Papermaking press roll structure

Abstract

The utility model relates to the technical field of paper production, in particular to a papermaking press roll structure which comprises a mounting frame, a reduction gearbox is fixedly connected to the lower surface of the mounting frame, an air exhaust shaft is rotatably connected to the inner surface of the mounting frame, a blanking cap is connected to the outer surface of the air exhaust shaft in a nested mode, and a rubber covered roller is detachably connected to the inner surface of the blanking cap. The position of the cleaning brush is adjusted so that the cleaning brush can be suitable for rubber covered rollers of different sizes, after the distance is changed, tensioning of the transmission belt after adjustment is achieved through adjustment of the hydraulic cylinder, adjustment of the position of the cleaning brush is achieved, and the rubber covered rollers are scraped when the cleaning brush rotates. According to the rubber covered roller, the adhesion amount of sundries on the outer surface of the rubber covered roller is reduced, squeezing of water is facilitated, the cost for replacing parts when the rubber covered roller deforms is saved, meanwhile, the rubber covered roller is reinforced, and the possibility of deformation of the rubber covered roller is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of paper production, in particular to a papermaking pressing roller structure. Background Art

[0002] When producing oil-absorbing paper, a press roller is required to squeeze the pulp to reduce the water content in the pulp and make the pulp suitable for subsequent processing. Some devices have also appeared in the prior art, such as the vacuum pressing and dehydration system described in Publication No. CN220927333U, which includes a press roller, the right end face of the press roller is not sealed, a sealing cover is provided on the right end of the press roller, mounting plates are provided on the left and right sides of the press roller, a drive assembly is provided on the left end of the press roller, a negative pressure tube is provided in the inner cavity of the press roller, the left end face of the negative pressure tube is fixedly connected to a rotating shaft, and the left end of the rotating shaft is rotatably connected to the press roller;

[0003] The above device solves the problem of low dehydration efficiency, but the lack of a supporting structure between the rubber-coated roller and the vacuum shaft leads to the possibility of deformation of the rubber-coated roller, which further leads to frequent replacement of the rubber-coated roller and increased parts costs for maintenance of the press roll. In addition, the scraper position cannot be adjusted, resulting in it not being suitable for rubber-coated rollers of different sizes. Utility Model Content

[0004] The purpose of the present utility model is to provide a papermaking press roller structure to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A papermaking pressing roller structure includes a mounting frame, the lower surface of the mounting frame is fixedly connected to a reduction gear box, the inner surface of the mounting frame is rotatably connected to an exhaust shaft, the outer surface of the exhaust shaft is nested and connected to a blocking cover, the inner surface of the blocking cover is detachably connected to a rubber-coated roller, the inner surface of the mounting frame is detachably connected to an adjustment mechanism, the side surface of the adjustment mechanism is movably connected to a transmission mechanism, the interior of the rubber-coated roller is movably connected to a plurality of inner support assemblies, the adjustment mechanism is used to adjust the position of the transmission mechanism, the transmission mechanism is used to cooperate with the reduction gear box to drive the exhaust shaft, and the inner support assemblies are used to reinforce the rubber-coated roller.

[0007] Furthermore, a scraper is fixedly connected to the inner top surface of the mounting frame.

[0008] Furthermore, a power motor is fixedly connected to the front surface of the reduction box, an output end of the power motor is fixedly connected to an input end of the reduction box, and an output end of the reduction box is fixedly connected to an exhaust shaft.

[0009] Furthermore, the adjustment mechanism includes an adjustment sleeve, which is detachably mounted on the lower surface of the mounting frame, the side surface of the adjustment sleeve is threadedly connected to an adjustment knob, the interior of the adjustment sleeve is embedded with a movably connected limit rod, a limit seat is fixedly mounted on the side surface of the adjustment sleeve away from the adjustment knob position, the sliding seat is slidably connected to the outer surface of the limit seat, the rear surface of the sliding seat is fixedly connected to a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected to the adjustment sleeve.

[0010] Furthermore, the transmission mechanism includes a No. 1 seat bearing, there are two No. 1 seat bearings, both of which are detachably mounted on the lower surface of the adjusting sleeve, the inner ring portion of the No. 1 seat bearing is interference-connected with the vacuum shaft, the No. 2 seat bearing is detachably connected to the front surface of the sliding seat, the inner ring portion of the No. 2 seat bearing is interference-connected with the rotating shaft, there are two No. 3 seat bearings, one of which is detachably connected to the upper surface of the limit rod, and the other No. 3 seat bearing is mounted on the inner surface of the mounting frame, the inner ring portion of the No. 3 seat bearing is fixedly connected with a cleaning brush, there are three pulleys, which are respectively nested and mounted on the outer surfaces of the rotating shaft, the blocking cover and the cleaning brush, and the outer surface of the pulley is nested and connected with a transmission belt.

[0011] Furthermore, the inner support assembly includes a snap-fit seat, which is nested and connected to the outer surface of the vacuum shaft. The side surface of the snap-fit seat is snap-connected to the placement seat. A support rod is placed between the snap-fit seat and the placement seat. A connecting bolt is threadedly connected to the outer surface of the snap-fit seat. One end of the connecting bolt passes through the placement seat, and one end of the connecting bolt is in conflict with the vacuum shaft. An air hole is provided on the outer surface of the placement seat, and an air port is provided on the outer surface of the support rod.

[0012] Furthermore, the outer surface of the rubber-coated roller is provided with a hole, the outer surface of the blocking cover is threadedly connected with a bolt, and the bolt passes through the rubber-coated roller.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] Adjusting the position of the cleaning brush can make it suitable for rubber-coated rollers of different sizes. After the distance is changed, the tension of the rear transmission belt is adjusted by adjusting the hydraulic cylinder to adjust the position of the cleaning brush. When the cleaning brush rotates, it scrapes the rubber-coated roller to reduce the amount of debris attached to the outer surface of the rubber-coated roller, which is beneficial to water squeezing.

[0015] The end of the support rod, the clamping seat and the placement seat form a mortise and tenon structure. The support rod can be removed by rotating the connecting bolt using a tool. There is no need to replace the entire vacuum shaft, which saves the cost of replacing parts when the rubber-coated roller is deformed. At the same time, the rubber-coated roller is reinforced to reduce the possibility of deformation of the rubber-coated roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the vacuum shaft of the utility model;

[0019] Figure 4 This is a schematic diagram of the disassembled structure of the inner support assembly of the utility model.

[0020] In the figure: 1. Mounting frame; 101. Scraper; 2. Reducer; 201. Power motor; 3. Adjusting mechanism; 301. Adjusting sleeve; 302. Adjusting knob; 303. Limit seat; 304. Limit rod; 305. Sliding seat; 306. Hydraulic cylinder; 4. Transmission mechanism; 401. Bearing with seat No. 1; 402. Bearing with seat No. 2; 403. Bearing with seat No. 3; 404. Rotating shaft; 405. Pulley; 406. Drive belt; 407. Cleaning brush; 5. Cover; 501. Exhaust shaft; 502. Rubber-coated roller; 6. Inner support assembly; 601. Snap-fit seat; 602. Connecting bolt; 603. Placement seat; 604. Air hole; 605. Support rod; 606. Air port. DETAILED DESCRIPTION

[0021] 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 technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1 to 4 In an embodiment of the present invention, a papermaking press roller structure includes a mounting frame 1, the lower surface of the mounting frame 1 is fixedly connected to a reduction gear box 2, the inner surface of the mounting frame 1 is rotatably connected to an exhaust shaft 501, the outer surface of the exhaust shaft 501 is nested and connected to a blocking cover 5, the inner surface of the blocking cover 5 is detachably connected to a rubber-coated roller 502, the inner surface of the mounting frame 1 is detachably connected to an adjusting mechanism 3, the side surface of the adjusting mechanism 3 is movably connected to a transmission mechanism 4, the interior of the rubber-coated roller 502 is movably connected to a number of inner support assemblies 6, the adjusting mechanism 3 is used to adjust the position of the transmission mechanism 4, the transmission mechanism 4 is used to cooperate with the reduction gear box 2 to drive the exhaust shaft 501, and the inner support assembly 6 is used to reinforce the rubber-coated roller 502.

[0023] Specifically, when in use, the rubber-coated roller 502 rotates to squeeze the pulp and reduce the water content of the pulp. The reduction gearbox 2 is used to cooperate with the power motor 201 to drive the vacuum shaft 501 to rotate. The other end of the vacuum shaft 501 is equipped with an air pipe rotary joint for connecting to an external negative pressure pipe to allow water from the pulp to enter the interior of the rubber-coated roller 502. The adjustment mechanism 3 is used to adjust the position of the transmission mechanism 4, further adjust the position of the cleaning brush 407, and keep the transmission belt 406 in a tensioned state to prevent the transmission belt 406 from slipping. The inner support assembly 6 is used to support the inner wall of the rubber-coated roller 502 to enhance the strength of the rubber-coated roller 502, and the inner support assembly 6 is detachable to avoid replacing the entire inner support assembly 6, thereby saving the cost required for device maintenance.

[0024] Example 1

[0025] like Figure 1-2 As shown, the inner top surface of the mounting frame 1 is fixedly connected with a scraper 101, the front surface of the reduction gear box 2 is fixedly connected with a power motor 201, the output end of the power motor 201 is fixedly connected to the input end of the reduction gear box 2, and the output end of the reduction gear box 2 is fixedly connected to the exhaust shaft 501.

[0026] In this embodiment, when the cleaning brush 407 rotates, the cleaning brush 407 contacts the scraper 101, and the scraper 101 scrapes off some of the pulp debris in the cleaning brush 407. The power motor 201 cooperates with the reduction gearbox 2 to drive the vacuum shaft 501 to rotate. The output end of the reduction gearbox 2 and the vacuum shaft 501 can be connected using a coupling in the prior art.

[0027] like Figure 1-2 As shown, the adjustment mechanism 3 includes an adjustment sleeve 301, which is detachably mounted on the lower surface of the mounting frame 1. The side surface of the adjustment sleeve 301 is threadedly connected with an adjustment knob 302. The interior of the adjustment sleeve 301 is embedded with a movable limit rod 304, and a limit seat 303 is fixedly mounted on the side surface of the adjustment sleeve 301 away from the adjustment knob 302. The sliding seat 305 is slidably connected to the outer surface of the limit seat 303. The rear surface of the sliding seat 305 is fixedly connected with a hydraulic cylinder 306, and the output end of the hydraulic cylinder 306 is fixedly connected to the adjustment sleeve 301.

[0028] In this embodiment, the hydraulic cylinder 306 is started, and the output end of the adjustment sleeve 301 is extended, so that the adjustment sleeve 301 cooperates with the limit seat 303 and the sliding seat 305 to move relative to each other, increasing the distance between the two, changing the distance between the No. 2 belt seat bearing 402 and the No. 3 belt seat bearing 403 and the No. 1 belt seat bearing 401, so that the transmission belt 406 is in a tensioned state, which is convenient for adjusting the position of the cleaning brush 407 in the later stage. Adjusting the position of the cleaning brush 407 can make the cleaning brush 407 suitable for rubber-coated rollers 502 of different sizes. When adjusting , use a tool to rotate the adjusting knob 302 so that the adjusting knob 302 loses its fixing effect on the limit rod 304, and manually move the limit rod 304 upward or downward to change the distance between the No. 3 seat bearing 403 and the No. 1 seat bearing 401. After the distance is changed, the tension of the rear transmission belt 406 is adjusted by adjusting the hydraulic cylinder 306, and the position of the cleaning brush 407 is adjusted. When the cleaning brush 407 rotates, it scrapes the rubber-coated roller 502 to reduce the amount of debris attached to the outer surface of the rubber-coated roller 502, which is beneficial to water squeezing.

[0029] like Figure 3-4 As shown, the transmission mechanism 4 includes a No. 1 seat bearing 401, and there are two No. 1 seat bearings 401, both of which are detachably mounted on the lower surface of the adjusting sleeve 301. The inner ring part of the bearing of the No. 1 seat bearing 401 is interference connected with the vacuum shaft 501, and the No. 2 seat bearing 402 is detachably connected to the front surface of the sliding seat 305. The inner ring part of the No. 2 seat bearing 402 is interference connected with the rotating shaft 404. There are two No. 3 seat bearings 403, one of which is detachably connected to the upper surface of the limit rod 304, and the other No. 3 seat bearing 403 is mounted on the inner surface of the mounting frame 1. The inner ring part of the No. 3 seat bearing 403 is fixedly connected with a cleaning brush 407. There are three pulleys 405, which are respectively nested and mounted on the outer surfaces of the rotating shaft 404, the blocking cover 5 and the cleaning brush 407, and the outer surface of the pulley 405 is nested and connected with a transmission belt 406.

[0030] In this embodiment, the No. 1 seat bearing 401, the No. 2 seat bearing 402 and the No. 3 seat bearing 403 are respectively detachably connected by a bolt assembly. The No. 1 seat bearing 401 is used to install the rubber-coated roller 502, the No. 2 seat bearing 402 is used to install the rotating shaft 404, and the No. 3 seat bearing 403 is used to install the cleaning brush 407. The exhaust shaft 501, the rotating shaft 404 and the cleaning brush 407 are driven by the pulley 405 and the transmission belt 406.

[0031] Example 2

[0032] On the basis of the first embodiment, in order to make up for the problem in the first embodiment that it is inconvenient to provide internal support for the rubber-coated roller 502.

[0033] like Figure 3-4As shown, the inner support assembly 6 includes a clamping seat 601, which is nested and connected to the outer surface of the vacuum shaft 501. The side surface of the clamping seat 601 is clamped and connected to the placement seat 603. A support rod 605 is placed between the clamping seat 601 and the placement seat 603. A connecting bolt 602 is threadedly connected to the outer surface of the clamping seat 601. One end of the connecting bolt 602 passes through the placement seat 603, and one end of the connecting bolt 602 is in conflict with the vacuum shaft 501. An air hole 604 is provided on the outer surface of the placement seat 603, and an air port 606 is provided on the outer surface of the support rod 605.

[0034] In this embodiment, the clamping seat 601 cooperates with the placement seat 603 to limit the support rod 605, and the end of the support rod 605 and the clamping seat 601 and the placement seat 603 form a mortise and tenon structure, and the connecting bolt 602 limits the placement seat 603 and the rubber-coated roller 502. The rubber-coated roller 502 is internally supported by the support rod 605. Therefore, the support rod 605 can be removed by rotating the connecting bolt 602 using a tool, and there is no need to replace the entire vacuum shaft 501, saving the cost of replacing parts when the rubber-coated roller 502 is deformed.

[0035] like Figure 1 As shown, holes are opened on the outer surface of the rubber-coated roller 502 , and bolts are threadedly connected to the outer surface of the blocking cover 5 , and the bolts pass through the rubber-coated roller 502 .

[0036] In this embodiment, suction holes are opened on the outer surface of the suction shaft 501 to allow water to enter the air holes 604 from the holes and the air port 606, so that the supporting position can also absorb water under negative pressure.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0038] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A papermaking press roller structure, comprising a mounting frame (1), wherein the lower surface of the mounting frame (1) is fixedly connected to a reduction box (2), the inner surface of the mounting frame (1) is rotatably connected to an air extraction shaft (501), the outer surface of the air extraction shaft (501) is nested and connected to a blocking cover (5), and the inner surface of the blocking cover (5) is detachably connected to a rubber-coated roller (502); It is characterized by: The inner surface of the mounting frame (1) is detachably connected to an adjusting mechanism (3), the side surface of the adjusting mechanism (3) is movably connected to a transmission mechanism (4), the interior of the rubber-coated roller (502) is movably connected to a plurality of inner support assemblies (6), the adjusting mechanism (3) is used to adjust the position of the transmission mechanism (4), the transmission mechanism (4) is used to cooperate with the reduction box (2) to drive the vacuum shaft (501), and the inner support assemblies (6) are used to reinforce the rubber-coated roller (502).

2. The papermaking press roll structure according to claim 1, characterized in that: A scraper (101) is fixedly connected to the inner top surface of the mounting frame (1).

3. The papermaking press roll structure according to claim 1, characterized in that: The front surface of the reduction box (2) is fixedly connected to a power motor (201), the output end of the power motor (201) is fixedly connected to the input end of the reduction box (2), and the output end of the reduction box (2) is fixedly connected to the exhaust shaft (501).

4. The papermaking press roll structure according to claim 1, characterized in that: The regulating mechanism (3) comprises: An adjusting sleeve (301) is detachably mounted on the lower surface of the mounting frame (1), wherein the side surface of the adjusting sleeve (301) is threadedly connected with an adjusting knob (302), and a movable limit rod (304) is embedded in the interior of the adjusting sleeve (301); A limit seat (303) is fixedly mounted on a side surface of the adjustment sleeve (301) away from the adjustment knob (302); The sliding seat (305) is slidably connected to the outer surface of the limiting seat (303), the rear surface of the sliding seat (305) is fixedly connected to the hydraulic cylinder (306), and the output end of the hydraulic cylinder (306) is fixedly connected to the adjustment sleeve (301).

5. The papermaking press roll structure according to claim 4, characterized in that: The transmission mechanism (4) comprises: Two No. 1 seat bearings (401) are detachably mounted on the lower surface of the adjustment sleeve (301), and the inner ring of the No. 1 seat bearing (401) is interference-connected with the exhaust shaft (501); A second seat bearing (402) is detachably connected to the front surface of the sliding seat (305), and the inner ring of the second seat bearing (402) is interference-connected with the rotating shaft (404); There are two No. 3 seat bearings (403), one of which is detachably connected to the upper surface of the limiting rod (304), and the other No. 3 seat bearing (403) is installed on the inner surface of the mounting frame (1), and the inner ring portion of the No. 3 seat bearing (403) is fixedly connected to a cleaning brush (407); There are three pulleys (405) which are respectively nested and installed on the outer surfaces of the rotating shaft (404), the blocking cover (5) and the cleaning brush (407). The outer surfaces of the pulleys (405) are nested and connected with a transmission belt (406).

6. The papermaking press roll structure according to claim 5, characterized in that: The inner support assembly (6) comprises: A clamping seat (601) is nested and connected to the outer surface of the vacuum shaft (501); the side surface of the clamping seat (601) is clamped and connected to the placement seat (603); a support rod (605) is placed between the clamping seat (601) and the placement seat (603); The connecting bolt (602) is threadedly connected to the outer surface of the clamping seat (601), one end of the connecting bolt (602) passes through the placement seat (603), and one end of the connecting bolt (602) contacts the exhaust shaft (501), the outer surface of the placement seat (603) is provided with an air hole (604), and the outer surface of the support rod (605) is provided with an air port (606).

7. The papermaking press roll structure according to claim 1, characterized in that: The outer surface of the rubber-coated roller (502) is provided with holes, and the outer surface of the blocking cover (5) is threadedly connected with bolts, and the bolts pass through the rubber-coated roller (502).

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