CN217226483U - Novel mould for injection molding of button cell negative electrode cover sealing ring - Google Patents
Novel mould for injection molding of button cell negative electrode cover sealing ring Download PDFInfo
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- CN217226483U CN217226483U CN202220875738.2U CN202220875738U CN217226483U CN 217226483 U CN217226483 U CN 217226483U CN 202220875738 U CN202220875738 U CN 202220875738U CN 217226483 U CN217226483 U CN 217226483U
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- 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
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- 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
Abstract
The utility model discloses a novel button cell negative pole lid sealing washer mould for injection molding, include: the upper die mechanism, the lower die mechanism and the sealing mechanism; the upper die mechanism comprises an upper die plate, and the upper die plate is arranged on one side of the lower die mechanism; the lower die mechanism comprises a lower template, and the lower template is arranged on one side of the upper template; the sealing mechanism comprises an annular clamping block, and the annular clamping block is arranged on one side of the lower template; this novel button cell negative pole lid sealing washer mould for injection molding is when using, in order to prevent to go up the top core and remove the back because of going up the top core and going up to have the space between the mould cavity and lead to the weeping, it seals the protection to its and last mould cavity junction to set up first sealing washer cooperation second sealing washer after last top core removes, and prescribe a limit to the displacement range of going up the top core through the spacing ring, through setting up cope match-plate pattern cooperation lower bolster, make this injection mold can adopt negative pole lid face up, opening blanking mode down, the stability of negative pole lid in the mould cavity has been improved.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is a novel button cell negative pole lid sealing washer mould for injection molding.
Background
In the production process of the lithium manganese primary battery, in order to separate the positive electrode from the negative electrode and prevent the leakage of electrolyte, a layer of rubber and plastic sealing ring needs to be introduced on the negative electrode cover through an injection molding process. The requirements of the seal ring include: the positioning is accurate, and the seal ring just wraps the flanging of the cathode cover; the demoulding point is as close to the opening surface of the negative electrode cover as possible; the appearance is good, and the defects of flash, glue overflow and the like are avoided; no significant cooling shrinkage, etc. Most injection mold commonly used in the existing market is negative pole lid capping face down, and the opening face is fixed up, because negative pole lid capping edge R angle and cascaded structure make it can't guarantee to fix the position accuracy in the mould die cavity, when negative pole lid unevenness in the mould or with the die cavity dislocation, the flash phenomenon just can appear, leads to negative pole lid capping face to be covered by the injection molding material, the unable laminating completely of upper and lower mould simultaneously, the mould material spills over from the die joint, the circle overlap of moulding plastics appears.
The mold for the injection molding sealing ring of the button cell negative electrode cover needs to be developed, so that the negative electrode cover is tightly attached to a mold cavity, the yield of the injection ring is improved, and therefore, the novel mold for the injection molding of the button cell negative electrode cover sealing ring is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel button cell negative pole lid sealing washer mould for injection moulding to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel button cell negative pole lid sealing washer mould for injection molding, includes: the upper die mechanism, the lower die mechanism and the sealing mechanism;
the upper die mechanism comprises an upper die plate, and the upper die plate is arranged on one side of the lower die mechanism;
the lower die mechanism comprises a lower template, and the lower template is arranged on one side of the upper template;
the sealing mechanism comprises an annular clamping block, and the annular clamping block is arranged on one side of the lower template.
Through adopting above-mentioned technical scheme, adopt the blanking mode that negative pole lid capping face up, opening down, improved the stability of negative pole lid in the die cavity, make the negative pole lid change with the die cavity steady laminating, the negative pole lid can not damaged by the apical lamella, reduced the emergence of die cavity flash, increased the yield, make the loop of moulding plastics more lean on down with the isolated position of connecting hole, the positive polar shell can more firmly the cladding circle of moulding plastics, has improved the sealing performance of battery.
Preferably, an upper mold cavity is formed in the upper mold plate, an upper ejection core is mounted in the upper mold cavity, and a lower mold cavity is formed in the lower mold plate.
Through adopting above-mentioned technical scheme, it is convenient for with the laminating of last knock-out and negative pole lid to set up the cooperation of mould cavity on the top core, sets up mould cavity on the cooperation of mould cavity down and is used for holding the injection molding material.
Preferably, one side of the upper template is provided with a positioning hole, and one side of the lower template is provided with a glue injection hole.
Through adopting above-mentioned technical scheme, set up the direction of locating hole be convenient for carry out the injection molding material, set up the injecting glue hole and be convenient for carry out the injecting glue operation.
Preferably, the annular clamping block is fixedly connected to one side of the lower die cavity, a clamping groove is formed in one side of the upper die cavity, and the annular clamping block is clamped with the upper die cavity through the clamping groove.
Through adopting above-mentioned technical scheme, set up annular fixture block cooperation draw-in groove and make cope match-plate pattern and lower bolster be connected more stably, prevent that the installation dislocation from influencing production quality.
Preferably, one side of the lower template is provided with a glue injection groove, one side of the lower template is provided with a connecting hole, the glue injection groove is communicated with the lower die cavity through the connecting hole, a floating push pipe is arranged inside the lower die cavity, and a lower die ejection core is arranged inside the floating push pipe.
By adopting the technical scheme, the connecting hole is arranged to communicate the glue injection groove with the lower die cavity, so that the separation point of the glue material in the injection molding ring and the connecting hole is close to the lower part as far as possible, and the floating push pipe is arranged to be matched with the lower die ejection core so as to conveniently push the cathode cover upwards to separate the injection molding ring from the glue material in the connecting hole.
Preferably, one side of the inside of the upper die cavity is fixedly connected with a limiting ring, one side of the limiting ring is fixedly connected with a second sealing ring, one side of the second sealing ring is connected with a first sealing ring in a clamping manner, and one side of the first sealing ring is fixedly connected with the upper ejection core.
Through adopting above-mentioned technical scheme, set up the leakproofness of top core and last mould die cavity junction in the reinforcing of first sealing washer cooperation second sealing washer, prevent to go up the core and remove the back and lead to the weeping because of there being the space between top core and the last mould die cavity to set up the spacing ring and carry on spacingly to going up the top core.
Compared with the prior art, the beneficial effects of the utility model are that:
when the novel mold for injection molding of the button cell negative electrode cover sealing ring is used, in order to prevent liquid leakage caused by a gap between the upper top core and the upper mold cavity after the upper top core moves, the first sealing ring is arranged to be matched with the second sealing ring to seal and protect the joint of the upper top core and the upper mold cavity after the upper top core moves, the moving range of the upper top core is limited by the limiting ring, and the liquid leakage is reduced, by arranging the upper template and the lower template, the injection mold can adopt a blanking mode that the cover surface of the negative electrode cover faces upwards and the opening faces downwards, improves the stability of the negative electrode cover in the mold cavity, ensures that the negative electrode cover is more easily and stably attached to the mold cavity, prevents the negative electrode cover from being damaged by the top core, reduces the occurrence of mold cavity flash and increases the yield, the separation position of the injection molding ring and the connecting hole is lower, the positive electrode shell can firmly cover the injection molding ring, and the sealing performance of the battery is improved;
when the novel mold for injection molding of the button cell negative electrode cover sealing ring is used, the connecting hole is arranged at the position, close to the lower part, of the glue injection groove and the mold cavity, the separation point of glue materials in the injection molding ring and the connecting hole is close to the lower part as far as possible, and the sealing ring is wrapped by the positive shell more closely when the cell is sealed, so that the leakage phenomenon is reduced.
Drawings
Fig. 1 is a front view of the novel button cell negative electrode cover sealing ring injection mold of the present invention;
fig. 2 is a schematic side view of the internal structure of the upper mold plate in the mold for injection molding of the novel button cell negative electrode cap sealing ring of the present invention;
fig. 3 is a schematic side view of the inner structure of the lower mold plate of the novel button cell negative electrode cap sealing ring injection mold of the present invention;
fig. 4 is a schematic view of the connection structure of the upper mold cavity and the lower mold cavity in the novel injection mold for the button cell negative electrode cap sealing ring of the present invention;
fig. 5 is the schematic view of the side-looking internal structure of the upper top core in the mold for injection molding of the novel button cell negative electrode cover sealing ring of the present invention.
In the figure: 10. an upper die mechanism; 11. mounting a template; 12. positioning holes; 13. an upper die cavity; 14. an upper top core; 20. a lower die mechanism; 21. a lower template; 22. a lower die cavity; 23. injecting glue groove; 24. connecting holes; 25. a lower die ejector core; 26. a floating push pipe; 27. injecting glue holes; 1. a card slot; 30. a sealing mechanism; 31. an annular fixture block; 32. a first seal ring; 33. a second seal ring; 34. a fixing ring; 35. a limit ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a novel mold for injection molding of a negative electrode cover sealing ring of a button cell comprises: an upper die mechanism 10, a lower die mechanism 20, and a sealing mechanism 30.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, upper die mechanism 10 includes cope match-plate pattern 11, one side of lower die mechanism 20 is located to cope match-plate pattern 11, in order to make things convenient for top core 14 and the laminating of negative pole lid, and be convenient for cooperate to go up die cavity 13 and be used for holding the injection molding material, last die cavity 13 has been seted up to the inside of cope match-plate pattern 11, the internally mounted of going up die cavity 13 has top core 14, lower die cavity 22 has been seted up to the inside of lower bolster 21, in order to make things convenient for the direction of carrying out the injection molding material, locating hole 12 has been seted up to one side of cope match-plate pattern 11, glue injection hole 27 has been seted up to one side of lower bolster 21.
Referring to fig. 1, 3 and 4, the lower mold mechanism 20 includes a lower mold plate 21, the lower mold plate 21 is disposed on one side of the upper mold plate 11, in order to make a separation point of the injection molding ring and the glue in the connection hole 24 be close to the lower side as much as possible, and facilitate upward pushing of the negative electrode cover to separate the injection molding ring and the glue in the connection hole 24, a glue injection groove 23 is disposed on one side of the lower mold plate 21, the connection hole 24 is disposed on one side of the lower mold plate 21, the glue injection groove 23 is communicated with the lower mold cavity 22 through the connection hole 24, a floating push tube 26 is disposed inside the lower mold cavity 22, and a lower mold top core 25 is disposed inside the floating push tube 26.
Referring to fig. 1, 4 and 5, the sealing mechanism 30 includes an annular fixture block 31, the annular fixture block 31 is disposed on one side of the lower mold plate 21, in order to make the connection between the upper mold plate 11 and the lower mold plate 21 more stable and prevent the influence of installation dislocation on the production quality, the annular fixture block 31 is fixedly connected to one side of the lower mold cavity 22, one side of the upper mold cavity 13 is provided with a clamping groove 1, the annular fixture block 31 is clamped with the upper mold cavity 13 through the clamping groove 1, in order to prevent liquid leakage caused by a gap between the upper core 14 and the upper mold cavity 13 after the movement of the upper core 14, and limit the upper core 14, one side inside the upper mold cavity 13 is fixedly connected with a limiting ring 35, one side of the limiting ring 35 is fixedly connected with a second sealing ring 33, one side of the second sealing ring 33 is clamped with a first sealing ring 32, one side of the first sealing ring 32 is fixedly connected with the upper core 14, in order to reduce an error generated when the upper core 14 is limited, one side of the upper ejection core 14 is sleeved with a fixing ring 34, and the fixing ring 34 is fixedly connected with the upper ejection core 14.
The working principle is as follows: when the injection molding device is used, the lower mold top core 25 of the mold moves upwards to a designated position, the electronic induction device enables the cover surface of the negative electrode cover to face upwards, the opening of the negative electrode cover faces downwards and is installed at a designated position of the mold cavity, the upper mold plate 11 falls down to be combined with the lower mold plate 21, the upper top core 14 falls down to the designated position, meanwhile, the first sealing ring 32 is connected with the second sealing ring 33, the fixing ring 34 is in contact with the limiting ring 35, the injection molding is started just after being attached to the cover surface, the injection molding material is injected into the upper mold cavity 13 through the glue injection hole 27, the glue injection groove 23 and the lower mold cavity 22 are completely filled with glue, then, the mold cavity is maintained in pressure, the sealing ring is solidified and molded, after the injection molding is finished, the upper mold moves upwards, the floating push pipe 26 pushes the negative electrode cover upwards to enable the injection molding ring to be separated from the glue in the connecting hole 24, then, the electronic induction device moves the negative electrode cover out of the glue in the glue injection groove 23, and enters the next production cycle.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel button cell negative pole lid sealing washer mould for injection molding which characterized in that includes: an upper die mechanism (10), a lower die mechanism (20) and a sealing mechanism (30);
the upper die mechanism (10) comprises an upper die plate (11), and the upper die plate (11) is arranged on one side of the lower die mechanism (20);
the lower die mechanism (20) comprises a lower template (21), and the lower template (21) is arranged on one side of the upper template (11);
the sealing mechanism (30) comprises an annular clamping block (31), and the annular clamping block (31) is arranged on one side of the lower template (21).
2. The novel mold for injection molding of the button cell negative cover sealing ring according to claim 1, characterized in that: an upper die cavity (13) is formed in the upper die plate (11), an upper ejection core (14) is installed in the upper die cavity (13), and a lower die cavity (22) is formed in the lower die plate (21).
3. The novel mold for injection molding of the negative cover sealing ring of the button cell as claimed in claim 1, wherein: one side of the upper template (11) is provided with a positioning hole (12), and one side of the lower template (21) is provided with a glue injection hole (27).
4. The novel mold for injection molding of the button cell battery negative electrode cover sealing ring according to claim 2, is characterized in that: annular fixture block (31) fixed connection has been seted up in one side of lower mould die cavity (22), draw-in groove (1) has been seted up to one side of last mould die cavity (13), annular fixture block (31) are through draw-in groove (1) and last mould die cavity (13) joint.
5. The novel mold for injection molding of the button cell negative cover sealing ring according to claim 2, characterized in that: glue injection groove (23) have been seted up to one side of lower bolster (21), connecting hole (24) have been seted up to one side of lower bolster (21), glue injection groove (23) are through connecting hole (24) and lower mould die cavity (22) intercommunication, the internally mounted of lower mould die cavity (22) has unsteady ejector sleeve (26), the internally mounted of unsteady ejector sleeve (26) has lower mould top core (25).
6. The novel mold for injection molding of the button cell battery negative electrode cover sealing ring according to claim 2, is characterized in that: go up inside one side fixedly connected with spacing ring (35) of die cavity (13), one side fixedly connected with second sealing washer (33) of spacing ring (35), one side joint of second sealing washer (33) has first sealing washer (32), one side and last apical core (14) fixed connection of first sealing washer (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220875738.2U CN217226483U (en) | 2022-04-15 | 2022-04-15 | Novel mould for injection molding of button cell negative electrode cover sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220875738.2U CN217226483U (en) | 2022-04-15 | 2022-04-15 | Novel mould for injection molding of button cell negative electrode cover sealing ring |
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| CN217226483U true CN217226483U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220875738.2U Active CN217226483U (en) | 2022-04-15 | 2022-04-15 | Novel mould for injection molding of button cell negative electrode cover sealing ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885356A (en) * | 2022-11-15 | 2023-10-13 | 惠州市威源电子有限公司 | Integrated injection molding process for sealing ring of button cell cover of zinc negative electrode alkaline electrolyte |
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2022
- 2022-04-15 CN CN202220875738.2U patent/CN217226483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885356A (en) * | 2022-11-15 | 2023-10-13 | 惠州市威源电子有限公司 | Integrated injection molding process for sealing ring of button cell cover of zinc negative electrode alkaline electrolyte |
| CN116885356B (en) * | 2022-11-15 | 2024-01-02 | 惠州市威源电子有限公司 | Sealing ring integrated injection molding machine and process for battery cover of zinc negative electrode alkaline electrolyte |
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