CN214082612U

CN214082612U - Injection mold capable of realizing core-pulling type demolding

Info

Publication number: CN214082612U
Application number: CN202022004780.0U
Authority: CN
Inventors: 谢军; 陈亚运; 陈蜃; 李子安; 杨元明; 陈锦武; 宁家钦; 陈浩
Original assignee: Dongguan Rongchen Precision Mould Technology Co ltd
Current assignee: Dongguan Rongchen Precision Mould Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-08-31
Anticipated expiration: 2030-09-14

Abstract

The utility model belongs to the technical field of injection molds, in particular to an injection mold for realizing core-pulling type demolding, which comprises a core-pulling mold component, an injection molding component, a limiting component, a fixing component and an air pressure component; the left side of the core-pulling mold assembly is detachably connected with the right side of the injection molding assembly, the left side of the injection molding assembly is fixedly connected with the right side of the limiting assembly, and the left side of the fixing assembly is fixedly connected with the right side of the air pressure assembly. The utility model discloses simple structure connects stably, and structural strength is high, the dismouting and the maintenance of being convenient for, convenient operation, and is reliable and stable, long service life, the mode of the core-pulling formula drawing of patterns has increased the complete degree of drawing of patterns to the drawing of patterns mode of back-off has been left out, has increased the practicality of device.

Description

Injection mold capable of realizing core-pulling type demolding

Technical Field

The utility model belongs to the injection mold field, concretely relates to realize injection mold of formula of loosing core drawing of patterns.

Background

The production of plastic products is carried out by injection molding with a mold, and the structure of the mold directly influences the quality and the production efficiency of the products. When the product has the annular lateral wall to be equipped with the back-off on the annular lateral wall, need design the mechanism of back-off position drawing of patterns in addition, otherwise can't carry out the drawing of patterns through ejection mechanism ejecting moulding, and current demoulding structure mainly adopts two oblique top line position structures to carry out the drawing of patterns, but this kind of structure needs great space, this kind of structure that just can't be used when this leads to the back-off less in the product annular lateral wall, thereby can't solve the demolding problem, be unfavorable for actual production and use.

The Chinese patent with the publication number of CN203305479U discloses an inner slide core-pulling mechanism and an injection mold, wherein the inner slide core-pulling mechanism comprises a Kocuria, and six wedge-shaped inner slides connected with the Kocuria, the Kocuria and the six wedge-shaped inner slides are in close contact with each other in a mold closing state, the six wedge-shaped inner slides are uniformly distributed on the periphery of the Kocuria 4, and the same are connected with the Kocuria hot, and is of the same, and is hot-making up, and is of the same, and is Kocuria; the six wedge-type inner rows are symmetrically distributed in the axial direction of the retractable shovel base; under the die assembly state, the top surfaces of the six wedge-type inner slide positions and the top surface of the Korotkoff shovel base are spliced to form a circle or an ellipse matched with the annular plastic part; the inner slide core pulling mechanism also comprises a panel connected with the retractable shovel base, and a guide rail is arranged between the panel and the wedge type inner slide; the die comprises a movable die and a fixed die, wherein an inner slide core-pulling mechanism for demoulding is arranged between the movable die and the fixed die, and the inner slide core-pulling mechanism is characterized by comprising a Kocuria shovel base and six wedge-type inner slides connected with the Kocuria shovel base, wherein the Kocuria shovel base is in close contact with the six wedge-type inner slides in a die closing state, the six wedge-type inner slides are uniformly distributed on the periphery of the Kocuria shovel base, and the Kocuria shovel base is separated from the six wedge-type inner slides in a die opening state.

However, the following problems still exist:

1. in the injection molding process, the product is inconvenient to demold after being molded, the defective rate is high, and the structure of the injection mold directly influences the production efficiency and quality of plastic products to a great extent;

2. the common slide block with the core pulling is adopted, the length, width and thickness of the die can be increased, the manufacturing cost of the die can be increased, and the profit of the die is reduced;

3. the injection molding machine has the advantages of large occupied space, high processing and production cost, large energy consumption and limited machine types, and can increase the injection molding cost and reduce the market competitiveness if the injection molding machine with a larger model is selected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an injection mold for realizing core-pulling type demolding, which is used for solving the problems of time and labor waste, low efficiency, unstable connection and low structural strength in the prior art during assembly and maintenance; in the injection molding process, the product is inconvenient to demold after being molded, the defective rate is high, and the structure of the injection mold directly influences the production efficiency and quality of plastic products to a great extent; the common slide block with the core pulling is adopted, the length, width and thickness of the die can be increased, the manufacturing cost of the die can be increased, and the profit of the die is reduced; the injection molding machine has the advantages of large occupied space, high processing and production cost, large energy consumption and limited machine types, and can increase the injection molding cost, reduce the profit, reduce the market competitiveness and the like if the injection molding machine with a larger model is selected.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an injection mold for realizing core-pulling type demolding comprises a core-pulling mold component, an injection molding component, a limiting component, a fixing component and an air pressure component; the left side of the core-pulling mold assembly is detachably connected with the right side of the injection molding assembly, the left side of the injection molding assembly is fixedly connected with the right side of the limiting assembly, and the left side of the fixing assembly is fixedly connected with the right side of the air pressure assembly.

Preferably, the loose core mould subassembly includes mould, bed die, cooling tank, mould agree with tooth, shrink groove, mould groove, the mouth of moulding plastics, takes out from core and cross lock, it can dismantle with the bed die to go up the mould is connected, it all is equipped with two, two to go up mould and bed die and can dismantle through taking out from the core and be connected, it can dismantle with the cross lock and be connected to take out from the core, the bed die upside is located to the cooling tank, mould agree with tooth, shrink groove and mould groove all locate in the bed die, the shrink groove is connected with the mould groove, it all is equipped with the mould and agrees with the tooth to go up mould and bed die.

Preferably, the injection molding assembly comprises an injection molding machine, an injection molding machine fixing seat and fixing screws, the injection molding machine fixing seat is arranged on the left side of the injection molding machine and fixedly connected with the left side of the injection molding machine, and the fixing screws are arranged on the periphery of the injection molding machine fixing seat.

Preferably, the limiting assembly comprises a limiting block and a first limiting hole, and the first limiting hole is formed in the middle of the lower side of the limiting block.

Preferably, the fixing component comprises a fixing plate and two second limiting holes, and the two second limiting holes are formed in the upper half part of the fixing plate.

Preferably, the pneumatic assembly comprises a pneumatic lever and four pneumatic cylinder fixing screws, and the four pneumatic cylinder fixing screws are arranged at four corners of the left side of the pneumatic lever.

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

the utility model discloses a realize injection mold of core-pulling formula drawing of patterns, simple structure connects stably, and structural strength is high, the dismouting and the maintenance of being convenient for, convenient operation, reliable and stable, long service life, the mode of core-pulling formula drawing of patterns has increased the complete degree of drawing of patterns to the drawing of patterns mode of back-off has been left out, has increased the practicality of device.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of an injection mold for core-pulling type mold release according to the present invention;

FIG. 2 is a schematic perspective view of an embodiment of an injection mold for core-pulling type mold release according to the present invention;

FIG. 3 is a schematic perspective view of an embodiment of an injection mold for core-pulling type mold release according to the present invention;

reference numerals referred to in the drawings are: the core-pulling mold comprises a core-pulling mold component 1, an upper mold 101, a lower mold 102, a cooling groove 103, mold engaging teeth 104, a shrinkage groove 105, a mold groove 106, an injection molding opening 107, a core-pulling 108, a cross lock 109, an injection molding component 2, an injection molding machine 201, an injection molding machine fixing seat 202, a fixing screw 203, a limiting component 3, a limiting block 301, a first limiting hole 302, a fixing component 4, a fixing plate 401, a second limiting hole 402, an air pressure component 5, an air pressure lever 501 and an air pressure cylinder fixing screw 502.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Example one

As shown in fig. 1-3, an injection mold for realizing core-pulling type demolding comprises a core-pulling mold component 1, an injection molding component 2, a limiting component 3, a fixing component 4 and an air pressure component 5; the left side of the core-pulling mold component 1 is detachably connected with the right side of the injection molding component 2, the left side of the injection molding component 2 is fixedly connected with the right side of the limiting component 3, and the left side of the fixing component 4 is fixedly connected with the right side of the air pressure component 5.

Preferably, the core back mold assembly 1 includes an upper mold 101, a lower mold 102, a cooling groove 103, two mold engaging teeth 104, two contracting grooves 105, two mold grooves 106, an injection port 107, a pull-off core 108 and a cross lock 109, wherein the upper mold 101 is detachably connected to the lower mold 102, the upper mold 101 and the lower mold 102 are both provided with two upper molds 101 and two lower molds 102, the two upper molds 101 and the two lower molds 102 are detachably connected through the pull-off core 108, the pull-off core 108 is detachably connected to the cross lock 109, the cooling groove 103 is provided at the upper side of the lower mold 102, the mold engaging teeth 104, the contracting grooves 105 and the mold grooves 106 are all provided in the lower mold 102, the contracting grooves 105 are connected to the mold grooves 106, and the upper mold 101 and the lower mold 102 are both provided with the mold engaging teeth 104. Further, the cross lock 109 is disposed on the two lower molds 102 and connects the two lower molds 102, the plurality of mold engaging teeth 104 are provided, and the upper mold 101 and the lower mold 102 are both provided with the corresponding mold engaging teeth 104, so that the upper mold 101 and the lower mold 102 can be engaged to realize the connection of the upper mold 101 and the lower mold 102, and the cross lock is designed as a main component of the core-pulling type demolding of the mold, thereby realizing the core-pulling type demolding and increasing the practicability of the mold.

Preferably, the injection molding assembly 2 includes an injection molding machine 201, an injection molding machine fixing seat 202 and fixing screws 203, the injection molding machine fixing seat 202 is disposed on the left side of the injection molding machine 201 and is fixedly connected with the left side of the injection molding machine 201, and the fixing screws 203 are disposed around the injection molding machine fixing seat 202. Further, the number of the injection molding machines 201 and the number of the injection molding machine fixing seats 202 are two, the fixing screws 203 are multiple, the fixing screws 203 are in threaded connection with the right side of the limiting block 301, the mold can be used for injection molding, the requirement of product production is met, and the applicability of the mold is improved.

Example two

As a further improvement of the previous embodiment, as shown in fig. 1 to 3, the injection mold for realizing core-pulling type demolding comprises a core-pulling mold component 1, an injection molding component 2, a limiting component 3, a fixing component 4 and an air pressure component 5; the left side of the core-pulling mold component 1 is detachably connected with the right side of the injection molding component 2, the left side of the injection molding component 2 is fixedly connected with the right side of the limiting component 3, and the left side of the fixing component 4 is fixedly connected with the right side of the air pressure component 5.

Preferably, the limiting component 3 includes a limiting block 301 and a first limiting hole 302, and the first limiting hole 302 is disposed at the middle position of the lower side of the limiting block 301. Further, the limiting block 301 and the first limiting hole 302 are mainly used for limiting injection molding, so that phenomena such as displacement and the like cannot occur during injection molding.

Preferably, the fixing assembly 4 includes a fixing plate 401 and two second limiting holes 402, two second limiting holes 402 are provided, and the two second limiting holes 402 are provided in the upper half portion of the fixing plate 401. Further, the fixing plate 401 is used for fixing the air pressure assembly 5 to increase the stability of the air pressure assembly 5, and the second limiting hole 402 is used for extending and retracting the limiting assembly 3 to increase the reliability of the mold.

Preferably, the pneumatic assembly 5 includes a pneumatic rod 501 and four pneumatic cylinder fixing screws 502, the four pneumatic cylinder fixing screws 502 are provided, and the four pneumatic cylinder fixing screws 502 are provided at four corners of the left side of the pneumatic rod 501. Further, four pneumatic cylinder fixing screws 502 are arranged at four corners of the left side of the pneumatic rod 501, and the four corners of the pneumatic cylinder 501 are rounded corners, so that the die can not scratch workers to be used, and the safety of the die is improved.

The advantages of the second embodiment over the first embodiment are: the utility model provides an injection mold of core-pulling type drawing of patterns, simple structure, the connection is stable, and structural strength is high, the dismouting and the maintenance of being convenient for, convenient operation, reliable and stable, long service life, the mode of core-pulling type drawing of patterns has increased the complete degree of drawing of patterns to the drawing of patterns mode of back-off has been left out, has increased the practicality of device.

The utility model discloses a use method:

(1) the expansion and contraction of the limiting component 3 are realized through the work of the air pressure lever 501;

(2) the work of the injection molding component 2 is realized through the limiting component 3, and the injection molding function is realized;

(3) by pulling the cross lock 109 open, the pull-out core 108 is pulled out, so that the two upper and

lower molds

101 and 102 can be separated to realize the mold release function.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides an realize injection mold of formula of loosing core drawing of patterns which characterized in that: the core pulling mold comprises a core pulling mold component (1), an injection molding component (2), a limiting component (3), a fixing component (4) and an air pressure component (5); the core-pulling mold is characterized in that the left side of the core-pulling mold component (1) is detachably connected with the right side of the injection molding component (2), the left side of the injection molding component (2) is fixedly connected with the right side of the limiting component (3), and the left side of the fixing component (4) is fixedly connected with the right side of the air pressure component (5).

2. An injection mold for realizing core-pulling type demolding according to claim 1, wherein: the core-pulling mould component (1) comprises an upper mould (101), a lower mould (102), a cooling groove (103), mould conjunction teeth (104), a contraction groove (105), a mould groove (106), an injection port (107), a pulling-out core (108) and a cross lock (109), the upper die (101) is detachably connected with the lower die (102), two upper dies (101) and two lower dies (102) are arranged, the two upper dies (101) and the two lower dies (102) are detachably connected through a drawing core (108), the drawing core (108) is detachably connected with the cross lock (109), the cooling groove (103) is arranged on the upper side of the lower die (102), the mould fitting teeth (104), the shrinkage groove (105) and the mould groove (106) are all arranged in the lower mould (102), the shrinkage groove (105) is connected with a die groove (106), and the upper die (101) and the lower die (102) are both provided with die fitting teeth (104).

3. An injection mold for realizing core-pulling type demolding according to claim 2, wherein: the injection molding assembly (2) comprises an injection molding machine (201), an injection molding machine fixing seat (202) and fixing screws (203), wherein the injection molding machine fixing seat (202) is arranged on the left side of the injection molding machine (201) and is fixedly connected with the left side of the injection molding machine (201), and the fixing screws (203) are arranged on the periphery of the injection molding machine fixing seat (202).

4. An injection mold for realizing core-pulling type demolding according to claim 3, wherein: the limiting assembly (3) comprises a limiting block (301) and a first limiting hole (302), and the first limiting hole (302) is formed in the middle of the lower side of the limiting block (301).

5. An injection mold for realizing core-pulling type demolding according to claim 4, wherein: the fixing component (4) comprises a fixing plate (401) and two second limiting holes (402), wherein the two second limiting holes (402) are arranged in the upper half part of the fixing plate (401).

6. An injection mold for realizing core-pulling type demolding according to claim 5, wherein: atmospheric pressure subassembly (5) are including pneumatic thick stick (501) and pneumatic cylinder set screw (502), pneumatic cylinder set screw (502) are equipped with four, four pneumatic cylinder set screw (502) are located pneumatic thick stick (501) left side four angles.