Cutting device of rewinding machine

Abstract

The utility model discloses a cutting device of a rewinding machine, and relates to the technical field of cutting devices. The device comprises a box body, an adjusting mechanism and a configuration mechanism, the adjusting mechanism and the configuration mechanism are arranged on the box body, the adjusting mechanism comprises a first motor fixedly connected to the right side of the box body, and a two-way threaded rod is fixedly connected to an output shaft of the first motor. The adjusting mechanism is arranged, the first motor is started, the two-way threaded rod is driven to rotate after the first motor is started, meanwhile, when the two-way threaded rod rotates, the two sliding blocks on the two-way threaded rod and the first hydraulic cylinders on the two sliding blocks are driven to be close to the adjusting clamp, when the two sliding blocks move to the proper positions, the two first hydraulic cylinders can be started again, and the two hydraulic cylinders are driven to be close to the adjusting clamp. The two first hydraulic cylinders drive the adjusting clamps on the first hydraulic cylinders to move downwards correspondingly, so that the paper rolls of different sizes on the outer wall of the first rotating shaft are limited and fixed, and through the operation, the flexibility and practicability of the device can be greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cutting devices, and particularly relates to a rewinder cutting device. Background Technique

[0002] The rewinder cutting device is an important part of the rewinder, mainly used for precisely cutting paper rolls or other similar coiled materials after rewinding. It usually consists of cutting tools, a drive system, a positioning system, a control system, etc. Its working principle is to accurately determine the cutting position through the positioning system, the drive system provides power for the cutting tools, and the control system coordinates the operation of each part to achieve neat and precise cutting of the coiled material according to the preset size and specifications, so as to meet different production and use requirements.

[0003] In the actual use process of the existing rewinder cutting device, obvious defects have emerged, that is, it cannot effectively limit and fix paper rolls and other items of different sizes. Due to the lack of this flexible limit and fixation function, in some production scenarios where it is necessary to frequently replace paper rolls of different sizes for cutting, the existing device cannot quickly adapt to and fix paper rolls of different specifications, which easily leads to low production efficiency and increased production costs. At the same time, when cutting the paper roll, it is also difficult to accurately control the cutting position and size, resulting in the inability to smoothly cut the paper roll. Content of the Utility Model

[0004] The purpose of the utility model is to provide a rewinder cutting device, which solves the obvious defects that it cannot effectively limit and fix paper rolls and other items of different sizes. Due to the lack of this flexible limit and fixation function, in some production scenarios where it is necessary to frequently replace paper rolls of different sizes for cutting, the existing device cannot quickly adapt to and fix paper rolls of different specifications, which easily leads to low production efficiency and increased production costs. At the same time, when cutting the paper roll, it is also difficult to accurately control the cutting position and size, resulting in the inability to smoothly cut the paper roll.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a rewinder cutting device, including a box body and an adjustment mechanism and a configuration mechanism arranged on the box body;

[0007] The adjustment mechanism includes a first motor fixedly connected to the right side of the box body. A bidirectional threaded rod is fixedly connected to the output shaft of the first motor. The bidirectional threaded rod penetrates through the box body and is rotatably connected to the box body. Two sliders are threadedly sleeved on the outer wall of the bidirectional threaded rod. A limiting rod is fixedly connected to the inner wall of the box body. The limiting rod penetrates through the two sliders and is slidably connected to the two sliders. Hydraulic cylinders I are fixedly connected to the bottoms of the two sliders. The output shafts of the two hydraulic cylinders I are fixedly connected with adjustment jigs. Two U-shaped blocks are fixedly connected to the top of the box body. A sliding rod is fixedly connected to the side of the two U-shaped blocks close to each other. A plurality of cutting knives are slidably sleeved on the outer wall of the sliding rod. All the cutting knives are in contact with the third rotating shaft. Hydraulic cylinders III are fixedly connected to the two U-shaped blocks. Slide rails are fixedly connected to the output shafts of the two hydraulic cylinders III. A folding rod assembly is slidably connected to the two slide rails. The folding rod assembly is hinged to the plurality of cutting knives.

[0008] Further, the configuration mechanism includes a second motor fixedly connected to the right side of the box body. A first rotating shaft is fixedly connected to the output shaft of the second motor. The first rotating shaft penetrates through the box body and is rotatably connected to the box body.

[0009] Further, a second rotating shaft is rotatably connected to the inside of the box body. The right end of the second rotating shaft extends outside the box body. A third rotating shaft is rotatably connected to the inside of the box body. The right end of the third rotating shaft extends outside the box body. Pulley wheels are fixedly sleeved on the outer walls of the first rotating shaft, the second rotating shaft and the third rotating shaft. A belt is wound around the outer walls of the plurality of pulley wheels.

[0010] Further, two rotating rods are rotatably connected to the left side of the box body. A first rotating block is rotatably connected to each of the two rotating rods. Limiting grooves are formed in the two rotating rods. The two limiting grooves are adapted to the first rotating shaft and the second rotating shaft.

[0011] Further, two second rotating blocks are rotatably connected to the left side of the box body. Hydraulic cylinders II are fixedly connected to the tops of the two second rotating blocks. The output shafts of the two hydraulic cylinders II are fixedly connected to the two first rotating blocks.

[0012] Further, a plurality of dampers are fixedly connected to the bottom of the box body. The bottoms of the plurality of dampers are fixedly connected with bases. Springs are wound around the outer walls of the plurality of dampers. One ends of the plurality of springs are fixedly connected to the box body, and the other ends of the plurality of springs are fixedly connected to the plurality of bases.

[0013] The utility model has the following beneficial effects:

[0014] (1) The utility model improves the flexibility and practicability of the device greatly by setting an adjustment mechanism. When the first motor is started, the two-way threaded rod will rotate. At the same time, when the two-way threaded rod rotates, it will drive the two sliders on it, as well as the first hydraulic cylinders and the adjustment jigs on the two sliders, to move closer to each other. When the two sliders move to appropriate positions, the two first hydraulic cylinders can be started, and the two first hydraulic cylinders will drive the adjustment jigs on them to move downward respectively, so as to limit and fix paper rolls with different sizes on the outer wall of the first rotating shaft. Through this operation, the flexibility and practicability of the device can be greatly improved.

[0015] (2) The utility model improves the versatility and adaptability of the equipment by setting a configuration mechanism. When the distance between the cutting knives needs to be adjusted, the two second hydraulic cylinders can be started. The two second hydraulic cylinders will cooperate with the slide rails on them to fold the folding rod assembly. Moreover, during the folding process of the folding rod assembly, it can synchronously drive the multiple cutting knives on it to slide on the outer wall of the slide rod for distance adjustment. Through this setting, it is beneficial to meet the cutting requirements of paper rolls with different specifications.

[0016] Of course, when implementing any product of the utility model, it is not necessarily required to achieve all the above-mentioned advantages simultaneously. Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the configuration mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the configuration mechanism of the utility model;

[0022] Figure 5 It is of the utility model Figure 2 A partial enlarged schematic diagram of A in the utility model;

[0023] Figure 6 It is of the utility model Figure 3 A partial enlarged schematic diagram of B in the utility model;

[0024] Figure 7 It is of the utility model Figure 3Partial enlarged schematic diagram of C.

[0025] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0026] 1. Box body; 2. Adjusting mechanism; 3. Configuration mechanism; 21. Motor 1; 22. Bidirectional threaded rod; 23. Slide block; 24. Limit rod; 25. Hydraulic cylinder 1; 26. Adjusting fixture; 31. Motor 2; 32. Rotating shaft 1; 33. Rotating shaft 2; 34. Rotating shaft 3; 35. Pulley; 36. Belt; 37. Rotating rod; 38. Rotating block 1; 39. Limit groove; 391. Rotating block 2; 392. Hydraulic cylinder 2; 393. U-shaped block; 394. Slide rod; 395. Cutting knife; 396. Hydraulic cylinder 3; 397. Slide rail; 398. Folding rod assembly; 399. Damper; 3991. Base; 3992. Spring. Specific implementation mode

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figure 1-7 As shown, the present invention is a rewinder cutting device, including a box body 1 and an adjusting mechanism 2 and a configuration mechanism 3 arranged on the box body 1;

[0029] The adjusting mechanism 2 includes a motor 1 21 fixedly connected to the right side of the box body 1. A bidirectional threaded rod 22 is fixedly connected to the output shaft of the motor 1 21. The bidirectional threaded rod 22 penetrates through the box body 1 and is rotatably connected to the box body 1. Two slide blocks 23 are threadedly sleeved on the outer wall of the bidirectional threaded rod 22. A limit rod 24 is fixedly connected to the inner wall of the box body 1. The limit rod 24 penetrates through the two slide blocks 23 and is slidably connected to the two slide blocks 23. Hydraulic cylinders 1 25 are fixedly connected to the bottoms of the two slide blocks 23. Output shafts of the two hydraulic cylinders 1 25 are fixedly connected with adjusting fixtures 26. Two U-shaped blocks 393 are fixedly connected to the top of the box body 1. A slide rod 394 is fixedly connected to the side of the two U-shaped blocks 393 close to each other. A plurality of cutting knives 395 are slidably sleeved on the outer wall of the slide rod 394. The plurality of cutting knives 395 are all in contact with the rotating shaft 3 34. Hydraulic cylinders 3 396 are fixedly connected to the two U-shaped blocks 393. Slide rails 397 are fixedly connected to the output shafts of the two hydraulic cylinders 3 396. A folding rod assembly 398 is slidably connected to the two slide rails 397. The folding rod assembly 398 is hingedly connected to the plurality of cutting knives 395.

[0030] The configuration mechanism 3 includes a second motor 31 fixedly connected to the right side of the box body 1. A first rotating shaft 32 is fixedly connected to the output shaft of the second motor 31. The first rotating shaft 32 penetrates through the box body 1 and is rotatably connected to the box body 1.

[0031] By starting the second motor 31, after the second motor 31 starts, it will drive the first rotating shaft 32 and the pulley 35 to rotate synchronously. At the same time, when the first rotating shaft 32 rotates, it will drive the paper roll thereon to be released, preparing for the cutting operation.

[0032] A second rotating shaft 33 is rotatably connected inside the box body 1. The right end of the second rotating shaft 33 extends outside the box body 1. A third rotating shaft 34 is rotatably connected inside the box body 1. The right end of the third rotating shaft 34 extends outside the box body 1. Pulley 35 is fixedly sleeved on the outer walls of the first rotating shaft 32, the second rotating shaft 33, and the third rotating shaft 34. A belt 36 is wound around the outer walls of several pulleys 35.

[0033] When the pulley 35 rotates, it will cooperate with the other two pulleys 35 and the belt 36, so that the second rotating shaft 33 and the third rotating shaft 34 can rotate synchronously with the first rotating shaft 32.

[0034] Two rotating rods 37 are rotatably connected to the left side of the box body 1. A first rotating block 38 is rotatably connected to each of the two rotating rods 37. A limiting groove 39 is provided on each of the two rotating rods 37. The two limiting grooves 39 are adapted to the two first rotating shafts 32 and the second rotating shaft 33.

[0035] By starting the second hydraulic cylinder 392, at this time, the second hydraulic cylinder 392 will cooperate with the second rotating block 391 and the first rotating block 38 to drive the rotating rod 37 to rotate downward. Through such an operation, one end of the first rotating shaft 32 can be suspended, thus providing convenient conditions for inserting the paper roll.

[0036] Two second rotating blocks 391 are rotatably connected to the left side of the box body 1. A second hydraulic cylinder 392 is fixedly connected to the top of each of the two second rotating blocks 391. The output shafts of the two second hydraulic cylinders 392 are fixedly connected to the two first rotating blocks 38.

[0037] By starting the second hydraulic cylinder 392 again, this time, the second hydraulic cylinder 392 will rotate again and cooperate with the second rotating block 391 and the first rotating block 38, so that the rotating rod 37 can rotate upward, thereby lifting the suspended end of the first rotating shaft 32 and realizing stable support for the first rotating shaft 32.

[0038] Several dampers 399 are fixedly connected to the bottom of the box body 1. The bottom ends of the several dampers 399 are fixedly connected to a base 3991. A spring 3992 is wound around the outer walls of the several dampers 399. One end of the several springs 3992 is fixedly connected to the box body 1, and the other end of the several springs 3992 is fixedly connected to the several bases 3991.

[0039] Through the cooperation of multiple dampers 399 and springs 3992, it is beneficial to buffer and absorb the vibration and impact force generated during the operation of the equipment, reduce the wear and noise of the equipment, and enhance the stability and reliability of the equipment operation.

[0040] A specific application of this embodiment is as follows: When in use, first, the second hydraulic cylinder 392 can be started. At this time, the second hydraulic cylinder 392 will cooperate with the second rotating block 391 and the first rotating block 38 to drive the rotating rod 37 to rotate downward. Through such an operation, one end of the first rotating shaft 32 can be suspended, thereby providing convenient conditions for the insertion of the paper roll; after the paper roll is inserted, the second hydraulic cylinder 392 can be started again. This time, the second hydraulic cylinder 392 will rotate again and cooperate with the second rotating block 391 and the first rotating block 38, so that the rotating rod 37 can rotate upward, thereby lifting the suspended end of the first rotating shaft 32 to achieve stable support for the first rotating shaft 32; then, the first motor 21 can be started. After the first motor 21 is started, it will drive the bidirectional threaded rod 22 to rotate. At the same time, when the bidirectional threaded rod 22 rotates, it will drive the two sliders 23 thereon, as well as the first hydraulic cylinders 25 and the adjustment jigs 26 on the two sliders 23 to approach each other. When the two sliders 23 move to the appropriate positions, the two first hydraulic cylinders 25 can be started again. The two first hydraulic cylinders 25 respectively drive the adjustment jigs 26 thereon to move downward, so as to limit and fix the paper rolls of different sizes on the outer wall of the first rotating shaft 32. Through this operation, the flexibility and practicability of the device can be greatly improved; when the paper roll needs to be cut, the second motor 31 can be started. After the second motor 31 is started, it will drive the first rotating shaft 32 and the pulley 35 to rotate synchronously. At the same time, when the first rotating shaft 32 rotates, it will drive the paper roll thereon to be released to prepare for the cutting operation. At the same time, when the pulley 35 rotates, it will cooperate with the other two pulleys 35 and the belt 36, so that the second rotating shaft 33 and the third rotating shaft 34 can rotate synchronously with the first rotating shaft 32. During this process, when the second rotating shaft 33 rotates, it can cooperate with multiple rotating cutting knives 395 to cut the moving paper roll thereon, and the cut paper roll can be wound up by the rotating third rotating shaft 34 to realize the coherent process of the whole cutting and winding. When the distance between the cutting knives 395 needs to be adjusted, the two second hydraulic cylinders 392 can be started. The two second hydraulic cylinders 392 will cooperate with the slide rails 397 thereon to fold the folding rod assembly 398. Moreover, during the folding process of the folding rod assembly 398, it can synchronously drive the multiple cutting knives 395 thereon to slide on the outer wall of the slide rod 394 for distance adjustment. Through this setting, it is beneficial to meet the cutting requirements of paper rolls of different specifications and improve the versatility and adaptability of the equipment.

[0041] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

[0042] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A rewinder cutting device, characterized in that: It includes a box body (1), an adjustment mechanism (2) and a configuration mechanism (3) arranged on the box body (1); The adjustment mechanism (2) includes a first motor (21) fixedly connected to the right side of the box body (1). A bidirectional threaded rod (22) is fixedly connected to the output shaft of the first motor (21). The bidirectional threaded rod (22) penetrates through the box body (1) and is rotatably connected to the box body (1). Two sliders (23) are threadedly sleeved on the outer wall of the bidirectional threaded rod (22). A limiting rod (24) is fixedly connected to the inner wall of the box body (1). The limiting rod (24) penetrates through the two sliders (23) and is slidably connected to the two sliders (23). A first hydraulic cylinder (25) is fixedly connected to the bottom of each of the two sliders (23). The output shafts of the two first hydraulic cylinders (25) are fixedly connected with adjustment jigs (26). Two U-shaped blocks (393) are fixedly connected to the top of the box body (1). A sliding rod (394) is fixedly connected to one side of the two U-shaped blocks (393) close to each other. A plurality of cutting knives (395) are slidably sleeved on the outer wall of the sliding rod (394). A plurality of cutting knives (395) are all in contact with a third rotating shaft (34). A third hydraulic cylinder (396) is fixedly connected to each of the two U-shaped blocks (393). A sliding rail (397) is fixedly connected to the output shaft of each of the two third hydraulic cylinders (396). A folding rod assembly (398) is slidably connected to the two sliding rails (397). The folding rod assembly (398) is hinged to a plurality of cutting knives (395).

2. The rewinder cutting device according to claim 1, characterized in that, The configuration mechanism (3) includes a second motor (31) fixedly connected to the right side of the box body (1). A first rotating shaft (32) is fixedly connected to the output shaft of the second motor (31). The first rotating shaft (32) penetrates through the box body (1) and is rotatably connected to the box body (1).

3. The rewinder cutting device according to claim 2, characterized in that, A second rotating shaft (33) is rotatably connected to the inside of the box body (1). The right end of the second rotating shaft (33) extends outside the box body (1). A third rotating shaft (34) is rotatably connected to the inside of the box body (1). The right end of the third rotating shaft (34) extends outside the box body (1). Pulley wheels (35) are fixedly sleeved on the outer walls of the first rotating shaft (32), the second rotating shaft (33) and the third rotating shaft (34). A belt (36) is wound around the outer walls of a plurality of pulley wheels (35).

4. The rewinder cutting device according to claim 3, characterized in that, Two rotating rods (37) are rotatably connected to the left side of the box body (1). A first rotating block (38) is rotatably connected to each of the two rotating rods (37). Limiting grooves (39) are formed in the two rotating rods (37). The two limiting grooves (39) are adapted to the two first rotating shafts (32) and the second rotating shaft (33).

5. The rewinder cutting device according to claim 4, characterized in that, Two second rotating blocks (391) are rotatably connected to the left side of the box body (1). A second hydraulic cylinder (392) is fixedly connected to the top of each of the two second rotating blocks (391). The output shafts of the two second hydraulic cylinders (392) are fixedly connected to the two first rotating blocks (38).

6. The rewinder cutting device according to claim 5, wherein, A plurality of dampers (399) are fixedly connected to the bottom of the box body (1). The bottom ends of the plurality of dampers (399) are fixedly connected with bases (3991). Springs (3992) are wound around the outer walls of the plurality of dampers (399). One ends of the plurality of springs (3992) are fixedly connected with the box body (1), and the other ends of the plurality of springs (3992) are fixedly connected with the plurality of bases (3991).

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