CN204054524U - A kind of mould of plastics - Google Patents

A kind of mould of plastics Download PDF

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Publication number
CN204054524U
CN204054524U CN201420552137.3U CN201420552137U CN204054524U CN 204054524 U CN204054524 U CN 204054524U CN 201420552137 U CN201420552137 U CN 201420552137U CN 204054524 U CN204054524 U CN 204054524U
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CN
China
Prior art keywords
mold insert
cylinder
shaped article
mavable module
product
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.)
Expired - Fee Related
Application number
CN201420552137.3U
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Chinese (zh)
Inventor
杨李李
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.)
Jiangmen Jianghai Precision Plastic Co., Ltd.
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杨李李
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Priority to CN201420552137.3U priority Critical patent/CN204054524U/en
Application granted granted Critical
Publication of CN204054524U publication Critical patent/CN204054524U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of mould of plastics of the utility model, is provided with the knock-out gear of shaped article cylinder in mavable module core; Slide block is no longer adopted to realize the demoulding at product bulge loop back-off place, but according to working of plastics product self character, by the cylinder of working of plastics product, there is this special construction of short slot, this structure creates the free ending tool of product cylinder for certain deformable performance, therefore adopt the first mold insert to suspend strong de-mode, realize annular scrobicular ring on bulge loop back-off and the first mold insert in relative movement, the free end spreading of cylinder, be separated with annular scrobicular ring, complete stripping action; Therefore; knock-out gear of the present utility model saves very large die space; to make between die cavity can not by the impact of slide block make spacing every very large; simplify mould structure; originally need to do the depanning of slide block ability; the ralocatable mode of present mold insert replaces, and Making mold and injection moulding cost have had very large saving.The utility model belongs to die apparatus technical field.

Description

A kind of mould of plastics
Technical field
The utility model belongs to die apparatus technical field, especially relates to a kind of for the shaping mould of plastics being provided with circulus product.
Background technology
Product 4 as shown in Figure 1, at present working of plastics is made up of two halves hollow cylinder, cylinder 4.1 peripheral surface has the bulge loop back-off 4.2 that ring-type is outstanding, during for such part design mould, what prior art adopted is that during the demoulding, two slide blocks are scratched to both sides by realizing the shaping of bulge loop back-off 4.2 with two slide blocks; Hollow position adopts a slide block vertically arranged to realize, the shortcoming that such mould exists mould to have enough spaces can allow skid, but for the mould of a multi-cavity mold, slide block can cause great waste to the arrangement of mould, allows the injection moulding cost of die manufacturing cost and mould significantly improve.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of mould of plastics, very large die space can be saved, to make between die cavity can not by the impact of slide block make spacing every very large, simplify mould structure, originally need to do the depanning of slide block ability, can directly replace by the ralocatable mode of mold insert now; Making mold and injection moulding cost have had very large saving.
Technical solution adopted in the utility model is: a kind of mould of plastics, comprise dynamic model, cover half and liftout attachment, dynamic model comprises mavable module core, moving platen, cover half comprises fixed mold core, formed product chamber is formed between described fixed mold core and mavable module core, liftout attachment communicates with formed product chamber, is provided with the knock-out gear of shaped article cylinder in described mavable module core, described knock-out gear comprises cushion block, first mold insert, second mold insert and elastic parts, cushion block is fixed on moving platen, elastic parts one end is connected with cushion block, the other end is connected with the first mold insert, first mold insert activity is engaged in mavable module core, mavable module core inside is provided with the first mold insert stroke limit block, second mold insert to be fixed on cushion block and to be positioned at the first mold insert, gap between first mold insert and the second mold insert is used for shaped article cylinder, second mold insert is used for the cavity of shaped article cylinder, one end of first mold insert is provided with the annular scrobicular ring of the bulge loop back-off on shaped article cylinder.
The first described mold insert is provided with manhole, and through-hole wall length direction is provided with two in 180 ° of symmetrically arranged grooves, and through hole lower end inner wall is provided with the annular scrobicular ring of shaped article bulge loop back-off; Second mold insert comprises type barred body, and the two sides of barred body are provided with two in 180 ° of symmetrically arranged shaping bars, and the length of barred body is greater than the length of shaping bar; Second mold insert is positioned at the first mold insert, shaping bar and groove shapes matching size, and the gap formed between barred body and through hole is for shaped article cylinder, and barred body is used for shaped article cylinder intracavity, shaping bar and the short slot of groove on shaped article cylinder.
Be provided with movable chamber in described mavable module core, the first mold insert is positioned at movable chamber, and one end of the first mold insert is provided with projection, matches with the stroke limit block in movable chamber.
Described elastic parts is helical spring, and one end is embedded in the first mold insert, and the other end is connected with cushion block.
Described liftout attachment comprises thimble and top board, and described thimble is arranged on top board, and top board is positioned at below moving platen, and thimble enters formed product chamber through after moving platen, mavable module core successively.
The beneficial effects of the utility model are: a kind of mould of plastics of the utility model, slide block is no longer adopted to realize the demoulding at product bulge loop back-off place, but according to working of plastics product self character, by the cylinder of working of plastics product, there is this special construction of short slot, this structure creates the free ending tool of product cylinder for certain deformable performance, therefore the strong de-mode of the first mold insert suspension is adopted, realize annular scrobicular ring on bulge loop back-off and the first mold insert in relative movement, the free end spreading of cylinder, be separated with annular scrobicular ring, complete stripping action; Therefore; knock-out gear of the present utility model saves very large die space; to make between die cavity can not by the impact of slide block make spacing every very large; simplify mould structure; originally need to do the depanning of slide block ability; the ralocatable mode of present mold insert replaces, and Making mold and injection moulding cost have had very large saving.
Accompanying drawing explanation
Fig. 1 is product schematic diagram to be produced.
Fig. 2 is the utility model dynamic model part explosive view.
Fig. 3 is A place enlarged drawing in Fig. 2.
Fig. 4 is the first mold insert schematic diagram.
Fig. 5 is the utility model state one schematic diagram.
Fig. 6 is B1 enlarged drawing in Fig. 5.
Fig. 7 is the utility model state two schematic diagram.
Fig. 8 is B2 enlarged drawing in Fig. 7.
Fig. 9 is the utility model state three schematic diagram.
Figure 10 is B3 enlarged drawing in Fig. 9.
In figure:
1, mavable module core, 1.1, stroke limit block, 2, moving platen, 3.1, cushion block, the 3.2, first mold insert, 3.2.1, annular scrobicular ring, 3.2.2, through hole, 3.2.3, groove, the 3.3, second mold insert, 3.3.1, barred body, 3.3.2, shaping bar, 3.4, elastic parts, 4, product, 4.1, cylinder, 4.2, bulge loop back-off, 4.3, short slot, 5.1, thimble, 5.2, top board.
Detailed description of the invention
Shown in Fig. 1-Figure 10, a kind of mould of plastics, comprise dynamic model, cover half and liftout attachment, dynamic model comprises mavable module core 1, moving platen 2, cover half comprises fixed mold core, form product 4 forming cavity between described fixed mold core and mavable module core 1, liftout attachment communicates with product 4 forming cavity, is provided with the knock-out gear of shaped article 4 cylinder 4.1 in described mavable module core 1, described knock-out gear comprises cushion block 3.1, first mold insert 3.2, second mold insert 3.3 and elastic parts 3.4, cushion block 3.1 is fixed on moving platen 2, elastic parts 3.4 one end is connected with cushion block 3.1, the other end is connected with the first mold insert 3.2, first mold insert 3.2 activity is engaged in mavable module core 1, mavable module core 1 inside is provided with the first mold insert 3.2 stroke limit block 1.1, second mold insert 3.3 to be fixed on cushion block 3.1 and to be positioned at the first mold insert 3.2, gap between first mold insert 3.2 and the second mold insert 3.3 is used for shaped article 4 cylinder 4.1, second mold insert 3.3 is for the cavity of shaped article 4 cylinder 4.1, one end of first mold insert 3.2 is provided with the annular scrobicular ring 3.2.1 of the bulge loop back-off 4.2 on shaped article 4 cylinder 4.1.
The first described mold insert 3.2 is provided with manhole 3.2.2, and through hole 3.2.2 inwall length direction is provided with two in 180 ° of symmetrically arranged groove 3.2.3, and through hole 3.2.2 lower end inner wall is provided with the annular scrobicular ring 3.2.1 of shaped article 4 bulge loop back-off 4.2; Second mold insert 3.3 comprises type barred body 3.3.1, and the two sides of barred body 3.3.1 are provided with the length that two length in 180 ° of symmetrically arranged shaping bar 3.3.2, barred body 3.3.1 are greater than shaping bar 3.3.2; Second mold insert 3.3 is positioned at the first mold insert 3.2, shaping bar 3.3.2 and groove 3.2.3 geomery match, the gap formed between barred body 3.3.1 and through hole 3.2.2 is for shaped article 4 cylinder 4.1, barred body 3.3.1 is used for shaped article 4 cylinder 4.1 inner chamber, and shaping bar 3.3.2 and groove 3.2.3 is used for the short slot 4.3 on shaped article 4 cylinder 4.1.
Be provided with movable chamber in described mavable module core 1, the first mold insert 3.2 is positioned at movable chamber, and one end of the first mold insert 3.2 is provided with projection 3.2.1, matches with the stroke limit block 1.1 in movable chamber.
Described elastic parts 3.4 is helical spring, and one end is embedded in the first mold insert 3.2, and the other end is connected with cushion block 3.1.
Described liftout attachment comprises thimble 5.1 and top board 5.2, and described thimble 5.1 is arranged on top board 5.2, and top board 5.2 is positioned at below moving platen 2, and thimble 5.1 enters product 4 forming cavity through after moving platen 2, mavable module core 1 successively.
Operation principle of the present utility model is: shown in composition graphs 5 and Fig. 6, the state after dynamic model and the material feeding of cover half matched moulds.Fixed half and moving half separately, the top board 5.2 of ejecting mechanism drives thimble 5.1 to move upward, thimble 5.1 promotes product 4 and moves upward, while motion, first mold insert 3.2 is under the effect of elastic parts 3.4 (helical spring), follow product 4 to move upward, because cushion block 3.1 does not move in knockout course, so the second mold insert 3.3 on cushion block 3.1 is separated with the cylinder 4.1 of product 4, also with the first mold insert 3.2 is separated simultaneously, complete the first step to loose core action, state as shown in Figure 7 and Figure 8, now, the lower end of the first mold insert 3.2 is blocked by the stroke limit block 1.1 of mavable module core 1, cannot continue to follow product 4 again to move, and product 4 at this time still continues to move upward under the effect of liftout attachment thimble 5.1, therefore, product 4 and the first mold insert 3.2 just there occurs relative motion, bulge loop back-off 4.2 on product 4 cylinder 4.1 and the annular scrobicular ring 3.2.1 of the first mold insert 3.2 produce the trend of relative motion, because cylinder 4.1 adopts working of plastics to make, and be provided with short slot 4.3, cylinder 4.1 is made to have certain changeability performance at bulge loop back-off 4.2 place, when product 4 continues to move upward, reducing a little is there is in cylinder 4.1 at bulge loop back-off 4.2 place, make to depart from the annular scrobicular ring 3.2.1 of the first mold insert 3.2, complete strong de-action, because working of plastics can recover voluntarily, therefore strong taking off does not impact product, after the final demoulding as shown in Figure 9 and Figure 10.

Claims (4)

1. a mould of plastics, comprise dynamic model, cover half and liftout attachment, dynamic model comprises mavable module core (1), moving platen (2), cover half comprises fixed mold core, product (4) forming cavity is formed between described fixed mold core and mavable module core (1), liftout attachment communicates with product (4) forming cavity, it is characterized in that: the knock-out gear being provided with shaped article (4) cylinder (4.1) in described mavable module core (1), described knock-out gear comprises cushion block (3.1), the first mold insert (3.2), the second mold insert (3.3) and elastic parts (3.4), described elastic parts (3.4) is helical spring, one end is embedded in the first mold insert (3.2), and the other end is connected with cushion block (3.1), cushion block (3.1) is fixed on moving platen (2), elastic parts (3.4) one end is connected with cushion block (3.1), the other end is connected with the first mold insert (3.2), first mold insert (3.2) activity is engaged in mavable module core (1), mavable module core (1) inside is provided with the first mold insert (3.2) stroke limit block (1.1), second mold insert (3.3) is fixed on cushion block (3.1) and goes up and be positioned at the first mold insert (3.2), gap between first mold insert (3.2) and the second mold insert (3.3) is used for shaped article (4) cylinder (4.1), second mold insert (3.3) is for the cavity of shaped article (4) cylinder (4.1), one end of first mold insert (3.2) is provided with the annular scrobicular ring (3.2.1) of the bulge loop back-off (4.2) on shaped article (4) cylinder (4.1).
2. a kind of mould of plastics according to claim 1, it is characterized in that: described the first mold insert (3.2) is provided with manhole (3.2.2), through hole (3.2.2) inwall length direction is provided with two in 180 ° of symmetrically arranged grooves (3.2.3), and through hole (3.2.2) lower end inner wall is provided with the annular scrobicular ring (3.2.1) of shaped article (4) bulge loop back-off (4.2); Second mold insert (3.3) comprises type barred body (3.3.1), the two sides of barred body (3.3.1) are provided with two in 180 ° of symmetrically arranged shaping bars (3.3.2), and the length of barred body (3.3.1) is greater than the length of shaping bar (3.3.2); Second mold insert (3.3) is positioned at the first mold insert (3.2), shaping bar (3.3.2) and groove (3.2.3) geomery match, the gap formed between barred body (3.3.1) and through hole (3.2.2) is used for shaped article (4) cylinder (4.1), barred body (3.3.1) is for shaped article (4) cylinder (4.1) inner chamber, and shaping bar (3.3.2) and groove (3.2.3) are for the short slot (4.3) on shaped article (4) cylinder (4.1).
3. a kind of mould of plastics according to claim 2, it is characterized in that: in described mavable module core (1), be provided with movable chamber, first mold insert (3.2) is positioned at movable chamber, one end of first mold insert (3.2) is provided with projection (3.2.1), matches with the stroke limit block (1.1) in movable chamber.
4. a kind of mould of plastics according to claim 1, it is characterized in that: described liftout attachment comprises thimble (5.1) and top board (5.2), described thimble (5.1) is arranged on top board (5.2), top board (5.2) is positioned at moving platen (2) below, and thimble (5.1) enters product (4) forming cavity through after moving platen (2), mavable module core (1) successively.
CN201420552137.3U 2014-09-23 2014-09-23 A kind of mould of plastics Expired - Fee Related CN204054524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420552137.3U CN204054524U (en) 2014-09-23 2014-09-23 A kind of mould of plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420552137.3U CN204054524U (en) 2014-09-23 2014-09-23 A kind of mould of plastics

Publications (1)

Publication Number Publication Date
CN204054524U true CN204054524U (en) 2014-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420552137.3U Expired - Fee Related CN204054524U (en) 2014-09-23 2014-09-23 A kind of mould of plastics

Country Status (1)

Country Link
CN (1) CN204054524U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104943093A (en) * 2015-07-07 2015-09-30 慈溪恒煜电子有限公司 Injection mould

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104943093A (en) * 2015-07-07 2015-09-30 慈溪恒煜电子有限公司 Injection mould

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160707

Address after: 529000 Guangdong province Jiangmen Jianghai Kau North Second Industrial Zone No. 7 Building 01 self

Patentee after: Jiangmen Jianghai Precision Plastic Co., Ltd.

Address before: 317100, Zhejiang province Taizhou three counties sea tour town SEG garden 13

Patentee before: Yang Lili

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141231

Termination date: 20160923