CN103934978A - Plastic mold capable of finishing back-off core pulling of product - Google Patents
Plastic mold capable of finishing back-off core pulling of product Download PDFInfo
- Publication number
- CN103934978A CN103934978A CN201310025694.XA CN201310025694A CN103934978A CN 103934978 A CN103934978 A CN 103934978A CN 201310025694 A CN201310025694 A CN 201310025694A CN 103934978 A CN103934978 A CN 103934978A
- Authority
- CN
- China
- Prior art keywords
- slide block
- caster
- panel
- angle pin
- core
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
Abstract
The invention discloses a plastic mold capable of finishing back-off core pulling of a product. The plastic mold comprises a panel, a female template, a male template, a male mold core, a female mold core, slide blocks, inclined guide posts, a limiting rod, a braking block and mold buckles, wherein the panel is mounted on the top surface of female template, the bottom surface of the female template leans against the top surface of the male template, and the mold buckles are mounted on the outer walls of the female template and the male template; and the upper end of the limiting rod is arranged on the female template and is fixed on the panel, a first slide block is mounted in the female template in a sliding manner, and a second slide block and a third slide block are respectively mounted in the male template in a sliding manner. According to the plastic mold, as the panel is added to the female template, the first slide block taken as a back-off portion cavity of a product can be firstly subjected to the core pulling by utilizing the components such as the first slide block, a first inclined guide post and the braking block which are arranged on the panel, a back-off position is separated, and then the second slide block and the third slide block are subjected to the core pulling; and in a mold assembling process, the first slide block (6) can be tightly ejected and pressed in the cavity by the braking block on the panel so as to realize the once molding of the product, so that the rate of finished products is high.
Description
Technical field
The present invention relates to a kind of mould of plastics, particularly relate to a kind of mould of plastics that product back-off is loosed core that completes.
Background technology
The structure of the plastic product on existing market becomes increasingly complex, many plastic products all have inside groove or endoporus, as automobile rearview mirror 100(as shown in Figure 6) mainly by base 101 and Tuo Er 102, formed, holder ear 102 is for installing rearview mirror, base 101 is for agreeing with window frame, inside at holder ear 102 is provided with some reinforcements and for connecting the attaching parts of rearview mirror, there is back-off, need be at single injection-molded, on these three sides, there are inside groove or endoporus, need to adopt the method for side core-pulling to carry out the demoulding.The mould of the rearview mirror of commonly using (as shown in Figure 1) adopts is that the slide block 1', 2 ' on two sides carries out side core-pulling with guide pillar 3 ', 4 ', and the first slide block 6 ' simultaneously carries out back-off side core-pulling with oil cylinder 6 '.After die cavity closure, the structure that this employing oil cylinder 6 ' carries out side core-pulling usually can produce overlap because oil cylinder working-pressure deficiency causes plastic products, has affected the quality of product.In addition, commonly use the master mold of mould of rearview mirror for directly to process die cavity in template, the part that die cavity is template, once die cavity damage, will be by whole template replacement, material is comparatively wasted.
Summary of the invention
The object of the present invention is to provide a kind of can one-shot forming, completed product back-off that yield rate the is high mould of plastics of loosing core.
For achieving the above object, technical solution of the present invention is:
The present invention is a kind of mould of plastics that product back-off is loosed core that completes, and it comprises that panel, caster, male model plate, male die core, mother module core, the first slide block, the second slide block, the 3rd slide block, the first Angle Pin, the second Angle Pin, the 3rd Angle Pin, gag lever post, fastening block, mould buckle; Described erecting of panel is at the end face of caster, and the end face closing of the bottom surface of caster and male model plate is provided with mould button on caster and male model plate outer wall; Described male die core is fixed on male model plate, and mother module core is fixed on caster; The upper end of described gag lever post is fixed on panel through after the aperture of caster upper shoulder hole, and the limited block gap of gag lever post lower end is nested with in the macropore of caster shoulder hole and can leans with the cascaded surface of shoulder hole; The first described slide block is slidably arranged in caster, and the upper end of fastening block is fixed on panel, and the lower end of fastening block leans in the outer end of the first slide block and the first slide block top is tightly pressed in the back-off position of die cavity; The second described slide block, the 3rd slide block are slidably arranged on respectively in male model plate; On panel, be provided with the first Angle Pin of corresponding the first slide block, on caster, be fixed with respectively, second Angle Pin that the second slide block, the 3rd slide block move around for driving, the 3rd Angle Pin, on the first slide block, the second slide block, the 3rd slide block, be all provided with slanting guide pillar hole, the first Angle Pin, the second Angle Pin, the 3rd Angle Pin be movable being located in the slanting guide pillar hole of the first slide block, the second slide block, the 3rd slide block respectively.
Above the second Angle Pin, the 3rd Angle Pin, be respectively equipped with briquetting, briquetting is fixed on caster.
Between panel and caster, be provided with Compress Spring.
Adopt after such scheme, the mode of setting up a panel due to the present invention on caster, the members such as the first slide block by arranging on panel, the first Angle Pin, fastening block, can first will loose core as the first slide block of product back-off position die cavity, back-off position is departed from, carry out loosing core of the second slide block, the 3rd slide block again, thereby realize the one-shot forming of product, yield rate is high.The fit structure of panel of the present invention, the first slide block, the first Angle Pin has substituted traditional employing oil cylinder slide block is loosed core and easily produced the technical problem of burr.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 commonly uses rearview mirror mould structure schematic diagram;
Fig. 2 is the axonometric drawing of overlooking of the present invention;
Fig. 3 is the axonometric drawing of looking up of the present invention;
Fig. 4 is the present invention the first slide block cooperation figure;
Fig. 5 is gag lever post of the present invention and the schematic diagram that coordinates of mother module core;
Fig. 6 is the structural representation of rearview mirror.
The specific embodiment
As shown in Figure 2, Figure 4 shows, the present invention is a kind of mould of plastics that product back-off is loosed core that completes, and it comprises, and panel 1, caster 2, male model plate 3, male die core 4, mother module core 5, the first slide block 6, the second slide block 7, the 3rd slide block 8, the first Angle Pin 9, the second Angle Pin 10, the 3rd Angle Pin 11, gag lever post 12, fastening block 13, mould buckle 14, briquetting 15, Compress Spring 16.
Described panel 1 is arranged on the end face of caster 2, between panel 1 and caster 2, is provided with Compress Spring 16, and the end face closing of the bottom surface of caster 2 and male model plate 3 is provided with mould button 14 on caster 2 and male model plate 3 outer walls.Described male die core 4 is fixed on male model plate 2, and mother module core 5 is fixed on caster 2.
Shown in Fig. 5, the upper end of described gag lever post 12 is fixed on panel 1 through after the aperture 21 of caster 2 upper shoulder holes, and limited block 121 gaps of gag lever post 12 lower ends are nested with in the macropore 22 of caster 2 shoulder holes and can lean with the cascaded surface 23 of shoulder hole.
Shown in Fig. 3, the first described slide block 6 is slidably arranged in caster 2, and the upper end of fastening block 11 is fixed on panel 1, and the lower end of fastening block 11 leans in the outer end of the first slide block 6 the first slide block 6 top is tightly pressed in the back-off position of die cavity.On panel 1, be fixed with the first Angle Pin 9 for driving the first slide block 6 to move around, described the second slide block 7, the 3rd slide block 8 are slidably arranged on respectively in male model plate 3; On caster 2, corresponding the second slide block 7, the 3rd slide block 8 places are fixed with respectively the second Angle Pin 10, the 3rd Angle Pin 11 for driving the second slide block 7, the 3rd slide block 8 to move around, on the first slide block 6, the second slide block 7, the 3rd slide block 8, be all provided with slanting guide pillar hole, the first Angle Pin 9, the second Angle Pin 10, the 3rd Angle Pin 11 be movable being located in the slanting guide pillar hole of the first slide block 6, the second slide block 7, the 3rd slide block 8 respectively.
In order to prevent that the second Angle Pin 10, the 3rd Angle Pin 11 from departing from caster 2, above the second Angle Pin 10, the 3rd Angle Pin 11, be respectively equipped with briquetting 15, briquetting 15 is fixed on caster 2.
Operation principle of the present invention:
As Fig. 2, shown in Fig. 5, on caster 2, set up a panel 1, the first Angle Pin 9 and fastening block 13, utilize the drawing mechanism of injection molding machine to be applied to the tensile force of panel 1, relation due to the mould button 14 between caster 2 and male model plate 3, therefore panel 1 is first separated with caster 2, the first slide block 6 can be along the lead of the first Angle Pin 9, realize and the 3rd slide block 8 partings (the first slide block 6 and the 3rd slide block 8 are as the die cavity of holder ear internals), in the outside of the first slide block 6, be provided with fastening block 13 simultaneously, this fastening block 13 can lean in the outer end of the first slide block 6 the first slide block 6 top is tightly pressed in die cavity when matched moulds.When panel 1 and caster 2 are separated to certain position, be subject to the position-limiting action of gag lever post 12, now the relative distance between panel 1 and caster 2 is fixed, drawing mechanism continues counter plate 1 and applies tensile force, then open for connecting the mould button 14 between caster 2 and male model plate 3, thereby realize the disengaging between male model plate 3 and caster 2, make the second slide block 7, the 3rd slide block 8 under the draw of the second Angle Pin 10, the 3rd Angle Pin 11, complete matched moulds and the parting of the second slide block 7, the 3rd slide block 8.
Emphasis of the present invention is just: adopt panel, the first Angle Pin, fastening block structure.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process with this, the equivalence of doing according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (3)
1. can complete the mould of plastics that product back-off is loosed core, it is characterized in that: it comprises that panel, caster, male model plate, male die core, mother module core, the first slide block, the second slide block, the 3rd slide block, the first Angle Pin, the second Angle Pin, the 3rd Angle Pin, gag lever post, fastening block, mould buckle; Described erecting of panel is at the end face of caster, and the end face closing of the bottom surface of caster and male model plate is provided with mould button on caster and male model plate outer wall; Described male die core is fixed on male model plate, and mother module core is fixed on caster; The upper end of described gag lever post is fixed on panel through after the aperture of caster upper shoulder hole, and the limited block gap of gag lever post lower end is nested with in the macropore of caster shoulder hole and can leans with the cascaded surface of shoulder hole; The first described slide block is slidably arranged in caster, and the upper end of fastening block is fixed on panel, and the lower end of fastening block leans in the outer end of the first slide block and the first slide block top is tightly pressed in the back-off position of die cavity; The second described slide block, the 3rd slide block are slidably arranged on respectively in male model plate; On panel, be provided with the first Angle Pin of corresponding the first slide block, on caster, be fixed with respectively, second Angle Pin that the second slide block, the 3rd slide block move around for driving, the 3rd Angle Pin, on the first slide block, the second slide block, the 3rd slide block, be all provided with slanting guide pillar hole, the first Angle Pin, the second Angle Pin, the 3rd Angle Pin be movable being located in the slanting guide pillar hole of the first slide block, the second slide block, the 3rd slide block respectively.
2. according to claim 1ly complete the mould of plastics that product back-off is loosed core, it is characterized in that: above the second Angle Pin, the 3rd Angle Pin, be respectively equipped with briquetting, briquetting is fixed on caster.
3. according to claim 1ly complete the mould of plastics that product back-off is loosed core, it is characterized in that: between panel and caster, be provided with Compress Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025694.XA CN103934978A (en) | 2013-01-23 | 2013-01-23 | Plastic mold capable of finishing back-off core pulling of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025694.XA CN103934978A (en) | 2013-01-23 | 2013-01-23 | Plastic mold capable of finishing back-off core pulling of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103934978A true CN103934978A (en) | 2014-07-23 |
Family
ID=51182978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310025694.XA Pending CN103934978A (en) | 2013-01-23 | 2013-01-23 | Plastic mold capable of finishing back-off core pulling of product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103934978A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328873A (en) * | 2014-08-08 | 2016-02-17 | 群达模具(深圳)有限公司 | Inclined core pulling device |
| CN113085113A (en) * | 2021-06-04 | 2021-07-09 | 宁波均胜群英汽车系统股份有限公司 | Core pulling structure for producing injection mold for rearview mirror shell |
Citations (7)
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|---|---|---|---|---|
| CN101347982A (en) * | 2007-07-16 | 2009-01-21 | 汉达精密电子(昆山)有限公司 | Mold structure |
| CN201761026U (en) * | 2010-08-31 | 2011-03-16 | 圣美精密工业(昆山)有限公司 | Injection die having auxiliary ejection mechanism |
| CN102029667A (en) * | 2009-09-30 | 2011-04-27 | 厦门市欣成业工贸有限公司 | Die structure for manufacturing rearview mirror |
| CN102145520A (en) * | 2011-03-11 | 2011-08-10 | 昆山鑫泰利精密模具有限公司 | Female die side forcibly removing device for die |
| CN102717491A (en) * | 2012-07-03 | 2012-10-10 | 宁波金氏实业有限公司 | Secondary slide block core pulling mechanism |
| CN102848532A (en) * | 2012-09-28 | 2013-01-02 | 长城汽车股份有限公司 | Inclined core-pulling mechanism of plastic injection mold |
| CN203110262U (en) * | 2013-01-23 | 2013-08-07 | 厦门市欣成业工贸有限公司 | Plastic mold capable of finishing back-off core pulling of product |
-
2013
- 2013-01-23 CN CN201310025694.XA patent/CN103934978A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347982A (en) * | 2007-07-16 | 2009-01-21 | 汉达精密电子(昆山)有限公司 | Mold structure |
| CN102029667A (en) * | 2009-09-30 | 2011-04-27 | 厦门市欣成业工贸有限公司 | Die structure for manufacturing rearview mirror |
| CN201761026U (en) * | 2010-08-31 | 2011-03-16 | 圣美精密工业(昆山)有限公司 | Injection die having auxiliary ejection mechanism |
| CN102145520A (en) * | 2011-03-11 | 2011-08-10 | 昆山鑫泰利精密模具有限公司 | Female die side forcibly removing device for die |
| CN102717491A (en) * | 2012-07-03 | 2012-10-10 | 宁波金氏实业有限公司 | Secondary slide block core pulling mechanism |
| CN102848532A (en) * | 2012-09-28 | 2013-01-02 | 长城汽车股份有限公司 | Inclined core-pulling mechanism of plastic injection mold |
| CN203110262U (en) * | 2013-01-23 | 2013-08-07 | 厦门市欣成业工贸有限公司 | Plastic mold capable of finishing back-off core pulling of product |
Non-Patent Citations (1)
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| 刘华刚: "《模具制造技术》", 30 June 2008 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328873A (en) * | 2014-08-08 | 2016-02-17 | 群达模具(深圳)有限公司 | Inclined core pulling device |
| CN105328873B (en) * | 2014-08-08 | 2017-12-29 | 群达模具(深圳)有限公司 | A kind of angled core-pulling device |
| CN113085113A (en) * | 2021-06-04 | 2021-07-09 | 宁波均胜群英汽车系统股份有限公司 | Core pulling structure for producing injection mold for rearview mirror shell |
| CN113085113B (en) * | 2021-06-04 | 2021-08-20 | 宁波均胜群英汽车系统股份有限公司 | Core pulling structure for producing injection mold for rearview mirror shell |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140723 |