JPH051721B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a ruler device for a circular saw machine.

[Prior Art] Prior to explaining the present invention, the overall structure of a circular saw will be explained based on FIGS. 4 and 5.
The figure is a plan view thereof, and FIG. 5 is a right side view of FIG. 4.

In FIGS. 4 and 5, the circular saw machine 1 includes:
A circular saw 2 is attached so as to protrude from the upper surface of a table 3, and a contact prevention device 4 is attached to the circular saw 2. In addition, there are legs 5 below the table 3.
and a circular saw drive electric motor (not shown). 6 is a general term for ruler devices.

In the above configuration, the work of cutting a workpiece using the circular saw machine 1 is performed as follows.

First, the ruler device 6 is moved left and right to set the dimension between the circular saw 2 and the ruler 7 to a required cutting dimension, and then the ruler device 6 is fixed so that it does not move. Then, the workpiece is placed on the table 3 and transferred along the ruler 7 in the direction of the circular saw 2 to be cut.

In this way, the ruler device 6 allows the dimension between the circular saw 2 and the ruler 7 to be arbitrarily set.
Usually, it has a feed mechanism that can be moved along the ruler guide member by engaging a rack and a pinion. Further, it has a fixing mechanism that fixes the ruler device 6 so that it does not move, and even if the ruler device 6 moves, the ruler 7
It must also have the function of keeping the blade parallel to the circular saw 2 at all times. The reason for this is that if the circular saw 2 and the ruler 7 are not parallel, the workpiece may not be cut to the required cutting dimensions, or the workpiece may be caught between the circular saw 2 and the ruler 7 and transported. This is because it would create a situation where it is impossible to do so.

Here, the structure of the conventional circular saw ruler device will be explained based on FIGS. 6 and 7.
The figure is a partial cross-sectional plan view, and Figure 7 is C- in Figure 6.
It is a sectional view taken along line C.

6 and 7, a ruler guide member 11 and a rack 12 are attached to the front side of the table 3 by bolts 28 and nuts 38 via a collar 29, and a support member is attached to the rear side of the table 3. 1
8 is attached by bolts 10 and nuts 39. The ruler 7 is attached and fixed to a ruler attachment member 9 with two bolts 8, 8. This ruler mounting portion 9 is provided with a groove 9a, into which the ruler guide member 11 fits and slides. A pinion 13 having a shaft has a spring 16 attached to the shaft, the shaft passes through a hole in the ruler mounting member 9, and a feed handle 15 is fixed to the shaft end. Since the aforementioned pinion 13 is engaged with the rack 12, when the feed handle 15 is turned, the ruler device 6 moves along the ruler guide member 11. If the feed handle 15 is pulled toward the user, the rack 12 and pinion 13 are disengaged, so that the ruler device 6 can be moved rapidly. The lock lever 19 is rotatably attached to the ruler attachment member 9 by a pin 20. The lock plate 17 is fixed to the rear side of the ruler 7, and is connected to a fixing plate 30 located at the front side of the ruler 7 via a rod 21. Rod 21
The front end of the lock plate 17 is screwed to a nut 33, and by rotating the nut 33, the circumferential dimensions of the lock plate 17 and the fixed plate 30 are adjusted. When the lock lever 19 is tilted in the direction of arrow P in FIG.
The fixing plate 30 rotates about the headless screw 32 as a fulcrum. Therefore, the fixing plate 30 presses the side surface of the guide member 11, and the lock plate 17 connected by the rod 21 presses the side surface of the support member 18, thereby fixing the ruler device 6. Note that 31 is a leaf spring for separating the fixed plate 30 from the ruler guide member 11 when the lock lever 19 is returned to its original position. The ruler mounting member 9 is
Holes 9c are provided at two ends of the groove 9a in a direction perpendicular to the groove 9a, and in these holes 9c,
A steel ball 34 is placed in a pressed state by a spring 35. The pressing force of the spring 35 is adjusted by a set screw 36. Also, hole 9c
The diameter of the side that intersects with the groove 9a is smaller than the diameter of the steel ball 34 for the purpose of preventing the steel ball 34 from falling off. As shown in FIG. 6, the two steel balls 34 press against the ruler guide member 11, thereby causing the groove 9a to
The fitting gap between them is located only on one side, and the state of contact between the ruler guide member 11 and the ruler mounting member 9 is always aligned. Therefore, once the bolt 8 is loosened and the ruler 7 is adjusted to be parallel to the circular saw 2, even if the ruler device 6 is moved thereafter, the ruler 7 will remain parallel to the circular saw 2. There is.

[Problem that the invention seeks to solve]

The structure and operation of the conventional ruler device for circular saw machines are as described above, but in the case of this type of conventional device,
Since the mechanism for transferring the ruler mounting member 9 in the direction of the circular saw 2 and the mechanism for aligning the contact state between the ruler mounting member 9 and the ruler guide member 11 are constructed separately, the ruler mounting member 9 cannot be easily moved. The internal structure had to become more complex.

The present invention was made as a result of reviewing the overall configuration of a circular saw machine, and its purpose is to reduce product costs by simplifying the structure of a ruler device for a circular saw machine compared to the conventional one. The object of the present invention is to provide an improved device of this kind that can be easily maintained and inspected at the same time.

[Means for solving problems]

In order to achieve the above object, the present invention provides a table on which a workpiece is placed and moved, a circular saw protruding from the top surface of the table, a ruler for parallel cutting of the workpiece with respect to the circular saw, and a ruler mounting member to which the ruler is attached. and a ruler guide member attached to the table and configured to move the ruler mounting member in the direction of the circular saw;
In the circular saw machine having a feeding mechanism that moves the ruler mounting member in the direction of the circular saw along the guide member, the feeding mechanism that moves the ruler mounting member in the direction of the circular saw includes a ruler mounting member and a ruler guide member. The device is characterized by comprising means for matching the state of contact with the device.

[Effect]

Therefore, by adopting the above configuration, the present invention uses the ruler attachment member when transferring the workpiece in the direction of the circular saw after parallel cutting between the workpiece placed on the table and the circular saw. Since the means for aligning the ruler guide member and the ruler guide member are integrated into the feed mechanism that transports the ruler mounting member in the direction of the circular saw, the structure of the ruler device for a circular saw machine is simpler than before. can be converted into

〔Example〕

Hereinafter, the present invention will be explained based on an embodiment shown in FIGS. 1 to 3. FIG. 1 is a partially cross-sectional plan view of a ruler device for a circular saw according to the present invention, and FIG. 3 is a sectional view taken along line AA of FIG. 1, and FIG. 3 is a sectional view taken along line BB of FIG.

In FIGS. 1 to 3, a ruler guide member 11 and a rack 12 are mounted on the front side of the table 3.
A support member 18 is attached to the rear side of the table 3 with a bolt 10 and a nut 39, and as clearly shown in FIGS. 2 and 3, the ruler guide member 11 extends further downward than the rack 12. The ruler 7 is fixedly attached to a ruler mounting member 9 with two bolts 8, 8. This ruler mounting member 9 includes
A groove 9a is provided, into which the ruler guide member 11 fits and slides. The shaft 14 is
Pinion 1 is located at a position slightly retracted from the tip of the pinion.
3 is fixed by welding etc. Further, the shaft 14 has a spring 16 attached to its shaft, which passes through a hole in the ruler mounting member 9, and further has a feed handle 15 fixed to its shaft end. Since the aforementioned pinion 13 is engaged with the rack 12, when the feed handle 15 is turned, the ruler device 6 moves along the ruler guide member 11. If the feed handle 15 is pulled toward the user, the rack 12 and pinion 13 are disengaged, so that the ruler device 6 can be moved rapidly. The fixed handle 23 is attached perpendicularly to the groove 9a, and by turning the fixed handle 23, the ruler guide member 11 is tightened and the front side of the ruler device 6 is fixed. The lock lever 19 is rotatably attached to the ruler attachment member 9 by a pin 20,
Further, the lock lever 19 has its shaft end exposed to the outside through the window 9b. The end plate 22 is fixed to the rear end of the ruler 7 by welding or the like, and a lock plate 17 is slidably attached to sandwich the end plate 22. This lock plate 17 is connected to a lock lever 19 via a rod 21.
When the lock lever 19 is tilted as shown by the two-dot chain line in FIG. 2, the lock plate 17 is pulled forward and pressed against the side surface of the support member 18 to fix the rear side of the ruler device 6. In addition, by rotating the nut 25,
Since the position of the lock plate 17 can be changed, the lock plate 17 and the ruler device 6 described above can be changed.
The degree of fixation can be adjusted as appropriate. 1st
In the figures and FIG. 2, reference numeral 24 indicates a spring, and the spring 24 is provided to release the pressure contact of the lock plate 17 when the lock lever 19 is returned to its original position.

However, in the above configuration, the shaft 14
The tip of the is constantly pressing the ruler guide member 11 due to the load of the spring 16, and the fitting gap between the groove 9a and the ruler guide member 11 is only on one side, and the ruler guide member 11 and the ruler mounting member 9 are The contact states of are always consistent. Therefore, once bolt 8
If the ruler 7 is adjusted to be parallel to the circular saw 2 by loosening the ruler 7, the ruler 7 will remain parallel to the circular saw 2 even if the ruler device 6 is moved thereafter.

〔Effect of the invention〕

The present invention is as described above, and as is clear from the explanation of the illustrated embodiments, according to the present invention, after parallel cutting is performed between the workpiece placed on the table and the circular saw, the workpiece is When transferring the ruler in the direction of the circular saw, the means for aligning the ruler mounting member and the ruler guide member against each other is integrated into the feeding mechanism that transfers the ruler mounting member in the direction of the circular saw, which is different from the conventional method. In comparison, the structure of the ruler device for circular saw machines has been simplified,
It is possible to obtain an improved device of this type that can reduce product cost and at the same time facilitate maintenance and inspection work.

[Brief explanation of the drawing]

FIG. 1 is a partially cross-sectional plan view showing an embodiment of a ruler device for a circular saw machine according to the present invention, and FIG. 2 is an A of FIG. 1.
3 is a sectional view taken along line B-B in FIG. 1, FIG. 4 is a plan view showing the overall structure of the circular saw, FIG. 5 is a right side view of FIG. The figure is a partially cross-sectional plan view of a conventional ruler device for a circular saw machine, and FIG. 7 is a cross-sectional view taken along the line CC in FIG. 6. DESCRIPTION OF SYMBOLS 1... Circular saw machine, 2... Circular saw, 3... Table, 6... Ruler device, 7... Ruler, 9... Ruler mounting member, 11... Ruler guide member, 12... Rack, 13... Pinion, 1
4...Shaft, 15...Feed handle, 16...Spring.

Claims (1)

[Claims] 1. A rectangular table on which a workpiece is placed, a circular saw protruding from the top surface of the table, a ruler extending in the depth direction of the table and slidable in the left and right directions on the top surface of the table, and holding the ruler. A ruler mounting member is located on the front side of the table so as to be slidable in the left-right direction, and has a groove extending in the left-right direction on both the left and right sides. an attached ruler guide member, a rack attached to the ruler guide member and extending parallel to the ruler guide member, a pinion that meshes with the rack, and a pinion that is rotatably held by the ruler attachment member and slightly rearward from the tip a feed shaft to which the pinion is attached and whose tip pushes the ruler guide member toward the table; a spring provided on the outer periphery of the feed shaft between the pinion and the ruler mounting member to press the tip of the feed shaft toward the table; and a feed handle for rotating the feed shaft, and the ruler guide member, which is pushed toward the table side by the tip of the feed shaft, is brought into contact with two points inside the grooves at both left and right ends of the ruler mounting member. Features a circular saw ruler device.