Equal-distance dividing and cutting machine for roll paper

Abstract

The utility model discloses a roll paper equal-distance splitting machine, and belongs to the field of roll paper splitting machines, the roll paper equal-distance splitting machine comprises an unwinding mechanism and a splitting frame, a pair of inlet leveling rollers arranged in parallel is rotatably mounted on the side, close to the unwinding mechanism, of the splitting frame, and the side, close to the unwinding mechanism, of the splitting frame is rotatably provided with a pair of outlet leveling rollers arranged in parallel; a pair of outlet leveling rollers which are arranged in parallel is rotationally mounted on one side, far away from the unwinding mechanism, of the slitting frame, and a tiling plate is fixedly mounted on the slitting frame and corresponds to the position between the inlet leveling roller and the outlet leveling rollers. According to the equal-distance dividing and cutting machine for the roll paper, the distance between the dividing and cutting knives can be rapidly and accurately adjusted through fine adjustment of the two-way lead screw, when the distance needs to be adjusted, the two-way lead screw is rotated through the inner hexagonal adjusting bolt, accurate fine adjustment of the adjusting knife holders is achieved through the thread pitch difference of different sections of threads, meanwhile, the distance between the knife holders can be kept equal, and the cutting efficiency is improved. Therefore, the time for replacing the slitting assembly is saved, the efficiency is improved, and the input cost can also be saved.

Description

Technical Field

[0001] The present application relates to the technical field of roll paper slitting machines, and in particular to a roll paper equidistant slitting machine. Background Art

[0002] Web slitting machine is a kind of mechanical equipment widely used in papermaking, paper trade, printing and other industries. Its main function is to cut wide web paper materials into narrow paper of required size.

[0003] Chinese utility model patent publication number CN220392859U discloses a roll paper slitting machine, including a slitting machine and a feeding rack. The two cutters contact the outer side of the roll paper body to cut the roll paper body at equal intervals, preventing incomplete cutting when slitting the roll paper body and preventing damage to the roll paper body when the slit roll paper body is rewound, thereby improving the production efficiency of the roll paper.

[0004] However, the knife rings of the two cutters of this slitting machine are fixed on the rotating roller, so the spacing is fixed, resulting in only slitting paper with a uniform spacing. If you want to adjust the spacing, you need to replace the entire slitting roller assembly or prepare slitting machines with multiple spacings, which either affects production efficiency or increases investment costs.

[0005] Therefore, the present application provides a roll paper slitting machine with equal distances to solve the above problems. Utility Model Content

[0006] The present application provides a roll paper slitting machine with equal spacing, aiming to solve the problem in the background art that the existing equal spacing slitting machine is not convenient for adjusting the spacing between slitting blades.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solution: a roll paper equidistant slitting machine, comprising a unwinding mechanism and a slitting frame.

[0008] A pair of inlet leveling rollers arranged in parallel are rotatably installed on the side of the slitting frame close to the unwinding mechanism, and a pair of outlet leveling rollers arranged in parallel are rotatably installed on the side of the slitting frame away from the unwinding mechanism. A flattening plate is fixedly installed on the slitting frame between the inlet leveling roller and the outlet leveling roller, and a cutter head assembly with adjustable cutter head spacing is provided above the flattening plate.

[0009] The cutter head assembly includes a multi-section bidirectional screw rod that moves longitudinally above the flat plate, two electric telescopic rods symmetrically fixed on the cutting frame and whose movable ends are rotatably connected to the two ends of the multi-section bidirectional screw rod, an internal hexagonal adjustment bolt rotatably installed on the movable end of one of the electric telescopic rods and connected to one end of the multi-section bidirectional screw rod, an intermediate knife seat fixedly connected to the middle of the multi-section bidirectional screw rod, multiple groups of adjustment knife seats that move closer or farther away from each other on the multi-section bidirectional screw rod, and a limiting slide rod fixedly connected to the top ends of the two electric telescopic rods and slidably connected to the adjustment knife seats, wherein the multi-section bidirectional screw rod has multiple sections of equal-length threads symmetrically arranged with the intermediate knife seat as the center, the pitch of the first section of threads on both sides of the multi-section bidirectional screw rod is a standard pitch, and the pitch of the remaining threads extending to both sides of the multi-section bidirectional screw rod is respectively twice the standard pitch of the previous section. In this way, through the fine-tuning of the bidirectional lead screw, the spacing between the slitting knives can be adjusted quickly and accurately. When the spacing needs to be adjusted, the bidirectional lead screw is rotated through the hexagonal adjustment bolt, and the pitch difference of different sections of the thread is used to achieve precise fine-tuning of the adjustment knife holder. At the same time, the spacing between each knife holder can be kept equal, thereby saving time in replacing the slitting components, improving efficiency, and saving investment costs.

[0010] Preferably, the unwinding mechanism includes a fixed frame, a side panel fixed to the side of the fixed frame, an unwinding shaft rotatably mounted on the side panel for locking the roll paper, and an unwinding motor fixedly mounted on the side panel and with its output end connected to the unwinding shaft.

[0011] Preferably, a traction motor is fixedly connected to the slitting frame and the output end of the traction motor is connected to one of the outlet leveling rollers.

[0012] Preferably, a calibration component for aligning the middle line of the roll paper with the middle line of the middle knife seat is provided on the side of the unwinding shaft away from the slitting frame.

[0013] Preferably, the calibration assembly includes a first clamping arm and a second clamping arm that move closer to or away from each other, a bidirectional screw rod rotatably mounted on the side panel and screwed to the first clamping arm and the second clamping arm at both ends, a crank handle rotatably mounted on the fixing frame and connected to one end of the bidirectional screw rod away from the side panel, and an auxiliary stabilizing slide rod with both ends fixedly mounted on the side panel and the fixing frame and slidably connected to the first clamping arm and the second clamping arm.

[0014] Preferably, the second clamping arm is located on the side of the first clamping arm away from the side plate, the first clamping arm is sleeved on the outside of the end of the unwinding shaft close to the side plate, and the second clamping arm close to the end of the unwinding shaft is rotatably installed with a movable arm for hanging on the unwinding shaft.

[0015] This web paper equal-distance slitting machine can achieve fast and precise adjustment of the slitting blade spacing through fine-tuning of the bidirectional lead screw. When the spacing needs to be adjusted, the bidirectional lead screw is rotated through the hexagonal adjustment bolt, and the pitch difference of different sections of the thread is utilized to achieve precise fine-tuning of the adjustment knife holder. At the same time, the spacing of each knife holder can be kept equal, thereby saving time in replacing slitting components, improving efficiency, and saving investment costs.

[0016] The web paper equidistant slitting machine ensures the center line alignment of the web paper and the cutter head assembly through a calibration component, which saves calibration time, ensures slitting accuracy, is conducive to controlling paper margins, reduces paper waste, and improves the quality of finished products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a roll paper slitting machine Figure 1 ;

[0018] Figure 2 A schematic diagram of the structure of a roll paper slitting machine Figure 2 ;

[0019] Figure 3 for Figure 2 A schematic diagram of the structure enlarged in the middle;

[0020] Figure 4 The figure is a schematic diagram of the structure of a cutter head assembly in a roll paper equidistant slitting machine.

[0021] In the picture:

[0022] 1. Unwinding mechanism;

[0023] 11. Fixed frame; 12. Side panel; 13. Unwinding shaft; 14. Unwinding motor;

[0024] 15. Calibration assembly; 151. First clamping arm; 152. Second clamping arm; 1521. Movable arm; 153. Bidirectional screw rod; 154. Crank handle; 155. Auxiliary stabilizing slide bar;

[0025] 2. Cutting rack;

[0026] 21. Import leveling roller; 22. Export leveling roller; 221. Traction motor; 23. Tiling plate;

[0027] 3. Cutting head assembly;

[0028] 31. Multi-section bidirectional screw; 32. Electric telescopic rod; 33. Middle knife holder; 34. Adjustable knife holder;

[0029] 35. Hexagon socket adjustment bolt; 36. Limit slide bar. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0031] Example 1

[0032] This embodiment provides a roll paper slitting machine with equal spacing, such as Figure 1-Figure 4 As shown, the roll paper equidistant slitting machine includes an unwinding mechanism 1 and a slitting frame 2.

[0033] A pair of parallel inlet leveling rollers 21 are rotatably installed on the side of the slitting frame 2 close to the unwinding mechanism 1, and a pair of parallel outlet leveling rollers 22 are rotatably installed on the side of the slitting frame 2 away from the unwinding mechanism 1. A flattening plate 23 is fixedly installed between the corresponding inlet leveling rollers 21 and the outlet leveling rollers 22 on the slitting frame 2, and a cutter head assembly 3 with adjustable cutter head spacing is provided above the flattening plate 23.

[0034] The cutter head assembly 3 includes a multi-section bidirectional screw rod 31 that moves longitudinally above the flat plate 23, two electric telescopic rods 32 that are symmetrically fixed on the cutting frame 2 and whose movable ends are rotatably connected to the two ends of the multi-section bidirectional screw rod 31, an internal hexagonal adjustment bolt 35 that is rotatably installed on the movable end of one of the electric telescopic rods 32 and connected to one end of the multi-section bidirectional screw rod 31, an intermediate knife seat 33 that is fixedly connected to the middle of the multi-section bidirectional screw rod 31, multiple groups of adjustment knife seats 34 that move closer or farther away from each other on the multi-section bidirectional screw rod 31, and a limiting slide rod 36 that is fixedly connected to the top of the two electric telescopic rods 32 and slidably connected to the adjustment knife seats 34. The multi-section bidirectional screw rod 31 has multiple sections of equal-length threads symmetrically arranged with the intermediate knife seat 33 as the center, and the pitch of the first section of threads on both sides of the multi-section bidirectional screw rod 31 is a standard pitch, and the pitch of the remaining threads extending to both sides of the multi-section bidirectional screw rod 31 is respectively twice the standard pitch of the previous section.

[0035] When in use, the unwinding mechanism 1 is used to place and release the roll paper. On the slitting frame 2, a pair of parallel inlet leveling rollers 21 are installed on the side close to the unwinding mechanism 1 for preliminarily leveling the incoming roll paper, and a pair of parallel outlet leveling rollers 22 are installed on the side away from the unwinding mechanism for leveling the paper after slitting to ensure the flatness of the output paper. Between the inlet leveling roller 21 and the outlet leveling roller 22, a flattening plate 23 is fixedly installed as a reference surface for the slitting operation; when the knife seat spacing needs to be adjusted, the hexagonal adjusting bolt 35 is turned by a tool to drive the multi-section bidirectional screw 31 to rotate Due to the limitation of the limiting slide 36, when the multi-section bidirectional screw 31 rotates, the multiple groups of adjusting knife seats 34 will spread to both sides of the middle knife seat 33 respectively, and the moving distance will produce different lengths of movement according to the pitch of different threads. Because the pitch of each thread segment is one standard pitch more than the pitch of the previous thread segment, the distance between each knife seat after movement is also equal, thereby ensuring that the width of the paper is equal when cutting; during cutting, the multi-section bidirectional screw 31 is driven downward by the electric telescopic rod 32 until the blade on the knife seat cuts into the paper, and then the whole paper is divided into finished products of equal width as the paper moves.

[0036] Specifically, the unwinding mechanism 1 includes a fixed frame 11, a side plate 12 fixed to the side of the fixed frame 11, a unwinding shaft 13 rotatably mounted on the side plate 12 for locking the roll paper, and an unwinding motor 14 fixedly mounted on the side plate 12 and with an output end connected to the unwinding shaft 13; the fixed frame 11 serves as the supporting base of the entire unwinding mechanism 1 to ensure the stability of the unwinding process, the side plate 12 is fixed to the side of the fixed frame 11 and is used to install the unwinding shaft 13 and the unwinding motor 14, while providing structural strength, the unwinding shaft 13 is rotatably mounted on the side plate 12 to lock and support the roll paper to ensure that the paper can be smoothly unwound during the unwinding process, the unwinding motor 14 has its output end connected to the unwinding shaft 13, and controls the rotation speed of the unwinding shaft 13 by controlling the rotation of the motor, thereby adjusting the unwinding speed of the paper.

[0037] It should be noted that the traction motor 221 is fixedly connected to the slitting frame 2 and the output end is connected to one of the outlet leveling rollers 22; the traction motor 221 provides traction for the slit paper by driving the rotation of the leveling roller, ensuring that the paper can smoothly pass through the subsequent leveling and slitting process.

[0038] Example 2

[0039] The difference from Example 1 is that when rolls of paper of different widths rotate on the unwinding shaft 13, if there is deviation, it will affect the position of the lower knife of the cutter head assembly and affect the quality of the finished product. For this reason, a calibration component 15 for aligning the middle line of the roll paper with the middle line of the middle knife seat 33 is provided on the side of the unwinding shaft 13 away from the slitting frame 2. The calibration component 15 includes a first clamping arm 151 and a second clamping arm 152 that move closer to or away from each other, a bidirectional screw rod 153 that is rotatably mounted on the side plate 12 and has its two ends screwed to the first clamping arm 151 and the second clamping arm 152 respectively, A crank handle 154 is rotatably mounted on the fixed frame 11 and connected to the end of the bidirectional screw rod 153 away from the side panel 12, and an auxiliary stabilizing slide bar 155 is fixedly mounted on the side panel 12 and the fixed frame 11 at both ends and is slidably connected to the first clamping arm 151 and the second clamping arm 152. The second clamping arm 152 is located on the side of the first clamping arm 151 away from the side panel 12. The first clamping arm 151 is mounted on the outside of the end of the unwinding shaft 13 close to the side panel 12. The second clamping arm 152 is rotatably mounted on the end of the unwinding shaft 13 close to the unwinding shaft 13 with a movable arm 1521 for hanging on the unwinding shaft 13.

[0040] During slitting, the calibration component 15 is designed to align the center line of the paper roll with the center line of the middle knife seat 33 to improve the accuracy of slitting; the first clamping arm 151 and the second clamping arm 152 move closer to or farther away from each other to achieve centering by clamping the two ends of the paper roll. By operating the crank 154, the bidirectional screw rod 153 can be easily rotated to make centering adjustments. During this period, the auxiliary stabilizing slide bar 155 provides a guiding role for the movement of the clamping arm to ensure the stability of the clamping arm during movement; when the second clamping arm 152 approaches the first clamping arm 151, the movable arm 1521 will rotate accordingly and clamp the other end of the paper roll, thereby achieving overall clamping and centering of the paper roll. At the same time, the movable arm 1521 can be rotated to other positions to make way for the installation and disassembly of the paper roll, thereby facilitating the installation and disassembly of the paper roll.

[0041] The above is only a preferred specific implementation method of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and concept of the present application within the technical scope disclosed in the present application, and they should be covered by the scope of protection of the present application.

Claims

1. A roll paper slitting machine comprising an unwinding mechanism (1) and a slitting frame (2), characterized in that: A pair of inlet leveling rollers (21) arranged in parallel are rotatably mounted on the side of the slitting frame (2) close to the unwinding mechanism (1); a pair of outlet leveling rollers (22) arranged in parallel are rotatably mounted on the side of the slitting frame (2) away from the unwinding mechanism (1); a flattening plate (23) is fixedly mounted on the slitting frame (2) between the inlet leveling rollers (21) and the outlet leveling rollers (22); a cutter head assembly (3) with an adjustable cutter head spacing is provided above the flattening plate (23); The cutter head assembly (3) comprises a multi-section bidirectional screw (31) that moves longitudinally above the paving plate (23), two electric telescopic rods (32) symmetrically fixed on the cutting frame (2) and whose movable ends are respectively rotatably connected to the two ends of the multi-section bidirectional screw (31), an inner hexagonal adjusting bolt (35) rotatably mounted on the movable end of one of the electric telescopic rods (32) and connected to one end of the multi-section bidirectional screw (31), an intermediate knife seat (33) fixedly connected to the middle of the multi-section bidirectional screw (31), and a plurality of electric telescopic rods (32) that are rotatably mounted on the movable end of the electric telescopic rod (32) and connected to one end of the multi-section bidirectional screw (31). 1) a plurality of groups of adjusting knife seats (34) that move toward or away from each other and a limiting slide (36) fixedly connected to the top ends of the two electric telescopic rods (32) and slidably connected to the adjusting knife seats (34), wherein the multi-section bidirectional screw (31) has a plurality of sections of equal-length threads symmetrically arranged with the middle knife seat (33) as the center, the pitch of the first section of the thread on both sides of the multi-section bidirectional screw (31) is a standard pitch, and the pitch of the remaining threads extending to both sides of the multi-section bidirectional screw (31) is one times the standard pitch of the previous section.

2. The web slitting machine according to claim 1, characterized in that: The unwinding mechanism (1) comprises a fixed frame (11), a side plate (12) fixed to the side of the fixed frame (11), an unwinding shaft (13) rotatably mounted on the side plate (12) for locking the roll paper, and an unwinding motor (14) fixedly mounted on the side plate (12) and having an output end connected to the unwinding shaft (13).

3. The web slitting machine according to claim 2, characterized in that: A traction motor (221) is fixedly connected to the slitting frame (2) and has an output end connected to one of the outlet leveling rollers (22).

4. The web slitting machine according to claim 3, characterized in that: A calibration component (15) for aligning the middle line of the roll paper with the middle line of the middle knife seat (33) is provided on the side of the unwinding shaft (13) away from the slitting frame (2).

5. The web slitting machine according to claim 4, characterized in that: The calibration assembly (15) includes a first clamping arm (151) and a second clamping arm (152) that move toward or away from each other, a bidirectional screw rod (153) that is rotatably mounted on the side plate (12) and has its two ends screwed to the first clamping arm (151) and the second clamping arm (152), a crank (154) that is rotatably mounted on the fixing frame (11) and is connected to one end of the bidirectional screw rod (153) away from the side plate (12), and an auxiliary stabilizing slide rod (155) that has its two ends fixedly mounted on the side plate (12) and the fixing frame (11) and is slidably connected to the first clamping arm (151) and the second clamping arm (152).

6. The web slitting machine according to claim 5, characterized in that: The second clamping arm (152) is located on a side of the first clamping arm (151) away from the side plate (12); the first clamping arm (151) is mounted on the outside of one end of the unwinding shaft (13) close to the side plate (12); and the second clamping arm (152) is rotatably mounted on one end close to the unwinding shaft (13) with a movable arm (1521) for hanging on the unwinding shaft (13).

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