CN203818484U - Injection mould for automatically cutting injection pouring gate - Google Patents
Injection mould for automatically cutting injection pouring gate Download PDFInfo
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- CN203818484U CN203818484U CN201420273009.5U CN201420273009U CN203818484U CN 203818484 U CN203818484 U CN 203818484U CN 201420273009 U CN201420273009 U CN 201420273009U CN 203818484 U CN203818484 U CN 203818484U
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Abstract
The utility model relates to an injection mould for automatically cutting an injection pouring gate. The injection mould comprises a fixed mould and a movable mould, wherein mould cavities are formed in the parting surfaces of the fixed mould and the movable mould; a main runner is arranged on the fixed mould; a material cutting needle, a push plate, a reset rod and an ejection spring are arranged on the movable mould; when the fixed mould and the movable mould are in mould assembly, the reset rod pushes the push plate to reset, and the ejection spring is in the compression state and is used for forwards ejecting the push plate; the front end of the material cutting needle adopts a cutting edge structure that is used for cutting the injection pouring gate along the outer walls of the mould cavities. The injection mould can automatically segment a product and a runner stub bar when the movable mould separates from the fixed mould; the product is smooth and flat in an injection moulding pouring point and almost free from cutting traces, the quality of the product is greatly improved, the production efficiency of the product is effectively increased, the manufacturing cost is effectively lowered, and the market competitiveness of the product is improved.
Description
Technical field
The utility model relates to a kind of injection mold, refers to especially the injection mold that always automatically excises injection gate.
Background technology
A sprue of existing injection mold is all the plastics of several die cavity supply molten conditions, and die cavity is full of after plastics, makes the cooling formation shaped article of plastics of molten condition by the effect of cooling water channel.There is following problems in the production that existing injection mold carries out product: the one,, a plurality of products that sprue supply plastics are produced connect as one (the partly plastic condensation in plastics and the sprue in a plurality of subflows road forms this runner stub bar jointly) by runner stub bar, need at least one individual to cut one by one so that product separates with runner stub bar after formed product; Cut and need specific scissors, and cut effect for improving, this scissors need to carry out heat treated, and this has just improved industrial injury and fire risk; In addition, this cuts operation needs certain duration, and this has restricted the raising of production efficiency; Cut in process product and runner stub bar easily contaminated, affect the quality that the secondary of runner stub bar uses; And cutting process and also can improve the defect rate of product, these all make production cost comparatively high.The 2nd; after product and runner stub bar separation circuit; product external surfaces often can be stayed injection gate vestige or the burr of next white; this not only affects the overall flatness of product external surfaces and the outward appearance of product; and user exists the potential safety hazard of being stabbed by burr while using, this quality with regard to product has reduced certain class.The 3rd,, therefore integrated injection molding machine is also difficult to realize automated production, is unfavorable for the market competition of product.
Summary of the invention
The utility model provides a kind of injection mold of automatic excision injection gate, carry out aggregate separated operation with the need of production that overcomes the product that existing injection mold exists, production efficiency is low, and production cost is high, the problems such as product external surfaces exists burr, and product quality is low.
The utility model adopts following technical scheme:
Automatically the injection mold of excision injection gate, comprise the fixed half and moving half cooperatively interacting, the die joint of fixed half and moving half is provided with die cavity, die cavity is provided with injection port, cover half is provided with sprue, this sprue is communicated with this injection port, and this dynamic model is provided with blank pin, push pedal, release link and ejector spring, and the rear end of this blank pin and the rear end of this release link are all fixedly assemblied in this push pedal; When this cover half and this dynamic model matched moulds, this release link promotes this push pedal and resets, and this ejector spring is in compressive state, and this ejector spring is for ejecting forward this push pedal; This blank pin front end is edge structure, this edge structure for along described die cavity outer wall excise injection gate.
Closer:
Above-mentioned blank pin front end forms above-mentioned edge structure by vertical plane and wedge surface, and this vertical plane is parallel with fore-and-aft direction, and the angle of this wedge surface and this vertical plane is 30～75 °, and preferably the angle of this wedge surface and this vertical plane is 69 °.The above-mentioned vertical plane of above-mentioned blank pin front end is provided with translot, and the angle of this translot cell wall and this vertical plane is 3～8 °, and preferably the angle of translot cell wall and vertical plane is 5 °.
The die joint of above-mentioned fixed half and moving half is provided with a plurality of above-mentioned die cavitys, each this die cavity is equipped with an above-mentioned injection port, each this injection port rear is equipped with respectively an above-mentioned blank pin, and each this injection port is communicated with above-mentioned sprue by a sub-runner respectively.
In above-mentioned dynamic model, be provided with ejector beam and liftout plate; The rear end of this ejector beam is fixedly assemblied on this liftout plate, and above-mentioned ejector spring is located between this liftout plate and above-mentioned push pedal; The front end of this ejector beam is provided with beloid cold slug well, and this cold slug well is communicated with above-mentioned sprue.
Injection machine, comprises main body and is assemblied in push-pull mechanism, the control device of this main body, and this push-pull mechanism seesaws for push-and-pull dynamic model, and this control device is used for controlling this injection machine and moves according to the order of sequence; Also comprise above-mentioned injection mold and feeding system, ejecting mechanism, manipulator mechanism, connect material bucket and conveyer belt; This feeding system is for the plastics to this injection mold supply molten condition; This ejecting mechanism is for promoting forward above-mentioned liftout plate; This manipulator mechanism connects material in bucket for product is transferred on this conveyer belt and runner stub bar is transferred to this.
From the above-mentioned description to the utility model structure, compared to the prior art, the utlity model has following advantage: injection mold of the present utility model automatically carries out cutting by product and runner stub bar in the time that dynamic model separates with cover half, the injection moulding of product water locate smooth, leave hardly excision vestige, effectively reduce the probability of happening that user uses product to be stabbed by burr, the quality of product has also obtained good lifting, has improved the competitiveness of product in market; In addition, after injection mold injection moulding completes, by manipulator, product and runner stub bar are transferred to assigned address simultaneously, whole injection moulding process does not need artificial participation, this had both improved the yield rate of product, also can runner stub bar not produced and be polluted, ensure the product quality that material quality when runner stub bar secondary utilizes and secondary utilize, improve the utilization rate of raw material; In addition, injection machine of the present utility model has been realized the automated production of product, and production efficiency has improved 20～30%, and production cost (cost of labor, cost of material, production efficiency improve and other factors) has at least reduced by 45%; Finally, injection mold structure of the present utility model is simple, but very practical, and failure rate is low can bring good economic benefit to enterprise, improves the market competitiveness of enterprise.
Brief description of the drawings
Fig. 1 is the left TV structure schematic diagram of injection mold of the present utility model.
Fig. 2 is the enlarged drawing of the local A in Fig. 1.
Fig. 3 is the plan structure schematic diagram of dynamic model of the present utility model.
Fig. 4 is the left TV structure schematic diagram that uses the injection machine of injection mold of the present utility model.
Fig. 5 is the plan structure schematic diagram that uses the injection machine of injection mold of the present utility model.
Detailed description of the invention
Detailed description of the invention of the present utility model is described with reference to the accompanying drawings.
With reference to Fig. 1, Fig. 3, automatically excise the injection mold of injection gate, this injection mold 1 comprises the cover half 11 and the dynamic model 12 that cooperatively interact.The die joint of cover half 11 and dynamic model 12 is provided with a plurality of die cavitys 10, and each this die cavity 10 is equipped with an injection port 100.Cover half 11 is provided with sprue 13, and each this injection port 100 is communicated with this sprue 13 by a sub-runner 14 respectively.This dynamic model 12 is made up of mould bases 121 and blank pin 122, push pedal 123, release link 124, ejector spring 125, ejector beam 126 and the liftout plate 127 of being located at these mould bases 121 inside, and the rear end of the rear end of this blank pin 122 and this release link 124 is all fixedly assemblied in this push pedal 123.Ejector spring 125 is located between this liftout plate 127 and above-mentioned push pedal 123, when this cover half 11 and this dynamic model 12 matched moulds, this release link 124 promotes this push pedal 123 and resets, and this ejector spring 125 is in compressive state, and this ejector spring 125 is for ejecting forward this push pedal 123.The rear end of this ejector beam 126 is fixedly assemblied on this liftout plate 127, and the front end of this ejector beam 126 is provided with beloid cold slug well 120, and this cold slug well 120 is communicated with above-mentioned sprue 13.These blank pin 122 front ends are the edge structure being made up of vertical plane 12a and wedge surface 12b, the vertical plane 12a of the front end of this blank pin 122 pasting this die cavity outer wall excise injection gate (injection gate refers to the coupling part of product and runner stub bar), this edge structure for along described die cavity outer wall excise injection gate.This vertical plane 12a is parallel with fore-and-aft direction, the included angle B of this wedge surface 12b and this vertical plane 12a is 30～75 °, preferably the included angle B of this wedge surface 12b and this vertical plane 12a is 69 °, the shape of this vertical plane 12a and die cavity 10 lateral walls match in the shape at these injection port 100 places, excise injection gate to leave no trace.With reference to Fig. 2, the above-mentioned vertical plane 12a of above-mentioned blank pin 122 front ends is provided with translot 128, and a cell wall 12c of this translot 128 and the angle C of this vertical plane 12a are 3～8 °, and preferably this cell wall 12c of translot 128 and the angle C of vertical plane 12a are 5 °; The setting of this translot 128 is blade in order to reduce blank pin 122 front ends and the contact area of product, and the excision face that makes injection gate is more level and smooth and there is no burr.
Injection machine, as shown in Figure 4, Figure 5, it comprises main body 2 and is assemblied in push-pull mechanism 3, the control device of this main body 2, and this push-pull mechanism 3 seesaws for push-and-pull dynamic model 12, and this control device is used for controlling this injection machine and moves according to the order of sequence.Also comprise above-mentioned injection mold 1 and feeding system 4, ejecting mechanism 5, manipulator mechanism 6, bucket 7 and conveyer belt 8 connects material.This feeding system 4 is for supplying the plastics of molten condition to this injection mold 1.Ejecting mechanism 5 comprises knock-pin 51 and hydraulic cylinder 52, and what hydraulic cylinder 52 was knock-pin 51 advances or retreat provides power, and this ejecting mechanism 5 is for promoting forward above-mentioned liftout plate 127.This manipulator mechanism 6 comprises sucking disc mechanism and clamping device, this sucking disc mechanism is for holding the product in die cavity 10, clamping device is for runner stub bar is clamped, as shown in the arrow that manipulator mechanism 6 is labeled as d for the transmission direction that product is transferred to this conveyer belt 8(conveyer belt 8 as Fig. 5 points to) upper and runner stub bar is transferred to this connects material in bucket 7.
The working method of this injection machine is: with reference to Fig. 1, Fig. 3, Fig. 4, Fig. 5, under the control of control device, push-pull mechanism 3 promotes this dynamic model 12 and cover half 11 matched moulds, feeding system 4 heats at least one raw material, make raw material under molten condition, feeding system 4 quantitatively by sprue 13 and subflow road 14 to the interior plastics that inject molten condition of several die cavitys 10 on die joint simultaneously, plastics are full of after die cavity 10, cooling system is to die cavity 10 and sprue 13, subflow road 14 carries out cooling processing, the plastics cooling forming of molten condition forms product and runner stub bar.Push-pull mechanism 3 pulls dynamic model 12 to move backward, along with dynamic model 12 and the increasing gradually in the gap of the die joint of cover half 11, release link 124 progressively reduces the active force of push pedal 123, ejector spring 125 promotes forward push pedal 123, push pedal 123 drives blank pin 122 to move forward, blank pin 122 touches and further cuts off product along the outer wall of die cavity 10 and is connected with the one of runner stub bar, and the two is separated, and the junction of product and runner stub bar is injection gate.Under the effect of push pedal 123, blank pin 122 continues to move forward and extend to the outside of mould bases 121.Now, product is because the effect of negative pressure can still be stayed in die cavity 10, because ejector beam 126 front ends are provided with cold slug well 120, so feeding system 4 is in the time carrying out injection moulding, in cold slug well 120, also can be full of plastics, in cooling rear cold slug well 120, form a hook formation and held by ejector beam 126, can not drop so runner stub bar can be stayed on dynamic model 12.Manipulator mechanism 6 after stretching into die joint is caught product and runner stub bar; The rear wall of mould bases 121 is provided with a through hole 129, the knock-pin 51 of ejecting mechanism 5 moves forward through this through hole 129 and promotes forward liftout plate 127, liftout plate 127 drives ejector beam 126 to move forward, manipulator mechanism 6 also synchronously moves forward, ejector beam 126 is just no longer held runner stub bar after extending to die joint, (product place also can arrange second ejector beam product is ejected to die cavity 10, and this second ejector beam is also fixedly installed on liftout plate 127); Product and runner stub bar are transferred to assigned address by manipulator mechanism 6 further action simultaneously.Push-pull mechanism 3 promotes this dynamic model 12 and resets, in this process, release link 124 can contact with cover half 11 at first, and under the effect of cover half 11, promotes backward this release link 124, and then promote push pedal 123 and liftout plate 127 and reset, this complete injection operation once.
Above are only detailed description of the invention of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.
Claims (6)
1. automatically excise the injection mold of injection gate, comprise the fixed half and moving half cooperatively interacting, the die joint of fixed half and moving half is provided with die cavity, die cavity is provided with injection port, cover half is provided with sprue, this sprue is communicated with this injection port, it is characterized in that: described dynamic model is provided with blank pin, push pedal, release link and ejector spring, and the rear end of this blank pin and the rear end of this release link are all fixedly assemblied in this push pedal; When this cover half and described dynamic model matched moulds, this release link promotes this push pedal and resets, and this ejector spring is in compressive state, and this ejector spring is for ejecting forward this push pedal; This blank pin front end is edge structure, this edge structure for along described die cavity outer wall excise injection gate.
2. the injection mold of automatic excision injection gate as claimed in claim 1, it is characterized in that: described blank pin front end forms described edge structure by vertical plane and wedge surface, this vertical plane is parallel with fore-and-aft direction, and the angle of this wedge surface and this vertical plane is 30～75 °.
3. the injection mold of automatic excision injection gate as claimed in claim 2, is characterized in that: the described vertical plane of described blank pin front end is provided with translot, and the angle of this translot cell wall and this vertical plane is 3～8 °.
4. the injection mold of automatic excision injection gate as claimed in claim 2, is characterized in that: the described wedge surface of described blank pin front end and the angle of described vertical plane are 69 °.
5. the injection mold of automatic excision injection gate as claimed in claim 1, it is characterized in that: the die joint of described fixed half and moving half is provided with a plurality of described die cavitys, each this die cavity is equipped with a described injection port, each this injection port rear is equipped with respectively a described blank pin, and each this injection port is communicated with described sprue by a sub-runner respectively.
6. the injection mold of automatic excision injection gate as claimed in claim 1, is characterized in that: in described dynamic model, be provided with ejector beam and liftout plate; The rear end of this ejector beam is fixedly assemblied on this liftout plate, and described ejector spring is located between this liftout plate and described push pedal; The front end of this ejector beam is provided with beloid cold slug well, and this cold slug well is communicated with described sprue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273009.5U CN203818484U (en) | 2014-05-27 | 2014-05-27 | Injection mould for automatically cutting injection pouring gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273009.5U CN203818484U (en) | 2014-05-27 | 2014-05-27 | Injection mould for automatically cutting injection pouring gate |
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| Publication Number | Publication Date |
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| CN203818484U true CN203818484U (en) | 2014-09-10 |
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| CN201420273009.5U Active CN203818484U (en) | 2014-05-27 | 2014-05-27 | Injection mould for automatically cutting injection pouring gate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978639A (en) * | 2014-05-27 | 2014-08-13 | 泉州华硕实业有限公司 | Injection mold for automatically cutting off injection gate |
| CN105965785A (en) * | 2016-07-06 | 2016-09-28 | 健大电业制品（昆山）有限公司 | Injection mold capable of automatically cutting off material head |
| CN106141193A (en) * | 2016-08-29 | 2016-11-23 | 河源富马硬质合金股份有限公司 | A kind of compacting tool set of carbide blade |
| CN106426824A (en) * | 2016-12-22 | 2017-02-22 | 东莞烨嘉电子科技有限公司 | Automatic nozzle cutting injection molding device |
| CN114248405A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding device convenient for material taking |
-
2014
- 2014-05-27 CN CN201420273009.5U patent/CN203818484U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978639A (en) * | 2014-05-27 | 2014-08-13 | 泉州华硕实业有限公司 | Injection mold for automatically cutting off injection gate |
| CN105965785A (en) * | 2016-07-06 | 2016-09-28 | 健大电业制品（昆山）有限公司 | Injection mold capable of automatically cutting off material head |
| CN106141193A (en) * | 2016-08-29 | 2016-11-23 | 河源富马硬质合金股份有限公司 | A kind of compacting tool set of carbide blade |
| CN106426824A (en) * | 2016-12-22 | 2017-02-22 | 东莞烨嘉电子科技有限公司 | Automatic nozzle cutting injection molding device |
| CN114248405A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding device convenient for material taking |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 362000 Jiangnan Torch Industrial Zone, Licheng District, Quanzhou, Fujian Patentee after: Jiaheng Jahwa Limited by Share Ltd Address before: 362000 Jiangnan Torch Industrial Zone, Licheng District, Quanzhou, Fujian Patentee before: Quanzhou Huashuo Industrial Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |