CN109395894A - A kind of minitype vertical type supercentrifuge - Google Patents

A kind of minitype vertical type supercentrifuge Download PDF

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Publication number
CN109395894A
CN109395894A CN201811533999.0A CN201811533999A CN109395894A CN 109395894 A CN109395894 A CN 109395894A CN 201811533999 A CN201811533999 A CN 201811533999A CN 109395894 A CN109395894 A CN 109395894A
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CN
China
Prior art keywords
transmission shaft
shell
block
motor
vertical type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811533999.0A
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Chinese (zh)
Inventor
刘金国
冯靖凯
徐振耀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Institute of Automation of CAS
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Shenyang Institute of Automation of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Institute of Automation of CAS filed Critical Shenyang Institute of Automation of CAS
Priority to CN201811533999.0A priority Critical patent/CN109395894A/en
Priority to PCT/CN2018/124098 priority patent/WO2020118775A1/en
Publication of CN109395894A publication Critical patent/CN109395894A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B7/00Elements of centrifuges

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  • Centrifugal Separators (AREA)

Abstract

The invention belongs to centrifuge fields, specifically a kind of minitype vertical type supercentrifuge, including shell, loading disk, block, transmission shaft, yielding coupling and motor, motor and yielding coupling are respectively positioned in shell, transmission shaft is rotatablely installed in shell, the input terminal of transmission shaft passes through the output axis connection of yielding coupling and motor, and the output end of transmission shaft is connected with the lower part of block, and the top of block is connect with loading disk;Motor drives block and load disc spins by yielding coupling and transmission shaft.Centrifuge of the invention is in unloaded and bringing onto load disk, and when revolving speed increases cause high speed by the slow-speed of revolution, centrifuge is very small, it can be achieved that high speed, long-time stable Positive rotational in the vibratory output in three directions, bearing wear amount and heat.

Description

A kind of minitype vertical type supercentrifuge
Technical field
The invention belongs to centrifuge field, specifically a kind of minitype vertical type supercentrifuge.
Background technique
Centrifuge using rotor rotation generate centrifugal force, be separated from each other heterogeneity object, be widely used in biology, Chemistry, medicine and other fields.Centrifuge according to the installation method, can be divided into vertical, horizontal, tilting, top suspension and link-suspended basket centrifuge. With the continuous improvement that each field requires feed separation, develop centrifuge to high rotary speed direction.
The high speed rotation of rotor, makes to motivate as caused by rotor unbalance and sharply increases, and shows as the vibration of matrix and makes an uproar Sound is big, to cause the sharp wear of driving member, the heat of generation makes part high temperature occur;The deterioration of operating condition, greatly reduces Service life of component.
Summary of the invention
In order to solve the problem of that rotor causes excitation to sharply increase by rotor unbalance in high-speed rotation process, this hair Bright is designed to provide a kind of minitype vertical type supercentrifuge.The minitype vertical type supercentrifuge is small in size, transmission system is simple Easily, control flexibly, is suitable for limited space, high revolving speed requires occasion.
The purpose of the present invention is achieved through the following technical solutions:
The present invention includes shell, loading disk, block, transmission shaft, yielding coupling and motor, wherein motor and elastic shaft coupling Device is respectively positioned in shell, and in shell, the input terminal of the transmission shaft passes through the yielding coupling for the transmission shaft rotational installation With the output axis connection of motor, the output end of the transmission shaft is connected with the lower part of block, the top of the block and the load Disk connection;The motor drives block and load disc spins by yielding coupling and transmission shaft;
Wherein: the transmission shaft is rotatablely installed by angular contact ball bearing in shell, equal in the upper and lower ends of transmission shaft It is supported by the angular contact ball bearing, axle sleeve, upper and lower two angular contact ball axis is equipped between upper and lower two angular contact ball bearings It holds and is positioned by the axle sleeve;
The bearing (ball) cover of installation on the shell, angular contact ball axis are equipped with positioned at the top of the angular contact ball bearing of upper end The outer ring held is blocked by the seam allowance and bearing (ball) cover of shell inner cavity, and the inner ring of angular contact ball bearing passes through on the transmission shaft The outer rim of the shaft shoulder and block is blocked;
There are gap between the axle sleeve and transmission shaft, which is provided with the lubrication that diagonal contact ball bearing is lubricated Rouge;
The shell is cavity body structure, is equipped with the aperture for electric appliance cabling along short transverse on the side wall of shell;
The top of the shell is threaded with protective cover, and the loading disk and block are placed in protective cover;
The upper and lower surfaces of the block are all provided with fluted seam allowance, the lower surface of the loading disk and the output end of transmission shaft It is respectively equipped with raised seam allowance, the groove seam allowance of the raised seam allowance on the loading disk and the block upper surface cooperates grafting, described The raised seam allowance of transmission shaft output end and the groove seam allowance of block lower surface cooperate grafting;
Motor fixed station is equipped in the inner cavity of the shell, which is annular shape, the motor fixed station Circumferencial direction is axially and radially being uniformly provided with multiple threaded holes, the axial threaded hole uniformly opened up and motor company respectively It connects, the radially uniform threaded hole opened up is fixed by screws in the inner cavity of the shell;
The output shaft of the motor, yielding coupling, transmission shaft, the longitudinal center line of block and loading disk are conllinear;
The bottom of the shell is equipped with flange, which is connect by the flange with pedestal or ground.
Advantages of the present invention and good effect are as follows:
1. small in size the invention belongs to minitype vertical type centrifuge (having a size of D170mm × H400mm), especially axial span It is small, suitable for small Space-Work environment.
2. the present invention can drive load high speed rotation, the vibratory output and noise of matrix are very small, and bearing heating is unobvious.
3. transmission system of the present invention is simple, output power with higher.
4. transmission parts of the present invention are respectively positioned in enclosure cavity, moving component is closed by protective cover, is had and is used well Safety.
5. shell of the present invention is connect with ground or pedestal, drop-in electric fault, threat will not be generated to operator, With good electrical security.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is internal structure cross-sectional view of the invention;
Fig. 3 is that the present invention loads coaxial mounted schematic perspective view;
Fig. 4 is the schematic perspective view of motor fixed station of the present invention;
Wherein: 1 is protective cover, and 2 be bearing (ball) cover, and 3 be axle sleeve, and 4 be shell, and 5 be motor fixed station, and 6 be loading disk, 7 For block, 8 be transmission shaft, and 9 be angular contact ball bearing, and 10 be yielding coupling, and 11 be motor, and 12 be aperture, and 13 be flange, 14 It is mounting hole for gap, 15.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
As shown in Fig. 1~2, the present invention includes protective cover 1, bearing (ball) cover 2, axle sleeve 3, shell 4, motor fixed station 5, load Disk 6, block 7, transmission shaft 8, angular contact ball bearing 9, yielding coupling 10 and motor 11, wherein shell 4 is cavity body structure, is driven Dynamic source and transmission parts are respectively positioned in the cavity of shell 4;Driving source includes motor 11, and transmission parts include transmission shaft 8, angular contact Ball bearing 9 and shaft coupling 10, moving component are loading disk 6 and block 7.
The bottom of shell 4 is equipped with flange 13, and the circumferential direction of the flange 13 is uniformly distributed there are six counter sink, and shell 4 passes through flange 13 On counter sink connect with pedestal or ground.It is equipped with aperture 12 along short transverse on the side wall of shell 4, it is (i.e. electric for electric appliance Machine 11) cabling and yielding coupling 10 installation.The top of shell 4 is threaded with protective cover 1, forms vertical structure centrifugation Machine, movement chain direction are vertical direction;Protective cover 1 is machined with internal screw thread, screws with the top for being machined with externally threaded shell 4. Loading disk 6 and block 7 are placed in protective cover 1, are closed, are played a protective role by protective cover 1.
Motor 11 and yielding coupling 10 are respectively positioned in shell 4.Transmission shaft 8 by angular contact ball bearing 9 be rotatablely installed in In shell 4, pass through angular contact ball bearing 9 in the upper and lower ends of transmission shaft 8 and support, the two angular contact ball bearings 9 are placed in In the inner cavity of shell 4, axle sleeve 3 is equipped between upper and lower two angular contact ball bearings 9, upper and lower two angular contact ball bearings 9 pass through axis 3 positioning of set.There are gap 14 between axle sleeve 3 and transmission shaft 8, which is provided with what diagonal contact ball bearing 9 was lubricated Lubricating grease.The bearing (ball) cover 2 that is mounted on shell 4 is equipped with positioned at the top of the angular contact ball bearing 9 of upper end, bearing (ball) cover 2 In the outside of 4 open top end of shell, the open end of bearing (ball) cover 2 is compressed;The circumferential direction of bearing (ball) cover 2 is uniformly distributed, and there are six countersunk heads Hole, the top of shell 4 are corresponding with six circumferentially uniformly distributed threaded holes, and the two is connected by screw to.Shell 4 places a pair of of angular contact The inner cavity of ball bearing 9 is equipped with seam allowance, and the outer ring of angular contact ball bearing 9 is blocked by the seam allowance and bearing (ball) cover 2 of 4 inner cavity of shell, The inner ring of angular contact ball bearing 9 is blocked by the outer rim of the shaft shoulder and block 7 on transmission shaft 8.
The input terminal of transmission shaft 8 by the output axis connection of yielding coupling 10 and motor 11, the output end of transmission shaft 8 and The lower part of block 7 is connected, and the top of the block 7 is connect with loading disk 6.
As shown in Figures 2 and 3, the upper and lower surfaces of block 7 are all provided with fluted seam allowance, the lower surface of loading disk 6 and transmission The output end of axis 8 is respectively equipped with raised seam allowance, and the groove seam allowance of the raised seam allowance on the loading disk 6 and 7 upper surface of block cooperates Grafting;Loading disk 6 and block 7 have circumferentially been evenly distributed with three mounting holes 15.Under the raised seam allowance and block 7 of 8 output end of transmission shaft The groove seam allowance on surface cooperates grafting, and the output end of transmission shaft 8 has been evenly distributed with three threaded holes, respectively with three mounting holes 15 1 One is corresponding, and loading disk 6, block 7 and transmission shaft 8 are connected by screw to.When loading disk 6 and block 7 are not installed, each component will not go out Existing play, can test supercentrifuge no-load performance.Installation load disk 6 and block 7 can test supercentrifuge driving Load performance.
As shown in Figures 2 and 4, motor fixed station 5 is equipped in the inner cavity of shell 4, which is annular shape, electricity The circumferencial direction of machine fixed station 5 is axially and radially being uniformly provided with multiple (the present embodiment is six) threaded holes respectively, adjacent Pitch of holes is 30 °, and the axial threaded hole uniformly opened up is connect with motor 11, and the radially uniform threaded hole opened up is fixed by screw In the inner cavity of shell 4.
The axial centre of the output shaft of motor 11 of the invention, yielding coupling 10, transmission shaft 8, block 7 and loading disk 6 Line is conllinear.
The operation principle of the present invention is that:
Motor 11 is the driving source of supercentrifuge, can be adjusted the speed that (maximum speed can be with by driver to motor 11 Reach 1W per minute to turn).The output shaft of motor 11 is connect with yielding coupling 10, and yielding coupling 10 is connect with transmission shaft 8 again, To transfer the motion to transmission shaft 8.The upper and lower ends of transmission shaft 8 are supported by a pair of of angular contact ball bearing 9, angular contact ball bearing 9 are lubricated using lubricating grease, significantly reduce pivoting friction and bearing wear.Transmission shaft 8, block 7 and loading disk 6 pass through Seam allowance cooperation, ensure that concentricity.When centrifuge runs at high speed, exciting force caused by rotor unbalance is small, to reduce The shock of eccentric diagonal contact ball bearing 9, makes centrifuge when running at high speed, vibration and noise are effectively reduced.
For centrifuge of the invention in unloaded and bringing onto load disk 6, when revolving speed increases cause high speed by the slow-speed of revolution, centrifuge is at three The vibratory output in direction, bearing wear amount and heat are very small, it can be achieved that high speed, long-time stable Positive rotational.

Claims (10)

1. a kind of minitype vertical type supercentrifuge, it is characterised in that: including shell (4), loading disk (6), block (7), transmission shaft (8), yielding coupling (10) and motor (11), wherein motor (11) and yielding coupling (10) are respectively positioned in shell (4), described In shell (4), the input terminal of the transmission shaft (8) passes through the yielding coupling (10) and motor for transmission shaft (8) rotational installation (11) output end of output axis connection, the transmission shaft (8) is connected with the lower part of block (7), the top of the block (7) and institute State loading disk (6) connection;The motor (11) passes through yielding coupling (10) and transmission shaft (8) driving block (7) and loading disk (6) it rotates.
2. minitype vertical type supercentrifuge according to claim 1, it is characterised in that: the transmission shaft (8) passes through corner connection It touches ball bearing (9) rotational installation and in shell (4), passes through the angular contact ball bearing (9) in the upper and lower ends of transmission shaft (8) It supports, is equipped with axle sleeve (3) between upper and lower two angular contact ball bearings (9), upper and lower two angular contact ball bearings (9) pass through the axis Cover (3) positioning.
3. minitype vertical type supercentrifuge according to claim 2, it is characterised in that: the angular contact ball positioned at upper end The top of bearing (9) is equipped with the bearing (ball) cover (2) being mounted on shell (4), and the outer ring of angular contact ball bearing (9) passes through shell (4) seam allowance and bearing (ball) cover (2) of inner cavity block, and the inner ring of angular contact ball bearing (9) passes through the shaft shoulder on the transmission shaft (8) And the outer rim of block (7) is blocked.
4. minitype vertical type supercentrifuge according to claim 2, it is characterised in that: the axle sleeve (3) and transmission shaft (8) Between there are gap (14), which is provided with the lubricating grease that diagonal contact ball bearing (9) is lubricated.
5. minitype vertical type supercentrifuge according to claim 1, it is characterised in that: the shell (4) is cavity body structure, The aperture (12) for electric appliance cabling is equipped with along short transverse on the side wall of shell (4).
6. minitype vertical type supercentrifuge according to claim 1, it is characterised in that: the top screw thread of the shell (4) It is connected with protective cover (1), the loading disk (6) and block (7) are placed in protective cover (1).
7. minitype vertical type supercentrifuge according to claim 1, it is characterised in that: two table up and down of the block (7) Face is all provided with fluted seam allowance, and the lower surface of the loading disk (6) and the output end of transmission shaft (8) are respectively equipped with raised seam allowance, should The groove seam allowance of raised seam allowance and the block (7) upper surface on loading disk (6) cooperates grafting, transmission shaft (8) output The raised seam allowance at end and the groove seam allowance of block (7) lower surface cooperate grafting.
8. minitype vertical type supercentrifuge according to claim 1, it is characterised in that: set in the inner cavity of the shell (4) There are motor fixed station (5), which is annular shape, and the circumferencial direction of the motor fixed station (5) is in axial direction and diameter To multiple threaded holes are uniformly provided with respectively, the axial threaded hole uniformly opened up is connect with the motor (11), radially uniform to open If threaded hole be fixed by screws in the inner cavity of the shell (4).
9. minitype vertical type supercentrifuge according to claim 1, it is characterised in that: the output shaft of the motor (11), Yielding coupling (10), transmission shaft (8), the longitudinal center line of block (7) and loading disk (6) are conllinear.
10. minitype vertical type supercentrifuge according to claim 1, it is characterised in that: the bottom of the shell (4) is equipped with Flange (13), the shell (4) are connect by the flange (13) with pedestal or ground.
CN201811533999.0A 2018-12-14 2018-12-14 A kind of minitype vertical type supercentrifuge Pending CN109395894A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811533999.0A CN109395894A (en) 2018-12-14 2018-12-14 A kind of minitype vertical type supercentrifuge
PCT/CN2018/124098 WO2020118775A1 (en) 2018-12-14 2018-12-27 Small vertical high-speed centrifuge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811533999.0A CN109395894A (en) 2018-12-14 2018-12-14 A kind of minitype vertical type supercentrifuge

Publications (1)

Publication Number Publication Date
CN109395894A true CN109395894A (en) 2019-03-01

Family

ID=65459305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811533999.0A Pending CN109395894A (en) 2018-12-14 2018-12-14 A kind of minitype vertical type supercentrifuge

Country Status (2)

Country Link
CN (1) CN109395894A (en)
WO (1) WO2020118775A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2132564Y (en) * 1992-08-17 1993-05-12 沈太福 Efficience centrifugal machine
EP1043071A1 (en) * 1999-04-09 2000-10-11 Jean-Denis Rochat Apparatus for centrifuging liquids and use of the apparatus
CN101718635A (en) * 2009-12-08 2010-06-02 清华大学 Vertical seal test device
CN202991894U (en) * 2012-12-18 2013-06-12 华南理工大学 Rotation shaft for high speed precise fastening piece checkout equipment and fixing structure thereof
CN203484237U (en) * 2013-09-10 2014-03-19 诸城市浩天药业有限公司 Suspended centrifuge
CN203918605U (en) * 2014-05-29 2014-11-05 福建成功机床有限公司 A kind of vertical lathe propeller shaft couplings structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2132564Y (en) * 1992-08-17 1993-05-12 沈太福 Efficience centrifugal machine
EP1043071A1 (en) * 1999-04-09 2000-10-11 Jean-Denis Rochat Apparatus for centrifuging liquids and use of the apparatus
CN101718635A (en) * 2009-12-08 2010-06-02 清华大学 Vertical seal test device
CN202991894U (en) * 2012-12-18 2013-06-12 华南理工大学 Rotation shaft for high speed precise fastening piece checkout equipment and fixing structure thereof
CN203484237U (en) * 2013-09-10 2014-03-19 诸城市浩天药业有限公司 Suspended centrifuge
CN203918605U (en) * 2014-05-29 2014-11-05 福建成功机床有限公司 A kind of vertical lathe propeller shaft couplings structure

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Application publication date: 20190301

RJ01 Rejection of invention patent application after publication