CN214820425U

CN214820425U - Quick replacement structure of small insert in large insert nested structure

Info

Publication number: CN214820425U
Application number: CN202120690049.XU
Authority: CN
Inventors: 秦喜梅
Original assignee: Oechsler Plastic Products Taicang Co Ltd
Current assignee: Oechsler Plastic Products Taicang Co Ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-23
Anticipated expiration: 2031-04-06

Abstract

The utility model provides a quick replacement structure of little mold insert in big mold insert nested structure, includes little mold insert, big mold insert, little mold insert fixed block, template and locking screw, big mold insert sets up in the template, little mold insert sets up in big mold insert, little mold insert fixed block slides and sets up in the template to little mold insert fixed block and locking screw stretch into the end connection in the template, be equipped with inclined plane one and locking groove on the little mold insert fixed block, little mold insert and inclined plane one contact to little mold insert can with the locking groove closure. The utility model discloses a quick replacement structure of small and medium mold inserts in the large and small mold insert nesting structure, which can release and lock the mold inserts, improves the replacement efficiency of the mold inserts, and has simple operation steps, thereby increasing the practicability of the mold; when the production operation is carried out, the mold is not required to be taken down from the injection molding machine, the replacement of the mold insert can be realized, the labor intensity is greatly reduced, and the time consumed by replacing the mold insert by the original method can be saved.

Description

Quick replacement structure of small insert in large insert nested structure

Technical Field

The utility model belongs to the technical field of injection mold, specifically, relate to a quick replacement structure of small and medium mold insert in large and small mold insert nested structure.

Background

As is well known, an injection mold is widely used in the field of industrial product production, and is a part that gives shape and size to plastic in molding and is also a tool that gives complete structure and precise size to plastic products.

The injection mold comprises an upper plate and a lower plate, wherein the upper plate is connected with an upper template, the lower plate is connected with a lower template through a support, and a cavity of an injection molding product is formed when the upper template and the lower template are assembled. According to the shape of the product, an insert is embedded in the upper template, and the lower end of the insert is positioned at the cavity.

The insert between the movable template and the fixed template needs to be replaced in the injection molding production process, the insert designed in the prior art is integrally fixed in a mold cavity, the insert needs to be removed from the mold and taken for replacement, and the mold is assembled and then put on an injection molding machine for production. This is time consuming, the injection molding machine needs to be shut down empty, the production cycle is prolonged, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a quick replacement structure of little mold insert in big small insert nested structure, when having solved to change the mold insert among the prior art, need follow the injection molding machine and go up the lower mould, break up the mould, change behind the mold insert on putting up the injection molding machine, consuming time long, work load is big, needs the injection molding machine to shut down the waiting problem.

The technical scheme is as follows: the utility model provides a quick replacement structure of little mold insert in big mold insert nested structure, including little mold insert, big mold insert, little mold insert fixed block, template and locking screw, big mold insert sets up in the template, little mold insert sets up in big mold insert, little mold insert fixed block slides and sets up in the template to little mold insert fixed block and locking screw stretch into the end connection in the template, be equipped with inclined plane one and locking groove on the little mold insert fixed block, little mold insert and inclined plane one contact to little mold insert can with the locking groove closure. The utility model discloses a quick replacement structure of small and medium mold inserts in the large and small mold insert nesting structure, can release and lock the mold insert only through simple linear motion, improves the replacement efficiency of the mold insert, and the operation steps are simple, thus increasing the practicability of the mold; when the production operation is carried out, the mold is not required to be taken down from the injection molding machine, the replacement of the mold insert can be realized, the labor intensity is greatly reduced, and the time consumed by replacing the mold insert by the original method can be saved, so that the production efficiency is improved.

Furthermore, according to the quick replacement structure of the small insert in the large insert and small insert nesting structure, the first concave cavity is formed in the template, the large insert and the small insert fixing block are both arranged in the first concave cavity, one end face of the small insert fixing block is attached to the end face of the large insert, and the small insert fixing block can move in the first concave cavity. The first concave cavity can be used for embedding the large insert, and a moving space for the small insert fixing block is provided.

Furthermore, according to the quick replacement structure of the small insert in the large insert and small insert nesting structure, the end face, close to the large insert, of the small insert fixing block is provided with the second concave cavity, and the first inclined face and the locking groove are respectively arranged at the two ends of the second concave cavity along the moving direction of the small insert fixing block. The second concave cavity is used for accommodating one part of the small insert, and provides a first inclined surface for quick replacement of the small insert and a structure for locking the small insert.

Furthermore, according to the quick replacement structure of the small insert in the large insert and small insert nesting structure, the end part, close to the small insert fixing block, of the small insert is provided with the conical convex part, the conical convex part is arranged in the second concave cavity, the first inclined surface is in contact with the inclined surface of the conical convex part, and the conical convex part is arranged in the locking groove. The conical convex part and the inclined plane I are matched, so that thrust is generated between the inclined plane and the conical convex part in the moving process of the small insert fixing block, and the small insert is extruded.

Furthermore, in the quick replacement structure of the small insert in the large insert and small insert nesting structure, an annular groove is formed between the conical convex part and the small insert. When the small insert is locked, the edge of the conical convex part is clamped into the locking groove, and meanwhile, the convex part between the locking groove and the small insert fixing block is inserted into the annular groove to form a locking structure.

Furthermore, according to the quick replacement structure of the small insert in the large insert nesting structure, the large insert is provided with the first through hole, and the small insert is arranged in the first through hole.

Furthermore, in the quick replacement structure of the small insert in the large insert nesting structure, a second inclined surface is arranged in the locking groove and is in contact with the inclined surface of the conical convex part.

Furthermore, according to the quick replacement structure of the small insert in the large insert nesting structure, the template is provided with a second through hole, the second through hole is communicated with the first concave cavity, the locking screw can pass through the second through hole, and two ends of the locking screw respectively extend out of the second through hole. The locking screw can move in the second through hole through the driving device.

Furthermore, in the quick replacement structure for the small insert in the large insert nesting structure, a screw limiting groove is formed in the position, close to the outer wall of the template, of the second through hole. The screw limiting groove is used for accommodating the head of the screw, so that the phenomenon that the locking screw exceeds the distance to cause collision of the small insert fixing block and the template is avoided.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: big small mold insert nested structure the quick replacement structure of small mold insert, set up the small mold insert fixed block in the mould through the activity, release and locking of swing joint's mold insert in the mould can be carried out, the change of mold insert has been simplified greatly, need not unpack whole mould apart when changing the mold insert, it is fairly convenient, and the nimble easy dismantlement of fixed mode, the quick replacement of the mold insert of being convenient for, comparatively practical, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a first schematic structural diagram of a quick replacement structure of a small insert in a large insert nesting structure of the present invention;

fig. 2 is a structural schematic diagram of a quick replacement structure of a small insert in a large insert nesting structure of the present invention;

fig. 3 is a third schematic structural view of a quick replacement structure of a small insert in a large insert nesting structure of the present invention;

fig. 4 is the utility model discloses a small and medium mold insert nested structure's quick replacement structure's structural schematic diagram is four.

In the figure: the die comprises a small insert 1, a conical convex part 11, an annular groove 12, a large insert 2, a first through hole 21, a small insert fixing block 3, a first inclined surface 31, a locking groove 32, a second concave cavity 33, a second inclined surface 34, a die plate 4, a first concave cavity 41, a second through hole 42, a screw limiting groove 43 and a locking screw 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The quick replacement structure of the small insert in the large insert nesting structure and the small insert nesting structure shown in fig. 1-4 comprises a small insert 1, a large insert 2, a small insert fixing block 3, a template 4 and a locking screw 5, wherein the large insert 2 is arranged in the template 4, the small insert 1 is arranged in the large insert 2, the small insert fixing block 3 is arranged in the template 4 in a sliding manner, the small insert fixing block 3 and the locking screw 5 extend into the end part of the template 4 to be connected, the small insert fixing block 3 is provided with an inclined surface one 31 and a locking groove 32, the small insert 1 is in contact with the inclined surface one 31, and the small insert 1 can be locked with the locking groove 32. One end, far away from the small insert fixing block 3, of the locking screw 5 is connected with a driving device, and the driving device can drive the locking screw 5 to move left and right, so that the small insert fixing block 3 is driven to move.

The die plate 4 is provided with a first concave cavity 41, the large insert 2 and the small insert fixing block 3 are both arranged in the first concave cavity 41, one end face of the small insert fixing block 3 is attached to the end face of the large insert 2, and the small insert fixing block 3 can move in the first concave cavity 41. And a second concave cavity 33 is arranged on the end surface of the small insert fixing block 3 close to the large insert 2, and the first inclined surface 31 and the locking groove 32 are respectively arranged at two ends of the second concave cavity 33 along the moving direction of the small insert fixing block 3. The second inclined surface 34 is arranged in the locking groove 32, and the second inclined surface 34 is in contact with the inclined surface of the conical convex part 11.

In addition, a conical convex part 11 is arranged at the end part of the small insert 1 close to the small insert fixing block 3, the conical convex part 11 is arranged in a concave cavity II 33, the inclined surface I31 is in contact with the inclined surface of the conical convex part 11, and the conical convex part 11 is arranged in a locking groove 32. An annular groove 12 is arranged between the conical convex part 11 and the small insert 1. The large insert 2 is provided with a first through hole 21, and the small insert 1 is arranged in the first through hole 21. The driving device drives the small insert fixing block 3 to move left and right in the first recessed cavity 41, and when the first inclined surface 31 is in contact with the inclined surface of the conical convex part 11, the small insert 1 is pushed to be extruded out of the first through hole 21 through thrust, so that the small insert 1 can be taken out conveniently; and then, the small insert fixing block 3 is withdrawn for a certain distance, another new small insert 1 is placed into the large insert 2, the small insert 1 is pushed until the small insert enters the second cavity 33, and the conical convex part 11 and the locking groove 32 are locked at the moment.

In addition, a second through hole 42 is formed in the template 4, the second through hole 42 is communicated with the first concave cavity 41, the locking screw 5 can penetrate through the second through hole 42, and two ends of the locking screw 5 respectively extend out of the second through hole 42. And a screw limiting groove 43 is formed in the through hole II 42 and is close to the outer wall of the template 4.

The quick replacement structure of the small insert in the large insert nesting structure can be specifically applied to the following scenes:

1. the multiple products share the mold, and only part of the small inserts need to be replaced;

2. the small insert is easy to damage and needs to be replaced frequently;

3. the insert is easy to block when exhausting and needs to be cleaned frequently;

4. when the abnormal size needs to be adjusted in the debugging and production process.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a quick replacement structure of little mold insert in big and small mold insert nested structure which characterized in that: including little mold insert (1), big mold insert (2), little mold insert fixed block (3), template (4) and locking screw (5), big mold insert (2) set up in template (4), little mold insert (1) sets up in big mold insert (2), slip setting in template (4) of little mold insert fixed block (3) to little mold insert fixed block (3) and locking screw (5) stretch into the end connection in template (4), be equipped with inclined plane (31) and locking groove (32) on little mold insert fixed block (3), little mold insert (1) and inclined plane (31) contact to little mold insert (1) can with locking groove (32) closure.

2. The quick replacement structure for small inserts in large insert nesting structures according to claim 1, wherein: the die plate is characterized in that a first sunken cavity (41) is formed in the die plate (4), the large insert (2) and the small insert fixing block (3) are arranged in the first sunken cavity (41), one end face of the small insert fixing block (3) is attached to the end face of the large insert (2), and the small insert fixing block (3) can move in the first sunken cavity (41).

3. The quick insert replacement structure for small and medium inserts in a large insert nesting structure as claimed in claim 2, wherein: and a second concave cavity (33) is arranged on the end face, close to the large insert (2), of the small insert fixing block (3), and the first inclined face (31) and the locking groove (32) are respectively arranged at two ends of the second concave cavity (33) in the moving direction of the small insert fixing block (3).

4. The quick insert replacement structure for small and medium inserts in a large insert nesting structure as claimed in claim 3, wherein: the small insert fixing block is characterized in that a conical convex part (11) is arranged at the end part, close to the small insert fixing block (3), of the small insert (1), the conical convex part (11) is arranged in a second concave cavity (33), the first inclined surface (31) is in contact with the inclined surface of the conical convex part (11), and the conical convex part (11) is arranged in a locking groove (32).

5. The quick insert replacement structure for small and medium inserts in a large insert nesting structure as claimed in claim 4, wherein: an annular groove (12) is arranged between the conical convex part (11) and the small insert (1).

6. The quick replacement structure for small inserts in large insert nesting structures according to claim 1, wherein: the large insert (2) is provided with a first through hole (21), and the small insert (1) is arranged in the first through hole (21).

7. The quick insert replacement structure for small and medium inserts in a large insert nesting structure as claimed in claim 4, wherein: and a second inclined surface (34) is arranged in the locking groove (32), and the second inclined surface (34) is in contact with the inclined surface of the conical convex part (11).

8. The quick insert replacement structure for small and medium inserts in a large insert nesting structure as claimed in claim 2, wherein: and a second through hole (42) is formed in the template (4), the second through hole (42) is communicated with the first concave cavity (41), the locking screw (5) can pass through the second through hole (42), and the two ends of the locking screw (5) respectively extend out of the second through hole (42).

9. The quick insert replacement structure for small and medium inserts in a large insert nesting structure according to claim 8, wherein: and a screw limiting groove (43) is formed in the through hole II (42) and is close to the outer wall of the template (4).