CN210552738U

CN210552738U - Quick-change insert pin structure

Info

Publication number: CN210552738U
Application number: CN201921326483.9U
Authority: CN
Inventors: 邵月华; 杨海天
Original assignee: Changyuan Technology Tianjin Co ltd
Current assignee: Changyuan Technology Tianjin Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-05-19
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a quick change insert pin structure, include: the back mould benevolence, the clamp plate, the extraction son fixed block, the extraction pin, the extraction son, inlay the needle, the extraction son is located the cavity of back mould benevolence, extraction son fixed block and extraction son fixed connection, insert the extraction pin in the extraction hole of extraction son fixed block, drive the extraction son to follow the extraction son fixed block and move together through the mode of artifical pulling extraction pin, will inlay the needle ejecting through the inclined plane that extraction son tip end was equipped with, accomplish the quick replacement of inlaying the needle, after the change is accomplished, through promoting the extraction pin, will extract in the cavity of back mould benevolence of withdrawal son, accomplish the fixing to inlaying the needle through the recess of extraction son and the lug lock of inlaying the needle bottom, rethread pressing plate fixes to the extraction son and prevents becoming flexible. The mode of changing the insert pin is simple and quick, and the insert can be directly changed without disassembling the die, so that the time cost of personnel is effectively reduced, and the production efficiency is improved.

Description

Quick-change insert pin structure

Technical Field

The utility model relates to a mold design field especially relates to a quick change insert pin structure.

Background

At present, because the product function demand is different, there is local shape difference often between the product, consequently, injection mold often has the condition that local shape needs to change, and at this moment, the mold design often can adopt the form of local change mold insert. In order to complete the quick replacement of the insert without disassembling the mold in the injection molding production process, the insert is mostly fixed on the mold in a screw fixing mode; however, it is difficult to fix the screw when the insert size is small or the cavity shape is complicated.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model aims to provide a quick-change insert pin structure.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

a quick-change insert pin structure, comprising: the rear mold core, the pressing plate, the drawing insert fixing block, the drawing pin, the drawing insert and the insert pin are arranged in the mold;

the back mould benevolence is provided with the cavity, the extraction goes into the son and is located in the cavity, extraction goes into son fixed block fixed connection in the tip of extraction goes into the son, clamp plate fixed connection in the side of back mould benevolence, just extraction goes into the son fixed block and passes the clamp plate, be used for right extraction goes into the son to fix in order not hard up, extraction goes into the son fixed block and is provided with the extraction hole, the extraction round pin can insert or take out the extraction hole, back mould benevolence be provided with the cavity is vertical in opposite directions, the pinhole of inlaying that communicates each other, inlay the needle and insert inlay in the pinhole, and the bottom is fixed extraction goes into on the son.

The drawing insert fixing block is a stepped cylinder, and the bottom of the drawing insert fixing block is provided with threads.

The end part of one side of the drawing-in piece is provided with a threaded hole, and the fixing block of the drawing-in piece is screwed into the threaded hole to realize the fixed connection of the fixing block of the drawing-in piece and the drawing-in piece.

The other side of the drawing insert is provided with a groove, and the groove is buckled with the lug at the bottom of the insert pin to realize the fixation of the insert pin on the drawing insert.

The lower end face of the groove of the drawing insert is sequentially connected with a transition plane which is flush with the lower end face of the groove and an inclined plane which is connected with the transition plane, and the inclined plane of the end part of the drawing insert jacks up the insert pin by drawing the drawing insert.

The pressing plate is a square block and is provided with a round hole and a first connecting hole, and the drawing insert fixing block penetrates through the round hole.

The side end of the rear die core is provided with a second connecting hole matched with the first connecting hole, and the pressing plate is fixedly connected to the side end of the rear die core through a screw.

Compared with the prior art, the beneficial effects of the utility model are that: a quick-change insert pin structure comprising: the back mould benevolence, the clamp plate, the extraction son fixed block, the extraction pin, the extraction son, inlay the needle, the extraction son is located the cavity of back mould benevolence, extraction son fixed block and extraction son fixed connection, insert the extraction pin in the extraction hole of extraction son fixed block, drive the extraction son to follow the extraction son fixed block and move together through the mode of artifical pulling extraction pin, will inlay the needle ejecting through the inclined plane that extraction son tip end was equipped with, accomplish the quick replacement of inlaying the needle, after the change is accomplished, through promoting the extraction pin, will extract in the cavity of back mould benevolence of withdrawal son, accomplish the fixing to inlaying the needle through the recess of extraction son and the lug lock of inlaying the needle bottom, rethread pressing plate fixes to the extraction son and prevents becoming flexible. The mode of changing the insert pin is simple and quick, and the insert can be directly changed without disassembling the die, so that the time cost of personnel is effectively reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the rear mold insert of the present invention;

fig. 3 is a first schematic view of the three-dimensional structure of the drawer of the present invention;

fig. 4 is a second schematic view of the three-dimensional structure of the drawer of the present invention;

fig. 5 is a schematic perspective view of the pressing plate of the present invention;

fig. 6 is a schematic perspective view of the fixing block of the drawer of the present invention;

fig. 7 is a schematic perspective view of the insert pin of the present invention;

FIG. 8 is a partial view of the insert pin of the present invention being fixed to the drawer;

fig. 9 is a schematic cross-sectional view of the insert pin of the present invention when fixed;

fig. 10 is a schematic cross-sectional view of the insert pin of the present invention when it is ejected.

In the figure: 1-rear mold core, 2-pressing plate, 3-drawing insert fixing block, 4-drawing pin, 5-drawing insert, 6-embedding pin, 11-cavity, 12-embedding pin hole, 13-second connecting hole, 21-round hole, 22-first connecting hole, 31-drawing hole, 51-threaded hole, 52-groove and 53-inclined plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 10, the utility model provides a quick-change insert pin structure, including: the core insert comprises a rear core 1, a pressing plate 2, a drawing insert fixing block 3, a drawing pin 4, a drawing insert 5 and an insert pin 6;

back mould benevolence 1 is provided with cavity 11, the extraction insert 5 is located in the

cavity

11, 3 fixed connection of extraction insert fixed block in the tip of extraction insert 5, clamp plate 2 fixed connection in the side of back mould benevolence 1, just extraction insert fixed block 3 passes clamp plate 2, be used for right extraction insert 5 is fixed in order not hard up, extraction insert fixed block 3 is provided with extraction hole 31, extraction pin 4 can insert or take out extraction hole 31, back mould benevolence 1 be provided with cavity 11 is vertical in opposite directions, mutual intercommunication inlay pinhole 12, inlay needle 6 inserts in inlaying pinhole 12, and the bottom is fixed on the extraction insert 5.

Preferably, the length of the cavity 11 is the same as the length of the drawer 5.

Specifically, the drawing sub fixing block 3 is a stepped cylinder, and the bottom of the stepped cylinder is provided with threads.

Specifically, a threaded hole 51 is formed in one side end of the puller 5, and the puller fixing block 3 is screwed into the threaded hole 51 to fixedly connect the puller fixing block 3 and the puller 5.

Specifically, the lower end face of the groove 52 of the draw-in unit 5 is sequentially connected with a transition plane flush with the lower end face of the groove 52 and an inclined plane connected with the transition plane, and the end inclined plane 53 of the draw-in unit 5 jacks up the insert pin 6 by drawing.

Specifically, the clamp plate is square, and is provided with round hole 21, and the left and right sides symmetry of round hole is provided with two first connecting holes 22, sub-fixed block 3 passes in the extraction the round hole 21.

Specifically, the side end of the rear mold core 1 is provided with two second connection holes 13 matched with the first connection holes 22, and the pressing plate 2 is fixedly connected to the side end of the rear mold core 1 through screws.

The utility model discloses a concrete working process does: when the insert pin 6 needs to be replaced, a screw fixedly connected with the rear die core 1 and the pressing plate 2 is screwed, and the pressing plate 2 is taken down; inserting the drawing pin 4 into the drawing hole 31 of the drawing sub fixing block 3, manually drawing the drawing pin 4 backwards to drive the drawing sub 5 to move out of the cavity 11 along with the drawing sub fixing block 3, in the process, the lug at the bottom of the insert pin 6 is separated from the groove 52 of the drawing sub 5, the inclined surface 53 at the side end of the drawing sub 5 is in contact with the lug at the bottom of the insert pin 6 to push the insert pin 6 upwards, and then manually taking out and replacing the insert pin 6;

after the insert pin 6 is replaced, the drawing insert 5 is pushed back to the cavity 11 through manual work, in the process, along with the movement of the drawing insert 5, the replaced insert pin 6 falls down, a convex block at the bottom of the insert pin 6 is clamped into a groove 52 of the drawing insert 5 to be fixed, then the drawing pin 4 is taken down, the pressing plate 2 is sleeved on a fixing block 3 of the drawing insert, the pressing plate 2 is fixedly installed at the side end of the rear mold core 1 through screws, and the drawing insert 5 is compressed to prevent looseness.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quick-change insert pin structure, comprising: the back mold core (1), the pressing plate (2), the drawing insert fixing block (3), the drawing pin (4), the drawing insert (5) and the insert pin (6);

back mould benevolence (1) is provided with cavity (11), the extraction inserts (5) and is located in cavity (11), extraction inserts sub-fixed block (3) fixed connection in the tip of extraction inserts (5), clamp plate (2) fixed connection in the side of back mould benevolence (1), just extraction inserts sub-fixed block (3) and passes clamp plate (2), be used for right extraction inserts sub (5) and fixes in order not hard up, extraction inserts sub-fixed block (3) and is provided with extraction hole (31), extraction round pin (4) can insert or take extraction hole (31), back mould benevolence (1) be provided with cavity (11) is vertical in opposite directions, the pinhole (12) of inlaying that communicate each other, inlay needle (6) and insert in the pinhole (12), and the bottom is fixed draw on the extraction inserts (5).

2. A quick-change insert pin structure according to claim 1, wherein the draw-in sub fixing block (3) is a stepped cylinder with a threaded bottom.

3. A quick-change insert pin structure according to claim 1, wherein a threaded hole (51) is provided at one side end of the draw-in piece (5), and the fixed connection of the draw-in piece fixing block (3) and the draw-in piece (5) is achieved by screwing the draw-in piece fixing block (3) into the threaded hole (51).

4. A quick-change insert pin structure according to claim 1, wherein a groove (52) is provided on the other side of the draw-in pin (5), and the groove (52) is engaged with a projection on the bottom of the insert pin (6) to fix the insert pin (6) on the draw-in pin (5).

5. A quick-change insert according to claim 4, wherein the lower end surface of the recess (52) of the extractor (5) is connected in series with a transition plane flush with the lower end surface of the recess (52) and a bevel connected to the transition plane, and the end bevel (53) of the extractor (5) is caused to jack the insert (6) by being extracted.

6. A quick-change insert pin structure according to claim 1, wherein the pressing plate (2) is a square block and is provided with a round hole (21) and a first connecting hole (22), the draw-in sub-fixing block (3) passing through the round hole (21).

7. The quick-change insert structure according to claim 1, wherein the side end of the rear mold core (1) is provided with a second connecting hole (13) for cooperating with the first connecting hole (22), and the pressing plate (2) is fixedly connected to the side end of the rear mold core (1) by a screw.