CN116345788A - Servo electric cylinder - Google Patents
Servo electric cylinder Download PDFInfo
- Publication number
- CN116345788A CN116345788A CN202310224965.8A CN202310224965A CN116345788A CN 116345788 A CN116345788 A CN 116345788A CN 202310224965 A CN202310224965 A CN 202310224965A CN 116345788 A CN116345788 A CN 116345788A
- Authority
- CN
- China
- Prior art keywords
- shell
- ball screw
- rotor
- guide sleeve
- actuating rod
- 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.)
- Pending
Links
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a servo electric cylinder which comprises a shell, a front cover, a rear cover and connecting screws, wherein the front cover is arranged at the front part of the shell, the rear cover is arranged at the rear part of the shell, the front cover and the rear cover are connected together through a plurality of connecting screws, and all the connecting screws are positioned outside the shell and are arranged along the circumferential direction of the shell; a cavity for mounting a driving unit is formed inside the housing. The invention has the advantages that: the guide sleeve is changed into a plastic material, so that the coaxiality and roundness between the rotor and the plastic guide sleeve are improved, and abnormal sound caused by abrasion is avoided; the precision of the screw rod is improved, and the damage of the screw rod is avoided; aiming at the situation that the bearing is damaged generally, a deep groove ball bearing is used, the bearing is greatly improved in the aspect of service performance, the precision is accurate, and the service life is long.
Description
Technical Field
The invention relates to a servo electric cylinder, and belongs to the field of electric cylinders.
Background
With the continuous development of the current industrial automatic transmission technology, the precision requirement of the transmission structure is also higher and higher. At present, the electric cylinder is widely applied in the field of mechanical automation manufacturing, and a ball screw is generally adopted to transmit power, and the ball screw and a screw nut relatively roll to fix the screw nut so as to drive a piston rod to convert into linear motion. However, in the prior art, a servo electric cylinder which drives power through a ball screw cannot generally ensure the precision of driving due to design defects, and an anti-rotation device is required to be arranged, otherwise, the accurate positioning precision cannot be ensured; meanwhile, in the use process, the noise is large, the abrasion of the piston is serious, and the service life of the servo electric cylinder is short.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a servo electric cylinder, which has the following technical scheme:
the servo electric cylinder comprises a shell, a front cover, a rear cover and connecting screws, wherein the front cover is arranged at the front part of the shell, the rear cover is arranged at the rear part of the shell, the front cover and the rear cover are connected together through a plurality of connecting screws, and all the connecting screws are positioned outside the shell and are arranged along the circumferential direction of the shell; the driving unit comprises an actuating rod, a rotor, a guide sleeve, a ball screw and a deep groove ball bearing, wherein the actuating rod is arranged in the shell, one end of the actuating rod penetrates through the guide sleeve arranged on the shell and then extends to the outside of the shell, the rotor is arranged at the front part of the actuating rod, the ball screw is axially arranged along the shell and rotatably arranged in the shell, one end of the ball screw forms a power input end, the power input end is driven by the servo driver, the deep groove ball bearing is arranged between the power output end and the shell, the other end of the ball screw forms a power output end, the guide sleeve is arranged between the power output end and the shell, the rotor is arranged outside the ball screw, one end of the rotor is in threaded fit with the ball screw, and a space for arranging the actuating rod is formed between the rest part of the rotor and the ball screw.
The guide sleeve is a plastic sleeve.
The invention has the advantages that:
to the general servo electric jar problem in above-mentioned market, this product optimizes in structural material and processing material, has perfectly solved above-mentioned problem. The special-shaped guide sleeve is made of plastic aiming at abnormal sound caused by abrasion between the rotor and the guide copper sleeve, and coaxiality and roundness between the rotor and the plastic guide sleeve are improved, so that abnormal sound caused by abrasion is avoided; the precision of the screw rod is improved, and the damage of the screw rod is avoided; aiming at the situation that the bearing is damaged generally, a deep groove ball bearing is used, the bearing is greatly improved in the aspect of service performance, the precision is accurate, and the service life is long.
Drawings
Fig. 1 is a schematic diagram of the main structure of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a front view of the present invention.
Fig. 4 is a top view of the present invention.
Description of the embodiments
The invention will be further described with reference to specific embodiments, and advantages and features of the invention will become apparent from the description. These examples are merely exemplary and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes and substitutions of details and forms of the technical solution of the present invention may be made without departing from the spirit and scope of the present invention, but these changes and substitutions fall within the scope of the present invention.
Referring to fig. 1 to 4, the present invention relates to a servo cylinder, comprising a housing 1, a front cover 2, a rear cover 3 and a connecting screw 4, wherein the front cover 2 is installed at the front part of the housing 1, the rear cover 3 is installed at the rear part of the housing, the front cover 2 and the rear cover 3 are connected together through a plurality of connecting screws 4, and all the connecting screws 4 are positioned outside the housing 1 and are arranged along the circumferential direction of the housing 1; the driving unit comprises an actuating rod 6, a rotor 8, a guide sleeve 9, a ball screw 5 and a deep groove ball bearing 7, wherein the actuating rod 6 is arranged in the shell 1, one end of the actuating rod passes through the guide sleeve 9 arranged on the shell and then extends to the outside of the shell 1, the rotor 8 is arranged at the front part of the actuating rod 6, the ball screw 5 is arranged along the axial direction of the shell and is rotatably arranged in the shell 1, one end of the ball screw 5 forms a power input end, the power input end is driven by the servo driver, the deep groove ball bearing 7 is arranged between the power output end and the shell, the other end of the ball screw 5 forms a power output end, the guide sleeve 9 is arranged between the power output end and the shell 1, the rotor 8 is arranged outside the ball screw, one end of the rotor is matched with the threads of the ball screw, and the rest part of the rotor is matched with the ball screw to form a space of the actuating rod 6.
The guide sleeve 9 is a plastic sleeve.
The working principle of the invention is as follows:
the rotor is arranged at the front section of the actuating rod, the ball screw is arranged in the rotor and the actuating rod, the deep groove ball bearing and the rotor mainly play a smooth role in the movement of the ball screw, the deep groove ball bearing and the rotor are also parts for guaranteeing precision, the guide sleeve plays a guiding role, and the linear movement in the axial direction is guaranteed in the movement process of the ball screw; the lower cover, the upper cover and the upper and lower ends of the shell are linked and locked by long screws.
The special-shaped guide sleeve is made of plastic aiming at abnormal sound caused by abrasion between the rotor and the guide copper sleeve, and coaxiality and roundness between the rotor and the plastic guide sleeve are improved, so that abnormal sound caused by abrasion is avoided; the precision of the screw rod is improved, and the damage of the screw rod is avoided; aiming at the situation that the bearing is damaged generally, a deep groove ball bearing is used, the bearing is greatly improved in the aspect of service performance, the precision is accurate, and the service life is long.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The servo electric cylinder is characterized by comprising a shell, a front cover, a rear cover and connecting screws, wherein the front cover is arranged at the front part of the shell, the rear cover is arranged at the rear part of the shell, the front cover and the rear cover are connected together through a plurality of connecting screws, and all the connecting screws are positioned outside the shell and are arranged along the circumferential direction of the shell; the driving unit comprises an actuating rod, a rotor, a guide sleeve, a ball screw and a deep groove ball bearing, wherein the actuating rod is arranged in the shell, one end of the actuating rod penetrates through the guide sleeve arranged on the shell and then extends to the outside of the shell, the rotor is arranged at the front part of the actuating rod, the ball screw is axially arranged along the shell and rotatably arranged in the shell, one end of the ball screw forms a power input end, the power input end is driven by the servo driver, the deep groove ball bearing is arranged between the power output end and the shell, the other end of the ball screw forms a power output end, the guide sleeve is arranged between the power output end and the shell, the rotor is arranged outside the ball screw, one end of the rotor is in threaded fit with the ball screw, and a space for arranging the actuating rod is formed between the rest part of the rotor and the ball screw.
2. The servo cylinder of claim 1 wherein the guide sleeve is a plastic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310224965.8A CN116345788A (en) | 2023-03-10 | 2023-03-10 | Servo electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310224965.8A CN116345788A (en) | 2023-03-10 | 2023-03-10 | Servo electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116345788A true CN116345788A (en) | 2023-06-27 |
Family
ID=86886997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310224965.8A Pending CN116345788A (en) | 2023-03-10 | 2023-03-10 | Servo electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116345788A (en) |
-
2023
- 2023-03-10 CN CN202310224965.8A patent/CN116345788A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103448898B (en) | Marine integral electric steering gear | |
| CN219740122U (en) | Servo electric cylinder | |
| CN116345788A (en) | Servo electric cylinder | |
| CN201779228U (en) | Novel mechanical transmission mechanism | |
| CN1265531C (en) | A driven and driving integrated rectilinear motion electromechanical actuating device | |
| CN210007550U (en) | electric push rod | |
| CN108194454A (en) | A kind of oil pump and oil cylinder integrated apparatus of AC servomotor driving | |
| CN102094951A (en) | Transmission device of precise displacement actuator | |
| CN218771508U (en) | Automobile-used executor motor | |
| CN101873051B (en) | Stepping linear motor | |
| CN210518001U (en) | Directly link electronic jar | |
| CN209851502U (en) | Tooth-twisting core-withdrawing mechanism and die | |
| CN220732527U (en) | Driving mechanism and oil-submersible plunger pump | |
| CN210013987U (en) | Electric push rod | |
| CN218456370U (en) | Screw motor | |
| KR101766343B1 (en) | High power and high precision type reduction gears integrated servo cylinder | |
| CN2718323Y (en) | Driving and transmitting integrated straight-line motion nachine electric actuator | |
| CN219938103U (en) | Ultra-miniature electric push rod | |
| CN201757165U (en) | Ball screw assembly with single-nut shifted lead self-pretightening clearance adjusting structure | |
| CN220622631U (en) | Novel biax guide structure | |
| CN216343540U (en) | Clutch actuating drive | |
| CN211239580U (en) | Miniature electronic jar | |
| CN216056530U (en) | Servo electric cylinder with embedded magnetic steel | |
| CN215267951U (en) | Lead screw nut and motor integrated device | |
| CN106992628A (en) | A kind of screw-nut transmission for directly driving screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |