CN109521220B - Testing method based on direct current motor rotor testing equipment - Google Patents
Testing method based on direct current motor rotor testing equipment Download PDFInfo
- Publication number
- CN109521220B CN109521220B CN201811397769.6A CN201811397769A CN109521220B CN 109521220 B CN109521220 B CN 109521220B CN 201811397769 A CN201811397769 A CN 201811397769A CN 109521220 B CN109521220 B CN 109521220B
- Authority
- CN
- China
- Prior art keywords
- driving
- direct current
- pushing
- motor rotor
- current motor
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000010998 test method Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 238000001746 injection moulding Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Manipulator (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a testing method based on direct current motor rotor testing equipment, which comprises a rack; the operation panel is positioned at the rear position of the left end above the rack; the characteristic mechanism is positioned on the right side of the operation panel; the electrical cabinet is positioned in the rack and right below the characteristic mechanism; and the pneumatic element is positioned inside the electrical cabinet. The characteristic mechanism comprises a workbench, and the workbench is positioned above the rack and on the right side of the operation panel; the driving mechanism is positioned at the left part above the workbench, a rotary encoder is arranged in the driving mechanism, and the rotary encoder is a 5-bit Gray code disc; and the pushing mechanism is positioned on the right side of the driving mechanism. The test method can be used for simultaneously and accurately testing the rotating speed and the position of the direct current motor rotor.
Description
Technical Field
The invention relates to the field of motor rotor testing, in particular to direct current motor rotor testing equipment and a testing method thereof.
Background
In mechanical equipment, the rotating speed of a motor is an important technical parameter, and corresponding applications of motors with different rotating speeds are different, so that the rotating speed of a motor rotor needs to be accurately measured, the quality of the motor rotor is ensured, and the motor rotor is applied to a direct current motor after being processed and produced in batches. In the prior art, a testing device for testing the rotating speed of the direct current motor rotor by technicians in the field is more traditional, and the rotating speed and the position of the direct current motor rotor cannot be tested simultaneously.
Disclosure of Invention
One of the objectives of the present invention is to provide a dc motor rotor testing apparatus, so as to solve the technical problem that the rotational speed and the position of the dc motor rotor cannot be simultaneously tested in the prior art.
The second objective of the present invention is to provide a testing method for testing equipment of a dc motor rotor, so as to simultaneously test the rotation speed and position of the dc motor rotor.
In order to achieve one of the purposes, the invention adopts the following technical scheme: a direct current motor rotor test device comprises a frame; the operation panel is positioned at the rear position of the left end above the rack; the characteristic mechanism is positioned on the right side of the operation panel; the electrical cabinet is positioned in the rack and right below the characteristic mechanism; and the pneumatic element is positioned inside the electrical cabinet. The characteristic mechanism comprises a workbench, and the workbench is positioned above the rack and on the right side of the operation panel; the driving mechanism is positioned at the left part above the workbench; and the pushing mechanism is positioned on the right side of the driving mechanism. The rack is built by adopting 40x40 aluminum profiles, the aluminum profiles are fixedly connected by adopting corner pieces, the fixing mode has higher strength and attractive appearance, and the rack is suitable for being used by automatic equipment; the workbench is fixed in the internal thread of the T-shaped nut in the notch of the aluminum section of the frame through a bolt. The operation panel is provided with a start button and an emergency stop button, if some unforeseen problems are encountered in the operation process, an operator can press the emergency stop button in time, and the loss caused by the operation errors of machines or personnel is avoided; the equipment is controlled by a PLC system and an operation panel is manually controlled.
Preferably, the driving mechanism comprises a driving main shaft which is in a left-right horizontal state and penetrates through the whole driving mechanism; the main spindle box is fixed on a motor base plate, and the motor base plate is arranged above the workbench through bolts; the main shaft box comprises three driving end plates which are parallel to each other, a driving bearing hole is formed in the center of each driving end plate, a driving bearing seat is arranged in each driving bearing hole, the driving main shaft penetrates through inner holes of the three driving bearing seats in an interference fit mode, and a driven wheel is arranged on the left side of each driving end plate and the left end of the driving main shaft through a flat key. And the driving bearing holes in the middle of the three driving end plates are simultaneously bored after the whole box body is installed, so that the concentricity of the three driving end plates is ensured.
More preferably, a synchronous motor is arranged right behind the driving main shaft, a driving wheel is arranged at the left end of the synchronous motor, and the driving wheel is connected with the driven wheel through a synchronous belt. When the synchronous motor works, the driving wheel and the driven wheel are driven to rotate, so that the driving main shaft is driven to rotate.
More preferably, the inner side of the left end of the driving spindle is provided with an internal thread, the internal thread is matched with an external thread of a driving connecting rod, one end of the driving connecting rod is fixedly connected with the driving spindle through the external thread, the other end of the driving connecting rod is connected with a driving coupler, the other end of the driving coupler is connected with an encoding bracket, and the encoding bracket is provided with a rotary encoder; the rotary encoder is a photoelectric code disc, when a fixed light source irradiates the photoelectric code disc, a photosensitive element can be used for receiving light, the number of times of receiving the light is the number of codes of the photoelectric code disc, if the number of the codes is l, the measuring time is t, and the measured pulse number is N, the rotating speed N is (N/t l) 60, and the program is written into a computer control system to realize the test of the rotating speed of the DC motor rotor; the photoelectric code disc adopts a 5-bit Gray code type code disc, 5 photoelectric elements are fixed on the same horizontal line by the photoelectric code disc to detect 5 loops of the code disc, a light-transmitting part is conducted by a phototriode, the photoelectric code disc outputs five-bit binary numbers in parallel, the low 4-bit output frequency of the photoelectric code disc is reduced by 1/2 in sequence, the 5-bit output frequency is the same as the 4-bit output frequency, but the phase difference is 90 degrees, only one of the five-bit binary numbers output in parallel at adjacent positions is changed, the rotor rotates for a circle, the code disc outputs 32 numbers, the space angle equivalent to one circle of the rotor is 32 equal divisions, each equal division uses the five-bit binary number to code and represent the space position of the rotor, and the program is input into a computer control system to realize the detection of the actual position.
More preferably, the right end of the driving spindle is provided with external threads, the driving spindle is fixedly connected with a connecting block through the external threads, the right end of the connecting block is provided with a pneumatic three-jaw chuck, a direct current motor rotor is arranged on the right side of the pneumatic three-jaw chuck, and a magnetic ring arranged at the right end of the direct current motor rotor is an injection molding magnetic ring. The injection molding magnetic ring sends signals to the Hall element, the Hall element receives corresponding signals to detect the rotating speed and the position of the direct current motor rotor, and the injection molding magnetic ring improves the testing precision of the direct current motor rotor testing.
Preferably, the pushing mechanism comprises a first X-direction linear sliding rail arranged in parallel, and the first X-direction linear sliding rail is positioned at the right side position above the workbench; x-direction sliding blocks I are respectively arranged above the two X-direction linear sliding rails I; the X-direction sliding block I is provided with a tool base plate, the surface of the tool base plate is symmetrically provided with a plurality of countersunk holes, the tool base plate is fixed above the X-direction sliding block I through a hexagon screw, and the X-direction sliding block I can drive the X-direction sliding block I to move along the X-direction linear sliding rail I.
More preferably, the pushing mechanism further comprises a screw rod cushion block, and the screw rod cushion block is positioned above the workbench and between the two X-direction linear slide rails I; the right end of the screw rod cushion block is connected with a servo motor, and the left shaft end of the servo motor is connected with a pushing coupler through a set screw; the other end of the pushing coupling is connected with a ball screw through a flat key; the left end of the ball screw is matched with a rear bearing seat, the right end of the ball screw is matched with a front bearing seat, and the front bearing seat and the rear bearing seat are arranged on a screw rod cushion block; and the ball screw is provided with a screw nut, and the screw nut is positioned on the left side of the front bearing block and is fixedly connected with the screw cushion block. When the servo motor works, the ball screw is driven to rotate through the connection effect of the pushing coupler, the ball screw converts the rotary motion into linear motion, and the screw nut is connected with the ball screw and the screw cushion block, so that the screw cushion block extends to the first linear slide rail to move to the designated position under the driving of the screw nut.
More preferably, a pushing tool is arranged on the tool base plate, a guide seat is arranged on the right side of the pushing tool, and the guide seat is fixed above the tool base plate; a push rod is arranged in the middle of the guide seat, the rear end of the push rod is opposite to the pushing tool, and the front end of the push rod is connected with a transverse cylinder; a pushing end plate is arranged at the shaft extending end on the left side of the transverse cylinder, an inner hole is formed in the middle of the pushing end plate, and the ejector rod penetrates through the inner hole and is connected with the pushing end plate in an interference fit mode; one end of the pushing end plate is connected with a pull rope encoder. When the transverse cylinder works, the push tool moves leftwards to a position where the push tool is contacted with a direct current motor rotor on the workpiece supporting block through the ejector rod, a roller pin in the push tool is contacted with the direct current motor rotor, and the direct current motor rotor is pushed into a notch of the pneumatic three-jaw chuck.
More preferably, two X-direction linear sliding rails II which are symmetrical to each other are arranged below the workbench, and an X-direction sliding block II matched with the X-direction linear sliding rails is arranged below the X-direction linear sliding rails II; a connecting plate is arranged below the X-direction sliding block II, the lower end of the connecting plate is connected with a push plate, and the right end of the push plate is connected with a rodless cylinder; the left end of the connecting plate is provided with a rotor feeding device, the rotor feeding device comprises a guide shaft, the guide shaft is connected with the connecting plate, the upper end of the guide shaft is provided with a workpiece supporting block, and the left end of the guide shaft is provided with a vertical cylinder. When the rodless cylinder works, the X-direction sliding block II is driven to move along the X-direction linear sliding rail II, so that the workpiece supporting block is driven to move to a specified position, and the vertical cylinder works to enable the workpiece supporting block to move upwards to a position where the tool is pushed to be horizontal.
In order to achieve the second purpose, the invention adopts the following technical scheme: a test method based on direct current motor rotor test equipment comprises the following steps:
a) installing an injection molding magnetic ring on the right side of the direct current motor rotor, and grabbing and placing the direct current motor rotor on a workpiece support block through a manipulator;
b) the rodless cylinder works to drive the X-direction sliding block II to move along the X-direction linear sliding rail II so as to drive the workpiece supporting block to move to a specified position, and the vertical cylinder works to enable the workpiece supporting block to move upwards to a position horizontal to the pushing tool;
c) the servo motor works, the ball screw is driven to rotate by pushing the connection effect of the coupler, the ball screw converts the rotation motion into linear motion, and therefore the screw rod nut moves to drive the screw rod cushion block to move to a specified position along the X direction of the linear slide rail I;
d) the transverse cylinder works, the push tool is moved leftwards to a position where the push tool is contacted with a direct current motor rotor on the workpiece supporting block through the ejector rod, a roller pin in the tool is pushed to be contacted with the direct current motor rotor, and the direct current motor rotor is pushed to a notch of the pneumatic three-jaw chuck;
e) the synchronous motor works to drive the driving wheel and the driven wheel to rotate so as to drive the driving main shaft and the rotary encoder to rotate, data collected by the rotary encoder are imported into a computer control system, and the rotating speed and the actual position of the direct current motor rotor are measured through data analysis;
F) the synchronous motor stops working, the pneumatic three-jaw chuck is opened, the computer compares the collected data with the set rotating speed and positioning, whether the rotating speed and the positioning precision are qualified or not is judged, and the manipulator outputs the direct current motor rotor from the qualified conveying line and the unqualified conveying line respectively.
Has the advantages that:
the effect is as follows: the magnetic ring in the technical scheme of the invention adopts the injection molding magnetic ring, so that the test precision of the direct current motor rotor test is obviously improved.
The second effect is that: the rotary encoder is a photoelectric coded disc, the photoelectric coded disc adopts a 5-bit Gray coded disc, the obtained data is analyzed and processed by using a corresponding computer program, and meanwhile, the accurate test of the rotating speed and the position of a direct current motor rotor is completed.
The effect is three: the driving mechanism and the pushing mechanism are matched, so that automatic assembly of the direct current motor rotor is realized, automatic feeding and discharging of the direct current motor rotor are realized, labor cost is reduced, and working efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the assembly of the present invention.
Fig. 2 is a side view of the final assembly of the present invention.
Fig. 3 is a top view of the assembly of the present invention.
Fig. 4 is a front view of the characteristic mechanism of the present invention.
Fig. 5 is a side view of a characterizing mechanism of the present invention.
Fig. 6 is a top view of the inventive feature.
Fig. 7 is a front view of the drive mechanism of the present invention.
Fig. 8 is a top view of the drive mechanism of the present invention.
Fig. 9 is a view from direction a in fig. 8.
Fig. 10 is an enlarged view of a portion E of fig. 9.
Fig. 11 is a schematic perspective view of the pushing mechanism of the present invention.
Fig. 12 is a front view of the pushing mechanism of the present invention.
Fig. 13 is a side view of the pushing mechanism of the present invention.
Fig. 14 is a top view of the pushing mechanism of the present invention.
Fig. 15 is a view from direction B in fig. 14.
Fig. 16 is an enlarged view of the portion C in fig. 14.
Fig. 17 is a front view of the rotor loading apparatus of the present invention.
Fig. 18 is a side view of the rotor loading apparatus of the present invention.
Fig. 19 is a top view of the rotor loading apparatus of the present invention.
Fig. 20 is a view from direction D in fig. 19.
In the attached drawings
1. Frame 2, characteristic mechanism 3, operation panel
4. Electrical cabinet 5, pneumatic element 6 and driving mechanism
7. Pushing mechanism 8, main spindle box 9, coding support
10. Rotary encoder 11, synchronous motor 12, pneumatic three-jaw chuck
13. DC motor rotor 14, injection molding magnetic ring 15, X-direction linear slide rail I
16. Tooling base plate 17, rotor feeding device 18 and workbench
19. Rodless cylinder 20, X-direction linear slide rail II 21 and X-direction slide block II
22. Connecting plate 23, rear bearing seat 24 and screw rod cushion block
25. Ball screw 26, screw nut 27, front bearing seat
28. Push coupling 29, servo motor 30 and X-direction slide block I
31. Transverse cylinder 32, pull rope encoder 33 and pushing end plate
34. Push plate 36, guide shaft 37 and workpiece support block
38. Vertical cylinder 40, drive spindle 41, drive end plate
42. Drive bearing seat 43, connecting block 44 and drive connecting rod
45. Driven wheel 46, pushing tool 47 and ejector rod
48. Guide seat 39 and drive coupling
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the embodiments of the invention and are not limiting of the embodiments of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, a direct current motor rotor 13 testing device comprises a frame 1; an operation panel 3, the operation panel 3 is located at the left end of the upper part of the frame 1 and close to the rear position; a characteristic mechanism 2, the characteristic mechanism 2 is positioned at the right side of the operation panel 3; the electrical cabinet 4 is positioned in the rack 1 and right below the characteristic mechanism 2; a pneumatic element 5, the pneumatic element 5 being located inside the electrical cabinet 4. As shown in fig. 4 to 6, the characterizing mechanism 2 comprises a table 18, the table 18 being located above the frame 1, to the right of the operating panel 3; a driving mechanism 6, wherein the driving mechanism 6 is positioned at the left part above the workbench 18; and the pushing mechanism 7 is positioned at the right side of the driving mechanism 6. The rack 1 is built by adopting 40x40 aluminum profiles, the aluminum profiles are fixedly connected by adopting corner pieces, the fixing mode has higher strength and attractive appearance, and the rack is suitable for being used by automatic equipment; the table 18 is bolted in the internal thread of a T-nut in the aluminium profile slot of the frame 1. The operation panel 3 is provided with a start button and an emergency stop button, if some unforeseen problems are encountered in the operation process, an operator can press the emergency stop button in time, and the loss caused by the operation errors of machines or personnel is avoided; the equipment is controlled by a PLC system, and an operation panel 3 is manually controlled.
As shown in fig. 7-9, the driving mechanism 6 includes a driving spindle 40, and the driving spindle 40 is in a horizontal state and extends through the entire driving mechanism 6; the spindle box 8 is fixed on a motor base plate, and the motor base plate is arranged above the workbench 18 through bolts; the spindle box 8 comprises three driving end plates 41, the three driving end plates 41 are parallel to each other, a driving bearing hole is formed in the center of each driving end plate 41, a driving bearing seat 42 is arranged in each driving bearing hole, the driving spindle 40 penetrates through inner holes of the three driving bearing seats 42 in an interference fit mode, and a driven wheel 45 is arranged on the left side of each driving end plate 41 and the left end of the driving spindle 40 through a flat key. The drive bearing holes in the middle of the three drive end plates 41 are simultaneously bored after the whole box body is installed, which ensures the concentricity of the three drive end plates 41. A synchronous motor 11 is arranged right behind the driving main shaft 40, a driving wheel is arranged at the left end of the synchronous motor 11, and the driving wheel is connected with a driven wheel 45 through a synchronous belt. When the synchronous motor 11 works, the driving wheel and the driven wheel 45 are driven to rotate, so that the driving main shaft 40 is driven to rotate.
As shown in fig. 9, the inner side of the left end of the driving spindle 40 is provided with an internal thread, the internal thread is matched with an external thread of a driving connecting rod 44, one end of the driving connecting rod 44 is fixedly connected with the driving spindle 40 through the external thread, the other end is connected with a driving coupler 39, the other end of the driving coupler 39 is connected with a coding bracket 9, and the coding bracket 9 is provided with a rotary encoder 10; the rotary encoder 10 is a photoelectric encoder, when a fixed light source irradiates the photoelectric encoder, a light can be received by using a photosensitive element, the number of times of receiving the light is the encoding number of the photoelectric encoder, if the encoding number is l, the measuring time is t, and the measured pulse number is N, the rotating speed N is (N/t l) 60, and the program is written into a computer control system to realize the test of the rotating speed of the direct current motor rotor 13; the photoelectric code disc adopts a 5-bit Gray code type code disc, 5 photoelectric elements are fixed on the same horizontal line by the photoelectric code disc to detect 5 loops of the code disc, a light-transmitting part is conducted by a phototriode, the photoelectric code disc outputs five-bit binary numbers in parallel, the low 4-bit output frequency of the photoelectric code disc is reduced by 1/2 in sequence, the 5-bit output frequency is the same as the 4-bit output frequency, but the phase difference is 90 degrees, only one of the five-bit binary numbers output in parallel at adjacent positions is changed, the rotor rotates for one circle, the code disc outputs 32 numbers, the space angle equivalent to one circle of the rotor is 32 equal divisions, each equal division uses the five-bit binary number to code and represent the space position of the rotor, and the program is input into a computer control system to realize the detection of the actual position of.
As shown in fig. 10, the right end of the driving spindle 40 is provided with an external thread, the driving spindle 40 is fixedly connected with a connecting block 43 through the external thread, a pneumatic three-jaw chuck 12 is arranged at the right end of the connecting block 43, a dc motor rotor 13 is arranged on the right side of the pneumatic three-jaw chuck 12, and a magnetic ring arranged at the right end of the dc motor rotor 13 is an injection molding magnetic ring 14. The injection molding magnetic ring 14 sends signals to the Hall element, the Hall element receives corresponding signals to detect the rotating speed and the position of the direct current motor rotor 13, and the injection molding magnetic ring 14 improves the testing precision of the direct current motor rotor 13.
As shown in fig. 11-14, the pushing mechanism 7 includes two first X-direction linear slides 15 arranged in parallel, and the first X-direction linear slide 15 is located at the right position above the workbench 18; an X-direction sliding block I30 is arranged above the two X-direction linear sliding rails I15 respectively; the tooling base plate 16 is arranged above the X-direction sliding block I30, a plurality of countersunk holes are symmetrically formed in the surface of the tooling base plate 16, the tooling base plate 16 is fixed above the X-direction sliding block I30 through hexagon screws, and the X-direction sliding block I30 can drive the tooling base plate 16 above the X-direction sliding block I30 to move along with the X-direction linear sliding rail I15.
As shown in fig. 15, the pushing mechanism 7 further includes a screw rod cushion block 24, and the screw rod cushion block 24 is located above the working platform 18 and between the two first X-direction linear sliding rails 15; the right end of the screw rod cushion block 24 is connected with a servo motor 29, and the left shaft end of the servo motor 29 is connected with a pushing coupling 28 through a set screw; the other end of the push coupling 28 is connected with a ball screw 25 through a flat key; the left end of the ball screw 25 is matched with a rear bearing seat 23, the right end of the ball screw is matched with a front bearing seat 27, and the front bearing seat 27 and the rear bearing seat 23 are arranged on the screw cushion block 24; the ball screw 25 is provided with a screw nut 26, and the screw nut 26 is positioned at the left side of the front bearing block 27 and is fixedly connected with the screw cushion block 24. When the servo motor 29 works, the ball screw 25 is driven to rotate through the connection effect of the pushing coupler 28, the ball screw 25 converts the rotation motion into linear motion, and the screw nut 26 connects the ball screw 25 with the screw cushion block 24, so that the screw cushion block 24 is driven by the screw nut 26 to extend downwards X-direction linear slide rail 15 to move to a specified position.
As shown in fig. 15, a pushing tool 46 is arranged on the tool backing plate 16, a guide seat 48 is arranged on the right side of the pushing tool 46, and the guide seat 48 is fixed above the tool backing plate 16; a push rod 47 is arranged in the middle of the guide seat 48, the rear end of the push rod 47 is opposite to the pushing tool 46, and the front end of the push rod 47 is connected with a transverse cylinder 31; a pushing end plate 33 is arranged at the left shaft extending end of the transverse cylinder 31, an inner hole is arranged at the middle position on the pushing end plate 33, and the ejector rod 47 penetrates through the inner hole and is connected with the pushing end plate 33 through interference fit; the push end plate 33 is connected at one end to a pull cord encoder 32. When the transverse cylinder 31 works, the push tool 46 is moved leftwards through the ejector rod 47 to a position where the push tool is contacted with the direct current motor rotor 13 on the workpiece supporting block 37, the roller pins inside the push tool 46 are contacted with the direct current motor rotor 13, and the direct current motor rotor 13 is pushed into the notch of the pneumatic three-jaw chuck 12.
As shown in fig. 16-20, two symmetrical second X-direction linear slide rails 20 are arranged below the worktable 18, and a second X-direction slider 21 matched with the second X-direction linear slide rails 20 is arranged below the second X-direction linear slide rails 20; a connecting plate 22 is arranged below the second X-direction sliding block 21, the lower end of the connecting plate 22 is connected with a push plate 34, and the right end of the push plate 34 is connected with a rodless cylinder 19; the left end of the connecting plate 22 is provided with a rotor feeding device 17, the rotor feeding device 17 comprises a guide shaft 36, the guide shaft 36 is connected with the connecting plate 22, the upper end of the guide shaft 36 is provided with a workpiece supporting block 37, and the left end is provided with a vertical cylinder 38. When the rodless cylinder 19 works, the X-direction sliding block II 21 is driven to move along the X-direction linear sliding rail II 20, so that the workpiece supporting block 37 is driven to move to a specified position, and the vertical cylinder 38 works to enable the workpiece supporting block 37 to move upwards to a position horizontal to the pushing tool 46.
As shown in fig. 1 to 20, a testing method of a testing device for a direct current motor rotor 13 includes the following steps:
a) installing an injection molding magnetic ring 14 on the right side of the direct current motor rotor 13, and grabbing and placing the direct current motor rotor 13 on a workpiece supporting block 37 through a manipulator;
b) the rodless cylinder 19 works to drive the X-direction sliding block II 21 to move along the X-direction linear sliding rail II 20, so that the workpiece supporting block 37 is driven to move to a specified position, and the vertical cylinder 38 works to enable the workpiece supporting block 37 to move upwards to a position horizontal to the pushing tool 46;
c) the servo motor 29 works, the ball screw 25 is driven to rotate through the connection effect of the pushing coupler 28, the ball screw 25 converts the rotation motion into linear motion, and therefore the screw nut 26 moves to drive the screw cushion block 24 to move to a specified position along the X direction linear slide rail I15;
d) the transverse cylinder 31 works, the push tool 46 moves leftwards to a position where the push tool is contacted with the direct current motor rotor 13 on the workpiece supporting block 37 through the ejector rod 47, a roller pin in the push tool 46 is contacted with the direct current motor rotor 13, and the direct current motor rotor 13 is pushed into a notch of the pneumatic three-jaw chuck 12;
e) the synchronous motor 11 works to drive the driving wheel and the driven wheel 45 to rotate, so as to drive the driving main shaft 40 and the rotary encoder 10 to rotate, data collected by the rotary encoder 10 is imported into a computer control system, and the rotating speed and the actual position of the direct current motor rotor 13 are measured through data analysis;
F) the synchronous motor 11 stops working, the pneumatic three-jaw chuck 12 opens, the computer compares the acquired data with the set rotating speed and positioning, whether the rotating speed and the positioning precision are qualified or not is judged, and the manipulator outputs the direct current motor rotor 13 from the qualified conveying line and the unqualified conveying line respectively.
Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.
Claims (1)
1. A test method based on a DC motor rotor test device is characterized in that,
the direct current motor rotor test equipment includes:
a frame;
the operation panel is positioned at the position close to the back of the left end above the rack;
a property mechanism located on the right side of the operation panel;
the electrical cabinet is positioned in the rack and right below the characteristic mechanism;
a pneumatic element located inside the electrical cabinet;
the characteristic mechanism includes:
the workbench is positioned above the rack and on the right side of the operation panel;
the driving mechanism is positioned at the left part above the workbench;
the pushing mechanism is positioned on the right side of the driving mechanism;
the driving mechanism comprises a driving main shaft which is in a left-right horizontal state and penetrates through the whole driving mechanism; the spindle box is fixed on a motor base plate, and the motor base plate is arranged above the workbench through bolts; the main shaft box comprises three driving end plates which are parallel to each other, a driving bearing hole is formed in the center of each driving end plate, a driving bearing seat is arranged in each driving bearing hole, the driving main shaft penetrates through inner holes of the three driving bearing seats in an interference fit mode, and a driven wheel is arranged on the left side of each driving end plate and the left end of the driving main shaft through a flat key;
the inner side of the left end of the driving spindle is provided with an internal thread, the internal thread is matched with an external thread of a driving connecting rod, one end of the driving connecting rod is fixedly connected with the driving spindle through the external thread, the other end of the driving connecting rod is connected with a driving coupler, the other end of the driving coupler is connected with a coding support, and the coding support is provided with a rotary encoder; the rotary encoder is a photoelectric coded disc, and the photoelectric coded disc adopts a 5-bit Gray code type coded disc;
when a fixed light source irradiates on the photoelectric code disc, the light can be received by using a photosensitive element, the number of times of receiving the light is the code number of the photoelectric code disc, the code number is l, the measurement time is t, the measured pulse number is N, and the rotating speed N is (N/t l) 60;
the photoelectric code disc fixes 5 photoelectric elements on the same horizontal line for detecting 5 loops of the code disc, a light-transmitting part is conducted by using a phototriode, the photoelectric code disc outputs five-bit binary numbers in parallel, the low 4-bit output frequency of the photoelectric code disc is reduced by 1/2 in sequence, the 5 th bit output frequency is the same as the 4 th bit output frequency, but the phase difference is 90 degrees, only one bit of the five-bit binary numbers output in parallel at adjacent positions is changed, a rotor rotates for a circle, the code disc outputs 32 numbers, the space angle equivalent to a circle of the rotor is 32 equal parts, each equal part is coded by five-bit binary numbers to represent the space position of the rotor;
a synchronous motor is arranged right behind the driving main shaft, a driving wheel is arranged at the left end of the synchronous motor, and the driving wheel is connected with a driven wheel through a synchronous belt;
the right end of the driving main shaft is provided with external threads, the driving main shaft is fixedly connected with a connecting block through the external threads, the right end part of the connecting block is provided with a pneumatic three-jaw chuck, a direct current motor rotor is arranged on the right side of the pneumatic three-jaw chuck, the right end of the direct current motor rotor is provided with a magnetic ring, and the magnetic ring is an injection molding magnetic ring;
the pushing mechanism comprises two X-direction linear sliding rails I which are arranged in parallel, and the X-direction linear sliding rails I are positioned at the right side position above the workbench; x-direction sliding blocks I are respectively arranged above the two X-direction linear sliding rails I; a tool base plate is arranged above the X-direction sliding block I, a plurality of countersunk holes are symmetrically formed in the surface of the tool base plate, the tool base plate is fixed above the X-direction sliding block I through a hexagon screw, and the X-direction sliding block I can drive the tool base plate above the X-direction sliding block I to move along the X-direction linear sliding rail I;
the pushing mechanism also comprises a screw rod cushion block, and the screw rod cushion block is positioned above the workbench and between the two X-direction linear slide rails I; the right end of the screw rod cushion block is connected with a servo motor, and the left shaft end of the servo motor is connected with a pushing coupler through a set screw; the other end of the pushing coupling is connected with a ball screw through a flat key; the left end of the ball screw is matched with a rear bearing seat, the right end of the ball screw is matched with a front bearing seat, and the front bearing seat and the rear bearing seat are arranged on a screw rod cushion block; the ball screw is provided with a screw nut, and the screw nut is positioned on the left side of the front bearing block and fixedly connected with a screw cushion block;
a pushing tool is arranged on the tool base plate, a guide seat is arranged on the right side of the pushing tool, and the guide seat is fixed above the tool base plate; a push rod is arranged in the middle of the guide seat, the rear end of the push rod is opposite to the pushing tool, and the front end of the push rod is connected with a transverse cylinder; a pushing end plate is arranged at the shaft extending end on the left side of the transverse cylinder, an inner hole is formed in the middle of the pushing end plate, and the ejector rod penetrates through the inner hole and is connected with the pushing end plate in an interference fit mode; one end of the pushing end plate is connected with a pull rope encoder;
two X-direction linear sliding rails II which are symmetrical to each other are arranged below the workbench, and an X-direction sliding block II which is matched with the X-direction linear sliding rails II is arranged below the X-direction linear sliding rails II; a connecting plate is arranged below the X-direction sliding block II, the lower end of the connecting plate is connected with a push plate, and the right end of the push plate is connected with a rodless cylinder; the left end of the connecting plate is provided with a rotor feeding device, the rotor feeding device comprises a guide shaft, the guide shaft is connected with the connecting plate, the upper end of the guide shaft is provided with a workpiece supporting block, and the left end of the guide shaft is provided with a vertical cylinder;
the test method comprises the following steps:
a) installing an injection molding magnetic ring on the right side of the direct current motor rotor, and grabbing and placing the direct current motor rotor on a workpiece support block through a manipulator;
b) the rodless cylinder works to drive the X-direction sliding block II to move along the X-direction linear sliding rail II so as to drive the workpiece supporting block to move to a specified position, and the vertical cylinder works to enable the workpiece supporting block to move upwards to a position horizontal to the pushing tool;
c) the servo motor works, the ball screw is driven to rotate by pushing the connection effect of the coupler, the ball screw converts the rotation motion into linear motion, and therefore the screw rod nut moves to drive the screw rod cushion block to move to a specified position along the X direction of the linear slide rail I;
d) the transverse cylinder works, the push tool is moved leftwards to a position where the push tool is contacted with a direct current motor rotor on the workpiece supporting block through the ejector rod, a roller pin in the tool is pushed to be contacted with the direct current motor rotor, and the direct current motor rotor is pushed to a notch of the pneumatic three-jaw chuck;
e) the synchronous motor works to drive the driving wheel and the driven wheel to rotate so as to drive the driving main shaft and the rotary encoder to rotate, data collected by the rotary encoder are imported into a computer control system, and the rotating speed and the actual position of the direct current motor rotor are measured through data analysis;
f) the synchronous motor stops working, the pneumatic three-jaw chuck is opened, the computer compares the collected data with the set rotating speed and positioning, whether the rotating speed and the positioning precision are qualified or not is judged, and the manipulator outputs the direct current motor rotor from the qualified conveying line and the unqualified conveying line respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397769.6A CN109521220B (en) | 2018-11-22 | 2018-11-22 | Testing method based on direct current motor rotor testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397769.6A CN109521220B (en) | 2018-11-22 | 2018-11-22 | Testing method based on direct current motor rotor testing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109521220A CN109521220A (en) | 2019-03-26 |
| CN109521220B true CN109521220B (en) | 2021-05-04 |
Family
ID=65778600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811397769.6A Active CN109521220B (en) | 2018-11-22 | 2018-11-22 | Testing method based on direct current motor rotor testing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109521220B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412451A (en) * | 2019-08-29 | 2019-11-05 | 江苏创源电子有限公司 | A kind of FCT test device, test equipment and test method |
| CN111682826A (en) * | 2020-05-20 | 2020-09-18 | 天津大学 | Motor output torque estimation method based on electrical parameter reconstruction |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100082875A (en) * | 2009-01-12 | 2010-07-21 | 주식회사엠에스테크 | The complex abrasion tester using servo motor |
| CN102928782B (en) * | 2012-11-23 | 2016-06-08 | 成都华川电装有限责任公司 | Magneto test macro and method |
| CN204154732U (en) * | 2014-08-20 | 2015-02-11 | 山东艾磁驱动科技有限公司 | Hall injection moulding magnet ring |
| CN205157740U (en) * | 2015-11-05 | 2016-04-13 | 深圳市多鑫达实业有限公司 | Rotor tester |
| CN106019147B (en) * | 2016-04-25 | 2019-05-21 | 臧斌 | Micromotor Auto-Test System |
-
2018
- 2018-11-22 CN CN201811397769.6A patent/CN109521220B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109521220A (en) | 2019-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109521220B (en) | Testing method based on direct current motor rotor testing equipment | |
| CN110641159B (en) | Automatic marking detection robot for brake disc and marking and detection method thereof | |
| CN108817391B (en) | Double-cladding-head laser cladding metal additive manufacturing equipment | |
| CN210108282U (en) | Columnar part outer circumference size and shape and position error non-contact intelligent detector | |
| CN110926801A (en) | Small-size joint comprehensive properties test machine of service robot | |
| CN113804141A (en) | Outer diameter detector | |
| CN113333510A (en) | Spline detection and straightening system and method of half-axis straightening machine | |
| CN106705791B (en) | Outer circle jumping detection tool for generator rotor | |
| CN104316015A (en) | Detecting tool for profile face difference and gap value of interior trim part of vehicle | |
| CN109444741A (en) | A kind of DC motor rotor test equipment | |
| CN209342090U (en) | A kind of Form and position error detection platform | |
| CN110411381B (en) | Automatic correction flatness multi-point detection device suitable for motor stator | |
| CN210347094U (en) | Bolt torsion detection machine | |
| CN217019320U (en) | Automatic screw locking machine with sliding block | |
| CN218994412U (en) | Thread detection equipment | |
| CN114279313B (en) | Circle runout detection device | |
| CN207440301U (en) | Automatic sample-changing equipment based on gamma spectrometer | |
| CN114894128B (en) | Lead screw raceway surface waviness detection equipment | |
| CN110044404A (en) | A kind of Multifunction Sensor performance detection machine | |
| CN220891776U (en) | Main machine fixture device for measuring verticality of guide rail | |
| CN215725647U (en) | Rack straightness accuracy detection tool | |
| CN117268264B (en) | Measuring device and control method for rear wheel planet carrier of electric automobile | |
| CN115616681A (en) | Handheld metal detector performance automatic test bench and working method thereof | |
| CN216791137U (en) | Full-automatic wheel hub bearing unit comprehensive detection machine | |
| CN219624941U (en) | Equipment for detecting abnormal torque sound of speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210412 Address after: 221700 east of Huazhang road and north of Beiyuan Road, Feng County, Xuzhou City, Jiangsu Province Applicant after: Jiangsu Zhiyuan Intelligent Driving Technology Research Institute Co.,Ltd. Address before: 215600 Huang Maolian, building a, Yucheng center, Huada Road, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province Applicant before: Huang Maolian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231215 Address after: 221700 Jingyi Road East, Beiyuan Road South, Weiyi Road North, Feng County, Xuzhou City, Jiangsu Province Patentee after: XUZHOU NANPU ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 221700 east of Huazhang road and north of Beiyuan Road, Feng County, Xuzhou City, Jiangsu Province Patentee before: Jiangsu Zhiyuan Intelligent Driving Technology Research Institute Co.,Ltd. |