Crude foil engine structure with improved copper foil pattern

By installing a transition roller in the middle of the peeling roller of the foil raising machine and the anti-oxidation-proof channel guide roller, and setting a cutter groove, the appearance defects in the copper foil pattern are solved, and the straightness and production efficiency of the copper foil pattern are improved.

CN222861674UActive Publication Date: 2025-05-13HUBEI NORD LITHIUM BATTERY MATERIALS CO LTD
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Patent Information

Application Number
CN202421888441.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-05-13
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The existing foil-growing machine structure causes appearance defects in the copper foil in the pattern, such as wrinkles, uneven tension of the mother roll, bubble yarn, etc., which affects the production efficiency and pass rate.

Method used

A foil foil-generating machine structure with improved copper foil pattern is designed, by installing a transition roller in the middle of the peeling roller and the anti-oxidation-proof channel guide roller, and setting cut grooves on both sides of the peeling roller for edge cutting treatment.

Benefits of technology

This structure offsets the tension influence during the copper foil transmission between the transition roller and the anti-oxidation guide roller, optimizes the fixity of the copper foil pattern, reduces wrinkle, improves the uneven tension of the main roll and the problem of bubble yarn, thereby improving production efficiency and pass rate.

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Abstract

The utility model provides a crude foil engine structure with an improved copper foil model, which relates to the technical field of electrolytic copper foils and comprises a base, an electrolytic bath and a mounting frame are arranged on the upper surface of the base, a cathode roller is mounted in the electrolytic bath, a stripping roller is arranged at one end, close to the cathode roller, of the mounting frame, and cutter devices are arranged at two ends of the stripping roller. A transition roller, an anti-oxidation groove-entering guide roller and a tension roller are sequentially arranged at the upper end of the mounting frame from right to left, a winding roller is further arranged at the left end of the mounting frame, and copper foil separated out of the cathode roller sequentially passes through the stripping roller, the transition roller, the anti-oxidation groove-entering guide roller and the tension roller and is finally wound through the winding roller. According to the design, the transition roller is additionally arranged between the stripping roller and the anti-oxidation groove entering guide roller, the fixity of a copper foil model is optimized, and the copper foil model cannot be wrinkled due to the influence of external wind power, so that the copper foil model is straighter, the wrinkling condition in the copper foil production is reduced, and the problems of uneven tension of a copper foil mother roll and seersucker are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic copper foil, in particular to a foil production machine structure with an improved copper foil version. Background Art

[0002] Lithium battery copper foil, as the essence of lithium-ion battery manufacturing, uses high-quality pure copper as raw material and is made into ultra-thin film-shaped current collectors through precision processing. Its uniqueness lies in optimizing the transmission path of electrons, significantly improving the conductivity of the battery, and ensuring the uniform distribution of current inside the battery, effectively reducing energy loss.

[0003] Raw foil is an important part of the production of lithium battery copper foil, and the raw foil machine is an important equipment in the raw foil process. The current raw foil machine structure is that copper sulfate is electrolyzed and copper ions are precipitated onto the cathode roller to form copper foil. After the copper foil is peeled off by the peeling roller, it is trimmed by the cutting knife roller. After normal edge trimming, it is passed through the transition roller and the anti-oxidation pressure roller. In production, it will cause appearance defects on the copper foil pattern, wrinkles in copper foil production, uneven tension of the copper foil mother roll and seersucker, which will affect the production efficiency and qualified rate of copper foil. For this reason, we propose a raw foil machine structure with improved copper foil pattern. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a foil producing machine structure with an improved copper foil pattern, which solves the problems raised in the above background technology, such as wrinkles of the copper foil due to the influence of external wind, uneven tension of the copper foil mother roll, seersucker, poor copper foil pattern and other appearance defects, thereby affecting the production efficiency and pass rate of the copper foil.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a foil machine structure with an improved copper foil version, characterized in that it includes a base, an electrolytic cell and a mounting frame are provided on the upper surface of the base, a cathode roller is installed inside the electrolytic cell, a stripping roller is provided at one end of the mounting frame close to the cathode roller, cutting devices are provided at both ends of the stripping roller, a transition roller, an anti-oxidation slot guide roller and a tension roller are provided at the upper end of the mounting frame from right to left, and a winding roller is also provided at the left end of the mounting frame, and the copper foil precipitated on the cathode roller passes through the stripping roller, the transition roller, the anti-oxidation slot guide roller and the tension roller in sequence, and is finally wound up by the winding roller.

[0006] As a further technical solution of the utility model, the cutting device includes a cutting groove and a trimming knife. The cutting groove is arranged at both ends of the peeling roller, and the trimming knife is installed on the cutting groove.

[0007] As a further technical solution of the utility model, the trimming knife is in a circular ring shape.

[0008] As a further technical solution of the utility model, the height of the transition roller is higher than the height of the stripping roller, and the height of the transition roller is lower than the anti-oxidation trough guide roller.

[0009] The utility model provides a foil production machine structure with an improved copper foil version, which has the following beneficial effects compared with the prior art:

[0010] 1. Improve the structure of the copper foil machine by adding a transition roller between the stripping roller and the anti-oxidation slot guide roller. The tension generated during the copper foil transmission process will be offset between the transition roller and the anti-oxidation slot guide roller, and the fixity of the copper foil will be optimized. It will not be wrinkled by the external wind force, making the copper foil pattern straighter, reducing the wrinkling in the copper foil production, and improving the uneven tension of the copper foil mother roll and the problem of seersucker.

[0011] 2. Improve the structure of the copper foil machine. Cutting grooves are machined on both sides of the stripping roller to allow trimming after the copper foil is stripped. This makes it easier for workers to collect the trimming, reduces labor intensity, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A schematic diagram of the structure of a foil production machine for an improved copper foil version Figure 1 ;

[0013] Figure 2 The structure of the peeling roller is shown in FIG. Figure 1 ;

[0014] Figure 3 Schematic diagram of the peeling roller structure Figure 2 .

[0015] In the figure: 1. base; 2. electrolytic cell; 3. mounting frame; 4. cathode roller; 5. stripping roller; 6. cutting knife device; 601. cutting knife groove; 602. trimming knife; 7. transition roller; 8. anti-oxidation slot guide roller; 9. tension roller; 10. winding roller. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] See also Figure 1 The utility model provides a technical solution for the structure of a copper foil production machine with an improved copper foil version:

[0018] The invention comprises a base 1, an electrolytic cell 2 and a mounting frame 3 are arranged on the upper surface of the base 1, a cathode roller 4 is arranged inside the electrolytic cell 2, a stripping roller 5 is arranged at one end of the mounting frame 3 close to the cathode roller 4, and a cutting device 6 is arranged at both ends of the stripping roller 5. A transition roller 7, an anti-oxidation slot guide roller 8 and a tension roller 9 are arranged on the upper end of the mounting frame 3 from right to left in sequence, and a transition roller 7 is installed in the middle position between the stripping roller 5 and the anti-oxidation slot guide roller 8. The height of the transition roller 7 is higher than that of the stripping roller 5, and the height of the transition roller 7 is lower than that of the anti-oxidation slot guide roller 8, forming a gradually upward device, and the copper foil precipitated from the cathode roller 4 is stripped by the stripping roller and then begins to trim the edge, and the edge material is collected normally, and the copper foil passes through the transition roller 7 and the anti-oxidation slot guide roller 8. A winding roller 10 is also arranged at the left end of the mounting frame 3, and the copper foil precipitated from the cathode roller 4 passes through the stripping roller 5, the transition roller 7, the anti-oxidation slot guide roller 8 and the tension roller 9 in sequence, and is finally wound up by the winding roller 10.

[0019] The cutting device 6 includes a cutting groove 601 and a trimming knife 602. The cutting groove 601 is arranged at both ends of the peeling roller 5. It can be understood that the cutting groove 601 is respectively machined at both ends of the peeling roller 5. The trimming knife 602 is installed on the cutting groove 601, and the trimming knife 602 is in a circular ring shape.

[0020] The working principle of the utility model is as follows: a transition roller 7 is installed between the stripping roller 5 and the anti-oxidation slot guide roller 8, which is higher than the stripping roller 5 and lower than the anti-oxidation slot guide roller 8, forming a gradually upward device, and cutting knife grooves 601 are respectively cut at both ends of the stripping roller 5, and the trimming knife 602 is installed. After the copper foil precipitated from the cathode roller 4 is stripped by the stripping roller 5, the trimming process begins. After the trimming process is completed, the copper foil passes through the transition roller 7 from below, the anti-oxidation slot guide roller 8, and then the tension roller 9 to ensure flatness, and finally the normal winding is carried out to ensure that the copper foil is more straight.

[0021] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A copper foil machine structure with improved copper foil type, characterized in that: The invention comprises a base (1), wherein an electrolytic cell (2) and a mounting frame (3) are provided on the upper surface of the base (1), a cathode roller (4) is installed inside the electrolytic cell (2), a stripping roller (5) is provided at one end of the mounting frame (3) close to the cathode roller (4), and cutting devices (6) are provided at both ends of the stripping roller (5), and a transition roller (7), an anti-oxidation slot guide roller (8) and a tension roller (9) are provided at the upper end of the mounting frame (3) in sequence from right to left, and a winding roller (10) is also provided at the left end of the mounting frame (3), and the copper foil precipitated on the cathode roller (4) passes through the stripping roller (5), the transition roller (7), the anti-oxidation slot guide roller (8) and the tension roller (9) in sequence, and is finally wound up by the winding roller (10).

2. The improved copper foil production machine structure according to claim 1 is characterized in that: The cutting device (6) comprises a cutting groove (601) and a trimming knife (602); the cutting groove (601) is arranged at both ends of the peeling roller (5); and the trimming knife (602) is installed on the cutting groove (601).

3. The improved copper foil production machine structure according to claim 2 is characterized in that: The trimming knife (602) is in the shape of a circular ring.

4. The improved copper foil production machine structure according to claim 1 is characterized in that: The height of the transition roller (7) is higher than the height of the stripping roller (5), and the height of the transition roller (7) is lower than the anti-oxidation slot guide roller (8).