JPH018300Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a mobile workbench used for assembly, inspection, adjustment, etc. of products.

For example, a product such as a copying machine assembled in a factory is placed on a pallet and transported by a conveyor, and various inspections and adjustments are made during the transport to create a finished product. This inspection and adjustment requires electricity, so the power source is installed below the pallet, and in order to inspect and adjust the product down to the smallest detail, it is necessary to rotate the pallet on which the product is placed. The sex was hot.

A conventional device for achieving this purpose includes a base frame provided with a base plate having a predetermined width and extending along a working area at a predetermined height from the floor. A conveying device such as a roller conveyor is disposed on both side edges of this base plate, a rectilinear table such as a pallet is mounted on the roller conveyor, and the rectilinear table is caused to travel straight by driving the roller conveyor. By mounting the rectilinear table on roller conveyors disposed on both sides of the base plate, a gap can be formed between the rectilinear table and the base plate, and a power source is disposed in this gap. That is, a power supply device such as a current-carrying rail is provided on the base plate, and a current collector such as a current collector is provided on the lower surface of the translation table, and while the translation table is being transported, the power supply device on the base plate and the translation table are connected to each other. Electricity is supplied to the rectilinear platform through sliding contact with the current collector.

A receiver is fixed to the center of the rectilinear table, and a pallet-like rotary table rotatably supported by a rotating shaft fitted into the receiver is provided above the rectilinear table.

Products such as copying machines are placed on this rotary table, and various inspections and adjustments are made while rotating this rotary table. The product to be inspected and adjusted is supplied with electricity from an outlet provided on the rotary table, and this outlet is connected to a current collector provided on the underside of the rectilinear table by a power supply cord. That is, the lower translational table is connected to the upper rotating table by a power supply cord. Therefore, when the rotary table is rotated relative to the rectilinear table below for inspection and adjustment, rotation is restricted by the power supply cord, making it difficult to rotate the rotary table freely, and time is wasted for inspection and adjustment work. Further, the length of this power supply cord is limited, and as a result, a regulating means must be provided to regulate the rotation angle of the rotary table, resulting in a complicated structure and poor workability in inspection and adjustment.

The present invention was devised in view of the above-mentioned circumstances, and consists of a base frame that extends along the working area and is provided with a current-carrying rail, and a current collector that makes sliding contact with the current-carrying rail of this base frame. fixed and movable along the current-carrying rail, the center part of the upper surface side is a rectilinear platform on which an annular power supply device is disposed, and a rectilinear platform on which the annular power supply device can freely rotate around the center line of the annular power supply device. A current collecting rod having a current collector that slides on the power feeding ring of the annular current collector is suspended from the lower surface side, and current is collected from the current collector provided on the current collecting rod on the upper surface side. By providing a mobile workbench comprising at least a turntable provided with an electrical outlet, the power supply is arranged between the lower linear platform and the upper turntable. The main purpose of this invention is to provide a workbench that eliminates the need for cords and allows the upper turntable to rotate freely to improve work efficiency.

An embodiment of the present invention will be described below with reference to the drawings. In Figures 1 and 2, 1 is a base frame that extends along the working area and has height adjusters 2 and 3 that touch the floor below and a base plate 4 above. be. Chain guide rails 5 and 6 are attached to the left and right edges in the width direction of the upper surface of the base plate 4 of the base frame 1 along the extension direction of the base plate 4. Above the chain guide rails 5, 6, the outgoing roller chains 7, 9 are connected to the outgoing roller chains 7, 9.
Return roller chains 8, 10 are provided directly below the roller chains 7, 9, and a pallet-like straight platform 11 is mounted on the outward roller chains 7, 9.
is caused to move straight due to the frictional engagement force with the moving outward roller chains 7 and 9.

L-shaped brackets 12 and 13 are fixed on the base plate 4 in an upright manner in a gap l formed by the pair of chain guide rails 5 and 6, the base plate 4, and the rectilinear base 11. The base plate 4 is attached to this L-shaped bracket 12.
Upper extension direction (direction perpendicular to the paper in Figure 1)
The current-carrying rails 14 and 15, which are arranged in
3 have current-carrying rails 16 and 17 screwed to them. On the other hand, a current collector 18,
The current collector 18 has current collectors 20 and 21 projecting from above and below, and the current carrying rails 14 and 19 are fixed in a hanging manner.
15 to receive electricity, and the current collector 19 also has current collectors 22 and 23 protruding from it.
These current collectors 22 and 23 are connected to the current-carrying rails 16 and 1.
7 and receives electricity. Therefore, the straight table 11 moves straight by the roller chains 7, 9, and the current collectors 20, 21, 2 of the current collectors 18, 19
2 and 23 are in sliding contact with the current-carrying rails 14, 15, 16, and 17, respectively, and receive electricity.

In addition, a cylindrical bearing column 24 is provided at the center of the upper surface of the rectilinear platform 11.
is erected as shown in FIG. 3, and an annular power supply device 25 is integrally formed on the rectilinear base 11 by penetrating the cylindrical bearing column 24 at approximately the center thereof.
This annular power feeding device 25 has a cylindrical shape as shown in FIG. 3, and four power feeding rings 26, 27, 28, 29 are arranged on the outer peripheral surface of the device at regular intervals in the vertical direction.
The power supply rings 26, 27, 28,
A conductor introduction hole 3 bored in the side wall 30 inside the 29
One end of a conducting wire 32 led from 1 is connected, and the other end of this conducting wire 32 is connected to current collectors 18 and 19 provided on the lower surface of the rectilinear platform 11.

Furthermore, as shown in FIG. 2, an annular positioning wall 33 is integrally formed on the upper surface of the rectilinear platform 11, surrounding the annular power supply device 25, and an annular positioning wall 33 is integrally formed on the upper end surface of the annular positioning wall 33, as shown in FIG. V-shaped notch grooves 5, 36, 37, 38 are provided at predetermined intervals so that
is cut out.

As shown in FIG. 3, a support shaft 39 is fitted into the cylindrical bearing column 24 that is integrally attached to the linear table 11, and a rotating table 40 such as a pallet is integrally attached to this support shaft 39. The rotary table 40 is rotatable about the support shaft 39. Furthermore, as shown in FIGS. 1 and 2, four casters 41, 42, 43, and 44 are attached to the lower surface of the rotary table 40 and move on the upper surface of the linear table 11. Caster 41, 42, 4
Reference numerals 3 and 44 are used to stably rotate the rotary table 40 for inspecting and adjusting the products placed on the upper surface of the rotary table 40 in detail.

As shown in FIG. 3, reference numeral 45 is a current collecting rod that is vertically disposed from the bottom surface of the rotary table 40, and four current collectors 46, 47, 48, 49 are vertically arranged on this current collecting rod 45. This current collector 46, 47, 4
The collector 51 at the tip of 8, 49 is
The power supply rings 26, 27, 28, and 29 of the power supply device 25, which are integrally formed in the power supply device 1, are in sliding contact with each other. These current collectors 46, 47, 48, 49 are
With the structure shown in FIG. 4, a current collector 51 is provided protruding from the tip of a current collector box 50, a current collector base 52 is fixed to the rear of this current collector 51, and this current collector base 52 is exploded. The spring 53 is constantly pressed, and as a result, the current collector 51 is pressed outward (upward in FIG. 4), and the current collector 51 comes into contact with the power feeding rings 26, 27, 28, 29 of the annular power feeding device 25. ing. Therefore, when the rotary table 40 is rotated about the support shaft 39, the current collector 4
Since the current collectors 51 of 6, 47, 48, and 49 always rotate around the outer circumferential surface of the power supply device 25 while slidingly contacting the power supply rings 26, 27, 28, and 29 of the power supply device 25, electricity always flows through the power supply rings 26, 27, 28. , 29 to collector 5
1 to current collectors 46, 47, 48, and 49.

Furthermore, as shown in FIG. 1, a stopper device 54 is provided on the lower surface of the rotary table 40 at a position corresponding to the upper end surface 34 of the annular positioning wall 33 that is integrally formed with the linear table 11. . This stopper device 54 includes an L-shaped bracket 55 fixed to the lower surface of the rotating table 40, as shown in FIG.
A swinging rod 56 is pivotally supported below this L-shaped bracket 55 by a pivot shaft 57.

A positioning roller 59 is rotatably supported at one end of the swinging rod 56, and the positioning roller 59 is attached to the other end of the swinging rod 56 and the L-shaped bracket 55 on a pivot shaft 57 in FIG. A tension spring 58 is provided which is biased in a counterclockwise direction using the rotation axis as the rotation axis. When the rotary table 40 is rotated, the positioning roller 5 of the stopper device 54 is rotated.
9 rolls on the upper end surface 34 of the annular positioning wall 33, and the notched groove 3 is cut out in the upper end surface 34.
5, 36, 37, and 38, the rotation of the rotary table 40 is stopped and the rotary table 40 is positioned, making it easier for the operator to perform inspection and adjustment work.

Note that the positioning of the rotary table 40 by the above-mentioned cutout grooves 35, 36, 37, and 38 is appropriately set so that the front, right side, back, and left side of the product face the operator.

FIG. 6 shows another embodiment of this stopper device 54, in which a telescopic positioning protrusion 61 is elastically projected from a positioning protrusion holder 60.

As shown in FIGS. 1 and 2, a transformer 62 is attached to the bottom surface of the rotating table 40, and the electricity collected by the current collectors 46, 47, 48, and 49 is used for various products. The transformer 62 transforms the voltage as appropriate in order to adapt to the
The operator inserts the product's plug into this outlet 63 and inspects and adjusts the product.

Next, the operation of the above embodiment will be explained. The rectilinear table 11 supporting the rotating body 40 with the product W placed thereon on its upper surface is conveyed to a required work station by the outward roller chains 7 and 9. In this case, the straight platform 11
Due to the movement of
3 are in sliding contact with the current-carrying rails 14, 15, 16, and 17 respectively installed on the base plate of the base frame 1, and the electricity collected in the current collectors 18 and 19 is integrally connected to the upper surface of the straight platform 11 by a conductor 32. The power supply rings 26, 27, 28, 29 of the annular power supply device 25 are formed as follows.
guided by.

Next, the operator inserts the plug of the product W for inspection and adjustment into the outlet 63 of the rotary table 40 and performs inspection and adjustment, while rotating the rotary table 40 in order to perform even more detailed inspections and adjustments. In this case, current collectors 46, 47,
The current collectors 51 of 48 and 49 receive electricity by slidingly contacting the power feeding rings 26, 27, 28, and 29 of the annular power feeding device 25 that are integrally formed on the upper surface of the linear platform 11, so that the current collectors 51 receive electricity from the linear platform 11. The power supply cord feeding the turntable 40 becomes unnecessary, and the turntable 40 becomes so-called cordless, and as a result, the turntable 40 can freely rotate without being restricted by the cord. Finally, check
Once the adjustment is complete, the product has value as a finished product.

As described above, according to the present invention, there is provided a rectilinear table having an annular power supply device disposed in the center part of the upper surface side, and a rotary table which is supported on the rectilinear table and has a current collector, and which is disposed on the rectilinear table. Since current is collected in the annular power supply ring of the annular power supply device by the current collector provided on the rotary table, and the rotary table is freely rotated around the center line of the annular power supply device, the linear table and the rotary table are There is no need for a connected power supply cord, and the turntable can rotate freely without being restricted by the cord, which has the advantage of further improving work efficiency.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a front view, Fig. 2 is a plan view, Fig. 3 is an enlarged sectional view of the main part, Fig. 4 is a sectional view of the current collector, and Fig. 5. 6 is an explanatory diagram of the stopper device, and FIG. 6 is another embodiment of the stopper device. 1... Base frame, 11... Straight platform, 14, 15, 1
6, 17... Current carrying rail, 25... Annular power feeding device, 26, 27, 28, 29... Power feeding ring, 40...
...Rotary table.

Claims (1)

[Scope of utility model registration request] A base frame extending along the working area and provided with a current-carrying rail, and a current collector that slides in contact with the current-carrying rail of this base frame are suspended and fixed, and move along the current-carrying rail. a rectilinear platform on which an annular power supply device is disposed; a rectilinear platform supported on the rectilinear platform so as to be able to freely rotate around a center line of the annular power supply device;
A current collector rod having a current collector that slides on the power supply ring of the annular current collector is suspended on the lower surface side, and a current collector rod is provided on the upper surface side to supply electricity collected from the current collector provided on this current collector rod. A mobile workbench comprising at least a turntable having an outlet for receiving the power.