Alkali-mechanical pulp grinding machine

Abstract

The utility model discloses an chemi-mechanical pulp grinding machine which comprises a bottom frame, a grinding mechanism is arranged on the bottom frame, the grinding mechanism comprises a support, a supporting frame, a mounting plate, a rotating rod, a grinding roller and a transmission mechanism, the support is installed on the bottom frame, the supporting frame is arranged on one side of the support, the mounting plate is arranged at one end of the supporting frame, and the rotating rod is arranged at the other end of the supporting frame. The two sets of rotating rods are arranged on the supporting frame, the grinding rollers are installed at the bottom ends of the two sets of rotating rods, the transmission mechanism is arranged on the supporting frame, the rotating mechanism is arranged on the bottom frame, the rotating mechanism comprises a workbench, a rotating disc, a grinding barrel, a transmission column, a speed reducer and a second motor, the workbench is installed on the bottom frame, and the rotating disc is installed on the rotating disc. The rotating disc is rotationally installed on the workbench, and the grinding barrel is arranged on the top face of the rotating disc, so that the technical problems that in the background technology, the grinding effect is poor, operation is inconvenient, efficiency is low in a discharging mode, and pollution is likely to be caused are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of chemical pulp, more particularly, it relates to a chemical pulp refiner. BACKGROUND

[0002] In the production process of chemical pulp, grinding is a key link, and the traditional grinding equipment often has problems such as poor grinding effect and inconvenient operation. In order to improve the grinding efficiency and effect, a grinding mechanism capable of providing stable grinding pressure and speed is needed.

[0003] Secondly, the collection and discharge of pulp are important links, and the traditional collection and discharge method often has problems such as low efficiency and easy pollution. In order to improve the collection and discharge efficiency of pulp, a device capable of effectively collecting and discharging pulp is needed.

[0004] And in the grinding process, the speed and pressure of the grinding roller need to be adjusted according to the properties of the material, and the traditional adjustment method often has problems such as inconvenient operation and low precision. In order to improve the convenience and precision of adjustment, a device capable of conveniently adjusting the speed and pressure of the grinding roller is needed. SUMMARY

[0005] (I) Technical problems solved

[0006] In view of the problems existing in the prior art, the utility model provides a chemical pulp refiner to solve the technical problems of poor grinding effect, inconvenient operation, low efficiency and easy pollution in the background art.

[0007] (II) Technical scheme

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a chemical pulp refiner, comprising a chassis, a grinding mechanism is arranged on the chassis, the grinding mechanism comprises a support, a support frame, a mounting plate, a rotating rod, a grinding roller and a transmission mechanism, the support is installed on the chassis, the support frame is arranged on one side of the support, the mounting plate is arranged at one end of the support frame, the rotating rod is arranged in two groups on the support frame, the grinding roller is installed at the bottom end of the two groups of rotating rods, the transmission mechanism is arranged on the support frame, a rotating mechanism is arranged on the chassis, the rotating mechanism comprises a workbench, a turntable, a grinding barrel, a transmission column, a speed reducer and a second motor, the workbench is installed on the chassis, the turntable is rotatably installed on the workbench, the grinding barrel is arranged on the top surface of the turntable, the transmission column is installed on the chassis and connected with the turntable, the speed reducer is installed on the chassis and the output end is connected with the bottom end of the transmission column, and the second motor is installed on the input end of the speed reducer.

[0009] The utility model further sets up, transmission mechanism includes first motor, driving wheel, driven wheel and transmission belt, first motor installs on mounting panel, driving wheel installs in first motor output end, driven wheel rotation is installed on support frame and is connected with two groups driving shaft top, transmission belt is provided with two groups respectively connecting driving wheel and two groups driven wheel, and the connection of driving wheel and driven wheel is realized through transmission belt, and this kind of flexible connection reduces the vibration and noise in transmission process, and the setting of transmission belt simplifies transmission structure, and reduces maintenance cost.

[0010] The utility model further sets up, support frame is equipped with hydraulic cylinder, hydraulic cylinder installs on support frame and is fixedly connected with support frame in output end, and the use of hydraulic cylinder makes the movement of support frame more stable and reliable, can accurately adjust the position of support frame through the telescopic control of hydraulic cylinder, and adapts to different work requirements.

[0011] The utility model further sets up, support frame is equipped with slide rail, the slide rail is provided with two groups and installs on support frame, support frame is equipped with sliding block, the sliding block is provided with two groups and installs on support frame one side and is connected with two groups slide rail sliding, and the movement range and direction of support frame can be accurately controlled through the layout of slide rail and sliding block, and this design is convenient for support frame to work at different positions, and improves the adaptability of device.

[0012] The utility model further sets up, the grinding bucket and the turntable all are equipped with slurry discharge groove, and the design of slurry discharge groove makes slurry flow out from the grinding area smoothly, and improves the collection efficiency of slurry.

[0013] The utility model further sets up, the turntable bottom surface is equipped with the collecting box, the collecting box bottom surface is equipped with the discharge pipe, and the cooperation of collecting box and discharge pipe improves the automation degree and efficiency of whole grinding process.

[0014] The utility model further sets up, support frame bottom surface is equipped with support cylinder, support cylinder is provided with two groups and is arranged at two groups driving shaft outer wall respectively, is convenient for supporting two groups driving shaft, makes two groups driving shaft rotation process more stable.

[0015] The utility model further sets up, support frame is equipped with adjusting mechanism, adjusting mechanism includes adjusting groove, tight belt wheel, screw rod and nut, adjusting groove is provided with two groups and is distributed on support frame, tight belt wheel is provided with two groups and is arranged at two groups transmission belt inboard respectively, screw rod installs at two groups tight belt wheel bottom surface and is slidably installed in two groups adjusting groove, nut is screw -threaded and is installed at two groups screw rod bottom -end.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the chemical pulp grinder has the following beneficial effects:

[0018] 1. The grinding mechanism has the beneficial effects that the grinding roller is driven to rotate through the transmission mechanism, the material enters between the grinding rollers, is crushed into pulp by the extrusion and shearing action of the grinding rollers, and the rotating speed and pressure of the grinding rollers can be adjusted according to the properties of the material to obtain the required grinding effect, so that the grinding efficiency is improved, and the stability of the grinding effect is enhanced.

[0019] 2. The rotating mechanism has the beneficial effects that the second motor is started to drive the speed reducer to work, the output end of the speed reducer is connected with the transmission column, the transmission column drives the rotating disc to rotate, the grinding barrel is fixed on the rotating disc, and the material in the grinding barrel is uniformly dispersed and turned over along with the rotation of the rotating disc, so that the grinding of the material by the grinding roller is facilitated, the grinding efficiency is improved, and the uniformity of the grinding effect is enhanced.

[0020] 3. The adjusting mechanism has the beneficial effects that the operator can adjust the position of the tight belt wheel through the adjusting screw rod and the nut, so that the tensioning degree of the transmission belt is changed, the rotating speed and pressure of the grinding roller are controlled by adjusting the tensioning degree of the transmission belt to meet different grinding requirements, the convenience of adjustment is improved, and the accuracy of adjustment is enhanced.

[0021] 4. The pulp discharge groove and the collection box have the beneficial effects that the pulp discharge groove formed in the grinding barrel and the rotating disc is used for collecting the ground pulp, the ground pulp flows along the pulp discharge groove and finally enters the collection box, the collection efficiency of the pulp is improved, and the possibility of pollution is reduced, the collection box is installed on the bottom surface of the rotating disc and is used for collecting the pulp flowing out of the pulp discharge groove, the bottom surface of the collection box is provided with a discharge pipe used for discharging the collected pulp, the discharge efficiency of the pulp is improved, and the subsequent processing work is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the chemical pulp grinder in the utility model;

[0023] Figure 2 It is a structure schematic view of the grinding mechanism in the utility model;

[0024] Figure 3 It is a structure schematic view of the transmission mechanism in the utility model;

[0025] Figure 4 It is a structure schematic view of the rotating mechanism in the utility model;

[0026] Figure 5 It is a structure schematic view of the pulp discharge groove in the utility model.

[0027] In the figure: 1, the chassis; 2, support; 3, support frame; 4, mounting plate; 5, rotating rod; 6, grinding roller; 7, workbench; 8, turntable; 9, grinding barrel; 10, transmission column; 11, speed reducer; 12, second motor; 13, first motor; 14, driving wheel; 15, driven wheel; 16, transmission belt; 17, hydraulic cylinder; 18, slide rail; 19, sliding block; 20, slurry discharge groove; 21, collection box; 22, discharge pipe; 23, support cylinder; 24, adjusting groove; 25, belt tightener; 26, screw; 27, nut. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0030] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0031] Please refer to Figures 1-5 A chemi-mechanical pulp grinding machine, comprising a chassis 1, the chassis 1 is provided with a grinding mechanism, the grinding mechanism comprises a support 2, a support frame 3, a mounting plate 4, a rotating rod 5, a grinding roller 6 and a transmission mechanism, the support 2 is installed on the chassis 1, the support frame 3 is arranged on one side of the support 2, the mounting plate 4 is arranged at one end of the support frame 3, the rotating rod 5 is provided with two groups arranged on the support frame 3, the grinding roller 6 is installed at the bottom end of the two groups of rotating rods 5, the transmission mechanism is arranged on the support frame 3, the chassis 1 is provided with a rotating mechanism, the rotating mechanism comprises a workbench 7, a turntable 8, a grinding barrel 9, a transmission column 10, a speed reducer 11 and a second motor 12, the workbench 7 is installed on the chassis 1, the turntable 8 is rotatably installed on the workbench 7, the grinding barrel 9 is arranged on the top surface of the turntable 8, the transmission column 10 is installed on the chassis 1 and connected with the turntable 8, the speed reducer is installed on the chassis 1 and the output end is connected with the bottom end of the transmission column 10, and the second motor 12 is installed on the input end of the speed reducer 11.

[0032] The transmission mechanism comprises a first motor 13, a driving wheel 14, a driven wheel 15 and a transmission belt 16. The first motor 13 is installed on the mounting plate 4, the driving wheel 14 is installed on the output end of the first motor 13, the driven wheel 15 is rotatably installed on the support frame 3 and connected to the top ends of the two groups of rotating rods 5, and the transmission belt 16 is provided with two groups of transmission belts respectively connecting the driving wheel 14 and the two groups of driven wheels 15. After the first motor 13 is started, the driving wheel 14 is driven to rotate through the output end. The transmission belt 16 transmits the rotating power of the driving wheel 14 to the driven wheel 15, and the driven wheel 15 is connected to the top end of the rotating rod 5, thereby driving the rotating rod 5 to rotate.

[0033] The support frame 3 is provided with a hydraulic cylinder 17, which is installed on the support frame 2 and fixedly connected to the support frame 3 at the output end. The hydraulic cylinder 17 is powered by a hydraulic system, so that the support frame 3 can move up and down.

[0034] The support frame 2 is provided with a slide rail 18, which is provided with two groups of slide rails installed on the support frame 2. The support frame 3 is provided with a sliding block 19, which is provided with two groups of sliding blocks installed on one side of the support frame 3 and slidably connected to the two groups of slide rails 18. Through the design of the slide rail 18 and the sliding block 19, the support frame 3 can move in a specific direction on the support frame 2.

[0035] The grinding barrel 9 and the turntable 8 are both provided with a slurry discharge groove 20. The slurry discharge groove 20 is designed to collect slurry generated during grinding. The position and shape of the slurry discharge groove 20 can be adjusted according to actual needs to optimize the flow path of the slurry.

[0036] The bottom surface of the turntable 8 is provided with a collection box 21, and the bottom surface of the collection box 21 is provided with a discharge pipe 22. The design of the collection box 21 enables the slurry to be collected after grinding, which is convenient for subsequent processing. The discharge pipe 22 is provided to facilitate the discharge of the collected slurry, avoiding the accumulation of slurry.

[0037] The bottom surface of the support frame 3 is provided with a support cylinder 23, which is provided with two groups of support cylinders respectively arranged on the outer walls of the two groups of rotating rods 5. The two groups of support cylinders 23 respectively support the two groups of rotating rods 5.

[0038] In this embodiment, the raw material is first slowly injected into the grinding barrel 9. Simultaneously, the transmission and rotation mechanisms are activated. The first motor 13 drives the drive wheel 14 to rotate. The drive wheel 14 drives two sets of transmission belts 16, which in turn drive two sets of driven wheels 15 to rotate. This causes the two sets of rotating rods 5 to rotate along the support cylinder 23, thus driving the two sets of grinding rollers 6 to rotate simultaneously. The second motor 12 starts, driving the reducer 11 to work. The output end of the reducer 11 is connected to the transmission column 10. The transmission column 10 drives the turntable 8 to rotate. The grinding barrel 9 is fixed on the turntable 8. As the turntable 8 rotates, the material inside the grinding barrel 9 is evenly dispersed and agitated, which is beneficial to the grinding rollers 6. For grinding materials, the grinding roller 6 is driven to rotate by the transmission mechanism. The material enters between the grinding rollers 6 and is crushed into slurry by the squeezing and shearing action of the grinding rollers 6. The rotation speed and pressure of the grinding roller 6 can be adjusted according to the properties of the material to obtain the desired grinding effect. The discharge trough 20 opened on the grinding barrel 9 and the turntable 8 is used to collect the ground slurry. The ground slurry flows along the discharge trough 20 and finally enters the collection box 21. The discharge pipe 22 is connected to the external conveying pipe, and the slurry is discharged through the discharge pipe 22. The support frame 3 is operated by the hydraulic cylinder 17 to slide along the slide rail 18, which can adjust the distance between the bottom surface of the grinding roller 6 and the grinding barrel 9.

[0039] Please see Figure 3 As one embodiment of the adjustment mechanism: the support frame 3 is provided with an adjustment mechanism, which includes an adjustment groove 24, a tension pulley 25, a screw 26 and a nut 27. The adjustment groove 24 is provided in two sets distributed on the support frame 3. The tension pulley 25 is provided in two sets respectively located inside the two sets of transmission belts 16. The screw 26 is installed on the bottom surface of the two sets of tension pulleys 25 and is slidably installed in the two sets of adjustment grooves 24. The nut 27 is threadedly installed on the bottom end of the two sets of screws 26.

[0040] More specifically, the operator can adjust the position of the tensioning pulley 25 by adjusting the screw 26 and nut 27, thereby changing the tension of the transmission belt 16. By adjusting the tension of the transmission belt 16, the operator can control the rotation speed and pressure of the grinding roller 6 to meet different grinding needs.

[0041] In summary, when the whole device is in use or operation: firstly, the raw materials are slowly injected into the grinding barrel 9, and the transmission mechanism and the rotating mechanism are started, the first motor 13 drives the driving wheel 14 to rotate, the driving wheel 14 drives the two groups of transmission belts 16 to rotate, thereby driving the two groups of rotating rods 5 to rotate along the supporting cylinder 23, that is, the two groups of grinding rollers 6 are driven to rotate simultaneously, the second motor 12 is started to drive the speed reducer 11 to work, the output end of the speed reducer 11 is connected with the transmission column 10, the transmission column 10 drives the rotating disc 8 to rotate, the grinding barrel 9 is fixed on the rotating disc 8, and the materials in the grinding barrel 9 are evenly dispersed and turned over along with the rotation of the rotating disc 8, which is beneficial to the grinding of the materials by the grinding rollers 6, the grinding rollers 6 are driven to rotate through the transmission mechanism, the materials enter between the grinding rollers 6 and are crushed into pulp under the extrusion and shearing action of the grinding rollers 6, the rotating speed and the pressure of the grinding rollers 6 can be adjusted according to the properties of the materials to obtain the required grinding effect, the grinding barrel 9 and the rotating disc 8 are provided with the pulp discharge grooves 20 for collecting the ground pulp, the ground pulp flows along the pulp discharge grooves 20 and finally enters the collecting box 21, the discharge pipe 22 is connected with the external conveying pipe, the pulp is discharged through the discharge pipe 22, and the supporting frame 3 can be controlled to slide along the slide rail 18 through the hydraulic cylinder 17, so that the distance between the bottom surface of the grinding roller 6 and the grinding barrel 9 can be adjusted.

[0042] The operator can adjust the position of the tight belt wheel 25 by adjusting the screw rod 26 and the nut 27, so as to change the tensioning degree of the transmission belt 16, and the rotating speed and the pressure of the grinding roller 6 can be controlled by adjusting the tensioning degree of the transmission belt 16 to meet different grinding requirements.

[0043] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection modes, which will not be described one by one, and the welding is preferred for the fixed connection mentioned above, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A chemimechanical pulp refiner, comprising a base frame (1), characterized in that: A grinding mechanism is provided on the base frame (1). The grinding mechanism includes a bracket (2), a support frame (3), a mounting plate (4), rotating rods (5), grinding rollers (6), and a transmission mechanism. The bracket (2) is mounted on the base frame (1), the support frame (3) is located on one side of the bracket (2), the mounting plate (4) is located at one end of the support frame (3), two sets of rotating rods (5) are provided on the support frame (3), the grinding rollers (6) are mounted on the bottom ends of the two sets of rotating rods (5), the transmission mechanism is located on the support frame (3), and a rotating mechanism is provided on the base frame (1). The rotating mechanism includes a worktable (7), a turntable (8), a grinding barrel (9), a transmission column (10), a reducer (11), and a second motor (12). The worktable (7) is mounted on a base frame (1). The turntable (8) is rotatably mounted on the worktable (7). The grinding barrel (9) is located on the top surface of the turntable (8). The transmission column (10) is mounted on the base frame (1) and connected to the turntable (8). The reducer (11) is mounted on the base frame (1) and its output end is connected to the bottom end of the transmission column (10). The second motor (12) is mounted on the input end of the reducer (11).

2. The chemimechanical pulp refiner according to claim 1, characterized in that: The transmission mechanism includes a first motor (13), a driving wheel (14), a driven wheel (15), and a transmission belt (16). The first motor (13) is mounted on the mounting plate (4). The driving wheel (14) is mounted on the output end of the first motor (13). The driven wheel (15) is rotatably mounted on the support frame (3) and connected to the top of the two sets of rotating rods (5). The transmission belt (16) is provided with two sets that respectively connect the driving wheel (14) and the two sets of driven wheels (15).

3. A chemimechanical pulp refiner according to claim 2, characterized in that: The bracket (2) is equipped with a hydraulic cylinder (17), which is mounted on the bracket (2) and its output end is fixedly connected to the support frame (3).

4. A chemimechanical pulp refiner according to claim 3, characterized in that: The bracket (2) is provided with slide rails (18), and two sets of slide rails (18) are provided on the bracket (2). The support frame (3) is provided with sliders (19), and two sets of sliders (19) are provided on one side of the support frame (3) and are slidably connected to the two sets of slide rails (18).

5. A chemimechanical pulp refiner according to claim 1, characterized in that: Both the grinding barrel (9) and the turntable (8) are provided with slurry discharge troughs (20).

6. A chemimechanical pulp refiner according to claim 5, characterized in that: A collection box (21) is installed on the bottom surface of the turntable (8), and a discharge pipe (22) is installed on the bottom surface of the collection box (21).

7. A chemimechanical pulp refiner according to claim 4, characterized in that: The bottom surface of the support frame (3) is provided with a support cylinder (23), and the support cylinder (23) is provided with two sets respectively set on the outer wall of the two sets of rotating rods (5).

8. A chemimechanical pulp refiner according to claim 7, characterized in that: An adjustment mechanism is provided on the support frame (3). The adjustment mechanism includes an adjustment groove (24), a belt pulley (25), a screw (26), and a nut (27). Two sets of adjustment grooves (24) are provided on the support frame (3). Two sets of belt pulleys (25) are provided and are respectively provided inside the two sets of transmission belts (16). The screw (26) is installed on the bottom surface of the two sets of belt pulleys (25) and is slidably installed in the two sets of adjustment grooves (24). The nut (27) is threadedly installed on the bottom end of the two sets of screws (26).

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