CN202155995U - Thin wall injection molding movable mold and thin wall injection molding mold - Google Patents
Thin wall injection molding movable mold and thin wall injection molding mold Download PDFInfo
- Publication number
- CN202155995U CN202155995U CN2011201745935U CN201120174593U CN202155995U CN 202155995 U CN202155995 U CN 202155995U CN 2011201745935 U CN2011201745935 U CN 2011201745935U CN 201120174593 U CN201120174593 U CN 201120174593U CN 202155995 U CN202155995 U CN 202155995U
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- dynamic model
- injection molding
- thin
- thin wall
- push pedal
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
An embodiment of the utility model discloses a thin wall injection molding movable mold and a thin wall injection molding mold, which belong to the technical field of injection molding technology and are capable of realizing thin wall injection molding with low cost. The thin wall injection molding movable mold comprises a movable mold main insert and a push plate sleeved on the movable mold main insert. The thin wall injection molding mold comprises the movable mold and a fixed mold, wherein the movable mold comprises the movable mold main insert and the push plate sleeved on the movable mold main insert, and the fixed mold comprises a cavity plate. The thin wall injection molding movable mold and the thin wall injection molding mold are applied to thin wall injection molding.
Description
Technical field
The utility model belongs to the injection molding technology field, is specifically related to a kind of thin-walled injection moulding dynamic model and thin-walled injection moulding mould.
Background technology
Present injecting products is for weight reduction, reduction materials cost, and the wall thickness of product is more and more thinner.Injecting products generally includes matched moulds, injection melt, cooling, die sinking taking-up product in the process of injection mo(u)lding.Because the restriction of stream length/thickness ratio, common injection mold is difficult to carry out the thin-walled injection moulding moulding.
Present thin-walled injection moulding moulding normally utilizes special-purpose high speed injection machine to realize, plastic melt injects mold cavity with very high speed and realizes bigger stream length/thickness ratio, but special-purpose high speed injection machine cost is too high.
The utility model content
The utility model embodiment provides a kind of thin-walled injection moulding dynamic model and thin-walled injection moulding mould, can be with implemented with low cost thin-walled injection moulding moulding.
For achieving the above object, the embodiment of the utility model adopts following technical scheme:
This thin-walled injection moulding dynamic model comprises dynamic model master edge, and is set in the push pedal that said dynamic model master tumbles in.
This thin-walled injection moulding mould comprises dynamic model and cover half, and wherein said dynamic model comprises dynamic model master edge, and is set in the push pedal that said dynamic model master tumbles in; Said cover half comprises cavity plate.
When preliminary matched moulds; Keep a predetermined distance between dynamic model master edge and the cavity plate, and utilization is set in the push pedal that the dynamic model master tumbles in, enclosed cavity of formation between dynamic model master edge, cavity plate and push pedal; Be used to inject melt; Carry out the matched moulds second time again, reduce the volume of enclosed cavity, to compress melt until final molding.Because thickness and the volume of enclosed cavity during than the injecting products final molding is bigger; So the internal stress of melt in enclosed cavity is littler, reduced the restriction of stream length/thickness ratio, melt can be evenly distributed in the enclosed cavity more; When the secondary matched moulds, just can realize the thin-walled injection moulding moulding.
Compared with prior art, the technique scheme that the utility model provided has following advantage: utilize common injection machine just can realize the thin-walled injection moulding moulding, and need not to utilize special-purpose high speed injection machine, thereby reduced the realization cost of thin-walled injection moulding moulding.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the thin-walled injection moulding dynamic model that embodiment provided of the utility model;
Fig. 2 is the position-time plot of dynamic model master edge and screw in injection molding machine among the embodiment of the utility model;
Fig. 3 is the structural representation of the thin-walled injection moulding mould that embodiment provided of the utility model;
Fig. 4 is the structural representation of the thin-walled injection moulding mould that embodiment provided when injecting melt of the utility model;
Fig. 5 is the thin-walled injection moulding mould that embodiment provided of the utility model structural representation behind the matched moulds for the second time.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not paying creative work belongs to the scope that the utility model is protected.
Embodiment 1:
Thin-walled injection moulding dynamic model as shown in Figure 1, that the utility model embodiment provides comprises that the dynamic model master inlays 1, and is set in the dynamic model master and inlays the push pedal 2 on 1.As a preferred version, the thin-walled injection moulding dynamic model also comprises the oil cylinder 3 that links to each other with push pedal 2; Said oil cylinder 3 links to each other with face needle plate 4, and face needle plate 4 links to each other with push pedal 2 through push rod 5.Can certainly replace oil cylinder with cylinder, its effect is the same.
The concrete steps of injection mo(u)lding are:
S1: promote the dynamic model master inlay 1 to cavity plate near, until the dynamic model master inlay 1 and cavity plate between reach preset distance;
S2: promote to be set in the dynamic model master inlay on 1 push pedal 2 to cavity plate near,, inlay 1 the dynamic model master, form enclosed cavity between cavity plate and the push pedal 2 against living cavity plate until push pedal 2;
S3: in enclosed cavity, inject melt;
S4: promote once more the dynamic model master inlay 1 to cavity plate near, plastic melt is compressed until final molding.
At preliminary matched moulds; When being S1; The dynamic model master inlay 1 and cavity plate between keep a predetermined distance, utilize the driving force of oil cylinder 3 that face needle plate 4 is travelled forward, face needle plate 4 promotes to be set in the dynamic model master indirectly through push rod 5 and inlays the push pedal 2 on 1;, inlay 1 the dynamic model master, form an enclosed cavity between cavity plate and the push pedal 2 against living cavity plate until push pedal 2.In enclosed cavity, inject melt, carry out the matched moulds second time afterwards again, i.e. S4 reduces the volume of enclosed cavity, with the compression melt until final molding.Certainly, the mode that forms enclosed cavity also can be, promotes push pedal 2 earlier, promote together again the dynamic model master inlay 1 with push pedal 2,, inlay 1 the dynamic model master, form enclosed cavity between cavity plate and the push pedal 2 against living cavity plate until push pedal 2.
Because thickness and the volume of enclosed cavity during than the injecting products final molding is bigger; So the internal stress of melt in enclosed cavity is littler, reduced the restriction of stream length/thickness ratio, melt can be evenly distributed in the enclosed cavity more; When the secondary matched moulds, just can realize the thin-walled injection moulding moulding.Utilize common injection machine just can realize the thin-walled injection moulding moulding, and need not to use special-purpose high speed injection machine, thereby reduced the realization cost of thin-walled injection moulding moulding.
Among the utility model embodiment, in the process of injection melt in enclosed cavity, beginning promote once more dynamic model master edge to cavity plate near, plastic melt is compressed until final molding; And the finish time of injection melt in enclosed cavity, promote once more dynamic model master edge to cavity plate near process in.
Position-the time graph of dynamic model master edge and screw in injection molding machine is as shown in Figure 2, and t1 is the moment that first matched moulds finishes constantly, simultaneously screw in injection molding machine setting in motion, i.e. start injection melt; T2 in injection melt process in enclosed cavity begins matched moulds for the second time constantly; T3 in second time matched moulds matched moulds process constantly, screw in injection molding machine stop motion, the release of injection melt in enclosed cavity; T4 is the moment that the second time, matched moulds finished constantly.
Injection melt and matched moulds for the second time exist in time one section overlapping, can improve the continuity of whole injection molding process like this, thereby avoid product surface to produce current mark.
Embodiment 2:
Thin-walled injection moulding mould as shown in Figure 3, that the utility model embodiment provides comprises dynamic model and cover half, and wherein dynamic model comprises that the dynamic model master inlays 1, and is set in the dynamic model master and inlays the push pedal 2 on 1; Cover half comprises cavity plate 6.As a preferred version, dynamic model also comprises the oil cylinder 3 that links to each other with push pedal 2; Said oil cylinder 3 links to each other with face needle plate 4, and face needle plate 4 links to each other with push pedal 2 through push rod 5.Can certainly replace oil cylinder with cylinder, its effect is the same.
The concrete steps of injection mo(u)lding are:
S1: promote the dynamic model master inlay 1 to cavity plate 6 near, until the dynamic model master inlay 1 and cavity plate 6 between reach preset distance;
S2: promote to be set in the dynamic model master inlay on 1 push pedal 2 to cavity plate 6 near,, inlay 1 the dynamic model master, form enclosed cavity between cavity plate 6 and the push pedal 2 against living cavity plate until push pedal 2;
S3: in enclosed cavity, inject melt;
S4: promote once more the dynamic model master inlay 1 to cavity plate 6 near, plastic melt is compressed until final molding.
When preliminary matched moulds; The dynamic model master inlay 1 and cavity plate 6 between keep a predetermined distance, utilize the driving force of oil cylinder 3 that face needle plate 4 is travelled forward, face needle plate 4 promotes to be set in the dynamic model master indirectly through push rod 5 and inlays the push pedal 2 on 1; Until push pedal 2 against living cavity plate 6; Inlay 1 the dynamic model master, form an enclosed cavity between cavity plate 6 and the push pedal 2, and in enclosed cavity, inject melt, as shown in Figure 4.Carry out the matched moulds second time afterwards again, reduce the volume of enclosed cavity,, as shown in Figure 5 with the compression melt until final molding.Certainly, the mode that forms enclosed cavity also can be, promotes push pedal 2 earlier, promote together again the dynamic model master inlay 1 with push pedal 2,, inlay 1 the dynamic model master, form enclosed cavity between cavity plate 6 and the push pedal 2 against living cavity plate 6 until push pedal 2.
Because thickness and the volume of enclosed cavity during than the injecting products final molding is bigger; So the internal stress of melt in enclosed cavity is littler, reduced the restriction of stream length/thickness ratio, melt can be evenly distributed in the enclosed cavity more; When the secondary matched moulds, just can realize the thin-walled injection moulding moulding.Utilize common injection machine just can realize the thin-walled injection moulding moulding, and need not to use special-purpose high speed injection machine, thereby reduced the realization cost of thin-walled injection moulding moulding.
Among the utility model embodiment, in the process of injection melt in enclosed cavity, beginning promote once more dynamic model master edge to cavity plate near, plastic melt is compressed until final molding; And the finish time of injection melt in enclosed cavity, promote once more dynamic model master edge to cavity plate near process in.
Position-the time graph of dynamic model master edge and screw in injection molding machine is as shown in Figure 2, and t1 is the moment that first matched moulds finishes constantly, simultaneously screw in injection molding machine setting in motion, i.e. start injection melt; T2 in injection melt process in enclosed cavity begins matched moulds for the second time constantly; T3 in second time matched moulds matched moulds process constantly, screw in injection molding machine stop motion, the release of injection melt in enclosed cavity; T4 is the moment that the second time, matched moulds finished constantly.
Injection melt and matched moulds for the second time exist in time one section overlapping, can improve the continuity of whole injection molding process like this, thereby avoid product surface to produce current mark.
Because the utility model embodiment has identical technical characterictic with the thin-walled injection moulding dynamic model that above-mentioned the utility model embodiment is provided, so also can produce identical technique effect, solves identical technical problem.
The above; Be merely the specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claim.
Claims (6)
1. a thin-walled injection moulding dynamic model is characterized in that: comprise dynamic model master edge, and be set in the push pedal that said dynamic model master tumbles in.
2. thin-walled injection moulding dynamic model according to claim 1 is characterized in that: also comprise the oil cylinder or the cylinder that link to each other with said push pedal.
3. thin-walled injection moulding dynamic model according to claim 2 is characterized in that: said oil cylinder or cylinder link to each other with the face needle plate, and said needle plate links to each other with said push pedal through push rod.
4. a thin-walled injection moulding mould is characterized in that: comprise dynamic model and cover half, wherein
Said dynamic model comprises dynamic model master edge, and is set in the push pedal that said dynamic model master tumbles in;
Said cover half comprises cavity plate.
5. thin-walled injection moulding mould according to claim 4 is characterized in that: said dynamic model also comprises oil cylinder or the cylinder that links to each other with said push pedal.
6. thin-walled injection moulding mould according to claim 5 is characterized in that: said oil cylinder or cylinder link to each other with the face needle plate, and said needle plate links to each other with said push pedal through push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201745935U CN202155995U (en) | 2011-05-27 | 2011-05-27 | Thin wall injection molding movable mold and thin wall injection molding mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201745935U CN202155995U (en) | 2011-05-27 | 2011-05-27 | Thin wall injection molding movable mold and thin wall injection molding mold |
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| Publication Number | Publication Date |
|---|---|
| CN202155995U true CN202155995U (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201745935U Expired - Lifetime CN202155995U (en) | 2011-05-27 | 2011-05-27 | Thin wall injection molding movable mold and thin wall injection molding mold |
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| CN (1) | CN202155995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241103A (en) * | 2011-05-27 | 2011-11-16 | 海尔集团公司 | Thin-wall injection molding method, thin-wall injection molding movable die and thin-wall injection mold |
-
2011
- 2011-05-27 CN CN2011201745935U patent/CN202155995U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241103A (en) * | 2011-05-27 | 2011-11-16 | 海尔集团公司 | Thin-wall injection molding method, thin-wall injection molding movable die and thin-wall injection mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210111 Address after: 266101 Haier Road, Qingdao hi tech Industrial Park, Shandong Province (inside Haier Industrial Park) Patentee after: QINGDAO HAIER MOLDS Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, hi tech park, Laoshan District, Shandong, Qingdao Patentee before: HAIER GROUP Co.,Ltd. Patentee before: QINGDAO HAIER MOLDS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
|
| CX01 | Expiry of patent term |