CN219338424U

CN219338424U - Double-colored mould front mould slider structure

Info

Publication number: CN219338424U
Application number: CN202320113969.4U
Authority: CN
Inventors: 曹晓英; 黄江平; 陈家新
Original assignee: Huizhou Yaoying Precision Technology Co ltd
Current assignee: Huizhou Yaoying Precision Technology Co ltd
Priority date: 2023-01-19
Filing date: 2023-01-19
Publication date: 2023-07-14
Anticipated expiration: 2033-01-19

Abstract

The utility model discloses a double-color front mold sliding block structure, which relates to the field of injection molds and comprises a front mold core and a rear mold core, wherein the front mold core is provided with a slide groove and an inclined through hole which are communicated with each other, a slide block is arranged in the slide groove in a sliding manner, inclined guide posts which are in one-to-one correspondence with the slide block are arranged in the inclined through hole in a sliding manner, a fixed seat is arranged in the front mold core, one end of each inclined guide post is integrally formed with the lower end surface of the slide block, a reset groove is formed in the other end of each inclined guide post, a reset piece which is in contact with the fixed seat is arranged in the reset groove, the reset piece applies elasticity to each inclined guide post, the direction of the elasticity is collinear with the extending direction of each inclined guide post and is oblique to the opening direction of the mold, the upper end surface of the slide block is provided with a draw hook, the rear mold core is provided with a hook groove which is in one-to-one correspondence with the draw hook, the draw hook is hooked with the hook groove during mold closing, and the draw hook is separated from the hook groove during mold opening. The structure is compact, the mould cost and the injection molding cost can be saved, the inclined ejector rod is relatively stable in guide, the mould is easy to match, the assembling links are relatively less, the precision is higher, and the clamping line is attractive.

Description

Double-colored mould front mould slider structure

Technical Field

The utility model relates to the field of injection molds, in particular to a double-color mold front mold sliding block structure.

Background

In chinese patent publication No. CN218139684U, there is disclosed a spring guide block which is connected to the front mold core and guides sliding of the spring, wherein a plurality of springs are provided in one front mold core and the output ends of the springs are in contact with the product. The spring block guide block and the spring block are of split structures and are fixed on the die blank separately, so that the spring block guide block and the spring block are difficult to assemble with a row position, and the product clamping line is not well controlled. The bullet piece guide block and bullet piece are split structure and produce the accumulation processing tolerance easily great, and the mould quality is not good control.

Disclosure of Invention

The utility model aims to provide a double-color front mold sliding block structure for solving the problems in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a double-colored mould front mould slider structure, includes front mould benevolence and back mould benevolence, the front mould benevolence is equipped with the die cavity, die cavity one side is equipped with the slide groove and the oblique through-hole of mutual intercommunication, slide in the slide groove and be equipped with the slide block, slide in the slide hole and be equipped with the oblique guide pillar with slide block one-to-one, the front mould benevolence is kept away from the surface of back mould benevolence and is equipped with the fixing base with oblique guide pillar one-to-one, oblique guide pillar one end and slide block lower terminal surface integrated into one piece setting, the reset groove has been seted up to the other end of oblique guide pillar, be equipped with the reset piece that contradicts with the fixing base in the reset groove, the elastic force is exerted to oblique guide pillar to the extension direction collineation and all with the die sinking direction skew of oblique guide pillar, slide block up end is equipped with the drag hook, the back mould benevolence be equipped with the drag hook one-to-hook groove hook when the compound die drag hook one-to-hook draw hook and hook groove uncoupling. The structure is compact, the mould cost and the injection molding cost can be saved, the inclined ejector rod is relatively stable in guide, the mould is easy to match, the assembling links are relatively less, the precision is higher, and the clamping line is attractive.

Further, the front mould core can be dismantled and be equipped with the stopper with row position piece one-to-one, first spout has been seted up to the one end that row position piece kept away from the die cavity, the second spout has been seted up to the one end that oblique guide pillar kept away from the die cavity, first spout and second spout intercommunication form oblique spout, the one end that the stopper is close to the die cavity is equipped with oblique slider, oblique slider slides and sets up in oblique spout inside, the extending direction of oblique spout is parallel to each other with the slip direction of oblique guide pillar. The plane of the inclined slide block, which is close to the surface of the cavity, is parallel to the direction of the elastic force. The first sliding groove and the second sliding groove are sequentially connected to form a writing sliding groove. Guiding the moving direction of the line position block by utilizing the inclined sliding block to cooperate with the first sliding groove; and guiding the moving direction of the inclined guide column by utilizing the inclined sliding block to be matched with the second sliding groove.

Further, a guide piece penetrating through the reset piece is arranged in the reset groove, and the extending direction of the guide piece is collinear with the direction of the elastic force. And a guide piece is arranged in the reset groove and used for guiding the elastic deformation direction of the reset piece, so that the reset piece elastically deforms along the extending direction of the guide piece, and the elastic force applied by the reset piece extends along the guide piece.

Further, the back mold core is provided with a first groove, a second groove is arranged in the first groove, a wear-resisting plate is arranged in the first groove, a through groove communicated with the second groove is formed in the wear-resisting plate, the projection of the second groove on the plane of the wear-resisting plate comprises the through groove, and the second groove and the through groove form the hook groove. The draw hook is arranged in the hook groove in a sliding way. The second groove and the penetrating groove form a hook groove. When the die is assembled, the upper end of the draw hook is arranged in the second groove and hooks the wear-resisting plate. When the die is opened, the draw hook slides in the through groove, the upper end of the draw hook is separated from the wear-resisting plate, and finally the upper end of the draw hook is separated from the second groove.

Further, the drag hook is an inverted L-shaped block, a third groove is formed in the upper end face of the line position block, and the lower end of the drag hook is detachably arranged in the third groove. The side of the draw hook, which is close to the cavity, is convexly provided with a bump at one end, which is close to the rear mold core, and the draw hook and the bump are integrally formed to form the inverted L-shaped block. The third groove is matched with one end of the draw hook, and the draw hook, the traveling block and the hook groove are precisely positioned through the positioning of the third groove.

Further, the fixing base middle part is concavely equipped with the constant head tank, the inside slope platform that is equipped with of constant head tank, setting element one end conflict slope platform resets. The plane of the inclined platform is perpendicular to the direction of the elastic force. One end of the resetting piece is arranged on the inclined platform, and the resetting piece is supported and positioned through the inclined platform.

Further, the fixing seat is embedded with a locating pin, the surface of the front die core, which is far away from the rear die core, is provided with a bolt groove corresponding to the locating pin one by one, and one end of the locating pin is arranged in the bolt groove. The positioning pin is matched with the front die core to position the fixing seat, and the positioning groove, the guide piece and the reset piece are positioned through the positioning groove.

Further, the guide piece is a polished rod, a first slot is formed in the inner wall of the reset slot, a second slot is formed in the inclined platform, and two ends of the guide piece are respectively arranged in the first slot and the second slot. Further, the stroke of the oblique guide post is smaller than the depth of the first slot. The first slot is used for positioning one end of the guide piece, the second slot is used for positioning the other end of the guide piece, and the guide piece is positioned through the first slot and the second slot. And after the die is opened, the inclined guide post is still positioned in the first slot. The elastic deformation direction of the resetting piece is guided by the guide piece.

Further, the row position groove is in an inverted trapezoid table shape, and the side face of the row position block is in an inclined shape. The non-forming side surface of the row position block has a certain inclination, so that the row position block is conveniently embedded into a row position groove on the front mold core.

Further, the reset piece is any one of a rubber block, a metal elastic sheet and a spring and is of a double-color-mold front mold sliding block structure. The rubber block, the metal elastic sheet and the spring all have certain elastic deformation capability, the elastic force is applied to the inclined platform and the bottom of the reset groove through the rubber block, the metal elastic sheet and the spring, the fixed seat is fixedly arranged at the bottom of the front die core, and the inclined guide pillar is driven to move towards the rear die core through the reset piece.

The beneficial effects of the utility model are as follows: the structure is compact, the mould cost and the injection molding cost can be saved, the inclined ejector rod is relatively stable in guide, the mould is easy to match, the assembling links are relatively less, the precision is higher, and the clamping line is attractive.

Drawings

The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.

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

FIG. 2 is a cross-sectional view A-A of an embodiment of the present utility model;

FIG. 3 is a B-B cross-sectional view according to an embodiment of the present utility model.

Reference numerals: front mould core 1, back mould core 2, row position piece 3, oblique guide pillar 4, fixing base 5, drag hook 6, stopper 7, antifriction plate 8, reset piece 9, guide part 10.

Description of the embodiments

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

In the present utility model, unless otherwise specified, terms such as "up, down, left, and right" are used to generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to inner and outer on a particular contour. "distal" and "proximal" refer to both distal and proximal relative to a component.

As shown in fig. 1-3, a dual-color front mold sliding block structure provided by an embodiment of the present utility model includes a front mold core 1 and a rear mold core 2, the front mold core 1 is provided with a cavity, one side of the cavity is provided with a row position groove and an inclined through hole which are mutually communicated, the row position groove is slidably provided with a row position block 3, the inclined through hole is slidably provided with inclined guide posts 4 in one-to-one correspondence with the row position block 3, the surface of the front mold core 1 away from the rear mold core 2 is provided with fixing seats 5 in one-to-one correspondence with the inclined guide posts 4, one end of each inclined guide post 4 is integrally formed with the lower end surface of the row position block 3, the reset groove is formed in the other end of the inclined guide post 4, a reset piece 9 which is in contact with the fixed seat 5 is arranged in the reset groove, the reset piece 9 applies elasticity to the inclined guide post 4, the direction of the elasticity is collinear with the extending direction of the inclined guide post 4 and is obliquely intersected with the opening direction, the upper end face of the line position block 3 is provided with a draw hook 6, the rear die insert 2 is provided with hook grooves in one-to-one correspondence with the draw hook 6, the hook grooves are in an inverted L shape, the draw hook 6 is hooked with the hook grooves during die assembly, and the draw hook 6 is separated from the hook grooves during die opening. The structure is compact, the mould cost and the injection molding cost can be saved, the inclined ejector rod is relatively stable in guide, the mould is easy to match, the assembling links are relatively less, the precision is higher, and the clamping line is attractive.

The front mould benevolence 1 can dismantle and be equipped with the stopper 7 with the line position piece 3 one-to-one, the first spout has been seted up to the one end that the die cavity was kept away from to line position piece 3, the second spout has been seted up to the one end that the die cavity was kept away from to oblique guide pillar 4, first spout and second spout intercommunication form oblique spout, the one end that stopper 7 is close to the die cavity is equipped with oblique slider, oblique slider slides and sets up in oblique spout inside, the extending direction of oblique spout is parallel to each other with the slip direction of oblique guide pillar 4. The plane of the inclined slide block, which is close to the surface of the cavity, is parallel to the direction of the elastic force. The first sliding groove and the second sliding groove are sequentially connected to form a writing sliding groove. Guiding the moving direction of the line position block 3 by utilizing the inclined sliding block to cooperate with the first sliding groove; the moving direction of the oblique guide post 4 is guided by utilizing the oblique sliding block to be matched with the second sliding groove.

A guide piece 10 penetrating through the reset piece 9 is arranged in the reset groove, and the extending direction of the guide piece 10 is collinear with the direction of the elastic force. A guide member 10 is installed in the reset groove, and the guide member 10 is used for guiding the elastic deformation direction of the reset member 9, so that the reset member 9 elastically deforms along the extending direction of the guide member 10, and the elastic force applied by the reset member 9 extends along the guide member 10.

The rear mold core 2 is provided with a first groove, a second groove is arranged in the first groove, a wear-resisting plate 8 is arranged in the first groove, a through groove communicated with the second groove is formed in the wear-resisting plate 8, the projection of the second groove on the plane of the wear-resisting plate 8 comprises the through groove, and the second groove and the through groove form the hook groove. The draw hook 6 is arranged in the hook groove in a sliding way. The second groove and the penetrating groove form a hook groove. When the die is assembled, the upper end of the draw hook 6 is arranged in the second groove and hooks the wear-resisting plate 8. When the die is opened, the draw hook 6 slides in the through groove, the upper end of the draw hook is separated from the wear-resisting plate 8, and finally the upper end of the draw hook 6 is separated from the second groove.

The drag hook 6 is an inverted L-shaped block, a third groove is formed in the upper end face of the line position block 3, and the lower end of the drag hook 6 is detachably arranged in the third groove. One end of the side surface of the draw hook 6, which is close to the cavity, which is close to the rear mold core 2 is convexly provided with a bump, and the draw hook 6 and the bump are integrally formed to form the inverted L-shaped block. The third groove is matched with one end of the draw hook 6, and the draw hook 6, the traveling block 3 and the hook groove are precisely positioned through the positioning of the draw hook 6 by the third groove.

The middle part of fixing base 5 is concave to be equipped with the constant head tank, the inside slope platform that is equipped with of constant head tank, 9 one end of restoring to throne conflict slope platform. The plane of the inclined platform is perpendicular to the direction of the elastic force. One end of the resetting piece 9 is arranged on the inclined platform, and the resetting piece 9 is supported and positioned through the inclined platform.

The fixing seat 5 is embedded with positioning pins, the surface of the front die core 1, which is far away from the rear die core 2, is provided with bolt grooves corresponding to the positioning pins one by one, and one end of each positioning pin is arranged in each bolt groove. The fixing seat 5 is positioned by matching the positioning pin with the front mold core 1, and the positioning groove, the guide piece 10 and the reset piece 9 are positioned by the positioning groove.

The guide piece 10 is a polished rod, a first slot is formed in the inner wall of the reset slot, a second slot is formed in the inclined platform, and two ends of the guide piece 10 are respectively arranged in the first slot and the second slot. The stroke of the oblique guide post 4 is smaller than the depth of the first slot. The first slot is used for positioning one end of the guide member 10, the second slot is used for positioning the other end of the guide member 10, and the guide member 10 is positioned through the first slot and the second slot. And after the die is opened, the inclined guide post 4 is still positioned in the first slot. The elastic deformation direction of the restoring member 9 is guided by the guide member 10.

The row position groove is in an inverted trapezoidal table shape, and the side surface of the row position block 3 is in an inclined shape. The non-forming side surface of the row position block 3 has a certain inclination, so that the row position block 3 is conveniently embedded into a row position groove on the front mold core 1.

The reset piece 9 is any one of a rubber block, a metal elastic sheet and a spring, and is of a double-color-mold front mold sliding block structure. The rubber block, the metal elastic sheet and the spring all have certain elastic deformation capability, the elastic force is applied to the inclined platform and the bottom of the reset groove through the rubber block, the metal elastic sheet and the spring, the fixed seat 5 is fixedly arranged at the bottom of the front die core 1, and the inclined guide pillar 4 is driven to move towards the rear die core 2 through the reset piece 9.

When the die is opened, the draw hook 6 drives the inclined guide post 4 to move in the inclination direction, the inclined guide post 4 is separated from the hook groove for back-off, and the reset piece 9 assists the inclined guide post 4 to pop out. And after the limiting block 7 reaches one end position of the second chute, one-time die opening is completed. When the mold is closed, the mold is obliquely propped against the PL surface to be broken and pressed back to the front mold core 1, and the second molding injection molding is prepared.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A double-colored mould front mould slider structure, its characterized in that: the front die core is provided with a die cavity, one side of the die cavity is provided with a slide groove and an inclined through hole which are communicated with each other, a slide block is arranged in the slide groove in a sliding manner, inclined guide posts which are in one-to-one correspondence with the slide block are arranged in the inclined through hole in a sliding manner, the surface of the front die core, which is far away from the rear die core, is provided with a fixed seat which is in one-to-one correspondence with the inclined guide posts, one end of each inclined guide post is integrally formed with the lower end face of the slide block, the other end of each inclined guide post is provided with a reset groove, a reset piece which is in contact with the fixed seat is arranged in the reset groove, the reset piece applies elasticity to the inclined guide posts, the direction of the elasticity is collinear with the extending direction of each inclined guide post and is oblique with the direction of the die opening, the upper end face of each slide block is provided with a drag hook, and the rear die core is provided with a hook groove which is in one-to-the drag hook.

2. The two-color front mold slide block structure according to claim 1, wherein: the front mold core is detachably provided with limiting blocks corresponding to the line position blocks one to one, one end of the line position blocks, away from the cavity, is provided with a first sliding groove, one end of the inclined guide pillar, away from the cavity, is provided with a second sliding groove, the first sliding groove is communicated with the second sliding groove to form an inclined sliding groove, one end, close to the cavity, of the limiting blocks is provided with an inclined sliding block, the inclined sliding block is arranged inside the inclined sliding groove in a sliding mode, and the extending direction of the inclined sliding groove is parallel to the sliding direction of the inclined guide pillar.

3. The two-color front mold slide block structure according to claim 1, wherein: the reset groove is internally provided with a guide piece penetrating through the reset piece, and the extending direction of the guide piece is collinear with the direction of the elastic force.

4. The two-color front mold slide block structure according to claim 1, wherein: the rear mold core is provided with a first groove, a second groove is arranged in the first groove, a wear-resisting plate is arranged in the first groove, the wear-resisting plate is provided with a through groove communicated with the second groove, the projection of the second groove on the plane where the wear-resisting plate is located comprises a through groove, and the second groove and the through groove form the hook groove.

5. The two-color front mold slide block structure according to claim 1, wherein: the drag hook is an inverted L-shaped block body, a third groove is formed in the upper end face of the position moving block, and the lower end of the drag hook is detachably arranged in the third groove.

6. A two-color front mold slide block structure according to claim 3, characterized in that: the fixing base middle part is concave to be equipped with the constant head tank, the inside slope platform that is equipped with of constant head tank, reset piece one end conflict slope platform.

7. The two-color front mold slide block structure according to claim 1, wherein: the fixing seat is embedded with a locating pin, the surface of the front die core, which is far away from the rear die core, is provided with a bolt groove corresponding to the locating pin one by one, and one end of the locating pin is arranged in the bolt groove.

8. The bi-color front mold slide structure according to claim 6, wherein: the guide piece is the polished rod, the first slot has been seted up to the groove inner wall that resets, the second slot has been seted up to the slope platform, the guide piece both ends set up respectively in first slot and second slot.

9. The two-color front mold slide block structure according to claim 1, wherein: the row position groove is in an inverted trapezoidal table shape, and the side surface of the row position block is in an inclined shape.

10. The two-color front mold slide block structure according to claim 1, wherein: the reset piece is any one of a rubber block, a metal elastic sheet and a spring and is of a double-color-mold front mold sliding block structure.