Paper slitting and rewinding machine

Abstract

The utility model discloses a paper slitting and rewinding machine, which belongs to the technical field of slitting and rewinding machines, and solves the problems that the existing device needs to sleeve a winding drum on a roller for winding, the roller is detached after winding, and then the winding drum is taken down, so that the use is troublesome. A winding assembly and an unwinding assembly are arranged on the two sides of the mounting frame correspondingly, unwinding work is carried out through the unwinding assembly, then a winding drum is placed between a first winding roller and a second winding roller, the purpose of conveniently placing the winding drum is achieved, then the first winding roller is driven by a first motor to rotate to carry out winding work, and the winding efficiency is improved. A first hydraulic cylinder can further press a paper roll on the surface of the winding drum while limiting and supporting the winding drum, the wound paper roll is more compact, a push plate is pushed through a second hydraulic cylinder after winding is completed, then the winding drum is pushed down from the surface of a first winding roller and the surface of a second winding roller, and therefore the paper roll can be conveniently wound. The purpose of conveniently taking down the winding drum is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting and rewinding machines, in particular to a paper slitting and rewinding machine. Background Art

[0002] After the paper is produced, the large paper needs to be unwound on a rewinder, then cut into paper of a specific width and wound on a reel.

[0003] After searching, the application with patent number CN202021438970.7 discloses a tension balance control mechanism of a slitting and rewinding machine, including a first tension roller group, a second tension roller group and a synchronous transmission mechanism, wherein the first tension roller group is arranged close to the unwinding mechanism and located downstream of the unwinding mechanism, and is used to clamp and pull the paper released from the unwinding mechanism; the second tension roller group is arranged close to the slitting and rewinding mechanism and located upstream of the slitting and rewinding mechanism, and is used to clamp and pull the paper output from the first tension roller group and convey it to the slitting and rewinding mechanism; the synchronous transmission mechanism is used to transmit and connect the first tension roller group and the second tension roller group, and the pulling speed of the first tension roller group and the second tension roller group is the same;

[0004] Although the tension balance control mechanism of the slitting and rewinding machine can ensure the balance of the tension of the paper by simultaneously driving the first tension roller group and the second tension roller group at the same speed, the tension balance control mechanism of the slitting and rewinding machine is inconvenient because it requires the winding drum to be put on the roller for winding, and then the roller is removed after the winding is completed, and then the winding drum is removed, which is more troublesome to use.

[0005] Therefore, we propose a paper slitting and rewinding machine. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a paper slitting and rewinding machine, which solves the problem that the prior device needs to put a winding drum on a roller for winding, and then remove the roller and then take off the winding drum after winding, which is troublesome to use.

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: a paper slitting and rewinding machine, comprising a mounting frame, a mounting groove is provided on the side of the mounting frame, a rectangular groove is provided on the top of the side of the mounting frame, a winding assembly and an unwinding assembly are respectively provided on both sides of the mounting frame, an adjustment assembly is provided on the top of the mounting frame, and an air knife is fixedly installed on the top surface inside the mounting frame;

[0008] The winding assembly includes a first hydraulic cylinder fixedly mounted on the side wall of the mounting frame, the output end of the first hydraulic cylinder is rotatably connected to the second winding roller through a bearing ring, the side wall of the mounting frame is rotatably mounted with a first winding roller flush with the second winding roller through a bearing ring, the side wall of the mounting frame is fixedly mounted with a second motor, the output end of the second motor passes through the side wall of the mounting frame and is fixedly connected to one end of the first winding roller, a winding drum is placed between the second winding roller and the first winding roller, an L-shaped plate is fixedly mounted on the side wall of the mounting frame, the side wall of the L-shaped plate is fixedly mounted with a second hydraulic cylinder, the output end of the second hydraulic cylinder passes through the side wall of the L-shaped plate and is fixedly mounted with a push plate, the arc surface of the push plate is in contact with the surfaces of the first winding roller and the second winding roller.

[0009] Preferably, the unwinding assembly includes a second motor fixedly mounted on a side wall of the mounting frame away from the mounting groove, an output end of the second motor passes through the side wall of the mounting frame and is fixedly connected to an unwinding roller, two ends of the unwinding roller are rotatably mounted on the side wall of the mounting frame through bearing rings, and driven rollers are symmetrically arranged above the unwinding roller, both ends of the driven roller are rotatably mounted on the inner wall of the mounting frame through bearing rings, wherein the unwinding roller is driven to rotate by the second motor, and the driven roller can limit the paper roll placed between the unwinding roller and the driven roller, so that a large paper roll can be placed between the unwinding roller and the driven roller for unwinding.

[0010] Preferably, a driving gear and a driven gear are fixedly installed at one end of the unwinding roller and the driven roller, respectively, a reversing gear is arranged between the driving gear and the driven gear, the driving gear is meshed with the reversing gear and the driven gear, and the reversing gear is rotatably mounted on the side wall of the mounting frame through a bearing ring, wherein when the unwinding roller rotates, the rotation directions of the unwinding roller and the driven roller can be kept consistent through the meshing arrangement of the driving gear, the reversing gear and the driven gear.

[0011] Preferably, a third hydraulic cylinder is fixedly installed on the side wall of the mounting frame, and a limit plate is fixedly installed on the output end of the third hydraulic cylinder through the side wall of the mounting frame, and the arc surface of the limit plate contacts the surface of the unwinding roller and the driven roller, wherein the limit plate is pushed by the third hydraulic cylinder to move to both sides of the large paper roll, so as to limit it and prevent the large paper roll from moving randomly during unwinding.

[0012] Preferably, the adjustment component includes a fifth hydraulic cylinder fixedly mounted on both sides of the top surface of the mounting frame, the output end of the fifth hydraulic cylinder passes through the top surface of the mounting frame and is located inside the rectangular groove, and the output end of the fifth hydraulic cylinder is rotatably connected to an adjusting roller through a bearing ring, wherein when a large paper roll is unwound, its free end is passed around the top of the adjusting roller, and the height of the adjusting roller is adjusted by the fifth hydraulic cylinder, thereby adjusting the surface tension of the large paper roll to facilitate cutting and winding.

[0013] Preferably, the adjustment component also includes a fourth hydraulic cylinder fixedly mounted on both sides of the mounting frame, the output end of the fourth hydraulic cylinder is rotatably connected to an arc roller through a bearing ring, the arc roller includes a central core shaft with a certain curvature, the outer surface of the core shaft is fixedly sleeved with a bearing with a shell, a rubber sleeve is pasted on the outside of the shell, wherein the friction between the paper and the plate surface of the rubber sleeve can drive the rubber sleeve to rotate, thereby flattening the paper, and after the free end of the paper roll is passed over the top of the adjusting roller, it is passed under the arc roller, and the surface of the paper roll can generate a lateral speed through the arc roller, thereby flattening the paper roll.

[0014] The utility model provides a paper slitting and rewinding machine, which has the following beneficial effects:

[0015] 1. The paper slitting and rewinding machine performs unwinding work through an unwinding assembly, and then places the winding drum between the first winding roller and the second winding roller, so as to facilitate the placement of the winding drum. Then, the first motor drives the first winding roller to rotate for winding work. The first hydraulic cylinder can adjust the spacing between the second winding roller and the first winding roller to adapt to the gradually thickening winding drum. The first hydraulic cylinder can further press the paper roll against the surface of the winding drum while providing limited support for the winding drum, which is conducive to making the wound paper roll more compact and not easy to spread. After winding is completed, the push plate is pushed by the second hydraulic cylinder, and then the winding drum is pushed down from the surfaces of the first winding roller and the second winding roller, so as to facilitate the removal of the winding drum. This solves the problem that the existing device needs to cover the winding drum on the roller for winding, and then remove the roller and then remove the winding drum after winding is completed, which is more troublesome to use.

[0016] 2. The paper slitting and rewinding machine places a large paper roll between an unwinding roller and a driven roller, starts the third hydraulic cylinder to push the limit plate to contact the two sides of the large paper roll, drives the unwinding roller to rotate through the second motor, and drives the driven roller and the unwinding roller to rotate synchronously through the meshing structure of the driving gear, the driven gear and the reversing gear, and then unwinds the large paper roll. It also avoids the need to put the large paper roll on the roller, and is simple and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0019] Figure 3 It is a side view structural schematic diagram of the utility model;

[0020] Figure 4 For this utility model Figure 2Schematic diagram of the structure at point A.

[0021] In the figure: 1. mounting frame; 11. mounting slot; 12. rectangular slot; 2. winding assembly; 21. push plate; 22. first winding roller; 23. first hydraulic cylinder; 24. second winding roller; 25. L-shaped plate; 26. second hydraulic cylinder; 3. unwinding assembly; 31. second motor; 32. unwinding roller; 33. driving gear; 34. driven roller; 35. driven gear; 36. reversing gear; 37. third hydraulic cylinder; 38. limit plate; 4. adjusting assembly; 41. fourth hydraulic cylinder; 42. arc roller; 43. fifth hydraulic cylinder; 44. adjusting roller; 5. air knife. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Figure 1-4As shown: it includes a mounting frame 1, a mounting groove 11 is opened on the side of the mounting frame 1, a rectangular groove 12 is opened on the top of the side of the mounting frame 1, a winding assembly 2 and a unwinding assembly 3 are respectively arranged on both sides of the mounting frame 1, an adjusting assembly 4 is arranged on the top of the mounting frame 1, an air knife 5 is fixedly installed on the top surface inside the mounting frame 1, the winding assembly 2 includes a first hydraulic cylinder 23 fixedly installed on the side wall of the mounting frame 1, the output end of the first hydraulic cylinder 23 is rotatably connected to the second winding roller 24 through a bearing ring, a first winding roller 22 flush with the second winding roller 24 is rotatably sleeved on the side wall of the mounting frame 1 through a bearing ring, a second motor is fixedly installed on the side wall of the mounting frame 1, the output end of the second motor passes through the side wall of the mounting frame 1 and is fixedly connected to one end of the first winding roller 22, a winding drum is placed between the second winding roller 24 and the first winding roller 22, an L-shaped plate 25 is fixedly installed on the side wall of the mounting frame 1, and a second hydraulic cylinder 26 is fixedly installed on the side wall of the L-shaped plate 25. The output end of the second hydraulic cylinder 26 passes through the side wall of the L-shaped plate 25 and is fixedly installed with a push plate 21. The arc surface of the push plate 21 contacts the surface of the first winding roller 22 and the second winding roller 24, and the unwinding work is performed through the unwinding assembly 3. Then the winding drum is placed between the first winding roller 22 and the second winding roller 24, so as to facilitate the placement of the winding drum. Then the first motor is started to drive the first winding roller 22 to rotate for winding work. The spacing between the second winding roller 24 and the first winding roller 22 can be adjusted by the first hydraulic cylinder 23 to adapt to the gradually thickening winding drum. The first hydraulic cylinder 23 can further press the paper roll against the surface of the winding drum while providing limited support for the winding drum, which is conducive to making the wound paper roll more compact and not easy to spread. After the winding is completed, the push plate 21 is pushed by the second hydraulic cylinder 26, and then the winding drum is pushed down from the surface of the first winding roller 22 and the second winding roller 24, so as to facilitate the removal of the winding drum.

[0024] Example 2: Figure 1-4As shown: the unwinding assembly 3 includes a second motor 31 fixedly mounted on the side wall of the mounting frame 1 away from the mounting groove 11, the output end of the second motor 31 passes through the side wall of the mounting frame 1 and is fixedly connected to an unwinding roller 32, both ends of the unwinding roller 32 are rotatably sleeved on the side wall of the mounting frame 1 through bearing rings, and driven rollers 34 are symmetrically arranged above the unwinding roller 32, and both ends of the driven roller 34 are rotatably sleeved on the inner wall of the mounting frame 1 through bearing rings, and one end of the unwinding roller 32 and the driven roller 34 are respectively fixedly mounted with a driving gear 33 and a driven gear 35, and a reversing gear 36 is arranged between the driving gear 33 and the driven gear 35, and the driving gear 33 is meshed with the reversing gear 36 and the driven gear 35, and the reversing gear 36 is rotatably sleeved on the mounting frame through the bearing ring. 1, a third hydraulic cylinder 37 is fixedly installed on the side wall of the mounting frame 1, and the output end of the third hydraulic cylinder 37 penetrates the side wall of the mounting frame 1 and is fixedly installed with a limit plate 38, and the arc surface of the limit plate 38 contacts the surface of the unwinding roller 32 and the driven roller 34. By placing the large paper roll between the unwinding roller 32 and the driven roller 34, the third hydraulic cylinder 37 is started to push the limit plate 38 to contact the two sides of the large paper roll, and the unwinding roller 32 is driven to rotate by the second motor 31. Through the meshing structure of the driving gear 33, the driven gear 35 and the reversing gear 36, the driven roller 34 can be driven to rotate synchronously with the unwinding roller 32, and then the large paper roll is unwound, which also avoids the step of setting the large paper roll on the roller, and is simple and convenient to use;

[0025] Example 3: Figure 1-3 As shown: the adjustment component 4 includes a fifth hydraulic cylinder 43 fixedly mounted on both sides of the top surface of the mounting frame 1, the output end of the fifth hydraulic cylinder 43 penetrates the top surface of the mounting frame 1 and is located inside the rectangular groove 12, the output end of the fifth hydraulic cylinder 43 is rotatably connected to an adjusting roller 44 through a bearing ring, the adjustment component 4 also includes a fourth hydraulic cylinder 41 fixedly mounted on both sides of the inside of the mounting frame 1, the output end of the fourth hydraulic cylinder 41 is rotatably connected to an arc roller 42 through a bearing ring, the arc roller 42 includes a central core shaft with a certain curvature, a bearing with a shell is fixedly sleeved on the outer surface of the core shaft, a rubber sleeve is pasted on the outside of the shell, the limit plate 38 is pushed to move to both sides of the large paper roll by the third hydraulic cylinder 37, and can be limited to prevent the large paper roll from moving at will during unwinding, when the large paper roll is unrolled, its free end is bypassed from above the adjusting roller 44, the height of the adjusting roller 44 is adjusted by the fifth hydraulic cylinder 43, and then the surface tension of the large paper roll can be adjusted to facilitate cutting and winding.

[0026] The working principle and use process of the utility model are as follows: when the paper slitting and rewinding machine is used, a large paper roll is placed between the unwinding roller 32 and the driven roller 34, the third hydraulic cylinder 37 is started to push the limit plate 38 to contact the two sides of the large paper roll, and then the free end of the paper roll is passed over the top of the adjusting roller 44 and then passed under the arc roller 42, the fifth hydraulic cylinder 43 and the fourth hydraulic cylinder 41 are started to adjust the positions of the adjusting roller 44 and the arc roller 42, and then the surface tension of the paper roll is adjusted, and then the air knife 5 is started to cut the paper roll, and then the free end of the cut paper roll is wound on the winding drum, and then the winding drum with the paper roll is placed between the first winding roller 22 and the first hydraulic cylinder 23, and then the first motor and the second motor 31 can be started at the same time, and the first The motor drives the first winding roller 22 to rotate, and then drives the winding drum to rotate for winding. The second motor 31 drives the unwinding roller 32 to rotate. Through the meshing structure of the driving gear 33, the driven gear 35 and the reversing gear 36, the driven roller 34 can be driven to rotate synchronously with the unwinding roller 32, and then the large paper roll can be unwound. When the thickness of the winding drum is large, the second winding roller 24 is moved away from the first winding roller 22 by the first hydraulic cylinder 23, so that the distance between the first winding roller 22 and the second winding roller 24 matches the thickness of the winding drum after winding. After winding, the second hydraulic cylinder 26 can be started to push the push plate 21, and then the wound winding drum is pushed down from the surfaces of the first winding roller 22 and the second winding roller 24.

[0027] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A paper slitting and rewinding machine, characterized in that: The mounting frame (1) comprises a mounting frame (1), a mounting groove (11) is provided on a side surface of the mounting frame (1), a rectangular groove (12) is provided on the top of the side surface of the mounting frame (1), a winding assembly (2) and an unwinding assembly (3) are respectively provided on both sides of the mounting frame (1), an adjusting assembly (4) is provided on the top of the mounting frame (1), and an air knife (5) is fixedly installed on the top surface inside the mounting frame (1); The winding assembly (2) comprises a first hydraulic cylinder (23) fixedly mounted on a side wall of the mounting frame (1); the output end of the first hydraulic cylinder (23) is rotatably connected to a second winding roller (24) via a bearing ring; a first winding roller (22) flush with the second winding roller (24) is rotatably mounted on the side wall of the mounting frame (1) via a bearing ring; a second motor is fixedly mounted on the side wall of the mounting frame (1); the output end of the second motor passes through the side wall of the mounting frame (1) and is fixedly connected to the first winding roller. At one end of the winding roller (22), a winding drum is placed between the second winding roller (24) and the first winding roller (22); an L-shaped plate (25) is fixedly mounted on the side wall of the mounting frame (1); a second hydraulic cylinder (26) is fixedly mounted on the side wall of the L-shaped plate (25); an output end of the second hydraulic cylinder (26) passes through the side wall of the L-shaped plate (25) and a push plate (21) is fixedly mounted thereon; the arc surface of the push plate (21) contacts the surfaces of the first winding roller (22) and the second winding roller (24).

2. A paper slitting and rewinding machine according to claim 1, characterized in that: The unwinding assembly (3) comprises a second motor (31) fixedly mounted on a side wall of the mounting frame (1) away from the mounting groove (11); an output end of the second motor (31) passes through the side wall of the mounting frame (1) and is fixedly connected to an unwinding roller (32); both ends of the unwinding roller (32) are rotatably sleeved on the side wall of the mounting frame (1) via bearing rings; driven rollers (34) are symmetrically arranged above the unwinding roller (32); both ends of the driven roller (34) are rotatably sleeved on the inner wall of the mounting frame (1) via bearing rings.

3. A paper slitting and rewinding machine according to claim 2, characterized in that: A driving gear (33) and a driven gear (35) are fixedly mounted on one end of the unwinding roller (32) and the driven roller (34), respectively; a reversing gear (36) is arranged between the driving gear (33) and the driven gear (35); the driving gear (33) meshes with the reversing gear (36) and the driven gear (35); the reversing gear (36) is rotatably sleeved on the side wall of the mounting frame (1) via a bearing ring.

4. A paper slitting and rewinding machine according to claim 2, characterized in that: A third hydraulic cylinder (37) is fixedly mounted on the side wall of the mounting frame (1); an output end of the third hydraulic cylinder (37) passes through the side wall of the mounting frame (1) and a limit plate (38) is fixedly mounted thereon; the arc surface of the limit plate (38) contacts the surfaces of the unwinding roller (32) and the driven roller (34).

5. The paper slitting and rewinding machine according to claim 1, characterized in that: The adjustment assembly (4) comprises a fifth hydraulic cylinder (43) fixedly mounted on both sides of the top surface of the mounting frame (1); the output end of the fifth hydraulic cylinder (43) penetrates the top surface of the mounting frame (1) and is located inside the rectangular groove (12); the output end of the fifth hydraulic cylinder (43) is rotatably connected to an adjustment roller (44) via a bearing ring.

6. A paper slitting and rewinding machine according to claim 1, characterized in that: The adjustment assembly (4) further comprises a fourth hydraulic cylinder (41) fixedly mounted on both sides of the interior of the mounting frame (1); the output end of the fourth hydraulic cylinder (41) is rotatably connected to an arc roller (42) via a bearing ring; the arc roller (42) comprises a central core shaft with a certain curvature; a bearing with a housing is fixedly sleeved on the outer surface of the core shaft; and a rubber sleeve is adhered to the outer surface of the housing.

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