CN203663922U

CN203663922U - Inclined pendulum waterfall blanking mill

Info

Publication number: CN203663922U
Application number: CN201420003777.9U
Authority: CN
Inventors: 肖先成
Original assignee: GUILIN SHENGXING MACHINERY CO Ltd
Current assignee: GUILIN SHENGXING MACHINERY CO Ltd
Priority date: 2014-01-03
Filing date: 2014-01-03
Publication date: 2014-06-25
Anticipated expiration: 2024-01-03

Abstract

The utility model discloses an inclined pendulum waterfall blanking mill. A central shaft bracket is mounted at the lower part of a base of a main frame, grinding rings are mounted in inner holes in the upper part of the base, a cover cylinder is mounted on the upper end surface of the base, a feeding opening is formed in the cover cylinder, the lower part of a main frame spindle is arranged on the central shaft bracket, the upper part of the main frame spindle is coaxially sleeved with a scraper frame, a fixed roller frame connected to the top of the scraper frame is mounted at the upper end of the main frame spindle, a scraper is mounted at the bottom of the scraper frame, grinding roller devices are uniformly distributed on the circumference of the main frame spindle, each grinding roller device comprises a grinding roller frame and a grinding roller, the grinding roller frame is obliquely arranged on the fixed roller frame outward and downward, and the grinding roller with degree of freedom in the oblique direction is propped against the corresponding grinding ring; accumulation zones are defined by the upper end surface of the base and the upper end surface area of the grinding rings through the cover cylinder, and spiral guide chutes used for distributing materials uniformly into the accumulation zones are arranged on the cover cylinder. According to the inclined pendulum waterfall blanking mill, a waterfall blanking mode is adopted,a double-feeding mode is formed through combination with scraper feeding for material grinding, empty grinding consumption is reduced, the grinding force and grinding probability are increased due to the obliquely arranged grinding rollers, and the processing efficiency of the mill is increased greatly.

Description

Cross roll waterfall material flour mill

(1) technical field:

The utility model relates to powder process equipment, is a kind of cross roll waterfall material flour mill specifically.

(2) background technology:

Flour mill is breeze sector application equipment the most widely.

A kind of universal architecture of flour mill main frame is: hollow central shaft bracket and coaxial bull ring and cover cylinder are housed on main machine base, main frame main shaft is located in central shaft bracket, fixed roll frame (or claiming plum blossom frame) is equipped with in the main frame main shaft upper end of stretching outside central shaft bracket, the grinding roller assembly of circle distribution is located on fixed roll frame, in the revolution process of grinding roller assembly, grinding roller assembly makes to keep rolling to contact between each grinding roller and bull ring by centrifugal action, mutually rolling between grinding roller and bull ring reaches crushing material the object of producing powder, and this is the Cracking Mechanism place of abrasive dust main frame.

The charging aperture of flour mill main frame is opened on cover cylinder, the material entering from charging aperture is directly to fall in main machine base bottom from bull ring substantially, it is mainly rely on relieving tool post to drive perching knife rotation and complete that material rolls between grinding roller and bull ring, and described perching knife throws material between the corresponding grinding roller and bull ring arranging.

Because perching knife material casting angle is certain, and material is from fine sand to 4 centimetre piece not etc., light, heavy material movement locus difference, and quite a few aniseed is idle to fly away, and causes feeding deficiency, is that this class flour mill yield in unit time is not high, the major reason of inefficiency.

(3) utility model content:

For this reason, the utility model proposes a kind of cross roll waterfall material flour mill, mainly solve the low problem of traditional flour mill working (machining) efficiency.

The cross roll waterfall material flour mill that can solve the problems of the technologies described above, comprise abrasive dust main frame, the base bottom mounting center pedestal of abrasive dust main frame, base top endoporus is installed bull ring, base upper end mounting cup cylinder, main frame main shaft bottom is located in central shaft bracket and is stretched out connection for transmission mechanism downwards, main frame main shaft top coaxial package relieving tool post, the fixed roll frame being connected with relieving tool post top is equipped with in main frame main shaft upper end, perching knife is installed in relieving tool post bottom, be provided with Burnisher apparatus around main frame main shaft circumference uniform distribution, described Burnisher apparatus comprises grinding roller frame and grinding roller unlike the prior art, described grinding roller frame is fixedly arranged on fixed roll frame and is tilting to outer lower side, the grinding roller with the described oblique free degree is installed and is butted on grinding roller frame by shaft of grinding roller on the up big and down small taper grinding face of bull ring, the included angle of grinding roller frame is identical with the cone angle of taper grinding face, the described cylinder that covers surrounds buildup district (described buildup district is more many greatly than routine) in base upper end outer rim by the base upper end in cover cylinder and bull ring upper end surface area, on described cover cylinder, offer more than one charging aperture, be provided with the spiral deflector chute to the uniform distribution of buildup district by the material entering corresponding to each charging aperture in cover cylinder.

In said structure, material is piled up prior to buildup district, along with material is cumulative and work in the vibrations of abrasive dust main frame, material can be along the landing as the waterfall of taper flour milling, the self-assembling formation between district of milling at grinding roller and bull ring is milled material bed, be accompanied by the continuous feed of perching knife and force to form and mill material bed (perching knife is thrown the material flying and fallen buildup district), the mill increase of district's inventory and material bed thickening, established solid foundation for improving output and efficiency; And taper grinding face has increased the area of milling, the weight fraction masterpiece of grinding roller has increased on bull ring the power of milling, and output and efficiency are further enhanced.

Grinding roller can be set up in to sustained height position on fixed roll frame, described grinding roller becomes individual layer roller in sustained height; Or described grinding roller is set up in to the diverse location on fixed roll frame, described grinding roller becomes two-layer with top roll in differing heights.

Conventionally described grinding roller frame be fixedly arranged on to the upper and lower position on fixed roll frame and form the two-layer roller of upper and lower dislocation.

For making the returning charge after classification be gathered in buildup district, in described cover cylinder, coaxial inner core is set, between cover cylinder and inner core, form the ring cavity of charging and classification returning charge, the graded region corresponding to cover cylinder top suitable for reading of described ring cavity, the end opening of described ring cavity is corresponding to buildup district.

A kind of structure that can make grinding roller have the described oblique free degree is: described grinding roller is placed in grinding roller frame end towards interior that offer with in the oblique consistent annular groove of fixed roll frame, described shaft of grinding roller be snug fit at that grinding roller frame annular groove upper and lower parts offer with in the oblique consistent sliding tray of fixed roll frame, or the axle bed that arranges by correspondence of described shaft of grinding roller be snug fit at that grinding roller frame annular groove upper and lower parts offer with in the oblique consistent sliding tray of fixed roll frame.

For further improving the power of milling, in the annular groove of described fixed roll frame, be provided with along the grinding roller of described oblique promotion shaft of grinding roller or axle bed and push away frame and push away the elastic body of frame along described oblique promotion grinding roller.

The another kind of structure that can make grinding roller have the described oblique free degree is: described grinding roller frame is parallel four-bar linkage, the hinge point difference hinge fixed roll frame that described parallel four-bar linkage is relative and the shaft of grinding roller of grinding roller.

For further improving the power of milling, between described relative hinge point, be provided with along the elastic body of described oblique promotion grinding roller.

The beneficial effects of the utility model:

1, the utility model cross roll waterfall material flour mill arranges buildup district and adopts waterfall cutting mode, forms two materials of milling of supplying with in conjunction with perching knife feed, realizes the even feed to the district that mills.

2, the utility model, due to even feed, has been eliminated the unnecessary consume of empty mill mutually between grinding roller and bull ring.

3,, in the utility model, because material extends through taper grinding face drop-out time, be conducive to mill.

4, the utility model structure and outstanding pendulum type ring roll pulverizer are relatively because of nothing suspension, good rigidly.

5, the utility model is simple in structure, cost is low, manufacture handling ease, is the preferred unit of flour mill of new generation.

(4) accompanying drawing explanation:

Fig. 1 is the structural representation of a kind of embodiment of the utility model.

Fig. 2 is the structural representation of the another kind of embodiment of the utility model.

Fig. 3 is the structural representation of another embodiment of the utility model.

Fig. 4 (a), Fig. 4 (b), Fig. 4 (C) are respectively A in Fig. 1, Fig. 2, Fig. 3 to, B to, C to view.

Fig. 5 is the structure chart of cover cylinder in Fig. 1, Fig. 2, Fig. 3.

Fig. 6 is the top view of Fig. 5.

Figure number mark: 1, base; 2, central shaft bracket; 3, bull ring; 4, cover cylinder; 5, charging aperture; 6, main frame main shaft; 7, relieving tool post; 8, fixed roll frame; 9, perching knife; 10, grinding roller frame; 11, grinding roller; 12, buildup district; 13, guide helicla flute; 14, inner core; 15, ring cavity; 16, sliding tray; 17, axle bed; 18, shaft of grinding roller.

(5) specific embodiment:

Below in conjunction with accompanying drawing illustrated embodiment, the technical solution of the utility model is described further.

The base 1 of the abrasive dust main frame of the utility model cross roll waterfall material flour mill is fixed on concrete machine block, the hollow central shaft bracket 2 of the coaxial installation in base 1 bottom, the coaxial bull ring 3 of installing in base 1 top endoporus, coaxial mounting cup cylinder 4 in base 1 upper end, the flour milling of described bull ring 3 is up big and down small taper grinding face, and on described cover cylinder 4, symmetry offers two charging apertures 5, main frame main shaft 6 bottoms are installed in central shaft bracket 2, main frame main shaft 6 lower ends are stretched out central shaft bracket 2 and are connected reductor by shaft coupling, central shaft bracket 2 coaxial package relieving tool post 7 are stretched out in main frame main shaft 6 tops, it is plum blossom shelf structure that fixed roll frame 8(is equipped with on the top of main frame main shaft 6), fixed roll frame 8 connects relieving tool post 7 tops, perching knife 9 is installed in relieving tool post 7 bottoms, on fixed roll frame 8, circumference uniform distribution is equipped with multiple Burnisher apparatus (being specifically shown as four in present embodiment), described Burnisher apparatus is mainly made up of grinding roller frame 10 and grinding roller 11, described grinding roller frame 10 is fixedly arranged on fixed roll frame 8 and is tilting to outer lower side, described grinding roller 11 is installed and is butted on grinding roller frame 10 by shaft of grinding roller 18 on the up big and down small taper grinding face of bull ring 3, the included angle of grinding roller frame 10 is identical with the cone angle of taper grinding face, in described Burnisher apparatus, described grinding roller 11 has in described oblique free-moving function, as Fig. 1, Fig. 2, shown in Fig. 3.

The grinding roller frame 10 of described Burnisher apparatus is fixedly arranged on the sustained height position on fixed roll frame 8, and multiple grinding rollers 11 are in same aspect and form individual layer roller, as shown in Figure 1, Figure 3.

The grinding roller frame 10 of described Burnisher apparatus is fixedly arranged on the upper and lower height and position of fixed roll frame 8, the grinding roller 11 of half is on upper aspect the oblique upper taper grinding face that is butted on bull ring 3, second half grinding roller 11 is on subsurface the oblique lower taper grinding face that is butted on bull ring 3, the grinding roller 11 of upper and lower layer forms grinding roller 11 positions of double-deck roll structure and upper and lower layer and staggers, and the shovel material height of perching knife 9 is corresponding to upper strata grinding roller 11, as shown in Figure 2.

A kind of version that can make grinding roller 11 have the described oblique free degree is:

Described grinding roller 11 be placed in that grinding roller frame 10 end faces inwardly offer with (specific design in the oblique consistent annular groove of fixed roll frame 8, can grinding roller frame 10 and fixed roll frame 8 be established as a whole), the axle bed 17 that described shaft of grinding roller 18 arranges by correspondence be snug fit at that grinding roller frame 10 annular groove upper and lower parts offer with in the oblique consistent sliding tray 16 of fixed roll frame 8, or described shaft of grinding roller 18 be snug fit at that grinding roller frame 10 annular groove upper and lower parts offer with in the oblique consistent sliding tray 16 of fixed roll frame 8, as shown in Figure 1, Figure 2, shown in Fig. 4 (a), Fig. 4 (b).

In mill processes, the wearing and tearing that described structure can auto-compensation grinding roller 11, and the material that can effectively dodge the district's bulk of milling.

For improving the power of milling, in the annular groove of described fixed roll frame 8, can arrange along the grinding roller of described oblique promotion axle bed 17 or shaft of grinding roller 18 and push away frame, and the elastic body that pushes away frame along described oblique promotion grinding roller is set; The conventional Compress Spring that adopts is as elastic body, Compress Spring power makes grinding roller 11 produce the extra pressure to bull ring 3, when abrasive dust host work, the centrifugal force of extra pressure and grinding roller 11 and the weight component of grinding roller 11 synthesize the grinding pressure between grinding roller 11 and bull ring 3 jointly.

The another kind of version that can make grinding roller 11 have the described oblique free degree is:

Described grinding roller frame 10 is parallel four-bar linkage, and the hinge point difference hinge fixed roll frame 8 that described parallel four-bar linkage is relative and the shaft of grinding roller 18 of grinding roller 11, as shown in Fig. 3, Fig. 4 (C).

For improving the power of milling, between described relative hinge point, be provided with along the elastic body of described oblique promotion grinding roller 11; The conventional Compress Spring that adopts is as elastic body, Compress Spring power makes grinding roller 11 produce the extra pressure to bull ring 3, when abrasive dust host work, the centrifugal force of extra pressure and grinding roller 11 and the weight component of grinding roller 11 synthesize the grinding pressure between grinding roller 11 and bull ring 3 jointly.

Described cover cylinder 4 outer rims in base 1 upper end are installed, in cover cylinder 4, inner core 14 is also coaxially set, base 1 upper end and bull ring 3 upper end surface area are surrounded buildup district 12 by cover cylinder 4, between cover cylinder 4 and inner core 14, form the ring cavity 15 of charging and classification returning charge, the graded region in cover cylinder 4 tops suitable for reading of described ring cavity 15, the end opening of ring cavity 15 is in 12 tops, buildup district, the classification returning charge stopping from the charging of charging aperture 5 and the machine that is graded all by ring cavity 15 blankings in buildup district 12; In described ring cavity 15, be provided with the material guide mechanism to 12 uniform distributions of buildup district by material, described material guide mechanism is made as two covers, correspond respectively to two charging apertures 5, the material that every cover material guide mechanism is responsible for semi-circumference buildup district 12 distributes, a kind of structure of material guide mechanism can adopt many guide helicla flutes 13, the upper end of described guide helicla flute 13 all originates in corresponding charging aperture 5, as shown in Figure 5, Figure 6.

The course of work of the present utility model:

Motor Drive main frame main shaft 6, main frame main shaft 6 drives fixed roll frame 8 to rotate, and grinding roller 11 and the bull ring 3 of each Burnisher apparatus interact and form individual layer roller or double-deck roll; Meanwhile, material enters from the charging aperture 5 of cover cylinder 4, assembles in buildup district 12 by 13 uniform distributions of guide helicla flute.

In mill processes, the material in buildup district 12 enters along the landing of taper flour milling the district that mills, and the material that perching knife 9 is thrown also constantly feeds the district that mills (material that part shovel flies also collects in buildup district simultaneously) simultaneously.

The analytical engine at cover cylinder 4 tops intercepts the returning charge of getting off and is gathered in buildup district 12 through ring cavity 15, participates in the constantly mill processes of circulation.

Claims

1. cross roll waterfall material flour mill, comprise abrasive dust main frame, base (1) the bottom mounting center pedestal (2) of abrasive dust main frame, base (1) top endoporus is installed bull ring (3), base (1) upper end mounting cup cylinder (4), main frame main shaft (6) bottom is located in central shaft bracket (2) and is stretched out connection for transmission mechanism downwards, main frame main shaft (6) top coaxial package relieving tool post (7), the fixed roll frame (8) being connected with relieving tool post (7) top is equipped with in main frame main shaft (3) upper end, perching knife (9) is installed in relieving tool post (7) bottom, be provided with Burnisher apparatus around main frame main shaft (6) circumference uniform distribution, it is characterized in that: described Burnisher apparatus comprises grinding roller frame (10) and grinding roller (11), it is upper and tilting to outer lower side that described grinding roller frame (10) is fixedly arranged on fixed roll frame (8), the grinding roller (11) with the described oblique free degree is installed and is butted on grinding roller frame (10) by shaft of grinding roller (18) on the up big and down small taper grinding face of bull ring (3), the included angle of grinding roller frame (10) is identical with the cone angle of taper grinding face, described cover cylinder (4) surrounds buildup district (12) in base (1) upper end outer rim by base (1) upper end and bull ring (3) upper end surface area of covering in cylinder (4), on described cover cylinder (4), offer more than one charging aperture (5), be provided with the spiral deflector chute (13) to buildup district (12) uniform distribution by the material entering corresponding to charging aperture (5) in cover cylinder (4).

2. cross roll waterfall material flour mill according to claim 1, is characterized in that: described grinding roller frame (10) is located at the upper sustained height of fixed roll frame (8) position, and described grinding roller (11) becomes individual layer roller in sustained height; Or described grinding roller frame (10) is located at the diverse location on fixed roll frame (8), described grinding roller (11) becomes two-layer with top roll in differing heights.

3. cross roll waterfall material flour mill according to claim 2, is characterized in that: described grinding roller frame (10) is fixedly arranged on the upper and lower position on fixed roll frame (8) and forms the two-layer roller of upper and lower dislocation.

4. according to the cross roll waterfall material flour mill described in any one in claim 1～3, it is characterized in that: in described cover cylinder (4), coaxial inner core (14) is set, between cover cylinder (4) and inner core (14), form the ring cavity (15) of charging and classification returning charge, the graded region corresponding to cover cylinder (4) top suitable for reading of described ring cavity (15), the end opening of described ring cavity (15) is corresponding to buildup district (12).

5. according to the cross roll waterfall material flour mill described in any one in claim 1～3, it is characterized in that the structure that can make grinding roller (11) have the described oblique free degree is: described grinding roller (11) be placed in that grinding roller frame (10) end face inwardly offers with in the oblique consistent annular groove of fixed roll frame (8), described shaft of grinding roller (18) is snug fit on grinding roller frame (10) annular groove, lower position offer with in the oblique consistent sliding tray of fixed roll frame (8) (16), or the axle bed (17) that described shaft of grinding roller (18) arranges by correspondence is snug fit on grinding roller frame (10) annular groove, lower position offer with in the oblique consistent sliding tray of fixed roll frame (8) (16).

6. cross roll waterfall material flour mill according to claim 5, is characterized in that: in the annular groove of described fixed roll frame (8), be provided with along the grinding roller of described oblique promotion shaft of grinding roller (18) or axle bed (17) and push away frame and push away the elastic body of frame along described oblique promotion grinding roller.

7. according to the cross roll waterfall material flour mill described in any one in claim 1～3, it is characterized in that the structure that can make grinding roller (11) have the described oblique free degree is: described grinding roller frame (10) is parallel four-bar linkage, the hinge point difference hinge fixed roll frame (8) that described parallel four-bar linkage is relative and the shaft of grinding roller (18) of grinding roller (11).

8. cross roll waterfall material flour mill according to claim 7, is characterized in that: between described relative hinge point, be provided with along the elastic body of described oblique promotion grinding roller (11).