CN216635231U

CN216635231U - Secondary demoulding mechanism of mould

Info

Publication number: CN216635231U
Application number: CN202123029098.8U
Authority: CN
Inventors: 李和鑫; 金海亮
Original assignee: NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Current assignee: NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-31
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a secondary demolding mechanism of a mold, which is arranged in a lower mold plate and comprises a driving piece, wherein the driving piece is connected with a secondary demolding assembly, the secondary demolding assembly is fixedly provided with a first loose core, the end part of the first loose core is provided with a first protruding part for shaping the shape of a product, the secondary demolding assembly is also provided with a slidable second loose core, the central shaft of the second loose core and the plane where the secondary demolding assembly is located form an acute angle, and the end part of the second loose core is provided with a second protruding part for shaping the shape of the product. The utility model has the advantages that the secondary demoulding of the product is smoothly finished by arranging the secondary demoulding component and being driven by the driving piece, the using requirement of the product is met, and the reliability is high.

Description

Secondary demoulding mechanism of mould

Technical Field

The utility model relates to the field of molds, in particular to a secondary demolding mechanism of a mold.

Background

The injection mold can be widely applied to the production of plastic products because a plurality of plastic parts with simple structure, precise size and good internal quality can be formed at one time, in the forming production of the existing injection products, when the products with simple structure and regular shape are processed and produced, the production can be completed only by one-time demolding, and when the formed products have irregular shapes and complicated structures, the one-time demolding can not be completed, so that the existing product demolding mechanism can not meet the production and use requirements.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a secondary demolding mechanism of a mold, which has delicate design, stable performance, capability of smoothly finishing secondary demolding of a product, high reliability and capability of meeting the production and use requirements of the product.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a secondary demoulding mechanism of mould, sets up in the lower die plate, includes the driving piece, the driving piece connect and be provided with secondary drawing of patterns subassembly, secondary drawing of patterns subassembly fixed be provided with the first bellying of loosing core, the first tip of loosing core be provided with the first bellying that is used for stereotyped product shape, secondary drawing of patterns subassembly still be provided with the slidable second and loose core, the second center pin of loosing core constitute the acute angle with the plane at secondary drawing of patterns subassembly place, the second tip of loosing core be provided with the second bellying that is used for stereotyped product shape.

As a further improvement of the utility model, the secondary demoulding assembly comprises a first sliding seat and a second sliding seat, and the first sliding seat and the second sliding seat are fixedly connected through bolts. The first sliding seat and the second sliding seat are fixedly connected through bolts, so that the first sliding seat and the second sliding seat form a whole, and the consistency during movement is ensured.

As a further improvement of the present invention, the first slide seat is fixedly connected with the first loose core through a fastener, the second slide seat is slidably connected with the second loose core, the second slide seat is provided with a guide rail groove with an inclination angle, the second loose core is provided with a trapezoidal convex block matched with the guide rail groove, the trapezoidal convex block is slidably connected with the guide rail groove, and the inclination angle of the guide rail groove is matched with an acute angle formed by the second loose core and the secondary demoulding component. Through the first slide of fastener fixed connection and the first core of loosing, guarantee firm in connection reliably, the guide rail groove that is located the second slide with be located the trapezoidal lug sliding connection of first loosing core to slide for trapezoidal lug provides a motion direction, ensures that trapezoidal lug moves according to the design route, can not take place to deviate from.

As a further improvement of the utility model, the front end of the first slide carriage is connected with a guide plate, and the guide plate is provided with a first core pulling hole and a second core pulling hole which are respectively spliced with the first core pulling hole and the second core pulling hole. Through the arrangement of the first core pulling hole and the second core pulling hole, reliable motion guide is provided for the first core pulling and second core pulling, and the first core pulling and the second core pulling are guaranteed not to deviate when moving.

As a further improvement of the utility model, the guide plate is connected with the first sliding seat through a limiting pull rod, a spring is sleeved on the outer ring of the limiting pull rod, one end of the spring is abutted against the guide plate, and the other end of the spring is abutted against the first sliding seat. When the driving part pulls the first sliding seat to move, and in a certain distance, because the spring is arranged between the guide plate and the first sliding seat, when the first sliding seat moves, the guide plate is static, and when the driving part continues to move, the guide plate can be driven to correspondingly move through the limiting pull rod.

As a further improvement of the utility model, the lower end of the guide plate and the first sliding seat is connected with a movable secondary sliding plate and an unlocking piece positioned in the secondary sliding plate, the unlocking piece is connected with the secondary sliding plate in a sliding way, and the secondary sliding plate is fixedly connected with the guide plate through a bolt. When the secondary slide wanted to remove, only after releasing the unblock piece, the secondary slide just can remove, so structural design just can provide sufficient moving distance for the smooth dropout of second loose core.

As a further improvement of the utility model, a locking piece matched with the unlocking piece is arranged below the unlocking piece, and the locking piece is fixedly connected to the lower template. The locking piece fixedly connected with the lower template can ensure that the unlocking piece is reliably connected so as to meet the requirement of structural strength.

As a further improvement of the utility model, the locking piece is provided with a V-shaped limiting groove, and the unlocking piece is provided with a V-shaped clamping block matched with the V-shaped limiting groove. The V-shaped limiting groove is matched with the V-shaped clamping block, so that the position stability of the unlocking part in the locking part is ensured, and the use requirement of the die is met.

As a further improvement of the utility model, the driving piece is fixedly connected with the lower template through a fixing plate. The fixed plate is used for fixedly connecting the driving piece and the lower template, and the firm and reliable connection is ensured.

The secondary demoulding mechanism of the utility model is realized by the following steps: the driving part is used for providing locking force during molding and demolding force during mold opening, and can be a component capable of providing reciprocating telescopic motion, such as an air cylinder or an oil cylinder, and the like; the first sliding seat moves leftwards under the driving of the driving piece, the first sliding seat positioned above the unlocking piece does not press the upper part of the unlocking piece at the moment, so that when the driving piece continues to move leftwards, the secondary sliding plate and the guide plate can be driven to move leftwards simultaneously, the second core pulling is carried out when the secondary sliding plate and the guide plate move together, the second core pulling is carried out, the product is completely separated from the second core pulling, and therefore secondary demolding of the product is smoothly achieved. The secondary demolding mechanism is ingenious in structure, not only can meet the molding requirement of a product in a complex shape, but also can realize demolding smoothly, meets the production and use requirements of the product, and is good in reliability.

Compared with the prior art, the secondary demolding device has the advantages that the secondary demolding assembly is arranged, the secondary demolding of the product is smoothly completed under the driving of the driving piece, the using requirement of the product is met, and the reliability is high. The first protruding portion located at the first core pulling end portion and the second protruding portion located at the second core pulling end portion are specifically arranged according to structural requirements of a formed product, the first protruding portion and the second protruding portion are combined with other components to jointly complete forming processing of the product, secondary demolding actions of the first core pulling and the second core pulling are achieved through the secondary demolding component, smooth demolding of the product is guaranteed, production and use requirements of the product are met, and reliability is high.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and are not intended to limit the utility model.

As shown in fig. 1 to 3: the utility model provides a secondary demoulding mechanism of mould, sets up in lower mould plate 1, including driving piece 2, driving piece 2 is connected and is provided with secondary drawing of patterns subassembly 3, secondary drawing of patterns subassembly 3 is fixed to be provided with first 4 of loosing core, the first tip of loosing core 4 is provided with the first bellying 5 that is used for stereotyped product shape, secondary drawing of patterns subassembly 3 still is provided with the slidable second and looses core 6, the second is loosed core 6 the center pin and the plane at secondary drawing of patterns subassembly 3 place and is constituted the acute angle, the second tip of loosing core 6 is provided with the second bellying 7 that is used for stereotyped product shape.

The secondary demoulding assembly 3 comprises a first sliding seat 30 and a second sliding seat 31, and the first sliding seat 30 and the second sliding seat 31 are fixedly connected through bolts.

The first slide seat 30 is fixedly connected with the first loose core 4 through a fastener 8, the second slide seat 31 is in sliding connection with the second loose core 6, the second slide seat 31 is provided with a guide rail groove 310 with an inclined angle, the second loose core 6 is provided with a trapezoidal convex block 60 matched with the guide rail groove 310, the trapezoidal convex block 60 is in sliding connection with the guide rail groove 310, and the inclined angle of the guide rail groove 310 is matched with an acute angle formed by the second loose core 6 and the secondary demoulding component 3.

The front end of the first slide 30 is connected with a guide plate 9, and the guide plate 9 is provided with a first core pulling hole 91 and a second core pulling hole 92 which are respectively spliced with the first core pulling 4 and the second core pulling 6.

The guide plate 9 is connected with the first sliding seat 30 through a limiting pull rod 10, a spring 11 is sleeved on the outer ring of the limiting pull rod 10, one end of the spring 11 is abutted against the guide plate 9, and the other end of the spring is abutted against the first sliding seat 30.

The guide plate 9 is connected with the lower end of the first sliding seat 30 and is provided with a movable secondary sliding plate 12 and an unlocking piece 13 positioned in the secondary sliding plate 12, the unlocking piece 13 is connected with the secondary sliding plate 12 in a sliding mode, and the secondary sliding plate 12 is fixedly connected with the guide plate 9 through bolts.

A locking piece 14 matched with the unlocking piece 13 is arranged below the unlocking piece 13, and the locking piece 14 is fixedly connected to the lower template 1.

The locking piece 14 is provided with a V-shaped limiting groove 140, and the unlocking piece 13 is provided with a V-shaped clamping block 130 matched with the V-shaped limiting groove 140.

The driving member 2 is fixedly connected with the lower template 1 through a fixing plate 15.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a secondary demoulding mechanism of mould, sets up in the lower die plate, including the driving piece, its characterized in that the driving piece connect and be provided with secondary drawing of patterns subassembly, secondary drawing of patterns subassembly fixed be provided with the first arch of loosing core, the first tip of loosing core be provided with the first bellying that is used for stereotypeing the product shape, secondary drawing of patterns subassembly still be provided with the slidable second and loose core, the second center pin of loosing core constitute the acute angle with the plane at secondary drawing of patterns subassembly place, the second tip of loosing core be provided with the second bellying that is used for stereotypeing the product shape.

2. The secondary ejection mechanism of a mold as in claim 1, wherein the secondary ejection assembly comprises a first slide and a second slide, the first slide and the second slide being fixedly connected by a bolt.

3. The secondary demolding mechanism of a mold according to claim 2, wherein the first slide is fixedly connected with the first loose core through a fastener, the second slide is slidably connected with the second loose core, the second slide is provided with a guide rail groove with an inclination angle, the second loose core is provided with a trapezoidal convex block matched with the guide rail groove, the trapezoidal convex block is slidably connected with the guide rail groove, and the inclination angle of the guide rail groove is matched with an acute angle formed by the second loose core and the secondary demolding component.

4. The secondary demolding mechanism of a mold according to claim 2, wherein a guide plate is connected to the front end of the first slide, and the guide plate is provided with a first core pulling hole and a second core pulling hole which are respectively inserted with the first core pulling hole and the second core pulling hole.

5. The secondary demolding mechanism for the mold as claimed in claim 4, wherein the guide plate is connected with the first slide seat through a limit pull rod, a spring is sleeved on an outer ring of the limit pull rod, one end of the spring abuts against the guide plate, and the other end of the spring abuts against the first slide seat.

6. The secondary demolding mechanism for molds according to claim 4, wherein the guide plate is connected to the lower end of the first slide base and provided with a movable secondary sliding plate, and an unlocking member is located in the secondary sliding plate, the unlocking member is slidably connected to the secondary sliding plate, and the secondary sliding plate is fixedly connected to the guide plate through bolts.

7. The secondary demolding mechanism of a mold as claimed in claim 6, wherein a locking member matched with the unlocking member is arranged below the unlocking member, and the locking member is fixedly connected to the lower mold plate.

8. The secondary demolding mechanism for a mold as claimed in claim 7, wherein the locking member is provided with a V-shaped limiting groove, and the unlocking member is provided with a V-shaped catch block matched with the V-shaped limiting groove.

9. The secondary demolding mechanism of the mold as claimed in claim 1, wherein the driving member is fixedly connected with the lower mold plate through a fixing plate.