CN218519125U

CN218519125U - Structure capable of improving matching precision of plastic products

Info

Publication number: CN218519125U
Application number: CN202222809026.3U
Authority: CN
Inventors: 欧阳轩
Original assignee: Guangzhou Zhongtai Plastic Products Co ltd
Current assignee: Guangzhou Zhongtai Plastic Products Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-02-24
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a structure capable of improving the matching precision of plastic products, which comprises a product body, an insert and an exhaust hole, wherein the insert is arranged inside the product body, and the inner wall of the insert is provided with the exhaust hole; further comprising: the connecting groove is formed in the outer surface of the insert, and a parting sliding block is connected inside the connecting groove; the mounting hole is formed in the parting sliding block, and a positioning pin is connected to the inside of the mounting hole. This can improve structure of plastic product cooperation precision, the inner wall of inserting has seted up exhaust hole and has led to the groove, and lead to the groove and be provided with 2, and 2 lead to the groove all with exhaust hole between communicate each other, the position of 2 logical grooves and the position of bearing the piece stagger each other simultaneously, in the production process of moulding plastics to plastic product, can exhaust through the cooperation that leads to groove and exhaust hole like this, thereby can effectively prevent to appear vacuous phenomenon behind the compound die, prevent the drawing of patterns deformation of plastic product, the precision of product has been improved.

Description

Structure capable of improving matching precision of plastic products

Technical Field

The utility model relates to a plastics technical field specifically is a can improve structure of plastic product cooperation precision.

Background

In the processing of plastic products, an injection mold is often used, and the products are molded through the mold, so that a matching structure in the mold plays an important role in the quality of the products.

But the mould cooperation structure that current plastics product was used during man-hour still has some weak points in the use, for example, injection mold inside can be equipped with the die cavity, the liquid material that will produce plastics pours into the die cavity into, finalize the design to the product through the die cavity, and in the product forming process, be not convenient for exhaust, can the vacuum appear after the compound die like this, lead to the drawing of patterns of plastics product to warp, the product after the deformation will seriously influence the product precision, so the precision of product has been reduced, also reduced the result of use to cooperation structure in the mould, so we have proposed a structure that can improve plastics product cooperation precision, so that solve the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve structure of plastic products cooperation precision to solve on the existing market that above-mentioned background art provided at the injection moulding product forming in-process, be not convenient for exhaust, can appear the vacuum after the compound die like this, lead to the drawing of patterns of plastic products to warp, the product after warping will seriously influence the product precision, so reduced the precision of product, also reduced the problem to the result of use of cooperation structure in the mould.

In order to achieve the above object, the utility model provides a following technical scheme: a structure capable of improving the matching precision of a plastic product comprises a product body, an insert and a vent hole, wherein the insert is arranged in the product body, and the vent hole is formed in the inner wall of the insert;

further comprising:

the connecting groove is formed in the outer surface of the insert, and a parting sliding block is connected inside the connecting groove;

the mounting hole is formed in the parting sliding block, and a positioning pin is connected to the inside of the mounting hole.

Preferably, a bearing block is arranged right below the insert and is connected with the product body through a positioning groove, and the positioning groove is formed in the product body, so that the insert can be better butted and installed under the action of the bearing block, better butt joint between the insert and the product body is realized, and better production of the product is facilitated.

Preferably, the bearing block and the insert are of an integrated structure, the size of the bearing block is matched with that of the positioning groove, the firmness of connection between the bearing block and the insert is guaranteed, the phenomenon of falling in the use process is effectively prevented, meanwhile, the guide positioning effect can be achieved for the butt joint between the insert and the product body, and the operation of workers is facilitated.

Preferably, the inner wall of the insert is further provided with a through groove, one end of the through groove is connected with the exhaust hole, the other end of the through groove is arranged on the surface of the bottom of the insert, the product can be exhausted in the injection molding process through the cooperation of the through groove and the exhaust hole, the phenomenon of vacuum after mold closing can be effectively prevented, the demolding deformation of a plastic product is prevented, and the precision of the product is improved.

Preferably, it is provided with 2 to lead to the groove, and 2 lead to the groove and all communicate each other with exhausting between the hole about the longitudinal center line symmetric distribution who connects the piece to 2 lead to the groove, 2 lead to the groove simultaneously and all be the slope form, can make gas get into from 2 lead to the groove like this, then outwards discharge in getting into the exhaust hole by leading to the groove, the vacuum phenomenon appears when effectively preventing the later stage drawing of patterns, effectively prevent the deformation of plastic products, improve the precision of product.

Preferably, the parting sliding block is provided with 2, and 2 parting sliding blocks all constitute sliding structure through spread groove and insert, are convenient for carry out dismouting operation between parting sliding block and the insert like this, and under the effect of parting sliding block, can make insert and product body between be connected more firm moreover, effectively prevent the phenomenon that becomes flexible and shift from appearing in the use, further guarantee the normal processing of product, and then guaranteed the precision of product.

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

(1) According to the structure capable of improving the matching precision of the plastic product, the inner wall of the insert is provided with the exhaust holes and the through grooves, the through grooves are 2, the through grooves are communicated with the exhaust holes, and the positions of the through grooves and the positions of the bearing blocks are staggered with each other, so that in the injection molding production process of the plastic product, the exhaust can be performed through the matching of the through grooves and the exhaust holes, the vacuum phenomenon after mold closing can be effectively prevented, the demolding deformation of the plastic product is prevented, and the precision of the product is improved;

(2) This can improve structure of plastics product cooperation precision has seted up 2 spread grooves at the surface of inserting, and be sliding connection between spread groove and the parting slider to the parting slider pass through the dowel can with the product body between fix, can make like this insert and the product body between be connected more firm, effectively prevent the not hard up phenomenon of appearance in the use, and then guarantee the normal clear of product exhaust work.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the insert forward-cut structure of the present invention;

FIG. 3 is a schematic view of the connection overlooking structure of the insert and the parting slider of the present invention;

fig. 4 is a schematic view of a side view of the insert and the connecting groove of the present invention.

In the figure: 1. a product body; 2. an insert; 3. an exhaust hole; 4. connecting grooves; 5. parting slide blocks; 6. mounting holes; 7. positioning a pin; 8. a through groove; 9. a bearing block; 10. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a structure capable of improving the matching precision of a plastic product comprises a product body 1, an insert 2 and an exhaust hole 3, wherein the insert 2 is arranged in the product body 1, the exhaust hole 3 is formed in the inner wall of the insert 2, a bearing block 9 is arranged right below the insert 2, the bearing block 9 is connected with the product body 1 through a positioning groove 10, the positioning groove 10 is formed in the product body 1,

the bearing block 9 and the insert 2 are of an integrated structure, and the size of the bearing block 9 is matched with that of the positioning groove 10;

further comprising:

the inner wall of the insert 2 is also provided with through grooves 8, one end of each through groove 8 is connected with the exhaust hole 3, the other end of each through groove 8 is arranged on the bottom surface of the

insert

2, 2 through grooves 8 are arranged, the 2 through grooves 8 are symmetrically distributed around the longitudinal center line of the bearing block 9, the 2 through grooves 8 are communicated with the exhaust holes 3, and the 2 through grooves 8 are inclined,

the connecting groove 4 is formed in the outer surface of the insert 2, the parting sliding blocks 5 are connected inside the connecting

groove

4, 2 parting sliding blocks 5 are arranged, and the 2 parting sliding blocks 5 and the insert 2 form a sliding structure through the connecting groove 4; and the mounting hole 6 is formed in the parting sliding block 5, and a positioning pin 7 is connected to the inside of the mounting hole 6.

As shown in fig. 1-4, firstly, the product body 1 is placed at a corresponding position, then the insert 2 and the product body 1 are installed, the positioning groove 10 is arranged inside the product body 1, the receiving block 9 is arranged right below the insert 2, and the size of the receiving block 9 is matched with that of the positioning groove 10, so that the insert 2 and the product body 1 can be installed by the clamping between the receiving block 9 and the positioning groove 10, then the parting slide block 5 is installed by the sliding between the connecting groove 4 and the

product body

1, and 2 parting slide blocks 5 are arranged, so that the installation can be performed in sequence,

the mounting hole 6 has been seted up at the inner wall of parting slider 5, consequently, can insert the set pin 7 in the mounting hole 6, carry on spacing once more between parting slider 5 and the product body 1, thereby can guarantee the fastness when inserting 2 uses, exhaust hole 3 and logical groove 8 have been seted up at the inner wall of inserting 2, and communicate each other between logical groove 8 and the exhaust hole 3, and logical groove 8 is provided with 2, through the intercommunication of exhaust hole 3 and logical groove 8, can solve the exhaust problem that the PP material head wall thickness of moulding plastics is very thin well, realize the solution to the exhaust problem in injection mold, thereby solve the vacuum problem of injection molding product, effectively avoid appearing the vacuum after the compound die and lead to the drawing of patterns deformation of product, and then can guarantee the product precision, also improve the result of use of this structure, above be the working process of whole device, the content that does not make detailed description all belongs to the prior art that technical personnel know in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A structure capable of improving the matching precision of a plastic product comprises a product body (1), an insert (2) and a vent hole (3), wherein the insert (2) is arranged in the product body (1), and the vent hole (3) is formed in the inner wall of the insert (2);

it is characterized by also comprising:

the connecting groove (4) is formed in the outer surface of the insert (2), and a parting sliding block (5) is connected to the inside of the connecting groove (4);

and the mounting hole (6) is formed in the parting sliding block (5), and a positioning pin (7) is connected to the inside of the mounting hole (6).

2. The structure for improving the matching precision of plastic products according to claim 1, wherein: a bearing block (9) is arranged right below the insert (2), the bearing block (9) is connected with the product body (1) through a positioning groove (10), and the positioning groove (10) is arranged in the product body (1).

3. The structure for improving the fitting accuracy of plastic products according to claim 2, wherein: the bearing block (9) and the insert (2) are of an integrated structure, and the size of the bearing block (9) is matched with that of the positioning groove (10).

4. The structure for improving the matching precision of plastic products according to claim 1, wherein: the inner wall of the insert (2) is further provided with a through groove (8), one end of the through groove (8) is connected with the exhaust hole (3), and the other end of the through groove (8) is arranged on the surface of the bottom of the insert (2).

5. The structure for improving the matching precision of plastic products as claimed in claim 4, wherein: lead to groove (8) and be provided with 2, and 2 lead to groove (8) and about the vertical centerline symmetric distribution that holds and connect piece (9) to 2 lead to the groove (8) all with exhaust hole (3) between communicate each other, 2 lead to groove (8) all to be the slope form simultaneously.

6. The structure for improving the fitting accuracy of plastic products according to claim 1, wherein: the parting sliding blocks (5) are arranged in 2, and the 2 parting sliding blocks (5) and the insert (2) form a sliding structure through the connecting grooves (4).