CN102862311A - Ball press capable of steplessly amplifying linear pressure and method for steplessly amplifying linear pressure - Google Patents

Ball press capable of steplessly amplifying linear pressure and method for steplessly amplifying linear pressure Download PDF

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Publication number
CN102862311A
CN102862311A CN2012103896568A CN201210389656A CN102862311A CN 102862311 A CN102862311 A CN 102862311A CN 2012103896568 A CN2012103896568 A CN 2012103896568A CN 201210389656 A CN201210389656 A CN 201210389656A CN 102862311 A CN102862311 A CN 102862311A
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China
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pressure roller
ball press
pressure
linear pressure
baffle plate
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CN2012103896568A
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Chinese (zh)
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CN102862311B (en
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赵太华
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Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
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Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
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Priority to CN201210389656.8A priority Critical patent/CN102862311B/en
Publication of CN102862311A publication Critical patent/CN102862311A/en
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Publication of CN102862311B publication Critical patent/CN102862311B/en
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Abstract

The invention provides a ball press capable of steplessly amplifying a linear pressure and a method for steplessly amplifying the linear pressure. The linear pressure of the ball press can be steplessly amplified through the following steps: steplessly adjusting the working length of a pressing roller of the ball press through an adjusting unit; and after the pressure stressed on the press roller of the ball press achieves the set maximum value, the linear pressure of the ball press can be steplessly amplified through reducing the working length of the press roller. The ball press capable of steplessly amplifying the linear pressure is low in cost and high-efficiency in installation, can be produced and utilized quickly, and is obvious in effect. According to the method for steplessly amplifying the linear pressure, the linear pressure of the ball press can still be continued to be steplessly amplified when the ball press reaches the maximum pressure set by the device, and the method is practical, feasible, convenient and quick in production or test, thereby having greater popularization and application space.

Description

Ball press that can stepless increase linear pressure and the method for stepless increase linear pressure
Technical field
The present invention relates to the metallurgical production technical field, more particularly, relate to a kind of can stepless increase linear pressure ball press and the method for stepless increase linear pressure.
Background technology
Source pressure according to the ball press pressure roller generally is divided three classes: contract iron formula, spring and fluid pressure type, from the pressure size that provides, fluid pressure type is maximum, spring takes second place, and contract iron formula is minimum, and the ball press of three types all can be adjusted the pressure size within the specific limits.
The balling ratio of the pelletizing of ball press compacting is relevant with factors with intensity, such as the composition of material composition, raw meal particle size, material moisture content, materials from bonding agent and ratio, the rotating speed of pressure roller, the factors such as linear pressure of pressure roller, wherein the linear pressure of pressure roller is one of most important factor.So-called linear pressure, be exactly pressure roller along the pressure on the unit length on the pressure roller axis, the line pressure unit of force is t/cm, also is the suffered pressure on certain-length of the material in the ball-and-socket between the pressure roller.Every kind of material has the best linear pressing force value that is fit to self in the constant situation of other machined parameters, namely under this linear pressure value, can reach best pelletizing balling ratio and intensity; If but other parameter changes, the best linear pressing force value also can change.In general, when certain material not yet reaches the best linear pressing force value in pressure roller, increase within the specific limits linear pressure, can increase the intensity of balling ratio or the pelletizing of material.
But in the actual production of ball press or experiment, have such problem, reach the maximum pressure of apparatus settings when ball press after, also need further to improve the linear pressure of ball press pressure roller, could further improve balling ratio and the pellet strength of ball press.If but only relied on ball press itself, could address this problem.If change the larger ball press of pressure roller pressure, invest larger, in general, the ball press price is first between millions of units at hundreds of thousands, if add the expense of withdrawing from old ball press and new ball press being installed, invest greatlyr, and withdraw from old ball press and the needed time of new ball press is installed also longer, be unfavorable for the high efficiency of production efficiency.
In view of the existence of above-mentioned technical problem, needing badly provides a kind of cost low, efficient and can effectively increase the method and apparatus of ball press linear pressure.
Summary of the invention
For the deficiencies in the prior art, one of purpose of the present invention is to solve the one or more problems that exist in the above-mentioned prior art.
The object of the present invention is to provide a kind ofly after ball press reaches the apparatus settings maximum pressure, can also continue ball press and the control method thereof of stepless its linear pressure of increase.
To achieve these goals, an aspect of of the present present invention provides a kind of ball press that can stepless increase linear pressure, comprise the first pressure roller, the second pressure roller and side plate, the first pressure roller and the second pressure roller arrange in parallel with each other, side plate is arranged at least the place, two ends of the first pressure roller and the second pressure roller and forms charging aperture and the discharging opening of ball press, the first pressure roller and the second pressure roller rotate in opposite directions with working in coordination and material are passed through between the circumferential outer surface of the first pressure roller and the second pressure roller, be provided with on the circumferential outer surface of the first pressure roller and the second pressure roller a plurality of in correspondence with each other half ball-and-socket and the gap between the circumferential outer surface of the first pressure roller and the second pressure roller can regulate, described ball press also comprises regulon, described regulon comprises baffle plate and regulates subelement, baffle plate is arranged on the inboard of side plate, baffle plate is perpendicular to the axial setting of the first pressure roller and the second pressure roller, the circumferential outer surface of the lower edge of baffle plate and the first pressure roller and the second pressure roller near and directly contact, regulate subelement and be used for controlling baffle plate moving axially along the first pressure roller and the second pressure roller.
An embodiment according to ball press that can stepless increase linear pressure of the present invention, an end place and described regulon that described regulon is arranged on the first pressure roller and the second pressure roller at least comprise at least one adjusting subelement, interval 3~5mm between the circumferential outer surface of the lower edge of baffle plate and the first pressure roller and the second pressure roller, described adjusting subelement comprises adjusting nut, adjusting bolt, the first limiting plate and the second limiting plate, having the first through hole and adjusting nut on the side plate is fixed in the first through hole, have the second through hole on the baffle plate, the slightly larger in diameter of the second through hole is positioned at sustained height in the diameter of adjusting bolt and with the first through hole, adjusting bolt screws in the adjusting nut from the outside of side plate and passes the second through hole on the baffle plate, end in adjusting bolt is fixed with the first limiting plate parallel to each other and the second limiting plate, and baffle plate is between the first limiting plate and the second limiting plate.
An embodiment according to ball press that can stepless increase linear pressure of the present invention, described regulon comprises that is regulated a subelement, and described one is regulated subelement above the first pressure roller and the second pressure roller and on the symmetrical plane vertically between the first pressure roller and the second pressure roller.
An embodiment according to ball press that can stepless increase linear pressure of the present invention, described regulon comprises that two are regulated subelements, and described two are regulated subelements and lay respectively at the top of the first pressure roller, the second pressure roller and lay respectively on the axial symmetry plane vertically of the first pressure roller, the second pressure roller.
According to an embodiment of ball press that can stepless increase linear pressure of the present invention, described ball press comprises two regulons, and described two regulons are separately positioned on the place, two ends of the first pressure roller and the second pressure roller.
According to an embodiment of ball press that can stepless increase linear pressure of the present invention, described adjusting subelement also comprises at least one ribs, and described ribs connects adjusting nut and side plate.
According to an embodiment of ball press that can stepless increase linear pressure of the present invention, described the first pressure roller is driven by power unit and radial position is fixed, described the second pressure roller driven by the first pressure roller and radial position adjustable.
According to an embodiment of ball press that can stepless increase linear pressure of the present invention, the gap of then regulating by the radial position of regulating the second pressure roller between the circumferential outer surface of the first pressure roller and the second pressure roller is 0.5~1.5mm.
Another aspect of the present invention provides a kind of method of stepless increase ball press linear pressure, and described method uses above-mentioned ball press that can stepless increase linear pressure to regulate.
An embodiment according to the method for stepless increase ball press linear pressure of the present invention, after the pressure roller pressure of ball press reaches the setting maximum, the baffle plate of the regulon by mobile described ball press that can stepless increase linear pressure and then reduce pressure roller working portion length, thereby stepless increase ball press linear pressure.
The present invention can infinitely improve the pressure roller linear pressure within the specific limits on the basis of existing ball press, produce or experiment in have practicality, the advantage such as feasible, convenient, fast, larger space and the economic benefits promoted the use of arranged.
Description of drawings
By the description that the accompanying drawing below in conjunction with example carries out, above and other purpose of the present invention and characteristics will become apparent, wherein:
Figure 1A is the structure diagram of ball press in the prior art.
Figure 1B is the cutaway view along the A-A line of ball press among Figure 1A.
Fig. 2 A be exemplary embodiment of the present can stepless increase linear pressure the structure diagram of ball press.
Fig. 2 B is the cutaway view along the A-A line of ball press among Fig. 2 A.
Description of reference numerals:
1-baffle plate, 2-side plate, 3-adjusting nut, 4-adjusting bolt, 5-ribs, 6-roller skin, 7-1-the first running roller, 7-2-the second running roller, 8-flat key, 9-power transmission shaft, 10-the first limiting plate, 11-the second limiting plate.
The specific embodiment
Hereinafter, in connection with accompanying drawing exemplary embodiment of the present invention is described in further detail.
Figure 1A is the structure diagram of ball press in the prior art, and Figure 1B is the cutaway view along the A-A line of ball press among Figure 1A.Shown in Figure 1A and Figure 1B, ball press of the prior art, comprise the first pressure roller, the second pressure roller and side plate 2, wherein, roller skin 6, the first running roller 7-1, flat key 8 and power transmission shaft 9 form the first pressure roller, and roller skin 6, the second running roller 7-2, flat key 8 and power transmission shaft 9 form the second pressure roller, and running roller is enclosed within on the power transmission shaft 9, roller skin 6 is enclosed within on the running roller, is respectively arranged with the keyway that matches each other and flat key 8 on power transmission shaft 9 and the running roller and is placed on and plays gearing in the keyway.
The first pressure roller and the second pressure roller arrange in parallel with each other, side plate 2 is arranged at least the place, two ends of the first pressure roller and the second pressure roller and forms charging aperture and the discharging opening of ball press, the side plate 2 that also namely is arranged at least the place, two ends of the first pressure roller and the second pressure roller forms the shell of ball press, material enters ball press from the charging aperture of pressure roller top, after the extruding globulation by the first pressure roller and the second pressure roller, the pelletizing that suppresses falls from the discharging opening of pressure roller below again, preferably, side plate 2 can also be arranged on the first pressure roller and the second pressure roller around and surround the shell of ball press.The first pressure roller and the second pressure roller rotate in opposite directions with working in coordination and material are passed through between the circumferential outer surface of the first pressure roller and the second pressure roller, and also namely the rotation direction of two pressure rollers all is inwardly to rotate simultaneously so that become pelletizing after the material process extruding globulation.In order to make material become pelletizing, be provided with a plurality of half ball-and-sockets in correspondence with each other on the circumferential outer surface of the first pressure roller and the second pressure roller, half ball-and-socket can be processed as marshalling and the suitable shape of size, but is not limited to this; In addition, the gap between the circumferential outer surface of the first pressure roller and the second pressure roller can be regulated, can regulate thus two between the pressure roller pressure so that regulate intensity or the balling ratio of pelletizing.
In general, the power transmission shaft of the first pressure roller is directly driven by power unit by decelerator, and its radial position is fixed, and is initiative compression roller; The second pressure roller is then driven by the frictional force of being transmitted by the material of pressure ball (being preferably granular material) by the first pressure roller, and its radial position is adjustable, is from dynamic pressure roller.Preferably, the gap of then regulating by the radial position of regulating the second pressure roller between the circumferential outer surface of the first pressure roller and the second pressure roller is 0.5~1.5mm, thereby the pressure of control pressure roller is in suitable scope.And, if half ball-and-socket on the first pressure roller is not corresponding with half ball-and-socket position on the second pressure roller, can also it be aligned.
During ball press work, material (generally being the mixed powder of iron ore concentrate powder or fine iron breeze and coal dust) by ball press top the feed bin chute and send into by charging aperture between first pressure roller and the second pressure roller of ball press, two pressure rollers inwardly rotate opposite to each other and the pressure of pressure roller is passed on the material, material is extruded the formation pelletizing between the pressure roller of two rotations, and fall after turning to discharging opening with pressure roller, seen off by belt conveyor again.
But the ball press of prior art can't continue pressure to raise after reaching the maximum pressure value of apparatus settings again, also namely can't further increase the ball press linear pressure.Ball press that can stepless increase linear pressure of the present invention then is to take mechanical means that the ball press of prior art is improved.The computing formula of pressure roller linear pressure is: pressure roller linear pressure=pressure roller pressure/pressure roller working portion length, find out from above formula, reach the maximum of apparatus settings when the pressure roller pressure after, it is one timing of pressure roller pressure, if infinitely reduce pressure roller working portion length, then the pressure roller linear pressure can infinitely increase, and based on this principle, the present invention is intended to by infinitely reducing pressure roller working portion length to realize the purpose of stepless increase ball press linear pressure.Wherein, the step-less adjustment of indication of the present invention refers to after ball press reaches maximum pressure value, regulates within the specific limits the regulative mode of ball press linear pressure without gear ground again.
Particularly, ball press of the present invention is except comprising the parts such as the first above-mentioned pressure roller, the second pressure roller and side plate 2, also comprise regulon, regulon comprises baffle plate 1 and regulates subelement, baffle plate 1 is arranged on the inboard of side plate 2, baffle plate 1 is perpendicular to the axial setting of the first pressure roller and the second pressure roller, the circumferential outer surface of the lower edge of baffle plate 1 and the first pressure roller and the second pressure roller near and directly contact, regulate subelement and be used for controlling baffle plate 1 moving axially along the first pressure roller and the second pressure roller.Namely by being set, baffle plate 1 in ball press, further forms a sub-charging aperture, and by regulating subelement control baffle plate 1 moving of making progress of pressure roller shaft and then reduce pressure roller working portion length, thereby realize the further increase to the ball press linear pressure.Preferably, the length of baffle plate 1 is more than or equal to the diameter sum of two pressure rollers.
Ball press that according to an exemplary embodiment of the present invention can stepless increase linear pressure, an end place and described regulon that described regulon is arranged on the first pressure roller and the second pressure roller at least comprise at least one adjusting subelement, interval 3~5mm can not affect the rotation of pressure roller with the slip that guarantees baffle plate between the circumferential outer surface of the lower edge of baffle plate and the first pressure roller and the second pressure roller, prevents that simultaneously material from entering pressure roller inoperative part by this gap.
Fig. 2 A be exemplary embodiment of the present can stepless increase linear pressure the structure diagram of ball press, Fig. 2 B is the cutaway view along the A-A line of ball press among Fig. 2 A, wherein, Fig. 2 B has omitted side plate 2.Shown in Fig. 2 A and Fig. 2 B, in the present embodiment, described adjusting subelement specifically comprises adjusting nut 3, adjusting bolt 4, the first limiting plate 10 and the second limiting plate 11, having the first through hole and adjusting nut 3 on the side plate 2 is fixed in the first through hole, have the second through hole on the baffle plate 1, the slightly larger in diameter of the second through hole is positioned at sustained height in the diameter of adjusting bolt 4 and with the first through hole, adjusting bolt 4 screws in the adjusting nut 3 from the outside of side plate 2 and passes the second through hole on the baffle plate 1, then adjusting bolt 4 can be rotated in the second through hole, and the end in adjusting bolt 4 is fixed with the first limiting plate 10 parallel to each other and the second limiting plate 11, baffle plate 1 between the first limiting plate 10 and the second limiting plate 11 with the movement of defining baffle 1.The mode of more than fixing particularly, can be the mode that is fixedly connected with of the routines such as welding.In order to strengthen the intensity at place, adjusting nut 3 positions, to regulate subelement and also comprise at least one ribs 5, ribs connects adjusting nut 3 and side plate 2, during enforcement many ribs 5 can be set as required.
When the operator rotated adjusting bolt 4, adjusting bolt 4 was advanced in adjusting nut 3 or is retreated and adjusting bolt 4 is also rotated in the first through hole of baffle plate 1, and the first locating part 10 and the second locating part 11 also rotate thereupon.When adjusting bolt 4 is rotated, also drive baffle plate 1 and advance or retreat along the axis direction of pressure roller, the position of regulating fender 1 infinitely thus, and then infinitely adjust pressure roller working portion length and adjust the ball press linear pressure.
According to another exemplary embodiment of the present invention, described regulon comprises that is regulated a subelement, regulate subelement above the first pressure roller and the second pressure roller and on the symmetrical plane vertically between the first pressure roller and the second pressure roller for this, namely regulate the subelement realization to the fine adjustment of the position of baffle plate 1 by one.But in view of a strength of adjustment of regulating subelement limited, in Fig. 2 B, present embodiment can stepless increase linear pressure the regulon of ball press comprise that two are regulated subelements, and regulating subelement for two lays respectively at the top of the first pressure roller, the second pressure roller and lays respectively on the axial symmetry plane vertically of the first pressure roller, the second pressure roller, can regulate simultaneously thus two positions of regulating subelement and then control baffle plate 1, strength of adjustment is stronger and more stable, but need guarantee that when regulating two are regulated the synchronous of subelement, to guarantee the perpendicularity of baffle plate 1.
In Fig. 2 B, present embodiment can stepless increase linear pressure ball press specifically comprise two regulons, and two regulons are separately positioned on the place, two ends of the first pressure roller and the second pressure roller, then ball press comprises two baffle plates 1, can adjust pressure roller working portion length by the position of regulating two baffle plates 1 and then the distance of regulating between two baffle plates 1, such set-up mode can further enlarge the scope of adjusting, so that the ball press linear pressure further improves, and can guarantee the stressed even of ball press pressure roller, so that material all is pressed balling-up via the stage casing of pressure roller, technique effect is better than only arranging the embodiment of the regulon of a side.Certainly, the regulon of each side also can comprise one or more adjusting subelement, specifically can arrange according to actual conditions.
Therefore, when using ball press that can stepless increase linear pressure of the present invention, material by a side baffle plate 1 and the side plate 2 of opposite side or baffle plate 1 between the sub-charging aperture that forms fall and enter the working portion of two pressure rollers, under the best ball press linear pressure effect that arranges, be pressed into pelletizing and fall, be conducive to guarantee balling ratio and pellet strength.
In another exemplary embodiment of the present invention, described adjusting subelement can also be arranged on the slide rail on the ball press shell and be fixed on moving handle on the baffle plate 1, the operator can drive baffle plate 1 along the moving axially of pressure roller by the movement of moving handle in slide rail, but this kind embodiment is not as the easy to process and convenient operation of exemplary embodiment of the present.Certainly, described adjusting subelement can also be the structure of other form, and only otherwise affect pressure roller rotates and can control baffle plate 1 along the moving axially of pressure roller, realization is infinitely regulated pressure roller working portion length and got final product then.
Then be to use above-mentioned ball press that can stepless increase linear pressure to regulate according to the method for stepless increase ball press linear pressure of the present invention.Particularly, in an embodiment of the method for stepless increase ball press linear pressure of the present invention, after the pressure roller pressure of ball press reaches the setting maximum, the baffle plate of the regulon by mobile ball press that can stepless increase linear pressure of the present invention and then reduce pressure roller working portion length, thereby stepless increase ball press linear pressure.
But the present invention also can bring a negative effect, and namely pressure roller working portion length reduces, and can reduce certain output.Therefore, the present invention preferably is applicable to two kinds of occasions: 1, ball press output has affluence but the not enough occasion that needs raising of linear pressure; 2, output is not had too large requirement but need in a big way, grope to be fit to the test occasion of the linear pressure of certain material.
In sum, of the present invention can stepless increase linear pressure ball press with low cost and install efficient, the processing mounting cost within 1000 yuan and the set-up time can be controlled within one day, realization that can be very fast produce utilize and effect remarkable.The method of stepless increase ball press linear pressure of the present invention is when ball press reaches the maximum pressure of apparatus settings, still can continue stepless increase ball press linear pressure, produce or experiment in have practicality, the advantage such as feasible, convenient, fast, larger popularization and application space is arranged.
Although the above illustrates and has described the present invention in conjunction with the embodiments, but what those skilled in the art will appreciate that is, in the situation that does not break away from the spirit and scope of the present invention that limit such as claims, can make the various changes on form and the details here.

Claims (10)

  1. One kind can stepless increase linear pressure ball press, comprise the first pressure roller, the second pressure roller and side plate, the first pressure roller and the second pressure roller arrange in parallel with each other, side plate is arranged at least the place, two ends of the first pressure roller and the second pressure roller and forms charging aperture and the discharging opening of ball press, the first pressure roller and the second pressure roller rotate in opposite directions with working in coordination and material are passed through between the circumferential outer surface of the first pressure roller and the second pressure roller, be provided with on the circumferential outer surface of the first pressure roller and the second pressure roller a plurality of in correspondence with each other half ball-and-socket and the gap between the circumferential outer surface of the first pressure roller and the second pressure roller can regulate, it is characterized in that
    Described ball press also comprises regulon, described regulon comprises baffle plate and regulates subelement, baffle plate is arranged on the inboard of side plate, baffle plate is perpendicular to the axial setting of the first pressure roller and the second pressure roller, the circumferential outer surface of the lower edge of baffle plate and the first pressure roller and the second pressure roller near and directly contact, regulate subelement and be used for controlling baffle plate moving axially along the first pressure roller and the second pressure roller.
  2. 2. ball press that can stepless increase linear pressure according to claim 1, it is characterized in that, an end place and described regulon that described regulon is arranged on the first pressure roller and the second pressure roller at least comprise at least one adjusting subelement, interval 3~5mm between the circumferential outer surface of the lower edge of baffle plate and the first pressure roller and the second pressure roller, described adjusting subelement comprises adjusting nut, adjusting bolt, the first limiting plate and the second limiting plate, having the first through hole and adjusting nut on the side plate is fixed in the first through hole, have the second through hole on the baffle plate, the slightly larger in diameter of the second through hole is positioned at sustained height in the diameter of adjusting bolt and with the first through hole, adjusting bolt screws in the adjusting nut from the outside of side plate and passes the second through hole on the baffle plate, end in adjusting bolt is fixed with the first limiting plate parallel to each other and the second limiting plate, and baffle plate is between the first limiting plate and the second limiting plate.
  3. 3. ball press that can stepless increase linear pressure according to claim 2, it is characterized in that, described regulon comprises that is regulated a subelement, and described one is regulated subelement above the first pressure roller and the second pressure roller and on the symmetrical plane vertically between the first pressure roller and the second pressure roller.
  4. 4. ball press that can stepless increase linear pressure according to claim 2, it is characterized in that, described regulon comprises that two are regulated subelements, and described two are regulated subelements and lay respectively at the top of the first pressure roller, the second pressure roller and lay respectively on the axial symmetry plane vertically of the first pressure roller, the second pressure roller.
  5. 5. ball press that can stepless increase linear pressure according to claim 2 is characterized in that described ball press comprises two regulons, and described two regulons are separately positioned on the place, two ends of the first pressure roller and the second pressure roller.
  6. 6. ball press that can stepless increase linear pressure according to claim 2 is characterized in that described adjusting subelement also comprises at least one ribs, and described ribs connects adjusting nut and side plate.
  7. 7. ball press that can stepless increase linear pressure according to claim 1 is characterized in that, described the first pressure roller is driven by power unit and radial position is fixed, described the second pressure roller driven by the first pressure roller and radial position adjustable.
  8. 8. ball press that can stepless increase linear pressure according to claim 7 is characterized in that, the gap of then regulating by the radial position of regulating the second pressure roller between the circumferential outer surface of the first pressure roller and the second pressure roller is 0.5~1.5mm.
  9. 9. the method for a stepless increase ball press linear pressure is characterized in that, described method right to use requires in 1 to 8 each described ball press that can stepless increase linear pressure to regulate.
  10. 10. the method for stepless increase ball press linear pressure according to claim 9, it is characterized in that, after the pressure roller pressure of ball press reaches the setting maximum, the baffle plate of the regulon by mobile described ball press that can stepless increase linear pressure and then reduce pressure roller working portion length, thereby stepless increase ball press linear pressure.
CN201210389656.8A 2012-10-15 2012-10-15 Ball press capable of steplessly amplifying linear pressure and method for steplessly amplifying linear pressure Active CN102862311B (en)

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CN201210389656.8A CN102862311B (en) 2012-10-15 2012-10-15 Ball press capable of steplessly amplifying linear pressure and method for steplessly amplifying linear pressure

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CN102862311B CN102862311B (en) 2015-01-14

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550205A (en) * 1968-11-15 1970-12-29 United States Steel Corp Cheek plate for briquetting apparatus
US4838494A (en) * 1987-02-18 1989-06-13 Klockner-Humboldt-Deutz Aktiengesellschaft Roller mill, particularly roll press or roll jaw crusher
JPH06198499A (en) * 1993-01-07 1994-07-19 Ishikawajima Harima Heavy Ind Co Ltd Powder rolling mill
CN201445971U (en) * 2009-06-18 2010-05-05 陆锁根 Full sealed double-roll pulverizing machine
CN202428695U (en) * 2011-12-20 2012-09-12 攀枝花钢城集团有限公司 Feeding device of ball pressing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550205A (en) * 1968-11-15 1970-12-29 United States Steel Corp Cheek plate for briquetting apparatus
US4838494A (en) * 1987-02-18 1989-06-13 Klockner-Humboldt-Deutz Aktiengesellschaft Roller mill, particularly roll press or roll jaw crusher
JPH06198499A (en) * 1993-01-07 1994-07-19 Ishikawajima Harima Heavy Ind Co Ltd Powder rolling mill
CN201445971U (en) * 2009-06-18 2010-05-05 陆锁根 Full sealed double-roll pulverizing machine
CN202428695U (en) * 2011-12-20 2012-09-12 攀枝花钢城集团有限公司 Feeding device of ball pressing machine

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