Papermaking roller

Abstract

The invention relates to the technical field of drilling, in particular to a papermaking roller which comprises a base, supporting plates and a roller assembly are fixed to the left end and the right end of the base, and the roller assembly comprises rotating seats rotationally connected to the two supporting plates and assembling plates fixed to the inner ends of the two rotating seats. The first roller unit and the second roller unit are rotationally connected between the two assembly plates, the second roller unit is rotationally connected to the other ends of the two assembly plates through bearings, and the first roller unit and the second roller unit are symmetrically arranged on the two sides of the axis of the rotating base and are driven by rotation of a reciprocating screw to rotate around the axis of the rotating base. And when the touch sensor performs left-right reciprocating detection, the first roller unit or the second roller unit rotates relative to the linear motion of the touch sensor, so that the detection track aiming at the surface of the rubber layer is spiral, the detection area is increased, and the detection quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of paper rollers, in particular to a papermaking roller. Background Art

[0002] In the papermaking process, pressing and dehydration is a key link that directly affects paper quality, production efficiency and energy consumption. Existing papermaking equipment is equipped with a paper roller for dehydration. After the paper passes through the filter screen and reaches the paper roller, it is rolled by the paper roller to complete the dehydration. During dehydration, in order to avoid local overpressure or underpressure of the paper web and ensure that the pressing force is evenly distributed in the width direction of the paper web, the existing dehydration paper rollers are often composed of two upper and lower rollers in pairs.

[0003] In order to improve dehydration efficiency and prevent paper damage during dehydration, the outer layer of the existing paper roller is made of a rubber layer with good wear resistance. However, due to the dehydration process, the rubber layer is likely to be locally corroded, and the local position will be short of material after long-term use, affecting normal use. The existing paper roller lacks detection function and cannot avoid this problem in the first time. When the two rollers are pressed on the paper surface for dehydration, the quality of the paper will be affected. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a papermaking roller, including a base, support plates are fixed at the left and right ends of the base, and a roller assembly is installed between the two support plates, and the roller assembly includes a swivel seat transferred to the two support plates, an assembly plate fixed to the inner ends of the two swivel seats, and a first roller unit and a second roller unit transferred between the two assembly plates, the first roller unit is transferred to one end of the two assembly plates through a bearing, and the second roller unit is transferred to the other end of the two assembly plates through a bearing, the first roller unit and the second roller unit are symmetrical on both sides of the axis of the swivel seat, a rubber layer is provided on the outside of the two roller units, and the outer circumferential surfaces of the two rubber layers are in rolling contact to form a clamping effect, a reciprocating screw is installed on the base through a bearing seat, the reciprocating screw is parallel to the bottom of the two support plates, a reciprocating frame is installed on the reciprocating screw, and the reciprocating A detection mechanism is installed on the reciprocating frame, and the detection mechanism includes a tactile sensor arranged on the reciprocating frame. A limiting hole is opened on the assembly plate, and a limiting bolt is installed on the support plate. When the assembly plate is rotated until the limiting hole overlaps with the inner end of the limiting bolt, the inner end of the limiting bolt is inserted into the limiting hole to lock the assembly plate and make the assembly plate vertical at the same time. The two support plates can carry the first roller unit and the second roller unit to rotate with the swivel seat, so that the rubber layers on the first roller unit and the second roller unit have the opportunity to contact the probe of the tactile sensor. When the reciprocating frame carries the tactile sensor for reciprocating linear motion, the probe of the tactile sensor forms a spiral detection track on the surface of the rubber layer. A display device is installed on the base, and the tactile sensor is electrically connected to the display device.

[0005] As a further preferred embodiment, a guide rod is installed on the base, one end of the reciprocating frame is engaged with the reciprocating screw, and the other end of the reciprocating frame is provided with a guide hole, and the reciprocating frame is slidably engaged with the guide rod through the guide hole.

[0006] As a further preferred embodiment, a driven gear is installed at the end of the reciprocating screw, and a driving gear is installed at the ends of the first roller unit and the second roller unit. When the assembly plate is positioned at a vertical angle, one of the driving gears is meshed with the driven gear, and the driven gear is located on the rotation path of the two driving gears. The diameter of the driven gear is larger than the diameter of the driving gear, and the diameters of the two driving gears are the same.

[0007] As a further preferred embodiment, the two assembly plates are each provided with two front and rear limiting holes, and the two support plates are each provided with two front and rear limiting bolts.

[0008] As a further preferred embodiment, a weight-reducing cavity is provided on the bottom surface of the base, a reinforcing plate is welded in the weight-reducing cavity, and positioning holes are provided at the four corners of the base.

[0009] As a further preferred embodiment, the front of the reciprocating frame is inclined downward, and a rotation groove is opened on the front of the reciprocating frame along the inclined angle. The detection mechanism also includes a rotating rod connected in the rotation groove, and the tactile sensor is installed on the rotating rod. When the rotating rod rotates forward, the tactile sensor is driven away from the first roller unit or the second roller unit. When the rotating rod rotates backward, the tactile sensor is driven close to the first roller unit or the second roller unit, and the probe is contacted with the outer circular surface of the rubber layer.

[0010] As a further preferred embodiment, the detection mechanism also includes a controller fixed on the base, an electromagnetic suction cup fixed in the rotating groove, an iron sheet fixed on the rotating rod and facing the electromagnetic suction cup, and a tension spring connected between the rotating rod and the reciprocating frame, and the electromagnetic suction cup is controlled by the controller.

[0011] As a further preferred embodiment, a protective cover is installed on the base, the detection mechanism and the reciprocating screw are covered within the protective cover, the protective cover is arc-shaped, and seepage holes are opened on the top surface and front, rear, left and right surfaces of the base.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The present invention has an automatic detection function, and completes synchronous detection when the first roller unit and the second roller unit dehydrate the paper web. The detection function can also be controlled. When the detection is qualified, the detection function is automatically powered off to reduce losses. During the detection process, not only the first roller unit and the second roller unit normally convey and dehydrate the paper web, but also the power when the detection function is realized comes from the rotation of the first roller unit and the second roller unit, which combines the normal work with the detection function and saves the power mechanism. In addition, the detection function is reciprocated left and right by the rotation drive of the reciprocating screw, and when the tactile sensor reciprocates left and right for detection, the first roller unit or the second roller unit rotates relative to the linear motion of the tactile sensor, so that the detection track for the surface of the rubber layer is spiral, thereby increasing the detection area and improving the detection quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the overall external structure of a papermaking roller provided in an embodiment of the present invention;

[0015] Figure 2 A schematic diagram of a papermaking roller provided by an embodiment of the present invention when a gear is removed;

[0016] Figure 3 A papermaking roller provided in an embodiment of the present invention is composed of Figure 2 A schematic diagram from another perspective;

[0017] Figure 4 A papermaking roller provided in an embodiment of the present invention is composed of Figure 1 The main view plane diagram is drawn;

[0018] Figure 5 A papermaking roller provided in an embodiment of the present invention is composed of Figure 1 The schematic diagram from the upward perspective is introduced;

[0019] Figure 6 A schematic diagram of the rotation of an assembly plate in a papermaking roller provided in an embodiment of the present invention;

[0020] Figure 7 A papermaking roller provided in an embodiment of the present invention is composed of Figure 1 A schematic diagram from another perspective;

[0021] Figure 8 A papermaking roller provided in an embodiment of the present invention is composed of Figure 7 An enlarged schematic diagram of part A is shown.

[0022] In the figure: 1. base; 2. support plate; 3. roller assembly; 4. swivel seat; 5. assembly plate; 6. first roller unit; 7. second roller unit; 8. rubber layer; 9. reciprocating screw; 10. reciprocating frame; 11. tactile sensor; 12. limiting hole; 13. limiting bolt; 14. display device; 15. guide rod; 16. driven gear; 17. driving gear; 18. weight reduction cavity; 19. reinforcement plate; 20. positioning hole; 21. rotating groove; 22. rotating rod; 23. controller; 24. electromagnetic suction cup; 25. iron sheet; 26. tension spring; 28. seepage hole. DETAILED DESCRIPTION

[0023] The above and other embodiments and advantages of the present invention are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments.

[0024] In one embodiment, Figure 1-Figure 8 As shown:

[0025] The present embodiment provides a papermaking roller, including a base 1, support plates 2 are fixed at the left and right ends of the base 1, a roller assembly 3 is installed between the two support plates 2, the roller assembly 3 includes a swivel seat 4 transferred to the two support plates 2, an assembly plate 5 fixed on the inner ends of the two swivel seats 4, and a first roller unit 6 and a second roller unit 7 transferred between the two assembly plates 5, the first roller unit 6 is transferred to one end of the two assembly plates 5 through a bearing, and the second roller unit 7 is transferred to the other end of the two assembly plates 5 through a bearing, the first roller unit 6 and the second roller unit 7 are symmetrical on both sides of the axis of the swivel seat 4, a rubber layer 8 is provided on the outside of the two roller units 6, and the outer circumferential surfaces of the two rubber layers 8 are in rolling contact to form a clamping effect, a reciprocating screw 9 is installed on the base 1 through a bearing seat, the reciprocating screw 9 is parallel to the bottom of the two support plates 2, a reciprocating frame 10 is installed on the reciprocating screw 9, and the reciprocating frame 10 is mounted on the reciprocating screw A detection mechanism is installed, which includes a tactile sensor 11 arranged on a reciprocating frame 10, a limiting hole 12 is opened on the assembly plate 5, and a limiting bolt 13 is installed on the support plate 2. When the assembly plate 5 is rotated to overlap the limiting hole 12 with the inner end of the limiting bolt 13, the inner end of the limiting bolt 13 is inserted into the limiting hole 12, so that the assembly plate 5 is locked and the assembly plate 5 is vertical at the same time. The two support plates 2 can rotate with the first roller unit 6 and the second roller unit 7 following the rotation seat 4, so that the rubber layers 8 on the first roller unit 6 and the second roller unit 7 have the opportunity to contact the probe of the tactile sensor 11. When the reciprocating frame 9 carries the tactile sensor 11 for reciprocating linear motion, the probe of the tactile sensor 11 forms a spiral detection track on the surface of the rubber layer 8. A display device 14 is installed on the base 1, and the tactile sensor 11 is electrically connected to the display device 14.

[0026] As a further preferred embodiment, a guide rod 15 is installed on the base 1, one end of the reciprocating frame 9 is engaged with the reciprocating screw 9, and a guide hole is opened at the other end of the reciprocating frame 9, and the reciprocating frame 9 is slidably engaged with the guide rod 15 through the guide hole.

[0027] As a further preferred embodiment, a driven gear 16 is installed at the end of the reciprocating screw 9, and a driving gear 17 is installed at the ends of the first roller unit 6 and the second roller unit 7. When the assembly plate 5 is positioned at a vertical angle, one of the driving gears 17 is engaged with the driven gear 16, and the driven gear 16 is located on the rotation path of the two driving gears 17. The diameter of the driven gear 16 is larger than the diameter of the driving gear 17, and the diameters of the two driving gears 17 are the same.

[0028] As a further preferred embodiment, two front and rear limiting holes 12 are formed on the two assembly plates 5 , and two front and rear limiting bolts 13 are installed on the two support plates 2 .

[0029] As a further preference, a weight-reducing cavity 18 is provided on the bottom surface of the base 1, a reinforcing plate 19 is welded inside the weight-reducing cavity 18, and positioning holes 20 are opened at the four corners of the base 1 for assembling the entire paper roll onto the papermaking equipment.

[0030] As a further preferred embodiment, the front of the reciprocating frame 10 is inclined downward, and a rotating groove 21 is opened on the front of the reciprocating frame 10 along the inclined angle. The detection mechanism also includes a rotating rod 22 connected in the rotating groove 21, and the tactile sensor 11 is installed on the rotating rod 22. When the rotating rod 22 rotates forward, it drives the tactile sensor 11 away from the first roller unit 6 or the second roller unit 7. When the rotating rod 22 rotates backward, it drives the tactile sensor 11 close to the first roller unit 6 or the second roller unit 7, and the probe contacts the outer cylindrical surface of the rubber layer 8.

[0031] As a further preferred embodiment, the detection mechanism also includes a controller 23 fixed on the base 1, an electromagnetic suction cup 24 fixed in the rotating groove 21, an iron sheet 25 fixed on the rotating rod 22 and facing the electromagnetic suction cup 24, and a tension spring 26 connected between the rotating rod 22 and the reciprocating frame 10, and the electromagnetic suction cup 24 is controlled by the controller 23.

[0032] As a further preferred embodiment, a protective cover (omitted in the existing protective structure diagram) is installed on the base 1, and the detection mechanism and the reciprocating screw 9 are covered inside the protective cover. The protective cover is arc-shaped, and seepage holes 28 are opened on the top surface and the front, rear, left and right surfaces of the base 1. After the paper web is dehydrated by the first roller unit 6 and the second roller unit 7, the dripping water is blocked by the protective cover and then leaks outward through the seepage holes 28.

[0033] When in use, the base 1 is fixed on the papermaking equipment through the positioning hole 20, the entire papermaking roller is positioned on the conveyor line by the base 1, and the left and right groups of limiting bolts 13 are inserted into the limiting holes 12 to quickly fix the left and right assembly plates 5. At this time, either the first roller unit 6 is located at the top, or the second roller unit 7 is located at the top, and one end of the first roller unit 6 and the second roller unit 7 is driven together with the power mechanism on the equipment by means of a pulley (generally, a pulley is installed at one end of the first roller unit 6 and the second roller unit 7, and then a conveyor belt is installed on the pulley, and the other end of the conveyor belt is connected to the power component on the equipment). The paper web enters between the first roller unit 6 and the second roller unit 7 and is rolled between the two rubber layers 8. The first roller unit 6 and the second roller unit 7 rotate in opposite directions with the two rubber layers 8 under the transmission of the papermaking equipment, and the paper web is transported to the next process driven by the two rubber layers 8. During the transportation process, it is squeezed and dehydrated by the two rubber layers 8. In addition, if the first roller unit 6 is located at the bottom, when the first roller unit 6 is working, the driven gear 16 is driven to rotate by the driving gear 17, and the reciprocating screw 9 is driven to rotate by the driven gear 16, and the reciprocating screw 9 drives the reciprocating frame 10 to move left and right, and the reciprocating frame 10 moves left and right with the tactile sensor 11, and the probe of the tactile sensor 11 moves left and right along the surface of the rubber layer 8 of the first roller unit 6, and forms a spiral detection track on the surface of the rubber layer 8. If the surface of the rubber layer 8 is short of material or has unevenness, the tactile sensor 11 will transmit the defect signal back to the controller 23. According to the qualified detection range on the controller 23, if the detection value is within this qualified range, an instruction is sent to the execution unit of the controller 23, and the execution unit sends a qualified signal and feeds back on the display device 14. If the detection value is not within this qualified range, the execution unit sends an unqualified signal and feeds back on the display device 14. If it is qualified, it proves that the first roller unit 6 can be used normally, otherwise the rubber layer 8 needs to be replaced.

[0034] Similarly, loosen the left and right sets of limiting bolts 13 outwards to make their inner ends disengage from the limiting holes 12. At this time, the left and right assembly plates 5 are freed from being locked. Figure 6As shown, the two assembly plates 5 are rotated, and the two assembly plates 5 drive the first roller unit 6 and the second roller unit 7 to rotate, so that the second roller unit 7 is located at the bottom and the first roller unit 6 is located at the top. Then, the two assembly plates 5 are locked by the limiting bolts 13. At this time, the second roller unit 7 is located at the bottom. When the second roller unit 7 rotates, the driven gear 16 is driven to rotate by the driving gear 17, and the reciprocating screw 9 is driven to rotate by the driven gear 16. The reciprocating screw 9 drives the reciprocating frame 10 to move left and right, and the reciprocating frame 10 drives the tactile sensor 11 to move left and right. The probe of the tactile sensor 11 moves left and right along the surface of the rubber layer 8 of the second roller unit 7. When the rubber layer 8 moves, a spiral detection track will be formed on the surface of the rubber layer 8. If the surface of the rubber layer 8 is missing or uneven, the tactile sensor 11 will transmit the defect signal back to the controller 23. According to the qualified detection range on the controller 23, if the detection value is within the qualified range, an instruction is sent to the execution unit of the controller 23, and the execution unit sends a qualified signal and feeds back to the display device 14. If the detection value is not within the qualified range, the execution unit sends an unqualified signal and feeds back to the display device 14. If it is qualified, it proves that the second roller unit 7 can be used normally. Otherwise, the rubber layer 8 needs to be replaced.

[0035] When the test is qualified, the controller 23 provides a signal to the electromagnetic chuck 24, so that the electromagnetic chuck 24 is powered off, and the iron sheet 25 sucks out the strong magnetic effect, no longer restricting the rotating rod 22, and under the action of the tension spring 26, the rotating rod 22 rotates outward with the tactile sensor 11, and the tactile sensor 11 is away from the rubber layer 8, and there is no need to test the rubber layer 8, and the tactile sensor 11 is automatically powered off. When testing again, the controller 23 provides a signal to the electromagnetic chuck 24, and the electromagnetic chuck 24 is powered on to attract the iron sheet 25, and the iron sheet 25 brings the rotating rod 22 into the rotating groove 21 again, and the rotating rod 22 brings the tactile sensor 11 into contact with the rubber layer 8 again, and regular testing is performed.

[0036] In summary, the present invention has an automatic detection function, and completes synchronous detection when the first roller unit 6 and the second roller unit 7 dehydrate the paper web. The detection function can also be controlled. When the detection is qualified, the detection function automatically cuts off the power to reduce losses. During the detection process, not only the first roller unit 6 and the second roller unit 7 normally convey and dehydrate the paper web, but also the power for realizing the detection function comes from the rotation of the first roller unit 6 and the second roller unit 7, which combines the normal work with the detection function and saves the power mechanism. In addition, the detection function is reciprocated left and right by the rotation drive of the reciprocating screw 9, and when the tactile sensor 11 reciprocates left and right for detection, the first roller unit 6 or the second roller unit 7 rotates relative to the linear motion of the tactile sensor 11, so that the detection track for the surface of the rubber layer 8 is spiral, thereby increasing the detection area and improving the detection quality. The first roller unit 6 and the second roller unit 7 are transferred to the left and right support plates 2 through the left and right assembly plates 5. After the defects of the rubber layer 8 on the first roller unit 6 are detected, the defects of the rubber layer 8 on the second roller unit 7 can be detected by rotating and transposing, thereby satisfying the double-roller dewatering paper roller.

[0037] The above orientation designations do not represent the specific orientations of the components in this implementation scheme. This implementation scheme is only for the convenience of describing the scheme, and the orientations are described relatively with reference to the figures. In essence, the specific orientations of the components are described according to their actual installation and actual use as well as the customary orientations of technicians in this field. This is hereby explained.

[0038] The specific implementation methods described above further describe the invention purpose, technical solutions, and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the protection scope of the present invention. It is particularly pointed out that for those skilled in the art, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A papermaking roller, characterized in that: The invention comprises a base (1), support plates (2) are fixed at the left and right ends of the base (1), a roller assembly (3) is installed between the two support plates (2), the roller assembly (3) comprises a swivel seat (4) connected to the two support plates (2), an assembly plate (5) fixed to the inner ends of the two swivel seats (4), and a first roller unit (6) and a second roller unit (7) connected between the two assembly plates (5), the first roller unit (6) being connected to one end of the two assembly plates (5) through a bearing, and the second roller unit (7) being connected to the inner ends of the two assembly plates (5) through a bearing. At the other end of the two assembly plates (5), the first roller unit (6) and the second roller unit (7) are symmetrically arranged on both sides of the axis of the rotating seat (4); a rubber layer (8) is arranged on the outside of the two roller units (6); the outer circumferential surfaces of the two rubber layers (8) are in rolling contact to form a clamping effect; a reciprocating screw (9) is installed on the base (1) through a bearing seat; the reciprocating screw (9) is parallel to the bottom of the two support plates (2); a reciprocating frame (10) is installed on the reciprocating screw (9); a detection mechanism is installed on the reciprocating frame (10); the detection mechanism The mechanism comprises a tactile sensor (11) arranged on the reciprocating frame (10), a limiting hole (12) is opened on the assembly plate (5), and a limiting bolt (13) is installed on the support plate (2). When the assembly plate (5) is rotated to overlap the limiting hole (12) with the inner end of the limiting bolt (13), the inner end of the limiting bolt (13) is inserted into the limiting hole (12), so that the assembly plate (5) is locked and the assembly plate (5) is vertical. The two support plates (2) can carry the first roller unit (6) and the first roller unit (6). The two roller units (7) rotate along with the rotating seat (4), so that the rubber layers (8) on the first roller unit (6) and the second roller unit (7) have the opportunity to contact the probe of the tactile sensor (11); when the reciprocating frame (9) carries the tactile sensor (11) to reciprocate in a straight line, the probe of the tactile sensor (11) forms a spiral detection track on the surface of the rubber layer (8); a display device (14) is installed on the base (1), and the tactile sensor (11) is electrically connected to the display device (14).

2. A papermaking roller according to claim 1, characterized in that: A guide rod (15) is installed on the base (1), one end of the reciprocating frame (9) is engaged with the reciprocating screw (9), and a guide hole is opened at the other end of the reciprocating frame (9), and the reciprocating frame (9) is slidably engaged with the guide rod (15) through the guide hole.

3. A papermaking roller according to claim 2, characterized in that: A driven gear (16) is installed at the end of the reciprocating screw (9), and a driving gear (17) is installed at the end of the first roller unit (6) and the second roller unit (7). When the assembly plate (5) is positioned at a vertical angle, one of the driving gears (17) is meshed with the driven gear (16), and the driven gear (16) is located on the rotation path of the two driving gears (17). The diameter of the driven gear (16) is larger than the diameter of the driving gear (17), and the diameters of the two driving gears (17) are consistent.

4. A papermaking roller according to claim 3, characterized in that: The two assembly plates (5) are each provided with two front and rear limiting holes (12), and the two support plates (2) are each provided with two front and rear limiting bolts (13).

5. A papermaking roller according to claim 4, characterized in that: The bottom surface of the base (1) is provided with a weight-reducing cavity (18), a reinforcing plate (19) is welded inside the weight-reducing cavity (18), and positioning holes (20) are provided at the four corners of the base (1).

6. A papermaking roller according to claim 5, characterized in that: The front of the reciprocating frame (10) is inclined downward, and a rotation groove (21) is provided on the front of the reciprocating frame (10) along the inclined angle. The detection mechanism also includes a rotating rod (22) connected to the rotating groove (21), and the tactile sensor (11) is installed on the rotating rod (22). When the rotating rod (22) rotates forward, it drives the tactile sensor (11) away from the first roller unit (6) or the second roller unit (7). When the rotating rod (22) rotates backward, it drives the tactile sensor (11) close to the first roller unit (6) or the second roller unit (7), and the probe contacts the outer circumferential surface of the rubber layer (8).

7. A papermaking roller according to claim 6, characterized in that: The detection mechanism also includes a controller (23) fixed on the base (1), an electromagnetic suction cup (24) fixed in the rotating groove (21), an iron sheet (25) fixed on the rotating rod (22) and facing the electromagnetic suction cup (24), and a tension spring (26) connected between the rotating rod (22) and the reciprocating frame (10), and the electromagnetic suction cup (24) is controlled by the controller (23).

8. A papermaking roller according to claim 7, characterized in that: A protective cover is installed on the base (1), and the detection mechanism and the reciprocating screw (9) are covered in the protective cover. The protective cover is arc-shaped, and the top surface and the front, rear, left and right surfaces of the base (1) are all provided with seepage holes (28).

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