JP2009291817A - Workpiece supporting/rotating device and workpiece rotating equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a workpiece supporting/rotating device that can support and rotate a workpiece without separately using a supporting tool, even when the surface of a part to be supported of the workpiece is tilted with respect to the center of a supporting/rotating axis. <P>SOLUTION: The workpiece supporting/rotating device 2 includes a support body 11 and a rotary holding part 14 which is freely rotatably held around a first horizontal axial center (a) via a roller member on the support part 11 and in which a through-hole capable of guiding a workpiece 3 in a direction along the first horizontal axial center (a) is formed. In the lower part of the through-hole of the rotary holding part 14, there is installed a workpiece placing member 43 that has a placing face for the workpiece 3 and that is freely rockable around a second horizontal axial center (b) orthogonal to the first horizontal axial center (a). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a work support rotating device and a work rotating equipment.

Conventionally, when a relatively large columnar structure or the like is assembled by welding, the temporarily assembled structural member is held by, for example, a pair of front and rear support bases, and these support bases are rotated to an arbitrary posture. A support rotation device (also referred to as a reversing device) is used (see, for example, Patent Document 1).
JP-A-6-91395

  By the way, according to the conventional support rotation device, the workpiece mounting table provided on the workpiece supporting table and directly mounting the workpiece is fixed to the supporting table, and the mounting surface thereof is a horizontal plane.

  Therefore, when a long workpiece is supported by the support rotating device, the front and rear portions thereof are supported by a pair of support bases. When the front and back surfaces of the supported portion of the workpiece are horizontal, Is not a problem, but when the work is bent in the longitudinal direction and the surface of the supported part, that is, the supported surface is inclined, the front and back supported surfaces are inclined in opposite directions. In some cases, it was necessary to prepare a supporting jig having a mounting surface corresponding to (coincident with) the supported surface of the workpiece on the support base side.

  Therefore, the present invention provides a workpiece support rotation that can support and rotate the workpiece without using a support jig separately, even when the surface of the supported portion of the workpiece is inclined with respect to the support rotation axis. An object is to provide an apparatus and a work rotation facility.

In order to solve the above-described problems, a work support rotating device according to the present invention is supported by a support and a support member so as to be rotatable around a first axis via a roller member and along the first axis. A work support rotation device having a rotation holding body formed with a guide space portion capable of guiding a work in a direction,
A work placement member having a work placement surface and swingable around a second axis perpendicular to the first axis is provided below the guide space of the rotating holder,
Further, a slip prevention member for preventing the workpiece from slipping is provided on the placement surface of the workpiece placement member.

  Furthermore, the workpiece | work rotation equipment of this invention arrange | positions at least 2 said workpiece | work support rotation apparatus along a 1st axis.

  According to the configuration of the work support rotating device and the work rotating equipment, the work placing member is swingable in a plane perpendicular to the rotation axis in the guide space portion on the side of the rotation holding body supported rotatably by the support. Therefore, when the work is guided to the guide space, even if the lower surface of the supported part of the work is inclined, the work placement member swings in accordance with the inclination of the supported part of the work. As in the prior art, there is no need to prepare a supporting jig that is required when the workpiece placement member is fixed to the rotating holder.

Hereinafter, a work support rotation device and work rotation equipment concerning an embodiment of the invention are explained based on Drawings 1-4.
The workpiece support rotating device according to the present invention holds the workpiece as a work piece substantially horizontally and tilts it at an arbitrary angle (angle in the circumferential direction) within the vertical plane, for example, by assembling the workpiece by welding. The workpiece rotating equipment is used for performing the main welding on the long workpiece temporarily welded, for example, provided with at least two workpiece support rotating devices. Of course, the work support rotation device, that is, the work rotation equipment can be applied to work other than welding.

  As shown in FIG. 1, the work rotation facility 1 includes at least two work support rotation devices 2 and, for example, a long work 3 is supported by these work support rotation devices 2 and rotated around a horizontal axis. Thus, an arbitrary posture is obtained. Hereinafter, the horizontal axis is referred to as a first horizontal axis (which is an example of the first axis) a, and a horizontal axis perpendicular to the first horizontal axis a is defined as a second horizontal axis (second It is referred to as “b”, which is an example of an axis. Further, the longitudinal direction of the workpiece, that is, the direction along the first horizontal axis a is referred to as the front-rear direction, and the second horizontal axis b direction is referred to as the left-right direction. Therefore, the work support rotation device 2 is arranged in the front-rear direction.

  As shown in FIGS. 1 and 2, the workpiece support rotation device (hereinafter simply referred to as a support rotation device) 2 has a cutout portion 12 having a semicircular shape when viewed from the side, and a cutout portion 12. And a support body 11 provided with a plurality of roller members 13 rotatably supported around a first horizontal axis a, and each roller member of the support body 11. 13 and a rotation holding body 14 provided with a through hole 15 having a rectangular shape when viewed from the side and provided around the first horizontal axis a, and provided on the side of the support 11 to rotate the rotation. The rotation driving device 16 rotates the holding body 14 and the work mounting table 17 is provided in the through hole portion 15 of the rotating holding body 14 for mounting and supporting the work 3. In addition, since the said workpiece | work is guided, the said through-hole part 15 can also be called a guide hole part.

  The rotary holding body 14 is provided with an outer frame member 21 which is formed in a circular shape so that its flange portion 21a is on the outside, and a groove-shaped steel having a U-shaped cross section, and on the inner side of the outer frame member 21. And an inner plate member 22 having the through hole 15 formed at the center.

  The rotary holding body 14 includes an upper portion of the through-hole portion 15 divided into a split circle along a horizontal line, and includes a lower holding main body portion 14a and a split-circle-shaped holding divided portion 14b. The holding division part 14b is attached to the holding main body part 14a side via the hinge 23 so as to open and close the upper part, that is, the opening part of the through hole part 15 (the holding line shown in FIG. This shows a state in which the dividing portion 14b is opened). The rotary holder 14 is divided into upper and lower parts. Of course, the inner plate member 22 provided on the inner side is also divided into a lower inner plate body 22a and an upper inner plate dividing part 22b. Has been.

  Therefore, when the work 3 is guided (inserted) into the through-hole 15, the work 3 is placed in the through-hole 15 with the holding division 14 b opened outward, as shown by the phantom line in FIG. 2. To guide.

  Further, a pressing member 31 (not shown in FIG. 1) for fixing the work 3 is disposed at appropriate positions around the through hole 15 in the rotating holder 14 (for example, the center positions of the four sides). Yes.

  The pressing member 31 swings through a cylinder device (for example, an electric cylinder or an air cylinder is used) 32 attached to the side surface of the rotary holder 14 and a rod portion of the cylinder device 32 via an attachment pin 33. It is comprised from the presser plate 34 attached so that it was possible. The mounting pin 33 is disposed in parallel with the first horizontal axis a. Instead of the cylinder device 32 as a moving member of the pressing plate 34, a manual screw mechanism (consisting of a nut, a screw rod, etc.) or a screw jack may be used.

  Further, the rotation drive device 16 includes a ring gear 26 provided over the entire outer peripheral surface of the groove portion of the outer peripheral portion of the rotation holding body 14, that is, the web portion 21 b of the outer frame member 21, and a support shaft member at the lower portion of the support body 11. The pinion 28 is supported through the ring gear 26 and meshes with the ring gear 26, and the electric motor 29 that rotates the support shaft member 27. Therefore, when the electric motor 29 is driven, the rotation holding body 14 is rotated around the first horizontal axis a through the pinion 28 and the ring gear 26.

  Further, the workpiece mounting table 17 is provided on the lower surface (surface on the holding main body portion 14 side) 15a of the rectangular through-hole portion 15 formed in the rotary holding body 14 via a pair of left and right bearings 41 and a second horizontal axis. a support shaft 42 supported rotatably around an axis parallel to b, and a workpiece provided with a placement surface 43a attached to the support shaft 42 and capable of placing the workpiece 3 on the upper surface (front surface). It is comprised from the mounting member 43. FIG.

  That is, according to the workpiece mounting table 17, even when the contact surface (hereinafter also referred to as a supported surface) of the supported portion of the workpiece 3 is inclined, the workpiece mounting table 17 can swing in the vertical plane. Therefore, the mounting surface 43a can follow the supported surface of the workpiece 3 and can support the workpiece 3 reliably.

  Further, on the surface of the workpiece mounting member 43, an anti-slip member that prevents the workpiece 3 from slipping if necessary [for example, an engagement protrusion that can lock a supported portion of the workpiece, or an uneven surface. An elastic material such as rubber having a portion formed thereon, or a surface having irregularities such as jaggedness formed on the surface to increase the frictional force (plate body)] 44 is provided. In addition, when the anti-slip member 44 is provided, this surface can also be called a mounting surface of the workpiece 3.

  Next, in the case of assembling the work 3 that is long and bent in a side view, for example, a “he” shape by welding, with the work rotating equipment 1 provided with the two support rotating devices 2 described above. Will be described.

  That is, as shown in FIG. 1, after opening the holding division part 14b of each rotation holding body 14 in each of the front and rear support rotation devices 2 (2A, 2B) upward, the front bent part 3a of the work 3 is moved to one side. While being mounted on the work mounting table 17 of the support rotation device 2 (2A), the rear bent portion 3b is mounted on the work mounting table 17 of the other support rotation device 2 (2B).

  At this time, since the workpiece mounting table 17 is swingable around the second horizontal axis b, that is, in the vertical plane, the mounting surface 43a follows the supported surface of the workpiece 3, and thus the supported surface. Even if it is the workpiece | work 3 which has what kind of direction, it can support reliably.

  When the workpiece 3 is supported by the workpiece mounting table 17 at the front and rear, after the holding divided portion 14b is closed, the workpiece 3 is fixed and positioned by the pressing members 31 provided on the side surfaces of the holding main body portion 14a and the holding divided portion 14b. Do.

Then, the electric motor 29 is driven to rotate (tilt) the work 3 around the first horizontal axis a, and necessary portions are welded sequentially.
According to the configuration of the workpiece rotating equipment, that is, the workpiece supporting rotating device, the second horizontal axis orthogonal to the first horizontal axis is provided in the guide space portion on the side of the rotary holding body that is rotatably supported by the support around the first horizontal axis. Since the workpiece mounting member that is rotatable around the axis, that is, swingable in the vertical plane, is provided, even when the supported surface of the workpiece is inclined when the workpiece is guided to the guide space portion, Since the workpiece placement member swings according to the supported surface of the workpiece, it is necessary to prepare a supporting jig that is required when the workpiece placement member is fixed to the rotary holding body as in the prior art. Absent.

  By the way, in the said embodiment, although the workpiece | work was demonstrated as the character shape of "he", of course, it is not limited to the character shape of "he".

It is a side view which shows schematic structure of the workpiece | work rotation equipment which concerns on embodiment of this invention. It is a side view which shows schematic structure of the workpiece | work support rotation apparatus in the workpiece | work rotation installation. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Work rotation equipment 2 Work support rotation apparatus 3 Work 11 Support body 12 Notch part 13 Roller member 14 Rotation holding body 14a Holding main-body part 14b Holding division | segmentation part 15 Through-hole part 16 Rotation drive device 17 Work mounting base 21 Outer frame member 22 In Plate member 29 Electric motor 31 Holding member 41 Bearing 42 Support shaft member 43 Work placement member 43a Placement surface 44 Anti-slip member

Claims (3)

A rotary holding body formed with a support body and a guide space portion that is supported by the support body through a roller member so as to be rotatable around the first axis and can guide the workpiece in a direction along the first axis. A workpiece support rotating device having
A work placement member having a work placement surface and swingable about a second axis perpendicular to the first axis is provided at a lower portion of the guide space of the rotation holding body. Work support rotation device.   The work support rotation device according to claim 1, wherein an anti-slip member for preventing the work from slipping is provided on the placement surface of the work placement member.   A work rotation facility comprising at least two work support rotating devices according to claim 1 or 2 along a first axis.

Images