CN213563967U

CN213563967U - Empty injection mold is kept away to mould benevolence

Info

Publication number: CN213563967U
Application number: CN202021292262.7U
Authority: CN
Inventors: 朱文亚
Original assignee: Suzhou Xinyou Mould Technology Co ltd
Current assignee: Suzhou Xinyou Mould Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-06-29
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a vacant injection mold is kept away to mould benevolence, it includes: the upper die mechanism comprises an upper die panel and a front die plate; the lower die mechanism comprises a lower die base plate, die feet, an ejector pin base plate, an ejector pin plate and a rear die plate, wherein a rear die core is embedded in the rear die plate, a second molding surface which is in butt joint with the first molding surface is formed on the top surface of the rear die core, a first cavity is arranged on the front side of the rear die core, a second cavity is arranged on the rear side of the rear die core, and the first cavity and the second cavity are arranged on the bottom surface of the front die plate. The utility model discloses a set up first cavity and second cavity on the bottom surface of template in the front, form and keep away the empty structure to processing in the substitution tradition technique on back mould benevolence keeps away the empty way, solve mould benevolence electro-discharge machining effectively and appear bumping the problem of wrong limit.

Description

Empty injection mold is kept away to mould benevolence

Technical Field

The utility model relates to an injection mold field particularly, relates to a mould benevolence keeps away empty injection mold.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

Currently, injection molding is mainly achieved by means of an injection mold. In some existing injection molds, the height of the rear mold core exceeds that of the front mold plate, and in order to prevent mold collision, clearance is generally made on the side surface of the rear mold core higher than the mold plate, but the structure has certain processing defects due to the fact that the side surface of the rear mold core is staggered during electric discharge processing of the mold core.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an empty injection mold is kept away to mould benevolence aims at solving the problem of bumping the wrong limit that processing was kept away the appearance on the back mould benevolence through doing the mode of keeping away the empty in the front forms.

The utility model provides a vacant injection mold is kept away to mould benevolence, it includes:

the upper die mechanism comprises an upper die panel and a front template, the front template is fixedly arranged on the bottom surface of the upper die panel, a front die core is embedded in the front template, a first molding surface is formed on the bottom surface of the front die core, and a pouring channel penetrates through the upper die panel and the front template;

lower die mechanism, it includes the lower die bed plate, the die foot, thimble bottom plate, thimble board and back template, die foot and thimble bottom plate are fixed to be set up on the lower die bed plate, thimble bottom plate is located the die foot inboard, the thimble board is fixed to be set up on thimble bottom plate, fixed mounting has just to pouring the thimble of passageway on the thimble board, it has back mould benevolence to inlay in the back template, form the second molding surface of butt joint first molding surface on the top surface of back mould benevolence, the front side of back mould benevolence is provided with first cavity, the rear side of back mould benevolence is provided with the second cavity, first cavity and second cavity are all located on the bottom surface of front template.

Furthermore, an installation guide mechanism is arranged in the second cavity.

Furthermore, the installation guide mechanism comprises a guide groove and a guide block, the guide block is provided with a convex block inserted into the guide groove, the guide groove is arranged on the bottom surface of the front template, and the guide block is arranged on the top surface of the rear template.

Furthermore, the bottom of the guide block is provided with a connecting column which is inserted into an insert, and the insert is fixedly arranged on the top surface of the rear template.

Furthermore, the connecting column extends obliquely, the bottom end of the connecting column is fixedly connected with a jacking block, and the jacking block is fixedly connected to the side face of the rear template through a screw.

Furthermore, the pouring opening of the pouring channel is horn-shaped, and a circular top cover which is screwed to the pouring opening is arranged on the pouring opening.

The utility model provides an among the empty injection mold is kept away to mould benevolence, through setting up first cavity and second cavity on the bottom surface of template in the front, and set up first cavity and second cavity respectively in the front side and the rear side of back mould benevolence, form and keep away empty structure, in order to prevent to hit the mould when back mould benevolence highly surpasss preceding template height, thereby can replace processing in the traditional art and keep away empty way in the back mould benevolence, solve mould benevolence discharge machining effectively and add the problem that appears bumping the wrong limit, thereby solve the processing drawback.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a top view of an injection mold with a cavity being kept clear according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a sectional view taken along line B-B in fig. 1.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Example one

Referring to fig. 1 to 3, a mold insert space-saving injection mold according to an embodiment of the present invention is shown, wherein an upper mold mechanism and a lower mold mechanism are mainly disposed.

Referring to fig. 1 to 3, the upper mold mechanism mainly includes an upper mold panel 1 and a front mold plate 11, the front mold plate 11 is fixedly installed on a bottom surface of the upper mold panel 1, a front mold core 12 is embedded in the front mold plate 11, a first molding surface 121 is formed on a bottom surface of the front mold core 12, and a pouring channel 13 penetrates through the upper mold panel 1 and the front mold plate 11.

Referring to fig. 1 to 3, the lower mold mechanism mainly includes a lower mold base plate 2, a mold foot 21, an ejector retainer plate 22, an ejector retainer plate 23 and a rear mold plate 24, the mold foot 21 and the ejector retainer plate 22 are fixedly disposed on the lower mold base plate 2, the ejector retainer plate 22 is located inside the mold foot 21, the ejector retainer plate 23 is fixedly disposed on the ejector retainer plate 22, an ejector pin facing the casting channel 13 is fixedly mounted on the ejector retainer plate 23, a rear mold core 25 is embedded in the rear mold plate 24, a second molding surface 251 abutting against the first molding surface 121 is formed on the top surface of the rear mold core 25, a first cavity 252 is disposed on the front side of the rear mold core 25, a second cavity 253 is disposed on the rear side of the rear mold core 25, and the first cavity 252 and the second cavity 253 are both disposed on the bottom.

Referring to fig. 1 to 3, the casting opening of the casting channel 13 is in a trumpet shape, and a circular top cover 131 screwed to the casting opening is arranged on the trumpet shape.

When the mold is closed, the front mold core 12 and the rear mold core 25 form the product between the first molding surface 121 and the second molding surface 251.

In the injection mold that cavity of this embodiment was kept away to cavity, through set up first cavity and second cavity on the bottom surface of template in the front, and set up first cavity and second cavity respectively in the front side and the rear side of back cavity, form and keep away the empty structure, in order to prevent to hit the mould when back cavity highly surpasss the front mould board height, thereby can replace the way of processing in the traditional art and keep away the empty on the back cavity, solve the problem of mistake limit that bumps appear during mould benevolence discharge machining effectively, thereby solve the processing drawback.

Example two

Referring to fig. 1 to 3, there is shown an injection mold with a cavity being kept clear according to a second embodiment of the present invention, the rest of which are the same as those in the first embodiment, and a further improvement is that a mounting guide mechanism 3 is disposed in the second cavity 253.

Referring to fig. 1 to 3, the mounting guide mechanism 3 specifically includes a guide groove 31 and a guide block 32, the guide block 32 has a projection 33 inserted into the guide groove 31, the guide groove 31 is provided on the bottom surface of the front mold plate 11, and the guide block 32 is provided on the top surface of the rear mold plate 24.

Through setting up installation guiding mechanism, the location guide effect when forming the compound die of upper and lower mould prevents the dislocation of profiled surface, if when the dislocation appears, because the lug of guide block can not get into the guide way, then can form unable compound die, just reminds the staff this moment and need adjust.

EXAMPLE III

Referring to fig. 1 to 3, there is shown a third embodiment of the present invention of a cavity clearance-free injection mold, the other embodiments are the same as the first embodiment, and a further improvement is that the bottom of the guide block 32 has a connecting column 321, which is inserted into the insert 34, and the insert 34 is fixedly disposed on the top surface of the rear mold plate 24.

Through the setting of this structure, demolish and install the guide block, only need can accomplish with the help of inserting to can realize the quick detach fast-assembling of guide block, when the guide block wearing and tearing are serious, alright with quick replacement.

Example four

Referring to fig. 1 to 3, the injection mold for cavity insert clearance according to the fourth embodiment of the present invention is shown, and the rest is the same as the first embodiment, and the further improvement lies in that the connecting column 321 extends obliquely, the bottom end of the connecting column 321 is fixedly connected with the tightening block 35, and the tightening block 35 is fixedly connected to the side surface of the rear mold plate 24 through screws. Through the arrangement of the structure, the outer side of the insert can be fixed, the insert can be quickly fixed and loosened, and the guide block is convenient to disassemble and assemble.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an empty injection mold is kept away to mould benevolence which characterized in that includes:

the mould pressing mechanism comprises an upper mould panel (1) and a front mould plate (11), wherein the front mould plate (11) is fixedly arranged on the bottom surface of the upper mould panel (1), a front mould core (12) is embedded in the front mould plate (11), a first forming surface (121) is formed on the bottom surface of the front mould core (12), and a pouring channel (13) penetrates through the upper mould panel (1) and the front mould plate (11);

the lower die mechanism comprises a lower die bottom plate (2), a die leg (21), an ejector pin bottom plate (22), an ejector pin plate (23) and a rear die plate (24), the mould feet (21) and the thimble bottom plate (22) are fixedly arranged on the lower mould bottom plate (2), the ejector pin bottom plate (22) is positioned at the inner side of the mould foot (21), the ejector pin plate (23) is fixedly arranged on the ejector pin bottom plate (22), an ejector pin facing the pouring channel (13) is fixedly arranged on the ejector pin plate (23), a rear die core (25) is embedded in the rear template (24), a second molding surface (251) which is butted with the first molding surface (121) is formed on the top surface of the rear die core (25), a first cavity (252) is arranged at the front side of the rear die core (25), a second cavity (253) is arranged at the rear side of the rear die core (25), the first cavity (252) and the second cavity (253) are both arranged on the bottom surface of the front template (11).

2. The cavity-avoiding injection mold according to claim 1, wherein a mounting guide mechanism (3) is provided in the second cavity (253).

3. A cavity-avoiding injection mold according to claim 2, wherein the mounting guide mechanism (3) comprises a guide groove (31) and a guide block (32), the guide block (32) has a projection (33) inserted into the guide groove (31), the guide groove (31) is provided on the bottom surface of the front mold plate (11), and the guide block (32) is provided on the top surface of the rear mold plate (24).

4. A cavity-avoiding injection mold according to claim 3, wherein the bottom of the guide block (32) has a connecting post (321) inserted into an insert (34), and the insert (34) is fixedly arranged on the top surface of the back mold plate (24).

5. The mold insert clearance-avoiding injection mold according to claim 4, wherein the connecting column (321) extends obliquely, a tightening block (35) is fixedly connected to the bottom end of the connecting column (321), and the tightening block (35) is fixedly connected to the side surface of the rear mold plate (24) through a screw.

6. The mold core void-avoiding injection mold according to claim 1, wherein the casting opening of the casting channel (13) is horn-shaped, and a circular top cover (131) screwed to the casting opening is arranged on the casting opening.