CN2680438Y - Improved injection forming machine - Google Patents
Improved injection forming machine Download PDFInfo
- Publication number
- CN2680438Y CN2680438Y CN 200420028395 CN200420028395U CN2680438Y CN 2680438 Y CN2680438 Y CN 2680438Y CN 200420028395 CN200420028395 CN 200420028395 CN 200420028395 U CN200420028395 U CN 200420028395U CN 2680438 Y CN2680438 Y CN 2680438Y
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- injection
- raw material
- lding
- supply device
- molds
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Abstract
The utility model relates to an improved injection forming machine which comprises an injection device, a mould group, a communication duct and a material feed port, wherein, the injection device is provided with an output end which is communicated with the material feed port of the communication duct. The utility model also comprises an injection material supply device, and a mould group for inputting injection material; when the injection material supply device is in injecting feeding process, the material supply device can make the injection material keep a predetermined temperature of liquid. The injection material supply device comprises at least one material containing part for containing and storing injection material and at least one material push part which comprises a fixing component and an impeller which is driven to telescope by the fixing component, and the material push part telescopically moves in the material containing part by the impeller. The communication duct is provided with a material feed port, at least one material push port, at least one discharge port and at least one switch element, the communication duct is used for injection material for flowing and transporting in the injection material supply device. The material push port is communicated with the material containing part; the discharge port is used for outputting the injection material to the injection material supply device, and the switch element is used for controlling the opening and the closing of the discharge port. With the design of the injection material supply device, the utility model can reduce waste material proportion and cause the flow channel between every two die cavities to have approximately same distance.
Description
Technical field
The utility model relates to a kind of device of making preform, relates in particular to a kind ofly to reduce the waste material ratio, and makes the about identical improved injection (mo(u)lding) machine of runner distance between each die cavity.
Background technology
See also shown in Figure 9ly, existing injection (mo(u)lding) machine roughly comprises:
One set of molds 70 comprises one first mould 70A and one second mould 70B;
One cast gate 73 is communicated to this set of molds 70 outsides with these several runners 72;
One injection device 74, with the injection raw material 90 of liquid state by cast gate 73, the die cavity 71 in runner 72 input set of molds 70.
And there is following shortcoming in existing injection (mo(u)lding) machine:
1, waste material ratio height.Suppose that the die cavity volume is V1, and the summation of runner volume is V2, then the waste material ratio is V2/V1; For general injection production, its waste material ratio is about 10%, that is if raw material is 1,000,000 yuan, then its waste material has accounted for 100,000 yuan at least.Except this 100,000 cost in vain the loss, handle this waste material of 100,000 yuan and need other pen cost, this part again, be the quite problems of headache of a lot of integrated mills, especially, if factory is located at the high country of environmental protection condition, then thorny especially in the processing of a large amount waste material.
2, the runner between each die cavity is apart from difference.In a set of molds, from cast gate die cavity farthest, its runner that is to say apart from cast gate also farthest, the injection raw material runner farthest of will flowing through in set of molds, just can enter in the die cavity farthest, simultaneously, also must etc. the injection raw material all flow in farthest the die cavity and after foaming finishes, but just die sinking, and during this period, the injection raw material in the nearest die cavity of cast gate then may be after foaming again the high temperature because of set of molds flaw appears.
Because the kind of injection raw material is a lot, add the demand of toning, and must sneak into how different raw materials, relative impurity also the more, and impurity more than one allows the injection raw material when flowing into different die cavity through long runner, and the obstruct that is subjected to is also bigger, therefore be easy to cause the die cavity (for example flexibility is excessive or corner too much) of part to fail to be full of fully the injection raw material, also cause faulty materials.
The utility model content
In order to overcome the above-mentioned shortcoming that existing injection (mo(u)lding) machine exists, the utility model provides a kind of improved injection (mo(u)lding) machine, and it can reduce the waste material ratio by the design of an injection feedstock supply unit, and makes the runner distance between each die cavity approximately identical.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of improved injection (mo(u)lding) machine comprises injection device, set of molds, transmission road, charging aperture, and wherein injection device is provided with an output, this output and the feeding inlet of transmitting the road; It is characterized in that, also comprise: an injection feedstock supply unit, it imports a set of molds with an injection raw material, this injection feedstock supply unit is in injecting the process of feed, can allow this injection raw material keep a liquid predetermined temperature, it comprises: at least one material containing part stores the injection raw material for holding; At least one pusher portion comprises that a fixture and is subjected to the impeller that this fixture drives and generation is flexible, and this pusher portion is with this impeller expanding-contracting action in described material containing part; Described transmission road has a charging aperture, at least one pusher mouth, at least one discharging opening and at least one switch element, and this transmission road flows in described injection feedstock supply unit for the injection raw material and transmits; This pusher mouth is to communicate with described material containing part; This discharging opening is to export described injection feedstock supply unit to for the injection raw material; This switch element is that this discharging opening of control opens or closes.
Aforesaid improved injection (mo(u)lding) machine, wherein material containing part, pusher mouth, discharging opening and switch element all are made as four.
Aforesaid improved injection (mo(u)lding) machine, wherein pusher portion is made as an oil pressure structure.
Aforesaid improved injection (mo(u)lding) machine, wherein switch element is to be made as an oil gear.
Aforesaid improved injection (mo(u)lding) machine, wherein set of molds comprises one first mould and one second mould, and at least one die cavity is established in this set of molds inside, and this die cavity is to communicate with described discharging opening with a runner.
Aforesaid improved injection (mo(u)lding) machine, wherein die cavity and runner all are made as four.
The beneficial effects of the utility model are that it can reduce the waste material ratio by the design of an injection feedstock supply unit, and makes the runner distance between each die cavity approximately identical.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a preferred embodiment fragmentary cross-sectional view of the present utility model
Fig. 2 is a part-structure vertical view of the present utility model
Fig. 3 is a part-structure schematic diagram of the present utility model
Fig. 4 is a primary structure schematic perspective view of the present utility model
Fig. 5 is a course of action schematic diagram one of the present utility model
Fig. 6 is a course of action schematic diagram two of the present utility model
Fig. 7 is a course of action schematic diagram three of the present utility model
Fig. 8 is that die sinking of the present utility model and finished product take out schematic diagram
Fig. 9 is existing shaping machine structure schematic diagram
Injection feedstock supply unit 10 material containing parts 11
Pusher portion 12 fixtures 121
Impeller 122 transmission roads 13
Discharging opening 133 switch elements 134
Set of molds 30,70 first mould 30A, 70A
The second mould 30B, 70B die cavity 31
Runner 32,72 injection raw materials 90
Die cavity 71 cast gates 73
The specific embodiment
The utility model is to be a kind of improved injection (mo(u)lding) machine, sees also Fig. 1 to shown in Figure 4, and it comprises:
1, an injection feedstock supply unit 10, be to be used for an injection raw material 90 inputs one set of molds 30, and this injection feedstock supply unit 10 is being injected the process of feed, can allow this injection raw material 90 (cooperation is consulted shown in Figure 6) keep liquid predetermined temperature in whole process, this injection feedstock supply unit 10 comprises:
At least one material containing part 11 (preferred embodiment of the present utility model is four) is to hold for this injection raw material 90 to store;
At least one pusher portion 12 (preferred embodiment of the present utility model is four), for example be made as an oil pressure structure, this pusher portion 12 has a fixture 121 and and is subjected to this impeller 122 that fixture 121 drives and generation is flexible, and this pusher portion 12 is with this impeller 122 expanding-contracting action in this material containing part 11;
One transmission road 13, have a charging aperture 131, at least one pusher mouth 132 (preferred embodiment of the present utility model is four), at least one discharging opening 133 (preferred embodiment of the present utility model is four) and at least one switch element 134 (preferred embodiment of the present utility model is four), this transmission road 13 is to flow in injection raw material transmitting device 10 for this injection raw material 90 to transmit;
Above-mentioned pusher mouth 132 communicates with this material containing part 11;
Above-mentioned discharging opening 133 is to export injection feedstock supply unit 10 to for this injection raw material 90;
Above-mentioned switch element 134 for example is made as an oil gear, and this switch element 134 is these discharging opening 133 ON/OFF of control;
2, an injection device 20, it is provided with an output 21, and this output 21 is to communicate with the charging aperture 131 in transmission road 13, like this, will inject raw material 90 these injection feedstock supply units 10 of input by this output 21;
3, set of molds 30 comprises one first mould 30A and one second mould 30B, and these set of molds 30 inside are provided with at least one die cavity 31 (preferred embodiment of the present utility model is four), and allows this die cavity 31 communicate with this discharging opening 133 with a runner 32.
It is as described below that the utility model is applied to injection molding process:
See also Fig. 1 and shown in Figure 5, at first, drive this injection feedstock supply unit 10, should transmission road 13 by its interlock.
See also bin stock action shown in Figure 6, start this injection device 20, to be the injection raw material 90 that elevated temperature heat is melted state by its output 21, by this this transmission road 13 of charging aperture 131 inputs, and continue in the process in this transmission road 13 of input at this injection raw material 90, this injection raw material 90 can flow into material containing part 11 by this pusher mouth 132, and then with this injection raw material 90 hydraulic pressure, promote to move on this impeller 122 through this pusher mouth 132, after the injection raw material 90 with scheduled volume is temporary in this injection feedstock supply unit 10, stop the action of these injection device 20 these injection raw materials 90 of injection, and this moment, this injection raw material 90 melted state for heat, and stored in transmission road 13 and material containing part 11.
Afterwards, carry out material extrusion action as shown in Figure 7, open switch element 134 (promptly moving on this switch element 134) this moment, pusher portion 12 presses down simultaneously, make the discharging opening 133 of this injection raw material 90 by this transmission road 13, through the runner 32 of this set of molds 30, the die cavity 31 of input set of molds 30, again this switch element 134 is moved down at last and close, finish the action that shoots material.
See also shown in Figure 8 again, behind the die cavity 31 of these injection raw material 90 input set of molds 30, treat that this injection raw material 90 is in die cavity 31 behind the cooling forming, the first mould 30A of this set of molds 30 is separated with the second mould 30B, again the injection raw material 90 (being finished product) of the formed solid die cavity 31 by this set of molds 30 is taken out, promptly finish injection moulding processing.
That is, by design of the present utility model, suppose in this material containing part 10 and this transmission road 13, store the injection raw material 90 (the injection raw material 90 of 50 units altogether) of 40 units and 10 units respectively, then inject feedstock supply unit 10 in injection molding process because of this, be to keep a predetermined temperature (a for example predetermined high temperature), when so the injection raw material 90 of this 50 unit exists in this injection feedstock supply unit 10, be to present with inner identical at this injection device 20, even mobile better liquid state.
Relend pressurization by impeller 122,40 units in this material containing part 11, mobile splendid liquid state injection raw material 90 can be imported its die cavity 31 respectively completely via the runner 32 of this set of molds 30, just be equivalent to allow this injection raw material 90 with the splendid liquid state of plasticity, by this injection feedstock supply unit 10, be input in this die cavity 31 (certain through its transmission road 13 " directly ", still be positioned at the 10 units injections raw material 90 of these 13 inside, transmission road, be still be in available liquid state) solid-state castoff of almost not injecting raw material 90 produces.
The utlity model has following advantage:
1, the waste material ratio is low.Injection feedstock supply unit of the present utility model is to be located on the injection (mo(u)lding) machine, and in injection molding process, being in one for a long time can allow the injection raw material keep liquid predetermined temperature, so, to inject raw material when this injection device imports in this injection feedstock supply unit and when storing, can't influence the availability and the flowability of this injection raw material.
Especially, this set of molds communicates with the discharging opening in this transmission road with extremely short runner, thus can be described as almost do not inject raw material can be at the die cavity of this set of molds curing molding in addition, that is, produce waste material hardly.
2, the distance of the runner between each die cavity is approximately identical.Design with injection feedstock supply unit of the present utility model, allow the approximately runner of same distance of each die cavity, communicate with this discharging opening, and because of each runner distance approximately identical, so, no matter from the far away or near die cavity of injection device, its injection distance injected of raw material and time are all approximately the same, get rid of existing injection (mo(u)lding) machine and may differ and cause faulty materials because of shoot material inequality or the time of shooting material.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. an improved injection (mo(u)lding) machine comprises injection device, set of molds, transmission road, charging aperture, and wherein injection device is provided with an output, this output and the feeding inlet of transmitting the road; It is characterized in that, also comprise: an injection feedstock supply unit, it imports a set of molds with an injection raw material, and this injection feedstock supply unit comprises: at least one material containing part stores the injection raw material for holding;
At least one pusher portion comprises that a fixture and is subjected to the impeller that this fixture drives and generation is flexible, and this pusher portion is with this impeller expanding-contracting action in described material containing part;
Described transmission road has a charging aperture, at least one pusher mouth, at least one discharging opening and at least one switch element; This pusher mouth is to communicate with described material containing part; This discharging opening is to export described injection feedstock supply unit to for the injection raw material; This switch element is that this discharging opening of control opens or closes.
2. improved injection (mo(u)lding) machine according to claim 1 is characterized in that described material containing part, pusher mouth, discharging opening and switch element all are made as four.
3. improved injection (mo(u)lding) machine according to claim 1 is characterized in that described pusher portion is made as an oil pressure structure.
4. improved injection (mo(u)lding) machine according to claim 1 and 2 is characterized in that described switch element is to be made as an oil gear.
5. improved injection (mo(u)lding) machine according to claim 1 is characterized in that described set of molds comprises one first mould and one second mould, and at least one die cavity is established in this set of molds inside, and this die cavity is to communicate with described discharging opening with a runner.
6. improved injection (mo(u)lding) machine according to claim 5 is characterized in that described die cavity and runner all are made as four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420028395 CN2680438Y (en) | 2004-02-23 | 2004-02-23 | Improved injection forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420028395 CN2680438Y (en) | 2004-02-23 | 2004-02-23 | Improved injection forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2680438Y true CN2680438Y (en) | 2005-02-23 |
Family
ID=34607159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420028395 Expired - Fee Related CN2680438Y (en) | 2004-02-23 | 2004-02-23 | Improved injection forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2680438Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102844168A (en) * | 2010-05-14 | 2012-12-26 | 赫斯基注塑***有限公司 | Mold-tool system including retractable-support assembly to reduce support force to runner assembly |
-
2004
- 2004-02-23 CN CN 200420028395 patent/CN2680438Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102844168A (en) * | 2010-05-14 | 2012-12-26 | 赫斯基注塑***有限公司 | Mold-tool system including retractable-support assembly to reduce support force to runner assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |