Precise slitting device of paper machine

Abstract

The utility model discloses an accurate slitting device of a paper machine, and relates to the technical field of papermaking slitting. Comprising a workbench, a U-shaped plate is arranged on the upper wall face of the workbench, a first groove is formed in one side wall face of the U-shaped plate, a second groove is formed in the other side wall face of the U-shaped plate, a sliding rod is arranged in the second groove, a first threaded rod is rotationally connected into the first groove, a first motor is arranged on the side wall face of the U-shaped plate, and a second threaded rod is rotationally connected into the second groove. The driving end of the first motor is connected with the first threaded rod, and the first threaded rod is in threaded connection with a sliding plate. According to the paper roll cutting device, a structure capable of achieving accurate cutting and a structure capable of avoiding cutting deviation are designed, accurate quantification of cutting can be achieved, paper rolls can be fixed, cutting deviation caused by instability of the paper rolls is avoided, overall operation of the paper roll cutting device is simple, multiple paper rolls can be cut at the same time, and the cutting efficiency is improved. And the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cutting, in particular to a precise cutting device for a papermaking machine. Background Art

[0002] Paper is one of the four great inventions of ancient China. As early as 105 AD, Cai Lun summarized the experience of making paper with hemp fiber since the Western Han Dynasty, improved the papermaking technique, and used bark, hemp heads, rags, old fishing nets and other raw materials to make paper. Papermaking in modern society is mainly carried out by papermaking machines. After the paper is processed on the production line, special equipment is needed for rewinding and slitting.

[0003] In the process of realizing the utility model, the inventor found that the prior art had the following problems: the existing paper cutting is to cut the rolled paper roll by a cutting knife, but the cutting accuracy is not enough, which will affect the final product quality, and the paper will deform and be offset by force when subjected to cutting pressure, affecting the cutting effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a precise slitting device for a papermaking machine, which solves the problem that the prior art paper cutting is to cut the rolled paper rolls by a cutting knife, but the cutting accuracy is not enough, which will affect the final product quality, and the paper will be deformed and offset when subjected to cutting pressure, which will affect the cutting effect.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a paper machine precision slitting device, including a workbench, the upper wall surface of the workbench is provided with a U-shaped plate, one side wall surface of the U-shaped plate is provided with a first groove, the other side wall surface of the U-shaped plate is provided with a second groove, a sliding rod is provided in the second groove, a first threaded rod is rotatably connected in the first groove, a first motor is provided on the side wall surface of the U-shaped plate, a driving end of the first motor is connected to the first threaded rod, a sliding plate is threadedly connected to the first threaded rod, and the other end of the sliding plate is slidably mounted on the sliding rod The lower wall surface of the sliding plate is provided with a vertical plate, a cylindrical groove is provided in the vertical plate, a second motor is provided in the cylindrical groove, a second threaded rod is provided at the driving end of the second motor, a threaded sleeve rod is threadedly connected to the second threaded rod, the threaded sleeve rod is in sliding contact with the wall surface of the cylindrical groove, a pair of sliding grooves is provided on the side wall surface of the cylindrical groove, a pair of sliding blocks is provided on the side wall surface of the threaded sleeve rod, a pair of the sliding blocks are respectively slidably installed in a pair of the sliding grooves, a cutting knife is provided at the lower end of the threaded sleeve rod, a pair of plugging rods are provided at the upper end of the cutting knife, and the pair of the plugging rods can be movably inserted in the vertical plate.

[0006] Preferably, the upper wall surface of the workbench is provided with a pair of clamping mechanisms, and the clamping mechanisms include a portal frame installed on the upper wall surface of the workbench, and the inner wall surface of the portal frame is provided with a pair of slides, and a lifting plate is slidably installed between the pair of slides, and the lifting plate is connected to the lower wall surface of the portal frame by three pairs of springs, the lower wall surface of the lifting plate is provided with a sponge layer, and the upper wall surface of the lifting plate is provided with a handle, and the handle is movably connected in the portal frame.

[0007] Preferably, a pair of scale marks are provided on the upper wall surface of the workbench.

[0008] Preferably, a pair of transparent plates are provided in the sliding plate, and the pair of transparent plates are both located above the pair of scale marks.

[0009] Preferably, the lower wall surfaces of a pair of lifting plates are both provided with a sponge layer.

[0010] Beneficial Effects

[0011] The utility model provides a precise slitting device for a papermaking machine. The utility model is designed with a structure capable of achieving precise cutting and a structure to avoid cutting deviation. A pair of grips are pulled up to drive the lifting plate to move up and the spring to contract, and multiple paper rolls are inserted under a pair of sponge layers. After the grips are released, the spring rebounds to drive the lifting plate to reset and move down, and the paper rolls are fixed. The cutting length can be identified according to the scale mark, and the first motor is started to drive the sliding plate to slide, and the second motor is started to drive the cutting knife to move down, and the paper roll is cut. The auxiliary line on the transparent plate is aligned with the scale mark below to achieve precise cutting. The device can achieve precise quantitative cutting, and can fix the paper roll to avoid cutting deviation caused by instability. The overall operation of the device is relatively simple, and it can achieve cutting of multiple paper rolls at the same time, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the cutting knife connection structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the door frame connection structure of the utility model.

[0015] In the figure: 1. workbench; 2. U-shaped plate; 3. first motor; 4. first groove; 5. second groove; 6. first threaded rod; 7. sliding rod; 8. sliding plate; 9. scale mark; 10. transparent plate; 11. vertical plate; 12. cutting knife; 13. plug rod; 14. second motor; 15. second threaded rod; 16. threaded sleeve rod; 17. slide groove; 18. slider; 19. door frame; 20. slideway; 21. lifting plate; 22. sponge layer; 23. spring; 24. handle. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-3 The utility model provides a technical solution: a precise slitting device for a papermaking machine, comprising a workbench 1, a U-shaped plate 2 is arranged on the upper wall surface of the workbench 1, a first groove 4 is arranged on one side wall surface of the U-shaped plate 2, a second groove 5 is arranged on the other side wall surface of the U-shaped plate 2, a sliding rod 7 is arranged in the second groove 5, a first threaded rod 6 is rotatably connected in the first groove 4, a first motor 3 is arranged on the side wall surface of the U-shaped plate 2, a driving end of the first motor 3 is connected to the first threaded rod 6, a sliding plate 8 is threadedly connected to the first threaded rod 6, the other end of the sliding plate 8 is slidably mounted on the sliding rod 7, and a sliding plate 8 is arranged on the lower wall surface of the sliding plate 8 A vertical plate 11 is provided with a cylindrical groove in the vertical plate 11, a second motor 14 is provided in the cylindrical groove, a second threaded rod 15 is provided at the driving end of the second motor 14, a threaded sleeve 16 is threadedly connected to the second threaded rod 15, the threaded sleeve 16 is in sliding contact with the wall surface of the cylindrical groove, a pair of slide grooves 17 are provided on the side wall surface of the cylindrical groove, a pair of sliders 18 are provided on the side wall surface of the threaded sleeve 16, the pair of sliders 18 are respectively slidably installed in the pair of slide grooves 17, a cutting knife 12 is provided at the lower end of the threaded sleeve 16, a pair of insertion rods 13 are provided at the upper end of the cutting knife 12, and the pair of insertion rods 13 can be movably inserted in the vertical plate 11.

[0018] In the present embodiment, specifically, the upper wall surface of the workbench 1 is provided with a pair of clamping mechanisms, the clamping mechanisms include a portal frame 19 installed on the upper wall surface of the workbench 1, a pair of slideways 20 are provided on the inner wall surface of the portal frame 19, a lifting plate 21 is slidably installed between the pair of slideways 20, the lifting plate 21 and the lower wall surface of the portal frame 19 are connected by three pairs of springs 23, the lower wall surface of the lifting plate 21 is provided with a sponge layer 22, the upper wall surface of the lifting plate 21 is provided with a handle 24, and the handle 24 is movably connected in the portal frame 19.

[0019] In this embodiment, specifically, a pair of scale marks 9 are provided on the upper wall surface of the workbench 1 .

[0020] In this embodiment, specifically, a pair of transparent plates 10 are provided in the sliding plate 8 , and the pair of transparent plates 10 are both located above the pair of scale marks 9 .

[0021] In this embodiment, specifically, the lower wall surfaces of a pair of lifting plates 21 are both provided with a sponge layer 22 .

[0022] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0023] Embodiment: Pull up a pair of handles 24 to drive the lifting plate 21 to move upward and the spring 23 to contract. The lifting plate 21 always slides in the pair of slideways 20. Insert multiple paper rolls under the pair of sponge layers 22. After releasing the handles 24, the spring 23 rebounds and drives the lifting plate 21 to reset and move downward. The lifting plate 21 moves downward and drives the sponge layer 22 to move downward to fix the paper roll. The pair of lifting plates 21 fix the upper and lower ends of the paper roll respectively. The upper end of the paper roll contacts the wall surface of the U-shaped plate 2. The cutting length can be identified according to the scale mark 9. Start the first motor 3 to drive the first threaded rod 6 to rotate. The first threaded rod 6 rotates with The movable sliding plate 8 slides, and one end of the sliding plate 8 always slides on the sliding rod 7, which has a limiting effect. When the sliding plate 8 moves to a predetermined position, the second motor 14 is started to drive the second threaded rod 15 to rotate, and the rotation of the second threaded rod 15 drives the threaded sleeve rod 16 to move up and down. A pair of sliders 18 slide in a pair of slide grooves 17 respectively, and the threaded sleeve rod 16 moves downward to drive the cutting knife 12 to move downward to cut the paper roll. The single lifting plate 21 also has a strong fixity, which can assist the cutting knife 12 to complete the subsequent cutting work, and the auxiliary line on the transparent plate 10 is aligned with the scale mark 9 below to achieve precise cutting.

[0024] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A precision slitting device for a paper machine, comprising a workbench (1), characterized in that: The upper wall surface of the workbench (1) is provided with a U-shaped plate (2), one side wall surface of the U-shaped plate (2) is provided with a first groove (4), the other side wall surface of the U-shaped plate (2) is provided with a second groove (5), a sliding rod (7) is provided in the second groove (5), a first threaded rod (6) is rotatably connected in the first groove (4), a first motor (3) is provided on the side wall surface of the U-shaped plate (2), a driving end of the first motor (3) is connected to the first threaded rod (6), a sliding plate (8) is threadedly connected on the first threaded rod (6), the other end of the sliding plate (8) is slidably mounted on the sliding rod (7), a vertical plate (11) is provided on the lower wall surface of the sliding plate (8), a circular plate (11) is provided in the vertical plate (11) A cylindrical groove is provided in the cylindrical groove, a second motor (14) is provided at the driving end of the second motor (14), a threaded rod (15) is threadedly connected to a threaded sleeve rod (16), the threaded sleeve rod (16) is in sliding contact with the wall surface of the cylindrical groove, a pair of sliding grooves (17) are provided on the side wall surface of the cylindrical groove, a pair of sliding blocks (18) are provided on the side wall surface of the threaded sleeve rod (16), the pair of sliding blocks (18) are respectively slidably installed in the pair of sliding grooves (17), a cutting knife (12) is provided at the lower end of the threaded sleeve rod (16), a pair of inserting rods (13) are provided at the upper end of the cutting knife (12), and the pair of inserting rods (13) can be movably inserted in the vertical plate (11).

2. A paper machine precision slitting device according to claim 1, characterized in that: The upper wall surface of the workbench (1) is provided with a pair of clamping mechanisms, and the clamping mechanisms include a portal frame (19) installed on the upper wall surface of the workbench (1); the inner wall surface of the portal frame (19) is provided with a pair of slideways (20); a lifting plate (21) is slidably installed between the pair of slideways (20); the lifting plate (21) and the lower wall surface of the portal frame (19) are connected by three pairs of springs (23); the lower wall surface of the lifting plate (21) is provided with a sponge layer (22); the upper wall surface of the lifting plate (21) is provided with a handle (24); the handle (24) is movably connected in the portal frame (19).

3. The precise slitting device for a paper machine according to claim 1, characterized in that: A pair of scale marks (9) are provided on the upper wall surface of the workbench (1).

4. A precise slitting device for a paper machine according to claim 3, characterized in that: A pair of transparent plates (10) are arranged inside the sliding plate (8), and the pair of transparent plates (10) are both located above the pair of scale marks (9).

5. The precise slitting device for a paper machine according to claim 2, characterized in that: The lower wall surfaces of the pair of lifting plates (21) are both provided with a sponge layer (22).

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