CN112721055B

CN112721055B - Assembly structure and assembly method of dense inserts with high precision

Info

Publication number: CN112721055B
Application number: CN202011594472.6A
Authority: CN
Inventors: 钱国锋; 曹常团; 吴先明
Original assignee: Suzhou Qinglang Industrial Technology Co ltd
Current assignee: Suzhou Qinglang Industrial Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2023-03-14
Anticipated expiration: 2040-12-29
Also published as: CN112721055A

Abstract

The invention discloses an assembling structure of a high-precision dense insert and an assembling method thereof, wherein the assembling structure comprises an outer insert shell, an injection insert is uniformly inserted into the inner bottom wall of the outer insert shell, two connecting grooves are symmetrically formed in the front surface and the rear surface of the injection insert, a first glue position is integrally formed on the upper surface and the inner side wall of the injection insert, through grooves are uniformly formed in the rear surface of the outer insert shell, and an injection hanging table is inserted into the inner side wall of each through groove; through the cooperation between the mold insert of moulding plastics of outer inlay shell, multiunit rectangular array and the string platform of moulding plastics, realize that the mold insert injection moulding is assembled to the multiunit, utilize first glue position and second glue the cooperation between the position to realize injection moulding, when simplifying to fall to assemble the string platform that the mold insert was complicatedly complicated, realized moulding plastics intensively arranging, solved the phenomenon that can't effectively hold U type part space dimension among the traditional art.

Description

Assembly structure and assembly method of dense inserts with high precision

Technical Field

The invention relates to the technical field of injection molds, in particular to an assembling structure of a dense insert with high precision and an assembling method thereof.

Background

The U-shaped parts have wide application in the mechanical field (such as U-shaped sealing rings), so that the processing by using an injection molding method is the processing method which most meets the economic requirement; however, for the injection mold of the U-shaped part product, if the U-shaped mold groove is directly formed, the U-shaped mold groove can only be processed in an electric spark mode; however, the carbon deposition can be removed only from the upper end, so the inner wall is thick and ultra, and the precision is poor; moreover, the bottom end of the mold is of an integrated structure, so that waste gas cannot be discharged during injection molding and ejection, and an ejection part can be insufficiently filled (commonly called as short ejection or incomplete filling), and finally, the injection molding part is poor in quality and the product is scrapped;

in the recent related technology, people create means for respectively processing insert structures for a U-shaped hole die structure, namely split charging and splicing the die into a U-shaped groove, so that the problem of low surface processing precision is solved, and the gas trapping problem is solved by the gap of the insert; although this approach can solve the problem of insufficient filling in the conventional technology, the structure cannot effectively control the space size of the part if the structure is used for injection molding of a dense U-shaped product.

Therefore, the assembling structure and the assembling method of the dense insert with high precision are provided.

Disclosure of Invention

The invention aims to provide an assembling structure of a dense insert with high precision and an assembling method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an assemble structure of intensive mold insert with high accuracy, includes outer inlay shell, the even grafting of the inside diapire of outer inlay shell has the mold insert of moulding plastics, two even grooves have been seted up with the rear surface symmetry to the front surface of mold insert of moulding plastics, the upper surface and the inside wall integrated into one piece of mold insert of moulding plastics have first gluey position, the rear surface of outer inlay shell has evenly seted up logical groove, the inside wall that leads to the groove is pegged graft and is moulded plastics the hanging table, the even integrated into one piece of upper surface of the hanging table of moulding plastics has the second to glue the position, the inside wall that the second glued the position with the inside wall adaptation of first gluey position, the mold insert of moulding plastics through two even groove with the surface sliding connection of the hanging table of moulding plastics, the front surface integrated into one piece of the hanging table of moulding plastics has the taper block, the front surface of outer inlay shell has seted up the rectangular groove, the bell mouth has been seted up to the inside wall of rectangular groove, the inside wall of bell mouth with the surface adaptation of taper block.

As a further preferred aspect of the present invention: the rear surface welding of the platform of hanging of moulding plastics has the stopper, the front surface of stopper with the rear surface sliding connection of outer inlay shell.

As a further preferred aspect of the present invention: the inside wall of the injection molding hanging table is provided with a through hole, and the inside wall of the through hole is inserted with a connecting shaft.

As further preferable in the present technical solution: the outer surface of the injection molding insert is provided with an annular groove, the inner side wall of the annular groove is connected with a flange in a sliding mode, a first partition plate is welded on one side of the flange, and the outer surface of the first partition plate is matched with the outer surface of the injection molding insert.

As a further preferred aspect of the present invention: eight second separation plates are welded to the upper surfaces of the four first separation plates, and the outer surfaces of the second separation plates are matched with the outer surface of the injection molding insert.

As a further preferred aspect of the present invention: two concave grooves are formed in the outer surface of the second partition plate.

In addition, the invention also provides a method for assembling the assembly structure of the dense insert with high precision, which comprises the following steps:

s1, firstly, arranging an injection molding insert in an outer insert shell, then embedding an injection molding hanging table into a conical hole of the outer insert shell through a conical structure of the injection molding hanging table, enabling the inner side wall of a second glue position to be matched with the inner side wall of a first glue position, and matching the rear surface of the outer insert shell through a limiting block;

s2, loading all the first partition plates and the second partition plates into gaps between the injection mold inserts, and enabling the first partition plates, the second partition plates and flange structures thereof to be attached to the outer surfaces of the first partition plates and the second partition plates and annular groove structures;

s3, during injection molding, a U-shaped groove formed by embedding and connecting a plurality of groups of first glue positions and second glue positions is responsible for large-scale product molding, and the injection molding exhaust requirements can be met through interference fit between the injection molding hanging table and the injection molding inserts; and taking out the product from the injection molding insert and the first glue position after the product is molded.

As further preferable in the present technical solution: in S1, the injection molding hanging table is embedded into the conical hole of the outer embedded shell through the conical structure of the conical block of the injection molding hanging table.

Compared with the prior art, the invention has the beneficial effects that:

1. the injection molding of multiple groups of assembled inserts is realized through the cooperation between the outer embedded shell, multiple groups of injection inserts in rectangular arrays and the injection hanging table thereof, and the injection molding is realized through the cooperation between the first glue position and the second glue position, so that the complicated hanging table of the assembled inserts is simplified, the injection dense arrangement is realized, and the phenomenon that the space size of a U-shaped part cannot be effectively controlled in the traditional technology is solved;

2. the injection molding insert and the glue positions of the first glue position and the second glue position of the injection molding hanging table thereof realize more accurate flow direction and molding by utilizing a linear cutting processing mode; the mounting mode of the rectangular array is matched with the precision positioning of the holes of the outer insert shell, so that the phenomenon of generating accumulative errors line by line is avoided, and the accumulative errors among a plurality of groups of inserts can be reduced; compared with the prior art, the invention greatly improves the production efficiency and the production precision.

Drawings

FIG. 1 is a schematic view of a perspective structure according to the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic view of the enlarged view of area A of FIG. 2 according to the present invention;

FIG. 4 is a schematic perspective view of an injection molded insert according to the present invention;

FIG. 5 is a schematic perspective view of an injection molding hanging table according to the present invention;

FIG. 6 is a schematic perspective view of the slot-connecting structure of the present invention;

FIG. 7 is a schematic perspective view of the outer casing according to the present invention;

fig. 8 is a perspective view of the first separating plate of the present invention.

In the figure: 1. an outer casing; 101. a rectangular groove; 102. a tapered hole; 103. a through groove; 2. injection molding the insert; 201. a first glue position; 202. connecting a groove; 203. an annular groove; 3. injection molding a hanging table; 301. a second glue position; 302. a limiting block; 303. a through hole; 304. a connecting shaft; 305. a conical block; 4. a first partition plate; 401. a flange; 5. a second partition plate; 501. a concave groove.

Detailed Description

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

Examples

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a structure of assembling with intensive mold insert of high accuracy, including outer embedded shell 1, the even grafting of inside diapire of outer embedded shell 1 has the mold insert 2 of moulding plastics, two even grooves 202 have been seted up with the rear surface symmetry to the front surface of mold insert 2 of moulding plastics, the upper surface and the inside wall integrated into one piece of mold insert 2 of moulding plastics have first gluey position 201, the rear surface of outer embedded shell 1 has evenly seted up logical groove 103, the inside wall that leads to groove 103 is pegged graft and is moulded plastics and hang platform 3, the even integrated into one piece of upper surface of the platform 3 of moulding plastics has second gluey position 301, the inside wall of second gluey position 301 and the inside wall adaptation of first gluey position 201, mold insert 2 links groove 202 through two and moulds plastics the surface sliding connection of hanging platform 3, the front surface integrated into one piece of the platform 3 of moulding plastics has taper block 305, rectangular groove 101 has been seted up to the front surface of outer embedded shell 1, taper hole 102 has been seted up to the inside wall of rectangular groove 101, the inside wall of taper hole 102 and the outer surface looks adaptation of taper block 305.

In this embodiment, specifically: the rear surface of the injection molding hanging table 3 is welded with a limiting block 302, and the front surface of the limiting block 302 is connected with the rear surface of the outer embedded shell 1 in a sliding manner; the limiting block 302 can help the injection molding hanging table 3 to match the rear surface of the outer casing 1, and simultaneously forms two-point correspondence with the matching of the taper block 305 to the taper hole 102, so that the insertion and fixation of the limiting block 302 to the outer casing 1 are realized.

In this embodiment, specifically: a through hole 303 is formed in the inner side wall of the injection molding hanging table 3, and a connecting shaft 304 is inserted into the inner side wall of the through hole 303; utilize even axle 304 can be as an organic whole with all the wall platforms 3 of moulding plastics for the staff is more easy to assemble and change and moulds plastics and hang platform 3, and supplementary improvement work efficiency and production quality.

In this embodiment, specifically: an annular groove 203 is formed in the outer surface of the injection molding insert 2, a flange 401 is connected to the inner side wall of the annular groove 203 in a sliding mode, a first partition plate 4 is welded to one side of the flange 401, and the outer surface of the first partition plate 4 is matched with the outer surface of the injection molding insert 2; the first partition plate 4 is matched with the annular groove 203 of the injection mold insert 2 through the flange 401, and meanwhile, the first partition plate 4 is also matched with all the rectangular array injection mold inserts 2 and fills gaps among the first partition plate 4, so that the injection mold inserts 2 are prevented from being inclined, and meanwhile, the production quality is improved in an auxiliary mode.

In this embodiment, specifically: eight second partition plates 5 are welded on the upper surfaces of the four first partition plates 4, and the outer surfaces of the second partition plates 5 are matched with the outer surface of the injection molding insert 2; the eight second partition plates 5 are matched with all the rectangular array injection mold inserts 2 and fill gaps among the injection mold inserts 2, so that the injection mold inserts 2 are prevented from inclining, and meanwhile, the production quality is improved in an auxiliary mode.

In this embodiment, specifically: the outer surface of the second partition plate 5 is provided with two concave grooves 501; the concave groove 501 can help workers to lift the first partition plate 4 and the second partition plate 5 by hands for replacement and installation, and helps to improve the working efficiency and the production quality.

s1, firstly, arranging an injection molding insert 2 in an outer insert shell 1, and then embedding an injection molding hanging table 3 into a tapered hole 102 of the outer insert shell 1 through a tapered structure of the injection molding hanging table, so that the inner side wall of a second glue position 301 is matched with the inner side wall of a first glue position 201, and the rear surface of the outer insert shell 1 is matched through a limiting block 302; the requirement of auxiliary injection molding accuracy is met; all the injection molding hanging platforms 3 can be connected into a whole by using the connecting shaft 304, so that workers can install and replace the injection molding hanging platforms 3 more conveniently, and the work efficiency and the production quality are improved in an auxiliary manner;

s2, loading all the first partition plates 4 and the second partition plates 5 into gaps between the injection mold inserts 2, and enabling the first partition plates 4 and the second partition plates 5 and flanges 401 thereof to be structurally attached to the outer surfaces of the first partition plates 4 and the second partition plates 5 and the structures of the annular grooves 203, so that the injection mold inserts 2 are prevented from being inclined, and meanwhile, the production quality is improved in an auxiliary mode;

s3, during injection molding, a U-shaped groove formed by embedding and connecting the plurality of groups of first glue positions 201 and second glue positions 301 is responsible for large-scale product molding, and the injection molding exhaust requirements can be met through interference fit between the injection molding hanging table 3 and the injection molding insert 2; and taking out the product from the injection molding insert 2 and the first glue position 201 after the product is molded.

In this embodiment, specifically: in S1, the injection platform 3 engages into the conical bore 102 of the outer insert shell 1 by means of the conical structure of its conical block 305.

When the injection molding machine is used, the injection molding of the multiple groups of assembled inserts is realized through the matching among the outer insert shell 1, the multiple groups of injection inserts 2 in the rectangular array and the injection hanging table 3 thereof, and the injection molding is realized through the matching between the first glue position 201 and the second glue position 301; the complicated hanging table of the assembly insert is simplified, meanwhile, the injection molding dense arrangement is realized, and the phenomenon that the space size of a U-shaped part cannot be effectively controlled in the traditional technology is solved;

the injection molding insert 2 and the glue positions of the first glue position 201 and the second glue position 301 of the injection molding hanging table 3 thereof realize more accurate flow direction and molding by utilizing a linear cutting processing mode; the mounting mode of the rectangular array is matched with the tapered hole 102 of the outer insert shell 1 for precision positioning, so that the phenomenon of generating accumulative errors line by line is avoided, and the accumulative errors among a plurality of groups of inserts can be reduced; compared with the prior art, the invention greatly improves the production efficiency and the production precision.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure of assembling with intensive mold insert of high accuracy, includes outer inlay shell (1), its characterized in that: the injection molding structure is characterized in that an injection molding insert (2) is uniformly inserted into the bottom wall of the outer embedding shell (1), two connecting grooves (202) are symmetrically formed in the front surface and the rear surface of the injection molding insert (2), a first glue position (201) is integrally formed on the upper surface and the inner side wall of the injection molding insert (2), a through groove (103) is uniformly formed in the rear surface of the outer embedding shell (1), an injection molding hanging table (3) is inserted into the inner side wall of the through groove (103), a second glue position (301) is uniformly and integrally formed on the upper surface of the injection molding hanging table (3), the inner side wall of the second glue position (301) is matched with the inner side wall of the first glue position (201), the injection molding insert (2) is slidably connected with the outer surface of the injection molding hanging table (3) through the two connecting grooves (202), a cone block (305) is integrally formed on the front surface of the injection molding hanging table (3), a rectangular groove (101) is formed on the front surface of the outer embedding shell (1), a conical hole (102) is formed on the inner side wall of the conical hole (102), the outer side wall of the injection molding hanging table (302) is welded with the outer surface of the limiting block (302), and the outer embedding shell (302) and the limiting block (302) is welded on the outer surface of the outer embedding shell (302), the utility model discloses a mold insert, including through-hole (303), the inside wall of through-hole (303) is pegged graft and is had connecting axle (304), annular groove (203) have been seted up to the surface of the mold insert of moulding plastics (2), the inside wall sliding connection of annular groove (203) has flange (401), one side welding of flange (401) has first division board (4), the surface of first division board (4) with the surface looks adaptation of the mold insert of moulding plastics (2), four the last skin weld of first division board (4) has eight second division boards (5), the surface of second division board (5) with the surface looks adaptation of the mold insert of moulding plastics (2).

2. The built-up structure of the dense insert with high precision according to claim 1, wherein: the outer surface of the second partition plate (5) is provided with two concave grooves (501).

3. A method for building a building structure of a dense insert with high precision according to any one of claims 1 to 2, comprising the steps of:

s1, firstly, arranging an injection molding insert (2) in an outer insert shell (1), and then embedding an injection molding hanging table (3) into a tapered hole (102) of the outer insert shell (1) through a tapered structure of the injection molding hanging table, so that the inner side wall of a second glue position (301) is matched with the inner side wall of a first glue position (201), and the rear surface of the outer insert shell (1) is matched through a limiting block (302);

s2, loading all the first partition plates (4) and the second partition plates (5) into gaps between the injection molding inserts (2), and enabling the first partition plates (4) and the second partition plates (5) and flanges (401) thereof to be structurally attached to the outer surfaces of the first partition plates (4) and the second partition plates (5) and the annular groove (203);

s3, during injection molding, a U-shaped groove formed by embedding and connecting the plurality of groups of first glue positions (201) and second glue positions (301) is responsible for large-scale product molding, and the injection molding exhaust requirements can be met through interference fit between the injection molding hanging table (3) and the injection molding insert (2); and taking out the product from the injection molding insert (2) and the first glue position (201) after the product is molded.

4. The assembling method of the assembling structure of the dense insert with high precision according to claim 3, wherein: in the S1, the injection-molded hanging table (3) is embedded into a conical hole (102) of the outer embedded shell (1) through a conical structure of a conical block (305).