CN216031923U

CN216031923U - Inclined ejection spring needle mold structure

Info

Publication number: CN216031923U
Application number: CN202122111800.9U
Authority: CN
Inventors: 李惠龙; 陈伟炜
Original assignee: Shenzhen Hightech Mould Co ltd
Current assignee: Shenzhen Hightech Mould Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-15
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses an inclined ejection spring needle mold structure, which comprises a product body and an inclined ejection spring needle, wherein a rear mold insert is arranged inside the product body, an elastic needle press block is arranged inside a limit surface of the elastic needle, the inclined ejection spring needle is connected to the surface of a return spring, the inclined ejection insert is wrapped outside the inclined ejection spring needle, an inclined ejection body is further arranged on the surface of the inclined ejection insert, the bottom of a power rod is connected with an inclined ejection seat, a guide block is arranged in the middle of the power rod, the inclined ejection spring needle mold structure can ensure that the inclined ejection body and the product body are slowly separated from a product glue position under the mutual movement of force when the inclined ejection body ejects the product body upwards, when the product body is separated from the glue position, the inclined ejection spring needle is separated from the limit surface of the elastic needle and is synchronously ejected with the product body to completely separate from an inverted buckle, and the mold structure for ejecting the product body is stable and reliable in daily processing and injection molding production, convenient assembly and low maintenance cost.

Description

Inclined ejection spring needle mold structure

Technical Field

The utility model relates to the technical field of mold structures, in particular to an inclined ejection spring needle mold structure.

Background

In the mold industry, mechanical movement of the pitched roof is a common movement mode, when a product has a buckling position and can not be directly demolded, a pitched roof structure is required, and the pitched roof structure is also called as a pitched tip structure and is mainly used for product demolding.

The product can not be completely demoulded due to the fact that the stroke of the pitched roof structure in the market is short, and the product needs to be pulled outwards to be demoulded when a part of the product is still in the glue position of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pitched roof spring needle mold structure, which solves the problems that the pitched roof structure in the market proposed in the background art cannot completely demold a product due to a short stroke, so that the product needs to be pulled outwards to demold the product when a part of the product is still in a glue position of the product, but the product is easily scratched in the process.

In order to achieve the purpose, the utility model provides the following technical scheme: the ejection pin mould structure comprises a product body and an ejection pin, wherein a rear mould insert is arranged in the product body, a pin limiting surface is arranged on the surface of the rear mould insert, an ejection pin pressing block is arranged in the pin limiting surface, a return spring is arranged on the surface of the ejection pin pressing block, the ejection pin is connected to the surface of the return spring, the ejection pin is wrapped outside the ejection pin obliquely, an ejection pin is arranged on the surface of the ejection pin all around, the surface of the ejection pin is also provided with an ejection pin obliquely, the bottom of the ejection pin is connected with a power rod, the bottom of the power rod is connected with an ejection base, and the middle of the power rod is provided with a guide block.

Preferably, the pitched roof body and the pitched roof insert are connected in a clamping mode, and the pitched roof insert is movably connected with the elastic needle pressing block in an inserting mode through the pitched roof elastic needle.

Preferably, the inclined ejection elastic needles are elastically connected with the elastic needle pressing block through return springs, and the inclined ejection elastic needles are symmetrically distributed about a central axis of the elastic needle pressing block.

Preferably, the outer opening structure of the bullet needle pressing block is matched with the inner opening structure of the bullet needle limiting surface, and the top end of the power rod penetrates through the rear mold insert and then is located inside the bullet needle limiting surface.

Preferably, the power rod is movably connected with the inclined ejecting seat in a rotating mode, and the inclined ejecting body moves up and down through the power rod.

Preferably, the radian of the outer surface of the pitched roof body is matched with the radian of the outer surface of the rear mold insert, and the pitched roof body slides along the outer wall of the pitched roof spring needle through a power rod.

The utility model provides an inclined ejection spring needle mold structure, which has the following beneficial effects:

according to the utility model, when the product body is ejected upwards by the pitched roof body, under the mutual movement of force, the pitched roof body and the product body are slowly separated from a product glue position, and the synchronous pitched roof elastic needle still ejects the product body without movement under the action of the elastic needle limiting surface of the rear mold insert.

Drawings

FIG. 1 is a schematic view of the overall structure of the angle ejection spring needle mold structure according to the present invention;

FIG. 2 is a schematic diagram of a structure of a pitched roof insert of the structure of the pitched roof spring needle mold of the present invention;

FIG. 3 is a schematic diagram of a bullet pin pressing block structure of the angle ejection bullet pin mold structure of the present invention;

fig. 4 is a schematic structural diagram of a product body of the oblique-ejection spring needle mold structure of the utility model.

In the figure: 1. a product body; 2. a rear mold insert; 3. a spring needle limiting surface; 4. pressing the spring needle into a block; 5. a return spring; 6. obliquely ejecting a spring needle; 7. a pitched roof insert; 8. obliquely ejecting and inlaying a pin; 9. a lifter body; 10. a power rod; 11. a slanted ejecting seat; 12. and a guide block.

Detailed Description

As shown in fig. 1-4, the angle ejection spring needle mold structure includes a product body 1 and an angle ejection spring needle 6, a back mold insert 2 is arranged inside the product body 1, a spring needle limiting surface 3 is arranged on the surface of the back mold insert 2, a spring needle pressing block 4 is arranged inside the spring needle limiting surface 3, a return spring 5 is arranged on the surface of the spring needle pressing block 4, the angle ejection spring needle 6 is connected to the surface of the return spring 5, an angle ejection insert 7 is wrapped outside the angle ejection spring needle 6, angle ejection insert 8 is arranged around the surface of the angle ejection insert 7, an angle ejection body 9 is further arranged on the surface of the angle ejection insert 7, a power rod 10 is connected to the bottom of the angle ejection body 9, an angle ejection base 11 is connected to the bottom of the power rod 10, and a guide block 12 is arranged in the middle of the power rod 10.

The specific operation is as follows, the back mould mold insert 2 is run through and is located 3 insides of the spacing face of bullet needle on the power rod 10 top, make the oblique top body 9 be located 3 insides of the spacing face of bullet needle, product body 1 is in oblique top body 9, behind the shaping solidification of 2 surface of back mould mold insert, through external power supply, for example, hydraulic stem promotes back mould mold insert 2 and rises, power rod 10 stretches out simultaneously and makes oblique top body 9 rise in step, thereby make product body 1 break away from the product and glue the position, then when no longer having the risk of pulling the product after product body 1 breaks away from gluey position, power rod 10 continues to stretch out alone and makes oblique top body 9 protrusion in back mould mold insert 2 surface, can accomplish ejecting of product body 1 this moment, realize the drawing of patterns purpose of product body 1.

As shown in fig. 2-3, the pitched roof body 9 and the pitched roof insert 7 form a snap connection, the pitched roof insert 7 forms a snap movable connection with the bullet needle pressing block 4 through the pitched roof bullet needle 6, the pitched roof bullet needle 6 forms an elastic connection with the bullet needle pressing block 4 through the return spring 5, and the pitched roof bullet needles 6 are symmetrically distributed about the central axis of the bullet needle pressing block 4.

When the power rod 10 continues to extend, the spring needle 6 is pushed obliquely and synchronously extends through the return spring 5, meanwhile, the spring needle pressing block 4 is still positioned inside the spring needle limiting face 3, and when the power rod 10 contracts, the spring needle limiting face 3 can be accurately retracted by the oblique pushing body 9 along the outer wall of the spring needle 6 in a sliding mode, so that the next time the demoulding operation is carried out after the extension.

As shown in fig. 1, the outer opening structure of the bullet needle pressing block 4 is matched with the inner opening structure of the bullet needle limiting surface 3, and the top end of the power rod 10 penetrates through the rear mold insert 2 and then is located inside the bullet needle limiting surface 3.

The bullet needle briquetting 4 is located the spacing face of bullet needle 3 inside all the time, and both structures are identical, is favorable to improving the stability of whole structure to the angle is pushed up body 9 and is returned to the spacing face of bullet needle 3 inside simultaneously.

As shown in fig. 1, the power rod 10 is movably connected with the lifter base 11 in a rotating manner, the lifter body 9 is lifted by the power rod 10, the radian of the outer surface of the lifter body 9 is matched with the radian of the outer surface of the rear mold insert 2, and the lifter body 9 slides along the outer wall of the lifter spring pin 6 by the power rod 10.

The radian of the outer surface of the pitched roof body 9 is identical with that of the outer surface of the rear mold insert 2, so that the product body 1 reaches a preset qualified specification after being cured and formed, and the position of the whole structure can be fixed by positioning and installing the guide block 12 and the mold before the structure is used, and the demolding can be realized accurately.

To sum up, this oblique top bullet needle mould structure, during the use, at first before using this structure through the guide block 12 with the location installation of mould can fix the position of whole structure to accurate realization drawing of patterns.

Then, the top end of the power rod 10 runs through the rear die insert 2 and is located inside the elastic needle limiting surface 3, so that the pitched roof body 9 is located inside the elastic needle limiting surface 3, the product body 1 is formed and cured on the outer surfaces of the pitched roof body 9 and the rear die insert 2, and after the external power source is arranged, for example, the hydraulic rod pushes the rear die insert 2 to ascend, and meanwhile, the power rod 10 synchronously stretches out to enable the pitched roof body 9 to ascend synchronously, so that the product body 1 is separated from a product glue position.

And when the product body 1 no longer has the risk of pulling the product after breaking away from gluey position, power rod 10 continues to stretch out alone and makes the pitched roof body 9 protrusion in back mould mold insert 2 surface, can accomplish ejecting of product body 1 this moment, realizes the drawing of patterns purpose of product body 1.

Finally, when the power rod 10 continues to extend, the inclined ejection spring needle 6 synchronously extends through the return spring 5, meanwhile, the spring needle pressing block 4 is still located inside the spring needle limiting face 3, and when the power rod 10 contracts, the inclined ejection body 9 can slide along the outer wall of the inclined ejection spring needle 6 and accurately retracts into the spring needle limiting face 3, so that the next time of drawing out of the patterns is performed.

Claims

1. The pitched ejection elastic needle die structure comprises a product body (1) and a pitched ejection elastic needle (6), and is characterized in that a rear die insert (2) is arranged inside the product body (1), an elastic needle limiting surface (3) is arranged on the surface of the rear die insert (2), an elastic needle pressing block (4) is arranged inside the elastic needle limiting surface (3), a return spring (5) is arranged on the surface of the elastic needle pressing block (4), the pitched ejection elastic needle (6) is connected to the surface of the return spring (5), the pitched ejection elastic needle (6) is wrapped by the pitched ejection insert (7), the pitched ejection insert (8) is arranged around the surface of the pitched ejection insert (7), a pitched ejection body (9) is further arranged on the surface of the pitched ejection insert (7), a power rod (10) is connected to the bottom of the pitched ejection body (9), and a pitched ejection base (11) is connected to the bottom of the power rod (10), and the middle part of the power rod (10) is provided with a guide block (12).

2. The pitched roof spring needle die structure according to claim 1, characterized in that the pitched roof body (9) and the pitched roof insert (7) form a snap connection, and the pitched roof insert (7) forms an insertion movable connection with the spring needle pressing block (4) through the pitched roof spring needle (6).

3. The structure of the slant ejection spring needle mold according to claim 1, wherein the slant ejection spring needles (6) are elastically connected with the spring needle pressing block (4) through return springs (5), and the slant ejection spring needles (6) are symmetrically distributed about a central axis of the spring needle pressing block (4).

4. The inclined ejection bullet needle mold structure according to claim 1, wherein the outer opening structure of the bullet needle pressing block (4) is matched with the inner opening structure of the bullet needle limiting surface (3), and the top end of the power rod (10) penetrates through the rear mold insert (2) and then is located inside the bullet needle limiting surface (3).

5. The angle ejector pin mold structure according to claim 1, wherein the power rod (10) is rotatably and movably connected with the angle ejector seat (11), and the angle ejector body (9) is lifted by the power rod (10).

6. The structure of the pitched roof spring needle mold according to claim 1, wherein the radian of the outer surface of the pitched roof body (9) is matched with the radian of the outer surface of the rear mold insert (2), and the pitched roof body (9) slides along the outer wall of the pitched roof spring needle (6) through a power rod (10).