Tissue slitting device

Abstract

The utility model relates to the technical field of tissue processing and slitting, and discloses a tissue slitting device which comprises a workbench used for slitting wide paper, a conveying roller, a guide roller, a cutter and a wind-up roller which are sequentially installed on the top face of the workbench in the direction of a production line, and further comprises a bearing seat which is fixedly connected to the top face of the workbench and located at the front end of the conveying roller in the direction of the production line, a bearing groove is formed in the top face of the bearing base, and the wide paper is rotationally connected into the bearing groove. The feeding mechanism comprises a pair of supporting plates, the sides, close to each other, of the pair of supporting plates are rotationally matched with supporting columns, the supporting columns are used for stretching into the inner ring side of the wide paper column barrel, one ends of the supporting plates are connected with driving assemblies, and the pair of supporting plates are close to or away from each other through the driving assemblies. And the supporting plate has motion freedom degrees in at least three directions relative to the bearing seat. Rapid feeding can be achieved, and the tissue slitting effect is effectively guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of paper towel processing and slitting technology, and in particular to a paper towel slitting device. Background Technology

[0002] A slitting machine is a mechanical device that cuts wide sheets of paper into multiple narrow strips, commonly used in tissue paper production. For example, in a tissue paper slitting machine with patent number CN221985259U, a cylinder lifts the feeding rack, pushing the cylinder of wide paper onto the feeding platform for automatic feeding. However, due to the considerable weight of wide paper, the existing technology has an opening on one side of the feeding rack, causing the wide paper to directly rub against the side wall of the feeding platform during lifting. Under the pressure of its own weight, this easily damages the paper, affecting its slitting performance. Therefore, a tissue paper slitting device is urgently needed to solve the aforementioned problems. Utility Model Content

[0003] The purpose of this invention is to provide a tissue cutting device to solve the problems existing in the prior art, which can realize automatic feeding and effectively ensure the cutting effect of tissues.

[0004] To achieve the above objectives, this utility model provides the following solution: This utility model provides a tissue paper slitting device, including a worktable for slitting wide-width paper, wherein a conveying roller, a guide roller, a cutter, and a winding roller are sequentially installed on the top surface of the worktable along the production line direction, and further includes:

[0005] A support seat is fixed to the top surface of the workbench and located at the front end of the conveyor roller along the direction of the production line. A support groove is provided on the top surface of the support seat, and the wide-width paper is transferred into the support groove.

[0006] The feeding mechanism includes a pair of support plates, and each of the adjacent sides of the pair of support plates is rotatably fitted with a support column. The support column is used to extend into the inner ring side of the wide paper cylinder. One end of each support plate is connected to a drive assembly. The pair of support plates move closer or further apart from each other through the drive assembly, and the support plate has at least three degrees of freedom of movement relative to the support seat.

[0007] Preferably, the driving component includes:

[0008] A drive plate is disposed above the worktable and configured to move along the production line direction. The drive plate is raised and lowered relative to the worktable. A slide groove is provided at the bottom end of the drive plate, and a bidirectional lead screw is connected in the slide groove.

[0009] A pair of first limit plates are symmetrically arranged along the center of the bidirectional screw rod, the first limit plate is limited to slide in the sliding groove, and the first limit plate is threadedly sleeved on the bidirectional screw rod.

[0010] Preferably, further comprising:

[0011] A first driving motor is fixedly connected to one side of the driving plate, and an output shaft of the first driving motor is coaxially fixedly connected with the bidirectional screw rod.

[0012] A sliding lifting part is arranged above the driving plate, and a moving end of the sliding lifting part is connected with the driving plate.

[0013] Preferably, the sliding lifting part comprises:

[0014] A mounting seat is fixedly connected above the driving plate, a limiting groove is formed in the bottom end of the mounting seat, the limiting groove is coaxially arranged along the direction of the production line, a second limiting block is limited to slide in the limiting groove, an air cylinder is fixedly connected to the bottom surface of the second limiting block, and a piston end of the air cylinder is fixedly connected with the driving plate.

[0015] A screw rod is connected in the limiting groove, and the second limiting block is threadedly sleeved on the screw rod, a second driving motor is fixedly connected to one side of the mounting seat, and an output shaft of the second driving motor is coaxially fixedly connected with the screw rod.

[0016] Preferably, the bottom end inner wall of the supporting groove is in an inverted trapezoidal structure, a plurality of transfer grooves are sequentially formed in the two sides of the supporting groove along the width direction of the workbench, supporting wheels are arranged in the transfer grooves, and the supporting wheels are in rolling contact with the wide paper.

[0017] Preferably, the bottom end of the supporting plate is fixedly connected with a connecting disc, a rotating rod is coaxially arranged at the center of the connecting disc, and one side of the rotating rod close to the wide paper cylinder is coaxially fixedly connected with the supporting column.

[0018] Preferably, a hollow groove is formed in the connecting disc, a ratchet wheel is sleeved and fixed on the part of the rotating rod located in the hollow groove, a clamping seat is fixedly connected to the inner wall of the hollow groove, a clamping groove is formed in the side of the clamping seat close to the ratchet wheel, a clamping convex is slidably arranged in the clamping groove, and the two ends of the spring are respectively fixedly connected between the clamping convex and the inner wall of the bottom end of the clamping groove.

[0019] Preferably, a guide cone is fixedly connected to one side of the supporting column close to the wide paper cylinder, and the tip of the guide cone is directed towards the wide paper cylinder.

[0020] The utility model discloses the following technical effects:

[0021] The utility model discloses a pair of support plates are rotatably connected with the support column on the mutual approaching side, and the support plate has the movement freedom of at least three directions through the drive assembly control a pair of support plates mutually approach or be far from each other, thereby realizing the movement adjustment of the support column position, and the support column effectively extends into the wide paper cylinder, and the pair of support plates form the limiting of wide paper, to stabilize and fix and move the wide paper, and the wide paper is rotatably supported through the support seat on the front end of the workbench, realizes the feeding of the wide paper, compared with prior art, can avoid causing the scratch damage of the wide paper in the feeding process, improves the effect of the subsequent wide paper slitting. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without the creative labor.

[0023] Figure 1 It is the position relation diagram of the workbench and wide paper in the utility model;

[0024] Figure 2 It is the connection relation diagram of the drive plate and mounting seat in the utility model;

[0025] Figure 3 It is the position relation diagram of the support column and wide paper cylinder in the utility model;

[0026] Figure 4 It is the connection relation diagram of the ratchet wheel and the clamping convex in the utility model;

[0027] Figure 5 It is the connection relation diagram of the support seat and wide paper in the utility model;

[0028] Wherein, 1, workbench;2, conveying roller;3, guide roller;4, cutter;5, winding roller;6, support seat;7, support plate;8, support column;9, drive plate;10, two-way screw;11, first limit plate;12, first drive motor;13, mounting seat;14, second limit block;15, second drive motor;16, screw;17, support wheel;18, connecting disc;19, rotating rod;20, ratchet wheel;21, clamping seat;22, clamping convex;23, spring;24, guide cone;25, air cylinder. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0031] Referring to Figures 1-5 The utility model provides a paper towel slitting device, including the worktable 1 for cutting wide paper, worktable 1 top surface is installed with conveying roller 2, guide roller 3, cutter 4 and winding roller 5 in proper order along the production line direction, still includes:

[0032] Support seat 6 is fixedly connected at worktable 1 top surface, and is located at the front end of conveying roller 2 along the production line direction, and the top surface of support seat 6 is provided with a supporting groove, and the wide paper is connected in the supporting groove;

[0033] Feeding mechanism, a pair of support plates 7 are rotatably connected with support columns 8 on the mutually approaching sides of the pair of support plates 7, the support columns 8 are used to extend into the inner ring side of the wide paper cylinder, one end of the support plate 7 is connected with a driving assembly, and the pair of support plates 7 are moved closer to or away from each other through the driving assembly, and the support plate 7 has at least three degrees of freedom of movement relative to the support seat 6.

[0034] The utility model rotatably connects support column 8 on the mutually approaching sides of a pair of support plates 7, controls a pair of support plates 7 to move closer to or away from each other through driving assembly, and the support plate 7 has at least three degrees of freedom of movement, thereby realizing the movement adjustment of the position of support column 8, making support column 8 effectively extend into the wide paper cylinder, cooperating with a pair of support plates 7 to form the limiting of wide paper, to stably fix and move the wide paper, rotating and supporting the wide paper at the front end of worktable 1 through support seat 6, realizing the feeding of wide paper, compared with prior art, can avoid causing scratch damage to wide paper during feeding process, improve the effect of subsequent wide paper slitting.

[0035] In the technical scheme, after the wide paper is fed and placed in the supporting groove, the staff pulls the end of the wide paper to the conveying roller 2, the paper is conveyed along the production line direction through the conveying roller 2, the paper is laid flat on the surface of the worktable 1 through the guide roller 3, and the narrow paper cylinder on the winding roller 5 is wound after the slitting through the cutter 4, thereby realizing the slitting production of the whole paper towel, and the above structure is a conventional technology, which will not be described in detail.

[0036] Further, the driving assembly comprises:

[0037] A driving plate 9 is arranged above the workbench 1 and is configured to be movable along the production line direction, and the driving plate 9 is lifted relative to the workbench 1, and a sliding groove is formed in the bottom end of the driving plate 9, and a bidirectional screw 10 is connected in the sliding groove;

[0038] A pair of first limiting plates 11 are symmetrically arranged along the center of the bidirectional screw 10, the first limiting plates 11 are slidingly connected in the sliding groove, and the first limiting plates 11 are threadedly sleeved on the bidirectional screw 10, and the support plates 7 are correspondingly fixedly connected to the bottom ends of the first limiting plates 11.

[0039] The pair of first limiting plates 11 are driven by the driving plate 9 to move along the production line direction, and the driving plate 9 is lifted relative to the workbench 1, and the support plates 7 are fixedly connected to the first limiting plates 11, and the first limiting plates 11 can be moved close to or away from each other under the driving of the bidirectional screw 10, thereby improving the movement freedom of the support plates 7 in at least three directions, realizing the positioning and supporting of the wide paper cylinder, and moving the wide paper for feeding.

[0040] Further, the driving assembly further comprises:

[0041] A first driving motor 12 is fixedly connected to one side of the driving plate 9, and the output shaft of the first driving motor 12 is coaxially fixedly connected to the bidirectional screw 10;

[0042] A sliding lifting part is arranged above the driving plate 9, and the moving end of the sliding lifting part is connected to the driving plate 9.

[0043] The first driving motor 12 provides driving force for the rotation of the bidirectional screw 10, and the moving end of the sliding lifting part is also connected to the driving plate 9, realizing the movement of the driving plate 9 along the production line direction, and the driving plate 9 can be adjusted in lifting, thereby improving the feeding efficiency of the wide paper.

[0044] Further, the sliding lifting part comprises:

[0045] A mounting seat 13 is fixedly connected above the driving plate 9, a limiting groove is formed in the bottom end of the mounting seat 13, the limiting groove is coaxially distributed along the production line direction, a second limiting block 14 is slidingly connected in the limiting groove, the bottom surface of the second limiting block 14 is fixedly connected with a pneumatic cylinder 25, and the piston end of the pneumatic cylinder 25 is fixedly connected with the driving plate 9;

[0046] A screw rod 16 is connected in the limiting groove, and the second limiting block 14 is threadedly sleeved on the screw rod 16, and a second driving motor 15 is fixedly connected to one side of the mounting seat 13, and the output shaft of the second driving motor 15 is coaxially fixedly connected with the screw rod 16.

[0047] The second limiting block 14 is driven to slide along the limiting groove in the axial direction by rotating the screw rod 16 driven by the second driving motor 15, the second limiting block 14 drives the cylinder 25 to move the driving plate 9, the piston end of the cylinder 25 controls the driving plate 9 to lift relative to the mounting table, and the mounting seat 13 is supported and fixed by the support or directly fixed on the ceiling, so that it is located above the workbench 1.

[0048] Further, the inner wall of the bottom end of the supporting groove is in an inverted trapezoidal structure, a plurality of switching grooves are sequentially formed in the width direction of the workbench 1 on the two sides of the supporting groove, a supporting wheel 17 is switched in the switching groove, and the supporting wheel 17 is in rolling contact with the wide paper.

[0049] In the technical solution, the supporting wheel 17 preferably adopts a plastic-coated wheel to provide rotating support for the wide paper, and is in rolling contact with the wide paper on the two sides of the supporting groove, thereby ensuring that the wide paper can rotate in the direction of the conveying roller 2 to guide the paper out.

[0050] Further, the bottom end of the supporting plate 7 is fixedly connected with a connecting disc 18, the axis of the connecting disc 18 is connected with a rotating rod 19, and the side of the rotating rod 19 close to the wide paper cylinder is fixedly connected with the supporting column 8 coaxially.

[0051] The bottom end of the supporting seat is fixedly connected with the connecting disc 18 to rotate and support the rotating rod 19, so that the supporting column 8 is rotatably connected with the supporting plate 7.

[0052] Further, the connecting disc 18 is provided with a hollow groove, the part of the rotating rod 19 located in the hollow groove is fixedly connected with a ratchet wheel 20, the inner wall of the hollow groove is fixedly connected with a clamping seat 21, the side of the clamping seat 21 close to the ratchet wheel 20 is provided with an embedding groove, a clamping convex 22 is slidably connected in the embedding groove, and the two ends of the clamping convex 22 are fixedly connected with the two ends of a spring 23, respectively, and the clamping convex 22 elastically slides with the ratchet teeth groove of the ratchet wheel 20.

[0053] In the technical solution, since the rotating speed of the wide paper is not high, the ratchet wheel 20 is arranged, the ratchet wheel 20 is fixedly connected on the rotating rod 19 in the hollow groove of the connecting disc 18, and the clamping convex 22 is elastically connected in the inner wall of the hollow groove, thereby forming a ratchet structure for limiting the rotation of the ratchet wheel 20, so as to improve the rotating stability of the wide paper cylinder, and effectively improve the rotating effect of the wide paper in combination with the rotating support of the supporting column 8 on the wide paper cylinder.

[0054] In addition, in one embodiment of the technical solution, the end of the clamping convex 22 preferably but not limited to adopts a circular arc structure, so that the clamping convex 22 and the spring 23 can exert pressure on the ratchet wheel 20, and the ratchet wheel 20 can also be reversed, only the rotating pressure is greater than the forward rotation, so as to ensure the rotating stability of the wide paper, and also can reverse the wide paper cylinder in a specific situation to wind the pulled-out paper, thereby improving the use convenience.

[0055] Further, the support column 8 is fixed with a guide cone 24 near one side of the wide paper cylinder, and the tip of the guide cone 24 faces the wide paper cylinder.

[0056] The guide cone 24 improves the efficiency of the support column 8 extending into the wide paper cylinder.

[0057] The working principle of the paper towel slitting device is as follows:

[0058] The wide paper is conveyed to the outer side of the front end of the workbench 1, the second driving motor 15 rotates the screw rod 16 to drive the second limiting block 14 to move above the wide paper, the cylinder 25 drives the driving plate 9 to descend, the support plates 7 on both sides of the driving plate 9 are distributed on both sides of the wide paper cylinder, the tip of the guide cone 24 corresponds to the inside of the wide paper cylinder, the first driving motor 12 is started, the bidirectional screw rod 10 rotates to make a pair of first limiting blocks close to each other, thereby driving the support plates 7 to move towards each other, the support column 8 and the guide cone 24 extend into the wide paper cylinder, the wide paper is fixed, and the support plates 7 are prevented from abutting against the wide paper cylinder to prevent the wide paper from being unable to rotate.

[0059] The second driving motor 15 and the cylinder 25 are started, the wide paper is lifted and moved above the supporting seat 6, the cylinder 25 controls the driving plate 9 to descend, thereby placing the wide paper in the supporting groove, the wide paper is supported by the supporting wheel 17, the staff pulls the end of the wide paper to the conveying roller 2, the paper is conveyed along the production line direction by the conveying roller 2, the paper is laid flat on the surface of the workbench 1 by the guide roller 3, and after being cut by the cutter 4, the narrow paper cylinder on the winding roller 5 winds the cut narrow paper, and the whole paper towel is cut and produced.

[0060] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0061] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model claim.

Claims

1. A paper towel slitting device comprising a worktable (1) for slitting a wide paper, the top surface of the worktable (1) being sequentially provided with a conveying roller (2), a guide roller (3), a cutter (4) and a winding roller (5) along the direction of the production line, characterized in that, Also include: Support seat (6) is fixed on the top surface of the workbench (1), and is located in the front end of the conveying roller (2) along the production line direction, the top surface of the support seat (6) is provided with a support groove, and the wide paper is transferred in the support groove; The feeding mechanism comprises a pair of support plates (7), and the mutually close sides of the pair of support plates (7) are rotatably connected with support columns (8), the support columns (8) are used for extending into the inner ring side of the wide paper cylinder, one end of the support plate (7) is connected with a driving assembly, and the pair of support plates (7) are close to or away from each other through the driving assembly, and the support plate (7) has at least three degrees of freedom of motion relative to the support seat (6).

2. The apparatus according to claim 1, wherein The driving assembly comprises: The driving plate (9) is arranged above the workbench (1) and is configured to be movable along the production line direction, and the driving plate (9) is lifted relative to the workbench (1), the bottom end of the driving plate (9) is provided with a sliding groove, and the sliding groove is connected with a bidirectional screw (10); A pair of first limiting plates (11) are arranged symmetrically along the center of the bidirectional screw (10), the first limiting plate (11) is slidably connected in the sliding groove, and the first limiting plate (11) is threadedly connected on the bidirectional screw (10), and the support plate (7) is correspondingly connected at the bottom end of the first limiting plate (11).

3. The apparatus of claim 2 wherein, Also include: The first driving motor (12) is fixed on one side of the driving plate (9), and the output shaft of the first driving motor (12) is coaxially connected with the bidirectional screw (10); The sliding lifting part is arranged above the driving plate (9), and the movement end of the sliding lifting part is connected with the driving plate (9).

4. The apparatus according to claim 3, wherein The sliding lifting part comprises: The mounting seat (13) is fixed above the driving plate (9), the bottom end of the mounting seat (13) is provided with a limiting groove, the limiting groove is coaxially distributed along the production line direction, the second limiting block (14) is slidably connected in the limiting groove, the bottom surface of the second limiting block (14) is fixedly connected with a gas cylinder (25), and the piston end of the gas cylinder (25) is fixedly connected with the driving plate (9); The screw (16) is connected in the limiting groove, and the second limiting block (14) is threadedly connected on the screw (16), one side of the mounting seat (13) is fixedly connected with a second driving motor (15), and the output shaft of the second driving motor (15) is coaxially connected with the screw (16).

5. The apparatus of claim 1 wherein: The bottom end inner wall of the support groove is a reverse trapezoidal structure, a plurality of transfer grooves are sequentially arranged on both sides of the support groove along the width direction of the workbench (1), a support wheel (17) is arranged in the transfer groove, and the support wheel (17) is in rolling contact with the wide paper.

6. The paper towel slitting apparatus of claim 1, wherein: The bottom end of the support plate (7) is fixedly connected with a connecting disc (18), the axis of the connecting disc (18) is connected with a rotating rod (19), and one side of the rotating rod (19) close to the wide paper cylinder is coaxially connected with the support column (8).

7. The apparatus of claim 6 wherein: The connecting disc (18) is provided with a hollow groove, the part of the rotating rod (19) in the hollow groove is sleeved with a ratchet wheel (20), the inner wall of the hollow groove is fixedly connected with a clamping seat (21), the side close to the ratchet wheel (20) of the clamping seat (21) is provided with an embedding groove, the clamping seat (21) is slidably connected with a clamping convex (22), the two ends of the clamping convex (22) are respectively fixedly connected with the two ends of a spring (23), and the clamping convex (22) and the ratchet tooth groove of the ratchet wheel (20) are elastically slid.

8. The apparatus of claim 1 wherein: The support column (8) is fixedly connected with a guide cone (24) on the side close to the wide paper cylinder, and the tip of the guide cone (24) faces the wide paper cylinder.

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