CN218102927U - Torque motor adopting integrated bearing - Google Patents
Torque motor adopting integrated bearing Download PDFInfo
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- CN218102927U CN218102927U CN202221579562.2U CN202221579562U CN218102927U CN 218102927 U CN218102927 U CN 218102927U CN 202221579562 U CN202221579562 U CN 202221579562U CN 218102927 U CN218102927 U CN 218102927U
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- inner race
- bearing inner
- drive shaft
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Abstract
The utility model discloses an adopt torque motor of integral type bearing, including motor casing, integral type bearing, permanent magnet rotor and motor stator, the integral type bearing includes bearing inner race, bearing inner race and bearing roller, the bearing inner race outside can be located to the pivoted cover in the bearing inner race, is formed with the raceway between bearing inner race and the bearing inner race, and the bearing roller can rolling locate in the raceway, bearing inner race axial one end integrated into one piece has the connecting axle that is used for connecting rotary part, and bearing inner race axial other end integrated into one piece has the drive shaft, the coaxial fixed mounting of permanent magnet rotor is in the drive shaft, and motor stator fixed mounting is on the motor casing inside wall, permanent magnet rotor can the pivoted insert locate motor stator inboard, the utility model discloses need not assemble motor spindle, the equipment is more convenient, and transmission part still less, and motor output precision is higher.
Description
Technical Field
The utility model relates to a motor, in particular to adopt torque motor of integral type bearing.
Background
The connection of shell and motor spindle is realized through the bearing inside all at present the motor, and the permanent magnet rotor of motor is fixed mounting on motor spindle, and motor spindle installs at the bearing inner race inboard, and motor spindle both ends are connected through connecting piece and rotary part and encoder etc. and the motor structure is complicated, need assemble a plurality of parts in the assembling process and carry out the transmission, because the existence of equipment error, leads to motor spindle output accuracy to be restricted, is difficult to realize the processing of super high accuracy part.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides an adopt the torque motor of integral type bearing, this adopt the torque motor of integral type bearing to avoid the transmission error that equipment leads to many times, improved the motor precision, be favorable to improving work piece machining precision.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides an adopt torque motor of integral type bearing, includes motor casing, integral type bearing, permanent magnet rotor and motor stator, integral type bearing includes bearing inner race, bearing inner race and bearing roller, the bearing inner race outside can be located to the pivoted cover in the bearing inner race, is formed with the raceway between bearing inner race and the bearing inner race, and the bearing roller can rolling locate in the raceway, bearing inner race axial one end integrated into one piece has the connecting axle that is used for connecting rotary part, and bearing inner race axial other end integrated into one piece has the drive shaft, the coaxial fixed mounting of permanent magnet rotor is in the drive shaft, and motor stator fixed mounting is on the motor casing inside wall, permanent magnet rotor can the pivoted insert and locate motor stator inboard.
As the utility model discloses a further improvement, connecting axle axial terminal surface forms first flange face, is equipped with on the first flange face be used for with rotary part axial terminal surface fixed connection's a plurality of threaded connection hole sites, is formed with round annular seal groove on the connecting axle circumference lateral surface, fixed mounting sealing washer in the seal groove, sealing washer can elasticity tightly support rotary part inboard surface.
As a further improvement, be formed with round rotor location benchmark anchor ring on the drive shaft tip circumference lateral surface, drive shaft axial end face forms second flange face, be equipped with a plurality of screw holes on the second flange face, the permanent magnet rotor center is formed with the countersunk head through-hole, drive axle head tip is inserted in the countersunk head of locating permanent magnet rotor countersunk head through-hole, the countersunk head circumference lateral wall of permanent magnet rotor countersunk head through-hole closely laminate in screw hole fixed connection on rotor location benchmark anchor ring, the countersunk head underrun connecting screw of permanent magnet rotor countersunk head through-hole and the second flange face.
As the utility model discloses a further improvement still is equipped with the encoder, still be equipped with annular encoder installation reference surface and the radial first step ring that expands outward on the drive shaft circumference lateral wall, be formed with encoder connection screw on the step face of first step ring, the encoder cover is located the encoder installation reference surface outside on the drive shaft circumference lateral wall, and it is fixed that encoder axial terminal surface passes through connecting screw and encoder connection screw threaded connection.
As the utility model discloses a further improvement still is equipped with support bearing, form support bearing installation reference surface on the first step ring circumference lateral wall, still be equipped with second step ring on the drive shaft circumference lateral wall, second step ring external diameter is greater than first step ring external diameter, and second step ring, first step ring and drive shaft circumference off-axial side form two-stage stair structure jointly, support bearing installation reference surface outside is located to support bearing's the fixed cover of inner circle, and support bearing's axial terminal surface backstop is on the axial terminal surface of second step ring towards first step ring one end, and the motor casing inboard is formed with one end annular support ring, the fixed inserting of support bearing outer lane is located the support ring is inboard.
As a further improvement of the utility model, the support bearing is deep groove ball bearing.
As a further improvement, the connecting axle external diameter is less than the bearing inner race external diameter of integral type bearing, connecting axle outside cover is equipped with an annular brake block, be equipped with the brake block on the step face that the bearing inner race one end of integral type bearing and connecting axle formed and connect the screw, the screw passes through screw fixed connection with the brake block is connected to annular brake block, elastic deformation can take place along its axial for annular brake block, motor casing axial one end be equipped with the just right brake friction portion of annular brake block terminal surface, the axial terminal surface of annular brake block outer fringe portion with brake friction portion is just setting up the interval, still is equipped with brake driving part, brake driving part can drive annular brake block warp and make its outer marginal portion's axial terminal surface closely laminate with brake friction portion.
As a further improvement, the connecting axle and the drive shaft inboard at bearing inner race and both ends are formed with the cavity passageway that is used for crossing the line, the cavity passageway is formed with internal diameter increase step ring towards drive shaft one end, internal diameter increase step ring is formed with the sealing washer mounting groove on the surface, the sealing washer is located to sealing washer mounting groove internal fixation, and the sealing washer can with insert the pipeline sealing contact of locating in the cavity passageway.
As a further improvement of the utility model, the integral type bearing is cross roller bearing.
The utility model has the advantages that: the utility model discloses a set up the integral type bearing in the motor, by integrative extension formation connecting axle and the drive shaft in bearing inner race both ends, be used for installing respectively in rotary part, permanent magnet rotor and encoder etc. do not need equipment motor spindle, it is more convenient to assemble, and drive disk still less, and motor output end precision is higher, and the inside cavity passageway that forms of bearing inner race, makes things convenient for the last cable of rotary part to pass, prevents that rotatory in-process from taking place the cable winding.
Drawings
FIG. 1 is a schematic view of the structure principle of the present invention;
FIG. 2 is a front view of the integrated bearing;
FIG. 3 is a left side view of the integrated bearing;
fig. 4 is a right side view of the integrated bearing.
Detailed Description
The embodiment is as follows: the utility model provides an adopt torque motor of integral type bearing, includes motor casing 1, integral type bearing, permanent magnet rotor 2 and motor stator 3, the integral type bearing includes bearing inner race 4, bearing inner race 5 and bearing roller, bearing inner race 5 outside can be located to the pivoted cover of bearing inner race 4, is formed with raceway 6 between bearing inner race 4 and the bearing inner race 5, and the bearing roller can rolling locate in the raceway 6, 5 axial one end integrated into one piece of bearing inner race have a connecting axle 7 that is used for connecting rotary part, and 5 axial other end integrated into one piece of bearing inner race have a drive shaft 8, the coaxial fixed mounting of permanent magnet rotor 2 is on drive shaft 8, and motor stator 3 fixed mounting is on the 1 inside wall of motor casing, permanent magnet rotor 2 can the pivoted insert and locate motor stator 3 inboardly.
The integrated connecting shaft and the driving shaft are formed in the mode that the two ends of the bearing inner ring of the integrated bearing extend axially respectively, the connecting shaft is used for installing a front motor cover plate and an external rotating part and used for realizing the rotating processing of a workpiece, the driving shaft is used for installing a permanent magnet rotor and a rear motor cover of a motor, the rotation of the bearing inner ring is realized through the interaction of the permanent magnet rotor and a motor stator, the bearing inner ring of the integrated bearing forms the connecting shaft, a rotating shaft and a connecting output part do not need to be assembled in the bearing inner ring, the accumulated error of the power output end of the motor due to the composition of multiple parts is reduced, and the precision of the power output of the motor is greatly improved.
The connecting shaft 7 axial end face forms first flange face 9, is equipped with on the first flange face 9 to be used for with rotary part axial end face fixed connection's a plurality of threaded connection hole sites, is formed with round annular seal groove 10 on the 7 axial circumference lateral surfaces of connecting shaft, fixed mounting sealing washer in the seal groove, the sealing washer can elasticity tightly support rotary part inboard surface. The installation of motor front shroud and outside rotary part is realized through first flange face, simple to operate, firm.
The utility model discloses a rotor positioning reference anchor ring, including drive shaft 8, 8 end circumference lateral surfaces of drive shaft are formed with round rotor positioning reference anchor ring 11, and 8 axial terminal surfaces of drive shaft form second flange face 12, be equipped with a plurality of screw holes on the second flange face 12, 2 centers of permanent magnet rotor are formed with the countersunk head through-hole, 8 end tip of drive shaft are inserted and are located in the countersunk head of 2 countersunk head through-holes of permanent magnet rotor, the countersunk head circumference lateral wall of 2 countersunk head through-holes of permanent magnet rotor closely laminate in rotor positioning reference anchor ring 11, the countersunk head underrun of 2 countersunk head through-holes of permanent magnet rotor pass through screw and the screw hole fixed connection on the second flange face 12.
When the permanent magnet rotor 2 is assembled, the inner hole of the permanent magnet rotor 2 is sleeved on the rotor positioning reference ring surface 11 to realize coaxial positioning, and meanwhile, the permanent magnet rotor 2 is locked and connected through the second flange surface 12, so that the permanent magnet rotor 2 is firmly and accurately positioned at the end part of the driving shaft.
Still be equipped with the encoder, still be equipped with annular encoder installation reference surface 13 and the radial first step ring that expands outward on the 8 circumference lateral walls of drive shaft, be formed with encoder connection screw 14 on the step face of first step ring, the 13 outsides of encoder installation reference surface on the 8 circumference lateral walls of drive shaft are located to the encoder cover, and encoder axial end face passes through connecting screw and encoder connection screw 14 threaded connection is fixed. Through with the encoder cover in the 13 outsides of encoder installation reference surface, realized the coaxial location of encoder with the drive shaft, then connect screw 14 with the encoder locking location through the encoder on the step face of first step ring, realized the location of encoder in the drive shaft for respond to drive shaft rotation angle, so that control system carries out accurate control to motor rotation angle.
Still be equipped with support bearing 15, form support bearing installation reference surface 16 on the first step ring circumference lateral wall, still be equipped with second step ring 17 on the 8 circumference lateral walls of drive shaft, second step ring 17 external diameter is greater than first step ring external diameter, and second step ring 17, first step ring and the 8 circumference off-axial sides of drive shaft form two-stage stair structure jointly, support bearing installation reference surface 16 outsides are located to support bearing 15's inner circle fixed cover, and support bearing 15's axial terminal surface backstop is on the axial terminal surface of second step ring 17 towards first step ring one end, and motor casing 1 inboard is formed with one end annular support ring 18, support bearing 15 outer lane 4 is fixed to be inserted and is located support ring inboard. Through set up support bearing in the longer drive shaft outside of axial length, support bearing just is located bearing inner race axial both ends with the bearing inner race of integral type bearing, has realized being the stable support of the bearing inner race of bearing to an organic whole, has improved the rigidity and the operating stability of integral type bearing greatly.
The support bearing 15 is a deep groove ball bearing.
The external diameter of connecting axle 7 is less than 5 external diameters of bearing inner race of integral type bearing, the cover is equipped with an annular brake block 19 in the connecting axle 7 outside, the step face that 5 one end of bearing inner race and connecting axle 7 of integral type bearing formed is equipped with brake block connection screw 20, and annular brake block 19 is connected screw 20 with the brake block and is passed through screw fixed connection, elastic deformation can take place along its axial for annular brake block 19, motor casing 1 axial one end be equipped with the just right brake friction portion 21 of annular brake block 19 terminal surface, the axial terminal surface of 19 outer fringe portions of annular brake block with brake friction portion 21 is just setting up to the interval, still is equipped with the brake drive part, the brake drive part can drive annular brake block 19 warp the axial terminal surface that makes its outer fringe portion and brake friction portion 21 closely laminate. Through the brake block that can axial deformation of installation on the connecting axle, extrude the brake block through the brake actuating unit on the motor casing and make its deformation in close contact with brake friction portion 21 on the motor casing, and then realize the stall brake of bearing inner race, the brake actuating unit can be for locating the piston in the motor casing, realizes piston bearing through giving gas and removes extrusion brake block, also can be other motion, as long as can force the brake block deformation tightly to realize the brake on brake friction portion 21.
Bearing inner race 5 and the connecting axle 7 and the drive shaft 8 inboard at both ends are formed with the cavity passageway 22 that is used for crossing the line, cavity passageway 22 is formed with internal diameter increase step ring towards drive shaft 8 one end, be formed with sealing washer mounting groove 23 on the internal diameter increase step ring surface, the sealing washer is located to sealing washer mounting groove 23 internal fixation, and the sealing washer can with insert the pipeline sealing contact who locates in cavity passageway 22. The hollow channel inside the bearing inner ring 5 can be used for wiring, the sealing ring can realize the internal sealing of the bearing inner ring, the sealing ring is dustproof and anti-pollution, the inner side of the end part of the driving shaft can be used for sealing and assembling a motor rear cover plate, and a hole for a pipeline to pass through can be formed in the motor rear cover plate.
The integrated bearing is a cross roller bearing. The cross roller bearing can bear radial and axial forces.
Claims (9)
1. The utility model provides an adopt torque motor of integral type bearing which characterized in that: including motor casing (1), integral type bearing, permanent magnet rotor (2) and motor stator (3), the integral type bearing includes bearing inner race (4), bearing inner race (5) and bearing roller, the bearing inner race outside can be located to the pivoted cover in the bearing inner race, is formed with raceway (6) between bearing inner race and the bearing inner race, and the bearing roller can rolling locate in the raceway, bearing inner race axial one end integrated into one piece has connecting axle (7) that are used for connecting rotary part, and bearing inner race axial other end integrated into one piece has drive shaft (8), the coaxial fixed mounting of permanent magnet rotor is in the drive shaft, and motor stator fixed mounting is on the motor casing inside wall, permanent magnet rotor can the pivoted insert and locate motor stator inboardly.
2. The torque motor using an integrated bearing according to claim 1, wherein: the connecting shaft axial end face forms first flange face (9), is equipped with on the first flange face to be used for with rotary part axial end face fixed connection's a plurality of threaded connection hole sites, is formed with round annular seal groove (10) on the connecting shaft circumference lateral surface, fixed mounting sealing washer in the seal groove, the sealing washer can elasticity tightly support rotary part inboard surface.
3. The torque motor using an integrated bearing according to claim 1, wherein: be formed with round rotor location benchmark anchor ring (11) on the drive shaft tip circumference lateral surface, drive shaft axial end face forms second flange face (12), be equipped with a plurality of screw holes on the second flange face, permanent magnet rotor center is formed with the countersunk head through-hole, drive shaft tip is inserted in the countersunk head of locating permanent magnet rotor countersunk head through-hole, the countersunk head circumference lateral wall of permanent magnet rotor countersunk head through-hole tightly laminate in rotor location benchmark anchor ring, the countersunk head underrun of permanent magnet rotor countersunk head through-hole is through connecting screw and the screw hole fixed connection on the second flange face.
4. The torque motor using an integrated bearing according to claim 1, wherein: still be equipped with the encoder, still be equipped with annular encoder installation reference surface (13) and the first step ring that radially expands outward on the drive shaft circumference lateral wall, be formed with encoder connection screw (14) on the step face of first step ring, the encoder installation reference surface outside on the drive shaft circumference lateral wall is located to the encoder cover, and encoder axial end face passes through connecting screw and encoder connection screw threaded connection is fixed.
5. The torque motor using the integrated bearing according to claim 4, wherein: still be equipped with support bearing (15), form support bearing installation reference surface (16) on the first step ring circumference lateral wall, still be equipped with second step ring (17) on the drive shaft circumference lateral wall, second step ring external diameter is greater than first step ring external diameter, and second step ring, first step ring and drive shaft circumference axle lateral surface form two-stage stair structure jointly, the support bearing installation reference surface outside is located to the fixed cover of inner circle of support bearing, and the axial terminal surface backstop of support bearing is located on the axial terminal surface of second step ring towards first step ring one end, and the motor casing inboard is formed with one end annular support ring (18), the support bearing outer lane is fixed to be inserted and is located the support ring inboard.
6. The torque motor using the integrated bearing according to claim 5, wherein: the supporting bearing is a deep groove ball bearing.
7. The torque motor using an integrated bearing according to claim 1, wherein: the connecting axle external diameter is less than the bearing inner race external diameter of integral type bearing, the connecting axle outside cover is equipped with an annular brake block (19), be equipped with brake block connection screw (20) on the bearing inner race one end of integral type bearing and the step face that the connecting axle formed, the screw passes through screw fixed connection is connected with the brake block to annular brake block, elastic deformation can take place along its axial to annular brake block, motor casing axial one end be equipped with just right brake friction portion (21) of annular brake block terminal surface, the axial terminal surface of annular brake block outer fringe portion with brake friction portion is just setting up to the interval, still is equipped with the brake drive part, the brake drive part can drive annular brake block warp the axial terminal surface that makes its outer fringe portion and brake friction portion closely laminate.
8. The torque motor using the integral bearing according to claim 1, wherein: bearing inner race and the connecting axle at both ends and drive shaft inboard are formed with and are used for crossing the cavity passageway (22) of line, cavity passageway is formed with internal diameter increase step ring towards drive shaft one end, be formed with sealing washer mounting groove (23) on the internal diameter increase step ring surface, the sealing washer is located to sealing washer mounting groove internal fixation, and the sealing washer can with insert the pipeline sealing contact who locates in the cavity passageway.
9. The torque motor using an integrated bearing according to claim 1, wherein: the integrated bearing is a cross roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221579562.2U CN218102927U (en) | 2022-06-17 | 2022-06-17 | Torque motor adopting integrated bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221579562.2U CN218102927U (en) | 2022-06-17 | 2022-06-17 | Torque motor adopting integrated bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218102927U true CN218102927U (en) | 2022-12-20 |
Family
ID=84476160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221579562.2U Active CN218102927U (en) | 2022-06-17 | 2022-06-17 | Torque motor adopting integrated bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218102927U (en) |
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2022
- 2022-06-17 CN CN202221579562.2U patent/CN218102927U/en active Active
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