CN104028390B - Pulling bag device in Pull-bag type centrifugal machine - Google Patents
Pulling bag device in Pull-bag type centrifugal machine Download PDFInfo
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- CN104028390B CN104028390B CN201410269224.2A CN201410269224A CN104028390B CN 104028390 B CN104028390 B CN 104028390B CN 201410269224 A CN201410269224 A CN 201410269224A CN 104028390 B CN104028390 B CN 104028390B
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Abstract
The present invention discloses the pulling bag device in Pull-bag type centrifugal machine, comprise: support and filter bag, support is provided with bearing support, integrated spindle mobility is located in bearing support, top and the rotary drum of main shaft fix, bottom is fixed by the location seat and swivel joint being provided with positioning through hole, swivel joint is provided with oil-in and oil return mouth, in main shaft, sealing is provided with plunger shaft, the piston that plunger shaft is separated into upper chamber and lower chambers it is provided with in plunger shaft, the upper chamber's oil inlet passage being connected upper chamber and swivel joint oil-in is offered in main shaft, and it is connected the lower chambers oil inlet passage of lower chambers and swivel joint oil return mouth, piston is equipped with pull bar, main shaft is stretched out in the upper end of pull bar and pulling bag support fixes, lower end is actively installed in positioning through hole, pull bar moves up and down in main shaft along positioning through hole, and rotate with spindle synchronous, filter bag upper bag mouth and rotary drum fix, lower bag mouth and pulling bag support fix. the present invention has the advantage in extending pull rod work-ing life.
Description
Technical field
The present invention relates to whizzer, the pulling bag device being specifically related in Pull-bag type centrifugal machine.
Background technology
The structure of the pulling bag device in current Pull-bag type centrifugal machine is: comprise support, support is provided with bearing support, main shaft is movably arranged in bearing support by pair of bearings, main shaft is made up of three sections of independent columns, being locked by bolt between adjacent upright posts, the top of main shaft and the rotary drum head of rotary drum fix, and the bottom of main shaft fixes with the swivel joint offering oil-in and oil outlet, main shaft coordinates driving to rotate by belt, sprocket wheel with motor, is provided with filter bag in rotary drum, main shaft is hollow structure, Packed plunger shaft is set in main shaft, the piston that plunger shaft is separated into room, upper and lower chamber it is provided with in plunger shaft, piston wears the pull bar being fixed with and moving up and down in main shaft, the upper end of pull bar stretches out main shaft, stretch into rotary drum simultaneously after be fixed with installation bearing, install and bearing is provided with filter cloth draw ring, the lower end edge circumference of filter cloth draw ring is fixed with some stretching arms, the upper bag mouth of filter bag and the top inner wall of rotary drum fixes, lower bag mouth is fixed by lower pressure ring and stretching arm, piston can move up and down under the driving of reciprocating mechanism in plunger shaft, the structure of described reciprocating mechanism is: be provided with annular chamber between piston and pull bar, the ventilating pit being connected upper chamber is offered at the top of piston, the radial oil inlet passage being connected with annular chamber is offered in pull bar, also it is provided with in pull bar and the axial fuel inlet passage that radial oil inlet passage is connected, connection shaft it is provided with to the first oil inlet passage of oil inlet passage and swivel joint oil-in in main shaft, first oil inlet passage, radial oil inlet passage and axial fuel inlet passage form upper chamber's oil inlet passage jointly, the lower chambers oil inlet passage being connected lower chambers and swivel joint oil outlet also it is provided with in main shaft. the shortcoming of this kind of pulling bag device is: on the one hand, owing to main shaft is made up of three sections of independent columns, adjacent upright posts is locked by bolt, in use easily there is deviation in the concentricity of three sections of columns, and then when causing pull bar up and down reciprocatingly to move, there is difficulty, pull bar is very easily made to be damaged, greatly reduce working efficiency, on the other hand, owing to having offered radial oil inlet passage and axial fuel inlet passage in pull bar, and then make the decrease in intensity of pull bar, further increase the probability that pull bar damages in use procedure, pull bar is short for work-ing life, enterprise's production and application cost height.
Summary of the invention
It is an object of the invention to provide a kind of can pulling bag device in the Pull-bag type centrifugal machine in extending pull rod work-ing life.
For achieving the above object, present invention employs following technical scheme: the pulling bag device in described Pull-bag type centrifugal machine, comprise: support and filter bag, support is provided with bearing support, integrated main shaft is movably arranged in bearing support by bearing, top and the rotary drum of main shaft fix, bottom is fixed by the location seat and swivel joint being provided with positioning through hole, swivel joint has been offered oil-in and oil return mouth, in main shaft, sealing is provided with plunger shaft, the piston that plunger shaft is separated into upper chamber and lower chambers it is provided with in plunger shaft, the upper chamber's oil inlet passage being connected upper chamber and swivel joint oil-in is offered in main shaft, and it is connected the lower chambers oil inlet passage of lower chambers and swivel joint oil return mouth, piston is equipped with pull bar, main shaft is stretched out in the upper end of pull bar and pulling bag support fixes, lower end is movably arranged in the positioning through hole of location seat, pull bar moves up and down in main shaft along positioning through hole, and rotate with spindle synchronous, upper bag mouth and the rotary drum of filter bag fix, lower bag mouth and pulling bag support fix.
Further, pulling bag device in aforesaid Pull-bag type centrifugal machine, wherein: the positioning through hole of location seat is connected the oil return mouth of plunger shaft lower chambers and swivel joint, and the cross section shape of described positioning through hole is: comprise the semicircle that is square and that integrally extend respectively that the lower end cross section with pull bar mates mutually on each square limit; When, behind the movable square hole being plugged in positioning through hole of lower end of pull bar, half circular hole of square hole surrounding forms the lower chambers oil inlet passage being connected plunger shaft lower chambers and swivel joint oil return mouth jointly.
Further, pulling bag device in aforesaid Pull-bag type centrifugal machine, wherein: the vertical section for the sealing-ring of packed-piston top of chamber is stepped appearance, this stepped appearance sealing-ring forms the annular chamber communicated with upper chamber with main shaft inwall, and upper chamber's oil inlet passage communicates with annular chamber.
By the enforcement of technique scheme, it is an advantage of the invention that: owing to integrated spindle axis is shaping, it is ensured that main shaft concentricity in use remains stable, and then can not damage because spindle synchronous degree is low when guaranteeing that pull bar moves up and down in main shaft; Simultaneously owing to pull bar is solid member, any oil duct is not offered in its inside, thus adds the intensity of pull bar, reduces the probability that pull bar damages because intensity is not high, and then adds the work-ing life of pull bar.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pulling bag device in Pull-bag type centrifugal machine of the present invention.
Fig. 2 is the using state schematic diagram of the pulling bag device shown in Fig. 1.
Fig. 3 is the enlarged diagram at H position in Fig. 1.
Fig. 4 is the structural representation of A-A section in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pulling bag device in described Pull-bag type centrifugal machine, comprise: support 1 and filter bag 2, support 1 is provided with bearing support 3, integrated main shaft 4 is movably arranged in bearing support 3 by bearing, top and the rotary drum 5 of main shaft 4 fix, bottom fixes with swivel joint 6 by being provided with the location seat 15 of positioning through hole, swivel joint 6 is offered bottom and has offered oil-in 16 and oil return mouth 17, in main shaft 4, sealing is provided with plunger shaft, the piston 7 that plunger shaft is separated into upper chamber and lower chambers it is provided with in plunger shaft, the upper chamber's oil inlet passage 12 being connected upper chamber and swivel joint oil-in 16 is offered in main shaft 4, and it is connected the lower chambers oil inlet passage 13 of lower chambers and swivel joint oil return mouth 17, piston 7 is equipped with pull bar 8, the upper end of pull bar 8 is stretched out main shaft 4 and is fixed with pulling bag support, lower end is movably arranged in the positioning through hole of location seat 15, pull bar 8 moves up and down in main shaft 4 along positioning through hole, and with main shaft 4 synchronous axial system, upper bag mouth and the rotary drum 5 of filter bag 2 fix, lower bag mouth and pulling bag support fix, in the present embodiment, pulling bag support comprises installs bearing 10, filter cloth draw ring 9 and stretching arm 11, the upper end of pull bar 8 fixes with the installation bearing 10 that filter cloth draw ring 9 is housed, the equally distributed some stretching arms 11 of filter cloth draw ring 9 times ends, the upper bag mouth of the filter bag 2 and top inner wall of rotary drum 5 fixes, lower bag mouth and stretching arm 11 fix, in the present embodiment, the positioning through hole of location seat 15 is connected plunger shaft lower chambers and swivel joint oil return mouth 17, and the cross section shape of described positioning through hole is: comprise the semicircle that is square and that integrally extend respectively that the lower end cross section with pull bar 8 mates mutually on each square limit, when after the movable BODY WITH SQUARE APERTURE being plugged in positioning through hole of lower end of pull bar 8, the semicircle duct of square hole surrounding forms the lower chambers oil inlet passage 13 being connected plunger shaft lower chambers and swivel joint oil return mouth 17 jointly, not only structure is simple in the setting of this kind of positioning through hole, install easy to operate, and the location of pull bar 8 in main shaft 4 and guiding can be realized by positioning through hole, need not separately establish locating slot at the outer wall of piston 7, on main shaft 4 inner side-wall, wear the guide path corresponding with locating slot simultaneously, thus reduce the probability of piston because of wear damage, in the present embodiment, vertical section for the sealing-ring 14 of packed-piston top of chamber is stepped appearance, this stepped appearance sealing-ring 14 forms the annular chamber communicated with upper chamber with main shaft 1 inwall, upper chamber's oil inlet passage 12 communicates with annular chamber, like this after the logical note of lower chambers makes to move on piston 7, piston 7 can be against on the small-bore end face of stepped appearance sealing-ring 14, avoids the upper oil-in that piston directly blocks upper chamber's oil inlet passage, the principle of work of the present invention is as follows: motor is rotated by sprocket wheel and belt drive main shaft 4, main shaft 4 synchronously drives rotary drum 5 to rotate, and then make filter bag 2 synchronous axial system filter filtrate, when the filter cake in filter bag 2 reaches a certain amount of, then fluid pressure drive device is made to control the oil amount of upper chamber and bottom chamber by upper chamber oil inlet passage 12 and lower chamber oil inlet passage 13, piston 7 is moved up and down in plunger shaft, synchronous drive pull bar 8 moves up and down in main shaft 4 along positioning through hole, pull bar 8 drives the lower bag mouth of filter bag 2 to move back and forth up and down by filter cloth draw ring 9 and stretching arm 11, filter bag 2 is made to produce shake and shake to quiver, thus the cake layer on filter bag 2 is shaken off, realize the regeneration of filter bag,It is an advantage of the invention that: owing to integrated spindle axis is shaping, it is ensured that main shaft concentricity in use remains stable, and then can not damage because spindle synchronous degree is low when guaranteeing that pull bar moves up and down in main shaft; Simultaneously owing to pull bar is solid member, any oil duct is not offered in pull bar inside, thus adds the intensity of pull bar, reduces the probability that pull bar damages because intensity is not high, and then extends the work-ing life of pull bar.
Claims (3)
1. the pulling bag device in Pull-bag type centrifugal machine, comprise: support and filter bag, support is provided with bearing support, it is characterized in that: integrated main shaft is movably arranged in bearing support by bearing, top and the rotary drum of main shaft fix, bottom is fixed by the location seat and swivel joint being provided with positioning through hole, swivel joint has been offered oil-in and oil return mouth, in main shaft, sealing is provided with plunger shaft, the piston that plunger shaft is separated into upper chamber and lower chambers it is provided with in plunger shaft, the upper chamber's oil inlet passage being connected upper chamber and swivel joint oil-in is offered in main shaft, and it is connected the lower chambers oil inlet passage of lower chambers and swivel joint oil return mouth, piston is equipped with pull bar, main shaft is stretched out in the upper end of pull bar and pulling bag support fixes, lower end is movably arranged in the positioning through hole of location seat, pull bar moves up and down in main shaft along positioning through hole, and rotate with spindle synchronous, upper bag mouth and the rotary drum of filter bag fix, lower bag mouth and pulling bag support fix.
2. the pulling bag device in Pull-bag type centrifugal machine according to claim 1, it is characterized in that: the positioning through hole of location seat is connected the oil return mouth of plunger shaft lower chambers and swivel joint, and the cross section shape of described positioning through hole is: comprise the semicircle that is square and that integrally extend respectively that the lower end cross section with pull bar mates mutually on each square limit; When, behind the movable square hole being plugged in positioning through hole of lower end of pull bar, half circular hole of square hole surrounding forms the lower chambers oil inlet passage being connected plunger shaft lower chambers and swivel joint oil return mouth jointly.
3. the pulling bag device in Pull-bag type centrifugal machine according to claim 1, it is characterized in that: the vertical section for the sealing-ring of packed-piston top of chamber is stepped appearance, this stepped appearance sealing-ring forms the annular chamber communicated with upper chamber with main shaft inwall, and upper chamber's oil inlet passage communicates with annular chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269224.2A CN104028390B (en) | 2014-06-17 | 2014-06-17 | Pulling bag device in Pull-bag type centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269224.2A CN104028390B (en) | 2014-06-17 | 2014-06-17 | Pulling bag device in Pull-bag type centrifugal machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104028390A CN104028390A (en) | 2014-09-10 |
| CN104028390B true CN104028390B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410269224.2A Active CN104028390B (en) | 2014-06-17 | 2014-06-17 | Pulling bag device in Pull-bag type centrifugal machine |
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| CN (1) | CN104028390B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284002A (en) * | 2018-01-29 | 2018-07-17 | 苏州星亿机械有限公司 | Pulling bag device for discharging in Pull-bag type centrifugal machine |
| CN114558701B (en) * | 2022-01-28 | 2024-01-26 | 北京海普瑞森超精密技术有限公司 | Precise filtering centrifuge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4230261A1 (en) * | 1991-10-01 | 1993-04-08 | Krauss Maffei Ag | DISCONTINUOUS FILTER CENTRIFUGE |
| CN101780439B (en) * | 2009-12-18 | 2012-01-18 | 江苏华大离心机制造有限公司 | Unloading device of centrifuge |
| CN201776188U (en) * | 2010-09-06 | 2011-03-30 | 江苏华大离心机制造有限公司 | Vertical bag-pulling discharging centrifuge |
| CN202667001U (en) * | 2012-06-27 | 2013-01-16 | 江苏赛德力制药机械制造有限公司 | Full-automatic pull bag feeding and discharging centrifugal machine |
| CN202845186U (en) * | 2012-11-01 | 2013-04-03 | 江苏捷达离心机制造有限公司 | Bag-pulling device of bag-pulling centrifugal machine |
| CN204018043U (en) * | 2014-06-17 | 2014-12-17 | 苏州星亿机械有限公司 | Pulling bag device in bag-pulling type centrifuge |
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- 2014-06-17 CN CN201410269224.2A patent/CN104028390B/en active Active
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