CN209755962U

CN209755962U - Injection mold for plastic part production

Info

Publication number: CN209755962U
Application number: CN201920594245.XU
Authority: CN
Inventors: 廖长建; 张军
Original assignee: Chongqing Yongxin Precision Electronic Technology Co Ltd
Current assignee: Chongqing Yongxin Precision Electronic Technology Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-12-10
Anticipated expiration: 2029-04-28

Abstract

The utility model relates to the technical field of molds, in particular to an injection mold for plastic part production, which comprises a lower mold seat and an upper mold seat, wherein the inner side of the lower mold seat is fixedly connected with a positioning plate, the bottom end of the positioning plate is fixedly connected with a second spring, the bottom end of the second spring is fixedly connected with the lower mold seat, the inner side of the second spring is provided with a marble, the inner side of the lower mold seat is fixedly connected with an air pump, the top end of the air pump is fixedly connected with an air pipe, the left end and the right end of the lower mold seat are both fixedly connected with a connecting rod, the outer side of the connecting rod is provided with the upper mold seat, the inner side of the upper mold seat is fixedly connected with a circulating box, the bottom end of the circulating box is fixedly connected with a cooling liquid pipe, the outer side of the right end surface of the, can let the melt rapid prototyping, improve work efficiency, be favorable to carrying out the film forming to the melt.

Description

Injection mold for plastic part production

Technical Field

The utility model relates to the technical field of mold, specifically be an injection mold for production of plastic part.

background

Molds, various molds and tools for obtaining desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc. in industrial production, in short, a mold is a tool for manufacturing a molded article, the tool is composed of various parts, and different molds are composed of different parts, and thus, there is an increasing demand for injection molds for plastic parts production.

Injection mold who exists on the market at present, in-process to plastic part production, can not get rid of the bubble to the melt of injecting into, lead to fashioned mould quality to reduce to at the in-process of filming, can not be quick cool down the mould, reduced work efficiency, consequently, propose the injection mold who is used for plastic part production to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for plastic part production 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:

An injection mold for plastic part production comprises a lower die holder and an upper die holder, wherein a positioning plate is fixedly connected to the inner side of the lower die holder, a second spring is fixedly connected to the bottom end of the positioning plate, the bottom end of the second spring is fixedly connected with the lower die holder, a marble is arranged on the inner side of the second spring, an air pump is fixedly connected to the inner side of the lower die holder, an air pipe is fixedly connected to the top end of the air pump, a connecting rod is fixedly connected to the left end and the right end of the lower die holder, an upper die holder is arranged on the outer side of the connecting rod, a circulating box is fixedly connected to the inner side of the upper die holder, a cooling liquid pipe is fixedly connected to the bottom end of the circulating box, a radiator is arranged on the outer side of the right end face of the cooling liquid pipe, the radiator is fixedly connected with the upper die holder, the inner side of the limiting plate is fixedly connected with a first spring, and the top end of the inner side of the upper die base is fixedly connected with a supporting rod.

Preferably, the marble is in sliding connection with the lower die base through the design of the air pipe and the air pump, and the cross sectional area of the positioning plate is the same as that of the limiting plate.

Preferably, the top and the upper die base fixed connection of first spring, the bracing piece is located the inboard of first spring, the limiting plate passes through first spring and upper die base sliding connection.

preferably, the number of the sleeves is 4, the top ends of the sleeves are fixedly connected with the upper die base, and the heights of the sleeves are the same as the thickness of the limiting plate.

Preferably, the heat pipe and the cooling liquid pipe are both coiled on the inner side of the upper die base, the inner side of the upper die base is provided with a vent hole, and the cross sectional areas of the upper die base and the lower die base are the same.

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

1. The utility model discloses in, through the marble that sets up, air pump and trachea, when pouring into the melt into to the inboard of upper die base and die holder, in the in-process of pouring into, can aerify to tracheal inboard through the work of air pump, thereby can promote the marble through the gas of trachea inboard and reciprocate, thereby can beat the locating plate through rocking from top to bottom of marble, can discharge the gas of melt inboard through the vibration that the locating plate produced, can improve the quality of product, be favorable to using this mould more, can restrict the shift position of marble through the design of second spring simultaneously, can control the scope that the marble removed;

2. the utility model discloses in, through the heat pipe that sets up, radiator and coolant liquid pipe, when injecting the melt, the increase of melt volume can promote the limiting plate and upwards remove, can pass through the sleeve pipe, the design of first spring and bracing piece is injectd the position of limiting plate, can let the melt inboard of the entering mould at the uniform velocity, after the injection completion, alright absorb the heat of melt through the heat pipe, later rethread circulation case and coolant liquid pipe's design, let the inboard coolant liquid of coolant liquid pipe carry out the circulation work, can dispel the heat to coolant liquid pipe absorptive heat through the design of radiator simultaneously, can accelerate to cool down the melt, can let the melt rapid prototyping, the work efficiency is improved, be favorable to carrying out the melt film forming to the melt.

Drawings

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

FIG. 2 is a schematic view of the installation structure of the cooling liquid pipe of the present invention;

Fig. 3 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-a lower die holder, 2-an air pump, 3-a positioning plate, 4-a connecting rod, 5-a limiting plate, 6-an upper die holder, 7-a first spring, 8-a sleeve, 9-a circulating box, 10-a heat pipe, 11-a supporting rod, 12-a radiator, 13-a cooling liquid pipe, 14-a second spring, 15-a marble and 16-an air pipe.

Detailed Description

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.

Referring to fig. 1-3, the present invention provides a technical solution:

The injection mold for plastic part production comprises a lower mold base 1 and an upper mold base 6, wherein a positioning plate 3 is fixedly connected to the inner side of the lower mold base 1, a second spring 14 is fixedly connected to the bottom end of the positioning plate 3, the bottom end of the second spring 14 is fixedly connected with the lower mold base 1, a marble 15 is arranged on the inner side of the second spring 14, the positioning plate 3 can vibrate through the design of the marble 15, an air pump 2 is fixedly connected to the inner side of the lower mold base 1, an air pipe 16 is fixedly connected to the top end of the air pump 2, connecting rods 4 are fixedly connected to the left end and the right end of the lower mold base 1, the upper mold base 6 is arranged on the outer side of each connecting rod 4, a circulation box 9 is fixedly connected to the inner side of the upper mold base 6, a cooling liquid pipe 13 is fixedly connected to the bottom end of the circulation box 9, a radiator 12 is arranged on the, the bottom fixedly connected with heat pipe 10 of coolant liquid pipe 13, the bottom outside fixedly connected with sleeve pipe 8 of heat pipe 10, the outside of sleeve pipe 8 is equipped with limiting plate 5, the first spring 7 of inboard fixedly connected with of limiting plate 5, the inboard top fixedly connected with bracing piece 11 of upper die base 6.

the marble 15 is slidably connected with the lower die holder 1 through the design of the air pipe 16 and the air pump 2, the cross-sectional area of the positioning plate 3 is the same as that of the limiting plate 5, the setting is favorable for adjusting the position of the marble 15, the top end of the first spring 7 is fixedly connected with the upper die holder 6, the supporting rod 11 is positioned at the inner side of the first spring 7, the limiting plate 5 is slidably connected with the upper die holder 6 through the first spring 7, the setting is favorable for adding the molten material at a constant speed, the number of the sleeves 8 is 4, the top end of the sleeve 8 is fixedly connected with the upper die holder 6, the height of the sleeve 8 is the same as that of the limiting plate 5, the setting is favorable for keeping the sealing performance of the limiting plate 5, the heat pipe 10 and the cooling liquid pipe 13 are both coiled at the inner side of the upper die holder 6, the inner side of the upper die holder 6 is provided with a ventilation hole, the cross-, this arrangement is advantageous to ensure the integrity of the device.

The air pump 2 is model czk3603 and the heat sink 12 is model ABA TAP.

The working process is as follows: all electrical appliances of the device are external power supplies, when molten materials are injected into the inner sides of the upper die holder 6 and the lower die holder 1, in the injection process, the inner side of the air pipe 16 can be inflated through the work of the air pump 2, so that the marble 15 can be pushed to move up and down through the air in the inner side of the air pipe 16, the positioning plate 3 can be knocked through the upward and downward shaking of the marble 15, the air in the inner side of the molten materials can be discharged through the vibration generated by the positioning plate 3, the quality of products can be improved, the die can be more favorably used, meanwhile, the moving position of the marble 15 can be limited through the design of the second spring 14, the moving range of the marble 15 can be controlled, when the molten materials are injected, the increase of the amount of the molten materials can push the limiting plate 5 to move upwards, the position of the limiting plate 5 can be limited through the design of the sleeve 8, the first, can let the melt inboard of the entering mould at the uniform velocity, after injecting into the completion, alright absorb the heat of melt through heat pipe 10, later rethread circulation case 9 and coolant liquid pipe 13's design, let the coolant liquid of coolant liquid pipe 13 inboard carry out cycle work, can dispel the heat to the heat that coolant liquid pipe 13 absorbed through the design of radiator 12 simultaneously, can accelerate to cool down the melt, can let the melt rapid prototyping, and the work efficiency is improved, be favorable to filming to the melt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A injection mold for plastic part production, including die holder (1) and upper die base (6), its characterized in that: the die comprises a die holder (1), a positioning plate (3) is fixedly connected to the inner side of the die holder (1), a second spring (14) is fixedly connected to the bottom end of the positioning plate (3), the bottom end of the second spring (14) is fixedly connected with the die holder (1), a marble (15) is arranged on the inner side of the second spring (14), an air pump (2) is fixedly connected to the inner side of the die holder (1), an air pipe (16) is fixedly connected to the top end of the air pump (2), connecting rods (4) are fixedly connected to the left end and the right end of the die holder (1), an upper die holder (6) is arranged on the outer side of each connecting rod (4), a circulation box (9) is fixedly connected to the inner side of the upper die holder (6), a cooling liquid pipe (13) is fixedly connected to the bottom end of the circulation box (9), a radiator (12) is arranged on the outer side of the right end face of, the bottom fixedly connected with heat pipe (10) of coolant liquid pipe (13), the bottom outside fixedly connected with sleeve pipe (8) of heat pipe (10), the outside of sleeve pipe (8) is equipped with limiting plate (5), the first spring of inboard fixedly connected with (7) of limiting plate (5), the inboard top fixedly connected with bracing piece (11) of upper die base (6).

2. The injection mold for plastic part production as claimed in claim 1, wherein: the marble (15) is in sliding connection with the lower die holder (1) through the design of the air pipe (16) and the air pump (2), and the cross sectional area of the positioning plate (3) is the same as that of the limiting plate (5).

3. The injection mold for plastic part production as claimed in claim 1, wherein: the top and upper die base (6) fixed connection of first spring (7), bracing piece (11) are located the inboard of first spring (7), limiting plate (5) are through first spring (7) and upper die base (6) sliding connection.

4. The injection mold for plastic part production as claimed in claim 1, wherein: the number of the sleeves (8) is 4, the top ends of the sleeves (8) are fixedly connected with the upper die base (6), and the heights of the sleeves (8) are the same as the thickness of the limiting plate (5).

5. The injection mold for plastic part production as claimed in claim 1, wherein: the heat pipe (10) and the cooling liquid pipe (13) are both coiled on the inner side of the upper die base (6), the inner side of the upper die base (6) is provided with a vent hole, and the cross sectional areas of the upper die base (6) and the lower die base (1) are the same.