Rewinding calender for papermaking

Abstract

According to the rewinding calender for papermaking, when impurities attached to the surfaces of an upper calendering assembly and a lower calendering assembly need to be cleaned, the lower calendering assembly passes through a lower cleaning assembly during rotation, so that the impurities on the surface of the lower calendering assembly are cleaned and removed through the lower cleaning assembly; when the upper calendaring assembly drives impurities to the first scraping plate, the first scraping plate scrapes off the impurities adhering to the upper calendaring assembly, the scraped-off impurities are located on the side, close to the winding mechanism, of the first scraping plate, and in order to prevent the impurities from falling onto paper, the first dust collection assembly can be operated to absorb the impurities on the side in time; in order to prevent the impurities from falling to one side of the unwinding mechanism due to rotation, a blocking piece can be arranged on the side, close to the unwinding mechanism, of the upper calendaring assembly, so that the impurities penetrating through the first scraping plate are blocked by the blocking piece and fall into the residue containing groove to be collected, and the impurities cannot fall onto the paper surface.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking calendering technical field especially relates to a rewinding calender for papermaking. BACKGROUND

[0002] With the higher and higher requirement of consumer to the packing, the smoothness of paper surface is also required higher and higher. In the papermaking process, the calender is usually used to flatten the paper surface, therefore, the calender plays a decisive role in the smoothness of paper surface.

[0003] The traditional calender cannot clean the upper and lower two groups of calender rollers well, and dust and impurities will be more and more attached to the surface of the calender roller. If not cleaned in time, the calender roller will be damaged when it rotates to the paper surface again, thereby reducing the quality of the paper. UTILITY MODEL CONTENTS

[0004] (I) technical problem to be solved

[0005] In order to solve the above problems of the prior art, the utility model provides a rewinding calender for papermaking, which can clean the impurities on the calender roller more conveniently and efficiently, reduce the damage caused by the impurities extruding the paper surface, and improve the quality of the paper.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model adopts the main technical scheme including:

[0008] A rewinding calender for papermaking, comprising a base, a winding mechanism, an unwinding mechanism, a calendering mechanism and a cleaning mechanism, one end of the base is provided with the unwinding mechanism, the other end of the base is provided with the winding mechanism, the middle part of the base is provided with the calendering mechanism, and the cleaning mechanism is connected with the calendering mechanism;

[0009] The calendering mechanism comprises a rack, an upper calendering assembly and a lower calendering assembly, the lower calendering assembly is connected with the middle part of the base through the rack, the upper calendering assembly is arranged above the lower calendering assembly, the upper calendering assembly is connected with the rack, and a gap is arranged between the upper calendering assembly and the lower calendering assembly;

[0010] The cleaning mechanism comprises an upper cleaning assembly and a lower cleaning assembly, the upper cleaning assembly is connected with the upper part of the upper calendering assembly, and the lower cleaning assembly is connected with the lower part of the lower calendering assembly;

[0011] The upper cleaning assembly comprises a first dust suction assembly, a first scraper and a blocking member. The first scraper is arranged on the upper part of the upper calender assembly on the side close to the unwinding mechanism. The first scraper is in close contact with the surface of the upper calender assembly. The first dust suction assembly is arranged on the side of the first scraper close to the winding mechanism. The blocking member is arranged on the side of the first scraper away from the winding mechanism. The blocking member is arranged below the first scraper and is in close contact with the upper calender assembly. A slag pocket is arranged on the blocking member.

[0012] Further, the lower cleaning assembly comprises a second scraper and a second dust suction assembly. The second scraper is arranged on the side of the lower calender assembly close to the unwinding mechanism. The lower part of the second scraper is connected with the base. The upper part of the second scraper is in close contact with the lower surface of the lower calender assembly. The second dust suction assembly is arranged on the side of the second scraper away from the unwinding mechanism.

[0013] Further, the first dust suction assembly and the second dust suction assembly have the same structure.

[0014] The first dust suction assembly comprises a dust collection box, a dust suction motor, a dust suction cover, a dust suction pipe and a filter screen. The dust suction cover is arranged on the side of the first scraper close to the winding mechanism and is connected with the upper calender assembly. The upper part of the dust collection box is provided with a dust inlet. The dust suction cover is connected with the dust inlet through the dust suction pipe. The upper part of the dust collection box is also provided with a mounting hole matched with the dust suction motor. The dust suction motor is detachably connected with the mounting hole. The mounting hole is internally provided with a filter screen.

[0015] Further, the upper calender assembly comprises an adjusting assembly, a first driving member and an upper calender roller. The adjusting assembly is arranged on the upper part of the frame. The upper calender roller is rotatably connected with the adjusting assembly. The first driving member is drivingly connected with the upper calender roller. The first scraper and the blocking member are both in close contact with the upper surface of the upper calender roller.

[0016] Further, the adjusting assembly comprises a second driving member, a rotating shaft and a first rotating frame. One side of the first rotating frame is rotatably connected with the upper part of the frame through the rotating shaft. The second driving member is drivingly connected with the rotating shaft. The other side of the first rotating frame is rotatably connected with the upper calender roller.

[0017] Further, the lower calender assembly comprises a support, a third driving member and a lower calender roller. The lower part of the support is connected with the base. The lower calender roller is rotatably connected with the upper part of the support. The third driving member is drivingly connected with the lower calender roller. The second scraper is in close contact with the lower surface of the lower calender roller. The dust suction cover of the second dust suction assembly is arranged below the lower calender roller and is connected with the support.

[0018] Further, the winding mechanism and the unwinding mechanism are structurally identical;

[0019] The unwinding mechanism comprises a second rotating frame, a fourth driving member and a winding and unwinding roller, one side of the second rotating frame is connected with the base, the winding and unwinding roller is rotatably connected with the other side of the second rotating frame, and the fourth driving member is drivingly connected with the winding and unwinding roller.

[0020] Further, the papermaking machine further comprises a PLC controller, and the PLC controller is electrically connected with the winding mechanism, the unwinding mechanism, the calendering mechanism and the cleaning mechanism respectively.

[0021] (Three) beneficial effects

[0022] The papermaking machine has the beneficial effects that, in actual use, when paper needs to be calendered, the paper roll is sleeved on the unwinding mechanism, then the paper end is pulled through the gap between the upper calendering assembly and the lower calendering assembly, and then the paper end is wound on the winding mechanism, and the paper passing through the upper calendering assembly and the lower calendering assembly is calendered under the cooperation of the unwinding mechanism, the winding mechanism, the upper calendering assembly and the lower calendering assembly, when impurities adhering to the surfaces of the upper calendering assembly and the lower calendering assembly need to be cleaned, the lower calendering assembly passes through the lower cleaning assembly when rotating, so that the lower cleaning assembly cleans and removes the impurities on the surface of the lower calendering assembly, when the upper calendering assembly carries the impurities to the first scraper, the first scraper scrapes off the impurities adhering to the upper calendering assembly, and the scraped impurities are located on the side of the first scraper close to the winding mechanism, in order to prevent the impurities from falling on the paper, the first dust suction assembly is operated to timely suck the impurities on the side, and in order to prevent the impurities from falling on the side of the unwinding mechanism due to rotation, a blocking member is arranged on the side of the upper calendering assembly close to the unwinding mechanism, so that the impurities passing through the first scraper are blocked by the blocking member and fall into the residue pocket groove for collection, so that the impurities cannot fall on the paper, and thus the impurities on the calendering roller can be conveniently and efficiently cleaned, the probability of damage to the paper caused by extrusion of the impurities is reduced, and the quality of the paper is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 FIG. 1 is a schematic view of the overall structure of a rewinding and calendering machine for papermaking according to an embodiment of the present application;

[0024] Fig. 2 FIG. 2 is a side view of the overall structure of a rewinding and calendering machine for papermaking according to an embodiment of the present application;

[0025] Fig. 3 FIG. 3 is a sectional view of the overall structure of a rewinding and calendering machine for papermaking according to an embodiment of the present application;

[0026]

Explanation of reference signs

[0027] The upper calender roller 1, the rotating shaft 2, the first rotating frame 3, the second dust collection assembly 4, the winding mechanism 5, the first dust collection assembly 6, the rack 7, the second driving element 8, the unwinding mechanism 9, the first driving element 10, the blocking element 11, the third driving element 12, the support 13, the second scraper 14, the lower calender roller 15, the slag pocket 16, the first scraper 17, the base 18, the dust collection pipe 601, the dust collection motor 602, the dust collection box 603, the sealing door 604, the dust collection cover 605, the fourth driving element 901, the second rotating frame 902, and the winding and unwinding roller 903. DETAILED DESCRIPTION

[0028] In order to better explain the present application, so as to be understood, the present application is described in detail below by specific embodiments, combined with the drawings.

[0029] Please refer to Figs. 1-3 The present application relates to papermaking equipment, and discloses a papermaking rewinding calender, which comprises a base 18, a winding mechanism 5, an unwinding mechanism 9, a calender mechanism and a cleaning mechanism.

[0030] The calender mechanism comprises a rack 7, an upper calender assembly and a lower calender assembly, the lower calender assembly is connected to the middle part of the base 18 through the rack 7, the upper calender assembly is arranged above the lower calender assembly, the upper calender assembly is connected to the rack 7, and a gap is arranged between the upper calender assembly and the lower calender assembly.

[0031] The cleaning mechanism comprises an upper cleaning assembly and a lower cleaning assembly, the upper cleaning assembly is connected to the upper part of the upper calender assembly, and the lower cleaning assembly is connected to the lower part of the lower calender assembly.

[0032] The upper cleaning assembly comprises a first dust collection assembly 6, a first scraper 17 and a blocking element 11, the first scraper 17 is arranged on the upper part of the side of the upper calender assembly close to the unwinding mechanism 9, the first scraper 17 is attached to the surface of the upper calender assembly, the first dust collection assembly 6 is arranged on the side of the first scraper 17 away from the winding mechanism 5, and the blocking element 11 is arranged on the side of the first scraper 17 away from the winding mechanism 5.

[0033] The working principle of the utility model is as follows: in the actual use process, when needing to carry out calendering treatment to paper, the paper roll can be sleeved on the unwinding mechanism 9, then the one end is pulled through the gap between the upper calendering assembly and the lower calendering assembly, then the end paper is wound on the winding mechanism 5, under the cooperation of the unwinding mechanism 9, the winding mechanism 5, the upper calendering assembly and the lower calendering assembly, the paper passing between the upper calendering assembly and the lower calendering assembly is subjected to calendering treatment, when needing to clean the impurities adhered to the surfaces of the upper calendering assembly and the lower calendering assembly, the lower calendering assembly passes through the lower cleaning assembly when rotating, so that the lower cleaning assembly cleans and removes the impurities on the surface of the lower calendering assembly, when the upper calendering assembly drives the impurities to the first scraper 17, the first scraper 17 scrapes off the impurities adhered to the upper calendering assembly, and the scraped impurities are located on the side of the first scraper 17 close to the winding mechanism 5, in order that the impurities cannot fall on the paper, the first dust suction assembly 6 can be operated to timely suck the impurities on the side, in order to prevent the impurities from falling on the side of the unwinding mechanism 9 due to rotation, the blocking piece 11 can be arranged on the side of the upper calendering assembly close to the unwinding mechanism 9, so that the impurities passing through the first scraper 17 are blocked by the blocking piece 11 and fall into the slag pocket 16 for collection, so that the impurities cannot fall on the paper.

[0034] Further, the lower cleaning assembly comprises a second scraper 14 and a second dust suction assembly 4, the second scraper 14 is arranged on the side of the lower calendering assembly close to the unwinding mechanism 9, the lower part of the second scraper 14 is connected with the base 18, the upper part of the second scraper 14 is in close contact with the lower surface of the lower calendering assembly, and the side of the second scraper 14 away from the unwinding mechanism 9 is provided with the second dust suction assembly 4.

[0035] From the above description, when needing to clean the surface of the lower calendering assembly, the lower calendering assembly drives the impurities to the second scraper 14, the second scraper 14 scrapes off the impurities, and the second dust suction assembly 4 is operated to timely suck and remove the impurities.

[0036] Further, the first dust suction assembly 6 and the second dust suction assembly 4 are the same in structure.

[0037] The first dust suction assembly 6 comprises a dust collecting box 603, a dust suction motor 602, a dust suction cover 605, a dust suction pipe 601 and a filter screen, the dust suction cover 605 is arranged on the side of the first scraper 17 close to the winding mechanism 5 and is connected with the upper calendering assembly, a dust inlet is arranged on the upper part of the dust collecting box 603, the dust suction cover 605 is connected with the dust inlet through the dust suction pipe 601, a mounting hole matched with the dust suction motor 602 is further arranged on the upper part of the dust collecting box 603, the dust suction motor 602 is detachably connected with the mounting hole, and a filter screen is arranged in the mounting hole.

[0038] From the above description, it is beneficial that the impurities scraped by the first scraper 17 and the second scraper 14 can be timely absorbed, and the probability of the impurities falling on the paper surface is reduced. When the impurities need to be absorbed, the dust collection motor 602 can be operated to make the impurities enter the dust collection pipe 601 through the dust collection cover 605 and then fall into the dust collection box 603 for collection.

[0039] Further, the upper calender assembly comprises an adjusting assembly, a first driving member 10 and an upper calender roller 1, the adjusting assembly is arranged on the upper portion of the rack 7, the upper calender roller 1 is rotatably connected with the adjusting assembly, the first driving member 10 is drivingly connected with the upper calender roller 1, and the first scraper 17 and the blocking member 11 are both in close contact with the upper surface of the upper calender roller 1.

[0040] Further, the adjusting assembly comprises a second driving member 8, a rotating shaft 2 and a first rotating frame 3, one side of the first rotating frame 3 is rotatably connected with the upper portion of the rack 7 through the rotating shaft 2, the second driving member 8 is drivingly connected with the rotating shaft 2, and the upper calender roller 1 is rotatably connected with the other side of the first rotating frame 3.

[0041] Further, the lower calender assembly comprises a support 13, a third driving member 12 and a lower calender roller 15, the lower portion of the support 13 is connected with the base 18, the lower calender roller 15 is rotatably connected with the upper portion of the support 13, the third driving member 12 is drivingly connected with the lower calender roller 15, the second scraper 14 is in close contact with the lower surface of the lower calender roller 15, and the dust collection cover 605 of the second dust collection assembly 4 is arranged below the lower calender roller 15 and connected with the support 13.

[0042] From the above description, it is beneficial that when it is necessary to adjust the gap between the upper calender roller 1 and the lower calender roller 15 according to the thickness of the paper, the second driving member 8 can be operated to drive the upper calender roller 1 to move through the first rotating frame 3, so as to appropriately adjust the gap between the upper calender roller 1 and the lower calender roller 15, and when it is necessary to perform calendering treatment on the paper, the first driving member 10 and the third driving member 12 can be operated to make the paper perform calendering treatment under the cooperation of the upper calender roller 1 and the lower calender roller 15.

[0043] Further, the winding mechanism 5 has the same structure as the unwinding mechanism 9.

[0044] The unwinding mechanism 9 comprises a second rotating frame 902, a fourth driving member 901 and a winding and unwinding roller 903, one side of the second rotating frame 902 is connected with the base 18, the winding and unwinding roller 903 is rotatably connected with the other side of the second rotating frame 902, and the fourth driving member 901 is drivingly connected with the winding and unwinding roller 903.

[0045] From the above description, it is beneficial to install the paper roll to the unwinding mechanism 9 for unwinding when the calendering treatment is needed, and the paper roll after the calendering treatment is wound by the winding mechanism 5, when the winding mechanism 5 and the unwinding mechanism 9 need to be operated, the fourth driving member 901 on the winding mechanism 5 and the unwinding mechanism 9 is operated respectively, so that the fourth driving member 901 drives the winding and unwinding roller 903 to rotate, thereby achieving the purpose of winding and unwinding.

[0046] Further, it further comprises a PLC controller, which is electrically connected with the winding mechanism 5, the unwinding mechanism 9, the calendering mechanism and the cleaning mechanism respectively.

[0047] From the above description, it is beneficial to adjust the parameters of the papermaking rewinding calendering machine through the PLC controller, and the operator is more convenient when operating the papermaking rewinding calendering machine. Embodiment one

[0048] Please refer to Figs. 1-3 A papermaking rewinding calendering machine, comprising a base 18, a winding mechanism 5, an unwinding mechanism 9, a calendering mechanism and a cleaning mechanism, one end of the base 18 is provided with the unwinding mechanism 9, the other end of the base 18 is provided with the winding mechanism 5, the middle part of the base 18 is provided with the calendering mechanism, and the cleaning mechanism is connected with the calendering mechanism;

[0049] The calendering mechanism comprises a rack 7, an upper calendering assembly and a lower calendering assembly, the lower calendering assembly is connected with the middle part of the base 18 through the rack 7, the upper calendering assembly is arranged above the lower calendering assembly, the upper calendering assembly is connected with the rack 7, and a gap is arranged between the upper calendering assembly and the lower calendering assembly;

[0050] The cleaning mechanism comprises an upper cleaning assembly and a lower cleaning assembly, the upper cleaning assembly is connected with the upper part of the upper calendering assembly, and the lower cleaning assembly is connected with the lower part of the lower calendering assembly;

[0051] The upper cleaning assembly comprises a first dust collection assembly 6, a first scraper 17 and a blocking piece 11, the first scraper 17 is arranged on the upper part of the side of the upper calendering assembly close to the unwinding mechanism 9, the first scraper 17 is attached to the surface of the upper calendering assembly, the first scraper 17 is provided with the first dust collection assembly 6 on the side close to the winding mechanism 5, and the first scraper 17 is provided with the blocking piece 11 on the side away from the winding mechanism 5, the blocking piece 11 is arranged below the first scraper 17 and is attached to the upper calendering assembly, and the blocking piece 11 is provided with a residue pocket 16;

[0052] The first scraper 17, the blocking piece 11 and the dust cover 605 on the first dust collection assembly 6 are connected with the first rotating frame 3.

[0053] The lower cleaning assembly comprises a second scraper 14 and a second dust collection assembly 4, the second scraper 14 is arranged on one side of the lower calender assembly close to the unwinding mechanism 9, the lower part of the second scraper 14 is connected with the base 18, the upper part of the second scraper 14 is attached to the lower surface of the lower calender assembly, and the second dust collection assembly 4 is arranged on the side of the second scraper 14 away from the unwinding mechanism 9;

[0054] The first dust collection assembly 6 and the second dust collection assembly 4 have the same structure;

[0055] The first dust collection assembly 6 comprises a dust collection box 603, a dust collection motor 602, a dust cover 605, a dust collection pipe 601 and a filter screen, the dust cover 605 is arranged on one side of the first scraper 17 close to the winding mechanism 5 and connected with the upper calender assembly, the upper part of the dust collection box 603 is provided with a dust inlet, the dust cover 605 is connected with the dust inlet through the dust collection pipe 601, the upper part of the dust collection box 603 is also provided with a mounting hole matched with the dust collection motor 602, the dust collection motor 602 is detachably connected with the mounting hole, and the mounting hole is internally provided with a filter screen;

[0056] Further comprising a sealing door 604, the lower part of the dust collection box 603 is provided with a residue discharge port, and the residue discharge port is detachably connected with the sealing door 604;

[0057] The upper calender assembly comprises an adjusting assembly, a first driving piece 10 and an upper calender roller 1, the adjusting assembly is arranged on the upper part of the rack 7, the upper calender roller 1 is rotatably connected with the adjusting assembly through a bearing, and the first driving piece 10 is drivingly connected with the upper calender roller 1 through a shaft coupling, and the first scraper 17 and the blocking piece 11 are attached to the upper surface of the upper calender roller 1;

[0058] The adjusting assembly comprises a second driving piece 8, a rotating shaft 2 and a first rotating frame 3, one side of the first rotating frame 3 is rotatably connected with the upper part of the rack 7 through the rotating shaft 2, and the second driving piece 8 is drivingly connected with the rotating shaft 2 through a shaft coupling, and the upper calender roller 1 is rotatably connected with the other side of the first rotating frame 3 through a bearing;

[0059] The second driving piece 8 is a stepping motor, which is beneficial to better control the moving angle of the upper calender roller 1, so as to better adjust the gap between the upper calender roller 1 and the lower calender roller 15;

[0060] The lower press component comprises a support 13, a third driving member 12 and a lower press roller 15, the lower part of the support 13 is connected with the base 18, the lower press roller 15 is rotatably connected with the upper part of the support 13 through a bearing, the third driving member 12 is drivingly connected with the lower press roller 15 through a shaft coupling, the second scraper 14 is in close contact with the lower surface of the lower press roller 15, the dust suction cover 605 of the second dust suction component 4 is arranged below the lower press roller 15 and is connected with the support 13;

[0061] The upper press roller 1 is arranged above the lower press roller 15, and the gap is arranged between the upper press roller 1 and the lower press roller 15;

[0062] The winding mechanism 5 and the unwinding mechanism 9 are the same in structure;

[0063] The unwinding mechanism 9 comprises a second rotating frame 902, a fourth driving member 901 and a winding and unwinding roller 903, one side of the second rotating frame 902 is connected with the base 18, the winding and unwinding roller 903 is rotatably connected with the other side of the second rotating frame 902 through a bearing, and the fourth driving member 901 is drivingly connected with the winding and unwinding roller 903 through a shaft coupling;

[0064] The first driving member 10, the third driving member 12 and the fourth driving member 901 are all speed-reducing motors;

[0065] The PLC controller is further connected with the winding mechanism 5, the unwinding mechanism 9, the press mechanism and the cleaning mechanism respectively;

[0066] The PLC controller is of DATA-7311 type, and is connected with the first driving member 10, the second driving member 8, the third driving member 12, the fourth driving member 901 and the dust suction motor 602 respectively.

[0067] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and the standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0068] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent transformation or direct or indirect application in the related technical field based on the content of the present application specification and drawings is also included in the patent protection scope of the present application.

Claims

1. A reel calender for papermaking, characterized by: The application relates to a calendering device, which comprises a base, a winding mechanism, a unwinding mechanism, a calendering mechanism and a cleaning mechanism. The calendering mechanism comprises a rack, an upper calendering assembly and a lower calendering assembly, the lower calendering assembly is connected with the middle part of the base through the rack, the upper calendering assembly is arranged above the lower calendering assembly, the upper calendering assembly is connected with the rack, and a gap is arranged between the upper calendering assembly and the lower calendering assembly. The cleaning mechanism comprises an upper cleaning assembly and a lower cleaning assembly, the upper cleaning assembly is connected with the upper part of the upper calendering assembly, and the lower cleaning assembly is connected with the lower part of the lower calendering assembly. The upper cleaning assembly comprises a first dust suction assembly, a first scraper and a blocking piece, the first scraper is arranged on the upper part of the side of the upper calendering assembly close to the unwinding mechanism, the first scraper is attached to the surface of the upper calendering assembly, the first scraper is provided with the first dust suction assembly on the side away from the winding mechanism, the first scraper is provided with the blocking piece on the side away from the winding mechanism, the blocking piece is arranged below the first scraper and attached to the upper calendering assembly, and a slag pocket is arranged on the blocking piece.

2. The roll calender for papermaking as recited in claim 1, wherein: The lower cleaning assembly comprises a second scraper and a second dust suction assembly, the second scraper is arranged on the side of the lower calendering assembly close to the unwinding mechanism, the lower part of the second scraper is connected with the base, the upper part of the second scraper is attached to the lower surface of the lower calendering assembly, and the second dust suction assembly is arranged on the side of the second scraper away from the unwinding mechanism.

3. The rewinding calender for papermaking as recited in claim 2, characterized by: The first dust suction assembly and the second dust suction assembly are the same in structure. The first dust suction assembly comprises a dust collecting box, a dust suction motor, a dust suction cover, a dust suction pipe and a filter screen, the dust suction cover is arranged on the side of the first scraper close to the winding mechanism and connected with the upper calendering assembly, the upper part of the dust collecting box is provided with a dust inlet, the dust suction cover is connected with the dust inlet through the dust suction pipe, the upper part of the dust collecting box is also provided with a mounting hole matched with the dust suction motor, the dust suction motor is detachably connected with the mounting hole, and the mounting hole is internally provided with the filter screen.

4. The rewinding calender for papermaking as recited in claim 1, wherein: The upper calendering assembly comprises an adjusting assembly, a first driving member and an upper calendering roller, the upper part of the rack is provided with the adjusting assembly, the upper calendering roller is rotatably connected with the adjusting assembly, the first driving member is drivingly connected with the upper calendering roller, and the first scraper and the blocking piece are attached to the upper surface of the upper calendering roller.

5. The roll calender for papermaking as recited in claim 4, characterized by: The adjusting assembly comprises a second driving member, a rotating shaft and a first rotating frame, one side of the first rotating frame is rotatably connected with the upper part of the rack through the rotating shaft, the second driving member is drivingly connected with the rotating shaft, and the upper calendering roller is rotatably connected with the other side of the first rotating frame.

6. The rewinding calender for papermaking as recited in claim 3, wherein: The lower calender assembly comprises a support, a third driving member and a lower calender roller, the lower part of the support is connected with the base, the lower calender roller is rotatably connected with the upper part of the support, the third driving member is drivingly connected with the lower calender roller, the second scraper is in close contact with the lower surface of the lower calender roller, the dust suction cover of the second dust suction assembly is arranged below the lower calender roller and is connected with the support.

7. The rewinding calender for papermaking as recited in claim 1, wherein: The winding mechanism and the unwinding mechanism have the same structure; The unwinding mechanism comprises a second rotating frame, a fourth driving member and a winding and unwinding roller, one side of the second rotating frame is connected with the base, the winding and unwinding roller is rotatably connected with the other side of the second rotating frame, and the fourth driving member is drivingly connected with the winding and unwinding roller.

8. The rewinding calender for papermaking as recited in claim 1, wherein: A PLC controller is further included, which is electrically connected with the winding mechanism, the unwinding mechanism, the calender mechanism and the cleaning mechanism respectively.

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