CN210966909U

CN210966909U - Automobile model die-casting forming equipment

Info

Publication number: CN210966909U
Application number: CN201921467937.4U
Authority: CN
Inventors: 胡厚富
Original assignee: Shenzhen Hongfu Mould Co Ltd
Current assignee: Shenzhen Hongfu Mould Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-07-10
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses an automobile model die-casting forming equipment, including support main part, electric cylinder and motor, the support main part includes from the top in proper order the first support, second support and third support that distribute, the utility model discloses a rotatable formula that sets up pushes down the shell structure, and after the die-casting operation is accomplished, accessible motor drives whole and pushes down the shell rotation, and when collocation cooling device used, the principle of utilizing metal expend with heat and contract with cold combines the effect of foundry goods self gravity simultaneously, accelerates the speed that the foundry goods breaks away from the mould automatically to improve automobile model's production efficiency to a certain extent; when the pressure casting machine is used for pressure casting, a cavity formed between the pressure casing and the pressure casting inner casing is closed, when the pressure casting machine is matched with a vacuum generator for use, the cavity of the pressure casting machine is vacuumized, and due to the fact that the vent holes are formed in the surface of the upper pressure casting inner casing in advance, redundant gas does not exist in the pressure casting inner cavity formed between the upper pressure casting inner casing and the lower pressure casting inner casing, and therefore the situation that bubbles are generated on the surface of a casting is avoided.

Description

Automobile model die-casting forming equipment

Technical Field

The utility model relates to a die casting process field, in particular to automobile model die-casting former.

Background

The die casting process is a process for unifying pressure, speed and time by using three major factors such as a machine, a die and an alloy, and is characterized in that high pressure is applied to molten metal by using an inner cavity of the die, the die is usually processed by using the alloy with higher strength, and the process is similar to injection molding.

When the automobile model is cast, a die-casting device is often used for die-casting and forming the automobile model, but the existing die-casting device cannot perform efficient automatic demolding operation, so that the production efficiency of the automobile model is influenced to a certain extent; meanwhile, in the die-casting process, a small amount of gas can exist in the die-casting inner cavity, and a small amount of bubbles can exist on the surface of a casting formed by die-casting, so that the quality of a product is influenced.

Accordingly, those skilled in the art have provided an automobile model die-casting molding apparatus to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an automobile model die-casting former can effectively solve the problem in the background art.

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

an automobile model die-casting forming device comprises a support main body, an electric cylinder and a motor, wherein the support main body comprises a first support, a second support and a third support which are sequentially distributed from top to bottom, the supports are connected through a support rod, the electric cylinder is arranged on the upper surface of the first support, a support plate is arranged between the first support and the second support and fixedly arranged at the bottom end of a piston rod matched with the electric cylinder through screws, the lower surface of the support plate is connected with an upper pressure shell through a connecting rod, an upper die-casting inner shell is movably arranged in the upper pressure shell, a vacuum generator is arranged on the upper surface of the upper pressure shell, a lower pressure shell is movably arranged in the second support, a rotating shaft matched with the motor is matched with centers on two sides of the lower pressure shell, a lower die-casting inner shell is fixedly arranged in the lower pressure shell, and a cooling device is mounted on the lower surface of the lower pressing shell.

Preferably, the surfaces of the four groups of supporting rods for connecting the first support and the second support are movably sleeved with first sliding blocks, and the first sliding blocks are connected with the surfaces of the upper pressure shells through connecting rods.

Preferably, the lower pressure shell and the upper pressure shell are in a position relation corresponding to each other up and down, the lower pressure shell takes a rotating shaft matched with the motor as a circle center, and the rotating angle is 0-360 degrees.

Preferably, the front side and the rear side of the surface of the lower pressing shell are symmetrically welded with second sliding blocks, a sliding groove is formed in the position, corresponding to the second sliding blocks, of the surface of the lower pressing shell, a switch is installed at the outlet end of the sliding groove in a matched mode, and the switch is connected with the cooling device through a conducting wire.

Preferably, go up and be connected through setting up the elastic component between the inner wall of die-casting inner shell and last pressure shell, be connected through setting up the spliced pole between the inner wall of pressure shell and the lower pressure shell down, under the pressfitting state, go up the cavity that forms between die-casting inner shell and the last pressure shell and the cavity that forms between pressure casting inner shell and the lower pressure shell communicates each other, and goes up one side through-going on the pressure shell surface and seted up the through-hole, and is connected through setting up the trachea between through-hole and the vacuum generator, the both ends of through-hole communicate with trachea and the cavity that forms between last die-casting inner shell and the last pressure shell each other respectively.

Preferably, electric cylinder and motor all pass through the wire with external control panel and are connected, and control panel's inside is supporting to be provided with P L C from programming control chip and touch-control screen.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model has the advantages that through the rotatable lower pressing shell structure, after the die casting operation is completed, the whole lower pressing shell can be driven to rotate by the motor, when the matched cooling device is used, the speed of the casting automatically separating from the die is accelerated by utilizing the principle of metal expansion and contraction and simultaneously combining the action of the gravity of the casting, so that the production efficiency of the automobile model is improved to a certain extent;

2. the utility model discloses when carrying out rotatory operation, through the supporting use of second slider and spout, make the lower pressure shell keep steady state when die-casting operation, when carrying out drawing of patterns operation, because the supporting switch that sets up in its spout, make cooling device can realize the automatic switch operation, reduce the use of the energy to a certain extent, reach energy-concerving and environment-protective effect;

3. the utility model discloses the upper and lower pressure shell that sets up uses with upper and lower die-casting inner shell is supporting, and when the die-casting operation, the cavity that forms between pressure shell and the die-casting inner shell is airtight, and when supporting vacuum generator used, to carrying out evacuation in the cavity of this part, because the air vent has been preset on last die-casting inner shell surface for do not have unnecessary gas in the die-casting inner cavity that forms between the upper and lower die-casting inner shell, thereby avoid the condition of casting surface gassing to take place.

Drawings

Fig. 1 is a front view of the overall structure of the present invention;

FIG. 2 is an assembly view between the upper and lower press shells of the present invention;

fig. 3 is an enlarged view of a partial structure of fig. 1 according to the present invention.

In the figure: 1. a first bracket; 2. a second bracket; 3. a third support; 4. an electric cylinder; 5. pressing the shell upwards; 6. pressing the shell downwards; 7. a motor; 8. a support plate; 9. a vacuum generator; 10. a first slider; 11. an upper die-casting inner shell; 12. an elastic member; 13. a through hole; 14. the inner shell is subjected to lower pressure casting; 15. a chute; 16. a second slider; 17. and a cooling device.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, an automobile model die-casting molding device comprises a bracket main body, an electric cylinder 4 and a motor 7, wherein the bracket main body comprises a first bracket 1, a second bracket 2 and a third bracket 3 which are sequentially distributed from top to bottom, the brackets are connected through a support rod, the electric cylinder 4 is arranged on the upper surface of the first bracket 1, a support plate 8 is arranged between the first bracket 1 and the second bracket 2, the support plate 8 is fixedly arranged at the bottom end of a piston rod matched with the electric cylinder 4 through a screw, the lower surface of the support plate 8 is connected with an upper pressure shell 5 through a connecting rod, an upper die-casting inner shell 11 is movably arranged in the upper pressure shell 5, a vacuum generator 9 is arranged on the upper surface of the upper pressure shell 5, a lower pressure shell 6 is movably arranged in the second bracket 2, a rotating shaft matched with the motor 7 is connected with the centers of two sides of the lower pressure shell 6, the lower pressure shell 6 is internally and fixedly provided with a lower die-cast inner shell 14, and a cooling device 17 is mounted on the lower surface of the lower pressure shell 6.

Referring to fig. 1, the surfaces of the four groups of supporting rods connecting the first bracket 1 and the second bracket 2 are movably sleeved with a first sliding block 10, and the first sliding block 10 is connected with the surface of the upper pressure shell 5 through a connecting rod.

Referring to fig. 1, the lower pressing shell 6 and the upper pressing shell 5 are in a corresponding up-down position relationship, and the lower pressing shell 6 rotates at an angle of 0-360 degrees with a rotating shaft matched with the motor 7 as a circle center.

Through adopting foretell technical scheme, set up the lower pressure shell 6 structure of rotatable formula, after the die-casting operation is accomplished, accessible motor 7 drives the whole shell 6 rotation of pushing down, and when collocation cooling device 17 used, the principle that utilizes metal expend with heat and contract with cold combines the effect of foundry goods self gravity simultaneously for the automatic speed that breaks away from the mould of foundry goods, thereby improved automobile model's production efficiency to a certain extent.

Referring to fig. 1 and 3, second sliders 16 are symmetrically welded to the front side and the rear side of the surface of the lower pressing shell 6, a sliding groove 15 is formed in the position, corresponding to the second slider 16, of the surface of the lower pressing shell 6, a switch is mounted at the outlet end of the sliding groove 15 in a matched manner, and the switch is connected with a cooling device 17 through a conducting wire.

Through adopting above-mentioned technical scheme, the lower pressure shell 6 that sets up is when carrying out rotatory operation, through the supporting use of second slider 16 and spout 15 for lower pressure shell 6 keeps steady state when die-casting operation, when carrying out drawing of patterns operation, because the supporting switch that sets up in its spout 15, makes cooling device 17 can realize the automatic switch operation, has reduced the use of the energy to a certain extent, reaches energy-concerving and environment-protective effect.

The switch mentioned above is an elastic opening-closing switch, and is pressed to keep the switch in an 'opening' state when the switch is contacted for the first time, and is in an 'closing' state when the switch is contacted again.

Referring to fig. 1 and 2, an upper die-casting inner shell 11 is connected with an inner wall of an upper pressure shell 5 through an elastic member 12, a lower die-casting inner shell 14 is connected with an inner wall of a lower pressure shell 6 through a connecting column, in a press-fit state, a cavity formed between the upper die-casting inner shell 11 and the upper pressure shell 5 and a cavity formed between the lower die-casting inner shell 14 and the lower pressure shell 6 are communicated with each other, a through hole 13 is formed in one side of the surface of the upper pressure shell 5 in a penetrating manner, the through hole 13 is connected with a vacuum generator 9 through an air pipe, and two ends of the through hole 13 are respectively communicated with the air pipe and the cavity formed between the upper die-casting inner shell 11 and the upper pressure shell 5.

Through adopting above-mentioned technical scheme, the upper and lower pressure shell and the upper and lower die-casting inner shell of setting are supporting to be used, and when the die-casting operation, the cavity that forms between pressure shell and the die-casting inner shell is airtight, and when supporting vacuum generator 9 was used, to carrying out evacuation processing in the cavity of this part, because the air vent has been preset on the 11 surfaces of last die-casting inner shell for do not have unnecessary gas in the die-casting inner cavity that forms between the upper and lower die-casting inner shell, thereby avoid the condition of foundry goods surface gassing to take place.

Electric cylinder 4 and motor 7 all pass through the wire with external control panel and are connected, and control panel's inside is supporting to be provided with P L C from programming control chip and touch-control screen.

A die-casting operation, namely, a touch screen in an external control panel is controlled, and at the moment, a P L C self-programming control chip in the control panel sends an instruction to the electric cylinder 4 according to a set program, so that the electric cylinder 4 drives the whole upper pressure shell 5 to move downwards through a matched piston rod, and the lower pressure shell 6 is kept static at the moment (in the process that the upper pressure shell 5 moves downwards, a first sliding block 10 slides on the surface of a support plate 8 arranged between the first support 1 and the second support 2 to play a limiting role, and the upper pressure shell 5 and the lower pressure shell 6 are ensured to be in a corresponding up-down relationship);

when the upper pressure shell 5 and the lower pressure shell 6 are pressed with each other, the upper pressure shell, the lower pressure shell and the upper die-cast inner shell are correspondingly attached to each other, so that a closed cavity is formed (the upper die-cast inner shell and the lower die-cast inner shell at the position are elastically compressed through the elastic part 12, and the upper die-cast inner shell and the lower die-cast inner shell are attached to each other under the action of the elastic recovery force of the elastic part 12), when the matched vacuum generator 9 is used, the through hole 13 is communicated with the closed cavity, and the sealed cavity can be vacuumized through connecting an air pipe; because the surface of the upper die-casting inner shell 11 is preset with the vent holes, redundant gas is not generated in the die-casting inner cavity formed between the upper die-casting inner shell and the lower die-casting inner shell, and the condition that bubbles are generated on the surface of a casting is avoided.

Demoulding operation: after the die-casting operation is finished, under the control of a control panel (the control flow is the same as the principle of the die-casting operation, and redundant description is omitted here), the motor 7 is controlled to be started, the whole lower pressure shell 6 is driven to rotate counterclockwise by 360 degrees through a matched rotating shaft, when the lower pressure shell 6 rotates, the second sliding block 16 slides in the sliding groove 15, and due to the switch arranged in the sliding groove 15 in a matched mode, when the second sliding block 16 contacts the switch, the cooling device 17 is automatically started to cool the lower surface of the lower pressure shell 6; when the cooling device 17 is matched for use, the principle of expansion with heat and contraction with cold of metal is utilized, and the action of the gravity of the casting is combined at the same time, so that the speed of the casting automatically separating from the die can be increased, and the production efficiency of the automobile model is improved to a certain extent.

Collecting operation: after the demolding operation is finished, the processed automobile model falls on the surface of the third support 3, and the worker performs final collection processing on the automobile model.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automobile model die-casting former, includes support main part, electric cylinder (4) and motor (7), its characterized in that: the support main body comprises a first support (1), a second support (2) and a third support (3) which are sequentially distributed from top to bottom, the supports are connected through supporting rods, an electric cylinder (4) is installed on the upper surface of the first support (1), a supporting plate (8) is arranged between the first support (1) and the second support (2), the supporting plate (8) is fixedly installed at the bottom end of a piston rod matched with the electric cylinder (4) through screws, the lower surface of the supporting plate (8) is connected with an upper pressure shell (5) through a connecting rod, an upper die-casting inner shell (11) is movably arranged in the upper pressure shell (5), a vacuum generator (9) is installed on the upper surface of the upper pressure shell (5), a lower pressure shell (6) is movably arranged in the second support (2), a rotating shaft matched with a motor (7) is matched with centers on two sides of the lower pressure shell (6), the inside of the lower pressing shell (6) is fixedly provided with a lower die-casting inner shell (14), and the lower surface of the lower pressing shell (6) is provided with a cooling device (17).

2. The die-casting molding apparatus for automobile models according to claim 1, characterized in that: the surfaces of the four groups of supporting rods of the first support (1) and the second support (2) are movably sleeved with a first sliding block (10), and the first sliding block (10) is connected with the surface of the upper pressure shell (5) through a connecting rod.

3. The die-casting molding apparatus for automobile models according to claim 1, characterized in that: the lower pressure shell (6) and the upper pressure shell (5) are in a position relation corresponding to each other up and down, the lower pressure shell (6) takes a rotating shaft matched with the motor (7) as a circle center, and the rotating angle is 0-360 degrees.

4. The die-casting molding apparatus for automobile models according to claim 1, characterized in that: the front side and the rear side of the surface of the lower pressing shell (6) are symmetrically welded with second sliding blocks (16), sliding grooves (15) are formed in the positions, corresponding to the second sliding blocks (16), of the surface of the lower pressing shell (6), the outlet ends of the sliding grooves (15) are matched with each other to be provided with a switch, and the switch is connected with a cooling device (17) through a wire.

5. The die-casting molding apparatus for automobile models according to claim 1, characterized in that: go up die-casting inner shell (11) and last press and be connected through setting up elastic component (12) between the inner wall of shell (5), be connected through setting up the spliced pole between the inner wall of lower die-casting inner shell (14) and lower pressure shell (6), under the pressfitting state, go up the cavity that forms between die-casting inner shell (11) and the last pressure shell (5) and the cavity that forms between die-casting inner shell (14) and lower pressure shell (6) intercommunication each other down, and go up one side through-type on pressure shell (5) surface and seted up through-hole (13), and be connected through setting up the trachea between through-hole (13) and vacuum generator (9), the both ends of through-hole (13) communicate with the trachea respectively and last die-casting inner shell (11) and the cavity that forms between last pressure shell (5) each other.

6. The automobile model die-casting molding equipment according to claim 1, wherein the electric cylinder (4) and the motor (7) are connected with an external control panel through wires, and a P L C self-programming control chip and a touch screen are arranged inside the control panel in a matched manner.