CN1302698A - Automatic three-leg centrifugal machine unloading under scraper - Google Patents
Automatic three-leg centrifugal machine unloading under scraper Download PDFInfo
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- CN1302698A CN1302698A CN 99127578 CN99127578A CN1302698A CN 1302698 A CN1302698 A CN 1302698A CN 99127578 CN99127578 CN 99127578 CN 99127578 A CN99127578 A CN 99127578A CN 1302698 A CN1302698 A CN 1302698A
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Abstract
An automatic three-leg centrifugal machine for unloading material by scraper features that except that the high-speed rotation of drum is driven by primary motor at the time when material is unloading and the drum is braking, the low-speed rotation of drum is driven by the scraper unloading driver which is driven by secondary motor via worm couple, overrun clutch and mainshaft. Said scraper is driven via electromagnetic clutch, and leading screw-nut set under the control of guider and limiter. Its advantages are simple structure, high reliability and easy manufacture and maintenance.
Description
The present invention relates to a kind of automatic three-leg centrifugal machine unloading under scraper, belong to intermittently operated, the liquid of filtering type, solid separation equipment.
According to the job requirement of automatic three-leg centrifugal machine unloading under scraper, except that the general structure of link-suspended basket centrifuge, its design feature one is to have a cover to realize the transmission of rotary drum high, low speed and the brake apparatus of high-speed separation, braking and low speed discharging.The 2nd, the realization scraper is made the scraper discharging transmission device of cutting movement.
According to existing technique known, it is by the master that the rotary drum high, low speed is rotated, pay the transmission respectively of two motors, finishes via the transmission gear for electric motor of centrifugal throwing piece slip clutch, worm gear, worm gear box, freewheel clutch, belt pulley composition.The braking of rotary drum is realized by hydraulicdriven brake apparatus.The scraper discharging transmission device comprises the Hydraulic Power Transmission System of being made up of oil pump, solenoid directional control valve, fuel tank and other Hydraulic Elements, is made up of the stroke enlarger of revolution, two oil cylinders of lifting and gear, tooth bar transmission.This shows that its drive mechanism is very multiple assorted, cost height, manufacturing, maintenance difficult.
The purpose of this invention is to provide a kind of simple in structure, reliable operation, manufacturing, maintenance is easy, cost is low, the automatic three-leg centrifugal machine unloading under scraper of easy to operate full mechanical transmission structure.
High speed rotating when solution of the present invention is the rotary drum separation is the same with general link-suspended basket centrifuge, by main motor transmission, via the transmission gear for electric motor that centrifugal throwing piece slip clutch, belt pulley are formed, drive shaft drives rotary drum and makes material separation, the high speed rotating when dewatering.Slowly running and the cutting movement during scraper discharging during the rotary drum discharging is to be realized by the scraper discharging transmission device of paying the motor transmission.The energy discharging that had both utilized rotary drum inertia to rotate during scraper discharging simultaneously, makes rotary drum obtain braking again, does not need brake apparatus.
Below in conjunction with accompanying drawing and example, it is as follows further to illustrate design feature of the present invention and operation principle:
Fig. 1: structure diagram of the present invention
Fig. 2: scraper discharging transmission structures figure
Fig. 3: A-A profile
Fig. 4: B-B profile
Fig. 5: scraper guiding, stopping means structure chart
Fig. 6: C-C profile
Design feature:
1, as shown in Figure 1: it is made up of main transmission gear for electric motor (1), body (2), spindle gearing (3), shell (4), scraper discharging transmission device (5), rotary drum (6).
2, as Fig. 1, Fig. 2, Fig. 3, shown in Figure 5: scraper discharging transmission device of the present invention places the top of casing (4), by paying motor (a 27) transmission.Power is exported by the two ends that are contained in the worm-wheel shaft (11) on the worm gear (12) after worm screw (13), worm gear (12) deceleration transmission, the star-wheel (29) of freewheel clutch is equipped with in the lower end of worm-wheel shaft (11), and the intermediate propeller shaft through freewheel clutch shell (28) are housed (10), shaft coupling (9) and main shaft (8) link to each other.The upper end dress of axle is by electromagnetic clutch (15).Middle dress by link to each other with electromagnetic clutch (15), and sky be enclosed within driving gear (14) on the axle, be meshed through idler gear (16) and driven gear (24).The scraper screw mandrel (23) that gear (24) is contained on feed screw nut's axle (25) and feed screw nut's axle (25) is meshed, its lower end dress is by unloader knife (26), and the upper end is adorned by bearing pin (34), guide (35), and links to each other with guiding, the stopping means of scraper.
3, by Fig. 2 and shown in Figure 4, freewheel clutch is made up of shell (28), star-wheel (29), roller (30), ejector pin (31), spring (32).Star-wheel (29) is contained on the worm-wheel shaft (11), and shell (28) is contained on the intermediate propeller shaft (10).
4, as shown in Figure 5 and Figure 6: the guiding of scraper, stopping means by shell (18), establish by the positioning pipe (20) of spiral fluted positioning sleeve (36) and straight-line groove, and upper and lower stroke switch (17), (21), stop collar (22), touching lever (19) and case (33) form.
Operation principle:
1, main motor (7) starts, and through transmission gear for electric motor (1) transmission, drive shaft (8) drives rotary drum (6) and makes material dehydration, the high speed rotating when separating.The shell (28) of freewheel clutch rotates with intermediate propeller shaft (10) at this moment, and star-wheel (29) is motionless, and freewheel clutch is thrown off, the transmission of disconnection and scraper discharging.
2, after high-speed separation is finished, main motor (7) stops, and rotary drum (6) still rotates at high speed inertia.Pay motor (27) and start, after worm screw (18), worm gear (12) deceleration transmission, drive worm-wheel shaft (11) and rotate.This moment, the star-wheel (29) and the shell (28) of freewheel clutch rotated in the same way, but the rotating speed of shell is higher than the rotating speed of star-wheel, so freewheel clutch still is in disengaged condition.
3, pay motor (27) and start after, be contained in the electromagnetic clutch adhesive on the worm-wheel shaft (15), the driving gear (14) that links to each other with electromagnetic clutch (15), rotate through idler gear (16), drive driven gear (24) and feed screw nut's axle (25), make bearing pin (34), the guide (35) of scraper screw mandrel (23) by the top, and under the control of guiding, stopping means, drive scraper (26) and do spiral feed and following feed campaign.The discharging of cutting material.Like this, the energy discharging that had both utilized rotary drum inertia to rotate makes rotary drum obtain braking again.When the rotary drum reduction of speed when equaling the worm-wheel shaft rotating speed, the freewheel clutch engagement drives rotary drum, rotates with constant discharging speed.
4, when feed is to the limit inferior position under the scraper (26), spacing by stop collar (22), and compression lower stroke switch (21), electromagnetic clutch (15) is discharged, scraper (26) stops feed.But rotary drum (6) is still slowly running, and continues the buildup of removal bottom of the drum.
5, through after selecting the fixed time, pay motor (27) stall, then oppositely start again, worm screw (13) through the commutation rotation, worm gear (12) drives worm-wheel shaft (11) backward rotation, at this moment star-wheel of freewheel clutch (29) and shell (28) are thrown off, and rotary drum (6) is also after finishing discharging, with to stall.Simultaneously, electromagnetic clutch (15) adhesive again, through driving gear (14), idler gear (16) drives driven gear (24) and feed screw nut's axle (25) backward rotation.Make scraper screw mandrel (23) again under the control of scraper guiding, stopping means, drive on scraper (26) works feed and withdrawing and move.When the supreme extreme position of withdrawing, upper stroke switch (17) compression is paid motor (28) and is stopped operating, and the work of centrifuge is also with extremely all finishing.
Show that from said structure the high speed rotating of rotary drum is by main electricity during separation of material Outside the machine transmission, the slowly running when braking of rotary drum and discharging, and scraper discharging The time the cutting campaign, all be real by the scraper discharging transmission device of paying motor-driven Existing. This shows that the present invention adopts full mechanical transmission structure, has cancelled liquid Press transmission device, simplified mechanical transmission structure, cooperate electric control system, Realized the automation mechanized operation of full machine. Therefore, the present invention has simple in structure, Reliable operation, it is significantly excellent that cost is low, make, maintenance is easy, easy to operate etc. The point.
Claims (2)
1, a kind of automatic three-leg centrifugal machine unloading under scraper of forming by main transmission gear for electric motor, spindle gearing, rotary drum, body, casing, scraper discharging transmission device.It is characterized in that except that separate, the high speed rotating of rotary drum is by the main motor transmission during dehydration, the slowly running when braking of rotary drum and discharging, and the cutting movement during scraper discharging all are to be realized by the scraper discharging transmission device of paying the motor transmission.
2,, be installed in the top of casing (4), by paying motor (2 7) transmission according to claim 1 described scraper discharging transmission device.Power is after worm screw (13), worm gear (12) deceleration transmission, by the two ends output that is contained in the worm-wheel shaft (11) on the worm gear (12).The lower end of worm-wheel shaft (11), dress are by the star-wheel (29) of freewheel clutch, and intermediate propeller shaft (10), shaft coupling (9) and main shaft (8) through adorning by freewheel clutch shell (28) link to each other.The upper end dress of axle is by electromagnetic clutch (15), and middle dress is by linking to each other with electromagnetic clutch, and sky is enclosed within the driving gear (14) on the axle, and through idler gear (16), and driven gear (24) is meshed.The scraper screw mandrel (23) that driven gear (24) is contained on feed screw nut's axle (25) and feed screw nut's axle (25) is meshed, unloader knife (26) is equipped with in its lower end, and bearing pin (34) is equipped with in the upper end, guide (35), and link to each other with scraper guiding, stopping means.Wherein, scraper guiding, stopping means by shell (18), establish by the positioning pipe (20) of spiral fluted positioning sleeve (36) and straight-line groove, reach upper and lower lead limit switch (17), (21), stop collar (22), collision block (19) etc. and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99127578 CN1302698A (en) | 1999-12-31 | 1999-12-31 | Automatic three-leg centrifugal machine unloading under scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99127578 CN1302698A (en) | 1999-12-31 | 1999-12-31 | Automatic three-leg centrifugal machine unloading under scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1302698A true CN1302698A (en) | 2001-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99127578 Pending CN1302698A (en) | 1999-12-31 | 1999-12-31 | Automatic three-leg centrifugal machine unloading under scraper |
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| CN (1) | CN1302698A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383435C (en) * | 2004-12-28 | 2008-04-23 | 广东工业大学 | Double-power inputting automatic shifting speed reducer |
| CN100396971C (en) * | 2005-03-22 | 2008-06-25 | 广东工业大学 | Double-power bidirectional automatic switching worm reducer |
| CN101347768B (en) * | 2008-08-18 | 2011-05-18 | 江苏华大离心机制造有限公司 | Material-scraping device of filtering packet type centrifuge |
| CN103495510A (en) * | 2013-09-25 | 2014-01-08 | 张家港市锐腾机械制造有限公司 | Flat plate type full-automatic sedimentation scraper centrifugal machine |
| CN103949355A (en) * | 2014-05-06 | 2014-07-30 | 杨元清 | Three-foot type manual material-discharging centrifugal machine |
| CN103981475A (en) * | 2014-05-29 | 2014-08-13 | 苏州鑫荣健身器材有限公司 | Novel environment-friendly automatic centrifugal machine |
| CN104888980A (en) * | 2015-05-29 | 2015-09-09 | 蚌埠市兴利离心机制造有限公司 | Automatic-unloading vertical centrifuge |
| CN104888979A (en) * | 2015-05-27 | 2015-09-09 | 蚌埠市兴利离心机制造有限公司 | Gravity discharge screen centrifuge |
| CN104888978A (en) * | 2015-05-29 | 2015-09-09 | 蚌埠市兴利离心机制造有限公司 | Vertical centrifugal machine with automatic discharge function |
| CN105327787A (en) * | 2015-10-21 | 2016-02-17 | 苏州盛天力离心机制造有限公司 | Automatic discharging device of upper discharging centrifugal machine |
| CN108940615A (en) * | 2018-09-04 | 2018-12-07 | 江苏赛德力制药机械制造有限公司 | A kind of centrifuge rotating device |
| CN110882861A (en) * | 2019-11-21 | 2020-03-17 | 无锡市华禾工控设备制造有限公司 | Centrifuge scraper mechanism |
-
1999
- 1999-12-31 CN CN 99127578 patent/CN1302698A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383435C (en) * | 2004-12-28 | 2008-04-23 | 广东工业大学 | Double-power inputting automatic shifting speed reducer |
| CN100396971C (en) * | 2005-03-22 | 2008-06-25 | 广东工业大学 | Double-power bidirectional automatic switching worm reducer |
| CN101347768B (en) * | 2008-08-18 | 2011-05-18 | 江苏华大离心机制造有限公司 | Material-scraping device of filtering packet type centrifuge |
| CN103495510A (en) * | 2013-09-25 | 2014-01-08 | 张家港市锐腾机械制造有限公司 | Flat plate type full-automatic sedimentation scraper centrifugal machine |
| CN103949355A (en) * | 2014-05-06 | 2014-07-30 | 杨元清 | Three-foot type manual material-discharging centrifugal machine |
| CN103981475A (en) * | 2014-05-29 | 2014-08-13 | 苏州鑫荣健身器材有限公司 | Novel environment-friendly automatic centrifugal machine |
| CN104888979B (en) * | 2015-05-27 | 2017-12-12 | 蚌埠市兴利离心机制造有限公司 | A kind of lower discharging type centrifuge |
| CN104888979A (en) * | 2015-05-27 | 2015-09-09 | 蚌埠市兴利离心机制造有限公司 | Gravity discharge screen centrifuge |
| CN104888980A (en) * | 2015-05-29 | 2015-09-09 | 蚌埠市兴利离心机制造有限公司 | Automatic-unloading vertical centrifuge |
| CN104888980B (en) * | 2015-05-29 | 2017-09-15 | 蚌埠市兴利离心机制造有限公司 | A kind of automatic discharging vertical centrifugal machine |
| CN104888978B (en) * | 2015-05-29 | 2017-11-10 | 蚌埠市兴利离心机制造有限公司 | A kind of vertical centrifugal machine with automatic discharging function |
| CN104888978A (en) * | 2015-05-29 | 2015-09-09 | 蚌埠市兴利离心机制造有限公司 | Vertical centrifugal machine with automatic discharge function |
| CN105327787A (en) * | 2015-10-21 | 2016-02-17 | 苏州盛天力离心机制造有限公司 | Automatic discharging device of upper discharging centrifugal machine |
| CN108940615A (en) * | 2018-09-04 | 2018-12-07 | 江苏赛德力制药机械制造有限公司 | A kind of centrifuge rotating device |
| CN110882861A (en) * | 2019-11-21 | 2020-03-17 | 无锡市华禾工控设备制造有限公司 | Centrifuge scraper mechanism |
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