A press roll for a paper machine

Abstract

This utility model relates to the field of press roll technology and discloses a press roll for a papermaking machine, including a base and a support frame. The top of the base is fixed to the bottom of the support frame. A connecting groove is provided on the inner side of the support frame. Adjustment components and protective components are provided inside and on the surface of the support frame. The protective components include a fixing block, which is used to stabilize its internal mechanism. When the press roll is adjusted to the correct position, pressing the sliding plate causes the locking block to disengage from a set of grooves in the concave hole. The handle drives the pull plate to rotate, and the ring rotates synchronously. Through the movable hole and the short rod, the clamping blocks move closer to each other. The rubber pad and the anti-slip groove on the surface of the rocker arm can clamp and limit the rocker arm, preventing accidental contact with the rocker arm from affecting the position of the press roll. At the same time, the locking block enters the groove at the other end of the concave hole, which limits the locking block, sliding plate, and pull plate, preventing accidental contact with the pull plate and affecting the stability of the clamping blocks.

Description

Technical Field

[0001] This utility model relates to the field of press roll technology, specifically a press roll for a papermaking machine. Background Technology

[0002] The paper industry plays a very important role in the national economy. With the rapid development of various sectors of my country's national economy and the continuous improvement of people's cultural life, the uses of paper are becoming more and more extensive, and the demand for paper is increasing. Consequently, the requirements for the quantity and quality of paper are also becoming higher and higher. Vacuum press rolls are commonly used components on paper machines. The main function of the press section of the paper machine is to dewater and solidify the paper sheet, while improving the paper sheet properties and increasing the wet paper strength to improve the drying capacity of the drying section.

[0003] According to a paper machine press roll disclosed in the above application (announcement number: CN222513074U), the distance between the press rolls is adjusted by a hand crank and a handwheel to facilitate the pressing and dewatering of the paper. The hand crank and handwheel are completely exposed to the external environment and lack limiting or protective structures. In actual production, the adjusting parts are prone to accidental displacement due to accidental touch by personnel or collision with equipment, which affects the stability of the press roll distance and may even cause uneven paper pressing and reduced dewatering effect. Utility Model Content

[0004] The purpose of this invention is to provide a press roll for a papermaking machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a press roll for a papermaking machine, comprising a base and a support frame, wherein the top of the base is fixed to the bottom of the support frame, a connecting groove is provided on the inner side of the support frame, and an adjustment component and a protective component are provided inside and on the surface of the support frame;

[0006] The protective components include:

[0007] The fixing block is used to stabilize its internal mechanism;

[0008] The circular ring is used to synchronously drive the short rod and the clamping block to move radially.

[0009] Limiting components prevent accidental activation that could affect stability.

[0010] Preferably, the fixing block is fixed to the outer surface of the support frame, and the fixing block has a cavity inside. A ring is rotatably connected to the inner wall of the cavity. A movable hole is opened on the surface of the ring. A short rod is abutted against the inner wall of the movable hole. A clamping block is fixed to the end of the short rod away from the movable hole. The clamping block is slidably connected to the inner wall of the cavity away from the ring. An annular hole is opened on the outer surface of the fixing block. A pull plate is fixed to the outer surface of the ring. The end of the pull plate away from the ring passes through the annular hole. A through hole is opened on the inner side of the fixing block. When the pull plate rotates, it can synchronously drive the ring to rotate. The inner wall of the movable hole abuts against the surface of the short rod. The short rod and the clamping block move closer to each other, clamping and limiting the rocker arm.

[0011] Preferably, the limiting component includes a concave hole, which is formed on the outer surface of the fixing block and communicates with the annular hole. A sliding rod is fixed to the top of the pull plate, and a sliding plate is slidably connected to the top of the sliding rod. A spring is fixed to the bottom of the sliding plate, and the bottom of the spring is fixed to the top of the pull plate. A handle is fixed to the top of the sliding rod, and a locking block is fixed to the outer surface of the sliding plate. Pressing the sliding plate causes the locking block to disengage from the groove at one end of the concave hole, thus driving the pull plate to move normally. Releasing the sliding plate causes the spring to drive the sliding plate and locking block to reset, allowing the locking block to enter the groove at the other end of the concave hole, thereby limiting the sliding plate and the pull plate.

[0012] Preferably, the adjusting assembly includes a long rod fixed to the inner wall of the connecting groove. A screw is rotatably connected to the inner wall of the connecting groove away from the long rod. Both the long rod and the screw pass through a movable plate, which is slidably connected to the long rod and threadedly connected to the screw. A fixed seat is fixed between the movable plates, and a press roller is rotatably connected to the inner side of the fixed seat. A bevel gear one is rotatably connected to the bottom of the inner wall of the connecting groove, and the screw passes through and is fixedly connected to the bevel gear one. A bevel gear two is rotatably connected to the inner wall of the connecting groove, meshing with the bevel gear one. A rocker arm is rotatably connected to the outer surface of the support frame, and the output shaft of the rocker arm passes through the support frame and is fixed to the outer surface of the bevel gear two. Rotating the rocker arm causes the bevel gear two to rotate, which in turn causes the movable plates to move closer or further apart, and thus the press rollers to move closer or further apart, thus pressing and dewatering the paper. This also allows for easy adjustment of the spacing to accommodate different types of paper.

[0013] Preferably, a rubber pad is fixed on the side of the clamping block near the center of the fixed block, and the movable hole is set in an arc shape. The rubber pad facilitates the increase of friction. When the movable hole rotates with the ring, it can drive the short rod and the clamping block to move radially in sync.

[0014] Preferably, the outer surface of the rocker arm is provided with anti-slip grooves, which, together with the rubber pad, prevent the rocker arm from being restricted in place.

[0015] Preferably, the screw is configured with two opposite threads, and the fixed seat is provided in two sets. The outer surface of the lower fixed seat is provided with a leakage hole. When the screw rotates, it can drive the movable plates to move closer or further apart, and the leakage hole facilitates the leakage of squeezed water.

[0016] Compared with the prior art, this utility model provides a press roll for a papermaking machine, which has the following beneficial effects:

[0017] 1. The press roll used in this papermaking machine, through the set protective components, when the press roll is adjusted to the correct position, press the slide plate to make the locking block disengage from a set of grooves in the concave hole. The handle drives the pull plate to rotate, and the ring rotates synchronously. Through the movable hole and short rod, the clamping blocks are brought closer to each other. The rubber pad and the anti-slip groove on the surface of the rocker arm can clamp and limit the rocker arm, preventing accidental contact with the rocker arm from affecting the position of the press roll. At the same time, the locking block enters the groove at the other end of the concave hole, which can limit the locking block, slide plate and pull plate, preventing accidental contact with the pull plate and affecting the stability of the clamping blocks.

[0018] 2. The press rollers used in this papermaking machine, through the set adjustment components, rotate the rocker arm, and the bevel gear two drives the bevel gear one and the screw to rotate, which can drive the movable plates to move closer or further apart, and thus drive the press rollers to move closer or further apart, which is convenient for pressing and dewatering different types of paper. Attached Figure Description

[0019] Figure 1 This is a front view structural diagram of the present invention;

[0020] Figure 2 This is a partial front view structural diagram of the present utility model;

[0021] Figure 3 This is a front view structural diagram of some of the adjustment components and protective components of this utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of some of the adjustment and protection components of this utility model in the event of an explosion.

[0023] Figure 5 This is a side view of some of the protective components of this utility model;

[0024] Figure 6 This is a bottom view of some of the protective components of this utility model.

[0025] In the diagram: 1. Base; 2. Support frame; 3. Connecting groove; 4. Adjustment component; 40. Long rod; 41. Screw; 42. Movable plate; 43. Fixed seat; 44. Press roller; 45. Bevel gear one; 46. Bevel gear two; 47. Rocker arm; 5. Protective component; 50. Fixed block; 51. Cavity; 52. Ring; 53. Movable hole; 54. Short rod; 55. Clamping block; 56. Annular hole; 57. Pull plate; 59. Through hole; 58. Limiting component; 580. Concave hole; 581. Slide rod; 582. Slide plate; 583. Spring; 584. Locking block; 585. Handle. Detailed Implementation

[0026] like Figures 1-6 As shown, this utility model provides a technical solution: a press roller for a papermaking machine, including a base 1 and a support frame 2. The top of the base 1 is fixed to the bottom of the support frame 2. A connecting groove 3 is provided on the inner side of the support frame 2. An adjustment component 4 and a protective component 5 are provided inside and on the surface of the support frame 2. The protective component 5 includes: a fixing block 50, a cavity 51, a ring 52, a movable hole 53, a short rod 54, a clamping block 55, an annular hole 56, a pull plate 57, a through hole 59, a limiting component 58, a concave hole 580, a sliding rod 581, a sliding plate 582, a spring 583, a locking block 584, and a handle 585.

[0027] The fixing block 50 is fixed to the outer surface of the support frame 2. A cavity 51 is formed inside the fixing block 50. A ring 52 is rotatably connected to the inner wall of the cavity 51. A movable hole 53 is formed on the surface of the ring 52. A short rod 54 abuts against the inner wall of the movable hole 53. A clamping block 55 is fixed to the end of the short rod 54 away from the movable hole 53. The clamping block 55 is slidably connected to the inner wall of the cavity 51 on the side away from the ring 52. An annular hole 56 is formed on the outer surface of the fixing block 50. A pull plate 57 is fixed to the outer surface of the ring 52. The end of the pull plate 57 away from the ring 52 passes through the annular hole 56. A through hole 59 is formed on the inner side of the fixing block 50. The limiting member 58 includes a concave hole 580, which is formed on the outer surface of the fixing block 50 and communicates with the annular hole 56. A sliding rod 581 is fixed to the top of the pull plate 57, and the top of the sliding rod 581 passes through and is slidably connected. There is a slide plate 582, and a spring 583 is fixed to the bottom of the slide plate 582. The bottom of the spring 583 is fixed to the top of the pull plate 57. A handle 585 is fixed to the top of the slide rod 581. A locking block 584 is fixed to the outer surface of the slide plate 582. A rubber pad is fixed to the side of the clamping block 55 near the center of the fixed block 50. The movable hole 53 is set to be arc-shaped. The handle 585 drives the pull plate 57 to rotate, and the ring 52 rotates synchronously. The inner wall of the movable hole 53 abuts against the surface of the short rod 54. The short rod 54 and the clamping block 55 are close to each other. The rubber pad and the anti-slip groove on the surface of the rocker arm 47 can clamp and limit the rocker arm 47 to prevent accidental contact with the rocker arm 47 from affecting the position of the press roller 44. At the same time, the locking block 584 enters the groove at the other end of the concave hole 580 to limit the locking block 584, the slide plate 582, and the pull plate 57 to prevent accidental contact with the pull plate 57 from affecting the stability of the clamping block 55.

[0028] The adjusting assembly 4 includes a long rod 40, which is fixed to the inner wall of the connecting groove 3. A screw 41 is rotatably connected to the inner wall of a set of connecting grooves 3 away from the long rod 40. Both the long rod 40 and the screw 41 pass through a movable plate 42, which is slidably connected to the long rod 40 and threadedly connected to the screw 41. A fixed seat 43 is fixed between the movable plates 42, and a press roller 44 is rotatably connected to the inner side of the fixed seat 43. A bevel gear 45 is rotatably connected to the bottom of the inner wall of the connecting groove 3, and the screw 41 passes through the bevel gear 45 and is fixedly connected to the bevel gear 45. A second bevel gear 46 is rotatably connected to the inner wall of the connecting groove 3, and the second bevel gear 46 is connected to the first bevel gear 45. 5. Engagement: A rocker arm 47 is rotatably connected to the outer surface of the support frame 2. The output shaft of the rocker arm 47 passes through the support frame 2 and is fixed to the outer surface of the second bevel gear 46. The outer surface of the rocker arm 47 is provided with anti-slip grooves. The screw 41 is configured with two opposite threads. Two sets of fixed seats 43 are provided. The outer surface of the lower fixed seat 43 is provided with a perforation hole. When the rocker arm 47 is rotated, the second bevel gear 46 drives the first bevel gear 45 and the screw 41 to rotate, which can drive the movable plate 42 to move closer to each other. The movement of the fixed seat 43 is stabilized by the long rod 40, which can drive the press rollers 44 to move closer to each other to press and dehydrate the paper.

[0029] When paper dewatering is required, the paper is placed between the press rollers 44. Rotating the rocker arm 47 causes the second bevel gear 46 to drive the first bevel gear 45 and the screw 41 to rotate, which in turn moves the movable plates 42 closer together. The movement of the fixed base 43, stabilized by the long rod 40, further moves the press rollers 44 closer together, pressing and dewatering the paper. Once the position is adjusted, pressing down the sliding plate 582 simultaneously disengages the locking block 584 from one end of the concave hole 580. At the same time, the spring 583 is compressed, and the operator can rotate the pull plate 57 clockwise via the handle 585. The ring 52 rotates synchronously, and the movable hole 53... When the wall abuts against the surface of the short rod 54, the short rod 54 and the clamping block 55 will move closer to each other. The anti-slip groove on the surface of the rocker arm 47 through the rubber pad can limit the rocker arm 47. At this time, when the position of the locking block 584 is parallel to the groove at the other end of the concave hole 580, the slide plate 582 is released, the spring 583 is released, and the slide plate 582 is reset. At the same time, the locking block 584 enters the groove at the other end of the concave hole 580, which can limit the locking block 584, the slide plate 582, and the pull plate 57, preventing accidental contact with the pull plate 57 and affecting the stability of the clamping block 55. At the same time, the rocker arm 47 is limited and stable, preventing accidental contact with the rocker arm 47 from affecting the position of the press roller 44.

[0030] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A press roll for a papermaking machine, comprising a base (1) and a support frame (2), characterized in that: The top of the base (1) is fixed to the bottom of the support frame (2). The support frame (2) has a connecting groove (3) on its inner side. The support frame (2) has an adjustment component (4) and a protective component (5) inside and on its surface. The protective component (5) includes: Fixing block (50), fixing block (50) is used to stabilize its internal mechanism; The circular ring (52) is used to synchronously drive the short rod (54) and the clamp (55) to move radially. Limiting element (58) is used to prevent accidental contact from affecting stability.

2. A press roll for a papermaking machine according to claim 1, characterized in that: The fixing block (50) is fixed to the outer surface of the support frame (2). The fixing block (50) has a cavity (51) inside. The inner wall of the cavity (51) is rotatably connected to a ring (52). The surface of the ring (52) has a movable hole (53). The inner wall of the movable hole (53) abuts against a short rod (54). The end of the short rod (54) away from the movable hole (53) is fixed with a clamping block (55). The clamping block (55) is slidably connected to the inner wall of the cavity (51) away from the ring (52). The outer surface of the fixing block (50) has an annular hole (56). The outer surface of the ring (52) is fixed with a pull plate (57). The end of the pull plate (57) away from the ring (52) passes through the annular hole (56). The inner side of the fixing block (50) has a through hole (59).

3. A press roll for a papermaking machine according to claim 2, characterized in that: The limiting member (58) includes a concave hole (580), which is opened on the outer surface of the fixing block (50). The concave hole (580) communicates with the annular hole (56). A slide rod (581) is fixed to the top of the pull plate (57). A slide plate (582) is slidably connected to the top of the slide rod (581). A spring (583) is fixed to the bottom of the slide plate (582). The bottom of the spring (583) is fixed to the top of the pull plate (57). A handle (585) is fixed to the top of the slide rod (581). A locking block (584) is fixed to the outer surface of the slide plate (582).

4. A press roll for a papermaking machine according to claim 1, characterized in that: The adjusting assembly (4) includes a long rod (40) fixed to the inner wall of the connecting groove (3). A screw (41) is rotatably connected to a set of the inner walls of the connecting groove (3) away from the long rod (40). Both the long rod (40) and the screw (41) pass through a movable plate (42). The movable plate (42) is slidably connected to the long rod (40) and threadedly connected to the screw (41). A fixed seat (43) is fixed between the movable plates (42). A press roller is rotatably connected to the inner side of the fixed seat (43). (44) A bevel gear one (45) is rotatably connected to the bottom of the inner wall of the connecting groove (3). The screw (41) passes through the bevel gear one (45) and is fixedly connected to the bevel gear one (45). A bevel gear two (46) is rotatably connected to the inner wall of the connecting groove (3). The bevel gear two (46) meshes with the bevel gear one (45). A rocker arm (47) is rotatably connected to the outer surface of the support frame (2). The output shaft of the rocker arm (47) passes through the support frame (2) and is fixed to the outer surface of the bevel gear two (46).

5. A press roll for a papermaking machine according to claim 2, characterized in that: A rubber pad is fixed to the side of the clamping block (55) near the center of the fixed block (50), and the movable hole (53) is set in an arc shape.

6. A press roll for a papermaking machine according to claim 4, characterized in that: The outer surface of the rocker arm (47) is provided with anti-slip grooves.

7. A press roll for a papermaking machine according to claim 4, characterized in that: The screw (41) is configured with two opposite threads, and the fixing seat (43) is provided in two sets. The outer surface of the fixing seat (43) located below is provided with a hole.

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