CN202762487U

CN202762487U - Swing arm type powerful pulverizing machine

Info

Publication number: CN202762487U
Application number: CN 201220372157
Authority: CN
Inventors: 肖先成
Original assignee: GUILIN SHENGXING MACHINERY CO Ltd
Current assignee: GUILIN SHENGXING MACHINERY CO Ltd
Priority date: 2012-07-30
Filing date: 2012-07-30
Publication date: 2013-03-06
Anticipated expiration: 2022-07-30

Abstract

The utility model discloses a swing arm type powerful pulverizing machine. A pulverizing ring and a pulverizing roller device of a pulverizing main unit are disposed in a main unit casing, and the pulverizing roller device is mounted on a main unit spindle and comprises a pulverizing roller frame, a swing arm, a pulverizing roller, a pulverizing roller shaft, a pulverizing roller shaft push frame and a thrust mechanism. The inner end of the swing arm is hinged in an annular groove of the pulverizing roller frame, the outer end of the swing arm extends out of the pulverizing roller frame, the pulverizing roller shaft is arranged at an annular groove opening at an extension end of the swing arm, the upper and lower ends of the pulverizing roller shaft are slidably matched in radial grooves at the top and the bottom of the annular groove, the pulverizing roller shaft push frame which pushes the pulverizing roller shaft is slidably arranged in the annular groove of the swing arm, the thrust mechanism which applies radial thrust on the pulverizing roller shaft push frame is arranged at the bottom of the swing arm annular groove, and the pulverizing roller is arranged in the pulverizing roller shaft push frame and mounted on the pulverizing roller shaft through a bearing. Extra thrust besides centrifugal force is applied to the pulverizing roller by the thrust mechanism of the pulverizing main unit, pulverizing force applied to materials by the pulverizing roller is increased, and accordingly better crushing effect and yield increase can be achieved.

Description

The powerful flour mill of swing arm

(1) technical field:

The utility model relates to a kind of powder process equipment, is specially the powerful flour mill of a kind of swing arm.

(2) background technology:

Flour mill is that China is used for the common equipment that breeze is pulverized, and uses very extensive.

Powder processing is divided into meal, fine powder and superfine powder processing, all can adopt Raymond machine to machine such as the processing of 60 orders or 400 purpose meal or fine powder, but collect the powder (500 orders～3000 orders even higher) of higher order number, if also adopt Raymond machine processing, then the outstanding problems such as the process time of Raymond machine, efficient, vibrations and noise are difficult to solve.If therefore want to obtain the micro mist of thinner or ultra-fine order number, then need the flour mill of other structural shape namely to encircle the roller mill.

No matter be Raymond machine or ring roller mill, the Cracking Mechanism of its abrasive dust main frame is that the grinding roller of Burnisher apparatus and bull ring roll broken material mutually, crushing efficiency depends on the active force between grinding roller and the bull ring, and the active force between grinding roller and the bull ring to be rotation, the grinding roller that relies on Burnisher apparatus produce centrifugal force and obtain, therefore improving the centrifugal force of grinding roller and then increase grinding pressure, is the important measures that further improve production capacity.

The simple way that improves grinding roller centrifugal force is to improve the rotating speed of Burnisher apparatus or increase the grinding roller quality, and for the abrasive dust main frame of the certain Raymond machine of model specification or ring roller mill, its structural design has been taken into account the design considerations such as the speed of mainshaft and grinding roller quality, the change of any one design considerations, pulling one hair and move the whole body in the capital, certainly will cause the redesign of Raymond machine or ring roller mill abrasive dust host machine integral structure.

(3) utility model content:

For the weak point of traditional Raymond machine or ring roller mill abrasive dust main frame, the purpose of this utility model is to have designed a kind of powerful flour mill of swing arm that improves the grinding roller grinding pressure and then enhance production capacities by improving Burnisher apparatus.

Can realize the powerful flour mill of swing arm of above-mentioned purpose, comprise the abrasive dust main frame, the Burnisher apparatus of described abrasive dust main frame and bull ring are located in the host housing, described Burnisher apparatus is installed on the main frame main shaft, difference is that described Burnisher apparatus comprises that grinding roller frame, swing arm, grinding roller, shaft of grinding roller, shaft of grinding roller push away frame and thrust mechanism, dress is cut with scissors in the inner of described swing arm in grinding roller frame annular groove, the grinding roller frame is stretched out in the outer end of swing arm; Described shaft of grinding roller is located at swing arm outer end annular groove mouth, the upper and lower end of shaft of grinding roller is snug fit in the radial slot of annular groove top and bottom offering, the shaft of grinding roller that promotes shaft of grinding roller pushes away the frame slip and is located in the swing arm annular groove, and the thrust mechanism that shaft of grinding roller is pushed away frame generation radial thrust is located at swing arm annular groove bottom; Described grinding roller is located at shaft of grinding roller and is pushed away in the frame and be installed on the shaft of grinding roller by bearing.

Operation principle of the present utility model is to increase grinding roller centrifugal force and inertia force by swing arm, and utilize thrust mechanism to apply an extra radial pressure to grinding roller, the centrifugal force stack of this radial pressure and grinding roller self, produce larger grinding pressure and act on the material, thereby obtain the output of larger crushing efficiency and Geng Gao.

Described thrust mechanism can adopt elastic body or adopt hydraulic mechanism or adopt air pressure mechanism.

Described thrust mechanism can also adopt the combining structure of elastic body and hydraulic mechanism or adopt the combining structure of elastic body and air pressure mechanism.

Described grinding roller can be made as one deck, be to improve abrasive dust efficient, and described grinding roller can be made as two-layer or multilayer, and is corresponding, offers on the described bull ring and one deck, one, the two or more pieces mill road that two-layer or the multilayer grinding roller is corresponding.

Described grinding roller routine is made as two-layer, and the ground floor grinding roller is installed on the grinding roller frame, and second layer grinding roller is installed on lower grinding roller frame; Article one, the mill road is opened in bull ring, and second mill road is opened in lower bull ring.

Because swing arm and grinding roller frame are the hinge assembling structure, described Burnisher apparatus is in the rotation process of following the main frame main shaft, owing to rolling resistance, described swing arm meeting with radially produce a drift angle, described drift angle direction and main frame main shaft direction of rotation, for the grinding roller grinding pressure of guarantee effect on bull ring do not disperse, swing arm and drift angle radially should be controlled at greater than 0 ° less than in 10 ° the scope.

Advantage of the present utility model:

1, the abrasive dust main frame of the powerful flour mill of the utility model swing arm adopts thrust mechanism that grinding roller is applied extra-push model except centrifugal force, and the increase grinding roller is to the grinding pressure of material, thereby can obtain the further raising of better crushing effect and output.

2, the utility model is just transformed Burnisher apparatus, and the agent structure of original Raymond machine or ring roller mill abrasive dust main frame does not have any change, does not have the impact on the mechanical performance of abrasive dust main frame, but has obtained obvious broken usefulness.

(4) description of drawings:

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

Fig. 2 is the structural representation of Burnisher apparatus in Fig. 1 embodiment.

Figure number sign: 1, host housing; 2, main frame main shaft; 3, main machine base; 4, lower bearing position; 5, negative pressure gas port; 6, main frame loam cake; 7, upper bearing (metal) position; 8, swing arm; 9, grinding roller; 10, upper grinding roller frame; 11, lower grinding roller frame; 12, bull ring; 13, pivot pin; 14, shaft of grinding roller; 15, shaft of grinding roller pushes away frame; 16, thrust mechanism; 17, radial slot; 18, bearing.

(5) specific embodiment:

Below in conjunction with accompanying drawing the technical solution of the utility model is described further:

The powerful flour mill of the utility model swing arm is take ring roller mill as example, its abrasive dust main frame comprises host housing 1, main frame loam cake 6, main machine base 3, main frame main shaft 2, Burnisher apparatus and bull ring 12, described host housing 1 upper, under shed is connected and installed with main frame loam cake 6 and main machine base 3 respectively by flange, described main frame main shaft 2 vertically places on the central axis of host housing 1, main frame main shaft 2 upper, lower two ends are by upper, lower bearing position 7,4 support respectively installation, on, lower bearing position 7,4 are located at respectively the center of main frame loam cake 6 and main machine base 3, described Burnisher apparatus is installed on the main frame main shaft 2, fixed installation after the outer conical surface of the bull ring 12 corresponding with the Burnisher apparatus position cooperates with the internal conical surface of host housing 1, as shown in Figure 1.

The charging aperture of described abrasive dust main frame is opened on the main frame loam cake 6, and charging aperture splits 7 both sides, upper bearing (metal) position, and two charging apertures are communicated in the batch mixing bucket of abrasive dust main frame top by feed pipe; The negative pressure gas port 5 of described abrasive dust main frame is that discharging opening is opened on main machine base 3 sides, and negative pressure gas port 5 is communicated with carrier pipe, and described carrier pipe is communicated with the outer grader of abrasive dust main frame; The lower end of described main frame main shaft 2 and connects drive motors by reductor outside main machine base 3 is stretched out in lower bearing position 4, as shown in Figure 1.

Described Burnisher apparatus pushes away frame 15 by grinding roller frame, swing arm 8, grinding roller 9, shaft of grinding roller 14, shaft of grinding roller and thrust mechanism 16 consists of, described grinding roller frame is divided into grinding roller frame 10 and lower grinding roller frame 11, the grinding roller 9 that the ground floor even circumferential distributes is installed in the annular groove of upper grinding roller frame 10, the grinding roller 9 that second layer even circumferential distributes is installed in the annular groove of lower grinding roller frame 11; Corresponding with grinding roller 9 positions, on bull ring 12, offer article one Mo Dao and cooperate with the ground floor grinding roller 9 of upper grinding roller frame 10, offer second Mo Dao and cooperate with the second layer grinding roller 9 of lower grinding roller frame 11, as shown in Figure 1 and Figure 2.

Corresponding to described each grinding roller 9, all need dispose swing arm 8, shaft of grinding roller 14, shaft of grinding roller and push away frame 15 and thrust mechanism 16 each.The upper and lower layer of described swing arm 8(structure) the inner is located in the grinding roller frame annular groove, and is hinged (can realize that swing arm 8 is around the swing of pivot pin 13) by vertical pivot pin 13 and grinding roller frame, and the grinding roller frame is stretched out in the outer end of swing arm 8; Described shaft of grinding roller 14 is vertical at the annular groove mouth of swing arm 8 overhanging ends, and the upper and lower end of shaft of grinding roller 14 is snug fit in the radial slot 17 of offering swing arm 8 the upper and lower; Described thrust mechanism 16 is located at swing arm 8 annular grooves bottom, between thrust mechanism 16 and shaft of grinding roller 14, be arranged at the shaft of grinding roller that is slidingly matched in swing arm 8 annular grooves and push away frame 15, shaft of grinding roller 14 places shaft of grinding roller to push away in the horizontal plate body front end of the upper and lower level prong of frame 15, thrust mechanism 16 acts on shaft of grinding roller and pushes away on the vertical vertical plate body in frame 15 rear ends, described grinding roller 9 is located at shaft of grinding roller and is pushed away in the upper and lower plate body of frame 15 and by bearing 18 and be installed on the shaft of grinding roller 14, as shown in Figure 2.

Described thrust mechanism 16 adopts Compress Spring, as shown in Figure 2.

Need to determine the position of radial slot 17 in swing arm 8 by structural design, in the Burnisher apparatus rotation process, make swing arm 8 with radially produce one greater than 0 ° less than 10 ° drift angle, the direction of rotation of described drift angle direction and main frame main shaft 2.

The course of work of the present utility model:

1, electric motor starting, main shaft 2 rotarily drive the grinding roller frame and rotate, and Compress Spring is radially released shaft of grinding roller 14 together with grinding roller 9, grinding roller 9 is pressed on the bull ring 12 to roll, material is rolled fragmentation, roll in the process, swing arm 8 and the drift angle that radially forms greater than 0 ° less than 10 °.

2, particle is entered the epicoele of abrasive dust main frame by main frame loam cake 6 by feed pipe from the batch mixing bucket.

3, particle is after article one and the road grinding of second mill of ground floor and second layer grinding roller 9 and bull ring 12, and fines falls into the cavity of resorption of abrasive dust main frame.

4, system's negative pressure is carried out classification by carrier pipe with the grader that fines is delivered to outside the abrasive dust main frame, and the remaining meal of classification returns the batch mixing bucket by the feed back pipe and participates in grinding next time.

Claims

1. the powerful flour mill of swing arm, comprise the abrasive dust main frame, the Burnisher apparatus of described abrasive dust main frame and bull ring (12) are located in the host housing (1), described Burnisher apparatus is installed on the main frame main shaft (2), it is characterized in that: described Burnisher apparatus comprises that grinding roller frame, swing arm (8), grinding roller (9), shaft of grinding roller (14), shaft of grinding roller push away frame (15) and thrust mechanism (16), dress is cut with scissors in the inner of described swing arm (8) in grinding roller frame annular groove, the grinding roller frame is stretched out in the outer end of swing arm (8); Described shaft of grinding roller (14) is located at the annular groove mouth of swing arm (8) external part, the upper and lower end of shaft of grinding roller (14) is snug fit in the radial slot (17) of annular groove top and bottom offering, the shaft of grinding roller that promotes shaft of grinding roller (14) pushes away frame (15) and is located in swing arm (8) annular groove, and the thrust mechanism (16) that shaft of grinding roller is pushed away frame (15) generation radial thrust is located at swing arm (8) annular groove bottom; Described grinding roller (9) is located at shaft of grinding roller and is pushed away in the frame (15) and be installed on the shaft of grinding roller (14) by bearing (18).

2. the powerful flour mill of swing arm according to claim 1 is characterized in that: described thrust mechanism (16) is for elastic body or for hydraulic mechanism or be air pressure mechanism.

3. the powerful flour mill of swing arm according to claim 1 is characterized in that: described thrust mechanism (16) is for the combining structure of elastic body and hydraulic mechanism or be the combining structure of elastic body and air pressure mechanism.

4. the powerful flour mill of the described swing arm of any one according to claim 1～3, it is characterized in that: described grinding roller (9) is one deck, two-layer or multilayer, offers with one deck on the described bull ring (12), two-layer or multilayer grinding roller (9) is corresponding, and one, two or more pieces grind the road.

5. the powerful flour mill of swing arm according to claim 4, it is characterized in that: described grinding roller (9) is for two-layer, and ground floor grinding roller (9) is installed on grinding roller frame (10), and second layer grinding roller (9) is installed on lower grinding roller frame (11).

6. the powerful flour mill of the described swing arm of any one according to claim 1～3, it is characterized in that: described swing arm (8) and radially drift angle are controlled at greater than 0 ° less than in 10 ° the scope, the direction of rotation of described drift angle direction and main frame main shaft (2).