CN110732682A - revolving body part balance compensation equipment and compensation method thereof - Google Patents

revolving body part balance compensation equipment and compensation method thereof Download PDF

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Publication number
CN110732682A
CN110732682A CN201911157454.9A CN201911157454A CN110732682A CN 110732682 A CN110732682 A CN 110732682A CN 201911157454 A CN201911157454 A CN 201911157454A CN 110732682 A CN110732682 A CN 110732682A
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clamp
revolving body
body part
parts
clamping block
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CN110732682B (en
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孙培禄
郭延超
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Shanxi Zhongzhou Electric Co ltd
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Yuncheng University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B25/00—Accessories or auxiliary equipment for turning-machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Balance (AREA)

Abstract

The invention provides revolving body part balance compensation equipment which comprises a lathe shaft, a faceplate, a clamp guide rail and a clamp mechanism, wherein the faceplate is fixed at the side end of the lathe shaft, a slide block is connected to the outer side of the clamp guide rail in a sliding manner, and the clamp mechanism is installed on the side surface of the slide block.

Description

revolving body part balance compensation equipment and compensation method thereof
Technical Field
The invention belongs to the technical field of balance of rotating body parts, and particularly relates to kinds of rotating body part balance compensation equipment and a compensation method thereof.
Background
However, in the practical application process, because various errors in the manufacturing and processing processes and the influence of impact, corrosion, abrasion or coking in the use process, the common rotor can generate unbalance phenomena, because the gravity center of the rotor can move in the rotation process due to the unbalance of the rotor, the radial vibration of the rotor can be generated in the rotation process, and the rotor and even the whole equipment can be subjected to unnecessary dynamic load, so that the normal operation and work of the rotor are not facilitated.
The existing dynamic balance correction method mainly comprises drilling, grinding, welding and weighting. However, these methods are complicated in the correction process, and usually require multiple times of grinding and calibration, and frequent grinding and calibration can reduce the surface quality of parts, and simultaneously make the weight removal precision difficult to control, etc., so that the efficiency and precision of the balance compensation of the revolving body parts are low, and normal use is affected.
Disclosure of Invention
The invention aims to solve the technical problem that kinds of balance compensation equipment for revolving body parts and a compensation method thereof are provided aiming at the defects of the prior art, so as to solve the problems that the existing dynamic balance correction method proposed in the background technology is mainly drilling, grinding, welding aggravation and the like, but the methods are complicated in the correction process, grinding and correction are usually needed for many times, the surface quality of the parts is reduced due to frequent grinding and correction, the weight removal precision is difficult to control and the like, and further the balance compensation efficiency and precision of the revolving body parts are low.
In order to solve the technical problem, the invention adopts the technical scheme that kinds of revolving body part balance compensation equipment comprises a lathe shaft, a disc chuck, a clamp guide rail and a clamp mechanism, wherein the disc chuck is fixed at the side end of the lathe shaft, the side surface of the disc chuck is fixedly connected with the clamp guide rail through a bolt, the outer side of the clamp guide rail is connected with a sliding block in a sliding manner, the side surface of the sliding block is provided with the clamp mechanism, and the side surface of the sliding block is also in threaded connection with a locking mechanism for locking between the sliding block and the clamp guide rail.
Preferably, the clamp mechanism comprises a fixed clamping block, a movable clamping block, clamp sliding rods and a clamp operating rod, the fixed clamping block is fixed to the side face of the sliding block, the two clamp sliding rods are symmetrically and fixedly arranged at the side end of the fixed clamping block, the movable clamping block is connected to the outer side of the clamp sliding rods in a sliding mode, the clamp operating rod is rotatably installed at the position, close to the movable clamping block, of the side face of the sliding block, and the clamp action of the movable clamping block on the rotary body is completed under the abutting pressure of the clamp operating rod.
Preferably, the locking mechanism comprises a self-locking screw and a friction plate, the self-locking screw is in threaded connection with the side end of the sliding block, the end part of the inner side end of the self-locking screw is fixedly provided with the friction plate, and the self-locking screw drives the friction plate to abut against the side surface of the clamp guide rail to complete the abutting locking action of the sliding block.
Preferably, the upper surface of the clamp guide rail is also provided with a graduated scale.
A compensation method of balancing compensation equipment for revolving parts, comprising the following steps:
s1, measuring through a dynamic balancing machine and calculating through measurement data to obtain a mass-diameter product required by the revolving body part to achieve dynamic balance;
s2, obtaining the eccentricity e of the revolving body part and the corresponding eccentricity e by using the calculation result in the S1 through a calculation program written by a computer;
s3, positioning and clamping the revolving body part through a clamp mechanism;
s4, moving the revolving body part on the clamping guide rail through the sliding block to enable the center of the revolving body part and the center of the lathe shaft to be staggered by an eccentricity e, then turning the lathe tool to machine an eccentric circle according to a given turning depth h, and completing balance compensation through asymmetry of the eccentric circle relative to the revolving body part.
Preferably, the eccentricity e is calculated by dividing the revolving body part into a th part, a second part, a third part and a fourth part by using two center lines of the revolving body part, then performing stress analysis on the parts respectively to establish a coordinate system, calculating an equivalent mass-path product of the four parts on the whole part in an integration manner, and recording the th part and the second partThe equivalent mass-diameter product of the four parts of the part, the third part and the fourth part to the whole part is respectively Z1、Z2、Z3And Z4Let Z be Z1+Z2+Z3+Z4An equation is established and then the eccentricity e is solved by computer software.
Preferably, in S3, the unbalanced point of the revolving body component is obtained through the test and calculation of the dynamic balancer, and then the unbalanced point of the revolving body component and the positioning line on the V-block of the fixed clamping block are collinear through the T-shaped ruler, so that the positioning of the revolving body component can be completed.
Compared with the prior art, the invention has the following advantages:
the invention firstly obtains the eccentricity required by the revolving body part through the measurement of the dynamic balancing machine and the calculation of the computer program, then carries out the positioning, clamping and eccentricity adjustment of the revolving body part through the revolving body part fixed by the clamp mechanism, converts the unbalance amount of the revolving body part into the eccentricity, and completes the balance compensation through times of processing.
Drawings
FIG. 1 is a schematic view of an embodiment of the apparatus of the present invention prior to turning;
FIG. 2 is a schematic view of a turned structure of an example of the apparatus of the present invention;
FIG. 3 is a four-part sectional view of a convolute member of the present invention;
FIG. 4 is a schematic view of the fixture mechanism of the present invention installed;
FIG. 5 is a schematic view of the structural connection of the jig guide rail and the slider in the present invention;
FIG. 6 is a schematic diagram of a coordinate system according to an embodiment of the present invention.
Description of reference numerals:
1-lathe shaft, 2-chuck, 3-clamp guide rail, 4-turning tool, 5-revolving body part, 6-clamp mechanism, 61-fixed clamp block, 62-movable clamp block, 63-clamp slide bar, 64-clamp operating rod, 71-self-locking screw, 72-friction plate, 8- th part, 9-second part, 10-third part and 11-fourth part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
As shown in figures 1, 2, 4 and 5, the invention provides technical solutions, wherein the balancing compensation equipment for revolving body parts comprises a lathe shaft 1, a faceplate 2, a clamp guide rail 3 and a clamp mechanism 6, the faceplate 2 is fixed at the side end of the lathe shaft 1, the clamp guide rail 3 is fixedly connected to the side surface of the faceplate 3 through a bolt, a graduated scale is further arranged on the clamp guide rail 3, the determination of the moving distance of a sliding block is completed through the graduated scale, and the adjustment of the eccentricity e is facilitated.
The side surface of the sliding block is further in threaded connection with a locking mechanism used for locking between the sliding block and the clamp guide rail 3, the locking mechanism comprises a self-locking screw 71 and a friction plate 72, the self-locking screw 71 is in threaded connection with the side end of the sliding block, the friction plate 72 is fixed at the end part of the inner side end of the self-locking screw 71, and the self-locking screw 71 drives the friction plate 72 to abut against the side surface of the clamp guide rail 3 to complete abutting and locking effects of the sliding block.
The outside sliding connection of anchor clamps guide rail 3 has the slider, the side-mounting of slider has anchor clamps mechanism 6, anchor clamps mechanism 6 is including deciding clamp splice 61, moving clamp splice 62, anchor clamps slide bar 63 and anchor clamps action bars 64, decide clamp splice 61 to fix the side of slider, the fixed of side symmetry of deciding clamp splice 61 is provided with two anchor clamps slide bar 63, move clamp splice 62 sliding connection be in the outside of anchor clamps slide bar 63, the side of slider is close to the position rotation that moves clamp splice 62 and installs anchor clamps action bars 64 the support of anchor clamps action bars 64 is accomplished down the clamp action of moving clamp splice 62 to the body of circling 5.
The compensation method of the balance compensation equipment for the revolving body part comprises the following steps:
s1, measuring through a dynamic balancing machine and calculating through measurement data to obtain a mass-diameter product required by the revolving body part to achieve dynamic balance;
s2, obtaining the rotating body part and the corresponding eccentricity e of the rotating body part by utilizing a calculation program written by a computer according to the calculation result in the S1, dividing the rotating body part into four parts, namely a part 8, a second part 9, a third part 10 and a fourth part 11 by utilizing two center lines of the rotating body part, then respectively carrying out stress analysis on the four parts, establishing a coordinate system, calculating the equivalent mass-diameter product of the four parts on the whole part in an integral mode, and recording the equivalent mass-diameter product of the four parts, namely the part 8, the second part 9, the third part 10 and the fourth part 11, on the whole part as Z1、Z2、Z3And Z4Let Z be Z1+Z2+Z3+Z4Establishing an equation, solving the eccentricity e through computer software,
as shown in fig. 3, the two-circle equation is easily obtained from mathematical knowledge:
Figure BDA0002285180570000061
namely:
Figure BDA0002285180570000062
wherein r is the radius of the eccentric circle;
the abscissa of the intersection of the two circles is
Figure BDA0002285180570000063
ds＝edx
dv＝ehdx
dm＝ehρdx
Wherein s is the area; v is volume; m is mass; h is the height of the added material; rho is the material density;
therefore, the vertical component of dmr is:
in the formula, theta is the included angle formed by the diameter loss at the centroid of the micro-segment and the x axis
Handle
Figure BDA0002285180570000065
In that
Figure BDA0002285180570000066
The upper integration results in the effective mass-diameter product, denoted as z, produced by part , part 81。
Therefore, the first and second electrodes are formed on the substrate,
Figure BDA0002285180570000071
the method can be obtained by a trigonometric substitution method:
x＝r*sin t
Figure BDA0002285180570000072
dx＝r*cos tdt
Figure BDA0002285180570000073
Figure BDA0002285180570000075
therefore, the first and second electrodes are formed on the substrate,
Figure BDA0002285180570000076
because of the fact that
Figure BDA0002285180570000077
And cost is inInternal is not negative.
Therefore, it is not only easy to use
Figure BDA0002285180570000079
Because of this, it is possible to reduce the number of the,
Figure BDA0002285180570000081
therefore, the first and second electrodes are formed on the substrate,
Figure BDA0002285180570000082
Figure BDA0002285180570000083
Figure BDA0002285180570000084
therefore, the first and second electrodes are formed on the substrate,
Figure BDA0002285180570000085
for areas outside the th part 8, this can be solved in the coordinate system as in figure 6,
as shown in the coordinate system of fig. 6, it is easy to know that the equation of this circle is:
Figure BDA0002285180570000086
the area of the shaded portion is therefore:
Figure BDA0002285180570000087
the triangle is replaced by:
x＝r sin t
dx＝r cos tdt
Figure BDA0002285180570000091
Figure BDA0002285180570000092
therefore, the first and second electrodes are formed on the substrate,
Figure BDA0002285180570000094
v2＝s2h
m2＝s2hρ
therefore, the vertical component z of the mass-diameter product generated by the parts other than the -th part 82Comprises the following steps:
Figure BDA0002285180570000095
therefore, the total effective mass-diameter product z is:
Figure BDA0002285180570000096
let Z be equal to the mass-diameter product Z of the th part 8 required to bring the rotor to equilibrium1Sequentially adding Z of the second part 92The third part 10 is Z3And Z of the fourth portion 114Calculating, then obtaining e through Matlab calculation,
s3, positioning and clamping the revolving body part through a clamp mechanism, specifically, obtaining an unbalanced point of the revolving body part through testing and calculation of a dynamic balancing machine, and then enabling the unbalanced point of the revolving body part to be collinear with a positioning line on a V-shaped block of the fixed clamping block 61 through a T-shaped ruler, so that the revolving body part can be positioned;
s4, moving the revolving body part on the clamping guide rail through the sliding block to enable the center of the revolving body part and the center of the lathe shaft to be staggered by an eccentricity e, then turning the lathe tool to machine an eccentric circle according to a given turning depth h, and completing balance compensation through asymmetry of the eccentric circle relative to the revolving body part.
It is noted that, herein, relational terms such as , second, and the like are used solely to distinguish entities or operations from another entities or operations without necessarily requiring or implying any actual such relationship or order between such entities or operations, further, the terms "comprise," "include," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

  1. The balancing compensation equipment for the revolved body part comprises a lathe shaft (1), a disc chuck (2), a clamp guide rail (3) and a clamp mechanism (6), wherein the disc chuck (2) is fixed at the side end of the lathe shaft (1), and the side face of the disc chuck (2) is fixedly connected with the clamp guide rail (3) through a bolt.
  2. 2. type revolving body part balance compensation equipment according to claim 1, characterized in that, the clamp mechanism (6) includes a fixed clamping block (61), a movable clamping block (62), a clamp slide rod (63) and a clamp operating rod (64), the fixed clamping block (61) is fixed on the side of the slide block, two clamp slide rods (63) are symmetrically fixed on the side of the fixed clamping block (61), the movable clamping block (62) is connected outside the clamp slide rods (63) in a sliding manner, the clamp operating rod (64) is installed on the side of the slide block close to the position of the movable clamping block (62) in a rotating manner, and the clamping action of the movable clamping block (62) on the revolving body (5) is completed under the pressing of the clamp operating rod (64).
  3. 3. The kind of solid of revolution part balance compensation equipment of claim 1, characterized in that, the locking mechanism includes self-locking screw (71) and friction disc (72), the side end of the slider is connected to the screw thread of self-locking screw (71), the end of inboard end of self-locking screw (71) is fixed with friction disc (72), self-locking screw (71) drive friction disc (72) to support and accomplish the support and press locking effect of slider position at the side of the clamp guide rail (3).
  4. 4. The kinds of solid of revolution part balance compensation equipment of claim 1, characterized in that, the clamp guide rail (3) is also provided with a graduated scale on it.
  5. 5. The compensation method of any rotor part balance compensation equipment of claims 1-4, comprising the steps of:
    s1, measuring through a dynamic balancing machine and calculating through measurement data to obtain a mass-diameter product required by the revolving body part to achieve dynamic balance;
    s2, obtaining the eccentricity e of the revolving body part and the corresponding eccentricity e by using the calculation result in the S1 through a calculation program written by a computer;
    s3, positioning and clamping the revolving body part through a clamp mechanism;
    s4, moving the revolving body part on the clamping guide rail through the sliding block to enable the center of the revolving body part and the center of the lathe shaft to be staggered by an eccentricity e, then turning the lathe tool to machine an eccentric circle according to a given turning depth h, and completing balance compensation through asymmetry of the eccentric circle relative to the revolving body part.
  6. 6. The method for compensating the kind of balancing and compensating equipment of revolved body parts, according to claim 5, characterized in that the eccentricity e is calculated by dividing the revolved body parts into four parts, namely, the part (8), the second part (9), the third part (10) and the fourth part (11), using the two center lines of the revolved body parts, then performing stress analysis on the four parts respectively, establishing a coordinate system, calculating the equivalent mass-diameter product of the four parts to the whole part by means of integration, and recording the equivalent mass-diameter product of the four parts, namely, the part (8), the second part (9), the third part (10) and the fourth part (11), to the whole part as Z1、Z2、Z3And Z4Let Z be Z1+Z2+Z3+Z4An equation is established and then the eccentricity e is solved by computer software.
  7. 7. The compensation method of kinds of balance compensation equipment for revolved body parts according to claim 5, wherein in S3, the location of revolved body parts can be completed by obtaining the unbalanced point of revolved body parts through the test and calculation of a dynamic balancer and then by making the unbalanced point of revolved body parts and the location line on the V-shaped block of the fixed clamping block (61) be collinear through a T-shaped ruler.
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Publication number Priority date Publication date Assignee Title
SU933286A1 (en) * 1980-06-08 1982-06-07 Предприятие П/Я А-1923 Apparatus for working eccentric parts
CN1521422A (en) * 2003-02-14 2004-08-18 重庆大学 Precise positioning method for balancing weight in rotor balancing
CN101110093A (en) * 2007-04-27 2008-01-23 四川绵竹鑫坤机械制造有限责任公司 Crankshaft dynamic balance design method
CN202462024U (en) * 2012-03-07 2012-10-03 西安重装蒲白煤矿机械有限公司 Lathe for controlling static unbalance in process of processing turnabout drum
CN203343773U (en) * 2013-07-06 2013-12-18 陕西理工学院 Novel milling sleeve end surface fixture
CN203751763U (en) * 2014-03-20 2014-08-06 河海大学 Locating clamp for machining of milling machine
CN105880656A (en) * 2015-01-06 2016-08-24 江燕 Adjustable eccentric chuck
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SU933286A1 (en) * 1980-06-08 1982-06-07 Предприятие П/Я А-1923 Apparatus for working eccentric parts
CN1521422A (en) * 2003-02-14 2004-08-18 重庆大学 Precise positioning method for balancing weight in rotor balancing
CN101110093A (en) * 2007-04-27 2008-01-23 四川绵竹鑫坤机械制造有限责任公司 Crankshaft dynamic balance design method
CN202462024U (en) * 2012-03-07 2012-10-03 西安重装蒲白煤矿机械有限公司 Lathe for controlling static unbalance in process of processing turnabout drum
CN203343773U (en) * 2013-07-06 2013-12-18 陕西理工学院 Novel milling sleeve end surface fixture
CN203751763U (en) * 2014-03-20 2014-08-06 河海大学 Locating clamp for machining of milling machine
CN105880656A (en) * 2015-01-06 2016-08-24 江燕 Adjustable eccentric chuck
CN106119934A (en) * 2016-08-26 2016-11-16 大连大学 Part electrochemical machining apparatus
CN206227039U (en) * 2016-12-01 2017-06-09 王燕平 A kind of flexible picker for being easy to pluck jujube
CN208443527U (en) * 2018-07-25 2019-01-29 芜湖通力电机有限责任公司 A kind of rotor dynamic balance testing device

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Effective date of registration: 20221230

Address after: No. 12, Wangbo Road, Yuncheng Economic and Technological Development Zone, Yuncheng City, Shanxi Province 044031

Patentee after: Shanxi Zhongzhou Electric Co.,Ltd.

Address before: 044000 No. 1155 Fudan West Street, Yanhu District, Yuncheng City, Shanxi Province

Patentee before: YUNCHENG University