A precision copper foil slitting machine

Abstract

The invention discloses a precision copper foil slitting machine, which relates to the technical field of copper foil slitting, and aims to solve the problem that copper foil is very easy to contact with dust during the slitting process, resulting in errors in the width size of the copper foil after slitting. The invention comprises a shell, and the two ends of the shell are respectively fixedly connected with a material rack, and the outer walls of the material racks on both sides are respectively provided with a loading roller and a unloading roller, and the outer walls of the material racks are both fixedly connected with a first motor, and the first motor is respectively connected to the loading roller and the unloading roller for synchronous rotation, and a cleaning mechanism is provided on the side of the shell close to the loading roller, and a tension adjustment structure is provided inside the shell, and the inner wall of the shell is rotatably connected with a knife groove roller, and the inner wall of the shell is rotatably connected with a knife shaft synchronously connected with the knife groove roller. The invention has the advantage of effectively reducing the cutting deviation caused by the adhesion of dust to the copper foil during the slitting process.

Description

Technical Field

[0001] The invention relates to the technical field of copper foil slitting, and more specifically to a precision copper foil slitting machine. Background Art

[0002] With the rapid development of industries such as electronic information, the demand for copper foil is growing and the requirements for its processing precision are getting higher and higher. As a key material in the manufacture of electronic circuits, copper foil is widely used in lithium-ion batteries, printed circuit boards and other fields. In order to meet the needs of different application scenarios, wide copper foil needs to be slit into narrow copper foils of different widths, which has prompted the copper foil slitting technology to continue to develop in the direction of high speed and high precision.

[0003] The dust generated during the processing of copper foil raw materials, the debris raised during the operation of the equipment, and the dust contacted during transportation are easy to come into contact with the copper foil, so that when the cutter cuts the part where the dust is adhered during the slitting process, there may be a momentary cutting deviation, resulting in an error in the width of the copper foil after slitting. For precision slitting, even extremely small width deviations may cause serious problems in the subsequent electronic component manufacturing. In view of this, we propose a precision copper foil slitting machine. Summary of the invention

[0004] The purpose of the present invention is to provide a precision copper foil slitting machine, aiming to solve the problem that the copper foil is very likely to come into contact with dust during the slitting process, resulting in errors in the width size of the copper foil after slitting.

[0005] To solve the above technical problems, the present invention provides the following technical solutions: a precision copper foil slitting machine, comprising a shell, both ends of the shell are fixedly connected with a material rack, the outer walls of the material rack on both sides are respectively provided with a loading roller and a lowering roller, and the outer walls of the material rack are fixedly connected with a first motor, the first motor is respectively connected to the loading roller and the lowering roller for synchronous rotation, a cleaning mechanism is provided on the side of the shell close to the loading roller, a tension adjustment structure is provided inside the shell, the inner wall of the shell is rotatably connected with a knife groove roller, the inner wall of the shell is rotatably connected with a knife shaft connected synchronously with the knife groove roller, the outer wall of the knife shaft is provided with a plurality of slitting knives corresponding to the knife grooves on the knife groove roller, the inner wall of the shell is fixedly connected with a second motor, the main shaft of the second motor is connected to the knife shaft for synchronous rotation, and a plurality of guide rollers are respectively provided on the inner wall of the shell on both sides of the knife groove roller.

[0006] Preferably, the cleaning mechanism includes a third motor fixedly connected to the outer wall of the outer shell, the inner wall of the outer shell is rotatably connected to a transmission shaft, the transmission shaft is synchronously rotatably connected to the main shaft of the third motor, the outer wall of the transmission shaft is fixedly connected to a pair of eccentric disks, the outer wall of the eccentric disk is rotatably connected to a connecting rod, the inner wall of the outer shell is slidably connected to a sliding member, the other end of the connecting rod is hinged to the bottom of the sliding member, the lower side of the sliding member is rotatably connected to a pair of shaking rollers, and the top of the outer shell is also provided with an auxiliary cleaning component for cooperating with the cleaning mechanism.

[0007] Preferably, the auxiliary cleaning component includes a fixed plate arranged on the top of the shell, the bottom of the fixed plate is fixedly connected to a connecting plate, and the bottom of the connecting plate is respectively provided with multiple groups of cleaning cottons, and the bottom of the cleaning cottons is used to clean the surface of the copper foil.

[0008] Preferably, the tension adjustment mechanism includes a torsion bar hinged to the inner wall of the outer shell through a torsion spring, a pair of torsion plates are fixedly connected to the outer wall of the torsion bar, a pair of adjustment rollers are rotatably connected between the torsion plates, and the adjustment rollers are respectively located on the lower side of the guide rollers and are arranged alternately.

[0009] Preferably, a pair of clamping rollers are rotatably connected to the inner wall of the shell, the clamping rollers are located between the shaking roller and the connecting plate, and the outer walls of the clamping rollers are in contact with each other.

[0010] Preferably, a protective cover is hinged on the inner wall of the shell, the protective cover houses the knife shaft and the slitting knife cover, and the protective cover is a hollow structure.

[0011] Preferably, among the multiple groups of cleaning cottons, the cleaning cottons near the shaking roller are arranged in sequence toward the other side to form a trapezoid, and the middle part of the cleaning cotton is inclined toward both sides to form a triangular structure.

[0012] Preferably, a limit plate is fixedly connected to the inner wall of the shell, a symmetrically arranged slide groove is provided on the top of the limit plate, and a pair of limit members for limiting the copper foil are slidably connected to the inner wall of the slide groove.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention is provided with a shell, a material rack, a feeding roller, a feeding roller, a first motor, a knife groove roller, a knife shaft, a slitting knife, a second motor, a guide roller, a cleaning mechanism and an auxiliary cleaning component. The cleaning mechanism and the auxiliary cleaning component are used. The third motor drives the transmission shaft to rotate, so that the eccentric disk drives the connecting rod, and then drives the sliding part and the shaking roller to shake, and the dust on the surface of the copper foil is shaken off. Multiple groups of cleaning cotton further clean the surface of the copper foil, which effectively reduces the cutting deviation caused by the adhesion of dust to the copper foil during the slitting process, avoids the error of the width size of the copper foil after slitting, and meets the high-precision requirements of precision slitting.

[0014] The trapezoidal arrangement in the present invention enables the cleaning cotton to gradually and comprehensively clean the surface of the copper foil, so that the cleaning cotton can clean the dust in turn and gradually block the dust. As the copper foil moves, the cleaning force gradually increases, ensuring that each part can be fully cleaned and preventing the sudden accumulation of dust from scratching the copper foil. The triangular structure enables the cleaning cotton to guide the dust when it contacts the copper foil, so that the dust moves to both sides of the copper foil until it falls off, effectively improving the cleaning quality of the copper foil surface and ensuring that the slitting process is not disturbed by impurities.

[0015] The present invention uses a torsion rod and a torsion plate hinged by a torsion spring through a tension adjustment mechanism, so that the adjustment rollers are arranged in a staggered manner at the lower side of the guide rollers. The adjustment can be automatically adjusted according to the tension of the copper foil, effectively avoiding the problems of wrinkles, stretching deformation and the like of the copper foil due to uneven tension during the slitting process, and further ensuring the slitting accuracy and the quality of the copper foil. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the internal structure of the housing in the present invention; Figure 3 It is a structural schematic diagram of the connecting rod in the present invention; Figure 4 It is a schematic diagram of the structure of the limiting member in the present invention; Figure 5 It is a structural schematic diagram of the connecting plate in the present invention; Figure 6 It is a structural schematic diagram of the adjusting roller in the present invention; Figure 7 It is a schematic diagram of the structure of the cleaning cotton in the present invention.

[0017] Description of the numbers in the figure: 1. Shell; 2. Material rack; 3. Loading roller; 4. Unloading roller; 5. First motor; 6. Slitting roller; 7. Knife shaft; 8. Slitting knife; 9. Second motor; 10. Guide roller; 11. Third motor; 12. Transmission shaft; 13. Eccentric disk; 14. Connecting rod; 15. Sliding part; 16. Shaking roller; 17. Fixed plate; 18. Connecting plate; 19. Cleaning cotton; 20. Torsion bar; 21. Torsion plate; 22. Adjusting roller; 23. Clamping roller; 24. Protective cover; 25. Limiting plate; 26. Slide; 27. Limiting part. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Example

[0019] like Figure 1-7 As shown, a precision copper foil slitting machine comprises a shell 1, both ends of the shell 1 are fixedly connected with a material rack 2, the outer walls of the material racks 2 on both sides are respectively provided with a loading roller 3 and a unloading roller 4, and the outer walls of the material racks 2 are fixedly connected with a first motor 5, the first motor 5 is respectively connected to the loading roller 3 and the unloading roller 4 for synchronous rotation, a cleaning mechanism is provided on the side of the shell 1 close to the loading roller 3, a tension adjustment structure is provided inside the shell 1, the inner wall of the shell 1 is rotatably connected with a knife groove roller 6, the inner wall of the shell 1 is rotatably connected with a knife shaft 7 which is synchronously connected with the knife groove roller 6, the outer wall of the knife shaft 7 is provided with a plurality of slitting knives 8 corresponding to the knife grooves on the knife groove roller 6, the inner wall of the shell 1 is fixedly connected with a second motor 9, the main shaft of the second motor 9 is connected to the knife shaft 7 for synchronous rotation, and a plurality of guide rollers 10 are respectively provided on the inner wall of the shell 1 on both sides of the knife groove roller 6.

[0020] The cleaning mechanism includes a third motor 11 fixedly connected to the outer wall of the outer shell 1, the inner wall of the outer shell 1 is rotatably connected to a transmission shaft 12, the transmission shaft 12 is synchronously rotatably connected to the main shaft of the third motor 11, the outer wall of the transmission shaft 12 is fixedly connected to a pair of eccentric disks 13, the outer wall of the eccentric disk 13 is rotatably connected to a connecting rod 14, the inner wall of the outer shell 1 is slidably connected to a sliding member 15, the other end of the connecting rod 14 is hinged to the bottom of the sliding member 15, the lower side of the sliding member 15 is rotatably connected to a pair of shaking rollers 16, and the top of the outer shell 1 is also provided with an auxiliary cleaning component for cooperating with the cleaning mechanism.

[0021] The auxiliary cleaning component includes a fixed plate 17 arranged on the top of the shell 1, and the bottom of the fixed plate 17 is fixedly connected to a connecting plate 18. The bottom of the connecting plate 18 is respectively provided with multiple groups of cleaning cotton 19, and the bottom of the cleaning cotton 19 is used to clean the surface of the copper foil.

[0022] The tension adjustment mechanism includes a torsion bar 20 hinged to the inner wall of the shell 1 through a torsion spring, a pair of torsion plates 21 are fixedly connected to the outer wall of the torsion bar 20, and a pair of adjustment rollers 22 are rotatably connected between the torsion plates 21. The adjustment rollers 22 are respectively located on the lower side of the guide rollers 10 and are arranged alternately.

[0023] Specifically, the material racks 2 at both ends play a key role in supporting and installing the loading roller 3 and the unloading roller 4. The first motor 5 connected to the outer wall of the material rack 2 drives the loading roller 3 and the unloading roller 4 through synchronous rotation, so as to unwind and rewind the copper foil. When the copper foil enters the side of the shell 1 close to the feeding roller 3, the cleaning mechanism starts to work, and the third motor 11 installed on the outer wall of the shell 1 is started, and its main shaft drives the transmission shaft 12 connected thereto synchronously to rotate. As the transmission shaft 12 rotates, a pair of eccentric disks 13 fixed on its outer wall also rotate together. The special structure of the eccentric disk 13 enables it to push the sliding member 15 hinged thereto to make a reciprocating linear motion up and down on the inner wall of the shell 1 through the connecting rod 14 during the rotation process. A pair of shaking rollers 16 rotatably connected to the lower side of the sliding member 15 will shake with the movement of the sliding member 15. This shaking can make the dust, debris and other impurities on the surface of the copper foil separate from the copper foil under the action of vibration, thereby preliminarily realizing the cleaning of the surface of the copper foil. Subsequently, the copper foil continues to move forward to the bottom of the auxiliary cleaning assembly. The fixed plate 17 in the auxiliary cleaning assembly is fixed to the top of the shell 1, and a plurality of groups of cleaning cotton 19 are arranged on the connecting plate 18 at the bottom thereof, and the cleaning cotton 19 cleans the copper foil again.

[0024] When the tension of the copper foil changes, the force acting on the adjusting roller 22 will also change accordingly. If the tension of the copper foil is too large, the pressure on the adjusting roller 22 will increase, causing the torsion bar 20 to rotate under the action of the torsion spring, driving the torsion plate 21 and the adjusting roller 22 to move upward. On the contrary, if the tension of the copper foil is too small, the pressure on the adjusting roller 22 will decrease, and the torsion bar 20 will rotate in the opposite direction under the action of the torsion spring, thereby adjusting the tension of the copper foil. Through this automatic adjustment mechanism, the tension of the copper foil can always be kept uniform and stable during the slitting process, avoiding problems such as wrinkles and stretching deformation of the copper foil due to uneven tension, thereby ensuring the slitting accuracy.

[0025] After the tension adjustment, the copper foil is transported to the knife groove roller 6 and the knife shaft 7 for slitting. The second motor 9 installed on the inner wall of the shell 1 is started, and its main shaft drives the knife shaft 7 synchronously connected thereto to rotate at high speed. The knife shaft 7 and the knife groove roller 6 are synchronously connected to achieve synchronous rotation. The multiple slitting knives 8 arranged on the outer wall of the knife shaft 7 correspond to the knife grooves on the knife groove roller 6. During the rotation of the knife shaft 7 and the knife groove roller 6, the slitting knives 8 are embedded in the knife grooves of the knife groove roller 6. As the knife groove roller 6 rotates, the copper foil transported is cut.

[0026] Furthermore, a pair of clamping rollers 23 are rotatably connected to the inner wall of the housing 1, and the clamping rollers 23 are located between the shaking rollers 16 and the connecting plate 18, and the outer walls of the clamping rollers 23 abut against each other. After the copper foil passes through the shaking rollers 16 for preliminary cleaning, the copper foil is clamped by the clamping rollers 23, so as to prevent the copper foil on the front side from affecting the copper foil to be cut on the rear side during the shaking process, thereby causing the copper foil to shake as a whole and affecting its cutting accuracy.

[0027] The inner wall of the housing 1 is hinged with a protective cover 24, which covers the knife shaft 7 and the slitting knife 8, and the protective cover 24 is a hollow structure. Specifically, in order to ensure the safety of the operator, the inner wall of the housing 1 is hinged with a protective cover 24 with a hollow structure, which completely covers the knife shaft 7 and the slitting knife 8. This hollow design can effectively prevent the operator from accidentally contacting the high-speed running knife to prevent safety accidents, and does not hinder the operator from observing the working conditions inside the housing 1, so that problems can be discovered and handled in time.

[0028] Among the multiple groups of cleaning cottons 19, the cleaning cottons 19 near the shaking rollers 16 are arranged in sequence to form a trapezoid to the other side, and the middle of the cleaning cottons 19 are tilted to both sides to form a triangular structure. The trapezoidal arrangement allows the cleaning cottons 19 to clean the surface of the copper foil step by step and comprehensively, so that the cleaning cottons 19 can clean the dust in sequence and gradually block the dust. As the copper foil moves, the cleaning force gradually increases, ensuring that each part can be fully cleaned and preventing the sudden accumulation of dust from scratching the copper foil. The triangular structure allows the cleaning cotton 19 to guide the dust when it contacts the copper foil, so that the dust moves to both sides of the copper foil until it falls off, effectively improving the cleaning quality of the copper foil surface and ensuring that the slitting process is not disturbed by impurities.

[0029] The inner wall of the housing 1 is fixedly connected to a limit plate 25, and a symmetrically arranged slide groove 26 is provided on the top of the limit plate 25, and a pair of limit members 27 for limiting the copper foil are slidably connected to the inner wall of the slide groove 26. Specifically, the limit plate 25 fixedly connected to the inner wall of the housing 1 has a symmetrically arranged slide groove 26 on its top, and a pair of limit members 27 are slidably connected in the slide groove 26. The operator can adjust the position of the limit member 27 in the slide groove 26 according to the width of the copper foil, so as to limit the copper foil. During the slitting process, the limit member 27 can prevent the copper foil from shifting in the width direction, ensure the position accuracy of the copper foil during the slitting process, avoid affecting the slitting quality due to the shift of the copper foil, and further improve the safety of the equipment operation.

[0030] Working principle: This embodiment provides a precision copper foil slitting machine, which plays a key role in supporting and installing the loading roller 3 and the unloading roller 4 through the material rack 2 at both ends. The first motor 5 connected to the outer wall of the material rack 2 drives the loading roller 3 and the unloading roller 4 through synchronous rotation, so as to unwind and rewind the copper foil; When the copper foil enters the side of the shell 1 close to the feeding roller 3, the cleaning mechanism starts to work, and the third motor 11 installed on the outer wall of the shell 1 is started, and its main shaft drives the transmission shaft 12 connected thereto synchronously to rotate. With the rotation of the transmission shaft 12, a pair of eccentric disks 13 fixed on its outer wall also rotate together. The special structure of the eccentric disk 13 enables it to push the sliding member 15 hinged thereto to make a reciprocating linear motion up and down on the inner wall of the shell 1 through the connecting rod 14 during the rotation process. A pair of shaking rollers 16 rotatably connected to the lower side of the sliding member 15 will shake with the movement of the sliding member 15. This shaking can make the dust, debris and other impurities on the surface of the copper foil separate from the copper foil under the action of vibration, thereby preliminarily realizing the cleaning of the surface of the copper foil. Subsequently, the copper foil continues to move forward to the bottom of the auxiliary cleaning assembly. The fixing plate 17 in the auxiliary cleaning assembly is fixed to the top of the shell 1, and a plurality of groups of cleaning cotton 19 are arranged on the connecting plate 18 at the bottom thereof, and the cleaning cotton 19 cleans the copper foil again. When the tension of the copper foil changes, the force acting on the adjusting roller 22 will also change accordingly. If the tension of the copper foil is too large, the pressure on the adjusting roller 22 will increase, which will cause the torsion bar 20 to rotate under the action of the torsion spring, driving the torsion plate 21 and the adjusting roller 22 to move upward. On the contrary, if the tension of the copper foil is too small, the pressure on the adjusting roller 22 will decrease, and the torsion bar 20 will rotate in the opposite direction under the action of the torsion spring, thereby adjusting the tension of the copper foil. Through this automatic adjustment mechanism, the tension of the copper foil can always be kept uniform and stable during the slitting process, avoiding problems such as wrinkles and stretching deformation of the copper foil caused by uneven tension, thereby ensuring the slitting accuracy. After the tension adjustment, the copper foil is transported to the knife groove roller 6 and the knife shaft 7 for slitting. The second motor 9 installed on the inner wall of the shell 1 is started, and its main shaft drives the knife shaft 7 synchronously connected thereto to rotate at high speed. The knife shaft 7 and the knife groove roller 6 are synchronously connected to achieve synchronous rotation. The multiple slitting knives 8 arranged on the outer wall of the knife shaft 7 correspond to the knife grooves on the knife groove roller 6. During the rotation of the knife shaft 7 and the knife groove roller 6, the slitting knives 8 are embedded in the knife grooves of the knife groove roller 6. As the knife groove roller 6 rotates, the copper foil transported is cut.

[0031] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A precision copper foil slitting machine, comprising a housing (1), characterized in that: The two ends of the shell (1) are respectively fixedly connected to a material rack (2), and the outer walls of the material rack (2) on both sides are respectively provided with a loading roller (3) and a lowering roller (4), and the outer walls of the material rack (2) are respectively fixedly connected to a first motor (5), and the first motor (5) is respectively connected to the loading roller (3) and the lowering roller (4) for synchronous rotation, and a cleaning mechanism is provided on the side of the shell (1) close to the loading roller (3), and a tension adjustment structure is provided inside the shell (1), and the inner wall of the shell (1) is rotated. The outer wall of the outer shell (1) is rotatably connected to a knife groove roller (6); the inner wall of the outer shell (1) is rotatably connected to a knife shaft (7) which is synchronously connected to the knife groove roller (6); the outer wall of the knife shaft (7) is provided with a plurality of slitting knives (8) corresponding to the knife grooves on the knife groove roller (6); the inner wall of the outer shell (1) is fixedly connected to a second motor (9); the main shaft of the second motor (9) is synchronously rotatably connected to the knife shaft (7); and the inner wall of the outer shell (1) is provided with a plurality of guide rollers (10) on both sides of the knife groove roller (6).

2. A precision copper foil slitting machine according to claim 1, characterized in that: The cleaning mechanism comprises a third motor (11) fixedly connected to the outer wall of the housing (1); the inner wall of the housing (1) is rotatably connected to a transmission shaft (12); the transmission shaft (12) is synchronously rotatably connected to the main shaft of the third motor (11); the outer wall of the transmission shaft (12) is fixedly connected to a pair of eccentric disks (13); the outer wall of the eccentric disk (13) is rotatably connected to a connecting rod (14); the inner wall of the housing (1) is slidably connected to a sliding member (15); the other end of the connecting rod (14) is hinged to the bottom of the sliding member (15); the lower side of the sliding member (15) is rotatably connected to a pair of shaking rollers (16); and the top of the housing (1) is also provided with an auxiliary cleaning component for cooperating with the cleaning mechanism.

3. A precision copper foil slitting machine according to claim 2, characterized in that: The auxiliary cleaning component comprises a fixed plate (17) arranged on the top of the housing (1), the bottom of the fixed plate (17) being fixedly connected to a connecting plate (18), the bottom of the connecting plate (18) being respectively provided with a plurality of groups of cleaning cotton (19), the bottom of the cleaning cotton (19) being used to clean the surface of the copper foil.

4. The precision copper foil slitting machine according to claim 1, characterized in that: The tension adjustment mechanism comprises a torsion bar (20) hinged to the inner wall of the housing (1) via a torsion spring, a pair of torsion plates (21) being fixedly connected to the outer wall of the torsion bar (20), a pair of adjustment rollers (22) being rotatably connected between the torsion plates (21), and the adjustment rollers (22) are respectively located at the lower side of the guide rollers (10) and are arranged in a staggered manner.

5. The precision copper foil slitting machine according to claim 3, characterized in that: A pair of clamping rollers (23) are rotatably connected to the inner wall of the outer shell (1); the clamping rollers (23) are located between the shaking roller (16) and the connecting plate (18); and the outer walls of the clamping rollers (23) are in contact with each other.

6. The precision copper foil slitting machine according to claim 1, characterized in that: A protective cover (24) is hingedly connected to the inner wall of the outer shell (1), the protective cover (24) covers the knife shaft (7) and the slitting knife (8) inside, and the protective cover (24) is a hollow structure.

7. The precision copper foil slitting machine according to claim 3, characterized in that: Between the multiple groups of cleaning cottons (19), the cleaning cottons (19) near the shaking roller (16) are arranged in sequence toward the other side to form a trapezoid, and the middle of the cleaning cottons (19) are inclined toward both sides to form a triangular structure.

8. The precision copper foil slitting machine according to claim 1, characterized in that: The inner wall of the housing (1) is fixedly connected to a limit plate (25), the top of the limit plate (25) is provided with a symmetrically arranged slide groove (26), and the inner wall of the slide groove (26) is slidably connected to a pair of limit members (27) for limiting the copper foil.

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