Roll paper high-speed slitting mechanism

Abstract

The utility model discloses a roll paper high-speed slitting mechanism which comprises a machine frame, a transmission shaft, a rotation driving mechanism, slitting tools and an automatic polishing mechanism, the transmission shaft is connected in the machine frame in a rotating mode, the slitting tools are installed on the transmission shaft, and the rotation driving mechanism used for driving the transmission shaft and the slitting tools to rotate is installed on the machine frame. An automatic polishing mechanism used for polishing the slitting tool is installed on the machine frame, the slitting tool comprises a sliding sleeve, a cutting blade, upper clamping sleeves, lower clamping sleeves, bolts and nuts, the cutting blade is fixed to the outer ring of the sliding sleeve, the left side and the right side of the sliding sleeve are each fixedly provided with one upper clamping sleeve, and the lower side of each upper clamping sleeve is provided with one lower clamping sleeve; the upper clamping sleeve and the lower clamping sleeve are fixed through a bolt and a nut. The position of the slitting tool is convenient to adjust, and the slitting width is convenient to adjust according to requirements; and the slitting tool is convenient to polish, and the sharpness of the slitting tool is convenient to maintain, so that a good slitting effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting machines, in particular to a high-speed slitting mechanism for roll paper. Background Art

[0002] When producing roll paper, a high-speed slitting machine is needed to slit a large paper roll into multiple small paper rolls. A slitting machine is a mechanical device that slits wide paper, mica tape or film into multiple narrow materials. It is commonly used in papermaking machinery, wire and cable mica tape and printing and packaging machinery. The slitting machine is mainly composed of an unwinding mechanism, a traction mechanism, a slitting mechanism, a winding mechanism, a control system, a transmission system, a frame and a supporting structure. Among them, the slitting mechanism is the core component to complete the slitting. The existing slitting mechanisms are all installed with multiple slitting tools so that the paper roll can be cut into multiple parts at one time. However, the slitting tools of the existing slitting mechanisms are fixed, and the slitting width cannot be adjusted according to demand. In addition, the tools of the existing slitting mechanisms will wear out after being used for a period of time, resulting in poor cutting effect. Therefore, in view of the above situation, it is urgent to develop a high-speed slitting mechanism for roll paper that is convenient for adjusting the position of the slitting tools, convenient for adjusting the slitting width according to demand, convenient for grinding the slitting tools, and convenient for maintaining the sharpness of the slitting tools to ensure good slitting effect, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0003] The utility model aims to provide a high-speed roll paper slitting mechanism to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The high-speed slitting mechanism for roll paper comprises a frame, a transmission shaft, a rotary drive mechanism, a slitting tool and an automatic grinding mechanism, wherein the frame is rotatably connected with a transmission shaft, a plurality of slitting tools are installed on the transmission shaft, a rotary drive mechanism for driving the transmission shaft and the slitting tool to rotate is installed on the frame, an automatic grinding mechanism for grinding the slitting tool is installed on the frame, the slitting tool comprises: a sliding sleeve, a cutting blade, an upper clamping sleeve, a lower clamping sleeve, bolts and nuts, a cutting blade is fixed on the outer ring of the sliding sleeve, an upper clamping sleeve is fixed on the left and right sides of the sliding sleeve, a lower clamping sleeve is provided on the lower side of each of the upper clamping sleeves, the upper clamping sleeve and the lower clamping sleeve are fixed by bolts and nuts, the automatic grinding mechanism comprises: an electric telescopic rod, a lifting plate, a grinding block and a grinding groove, the electric telescopic rod is fixed on the frame, the output end of the electric telescopic rod is fixed to the lifting plate, a plurality of grinding blocks are fixed on the lower side of the lifting plate, and each of the grinding blocks is provided with a grinding groove for the cutting blade to pass through.

[0006] Preferably, scale lines are arranged on the transmission shaft.

[0007] Preferably: the rotary drive mechanism comprises: a drive motor, a first gear and a second gear, the drive motor is fixed on the frame, the output shaft of the drive motor is equipped with a first gear, one side of the first gear is equipped with a second gear meshing with the first gear, and the second gear is installed on the transmission shaft.

[0008] Preferably, the sliding sleeve is slidably mounted on the transmission shaft.

[0009] The beneficial effects of the utility model are as follows: when the high-speed slitting mechanism for roll paper is used, the first gear and the second gear are driven to rotate by the driving motor, the transmission shaft and the slitting tool are driven to rotate by the second gear, and the paper is slid by the slitting tool; when adjusting, the bolts are loosened, and then the sliding sleeve and the cutting blade are slid left and right, and then the position of the cutting blade is adjusted. After adjustment, the bolts are tightened to fix the sliding sleeve and the cutting blade, and then the distance between adjacent slitting tools is adjusted to control the slitting width of the paper; after a period of use, the lifting plate and the grinding block are driven downward by the electric telescopic rod, so that the cutting blade enters the grinding groove and sticks to the grinding block, and then the transmission shaft and the cutting blade are driven to rotate by the rotating driving mechanism, and the cutting blade is polished by the grinding block, so as to maintain the sharpness of the cutting blade to ensure the slitting effect. In summary, the utility model is convenient for adjusting the position of the slitting tool, and is convenient for adjusting the slitting width according to demand; it is convenient for polishing the slitting tool, and is convenient for maintaining the sharpness of the slitting tool to ensure a good slitting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0011] Figure 2 It is a schematic diagram of the use state of the utility model.

[0012] Figure 3 It is a schematic diagram of the grinding state of the utility model.

[0013] Figure 4 It is a partial structure diagram of the utility model Figure 1 .

[0014] Figure 5 It is a partial structure diagram of the utility model Figure 2 .

[0015] Figure 6 It is a partial structure diagram of the utility model Figure 3 .

[0016] Legend:

[0017] 1. Frame; 2. Transmission shaft; 201. Scale line; 3. Rotation drive mechanism; 301. Drive motor; 302. First gear; 303. Second gear; 4. Slitting tool; 401. Sliding sleeve; 402. Cutting blade; 403. Upper ferrule; 404. Lower ferrule; 405. Bolt; 406. Nut; 5. Automatic grinding mechanism; 501. Electric telescopic rod; 502. Lifting plate; 503. Grinding block; 504. Grinding groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Specific examples are given below.

[0020] See also Figure 1 to Figure 6 In the embodiment of the utility model, the high-speed slitting mechanism for roll paper includes a frame 1, a transmission shaft 2, a rotary drive mechanism 3, a slitting tool 4 and an automatic grinding mechanism 5. The frame 1 is rotatably connected with the transmission shaft 2, and a plurality of slitting tools 4 are installed on the transmission shaft 2. The frame 1 is equipped with a rotary drive mechanism 3 for driving the transmission shaft 2 and the slitting tool 4 to rotate. The frame 1 is equipped with an automatic grinding mechanism 5 for grinding the slitting tool 4. The slitting tool 4 includes: a sliding sleeve 401, a cutting blade 402, an upper clamping sleeve 403, a lower clamping sleeve 404, a bolt 405 and a nut 406. The sliding sleeve 401 is slidably installed on the transmission shaft 2, and the outer ring of the sliding sleeve 401 is fixed with a cutting blade. Cutting blade 402, an upper clamping sleeve 403 is fixed on the left and right sides of the sliding sleeve 401, and a lower clamping sleeve 404 is arranged on the lower side of each upper clamping sleeve 403, and the upper clamping sleeve 403 and the lower clamping sleeve 404 are fixed to each other by bolts 405 and nuts 406. When the bolts 405 and the nuts 406 are tightened, the upper clamping sleeve 403 and the lower clamping sleeve 404 are tightly clamped on the transmission shaft 2, and then the sliding sleeve 401 is fixed to the transmission shaft 2, so as to fix the cutting blade 402. When adjusting, loosen the bolt 405, and then slide the sliding sleeve 401 and the cutting blade 402 left and right to adjust the position of the cutting blade 402. After adjustment, tighten the bolt 405.

[0021] The transmission shaft 2 is provided with scale lines 201 , through which the distance between adjacent slitting knives 4 can be measured and controlled.

[0022] The rotary drive mechanism 3 includes: a drive motor 301, a first gear 302 and a second gear 303. The drive motor 301 is fixed on the frame 1. The first gear 302 is installed on the output shaft of the drive motor 301. A second gear 303 meshing with the first gear 302 is installed on one side of the first gear 302. The second gear 303 is installed on the transmission shaft 2. When in use, the drive motor 301 drives the first gear 302 and the second gear 303 to rotate, and the second gear 303 drives the transmission shaft 2 and the slitting tool 4 to rotate, and the slitting tool 4 is used to slit the paper.

[0023] The automatic grinding mechanism 5 includes: an electric telescopic rod 501, a lifting plate 502, a grinding block 503 and a grinding groove 504. The electric telescopic rod 501 is fixed on the frame 1, and the output end of the electric telescopic rod 501 is fixed to the lifting plate 502. A plurality of grinding blocks 503 are fixed to the lower side of the lifting plate 502, and each of the grinding blocks 503 is provided with a grinding groove 504 for the cutting blade 402 to pass through. When in use, the lifting plate 502 and the grinding block 503 are driven downward by the electric telescopic rod 501, so that the cutting blade 402 enters the grinding groove 504 and sticks to the grinding block 503, and then, the transmission shaft 2 and the cutting blade 402 are driven to rotate by the rotating drive mechanism 3, and the cutting blade 402 is ground by the grinding block 503, so as to maintain the sharpness of the cutting blade 402 to ensure the slitting effect.

[0024] Working principle: When the roll paper high-speed slitting mechanism is used, the driving motor 301 drives the first gear 302 and the second gear 303 to rotate, and the second gear 303 drives the transmission shaft 2 and the slitting tool 4 to rotate, and the slitting tool 4 is used to slit the paper; when adjusting, the bolt 405 is loosened, and then the sliding sleeve 401 and the cutting blade 402 are slid left and right to adjust the position of the cutting blade 402. After adjustment, the bolt 405 is tightened to fix the sliding sleeve 401 and the cutting blade 402 , and then adjust the distance between adjacent slitting knives 4 to control the slitting width of the paper; after using for a period of time, the electric telescopic rod 501 drives the lifting plate 502 and the grinding block 503 to move downward, so that the cutting blade 402 enters the grinding groove 504 and sticks to the grinding block 503, and then, the driving shaft 2 and the cutting blade 402 are driven to rotate by the rotating drive mechanism 3, and the cutting blade 402 is ground by the grinding block 503, so as to maintain the sharpness of the cutting blade 402 to ensure the slitting effect.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. High-speed web slitting mechanism, characterized in that: The invention comprises a frame (1), a transmission shaft (2), a rotary drive mechanism (3), a slitting tool (4) and an automatic grinding mechanism (5); the frame (1) is rotatably connected with the transmission shaft (2); a plurality of slitting tools (4) are mounted on the transmission shaft (2); the frame (1) is mounted with a rotary drive mechanism (3) for driving the transmission shaft (2) and the slitting tools (4) to rotate; the frame (1) is mounted with an automatic grinding mechanism (5) for grinding the slitting tools (4); the slitting tools (4) comprise a sliding sleeve (401), a cutting blade (402), an upper clamping sleeve (403), a lower clamping sleeve (404), a bolt (405) and a nut (406); the outer ring of the sliding sleeve (401) is fixed with the cutting blade (402); the sliding sleeve (401) is An upper clamping sleeve (403) is fixed on both left and right sides, and a lower clamping sleeve (404) is provided on the lower side of each upper clamping sleeve (403). The upper clamping sleeve (403) and the lower clamping sleeve (404) are fixed to each other by bolts (405) and nuts (406). The automatic grinding mechanism (5) comprises: an electric telescopic rod (501), a lifting plate (502), a grinding block (503) and a grinding groove (504). The electric telescopic rod (501) is fixed to the frame (1), and the output end of the electric telescopic rod (501) is fixed to the lifting plate (502). A plurality of grinding blocks (503) are fixed on the lower side of the lifting plate (502), and each of the grinding blocks (503) is provided with a grinding groove (504) for the cutting blade (402) to pass through.

2. The high-speed web slitting mechanism according to claim 1, characterized in that: The transmission shaft (2) is provided with scale lines (201).

3. The high-speed web slitting mechanism according to claim 1, characterized in that: The rotary drive mechanism (3) comprises: a drive motor (301), a first gear (302) and a second gear (303); the drive motor (301) is fixed on the frame (1); the first gear (302) is mounted on the output shaft of the drive motor (301); a second gear (303) meshing with the first gear (302) is mounted on one side of the first gear (302); and the second gear (303) is mounted on the transmission shaft (2).

4. The high-speed web slitting mechanism according to claim 1, characterized in that: The sliding sleeve (401) is slidably mounted on the transmission shaft (2).

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