CN104369332B - A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment - Google Patents
A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment Download PDFInfo
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- CN104369332B CN104369332B CN201410668039.0A CN201410668039A CN104369332B CN 104369332 B CN104369332 B CN 104369332B CN 201410668039 A CN201410668039 A CN 201410668039A CN 104369332 B CN104369332 B CN 104369332B
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- China
- Prior art keywords
- injection mold
- mold apparatus
- matched moulds
- patrix
- mould
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
-
- 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
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
- B29C45/062—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction carrying mould halves co-operating with fixed mould halves
-
- 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
- B29C45/72—Heating or cooling
-
- 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
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
- B29C2045/067—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction one mould being openable during clamping of the other 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
- B29C45/72—Heating or cooling
- B29C2045/7271—Cooling of drive motors
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment, comprise matched moulds die-sinking device, dragging track and at least two injection mold apparatus groups (100,200), at least two injection mold apparatus groups distribute along the bearing of trend of dragging track, and eachly include four injection mold apparatus (67), described four injection mold apparatus (67) are arranged in square layout, and each injection mold apparatus (67) occupies a summit of square layout; Described matched moulds die-sinking device comprises liftable supporting frame, and described liftable supporting frame comprises lifting motor (1), and the rotating shaft of lifting motor (1) connects with elevating screw (16).
Description
Technical field
The present invention relates to injection mold field, especially a kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment.
Background technology
A kind of processing method used when injection mo(u)lding is some complex-shaped parts of batch production.The material melted that is heated is injected die cavity by high pressure by concrete finger, after cooling curing, obtains formed products.
Injection mold can shaping varied workpiece with complicated shape structure.But the die cost with complicated shape structure is high.And taking-up and the injection moulding time of forming process and shaping workpiece are all longer, therefore cause the process time longer.
Summary of the invention
The object of this invention is to provide a kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment, it can make full use of the patrix with complicated shape structure, and injection molding process and pickup and injection moulding preparation can be made synchronously to carry out, save process time and improve working (machining) efficiency.
The solution of the present invention is:
A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment, comprise matched moulds die-sinking device, dragging track and at least two injection mold apparatus groups, at least two injection mold apparatus groups distribute along the bearing of trend of dragging track, and eachly include four injection mold apparatus, described four injection mold apparatus are arranged in square layout, and each injection mold apparatus occupies a summit of square layout, described matched moulds die-sinking device comprises liftable supporting frame, described liftable supporting frame comprises lifting motor, the rotating shaft of lifting motor connects with elevating screw, elevating screw and inner thread sleeve threaded engagement, the outer circumference surface of inner thread sleeve is provided with gathering sill extending longitudinally, the shell of described lifting motor is fixedly connected with pilot sleeve, is provided with the guiding tooth be slidably matched with described gathering sill in pilot sleeve, and described gathering sill and described guiding tooth are fixed to one another in circumference direction of rotation, the lower end of inner thread sleeve is fixedly connected with the upper side of slide plate, and the downside of slide plate is provided with driving rolls, and driving rolls is driven by drive motors by belt, described dragging track is made up of the wallboard that two extend along line of travel, two described wallboards are provided with the hem flange extended toward each other, the both sides of slide plate have the sidepiece shoulder be slidably matched with described hem flange, the shell upper end of lifting motor is fixedly connected with one end of horizontal boom, the bearing of trend of horizontal boom is vertical with the bearing of trend of dragging track, the other end of horizontal boom is provided with rotating arm component, rotating arm component comprises the middle casing be fixedly connected with horizontal boom, top in middle casing is provided with turning arm drive motors, bottom is provided with rotating disc, rotating disc drives by turning arm drive motors, the downside of rotating disc is carried on described middle casing by thrust bearing, rotating disc is disc, its sidepiece is fixedly installed the turning arm that horizontal direction extends respectively in two diametrically relative positions, the end of each turning arm in two turning arms is provided with the mould engagement head of vertical direction extension, described lifting motor surface is provided with radiating fin, described radiating fin is fixedly connected with lifting motor, described radiating fin side is provided with fan, described fan is fixedly connected with radiating fin,
Described at least two injection mold apparatus groups, in each injection mold apparatus include upper die and lower die, operable locked mode pin is provided with between upper die and lower die, the upside of patrix is provided with the conjugate foramen for engaging with described mould engagement head, mould engagement head can be inserted in described conjugate foramen and with the fit system of resilient key and groove and automatic locking, the sealed power of described sealed generation can carry described patrix when described locked mode pin does not work and discharges thus by described liftable supporting frame lifting force effect under by its lift-off counterdie, and can during locked mode, make mould engagement head throw off with conjugate foramen by the lifting force effect of described liftable supporting frame in the work of locked mode pin,
During work, first at least two injection mold apparatus groups described in making, in each described group in two relative injection mold apparatus in upper die and lower die matched moulds, locked mode pin work and carry out locked mode, after injection mo(u)lding completes, two mould engagement head of matched moulds die-sinking device engage with the conjugate foramen on the patrix in two the described relative injection mold apparatus in described each described group, locked mode pin is discharged by controlling not work, matched moulds die-sinking device makes patrix and counterdie die sinking, and by two patrix swings thus by itself and the counterdie matched moulds in two other the relative injection mold apparatus in described each described group under the control of rotating arm component, locked mode pin work and carry out locked mode, injection mo(u)lding starts to perform, then two mould engagement head of matched moulds die-sinking device are thrown off with corresponding conjugate foramen under the lifting force effect of liftable supporting frame, at least two injection mold apparatus groups described in matched moulds die-sinking device runs to along dragging track under the driving of the driving rolls of slide plate, in another one injection mold apparatus group, and the patrix completed in two relative injection mold apparatus of injection mo(u)lding in described another one injection mold apparatus group to be moved on the counterdie in other two relative injection mold apparatus and to start injection mo(u)lding, at least two injection mold apparatus groups described in all, in injection mold apparatus group all complete patrix swap operation after, matched moulds die-sinking device comes back to the injection mold apparatus group of first time operation and again performs patrix swap operation, and circulates until processing work all completes according to this.
Pass through such scheme, while carrying out injection mo(u)lding at relative two die devices, in addition two relative die devices synchronously carry out pickup and injection moulding preparation, and after injection mo(u)lding and pickup and injection moulding preparation terminate, utilize matched moulds die-sinking device patrix can be exchanged thus injection mo(u)lding and pickup and injection moulding preparation are exchanged, can either patrix be made full use of thus, substantially increase working (machining) efficiency again.And utilize the driving of slide plate and driving rolls, similar operations can be carried out to many group die devices when the injection mo(u)lding time is longer, thus utilize die sinking mold closing mechanism more fully and fully improve the working (machining) efficiency of whole job shop, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the front view of system of the present invention;
Fig. 2 is the staged partial sectional view of Fig. 1 along the shown direction of arrow;
Fig. 3 is the partial enlarged drawing in Fig. 1;
Fig. 4 is the integral layout figure of set of molds of the present invention.
Detailed description of the invention
Below in conjunction with Fig. 1-4, the present invention is described in detail.
A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment, comprise matched moulds die-sinking device, dragging track and at least two injection mold apparatus groups 100,200, at least two injection mold apparatus groups distribute along the bearing of trend of dragging track, and eachly include four injection mold apparatus 67, described four injection mold apparatus 67 are arranged in square layout, and each injection mold apparatus 67 occupies a summit of square layout, described matched moulds die-sinking device comprises liftable supporting frame, described liftable supporting frame comprises lifting motor 1, the rotating shaft of lifting motor 1 connects with elevating screw 16, elevating screw 16 and inner thread sleeve 15 threaded engagement, the outer circumference surface of inner thread sleeve 15 is provided with gathering sill extending longitudinally, the shell of described lifting motor 10 is fixedly connected with pilot sleeve 14, be provided with the guiding tooth be slidably matched with described gathering sill in pilot sleeve 14, described gathering sill and described guiding tooth are fixed to one another in circumference direction of rotation, the lower end of inner thread sleeve 15 is fixedly connected with the upper side of slide plate 9, and the downside of slide plate 9 is provided with driving rolls 10, and driving rolls 10 is driven by drive motors 13 by belt 12, described dragging track is made up of the wallboard 8 that two extend along line of travel, two described wallboards 8 are provided with the hem flange 81 extended toward each other, the both sides of slide plate 9 have the sidepiece shoulder 91 be slidably matched with described hem flange 81, the shell upper end of lifting motor 1 is fixedly connected with one end of horizontal boom 2, the bearing of trend of horizontal boom 2 is vertical with the bearing of trend of dragging track, the other end of horizontal boom 2 is provided with rotating arm component, rotating arm component comprises the middle casing 4 be fixedly connected with horizontal boom 2, top in middle casing 4 is provided with turning arm drive motors 3, bottom is provided with rotating disc 5, rotating disc 5 drives by turning arm drive motors 3, the downside of rotating disc 5 is carried on described middle casing 4 by thrust bearing 51, rotating disc 5 is disc, its sidepiece is fixedly installed the turning arm 17 that horizontal direction extends respectively in two diametrically relative positions, the end of each turning arm 17 in two turning arms 17 is provided with the mould engagement head 18 of vertical direction extension, described lifting motor 1 surface is provided with radiating fin 101, described radiating fin 101 is fixedly connected with lifting motor 1, described radiating fin 101 side is provided with fan 102, described fan 102 is fixedly connected with radiating fin 101,
Described at least two injection mold apparatus groups 100, each injection mold apparatus 67 in 200 includes patrix 6 and counterdie 7, operable locked mode pin 671 is provided with between patrix 6 and counterdie 7, the upside of patrix 6 is provided with the conjugate foramen 61 for engaging with described mould engagement head 18, mould engagement head 18 can be inserted in described conjugate foramen 61 and with the fit system of resilient key and groove and automatic locking, the sealed power of described sealed generation can carry described patrix 6 when described locked mode pin 671 does not work and discharges thus by described liftable supporting frame lifting force effect under by its lift-off counterdie, and can work at locked mode pin 671 and locked mode time mould engagement head 18 is thrown off with conjugate foramen 61 by the lifting force effect of described liftable supporting frame,
During work, first at least two injection mold apparatus groups 100 described in making, patrix 6 in two relative injection mold apparatus 67 in each described group in 200 and counterdie 7 matched moulds, locked mode pin 671 works and carries out locked mode, after injection mo(u)lding completes, two mould engagement head 18 of matched moulds die-sinking device engage with the conjugate foramen 61 on the patrix 6 in two the described relative injection mold apparatus 67 in described each described group, locked mode pin 671 is discharged by controlling not work, matched moulds die-sinking device makes patrix 6 and counterdie 7 die sinking, and by two patrix 6 90-degree rotations thus by itself and counterdie 7 matched moulds in two other the relative injection mold apparatus 67 in described each described group under the control of rotating arm component, locked mode pin 671 works and carries out locked mode, injection mo(u)lding starts to perform, then two mould engagement head 18 of matched moulds die-sinking device are thrown off with corresponding conjugate foramen 61 under the lifting force effect of liftable supporting frame, at least two injection mold apparatus groups 100 described in matched moulds die-sinking device runs to along dragging track under the driving of the driving rolls 10 of slide plate 9, another one injection mold apparatus group in 200, and the patrix 6 completed in two relative injection mold apparatus 67 of injection mo(u)lding in described another one injection mold apparatus group to be moved on the counterdie 7 in other two relative injection mold apparatus 67 and to start injection mo(u)lding, at least two injection mold apparatus groups 100 described in all, after injection mold apparatus group in 200 all completes patrix swap operation, matched moulds die-sinking device comes back to the injection mold apparatus group of first time operation and again performs patrix swap operation, and circulates until processing work all completes according to this.
Wherein, the quantity of described at least two injection mold apparatus groups 100,200 is two.
Wherein, the fit system of described resilient key and groove is the fit system of the telescopic pin with V-type end and the V-type groove compressed by spring.
Wherein, the periphery of rotating disc 5 is evenly provided with four detents 52, in order to coordinate with equally distributed four the elastic telescopic alignment pins 53 of the circumferencial direction on middle casing 4, thus the position of rotation of rotating disc 5 is positioned.
Claims (4)
1. one kind is passed through fan-cooled injection mold apparatus matched moulds mould-opening equipment, comprise matched moulds die-sinking device, dragging track and at least two injection mold apparatus groups (100,200), at least two injection mold apparatus groups distribute along the bearing of trend of dragging track, and eachly include four injection mold apparatus (67), described four injection mold apparatus (67) are arranged in square layout, and each injection mold apparatus (67) occupies a summit of square layout, described matched moulds die-sinking device comprises liftable supporting frame, described liftable supporting frame comprises lifting motor (1), the rotating shaft of lifting motor (1) connects with elevating screw (16), elevating screw (16) and inner thread sleeve (15) threaded engagement, the outer circumference surface of inner thread sleeve (15) is provided with gathering sill extending longitudinally, the shell of described lifting motor (10) is fixedly connected with pilot sleeve (14), the guiding tooth be slidably matched with described gathering sill is provided with in pilot sleeve (14), described gathering sill and described guiding tooth are fixed to one another in circumference direction of rotation, the lower end of inner thread sleeve (15) is fixedly connected with the upper side of slide plate (9), and the downside of slide plate (9) is provided with driving rolls (10), and driving rolls (10) is driven by drive motors (13) by belt (12), described dragging track is made up of the wallboard (8) that two extend along line of travel, two described wallboards (8) are provided with the hem flange (81) extended toward each other, the both sides of slide plate (9) have the sidepiece shoulder (91) be slidably matched with described hem flange (81), the shell upper end of lifting motor (1) is fixedly connected with one end of horizontal boom (2), the bearing of trend of horizontal boom (2) is vertical with the bearing of trend of dragging track, the other end of horizontal boom (2) is provided with rotating arm component, rotating arm component comprises the middle casing (4) be fixedly connected with horizontal boom (2), top in middle casing (4) is provided with turning arm drive motors (3), bottom is provided with rotating disc (5), rotating disc (5) drives by turning arm drive motors (3), the downside of rotating disc (5) is carried on described middle casing (4) by thrust bearing (51), rotating disc (5) is disc, its sidepiece is fixedly installed the turning arm (17) that horizontal direction extends respectively in two diametrically relative positions, the end of each turning arm (17) in two turning arms (17) is provided with the mould engagement head (18) of vertical direction extension, described lifting motor (1) surface is provided with radiating fin (101), described radiating fin (101) is fixedly connected with lifting motor (1), described radiating fin (101) side is provided with fan (102), described fan (102) is fixedly connected with radiating fin (101),
Described at least two injection mold apparatus groups (100, 200) each injection mold apparatus (67) in includes patrix (6) and counterdie (7), operable locked mode pin (671) is provided with between patrix (6) and counterdie (7), the upside of patrix (6) is provided with the conjugate foramen (61) for engaging with described mould engagement head (18), mould engagement head (18) can be inserted in described conjugate foramen (61) and with the fit system of resilient key and groove and automatic locking, the sealed power of described sealed generation can carry described patrix (6) when described locked mode pin (671) does not work and discharges thus by described liftable supporting frame lifting force effect under by its lift-off counterdie, and during locked mode, mould engagement head (18) can be thrown off with conjugate foramen (61) by the lifting force effect of described liftable supporting frame in locked mode pin (671) work,
During work, first at least two injection mold apparatus groups (100 described in making, 200) patrix (6) in two the relative injection mold apparatus (67) in each described group in and counterdie (7) matched moulds, locked mode pin (671) works and carries out locked mode, after injection mo(u)lding completes, two mould engagement head (18) of matched moulds die-sinking device engage with the conjugate foramen (61) on the patrix (6) in two injection mold apparatus (67) of described relative in described each described group, locked mode pin (671) is discharged by controlling not work, matched moulds die-sinking device makes patrix (6) and counterdie (7) die sinking, and by two patrix (6) 90-degree rotations thus by itself and counterdie (7) matched moulds in two other the relative injection mold apparatus (67) in described each described group under the control of rotating arm component, locked mode pin (671) works and carries out locked mode, injection mo(u)lding starts to perform, then two mould engagement head (18) of matched moulds die-sinking device are thrown off with corresponding conjugate foramen (61) under the lifting force effect of liftable supporting frame, at least two injection mold apparatus groups (100 described in matched moulds die-sinking device runs to along dragging track under the driving of the driving rolls (10) of slide plate (9), 200) the another one injection mold apparatus group in, and the counterdie (7) moved to by the patrix (6) completed in described another one injection mold apparatus group in two relative injection mold apparatus (67) of injection mo(u)lding in other two relative injection mold apparatus (67) is gone up and starts injection mo(u)lding, at least two injection mold apparatus groups (100 described in all, 200) after the injection mold apparatus group in all completes patrix swap operation, matched moulds die-sinking device comes back to the injection mold apparatus group of first time operation and again performs patrix swap operation, and circulates until processing work all completes according to this.
2. as claimed in claim 1 by fan-cooled injection mold apparatus matched moulds mould-opening equipment, wherein, the quantity of described at least two injection mold apparatus groups (100,200) is two.
3. as claimed in claim 1 by fan-cooled injection mold apparatus matched moulds mould-opening equipment, wherein, the fit system of described resilient key and groove is the fit system of the telescopic pin with V-type end and the V-type groove compressed by spring.
4. as claimed in claim 1 by fan-cooled injection mold apparatus matched moulds mould-opening equipment, wherein, the periphery of rotating disc (5) is evenly provided with four detents (52), in order to coordinate with equally distributed four the elastic telescopic alignment pins (53) of the circumferencial direction on middle casing (4), thus the position of rotation of rotating disc (5) is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668039.0A CN104369332B (en) | 2014-11-21 | 2014-11-21 | A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668039.0A CN104369332B (en) | 2014-11-21 | 2014-11-21 | A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment |
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| Publication Number | Publication Date |
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| CN104369332A CN104369332A (en) | 2015-02-25 |
| CN104369332B true CN104369332B (en) | 2015-08-26 |
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| CN201410668039.0A Expired - Fee Related CN104369332B (en) | 2014-11-21 | 2014-11-21 | A kind of by fan-cooled injection mold apparatus matched moulds mould-opening equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105058728A (en) * | 2015-08-11 | 2015-11-18 | 苏州市博奥塑胶电子有限公司 | High-strength self-cooling die for injection molding |
| US10534097B2 (en) | 2016-10-14 | 2020-01-14 | Shanghai United Imaging Healthcare Co., Ltd. | Detector structure in a PET system |
| CN111531812B (en) * | 2020-05-26 | 2021-10-29 | 东莞景维精密塑胶模具有限公司 | Electrical heating injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2808516Y (en) * | 2005-04-18 | 2006-08-23 | 广东泓利机器有限公司 | Vertical mode-locking device |
| CN101733909A (en) * | 2008-11-25 | 2010-06-16 | 蔡业 | Mould opening and closing mechanism of wood-plastic board injection machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101241850B1 (en) * | 2007-07-19 | 2013-03-12 | 가부시키가이샤 소딕 | Mold clamping device for injection molding machine |
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2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2808516Y (en) * | 2005-04-18 | 2006-08-23 | 广东泓利机器有限公司 | Vertical mode-locking device |
| CN101733909A (en) * | 2008-11-25 | 2010-06-16 | 蔡业 | Mould opening and closing mechanism of wood-plastic board injection machine |
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| CN104369332A (en) | 2015-02-25 |
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Owner name: XIANGYANG WANLIAN SCIENCE INDUSTRY + TRADE CO., LT Free format text: FORMER OWNER: NINGBO JIANGDONG GUOKANG MACHINERY TECHNOLOGY CO., LTD. Effective date: 20150728 |
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