Cutting device of splitting machine

Abstract

The utility model discloses a cutting device of a splitting machine, belongs to the technical field of slitting and film cutting, and solves the problems that a rotating ring of a cutter swinging mechanism of an existing device is sleeved on an upper cutter roller, the cutter swinging mechanism is easy to move, and then a circular cutter head cannot continue to carry out splitting work. An upper knife roll is fixedly mounted on the side wall of the mounting frame, a lower knife roll is arranged below the upper knife roll, the two ends of the lower knife roll are rotationally arranged on the side wall of the mounting frame in a sleeving mode through bearing rings, a cutting mechanism is arranged on the outer surface of the upper knife roll, and a mounting ring can be limited and fixed through a first fastening bolt. And the situation that the cutting mechanism deviates in the machining process is avoided, a second fastening bolt is arranged in a first threaded hole and a second threaded hole in a threaded sleeving mode, so that a mounting plate is conveniently fixed in a first mounting groove, the mounting plate is conveniently disassembled, and the mounting plate and the cutting disc are conveniently replaced in time.

Description

Technical Field

[0001] The utility model relates to the technical field of strip film cutting, in particular to a cutting device for a slitting machine. Background Art

[0002] The slitting machine is a cutting device that cuts the strip longitudinally into several strips of required specifications. The film is a polymer material. During the film processing, a slitting machine is needed to cut the entire roll of film into several films of smaller widths.

[0003] After searching, the application with patent number CN201720022655.8 discloses a cutting device of a slitting machine, including a bracket, an upper knife roller and a lower knife roller arranged below the upper knife roller, the upper knife roller and the lower knife roller are both rotatably connected to the bracket, the upper knife roller is provided with a plurality of reversible swinging knife mechanisms, the lower knife roller is provided with a plurality of lower knife rings, and the swinging knife mechanisms cooperate with the lower knife rings to cut the rubber film;

[0004] Although the cutting device of the slitting machine facilitates timely replacement of the faulty circular blade disc through the swinging knife mechanism and can ensure the continuity of the entire cutting process, the fixing ring of the swinging knife mechanism of the cutting device of the slitting machine is mounted on the upper knife roller, which can easily cause the swinging knife mechanism to move, thereby causing the circular blade disc to be unable to continue the slitting work.

[0005] Therefore, we propose a slitting machine cutting device. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a cutting device for a slitting machine, which solves the problem that the rotating circle of the swinging knife mechanism of the prior device is mounted on the upper knife roller, which easily causes the swinging knife mechanism to move, thereby causing the circular knife disc to be unable to continue the slitting work.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a slitting machine cutting device, comprising two mounting frames fixedly mounted on the slitting machine, an upper knife roller is fixedly mounted on the side wall of the mounting frame, a lower knife roller is arranged below the upper knife roller, and both ends of the lower knife roller are rotatably sleeved on the side wall of the mounting frame through a bearing ring;

[0008] The outer surface of the upper knife roller is provided with a cutting mechanism;

[0009] The cutting mechanism includes a mounting ring slidably mounted on the outer surface of the upper knife roller, a connecting plate is fixedly mounted on the arc surface of the mounting ring, a disc knife is arranged at one end of the connecting plate away from the mounting ring, a limiting groove is arranged on the arc surface of the upper knife roller, a third threaded hole matching the limiting groove is arranged on the arc surface of the mounting ring, a first fastening bolt is mounted on the internal thread of the third threaded hole, and the end of the first fastening bolt is in close contact with the bottom surface of the limiting groove.

[0010] Preferably, multiple groups of the cutting mechanism can be added, and a first mounting groove is formed through the end of the connecting plate away from the mounting ring, and a first threaded hole is formed through the side wall of the first mounting groove, and an internal movable sleeve of the first mounting groove is provided with a mounting plate matching it, wherein, when a certain cutting mechanism is damaged, the damaged cutting mechanism can be flipped backwards so that it overlaps the surface of the supporting roller, and the cutting mechanism with intact function can be moved to the working position, and the mounting plate can be fixed conveniently through the first mounting groove.

[0011] Preferably, a second threaded hole matching the first threaded hole is penetrated through the side wall of the mounting plate, and the second threaded hole and the internal threads of the first threaded hole are sleeved with a second fastening bolt, wherein the second fastening bolt is threadedly sleeved inside the first threaded hole and the second threaded hole, so that the mounting plate and the connecting plate can be connected together and the mounting plate can be easily disassembled.

[0012] Preferably, a second mounting groove is formed through one end of the mounting plate away from the connecting plate, and a disc knife is arranged inside the second mounting groove, wherein the disc knife is conveniently installed through the mounting plate.

[0013] Preferably, a connecting rod is fixedly mounted in the middle of the disc cutter, and both ends of the connecting rod are rotatably mounted on the side walls of the second mounting groove through bearing rings, wherein the disc cutter is convenient for cutting the film, and the disc cutter can rotate to increase the efficiency of cutting the film.

[0014] Preferably, the surface of the lower knife roller is fixedly mounted with five lower knife rings distributed in an array, and the arc surface of the lower knife ring is provided with a limiting groove matching the disc knife, wherein the disc knife and the limiting groove cooperate with each other to facilitate cutting of the film, and the limiting groove can limit the cutting mechanism.

[0015] Preferably, a supporting roller flush with the upper knife roller is arranged behind the upper knife roller, and both ends of the supporting roller are fixedly mounted on the side walls of the mounting frame, and a supporting surface is provided on the top surface of the supporting roller, and the spacing between the upper knife roller and the supporting surface matches the length of the connecting plate, wherein, when the cutting mechanism is damaged, the first fastening bolt can be unscrewed, and the cutting mechanism can be flipped backwards so that the connecting plate overlaps the supporting surface of the top surface of the supporting roller, which is convenient for repairing the cutting mechanism and will not affect the processing process.

[0016] The utility model provides a cutting device for a slitting machine. It has the following beneficial effects:

[0017] 1. The cutting device of the slitting machine can limit and fix the mounting ring by threading the first fastening bolt into the third threaded hole, and making the end of the first fastening bolt abut against the bottom surface of the limiting groove, thereby avoiding the deviation of the cutting mechanism during the processing. The second fastening bolt is threadedly mounted inside the first threaded hole and the second threaded hole, so that the mounting plate can be fixed inside the first mounting groove and the mounting plate can be disassembled. When the disc knife is damaged, the mounting plate and the disc knife can be replaced in time, which solves the problem that the rotating ring of the swinging knife mechanism of the existing device is mounted on the upper knife roller, which easily causes the swinging knife mechanism to move, and then causes the disc knife to be unable to continue the slitting work.

[0018] 2. The cutting device of the slitting machine is provided with a supporting roller behind the upper knife roller, and a supporting surface is provided on the top surface of the supporting roller. When the cutting mechanism is damaged, the cutting mechanism can be rotated backward so that the connecting plate overlaps the supporting surface, which is convenient for repairing the cutting mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the cutting mechanism structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the split structure of the cutting mechanism of the utility model.

[0023] In the figure: 1. mounting frame; 2. upper knife roller; 3. limiting groove; 4. supporting roller; 5. supporting surface; 6. lower knife roller; 7. lower knife ring; 8. limiting groove; 9. cutting mechanism; 91. mounting ring; 92. connecting plate; 93. first mounting groove; 94. first threaded hole; 95. mounting plate; 96. second mounting groove; 97. second threaded hole; 98. disc knife; 99. connecting rod; 910. third threaded hole; 911. first fastening bolt; 912. second fastening bolt. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1:

[0026] like Figure 1-4 As shown: it includes two mounting frames 1 fixedly mounted on the slitting machine, an upper knife roller 2 is fixedly mounted on the side wall of the mounting frame 1, a lower knife roller 6 is arranged below the upper knife roller 2, and both ends of the lower knife roller 6 are rotatably sleeved on the side wall of the mounting frame 1 through bearing rings, a cutting mechanism 9 is arranged on the outer surface of the upper knife roller 2, and the cutting mechanism 9 includes a mounting ring 91 slidably sleeved on the outer surface of the upper knife roller 2, a connecting plate 92 is fixedly mounted on the arc surface of the mounting ring 91, and a disc knife 98 is arranged on the end of the connecting plate 92 away from the mounting ring 91, and the arc surface of the upper knife roller 2 is provided with The limiting groove 3, the arc surface of the mounting ring 91 is provided with a third threaded hole 910 matching the limiting groove 3, the internal thread of the third threaded hole 910 is sleeved with a first fastening bolt 911, and the end of the first fastening bolt 911 is in close contact with the bottom surface of the limiting groove 3. The cutting mechanism 9 can be provided with multiple groups, and the end of the connecting plate 92 away from the mounting ring 91 is penetrated with a first mounting groove 93, and the side wall of the first mounting groove 93 is penetrated with a first threaded hole 94, and the internal movable sleeve of the first mounting groove 93 is provided with a mounting plate 95 matching it. The side wall of the mounting plate 95 is penetrated with a second threaded hole 97 matching the first threaded hole 94, and the second threaded hole 97 and the internal thread of the first threaded hole 94 are sleeved with a second fastening bolt 912. The end of the mounting plate 95 away from the connecting plate 92 is penetrated with a second mounting groove 96, and a disc knife 98 is arranged inside the second mounting groove 96. The middle part of the disc knife 98 is fixedly sleeved with a connecting rod 99. The two ends of the connecting rod 99 are rotatably sleeved on the side wall of the second mounting groove 96 through the bearing ring, and are threadedly sleeved by the first fastening bolt 911. The end of the first fastening bolt 911 is placed inside the third threaded hole 910 and abutted against the bottom surface of the limiting groove 3, so that the mounting ring 91 can be fixed in a limited position, thereby preventing the cutting mechanism 9 from shifting during the processing. The second fastening bolt 912 is threadedly sleeved inside the first threaded hole 94 and the second threaded hole 97, so that the mounting plate 95 can be fixed inside the first mounting groove 93 and the mounting plate 95 can be removed. When the disc cutter 98 is damaged, the mounting plate 95 and the disc cutter 98 can be replaced in time.

[0027] Embodiment 2:

[0028] like Figure 1-2As shown: the surface of the lower knife roller 6 is fixedly sleeved with five lower knife rings 7 distributed in an array, the arc surface of the lower knife ring 7 is provided with a limiting groove 8 matching the disc knife 98, and a supporting roller 4 flush with the upper knife roller 2 is arranged behind the upper knife roller 2, both ends of the supporting roller 4 are fixedly installed on the side walls of the mounting frame 1, and a supporting surface 5 is provided on the top surface of the supporting roller 4, and the spacing between the upper knife roller 2 and the supporting surface 5 matches the length of the connecting plate 92. By arranging the supporting roller 4 behind the upper knife roller 2 and providing the supporting surface 5 on the top surface of the supporting roller 4, when the cutting mechanism 9 is damaged, the cutting mechanism 9 can be rotated backward so that the connecting plate 92 overlaps the supporting surface 5, which is convenient for repairing the cutting mechanism 9, and the disc knife 98 cooperates with the limiting groove 8 to facilitate cutting of the film, and the limiting groove 8 can limit the cutting mechanism 9.

[0029] Working principle and use process of the utility model: When using the cutting device of the slitting machine, first fix the mounting frame 1 on the slitting machine, then flatten the film and spread it on the surface of the lower knife roller 6, and then continuously pull the film outward. In the process of pulling the film outward, the disc knife 98 and the limiting groove 8 cooperate with each other to cut the film. During the cutting process, the first fastening bolt 911 passes through the third threaded hole 910 and makes its end abut against the bottom surface of the limiting groove 3, so that the mounting ring 91 can be limited and fixed to avoid the movement of the cutting mechanism 9 during the processing.

[0030] 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.

[0031] 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 slitting machine cutting device, comprising two mounting frames (1) fixedly mounted on the slitting machine, an upper knife roller (2) being fixedly mounted on the side wall of the mounting frame (1), a lower knife roller (6) being arranged below the upper knife roller (2), and two ends of the lower knife roller (6) being rotatably sleeved on the side wall of the mounting frame (1) through bearing rings; Features: The outer surface of the upper knife roller (2) is provided with a cutting mechanism (9); The cutting mechanism (9) comprises a mounting ring (91) which is slidably mounted on the outer surface of the upper knife roller (2); a connecting plate (92) is fixedly mounted on the arc surface of the mounting ring (91); a disc knife (98) is arranged at one end of the connecting plate (92) away from the mounting ring (91); a limiting groove (3) is provided on the arc surface of the upper knife roller (2); a third threaded hole (910) matching the limiting groove (3) is provided on the arc surface of the mounting ring (91); a first fastening bolt (911) is mounted on the internal thread of the third threaded hole (910); and the end of the first fastening bolt (911) is in close contact with the bottom surface of the limiting groove (3).

2. A slitting machine cutting device according to claim 1, characterized in that: The cutting mechanism (9) can be provided in multiple groups. A first mounting groove (93) is formed through one end of the connecting plate (92) away from the mounting ring (91). A first threaded hole (94) is formed through the side wall of the first mounting groove (93). A mounting plate (95) matching the first mounting groove (93) is movably sleeved inside the first mounting groove (93).

3. A slitting machine cutting device according to claim 2, characterized in that: A second threaded hole (97) matching the first threaded hole (94) is formed through the side wall of the mounting plate (95), and the second threaded hole (97) and the internal threads of the first threaded hole (94) are provided with a second fastening bolt (912).

4. A slitting machine cutting device according to claim 2, characterized in that: A second mounting groove (96) is formed through one end of the mounting plate (95) away from the connecting plate (92), and a disc knife (98) is arranged inside the second mounting groove (96).

5. A slitting machine cutting device according to claim 4, characterized in that: A connecting rod (99) is fixedly mounted on the middle of the circular knife (98), and two ends of the connecting rod (99) are rotatably mounted on the side walls of the second mounting groove (96) through bearing rings.

6. A slitting machine cutting device according to claim 1, characterized in that: The surface of the lower knife roller (6) is fixedly sleeved with five lower knife rings (7) distributed in an array, and the arc surface of the lower knife ring (7) is provided with a limiting groove (8) matching the disc knife (98).

7. The slitting machine cutting device according to claim 1, characterized in that: A support roller (4) flush with the upper knife roller (2) is arranged behind the upper knife roller (2), the two ends of the support roller (4) are fixedly mounted on the side walls of the mounting frame (1), and a support surface (5) is provided on the top surface of the support roller (4), and the distance between the upper knife roller (2) and the support surface (5) matches the length of the connecting plate (92).

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