CN203648631U

CN203648631U - Eccentric type main structure for roller mill

Info

Publication number: CN203648631U
Application number: CN201420012436.8U
Authority: CN
Inventors: 宁晋
Original assignee: ZHENGZHOU VIPEAK HEAVY INDUSTRY MACHINERY Co Ltd
Current assignee: Henan Wei Ke heavy industry Machinery Co., Ltd.
Priority date: 2014-01-09
Filing date: 2014-01-09
Publication date: 2014-06-18
Anticipated expiration: 2024-01-09

Abstract

The utility model discloses an eccentric type main structure for a roller mill. The eccentric type main structure comprises a scraper knife holder disc, a milling ring, a milling roller and a power input shaft, wherein the milling ring is fixed on a roller mill base around the scraper knife holder disc, and the milling roller and the power input shaft are in rolling fit with the inner ring surface of the milling ring; the power input shaft is vertically upward connected with a central shaft hole of the scraper knife holder disc through a driving component in a driving manner; the milling roller has an eccentric roller structure consisting of an eccentric wheel, an eccentric shaft or a bent axle; the milling roller is arranged on the upper disc surface of the scraper knife holder disc through a driving mechanism. The eccentric type main structure has the advantages that the power input shaft is vertically upward connected with the central shaft hole of the scraper knife holder disc through the driving component in a driving manner, therefore, the space positions occupied by the supporting shaft sleeve B and the power input shaft C in the prior art can be saved, so that the effective volume of the roller mill under the same diameter of the milling ring can be expanded, and further the diameter of the milling roller is larger and the height of the milling roller is greater so as to achieve the purposes of increasing the milling pressure, the rotating inertia and the rated output of the milling roller. In addition, the main structure of the roller mill can be simpler.

Description

For the centering type main structure of roller mill

Technical field

The utility model relates to roller mill main structure, especially relates to the centering type main structure for roller mill.

Background technology

At present, existing vertical roll grinder main structure is as Fig. 1-1, Fig. 1-2, shown in Fig. 2-1, Fig. 2-2, comprise perching knife attic base A, be fixed on vertically upward the support sleeve B of perching knife attic base A center position, run through the power input shaft C of perching knife attic base A and support sleeve B from bottom to top, be horizontally fixed on the suspension bracket D on power input shaft C and support sleeve B top, be fixed on the bull ring E in frame around perching knife attic base A, form with the roll grinding roller assembly F that coordinates of bull ring E inner ring surface.When roller mill work, grinding roller assembly F presses to bull ring E inner ring surface under the effect of centrifugal force by fork G.Grinding roller assembly F is fixedly connected with suspension bracket D by fork G, and its type of attachment has two kinds, and Fig. 1 shows fork G and is hinged on vertically downward the structure on suspension bracket D horizontal axis tam; Fig. 2-1, Fig. 2-2 show fork G horizontally hinged on suspension bracket the structure of D.When work, under power source drives, power input shaft C drives suspension bracket D, support sleeve B, perching knife attic base A and grinding roller assembly F around roller mill center rotating, realizes the roller H of grinding roller assembly F along bull ring E inner ring surface rolling movement.The deficiency that above-mentioned prior art exists is: 1, owing to being subject to the restriction of support sleeve B and power input shaft C locus, the roller H maximum gauge of grinding roller assembly F is also restricted, thereby has reduced the rated output of roller mill.2, power input ultromotivity power shaft C, suspension bracket D, fork G finally export to grinding roller assembly F, make power chain longer, cause the rigidity of fork G poor, easily cause and vibrations cause equipment failure rate high in work, have increased maintenance cost.

Summary of the invention

The utility model object is to provide a kind of centering type main structure for roller mill.

For achieving the above object, the utility model is taked following technical proposals:

Centering type main structure for roller mill described in the utility model, comprises perching knife attic base, is fixed on the bull ring on roller mill support around described perching knife attic base, with described bull ring inner ring surface the roll grinding roller and the power input shaft that coordinate; Described power input shaft is in transmission connection with shovel seat disk center axis hole vertically upward by drive disk assembly; Described grinding roller is the eccentric roller structure being made up of eccentric wheel, eccentric shaft or bent axle; Described grinding roller is arranged on the upper disk surface of perching knife attic base by transmission mechanism.

Described eccentric roller is eccentric wheel; Described transmission mechanism is the positioning disk that is fixed on vertically upward at least one power transmission shaft of described perching knife attic base upper disk surface and is fixed on described at least one power transmission shaft top; Described eccentric wheel rolls and is sleeved on each power transmission shaft.

Described eccentric roller is eccentric wheel; Described power input shaft is in transmission connection by expansion sleeve and shovel seat disk center axis hole, and power input shaft extends upwardly to described bull ring inner chamber, and described eccentric wheel is contained on power input shaft by key adapter sleeve.

Described eccentric wheel is three, and space is contained on described power input shaft by key adapter sleeve from bottom to top, the 120 degree settings that are radially staggered of described three eccentric eccentric directions.

The utility model advantage is described power input shaft to be in transmission connection with shovel seat disk center axis hole vertically upward by drive disk assembly, therefore support sleeve B and the occupied locus of power input shaft C in prior art have been saved as shown in Fig. 1-1, Fig. 2-1, thereby the dischargeable capacity expanded of roller mill under identical bull ring diameter condition, grinding roller diameter can be done like this more greatly, highly higher, reach and improve grinding roller grinding pressure, rotary inertia, rated output object.Simultaneously, owing to adopting said structure, make described grinding roller to be arranged to eccentric wheel, eccentric shaft or crankshaft structure, this has not only cancelled grinding roller in prior art and need rolled and coordinate with bull ring inner ring surface by fork, its essence is reduced from power input shaft to grinding roller between chain sub-assembly, greatly improve rigidity and the running stability of system, made the main structure of roller mill simpler.

Brief description of the drawings

Fig. 1-1st, the structure of existing vertical roll grinder main structure (fork G is hinged on suspension bracket D horizontal axis tam vertically downward).

Fig. 1-2 is the plan structure schematic diagram of Fig. 1-1.

Fig. 2-1st, the structure of existing vertical roll grinder main structure (fork G horizontally hinged on suspension bracket D).

Fig. 2-2nd, the plan structure schematic diagram of Fig. 2-1.

Fig. 3-1st, the structural representation of the utility model embodiment 1.

Fig. 3-2nd, structural representation is partly cutd open in overlooking of Fig. 3-1.

Fig. 3-3rd, the left TV structure schematic diagram of Fig. 3-1.

Fig. 4-1st, the structural representation of the utility model embodiment 2.

Fig. 4-2nd, the plan structure schematic diagram of Fig. 4-1.

Fig. 5 is that grinding roller described in the utility model is eccentric structural representation.

Fig. 6 is that grinding roller described in the utility model is the structural representation of eccentric shaft.

Fig. 7 is that grinding roller described in the utility model is the structural representation of bent axle.

Detailed description of the invention

Embodiment 1:

As shown in Fig. 3-1,3-2,3-3, centering type main structure for roller mill described in the utility model, comprise perching knife attic base 1, be fixed on the bull ring 3 on roller mill support 2 around described perching knife attic base 1, with described bull ring 3 inner ring surfaces the roll grinding roller and the power input shaft 4 that coordinate; Described power input shaft 4 is in transmission connection with perching knife attic base 1 central shaft hole vertically upward by expansion sleeve; Described grinding roller is the eccentric roller structure for being made up of eccentric wheel 5 as shown in Figure 5; Described grinding roller is arranged on the upper disk surface of perching knife attic base 1 by transmission mechanism.Described transmission mechanism is uniform two power transmission shafts that are fixed on described perching knife attic base 1 upper disk surface 8 and be fixed on the positioning disk 9 on described two power transmission shaft 8 tops vertically upward; Described eccentric wheel 5 rolls and is sleeved on each power transmission shaft 8.

Embodiment 2:

As shown in Fig. 4-1,4-2,4-3, centering type main structure for roller mill described in the utility model, comprise perching knife attic base 1, be fixed on the bull ring 3 on roller mill support 2 around described perching knife attic base 1, with described bull ring 3 inner ring surfaces the roll grinding roller and the power input shaft 4 that coordinate; Described power input shaft 4 is in transmission connection with perching knife attic base 2 central shaft holes vertically upward by expansion sleeve; Described grinding roller is the eccentric roller structure for being made up of eccentric wheel 5 as shown in Figure 5; Described power input shaft 4 extends upwardly to described bull ring 3 inner chambers, and described eccentric wheel 5 is three, and space is contained on described power input shaft 4 by key adapter sleeve from bottom to top, the 120 degree settings that are radially staggered of the eccentric direction of described three eccentric wheels 5.

Claims

1. for a centering type main structure for roller mill, comprise perching knife attic base (1), be fixed on the bull ring (3) on roller mill support (2) around described perching knife attic base (1), with described bull ring (3) inner ring surface the roll grinding roller and the power input shaft (4) that coordinate; It is characterized in that: described power input shaft (4) is in transmission connection with perching knife attic base (1) central shaft hole vertically upward by drive disk assembly; Described grinding roller is the eccentric roller structure being made up of eccentric wheel (5), eccentric shaft (6) or bent axle (7); Described grinding roller is arranged on the upper disk surface of perching knife attic base (1) by transmission mechanism.

2. according to claim 1 for the centering type main structure of roller mill, it is characterized in that: described eccentric roller is eccentric wheel (5); Described transmission mechanism is the positioning disk (9) that is fixed at least one power transmission shaft (8) of described perching knife attic base (1) upper disk surface vertically upward and is fixed on described at least one power transmission shaft (8) top; Described eccentric wheel (5) rolls and is sleeved on each power transmission shaft (8).

3. according to claim 1 for the centering type main structure of roller mill, it is characterized in that: described eccentric roller is eccentric wheel (5); Described power input shaft (4) is in transmission connection by expansion sleeve and perching knife attic base (1) central shaft hole, and power input shaft (4) extends upwardly to described bull ring (3) inner chamber, and described eccentric wheel (5) is contained on power input shaft (4) by key adapter sleeve.

4. according to claim 3 for the centering type main structure of roller mill, it is characterized in that: described eccentric wheel (5) is three, to be contained in described power input shaft (4) by key adapter sleeve upper in space from bottom to top, the 120 degree settings that are radially staggered of the eccentric direction of described three eccentric wheels (5).