CN219055108U

CN219055108U - Dustproof plastic mould

Info

Publication number: CN219055108U
Application number: CN202223323284.7U
Authority: CN
Inventors: 周伟; 刘伟
Original assignee: Wuhu Mingmg Precision Mold Co ltd
Current assignee: Wuhu Mingmg Precision Mold Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-23
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a dustproof plastic mold, relates to the technical field of plastic injection molds, and aims to solve the problems that in the prior art, the existing dustproof plastic molds in the market are mostly sealed by sealing rubber strips, fine particles easily enter the inside of the mold when the mold is opened, and the dustproof effect is not good enough. The first dustproof air-out ware is installed in the outside of bed die, and first dustproof air-out ware passes through fastening screw fixed connection with the bed die, the second dustproof air-out ware is installed in the outside of last mould, and second dustproof air-out ware passes through fastening screw fixed connection with the last mould, the inboard of second dustproof air-out ware is provided with annular air-out groove, and annular air-out groove and second dustproof air-out ware set up to integrated into one piece structure, the air joint is installed in the outside of second dustproof air-out ware, the first dustproof air-out ware is the same with the structure of second dustproof air-out ware.

Description

Dustproof plastic mould

Technical Field

The utility model relates to the technical field of plastic injection molds, in particular to a dustproof plastic mold.

Background

The injection mold is a tool for producing plastic products, which is also a tool for endowing the plastic products with complete structures and accurate dimensions, and is a processing method used when the plastic products are produced in batches and have complex shapes, the heated and melted plastic is injected into a mold cavity by an injection molding machine under high pressure, and the plastic products are finally obtained after cooling and solidifying;

for example, the application publication number is CN208247327U, a dustproof plastic mold structurally comprises a movable mold plate, a guide post, a fixed mold plate, a male mold, a cooling water channel, a positioning ring, a pulling rod and a dustproof ring, wherein the positioning ring is respectively and fixedly connected to the left side inside the fixed mold plate in a penetrating way, and the dustproof ring consists of a guide ring, a support plate, a sealing gasket, an inner groove track, a clamping key, a piston and a flexible substrate;

above-mentioned application adds a dust ring at inside boundary wall of plastic mold, drive inside groove track gomphosis through flexible substrate on the inside boundary wall of mould, make the outside expansion of guide ring and the piston direct friction contact of both sides boundary wall be used for tensile length, then combine backup pad operation draw-in key to consolidate the location and make whole dust ring closely laminate, make up the corner gap of filling through sealed pad and prevent sand and stone infiltration inside template, keep the whole cleanness of production mould liquid, improve the work efficiency of the inside shaft piece of equipment, ensure the scale accuracy of mould body, but it still adopts joint strip to seal, when the mould die sinking, still make fine granule get into the inside of mould easily, dustproof effect is not enough, therefore market urgent need develop a dust-proof type plastic mould to help people solve current problem.

Disclosure of Invention

The utility model aims to provide a dustproof plastic mold, which solves the problems that the existing dustproof plastic molds in the market in the prior art are mostly sealed by sealing rubber strips, fine particles easily enter the inside of the mold when the mold is opened, and the dustproof effect is not good enough.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dust protected plastic mould, includes bed die and last mould, first dustproof air-out ware is installed in the outside of bed die, and first dustproof air-out ware passes through fastening screw fixed connection with the bed die, the second dustproof air-out ware is installed in the outside of going up the mould, and second dustproof air-out ware passes through fastening screw fixed connection with last mould, the inboard of second dustproof air-out ware is provided with annular air-out groove, and annular air-out groove and the dustproof air-out ware of second set up to an organic whole structure, the air joint is installed in the outside of the dustproof air-out ware of second, the first dustproof air-out ware is the same with the structure of the dustproof air-out ware of second.

Preferably, a lower die holder is arranged below the lower die, the lower die holder is fixedly connected with the lower die through bolts, an upper die holder is arranged above the upper die, and the upper die holder is fixedly connected with the upper die through bolts.

Preferably, the lower side of die holder is installed and is pulled the axle, and pulls axle and die holder through bolt fixed connection, the below of die holder is provided with spacing base, spacing base and pull axle sliding connection, the mould guide pillar is installed to the top of spacing base, and mould guide pillar and spacing base pass through bolt fixed connection.

Preferably, the top axle is installed to the top of spacing base, and the top axle passes through bolt fixed connection with spacing base, the outside of top axle is provided with spacing spring, spacing spring's bottom passes through fastening screw fixed connection with spacing base.

Preferably, the injection molding connector and the cooling water connector are respectively installed above the upper die holder, the injection molding connector is fixedly connected with the upper die holder through bolts, the cooling water connector is in threaded connection with the upper die holder, and a cooling channel is arranged inside the upper die.

Preferably, the injection molding pipe is installed to the below of connector of moulding plastics, and injection molding pipe and connector threaded connection of moulding plastics, the inside of bed die is provided with the roof dish, the top and the roof dish of roof axle pass through fastening screw fixed connection.

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

1. according to the plastic mold, the first dustproof air outlet device and the second dustproof air outlet device are arranged, the first dustproof air outlet device is arranged on the outer side of the lower mold, the second dustproof air outlet device is arranged on the outer side of the upper mold, the first dustproof air outlet device and the second dustproof air outlet device are connected with the air pump, the inner sides of the first dustproof air outlet device and the second dustproof air outlet device are respectively provided with the annular air outlet groove, when the plastic mold is subjected to injection molding to complete mold opening, an annular air wall is formed through the first dustproof air outlet device and the second dustproof air outlet device, the inner environment of the mold can be separated from the outer environment, and therefore a large number of tiny particles are prevented from drifting into the inner part of the mold, and the dustproof effect of the plastic mold is improved.

2. According to the plastic mold, the top plate is arranged at the bottom of the inside of the lower mold, and after injection molding is completed, the top plate is utilized to achieve an auxiliary demolding effect, so that a plastic finished product can be ejected out of the lower mold, the effect of quick demolding is achieved, and the plastic mold is more reliable to use.

Drawings

FIG. 1 is a front view of a dust-proof plastic mold according to the present utility model;

FIG. 2 is a cross-sectional view of a dust-proof plastic mold according to the present utility model;

fig. 3 is an overall schematic diagram of a second dust-proof air outlet according to the present utility model.

In the figure: 1. a limit base; 2. pulling the shaft; 3. a lower die holder; 4. a lower die; 5. a first dust-proof air outlet device; 6. a die guide post; 7. an upper die holder; 8. injection molding the connector; 9. a cooling water connector; 10. an upper die; 11. the second dustproof air outlet device; 12. a top shaft; 13. a limit spring; 14. a cooling channel; 15. injection molding a tube; 16. a top plate; 17. annular air outlet groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a dust protected plastic mould, including bed die 4 and last mould 10, first dustproof air-out ware 5 is installed in the outside of bed die 4, and first dustproof air-out ware 5 passes through fastening screw fixed connection with bed die 4, second dustproof air-out ware 11 is installed in the outside of going up mould 10, and second dustproof air-out ware 11 passes through fastening screw fixed connection with last mould 10, the inboard of second dustproof air-out ware 11 is provided with annular air-out groove 17, and annular air-out groove 17 sets up as an organic whole structure with second dustproof air-out ware 11, the air joint is installed in the outside of second dustproof air-out ware 11, first dustproof air-out ware 5 is the same with the structure of second dustproof air-out ware 11.

During the use, through the setting of first dustproof air-out ware 5 and second dustproof air-out ware 11, first dustproof air-out ware 5 sets up in the outside of bed die 4, second dustproof air-out ware 11 sets up the outside at last mould 10, the air pump is connected to first dustproof air-out ware 5 and second dustproof air-out ware 11, annular air-out groove 17 has all been set up to the inboard of first dustproof air-out ware 5 and second dustproof air-out ware 11, when this plastic mould injection molding accomplishes the die sinking, through first dustproof air-out ware 5 and the dustproof air-out ware 11 formation annular air wall of one, can separate mould internal environment and external environment, thereby avoid a large amount of tiny particles to drift into the inside of mould, thereby improve this plastic mould's dustproof effect.

Further, the lower die holder 3 is installed to the below of bed die 4, and bed die 3 passes through bolt fixed connection with bed die 4, and upper die holder 7 is installed to the top of last mould 10, and upper die holder 7 passes through bolt fixed connection with last mould 10, and the space that produces when last mould 10 and bed die 4 laminating is the injection moulding space of plastic product.

Further, draw the axle 2 is installed to the below of die holder 3, and draws axle 2 and die holder 3 through bolt fixed connection, and the below of die holder 3 is provided with spacing base 1, spacing base 1 and draw axle 2 sliding connection, and mould guide pillar 6 is installed to the top of spacing base 1, and mould guide pillar 6 and spacing base 1 pass through bolt fixed connection, and die holder 3 and upper die base 7 all with mould guide pillar 6 sliding connection.

Further, the top of spacing base 1 installs jackshaft 12, and jackshaft 12 and spacing base 1 pass through bolt fixed connection, and the outside of jackshaft 12 is provided with spacing spring 13, and the bottom of spacing spring 13 passes through fastening screw fixed connection with spacing base 1, and the outside of jackshaft 12 is provided with the pressure disk, and the pressure disk is fixed with jackshaft 12, and the top and the pressure disk contact of spacing spring 13.

Further, the injection connector 8 and the cooling water connector 9 are installed respectively to the top of upper die base 7, and injection connector 8 passes through bolt fixed connection with upper die base 7, and cooling water connector 9 and upper die base 7 threaded connection, the inside of upper die 10 is provided with cooling channel 14, and cooling water connector 9 is provided with two, and two cooling water connectors 9 all communicate with cooling channel 14.

Further, the injection molding pipe 15 is installed to the below of connector 8 of moulding plastics, and injection molding pipe 15 and connector 8 threaded connection of moulding plastics, and the inside of bed die 4 is provided with footwall 16, and the top of jackshaft 12 passes through fastening screw fixed connection with footwall 16, and the inside of injection molding pipe 15 is provided with fusing mechanism, can separate the inside plastic finished product of molten plastic and mould.

Working principle: when the mold is used, when the lower mold 4 is in contact with the upper mold 10 and is closed, the injection molding machine can be connected through the injection molding connector 8, molten plastic is injected into the closed space of the lower mold 4 and the upper mold 10 through the injection molding pipe 15, then cooling water is injected into the cooling channel 14 by utilizing the cooling water connector 9 to connect the water pump, the molten plastic is cooled, then the lower mold 4 is separated from the upper mold 10, meanwhile, the first dustproof air outlet device 5 and the second dustproof air outlet device 11 are connected with the air pump to form an annular air wall at the outer sides of the two molds, fine particles in the external environment are prevented from entering the inside of the molds, meanwhile, the lower mold base 3 moves downwards, the top shaft 12 keeps motionless, the top disk 16 is ejected out, and the top disk 16 ejects out a finished product, so that the demolding work is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. The utility model provides a dust protected plastic mould, includes bed die (4) and last mould (10), its characterized in that: the first dustproof air-out ware (5) is installed in the outside of bed die (4), and first dustproof air-out ware (5) and bed die (4) pass through fastening screw fixed connection, second dustproof air-out ware (11) are installed in the outside of last mould (10), and second dustproof air-out ware (11) and last mould (10) pass through fastening screw fixed connection, the inboard of second dustproof air-out ware (11) is provided with annular air-out groove (17), and annular air-out groove (17) set up to an organic whole structure with second dustproof air-out ware (11), the air joint is installed in the outside of second dustproof air-out ware (11), first dustproof air-out ware (5) are the same with the structure of second dustproof air-out ware (11).

2. A dust protected plastic mold as defined in claim 1, wherein: the lower die holder (3) is installed to the below of bed die (4), and bed die (3) and bed die (4) pass through bolt fixed connection, upper die holder (7) is installed to the top of last mould (10), and upper die holder (7) and last mould (10) pass through bolt fixed connection.

3. A dust protected plastic mold as defined in claim 2, wherein: the die comprises a die holder (3), and is characterized in that a pulling shaft (2) is arranged below the die holder (3), the pulling shaft (2) is fixedly connected with the die holder (3) through bolts, a limiting base (1) is arranged below the die holder (3), the limiting base (1) is slidably connected with the pulling shaft (2), a die guide post (6) is arranged above the limiting base (1), and the die guide post (6) is fixedly connected with the limiting base (1) through bolts.

4. A dust protected plastic mold according to claim 3, wherein: the top of spacing base (1) is installed jackshaft (12), and jackshaft (12) pass through bolt fixed connection with spacing base (1), the outside of jackshaft (12) is provided with spacing spring (13), the bottom of spacing spring (13) passes through fastening screw fixed connection with spacing base (1).

5. The dust-proof plastic mold of claim 4, wherein: the upper die base (7) is characterized in that an injection molding connector (8) and a cooling water connector (9) are respectively arranged above the upper die base (7), the injection molding connector (8) is fixedly connected with the upper die base (7) through bolts, the cooling water connector (9) is in threaded connection with the upper die base (7), and a cooling channel (14) is arranged inside the upper die (10).

6. The dust-proof plastic mold of claim 5, wherein: the injection molding pipe (15) is arranged below the injection molding connector (8), the injection molding pipe (15) is in threaded connection with the injection molding connector (8), a top disc (16) is arranged inside the lower die (4), and the top of the top shaft (12) is fixedly connected with the top disc (16) through a fastening screw.