CN203650902U - Demolding device - Google Patents

Demolding device Download PDF

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Publication number
CN203650902U
CN203650902U CN201320877285.8U CN201320877285U CN203650902U CN 203650902 U CN203650902 U CN 203650902U CN 201320877285 U CN201320877285 U CN 201320877285U CN 203650902 U CN203650902 U CN 203650902U
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CN
China
Prior art keywords
injection moulding
base
mould
block
moulding workpiece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201320877285.8U
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Chinese (zh)
Inventor
戴乐乐
赵蓟东
黄身忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FEILO AUTOMOTIVE CONTROLLERS CO Ltd
Original Assignee
SHANGHAI FEILO AUTOMOTIVE CONTROLLERS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201320877285.8U priority Critical patent/CN203650902U/en
Application granted granted Critical
Publication of CN203650902U publication Critical patent/CN203650902U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a demolding device in the technical field of injection molding. The demolding device is used for demolding an injection-molded workpiece from a mold and comprises a base which is arranged on one side of the mold and can move up and down relative to the mold, a stop piece which is arranged between the mold and the base and is fixedly connected with the base, a driving component and a thimble fixedly connected with the bottom of the base, wherein a through hole is formed in the stop piece, and the size of the through hole is smaller than that of the end, which is in contact with the stop piece, of the injection-molded workpiece; the driving component is fixedly connected with one end, which is positioned outside the cavity of the mold, of an insert pin of the mold; the insert pin can pass through the through hole in the stop piece, extend into the cavity of the mold and move horizontally relative to the base. The demolding device enables the injection-molded workpiece to be successfully released from the mold, and surface damage or deformation of the injection-molded workpiece can be avoided.

Description

Stripper apparatus
Technical field
The utility model relates to injection molding technology field, particularly relates to a kind of stripper apparatus.
Background technology
The release method of injection moulding workpiece, be generally upper and lower die by mould separately, or by lower die increase slide block by Angle Pin left and right, move forward and backward, more directly injection moulding workpiece is ejected from die cavity by counterdie thimble, reach the object of the injection moulding workpiece demoulding.
The die cavity of the mould of original processing full thread part and extra high this type of injection moulding workpiece of appearance requirement is made up of upper cores, counterdie Renhe pin.Counterdie thimble is arranged at the side of the whole circle thread of this type of injection moulding workpiece, the stressed injection moulding workpiece that ejects injection mo(u)lding of counterdie thimble.
As depicted in figs. 1 and 2, need now the injection moulding workpiece 6 of processing to comprise shaft 61 and the bar head 62 being attached thereto, shaft 61 is whole circle thread, the maximum burr≤0.03mm in thread region, and Product Assembly face and bottom die joint can not be jagged.While using original stripper apparatus and the above injection moulding of release method demoulding workpiece 6, cannot meet required precision, injection moulding workpiece 6, by the surface of the whole circle thread of easy damaged injection moulding workpiece 6 in counterdie thimble ejection process, even can cause injection moulding workpiece 6 to be out of shape.
How designing a kind of stripper apparatus and release method can be by full thread plastic screw and the demoulding more easily of extra high this type of injection molding product of appearance requirement, and the technical quality requirement that reaches precise injection molding workpiece is the problem that those skilled in the art need to solve.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of stripper apparatus, for solving prior art injection moulding workpiece easy damaged surface in knockout course, the even problem of injection moulding workpiece deformation.
For achieving the above object and other relevant objects, the utility model provides a kind of stripper apparatus, for the demoulding of mould injection moulding workpiece, comprising: base, is arranged at a side of described mould, and can moves up and down with respect to described mould; Block, is arranged between described mould and described base and with described base and is fixedly connected with, and on described block, is provided with through hole, and described clear size of opening is less than the size of described injection moulding workpiece and described block contact jaw; Driven unit, the one end with the pin of described mould outside the cavity of described mould is fixedly connected with, and described pin can stretch in the cavity of described mould through the through hole on described block, and can move horizontally with respect to described base; Thimble, is fixedly connected with the bottom of described base.
Preferably, described driven unit comprises: mold insert, be fixedly connected with described pin, and can be with respect to described base sliding; Slide block, is fixedly connected with described mold insert, and can be with respect to described base sliding; Hydraulic cylinder, the piston rod of described hydraulic cylinder is fixedly connected with described slide block.
Preferably, between described base and described driven unit, a wearing plate is set, the side of described wearing plate is fixedly connected with described block.
The utility model also relates to a kind of release method that adopts above-mentioned stripper apparatus, comprises the following steps:
1) after described injection moulding Workpiece shaping completes, the upper cores of described mould vertically moves up and reaches die sinking height, and described upper cores separates with described injection moulding workpiece;
2) described thimble promotes described base, described block, described wearing plate, described driven unit, described pin and described injection moulding workpiece and vertically moves up with respect to the lower die of described mould, and described injection moulding workpiece shifts out described lower die;
3) hydraulic cylinder of described driven unit drives described pin synchronously to move horizontally to the direction away from described block, and described pin exits in described injection moulding workpiece;
4) described injection moulding workpiece is blocked rear free-falling by described block, and described injection moulding workpiece is discharged completely, can freely take out, and a fabrication cycles finishes.
Preferably, before described injection moulding Workpiece shaping, in a state of nature, described block contacts with described mold insert face described stripper apparatus, described upper cores and described lower die closure; Described in described upper cores, described counterdie Renhe, pin forms the die cavity of described mould; Described injection moulding workpiece enters the injection molding cycle, until the injection mo(u)lding of injection moulding workpiece completes.
Preferably, mold insert described in the step 3) of described release method is more than or equal to the length of described injection moulding workpiece to the distance moving horizontally away from the direction of described block.
As mentioned above, stripper apparatus described in the utility model, has following beneficial effect:
(1) utilize stripper apparatus of the present utility model, only the upper cores of described mould vertically need be moved up and reach die sinking height, described thimble is promoted to described base, described block, described wearing plate, described driven unit, described pin and described injection moulding workpiece vertically to move up with respect to the lower die of described mould, make again described driven unit drive described pin synchronously to move horizontally to the direction away from described block, just injection moulding workpiece can be discharged completely, realize fast demoulding, very easy to use.
(2) utilize stripper apparatus of the present utility model, can make the successfully demoulding from injection mold of injection moulding workpiece, thimble does not contact with injection moulding workpiece, the injection moulding workpiece surface damage that can not cause or injection moulding workpiece deformation.
(3) utilize release method of the present utility model, can not only realize the high-tech quality requirement of processed injection moulding workpiece, and can also raise labour productivity.
Accompanying drawing explanation
The master that Fig. 1 is shown as a kind of injection moulding workpiece looks complete section schematic diagram.
Fig. 2 is shown as a kind of right TV structure schematic diagram of injection moulding workpiece.
Fig. 3 is shown as the structural representation of the injection step of injection moulding workpiece.
Fig. 4 is shown as the structural representation of the upper cores separating step of injection moulding workpiece and mould.
Fig. 5 is shown as the structural representation of the lower die separating step of injection moulding workpiece and mould.
Fig. 6 is shown as pin from exiting the structural representation of step in injection moulding workpiece.
Drawing reference numeral explanation
The specific embodiment
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this description.
Refer to accompanying drawing.Notice, appended graphic the illustrated structure of this description, ratio, size etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
Embodiment 1
As depicted in figs. 1 and 2, the injection moulding workpiece 6 of the present embodiment is full flight screw, and after injection mo(u)lding, the length L 4 of injection moulding workpiece 6 is 80mm.
As shown in Figure 6, the stripper apparatus of the present embodiment, for the demoulding of mould 1 injection moulding workpiece 6, comprising: base 2, is arranged at a side of mould 1, and can moves up and down with respect to mould 1; Block 3, is arranged between mould 1 and base 2 and with base 2 and is fixedly connected with by the first screw 81, is provided with through hole 31 on block 3, and through hole 31 sizes are less than the size of injection moulding workpiece 6 and block 3 contact jaws; Driven unit 4, the one end with the pin 13 of mould 1 outside the cavity of mould 1 is fixedly connected with, and pin 13 can stretch in the cavity of mould 1 through the through hole 31 on block 3, and can move horizontally with respect to base 2; Thimble 7, is fixedly connected with by the second screw 82 with the bottom of base 2.
Driven unit 4 comprises: mold insert 41, is fixedly connected with pin 13, and can slides with respect to base 2; Slide block 42, is fixedly connected with mold insert 41, and can slide with respect to base 2; Hydraulic cylinder 43, the piston rod 431 of hydraulic cylinder 43 is fixedly connected with slide block 42.
One wearing plate 5 is set between base 2 and driven unit 4, and the side of wearing plate 5 is fixedly connected with block 3.
As shown in Fig. 1 and Fig. 6, described injection moulding workpiece 6 is the bar head 62 of injection moulding workpiece 6 and the contact jaw of block 3 with block 3 contact jaws.
As shown in Figure 6, described block 3 is provided with confined planes 32, is provided with front end face 411 on mold insert 41.
The upper cores 11 of mould 1 is provided with bottom surface 111, and the lower die 12 of mould 1 is provided with end face 121.
Distance between the end face 121 of lower die 12 and the bottom surface 111 of upper cores 11 is the first sliding stroke L1.
Distance between the end face 121 of lower die 12 and the axis 131 of pin 13 is the second sliding stroke L2.
Distance between the front end face 411 of mold insert 41 and the confined planes 32 of block 3 is the 3rd sliding stroke L3.
Fig. 3 is shown as the structural representation of the injection step of injection moulding workpiece 6;
Fig. 4 is shown as the structural representation of upper cores 11 separating steps of injection moulding workpiece 6 and mould 1;
Fig. 5 is shown as the structural representation of lower die 12 separating steps of injection moulding workpiece 6 and mould 1;
Fig. 6 is shown as pin 13 from exiting the structural representation of step in injection moulding workpiece 6;
The stripper apparatus of the present embodiment, for injection moulding and the release method of injection moulding workpiece 6, comprises the following steps:
As shown in Figure 3,1) in a state of nature, block 3 contacts with 41 of mold inserts stripper apparatus, lower die 12 closures of the upper cores 11 of mould 1 and mould 1; Upper cores 11, lower die 12 and pin 13 form the die cavity of mould 1; Injection moulding workpiece 6 enters the injection molding cycle, until 6 injection mo(u)ldings of injection moulding workpiece complete;
As shown in Figure 4,2) after 6 moulding of injection moulding workpiece complete, upper cores 11 vertically moves up and reaches die sinking height, and the first sliding stroke L1 is more than or equal to 40 ㎜, and upper cores 11 separates with injection moulding workpiece 6;
As shown in Figure 5,3) thimble 7 promotes base 2, block 3, wearing plate 5, driven unit 4, pin 13 and injection moulding workpiece 6 and vertically moves up with respect to the lower die 12 of mould 1, the second sliding stroke L2 is more than or equal to 20mm, and injection moulding workpiece 6 shifts out lower die 12;
As shown in Figure 6,4) piston rod 431 of the hydraulic cylinder 43 of driven unit 4 drives pin 13 synchronous to moving horizontally away from the direction of block 3, and pin 13 exits in injection moulding workpiece 6;
5) injection moulding workpiece 6 is blocked rear free-falling by block 3, and injection moulding workpiece 6 is discharged completely, can freely take out, and a fabrication cycles finishes.
The utility model only need vertically move up the upper cores of mould 1 11 and reach die sinking height, thimble 7 is promoted to base 2, block 3, wearing plate 5, driven unit 4 and injection moulding workpiece 6 vertically to move up with respect to the lower die 12 of mould 1, make again driven unit 4 drive pin 13 synchronous to moving horizontally away from the direction of block 3, just injection moulding workpiece 6 can be discharged completely, realize fast demoulding, very easy to use.
The utility model can reach injection moulding workpiece 6 technical qualitys, and when the demoulding, the not easy damaged of surface of the whole circle thread of injection moulding workpiece 6, also can not cause the distortion of injection moulding workpiece 6, has improved labor productivity.
In sum, the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims (3)

1. a stripper apparatus, for the demoulding of mould (1) injection moulding workpiece (6), is characterized in that, comprising:
Base (2), is arranged at a side of described mould (1), and can moves up and down with respect to described mould (1);
Block (3), be arranged between described mould (1) and described base (2) and with described base (2) and be fixedly connected with, on described block (3), be provided with through hole (31), described through hole (31) size is less than the size of described injection moulding workpiece (6) and described block (3) contact jaw;
Driven unit (4), one end with the pin (13) of described mould (1) outside the cavity of described mould (1) is fixedly connected with, described pin (13) can stretch in the cavity of described mould (1) through the through hole (31) on described block (3), and can move horizontally with respect to described base (2);
Thimble (7), is fixedly connected with the bottom of described base (2).
2. stripper apparatus according to claim 1, is characterized in that, described driven unit (4) comprising:
Mold insert (41), is fixedly connected with described pin (13), and can slide with respect to described base (2);
Slide block (42), is fixedly connected with described mold insert (41), and can slide with respect to described base (2);
Hydraulic cylinder (43), the piston rod (431) of described hydraulic cylinder (43) is fixedly connected with described slide block (42).
3. stripper apparatus according to claim 1, is characterized in that, between described base (2) and described driven unit (4), a wearing plate (5) is set, and the side of described wearing plate (5) is fixedly connected with described block (3).
CN201320877285.8U 2013-12-27 2013-12-27 Demolding device Withdrawn - After Issue CN203650902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320877285.8U CN203650902U (en) 2013-12-27 2013-12-27 Demolding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320877285.8U CN203650902U (en) 2013-12-27 2013-12-27 Demolding device

Publications (1)

Publication Number Publication Date
CN203650902U true CN203650902U (en) 2014-06-18

Family

ID=50917336

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320877285.8U Withdrawn - After Issue CN203650902U (en) 2013-12-27 2013-12-27 Demolding device

Country Status (1)

Country Link
CN (1) CN203650902U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722701A (en) * 2013-12-27 2014-04-16 上海飞乐汽车控制系统有限公司 Demolding device and demolding method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722701A (en) * 2013-12-27 2014-04-16 上海飞乐汽车控制系统有限公司 Demolding device and demolding method
CN103722701B (en) * 2013-12-27 2016-05-11 上海飞乐汽车控制系统有限公司 Stripper apparatus and release method

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GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20140618

Effective date of abandoning: 20160511

C25 Abandonment of patent right or utility model to avoid double patenting