CN109109263B - Preparation process of battery insulating ring - Google Patents
Preparation process of battery insulating ring Download PDFInfo
- Publication number
- CN109109263B CN109109263B CN201810956155.0A CN201810956155A CN109109263B CN 109109263 B CN109109263 B CN 109109263B CN 201810956155 A CN201810956155 A CN 201810956155A CN 109109263 B CN109109263 B CN 109109263B
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- insulating ring
- battery
- base frame
- shaped base
- injection molding
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- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of batteries, in particular to a preparation process of a battery insulating ring, which comprises the following steps: step S01: providing a plastic injection molding machine, and installing a movable mold and a fixed mold of a battery insulating ring on the plastic injection molding machine; step S02: mixing the molding raw material and color master according to a preset proportion, and putting the mixture into a feed hopper of a plastic injection molding machine; step S03: a material receiving frame is arranged below the movable mold and the fixed mold, a manipulator is arranged beside the plastic injection molding machine, and a battery insulating ring material frame crushing device is arranged beside the manipulator; step S04: and starting the plastic injection molding machine, controlling the manipulator to clamp the battery insulation ring material frame out and crushing the battery insulation ring material frame after the movable mold and the fixed mold are opened each time. The invention has simple process, and the yield of the battery insulating ring can be improved and the yield can be greatly improved by matching the specific mould and the material rack with a plastic injection molding machine through the proportion of the raw materials.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a preparation process of a battery insulating ring.
Background
The insulating ring is formed by adding a piece of insulating material PP ring at the sealing position of the bottom of the alkaline battery, namely an energy-gathering ring of the Nanfu battery, and the insulating ring is filled in the gap between the anode and the cathode of the battery, so that the contact short circuit caused by improper use or other reasons in the use process of the battery can be effectively prevented, the useless work of energy action is reduced, and the battery can be used for a longer time. However, the production of insulator rings presents a number of off-specification products including burrs and missing edges. Referring to fig. 1 and 2, the rack body 1 is H-shaped, and insulating rings are symmetrically distributed on two side walls of the H-shape. When current grommet is through mould extrusion molding, the molten plastic is extruded from feed column 2, and through the effect of pressure extrusion to both sides extrusion on the runner, because H shape structure, the pressure that leads to being close to feed column 2 is too big, causes the insulator ring 3 that is close to produce the burr, and the pressure of keeping away from feed column 2 is too little, causes the insulator ring 4 production of keeping away from to lack the limit. Therefore, one die can have eight unqualified insulating rings which must be screened out manually, and if the general selection is incomplete, equipment is blocked in the subsequent battery packaging process, so that the whole production line is stopped for detection.
Disclosure of Invention
The invention aims to provide a preparation process of a battery insulating ring, which not only can improve the production efficiency of the insulating ring, but also can improve the yield of the battery insulating ring.
The invention is realized by adopting the following scheme: a preparation process of a battery insulating ring is characterized by comprising the following steps:
step S01: providing a plastic injection molding machine, and installing a movable mold and a fixed mold of a battery insulating ring on the plastic injection molding machine;
step S02: mixing the molding raw material and color master according to a preset proportion, and putting the mixture into a feed hopper of a plastic injection molding machine;
step S03: a material receiving frame is arranged below the movable mold and the fixed mold, a manipulator is arranged beside the plastic injection molding machine, and a battery insulating ring material frame crushing device is arranged beside the manipulator;
step S04: and starting the plastic injection molding machine, controlling the manipulator to clamp the battery insulation ring material frame out after the movable mold and the fixed mold are opened every time, and placing the battery insulation ring material frame crushing device for crushing so as to recycle.
In an embodiment of the invention, the movable mold and the fixed mold are provided with square film pressing areas corresponding to each other, and an i-shaped base frame runner is arranged in the middle of the square film pressing area of the movable mold; an I-shaped base frame runner sealing part is arranged at the position, corresponding to the I-shaped runner, of the square film pressing area of the fixed die; a feeding hole is formed in the middle of the sealing part of the I-shaped flow passage; insulating ring support runners which are parallel to each other are arranged on the two end sides of the sealing part of the I-shaped runner; a flow channel wall of the insulating ring support flow channel is provided with a flow guide hole, and the flow guide hole is communicated with the insulating ring forming groove; and the middle part of the insulating ring forming groove is provided with an exhaust heat dissipation hole.
In an embodiment of the invention, the insulating ring support runner is provided with a semicircular groove corresponding to the flow guide hole.
In an embodiment of the invention, buffer grooves are formed in the connecting parts of the vertical rods and the two cross rods of the I-shaped base frame flow channel and the middle parts of the vertical rods, and cylindrical convex parts are arranged in the buffer grooves.
In an embodiment of the invention, the insulating ring molding grooves are symmetrically arranged on two sides of the insulating ring support runner.
In an embodiment of the present invention, the movable mold is provided with an insulating ring support runner sealing portion corresponding to the insulating ring support runner, the insulating ring support runner sealing portion is provided with a buffer groove at a symmetric center point of the insulating ring forming groove, and the buffer groove is provided with a cylindrical protrusion.
In an embodiment of the invention, the battery insulating ring rack comprises an I-shaped base frame, and a feeding column is vertically arranged in the middle of a vertical rod of the I-shaped base frame; the end parts of the two sides of the I-shaped base frame are provided with an insulating ring bracket parallel to the vertical rod; a plurality of insulating ring connecting nodes are arranged on the insulating ring bracket; the insulation ring connecting nodes are arranged on two sides of the insulation ring bracket in a bilateral symmetry mode.
In an embodiment of the present invention, the insulation ring connection nodes are symmetrically distributed on the insulation ring support at equal intervals by using a horizontal line perpendicular to the feeding column as a central line.
In an embodiment of the invention, the insulation ring connecting nodes are symmetrically distributed on the insulation ring support at equal intervals by taking a connecting point of a cross bar of the i-shaped base frame and the insulation ring support as a center, and 12 rings are symmetrically arranged in an array.
In an embodiment of the invention, the insulation ring rack connecting node comprises a cylindrical fixed seat, a semi-cylindrical buffer part is arranged above the cylindrical fixed seat, and a connecting part for connecting an insulation ring is arranged on a side surface of the semi-cylindrical buffer part.
The process is simple, the pressure of the molten colloid flowing in the flow channel can be reasonably distributed through the I-shaped base frame flow channel through the proportion of the raw materials, the problem that burrs and edges of the battery insulating ring occur due to uneven material extruding pressure of the existing die is solved, the yield of the battery insulating ring is improved, in addition, the insulating ring can be automatically separated from the insulating ring support after demoulding due to the matching of the flow guide holes and the semicircular grooves between the insulating ring support flow channel and the insulating ring forming grooves, and the production efficiency of the insulating ring is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a conventional insulating ring holder.
Fig. 2 is a schematic structural diagram of a conventional insulating ring holder.
FIG. 3 is a schematic process flow diagram of the present invention.
FIG. 4 is a schematic structural diagram of a movable mold according to an embodiment of the present invention.
FIG. 5 is a schematic diagram of a fixed mold structure according to an embodiment of the present invention.
FIG. 6 is a schematic structural diagram of a movable mold pressing area according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a molding die area according to an embodiment of the present invention.
Fig. 8 is a front view of an insulating ring holder structure according to an embodiment of the present invention.
Fig. 9 is a reverse side view of an insulation ring holder structure according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a main body of an insulating ring holder according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a connection node of the insulating ring holder according to the embodiment of the present invention.
Fig. 12 is a schematic view of an arrangement of the insulating ring after the insulating ring is separated from the base frame according to the embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 3, the present embodiment provides a process for manufacturing a battery insulating ring, which is characterized by comprising the following steps:
step S01: providing a plastic injection molding machine, and installing a movable mold and a fixed mold of a battery insulating ring on the plastic injection molding machine;
step S02: mixing the molding raw material and color master according to a preset proportion, and putting the mixture into a feed hopper of a plastic injection molding machine; in this embodiment, the molding raw material is a PP material, and the ratio of the PP material to the color masterbatch may be: and (3) PP material: the red color master is 10: 0.48; and (3) PP material: the green color master is 10:0.46, and the unit is kg.
Step S03: a material receiving frame is arranged below the movable mold and the fixed mold, a manipulator is arranged beside the plastic injection molding machine, and a battery insulating ring material frame crushing device is arranged beside the manipulator;
step S04: and starting the plastic injection molding machine, controlling the manipulator to clamp the battery insulation ring material frame out after the movable mold and the fixed mold are opened every time, and placing the battery insulation ring material frame crushing device for crushing so as to recycle.
Referring to fig. 4 and 5, the present embodiment provides a mold for preparing a battery insulating ring, which includes a movable mold b1 and a fixed mold b2, wherein the movable mold b1 and the fixed mold b2 have square film pressing regions corresponding to each other, and an i-shaped base frame runner b3 is disposed in the middle of the square film pressing region a of the movable mold; an I-shaped base frame flow channel sealing part B4 is arranged at the position, corresponding to the I-shaped flow channel B3, of the square film pressing area B of the fixed die B2; the middle part of the I-shaped flow channel sealing part b4 is provided with a feed hole b 5; insulation ring support runners b6 which are parallel to each other are arranged at the two end sides of the sealing part of the I-shaped runner; and a flow guide hole b7 is formed in the flow channel wall of the insulating ring support flow channel b6, and the flow guide hole b7 is communicated with the insulating ring forming groove b 8. In the embodiment, the pressure of the molten colloid flowing in the flow channel can be reasonably distributed through the I-shaped base frame flow channel; the I-shaped design is adopted, molten colloid is injected into the cross bars on the two sides from the feeding hole b5 along the flow channel and then flows into the insulating ring support flow channel b6, and because the insulating ring support flow channel b6 is symmetrically arranged, insulating ring forming grooves distributed on the two sides of the insulating ring support flow channel b6 can reasonably obtain pressure to form an insulating ring; the problem of the battery insulating ring burr appear and lack the limit because of crowded material pressure inequality causes in current mould is overcome.
Referring to fig. 6, in an embodiment of the present invention, a semicircular groove b8 is formed in the insulating ring support runner b6 corresponding to the diversion hole b7, and the semicircular groove b8 not only can play a role in buffering glue accumulation, but also can thin a side wall of the diversion hole formed in the runner to form a knife edge, so that when the movable mold is separated from the fixed mold, the insulating ring and the insulating ring support are cut by the knife edge and automatically separated, thereby improving the efficiency of subsequent demolding.
Referring to fig. 7, in an embodiment of the present invention, buffer grooves b12 are formed in the connecting portions b11 between the vertical bars b9 and the two horizontal bars b10 of the i-shaped base frame runner and the middle portions of the vertical bars, and cylindrical protrusions b13 are disposed in the buffer grooves b12, so that the buffer grooves not only can balance the flow velocity of the adhesive, but also can play a role in buffering, and can further improve the yield of the insulating rings.
With reference to fig. 6, in an embodiment of the present invention, the insulation ring forming grooves 8 are symmetrically disposed on two sides of the insulation ring support flow passage b 6. In this embodiment, 48 insulating rings can be produced by one die, and compared with the traditional die, at least 8 insulating rings are produced, so that the production efficiency is greatly improved.
Referring to fig. 4, in an embodiment of the present invention, the movable mold b1 is provided with an insulating ring support runner sealing portion b14 of the insulating ring support runner b6, the insulating ring support runner sealing portion b14 is provided with a buffer groove b12 at a symmetric center point C of the insulating ring forming groove 8, and the buffer groove 12 is provided with a cylindrical protrusion b 13.
Referring to fig. 6, in an embodiment of the present invention, an exhaust heat dissipation hole b15 is formed in the middle of the insulating ring forming groove b 8.
Referring to fig. 4 and 5, in an embodiment of the present invention, four corners of the movable mold b1 are respectively provided with a position-limiting pillar b16, and a position of the fixed mold b2 corresponding to the movable mold b1 is provided with a position-limiting hole b17 of the position-limiting pillar. In the figure, the corresponding positions of the left side and the right side of the movable die and the fixed die are also provided with a limit groove b18 and a limit convex part b19 which are matched with each other so as to ensure the correct pressing of the two dies.
In an embodiment of the present invention, the film pressing regions are fixed on the fixed mold or the movable mold through screw limiting holes b 20.
In the present invention, the fixed mold and the movable mold are mounted on the plastic injection molding machine, and the plastic injection molding machine is started, and in this embodiment, the plastic injection molding machine may be a plastic injection molding machine MA 600/100.
Referring to fig. 8 and 9, the present embodiment provides a battery insulating ring rack structure, which includes an i-shaped base frame C5, wherein a feeding column C7 is vertically disposed in the middle of a vertical rod C6 of the i-shaped base frame C5; the two side end parts C8 of the I-shaped base frame are provided with an insulating ring bracket C9 which is parallel to the vertical rod C6; and a plurality of insulating ring connecting nodes C10 are arranged on the insulating ring bracket C9. In the embodiment, the I-shaped base frame is used for reasonably distributing the pressure in the mold runner, so that the qualification rate of the insulating ring can be improved.
With continued reference to fig. 8 and 10, in an embodiment of the present invention, the insulation ring connection nodes C10 are disposed on two sides of the insulation ring support C9 in a left-right symmetry. The bilateral symmetry arrangement not only can fully utilize space, but also can realize one-mould multi-ring to the maximum extent according to the flow characteristic of molten colloid. With continued reference to fig. 8, the insulation ring connecting nodes C10 are symmetrically distributed on the insulation ring support C9 at equal distances with respect to a horizontal line C11 perpendicular to the feeding column as a center line.
Referring to fig. 8 and 10, in an embodiment of the present invention, the insulation ring connection nodes are symmetrically distributed on the insulation ring support at equal intervals by taking a connection point C12 of a cross bar C17 of the i-shaped base frame and the insulation ring support as a center, and 12 rings are symmetrically arranged in an array, and as can be seen from the figure, in this embodiment, 48 rings can be produced in one mold, and the problem of burrs and edges of the existing insulation ring is solved exactly according to i-shaped pressure distribution, and fig. 12 is a schematic arrangement diagram of the insulation ring after the insulation ring is separated from the base frame.
In an embodiment of the invention, the battery insulating ring rack structure is a plastic rack. Referring to fig. 11, fig. 11 is a schematic structural view of an insulation ring holder connection node, in this embodiment, the insulation ring holder connection node C10 includes a cylindrical fixing seat C13, a semi-cylindrical buffer portion C14 is disposed above the cylindrical fixing seat C13, and a connection portion C16 for connecting an insulation ring C15 is disposed on a side surface of the semi-cylindrical buffer portion C14.
The insulating ring material rack structure reasonably distributes the pressure in the mold runner through the I-shaped base frame, can improve the qualification rate of the insulating rings, can form 48 insulating rings (the number of the rings is not limited to the number of the rings) at one time, has a simple structure, improves the production efficiency, reduces the manpower input of subsequent manual detection, and solves the problem of blocking of the battery packaging equipment due to unqualified insulating rings. In a word, the process is simple, the pressure of the molten colloid flowing in the flow channel can be reasonably distributed through the I-shaped base frame flow channel through the proportion of the raw materials, the problem that burrs and edges of the battery insulating ring occur due to uneven material extruding pressure of the existing die is solved, the yield of the battery insulating ring is improved, in addition, the insulating ring can be automatically separated from the insulating ring support after demoulding due to the matching of the flow guide holes and the semicircular grooves between the insulating ring support flow channel and the insulating ring forming grooves, and the production efficiency of the insulating ring is greatly improved.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (1)
1. A preparation process of a battery insulating ring is characterized by comprising the following steps:
step S01: providing a plastic injection molding machine, and installing a movable mold and a fixed mold of a battery insulating ring on the plastic injection molding machine;
step S02: mixing the molding raw material and color master according to a preset proportion, and putting the mixture into a feed hopper of a plastic injection molding machine;
step S03: a material receiving frame is arranged below the movable mold and the fixed mold, a manipulator is arranged beside the plastic injection molding machine, and a battery insulating ring material frame crushing device is arranged beside the manipulator;
step S04: starting a plastic injection molding machine, controlling the manipulator to clamp out the battery insulation ring rack after the movable mold and the fixed mold are opened each time, and putting the battery insulation ring rack into the battery insulation ring rack crushing device for crushing so as to recycle;
the movable die and the fixed die are provided with square die pressing areas corresponding to each other, and an I-shaped base frame runner is arranged in the middle of the square die pressing area of the movable die; an I-shaped base frame runner sealing part is arranged at the position, corresponding to the I-shaped base frame runner, of the square die pressing area of the fixed die; a feeding hole is formed in the middle of the sealing part of the I-shaped base frame flow channel; insulating ring support runners which are parallel to each other are arranged on the two end sides of the sealing part of the I-shaped base frame runner; a flow channel wall of the insulating ring support flow channel is provided with a flow guide hole, and the flow guide hole is communicated with the insulating ring forming groove; the middle part of the insulating ring forming groove is provided with an exhaust heat dissipation hole;
a semicircular groove is formed in the insulating ring support runner corresponding to the guide hole;
buffer grooves are formed in the connecting parts of the vertical rods and the two cross rods of the I-shaped base frame flow channel and the middle parts of the vertical rods, and cylindrical convex parts are arranged in the buffer grooves;
the insulating ring forming grooves are symmetrically arranged on two sides of the insulating ring support runner;
an insulating ring support runner sealing part is arranged at the position, corresponding to the insulating ring support runner, of the movable mold, a buffer groove is formed in the insulating ring support runner sealing part at the symmetrical center point of the insulating ring forming groove, and a cylindrical convex part is arranged in the buffer groove;
the battery insulating ring rack comprises an I-shaped base frame, and a feeding column is vertically arranged in the middle of a vertical rod of the I-shaped base frame; the end parts of the two sides of the I-shaped base frame are provided with an insulating ring bracket parallel to the vertical rod; a plurality of insulating ring connecting nodes are arranged on the insulating ring bracket; the insulation ring connecting nodes are arranged on the two sides of the insulation ring bracket in a bilateral symmetry manner;
the insulating ring connecting nodes are symmetrically distributed on the insulating ring bracket at equal intervals by taking a horizontal line vertical to the feeding column as a central line;
the insulation ring connecting nodes are symmetrically distributed on the insulation ring support at equal intervals by taking the connecting point of the cross bar of the I-shaped base frame and the insulation ring support as the center, and 12 rings are symmetrically arranged in an array;
the insulation ring rack connecting node comprises a cylindrical fixed seat, a semi-cylindrical buffer part is arranged above the cylindrical fixed seat, and a connecting part for connecting an insulation ring is arranged on the side surface of the semi-cylindrical buffer part;
the I-shaped design injects the fused colloid into the cross bars at two sides from the feeding hole along the flow channel, and then flows into the insulating ring support flow channel, and because of the symmetrical arrangement, the insulating ring molding grooves distributed at two sides of the insulating ring support flow channel can reasonably obtain pressure to form the insulating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956155.0A CN109109263B (en) | 2018-08-21 | 2018-08-21 | Preparation process of battery insulating ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956155.0A CN109109263B (en) | 2018-08-21 | 2018-08-21 | Preparation process of battery insulating ring |
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| Publication Number | Publication Date |
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| CN109109263A CN109109263A (en) | 2019-01-01 |
| CN109109263B true CN109109263B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810956155.0A Active CN109109263B (en) | 2018-08-21 | 2018-08-21 | Preparation process of battery insulating ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113001875B (en) * | 2021-02-03 | 2021-12-17 | 江苏远祥新材料有限公司 | Intelligent production equipment and production process for composite plastic square column |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645759U (en) * | 2010-04-19 | 2010-11-24 | 宁波光华电池有限公司 | Mold of injection molding battery insulating ring |
| CN103963229A (en) * | 2013-02-01 | 2014-08-06 | 深圳市兆威机电有限公司 | Novel multi-cavity flow-balance cold runner structure |
| CN206446051U (en) * | 2017-02-16 | 2017-08-29 | 东莞市启泰精密塑胶五金制品有限公司 | An a kind of pipe injection molding channel structure |
-
2018
- 2018-08-21 CN CN201810956155.0A patent/CN109109263B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645759U (en) * | 2010-04-19 | 2010-11-24 | 宁波光华电池有限公司 | Mold of injection molding battery insulating ring |
| CN103963229A (en) * | 2013-02-01 | 2014-08-06 | 深圳市兆威机电有限公司 | Novel multi-cavity flow-balance cold runner structure |
| CN206446051U (en) * | 2017-02-16 | 2017-08-29 | 东莞市启泰精密塑胶五金制品有限公司 | An a kind of pipe injection molding channel structure |
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| CN109109263A (en) | 2019-01-01 |
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