CN210879900U - Cutting device is used in production of lithium cell diaphragm - Google Patents
Cutting device is used in production of lithium cell diaphragm Download PDFInfo
- Publication number
- CN210879900U CN210879900U CN201921213419.XU CN201921213419U CN210879900U CN 210879900 U CN210879900 U CN 210879900U CN 201921213419 U CN201921213419 U CN 201921213419U CN 210879900 U CN210879900 U CN 210879900U
- Authority
- CN
- China
- Prior art keywords
- fixed
- plate
- workbench
- push rod
- electric push
- 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.)
- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 64
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 230000000670 limiting effect Effects 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a cutting device for producing lithium battery diaphragms, which comprises a workbench, a first slider, a first chute, a first electric push rod, a baffle, a roller, an elastic column, a fixed plate, a second electric push rod, a baffle plate, a supporting plate, a fixed frame, balls, a pressing plate, a torsion spring, an L-shaped stopper, a movable column, a second slider, a second chute, a connecting shaft, a cutting tool bit, an elastic rope and a telescopic spring, wherein the first chute is arranged on one side of the top of the workbench; the utility model discloses the surface smoothness of assurance lithium cell diaphragm cutting department that can be abundant to avoid causing the cutting deviation because of wrinkling or other unevenness condition, influenced cutting accuracy greatly.
Description
Technical Field
The utility model relates to a cutting device technical field, concretely relates to cutting device is used in production of lithium cell diaphragm.
Background
In the overall composition of a lithium battery, the separator is one of the most critical internal components. The performance of the lithium battery determines the interface structure, internal resistance and the like of the lithium battery, and directly influences the capacity, circulation, safety and the like of the lithium battery. The lithium battery diaphragm is mainly used for separating the positive electrode and the negative electrode of the lithium battery, preventing the two electrodes from contacting and short-circuiting, and has the function of enabling electrolyte ions to smoothly circulate.
In the document with publication number CN208322880U, the position of the cutting knife is adjusted by the scale marks only according to the adjustment of the position of the supporting rod, so as to control the cutting length; and the cutting device is combined with the existing cutting device for producing the lithium battery diaphragm, the placing flatness of the lithium battery diaphragm at the cutting position is difficult to ensure in the cutting process of the lithium battery diaphragm, so that the cutting deviation is easy to cause by wrinkling or other uneven conditions, and the cutting precision is greatly influenced; when the multi-layer lithium battery diaphragm is cut together, the multi-layer lithium battery diaphragm is blown up or deviated under the action of external force, and then the cutting quality is influenced.
The solution is now provided in view of the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cutting device is used in production of lithium battery diaphragm, the utility model discloses a according to torsion spring's restoring force effect with the clamp plate automatic turn to original position department to and make ball and one deck or multilayer lithium battery diaphragm in close contact with and press it firmly, and can also prevent that torsion spring from driving the clamp plate and pressing down according to the limiting displacement of activity post and L type stopper when pressing firmly, make the surface tension of one deck or multilayer lithium battery diaphragm too big and cause its damage or slide, the effectual condition of avoiding blowing it up or appearing the off tracking phenomenon because of the exogenic action, improved holistic cutting quality greatly;
when the roller shaft at the lower part of the elastic column is contacted with the one layer or the multiple layers of lithium battery diaphragms, the two correspondingly arranged roller shafts move towards two sides by taking the cutting part as the center, so as to drive the second slider to move upwards and compress the expansion spring, and the contact force between the roller shaft and the one layer or the multiple layers of lithium battery diaphragms can be reduced while the close contact between the roller shaft and the one layer or the multiple layers of lithium battery diaphragms is ensured according to the buffering and restoring functions of the expansion spring, so that the surface of the roller shaft is prevented from being damaged; still will drive the bungee cord simultaneously and stretch gradually and make the connecting axle rotate, and because the both ends of bungee cord all are connected with two elastic columns, and according to the restoring force effect of bungee cord, make the pulling force that receives between two elastic columns equal, and then can keep mutual synchronization when the motion, in order to guarantee the cutting process of lithium battery diaphragm, the roughness of placing of the lithium battery diaphragm of its cutting department, in order to avoid causing the cutting deviation because of wrinkling or other unevenness circumstances, the cutting precision has been influenced greatly.
The utility model discloses the technical problem that will solve as follows:
(1) when the multi-layer lithium battery diaphragm is cut together, the situation that the multi-layer lithium battery diaphragm is blown up or deviates due to the action of external force is avoided, and the integral cutting quality is improved;
(2) how to guarantee through an effectual mode in the cutting process of lithium battery diaphragm, the placing smoothness of the lithium battery diaphragm of its cutting department to avoid causing the cutting deviation because of wrinkling or other unevenness condition, influenced cutting accuracy greatly.
The purpose of the utility model can be realized by the following technical scheme:
a cutting device for producing a lithium battery diaphragm comprises a workbench, a first sliding block, a first sliding groove, a first electric push rod, a baffle, a roller shaft, an elastic column, a fixing plate, a second electric push rod, a partition plate, a supporting plate, a fixing frame, a ball, a pressing plate, a torsion spring, an L-shaped limiting block, a movable column, a second sliding block, a second sliding groove, a connecting shaft, a cutting tool bit, an elastic rope and a telescopic spring, wherein the first sliding groove is formed in one side of the top of the workbench;
the movable column penetrates through the other side of the top of the workbench, a pressing plate is fixed to the top end of the movable column through spot welding, balls are uniformly embedded into the pressing plate and one side, adjacent to the workbench, of the pressing plate, a torsion spring is sleeved on the outer side of the movable column, two ends of the torsion spring are fixed to one side of the bottom of the pressing plate and one side of the top of the workbench through spot welding, an L-shaped limiting block is fixed to the inner wall of the top of the workbench through screws, and the L-shaped limiting block and the movable column are of a matched structure;
a supporting plate is fixed at the center of the top of the workbench through a bolt, a second electric push rod is fixed at one side of the supporting plate through a bolt, a partition plate is fixed at the bottom end of the second electric push rod through a bolt, a fixing plate is fixed at the center of the bottom of the partition plate through a screw, a cutting tool bit is embedded in the bottom of the fixing plate, second sliding grooves are correspondingly formed in two sides of the partition plate, a second sliding block is installed inside the second sliding grooves, a telescopic spring is fixed between one side of the second sliding block and the inner wall of one side of the second sliding grooves through spot welding, an elastic column is movably connected at one side of the second sliding block through a hinge, a fixing frame is fixed at the bottom end of the elastic column through a bolt, a roll shaft is movably connected at one side of the fixing frame through a bearing, a connecting shaft is movably connected at the position, close to the cutting tool bit, two ends of the elastic rope are connected with the two elastic columns; and the first electric push rod and the second electric push rod are electrically connected with an external power supply.
Furthermore, one side of the movable column is of a tooth-shaped structure inclined sixty degrees downwards and is clamped with the L-shaped limiting block, and the movable column is movably connected with the workbench so as to block the downward movement process of the movable column by the L-shaped limiting block.
Furthermore, the plane that the baffle was located is perpendicular with the plane that the backup pad was located mutually, the activity post is in same straight line with first spout, and this straight line is perpendicular with the baffle mutually and is located its central point.
Furthermore, the vertical distance between the bottom end of the elastic column when the elastic column is static and the cutting tool bit is ten centimeters, so that the roller shaft at the lower part of the elastic column is firstly contacted with the lithium battery diaphragm to be cut when moving downwards.
The utility model has the advantages that:
1. the utility model is that one or more layers of lithium battery diaphragms are firstly arranged on a workbench, then the first electric push rod is controlled to move and cling to one end of the first electric push rod, then the pressing plate is rotated and drives the movable post to be separated from the L-shaped limiting block, then the pressing plate is lifted upwards until the rolling balls are parallel to one or more layers of lithium battery diaphragms, the pressing plate is loosened and automatically turned back to the original position according to the restoring force action of the torsion spring, and the ball is tightly contacted with one or more layers of lithium battery diaphragms and firmly pressed, and the torsion spring can be prevented from driving the pressing plate to be pressed downwards at all times according to the limiting action of the movable column and the L-shaped limiting block, the one or more layers of lithium battery diaphragms are damaged or slide due to overlarge surface tension, the condition that the lithium battery diaphragms are blown up or deviate due to the action of external force is effectively avoided, and the integral cutting quality is greatly improved;
2. the utility model discloses a control second electric putter earlier and release and drive the gradual downstream of fixed plate, the fixed plate drives cutting tool bit and elastic column downstream, the roller until the elastic column lower part contacts with one deck or multilayer lithium battery diaphragm, and in this process, two rollers that correspond the setting will use its cutting department as the center to move to both sides, and then drive the second slider upward movement and compress expanding spring, and can play buffering and reply the effect according to expanding spring, when guaranteeing the intimate contact between roller and one deck or multilayer lithium battery diaphragm, reduce the contact force between roller and one deck or multilayer lithium battery diaphragm, in order to avoid causing the damage to its surface; still will drive the bungee cord simultaneously and stretch gradually and make the connecting axle rotate, and because the both ends of bungee cord all are connected with two elastic columns, and according to the restoring force effect of bungee cord, make the pulling force that receives between two elastic columns equal, and then can keep mutual synchronization when the motion, in order to guarantee the cutting process of lithium battery diaphragm, the roughness of placing of the lithium battery diaphragm of its cutting department, in order to avoid causing the cutting deviation because of wrinkling or other unevenness circumstances, the cutting precision has been influenced greatly.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall front sectional view of the present invention;
fig. 2 is an enlarged schematic structural diagram of a region a in fig. 1 according to the present invention;
FIG. 3 is a schematic view of the connection structure between the roller shaft and the fixing frame of the present invention;
in the figure: 1. a work table; 2. a first slider; 3. a first chute; 4. a first electric push rod; 5. a baffle plate; 6. a roll shaft; 7. an elastic column; 8. a fixing plate; 9. a second electric push rod; 10. a partition plate; 11. a support plate; 12. a fixed mount; 13. a ball bearing; 14. pressing a plate; 15. a torsion spring; 16. an L-shaped limiting block; 17. a movable post; 18. a second slider; 19. a second chute; 20. a connecting shaft; 21. a cutting bit; 22. a bungee cord; 23. a telescoping spring.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a cutting device for producing a lithium battery diaphragm comprises a workbench 1, a first sliding block 2, a first sliding groove 3, a first electric push rod 4, a baffle 5, a roller shaft 6, an elastic column 7, a fixing plate 8, a second electric push rod 9, a partition plate 10, a supporting plate 11, a fixing frame 12, a ball 13, a pressing plate 14, a torsion spring 15, an L-shaped limiting block 16, a movable column 17, a second sliding block 18, a second sliding groove 19, a connecting shaft 20, a cutting tool bit 21, an elastic rope 22 and a telescopic spring 23, wherein the first sliding groove 3 is formed in one side of the top of the workbench 1, the first sliding block 2 is installed inside the first sliding groove 3, the first electric push rod 4 is fixed to the inner wall of one side of the first sliding groove 3 through a screw, the first electric push rod 4 is fixedly bonded with the first sliding block 2, and the baffle 5 is fixed to the top of the first sliding block 2 through;
the movable column 17 penetrates through the other side of the top of the workbench 1, a pressing plate 14 is fixed at the top end of the movable column 17 through spot welding, balls 13 are uniformly embedded into the pressing plate 14 and one side, adjacent to the workbench 1, of the pressing plate 14, a torsion spring 15 is sleeved on the outer side of the movable column 17, two ends of the torsion spring 15 are fixed with one side of the bottom of the pressing plate 14 and one side of the top of the workbench 1 through spot welding respectively, an L-shaped limiting block 16 is fixed on the inner wall of the top of the workbench 1 through screws, the L-shaped limiting block 16 and the movable column 17 are of a matched structure, one side of the movable column 17 is of a tooth-shaped structure inclining sixty degrees downwards and is clamped with the L-shaped limiting block 16, and the movable column 17 is movably connected with the workbench 1 so that the L-shaped limiting block 16 blocks;
a supporting plate 11 is fixed at the center of the top of the workbench 1 through a bolt, a second electric push rod 9 is fixed at one side of the supporting plate 11 through a bolt, a partition plate 10 is fixed at the bottom end of the second electric push rod 9 through a bolt, a fixing plate 8 is fixed at the center of the bottom of the partition plate 10 through a screw, a cutting bit 21 is embedded at the bottom of the fixing plate 8, second sliding grooves 19 are correspondingly formed in two sides of the partition plate 10, a second sliding block 18 is installed in each second sliding groove 19, a telescopic spring 23 is fixed between one side of each second sliding block 18 and the inner wall of one side of each second sliding groove 19 through spot welding, one side of each second sliding block 18 is movably connected with an elastic column 7 through a hinge, a fixing frame 12 is fixed at the bottom end of each elastic column 7 through a bolt, a roll shaft 6 is movably connected to one side of the fixing frame 12 through a bearing, the outer side of the connecting shaft 20 is sleeved with an elastic rope 22, two ends of the elastic rope 22 are connected with the two elastic columns 7, the plane where the baffle 5 is located is vertical to the plane where the supporting plate 11 is located, the movable column 17 and the first sliding chute 3 are located on the same straight line, the straight line is vertical to the baffle 5 and located at the center of the straight line, the vertical distance between the bottom end of the elastic column 7 when the elastic column is static and the cutting tool bit 21 is ten centimeters, and therefore when the roller shaft 6 at the lower part of the elastic column 7 moves downwards, the roller shaft is firstly contacted with a lithium battery diaphragm to be cut; the first electric push rod 4 and the second electric push rod 9 are both electrically connected with an external power supply.
The working principle is as follows: firstly, one or more layers of lithium battery diaphragms are arranged on a workbench 1, then a first electric push rod 4 is controlled to move and cling to one end of the workbench, then a press plate 14 is rotated and drives a movable column 17 to be separated from an L-shaped limiting block 16, then the press plate 14 is lifted upwards until balls 13 are parallel to the one or more layers of lithium battery diaphragms, the press plate 14 is loosened and automatically rotated back to the original position according to the restoring force of a torsion spring 15, and the ball 13 is tightly contacted with one or more layers of lithium battery diaphragms and firmly pressed, and the pressure plate 14 is prevented from being pressed downwards by the torsion spring 15 according to the limit action of the movable column 17 and the L-shaped limit block 16, the one or more layers of lithium battery diaphragms are damaged or slide due to overlarge surface tension, the condition that the lithium battery diaphragms are blown up or deviate due to the action of external force is effectively avoided, and the integral cutting quality is greatly improved;
then, the second electric push rod 9 is controlled to be pushed out and drive the fixing plate 8 to move downwards step by step, the fixing plate 8 drives the cutting tool bit 21 and the elastic column 7 to move downwards until the roller shaft 6 at the lower part of the elastic column 7 is contacted with one or more layers of lithium battery diaphragms, in the process, the two roller shafts 6 which are correspondingly arranged move towards two sides by taking the cutting part as the center, further the second sliding block 21 is driven to move upwards and compress the telescopic spring 23, and the contact force between the roller shaft 6 and the one or more layers of lithium battery diaphragms is reduced while the tight contact between the roller shaft 6 and the one or more layers of lithium battery diaphragms is ensured according to the buffering and restoring action of the telescopic spring 23, so that the surface of the roller shaft 6 is prevented from being damaged; meanwhile, the elastic rope 22 is driven to be gradually stretched and the connecting shaft 20 is driven to rotate, and because the two ends of the elastic rope 22 are connected with the two elastic columns 7, the tension force between the two elastic columns 7 is equal according to the restoring force action of the elastic rope 22, so that the two elastic columns 7 can keep synchronous with each other during movement, the placing flatness of the lithium battery diaphragm at the cutting position is ensured in the cutting process of the lithium battery diaphragm, so that the cutting deviation caused by wrinkling or other uneven conditions is avoided, and the cutting precision is greatly influenced;
finally, the cutting tool bit 21 is contacted with one or more lithium battery membranes to complete the cutting operation.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A cutting device for producing a lithium battery diaphragm comprises a workbench (1), a first sliding block (2), a first sliding groove (3), a first electric push rod (4), a baffle (5), a roller shaft (6), an elastic column (7), a fixing plate (8), a second electric push rod (9), a partition plate (10), a supporting plate (11), a fixing frame (12), balls (13), a pressing plate (14), a torsion spring (15), an L-shaped limiting block (16), a movable column (17), a second sliding block (18), a second sliding groove (19), a connecting shaft (20), a cutting tool bit (21), a bungee cord (22) and a telescopic spring (23), and is characterized in that the first sliding groove (3) is formed in one side of the top of the workbench (1), the first sliding groove (3) is internally provided with the first sliding block (2), and the first electric push rod (4) is fixed on the inner wall of one side of the first sliding groove (3) through screws, the first electric push rod (4) and the first sliding block (2) are fixedly bonded, and a baffle (5) is fixed at the top of the first sliding block (2) through a screw;
the movable column (17) penetrates through the other side of the top of the workbench (1), a pressing plate (14) is fixed to the top end of the movable column (17) through spot welding, balls (13) are uniformly embedded into the pressing plate (14) and one side, adjacent to the workbench (1), of the pressing plate (14), a torsion spring (15) is sleeved on the outer side of the movable column (17), two ends of the torsion spring (15) are fixed to one side of the bottom of the pressing plate (14) and one side of the top of the workbench (1) through spot welding, an L-shaped limiting block (16) is fixed to the inner wall of the top of the workbench (1) through screws, and the L-shaped limiting block (16) and the movable column (17) are of a matched structure;
the top center of the workbench (1) is fixed with a support plate (11) through a bolt, one side of the support plate (11) is fixed with a second electric push rod (9) through a bolt, the bottom end of the second electric push rod (9) is fixed with a partition plate (10) through a bolt, the bottom center of the partition plate (10) is fixed with a fixed plate (8) through a bolt, a cutting tool bit (21) is embedded into the bottom of the fixed plate (8), second sliding grooves (19) are correspondingly formed in two sides of the partition plate (10), a second sliding block (18) is installed inside the second sliding groove (19), an expansion spring (23) is fixed between one side of the second sliding block (18) and the inner wall of one side of the second sliding groove (19) through spot welding, one side of the second sliding block (18) is movably connected with an elastic column (7) through a hinge, and a fixing frame (12) is fixed at the bottom end of the elastic column (7, one side of the fixed frame (12) is movably connected with a roll shaft (6) through a bearing, a connecting shaft (20) is movably connected to the position, close to the cutting tool bit (21), inside the fixed plate (8) through a bearing, the outer side of the connecting shaft (20) is sleeved with an elastic rope (22), and two ends of the elastic rope (22) are connected with the two elastic columns (7); and the first electric push rod (4) and the second electric push rod (9) are electrically connected with an external power supply.
2. The cutting device for producing the lithium battery diaphragm as claimed in claim 1, wherein one side of the movable column (17) is of a tooth-shaped structure inclined sixty degrees downwards and is clamped with the L-shaped limiting block (16), and the movable column (17) is movably connected with the workbench (1).
3. The cutting device for producing the lithium battery diaphragm as recited in claim 1, wherein the plane of the baffle plate (5) is perpendicular to the plane of the support plate (11), the movable column (17) is in the same straight line with the first sliding groove (3), and the straight line is perpendicular to the baffle plate (5) and is located at the center of the straight line.
4. The cutting device for producing the lithium battery diaphragm as claimed in claim 1, wherein the vertical distance between the bottom end of the elastic column (7) when the elastic column is still and the cutting head (21) is ten cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921213419.XU CN210879900U (en) | 2019-07-30 | 2019-07-30 | Cutting device is used in production of lithium cell diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921213419.XU CN210879900U (en) | 2019-07-30 | 2019-07-30 | Cutting device is used in production of lithium cell diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210879900U true CN210879900U (en) | 2020-06-30 |
Family
ID=71325705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921213419.XU Expired - Fee Related CN210879900U (en) | 2019-07-30 | 2019-07-30 | Cutting device is used in production of lithium cell diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210879900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115416062A (en) * | 2022-08-29 | 2022-12-02 | 安徽大禹防水科技发展有限公司 | Cutting equipment |
-
2019
- 2019-07-30 CN CN201921213419.XU patent/CN210879900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115416062A (en) * | 2022-08-29 | 2022-12-02 | 安徽大禹防水科技发展有限公司 | Cutting equipment |
| CN115416062B (en) * | 2022-08-29 | 2024-06-14 | 安徽大禹防水科技发展有限公司 | Cutting equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105742688B (en) | Device for automatically winding type laminated battery | |
| CN210879900U (en) | Cutting device is used in production of lithium cell diaphragm | |
| CN112332024A (en) | New forms of energy lithium cell manufacturing and forming system | |
| CN113471623B (en) | Trimming treatment method for heat-set lithium battery diaphragm | |
| CN110635173A (en) | Z-type lamination device for battery core lamination | |
| CN220262196U (en) | Cutting equipment with location structure | |
| CN211169088U (en) | Battery diaphragm coiling mechanism | |
| CN218849569U (en) | U-shaped rubberizing device for lithium battery electrode slice | |
| CN217033375U (en) | Detection apparatus for heat conduction polyester film | |
| CN116207386A (en) | Separation process of power battery winding core | |
| CN214561615U (en) | Can prevent panel cutting device for furniture production of skew | |
| CN211350875U (en) | Electricity core roller flat bed constructs | |
| CN214818854U (en) | Diaphragm cutting device | |
| CN207874422U (en) | The double-station die-cutting device of processing printed label roll | |
| CN220796831U (en) | Pressing device for battery production and processing | |
| CN109406723B (en) | On-line monitoring device for flaws of lithium battery diaphragm | |
| CN219854721U (en) | Lithium battery diaphragm cutting equipment | |
| CN219275926U (en) | Adhesive tape production cutting machine capable of adjusting blade spacing | |
| CN220934150U (en) | Auxiliary film covering device of automatic lithium battery lamination machine | |
| CN115020820B (en) | Film pasting device and method for lithium battery production | |
| CN217158276U (en) | Lithium cell production and processing is with electric core flattening device | |
| CN213580088U (en) | Roller needle bearing static stress detection device | |
| CN214226928U (en) | Battery piece breaks piece device off with fingers and thumb | |
| CN218950605U (en) | Geomembrane production guide frame | |
| CN217322684U (en) | Last structure of pressing of complex film conveyer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211026 Address after: 230000 room 1252, building a, phase II, innovation industrial park, No. 2800, innovation Avenue, high tech Zone, Hefei, Anhui Province Patentee after: Anhui Hengsheng Internet of things Technology Co.,Ltd. Address before: 230000 room 111, building 1, Science Park entrepreneurship center, No. 79, science Avenue, high tech Zone, Hefei, Anhui Province Patentee before: Anhui Yuxin Energy Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |