CN214521702U

CN214521702U - Simple secondary ejection device capable of saving space

Info

Publication number: CN214521702U
Application number: CN202120618414.6U
Authority: CN
Inventors: 曹晓英
Original assignee: Huizhou Yaoying Precision Technology Co ltd
Current assignee: Huizhou Yaoying Precision Technology Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-29
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a simple and easy secondary ejecting device who saves space relates to the injection mold field, including the face faller, end faller and bottom plate, be equipped with a plurality of secondary ejection mechanism in the end faller, secondary ejection mechanism includes stop screw, the thimble, the plug, the guide pillar, the ejecting piece in face, the ejecting piece in end, a plurality of mounting grooves have been seted up on the end faller, all be equipped with the ejecting piece in face and the ejecting piece in end from top to bottom in proper order in each mounting groove, the ejecting piece in end passes through stop screw fixed connection with the bottom plate, the fixed thimble that runs through the face faller that is equipped with on the ejecting piece in face, can dismantle on the ejecting piece in face and be equipped with the plug, the fixed guide pillar that is equipped with on the ejecting piece in face, set up a plurality of first locating holes with the plug one-to-one on the face faller, set up the guiding hole with the guide pillar one-to-one on the face faller. The secondary ejection is realized under the condition of adding fewer parts, and the thickness space of the die can be saved.

Description

Simple secondary ejection device capable of saving space

Technical Field

The utility model relates to an injection mold field especially relates to a simple and easy secondary ejecting device who saves space.

Background

The injection molding is a space-saving molding method for injection and molding of a simple secondary ejection device, and has the advantages of high production speed, high efficiency, automation of operation and accurate product size. The plastic injection mold is a tool for producing plastic products, an ejection device is used in the production process of the existing injection mold, and the ejection devices required by different products have different structures. In some injection molding parts with complex shapes, when the mold is ejected, a product cannot be easily separated from the ejector pin, and the mold cannot be ejected once after injection molding is finished, so that the mold is difficult to take out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple and easy secondary ejecting device who saves space to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a simple and easy secondary ejecting device who saves space, includes the face faller, end faller and the bottom plate that from top to bottom set gradually, be equipped with a plurality of secondary ejection mechanism in the end faller, secondary ejection mechanism includes spacing screw, thimble, plug, guide pillar, the ejecting piece of face, the ejecting piece in end, a plurality of mounting grooves have been seted up on the end faller, all be equipped with the ejecting piece in face and the ejecting piece in end from top to bottom in proper order in each mounting groove, the ejecting piece in end passes through spacing screw fixed connection with the bottom plate, the fixed thimble that runs through the face faller that is equipped with on the ejecting piece in face, the plug can be dismantled on the ejecting piece in face, the fixed guide pillar that is equipped with on the ejecting piece in face, set up a plurality of first locating holes with the plug one-to-one on the face faller, set up the guiding hole with the guide pillar one-to-one. The secondary ejection is realized under the condition of adding fewer parts, and the thickness space of the die can be saved.

Further, the secondary ejection mechanism further comprises a guide sleeve, a guide sleeve is embedded in the guide hole and sleeved on the guide column, the top surface and the bottom surface of the guide sleeve are both circular, and the outer diameter of the top surface of the guide sleeve is smaller than that of the bottom surface of the guide sleeve. The guide sleeve and the guide pillar are matched to guide the face needle plate.

Furthermore, a plurality of backing plates are arranged between the bottom needle plate and the bottom plate, and the backing plates are fixedly connected with the bottom surface of the bottom needle plate. The backing plate between the bottom needle plate and the bottom plate can absorb impact force, and the bottom needle plate and the bottom plate are prevented from directly colliding.

Furthermore, the lower end of the rubber plug is provided with an external thread, the upper surface of the surface ejection block is provided with a threaded hole matched with the external thread, and the upper end of the rubber plug is concavely provided with a hexagonal groove. The rubber plug can be detached and is convenient to replace.

Furthermore, the number of the rubber plugs is two, and the straight line where the circle centers of the bottom surfaces of the two rubber plugs are located is parallel to the side edge of the surface ejection block. The rubber plug drives the surface ejection block and the surface needle plate to eject together.

Furthermore, a positioning block is arranged at the lower end of the ejector pin, a positioning groove corresponding to the positioning block is formed in the bottom surface of the surface needle plate, a through hole for the ejector pin to penetrate through is formed in the surface needle plate, and the positioning block is in interference fit with the through hole. The positioning block is matched with the positioning groove to fix the ejector pin, so that the ejector pin and the surface ejection block are prevented from moving relatively.

Furthermore, the lower end of the guide pillar is provided with a limiting block in interference fit with the guide hole, and the lower surface of the limiting block is in contact with the bottom ejection block. The guide pillar is fixed through the limiting block, and the guide pillar and the face ejection block are prevented from moving relatively.

Furthermore, the number of the guide posts is two, the two guide posts are arranged at the corner of the end of the surface ejection block, and the two guide posts are arranged along the diagonal line of the surface ejection block. The two guide posts guide the needle plate, so that the needle plate is prevented from deflecting.

Furthermore, the bottom ejection block is provided with a positioning pin, and the surface ejection block is provided with a connecting hole corresponding to the positioning pin. The positioning pin and the connecting hole are matched to position the face ejection block and the bottom ejection block.

The utility model discloses a theory of operation does: the ejector pins are fixed on the two small ejector plate bodies, the ejector pins move together with other ejection mechanisms, the ejector pins are driven by the rubber plugs to be ejected out of the ejector plate bodies, the ejector pins stop after limiting of the limiting screws, and the other ejection mechanisms continue to eject out until final limiting of the die, so that the die ejection action of the product is completed.

The utility model has the advantages that: the secondary ejection is realized under the condition of adding fewer parts, and the thickness space of the die can be saved.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention;

fig. 2 is a perspective view of a secondary ejection mechanism according to an embodiment of the present invention;

fig. 3 is a side view of an embodiment of the present invention;

fig. 4 is a cross-sectional view taken along line a-a according to an embodiment of the present invention;

fig. 5 is a B-B cross-sectional view according to an embodiment of the present invention.

The labels in the figure are: the device comprises a surface needle plate 1, a bottom needle plate 2, a bottom plate 3, a surface ejection block 4, a bottom ejection block 5, a limiting screw 6, an ejector pin 7, a rubber plug 8, a guide pillar 9 and a guide sleeve 10.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, and right" used generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.

As shown in fig. 1-5, an embodiment of the present invention provides a space-saving simple secondary ejection device, which comprises a surface needle plate 1, a bottom needle plate 2 and a bottom plate 3, which are sequentially arranged from top to bottom, wherein a plurality of secondary ejection mechanisms are arranged in the bottom needle plate 2, each secondary ejection mechanism comprises a limit screw 6, an ejector pin 7, a rubber plug 8, a guide pillar 9, a surface ejection block 4 and a bottom ejection block 5, a plurality of mounting grooves are formed in the bottom needle plate 2, a surface ejection block 4 and a bottom ejection block 5 are sequentially arranged in each mounting groove from top to bottom, the bottom ejection block 5 is fixedly connected with the bottom plate 3 through the limit screw 6, the surface ejection block 4 is fixedly provided with the ejector pin 7 penetrating through the surface needle plate 1, the surface ejection block 4 is detachably provided with the rubber plug 8, the surface ejection block 4 is fixedly provided with the guide pillar 9, the surface needle plate 1 is provided with a plurality of first positioning holes corresponding to the rubber plug 8 one-to one, the surface needle plate 1 is provided with guide holes corresponding to the guide posts 9 one by one. The secondary ejection is realized under the condition of adding fewer parts, and the thickness space of the die can be saved.

The secondary ejection mechanism further comprises a guide sleeve 10, the guide sleeve 10 is embedded in the guide hole, the guide sleeve 10 is sleeved on the guide post 9, the top surface and the bottom surface of the guide sleeve 10 are both circular, and the outer diameter of the top surface of the guide sleeve 10 is smaller than that of the bottom surface of the guide sleeve 10. The guide sleeve 10 and the guide post 9 are matched to guide the needle plate 1.

A plurality of backing plates are arranged between the bottom needle plate 2 and the bottom plate 3, and the backing plates are fixedly connected with the bottom surface of the bottom needle plate 2. The cushion plate between the bottom needle plate 2 and the bottom plate 3 can absorb impact force, and the bottom needle plate 2 and the bottom plate 3 are prevented from directly colliding.

The lower end of the rubber plug 8 is provided with an external thread, the upper surface of the surface ejection block 4 is provided with a threaded hole matched with the external thread, and the upper end of the rubber plug 8 is concavely provided with a hexagonal groove. The rubber plug 8 can be detached and is convenient to replace.

The number of the rubber plugs 8 is two, and the straight line where the circle centers of the bottom surfaces of the two rubber plugs 8 are located is parallel to the side edge of the surface ejection block 4. The rubber plug 8 drives the surface ejection block 4 and the surface needle plate 1 to eject together.

The lower extreme of thimble 7 is equipped with the locating piece, the constant head tank corresponding with the locating piece is seted up to faller 1 bottom surface, faller 1 is seted up the through hole that supplies thimble 7 to run through, locating piece and through hole interference fit. The positioning block is matched with the positioning groove to fix the thimble 7, so that the thimble 7 and the surface ejection block 4 are prevented from moving relatively.

The lower end of the guide pillar 9 is provided with a limiting block in interference fit with the guide hole, and the lower surface of the limiting block is in contact with the bottom ejection block 5. The guide pillar 9 is fixed by the limiting block, so that the guide pillar 9 and the surface ejection block 4 are prevented from moving relatively.

The number of the guide posts 9 is two, the two guide posts 9 are arranged at the corner of the surface ejection block 4, and the two guide posts 9 are arranged along the diagonal of the surface ejection block 4. The inclination of the needle board 1 is avoided by guiding the needle board 1 by two guide posts 9.

The bottom ejection block 5 is provided with a positioning pin, and the surface ejection block 4 is provided with a connecting hole corresponding to the positioning pin. The positioning pin and the connecting hole are matched to position the face ejection block 4 and the bottom ejection block 5.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a simple and easy secondary ejecting device who saves space which characterized in that: the novel face-lifting type plastic bottle opener is characterized by comprising a face needle plate, a bottom needle plate and a bottom plate which are sequentially arranged from top to bottom, wherein a plurality of secondary ejection mechanisms are arranged in the bottom needle plate and comprise limit screws, ejector pins, a rubber plug, guide pillars, face ejection blocks and bottom ejection blocks, a plurality of mounting grooves are formed in the bottom needle plate, the face ejection blocks and the bottom ejection blocks are sequentially arranged in each mounting groove from top to bottom, the bottom ejection blocks are fixedly connected with the bottom plate through the limit screws, the ejector pins penetrating through the face needle plate are fixedly arranged on the face ejection blocks, the rubber plug can be detachably arranged on the face ejection blocks, the guide pillars are fixedly arranged on the face ejection blocks, a plurality of first positioning holes in one-to-one correspondence with the rubber plugs are formed in the face needle plate, and guide holes in one-to-one correspondence with the guide pillars are formed in the face needle plate.

2. The space-saving simple secondary ejection device according to claim 1, wherein: the secondary ejection mechanism further comprises a guide sleeve, a guide sleeve is embedded in the guide hole and sleeved on the guide column, the top surface and the bottom surface of the guide sleeve are both circular, and the outer diameter of the top surface of the guide sleeve is smaller than that of the bottom surface of the guide sleeve.

3. The space-saving simple secondary ejection device according to claim 1, wherein: and a plurality of backing plates are arranged between the bottom needle plate and the bottom plate, and the backing plates are fixedly connected with the bottom surface of the bottom needle plate.

4. The space-saving simple secondary ejection device according to claim 1, wherein: the lower end of the rubber plug is provided with external threads, the upper surface of the surface ejection block is provided with a threaded hole matched with the external threads, and the upper end of the rubber plug is concavely provided with a hexagonal groove.

5. The space-saving simple secondary ejection device according to claim 4, wherein: the number of the rubber plugs is two, and the straight line where the circle centers of the bottom surfaces of the two rubber plugs are located is parallel to the side edge of the plane ejection block.

6. The space-saving simple secondary ejection device according to claim 1, wherein: the thimble structure comprises a thimble plate, a positioning block and a surface needle plate, wherein the thimble plate is arranged on the surface of the thimble plate, the surface needle plate is provided with a positioning groove corresponding to the positioning block, the surface needle plate is provided with a through hole for the thimble to penetrate through, and the positioning block is in interference fit with the through hole.

7. The space-saving simple secondary ejection device according to claim 2, wherein: the lower end of the guide pillar is provided with a limiting block in interference fit with the guide hole, and the lower surface of the limiting block is in contact with the bottom ejection block.

8. The space-saving simple secondary ejection device according to claim 7, wherein: the number of the guide posts is two, the two guide posts are arranged at the corner of the end of the surface ejection block, and the two guide posts are arranged along the diagonal line of the surface ejection block.

9. The space-saving simple secondary ejection device according to claim 1, wherein: the bottom ejection block is provided with a positioning pin, and the surface ejection block is provided with a connecting hole corresponding to the positioning pin.