CN218803683U

CN218803683U - Secondary parting injection mold with mold insert drawn out and demolded firstly

Info

Publication number: CN218803683U
Application number: CN202222964935.4U
Authority: CN
Inventors: 黄德伟; 杨春泰
Original assignee: Dongguan Deyun Industrial Co ltd
Current assignee: Dongguan Deyun Industrial Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-04-07
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses an earlier secondary parting injection mold who takes out drawing of patterns of mold insert, including front mould board, back mould benevolence, panel, back template and knot machine, the middle part of back template is provided with back die cavity, and back mould benevolence is installed in back die cavity, and the front mould is in the top of back template, and the upper end of template in the front is connected to the panel, is provided with the die cavity between panel and the front mould board, has placed the front mould mold insert in the die cavity, and the front mould mold insert inserts in the front mould board downwards, and the needle has been inserted to the middle part of front mould mold insert, and the upper end that the needle was inlayed to the front mould is connected on the panel. This secondary parting injection mold of drawing of patterns is earlier taken out to mold insert has solved the sticking problem through the secondary parting, and the first parting makes the product deviate from the die cavity earlier, and the preceding template is deviate from again in the secondary parting to guarantee that the product normally stays on the template of back, production goes on smoothly, a whole set of mould structure is reliable, with low costs, have the volume production nature, broken through traditional structure.

Description

Secondary parting injection mold with mold insert drawn out and demolded firstly

Technical Field

The utility model relates to a technical field of production mould especially relates to a mold insert takes out secondary parting injection mold of drawing of patterns earlier.

Background

Along with the development of the mold production process, more and more molds are developed and manufactured, the upgrading is short of structural innovation, the structure is updated to reduce the mold production cost, and the product quality process is improved.

The injection mold is generally divided into a front mold side part and a rear mold side part, a product is left on the rear mold side after injection molding, then the product is ejected out through an ejector rod of the injection molding machine, a cavity and ribs are arranged on the front mold side of the product, the problem that the product is stuck on the front mold often exists in the injection molding process, the side wall and the ribs are stretched and deformed, and the structure and the appearance quality of the product are influenced. The conventional treatment mode is to solve the problem of sticking the die by reducing the cavity and the ribs and increasing the inclination of the drawing die, but has the problems of limitation of product functions, influence on appearance, cost increase and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the utility model provides a secondary parting injection mold of mold insert drawing-out of patterns earlier for solve the problem that prior art exists.

To achieve the purpose, the utility model adopts the following technical proposal:

the secondary parting injection mold comprises a front template, a rear mold core, a panel, a rear template and a buckling machine, wherein a rear mold cavity is formed in the middle of the rear template, the rear mold core is installed in the rear mold cavity, the front template is located above the rear template, the panel is connected to the upper end of the front template, a cavity is formed between the panel and the front template, a front mold insert is placed in the cavity, the front mold insert is downwards inserted into the front template, a front mold embedding needle is inserted into the middle of the front mold insert, the upper end of the front mold embedding needle is connected to the panel, the buckling machine is installed on the outer side of the front template, the upper end of the buckling machine is connected with the outer side of the panel, and the lower end of the buckling machine is connected with the outer side of the rear template.

As a preferred technical scheme, the upper surface of the front template is provided with a glue groove, and elastic glue is arranged in the glue groove.

As a preferred technical scheme, an upper guide sleeve is installed on one side of the front template, lower guide sleeves are installed on one side of the rear template, and a guide post is installed on one side of the panel and inserted into the lower guide sleeve after penetrating through the upper guide sleeve.

As a preferable technical scheme, the panel is provided with an equal-height screw, and the equal-height screw penetrates through the panel and is connected to the front template through threads.

As a preferable technical solution, a fixing screw is provided on the panel, and the fixing screw passes through the panel and is screwed on the front mold insert.

As a preferable technical solution, a sealing ring is disposed at an upper end of the front mold insert pin, and the sealing ring is located between the front mold insert pin and the panel.

As a preferable technical solution, a positioning ring is further disposed on the upper surface of the panel.

As a preferred technical scheme, a base is further arranged below the rear template, a demoulding spring and an ejector pin are arranged on the base, the upper end of the demoulding spring is connected with the lower end of the rear template, and the ejector pin vertically and upwards sequentially penetrates through the rear template and the rear mold core.

The utility model has the advantages that: the utility model provides a secondary parting injection mold of drawing of patterns earlier is taken out to mold insert, this mold insert takes out secondary parting injection mold of drawing of patterns earlier has solved the sticking problem through secondary parting, and first parting makes the product deviate from the die cavity earlier, and the preceding template is deviate from again in the secondary parting to guarantee that the product normally stays on the template of back, production goes on smoothly, and a whole set of mould structure is reliable, with low costs, have the volume production nature, has broken through traditional structure.

Drawings

The present invention will be described in further detail with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of a two-shot parting injection mold with an insert first drawn out and demolded according to an embodiment;

FIG. 2 is an exploded view of a two shot injection mold with an insert first extracted and demolded according to an embodiment;

FIG. 3 is a first cross-sectional view of a two shot injection mold with an insert first extracted and demolded according to an embodiment;

FIG. 4 is a second cross-sectional view of a two shot mold with an insert first extracted and demolded according to an embodiment;

fig. 5 is a schematic view of an internal structure of the sear according to the embodiment.

In fig. 1 to 5:

1. a front template; 2. a rear mold core; 3. a front mold insert; 4. inserting a pin into the front mold; 5. a panel; 6. positioning rings; 7. a rear template; 8. buckling machine; 9. equal-height screws; 10. elastic glue; 11. fixing screws; 12. a seal ring; 13. a thimble; 14. a guide post; 15. an upper guide sleeve; 16. a lower guide sleeve; 17. a button machine main body; 18. a trigger collision block; 19. pulling a hook by a button machine; 20. a button machine pressing rod; 21. a button machine spring; 22. a base; 23. a stripper spring; 24. and (5) producing the product.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 5, in the present embodiment, a secondary parting injection mold with an insert extracted first includes a front mold plate 1, a rear mold core 2, a panel 5, a rear mold plate 7 and a fastener 8, wherein a rear mold cavity is formed in the middle of the rear mold plate 7, the rear mold core 2 is installed in the rear mold cavity, the front mold plate 1 is located above the rear mold plate 7, the panel 5 is connected to the upper end of the front mold plate 1, a cavity is formed between the panel 5 and the front mold plate 1, a front mold insert 3 is placed in the cavity, the front mold insert 3 is inserted downward into the front mold plate 1, a front mold insert 4 is inserted into the middle of the front mold insert 3, the upper end of the front mold insert 4 is connected to the panel 5, the fastener 8 is installed on the outer side of the front mold plate 1, the upper end of the fastener 8 is connected to the outer side of the panel 5, and the lower end of the fastener 8 is connected to the outer side of the rear mold plate 7.

The specific structure of the button sewing machine 8 comprises a button sewing machine main body 17, a button sewing machine collision block 18, a button sewing machine collision hook 19 and a button sewing machine pressing rod 20, the button sewing machine main body 17 is fixed on the rear template 7, a button sewing machine spring 21 is installed inside the button sewing machine main body 17, the button sewing machine collision block 18 transversely moves inside the button sewing machine main body 17 and is connected with the button sewing machine spring 21, the upper end of the button sewing machine pressing rod 20 is connected to the panel 5, the lower end of the button sewing machine collision hook 19 is connected to the rear template 7, the side edge of the button sewing machine pressing rod 20 is in contact with the end inclined plane of the button sewing machine collision block 18, and the button sewing machine collision hook 19 penetrates through the middle of the button sewing machine collision block 18 and is clamped with the button sewing machine collision block 18.

During demolding, the panel 5 is separated firstly for the first parting, the button press rod 20 on the button machine 8 is pulled up, the button press rod 20 controls the button machine collision block 18 to push inwards, the button machine collision block 18 controls the button machine spring 21 to contract inwards, the button machine collision block 18 releases the button machine pull hook 19, then the front template 1 and the rear template 7 can be separated for the second parting, and the front mold insert 4 is separated from the front mold insert 3 in the parting process, so that the front mold insert 3 can be separated from the product 24, and the product 24 can be conveniently separated.

The upper surface of the front template 1 is provided with a glue groove, elastic glue 10 is arranged in the glue groove, one side of the front template 1 is provided with an upper guide sleeve 15, one side of the rear template 7 is provided with a lower guide sleeve 16, one side of the panel 5 is provided with a guide post 14, the guide post 14 penetrates through the upper guide sleeve 15 and then is inserted into the lower guide sleeve 16, the panel 5 is provided with an equal-height screw 9, the equal-height screw 9 penetrates through the panel 5 and then is in threaded connection with the front template 1, the panel 5 is provided with a fixing screw 11, the fixing screw 11 penetrates through the panel 5 and then is in threaded connection with the front mold insert 3, the upper end of the front mold insert 4 is provided with a sealing ring 12, the sealing ring 12 is positioned between the front mold insert 4 and the panel 5, the upper surface of the panel 5 is also provided with a positioning ring 6, the lower part of the rear template 7 is also provided with a base 22, the base 22 is provided with a demolding spring 23 and an ejector pin 13, the upper end of the demolding spring 23 is connected with the lower end of the rear template 7, and the ejector pin 13 vertically and upwards penetrates through the rear template 2 in sequence.

In the assembling process of the die, the guide post 14 penetrates through the upper guide sleeve 15 and the lower guide sleeve 16 for positioning, the elastic glue 10 well protects the front die plate 1 and the panel 5 from hard contact, the whole die can be installed on different adaptive positions through the positioning ring 6, the adaptability is strong, and in the demolding process, a product 24 is ejected out by the ejector pin 13 below.

It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.

Claims

1. The secondary parting injection mold with the mold insert extracted and demolded firstly is characterized by comprising a front mold plate, a rear mold insert, a panel, a rear mold plate and a buckling machine, wherein a rear mold cavity is formed in the middle of the rear mold plate, the rear mold insert is installed in the rear mold cavity, the front mold plate is located above the rear mold plate, the panel is connected to the upper end of the front mold plate, a cavity is formed between the panel and the front mold plate, a front mold insert is placed in the cavity, the front mold insert is inserted downwards into the front mold plate, a front mold embedding needle is inserted into the middle of the front mold insert, the upper end of the front mold embedding needle is connected to the panel, the buckling machine is installed on the outer side of the front mold plate, the upper end of the buckling machine is connected to the outer side of the panel, and the lower end of the buckling machine is connected to the outer side of the rear mold plate.

2. The double-parting injection mold with the mold insert firstly extracted and demoulded according to claim 1, wherein a glue groove is formed in the upper surface of the front template, and elastic glue is arranged in the glue groove.

3. The secondary parting injection mold with the mold insert firstly extracted and demolded according to claim 1, wherein an upper guide sleeve is installed at one side of the front mold plate, a lower guide sleeve is installed at one side of the rear mold plate, and a guide pillar is installed at one side of the panel, penetrates through the upper guide sleeve and then is inserted into the lower guide sleeve.

4. The double-parting injection mold with the insert extracted and demolded according to claim 1, wherein the face plate is provided with an equal-height screw, and the equal-height screw penetrates through the face plate and is connected to the front template through threads.

5. The double shot molding mold with an insert extracted and demolded as claimed in claim 1, wherein the faceplate has set screws that are threaded onto the front mold insert after passing through the faceplate.

6. The double-parting injection mold with the insert extracted and demolded firstly as claimed in claim 1, wherein a sealing ring is disposed at an upper end of the front mold insert pin, and the sealing ring is located between the front mold insert pin and the face plate.

7. The double shot molding mold for insert first extraction and mold release according to claim 1, wherein a retaining ring is further provided on the upper surface of the face plate.

8. The secondary parting injection mold with the mold insert extracted and demolded firstly as claimed in claim 1, wherein a base is further disposed below the rear mold plate, a demolding spring and a thimble are disposed on the base, the upper end of the demolding spring is connected with the lower end of the rear mold plate, and the thimble vertically penetrates through the rear mold plate and the rear mold core upwards in sequence.