CN220527801U - Servo electric cylinder driven by ball screw - Google Patents
Servo electric cylinder driven by ball screw Download PDFInfo
- Publication number
- CN220527801U CN220527801U CN202322190309.9U CN202322190309U CN220527801U CN 220527801 U CN220527801 U CN 220527801U CN 202322190309 U CN202322190309 U CN 202322190309U CN 220527801 U CN220527801 U CN 220527801U
- Authority
- CN
- China
- Prior art keywords
- ball screw
- self
- rubber ring
- braking
- friction rubber
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 10
- 230000001939 inductive effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Abstract
The utility model discloses a ball screw driven servo electric cylinder, which comprises a ball screw and a motor, wherein a base for supporting the ball screw is arranged on the motor, a self-locking braking mechanism for self-locking a ball screw nut table is arranged on the ball screw, and an auxiliary braking mechanism for auxiliary self-locking of the ball screw nut table is arranged on the base.
Description
Technical Field
The utility model relates to the field of electric cylinders, in particular to a ball screw driven servo electric cylinder.
Background
The ball screw electric cylinder is a linear actuator in which an electric motor is coupled to a ball screw mechanism. The ball screw mechanism converts rotary motion into linear motion, the motor drives the ball screw to rotate, the piston of the electric cylinder is enabled to move, and the ball screw motor drives a pair of ball screw nuts after gear reduction. The rotary motion of the motor is changed into linear motion, and the push rod action is completed by the forward and reverse rotation of the motor.
The motor is arranged in the electric cylinder, the motor converts the rotary motion of the motor into the rotary motion of the ball screw through a gear or a belt, when the motor on the ball screw is electrified, the ball screw shaft rotates, the balls in the ball bearing move along the vertical screw groove of the ball screw, and the balls in the ball bearing can move along the vertical screw groove of the ball screw due to friction force between the ball bearings. With the movement of the ball bearing, the ball screw shaft is also subjected to power transmission, and the rotational movement of the ball screw causes movement of the threaded screw, thereby moving the piston in the electric cylinder. Thus, the electric cylinder can realize accurate control of the position of the piston by controlling the rotation of the motor.
The ball screw has good transmission precision and small power loss, and can greatly improve the efficiency of the mechanical device; the ball screw pair has high positioning precision and repeated positioning precision, and meanwhile, the structure is relatively simple, and the design and manufacturing cost is reduced; in addition, the maintenance and repair of the ball screw is relatively easy.
But the ball is because the relation of dead weight inertial force, and the motion part can not auto-lock after the transmission stops for the ball has certain reversibility, needs to add arresting gear, prevents the emergence of the circumstances of ball contrary transmission, and this application aims at setting up dual arresting gear and brakes ball, improves ball's auto-lock braking performance, prevents ball contrary transmission, and sets up flexible braking to ball, avoids ball to produce wearing and tearing at frequent auto-lock braking in-process.
Disclosure of Invention
The utility model aims to provide a ball screw driven servo electric cylinder to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a ball screw driven servo electric cylinder, servo electric cylinder includes ball and motor, is equipped with the base that is used for supporting ball on the motor, is equipped with the auto-lock braking mechanism that is used for carrying out the auto-lock to ball nut platform on the ball, is equipped with the auxiliary braking mechanism that is used for ball nut platform to carry out auxiliary auto-lock on the base, and auto-lock braking mechanism includes the braking platform, and the braking platform is installed respectively in nut platform both sides, and can dismantle with the nut platform and be connected.
By adopting the technical scheme: the base is used for supporting the ball screw, the self-locking braking device can perform self-locking braking on the nut table of the ball screw when the ball screw motor stops, the auxiliary braking mechanism can perform auxiliary braking on the nut table, and the self-locking automatic performance of the ball screw is improved.
Further set up: the self-locking braking mechanism comprises a self-locking installation seat, the self-locking installation seat is detachably connected with the braking table, an annular groove is formed in the self-locking installation seat, a friction rubber ring used for braking the nut table is arranged in the annular groove, the friction rubber ring is sleeved on the ball screw, a telescopic spring used for installing and fixing the friction rubber ring is arranged in the annular groove, and a movable telescopic piece used for driving the aperture of the friction rubber ring to change is arranged on the friction rubber ring.
By adopting the technical scheme: the braking seat can support the self-locking installation seat, the friction rubber ring is arranged inside the annular groove and sleeved on the ball screw, the friction rubber ring is not in contact connection with the screw, the telescopic spring supports and fixes the friction rubber ring, the aperture of the friction rubber ring can be expanded or reduced, the movable telescopic piece can drive the aperture of the friction rubber ring to change, and therefore the ball screw is self-locked.
Further set up: the movable telescopic piece comprises a lantern ring, the lantern ring is sleeved on the ball screw and is in non-contact connection with the ball screw, an inclined support plate used for expanding or shrinking the aperture of the friction rubber ring is arranged on the lantern ring, the inclined support plate is embedded inside the friction rubber ring and is fixedly connected with the friction rubber ring, one side, away from the friction rubber ring, of the inclined support plate is connected with the lantern ring through a rotating shaft, movable air cylinders used for driving the lantern ring to move are arranged on a braking table, the number of the movable air cylinders is two, a linkage rod is arranged on the movable air cylinders, and the linkage rod is detachably connected with the lantern ring.
By adopting the technical scheme: the inclined support plate on the lantern ring can support the periphery of the friction rubber ring, the aperture of the friction rubber ring is convenient to open or shrink, the rotating shaft can enable the inclined support plate to adjust inclination, the movable cylinder drives the linkage rod to move, the lantern ring is driven to move, the inclined support plate can open or shrink the aperture of the friction rubber ring through moving the position of the lantern ring, the friction rubber ring is not connected with the ball screw when being open, the friction rubber ring is coated on the ball screw when being shrunk, and therefore self-locking braking is carried out on the nut table.
Further set up: the auxiliary braking mechanism comprises a traction table, the traction table is detachably connected with a braking table, a through groove is formed in the traction table, gears are arranged in the through groove, two sides of each gear are connected with the through groove through bearings, a notch is formed in the base and corresponds to the position of each gear, a rack for gear rolling is arranged in the notch, a lifting cylinder for driving the rack to incline to brake the gears is arranged in the notch, and the lifting cylinder is detachably connected with the notch and the rack respectively.
By adopting the technical scheme: the traction table is used for fixing the gear, the rack on the base can be supported by the ball screw on the gear, when self-locking braking is needed, the lifting cylinder can drive the rack to incline, the gear is prevented from rotating, and the braking effect is achieved.
Further set up: the brake table and the lifting block are internally provided with an inductive switch for opening and closing the inductive motor, and the inductive switch is electrically connected with the movable cylinder and the lifting cylinder.
By adopting the technical scheme: the inductive switch can be used for inducing the opening and closing of the motor, and driving the movable cylinder and the lifting cylinder to carry out self-locking on the nut table in real time.
Further set up: be equipped with a plurality of support frames that are used for unable adjustment base to support on the motor, the inside notch that is equipped with of support frame, the support frame passes through the notch cover to be established on the motor, and the connection can be dismantled to support frame and base.
By adopting the technical scheme: the support frame can support the base to support servo electronic jar.
Compared with the prior art, the utility model has the beneficial effects that: the ball screw is braked by the double braking device, so that the self-locking braking performance of the ball screw is improved, the ball screw is prevented from being reversely driven, and the ball screw is flexibly braked, so that the ball screw is prevented from being worn in the frequent self-locking braking process.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a schematic view of a ball screw driven servo motor cylinder according to the present utility model;
FIG. 2 is a partial schematic view of a ball screw driven servo motor cylinder of the present utility model;
fig. 3 is an overall cross-sectional view of a ball screw driven servo motor cylinder of the present utility model.
In the figure, 1, a ball screw; 2. a motor; 3. a base; 4. a brake table; 5. self-locking mounting seats; 6. rubbing the rubber ring; 7. a telescopic spring; 8. a collar; 9. a tilting support plate; 10. a moving cylinder; 11. a linkage rod; 12. a traction table; 13. a gear; 14. a rack; 15. a lifting cylinder; 16. and (5) supporting frames.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, in an embodiment of the present utility model, a ball screw driven servo electric cylinder includes a ball screw 1 and a motor 2, the motor 2 is provided with a base 3 for supporting the ball screw 1, the motor 2 is provided with a plurality of support frames 16 for fixing the base 3 for supporting, the support frames 16 are internally provided with slots, the support frames 16 are sleeved on the motor 2 through the slots, the support frames 16 are detachably connected with the base 3, and the support frames 16 can support the base 3, so as to support the servo electric cylinder.
The self-locking braking mechanism for self-locking the nut table of the ball screw 1 is arranged on the ball screw 1, the auxiliary braking mechanism for auxiliary self-locking the nut table of the ball screw 1 is arranged on the base 3, the self-locking braking mechanism comprises two braking tables 4, the number of the braking tables 4 is two, and the braking tables 4 are respectively arranged on two sides of the nut table and are detachably connected with the nut table.
The base 3 is used for supporting the ball screw 1, the self-locking braking device can perform self-locking braking on a nut table of the ball screw 1 when the motor 2 of the ball screw 1 stops, and the auxiliary braking mechanism can perform auxiliary braking on the nut table, so that the self-locking automatic performance of the ball screw 1 is improved.
The self-locking braking mechanism comprises a self-locking installation seat 5, the self-locking installation seat 5 is detachably connected with a braking table 4, an annular groove is formed in the self-locking installation seat 5, a friction rubber ring 6 used for braking a nut table is arranged in the annular groove, the friction rubber ring 6 is sleeved on the ball screw 1, a telescopic spring 7 used for installing and fixing the friction rubber ring 6 is arranged in the annular groove, and a movable telescopic piece used for driving the aperture of the friction rubber ring 6 to change is arranged on the friction rubber ring 6.
The movable telescopic piece comprises a lantern ring 8, the lantern ring 8 is sleeved on the ball screw 1 and is in non-contact connection with the ball screw 1, an inclined support plate 9 used for expanding or shrinking the aperture of the friction rubber ring 6 is arranged on the lantern ring 8, the inclined support plate 9 is embedded in the friction rubber ring 6 and is fixedly connected with the friction rubber ring 6, one side, away from the friction rubber ring 6, of the inclined support plate 9 is connected with the lantern ring 8 through a rotating shaft, a movable cylinder 10 used for driving the lantern ring 8 to move is arranged on the braking table 4, the number of the movable cylinders 10 is two, a linkage rod 11 is arranged on the movable cylinder 10, and the linkage rod 11 is detachably connected with the lantern ring 8.
The braking seat can support self-locking mount pad 5, and friction rubber ring 6 sets up inside the ring channel, and the cover is established on ball screw 1, is not connected with the lead screw contact, and telescopic spring 7 supports fixedly friction rubber ring 6 for friction rubber ring 6's aperture can prop open or reduce, removes the aperture that the extensible member can drive friction rubber ring 6 and changes, thereby carries out the auto-lock to ball screw 1.
The inclined support plate 9 on the lantern ring 8 can support the periphery of the friction rubber ring 6, the aperture of the friction rubber ring 6 can be conveniently spread or reduced, the rotating shaft can enable the inclined support plate 9 to adjust inclination, the movable cylinder 10 drives the linkage rod 11 to move, the lantern ring 8 is driven to move, the inclined support plate 9 can spread or reduce the aperture of the friction rubber ring 6 by moving the position of the lantern ring 8, the friction rubber ring 6 is not connected with the ball screw 1 when spread, and the friction rubber ring 6 is coated on the ball screw 1 when reduced, so that self-locking braking is carried out on a nut table.
The auxiliary braking mechanism comprises a traction table 12, the traction table 12 is detachably connected with a braking table 4, a through groove is formed in the traction table 12, a gear 13 is arranged in the through groove, two sides of the gear 13 are connected with the through groove through bearings, a notch is formed in the base 3 and corresponds to the position of the gear 13, a rack 14 used for rolling the gear 13 is arranged in the notch, a lifting cylinder 15 used for driving the rack 14 to incline and braking the gear 13 is arranged in the notch, and the lifting cylinder 15 is detachably connected with the notch and the rack 14 respectively.
The traction table 12 is used for fixing the gear 13, the rack 14 on the base 3 can support the ball screw 1 on the gear 13, and when self-locking braking is needed, the lifting cylinder 15 can drive the rack 14 to incline so as to prevent the gear 13 from rotating, so that the braking effect is achieved.
The brake table 4 and the lifting block are internally provided with induction switches for opening and closing the induction motor 2, and the induction switches are electrically connected with the movable cylinder 10 and the lifting cylinder 15.
The inductive switch can induce the opening and closing of the motor 2, and drive the movable cylinder 10 and the lifting cylinder 15 to perform self-locking on the nut table in real time.
The working principle of the utility model is as follows: the motor 2 is closed by an operator, the movable cylinder 10 on the brake seat and the lifting cylinder 15 on the base 3 are opened by the inductive switch, the movable cylinder 10 drives the linkage rod 11 to move, so that the lantern ring 8 is driven to move, the aperture of the friction rubber ring 6 can be reduced by the inclined support plate 9 through the position of the movable lantern ring 8, the friction rubber ring 6 is coated on the screw rod, and the nut table is subjected to self-locking brake; the lifting cylinder 15 drives the rack 14 to incline, so that the gear 13 is prevented from rotating, and the auxiliary braking effect is achieved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A ball screw driven servo electric cylinder is characterized in that: the servo electric cylinder comprises a ball screw (1) and a motor (2), a base (3) for supporting the ball screw (1) is arranged on the motor (2), a self-locking braking mechanism for self-locking the nut table of the ball screw (1) is arranged on the ball screw (1), an auxiliary braking mechanism for auxiliary self-locking of the nut table of the ball screw (1) is arranged on the base (3), the self-locking braking mechanism comprises braking tables (4), and the braking tables (4) are respectively arranged on two sides of the nut table and are detachably connected with the nut table.
2. The ball screw driven servo electric cylinder of claim 1, wherein the self-locking braking mechanism comprises a self-locking installation seat (5), the self-locking installation seat (5) is detachably connected with a braking table (4), an annular groove is formed in the self-locking installation seat (5), a friction rubber ring (6) for braking a nut table is arranged in the annular groove, the friction rubber ring (6) is sleeved on the ball screw (1), a telescopic spring (7) for installing and fixing the friction rubber ring (6) is arranged in the annular groove, and a movable telescopic piece for driving the aperture of the friction rubber ring (6) to change is arranged on the friction rubber ring (6).
3. The ball screw driven servo electric cylinder of claim 2, wherein the movable telescopic member comprises a sleeve ring (8), the sleeve ring (8) is sleeved on the ball screw (1) and is in non-contact connection with the ball screw (1), an inclined support plate (9) for expanding or shrinking the aperture of the friction rubber ring (6) is arranged on the sleeve ring (8), the inclined support plate (9) is embedded in the friction rubber ring (6) and is fixedly connected with the friction rubber ring (6), one side of the inclined support plate (9) away from the friction rubber ring (6) is connected with the sleeve ring (8) through a rotating shaft, the braking table (4) is provided with two movable cylinders (10) for driving the sleeve ring (8) to move, the movable cylinders (10) are provided with linkage rods (11), and the linkage rods (11) are detachably connected with the sleeve ring (8).
4. The ball screw driven servo electric cylinder of claim 1, wherein the auxiliary braking mechanism comprises a traction table (12), the traction table (12) is detachably connected with the braking table (4), a through groove is formed in the traction table (12), a gear (13) is arranged in the through groove, two sides of the gear (13) are connected with the through groove through bearings, a notch is formed in the base (3) at a position corresponding to the gear (13), a rack (14) for rolling the gear (13) is arranged in the notch, a lifting cylinder (15) for driving the rack (14) to incline so as to brake the gear (13) is arranged in the notch, and the lifting cylinder (15) is detachably connected with the notch and the rack (14) respectively.
5. The ball screw driven servo electric cylinder as set forth in claim 1, wherein the brake table (4) and the lifting block are internally provided with induction switches for opening and closing the induction motor (2), and the induction switches are electrically connected with the moving cylinder (10) and the lifting cylinder (15).
6. The ball screw driven servo electric cylinder of claim 1, wherein the motor (2) is provided with a plurality of supporting frames (16) for fixing the base (3) for supporting, the supporting frames (16) are internally provided with notches, the supporting frames (16) are sleeved on the motor (2) through the notches, and the supporting frames (16) are detachably connected with the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322190309.9U CN220527801U (en) | 2023-08-15 | 2023-08-15 | Servo electric cylinder driven by ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322190309.9U CN220527801U (en) | 2023-08-15 | 2023-08-15 | Servo electric cylinder driven by ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527801U true CN220527801U (en) | 2024-02-23 |
Family
ID=89925811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322190309.9U Active CN220527801U (en) | 2023-08-15 | 2023-08-15 | Servo electric cylinder driven by ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527801U (en) |
-
2023
- 2023-08-15 CN CN202322190309.9U patent/CN220527801U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109866199B (en) | Power distribution cabinet insulation installation robot | |
| CN109187051A (en) | A kind of pilot instrument for motor road test | |
| CN220527801U (en) | Servo electric cylinder driven by ball screw | |
| CN204575322U (en) | Car engine cover device for testing endurance | |
| CN107781621B (en) | Automatic lubricant adding equipment special for bearing processing and maintenance | |
| CN211259075U (en) | Fan blade inclination angle adjustable fan blade structure and axial flow fan | |
| CN217254259U (en) | Automatic pressure equipment mechanism of duplex position fan motor bearing | |
| CN204160476U (en) | Servo four axle stamping mechanical arm | |
| CN201473268U (en) | Electric internal gear screw jack | |
| CN216078076U (en) | Novel incremental type self-adjusting brake for forward clearance | |
| CN214465643U (en) | Hide sliding bearing seat | |
| CN210770084U (en) | Push rod rotating device | |
| CN208010514U (en) | A kind of municipal administration wind and light complementary road lamp windmill brake device | |
| CN110966236A (en) | Fan blade inclination angle adjustable fan blade structure and axial flow fan | |
| CN220116430U (en) | Edge blocking positioning device for glass production line | |
| CN219774709U (en) | Belt transmission device | |
| CN220445495U (en) | Adjustable distance telescopic arm | |
| CN220222621U (en) | Differential gear ring bolt material loading detection device | |
| CN110576309A (en) | Automatic press fitting equipment for sun shaft planet carrier | |
| CN105990995A (en) | Permanent magnet speed adjustment device with self-locking adjustment mechanism | |
| CN220009522U (en) | Rotary base structure of charging pile | |
| CN205888690U (en) | Dual -drive structure of numerical control rotating workbench | |
| CN215201624U (en) | Fixed base is used in processing of T type groove steel mould | |
| CN2859566Y (en) | New optical system zoom machanism | |
| CN218052287U (en) | Fixing equipment for hydraulic cylinder production and processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |