CN213564148U

CN213564148U - Injection mold with optical rod type thimble inner core

Info

Publication number: CN213564148U
Application number: CN202021290966.0U
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 an injection mold with polished rod formula thimble inner core, 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, and a front die core is embedded in the front template; 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 an ejector pin sleeve is fixedly mounted on the ejector pin plate and upwards penetrates through the rear die plate and a rear die core, an ejector pin penetrates through the ejector pin sleeve, the bottom of the ejector pin is arranged in the lower die base plate, the bottom end of the ejector pin is in contact with an insert block, the insert block is detachably connected to the bottom surface of the lower die base plate, the ejector pin upwards penetrates through the ejector pin base plate, and the length of the ejector pin is larger than that of the ejector. The utility model discloses in, thimble sleeve and thimble have carried out the location installation of sectional type to can improve the dismouting efficiency of department's section of thick bamboo part, improve the convenience of using.

Description

Injection mold with optical rod type thimble inner core

Technical Field

The utility model relates to an injection mold field particularly, relates to an injection mold with smooth rod-type thimble inner core.

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.

At present, stripping after injection molding can be realized through a thimble, wherein the ejector sleeve is one of the thimbles, a deeper column needs to be designed when a mold is made, the ejector sleeve can not be ejected when ejection is afraid, and the ejector sleeve needle can be used for solving the problem. The existing ejector sleeve is not convenient to detach from or mount in a die due to the inner core and the outer cylinder, and a plurality of dismounting and mounting processes are needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an injection mold with polished rod formula thimble inner core aims at solving the inconvenient problem of department's section of thick bamboo dismouting at present through the mode of carrying out segmentation location installation with thimble sleeve and thimble.

The utility model provides an injection mold with polished rod formula thimble inner core, 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, and a front die core is embedded in the front template;

lower die mechanism, it includes the lower die bed plate, the mold foot, thimble bottom plate, thimble board and back template, mold foot and thimble bottom plate are fixed to be set up on the lower die bed plate, thimble bottom plate is located the mold foot inboard, the thimble board is fixed to be set up on thimble bottom plate, it has the back mould benevolence that corresponds front mould benevolence position to inlay in the back template, fixed mounting has thimble sleeve on the thimble board, the thimble sleeve upwards runs through back template and back mould benevolence, wear the thimble in the thimble sleeve, in the lower die bed plate is located to the bottom of thimble, and the bottom contact of thimble is on inserting, it connects on the bottom surface of lower die bed plate to insert detachably, the thimble upwards runs through thimble bottom plate, the length of thimble is greater than the.

Further, the insert is connected to the bottom surface of the lower die base plate through a screw.

Furthermore, the top end of the thimble is exposed out of the top end of the thimble sleeve, a groove is formed in the rear mold core, and a jacking block for jacking the side face of the thimble is arranged in the groove.

Furthermore, the top surface of the rear die core is provided with a detachable rear molding block, and the groove and the top block are positioned on the rear molding block.

Furthermore, a detachable front forming block is arranged on the bottom surface of the front mold core, and the front end of the front forming block tightly pushes against the side surface of the thimble.

Furthermore, a gap of 0.1-0.9mm is formed between the thimble and the thimble sleeve.

The utility model provides an in the injection mold who has polished rod formula thimble inner core, set up the length of thimble to be greater than the length of thimble sleeve, the bottom fixed mounting of thimble sleeve is on the thimble board, then the bottom detachably of thimble connects on the bottom surface of lower mould bottom plate, during the installation, penetrate the thimble sleeve into the thimble board first, then at the bottom installation thimble bottom plate of thimble board, then penetrate the thimble, install the lower mould bottom plate again, make the bottom of thimble fix in the lower mould bottom plate;

therefore, the utility model discloses in, thimble sleeve and thimble have carried out the location installation of sectional type to can improve the dismouting efficiency of department's section of thick bamboo part, improve the convenience of using.

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 plunger pin 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.

Fig. 4 is a schematic view of an assembly structure of a thimble and a thimble sleeve in an injection mold with a plunger core according to an embodiment of the present invention.

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 4, an injection mold with a sucker rod type thimble core according to an embodiment of the present invention is shown, in which an upper mold mechanism and a lower mold mechanism are mainly disposed.

Referring to fig. 1 to 4, the upper mold mechanism 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, and a front mold core 12 is embedded in the front mold plate 11.

Referring to fig. 1 to 4, the lower die mechanism includes a lower die base plate 2, a die pin 21, an ejector pin base plate 22, an ejector pin plate 23 and a rear die plate 24, the die pin 21 and the ejector pin base plate 22 are fixedly disposed on the lower die base plate 2, the ejector pin base plate 22 is located on the inner side of the die pin 21, the ejector pin plate 23 is fixedly disposed on the ejector pin base plate 22, a rear die core 25 corresponding to the position of the front die core 12 is embedded in the rear die plate 24, an ejector pin sleeve 26 is fixedly mounted on the ejector pin plate 23, the ejector pin sleeve 26 upwardly penetrates through the rear die plate 24 and the rear die core 25, an ejector pin 27 penetrates through the ejector pin sleeve 26, the bottom of the ejector pin 27 is disposed in the lower die base plate 2, the bottom end of the ejector pin 27 contacts an insert detachably connected to the bottom surface of the lower die base plate 2, the ejector pin 27.

In order to facilitate the removal of the ejector pins, referring to fig. 1 to 4, the insert is connected to the bottom surface of the lower die base plate 2 by screws, and a gap of 0.1-0.9mm is provided between the ejector pin 27 and the ejector pin sleeve 26.

In the injection mold with the photo-rod type thimble inner core, the length of the thimble is set to be greater than that of the thimble sleeve, the bottom of the thimble sleeve is fixedly installed on the thimble plate, and then the bottom of the thimble is detachably connected to the bottom surface of the lower mold base plate;

therefore, in the embodiment, the ejector pin sleeve and the ejector pin are positioned and installed in a sectional mode, so that the dismounting efficiency of the ejector sleeve part can be improved, and the use convenience is improved.

Example two

Referring to fig. 1 to 4, there is shown an injection mold with a rod-type thimble core according to a second embodiment of the present invention, which is otherwise the same as the first embodiment, and a further improvement is that the top end of the thimble 27 is exposed out of the top end of the thimble sleeve 26, and a groove is provided on the rear mold core 25, and a top block 28 for supporting the side surface of the thimble 27 is provided in the groove.

Specifically, referring to fig. 1 to 4, the top surface of the rear mold core 25 is provided with a detachable rear molding block 251, and the recess and the top block 28 are located on the rear molding block 251.

Through the setting of above-mentioned structure, can form limiting displacement on thimble top, prevent the thimble off tracking, and also can loosen the top position of thimble fast when dismantling.

EXAMPLE III

Referring to fig. 1 to 4, there is shown an injection mold with a rod-type thimble core according to a third embodiment of the present invention, the rest is the same as the first embodiment, and a further improvement is that a detachable front forming block 121 is disposed on the bottom surface of the front mold core 12, and the front end 122 of the front forming block 121 abuts against the side surface of the thimble 27. Through the setting of above-mentioned structure, can form limiting displacement on thimble top, prevent the thimble off tracking, and also can loosen the top position of thimble fast when dismantling.

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. An injection mold with a sucker-rod ejector pin inner core, comprising:

the upper die mechanism comprises an upper die panel (1) and a front die plate (11), wherein the front die plate (11) is fixedly arranged on the bottom surface of the upper die panel (1), and a front die core (12) is embedded in the front die plate (11);

the lower die mechanism comprises a lower die base plate (2), a die leg (21), an ejector pin base plate (22), an ejector pin plate (23) and a rear die plate (24), wherein the die leg (21) and the ejector pin base plate (22) are fixedly arranged on the lower die base plate (2), the ejector pin base plate (22) is positioned on the inner side of the die leg (21), the ejector pin plate (23) is fixedly arranged on the ejector pin base plate (22), a rear die core (25) corresponding to the position of the front die core (12) is embedded in the rear die plate (24), an ejector pin sleeve (26) is fixedly installed on the ejector pin plate (23), the ejector pin sleeve (26) upwards penetrates through the rear die plate (24) and the rear die core (25), an ejector pin (27) penetrates through the ejector pin sleeve (26), the bottom of the ejector pin (27) is arranged in the lower die base plate (2), and the bottom end of the ejector pin (27) is contacted with the insert, the insert is detachably connected to the bottom surface of the lower die base plate (2), the ejector pin (27) upwards penetrates through the ejector pin base plate (22), and the length of the ejector pin (27) is larger than that of the ejector pin sleeve (26).

2. An injection mold with a plunger core according to claim 1, wherein the insert is attached to the bottom surface of the lower mold base plate (2) by screws.

3. An injection mold with a plunger core according to claim 1, wherein the top of the ejector pin (27) is exposed from the top of the ejector pin sleeve (26), and the rear mold core (25) is provided with a groove, and the groove is provided with a top block (28) for supporting the side surface of the ejector pin (27).

4. An injection mold with a plunger core according to claim 3, wherein the top surface of the rear mold core (25) is provided with a detachable rear molding block (251), and the groove and the top block (28) are located on the rear molding block (251).

5. The injection mold with the ejector pin core of claim 3 or 4, wherein the front mold core (12) is provided with a detachable front molding block (121) on the bottom surface, and the front end (122) of the front molding block (121) is tightly pressed against the side surface of the ejector pin (27).

6. An injection mold with a plunger core according to claim 1, characterized in that the ejector pin (27) and the ejector pin sleeve (26) have a gap of 0.1-0.9 mm.