CN220720125U

CN220720125U - Cavity-separating die capable of preventing opening and closing offset

Info

Publication number: CN220720125U
Application number: CN202322470206.8U
Authority: CN
Inventors: 雷丙华; 伊国龙
Original assignee: Dongguan Lingyi Precision Mold Co ltd
Current assignee: Dongguan Lingyi Precision Mold Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-05
Anticipated expiration: 2033-09-11

Abstract

The utility model belongs to the technical field of dies, and particularly relates to a split cavity die capable of preventing opening and closing offset, which is characterized in that when in die assembly, an upper guide assembly is inserted into a lower guide assembly to perform alignment, so that offset of a movable die holder and a fixed die holder in the die assembly process can be prevented, collision of dies caused by die assembly dislocation is avoided, the accuracy of the die in manufacturing products is further enhanced, the limit of a die structure is stable, a good guide effect is achieved, and the quality of the products is ensured; during production, the upper cavity forming chamber, the main body forming column and the outer Zhou Chengxing module are jointly enclosed to form a product forming cavity, so that the product is subjected to one-time injection molding, the cost required to be input in product production is greatly reduced, the quality of the product is improved, and efficient automatic production of the product is realized.

Description

Cavity-separating die capable of preventing opening and closing offset

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a cavity-separating mold capable of preventing opening and closing deflection.

Background

The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material.

The mold generally comprises a movable mold and a fixed mold, which are separable and combinable. When the blank is closed, the blank is injected into the die cavity to form, and when the blank is opened, the workpiece is taken out. However, in the existing mold, the operation of opening and closing the mold is performed manually by an operator, so that the mold is easily moved between the actuating mold and the fixed mold in the mold closing process, the position after the mold is closed is not accurate enough, and the production of a product is affected.

Disclosure of Invention

The utility model aims to provide a split cavity type die capable of preventing opening and closing offset, and aims to solve the technical problem that in the prior art, the die clamping process is easy to lead the offset between an actuating die and a fixed die, so that the position after clamping is not accurate enough, and the manufacturing of a product is affected.

In order to achieve the above object, a cavity-separating mold capable of preventing opening and closing offset according to an embodiment of the present utility model includes:

the middle part of the movable die holder is provided with a pouring runner in a penetrating way, and meanwhile, the lower end surface of the movable die holder is provided with an upper cavity forming chamber which is communicated with the pouring runner in an inward concave way and is used for forming the upper end surface of a product;

the upper end surface of the fixed die holder is provided with a lower cavity forming module which is embedded in the upper cavity forming chamber in an outward protruding mode, the lower cavity forming module comprises a main body forming column and an outer Zhou Chengxing module, the main body forming column is arranged on the upper end surface of the fixed die holder, and the outer Zhou Chengxing module is enclosed outside the main body forming column and is used for forming a main body and a lower end surface of a product;

the upper guide components are fixedly arranged at four corners of the movable die holder and extend along the height direction of the movable die holder;

the lower guide assembly is fixedly arranged at four corners of the fixed die holder and extends along the height direction of the fixed die holder;

when the die is assembled, the upper guide assembly is inserted into the lower guide assembly for alignment, and finally the upper cavity forming chamber, the main body forming column and the outer Zhou Chengxing die set are jointly enclosed to form a product forming cavity for forming a product.

Optionally, the peripheral molding module includes:

the front side forming assembly is arranged on the upper end face of the fixed die holder and positioned at the front side of the main body forming column and used for forming the front side periphery of a product;

the rear side forming assembly is arranged on the upper end face of the fixed die holder and positioned at the rear side of the main body forming column and is used for forming the rear side periphery of a product;

the left forming assembly is arranged on the upper end face of the fixed die holder and positioned at the left side of the main body forming column and used for forming the left periphery of a product;

the right side forming assembly is arranged on the upper end face of the fixed die holder and positioned on the right side of the main body forming column and used for forming the right side periphery of a product;

the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly are tightly bonded and enclosed outside the main body forming column.

Optionally, the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly are movably arranged on the upper end surface of the fixed die holder; when the mold is closed, the front side molding assembly, the left side molding assembly, the rear side molding assembly and the right side molding assembly are tightly attached to each other so as to be used for molding a product; when the die is opened, the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly are separated from each other, so that the product can be conveniently removed from the die.

Optionally, the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly are respectively and vertically arranged, and simultaneously, the centers of the front side forming assembly, the main body forming column and the rear side forming assembly are positioned on the same straight line, and the centers of the left side forming assembly, the main body forming column and the right side forming assembly are positioned on the same straight line.

Optionally, the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly have the same structure and all comprise a connecting forming block, an opening and closing driving cylinder and a cylinder mounting seat; the connecting forming block is arranged on the upper end face of the fixed die holder in a sliding manner; the cylinder mounting seat is fixedly mounted on the fixed die holder; the opening and closing driving cylinder is fixedly arranged on the cylinder mounting seat; and meanwhile, an output shaft of the opening and closing driving cylinder is connected with the connecting forming block so as to drive the connecting forming block to slide on the upper end surface of the fixed die holder.

Optionally, the connecting molding block includes:

the outer Zhou Chengxing seat is arranged in a trapezoid structure and is matched with the shape of the upper cavity forming chamber, and meanwhile, the front end face of the outer periphery forming seat is provided with a concave-convex surface for forming the outer periphery of a product;

and the driving connecting seat is fixedly connected to the rear end face of the peripheral forming seat, and meanwhile, the driving connecting seat is connected with an output shaft of the opening and closing driving cylinder.

Optionally, be provided with a plurality of shaping stands that are used for shaping the up end breach of product in the upper chamber shaping is indoor perpendicularly, and a plurality of during the compound die shaping stands are located between the main part shaping post with outer Zhou Chengxing module.

Optionally, the upper guide assembly comprises four guide sleeves fixedly arranged at four corners of the movable die holder, the lower guide assembly comprises four guide posts fixedly arranged at four corners of the fixed die holder, and the guide posts are slidably inserted into the guide sleeves.

The above technical scheme in the cavity-separated mold capable of preventing the opening and closing offset provided by the embodiment of the utility model has at least one of the following technical effects: this can prevent when opening and shutting chamber type mould compound die of skew, peg graft in guide assembly down through last guide assembly and put in the position, can prevent that movable mould seat and die holder from taking place the skew at the compound die in-process, avoid the die collision that the compound die dislocation caused from this, and then the precision when having strengthened the mould preparation product to make the spacing firm of mould structure plays good guide effect, guarantees the quality of product. When the split cavity type die capable of preventing the opening and closing offset is used for production, a product forming cavity is formed by jointly enclosing an upper cavity forming chamber, a main body forming column and an outer Zhou Chengxing die set, so that the product is subjected to one-time injection molding, the cost required to be input for product production is greatly reduced, the quality of the product is improved, and efficient automatic production of the product is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a split cavity mold capable of preventing opening and closing offset;

FIG. 2 is a cross-sectional view of a split cavity mold capable of preventing an opening and closing offset according to the present utility model;

FIG. 3 is an exploded view of a split cavity mold capable of preventing an opening and closing offset according to the present utility model in a first view;

FIG. 4 is an exploded view of a split cavity mold capable of preventing an opening and closing offset according to the present utility model in a second view;

fig. 5 is a schematic structural view of a front molding assembly, a left molding assembly, a rear molding assembly and a right molding assembly according to the present utility model.

Wherein, each reference sign in the figure:

100. a movable die holder;

200. pouring flow channel;

300. an upper cavity forming chamber; 310. forming an upright post;

400. a fixed die holder;

500. a lower cavity forming module; 510. A main body molding column; 520. An outer Zhou Chengxing module; 530. a front side molding assembly; 540. a rear side forming assembly; 550. a left side molding assembly; 560. a right side forming assembly; 570. connecting the forming blocks; 571. an outer Zhou Chengxing seat; 5711. a concave-convex surface; 572. a drive connection seat; 580. An opening and closing driving cylinder; 590. A cylinder mounting seat;

600. an upper guide assembly; 610. Guide sleeve;

700. a lower guide assembly; 710. A guide post;

800. and (5) a product forming cavity.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In a first embodiment of the present utility model, as shown in fig. 1 to 4, a cavity-separating mold capable of preventing an opening/closing deviation is provided, comprising:

the movable die holder 100, the middle part of the movable die holder 100 is provided with a pouring runner 200 in a penetrating way, and meanwhile, the lower end surface of the movable die holder 100 is provided with an upper cavity forming chamber 300 which is communicated with the pouring runner 200 in an inward concave way and is used for forming the upper end surface of a product;

the fixed die holder 400, the upper end surface of the fixed die holder 400 protrudes outwards and is provided with a lower cavity forming module 500 which is embedded in the upper cavity forming chamber 300 in a matching way, the lower cavity forming module 500 comprises a main body forming column 510 and an outer Zhou Chengxing module 520 which are arranged on the upper end surface of the fixed die holder 400, and the outer Zhou Chengxing module 520 is enclosed outside the main body forming column 510 and is used for forming the main body and the lower end surface of a product;

the upper guide assembly 600 is fixedly arranged at four corners of the movable die holder 100 and extends along the height direction of the movable die holder 100;

and a lower guide assembly 700 fixedly disposed at four corners of the fixed mold base 400 and extending along a height direction of the fixed mold base 400;

when the mold is closed, the upper guide assembly 600 is inserted into the lower guide assembly 700 to align, and finally the upper cavity molding chamber 300, the main body molding column 510 and the outer Zhou Chengxing module 520 together enclose to form a product molding cavity 800 for molding a product.

Specifically, in this embodiment, when the split cavity type mold capable of preventing the opening and closing offset is closed, the upper guide assembly 600 is inserted into the lower guide assembly 700 to perform alignment, so that the offset of the movable mold base 100 and the fixed mold base 400 in the mold closing process can be prevented, the mold collision caused by the misalignment of the mold closing is avoided, the precision of the mold in the process of manufacturing a product is further enhanced, the mold structure is limited and stable, a good guide effect is achieved, and the quality of the product is ensured. During the production of the split cavity type die capable of preventing the opening and closing offset, the upper cavity forming chamber 300, the main body forming column 510 and the outer Zhou Chengxing die set 520 are jointly enclosed to form the product forming cavity 800, so that the product is subjected to one-time injection molding, the cost required to be input in the production of the product is greatly reduced, the quality of the product is improved, and the efficient automatic production of the product is realized.

In a second embodiment of the present utility model, as shown in fig. 3, the outer Zhou Chengxing module 520 includes:

a front molding assembly 530, wherein the front molding assembly 530 is disposed on the upper end surface of the fixed mold base 400 and located at the front side of the main body molding column 510, for molding the front periphery of the product;

a rear molding assembly 540, wherein the rear molding assembly 540 is disposed on the upper end surface of the fixed mold base 400 and located at the rear side of the main body molding column 510, for molding the rear periphery of the product;

a left molding assembly 550, wherein the left molding assembly 550 is disposed on the upper end surface of the fixed mold base 400 and located at the left side of the main body molding column 510, for molding the left outer circumference of the product;

and a right molding assembly 560, wherein the right molding assembly 560 is disposed on the upper end surface of the fixed mold base 400 and located on the right side of the main body molding column 510, for molding the right outer circumference of the product;

the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540, and the right molding assembly 560 are tightly adhered to each other and are enclosed outside the main body molding column 510.

Specifically, in this embodiment, since the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are tightly adhered to each other and enclose the main body and the lower end surface of the main body molding column 510 for co-molding the product, and the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are mutually independent and are mounted at different positions on the upper end surface of the fixed mold base 400, when the product is updated to a product with a different structure, the corresponding front molding assembly 530, left molding assembly 550, rear molding assembly 540 or right molding assembly 560 can be replaced according to the actually changed position, without replacing the whole mold apparatus, and thus greatly saving the production cost.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

In a third embodiment of the present utility model, as shown in fig. 3, the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540, and the right molding assembly 560 are movably disposed on the upper end surface of the fixed mold base 400; when the mold is closed, the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are closely attached to each other for molding a product; when the mold is opened, the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are separated from each other, so that the product can be removed from the mold.

Specifically, in this embodiment, this can prevent that the chamber mould that divides of skew that opens and shuts from having realized the automatic drawing of patterns of product adopts the mode of mechanical step by step drawing of patterns, breaks away from with the product according to the order through front side shaping subassembly 530, left side shaping subassembly 550, rear side shaping subassembly 540 and right side shaping subassembly 560, realizes the purpose of product complete drawing of patterns to the drawing of patterns process is through mechanical control, and equipment intensity is high, and is sturdy and durable, and is not fragile, and it can improve the success rate of product drawing of patterns, and then improves production efficiency, has reduced operating personnel's intensity of labour simultaneously.

The rest of the present embodiment is the same as the embodiment, and the unexplained features in the present embodiment are all explained by the second embodiment, and are not described here again.

In the fourth embodiment of the present utility model, as shown in fig. 3, the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are vertically disposed, respectively, while the centers of the front molding assembly 530, the main body molding post 510 and the rear molding assembly 540 are positioned on the same line, and the centers of the left molding assembly 550, the main body molding post 510 and the right molding assembly 560 are positioned on the same line.

Specifically, in this embodiment, since the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are vertically disposed respectively, that is, the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are distributed on the upper end surface of the fixed mold base 400 at equal intervals with the main body molding column 510 as the center, the overall structure layout is reasonable and compact, and the product can be effectively limited and fixed during the product manufacturing, so that the product position is not offset, the stability and the reliability are good, the production efficiency and the product quality are greatly improved, and the precision during the product manufacturing is improved.

In a fifth embodiment of the present utility model, as shown in fig. 5, the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 have the same structure, and each of them includes a connection molding block 570, an opening/closing driving cylinder 580 and a cylinder mount 590; the connecting forming block 570 is slidably arranged on the upper end surface of the fixed die seat 400; the cylinder mount 590 is fixedly mounted on the fixed mold base 400; the opening and closing driving cylinder 580 is fixedly installed on the cylinder installation seat 590; meanwhile, an output shaft of the opening and closing driving cylinder 580 is connected with the connecting molding block 570, so as to drive the connecting molding block 570 to slide on the upper end surface of the fixed mold base 400.

Specifically, in this embodiment, when the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are operated, the opening and closing driving cylinder 580 is operated to further drive the connecting molding block 570 to slide on the upper end surface of the fixed mold base 400, so that the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are tightly attached to each other during mold closing, and the front molding assembly 530, the left molding assembly 550, the rear molding assembly 540 and the right molding assembly 560 are mutually separated during mold opening, so that the position of the connecting molding block 570 is adjusted, the purpose of facilitating position adjustment is achieved, and the practicability of the device is improved.

In a sixth embodiment of the present utility model, as shown in fig. 5, the connection molding block 570 includes:

an outer Zhou Chengxing seat 571, wherein the outer Zhou Chengxing seat 571 is arranged in a trapezoid structure and is adapted to the shape of the upper cavity forming chamber 300, and meanwhile, the front end surface of the outer Zhou Chengxing seat 571 is provided with a concave-convex surface 5711 for forming the periphery of a product;

and a driving connection base 572, wherein the driving connection base 572 is fixedly connected to the rear end surface of the outer Zhou Chengxing base 571, and the driving connection base 572 is connected to the output shaft of the opening/closing driving cylinder 580.

Specifically, in the present embodiment, the outer Zhou Chengxing seat 571 and the driving connecting seat 572 are integrally formed, so that the connection strength between the outer peripheral forming seat 571 and the driving connecting seat 572 is increased, and the deformation of the connecting forming block 570 in the mold processing process is effectively avoided, so that the connecting forming block 570 has the effects of reducing the manufacturing cost, reducing the possibility of functional defects and improving the assembly efficiency.

The rest of the present embodiment is the same as the fifth embodiment, and the unexplained features in the present embodiment are all explained in the fifth embodiment, and are not described here again.

In a seventh embodiment of the present utility model, as shown in fig. 4, a plurality of molding columns 310 for forming notches on the upper end surface of the product are vertically disposed in the upper cavity molding chamber 300, and the plurality of molding columns 310 are located between the main body molding column 510 and the outer Zhou Chengxing module 520 during mold closing.

Specifically, in this embodiment, by arranging the plurality of forming columns 310 in the upper cavity forming chamber 300, the upper end surface of the formed product is provided with a notch, and secondary drilling processing is not required to be performed subsequently, so that the cost required to be input for product production is greatly reduced, and meanwhile, the quality of the product is improved.

In an eighth embodiment of the present utility model, as shown in fig. 3, the upper guiding assembly 600 includes four guiding sleeves 610 fixedly disposed at four corners of the movable mold base 100, the lower guiding assembly 700 includes four guiding posts 710 fixedly disposed at four corners of the fixed mold base 400, and the guiding posts 710 are slidably inserted into the guiding sleeves 610.

Specifically, in this embodiment, the movable mold holder 100 and the fixed mold holder 400 are matched with each other through the guide sleeve 610 and the guide post 710 to perform mold opening and closing, so that the mold opening and closing positions of the movable mold holder 100 and the fixed mold holder 400 can be precisely positioned, offset errors generated in the mold opening and closing process are avoided, the problem of dislocation of the mold cavity is solved, the service life of the mold is prolonged, the quality of products is improved, and the production cost is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A split cavity mold capable of preventing opening and closing offset, comprising:

2. The split cavity mold capable of preventing opening and closing offset according to claim 1, wherein: the periphery shaping module includes:

3. The split cavity mold capable of preventing opening and closing offset according to claim 2, wherein: the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly are movably arranged on the upper end face of the fixed die holder; when the mold is closed, the front side molding assembly, the left side molding assembly, the rear side molding assembly and the right side molding assembly are tightly attached to each other so as to be used for molding a product; when the die is opened, the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly are separated from each other, so that the product can be conveniently removed from the die.

4. The split cavity mold capable of preventing opening and closing offset according to claim 2, wherein: the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly are respectively and vertically arranged, the centers of the front side forming assembly, the main body forming column and the rear side forming assembly are located on the same straight line, and the centers of the left side forming assembly, the main body forming column and the right side forming assembly are located on the same straight line.

5. The split cavity mold capable of preventing opening and closing offset according to claim 2, wherein: the front side forming assembly, the left side forming assembly, the rear side forming assembly and the right side forming assembly have the same structure and all comprise a connecting forming block, an opening and closing driving cylinder and a cylinder mounting seat; the connecting forming block is arranged on the upper end face of the fixed die holder in a sliding manner; the cylinder mounting seat is fixedly mounted on the fixed die holder; the opening and closing driving cylinder is fixedly arranged on the cylinder mounting seat; and meanwhile, an output shaft of the opening and closing driving cylinder is connected with the connecting forming block so as to drive the connecting forming block to slide on the upper end surface of the fixed die holder.

6. The split cavity mold capable of preventing opening and closing deviation according to claim 5, wherein: the connection molding block includes:

7. The split cavity mold capable of preventing opening and closing offset according to claim 1, wherein: a plurality of forming stand columns used for forming notches on the upper end face of a product are vertically arranged in the upper cavity forming chamber, and the forming stand columns are located between the main body forming column and the outer Zhou Chengxing module during die assembly.

8. The split cavity mold capable of preventing opening and closing offset according to claim 1, wherein: the upper guide assembly comprises four guide sleeves fixedly arranged at four corners of the movable die holder, the lower guide assembly comprises four guide posts fixedly arranged at four corners of the fixed die holder, and the guide posts are slidably inserted into the guide sleeves.