CN85108615A - Multi-disc type paper pulp refiner drives rotating disk with flexible link - Google Patents

Abstract

A kind of multi-disc type refiner has import and the outlet of flowing through casing for suspension fiber on a casing, one group of rotating mill of energy is arranged in casing, and refining effect is played to the suspension fiber that flows through in the milling surface on it.Second group of refinement mill is arranged between the revolution mill spaced reciprocally, and the milling surface on it is relative with the milling surface of rotary disk, forms the working clearance.The present invention adopts one group of flexible link, and drive unit is connected with rotating disk, and the gyration of rotating disk and the axial dipole field between rotating disk and the drive unit are provided.

Description

Multi-disc type paper pulp refiner drives rotating disk with flexible link

The present invention relates to handle in a kind of relevant paper-making process the even distributor of suspension fiber, between the disk of a device for revolving and driving and a refining effect, adopt flexible link to connect.

From the slurry of beater, digestion machine or the output of other pulping machinery, flow through usually between mill or the refinement surface, make the fibrous material fragmentation, further defibre tissue also improves its physical property.

Thomas's (Thomas) United States Patent (USP) discloses a kind of typical paper pulp refiner for No. 3371873.The refiner of this type comprises a rotary disk, and its one or both sides are annular refinement surface.The refinement surface of disk is relative with the annular surface of the mill that can not rotate, and makes the refinement zone that constitutes converting pulp between the surface.Rotary disk and refinement surface make of high hard material, for example cylinder iron or hard stainless steel make.The mill surface that can not rotate makes of same material, and fix securely, hinder the torque that quick rotating disk was produced and the pressure of the paper pulp material in the gap, refinement zone of flowing through with anti-, the disk that is installed on the axle can move axially to adjust the end play in refinement zone.

The exigent manufacturing of disk refiner and the assembly precision of rigid structure, gap in the hope of the refinement zone reaches correct width, because rigid disc bears very big pressure in thinning process, thereby must adopt firm greatly and very structure, could under stressing conditions, the relativeness on refinement surface be remained unchanged.Because the requirement on machining accuracy height, the high-strength material consumption of making disk is big, and structural requirement is solid and working ability machine is restricted and during assembly fee, cause the price of rigid disc refiner very expensive.

Recently more existing improved multi-disc type paper pulp refiners, its advantage is to move under low-intensity.For example by the same agent of the application, No. 466006, the United States Patent (USP) of handling for Matthew and Kirchner, " flexible disk refiner and thinning method " by name.This refiner have a plurality of radially overhanging, axially relative to and the refinement surface of rotating round about, suspension flow when opposite rotation surperficial by refinement.Be provided with special arrangement and radially pass through flowing of material between the surface with control.Its outstanding improvement content comprises the resilient sinking support of refinement surface use, and supporting arrangement can be according to operating pressure, and the mutual alignment on axial adjustment refinement surface is to obtain the best condition of work in refinement surface.

Any paper viscosity refiner mostly drives several revolution refinement dishes with a common wheel hub, and disk must freely move about several millimeters vertically when operation.Axial free-swimming method commonly used, can cause fiber in the paper pulp accumulate in rotating disk around, produce and tie up and clogging.Above-mentioned patent has been used a kind of glass fibre thin slice of lamination, but its existing enough flexibility makes disk play, and the rotary motive power that certain torsion strength can transmit to be needed is arranged again.But when thin slice after short-term, use.The hole of some paper supply slurry circulations and increase axial elasticity enlarges gradually owing to be subjected to friction of granule effect in the paper pulp on the thin slice.The expansion in hole makes thin slice damage finally and can not use.

Refiner of the present invention adopts polydisc to arrange assembling.One group of disk can turn round, and another group disk is then fixing different, or two groups of disk revolutions round about respectively.Two groups of disks all are contained in the casing, have on the casing for fibre pulp the flow through import and the outlet of casing.Drive unit can make a group or two groups of disks rotations in the casing.Two groups of disks all have the refinement surface, toward each other, leave the small working clearance between the surface, and the fibre pulp that comes from import flows out from outlet by the gap.According to the present invention, I have designed one group of flexible link, and drive unit and rotating refinement dish are coupled together, and can allow axial trace to move about again when gyration is done in the driving refinement.

The version that the present invention selects for use, an end of connecting rod is installed on the drive unit with pivot pin, and the other end of connecting rod then is contained on the bearing pin and can does limited rotation around bearing pin.The length of bearing pin is between the outer surface of revolution refinement dish of a pair of veneer combination just.

The layout that the present invention selects for use has two pairs of flexible links at least, apart 90 °.

The present invention will further describe according to accompanying drawing:

Fig. 1 is the partial view of the improved multi-disc type refiner of the present invention.

Fig. 2 is the part sectioned view along II among Fig. 1-II hatching line.

The partial view that Fig. 3 analyses and observe part and vertically analyses and observe for parts transversely, the flexibility action of flexible link during in order to the operation of expression refiner.

Among Fig. 1, the improved multi-disc type paper pulp of code name 10 expression the present invention refiner.11 is the casing of refiner, and charging aperture 12 and discharging opening 13 are arranged on the casing 11.The axle that is installed in the casing 11 14 can rotate, and axle 14 is connected with wheel hub 15 by key 16, and cover plate 17 usefulness screws 18 are adorned firm on wheel hub.

When suspension fiber from import 12 and outlet 13 by the time, between the rotating disk and price fixing of the refinement dish alternately of must flowing through, suspension fiber is reduced and cracking, forms fiber more tiny and that disperse.20 and 21,22 and 23,24 and 25 is paired rotating disk shown in the figure.Have rib 26 relative with rib 27 on the end plates 28 on the rotating disk 20, end plates 28 usefulness screws 29 are fixed on the casing 11, and the working clearance between the rib is represented with code name 30 relatively.

The rib of refinement dish 21 is relative with the rib of price fixing 31, and the working clearance between the rib is 32.Another price fixing 33 usefulness mechanical means and price fixing 31 link together, and the rib on the dish 33 is relative with the rib on the rotating disk 22, form the working clearance 34 between them.

Second pair of price fixing 35 is relative with rotating disk 23 and 24 respectively with 36, forms working clearance 37 and 38 respectively, and the rib on the last rotating disk 25 is relative with rib on the end plates of fixing 39 forms the working clearance 40.

Price fixing is bearing on the casing as shown in Figure 1 with flexible flake 41 and 42, and these thin slices are made of suitable material (for example laminated glass fiber).Diaphragm 41 and 42 end are fixed on the both sides of ring 43, and firm on casing with stud 44 and nut 45 dresses.

Version of the present invention utilizes the routing motion of rotating disk and price fixing to obtain the effect of refinement fiber as shown in the figure.The present invention also can be applicable to two groups alternately, rotating round about separately rotating disk.

Present invention is specifically related to following situation, rotating disk is being supported by drive unit and is making it rotate ， And to a certain degree axial elasticity to be arranged, make between drive hub and the rotating disk, can produce the axial dipole field of trace.As shown in the figure, adopt flexible link 51, the one end is installed on the axle 52 of having strong market potential, and the other end is installed with short pin shaft 53.Be installed in the both sides of connecting rod 51 ends on the bearing pin 52, a pair of packing ring 54 is arranged.Stripper loop 55 and 56 is with packing ring 57, and with so that flexible link 58 is in middle position, the other end of connecting rod 58 is equipped with bearing pin 59.Have breach on rotating disk 22 and 23 the faying face as shown in Figure 2, represent with code name 60 among the figure, in order to adapt to moving of connecting rod.

The present invention presses form shown in the figure, adopts eight flexible links, and its end is equally spaced with bearing pin and is installed on the drive hub, and is in the position of transmitting torsion.Each connecting rod is made into through heat treated stalloy is folded with several, can make between rotating disk and the wheel hub and produce axial dipole field around the trunnion axis bending like this, is similar to the effect of flat reed in elastic limit.Simultaneously, along connecting rod tension force longitudinally, the gyration of wheel hub is passed to rotating disk.Because the bending of connecting rod is offset, the distance between every pair of wheel hub pivot pin and the rotating disk pivot pin (pivot pin 50 and 52) is shortened, and between wheel hub and rotating disk, produce small angle displacement, the design of link pin axle head is easy to adapt to the angle variation of trace.The concentricity of wheel hub and rotating disk, the connecting rod with two pairs of separate 90 ° of installations keeps at least.Therefore eight connecting rods can be formed four pairs, are enough to the concentricity that keeps good.

The function that the axial trace of flexible link moves when operation can obtain best explanation from Fig. 3.The shape of connecting rod shown in the figure 58 has exaggeratively slightly, uses clearly when being illustrated in the Refinement operation operation, and soft connecting rod can be regulated the working clearance 34 and 37 automatically and reach the equal widths size.

Flexible planar linkage of the present invention, the concentric rotating disk of multi-disc that gyration can be passed to the bearing pin gap variableization from a common wheel hub.The multilayer metal foil structure can replace compound glass fiber or its similar material effectively, because the paper pulp fiber that these materials are easy to be centered around on the rotary disc assembly corrodes.

Clearly can within not departing from the scope of the present invention, produce multiple modification kind according to said apparatus.

Claims (15)

1, the multi-disc type refiner is characterized in that, this refiner is made up of following parts: the casing that import and outlet are arranged, suspension fiber flows through from casing, one drive unit is installed in this casing, one group of refinement mill that rotates is arranged in casing, the milling surface is arranged on it, provide refining effect to the suspension fiber that flows through from import and export, second group of refinement mill respectively is distributed between the revolution refinement mill, milling surface on it is relative with the milling surface of revolution mill, form the narrow and small working clearance, one group of flexible link, drive unit is connected with the revolution mill, gyration is passed to the revolution mill, and can adapt to the axial dipole field between drive unit and the revolution mill.

2, according to the refiner of claim 1, comprising: an end of each connecting rod, be connected on the drive unit with pivot pin, the other end of connecting rod is installed in revolution mill Shang ， And with bearing pin and can rotates a little around bearing pin.

3, according to the refiner parts of claim 2, the length of bearing pin, its elongation is limited between the revolution mill of a pair of veneer combination.

4, according to the refiner of claim 1, its second group of refinement mill is installed in the casing immovably.

5, according to the refiner of claim 4, comprising: second group of refinement mill is fixed on the casing with flexible flake.

6,, have two pairs of flexible links at least, apart 90 ° according to the refiner parts of claim 1.

7, according to the refiner parts of claim 1, flexible link is formed with stalloy.

8, according to the refiner parts of claim 3, on the composition surface of every pair of revolution mill, have breach to adapt to moving of bearing pin.

9, multi-disc type refiner comprises a driving shaft and one group of revolution mill, turns round mill and arranges at regular intervals along driving shaft, and by the driving shaft transmission, improved theing contents are as follows:

The jockey that connects driving shaft and revolution mill, jockey is the strip shape flexible link, the one end links to each other with driving shaft, and the other end is fixed on the revolution mill, and this connecting rod has enough flexibilities to adapt to the micro-axial displacement between driving shaft and the revolution mill.

10, according to the refiner of claim 9, each flexible link, similar reed can be around flat direction bending.

11, the refiner according to claim 9 comprises the pivot pin device, and an end of connecting rod is fixed on the rotary disk.

12, according to the refiner of claim 11, fit mutually in the back side of revolution mill, and a bearing pin extends between the mill of a pair of combination.

13, the multi-disc type refiner comprises a casing that has import and outlet, paper pulp in order to the guiding suspension fiber flows through from casing, an energy rotating drive unit in casing, several revolution mills to spaced apart are arranged in casing, the outside of every pair of mill is the milling surface, and the inboard is the flat surface of fitting mutually.

One group of refinement mill is installed between the revolution mill spaced reciprocally, constitutes the working clearance between the relative milling surface, and suspension fiber paper pulp flows through from the gap, and one group of flat flexible link connects drive unit and revolution mill.

14, according to the refiner of claim 13, include the pivot pin device, the development length of pivot pin is no more than the outer surface of every pair of revolution mill, and pivotally connected with the end formation of connecting rod.

15, according to the structure of claim 13, each flat flexible connecting rod has the function that is similar to reed, can be around flat direction bending.