CN210625943U - Automatic add subtract material balance test machine - Google Patents
Automatic add subtract material balance test machine Download PDFInfo
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- CN210625943U CN210625943U CN201921942814.1U CN201921942814U CN210625943U CN 210625943 U CN210625943 U CN 210625943U CN 201921942814 U CN201921942814 U CN 201921942814U CN 210625943 U CN210625943 U CN 210625943U
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Abstract
The utility model discloses an automatic add subtract material balance test machine, include: the device comprises a machine table, a left support frame arranged on the machine table, a right support frame arranged on the machine table and opposite to the left support frame, a rotor positioning device arranged on the left support frame and the right support frame, a driving device arranged on the right support frame, an adjusting mechanism arranged below the left support frame, a first acceleration sensor arranged on the right support frame and above a rotor, and a second acceleration sensor arranged on the right support frame and below the rotor. The utility model discloses measure the unbalance amount and the unbalanced angle of rotor, confirm the position that the rotor needs the adjustment, then place balanced gasket in this position through guiding mechanism, transfer the rotor to the standard that accords with balance. The utility model discloses can not only test the balanced precision of rotor, can carry out automatic adjustment to the rotor moreover, degree of automation is high.
Description
Technical Field
The utility model relates to a balanced test field especially relates to an automatic add subtract material balance test machine.
Background
The rotor of an electric machine is an important component of an electric machine, and ideally, the rotor has a uniform mass distribution relative to its axis when rotating or not rotating about its axis, and such a rotor is a balanced, standard-compliant rotor. However, in the manufacturing process of the rotor, due to uneven material, blank defects, or errors caused by processing and assembly, when the rotor rotates, centrifugal inertia force generated by each tiny mass point on the rotor cannot be mutually counteracted, and the centrifugal inertia force acts on other mechanisms through the bearing to cause vibration, generate noise, accelerate bearing abrasion and shorten the mechanical life of the rotor. Therefore, the rotor needs to be subjected to balance test in the manufacturing process, and the rotor needs to be adjusted during the test, so that the balance precision of the rotor reaches the standard precision level.
The existing balance testing machine is usually only used for testing the balance precision of the rotor, and then the rotor is manually adjusted, so that the rotor cannot be automatically adjusted.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide an automatic add subtract material balance test machine, when the balanced precision of test rotor, can also adjust the rotor.
The technical scheme of the utility model as follows: the utility model provides an add and subtract material balance test machine automatically, includes: the device comprises a machine table, a left support frame arranged on the machine table, a right support frame arranged on the machine table and opposite to the left support frame, a rotor positioning device arranged on the left support frame and the right support frame, a driving device arranged on the right support frame, an adjusting mechanism arranged below the left support frame, a first acceleration sensor arranged on the right support frame and positioned above a rotor, and a second acceleration sensor arranged on the right support frame and positioned below the rotor;
the adjustment mechanism includes: the device comprises a Z-axis linear motor module, an X-axis linear motor module arranged on the Z-axis linear motor module, a mounting plate arranged on the X-axis linear motor module, a lifting device arranged on the mounting plate, a rotary cylinder arranged on the lifting device, a support plate arranged on the rotary cylinder, a first cylinder arranged at the top end of the support plate, a sucker arranged on the first cylinder, a second cylinder arranged at the bottom end of the support plate and a pressure rod arranged on the second cylinder;
the rotor includes the rotor center and stretch out in the pivot at rotor center both ends, the both ends of the pivot of rotor are located on the rotor positioner, the both sides face at rotor center is equipped with a plurality of shrinkage pools along the circumferencial direction, the shrinkage pool is internal to hold the balance pad piece.
Further, this automatic add subtract material balance test machine still includes locate on the right branch strut and be located the clamping device of rotor below, clamping device includes: the device comprises a first lifting cylinder, a first linear guide rail arranged above the first lifting cylinder, a first sliding block arranged on the first linear guide rail and connected with the first lifting cylinder, a finger cylinder arranged on the first sliding block and two clamping jaws arranged on the finger cylinder.
Furthermore, the top end of the clamping jaw is in a circular arc shape matched with the outer part of the center of the rotor.
Further, the shrinkage pool includes first section and second section, and first section is close to outer terminal surface, and the inside in the second section is close to, and the internal diameter of first section is reduced gradually to the inside by outer terminal surface, and the internal diameter of second section is unchangeable, the external diameter of balanced gasket and the internal diameter interference fit of second section. The external diameter of depression bar is less than the internal diameter of shrinkage pool second section, and the external diameter of depression bar reduces to the terminal surface by the root gradually, conveniently impresses balanced gasket in the shrinkage pool.
Further, the lifting device includes: locate second lift cylinder on the mounting panel, locate second linear guide on the mounting panel and locate on the second linear guide and with the second slider that second lift cylinder is connected.
Further, the driving device includes: locate motor on the right branch strut, with first band pulley that the motor is connected and through the hold-in range with the second band pulley that first band pulley is connected, the second band pulley with the rotor is connected.
Adopt above-mentioned scheme, the utility model discloses measure the unbalance amount and the unbalanced angle of rotor, confirm the position that the rotor needs the adjustment, then place balanced gasket in this position through guiding mechanism, transfer the rotor to the standard that accords with balance. The utility model discloses can not only test the balanced precision of rotor, can carry out automatic adjustment to the rotor moreover, degree of automation is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic structural view of the clamping device of the present invention.
Fig. 4 is a perspective view of the rotor of the present invention.
Fig. 5 is a cross-sectional view of the rotor of the present invention.
Fig. 6 is the structure diagram of the finger cylinder and the clamping jaw of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present invention provides an automatic material adding and subtracting balance testing machine, which includes: the machine table comprises a machine table 1, a left support frame 2 arranged on the machine table 1, a right support frame 3 arranged on the machine table 1 and opposite to the left support frame 2, a rotor positioning device arranged on the left support frame 2 and the right support frame 3, a driving device 4 arranged on the right support frame 3, an adjusting mechanism 5 arranged below the left support frame 2, a first acceleration sensor 6 arranged on the right support frame 3 and above a rotor 100, a second acceleration sensor 7 arranged on the right support frame 3 and below the rotor 100, and a controller. The controller is respectively electrically connected with the driving device 4, the adjusting mechanism 5, the first acceleration sensor 6 and the second acceleration sensor 7.
Referring to fig. 2, the adjusting mechanism 5 includes: the X-axis linear motor comprises a Z-axis linear motor module 51, an X-axis linear motor module 52 arranged on the Z-axis linear motor module 51, a mounting plate 53 arranged on the X-axis linear motor module 52, a lifting device arranged on the mounting plate 53, a rotary cylinder 54 arranged on the lifting device, a support plate 55 arranged on the rotary cylinder 54, a first cylinder 56 arranged at the top end of the support plate 55, a sucking disc 57 arranged on the first cylinder 56, a second cylinder 58 arranged at the bottom end of the support plate 55 and a pressing rod 59 arranged on the second cylinder 58. The adjusting mechanism 5 is electrically connected with the controller.
Referring to fig. 4 and 5, a rotor 100 includes a rotor center 101 and rotating shafts 102 extending out of two ends of the rotor center 101, two ends of the rotating shaft 102 of the rotor are disposed on a rotor positioning device, two side surfaces of the rotor center 101 are provided with a plurality of concave holes along a circumferential direction, and the concave holes can accommodate balance pads.
The shrinkage pool includes first section 103 and second section 104, and first section 103 is close to outer terminal surface, and second section 104 is close to interior inside, and the internal diameter of first section 103 reduces to the inside by outer terminal surface gradually, and the internal diameter of second section 104 is unchangeable, and the external diameter of balance pad and the internal diameter interference fit of second section 104. The external diameter of depression bar is less than the internal diameter of shrinkage pool second section 104, and the external diameter of depression bar 59 reduces to the terminal surface by the root gradually, conveniently impresses the balanced gasket in the shrinkage pool.
Referring to fig. 3 and 6, the automatic material adding and reducing balance testing machine further includes a clamping device 8 disposed on the right supporting frame 3 and located below the rotor 100, where the clamping device 8 includes: the lifting device comprises a first lifting cylinder 81, a first linear guide rail 82 arranged above the first lifting cylinder 81, a first sliding block arranged on the first linear guide rail 82 and connected with the first lifting cylinder 81, a finger cylinder 83 arranged on the first sliding block, and two clamping jaws 84 arranged on the finger cylinder 83. The clamping mechanism 8 is electrically connected with the controller. The top end of the clamping jaw 84 is in a circular arc shape matched with the outer part of the rotor center 101, so that the rotor is conveniently clamped.
The lifting device comprises: locate second lift cylinder 60 on the mounting panel 53, locate second linear guide on the mounting panel and locate on the second linear guide and with second slider 61 that second lift cylinder 60 is connected.
The drive device 4 includes: the motor 41 is arranged on the right support frame 3, the first belt wheel 42 is connected with the motor 41, the second belt wheel 44 is connected with the first belt wheel 42 through a synchronous belt 43, and the second belt wheel 44 is connected with the rotor 100.
The working principle of the utility model is as follows:
the driving device 4 drives the rotor 100 to rotate, the first acceleration sensor 6 and the second acceleration sensor 7 measure vibration data of the top end and the bottom end of the rotor 100 and transmit the vibration data to the controller, the controller obtains unbalance amount and unbalance angle of the rotor through calculation so as to determine the position of the rotor needing to be corrected, then the controller sends a signal to the driving device 4, the driving motor 41 stops rotating, the position of the rotor 100 to be adjusted is driven to stop rotating when being located at the bottom end, and at the moment, the position of the rotor to be adjusted is aligned with the adjusting mechanism 5. It is a prior art to determine the position of the rotor to be corrected by calculating the unbalance amount and unbalance angle of the rotor by the controller and control the motor to stop at the position to be corrected, and it is not described herein much.
Then the controller drives the clamping device 8 to clamp and fix the rotor 100, after the sucker 57 sucks the balance gasket, the Z-axis linear motor module 51 and the X-axis linear motor module 52 drive the sucker 57 to be close to the rotor 100, then the second lifting cylinder 60 further drives the sucker 57 to ascend, so that the sucker 57 is aligned with the concave hole at the position to be adjusted, then the first cylinder 56 drives the sucker 57 to move in parallel to place the balance gasket into the concave hole, then the rotary cylinder 54 rotates 180 degrees, so that the pressure rod 59 is right opposite to the concave hole at the position to be adjusted, and the second cylinder 58 translates to press the balance gasket into the deep part of the concave hole.
To sum up, the utility model discloses measure the unbalance amount and the unbalanced angle of rotor, confirm the position that the rotor needs the adjustment, then place balanced gasket in this position through guiding mechanism, transfer the rotor to the standard that accords with balance. The utility model discloses can not only test the balanced precision of rotor, can carry out automatic adjustment to the rotor moreover, degree of automation is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides an automatic add subtract material balance test machine which characterized in that includes: the device comprises a machine table, a left support frame arranged on the machine table, a right support frame arranged on the machine table and opposite to the left support frame, a rotor positioning device arranged on the left support frame and the right support frame, a driving device arranged on the right support frame, an adjusting mechanism arranged below the left support frame, a first acceleration sensor arranged on the right support frame and positioned above a rotor, and a second acceleration sensor arranged on the right support frame and positioned below the rotor;
the adjustment mechanism includes: the device comprises a Z-axis linear motor module, an X-axis linear motor module arranged on the Z-axis linear motor module, a mounting plate arranged on the X-axis linear motor module, a lifting device arranged on the mounting plate, a rotary cylinder arranged on the lifting device, a support plate arranged on the rotary cylinder, a first cylinder arranged at the top end of the support plate, a sucker arranged on the first cylinder, a second cylinder arranged at the bottom end of the support plate and a pressure rod arranged on the second cylinder;
the rotor includes the rotor center and stretch out in the pivot at rotor center both ends, the both ends of the pivot of rotor are located on the rotor positioner, the both sides face at rotor center is equipped with a plurality of shrinkage pools along the circumferencial direction, the shrinkage pool is internal to hold the balance pad piece.
2. The automatic feeding and reducing balance testing machine according to claim 1, further comprising a clamping device disposed on the right support frame and below the rotor, the clamping device comprising: the device comprises a first lifting cylinder, a first linear guide rail arranged above the first lifting cylinder, a first sliding block arranged on the first linear guide rail and connected with the first lifting cylinder, a finger cylinder arranged on the first sliding block and two clamping jaws arranged on the finger cylinder.
3. The automatic material adding and reducing balance testing machine as claimed in claim 2, wherein the top end of the clamping jaw is in the shape of a circular arc matched with the outside of the center of the rotor.
4. The automatic material adding and reducing balance testing machine as claimed in claim 1, wherein the recessed hole comprises a first section and a second section, the first section is close to the outer end face, the second section is close to the inner face, the inner diameter of the first section is gradually reduced from the outer end face to the inner face, the inner diameter of the second section is unchanged and smaller than that of the first section, the outer diameter of the balance gasket is in interference fit with that of the second section, the outer diameter of the pressure lever is smaller than that of the second section of the recessed hole, and the outer diameter of the pressure lever is gradually reduced from the root to the outer end face.
5. The automatic feeding and reducing balance testing machine as set forth in claim 1, wherein the lifting device comprises: locate second lift cylinder on the mounting panel, locate second linear guide on the mounting panel and locate on the second linear guide and with the second slider that second lift cylinder is connected.
6. The automatic feeding and reducing balance testing machine as set forth in claim 1, wherein said driving means includes: locate motor on the right branch strut, with first band pulley that the motor is connected and through the hold-in range with the second band pulley that first band pulley is connected, the second band pulley with the rotor is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942814.1U CN210625943U (en) | 2019-11-11 | 2019-11-11 | Automatic add subtract material balance test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942814.1U CN210625943U (en) | 2019-11-11 | 2019-11-11 | Automatic add subtract material balance test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625943U true CN210625943U (en) | 2020-05-26 |
Family
ID=70751533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921942814.1U Active CN210625943U (en) | 2019-11-11 | 2019-11-11 | Automatic add subtract material balance test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625943U (en) |
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2019
- 2019-11-11 CN CN201921942814.1U patent/CN210625943U/en active Active
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