CN217512834U

CN217512834U - Novel magnesium alloy pouring constant delivery pump

Info

Publication number: CN217512834U
Application number: CN202123297210.6U
Authority: CN
Inventors: 肖世东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-30
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a novel magnesium alloy pouring constant delivery pump, including disc base, rotating connecting rod, valve body, run through on the disc base and support the cover, support the upper end of cover and install the fixed frame of motor, install the motor in the fixed frame of motor, support the inside hoist mechanism that is equipped with of cover, hoist mechanism pass through the shaft coupling with the output of motor is connected, the inside of valve body is equipped with axial compressor rotor. This novel magnesium alloy pouring constant delivery pump is impressed the liquation from bottom to top and is gone up the liquid pipeline and pour, it is fast to go out liquid, pouring time is extremely short, the flow is invariable, can not produce the end sediment and inhale, can better horizontal transfer magnesium alloy melt, overcome the oxidation probability of magnesium alloy melt in the pipeline, realize quick accurate ration notes material, it is fast to have a liquid speed, pouring time is short, the flow is big and invariable, do not receive the liquid level drop influence, prevent effectively that end sediment from inhaling etc. advantages, and rational in infrastructure science, use the simple operation, whole sexual valence relative ratio is higher.

Description

Novel magnesium alloy pouring constant delivery pump

Technical Field

The utility model belongs to the technical field of the metallurgical casting technique and specifically relates to a novel magnesium alloy pouring constant delivery pump.

Background

Along with the wide application of various alloy materials, the deep processing quality and the process requirement of the magnesium alloy are higher and higher, and the quality and the manufacturability of a magnesium alloy die casting are difficult to improve because technical equipment in the melting, pouring and transferring processes of the magnesium alloy is laggard. In addition, magnesium alloy is active in high-temperature chemical property, easy to oxidize and burn, and is easy to cause safety accidents such as splashing explosion and the like if the magnesium alloy is slightly improper. At present, when magnesium alloy is poured, a pump body is roughly divided into several forms such as a blade, a screw rod and a centrifuge, the working process of the pump is a process of pumping and lifting molten liquid from bottom to top through the pump, and the following defects exist when the several modes are used for pouring the magnesium alloy: firstly, pouring quantitative accuracy is unstable, the quantity value of lifting the melt through pumping directly receives melt temperature, liquid level height direct influence notes material precision, causes the pouring quantity not easily to control, and useless increase of technology material and quality control variation: slag in the molten liquid is not easy to separate, and bottom slag in the molten liquid is easy to be sucked in by a pump in the pumping process, so that the material pipeline is blocked, and the workpiece has the defect of slag inclusion; thirdly, the existing pouring pump has the problems of poor operation safety, difficult maintenance and high maintenance cost; fourthly, most of the pouring is carried out by adopting slope downflow, and the height of the furnace body is increased. The phenomenon of backflow cannot be stopped by horizontal pouring, so that accurate quantification cannot be realized. Thereby bringing about a great deal of potential safety hazards such as operation, maintenance, collapse and the like.

Therefore, a novel magnesium alloy casting quantitative pump is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel magnesium alloy pouring constant delivery pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel magnesium alloy pouring constant delivery pump comprises a disc base, a rotary connecting rod and a valve body, wherein a supporting sleeve penetrates through the disc base, a motor fixing frame is installed at the upper end of the supporting sleeve, a motor is installed in the motor fixing frame, a lifting mechanism is arranged in the supporting sleeve and is connected with the output end of the motor through a coupler, an axial flow rotor is arranged in the valve body,

the bottom of the disc base is provided with a pump cylinder, the upper end of the pump cylinder is butted with the bottom end of the supporting sleeve, the bottom end of the pump cylinder is fixedly connected with the valve body,

a liquid inlet hole is arranged on the pump cylinder,

and the bottom of the valve body is provided with an overflow hole.

In a further embodiment, the valve body has a scoop-shaped housing with a cylindrical cavity at the head and a flow passage in the shank, which flow passage is in flow communication with the flow passage elbow cavity.

In a further embodiment, a flow channel elbow is arranged on the valve body, the upper end of the flow channel elbow is connected with a liquid lifting pipeline, the outlet end of the liquid lifting pipeline is connected with a horizontal material pipe, and the outlet end of the horizontal material pipe is connected with a pouring nozzle.

In a further embodiment, a heat-insulating protective cover is arranged outside the horizontal material pipe, and a heater and a thermocouple are mounted on the heat-insulating protective cover.

In a further embodiment, the axial flow rotor is comprised of an inner cylinder, an outer cylinder, and blades.

In a further embodiment, the outer cylindrical barrel wall has a certain inclination.

In a further embodiment, the rotating link disc base is connected at its lower end to an axial flow rotor within the valve body and at its upper end to a lifting mechanism.

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

this novel magnesium alloy pouring constant delivery pump impresses liquation from bottom to top and rises the liquid pipeline and pour into a mould, it is fast to go out liquid speed, the pouring time is extremely short, the flow is invariable, can not produce the end sediment and inhale, can better horizontal transfer magnesium alloy melt, overcome the oxidation probability of magnesium alloy melt in the pipeline, realize quick accurate ration notes material, it is fast to have a liquid speed, pouring time is short, the flow is big and invariable, do not receive the liquid level drop influence, prevent advantages such as end sediment suction effectively, and rational in infrastructure science, convenient use and operation, whole sexual valence relative ratio is higher, safety and reliability are stable, be convenient for maintain, effectual solution is firstly, pouring quantitative precision is unstable, the quantity value that promotes liquation through the suction directly receives liquation temperature, the liquid level height directly influences notes material precision, cause the pouring volume wayward control, the useless increase of technology material and quality control variation: secondly, slag in the molten liquid is not easy to separate, and bottom slag in the molten liquid is easy to be sucked in by a pump in the pumping process, so that the material pipeline is blocked, and the workpiece has the defect of slag inclusion; thirdly, the existing pouring pump has the problems of poor operation safety, difficult maintenance and high maintenance cost; fourthly, most of the pouring is carried out by adopting slope downflow, and the height of the furnace body is increased. The horizontal pouring is adopted instead, and the backflow phenomenon cannot be stopped, so that the defects of incapability of realizing accurate quantification and the like are caused.

Drawings

FIG. 1 is a schematic structural view of the novel casting constant delivery pump assembly;

FIG. 2 is a schematic view of the internal structure of the novel casting constant delivery pump;

FIG. 3 is a schematic view of another view angle of the interior of the novel casting quantitative pump;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the figure: 1. a motor; 2. the motor fixes the frame; 3. a lifting mechanism; 4. a coupling; 5. a support sleeve; 6. a disc base; 7. rotating the connecting rod; 8. a pump barrel; 9. a liquid inlet hole; 10. an axial flow rotor; 101. an inner cylindrical tube; 102. an outer cylindrical barrel; 103. a blade; 11. a valve body; 12. an overflow aperture; 13. a flow channel; 14. A flow channel elbow; 15. a riser pipe; 16. a horizontal material pipe; 17. a pouring nozzle; 18. a heater; 19. A thermocouple; 20. a heat preservation protective cover.

Detailed Description

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, which are schematic views of the casting constant delivery pump assembly according to the present invention, and the principle structure of the whole constant delivery pump. The utility model discloses a disc base 6, rotating connecting rod 7, valve body 11, be equipped with motor fixed frame 2 on the disc base 6, be equipped with the hoist mechanism 3 of connecting motor 1 on the rotating connecting rod 7, be equipped with shaft coupling 4 on the 1 output shaft of motor, 6 bottoms of disc base are equipped with

pump barrel

8, 6 lower part support covers 5 and be connected 8 fixed connection of pump barrel with disc base 6 are located to valve body 11, be equipped with feed liquor hole 9 on the pump barrel 8, be equipped with hydrojet elbow 14 on the valve body 11, the disc base 6 is stretched out to the 15 exit ends of liquid pipeline that rises, be equipped with axial compressor rotor 10 in the valve body 11, rotating connecting rod 7 passes disc base 6, its lower extreme is connected with axial compressor rotor 10 in the valve body 11, the upper end is connected with hoist mechanism 3.

Referring to fig. 1-3, the valve body 11 of the present invention is a spoon-shaped housing, the head portion of the valve body is provided with a cylindrical cavity, the handle portion is provided with a flow channel 13, a flow channel elbow 14 is communicated with the flow channel 13, the axial flow rotor 10 is disposed in the cavity of the valve body 11, the liquid lifting pipe 15 is communicated with the flow channel elbow 14, the liquid spraying bend is provided with a cylindrical outer ring of the axial flow rotor 10, and the bottom of the valve body 11 and the corresponding cavity are provided with overflow holes 12.

When the motor 1 rotates, the lifting mechanism 3 lifts the axial flow rotor 10 through the rotating connecting rod 7, liquid enters the liquid spraying pipe from the flow channel of the valve body 11 through the extrusion of the axial flow rotor 10, and then magnesium alloy liquid is output. When the motor 1 stops rotating, the rotary connecting rod 7 and the axial flow rotor 10 automatically fall down, the outer cylindrical barrel 102 of the axial flow rotor 10 seals the flow channel of the valve body 11 and controls the backflow of the magnesium alloy liquid, and therefore the purpose of gap controllable accurate quantification is achieved.

Referring to fig. 1-3, in order to provide the liquid-feeding and material-injecting device of the novel pouring constant delivery pump, magnesium liquid is fed into a horizontal material pipe 16 through a liquid-lifting pipeline 15, and is injected into a pressure chamber of a die casting machine through a pouring nozzle 17 to complete the magnesium alloy pouring constant delivery process, and a constant temperature heater 1,8, a thermocouple 19 and a heat-preserving protective cover 20 are provided to ensure the process temperature of the magnesium alloy liquid.

Referring to fig. 4, the axial flow rotor 10 of the present invention includes an inner cylindrical tube 101 and an outer cylindrical tube 102 with different diameters, wherein 3 blades 103 are disposed between the outer diameter and the inner diameter of the two tubes, the wall of the outer cylindrical tube 102 has a slope, and the outer cylindrical tube 102 functions to block the liquid from flowing back.

The utility model is suitable for a magnesium alloy molten liquid is continuous and is interrupted ration casting work piece and magnesium ingot, also can use with magnesium alloy heat preservation stove combination, in operation, the disc base 6 is fixed in the ejection of compact of molten bath or crucible can, make the valve body 11 that is located disc base 6 below dip in the molten liquid, during the pouring, start motor 1, motor 1 drives rotatory connecting rod 7 through hoist mechanism 3 and drives axial compressor rotor 10 and rotate, under the thrust effect of blade 103 on axial compressor rotor 10, force the molten metal to gush into valve body 11 cavity fast, through the runner 13, hydrojet head 14 gets into stalk 15 at the uniform velocity, pour into the pressure-chamber of die casting machine through horizontal material pipe 16 and pouring nozzle 17, realize accurate ration pouring, for axial compressor rotor 10 does the upper and lower separation and reunion, be equipped with automatic hoist mechanism 3 on rotatory connecting rod 7, be used for rotatory connecting rod 7 can separate and reunion freely from each other at a high speed in rotatory in-process, so as to improve the working stability of the alloy pouring quantitative pump; when the machine is stopped for cleaning, in order to ensure that the valve body 11 and the axial flow rotor 10 are not ablated and damaged by high-temperature molten liquid, the residual magnesium liquid can automatically flow out of the residual magnesium liquid in the valve shell through the overflow hole 12 when the rotary connecting rod 7 is taken out; in order to prevent the melt from flowing back when the gap stops, the outer diameter of the axial flow rotor 10 is matched with the valve body 11 at a certain inclination, so that the accurate precision of quantification is ensured.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a novel magnesium alloy pouring constant delivery pump, includes disc base (6), rotating connecting rod (7), valve body (11), its characterized in that: a supporting sleeve (5) penetrates through the disc base (6), a motor fixing rack (2) is installed at the upper end of the supporting sleeve (5), a motor (1) is installed in the motor fixing rack (2), a lifting mechanism (3) is arranged in the supporting sleeve (5), the lifting mechanism (3) is connected with the output end of the motor (1) through a coupler (4), an axial flow rotor (10) is arranged in the valve body (11),

the bottom of the disc base (6) is provided with a pump cylinder (8), the upper end of the pump cylinder (8) is butted with the bottom end of the support sleeve (5), the bottom end of the pump cylinder (8) is fixedly connected with the valve body (11),

a liquid inlet hole (9) is arranged on the pump cylinder (8),

a flow channel elbow (14) is arranged on the valve body (11),

the bottom of the valve body (11) is provided with an overflow hole (12).

2. The novel magnesium alloy casting quantitative pump of claim 1, which is characterized in that: the valve body (11) is a spoon-shaped shell, the head of the valve body is provided with a cylindrical cavity, the handle of the valve body is internally provided with a flow channel (13), and the flow channel (13) is communicated with the cavity of the flow channel elbow (14).

3. The novel magnesium alloy casting quantitative pump of claim 1, which is characterized in that: the upper end of the runner elbow (14) is connected with a liquid lifting pipeline (15), the outlet end of the liquid lifting pipeline (15) is connected with a horizontal material pipe (16), and the outlet end of the horizontal material pipe (16) is connected with a pouring nozzle (17).

4. A novel magnesium alloy casting quantitative pump according to claim 3, characterized in that: the outside of horizontal material pipe (16) is equipped with heat preservation protection casing (20), install heater (18) and thermocouple (19) on the heat preservation protection casing (20).

5. The novel magnesium alloy casting quantitative pump of claim 1, which is characterized in that: the axial flow rotor (10) is composed of an inner cylindrical barrel (101), an outer cylindrical barrel (102) and blades (103).

6. The novel magnesium alloy casting quantitative pump of claim 5, which is characterized in that: the wall of the outer cylindrical barrel (102) has a certain inclination.

7. The novel magnesium alloy casting quantitative pump of claim 1, which is characterized in that: the lower end of the rotary connecting rod (7) and the disc base (6) are connected with an axial flow rotor (10) in the valve body (11), and the upper end of the rotary connecting rod is connected with the lifting mechanism (3).