A precise positioning control device for station rotation
A technology for precise positioning and control devices, which is applied in electrical program control, program control in sequence/logic controllers, etc., to achieve the effects of improving accuracy, convenient use and simple structure
Active Publication Date: 2017-01-11
ANHUI TONGFENG ELECTRONICS
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Problems solved by technology
[0004] The invention proposes a precise positioning control device for station rotation, which is used to solve the problem of forward rush or hysteresis caused by inertia when ordinary motors are used to drive the angle divider in the prior art. The invention not only improves the accuracy of workpiece rotation positioning , has the advantages of simple structure, convenient use and low cost
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[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] refer to figure 1 , figure 2 and image 3 , a station rotation precise positioning control device, including a controller 30, a frequency converter 40 and an angle divider box 10, the angle divider box 10 is provided with an input shaft 12 and an output shaft 11, and one end of the input shaft 12 is connected to There is a drive motor 50, and the input shaft 12 is provided with a cam-shaped angle divider, and the other end of the input shaft 12 away ...
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The invention discloses a station rotating accurate positioning control device. The device comprises an input shaft with one end connected with a driving motor, and a cam-shaped angle divider is fixed to the input shaft in a sleeved mode. The device further comprises a positioning stopping block fixed to the input shaft in a sleeved mode, a notch part is arranged on the positioning stopping block, and the projection of the notch part in the direction perpendicular to the axis of the input shaft falls in the projection of a stopping corner of the cam-shaped angle divider in the direction perpendicular to the axis of the input shaft; an optical signal transmitting end and an optical signal receiving end of an optoelectronic switch are arranged on the two sides of the notch part of the positioning stopping block respectively; the output end of the optoelectronic switch is connected with the input end of a controller, the output end of the controller is connected with the input end of a frequency converter, and the frequency converter is connected with the control end of the driving motor. The device solves the problem that when the angle divider is driven by a common motor, the angle divider rushes forward or lags behind under the action of inertia, the rotation positioning precision of a workpiece is improved, and the device has the advantages of being simple in structure, convenient to use and low in cost.
Description
technical field [0001] The invention belongs to the technical field of station rotation positioning control, and in particular relates to a station rotation precise positioning control device. Background technique [0002] In the automatic flow production process, the workpiece is often rotated by the station to complete different processing tasks. Station rotation is an intermittent output movement, that is, the input shaft is driven to rotate by the drive motor, and an angle divider is sleeved and fixed on the input shaft, and a convex part is arranged around the angle divider, and the convex part and the branch A number of rollers evenly distributed along the circumferential direction of the index plate on the lower side of the index plate cooperate to realize the intermittent rotation of the output shaft. [0003] In the prior art, the following two methods are usually used to realize the precise positioning of the station rotation: one is to adopt a stepping motor or a...
Claims
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IPC IPC(8): G05B19/05
Inventor 钱立文
Owner ANHUI TONGFENG ELECTRONICS