CN113465918A - High-speed electric main shaft test bench - Google Patents
High-speed electric main shaft test bench Download PDFInfo
- Publication number
- CN113465918A CN113465918A CN202110715842.5A CN202110715842A CN113465918A CN 113465918 A CN113465918 A CN 113465918A CN 202110715842 A CN202110715842 A CN 202110715842A CN 113465918 A CN113465918 A CN 113465918A
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- Prior art keywords
- positioning
- squirrel cage
- speed
- platform base
- dynamometer
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 241000555745 Sciuridae Species 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
- G01L3/242—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity by measuring and simultaneously multiplying torque and velocity
Abstract
The invention discloses a high-speed motorized spindle test bench which comprises a platform base, a positioning squirrel cage arranged on the platform base, a detection assembly arranged in the positioning squirrel cage, a dynamometer arranged on the left side of the positioning squirrel cage and a flange positioning ring arranged on the right side of the positioning squirrel cage, wherein the platform base is provided with a positioning squirrel cage; the dynamometer machine and the flange positioning ring are arranged in the same axis direction, the flange connecting piece and the handle connecting rod which are relatively simple to manufacture are replaced and manufactured in the technical scheme, the installation requirement of the electric main shaft can be matched with different electric main shafts for testing and installing, fine centering is achieved through zero transmission, good centering performance is achieved through the positioning squirrel cage with high precision, installation, positioning and maintenance are convenient, the pressing plate is additionally arranged on the threaded hole of the V-shaped block, shaking of the electric main shaft is prevented, vibration is transmitted to the platform base through the V-shaped block, and the stability of the detection platform is greatly enhanced.
Description
Technical Field
The invention relates to the field of mechanical test equipment, in particular to a high-speed motorized spindle test bench.
Background
The working performance of the high-speed electric spindle system is firstly determined by the performance of the high-speed spindle, the high-speed electric spindle unit of the numerical control machine tool influences the precision, the stability and the application range of the processing system, and the power performance and the stability of the high-speed electric spindle unit play a key role in high-speed processing. However, in the key technical problem of the dynamic characteristic and the loading test method of the high-speed electric spindle, a better test scheme is not available, and aiming at the performance test of the current electric spindle, in the test process, due to different input torques, the electric spindle has larger vibration in operation, meanwhile, the centering property, the installation positioning, the maintenance and the like of the electric spindle are factors needing to be comprehensively considered, and the existing test platform is difficult to meet the requirements of comprehensive use.
In order to solve the above problems, a high-speed motorized spindle testing stand needs to be designed to solve the above problems.
Disclosure of Invention
In view of this, through changing among this technical scheme and making simple relatively flange joint spare and handle of a knife connecting rod can the adaptation and the electric main shaft test installation requirement of difference, realize fine centering through zero transmission to location squirrel cage through the precision is high has realized good centering performance, and installation, location, easy maintenance, the screw hole of V type piece increases the clamp plate and fixes, prevents the shake of electric main shaft, and in will vibrating the transmission for the platform base through the V type piece, very big reinforcing testing platform's stability can.
A high-speed electric spindle test bench comprises a platform base, a positioning squirrel cage arranged on the platform base, a detection assembly arranged in the positioning squirrel cage, a dynamometer arranged on the left side of the positioning squirrel cage and a flange positioning ring arranged on the right side of the positioning squirrel cage; the dynamometer and the flange positioning ring are arranged in the same axial direction.
Furthermore, the detection assembly comprises a base plate fixedly installed in the positioning squirrel cage, a torque and rotation speed detector arranged on the base plate, a driving high-speed coupler arranged on the left side of the torque and rotation speed detector and an output high-speed coupler arranged on the right side of the torque and rotation speed detector.
Further, dynamometer fixed connection is in location squirrel cage side, the output of dynamometer with drive high-speed shaft coupling connects the setting, output high-speed shaft coupling right-hand member fixed connection is provided with and is used for the handle of a knife connecting rod that uses with the cooperation of electricity main shaft.
Further, a positioning ring groove used for positioning and installing the electric spindle is formed in the flange positioning ring, the handle connecting rod comprises a coupling connecting section, an electric spindle connecting section and a heat dissipation section, and a heat dissipation opening and a heat dissipation hole are formed in the heat dissipation section.
Further, the number of the heat dissipation openings and the number of the heat dissipation holes are two; the electric spindle connecting section is provided with an annular positioning groove, and the electric spindle mounting section is provided with a limiting clamping groove matched and positioned with the electric spindle along the axis direction.
Furthermore, a positioning support lug used for being installed with the platform base in a matched mode is formed at the bottom of the positioning mouse cage, and a mouse cage opening used for installing the inferior force gram plate is formed in the positioning mouse cage.
Furthermore, a V-shaped support frame for supporting the dynamometer is arranged on the platform base, and a T-shaped groove for installing the V-shaped support frame is formed in the platform base.
Furthermore, the V-shaped support frame comprises an inverted T-shaped mounting support leg and two support arms arranged on the mounting support leg, and an arc-shaped groove is formed between the two support arms.
Further, a second support frame used for supporting the electric spindle is arranged on the platform base, and the second support frame is the same as the V-shaped support frame in structure.
The invention has the beneficial effects that:
universality: the flange connecting piece and the tool shank connecting rod which are relatively simple to manufacture are replaced and can be adapted to different electric spindle testing and mounting requirements.
The centering performance is good: good centering is achieved through zero transmission, and good centering performance is achieved through a high-precision positioning squirrel cage.
Installation, location, easy maintenance: the torque and rotation speed sensor can be easily mounted and dismounted by removing the upper glass plate and the front and rear steel plates. Meanwhile, the upper acrylic plate at the top can also meet the requirement of the mouse cage internal illumination exploration.
Vibration resistance: the pressing plate can be added through the threaded hole of the V-shaped support frame to fix, so that the electric spindle is prevented from shaking, and vibration can be transmitted to the platform base with good vibration absorption through the V-shaped support frame.
Dustproof and high security: the dustproof structure can realize the dustproof of the interior through the front and the back steel plates and can also prevent the hidden trouble caused by high-speed scraps.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a "V" shaped support of the present invention;
FIG. 4 is a schematic view of the positioning squirrel cage of the present invention;
FIG. 5 is a schematic view of the structure of the connecting rod of the knife handle of the present invention.
Detailed Description
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is an exploded view of the present invention; FIG. 3 is a schematic view of a "V" shaped support of the present invention; FIG. 4 is a schematic view of the positioning squirrel cage of the present invention; FIG. 5 is a schematic view of a connecting rod structure of the tool holder of the present invention; as shown in the figure, the high-speed motorized spindle test bench comprises a platform base 7, a positioning squirrel cage arranged on the platform base 7, a detection assembly arranged in the positioning squirrel cage 3, a dynamometer 2 arranged at the left side (namely the horizontal leftward direction in fig. 1) of the positioning squirrel cage 3, and a flange positioning ring 5 arranged at the right side of the positioning squirrel cage; the dynamometer and the flange positioning ring are arranged in the same axial direction; through changing among this technical scheme and making simple relatively flange joint spare and handle of a knife connecting rod can the adaptation and the electric main shaft test installation requirement of difference, realize fine centering through zero transmission, and realized good centering performance through the high location squirrel cage of precision, the installation, the location, easy maintenance, the screw hole of V type piece increases the clamp plate and fixes, prevent the shake of electric main shaft, and in will vibrating the transmission for the platform base through V type piece, very big reinforcing testing platform's stability can.
In this embodiment, the detecting assembly includes a backing plate 12 fixedly installed in the positioning cage, a torque and rotation speed detector 9 disposed on the backing plate 12, a driving high-speed coupler 8 disposed on the left side of the torque and rotation speed detector 9, and an output high-speed coupler 13 disposed on the right side of the torque and rotation speed detector 9. The driver drives the dynamometer 2 to rotate, the output high-speed coupler 10 transmits the torque to the torque and rotation speed detector 9 and records the torque, power is transmitted to the tested electric spindle 6 through the output high-speed coupler 13 and the cutter handle connecting rod 11, various working conditions such as normal operation, idling and sudden stop of the tested electric spindle 6 are achieved through the motion input by the driver, and meanwhile, the measurement and recording of the characteristics of the electric spindle are achieved through the temperature sensors and the acceleration sensors on the dynamometer 2 and the tested electric spindle 6.
In this embodiment, dynamometer 2 fixed connection is in location squirrel cage side, dynamometer 2's output with drive high speed shaft coupling 10 is connected and is set up, output high speed shaft coupling right-hand member fixed connection is provided with and is used for the handle of a knife connecting rod 11 with electric main shaft cooperation use. The dynamometer 2 realizes axial positioning through the flange end face and the left plane of the positioning squirrel cage, realizes shaft hole connection through the front end face of the flange and the left end face center hole of the positioning squirrel cage to realize circumferential positioning, and carries out thread tightening connection through the threaded hole of the flange face; the output shaft of dynamometer machine and drive end high-speed coupling realize rising tight registrates to can realize the connection of a certain axle depth scope, can overcome certain axial float, dynamometer machine 2 is as power input end, realizes the control regulation to different detection states, and handle of a knife connecting rod 11 is convenient for realize the output to power, ensures to be detected the stable form of piece operation, promotes the detection data accuracy of product.
In this embodiment, a positioning ring groove for positioning and installing the electric spindle 6 is formed in the flange positioning ring 5, the handle connecting rod 11 includes a coupling connecting section 110, an electric spindle connecting section 112, and a heat dissipation section 114, and the heat dissipation section is provided with a heat dissipation opening 115 and a heat dissipation hole 113. The electric spindle 6 is positioned and installed through the flange positioning ring 5, and then is installed in a matching mode through the tool shank connecting rod 11, and the number of the heat dissipation openings 115 and the number of the heat dissipation holes 113 are two; the electric spindle connecting section 112 is provided with an annular positioning groove, and the electric spindle mounting section is provided with a limiting clamping groove 111 matched and positioned with the electric spindle along the axis direction. The coupler connecting section 110 is used for matching with a coupler to be positioned and installed, the protruding part of the electric spindle is aligned and installed through an annular positioning groove formed in the electric spindle connecting section 112 and a limiting clamping groove 111, the stability of installation of the electric spindle is guaranteed, meanwhile, in the heat dissipation section, the heat dissipation section can be machined to have certain taper and is 3-6 degrees with the horizontal axis direction, when the heat dissipation section continuously detects work, heat generated by the heat dissipation section can flow out through two heat dissipation holes and a heat dissipation opening, and the heat dissipation opening 115 is of a trapezoidal structure.
In this embodiment, a positioning lug 31 for being installed in a matching manner with the platform base is formed at the bottom of the positioning squirrel cage 3, and a squirrel cage opening for installing the ya keli plate is formed in the positioning squirrel cage 3. The trompil has all been seted up to location squirrel cage 3 in circumference and top, and the opening of two circular structures is convenient for install the detection piece, and the inferior gram board 4 is installed to the opening part of upper surface, is convenient for observe the inside condition, and circumference direction installation steel sheet can realize inside dustproof, also can prevent the hidden danger that high-speed piece brought simultaneously.
In this embodiment, the platform base is provided with a V-shaped support frame 1 for supporting the dynamometer, and the platform base is provided with a T-shaped groove for mounting the V-shaped support frame. The V-shaped support frame 1 comprises an inverted T-shaped mounting foot 101 and two support arms 102 arranged on the mounting foot, wherein an arc-shaped slot 103 is formed between the two support arms. Many T type grooves have been seted up along length direction on the platform base 7, be convenient for realize the position control installation of support frame, installation stabilizer blade 101 and two support arms 102 adopt integrated into one piece's processing mode, ensure the structural strength of support frame, smooth transitional coupling forms arc wall 103 between two support arms 102, be convenient for install with dynamometer machine 2 cooperation, when the vibration problem probably appears in high-power electricity main shaft, can be through the screw hole of V type frame top surface, the cooperation clamp plate is with dynamometer machine further location installation on V type piece, prevent vibrating of vertical direction, further promote the stability ability of product.
In this embodiment, the platform base 7 is provided with a second support frame for supporting the electric spindle 6, and the second support frame has the same structure as the V-shaped support frame.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A high-speed motorized spindle test bench is characterized in that: the device comprises a platform base, a positioning squirrel cage arranged on the platform base, a detection assembly arranged in the positioning squirrel cage, a dynamometer arranged on the left side of the positioning squirrel cage and a flange positioning ring arranged on the right side of the positioning squirrel cage; the dynamometer and the flange positioning ring are arranged in the same axial direction.
2. The high-speed motorized spindle test rig according to claim 1, wherein: the detection assembly comprises a base plate fixedly installed in the positioning squirrel cage, a torque and rotating speed detector arranged on the base plate, a driving high-speed coupler arranged on the left side of the torque and rotating speed detector and an output high-speed coupler arranged on the right side of the torque and rotating speed detector.
3. The high-speed motorized spindle test rig according to claim 2, wherein: the dynamometer is fixedly connected to the side face of the positioning squirrel cage, the output end of the dynamometer is connected with the driving high-speed coupler, and the right end of the output high-speed coupler is fixedly connected with a knife handle connecting rod used for being matched with the electric spindle.
4. The high-speed motorized spindle test rig according to claim 3, wherein: the flange positioning ring is provided with a positioning ring groove for positioning and installing the electric spindle, the handle connecting rod comprises a coupling connecting section, an electric spindle connecting section and a heat dissipation section, and the heat dissipation section is provided with a heat dissipation opening and a heat dissipation hole.
5. The high-speed motorized spindle test rig according to claim 4, wherein: the number of the heat dissipation openings and the number of the heat dissipation holes are two; the electric spindle connecting section is provided with an annular positioning groove, and the electric spindle mounting section is provided with a limiting clamping groove matched and positioned with the electric spindle along the axis direction.
6. The high-speed motorized spindle test rig according to claim 1, wherein: the positioning squirrel cage is characterized in that a positioning support lug used for being matched with the platform base for installation is formed at the bottom of the positioning squirrel cage, and a squirrel cage opening used for installing an inferior gram plate is formed in the positioning squirrel cage.
7. The high-speed motorized spindle test rig according to claim 1, wherein: the platform base is provided with a V-shaped support frame for supporting the dynamometer, and the platform base is provided with a T-shaped groove for mounting the V-shaped support frame.
8. The high-speed motorized spindle test rig according to claim 7, wherein: the V-shaped support frame comprises an inverted T-shaped mounting support leg and two support arms arranged on the mounting support leg, and an arc-shaped groove is formed between the two support arms.
9. The high-speed motorized spindle test rig according to claim 8, wherein: the platform base is provided with a second support frame for supporting the electric spindle, and the second support frame is the same as the V-shaped support frame in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715842.5A CN113465918A (en) | 2021-06-24 | 2021-06-24 | High-speed electric main shaft test bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715842.5A CN113465918A (en) | 2021-06-24 | 2021-06-24 | High-speed electric main shaft test bench |
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| CN113465918A true CN113465918A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110715842.5A Pending CN113465918A (en) | 2021-06-24 | 2021-06-24 | High-speed electric main shaft test bench |
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|---|---|---|---|---|
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2021
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Application publication date: 20211001 |
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