CN216073921U

CN216073921U - Effective cooling quenching treatment device for aluminum alloy castings

Info

Publication number: CN216073921U
Application number: CN202121811647.4U
Authority: CN
Inventors: 张健; 王小军
Original assignee: Taicang Yaozhan Metal Products Co ltd
Current assignee: Taicang Yaozhan Metal Products Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-03-18
Anticipated expiration: 2031-08-05

Abstract

An effective cooling quenching treatment device for aluminum alloy castings comprises a quenching tank body, a lifting mechanism for the aluminum alloy castings, a circulating cooling assembly and a stirring device, wherein the circulating cooling assembly and the stirring device are arranged outside the quenching tank; the circulation cooling subassembly includes the liquid outlet pipe way, the inlet fluid pipeline, the hydrojet pipe, cooling tube and a cooling section of thick bamboo, there is the comdenstion water that is used for the cooling in the cooling section of thick bamboo, elevating system throws into the quenching bath with the aluminum alloy foundry goods and quenches, two sets of hydrojet pipes are to aluminum alloy foundry goods blowout quenching bath simultaneously, drive the (mixing) shaft through agitator motor, the puddler, helical blade rotates, stir the quenching bath in the quenching groove, make the temperature distribution of quenching bath even, through circulation cooling subassembly, make the quenching bath circulate in the circulation pipeline and flow, effectively cool down in the cooling water cavity, make the temperature control of quenching bath more effective, and then improve the quenching quality of aluminum alloy foundry goods.

Description

Effective cooling quenching treatment device for aluminum alloy castings

Technical Field

The utility model belongs to the technical field of aluminum alloy casting processing equipment, and particularly relates to an effective cooling and quenching treatment device for an aluminum alloy casting.

Background

The aluminum alloy has better strength, toughness, electrical conductivity and thermal conductivity, is commonly used as a structural material, and is widely applied in the fields of aerospace, electronic industry and automobile manufacturing; however, aluminum alloys have low tensile strength, low hardness, and poor corrosion resistance, which limits their industrial applications. The extrusion casting of aluminium alloy products is a liquid forming process, which applies high mechanical pressure to the liquid alloy poured into a mould cavity to solidify and form the liquid alloy, thus producing mechanical parts and products.

A rapid quenching mode adopted by an aluminum alloy casting is characterized in that a heat treatment furnace is arranged on the upper portion, the casting is transferred to the position right below the heat treatment furnace from one side of the heat treatment furnace through a skip car, then the skip car is moved upwards into the heat treatment furnace for heat treatment, then a quenching unit movable on the opposite side of the heat treatment furnace is moved transversely to the position right below the skip car, after the heat treatment is completed, the skip car and the casting directly enter a quenching water tank for quenching treatment, therefore, the time from opening a furnace door to water entering a workpiece is generally not more than 15 seconds, then the quenching unit is reset, after the quenching is completed, the skip car and the casting are taken out, and the process of heat treatment of the workpiece is completed.

The existing quenching tank has the problems that the temperature of a casting is not uniform after the casting is placed into the quenching tank due to the fact that the temperature of quenching liquid is not controlled effectively, and the quality of a workpiece is poor easily.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide an effective cooling quenching treatment device for an aluminum alloy casting, which has the advantages of simple structure and good stirring effect, and can effectively control the temperature of quenching liquid, improve the quenching quality of the aluminum alloy casting and improve the comprehensive mechanical property of the aluminum alloy casting.

The technical scheme adopted by the utility model is as follows:

an effective cooling quenching treatment device for aluminum alloy castings comprises a cuboid-shaped quenching tank body, an aluminum alloy casting lifting mechanism and a circulating cooling assembly arranged outside the quenching tank, wherein quenching media are contained in the quenching tank body, the lifting mechanism is arranged above the quenching tank and comprises a transverse plate, the bottom of the transverse plate is fixedly connected with a cylinder, one end, away from the transverse plate, of the cylinder is in transmission connection with a telescopic rod, one end, away from the cylinder, of the telescopic rod is fixedly connected with a lifting plate, and the bottom end of the lifting plate is fixedly connected with a plurality of hooks; the circulation cooling subassembly includes a liquid outlet pipe, a liquid inlet pipe and a cooling section of thick bamboo, liquid outlet pipe and liquid inlet pipe all communicate with the quenching tank cell body, the upper end of a cooling section of thick bamboo is connected to the one end that the liquid outlet pipe kept away from the quenching tank cell body, the circulating pump is connected to the lower extreme of a cooling section of thick bamboo, the liquid inlet pipe is connected to the liquid outlet of circulating pump, quenching tank cell body inner wall sets up the hydrojet pipe, hydrojet pipe intercommunication liquid inlet pipe. Elevating system's setting is more convenient to drop into the quenching liquid with the aluminum alloy foundry goods and is quenched, can once quench a plurality of aluminum alloy foundry goods, two sets of spray tubes are to aluminum alloy foundry goods blowout quenching liquid simultaneously, drive the (mixing) shaft through agitator motor, the puddler, helical blade rotates, stir the quenching liquid in the quenching groove, make the temperature distribution of quenching liquid even, through circulation cooling subassembly, make the quenching liquid circulate in the circulating line and flow, effectively cool down in cooling water cavity, the temperature of quenching liquid is controlled jointly in two aspects, make the accuse temperature more effective, and then improve the quenching quality of aluminum alloy foundry goods.

Further, set up cooling water cavity and a plurality of baffle in the cooling section of thick bamboo, the circuitous cooling pipe that sets up from the top down between cooling water cavity, the baffle, the lateral wall upper end intercommunication liquid outlet pipe that the cooling section of thick bamboo was passed to the upper end of cooling pipe, the lower extreme of cooling pipe passes the inlet of the barrel lower extreme intercommunication circulating pump of a cooling section of thick bamboo, the cooling water intracavity lets in the circulating condensate water.

Further, the liquid outlet pipeline is arranged at the lower part of the side wall of the quenching tank body; the liquid inlet pipeline is arranged at the upper part of the side wall of the quenching tank body, and sealing blocks are arranged between the liquid outlet pipeline and the side wall of the quenching tank body and between the liquid inlet pipeline and the side wall of the quenching tank body.

Further, control valves are arranged on the liquid outlet pipeline and the liquid inlet pipeline; the liquid inlet pipeline comprises two liquid inlet branch circuits which penetrate through the quenching tank body to be communicated with the liquid spraying pipe. A filter screen is arranged at one end of the liquid outlet pipeline extending into the quenching tank and used for filtering impurities in the quenching liquid.

Further, the bottom of quenching groove cell body sets up agitating unit, agitating unit includes the (mixing) shaft, equidistant many puddlers of installing on the (mixing) shaft, the integral type is provided with helical blade on the (mixing) shaft, (mixing) shaft fixed connection agitator motor's output shaft, agitator motor's output shaft passes the lateral wall of quenching groove cell body, agitator motor sets up in the protective housing.

Furthermore, a sealing block for sealing is filled between the output shaft of the stirring motor and the through hole on the side wall of the quenching tank body. The protection box can play the effect that the protection agitator motor is not corroded the oxidation by the liquid of spill, sets up sealed piece and can avoid liquid to spill.

Furthermore, two vertical separation nets are fixedly arranged in the quenching tank body, and divide the interior of the quenching tank body into two stirring areas and a quenching area through the separation nets; the stirring devices comprise two sets and are positioned in the stirring areas at two ends of the quenching tank body; the lifting plate is lifted and moved in and above the quenching area.

Furthermore, the four corners of the bottom of the quenching tank body are provided with supporting legs, and the supporting legs are fixedly connected with the four corners of the bottom of the quenching tank body.

Further, set up a plurality of temperature sensor in the quenching groove cell body, the lateral wall upper portion of quenching groove cell body still is provided with temperature monitor, temperature sensor is connected with the temperature monitor electricity.

The technical scheme shows that the utility model has the following beneficial effects: according to the effective cooling quenching treatment device for the aluminum alloy castings, the lifting mechanism is arranged to more conveniently put the aluminum alloy castings into the quenching liquid for quenching, a plurality of aluminum alloy castings can be quenched at one time, the two groups of liquid spraying pipes simultaneously spray the quenching liquid to the aluminum alloy castings, the stirring shaft, the stirring rod and the helical blades are driven by the stirring motor to rotate, the quenching liquid in the quenching tank is stirred, the temperature of the quenching liquid is uniformly distributed, the quenching liquid circularly flows in the circulating pipeline through the circulating cooling assembly and is effectively cooled in the cooling water cavity, the temperature of the quenching liquid is controlled in two aspects, the temperature control is more effective, and the quenching quality of the aluminum alloy castings is improved.

Drawings

FIG. 1 is a schematic cross-sectional structure diagram of an aluminum anode quenching tank according to the utility model;

FIG. 2 is a schematic view of a top partial structure of an aluminum anode quenching tank according to the present invention;

fig. 3 is a schematic cross-sectional structure view of the circulation cooling assembly according to the present invention.

In the figure: the quenching device comprises a quenching tank body 1, a blocking net 10, a stirring area 11, a quenching area 12, a lifting mechanism 2, a transverse plate 20, a cylinder 21, a telescopic rod 23, a lifting plate 24, a hook 25, a circulating cooling assembly 3, a liquid outlet pipeline 31, a liquid inlet pipeline 32, a cooling cylinder 33, a circulating pump 34, a liquid spraying pipe 35, a control valve 36, a partition plate 37, a cooling water cavity 38, a cooling pipe 39, a stirring device 4, a stirring shaft 41, a stirring rod 42, a spiral blade 43, a stirring motor 44, a protection box 45, a sealing block 47, a temperature sensor 8 and a temperature display 9.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and 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 thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

The effective cooling quenching treatment device for the aluminum alloy castings shown in fig. 1-3 comprises a cuboid-shaped quenching tank body 1, a lifting mechanism 2 for the aluminum alloy castings and a circulating cooling assembly 3 arranged outside the quenching tank, wherein the quenching tank body 1 is filled with a quenching medium, the lifting mechanism 2 is arranged above the quenching tank and comprises a transverse plate 20, the bottom of the transverse plate 20 is fixedly connected with a cylinder 21, one end, far away from the transverse plate 20, of the cylinder 21 is in transmission connection with a telescopic rod 23, one end, far away from the cylinder 21, of the telescopic rod 23 is fixedly connected with a lifting plate 24, and the bottom end of the lifting plate 24 is fixedly connected with a plurality of hooks 25 for hanging the aluminum alloy castings; the bottom of quenching tank body 1 sets up agitating unit 4, and agitating unit 4 includes (mixing) shaft 41, (mixing) shaft 41 equidistant many puddlers 42 of installing, and the integral type is provided with helical blade 43 on the (mixing) shaft 41, (mixing) shaft 41 fixed connection agitator motor 44's output shaft, and agitator motor 44's output shaft passes the lateral wall of quenching tank body 1, and agitator motor 44 sets up in protection box 45. Elevating system's setting is more convenient to drop into the quenching liquid with the aluminum alloy foundry goods and is quenched, can once quench a plurality of aluminum alloy foundry goods, two sets of spray tubes are to aluminum alloy foundry goods blowout quenching liquid simultaneously, drive the (mixing) shaft through agitator motor, the puddler, helical blade rotates, stir the quenching liquid in the quenching groove, make the temperature distribution of quenching liquid even, through circulation cooling subassembly, make the quenching liquid circulate in the circulating line and flow, effectively cool down in cooling water cavity, the temperature of quenching liquid is controlled jointly in two aspects, make the accuse temperature more effective, and then improve the quenching quality of aluminum alloy foundry goods.

Wherein, circulation cooling subassembly 3 includes a liquid outlet pipe 31, a feed liquor pipeline 32 and a cooling section of thick bamboo 33, and liquid outlet pipe 31 and feed liquor pipeline 32 all communicate with quenching tank cell body 1, and the upper end of a cooling section of thick bamboo 33 is connected to the one end that quenching tank cell body 1 was kept away from to liquid outlet pipe 31, and circulating pump 34 is connected to the lower extreme of a cooling section of thick bamboo 33, and feed liquor pipeline 32 is connected to the liquid outlet of circulating pump 34, and 1 inner wall in quenching tank cell body sets up hydrojet 35, hydrojet 35 intercommunication feed liquor pipeline 32. A cooling water cavity 38 and a plurality of partition plates 37 are arranged in the cooling barrel 33, a cooling pipe 39 is arranged in the cooling water cavity 38 and between the partition plates in a roundabout mode from top to bottom, the upper end of the cooling pipe 39 penetrates through the upper end of the side wall of the cooling barrel 33 and is communicated with the liquid outlet pipeline 31, the lower end of the cooling pipe 39 penetrates through the lower end of the barrel body of the cooling barrel 33 and is communicated with a liquid inlet of the circulating pump 34, and circulating condensate water is introduced into the cooling water cavity 38. Wherein, the liquid outlet pipe 31 is arranged at the lower part of the side wall of the quenching tank body 1; the liquid inlet pipeline 32 is arranged at the upper part of the side wall of the quenching tank body 1, and sealing blocks are arranged between the liquid outlet pipeline 31 and the side wall of the quenching tank body 1 and between the liquid inlet pipeline 32 and the side wall of the quenching tank body 1. Control valves 36 are arranged on the liquid outlet pipeline 31 and the liquid inlet pipeline 32; the liquid inlet pipeline 32 comprises two liquid inlet branch circuits which penetrate through the quenching tank body 1 and are communicated with the liquid spraying pipe 35. A filter screen is arranged at one end of the liquid outlet pipeline extending into the quenching tank and used for filtering impurities in the quenching liquid.

In addition, a sealing block 47 for sealing is filled between the output shaft of the stirring motor 44 and the through hole on the side wall of the quenching tank body 1. The protection box can play the effect that the protection agitator motor is not corroded the oxidation by the liquid of spill, sets up sealed piece and can avoid liquid to spill.

Two vertical separation nets 10 are fixedly arranged in the quenching tank body 1, and the separation nets 10 separate the interior of the quenching tank body 1 into two stirring areas 11 and a quenching area 12; the stirring devices 4 comprise two sets and are positioned in the stirring areas 11 at the two ends of the quenching tank body 1; the lifter plate 24 is movable in a lifting motion within the quench zone 12 and above the quench zone 12.

And the four corners of the bottom of the quenching tank body 1 are provided with supporting legs, and the supporting legs are fixedly connected with the four corners of the bottom of the quenching tank body 1.

And a plurality of temperature sensors 8 are arranged in the quenching tank body 1, a temperature display 9 is also arranged on the upper part of the side wall of the quenching tank body 1, and the temperature sensors 8 are electrically connected with the temperature display 9.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides an effective cooling quenching treatment device of aluminum alloy casting which characterized in that: the quenching treatment device comprises a cuboid quenching tank body (1), an aluminum alloy casting lifting mechanism (2) and a circulating cooling assembly (3) arranged outside the quenching tank, quenching media are contained in the quenching tank body (1), the lifting mechanism (2) is arranged above the quenching tank and comprises a transverse plate (20), the bottom of the transverse plate (20) is fixedly connected with a cylinder (21), one end, far away from the transverse plate (20), of the cylinder (21) is in transmission connection with a telescopic rod (23), one end, far away from the cylinder (21), of the telescopic rod (23) is fixedly connected with a lifting plate (24), and the bottom end of the lifting plate (24) is fixedly connected with a plurality of hooks (25); circulation cooling subassembly (3) are including liquid pipeline (31), inlet channel (32) and a cooling section of thick bamboo (33), liquid pipeline (31) and inlet channel (32) all communicate with quenching groove cell body (1), the upper end of a cooling section of thick bamboo (33) is connected to the one end that quenching groove cell body (1) was kept away from in liquid pipeline (31), circulating pump (34) is connected to the lower extreme of a cooling section of thick bamboo (33), inlet channel (32) is connected to the liquid outlet of circulating pump (34), quenching groove cell body (1) inner wall sets up hydrojet pipe (35), hydrojet pipe (35) intercommunication inlet channel (32).

2. The apparatus for effective cool-down quenching treatment of aluminum alloy castings according to claim 1, characterized in that: set up cooling water cavity (38) and a plurality of baffle (37) in cooling section of thick bamboo (33), from the top down circuitous setting cooling pipe (39) between cooling water cavity (38) the baffle, the lateral wall upper end intercommunication liquid outlet pipe way (31) of cooling section of thick bamboo (33) is passed to the upper end of cooling pipe (39), the lower extreme of cooling pipe (39) passes the inlet of barrel lower extreme intercommunication circulating pump (34) of cooling section of thick bamboo (33), let in the circulation comdenstion water in cooling water cavity (38).

3. The apparatus for effective cool-down quenching treatment of aluminum alloy castings according to claim 2, characterized in that: the liquid outlet pipeline (31) is arranged at the lower part of the side wall of the quenching tank body (1); the liquid inlet pipeline (32) is arranged on the upper portion of the side wall of the quenching tank body (1), and sealing blocks are arranged between the liquid outlet pipeline (31) and the side wall of the quenching tank body (1) and between the liquid inlet pipeline (32) and the side wall of the quenching tank body (1).

4. The apparatus for effective cool-down quenching treatment of aluminum alloy castings according to claim 3, characterized in that: control valves (36) are arranged on the liquid outlet pipeline (31) and the liquid inlet pipeline (32); the liquid inlet pipeline (32) comprises two liquid inlet branch circuits, and the two liquid inlet branch circuits penetrate through the quenching tank body (1) to be communicated with the liquid spraying pipe (35).

5. The apparatus for effective cool-down quenching treatment of aluminum alloy castings according to claim 1, characterized in that: the bottom of quenching groove body (1) sets up agitating unit (4), agitating unit (4) include (mixing) shaft (41), equidistant many puddlers (42) of installing on (mixing) shaft (41), the integral type is provided with helical blade (43) on (mixing) shaft (41), the output shaft of (mixing) shaft (41) fixed connection agitator motor (44), the lateral wall of quenching groove body (1) is passed to the output shaft of agitator motor (44), agitator motor (44) set up in guard box (45).

6. The efficient cool-down quenching treatment apparatus for aluminum alloy castings according to claim 5, wherein: and a sealing block (47) for sealing is filled between the output shaft of the stirring motor (44) and the through hole in the side wall of the quenching tank body (1).

7. The efficient cool-down quenching treatment apparatus for aluminum alloy castings according to claim 5, wherein: two vertical blocking nets (10) are fixedly arranged in the quenching tank body (1), and the blocking nets (10) divide the interior of the quenching tank body (1) into two stirring areas (11) and a quenching area (12); the stirring devices (4) comprise two sets and are positioned in the stirring areas (11) at the two ends of the quenching tank body (1); the lifting plate (24) moves in a lifting manner in the quenching area (12) and above the quenching area (12).

8. The apparatus for effective cool-down quenching treatment of aluminum alloy castings according to claim 1, characterized in that: supporting legs are arranged at four corners of the bottom of the quenching tank body (1) and fixedly connected with the four corners of the bottom of the quenching tank body (1).

9. The apparatus for effective cool-down quenching treatment of aluminum alloy castings according to claim 1, characterized in that: a plurality of temperature sensors (8) are arranged in the quenching tank body (1), a temperature display (9) is further arranged on the upper portion of the side wall of the quenching tank body (1), and the temperature sensors (8) are electrically connected with the temperature display (9).