CN201604267U - Injection mold capable of automatically cutting off waste materials - Google Patents

Injection mold capable of automatically cutting off waste materials Download PDF

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Publication number
CN201604267U
CN201604267U CN2009202745013U CN200920274501U CN201604267U CN 201604267 U CN201604267 U CN 201604267U CN 2009202745013 U CN2009202745013 U CN 2009202745013U CN 200920274501 U CN200920274501 U CN 200920274501U CN 201604267 U CN201604267 U CN 201604267U
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CN
China
Prior art keywords
slide block
injection mold
die holder
cutting
core rod
Prior art date
Application number
CN2009202745013U
Other languages
Chinese (zh)
Inventor
吴晓东
庄锦强
Original Assignee
东莞市旭通达模具塑胶有限公司
深圳康佳精密模具制造有限公司
东莞康佳模具塑胶有限公司
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
Application filed by 东莞市旭通达模具塑胶有限公司, 深圳康佳精密模具制造有限公司, 东莞康佳模具塑胶有限公司 filed Critical 东莞市旭通达模具塑胶有限公司
Priority to CN2009202745013U priority Critical patent/CN201604267U/en
Application granted granted Critical
Publication of CN201604267U publication Critical patent/CN201604267U/en

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Abstract

The utility model discloses an injection mold capable of automatically cutting off waste materials, comprising a mold holder and a mold core arranged on the mold holder, wherein a pouring slot of the mold holder, corresponding to the mold core, is provided with a material cutting device; a driving device capable of driving the material cutting device to carry out material cutting is arranged behind the material cutting device. The injection mold has simple structure, and is provided with the material cutting device and the driving device at the pouring port, thus being capable of automatically cutting off stub bars in injection molding of products, leading molded products not to have pouring gate stub bars, reducing the procedures of post processing, improving production efficiency, having high automation level and small labor intensity, guaranteeing the product quality while saving a great amount of manpower and material resources, and further being beneficial to the development of enterprises.

Description

Automatically excise the injection mold of waste material
Technical field
The utility model relates to mould, particularly a kind of injection mold of automatic excision waste material.
Background technology
Present decorative product or consumption electronic products, major part will rely on mould molding; Especially, along with the development of hyundai electronics industry, product shell miscellaneous all needs mould molding, and the effect of mould also becomes more important, and simultaneously, the optimal design of mould and the improvement of related process also become the higher target that die industry is pursued.
During the moulding of existing injecting products is produced, generally all have the running channel stub bar through the product behind the mould molding, the moulding product that the plastics that this running channel stub bar remains in the fusion in the running channel during for die sinking are ined succession in the mold cavity form, this running channel stub bar generally needs through back procedure for processing removal, the staff places this product that has the running channel stub bar on the tool, through operating this tool to remove the running channel stub bar, after the running channel stub bar is removed, generally can remove the edge and form burr at this, the staff also need repair to remove burr, after removing burr, product is again through inspecting the back packing.So the procedure for processing operation is various behind the product, both needs more manpower, need have again specially for removing the tool that the running channel stub bar designs, and tool damages the phenomenon of product when also regular meeting appears at stub bar.
In view of this, be necessary to provide a kind of equipment, to overcome in the prior art for needing problems such as the various and labour intensity of secondary operations processing procedure operation is big behind the injection mold shaped article again.
The utility model content
The purpose of this utility model is, at the deficiency of above-mentioned existing injection mold, provides a kind of simple in structure, alleviates the injection mold of intensity of workers, operation is few and production efficiency is high automatic excision waste material.
The technical scheme that the utility model is adopted for achieving the above object is:
A kind of injection mold of automatic excision waste material, it comprises that a die holder and is arranged on the core rod on this die holder, pouring slot place in the corresponding described core rod of this die holder is provided with a cutoff device, and is provided with one in this cutoff device rear and can drives the drive unit that it carries out the blank action.
Described cutoff device comprises that a slide block and a head are the cutting knife mold insert of blade-like, this cutting knife mold insert upper end is stretched into watering of described core rod and is expected the inboard, road, the lower end is provided with the oblique chute that a cross section is one " T " font, and be provided with in described slip front and match with this oblique chute, cross section is the obliquity prominence platform of one " T " font, described cutting knife mold insert is vertically set on the obliquity prominence platform of this slide block by oblique chute, and can correspondingly move up and down with sliding before and after the described slide block.
Described drive unit comprises that a support plate and is fixed on the miniature oil cylinder on this support plate, the drive rod of described miniature oil cylinder is connected with described slide block, in described die holder to position that should the slide block trailing flank be provided with one can this miniature oil cylinder work of this control the electronic journey switch.
It also comprises a thimble, and this thimble one end is a wedge shape, and run through that described die holder stretches into described core rod water the material road, and be provided with the strip through hole that can allow this push rod pass in described slide block, the length of this strip through hole is slightly larger than the propelling stroke of described slide block.
The beneficial effects of the utility model are: the utility model is simple in structure, be provided with cutoff device and drive unit at the pouring slot place, the product that can when formed product stub bar be removed after making moulding does not automatically have the running channel stub bar, improved production efficiency, the automaticity height, labour intensity is little, has reduced the operation in the back procedure for processing, when saving lot of manpower and material resources, and guarantee product quality.
Below in conjunction with accompanying drawing and embodiment, the utility model is further specified.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the decomposition texture schematic diagram of Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of cutoff device and drive unit among Fig. 1.
The specific embodiment
Embodiment: see Fig. 1, Fig. 2 and Fig. 3, the injection mold of a kind of automatic excision waste material of the utility model, it comprises that a die holder 2 and is arranged on the core rod 1 on this die holder 2, pouring slot 11 places in these die holder 2 corresponding described core rods 1 are provided with a cutoff device 3, and are provided with one in these cutoff device 3 rears and can drive the drive unit 4 that it carries out the blank action.Described drive unit 4 comprises that a support plate 41 and is fixed on the miniature oil cylinder 42 on this support plate 41, the drive rod 421 of miniature oil cylinder 42 is connected with described slide block 31, in 2 pairs of described die holders should slide block 31 trailing flanks the position be provided with one can these miniature oil cylinder 42 work of this control electronic journey switch 43.Among other embodiment, this miniature oil cylinder 42 can be other drive unit 4, as cylinder, hydraulic press etc.; Described cutoff device 3 comprises that a slide block 31 and a head are the cutting knife mold insert 32 of blade-like, this cutting knife mold insert upper end is stretched into watering of described core rod 1 and is expected the inboard, road, the lower end is provided with the oblique chute 321 that a cross section is one " T " font, and be provided with in described slide block 31 front ends and match with this oblique chute 321, cross section is the obliquity prominence platform 311 of one " T " font, described cutting knife mold insert 32 is vertically set on the obliquity prominence platform 311 of this slide block 31 by oblique chute 321, and can slide and correspondingly move up and down with described slide block 31.It also comprises a push rod 5 that the running channel stub bar can be ejected, these push rod 5 one ends are wedge shape, and what run through that described die holder 2 stretches into described core rod 1 waters the material road, and being provided with the strip through hole that can allow this push rod 5 pass in described slide block 31, the length of this strip through hole is slightly larger than the propelling stroke of described slide block 31.
In the process of producing, molten plastic injects core rod 1 via pouring slot 11, after molten plastic is filled with die cavity, when plastics are curdled appearance but do not solidify fully, electronic journey switch 43 comes signal according to feedback, drive miniature oil cylinder 42 and make slide block 31 to front slide, carry out the blank action thereby force cutting knife mold insert 32 to move upward, then the running channel stub bar on the product in the die cavity is cut off; Subsequently, 43 inductions of electronic journey switch reset miniature oil cylinder 42, drive slide block 31 and slide backward, thereby cutting knife mold insert 32 is resetted; After cooling, the male model of core rod 1 moves down with its master mold and separates, and this moment, push rod 5 moved upward, and by its tapered end the running channel stub bar was come off, and so far finished the production of injecting products.
As the utility model embodiment above-mentioned as described in, adopt other moulds of structure same or similar, all in the utility model protection domain with it.

Claims (4)

1. automatic injection mold of excision waste material, it comprises that a die holder and is arranged on the core rod on this die holder, it is characterized in that, be provided with a cutoff device, and be provided with one in this cutoff device rear and can drive the drive unit that it carries out the blank action in the pouring slot place of the corresponding described core rod of this die holder.
2. the injection mold of automatic excision waste material according to claim 1, it is characterized in that, described cutoff device comprises that a slide block and a head are the cutting knife mold insert of blade-like, this cutting knife mold insert upper end is stretched into watering of described core rod and is expected the inboard, road, the lower end is provided with the oblique chute that a cross section is one " T " font, and be provided with in described slip front and match with this oblique chute, cross section is the obliquity prominence platform of one " T " font, described cutting knife mold insert is vertically set on the obliquity prominence platform of this slide block by oblique chute, and can correspondingly move up and down with sliding before and after the described slide block.
3. the injection mold of automatic excision waste material according to claim 1 and 2, it is characterized in that, described drive unit comprises that a support plate and is fixed on the miniature oil cylinder on this support plate, the drive rod of described miniature oil cylinder is connected with described slide block, in described die holder to position that should the slide block trailing flank be provided with one can this miniature oil cylinder work of this control the electronic journey switch.
4. the injection mold of automatic excision waste material according to claim 1 and 2, it is characterized in that, it also comprises a thimble, this thimble one end is a wedge shape, and what run through that described die holder stretches into described core rod waters the material road, and being provided with the strip through hole that can allow this push rod pass in described slide block, the length of this strip through hole is slightly larger than the propelling stroke of described slide block.
CN2009202745013U 2009-12-01 2009-12-01 Injection mold capable of automatically cutting off waste materials CN201604267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202745013U CN201604267U (en) 2009-12-01 2009-12-01 Injection mold capable of automatically cutting off waste materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202745013U CN201604267U (en) 2009-12-01 2009-12-01 Injection mold capable of automatically cutting off waste materials

Publications (1)

Publication Number Publication Date
CN201604267U true CN201604267U (en) 2010-10-13

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104002427A (en) * 2014-06-08 2014-08-27 广西科技大学 Cleaning tool for rubber remaining on surface of fixed die of injection mold
CN104175504A (en) * 2014-08-06 2014-12-03 嘉兴信元精密模具科技有限公司 In-mould cutting auxiliary mechanism
CN105415608A (en) * 2015-12-23 2016-03-23 平江县职业技术学校 Automatic sprue cut-off device
CN105599238A (en) * 2016-02-17 2016-05-25 上海小糸车灯有限公司 Automatic cutting sprue mechanism of injection mold
WO2017140086A1 (en) * 2016-02-17 2017-08-24 上海小糸车灯有限公司 Automatic sprue cutting mechanism of injection mould
CN111216308A (en) * 2020-04-23 2020-06-02 常源科技(天津)有限公司 Manufacturing device of door handle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104002427A (en) * 2014-06-08 2014-08-27 广西科技大学 Cleaning tool for rubber remaining on surface of fixed die of injection mold
CN104175504A (en) * 2014-08-06 2014-12-03 嘉兴信元精密模具科技有限公司 In-mould cutting auxiliary mechanism
CN105415608A (en) * 2015-12-23 2016-03-23 平江县职业技术学校 Automatic sprue cut-off device
CN105599238A (en) * 2016-02-17 2016-05-25 上海小糸车灯有限公司 Automatic cutting sprue mechanism of injection mold
WO2017140086A1 (en) * 2016-02-17 2017-08-24 上海小糸车灯有限公司 Automatic sprue cutting mechanism of injection mould
CN111216308A (en) * 2020-04-23 2020-06-02 常源科技(天津)有限公司 Manufacturing device of door handle

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101013

Termination date: 20131201