Film slitting device

Abstract

The utility model provides a film slitting device, which belongs to the technical field of film slitting and comprises a supporting plate and a supporting rod arranged on the side edge of the supporting plate, two first rotating plates are arranged on the supporting rod, second rotating plates are arranged at the ends of the two first rotating plates, and the axes of the two second rotating plates are located on the same axis. First positioning rods are further connected to the axes of the two second rotating plates, third rotating plates are arranged at one ends of the two second rotating plates, the axes of the two third rotating plates are located on the same axis, second positioning rods are further connected to the axes of the two third rotating plates, and fourth rotating plates are further arranged at one ends of the two third rotating plates; the end parts of the two fourth rotating plates are connected with third positioning rods; movable blocks are arranged at the bottoms of the first positioning rod, the second positioning rod and the third positioning rod, and cutting knives are arranged on the movable blocks; a threaded rod is further arranged on the supporting plate; a guide block is arranged at the top of the third positioning rod; according to the utility model, the distance between every two adjacent cutting knives can be conveniently adjusted, so that the time required for dismounting, mounting and debugging is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of material handling equipment, in particular to a film slitting device. Background Art

[0002] Film slitting devices play a crucial role in packaging and other film laminating industries. They can slit various film materials such as polyester films, aluminized films, BOPP, LDPE, HDPE, LLDPE, PP, etc. into corresponding sizes to meet diverse market demands.

[0003] After retrieval, a film slitting machine disclosed in the publication number CN213505135U is provided with a rotating plate, and a plurality of cutting wheels are arranged on the rotating plate in an array. Thus, the plurality of cutting wheels can cut the film, and the widths of the cut films are all kept consistent.

[0004] Although the above-mentioned device can cut the film, when it is necessary to change the width of the film, each cutting wheel needs to be disassembled from the rotating plate and reinstalled, and the positions of each cutting wheel need to be adjusted so that the distance between every two cutting wheels is kept consistent. The processes of disassembly, installation and adjustment will waste a long time, and it is difficult to accurately control the distance between every two adjacent cutting wheels. If the distance between every two adjacent cutting wheels is not accurately adjusted, the quality of the cut film will not meet the expected standard. Summary of the Utility Model

[0005] In view of this, the utility model provides a film slitting device, which can facilitate the adjustment of the distance between every two adjacent cutting knives, thereby reducing the time required for disassembly, installation and adjustment.

[0006] To solve the above technical problems, the present utility model provides a film slitting device, which includes a support plate and a support rod arranged on the side of the support plate. The support rod is of an L-shaped structure. Two first rotating plates are hinged on the support rod, and the two first rotating plates can rotate on the support rod. Second rotating plates are hinged at the ends of the two first rotating plates, and the ends of the second rotating plates can rotate at the ends of the first rotating plates. The axes of the two second rotating plates are located on the same axis. A first positioning rod is also connected by a bearing at the axis of the two second rotating plates. When the two second rotating plates rotate, they can drive the first positioning rod to displace. Third rotating plates are hinged at the ends of the two second rotating plates away from the first rotating plates, and the third rotating plates can rotate at the ends of the second rotating plates. The axes of the two third rotating plates are located on the same axis. A second positioning rod is also connected by a bearing at the axis of the two third rotating plates. When the third rotating plates rotate, they can drive the second positioning rod to displace. Fourth rotating plates are provided at the ends of the two third rotating plates away from the second rotating plates, and the fourth rotating plates can rotate at the ends of the third rotating plates. Third positioning rods are connected by bearings at the ends of the two fourth rotating plates. When the fourth rotating plates rotate, they can drive the third positioning rods to displace; movable blocks are provided at the bottoms of the first positioning rod, the second positioning rod, and the third positioning rod. When the first positioning rod, the second positioning rod, and the third positioning rod move, they can all drive the movable blocks to move. Cutting knives are provided on the movable blocks. When the movable blocks move, they can drive the cutting knives to move; a threaded rod is also provided on the support plate through a bearing, and the threaded rod can rotate on the support plate. A guide block is provided at the top of the third positioning rod, and the threaded rod is in threaded fit connection with the guide block. When the threaded rod rotates, it can drive the guide block to move.

[0007] A sliding rod is also provided on the support plate. The sliding rod is arranged parallel to the threaded rod, and the sliding rod is in sliding fit connection with the first positioning rod, the second positioning rod, and the third positioning rod. The sliding rod can guide the first positioning rod, the second positioning rod, and the third positioning rod.

[0008] A clamping block is also provided at the end of the threaded rod away from the support plate. The clamping block can prevent the guide block from falling off the threaded rod.

[0009] An actuating member is also provided at the end of the threaded rod away from the clamping block. It is convenient to apply force to the clamping block through the actuating member.

[0010] A first through hole is provided on the cutting knife, and the first through hole penetrates through the cutting knife. A second through hole corresponding to the first through hole is provided on the movable block, and the second through hole penetrates through the movable block. The cutting knife is connected to the movable block by inserting bolts into the first through hole and the second through hole. It is convenient to install or disassemble the cutting knife through the bolts.

[0011] The first through hole is an oblong hole, which is convenient for adjusting the vertical height of the cutting knife on the movable block.

[0012] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0013] 1. By rotating the threaded rod, the distance between multiple movable blocks can be indirectly adjusted, so that the distance between every two adjacent movable blocks can be kept consistent. Furthermore, the distance between every two adjacent cutting knives can be indirectly kept consistent, thus reducing the time required for cutting knife debugging and improving the working efficiency during the position debugging of the cutting knives.

[0014] 2. The cutting knife can be easily disassembled or installed through bolts, and the first perforation is set as an oblong hole, which is convenient for the up-and-down height of the cutting knife on the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a film slitting device of the present utility model;

[0016] Figure 2 is a schematic structural diagram of a side view of the present utility model;

[0017] Figure 3 is of the present utility model Figure 2 a schematic structural diagram of part A.

[0018] DESCRIPTION OF THE REFERENCE NUMERALS:

[0019] 100, support plate; 101, threaded rod; 102, sliding rod; 103, guiding block; 104, clamping block; 105, force-applying member;

[0020] 200, support rod; 201, first rotating plate; 202, second rotating plate; 203, first positioning rod; 204, third rotating plate; 205, second positioning rod; 206, fourth rotating plate; 207, third positioning rod;

[0021] 300, movable block; 301, first perforation; 302, second perforation; 303, cutting knife. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model. Figures 1-3 The effects of the solutions are as

[0023] The solution effects are as Figures 1-3As shown in the figure, it includes a support plate 100 and support rods 200 arranged on the side of the support plate 100. The support rods 200 are in an L-shaped structure and are fixedly arranged on the side of the support plate 100. Two first rotating plates 201 are respectively arranged on the support rods 200 through bearings. The two first rotating plates 201 can rotate on the support rods 200. One ends of the two first rotating plates 201 far from the support rods 200 are respectively provided with second rotating plates 202 through hinges. The axes of the two second rotating plates 202 intersect with each other, and a first positioning rod 203 is also connected between the axes of the two second rotating plates 202 through a bearing. The two second rotating plates 202 can rotate on the first positioning rod 203, and when the two second rotating plates 202 rotate, they can drive the first positioning rod 203 to displace. One ends of the two second rotating plates 202 far from the first rotating plates 201 are also provided with third rotating plates 204 through hinges. The third rotating plates 204 can rotate at the ends of the second rotating plates 202. The axes of the two third rotating plates 204 intersect with each other, and a second positioning rod 205 is vertically connected between the axes of the two third rotating plates 204 through a bearing. The two third rotating plates 204 can rotate on the second positioning rod 205, and when the two third rotating plates 204 rotate, they can also drive the second positioning rod 205 to displace. One ends of the two third rotating plates 204 far from the second rotating plates 202 are also provided with fourth rotating plates 206 through hinges. The ends of the two fourth rotating plates 206 far from the third rotating plates 204 are arranged in a staggered manner. The ends of the two fourth rotating plates 206 far from the third rotating plates 204 are also vertically provided with a third positioning rod 207 through a hinge. The two fourth rotating plates 206 can rotate on the third positioning rod 207, and when the fourth rotating plates 206 rotate, they can drive the third positioning rod to displace;

[0024] In this embodiment, the lengths of the third rotating plates 204 and the fourth rotating plates 206 are the same, and the lengths of the first rotating plates 201 and the second rotating plates 202 are half of the lengths of the third rotating plates 204 or the fourth rotating plates 206. Thus, when one of the rotating plates rotates, it can simultaneously cause the first rotating plates 201, the second rotating plates 202, the third rotating plates 204, and the fourth rotating plates 206 to rotate, and further can cause the first positioning rod 203, the second positioning rod 205, and the third positioning rod 207 to displace simultaneously. Therefore, no matter how the rotating plates rotate, the distance between two adjacent positioning rods always remains the same;

[0025] Moving blocks 300 are arranged at the bottoms of the first positioning rod 203, the second positioning rod 205, and the third positioning rod 207. A cutting knife 303 is connected to the moving blocks 300. Thus, when the positioning rods displace, they can drive the cutting knife 303 to displace, and further the distance between every two adjacent cutting knives 303 can be the same;

[0026] Above the third positioning rod 207, there is also a guiding block 103. Corresponding to the guiding block 103, a threaded rod 101 is horizontally arranged on the support plate 100 through a bearing. The threaded rod 101 is in threaded cooperation with the guiding block 103, that is, a threaded hole corresponding to the threaded rod 101 is provided on the guiding block 103. The threaded rod 101 passes through the threaded hole and is connected to the guiding block 103. That is, when the threaded rod 101 rotates, it can drive the guiding block 103 to move back and forth along the direction of the threaded rod 101. When the guiding block 103 moves, it can drive the displacement of multiple positioning rods and the rotation of multiple rotating plates, thereby indirectly changing the distance between multiple cutting knives 303.

[0027] When it is necessary to change the cutting width of the film, rotating the threaded rod 101 can make the guiding block 103 move back and forth along the direction of the threaded rod 101. The guiding block 103 can drive multiple movable blocks 300 to move through multiple positioning rods and rotating plates, thereby changing the distance between every two adjacent cutting knives 303.

[0028] The effect of the solution is as Figure 1 shown,

[0029] A sliding rod 102 is also provided on the support plate 100. The sliding rod 102 is horizontally arranged on the support plate 100 and is located below the threaded rod 101. The sliding rod 102 is in sliding fit connection with the first positioning rod 203, the second positioning rod 205, and the third positioning rod 207. That is, jacks are provided on the first positioning rod 203, the second positioning rod 205, and the third positioning rod 207. The sliding rod 102 passes through multiple jacks and is connected to the first positioning rod 203, the second positioning rod 205, and the third positioning rod 207. Thus, the sliding rod 102 can further provide support for the first positioning rod 203, the second positioning rod 205, and the third positioning rod 207, further improving the operating stability of the equipment.

[0030] The effect of the solution is as Figure 1 shown,

[0031] A clamping block 104 is also provided at one end of the threaded rod 101 away from the support plate 100. The clamping block 104 can limit the guiding block 103, so that when the threaded rod 101 drives the guiding block 103 to move, the guiding block 103 will not fall off the threaded rod 101.

[0032] The effect of the solution is as Figure 1 shown,

[0033] A force-applying member 105 is also provided at one end of the threaded rod 101 away from the clamping block 104. It is convenient to apply force to the threaded rod 101 through the force-applying member 105. In this embodiment, the force-applying member 105 is set as a crank. It is convenient to drive the threaded rod 101 to rotate on the support plate 100 through the crank, and the force-applying member 105 can also be set as other structures convenient for driving the threaded rod 101 to rotate.

[0034] The effects of the solution are as Figure 2 , 3 shown,

[0035] A first through hole 301 is provided through the cutting knife 303. Corresponding to the first through hole 301, a second through hole 302 is provided through the movable block 300. The cutting knife 303 is connected to the movable block 300 by inserting bolts into the first through hole 301 and the second through hole 302. That is, it is convenient to install or disassemble the cutting knife 303 through bolts, and thus it is convenient to replace or maintain the cutting knife 303.

[0036] The effects of the solution are as Figure 2 , 3 shown,

[0037] The first through hole 301 is an oblong hole, which is convenient for adjusting the vertical height of the cutting knife 303 on the movable block 300.

[0038] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] The above is the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle described in the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A film slitting device, characterized in that: The invention comprises a support plate (100) and a support rod (200) arranged on the side of the support plate (100), wherein the support rod (200) is provided with two first rotating plates (201) by hinge connection, and the ends of the two first rotating plates (201) are provided with second rotating plates (202) by hinge connection, and the axes of the two second rotating plates (202) are located on the same axis, and the axes of the two second rotating plates (202) are also connected to first positioning rods (203) by bearings, and the two second rotating plates (202) are separated from each other by a plurality of first positioning rods (203). A third rotating plate (204) is hingedly provided at one end of each of the first rotating plates (201); the axes of the two third rotating plates (204) are located on the same axis; the axes of the two third rotating plates (204) are also connected to a second positioning rod (205) via a bearing; a fourth rotating plate (206) is also provided at one end of the two third rotating plates (204) away from the second rotating plate (202); and the ends of the two fourth rotating plates (206) are connected to a third positioning rod (207) via a bearing; The bottoms of the first positioning rod (203), the second positioning rod (205), and the third positioning rod (207) are all provided with movable blocks (300), and the movable blocks (300) are provided with cutting knives (303); A threaded rod (101) is also provided on the support plate (100) via a bearing, a guide block (103) is provided on the top of the third positioning rod (207), and the threaded rod (101) is threadedly connected to the guide block (103).

2. A film slitting device according to claim 1, characterized in that: The support plate (100) is also provided with a sliding rod (102), and the sliding rod (102) is connected to the first positioning rod (203), the second positioning rod (205), and the third positioning rod (207) in a sliding manner.

3. A film slitting device according to claim 1, characterized in that: A clamping block (104) is also provided on one end of the threaded rod (101) away from the support plate (100).

4. A film slitting device according to claim 3, characterized in that: A force applying member (105) is also provided on one end of the threaded rod (101) away from the clamping block (104).

5. A film slitting device according to claim 1, characterized in that: The cutting knife (303) is provided with a first through hole (301), and a second through hole (302) is provided on the movable block (300) corresponding to the first through hole (301). The cutting knife (303) is connected to the movable block (300) by inserting bolts into the first through hole (301) and the second through hole (302).

6. A film slitting device according to claim 5, characterized in that: The first through hole (301) is an oblong hole.

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