CN103128936A - Thread side core-pulling mechanism - Google Patents
Thread side core-pulling mechanism Download PDFInfo
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- CN103128936A CN103128936A CN2013100257158A CN201310025715A CN103128936A CN 103128936 A CN103128936 A CN 103128936A CN 2013100257158 A CN2013100257158 A CN 2013100257158A CN 201310025715 A CN201310025715 A CN 201310025715A CN 103128936 A CN103128936 A CN 103128936A
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- threaded spindle
- slide block
- side core
- pulling mechanism
- transition wheel
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Abstract
The invention discloses a thread side core-pulling mechanism comprising a movable mold (20) and a fixed mold (10). A sider (30) is arranged on the movable mold (20) and provided with a threaded main shaft (35) which is connected with a product (40), and a driving wheel (34) is arranged at the tail end of the threaded main shaft (35); a transition wheel (33) and a driven wheel (34) are further arranged on the driven wheel (34), the transition wheel (33) and the driven wheel (34) are coaxially arranged, the driven wheel (34) rotates to drive the transition wheel (33) to rotate, the transition wheel (33) is meshed with the driven wheel (34), an inclined guide post (12) used for prying up the slider (30) is arranged on the fixed mold (10), and a gear rack (14) used for driving the threaded main shaft (35) is arranged on the inclined guide post (12); and the gear rack (14) drives the threaded main shaft (35), the transition wheel (33) drives the driving wheel (34), and meanwhile the inclined guide post (12) pries up the slider (30), and therefore the threaded main shaft (35) is pulled out from the product (40).
Description
Technical field
The present invention relates to screw thread core pulling mould applications in mould, especially relate to a kind of side core-pulling mould emptier of automatically screw thread being extracted out from goods.
Background technology
At present automotive upholstery goods side Design of Screw Thread increases gradually, in order to simplifying each subassembler's order, and traditional whorl side core-pulling mechanism, molding cycle is long, and production efficiency is low, the injection moulding high expensive.Although at existing whorl side pulled core structure, in schematic diagram as shown in Figure 6, this core-pulling mechanism comprises a main shaft 2, front end is fixed on axle sleeve 3, and the rear end is fixed on swivel nut 4, and afterbody connects driving wheel 5, driving wheel 5 is with driven pulley 6 engagements, and driven pulley 6 is arranged on oil pump 8, and oil pump 8 is fixed on support 7; After die sinking, the hydraulic system of injection machine drives oil pump 8, by the engagement of driven pulley 6 with driving wheel 5, and drive shaft 2 rotations, and the pitch of swivel nut design is consistent with the thread pitch of goods, thus guarantee the main shaft demoulding from goods smoothly, complete side core-pulling.Yet can find out from existing whorl side core-pulling mechanism, die sinking action and the action of loosing core are divided into two stages and complete, it is first die sinking, after ending mould, again by oil pump from driving, screw thread is screwed out from product, reach the purpose of depanning, thereby the moulding that makes product has more the time that oil pump drives, and makes the molding cycle of product elongated; Thereby it is long to exist molding cycle, and production efficiency is low, has improved the defectives such as injection moulding cost.
Summary of the invention
To exist molding cycle long in order to solve existing whorl side core-pulling mechanism in the present invention, and production efficiency is low, injection moulding high in cost of production present situation and a kind of molding cycle that can reduce goods of providing, and production efficiency is high, and is simple in structure, the whorl side core-pulling mechanism that is easy to realize.
The present invention solves the problems of the technologies described above the concrete technical scheme that adopts to be: a kind of whorl side core-pulling mechanism, comprise dynamic model and cover half, it is characterized in that: dynamic model is provided with slide block, and slide block is provided with the threaded spindle that connects goods, and the threaded spindle tail end is provided with driving wheel; Also be provided with transition wheel, driven pulley on dynamic model, driven pulley and transition wheel are located on same axial line, and driven pulley rotates and drives the transition wheel rotation, and driving wheel is meshed with transition wheel, cover half is provided be used to the Angle Pin of prying open slide block, and Angle Pin is provided with the tooth bar that drives threaded spindle; The die sinking hour rack drives threaded spindle, and transition wheel drives driving wheel, and Angle Pin is pried open slide block simultaneously, realizes that threaded spindle extracts out from goods.Reach when realizing whorl side core-pulling mechanism die sinking action and loosing core action and complete, thereby molding cycle and the present invention of reducing goods are simple in structure, are easier to realize.The molding cycle of goods is short, and production efficiency is high; Realize fast smoothly the screw thread core pulling operation.
As preferably, the axle body of described threaded spindle is provided with the annular boss of protrusion, and a termination of threaded spindle is connected with driving wheel, and another termination is threaded with goods.More easily realize being fixed installation in the annular boss both ends of the surface of threaded spindle, improve simplification and the reliability of screw thread core pulling operation.
As preferably, described dynamic model is provided with for the chute that is slidably installed for slide block and is used for the oblique sled hole that Angle Pin is pried open slide block, and two side channel inwall places of chute are provided with the sideslip groove; The external bottom end place, both sides of slide block is provided with the boss with the corresponding cooperation of groove of breakking away.Slide block is by boss being slidably installed in the sideslip groove, reach improve slide block in chute installation slip simplification and reliability in further improve simplification and the reliability that screw thread core pulling operates.
As preferably, described dynamic model is provided with locating slot, and locating slot is located at the inner termination place of chute and is connected with chute, and the groove width of locating slot is greater than the groove width of chute, the locating slot other end be connected by threaded spindle locating slot and goods typing chamber.Improve the installation of parts on dynamic model and reliability and the convenience of loosing core and sticking up out such as threaded spindle and slide block.
As preferably, described dynamic model is provided with fore-stock and after-poppet, and fore-stock is provided with transition wheel, driven pulley and transition wheel are located on same axial line, the driven pulley two ends are respectively equipped with radial bearing, and one of them radial bearing is located on fore-stock, and another radial bearing is located on after-poppet.Improve to a greater extent the engagement operations reliability between transition wheel and driven pulley and driving wheel, complete operation when improving whorl side core-pulling mechanism die sinking action and loosing core action.
As preferably, be provided with the passage of hollow in described slide block, be provided with first passage in the channel middle position, the first passage two ends are communicated with respectively and are provided with second channel, the passage internal diameter of second channel is greater than the passage internal diameter of first passage, the outer end of two second channels is communicated with respectively third channel, and the passage internal diameter of third channel is greater than the passage internal diameter of second channel.Preferred, be provided with the annular boss that protrudes on the threaded spindle axle body in described first passage, be provided with conical bearing in two second channels, be respectively equipped with front pressuring plate, rear fender in two third channels.Improve integral installation tightness and reliability between threaded spindle and driving wheel and slide block, the property completed when realizing to a greater extent the die sinking action and loosing core action, reduce the spatial volume of whole core-pulling mechanism, reach maximum synergy, reduce the integral molded plastic cost.
As preferably, be provided with the through hole that passes through for threaded spindle in described front pressuring plate, rear fender.Improve property easy for installation and the reliability of threaded spindle.
As preferably, form the Angle Pin included angle A between described Angle Pin and cover half vertical direction, the Angle Pin included angle A is set as: tgA=p/ (k*Z1*V), wherein P is threaded spindle pitch, K is the rack tooth distance, and Z1 is the rotating speed of driving wheel, and V is the rotating ratio of transition wheel and driving wheel.Utilize the Angle Pin included angle A of setting, be easier to just can stick up out slide block easily with less operating physical force, complete operation when realizing the die sinking action and loosing core action.
As preferably, described tooth bar is whole adopts L shaped shape, and the tooth pitch place face of tooth bar is located on the long limit of L shaped shape, and the minor face of L shaped shape is fixedly connected on cover half.Be easier to install stationary rack and utilize the rack drives threaded spindle.
The invention has the beneficial effects as follows: tooth bar, gear, Angle Pin and slide block unite use, die sinking and the action of loosing core are synchronously completed, reach when realizing whorl side core-pulling mechanism die sinking action and loosing core action and complete, thereby molding cycle and the present invention of reducing goods are simple in structure, are easier to realize.The molding cycle of goods is short, and production efficiency is high; Realize fast smoothly the screw thread core pulling operation.Can reduce the molding cycle of goods, production efficiency is high, and is simple in structure, is easy to realize, the integral molded plastic cost is low.
Description of drawings:
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the blast structural representation of the preferred embodiment of whorl side core-pulling mechanism of the present invention.
Fig. 2 is the structural representation of the preferred embodiment of whorl side core-pulling mechanism of the present invention.
Fig. 3 is the broken section structural representation of whorl side core-pulling mechanism of the present invention.
Fig. 4 be in Fig. 2 A-A to the sectional structure schematic diagram.
Fig. 5 be in Fig. 2 B-B to the sectional structure schematic diagram.
Fig. 6 is the structural representation of whorl side core-pulling mechanism in prior art.
In figure, each accompanying drawing main mark of the present invention is described as follows:
Rear fender 32A; Transition wheel 33; Driving wheel 34; Threaded spindle 35; Driven pulley 36; Radial bearing 37;
Fore-stock 38; After-poppet 39; Angle Pin installing hole 11; Angle Pin 12; Denticle installing hole 13;
Tooth bar 14; Annular boss 352; Thread segment 351; Chute 21; Sideslip groove 22; Goods typing chamber 23;
Threaded spindle locating slot 24; Locating slot 25; Boss 301; First passage 302; Second channel 303;
The specific embodiment
Fig. 1, Fig. 2, Fig. 3, Fig. 4, in embodiment shown in Figure 5, a kind of whorl side core-pulling mechanism, comprise dynamic model 20 and cover half 10, slide block 30 is installed on dynamic model 20, the threaded spindle 35 that connects goods 40 is installed on slide block 30, threaded spindle 35 tail ends are installed and are connected with driving wheel 34, threaded spindle 35 tail ends are provided with installing hole and threaded spindle locating hole, be provided with pin 353 in locating hole, the link place of driving wheel 34 and threaded spindle 35 tail ends is provided with driving wheel locating hole 341, after driving wheel 34 plug-in mountings enter threaded spindle 35 tail end installing holes, be connected to threaded spindle 35 tail end places by the fastening installation of pin 353 again, transition wheel 33, driven pulley 36 also are installed on dynamic model 20, and driven pulley 36 is fixedly mounted on same axial line with transition wheel 33, and driven pulley 34 rotates and drives transition wheel 33 rotations, and driving wheel 34 is meshed with transition wheel 33, have Angle Pin installing hole 11 and denticle installing hole 13 on cover half 10, be equipped with in the Angle Pin installing hole 11 of cover half 10 be used to the Angle Pin 12 of prying open slide block 30, the tooth bar 14 that drives threaded spindle 35 is installed on Angle Pin 12, the tooth bar 14 L shaped shapes of whole employing, the tooth pitch place face of tooth bar 14 is located on the long limit of L shaped shape, and the fixed installation of the minor face of L shaped shape is connected in denticle installing hole 13 on cover half 10, die sinking hour rack 14 drives threaded spindle 35, transition wheel 33 drives driving wheel 34, Angle Pin 12 is pried open slide block 30 simultaneously, realize that threaded spindle 35 extracts out from goods 40, tooth bar, driving gear, transition gear, driven gear, Angle Pin and slide block unite use, die sinking and the action of loosing core are synchronously completed.Be connected with the annular boss 352 of protrusion on the axle body of threaded spindle 35, a termination of threaded spindle 35 is connected with driving wheel 34, and another termination is provided with thread segment 351, and threaded spindle 35 is threaded with goods 40 by thread segment 351.Have for the chute 21 that is slidably installed for slide block 30 on dynamic model 20 and be used for the oblique sled hole 305 that Angle Pin 12 is pried open slide block 30, two side channel inwall places of chute 21 have symmetrical sideslip groove 22, the position of sideslip groove 22 is higher than the bottom face position of chute 21, and the sideslip groove 22 of both sides has one section height space apart from the bottom face of chute 21; The external bottom end place, both sides of slide block 30 is connected with the boss 301 with the groove 22 corresponding cooperations of breakking away.have locating slot 25 on dynamic model 20, locating slot 25 leaves at the inner termination place of chute 21 and with chute 21 and is connected, the groove width of locating slot 25 is greater than the groove width of chute 21, form the T-slot structure, two ends are left than the groove width of chute 21 width that has more and can better be convenient to realize installing, attended operation slide block 30, locating slot 25 other ends are connected with the chamber 23 of finalizing the design by threaded spindle locating slot 24 and goods, pry open slide block 30 from chute 21, can be more effective with in the goods 40 of threaded spindle 35 from goods typing chamber 23 smoothly side extract out, and goods 40 are stayed in goods typings chamber 23, realize that smoothly side core-pulling separates.Be installed with fore-stock 38 and after-poppet 39 on dynamic model 20, transition wheel 33 is installed on fore-stock 38, driven pulley 36 is arranged on same axial line with transition wheel 33, driven pulley 36 two ends are separately installed with radial bearing 37, one of them radial bearing 37 is arranged on fore-stock 38, another radial bearing is arranged on after-poppet 39, and radial bearing 37, transition wheel 33, driven pulley 36 and radial bearing 37 are installed between fore-stock 38 and after-poppet 39 successively.Have the passage of hollow in slide block 30, have first passage 302 in the channel middle position, first passage 302 two ends are communicated with respectively and have second channel 303, the passage internal diameter of second channel 303 is greater than the passage internal diameter of first passage 302, the outer end of two second channels 303 is communicated with respectively third channel 304, and the passage internal diameter of third channel 304 is greater than the passage internal diameter of second channel 303.The annular boss 352 that protrudes on threaded spindle 35 axle bodies is installed in first passage 302, in two second channels 303, conical bearing 31 is installed, be separately installed with front pressuring plate 32, rear fender 32A in two third channels 304, front pressuring plate 32 and rear fender 32A are fixedly mounted in two third channels 304 of slide block 30 by flat head screw 321.Can be effectively threaded spindle 35 be fixedly mounted in slide block 30 by conical bearing 31 and front pressuring plate 32, rear fender 32A, the convenient side core-pulling that carries out is extracted threaded spindle out from goods.Have the through hole that passes through for threaded spindle 35 in front pressuring plate 32, rear fender 32A, the fixing and side core-pulling operation of the convenient installation that realizes double thread main shaft 35.
Form the Angle Pin included angle A between Angle Pin 12 and cover half 10 vertical direction, the Angle Pin included angle A is set as: tgA=p/ (k*Z1*V), and wherein P is threaded spindle pitch, K is that rack tooth is apart from (see figure 3), Z1 is the rotating speed of driving wheel, and V is the rotating ratio of transition wheel and driving wheel.
install, Fig. 1, Fig. 2, Fig. 3, Fig. 4, in shown in Figure 5, at first the screw thread of setting threaded spindle 35 head threads sections 351 in Fig. 1 is that MX*P(sees Fig. 5: M20*P), wherein MX is the size of screw thread, P is pitch, install up and down in the middle of threaded spindle, mainly bear radially to cut lotus and be main radially with axially cut the conical bearing 31 of lotus, conical bearing 31 is through front pressuring plate 32, rear fender 32A is solid on slide block 30, front pressuring plate 32 is fixed on slide block 30 by flat head screw 321, rear fender 32A is fixed on slide block 30 by flat head screw 321, slide block 30 slides in the T-shaped chute 21 of dynamic model 20 by the T-shaped boss 301 at its external bottom end place, both sides.
the main shaft tail end connects driving wheel 34, the setting modulus is m1, the number of gears is z1, transition wheel 33 and driving wheel 34 engagements, if the cover half number of transition wheel 33 is m1, the number of teeth is z2, driven pulley 36 is on same axle with transition wheel 33, up and down two ends are installed radial bearing 37 and (are seen Fig. 1, Fig. 5), 37 1 of radial bearings are arranged on fore-stock 38, fore-stock is fixed on dynamic model 20 by hexagonal socket head cap screw 381, another radial bearing 37 is arranged on after-poppet 39, after-poppet is fixed on fore-stock 38 by hexagonal socket head cap screw 381, transition wheel 33, driven pulley 34, to axle 37, fore-stock 38 and after-poppet more than 39 have been fixed on dynamic model 20.Setting driven pulley 14 moduluses is m1, and the number of teeth is z3.Fig. 2, Fig. 3, Fig. 4, shown in Figure 5 in, tooth bar 14 is fixed on cover half by the groove in hexagonal socket head cap screw 381 and cover half, Angle Pin 12 is fastened on cover half, setting the Angle Pin angle is A, tooth bar 16 moduluses are m1, tooth pitch K=∏ * m1 ≈ 3.14m1; Set driving wheel equate with the driven pulley number of teeth be Z1=Z3. the rotating ratio of transition wheel and driving wheel be V=Z/Z1; In general the number of teeth of filtering wheel is many, and with the raising rotating ratio, thereby the length of shortening Angle Pin is easy to the mould manufacturing.Set Z1=10, Z2=40, V=Z2/Z1=4;
To sum up obtain, the Angle Pin included angle A has following relation: tgA=p/ (k*Z1*V)
The setting pitch P is 1.5, m1=1, tooth pitch K ≈ 3.14 rotating speed v=4, and Z1=10,
: tgA=1.5/(3.14*10*4)=0.0119
Obtain 10.82 ° of A=arctg0.0119 ≈ and be easier to just can stick up out slide block easily with less operating physical force, complete operation when realizing the die sinking action and loosing core action.
During die sinking, tooth bar 14 drives driven pulley 36, driven pulley 36 and transition wheel 33 are on same axis, transition wheel 33 drives driving wheel 34 with 4 times of speed ratios, and threaded spindle 35 is counterclockwise rotated along screw thread, and Angle Pin 12 is pried open slide block 30 simultaneously, slide block 30 drives threaded spindle 35 and vertically moves, drive threaded spindle 35 with hour rack 14 in rotary moving, and slide block 30 extracts distance out and synchronize with pitch, thereby realize screw thread core pulling smoothly.Whorl side core-pulling mechanism die sinking action of the present invention and the action of loosing core are completed simultaneously, thereby molding cycle and the present invention of reducing goods are simple in structure, are easier to realize.
Although this paper has more used the terms such as threaded spindle, driving wheel, transition wheel, driven pulley, Angle Pin, slide block, tooth bar, annular boss, chute, fore-stock, after-poppet, Angle Pin angle, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. whorl side core-pulling mechanism, comprise dynamic model (20) and cover half (10), it is characterized in that: dynamic model (20) is provided with slide block (30), and slide block (30) is provided with the threaded spindle (35) that connects goods (40), and threaded spindle (35) tail end is provided with driving wheel (34); Also be provided with transition wheel (33), driven pulley (34) on dynamic model (20), driven pulley (34) is located on same axial line with transition wheel (33), driven pulley (34) rotates and drives transition wheel (33) rotation, driving wheel (34) is meshed with transition wheel (33), cover half (10) is provided be used to the Angle Pin of prying open slide block (30) (12), and Angle Pin (12) is provided with the tooth bar (14) that drives threaded spindle (35); Die sinking hour rack (14) drives threaded spindle (35), and transition wheel (33) drives driving wheel (34), and Angle Pin (12) is pried open slide block (30) simultaneously, realizes that threaded spindle (35) extracts out from goods (40).
2. according to whorl side core-pulling mechanism claimed in claim 1, it is characterized in that: the axle body of described threaded spindle (35) is provided with the annular boss (352) of protrusion, one termination of threaded spindle (35) is connected with driving wheel (34), and another termination is threaded with goods (40).
3. according to whorl side core-pulling mechanism claimed in claim 1, it is characterized in that: described dynamic model (20) is provided with for for the chute (21) that is slidably installed of slide block (30) and be used for the oblique sled hole (305) that Angle Pin (12) is pried open slide block (30), and two side channel inwall places of chute (21) are provided with sideslip groove (22); The external bottom end place, both sides of slide block (30) is provided with the boss (301) with the corresponding cooperation of the groove that breaks away (22).
4. according to whorl side core-pulling mechanism claimed in claim 1, it is characterized in that: described dynamic model (20) is provided with locating slot (25), locating slot (25) is located at the inner termination place of chute (21) and is connected with chute (21), the groove width of locating slot (25) is greater than the groove width of chute (21), and locating slot (25) other end is connected with the chambeies (23) of finalizing the design by threaded spindle locating slot (24) and goods.
5. according to claim 1 or 3 or 4 described whorl side core-pulling mechanisms, it is characterized in that: described dynamic model (20) is provided with fore-stock (38) and after-poppet (39), fore-stock (38) is provided with transition wheel (33), driven pulley (36) is located on same axial line with transition wheel (33), driven pulley (36) two ends are respectively equipped with radial bearing (37), one of them radial bearing (37) is located on fore-stock (38), and another radial bearing is located on after-poppet (39).
6. according to the described whorl side core-pulling mechanism of claim 1 or 3, it is characterized in that: the passage that is provided with hollow in described slide block (30), be provided with first passage (302) in the channel middle position, first passage (302) two ends are communicated with respectively and are provided with second channel (303), the passage internal diameter of second channel (303) is greater than the passage internal diameter of first passage (302), the outer end of two second channels (303) is communicated with respectively third channel (304), and the passage internal diameter of third channel (304) is greater than the passage internal diameter of second channel (303).
7. according to whorl side core-pulling mechanism claimed in claim 6, it is characterized in that: be provided with the annular boss (352) that protrudes on threaded spindle (35) axle body in described first passage (302), be provided with conical bearing (31) in two second channels (303), be respectively equipped with front pressuring plate (32), rear fender (32A) in two third channels (304).
8. according to whorl side core-pulling mechanism claimed in claim 7, it is characterized in that: be provided with the through hole that passes through for threaded spindle (35) in described front pressuring plate (32), rear fender (32A).
9. according to whorl side core-pulling mechanism claimed in claim 1, it is characterized in that: form the Angle Pin included angle A between described Angle Pin (12) and cover half (10) vertical direction, the Angle Pin included angle A is set as: tgA=p/ (k*Z1*V), wherein P is threaded spindle pitch, K is the rack tooth distance, Z1 is the rotating speed of driving wheel, and V is the rotating ratio of transition wheel and driving wheel.
10. according to whorl side core-pulling mechanism claimed in claim 1, it is characterized in that: described tooth bar (14) is whole adopts L shaped shape, and the tooth pitch place face of tooth bar (14) is located on the long limit of L shaped shape, and the minor face of L shaped shape is fixedly connected on cover half (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310025715.8A CN103128936B (en) | 2013-01-23 | 2013-01-23 | Whorl side core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025715.8A CN103128936B (en) | 2013-01-23 | 2013-01-23 | Whorl side core-pulling mechanism |
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| CN103128936A true CN103128936A (en) | 2013-06-05 |
| CN103128936B CN103128936B (en) | 2015-09-02 |
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| CN201310025715.8A Active CN103128936B (en) | 2013-01-23 | 2013-01-23 | Whorl side core-pulling mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500637A (en) * | 2015-11-09 | 2016-04-20 | 宁波市环英汽配有限公司 | Side core-pulling device |
| CN106853670A (en) * | 2017-03-02 | 2017-06-16 | 苏州启达工程塑料科技有限公司 | Various back-off moulds |
| CN107081880A (en) * | 2017-05-27 | 2017-08-22 | 台州市凯华汽车模具有限公司 | Injection mold worm and gear secondary core-pulling mechanism |
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| JPH07237255A (en) * | 1994-02-28 | 1995-09-12 | Seikosha Co Ltd | Cassette type injection mold |
| CN101104307A (en) * | 2006-07-10 | 2008-01-16 | 富士能佐野株式会社 | Die device for injection forming |
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| CN201685374U (en) * | 2010-05-21 | 2010-12-29 | 王洪彪 | Die structure with gear-driven stripping function |
| CN201728775U (en) * | 2010-06-12 | 2011-02-02 | 台州市黄岩炜大塑料机械有限公司 | Transverse core-pulling mechanism of inner-threaded three-way pipe fitting die |
| CN202200479U (en) * | 2011-07-29 | 2012-04-25 | 宁波双林模具有限公司 | Rotary core-pulling demoulding device of horizontal injection mould thread core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07237255A (en) * | 1994-02-28 | 1995-09-12 | Seikosha Co Ltd | Cassette type injection mold |
| CN101104307A (en) * | 2006-07-10 | 2008-01-16 | 富士能佐野株式会社 | Die device for injection forming |
| CN201371556Y (en) * | 2009-02-23 | 2009-12-30 | 福星塑胶模具(深圳)有限公司 | Injection mold slide core-pulling mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105500637A (en) * | 2015-11-09 | 2016-04-20 | 宁波市环英汽配有限公司 | Side core-pulling device |
| CN106853670A (en) * | 2017-03-02 | 2017-06-16 | 苏州启达工程塑料科技有限公司 | Various back-off moulds |
| CN107081880A (en) * | 2017-05-27 | 2017-08-22 | 台州市凯华汽车模具有限公司 | Injection mold worm and gear secondary core-pulling mechanism |
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| Publication number | Publication date |
|---|---|
| CN103128936B (en) | 2015-09-02 |
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