JPH07241812A - Tenon working device for wooden building material - Google Patents

Abstract

PURPOSE:To provide a tenon working device, capable of working a tenon on the fore end and the rear end of a work without necessitating any reversing operation. CONSTITUTION:Tables 4a, 4b are arranged before and after a space 3. Said tables 4a, 4b are provided with clamping means Ba, Bb respectively. A traversing body 9 and an elevating body 14 are arranged at the side of a work feeding passage A formed on the tables 4a, 4b while a cutting head F is controlled so as to be moved left-and-right and up-and-down by both of the moving bodies 9, 14. A forwardly advancing cutter (a) and a rearwardly advancing cutter (b) are mounted on the cutting head F so as to be movable into fore-and-rear direction freely. A coupling conveyer 37, moving left-and-right together with said traversing body 9, is arranged. The coupling conveyer 37 communicates with the front table 4 and the rear table 4b to form one series of work feeding passage when the conveyer is situated at the space 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tenon processing device for wooden construction materials which can efficiently perform tenon processing on both front and rear ends.

[0002]

2. Description of the Related Art In a conventional frame construction method, it is necessary to perform various types of mortise processing on a horizontal member, a column member, etc. used as a structural material. For example, a female tenon and a male tenon shown in FIGS. 7 and 8 are formed on an end (a mouth end) of a base or a beam as a horizontal member, and the tenon is processed by the present applicant. It is performed by a dedicated machine such as the proposed processing machine (described in the specification of Japanese Patent Publication No. 5-60762). With the number of skilled workers drastically decreasing, machine-precut structural materials are praised for their high precision and high fitting strength.

The above-mentioned mortise processing apparatus is provided with a clamping means and a cutting head for a work material on the front side of a work table of a machine, and an operator performs a work operation at a fixed position. By the way, it is usually necessary to perform tenon processing to each structural material on both ends, and in this case, conventionally,
This is to deal with the work material by reversing it in the longitudinal direction.

[0004]

In the above, if the processed material is short, the reversing operation is relatively easy. However, it is pointed out that the long ones are difficult to work due to the added weight and require a large work space. In addition, the conventional processing equipment has only one cutter, so in order to perform many types of mortise processing such as different front end and rear end, it is necessary to replace the cutter one by one and hit it efficiently. I couldn't.

The present invention has been made by paying attention to the above-mentioned problems of the prior art. By making it possible to transfer a work material in the longitudinal direction, and by providing a cutter facing forward and a cutter facing backward, , To provide a mortise processing device for wooden construction materials that can perform mortise processing on both ends without the need for reversing operation.

Another object of the present invention is to provide a mortise processing apparatus for a wooden construction material which can efficiently perform various types of mortise processing by making it possible to change each cutter in the front-back direction.

[0007]

In order to achieve the above object, a tenon processing device according to the present invention is constructed as follows. That is, the gist of the point is that the material feeding paths for transporting the processed material in the longitudinal direction are arranged at the front and rear with a space between the material feeding materials, and clamping means are provided in each of the material feeding paths, and A transverse moving body that is controllably moved in the right and left directions orthogonal to each other, and an elevating body that is controllably moved in the vertical direction are provided, and a cutting head is movably provided by these. When moving to the inside of the empty space, a connecting conveyor that connects the front and rear feeding paths is movably provided.

In addition to the above requirements, a second aspect of the present invention of the tenon machine for wooden building materials according to the present invention is configured so that the cutting head can be swiveled in a horizontal plane or a vertical plane, and the orientation of the cutter in the front-back direction. The point is that it is possible to convert.

[0009]

Function: The processed material is clamped and fixed in the front feeding path. This allows a forward facing cutter to correspond to one end of the workpiece. Therefore, mortise processing can be performed on one end by controlling the movement of the cutting head. When the cutting process is completed, the connecting conveyor moves into the void and connects the front and rear feeding paths. The processed material whose one end has been finished is transferred to the rear feeding path through the connecting conveyor.

The work material is clamped and fixed in the rear feeding path. Thereby, the rearward facing cutter corresponds to the other end of the processed material. Therefore, the mortise processing to the other end can be performed by controlling the movement of the cutting head. The processed material, which has been subjected to the tenon processing on both ends as described above, is carried out in the material feeding path on the rear side.

For example, a forward facing cutter is attached to the cutting head, and a backward facing cutter is attached to the female tenon. When tenon processing is performed as it is, male tenon processing can be performed on the front end and female tenon processing can be performed on the rear end.
When the cutter is changed by the turning operation of the cutting head, both the front end and the rear end can be subjected to tenon processing.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a tenon processing device for wooden building materials according to the present invention will be described below. FIG. 1 is a side view showing the overall structure, and FIG. 2 is a front view of the same. Reference numeral 1 is a base frame 2a and 2b are beds 4a provided on the front and rear sides of the base frame 1 with an appropriate space (space 3). 4b is a roller type table arranged on the beds 2a and 2b. On the tables 4a and 4b, a material feeding path A for transporting the processed material W in the longitudinal direction is formed.

Ba and Bb are clamping means for the work material W provided at both ends of the table 4a, 4b at the end of the material feeding path A. The clamping means Ba, Bb are a pair of vice pieces 5, 5 on both sides and a vice piece. A feed screw shaft 6 that centrically opens and closes 5, 5 and an operation handle 7 that rotates the feed screw shaft 6. The work material W is clamped and fixed with the center in the width direction as a reference position.

8 and 8 are vacant spaces 3 on the base frame 1.
The left and right guide rails 9 arranged on the lower side are column-shaped lateral moving bodies arranged on the guide rails 8 via slide bearings. The lateral moving bodies 9 are located on one side of the feeding path A (see FIG. 2). It is movably installed on the left side). Reference numeral C denotes a lateral movement means for controlling the movement of the lateral movement body 9. The feed screw shaft 10 in the direction of the guide rail 8 and the servomotor 1 for rotationally driving the feed screw shaft 10 are provided.
1. The passive nut 12 on the side of the lateral moving body 9 that is screwed onto the feed screw shaft 10 is used.

Reference numerals 13 and 13 denote vertical guide rails arranged on the side surfaces of the lateral moving body 9. Reference numeral 14 is an elevating body arranged on the guide rails 13 through slide bearings. D is an elevating movement for controlling the movement of the elevating body 14. By means of guide rail 1
It comprises a feed screw shaft 15 in three directions, a servomotor 16 for rotationally driving the feed screw shaft 15, and a passive nut 17 on the side of the lifting body 14 that is screwed onto the feed screw shaft 15. The elevating body 14 is provided so as to project laterally from the lateral moving body 9.

Reference numeral 20 denotes a rotary plate E provided at a side end of the lifting body 14. Rotating plate E is a rotating means for rotating the rotary plate 20 in a front and rear vertical plane, and a horizontal support shaft 21 provided on the rotary plate 20. It is configured by a passive gear 22 mounted on the horizontal support shaft 21, a rack rod 23 meshing with the passive gear 22, and a pneumatic cylinder 24 on the side of the elevating body 14 that operates the rack rod 23. The turntable 20 is
The rotation angle (180
Regulated).

Reference numeral F denotes a cutting head provided on the turntable 20, which includes a drive motor 26 projecting the rotary shaft 25 forward and backward, a first cutter a attached to the front end of the rotary shaft 25, and a second cutter a attached to the rear end. The cutter b is used. First above
The cutter a and the second cutter b are set in opposite directions by the rotation of the turntable 20. In FIG. 1, the first cutter a is used for female tenon processing, and the second cutter b is used for male tenon processing.

Reference numeral 27 is a cover body in which a slide cylinder 28 is engaged with the vertical guide rails 13 to be able to move up and down. The free hanging operation of the cover body 27 is stopped by the contact with the upper end of the lift body 4. Further, the cover body 27 forms two cover chambers 27a and 27b in the front and rear, and respectively covers the first cutter a and the second cutter b. In the mantle position, the lower end of the cover body 27 is located slightly below the lower ends of the cutting edges of the cutters a and b. 29 is a cover chamber 28
It is a dust collecting port connected to a and 28b.

Reference numeral 30 designates a pneumatic cylinder 31 mounted laterally on the upper end of the lateral moving body 31, an engaging projection 32 provided on the end of the piston rod, and a receiving projection 32 provided on the cover body 27 corresponding to the engaging projection 31. The cover body 27 when the two are engaged with each other through the hole.
Hold in place. Engagement of both covers 27
Can only be done when is in the top position. Each member such as the above-mentioned engaging projection 31 constitutes a retracting means G for the cover body.

LS is a lifting body 14 via a mounting stay 33.
The limit switch attached to the cover body 27 is combined with the switch operating piece 34 attached to the cover body 27 to form the detecting means H for detecting the upper surface of the workpiece W. (See FIG. 3) When the cutting head F descends and the cover body 27 comes into contact with the upper surface of the workpiece W to stop, the detection means H moves relative to each other due to the subsequent descending of the cutting head F. Output the detection signal.

Using the above detection signal as a base point, the lateral moving body 9
Servo Motor 11 and Elevator 14 Servo Motor 16
Are driven and controlled according to a predetermined NC program. Various operating programs are prepared depending on the processing target, and are appropriately selected by a select switch (not shown) or the like. As an example, in the case of female tenon processing, the program operation of FIG. 4 is performed, and in the case of male tenon processing, the program operation of FIG. 5 is performed.

4 and 5, P1 is a cutter a,
The origin position of b, P2 is the output position of the detection signal, and P3 is the cutting position of the cutter. P1 to P2 are not constant depending on the type of tenon, the height dimension of the processed material W, etc., but P2 to P2
P3 is always constant. From this condition, the starting point of mortise processing can be set with the upper surface of the processed material W as a reference. The cutters a and b are fast-forwarded in the section P1 to P2, and the cutting is fed in the section P2 to P3 and thereafter.

Next, reference numeral 35 is a roller-type connecting conveyor which is connected to the lateral moving body 9 by a connecting member 36 and which is provided by engaging with the left and right guide rails 8 and is arranged above the supporting frame 35. Is. The connecting conveyor 37 moves to the left and right together with the lateral moving body 9, and the cutter a,
When b is at the origin position (solid line position in FIG. 2), a series of material feeding paths A is formed in the void 3 together with the front and rear tables 4a and 4b.

Reference numeral 38 is a vertical guide provided on the support frame 35. Reference numeral 39 is a lifting plate 40a and 4 provided on the vertical guide 38.
0b is a work contact piece 4 provided at the front and rear ends of the lifting plate 39.
Reference numeral 1 is a pneumatic cylinder that operates the lifting plate 39. The work abutting pieces 40a and 40b appear and disappear on the material feeding surface of the connecting conveyor 37.

The constitution of the tenon processing apparatus according to one embodiment is as described above, and tenon processing is performed on both ends as follows. For example, male tenon processing is performed on the front end and female tenon processing is performed on the rear end. The case of performing will be described. First, the cutters a and b of the spindle head F are checked. In the illustrated example, the forward-facing cutter a is for the female tenon, so replacement is required. In this case, after the cover member 27 is held at the upper end position by the retracting means G, the spindle head F is lowered and the rotating means E is operated in a state where they do not interfere with each other.

After the cutters a and b have been converted by the rotation of 180 degrees, the spindle head F is returned to the original raised position and the retracting means G is released. By this, the cover body 27
To be able to move up and down freely. If you do this,
Next, the work material W is supplied to the front table 4a, and the tip thereof is set in contact with the work regulating piece 40a, and the clamping means Ba is set.
Clamp and fix by. In the initial state, the cutters a and b are at the origin position (the solid line position in FIG. 2) and the connecting conveyor 37 is at the empty space 3, so that the position of the workpiece W can be set smoothly.

When the work set is completed as described above, the operation program suitable for male tenon machining is selected by the select switch (not shown), and the cutting process is executed. The cutting head F is first fast-forwarded laterally from the origin position. Fast-forwarding is performed by moving the lateral moving body 9 to the right, and this operation causes the connecting conveyor 3 to move.
7 and the work restricting pieces 40a and 40b are retracted from the empty space 3. When the cutter b reaches a predetermined value with respect to the centripetal position of the processed material W and the lateral feeding is completed, the cutter b is fast forwarded downward.

This fast-forwarding is performed by the lowering operation of the lifting / lowering body 14, and the cover 27
Lower end contacts the upper surface of the processed material W. The above-mentioned contact position is the output position of the detection signal of P2 in FIG. 5, and the fast-forwarding is stopped. Then, the cutting feed by the program is started with this position as the base point. Work material W by cutting feed
The required tenon is processed at the front end of the. When the cutting process is completed, the cutting head F is quickly returned to the origin position. The cover body 27 on the upper surface of the processed material W is also raised by this returning operation.

When the male tenon processing on the front end is completed, the clamping means Ba is opened and the processed material W is placed on the rear table 4b.
Supply to. Connection conveyor 3 to space 3 by returning to the origin
7 is provided and forms a series of material feeding paths A, the transfer is smooth. The table 4b has the rear end of the processed material W
When it reaches, the work contact piece 40b is projected onto the conveying surface, the processed material W is returned to the front, and the rear end is contacted. And
At that position, it is clamped and fixed by the clamp means Bb.

By the above-described rotation of the cutting head F, the rearward-facing cutter b is used for processing the female tenon, so that no conversion operation is required this time. Therefore, in this case, an operating program suitable for female tenon machining is selected and cutting is immediately started. This female tenon processing is performed as shown in FIG. The operations of the connecting conveyor 37, the detecting means H, and the like during operation are the same as in the case of male tenon processing described above.

When the tenon processing to the rear end is completed in this way, the clamping means Bb is opened and the processed material W is carried out from the table 4b and supplied to the next step. After the carry-out, the process returns to the beginning and a new processed material W is supplied to the front table 4a. Then, while operating as described above, the subsequent mortises are sequentially processed.

The cutting head F having the structure of the above-described embodiment is used.
Indicates that the rotary shaft 25 is projected in the front-rear direction, and the number of attached cutters is limited to two. However, if the turret type cutting head of FIG. 6 is used, it is possible to equip a larger number of cutters, and it is possible to cope with many types of mortise processing. In the figure, 50 is an ascending / descending body 51 is a turning drive motor for a turret head 52 and 53 is a cutter af.
Drive motor. In addition, the well-known automatic tool changer (A
It is also easy to provide a TC device), and the same operational effects are exhibited.

Further, in one embodiment, the cutting head F is rotated in a vertical plane to carry out the diverting operation of the cutter. However, it may rotate in a horizontal plane about the vertical axis. This horizontal plane rotation system can be easily implemented even in a turret type cutting head. In the case of this method, since there is no protrusion of the cutter in the vertical direction at the time of conversion, there is a structural advantage that the retracted amount of the cover body can be set as small as possible.

Further, in one embodiment, the column-shaped lateral moving body 9 is provided.
Although the cutting head F is moved to the left and right and up and down with the elevating body 14, the elevating body is arranged on the fixed column, and the elevating body is provided with the lateral moving body to control the movement of the cutting head in both directions. . Also, in one embodiment, two cutters a, b
Although the single cover body 27 is used as the outer cover for the dual purpose, it is needless to say that they may be individually arranged. In this case, the detection means H is provided for each.

Further, in one embodiment, the connecting conveyor 37 is connected to the lateral moving body 9 and the latter is retracted by utilizing the movement of the former. However, both may be provided separately, and the connecting conveyor 37 may be provided with a dedicated moving means. In this case, the movement of the lateral moving body for moving from the empty space to the retracted position is unnecessary, and the cutting process can be started quickly.

In the embodiment, the work regulating pieces 40a, 40b are provided on the side of the connecting conveyor 37, but it is easy to design, for example, on the side of the lifting body 14 or on the side of the beds 2a, 2b. . If a known laser marking type light beam display is used, it is possible to eliminate the mechanical contact method. The position of the processed material can also be determined by a method of aligning the black wire attached to the processed material W with the index on the machine side.

[0037]

As described above, the mortise processing apparatus according to the present invention enables the processed material to be transferred in the longitudinal direction, and
It is provided with a forward facing cutter corresponding to the front end of the processed material and a backward facing cutter corresponding to the rear end. For this reason,
It has an excellent effect that the tenon of both ends can be efficiently processed without reversing the processed material. Further, when the cutter can be changed in the front-rear direction, it is possible to appropriately cope with various types of mortise processing.

[Brief description of drawings]

FIG. 1 is a side view showing an overall configuration of a tenon processing device according to the present invention.

FIG. 2 is likewise a front view.

FIG. 3 is a front view showing a configuration of a cutting head and a cover body.

FIG. 4 is an explanatory diagram showing an operation of a cutter in mortise processing.

FIG. 5 is likewise an operation explanatory diagram.

FIG. 6 is a side view showing a configuration of a turret type cutting head.

FIG. 7 is a perspective view showing the shape of a female tenon.

FIG. 8 is a perspective view showing the shape of a male tenon.

[Explanation of symbols]

 3 Empty space 4a Front table 4b Rear table A Feeding path Ba Front side clamping means Bb Rear side clamping means 9 Lateral moving body C Lateral moving means 14 Elevating body D Elevating moving means 20 Rotating plate E Rotating means F Cutting Head 25 Rotational Axis a Forward Cutter b Backward Cutter 27 Cover G G Retracting Means H Detecting Means P1 Origin Position P2 Detecting Positions P3 Cutting Positions 37 Connected Conveyor

Claims (2)

[Claims] 1. A material feeding path for transporting a processed material in the longitudinal direction is arranged in front and rear of a space, and a clamping means is provided in each material feeding path, and a left-right direction orthogonal to the material feeding direction. A horizontal moving body that moves in a controlled manner and an elevating body that moves in a vertical direction are provided, and a cutting head is movably provided by these, and a cutter that faces the front and the rear is attached to this cutting head. A tenon processing device for wooden construction materials, characterized in that a connecting conveyor that connects the front and rear feeding paths is movably provided when moving. 2. The mortise processing apparatus for a wooden building material according to claim 1, wherein the cutting head is configured to be pivotable in a horizontal plane or a vertical plane, and the direction of the cutter can be changed in the front-back direction.