CN111890015B - A DC brushless motor rotor bearing installation tool and method - Google Patents
A DC brushless motor rotor bearing installation tool and method Download PDFInfo
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- CN111890015B CN111890015B CN202010837646.0A CN202010837646A CN111890015B CN 111890015 B CN111890015 B CN 111890015B CN 202010837646 A CN202010837646 A CN 202010837646A CN 111890015 B CN111890015 B CN 111890015B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
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Abstract
本发明公开了一种直流无刷电机转子轴承安装工装及方法，包括底板、支撑板、加载梁、伺服压装设备、转子定位装置和安装底座，所述底板的两侧固定有支撑板，所述支撑板的顶部固定有加载梁，所述加载梁的上方安装有伺服压装设备，所述伺服压装设备一侧安装有控制器，所述伺服压装设备包括压头，所述压头穿过加载梁向下延伸，所述压头的头部安装有轴承凹槽，所述轴承凹槽的侧壁上装有磁环，所述轴承凹槽的上方安装有颜色传感器，所述颜色传感器与控制器连接。本发明的优点是能够自动检测轴承的正反面是否放置正确，便于校正，避免压装错误。
The present invention discloses a DC brushless motor rotor bearing installation tool and method, including a base plate, a support plate, a loading beam, a servo press-fitting device, a rotor positioning device and a mounting base, support plates are fixed on both sides of the base plate, a loading beam is fixed on the top of the support plate, a servo press-fitting device is installed above the loading beam, a controller is installed on one side of the servo press-fitting device, the servo press-fitting device includes a pressure head, the pressure head extends downward through the loading beam, a bearing groove is installed at the head of the pressure head, a magnetic ring is installed on the side wall of the bearing groove, a color sensor is installed above the bearing groove, and the color sensor is connected to the controller. The advantage of the present invention is that it can automatically detect whether the front and back sides of the bearing are placed correctly, which is convenient for correction and avoids press-fitting errors.
Description
Technical Field
The invention belongs to the technical field of rotor assembly, and particularly relates to a tool and a method for installing a rotor bearing of a direct current brushless motor.
Background
The tooling, namely the process equipment, refers to the general name of various tools used in the manufacturing process, and the tooling is needed for bearing press-fitting in the motor manufacturing process. At present, bearings are installed at two ends of a motor rotor in sequence through a hand press, different motors are required to use bearings with different performances, and faults such as service life reduction and failure of a clutch can be caused in the using process if no effective bearing identification means is available in the assembling process.
Disclosure of Invention
In order to solve the problems, the invention provides the following technical scheme: the utility model provides a brushless DC motor rotor bearing installation frock, includes bottom plate, backup pad, loading beam, servo pressure equipment, rotor positioner and installation base, the both sides of bottom plate are fixed with the backup pad, the top of backup pad is fixed with the loading beam, servo pressure equipment is installed to the top of loading beam, servo pressure equipment installs the controller in one side, servo pressure equipment includes the pressure head, the pressure head passes the loading beam downwardly extending, the bearing recess is installed to the head of pressure head, the magnetic ring is equipped with on the lateral wall of bearing recess, color sensor is installed to the top of bearing recess, color sensor is connected with the controller, be equipped with spacing boss on the installation base, still be equipped with rotor positioner between spacing boss and the pressure head, rotor positioner both sides are connected with the backup pad respectively through slider.
Further, the rotor positioning device comprises a movable frame and a fixed frame, a pair of locking plates and locking bolts are slidably arranged at the upper end and the lower end of the opposite surface of the movable frame and the opposite surface of the fixed frame, a movable clamping plate is connected between the locking plates through the locking bolts, and an electric telescopic rod is connected to one side, far away from the locking plates, of the movable frame.
Further, the sliding device comprises a left sliding guide rail, a left sliding frame, a right sliding guide rail and a right sliding frame which are symmetrically arranged, wherein the left sliding guide rail and the right sliding guide rail are respectively fixed on supporting plates on two sides, the left sliding guide rail and the right sliding guide rail are correspondingly connected with the left sliding frame and the right sliding frame in a sliding manner, the left sliding frame is connected with the electric telescopic rod, and the right sliding frame is connected with the fixing frame.
Further, the pressure head is provided with an upper convex cavity, an upper spring is fixedly arranged in the upper convex cavity, the bottom of the upper spring is connected with an upper top shaft extending towards the bottom of the pressure head, a lower convex cavity is arranged in the middle of the limiting boss, a lower spring is fixedly arranged in the lower convex cavity, and the top of the lower spring is connected with a lower top shaft.
Further, the upper convex cavity and the lower convex cavity are coaxially arranged.
Further, a pressure sensor is installed at the top of the upper spring, and the pressure sensor is connected with a controller.
Further, reset springs are fixedly arranged on the left side and the right side of the bottom plate, and the reset springs on the two sides are respectively connected with the left sliding frame and the right sliding frame.
Further, the servo press-fitting device is a servo press, and the servo press is controlled by a controller.
A method for installing a rotor bearing of a direct current brushless motor comprises the following steps:
Positioning a rotor; placing the rotor into a movable clamping plate on a movable frame, driving an electric telescopic rod to drive the rotor to move towards one side of a fixed frame, transversely fixing the rotor by matching the movable clamping plate on the fixed frame, driving the movable clamping plates on two sides to vertically shrink by rotating a locking bolt on the movable clamping plate to vertically fix the rotor, then pressing the rotor to move downwards, judging whether a rotor shaft on the rotor can extend into a lower convex cavity of a limiting boss, judging that the rotor is positioned after the rotor shaft can extend into the lower convex cavity, and judging that the assembly deviation of a tool appears if the rotor shaft cannot extend into the lower convex cavity, and positioning and judging again after the tool is waited for correction;
positioning a bearing; the bearing is placed in the bearing groove, the bearing is adsorbed through the magnetic ring, and the bearing is positioned through the upper top shaft penetrating through the central hole of the bearing;
detecting the front and back surfaces of the bearing; detecting the color of the opposite surface of the bearing through a color sensor, detecting whether the front and the back of the bearing are placed correctly, and prompting workers to correct through a controller system alarm if the front and the back of the bearing are not placed correctly;
Press-in installation; the pressure head is moved downwards through the servo press to drive the bearing to be pressed downwards until the pressure value transmitted by the pressure sensor reaches a set value, and a signal is sent out through the controller to indicate that the pressing is in place.
The invention has the advantages that:
1. Color sensors are arranged in the bearing grooves, so that the color sensors can be used for identifying the upper color circle and the lower color circle of the bearing when the bearing is used, the correct installation of the front side and the back side is ensured, and the possibility of misloading is avoided. The novel high-temperature-resistant water heater is simple in structure, economical and practical, and can continuously improve the qualification rate of products in the use process, and the efficacy is improved.
2. The lower protruding cavity is formed in the limiting boss and used for accommodating the rotor shaft, positioning detection can be conducted on the rotor shaft conveniently, the fixed rotor is pressed down and moved before press fitting, whether the rotor shaft at the lower end of the rotor can be accurately aligned with the lower top shaft and inserted into the lower protruding cavity is judged, and the lower protruding cavity and the upper protruding cavity on the press head are fixedly and coaxially arranged, so that whether the pressing head, the rotor shaft and the limiting boss are located on the same axis can be effectively detected, press fitting deviation is avoided, and damage to the bearing and the rotor shaft is caused.
3. The upper spring is fixedly arranged in the upper convex cavity, the pressure sensor is mounted at the top of the upper spring and connected with the controller, the upper part rotor shaft of the rotor and the upper jacking shaft jacking column drive the upper jacking shaft to compress the upper spring during press fitting, the magnitude of the pressure value sensed by the pressure sensor is transmitted to the controller, when the pressure reaches a set threshold value, the press fitting is proved to be in place, the controller controls the servo press to drive the pressure head to reset, and the semi-automatic effect of the tool is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a block diagram of a rotor positioning device according to the present invention.
FIG. 3 is a schematic view of the internal portion of the ram of the present invention.
Fig. 4 is a diagram showing a first press-fit state according to the present invention.
Fig. 5 is a diagram showing a second press-fit state according to the present invention.
In the figure: 1a bottom plate, 2 support plates, 3 loading beams, 4 mounting bases, 5 controllers, 6 pressure heads, 7, bearing grooves 8, a magnetic ring 9, a color sensor 10, a limiting boss, 11 a movable frame, 12a fixed frame, 13 a locking plate, 14a locking bolt, 15 a movable clamping plate, 16 an electric telescopic rod, 17 a left sliding guide rail, 18, a left sliding frame, 19 a right sliding guide rail, 20 a right sliding frame, 21 an upper convex cavity, 22 an upper spring, 23 an upper top shaft, 24 a lower convex cavity, 25 a lower spring, 26 a lower top shaft, 27 a pressure sensor, 28 a return spring and 29 a servo press.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
1-5, A DC brushless motor rotor bearing mounting tool comprises a bottom plate 1, a supporting plate 2, a loading beam 3, servo press mounting equipment, a rotor positioning device and a mounting base 4, wherein the supporting plate 2 is fixed on two sides of the bottom plate 1, the loading beam 3 is fixed on the top of the supporting plate 2, a servo press 29 is mounted above the loading beam 3, a controller 5 is mounted on one side of the servo press 29, the servo press 29 is controlled by the controller 5, a pressure head 6 is connected with the bottom output end of the servo press 29, the pressure head 6 extends downwards through the loading beam 3, a bearing groove 7 is mounted on the head of the pressure head 6, a magnetic ring 8 is mounted on the side wall of the bearing groove 7, the bearing groove 7 is used for mounting a bearing, A color sensor 9 is arranged above the bearing groove 7, the color sensor 9 is connected with the controller 5, an upper convex cavity 21 is arranged on the pressure head 6, an upper spring 22 is fixedly arranged in the upper convex cavity 21, the bottom of the upper spring 22 is connected with an upper top shaft 23 which extends towards the bearing groove 7, after the bearing is arranged in the bearing groove 7, the upper top shaft 23 penetrates through a central hole of the bearing for positioning, the colors of the upper surface and the lower surface of the bearing are different, one black and one white, the color sensor 9 detects whether the front surface and the back surface of the bearing are placed correctly or not by detecting the colors of the corresponding bearing surfaces, the servo press 29 is controlled to be pressed and installed by the controller 5 if the front surface and the back surface of the bearing are correct, and a worker is prompted to correct if the front surface and the back surface of the bearing are incorrect by a system alarm, The top of the upper spring 22 is provided with a pressure sensor 27, the pressure sensor 27 is connected with the controller 5, in the press fitting process, the rotor shaft at the upper half part of the rotor can prop against the upper top shaft 23 to enable the rotor shaft to move upwards to compress the upper spring 22, the upper spring 22 applies acting force to the pressure sensor 27, after the press fitting is in place, the pressure value fed back by the pressure sensor 27 reaches a set threshold value, the controller 5 controls the servo press 29 to reset the pressure head 6, the next press fitting is prepared, the mounting base 4 is provided with a limiting boss 10, a lower convex cavity 24 is arranged in the middle of the limiting boss 10, a lower spring 25 is fixedly arranged in the lower convex cavity 24, the top of the lower spring 25 is connected with a lower top shaft 26, The limiting boss 10 is used for limiting downward movement of the rotor during press fitting, the lower protruding cavity 24 is used for accommodating a rotor shaft of the lower half part of the rotor, the diameter of the lower top shaft 26 is the same as that of the rotor shaft, as the upper protruding cavity 21 and the lower protruding cavity 24 are coaxially arranged, whether the rotor shaft is in a coaxial position or not when being contacted with the lower fixed shaft is judged by naked eyes in the rotor pressing process, whether the rotor position is aligned or not is judged, a rotor positioning device is further arranged between the limiting boss 10 and the pressure head 6, two sides of the rotor positioning device are respectively connected with the supporting plate 2 through sliding devices, the rotor positioning device comprises a movable frame 11 and a fixed frame 12, a pair of locking plates 13 are slidably arranged at the upper end and the lower end of the opposite surface of the movable frame 11 and the fixed frame 12, A movable clamping plate 15 is connected between each pair of locking plates 13 through a locking bolt 14, one side of the movable frame 11 far away from the locking plates 13 is connected with an electric telescopic rod 16, the sliding device comprises a left sliding guide rail 17, a left sliding frame 18, a right sliding guide rail 19 and a right sliding frame 20 which are symmetrically arranged, the left sliding guide rail 17 and the right sliding guide rail 19 are respectively fixed on the supporting plates 2 at two sides, the left sliding guide rail 17 and the right sliding guide rail 19 are correspondingly and slidably connected with the left sliding frame 18 and the right sliding frame 20, the left sliding frame 18 is connected with the electric telescopic rod 16, the movable frame 11 and the electric telescopic rod 16 can slide along with the left sliding frame 18 within the range of the left sliding guide rail 17, The right sliding frame 20 is connected with the fixed frame 12, the fixed frame 12 can slide along with the right sliding frame 20 in the range of the right sliding guide rail 19, the reset springs 28 are fixedly arranged on the left side and the right side of the bottom plate 1, the reset springs on the two sides are respectively connected with the left sliding frame 18 and the right sliding frame 20, and after the press mounting is finished, the reset springs 28 push the left sliding frame 18 and the right sliding frame 20 to reset. during press fitting, the return spring 28 can also play a certain buffering role on the rotor and the corresponding fixing device, and damage caused by too fast movement is avoided.
Example 2
A method for installing a rotor bearing of a direct current brushless motor comprises the following steps:
Positioning a rotor; putting the rotor into a movable clamping plate 15 on a movable frame 11, driving an electric telescopic rod 16 to drive the rotor to move towards one side of a fixed frame 12, transversely fixing the rotor by matching the movable clamping plate 15 on the fixed frame 12, driving the movable clamping plates 15 on two sides to vertically shrink by rotating an adjusting bolt on the movable clamping plate 15 to vertically fix the rotor, pressing the rotor to move downwards, judging whether a rotor shaft on the rotor can extend into a lower convex cavity 24 of a limiting boss 10, judging that the rotor can be positioned after the rotor shaft is extended, and judging that the assembly deviation of a tool appears if the rotor shaft cannot be positioned after the rotor shaft is corrected;
positioning a bearing; the bearing is placed in the bearing groove 7, the bearing is adsorbed through the magnetic ring 8, and the bearing is positioned through the upper top shaft 23 penetrating through the central hole of the bearing;
Detecting the position of a bearing; detecting the color of the opposite surface of the bearing through a color sensor 9, detecting whether the front and the back of the bearing are placed correctly, and prompting workers to correct through a controller 5 system alarm if the front and the back of the bearing are placed incorrectly;
Press-in installation; the ram 6 is moved down by the servo press 29, driving the bearing to press down until the pressure value transmitted by the pressure sensor 27 reaches the set value, and a signal is sent by the controller 5 to indicate that the press-fitting is in place.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A DC brushless motor rotor bearing installation frock, its characterized in that: including bottom plate (1), backup pad (2), loading beam (3), servo pressure equipment, rotor positioner and installation base (4), the both sides of bottom plate (1) are fixed with backup pad (2), the top of backup pad (2) is fixed with loading beam (3), servo pressure equipment is installed to the top of loading beam (3), controller (5) are installed to servo pressure equipment one side, servo pressure equipment includes pressure head (6), pressure head (6) pass loading beam (3) downwardly extending, bearing groove (7) are installed to the head of pressure head (6), be equipped with magnetic ring (8) on the lateral wall of bearing groove (7), colour sensor (9) are installed to the top of bearing groove (7), colour sensor (9) are connected with controller (5), be equipped with spacing boss (10) on installation base (4), still be equipped with rotor positioner between spacing boss (10) and pressure head (6), rotor positioner both sides are connected with backup pad (2) respectively through slider, rotor positioner (11) and two opposite lock bolt (12) are equipped with to mount (12) and two opposite side, mount (12) and two opposite lock bolt (13), the locking plate (13) is connected with a movable clamping plate (15) through a locking bolt (14), one side of the movable frame (11) away from the locking plate (13) is connected with an electric telescopic rod (16), the sliding device comprises a left sliding guide rail (17), a left sliding frame (18) and a right sliding guide rail (19) which are symmetrically arranged and a right sliding frame (20), the left sliding guide rail (17) and the right sliding guide rail (19) are respectively fixed on a supporting plate (2) on two sides, the left sliding guide rail (17) and the right sliding guide rail (19) are correspondingly connected with the left sliding frame (18) and the right sliding frame (20) in a sliding manner, the left sliding frame (18) is connected with the electric telescopic rod (16), the right sliding frame (20) is connected with a fixed frame (12), an upper convex cavity (21) is formed in the upper convex cavity (21), an upper spring (22) is fixedly arranged in the upper part of the upper sliding guide rail, an upper top shaft (23) extending towards the bottom of the upper spring (6), a lower convex cavity (24) is formed in the middle of the upper convex cavity (10), a lower convex cavity (24) is formed in the lower convex cavity (24), a lower convex cavity (25) is coaxially arranged in the upper convex cavity (24), the top of the upper spring (22) is provided with a pressure sensor (27), and the pressure sensor (27) is connected with the controller (5).
2. The direct current brushless motor rotor bearing mounting tool according to claim 1, wherein: return springs (28) are fixedly arranged on the left side and the right side of the bottom plate (1), and the return springs (28) on the two sides are respectively connected with the left sliding frame (18) and the right sliding frame (20).
3. The direct current brushless motor rotor bearing mounting tool according to claim 1, wherein: the servo press-fitting device is a servo press (29), and the servo press (29) is controlled by the controller (5).
4. The method for installing the rotor bearing of the direct current brushless motor is characterized by comprising the following steps of:
Positioning a rotor; putting the rotor into a movable clamping plate (15) on a movable frame (11), driving an electric telescopic rod (16) to drive the rotor to move towards one side of a fixed frame (12), transversely fixing the rotor by matching the movable clamping plate (15) on the fixed frame (12), driving the movable clamping plates (15) on two sides to vertically shrink by rotating a locking bolt (14) on the movable clamping plate (15) to vertically fix the rotor, then pressing the rotor to move downwards, judging whether a rotor shaft on the rotor can extend into a lower convex cavity (24) of a limiting boss (10), judging that the rotor is positioned completely if the rotor shaft can extend into the lower convex cavity, judging that the assembly deviation of a tool appears if the rotor shaft cannot extend into the lower convex cavity, and carrying out positioning judgment again after waiting for correction;
Positioning a bearing; the bearing is placed in a bearing groove (7), the bearing is adsorbed through a magnetic ring (8), and the bearing is positioned through the center hole of the bearing penetrated by an upper top shaft (23);
detecting the front and back surfaces of the bearing; detecting the color of the opposite surface of the bearing through a color sensor (9), detecting whether the front and the back of the bearing are placed correctly, and prompting workers to correct through a controller (5) system alarm if the front and the back of the bearing are placed incorrectly;
Press-in installation; the pressure head (6) is moved downwards through the servo press (29) to drive the bearing to press downwards until the pressure value transmitted by the pressure sensor (27) reaches a set value, and a signal is sent out through the controller (5) to indicate that the pressing is in place.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837646.0A CN111890015B (en) | 2020-08-19 | 2020-08-19 | A DC brushless motor rotor bearing installation tool and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010837646.0A CN111890015B (en) | 2020-08-19 | 2020-08-19 | A DC brushless motor rotor bearing installation tool and method |
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| Publication Number | Publication Date |
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| CN111890015A CN111890015A (en) | 2020-11-06 |
| CN111890015B true CN111890015B (en) | 2024-11-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112476299B (en) * | 2020-11-13 | 2022-04-29 | 本田金属技术（佛山）有限公司 | Bushing pressure head structure and using method thereof |
| CN115415778B (en) * | 2022-08-18 | 2024-04-12 | 亚系机械装配(苏州)有限公司 | Water valve shell press fitting equipment |
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| FR2654479B1 (en) * | 1989-11-14 | 1992-02-07 | Advanced Technology Research S | METHOD FOR MOUNTING AXLE BEARINGS, PARTICULARLY ENCODERS, DEVICE FOR CARRYING OUT SAID METHOD AND ENCODERS THUS OBTAINED. |
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| CN202877830U (en) * | 2012-09-29 | 2013-04-17 | 浙江信源电器制造有限公司 | Rotor front and back bearings and central cover synchronous press-in machine |
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| CN111890015A (en) | 2020-11-06 |
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