JPH08112735A - Work machining device and work transport method - Google Patents

Abstract

PURPOSE: To provide a work machining device which can conduct the easy feed and positioning of a work such as a pipe to the machining device and at the same time can increase transport efficiency. CONSTITUTION: A work machining device equipped with a transport truck 50 to transport a pipe P to be machined is equipped with a base 30; a pair of retaining mechanisms 33, 34 that are provided at the base 30 and retain the pipe P on the base 30; a machining portion 40 that is provided at the base 30 and machines the pipe P retained at the retaining mechanisms 33, 34; and a work receiving stand 60 on which the pipe P is placed and at the same time which is slidably provided on the transport truck 50 and which is transferred in slide movement onto the base 30 from the transport truck 50.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing apparatus for processing a work such as a pipe and a method for transporting the work on a base of the processing apparatus, and more particularly to a method capable of easily supplying and positioning the work.

[0002]

2. Description of the Related Art Conventionally, a processing device for forming a hole at a predetermined position of a metal pipe with an end mill or the like has been used. FIG. 5 shows a gate NC which is one of such processing devices.
It is a figure which shows a processing apparatus. In the figure, reference numeral 10 indicates a base fixed on the floor surface, and an arrow A in the drawing indicates on the base 10.
A movable table 11 is provided which is slidable in any direction. A pair of holding mechanisms 12 and 13 for holding both ends of the pipe P are provided on the moving table 11. The holding mechanisms 12 and 13 are provided with chucks 12a and 13a for clamping both ends of the pipe P, respectively.
Rotating mechanisms 12b and 13b for rotating a and 13a are provided. On the other hand, reference numeral 14 in the figure indicates a processing mechanism. The processing mechanism 14 is fixed to the floor surface and provided on the support portion 15 so as to straddle the base 10, a slider 16 attached to the support portion 15 so as to be slidable in the direction of arrow B in the drawing, and a slider 16 on the slider 16 in the drawing. Rotating part 1 attached in the direction of arrow C
7 is provided. An end mill 18 is attached to the tip of the rotating portion 17.

The pipe P before processing is supplied to such a conventional processing apparatus as follows. That is, the crane hook 21 provided at the tip of the crane 20 provided on the ceiling (not shown) is engaged with the wire 22 hung around the pipe P in the previous step (not shown), and the pipe P is lifted. . By operating the crane 20, the pipe P is conveyed between the holding mechanisms 12 and 13 of the base 10 and the pipe P conveyed by the operator.
Fine adjustments are made so that both ends of are positioned at the chuck centers of the chucks 12a and 13a. Chuck 1 at both ends of pipe P
After clamping to 2a and 13a respectively, the wire 22
Remove. The supplied pipe P is positioned at the processing position by moving the moving table 11, the slider 16, and the rotating portion 17 in the directions of arrows A, B, and C in the figure, and the end mill 18 performs the drilling process. When the processing is completed, the wire P is rewound on the pipe P, and the pipe P is conveyed to the next process by the crane 20.

[0004]

The above-described conventional pipe processing apparatus has the following problems. That is, in order to perform the operation by operating the crane 20 when supplying the pipe to the pipe processing apparatus, the operator's skill is required for fine adjustment for aligning the pipe P with the chuck centers of the chucks 12a and 13a of the holding mechanisms 12 and 13. It costs. For this reason, there is a problem that alignment is difficult and time is required. In addition, since the number of cranes 20 that can be installed is limited, there is a problem that throughput is lowered because the preparation for the conveyance of the next pipe P cannot be performed until the conveyance of one pipe P is completed.

Therefore, an object of the present invention is to provide a work processing apparatus and a work transfer method capable of easily supplying and positioning a work such as a pipe to a processing apparatus and increasing throughput.

[0006]

In order to solve the above-mentioned problems and to achieve the object, the present invention is a work processing apparatus provided with a transfer carriage for transferring a work to be processed. Holding means for holding the work on the base, processing means provided on the base for processing the work held by the holding means, and slidable on the transport carriage while the work is placed. A work cradle that is provided and is slidably transferred from the transport carriage onto the base is provided.

Further, it is preferable that a lifter for mounting the work cradle on the transfer carriage is provided so that the work cradle can be moved up and down. Further, the base is moved to a cradle for receiving the work cradle from the transfer carriage. It is preferable that the table is provided so as to be vertically movable.

On the other hand, in a work transfer method for transferring a work onto a base of a processing apparatus, a step of placing the work on a work pedestal on a transfer carriage, and a step of transferring the transfer carriage to the vicinity of the base, And a step of sliding and transferring the work cradle onto the base from the transport carriage.

[0009]

As a result of taking the above-mentioned means, the following effects occur. In a work processing device equipped with a transfer carriage for transferring the work to be processed, the work pedestal on which the work is placed is slidably transferred from the transfer carriage onto the base, so operation by an expert is required. Work can be easily transported without using a crane.

Further, in order to change the height position of the work cradle according to the size of the work, a lifter for mounting the work cradle in a vertically movable manner is provided on the transfer carriage, and the work cradle is mounted on the base. Since the pedestal moving table that can move up and down is provided, it is easy to align the work even if the size of the work changes, and the work pedestal can be easily transferred from the carrier to the base. .

[0011]

1 is a perspective view showing a state in which a pipe P as a work is set in a pipe processing apparatus as a work processing apparatus according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along line XX of FIG. A cross-sectional view seen from the arrow direction, (a) to (d) of FIG.
[Fig. 7] is a diagram showing a step of carrying the pipe P. Also, FIG.
FIG. 6 is a perspective view showing a state in which another pipe P ′ is set in the processing device.

The pipe processing apparatus holds a pipe P to be processed / positioned, a pipe holding unit 30, a pipe processing unit 40 as a processing means for processing the pipe P held by the pipe holding unit 30, and a pipe holding unit. A pipe carrier 50 for supplying the pipe P to the pipe 30 and a work carrier 60 transferred from the pipe carrier 50 to the pipe holding unit 30 are provided.

The pipe holding portion 30 is provided with a base 31 fixed on the floor surface and an arrow D in the figure provided on the base 31.
And a pair of holding mechanisms 33 and 34 as holding means for holding both ends of the pipe P provided on the moving table 32, and a moving table 32 that is slidable in the direction, and is arranged between these holding mechanisms 33 and 34. A cradle moving table 35 is provided which is slidably movable in the direction of the middle arrow E and on which a work cradle 60 is placed. The holding mechanism 33 is provided so as to be slidable in an arrow E direction in the drawing, which is parallel to the axial direction of the pipe P (hereinafter, referred to as “axial direction of the pipe P”) when the pipe P holds the moving table 32. Has been. The holding mechanisms 33 and 34 have chucks 33a and 34a for clamping both ends of the pipe P, respectively.
And rotation mechanisms 33b and 34b for rotating the chucks 33a and 34a. The chuck 33
The a and 34a are variable chucks so that they can be used for various pipe diameters.

A pedestal moving table 35 is provided on the moving table 32. This cradle moving table 35
Is a flat plate-like bottom plate 36 as shown in FIG.
6, a slide roller 36a provided in the lower part in the figure for allowing the bottom plate 36 to slide on the moving table 32 in a direction parallel to the axial direction of the pipe P, and a bottom roller 36a provided in the upper part in the figure and described below. A lifter 37 that supports the plate 38 so as to be movable up and down, and a top plate 38 supported by the lifter 37 are provided. A work cradle 60 is provided on the top of the top plate 38 in the figure.
A sliding roller 38a is provided to allow sliding of the workpiece P in a direction perpendicular to the axial direction of the pipe P, and a stopper plate 38b for preventing the work receiving base 60 from falling from the top plate 38. Note that reference numeral 39 in the drawing denotes a pedestal moving table drive mechanism which is provided on the moving table 32 in parallel with the axial direction of the pipe P and slides the bottom plate 36 of the pedestal moving table 35 in the E direction in FIG.

The pipe processing section 40 includes a support section 41 fixed to the floor and provided over the base 31, and a slider 42 slidably attached to the support section 41 in the direction of arrow F in FIG. The slider 42 has a rotating portion 43 attached in the direction of arrow G in FIG. A removable end mill 44 is attached to the tip of the rotating portion 43. The pipe holding unit 30 and the pipe processing unit 40 are provided with a control unit (not shown) that stores and executes a program that automatically sets the processing position at a predetermined position of the pipe P, and is described above. The moving table 32, the slider 42, and the rotating unit 43 are controlled by a program.

As shown in FIG. 2, the pipe carrier 50 includes an apparatus (not shown) for performing a pre-process on the floor surface and the pipe holder 3.
A carriage 51 configured to be capable of traveling between 0 and 0; a lifter 52 provided on the carriage 51 to support a top plate 53 described below so as to be vertically movable; and a top plate 53 provided on the lifter 52. I have it. In order to prevent the work table 60 from sliding down on the top plate 53, a slide roller 53a on which the work table 60 is slidably mounted in a direction perpendicular to the axial direction of the pipe P and to prevent the work table 60 from falling from the top plate 53. Stop plate 53b is provided.

The work cradle 60 has a flat bottom plate 61.
And a pair of roller support plates 62 and 63 provided on the upper edge of the bottom plate 61 in parallel with the axial direction of the pipe P, and the bottom plate 6
1, a holding base 64 provided on the upper side of the central portion of the pipe 1 in parallel with the axial direction of the pipe P, and a roller support plate 62 and first rollers 65a to 65d both ends of which are rotatably supported by the holding base 64.
Second rollers 66a to 66d (66a, 66c, 66d) rotatably supported by the roller support plate 63 and the holding base 64.
Are not shown). First rollers 65a to 65d
The second rollers 66a to 66d are arranged to be inclined so as to form a V shape, so that the pipe P can be stably supported in a state in which it is difficult to roll.

In the pipe processing apparatus thus constructed, the pipe P is transported, positioned and processed as follows. That is, the work receiving table 60 is placed on the top plate 53 of the pipe transporting vehicle 50 in advance. Next, the pipe carrier 5
0 is transported along a predetermined transport path (not shown) to a position (not shown) where the previous process is performed. Figure 3 in this position
As shown in (a), the unprocessed pipe P is placed on the work receiving base 60 on the pipe transfer carriage 50. The pipe transport vehicle 50 is transported along the transport path to the vicinity of the pipe holding unit 30. Further, as shown in FIG. 3B, the top plate 53 of the pipe carrier 50 moves until it comes close to the top plate 38 of the receiving table moving table 35 on the moving table 32. The pedestal moving table 35 has been moved in advance so as to be positioned in the central portion of the pipe P.

Next, as shown in FIG. 3 (c), the lifter 52 of the pipe carrier 50 is raised to move the pipe carrier 5
The height of the top plate 53 of 0 and the top plate 3 of the cradle moving table 35
Adjust so that the height of 8 is almost the same. Next, the operator mounts the work cradle 6 on the top plate 53 of the pipe carrier 50.
As shown in FIG. 3D, 0 is pushed and slid in the direction of the arrow Q in the figure to move it onto the top plate 38 of the cradle moving table 35. In addition, the slide rollers 53 are provided on the top plates 53 and 38, respectively.
Since the a and 38a are provided, the work cradle 60 can be easily moved.

The work cradle 60 is the cradle moving table 3
After moving to the top plate 38 of No. 5, the cradle moving table 35
Of the pipe P mounted on the work table 60 on the top plate 38 and the holding mechanisms 33, 3 are lifted.
The height is adjusted so that the chuck centers of the chucks 33a and 34a of No. 4 are aligned. After the height adjustment is completed, the pedestal moving table 35 is the pedestal moving table drive mechanism 3
9 is moved to the chuck 34a side of the holding mechanism 34. The end of the pipe P is aligned with the chuck 34a and then clamped. Next, the holding mechanism 33 is slid to the holding mechanism 34 side. The other end of the pipe P is aligned with the chuck 33a and then clamped. At this point, the pipe P is held by the pipe holding unit 30, and the carrying operation is completed. Next, the cradle moving table 35
Lower the top plate 38 of the above, and place the work cradle 60 on the pipe P.
Keep away from.

Next, when the operator gives an instruction to start processing from a control console (not shown), the moving table 32 causes the pipe processing section 4 to move.
It slides to the 0 side and stops at a predetermined position according to a program input in advance. Next, the holding mechanism 33, 3
The pipe P is rotated and positioned by a rotating mechanism 33b, 34b of No. 4 to a predetermined drilling position. Next, the rotating unit 43 of the pipe processing unit 40 rotates, and the pipe P is perforated by the end mill 44. When the boring process is completed, the moving table 32 and the holding mechanism 33 are moved to the next boring position.
The pipe P is moved and rotated by the operation of the rotating mechanisms 33b and 34b of 34 to position the pipe. Drilling is performed in the same manner. When the boring process at the predetermined position is completed in this way, the moving table 32 slides to the vicinity of the original position of the pipe carrier 50.

The top plate 38 of the cradle moving table 35 is raised to bring the work cradle 60 into contact with the pipe P. The chucks 33a and 34a of the holding mechanisms 33 and 34 are opened. The holding mechanism 33 is slid to the opposite side of the holding mechanism 34. The height of the top plate 38 of the cradle moving table 35 is adjusted to match the height of the top plate 53 of the carrier vehicle 50. Next, the worker pushes and slides the work cradle 60 on the top plate 38 of the cradle moving table 35, and the pipe transport carriage 50
It moves to the top plate 53 of. Next, the pipe transport vehicle 50 is transported to a position (not shown) where a post process is performed (transport route (not shown)).
Transport along.

Further, as shown in FIG. 4, when a pipe P'having a shorter length and a smaller diameter than that of the pipe P is set, the position of the cradle moving table 35 moves to the holding mechanism 34 and the ceiling. The chucks 33a and 34a of the holding mechanisms 33 and 34 are clamped at a position where the plate 38 is high.

As described above, according to this embodiment, when the pipe P is aligned with the chuck centers of the chucks 33a, 34a of the holding mechanisms 33, 34, the top plate 38 by the lifter 37 of the cradle moving table 35 is aligned. Since the height can be adjusted by adjusting the height, the position can be easily adjusted without requiring skill. Even if the length of the pipe P changes, the pedestal moving table 35 is moved according to the length of the pipe P, so that the pipe P can be stably supported. Furthermore, the pipe P is chucked by moving the cradle moving table 35.
It becomes easy to make it clamp to 4a. On the other hand, by using the pipe transport carriage 50, the pipe P can be transported without using a crane. For this reason, by preparing a plurality of pipe transport carriages 50 as needed, it is possible to supply the pipes P to the work cradle and align the pipes P at the same time, and thus the throughput is improved. It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made without departing from the spirit of the present invention.

[0025]

According to the present invention, in a work processing apparatus equipped with a transfer carriage for transferring a work to be processed, a work pedestal on which a work is placed is slidably transferred from the transfer carriage onto the base. Therefore, the work can be easily transported without using a crane which requires an operation by a skilled person.

Further, in order to change the height position of the work cradle according to the size of the work, a lifter for mounting the work cradle in a vertically movable manner is provided on the transfer carriage, and the work cradle is provided on the base. Since the pedestal moving table that can move up and down is provided, it is easy to align the work even if the size of the work changes, and the work pedestal can be easily transferred from the carrier to the base. . Therefore, the work can be easily supplied and positioned in the processing device.

[Brief description of drawings]

FIG. 1 is a perspective view showing a pipe processing apparatus according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the same device taken along line XX in FIG. 1 and seen in the direction of the arrow.

FIG. 3 is a process diagram showing a method of transporting a pipe P in the same apparatus.

FIG. 4 is a perspective view showing a case where pipes of different sizes are supplied to the apparatus.

FIG. 5 is a perspective view showing a conventional pipe processing apparatus.

[Explanation of symbols]

30 ... Pipe holding part 31 ... Base 32 ... Moving table 33, 34 ... Holding mechanism 33a, 34a ... Chuck 33b, 34b ...
Rotating mechanism 35 ... Cradle moving table 36 ... Bottom plate 36a ... Sliding roller 37 ... Lifter 38 ... Top plate 38a ... Sliding roller 38b ... Stop plate 39 ... Cradle moving table drive mechanism 40 ... Pipe processing part 41 ... Support part 42 ... Slider 43 ... Rotating part 44 ... End mill 50 ... Pipe transport cart 51 ... Truck 52 ... Lifter 53 ... Top plate 53a ... Sliding roller 53b ... Stop plate 60 ... Work receiving table 61 ... Bottom plate 62, 63 ... Roller support plate 64 ... Holding table 65a-65d ... 1st roller 66a-66d ...
Second roller

Claims (4)

[Claims] 1. A work processing apparatus including a transfer carriage for transferring a work to be processed, a base, a holding means provided on the base for holding the work on the base, and a holding means provided on the base. Processing means for processing the work held by means, and a work cradle on which the work is placed and slidably provided on the transport carriage, and which is slidably transferred from the transport carriage onto the base. And a work processing device. 2. The work processing apparatus according to claim 1, wherein the transport carriage is provided with a lifter for mounting the work cradle so as to be vertically movable. 3. The work processing apparatus according to claim 1, wherein the base is provided with a pedestal moving table for receiving a work pedestal from the transport carriage so as to be vertically movable. 4. A work transfer method for transferring a work onto a base of a processing apparatus, the step of placing the work on a work pedestal on a transfer carriage, and the step of transferring the transfer carriage to the vicinity of the base. And a step of sliding and transferring the work cradle onto the base from the transfer carriage.