CN216992721U

CN216992721U - Mould convenient to drawing of patterns

Info

Publication number: CN216992721U
Application number: CN202123310248.2U
Authority: CN
Inventors: 李晨曦; 陈钱粮
Original assignee: Huizhou Shenma Die Co ltd
Current assignee: Huizhou Shenma Die Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-19
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a die convenient for demoulding, which belongs to the technical field of dies and comprises a workbench, an upper die base, a lower die base and a die cavity, wherein the bottom end in the die cavity is provided with an ejector plate, the ejector plate is provided with an ejector assembly, the workbench is provided with a pressurizing assembly, four corners of the lower surface of the ejector plate are fixedly connected with positioning columns, and the bottom end in the die cavity is provided with second positioning grooves relative to the positions of the four positioning columns; through setting up ejecting subassembly and pressurization subassembly, can be when carrying out the drawing of patterns, upwards slowly push up the mould earlier through the liftout plate, then to the inboard injected gas of mould and liftout plate to make its inside pressure increase, in this be convenient for ejecting the mould, and can not cause the damage to the mould, great increase the practicality of device, solved current mould and can lead to the mould to take place the problem of damage when taking out the mould.

Description

Mould convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of dies, in particular to a die convenient to demould.

Background

The mould refers to various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and the processing of the appearance of an article is realized mainly by changing the physical state of a formed material.

The existing mould still has certain defects when in use, such as:

when the existing mold is used for demolding, the mold is firmly adsorbed in the mold groove due to the fact that air pressure between the mold and the inner side of the mold groove is too low, and if the mold is taken out forcibly, the mold can be damaged, and rapid demolding cannot be conducted.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a die convenient for demolding, which has the characteristic of being capable of pressurizing the inner side of a die so as to eject the die, thereby achieving the purpose of rapid demolding.

In order to realize the purpose, the utility model provides the following technical scheme:

the utility model provides a mould convenient to drawing of patterns, includes workstation, upper die base, die holder and die cavity, the inside bottom of die cavity is provided with the liftout plate, be provided with ejecting subassembly on the liftout plate, be provided with the pressure subassembly on the workstation, the equal fixedly connected with reference column in liftout plate lower surface four corners department, the inside bottom of die cavity is for four the second constant head tank has all been seted up to the position of reference column.

By adopting the technical scheme, the mold can be ejected by arranging the ejection assembly, the pressurizing assembly can pressurize the inner sides of the mold and the ejection plate when the mold is ejected, so that the mold is ejected conveniently, and the ejection plate can be positioned and guided by arranging the positioning column and the second positioning groove.

Further, the ejection assembly comprises a mounting groove, the mounting groove is formed in the lower surface of the workbench, a supporting plate is fixedly connected to the top end of the inside of the mounting groove, a hydraulic rod is fixedly connected to the supporting plate, and one end of the hydraulic rod penetrates through the inside of the die cavity and is fixedly connected with the lower surface of the ejection plate.

By adopting the technical scheme, the mold can be ejected by arranging the ejection assembly.

Furthermore, the section of the supporting plate in the front view is U-shaped, and the ejector plate is movably sleeved inside the die cavity.

Through adopting above-mentioned technical scheme, through setting up the backup pad, be convenient for support fixedly to the hydraulic stem, cup joint in the inside of die cavity through the ejector plate activity, the ejector plate of being convenient for reciprocates to it is ejecting with the mould.

Further, the pressurizing assembly comprises an air bag, the air bag is fixedly connected to the top end of the inside of the mounting groove, a connecting air pipe is fixedly connected to the air bag, a first positioning groove is formed in the lower surface of the lower die holder and corresponds to the position of the connecting air pipe, the first positioning groove penetrates through the outer side of the ejector plate, the connecting air pipe is movably sleeved inside the first positioning groove, and a valve is arranged on the outer side of the hydraulic rod.

By adopting the technical scheme, the pressurizing assembly is arranged, so that the mold can be pressurized towards the inner sides of the mold and the ejection plate when the mold is ejected, and the mold is conveniently ejected.

Furthermore, an embedded groove is formed in the upper surface of the ejection plate corresponding to the first positioning groove, and a steel wire mesh plate is embedded in the embedded groove.

Through adopting above-mentioned technical scheme, through setting up embedded groove and steel wire net board, can avoid the inside piece of die cavity to enter into the inside of connecting the trachea, avoid its emergence to block up then.

Furthermore, a buffer pad is arranged at the bottom end of the second positioning groove, and the depth value of the second positioning groove is the sum of the height value of the positioning column and the height value of the buffer pad.

Through adopting above-mentioned technical scheme, through setting up the blotter, can play the effect of buffering.

In conclusion, the utility model has the following beneficial effects:

1. through setting up ejecting subassembly and pressurization subassembly, can be when carrying out the drawing of patterns, upwards slowly push up the mould earlier through the liftout plate, then to the inboard injected gas of mould and liftout plate to make its inside pressure increase, in this be convenient for ejecting the mould, and can not cause the damage to the mould, great increase the practicality of device, solved current mould and can lead to the mould to take place the problem of damage when taking out the mould.

2. Through setting up embedded groove and wire net board, can avoid the inside piece of die cavity to enter into the inside of connecting trachea and first constant head tank, and then avoid the gasbag to take place to block up, and driving the liftout plate downstream through the hydraulic stem, the inside of second constant head tank is received to the reference column joint this moment, can accomplish the location to the liftout plate, simultaneously through setting up the blotter, can play the effect of buffering, great increase the practicality of device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the positioning post of the present invention.

In the figure:

1. a work table; 2. an upper die holder; 3. a lower die holder; 4. a die cavity; 5. ejecting the plate; 6. mounting grooves; 7. a hydraulic lever; 8. a support plate; 9. an air bag; 10. connecting an air pipe; 11. a first positioning groove; 12. a valve; 13. embedding the groove; 14. a steel wire mesh plate; 15. a positioning column; 16. a second positioning groove; 17. a cushion pad.

Detailed Description

Example (b):

the present invention is described in further detail below with reference to figures 1-3.

Referring to fig. 1-3, the present invention provides a technical solution: a die convenient for demolding is shown in figures 1-3 and comprises a workbench 1, an upper die base 2, a lower die base 3 and a die cavity 4, wherein the bottom end inside the die cavity 4 is provided with an ejector plate 5, an ejector component is arranged on the ejector plate 5, and a pressurizing component is arranged on the workbench 1; the ejection assembly comprises a mounting groove 6, the mounting groove 6 is formed in the lower surface of the workbench 1, a supporting plate 8 is fixedly connected to the top end of the inside of the mounting groove 6, a hydraulic rod 7 is fixedly connected to the supporting plate 8, and one end of the hydraulic rod 7 penetrates through the inside of the die cavity 4 and is fixedly connected with the lower surface of the ejection plate 5; the section of the supporting plate 8 in the front view is U-shaped, and the ejector plate 5 is movably sleeved in the die cavity 4; the pressurizing assembly comprises an air bag 9, the air bag 9 is fixedly connected to the top end of the inside of the mounting groove 6, a connecting air pipe 10 is fixedly connected to the air bag 9, a first positioning groove 11 is formed in the lower surface of the lower die holder 3 relative to the position of the connecting air pipe 10, the first positioning groove 11 runs through the outer side of the ejector plate 5, the connecting air pipe 10 is movably sleeved inside the first positioning groove 11, a valve 12 is arranged on the outer side of the hydraulic rod 7

In this embodiment, the hydraulic rod 7 drives the ejector plate 5 to move upwards, so that the mold can be ejected slowly, when the mold is ejected, the valve 12 is opened, the gas in the air bag 9 enters the inner sides of the mold and the ejector plate 5 through the connecting gas pipe 10, so that the pressure on the inner sides of the mold and the ejector plate 5 is increased, when the ejector plate 5 slowly rises upwards, the connecting gas pipe 10 gradually separates from the inside of the first positioning groove 11, and the pressure between the ejector plate 5 and the mold is slowly increased, so that the mold is taken out, the purpose of rapid demolding is achieved, and the mold cannot be damaged.

As shown in fig. 1-3, the four corners of the lower surface of the ejector plate 5 are fixedly connected with positioning columns 15, and the bottom end inside the die cavity 4 is provided with second positioning grooves 16 corresponding to the positions of the four positioning columns 15; an embedded groove 13 is formed in the upper surface of the ejector plate 5 relative to the first positioning groove 11, and a steel wire mesh plate 14 is embedded and mounted in the embedded groove 13; the bottom end of the inside of the second positioning groove 16 is provided with a cushion pad 17, and the depth value of the second positioning groove 16 is the sum of the height value of the positioning column 15 and the height value of the cushion pad 17.

In this embodiment, after the mould takes out, drive 5 downstream of liftout plate through hydraulic stem 7, reference column 15 joint to the inside of second constant head tank 16 this moment, can accomplish the location to liftout plate 5, simultaneously through setting up blotter 17, can play the effect of buffering, simultaneously through setting up embedded groove 13 and wire net board 14, can avoid 4 inside pieces of die cavity to enter into the inside of connecting trachea 10 and first constant head tank 11, and then avoid gasbag 9 to take place to block up, great increase the practicality of device.

The working principle is as follows: when demoulding is carried out, the hydraulic rod 7 drives the ejector plate 5 to move upwards firstly, so that the mould can be ejected slowly, when the mould is ejected, the valve 12 is opened, the gas in the air bag 9 enters the inner sides of the mould and the ejector plate 5 through the connecting air pipe 10, so that the pressure on the inner sides of the mould and the ejector plate is increased, when the ejector plate 5 rises slowly, the connecting air pipe 10 is separated from the inside of the first positioning groove 11 gradually, and the pressure between the ejector plate 5 and the mould is slowly pressurized, so that the mould is taken out conveniently;

after the mould takes out, drive liftout plate 5 downstream through hydraulic stem 7, reference column 15 joint to the inside of second constant head tank 16 this moment, can accomplish the location to liftout plate 5, simultaneously through setting up blotter 17, can play the effect of buffering, simultaneously through setting up embedded groove 13 and wire net board 14, can avoid the inside piece of die cavity 4 to enter into the inside of connecting trachea 10 and first constant head tank 11, and then avoid gasbag 9 to take place to block up, great increase the practicality of device.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a mould convenient to drawing of patterns, includes workstation (1), upper die base (2), die holder (3) and chase (4), its characterized in that: the inside bottom of die cavity (4) is provided with liftout plate (5), be provided with ejecting subassembly on liftout plate (5), be provided with the pressure subassembly on workstation (1), equal fixedly connected with reference column (15) in liftout plate (5) lower surface four corners department, die cavity (4) inside bottom is for four second constant head tank (16) have all been seted up to the position of reference column (15).

2. The mold of claim 1, wherein: the ejection assembly comprises a mounting groove (6), the mounting groove (6) is formed in the lower surface of the workbench (1), a supporting plate (8) is fixedly connected to the top end of the mounting groove (6), a hydraulic rod (7) is fixedly connected to the supporting plate (8), one end of the hydraulic rod (7) penetrates through the inside of the die cavity (4), and is fixedly connected with the lower surface of the ejection plate (5).

3. The mold of claim 2, wherein: the section of the supporting plate (8) is U-shaped in the front view, and the ejector plate (5) is movably sleeved in the die cavity (4); the pressurizing assembly comprises an air bag (9), the air bag (9) is fixedly connected to the top end of the inner portion of the mounting groove (6), a connecting air pipe (10) is fixedly connected to the air bag (9), a first positioning groove (11) is formed in the position, corresponding to the connecting air pipe (10), of the lower surface of the lower die holder (3), the first positioning groove (11) penetrates through the outer side of the ejector plate (5), and the connecting air pipe (10) is movably sleeved inside the first positioning groove (11).

4. A mold for facilitating demolding as claimed in claim 3, wherein: the upper surface of the ejector plate (5) is provided with an embedded groove (13) relative to the position of the first positioning groove (11), and a steel wire mesh plate (14) is embedded in the embedded groove (13).

5. A mold for facilitating demolding according to claim 1, wherein: a cushion pad (17) is arranged at the bottom end of the inner part of the second positioning groove (16), and the depth value of the second positioning groove (16) is the sum of the height value of the positioning column (15) and the height value of the cushion pad (17).