CN103721783B - A kind of without case type pair roller extruder - Google Patents
A kind of without case type pair roller extruder Download PDFInfo
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- CN103721783B CN103721783B CN201410010832.1A CN201410010832A CN103721783B CN 103721783 B CN103721783 B CN 103721783B CN 201410010832 A CN201410010832 A CN 201410010832A CN 103721783 B CN103721783 B CN 103721783B
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- compression roller
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Abstract
A kind of without case type pair roller extruder, the first compression roller arranged by pedestal, piston-type hydro compressing cylinder, pair roller and the second compression roller are formed, the bottom at the first compression roller and the second compression roller two ends is all rotationally connected by rotating pin and pedestal, first compression roller is all strained and fixed by two piston-type hydro compressing cylinders of identical set-up mode with the top at the second compression roller two ends, the bottom at the first compression roller or the second compression roller two ends is provided with steady pin and rotates to prevent this compression roller.Present invention omits cabinet housing and optimize the structure of bearing block and the set-up mode of compression roller, the weight of equipment is made to obtain obvious reduction, appearance and size obviously reduces, thus saved the space of user installation, facilitate the installation of equipment, debugging and maintenance work, for user has saved investment, operating cost.
Description
Technical field
The present invention relates to the pair roller extruder adopting pair roller extruding, pulverize field and the extruded field of pair roller for the mineral bed of material, specifically a kind of frame and bearing block be integrated, without independent machine support body without case type pair roller extruder.
Background technology
Pair roller extruder structural design aspect is incomplete same both at home and abroad at present,, with regard to its contexture, be but substantially identical: namely by compositions (as shown in Figure 4) such as feed arrangement, rack, fixed press roller, movable compression roller, transmission system, hydraulic system, lubricating system and electric control systems.
Feed arrangement controls the inventory entering pair roller extruder, ordinary circumstance, and feed arrangement is all have adjustability, can control according to squeezing effect to carrying out doses, ensures that supplied materials does not produce the compression roller that enters leaked outside as far as possible and extrudes simultaneously.
The related components such as feed arrangement, fixed press roller, movable compression roller, hydraulic jack, as the frame supported of complete machine, form overall by frame.Frame positions compression roller, prevents compression roller from producing obvious axial float.Meanwhile, from the reaction force of material in the work of frame balance compression roller, ensure that the operating pressure of pair roller extruder is cancelled out each other at device interior.
Fixed press roller, axially and radial direction be all fixing, match pressing materials with movable compression roller.
Movable compression roller, axial location, radial direction can move horizontally, and in the course of the work, according to supplied materials situation and operating pressure setting, will move horizontally at any time.
Transmission system is the power resources of pair roller extruder, ensures pair roller extruder compression roller work required drive by the parts of work drive motor and decelerator, shaft coupling.
Hydraulic system, as the source pressure of pressing materials, the hydraulic oil produced by Hydraulic Station, promotes master cylinder, and master cylinder promotes compression roller and produces required pressure, and master cylinder bears the propulsive thrust that gross pressure equals from material.
Lubricating system, plays the regular self-lubricate to work packages such as bearings.
Electric control system, carries out the FEEDBACK CONTROL of logic control and signal to the pair roller extruder course of work.Ensure that pair roller extruder normally runs under the running parameter of setting.
And current pair roller extruder structure exists following not enough:
1, the pair roller extruder stop jumping that the central roll that works causes partially, is the typical problem that long-standing problem pair roller extruder normally runs, meanwhile, reduces operation rate, be unfavorable for the maximum productivity of performance equipment;
2, roller partially also produces obviously impact by many-sided for, vibration equipment stable on bearing life, master cylinder life-span, hydraulic system etc.;
3, in the course of work, have hydraulic system oil cylinder to bear completely to the reaction force of compression roller after material is squeezed, oil cylinder specification is constantly amplified, and hydraulic system cost constantly increases;
4, compression roller substitute mode inconvenience;
5, complete machine structure is complicated, and volume is large, and floor space is large, and manufacturing cost is high.
Summary of the invention
Be in operation and very easily produce for solving the pair roller extruder of prior art the series of problems that roller local derviation causes, the invention provides a kind of without case type pair roller extruder, not only well solve the inclined phenomenon of roller in the course of work, and enormously simplify the structure of pair roller extruder, save floor space and manufacturing cost.
The present invention is the technical scheme solving the problems of the technologies described above employing: a kind of without case type pair roller extruder, the first compression roller arranged by pedestal, piston-type hydro compressing cylinder, pair roller and the second compression roller are formed, the bottom at the first compression roller and the second compression roller two ends is all rotationally connected by rotating pin and pedestal, first compression roller is all strained and fixed by two piston-type hydro compressing cylinders of identical set-up mode with the top at the second compression roller two ends, the bottom at the first compression roller or the second compression roller two ends is provided with steady pin and rotates to prevent this compression roller.
The described feed arrangement without housing pair roller extruder is arranged on the top of the first compression roller and the second compression roller, and the independent support frame fixed support of feed arrangement by not contacting with pair roller extruder remaining part.
Described first compression roller and the second compression roller by roller, be arranged on roller two ends and form for the bearing of fixed support roller and Bearing housings assembly, the shape of described bearing block is V-arrangement, bearing is arranged in the recess of V-arrangement, one end of recess is rotationally connected by rotating pin and pedestal, and cylinder base or the piston rod of the other end and piston-type hydro compressing cylinder are articulated and connected.
In the present invention, first compression roller is all strained and fixed by two piston-type hydro compressing cylinders of identical set-up mode with the top at the second compression roller two ends, described identical set-up mode refers to that the cylinder body bottom of two piston-type hydro compressing cylinders is all hinged with same compression roller, accordingly, the piston rod of two piston-type hydro compressing cylinders is all hinged with another compression roller.
In the present invention, the cylinder base of piston-type hydro compressing cylinder and piston rod respectively with the upper articulation of two compression rollers, in the case, piston rod bears pulling force, balances the reaction force from material, ensures that material is subject to high extruding force effect.
Certainly, the part of the NM part of the present invention or detailed description is all same as the prior art, as the system (dynamical system, lubricating system and control system etc.) of some indispensabilities, identical with pair roller extruder of the prior art of the set-up mode of these systems and played effect.
Beneficial effect: the present invention compared with prior art has the following advantages:
1) constantly can change with the pressure change of material characteristic or hydraulic system because the working mechanism of pair roller extruder determines roll gap, traditional structure pair roller extruder, gap values between rollers is changed by the horizontal slip in frame of movable roll bearing block, when two side shaft holder slide displacement amounts are different, just create roller inclined.Pair roller extruder of the present invention is without traditional pair roller extruder box-type frame, and bearing block rotates along rotating pin the continuous adjustment that a low-angle (0 °-5 °) meets roll gap, completely avoid the appearance that roller is inclined;
2) because pair roller extruder of the present invention solves the inclined problem of roller, therefore, avoid the vibration equipment because roller causes partially, the stability of pair roller extruder overall operation obviously promotes, and also can not produce wobbler action to bearing, extends the service life of bearing, simultaneously, also can improve the side leakage material because roller causes partially, lower edge effect, improve squeezing effect;
3) in the present invention, bottom and the pedestal of two compression rollers are rotationally connected by rotating pin, upper end is strained and fixed by two piston-type hydro compressing cylinders, by arranging steady pin thus make certain compression roller change between stationary roll and movable roll on some compression roller, and adopting this structure, required hydraulic pressure is the half of traditional structure pair roller extruder, if keep hydraulic pressure constant, the dimensions of oil cylinder can be made significantly to reduce, reduce cost;
4) because compression roller can rotate centered by rotating pin, compression roller carries out conveniently dismounting by roll change buggy, shortens the maintenance time of user, improves the operational efficiency of equipment;
5) owing to eliminating housing (cabinet or rack construction) and optimizing the structure of bearing block and the set-up mode of compression roller, the weight of equipment is made to obtain obvious reduction, appearance and size obviously reduces, thus saved the space of user installation, facilitate the installation of equipment, debugging and maintenance work, for user has saved investment, operating cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that the present invention opens;
Fig. 3 is the structural representation of compression roller;
Fig. 4 is the structural representation of prior art pair roller extruder;
Reference numeral: 1, pedestal, the 2, first compression roller, 3, piston-type hydro compressing cylinder, the 4, second compression roller, 5, feed arrangement, 6, bracing frame, 7, rotating pin, 8, steady pin, 9, roller, 10, bearing, 11, bearing block.
Detailed description of the invention
As shown in the figure, a kind of without case type pair roller extruder, the first compression roller 2 arranged by pedestal 1, piston-type hydro compressing cylinder 3, pair roller and the second compression roller 4 are formed, the bottom at the first compression roller 2 and the second compression roller 4 two ends is all rotationally connected by rotating pin 7 and pedestal 1, first compression roller 2 is all strained and fixed by two piston-type hydro compressing cylinders 3 of identical set-up mode with the top at the second compression roller 4 two ends, the bottom at the first compression roller 2 or the second compression roller 4 two ends is provided with steady pin 8 and rotates to prevent this compression roller.
The described feed arrangement 5 without housing pair roller extruder is arranged on the top of the first compression roller 2 and the second compression roller 4, and independent support frame 6 fixed support of feed arrangement 5 by not contacting with pair roller extruder remaining part.
Described first compression roller 2 and the second compression roller 4 by roller 9, be arranged on roller 9 two ends and assemble for the bearing 10 of fixed support roller 9 and bearing block 11, the shape of described bearing block 11 is V-arrangement, bearing 10 is arranged in the recess of V-arrangement, one end of recess is rotationally connected by rotating pin 7 and pedestal 1, and cylinder base or the piston rod of the other end and piston-type hydro compressing cylinder 3 are articulated and connected.
When mounted, pedestal 1 is installed fixing by foundation bolt in the present invention.
In the present invention, maintain for the ease of dismounting or to roller 9, piston rod and the compression roller hinged (i.e. movable roll) not installing steady pin 8 of two piston-type hydro compressing cylinders 3, cylinder base and the compression roller hinged (i.e. stationary roll) being provided with steady pin 8 of two piston-type hydro compressing cylinders 3, the effect of steady pin 8 limits compression roller around the rotation of rotating pin 7, becomes the stationary roll that can not rotate by some compression rollers.
In addition, the system also comprising some indispensabilities in prior art in conventional pair roller extruder without case type pair roller extruder of the present invention, as dynamical system, lubricating system, control system and hydraulic system etc., dynamical system drives compression roller to rotate, control system then controls the running status of pair roller extruder and operates, lubricating system is then lubricate parts such as bearing 10 grade, hydraulic system forms (two piston-type hydro compressing cylinders bear total extruding force of 1/2 jointly) primarily of hydraulic power unit and two piston-type hydro compressing cylinders 3, identical with pair roller extruder of the prior art of the set-up mode of these systems and played effect.
Being calculated as follows of the hydraulic pressure born about piston-type hydro compressing cylinder 3:
Set existing pair roller extruder structure, to the directed force F of material between roller, oil cylinder needs the gross thrust produced to be F, if cylinder diameter is D, then and hydraulic system pressure P
1:
P
1=F/(0.25·π·D
2)
The pair roller extruder structure of the application, hydraulic system pressure is:
P
2=F/2/(0.25·π·D
2)
Then: P
2=1/2P
1
Hydraulic system pressure is 1/2 under common pair roller extruder structure, and therefore, to provide identical hydraulic pressure, then the dimensions of oil cylinder of the present invention significantly reduces, and not only reduces cost, and also reduces structure and the weight of pair roller extruder.
In the present invention, the gap adjustment of two compression rollers no longer relies on the horizontal slip of action roller, but rely on one of them compression roller to carry out low-angle rotation around pedestal 1 by rotating pin 7 to adjust gap: when inlet amount increases or system pressure reduces and other factors force roll gap gap to change (0-100mm), one of them compression roller will carry out, along clockwise or counterclockwise constantly low-angle (0 °-5 °) rotation, maintaining system pressure remain in working range by the accumulator in hydraulic system around rotating pin 7;
In the present invention, the extruding roll body not installing steady pin 8 can be opened (as shown in Figure 2) around rotating pin 7 half-twist of its lower end.Specific operation process is: be first separated with this compression roller by piston-type hydro compressing cylinder 3, employing lifting device is connected to the pin-and-hole on this compression roller, slow whereabouts lifting tool, makes this compression roller slowly open until open angle is 90 °, then repairs roller 9 or change as required.
Feed arrangement 5 of the present invention passes through independently bracing frame 6 and is fixed.Feed arrangement 5 does not produce with the remainder of pair roller extruder and is rigidly connected, and weight and the vibration of its deadweight, material all can not be directly delivered on body.When carrying out disassembling operations to two compression rollers, do not need to move feed arrangement 5, the Maintenance Downtime of great shortening equipment.
Claims (2)
1. one kind without case type pair roller extruder, it is characterized in that: by pedestal (1), piston-type hydro compressing cylinder (3), the first compression roller (2) that pair roller is arranged and the second compression roller (4) are formed, the bottom at the first compression roller (2) and the second compression roller (4) two ends is all rotationally connected by rotating pin (7) and pedestal (1), first compression roller (2) is all strained and fixed by two piston-type hydro compressing cylinders (3) of identical set-up mode with the top at the second compression roller (4) two ends, the bottom at the first compression roller (2) or the second compression roller (4) two ends is provided with steady pin (8) rotate to prevent this compression roller, and the piston rod of two piston-type hydro compressing cylinders (3) is hinged with the compression roller not installing steady pin (8), cylinder base is hinged with the compression roller being provided with steady pin (8),
Described first compression roller (2) and the second compression roller (4) by roller (9), be arranged on roller (9) two ends and be used for the bearing (10) of fixed support roller (9) and bearing block (11) assembles, the shape of described bearing block (11) is V-arrangement, bearing (10) is arranged in the recess of V-arrangement, one end of recess is rotationally connected by rotating pin (7) and pedestal (1), cylinder base or the piston rod of the other end and piston-type hydro compressing cylinder (3) are articulated and connected, and described bearing block (11) rotates 0-5 ° to adjust roll gap around rotating pin (7).
2. according to claim 1 a kind of without case type pair roller extruder, it is characterized in that: the described feed arrangement without housing pair roller extruder (5) is arranged on the top of the first compression roller (2) and the second compression roller (4), and independent support frame (6) fixed support of feed arrangement (5) by not contacting with pair roller extruder remaining part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410010832.1A CN103721783B (en) | 2014-01-10 | 2014-01-10 | A kind of without case type pair roller extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410010832.1A CN103721783B (en) | 2014-01-10 | 2014-01-10 | A kind of without case type pair roller extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103721783A CN103721783A (en) | 2014-04-16 |
| CN103721783B true CN103721783B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410010832.1A Active CN103721783B (en) | 2014-01-10 | 2014-01-10 | A kind of without case type pair roller extruder |
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| DE102015223694A1 (en) * | 2015-11-30 | 2017-06-01 | Takraf Gmbh | Gearbox holder for a roller press and method for removing the gearbox of a roller press |
| CN107401888B (en) * | 2017-07-28 | 2022-12-20 | 西安航天源动力工程有限公司 | Multi-angle gravity adjusting mechanism for roll shaft |
| CN107718676B (en) * | 2017-11-16 | 2024-01-19 | 国能龙源环保有限公司 | High-pressure forming machine with multi-spiral-structure pre-compression device and using method thereof |
| PE20212350A1 (en) * | 2019-05-09 | 2021-12-16 | Metso Outotec Usa Inc | ROLL CRUSHER |
| CN112675785A (en) * | 2021-01-05 | 2021-04-20 | 北京新龙立自动化技术有限公司 | Dry-process granulator |
| CN114011503B (en) * | 2022-01-05 | 2022-03-15 | 江苏鹏飞集团股份有限公司 | Roller press convenient to maintain |
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| CN86104859A (en) * | 1985-08-07 | 1987-04-01 | 伍尔沃伦公司 | Cereal flaking mill |
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| EP0667186A1 (en) * | 1994-02-14 | 1995-08-16 | Krupp Polysius Ag | Roller mill |
| US5673864A (en) * | 1994-10-11 | 1997-10-07 | Satake Uk Limited | Cereal milling machine |
| CN1795279A (en) * | 2004-07-12 | 2006-06-28 | Posco公司 | Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same |
| CN103657775A (en) * | 2013-12-12 | 2014-03-26 | 浙江浙矿重工股份有限公司 | Hydraulic double-roll crusher and hydraulic system thereof |
| CN203764314U (en) * | 2014-01-10 | 2014-08-13 | 中信重工机械股份有限公司 | Shell-less double-roll extruder |
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2014
- 2014-01-10 CN CN201410010832.1A patent/CN103721783B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104859A (en) * | 1985-08-07 | 1987-04-01 | 伍尔沃伦公司 | Cereal flaking mill |
| FR2639847A1 (en) * | 1988-12-07 | 1990-06-08 | Fives Cail Babcock | Crushing roll |
| EP0667186A1 (en) * | 1994-02-14 | 1995-08-16 | Krupp Polysius Ag | Roller mill |
| US5673864A (en) * | 1994-10-11 | 1997-10-07 | Satake Uk Limited | Cereal milling machine |
| CN1795279A (en) * | 2004-07-12 | 2006-06-28 | Posco公司 | Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same |
| CN103657775A (en) * | 2013-12-12 | 2014-03-26 | 浙江浙矿重工股份有限公司 | Hydraulic double-roll crusher and hydraulic system thereof |
| CN203764314U (en) * | 2014-01-10 | 2014-08-13 | 中信重工机械股份有限公司 | Shell-less double-roll extruder |
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|---|---|
| CN103721783A (en) | 2014-04-16 |
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