CN102294785A - Easily released injection mold - Google Patents
Easily released injection mold Download PDFInfo
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- CN102294785A CN102294785A CN2011102222421A CN201110222242A CN102294785A CN 102294785 A CN102294785 A CN 102294785A CN 2011102222421 A CN2011102222421 A CN 2011102222421A CN 201110222242 A CN201110222242 A CN 201110222242A CN 102294785 A CN102294785 A CN 102294785A
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- injection mold
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- easily released
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Abstract
The invention discloses an easily released injection mold, and relates to the field of injection molds. The easily released injection mold aims at solving a problem that operating steps of the existing mold-release device are complicated and thus production efficiency is reduced and a production cost of a product is improved. The easily released injection mold comprises an upper mold, a lower mold and a mold core, wherein the upper mold, the lower mold and the mold core work in coordination. The easily released injection mold also comprises a mold-release device connected to the easily released injection mold. The mold-release device comprises two track plates arranged symmetrically at two sides of the easily released injection mold, first and second medium-sized strips arranged oppositely at two ends of a mold cavity, at least one core fixing blocks, and at least two rollers fixed respectively at two ends of the first medium-sized strip. The two track plates are provided with chutes. One end of the core fixing block has a movable connection with the mold core and the other end of the core fixing block has a movable connection with the first medium-sized strip. The two ends of the first medium-sized strip and two ends of the second medium-sized strip have movable connections with the track plates. The two ends of the first medium-sized strip slide in the chutes through the at least two rollers. The easily released injection mold is suitable especially for production of barrel-shaped or shell-type injection products.
Description
Technical field
This patent relates to the injection mold technical field, relates in particular to a kind of injection mold that is easy to the demoulding.
Background technology
Injecting molding die be will preheat into the sizing material of mecystasis inject the mould first cure through the running gate system of injection mould, be applicable to and make large-scale, heavy wall, thin-walled, complex-shaped rubber.
After action of injection finished, plastic is cooling and shaping in die cavity, because volume contraction produces package power to core, when it is released, just must overcome the frictional force that produces because of package power from mould.For not with tube, the shell class plastic part of through hole, also need overcome atmospheric pressure during demoulding release.In injection mould, the mechanism that safety and nondestructive is badly released from mould is called mould emptier with the plastic products behind the cooling curing, also is ejecting mechanism or ejecting mechanism.Plastic was indeformable when safety and nondestructive badly was meant the demoulding, did not damage, and sticking to mould does not have the top in vain, and it is attractive in appearance that position, thimble position does not influence plastic.
Press the power source, mould emptier can be divided three classes:
(1) manual ejecting mechanism: after mould separates, plastic is deviate from the hand control mould emptier.Be used for complex-shaped the mould of ejecting mechanism or the situation that plastic component structure is simple, output is little being set, there be limited evidence currently of adopts more.
(2) motor-driven ejecting mechanism: the ejecting mechanism on the die sinking action drives mould of dependence injector, realize the plastic automatic demoulding.This class mould structure complexity is used for the big situation of production lot more, is present most widely used a kind of ejecting mechanism.It comprises the demoulding of thimble class, department's tube demoulding, the demoulding of push pedal class, Pneumatic demould, the internal thread demoulding and the compound demoulding.
(3) hydraulic pressure and pneumatic ejecting mechanism: refer on injector or mould, be provided with dedicated hydraulic or pneumatic means, plastic is blown out outside the mould outward or with plastic by the ejecting mechanism launch mode on the mould.
When producing tubular or shell class plastic in the prior art, usually finish the demoulding in conjunction with the plastic member product ejecting mechanism of both method project organization complexity of back, complex operation step has reduced production efficiency, has improved production cost of products.
Patent content
At existing stripper apparatus complex operation step, reduced production efficiency, improved the problem of production cost of products.The purpose of this patent provides a kind of injection mold that is easy to the demoulding.
The technical scheme that its technical problem that solves this patent adopts is: it comprises upper die and lower die and the core that matches, and it also comprises the stripper apparatus that is connected on the described injection mold.
Described stripper apparatus comprises and is symmetricly set in ambilateral two the track plates of described injection mould, be relatively arranged on first medium-sized and second medium-sized of described injection mold cavity two ends, at least one fuse fixed block and at least two rollers that are individually fixed in described first medium-sized two ends, described track plate is provided with chute, one end of described fuse fixed block and described core flexibly connect, the other end of described fuse fixed block and described first medium-sized flexible connection, described first medium-sized the two ends with described second medium-sized all are movably connected on the described track plate, slide in described chute by described roller in described first medium-sized two ends.
Described chute is by having angle and the horizontal component and the sloping portion of rounding off are formed, and the end of described sloping portion extends to the bottom of described injection mold.
The dead in line of the center line of the horizontal component of described chute and the core of described injection mold.
Described angle α is 120 °～160 °.
The beneficial effect of this patent is: the stripper apparatus in this patent injection mold, utilize cooperating of roller and the track plate that is provided with chute, and finish the demoulding of goods, need not special hydraulic pressure or pneumatic ejecting mechanism.It is simple in structure, and is easy to operate, and maintenance of equipment and maintenance are easy, and the die steel consumption is few, economical with materials.
Description of drawings
Below in conjunction with drawings and Examples this patent is described further;
Fig. 1 is the structural representation of the mould of embodiment;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is that the B of Fig. 1 is to view;
Fig. 4 is the structural representation of track plate;
The number in the figure explanation:
Guidance tape 2-dirty guidance tape 3-in 1-upper reaches goes up thermal insulation board 4-and goes up heating plate
Thermal insulation board under the heating plate 8-under the template 7-under the 5-cope match plate 6-
Baffle plate 11-track plate 12-chute 13-is first medium-sized under the 9-
Second medium-sized 16-roller of 14-fuse fixed block 15-
The specific embodiment
A kind of injection mold that is easy to the demoulding of this patent is described in conjunction with Fig. 1 to Fig. 4, injection mold with rubber grommet in the automobile is an example, it is a mould four cavity configurations, comprise the upper die and lower die and the core that match, wherein, patrix is by upper reaches guidance tape 1, dirty guidance tape 2, last thermal insulation board 3, last heating plate 4 and cope match plate 5 are affixed successively from top to bottom to form, counterdie is by following template 6, following heating plate 7, and following thermal insulation board 8 forms with following baffle plate 9 is affixed successively from top to bottom, and each core is made up of two SMIS.For baroque injection molding, for the ease of its processing and manufacturing, reduce heat treatment deformation and save die steel, the normal mode that has movable insert that adopts.In the present embodiment, be provided with in each die cavity of this mould that four mo(u)ld top halves are inserted and four mo(u)ld bottom halves corresponding with it are inserted, and be arranged at the die cavity that two SMIS between mo(u)ld top half is inserted and mo(u)ld bottom half is inserted constitute rubber grommet jointly.
This patent also comprises the stripper apparatus that is connected on the injection mold, and it comprises that symmetry is installed on two blocks of track plates 11 of mould side, is relatively arranged on mould cavity two ends and parallel first medium-sized 13 and second medium-sized 15, four fuse fixed block 14 and four rolling 16.Track plate 11 is provided with chute 12, and chute 12 is by having angle and the horizontal component and the sloping portion of rounding off are formed, and the end of sloping portion extends the dead in line of the center line of the horizontal component of chute 12 and the core of injection mold to the bottom of injection mold.Angle α is 120 °～160 °, is preferably 150 °.The threaded one end of fuse fixed block 14 is connected on first medium-sized 13, and its other end is threaded with two SMIS.The roller 16 of first medium-sized 13 two ends setting can slide in the chute 12 of track plate 11.Second medium-sized 15 other end that is positioned at four rubber grommet die cavities, second medium-sized 15 two ends all are threaded on the track plate 11.
Open mould after the rubber grommet injection mo(u)lding, remove upper die and lower die after, goods are attached on the core, and are suspended on the bracing frame that first medium-sized 13, second medium-sized 15 and two track plates 11 constitute.At this moment, horizontal direction spurs first medium-sized 13, and roller 16 slides along the horizontal component of chute 12, and an end of rubber grommet moves along direction of pull, and its other end breaks away from second medium-sized 15 under the pulling force effect, finish the demoulding of rubber grommet afterbody.Continue for first medium-sized 13 when chute 12 slides into the sloping portion of chute 12, the afterbody of rubber grommet is upturned, leave the horizontal plane at medium-sized place, at this moment, can take off the rubber grommet goods from mold cores easily, stripper apparatus is simple in structure, ejecting mechanism that need not be special, and the demoulding is easy to finish.
Those skilled in the art will recognize that; the above-mentioned specific embodiment is exemplary; be in order to make those skilled in the art can better understand this patent content; should not be construed as is restriction to this patent protection domain; change or modify so long as disclose spiritual any being equal to of being done, all fall into this patent protection domain according to this patent.
Claims (5)
1. an injection mold that is easy to the demoulding comprises the upper die and lower die and the core that match, and it is characterized in that: it also comprises the stripper apparatus that is connected on the described injection mold.
2. injection mold according to claim 1, it is characterized in that: described stripper apparatus comprises and is symmetricly set in ambilateral two the track plates of described injection mould, be relatively arranged on first medium-sized and second medium-sized of described injection mold cavity two ends, at least one fuse fixed block and at least two rollers that are individually fixed in described first medium-sized two ends, described track plate is provided with chute, one end of described fuse fixed block and described core flexibly connect, the other end of described fuse fixed block and described first medium-sized flexible connection, described first medium-sized the two ends with described second medium-sized all are movably connected on the described track plate, slide in described chute by described roller in described first medium-sized two ends.
3. injection mold according to claim 1 is characterized in that: described chute is by having angle and the horizontal component and the sloping portion of rounding off are formed, and the end of described sloping portion extends to the bottom of described injection mold.
4. injection mold according to claim 3 is characterized in that: the dead in line of the center line of the horizontal component of described chute and the core of described injection mold.
5. injection mold according to claim 3 is characterized in that: described angle α is 120 °～160 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110222242.1A CN102294785B (en) | 2011-08-04 | 2011-08-04 | Easily released injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110222242.1A CN102294785B (en) | 2011-08-04 | 2011-08-04 | Easily released injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102294785A true CN102294785A (en) | 2011-12-28 |
| CN102294785B CN102294785B (en) | 2014-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110222242.1A Expired - Fee Related CN102294785B (en) | 2011-08-04 | 2011-08-04 | Easily released injection mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN102294785B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188011A (en) * | 2015-09-25 | 2015-12-23 | 深圳创维精密科技有限公司 | Right angle type horn mesh mold and sound device |
| CN108189344A (en) * | 2018-03-22 | 2018-06-22 | 珠海市通晶塑胶制品有限公司 | A kind of injection mold |
| CN115416238A (en) * | 2022-11-04 | 2022-12-02 | 赫比(成都)精密塑胶制品有限公司 | Mold for separating material belt and mold opening method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62201221A (en) * | 1986-02-28 | 1987-09-04 | ▲高▼野 ▲高▼虎 | Unloader for synthetic resin molded item |
| CN200954672Y (en) * | 2006-04-25 | 2007-10-03 | 青岛科技大学 | Multi-working-position injection moulding apparatus |
| CN201357541Y (en) * | 2009-02-14 | 2009-12-09 | 浙江凯华模具有限公司 | Demoulding device of ski stick handle mould |
| CN201506016U (en) * | 2009-06-12 | 2010-06-16 | 广州欣科精密模具有限公司 | Mould with cylindrical thimble automatic demoulding device |
| CN202137924U (en) * | 2011-08-04 | 2012-02-08 | 苏州腾行精密模具有限公司 | Injection mold easy to demould |
-
2011
- 2011-08-04 CN CN201110222242.1A patent/CN102294785B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62201221A (en) * | 1986-02-28 | 1987-09-04 | ▲高▼野 ▲高▼虎 | Unloader for synthetic resin molded item |
| CN200954672Y (en) * | 2006-04-25 | 2007-10-03 | 青岛科技大学 | Multi-working-position injection moulding apparatus |
| CN201357541Y (en) * | 2009-02-14 | 2009-12-09 | 浙江凯华模具有限公司 | Demoulding device of ski stick handle mould |
| CN201506016U (en) * | 2009-06-12 | 2010-06-16 | 广州欣科精密模具有限公司 | Mould with cylindrical thimble automatic demoulding device |
| CN202137924U (en) * | 2011-08-04 | 2012-02-08 | 苏州腾行精密模具有限公司 | Injection mold easy to demould |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188011A (en) * | 2015-09-25 | 2015-12-23 | 深圳创维精密科技有限公司 | Right angle type horn mesh mold and sound device |
| CN105188011B (en) * | 2015-09-25 | 2018-09-18 | 创维集团智能装备有限公司 | A kind of right-angle type speaker net mold and stereo set |
| CN108189344A (en) * | 2018-03-22 | 2018-06-22 | 珠海市通晶塑胶制品有限公司 | A kind of injection mold |
| CN115416238A (en) * | 2022-11-04 | 2022-12-02 | 赫比(成都)精密塑胶制品有限公司 | Mold for separating material belt and mold opening method thereof |
| CN115416238B (en) * | 2022-11-04 | 2023-01-24 | 赫比(成都)精密塑胶制品有限公司 | Mold for separating material belt and mold opening method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102294785B (en) | 2014-04-09 |
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