CN102886872A - Plastic-injection mold with forced demolding structure - Google Patents
Plastic-injection mold with forced demolding structure Download PDFInfo
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- CN102886872A CN102886872A CN2012103884950A CN201210388495A CN102886872A CN 102886872 A CN102886872 A CN 102886872A CN 2012103884950 A CN2012103884950 A CN 2012103884950A CN 201210388495 A CN201210388495 A CN 201210388495A CN 102886872 A CN102886872 A CN 102886872A
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- housing
- sliding block
- take
- block
- slider head
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Abstract
The invention relates to a plastic-injection mold with a forced demolding structure. The plastic-injection mold comprises a movable mold plate and a movable mold core arranged on the movable mold plate, wherein a first sliding block head and a second sliding block are embedded on the movable mold core; the tail end of the first sliding block head is provided with a convex block; the tail end of the first sliding block is provided with a sliding block seat; the middle part of the sliding block seat is provided with a cavity body penetrating through the sliding block seat; the convex block of the first sliding block is inserted into the cavity body of the sliding block seat; a stopping block is fixedly arranged at the opening position of the cavity body of the sliding block seat; and a delayed contact distance is formed between the convex block and the stopping block. The plastic-injection mold has the advantages that the structure is simple; the sliding block turns to a pulling core and pulls the side wall of a product to be deformed, so that the fastening positions are separated, the separation of the fastening positions of the product is guaranteed, and the demolding damage or deformation in the ejecting process can not be caused; the cost of the mold is reduced; by adoption of the forced demolding structure, the problem that one product can not realize normal plastic-injection production is solved, and the increase of the cost for mold development, plastic-injection production and product assembly due to disassembly into two products is saved.
Description
Technical field
The present invention relates to technical field of mold, especially a kind of injection mold with Enforced stripping structure.
Background technology
In known technical field, the at present demoulding for the inner button bit of general automobile injecting products mainly realizes loosing core by pitched roof mechanism, vertical direction by injection machine or oil cylinder when mould is produced ejects, make pitched roof mechanism carry out the demoulding that horizontal motion realizes button bit, until goods are deviate from fully.For the injecting products that can not deviate from by common pitched roof mechanism interior button bit, the general structure of change product that adopts realizes.
Adopt the shortcoming of the structure of changing product as follows: (1) cost is high, and a product is split into two parts, needs exploitation two molds, increased the development cost of mould, two injection machines of while need of production, also need has at last increased production cost with two assembling products together.(2) affect outward appearance, a production out can have more beautiful outward appearance, splits into two products, will inevitably the corresponding splicing line of product, lack the effect of overall appearance.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of injection mold with Enforced stripping structure is provided.
The technical solution adopted for the present invention to solve the technical problems is: the injection mold with Enforced stripping structure, comprise moving platen and the moving-mould-core that is installed on the moving platen, be inlaid with the first slider head and the second slider head at described moving-mould-core, the tail end of described the first slider head has protruding block, tail end at described the first slide block is provided with take-up housing, and the middle part of described take-up housing has the cavity that runs through take-up housing, the protruding block of described the first slide block inserts in the cavity of take-up housing, opening part at the cavity of described take-up housing is installed with block, be provided with between described protruding block and the block and postpone to contact distance, tilt at described take-up housing and to be provided with at least one T-shaped groove, in described T-shaped groove, be slidingly fitted with the second slider head, the tail end of described take-up housing also is provided with protruding fixed block, and described protruding fixed block is fixedly connected with moving-mould-core.
Further, for so that take-up housing and the first slider head are more smooth when the demoulding, the present invention is provided with the first latch described in described the first slider head, and cover has pre-compressed spring on described the first latch, is provided with fixed block at the afterbody of described latch.
Further, more smooth when the demoulding for take-up housing, the present invention is provided with the second latch in described bottom at described take-up housing, and cover has pre-compressed spring on described the second latch.
Further, in order to limit the maximum moving distance of take-up housing, the present invention is fixed with limited block in described direction of loosing core along described take-up housing and at moving platen.
Further, as a kind of concrete form, the present invention has two T-shaped grooves at described take-up housing, is separately installed with the second slider head and the 3rd slider head in two T-shaped grooves.
The invention has the beneficial effects as follows: the present invention is simple in structure, turns to loose core and spur product sidewall distortion by slide block button bit is deviate from, and guarantees that the goods button bit deviates from, and can not produce to take off in ejection process and hinder or distortion; Reduced die cost, adopted this to take off by force structure and solved the problem that goods can't realize that normal injection moulding is produced, saved and split into two products and cause the cost of mould development, injection moulding production and goods assembling to increase.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is cross-sectional view of the present invention.
Fig. 2 is the cross-sectional view of the take-up housing among the present invention.
Fig. 3 is the plan structure schematic diagram of the take-up housing among the present invention.
Fig. 4 is the cross-sectional view of the 3rd slider head among the present invention.
Fig. 5 is the cross-sectional view of the second slider head among the present invention.
Among the figure: 1. moving platen, 2. moving-mould-core, 3. the first slider head, 3-1. protruding block, 3-2. the first latch, 3-3. fixed block, 4. take-up housing, 4-1. cavity, 4-2. block, 4-3.T type groove, 4-4. protruding fixed block, 4-5. the second latch, 5. the second slider head, 6. limited block, 7. the 3rd slider head.
The specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and the present invention shown in Figure 5 have a kind of embodiment of the injection mold of Enforced stripping structure, comprise moving platen 1 and the moving-mould-core 2 that is installed on the moving platen 1, be inlaid with the first slider head 3 and the second slider head 5 at moving-mould-core 2, the tail end of the first slider head 3 has protruding block 3-1, tail end at the first slide block 3 is provided with take-up housing 4, and the middle part of take-up housing 4 has the cavity 4-1 that runs through take-up housing 4, the protruding block 3-1 of the first slide block 3 inserts in the cavity 4-1 of take-up housing 4, opening part at the cavity 4-1 of take-up housing 4 is installed with block 4-2, be provided with between protruding block 3-1 and the block 4-2 and postpone to contact distance, specifically can regulate according to actual conditions, tilting at take-up housing 4 is provided with two T-shaped groove 4-3, is separately installed with the second slider head 5 and the 3rd slider head 7 in two T-shaped groove 4-3.The tail end of take-up housing 4 also is provided with protruding fixed block 4-4, and protruding fixed block 4-4 is fixedly connected with moving-mould-core 2.Be provided with the first latch 3-2 in the first slider head 3, the upper cover of the first latch 3-2 has pre-compressed spring, is provided with fixed block 3-3 at the afterbody of latch 3-2, is provided with the second latch 4-5 in the bottom of take-up housing 4, and the upper cover of the second latch 4-5 has pre-compressed spring.The direction of loosing core along take-up housing 4 and be fixed with limited block 6 at moving platen 1.
Mould sequentially divides by action when die sinking and mainly contains three groups and move to realize that the forced stripper mechanism of goods looses core:
First group of action, when the mould die sinking of front and back, front mould Angle Pin fluctuation take-up housing 4 moves, and take-up housing 4 spurs the second slider head 5 by T-shaped groove and the 3rd slider head 7 moves down, and will loose core to deviate from from button bit;
Second group of action when take-up housing 4 moves a certain distance after loosing core, contacts with the first slider head 3, and begins to drag the goods sidewall, makes its imposed deformation, and the back-off size that deflection is generally button bit in the goods adds 2mm; When take-up housing slid into limited block 6 position, the front and back mould was thrown off fully;
The 3rd group of action, after mould die sinking release, the face needle plate in the effect of injection machine knock-pin by mold ejection mechanism such as push rod, oblique tops etc. eject goods, because the goods sidewall still is in deformation state under the pulling force of the first slider head 3, all goods button bit in ejection process can not produce with punch interferes, when ejecting distance and surpass the goods height that the slide block mold insert limits, the goods sidewall breaks away from the slide block mold insert, and the goods button bit is deviate from fully and ride on the sidewall of punch, last along with the increase that ejects distance, goods are deviate from mold cavity smoothly.
In like manner, the front mould Angle Pin is stirred take-up housing 4 and with the first slider head 3, the second slider head 5, the 3rd slider head 7 and loose core and be reset to the injection moulding state in reseting procedure.
Just the specific embodiment of the present invention of describing in the above specification, various not illustrating is construed as limiting flesh and blood of the present invention, the person of an ordinary skill in the technical field after having read specification can to before the described specific embodiment make an amendment or be out of shape, and do not deviate from essence of an invention and scope.
Claims (5)
1. injection mold with Enforced stripping structure, comprise moving platen (1) and be installed in moving-mould-core (2) on the moving platen (1), be inlaid with the first slider head (3) and the second slider head (5) at described moving-mould-core (2), it is characterized in that: the tail end of described the first slider head (3) has protruding block (3-1), tail end at described the first slide block (3) is provided with take-up housing (4), and the middle part of described take-up housing (4) has the cavity (4-1) that runs through take-up housing (4), the protruding block (3-1) of described the first slide block (3) inserts in the cavity (4-1) of take-up housing (4), opening part at the cavity (4-1) of described take-up housing (4) is installed with block (4-2), be provided with between described protruding block (3-1) and the block (4-2) and postpone to contact distance, tilt at described take-up housing (4) and to be provided with at least one T-shaped groove (4-3), in described T-shaped groove (4-3), be slidingly fitted with the second slider head (5), the tail end of described take-up housing (4) also is provided with protruding fixed block (4-4), and described protruding fixed block (4-4) is fixedly connected with moving-mould-core (2).
2. the injection mold with Enforced stripping structure as claimed in claim 1, it is characterized in that: in described the first slider head (3), be provided with the first latch (3-2), the upper cover of described the first latch (3-2) has pre-compressed spring, is provided with fixed block (3-3) at the afterbody of described latch (3-2).
3. the injection mold with Enforced stripping structure as claimed in claim 1 is characterized in that: be provided with the second latch (4-5) in the bottom of described take-up housing (4), the upper cover of described the second latch (4-5) has pre-compressed spring.
4. the injection mold with Enforced stripping structure as claimed in claim 1 is characterized in that: the direction of loosing core along described take-up housing (4) and be fixed with limited block (6) at moving platen (1).
5. the injection mold with Enforced stripping structure as claimed in claim 1, it is characterized in that: described take-up housing (4) has two T-shaped grooves (4-3), is separately installed with the second slider head (5) and the 3rd slider head (7) in two T-shaped grooves (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103884950A CN102886872A (en) | 2012-06-30 | 2012-10-12 | Plastic-injection mold with forced demolding structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220318514 | 2012-06-30 | ||
| CN201220318514.8 | 2012-06-30 | ||
| CN2012103884950A CN102886872A (en) | 2012-06-30 | 2012-10-12 | Plastic-injection mold with forced demolding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102886872A true CN102886872A (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103884950A Pending CN102886872A (en) | 2012-06-30 | 2012-10-12 | Plastic-injection mold with forced demolding structure |
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| CN (1) | CN102886872A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539453A (en) * | 2019-09-24 | 2019-12-06 | 森骏卓越精密模具（深圳）有限公司 | Mold for releasing circumferential ring and buckling position of unilateral sliding block |
| CN115319053A (en) * | 2022-10-10 | 2022-11-11 | 宁波臻至机械模具有限公司 | Die-casting die |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201279863Y (en) * | 2008-07-18 | 2009-07-29 | 比亚迪股份有限公司 | Injection mold |
| CN101987353A (en) * | 2009-08-03 | 2011-03-23 | 富甲电子(昆山)有限公司 | Middle plate type multiple-slider structure die |
-
2012
- 2012-10-12 CN CN2012103884950A patent/CN102886872A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201279863Y (en) * | 2008-07-18 | 2009-07-29 | 比亚迪股份有限公司 | Injection mold |
| CN101987353A (en) * | 2009-08-03 | 2011-03-23 | 富甲电子(昆山)有限公司 | Middle plate type multiple-slider structure die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539453A (en) * | 2019-09-24 | 2019-12-06 | 森骏卓越精密模具（深圳）有限公司 | Mold for releasing circumferential ring and buckling position of unilateral sliding block |
| CN110539453B (en) * | 2019-09-24 | 2024-04-26 | 森骏卓越精密智造(深圳)有限公司 | Mold for removing circumferential ring buckling position of unilateral sliding block |
| CN115319053A (en) * | 2022-10-10 | 2022-11-11 | 宁波臻至机械模具有限公司 | Die-casting die |
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Application publication date: 20130123 |