CN104960154A - Injection mold of large-angle arc circular pipe - Google Patents
Injection mold of large-angle arc circular pipe Download PDFInfo
- Publication number
- CN104960154A CN104960154A CN201510410976.0A CN201510410976A CN104960154A CN 104960154 A CN104960154 A CN 104960154A CN 201510410976 A CN201510410976 A CN 201510410976A CN 104960154 A CN104960154 A CN 104960154A
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- Prior art keywords
- core
- straight tube
- oil cylinder
- block
- mold
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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
- B29C45/261—Moulds having tubular mould cavities
- B29C45/2614—Moulds having tubular mould cavities for manufacturing bent tubular articles using an undercut forming mould core
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29C45/36—Moulds having means for locating or centering cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D24/00—Producing articles with hollow walls
-
- 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
- B29C45/36—Moulds having means for locating or centering cores
- B29C2045/363—Moulds having means for locating or centering cores using a movable core or core part
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides an injection mold of a large-angle arc circular pipe. The injection mold comprises an upper mold seat plate, a molding cavity fixing plate, a molding core fixing plate, a mold leg cushion block, a thimble cover plate, a thimble push plate, a lower mold seat plate, a molding core insert, a molding cavity insert, an elbow core-pulling oil cylinder, an oil cylinder pull strip, a first connection pin, a central small pull block, a second connection pin, an arc sliding block, an arc guide block, an elbow molding core, a straight pipe molding core, a sliding block body, an inclined guide column and a sliding block reinforcement bracket. According to the injection mold adopting above technical solution, the defects that a product cannot be fully injected and is under-injected during injection molding in the prior art in a two-section elbow product molding injection molding technology are overcome, and the actual production problems that the pressure on a mold cavity is hard to balance, multiple flanges are formed, injection is not full, more flanges are formed, the uniformity of the wall thickness is hard to guarantee, the efficiency is low and the like are solved; zero-defect automatic molding production of the product is realized by a simple mechanism, so that the forming quality of the product is effectively guaranteed; the injection mold is reasonable in structural design, compact in structure and stable in work.
Description
Technical field
The present invention relates to injection mold mechanism design field, be specially a kind of wide-angle circular arc pipe injection mold.
Background technology
As shown in Figure 1, during curved straight pipe injection mo(u)lding, there is straight figure in product one end, there is bending section in one end, and side also offers lateral orifices position, Design of Dies and processing all comparatively difficulty, during the mould actual production that prior art designs and manufactures, the Forming Quality such as be difficult to ensure the non-trimming of product and filling is full, must gate location reasonable in design and pouring type, is equipped with zero defect injection moulding production and the automation injection moulding production operation of the mould structure guarantee product of science simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of wide-angle circular arc pipe injection mold, reasonable in design, compact conformation, and working stability is safe and reliable, easy-to-use, for solving above-mentioned existing technical problem, the present invention adopts following scheme: a kind of cap for brush Leave out thread injection mold, comprise bend pipe to loose core cylinder bracket, rotational pin, wear-resisting ring, to loose core oil cylinder, slide block rotation crank, guiding geosynclinal block, link joint block, slide body, center of rotation pin, link block centrepin, bend pipe slider head, side action sliders, straight tube slider head, straight tube core-pulling slide block body, oil cylinder pull bar, straight tube is loosed core cylinder bracket, straight tube is loosed core oil cylinder, straight tube slide body briquetting, gate bush, centring ring, solid plate, moving platen, release link, release link spring, thimble cover plate, thimble push plate, counterdie seat board, die cavity mold insert, core mold insert.
As preferably, described mould die carrier structure assembly comprises gate bush, centring ring, solid plate, moving platen, release link, release link spring, thimble cover plate, thimble push plate, counterdie seat board.
As preferably, described bend pipe assembly of loosing core comprises loose core cylinder bracket, rotational pin, wear-resisting ring, bend pipe of bend pipe and to loose core oil cylinder, slide block rotation crank, guiding geosynclinal block, link joint block, slide body, center of rotation pin, link block centrepin, bend pipe slider head; Bend pipe oil cylinder one end of loosing core is installed on bend pipe by rotational pin, wear-resisting ring and looses core on cylinder bracket, and one end is installed on slide body by link joint block, link block centrepin, and the rotation for slide body is loosed core and provided power of loosing core; Slide block rotation crank one end is installed on mould moving platen by center of rotation pin, and one end is by connecting by pin and slide body; Guiding geosynclinal block is installed on moving platen, it is designed with circumference type gathering sill, for the circumferential slippage motion of slide body provides guiding.
As preferably, described straight tube loose core cylinder bracket, straight tube of assembly straight tube slider head, straight tube core-pulling slide block body, oil cylinder pull bar, straight tube of loosing core is loosed core oil cylinder, straight tube slide body briquetting; Straight tube core-pulling slide block body one end and straight tube oil cylinder of loosing core connects, and one end is provided with straight tube slider head, and straight tube oil cylinder of loosing core provides for it power of loosing core, and the mold closing state locking of straight tube core-pulling slide block body has been come by straight tube slide body briquetting.
As preferably, described mould molding assembly comprises the slider head part of die cavity mold insert, core mold insert, bend pipe slider head, straight tube slider head and side action sliders.
As preferably, described mold layout is that a mould goes out a chamber, and pouring type is cold runner side gate mode.
Beneficial effect: a kind of wide-angle circular arc pipe injection mold that the present invention adopts technique scheme to provide, overcome when curved straight pipe injection mo(u)lding, there is straight figure in product one end, there is bending section in one end, and side when also offering lateral orifices position product cast gate difficulty offer, the actual production problems such as injection moulding overlap is many, filling is not full, the zero-fault automation molding realizing the said goods with simple mechanism is produced, and effectively ensure that forming quality of products; Reasonable in design, compact conformation, working stability.
Accompanying drawing explanation
Fig. 1 is a kind of wide-angle circular arc of the present invention pipe injection mold institute application product schematic diagram;
Fig. 2 is a kind of wide-angle circular arc of the present invention pipe injection mold dynamic model schematic layout pattern;
Fig. 3 is a kind of wide-angle circular arc of the present invention pipe injection molding mould fixed die schematic diagram;
Fig. 4 is a kind of wide-angle circular arc of the present invention pipe injection mold base structural representation;
Fig. 5 is a kind of wide-angle circular arc of the present invention pipe injection mold straight tube core-pulling slide block body scheme of installation;
Fig. 6 is a kind of wide-angle circular arc of the present invention pipe injection mold core abutting joint schematic diagram;
Fig. 7 is a kind of wide-angle circular arc of the present invention pipe injection mold side slipper block loose core scheme of installation;
Fig. 8 is that a kind of wide-angle circular arc of the present invention pipe injection mold bend pipe is loosed core assembly scheme of installation;
Fig. 9 is that a kind of wide-angle circular arc of the present invention pipe injection mold bend pipe is loosed core oil cylinder scheme of installation.
Detailed description of the invention
Fig. 1-9 is depicted as related description figure of the present invention, a kind of wide-angle circular arc pipe injection mold, comprise bend pipe to loose core cylinder bracket 1, rotational pin 2, wear-resisting ring 3, to loose core oil cylinder 4, slide block rotation crank 5, guiding geosynclinal block 6, link joint block 7, slide body 8, center of rotation pin 9, link block centrepin 10, bend pipe slider head 11, side action sliders 12, straight tube slider head 13, straight tube core-pulling slide block body 14, oil cylinder pull bar 15, straight tube is loosed core cylinder bracket 16, straight tube is loosed core oil cylinder 17, straight tube slide body briquetting 18, gate bush 19, centring ring 20, solid plate 21, moving platen 22, release link 23, release link spring 24, thimble cover plate 25, thimble push plate 26, counterdie seat board 27, die cavity mold insert 28, core mold insert 29, as Fig. 2, Fig. 3, shown in Fig. 4.
Described mould die carrier structure assembly comprises gate bush 19, centring ring 20, solid plate 21, moving platen 22, release link 23, release link spring 24, thimble cover plate 25, thimble push plate 26, counterdie seat board 27.
Described bend pipe assembly of loosing core comprises loose core cylinder bracket 1, rotational pin 2, wear-resisting ring 3, bend pipe of bend pipe and to loose core oil cylinder 4, slide block rotation crank 5, guiding geosynclinal block 6, link joint block 7, slide body 8, center of rotation pin 9, link block centrepin 10, bend pipe slider head 11; Bend pipe oil cylinder 4 one end of loosing core is installed on bend pipe by rotational pin 2, wear-resisting ring 3 and looses core on cylinder bracket 1, and one end is installed on slide body 8 by link joint block 7, link block centrepin 10, and the rotation for slide body 8 is loosed core and provided power of loosing core; Slide block rotation crank 5 one end is installed on mould moving platen 22 by center of rotation pin 9, and one end is by connecting by pin and slide body 8; Guiding geosynclinal block 6 is installed on moving platen 22, it is designed with circumference type gathering sill, for the circumferential slippage motion of slide body 8 provides guiding, as shown in Fig. 2, Fig. 8, Fig. 9.
Described straight tube loose core cylinder bracket 16, straight tube of assembly straight tube slider head 13, straight tube core-pulling slide block body 14, oil cylinder pull bar 15, straight tube of loosing core is loosed core oil cylinder 17, straight tube slide body briquetting 18; Straight tube core-pulling slide block body 14 one end and straight tube oil cylinder 17 of loosing core connects, one end is provided with straight tube slider head 13, straight tube oil cylinder 17 of loosing core provides for it power of loosing core, the mold closing state locking of straight tube core-pulling slide block body 14 has been come by straight tube slide body briquetting 18, straight tube slider head 13 and the joint of bend pipe slider head 11 adopt circular cone to locate occlusion mode and contact, to guarantee the strength and stability of intracanalicular type core, as shown in Fig. 2, Fig. 5, Fig. 6.
Described mould molding assembly comprises the slider head part of die cavity mold insert 28, core mold insert 29, bend pipe slider head 11, straight tube slider head 13 and side action sliders 12, as shown in Fig. 2, Fig. 7.
Described mold layout is that a mould goes out a chamber, and pouring type is cold runner side gate mode.
During real work, as shown in Figure 3, its motion operation principle is as follows:
1) injection moulding of side core-pulling die is complete, and after die sinking, cavity surface is the demoulding; Side action sliders 12 leading side under the drive of its cover half skew back guide pillar is loosed core, and completes the core_pulling demoulding of side sky;
2) bend pipe position bend pipe of loosing core is loosed core oil cylinder 4 action, drives slide body 8 under the guiding of guiding geosynclinal block 6, slides mobile, thus extracted out from product by bend pipe slider head 11, thus complete the core_pulling demoulding of product bend pipe position along arc groove;
3) straight tube position straight tube of loosing core is loosed core oil cylinder 17 action, drives straight tube core-pulling slide block body 14 to skid off along chute straight line, thus drives straight tube slider head 13 to extract out from product straight tube position, complete the core_pulling demoulding at this position;
4) after ejecting product lateral orifices position, inner bend pipe position, straight tube position core_pulling demoulding, injection machine push rod promotes thimble push plate 26, thus product ejects from core mold insert 29 by promotion thimble, so far, and the complete demoulding of product;
5) when resetting, bend pipe is loosed core the first action of oil cylinder 4, drive slide body 8 under the guiding of guiding geosynclinal block 6, sliding along arc groove mobile resets closed, is then that straight tube is loosed core oil cylinder 17 action, drives straight tube core-pulling slide block body 14 to slide back to reset along chute straight line, when mould closes, side action sliders 12 is pushed back reset, and last mould is completely closed, waits for the beginning of next injection cycle.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit, those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (6)
1. a wide-angle circular arc pipe injection mold, comprise bend pipe to loose core cylinder bracket (1), rotational pin (2), wear-resisting ring (3), to loose core oil cylinder (4), slide block rotation crank (5), guiding geosynclinal block (6), link joint block (7), slide body (8), center of rotation pin (9), link block centrepin (10), bend pipe slider head (11), side action sliders (12), straight tube slider head (13), straight tube core-pulling slide block body (14), oil cylinder pull bar (15), straight tube is loosed core cylinder bracket (16), straight tube is loosed core oil cylinder (17), straight tube slide body briquetting (18), gate bush (19), centring ring (20), solid plate (21), moving platen (22), release link (23), release link spring (24), thimble cover plate (25), thimble push plate (26), counterdie seat board (27), die cavity mold insert (28), core mold insert (29).
2., according to claim 1 wide-angle circular arc pipe injection mold, described mould die carrier structure assembly comprises gate bush (19), centring ring (20), solid plate (21), moving platen (22), release link (23), release link spring (24), thimble cover plate (25), thimble push plate (26), counterdie seat board (27).
3., according to claim 1 wide-angle circular arc pipe injection mold, described bend pipe assembly of loosing core comprises loose core cylinder bracket (1), rotational pin (2), wear-resisting ring (3), bend pipe of bend pipe and to loose core oil cylinder (4), slide block rotation crank (5), guiding geosynclinal block (6), link joint block (7), slide body (8), center of rotation pin (9), link block centrepin (10), bend pipe slider head (11); Bend pipe is loosed core, and rotational pin (2) is passed through in oil cylinder (4) one end, wear-resisting ring (3) is installed on bend pipe and looses core on cylinder bracket (1), one end is installed on slide body (8) by link joint block (7), link block centrepin (10), and the rotation for slide body (8) is loosed core and provided power of loosing core; Slide block rotation crank (5) one end is installed on mould moving platen (22) by center of rotation pin (9), and one end is by connecting by pin and slide body (8); Guiding geosynclinal block (6) is installed on moving platen (22), it is designed with circumference type gathering sill, for the circumferential slippage motion of slide body (8) provides guiding.
4., according to claim 1 wide-angle circular arc pipe injection mold, described straight tube loose core cylinder bracket (16), straight tube of assembly straight tube slider head (13), straight tube core-pulling slide block body (14), oil cylinder pull bar (15), straight tube of loosing core is loosed core oil cylinder (17), straight tube slide body briquetting (18); Straight tube core-pulling slide block body (14) one end and straight tube oil cylinder (17) of loosing core connects, one end is provided with straight tube slider head (13), straight tube oil cylinder (17) of loosing core provides for it power of loosing core, and the mold closing state locking of straight tube core-pulling slide block body (14) has been come by straight tube slide body briquetting (18).
5., according to claim 1 wide-angle circular arc pipe injection mold, described mould molding assembly comprises the slider head part of die cavity mold insert (28), core mold insert (29), bend pipe slider head (11), straight tube slider head (13) and side action sliders (12).
6., according to claim 1 wide-angle circular arc pipe injection mold, described mold layout is that a mould goes out a chamber, and pouring type is cold runner side gate mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410976.0A CN104960154A (en) | 2015-07-14 | 2015-07-14 | Injection mold of large-angle arc circular pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410976.0A CN104960154A (en) | 2015-07-14 | 2015-07-14 | Injection mold of large-angle arc circular pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104960154A true CN104960154A (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510410976.0A Pending CN104960154A (en) | 2015-07-14 | 2015-07-14 | Injection mold of large-angle arc circular pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104960154A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738680A (en) * | 2016-12-20 | 2017-05-31 | 柳州通为机械有限公司 | A kind of automotive air intake pipe side core-pulling injection mold |
| CN107225195A (en) * | 2016-03-25 | 2017-10-03 | 苏州汉扬精密电子有限公司 | Bend pipe exit structure |
| CN108515669A (en) * | 2018-04-24 | 2018-09-11 | 河南恒发科技股份有限公司 | A kind of processing unit (plant) of 180 ° of union elbow molds of processing injection molding |
| CN112223660A (en) * | 2020-09-21 | 2021-01-15 | 浙江工商职业技术学院 | 180 return bend injection mold |
| CN113001910A (en) * | 2021-03-08 | 2021-06-22 | 上海铭嵌模塑科技有限公司 | Injection mold with channel inner arc-shaped chamfer demolding mechanism |
| CN113442380A (en) * | 2021-06-21 | 2021-09-28 | 江西晶超光学有限公司 | Injection mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH03108521A (en) * | 1989-09-22 | 1991-05-08 | Matsushita Electric Works Ltd | Taking off method for molded object |
| US6426031B1 (en) * | 1998-07-08 | 2002-07-30 | Frank F. Hayes, Jr. | Methods of fabricating a sweep elbow tube connector |
| CN202685155U (en) * | 2012-08-07 | 2013-01-23 | 宁波德科精密模塑有限公司 | Automobile engine air-outlet pipe circular arc core-pulling mechanism |
| CN203282682U (en) * | 2013-06-07 | 2013-11-13 | 深圳市畅盛精密模具有限公司 | Slide core pulling mechanism with connecting rod and injection mold |
| CN203650946U (en) * | 2013-12-31 | 2014-06-18 | 慈溪市盛艺模具有限公司 | Forming mould of elbow for automobile |
| CN203650881U (en) * | 2013-12-31 | 2014-06-18 | 慈溪市盛艺模具有限公司 | Core-pulling mould of vehicle connection pipe |
| CN203955808U (en) * | 2014-04-30 | 2014-11-26 | 天津瑞应鑫模具制造有限公司 | A kind of annulus pulled core structure |
-
2015
- 2015-07-14 CN CN201510410976.0A patent/CN104960154A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03108521A (en) * | 1989-09-22 | 1991-05-08 | Matsushita Electric Works Ltd | Taking off method for molded object |
| US6426031B1 (en) * | 1998-07-08 | 2002-07-30 | Frank F. Hayes, Jr. | Methods of fabricating a sweep elbow tube connector |
| CN202685155U (en) * | 2012-08-07 | 2013-01-23 | 宁波德科精密模塑有限公司 | Automobile engine air-outlet pipe circular arc core-pulling mechanism |
| CN203282682U (en) * | 2013-06-07 | 2013-11-13 | 深圳市畅盛精密模具有限公司 | Slide core pulling mechanism with connecting rod and injection mold |
| CN203650946U (en) * | 2013-12-31 | 2014-06-18 | 慈溪市盛艺模具有限公司 | Forming mould of elbow for automobile |
| CN203650881U (en) * | 2013-12-31 | 2014-06-18 | 慈溪市盛艺模具有限公司 | Core-pulling mould of vehicle connection pipe |
| CN203955808U (en) * | 2014-04-30 | 2014-11-26 | 天津瑞应鑫模具制造有限公司 | A kind of annulus pulled core structure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225195A (en) * | 2016-03-25 | 2017-10-03 | 苏州汉扬精密电子有限公司 | Bend pipe exit structure |
| CN107225195B (en) * | 2016-03-25 | 2019-09-20 | 苏州汉扬精密电子有限公司 | Bend pipe exit structure |
| CN106738680A (en) * | 2016-12-20 | 2017-05-31 | 柳州通为机械有限公司 | A kind of automotive air intake pipe side core-pulling injection mold |
| CN108515669A (en) * | 2018-04-24 | 2018-09-11 | 河南恒发科技股份有限公司 | A kind of processing unit (plant) of 180 ° of union elbow molds of processing injection molding |
| CN112223660A (en) * | 2020-09-21 | 2021-01-15 | 浙江工商职业技术学院 | 180 return bend injection mold |
| CN113001910A (en) * | 2021-03-08 | 2021-06-22 | 上海铭嵌模塑科技有限公司 | Injection mold with channel inner arc-shaped chamfer demolding mechanism |
| CN113442380A (en) * | 2021-06-21 | 2021-09-28 | 江西晶超光学有限公司 | Injection mould |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20151007 |