CN220964531U - Integrated servo electric cylinder - Google Patents
Integrated servo electric cylinder Download PDFInfo
- Publication number
- CN220964531U CN220964531U CN202322650474.8U CN202322650474U CN220964531U CN 220964531 U CN220964531 U CN 220964531U CN 202322650474 U CN202322650474 U CN 202322650474U CN 220964531 U CN220964531 U CN 220964531U
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- Prior art keywords
- ball screw
- servo motor
- cylinder body
- ball
- cylinder
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000007667 floating Methods 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an integrated servo electric cylinder which comprises a servo motor, a speed reducer, a connecting cover, a cylinder body, a ball screw, a coupler and a push rod assembly, wherein the speed reducer is connected with the servo motor, the coupler is used for connecting the ball screw with the speed reducer, one end of the cylinder body is connected with the connecting cover, an angular contact ball bearing is arranged in the connecting cover, the ball screw is arranged in the connecting cover through the angular contact ball bearing, the angular contact ball bearing is fixed in the connecting cover through a bearing sleeve, a compression sleeve and a locking nut, the push rod assembly is movably arranged in the cylinder body, the push rod assembly is sleeved on the ball screw and is in threaded connection with the ball screw, and the push rod assembly is driven to move through rotation of the ball screw. According to the ball screw, one end of the ball screw is sleeved with the angular contact ball bearing, and the angular contact ball bearing is in compression floating connection in the connecting cover through the bearing sleeve, the compression sleeve and the locking nut, so that the shaft diameter of the ball screw is larger, and the ball screw can bear larger axial force.
Description
Technical Field
The utility model relates to the technical field of driving elements, in particular to an integrated servo electric cylinder.
Background
The servo electric cylinder is a modularized product which integrates a servo motor and a screw rod, converts the rotary motion of the servo motor into linear motion, has the characteristics of accurate rotating speed and position control, and is widely applied in industry, and the electric cylinder generally comprises a motor, a synchronous belt, the screw rod, a cylinder body and the like and can be divided into a linear electric cylinder and a foldback electric cylinder; in the linear electric cylinder, the motor is directly connected with a transmission screw rod of the electric cylinder, so that the structure is compact, and the inertia is small; the whole length of the foldback electric cylinder is short, and the foldback electric cylinder is used for occasions with smaller installation positions.
At present, the servo motor drives the ball screw through synchronous belt side connection or coupling direct connection to realize the precise control of linear motion, so that the ball nut is hard-connected when the servo motor works in vertical connection, the ball nut is stressed greatly, and the periphery of the cylinder body is connected with a row of connecting bolt heads, so that the servo motor is not attractive in appearance.
Disclosure of utility model
In order to solve at least one technical problem in the prior art, the utility model provides an integrated servo electric cylinder.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the utility model provides an integrated form servo electric cylinder, includes servo motor, speed reducer, connecting cover, cylinder body, ball screw, shaft coupling and push rod subassembly, the speed reducer is connected with servo motor, the shaft coupling will ball screw with the speed reducer links together, the one end of cylinder body with the connecting cover is connected, be provided with angular contact ball bearing in the connecting cover, ball screw passes through angular contact ball bearing disposes in the connecting cover, angular contact ball bearing compresses tightly floating connection through bearing housing, compression sleeve and lock nut in the connecting cover, the movable setting of push rod subassembly is in the cylinder body, the push rod subassembly cover is established ball screw is last and with ball screw threaded connection, through ball screw's rotation drives the push rod subassembly removes.
Further, the other end of the cylinder body is provided with a connecting flange;
the cylinder body is further provided with at least one hoop ring, and the hoop ring is connected with a hanging ring.
Further, the push rod assembly comprises a ball nut in threaded connection with the ball screw, a connecting pipe arranged on the outer side of the ball screw, a connecting positioning sleeve, a positioning compression ring and a sliding ring, wherein one end of the connecting pipe is connected with the ball nut, the positioning compression ring and the sliding ring are sleeved at two ends of the connecting positioning sleeve, the connecting pipe is movably arranged in the cylinder body, and the other end of the connecting pipe is exposed from the other end of the cylinder body.
Further, pin holes are correspondingly formed in the ball nut, the connecting positioning sleeve and the sliding ring, and positioning pins are arranged in the pin holes.
Further, the push rod assembly comprises a connecting bolt fixed at the other end of the connecting pipe and a nut fixed on the connecting bolt.
Further, an oil-free bushing and a check ring are arranged between the connecting pipe and the connecting flange.
Further, a guide piece is sleeved at the tail end of the ball screw, the ball screw is connected with the connecting pipe through the guide piece, and a shaft check ring and an O-shaped ring are arranged between the ball screw and the guide piece.
Further, the side wall of the other end of the cylinder body is provided with an oil filling nozzle.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. The angular contact ball bearing is sleeved at one end of the ball screw, and is in compression floating connection in the connecting cover through the bearing sleeve, the compression sleeve and the locking nut, so that stress can be reduced, the shaft diameter of the ball screw is larger, and the ball screw can bear larger axial force; 2. the servo electric cylinder can be connected vertically and can be connected transversely.
Drawings
FIG. 1 shows a cross-sectional view of an integrated servo motor cylinder in accordance with one embodiment of the present utility model;
Figure 2 shows a cross-sectional view of the push rod assembly of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 and 2, an integrated servo electric cylinder comprises a servo motor 1, a speed reducer 2, a connecting cover 5, a cylinder body 6, a ball screw 3, a coupler 4 and a push rod assembly 7, wherein the speed reducer 2 is connected with the servo motor 1, the coupler 4 connects the ball screw 3 with the speed reducer 2 together, one end of the cylinder body 6 is connected with the connecting cover 5, an angular ball bearing 8 is arranged in the connecting cover 5, the ball screw 3 is configured in the connecting cover 5 through the angular ball bearing 8, the angular ball bearing 8 is in compression floating connection in the connecting cover 5 through a bearing sleeve 9, a compression sleeve 11 and a lock nut 10, the push rod assembly 7 is movably arranged in the cylinder body 6, the push rod assembly 7 is sleeved on the ball screw 3 and in threaded connection with the ball screw 3, and the push rod assembly 7 is driven to move through rotation of the ball screw 3.
One end of the ball screw 3 is sleeved with an angular contact ball bearing 8, the angular contact ball bearing 8 is pressed and floatingly connected in the connecting cover 5 through a bearing sleeve 9, a pressing sleeve 11 and a locking nut 10, so that on one hand, the stress can be reduced, and on the other hand, the shaft diameter of the ball screw 3 is larger, and the ball screw 3 can bear larger axial force.
Further, the other end of the cylinder body 6 is provided with a connecting flange 12, and the outer side wall of the cylinder body 6 is also provided with at least 2 hoop rings 13. Specifically, the keyway has been seted up on the lateral wall of cylinder body 6, and hoop ring 13 passes through the locating key to be fixed on cylinder body 6, and hoop ring 13 is connected with rings 14. The servo motor cylinder can be connected vertically and can be connected transversely through the connecting flange 12 and the hanging ring 14.
Further, a nipple 19 is provided on the side wall of the other end of the cylinder 6, and lubricating oil is injected into the cylinder 6 through the nipple 19.
Further, the push rod assembly 7 includes a ball nut 71 screwed to the ball screw 3, a connection pipe 72 provided outside the ball screw 3, a connection positioning sleeve 73 connecting one end of the connection pipe 72 with the ball nut 71, and a positioning pressure ring 75 and a slide ring 74 fitted over both ends of the connection positioning sleeve 73, the connection pipe 72 being movably disposed in the cylinder 6, and the other end of the connection pipe 72 being exposed from the other end of the cylinder 6. The sliding ring 74 is slidable on the wall of the cylinder 6, and an arc-shaped limiting groove is formed in the inner wall of the cylinder 6 to limit the radial floating amount of the sliding ring 74. The outer diameter of the sliding ring 74 is provided with a lubrication groove, and the lubrication groove is filled with lubricating oil, so that the lubricating oil can reduce friction, and the sliding ring 74 slides smoothly in the cylinder 6.
Further, the ball nut 71, the connecting and positioning sleeve 73, and the slide ring 74 are provided with pin holes, and positioning pins 76 are disposed in the pin holes. The positioning pin 76 is provided therein with a through hole serving as an oil filler hole through which lubricating oil enters between the ball screw 3 and the ball nut 71 to increase the service life of the ball screw 3. Preferably, a slinger 77 is provided between the connection pipe 72 and the ball nut 71 to prevent lubricating oil from entering the connection pipe 72.
Further, the push rod assembly 7 includes a coupling bolt 78 fixed to the other end of the coupling tube 72 and a nut 79 fixed to the coupling bolt 78.
Further, an oilless bushing 15 and a retainer ring 16 are provided between the connection pipe 72 and the connection flange 12.
Further, a guide 17 is sleeved at the end of the ball screw 3, the ball screw 3 is connected with a connecting pipe 72 through the guide 17, and a shaft retainer ring 18 and an O-shaped ring are arranged between the ball screw 3 and the guide 17.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides an integrated form servo electric cylinder, its characterized in that, including servo motor (1), speed reducer (2), junction box (5), cylinder body (6), ball screw (3), shaft coupling (4) and push rod subassembly (7), speed reducer (2) are connected with servo motor (1), shaft coupling (4) will ball screw (3) with speed reducer (2) are connected together, the one end of cylinder body (6) with junction box (5) are connected, be provided with angular contact ball bearing (8) in junction box (5), ball screw (3) pass through angular contact ball bearing (8) configuration is in junction box (5), angular contact ball bearing (8) compress tightly through bearing housing (9), compress tightly cover (11) and lock nut (10) and float and connect in junction box (5), push rod subassembly (7) movable set up in cylinder body (6), push rod subassembly (7) cover are established ball screw (3) and with junction box (3) pass through ball screw (7) and drive ball subassembly (7) and remove.
2. The integrated servo motor cylinder as recited in claim 1, wherein,
The other end of the cylinder body (6) is provided with a connecting flange (12);
At least 2 hoop rings (13) are further arranged on the cylinder body (6), and the hoop rings (13) are connected with hanging rings (14).
3. The integrated servo motor cylinder as claimed in claim 2, wherein,
The push rod assembly (7) comprises a ball nut (71) in threaded connection with the ball screw (3), a connecting pipe (72) arranged on the outer side of the ball screw (3), a connecting positioning sleeve (73) for connecting one end of the connecting pipe (72) with the ball nut (71), and a positioning compression ring (75) and a sliding ring (74) which are sleeved at two ends of the connecting positioning sleeve (73), wherein the connecting pipe (72) is movably arranged in the cylinder body (6), and the other end of the connecting pipe (72) is exposed from the other end of the cylinder body (6).
4. An integrated servo motor cylinder as claimed in claim 3, wherein,
The ball nut (71), the connecting positioning sleeve (73) and the sliding ring (74) are correspondingly provided with pin holes, and positioning pins (76) are arranged in the pin holes.
5. An integrated servo motor cylinder as claimed in claim 3, wherein,
The push rod assembly (7) further comprises a connecting bolt (78) fixed at the other end of the connecting pipe (72) and a nut (79) fixed on the connecting bolt (78).
6. An integrated servo motor cylinder as claimed in claim 3, wherein,
An oilless bushing (15) and a retainer ring (16) are arranged between the connecting pipe (72) and the connecting flange (12).
7. An integrated servo motor cylinder as claimed in claim 3, wherein,
The end cover of ball screw (3) is equipped with guide (17), ball screw (3) pass through guide (17) with connecting pipe (72) are connected, ball screw (3) with be provided with for the axle retaining ring (18) and O type circle between guide (17).
8. The integrated servo motor cylinder as recited in claim 1, wherein,
The side wall of the other end of the cylinder body (6) is provided with an oil filling nozzle (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322650474.8U CN220964531U (en) | 2023-09-28 | 2023-09-28 | Integrated servo electric cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322650474.8U CN220964531U (en) | 2023-09-28 | 2023-09-28 | Integrated servo electric cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220964531U true CN220964531U (en) | 2024-05-14 |
Family
ID=91021323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322650474.8U Active CN220964531U (en) | 2023-09-28 | 2023-09-28 | Integrated servo electric cylinder |
Country Status (1)
Country | Link |
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CN (1) | CN220964531U (en) |
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2023
- 2023-09-28 CN CN202322650474.8U patent/CN220964531U/en active Active
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