CN212446096U

CN212446096U - High-efficient injection mold convenient to drawing of patterns

Info

Publication number: CN212446096U
Application number: CN202020548419.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanxi Junrui Machinery Manufacturing Co ltd
Current assignee: Shanxi Junrui Machinery Manufacturing Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-02-02
Anticipated expiration: 2030-04-15

Abstract

The utility model belongs to the technical field of injection mold, especially, be a high-efficient injection mold convenient to drawing of patterns, including upper die base and die holder, the die holder inboard is equipped with the jacking board, and jacking board both sides all are equipped with a plurality of fixed plate and a plurality of movable plate, and a plurality of fixed plate is fixed on the die holder, and a plurality of fixed plate and a plurality of movable plate staggered distribution, and a plurality of movable plate outside terminal surface all fixedly connected with spliced pole; through setting up a plurality of movable plates and pegging graft on the fixed plate, the fixed plate can fix a position the position of movable plate, can stimulate the pull rod of die holder both sides, make the pull rod drive the connecting plate and outwards slide, make the movable plate can outwards slide, because movable plate and fixed plate crisscross distribution, when the movable plate separates from the fixed plate, can make the movable plate not contact with the mould, make the fixed plate only contact with the work piece, make the contact point of work piece reduce, thereby the pressure of mould both sides has been reduced, inwards gliding mode contact mould has been avoided, make the phenomenon of mould damage.

Description

High-efficient injection mold convenient to drawing of patterns

Technical Field

The utility model relates to an injection mold technical field specifically is a high-efficient injection mold convenient to drawing of patterns.

Background

Chinese patent publication (CN 104552820B) discloses an injection mold easy to be demolded, which is characterized in that the third ejector rod and the fourth ejector rod of the patent technology are designed to allow an operator to adjust the mold from the left and right sides according to actual conditions, and the right telescopic rod and the left telescopic rod are used to push the third ejector rod and the fourth ejector rod to push the second top plate and the third top plate inwards, so as to avoid the situation that the mold cannot be demolded smoothly due to the pressure on the two sides, further improve the usability, and ensure more reliable demolding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient injection mold convenient to drawing of patterns to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high-efficient injection mold convenient to drawing of patterns, includes upper die base and die holder, the die holder inboard is equipped with the jacking board, the jacking board both sides all are equipped with the fixed board of a plurality of and a plurality of movable plate, a plurality of it fixes to decide the board on the die holder, and the crisscross distribution of fixed board of a plurality of and a plurality of movable plate, a plurality of the equal fixedly connected with spliced pole of movable plate outside terminal surface, the spliced pole is kept away from the one end fixedly connected with connecting plate of movable plate, two reference columns of connecting plate outside terminal surface fixedly connected with, two the reference column is the symmetric distribution, just the reference column with die holder sliding connection, connecting plate outside terminal surface fixedly connected with pull rod, the pull rod with die holder sliding connection.

As a further aspect of the present invention: the movable plate is fixedly connected with a plurality of inserting blocks on two sides, the fixed plate is provided with an inserting groove, and the inserting blocks are inserted in the inserting groove.

As a further aspect of the present invention: the end face of the outer side of the pull rod is fixedly connected with an operating handle.

As a further aspect of the present invention: the lower die base is provided with a sliding groove, and the pull rod slides in the sliding groove.

As a further aspect of the present invention: the lower die base is provided with a positioning groove, the positioning column slides in the positioning groove, and a return spring is arranged in the positioning groove.

As a further aspect of the present invention: one end of the reset spring is fixed on the positioning column, and the other end of the reset spring is fixed on the inner wall of the positioning groove.

As a further aspect of the present invention: the sum of the lengths of the plurality of fixed plates and the plurality of movable plates is equal to the width of the jacking plate.

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

through setting up a plurality of movable plates and pegging graft on the fixed plate, the fixed plate can fix a position the position of movable plate, can stimulate the pull rod of die holder both sides, make the pull rod drive the connecting plate and outwards slide, make the movable plate can outwards slide, because movable plate and fixed plate crisscross distribution, when the movable plate separates from the fixed plate, can make the movable plate not contact with the mould, make the fixed plate only contact with the work piece, make the contact point of work piece reduce, thereby the pressure of mould both sides has been reduced, inwards gliding mode contact mould has been avoided, make the phenomenon of mould damage, and after the movable plate motion, can loosen the pull rod, the movable plate can reset under reset spring's effect, the reference column can fix a position the removal position of movable plate, the grafting piece on the movable plate can peg graft in the inserting groove of fixed plate, accomplish the movable plate and the stable of fixed plate and.

Drawings

FIG. 1 is a schematic structural view of a high-efficiency injection mold facilitating demolding;

FIG. 2 is a schematic structural view of the interior of a lower mold base of an efficient injection mold facilitating demolding;

FIG. 3 is a schematic structural diagram of a movable plate and a fixed plate of a high-efficiency injection mold for facilitating demolding;

fig. 4 is a schematic view illustrating a state in which a movable plate moves in an efficient injection mold for facilitating mold release.

In the figure: 1. an upper die holder; 2. a lower die holder; 201. a sliding groove; 202. positioning a groove; 21. jacking up the plate; 3. fixing a plate; 301. inserting grooves; 4. a movable plate; 401. an insertion block; 41. connecting columns; 42. a connecting plate; 43. a positioning column; 44. a return spring; 45. a pull rod; 451. the handle is operated.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a high-efficient injection mold convenient to drawing of patterns, including upper die base 1 and die

holder

2, 2 inboard of die holder are equipped with jacking plate 21, jacking plate 21 both sides all are equipped with a plurality of and decide board 3 and a plurality of movable plate 4, a plurality of decides board 3 and fixes on die holder 2, and a plurality of decides board 3 and a plurality of movable plate 4 crisscross distribution, the equal fixedly connected with spliced pole 41 of 4 outside end faces of a plurality of movable plate, the one end fixedly connected with connecting plate 42 of movable plate 4 is kept away from to spliced pole 41, two reference columns 43 of connecting plate 42 outside end face fixedly connected with, two reference columns 43 are the symmetric distribution, and

reference column

43 and 2 sliding connection of die holder, connecting plate 42 outside end face fixedly connected with pull rod 45, pull

rod

45 and 2 sliding connection of die.

In fig. 1-3: after the injection molding of the mold is completed, the upper mold base 1 is lifted, the mold can be lifted upwards under the action of the jacking plate 21 to improve the demolding speed, the jacking principle of the jacking plate 21 is consistent with the jacking principle mentioned in the 17 th section of the specification of the injection mold with the name of CN104552820B, the mold is easy to demold, the first top plate is automatically jacked upwards through the first spring and the second spring on the first jacking rod and the second jacking rod, the molded mold can be automatically separated from the lower mold, when the upper mold is pressed downwards, the first spring and the second spring are pressed and then compressed downwards, the sum of the lengths of the plurality of fixed plates 3 and the plurality of movable plates 4 is equal to the width of the jacking plate 21, the movable plates 4 and the fixed plates 3 can correspond to the jacking plate 21, the inner surfaces of the movable plates 4, the fixed plates 3 and the jacking plate 21 can be limited along with the shape of the mold, the end face of the outer side of the pull rod 45 is fixedly connected with an operating handle 451, the pull rod 45 can be conveniently operated, when the pressure on the two sides of the die is too large to eject the die, the pull rod 45 can act on the operating handles 451 on the two sides of the lower die holder 2, the lower die holder 2 is provided with the sliding groove 201, the pull rod 45 slides in the sliding groove 201, the pull rod 45 can be conveniently driven by the pull rod 45 to move in the sliding groove 201, so that the pull rod 45 can move outwards, the pull rod 45 can drive the connecting plate 42 and the movable plate 4 to move outwards, the lower die holder 2 is provided with the positioning groove 202, the positioning column 43 slides in the positioning groove 202, the reset spring 44 is arranged in the positioning groove 202, one end of the reset spring 44 is fixed on the positioning column 43, the other end of the reset spring 44 is fixed on the inner wall of the positioning groove 202, the positioning column 43 can position the movable plate 4, the reset spring 44 can reset after the movable plate 4 moves, the positioning, the inserting block 401 on the movable plate 4 can be separated from the inserting groove 301, when the movable plate 4 is separated from the fixed plate 3, the movable plate 4 can not be contacted with the mold, the fixed plate 3 is only contacted with a workpiece, the contact points of the workpiece are reduced, the pressure on two sides of the mold is reduced, the mold is prevented from being contacted in an inward sliding mode, the mold is damaged, the operating handle 451 is loosened, the movable plate 4 can be reset under the action of the reset spring 44, the positioning column 43 can be used for positioning the moving position of the movable plate 4, the inserting block 401 on the movable plate 4 can be inserted into the inserting groove 301 of the fixed plate 3, the stable connection of the movable plate 4 and the fixed plate 3 is completed, and the injection mold can be continuously used.

In fig. 4: the two sides of the movable plates 4 are fixedly connected with the inserting blocks 401, the fixed plate 3 is provided with the inserting groove 301, the inserting blocks 401 are inserted into the inserting groove 301, after the movable plates 4 move, the pull rods 45 can be loosened, the movable plates 4 can reset under the action of the reset springs 44, the inserting blocks 401 on the movable plates 4 can be inserted into the inserting groove 301 of the fixed plate 3, and stable connection of the movable plates 4 and the fixed plate 3 is completed.

The utility model discloses a theory of operation is: when the injection molding die is used, the upper die base 1 is lifted, the die can be jacked upwards under the action of the jacking plate 21 to improve the demolding speed, when the pressure on two sides of the die is too high to eject the die, the die can act on the operating handles 451 on two sides of the lower die base 2, the pull rod 45 can be pulled in the sliding groove 201 to move the pull rod 45 outwards, the pull rod 45 can drive the connecting plate 42 and the movable plate 4 to move outwards, meanwhile, the positioning column 43 can compress the reset spring 44 in the positioning groove 202 to slide, the inserting block 401 on the movable plate 4 can be separated from the inserting groove 301, when the movable plate 4 is separated from the fixed plate 3, the movable plate 4 can not be contacted with the die, the fixed plate 3 is only contacted with a workpiece, the contact point of the workpiece is reduced, the pressure on two sides of the die is reduced, the phenomenon that the die is damaged due to the inward sliding mode of contacting the die is avoided, the operating handles 451 are loosened, the movable plate 4 can be reset under the action of the reset spring 44, the positioning column 43 can position the moving position of the movable plate 4, the inserting block 401 on the movable plate 4 can be inserted into the inserting groove 301 of the fixed plate 3, the stable connection of the movable plate 4 and the fixed plate 3 is completed, and the injection mold can be continuously used.

Claims

1. The utility model provides a high-efficient injection mold convenient to drawing of patterns, includes upper die base (1) and die holder (2), die holder (2) inboard is equipped with jacking board (21), its characterized in that, jacking board (21) both sides all are equipped with a plurality of and decide board (3) and a plurality of movable plate (4), and a plurality of decide board (3) to be fixed on die holder (2), and a plurality of decides board (3) and a plurality of movable plate (4) staggered distribution, a plurality of the equal fixedly connected with spliced pole (41) of movable plate (4) outside terminal surface, the one end fixedly connected with connecting plate (42) of movable plate (4) are kept away from to spliced pole (41), two of connecting plate (42) outside terminal surface fixedly connected with reference column (43), two reference column (43) are the symmetric distribution, just reference column (43) with die holder (2) sliding connection, the outer side end face of the connecting plate (42) is fixedly connected with a pull rod (45), and the pull rod (45) is connected with the lower die holder (2) in a sliding mode.

2. The efficient injection mold convenient for demolding as claimed in claim 1, wherein a plurality of insertion blocks (401) are fixedly connected to two sides of the movable plate (4), an insertion groove (301) is formed in the fixed plate (3), and the insertion blocks (401) are inserted into the insertion groove (301).

3. The efficient injection mold facilitating demolding according to claim 1, wherein an operating handle (451) is fixedly connected to an outer end face of the pull rod (45).

4. The efficient injection mold convenient for demolding as claimed in claim 1, wherein the lower mold base (2) is provided with a sliding groove (201), and the pull rod (45) slides in the sliding groove (201).

5. The efficient injection mold convenient for demolding as claimed in claim 1, wherein the lower mold base (2) is provided with a positioning groove (202), the positioning column (43) slides in the positioning groove (202), and a return spring (44) is arranged in the positioning groove (202).

6. The efficient injection mold facilitating demolding as claimed in claim 5, wherein one end of the return spring (44) is fixed on the positioning column (43), and the other end of the return spring (44) is fixed on the inner wall of the positioning groove (202).

7. An efficient injection mold facilitating demolding according to claim 1, characterized in that the sum of the lengths of a plurality of said stationary plates (3) and a plurality of said movable plates (4) is equal to the width of said knock-up plate (21).