CN216400236U

CN216400236U - Take die structure of front mould lifter ejection mechanism

Info

Publication number: CN216400236U
Application number: CN202122312105.9U
Authority: CN
Inventors: 罗旭; 邓兴国
Original assignee: Sichuan Kesi Precision Mould Co ltd
Current assignee: Sichuan Kesi Precision Mould Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-29
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a die structure with a front die inclined ejection mechanism, and belongs to the technical field of die design. The utility model provides a take die structure of front mould lifter ejection mechanism, includes: a front mold and a rear mold; a front mold insert is arranged on the front mold, and a rear mold insert is arranged on the rear mold; the front die is connected with a seat plate, an inclined ejection mechanism is arranged in the front die, a spring is arranged on the inclined ejection mechanism, and the bottom end of the inclined ejection mechanism is in contact fit with a product. When the front die and the rear die are in a die closing state, the seat plate compresses the spring, so that the spring stores certain elastic potential energy; when the mold is opened, the front mold and the rear mold are away from each other, and the spring releases the elastic potential energy of the spring, so that the product at the bottom end is ejected by the inclined ejection mechanism. The compression spring drives the inclined ejection mechanism to move, so that a product is ejected, and the problems of template thickening and cost increase caused by overlong ejection stroke of the inclined ejection of the front mold in the prior art are solved.

Description

Take die structure of front mould lifter ejection mechanism

Technical Field

The utility model relates to the technical field of mold design, in particular to a mold structure with a front mold inclined ejection mechanism.

Background

Some plastic products need use the mould structure that the front mould pushes up to one side when the die sinking, the structure that conventional front mould pushed up to one side is just to increase a set of thimble board at the front mould, through the spring, hydro-cylinder or some mechanism drive thimble board drive the ejecting of front mould oblique top, the drawback of design just so is that the front mould needs the thickening to place the thimble board a lot of, if the ejecting stroke of front mould oblique top is very long again, whole mould thickness can increase a lot like this, if the cold runner of adoption, the runner can be followed the extension, extravagant plastic material, increase the template cost. Therefore, the prior art has the problems that the ejection stroke of the front mold inclined top is too long, and the cost of the template is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die structure with a front die lifter ejection mechanism, which aims to solve the problems of overlong ejection stroke and higher template cost of the existing front die lifter.

The technical scheme for solving the technical problems is as follows:

the utility model provides a take die structure of front mould lifter ejection mechanism, includes: a front mold and a rear mold which are matched;

the front mould is provided with a front mould insert, and the rear mould is provided with a rear mould insert matched with the front mould insert;

the end face, far away from the rear die, of the front die is connected with a base plate, an inclined ejection mechanism is arranged in the front die in a sliding mode, a spring abutted to the base plate is arranged at the top end of the inclined ejection mechanism, a cavity for forming a product is formed among the inclined ejection mechanism, the front die insert and the rear female die insert, and the bottom end of the inclined ejection mechanism is in contact fit with the product in the cavity.

According to the utility model, the inclined ejection mechanism is arranged in the front die in a sliding manner, and when the front die and the rear die are in a die closing state, the seat plate compresses the spring, so that the spring stores certain elastic potential energy; when the mold is separated, the front mold and the rear mold are away from each other, and the spring releases the elastic potential energy of the spring, so that the product at the bottom end is ejected by the inclined ejection mechanism. The compression spring drives the inclined ejection mechanism to move, so that a product is ejected, and the problems of template thickening and cost increase caused by overlong ejection stroke of the inclined ejection of the front mold in the prior art are solved.

Further, the lifter ejection mechanism includes: the two guide rods are respectively in sliding fit with the front mould, and the front mould lifter is connected between the two guide rods; the spring runs through the top that sets up at the guide bar, and the bottom and the product contact of front mould oblique top.

When the spring extends, the guide rod is extruded, so that the guide rod slides, the middle front mold is driven to move in an inclined manner, and a product at the bottom end is ejected.

Further, the guide bar is L-shaped, and includes: the first section in sliding fit with the front mould and the second section connected with the inclined top of the front mould are obliquely arranged, and the second section is horizontally arranged and close to each other.

The first section of the utility model is obliquely arranged and can be in sliding fit with the front mould; the second section is horizontally arranged and close to each other, so that the front mold in the middle is conveniently driven to move obliquely.

Furthermore, a guide groove is formed in the end face, close to the front die inclined top, of the second section of the guide rod, and a guide pin matched with the guide groove penetrates through the top of the front die inclined top.

The front die inclined top can move along with the guide rod by arranging the guide pin and the guide groove which are matched with each other.

Furthermore, a clamping groove is formed in the seat plate, and a clamping pin matched with the clamping groove is arranged at the top end of the guide rod.

The utility model is convenient for the seat board to compress the spring by arranging the matched bayonet lock and the bayonet slot.

Furthermore, the outer sides of the front die and the rear die are respectively connected with a hanging ring.

The front die and the rear die can be moved flexibly by arranging the lifting ring.

The utility model has the following beneficial effects:

Drawings

FIG. 1 is a front cross-sectional view of a mold structure with a front mold lifter ejection mechanism according to the present invention;

FIG. 2 is a side cross-sectional view of a mold structure with a front mold lifter ejection mechanism according to the present invention;

FIG. 3 is a schematic view of the position of the lifter ejector mechanism and the seat plate of the present invention;

FIG. 4 is a schematic diagram of a protocol ejection mechanism according to the present invention.

In the figure: 10-front mould; 11-a front mold insert; 20-back mould; 21-a rear mold insert; 22-a hoisting ring; 30-products; 40-a seat board; 41-card slot; 50-a pitched roof ejection mechanism; 51-a spring; 52-a guide bar; 53-front mould inclined top; 54-first section; 55-a second segment; 56-guide groove; 57-a guide pin; 58-Bayonet.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

Examples

Referring to fig. 1, a mold structure with a front mold lifter ejection mechanism includes: the front die 10 and the rear die 20 are matched, and a seat plate 40 is further connected to the end face, away from the rear die 20, of the front die 10.

Referring to fig. 1 and 2, a front mold insert 11 is provided on a surface of the front mold 10 that is matched with the rear mold 20, and a rear mold insert 21 is provided on the rear mold 20 at a corresponding position.

Referring to fig. 3 and 4, a lifter ejection mechanism 50 is slidably provided inside the front mold 10, a cavity for molding the product 30 is formed between the lifter ejection mechanism 50 and the front mold insert 11 and the rear mold insert 21, and the product 30 may be formed by injection molding. The top end of the pitched roof ejecting mechanism 50 is provided with a spring 51 which is abutted with the seat plate 40, and the bottom end of the pitched roof ejecting mechanism 50 is contacted and matched with the product 30. The lifter ejection mechanism 50 includes: the two springs 51 are also two, the two springs 51 are respectively arranged at the top ends of the guide rods 52 in a penetrating manner, and the bottom end of the front mold inclined top 53 is contacted with the product 30. When the mold is closed, the seat plate 40 compresses the spring 51, and the spring 51 stores a certain elastic potential energy. When the front mold 10 and the rear mold 20 are separated from each other, the spring 51 releases the elastic potential energy stored therein, so that the guide rod 52 moves inside the front mold 10 toward the rear mold 20. Meanwhile, the middle front mold lifter 53 is driven to move, the product 30 is extruded through the front mold lifter 53, so that the product 30 is ejected out of the front mold insert 11, and the back-off on the front mold lifter 53 is separated from the product 30. Compared with the prior art, the ejection stroke of the inclined ejection mechanism 50 is shorter, so that a template is not required to be thickened, and the cost of the die is saved.

The guide rods 52 are L-shaped, and comprise a first section 54 sliding with the front mould 10 and a second section 55 connected with the front mould inclined top 53, wherein the first section 54 and the front mould inclined top 53 are obliquely arranged, the second section 55 is horizontally arranged, and the second sections 55 on the two guide rods 52 are close to each other. The end surfaces of the second sections 55 of the two guide rods 52 close to the front mold lifter 53 are provided with guide grooves 56, the top of the front mold lifter 53 is horizontally provided with guide pins 57 in a penetrating manner, and the guide pins 57 are in contact with the guide grooves 56, so that the guide rods 52 can drive the front mold lifter 53 to move simultaneously when moving. The outer sides of the front mold 10 and the rear mold 20 are respectively connected with a hanging ring 22, and the front mold 10 and the rear mold 20 can be moved flexibly by arranging the hanging rings 22.

Referring to fig. 1 and 3, a clamping groove 41 is formed in one surface, close to the front mold 10, of the seat plate 40, a clamping pin 58 matched with the clamping groove 41 is further arranged at the top end of the guide rod 52, the clamping pin 58 is clamped with the clamping groove 41, and the seat plate 40 is convenient to abut against the top end of the spring 51 better.

The operation process of the utility model is as follows: (1) when the mold is closed, the seat plate 40 abuts against the spring 51 and compresses the spring 51; (2) when the mold is separated, the front mold 10 and the rear mold 20 are far away from each other; (3) the spring 51 releases potential energy at the same time, and the extrusion guide rod 52 moves towards the direction close to the rear die 20; (4) when the guide rod 52 moves, the middle front mold inclined top 53 is driven to move in the same direction; (5) the bottom end of the front mold lifter 53 pushes the product 30 out of the front mold insert 11, releasing the front mold lifter 53 from the product 30.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a take die structure of front mould lifter ejection mechanism which characterized in that includes: a front mold (10) and a rear mold (20) which are matched;

a front mold insert (11) is arranged on the front mold (10), and a rear mold insert (21) matched with the front mold insert (11) is arranged on the rear mold (20);

the end face, far away from the rear die (20), of the front die (10) is connected with a seat plate (40), an inclined ejection mechanism (50) is arranged in the front die (10) in a sliding mode, a spring (51) abutted to the seat plate (40) is arranged at the top end of the inclined ejection mechanism (50), a cavity used for forming a product (30) is formed between the inclined ejection mechanism (50) and the front die insert (11) and between the rear die insert (21), and the bottom end of the inclined ejection mechanism (50) is in contact fit with the product (30).

2. The mold structure with front mold lifter ejection mechanism according to claim 1, wherein the lifter ejection mechanism (50) comprises: two guide rods (52) which are respectively matched with the front mould (10) in a sliding way and a front mould inclined top (53) connected between the two guide rods (52); the spring (51) is arranged at the top end of the guide rod (52) in a penetrating mode, and the bottom end of the front die inclined top (53) is in contact with the product (30).

3. The mold structure with front mold lifter ejection mechanism according to claim 2, wherein the guide bar (52) is L-shaped and comprises: a first section (54) matched with the front mould (10) in a sliding way and a second section (55) connected with the front mould inclined top (53), wherein the first section (54) is arranged obliquely, and the second section (55) is horizontally arranged and close to each other.

4. The mold structure with the front mold lifter ejection mechanism according to claim 3, wherein a guide groove (56) is formed in an end surface, close to the front mold lifter (53), of the second section (55) of the guide rod (52), and a guide pin (57) matched with the guide groove (56) penetrates through the top of the front mold lifter (53).

5. The mold structure with the front mold lifter ejection mechanism according to claim 2, wherein a clamping groove (41) is formed in the seat plate (40), and a clamping pin (58) matched with the clamping groove (41) is arranged at the top end of the guide rod (52).

6. The mold structure with the front mold inclined top ejection mechanism according to any one of claims 1 to 5, characterized in that the outer sides of the front mold (10) and the rear mold (20) are respectively connected with a lifting ring (22).