CN102294785B - Easily released injection mold - Google Patents
Easily released injection mold Download PDFInfo
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- CN102294785B CN102294785B CN201110222242.1A CN201110222242A CN102294785B CN 102294785 B CN102294785 B CN 102294785B CN 201110222242 A CN201110222242 A CN 201110222242A CN 102294785 B CN102294785 B CN 102294785B
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- mold
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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 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 through the running gate system of injection mould, inject mould first cure, be applicable to manufacture large-scale, heavy wall, thin-walled, complex-shaped rubber.
After action of injection finishes, plastic is cooling and shaping in die cavity, due to volume contraction, core is produced to package power, when it releases from mould, just must overcome the frictional force producing because of package power.For not with cylinder, the shell class plastic part of through hole, during demoulding release, also need to overcome atmospheric pressure.In injection mould, the mechanism that safety and nondestructive is badly released from mould of the plastic products after cooling curing is called to mould emptier, be also ejecting mechanism or ejecting mechanism.Safety and nondestructive is bad while referring to the demoulding, and plastic is indeformable, do not damage, and sticking to mould not, white without top, it is attractive in appearance that position, thimble position does not affect plastic.
By power resources, mould emptier can be divided three classes:
(1) manual ejecting mechanism: after mould separates, with hand control mould emptier, plastic is deviate from.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.
(2) motor-driven ejecting mechanism: the ejecting mechanism on the die sinking action drives mould of dependence injector, realize plastic automatic demoulding.This class mould structure is complicated, is used for the situation that production lot is large, is current most widely used a kind of ejecting mechanism.It comprises the demoulding of thimble class, the ejector sleeve 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 to be provided with dedicated hydraulic or pneumatic means on injector or mould, plastic is outer or plastic is blown out outside mould by the ejecting mechanism launch mode on mould.
While producing tubular or shell class plastic in prior art, usually in conjunction with rear both the plastic member product ejecting mechanism of method project organization complexity, complete the demoulding, complex operation step, has reduced production efficiency, has improved the production cost of product.
Patent content
For existing stripper apparatus complex operation step, reduced production efficiency, improved the problem of the production cost of product.The object of this patent is to provide a kind of injection mold that is easy to the demoulding.
This patent solves the technical scheme that its technical problem adopts: it comprises upper die and lower die and the core matching, and it also comprises the stripper apparatus being connected on described injection mold.
Described stripper apparatus comprises and is symmetricly set in ambilateral two track plates of described injection mould, be relatively arranged on first medium-sized and second medium-sized of die cavity two ends of described injection mold, at least one fuse fixed block and at least two rollers that are individually fixed in described first medium-sized two ends, described track plates is provided with chute, one end of described fuse fixed block is flexibly connected with described core, the other end of described fuse fixed block is flexibly connected with described first medium-sized, described first medium-sized is all movably connected on described track plates with the two ends of described second medium-sized, slide in described chute by described roller in the two ends of described first medium-sized.
Described chute is by having angle and horizontal component and the sloping portion of rounding off form, 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 roller and the coordinating of track plates that is provided with chute, and complete the demoulding of goods, without special hydraulic pressure or pneumatic ejecting mechanism.It is simple in structure, easy to operate, and easily, die steel consumption is few for maintenance of equipment and maintenance, saves material.
Accompanying drawing explanation
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 plates;
Number in the figure explanation:
The upper heating plate of the upper thermal insulation board 4-of the dirty guidance tape 3-of 1-upper reaches guidance tape 2-
Thermal insulation board under heating plate 8-under template 7-under 5-cope match plate 6-
Under 9-, baffle plate 11-track plates 12-chute 13-is first medium-sized
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, the injection mold of rubber grommet in automobile of take is example, it is 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, upper thermal insulation board 3, upper heating plate 4 and cope match plate 5 be affixed forming successively from top to bottom, counterdie is by lower template 6, lower heating plate 7, and lower thermal insulation board 8 and lower baffle plate 9 be affixed forming successively from top to bottom, and each core is comprised 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 adopting with movable insert.In the present embodiment, in each die cavity of this mould, be provided with that four mo(u)ld top halves are inserted and four mo(u)ld bottom halves are corresponding thereto 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 form rubber grommet jointly.
This patent also comprises the stripper apparatus being connected on injection mold, and it comprises that symmetry is installed on two 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 plates 11 is provided with chute 12, and chute 12 is by having angle and horizontal component and the sloping portion of rounding off form, and the end of sloping portion extends to the bottom of injection mold, the dead in line of the center line of the horizontal component of chute 12 and the core 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 be in the interior slip of chute 12 of track plates 11.Second medium-sized 15 other end that is positioned at four rubber grommet die cavities, the two ends of second medium-sized 15 are all threaded on track plates 11.
After rubber grommet injection mo(u)lding, open mould, remove after upper die and lower die, goods are attached on core, and are suspended on the bracing frame of first medium-sized 13, second medium-sized 15 and two track plates, 11 formations.Now, horizontal direction pulls first medium-sized 13, and roller 16 slides along the horizontal component of chute 12, and move along direction of pull one end of rubber grommet, and its other end departs from second medium-sized 15 under pulling force effect, completes the demoulding of rubber grommet afterbody.While continuing to slide into the sloping portion of chute 12 along chute 12 for first medium-sized 13, the afterbody of rubber grommet is upturned, leave the horizontal plane at medium-sized place, now, can from mold cores, take off rubber grommet goods easily, stripper apparatus is simple in structure, ejecting mechanism that need not be special, and the demoulding has been easy to.
Those skilled in the art will recognize that; the above-mentioned specific embodiment is exemplary; in order to make those skilled in the art can better understand this patent content; should not be understood as the restriction to this patent protection domain; so long as disclose spiritual do any according to this patent, be equal to change or modify, all falling into this patent protection domain.
Claims (4)
1. be easy to an injection mold for the demoulding, comprise the upper die and lower die and the core that match, it is characterized in that: it also comprises the stripper apparatus being connected on described injection mold, described stripper apparatus comprises and is symmetricly set in ambilateral two track plates of described injection mould, be relatively arranged on first medium-sized and second medium-sized of die cavity two ends of described injection mold, at least one fuse fixed block and at least two rollers that are individually fixed in described first medium-sized two ends, described track plates is provided with chute, one end of described fuse fixed block is flexibly connected with described core, the other end of described fuse fixed block is flexibly connected with described first medium-sized, described first medium-sized is all movably connected on described track plates with the two ends of described second medium-sized, slide in described chute by described roller in the two ends of described first medium-sized.
2. injection mold according to claim 1, is characterized in that: described chute is by having angle and horizontal component and the sloping portion of rounding off form, and the end of described sloping portion extends to the bottom of described injection mold.
3. injection mold according to claim 2, 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.
4. injection mold according to claim 2, 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 CN102294785A (en) | 2011-12-28 |
| CN102294785B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102294785A (en) | 2011-12-28 |
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Granted publication date: 20140409 Termination date: 20160804 |