JP3665556B2 - Two-row hanger for hanging workpieces of electrostatic coating machines - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a work hanging / hanging hanger that is used during a period from when a workpiece is transferred into an electrostatic coating machine to when the workpiece is discharged after electrostatic coating is completed. The present invention relates to a two-row hanger for workpiece suspension and conveyance of an electrostatic coating machine in which the end faces are stacked and held in two vertical rows.
[0002]
[Prior art]
Conventionally, there has been known a one-row hanger for hanging and conveying workpieces of an electrostatic coating machine in which a plurality of workpieces are stacked and held in a single row with the end faces of the workpieces butted. There was a fatal defect that two types of workpieces with different types of workpieces with different lengths and external shapes could not be produced simultaneously.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a two-row hanger for suspending and conveying a workpiece of a novel electrostatic coating machine that eliminates the above-described defects.
[0004]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the two-row hanger for hanging and conveying a workpiece of an electrostatic coating machine according to the present invention holds a number of workpieces stacked in a multi-stage in a vertical row and holds up to two rows in the electrostatic coating machine. It is used to carry in and take out after the electrostatic painting by the electrostatic coating machine is finished. The hanger column with the hanging hook at the upper end and the left and right side Upper arm, left and right lower arms, non-stretchable downward shaft provided at the tip of each upper arm, upper center plate where the upper end surface of the work fixed to the lower end of the downward shaft is in pressure contact, and each lower arm Telescopic upper shaft provided with the movable shaft returning to the upper end of the upper end, a lower center plate with which the lower end surface of the work provided on the upper end of the movable shaft is in pressure contact, and a hook provided on the lower end of the movable shaft It is provided with a rib part.
[0005]
【Example】
Embodiments of the present invention will be described with reference to the drawings.
First, a hanger column 2 having a hanging hook 1 at its upper end is constructed, and horizontal left and right upper arms 3 and 4 are provided at positions near the upper end of the hanger column 2, and horizontal left and right lower arms 5 and 6 are respectively provided at the lower end. In addition, short left and right non-stretchable downward shafts 7 and 8 are provided at the front ends of the left and right upper arms 3 and 4, and the upper end surface of the work 9 or the dummy 10 is pressed against the lower ends of the respective non-stretchable downward shafts 7 and 8. The upper center plates 12 and 13 with the left and right center dowels 11 are mounted, and the left and right telescopic upper shafts 14 and 15 are provided at the distal ends of the left and right lower arms 5 and 6, respectively. By attaching the lower center plates 17 and 18 with left and right center dowels 16 to which the lower end surface of the work 9 or dummy 10 is in pressure contact with the upper end of 15, a large number of works 9 or dummy 10 can be attached. Constituting two rows hanger 19 for holding in tandem to two rows in a state where the stacked up multiple stages.
[0006]
As shown in FIG. 4, the upper center plates 12, 13 with the center dowel 11 slightly swing a spacer 26, which will be described later, at the lower ends of the non-stretchable downward shafts 7, 8. It is configured by being fastened by a rubber ring 25 in a movable state, so as to absorb inconveniences due to the inclination and unevenness of the end face of the workpiece, subtle deviations, and the like.
[0007]
Further, as shown in FIG. 5, the lower center plates 17 and 18 with the center dowel 16 have a spacer 26 which will be described later on the conical dowel 16 of each of the telescopic downward shafts 14 and 15, and the spacer 26 has the center dowel 11. It is constructed by placing it in a slightly swingable state as the center, so as to absorb inconveniences due to the inclination and unevenness of the end face of the workpiece, subtle deviations and the like.
[0008]
The upper center plates 12 and 13 and the lower center plates 17 and 18 can be fixed types that do not swing.
[0009]
Each of the telescopic upward shafts 14 and 15 has hook portions 21 and 22 having an inverted T shape at the lower ends thereof, and an upward return force by the acting force of the coil spring 23 attached to the shafts 14 and 15. In this state, the distance between the upper center plates 12 and 13 and the lower center plates 17 and 18 is kept constant.
[0010]
The workpiece 9 or the dummy 10 has a short round bar shape as a whole, and has an outer shape having a recess 24 having a relatively complicated shape at the center of the front surface thereof.
[0011]
Then, when a large number of such workpieces 9 or dummy 10 are stacked in multiple columns in the vertical and vertical direction as described above, the following spacers 26 are used by being inserted between them.
[0012]
The spacer 26 is provided with a large number of low front side protrusions 27 at regular intervals on the front surface along the inner periphery of the outer periphery, and a plurality of low back side protrusions 28 are also provided on the back surface. A projection 28 is provided as an arrangement existing between the front side projections 27, and a fitting hole 29 for the center dowels 11 and 16 of the upper center plates 12 and 13 and the lower center plates 17 and 18 is provided in the center.
[0013]
The spacer 26 may be configured as shown in FIGS. 11A to 11E. That is,
FIG. 11A shows a front-side protrusion 27 and a back-side protrusion 28 in which a portion centered on the fitting hole 29 is made uneven in a water-striped (wave) shape.
In FIG. 11B, a ring-shaped plate having a small diameter is stacked on the front and back surfaces with the fitting hole 29 as the center.
FIG. 11C shows the shape of a flat abacus ball.
In FIG. 11D, the front side protrusion 27 and the back side protrusion 28 are formed in a ridge shape and arranged on a circular line.
In FIG. 11E, the front side protrusion 27 and the back side protrusion 28 are formed in a ridge shape and are arranged on the radiation.
The fitting hole 29 is a hole having an irregular shape such as a square or a hexagon.
[0014]
The above-mentioned two-row hanger 19 can be loaded into an electrostatic coating machine (not shown) after loading the work 9 or the like by using an alignment loading device described below, It is used for usage such as unloading after completion of electrostatic coating by a coating machine.
[0015]
Here, the aligning and loading apparatus will be described with reference to the drawings.
First, a gantry 35 having an inclined wall surface 34 supported by the front leg 32 and the rear leg 33 in a state of being slightly tilted rearward is constituted, and the same line is aligned with a pair of left and right vertical lines on the inclined wall surface 34 of the gantry 35. Long V-grooved blocks 36, 37 are arranged along the upper arm and fixed to the inclined wall surface 34 using a plurality of support legs 38, 39. Three and four mounting upper plates 40 and the mounting lower plates 41 of the lower arms 5 and 6 are provided.
[0016]
Further, in the mounting upper plate 40, the upper side through which the downward shafts 7 and 8 and the hanger column 2 pass at the left and right positions corresponding to the upper end opening 42 of the left and right V-grooved blocks 36 and 37 and the middle position between these left and right positions. Cutouts 44, 45, 46 are provided, and the upward shaft 14 is provided at the left and right locations corresponding to the lower end opening 43 of the left and right V-grooved blocks 36, 37 in the lower plate 41, and at an intermediate location between these left and right locations. 15 and the lower notches 47, 48, and 49 for passing through the hanger column 2 are cut.
[0017]
In addition, the left and right air cylinders 51 and 52 are arranged in a state where the telescopic shafts 53 and 54 are movable upward at positions below the lower end opening 43 of the left and right V-grooved blocks 36 and 37 below the inclined wall surface 34. At the same time, the hook members 55 and 56 of the T-shaped hook portions 21 and 22 having a bifurcated tip are attached to the tips of the telescopic shafts 53 and 54, thereby completing the operation.
[0018]
Next, in order to load the workpiece 9 or the dummy 10 on the two-row hanger 19 using the above-described alignment loading device, first, the downward shafts 7 and 8 of the two-row hanger 19 and the upper part of the hanger column 2 are passed through the upper side. The upper arms 3 and 4 are arranged on the mounting upper plate 40 in the state where the notches 44, 45 and 46 are fitted, and the upper shafts 14 and 15 of the second row hanger 19 and the lower part of the hanger support 2 are passed through the lower side. The lower arms 5 and 6 are arranged on the mounting lower plate 41 with the notches 47, 48 and 49 fitted, and the T-shaped hook portions 21 and 22 provided at the lower ends of the upward shafts 14 and 15 are hooked members. A state in which the space between the upper center plates 12 and 13 and the lower center plates 17 and 18 is widened with the telescopic shafts 53 and 54 of the left and right air cylinders 51 and 52 shortened. And At this time, the upper center plates 12 and 13 have a positional relationship corresponding to the upper end opening ports 42 of the left and right V-grooved blocks 36 and 37, and the lower center plates 17 and 18 have a positional relationship corresponding to the lower end opening ports 43. Become.
[0019]
After placing the dummy 10 on the lower center plates 17 and 18 in such a positional relationship and inserting the upper half into the lower ends of the grooves of the V-grooved blocks 36 and 37, the dummy 10 The spacer 26 is placed on the upper end surface, the next workpiece 9 is placed on the placed spacer 26, and the whole is fitted into the grooves of the V-grooved blocks 36 and 37, and thus the spacer 26 is placed. And the workpieces 9 are alternately stacked up to a predetermined number of levels, and finally the dummy 10 is stacked.
[0020]
When the stacking is completed, the telescopic shafts 53 and 54 of the left and right air cylinders 51 and 52 are brought into an extended state. Then, the upward shafts 14 and 15 are extended by the repulsive force of the built-in coil spring 23 and the upper center plates 12 and 13 are extended. And the lower center plates 17 and 18 are narrowed, so that the stacked workpieces 9 and spacers 26 are raised so that the upper end surface of the uppermost dummy 10 is pressed against the lower surfaces of the upper center plates 12 and 13. .
[0021]
When this pressure welding is completed, the stacked work 9 and the spacer 26 and the dummy 10 are maintained in an aligned state in which they are stacked in multiple stages in the vertical and vertical directions by guiding the grooves of the V-grooved blocks 36 and 37, and the force of the coil spring 23 is maintained. Thus, the upper center plates 12 and 13 and the lower center plates 17 and 18 are strongly sandwiched to maintain the alignment state.
[0022]
After the alignment state is maintained, the upper shafts 14 and 15 of the two-row hanger 19 and the lower part of the hanger support 2 are removed from the lower notches 47, 48, and 49 for passing through and from the upper notches 44, 45, and 46 for passing. The two-row hanger 19 loaded with the workpieces 9 aligned in two rows is obtained by removing the downward shafts 7 and 8 of the two-row hanger 19 and the upper part of the hanger column 2. This is carried into an electrostatic coating machine (not shown), subjected to an electrostatic coating process by revolving and rotating in the same machine, etc., and used for such purposes as being taken out of the machine after completion.
[0023]
【The invention's effect】
The two-row hanger for hanging and conveying workpieces of the electrostatic coating machine according to the present invention holds up to two rows in a state where a large number of workpieces are stacked in a multi-stage and are carried into the electrostatic coating machine. It is used to carry out after electrostatic coating by the coating machine, and has hanger posts with hanging hooks at the top, left and right upper arms and left and right lower sides provided on the hanger posts. An arm, a non-stretchable downward shaft provided at the tip of each upper arm, an upper center plate in pressure contact with the upper end surface of the work fixed to the lower end of the downward shaft, and a movable shaft at the tip of each lower arm. A configuration comprising a telescopic upward shaft provided in a state of returning to the upper side, a lower center plate in pressure contact with a lower end surface of a work provided at the upper end of the movable shaft, and a hook portion provided at the lower end of the movable shaft So use it as described above If so, it is possible to hold up to two rows as a multi-stage stack of multiple workpieces and carry them into the electrostatic coating machine, or carry them out after the electrostatic coating by the electrostatic coating machine is completed. However, it has a remarkable effect of completely achieving the intended purpose of eliminating all of the above defects.
[Brief description of the drawings]
FIG. 1 is a front view showing a two-row hanger for workpiece suspension conveyance.
FIG. 2 is a front view showing a use state of the two-row hanger.
FIG. 3 is an enlarged sectional view taken along line 2A-A in FIG.
FIG. 4 is an enlarged cross-sectional view of an upper center plate portion.
FIG. 5 is an enlarged cross-sectional view of a lower center plate portion.
FIG. 6 is a front view showing a workpiece aligning and loading apparatus.
FIG. 7 is a front view showing a state of use of the workpiece aligning and loading apparatus.
8 is a cross-sectional view taken along line B-B in FIG.
FIG. 9 is a plan view showing a spacer.
10 is a cross-sectional view taken along line 9C-C in FIG.
FIG. 11 is a plan view and a front view showing other types of spacers (a) to (e).
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hanging hook 2 Hanger support | pillar 3 Upper arm 4 Upper arm 5 Lower arm 6 Lower arm 7 Down shaft 8 Down shaft 9 Work 10 Dummy 11 Center dowel 12 Upper center plate 13 Upper center plate 14 Up shaft 15 Up shaft 16 Center Dowel 17 Lower center plate 18 Lower center plate 19 Two-row hanger 21 Hook portion 22 Hook portion 23 Coil spring 24 Recess 26 Spacer 27 Front side projection 28 Back side projection 29 Fitting hole 32 Front leg 33 Rear leg 34 Inclined wall 35 Mounting base 36 V-grooved block 37 V-grooved block 38 Support leg 39 Support leg 40 Mounting upper plate 41 Mounting lower plate 42 Upper opening opening 43 Lower opening opening 44 Upper notch 45 Upper notch 46 Upper notch 47 Lower side Notch 48 Lower notch 49 Lower notch 51 Air cylinder 52 Air cylinder 53 Telescopic shaft 54 Extension Reduced shaft 55 Hooking member 56 Hooking member 61 Electrostatic coating film 62 Edge 63 End face 64 Paint particles

Claims (1)

It is used to hold a number of workpieces stacked in multiple columns in multiple rows and carry them into the electrostatic coating machine and carry them out after electrostatic coating by the electrostatic coating machine. A hanger post having a hanging hook at the upper end, left and right upper arms and left and right lower arms provided on the hanger post in an upper and lower arrangement, and a non-stretchable downward shaft provided at the tip of each upper arm, An upper center plate that presses the upper end surface of the work fixed to the lower end of the downward shaft, a telescopic upper shaft provided in a state where the movable shaft returns to the upper end of each lower arm, and an upper end of the movable shaft A two-row hanger for suspending and conveying a workpiece of an electrostatic coating machine, comprising a lower center plate with which a lower end surface of the workpiece provided on the upper surface is in pressure contact, and a hook portion provided at the lower end of the movable shaft.

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