JPH06418Y2 - Cutter descent amount adjusting device in sheet glass cutting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a cutter descent amount adjusting device in a plate glass cutting machine for cutting a large number of glass pieces from one plate glass.

[Conventional technology]

A conventional plate glass cutting machine for plate-cutting a large number of glass pieces from one plate glass is to mount the plate glass on a table as in Japanese Utility Model Laid-Open No. Sho 63-39133 and then, while moving the traveling body, A cutting line is inserted by the cutter of the lifting body that has been lowered by operating each cylinder of the traveling body.

In addition, the method of adjusting the amount of descent of each cutter is to install a cam in which the amount of protrusion from the center to the peripheral edge differs in multiple stages at the part of each cutter elevating body of the horizontal axis that grips and rotates the image, and then the upper peripheral edge of the cam. The lower end of the screw shaft of the elevating body is brought into contact with.

[Problems to be solved by the device]

Since the screw shaft provided on each lifting body is brought into contact with the cam provided corresponding to each lifting body, the number of cams increases and the lifting body is moved horizontally according to the position of the cutting line. In cutting the plate glass for forming, since the cam must be horizontally moved together with the lifting body, there is a problem that the structure becomes complicated.

Further, there is a problem that the number of cylinders for raising and lowering each lifting body also increases.

[Means for Solving the Problems]

In order to solve the above problems, the present invention provides a table on which a plate glass is placed, and a travel provided so as to reciprocate between edges facing each other passing above a plate glass placed on the table. In a plate glass cutting machine consisting of a body and a cutter provided on this traveling body to insert a cutting edge into the plate glass, a traveling body that reciprocates along the edge of the plate glass is provided on both sides sandwiching the plate glass. Both ends of the shaft are rotatably supported by both traveling bodies, and a pipe-like bar material with a cutter that is rotatable and allows sliding only in the vertical direction is fitted on the outside of the shaft. Is provided with a disc cam that rotates together with the shaft, and the upper and lower outer peripheral portions of the disc cam are held by projecting pieces projecting from the upper and lower end surfaces of the bar member, and rotation of the disc cam is stopped on the bar member side. Su A forward rotation and reverse rotation drive device for the shaft so that the cutter is lowered when the cutting line is inserted and the cutter is raised when the cutting line is finished. Is provided.

[Action]

While the bar material is traveling in one direction, a cutting line is inserted into the plate glass by the cutter lowered with the rotation of the bar material immediately after the traveling is started.

After the cutter passes over the plate glass, it rotates the bar member to raise it.

Further, when the plate thickness of the plate glass changes, the disc member is rotated together with the shaft by the operation member to raise or lower the bar member.

〔Example〕

In the figure, reference numeral 1 denotes a table on which a plate glass A is placed. The table 1 is provided with a horizontal bar member 2 which passes over the plate glass A placed on the table 1 and travels back and forth.

For mounting and reciprocating the bar member 2, two sets of guide rails 3 are provided on the front and rear sides and on the right and left sides of the table 1, and the sliding member 5 provided on the lower edge of the side plate 4 is provided on one of the rails 3. Is slidably fitted, and the wheel 6 supported by the lower edge of the side plate 4 is mounted on the other rail 3 and both ends of the shaft 8 are supported by the bearings 7 provided on the upper edges of the both side plates 4. A rectangular conveyor bar member 2 which is supported by a shaft and which is rotatable on both outer sides of the shaft 8 and which is slidable only in the vertical direction and is mounted, and is further driven by reversible operation of a motor 9 Although the both side plates 4 are fixed to 10 via the mounting metal fittings 11 to reciprocate, the reciprocation may be performed by other methods.

Further, the bar member 2 is provided with a cutter 12.

In the case of the cutter 12, the slider 13 of the bar member 2 supports the cutter holder 17 in the illustrated case, and the slider 13
Is a bar member 2 in which a required number of U-shaped sliders 13 are slidably fitted, and a vertically movable pressurizing body 16 incorporated in the slider 13 is screwed into the bar member 2 by screwing a screw shaft 15 with a photographing unit 14 into the bar member 2. The slider 13 can be fixed to the required position of the bar member 2 by pressing.

Further, in the vertical slide of the bar member 2 with respect to the shaft 8, a vertical groove 19 is provided on the outer surface of the end plate 18 of the bar member 2 in the case shown in the drawing, and both ends of the groove 19 are vertically oriented on the bottom surface. The long hole 20 is formed, and both ends of the shaft 8 are penetrated through the long hole 20, and the end of the shaft 8 is penetrated through the through hole 22 provided at the center of the plate-shaped body 21. Longitudinal ridge 2 protruding from the inner surface of 21
3 is fitted in the groove 19 and guided.

In addition, the shaft 8 is provided on the outer side of the plate-like body 21 of the shaft 8.
A disc cam 24 that rotates together with the disc cam 24 is provided. The upper and lower outer peripheral portions of the disc cam 24 are held by the projecting pieces 25 projecting from the upper and lower ends of the bar member 2 to form the disc cam 24. The bar member 2 is moved up and down in accordance with the turning operation of.

The disc cam 24 is composed of a disc and a through hole 26 provided so that the shaft 8 penetrates at an eccentric position of the disc, and the disc is fixed to the shaft 8 via a key 27. It

A stop device 28 for stopping the rotation of the disc cam 24 is provided on the bar member 2 side.

In the illustrated case, the above stop device 28 is provided with a recessed hole 29 provided at a required spacing position on the outer peripheral surface of the disc cam 24, a screw hole 30 provided on the upper projecting piece 25, and a recessed hole screwed into the screw hole 30. Although it is configured with the screw 31 that inserts the tip into the insertion hole 29, fixing means having other configurations may be adopted.

Further, at one end of the shaft 8, there is provided an operating member 32 composed of a disc that rotates together with the shaft 8 via a key. If this operating member 32 is provided with a scale 33 that coincides with each recess 29, this scale is provided. With 33, it is possible to easily know the amount of vertical adjustment of the bar material 2.

The upper and lower protrusions 25 are fixed to the upper and lower surfaces of the end plate 18 by screws.

Further, the drive device 34 of the shaft 8 which raises and lowers the cutter 12 by the rotation of the bar member 2 fixes the upper end of the inverted L-shaped lever 35 to the plate-shaped body 21 in the case shown in the drawing, and also controls the lever 35.
So that the lower end of the
And a pin 37 is attached to the lower side surface of the lever 35, and a hook 38 is attached to the side plate 4 rotatably in the middle thereof.
A spring 39 is stretched between the end of the hook 38 and the side plate 4 so as to impart rotatability in the direction in which the tip side of the hook 38 descends.
When the bar member 2 starts traveling in the forward direction, the stationary cam 40
The lower end rotor 41 of the lever 35 rides on the lever 35
At the same time, the cutter 12 is lowered while rotating the shaft 8 and the bar member 2 counterclockwise in FIG.
The notch and the pin 37 are aligned and the hook 38 which is rotated by the spring 39 is automatically engaged with the pin 37 as shown in FIG.

As a result, the plate glass A is maintained while the cutter 12 is kept in the lowered state.
Make a cutting line.

When the cutting line is finished and the bar material 2 is just advanced, the distal rotor 43 of the hook 38 is inserted under the stationary rail 42 as shown in FIG. Rotate.

As a result, the hook 38 is disengaged from the pin 37, and the shaft 36 and the bar member 2 are rotated in the clockwise direction in FIG. 6 together with the lever 35 by the spring 36, so that the cutter 12 is raised. The bar member 2 may be driven to rotate normally and reversely so as to move the cutter 12 up and down.

Although FIG. 6 and FIG. 7 show the operation of the driving device 34 for the bar member 2 which reciprocates in the front-rear direction in FIG. 1, it also applies to the bar member 2 which reciprocates in the left-right direction in FIG. A drive device having the above configuration or a configuration other than the above configuration may be adopted.

Further, in the illustrated case, two bar members are made to reciprocate in the X-axis direction and the Y-axis direction, but a plate glass cutting machine which makes one bar member reciprocate may be used.

Further, the vertical slide guide of the bar member 2 by fitting the groove 19 and the protrusion 23 is provided at only one end of the bar member 2 in the illustrated example, but may be provided at both ends.

Next, a method of adjusting the cutter descent amount will be described.

First, the tip of the screw 31 of the stop device 28 is made to escape from the recessed hole 29, and then the operating member 32 is gripped to hold the shaft 8
When is rotated, the bar member 2 is raised or lowered via the disc cam 24 which is also rotated, so that each cutter 12 of the bar member 2 is raised or lowered.

〔effect〕

As described above, according to the cutter descent amount adjusting device in the plate glass cutting machine according to the present invention, first, the stop of the rotation of the disc cam by the stop device is released, and the shaft is rotated by the operation of the operation member. By doing so, the disc cams between the pieces holding the upper and lower sides of the outer periphery rotate together to raise or lower the bar member, so that the descending amount of each cutter of the bar member can be adjusted simultaneously and quickly. be able to.

[Brief description of drawings]

FIG. 1 is a plan view of a sheet glass cutting machine according to the present invention, and FIG.
The figure is a front view of the same as above, FIG. 3 is a side view of the same, FIG. 4 is an enlarged vertical side view showing a main part of the same, FIG. 5 is an exploded perspective view of the same, and FIGS. 6 and 7 are bar members. Action diagram showing the rotation of
FIG. 8 is a vertical sectional side view of the bar material. A ... plate glass, 1 ... table, 2 ... bar material, 3 ... guide rail, 4 ... side plate, 5 ... sliding member, 6 ... wheel, 7 ... bearing, 8 ... shaft, 9 ... ... Motor, 10 ... Chain conveyor, 11 ... Mounting bracket, 12 ... Cutter, 13 ... Slider, 14 ... Take, 15 ... Screw shaft, 16 ... Pressurizing body, 17 ... Holder, 18 ... ... end plate, 19 ... groove, 20 ... long hole, 21 ... plate-like body, 22 ... through hole, 23 ... ridge, 24 ... disk cam, 25 ... projecting piece, 26 ... Through hole, 28 ... stop device, 29 ... recessed hole, 31 ... screw, 32 ... operation member, 34 ... driving device, 35 ... lever, 36,39 ... spring, 37 ... pin, 38 ... Hook, 40 ... Stationary cam, 41 ... Rotor, 42 ... Stationary rail, 43 ... Rotor

Claims (1)

[Scope of utility model registration request] 1. A table on which a sheet glass is placed, a traveling body provided so as to reciprocate between opposite edges passing above a sheet glass placed on the table, and the traveling body. In a plate glass cutting machine consisting of a cutter that inserts a cutting edge into the plate glass, a traveling body that reciprocates along the edge of the plate glass is provided on both sides of the plate glass, and both ends of the shaft are attached to both traveling bodies. It is rotatably supported, and a bar member with a cutter made of pipe that is freely rotatable and allows sliding only in the vertical direction is fitted on the outside of the shaft, and both ends of the shaft are rotated together with the shaft. A disc cam is provided, and the upper and lower outer peripheral portions of the disc cam are held by projecting pieces protruding from above and below the end surface of the bar member.
Furthermore, a stop device for stopping the rotation of the disc cam is provided on the bar material side, and a rotation operation member for the shaft is provided on the shaft.The cutter is lowered when the cutting line is inserted, and the cutter is removed when the cutting line is finished. A cutter lowering amount adjusting device in a plate glass cutting machine, characterized in that a forward rotation and a reverse rotation driving device of a shaft is provided to raise the shaft.