CN218453159U

CN218453159U - Ejector block mechanism of injection mold

Info

Publication number: CN218453159U
Application number: CN202222659464.6U
Authority: CN
Inventors: 周长生; 梁海燕; 胡玉文
Original assignee: Kunshan Zhongzhun Precision Plastic Co ltd
Current assignee: Kunshan Zhongzhun Precision Plastic Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-02-07
Anticipated expiration: 2032-10-10

Abstract

The utility model belongs to the injection mold field, concretely relates to injection mold kicking block mechanism has solved and has had inefficiency, problem with high costs among the prior art, the on-line screen storage device comprises a base, there are square iron and stopper at the top of base through bolt fixed mounting, there is the back mould at the top of square iron through screw fixed mounting, there is the spring bottom of back mould through screwed connection, there is the panel bottom of spring through bolted connection, the top welding of panel has the thimble, through the setting of push rod, shovel seat isotructure, when the die sinking, the base. The square iron and the rear mold move downwards to drive the first L-shaped block to move downwards to drive the shovel seat to move downwards, so that the shovel seat is in contact with the push rod, the product is ejected out by the push rod under stress, and the rear mold is in contact with the push rod by moving upwards the base, the square iron and the rear mold during mold closing, so that the push rod is ejected out of the mold, automatic ejection is realized, and the production efficiency is improved.

Description

Ejector block mechanism of injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold kicking block mechanism.

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 process used to mass produce parts of some complex shapes. The injection mold is formed by a movable mold and a fixed mold. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product.

However, in the existing mold ejector block mechanism, the mold is firstly opened, the ejector pin ejects a product, and finally the air cylinder pushes the push rod to eject the product which is difficult to demould normally, but the matching difficulty between equipment is higher, the cost is higher, the automation degree is low, and therefore the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold kicking block mechanism has solved the problem that inefficiency, manufacturing cost are high.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold kicking block mechanism, includes the base, there are square iron and stopper at the top of base through bolt fixed mounting, there is the back mould at the top of square iron through screw fixed mounting.

The bottom of the rear die is slidably assembled with an equal-height screw, a spring is sleeved outside the equal-height screw, the bottom of the equal-height screw is connected with a panel through a bolt, a thimble is welded at the top of the panel, and the bottom of the panel is connected with a bottom plate through a screw;

the top of the rear die is connected with a guide pillar through a bolt, the guide pillar is assembled with the front die in a sliding mode, a first L-shaped block is welded on one side of the rear die, and a shovel seat is fixedly installed at the top end of the first L-shaped block through a screw;

the top of front mould has the apron through screwed connection, the welding of one side of front mould has second L type piece, there is the guide block bottom of second L type piece through screwed connection, the guide block slides and is provided with the push rod.

Preferably, the guide block is provided with a guide groove, and the guide groove is connected with the push rod in a sliding manner.

Preferably, both ends of the push rod are provided with inclined planes.

Preferably, the side of the rear mold facing the top of the push rod is provided with a slope.

Preferably, the number of the guide posts and the springs is four, and the guide posts and the springs are arranged at four corners.

Preferably, the top surface of the push rod and the top surface of the cloth rear mold are on the same horizontal plane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of push rod, shovel seat isotructure, when the die sinking, base, square iron, back mould downstream drive first L type piece downstream, drive shovel seat downstream, make shovel seat and push rod contact, and the push rod atress is ejecting with the product, and during the compound die, base, square iron, back mould upward movement make back mould and push rod contact, with the ejecting mould of push rod to realize automatic ejecting, promoted production efficiency.

2. The utility model discloses a setting of first L type piece, shovel seat isotructure through back mould downstream, drives first L type piece downstream, drives shovel seat downstream, makes shovel seat and push rod contact, and the push rod atress is ejecting with the product, and during the compound die, base, square iron, back mould upward movement make back mould and push rod contact, with the ejecting mould of push rod to this formation circulation, does not use the second driving source at this from this, has saved equipment cost greatly.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

In the figure: 1. a base; 2. square iron; 3. a rear mold; 4. a front mold; 5. a cover plate; 6. a guide post; 7. a spring; 8. a thimble; 9. a panel; 10. a base plate; 11. a limiting block; 12. a shovel base; 13. a first L-shaped block; 14. a push rod; 15. a guide block; 16. a second L-shaped block; 17. and (4) a contour screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an injection mold ejector block mechanism comprises a base 1, a square iron 2 and a limiting block 11 are fixedly installed on the top of the base 1 through bolts, a rear mold 3 is fixedly installed on the top of the square iron 2 through screws, an equal-height screw 17 is assembled at the bottom of the rear mold 3 in a sliding manner, a spring 7 is sleeved outside the equal-height screw 1, the bottom of the equal-height screw 17 is connected with a panel 9 through a bolt, an ejector pin 8 is welded on the top of the panel 9, the bottom of the panel 9 is connected with a bottom plate 10 through a screw, a guide pillar 6 is connected on the top of the rear mold 3 through a bolt, the guide pillar 6 is assembled with a front mold 4 in a sliding manner, a first L-shaped block 13 and a first L-shaped block 13 are welded on one side of the rear mold 3, a shovel base 12 is fixedly installed on the top end of the first L-shaped block 13 through screws, the top of the front mold 4 is connected with a cover plate 5 through screws, one side of the front mold 4 is welded with a second L-shaped block 16, the bottom 16 of the second L-shaped block is connected with a guide block 15 through screws, a push rod 14 is arranged on the guide block 15 in a sliding mode, when the mold is opened, the base 1, the square iron 2 and the rear mold 3 move downwards to drive the first L-shaped block 13 to move downwards and drive the shovel base 12 to move downwards, so that the shovel base 12 is in contact with the push rod 14, the push rod 14 pushes the product out under stress, when the mold is closed, the base 1, the square iron 2 and the rear mold 3 move upwards to make the rear mold 3 in contact with the push rod 14 and push the push rod 14 out of the mold, automatic ejection is achieved, and the production efficiency is improved.

Referring to fig. 2, the guide block 15 is provided with a guide groove, and the guide groove is slidably connected with the push rod 14.

Referring to fig. 3, both ends of the push rod 14 are provided with slopes.

Referring to fig. 3, a side of the rear mold 3 facing the top of the push rod 14 is provided with a slope.

Referring to fig. 1, the number of the guide posts 6 and the springs 7 is 4 and they are arranged in four corners.

Referring to fig. 3, the top surface of the push rod 14 is flush with the top surface of the rear mold 3, the rear mold 3 moves downwards to drive the first L-shaped block 13 to move downwards to drive the shovel base 12 to move downwards, so that the shovel base 12 contacts with the push rod 14, the push rod 14 is stressed to eject a product, when the mold is closed, the base 1, the square iron 2 and the rear mold 3 move upwards to contact the rear mold 3 with the push rod 14, and the push rod 14 is ejected out of the mold, so that a cycle is formed, a second driving source is not needed, and the equipment cost is greatly saved.

The specific implementation process of the utility model is as follows: when the mold is opened, when the injection molding machine moves back downwards to a certain position, the ejector pins eject the product, then the shovel seat contacts with the push rods to drive the push rods to move, firstly, the rear mold 3, the square iron 2 and the base 1 move back downwards to drive the first L-shaped block 13 and the shovel seat 12 to move downwards, the front mold 4, the second L-shaped block 16, the guide block 15, the panel 9, the bottom plate 10 and the ejector pins 8 are not moved, the spring 7 is compressed by the force of the rear mold 3, the ejector pins 8 eject the product, when the shovel seat 12 moves downwards to a certain position, the shovel seat 12 is in contact with one end of the push rods 14 to enable the push rods 14 to slide on the guide block 15, when the push rods 14 slide to a certain position, the product in the mold core can be pushed out, when the injection molding machine is closed, the rear mold 3, the square iron 2 and the base 1 move downwards to drive the first L-shaped block 13 and the shovel seat 12 to move upwards, and when the rear mold 3 moves upwards, the push rods 14 out circularly to realize automatic product ejection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold kicking block mechanism, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a square iron (2) and a limiting block (11) through bolts, and the top of the square iron (2) is fixedly provided with a rear die (3) through screws;

the bottom of the rear die (3) is assembled with an equal-height screw (17) in a sliding mode, a spring (7) is sleeved outside the equal-height screw (17), the bottom of the equal-height screw (17) is connected with a panel (9) through a bolt, the top of the panel (9) is fixedly provided with an ejector pin (8) through a screw, and the bottom of the panel (9) is connected with a bottom plate (10) through a screw;

the top of the rear die (3) is connected with a guide post (6) through a bolt, the guide post (6) is assembled with the front die (4) in a sliding mode, a first L-shaped block (13) is welded on one side of the rear die (3), and a shovel seat (12) is fixedly installed at the top end of the first L-shaped block (13) through a screw;

the top of front mould (4) has apron (5) through screwed connection, one side welding of front mould (4) has second L type piece (16), there is guide block (15) bottom of second L type piece (16) through screwed connection, it is provided with push rod (14) to slide on guide block (15).

2. The ejector block mechanism of claim 1, wherein: the guide block (15) is provided with a guide groove, and the guide groove is connected with the push rod (14) in a sliding manner.

3. The ejector block mechanism of claim 1, wherein: both ends of the push rod (14) are provided with inclined planes.

4. The ejector block mechanism of claim 1, wherein: one side of the top of the rear die (3) facing the push rod (14) is provided with an inclined surface.

5. The ejector block mechanism of claim 1, wherein: the number of the guide posts (6) and the springs (7) is four, and the guide posts and the springs are arranged at four corners.

6. The ejector block mechanism of claim 1, wherein: the top surface of the push rod (14) and the top surface of the rear die (3) are on the same horizontal plane.