CN216373204U

CN216373204U - Oblique insert takes off product buckle injection mold

Info

Publication number: CN216373204U
Application number: CN202122635489.8U
Authority: CN
Inventors: 张荣聪; 高士军
Original assignee: Xiamen Duowei Precision Mould Co ltd
Current assignee: Xiamen Duowei Precision Mould Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-26
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an injection mold for product buckle removal of an inclined insert, which comprises a mold panel and an ejector pin bottom plate, wherein a sprue is arranged above the mold panel, an A plate is arranged below the mold panel, a B plate is arranged below the A plate, inclined insert bodies are arranged outside a front mold core and a rear mold core, an inclined insert return needle is arranged outside the inclined insert body, an ejector pin body is arranged on the inner wall of the inclined insert return needle, and an ejector pin guide block and an ejector pin panel are sequentially arranged outside the ejector pin body from top to bottom. This product buckle injection mold is taken off to oblique insert compares with current ordinary injection mold, and the thimble guide block is fixed on the B board, and the design of thimble body is at oblique insert body below clearance 0.05mm, has the thimble via hole on the oblique insert body, and the position of thimble via hole and thimble body is staggered not in same centre of a circle, and the back-off volume that the distance of staggering is made than plastics is some big for the thimble body can be through the stable removal of thimble guide block, promotes drawing of patterns quality.

Description

Oblique insert takes off product buckle injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for removing product buckles of an inclined insert.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

When the existing injection mold is used for demolding some complex models, the effect is poor, the quality of the models is easily influenced, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing injection mold according to the condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for removing a product buckle of an inclined insert, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an inlay piece and take off product buckle injection mold to one side, includes mould panel and thimble bottom plate, the top of mould panel is provided with the runner, and installs the A board in the below of mould panel, the below of A board is provided with the B board, and the inner wall of B board installs front and back mould benevolence, the externally mounted of front and back mould benevolence has oblique mold insert body, and the outside of inlaying the body to one side is provided with an oblique piece return needle, the thimble body is installed to the inner wall of oblique mold insert return needle, and the outside of thimble body from last thimble guide block and the thimble panel of down having set gradually, thimble bottom plate installs in the below of thimble panel, the outside below of B board is provided with the mould foot, and the mould bottom plate is installed to the below of mould foot, one side of A board is provided with the subassembly that cleans that is used for cleaning.

Preferably, the lower surface of the plate A is attached to the upper surface of the plate B, and the central axis of the plate A coincides with the central axis of the plate B.

Preferably, four inclined insert bodies are symmetrically arranged along the central positions of the front and rear mold cores, and the central axes of the front and rear mold cores are coincident with the central axis of the B plate.

Preferably, the cleaning assembly comprises an annular groove, an annular pipe and an inclined nozzle, the annular pipe is fixed on the inner wall of the annular groove, and the inclined nozzle is arranged below the annular pipe.

Preferably, the circle center of the annular groove coincides with the circle center of the annular pipe, and the inclined nozzles are distributed at equal intervals along the horizontal direction of the annular pipe.

Preferably, clean the subassembly and still include and connect trachea and solenoid valve, one side of annular pipe is provided with connects the trachea, and connects the externally mounted of trachea to have the solenoid valve.

Preferably, the air receiving pipe is communicated with the annular pipe, and the section of the annular pipe is rectangular.

Compared with the prior art, the utility model has the beneficial effects that: the ejector pin body can stably move through the ejector pin guide block, the demolding mode is convenient and fast, the demolding quality is improved, and the oblique insert product buckle-removing injection mold has a purging function and improves the molding quality of a model;

1. according to the utility model, through the arrangement of the inclined insert body, the return pin of the inclined insert, the thimble body, the thimble guide block, the thimble panel and the thimble bottom plate, when the thimble bottom plate is pushed upwards, the thimble body below the inclined insert body pushes the inclined insert body upwards, when the back-off is moved to be demoulded, the inclined insert body stops moving, the thimble body continuously passes through the hole in the inclined insert body, when the product is continuously pushed out, the thimble body passes through the hole in the return pin of the inclined insert and is directly pushed to the product higher than the inclined insert body, the push-out is completed, so that the thimble body can stably move through the thimble guide block, the demoulding way is convenient and fast, and the demoulding quality is improved;

2. according to the utility model, through the arrangement of the annular groove, the annular pipe, the inclined nozzle, the gas receiving pipe and the electromagnetic valve, a gas source is connected onto the gas receiving pipe, when the plate A is separated from the plate B, the electromagnetic valve is opened, gas enters the annular pipe and is sprayed out from the inclined nozzle, the surface of the product buckle injection mold of the inclined insert is purged, the influence of impurities on the molding quality of a model is avoided, the annular groove is designed in a flaring manner, the blown gas can be ensured not to be shielded, so that the product buckle injection mold of the inclined insert has a purging function, and the molding quality of the model is improved.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic illustration of the exploded structure of the present invention in partial cross-section from the front view;

FIG. 3 is a schematic perspective view of the front and rear molds of the present invention;

FIG. 4 is a schematic perspective sectional view of the front and rear mold cores of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a mold face plate; 2. a gate; 3. a, a plate; 4. b, plate; 5. a front mold core and a rear mold core; 6. an oblique insert body; 7. back stitching of the oblique inlaid piece; 8. a thimble body; 9. a thimble guide block; 10. a thimble panel; 11. a thimble base plate; 12. a mould leg; 13. a mold base plate; 14. a sweeping assembly; 1401. an annular groove; 1402. an annular tube; 1403. tilting the nozzle; 1404. a gas receiving pipe; 1405. an electromagnetic valve.

Detailed Description

As shown in fig. 1-4, an injection mold for product buckle removal of an oblique insert comprises a mold panel 1 and an ejector pin base plate 11, wherein a sprue 2 is arranged above the mold panel 1, an a plate 3 is arranged below the mold panel 1, a B plate 4 is arranged below the a plate 3, front and rear mold cores 5 are arranged on the inner wall of the B plate 4, the lower surface of the a plate 3 is attached to the upper surface of the B plate 4, the central axis of the a plate 3 is coincident with the central axis of the B plate 4, an oblique insert body 6 is arranged outside the front and rear mold cores 5, an oblique insert return pin 7 is arranged outside the oblique insert body 6, four oblique insert bodies 6 are symmetrically arranged along the central position of the front and rear mold cores 5, the central axes of the front and rear mold cores 5 are coincident with the central axis of the B plate 4, an ejector pin body 8 is arranged on the inner wall of the oblique insert return pin 7, and an ejector pin guide block 9 and an ejector pin panel 10 are sequentially arranged outside the ejector pin body 8 from top to bottom, the ejector pin bottom plate 11 is installed below the ejector pin panel 10, when the ejector pin bottom plate 11 pushes up, the ejector pin body 8 below the inclined insert body 6 pushes up the inclined insert body 6, when the reverse buckle moves to be capable of demoulding, the inclined insert body 6 stops moving, the ejector pin body 8 continuously penetrates through a hole in the inclined insert body 6, when the product continuously pushes out, the hole in the inclined insert return pin 7 is penetrated, the product is pushed up to be higher than the inclined insert body 6, the ejection is completed, the ejector pin body 8 can stably move through the ejector pin guide block 9, the demoulding mode is convenient and fast, the demoulding quality is improved, the mold feet 12 are arranged below the outer part of the B plate 4, and the mold bottom plate 13 is installed below the mold feet 12.

As shown in fig. 5, a cleaning assembly 14 for cleaning is arranged on one side of the a plate 3, the cleaning assembly 14 includes an annular groove 1401, an annular pipe 1402 and inclined nozzles 1403, the annular pipe 1402 is fixed on the inner wall of the annular groove 1401, the inclined nozzles 1403 are arranged below the annular pipe 1402, the circle center of the annular groove 1401 coincides with the circle center of the annular pipe 1402, the inclined nozzles 1403 are equidistantly distributed along the horizontal direction of the annular pipe 1402, the cleaning assembly 14 further includes a gas receiving pipe 1404 and an electromagnetic valve 1405, a gas receiving pipe 1404 is arranged on one side of the annular pipe 1402, the electromagnetic valve 1405 is arranged outside the gas receiving pipe 1404, the gas receiving pipe 1404 and the annular pipe 1402 are mutually communicated, the section of the annular pipe 1402 is rectangular, a gas source is connected to the gas receiving pipe 1404, when the a plate 3 is separated from the B plate 4, the electromagnetic valve 1405 is opened, the gas enters the annular pipe 1402 and is ejected from the inclined nozzles to purge the surface of the product buckle injection mold of the inclined insert, avoid having impurity influence model shaping quality, ring channel 1401 is the flaring design, can ensure that the gas that blows out is not sheltered from for this oblique piece takes off product buckle injection mold and possesses the function of sweeping, promotes model shaping quality.

The working principle is as follows: when the oblique insert product buckle-removing injection mold is used, firstly, a mold panel 1, a sprue 2, an A plate 3, a B plate 4, a front mold core and a rear mold core 5, an oblique insert body 6, an oblique insert return pin 7, an ejector pin body 8, an ejector pin guide block 9, an ejector pin panel 10, an ejector pin bottom plate 11, mold feet 12, a mold bottom plate 13, a cleaning assembly 14, an annular groove 1401, an annular pipe 1402, an oblique nozzle 1403, an air receiving pipe 1404, an electromagnetic valve 1405, a guide post, a guide sleeve and the like are sequentially assembled together, a design hanging table is arranged on the oblique insert body 6, an oblique insert return pin 7 is arranged on the hanging table, the ejector pin guide block 9 and the ejector pin body 8 are arranged below the hanging table, the ejector pin guide block 9 is fixed on the B plate 4, the ejector pin body 8 is designed at a gap of 0.05mm below the oblique insert body 6, an ejector pin through hole is designed on the oblique insert body 6, the positions of the ejector pin through hole and the ejector pin body 8 are staggered and are not in the same center, and the distance is larger than the reverse buckling amount made of plastics, there is design oil groove in four sides of an inclined piece, during injection molding production, after the front and back moulds are opened, when the thimble bottom plate 11 is pushed up, the thimble body 8 below the inclined insert body 6 pushes up the inclined insert body 6, when the back-off can be demoulded, the inclined insert body 6 stops moving, the thimble body 8 continues to pass through the hole on the inclined insert body 6, when the product continues to be pushed out, the product passes through the hole on the return needle 7 of the inclined insert, the product is directly pushed to be higher than the inclined insert body 6, the pushing-out is completed, after the pushing-out is completed, the thimble bottom plate 11 is pulled back by the machine ejector rod, the thimble body 8 returns, when the mould is closed, the front mould core touches the return needle 7 of the inclined insert, the return needle 7 of the inclined insert presses the inclined insert body 6 back to the original position, which is the working principle of the inclined insert product buckle-removing injection mould.

Claims

1. An oblique insert product-removing buckle injection mold comprises a mold panel (1) and an ejector pin base plate (11), and is characterized in that a sprue (2) is arranged above the mold panel (1), an A plate (3) is arranged below the mold panel (1), a B plate (4) is arranged below the A plate (3), front and rear mold cores (5) are arranged on the inner wall of the B plate (4), an oblique insert body (6) is arranged outside the front and rear mold cores (5), an oblique insert return pin (7) is arranged outside the oblique insert body (6), an ejector pin body (8) is arranged on the inner wall of the oblique insert return pin (7), an ejector pin guide block (9) and an ejector pin panel (10) are sequentially arranged outside the ejector pin body (8) from top to bottom, the ejector pin base plate (11) is arranged below the ejector pin panel (10), and mold feet (12) are arranged below the outer part of the B plate (4), and a mould bottom plate (13) is arranged below the mould feet (12), and one side of the A plate (3) is provided with a cleaning assembly (14) for cleaning.

2. The injection mold for the product-removing buckle of the inclined insert as claimed in claim 1, wherein the lower surface of the plate A (3) is attached to the upper surface of the plate B (4), and the central axis of the plate A (3) coincides with the central axis of the plate B (4).

3. The inclined insert product-removing buckle injection mold according to claim 1, wherein four inclined insert bodies (6) are symmetrically arranged along the center positions of the front and rear mold cores (5), and the central axes of the front and rear mold cores (5) coincide with the central axis of the B plate (4).

4. An angle insert product release buckle injection mold according to claim 1, characterized in that the sweeping component (14) comprises an annular groove (1401), an annular pipe (1402) and an inclined nozzle (1403), the annular pipe (1402) is fixed on the inner wall of the annular groove (1401), and the inclined nozzle (1403) is arranged below the annular pipe (1402).

5. The angle insert product release buckle injection mold of claim 4, wherein a center of the annular groove (1401) coincides with a center of the annular tube (1402), and the inclined nozzles (1403) are equidistantly distributed along a horizontal direction of the annular tube (1402).

6. The diagonal insert product-removing buckle injection mold according to claim 4, wherein the sweeping assembly (14) further comprises an air receiving pipe (1404) and a solenoid valve (1405), the air receiving pipe (1404) is arranged on one side of the annular pipe (1402), and the solenoid valve (1405) is mounted outside the air receiving pipe (1404).

7. The injection mold for the product release buckle of the bezel insert as claimed in claim 6, wherein said air receiving tube (1404) and the annular tube (1402) are communicated with each other, and the section of the annular tube (1402) is rectangular.