JPS6069630U - Screen stretching device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

Fig. 1 is a plan view showing one embodiment of the present invention, and Fig. 2 is a plan view showing an embodiment of the present invention.
A partially omitted enlarged sectional view taken along the line A-A in the figure, Figure 3 is an explanatory diagram of the gauze tensioning jack, Figure 4 is a diagram similar to Figure 2 with the air jack in operation, and Figure 5 The figure is an explanatory diagram showing a state in which the gauze tensioning jack is in operation, and FIGS. 6, 7, 8, and 9 are explanatory diagrams showing different embodiments of the present invention, respectively. 1: Workbench, 2.2A: Jacket for gauze tensioning - 13: Port, 4: Fixed frame, 5: Support stand, 6: Mounting body, 7: Pin, 8: Fixed side frame, 9: Pin, 10: Movement Element,
11: Movable arm, 12: Pin, 13: Mounting body, 14
: Bearing, 15: Movable frame, 16: Threaded part, 1
7: Threaded part, 18: Right-hand threaded part, -19: Left-hand threaded part, 20
: Shaft, 21: Forward/reverse rotation motor, 22 Nidoguru clamp, 23: Bolt, 24 Niscreen, 25: Clamping part,
26: Base board, 27: Table, 28: Frame, 29:
Air lifter, 30: Air tube, 31: Pipe, 32: Compressor, 33: Air bleed valve, 34:
roller.

Claims (6)

[Scope of utility model registration request] (1) A screen gauze tensioning device equipped with a gauze tensioning jack on a workbench capable of applying a predetermined tension to the screen, characterized in that the gauze tensioning jack is a pantograph type junkie. tension device. (2) The pantograph type jack has at least a pair of fixed arms, one end of which is pivoted to a fixed frame fixed to the workbench, and a pair of movable arms, each pivoted to the free end of the pair of fixed arms. - a member, at least a pair of movable arms having one end pivotally supported by the pair of movable members and the other end pivotally supported by a movable frame provided with a screen clamp; A shaft having a right-hand threaded portion and a left-hand threaded portion that move the fixed arm and the movable arm so that they protrude when rotated and contract the fixed arm and the movable arm when rotated in the opposite direction; - The screen gauze stretching device according to claim 1, which is characterized by comprising a forward and reverse rotating motor that rotates in opposite directions. (3) A pantograph type jack key has a shaft that is rotatably attached to a fixed frame fixed to a workbench and has a right-handed threaded portion and a left-handed threaded portion, and a shaft that is attached to the frame and rotates this shaft in forward and reverse directions. - A pair of arms pivotally supported by a reverse rotation motor and a movable frame j, one end of which is screwed into the right-hand threaded portion of the shaft and the other end of which is screwed into the left-hand threaded portion of the shaft, and the other end of which is provided with a screen clamp. A screen gauze stretching device according to claim 1, characterized in that the screen gauze device comprises: (4) The screen gauze stretching device according to any one of claims 1 to 3 of the utility model registration claim, characterized in that two pantograph jacks are arranged between the fixed frame and the movable frame. . (5) The screen gauging device according to any one of claims 1 to 4, wherein the pantograph jack is arranged in a protruding manner on the workbench. (6) A utility model registration claim characterized in that one pantograph type jack is disposed on the workbench, one for the vertical direction and one for the horizontal direction. The screen gauze device described in the above.