CN213107924U

CN213107924U - Multi-opening precision forming die for square groove type injection piece

Info

Publication number: CN213107924U
Application number: CN202021524971.3U
Authority: CN
Inventors: 李吴完
Original assignee: Shenzhen Jinhuilai Plastic Products Co ltd
Current assignee: Shenzhen Jinhuilai Plastic Products Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-05-04
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a multi-opening precision forming die for square groove type injection, which comprises a base, a lower template, an upper template and a positioning component for fixing the lower template and the upper template; the lower template is arranged on the upper surface of the base in a sliding mode, the upper surface of the lower template is provided with an injection groove, the lower surface of the upper template is provided with an injection die head suitable for the injection groove, and when the lower template is assembled in place, the inner side wall of the injection groove and the outer side wall of the injection die head form an injection molding cavity together; the lower template comprises a left section mould and a right section mould tightly attached to the left section mould, the adjacent ends of the upper surfaces of the left section mould and the right section mould are respectively provided with a groove communicated with each other, the two grooves form an injection groove, after injection molding is completed, the positioning assembly is moved away, the upper template is moved away, at the moment, the left section mould and the right section mould on the base are separated towards the opposite direction, and an injection piece can be taken out.

Description

Multi-opening precision forming die for square groove type injection piece

Technical Field

The utility model relates to an accurate mould technical field, in particular to a many open type accurate forming die who is used for square groove formula to annotate piece.

Background

At present traditional mould all adopts the mode of oscilaltion to open and shut, and then takes out the notes piece after the shaping from the die cavity, but meet when needs shaping outside surface is that the curved surface is alive there is bellied part, for injection moulding, the inner wall of the die cavity of moulding plastics also is the dysmorphism structure of curved surface thereupon, if adopt the mould of traditional mode of opening and shutting from top to bottom this moment, annotate the piece can block and can't take out notes the piece in the mould die cavity the inside, adopt the mould of traditional mode of opening and shutting from top to bottom under this kind of condition and can't satisfy the production requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide a many open type precision forming die that is used for square groove formula to annotate piece, this many open type precision forming die that is used for square groove formula to annotate piece can solve above-mentioned problem well.

In order to meet the above requirements the utility model provides a technical scheme that its technical problem adopted is:

the multi-opening precision forming die for the square groove type injection piece comprises a base, a lower template, an upper template and a positioning assembly for fixing the lower template and the upper template; the lower template is arranged on the upper surface of the base in a sliding mode, the upper surface of the lower template is provided with an injection groove, the lower surface of the upper template is provided with an injection die head matched with the injection groove, and when the lower template is assembled in place, the inner side wall of the injection groove and the outer side wall of the injection die head form an injection molding cavity together; the lower template comprises a left section mould and a right section mould which is tightly attached to the left section mould, the adjacent ends of the upper surfaces of the left section mould and the right section mould are respectively provided with a groove which is communicated with each other, and the two grooves form the injection groove.

The utility model discloses a many open types precision forming mould for square cell formula notes spare, wherein, the locating component includes locating plate and roof; the lower die plate is fixed in the positioning groove through a plurality of positioning columns, the positioning columns penetrate through the positioning plate, and positioning holes matched with the positioning columns are formed in the base.

A accurate forming die of many types of opening for piece is annotated to square cell formula, wherein, be equipped with the confession on the base the gliding spout of lower bolster, the lower bolster is equipped with two, two the lower bolster sets up side by side in the spout, the spout with two lower bolster array direction vertically two inside walls communicate the side surface of base.

A many open type precision molding moulds for piece is annotated to square cell formula, wherein, each all be equipped with a plurality ofly on the lower bolster annotate the piece groove.

A many open type precision forming mould for piece is annotated to square cell formula, wherein, two be equipped with the parting strip between the lower bolster.

A accurate forming die of many types of opening for piece is annotated to square groove formula, wherein, be equipped with the well runner that supplies to annotate the material circulation on the locating plate, be equipped with the closing plate on the upper surface of locating plate, the roof is located on the upper surface of closing plate, be equipped with on the roof with the last runner of well runner intercommunication, be equipped with on the upper plate with the lower runner of well runner intercommunication, the discharge end intercommunication of runner down annotate the outside surface of piece die head.

A many open type precision forming mould for piece is annotated to square cell formula, wherein, left side section mould is close to the both ends of the one end lateral wall of right side section mould are equipped with one respectively and end a arch, be equipped with the adaptation two on the lateral wall of right side section mould end two bellied ending position recesses.

The beneficial effects of the utility model reside in that: the utility model discloses a many types of opening precision forming mould that is used for square groove formula to annotate piece, the completion of moulding plastics waits to annotate a cooling back, put aside locating component, and then put aside the cope match-plate pattern, only need separate towards opposite direction with the left side section mould and the right side section mould that are located on the base this moment, alright will annotate the piece and take out, compare down, traditional mould is when the notes piece that the side surface is not level and smooth curved surface is being moulded plastics to needs, traditional upper and lower mode of opening and shutting can only let annotate a part and expose, the great position of the side surface internal diameter of annotating the piece can block in the type of moulding plastics intracavity, and this scheme becomes two types of mould that can divide-shut with the lower bolster split, ingenious these shortcomings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is an explosion diagram of the multi-open type precision molding die for square groove type injection piece of the utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is another view of the explosion diagram of the multi-open type precision molding mold for square groove type injection.

Figure 4 is the utility model discloses a many open type precision molding moulds's for square groove formula notes piece plan view.

Fig. 5 is a sectional view a-a of fig. 4.

Fig. 6 is a sectional view B-B of fig. 4.

Fig. 7 is an enlarged view at B in fig. 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The utility model discloses a many open type precision forming mould that is used for square cell formula notes piece of preferred embodiment, as shown in fig. 1-7, including base 1, lower bolster 2, cope match-plate pattern 3, and be used for fixed lower bolster and cope match-plate pattern's locating component 4; the lower template is arranged on the upper surface of the base in a sliding mode, the upper surface of the lower template is provided with an injection groove 5 which is square and meets the requirement of the shape of an injection, the lower surface of the upper template is provided with an injection die head 6 which is suitable for the injection groove, the corresponding injection die head is also square, and when the lower template is assembled in place, the inner side wall of the injection groove and the outer side wall of the injection die head form an injection molding cavity 7 together; the lower template 2 comprises a left mould 201 and a right mould 202 closely attached to the left mould, the adjacent ends of the upper surfaces of the left mould and the right mould are respectively provided with a groove which is communicated with each other, and the two grooves form an injection groove, the utility model discloses a multi-opening precision forming mould for a square groove type injection piece, after the injection is completed and the injection piece is cooled, a positioning component is moved away, and then the upper template is moved away, at the moment, the left mould and the right mould which are positioned on a base are separated towards the opposite direction, the injection piece can be taken out, compared with the prior art, when the injection piece with the side surface which is not a smooth curved surface is required to be injected by the traditional mould, for example, the injection piece with the non-rotating body symmetrical structure type, the traditional up-down opening and closing mode can only inject the rotating body structure type, the position with the side surface inner diameter larger than other positions of the injection piece can be clamped in the injection mould cavity, and the lower template, the defects of the traditional mould are ingeniously avoided.

Preferably, the positioning assembly 4 includes a positioning plate 41 and a top plate 42; be equipped with the constant head tank 8 that is used for fixing a position lower bolster and cope match-plate pattern on the lower surface of locating plate, the cope match-plate pattern passes through fixed column 9 to be fixed in the constant head tank, be equipped with a plurality of reference columns 10 on the roof, the reference column runs through the locating plate, be equipped with the locating hole 11 of adaptation reference column on the base, the constant head tank can be surely fixed cope match-plate pattern and lower bolster, prevent that the two from taking place the displacement when moulding plastics, and the reference column can firmly fix locating plate and base, not light can with prevent that the locating plate from removing, can also.

Preferably, the base is provided with two sliding grooves 12 for the lower templates to slide, the two lower templates are arranged in the sliding grooves side by side, and two inner side walls of the sliding grooves, which are vertical to the arrangement direction of the two lower templates, are communicated with the side surfaces of the base so as to facilitate sliding the left section die and the right section die transversely after the injection molding.

Preferably, each lower template is provided with a plurality of injection grooves to improve the production efficiency.

Preferably, be equipped with the parting bead 13 between two lower templates, prevent that two lower templates from bumping, also play and prevent that two lower templates move towards each other and then lead to moulding plastics the skew.

Preferably, a middle flow channel 14 for flowing of the injection material is arranged on the positioning plate, a sealing plate 15 is arranged on the upper surface of the positioning plate, a top plate is arranged on the upper surface of the sealing plate, an upper flow channel 16 communicated with the middle flow channel is arranged on the top plate, a lower flow channel 17 communicated with the middle flow channel is arranged on the upper plate, and the discharge end of the lower flow channel is communicated with the outer side surface of the injection die head, so that the plastic is conveniently injected into the cavity; generally, for the convenience of processing, a plurality of intersecting plastic drainage channels are arranged on the upper surface of the positioning plate, and channels are arranged on the corresponding positions of the drainage channels on the positioning plate to communicate with the flow channels on the upper template, so that the plastic is drained to the corresponding cavities.

Preferably, two ends of the side wall of one end of the left die close to the right die are respectively provided with a stop protrusion 18, the side wall of the right die is provided with two stop grooves 19 matched with the two stop protrusions, and the stop protrusions and the stop grooves are matched to prevent the left die and the right die from moving relatively during injection molding.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A multi-opening precision forming die for a square groove type injection piece is characterized by comprising a base, a lower template, an upper template and a positioning assembly for fixing the lower template and the upper template; the lower template is arranged on the upper surface of the base in a sliding mode, the upper surface of the lower template is provided with an injection groove, the lower surface of the upper template is provided with an injection die head matched with the injection groove, and when the lower template is assembled in place, the inner side wall of the injection groove and the outer side wall of the injection die head form an injection molding cavity together; the lower template comprises a left section mould and a right section mould which is tightly attached to the left section mould, the adjacent ends of the upper surfaces of the left section mould and the right section mould are respectively provided with a groove which is communicated with each other, and the two grooves form the injection groove.

2. The multi-opening precision molding die for square groove type injection molding according to claim 1, wherein the positioning assembly comprises a positioning plate and a top plate; the lower die plate is fixed in the positioning groove through a plurality of positioning columns, the positioning columns penetrate through the positioning plate, and positioning holes matched with the positioning columns are formed in the base.

3. The multi-opening precision forming die for the square groove type injection piece according to claim 2, wherein the base is provided with two sliding grooves for the lower templates to slide, the two lower templates are arranged in the sliding grooves side by side, and two inner side walls of the sliding grooves, which are perpendicular to the arrangement direction of the two lower templates, are communicated with the side surfaces of the base.

4. The multi-opening precision forming die for square-shaped groove type injection pieces as claimed in claim 3, wherein each lower template is provided with a plurality of injection piece grooves.

5. The multi-opening precision forming die for the square groove type injection part according to claim 3, wherein a separation strip is arranged between the two lower templates.

6. The multi-opening precision forming die for square groove type injection pieces according to claim 4, wherein the positioning plate is provided with a middle flow passage for the circulation of injection materials, the upper surface of the positioning plate is provided with a sealing plate, the top plate is arranged on the upper surface of the sealing plate, the top plate is provided with an upper flow passage communicated with the middle flow passage, the upper plate is provided with a lower flow passage communicated with the middle flow passage, and the discharge end of the lower flow passage is communicated with the outer side surface of the injection piece die head.

7. The multi-opening precision forming die for the square-groove-type injection part according to claim 1, wherein two ends of the side wall of one end of the left die close to the right die are respectively provided with a stop protrusion, and the side wall of the right die is provided with two stop grooves adapted to the two stop protrusions.