A roll slitting apparatus

Abstract

The application provides a roll cutting device, relates to the technical field of battery manufacturing equipment, and comprises a unwinder, a roller, and a cutting machine. The roller comprises a first roller mechanism. One side of the first roller mechanism is provided with a thickness detection mechanism. One side of the thickness detection mechanism is provided with a second roller mechanism. The first roller mechanism is used for pre-rolling the coated pole piece. The thickness detection mechanism is used for real-time monitoring of the thickness of the pre-rolled pole piece. The second roller mechanism is used for twice rolling of the pole piece and fine control of local rolling pressure according to the detection result of the thickness detection mechanism. The thickness of the pole piece rolled by the first roller mechanism is finely detected by the thickness detection mechanism. According to the detection result, the local rolling pressure of the twice rolling is accurately adjusted by the second roller mechanism, so that the uniformity of the thickness of the rolled pole piece is ensured by avoiding the deficiencies of the straightness of the roller, the roller jumping degree and the roller bending.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery manufacturing equipment, in particular to a roll pressing and slitting device. BACKGROUND

[0002] Roll pressing refers to the process of pressing the coated product to a specified thickness by two steel rollers under a certain gap and pressure.

[0003] The key point of roll pressing is the thickness. If the thickness is inconsistent, it means that the active material density is inconsistent, and the transmission and conduction rate of lithium ions and electrons in the pole piece will be different. When the current density is different, it is easy to cause the precipitation of dendritic lithium, which is not conducive to the performance of the battery. In addition, the contact resistance between the active material and the current collector is different when the thickness of the pole piece is different. The thicker the pole piece, the greater the internal resistance, and the more serious the battery polarization, which affects the capacity of the battery.

[0004] Factors affecting the consistency of pole piece thickness include roller straightness, roller jump, and roller bending. The change in roller straightness is mostly due to long-term use and wear of the roller. The roller jump value is related to the rigidity of the roller. The better the rigidity, the smaller the roller jump value. The roller bending is determined by the tension and the deformation resistance of the rolled piece. The greater the deformation tension of the rolled piece, the greater the roller bending. In simple terms, the roller bending caused by the paper sheet and the iron sheet is different.

[0005] According to the patent document with application number CN202310152569.9, a roll pressing and slitting integrated machine thickness correction device is provided, which includes a roll press, a discharge port arranged on one side of the roll press, and a detection unit. The detection unit includes a first housing, a feed port penetrating the first housing, a thickness gauge arranged on one side of the first housing, and a slitting unit. The slitting unit includes a second housing, a connecting column arranged on one side of the second housing, a slitting assembly arranged on the top end face of the second housing, a direction changing assembly arranged on one side of the slitting assembly, and a driving assembly arranged on the side face of the second housing. The connecting column connects the first housing.

[0006] The above patent cuts and recycles lithium ion battery pole pieces that do not meet the thickness, in order to eliminate the output of unqualified battery pole pieces, resulting in a large amount of waste and high production cost. SUMMARY

[0007] To solve the problem of inconsistent thickness of the pole piece after roll pressing as proposed in the background art, the present application provides a roll pressing and slitting device.

[0008] To achieve the above object, the present application provides the following technical scheme: a roll cutting equipment, comprising a unwinder, a roller, a cutting machine, the roller comprises a first roller mechanism, one side of the first roller mechanism is provided with a thickness detection mechanism, one side of the thickness detection mechanism is provided with a second roller mechanism; the first roller mechanism is used for pre-rolling the coated pole piece; the thickness detection mechanism is used for real-time monitoring the thickness of the pre-rolled pole piece; the second roller mechanism is used for twice rolling the pole piece, and the local rolling pressure is finely controlled according to the detection result of the thickness detection mechanism.

[0009] Further, the first roller mechanism comprises a plurality of first roller bodies, both ends of the plurality of first roller bodies are rotatably connected with pre-rolling control blocks, both ends of the plurality of pre-rolling control blocks are respectively provided with pre-rolling telescopic cylinders, both ends of the plurality of first roller bodies and one side of the plurality of pre-rolling control blocks are respectively provided with roller sliding blocks, the plurality of roller sliding blocks are respectively slidably connected with the middle parts of pre-roller guide rods, the upper ends of the plurality of pre-roller guide rods are arranged on the bottom surface of a first upper fixed plate, and the lower ends of the plurality of pre-roller guide rods are arranged on the top surface of a first lower fixed plate.

[0010] Further, the thickness detection mechanism comprises two oppositely arranged detection units, both ends of the plurality of detection units are respectively threadedly connected with the middle parts of detection control rods, the lower ends of the plurality of detection control rods are respectively rotatably connected with both ends of a second lower fixed plate, the upper ends of the plurality of detection control rods are respectively rotatably connected with both ends of a second upper fixed plate, the upper ends of the plurality of detection control rods are respectively rotatably connected with detection control gears, the plurality of detection control gears are respectively coaxially connected with the output ends of a plurality of driving motors, the plurality of driving motors are arranged on the top surface of the second upper fixed plate, and the second lower fixed plate and the second upper fixed plate are connected and fixed through detection fixed columns.

[0011] Further, the detection unit comprises a plurality of pressure sensors, the execution ends of the plurality of pressure sensors are respectively provided with probes, the plurality of pressure sensors are arranged on the bottom surface of a detection base, both ends of the detection base are respectively provided with internal thread holes, and the middle parts of the plurality of detection control rods are respectively threadedly connected with the internal thread holes.

[0012] Further, the middle part of the detection control rod is provided with a detection limiting ring, the middle part of the detection control rod and both ends of the detection limiting ring are symmetrically provided with external threads, one end of the plurality of detection units is respectively threadedly connected with the external threads, the upper end of the detection control rod is coaxially connected with a driven gear, and the driven gear is rotatably connected with the detection control gear.

[0013] Further, the second roller mechanism comprises two oppositely arranged roller units, two ends of the two roller units are respectively slidably connected to the middle part of the secondary roller guide rods, the upper ends of the plurality of secondary roller guide rods are arranged on the bottom surface of the third upper fixed plate, the lower ends of the plurality of secondary roller guide rods are arranged on the top surface of the third lower fixed plate, and the fixed ends of the plurality of roller units are respectively arranged on the bottom surface of the third upper fixed plate and the top surface of the third lower fixed plate.

[0014] Further, the roller unit comprises a hollow roller, the outer side of the hollow roller is rollingly connected to a plurality of limiting rollers, the inner side of the hollow roller is rollingly connected to a plurality of downward pressing units, the plurality of downward pressing units are arranged in the middle part of the roller base, the plurality of limiting rollers are rotatably connected to the two sides of the roller base, the two ends of the roller base are respectively provided with a plurality of secondary roller stretching cylinders, and the plurality of secondary roller stretching cylinders are arranged on the bottom surface of the third upper fixed plate and the top surface of the third lower fixed plate.

[0015] Further, the limiting roller comprises a plurality of limiting short rollers, the plurality of limiting short rollers are rollingly connected to the outer side of the hollow roller, a short roller shaft is arranged between the plurality of limiting short rollers, the plurality of short roller shafts are respectively rotatably connected to the middle part of one side of the roller base, one end of the plurality of limiting short rollers at the two ends is respectively provided with a roller limiting ring, one end of the plurality of roller limiting rings is respectively provided with a long roller shaft, and the plurality of long roller shafts are respectively arranged at the two ends of one side of the roller base.

[0016] Further, the downward pressing unit comprises a downward pressing wheel, the downward pressing wheel is rollingly connected to the inner side of the hollow roller, the downward pressing wheel is rotatably connected to the lower part of a downward pressing block, the top surface of the downward pressing block is provided with a plurality of downward pressing guide rods, the plurality of downward pressing guide rods are slidably connected to the middle part of the roller base, the middle part of the top surface of the downward pressing block is provided with a downward pressing stretching cylinder, and the downward pressing stretching cylinder is arranged in the middle part of the roller base.

[0017] Further, the roller base comprises a roller frame, the two ends of the roller frame are respectively slidably connected to the middle part of the plurality of secondary roller guide rods, the middle part of the roller frame is provided with a downward pressing plate, the middle part of the downward pressing plate is provided with the plurality of downward pressing units, the two sides and the two ends of the roller frame are respectively provided with long shaft arms, one end of the plurality of long shaft arms is respectively rotatably connected to the two ends of the limiting roller, the two middle parts of the two sides of the roller frame are provided with a plurality of short shaft arms, and one end of the plurality of short shaft arms is rotatably connected to the middle part of the limiting roller.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] The thickness detection mechanism detects the thickness of the pole piece rolled by the first roller mechanism, and the second roller mechanism adjusts the local rolling degree of the second rolling according to the detection result, so as to avoid the insufficient conditions of the roller straightness, the roller jump and the roller bending, realize the accurate control of the local thickness of the rolled pole piece, and ensure the uniform thickness of the rolled pole piece. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the schematic diagram of the appearance structure of the present application;

[0021] Figure 2 is the schematic diagram of the structure of the first roller mechanism of the present application;

[0022] Figure 3 is the schematic diagram of the structure of the first roller mechanism of the present application;

[0023] Figure 4 is the schematic diagram of the structure of the thickness detection mechanism of the present application;

[0024] Figure 5 is the schematic diagram of the structure of the thickness detection mechanism of the present application;

[0025] Figure 6 is the schematic diagram of the structure of the detection unit of the present application;

[0026] Figure 7 is the schematic diagram of the structure of the second roller mechanism of the present application;

[0027] Figure 8 is the schematic diagram of the structure of the second roller mechanism of the present application;

[0028] Figure 9 is the schematic diagram of the structure of the rolling unit of the present application;

[0029] Figure 10 is the schematic diagram of the structure of the rolling unit of the present application;

[0030] Figure 11 is the schematic diagram of the structure of the limiting roller of the present application;

[0031] Figure 12 is the schematic diagram of the structure of the lower pressing unit of the present application;

[0032] Figure 13 is the schematic diagram of the structure of the rolling base of the present application.

[0033] In the figure: 1. First rolling mechanism; 11. First rolling body; 12. Pre-rolling control block; 13. Pre-rolling telescopic cylinder; 14. Roll slider; 15. Pre-rolling guide rod; 16. First upper fixed plate; 17. First lower fixed plate; 2. Thickness detection mechanism; 21. Detection unit; 211. Pressure sensor; 212. Probe; 213. Detection base; 214. Internal threaded hole; 22. Detection control rod; 221. Detection limit ring; 222. External thread; 223. Driven gear; 23. Second lower fixed plate; 24. Second upper fixed plate; 25. Detection control gear; 26. Drive motor; 27. Detection fixed plate Fixed column; 3. Second rolling mechanism; 31. Rolling unit; 311. Hollow rolling roller; 312. Limiting roller; 3121. Limiting short roller; 3122. Short roller shaft; 3123. Rolling limiting ring; 3124. Long roller shaft; 313. Pressing unit; 3131. Pressing wheel; 3132. Pressing block; 3133. Pressing guide rod; 3134. Pressing telescopic cylinder; 314. Rolling base; 3141. Rolling frame; 3142. Pressing plate; 3143. Long axis arm; 3144. Short axis arm; 315. Secondary rolling telescopic cylinder; 32. Secondary rolling guide rod; 33. Third upper fixed plate; 34. Third lower fixed plate. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be understood as limiting the present invention.

[0035] The following describes an embodiment of the present invention based on its overall structure.

[0036] For details, please refer to the examples Figure 1 A rolling and slitting device includes an unwinder, a rolling machine, and a slitting machine. The rolling machine includes a first rolling mechanism 1, a thickness detection mechanism 2 is provided on one side of the first rolling mechanism 1, and a second rolling mechanism 3 is provided on one side of the thickness detection mechanism 2; the first rolling mechanism 1 is used to pre-roll the coated electrode; the thickness detection mechanism 2 is used to monitor the thickness of the electrode after pre-rolling in real time; the second rolling mechanism 3 is used to perform secondary rolling on the electrode, and at the same time, finely control the local rolling pressure according to the detection result of the thickness detection mechanism 2.

[0037] For details, please refer to the examples Figures 2-3The first roller mechanism 1 comprises a plurality of first roller bodies 11, both ends of the plurality of first roller bodies 11 are rotatably connected with pre-rolling control blocks 12, both ends of the plurality of pre-rolling control blocks 12 are respectively provided with pre-rolling telescopic cylinders 13, both ends of the plurality of first roller bodies 11 and one side of the plurality of pre-rolling control blocks 12 are respectively provided with roller sliding blocks 14, the plurality of roller sliding blocks 14 are respectively slidably connected with the middle parts of pre-roller guide rods 15, the upper ends of the plurality of pre-roller guide rods 15 are arranged on the bottom surface of a first upper fixed plate 16, and the lower ends of the plurality of pre-roller guide rods 15 are arranged on the top surface of a first lower fixed plate 17.

[0038] Embodiment, please refer to Figures 4-6 The thickness detection mechanism 2 comprises two oppositely arranged detection units 21, both ends of the plurality of detection units 21 are respectively threadedly connected with the middle parts of detection control rods 22, the lower ends of the plurality of detection control rods 22 are respectively rotatably connected with both ends of a second lower fixed plate 23, the upper ends of the plurality of detection control rods 22 are respectively rotatably connected with both ends of a second upper fixed plate 24, the upper ends of the plurality of detection control rods 22 are respectively engagedly connected with detection control gears 25, the plurality of detection control gears 25 are respectively coaxially connected with the output ends of a plurality of drive motors 26, the plurality of drive motors 26 are all arranged on the top surface of the second upper fixed plate 24, and the second lower fixed plate 23 and the second upper fixed plate 24 are fixedly connected through detection fixed columns 27; the detection unit 21 comprises a plurality of pressure sensors 211, the execution ends of the plurality of pressure sensors 211 are respectively provided with probes 212, the plurality of pressure sensors 211 are all arranged on the bottom surface of a detection base 213, both ends of the detection base 213 are respectively provided with internal thread holes 214, and the middle parts of the plurality of detection control rods 22 are respectively threadedly connected with the plurality of internal thread holes 214; the middle part of the detection control rod 22 is provided with a detection limiting ring 221, both ends of the detection limiting ring 221 are symmetrically provided with external threads 222, one end of the plurality of detection units 21 is respectively threadedly connected with the plurality of external threads 222, the upper end of the detection control rod 22 is coaxially connected with a driven gear 223, and the driven gear 223 is engagedly connected with the detection control gear 25; through the synchronous driving of the two drive motors 26 to rotate the driven gear 223, the detection control rod 22 is driven to rotate, the detection base 213 is driven to move along the detection control rod 22 through the thread cooperation of the plurality of external threads 222 and the plurality of internal thread holes 214, so as to control the adaptive thickness of detection, and the plurality of probes 212 sweep across the surface of the pole piece, so that the corresponding pressure sensor 211 can sense the local uneven part, thereby generating data fluctuation.

[0039] Embodiments, please refer to Figures 7-13The second roller mechanism 3 comprises two oppositely arranged roller pressing units 31, the two ends of the two roller pressing units 31 are respectively slidably connected to the middle part of the secondary roller pressing guide rod 32, the upper end of the plurality of secondary roller pressing guide rods 32 is arranged on the bottom surface of the third upper fixed plate 33, the lower end of the plurality of secondary roller pressing guide rods 32 is arranged on the top surface of the third lower fixed plate 34, and the fixed end of the plurality of roller pressing units 31 is arranged on the bottom surface of the third upper fixed plate 33 and the top surface of the third lower fixed plate 34; the roller pressing unit 31 comprises a hollow roller 311, the outer side of the hollow roller 311 is rollingly connected to a plurality of limiting rollers 312, the inner side of the hollow roller 311 is rollingly connected to a plurality of downward pressing units 313, the plurality of downward pressing units 313 are arranged in the middle part of a roller pressing base 314, the plurality of limiting rollers 312 are rotatably connected to the two sides of the roller pressing base 314, the two ends of the roller pressing base 314 are respectively provided with a plurality of secondary roller pressing telescopic cylinders 315, and the plurality of secondary roller pressing telescopic cylinders 315 are arranged on the bottom surface of the third upper fixed plate 33 and the top surface of the third lower fixed plate 34; the limiting roller 312 comprises a plurality of limiting short rollers 3121, the plurality of limiting short rollers 3121 are rollingly connected to the outer side of the hollow roller 311, a short roller shaft 3122 is arranged between the plurality of limiting short rollers 3121, the plurality of short roller shafts 3122 are respectively rotatably connected to the middle part of one side of the roller pressing base 314, one end of the plurality of limiting short rollers 3121 at the two ends is respectively provided with a roller limiting ring 3123, one end of the plurality of roller limiting rings 3123 is respectively provided with a long roller shaft 3124, and the plurality of long roller shafts 3124 are respectively arranged at the two ends of one side of the roller pressing base 314; the downward pressing unit 313 comprises a downward pressing wheel 3131, the downward pressing wheel 3131 is rollingly connected to the inner side of the hollow roller 311, the downward pressing wheel 3131 is rotatably connected to the lower part of a downward pressing block 3132, the top surface of the downward pressing block 3132 is provided with a plurality of downward pressing guide rods 3133, the plurality of downward pressing guide rods 3133 are slidably connected to the middle part of the roller pressing base 314, the middle part of the top surface of the downward pressing block 3132 is provided with a downward pressing telescopic cylinder 3134, and the downward pressing telescopic cylinder 3134 is arranged in the middle part of the roller pressing base 314; the roller pressing base 314 comprises a roller pressing frame 3141, the two ends of the roller pressing frame 3141 are respectively slidably connected to the middle part of the plurality of secondary roller pressing guide rods 32, the middle part of the roller pressing frame 3141 is provided with a downward pressing plate 3142, the middle part of the downward pressing plate 3142 is provided with the plurality of downward pressing units 313, the two sides of the roller pressing frame 3141 are respectively provided with long shaft arms 3143, one end of the plurality of long shaft arms 3143 is rotatably connected to the two ends of the limiting roller 312, the middle part of the two sides of the roller pressing frame 3141 is provided with a plurality of short shaft arms 3144, and one end of the plurality of short shaft arms 3144 is rotatably connected to the middle part of the limiting roller 312.

[0040] The operation principle is as follows: the coated pole piece is firstly sent into the rolling machine through the unwinding machine, pre-rolled by the first roller mechanism 1, and then the pre-rolled pole piece is sent to the thickness detection mechanism 2, and the multiple probes 212 sweep the surface of the pole piece, and the corresponding pressure sensor 211 can sense the uneven part of the pole piece, so as to generate data fluctuation and monitor the consistency of the pole piece thickness in real time; the pole piece is secondly rolled by the two roller units 31 in the second roller mechanism 3, so that the pole piece reaches the required thickness, and the multiple pressure telescopic cylinders 3134 are controlled according to the obtained pole piece thickness data to apply additional pressure to the area with non-standard thickness for emphatic rolling, so as to avoid the insufficient conditions of the roller straightness, roller jump and roller bending, realize the accurate control of the local thickness of the pole piece after rolling, and ensure the consistency of the pole piece thickness after rolling.

[0041] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the application, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A roller pressing and slitting device, comprising an unwinder, a roller press, and a slitting machine, characterized in that: The roller press comprises a first roller mechanism (1), a thickness detection mechanism (2) is provided on one side of the first roller mechanism (1), and a second roller mechanism (3) is provided on one side of the thickness detection mechanism (2); the first roller mechanism (1) is used for pre-rolling the electrode sheet after coating; the thickness detection mechanism (2) is used for real-time monitoring of the thickness of the electrode sheet after pre-rolling; the second roller mechanism (3) is used for secondary rolling of the electrode sheet, and at the same time, finely controlling the local rolling pressure according to the detection result of the thickness detection mechanism (2); The second rolling mechanism (3) comprises two rolling units (31) arranged opposite to each other, the two ends of the two rolling units (31) are respectively slidably connected to the middle of the secondary rolling guide rod (32), the upper ends of the plurality of secondary rolling guide rods (32) are all arranged on the bottom surface of the third upper fixed plate (33), the lower ends of the plurality of secondary rolling guide rods (32) are all arranged on the top surface of the third lower fixed plate (34), and the fixed ends of the plurality of rolling units (31) are respectively arranged on the bottom surface of the third upper fixed plate (33) and the top surface of the third lower fixed plate (34); The rolling unit (31) includes a hollow roller (311), the outer side of the hollow roller (311) is rollingly connected to a plurality of limiting rollers (312), the inner side of the hollow roller (311) is rollingly connected to a plurality of pressing units (313), the plurality of pressing units (313) are all arranged in the middle of a rolling base (314), the plurality of limiting rollers (312) are rotatably connected to both sides of the rolling base (314), and a plurality of secondary rolling telescopic cylinders (315) are respectively provided at both ends of the rolling base (314), and the plurality of secondary rolling telescopic cylinders (315) are all arranged on the bottom surface of the third upper fixed plate (33) and the top surface of the third lower fixed plate (34).

2. The roller slitting device according to claim 1, characterized in that: The first rolling mechanism (1) comprises a plurality of first rolling bodies (11), both ends of the plurality of first rolling bodies (11) are rotatably connected to a pre-rolling control block (12), both ends of the plurality of pre-rolling control blocks (12) are respectively provided with a pre-rolling telescopic cylinder (13), both ends of the plurality of first rolling bodies (11) and one side of the plurality of pre-rolling control blocks (12) are respectively provided with a rolling slider (14), the plurality of rolling sliders (14) are respectively slidably connected to the middle of a pre-rolling guide rod (15), the upper ends of the plurality of pre-rolling guide rods (15) are respectively provided on the bottom surface of a first upper fixed plate (16), and the lower ends of the plurality of pre-rolling guide rods (15) are respectively provided on the top surface of a first lower fixed plate (17).

3. The roller slitting equipment according to claim 1, characterized in that: The thickness detection mechanism (2) includes two detection units (21) arranged opposite to each other, the two ends of the plurality of detection units (21) are respectively threadedly connected to the middle of the detection control rod (22), the lower ends of the plurality of detection control rods (22) are respectively rotatably connected to the two ends of the second lower fixed plate (23), the upper ends of the plurality of detection control rods (22) are respectively rotatably connected to the two ends of the second upper fixed plate (24), the upper ends of the plurality of detection control rods (22) are respectively engaged with the detection control gear (25), the plurality of detection control gears (25) are respectively coaxially connected to the output ends of the plurality of drive motors (26), the plurality of drive motors (26) are all arranged on the top surface of the second upper fixed plate (24), and the second lower fixed plate (23) and the second upper fixed plate (24) are connected and fixed by a detection fixing column (27).

4. The roller slitting device according to claim 3, characterized in that: The detection unit (21) includes a plurality of pressure sensors (211), each of which is provided with a probe (212) at its execution end. The plurality of pressure sensors (211) are all provided on the bottom surface of a detection base (213), and each of the two ends of the detection base (213) is provided with an internal threaded hole (214). The plurality of internal threaded holes (214) are respectively threadedly connected to the middle portion of the plurality of detection control rods (22).

5. The roller slitting equipment according to claim 3, characterized in that: A detection limit ring (221) is provided in the middle of the detection control rod (22), and external threads (222) are symmetrically provided in the middle of the detection control rod (22) and at both ends of the detection limit ring (221), and a plurality of the external threads (222) are respectively threadedly connected to one end of a plurality of the detection units (21), and the upper end of the detection control rod (22) is coaxially connected to a driven gear (223), and the driven gear (223) is engaged with the detection control gear (25).

6. The roller slitting equipment according to claim 1, characterized in that: The limiting roller (312) includes a plurality of limiting short rollers (3121), and the plurality of limiting short rollers (3121) are all connected to the outer side of the hollow rolling roller (311) in a rolling manner. Short roller shafts (3122) are provided between the plurality of limiting short rollers (3121), and the plurality of short roller shafts (3122) are respectively connected to the middle of one side of the rolling base (314) in a rotating manner. One end of the plurality of limiting short rollers (3121) at the two ends is respectively provided with a rolling roller limiting ring (3123), and one end of the plurality of rolling roller limiting rings (3123) is respectively provided with a long roller shaft (3124), and the plurality of long roller shafts (3124) are respectively provided at both ends of one side of the rolling base (314).

7. The roller slitting equipment according to claim 1, characterized in that: The pressing unit (313) includes a pressing wheel (3131), the pressing wheel (3131) is rollingly connected to the inner side of the hollow roller (311), the pressing wheel (3131) is rotatably connected to the lower part of the pressing block (3132), a plurality of pressing guide rods (3133) are provided on the top surface of the pressing block (3132), and the plurality of pressing guide rods (3133) are all slidingly connected to the middle part of the rolling base (314), a pressing telescopic cylinder (3134) is provided on the middle part of the top surface of the pressing block (3132), and the pressing telescopic cylinder (3134) is provided in the middle part of the rolling base (314).

8. The roller slitting equipment according to claim 1, characterized in that: The rolling base (314) includes a rolling frame (3141), the two ends of the rolling frame (3141) are respectively slidably connected to the middle of the multiple secondary rolling guide rods (32), a lower pressure plate (3142) is provided in the middle of the lower pressure plate (3142), and a plurality of lower pressure units (313) are provided in the middle of the lower pressure plate (3142). The two ends of both sides of the rolling frame (3141) are respectively provided with long axis arms (3143), one end of the multiple long axis arms (3143) is respectively rotatably connected to the two ends of the limiting roller (312), and the middle of both sides of the rolling frame (3141) is provided with a plurality of short axis arms (3144), one end of the multiple short axis arms (3144) is rotatably connected to the middle of the limiting roller (312).

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