CN206644254U - A kind of injection stamping die of perforated flat plate working of plastics - Google Patents

A kind of injection stamping die of perforated flat plate working of plastics Download PDF

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Publication number
CN206644254U
CN206644254U CN201620975481.2U CN201620975481U CN206644254U CN 206644254 U CN206644254 U CN 206644254U CN 201620975481 U CN201620975481 U CN 201620975481U CN 206644254 U CN206644254 U CN 206644254U
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CN
China
Prior art keywords
plate
injection
die
punch
fixed
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620975481.2U
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Chinese (zh)
Inventor
谢江涛
陈俊
项孝泓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Zhongli Parts Co Ltd
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Wuhu Zhongli Parts Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201620975481.2U priority Critical patent/CN206644254U/en
Application granted granted Critical
Publication of CN206644254U publication Critical patent/CN206644254U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of injection stamping die of perforated flat plate working of plastics, including die ontology, the die ontology is provided with injection portion and pressing part, the die ontology includes fixed base, support column and impression bolster successively from the bottom to top, the impression bolster side is provided with injection die cavities, and opposite side is provided with punching press die cavity;The injection portion includes core plate, solid plate, sprue bush and sprue bush fixed plate, the core plate is engaged with injection die cavities, the stamping die intracavitary is provided with cavity plate, the pressing part includes punch-pin, pressing plate, punch retainer and the punch-pin seat board above cavity plate, and the cavity plate top is provided with the shape keeping plate for sealing for being secured to connection;Mould provided by the utility model, the torsional deformation defect of the flat plastic part of middle with hole can be improved, so as to improve product property.

Description

A kind of injection stamping die of perforated flat plate working of plastics
Technical field
The utility model belongs to mould production technical field, is a kind of injection punching of perforated flat plate working of plastics specifically Pressing mold.
Background technology
Injection molding is that high-temperature fusion plastics are expressed to a kind of method being molded in die cavity, for the flat board of middle with hole For plastic products, after injection molding, interstitial hole position is easily distorted deformation, permits when this torsional deformation amount exceedes Perhaps after error, product defect is reformed into, so as to have influence on the assembling of product, and such defect is not easily repaired, and scrappage is higher, It for this product, due to being limited by structure, can not be improved in structure, therefore consider from the moulding process of product Hand, to reduce torsional deformation amount, improve quality of item.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of injection stamping die of perforated flat plate working of plastics, to improve The torsional deformation of the similar articles such as the flat board moulding of middle with hole, improve quality of item.
To reach above-mentioned purpose, the technical solution adopted in the utility model is:A kind of injection punching of perforated flat plate working of plastics Pressing mold, including die ontology, the die ontology are provided with injection portion and pressing part, and the die ontology wraps successively from the bottom to top Fixed base, support column and impression bolster are included, the impression bolster side is provided with injection die cavities, and opposite side is provided with punching press Die cavity;The injection portion includes core plate, solid plate, sprue bush and sprue bush fixed plate, the core plate and injection die cavities It is engaged, the stamping die intracavitary is provided with cavity plate, and punch-pin, pressing plate, the punch-pin that the pressing part is included above cavity plate are fixed Plate and punch-pin seat board, the cavity plate top are provided with the shape keeping plate for sealing for being secured to connection.
Further, it is connected between the core plate and solid plate by pull bar, the pull bar is provided with pull-rod spring, institute The one end for stating pull bar is fixed in solid plate, and the other end is provided with step.
Further, the punch retainer is fixed in punch-pin seat board bottom.
Further, the both sides of the punch-pin are provided with spring.
Further, the spring is between punch retainer and pressing plate.
Further, the running channel of injection die cavities is communicated with the sprue bush.
Further, push pedal is provided between the fixed base and impression bolster, the injection die cavities pass through multiple tops Material bar is connected with push pedal.
Further, the sprue bush is fixed in sprue bush fixed plate, and the solid plate and sprue bush fixed plate are affixed.
Further, the shape keeping plate for sealing is fixed with cavity plate by screw.
The beneficial effects of the utility model are:The flat plastic part of middle with hole uses the side of single injection-molded mostly Method, and the design is on die ontology by setting injection portion and pressing part, instead of traditional processing technology, using being first molded backlash The mode in hole, so as to avoid the flat part of single injection-molded be distorted in position with holes deformation the defects of, realize marginal not Side punching is moulded, in the case where not influenceing the production efficiency of product, greatly improves the quality of product.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings:
Fig. 1 is overall structure diagram of the present utility model;
Marked in figure:Fixed base 1;Support column 10;Impression bolster 2;Cavity plate 20;Shape keeping plate for sealing 21;Push pedal 22;Die pad 23;Core plate 3;Solid plate 4;Pull bar 40;Pull-rod spring 41;Sprue bush fixed plate 5;Sprue bush 50;Pressing plate 6;Punch-pin 7;Punch-pin Fixed plate 8;Spring 80;Punch-pin seat board 9;Guide pillar 100;Guide pin bushing 110.
Structure of the present utility model and working method are done below in conjunction with the drawings and specific embodiments further details of Explanation.
Embodiment
In order to solve the defects of flat board moulding of middle with hole easy buckling deformation, the design provides a kind of assembling die, Injection molding first is carried out to product, then final finished is made using process for stamping, as shown in figure 1, the one kind provided for the design The structural representation of assembling die, including die ontology, the die ontology are provided with injection portion and pressing part, the injection portion The injection molding to product is realized, the pressing part carries out punching press to product, so as to obtain final finished.
The die ontology is followed successively by fixed base 1, support column 10 and impression bolster 2 from the bottom to top, and die cavity is fixed The right side of plate 2 is provided with injection die cavities, left side is provided with punching press die cavity, that is to say, that the right side of impression bolster 2 is provided with injection portion, a left side Side is provided with pressing part, and described injection portion includes core plate 3, solid plate 4, sprue bush 50 and sprue bush fixed plate 5, the type Core plate 3 is engaged with injection die cavities, is formed the outer surface of injection moulded products, is passed through drawing between the core plate 3 and solid plate 4 Bar 40 is connected, and one end of pull bar 40 is fixed in solid plate 4, and the other end is provided with step, and the pull bar 40 is provided with pull bar bullet Spring 41, under matched moulds state, pull-rod spring 41 is in compressive state, is easy to parting, injection molding is communicated with the sprue bush 50 The running channel of chamber, sprue bush 50 are fixed by screws in sprue bush fixed plate 5, and solid plate 4 is fixed under sprue bush fixed plate 5 End;With injection portion homonymy, and push pedal 22 is additionally provided between fixed base 1 and impression bolster 2, injection die cavities and push pedal 22 Between by ejector beam 23 be connected, the quantity of the ejector beam 23 can be according to the setting of the size reasonable of product, such as the design The quantity of middle ejector beam is two, and the guide pillar 100 and guide pin bushing 110 playing the guiding role are additionally provided between injection portion and die ontology, Simultaneously in injection portion, there are two die joints, it is the first die joint, core plate 3 and type between core plate 3 and solid plate 4 to be respectively It is the second die joint between chamber fixed plate 2;The stamping die intracavitary is provided with cavity plate 20, and the top of cavity plate 20 is provided with and is secured to The positioning to injection moulded products is realized in the shape keeping plate for sealing 21 of connection, the inner chamber of the shape keeping plate for sealing 21, and the pressing part includes being located at Punch-pin 7, pressing plate 6, punch retainer 8 and punch-pin seat board 9 above shape keeping plate for sealing, wherein, punch retainer 8 is fixed in convex mould base The bottom of plate 9, the both sides of punch-pin 7 are provided with spring 80, and the spring 80 is between punch retainer 8 and pressing plate 6.
The design is applied to the flat board moulding of middle with hole, and forming process is now described below:
1st, injection portion in right side is molded:In the presence of injector helical screw agitator, high-temperature fusion plastics by injection portion running channel Pressurize is molded after into injection die cavities, and during die sinking, in the presence of pull-rod spring, the first die joint is opened, core plate and die cavity Fixed plate moves down, and when being displaced downwardly at the step of pull bar lower end, core plate stopping of being obstructed moves down, and impression bolster continues to move down, Second die joint is opened, and now, be can be taken off the plastics in running channel, is easy to injection molding next time;After parting, by ejector beam Product is ejected;
2nd, matched moulds:The product ejected in above-mentioned 1 is positioned in the shape keeping plate for sealing of left side pressing part by manipulator crawl, Zhi Hougu Determine support, support column and impression bolster to move up, injection portion completes matched moulds process, prepares injection molding next time, pressing part Matched moulds completes punch process;
3rd, pressing part punching:During matched moulds, left side pressing part is matched somebody with somebody by punch-pin and cavity plate in above-mentioned 2 injection portion Close, the hole gone out among product, so as to obtain final molding product.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.

Claims (8)

1. a kind of injection stamping die of perforated flat plate working of plastics, including die ontology, it is characterised in that:Set on the die ontology There are injection portion and pressing part, the die ontology is consolidated including fixed base (1), support column (10) and die cavity successively from the bottom to top Fixed board (2), impression bolster (2) side are provided with injection die cavities, and opposite side is provided with punching press die cavity;The injection portion includes type Core plate (3), solid plate (4), sprue bush (50) and sprue bush fixed plate (5), the core plate (3) match with injection die cavities Close, the stamping die intracavitary is provided with cavity plate (20), and the pressing part includes punch-pin (7), the pressing plate above cavity plate (20) (6), punch retainer (8) and punch-pin seat board (9), cavity plate (20) top are provided with the shape keeping plate for sealing for being secured to connection (21)。
A kind of 2. injection stamping die of perforated flat plate working of plastics according to claim 1, it is characterised in that:The punch-pin is consolidated Fixed board (8) is fixed in punch-pin seat board (9) bottom.
A kind of 3. injection stamping die of perforated flat plate working of plastics according to claim 1, it is characterised in that:The punch-pin (7) both sides are provided with spring (80).
A kind of 4. injection stamping die of perforated flat plate working of plastics according to claim 3, it is characterised in that:The spring (80) between punch retainer (8) and pressing plate (6).
A kind of 5. injection stamping die of perforated flat plate working of plastics according to claim 1, it is characterised in that:The sprue bush (50) running channel of injection die cavities is communicated with.
A kind of 6. injection stamping die of perforated flat plate working of plastics according to claim 1, it is characterised in that:The fixed machine Push pedal (22) is provided between seat (1) and impression bolster (2), the injection die cavities pass through multiple ejector beams (23) and push pedal (22) It is connected.
A kind of 7. injection stamping die of perforated flat plate working of plastics according to claim 1, it is characterised in that:The sprue bush (50) it is fixed in sprue bush fixed plate (5), the solid plate (4) and sprue bush fixed plate (5) are affixed.
A kind of 8. injection stamping die of perforated flat plate working of plastics according to claim 1, it is characterised in that:The shape keeping plate for sealing (21) fixed with cavity plate (20) by screw.
CN201620975481.2U 2016-08-29 2016-08-29 A kind of injection stamping die of perforated flat plate working of plastics Expired - Fee Related CN206644254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620975481.2U CN206644254U (en) 2016-08-29 2016-08-29 A kind of injection stamping die of perforated flat plate working of plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620975481.2U CN206644254U (en) 2016-08-29 2016-08-29 A kind of injection stamping die of perforated flat plate working of plastics

Publications (1)

Publication Number Publication Date
CN206644254U true CN206644254U (en) 2017-11-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106182619A (en) * 2016-08-29 2016-12-07 芜湖众力部件有限公司 A kind of injection stamping die of perforated flat plate working of plastics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106182619A (en) * 2016-08-29 2016-12-07 芜湖众力部件有限公司 A kind of injection stamping die of perforated flat plate working of plastics

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171117

Termination date: 20180829

CF01 Termination of patent right due to non-payment of annual fee