CN203739120U - Centralized feeding device for injection molding - Google Patents
Centralized feeding device for injection molding Download PDFInfo
- Publication number
- CN203739120U CN203739120U CN201420098488.1U CN201420098488U CN203739120U CN 203739120 U CN203739120 U CN 203739120U CN 201420098488 U CN201420098488 U CN 201420098488U CN 203739120 U CN203739120 U CN 203739120U
- Authority
- CN
- China
- Prior art keywords
- feed
- feeding
- pipe
- discharging
- feed pipe
- Prior art date
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 239000000463 materials Substances 0.000 claims abstract description 25
- 239000003570 air Substances 0.000 claims abstract description 11
- 238000010079 rubber tapping Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 210000002356 Skeleton Anatomy 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 229920003023 plastics Polymers 0.000 description 10
- 239000004033 plastics Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000000034 methods Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002699 waste materials Substances 0.000 description 2
- 208000002925 Dental Caries Diseases 0.000 description 1
- 238000010521 absorption reactions Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000012141 concentrates Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 239000006052 feed supplements Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injections Substances 0.000 description 1
- 239000000843 powders Substances 0.000 description 1
- 239000002994 raw materials Substances 0.000 description 1
- 239000000243 solutions Substances 0.000 description 1
Abstract
Description
Technical field
The utility model belongs to mould of plastics feed technical field, relates in particular to a kind of injection moulding and concentrates pay-off.
Background technology
Mould of plastics is very conventional in production now, and according to forming principle, mould of plastics can be divided into several classes such as injection mould, compression molding, transfer die.No matter which class Mold for Plastics, all needs feed system to carry out feeding, feed system is sent into die cavity by molten plastic or molding powder according to step, standard, then the needed product of moulding.Due to the production of plastic product, a multi-cavity mold or multiple mould are worked simultaneously often, therefore, the device that also can often design some and multiple die cavitys are carried out feeding simultaneously, but, these pay-offs are in the efficiency of feeding, the aspects such as harmony tend to exist some obvious defects, and, in the time of needs dosing, can not accomplish by tentatively to material be all provided in final mould, therefore the degree of accuracy of actual feeding coal is limited, and, due to the not enough of actual feeding coal or too much, will cause again feeding in raw material or going material, cause the waste of the resources such as electric power, if and go in material process recovering effect bad, be prone to loss, lack the feature of environmental protection.
Utility model content
The utility model is in order to overcome the deficiency that in prior art, the aspect such as isostasy, material amount accuracy of mould of plastics pay-off when to multiple die cavity feed is short of to some extent, the pay-off of isostasy, material amount accuracy and the feature of environmental protection when a kind of energy effective guarantee feed efficiency, feed are provided.
To achieve these goals, the utility model is by the following technical solutions:
Pay-off is concentrated in a kind of injection moulding, comprise feed portion, feeding dispenser, described feed portion comprises feed tank, big up and small down trapezoidal of described feed tank lower section, described feed portion is provided with quantitative tapping equipment, described quantitative tapping equipment comprises the feed opening interconnecting, punishment in advance portion, discharging portion, described discharging portion is in the below of punishment in advance portion, described punishment in advance portion is provided with the on-off valve for controlling the punishment in advance portion material amount of flowing through, described feed opening one side is provided with discharge gate, described discharge gate is provided with end cap, described end cap is fixedly covered tightly on discharge gate by wing nut, described discharging portion comprises an air inlet and a discharging opening, described air inlet is provided with screen pack, described discharging opening towards contrary with feed opening place one side, described feeding dispenser comprises feed pipe, connect the feed-inputing branched pipe of feed pipe, described feed-inputing branched pipe is provided with some feed pipes for feeding, described feed pipe outer end all connects to be then used in provides the negative-pressure vacuum of feeding suction pump, described feed pipe docks with discharging opening, described feed pipe, feed-inputing branched pipe, in feed pipe, be equipped with spiral steel-wire carcass.
As preferably, described on-off valve is magnetic valve.Be beneficial to the interval time of controlling break-make, good stability.
As preferably, described feed pipe is vertical, the position of described feed-inputing branched pipe and feed pipe tie point along near feed pipe to raising one by one away from the direction of feed pipe.From feed pipe more away from, the charging degree of depth is just larger relatively, carry out suitable making up by feed-inputing branched pipe and feed pipe tie point height different, thereby ensureing that true length that each feed pipe is exported to feed pipe differs can be not excessive, each overpressure while ensureing simultaneously unblank of feed-inputing branched pipe work, duty are comparatively balanced, safeguard work process stable.
The beneficial effects of the utility model are: can utilize negative pressure fast the plastics of initial given material amount to be sucked to each die cavity, and not be interrupted in process, operating efficiency is high; When feed, the true length of each pipeline is more or less the same, and therefore can ensure that the suction of each pipeline is approaching and enough, so harmonious good; When feed, after preliminary feed completes, can continue suction, ensure that all material can enter die cavity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the quantitative tapping equipment of the utility model;
Fig. 3 is the left view of the quantitative tapping equipment of the utility model;
Fig. 4 is the top view of the quantitative tapping equipment of the utility model.
In figure: feed portion 1, feed tank 11, feeding dispenser 2, feed pipe 21, feed-inputing branched pipe 22, feed pipe 23, quantitative tapping equipment 3, feed opening 31, discharge gate 311, end cap 312, wing nut 313, punishment in advance portion 32, on-off valve 321, discharging portion 33, air inlet 331, discharging opening 332, screen pack 333.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As Fig. 1, Fig. 2, Fig. 3, in embodiment shown in Fig. 4, pay-off is concentrated in a kind of injection moulding, comprise feed portion 1, feeding dispenser 2, described feed portion 1 comprises feed tank 11, big up and small down trapezoidal of described feed tank 11 lower section, described feed portion 1 is provided with quantitative tapping equipment 3, described quantitative tapping equipment 3 comprises the feed opening 31 interconnecting, punishment in advance portion 32, discharging portion 33, described discharging portion 33 is in the below of punishment in advance portion 32, described punishment in advance portion 32 is provided with the on-off valve 321 for controlling the punishment in advance portion 32 material amounts of flowing through, described feed opening 31 1 sides are provided with discharge gate 311, described discharge gate 311 is provided with end cap 312, described end cap 312 is fixedly covered tightly on discharge gate 311 by wing nut 313, described discharging portion 33 comprises an air inlet 331 and a discharging opening 332, described air inlet 331 is provided with screen pack 333, described discharging opening 332 towards contrary with feed opening 31 place one sides, described feeding dispenser 2 comprises feed pipe 21, connect the feed-inputing branched pipe 22 of feed pipe 21, described feed-inputing branched pipe 22 is provided with some feed pipes 23 for feeding, described feed pipe 23 outer ends all connect to be then used in provides the negative-pressure vacuum of feeding suction pump, described feed pipe 21 docks with discharging opening 332, described feed pipe 21, feed-inputing branched pipe 22, in feed pipe 23, be equipped with spiral steel-wire carcass.Described on-off valve 321 is magnetic valve.Described feed pipe 23 is vertical, and described feed-inputing branched pipe 22 and the position of feed pipe 23 tie points are along close feed pipe 21 to raising one by one away from the direction of feed pipe 21.
When feed, magnetic valve is opened, feed tank 11 starts feed, now negative-pressure vacuum pump is also started working, suck portion of air from air inlet 331, remaining suction is for being drawn onto the molten plastic in feed tank 11 below of punishment in advance portion 32 and passing through feed pipe 21, feed-inputing branched pipe 22, feed pipe 23 enters die cavity, continue to open to after setting-up time until magnetic valve, by its disconnection, now, just completed the control of preliminary feeding coal by the control of magnetic valve breakdown time, it is comparatively accurate from feed tank 11 material amount out to ensure, then, negative-pressure vacuum pump works on, now, air continues to enter through filter screen 333, remain in discharging portion 33, feed pipe 21, feed-inputing branched pipe 22, plastics in feed pipe 23 are continued to suck in die cavity, until all suck, therefore can ensure that all preliminary feeds all can enter in final die cavity, avoid lack material and without feed supplement, prevent the waste of the resources such as electric power, the feature of environmental protection is good.And be equipped with spiral steel-wire carcass in feed pipe 21, feed-inputing branched pipe 22, feed pipe 23, ensure that feed pipe 21, feed-inputing branched pipe 22, feed pipe 23 can adopt elastomeric material to make, it is flat that the existence of steel-wire carcass can not inhaled these pipelines, but there is certain deformability, be out of shape to prevent defective material absorption by continuous vibrations, further ensure that all material can enter die cavity, maintain higher feed accuracy.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098488.1U CN203739120U (en) | 2014-03-05 | 2014-03-05 | Centralized feeding device for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098488.1U CN203739120U (en) | 2014-03-05 | 2014-03-05 | Centralized feeding device for injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203739120U true CN203739120U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098488.1U CN203739120U (en) | 2014-03-05 | 2014-03-05 | Centralized feeding device for injection molding |
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| Country | Link |
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| CN (1) | CN203739120U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365171A (en) * | 2015-10-29 | 2016-03-02 | 芜湖市万华塑料制品有限公司 | Feeding device for injection mold |
| CN105904685A (en) * | 2016-04-27 | 2016-08-31 | 芜湖市万华塑料制品有限公司 | Concentrative feeding mechanism for insulating frame injection mold |
| CN105904659A (en) * | 2016-04-27 | 2016-08-31 | 芜湖市万华塑料制品有限公司 | Feeding mechanism for insulating frame injection mold |
-
2014
- 2014-03-05 CN CN201420098488.1U patent/CN203739120U/en active IP Right Grant
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365171A (en) * | 2015-10-29 | 2016-03-02 | 芜湖市万华塑料制品有限公司 | Feeding device for injection mold |
| CN105904685A (en) * | 2016-04-27 | 2016-08-31 | 芜湖市万华塑料制品有限公司 | Concentrative feeding mechanism for insulating frame injection mold |
| CN105904659A (en) * | 2016-04-27 | 2016-08-31 | 芜湖市万华塑料制品有限公司 | Feeding mechanism for insulating frame injection mold |
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| C14 | Grant of patent or utility model | ||
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