CN220841233U

CN220841233U - Secondary demolding mold

Info

Publication number: CN220841233U
Application number: CN202322531234.6U
Authority: CN
Inventors: 曹军
Original assignee: Green Technology Suzhou Co ltd
Current assignee: Green Technology Suzhou Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-26
Anticipated expiration: 2033-09-18

Abstract

The utility model relates to the technical field of dies, and particularly discloses a secondary demolding die which comprises a base, a bearing plate, an injection mold, an injection port, an upper die, a lower die, a mounting plate, a plurality of groups of clamping blocks, clamping grooves and clamping strips, wherein the bearing plate is connected to the base in a sliding mode, the injection mold is arranged on the injection mold, the injection port is arranged on the injection mold, the upper die is arranged in the injection mold, the lower die is arranged on the bearing plate, a cavity of an injection molding workpiece is formed between the upper die and the lower die, the mounting plate is arranged in the bearing plate, the mounting plate is provided with the plurality of groups of clamping blocks, each clamping block is provided with the clamping grooves, and the workpiece is provided with the plurality of groups of clamping strips in an injection molding mode, and each clamping strip is respectively clamped in the corresponding clamping groove. Therefore, when the bearing plate slides, the workpiece can be driven to slide synchronously, so that the workpiece can drop from the upper die, the workpiece is prevented from being retained in the upper die, and the demolding is difficult to realize, and the effect is good. Therefore, in the process of continuously sliding along with the bearing plate, the workpiece on the clamping block is taken down through the demolding assembly, so that demolding operation of the product is realized.

Description

Secondary demolding mold

Technical Field

The utility model relates to the technical field of dies, in particular to a secondary demolding die.

Background

The mold, various molds and tools used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain the required products in industrial production, in the process of pressing the products by the mold, some products with buckling grooves often cannot be successfully demoulded once, and secondary demould is needed, so that a mold with secondary demould is needed.

In the prior art, for example, the application number is 201721108155.2, the publication number is CN207170908U, the utility model name is a chinese utility model patent of a secondary demolding mold, and the above patent discloses a secondary demolding mold, which is characterized in that the method comprises the following steps: the die comprises a die insert, a movable die core and at least two ejector rods, wherein the movable die core penetrates out of the die insert, the movable die core is in sliding connection with the die insert, the movable die core moves towards the demolding direction, the ejector rods penetrate through the die insert and slide relative to the die insert, the ejector rods are arranged in parallel with the movable die core, the stroke of the movable die core is called a first stroke, the stroke of the ejector rods is called a second stroke, and the first stroke is larger than the second stroke.

In the secondary demolding mold in the above patent, when the ejector rod moves further towards the demolding direction, the mold core is separated from the casting, so that the product is free from adverse phenomena such as deformation and jacking during ejection. However, in the prior art, in the demolding process, a workpiece is easy to be remained in the fixed mold, so that demolding operation is not performed, and certain defects exist.

Disclosure of utility model

The utility model aims to provide a secondary demolding mold, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the secondary demolding mold comprises a base, a bearing plate, an injection mold, an injection molding opening, an upper mold, a lower mold, a cavity, a mounting plate, a plurality of groups of clamping blocks, clamping grooves, a plurality of groups of clamping strips and clamping grooves, wherein the bearing plate is connected to the base in a sliding mode; and the base is also provided with a demoulding assembly for driving the workpiece to demould.

Further, the demolding assembly comprises wedge-shaped driving blocks which are connected to the mounting plate in a sliding manner, each clamping block is clamped on the corresponding wedge-shaped driving block, and a driving piece for driving the wedge-shaped driving blocks to slide is further arranged on the base; the driving piece drives the wedge-shaped driving blocks to slide so that the groups of clamping blocks are synchronously close to each other, and therefore clamping strips on the workpiece are separated from the clamping grooves.

Further, the driving piece comprises a driving plate which is connected to the base in a sliding mode, and a servo cylinder is arranged between the driving plate and the base.

Further, a connecting plate is further arranged on the base, a plurality of groups of ejector rods are arranged on the connecting plate, and each ejector rod is in intermittent abutting connection with the workpiece.

Further, a plurality of groups of guide posts are arranged between the base and the bearing plate.

Compared with the prior art, the utility model has the beneficial effects that: this secondary drawing of patterns mould, through the cooperation between base, loading board, mounting panel, joint piece, draw-in groove and the work piece etc. when the operation of moulding plastics is accomplished, the joint of card strip at this moment is under the inside state of draw-in groove, consequently when the loading board slides, alright drive work piece synchronous slip to realize that the work piece drops from last mould, avoid the work piece to detain in last mould inside, lead to being difficult to the drawing of patterns, effectual. Therefore, in the process of continuously sliding the bearing plate, the workpiece on the clamping block is taken down through the demolding assembly, so that demolding operation of a product is realized, and the success rate of the demolding operation can be greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a partial structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a workpiece mounting position according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of a contact state between a mandrel and a workpiece according to an embodiment of the present utility model;

FIG. 5 is a schematic view illustrating another view of a contact state between a mandrel and a workpiece according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a connection mode between a wedge-shaped driving block and a clamping block according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a wedge driving block according to an embodiment of the present utility model;

Fig. 8 is a schematic structural diagram of a clamping block according to an embodiment of the present utility model;

fig. 9 is a schematic diagram of a workpiece according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a base; 2. an injection mold; 3. an injection molding port; 4. a carrying plate; 5. a connecting plate; 6. an upper die; 7. a lower die; 8. a mounting plate; 9. a wedge-shaped driving block; 10. a clamping block; 11. a clamping groove; 12. clamping strips; 13. a workpiece; 14. a guide post; 15. a driving plate; 16. and (5) a push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, the present utility model provides a technical solution: the secondary demolding mold comprises a base 1, a bearing plate 4, an injection mold 2, an injection molding port 3, an upper mold 6, a lower mold 7, a cavity, a mounting plate 8, a plurality of groups of clamping blocks 10, clamping grooves 11, a plurality of groups of clamping strips 12, and clamping grooves 11, wherein the bearing plate 4 is connected to the base 1 in a sliding manner; the base 1 is also provided with a demoulding assembly for driving the workpiece 13 to be demoulded.

Specifically, this secondary drawing of patterns mould, including base 1 and sliding connection's loading board 4 on base 1, still include injection mold 2 and set up the mouth 3 of moulding plastics on injection mold 2, install mould 6 in the injection mold 2, install lower mould 7 on the loading board 4, form the cavity of moulding plastics work piece 13 between mould 6 and the lower mould 7. When the injection mold 2 and the bearing plate 4 are close to each other in operation, the upper mold 6 and the lower mold 7 are closed at the moment, and the injection port 3 is connected with the upper mold 6 and is used for injecting water into the cavity of the injection molding workpiece 13. Specifically, a driving source for driving the bearing plate 4 to be separated from the injection mold 2 is further arranged on the base 1, and after the injection molding operation is completed, the driving source drives the bearing plate 4 to be separated from the mold. Wherein install a mounting panel 8 in loading board 4, be provided with multiunit joint piece 10 on the mounting panel 8, all offered draw-in groove 11 on every joint piece 10, injection moulding has multiunit card strip 12 on the work piece 13, every card strip 12 joint respectively in corresponding draw-in groove 11, consequently under the state of card strip 12 joint in draw-in groove 11 inside, when loading board 4 slides, alright drive work piece 13 synchronous slip, avoid work piece 13 to detain in last mould 6 inside, lead to being difficult to the drawing of patterns, effectual. And then the base 1 is also provided with a demoulding component for driving the workpiece 13 to demould, so that the workpiece 13 on the clamping block 10 is taken down through the demoulding component along with the continuous sliding process of the bearing plate 4, thereby realizing the demoulding operation of products, greatly improving the success rate of the demoulding operation, protecting the workpiece 13 and meeting the working requirements.

In the embodiment provided by the utility model, the demolding assembly comprises wedge-shaped driving blocks 9 which are connected to the mounting plate 8 in a sliding manner, each clamping block 10 is clamped on the corresponding wedge-shaped driving block 9, and the base 1 is also provided with a driving piece for driving the wedge-shaped driving block 9 to slide; the driving member drives the wedge-shaped driving blocks 9 to slide so that the groups of clamping blocks 10 synchronously approach each other to enable the clamping strips 12 on the workpiece 13 to be separated from the clamping grooves 11. Therefore, when the locking device is used, the driving piece drives the driving plate 15 to slide to one side far away from the injection mold 2, and can drive the driving wedge blocks to slide synchronously, and when the driving wedge blocks slide, the locking clamping blocks 10 can be driven to be close to each other, so that the clamping grooves 11 on the workpiece 13 slide out synchronously from each clamping block 10, and the workpiece 13 is unlocked.

In the embodiment provided by the utility model, the driving piece comprises the driving plate 15 which is connected on the base 1 in a sliding way, specifically, the driving plate 15 is connected with the wedge-shaped driving blocks 9 through the connecting rods, and the servo cylinder is arranged between the driving plate 15 and the base 1, so that when the driving piece is used, the servo cylinder drives the driving plate 15 to slide to one side far away from the injection mold 2, the driving wedge-shaped blocks can be driven to slide synchronously, and when the driving wedge-shaped blocks slide, the locking clamping blocks 10 can be driven to be close to each other, so that the clamping grooves 11 on the workpieces 13 slide out synchronously from each clamping block 10, and the workpieces 13 are unlocked.

In the embodiment provided by the utility model, the base 1 is also provided with the connecting plate 5, the connecting plate 5 is provided with the plurality of groups of ejector rods 16, each ejector rod 16 is intermittently abutted with the workpiece 13, so that the workpiece 13 can be conveniently ejected out through the ejector rod 16, and the effect is good.

In the embodiment provided by the utility model, a plurality of groups of guide posts 14 are arranged between the base 1 and the bearing plate 4, so that the stability of the bearing plate 4 during sliding is improved.

Working principle: when the demolding operation is needed after the injection operation is completed, the secondary demolding mold drives the bearing plate 4 to be separated from the mold through the driving source after the injection operation is completed, so that the upper mold 6 is separated from the lower mold 7. In the process of separating the upper die 6 from the lower die 7, when the carrying plate 4 slides in the state that the clamping strips 12 are clamped in the clamping grooves 11, the workpiece 13 can be driven to slide synchronously, so that the workpiece 13 is prevented from being retained in the upper die 6, and the effect is good. Then, the servo cylinder is started to drive the driving plate 15 to slide to one side far away from the injection mold 2, so that the driving wedge blocks can be driven to slide synchronously, and the locking clamping blocks 10 can be driven to be close to each other in the sliding process of the driving wedge blocks, so that the clamping grooves 11 on the workpieces 13 slide out of each clamping block 10 synchronously, and the workpieces 13 are unlocked. When the driving source continuously drives the bearing seat to slide downwards to the base 1, the ejector rod is abutted against the workpiece 13 at the moment, and the workpiece 13 is ejected through the ejector rod.

It should be noted that the electric equipment and the external power supply related to the application can be powered by the storage battery.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a secondary drawing of patterns mould, includes base (1) and sliding connection loading board (4) on base (1), still includes injection mold (2) and sets up injection molding mouth (3) on injection mold (2), install mould (6) in injection mold (2), install lower mould (7) on loading board (4), form the cavity of moulding plastics work piece (13) between last mould (6) and lower mould (7), its characterized in that:

A mounting plate (8) is mounted in the bearing plate (4), a plurality of groups of clamping blocks (10) are arranged on the mounting plate (8), clamping grooves (11) are formed in each clamping block (10), a plurality of groups of clamping strips (12) are formed in the workpiece (13) in an injection molding mode, and each clamping strip (12) is respectively clamped in the corresponding clamping groove (11);

The base (1) is also provided with a demoulding assembly for driving the workpiece (13) to be demoulded.

2. The secondary stripping die as claimed in claim 1, wherein: the demolding assembly comprises wedge-shaped driving blocks (9) which are connected to the mounting plate (8) in a sliding manner, each clamping block (10) is clamped on the corresponding wedge-shaped driving block (9), and a driving piece for driving the wedge-shaped driving block (9) to slide is further arranged on the base (1);

The driving piece drives the wedge-shaped driving blocks (9) to slide so that the groups of clamping blocks (10) are synchronously close to each other, and the clamping strips (12) on the workpiece (13) are separated from the clamping grooves (11).

3. A secondary stripping die as claimed in claim 2, wherein: the driving piece comprises a driving plate (15) which is connected to the base (1) in a sliding mode, and a servo cylinder is arranged between the driving plate (15) and the base (1).

4. A secondary stripping die as claimed in claim 3, wherein: a connecting plate (5) is further arranged on the base (1), a plurality of groups of ejector rods (16) are arranged on the connecting plate (5), and each ejector rod (16) is in intermittent abutting connection with the workpiece (13).

5. The secondary stripping die as claimed in claim 1, wherein: a plurality of groups of guide posts (14) are arranged between the base (1) and the bearing plate (4).