CN110480942B - Injection mold structure suitable for power battery relay shell blank molding - Google Patents
Injection mold structure suitable for power battery relay shell blank molding Download PDFInfo
- Publication number
- CN110480942B CN110480942B CN201910160202.5A CN201910160202A CN110480942B CN 110480942 B CN110480942 B CN 110480942B CN 201910160202 A CN201910160202 A CN 201910160202A CN 110480942 B CN110480942 B CN 110480942B
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- CN
- China
- Prior art keywords
- injection molding
- needle
- water gap
- blanking
- ejector plate
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- 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.)
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- 238000002347 injection Methods 0.000 title claims abstract description 12
- 239000007924 injection Substances 0.000 title claims abstract description 12
- 238000000465 moulding Methods 0.000 title abstract description 7
- 238000001746 injection moulding Methods 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 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
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2725—Manifolds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold structure suitable for molding a power battery relay shell blank, which comprises a hot runner machine nozzle, a water gap, an injection molding piece, an action cylinder, an injection molding machine ejector rod, a blanking ejector plate, a water gap needle ejector plate, a blanking needle and a water gap needle, wherein the hot runner machine nozzle and the water gap are fixed at the upper end of the injection molding piece, the water gap needle and the blanking needle are fixed below the injection molding piece, the blanking needle is connected with the blanking ejector plate, the water gap needle is connected with the water gap needle ejector plate, the action cylinder is fixed on the blanking ejector plate, and the injection molding machine ejector rod is fixed on the water gap needle ejector plate. The invention realizes the automatic demoulding of the injection molding piece and the semicircular arc nozzle, greatly improves the product performance and the yield, reduces the air holes and cracking phenomena in the sintered finished product, and prevents the fluid in the cavity of the injection molding piece from overflowing during injection molding.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold structure suitable for molding a power battery relay shell blank.
Background
The existing power battery relay shell injection molding die adopts a glue feeding mode from the bottom of a product or a glue feeding mode from a small water gap on the top surface of the product, and has the main defects that: 1. the water gap is connected with the embryo body, and the embryo body needs to be reprocessed in the later stage to remove the water gap, thereby increasing the working procedures and the defects. 2. The formed blank has large internal stress, uneven density and large deformation of the sintered product. 3. After the sintering of the product is finished, the internal pores of the product are more, the cracking phenomenon is serious, and the overall yield is only about 30% -40%.
Disclosure of Invention
The invention aims to provide an injection mold structure suitable for molding a power battery relay shell blank, and solves the problems in the background technology.
The utility model provides a be applicable to fashioned injection mold structure of power battery relay casing idiosome, includes hot runner machine mouth, mouth of a river, injection molding, action cylinder, injection molding ejector pin, blank push pedal, mouth of a river needle push pedal, blank needle, mouth of a river needle, the mouth of a river is fixed in injection molding upper end, mouth of a river needle and blank needle are fixed in the below of injection molding, the blank needle is connected with the blank push pedal, the mouth of a river needle is connected with mouth of a river needle push pedal, action cylinder is fixed on the blank push pedal, the injection molding ejector pin is fixed on mouth of a river needle push pedal.
Further, the injection molding piece comprises an upper die and a lower die, injection molding piece cavities corresponding to the injection molding piece are formed in opposite end faces in the upper die and the lower die, a pressing plate is arranged on the upper die, a placement groove is formed in the pressing plate, a pressing block is arranged in the placement groove, the pressing block slides along a guide groove on the side face of the placement groove, and magnetic blocks with the same magnetic poles are arranged in the placement groove at the tail ends of the pressing block.
Further, a plurality of injection molding channels are formed in the upper end of the injection molding cavity, exhaust channels are formed in the lower end of the injection molding cavity, the exhaust channels and the injection molding channels are distributed in a staggered mode, a sealing cover covering the exhaust channels is arranged at the bottom of the lower die, and one side of the sealing cover is movably connected with the exhaust channels.
Further, the runner in the hot runner machine nozzle comprises a plurality of small runners, the inlets of the small runners are converged into a single glue inlet, and the outlets of the small runners correspond to the injection molding channel.
In the invention, a positioning block is arranged on the lower end face of the upper die, a positioning groove corresponding to the positioning block is arranged on the upper end face of the lower die, a positioning boss is arranged on the upper end face of the lower die, and a groove corresponding to the positioning boss is arranged on the lower end face of the upper die.
Further, the water gap is of an inverted funnel-shaped semicircular arc shape.
Further, the size of the mouth part of the semicircular water gap is the same as that of the blanking needle.
The beneficial effects are that:
1. according to the injection mold structure suitable for molding the power battery relay shell blank, ceramic sizing material enters an injection molding cavity from a hot runner machine nozzle to finish injection molding, an action cylinder drives a blanking push plate, the blanking push plate pushes a blanking needle to separate the injection molding from a semicircular water gap, and then the injection molding machine finishes a mold opening action. And then the ejector rod of the injection molding machine pushes the nozzle needle pushing plate, the nozzle needle pushing plate drives the nozzle needle, the automatic demolding of the injection molding piece and the semicircular nozzle is realized, and the product performance and the yield are greatly improved.
2. The injection molding piece comprises the upper die and the lower die, the sealing performance of the injection molding piece is enhanced through the accurate positioning of the upper die and the lower die, and the lower die is provided with the exhaust channel, so that the air holes and cracking phenomenon in the sintered finished product are reduced; the upper die of the injection molding piece is provided with a pressing plate, the pressing plate is provided with a placement groove, a pressing block is arranged in the placement groove, and the tail end of the pressing block is provided with a magnetic block with the same magnetic pole with the placement groove, so that fluid in the cavity of the injection molding piece is prevented from overflowing during injection molding.
3. According to the invention, the hot runner machine nozzle is internally provided with the plurality of small runners, each small runner corresponds to one injection molding channel, the water simultaneous opening is also designed into an inverted funnel-shaped semicircular arc shape, and the resilience force when the glue inlet is separated from the mold is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of an injection molding member according to the present invention.
In the figure, a 1-hot runner machine nozzle, a 2-injection molding part, a 3-action cylinder, a 4-blanking push plate, a 5-blanking needle, a 6-water gap, a 7-water gap needle push plate, an 8-water gap needle, a 9-injection machine ejector rod, a 10-upper die, a 11-lower die, a 12-pressing plate, a 13-positioning block, a 14-positioning boss, a 15-sealing cover, a 16-injection molding channel, a 17-exhaust channel, a 18-pressing block, a 19-magnetic block and a 20-mounting groove.
Detailed Description
For a more complete description of the technical features and objects of the present invention, reference should be made to the accompanying drawings for easy understanding. The preferred embodiments of the present invention are illustrated in the drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1, an injection mold structure suitable for power battery relay shell blank molding comprises a hot runner machine nozzle 1, a water gap 6, an injection molding piece 2, an action cylinder 3, an injection molding machine ejector rod 9, a blanking push plate 4, a water gap needle push plate 7, a blanking needle 5 and a water gap needle 8, wherein the hot runner machine nozzle 1 and the water gap 6 are fixed at the upper end of the injection molding piece 2, the water gap needle 8 and the blanking needle 5 are fixed below the injection molding piece 2, the blanking needle 5 is connected with the blanking push plate 4, the water gap needle 8 is connected with the water gap needle push plate 7, the action cylinder 3 is fixed on the blanking push plate 4, and the injection molding machine ejector rod 9 is fixed on the water gap needle push plate 7. Ceramic sizing material enters an injection molding cavity from a hot runner machine nozzle 1 to finish injection molding, an action cylinder 3 drives a blanking push plate 4, the blanking push plate 4 pushes a blanking needle 5 to separate an injection molding 2 from a semicircular water gap 6, and then the injection molding machine finishes a mold opening action. And then the ejector rod 9 of the injection molding machine pushes the nozzle needle push plate 7, and the nozzle needle push plate 7 drives the nozzle needle 8, so that the injection molding piece 2 and the semicircular nozzle 6 can be automatically demolded.
As shown in fig. 2, the injection molding part comprises an upper die 10 and a lower die 11, injection molding part cavities corresponding to the injection molding part are formed in opposite end surfaces in the upper die 10 and the lower die 11, a pressing plate 12 is arranged on the upper die 10, a placement groove 20 is formed in the pressing plate 12, a pressing block 13 is arranged in the placement groove 20, the pressing block 13 slides along a guide groove on the side surface of the placement groove 20, and a magnetic block 19 with the same magnetic pole is arranged in the end of the pressing block 13 and the placement groove 20. The pressing block 13 is positioned in the placement groove, and when the pressing block 13 slides along the guide groove, the repulsive force of the received magnetic pole generates a limiting effect to prevent the fluid in the cavity of the injection molding piece from overflowing during injection molding.
Further, a positioning block 13 is arranged on the lower end face of the upper die 10, a positioning groove corresponding to the positioning block is arranged on the upper end face of the lower die, a positioning boss 14 is arranged on the upper end face of the lower die, a groove corresponding to the positioning boss is arranged on the lower end face of the upper die, and the sealing performance of the injection molding piece is enhanced through accurate positioning of the upper die and the lower die.
Further, a plurality of injection molding channels 16 have been seted up to injection molding die cavity upper end, exhaust passage 17 has been seted up to injection molding die cavity lower extreme, exhaust passage 17 and the crisscross distribution of injection molding channel 16, the bottom of lower mould 11 is equipped with the sealed lid 15 that covers at exhaust passage 17, one side and the exhaust passage 17 swing joint of sealed lid 15, because exhaust passage port down, during exhaust passage 17 exhaust, the direct high temperature fluid that mixes in the gas sprays ground and is difficult for causing the accidental injury to the people, and sealed lid 15 is washed out by gas when the exhaust, and during no exhaust, sealed lid 15 covers at exhaust passage 17 port, prevents that the dust from getting into injection molding die cavity.
Further, the runner in the hot runner nozzle 1 comprises a plurality of small runners, the inlets of the small runners are converged into a single glue inlet, the outlets of the small runners correspond to the injection molding channel 16, and the resilience force when the glue inlet is separated from the mold is reduced.
The water gap 6 is of an inverted funnel-shaped semicircular arc shape, the resilience force of the water gap during demolding can be reduced, and the size of the opening of the semicircular arc water gap 6 is the same as that of the blanking needle 5.
It can be understood that the microporous ceramic body in the above embodiment is required to be sintered at a temperature higher than 1430 ℃ to 1630 ℃ to completely burn out the pore-forming agent and the organic binder in the ceramic body, so as to obtain the microporous ceramic atomization core with high strength, no powder falling and no peculiar smell; the heating element is not co-fired with the microporous ceramic body, thereby avoiding oxidation of the heating element and keeping the resistance value of the heating element unchanged.
While the basic principle and main features of the present invention and the advantages of the present invention have been shown and described, the present invention is not limited by the above-described embodiments, which are described in the foregoing description as illustrative only of the principles of the present invention, various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (1)
1. The injection mold structure is characterized by comprising a hot runner machine nozzle, a water gap, an injection molding piece, an action cylinder, an injection molding machine ejector rod, a blanking ejector plate, a water gap needle ejector plate, a blanking needle and a water gap needle, wherein the hot runner machine nozzle and the water gap are fixed at the upper end of the injection molding piece, the water gap needle and the blanking needle are fixed below the injection molding piece, the blanking needle is connected with the blanking ejector plate, the water gap needle is connected with the water gap needle ejector plate, the action cylinder is fixed on the blanking ejector plate, and the injection machine ejector rod is fixed on the water gap needle ejector plate; the injection molding part comprises an upper die and a lower die, injection molding part cavities corresponding to the injection molding part are formed in opposite end surfaces in the upper die and the lower die, a pressing plate is arranged on the upper die, a placement groove is formed in the pressing plate, a pressing block is arranged in the placement groove, the pressing block slides along a guide groove on the side surface of the placement groove, and magnetic blocks with the same magnetic poles are arranged at the tail ends of the pressing block and in the placement groove; the upper end of the injection molding cavity is provided with a plurality of injection molding channels, the lower end of the injection molding cavity is provided with an exhaust channel, the exhaust channels and the injection molding channels are distributed in a staggered manner, the bottom of the lower die is provided with a sealing cover covering the exhaust channels, and one side of the sealing cover is movably connected with the exhaust channels; the runner in the hot runner machine nozzle comprises a plurality of small runners, the inlets of the small runners are converged into a single glue inlet, and the outlets of the small runners correspond to the injection molding channel; the lower end face of the upper die is provided with a positioning block, the upper end face of the lower die is provided with a positioning groove corresponding to the positioning block, the upper end face of the lower die is provided with a positioning boss, and the lower end face of the upper die is provided with a groove corresponding to the positioning boss; the water gap is of an inverted funnel-shaped semicircular arc shape; the size of the mouth part of the semicircular arc water gap is the same as that of the blanking needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160202.5A CN110480942B (en) | 2019-03-04 | 2019-03-04 | Injection mold structure suitable for power battery relay shell blank molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160202.5A CN110480942B (en) | 2019-03-04 | 2019-03-04 | Injection mold structure suitable for power battery relay shell blank molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110480942A CN110480942A (en) | 2019-11-22 |
| CN110480942B true CN110480942B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910160202.5A Active CN110480942B (en) | 2019-03-04 | 2019-03-04 | Injection mold structure suitable for power battery relay shell blank molding |
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| Country | Link |
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| CN (1) | CN110480942B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111170764B (en) * | 2019-12-31 | 2021-11-23 | 娄底市安地亚斯电子陶瓷有限公司 | Wet hydrogen system and working method thereof |
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| EP2853372A1 (en) * | 2013-09-30 | 2015-04-01 | Wilo Se | Injection moulding tool and method for producing a hollow plastic moulded part using screen moulding |
| CN105922516A (en) * | 2016-06-17 | 2016-09-07 | 苏州市相城区陆慕鑫诚精密模具厂 | Double-runner circular sprue |
| CN106346721A (en) * | 2016-09-19 | 2017-01-25 | 珠海格力电器股份有限公司 | Automatic mouth of a river equipment of cutting of injection molding |
| CN106584779A (en) * | 2016-12-22 | 2017-04-26 | 东莞烨嘉电子科技有限公司 | Injection molding device capable of cutting nozzle inside mold |
| CN206884078U (en) * | 2017-01-19 | 2018-01-16 | 东莞市汇鼎实业有限公司 | A kind of ox horn enters glue injection mould |
| CN108421895A (en) * | 2018-03-20 | 2018-08-21 | 广州腾城信息科技有限公司 | Easy mold release self-test diel |
| CN108941938A (en) * | 2018-10-15 | 2018-12-07 | 湖州南浔中力纺织有限公司 | A kind of Silk Procossing cutting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563767A (en) * | 2014-10-17 | 2016-05-11 | 彩丽电子（深圳）有限公司 | Automatic nozzle cutting device |
-
2019
- 2019-03-04 CN CN201910160202.5A patent/CN110480942B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2853372A1 (en) * | 2013-09-30 | 2015-04-01 | Wilo Se | Injection moulding tool and method for producing a hollow plastic moulded part using screen moulding |
| CN105922516A (en) * | 2016-06-17 | 2016-09-07 | 苏州市相城区陆慕鑫诚精密模具厂 | Double-runner circular sprue |
| CN106346721A (en) * | 2016-09-19 | 2017-01-25 | 珠海格力电器股份有限公司 | Automatic mouth of a river equipment of cutting of injection molding |
| CN106584779A (en) * | 2016-12-22 | 2017-04-26 | 东莞烨嘉电子科技有限公司 | Injection molding device capable of cutting nozzle inside mold |
| CN206884078U (en) * | 2017-01-19 | 2018-01-16 | 东莞市汇鼎实业有限公司 | A kind of ox horn enters glue injection mould |
| CN108421895A (en) * | 2018-03-20 | 2018-08-21 | 广州腾城信息科技有限公司 | Easy mold release self-test diel |
| CN108941938A (en) * | 2018-10-15 | 2018-12-07 | 湖州南浔中力纺织有限公司 | A kind of Silk Procossing cutting device |
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| CN110480942A (en) | 2019-11-22 |
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