JP2011156554A - Butt-positioning device of plates - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a butt-positioning device of plates, which can butt and position the butting faces of the plates each other, and further does not damage the plates. <P>SOLUTION: A first plate W1 is held between a first attraction member 21 made of a first electromagnet and a first pressing member 41 made of magnetic material and is moved, the butting face of the first plate W1 is butted against a positioning reference member 14, and the first clamp member 60 is pressed to the first plate W1 so as to be fixed. After the positioning reference member 14 is retreated, a second plate W2 is held between a second attraction member 21' made of a second electromagnet and a second pressing member 41' made of magnetic material and is moved, and the butting face of the second plate W2 is butted against the butting face of the first plate W1 which has been positioned and fixed, and positioned, and the second clamp member 60' is pressed to the second plate W2 and fixed. The first and second attraction members 21, 21' made of electromagnets and the first and second pressing members 41, 41' made of magnetic materials can be rotated around each central axis thereof. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a plate material butt positioning device. Specifically, for example, when manufacturing a tailored blank material, the butt surfaces of the metal plate materials are butt-matched when the metal plate materials are butt welded. The present invention relates to a butt positioning apparatus for a plate material.

When this type of tailored blank material is manufactured, it is necessary to position both end surfaces so that the both end surfaces, which are the butting surfaces of the plate materials, are in close contact with each other without a gap.
Conventionally, as described in Patent Document 1 (see FIG. 9), one plate member is pressed against a positioning pin by a pusher and then clamped and fixed, and the abutting surface of the fixed one plate member In addition, there is known a method for positioning and matching a plate material in which the abutting surface of the other plate material is pressed by a pusher and then clamped and fixed.

Japanese Patent Laying-Open No. 2007-21534 (see FIG. 9)

When butt welding a plate material, the presence or absence of a gap between the butt surfaces of the plate material greatly affects the quality of welding.
However, just by pressing one plate material mechanically against a positioning pin with a pusher as in the conventional method for positioning and matching a plate material described in Patent Document 1 above, the butted surfaces of the plate material are butted together without any gaps. That is not always easy.
Further, since the plate material is positioned by the pusher, there is a problem in that a dent and scratch is generated in a portion pressed by the pusher.

  Then, this invention makes it a subject to provide the board | substrate butt positioning apparatus which can butt | match and fix the abutting surfaces of board | plate materials without gap, and does not damage a board | plate material.

  That is, the present invention is (1) a plate-positioning and positioning device for positioning and fixing abutting surfaces of plate materials to each other, and a pair of plate materials having mounting surfaces for placing the vicinity of each abutting surface of the plate material Adsorption having a cradle, a positioning reference member against which the abutment surface of the plate material is abutted, and an electromagnet adsorbing member arranged in the vicinity of the pair of plate material cradles and supporting the plate material from below and moving in the horizontal direction A holding unit made of a magnetic material that moves in the horizontal direction by being attracted together with the plate by the magnetic force of the adsorption member made of an electromagnet disposed above the suction unit; A holding unit having a holding unit, a supporting unit that supports the holding unit so as to be movable up and down, and is movable in a horizontal direction; A clamp member that clamps and fixes the plate member between the mounting surfaces, and the electromagnet attracting member and the magnetic material pressing member are each rotatable about a central axis thereof. It exists in the board | substrate butt positioning apparatus which is.

  In addition, the present invention provides: (2) The plate material according to (1), wherein the attracting member made of electromagnet and the pressing member made of magnetic material are movable in the horizontal direction with their central axes kept vertical. Exists in the butt positioning device.

  Further, the present invention resides in (3) the plate material butt positioning apparatus according to the above (1) or (2), wherein the positioning reference member can freely move in and out of the mounting surface.

  Moreover, this invention exists in the butt | matching positioning apparatus of the board | plate material as described in said (1), (2) or (3) arrange | positioned under the said adsorption | suction unit (4) and the said moving means.

  Further, the present invention provides the plate material butt positioning apparatus according to any one of the above (1) to (4), wherein the support means is disposed above the pressing unit. Exist.

  Further, the present invention provides the plate material butt positioning apparatus according to any one of (1) to (5), wherein the moving unit and the supporting unit include an air cylinder as a drive source. Exist.

  In the present invention, (7) is the above (1) to (6), wherein the pair of plate material cradles are arranged at two positions with a predetermined interval in the horizontal movement direction of the suction unit. ) Exists in the board | substrate butting | positioning positioning apparatus as described in any one of 1).

  In addition, as long as the objective of this invention is followed, the structure which combined said (1)-(7) suitably can also be employ | adopted naturally.

The present invention has the following effects.
Since the electromagnet attracting member and the magnetic material pressing member are rotatable about their central axes, the plate member is tilted and held between the electromagnet attracting member and the magnetic material pressing member. Even if it is done, it can be rotated so as to eliminate the inclination of the plate material at the time of abutment of the plate material, and the butted surfaces of the plate material can be abutted and fixed without any gap.
When the electromagnet adsorbing member and the magnetic material pressing member rotate so as to eliminate the inclination of the plate material when the plate material is abutted, the magnetic material can be rotated without sliding the adsorbing surface. It will not damage the board.
In addition, the inclination of the said board | plate material mentioned above means the inclination of the butt | matching surface of a board | plate material with respect to the welding line which welds the butt | matching part of a board | plate material.

  The attracting member made of electromagnet and the pressing member made of magnetic material can move in the horizontal direction with the center axis line being vertical, respectively, so that the inclination of the plate material can be eliminated more smoothly when the plate material is abutted. Can do.

  The magnetic material pressing member is attracted together with the plate material by the magnetic force of the electromagnet adsorption member, and the electromagnet adsorption member and the magnetic material pressure member sandwich the plate material. Even when the thickness is thin, a sufficient clamping force can be obtained by the magnetic force of the electromagnet attracting member.

  Since the moving means is disposed below the adsorption unit, space can be used effectively.

  Since the support means is disposed above the pressing unit, space can be used effectively.

  Since the moving means and the support means have an air cylinder as a drive source, the movement means and the support means are easy to operate.

  Since the pair of plate material cradles are arranged at two positions at a predetermined interval in the horizontal movement direction of the suction unit, the butt surfaces of the three plate materials can be butt-positioned.

FIG. 1 is a front view of a plate material butt positioning apparatus according to an embodiment of the present invention. FIG. 2 is an explanatory view of a pressing unit in the plate material butt positioning apparatus shown in FIG. FIG. 3 is an explanatory view of the suction unit and the moving means for moving the suction unit in the horizontal direction in the plate material butt positioning apparatus shown in FIG. FIG. 4 is a front view showing a state in which the butted surface of the first plate member in the plate material butting positioning apparatus shown in FIG. FIG. 5 is a front view showing a state in which one abutting surface of the second plate member is abutted against the abutting surface in a state where the first plate member is positioned and fixed in the plate material abutting positioning device shown in FIG. 1. FIG. 6 is a front view showing a state in which the butted surface of the third plate member is butted against the other butted surface of the second plate member positioned and fixed in the plate-butting and positioning device shown in FIG. 1.

  Hereinafter, a plate material butt positioning apparatus according to an embodiment of the present invention applied to a laser welding apparatus that butt welds each butt surface of three plate materials will be described in detail with reference to the drawings.

  The plate material abutment positioning device 10 is a plate material abutment positioning device that abuts and fixes the abutment surfaces of the three first, second, and third plate materials W1, W2, and W3.

  As shown in FIG. 1, the plate material abutting and positioning device 10 includes a first and second support bases 11 and 11 ′, a first and second pair of plate bases 12 and 12 ′, and a positioning reference member 14. (See FIG. 4), a plate material holding table 15, first, second and third suction units 20, 20 ′, 20 ″ and first, second, third moving means 30, 30 ′, 30 ", First, second and third pressing units 40, 40 ', 40", first, second and third support means 50, 50', 50 ", first, second and second 3 clamp members 60, 60 ', 60 ".

As shown in FIG. 1, the first support base 11 and the second support base 11 ′ are arranged at a predetermined interval in the left-right direction, and the first support base 11 and the second support base 11 ′ The lower end is attached to the lower frame 1 of the laser welding apparatus with a bolt 13.
Moreover, the attachment position to the lower frame 1 of the lower end of these 1st support stand 11 and 2nd support stand 11 'is adjustable.

Each of the first pair of plate bases 12 is formed of a long member having a substantially rectangular cross section and long in the front-rear direction (perpendicular to the plane of the drawing in FIG. 1). It has the 1st mounting surface 12a which mounts the vicinity of each abutting surface of board | plate material W1, W2.
And this 1st pair of board | plate material stand 12 is attached to the upper part of the 1st support stand 11 so that the clearance gap S1 may be formed slightly between the end surfaces which oppose a longitudinal direction.

Each of the second pair of plate material pedestals 12 ′ has a substantially rectangular cross section and is constituted by a long member extending in the front-rear direction (perpendicular to the paper surface in FIG. 1). The plate member W2 has a second placement surface 12'a for placing the vicinity of each butting surface of the plate members W2, W3.
And this 2nd pair of board | plate material receiving stand 12 'is attached to the upper part of 2nd support stand 11' so that the clearance gap S2 may be formed slightly between the end surfaces which oppose a longitudinal direction.

Further, as described above, the first support base 11 and the second support base 11 ′ are arranged at a predetermined interval in the left-right direction.
Therefore, the first pair of plate bases 12 and the second pair of plate bases 12 ′ attached to the upper portions of the first support base 11 and the second support base 11 ′ are also arranged in the left-right direction. They are arranged at a predetermined interval.
In FIG. 1, the gap S1 between the longitudinally opposed end surfaces of the first pair of plate material stands 12 located on the left side and the longitudinal direction of the second pair of plate material stands 12 ′ located on the right side. The space | interval with clearance gap S2 between the opposing end surfaces is set so that it may become equal to the length of the left-right direction of the 2nd board | plate material W2, so that it may mention later regarding FIG.

The positioning reference member 14 (see FIG. 4) has two locations in the direction perpendicular to the paper surface in the vicinity of the gap S1 between the longitudinally opposed end surfaces of the first pair of plate material bases 12 positioned on the left side in FIG. (However, only one is shown in FIG. 4).
The positioning reference member 14 is fixed to the tip of a rod of a driving air cylinder (not shown), and is driven by the driving air cylinder so that the tip of the positioning reference member 14 protrudes from the first placement surface 12a. It is possible to move in and out of a state (see FIG. 4) and a state of retreating from the first placement surface 12a.
A driving air cylinder (not shown) that drives the positioning reference member 14 is attached to the first support base 11.
And when the front-end | tip of this positioning reference | standard member 14 protrudes from the 1st mounting surface 12a (refer FIG. 4), the butting surface of the 1st board | plate material W1 is abutted by the positioning reference | standard member 14, and is 1st. Positioning of the plate material W1 is performed.

  Further, a plate material holding table 15 is arranged on the left side of the first support table 11 located on the left side in FIG. 1, and a plate material holding table 15 is arranged on the right side of the second support table 11 ′ located on the right side in FIG. The lower ends of these plate material holding bases 15 are also attached to the lower frame 1 of the laser welding apparatus by bolts 13.

  Then, the first mounting surface 12a of the first pair of plate material receiving bases 12, the second mounting surface 12'a of the second pair of plate material receiving bases 12 ', the upper surface of each plate material holding table 15, and The upper surfaces of the first, second, and third electromagnet attracting members 21, 21 ′, 21 ″, which will be described later, are arranged so as to be located in the same plane.

  As shown in FIG. 1, the first suction unit 20 is disposed in the vicinity of the left side of the first pair of plate material holders 12, and the second suction unit 20 ′ includes the first pair of plate material holders 12 and the second pair. The third suction unit 20 ″ is disposed in the vicinity of the right side of the second pair of plate material holders 12 ′.

  Next, the first, second and third suction units 20, 20 ', 20 "will be described.

  As shown in FIG. 3, the first, second, and third suction units 20, 20 ′, and 20 ″ include first, second, and third electromagnet suction members 21, 21, ′, and 21 ″, respectively. , Plate 22, sliding plate 23, plate 24, stepped central block 25, spring plunger support block 26, and spring plunger 27.

  Since the first, second, and third suction units 20, 20 ', and 20 "have basically the same structure, the first suction unit 20 will be described below as an example.

As shown in FIG. 3, the first electromagnet attracting member 21 is formed of a cylindrical body.
Below the first electromagnet attracting member 21, a plate 22, a sliding plate 23 and a plate 24 each having a central hole are arranged.
The small diameter portion of the stepped central block 25 is inserted into the center hole of the plate 22, the sliding plate 23, and the plate 24, and the first electromagnet attracting member 21 is fixed by the fixing bolt 28 penetrating the stepped central block 25. It is attached to the bottom surface.
Therefore, the first electromagnet attracting member 21 and the plate 22 can rotate around the central axis by sliding on the upper surface or the lower surface of the sliding plate 23.

A spring plunger support block 26 having a center hole is disposed below the plate 24, and is disposed between the inner peripheral surface of the center hole of the spring plunger support block 26 and the outer peripheral surface of the large-diameter portion of the stepped central block 25. A gap is formed.
Further, eight spring plungers 27 (only two are shown in FIG. 3) are screwed radially into the spring plunger support block 26 in the radial direction.
The tip ends of the eight spring plungers 27 are urged and abutted by springs built in the outer peripheral surface of the large-diameter portion of the stepped central block 25.
Therefore, the first electromagnet attracting member 21 can move slightly within the gap in the horizontal direction with its center axis kept vertical against the biasing force of the spring.
Further, the spring plunger support block 26 is attached to one L-shaped link 32 of the first moving means 30 described later by a mounting bolt 29.

  Next, the first, second and third moving means 30, 30 'and 30 "will be described.

  As shown in FIG. 3, the first, second and third moving means 30, 30 ′ and 30 ″ move the first, second and third suction units 20, 20 ′ and 20 ″ in the horizontal direction ( Some reciprocate horizontally.

  The first, second, and third moving means 30, 30 ′, and 30 ″ include first, second, and third air cylinders 31, 31 ′, and 31 ″, one L-shaped link 32, and the other. The L-shaped link 33, the slider 34, the rail 35, the mounting plate 36, the bracket 37, and the joint 38 are provided.

  Since the first, second, and third moving means 30, 30 ', and 30' 'have basically the same structure, the first moving means 30 will be described below as an example.

As shown in FIG. 3, a slider 34 is attached below one L-shaped link 32, and a rail 35 for guiding the slider 34 is arranged below the slider 34. This rail 35 is attached to a mounting plate 36. It has been.
The attachment plate 36 is attached to the first support base 11.

A first air cylinder 31 is attached below the attachment plate 36 via a bracket 37.
The tip of the rod 31a of the first air cylinder is connected to the other L-shaped link 33 via a joint 38.
Moreover, the front-end | tip part of the rising part of one L-shaped link 32 and the other L-shaped link 33 is connected with the volt | bolt.
Then, by driving the first air cylinder 31, the tip of the rod 31a of the first air cylinder reciprocates left and right.
This reciprocation is transmitted as reciprocation of the slider 34 by one L-shaped link 32 and the other L-shaped link 33, and the first suction unit 20 reciprocates in the horizontal direction (left-right direction).

  Next, the first, second, and third pressing units 40, 40 ', and 40 "will be described.

  As shown in FIG. 1, the first, second, and third holding units 40, 40 ′, and 40 ″ are located above the first, second, and third suction units 20, 20 ′, and 20 ″, respectively. It is arranged and supported on the upper frame 2 of the laser welding apparatus by first, second and third support means 50, 50 ', 50 ".

  As shown in FIG. 2, the first, second, and third pressing units 40, 40 ′, and 40 ″ are respectively pressed members 41, 41 ′, and 41 ″ made of first, second, and third magnetic materials. A sliding plate 42, a plate 43, a stepped central block 44, a spring plunger support block 45, a spring plunger 46, a fixing bolt 47, a cylinder rod mounting plate 48, and a mounting bolt 49. .

  Since the first, second, and third pressing units 40, 40 ', and 40' 'have basically the same structure, the first pressing unit 40 will be described below as an example.

As shown in FIG. 2, the first magnetic material pressing member 41 is formed in a relatively thick disk shape.
Above the first magnetic material pressing member 41, a sliding plate 42 and a plate 43 each having a central hole are arranged.
Then, the small diameter portion of the stepped central block 44 is inserted into the center hole of the slide plate 42 and the plate 43, and the fixing bolt 47 penetrating the stepped central block 44 is attached to the upper surface of the pressing member 41 made of the first magnetic material. It is attached.
Therefore, the pressing member 41 made of the first magnetic material can rotate around its central axis by sliding on the lower surface or the upper surface of the sliding plate 43.

Further, a spring plunger support block 45 having a center hole is disposed above the plate 43, and between the inner peripheral surface of the center hole of the spring plunger support block 45 and the outer peripheral surface of the large diameter portion of the stepped center block 44. A gap is formed.
Further, eight spring plungers 46 (only two are shown in FIG. 2) are screwed radially into the spring plunger support block 45 in the radial direction.
The tip portions of the eight spring plungers 46 are urged by and abut on the outer peripheral surface of the large-diameter portion of the stepped central block 44.
Therefore, the pressing member 41 made of the first magnetic material can be moved slightly within the gap in the horizontal direction with its center axis kept vertical against the biasing force of the spring.
The spring plunger support holding block 45 is attached to the cylinder rod attachment plate 48 by attachment bolts 49.

  Next, the first, second, and third support means 50, 50 ', and 50 "will be described.

  As shown in FIG. 1, the first, second, and third support means 50, 50 ′, and 50 ″ can raise and lower the first, second, and third holding units 40, 40 ′, and 40 ″, respectively. It is supported so as to be movable in the horizontal direction.

  The first and third support means 50, 50 ″ include first and third air cylinders 51, 51 ″, rods 51a, 51 ″ a of the first and third air cylinders, and a cylinder mounting plate, respectively. 52, a return spring 53, a slider 54, a rail 55, a rail mounting plate 56, and a return spring support member 57.

  Since the first and third support means 50, 50 "basically have the same structure, the first support means 50 will be described below as an example.

The tip (lower end) of the rod 51 a of the first air cylinder is attached to the upper part of the first pressing unit 40.
The upper part of the first air cylinder 51 is attached to the lower surface of the cylinder mounting plate 52.
One end of a return spring 53 is attached below the cylinder mounting plate 52, and the other end of the return spring 53 is supported on the upper frame 2 of the laser welding apparatus via a return spring support member 57 and a rail attachment plate 56. Has been.
A slider 54 is attached to the upper surface of the cylinder mounting plate 52.
A rail 55 for guiding the slider 54 in the left-right direction is disposed on the upper portion of the slider 54, and this rail 55 is attached to the upper frame 2 of the laser welding apparatus via a rail attachment plate 56.

Therefore, the first pressing unit 40 moves up and down by driving the first air cylinder 51.
The first pressing unit 40 can move in the horizontal direction (left and right direction) together with the first air cylinder 51 by moving the slider 54 in the horizontal direction (left and right direction) along the rail 55.

  Next, the second support means 50 'will be described.

  The second support means 50 'includes a second air cylinder 51', a second air cylinder rod 51'a, a cylinder mounting plate 52 ', a return spring 53', a slider 54 ', a return A spring holding round bar 58 ′ and a second support means mounting plate 59 ′ are provided.

The distal end (lower end) of the rod 51′a of the second air cylinder 51 ′ is attached to the upper part of the second pressing unit 40 ′.
The upper part of the second air cylinder 51 'is attached to the lower surface of the cylinder mounting plate 52'.
A return spring holding round bar 58 'is disposed above the cylinder mounting plate 52', and a return spring 53 'is fitted on the outer peripheral surface of the return spring holding round bar 58'.
A slider 54 'is attached to the upper surface of the cylinder mounting plate 52'. The slider 54 'is movable in the horizontal direction (left-right direction) with respect to the return spring holding round bar 58'. It is fitted on the outer periphery.
Further, a bracket attached to one end side of the cylinder mounting plate 52 ′ is fitted into one end side of the return spring holding round bar 58 ′.
Therefore, the cylinder mounting plate 52 ′ can move to the left with respect to the return spring holding round bar 58 ′ against the urging force of the return spring 53 ′.
Further, the return spring holding round bar 58 'is supported by the upper frame 2 of the laser welding apparatus via the second support means mounting plate 59'.

Accordingly, the second pressing unit 40 ′ moves up and down by driving the second air cylinder 51 ′.
Further, the second holding unit 40 ′ moves the second direction by moving the cylinder mounting plate 52 ′ to the left along the return spring holding round bar 58 ′ against the urging force of the return spring 53 ′. The air cylinder 51 'can move leftward.

  Next, the first, second, and third clamp members 60, 60 ', 60 "will be described.

  Each of the first, second, and third clamp members 60, 60 ′, and 60 ″ has a substantially trapezoidal cross section and is formed of a long member that is long in the front-rear direction (perpendicular to the paper surface in FIG. 1). The length is formed substantially equal to the length of the first and second pair of plate material pedestals 12, 12 ′ described above.

The first and third clamp members 60, 60 ″ are supported by the upper frame 2 of the laser welding apparatus via a link (not shown), and are moved up and down by the operation of the link (not shown).
The second clamp member 60 'is supported on the upper frame 2 of the laser welding apparatus via an air cylinder (not shown), and is moved up and down by the operation of the air cylinder (not shown).

  The first, second, and third clamp members 60, 60 ′, and 60 ″ are, as shown in FIGS. 4, 5, and 6, the first, second, and third plate members W1 positioned at predetermined positions. , W2 and W3 are pressed and clamped to the first and second mounting surfaces 12a and 12'a.

  Next, the operation of the plate butt positioning apparatus 10 according to the embodiment of the present invention will be described with reference to FIGS.

As shown in FIG. 4, the 1st, 2nd, 3rd board | plate material W1, W2, W3 is conveyed on a 1st, 2nd pair of board | plate receiving stand 12,12 'by the conveyance means which is not shown in figure.
At this time, the positioning reference member 14 is in a state of protruding from the first placement surface 12a.

  Next, each of the first, second, and third plate members W1, W2, and W3 conveyed on the first and second pair of plate member pedestals 12 and 12 'is a sheet surface by a positioning pin (not shown) and a pusher (not shown). Positioning in the direction perpendicular to is performed.

Next, the first air cylinder 51 is driven until the lower surface of the first magnetic material pressing member 41 comes into contact with the upper surface of the first plate W1.
Thereafter, when the air from the first air cylinder 51 is removed, the lower surface of the first magnetic material pressing member 41 is in contact with the upper surface of the first plate member W1 due to the weight of the first pressing unit 40. .
The first magnetic material pressing member 41 is attracted together with the first plate material W1 by the magnetic force of the first electromagnet attracting member 21, and the first plate material W1 is the first magnetic material pressing member 41. And the first electromagnet attracting member 21.

Next, the first air cylinder 31 of the first moving means 30 in a state where the first plate member W1 is sandwiched between the pressing member 41 made of the first magnetic material and the adsorption member 21 made of the first electromagnet. , And the first electromagnet attracting member 21 is moved along the rail 35 to the horizontal (left and right) right side (right side in FIG. 4).
Then, since the first plate member W1 is sandwiched between the first magnetic material pressing member 41 and the first electromagnet attracting member 21, the movement of the first electromagnet attracting member 21 follows. The first magnetic material pressing member 41 also moves along the rail 55 in the horizontal direction (left-right direction) to the right side (right side in FIG. 4).
Then, the first air cylinder 31 moves the first plate material W1 until the butting surface of the first plate material W1 hits the positioning reference member 14.

When the butting surface of the first plate material W1 hits the positioning reference member 14, the movement of the first plate material W1 in the right direction is stopped.
Thus, the first plate material W1 is positioned at a predetermined position.
Next, the first clamp member 60 is lowered, and the first plate member W1 is pressed against the first placement surface 12a by the first clamp member 60 and clamped and fixed.

Next, as shown in FIG. 5, the first air cylinder 31 of the first moving means 30 is driven, and the first electromagnet attracting member 21 is left along the rail 35 in the horizontal direction (left-right direction). (To the left in FIG. 5) and return to the original position.
Further, when the first air cylinder 51 of the first support means 50 is driven to raise the first pressing unit 40, the first magnetic material pressing member 41 also moves from the surface of the first plate material W1. Rise away.
At the same time, the pressing member 41 made of the first magnetic material is also returned to the original position together with the first air cylinder 51 by the urging force of the return spring 53.
Next, the positioning reference member 14 is retracted to a position where the positioning reference member 14 does not protrude from the first placement surface 12a.

Next, the second air cylinder 51 ′ is driven until the lower surface of the pressing member 41 ′ made of the second magnetic material comes into contact with the upper surface of the second plate member W2.
Thereafter, when the air of the second air cylinder 51 ′ is removed, the lower surface of the second magnetic material pressing member 41 ′ is in contact with the upper surface of the second plate member W2 due to the weight of the second pressing unit 40 ′. become.
The second magnetic material pressing member 41 ′ is attracted together with the second plate material W2 by the magnetic force of the second electromagnet attracting member 21 ′, and the second plate material W2 is pressed by the second magnetic material. It is sandwiched between the member 41 'and the second electromagnet attracting member 21'.

Next, the second plate member W2 is sandwiched between the second magnetic material pressing member 41 ′ and the second electromagnet attracting member 21 ′, and the second moving means 30 ′ has the second moving member 30 ′. The air cylinder 31 ′ is driven, and the second electromagnet attracting member 21 ′ is moved along the rail 35 in the horizontal direction (left-right direction) left side (left side in FIG. 5).
Then, since the second plate member W2 is sandwiched between the second magnetic material pressing member 41 ′ and the second electromagnet attracting member 21 ′, the movement of the second electromagnet attracting member 21 ′. Following this, the pressing member 41 ′ made of the second magnetic material also moves along the rail 55 to the left in the horizontal direction (left-right direction) (left side in FIG. 5).
Then, the second air cylinder 31 ′ moves the second plate material W2 until the butted surface of the second plate material W2 comes into contact with the positioned butted surface of the first plate material W1.

When the butted surface of the second plate material W2 hits the positioned butted surface of the first plate material W1, the movement of the second plate material W2 in the left direction is stopped.
As a result, the butting surface of the first plate member W1 and the butting surface of the second plate member W2 on the first plate member W1 side are positioned at predetermined positions.
Next, as shown in FIG. 5, the second clamp member 60 ′ is lowered, and the second plate member W 2 is moved by the second clamp member 60 ′ to the first placement surface 12 a and the second placement surface 12. Press and clamp to 'a'.

  Next, as shown in FIG. 5, the first plate member W <b> 1 and the second plate member are formed by the first laser welding head 3 positioned above the gap S <b> 1 between the opposed end surfaces of the first pair of plate member cradle 12. The butt portion of W2 is laser welded.

By the way, as described above, the longitudinal direction of the gap S1 between the opposing end surfaces in the longitudinal direction of the first pair of plate material stands 12 located on the left side and the second pair of plate material stands 12 ′ located on the right side. The distance between the opposing end surfaces and the gap S2 is set to be equal to the length in the left-right direction of the second plate member W2.
Therefore, as shown in FIGS. 5 and 6, when one butted surface of the second plate material W2 is butted against the butted surface of the first plate material W1, the other butted surface of the second plate material W2 is fixed. Is positioned above the gap S2 between the end surfaces facing each other in the longitudinal direction of the second pair of plate material bases 12 ′.
Therefore, the other butted surface of the second plate member W2 is already positioned at a predetermined position without using the positioning reference member 14.
Therefore, it is possible to shift to the next operation in this state (the state shown in FIG. 5).

Next, as shown in FIG. 6, the second air cylinder 31 ′ of the second moving means 30 ′ is driven to move the second electromagnet attracting member 21 ′ along the rail 35 in the horizontal direction (left and right). Direction) Move to the left (left side in FIG. 6) and return to the original position.
Further, when the second air cylinder 51 'of the second support means 50' is driven to raise the second pressing unit 40 ', the pressing member 41' made of the second magnetic material also becomes the second plate material. Rise away from the surface of W2.
At the same time, the pressing member 41 ′ made of the second magnetic material is returned to the original position together with the second air cylinder 51 ′ by the urging force of the return spring 53 ′.

Next, the third air cylinder 51 ″ is driven until the lower surface of the third magnetic material pressing member 41 ″ comes into contact with the upper surface of the third plate member W3.
After that, when the air of the third air cylinder 51 ″ is removed, the lower surface of the third magnetic material pressing member 41 ″ is in contact with the upper surface of the third plate member W3 due to the weight of the third pressing unit 40 ″. become.
The pressing member 41 ″ made of the third magnetic material is attracted together with the third plate material W3 by the magnetic force of the adsorption member 21 ″ made of the third electromagnet, and the third plate material W3 is pressed by the third magnetic material. It is sandwiched between the member 41 ″ and the third electromagnet attracting member 21 ″.

Next, the third plate member W3 is sandwiched between the third magnetic material pressing member 41 "and the third electromagnet attracting member 21", and the third moving means 30 " The air cylinder 31 ″ is driven, and the third electromagnet attracting member 21 ″ is moved along the rail 35 in the horizontal direction (left-right direction) left side (left side in FIG. 6).
Then, since the third plate member W3 is sandwiched between the pressing member 41 ″ made of the third magnetic material and the adsorption member 21 ″ made of the third electromagnet, the movement of the adsorption member 21 ″ made of the third electromagnet Following this, the pressing member 41 ″ made of the third magnetic material also moves along the rail 55 to the left in the horizontal direction (left-right direction) (left side in FIG. 6).
Then, the third air cylinder 31 ″ moves the third plate material W3 until the butted surface of the third plate material W3 hits the other butted face of the second plate material W2.

When the abutting surface of the third plate member W3 hits the other abutted surface of the second plate member W2, the movement of the third plate member W3 in the left direction is stopped.
As a result, the other butting surface of the second plate material W2 and the butting surface of the third plate material W3 on the second plate material W2 side are positioned at predetermined positions.
Next, as shown in FIG. 6, the third clamp member 60 ″ is lowered, and the third plate member W3 is pressed and clamped against the second placement surface 12′a by the third clamp member 60 ″. To do.

  Next, as shown in FIG. 6, the second plate member W2 and the third plate member 3 'are placed by the second laser welding head 3' located above the gap S2 between the opposed end surfaces of the second pair of plate member pedestals 12 '. The butted portion of the plate material W3 is laser welded.

  The plate material butt positioning apparatus 10 according to the embodiment of the present invention has the following effects.

The first, second, and third electromagnet attracting members 21, 21 ', 21 "and the first, second, and third magnetic material pressing members 41, 41', 41" have their centers respectively. Since it can rotate around the axis, the first, second and third electromagnet attracting members 21, 21 ′, 21 ″ and the first, second and third magnetic material pressing members 41, Even when the first, second, and third plate members W1, W2, and W3 are tilted and held by 41 ′, 41 ″, the first, second, and third plate members W1, W2, and W3 are in contact with each other. The first, second, and third plate members W1, W2, and W3 can be rotated so as not to be inclined, and the butted surfaces of the first, second, and third plate members W1, W2, and W3 are butted without gaps. Positioning can be fixed.
When the first, second, and third plate members W1, W2, and W3 are abutted with each other, the first, second, and third plate members W1, W2, and W3 are eliminated from inclination. When the electromagnet attracting members 21, 21 ′, 21 ″ and the pressing members 41, 41 ′, 41 ″ made of the first, second, and third magnetic materials rotate, the first, second, and third plate members Since it can be rotated without sliding the suction surfaces of W1, W2, and W3, the first, second, and third plate members W1, W2, and W3 are not damaged.

  The first, second, and third electromagnet attracting members 21, 21 ', 21 "and the first, second, and third magnetic material pressing members 41, 41', 41" have their centers respectively. Since the axis is slightly movable in the horizontal direction while being in the vertical state, the first, second, and third plate members W1, W2, and the second plate members W1, W2, and W3 are abutted when the first, second, and third plate members W1, W2, and W3 are abutted. The inclination of W3 can be eliminated more smoothly.

  The pressing members 41, 41 ′, 41 ″ made of the first, second, and third magnetic materials are coupled to the first, second, and third electromagnet attracting members 21, 21, ′, 21 ″ by the magnetic force. The first, second and third electromagnet attracting members 21, 21 ', 21 "and the first, second and third magnetic materials are sucked together with the second and third plate materials W1, W2 and W3. Since the first, second, and third plate members W1, W2, and W3 are sandwiched by the pressing members 41, 41 ′, and 41 ″, the thicknesses of the first, second, and third plate members W1, W2, and W3 Even when the thickness is thin, a sufficient clamping force can be obtained by the magnetic force of the first, second, and third electromagnet attracting members 21, 21 ′, 21 ″.

  The first, second, and third moving means 30, 30 ′, and 30 ″ are disposed below the first, second, and third suction units 20, 20 ′, and 20 ″, so that space is effective. Available to:

  The first, second, and third support means 50, 50 ', and 50 "are disposed above the first, second, and third holding units 40, 40', and 40", so that space is effective. Available to:

  The first, second, and third moving means 30, 30 ′, and 30 ″ and the first, second, and third support means 50, 50 ′, and 50 ″ are the first, second, and second driving sources, respectively. Three air cylinders 31, 31 ′, 31 ″ and first, second and third air cylinders 51, 51 ′, 51 ″, the first, second and third moving means 30, 30 ′ 30 ″ and the operations of the first, second and third support means 50, 50 ′, 50 ″ are simple.

  The first and second pair of plate material holders 12 and 12 'are spaced apart from each other by a predetermined distance in the horizontal (left and right) movement direction of the first, second and third suction units 20, 20' and 20 ''. In this case, the abutting surfaces of the abutting surfaces of the three first, second, and third plate members W1, W2, and W3 can be positioned.

In the plate material butt positioning apparatus 10 according to the above-described embodiment of the present invention, as described above, the gap S1 between the longitudinally opposed end surfaces of the first pair of plate material pedestals 12 located on the left side, The distance between the opposite end faces in the longitudinal direction of the second pair of plate material bases 12 'located on the right side is set to be equal to the length in the left-right direction of the second plate material W2. .
However, if the length of the second plate member W2 in the left-right direction is different from the gap S1 and the gap S2, another positioning reference member (not shown) similar to the positioning reference member 14 is also provided in the vicinity of the gap S2. Can be arranged.
That is, the other abutting surface of the second plate member W2 is abutted against the other positioning reference member, and the one abutting surface of the third plate member W3 is abutted against the positioned other abutting surface. can do.

In the above description, the case where the three first, second, and third plate members W1, W2, and W3 are laser-welded has been described. However, the plate material butt positioning device 10 according to the embodiment of the present invention includes two components. It can also be used when the first and second plate members W1, W2 are laser welded.
That is, the first and second plate materials W1 and W2 can be carried in and laser-welded without carrying in the third plate material W3.

  In the embodiment of the present invention, an example in which the butt positioning device for the three first, second, and third plate members W1, W2, and W3 is applied to a laser welding apparatus is shown. The butt positioning apparatus can be widely applied to other welding apparatuses.

DESCRIPTION OF SYMBOLS 1 ... Lower frame 2 ... Upper frame 3, 3 '... 1st, 2nd laser welding head 10 ... Butt | positioning positioning apparatus 11, 11' ... 1st, 2nd support stand 12, 12 '... 1st, Second pair of plate material holders 12a, 12'a ... 1st, 2nd mounting surface 13 ... Bolt 14 ... Positioning reference member 15 ... Plate material holding table 20, 20 ', 20 "... 1st, 2nd 3rd adsorption unit 21,21 ', 21 "... 1st, 2nd, 3rd electromagnet adsorption member 22 ... plate 23 ... slide plate 24 ... plate 25 ... stepped center block 26 ... spring plunger support block 27 ... Spring plunger 28 ... Fixing bolt 29 ... Mounting bolts 30, 30 ', 30 "... First, second and third moving means 31, 31', 31" ... First, second and third air cylinders 31a , 31'a, 31 "a ... 1st, 1st 2, rod 32 of third air cylinder ... one L-shaped link 33 ... other L-shaped link 34 ... slider 35 ... rail 36 ... mounting plate 37 ... bracket 38 ... joint 40, 40 ', 40 "... first, Second, third pressing units 41, 41 ′, 41 ″... First, second and third magnetic pressing members 42... Sliding plate 43... Plate 44. 46 ... Spring plunger 47 ... Fixing bolt 48 ... Cylinder rod mounting plate 49 ... Mounting bolt 50, 50 ', 50 "... First, second and third support means 51, 51', 51" ... First, second , Third air cylinders 51a, 51'a, 51 "a ... rods 52, 52 '... cylinder mounting plates 53, 53' ... return springs of the first, second and third air cylinders 54, 54 '... slider 55 ... rail 56 ... rail mounting plate 57 ... return spring support member 58' ... return spring holding round bar 59 '... second support means mounting plate 60, 60', 60 "... first First, second and third clamp members S1... Gap S2 between opposed end surfaces of the first pair of plate material cradles. Gap W1, W2, W3 between the opposed end surfaces of the second pair of plate material pedestals. , 2nd and 3rd plate

Claims (7)

A plate butt positioning device for positioning and fixing the butt surfaces of the plate materials,
A pair of plate bases having a mounting surface for mounting the vicinity of each butting surface of the plate material;
A positioning reference member against which the butted surface of the plate material is abutted;
An adsorption unit having an adsorption member made of an electromagnet arranged in the vicinity of the pair of plate material cradles and supporting the plate material from below and moving in a horizontal direction;
Moving means for moving the suction unit in a horizontal direction;
A holding unit having a pressing member made of a magnetic material that is arranged above the attraction unit and is attracted together with the plate material by the magnetic force of the attraction member made of the electromagnet and moves in a horizontal direction;
A supporting means for supporting the pressing unit so as to be movable up and down and movable in the horizontal direction;
A clamp member that clamps and fixes the plate material positioned at a predetermined position between each mounting surface;
The plate butt positioning apparatus, wherein the electromagnet attracting member and the magnetic material pressing member are each rotatable about a central axis thereof.     2. The plate material butt positioning apparatus according to claim 1, wherein the electromagnet attracting member and the magnetic material pressing member are movable in the horizontal direction with their center axes kept in a vertical state.     3. The plate material butt positioning device according to claim 1, wherein the positioning reference member can freely move in and out of the mounting surface.     4. The plate material butt positioning apparatus according to claim 1, wherein the moving means is disposed below the suction unit.     The said support means is arrange | positioned above the said pressing unit, The board | plate butt | matching positioning apparatus as described in any one of Claims 1-4 characterized by the above-mentioned.     The said board | substrate butt positioning apparatus as described in any one of Claims 1-5 in which the said moving means and the said support means have an air cylinder as a drive source. The plate material according to any one of claims 1 to 6, wherein the pair of plate material pedestals are arranged at two positions with a predetermined interval in a horizontal movement direction of the suction unit. Butt positioning device.

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