7 and placed on the lifting plate 6, then the electric telescopic rod 4 and the cooling plate 14 are started to work, the electric telescopic rod 4 drives the connecting plate 5, the whole annular barrier net 7 and the lifting plate 6 to slide up and down in the fixed cylinder 2 in a reciprocating manner, when the lifting plate 6 slides down, the salt bath solution at the bottom of the fixed cylinder 2 flows to the upper part of the lifting plate 6 through the through hole 12 under the action of the one-way valve to impact the material, the through hole 12 does not flow when the lifting plate 6 slides up, the salt bath solution cooled by the cooling plate 14 in the water pool 1 enters the fixed cylinder 2 through the liquid flow hole 13 under the action of negative pressure, and the salt bath solution on the lifting plate 6 flows out of the meshes of the annular barrier net 7 along the outer cylinder wall of the fixed cylinder 2 along with the lifting of the lifting plate 6 to strengthen the heat dissipation of the salt bath solution after heat absorption, realize the circulation flow of salt bath solution for realize isothermal quenching to the material, at lifter plate 6 down the slip in-process, the guide block 11 at lifter plate 6 both ends will slide along guide slot 10 on the inner tube wall, drive annular block 7 and carry out the circumferential rotation when making lifter plate 6 slide from top to bottom, make the continuous contact of quenching material and salt bath solution change, improve cooling speed, strengthen the quenching quality.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a corbel beam ADI material research and development uses guenching unit about car, includes pond (1) of cylinder type, its characterized in that, the central point of pond (1) puts sealing connection with solid fixed cylinder (2), the welding of the pool edge department in pond (1) has support (3) of L type, the upper end bottom surface department in pond (1) is kept away from to the support has electric telescopic handle (4) through bolt fixedly connected with, the lower extreme of electric telescopic handle (4) is equipped with quenching complementary unit, it has salt bath solution to add in pond (1).

2. The quenching device for the research and development of the ADI material of the left and right corbel beams of the automobile according to claim 1, wherein the quenching auxiliary mechanism comprises a circular connecting plate (5) and a circular lifting plate (6), a rotating groove (8) with a T-shaped cross section is formed in the center of the top of the connecting plate (5), a rotating block (9) is welded at the lower end of the electric telescopic rod (4), the rotating block (9) is rotatably connected with the rotating groove (8), a circle of annular blocking net (7) is welded at the lower end face of the connecting plate (5), and the lower end of the annular blocking net (7) is fixedly welded with the lifting plate (6).

3. The quenching device for the research and development of the ADI material of the left and right corbel beams of the automobile according to claim 2, wherein the lifting plate (6) is connected with the inner cylinder wall of the fixed cylinder (2) in a sealing and sliding manner, the inner cylinder wall of the fixed cylinder (2) is provided with guide grooves (10), the head end and the tail end of each guide groove (10) are connected and symmetrically distributed, two hemispherical guide blocks (11) are welded at two ends of the lifting plate (6), and the two guide blocks (11) are connected with the guide grooves (10) in a sealing and sliding manner.

4. The quenching device for the research and development of the ADI material of the left and right corbel beams of the automobile according to claim 2, wherein the annular blocking net (7) is provided with a material changing opening (15), and the annular blocking net (7) is rotatably connected with a circular arc-shaped movable net door (16) at the material changing opening (15) through a hinge.

5. The quenching device for the research and development of the ADI material of the left and right corbel beams of the automobile according to claim 3, wherein the lifting plate (6) is provided with a plurality of through holes (12) in an annular array manner, the bottom wall of the fixed cylinder (2) is uniformly provided with a plurality of liquid flowing holes (13), and the bottom of the water pool (1) is embedded with a cooling plate (14).

6. The quenching device for the research on the ADI material of the left and right corbel beams according to claim 5, characterized in that a check valve only allowing the flow from bottom to top is arranged in each through hole (12), and a check valve only allowing the flow from outside to inside is arranged in each liquid flow hole (13).