CN208533251U - A kind of novel double millstone devices that mill journey is long - Google Patents

Abstract

The utility model provides a kind of novel double millstone devices that mill journey is long, including base, mill unit is provided on the base, the mill unit includes fixed board, the left and right sides of the fixed board is fixedly installed the static cutting disk matched, movable grinding disc, at the center of the static cutting disk and corresponding position of fixed board is equipped with equipped with material transfer mouth, and material transfer channel is formed between three material transfer mouths；Through connection bearing connection between static cutting disk, movable grinding disc；The static cutting disk is successively arranged several annular slot grindings from outside to inside, logical hopper is equipped between adjacent annular slot grinding, outermost layer annular slot grinding is equipped with the material hole at connection static cutting disk edge, innermost layer annular slot grinding is equipped with the logical hopper of connection material transfer mouth, and the movable grinding disc is equipped with abrading block corresponding with annular slot grinding；The material hole of fixed board side is located at the top of static cutting disk, and the material hole of the fixed board other side is located at static cutting disk bottom, and the corresponding bearing that connects is equipped with the material passing tube being connected to material hole.

Description

A kind of novel double millstone devices that mill journey is long

Technical field

The utility model relates to corrugated papers to recycle pulping equipment technical field, and in particular to a kind of novel double mills that mill journey is long Disk device.

Background technique

Double disc refiner is that secondary stock recycles the fine grinding pulping equipment that utilizes extensively in paper-making process, by defibrination room, The composition such as transmission mechanism, pedestal, motor.Defibrination room is fixed grinding by two be fixed on casing and Mobile base and is mounted on Two rotations grinding on rotating disc, forms the area Liang Gemo.Slurry enters mill district center by two inlet pipes, centrifugal force and into By mill area under the action of slurry pressure, the rubbing through overground area's internal gear disc, which squeezes, completes pulping process.

The double disc refiner of the above structure, has the following problems:

1, since the quality of existing waste paper is mingled with the impurity such as iron nail worse and worse, in waste paper, and preamble crushing mechanism is difficult to These impurity are removed, mill can be seriously damaged；And the slurry concentration for entering double disc refiner is different, influences fine grinding efficiency；

2, since the mill journey of defibrination is short, in centrifugal force and under the action of starching pressure, possible part size fails sufficiently thin Mill just leaves mill area and re-grinds so that fine grinding quality is not able to satisfy production requirement and the slurry that will cause part milled is overground, It is same to influence product quality；The slurry progress fine grinding again of production requirement it is not able to satisfy to sieve, and since part fine grinding is starched Material causes slurry viscosity to increase, it is difficult to separate.

Utility model content

The utility model provides a kind of novel double millstone devices that mill journey is long, to solve existing for existing fine grinding pulping equipment Slurry concentration into fine grinding pulping equipment is different and the technical issues of influencing fine grinding efficiency.

In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:

A kind of novel double millstone devices that mill journey is long, including base, be provided on the base mill unit, motor and It is driven unit, the mill unit includes fixed board, and the left and right sides of the fixed board is fixedly installed a static cutting disk, A movable grinding disc is equipped on the outside of the static cutting disk, movable grinding disc is rotated through motor, transmission unit driving, the static cutting disk At the center and corresponding position of fixed board is equipped with equipped with material transfer mouth, and material transfer channel is formed between three material transfer mouths；It is ipsilateral Static cutting disk, between movable grinding disc through connection bearing connection；The static cutting disk is successively arranged several annular slot grindings from outside to inside, adjacent Logical hopper is equipped between annular slot grinding, outermost layer annular slot grinding is equipped with the material hole at connection static cutting disk edge, innermost layer annular mill Slot is equipped with the logical hopper of connection material transfer mouth, and the movable grinding disc is equipped with abrading block corresponding with annular slot grinding；Fixed board side Material hole be located at the top of static cutting disk, the material hole of the fixed board other side is located at static cutting disk bottom, and corresponding connection bearing is set There is the material passing tube being connected to material hole.

Preferably, the binding face of the abrading block and annular slot grinding is equipped with dot bulge or burr.

Preferably, the transmission unit includes two driven gears coaxially connected with two movable grinding discs, two from Moving gear combines and is connected with driving gear, and two driving gears are coaxially connected in same shaft, and the shaft and motor are same Axis connection, and shaft is rotatably connected to the spring bearing of a support shaft, the spring bearing is fixed on base.

Compared to the prior art, the beneficial effects of the utility model are:

The utility model will now work independently there are two mill group and be revised as side by the mode of central feeding edge discharge The working method of edge charging, edge discharging, two progressive fine grindings of mill group increases fine grinding mill journey, guarantees that all slurries are abundant Fine grinding improves fine grinding quality.

Detailed description of the invention

Fig. 1 is the overall structure diagram of thin refining system；

Fig. 2 is the structural schematic diagram of novel double mill grinding tools；

Fig. 3 is the structural schematic diagram at novel double another visual angles of mill grinding tool；

Fig. 4 is the mill unit dismantling schematic diagram of novel double mill grinding tools；

Fig. 5 is the matching relationship schematic diagram of sound mill；

Fig. 6 is the structural schematic diagram of static cutting disk；

Fig. 7 is the structural schematic diagram of movable grinding disc；

In the figure, it is marked as 1, slurry pre-treatment case；11, filter plate；12, regulation room；13, slurry chamber；14, inlet pipe；15, Drinking-water pipe；16, jelly suction pipe；17, permanent magnets；18, first motor；19, agitating device；2, suction pump；3, double mill grinding tools；31, Base；32, mill unit；321, fixed board；322, static cutting disk；3221, material hole；3222, annular slot grinding；3223, material transfer Mouthful；323, movable grinding disc；3231, abrading block；324, bearing is connected；3241, material passing tube；33, the second motor；34, it is driven unit；341, Driving gear；342, shaft；343, spring bearing；344, driven gear；35, screened stock case.

Specific embodiment

All features disclosed in this specification can be with any other than mutually exclusive feature and/or step Mode combines.

It elaborates with reference to the accompanying drawing to the utility model.

Embodiment 1

As shown in Figure 1, a kind of thin refining system with slurry pre-treatment structure, including slurry pre-treatment case 1, suction pump 2 and double mill grinding tools 3, lateral filter plate 11 is equipped with inside the slurry pre-treatment case 1, and the filter plate 11 will be before slurry It is divided into the regulation room 12 and slurry chamber 13 of overlying relation inside treatment box 1, the regulation room 12 is connected with drinking-water pipe 15, described The suction pump for taking the water in regulation room 12 away is connected on drinking-water pipe 15；The slurry chamber 13 is connected with inlet pipe 14, slurry chamber 13 Position far from inlet pipe 14 is connected with jelly suction pipe 16, and the jelly suction pipe 16 is connected with the slurry entry of suction pump 2, the suction pump 2 Slurry output end be connected with the feeding structure of double mill grinding tools 3；The agitating device 19 for stirring slurry, institute are equipped in slurry chamber 13 The shaft for stating agitating device 19 extends upwardly to the first of 1 top of slurry pre-treatment case and the one driving rotation of agitating device 19 of connection Motor 18.

In the present embodiment, slurries are directly entered in slurry chamber 13 through inlet pipe 14, while opening first motor 18, stirring dress It sets 19 and continues stirring slurries, be continually fed into slurries until the amount of slurry in slurries generally conforms to 13 respective volume of slurry chamber, corresponding The corresponding amount of slurry of concentration, under the kinetic energy effect that slurries itself are hydraulic and agitating device 19 applies, the water in slurries passes through Filter plate 11 enters regulation room 12, opens the suction pump on drinking-water pipe 15, and extra water, which is discharged, can carry out slurry concentration adjusting, In dust and red ink paste used for seals substance can enter regulation room 12 and extra water through filter plate 11 and exclude together, guarantee later period paper pulp Condition；The lasting stirring of agitating device 19 simultaneously, so that the slurry concentration for entering double mill grinding tools 3 through jelly suction pipe 16 remains Unanimously, convenient for adjusting double 3 revolving speeds of mill grinding tool, and then fine grinding efficiency is improved.

Embodiment 2

It advanced optimizes on the basis of embodiment 1, the bottom of the slurry chamber 13 is evenly equipped with several permanent magnets 17, is convenient for Removal preamble crushing mechanism is difficult to the impurity such as the iron nail removed.

Embodiment 3

It advanced optimizes on the basis of embodiment 1, the jelly suction pipe 16 is located at extending partially into slurry chamber 13 and leans on At the shaft of nearly agitating device 19, it is subject to the shaft and stirring blade of not contact stirring equipment 19, the mesh of this place structure setting Be: due to agitating device 19 work when, material will receive certain centrifugal force, and the eccentricity that intermediate material is subject to is relatively Small, further away from center, it is bigger that material throws away speed, correspondingly, the biggish impurity of quality and more compared with coarse particles, will take out Slurry pipe 16, which is located at extending partially into slurry chamber 13, can reduce the biggish impurity of quality at the shaft of agitating device 19 And enter in jelly suction pipe 16 compared with coarse particles.

Embodiment 4

Advanced optimize on the basis of embodiment 1, the slurry pre-treatment case 1, filter plate 11 material be wooden material Material, will not pollute slurry.

Embodiment 5

As shown in figs 2-4, a kind of new double mill grinding tools 3 are provided, double mill grinding tools 3 include base 31, institute It states and is provided with mill unit 32, the second motor 33 and transmission unit 34 on base 31, the mill unit 32 includes being fixed on Fixed board 321 on base 31, the left and right sides of the fixed board 321 is fixedly installed a static cutting disk 322, described quiet 322 outside of mill is equipped with a movable grinding disc 323, and movable grinding disc 323 is rotated through the second motor 33, the transmission driving of unit 34, At the center of the static cutting disk 322 and corresponding position of fixed board 321 is equipped with equipped with material transfer mouth 3223, three material transfer mouths Material transfer channel is formed between 3223, respectively through two connecting shafts between the static cutting disks 322 of 321 two sides of fixed board, movable grinding disc 323 324 connections are held, the top of the connection bearing 324 of 321 side of fixed board is equipped with the material transfer mouth 3223 to corresponding side movable grinding disc 323 The bottom of the feeding mechanism of charging, the connection bearing 324 of 321 other side of fixed board is equipped with the biography by corresponding side movable grinding disc 323 The discharging mechanism that material mouth 3223 discharges, the discharging mechanism lower section are equipped with splicing screened stock case 35.

Double mill grinding tools 3 of the present embodiment setting will now work independently there are two mill group and be arranged by central feeding edge The mode of material is revised as Edge feed, edge discharging, and the working method of two progressive fine grindings of mill group increases fine grinding mill journey, Guarantee the abundant fine grinding of all slurries, improves fine grinding quality.

Embodiment 6

As shown in Figure 5-Figure 7, it is advanced optimized on the basis of embodiment 5, the static cutting disk 322 is successively set from outside to inside There are several annular slot grindings 3222, is equipped with logical hopper between adjacent annular slot grinding 3222, outermost layer annular slot grinding 3222 is equipped with connection The material hole 3221 at 322 edge of static cutting disk, innermost layer annular slot grinding 3222 is equipped with the logical hopper of connection material transfer mouth 3223, described dynamic Mill 323 is equipped with abrading block 3231 corresponding with annular slot grinding 3222；The material hole 3221 of 321 side of fixed board is located at quiet 322 top of mill, the material hole 3221 of 321 other side of fixed board is located at 322 bottom of static cutting disk, corresponding to connect bearing 324 Equipped with the material passing tube 3241 being connected to material hole 3221.

Under 3231 thrust of pressure and abrading block of suction pump 2, the material passing tube 3241 that slurry passes through positioned at top enters logical material Mouth 3221, annular slot grinding 3222, logical hopper and material transfer mouth 3223, then the material transfer mouth 3223 through the material transfer channel arrival other side, Lead to hopper, annular slot grinding 3222, material hole 3221 and the material passing tube 3241 of bottom along the other side to be discharged, the quilt in flow process Abrading block 3231 squeezes, rubs, and realizes fine grinding work.

Embodiment 7

As shown in figure 3, advanced optimizing on the basis of embodiment 5, transmission unit 34 includes same with two movable grinding discs 323 Two driven gears 344 of axis connection, two driven gears 344 combine and are connected with driving gear 341, two driving gears 341 is coaxially connected in same shaft 342, and the shaft 342 and the second motor 33 are coaxially connected, and shaft 342 is rotatablely connected There is the spring bearing 343 of a support shaft 342, the spring bearing 343 is fixed on base 31.

Present embodiments provide a kind of transmission unit that can control the rotation of two movable grinding discs 323 simultaneously, two movable grinding discs 323 Identical speed rotates simultaneously, guarantees the orderly progress of fine grinding work.

Embodiment 8

It is advanced optimized on the basis of embodiment 6, the binding face of the abrading block 3231 and annular slot grinding 3222 is equipped with Dot bulge or burr can effectively increase fine grinding efficiency.

Embodiment 9

As shown in figs. 1-7, a kind of thin refining system with slurry pre-treatment structure, including slurry pre-treatment case 1, pumping slurry Pump 2 and double mill grinding tools 3, is equipped with lateral filter plate 11 inside the slurry pre-treatment case 1, and the filter plate 11 is by slurry It is divided into the regulation room 12 and slurry chamber 13 of overlying relation inside pre-treatment case 1, the regulation room 12 is connected with drinking-water pipe 15, institute State the suction pump for being connected on drinking-water pipe 15 and taking the water in regulation room 12 away；The slurry chamber 13 is connected with inlet pipe 14, slurry chamber 13 positions far from inlet pipe 14 are connected with jelly suction pipe 16, and the jelly suction pipe 16 is connected with the slurry entry of suction pump 2, the suction pump 2 slurry output end is connected with the feeding structure of double mill grinding tools 3；The agitating device 19 for stirring slurry is equipped in slurry chamber 13, The shaft of the agitating device 19 extends upwardly to the top of slurry pre-treatment case 1 and one driving agitating device 19 of connection rotates the One motor 18.

The bottom of the slurry chamber 13 is evenly equipped with several permanent magnets 17, is difficult to the iron removed convenient for removal preamble crushing mechanism The impurity such as nail.

The jelly suction pipe 16 is located at extending partially at the shaft of agitating device 19 in slurry chamber 13, not contact Subject to the shaft and stirring blade of agitating device 19, the purpose of this place structure setting is: when being worked due to agitating device 19, object Material will receive certain centrifugal force, and the eccentricity that intermediate material is subject to is relatively small, and further away from center, material throws away speed It is bigger, correspondingly, the biggish impurity of quality and more compared with coarse particles, is located at the part in slurry chamber 13 for jelly suction pipe 16 and extends The biggish impurity of quality can be reduced to the shaft of close agitating device 19 and is entered in jelly suction pipe 16 compared with coarse particles.

Double mill grinding tools 3 include base 31, and mill unit 32 is provided on the base 31, the second motor 33, is passed Motivation group 34 and screened stock case 35, the mill unit 32 include the fixed board 321 being fixed on base 31, and the fixation is vertical The left and right sides of plate 321 is fixedly installed a static cutting disk 322, and 322 outside of static cutting disk is equipped with a movable grinding disc 323, movable grinding disc 323 is rotated through the second motor 33, the transmission driving of unit 34, at the center of the static cutting disk 322 and fixed vertical The corresponding position of plate 321 is equipped with equipped with material transfer mouth 3223, and material transfer channel, fixed board are formed between three material transfer mouths 3223 It is connected respectively through two connection bearings 324 between the static cutting disks 322 of 321 two sides, movable grinding disc 323, the company of 321 side of fixed board The top of joint bearing 324 is equipped with the feeding mechanism fed to the material transfer mouth 3223 of corresponding side movable grinding disc 323, and fixed board 321 is another The bottom of the connection bearing 324 of side is equipped with the discharging mechanism that discharges of material transfer mouth 3223 by corresponding side movable grinding disc 323, it is described go out Expect to be equipped with splicing screened stock case 35 below mechanism.

The setting of the present embodiment reduces impurity concentration in slurry, can effectively improve the service life of double mill grinding tools 3.

It is as described above the embodiments of the present invention.The utility model is not limited to above embodiment, anyone It should learn the structure change made under the enlightenment of the utility model, it is all that there is same or similar skill with the utility model Art scheme, each falls within the protection scope of the utility model.

Claims (3)

1. a kind of grind the long novel double millstone devices of journey, including base, mill unit, motor and biography are provided on the base Motivation group, the mill unit includes fixed board, and the left and right sides of the fixed board is fixedly installed a static cutting disk, institute It states and is equipped with a movable grinding disc on the outside of static cutting disk, movable grinding disc is through motor, transmission unit driving rotation, it is characterised in that: institute It states at the center of static cutting disk and the corresponding position of fixed board is equipped with equipped with material transfer mouth, form material transfer between three material transfer mouths Channel；Through connection bearing connection between ipsilateral static cutting disk, movable grinding disc；The static cutting disk is successively arranged several annulars from outside to inside Slot grinding is equipped with logical hopper between adjacent annular slot grinding, and outermost layer annular slot grinding is equipped with the material hole at connection static cutting disk edge, most interior The annular slot grinding of layer is equipped with the logical hopper of connection material transfer mouth, and the movable grinding disc is equipped with abrading block corresponding with annular slot grinding；It is fixed The material hole of vertical plate side is located at the top of static cutting disk, and the material hole of the fixed board other side is located at static cutting disk bottom, connects accordingly Joint bearing is equipped with the material passing tube being connected to material hole.

2. a kind of novel double millstone devices that mill journey is long as described in claim 1, it is characterised in that: the abrading block and annular are ground The binding face of slot is equipped with dot bulge or burr.

3. a kind of novel double millstone devices that mill journey is long as described in claim 1, it is characterised in that: the transmission unit includes Two driven gears coaxially connected with two movable grinding discs, two driven gears combine and are connected with driving gear, two actives Gear is coaxially connected in same shaft, and the shaft is connect with motor coaxle, and shaft is rotatably connected to a support shaft Spring bearing, the spring bearing are fixed on base.