Raw paper calender based on synthetic paper processing and use method of raw paper calender

Abstract

The invention relates to the technical field of calenders, in particular to a raw paper calender based on synthetic paper processing and a using method of the raw paper calender based on synthetic paper processing. The receiving mechanism is located under the output end of the calender equipment; and the lifting assembly is connected with the bearing structure, and the lifting assembly drives the bearing structure to move vertically and is used for bearing the rolled synthetic paper. The bearing mechanism for bearing the rolled synthetic paper is arranged at the output end of the calender, the lifting assembly for driving the bearing mechanism to operate is arranged on the equipment frame, and a paper tube for rolling the synthetic paper is clamped and fixed under the action of the clamping mechanism; the clamping mechanism carries out clamping and separation according to the winding condition of the synthetic paper, and the lifting assembly drives the bearing mechanism to bear the rolled synthetic paper during separation, so that the step of manual operation is omitted, and operation is simple and convenient.

Description

Technical Field

[0001] The present invention relates to a calender, in particular to a base paper calender based on synthetic paper processing and a use method thereof, belonging to the technical field of calenders. Background Art

[0002] The base paper calender in synthetic paper processing is a device used to improve the surface quality of paper. It improves the smoothness, glossiness, tightness and thickness uniformity of paper by continuously rolling the paper. The core components of the calender include the calender roller and the base paper conveying mechanism, as well as the control system, which work together to achieve effective calendering of the paper.

[0003] The working principle of the calender is usually to use multiple rollers to calender the paper. The linear pressure between the rollers and the speed difference between the rollers act together on the paper to rearrange the fibers on the surface of the paper, thereby improving the surface quality of the paper. However, when the calender is in use, after the synthetic paper base paper is rolled, the heavier synthetic paper base paper is mainly removed from the calender by manual means, but the manual method is time-consuming and labor-intensive, and is not simple enough.

[0004] Therefore, there is an urgent need to improve the base paper calender for synthetic paper processing to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a base paper calender based on synthetic paper processing and a method of using the same, which can be achieved by arranging a receiving mechanism for receiving the rolled synthetic paper at the output end of the calender, and a lifting component for driving the receiving mechanism to operate is arranged on the equipment frame, and the paper roll for winding the synthetic paper is clamped and fixed by the clamping mechanism, and the clamping mechanism clamps and separates according to the winding situation of the synthetic paper, and at the same time of separation, the lifting component drives the receiving mechanism to receive the rolled synthetic paper, thereby eliminating the steps of manual operation and facilitating operation.

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the present invention include: a base paper calender based on synthetic paper processing, including an equipment frame connected to the output end of the calender equipment, and also including; a receiving mechanism, the receiving mechanism is located directly below the output end of the calender equipment; a lifting component, the lifting component is connected to the receiving structure, the lifting component drives the receiving structure to move vertically and is used to receive the rolled synthetic paper; clamping mechanisms are located on both sides of the receiving mechanism and are symmetrical, the clamping mechanism is used to clamp the rolled synthetic paper firmly; a sliding rail arranged on the equipment frame, the clamping mechanism is slidably connected to the sliding rail, and the sliding rail is provided with a driving member for driving the clamping mechanism to move.

[0007] Preferably, the lifting assembly includes a lower base plate fixedly connected to the equipment frame, an upper base plate arranged directly above the lower base plate, a No. 1 support rod hinged on the lower base plate, a No. 2 support rod hinged on the upper base plate, and a telescopic rod connected to the No. 1 support rod, and the hinge between the No. 1 support rod and the lower base plate and the hinge between the No. 2 support rod and the upper base plate are on the same side of the lifting assembly.

[0008] Preferably, the lifting assembly also includes limiting rails fixedly connected to the upper base plate and the lower base plate respectively, one end of the No. 1 support rod away from the lower base plate is slidably connected to the limiting rail on the upper base plate, one end of the No. 2 support rod away from the upper base plate is slidably connected to the limiting rail on the lower base plate, and the center position of the No. 1 support rod is rotatably connected to the center position of the No. 2 support rod, the telescopic rod 1 is hinged at the center position of the lower base plate, and the movable end of the telescopic rod 1 is rotatably connected to the position of the No. 1 support rod close to the lower base plate.

[0009] Preferably, the receiving mechanism includes two arc-shaped plates and a support frame fixedly connected to the bottom of the arc-shaped plates, one end of the support frame away from the arc-shaped plates is fixedly connected to the upper base plate, the arc-shaped plates are provided with an anti-slip portion, and the anti-slip portion corresponds to the diameter size of the rolled synthetic paper, and the surface of the anti-slip portion is in active contact with the outer surface of the rolled synthetic paper.

[0010] Preferably, the clamping mechanism includes a rotating base slidably connected to the sliding track, a bearing connected to the rotating base, and a rotating shaft connected to the bearing, a connecting frame is fixedly connected to the rotating base, the output end of the driving member is connected to the connecting frame, an auxiliary frame is fixedly connected to the rotating base, the auxiliary frame is rotatably connected to the rotating shaft, and a retaining ring is fixedly connected to the outer surface of the rotating shaft.

[0011] Preferably, an extrusion cavity is opened inside the rotating shaft, and a plurality of sliding blocks are slidably connected to the side wall of the extrusion cavity. The end of the sliding block away from the extrusion cavity passes through the extrusion cavity and extends to the outside of the rotating shaft. An airbag is provided inside the extrusion cavity, and a pressure plate is fixed on the outer surface of the airbag. The pressure plate is in movably contact with the sliding block, and an air duct is connected to the input end of the airbag.

[0012] Preferably, the air duct passes through the rotating shaft along the rotating shaft axis and extends to the outside of one end of the rotating shaft close to the driving member, an air pump is fixedly mounted on the rotating base, and the output end of the air pump is sealed and rotatably connected to the input end of the air duct.

[0013] Preferably, a first pulley is fixedly connected to the rotating shaft on the rotating base close to the auxiliary frame side, a second pulley is fixedly connected to the rotating base, a transmission belt is provided on the first pulley and the second pulley, a motor is installed on the rotating base, and the output end of the motor is connected to the second pulley.

[0014] Preferably, the rotating shafts on the two clamping mechanisms are on the same axis, a distance sensor is provided in the retaining ring on the rotating shaft, the distance sensor is used to measure the distance between the retaining ring and the rolled synthetic paper, the distance sensor is connected to the driving member, and the driving member receives the output signal of the distance sensor and controls the operation of the rotating base.

[0015] The method for using a base paper calender based on synthetic paper processing includes the following steps: S1: First, place a paper roll without synthetic paper between two rotating shafts, and move the axis of the paper roll toward the axis of the rotating shaft. Then, start the driving member to drive the rotating base toward the position of the paper roll.

[0016] S2: Then, under the action of the distance sensor, the retaining ring stops the operation of the driving member when it contacts the paper tube. At this time, the end of the rotating shaft away from the driving member is inserted into the paper tube. Under the action of the clamping mechanisms on both sides of the paper tube, the paper tube is fixed.

[0017] S3: Then, start the air pump and input gas into the airbag through the air duct. The airbag swells after receiving the gas, and then squeezes the sliding block through the pressure plate. The end of the sliding block away from the pressure plate abuts against the inner wall of the paper tube, thereby fixing the positional relationship between the paper tube and the rotating shaft. Then, driven by the motor, the paper tube and the calendering roller on the calendering machine rotate synchronously, and the synthetic paper is rolled up on the paper tube.

[0018] S4: When the paper roll is rolling up the synthetic paper, its diameter increases gradually. After the rolling up is completed, the rolled paper roll is released from the clamping mechanism by reversely running S, S and the structures in S.

[0019] S5: When the paper tube is detached, the telescopic rod 1 is started, and the telescopic rod 1 drives one end of the No. 1 support rod to move, and then drives the No. 2 support rod to move synchronously, and the end of the No. 1 support rod away from the lower bottom plate slides on the upper bottom plate, and the end of the No. 2 support rod away from the upper bottom plate slides on the lower bottom plate. When the movable end of the telescopic rod 1 is continuously extended, the upper bottom plate is continuously driven to move upward on the lower bottom plate, and then the receiving mechanism on the upper bottom plate is driven to move synchronously, thereby receiving the detached paper tube and driving the paper tube to move downward, so as to facilitate the workers to take it.

[0020] The present invention has at least the following beneficial effects: 1. A receiving mechanism for receiving the rolled synthetic paper is arranged at the output end of the calender, and a lifting assembly for driving the receiving mechanism is arranged on the equipment frame 1. The paper roll for rolling up the synthetic paper is clamped and fixed by the clamping mechanism. The clamping mechanism clamps and separates the synthetic paper according to the rolling condition. During the separation, the lifting assembly drives the receiving mechanism to receive the rolled synthetic paper, thereby eliminating the manual operation steps and facilitating the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings: Figure 1 A schematic diagram of the three-dimensional structure provided by the present invention; Figure 2 A three-dimensional schematic diagram of some structures provided by the present invention Figure 1 ; Figure 3 A three-dimensional schematic diagram of some structures provided by the present invention Figure 2 ; Figure 4 The present invention provides Figure 3 A schematic diagram of the structure enlargement in the middle; Figure 5 A schematic diagram of the structure of the receiving mechanism and the lifting assembly provided by the present invention; Figure 6 The present invention provides Figure 5 Left view of Figure 7 The present invention provides Figure 5 A front view of Figure 8 A three-dimensional schematic diagram of some structures provided by the present invention Figure 3 ; Fig. 9 The present invention provides Figure 8 Schematic diagram of the isometric side section of a part of the structure.

[0022] In the figure, 1, equipment frame; 2, sliding track; 3, driving part; 4, lower base plate; 5, support rod No. 1; 6, upper base plate; 7, support rod No. 2; 8, telescopic rod 1; 9, arc plate; 10, support frame; 11, anti-slip part; 12, rotating base; 13, rotating shaft; 14, connecting frame; 15, auxiliary frame; 16, retaining ring; 17, extrusion cavity; 18, sliding block; 19, airbag; 20, pressure plate; 21, air guide tube; 22, air pump; 23, pulley 1; 24, pulley 2; 25, transmission belt; 26, motor; 27, distance sensor; 28, bearing. DETAILED DESCRIPTION

[0023] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0024] like Figure 1-Figure 9 As shown, the base paper calender for synthetic paper processing provided in this embodiment includes an equipment frame 1 connected to the output end of the calender equipment, and also includes; The receiving mechanism is located directly below the output end of the calender equipment; A lifting component, the lifting component is connected to the receiving structure, and the lifting component drives the receiving structure to move vertically and is used to receive the rolled synthetic paper; The clamping mechanisms are symmetrically located on both sides of the receiving mechanism, and are used to firmly clamp the rolled synthetic paper; A sliding track 2 is arranged on the equipment frame 1, and the clamping mechanism is slidably connected to the sliding track 2. The sliding track 2 is provided with a driving member 3 for driving the clamping mechanism to move.

[0025] A receiving mechanism for the rolled synthetic paper is arranged at the output end of the calender, and a lifting assembly for driving the receiving mechanism is arranged on the equipment frame 1. The paper roll for rolling up the synthetic paper is clamped and fixed by the clamping mechanism. The clamping mechanism clamps and separates the synthetic paper according to the rolling situation, and during the separation, the lifting assembly drives the receiving mechanism to receive the rolled synthetic paper.

[0026] The rotating shafts 13 on the two clamping mechanisms are on the same axis. A distance sensor 27 is provided in the retaining ring 16 on the rotating shaft 13. The distance sensor 27 is used to measure the distance between the retaining ring 16 and the rolled synthetic paper (not shown in the figure). The distance sensor 27 is connected to the driving member 3. The driving member 3 receives the output signal of the distance sensor 27 and controls the operation of the rotating base 12.

[0027] Furthermore, as shown in the figure and the figure, the lifting assembly includes a lower base plate 4 fixedly connected to the equipment frame 1, an upper base plate 6 arranged directly above the lower base plate 4, a No. 1 support rod 5 hinged on the lower base plate 4, a No. 2 support rod 7 hinged on the upper base plate 6, and a telescopic rod 8 connected to the No. 1 support rod 5. The hinge between the No. 1 support rod 5 and the lower base plate 4 and the hinge between the No. 2 support rod 7 and the upper base plate 6 are on the same side of the lifting assembly.

[0028] The lifting assembly also includes limiting rails fixedly connected to the upper base plate 6 and the lower base plate 4 respectively, one end of the No. 1 support rod 5 away from the lower base plate 4 is slidably connected to the limiting rail on the upper base plate 6, one end of the No. 2 support rod 7 away from the upper base plate 6 is slidably connected to the limiting rail on the lower base plate 4, and the center position of the No. 1 support rod 5 is rotatably connected to the center position of the No. 2 support rod 7, a telescopic rod 8 is hinged at the center position of the lower base plate 4, and the movable end of the telescopic rod 8 is rotatably connected to the position of the No. 1 support rod 5 close to the lower base plate 4.

[0029] Furthermore, the receiving mechanism includes two arc-shaped plates 9 and a support frame 10 fixedly connected to the lower portion of the arc-shaped plate 9. One end of the support frame 10 away from the arc-shaped plate 9 is fixedly connected to the upper base plate 6. An anti-slip portion 11 is provided on the arc-shaped plate 9, and the anti-slip portion 11 corresponds to the diameter of the rolled synthetic paper. The surface of the anti-slip portion 11 is in active contact with the outer surface of the rolled synthetic paper.

[0030] Furthermore, the clamping mechanism includes a rotating base 12 slidably connected to the sliding rail 2, a bearing 28 connected to the rotating base 12, and a rotating shaft 13 connected to the bearing 28, a connecting frame 14 is fixedly connected to the rotating base 12, the output end of the driving member 3 is connected to the connecting frame 14, an auxiliary frame 15 is fixedly connected to the rotating base 12, the auxiliary frame 15 is rotatably connected to the rotating shaft 13, a retaining ring 16 is fixedly connected to the outer surface of the rotating shaft 13, a pulley 1 23 is fixedly connected to the rotating shaft 13 on the side of the rotating base 12 close to the auxiliary frame 15, a pulley 2 24 is fixedly connected to the rotating base 12, a transmission belt 25 is sleeved on the pulley 1 23 and the pulley 2 24, a motor 26 is installed on the rotating base 12, and the output end of the motor 26 is connected to the pulley 2 24.

[0031] Among them, an extrusion cavity 17 is opened inside the rotating shaft 13, and a plurality of sliding blocks 18 are slidably connected to the side wall of the extrusion cavity 17. The end of the sliding block 18 away from the extrusion cavity 17 passes through the extrusion cavity 17 and extends to the outside of the rotating shaft 13. An air bag 19 is provided inside the extrusion cavity 17, and a pressure plate 20 is fixed on the outer surface of the air bag 19. The pressure plate 20 is in active contact with the sliding block 18. An air guide tube 21 is connected to the input end of the air bag 19. The air guide tube 21 passes through the rotating shaft 13 along the axis of the rotating shaft 13 and extends to the outside of one end of the rotating shaft 13 close to the driving member 3. An air pump 22 is fixedly installed on the rotating base 12, and the output end of the air pump 22 is sealed and rotatably connected to the input end of the air guide tube 21.

[0032] like Figure 1-Figure 9 As shown, the method for using the base paper calender based on synthetic paper processing provided in this embodiment includes the following steps: S1: First, a paper roll (not shown in the figure) without synthetic paper is placed between two rotating shafts 13, and the axis of the paper roll is moved toward the axis of the rotating shaft 13, and then the driving member 3 is started to drive the rotating base 12 to move toward the position of the paper roll.

[0033] S2: Then, under the action of the distance sensor 27, the retaining ring 16 stops the operation of the driving member 3 when it contacts the paper tube. At this time, the end of the rotating shaft 13 away from the driving member 3 is inserted into the paper tube. Under the action of the clamping mechanisms on both sides of the paper tube, the paper tube is fixed.

[0034] S3: Next, the air pump 22 is started to input gas into the airbag 19 through the air duct 21. The airbag 19 swells after receiving the gas, and then squeezes the sliding block 18 through the pressure plate 20. The end of the sliding block 18 away from the pressure plate 20 abuts against the inner wall of the paper tube, thereby fixing the positional relationship between the paper tube and the rotating shaft 13. Then, driven by the motor 26, the paper tube and the calendering roller on the calendering machine rotate synchronously, and the synthetic paper is rolled up on the paper tube.

[0035] S4: When the paper roll is rolling up the synthetic paper, its diameter gradually increases. After the rolling is completed, the rolled paper roll is released from the clamping mechanism by reversely running the structures in S1, S2 and S3.

[0036] S5: While the paper tube is detaching, the telescopic rod 8 is started, and the telescopic rod 8 drives one end of the No. 1 support rod 5 to move, and then drives the No. 2 support rod 7 to move synchronously, and the end of the No. 1 support rod 5 away from the lower bottom plate 4 slides on the upper bottom plate 6, and the end of the No. 2 support rod 7 away from the upper bottom plate 6 slides on the lower bottom plate 4. When the movable end of the telescopic rod 1 is continuously extended, the upper bottom plate 6 is continuously driven to move upward on the lower bottom plate 4, and then the receiving mechanism on the upper bottom plate 6 is driven to move synchronously, thereby receiving the detached paper tube and driving the paper tube to move downward, so as to facilitate the workers to take it.

[0037] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0038] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0039] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A base paper calender for processing synthetic paper, comprising an equipment frame (1) connected to an output end of the calender equipment, characterized in that: Also includes; A receiving mechanism, wherein the receiving mechanism is located directly below the output end of the calender equipment; A lifting assembly, the lifting assembly is connected to the receiving structure, the lifting assembly drives the receiving structure to move vertically, and is used to receive the rolled synthetic paper; Clamping mechanisms are located on both sides of the receiving mechanism and are symmetrical to each other, and are used to firmly clamp the rolled synthetic paper; A sliding track (2) is arranged on the equipment frame (1), the clamping mechanism is slidably connected to the sliding track (2), and a driving member (3) for driving the clamping mechanism to move is provided on the sliding track (2).

2. The base paper calender based on synthetic paper processing according to claim 1, characterized in that: The lifting assembly comprises a lower base plate (4) fixedly connected to the equipment frame (1), an upper base plate (6) arranged directly above the lower base plate (4), a No. 1 support rod (5) hinged on the lower base plate (4), a No. 2 support rod (7) hinged on the upper base plate (6), and a telescopic rod (8) connected to the No. 1 support rod (5), wherein the hinged joint between the No. 1 support rod (5) and the lower base plate (4) and the hinged joint between the No. 2 support rod (7) and the upper base plate (6) are located on the same side of the lifting assembly.

3. The base paper calender based on synthetic paper processing according to claim 2, characterized in that: The lifting assembly further comprises limiting rails respectively fixedly connected to the upper base plate (6) and the lower base plate (4); one end of the No. 1 support rod (5) away from the lower base plate (4) is slidably connected to the limiting rail on the upper base plate (6); one end of the No. 2 support rod (7) away from the upper base plate (6) is slidably connected to the limiting rail on the lower base plate (4); the center position of the No. 1 support rod (5) is rotatably connected to the center position of the No. 2 support rod (7); the telescopic rod 1 (8) is hinged at the center position of the lower base plate (4); and the movable end of the telescopic rod 1 (8) is rotatably connected to the position of the No. 1 support rod (5) close to the lower base plate (4).

4. The base paper calender based on synthetic paper processing according to claim 2, characterized in that: The receiving mechanism comprises two arc-shaped plates (9) and a support frame (10) fixedly connected to the bottom of the arc-shaped plates (9); one end of the support frame (10) away from the arc-shaped plates (9) is fixedly connected to the upper bottom plate (6); an anti-slip portion (11) is provided on the arc-shaped plates (9); the anti-slip portion (11) corresponds to the diameter of the rolled synthetic paper; and the surface of the anti-slip portion (11) is in active contact with the outer surface of the rolled synthetic paper.

5. The base paper calender based on synthetic paper processing according to claim 1, characterized in that: The clamping mechanism comprises a rotating base (12) slidably connected to the sliding track (2), a bearing (28) connected to the rotating base (12), and a rotating shaft (13) connected to the bearing (28); a connecting frame (14) is fixedly connected to the rotating base (12); an output end of the driving member (3) is connected to the connecting frame (14); an auxiliary frame (15) is fixedly connected to the rotating base (12); the auxiliary frame (15) is rotatably connected to the rotating shaft (13); and a retaining ring (16) is fixedly connected to the outer surface of the rotating shaft (13).

6. The base paper calender based on synthetic paper processing according to claim 5, characterized in that: An extrusion cavity (17) is provided inside the rotating shaft (13), and a plurality of sliding blocks (18) are slidably connected to the side wall of the extrusion cavity (17). One end of the sliding block (18) away from the extrusion cavity (17) passes through the extrusion cavity (17) and extends to the outside of the rotating shaft (13). An air bag (19) is provided inside the extrusion cavity (17), and a pressure plate (20) is fixed on the outer surface of the air bag (19). The pressure plate (20) is in active contact with the sliding block (18), and an air guide tube (21) is connected to the input end of the air bag (19).

7. The base paper calender based on synthetic paper processing according to claim 5, characterized in that: The air guide tube (21) passes through the rotating shaft (13) along the axis of the rotating shaft (13) and extends to the outside of one end of the rotating shaft (13) close to the driving member (3). An air pump (22) is fixedly mounted on the rotating base (12). The output end of the air pump (22) is sealingly rotatably connected to the input end of the air guide tube (21).

8. The base paper calender based on synthetic paper processing according to claim 5, characterized in that: A first pulley (23) is fixedly connected to the rotating shaft (13) on the side of the rotating base (12) close to the auxiliary frame (15), and a second pulley (24) is fixedly connected to the rotating base (12). A transmission belt (25) is sleeved on the first pulley (23) and the second pulley (24). A motor (26) is installed on the rotating base (12), and an output end of the motor (26) is connected to the second pulley (24).

9. The base paper calender based on synthetic paper processing according to claim 5, characterized in that: The rotating shafts (13) on the two clamping mechanisms are located on the same axis. A distance sensor (27) is provided in a retaining ring (16) on the rotating shaft (13). The distance sensor (27) is used to measure the distance between the retaining ring (16) and the rolled synthetic paper. The distance sensor (27) is connected to the driving member (3). The driving member (3) receives an output signal of the distance sensor (27) and controls the operation of the rotating base (12).

10. A method for using a base paper calender based on synthetic paper processing, characterized in that: The steps include: S1: First, a paper roll without synthetic paper is placed between two rotating shafts (13), and the axis of the paper roll is moved toward the axis of the rotating shaft (13), and then the driving member (3) is started to drive the rotating base (12) to move toward the position of the paper roll; S2: Then, under the action of the distance sensor (27), the retaining ring (16) stops the operation of the driving member (3) when it contacts the paper tube. At this time, the end of the rotating shaft (13) away from the driving member (3) is inserted into the paper tube. Under the action of the clamping mechanisms on both sides of the paper tube, the paper tube is fixed. S3: Then, the air pump (22) is started to input gas into the air bag (19) through the air guide tube (21). The air bag (19) expands after receiving the gas, and then squeezes the sliding block (18) through the pressure plate (20). The end of the sliding block (18) away from the pressure plate (20) contacts the inner wall of the paper tube, thereby fixing the positional relationship between the paper tube and the rotating shaft (13). Then, driven by the motor (26), the paper tube and the calender roller on the calendering machine rotate synchronously, thereby rolling the synthetic paper onto the paper tube; S4: When the paper roll is rolling up the synthetic paper, its diameter gradually increases. After the rolling is completed, the structures in S1, S2 and S3 are reversed to make the rolled paper roll out of the clamping mechanism; S5: When the paper tube is detached, the telescopic rod 1 (8) is started, and the telescopic rod 1 (8) drives one end of the No. 1 support rod (5) to move, thereby driving the No. 2 support rod (7) to move synchronously, and the end of the No. 1 support rod (5) away from the lower bottom plate (4) slides on the upper bottom plate (6), and the end of the No. 2 support rod (7) away from the upper bottom plate (6) slides on the lower bottom plate (4). When the movable end of the telescopic rod 1 is continuously extended, the upper bottom plate (6) is continuously driven to move upward on the lower bottom plate (4), thereby driving the receiving mechanism on the upper bottom plate (6) to move synchronously, thereby receiving the detached paper tube and driving the paper tube to move downward, so as to facilitate the worker to take it.

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