Cutting mechanism of rewinding machine

Abstract

The utility model discloses a rewinding machine cutting mechanism which comprises a cutting roller, a cavity is formed in the cutting roller, a lead screw is rotationally arranged in the middle of the interior of the cavity, a limiting sliding seat is arranged on the outer side of the lead screw in a threaded mode, a detachable cutting blade is arranged on the outer side of the limiting sliding seat through a supporting plate and a positioning mechanism, and the cutting blade is arranged on the outer side of the cutting roller in a sliding and sleeving mode. A cavity is formed in the cutting roller, a screw rod is arranged in the cavity, one end of the screw rod is in transmission connection with an adjusting shaft through a gear set, an adjusting disc is arranged at one end of the adjusting shaft, limiting sliding holes are formed in the two sides of the cavity, and the supporting plates and the limiting sliding holes are arranged in a sliding mode. And the cutting blade can be moved and adjusted in the axial direction of the cutting roller by rotating the lead screw, so that cutting use treatment at different positions can be met, adjustment is convenient and rapid, and the precision is high.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting equipment, in particular to a material cutting mechanism of a rewinding machine. Background Art

[0002] Rewinders are generally used for rewinding and slitting mica tapes, paper, and films, and they play the role of splitting them in two. They are often used to slit wide rolls, and they play an important role in the subsequent re-slitting. They are special equipment for paper, mica tapes, and films. The paper rolls rolled by the paper reel are relatively soft, and there may be damage or breakage inside, uneven edges on both sides, and paper width. They cannot be directly used in paper processing or printing machines. Most types of paper (such as newsprint, letterpress printing paper, packaging paper, etc.) must be trimmed, slit, and spliced ​​by the rewinder, and rewound on the paper roll core to form finished paper rolls of certain specifications and certain tightness requirements before they can be shipped out of the factory.

[0003] In the prior art, a diaphragm slitting machine cutting roller with application number 201621460284.3 belongs to the field of slitting equipment and has the advantage of being easy to fix the slitting knife. Its technical solution is as follows: it includes a mounting roller, a mounting ring, and a slitting knife. The slitting knife is fixed on the outer circumferential side of the mounting ring. The slitting knife can be conveniently moved on the mounting roller to adjust the film cutting width. The mounting ring is convenient to fix and disassemble, which is convenient for people to adjust. However, the slitting knife is inconvenient to adjust, the adjustment accuracy is poor, and it is not convenient to install and fix the cutting blade. Utility Model Content

[0004] The utility model aims to provide a material cutting mechanism for a rewinding machine, so as to solve the problems in the prior art that the slitting knife is inconvenient to adjust, the adjustment accuracy is poor, and the cutting blade is inconvenient to install and fix.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting mechanism of a rewinding machine, comprising a cutting roller, a cavity is opened inside the cutting roller, and a screw is rotatably provided in the middle of the cavity, a limit slide is threadedly provided on the outer side of the screw, a detachable cutting blade is provided on the outer side of the limit slide through a support plate and a positioning mechanism, the cutting blade is slidably sleeved on the outer side of the cutting roller, one end of the screw is connected to an adjusting shaft through a gear set, and one end of the adjusting shaft is provided with an adjusting disk.

[0006] Furthermore, limiting sliding holes are provided on both sides of the cavity, and the support plate and the limiting sliding holes are slidably arranged.

[0007] Furthermore, the cutting blade is configured as an annular blade, and the inner diameter of the cutting blade is greater than the outer diameter of the cutting roller.

[0008] Furthermore, one end of the support plate is vertically welded to the limiting slide seat, and the support plate is configured as an isosceles trapezoidal plate.

[0009] Furthermore, the positioning mechanism includes a mounting groove arranged inside one end of the support plate, and a positioning column is inserted into the mounting groove, and one end of the positioning column is inserted and matched with the positioning groove on the inner side of the cutting blade.

[0010] Furthermore, a positioning screw is provided at the other end of the positioning column, and one end of the positioning screw is connected and fixed to the outer side wall of the support plate through a gasket and a limiting nut.

[0011] Furthermore, the adjusting disk is rotatably arranged in a groove outside one end of the cutting roller, and an adjusting slot is provided on one side of the adjusting disk.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a detachable cutting blade is arranged in the cavity of the cutting roller through a screw rod, a limit slide, a support plate and a positioning mechanism, so that the cutting blade can be adjusted along the axial direction of the cutting roller by rotating the screw rod, thereby meeting the use and processing of cutting materials at different positions, and the adjustment is convenient and fast with high precision.

[0014] 2. The utility model also provides a detachable cutting blade on the outer side of the limiting slide through a support plate and a positioning mechanism. The positioning mechanism includes a mounting groove arranged inside one end of the support plate, and a positioning column is inserted in the mounting groove, so that the cutting blade can be installed and fixed by cooperating with one end of the positioning column and the positioning groove on the inner side of the cutting blade. The installation and fixation has high stability, is quick and easy to disassemble, and is convenient for replacing the cutting blade.

[0015] 3. The utility model has one end of the screw connected to an adjusting shaft through a gear set, one end of the adjusting shaft is provided with an adjusting disk, and one side of the adjusting disk is provided with an adjusting groove, so that the screw can be easily rotated and adjusted through the adjusting disk and the gear set, and the adjustment is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the cutting roller structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the sliding connection structure between the screw rod and the cutting blade of the utility model;

[0019] Figure 3 This is a schematic diagram of the cutting blade structure of the utility model;

[0020] Figure 4 This is a main cross-sectional view of the internal structure of the cutting roller of the utility model;

[0021] Figure 5 It is an enlarged schematic diagram of the structure at point A of the utility model.

[0022] In the figure: 1. cutting roller; 2. limiting slide hole; 3. cutting blade; 4. cavity; 5. limiting nut; 6. groove; 7. adjusting disk; 8. adjusting slot; 9. limiting slide seat; 10. supporting plate; 11. screw rod; 12. gear set; 13. adjusting shaft; 14. positioning slot; 15. positioning column; 16. mounting slot; 17. positioning screw. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 In the embodiment of the utility model, a rewinding machine cutting mechanism comprises a cutting roller 1, a cavity 4 is opened inside the cutting roller 1, and a screw rod 11 is rotatably arranged in the middle of the cavity 4, a limit slide seat 9 is threadedly arranged on the outer side of the screw rod 11, and a detachable cutting blade 3 is arranged on the outer side of the limit slide seat 9 through a support plate 10 and a positioning mechanism, which is convenient for installing and fixing the cutting blade 3, and the installation and fixing stability is high, and the disassembly and assembly are convenient and fast. The cutting blade 3 is slidably sleeved on the outer side of the cutting roller 1, and one end of the screw rod 11 is connected with an adjusting shaft 13 through a gear set 12, so that the cutting blade 3 can be adjusted along the axial movement of the cutting roller 1 by rotating the screw rod 11, so as to meet the use of cutting materials at different positions, and the adjustment is convenient and fast, with high precision, and an adjusting disk 7 is arranged at one end of the adjusting shaft 13, so that the screw rod can be rotated and adjusted through the adjusting disk 7 and the gear set 12, and the adjustment is convenient and fast.

[0025] Preferably, limiting sliding holes 2 are provided on both sides of the cavity 4, and the support plate 10 is slidably arranged with the limiting sliding holes 2, which is used to perform sliding guiding processing when the cutting blade 3 is moved and adjusted, which is beneficial to improving the stability of the movement and adjustment of the cutting blade 3.

[0026] Preferably, the cutting blade 3 is configured as an annular blade, and the inner diameter of the cutting blade 3 is larger than the outer diameter of the cutting roller 1 , so that the cutting blade 3 can be conveniently slidably mounted on the outer side of the cutting roller 1 .

[0027] Preferably, one end of the support plate 10 is vertically welded to the limiting slide 9, and the support plate 10 is configured as an isosceles trapezoidal plate, so that the cutting blade 3 can be conveniently fixedly mounted on the outside of the limiting slide 9 through the support plate 10, and the stability of the installation is relatively high.

[0028] Preferably, the positioning mechanism includes an installation groove 16 arranged inside one end of the support plate 10, and a positioning column 15 is inserted in the installation groove 16, and a positioning screw 17 is provided at the other end of the positioning column 15, and one end of the positioning screw 17 is connected and fixed to the outer wall of the support plate 10 through a gasket and a limit nut 5, so that the cutting blade 3 can be installed and fixed by inserting and cooperating with one end of the positioning column 15 and the positioning groove 14 on the inner side of the cutting blade 3, and the installation and fixation have high stability, and the disassembly and assembly are convenient and quick, thereby facilitating the replacement of the cutting blade 3.

[0029] Preferably, the adjusting disk 7 is rotatably arranged in the groove 6 outside one end of the cutting roller 1, and an adjusting groove 8 is opened on one side of the adjusting disk 7, so that the screw rod can be easily adjusted by the adjusting disk 7 and the gear set 12, and the adjustment is convenient and quick.

[0030] The working principle and use process of the utility model are as follows: when in use, the two ends of the cutting roller 1 are installed on the cutting position of the machine body through the rotating shaft, and one end of the rotating shaft is connected to the cutting motor through the belt gear group transmission, and the cutting motor drives the rotating shaft to rotate at a constant speed to perform cutting processing. In addition, since a detachable cutting blade 3 is provided in the cavity 4 of the cutting roller 1 through the screw rod 11, the limiting slide seat 9, the support plate 10 and the positioning mechanism, the cutting blade 3 can be adjusted and processed along the axial movement of the cutting roller 1 by rotating the screw rod 11, thereby meeting the use and processing of cutting materials at different positions, and the adjustment is convenient and fast with high precision.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A material cutting mechanism for a rewinding machine, comprising a material cutting roller (1), characterized in that: The cutting roller (1) is provided with a cavity (4) inside, and a screw rod (11) is rotatably provided in the middle of the cavity (4); a limit slide seat (9) is provided on the outer side of the screw rod (11) in a threaded manner; a detachable cutting blade (3) is provided on the outer side of the limit slide seat (9) via a support plate (10) and a positioning mechanism; the cutting blade (3) is slidably sleeved on the outer side of the cutting roller (1); one end of the screw rod (11) is connected to an adjustment shaft (13) via a gear set (12); and one end of the adjustment shaft (13) is provided with an adjustment disk (7).

2. A material cutting mechanism for a rewinding machine according to claim 1, characterized in that: Limiting sliding holes (2) are provided on both sides of the cavity (4), and the support plate (10) and the limiting sliding holes (2) are slidably arranged.

3. A material cutting mechanism for a rewinding machine according to claim 1, characterized in that: The cutting blade (3) is configured as an annular blade, and the inner diameter of the cutting blade (3) is greater than the outer diameter of the cutting roller (1).

4. A material cutting mechanism for a rewinding machine according to claim 1, characterized in that: One end of the support plate (10) is vertically welded to the limiting slide seat (9), and the support plate (10) is configured as an isosceles trapezoidal plate.

5. A material cutting mechanism for a rewinding machine according to claim 1, characterized in that: The positioning mechanism comprises a mounting groove (16) arranged inside one end of the support plate (10), and a positioning column (15) is inserted into the mounting groove (16), and one end of the positioning column (15) is inserted and matched with the positioning groove (14) inside the cutting blade (3).

6. A material cutting mechanism for a rewinding machine according to claim 5, characterized in that: The other end of the positioning column (15) is provided with a positioning screw (17), and one end of the positioning screw (17) is connected and fixed to the outer wall of the support plate (10) via a gasket and a limiting nut (5).

7. A material cutting mechanism for a rewinding machine according to claim 1, characterized in that: The adjusting disk (7) is rotatably arranged in a groove (6) outside one end of the cutting roller (1), and an adjusting groove (8) is provided on one side of the adjusting disk (7).

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