Foil fold pressing and unfolding tool
By designing a foil pleating and pressing tool, and using aluminum rollers and limiting structures to smooth the foil pleats, the problem of lack of tools in the existing technology is solved, and the production quality of lithium battery electrodes is improved.
Patent Information
- Application Number
- CN202422975893.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Current technology lacks suitable tools to remove wrinkles on lithium battery electrodes, and manual removal of wrinkles affects product quality.
Design a foil pleating and pressing tool, including a fixed block, steel shaft, aluminum roller, upper and lower semi-circular covers, hinge, permanent magnet and bolts, etc. The aluminum roller presses back and forth on the foil surface to flatten the pleats, and the aluminum roller is protected by limiting and shielding structures to prevent debris from affecting the foil.
It achieves efficient and smooth foil wrinkles, protects the foil surface from damage, and improves the production quality of lithium battery electrodes.
Smart Images

Figure CN223465344U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foil wrinkle press field, concretely is a kind of foil wrinkle press tool. BACKGROUND
[0002] With the continuous updating development of modern science and technology, the large use of new energy vehicles, the market demand of new energy lithium battery and the quality requirement of battery are higher and higher, and various quality requirements in the production process of lithium battery are also higher.
[0003] In the production process of lithium battery electrode, a large number of wrinkles appear on the electrode roll due to uneven winding tension, which affects the quality of the electrode product, and the wrinkles are removed manually without specific tools.
[0004] The disadvantages of the prior art are: 1. There is no suitable tool to eliminate the wrinkles on the electrode; 2. The quality of the product is affected when the wrinkles are smoothed by hand. INVENTION CONTENTS
[0005] The utility model aims at overcoming the shortcomings of the prior art, meeting the needs of the reality, and providing a foil wrinkle press tool to solve the technical problem that there is no suitable tool to eliminate the wrinkles on the electrode, and the quality of the product is affected when the wrinkles are smoothed by hand.
[0006] In order to achieve the purpose of the utility model, the utility model adopts the technical scheme of designing a foil wrinkle press tool, which includes a fixed block, the number of fixed blocks is two, two steel shafts are rotatably connected between the two fixed blocks, bearings are installed on the outer sides of the two steel shafts, aluminum rollers are sleeved on the outer sides of the two steel shafts, and the outer rings of the bearings are connected with the inner walls of the aluminum rollers.
[0007] Two upper semicircular covers are connected between the two fixed blocks, the two upper semicircular covers are connected by a connecting plate, and the two upper semicircular covers are respectively placed above the aluminum rollers, hinges are installed on one end of the outer sides of the two upper semicircular covers, lower semicircular covers are hingedly connected to the two upper semicircular covers through the hinges, and baffles are fixedly connected to the bottom sides of the connecting plates of the two upper semicircular covers.
[0008] Preferably, permanent magnets are installed on the bottom of the two baffles and one end of the two lower semicircular covers, and the permanent magnets on the baffles and the permanent magnets on the lower semicircular covers have opposite magnetic poles at the opposite ends.
[0009] Preferably, a hole is formed in one end of the two lower semicircular covers close to the fixed block, a bolt is threaded through one end of the outer side of the fixed block, and the bolt corresponds to and matches the hole.
[0010] Preferably, the two lower semicircular covers are provided with shielding plates on both sides.
[0011] Preferably, the two steel shafts are provided with hoops on the outer sides of both sides of the two aluminum rollers, and the four hoops are respectively close to the two ends of the two aluminum rollers.
[0012] Preferably, the two fixed blocks are provided with arc-shaped handles on the top, and the two arc-shaped handles are respectively arranged at the middle of the top of the two fixed blocks.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. The utility model discloses a structure that combines an aluminum roller, a fixed block, an arc-shaped handle, a lower semicircular cover, an upper semicircular cover, a hinge, a steel shaft and a bearing, and the operator holds the arc-shaped handle tightly with both hands, places the aluminum roller on the surface of the wrinkled foil, pushes forward and backward to make the aluminum roller press and spread on the surface of the foil, and finally flattens the wrinkled foil, thereby simply and efficiently achieving the expected requirement, and when not in use, the lower semicircular cover is folded through the hinge and connected with the upper semicircular cover to protect the aluminum roller, avoiding that the aluminum roller surface has debris when not in use, which damages the foil when used again.
[0015] 2. The utility model discloses a structure that combines a jack, a bolt, a permanent magnet and a shielding plate, when the aluminum roller is used, the lower semicircular cover is rotated through the hinge to make the jack correspond to the bolt, then the bolt is screwed into the jack to limit the lower semicircular cover, thereby avoiding that the movement of the lower semicircular cover affects the rolling and pressing of the aluminum roller on the foil, and when not in use, the bolt is unscrewed from the jack, thereby rotating the lower semicircular cover to shield the lower part of the aluminum roller, improving the sealing effect of the protection of the aluminum roller in cooperation with the shielding plate, and the permanent magnets are mutually adsorbed to limit the lower semicircular cover, avoiding that the lower semicircular cover affects the protection effect of the aluminum roller when separated. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a fixed block and aluminum roller connection structure schematic view of the utility model;
[0018] Figure 3 It is a whole use structure schematic view of the utility model;
[0019] Figure 4 It is an upper semicircular cover and lower semicircular cover connection structure schematic view of the utility model;
[0020] Figure 5 It is an aluminum roller and steel shaft connection sectional front view of the utility model.
[0021] In the figure: 1, fixed block; 2, arc-shaped handle; 3, upper half cover; 4, hinge; 5, lower half cover; 6, bolt; 7, steel shaft; 8, hoop; 9, aluminum roller; 10, jack; 11, shielding disc; 12, partition; 13, permanent magnet; 14, bearing. DETAILED DESCRIPTION
[0022] The utility model is further illustrated below in combination with the drawings and examples:
[0023] Example 1: a foil wrinkle pressing and expanding tool, referring to Figures 1 to 5 , including fixed block 1, the number of fixed block 1 is two, two steel shafts 7 are rotatably connected between the two fixed blocks 1, bearings 14 are installed on the outer sides of the two steel shafts 7, aluminum rollers 9 are sleeved on the outer sides of the two steel shafts 7, and the outer rings of the bearings 14 are connected with the inner walls of the aluminum rollers 9; two upper half covers 3 are connected between the two fixed blocks 1, the two upper half covers 3 are connected through connecting plates, and the two upper half covers 3 are respectively placed above the aluminum rollers 9, hinges 4 are installed on the outer sides of one end of the two upper half covers 3, lower half covers 5 are hingedly connected to the two upper half covers 3 through the hinges 4, partition plates 12 are fixedly connected to the bottom sides of the connecting plates of the two upper half covers 3, arc-shaped handles 2 are installed on the top portions of the two fixed blocks 1, and the two arc-shaped handles 2 are respectively placed in the middle portions of the top ends of the two fixed blocks 1; when working, the operator holds the arc-shaped handles 2 tightly, places the aluminum rollers 9 on the surface of the wrinkled foil, pushes forward and backward to make the aluminum rollers 9 press and expand on the surface of the foil back and forth, and finally presses the wrinkled foil flat, so that the expected requirements are simply and efficiently met, and when not in use, the lower half cover 5 is folded through the hinge 4 and connected with the upper half cover 3 to protect the aluminum roller 9, so that the surface of the aluminum roller 9 does not have debris when not in use, which avoids damaging the foil when used again.
[0024] Specifically, referring to Figure 3 and Figure 4, the bottom of the two partitions 12 and one end of the two lower semicircular covers 5 are both equipped with permanent magnets 13, and the permanent magnets 13 on the partitions 12 are opposite to the permanent magnets 13 on the lower semicircular covers 5 at one end. The two lower semicircular covers 5 are provided with a socket 10 at one end close to the fixed block 1, and a bolt 6 is threaded through the outer end of the fixed block 1, and the bolt 6 corresponds to and fits with the socket 10. A shielding plate 11 is installed on both sides of the two lower semicircular covers 5. When the aluminum roller 9 is in use, the hinge 4 Rotate the lower semicircular cover 5 so that the socket 10 corresponds to the bolt 6, and then screw the bolt 6 into the socket 10 to limit the lower semicircular cover 5, thereby preventing the lower semicircular cover 5 from moving and affecting the rolling of the aluminum roller 9 on the foil. When not in use, screw the bolt 6 out of the socket 10, thereby rotating the lower semicircular cover 5 to block the bottom of the aluminum roller 9, and cooperate with the shielding plate 11 to improve the sealing effect of the protection of the aluminum roller 9, and the permanent magnets 13 attract each other to limit the lower semicircular cover 5, preventing the lower semicircular cover 5 from being separated and affecting the protection effect of the aluminum roller 9.
[0025] It is worth noting that, see Figure 5 , clamps 8 are installed on the outside of the two steel shafts 7 on both sides of the two aluminum rollers 9. The four clamps 8 are respectively close to the two ends of the two aluminum rollers 9. The clamps 8 ensure that the final position and spacing of the bearings 14 carrying the aluminum rollers 9 on the steel shaft 7 are consistent, and at the same time ensure that they will not move back and forth on the steel shaft 7, thereby improving the effect of the aluminum rollers 9 on pressing the wrinkled foil.
[0026] In addition, the components designed in this utility model are all universal standard parts or components known to technical personnel in this field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in this field. Needless to say, the content protected by this utility model does not involve improvements to internal structures and methods.
[0027] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.
Claims
1. A foil creping and stretching tool comprising a fixed block (1), characterized in that, The number of the fixed blocks (1) is two, two steel shafts (7) are rotatably connected between the two fixed blocks (1), the outer sides of the two steel shafts (7) are both provided with bearings (14), the outer sides of the two steel shafts (7) are both provided with aluminum rollers (9), and the outer rings of the bearings (14) are connected with the inner walls of the aluminum rollers (9); Two upper semicircular covers (3) are connected between the two fixed blocks (1), the two upper semicircular covers (3) are connected through a connecting plate, the two upper semicircular covers (3) are respectively arranged above the aluminum rollers (9), the outer sides of the two upper semicircular covers (3) are both provided with hinges (4), the two upper semicircular covers (3) are both hingedly connected with lower semicircular covers (5) through the hinges (4), and the connecting plate bottoms of the two upper semicircular covers (3) are both fixedly connected with baffles (12).
2. A foil crimping and stretching tool as claimed in claim 1, wherein The bottoms of the two baffles (12) and one ends of the two lower semicircular covers (5) are both provided with permanent magnets (13), and the permanent magnets (13) on the baffles (12) and the permanent magnets (13) on the lower semicircular covers (5) are opposite in magnetic pole.
3. The foil crimping and stretching tool of claim 1 wherein, One ends of the two lower semicircular covers (5) close to the fixed blocks (1) are provided with insertion holes (10), the outer sides of the fixed blocks (1) are both provided with bolts (6) in threaded penetration, and the bolts (6) correspond to and are matched with the insertion holes (10).
4. The foil crimping and stretching tool of claim 1 wherein, The two sides of the two lower semicircular covers (5) are both provided with shielding discs (11).
5. The foil crimping and stretching tool of claim 1 wherein, The outer sides of the two steel shafts (7) on the two sides of the two aluminum rollers (9) are both provided with hoops (8), and the four hoops (8) are respectively tightly attached to the two ends of the two aluminum rollers (9).
6. A foil crumple and stretch tool as defined in claim 1 wherein, The top portions of the two fixed blocks (1) are both provided with arc-shaped handles (2), and the two arc-shaped handles (2) are respectively arranged at the top central portions of the two fixed blocks (1).