CN210389985U - Plastic injection mold with inner side protrusions - Google Patents

Plastic injection mold with inner side protrusions Download PDF

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Publication number
CN210389985U
CN210389985U CN201921101305.6U CN201921101305U CN210389985U CN 210389985 U CN210389985 U CN 210389985U CN 201921101305 U CN201921101305 U CN 201921101305U CN 210389985 U CN210389985 U CN 210389985U
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fixed
plate
movable mould
mold
insert
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CN201921101305.6U
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Chinese (zh)
Inventor
唐聪
王伟
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Dalian Dapeng Precision Molding Co Ltd
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Dalian Dapeng Precision Molding Co Ltd
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Abstract

The utility model provides a plastics injection mold with inboard arch, belongs to mould shaping technical field, including cover half, movable mould, guide pillar, and the cover half merges or the separation installation through guide pillar and movable mould. The fixed die comprises a fixed die fixing plate, a fixed die insert and a sliding device, wherein the sliding device comprises a base, a pouring sleeve, an inclined guide pillar, a sliding block and a wedge-pulling block; the movable mould comprises a movable mould fixing plate, a movable mould plate, an elastic locking device, a movable mould insert, an ejector rod, an ejector fixing plate and an ejector plate. Reasonable in design, simple structure through slider, spacing bolt and elasticity locking device's design, divide into three aspect with the drawing of patterns and separate, and the first layer is with cover half fixed plate and fixed die plate separation, and the second floor will be through fixed die plate and movable mould board separation, and the third layer is with product and movable mould insert the separation, easy operation, and drawing of patterns is fast.

Description

Plastic injection mold with inner side protrusions
Technical Field
The utility model belongs to the technical field of the mould shaping, concretely relates to plastics injection mold with inboard arch.
Background
Along with the development of society, various adapting unit is more and more, and for factors such as pleasing to the eye, practicality or safety, often some baffles or connection lid all can adopt the inboard to have bellied connection and grab, not only can carry out the connection effect like this, connect the back connection and grab the inboard and do not influence the pleasing to the eye of outward appearance in addition, can also play the effect of protection connection and grab. However, in such products, the demolding after injection molding is very difficult and inconvenient, often resulting in low production efficiency due to the difficulty in demolding and also in an increase in the defective rate of demolding.
Disclosure of Invention
The utility model aims at providing a plastics injection mold with inboard bellied, through the inside slider design of cover half, can solve the not enough of prior art.
The utility model discloses a realize a plastics injection mold with inboard arch through following mode, including cover half, movable mould, guide pillar, the cover half merges or the separation installation through guide pillar and movable mould. The fixed die comprises a fixed die fixing plate, a fixed die insert and a sliding device, wherein the sliding device comprises a base, a pouring sleeve, inclined guide pillars, a sliding block and a wedge-pulling block; secondly, fixing the fixed die insert inside the fixed die plate, and placing a pair of sliding blocks above the fixed die insert, wherein the sliding blocks are also positioned inside the fixed die plate; the lower end of the inclined guide post is inserted into the slide block and is in sliding connection with the slide block, and a wedge-pulling block is just placed in a slide way between the two slide blocks; the fixed die fixing plate is fixedly connected with the fixed die plate through a limiting bolt, and the fixed die insert is arranged in the fixed die plate; the movable mould comprises a movable mould fixing plate, the movable mould fixing plate is fixedly connected with a movable mould plate through mould legs, the movable mould plate is fixedly connected with a fixed mould plate through an elastic locking device, a movable mould insert is installed in the movable mould plate, the movable mould insert is matched with the fixed mould insert and a slide block to form a mould cavity, the top end of a mandril penetrates through the movable mould plate and the movable mould insert and then is located in the mould cavity, the tail end of the mandril is fixed on an ejection fixing plate, and the ejection fixing plate is fixed on an ejection plate.
A groove and a limiting groove are formed in the optimized fixed die plate, a pre-opening spring is installed in the groove, a limiting end of a limiting bolt is installed in the limiting groove, and the other end of the limiting bolt is fixed on the fixed die fixing plate.
A groove is formed in one end of the connecting part of the sliding block and the fixed die plate, and a spring is installed in the groove.
The elastic locking device consists of a locking nail and elastic rubber, the elastic rubber is fixed on the surface of the movable template through the locking nail, and the elastic rubber is assembled in a locking groove on the fixed template after the fixed template and the movable template are combined.
The lower end of the sliding block is provided with a sliding block inner hole, and an exhaust pin is arranged in the sliding block inner hole.
The preferable ejector pins are 4 and are arranged side by side, the preferable limiting bolts are 4, two adjacent limiting bolts are arranged on the same straight line, the preferable elastic locking devices are 6, and the 6 elastic locking devices are uniformly arranged on the movable template in 360 degrees.
The utility model has the advantages of reasonable design, simple structure, through slider, spacing bolt and elasticity locking device's design, divide into three aspect with the drawing of patterns and separate, the first layer is with cover half fixed plate and fixed die plate separation, the second floor will be through fixed die plate and movable mould board separation, the third layer is the separation of inserting product and movable mould, easy operation, the drawing of patterns is fast, has reduced the bad probability that leads to the product to damage of the drawing of patterns, has improved injection moulding's efficiency greatly.
Drawings
FIG. 1 is a view of a mold clamping structure;
FIG. 2 is a view of the mold half open;
FIG. 3 is a view of the mold after it is fully opened;
FIG. 4 is a view showing the construction of the sliding device;
FIG. 5 is an enlarged view of part A;
FIG. 6 is a view showing the structure of a product;
as shown in fig. 1 to 6, the fixed die fixing plate (1), the fixed die plate (2), the fixed die insert (3), the limit bolt (4), the base (5), the pouring sleeve (6), the inclined guide pillar (7), the slide block (8), the wedge tightening block (9), the movable die fixing plate (10), the die leg (11), the movable die plate (12), the movable die insert (13), the ejector rod (14), the ejection fixing plate (15), the ejection plate (16), the pre-opening spring (17), the limit groove (18), the spring (19), the locking nail (20), the elastic rubber (21), the sliding inner hole (22) and the exhaust pin (23).
Detailed Description
A plastic injection mold with an inner side bulge comprises a fixed mold, a movable mold and guide pillars, wherein the fixed mold comprises a fixed mold fixing plate (1), a fixed mold plate (2), a fixed mold insert (3) and a sliding device, the fixed mold fixing plate (1), the fixed mold plate (2) and the fixed mold insert (3) are sequentially sleeved on the sliding device from top to bottom, the fixed mold fixing plate (1) is fixedly connected with the fixed mold plate (2) through a limiting bolt (4), the fixed mold insert (3) is installed inside the fixed mold plate (2), the sliding device comprises a base (5), a pouring sleeve (6) is installed at the center of the base (5), inclined guide pillars (7) are fixed on two sides of the pouring sleeve (6), the lower ends of the inclined guide pillars (7) are inserted into the slide blocks (8) and are in sliding connection with the slide blocks (8), and a conical slide way is formed between the two slide blocks (8), a wedge-pulling block (9) is arranged in the slideway, and the wedge-pulling block (9) is fixedly connected with the base (5); the movable mould comprises a movable mould fixing plate (10), the movable mould fixing plate (10) is fixedly connected with a movable mould plate (12) through mould legs (11), the movable mould plate (12) is connected and fixed with a fixed mould plate (2) through an elastic locking device, a movable mould insert (13) is installed inside the movable mould plate (12), the movable mould insert (13) is matched with the fixed mould insert (3) to form a mould cavity, the top end of a mandril (14) penetrates through the movable plate (12) and the movable mould insert (13) and then is located in the mould cavity, the tail end of the mandril (14) is fixed on an ejection fixing plate (15), and the ejection fixing plate (15) is fixed on an ejection plate (16).
A groove and a limiting groove (18) are formed in the optimized fixed die plate (2), a pre-opening spring (17) is installed in the groove, the limiting end of a limiting bolt (4) is installed in the limiting groove (18), and the other end of the limiting bolt is fixed on the fixed die fixing plate (1).
A groove is formed in one end of the joint of the slide block (8) and the fixed die plate (2), and a spring (19) is installed in the groove.
The elastic locking device is composed of a locking nail (20) and elastic rubber (21), the elastic rubber (21) is fixed on the surface of the movable template (12) through the locking nail (20), and after the fixed template (2) and the movable template (12) are combined, the elastic rubber (21) is assembled in a locking groove in the fixed template (2).
The lower end of the slide block (8) is further provided with a slide block inner hole (22), and an exhaust pin (23) is arranged in the slide block inner hole (22).
The number of the preferable ejector rods (14) is four, the number of the preferable limiting bolts (4) is four, and the number of the preferable elastic locking devices is 6.
The demoulding theory of operation: after a product is solidified, opening the die, separating the fixed die fixing plate (1), and simultaneously separating the wedge-caulking block (9) from a slide way of an inclined surface of the slide block (8), so that the slide block (8) moves towards the center along with the opening of the die under the action of the inclined guide post (7) and the pre-opening spring (17), the inclined surface of the slide block (8) is always kept in contact fit with the inclined surface of the wedge-caulking block (9) in the process, the inner side bulge of the product is completely separated from a slide block inner hole (22) on the slide block (8), and the fixed die fixing plate (1) is separated from the first layer of the fixed die plate (2) under the action of 4 limiting bolts (4). Then the mould is opened continuously, the elastic locking device is pulled out from the locking groove of the fixed mould plate (2), the second layer separation of the fixed mould plate (2) and the movable mould plate (12) is completed, and the mould is opened completely at the moment; and finally, ejecting the product out of the driven module insert through the ejector rod to finish the separation operation of the third layer. And (4) after the product is taken out, closing the die and continuing the next injection molding work.

Claims (6)

1. A plastic injection mold with an inner side bulge comprises a fixed mold, a movable mold and guide pillars, and is characterized in that the fixed mold comprises a fixed mold fixing plate (1), a fixed mold plate (2), a fixed mold insert (3) and a sliding device, the fixed mold fixing plate (1), the fixed mold plate (2) and the fixed mold insert (3) are sequentially sleeved on the sliding device from top to bottom, wherein the fixed mold fixing plate (1) is fixedly connected with the fixed mold plate (2) through a limiting bolt (4), the fixed mold insert (3) is installed inside the fixed mold plate (2), the sliding device comprises a base (5), a pouring sleeve (6) is installed in the center of the base (5), inclined guide pillars (7) are fixed on two sides of the pouring sleeve (6), the lower ends of the inclined guide pillars (7) are inserted into the slide blocks (8) and are in sliding connection with the slide blocks (8), and a conical slide way is formed between the two slide blocks (8), a wedge-pulling block (9) is arranged in the slideway, and the wedge-pulling block (9) is fixedly connected with the base (5); the movable mould include movable mould fixed plate (10), movable mould fixed plate (10) through shank (11) and movable mould board (12) fixed connection, movable mould board (12) meet fixedly through elastic locking device and fixed die plate (2), movable mould board (12) internally mounted have movable mould insert (13), movable mould insert (13) and fixed die insert (3) match and form the die cavity, the top of ejector pin (14) passes behind movable mould board (12) and movable mould insert (13) and is located the die cavity, the tail end of ejector pin (14) is fixed on ejecting fixed plate (15), ejecting fixed plate (15) are fixed on ejecting plate (16).
2. The plastic injection mold with the inner protrusion according to claim 1, wherein the fixed mold plate (2) is provided with a groove and a limiting groove (18), a pre-opening spring (17) is installed in the groove, the limiting end of the limiting bolt (4) is installed in the limiting groove (18), and the other end is fixed on the fixed mold fixing plate (1).
3. A plastic injection mold with inner protrusions according to claim 1, wherein a groove is formed at one end of the connection part of the slider (8) and the fixed mold plate (2), and a spring (19) is installed in the groove.
4. The plastic injection mold with the inner protrusion according to claim 1, wherein the elastic locking means is composed of a locking pin (20) and an elastic rubber (21), the elastic rubber (21) is fixed on the surface of the movable platen (12) through the locking pin (20), and after the fixed platen (2) is combined with the movable platen (12), the elastic rubber (21) is fitted into the locking groove of the fixed platen (2).
5. A plastic injection mold with inner protrusions according to claim 1 or 3, wherein the lower end of the slide (8) is provided with a slide inner hole (22), and a vent pin (23) is installed in the slide inner hole (22).
6. The plastic injection mold with inner protrusions as claimed in claim 1, wherein the number of the ejector rods (14) is four, the number of the limit bolts (4) is four, and the number of the elastic locking devices is 6.
CN201921101305.6U 2019-07-15 2019-07-15 Plastic injection mold with inner side protrusions Active CN210389985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921101305.6U CN210389985U (en) 2019-07-15 2019-07-15 Plastic injection mold with inner side protrusions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921101305.6U CN210389985U (en) 2019-07-15 2019-07-15 Plastic injection mold with inner side protrusions

Publications (1)

Publication Number Publication Date
CN210389985U true CN210389985U (en) 2020-04-24

Family

ID=70354401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921101305.6U Active CN210389985U (en) 2019-07-15 2019-07-15 Plastic injection mold with inner side protrusions

Country Status (1)

Country Link
CN (1) CN210389985U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112976508A (en) * 2021-02-08 2021-06-18 柏祝美 Mould for injection moulding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112976508A (en) * 2021-02-08 2021-06-18 柏祝美 Mould for injection moulding
CN112976508B (en) * 2021-02-08 2022-06-28 宁波利宝来汽车部件科技有限公司 Mould for injection moulding

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