CN114905699B - Hot runner mold structure of battery sealing ring - Google Patents
Hot runner mold structure of battery sealing ring Download PDFInfo
- Publication number
- CN114905699B CN114905699B CN202210599367.4A CN202210599367A CN114905699B CN 114905699 B CN114905699 B CN 114905699B CN 202210599367 A CN202210599367 A CN 202210599367A CN 114905699 B CN114905699 B CN 114905699B
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- CN
- China
- Prior art keywords
- cavity
- base
- hole
- core
- insert
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 13
- 238000000465 moulding Methods 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 abstract description 13
- 238000012545 processing Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002087 whitening effect Effects 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
- B29C45/1742—Mounting of moulds; Mould supports
-
- 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
- B29C45/28—Closure devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The battery sealing ring hot runner mold structure comprises a stripping module, a center column assembly, a cavity base and a core base, wherein one side of the cavity base, which faces the core base, is provided with a cavity group insert, and the cavity group insert is provided with a forming cavity and a feeding hole communicated with the forming cavity; the core base is equipped with and is used for getting into the shaping portion in shaping chamber, drawing of patterns piece sliding connection in the core base is used for promoting the finished product to break away from shaping portion, shaping portion is equipped with the through-hole that communicates to shaping chamber, center pillar assembly includes center post and power piece, one end of center post is connected to power piece and the other end pass the through-hole and insert to shaping chamber, power piece is used for the drive center post butt extremely the feed port is in order to control the switching of feed port. The processing precision in shaping chamber has not only been promoted through split type design to above-mentioned scheme, has realized compact structure through the setting of center pillar subassembly moreover, possesses better practicality.
Description
Technical Field
The invention relates to the technical field of battery sealing ring processing dies, in particular to a battery sealing ring hot runner die structure.
Background
The battery seal ring is a part assembled in the battery for preventing leakage or explosion, and the middle part of the battery seal ring is generally provided with a through hole for a mandrel to pass through. For small dry cells such as LR8D425, the seal ring size tends to be small. In the processing process of the sealing ring, due to the consideration of processing precision, the cold runner mold is adopted for processing production at present, and various quality problems, such as whitening of an explosion-proof groove of the sealing ring, flow marks, poor contact of the outer wall of the sealing ring and the like, can occur in the processing production process, so that potential safety hazards are easily formed. In addition, cold runner dies can have the production of work or material rest in the processing production process, and can not use the feed back, leads to manufacturing cost higher.
Disclosure of Invention
The invention aims to solve the technical problems that the processing production quality of a small-size sealing ring in the prior art cannot be guaranteed and the production cost is high.
In order to solve the problems, the invention provides a battery sealing ring hot runner mold structure, which comprises a stripping module, a center column assembly, a cavity base and a core base, wherein one side of the cavity base, which faces the core base, is provided with a cavity group insert, and the cavity group insert is provided with a forming cavity and a feeding hole communicated with the forming cavity; the core base is equipped with and is used for getting into the shaping portion in shaping chamber, drawing of patterns piece sliding connection in the core base is used for promoting the finished product to break away from shaping portion, shaping portion is equipped with the through-hole that communicates to shaping chamber, center pillar assembly includes center post and power piece, one end of center post is connected to power piece and the other end pass the through-hole and insert to shaping chamber, power piece is used for the drive center post butt extremely the feed port is in order to control the switching of feed port.
According to the scheme, the high-precision cavity group insert can be machined in advance, and then the cavity group insert is mounted on the cavity base, so that the precision of a molding cavity is effectively improved compared with a mode of directly machining the molding cavity on the cavity base in the prior art, and when products of other types are required to be produced, only the cavity group insert is required to be replaced, so that the universality is effectively improved; meanwhile, due to the arrangement of the middle column assembly, the center column not only can control the opening and closing of the feeding hole, but also can enter the forming cavity and shape raw materials in the forming cavity, namely, a through hole for a core rod to pass through is formed on a sealing ring of a finished product, so that the middle column has ingenious design and compact structure and has better practicability
Preferably, the cavity base is located above the core base, and the feed hole is located above the through hole, so that the center column can be opened and closed more stably when being driven by the power piece to move along the through hole.
Preferably, the cavity group insert comprises a feeding insert, a forming insert and a cavity plate which are annular, the feeding hole is an inner ring of the feeding insert, a mounting groove is formed in the lower side surface of the cavity base, the feeding insert and the forming insert are assembled in the mounting groove from top to bottom, the cavity plate is detachably connected to the lower side surface of the cavity base, and the inner ring side of the cavity plate is abutted to the lower side surface of the forming insert, so that on one hand, the feeding insert, the forming insert and the cavity plate can be independently processed, and the precision is better; on the other hand, the feeding insert and the forming insert can be replaced by disassembling and assembling the cavity plate, and the operation is simple and convenient.
Preferably, a storage cavity is arranged in the cavity base, and is communicated to the feeding hole, so that raw materials in the storage cavity can stably flow into the forming cavity from the feeding hole.
Preferably, the demolding piece is annular and sleeved on the outer side of the upper portion of the core base, and the inner annular side of the demolding piece is located below the molding cavity, so that stable demolding of a finished product is achieved.
Preferably, the upper part of the core base is gradually reduced from bottom to top to form a conical supporting part, and the inner ring of the demolding piece is a conical surface matched with the supporting part, so that the demolding piece can be positioned relative to the core base when the conical surface is attached to the supporting part, and the use is more convenient.
Preferably, the core base comprises a core outer tube and a core inner piece detachably inserted into the inner side of the core outer tube, and the through hole is formed in the middle of the core inner piece, so that center columns of different sizes can be adapted through replacing the core inner piece, and the operation is simple and convenient.
Preferably, the hole wall of the through hole is provided with a positioning groove, the side wall of the central column is provided with a convex positioning boss, and the central column is abutted and blocked with the feeding hole when being clamped to the upper part of the positioning groove, so that the central column is ensured to be more stable in blocking the feeding hole.
Preferably, the power piece comprises a piston and a cylinder seat for driving the piston to lift, and the upper side surface of the piston is provided with a slot for the central column to be inserted, so that the stable movement and operation of the central column are ensured under the driving of the piston, and the replacement and the maintenance are convenient.
Drawings
FIG. 1 is a schematic cross-sectional view of a battery seal ring hot runner mold structure;
FIG. 2 is a view showing a battery seal ring hot runner mold structure in a state in which a cavity base is separated from a core base;
FIG. 3 is a view showing a battery seal ring hot runner mold structure in a state in which a release member is separated from a core base;
Fig. 4 is an enlarged partial schematic view of the area a in fig. 1.
Reference numerals illustrate:
1. A cavity base; 101. a mounting groove; 102. a storage cavity; 2. a core base; 201. a molding part; 210. a core outer tube; 211. a support part; 220. a core inner; 221. a through hole; 222. a positioning groove; 3. a cavity group insert; 310. feeding the insert; 311. a feed hole; 320. molding the insert; 330. a cavity plate; 340. a molding cavity; 4. a center pillar assembly; 410. a center column; 411. positioning the boss; 420. a power member; 421. a cylinder block; 422. a piston; 423. a slot; 5. and (5) stripping the module.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. It should be further noted that, in the embodiments of the present invention, all directional indications (such as up, down, left, right, front, back, inner, and outer) are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is correspondingly changed.
Referring to fig. 1-4, a battery seal ring hot runner mold structure provided by an embodiment of the present invention includes a stripping module 5, a center pillar assembly 4, a cavity base 1 and a core base 2, wherein a cavity group insert 3 is provided on a side of the cavity base 1 facing the core base 2, and the cavity group insert 3 is provided with a molding cavity 340 and a feed hole 311 connected to the molding cavity 340; the core base 2 is provided with a forming part 201 for entering the forming cavity 340, the stripping module 5 is slidably connected to the core base 2 and is used for pushing a finished product to be separated from the forming part 201, the forming part 201 is provided with a through hole 221 communicated with the forming cavity 340, the center column assembly 4 comprises a center column 410 and a power piece 420, one end of the center column 410 is connected to the power piece 420, the other end of the center column passes through the through hole 221 and is inserted into the forming cavity 340, and the power piece 420 is used for driving the center column 410 to be abutted to the feeding hole 311 so as to control the opening and closing of the feeding hole 311.
When the mold core base 2 is used, the mold core base 2 is kept fixed, the mold cavity base 1 is moved to the mold core base 2 until the mold cavity base 2 and the mold core base 2 are abutted, at the moment, the molding cavity 340 is closed by the molding part 201, after raw materials enter the molding cavity 340 from the feed inlet, the power piece 420 drives the center column 410 to be abutted to the feed inlet to realize the blocking of the feed inlet, after the raw materials in the molding cavity 340 form a finished product, the mold cavity base 1 is separated from the mold core base 2, and then the demolding module 5 drives the finished product to be separated from the molding part 201 to finish demolding. According to the scheme, the high-precision cavity group insert 3 can be machined in advance, and then the cavity group insert 3 is mounted on the cavity base 1, so that compared with the mode of directly machining the cavity 340 on the cavity base 1 in the prior art, the precision of the molding cavity 340 is effectively improved, and when products of other types are required to be produced, only the cavity group insert 3 is required to be replaced, so that the universality is effectively improved; meanwhile, due to the arrangement of the middle column assembly 4, the center column 410 not only can control the opening and closing of the feeding hole, but also can enter the forming cavity 340 and shape the raw materials in the forming cavity 340, namely, a through hole for a core rod to pass through is formed on a sealing ring of a finished product, so that the middle column has ingenious design, compact structure and better practicability
In this embodiment, the cavity base 1 is located above the core base 2, the feed hole 311 is located above the through hole 221, and the feed hole is coaxially disposed with the through hole 221, so that the center column 410 can be better and stably opened and closed when moving along the through hole 221 under the driving of the power member 420.
In this embodiment, the cavity group insert 3 includes a feeding insert 310, a molding insert 320 and a cavity plate 330, which are all annular, the feeding hole 311 is an inner ring of the feeding insert 310, the lower side surface of the cavity base 1 is provided with a mounting groove 101, the feeding insert 310 and the molding insert 320 are assembled in the mounting groove 101 from top to bottom, and the cavity plate 330 is detachably connected to the lower side surface of the cavity base 1 through bolts. The inner ring diameter of the cavity plate 330 is smaller than the outer ring diameter of the molding insert 320 such that the inner ring side of the cavity plate 330 abuts against the underside of the molding insert 320. By adopting the structure, on one hand, the feeding insert 310, the forming insert 320 and the cavity plate 330 can be independently processed, so that the precision is better; on the other hand, the feeding insert 310 and the forming insert 320 can be replaced by disassembling and assembling the cavity plate 330, and the operation is simple and convenient.
The storage cavity 102 is arranged in the cavity base 1, and the storage cavity 102 is communicated to the feeding hole 311, so that raw materials in the storage cavity 102 can flow into the forming cavity 340 from the feeding hole 311 stably.
In this embodiment, the stripper 5 is annular and is sleeved on the outer side of the upper portion of the core base 2, and the inner annular side of the stripper 5 is located below the forming cavity 340, so as to achieve stable stripping of the finished product. Further, the upper portion of the core base 2 is tapered along a supporting portion 211 which is tapered from bottom to top, and the inner ring of the stripping module 5 is a tapered surface matched with the supporting portion 211, so that the stripping module 5 can be positioned relative to the core base 2 when the tapered surface is attached to the supporting portion 211, and the use is more convenient.
As an optimization of the above embodiment, the core base 2 includes the core outer tube 210 and the core inner member 220 inserted into the inner side of the core outer tube 210, the through hole 221 is provided in the middle of the core inner member 220, and the bottom of the core outer tube 210 is provided with an opening to facilitate the disassembly and assembly of the core inner tube, so that the core inner member 220 can be replaced to adapt to the center column 410 of different sizes, and the operation is simple and convenient. Further, the hole wall of the through hole 221 is provided with a positioning groove 222, and the positioning groove 222 is in a conical shape with a small upper part and a big lower part; the side wall of the central column 410 is provided with a convex positioning boss 411, and when the positioning boss 411 is clamped to the upper part of the positioning groove 222, the central column 410 abuts against and seals the feeding hole 311, so that the central column 410 is ensured to seal the feeding hole 311 more stably.
In this embodiment, the power member 420 includes a piston 422 and a cylinder seat 421 for driving the piston 422 to lift, and a slot 423 for plugging the center column 410 is provided on the upper side of the piston 422, so that the center column 410 is ensured to stably move and operate under the driving of the piston 422, and the replacement and maintenance are convenient. It should be understood that the power member 420 may be replaced by other means as long as the driving of the center post 410 is achieved.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (7)
1. The battery sealing ring hot runner mold structure is characterized by comprising a stripping module (5), a center column assembly (4), a cavity base (1) and a core base (2), wherein one side of the cavity base (1) facing the core base (2) is provided with a cavity group insert (3), and the cavity group insert (3) is provided with a forming cavity (340) and a feeding hole (311) communicated with the forming cavity (340); the core base (2) is provided with a forming part (201) used for entering the forming cavity (340), the demolding piece (5) is connected to the core base (2) in a sliding mode and used for pushing a finished product to be separated from the forming part (201), the forming part (201) is provided with a through hole (221) communicated to the forming cavity (340), the center column assembly (4) comprises a center column (410) and a power piece (420), one end of the center column (410) is connected to the power piece (420) and the other end of the center column passes through the through hole (221) and is inserted into the forming cavity (340), and the power piece (420) is used for driving the center column (410) to be abutted to the feeding hole (311) so as to control the opening and closing of the feeding hole (311);
the cavity base (1) is positioned above the core base (2), and the feeding hole (311) is positioned above the through hole (221);
the core base (2) comprises a core outer tube (210) and a core inner piece (220) detachably inserted into the inner side of the core outer tube (210), and the through hole (221) is formed in the middle of the core inner piece (220).
2. The battery seal ring hot runner mold structure according to claim 1, wherein: the die cavity group mold insert (3) comprises a feeding mold insert (310), a forming mold insert (320) and a die cavity plate (330), wherein the feeding mold insert (310) is annular, the feeding hole (311) is an inner ring of the feeding mold insert (310), a mounting groove (101) is formed in the lower side surface of the die cavity base (1), the feeding mold insert (310) and the forming mold insert (320) are assembled in the mounting groove (101) from top to bottom, the die cavity plate (330) is detachably connected to the lower side surface of the die cavity base (1), and the inner ring side of the die cavity plate (330) is abutted to the lower side surface of the forming mold insert (320).
3. The battery seal ring hot runner mold structure according to claim 1, wherein: the inside of die cavity base (1) is equipped with storage chamber (102), storage chamber (102) intercommunication extremely feed port (311).
4. The battery seal ring hot runner mold structure according to claim 1, wherein: the demolding piece (5) is annular and sleeved on the outer side of the upper portion of the core base (2), and the inner ring side of the demolding piece (5) is located below the molding cavity (340).
5. The battery seal ring hot runner mold structure according to claim 1, wherein: the upper part of the core base (2) is gradually reduced from bottom to top to form a conical supporting part (211), and the inner ring of the demolding piece (5) is a conical surface matched with the supporting part (211).
6. The battery seal ring hot runner mold structure according to claim 1, wherein: the hole wall of the through hole (221) is provided with a positioning groove (222), the side wall of the center column (410) is provided with a convex positioning boss (411), and the center column (410) is abutted and blocked with the feeding hole (311) when the positioning boss (411) is clamped to the upper part of the positioning groove (222).
7. The battery seal ring hot runner mold structure according to claim 1, wherein: the power piece (420) comprises a piston (422) and a cylinder seat (421) for driving the piston (422) to lift, and a slot (423) for inserting the central column (410) is arranged on the upper side surface of the piston (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210599367.4A CN114905699B (en) | 2022-05-30 | 2022-05-30 | Hot runner mold structure of battery sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210599367.4A CN114905699B (en) | 2022-05-30 | 2022-05-30 | Hot runner mold structure of battery sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114905699A CN114905699A (en) | 2022-08-16 |
| CN114905699B true CN114905699B (en) | 2024-06-11 |
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ID=82768381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210599367.4A Active CN114905699B (en) | 2022-05-30 | 2022-05-30 | Hot runner mold structure of battery sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114905699B (en) |
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| CN113290787A (en) * | 2021-05-20 | 2021-08-24 | 浙江工商职业技术学院 | Cosmetic box cover forming die |
| CN114454438A (en) * | 2022-03-14 | 2022-05-10 | 厦门展锋机电有限公司 | Forming die and sealing ring injection molding equipment with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011002585A1 (en) * | 2011-01-12 | 2012-07-12 | Mht Mold & Hotrunner Technology Ag | injection molding machine |
| CH712322A1 (en) * | 2016-04-07 | 2017-10-13 | Fostag Formenbau Ag | Injection molding tool. |
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2022
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|---|---|---|---|---|
| US5262181A (en) * | 1990-05-14 | 1993-11-16 | Erca Holding | Apparatus for forming hollow articles in thermoplastic material |
| JP2001334559A (en) * | 2000-05-29 | 2001-12-04 | Hirayama Tekkosho:Kk | Method for injection molding bowl-like article having undercut part |
| JP2002210780A (en) * | 2001-01-12 | 2002-07-30 | Sekisui Chem Co Ltd | Mold for injection molding |
| KR101032764B1 (en) * | 2010-10-22 | 2011-05-06 | (주)대성케미칼 | A insert injection molding |
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| DE102019001725A1 (en) * | 2019-03-13 | 2020-09-17 | Braunform Gmbh | Tool for injection molding plastic molded parts and method for moving a slide of a tool half of the tool |
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| CN113290787A (en) * | 2021-05-20 | 2021-08-24 | 浙江工商职业技术学院 | Cosmetic box cover forming die |
| CN114454438A (en) * | 2022-03-14 | 2022-05-10 | 厦门展锋机电有限公司 | Forming die and sealing ring injection molding equipment with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114905699A (en) | 2022-08-16 |
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