Pressure-adjustable pressure roller of three-roller calender

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) waterproof roll production, in particular to a pressure-adjustable pressure roll of a three-roll calender, which comprises a support base, one end of a support rod is mounted on the top surface of the support base, and a left side cover and a right side cover are mounted at the other end of the support rod. A first pressing roller assembly and a second pressing roller assembly are installed on the surface of one side of the left side cover, main fixing blocks are installed on the surfaces of one sides of the left side cover and the right side cover correspondingly, and top covers are installed at the top ends of the left side cover and the right side cover correspondingly. According to the improved pressure roller of the three-roller calender, the design convenient to adjust is adopted, the roller body can be adjusted according to needs, the height of the movable roller can be adjusted through real-time monitoring of the pressure sensor so that the pressure of the movable roller can be adjusted, and the design convenient to maintain is adopted so that the pressure of the movable roller can be adjusted. The top cover, the left side cover and the right side cover can be quickly disassembled and assembled, so that the roller body and the movable roller can be conveniently maintained and replaced in time, and the production efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC waterproof coiled material production, in particular to a pressure roller of a three-roller calender with adjustable pressure. Background Art

[0002] The production process of PVC waterproofing membrane involves multiple steps, including raw material preparation, mixing, coating, drying, coating, coiling, and packaging. After coating, the membrane can be coiled and packaged. During coiling, the tension and tightness must be carefully controlled to ensure the overall quality and performance of the membrane. Packaging requires the use of waterproof film to protect the membrane from moisture and contamination.

[0003] In the production of PVC waterproof membrane, a three-roll calender is usually used. The fibers of the PVC waterproof membrane can be flattened or patterned on the surface of the PVC waterproof membrane under greater pressure to enhance the gloss of the PVC waterproof membrane.

[0004] In the process of realizing the present invention, the inventors found that the existing technology had the following problems: 1. The roller body of the existing three-roll calender pressure roller is usually fixed inside the equipment by bolts, which makes it inconvenient to adjust the height of the roller body according to needs, resulting in certain limitations on the use of the three-roll calender pressure roller; 2. The structure of the existing three-roll calender pressure roller is relatively complex, which makes it inconvenient to quickly remove the roller body and the movable roller from the equipment, and it is not easy to repair and replace the roller body and the movable roller. Utility Model Content

[0005] The purpose of the present invention is to provide a pressure roller of a three-roll calender with adjustable pressure, so as to solve the problem of inconvenience in adjustment and maintenance of the pressure roller of the three-roll calender proposed in the above background technology. In order to achieve the above purpose, the present invention provides the following technical solution: the pressure roller of a three-roll calender with adjustable pressure comprises a support base, one end of a support rod is installed on the top surface of the support base, a left cover and a right cover are installed on the other end of the support rod, a first pressure roller assembly and a second pressure roller assembly are installed on one side surface of the left cover, a main fixing block is installed on one side surface of the left cover and the right cover, and a top cover is installed on the top end of the left cover and the right cover, a secondary fixing block is installed on one side surface of the top cover, a third threaded rod is installed on the inner wall of the secondary fixing block, a handle is installed on the top end of the third threaded rod, and a pressure sensor is installed on the inner wall of the right cover.

[0006] The first pressure roller assembly includes a first servo motor installed at the bottom of the left cover, a first threaded rod is installed at the output end of the first servo motor, a first slider is installed on the outer wall of the first threaded rod, a second servo motor is installed on one side surface of the first slider, a drive shaft is installed at the output end of the second servo motor, a roller body is installed on the outer wall of the drive shaft, and a second slider is installed at one end of the drive shaft.

[0007] The second pressure roller assembly includes a third servo motor installed at the bottom of the left cover, a second threaded rod is installed at the output end of the third servo motor, a third slider is installed on the outer wall of the second threaded rod, a rotating rod is installed on one side surface of the third slider, the outer wall of the rotating rod is rotatably connected to a movable roller, a fourth slider is installed at one end of the rotating rod, and a pressure block is installed at the bottom of the fourth slider.

[0008] Further preferably, there are two rollers in total, and the first servo motor forms a transmission mechanism through the first threaded rod and the first slider.

[0009] Further preferably, the second servo motor forms a transmission mechanism through a drive shaft and a roller body.

[0010] Further preferably, the third servo motor forms a transmission mechanism through the second threaded rod and the third slider.

[0011] Further preferably, the top surfaces of the left cover and the right cover are both provided with sliding grooves whose internal dimension structures are consistent with the external dimension structures of the first slider, the second slider, the third slider and the fourth slider.

[0012] Further preferably, the top surface of the top cover is provided with a plurality of plug blocks and plug rods, and the top surfaces of the left cover and the right cover are both provided with mounting grooves whose internal dimension structures are consistent with the external dimension structures of the plug blocks and plug rods.

[0013] Further preferably, a mounting hole having an internal dimension structure consistent with an external dimension structure of the third threaded rod is opened on the top surface of the main fixing block, and the handle and the third threaded rod constitute a spiral transmission mechanism.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the utility model, a design that is easy to adjust is adopted, which is convenient for the user to start the first servo motor, and the first servo motor drives the first threaded rod to rotate, so that the first slider slides on the first threaded rod, and the position of the first slider can be adjusted, thereby adjusting the height of the roller body, and the third servo motor can be started, and the third servo motor drives the second threaded rod to rotate, so that the third slider slides on the second threaded rod, and the height of the movable roller is adjusted by adjusting the position of the third slider, and the pressure of the movable roller can be monitored in real time by squeezing the pressure sensor by the pressure block, and the pressure of the movable roller can be adjusted as needed.

[0016] The utility model adopts a design that is easy to maintain. The top cover and the left cover and the right cover can be quickly disassembled and assembled as needed. The handle can be rotated to drive the third threaded rod to rotate and move upward, so that the third threaded rod is pulled out of the mounting hole. Then, the top cover is separated from the left cover and the right cover respectively through the insertion block, the insertion rod and the mounting groove. The first servo motor and the third servo motor are started to move the roller body and the movable roller to the top end respectively, and the roller body and the movable roller are taken out, which is convenient for timely maintenance and replacement of the roller body and the movable roller, and effectively improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 This is an enlarged structural diagram of the first pressing roller assembly of the utility model;

[0020] Figure 4 This is an enlarged structural diagram of the second pressing roller assembly of the utility model.

[0021] In the figure: 1. Support base; 2. Support rod; 3. Left side cover; 4. Right side cover; 5. First pressure roller assembly; 501. First servo motor; 502. First threaded rod; 503. First slider; 504. Second servo motor; 505. Drive shaft; 506. Roller body; 507. Second slider; 6. Second pressure roller assembly; 601. Third servo motor; 602. Second threaded rod; 603. Third slider; 604. Rotating rod; 605. Movable roller; 606. Fourth slider; 607. Pressure block; 7. Main fixed block; 8. Top cover; 9. Second fixed block; 10. Third threaded rod; 11. Handle; 12. Pressure sensor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0023] See also Figures 1 to 4 The utility model provides a technical solution: a pressure roller of a three-roll calender with adjustable pressure, comprising a supporting base 1, one end of a supporting rod 2 is installed on the top surface of the supporting base 1, a left side cover 3 and a right side cover 4 are installed on the other end of the supporting rod 2, a first pressure roller assembly 5 and a second pressure roller assembly 6 are installed on one side surface of the left side cover 3, a main fixing block 7 is installed on one side surface of the left side cover 3 and the right side cover 4, and a top cover 8 is installed on the top end of the left side cover 3 and the right side cover 4, a secondary fixing block 9 is installed on one side surface of the top cover 8, a third threaded rod 10 is installed on the inner wall of the secondary fixing block 9, a handle 11 is installed on the top end of the third threaded rod 10, and a pressure sensor 12 is installed on the inner wall of the right side cover 4.

[0024] The first pressure roller assembly 5 includes a first servo motor 501 installed at the bottom of the left cover 3, the output end of the first servo motor 501 is installed with a first threaded rod 502, the outer wall of the first threaded rod 502 is installed with a first slider 503, a side surface of the first slider 503 is installed with a second servo motor 504, the output end of the second servo motor 504 is installed with a drive shaft 505, the outer wall of the drive shaft 505 is installed with a roller body 506, and one end of the drive shaft 505 is installed with a second slider 507.

[0025] The second pressure roller assembly 6 includes a third servo motor 601 installed at the bottom of the left cover 3, the output end of the third servo motor 601 is installed with a second threaded rod 602, the outer wall of the second threaded rod 602 is installed with a third slider 603, a side surface of the third slider 603 is installed with a rotating rod 604, the outer wall of the rotating rod 604 is rotatably connected to a movable roller 605, one end of the rotating rod 604 is installed with a fourth slider 606, and the bottom of the fourth slider 606 is installed with a pressure block 607.

[0026] In this embodiment, Figure 3 As shown, there are two roller bodies 506, and the first servo motor 501 forms a transmission mechanism through the first threaded rod 502 and the first slider 503; through this design, the first servo motor 501 can be started, and the first servo motor 501 drives the first threaded rod 502 to rotate, so that the first slider 503 slides on the first threaded rod 502, and the position of the first slider 503 is adjusted, thereby realizing the adjustment of the height of the roller body 506.

[0027] In this embodiment, Figure 3 As shown, the second servo motor 504 forms a transmission mechanism through the drive shaft 505 and the roller body 506; through this transmission mechanism, it is convenient for the user to start the second servo motor 504, and the second servo motor 504 drives the roller body 506 to rotate through the drive shaft 505, thereby calendering the waterproof membrane.

[0028] In this embodiment, Figure 4 As shown, the third servo motor 601 forms a transmission mechanism through the second threaded rod 602 and the third slider 603; through this design, it is convenient for the user to start the third servo motor 601, and the third servo motor 601 drives the second threaded rod 602 to rotate, so that the third slider 603 slides on the second threaded rod 602, and the height of the movable roller 605 is adjusted by adjusting the position of the third slider 603, and the pressure of the movable roller 605 can be monitored in real time by squeezing the pressure sensor 12 by the pressure block 607, so that the user can adjust the pressure of the movable roller 605 according to needs.

[0029] In this embodiment, Figure 2 As shown, the top surfaces of the left cover 3 and the right cover 4 are both provided with sliding grooves whose internal dimension structures are consistent with the external dimension structures of the first slider 503, the second slider 507, the third slider 603 and the fourth slider 606; through this design, when the user adjusts the height of the roller body 506 and the movable roller 605, the positioning of the sliding grooves can effectively prevent the roller body 506 and the movable roller 605 from being offset during movement.

[0030] In this embodiment, Figure 2 As shown, the top surface of the top cover 8 is provided with a plurality of plug blocks and plug rods, and the top surfaces of the left cover 3 and the right cover 4 are both provided with mounting grooves whose internal dimension structures are consistent with the external dimension structures of the plug blocks and plug rods; through this design, it is convenient to quickly connect and install the top cover 8 with the left cover 3 and the right cover 4 respectively through the plug blocks, plug rods and mounting grooves.

[0031] In this embodiment, Figure 2 As shown, the top surface of the main fixing block 7 is provided with a mounting hole whose internal dimension structure is consistent with the external dimension structure of the third threaded rod 10, and the handle 11 and the third threaded rod 10 constitute a spiral transmission mechanism; when the user plugs and installs the top cover 8 with the left cover 3 and the right cover 4 respectively, the mounting hole is now located directly below the third threaded rod 10. By rotating the handle 11, the third threaded rod 10 is driven to rotate downward and inserted into the mounting hole, which facilitates the quick fixation of the top cover 8 to the left cover 3 and the right cover 4 respectively.

[0032] The use method and advantages of the utility model: When the pressure roller of the three-roll calender with adjustable pressure is used, the working process is as follows:

[0033] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, first, the first servo motor 501 is started, and the first servo motor 501 drives the first threaded rod 502 to rotate, so that the first slider 503 slides on the first threaded rod 502, and the position of the first slider 503 is adjusted, and the height of the roller body 506 is adjusted. Then, the third servo motor 601 is started, and the third servo motor 601 drives the second threaded rod 602 to rotate, so that the third slider 603 slides on the second threaded rod 602. By adjusting the position of the third slider 603, the height of the movable roller 605 is adjusted, and the pressure of the movable roller 605 can be monitored in real time by squeezing the pressure sensor 12 by the pressure block 607, and the movable roller 605 can be adjusted as needed. 5 is adjusted, and then the second servo motor 504 is started. The second servo motor 504 drives the roller body 506 to rotate through the drive shaft 505. The waterproof membrane can be rolled when passing through the device. If the roller body 506 and the movable roller 605 need to be repaired or replaced, the handle 11 can be rotated to drive the third threaded rod 10 to rotate and move upward, so that the third threaded rod 10 is pulled out of the mounting hole. Then, the top cover 8 is separated from the left cover 3 and the right cover 4 respectively through the insertion block, the insertion rod and the mounting slot. The first servo motor 501 and the third servo motor 601 are started to move the roller body 506 and the movable roller 605 to the top respectively, and the roller body 506 and the movable roller 605 can be taken out.

[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure roller of a three-roll calender with adjustable pressure, comprising a supporting base (1), characterized in that: One end of a support rod (2) is mounted on the top surface of the support base (1), and a left side cover (3) and a right side cover (4) are mounted on the other end of the support rod (2); a first pressure roller assembly (5) and a second pressure roller assembly (6) are mounted on one side surface of the left side cover (3) and the right side cover (4); a main fixing block (7) is mounted on one side surface of each of the left side cover (3) and the right side cover (4); a top cover (8) is mounted on the top end of each of the left side cover (3) and the right side cover (4); a secondary fixing block (9) is mounted on one side surface of each of the top covers (8); a third threaded rod (10) is mounted on the inner wall of the secondary fixing block (9), and a handle (11) is mounted on the top end of the third threaded rod (10); and a pressure sensor (12) is mounted on the inner wall of the right side cover (4); The first pressing roller assembly (5) comprises a first servo motor (501) mounted on the bottom of the left side cover (3); a first threaded rod (502) is mounted on the output end of the first servo motor (501); a first slider (503) is mounted on the outer wall of the first threaded rod (502); a second servo motor (504) is mounted on one side surface of the first slider (503); a driving shaft (505) is mounted on the output end of the second servo motor (504); a roller body (506) is mounted on the outer wall of the driving shaft (505); and a second slider (507) is mounted on one end of the driving shaft (505); The second pressure roller assembly (6) comprises a third servo motor (601) mounted on the bottom of the left cover (3); a second threaded rod (602) is mounted on the output end of the third servo motor (601); a third slider (603) is mounted on the outer wall of the second threaded rod (602); a rotating rod (604) is mounted on one side surface of the third slider (603); a movable roller (605) is rotatably connected to the outer wall of the rotating rod (604); a fourth slider (606) is mounted on one end of the rotating rod (604); and a pressure block (607) is mounted on the bottom of the fourth slider (606).

2. The pressure roller of the three-roll calender with adjustable pressure according to claim 1, characterized in that: There are two roller bodies (506) in total, and the first servo motor (501) forms a transmission mechanism through the first threaded rod (502) and the first slider (503).

3. The pressure roller of the three-roll calender with adjustable pressure according to claim 1, characterized in that: The second servo motor (504) forms a transmission mechanism through a drive shaft (505) and a roller body (506).

4. The pressure roller of the three-roll calender with adjustable pressure according to claim 1, characterized in that: The third servo motor (601) forms a transmission mechanism through the second threaded rod (602) and the third slider (603).

5. The pressure roller of the three-roll calender with adjustable pressure according to claim 1, characterized in that: The top surfaces of the left cover (3) and the right cover (4) are both provided with sliding grooves whose internal dimensions are consistent with the external dimensions of the first slider (503), the second slider (507), the third slider (603) and the fourth slider (606).

6. The pressure roller of the three-roll calender with adjustable pressure according to claim 1, characterized in that: The top surface of the top cover (8) is provided with a plurality of plug blocks and plug rods, and the top surfaces of the left cover (3) and the right cover (4) are both provided with mounting grooves whose internal dimension structures are consistent with the external dimension structures of the plug blocks and plug rods.

7. The pressure roller of the three-roll calender with adjustable pressure according to claim 1, characterized in that: The top surface of the main fixing block (7) is provided with a mounting hole whose internal dimension structure is consistent with the external dimension structure of the third threaded rod (10), and the handle (11) and the third threaded rod (10) form a spiral transmission mechanism.

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