CN220052733U

CN220052733U - Slider-assisted ejection mechanism

Info

Publication number: CN220052733U
Application number: CN202321648131.1U
Authority: CN
Inventors: 贺庆华; 周正; 路小伍
Original assignee: Kunshan Tong Yin Industrial Electronic Making Co ltd
Current assignee: Kunshan Tong Yin Industrial Electronic Making Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-21
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a slider auxiliary ejection mechanism, which comprises: the device comprises a sliding block seat, an extrusion block, a movable plate cushion block, a movable plate positioning column, a movable plate, an elastic piece and a sliding block, wherein the bottom of the sliding block seat is arranged at the bottom of a female die in a sliding manner through a sliding rail, the sliding block seat is fixedly connected with the sliding block, the two ends of the sliding block seat are respectively provided with a first end and a second end, the first end of the sliding block seat is provided with a bevel pin hole, the extrusion block is arranged in an opening, an ejection piece is strip-shaped, the elastic piece is arranged between the sliding block and the movable plate, the heel block is fixedly connected with a bevel pin, the elastic piece can rebound by self elasticity after the bottom of the second vertical surface moves to the first bevel face, the movable plate cushion block, the movable plate and the extrusion piece are pushed away from a product after injection molding is completed, and the ejection piece can be separated from the product after injection molding is completed under the pushing of the elastic piece. The utility model has simple and compact structure and the product is not easy to stick to the sliding block.

Description

Slider-assisted ejection mechanism

Technical Field

The utility model relates to an injection mold, in particular to a slide block auxiliary ejection mechanism.

Background

After the product is injection molded, the product needs to be demolded, as the characteristics of some products are more, the situation of sticking the sliding block easily occurs in the demolding process, if the situation of sticking the sliding block occurs, the sliding block and the product after the injection molding are separated by manpower, so that the efficiency is low, the product is easily damaged due to friction during manual operation, the reject ratio is increased, and the mass production is not facilitated.

Disclosure of Invention

In order to overcome the defects, the utility model provides the slider auxiliary ejection mechanism which has the advantages of simple structure, compact structure and difficulty in sticking the slider.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a slider assisted ejection mechanism comprising: the bottom of the sliding block seat is arranged at the bottom of the female die in a sliding way through a sliding rail, the sliding block seat is fixedly connected with the sliding block, two ends of the sliding block seat are respectively provided with a first end and a second end, the first end of the sliding block seat is provided with an inclined pin hole, the second end of the sliding block seat is vertically provided with a vertical plate, an opening is formed in the vertical plate, the extrusion block is arranged in the opening, the extrusion block can move back and forth in the opening, one end of the movable plate positioning column is fixedly connected with the vertical plate, the movable plate is slidably connected with the middle part of the movable plate positioning column, the sliding block is slidably connected with the other end of the movable plate positioning column, one end of the sliding block, which is far away from the sliding block seat, is an injection molding end, the movable plate cushion block is arranged between the extrusion block and the movable plate, one end of the extrusion block can be attached to the movable plate cushion block, the end of the movable plate cushion block, which is far away from the extrusion block, is provided with at least one ejection piece, the ejection piece is strip-shaped, the movable plate is provided with first through holes, the number of which is the same as that of the ejection piece, the sliding block is provided with second through holes, the number of which is the same as that of the ejection piece, the ejection piece can penetrate through the second through holes after penetrating through the first through holes, the elastic piece is arranged between the sliding block and the movable plate, the two ends of the elastic piece respectively lean against the sliding block and the movable plate, one end of the extrusion block, which is far away from the movable plate cushion block, is an extrusion end, the bottom of the extrusion end is a first vertical surface perpendicular to the ground, the top of the extrusion end is a first slope surface connected with the first vertical surface, one end of the first slope surface, which is close to the movable plate cushion block, is higher than one end far away from the movable plate cushion block, the slope pin is fixedly connected to the bottom of the male mold, one surface of the heel block, which is close to the extrusion end, is a functional end, the bottom of the functional end is a second vertical surface perpendicular to the ground, the top of function end is the second slope of connecting the second perpendicular, first perpendicular and second perpendicular can slide the laminating, first slope and second slope can laminate each other, the public mould can be close to or keep away from the master model along vertical direction, the taper pin can rise under the drive of public mould, the in-process that the taper pin risees, the taper pin can promote the slider seat along slide rail direction keep away from the product after the completion of moulding plastics, and make the end of moulding plastics of slider break away from the product after the completion of moulding plastics, the vertical direction upward movement is followed to the piece under the drive of public mould, the second perpendicular can prevent the product after the completion of moulding plastics of extrusion piece when first perpendicular and second perpendicular laminating, the elastic component can compress under the extrusion of slider, the bottom of second perpendicular moves to the product after first slope, the elastic component can rebound and promote fly leaf cushion, fly leaf and extrusion piece keep away from the product after the completion of moulding plastics, the ejection piece can break away from the product after the completion of moulding plastics under the promotion of elastic component.

Alternatively, the slide block seat and the slide block are fixedly connected through a first bolt.

Alternatively, the number of the movable plate positioning columns is two, and the two movable plate positioning columns are arranged on two sides of the movable plate cushion block.

Optionally, the ejector comprises any one or more of a circular ejector pin, a flat pin and an insert.

Alternatively, the dome pin is a cylindrical strip, the flat pin and the insert are square strips, and the cross-sectional area of the insert is larger than the cross-sectional area of the flat pin.

Optionally, the injection molding device further comprises a top block, wherein the injection molding end of the sliding block is provided with a fixing hole, the rear end of the top block can be detachably inserted into the fixing hole, and the front end of the top block is exposed out of the fixing hole.

Alternatively, the front end of the top block is perpendicular to the ground.

Alternatively, the front end of the top block is inclined to the ground.

Alternatively, the elastic member is a compression spring, and the number of the compression springs is four.

The beneficial technical effects of the utility model are as follows: the slider assisted ejection mechanism includes: the slide block seat, the extrusion block, the movable plate cushion block, the movable plate positioning column, the movable plate, the elastic piece and the slide block, when in injection molding, the male die is close to the female die along the vertical direction, the inclined pin moves into the inclined pin hole and pushes the slide block seat and the slide block to be close to the injection molding position of the product along the sliding rail direction, the extrusion block is extruded by the heel block, the extrusion block pushes the movable plate cushion block to enable the ejection piece to move towards the injection molding position of the product, the injection molding end of the slide block, the end part of the ejection piece, the inner wall of the male die and the inner wall of the female die surround a cavity for injection molding, when injection molding is finished, the male die moves upwards along the vertical direction, at the moment, the male die is separated from the product after injection molding, the inclined pin moves out of the inclined pin hole under the driving of the male die along the sliding rail direction, at the moment, the injection molding end of the slide block is separated from the product at first time, and the heel block also moves upwards under the driving of the male die, and the first vertical plane and the second vertical plane are in a sliding fit, and the second vertical plane is not far away from the injection molding finished product, the end part of the injection molding is still compact, the elastic piece can be compressed, and the whole machine can be completely pressed by the elastic piece after the injection molding is completed, and the whole machine is not completely pressed by the elastic piece, and the elastic piece is completely has a compact structure after injection molding is completely due to the elastic piece is completely separated from the end part, and the end part is completely can be completely separated from the injection molded by the injection molding is completely separated from the injection molding product can and has a compact elastic piece, when the injection molding end with larger area is demolded, the end part of the ejection piece still abuts against the product after injection molding is finished, so that the situation that the product after injection molding is stuck to the injection molding end of the sliding block is avoided, and the demolding effect is improved. Has the advantages of simple structure, compact structure and difficult adhesion of the product to the sliding block.

Drawings

FIG. 1 is a perspective view of the complete machine of the present utility model;

FIG. 2 is a perspective exploded view of the complete machine of the present utility model;

FIG. 3 is a side cross-sectional view of the complete machine, male mold, female mold of the present utility model;

FIG. 4 is a side cross-sectional view of the complete machine with the ramp raised but with the first and second vertical surfaces still in a partially engaged condition;

FIG. 5 is a side cross-sectional view of the complete machine with the diagonal pin lifting spring of the present utility model in a compressed state;

FIG. 6 is a side cross-sectional view of the complete machine with the bottom of the second vertical surface raised on the ramp pin to move to the first ramp surface in accordance with the present utility model;

FIG. 7 is a side cross-sectional view of the entire machine with the heel block of the present utility model completely removed from the extrusion block;

wherein:

1. a slider seat; 11. oblique pin holes; 12. a vertical plate; 2. extruding a block; 21. a first vertical plane;

22. a first slope surface; 3. a movable plate cushion block; 31. an ejector; 4. a movable plate positioning column;

5. a movable plate; 6. an elastic member; 7. a slide block; 71. a fixing hole; 8. a master mold; 9. a male mold;

10. a product; 20. a taper pin; 30. a heel block; 301. a second vertical plane; 302. a second ramp surface; 40. and (5) a top block.

Detailed Description

In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.

The embodiment details the slider-assisted ejection mechanism according to the present utility model, as shown in fig. 1 to 7, which includes: the bottom of the slide block seat 1 is arranged at the bottom of the female die 8 in a sliding way through a sliding rail, the slide block seat 1 is fixedly connected with the slide block 7, two ends of the slide block seat 1 are respectively a first end and a second end, the first end of the slide block seat 1 is provided with an inclined pin hole 11, the second end of the slide block seat 1 is vertically provided with a vertical plate 12, an opening is arranged on the vertical plate 12, the extrusion block 2 is arranged in the opening, the extrusion block 2 can move back and forth in the opening, one end of the movable plate positioning column 4 is fixedly connected with the vertical plate 12, the movable plate 5 is slidably connected with the middle part of the movable plate positioning column 4, the slide block 7 is slidably connected with the other end of the movable plate positioning column 4, one end of the slide block 7, which is far away from the slide block seat 1, is an injection molding end, the movable plate spacer 3 is arranged between the extrusion block 2 and the movable plate 5, one end of the extrusion block 2 can be attached to the movable plate cushion block 3, at least one ejection piece 31 is arranged at one end of the movable plate cushion block 3 far away from the extrusion block 2, the ejection piece 31 is in a strip shape, a first through hole with the same number as the ejection piece 31 is arranged on the movable plate 5, a second through hole with the same number as the ejection piece 31 is arranged on the sliding block 7, the ejection piece 31 can penetrate through the first through hole and then penetrate out of the second through hole, the elastic piece 6 is arranged between the sliding block 7 and the movable plate 5, two ends of the elastic piece 6 respectively abut against the sliding block 7 and the movable plate 5, one end of the extrusion block 2 far away from the movable plate cushion block 3 is an extrusion end, the bottom of the extrusion end is a first vertical surface 21 vertical to the ground, the top of the extrusion end is a first slope surface 22 connected with the first vertical surface 21, one end of the first slope surface 22 near the movable plate cushion block 3 is higher than one end far away from the movable plate cushion block 3, the utility model provides a taper pin 20 fixed connection is in public mould 9 bottom, the heel piece 30 fixed connection is in taper pin 20, the one side that the heel piece 30 is close to the extrusion end is the function end, the bottom of function end is the second perpendicular 301 of perpendicular to ground, the top of function end is the second slope 302 of connection second perpendicular 301, first perpendicular 21 and second perpendicular 301 can slide the laminating, first slope 22 and second slope 302 can laminate each other, public mould 9 can be close to or keep away from master model 8 along vertical direction, taper pin 20 can rise under the drive of public mould 9, in the in-process that taper pin 20 risen, taper pin 20 can promote slider seat 1 along the slide rail direction and keep away from the product 10 after the completion of moulding plastics, and make the injection molding end of slider 7 break away from the product 10 after the completion of moulding plastics, the heel piece 30 is upwards moved along vertical direction under the drive of public mould 9, second perpendicular 301 can prevent extrusion piece 2 and keep away from the product 10 after completion when first perpendicular 21 and second perpendicular 301 laminate, elastic member 6 can be in the compression slope of slider 7, elastic member 6 can be in the compression of first perpendicular 21 and second perpendicular 301 and elastic member 2 can be kept away from the elastic member 6 and the elastic member 2 after the completion of the expansion piece is moved to the elastic member 2 and the elastic member is pushed up to the elastic member 2 and the elastic member piece 2 and is moved to the elastic member 2 and the elastic member piece is moved and the elastic member 2 and the elastic member piece. During injection molding, the male mold 9 is close to the female mold 8 along the vertical direction, the inclined pin 20 moves into the inclined pin hole 11 and pushes the slide block seat 1 and the slide block 7 to be close to the injection molding position of the product along the direction of the slide rail, the heel block 30 extrudes the extrusion block 2, the extrusion block 2 pushes the movable plate cushion block 3 to enable the ejection piece 31 to move towards the injection molding position of the product, the injection molding end of the slide block 7, the end part of the ejection piece 31, the inner wall of the male mold 9 and the inner wall of the female mold 8 surround a cavity for injection molding, after injection molding is completed, the male mold 9 moves upwards along the vertical direction, at the moment, the male mold 9 is separated from the product 10 after injection molding is completed, the inclined pin 20 moves out of the inclined pin hole 11 under the driving of the male mold 9, the slide block seat 1 and the slide block 7 are far away from the product 10 after injection molding is completed along the direction of the slide rail under the driving of the inclined pin 20, at the moment, the injection molding end of the slide block 7 is firstly separated from the product 10, at the same time, the heel block 30 is also moved upwards under the driving of the male mold 9, since the first vertical surface 21 and the second vertical surface 301 are in sliding fit, when the second vertical surface 301 moves upwards, the second vertical surface 301 is used as abutting against the extrusion block 2, and cannot be far away from the product 10 after injection molding is completed, at this time, the end part of the ejection piece 31 still abuts against the product 10 after injection molding is completed, the elastic piece 6 is compressed when the sliding block 7 is far away from the product 10 after injection molding is completed, until the bottom of the second vertical surface 301 moves to the first slope surface 22, at this time, the first vertical surface 21 does not block the second vertical surface 301, so the elastic piece 6 can push the movable plate cushion block 3, the movable plate 5 and the extrusion block 2 away from the product 10 after injection molding through self elastic resilience, at this time, the end part of the ejection piece 31 can be separated from the product 10 after injection molding is completed, and a demolding process is completed, and the whole machine has a simple structure and compact structure, in addition, the demolding process is divided into two parts, and when the injection molding end with a large area is demolded, the end part of the ejection piece still abuts against the product after injection molding is finished, so that the condition that the product after injection molding is finished is stuck to the injection molding end of the sliding block is avoided, and the demolding effect is improved. Has the advantages of simple structure, compact structure and difficult adhesion of the product to the sliding block. The vertical direction in this embodiment is the up-down direction in fig. 3, and the horizontal direction in this embodiment is the left-right direction in fig. 3.

In this embodiment, the slider seat 1 and the slider 7 are optionally fixedly connected by a first bolt.

In this embodiment, alternatively, the number of the movable plate positioning columns 4 is two, and the two movable plate positioning columns 4 are disposed on two sides of the movable plate cushion block 3. The firmness of connection can be improved by arranging two movable plate positioning columns 4, and shaking is avoided.

Optionally, in this embodiment, the ejector 31 includes any one or more of a circular ejector pin, a flat pin, and an insert.

In this embodiment, the dome pin is optionally a cylindrical strip, the flat pin and the insert are square strips, and the cross-sectional area of the insert is greater than the cross-sectional area of the flat pin.

Optionally, the embodiment further includes a top block 40, the injection molding end of the slider 7 is provided with a fixing hole 71, the rear end of the top block 40 can be detachably inserted into the fixing hole 71, and the front end of the top block 40 exposes out of the fixing hole 71. By replacing the different top blocks 40, workpieces 10 of different shapes can be injection molded.

Optionally, in this embodiment, the front end of the top block 40 is perpendicular to the ground.

Optionally, in this embodiment, the front end of the top block 40 is inclined to the ground.

Alternatively, in this embodiment, the elastic member 6 is a compression spring, and the number of compression springs is four. In alternative embodiments the spring element 6 may also be another elastic element.

The slider-assisted ejection mechanism in the embodiment has the advantages of simple structure, compact structure and difficulty in sticking the slider.

Claims

1. A slider assisted ejection mechanism, comprising: the utility model provides a slider seat (1), extrusion piece (2), fly leaf cushion (3), fly leaf reference column (4), fly leaf (5), elastic component (6) and slider (7), the bottom of slider seat (1) is through a slide rail slip setting in the bottom of master model (8), slider seat (1) and slider (7) fixed connection, the both ends of slider seat (1) are first end and second end respectively, inclined pin hole (11) have been seted up to the first end of slider seat (1), the vertical riser (12) that are provided with in second end of slider seat (1), the opening has been seted up on riser (12), extrusion piece (2) set up in the opening, extrusion piece (2) can be in the opening internal round trip movement, one end fixed connection of fly leaf reference column (4) is in riser (12), the middle part of fly leaf (5) sliding connection in fly leaf reference column (4), the other end of slider (7) sliding connection in fly leaf reference column (4), the one end that slider seat (1) was kept away from to slider seat (7) is the injection molding end, the end has been set up in the first end of slider seat (1), extrusion piece (3) and extrusion piece (2) and one end that can be kept away from in extrusion piece (3) between fly leaf cushion (2) and one end (31) can be in the extrusion piece (3), the ejector piece (31) is in a strip shape, the movable plate (5) is provided with first through holes with the same number as the ejector piece (31), the sliding block (7) is provided with second through holes with the same number as the ejector piece (31), the ejector piece (31) can penetrate through the second through holes after penetrating through the first through holes, the elastic piece (6) is arranged between the sliding block (7) and the movable plate (5), two ends of the elastic piece (6) respectively abut against the sliding block (7) and the movable plate (5), one end of the extrusion block (2) far away from the movable plate cushion block (3) is an extrusion end, the bottom of the extrusion end is a first vertical surface (21) perpendicular to the ground, the top of the extrusion end is a first slope surface (22) connected with the first vertical surface (21), one end of the first slope surface (22) close to the movable plate cushion block (3) is higher than one end far away from the movable plate cushion block (3), the slope pin (20) is fixedly connected with the bottom of the male die (9), one surface of the back block (30) close to the extrusion end is a function end, the bottom of the back block (30) is a function end, the second vertical surface (301) can be attached to the second vertical surface (301) and the second vertical surface (301) can be attached to the first vertical surface (301) and the second vertical surface (301) can be attached to the second vertical surface (301), the male die (9) can be close to or keep away from the female die (8) along vertical direction, the taper pin (20) can rise under the drive of male die (9), at the in-process that taper pin (20) risees, taper pin (20) can promote slider seat (1) along slide rail direction keep away from after the completion of moulding plastics product (10), and make the injection molding end of slider (7) break away from after the completion of moulding plastics product (10), the vertical direction upward movement along under the drive of male die (9) is followed in heel piece (30), second perpendicular (301) can prevent extrusion piece (2) and keep away from after the completion of moulding plastics product (10) when first perpendicular (21) and second perpendicular (301) laminating, elastic component (6) can compress under the extrusion of slider (7), elastic component (6) can rebound and promote movable plate cushion (3) after the bottom of second perpendicular (301) moves to first slope (22) and the elastic component (6) can keep away from after the completion of moulding plastics product (10), ejection piece (31) can promote under the completion of moulding plastics (6).

2. The slider assisted ejection mechanism of claim 1, wherein: the sliding block seat (1) is fixedly connected with the sliding block (7) through a first bolt.

3. The slider assisted ejection mechanism of claim 1, wherein: the number of the movable plate positioning columns (4) is two, and the two movable plate positioning columns (4) are arranged on two sides of the movable plate cushion block (3).

4. The slider assisted ejection mechanism of claim 1, wherein: the ejection piece (31) comprises any one or more of a circular ejector pin, a flat pin and an insert.

5. The slider assisted ejection mechanism of claim 4, wherein: the dome needle is a cylindrical strip, the flat pin and the insert are square strips, and the cross-sectional area of the insert is larger than that of the flat pin.

6. The slider assisted ejection mechanism of claim 1, wherein: the injection molding device is characterized by further comprising a top block (40), wherein the injection molding end of the sliding block (7) is provided with a fixing hole (71), the rear end of the top block (40) can be detachably inserted into the fixing hole (71), and the front end of the top block (40) is exposed out of the fixing hole (71).

7. The slider assisted ejection mechanism of claim 6, wherein: the front end of the top block (40) is vertical to the ground.

8. The slider assisted ejection mechanism of claim 6, wherein: the front end of the top block (40) is inclined to the ground.

9. The slider assisted ejection mechanism of claim 1, wherein: the elastic piece (6) is a compression spring, and the number of the compression springs is four.