CN103600472B - Injection mold spring sliding block inclined is to core-pulling mechanism - Google Patents
Injection mold spring sliding block inclined is to core-pulling mechanism Download PDFInfo
- Publication number
- CN103600472B CN103600472B CN201310588358.6A CN201310588358A CN103600472B CN 103600472 B CN103600472 B CN 103600472B CN 201310588358 A CN201310588358 A CN 201310588358A CN 103600472 B CN103600472 B CN 103600472B
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- Prior art keywords
- core
- tiltedly
- spring
- gripper shoe
- compound plate
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Classifications
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- 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
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- 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
- B29C45/40—Removing or ejecting moulded articles
Abstract
Injection mold spring sliding block inclined is to core-pulling mechanism, comprise, lower compound plate, centring ring and gate bush is pacified in upper compound plate, upper compound plate divides into die cavity, perforation is opened in lower compound plate, lower compound plate is pacified spacer pin and mould pin, mould pin is established, lower ejector retainner plate, injector push rod contacts with lower ejector retainner plate through perforation, on, thimble is pacified between lower ejector retainner plate, mould pin is established in gripper shoe and establish core, working of plastics is had between core and die cavity, working of plastics opens inclined hole, it is characterized in that in core, opening tiltedly loose core groove and spring groove, tiltedly loose core to establish in groove and tiltedly loose core, tiltedly loose core one and have block, outer wall of tiltedly loosing core establishes spring of tiltedly loosing core, spring one end of tiltedly loosing core contacts with trench bottom of tiltedly loosing core, the other end contacts with block, wedge is pacified in gripper shoe, contact with block above wedge, in spring groove, setting is apart from spring and spacing blind rivet, spacing blind rivet head of a nail processed contacts with above core, other end is fixed through core and gripper shoe.
Description
Technical field
The present invention relates to injection mold, particularly relate to injection mold spring sliding block inclined to core-pulling mechanism.
Background technology
Injection mold is to after working of plastics injection mo(u)lding, if working of plastics has inclined hole, prior art adopts push rod directly to be ejected straight up by working of plastics, forced stripper mechanism, owing to being inclined hole, if the direction that working of plastics is deviate from is not consistent with the direction that inclined hole tilts, working of plastics is easily out of shape in strong de-process, it is white, damaged to draw, and even causes product rejection.One is also had to be, in core, oil cylinder is installed, after die sinking, oil cylinder first drives tiltedly loosing core slip to the inside to loose core, then by push rod, working of plastics is ejected, the shortcoming that this structure exists is: oil cylinder volume is large, is arranged on core inside, whole injection mold volume is increased, improve the manufacturing cost of whole injection mold, and oil cylinder is arranged on core inside, causes the cooling water channel of core inside that trouble is set, increase the manufacture difficulty of whole injection mold.
Summary of the invention
The object of the invention is the shortcoming existed to overcome prior art, providing a kind of and improving working of plastics yield rate, can ensure the formed precision of inclined hole, the injection mold spring sliding block inclined that guarantee working of plastics can be deviate from smoothly is to core-pulling mechanism.
Injection mold spring sliding block inclined of the present invention to the technical scheme of core-pulling mechanism is: comprise upper compound plate and lower compound plate, centring ring and gate bush are installed in upper compound plate, upper compound plate has die cavity, perforation is had in lower compound plate, lower compound plate is equipped with spacer pin and mould pin, spacer pin between mould pin is provided with ejector retainner plate and lower ejector retainner plate, injector push rod contacts with below lower ejector retainner plate through perforation, on, between lower ejector retainner plate, thimble is installed, mould pin is provided with gripper shoe, gripper shoe is provided with core, the working of plastics of injection mo(u)lding is had between core and die cavity, working of plastics has inclined hole, it is characterized in that: in described core, have tiltedly loose core groove and spring groove, be provided with in groove of tiltedly loosing core and tiltedly loose core, tiltedly loose core one and have block, spring of tiltedly loosing core is provided with at outer wall of tiltedly loosing core, spring one end of tiltedly loosing core contacts with trench bottom of tiltedly loosing core, the other end contacts with block, in gripper shoe, wedge is installed, contact with block above wedge, spacing spring and spacing blind rivet is provided with in spring groove, spacing blind rivet one is shaped with the head of a nail, the head of a nail contacts with above core, other end fixes through core and gripper shoe.
The invention discloses a kind of injection mold spring sliding block inclined to core-pulling mechanism, when after working of plastics injection mo(u)lding, the oil cylinder driving lower compound plate to open mould assembling action unclamps, spacing spring promotes gripper shoe and moves backward under the effect of restoring force, mould is first opened from core and gripper shoe, while opening between core and gripper shoe, gripper shoe drives wedge to move backward, the spring of tiltedly loosing core of tiltedly loosing core in groove promotes block and moves backward along groove of tiltedly loosing core under the effect of restoring force, block drives tiltedly to loose core and moves backward, loosed core in the direction of tiltedly loosing core along working of plastics inclined hole, when gripper shoe drives the head of a nail on spacing blind rivet to move to when contacting above core backward, gripper shoe stops moving backward, this at present compound plate band dynamic model pin move backward, mould tape moves gripper shoe, on, lower ejector retainner plate, core and working of plastics move simultaneously backward, mould is opened from core and die cavity, when moving to the position of injector push rod backward, injector push rod withstands lower ejector retainner plate through perforation and stops mobile, lower ejector retainner plate withstands ejector retainner plate and thimble stops mobile, thimble is by working of plastics ejection device.This programme injection mold spring sliding block inclined is to core-pulling mechanism, adopt and first open from core and gripper shoe when mould die sinking, wedge is exited backward a bit of, driven tiltedly to loose core first to carry out loosing core by spring of tiltedly loosing core and exit the inclined hole of working of plastics, then working of plastics ejects by mould die sinking, the direction of loosing core of tiltedly loosing core is consistent with inclined hole incline direction, structure is simple, reliable in action, ensures the formed precision of inclined hole, improve working of plastics yield rate, ensure that working of plastics can be deviate from smoothly.
Injection mold spring sliding block inclined of the present invention, to core-pulling mechanism, is shaped with cambered surface projection under described block, cambered surface projection contacts with above wedge.There is cambered surface projection to contact with wedge, reduced frictional contact surface, reduce wearing and tearing, improve service life.Have pilot hole in described die cavity, be provided with guide pin bushing in pilot hole, be provided with guide pillar on the supporting plate, guide pillar matches with guide pin bushing.Guide pillar coordinates with pilot hole, and guiding accurately, has had guide pin bushing to improve service life.
Accompanying drawing explanation
Fig. 1 is that injection mold spring sliding block inclined is to core-pulling mechanism matched moulds status architecture schematic diagram;
Fig. 2 is that injection mold spring sliding block inclined is to core-pulling mechanism from core and gripper shoe open mode structural representation;
Fig. 3 is that injection mold spring sliding block inclined is to core-pulling mechanism die opening state structural representation.
Detailed description of the invention
The present invention relates to a kind of injection mold spring sliding block inclined to core-pulling mechanism, as shown in Fig. 1-Fig. 3, comprise compound plate 1 and lower compound plate 2, centring ring 3 and gate bush 4 are installed in upper compound plate, upper compound plate has die cavity 5, perforation 6 is had in lower compound plate 2, lower compound plate is equipped with spacer pin 7 and mould pin 8, spacer pin between mould pin is provided with ejector retainner plate 9 and lower ejector retainner plate 10, injector push rod 11 contacts with lower ejector retainner plate 10 below through perforation 6, on, between lower ejector retainner plate, thimble 12 is installed, mould pin is provided with gripper shoe 13, gripper shoe is provided with core 14, the working of plastics 15 of injection mo(u)lding is had between core and die cavity 5, working of plastics has inclined hole 16, it is characterized in that: in described core 14, have tiltedly loose core groove 17 and spring groove 18, be provided with in groove of tiltedly loosing core and tiltedly loose core 19, tiltedly loose core one and have block 20, spring 21 of tiltedly loosing core is provided with at outer wall of tiltedly loosing core, spring one end of tiltedly loosing core touches with groove 17 bottom connection of tiltedly loosing core, the other end contacts with block 20, wedge 22 is installed in gripper shoe 13, contact with block 20 above wedge, spacing spring 23 and spacing blind rivet 24 is provided with in spring groove 18, spacing blind rivet one is shaped with the head of a nail 25, the head of a nail contacts with above core, other end fixes through core and gripper shoe 13.When after working of plastics 15 injection mo(u)lding, the oil cylinder driving lower compound plate 2 to open mould assembling action unclamps, spacing spring 23 promotes gripper shoe 13 and moves backward under the effect of restoring force, mould is first opened from core 14 and gripper shoe 13, while opening between core and gripper shoe, gripper shoe drives wedge 22 to move backward, the spring 21 of tiltedly loosing core of tiltedly loosing core in groove 17 promotes block 20 and moves backward along groove of tiltedly loosing core under the effect of restoring force, block drives tiltedly to loose core and 19 to move backward, loosed core in the direction of tiltedly loosing core along working of plastics 15 inclined hole 16, when gripper shoe 13 drives the head of a nail 25 on spacing blind rivet 24 to move to when contacting above core 14 backward, gripper shoe 13 stops moving backward, this at present compound plate 2 be with dynamic model pin 8 to move backward, mould tape moves gripper shoe, on, lower ejector retainner plate, core 14 and working of plastics 15 move simultaneously backward, mould is opened from core and die cavity 5, when moving to the position of injector push rod 11 backward, injector push rod withstands lower ejector retainner plate 10 through perforation 6 and stops mobile, lower ejector retainner plate withstands ejector retainner plate 9 and thimble 12 stops mobile, thimble is by working of plastics 15 ejection device.This programme injection mold spring sliding block inclined is to core-pulling mechanism, adopt and first open from core 14 and gripper shoe 13 when mould die sinking, wedge 22 is exited backward a bit of, driven tiltedly to loose core by spring 21 of tiltedly loosing core and 19 first carry out loosing core and exit the inclined hole 16 of working of plastics, then working of plastics 15 ejects by mould die sinking, tiltedly loose core 19 direction of loosing core consistent with inclined hole incline direction, structure is simple, reliable in action, ensures the formed precision of inclined hole 16, improve working of plastics yield rate, ensure that working of plastics can be deviate from smoothly.Described block is shaped with cambered surface projection 26 20 times, and cambered surface is protruding to contact above with wedge 22.There is cambered surface protruding 26 to contact with wedge 22, reduced frictional contact surface, reduce wearing and tearing, improve service life.Have pilot hole 27 in described die cavity 5, be provided with guide pin bushing 28 in pilot hole, gripper shoe 13 is provided with guide pillar 29, and guide pillar matches with guide pin bushing.Guide pillar 29 coordinates with pilot hole 27, and guiding accurately, has had guide pin bushing 28 to improve service life.
Claims (3)
1. injection mold spring sliding block inclined is to core-pulling mechanism, comprise compound plate (1) and lower compound plate (2), centring ring (3) and gate bush (4) are installed in upper compound plate, upper compound plate has die cavity (5), perforation (6) is had in lower compound plate (2), lower compound plate is equipped with spacer pin (7) and mould pin (8), spacer pin between mould pin is provided with ejector retainner plate (9) and lower ejector retainner plate (10), injector push rod (11) contacts with lower ejector retainner plate (10) below through perforation (6), on, thimble (12) is installed between lower ejector retainner plate, mould pin is provided with gripper shoe (13), gripper shoe is provided with core (14), the working of plastics (15) of injection mo(u)lding is had between core and die cavity (5), working of plastics has inclined hole (16), it is characterized in that: in described core (14), have groove of tiltedly loosing core (17) and spring groove (18), be provided with tiltedly loose core (19) in groove of tiltedly loosing core, tiltedly loose core one and have block (20), spring of tiltedly loosing core (21) is provided with at outer wall of tiltedly loosing core, spring one end of tiltedly loosing core touches with groove (17) bottom connection of tiltedly loosing core, the other end contacts with block (20), in gripper shoe (13), wedge (22) is installed, contact with block (20) above wedge, spacing spring (23) and spacing blind rivet (24) is provided with in spring groove (18), spacing blind rivet one is shaped with the head of a nail (25), the head of a nail contacts with above core, other end fixes through core and gripper shoe (13).
2. injection mold spring sliding block inclined as claimed in claim 1 is to core-pulling mechanism, it is characterized in that: be shaped with cambered surface projection (26) under described block (20), and cambered surface projection (26) contacts above with wedge (22).
3. injection mold spring sliding block inclined as claimed in claim 1 is to core-pulling mechanism, it is characterized in that: in described die cavity (5), have pilot hole (27), be provided with guide pin bushing (28) in pilot hole, gripper shoe (13) is provided with guide pillar (29), and guide pillar matches with guide pin bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310588358.6A CN103600472B (en) | 2013-11-21 | 2013-11-21 | Injection mold spring sliding block inclined is to core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310588358.6A CN103600472B (en) | 2013-11-21 | 2013-11-21 | Injection mold spring sliding block inclined is to core-pulling mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103600472A CN103600472A (en) | 2014-02-26 |
| CN103600472B true CN103600472B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310588358.6A Active CN103600472B (en) | 2013-11-21 | 2013-11-21 | Injection mold spring sliding block inclined is to core-pulling mechanism |
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| CN (1) | CN103600472B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129037B (en) * | 2014-05-13 | 2016-05-25 | 张振岳 | Automobile headlamp light-strip injection mould and injection moulding process |
| CN108705062B (en) * | 2018-06-02 | 2021-07-20 | 斯达康（福建）五金科技有限公司 | Side-drawing die-casting die |
| CN110450357A (en) * | 2019-07-31 | 2019-11-15 | 浙江凯华模具有限公司 | Injection mould slanted spring assembly long range side core-pulling mechanism |
| CN111703035B (en) * | 2020-06-17 | 2022-06-07 | 东莞市江霖五金实业有限公司 | Ejection device of injection mold |
| CN113103523A (en) * | 2020-10-11 | 2021-07-13 | 罗文俊 | Injection mold for molding change-over switch connecting piece |
| CN113211741A (en) * | 2021-04-29 | 2021-08-06 | 浙江凯华模具有限公司 | Inside two bullet needles of car bumper injection mold take off back-off mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202826289U (en) * | 2012-09-19 | 2013-03-27 | 台州市凯华塑业有限公司 | Injection mold spring outward core-pulling mechanism |
| CN203046170U (en) * | 2013-01-11 | 2013-07-10 | 台州市凯华塑业有限公司 | Mechanism of wedge slide block of injection mold for resetting thimble in advance |
| CN203622841U (en) * | 2013-11-21 | 2014-06-04 | 浙江凯华模具有限公司 | Slant core-pulling mechanism of injection mould spring sliding block |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0725104B2 (en) * | 1982-06-23 | 1995-03-22 | 株式会社日立製作所 | Plastic mold equipment |
| US7435079B2 (en) * | 2006-04-18 | 2008-10-14 | Cheng Uei Precision Industry Co., Ltd. | Angular ejector mechanism and injection mold with the same |
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2013
- 2013-11-21 CN CN201310588358.6A patent/CN103600472B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202826289U (en) * | 2012-09-19 | 2013-03-27 | 台州市凯华塑业有限公司 | Injection mold spring outward core-pulling mechanism |
| CN203046170U (en) * | 2013-01-11 | 2013-07-10 | 台州市凯华塑业有限公司 | Mechanism of wedge slide block of injection mold for resetting thimble in advance |
| CN203622841U (en) * | 2013-11-21 | 2014-06-04 | 浙江凯华模具有限公司 | Slant core-pulling mechanism of injection mould spring sliding block |
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| CN103600472A (en) | 2014-02-26 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Oblique core pulling mechanism of spring slider of injection mold Effective date of registration: 20220704 Granted publication date: 20150902 Pledgee: Agricultural Bank of China Limited Taizhou Economic Development Zone sub branch Pledgor: ZHEJIANG KAIHUA MOULDS Co.,Ltd. Registration number: Y2022330001226 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |