CN210047016U - Tertiary line position demolding structure of injection mold - Google Patents

Tertiary line position demolding structure of injection mold Download PDF

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Publication number
CN210047016U
CN210047016U CN201922434810.9U CN201922434810U CN210047016U CN 210047016 U CN210047016 U CN 210047016U CN 201922434810 U CN201922434810 U CN 201922434810U CN 210047016 U CN210047016 U CN 210047016U
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China
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slide
insert
piece
slider
injection mold
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CN201922434810.9U
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景伟德
郭锐
李千胜
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CIXI SHENGYI MOLD CO LTD
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CIXI SHENGYI MOLD CO LTD
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Abstract

The utility model provides a three-level slide demolding structure of an injection mold, which comprises a first slide mold insert, an inclined guide pillar, a second slide mold insert, a third slide mold insert and a fourth slide mold insert, wherein the first slide mold insert is slidably arranged on a rear mold; the first slide piece is arranged on the first slide insert in a sliding manner, and the second slide piece is arranged on the first slide piece in a sliding manner; the first slide piece is fixedly connected with the third slide piece, and the second slide piece is fixedly connected with the fourth slide piece; the inclined guide post sequentially penetrates through the first slider and the second slider, the first slider is provided with a clearance groove matched with the inclined guide post, and the rear die is provided with an oil cylinder used for driving the first slide insert to slide. The utility model provides a pair of tertiary capable position of injection mold demolding structure has overcome the current die sinking structure and is not suitable for the complicated mould goods of structure, is difficult for the die sinking, easily produces the defect of wastrel.

Description

Tertiary line position demolding structure of injection mold
Technical Field
The utility model relates to an injection mold field especially relates to a tertiary capable position demolding structure of injection mold.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. The injection mold mainly comprises a fixed mold and a movable mold, wherein the fixed mold is installed on a fixed seat plate of the injection molding machine, and the movable mold is installed on a movable seat plate of the injection molding machine. During injection molding, the fixed mold and the movable mold are closed, and plastic enters the mold cavity through the nozzle. When the mold is opened, the fixed mold and the movable mold are separated, and then the ejection mechanism acts to eject the injection molding piece.
In an injection mold, for a plastic part product with a relatively simple shape, a molded plastic part product can be taken off from the mold only by one-time mold opening, while for a plastic part product with a relatively complex structure or a relatively large size, a one-time mold opening method cannot enable a complex part of the plastic part product to be smoothly demolded, and if mold opening is forcibly performed, the complex part or the appearance of the plastic part product can be damaged or damaged, defective products are generated, the production rate is reduced, and the manufacturing cost is increased. Therefore, the mold cannot be opened by the conventional mold opening method when the mold is opened for the plastic product with a complicated structure or a large size.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved.
The utility model aims to solve the problem that a tertiary capable position demolding structure of injection mold is provided to overcome the current die sinking structure and be not suitable for the complicated mould goods of structure, be difficult for the die sinking, easily produce the defect of wastrel.
The second technical proposal.
In order to solve the technical problem, the utility model provides a three-level slide demolding structure of an injection mold, which comprises a first slide mold insert, an inclined guide pillar, a second slide mold insert, a third slide mold insert and a fourth slide mold insert, wherein the first slide mold insert is slidably arranged on a rear mold; a first slide piece is slidably mounted on the first slide insert, and a second slide piece is slidably mounted on the first slide piece; the first slide piece is fixedly connected with the third slide piece, and the second slide piece is fixedly connected with the fourth slide piece; the inclined guide post sequentially penetrates through the first slider and the second slider, the end part of the inclined guide post is arranged in the groove of the first line position insert, the first slider is provided with a clearance groove matched with the inclined guide post, and the rear die is provided with an oil cylinder for driving the first line position insert to slide; when the mold is opened, the inclined guide post drives the second slide piece to slide, after the second slide piece slides for a certain distance, the inclined guide post drives the first slide piece to slide, the second slide piece stops sliding after being separated from the glue position, and the oil cylinder drives the first slide insert to slide until being separated from the glue position.
Adopt such structure, through the cooperation of first slide mold insert, first saddle, second saddle and oblique guide pillar, during the die sinking, oblique guide pillar can drive the second saddle earlier and slide, because be provided with on the first saddle with oblique guide pillar complex keep away the dead slot, after the second saddle slides a section distance, oblique guide pillar just drives first saddle and slides, then first slide mold insert slides until breaking away from gluey position, accomplish the tertiary drawing of patterns of going, be applicable to the more complicated injection molding of structure, it is more convenient to make the product drawing of patterns, guaranteed drawing of patterns quality, be favorable to improving the qualification rate of product, practice thrift manufacturing cost.
Furthermore, an oil cylinder seat is fixed on the rear die, the oil cylinder is fixed on the oil cylinder seat, a piston rod of the oil cylinder is fixedly connected with the T-shaped connecting block, and a first T-shaped groove matched with the T-shaped connecting block is formed in the first alignment insert.
Further, first limiting blocks are symmetrically installed on the rear die, and first limiting bulges matched with the first limiting blocks are symmetrically arranged at two ends of the first aligning insert; and the rear die is provided with a guide block at the bottom of the first line position insert, and the first line position insert is provided with a guide groove matched with the guide block.
Furthermore, second limiting blocks are symmetrically fixed on the first slide piece, and second limiting bulges matched with the second limiting blocks are symmetrically arranged at two ends of the first slide piece.
Furthermore, the overall profile of the second slide piece is T-shaped, and a second T-shaped groove matched with the T-shaped second slide piece is arranged on the first slide piece.
Furthermore, the inside of the first slide piece and the end of the second slide piece are respectively provided with an L-shaped groove, and the third position insert and the fourth position insert are respectively provided with an L-shaped protrusion matched with the L-shaped groove.
Furthermore, an inclined edge seat is fixed on the front die, and the inclined guide post is fixed on the inclined edge seat.
Further, a third limiting block is mounted on the first slide insert, and a limiting groove matched with the third limiting block is formed in the bottom of the second slide piece; when the second sliding piece is separated from the glue position, the third limiting block abuts against the second sliding piece.
Further, fourth limiting blocks for limiting the first sliding piece are symmetrically arranged on the first slide insert; when the first sliding piece is separated from the glue position, the fourth limiting block abuts against the first sliding piece.
Furthermore, the upper end of the middle part of the first slide insert is provided with a wear-resistant block.
(III) the beneficial effects.
The utility model provides a three-level slide demolding structure of an injection mold, which has simple structure and convenient installation; the first slide insert, the first slide piece, the second slide piece and the inclined guide post are matched, so that three-stage demolding of the slide can be completed, the mold is suitable for injection molding parts with complex structures, the product demolding is more convenient, the demolding quality is ensured, the qualification rate of the product is improved, and the manufacturing cost is saved; the defects that the existing mold opening structure is not suitable for plastic parts with complex structures, is not easy to open the mold and is easy to generate defective products are overcome.
Drawings
Fig. 1 is a perspective view of the three-level slide demolding structure of the injection mold of the present invention.
Fig. 2 is the utility model discloses a tertiary capable position demolding structure of injection mold dissects the cross-sectional view along A-A.
Fig. 3 is an enlarged view of a portion I of fig. 2.
Fig. 4 is the utility model relates to a three-level slide demolding structure of injection mold after half cut open the stereogram.
Fig. 5 is an exploded view of the three-level slide demolding structure of the injection mold of the present invention.
The corresponding part names for the various reference numbers in the figures are: 1. a rear mold; 2. a first slide insert; 3. a front mold; 4. an inclined guide post; 5. a first slider; 6. a second slider; 7. a second slide insert; 8. a third line position insert; 9. a fourth positioning insert; 10. a cylinder block; 11. an oil cylinder; 12. a T-shaped connecting block; 13. a first stopper; 14. a guide block; 15. a second limiting block; 16. an L-shaped slot; 17. an L-shaped protrusion; 18. a bevel seat; 19. a third limiting block; 20. a fourth limiting block; 21. a wear-resistant block; 201. a first T-shaped slot; 202. a first limit protrusion; 501. an empty avoiding groove; 502. a second limit bulge; 503. a second T-shaped slot; 601. a limiting groove.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, the utility model provides a three-level slide demolding structure of an injection mold, which comprises a first slide mold insert 2 slidably mounted on a rear mold 1, an inclined guide post 4 fixed on a front mold 3, a second slide mold insert 7, a third slide mold insert 8 and a fourth slide mold insert 9; a first slide piece 5 is arranged on the first slide insert 2 in a sliding way, and a second slide piece 6 is arranged on the first slide piece 5 in a sliding way; the first slide piece 5 is fixedly connected with the third slide piece 8, the second slide piece 6 is fixedly connected with the fourth slide piece 9, and the first slide piece 2, the second slide piece 7, the third slide piece 8 and the fourth slide piece 9 are used for forming a product by matching with a core; the inclined guide post 4 sequentially penetrates through the first slider 5 and the second slider 6, inclined sliding grooves for the inclined guide post 4 to pass through are formed in the first slider 5 and the second slider 6, grooves are formed in the end face of the first line position insert 2, the end portion of the inclined guide post 4 is arranged in the grooves of the first line position insert 2, a clearance groove 501 matched with the inclined guide post 4 is formed in the first slider 5, and an oil cylinder 11 used for driving the first line position insert 2 to slide is mounted on the rear die 1; when the mold is opened, the inclined guide post 4 drives the second slider 6 to slide, after the second slider 6 slides for a certain distance, the inclined guide post 4 drives the first slider 5 to slide, the second slider 6 stops sliding after being separated from the glue position, and the oil cylinder 11 drives the first slide insert 2 to slide until being separated from the glue position.
Referring to fig. 3 to 5, an oil cylinder base 10 is fixed on the rear mold 1 through a bolt, an oil cylinder 11 is fixed on the oil cylinder base 10 through a bolt, a piston rod is arranged on the oil cylinder 11 and penetrates through the oil cylinder base 10, a through hole through which the piston rod can conveniently penetrate is arranged on the oil cylinder base 10, the piston rod of the oil cylinder 11 is fixedly connected with the T-shaped connecting block 12 through a bolt, and a first T-shaped groove 201 matched with the T-shaped connecting block 12 is arranged on the first slide insert 2. In this way, the first slide insert 2 is directly pushed to slide by the oil cylinder 11, which is beneficial to simplifying the demoulding structure.
Referring to fig. 4 and 5, first limiting blocks 13 for limiting the first slide inserts 2 are symmetrically fixed on the rear mold 1 through bolts, and first limiting protrusions 202 matched with the first limiting blocks 13 are symmetrically arranged at two ends of the first slide inserts 2; the rear die 1 is provided with a guide block 14 at the bottom of the first slide insert 2, the first slide insert 2 is provided with a guide groove matched with the guide block 14, and the first slide insert 2 can slide on the guide block 14. This mode is favorable to guaranteeing the gliding reliability of first line position mold insert 2 on back mould 1, guarantees that the drawing of patterns is smooth.
Referring to fig. 4 and 5, the first slide insert 2 is symmetrically fixed with a second stopper 15 for limiting the first slide 5 by a bolt, and second limiting protrusions 502 matched with the second stopper 15 are symmetrically arranged at two ends of the first slide 5. In this way, the reliability of the sliding of the first slider 5 on the first slide insert 2 is ensured, and smooth demolding is ensured.
Referring to fig. 4 and 5, the overall profile of the second slide 6 is T-shaped, the bottom of the first slide 5 is provided with a second T-shaped slot 503 matched with the T-shaped second slide 6, and the second slide 6 is in movable contact with the first slide insert 2. In this way, the reliability of the sliding of the second slider 6 on the first slider 5 is ensured, and smooth demolding is ensured.
Referring to fig. 2 to 5, the inside of the first slider 5 and the end of the second slider 6 are respectively provided with an L-shaped slot 16, the third position insert 8 and the fourth position insert 9 are respectively provided with an L-shaped protrusion 17 matching with the L-shaped slot 16, the third position insert 8 is fixed on the first slider 5 by a bolt, and the fourth position insert 9 is fixed on the second slider 6 by a bolt. Through the cooperation of L shape arch 17 and L shape groove 16, when first slider 5 and second slider slip, can reduce the shearing force that the bolt received, prevent that the bolt from damaging, and then guarantee the reliability of overall structure.
Referring to fig. 2 to 4, the front mold 3 is fixed with a bevel base 18, and the bevel guide post 4 is fixed on the bevel base 18, so that the installation and the assembly are convenient.
Referring to fig. 3 to 5, the first slide insert 2 is fixed with a third stop block 19 by a bolt, and the bottom of the second slide 6 is provided with a stop groove 601 matched with the third stop block 19; when the second slider 6 is out of the glue position, the third stopper 19 abuts against the second slider 6 and restricts the sliding of the second slider 6.
Referring to fig. 3 to 5, a fourth limiting block 20 for limiting the first slide 5 is symmetrically fixed on the first slide insert 2 through a bolt; when the first slider 5 is out of the glue position, the fourth stopper 20 abuts against the first slider 5 and restricts the sliding of the first slider 5.
Referring to fig. 4 and 5, the upper end of the middle part of the first slide insert 2 is provided with a wear block 21. The wear-resisting block 21 is arranged, so that the abrasion of the first slide insert 2 and the second slide 6 can be reduced, and the service life is prolonged.
When the mold is opened, the upper mold 1 drives the inclined guide post 4 to move upwards, the inclined guide post 4 drives the second slide piece 6 to slide and open the mold, the second slide piece 6 drives the fourth positioning insert 9 to slide, when the second slide piece 6 drives the fourth positioning insert 9 to separate from the glue position, the third limiting block 19 abuts against the second slide piece 6, and the second slide piece 6 stops moving; because the clearance groove 501 is arranged on the first slider 5, after the second slider 6 slides for a certain distance, the inclined guide post 4 drives the first slider 5 to slide and open the mold, the first slider 5 drives the third position insert 8 to slide, when the first slider 5 drives the third position insert 8 to separate from the glue position, the fourth limiting block 20 abuts against the first slider 5, and the first slider 5 stops moving; then the oil cylinder 11 drives the first slide insert 2 to slide and open the mold, the first slide insert 2 drives the second slide insert 7 to separate from the glue position, and then the third demolding of the slide is completed.
The three-level slide demolding structure of the injection mold provided by the embodiment is simple in structure and convenient to install; the first slide insert, the first slide piece, the second slide piece and the inclined guide post are matched, so that three-stage demolding of the slide can be completed, the mold is suitable for injection molding parts with complex structures, the product demolding is more convenient, the demolding quality is ensured, the qualification rate of the product is improved, and the manufacturing cost is saved; the defects that the existing mold opening structure is not suitable for plastic parts with complex structures, is not easy to open the mold and is easy to generate defective products are overcome.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a tertiary line position demolding structure of injection mold which characterized in that: the mold comprises a first slide insert (2) slidably mounted on a rear mold (1), an inclined guide post (4) fixed on a front mold (3), a second slide insert (7), a third slide insert (8) and a fourth slide insert (9); a first slide piece (5) is arranged on the first slide insert (2) in a sliding manner, and a second slide piece (6) is arranged on the first slide piece (5) in a sliding manner; the first slide (5) is fixedly connected with the third slide insert (8), and the second slide (6) is fixedly connected with the fourth slide insert (9); the inclined guide post (4) sequentially penetrates through the first slider (5) and the second slider (6), the end part of the inclined guide post (4) is arranged in a groove of the first slide insert (2), a clearance groove (501) matched with the inclined guide post (4) is formed in the first slider (5), and an oil cylinder (11) used for driving the first slide insert (2) to slide is mounted on the rear die (1); when the mold is opened, the inclined guide post (4) drives the second slider (6) to slide, after the second slider (6) slides for a certain distance, the inclined guide post (4) drives the first slider (5) to slide, the second slider (6) stops sliding after being separated from the glue position, and the oil cylinder (11) drives the first line position insert (2) to slide until being separated from the glue position.
2. The three-level slide demolding structure of an injection mold according to claim 1, wherein: an oil cylinder seat (10) is fixed on the rear die (1), the oil cylinder (11) is fixed on the oil cylinder seat (10), a piston rod of the oil cylinder (11) is fixedly connected with a T-shaped connecting block (12), and a first T-shaped groove (201) matched with the T-shaped connecting block (12) is formed in the first alignment insert (2).
3. The three-level slide demolding structure of an injection mold according to claim 1, wherein: first limiting blocks (13) are symmetrically installed on the rear die (1), and first limiting bulges (202) matched with the first limiting blocks (13) are symmetrically arranged at two ends of the first slide insert (2); the rear die (1) is provided with a guide block (14) at the bottom of the first slide insert (2), and the first slide insert (2) is provided with a guide groove matched with the guide block (14).
4. The three-level slide demolding structure of an injection mold according to claim 1, wherein: second limiting blocks (15) are symmetrically fixed on the first slide insert (2), and second limiting bulges (502) matched with the second limiting blocks (15) are symmetrically arranged at two ends of the first slide piece (5).
5. The three-level slide demolding structure of an injection mold according to claim 1, wherein: the overall outline of the second slide piece (6) is T-shaped, and a second T-shaped groove (503) matched with the T-shaped second slide piece (6) is arranged on the first slide piece (5).
6. The three-level slide demolding structure of an injection mold according to claim 1, wherein: the inner part of the first sliding piece (5) and the end part of the second sliding piece (6) are respectively provided with an L-shaped groove (16), and the third row position insert piece (8) and the fourth row position insert piece (9) are respectively provided with an L-shaped bulge (17) matched with the L-shaped groove (16).
7. The three-level slide demolding structure of an injection mold according to claim 1, wherein: an inclined edge seat (18) is fixed on the front die (3), and the inclined guide post (4) is fixed on the inclined edge seat (18).
8. The three-level slide demolding structure of an injection mold according to claim 1, wherein: a third limiting block (19) is mounted on the first slide insert (2), and a limiting groove (601) matched with the third limiting block (19) is formed in the bottom of the second slide piece (6); when the second sliding piece (6) is separated from the glue position, the third limiting block (19) abuts against the second sliding piece (6).
9. The three-level slide demolding structure of an injection mold according to claim 1, wherein: a fourth limiting block (20) for limiting the first sliding piece (5) is symmetrically arranged on the first slide insert (2); when the first sliding piece (5) is separated from the glue position, the fourth limiting block (20) abuts against the first sliding piece (5).
10. An injection mold three-stage slide demolding structure as claimed in any one of claims 1 to 9, wherein: and the upper end of the middle part of the first slide insert (2) is provided with a wear-resistant block (21).
CN201922434810.9U 2019-12-30 2019-12-30 Tertiary line position demolding structure of injection mold Active CN210047016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922434810.9U CN210047016U (en) 2019-12-30 2019-12-30 Tertiary line position demolding structure of injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922434810.9U CN210047016U (en) 2019-12-30 2019-12-30 Tertiary line position demolding structure of injection mold

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CN210047016U true CN210047016U (en) 2020-02-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113334706A (en) * 2021-06-28 2021-09-03 深圳市美好创亿医疗科技股份有限公司 Three-time homodromous core-pulling mechanism and injection mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113334706A (en) * 2021-06-28 2021-09-03 深圳市美好创亿医疗科技股份有限公司 Three-time homodromous core-pulling mechanism and injection mold

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