JPH0674211U - Drilling device - Google Patents

Abstract

(57) [Abstract] [Purpose] Particularly, the present invention relates to a drilling device for drilling the side surface of a frame of a finished car of shiyashi in the automobile manufacturing process. [Structure] A vertically expandable pillar 5 is planted on a bogie 1, and an upper end of the pillar 5 is supported by an arcuate frame 8 capable of rotating in a horizontal plane and swinging in a vertical plane. Arc frame 8
Supports a supporting frame 14 swingably in a plane orthogonal to the shaking motion in the vertical plane, and the supporting frame 14 is attracted to the punching machine 20 and the punching target. The magnet 18 is attached to the magnet 18, and the magnet 18 is arranged along the advancing / retreating direction of the boring tool 22 of the boring machine 20.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a drilling device for drilling the side surface of a frame of a finished shiyashi car, particularly in the automobile manufacturing process.

[0002]

[Prior art]

 Conventionally, in the automobile manufacturing process, when drilling holes on the frame side of a finished car of Shiyashi, the positioning of the electric drilling machine is done by adsorbing the magnet attached to the main body to the frame. Due to the fact that the drilling tool such as a broach is fed slowly by hand, the drilling machine drops due to vibration etc. The safety and accuracy of the work could not be maintained, such as when it was stored

[0003]

[Problems to be solved by the device]

 In order to make up for the above-mentioned drawbacks of the prior art, the present invention is intended to ensure the safety and accuracy of the drilling work by not burdening the weight of the drilling machine on the magnet.

[0004]

[Means for Solving the Problems]

 That is, in this invention, a vertically expandable pillar is planted on a bogie, and the upper end of the pillar is supported by an arc-shaped frame capable of rotating in a horizontal plane and swinging in a vertical plane. A supporting frame is supported on the frame so as to be swingable in a plane orthogonal to the shaking motion in the vertical plane, and the supporting frame is attached to the punching machine and the object to be drilled. And a magnet, which is arranged along the direction of movement of the drilling tool of the drilling machine.

[0005]

[Action]

 Adjust the height by expanding and contracting the stanchions toward the object that needs to be pierced, for example, the part of the frame of the finished shiyashi car that requires piercing, and then move the arcuate frame and the support frame at a predetermined angle. After moving, vibrating, and swinging the magnet, the magnet is attracted to the frame, and the drilling tool is rotated while the drilling machine is moved forward. Make a hole.

[0006]

【Example】

 The invention will now be described in more detail with reference to the illustrated embodiment. In FIG. 1, reference numeral 1 denotes a trolley provided with wheels 2, on which trolley 1 is composed of a hydraulic cylinder 3 and an axial rod 4 which is driven forward and backward by the hydraulic cylinder 3. A possible support 5 is planted, and a pedestal 7 which is rotatable in a horizontal plane is attached to the upper end of the support 5, that is, the upper end of the rod 4 through a bearing 6.

The arcuate frame 8 having a semi-arcuate shape is allowed to oscillate in one vertical plane by three rollers 9, 10 and 11 rotatably supported in the pedestal 7. The bearing pieces 12 and 13 mounted on both ends of the arc-shaped frame 8 support both rising pieces 15 and 16 of the support frame 14 having a U-shaped cross section.

A magnet 18 is attached to the lower surface of the bottom piece 17 of the support piece 14, and a puncher body 19 is attached to the upper surface of the bottom piece 17, and the puncher 20 slides on the body 19. A base 21 is slidably supported. Reference numeral 22 denotes a drilling tool (broach) for the drilling machine 20. The drilling tool 22 passes through a through hole 23 formed in the bottom piece 17 during the forward / backward movement for the drilling work. So that the bottom piece 17 can be projected downward.

As a result of the above configuration, the magnets 18 are arranged along the direction of the forward / backward movement of the drilling tool 22, and the drilling tool 22 is drilled in the vicinity of the drilling tool 22 during the drilling work described later. It is adsorbed on the object.

A mechanism for opening the hydraulic pressure release valve 27 of the hydraulic pump 26 by depressing the pedal 24 against the force of the spring 25 is shown on the trolley 1. By this depression, Pressure oil is press-fitted into the hydraulic cylinder 3 from a hydraulic power source (not shown) through a pipe 28 to cause the shaft rod 4 to stroke.

A drive source for moving the drilling machine 20 on the slide table 21 and rotating the drilling tool 22 is not shown.

The usage mode of the punching device having the above configuration is as follows. That is, the bogie 1 is moved so as to approach the frame 29 of the automobile as the object to be punched shown in FIG. 2, and the height of the column 5 is appropriately adjusted by feeding the pressure oil into the hydraulic cylinder 3. To do.

Next, the arcuate frame 8 is rotated in a horizontal plane, shaken in a vertical plane, and rocked in the support frame 14, and when predetermined positioning is completed, the magnet 18 is moved to the frame 2 Adsorb to 9. This magnet 18 is an electromagnetic magnet for practical use. When the above positioning is performed, the magnet 18 is energized so that it is strongly attracted to the frame 29, and after the work is completed, it is de-excited and pulled from the frame 29. Try to speak.

When the positioning is completed as described above, the drilling machine 20 is slid on the main body 19 and moved forward to rotate the drilling tool 22 attached to the drilling machine 20. Then, a predetermined hole is formed in the frame 29.

[0015]

[Effect of device]

 According to the drilling device of the present invention, for example, when drilling a frame of a finished shiyashi car, only the magnet is brought into close contact with the surface of the other side. Since the burden is imposed by the frame structure consisting of the arcuate frame and the support frame, safe and accurate drilling can be performed without causing accidents such as dropping of the drilling machine during drilling work. Is possible.

[Brief description of drawings]

FIG. 1 is an elevational view of the device of the present invention.

FIG. 2 is a perspective view of an essential part of a state where a boring operation is performed using the device of the present invention.

[Explanation of symbols]

 1 dolly 5 pillars 8 arcuate frame 14 support frame 18 magnet 20 drilling machine 22 drilling tool

Claims (1)

[Scope of utility model registration request] 1. A vertically extensible strut is planted on a trolley, and an upper end of the strut is supported by an arc-shaped frame capable of rotating in a horizontal plane and oscillating in a vertical plane. Has
A support frame is supported so as to be swingable in a plane orthogonal to the shaking motion in the vertical plane, and a drilling machine and a magnet adsorbed to a drilling target are attached to this support frame. In this case, the magnet is a drilling device which is arranged along the moving direction of the drilling tool of the drilling machine.