CN215943565U

CN215943565U - Injection molding die for lengthened oblique tongue

Info

Publication number: CN215943565U
Application number: CN202122430917.3U
Authority: CN
Inventors: 高立凯; 王瑞
Original assignee: Shijiazhuang Hongju Metallurgical Science And Technology Co ltd
Current assignee: Shijiazhuang Hongju Metallurgical Science And Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-04
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to an injection molding die with a lengthened latch bolt, which comprises a base and two guide plates which are fixed on the upper part of the base and are vertical to the base, when in use, whether foreign matters exist in an upper die and a lower die is checked, after the correct operation is confirmed, a telescopic sliding mechanism works to drive the upper die to move towards the lower die, in the later section of the movement of the upper die, a follow-up ejection mechanism drives a top plate to move towards a deep groove, when the upper die and the lower die are combined, the top plate just moves into the deep groove, then glue stock is injected into the upper die and the lower die through an injection port at the top of the upper die, after the glue stock is cooled and molded, the telescopic sliding mechanism works reversely to drive the upper die to move upwards away from the lower die, in the previous section of the movement of the upper die, the follow-up ejection mechanism drives the top plate to move upwards until the top plate returns to the initial position, thereby supporting the product in the lower mold.

Description

Injection molding die for lengthened oblique tongue

Technical Field

The utility model relates to the related technical field of dies, in particular to an injection molding die with a lengthened oblique tongue.

Background

An injection mold is an apparatus configured to manufacture an injection molded product having a shape corresponding to a shape of a cavity into which a molten resin is injected, and in order to improve production efficiency of a product, a mold is generally provided with a device for ejecting the product.

The existing mold is usually operated manually by a processing worker when ejecting a product, and the product is ejected by the elasticity of the spring, so that the spring has a plurality of uncontrollable factors, and the product cannot be ejected smoothly after long-term use, and the ideal practical effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection molding die with an elongated latch bolt to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the lengthened oblique tongue injection molding mold comprises a base, two guide plates and an upper mold, wherein the two guide plates are fixed on the upper part of the base and are perpendicular to the base;

the lower die is movably provided with a top plate through a follow-up ejection mechanism, the bottom wall of the lower die is provided with a deep groove matched with the top plate, and the follow-up ejection mechanism is connected with the telescopic sliding mechanism and used for driving the top plate to move upwards in the process of lifting the upper die so as to support a product in the lower die out and separate from the upper die.

As a further scheme of the utility model: the telescopic sliding mechanism is connected with the follow-up ejection mechanism through a spring;

the telescopic sliding mechanism comprises a pneumatic telescopic assembly arranged on the side part of the base and a driven structure arranged on the guide plate and connected with the upper die;

the driven structure comprises a sliding sleeve, a sliding block is arranged on the guide plate, the end of the sliding block is fixed to the upper die, the bottom of the sliding block is far away from the spring, one end of the base is connected with the bottom of the sliding block, and the pneumatic telescopic assembly is used for driving the sliding block to slide on the guide plate.

As a still further scheme of the utility model: the pneumatic telescopic assembly comprises a fixed plate arranged on the side part of the base and a cylinder arranged on the fixed plate;

the inside of fixed plate is cavity setting, its inside slip be provided with one with the expansion plate that the slider is fixed, just the expansion end of cylinder with the fixed plate is connected.

As a still further scheme of the utility model: the center of the deep groove is also provided with a through groove, and the follow-up ejection mechanism comprises a sleeving structure arranged at the upper part of the base and a connecting structure for connecting one end of the spring close to the base and the sleeving structure;

the nesting structure comprises a sleeve plate vertically fixed on the upper part of the base and a driven plate in sliding nesting with the sleeve plate, and the driven plate penetrates through a through groove in the center of the deep groove and is fixed with the bottom of the top plate.

As a still further scheme of the utility model: the connecting structure comprises a connecting rod which is fixed on the side part of the driven plate and is vertical to the connecting rod and a moving block which is positioned on one side of the guide plate far away from the lower die, the upper part of the moving block is connected with one end of the spring far away from the sliding block, the moving block is fixed with one end of the connecting rod far away from the driven plate, and strip-shaped sliding grooves for the movement of the connecting rod are arranged on two sides of the sleeve plate and the guide plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the device is used, whether foreign matters exist in the upper die and the lower die is checked, after the correct operation is confirmed, the telescopic sliding mechanism works to drive the upper die to move towards the lower die, in the later stroke of the movement of the upper die, the follow-up ejection mechanism drives the top plate to move towards the deep groove, and when the upper die and the lower die are combined, the top plate just moves into the deep groove;

2. and then, injecting a sizing material into the upper die and the lower die through an injection port at the top of the upper die, after the sizing material is cooled and formed, reversely working by the telescopic sliding mechanism, driving the upper die to move upwards away from the lower die, driving the top plate to move upwards by the follow-up ejection mechanism in the previous section of movement of the upper die until the top plate returns to the initial position, and then ejecting the product in the lower die.

Drawings

FIG. 1 is a schematic structural view of one embodiment of an extended ramp injection mold.

FIG. 2 is a schematic view of an alternate angle of an extended ramp injection mold according to one embodiment.

FIG. 3 is a schematic view showing a connection state of a lower mold and a guide plate in an embodiment of an elongated flapper injection molding mold.

FIG. 4 is a schematic view showing the connection of the race plate, the driven plate, and the top plate in one embodiment of the extended ramp injection mold.

In the figure: 1-a base; 2-a guide plate; 3, molding the die; 4-lower mould; 5-deep groove; 6-a top plate; 7-fixing the plate; 8-a telescopic plate; 9-a cylinder; 10-a slide block; 11-a spring; 12-a deck; 13-a driven plate; 14-a connecting rod; 15-a moving block; 16-an injection port; 17-strip-shaped sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in an embodiment of the present invention, an injection mold for an elongated latch bolt includes a base 1, and two guide plates 2 fixed on an upper portion of the base 1 and perpendicular to the base 1, and further includes:

the upper die 3 is movably arranged between the two guide plates 2 through two groups of telescopic sliding mechanisms, a lower die 4 which is positioned right below the upper die 3 is fixed between the two guide plates 2, and the telescopic sliding mechanisms are used for driving the upper die 3 to do linear motion in the vertical direction so as to enable the upper die 3 to be combined with or separated from the lower die 4;

the top plate 6 is movably arranged in the lower die 4 through a follow-up ejection mechanism, a deep groove 5 matched with the top plate 6 is formed in the bottom wall of the lower die 4, and the follow-up ejection mechanism is connected with the telescopic sliding mechanism and used for driving the top plate 6 to move upwards in the lifting process of the upper die 3 so as to support out a product in the lower die 4 and separate from the upper die 3.

It should be added that the top of the upper mold 3 is further provided with an injection port 16 for injecting glue between the upper mold 3 and the lower mold 4 after the two are combined.

In the embodiment of the utility model, when the device is used, whether foreign matters exist in the upper die 3 and the lower die 4 is checked firstly, after the correct operation is confirmed, the telescopic sliding mechanism works to drive the upper die 3 to move towards the lower die 4, in the later stroke of the movement of the upper die 3, the follow-up ejection mechanism drives the top plate 6 to move towards the deep groove 5, and when the upper die 3 is combined with the lower die 4, the top plate 6 just moves into the deep groove 5;

then, glue stock is injected into the upper die 3 and the lower die 4 through an injection port 16 at the top of the upper die 3, after the glue stock is cooled and formed, the telescopic sliding mechanism works reversely to drive the upper die 3 to move upwards away from the lower die 4, and in the previous stroke of the movement of the upper die 3, the follow-up ejection mechanism drives the top plate 6 to move upwards until the top plate 6 returns to the initial position, so that a product in the lower die 4 is lifted out, and in the process, the top plate 6, the product and the upper die 3 move synchronously;

after the product is supported out, the telescopic sliding mechanism continues to drive the upper die 3 to finish a later stroke until the upper die 3 is restored to the initial position and is separated from the product;

in conclusion, the mold is convenient to use, has an effective automatic product demolding function, brings convenience to product production on one hand, and greatly improves production efficiency on the other hand;

in addition, it should be noted that, for the specific internal structures of the upper die 3 and the lower die 4, the present application is not limited to this specific structure, and may be selected according to actual production requirements.

As an embodiment of the present invention, the telescopic sliding mechanism and the following ejection mechanism are connected by a spring 11, the spring 11 is in a natural state when the top plate 6 lifts the product out, and the spring 11 is stretched when the upper die 3 is separated from the product;

the telescopic sliding mechanism comprises a pneumatic telescopic assembly arranged on the side part of the base 1 and a driven structure which is arranged on the guide plate 2 and connected with the upper die 3;

the driven structure comprises a sliding sleeve, a sliding block 10 arranged on the guide plate 2 is sleeved with the sliding block 10, the end portion of the sliding block 10 is fixed to the upper die 3, the bottom of the sliding block is far away from the spring 11, one end of the base 1 is connected with the pneumatic telescopic assembly, and the pneumatic telescopic assembly is used for driving the sliding block 10 to slide on the guide plate 2.

In the embodiment of the utility model, when the pneumatic telescopic assembly works in the forward direction, the driving slide block 10 slides downwards on the guide plate 2, so that the upper die 3 moves downwards along with the slide block 10, otherwise, when the pneumatic telescopic mechanism works in the reverse direction, the upper die 3 moves upwards along with the slide block 10, so that the normal ascending and descending of the upper die 3 are realized, and the upper die 3 is ensured to be accurately butted with the lower die 4;

in the process that the upper die 3 is separated from the product, the sliding block 10 stretches the spring 11.

As an embodiment of the present invention, the pneumatic telescoping assembly includes a fixed plate 7 disposed on a side of the base 1 and a cylinder 9 mounted on the fixed plate 7;

the fixed plate 7 is hollow, an expansion plate 8 fixed with the sliding block 10 is arranged in the fixed plate 7 in a sliding mode, and the movable end of the air cylinder 9 is connected with the fixed plate 7.

In the embodiment of the present invention, when the cylinder 9 extends, the expansion plate 9 slides towards the outside of the fixed plate 7, and at the same time, the slider 10 and the upper mold 3 are driven to move upwards, whereas when the cylinder 9 contracts, the slider 10 and the upper mold move downwards.

The fixing plate 7 is fixedly mounted on the base 1 through bolts, of course, other mounting modes can be adopted, and in addition, the air cylinder 9 can be replaced by an electric telescopic rod or a hydraulic cylinder;

in detail, a cylinder and a protruding plate are respectively fixed on two sides of the telescopic rod 8, the cylinder is fixedly connected with the sliding block 10, and the protruding plate is fixed with the movable end of the cylinder 9.

As an embodiment of the present invention, a through groove is further formed in the center of the deep groove 5, and the follow-up ejection mechanism includes a nesting structure installed on the upper portion of the base 1, and a connecting structure connecting one end of the spring 11 close to the base 1 and the nesting structure;

the sheathing structure is connected with the top plate 6 through the through groove and is used for driving the top plate 6 to ascend or descend;

the nesting structure comprises a sleeve plate 12 vertically fixed on the upper part of the base 1 and a driven plate 13 in sliding nesting with the sleeve plate 12, and the driven plate 13 penetrates through a through groove in the center of the deep groove 5 and is fixed with the bottom of the top plate 6.

In the embodiment of the utility model, in the latter stroke of the downward movement of the upper die 3, the connecting structure drives the driven plate 13 to slide towards the inner part of the sleeve plate 12, until the upper die 3 is combined with the lower die 4, the top plate 6 moves downwards into the deep groove 5, and conversely, in the former stroke of the upward movement of the upper die 3, the driven plate 13 slides towards the outer part of the sleeve plate 12, and the top plate 6 moves upwards to lift the product out.

As an embodiment of the present invention, the connecting structure includes a connecting rod 14 fixed on the side of the driven plate 13 and perpendicular thereto, and a moving block 15 on the side of the guide plate 2 away from the lower die 4, an upper portion of the moving block 15 being connected to one end of the spring 11 away from the slider 10;

the moving block 15 and one end of the connecting rod 14 far from the driven plate 13 are fixed, and strip-shaped sliding grooves 17 for the connecting rod 14 to move are arranged on two sides of the sleeve plate 12 and the guide plate 2.

In the embodiment of the utility model, in the latter stroke of the downward movement of the upper die 3, the spring 11 is in a natural state, the slider 10 drives the moving block 15 to move downward through the spring 11, the moving block 15 drives the driven plate 13 to slide toward the inside of the sleeve plate 12 through the connecting rod 14, and the top plate 6 moves downward into the deep groove 5 until the upper die 3 and the lower die 4 are combined;

in the previous stroke of the upward movement of the upper mold 3, the connecting rod 14 moves upward in the strip-shaped chute 17, so that the top plate 6 lifts the product out of the lower mold 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a extension latch bolt injection moulding mould, extension latch bolt injection moulding mould includes base (1) and fixes upper portion of base (1) and two deflector (2) perpendicular thereto, its characterized in that still includes:

the upper die (3) is movably arranged between the two guide plates (2) through two groups of telescopic sliding mechanisms, a lower die (4) which is positioned right below the upper die (3) is fixed between the two guide plates (2), and the telescopic sliding mechanisms are used for driving the upper die (3) to do linear motion in the vertical direction so as to combine or separate the upper die (3) and the lower die (4);

roof (6), roof (6) set up through follow-up ejection mechanism activity in lower mould (4), set up on the diapire of lower mould (4) one with deep trouth (5) of roof (6) adaptation, follow-up ejection mechanism with flexible slide mechanism connects, is used for go up mould (3) and rise the in-process and drive roof (6) move up, in order to be in product in lower mould (4) holds in the palm and with go up mould (3) and break away from.

2. An injection mould with an elongated oblique tongue as claimed in claim 1, characterized in that said telescopic sliding mechanism and said following ejection mechanism are connected by a spring (11), said spring (11) being in a natural state during the process of ejecting the product from said top plate (6), and said spring (11) being stretched during the process of disengaging said upper mould (3) from the product.

3. An elongated ramp injection mould according to claim 2, characterised in that the telescopic slide mechanism comprises a pneumatic telescopic assembly mounted on the side of the base (1) and a driven structure provided on the guide plate (2) and connected to the upper mould (3);

the driven structure comprises a sliding block (10) which is arranged on the guide plate (2) in a sleeved mode, the end portion of the sliding block (10) is fixed to the upper die (3), the bottom of the sliding block is far away from the spring (11) and connected with one end of the base (1), and the pneumatic telescopic assembly is used for driving the sliding block (10) to slide on the guide plate (2).

4. An elongated ramp injection mould according to claim 3, characterised in that the pneumatic telescopic assembly comprises a fixed plate (7) arranged on the side of the base (1) and a cylinder (9) mounted on the fixed plate (7);

the inside of fixed plate (7) is the cavity setting, its inside slip be provided with slider (10) fixed expansion plate (8), just the expansion end of cylinder (9) with fixed plate (7) are connected.

5. The mold for injection molding of an elongated oblique tongue as claimed in claim 3, wherein a through groove is further formed in the center of the deep groove (5), and the follow-up ejection mechanism comprises a nesting structure mounted on the upper portion of the base (1) and a connecting structure connecting one end of the spring (11) close to the base (1) and the nesting structure.

6. The mold for injection molding of an elongated oblique tongue as claimed in claim 5, wherein the nesting structure comprises a sleeve plate (12) vertically fixed on the upper portion of the base (1) and a driven plate (13) slidably nested with the sleeve plate (12), the driven plate (13) is fixed with the bottom of the top plate (6) through a through groove at the center of the deep groove (5).

7. The injection mold for the elongated oblique tongue as claimed in claim 6, wherein said connecting structure comprises a connecting rod (14) fixed on the side of said driven plate (13) and perpendicular thereto, and a moving block (15) on the side of said guide plate (2) away from said lower mold (4), the upper portion of said moving block (15) being connected to the end of said spring (11) away from said slide (10);

the moving block (15) and one end, far away from the driven plate (13), of the connecting rod (14) are fixed, and strip-shaped sliding grooves (17) for the connecting rod (14) to move are formed in the two sides of the sleeve plate (12) and the two sides of the guide plate (2).