CN202997811U - Servo electric cylinder - Google Patents
Servo electric cylinder Download PDFInfo
- Publication number
- CN202997811U CN202997811U CN 201220600633 CN201220600633U CN202997811U CN 202997811 U CN202997811 U CN 202997811U CN 201220600633 CN201220600633 CN 201220600633 CN 201220600633 U CN201220600633 U CN 201220600633U CN 202997811 U CN202997811 U CN 202997811U
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- CN
- China
- Prior art keywords
- cylinder
- servo electric
- screw rod
- nut seat
- electric jar
- 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.)
- Expired - Fee Related
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Abstract
The present utility model discloses a servo electric cylinder. The servo electric cylinder is mainly composed of a servomotor, a transmission mechanism and a cylinder structure, the cylinder structure is composed of a front end plate, a rear end plate and a cylinder body arranged between the two, a screw rod and a movable nut are arranged on a central axis position of the cylinder structure, the movable nut is sleeved on the screw rod and arranged on a nut seat, a guiding structure is arranged between the nut seat and the inner wall of the cylinder body along the axis direction of the screw rod; and the transmission mechanism is respectively connected with the servomotor and the cylinder. The servo electric cylinder is characterized in that the transmission mechanism is gear driving and composed of a driving wheel and a driven wheel, one or a plurality of idle wheels are arranged between the driving wheel and the driven wheel; the cylinder body of the cylinder structure is a steel cylinder. synchronous belt driving is replaced by gear driving, and the bearing capability is greatly improved. Moreover, an aluminum alloy cylinder of the cylinder body is replaced by the steel cylinder, and the bearing intensity is further improved.
Description
Technical field
The utility model relates to a kind of servo electric jar, especially a kind ofly carries the servo electric jar that straight-line displacement is provided large, that stationarity is good.
Background technology
Often utilize hydraulic drive or Pneumatic Transmission that a straight-line displacement is provided in the occasions such as pressing machine, stamping machine, forging press, but the shortcoming such as above-mentioned two kinds of methods exist that energy loss is large, disclosure risk large and precision is not high.For considering to adopt servo electric jar for high-precision occasion, but what adopt due to the transmission mechanism of current servo electric cylinder is toothed belt transmission, is its short slab for large-tonnage occasion bearing capacity.
Chinese patent CN201120105591.0 discloses a kind of servo electric jar, it is characterized in that: comprise servomotor, cylinder barrel, lead screw pair and push rod; Cylinder barrel by front end-plate, end plate and be connected to front end-plate and end plate between aluminium alloy cylindrical body consist of; Screw rod in lead screw pair is along the central axis setting of cylinder barrel, and its rear end rotating support is on end plate; Nut in lead screw pair fixedly is located on a nut seat, is provided with between the inwall of this nut seat and aluminium alloy cylindrical body along the guide frame of tubular axis direction; Described push rod is sleeve-like configuration, and it is placed on screw rod in lead screw pair with uncovered rear end, and nut seat is fixedly connected with relatively; Spiro rod rear end in described servomotor and lead screw pair is in transmission connection, and drives push rod through lead screw pair and stretches out effect.Adopt said structure in the large-tonnage occasion owing to adopting toothed belt transmission and cylindrical shell to adopt the aluminium alloy cylinder to cause its bearing capacity limited, if external hydraulic structure does not exist transmission accuracy high and have the danger of revealing and polluting site environment.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of servo electric jar, has carrying greatly, the characteristics that transmission accuracy is high.
for solving the problems of the technologies described above, the technical solution of the utility model is: a kind of servo electric jar, mainly comprise servomotor, transmission mechanism, cylinder structure, described cylinder structure is by front end-plate, end plate and the cylindrical shell that is placed between the two form, described cylinder structure central axis position is provided with screw rod and traveling nut, described traveling nut is enclosed within and is placed on nut seat on screw rod, between described nut seat and cylinder inboard wall along being provided with guide frame on the screw axis direction, described screw rod one end is placed in end plate by bearing, on the screw rod of its other end, cover has the push rod of sleeve-like configuration, its uncovered rear end is fixedly connected on nut seat, its other end passes front end-plate, described transmission mechanism connects respectively servomotor and cylinder structure, and its innovative point is: described transmission mechanism is gear drive, comprises driving wheel and driven pulley, between described driving wheel and driven pulley, one or more idle pulleys can be set, cylindrical shell in described cylinder structure is steel cylinder.
Further, the guide frame between described nut seat and cylinder inboard wall can be embedded in for the projection on the nut seat circumference in the groove of cylinder inboard wall corresponding position, also can be embedded in the groove of nut seat surrounding for the projection on cylinder inboard wall.
Further, on described cylinder inboard wall and nut seat, the corresponding position is provided with a group or more guide frame.
Further, described transmission mechanism surrounding is provided with cover, and two ends, described cover the same side are fixedly connected with end plate in cylinder structure with servomotor respectively.
Further, be provided with sealing ring between described cover and drive sprocket axle, follower shaft and idler shaft.
Further, described cover two adjacent surface contacts site should be U-shaped groove structure and raised ribs structure mutually, and described raised ribs structure is embedded in U-shaped groove structure, is embedded with sealing ring between described raised ribs structure and U-shaped groove.
Further, described screw rod is the two-wire screw rod.
The utility model has the advantage of: consider the characteristics that the gear drive bearing capacity is large and transmission accuracy is high, toothed belt transmission is changed to gear drive, greatly improved its bearing capacity.Separately cylindrical shell is changed to steel cylinder by the aluminium alloy cylinder, further improves its bearing strength.
Many group guide frames are set between the nut seat at traveling nut place and cylinder inboard wall in lead screw pair, thereby further increase transmission intensity and guiding accuracy.
In lead screw pair, screw rod adopts the two-wire screw rod, by increasing leading screw pitch, thereby makes same stroke, and the speed of the motion parts that is driven by screw rod has improved, and has saved the time, has improved operating efficiency.
By in the running part surrounding, cover being set, and be provided with sealing ring between cover and drive sprocket axle, follower shaft, idler shaft.In addition, be set to U-shaped groove structure and raised ribs structure between cover two adjacent surfaces, the raised ribs structure is embedded in corresponding U-shaped groove structure, and sealing ring is set therein, thereby improves the dust and water protection ability.The two ends of cover the same side are connected with cylinder structure with servo electric jar respectively in addition, thereby have improved the bonding strength of single unit system.
Description of drawings
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of a kind of servo electric jar of the utility model.
Embodiment
A kind of servo electric jar shown in Figure 1 comprises servomotor 1, transmission mechanism 2, cylinder structure 3, front end-plate 4, end plate 5, cylindrical shell 6, screw rod 7, traveling nut 8, nut seat 9, push rod 10, driving wheel 11, driven pulley 12, idle pulley 13, cover 14 and sealing ring 15.
A kind of servo electric jar shown in Figure 1 mainly comprises servomotor 1, transmission mechanism 2, cylinder structure 3.Cylinder structure 3 is comprised of front end-plate 4, end plate 5 and the cylindrical shell 6 that is placed between the two, and cylinder structure 3 central axis positions are provided with screw rod 7 and traveling nut 8, traveling nut 8 is enclosed within and is placed on screw rod 7 on nut seat 9, between nut seat 9 and cylindrical shell 6 inwalls along being provided with guide frame on screw rod 7 axis directions.Screw rod 7 one ends are placed in end plate 5 by bearing, and on the screw rod 7 of its other end, cover has the push rod 10 of sleeve-like configuration, and its uncovered rear end is fixedly connected on nut seat 9, and its other end passes front end-plate 4.Transmission mechanism 2 connects respectively servomotor 1 and cylinder structure 3, is mainly gear drive, comprises driving wheel 11 and driven pulley 12, adjusts for convenience centre-to-centre spacing, and 12 of driving wheel 11 and driven pulleys can arrange one or more idle pulleys 13.For further improving its bearing capacity, the cylindrical shell 6 in cylinder structure is steel cylinder.
Guide frame between nut seat 9 and cylindrical shell 6 inwalls can be embedded in for the projection on the nut seat circumference in the groove of cylinder inboard wall corresponding position, also can be embedded in the groove of nut seat surrounding for the projection on cylinder inboard wall.And further improve its bearing capacity, on cylindrical shell 6 inwalls and nut seat 9, the corresponding position is provided with a group or more guide frame.
Screw rod 7 in the utility model adopts the two-wire screw rod, thereby makes in same stroke, and the motion parts speed that is driven by screw rod accelerates, and is consuming time few, improved efficient.
Another transmission mechanism surrounding is provided with cover 14, and cover 14 two ends, the same side are fixedly connected with end plate 5 in cylinder structure 3 with servomotor 1 respectively, with the bonding strength that improves single unit system and the ability that improves the running part dust protection, be provided with sealing ring 15 between another cover 14 and drive sprocket axle, follower shaft and idler shaft.Adopt U-shaped groove structure and raised ribs structure between another cover two adjacent contact faces, the raised ribs structure is embedded in the U-shaped groove structure of corresponding site, and between is embedded with sealing ring, further improves sealing property.
The measures such as axial width that provide for simple replacement of and widen the axial width of traveling nut and nut seat and the non-opening end of thickening push rod of replacing, guide frame further groove and the convex shape of the replacing such as the large transmission mechanism of simple bearing capacity of adopting for the bearing capacity that increases servo electric jar in the utility model, the cylindrical shell that intensity is large are all within protection range of the present utility model.
Claims (7)
1. servo electric jar, mainly comprise servomotor, transmission mechanism, cylinder structure, described cylinder structure is by front end-plate, end plate and the cylindrical shell that is placed between the two form, described cylinder structure central axis position is provided with screw rod and traveling nut, described traveling nut is enclosed within and is placed on nut seat on screw rod, between described nut seat and cylinder inboard wall along being provided with guide frame on the screw axis direction, described screw rod one end is placed in end plate by bearing, on the screw rod of its other end, cover has the push rod of sleeve-like configuration, its uncovered rear end is fixedly connected on nut seat, its other end passes front end-plate, described transmission mechanism connects respectively servomotor and cylinder structure, it is characterized in that: described transmission mechanism is gear drive, comprises driving wheel and driven pulley, between described driving wheel and driven pulley, one or more idle pulleys can be set, cylindrical shell in described cylinder structure is steel cylinder.
2. a kind of servo electric jar according to claim 1, it is characterized in that: the guide frame between described nut seat and cylinder inboard wall can be embedded in for the projection on the nut seat circumference in the groove of cylinder inboard wall corresponding position, also can be embedded in the groove of nut seat surrounding for the projection on cylinder inboard wall.
3. a kind of servo electric jar according to claim 2, it is characterized in that: on described cylinder inboard wall and nut seat, the corresponding position is provided with a group or more guide frame.
4. a kind of servo electric jar according to claim 3, it is characterized in that: described transmission mechanism surrounding is provided with cover, and two ends, described cover the same side are fixedly connected with end plate in cylinder structure with servomotor respectively.
5. a kind of servo electric jar according to claim 4, is characterized in that: be provided with sealing ring between described cover and drive sprocket axle, follower shaft and idler shaft.
6. a kind of servo electric jar shown according to claim 4, it is characterized in that: described cover two adjacent surface contacts site should be U-shaped groove structure and raised ribs structure mutually, described raised ribs structure is embedded in U-shaped groove structure, is embedded with sealing ring between described raised ribs structure and U-shaped groove.
7. a kind of servo electric jar according to claim 1, it is characterized in that: described screw rod is the two-wire screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600633 CN202997811U (en) | 2012-11-15 | 2012-11-15 | Servo electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600633 CN202997811U (en) | 2012-11-15 | 2012-11-15 | Servo electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997811U true CN202997811U (en) | 2013-06-12 |
Family
ID=48568939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220600633 Expired - Fee Related CN202997811U (en) | 2012-11-15 | 2012-11-15 | Servo electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931759A (en) * | 2012-11-15 | 2013-02-13 | 苏州通锦精密工业有限公司 | Electric servo cylinder |
| CN106130249A (en) * | 2016-06-27 | 2016-11-16 | 昆山佳铭自动化科技有限公司 | A kind of pressure-feedback-type controls single effect electricity cylinder |
-
2012
- 2012-11-15 CN CN 201220600633 patent/CN202997811U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931759A (en) * | 2012-11-15 | 2013-02-13 | 苏州通锦精密工业有限公司 | Electric servo cylinder |
| CN102931759B (en) * | 2012-11-15 | 2016-07-06 | 苏州通锦精密工业有限公司 | A kind of servo electric jar |
| CN106130249A (en) * | 2016-06-27 | 2016-11-16 | 昆山佳铭自动化科技有限公司 | A kind of pressure-feedback-type controls single effect electricity cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131115 |