CN211842246U - Three-dimensional numerical control cutting fixture for thermal forming plastic products - Google Patents
Three-dimensional numerical control cutting fixture for thermal forming plastic products Download PDFInfo
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- CN211842246U CN211842246U CN201922290786.6U CN201922290786U CN211842246U CN 211842246 U CN211842246 U CN 211842246U CN 201922290786 U CN201922290786 U CN 201922290786U CN 211842246 U CN211842246 U CN 211842246U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 37
- 239000004033 plastic Substances 0.000 title claims abstract description 23
- 229920003023 plastic Polymers 0.000 title claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 20
- 238000003856 thermoforming Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a three-dimensional numerical control cutting clamp for thermal forming plastic products, which relates to the technical field of thermal forming plastic clamps and comprises a base and an upper pressure plate, wherein the upper surface of the base is provided with a first cavity, the lower surface of the upper pressure plate is provided with a second cavity, the upper pressure plate covers the base, and the first cavity and the second cavity form a product fixing cavity; the base is provided with a first cutter groove which is arranged along the peripheral side of the first cavity, the upper pressure plate is provided with a second cutter groove, the second cutter guide groove is opposite to the first cutter groove, the upper pressure plate is covered on the base, and the first cutter groove and the second cutter groove form a path clearance channel for the cutter of the numerical control machine to pass through; the base is provided with a fixing hole, a quick-locking snap ring is fixed in the fixing hole, and the upper pressure plate is provided with a quick-locking bolt inserted in the quick-locking snap ring. The utility model provides a use convenient, clamping efficient, centre gripping stable, but the centre gripping is thin, the soft three-dimensional numerical control cutting jig of thermoforming plastic products who waits to cut the product.
Description
Technical Field
The utility model relates to a thermoforming plastic jig technical field, specific theory, it relates to a three-dimensional numerical control cutting jig of thermoforming plastic products.
Background
The cutting of the common plastic products comprises the modes of wood cutting rule direct cutting, heating metal cutting rule direct cutting, die punching, laser melt cutting, CNC milling and the like, and the advantages and the disadvantages of each cutting mode, the process requirements and the finished product quality are different from each other. Wherein the straight cutting of the wood cutting rule and the metal cutting rule can only cut 2D vertical cut surfaces; the die required by die punching is complex, the manufacturing period is long, the response is slow during adjustment, and the design optimization in the research and development stage is not facilitated; the laser fusion cutting can cause the section to generate chemical reaction, which has great influence on the appearance of the finished product; CNC can 3D cut various complicated shapes, and the required cycle is short, and the response speed piece when changing the picture, but usually because the clamping needs, the product must have certain thickness and hardness.
Because the existing product is very thin, very soft and very easy to deform, the section has a horizontal and 3-dimensional curved surface, and the arrival time of a customer is very tight, any one of the cutting modes is difficult to meet the requirements. Finally, a CNC cutting mode is determined, the defect that the flexible and thin plastic product cannot be cut is overcome, and the three-dimensional numerical control cutting clamp for the plastic product is designed and manufactured to meet the production requirement.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at providing a three-dimensional numerical control cutting anchor clamps of hot shaping plastic products guarantees to cut the thin soft plastic products that have horizontal plane or 3 dimension shape curved surfaces.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a three-dimensional numerical control cutting clamp for a thermal forming plastic product comprises a base and an upper pressure plate, wherein a first cavity used for placing the product is formed in the upper surface of the base, a second cavity used for being attached to the product is formed in the lower surface of the upper pressure plate, the upper pressure plate covers the base, and the first cavity and the second cavity form a product fixing cavity; the base is provided with a first cutter groove, the first cutter groove is arranged along the peripheral side of the first cavity, the upper pressure plate is provided with a second cutter groove, the second cutter groove is opposite to the first cutter groove, the upper pressure plate is covered on the base, and the first cutter groove and the second cutter groove form a path clearance channel for a cutter of a numerical control machine to pass through; the base is provided with a fixing hole, a quick-locking snap ring is fixed in the fixing hole, and a quick-locking bolt inserted in the quick-locking snap ring is arranged on the upper pressure plate.
By adopting the technical scheme, in the actual use process, a worker places a product to be cut in the first cavity, so that the lower surface of the product is attached to the inner wall of the first cavity; then, covering the upper pressure plate to enable the inner wall of the second cavity to be attached to the upper surface of the product; next, a quick locking bolt is inserted into the quick locking snap ring, and the upper pressure plate is locked and covered on the base, so that the thin and soft product is fixed; and finally, cutting the thin and soft products by the staff through the clearance passage by using a cutter of the numerical control machine tool.
The utility model discloses further set up to: the corner position of first cavity all is equipped with the first curved surface that is used for with the product laminating, the corner position of second cavity all is provided with the second curved surface that is used for with the product laminating.
Through adopting above-mentioned technical scheme, utilize the first curved surface and the second curved surface that set up, make two three-dimensional curved surfaces laminate with the back and the front shape of product respectively each other, when anchor clamps are compressed tightly, it can be fixed with the three-dimensional curved surface of product to make anchor clamps stable fixed thin, soft, the very high product of outward appearance requirement, make things convenient for the cutting process to go on.
The utility model discloses further set up to: the bottom wall of the first cavity is provided with a positioning pin which is vertically arranged, and the upper pressing plate is provided with a positioning hole for inserting the positioning pin.
Through adopting above-mentioned technical scheme, the locating pin and the locating hole that utilize to set up mutually support to realize the location fit of top board and base, simple structure, can realize the location installation of top board and base fast, high efficiency, help guaranteeing the cooperation precision and the installation effectiveness of top board and base.
The utility model discloses further set up to: the locating pin is provided with two at least, and each the locating pin staggers the setting.
Through adopting above-mentioned technical scheme, utilize a plurality of locating pins that set up, the relative pivoted condition can not take place for top board and base after making the lid close to further improve the precision of the location installation between top board and the base.
The utility model discloses further set up to: the quick-locking bolt comprises a bolt column and a fixed compression ring arranged on the periphery of the bolt column, and a locking groove is formed in one end, far away from the fixed compression ring, of the bolt column; the quick-locking snap ring comprises a slot, an upper cover plate, a compression spring and a locking gasket, wherein two ends of the compression spring are respectively abutted against the upper cover plate and the locking gasket, the locking gasket is arranged in the slot in an up-and-down sliding mode, and a fixing bulge fixed in a locking groove is arranged on the locking gasket in an embedded mode.
By adopting the technical scheme, the bolt column of the quick locking bolt is inserted into the clamping groove, and the pressing of the locking sheet compresses the compression spring, so that the fixing protrusion on the locking sheet is embedded and fixed in the locking groove on the bolt column, and the quick locking bolt and the quick locking clamping ring are fixed; at the moment, the compression spring extends towards the two ends of the compression spring respectively due to the elasticity of the compression spring, the locking gasket is abutted tightly, and the quick locking bolt is stretched through the abutting piece, so that the fixing ring on the quick locking bolt abuts against the upper pressure plate, and the upper pressure plate is tightly combined with the base.
The utility model discloses further set up to: the base is provided with a clamping ring groove, the clamping ring groove is formed in the periphery of the fixing hole, and a fixing clamping brim is arranged on the periphery of the quick-locking clamping ring.
Through adopting above-mentioned technical scheme, through fixing the card eaves overlap joint in the snap ring groove, realize the fixed of quick lock snap ring, improve the convenience that quick lock snap ring is fixed greatly.
The utility model discloses further set up to: the base is provided with an auxiliary fixing block in a protruding forming mode, and the upper pressing plate is provided with an auxiliary groove used for embedding the auxiliary fixing block.
Through adopting above-mentioned technical scheme, the supplementary fixed block that utilizes to set up inlays to establish and fixes in supplementary recess, further improves the accuracy of top board and base location installation to help top board and base to compress tightly the laminating and wait to cut the product.
To sum up, the utility model discloses following beneficial effect has:
1. the method has the advantages that the CNC is used as a program response speed block, the clamp manufacturing period is short, the section can be 3D, the complexity is not limited, and the like, and meanwhile, the defect that the deformable plastic product cannot be clamped and positioned under general conditions is overcome;
2. the cutting stability can be greatly improved and the service life of the clamp can be prolonged by double positioning of the positioning pin and the positive and negative curved surfaces, the cutting speed can also be set very fast after the product is completely fixed, the mass production is convenient, the cost is reduced, and the problem of high CNC cutting cost is solved;
3. the product is fixed by the clamp through the quick locking device, so that the efficiency of operators can be improved, and the clamping time is saved;
4. because the product is fixed completely, even softer plastics can not shake when the cutting, the burr phenomenon that significantly reduces obtains smooth product tangent plane.
Drawings
Fig. 1 is a schematic overall exploded view of the present invention;
fig. 2 is a schematic overall plan view of the present invention;
FIG. 3 is a cross-sectional illustration taken along line A-A in FIG. 2;
fig. 4 is a schematic axial view of the base of the present invention;
FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;
fig. 6 is a schematic view of the lower surface of the upper platen of the present invention;
fig. 7 is a schematic view of the fast locking bolt of the present invention;
fig. 8 is a schematic view of the quick lock collar of the present invention and its cross-section.
Reference numerals: 1. a base; 2. an upper pressure plate; 3. a first chamber; 4. a second chamber; 5. a fixed cavity; 6. a first cutter slot; 61. a second cutter slot; 7. a fixing hole; 71. a snap ring groove; 8. a snap ring is locked quickly; 81. a slot; 82. a compression spring; 83. a locking washer; 831. a fixed protrusion; 84. an upper cover plate; 85. fixing the clamping eaves; 9. a bolt is locked quickly; 91. a latch post; 92. fixing the compression ring; 93. locking the groove; 10. a first curved surface; 11. a second curved surface; 12. positioning pins; 13. positioning holes; 14. an auxiliary fixing block; 15. an auxiliary groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to the attached drawings 1-3, a three-dimensional numerical control cutting clamp for a thermal forming plastic product comprises a base 1 and an upper pressing plate 2. The base 1 is a rectangular plate-shaped structure. Threaded through holes are formed in one side of the thickness direction of the base 1, the number of the threaded through holes is four, and the four threaded through holes are arranged at four corner positions of the base 1. The first cavity 3 is opened on one side of the base 1 in the thickness direction, namely the first cavity 3 is opened on the upper surface of the base 1. The inner wall of the first chamber 3 has the same shape as the bottom side of the product, and the product is placed in the first chamber 3 to be attached to the inner wall of the first chamber 3.
With reference to fig. 4-6, the upper pressure plate is a rectangular plate-shaped structure, the lower surface of the upper pressure plate 2 is provided with a second chamber 4, and the inner wall of the second chamber 4 has the same shape as the upper side of the product. When the upper press plate 2 covers the base 1, the second chamber 4 is arranged right opposite to the first chamber 3, and the second chamber 4 and the first chamber 3 form a product fixing cavity 5.
The first chamber 3 of the base 1 is provided with a step-shaped groove along the edge of the side wall thereof, that is, the step-shaped groove is a first cutter groove 6. A step-shaped groove is formed in the peripheral edge of the upper pressure plate 2, i.e., the step-shaped groove is a second cutter groove 61. When the upper pressure plate 2 is covered on the base 1, the second cutter groove 61 is opposite to the first cutter groove 6, and the first cutter groove 6 is matched with the second cutter groove 61 to form a path clearance channel for a numerical control machine tool to pass through.
The base 1 is provided with a fixing hole 7, the fixing hole 7 penetrates through the base 1, and the number of the fixing holes 7 is two. Two fixed orificess 7 set up respectively on first cavity 3 diapire, and two fixed orificess 7 set up respectively in first cavity 3 length direction both sides. The fixing hole 7 can be a square hole cavity, and a quick lock snap ring 8 is embedded and fixed in the fixing hole 7. Be provided with fast-lock bolt 9 on the top board 2, fast-lock bolt 9 is provided with two, and two fast-lock bolts 9 wear to establish top board 2 respectively and just set up to fixed orifices 7. The quick-locking bolt 9 is inserted into the fixing hole 7 to form inserting fit to realize the fixation between the upper pressure plate 2 and the base 1.
In practical use, a worker places a product to be cut in the first chamber 3, so that the lower surface of the product is attached to the inner wall of the first chamber 3; then, the upper pressure plate 2 is covered, so that the inner wall of the second cavity 4 is attached to the upper surface of the product; next, the fast locking bolt 9 is inserted into the fast locking snap ring 8, and the upper pressure plate 2 is locked and covered on the base 1, so that the thin and soft product is fixed; and finally, cutting the thin and soft products by the staff through the clearance passage by using a cutter of the numerical control machine tool.
The stability of the fixed product of anchor clamps is improved. The first chamber 3 is provided with four first curved surfaces 10, and the first curved surfaces 10 are provided. The four first curved surfaces 10 are respectively disposed at four corner positions on the inner wall of the first chamber 3. The second chamber 4 is provided with four second curved surfaces 11, and the second curved surfaces 11 are arranged in the second chamber. The four second curved surfaces 11 respectively socialize at four corner positions of the inner wall of the second chamber 4. When the upper pressing plate 2 covers the base 1, the three-dimensional curved surface formed by the first curved surface 10 and the second curved surface 11 is attached to the three-dimensional curved surface of the bottom surface and the front surface of the product, so that the stability of fixing the product by the fixture is improved.
Referring to fig. 7-8, the quick-lock bolt 9 includes a bolt 91 and a fixing press ring 92 disposed around the bolt 91, and the fixing press ring 92 is integrally formed on the quick-lock bolt 9. One end of the latch post 91, which is far away from the fixed pressing ring 92, is provided with a locking groove 93, the locking groove 93 can be a spiral groove, two locking grooves 93 are formed, and the two locking grooves 93 are symmetrically arranged. The quick-locking snap ring 8 comprises a slot 81, an upper cover plate 84, a compression spring 82 and a locking washer 83. The locking spring is embedded and fixed in the slot 81, and two ends of the locking spring are respectively abutted against the upper cover plate 84 and the locking gasket 83. The lock washer 83 is embedded in the slot 81, and the lock washer 83 is slidably disposed in the slot 81. The locking gasket 83 is in a ring shape, the locking gasket 83 is provided with two fixing protrusions 831 formed integrally on the inner side of the ring, and the two fixing protrusions 831 are symmetrically arranged on the diameter of the ring. The quick-locking bolt 9 is inserted into the slot 81, and meanwhile, the pressing locking plate is pressed to compress the pressing spring 82, so that the fixing protrusion 831 on the locking plate is embedded in the locking groove 93 fixed on the inserting column, and the quick-locking bolt 9 and the quick-locking clamping ring 8 are fixed; at this time, the pressing spring 82 extends towards the two ends thereof respectively due to its elasticity to abut against the locking washer 83, and the fast locking bolt 9 is stretched by the abutting piece, so that the fixing ring on the fast locking bolt 9 abuts against the upper press plate 2, and the upper press plate 2 is tightly covered on the base 1. The stability of the fixture for fixing the product is ensured.
To facilitate the installation of the quick lock collar 8. The base 1 is provided with a clamping ring groove 71, and the clamping ring grooves 71 are arranged on two sides of the width direction of the fixing hole 7. The fast locking snap ring 8 is integrally formed with a fixing snap edge 85. When installing fast lock snap ring 8, set up in snap ring groove 71 through fixing card eaves 85 overlap joint, realize fast lock snap ring 8's fixed, improve the convenience of fixed snap ring installation greatly.
The accuracy and the convenience of the clamp installation are improved. Be fixed with locating pin 12 in first cavity 3, locating pin 12 vertical setting, locating pin 12 is provided with two at least, and locating pin 12 is provided with two in this embodiment, and two locating pins 12 set up respectively in fixed orifices 7 one side, and the setting of staggering of two locating pins 12. The upper pressing plate 2 is provided with positioning holes 13, the number of the positioning holes 13 is the same as that of the positioning pins 12, and the positioning holes 13 are arranged to be opposite to the positioning pins 12. In the use process, the positioning matching of the upper pressure plate 2 and the base 1 is realized through the inserting matching of the positioning pin 12 and the positioning hole 13. The structure design has simple structure, can realize the positioning and installation of the pressing plate and the base 1 quickly and efficiently, and is beneficial to ensuring the matching precision and the installation efficiency of the upper pressing plate 2 and the base 1.
The bottom wall of the first cavity 3 is provided with an auxiliary fixing block 14 in a protruding forming mode, and the upper pressing plate 2 is provided with an auxiliary groove 15 used for embedding and fixing the auxiliary fixing block 14. When the upper press plate 2 covers the base 1, the auxiliary fixing block 14 is inserted into the auxiliary groove 15, so that the positioning and mounting accuracy of the upper press plate 2 and the base 1 is further improved, and the upper press plate 2 and the base 1 are pressed and attached to a product to be cut.
The working principle of the embodiment is as follows:
in practical use, a worker places a product to be cut in the first chamber 3, so that the lower surface of the product is attached to the inner wall of the first chamber 3; then, the upper pressing plate 2 is covered, so that the inner wall of the second cavity 4 is attached to the upper surface of the product, and a three-dimensional curved surface formed by the first curved surface 10 in the first cavity 3 and the second curved surface 11 in the second cavity 4 is attached to the three-dimensional curved surface of the product, so that the stability of fixing the product to be cut is ensured; next, the fast locking bolt 9 is inserted into the fast locking snap ring 8, and the upper pressure plate 2 is locked and covered on the base 1, so that the thin and soft product is fixed; and finally, cutting the thin and soft products by the staff through the clearance passage by using a cutter of the numerical control machine tool.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. A three-dimensional numerical control cutting clamp for a thermal forming plastic product comprises a base (1) and an upper pressing plate (2), and is characterized in that a first cavity (3) used for placing the product is formed in the upper surface of the base (1), a second cavity (4) used for being attached to the product is formed in the lower surface of the upper pressing plate (2), the upper pressing plate (2) covers the base (1), and a product fixing cavity (5) is formed by the first cavity (3) and the second cavity (4);
the base (1) is provided with a first cutter groove (6), the first cutter groove (6) is arranged along the peripheral side of the first cavity (3), the upper pressure plate (2) is provided with a second cutter groove (61), the second cutter groove (61) is over against the first cutter groove (6), and the first cutter groove (6) and the second cutter groove (61) form a path clearance channel for a cutter of a numerical control machine tool to pass through;
the base (1) is provided with a fixing hole (7), a quick-locking clamping ring (8) is fixed in the fixing hole (7), and a quick-locking bolt (9) inserted in the quick-locking clamping ring (8) is arranged on the upper pressure plate (2).
2. The three-dimensional numerical control cutting clamp for the hot forming plastic products as claimed in claim 1, characterized in that the corner positions of the first chamber (3) are provided with first curved surfaces (10) for being attached to the products, and the corner positions of the second chamber (4) are provided with second curved surfaces (11) for being attached to the products.
3. The three-dimensional numerical control cutting clamp for the thermoformed plastic products according to claim 1, wherein the bottom wall of the first chamber (3) is provided with a positioning pin (12), the positioning pin (12) is vertically arranged, and the upper press plate (2) is provided with a positioning hole (13) for inserting the positioning pin (12).
4. The three-dimensional numerical control cutting clamp for the hot forming plastic products as claimed in claim 3, characterized in that at least two positioning pins (12) are provided, and the positioning pins (12) are staggered.
5. The three-dimensional numerical control cutting clamp for the hot forming plastic products is characterized in that the quick locking bolt (9) comprises a bolt column (91) and a fixed pressing ring (92) arranged on the peripheral side of the bolt column (91), and one end, far away from the fixed pressing ring (92), of the bolt column (91) is provided with a locking groove (93); fast lock snap ring (8) are including slot (81), upper cover plate (84), pressure spring (82) and locking washer (83), pressure spring (82) both ends support tightly with upper cover plate (84), locking washer (83) respectively, locking washer (83) are the setting of sliding up and down in slot (81), be provided with on locking washer (83) and inlay fixed arch (831) of establishing in locking recess (93).
6. The three-dimensional numerical control cutting clamp for the hot forming plastic products as claimed in claim 1 or 5, characterized in that the base (1) is provided with a snap ring groove (71), the snap ring groove (71) is arranged around the fixing hole (7), and the quick locking snap ring (8) is provided with a fixing ledge (85) around.
7. The three-dimensional numerical control cutting clamp for the thermal forming plastic products as claimed in claim 1, wherein an auxiliary fixing block (14) is arranged on the base (1) in a protruding forming mode, and an auxiliary groove (15) used for embedding the auxiliary fixing block (14) is formed in the upper pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290786.6U CN211842246U (en) | 2019-12-18 | 2019-12-18 | Three-dimensional numerical control cutting fixture for thermal forming plastic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290786.6U CN211842246U (en) | 2019-12-18 | 2019-12-18 | Three-dimensional numerical control cutting fixture for thermal forming plastic products |
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| Publication Number | Publication Date |
|---|---|
| CN211842246U true CN211842246U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922290786.6U Active CN211842246U (en) | 2019-12-18 | 2019-12-18 | Three-dimensional numerical control cutting fixture for thermal forming plastic products |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221004A (en) * | 2021-11-17 | 2022-03-22 | 江西钒业科技有限公司 | Manufacturing method of novel environment-friendly mobile emergency ceramic energy storage battery |
| CN114800696A (en) * | 2021-01-29 | 2022-07-29 | 中蓝晨光化工研究设计院有限公司 | Method for cutting NOL ring test sample strip by water jet and matched equipment |
-
2019
- 2019-12-18 CN CN201922290786.6U patent/CN211842246U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800696A (en) * | 2021-01-29 | 2022-07-29 | 中蓝晨光化工研究设计院有限公司 | Method for cutting NOL ring test sample strip by water jet and matched equipment |
| CN114800696B (en) * | 2021-01-29 | 2024-03-01 | 中蓝晨光化工研究设计院有限公司 | Method for cutting NOL ring test sample strip by water jet and matched equipment |
| CN114221004A (en) * | 2021-11-17 | 2022-03-22 | 江西钒业科技有限公司 | Manufacturing method of novel environment-friendly mobile emergency ceramic energy storage battery |
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