CN214773636U

CN214773636U - Rear mould structure and internal parting mould

Info

Publication number: CN214773636U
Application number: CN202120487269.2U
Authority: CN
Inventors: 吕伟; 尹覃伟; 贾宇霖
Original assignee: Shenzhen Silver Basis Technology Co Ltd
Current assignee: Shenzhen Silver Basis Technology Co Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-11-19
Anticipated expiration: 2031-03-05

Abstract

A rear mould structure and an internal parting mould comprise a rear mould bottom plate, a rear mould plate, an inclined top, a straight top and a first telescopic cylinder, wherein the rear mould plate is connected with the rear mould bottom plate, the straight top is matched with the rear mould plate in a sliding manner in a mould opening and closing direction, the inclined top is matched with the straight top in a sliding manner in a first direction, the inclined top is connected with the rear mould plate through the first telescopic cylinder, and the first telescopic cylinder is used for stretching in a second direction to drive the inclined top to move relative to the rear mould plate along the second direction, so that the straight top is driven to slide relative to the inclined top in the mould opening and closing direction and the first direction; any two directions of the first direction, the second direction and the mold opening and closing direction form an included angle. Simple and reasonable structure, small volume and low cost.

Description

Rear mould structure and internal parting mould

Technical Field

The utility model relates to a mould field particularly, relates to a back mould structure and interior division mould.

Background

Some parts on automobiles, such as plastic bumpers, are required to satisfy strength, rigidity, and decorative requirements. From the aspect of safety, the automobile can play a role in buffering when a collision accident occurs, and front and rear automobile bodies are protected; from the appearance, the decorative car can be naturally combined with the car body into a whole, has good decoration, and becomes an important part for decorating the appearance of the car. The bumper is generally formed by injection molding, and an inner parting mold or an outer parting mold can be selected for injection molding.

The inventor researches and discovers that the existing injection mold for forming the bumper has the following defects:

the volume is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back mould structure and interior type mould, it can reduce the whole volume of mould, and occupation space is little, saves space resources.

The embodiment of the utility model is realized like this:

in a first aspect, the utility model provides a rear mold structure, include:

the rear mould base plate is connected with the rear mould base plate, the straight top and the rear mould plate are matched in a sliding mode in the mould opening and closing direction, the inclined top and the straight top are matched in a sliding mode in the first direction, the inclined top is connected with the rear mould plate through the first telescopic cylinder, and the first telescopic cylinder is used for stretching in the second direction to drive the inclined top to move relative to the rear mould plate along the second direction, so that the straight top is driven to slide relative to the inclined top in the mould opening and closing direction and the first direction;

any two directions of the first direction, the second direction and the die opening and closing direction form an included angle.

In an alternative embodiment, the rear template is provided with a fitting groove extending in the second direction, and the first telescopic cylinder is provided in the fitting groove.

In an alternative embodiment, the slanted ejecting part is provided with a guide member, and the straight ejecting part is provided with a guide groove extending along the first direction, and the guide member is slidably engaged with the guide groove along the first direction.

In an alternative embodiment, the pentroof is provided with a mounting groove, and a part of the guide member is embedded in the mounting groove.

In an alternative embodiment, the guide is removably connected to the lifter.

In an optional embodiment, the rear template is provided with a guide pillar, the straight top is provided with a guide hole, the guide pillar is inserted into the guide hole, and the guide pillar and the guide hole are matched in a sliding manner in the mold opening and closing direction.

In an optional embodiment, the rear mold structure further comprises an ejector plate, and the ejector plate is arranged on one side of the rear mold plate, which is away from the rear mold base plate, and is slidably matched with the rear mold plate in the mold opening and closing direction.

In an optional embodiment, the rear mold structure further comprises a second telescopic cylinder, and the second telescopic cylinder is arranged on the rear mold base plate and connected with the ejector plate and used for driving the ejector plate to move along the mold opening and closing direction.

In an alternative embodiment, at least one of the first and second telescopic cylinders is provided as a ram or cylinder.

In a second aspect, the present invention provides an internal division mold, which comprises:

the posterior mold structure of any of the preceding embodiments.

The embodiment of the utility model provides a beneficial effect is:

to sum up, this embodiment provides a back mould structure, pushes up and directly pushes up the linkage to one side, and pushes up through the drive of first telescoping cylinder to one side, and first telescoping cylinder can stretch out and draw back in the second direction that has the contained angle with the mould direction that opens and shuts to drive the oblique top and move in the second direction, and drive and directly push up and move in first direction and the mould direction that opens and shuts simultaneously. Because the first telescopic cylinder directly stretches and retracts in the second direction and drives the inclined ejector to move, namely the first telescopic cylinder is directly obliquely arranged, the transverse space and the longitudinal space on the rear template can be reasonably utilized, an ejector plate does not need to be arranged on a rear template to drive the inclined ejector and the straight ejector to move, the structure of the die is simplified, the height of the rear template structure in the die opening and closing direction is reduced, the size of the rear template structure is reduced, and the size of the integral die is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a rear mold structure according to an embodiment of the present invention;

FIG. 2 is a partially enlarged schematic view of FIG. 1;

fig. 3 is a partial structural schematic view of a rear mold structure according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structural view of a rear mold structure according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the rear mold plate according to an embodiment of the present invention.

Icon:

001-rear mold structure; 100-rear mold base plate; 200-rear template; 210-a mounting slot; 220-mounting holes; 230-guide posts; 240-grooves; 300-pitched roof; 310-a mounting groove; 320-a guide; 400-straight top; 410-a guide hole; 420-a guide groove; 500-a first telescoping cylinder; 600-an ejector plate; 610-a mandril; 620-top block; 700-second telescoping cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The ejector pin is multifunctional, and is driven by an ejector pin plate to push out products by a straight ejector pin and an inclined ejector pin, and the ejector pin and the ejector block are respectively driven by two oil cylinders which respectively drive an upper ejector pin plate and a lower ejector pin plate to move. Because two action requirements of the back-off structure and the product ejection are met, the operation space required by the ejector plate in the mold opening and closing direction of the mold is large, the stroke is long, the thickness of the mold is thick, and the size of the mold is increased.

Referring to fig. 1 to 5, in view of this, a designer designs a rear mold structure 001, which can reduce the thickness of the rear mold structure 001 in the mold opening and closing direction, thereby reducing the mold volume and the mold cost.

In this embodiment, the rear mold structure 001 includes a rear mold base plate 100, a rear mold plate 200, an inclined top 300, a straight top 400 and a first telescopic cylinder 500, the rear mold plate 200 is connected to the rear mold base plate 100, the straight top 400 is slidably fitted to the rear mold plate 200 in a mold opening and closing direction, the inclined top 300 is slidably fitted to the straight top 400 in a first direction, the inclined top 300 is connected to the rear mold plate 200 through the first telescopic cylinder 500, and the first telescopic cylinder 500 is used for extending and retracting in a second direction to drive the inclined top 300 to move relative to the rear mold plate 200 in the second direction, so as to drive the straight top 400 to slide in the mold opening and closing direction and in the first direction at the same time;

In the present embodiment, the first direction is perpendicular to a plane defined by both the mold opening and closing direction and the second direction.

In this embodiment, the lifter 300 and the straight lifter 400 are linked, and the lifter 300 is driven by the first telescopic cylinder 500, and the first telescopic cylinder 500 can be telescopic in the second direction having an included angle with the mold opening and closing direction, so as to drive the lifter 300 to move in the second direction and drive the straight lifter 400 to move in the first direction and the mold opening and closing direction simultaneously. Because first telescoping cylinder 500 directly stretches and contracts in the second direction and drives the motion of lifter 300, also the direct slant of first telescoping cylinder 500 is laid, can rationally utilize horizontal and vertical space on the back template 200, need not set up ejector plate 600 on the back die bottom plate 100 and drive lifter 300 and straight top 400 motion, simplify the mould structure to reduce the height of back mould structure 001 on the mould direction that opens and shuts, reduce the volume of back mould structure 001, reduce the volume of whole mould.

In this embodiment, optionally, the rear mold plate 200 may be directly fixed to one surface of the rear mold base plate 100 by screws, so that there is no need to provide mold legs between the rear mold plate 200 and the rear mold base plate 100, and the thickness of the rear mold structure 001 in the mold opening and closing direction is further reduced, thereby reducing the mold volume.

Further, the rear mold plate 200 is provided with assembly grooves 210, the number of the assembly grooves 210 is equal to that of the first telescopic cylinders 500, each first telescopic cylinder 500 is inserted into one assembly groove 210, and the cylinder body of the first telescopic cylinder 500 abuts against the rear mold base plate 100. By providing the assembling groove 210, it is convenient to determine the position of the first telescopic cylinder 500, and it is also possible to provide an assembling space for the first telescopic cylinder 500, thereby reducing the space required by the first telescopic cylinder 500 in the mold opening and closing direction.

It should be understood that the shape of the fitting groove 210 may match the shape of the cylinder body of the first telescopic cylinder 500, for example, the fitting groove 210 may be a square hole, a circular hole, or the like.

Further, a groove 240 is formed in one surface of the rear mold plate 200, which faces away from the rear mold base plate 100, an ejector plate 600 is placed in the groove 240, an ejector rod 610 is mounted on the ejector plate 600, an ejector block 620 is mounted at the end of the ejector rod 610, and the ejector block 620 is embedded in the straight top 400 and used for ejecting a molded product away from the straight top 400. Mounting holes 220 penetrating through the rear mold plate 200 are formed in the bottom wall of the groove 240, and the number of the mounting holes 220 is set as required, for example, in the present embodiment, four mounting holes 220 may be formed. A guide post 230 is inserted into each mounting hole 220, the guide post 230 is a cylindrical rod, and an end of the guide post 230 abuts against the rear mold base plate 100 and is fixedly connected with the rear mold base plate 100. The guide posts 230 each extend out of the corresponding mounting hole 220.

The ejector plate 600 is arranged in the rear template 200, so that the space of the rear template 200 in the mold opening and closing direction is reasonably utilized, the thickness of the rear mold structure 001 is further reduced, and the size of the whole mold structure is reduced.

Optionally, a second telescopic cylinder 700 is arranged on the rear mold plate 200, and the second telescopic cylinder 700 is connected with the ejector plate 600 and used for driving the ejector plate 600 to reciprocate in the mold opening and closing direction.

It should be noted that both the first telescopic cylinder 500 and the second telescopic cylinder 700 may be air cylinders or oil cylinders.

In this embodiment, optionally, a mounting groove 310 is formed on the lifter 300, a guide 320 is mounted in the mounting groove 310, the guide 320 is a "T" shaped member, and a vertical portion of the guide 320 is inserted into the mounting groove 310 and is fixedly connected to the lifter 300 by a screw. The horizontal part of the guiding member 320 extends out of the notch of the mounting groove 310, and the side of the horizontal part connected with the vertical part is abutted against the plane of the notch of the mounting groove 310.

In this embodiment, optionally, the straight top 400 is provided with a guide groove 420 and a guide hole 410, the guide groove 420 extends along the first direction, and the transverse portion of the guide member 320 is inserted into the guide groove 420 and slidably engaged with the straight top 400 in the extending direction of the guide groove 420. The guide holes 410 extend along the mold opening and closing direction, the number of the guide holes 410 is equal to the number of the guide posts 230, each guide post 230 is inserted into the corresponding guide hole 410, and the shape and the size of the guide holes 410 are matched with the corresponding guide posts 230. The straight top 400 can slide back and forth only in the mold opening and closing direction by the cooperation of the guide post 230 and the guide hole 410.

The back mould structure 001 that this embodiment provided, when the mould die sinking, drive the oblique top 300 through first telescoping cylinder 500 and move along the second direction, locate that guide 320 on the oblique top 300 slides in the guide slot 420 on the straight top 400 and drive the straight top 400 along the modular direction motion that opens and shuts simultaneously, realized also that the straight top 400 slides for the oblique top 300 in the modular direction that opens and shuts and the first direction simultaneously, the structure of back-off can be accomplished to the oblique top 300 and the straight top 400. Then, the ejector plate 600 is driven to move through the second telescopic cylinder 700, so that the ejector block 620 is driven to jack up the product, and discharging is facilitated.

The rear mold structure 001 provided by the embodiment reduces the height of the rear mold structure 001 in the mold opening and closing direction and the size by changing the action modes of the inclined ejector 300, the straight ejector 400 and the ejector block 620 and adjusting the position of the ejector plate 600, thereby reducing the size of the mold.

The present embodiment further provides an internal parting mold, which includes the rear mold structure 001 mentioned in the above embodiments, and obviously, the internal parting mold further includes basic structures of existing molds, such as a front mold structure, a press, a pouring system, a cooling system, etc., which are not illustrated in the present embodiment.

The interior parting mould that this embodiment provided, simple structure is reasonable, and is small, with low costs.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A posterior mold structure, comprising:

the die comprises a rear die bottom plate, a rear die plate, an inclined top, a straight top and a first telescopic cylinder, wherein the rear die plate is connected with the rear die bottom plate, the straight top is slidably matched with the rear die plate in the die opening and closing direction, the inclined top is slidably matched with the straight top in the first direction, the inclined top is connected with the rear die plate through the first telescopic cylinder, and the first telescopic cylinder is used for stretching in the second direction to drive the inclined top to move relative to the rear die plate along the second direction, so that the straight top is driven to slide relative to the inclined top in the die opening and closing direction and the first direction simultaneously;

any two directions of the first direction, the second direction and the mold opening and closing direction form an included angle.

2. The rear mold structure according to claim 1, wherein:

the rear template is provided with an assembly groove extending along the second direction, and the first telescopic cylinder is arranged in the assembly groove.

3. The rear mold structure according to claim 1, wherein:

the inclined top is provided with a guide piece, the straight top is provided with a guide groove extending along the first direction, and the guide piece and the guide groove are slidably matched along the first direction.

4. The rear mold structure according to claim 3, wherein:

the inclined top is provided with an installation groove, and the part of the guide piece is embedded in the installation groove.

5. The rear mold structure according to claim 3 or 4, wherein:

the guide member is detachably connected with the lifter.

6. The rear mold structure according to claim 1, wherein:

the rear template is provided with a guide post, the straight top is provided with a guide hole, the guide post is inserted in the guide hole and the guide post and the guide hole are matched in the mold opening and closing direction in a sliding way.

7. The rear mold structure according to claim 1, wherein:

the rear die structure further comprises an ejector plate, wherein the ejector plate is arranged on one side, deviating from the rear die base plate, of the rear die plate and is matched with the rear die plate in a sliding mode in the die opening and closing direction.

8. The rear mold structure according to claim 7, wherein:

the rear die structure further comprises a second telescopic cylinder, and the second telescopic cylinder is arranged on the rear die base plate, connected with the ejector plate and used for driving the ejector plate to move along the die opening and closing direction.

9. The rear mold structure according to claim 8, wherein:

at least one of the first telescopic cylinder and the second telescopic cylinder is set to be an oil cylinder or an air cylinder.

10. An internal parting die, characterized in that it comprises:

the rear mold structure of any one of claims 1-9.