CN219112845U

CN219112845U - Injection pressurizing device of magnesium alloy semi-solid forming machine

Info

Publication number: CN219112845U
Application number: CN202223400852.9U
Authority: CN
Inventors: 汪阳
Original assignee: Suzhou Magnesium Rui Electronic Technology Co ltd
Current assignee: Suzhou Magnesium Rui Electronic Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-02
Anticipated expiration: 2032-12-19

Abstract

The utility model belongs to the technical field of magnesium alloy processing, and particularly relates to an injection pressurizing device of a magnesium alloy semi-solid forming machine, which comprises a base, a box body, a conveying cylinder, a heating component, a piston plate, a mold and a driving motor, wherein the box body and the mold are fixedly arranged on the top side of the base, the conveying cylinder is fixedly arranged in the box body, one end of the conveying cylinder is communicated with the mold, a feeding pipe is fixedly arranged on the box body and is communicated with the conveying cylinder, the heating component is arranged in the box body and is connected with the feeding pipe, and the driving motor is fixedly arranged on one side of the box body. The utility model has reasonable design and simple structure, can stir and convey the materials entering the conveying cylinder, and can simultaneously carry out direct injection and pressurization operation on the magnesium alloy products in the die, thereby improving the compactness of the magnesium alloy products and avoiding the conditions of reverse overflow and cooling solidification of the materials in the feeding pipe.

Description

Injection pressurizing device of magnesium alloy semi-solid forming machine

Technical Field

The utility model relates to the technical field of magnesium alloy processing, in particular to an injection pressurizing device of a magnesium alloy semi-solid forming machine.

Background

The magnesium alloy product is mainly produced by adopting a die casting machine, a magnesium alloy semi-solid forming machine and other matched dies. The magnesium alloy semi-solid forming machine can produce semi-solid magnesium alloy products, and usually at the moment when the magnesium alloy semi-solid injection forming is finished, an extra pressure needs to be rapidly applied to the inside of the die so as to play a role in solidification and feeding of magnesium alloy metal, so that the produced products have compact internal tissues and high strength, and can completely meet the requirements of the fields of automobiles, communication and the like. Meanwhile, the screw and the injection piston need to be rotated and stirred due to the requirement of magnesium alloy semi-solid slurry preparation.

The prior patent of the patent publication No. CN 213794131U discloses an injection pressurizing device of a magnesium alloy semi-solid forming machine, which can enable the produced magnesium alloy product to be compact in interior, high in strength, high in surface precision, better in stability and higher in reliability, but the prior patent is researched and found that the injection pressurizing device of the magnesium alloy semi-solid forming machine can be used for solving the problems by arranging a pressurizing control valve, a pressurizing energy accumulator, a pressurizing oil cylinder and a pressurizing piston to be matched when pressurizing, and meanwhile, a material inlet is not provided with an anti-overflow measure, and the material is easy to overflow when the injection pressurizing is carried out.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides an injection pressurizing device of a magnesium alloy semi-solid forming machine.

The technical aim of the utility model is realized by the following technical scheme: an injection pressurizing device of a magnesium alloy semi-solid forming machine comprises a base, a box body, a conveying cylinder, a heating assembly, a piston plate, a die and a driving motor;

the box body and the die are fixedly arranged on the top side of the base, the conveying cylinder is fixedly arranged in the box body, one end of the conveying cylinder is communicated with the die, the box body is fixedly provided with a feeding pipe which is communicated with the conveying cylinder, the heating assembly is arranged in the box body, and the heating assembly is connected with the feeding pipe;

the driving motor is fixedly arranged on one side of the box body, the driving shaft is rotatably arranged in the conveying cylinder, the spiral conveying roller is fixedly sleeved on the driving shaft, and one end of the driving shaft is axially and fixedly connected with the output shaft of the driving motor;

the piston plate is arranged in the conveying cylinder in a sealing sliding manner, the piston plate is in movable sealing contact with the outer side of the driving shaft, a guide piece is arranged in the conveying cylinder and connected with the piston plate, the box body and the conveying cylinder are fixedly provided with the same air cylinder, and the working end of the air cylinder is fixedly connected with the piston plate.

Preferably, the heating assembly comprises an electric heater and an electric heating tube, the electric heater is fixedly arranged at the top of the inner wall of one side of the box body, the electric heating tube is arranged on the electric heater, and the electric heating tube is spirally and fixedly arranged at the outer side of the feeding tube.

Preferably, the guide piece comprises a guide rod and a sliding sleeve, the piston plate is fixedly provided with the sliding sleeve, the inner wall of one side of the conveying cylinder is fixedly provided with the guide rod, and the sliding sleeve is hermetically and slidably arranged on the outer side of the guide rod.

Preferably, the inner wall of the conveying cylinder is fixedly provided with a semi-ring, the guide rod is fixedly connected with the semi-ring, and the semi-ring is rotationally connected with the driving shaft.

Preferably, the air exchanging pipe is fixedly arranged on the conveying cylinder and is positioned on the right side of the piston plate.

Preferably, a control valve is fixedly arranged on the feeding pipe.

The beneficial effects of the utility model are as follows: according to the utility model, the magnesium alloy material which is processed to be semi-solid is filled into the conveying cylinder through the feeding pipe, and is stirred and conveyed under the action of the driving motor, the driving shaft and the spiral conveying roller, so that the magnesium alloy material can be filled into the die, then the feeding pipe is sealed through the control valve, and then the piston plate is controlled to be pressurized through the air cylinder, so that the compactness of a magnesium alloy product in the die can be effectively improved, meanwhile, the material in the feeding pipe can be prevented from reversely overflowing in the injection and pressurization process under the cooperation of the control valve, and the phenomenon that the semi-solid magnesium alloy in the feeding pipe in the injection and pressurization gap cannot be cooled and solidified can be ensured under the action of the heating component.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a perspective structure of an injection pressurizing device of a magnesium alloy semi-solid forming machine;

FIG. 2 is a schematic cross-sectional view of an injection pressurizing device of a magnesium alloy semi-solid forming machine according to the present utility model;

fig. 3 is a schematic structural diagram of a portion a of an injection pressurizing device of a magnesium alloy semi-solid forming machine.

In the figure: 1. a base; 2. a case; 3. a delivery cylinder; 31. a feeding tube; 32. a control valve; 33. an air exchanging pipe; 4. an electric heater; 41. an electric heating tube; 5. a driving motor; 51. a drive shaft; 52. a screw conveying roller; 6. a piston plate; 61. a guide rod; 62. a sliding sleeve; 63. a half ring; 64. a cylinder; 7. and (5) a mold.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1-3, an injection pressurizing device of a magnesium alloy semi-solid forming machine comprises a base 1, a box body 2, a conveying cylinder 3, a piston plate 6, a die 7 and a driving motor 5, wherein the box body 2 and the die 7 are fixedly arranged on the top side of the base 1, the conveying cylinder 3 is fixedly arranged in the box body 2, one end of the conveying cylinder 3 is communicated with the die 7, a feeding pipe 31 is fixedly arranged on the box body 2, the feeding pipe 31 is communicated with the conveying cylinder 3, an electric heater 4 is fixedly arranged on the top of one side inner wall of the box body 2, an electric heating tube 41 is arranged on the electric heater 4, the electric heating tube 41 is spirally and fixedly arranged on the outer side of the feeding pipe 31, the magnesium alloy material in the feeding pipe 31 can be heated, so that the situation of magnesium alloy cooling can occur in a gap for injection pressurizing, the driving motor 5 is fixedly arranged on one side of the box body 2, the driving shaft 51 is rotatably installed on the conveying cylinder 3, the spiral conveying roller 52 is fixedly sleeved on the driving shaft 51, one end of the driving shaft 51 is axially and fixedly connected with the output shaft of the driving motor 5, the piston plate 6 is hermetically and slidably installed in the conveying cylinder 3, the piston plate 6 is movably and hermetically contacted with the outer side of the driving shaft 51, the sliding sleeve 62 is fixedly installed on the piston plate 6, the guide rod 61 is fixedly installed on the inner wall of one side of the conveying cylinder 3, the sliding sleeve 62 is hermetically and slidably installed on the outer side of the guide rod 61 and can guide the piston plate 6, the semi-ring 63 is fixedly installed on the inner wall of the conveying cylinder 3, the guide rod 61 is fixedly connected with the semi-ring 63, the semi-ring 63 is rotationally connected with the driving shaft 51 and can provide support for the guide rod 61, so that the stable work can be kept, the same air cylinder 64 is fixedly installed on the box body 2 and the conveying cylinder 3, and the working end of the cylinder 64 is fixedly connected with the piston plate 6.

In this embodiment, the ventilation tube 33 is fixedly mounted on the delivery cylinder 3, and the ventilation tube 33 is located on the right side of the piston plate 6, so that the air pressure balance can be maintained in the space on the right side of the piston plate 6 in the delivery cylinder 3.

In this embodiment, the control valve 32 is fixedly installed on the feeding tube 31, so that the feeding tube 31 can be closed after the feeding is completed, and thus, the situation that the material reversely overflows from the feeding tube 31 when the piston plate 6 is pushed leftwards can be avoided.

The related circuits, electronic components, modules and the like are all implemented by the prior art, and the related circuits, electronic components, modules and the like can be completely implemented by those skilled in the art, so that the protection content of the application does not relate to the improvement of software, cables and methods.

Working principle: when the magnesium alloy feeding device is used, firstly, a power supply is switched on, the magnesium alloy which is heated to be semi-solid state is conveyed into the conveying cylinder 3 from the feeding pipe 31, meanwhile, the driving motor 5 is started, the driving motor 5 controls the spiral conveying roller 52 through the driving shaft 51 to stir the magnesium alloy and convey the magnesium alloy to the left into the die 7, after the magnesium alloy is fed, the feeding pipe 31 is closed through the control valve 32, then the piston plate 6 is controlled to slide to the left through the air cylinder 64, so that the semi-solid state magnesium alloy in the die 7 can be pressurized, the compactness of the semi-solid state magnesium alloy is effectively improved, after the pressurization is finished, the piston plate 6 is controlled to move to the right through the air cylinder 64, the space on the right side of the piston plate 6 in the conveying cylinder 3 can be kept in air pressure balance under the action of the air exchanging pipe 33, and the rest materials in the feeding pipe 31 are heated through the electric heater 4 matched with the electric heating pipe 41 in a gap of injection pressurization, and the situation that the semi-solid state magnesium alloy is cooled and solidified in the feeding pipe 31 can be avoided.

The injection pressurizing device of the magnesium alloy semi-solid forming machine provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The injection pressurizing device of the magnesium alloy semi-solid forming machine is characterized by comprising a base (1), a box body (2), a conveying cylinder (3), a heating assembly, a piston plate (6), a die (7) and a driving motor (5);

the box body (2) and the die (7) are fixedly arranged on the top side of the base (1), the conveying cylinder (3) is fixedly arranged in the box body (2), one end of the conveying cylinder (3) is communicated with the die (7), the box body (2) is fixedly provided with a feeding pipe (31), the feeding pipe (31) is communicated with the conveying cylinder (3), the heating assembly is arranged in the box body (2), and the heating assembly is connected with the feeding pipe (31);

the driving motor (5) is fixedly arranged on one side of the box body (2), the conveying cylinder (3) is rotatably provided with a driving shaft (51), a spiral conveying roller (52) is fixedly sleeved on the driving shaft (51), and one end of the driving shaft (51) is axially and fixedly connected with an output shaft of the driving motor (5);

the piston plate (6) is arranged in the conveying cylinder (3) in a sealing sliding manner, the piston plate (6) is in movable sealing contact with the outer side of the driving shaft (51), a guide piece is arranged in the conveying cylinder (3) and connected with the piston plate (6), the box body (2) and the conveying cylinder (3) are fixedly provided with the same air cylinder (64), and the working end of the air cylinder (64) is fixedly connected with the piston plate (6).

2. The injection pressurizing device of the magnesium alloy semi-solid forming machine according to claim 1, wherein the injection pressurizing device comprises the following components: the heating assembly comprises an electric heater (4) and an electric heating tube (41), the electric heater (4) is fixedly arranged at the top of the inner wall of one side of the box body (2), the electric heating tube (41) is arranged on the electric heater (4), and the electric heating tube (41) is spirally and fixedly arranged on the outer side of the feeding tube (31).

3. The injection pressurizing device of the magnesium alloy semi-solid forming machine according to claim 1, wherein the injection pressurizing device comprises the following components: the guide piece comprises a guide rod and a sliding sleeve (62), the sliding sleeve (62) is fixedly arranged on the piston plate (6), the guide rod is fixedly arranged on the inner wall of one side of the conveying cylinder (3), and the sliding sleeve (62) is hermetically and slidably arranged on the outer side of the guide rod.

4. The injection pressurizing device of the magnesium alloy semi-solid forming machine according to claim 1, wherein the injection pressurizing device comprises the following components: the inner wall of the conveying cylinder (3) is fixedly provided with a semi-ring (63), the guide rod is fixedly connected with the semi-ring (63), and the semi-ring (63) is rotationally connected with the driving shaft (51).

5. The injection pressurizing device of the magnesium alloy semi-solid forming machine according to claim 1, wherein the injection pressurizing device comprises the following components: an air exchanging pipe (33) is fixedly arranged on the conveying cylinder (3), and the air exchanging pipe (33) is positioned on the right side of the piston plate (6).

6. The injection pressurizing device of the magnesium alloy semi-solid forming machine according to claim 1, wherein the injection pressurizing device comprises the following components: and a control valve (32) is fixedly arranged on the feeding pipe (31).