CN211917423U

CN211917423U - Unload power mold insert structure

Info

Publication number: CN211917423U
Application number: CN202020299924.7U
Authority: CN
Inventors: 曾昭金
Original assignee: Kunshan Jingliwei Precision Mould Co ltd
Current assignee: Kunshan Jingliwei Precision Mould Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-11-13
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses an unload power mold insert structure, including the fixed die plate, the holding tank has been seted up to the outside symmetry of fixed die plate, the equal fixed mounting in inboard of every holding tank has reset spring, reset spring's one end fixedly connected with action bars, one side fixed mounting of action bars has the gag lever post that runs through the fixed die plate, the gag lever post corresponds with the spacing groove, be provided with the power mold insert that unloads that runs through the fixed die plate between the mold core behind first back mold core and the second, the upper end fixedly connected with runner mouth of a river of power mold insert unloads, and the lower extreme fixedly connected with support column of unloading the power mold insert, the outside of support column is provided with the shell, the bottom fixed mounting. The utility model provides a behind first back mold core and the second mold core all with the fixed die plate between through gag lever post and spacing groove block to utilize reset spring's pulling force effect, make the inside of the firm injection spacing groove of one end of gag lever post, strengthened the fastness of first back mold core and second back mold core installation.

Description

Unload power mold insert structure

Technical Field

The utility model relates to an unload power mold insert technical field, specifically be an unload power mold insert structure.

Background

General cell-phone shell can be with two mold cores and the fixed die plate frame is opened great together when making two caves in a mould, and the fixed die plate is relatively easy to be out of shape when injection pressure is great and leads to plastic product die joint to criticize the cutting edge of a knife or a sword limit great, seriously influences the outward appearance quality of plastic product, must lead to artifical sanding to get rid of deckle edge when follow-up spraying or vacuum plating technology of doing and just can guarantee the outward appearance quality.

Chinese patent application CN201520543414.9 discloses "an unload power mold insert structure", be equipped with a recess in the middle of the fixed die plate up end, the mold core after going into a first back mold core and second in this recess card, the equal protrusion of mold core up end is equipped with a product die cavity after first back mold core and the second, first, second back mold core and fixed die plate are middle to form an installation cavity, and the power mold insert is unloaded to one fixed mounting in this installation cavity, unload power mold insert upper end and be equipped with a runner mouth of a river, terminal surface and unload power mold insert up end fixed connection under this runner mouth of a river, a fixed mounting shell of fixed die plate lower extreme fixed mounting, a fixed plate of shell lower extreme fixed mounting. Although the utility model discloses a simple structure, thereby can significantly reduce because of the too big die parting surface that causes the fixed die plate deflection to improve the plastic product of injection pressure criticizes cutting edge of a knife or a sword deckle edge, avoids follow-up manual work sanding unhairing limit, practices thrift the cost of labor, improves production efficiency, but first back mold core and second back mold core only pass through the recess block with the fixed die plate, lead to first back mold core and second back mold core installation to be fixed inadequately, cause the influence during the use easily. Therefore, a force-releasing insert structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unload power mold insert structure, solved behind first back mold core and the second mold core only pass through the recess block with the fixed die plate, lead to behind first back mold core and the second mold core installation fixed inadequately, cause the problem of influence during the use easily.

In order to achieve the above object, the utility model provides a following technical scheme: a force-unloading mold insert structure comprises a fixed mold plate, wherein a groove is formed in the upper surface of the fixed mold plate, a first rear mold core and a second rear mold core are respectively arranged in the groove, the outer sides of the first rear mold core and the second rear mold core are both provided with limiting grooves, the outer side of the fixed mold plate is symmetrically provided with accommodating grooves, the inner side of each accommodating groove is fixedly provided with a reset spring, one end of the reset spring is fixedly connected with an operating rod, one side of the operating rod is fixedly provided with a limiting rod which penetrates through the fixed die plate, the limiting rod corresponds to the limiting groove, a force unloading insert penetrating through the fixed die plate is arranged between the first rear die core and the second rear die core, the upper end of the force unloading insert is fixedly connected with a runner water gap, and the lower end of the force unloading insert is fixedly connected with a support column, the outer side of the support column is provided with a shell, and the bottom of the shell is fixedly provided with a lower fixing plate.

Preferably, the bottom of the lower fixing plate is provided with a connecting screw, and the connecting screw is in threaded connection with the supporting column.

Preferably, the lower surface of the shell is symmetrically provided with positioning grooves, and the upper surface of the lower fixing plate is symmetrically and fixedly provided with positioning blocks matched with the positioning grooves.

Preferably, the limiting rod is located on the inner side of the return spring, and the limiting rod and the operating rod are of an integrally formed structure.

Preferably, the support column and the force-unloading insert are of an integrally formed structure, and the force-unloading insert and the runner nozzle are of an integrally formed structure.

Preferably, a first product cavity is fixedly installed at the top of the first rear mold core, and a second product cavity is fixedly installed at the top of the second rear mold core.

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

1. the utility model provides a behind first back mold core and the second mold core all with the fixed die plate between through gag lever post and spacing groove block to utilize reset spring's pulling force effect, make the inside of the firm injection spacing groove of one end of gag lever post, strengthened the fastness of first back mold core and second back mold core installation.

2. The utility model provides a fix a position through locating piece and constant head tank between bottom plate and the shell, can strengthen the accuracy of bottom plate and shell installation location to the accuracy of bottom plate and shell installation has been guaranteed.

Drawings

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

FIG. 2 is an enlarged view of part A of the present invention;

fig. 3 is a partial enlarged view of part B of the present invention.

In the figure: 1. a lower fixing plate; 2. positioning blocks; 3. positioning a groove; 4. a support pillar; 5. a groove; 6. a first product cavity; 7. a runner nozzle; 8. a first rear mold core; 9. a second product cavity; 10. a second rear mold core; 11. fixing a template; 12. unloading the force insert; 13. a housing; 14. a connecting screw; 15. an operating lever; 16. a return spring; 17. a limiting rod; 18. accommodating grooves; 19. a limiting groove.

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.

Example 1:

referring to fig. 1-3, a force-unloading insert structure includes a fixed mold plate 11, a groove 5 is formed on an upper surface of the fixed mold plate 11, a first rear mold core 8 and a second rear mold core 10 are respectively disposed inside the groove 5, limiting grooves 19 are respectively formed on outer sides of the first rear mold core 8 and the second rear mold core 10, receiving grooves 18 are symmetrically formed on an outer side of the fixed mold plate 11, a return spring 16 is fixedly mounted on an inner side of each receiving groove 18, an operating rod 15 is fixedly connected to one end of the return spring 16, a limiting rod 17 penetrating through the fixed mold plate 11 is fixedly mounted on one side of the operating rod 15, the limiting rod 17 corresponds to the limiting groove 19, a force-unloading insert 12 penetrating through the fixed mold plate 11 is disposed between the first rear mold core 8 and the second rear mold core 10, a runner nozzle 7 is fixedly connected to an upper end of the force-unloading insert 12, a supporting column 4 is fixedly connected to a lower end of the force-unloading, the bottom of the housing 13 is fixedly provided with a lower fixing plate 1.

Referring to fig. 1, a connecting screw 14 is disposed at the bottom of the lower fixing plate 1, and the connecting screw 14 is in threaded connection with the supporting column 4, so as to enhance the firmness of the connection between the lower fixing plate 1 and the supporting column 4.

Referring to fig. 1, positioning grooves 3 are symmetrically formed in the lower surface of the housing 13, and positioning blocks 2 matched with the positioning grooves 3 are symmetrically and fixedly mounted on the upper surface of the lower fixing plate 1, so that high mounting accuracy between the lower fixing plate 1 and the housing 13 is ensured.

Referring to fig. 2, the limiting rod 17 is located inside the return spring 16, and the limiting rod 17 and the operating rod 15 are integrally formed, so that the connecting between the limiting rod 17 and the operating rod 15 is firm.

Referring to fig. 1, the support pillar 4 and the force-releasing insert 12 are integrally formed, and the force-releasing insert 12 and the runner nozzle 7 are integrally formed, so that the support pillar 4 and the runner nozzle 7 are firmly connected to the force-releasing insert 12.

Referring to fig. 2, a first product cavity 6 is fixedly installed at the top of the first rear mold core 8, and a second product cavity 9 is fixedly installed at the top of the second rear mold core 10.

The working principle is as follows: when installing bottom plate 1, will advance the inside of constant head tank 3 with the locating piece 2 card that bottom plate 1 is connected to utilize connecting

screw

14 and 4 threaded connection of support column, strengthen the fastness and the precision that bottom plate 1 and shell 13 are connected. When the first rear mold core 8 and the second rear mold core 10 are installed, the limiting rod 17 is firstly pulled by the operating rod 15, one end of the limiting rod 17 is separated from the inside of the groove 5, the reset spring 16 is stretched at the moment, the first rear mold core 8 and the second rear mold core 10 are clamped in the groove 5, the first rear mold core 8 and the second rear mold core 10 are both located on the outer side of the force unloading insert 12 at the moment, the operating rod 15 is finally loosened, one end of the limiting rod 17 is clamped in the limiting groove 19 under the action of the pulling force of the reset spring 16, and the first rear mold core 8 and the second rear mold core 10 are fixed.

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 unload power mold insert structure, includes fixed die plate (11), its characterized in that: the upper surface of the fixed die plate (11) is provided with a groove (5), the inner part of the groove (5) is respectively provided with a first rear die core (8) and a second rear die core (10), the outer sides of the first rear die core (8) and the second rear die core (10) are respectively provided with a limiting groove (19), the outer side of the fixed die plate (11) is symmetrically provided with accommodating grooves (18), the inner side of each accommodating groove (18) is fixedly provided with a return spring (16), one end of each return spring (16) is fixedly connected with an operating rod (15), one side of each operating rod (15) is fixedly provided with a limiting rod (17) penetrating through the fixed die plate (11), each limiting rod (17) corresponds to each limiting groove (19), a force unloading insert (12) penetrating through the fixed die plate (11) is arranged between the first rear die core (8) and the second rear die core (10), the upper end of each force unloading insert (12) is fixedly connected with a runner (7), and the lower end of the force unloading insert (12) is fixedly connected with a supporting column (4), the outer side of the supporting column (4) is provided with a shell (13), and the bottom of the shell (13) is fixedly provided with a lower fixing plate (1).

2. The force-relieving insert structure according to claim 1, wherein: the bottom of the lower fixing plate (1) is provided with a connecting screw (14), and the connecting screw (14) is in threaded connection with the supporting column (4).

3. The force-relieving insert structure according to claim 1, wherein: constant head tank (3) have been seted up to the lower surface symmetry of shell (13), the upper surface symmetry fixed mounting of bottom plate (1) has locating piece (2) of matcing with constant head tank (3).

4. The force-relieving insert structure according to claim 1, wherein: the limiting rod (17) is located on the inner side of the reset spring (16), and the limiting rod (17) and the operating rod (15) are of an integrally formed structure.

5. The force-relieving insert structure according to claim 1, wherein: the support column (4) and the force unloading insert (12) are of an integrated structure, and the force unloading insert (12) and the runner nozzle (7) are of an integrated structure.

6. The force-relieving insert structure according to claim 1, wherein: the top of the first rear mold core (8) is fixedly provided with a first product cavity (6), and the top of the second rear mold core (10) is fixedly provided with a second product cavity (9).