JPS5822249A - Tenter arm turning device - Google Patents

Abstract

PURPOSE:To make a device small by providing a rotatable screw shaft inside the hollow rotary shaft of a forwardly and backwardly rotatable motor, by screwing said shaft into a fixed nut member, and by rotatably providing a tenter arm on a frame. CONSTITUTION:An armature 3, etc., is provided outside the hollow rotary shaft 2 of a forwardly and backwardly rotatable motor 1, and a nut member 5 is fixed on the end section of the shaft 2 to form the body of a screw shaft 8 to be inserted. Moreover, the screw shaft 8 rotatably fixed in its end of a machine bed 9 is inserted into and penetrated through said body 7 to be inserted to screw it into a nut member 5. And, a mounting frame 11 is provided on the body 7 via a bearing 12, and the fixing part 13 of a tenter arm 13 is rotatably fixed on this frame 11. Hereby, the entier device can be greatly made compact since the motor 1 is equipped in the device body in a body with the nut member 5.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention automatically corrects deviations of transferred fabric and
This invention relates to an improvement of a tenter arm rotation device [H] that is arranged in a fabric receiving section of a fabric transfer device to increase the width of the tenter.

A screw shaft is screwed and inserted into a nut member that is pivotally attached to the tip side of the TenFarm through a bearing, etc., and the nut member is moved left and right on the screw shaft by the power of the drive source to rotate the TenFarm. In the case of a rotating device of the type configured to move the nut member, the means for moving the nut member include actively rotating the screw shaft or actively rotating the nut member side. Two methods have been adopted.

The present invention relates to an improvement of a type of device that actively rotates the nut member side to rotate the arm of a tenter.The present invention makes it possible to make the device more compact and lightweight, thereby achieving various benefits in terms of equipment. Our main objective is to provide a device that has excellent rotational efficiency of parts, can smoothly move the nut part on the screw shaft, and rotates the tenferm, and has excellent durability with few breakdowns. The rotary shaft of the motor, which can be rotated forward and backward, is formed hollow, and a nut member is fixed to the end HIX of the hollow rotary shaft to allow the screw shaft to fit into the insert. A screw shaft having one end rotatably pivoted to the machine base is inserted and penetrated into the insert to be fitted, and is screwed to the tray member, and a bearing is inserted into the insert to be fitted. This invention relates to an arm rotation device for a tenter, which is constructed by installing a frame for attaching the tenter to the frame, and rotatably pivoting the distal end side of the arm of the tenter to the frame.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Phase 1 is a motor capable of forward and reverse rotation.

A hollow rotating shaft 2, an armature (rotor) 3 fixed to its outer periphery, and an electric magnet 4 arranged outside the armature.
It is composed of etc. 5 is a nut member formed of a ball screen nut that is fitted onto one or both ends of the hollow rotating shaft 2 and fixed with a screw 6, etc.; 7. Reference numeral 8 denotes a screw shaft that is longer than the insert 7 to be fitted, and the shaft is screwed into the nut member 5 of the insert 7 to be fitted so as to pass through the inside of the hollow rotating shaft 2, and both ends of the shaft are inserted into the nut member 5 of the insert 7 to be fitted. It protrudes from both sides of the insert 7, and one protruding end is pivotally connected to the base 9'VC1 in this embodiment so as to be rotatable parallel to the plane of a tenku arm, which will be described later. IIU
This is a mounting frame that also serves as a motor casing and is fitted onto the insertion body 7 via a rotary bearing 12.12, and the lower surface of the distal end side of the arm 13 of the upper surface of the frame 11 is rotatably pivoted. 14 constitutes an arm rotation device for the tenku, and 15 schematically represents a rotation support shaft for the tenku.

Next, the operation and effect of the above structure will be explained.Although not shown in the figure, the deviation of the transferred fabric is detected, and the armature (rotor of the motor l) is energized by the detection signal. ) 3 rotates in either the forward or reverse direction, the hollow rotating shaft 2 and the nut member 5 also rotate together, and due to the rotation of the nut member, the fitted insert 7 consisting of the hollow rotating shaft 2 and the nut member 5 is rotated around the screw shaft. Since one end is rotatably pivoted, it moves smoothly and lightly on the screw shaft 8 in either the left or right direction, and moves the tip side of the arm of the tenter along its rotation support shaft 15 by accompanying the frame 11. The device rotates smoothly in either the left or right direction using the fulcrum as a fulcrum, and the necessary deviation correction is performed.In the present invention, unlike conventional devices, there is no need for an external motor or the like. Since the motor is integrated with the nut member and installed inside the main body of the device, the entire device is extremely compact and does not have high tension. Therefore, it can be installed even in a narrow space, and it is light and easy to handle. can be,
In addition, since no transmission parts such as transmission belts or pulleys are required, the effectiveness of compactness is further improved. Of course, there is less noise, and there is no risk of slipping or failure due to the use of these transmission members, and the rotational efficiency of the nut member can be maintained extremely well, and the accuracy of fabric deviation correction by the tenk can be improved. Fourthly, by rotatably pivoting one end of the screw shaft, the movement of the Nand member can be done smoothly and easily, and therefore the tension can be moved without using a link mechanism or the like. This can bring about various great effects such as the ability to smoothly rotate the farm without any strain.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a schematic front view of the entire device, FIG. 2 is a plan view thereof, and FIG. 3 is an enlarged sectional view of the main parts. 1... Forward/reverse rotating motor, 2... Hollow rotating shaft. 3...Armature, 5...Nut member, 7...-Insert J 8-Meeting/Screw shaft, 10-Fist/Pivot part, 11--Mounting frame, 1211...Bearing, 13...Tenku arm, 14... Pivot joint.

Claims (1)

[Claims] A rotary shaft of a motor capable of forward and reverse rotation is made hollow, and a nut member is fixed to the end of the hollow rotary shaft to form an insert into which the scree shaft is fitted. . A screen shaft, whose one end is rotatably pivoted to the machine base, is inserted into the insert to be fitted, and is threaded through the nut member, and a frame for mounting is attached to the insert to be fitted via a bearing. A tenter arm rotation device comprising a frame with a tip side of a tenter arm pivotably attached to the frame.