JP2507357Y2 - Large insert processing machine - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a large insert processing machine for forming a right-angled groove on a material to be cut such as wood and forming a dovetail groove at the center of the right-angled groove.

[Conventional technology]

As a means for connecting timbers, one wood is formed with a right-angled groove, a dovetail groove is formed at the center of this right-angled groove, and the other wood is provided with a convex portion that engages with these right-angled groove and dovetail groove. There is a means for connecting them, and a large insertion processing machine is used as a processing device for forming a dovetail groove in the central portion of the right-angled groove.

As shown in FIG. 6, the conventional large insert processing machine M ₀ has a main body 50.
In this main body 50, as shown in FIG. 7, a flat spindle 60 for forming a right-angled groove and an dovetail spindle 61 for forming a dovetail groove in the right-angled groove are arranged in parallel. A flat cutter and a dovetail cutter are provided below the both spindles 60 and 61, respectively. The main body 50 is supported by a moving frame 51, and the moving frame 51
Is movable in the vertical direction along the guide shafts 52, 52, and the moving frame 51 has lateral guide shafts 53, 53 extending in the lateral direction, and the main body 50 along the lateral guide shafts 53, 53. Can be moved laterally.

At the rear of the moving frame 51, a scale forming plate 54 is formed in the lateral direction
The scale forming plate 54 is provided with a slit 5 in the lateral direction.
6,56 are provided, and stopper 5 is provided along this slit 56.
8,58 are designed to move. A scale 55 is provided on the scale forming plate 54, and a stopper plate 62 is provided below the rear surface of the main body 50. A right-angled groove A is formed on a wood W as a material to be cut, and a dovetail groove B is formed at the center of the right-angled groove A. A center indicator needle 57 is hung on the lower surface of the scale forming plate 54, and the center indicator needle 57 is positioned at the center line of the dovetail groove B to be formed. A stopper 59 is provided on the inner surface of the horizontal frame near the guide shaft 52 of the moving frame 51.

Next, a method of positioning the flat cutter 60 and the dovetail cutter 61 will be described.

First, the entire large-insertion processing machine M ₀ is moved along the longitudinal direction of the workpiece W, and the center indicator needle 57 is aligned with the center line of the right-angled groove A to be processed. Then, the left side stopper 58 is loosened and slid in the slit 56 so as to correspond to the width of the right-angled groove A to be formed from its center line, and the stopper 58 is fixed at a predetermined position. When the stopper plate 62 attached to the main body 50 comes into contact with the left stopper 58, the end of the flat cutter 60 for forming the right-angled groove is aligned with the left side wall of the right-angled groove A to be formed. . Further, the stopper 58 on the right side moves the main body 50 to the right side in the drawing so that the stopper plate 62 is
The flat cutter 60 is stopped at a position where the end face of the flat cutter 60 is aligned with the right side face of the right-angled groove A when abutting against the 58.

In this way, the right-angled groove A is formed after positioning the flat cutter 60, and after the formation of the right-angled groove A, the dovetail cutter 61 is moved to a position that matches the center line of the right-angled groove A. In FIG. 7, the main body 50 must be moved to the left side in the figure. At this time, the stopper plate 62 attached to the main body 50 collides with the first stopper 58, and the main body 50 cannot be moved to the left side in the figure in this state. Therefore, the main body 50 is moved to the left while loosening the stopper 58 and moving it to the left along the slit 56. Then, the main body 50 is moved until it comes into contact with a stopper 59 attached to the inner surface of the horizontal frame of the moving frame 51, and when the side wall of the main body 50 comes into contact with the stopper 59, the center of the dovetail cutter 61 is a right-angled groove. Align with the centerline of A. Incidentally, in FIG. 7, the stopper 59
And the distance 1 ₁ between the right side surface of the main body 50, the central indicator needle 57
If the distance between the center line of the right ant cutter 61 1 ₂ and through a 1 ₁ = 1 _2. Further, the right-angled groove A is symmetrical with respect to the center line passing through the center indicating needle 57, the side surface thereof is equidistant from the center line 1, and the right end of the left flat cutter 60 and the right-angled groove A. the distance 1 ₃ between the right side wall 61 of the in equal relation to the left distance between the walls 1 ₄ of the right side surface and the stopper 58 of the stopper plate 62.

[Problems to be solved by the device]

However, after positioning the stoppers 58, 58 for forming the right-angled groove A as described above, the right-angled groove A is formed, and after forming the right-angled groove A, the one stopper 58 is loosened to form the slit 56. The main body 50 must be moved to the side of the moving frame so that the inside can be freely moved, and the dovetail cutter 61 must be aligned with the center line of the right-angled groove A, and the loosening operation of the stopper 58 is required. Therefore, the operation was complicated.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a large entry processing machine that can facilitate positioning of a dovetail cutter for forming a dovetail groove.

[Means to solve the problem]

Therefore, in the present invention, a flat spindle for forming a right-angled groove and a dovetail spindle for forming a dovetail groove of a body of a large-insertion processing machine are arranged in parallel, and a scale forming plate is laterally attached to a moving frame that supports the body, A positioning scale is formed on the scale forming plate, and a main positioning stopper is extended from the main body below the scale forming plate along the central axis of the main body to form a right-angled groove on the right and left sides of the scale forming plate. A pair of first stoppers for determining the position of the flat cutter attached to the flat spindle at the time of forming are provided, and after forming the right-angled groove, the main body is moved to one side in the lateral direction of the moving frame and stopped by the second stopper. In a large insertion processing machine in which the cutter is positioned at the center of the right-angled groove, the main stopper is movably attached to the main body, and the main body is moved after the right-angled groove is formed. Configured so as to pass over the first stopper to move the main stopper when moving the one side.

[Action]

The main stopper is attached to the main body so as to be vertically swingable, and the first stopper is operated to stop at a position corresponding to the width of the right-angled groove to form the right-angled groove, and then the main stopper is rocked downward. The main body is moved to one side of the moving frame so that the center line of the dovetail cutter and the center line of the right-angled groove are aligned with each other. In this way, when the main body is moved to the side wall of the moving frame, the main stopper is positioned at the lower position, so that it passes through without contacting the first positioning stopper of the flat cutter. be able to. Therefore, it is not necessary to loosen the first stopper after the formation of the right-angled groove to make its movement free, so that the positioning of the dovetail cutter for forming the dovetail groove becomes easy.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

1 and 2, the large insertion processing machine of the present invention
M ₁ has a moving frame 1, and this moving frame 1 is movable along guide shafts 2, 2 which are provided at intervals on the left and right. A main body 3 of a large-insertion processing machine is supported on the moving frame 1, and a flat spindle 4 for forming a right-angled groove in a workpiece W to be processed is provided in the main body 3. A dovetail spindle 5 for forming a dovetail groove at the center of the right-angled groove is provided side by side. A flat cutter 6 is mounted below the flat spindle 4, while a truncated cone-shaped dovetail cutter 7 is mounted below the dovetail spindle. Both cutters 6 and 7 are vertically movable with respect to the main body 3 by a vertical movement mechanism (not shown).

The moving frame 1 has side frames 10, 10 on the left and right, and each side frame 10 is provided with a handle 11.
An operator operates this handle 11 to move the moving frame 1 along the longitudinal direction of the workpiece W. Lateral guide shafts 12 and 13 are arranged at intervals between the both side frames 10 and 10, and the main body 3 is provided along the guide shafts 12 and 13.
Can be moved left and right. The ends of the guide shafts 2, 2 arranged on the left and right are fixed by a fixed frame 14, and the side frames 14a, 14 are provided on the left and right of the fixed frame 14.
a is provided, and fixing tools 8 and 8 are provided on the lower front surface of the side frame 14a. The fixing tools 8 and 8 are in contact with the side surfaces of the work material W to be processed and are opposite to the work material W. By pressing a fixing device (not shown) on the side surface, the main body frame of the large insertion processing machine M ₁ is fixed to the workpiece W. A power cord is provided on the upper part of the main body 3.
15 are arranged.

Scale forming plates 16 are arranged on the left and right below the rear surface of the main body 3, and the left and right ends of the scale forming plate 16 are fixed to the rear surfaces of the side frames 10, 10 of the moving frame.

The scale forming plate 16 is provided with a scale 17 for forming a position, and a slide base 18 provided on the lower part of the front surface of the main body 3 slides along the scale 17. A main stopper 24 is provided below the scale forming plate 16 below the rear surface of the main body 3, and the main stopper 24 is attached to the lower surface of the scale forming plate 16 so as to be left and right spaced from each other. It is slidably supported by a shaft 22 mounted between the ears 23, 23. The main stopper 24 includes a horizontal overhanging portion 24a and a rising portion 24b that rises upward from the front end of the horizontal overhanging portion 24a,
The rising portion 24b projects upward from the front end of the scale forming plate 16 when the main stopper 24 is in the horizontal position. A central indicator needle 30 is hung below the sliding base 18 of the main body 3 of the scale forming plate 16.
Reference numeral 30 is used to position the moving frame 1 on the center line of the right-angled groove of the workpiece W to be processed.
The scale forming plate 16 is provided with two slits 19, 19 on the left and right sides, and a first stopper 20 is slidable on the left and right sides along the slits 19. The first stopper 20 engages with a nut 21 located under the scale forming plate 16.

 Next, the operation of the present invention will be described.

First, the operator holds the handle 11 provided on the side frame 10 of the moving frame and moves the entire insertion processing machine along the work W to the center line previously formed on the flat surface of the work W. Align the center pointer 30. Then, the first stopper 20 is loosened as described above according to the width of the right-angled groove from the center line and the scale is adjusted.
The first stopper 20 is moved along 17 to fix the first stopper 20 at a predetermined position. In this first stopper 20, when the main body 3 is moved left and right and the main stoppers 24 are brought into contact with the respective first stoppers 20, the ends of the flat cutter 6 are located on the left and right wall surfaces of the right-angled groove to be formed. Is positioned as.

After the right-angled groove is formed in this way, the operator keeps the first stoppers 20, 20 in the same state without loosening them, and the operator lowers the front end of the rising portion 24b protruding above the main stopper 24 with a finger. Lower to. As a result, the horizontal overhanging portion 24a of the main stopper 24 is located below the lower end of the shaft of the first stopper 20. In such a state, the main body 3 is moved to the left side in FIG. 1, and the side wall 3 is attached to the designated end portions 25, 25 (second stopper surface) of the side frame 11 of the lateral guide shaft 12.
Contact a. At this time, the main stopper 24 can pass as it is without contacting the lower end of the left first stopper 20. Also, the second stopper surface
25 is an alicutter when contacting the side wall of the main body 3
The positional relationship is set in advance so that the center of the line coincides with the center line. Instead of the second stopper surface 25, it is also possible to form a stopper rod on the inner wall of the side frame 11 as conventionally provided.

 Next, another embodiment of the present invention will be described.

In FIG. 3, the main stopper 24 is attached to the support projection 80 formed on the lower portion of the rear surface of the main body 3 via the shaft 22, and is usually located on the scale forming plate 16 as indicated by the one-dot chain line. When the stopper 20 is crossed, it is moved upward as shown by the solid line.

In FIG. 4, a support protrusion 81 is formed on the lower portion of the rear surface of the main body 3 below the scale forming plate 16, and a main stopper 24 is attached to the support protrusion 81 via a guide pin 82. The main stopper 24 moves up and down with the guide pin 82 as a guide.

In FIG. 5, a support protrusion 90 is formed on the lower portion of the rear surface of the main body, and a main stopper 91 is attached to the tip of the support protrusion 90 via a stopper knob 92 so as to be vertically movable. When forming the right-angled groove, the main stopper 24 is lowered and positioned on the scale forming plate 16, and when the first stopper 20 is crossed, the main stopper 24 is pulled upward.

[Effect of device]

Since the present invention is configured as described above, it is the first for positioning a flat cutter for processing a right-angled groove after forming the right-angled groove.
It is possible to pass the main body in the side wall direction of the moving frame without colliding with the main stopper attached to the main body without colliding with the stopper 20 without loosening, and to easily position the dovetail cutter for forming the dovetail groove. Has the effect.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a depositing machine of the present invention, FIG. 2 is a side view of the same, and FIG. 3 is a side view of a positioning device according to another embodiment of the present invention. FIG. 4 (a) is a side view of a positioning device according to still another embodiment of the present invention, FIG. 4 (b) is a view taken along arrow A of FIG. 4 (a), and FIG. FIG. 6 is a side view of the positioning device which is the embodiment of the present invention, FIG. 6 is a perspective view of a conventional large depositing machine, and FIG. 7 is an explanatory view of the positioning operation of the conventional large depositing machine. 1 ... moving frame, 2 ... guide shaft, 3 ... main body, 4
...... Flat spindle, 5 …… Ali spindle, 6 …… Flat cutter, 7 …… Ari cutter, 16 …… Scale forming plate, 20…
… First stopper, 24,91 …… Main stopper.

Claims (1)

(57) [Scope of utility model registration request] 1. A flat spindle for forming a right-angled groove and a dovetail spindle for forming a dovetail groove in a main body of a large-insertion processing machine are arranged side by side, and a scale forming plate is laterally attached to a moving frame supporting the main body. A positioning scale is formed on the scale forming plate, a main positioning stopper is extended from the main body below the scale forming plate along the central axis of the main body, and right and left grooves are formed on the scale forming plate. A pair of first stoppers for determining the position of the flat cutter attached to the flat spindle at the time, and after forming the right-angled groove, the main body is moved to one side in the lateral direction of the moving frame and stopped by the second stopper. In a large insertion processing machine in which is positioned at the center of the right-angled groove, the main stopper is movably attached to the main body, and the main body is moved after the right-angled groove is formed. Large put machine characterized by being adapted to pass over the first stopper to move the main stopper when moving in.