JP2009018350A - Film wrapping device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a loading device capable of moving and positioning work receivers each having a pair of recessed grooves which are disposed on the front surface of the body of a film wrapping device by moving and positioning it one time from a work receiving position to diagonally upper working positions and retreating it to the original position while placing the journal parts of a work thereon. <P>SOLUTION: The work loading device 5 moves and positions the work receivers 31, 31 each having a pair of recessed grooves which are disposed on the front surface of the body 1 of the film wrapping device linearly at a tilt angle from the work receiving position to the diagonally upper working position 31b, 31b while placing the journal part 33, 33 of a work thereon. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention provides a relatively incompressible abrasive coated film, and a relatively rigid concave surface that is brought into contact with and pressed against a workpiece surface such as a steel pipe or an automobile part having a processed surface on which the film abrasive coated surface is rotated. The present invention relates to a film wrap apparatus comprising a shoe assembly having a workpiece and a micro-finishing of a workpiece surface using an abrasive coating film.

A conventional relatively non-compressible abrasive-coated film and a pair of shoe assemblies having a rigid concave surface that contacts and presses the film-coated material-coated surface against the workpiece surface. In a film wrap apparatus that microfinishes the surface very precisely, there is a work loading apparatus disclosed in, for example, FIGS. As described in [0013] of Patent Document 1, this work loading device is arranged such that each pin portion of the crankshaft is positioned so as to have a predetermined phase located on the horizontal line, and a work receiver that can be set is arranged. The workpiece receiver is supported by a cylinder so as to be swingable in the X-axis direction on a swing frame that swings in the vertical direction with the pivot as a fulcrum.
Japanese Patent No. 35589117 FIG. 1, FIG. 2, [0013]

  However, the workpiece receiving device that can be set in the workpiece loading device of Patent Document 1 is supported by a swing frame that swings in the vertical direction so as to be swingable in the X-axis direction, and only moves a small distance. However, the workpiece holder that can be positioned and set to have a predetermined phase has a concave groove, so when moving and positioning to the machining position obliquely above with the journal part of the workpiece placed, It is necessary to use a rowing device that performs two movements / positioning of directional movement / positioning and forward / backward movement / positioning, and retracts to the original position. Such a rowing device takes a lot of space in front of the film wrapping device and takes time.

  An object of the present invention is to provide a work receiver having a pair of concave grooves arranged on the front surface of the machine body of the film wrap apparatus, from the work receiving position to a processing position obliquely upward with the work journal portion mounted thereon. It has a loading device that can be moved / positioned and retracted to the original position once, and there is no need to use a rowing device that moves / positions and retracts to the original position twice. It is an object of the present invention to provide a film wrap apparatus that takes up a lot of space in front of the apparatus and does not take a long time to work.

  For this reason, the present invention is supported by a relatively incompressible abrasive-coated film and a pair of opening and closing arms that contact and press the abrasive-coated surface of the film against the journal or pin surface of the workpiece including the crankshaft. In addition, a film wrap device including a shoe assembly having a relatively rigid concave surface is mounted with a work receiver having a pair of concave grooves disposed on the front surface of the machine body of the film wrap device, and a journal portion of the work is mounted from the workpiece receiving position. The above-mentioned problems of the conventional products have been solved by providing a film wrapping device characterized by having a workpiece loading device that moves and positions on a straight line with an inclination angle up to a processing position obliquely above in the above state.

  With such a configuration, in the present invention, the workpiece receiver having a pair of concave grooves disposed on the front surface of the machine body of the film wrap apparatus is inclined from the workpiece receiving position to the processing position obliquely above with the journal portion of the workpiece placed thereon. Since it has a workpiece loading device that moves and positions on a straight line at an angle, the workpiece receiver with a pair of concave grooves is moved once from the workpiece receiving position to the machining position obliquely above with the journal portion of the workpiece mounted A film wrap device that has a loading device that can be positioned and retracted to one original position, and that does not require the use of a rowing device that moves and positions two times and retracts to each original position. A film wrap device that takes up a lot of space in front of the camera and does not take time to work is provided.

Preferably, the work loading device is supported by a fixed plate via a pair of fixed plates fixed to the front surface of the machine body, a pair of swing cylinders fixed to the machine body, a link and a joint so as to be rotatable around a swing axis. A pair of moving plates connected to each other, and a work receiver having the concave groove fixed to the moving plate, and each of the fixed plates is fixed to the slewing bearing portion provided on the fixed plate and the fixed plate. The linear guide 1, the guide plate fixed to the movable part of the linear guide 1, the first shaft fixed to the guide plate, the rack 1 fixed to the fixed plate, meshed with the rack 1, and rotatable about the first shaft A supported gear 2, a gear 1 meshing with the gear 2, and a shaft 16 fixed to the gear 1;
A linear guide 2 fixed to each workpiece receiver, a rack 2 fixed to a movable portion of the linear guide 2, and a rack 2 rotatably supported around a second axis (FIG. 2A) fixed to a moving plate. By engaging the gear 4 that meshes with the gear 4 and the gear 3 that meshes with the gear 4 and is fixed to the other end of the shaft, the workpiece receiver having a pair of concave grooves is inclined with the journal portion of the workpiece placed from the workpiece receiving position. A film wrap device having a loading device that can be performed by one movement / positioning and one retraction to the original position to the upper processing position.
Preferably, the slewing bearing portions provided on each of the pair of fixed plates are supported by the machine body so as to be movable in the axial direction of the workpiece by linear motion bearings, and a left nut and a right are respectively mounted on the pair of fixed plates. The nut is fixed, and the workpiece receiver having the pair of concave grooves is supported by each of the pair of fixed plates that support the pair of moving plates
A pitch changing device between a work receiver having a pair of concave grooves, including a left feed screw and a right feed screw that are respectively fitted to the left nut and the right nut, and a connecting portion that connects the left feed screw and the right feed screw. Have
More preferably, it has a right side nut and a left side nut that are rotatably connected to a linear motion bearing connecting member fixed to the outer periphery of the linear motion bearing and respectively mesh with the right feed screw, and the right side nut is rotated to the right. Accordingly, the work bearing having the outer periphery of the linear motion bearing and each of the pair of fixed plates, the pair of moving plates, and the pair of concave grooves fixed to the outer periphery is moved in the left direction as a whole, and the left nut is rotated to the left. Accordingly, the outer periphery of the linear motion bearing and each of the pair of fixed plates fixed thereto, the pair of movable plates, and the workpiece receiver having the pair of concave grooves are moved to the right as a whole.

  An example of the best mode for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a schematic side view showing a main part of a work loading device of a film wrap device according to an embodiment of the present invention, where a solid line is a start position, a two-dot chain line is a target position, and FIG. 2 (a) is a moving plate of FIG. The solid line is the start position, the two-dot chain line is the target position, (b) is a schematic side view of the main part of the fixed plate in FIG. 1, and FIG. 3 is an enlarged view of the fixed plate and the movable plate in FIG. FIG. 4 (a) is a cross-sectional explanatory view, FIG. 4 (a) is a front view of the main part of the pitch changing device between the workpiece receivers having concave grooves of the present invention, FIG. 1 (b) is a left side view, and FIG. FIG. 4C is a detailed enlarged front view in which a part of FIG.

  As shown in FIGS. 1 to 4, a film wrap apparatus according to an embodiment of the present invention includes a relatively incompressible abrasive-coated film (not shown), and a work 30 including a crankshaft as the abrasive-coated surface of the film. And a shoe assembly having a relatively rigid concave surface supported by a pair of opening and closing arms that are brought into contact with and pressed against the surface of the journal portion or pin portion of the film, and disposed on the front surface of the machine body 1 of the film wrap device. Move the workpiece holders 31 and 31 with a pair of concave grooves from the workpiece receiving positions 31 and 31 to the machining positions 31b and 31b diagonally upward with the workpiece journals 33 and 33 placed on a straight line with an inclination angle. It was assumed to have a workpiece loading device 5 for positioning.

  With this configuration, in the present invention, the work receivers 31 and 31 having a pair of concave grooves disposed on the front surface of the machine body 1 of the film wrap apparatus are loaded with the work journal portions 33 and 33 from the work receiving positions 31 and 31. Since the workpiece loading device 5 moves and positions on a straight line with an inclination angle up to the machining positions 31b and 31b obliquely above in this state, a workpiece receiver having a pair of concave grooves is placed on the journal portion of the workpiece from the workpiece receiving position. In this state, it has a loading device 5 that can be moved by one movement / positioning and retraction to one original position up to an obliquely upper processing position. There is no need to use a rowing device for evacuation, and a film wrap device that takes up a lot of space on the front of the film wrap device and does not take time to work. It became something to offer.

In FIG. 1, the work loading device 5 includes a pair of fixing plates 20 and 20 fixed to the front surface of the machine body 1 of the film wrap device, a rod connecting portion 4 of a pair of revolving cylinders 3 and 3 fixed to the machine body 1, and A movable plate 10 supported by a fixed plate 20 so as to be pivotable around a pivot shaft 19 via a link 2, 18 and a joint 17 which are drivingly coupled to the rod coupling portion 4, and a pair of fixed plates fixed to the movable plate 10. Each of the fixed plates 20 has a swivel bearing portion 19b that supports the swivel shaft 19 of the movable plate.
As shown in FIG. 3, the linear guides 1 and 22 fixed to the fixed plate 20, the guide plate 21 fixed to the movable part of the linear guides 1 and 22, the first shaft 26 fixed to the guide plate 21, and the fixed plate Racks 1 and 23 fixed to 20, meshed with racks 1 and 23, supported rotatably around first shaft 26, and fixed to gears 1 and 25 and gears 1 and 25 meshed with gears 2 and 24 (The racks 1 and 23 and the gears 1 and 25 may be directly meshed with each other).
Linear guides 2 and 12 fixed to the workpiece receivers 31; racks 2 and 13 fixed to the movable parts of the linear guides 2 and 12; a second shaft 19 'fixed to the movable plate body 11 (FIG. 2 (a 3) having gears 4 and 14 meshed with the racks 2 and 13 and meshed with the gears 4 and 14, and gears 3 and 15 fixed to the other end of the shaft 16 (rack). 2 ・ 13 and gear 3 ・ 15 to which shaft 16 is fixed may be meshed directly).

  With this configuration, as shown in FIG. 1, the work loading device 5 of the film wrap device according to the embodiment of the present invention, when the rods of the pair of revolving cylinders 3 and 3 fixed to the machine body 1 are driven forward, The links 2 and 18 that are drivingly connected to the rod connecting portion 4 turn around the turning shaft 19, and the moving plate 10 is moved obliquely upward from the solid line position 10 to the two-dot chain line position 10b in FIG. As shown in FIG. 3, the gears 2 and 24 meshing with the racks 1 and 23 fixed to the movable parts of the linear guides 1 and 22 fixed to the fixed plate body 1 and the gears 1 and 25 meshing with the gears 2 and 24 are used. The fixed shaft 16 is rotated, and the racks are fixed to the movable parts of the gears 3 and 15 fixed to the shaft 16, the gears 4 and 14 meshing with the gears 3 and 15, and the linear guides 2 and 12 meshing with the gears 4 and 14. See Fig. 1 for the work receiver 31 via 2 · 13. Then, move it from the position 31 of the solid line diagonally upward to the position 31b of the two-dot chain line so that the shaft workpiece such as the crankshaft 30 on the work receiver 31 is at the machining position 30b, and take up a lot of space on the front of the film wrap device Thus, a work loading device 5 for a film wrap device that does not take time to work is provided. A shaft workpiece 30 such as a crankshaft 30 is centered by a head center 34 supported by a head stock (not shown) and a tail center 35 supported by a tail stock (not shown) at a machining position 30b in FIG. The workpiece receiver 31 returns to the original position of the solid line, and film wrap processing is performed. After the film wrap processing is finished, the moving plate 10 and the work receiver 31 are again raised to the processing position of the two-dot chain line, receive the crankshaft 30, and return to the original position of the solid line again to finish the processing. By the work loading device 5 of the film wrap device of the embodiment of the present invention, the workpiece receiver having a pair of concave grooves is moved once from the workpiece receiving position to the processing position 30b obliquely upward with the workpiece journal 33 placed thereon. It can be performed by moving and positioning and retreating to the original position once.

FIG. 4 shows a pitch changing device 6 between workpiece receivers 31 and 31 having concave grooves of a film wrap device according to an embodiment of the present invention, and a slewing bearing portion 19 provided on each fixed plate 20 A workpiece bearing 31 having a pair of concave grooves 31 is supported by a linear motion bearing 61 composed of a spline so as to be movable in the axial direction of the workpiece 30, and a left nut 62 and a right nut 63 are fixed to each pair of fixing plates 20 and 20, respectively. , 31 are supported by the pair of fixed plate bodies that support the pair of movable plate bodies. Reference numeral 64 denotes a linear slide that supports the fixed plate 20.
A workpiece having a pair of concave grooves including a left feed screw 65 and a right feed screw 66 that are fitted to the left nut 62 and the right nut 63, respectively, and a connecting portion 67 that connects the left feed screw 65 and the right feed screw 66. It has a pitch change device 6 between the receiving spaces. When the connecting portion 67 is rotated by hand, the pitches of the work receivers 31 and 31 change equally on the left and right.
Further, it has a right side nut 71 and a left side nut 72 that are rotatably connected to a linear motion bearing connecting member 70 fixed to the outer periphery 61 'of the linear motion bearing 61 and mesh with the right feed screw 66, respectively. By rotating it, the outer periphery 61 'of the linear motion bearing 61 and a pair of fixed plates 20, 20, a pair of moving plates 10, 10, and a work receiver 31, 31 having a pair of concave grooves move to the left as a whole. By rotating the left nut 72 counterclockwise, the outer periphery 61 ′ of the linear motion bearing 61 and a pair of fixed plates 20, 20 fixed thereto, a pair of movable plates 10, 10 and a work receiver 31, 31 having a pair of concave grooves Is moved to the right as a whole.

BRIEF DESCRIPTION OF THE DRAWINGS It is a principal part schematic side view which shows the workpiece conveyance apparatus of the film wrap apparatus of embodiment of this invention, A continuous line is a starting position and a dashed-two dotted line is a target position. (A) is a moving plate of FIG. 1, a solid line is a starting position, a two-dot chain line is a target position, (b) is a principal part schematic side view of the fixed plate of FIG. It is the expanded sectional view which notched a part seen from the front of the fixed plate and moving plate of FIG. (A) is a principal part front view of the pitch change apparatus between the workpiece receivers with a recessed groove | channel of this invention, (b) is a left view of the principal part of (a), (c) is a left view of (a). It is the detail expansion front view which notched a part of (a).

Explanation of symbols

1: Machine body, 2, 18: Link, 4: Rod connecting part, 3: Swivel cylinder
10: Moving plate, 12: Linear guide 2, 13: Rack 2
14: Gear 4, 15: Gear 3, 16: Shaft, 17: Joint, 19: Swivel axis
19b: slewing bearing, 20: fixed plate, 21: guide plate, 22: linear guide 1
23: Rack 1, 24: Gear 2, 25: Gear 1, 26: First shaft, 30: Workpiece, 31: Workpiece receiver
31b: Processing position

Claims (4)

  A relatively incompressible abrasive-coated film and a relatively rigid concave surface supported by a pair of open / close arms that press the abrasive-coated surface of the film into contact with the journal or pin surface of the workpiece including the crankshaft. In a film wrap device including a shoe assembly having a work assembly, a workpiece receiver having a pair of concave grooves disposed on the front surface of the machine body of the film wrap device is disposed obliquely upward with a journal portion of the workpiece placed on the workpiece receiving position. A film wrap device comprising a work loading device that moves and positions on a straight line with an inclination angle to a processing position. The workpiece loading device includes a pair of fixed plates fixed to the front surface of the machine body, a pair of revolving cylinders fixed to the machine body, a pair of moving plates connected via a link and a joint, and the fixed to a moving plate. A workpiece receiver having a groove,
Each of the fixed plates includes a slewing bearing provided on the fixed plate, a linear guide 1 fixed to the fixed plate, a rack 1 fixed to the movable part of the linear guide 1, and a first axis fixed to the fixed plate. A gear 1 that is rotatably supported and meshes with the rack 1, and a shaft that is fixed to the gear 1. Each of the moving plates is fixed to a moving portion of the linear guide 2 and the linear guide 2 that are fixed to the moving plate. The film wrap according to claim 1, further comprising: a rack 2, a gear 3 that is rotatably supported around a second axis fixed to the moving plate and meshes with the rack 2, and the shaft fixed to the gear 3. apparatus. The slewing bearings provided on each of the pair of fixed plates are supported by the machine body so as to be movable in the axial direction of the workpiece by linear motion bearings, and left nuts and right nuts are fixed to the pair of fixed plates, respectively. The workpiece receiver having the pair of concave grooves is supported by the pair of fixed plates that support the pair of moving plates,
A pitch changing device between a work receiver having a pair of concave grooves, including a left feed screw and a right feed screw that are respectively fitted to the left nut and the right nut, and a connecting portion that connects the left feed screw and the right feed screw. The film wrap apparatus according to claim 2, further comprising: A right-hand nut and a left-hand nut each rotatably connected to a direct acting bearing coupling member fixed to the outer periphery of the direct acting bearing and respectively meshing with the right feed screw;
By rotating the right nut to the right, the outer periphery of the linear motion bearing and the pair of fixed plates fixed thereto, the pair of moving plates, and the workpiece receiver having the pair of concave grooves are moved to the left as a whole,
By rotating the left nut counterclockwise, the outer periphery of the linear bearing and each of the pair of fixed plates fixed thereto, the pair of moving plates, and the pair of concave grooves are moved rightward as a whole. 4. The film wrap apparatus according to claim 3, wherein the film wrap apparatus is configured as described above.

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