A paper tape slitting and conveying device

Abstract

This invention provides a paper tape slitting and conveying device, comprising an unwinding module, a paper tape slitting module, and a paper tape guiding and separating module. The unwinding module is used to mount and place the paper roll. The paper tape slitting module is located behind the unwinding module and is used to slit the paper tape into multiple smaller paper tapes. The paper tape guiding and separating module is located behind the paper tape slitting module and is used to guide and separate the slitted smaller paper tapes. Compared with the prior art, the paper tape slitting and conveying device provided by this invention can slit the paper tape and stably convey the smaller paper tapes to the rear.

Description

Technical Field

[0001] This invention relates to the field of paper tube production equipment technology, and in particular to a paper tape slitting and conveying device. Background Technology

[0002] Paper products are gradually replacing plastic products due to their easy recyclability and low pollution. Paper tubes are tubular objects made from paper strips, and in recent years, the demand for thin paper tubes has increased dramatically in various industries. For example, paper tubes can be used in tobacco products as wrappers or other functional structures.

[0003] Currently, paper tubes are typically produced automatically using paper tube forming machines. However, most existing paper tube forming machines are single-channel production machines (producing only one paper tube at a time), which has limited efficiency. Multi-track synchronous paper tube forming (producing multiple paper tubes simultaneously) can significantly increase the upper limit of paper tube production and meet the growing consumer demand.

[0004] The multi-track paper tube synchronous forming method requires the simultaneous supply of multiple paper strips. While feeding multiple paper rolls by unwinding them simultaneously can meet the feeding needs of multiple paper strips, the stability of multiple paper strips is poor during long-distance transport, and the synchronous forming effect is not ideal. Summary of the Invention

[0005] Existing paper tube forming machines are mostly single-channel paper tube production machines, which cannot meet the needs of simultaneous production of multiple paper tubes. When producing multiple paper tubes, multiple paper strips need to be supplied. If multiple paper rolls are fed simultaneously, the stability of the paper strips is poor, affecting the synchronous forming effect of the paper tubes. This invention provides a paper strip slitting and conveying device, which includes a paper strip slitting module and a paper strip guiding and separating module. The paper strip slitting module can slit the paper strip, dividing it into multiple smaller paper strips. The paper strip guiding and separating module can guide and separate the slit smaller paper strips, ensuring stable conveying of the smaller paper strips to the rear and guaranteeing the synchronous forming effect of subsequent smaller paper strips.

[0006] A paper tape slitting and conveying device includes an unwinding module, a paper tape slitting module, and a paper tape guiding and separating module;

[0007] The unwinding module is used to install and place paper rolls;

[0008] The paper tape slitting module is located behind the unwinding module and is used to slit the paper tape into multiple smaller paper tapes.

[0009] The paper tape guiding and separating module is located behind the paper tape cutting module and is used to guide and separate the cut paper tapes.

[0010] Preferably, it also includes a conveying module, which is located behind the paper tape cutting module and is used to drive the small paper tape to move;

[0011] The conveying module includes a conveying drive mechanism, a drive wheel, rollers, and a roller drive mechanism;

[0012] The conveying drive mechanism is connected to the drive wheel to drive the drive wheel to rotate;

[0013] The surface of the roller is opposite to the surface of the drive wheel;

[0014] The small paper strip passes between the surface of the drive wheel and the surface of the roller;

[0015] The roller drive mechanism is connected to the roller and is used to drive the roller to move relative to the drive wheel in order to clamp or release the small paper tape.

[0016] Preferably, the conveying drive mechanism includes a conveying motor, a conveying reducer, and a conveying shaft;

[0017] The output shaft of the conveyor motor is connected to the input end of the conveyor reducer;

[0018] The output end of the conveyor reducer is connected to the conveyor shaft;

[0019] The drive wheel is mounted on the conveyor shaft;

[0020] The conveying module also includes a conveying reducer mounting base and a first bearing mounting sleeve;

[0021] The conveyor reducer mounting base is connected to the conveyor reducer;

[0022] The conveying shaft passes through the first bearing mounting sleeve, and the first bearing mounting sleeve is provided with first bearings at both ends that are connected to the conveying shaft;

[0023] The first bearing mounting sleeve extends at least partially into the conveyor reducer mounting base and abuts against the conveyor reducer mounting base.

[0024] Preferably, the paper tape slitting module includes a slitting drive mechanism, a slitting shaft, and a blade;

[0025] The slitting drive mechanism is connected to the slitting shaft to drive the slitting shaft to rotate;

[0026] The blade is mounted on the cutting shaft.

[0027] Preferably, multiple blades are provided along the axial direction of the cutting axis;

[0028] The paper tape slitting module also includes a blade adjustment mechanism, which is connected to the blade and is used to adjust the distance between adjacent blades.

[0029] Preferably, the paper tape slitting module further includes a protective cover and a blade baffle;

[0030] The protective cover covers the blade, and the protective cover has a clearance groove, through which the edge of the blade extends out of the protective cover;

[0031] A portion of the blade baffle extends out of the protective cover directly opposite the blade, and the blade baffle and the blade are spaced apart from each other.

[0032] Preferably, the paper tape slitting module further includes a motor mounting base and a second bearing mounting sleeve;

[0033] The motor mounting base is connected to the cutting drive mechanism;

[0034] The cutting shaft passes through the second bearing mounting sleeve, and the second bearing mounting sleeve is provided with second bearings at both ends that are connected to the cutting shaft;

[0035] The second bearing mounting sleeve extends at least partially into the motor mounting base and abuts against the motor mounting base.

[0036] Preferably, the paper tape guiding and separating module includes a negative pressure suction shaft and a separator ring;

[0037] The separator ring is disposed on the negative pressure suction hole shaft, and multiple separator rings are disposed along the axial direction of the negative pressure suction hole shaft. Two separator rings are spaced apart to form a paper tape channel for accommodating the small paper tape.

[0038] Preferably, a paper guide roller and a paper adjustment platform are also provided between the unwinding module and the paper tape slitting module.

[0039] Preferably, the unwinding module includes an unwinding unit and an installation unit;

[0040] The paper roll is mounted on the unwinding shaft of the unwinding unit via the mounting unit, and the position of the paper roll can be adjusted along the axial direction of the unwinding shaft.

[0041] Compared with existing technologies, the paper tape slitting and conveying device provided by this invention includes an unwinding module, a paper tape slitting module, and a paper tape guiding and separating module. The unwinding module is used to install and place the paper roll. The paper tape slitting module is located behind the unwinding module and is used to slit the paper tape into multiple smaller paper tapes. The paper tape guiding and separating module is located behind the paper tape slitting module and is used to guide and separate the slitted smaller paper tapes. The paper tape slitting and conveying device includes the paper tape slitting module, which can slit the paper tape provided by the unwinding module. It also includes the paper tape guiding and separating module, which can guide the slitted smaller paper tapes and adjust the distance between them, thereby avoiding problems such as entanglement during conveying. The paper tape slitting and conveying device can stably convey the smaller paper tapes to the rear, thus ensuring the synchronous forming effect of subsequent smaller paper tapes. Attached Figure Description

[0042] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0043] Figure 1 A three-dimensional structural schematic diagram of a paper tape slitting and conveying device provided in one embodiment;

[0044] Figure 2 A cross-sectional structural diagram of a conveying module provided in one embodiment;

[0045] Figure 3 A cross-sectional structural schematic diagram of a paper tape slitting module provided in one embodiment;

[0046] Figure 4 This is a schematic diagram of the structure of a paper tape guiding and separating module provided in one embodiment;

[0047] Figure 5 This is a cross-sectional structural diagram of an unwinding module provided in one embodiment. Detailed Implementation

[0048] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0049] It should be noted that when a component is referred to as being "fixed to", "mounted to", or "set on" another component, it can be directly on or indirectly set on the other component; when a component is "connected" to another component, or a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0050] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0052] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0053] This invention provides a paper tape slitting and conveying device, comprising an unwinding module, a paper tape slitting module, and a paper tape guiding and separating module. The unwinding module is used to mount and place a paper roll. The paper tape slitting module is located behind the unwinding module and is used to slit the paper tape into multiple smaller paper tapes. The paper tape guiding and separating module is located behind the paper tape slitting module and is used to guide and separate the slitted smaller paper tapes. The paper tape slitting and conveying device includes the paper tape slitting module to slit the paper tape provided by the unwinding module; and it also includes the paper tape guiding and separating module to guide the slitted smaller paper tapes and adjust the distance between them, thereby avoiding entanglement and other problems during conveying. The paper tape slitting and conveying device can stably convey the smaller paper tapes to the rear, thus ensuring the synchronous forming effect of subsequent smaller paper tapes.

[0054] Please refer to the following: Figures 1 to 5 In one embodiment, a paper tape slitting and conveying device 100 is provided, which is mainly used to slit and convey paper tape to provide multiple small paper tapes to a paper tube forming machine to meet the needs of the paper tube forming machine to produce multiple paper tubes simultaneously.

[0055] The paper tape slitting and conveying device 100 includes an unwinding module 10, a paper tape slitting module 20, and a paper tape guiding and separating module 30. The unwinding module 10 is used to install and place paper rolls, wherein the paper rolls are formed by winding paper tape 200, and the paper tape 200 can be a paper tape of multiple widths (e.g., double-width or triple-width paper tape). The paper tape slitting module 20 is located behind the unwinding module 10 and is used to slit the paper tape 200 into multiple smaller paper tapes. Both the rear and front sides are referenced to the paper tape's transport direction. When the paper tape 200 is fed into the paper tape slitting module 20, the paper tape slitting module 20 cuts the paper tape 200, thereby slitting the paper tape 200 into multiple smaller paper tapes along the width direction of the paper tape 200. When the paper tape cutting module 20 cuts the paper tape 200, it can divide the paper tape 200 into equal or unequal parts along the width direction, depending on the required small paper tape width in subsequent equipment.

[0056] The paper tape guiding and separating module 30 is located behind the paper tape cutting module 20 and is used to guide and separate the cut paper tapes. That is, after the paper tape 200 is cut by the paper tape cutting module 20, it flows into the paper tape guiding and separating module 30. The paper tape guiding and separating module 30 guides the cut paper tapes and adjusts the distance between the paper tapes to keep them spaced at a certain distance, thereby preventing them from tangling.

[0057] Understandably, most existing paper tube forming machines are single-channel paper tube production machines (producing only one paper tube at a time), resulting in limited production efficiency and an inability to meet the simultaneous production needs of multiple paper tubes. Simultaneous production of multiple paper tubes requires the simultaneous supply of multiple paper strips. While feeding multiple paper rolls simultaneously can meet the supply requirements of multiple paper strips, the stability of these multiple paper strips is poor over long distances, and the synchronous forming effect is suboptimal.

[0058] The paper tape slitting and conveying device 100 provided in this embodiment is equipped with an unwinding module 10, a paper tape slitting module 20, and a paper tape guiding and separating module 30. During production, the wider paper tape 200 can be installed on the unwinding module 10, and then the paper tape slitting module 20 cuts it into multiple smaller paper tapes. Finally, the paper tape guiding and separating module 30 guides and conveys the tapes to subsequent equipment, thereby feeding multiple paper tapes. The feeding stability is better, and the paper tapes are less likely to entangle, thus ensuring the synchronous forming effect of subsequent paper tapes.

[0059] Preferably, in one embodiment, the paper tape slitting and conveying device 100 further includes a conveying module 40 located behind the paper tape slitting module 20, used to drive the small paper tape to move. That is, in this embodiment, the conveying module 40 pulls the small paper tape from the rear, thereby providing the power for the paper tape to move within the paper tape slitting module 20. The conveying module 40 includes a conveying drive mechanism 41, a drive wheel 42, a roller 43, and a roller drive mechanism 44. The conveying drive mechanism 41 is connected to the drive wheel 42 to drive the drive wheel 42 to rotate. The surface of the roller 43 faces the surface of the drive wheel 42, and the small paper tape passes between the surface of the drive wheel 42 and the surface of the roller 43. The roller drive mechanism 44 is connected to the roller 43 to drive the roller 43 to move relative to the drive wheel 42 to clamp or release the small paper tape. During production, the roller 43 and the drive wheel 42 clamp the paper tape, using a roller structure to transport the paper tape. The rotation of the drive wheel 42 drives the paper tape to move. The roller drive mechanism 44 drives the roller 43 to move, thereby separating the roller 43 from the drive wheel 42, releasing the paper tape, and stopping the transport.

[0060] Specifically, in one embodiment, the roller 43 is located above the drive roller 42, and the roller drive mechanism 44 is a slide cylinder, which opens and closes the conveying and stopping mechanism of the roller structure by extending and retracting the slide cylinder. More specifically, the drive roller 42 is made of stainless steel, and the roller 43 is a rubber roller, achieving low-wear and high-efficiency conveying of the paper tape.

[0061] Specifically, in one embodiment, the roller 43 is connected to the slide cylinder via the roller mounting base 48.

[0062] Specifically, in one embodiment, the unwinding module 10, the paper tape slitting module 20, the paper tape guiding and separating module 30, and the conveying module 40 are all mounted on the frame 50, and each module is provided with an adjustment margin to adapt to the paper tape slitting and conveying requirements of different widths, and can be used in conjunction with a multi-track paper tube forming machine.

[0063] More specifically, in one embodiment, a foot cup 60 is provided below the frame 50.

[0064] More specifically, in one embodiment, an electrical control box support plate 70 is provided in the frame 50, and the electrical control box support plate 70 can be used to install an electrical control operation box for corresponding control. Providing the electrical control box support plate 70 within the frame 50 integrates the electrical control and structural components of the device into a single unit.

[0065] Specifically, in one embodiment, the roller drive mechanism 44 is connected to the front panel of the frame 50 via a cylinder mounting base 49.

[0066] Preferably, in one embodiment, the conveying drive mechanism 41 includes a conveying motor 411, a conveying reducer 412, and a conveying shaft 413. The output shaft of the conveying motor 411 is connected to the input end of the conveying reducer 412, and the output end of the conveying reducer 412 is connected to the conveying shaft 413. The drive wheel 42 is mounted on the conveying shaft 413. The conveying reducer 412 increases the transmission torque. The conveying module 40 also includes a conveying reducer mounting base 45 and a first bearing mounting sleeve 46. The conveying reducer mounting base 45 is connected to the conveying reducer 412. The conveying shaft 413 passes through the first bearing mounting sleeve 46, and the first bearing mounting sleeve 46 has first bearings 47 at both ends connected to the conveying shaft 413. The first bearing mounting sleeve 46 extends at least partially into the conveying reducer mounting base 45 and abuts against it. The fit between the conveying reducer mounting base 45 and the first bearing mounting sleeve 46 ensures coaxiality. Meanwhile, the structure of the first bearing mounting sleeve 46 and the dual bearing mounting method also greatly improve the overall stress and connection rigidity.

[0067] Specifically, in one embodiment, the conveying shaft 413 is connected to the shaft of the conveying reducer 412 via a first coupling 414. By configuring the conveying reducer mounting base 45 and the first bearing mounting sleeve 46 to ensure their fit, the coaxiality of the two sections of the first coupling 414 can be guaranteed.

[0068] Specifically, in one embodiment, the conveying module 40 is mounted on the frame 50 via a conveying module mounting plate 401. The conveying reducer fixing seat 45 and the first bearing mounting sleeve 46 are mounted on the conveying module mounting plate 401.

[0069] Preferably, in one embodiment, a pair of guide rollers 80 are also provided below the conveying module 40. The guide rollers 80 can increase the wrap angle of the paper tape to make the paper tape conveying effect as good as possible.

[0070] Preferably, in one embodiment, the paper tape slitting module 20 includes a slitting drive mechanism 21, a slitting shaft 22, and a blade 23. The slitting drive mechanism 21 is connected to the slitting shaft 22 to drive the slitting shaft 22 to rotate, and the blade 23 is disposed on the slitting shaft 22. That is, in this embodiment, the paper tape slitting module 20 uses the blade 23 to slit the paper tape 200. The slitting drive mechanism 21 drives the slitting shaft 22 to rotate, thereby synchronously driving the blade 23 to rotate. When the paper tape 200 flows past the blade 23, the blade 23 cuts the paper tape 200, thereby slitting the paper tape 200 into multiple smaller paper tapes.

[0071] Preferably, in one embodiment, multiple (at least two) blades 23 are provided along the axial direction of the cutting axis 22. The number of blades 23 is related to the number of small paper strips to be formed. For example, in one embodiment, when the paper strip 200 needs to be cut into three small paper strips, two blades 23 are provided, spaced apart from each other, so that when the paper strip 200 flows through the blades 23, the two blades 23 cut the paper strip 200 into three small paper strips. The paper strip cutting module 20 also includes a blade adjustment mechanism 24, which is connected to the blades 23 and used to adjust the distance between adjacent blades 23. The blade adjustment mechanism 24 facilitates the adjustment of the distance between the blades 23, enabling rapid completion of paper strip cutting requirements of different widths.

[0072] Preferably, in one embodiment, the paper tape slitting module 20 further includes a protective cover 25 and a blade baffle 26. The protective cover 25 covers the blade 23, and the protective cover 25 has a clearance groove 251, through which the edge of the blade 23 extends out of the protective cover 25. A portion of the blade baffle 26 is opposite to the portion of the blade 23 extending out of the protective cover 25, and the blade baffle 26 and the blade 23 are spaced apart from each other. This structure can better ensure safety and also better protect the blade 23. The paper tape passes between the protective cover 25 and the blade baffle 26, and by separating the paper path from the related structures of the slitting shaft 22, the stability of slitting is improved.

[0073] Specifically, in one embodiment, the protective cover 25 includes a cover body 252 and a protective member 253 disposed at the end of the cover body 252. The cover body 252 serves as the overall protective structure for the blade 23, and the protective member 253 seals the front end face of the cover body 252.

[0074] Specifically, in one embodiment, the clearance groove 251 is a square groove, the clearance groove 251 is formed on the upper end face of the protective cover 25, and the blade 23 extends out of the square groove by 2-3mm.

[0075] Preferably, in one embodiment, the paper tape slitting module 20 further includes a motor mounting base 27 and a second bearing mounting sleeve 28, the motor mounting base 27 being connected to the slitting drive mechanism 21. The slitting shaft 22 passes through the second bearing mounting sleeve 28, and the second bearing mounting sleeve 28 has second bearings 29 at both ends connected to the slitting shaft 22. The second bearing mounting sleeve 28 extends at least partially into the motor mounting base 27 and abuts against the motor mounting base 27. By setting the fit requirements between the second bearing mounting sleeve 28 and the motor mounting base 27, coaxiality can be ensured.

[0076] Preferably, in one embodiment, the paper tape slitting module 20 further includes a stepped sleeve 201, through which the blades 23 are mounted on the slitting shaft 22. That is, in this embodiment, the blades 23 are not directly mounted on the slitting shaft 22, but rather on the stepped sleeve 201. Specifically, in one embodiment, the blade adjustment mechanism 24 is an electrostrictive ring. The distance between the blades 23 is determined by the stepped sleeve 201 and the electrostrictive ring. When energized, the electrostrictive ring can change its structural length according to current parameters, thus allowing for adjustable spacing between the blades 23 and fulfilling the slitting requirements of paper tapes of different widths.

[0077] Specifically, in one embodiment, the slitting drive mechanism 21 is a motor, and the slitting drive mechanism 21 is connected to the slitting shaft 22 via a second coupling 202. Figure 1 As shown in the direction angle, the paper tape is conveyed to the right in the paper tape slitting module 20. The motor drives the blade 23 to rotate counterclockwise to complete the slitting action. The movement of the blade 23 is opposite to the direction of the paper path, which improves the stability and slitting effect of the slitting process. By setting the fit requirements between the second bearing mounting sleeve 28 and the motor fixing seat 27, the coaxiality of the front and rear sections of the second coupling 202 can be guaranteed.

[0078] Specifically, in one embodiment, the paper tape slitting module 20 further includes a clamping sleeve 203 and a locking nut 204 mounted on the slitting shaft 22. The clamping sleeve 203 and the locking nut 204 are used to clamp the blade 23. Both the locking nut 204 and the clamping sleeve 203 have allowable lengths to accommodate different widths of paper tape slitting requirements, in conjunction with the blade adjustment mechanism 24. Specifically, in one embodiment, two blades 23 are provided. The blade adjustment mechanism 24 is located between the two blades 23. The locking nut 204 and the clamping sleeve 203 are used to clamp the outer blade 23. The blade adjustment mechanism 24 can change its structural length according to current parameters, thereby adjusting the position of the outer blade 23. When disassembling and replacing the blade, the protective component 253 can be disassembled first, and then the locking nut 204 and the clamping sleeve 203 can be disassembled. The blade 23 can be moved to the right side of the groove of the protective cover 25, lowered and then moved out along the cutting axis 22. The blade installation process is the opposite. The whole process ensures the ease of blade replacement.

[0079] Specifically, in one embodiment, the paper tape slitting module 20 is mounted on the frame 50 via a slitting module mounting plate 205. The motor mounting base 27, the second bearing mounting sleeve 28, the protective cover 25, and the blade baffle 26 are mounted on the slitting module mounting plate 205.

[0080] The paper tape slitting module 20 adopts a double flange fit structure to ensure the coaxiality of the front and rear sections of the coupling.

[0081] Preferably, in one embodiment, the paper tape slitting module 20 is further provided with guide rollers 80 on its periphery, which can cooperate to clamp the paper tape. For example, the two guide rollers 80 on the lower side of the paper tape slitting module 20 can cooperate to clamp the paper tape.

[0082] Preferably, in one embodiment, the paper tape guiding and separating module 30 includes a negative pressure suction shaft 31 and separating rings 32. Multiple separating rings 32 are disposed on the negative pressure suction shaft 31 along its axial direction, with two separating rings 32 spaced apart to form a paper tape channel 33 for accommodating the small paper tapes. The negative pressure suction shaft 31 refers to a shaft with negative pressure holes 311. The negative pressure suction shaft 31 can be connected to an air source device. After vacuum treatment using the air source device, the small paper tapes can be buffered and separated at this position. By adjusting the position of the separating rings 32, the required separation center distance can be adjusted accordingly, stably separating the slit small paper tapes to the center distance required by the multi-track paper tube forming machine without damaging the paper tape. Specifically, the negative pressure suction shaft 31 is a negative pressure suction flange shaft.

[0083] Preferably, in one embodiment, a guide roller 80 and a paper adjusting platform 90 are further provided between the unwinding module 10 and the paper tape slitting module 20. The paper tape 200 on the unwinding module 10 is conveyed to the guide roller 80, and the paper adjusting platform 90 adjusts the forward position of the paper tape 200. Then, the multiple guide rollers 80 are used to increase the paper guiding distance, thereby improving the stability of the paper path, and then the paper tape is conveyed to the paper tape slitting module 20.

[0084] Preferably, in one embodiment, the unwinding module 10 includes an unwinding unit 11 and an mounting unit 12. The paper roll formed by the paper tape 200 is mounted on the unwinding shaft 111 of the unwinding unit 11 via the mounting unit 12, and the paper roll can be adjusted in position along the axial direction of the unwinding shaft 111 to achieve the basic purpose of adjustable initial unwinding center position. The adjustment of the paper roll's position along the axial direction of the unwinding shaft 111 can be achieved by either moving the paper roll relative to the mounting unit 12 to adjust its axial position, or by moving the mounting unit 12 relative to the unwinding shaft 111 to adjust its axial position.

[0085] Specifically, in one embodiment, the unwinding unit 11 includes the unwinding shaft 111 and a magnetic powder brake 112 connected to the unwinding shaft 111. In order to maintain constant tension during the unwinding process of the paper roll, the current of the magnetic powder brake 112 can be controlled by a tension controller to implement constant tension unwinding of the unwinding shaft 111.

[0086] Specifically, in one embodiment, the mounting unit 12 includes a mounting base 121, a retaining ring 122, a pressure cap 123, a mounting locking nut 124, and a spring retainer 125. The paper roll is mounted on the mounting base 121. The retaining ring 122 is used to position the mounted paper roll, and the pressure cap 123 cooperates with the retaining ring 122 to lock the paper roll. The mounting locking nut 124 and the spring retainer 125 are used to fix the mounting unit 12 to the unwinding shaft 111. The spring retainer 125 cooperates with the mounting locking nut 124 to rotate through the thread, thereby enabling the paper roll clamping module composed of the paper roll, the mounting base 121, the retaining ring 122, the pressure cap 123, the mounting locking nut 124, and the spring retainer 125 to move axially, achieving the basic purpose of adjustable initial unwinding center position. Specifically, the key on the unwinding shaft 111 is installed with a slight loose fit, and the mounting locking nut 124 is threadedly connected to the unwinding shaft 111. Forward and reverse rotation can be achieved by the limiting action of the spring retainer 125, which can drive the entire mounting unit 12 to move back and forth along the axial direction, thus achieving the basic purpose of adjustable initial unwinding center position.

[0087] Specifically, in one embodiment, the retaining ring 122 is threadedly connected to the mounting base 121, thereby allowing for adaptive position adjustment according to different paper roll widths. Specifically, the pressure cap 123 is threadedly connected to the mounting base 121.

[0088] Specifically, in one embodiment, the unwinding module 10 is mounted on the frame 50 via an unwinding fixing plate 101.

[0089] The paper tape slitting and conveying device 100 is highly integrated and can function as an independent paper roll unwinding and slitting conveying system. Each module has adjustable margins to accommodate paper tape slitting and conveying requirements of different widths, and it can be used in conjunction with a multi-track paper tube forming machine. It employs single-roll unwinding, avoiding the drawbacks of multi-roll unwinding, such as high requirements for the paper roll end face and poor synchronization during conveying. Furthermore, axial adjustment of the paper roll position is achieved through simple mechanical structures such as threads and retaining rings.

[0090] Meanwhile, in one embodiment, a paper tube forming unit is also provided, which includes the paper tape slitting and conveying device 100 and a paper tube forming machine. The paper tube forming machine is a multi-track paper tube forming machine (with multiple paper tube forming channels inside, enabling simultaneous forming of multiple paper tubes). The paper tape slitting and conveying device 100 is used to feed multiple paper tapes to the paper tube forming machine. The paper tape slitting and conveying device 100 uses a single paper roll to unwind, cut into multiple segments, and then conveys them to the paper tube forming machine. The paper tape slitting and conveying device 100 can stably convey small paper tapes to the paper tube forming machine and can improve paper feeding efficiency, thereby ensuring the synchronous forming effect of multiple paper tubes in the paper tube forming machine.

[0091] The above description is merely an embodiment of the present invention. It should be noted that those skilled in the art can make improvements without departing from the inventive concept of the present invention, but these improvements all fall within the protection scope of the present invention.

Claims

1. A paper tape slitting and conveying device, characterized in that, Includes an unwinding module, a paper tape slitting module, and a paper tape guiding and separating module; The unwinding module is used to install and place paper rolls; The paper tape slitting module is located behind the unwinding module and is used to slit the paper tape into multiple smaller paper tapes. The paper tape guiding and separating module is located behind the paper tape cutting module and is used to guide and separate the cut paper tapes. The paper tape slitting module includes a slitting drive mechanism, a slitting shaft, and blades; The slitting drive mechanism is connected to the slitting shaft to drive the slitting shaft to rotate; The blade is mounted on the cutting shaft; Along the axial direction of the cutting axis, multiple blades are provided; The paper tape slitting module also includes a blade adjustment mechanism, which is connected to the blade and used to adjust the distance between adjacent blades; The paper tape slitting module also includes a protective cover and a blade baffle; The protective cover covers the blade, and the protective cover has a clearance groove, through which the edge of the blade extends out of the protective cover; A portion of the blade baffle extends out of the protective cover directly opposite the blade, and the blade baffle and the blade are spaced apart from each other; The paper tape slitting module also includes a stepped sleeve. The blade is mounted on the slitting shaft through the stepped sleeve. The blade adjustment mechanism is an electrostrictive ring. The distance between the blades is determined by the stepped sleeve and the electrostrictive ring. The electrostrictive ring can change its structural length according to the current parameter when energized. The paper tape slitting module also includes a clamping sleeve and a locking nut installed on the slitting shaft. The clamping sleeve and the locking nut are used to clamp the blade. The locking nut and the clamping sleeve have a margin, which, together with the blade adjustment mechanism, can adapt to the slitting requirements of paper tapes of different widths.

2. The paper tape slitting and conveying device according to claim 1, characterized in that, It also includes a conveying module, which is located behind the paper tape slitting module and is used to drive the small paper tape to move; The conveying module includes a conveying drive mechanism, a drive wheel, rollers, and a roller drive mechanism; The conveying drive mechanism is connected to the drive wheel to drive the drive wheel to rotate; The surface of the roller is opposite to the surface of the drive wheel; The small paper strip passes between the surface of the drive wheel and the surface of the roller; The roller drive mechanism is connected to the roller and is used to drive the roller to move relative to the drive wheel in order to clamp or release the small paper tape.

3. The paper tape slitting and conveying device according to claim 2, characterized in that, The conveying drive mechanism includes a conveying motor, a conveying reducer, and a conveying shaft; The output shaft of the conveyor motor is connected to the input end of the conveyor reducer; The output end of the conveyor reducer is connected to the conveyor shaft; The drive wheel is mounted on the conveyor shaft; The conveying module also includes a conveying reducer mounting base and a first bearing mounting sleeve; The conveyor reducer mounting base is connected to the conveyor reducer; The conveying shaft passes through the first bearing mounting sleeve, and the first bearing mounting sleeve is provided with first bearings at both ends that are connected to the conveying shaft; The first bearing mounting sleeve extends at least partially into the conveyor reducer mounting base and abuts against the conveyor reducer mounting base.

4. The paper tape slitting and conveying device according to claim 1, characterized in that, The paper tape slitting module also includes a motor mounting bracket and a second bearing mounting sleeve; The motor mounting base is connected to the cutting drive mechanism; The cutting shaft passes through the second bearing mounting sleeve, and the second bearing mounting sleeve is provided with second bearings at both ends that are connected to the cutting shaft; The second bearing mounting sleeve extends at least partially into the motor mounting base and abuts against the motor mounting base.

5. The paper tape slitting and conveying device according to claim 1, characterized in that, The paper tape guiding and separating module includes a negative pressure suction shaft and a separator ring; The separator ring is disposed on the negative pressure suction hole shaft, and multiple separator rings are disposed along the axial direction of the negative pressure suction hole shaft. Two separator rings are spaced apart to form a paper tape channel for accommodating the small paper tape.

6. The paper tape slitting and conveying device according to claim 1, characterized in that, A paper guide roller and a paper adjustment platform are also provided between the unwinding module and the paper tape slitting module.

7. The paper tape slitting and conveying device according to claim 1, characterized in that, The unwinding module includes an unwinding unit and an installation unit; The paper roll is mounted on the unwinding shaft of the unwinding unit via the mounting unit, and the position of the paper roll can be adjusted along the axial direction of the unwinding shaft.

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