JP2001198619A - Pulling-out tool for sheet metal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pulling-out tool for sheet metal which is useable freely moving its bit to a plurality of points on the surface of sheet metal which is wanted to be pulled out by rotating an operating means as a footing is positioned by pressing a place while is required to be pressed, with a leg body. SOLUTION: This tool includes a 1st operating means 10 which is provided with the bit 19 which is weldable on the surface of the sheet metal, a 2nd operating means 20 for pulling up the 1st operating means 10 and a shaft body 70 which is pivotally supported by the 2nd operating means 20, with which the 1st operating means 10 is supported and also which is movable in one body with the 1st operating means 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawer for sheet metal, and more particularly to a drawer for a special part such as a recess formed near a press line or an end of a car door formed in a car body, or a drawer for a car body. The present invention relates to a sheet metal drawer that can cope with the extraction of a special flaw such as a line-shaped flaw.

[0002]

2. Description of the Related Art In sheet metal work of an automobile body, a concave portion 330 formed near a press line 310 (an upper portion or a base) formed in an automobile door 300 as shown in FIGS. 1 and 2, for example. , 350, and the recess 340 generated near the end 320 of the automobile door 300 can be quickly pulled out, and a linear scratch (long groove scratch or scratch) as shown in FIG. Etc.) There is a long-awaited demand for a sheet metal drawer capable of performing 360 drawers by continuous work. (Prior Art) Conventionally, a sheet metal drawer shown in FIGS. 27 to 29 has been known as a sheet metal drawer which is convenient for drawing out a concave portion of a sheet metal surface at the time of sheet metal.

[0003]

In the conventional sheet metal drawer 401, if the position of the scaffold of the sheet metal drawer can be easily determined at the time of sheet metal work (it is not difficult to position the scaffold), the sheet metal drawer 401 is used. Although the surface can be smoothed to some extent, the following points have been pointed out when the sheet metal surface is a special part or a special scratch. That is, for example, as shown in FIGS. 30 and 31, when the point P to be drawn, which is a sheet metal surface, is near the press line 310 of the automobile door 300, or when the point Q, which is a sheet metal surface, to be drawn, is End 32 of 300
In the case where it is near 0, the sheet metal drawer 401
The leg portions 491 and 492 are set in the normal state (the leg portions 491 and 492 are fixed to the arm rods 433A and 433B symmetrically and in a well-balanced manner even if the legs 491 and 492 are set and the point to be pulled out is pulled. ), The contact surface member 493 protrudes from the press line 310 and the end 320 (see the positions of the scaffolds shown by the display of the square frames S ₃ and S ₄ in FIG. 31), and Since the scaffolding cannot be firmly secured by the surface member 493 and cannot be pressed down with a substantially uniform force, it is not possible to quickly and reliably perform the drawing operation near the press line 310 or the end 320 [points P or Q to be drawn (FIG. FIG.
In order to pull the sheet metal drawer 4
30 and the positions of the legs 491 and 492 are shifted by 90 degrees from the state shown in FIG. 30, and the thumb screws 496 and 497 are further loosened to temporarily move the positions of the legs 491 and 492 to the left as shown in FIG. The scaffolds of the legs 491 and 492 are positioned, and then the thumb screws 496 and 497 are tightened to fix the contact surface member 4.
It is necessary to reset 93 to a desired position). Further, for example, when the concave portion which is the sheet metal surface is located at the base R of the press line 310 of the automobile door (see FIG. 35), the leg portion of the sheet metal pull-out tool 401 is connected to each of FIGS.
4 to the legs 591 and 592 as shown in FIG.
Even if 91 and 592 ride on the press line 310 (FIG. 3)
5) The root R of the press line 310 cannot be pulled out (this point, the main body and the legs 591 of the drawer 401).
Even if the position of 592 is changed by 90 degrees, one of the legs 591 and 592 is hindered by the root R of the press line 310, so that the root R of the push line 310 cannot be pulled out in the end.); In the case of a line-shaped scratch 360 such as a scratch that lasts for a long time) or a scratch, the position of the scaffold of the leg of the sheet metal pull-out tool 401 is moved and set each time the repair is performed once, and the pull-out operation is performed. It has to be pointed out (see FIGS. 36 and 37) that the drawing operation takes a long time and the working efficiency is poor.

Accordingly, an object of the present invention is to provide a sheet metal which can be used by freely moving to a plurality of points on the sheet metal surface where the operating means is to be rotated and the bit is to be pulled out while the scaffolding is positioned while the place to be pressed is held by the leg. An object of the present invention is to provide a drawer.

[0005] Another object of the present invention is to provide a method for sheet metal work which is usually difficult and time-consuming, such as near a press line (upper portion) or at the base of an automobile body, or at the end of an automobile door. A sheet metal drawer that allows you to freely pull out the points you want to draw while securing the scaffolding without being restricted by the position of the legs of the sheet metal drawer during sheet metal work (without having to worry about positioning the legs). To provide tools.

Another object of the present invention is to minimize the movement of the scaffold once the position of the scaffold is set, even if the drawn-out portion of the sheet metal surface is a long scratch or a linear scratch such as a scratch. It is another object of the present invention to provide a sheet metal pull-out tool which can draw out scratches by continuous work during that time.

It is still another object of the present invention to provide a sheet metal drawer which has a simple structure, has a small number of parts, is lightweight, and is easy to handle.

[0008]

According to a first aspect of the present invention, there is provided a first operating means having a bit weldable to a sheet metal surface, a second operating means for lifting the first operating means, and And a shaft that is supported by the second operating means, supports the first operating means, and is movable integrally with the first operating means. is there.

According to a second aspect of the present invention, there is provided a first operating means having a bit weldable to a sheet metal surface, a second operating means for lifting the first operating means, and a second operating means. A shaft that is pivotally supported by the means and that supports the first operating means and moves integrally with the first operating means, wherein the first operating means is movable about the shaft as a pivot. It is a drawer for sheet metal characterized by the following.

According to a third aspect of the present invention, there is provided a shaft, a first operating means having a bit disposed at a tip end of the shaft and capable of being welded to a sheet metal surface, and raising the first operating means. A second operating means; and a shaft supported by the second operating means and supporting the first operating means and movable integrally with the first operating means. Wherein said operating means is rotatable about said shaft as a pivot.

According to a fourth aspect of the present invention, there is provided a center screw in which the shaft is housed in a hollow portion of a frame formed at a distal end of the second operating means, and rotation of the center screw. The center screw has a through-hole in which a female screw portion into which the screw portion of the shaft is screwed is formed in the center, and the tip screw portion of the short shaft is screwed on both left and right sides. A shaft stop hole provided with a female screw portion to be fitted, wherein the short shaft is passed through a bearing hole formed in a frame of the second operating means, and a tip screw portion is stopped by a shaft stop of the center screw. This is a sheet metal drawer screwed into the hole.

According to a fifth aspect of the present invention, there is provided a shaft, a first operating means provided with a bit disposed at a tip end of the shaft and weldable to a sheet metal surface, and pulling up the first operating means. A second operating means, a shaft supported by the second operating means and supporting the first operating means and movable integrally with the first operating means; And a leg supporting the means, wherein the second operating means includes a main lever, a second lever, and a spring interposed between the main lever and the bit,
A drawer for a sheet metal, wherein a part between the main lever and the second lever is closed while resisting the spring to draw out a sheet metal surface.

According to a sixth aspect of the present invention, the frame is formed at a tip end of a second lever constituting the second operating means, and the shaft is housed in a hollow portion of the frame. It is a drawer for sheet metal.

According to a seventh aspect of the present invention, there is provided a first operating means including a shaft, a bit disposed at a tip portion of the shaft and weldable to a sheet metal surface, and lifting the first operating means. A second operating means, a shaft supported by the second operating means and supporting the first operating means and movable integrally with the first operating means; Legs supporting the means, wherein the shaft is provided with the second
A center screw housed in a hollow portion of a frame formed at the distal end of the operating means, and a short axis serving as a center of rotation of the center screw. A through hole in which a female screw portion to which the screw portion is screwed is provided, and a shaft stop hole in which a female screw portion to which the tip screw portion of the short shaft is screwed is provided on both left and right sides, wherein the short shaft is A second operating means is axially inserted through a bearing hole formed in a frame of the frame, and a tip screw portion is screwed into a shaft locking hole of the center screw.
A sheet metal comprising a second lever and a spring interposed between the main lever and the bit, wherein the main lever and the second lever are pressed against the spring to pull out a sheet metal surface. It is a drawer tool.

The invention according to claim 8 of the present application is a sheet metal drawer in which the main lever and the leg are integrally formed to constitute a main body.

According to a ninth aspect of the present invention, the leg is formed of a leg and a contact surface portion connected to the leg,
A sheet metal drawer in which the contact surface portion is formed in any one of a square frame shape, a round frame shape, and a U-shaped shape.

The invention according to claim 10 of the present application is the sheet metal drawer further comprising a scaffold forming cover formed of an insulating member, surrounding the contact surface of the leg.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A sheet metal drawer according to the present invention comprises:
A first operating means having a bit weldable to a sheet metal surface at a tip end portion of a shaft; a second operating means for lifting the first operating means; and a first operating means pivotally supported by the second operating means. A shaft is provided for supporting the means and movable integrally with the first operating means, and the first operating means rotates about the shaft. Hold the second operating means with one hand, rotate the handle with the other hand to adjust the screwing condition of the threaded part of the shaft and the shaft, and adjust the tip of the bit to the depth of the concave part that needs to be pulled out. Can be lowered. Furthermore, rotate the shaft around the shaft, move it to the point where it needs to be pulled out, weld the tip of the bit, and narrow (narrow) the main lever and the second lever. Become

[0019]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a drawer for sheet metal according to the present invention. (Embodiment 1) FIG. 4 is a perspective view showing a use state of the sheet metal drawer according to the present invention, FIG. 5 is a perspective view showing the sheet metal drawer, and FIG. FIG. 7 is a perspective view showing that the first operating means of the sheet metal drawer is movable around a shaft.
8 is a front view showing that the first operating means of the sheet metal drawer is movable around a shaft, FIG. 9 is a front view of the sheet metal drawer, and FIG. 10 is a side view of the sheet metal drawer. 11 is an AA sectional view of FIG. 10, and FIG. 12 is an exploded perspective view showing each component of the sheet metal drawer.

In these figures, a sheet metal drawer 1A is shown.
The first operation means 10 provided with a bit 19 weldable to the sheet metal surface at the tip end thereof, and the first operation means 10
A second operating means 20 for pulling up the first operating means, a leg 50 supporting the second operating means, and supported by the second operating means 20 to support the first operating means 10. Further, a shaft 70 that is movable (rotated) integrally with the first operation means 10 is provided.

The first operating means 10 includes a shaft 14 and a handle 11 provided at one end of the shaft 14 for turning the shaft.
The bit 19 is disposed at the tip of the. That is, one end 14A of the shaft 14 constituting the first operating means 10 is screwed into a screw hole of a cord connecting portion 12 formed continuously with the handle 11, while the shaft 1
4 is screwed into a screw hole provided at the base end of the bit 19. A screw portion 15 is engraved from one end of the shaft 14 to a substantially central portion. The screw portion 15 is screwed into a through hole 72 of the shaft 70, and the first operating means 10 is connected to the shaft 70. And the shaft body 7
It rotates together with 0. A spring 17 is wound around the tip of the shaft 14. Further, the handle 11A of the handle 11 is coated with an insulating member. Reference numerals 13 and 18 are lock nuts. Reference numeral 16 denotes a slide plate, and the upper end surface of the slide plate 16 is the second plate.
Abuts against the lower end surface of the guide portion 43 of the operating means 20, and one end of the spring 17 is pressed against the lower end surface of the slide plate 16, and in this state, the slide plate 16 moves in the horizontal direction together with the inserted shaft 14. (See FIG. 11).

The second operating means 20 includes a main lever 40, a second lever 60, and a spring 17 interposed between the main lever 40 and the bit 19. Then, the main lever 40 and the leg 5
Numerals 0 are integrally formed to form the main body 30 (see FIG. 12).

The main lever 40 includes a handle 41 formed by coating an insulating member, a rising portion 42 formed from the distal end of the handle 41, and a base end of the rising portion 42. An extended guide portion 43 for guiding the movement of the shaft 14 is provided. This guide 43
, The shaft 14 of the first operating means 10 is inserted, and the guide portion 43
Guides the movement of the shaft 14 when rotating about the shaft. An insertion hole 4 through which a connection pin 66 for connecting the second lever 60 is inserted at the upper center of the rising portion 42.
2A is drilled (see FIGS. 11 and 12).

The leg 50 has two legs 51, 52.
And a square frame-shaped contact surface 53. The leg portion 51 is vertically provided from a base end portion of the rising portion 42,
The other leg 52 is suspended from the outer wall of the guide 43, and the handle 41, the rising portion 42, the guide 43, the legs 51, 52, and the contact surface 53 are integrally formed.
Reference numeral 58 denotes a square frame-shaped scaffold forming cover that surrounds the contact surface portion 53 and also serves as a cushion, and is formed of an insulating member. The contact surface portion 53 and the scaffold forming cover 58 form a scaffold that contacts the sheet metal surface.

The second lever 60 is connected to the handle 4
A handle portion 61 formed by covering an insulating member in the same manner as 1;
A connecting portion 62 formed on the tip side of the handle portion 61;
A frame 67 extending from the connecting portion 62 is provided.
The connecting portion 62 includes a first hollow portion 63 into which the rising portion 42 of the main lever 40 is inserted.
Bearing holes 62A and 62B are formed in both left and right side surfaces of the connecting portion 62 for bearing the connection pins 66 for connecting the main lever 40. The frame 67 is
A second hollow portion 68 for accommodating the shaft 70 is provided. Further, the shaft body 7 is provided on both left and right sides of the frame 67.
Bearing holes 6 for bearing the short shafts 74A and 74B constituting
7A and 67B are drilled. The bearing holes 62A, 6
2B and the bearing holes 67A and 67B are formed in parallel. Reference numerals 64A and 64B are stop rings.

The shaft 70 is connected to the second operating means 20.
The center screw 71 is accommodated in the second hollow portion 68 formed at the tip of the center screw 71, and short shafts 74A and 74B for supporting the center screw 71 are provided. The center screw 71 is provided with a through hole 72 in which a female screw portion into which the screw portion 15 of the shaft 14 is screwed is formed at the center, and the short shafts 74A and 74B are provided on both left and right sides.
Hole 7 in which a female thread to be screwed with the tip thread of the shaft is formed.
3A and 73B. The short axes 74A, 74B
Passes through bearing holes 67A and 67B formed in the frame 67 of the second operating means 20, and the threaded end is screwed into the shaft fixing holes 73A and 73B of the center screw 71 as described above. .

Thus, the main lever 40 and the second lever 60 communicate with each other, and the second lever 60
Are the bearing holes 62A and 62B and the shaft insertion hole 4
It is movable about the connection pin 66 inserted through 2A. Further, the spring 17 is interposed between the main body 30 and the bit 19 in a state where the shaft 14 is wound, and the second lever 60 is constantly pulled downward in FIGS. 5 to 9.

Reference numeral 80 denotes the second lever 6 when the second lever 60 is manually pressed down.
The second lever 60 restricts the second lever 60 from moving downward more than necessary by contacting the lower surface of the second lever 60, and the second lever 60 has the optimal grip width when the second lever 60 contacts the lower surface of the second lever 60. Handles 41 and 61 of the operating means 20
This is a stopper for adjusting the grip width between the two. The stopper 80 has a screw hole 47 provided in the vicinity of the handle 41 of the main lever 40 and a bolt 81 screwed into the screw hole 47, one end of which is in contact with the second lever 60.
(See FIG. 12). With the coil spring 82 wound around the bolt 81, the bolt 81 is screwed into the screw hole 47 of the main lever 40.

The present invention is constructed as described above, and is a sheet metal drawer 1A having a simple structure, a small number of parts, a light weight and easy handling. By combining the sheet metal drawer 1A with a stud welding machine 110, a scaffold can be obtained. Bits can be welded and pulled out continuously even in sheet metal work of a bad press line. In this case, the clamp means 105 of the power cord 100 is attached to the cord connection part 12 of the sheet metal pull-out tool 1A, and the power cord is connected. 100 is used by connecting the other end side to a stud welding machine 110 (see FIG. 4).

(Method of Using Sheet Metal Drawer) Here, referring to FIGS. 13 and 14, a method of using the sheet metal drawer 1A according to the present invention [press line 31 of automobile door 300].
Case of Performing Sheet Metal Near Zero (Drawing Out the Concavity 330)].

[0031] In the sheet metal drawer device 1A according to the present invention, the sheet metal drawer tool scaffolds entire region press line 310 of the position of the scaffold (scaffold S ₁ represented by the display of the rectangular frame S ₁ in FIG. 14 ).
It can be pressed firmly secured substantially uniform force scaffold (in the case of the prior art, a scaffold S ₃ as shown in commonly Figure 31 as described above).

First, the depth of the screwed state of the bolt 81 of the stopper 80 is adjusted to set the grip width optimal for the operator. Next, the user grips the second operating means 20 with one hand and rotates the handle 11 with the other hand (shaft 1).
4) and the female thread formed in the through hole 72 of the shaft 70 by adjusting the screw engagement; see FIG. 6), and lower the tip of the bit 19 to the depth of the concave portion 330 which needs to be pulled out. . Next, press line 3 in FIGS.
When it is desired to pull out the point P near the point 10, the shaft 14 is rotated around the shaft 70 (see FIG. 7).
The tip of the bit 19 is moved to the point P and welded to the point P.
Then, the space between the main lever 40 and the second lever 60 is crushed while resisting the spring 17 (the second lever 60 is pressed down while moving against the spring 17), and the point P is slowly pulled up. After confirming that the sheet metal surface has been smoothed, the handle 11 is rotated (see FIG. 6), and the welding between the tip of the bit and the sheet metal surface is released. Furthermore, even if the scaffold remains as it is, the shaft 14 can be moved around the shaft 70, and the handle 11 can be moved to another point while rotating, and the same operation as described above can be performed. It is possible to withdraw points.

Further, even when performing sheet metal around the end portion 320 of the motor vehicle door 300 (drawer recess 340), scaffold sheet metal drawer device 1A is the position of the scaffold shown in the display of the square frame _{S 2} in FIG. 14 ( since the entire area of the scaffold S ₂ rides in the vicinity of the end portion 320) can be secured, if that can be pressed in firmly secured substantially uniform force scaffolding (prior art, as already described the scaffolding _{S 4} as shown in commonly Figure 31).

(Embodiment 2) In the above description, the contact surface portion of the leg and the insulating member are formed in a rectangular frame shape. However, as shown in FIGS. 15 to 17, the contact surface portion of the sheet metal drawer 1B is shown. 153 may be formed in a round frame shape, and the scaffold formation cover 158 formed of an insulating member may also be formed in a round frame shape. According to this embodiment, when repairing a round concave wound, the sheet metal surface can be quickly smoothed while applying a uniform force to the scaffold. 15 to FIG.
The same reference numerals indicate the same members.

(Embodiment 3) Further, as shown in FIGS. 18 to 23, one leg 252 of the leg 250 of the sheet metal drawer 1C is branched from the middle, and the contact surface 253 is formed in a U-shape. Then, the scaffold forming cover 258 formed of an insulating member may be similarly formed in a U-shape. In this embodiment, since the contact surface portion 253 and the scaffold formation cover 258 are formed in a U-shape, even when the vicinity of the press line 310 is pulled out, the draw-out portion 254 is pulled out to the vicinity of the U-shaped notch (opening) 254. Becomes possible. In addition, when this leg 250 is used, the root R of the press line 310 can be easily pulled out as shown in FIG. 23, and a line such as a long groove or a scratch as shown in FIGS. Even when the wound 360 is repaired, the movement of the scaffold of the leg is minimized (in the case of a line-shaped wound of the degree shown in FIGS. 24 and 25, the movement of the scaffold is performed twice only by moving the scaffold twice. In this case, it is possible to draw out a linear scratch by continuous work. 18 to 26, the same reference numerals as those in the first embodiment denote the same members.

[0036]

The present invention is configured as described above, and has the following effects according to the present invention. A sheet metal drawer that can be used by rotating the operating means and freely moving to a plurality of points on the sheet metal surface where the bit is desired to be pulled out while the scaffolding is positioned with the leg holding the place to be pressed is obtained. Restrictions on the position of the legs during sheet metal work, even in areas where sheet metal work is difficult and time-consuming, such as near the press line formed on the car body (upper part) or at the base, or at the end of a car door Thus, a sheet metal drawer that can freely pull out a point to be drawn out while securely securing the scaffold without being performed (without bothering the positioning of the legs) can be obtained. Even if the draw-out point on the sheet metal surface is long, such as a groove flaw (a flaw where the concave part continues at an acute angle) or a scratch, once the position of the scaffold is set once, the movement of the scaffold is minimized and continuous during that time It is possible to draw out scratches due to the work, and it is possible to obtain a sheet metal drawer capable of shortening the work time and performing efficient sheet metal work. A sheet metal drawer having a simple structure, a small number of parts, light weight, and easy handling can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a sheet metal portion generated near a press line or an end of an automobile door.

FIG. 2 is a perspective view showing a sheet metal portion generated at the base of a press line of an automobile door.

FIG. 3 is a perspective view showing a line-shaped scratch generated on an automobile door.

FIG. 4 is a perspective view showing a use state of the sheet metal drawer according to the present invention.

FIG. 5 is a perspective view showing a sheet metal drawer.

FIG. 6 is a perspective view showing that the handle of the sheet metal drawer is movable (rotated).

FIG. 7 is a perspective view showing that the first operating means of the sheet metal drawer is movable around a shaft as a pivot.

FIG. 8 is a front view showing that the first operating means of the sheet metal drawer is movable around a shaft as a pivot.

FIG. 9 is a front view of the sheet metal drawer.

FIG. 10 is a side view of the sheet metal drawer.

FIG. 11 is a sectional view taken along line XX of FIG. 10;

FIG. 12 is an exploded perspective view showing each component of the sheet metal drawer.

FIG. 13 is a front view of the sheet metal drawer showing a state in which the sheet metal surface near the press line of the automobile door is being drawn.

FIG. 14 is a perspective view showing positions of scaffolds S ₁ and S _{2 that} can be taken by a sheet metal drawer when sheet metal is formed on a recess formed in an automobile door.

FIG. 15 is a perspective view showing a use state of another embodiment of the sheet metal drawer.

16 is a perspective view showing that the handle of the sheet metal drawer shown in FIG. 15 is movable (rotated).

FIG. 17 is a perspective view showing that the first operating means of the sheet metal drawer shown in FIG. 15 is movable around a shaft as a pivot.

FIG. 18 is a perspective view showing a use state of another embodiment of the sheet metal drawer.

19 is a perspective view showing that the handle of the sheet metal drawer shown in FIG. 18 is movable (rotated).

FIG. 20 is a perspective view showing that the first operating means of the sheet metal drawer shown in FIG. 18 is movable around a shaft as a pivot.

FIG. 21 is a front view showing that the first operating means of the sheet metal drawer shown in FIG. 18 is movable about a shaft as a pivot.

FIG. 22 is an exploded perspective view showing each component of the sheet metal drawer shown in FIG.

FIG. 23 is a front view showing a state in which a sheet metal surface generated at the base of a press line of an automobile door is drawn using the sheet metal drawer shown in FIG. 18;

24 is a perspective view showing a state in which a linear scratch on an automobile door is being pulled out while moving the first operating means with the shaft as a pivot using the sheet metal drawer shown in FIG. 18;

25 shows a state in which a linear scratch on an automobile door is being pulled out while moving the first operating means with the shaft as a pivot using the sheet metal drawer shown in FIG. 18, and from the state shown in FIG. It is a perspective view showing the state where a scaffold was moved.

26 is a side view showing a state in which a linear scratch on an automobile door is being pulled out while moving the first operating means with the shaft as a pivot using the sheet metal drawer shown in FIG. 18;

FIG. 27 is a perspective view showing a conventional sheet metal drawer.

FIG. 28 is a side view of the conventional sheet metal drawer shown in FIG.

FIG. 29 is a schematic front view of the conventional sheet metal drawer shown in FIG. 27.

FIG. 30 is a front view showing a state in which the sheet metal drawer shown in FIG. 29 is cut out of a YY portion and a sheet metal surface near a press line of an automobile door is drawn out.

FIG. 31 is a perspective view showing positions of scaffolds S ₃ and S ₄ that a sheet metal drawer can take when sheet metal is formed on a concave portion formed in an automobile door.

32 is a front view showing a state in which the positions of the main body and the legs of the sheet metal drawer are shifted by 90 degrees from the state of FIG. 30, and the sheet metal surface near the press line of the automobile door is drawn out.

FIG. 33 is a perspective view showing another example of a leg used for a conventional sheet metal drawer.

FIG. 34 is a front view showing an example of a conventional sheet metal drawer to which the leg shown in FIG. 34 is attached.

35 is a front view showing a state in which the ZZ portion of the sheet metal drawer shown in FIG. 34 is notched, and a sheet metal surface generated at the base of a press line of an automobile door is to be drawn.

FIG. 36 is a side view showing a state in which a linear scratch on an automobile door is pulled out using a conventional sheet metal drawer.

FIG. 37 is a side view showing a state in which a linear scratch on an automobile door is pulled out while changing the position of a scaffold of a leg portion of the sheet metal drawer using a conventional sheet metal drawer.

[Explanation of symbols]

 1A Sheet Metal Drawer 1B Sheet Metal Drawer 1C Sheet Metal Drawer 10 First Operating Means 11 Handle 14 Shaft 15 Screw 17 Spring 19 Bit 20 Second Operating Means 30 Main Body 40 Main Lever 50 Leg 51 Leg 52 Leg portion 53 Contact surface portion 58 Scaffold formation cover 60 Second lever 61 Handle portion 62 Connecting portion 63 First hollow portion 67 Frame 67A Bearing hole 67B Bearing hole 68 Second hollow portion 70 Shaft 71 Center screw 72 Through hole 73A Shaft stop hole 73B Shaft stop hole 74A Short shaft 74B Short shaft 80 Stopper 153 Contact surface 158 Scaffold formation cover 251 Leg 252 Leg 253 Contact surface 258 Cover for scaffold formation

Claims (10)

[Claims] A first operating means having a bit weldable to a sheet metal surface; a second operating means for lifting the first operating means; and a second operating means pivotally supported by the second operating means. A drawer for a sheet metal, comprising: a shaft supporting the first operation means and movable integrally with the first operation means. 2. A first operating means having a bit weldable to a sheet metal surface, a second operating means for lifting the first operating means, and a second operating means pivotally supported by the second operating means. A drawer for a sheet metal, comprising: a shaft supporting the first operation means and movable integrally with the first operation means, wherein the first operation means is movable about the shaft as a pivot. . 3. A first operating means having a shaft, a bit disposed at a tip end of the shaft and weldable to a sheet metal surface, a second operating means for lifting the first operating means, A shaft that is rotatably supported by the second operating means, supports the first operating means, and is movable integrally with the first operating means; A drawer for sheet metal, wherein the drawer is configured to be rotatable as a pivot. 4. A center screw housed in a hollow portion of a frame formed at a distal end of the second operating means, and a short axis serving as a center of rotation of the center screw. The center screw has a through hole in the center of which a female screw portion screwed with the screw portion of the shaft is screwed, and a female screw portion with which the tip screw portion of the short shaft is screwed in both left and right sides. Wherein the short shaft passes through a bearing hole drilled in a frame of the second operating means, and a tip screw portion is screwed into the shaft screw hole of the center screw. Item 5. The sheet metal drawer according to Item 3. 5. A first operating means having a shaft, a bit disposed at a tip portion of the shaft and weldable to a sheet metal surface, a second operating means for lifting the first operating means, A shaft that is pivotally supported by the second operating means, supports the first operating means, and moves integrally with the first operating means; and a leg that supports the second operating means. The second operating means comprises a main lever, a second lever, and a spring interposed between the main lever and the bit, and the second operating means opposes the spring between the main lever and the second lever. A drawer for sheet metal, wherein the drawer pulls out the sheet metal surface while pulling it down. 6. The sheet metal according to claim 5, wherein said frame is formed at a tip end side of a second lever constituting said second operating means, and said shaft is accommodated in a hollow portion of said frame. Drawer. 7. A first operating means having a shaft, a bit disposed at a tip end of the shaft and weldable to a sheet metal surface, a second operating means for pulling up the first operating means, A shaft that is pivotally supported by the second operating means, supports the first operating means, and moves integrally with the first operating means; and a leg that supports the second operating means. The shaft body comprises: a center screw housed in a hollow portion of a frame formed at a distal end of the second operating means; and a short axis serving as a center of rotation of the center screw. The center screw has a through hole in the center of which is formed a female screw portion with which the screw portion of the shaft is screwed, and a shaft in which a female screw portion with which the tip screw portion of the short shaft is screwed is formed on both left and right sides. A stop hole, wherein the short axis is formed in a frame of the second operating means. The center screw is screwed into the shaft fixing hole of the center screw, and the second operating means is interposed between the main lever, the second lever, and the main lever and the bit. A drawer for a sheet metal, wherein the drawer is configured to include a spring and to draw out a sheet metal surface by pressing down between the main lever and the second lever against the spring. 8. The sheet metal drawer according to claim 6, wherein the main lever and the leg are integrally formed to form a main body. 9. The leg body is formed of a leg portion and a contact surface portion connected to the leg portion, wherein the contact surface portion has a square frame shape, a round frame shape,
The sheet metal drawer according to claim 8, wherein the tool is formed in any one of a U-shape. 10. The sheet metal pull-out tool according to claim 9, further comprising a scaffold forming cover formed of an insulating member, surrounding the contact surface of the leg.