CN216585902U

CN216585902U - Pulp disc mill device

Info

Publication number: CN216585902U
Application number: CN202122632698.7U
Authority: CN
Inventors: 李文俊
Original assignee: Changqing Lee and Man Paper Manufacturing Co Ltd
Current assignee: Changqing Lee and Man Paper Manufacturing Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-24
Anticipated expiration: 2031-10-29

Abstract

The utility model belongs to the technical field of papermaking equipment, and particularly discloses a pulp disc mill device which comprises a shell, a first mill disc and a second mill disc, wherein a mill core is fixed in the shell, the first mill disc is arranged on one side of the mill core, the second mill disc is arranged on the other side of the mill core, and a driving mechanism for driving the first mill disc and the second mill disc to rotate is arranged outside the shell; a pulp inlet pipe is arranged on one side of the shell, which is positioned on the first grinding disc, and a pulp outlet pipe is arranged on one side of the shell, which is positioned on the second grinding disc; the grinding core is provided with a first chassis corresponding to the first grinding disc and a second chassis corresponding to the second grinding disc in a sliding mode, and the shell is provided with a sliding mechanism for controlling the first chassis and the second chassis to slide. Compared with the prior art, the device can adjust the disc mill gap of paper pulp, so that the beating degree can be controlled.

Description

Pulp disc mill device

Technical Field

The utility model belongs to the technical field of papermaking equipment, and particularly discloses a pulp disc grinding device.

Background

The disc mill is characterized in that pulp enters a grinding disc gap from a pulp inlet of a double-disc refiner, and is discharged from a pulp outlet at the upper part by the pressure difference between the pulp inlet and the pulp outlet and the outward pressure generated by the relative rotation of a grinding disc stator and a rotor. The pulp moves from the center of the grinding disc to the periphery under the action of the huge centrifugal force of the high-speed rotating disc, and the fiber is obviously torn, washed, hung, bent, crushed and rubbed in the process, but the fiber is cut off less.

The key point of the double-disc refiner in production is to adjust the gap of the grinding disc to achieve the purpose of controlling the beating degree, so the control of the size of the disc gap is very important, and the current double-disc refiner can not adjust the gap of the grinding disc, so that the beating degree is difficult to control. In addition, the existing double-disc pulping machine is complex in structure and poor in using effect.

Disclosure of Invention

The utility model aims to provide a pulp disc grinding device to solve the problem that the beating degree is difficult to control due to the fact that the gap between grinding discs cannot be adjusted.

In order to achieve the purpose, the basic scheme of the utility model is as follows: the pulp disc grinding device comprises a shell, a first grinding disc and a second grinding disc, wherein a grinding core is fixed in the shell, one side of the grinding core is provided with the first grinding disc, the other side of the grinding core is provided with the second grinding disc, and a driving mechanism for driving the first grinding disc and the second grinding disc to rotate is arranged outside the shell; a pulp inlet pipe is arranged on one side of the shell, which is positioned on the first grinding disc, and a pulp outlet pipe is arranged on one side of the shell, which is positioned on the second grinding disc; the grinding core is provided with a first chassis corresponding to the first grinding disc and a second chassis corresponding to the second grinding disc in a sliding mode, and the shell is provided with a sliding mechanism for controlling the first chassis and the second chassis to slide.

The working principle of the basic scheme is as follows: when needing to carry out the mill to paper pulp, adopt this device to go on, let in the casing with paper pulp through advancing the thick liquid pipe, rotate through the first mill of actuating mechanism drive and second mill, paper pulp will once carry out the mill through first mill and second mill, then can collect the paper pulp of accomplishing the mill through going out the thick liquid pipe. According to the pulping requirement of the paper pulp, the position of the first chassis or the second chassis can be adjusted through the sliding mechanism, the gap of the first millstone or the second millstone for grinding the paper pulp is adjusted, and therefore the pulping degree is controlled.

The beneficial effect of this basic scheme lies in:

1. this device has realized adjusting first mill and second mill and has carried out the clearance that the mill was carried out to paper pulp through the position control on first chassis and second chassis, and then makes the beating degree of paper pulp can control, is convenient for carry out the mill to paper pulp according to the making beating demand.

2. This device simple structure carries out the disc mill in proper order to paper pulp through first mill and second mill, and the disc mill processing of quick smooth completion paper pulp makes the disc mill effect of paper pulp better.

Compared with the prior art, the device can adjust the disc grinding gap of paper pulp, so that the beating degree can be controlled.

Further, slide mechanism includes the hydraulic pump to and set up first cavity and the second cavity in the casing, first chassis sliding connection is in first cavity, and second chassis sliding connection is in the second cavity, be equipped with on the hydraulic pump with first cavity and second cavity respectively the intercommunication first siphunculus and second siphunculus.

Through hydraulic pump and first siphunculus, second siphunculus, the volume of hydraulic oil in first cavity and the second cavity is controlled respectively, and then adjusts first chassis and slides in first cavity, the second chassis slides in the second cavity, realizes the adjustment to the disc mill clearance of paper pulp. The hydraulic control is stable and stable, and the first chassis and the second chassis can withstand the pressure of the disc grinder conveniently.

Further, the driving mechanism comprises a motor and a transmission structure, and the first grinding disc and the second grinding disc are driven to rotate by the motor driving transmission structure.

The motor driving structure is simple and convenient, and the arrangement of the transmission structure is convenient.

Further, the transmission structure comprises a main shaft, a first rotating shaft and a second rotating shaft, wherein the first rotating shaft is coaxially fixed with the first grinding disc, the second rotating shaft is coaxially fixed with the second grinding disc, the main shaft is connected with an output shaft of the motor, a first main gear and a second main gear are fixed on the main shaft, a first driven gear meshed with the first main gear is arranged on the first rotating shaft, and a second driven gear meshed with the second main gear is arranged on the second rotating shaft.

The motor drives the main shaft to rotate, the first main gear and the second main gear rotate along with the main shaft to drive the first driven gear and the second driven gear to rotate, the first driven gear drives the first rotating shaft to rotate, and then the first millstone rotates to millstone the paper pulp; the second driven gear rotates to drive the second rotating shaft to rotate, and further drives the second millstone to rotate to mill the paper pulp. The whole structure is simple, the realization is easy, and the transmission process is stable.

Furthermore, the pulp inlet pipe is positioned above the first rotating shaft, and a first through hole aligned with the pulp inlet pipe is formed in the first grinding disc.

Paper pulp enters a gap between the first grinding disc and the first base plate through the pulp inlet pipe and the first through hole, so that the paper pulp can rapidly enter the gap to be submerged, the first through hole rotates along with the first grinding disc, and when the pulp inlet pipe is aligned by the first through hole, pulp can enter the gap, so that the pulp can enter the gap of the disc grinder at intervals, and the disc grinding effect of the paper pulp is ensured.

Furthermore, a feeding cavity is formed in the shell and located at the lower end of the second grinding disc, and a second through hole aligned with the feeding cavity is formed in the second grinding disc. Facilitating the disc mill gap feed of the second disc mill.

Drawings

FIG. 1 is a schematic view of an embodiment of a pulp refiner apparatus according to the utility model.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the grinding device comprises a shell 10, a pulp inlet pipe 11, a pulp outlet pipe 12, a feeding cavity 13, a grinding core 20, a first cavity 21, a first chassis 22, a second cavity 23, a second chassis 24, a first grinding disc 30, a first through hole 31, a second grinding disc 32, a second through hole 33, a motor 40, a main shaft 41, a first main gear 42, a first driven gear 43, a first rotating shaft 44, a second main gear 45, a second driven gear 46 and a second rotating shaft 47.

As shown in fig. 1, the pulp refiner device comprises a housing 10, a first refiner disc 30 and a second refiner disc 32, wherein a refiner core 20 is fixed in the housing 10, the bottom of the refiner core 20 can circulate pulp, and the bottom of the refiner core 20 is a pulp circulation chamber in the embodiment. The right side of the grinding core 20 is provided with a first grinding disc 30, the left side of the grinding core 20 is provided with a second grinding disc 32, and a driving mechanism for driving the first grinding disc 30 and the second grinding disc 32 to rotate is arranged outside the shell 10. A pulp inlet pipe 11 is arranged on the left side of the shell 10, and a first through hole 31 aligned with the pulp inlet pipe 11 is arranged on the first grinding disc 30; the upper end of the shell 10 is provided with a pulp outlet pipe 12 at the second grinding disc 32. The housing 10 is provided with a feed chamber 13 at the lower end of a second grinding disc 32, and the second grinding disc 32 is provided with a second through hole 33 aligned with the feed chamber 13. A first chassis 22 corresponding to the first grinding disc 30 and a second chassis 24 corresponding to the second grinding disc 32 are slidably disposed on the grinding core 20, and a sliding mechanism for controlling the sliding of the first chassis 22 and the second chassis 24 is disposed on the housing 10.

In this embodiment, the sliding mechanism includes a hydraulic pump, and a first cavity 21 and a second cavity 23 disposed in the housing 10, the first chassis 22 is slidably connected in the first cavity 21, the second chassis 24 is slidably connected in the second cavity 23, and the hydraulic pump is provided with a first through pipe and a second through pipe respectively communicated with the first cavity 21 and the second cavity 23. In a specific use process, in order to conveniently control the amount of the hydraulic oil in the first cavity 21 and the second cavity 23, the first through pipe and the second through pipe are provided with switch valves.

The driving mechanism comprises a motor 40 and a transmission structure, and the first grinding disc 30 and the second grinding disc 32 are driven to rotate by the motor 40. The transmission structure comprises a main shaft 41, a first rotating shaft 44 is connected to the axis of the first grinding disc 30, a second rotating shaft 47 is connected to the axis of the second grinding disc 32, the main shaft 41 is connected to an output shaft of the motor 40, a first main gear 42 and a second main gear 45 are fixed on the main shaft 41, a first driven gear 43 meshed with the first main gear 42 is arranged on the first rotating shaft 44, and a second driven gear 46 meshed with the second main gear 45 is arranged on the second rotating shaft 47.

The specific implementation process is as follows: when the device is used, paper pulp is introduced into the shell 10 through the pulp inlet pipe 11, and the paper pulp enters a gap between the first grinding disc 30 and the first base plate 22 through the first through hole 31. The motor 40 is started to rotate the main shaft 41, the first main gear 42 and the second main gear 45 rotate along with the main shaft, the first driven gear 43 and the second driven gear 46 are driven to rotate, the first driven gear 43 drives the first rotating shaft 44 to rotate, and the first grinding disc 30 is driven to rotate to grind the pulp. The first through hole 31 will rotate with the first grinding disc 30, when the first through hole 31 is aligned with the pulp inlet pipe 11, pulp can be fed, so that pulp enters the disc grinding gap at intervals, and the disc grinding effect of the pulp is ensured.

After the pulp is ground by the first grinding disc 30, the pulp enters the feeding cavity 13 through the lower end of the grinding core 20, i.e. the circulation cavity, the second driven gear 46 rotates to drive the second rotating shaft 47 to rotate, and further the second grinding disc 32 is driven to rotate to grind the pulp for the second time. The second through hole 33 will rotate with the second grinding disc 32, when the second through hole 33 is aligned with the pulp inlet pipe 11, pulp can fully enter the gap between the second grinding disc 32 and the second bottom disc 24, and the secondary grinding effect of the pulp is ensured. The ground paper pulp can be collected through the pulp outlet pipe 12, and the grinding of the paper pulp is completed.

When the device is used, the position of the first chassis 22 or the second chassis 24 can be adjusted through the sliding mechanism according to the pulping requirement of paper pulp. The specific hydraulic pump that starts controls the volume of hydraulic oil in first cavity 21 and second cavity 23 through first siphunculus, second siphunculus, adjusts first chassis 22 and slides in first cavity 21, and second chassis 24 slides in second cavity 23, realizes the adjustment to the disc mill clearance of paper pulp to control the beating degree.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Pulp disc mill device, its characterized in that: the grinding device comprises a shell, a first grinding disc and a second grinding disc, wherein a grinding core is fixed in the shell, one side of the grinding core is provided with the first grinding disc, the other side of the grinding core is provided with the second grinding disc, and a driving mechanism for driving the first grinding disc and the second grinding disc to rotate is arranged outside the shell; a pulp inlet pipe is arranged on one side of the shell, which is positioned on the first grinding disc, and a pulp outlet pipe is arranged on one side of the shell, which is positioned on the second grinding disc; the grinding core is provided with a first chassis corresponding to the first grinding disc and a second chassis corresponding to the second grinding disc in a sliding mode, and the shell is provided with a sliding mechanism for controlling the first chassis and the second chassis to slide.

2. The pulp disc mill apparatus according to claim 1, wherein the sliding mechanism comprises a hydraulic pump, and a first cavity and a second cavity provided in the housing, the first chassis is slidably connected in the first cavity, the second chassis is slidably connected in the second cavity, and the hydraulic pump is provided with a first through pipe and a second through pipe respectively communicating with the first cavity and the second cavity.

3. The pulp refiner apparatus of claim 2 wherein the drive mechanism comprises a motor and a transmission, the first and second refiner discs being rotated by the motor drive transmission.

4. The pulp refiner apparatus according to claim 3, wherein the transmission structure comprises a main shaft, a first rotating shaft coaxially fixed with the first refiner disc, and a second rotating shaft coaxially fixed with the second refiner disc, the main shaft is connected with an output shaft of a motor, a first main gear and a second main gear are fixed on the main shaft, a first driven gear meshed with the first main gear is arranged on the first rotating shaft, and a second driven gear meshed with the second main gear is arranged on the second rotating shaft.

5. The pulp refiner apparatus of claim 4 wherein the pulp inlet pipe is located above the first rotor shaft, and the first rotor shaft is provided with a first through hole aligned with the pulp inlet pipe.

6. The pulp refiner apparatus of claim 5 wherein the housing has a feed chamber at a lower end of a second refiner disc, the second refiner disc having a second through hole aligned with the feed chamber.