CN101890790A - Automatic material pulling and breaking carrier rod device for injection mold - Google Patents
Automatic material pulling and breaking carrier rod device for injection mold Download PDFInfo
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- CN101890790A CN101890790A CN 201010245632 CN201010245632A CN101890790A CN 101890790 A CN101890790 A CN 101890790A CN 201010245632 CN201010245632 CN 201010245632 CN 201010245632 A CN201010245632 A CN 201010245632A CN 101890790 A CN101890790 A CN 101890790A
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- plug
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- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The invention discloses an automatic material pulling and breaking carrier rod device for an injection mold. The device comprises a shell seat (1), a pulling carrier rod (2), a spring (3) and a plug (4). The technical scheme of the device consisting of the shell seat, the pulling carrier rod, the spring and the plug is that: the mold is opened, and cold slug is pulled out of the gate of the mold to realize material pulling; and the cold slug is broken at a product sprue to realize automatic material breaking by later ejection of a product by a carrier rod, so that the defects of complex structure, cost increase, easy failure and difficult standardization in the prior art are overcome. The automatic material pulling and breaking carrier rod device for the injection mold of the invention has the advantages of simple structure, low cost, reliable running, wide adaptability, easy standardization through later ejection and automatic material breaking.
Description
Technical field
The present invention relates to drawing of injection mold and expect the fracture device, specifically be meant to be used for injection mold when die sinking, from mould gate, pull out the cold burden head; During ejection device, the cold burden head fracture that fractures automatically at goods glue-feeder place makes the automatic material pulling and breaking carrier rod device of a kind of injection mold that injection-molded item and cold burden head separate automatically.
Background technology
Modern injection moulding production requires people's multimachine, unmanned production in order to enhance productivity; Especially injection mo(u)lding dust-free sterile goods in the unmanned workshop of ultrapurification require injection mold must possess automatic fracture function.The automatic fracture function of injection mold when injection mold ejects the goods demoulding after die sinking, can be cut off getting in touch of injection-molded item glue-feeder and cold burden head in being meant that injection moulding is produced automatically, makes goods and cold burden head realize separating.Realize the automatic fracture of injection mold, automatic fracture mechanism must be set on injection mold; The automatic fracture mechanism of prior art injection mold does not still have unified modular station, according to the difference of injection-molded item glue-feeder design and different; Have to adopt fracture cutter fracture is set, the stripper plate of employing fracture is arranged, have and adopt by the tunnel gate fracture, as the tunnel gate mould; If the injection-molded item of meeting the limit charging then can only be by manually by the instrument fracture; Which kind of fracture mode no matter, all can increase mould structure complexity, increase failsafe link, increase die cost, and variety of way is incompatible, is difficult to unified standardization; Therefore, there is complex structure in prior art, increases cost, easy break-down, is difficult to standardized problems and shortcomings.
Summary of the invention
At the problems and shortcomings that above-mentioned prior art exists, the present invention adopts by shell block, the material pulling and breaking carrier rod device that draws push rod, spring, plug to constitute, utilizes the mould die sinking, pulls out the cold burden head and realize drawing material from mould gate; Take to lag and eject in the goods push rod, the cold burden head that fractures at goods glue-feeder place is realized the technical scheme of automatic fracture, a kind of automatic material pulling and breaking carrier rod device of injection mold is provided, be intended to eject automatic fracture, make the automatic fracture device of injection mold reach simple in structure, reduce cost, reliable, wide adaptability, be easy to the purpose of standardized sizeization by lagging.
The object of the present invention is achieved like this: a kind of automatic material pulling and breaking carrier rod device of injection mold comprises shell block, draws push rod, spring, plug that wherein: described shell block is the cylinder step steel components of hollow; The center of shell block is the cylindrical cavity that top, lower openings are arranged at top; The shell block intracavity diameter is greater than the described diameter that draws the flange step of push rod; Shell block inner chamber lower openings place is provided with the internal thread that connects described plug purposes; The bottom of shell block outside is provided with the cylindrical flange step; The center, top of shell block outside is provided with the top through hole of the circle that communicates with interior top of chamber, and the top through hole of shell block and the described cylinder external diameter of push rod that draws are slidingly matched;
The described push rod that draws is the cylindrical bar that the position, middle and lower part of cylinder is provided with a circle flange step;
Described spring is cylindrical screw shape compression spring;
Described plug is that the center is provided with manhole, outer post jamb is provided with externally threaded cylinder annular steel and cap; The external screw thread of plug matches with the internal thread of described shell block, and the central through hole of plug and the described cylinder external diameter of push rod that draws are slidingly matched; One end of plug is provided with the square groove that is used to screw purposes;
Mutual alignment and annexation
Spring housing is on the cylinder that draws above the flange step of push rod, push rod is common from bottom to top to be inserted in the inner chamber of shell block from shell block inner chamber lower openings with drawing, the top through hole that draws the top of push rod to slide to pass shell block is upwards protruding, the central through hole slip cap of plug is on the cylinder that draws below the flange step of push rod, upwards jacking draws push rod, and is fixing in the internal thread of screw-in shell block.
Operation principle
When using assembling, the top of drawing push rod is machined for the oblique breach that draws material, the position is fixed on shell block in the dynamic model of injection mold corresponding to cover half, cast gate; The extension of push rod bottom is drawn in correction, makes it to keep one section contact distance that lags with the dynamic model top board, is called the distance that lags.
During work, the mould die sinking, cover half is motionless, and dynamic model retreats, and draws push rod that the cold burden head is pulled out from the cast gate of cover half, finishes and draws material;
Mould ejects the goods demoulding, the dynamic model top board drives goods push rod pushing tow goods disengaging dynamic mould core forward, at this moment, the dynamic model top board just is being traveling among the described distance that lags, the cold burden head still is trapped in half slit bamboo or chopped wood runner of dynamic model by card and draws on the oblique breach on push rod top, and draws the bottom of push rod not touch the dynamic model top board as yet; When goods were ejected the disengaging dynamic mould core forward by the goods push rod, the goods glue-feeder place that goods and cold burden head are got in touch fractureed, and finishes fracture;
Subsequently, cover the bottom that push rod is drawn in the described distance contact that lags forward when the dynamic model top board, promote to draw push rod pushing tow cold burden head disengaging dynamic model forward, the cold burden head falls; In this process, be subjected to dynamic model top board thrusting action forward, draw push rod compression spring to stretch out the vestibule of dynamic model forward, promote the cold burden head and break away from dynamic model, the cold burden head can fall after breaking away from dynamic model automatically usually; At this moment, if the cold burden head still sticks on the oblique breach that draws the push rod top, when the dynamic model roof backing resetted, compressed spring drove, draw in the hole of push rod withdrawal dynamic model to reset, then still be bonded at the passive nib mouth of the cold burden head that draws on the push rod top and peel off the top of drawing push rod by force and fall; Thereby finished the overall process of drawing material, fracture, resetting automatically.
Beneficial effect
The present invention is simple in structure, wide adaptability, the condition that possesses unified standardization, can be by drawing the push rod diameter to make the automatic material pulling and breaking carrier rod device of standard specification, as the specification series of φ 6, φ 8, φ 10, φ 12, during application, select the suitable standard automatic material pulling and breaking carrier rod device of specification on demand for use, make the intercepting process and assemble slightly and on mould, get final product, therefore have pervasive general dissemination.
Above-mentioned, the present invention adopts by shell block, the material pulling and breaking carrier rod device that draws push rod, spring, plug to constitute, utilizes the mould die sinking, pulls out the cold burden head and realize drawing material from mould gate; Take to lag and eject in the goods push rod, the cold burden head that fractures at goods glue-feeder place is realized the technical scheme of automatic fracture, having overcome prior art exists complex structure, increases cost, easy break-down, is difficult to standardized problems and shortcomings, the automatic material pulling and breaking carrier rod device of a kind of injection mold that is provided, eject automatic fracture by lagging, make the automatic fracture device of injection mold reach simple in structure, with low cost, reliable, wide adaptability, be easy to the purpose of standardized sizeization.
Description of drawings
Fig. 1 is the structural representation of the automatic material pulling and breaking carrier rod device of injection mold of the present invention;
Fig. 2 is the schematic diagram of automatic material pulling and breaking carrier rod device application site in using mould of injection mold of the present invention;
Fig. 3 is the automatic material pulling and breaking carrier rod device of injection mold of the present invention, is operated in the principle schematic of mould matched moulds tense;
Fig. 4 is the automatic material pulling and breaking carrier rod device of injection mold of the present invention, is operated in the principle schematic of drawing the material tense during mould die sinking;
Fig. 5 is the automatic material pulling and breaking carrier rod device of injection mold of the present invention, and mould is operated in the principle schematic of fracture tense when ejecting the goods demoulding;
Fig. 6 is the automatic material pulling and breaking carrier rod device of injection mold of the present invention, and mould is operated in the principle schematic that ejects cold burden head tense when ejecting the goods demoulding.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: shell block 1, draw push rod 2, tiltedly breach 21, spring 3, plug 4, dynamic model 01, cover half 02, cast gate 03, goods glue-feeder place 031, cold burden head 04, goods 05, goods push rod 06, dynamic model top board 07.
The specific embodiment
Consult Fig. 1～Fig. 6, the automatic material pulling and breaking carrier rod device of a kind of injection mold of the present invention comprises shell block 1, draws push rod 2, spring 3, plug 4, wherein: the cylinder step steel components that described shell block 1 is a hollow; The center of shell block is the cylindrical cavity that top, lower openings are arranged at top; The shell block intracavity diameter is greater than the described diameter that draws the flange step of push rod 2; Shell block inner chamber lower openings place is provided with the internal thread that connects described plug 4 purposes; The bottom of shell block outside is provided with the cylindrical flange step; The center, top of shell block outside is provided with the top through hole of the circle that communicates with interior top of chamber, and the top through hole of shell block and the described cylinder external diameter of push rod 2 that draws are slidingly matched;
The described cylindrical bar that draws push rod 2 to be provided with a circle flange step for the position, middle and lower part of cylinder;
Described spring 3 is cylindrical screw shape compression spring;
Described plug 4 is for the center is provided with manhole, outer post jamb is provided with externally threaded cylinder annular steel and cap; The external screw thread of plug matches with the internal thread of described shell block 1, and the central through hole of plug and the described cylinder external diameter of push rod 2 that draws are slidingly matched; One end of plug is provided with the square groove that is used to screw purposes;
Mutual alignment and annexation
Operation principle
When using assembling, the top of drawing push rod 2 is machined for the oblique breach 21 that draws material, the position is fixed on shell block 1 in the dynamic model 01 of injection mold corresponding to cover half 02, cast gate 03; The extension of push rod 2 bottoms is drawn in correction, makes it to keep one section contact distance that lags with dynamic model top board 07, is called the distance that lags.
During work, the mould die sinking, cover half 02 is motionless, and dynamic model 01 retreats, and draws push rod 2 that cold burden head 04 is pulled out from the cast gate 03 of cover half 02, finishes and draws material;
Mould ejects the goods demoulding, dynamic model top board 07 drives goods push rod 06 pushing tow goods 05 disengaging dynamic model 01 core forward, at this moment, dynamic model top board 07 just is being traveling among the described distance that lags, cold burden head 04 still is trapped in half slit bamboo or chopped wood runner of dynamic model 01 by card and draws on the oblique breach 21 on push rod 2 tops, and draws the bottom of push rod 2 not touch dynamic model top board 07 as yet; When goods 05 were ejected disengaging dynamic model 01 core forward by goods push rod 06, goods 05 fractureed with the goods glue-feeder place 031 that cold burden head 04 is got in touch, and finish fracture;
Subsequently, cover the bottom that push rod 2 is drawn in the described distance contact that lags forward when dynamic model top board 07, promote to draw push rod 2 pushing tow cold burden head 04 disengaging dynamic model 01 forward, cold burden head 04 falls; In this process, be subjected to dynamic model top board 07 thrusting action forward, draw push rod 2 compression springs 3 to stretch out the vestibule of dynamic model 01 forward, promote cold burden head 04 and break away from dynamic model 01, cold burden head 04 can fall after breaking away from dynamic model 01 automatically usually; At this moment, if cold burden head 04 still sticks on the oblique breach 21 that draws push rod 2 tops, when dynamic model top board 07 rollback resets, compressed spring 3 drives, draw in the hole of push rod 2 withdrawal dynamic models 01 to reset, then still be bonded at the cold burden head 04 that draws on push rod 2 tops and peeled off the top of drawing push rod 2 by force by dynamic model 01 aperture and fall; Thereby finished the overall process of drawing material, fracture, resetting automatically.
Beneficial effect
The present invention is simple in structure, wide adaptability, the condition that possesses unified standardization, can be by drawing push rod 2 diameters to make the automatic material pulling and breaking carrier rod device of standard specification, such as the specification series of φ 6, φ 8, φ 10, φ 12, during application, select on demand the suitable standard automatic material pulling and breaking carrier rod device of specification, slightly make the intercepting process and assemble and get final product at mould, therefore have pervasive general dissemination.
Claims (1)
1. the automatic material pulling and breaking carrier rod device of an injection mold comprises shell block (1), draws push rod (2), spring (3), plug (4) that it is characterized in that: described shell block (1) is the cylinder step steel components of hollow; The center of shell block is the cylindrical cavity that top, lower openings are arranged at top; The shell block intracavity diameter is greater than the described diameter that draws the flange step of push rod (2); Shell block inner chamber lower openings place is provided with the internal thread that connects described plug (4) purposes; The bottom of shell block outside is provided with the cylindrical flange step; The center, top of shell block outside is provided with the top through hole of the circle that communicates with interior top of chamber, and the top through hole of shell block and the described cylinder external diameter of push rod (2) that draws are slidingly matched;
The described cylindrical bar that draws push rod (2) to be provided with a circle flange step for the position, middle and lower part of cylinder;
Described spring (3) is cylindrical screw shape compression spring;
Described plug (4) is for the center is provided with manhole, outer post jamb is provided with externally threaded cylinder annular steel and cap; The external screw thread of plug matches with the internal thread of described shell block (1), and the central through hole of plug and the described cylinder external diameter of push rod (2) that draws are slidingly matched; One end of plug is provided with the square groove that is used to screw purposes;
Mutual alignment and annexation are, spring (3) is enclosed within on the cylinder of the flange step top of drawing push rod (2), from bottom to top insert in the inner chamber of shell block (1) jointly with drawing push rod (2) from shell block inner chamber lower openings, the top through hole that draws the top of push rod (2) to slide to pass shell block (1) is upwards protruding, the central through hole slip cap of plug (4) is on the cylinder of the flange step below of drawing push rod (2), upwards jacking draws push rod (2), and is fixing in the internal thread of screw-in shell block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245632 CN101890790B (en) | 2010-07-29 | 2010-07-29 | Automatic material pulling and breaking carrier rod device for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245632 CN101890790B (en) | 2010-07-29 | 2010-07-29 | Automatic material pulling and breaking carrier rod device for injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101890790A true CN101890790A (en) | 2010-11-24 |
| CN101890790B CN101890790B (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010245632 Expired - Fee Related CN101890790B (en) | 2010-07-29 | 2010-07-29 | Automatic material pulling and breaking carrier rod device for injection mold |
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| CN (1) | CN101890790B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814951A (en) * | 2012-09-12 | 2012-12-12 | 晟扬精密模具（昆山）有限公司 | Injection mould ejection pile |
| CN115366355A (en) * | 2022-09-01 | 2022-11-22 | 格力电器（芜湖）有限公司 | A new type of injection mold nozzle automatic drop-off device |
| CN118809972A (en) * | 2024-09-18 | 2024-10-22 | 宁波方正汽车模具股份有限公司 | A straight top rotary ejection mechanism and mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6196681B1 (en) * | 2000-05-18 | 2001-03-06 | Bacou Usa Safety, Inc. | Eye covering |
| CN1295912A (en) * | 2000-10-18 | 2001-05-23 | 深圳市华为电气技术有限公司 | Injection machine energy-saving device and method based on frequency-converting speed regulator |
| DE19958007A1 (en) * | 1999-12-02 | 2001-06-07 | Roehm Gmbh | Injection molding process for (meth) acrylate copolymers with tertiary ammonium groups |
| CN100411851C (en) * | 2001-07-28 | 2008-08-20 | 德马格艾戈泰克有限公司 | Injection unit with device for mixing and dosing plastic melt and additives |
-
2010
- 2010-07-29 CN CN 201010245632 patent/CN101890790B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19958007A1 (en) * | 1999-12-02 | 2001-06-07 | Roehm Gmbh | Injection molding process for (meth) acrylate copolymers with tertiary ammonium groups |
| US6196681B1 (en) * | 2000-05-18 | 2001-03-06 | Bacou Usa Safety, Inc. | Eye covering |
| CN1295912A (en) * | 2000-10-18 | 2001-05-23 | 深圳市华为电气技术有限公司 | Injection machine energy-saving device and method based on frequency-converting speed regulator |
| CN100411851C (en) * | 2001-07-28 | 2008-08-20 | 德马格艾戈泰克有限公司 | Injection unit with device for mixing and dosing plastic melt and additives |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814951A (en) * | 2012-09-12 | 2012-12-12 | 晟扬精密模具（昆山）有限公司 | Injection mould ejection pile |
| CN102814951B (en) * | 2012-09-12 | 2014-10-15 | 晟扬精密模具（昆山）有限公司 | Injection mould ejection pile |
| CN115366355A (en) * | 2022-09-01 | 2022-11-22 | 格力电器（芜湖）有限公司 | A new type of injection mold nozzle automatic drop-off device |
| CN118809972A (en) * | 2024-09-18 | 2024-10-22 | 宁波方正汽车模具股份有限公司 | A straight top rotary ejection mechanism and mold |
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| Publication number | Publication date |
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| CN101890790B (en) | 2012-12-12 |
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Granted publication date: 20121212 Termination date: 20130729 |