CN209990720U - Device for accurately adjusting stroke of air cylinder - Google Patents
Device for accurately adjusting stroke of air cylinder Download PDFInfo
- Publication number
- CN209990720U CN209990720U CN201920793427.XU CN201920793427U CN209990720U CN 209990720 U CN209990720 U CN 209990720U CN 201920793427 U CN201920793427 U CN 201920793427U CN 209990720 U CN209990720 U CN 209990720U
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- servo motor
- stroke
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Abstract
The utility model discloses a device for accurately adjusting the stroke of a cylinder, which comprises a frame, a double-end cylinder and a servo motor on the frame, wherein the servo motor is fixedly connected with the frame, the servo motor comprises an output shaft, the output shaft is connected with the frame at one side far away from the servo motor, the output shaft is fixedly connected with a driving gear, the double-end cylinder is fixedly connected with the other side of the frame, the double-end cylinder comprises a piston rod, the piston rod is connected with a screw rod at one side close to the frame, the other end of the screw rod penetrates through the frame, a driven gear is fixedly connected on the screw rod, the driving gear is meshed and connected with the driven gear, the frame is respectively provided with a stroke switch at the limit positions at the two ends of the reciprocating motion of the driven gear, the other side of the piston rod is provided with a feeding end, the servo, the stroke of the piston in the double-head cylinder is accurately controlled, and the operation is convenient.
Description
Technical Field
The utility model relates to a cylinder control field, concretely relates to is a device of accurate adjusting cylinder stroke.
Background
In the production process of the product, the feeding liquid is generally strictly controlled, and the volume of the feeding liquid exceeding or falling below a target value influences the process effect. Under the prior art, the feeding liquid is quantitatively fed into the double-head cylinder, the stroke of the double-head cylinder is difficult to finely adjust, and the position which is required in production cannot be accurately positioned. The stroke of the air cylinder is manually adjusted, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of accurate adjustment cylinder stroke, controller remote control servo motor, the stroke of accurate control double-end cylinder, simple structure, convenient operation.
In order to achieve the above object, the present invention provides a device for precisely adjusting the stroke of a cylinder, comprising a frame, a double-end cylinder and a servo motor on the frame, wherein the servo motor is fixedly connected with the frame, the servo motor comprises an output shaft, the output shaft is connected with the frame at one side away from the servo motor, the output shaft is fixedly connected with a driving gear, the double-end cylinder is fixedly connected with the other side of the frame, the double-end cylinder comprises a piston rod, the piston rod is connected with a lead screw at one side close to the frame, the other end of the lead screw penetrates through the frame, a driven gear is fixedly connected on the lead screw, the driving gear is meshed with the driven gear, the frame is respectively provided with a stroke switch at the limit positions at the two ends of the reciprocating motion, the other side of the piston rod is provided with a feeding end, the servo motor and the stroke, the controller is electrically connected with a display screen. The screw rod is used for converting the rotary motion of the output shaft of the motor into the linear motion of the piston rod, and the controller controls the servo motor to rotate, so that the stroke of the double-head cylinder is accurately adjusted.
Preferably, the controller is a PLC controller.
Preferably, the double-end cylinder is close to one side of the feeding end and is provided with a support, the support is provided with a plurality of round holes, and the round holes in the support are convenient for the device to be fixed on a required work place.
Preferably, the screw rod penetrates through one side surface of the frame smoothly, and transmission resistance is reduced.
Preferably, the frame is provided with a bearing at the position where the screw rod penetrates through the frame, and the screw rod moves under the guiding and positioning action of the bearing, so that the transmission resistance is reduced.
The utility model has the advantages that: an output shaft on the servo motor rotates to drive a screw rod to transmit, a piston rod is accurately controlled, the stroke of the double-head cylinder can be finely adjusted and accurately positioned, and the adjusting speed is high; the travel switch can protect the double-head cylinder and prolong the service life of the double-head cylinder; the support is convenient for fix the device at the feed end.
Drawings
Fig. 1 is the utility model relates to an accurate adjusting cylinder stroke device schematic structure.
Reference numerals: 1. a frame; 101. a travel switch; 2. a double-ended cylinder; 201. a piston rod; 202. a driven gear; 203. a screw rod; 204. a bearing; 3. a servo motor; 301. an output shaft; 302. a driving gear; 4. a support; 401. a circular hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, there is shown a device for precisely adjusting the stroke of an air cylinder, which includes a frame 1, and a double-headed air cylinder 2 and a servo motor 3 on the frame 1, the servo motor 3 is fixedly connected to the frame 1, the servo motor 3 includes an output shaft 301, the output shaft 301 is connected to the frame 1 at a side far from the servo motor 3, the output shaft 301 is fixedly connected to a driving gear 302, the double-headed air cylinder 2 is fixedly connected to the other side of the frame 1, the double-headed air cylinder 2 includes a piston rod 201, the piston rod 201 is connected to a lead screw 203 at a side close to the frame 1, the other end of the lead screw 203 penetrates through the frame 1, a driven gear 202 is fixedly connected to the lead screw 203, the driving gear 302 is meshed with the driven gear 202, the frame 1 is provided with a stroke switch 101 at each of the limit positions of the, the other side of the piston rod 201 is provided with a feeding end, the servo motor 3 and the travel switch 101 are respectively electrically connected with a controller, and the controller is electrically connected with a display screen. The screw rod 203 is used for converting the rotary motion of the motor output shaft 301 into the linear motion of the piston rod 201, and the controller controls the servo motor 3 to rotate, so that the stroke of the double-head cylinder 2 is accurately adjusted.
Further, the controller is a PLC controller.
Further, double-end cylinder 2 is being close to feed end one side is equipped with support 4, support 4 is equipped with a plurality of round hole 401, and round hole 401 on the support 4 is convenient for this device to be fixed on required workplace.
Furthermore, the screw rod 203 penetrates through one side surface of the frame 1 smoothly, so that transmission resistance is reduced.
Further, the frame 1 is provided with a bearing 204 at a position where the screw rod 203 penetrates through the frame 1, and the screw rod 203 moves under the guiding and positioning action of the bearing 204, so that the transmission resistance is reduced.
The utility model discloses a theory of operation: the PLC controller controls the servo motor 3 to rotate, so that an output shaft 301 on the servo motor 3 is driven to rotate, the driven gear 202 is driven to rotate through the driving gear 302, the lead screw 203 is driven to rotate, the pitch and the lead of the lead screw 203 are in a linear relation, and therefore the number of rotating turns of the servo motor 3 and the stroke of the double-head cylinder 2 are also in a linear relation. The frame 1 is respectively provided with a travel switch 101 at the limit positions of the driven gear 202 at the two ends of the reciprocating motion, the positions of the two travel switches 101 respectively correspond to the zero position and the full position of the pneumatic stroke, liquid fed into the double-head cylinder 2 at the feeding end can be accurately quantified by adjusting the stroke of the double-head cylinder 2, and the stroke of the double-head cylinder 2 is adjusted to be the lowest after the quantification is good, so that the quantified liquid can be obtained.
The utility model has the advantages that: an output shaft on the servo motor rotates to drive a screw rod to transmit, a piston rod is accurately controlled, the stroke of the double-head cylinder can be finely adjusted and accurately positioned, and the adjusting speed is high; the travel switch can protect the double-head cylinder and prolong the service life of the double-head cylinder; the support is convenient for fix the device at the feed end.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (5)
1. A device for accurately adjusting the stroke of an air cylinder comprises a frame, and a double-end air cylinder and a servo motor which are arranged on the frame, and is characterized in that the servo motor is fixedly connected with the frame, the servo motor comprises an output shaft, the output shaft is connected with the frame at one side far away from the servo motor, the output shaft is fixedly connected with a driving gear, the double-end air cylinder is fixedly connected with the other side of the frame, the double-end air cylinder comprises a piston rod, the piston rod is connected with a lead screw at one side close to the frame, the other end of the lead screw penetrates through the frame, a driven gear is fixedly connected onto the lead screw, the driving gear is meshed with the driven gear, the frame is respectively provided with a stroke switch at the limit positions at the two ends of reciprocating motion, the other side of the piston rod is provided with a feeding end, and the servo, the controller is electrically connected with a display screen.
2. The apparatus of claim 1, wherein the controller is a PLC controller.
3. The device for precisely adjusting the stroke of a cylinder as set forth in claim 1, wherein the double-headed cylinder is provided with a support on a side near the feed end, the support being provided with a plurality of circular holes.
4. The apparatus of claim 1, wherein the lead screw is smooth throughout a side surface of the frame.
5. The device for precisely adjusting the stroke of the cylinder as claimed in claim 1, wherein the frame is provided with a bearing where the screw rod penetrates the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920793427.XU CN209990720U (en) | 2019-05-29 | 2019-05-29 | Device for accurately adjusting stroke of air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920793427.XU CN209990720U (en) | 2019-05-29 | 2019-05-29 | Device for accurately adjusting stroke of air cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990720U true CN209990720U (en) | 2020-01-24 |
Family
ID=69295598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920793427.XU Active CN209990720U (en) | 2019-05-29 | 2019-05-29 | Device for accurately adjusting stroke of air cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990720U (en) |
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2019
- 2019-05-29 CN CN201920793427.XU patent/CN209990720U/en active Active
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