CN2769313Y

CN2769313Y - Pulp squeezing machine with function of rubbing, tearing and defibering

Info

Publication number: CN2769313Y
Application number: CN 200520004315
Authority: CN
Inventors: 雷金丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-02-02
Filing date: 2005-02-02
Publication date: 2006-04-05
Anticipated expiration: 2015-02-02

Abstract

The utility model relates to a pulp squeezing machine, which is used for extracting the black liquid in the pulp making of the papermaking, and the utility model particularly relates to a pulp squeezing machine with functions of rubbing, tearing and defibering. The utility model comprises a motor, a gearbox, a base, a casing (1), a spiral shaft (3), and a mesh screen, wherein the spiral shaft (3) and the mesh screen are arranged in the casing (1), the two ends of the casing (1) are respectively provided with a feeding box and a discharging box, the casing (1) is provided with a liquid outlet, wherein the diameter of the shaft body of the spiral shaft (3) is gradually increased along the direction from the feeding box to the discharging box, the spiral pitch of the spiral shaft (3) is gradually reduced along the direction from the feeding box to the discharging box, and the external diameter of the spiral does not change. The utility model is characterized in that the shaft body of the spiral shaft (3) approaching one side of the discharging box is provided with at least one spline (5). The utility model has the advantages of low cost and simple integral structure, the effective rubbing, tearing and defibering operation can be carried out for the pulp material, the utility model is favorable for the next procedure and the extracting rate of the black liquid can be improved further.

Description

Have rubbing and tear the press master of discongesting function

Technical field

The utility model relates to a kind of shove equipment that is used to extract black liquor in paper-making pulping, and especially a kind of have rubbing and tear the press master of discongesting function.

Background technology

Press master is the capital equipment that is used to extract black liquor in the paper-making pulping, its kind is more, use acroll press washer the most generally at present, Chinese patent " the outer vacuum inside spin press master of combined type " (publication number: CN 2297469Y, Granted publication day: on November 18th, 1998, the patent No.: 97233712.1) disclose a kind of improved acroll press washer, the applicant becomes the axis body of helical axis the multidiameter shaft of thin head and thick end, and helix pitch from the head to the tail diminishes gradually, and be provided with the anti-adjusting chock plug that pushes away that is connected with hydraulic cylinder that is used to regulate the net internal pressure at the feed box place, also strengthen the intensity of screen cloth, effectively improved pulping rate.

Chinese patent " high performance multivariable screw pulp squeezing machine " (publication number: CN 2491482Y in addition, Granted publication day: on May 15th, 2002, the patent No.: 01243345.4) on the basis of aforementioned patent, done improvement, it mainly is in the pitch of the diameter of axle that changes helical axis and spiral, the external diameter that makes spiral also from large to small, the screen cloth diameter that is mated accordingly, and the internal diameter of the mesh screen of mesh support screen also from large to small, promptly formed the multivariable extruding, further improved the black liquor extraction rate, and simplified product structure, removed the anti-adjusting chock plug that pushes away that is connected with hydraulic cylinder that is used to regulate the net internal pressure, and the blanking of auxiliary discharging is released spiral, with an end of helical axis by shaft coupling and motor, gearbox connects, and the other end is directly installed on the material feeding box side plate.

Back one patent has been done improvement on the former basis, its overall structure is further simplified, reduced manufacturing cost, but some new problems have also been brought, as the external diameter of spiral from large to small, such improvement must cause the difficulty of processing of helical axis to increase, manufacturing cost rises, the multivariable extruding has strengthened extruding force, and is higher to the requirement of strength of screen cloth, and the power output of motor is increased, energy consumption improves naturally, owing to only extract black liquor by the mode of helical axis extruding, the slurry that easily causes being left is squeezed into strip, is unfavorable for the carrying out of next step operation in addition.

Summary of the invention

The purpose of this utility model provides a kind of simple in structure, low cost of manufacture, and can tear the press master of discongesting function to the rubbing that has that the slurry after the extruding is done certain cutting process.

The technical solution of the utility model is:

A kind of have rubbing and tear the press master of discongesting function, comprise motor, gearbox, support and casing, be installed in helical axis and screen cloth in the casing, be separately installed with material feeding box and feed box at the casing two ends, on casing, be provided with liquid outlet, wherein the axis body diameter of helical axis increases to the feed box direction gradually from material feeding box, the pitch of spiral reduces and the external diameter of spiral is constant to the feed box direction gradually from material feeding box on helical axis, its special feature is near on the axis body of feed box one side at least one spline is arranged at described helical axis.

Wherein said spline is along the axial equally distributed 1-5 of helical axis.

Wherein said spline has 3.

Wherein at the other casing inner surface upper edge axial restraint of described spline some groups of pins are arranged, wherein each group pin is by constituting along the equally distributed 4-12 of casing inner surface circumferencial direction piece of pin.

Wherein said helical axis is connected with output shaft of gear-box by shaft coupling near the axis body of material feeding box one side, the other end of this helical axis by bearing fixing on feed box.

Wherein said liquid outlet is the some grooves that are evenly distributed on the casing.

A helical teeth colyliform surface is wherein arranged on the axis body between described spline and the spiral.

Wherein said helical teeth colyliform surface has the even number teeth groove, in the middle of the teeth groove of each odd number sequence number a projection is arranged, and at the teeth groove two ends of each even numbers sequence number one projection is arranged respectively.

Wherein said projection and tooth top are contour.

The utility model be on the basis of Chinese patent " high performance multivariable screw pulp squeezing machine ", carry out improved, concrete improvements comprise that the diameter of axle that makes the helical axis axis body increases to the feed box direction gradually from material feeding box, the pitch of spiral reduces to the feed box direction gradually from material feeding box on the helical axis, and that the external diameter of spiral remains is constant, corresponding screen cloth diameter that is mated and net hoop internal diameter also remain unchanged, the difficulty of processing of helical axis is reduced greatly, helical axis is near a termination motor and a gearbox of material feeding box, its other end is installed on the feed box by bearing, make overall structure simpler, maximum improvement is at the helical axis end, promptly processed at least one spline near on the axis body at feed box place, rotation along with helical axis, external spline teeth on the axis body can effectively be crumpled remaining slurry, tear, with discongest, thereby the carrying out that helps next step operation, at the other casing inner surface upper edge axial restraint of spline some groups of pins are arranged in addition, can further strengthen effect with spline fitted, also can on the axis body between spline and the spiral, process a helical teeth colyliform surface in addition, the lip-deep helical teeth of helical gear has slurry crumples and tears effect preferably, also can further improve the extraction rate of black liquor.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model embodiment 1;

Accompanying drawing 2 is the structural representation of the utility model embodiment 2;

Accompanying drawing 3 is that schematic diagram is launched in the part on helical teeth colyliform surface (4) among the utility model embodiment 2;

Accompanying drawing 4 is that schematic diagram is launched in the part that has the helical teeth colyliform surface (4) of projection (7) among the utility model embodiment 2.

The specific embodiment

Come the utility model is described in further detail below in conjunction with accompanying drawing:

Embodiment 1:

The utility model comprises motor, gearbox, support and casing 1, be installed in helical axis 3 and screen cloth in the casing 1, screen cloth can be selected stainless steel material for use, be fixed in the casing 1 by net hoop or welding manner, be separately installed with material feeding box and feed box at casing 1 two ends, wherein helical axis 3 is connected with output shaft of gear-box by shaft coupling near the axis body of material feeding box one sides, the other end of this helical axis 3 by bearing fixing on feed box.

As shown in Figure 1, be provided with liquid outlet on casing 1, this liquid outlet is to be evenly distributed on casing 1 lip-deep some grooves 2, and black liquor can be discharged from groove 2 through screen cloth.

As shown in Figure 1, the axis body diameter of helical axis 3 increases to the feed box direction gradually from material feeding box, the pitch of spiral reduces and the external diameter of spiral remains constant to the feed box direction gradually from material feeding box on helical axis 3, near on the axis body of feed box one side at least one spline 5 is arranged at helical axis 3, promptly on axis body, process at least one place external spline teeth, preferably, 3 splines 5 have been processed as shown in Figure 1 along an axial equally distributed 1-5 spline 5 of helical axis 3.

Further, as shown in Figure 1, at spline 5 other casing 1 inner surface upper edge axial restraints some groups of pins 6 are arranged, be illustrated in figure 1 as 4 groups, promptly respectively have one group in each spline 5 both sides, wherein each group pin 6 preferably adopts 6 pieces by constituting along equally distributed 4-12 piece of pin of casing 1 inner surface circumferencial direction, wherein an end of every piece of pin all is welded on casing 1 inner surface, the other end extend to axis body at a distance of the 5-10mm place.

Embodiment 2:

As shown in Figure 2, on the axis body between spline 5 and the spiral, be processed with a helical teeth colyliform surface 4, promptly on axis body, directly process a helical gear, certainly, also can on axis body, be connected and fixed helical gear of installation by interference fit or key, because this helical gear helical teeth only plays rubbing and role of tear to slurry, therefore helical teeth can adopt involute teeth other shape in addition, schematic diagram is launched in the part that is illustrated in figure 3 as this helical teeth colyliform surface 4, there is dashed area to represent transverse tooth thickness among the figure, the shadow-free line is partly represented teeth groove, further, wherein helical teeth colyliform surface 4 has the even number teeth groove, as shown in Figure 4, in the middle of the teeth groove of each odd number sequence number, a projection 7 is arranged, one projection 7 is respectively arranged at the teeth groove two ends of each even numbers sequence number, projection 7 can equate with outside pitch line length, the effect that this structure can further strengthen rubbing and tear.

Other parts are identical with embodiment 1.

Claims

1, a kind of have rubbing and tear the press master of discongesting function, comprise motor, gearbox, support and casing (1), be installed in helical axis (3) and screen cloth in the casing (1), be separately installed with material feeding box and feed box at casing (1) two ends, on casing (1), be provided with liquid outlet, wherein the axis body diameter of helical axis (3) increases to the feed box direction gradually from material feeding box, the pitch that goes up spiral at helical axis (3) reduces and the external diameter of spiral is constant to the feed box direction gradually from material feeding box, it is characterized in that: near on the axis body of feed box one side at least one spline (5) is arranged at described helical axis (3).

2, as claimed in claim 1 have rubbing and tear the press master of discongesting function, and it is characterized in that: wherein said spline (5) is along the axial equally distributed 1-5 of helical axis (3).

3, as claimed in claim 2 have the rubbing tear the press master of discongesting function, it is characterized in that: wherein said spline (5) has 3.

4, as claimed in claim 1 have rubbing and tear the press master of discongesting function, it is characterized in that: wherein at other casing (1) the inner surface upper edge axial restraint of described spline (5) some groups of pins (6) are arranged, wherein each group pin (6) is by constituting along casing (1) inner surface circumferencial direction equally distributed 4-12 piece pin (6).

5, as claimed in claim 1 have rubbing and tear the press master of discongesting function, it is characterized in that: wherein said helical axis (3) is connected with output shaft of gear-box by shaft coupling near the axis body of material feeding box one side, the other end of this helical axis (3) by bearing fixing on feed box.

6, as claimed in claim 1 have the rubbing tear the press master of discongesting function, it is characterized in that: wherein said liquid outlet is the some grooves (2) that are evenly distributed on the casing (1).

7, as in the claim 1 to 6 any one described have the rubbing tear the press master of discongesting function, it is characterized in that: a helical teeth colyliform surface (4) is wherein arranged on the axis body between described spline (5) and the spiral.

8, as claimed in claim 7 have rubbing and tear the press master of discongesting function, it is characterized in that: wherein said helical teeth colyliform surface (4) has the even number teeth groove, in the middle of the teeth groove of each odd number sequence number, a projection (7) is arranged, one projection (7) is respectively arranged at the teeth groove two ends of each even numbers sequence number.

9, as claimed in claim 8 have rubbing and tear the press master of discongesting function, and it is characterized in that: wherein said projection (7) and tooth top are contour.