JPH05201505A - Stock equipment for workpiece - Google Patents

Abstract

PURPOSE:To save the space for the work stock equipment and to reduce the cost thereof by taking out works from plural work bearing racks and transfer- loading works to the work bearer without adopting the conventional truck traveling form. CONSTITUTION:A slide rail 10 including work delivery racks 12 is provided in a cantilever state on a rail 8 capable of freely elevating a swivel post 3 in such a manner as to be projected on both right and left sides, and a work bearer and plural work bearing racks are disposed in such a manner as to rotate round the turning center of the post 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for improving work stock equipment, which allows work to be carried in and stocked and carried out as needed.

[0002]

2. Description of the Related Art The above-mentioned work stock equipment is arranged, for example, in the middle of various assembly lines to temporarily stock the work processed in other places, and if necessary, the work is placed on a work cradle on the line side. It is used for transferring or placing the stocked unprocessed workpieces on the workpiece cradle on the processing machine side, which is placed near the workpiece processing machine and restocking the processed workpieces. It is something.

FIG. 9 shows an example of the conventional construction of such stock equipment, assuming that the stock equipment is arranged in the middle of the assembly line. In the figure, 51 is a carriage that can reciprocate along a line conveyor 52, a swivel base 54 on which a post 53 is erected is provided so as to swivel around a vertical axis, and a slide member is provided on the post 53. A slide mechanism 56, which is provided with 55 that can be driven horizontally in one direction, is provided so as to be driven up and down. Reference numeral 57 is a delivery stand provided on the slide member 55 for loading and unloading the work.

Reference numeral 58 designates a work receiving rack having a plurality of stock portions for transferring and receiving the work above and below. Generally, in order to increase the number of stocks of the work while keeping the total height low, a plurality of work receiving racks 58 (3) are provided. Bases) are arranged side by side in the moving direction of the dolly 51. Reference numeral 59 denotes a work cradle arranged near the conveyor 52, which temporarily holds the work when the work is transferred from the work receiving rack 58 to the conveyor 52.

According to such a construction, by running the carriage 51, moving the slide mechanism 56 up and down, moving the fork member 55 back and forth, and turning the post 53, any stock portion of any of the plurality of work receiving shelves 58 can be obtained. Even the works that are stocked in the above can be transferred to the work receiving table 59 on the conveyor 52 side.

[0006]

However, in the above-mentioned structure, the work cradle 59 is arranged near the conveyor 52, and the work cradle is sandwiched across the traveling range of the carriage 51.
In order to install a plurality of work receiving shelves 58 on the side opposite to 59, a large space is required, and in addition, in order to safely and stably travel the dolly 51 on which heavy work is placed,
Since the trolley 51 needs to have a sturdy frame structure and further requires an expensive drive means for traveling the trolley, there is a problem that the equipment cost is high. The present invention, by the extremely rational improvement, without taking the form of trolley traveling,
The purpose is to save space and reduce the cost of stock equipment by making it possible to take out work from multiple work receiving shelves.

[0007]

In order to achieve the above object, the stock equipment for a work according to the present invention has a slide rail equipped with a work transfer stand for a rail which can be raised and lowered and swiveled around a vertical axis. And a plurality of upper and lower work support pedestals for the work transfer rack, and a plurality of stock units for transferring the work to the rack, which are arranged to project freely on both left and right sides in a single supporting state. It is characterized in that the base work rack is arranged around the turning center of the lifting rail.

[0008]

According to the above-mentioned characteristic structure, one side of the slide rail with respect to the elevating rail is protruded to the left and right sides, and the hoisting and lowering operation of the elevating rail causes the stocking in any of the stock portions of the plurality of work receiving shelves. Even if the work is still on, it is transferred to the work cradle.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the main part of the work stock equipment, and FIGS. 2 and 3 show the whole stock equipment. In these figures, 1 is a fixed base, 2 is a swivel base in which a post 3 is erected, a large-diameter internal gear 4 around the longitudinal axis is provided, and a pinion 5 meshing with the gear 4 is provided. The post 3 is integrated with the swivel base 2 and is driven and swung about the vertical axis as a center P by a motor 6 that is continuously provided.

Reference numeral 7 denotes a slide rail mechanism, which is an elevating rail 8 which can be driven up and down along a post 2 which can be swiveled around the center P, and an intermediate portion which is vertically supported along the elevating rail 8 in a single-supported state. Rail 9 and this intermediate rail 9
Along with the slide rails 10 projecting to the left and right sides in a single-supported state, and at the middle of the rail base 11 of the slide rails 10 on both sides in the width direction, a slender type work piece. A delivery stand 12 is erected.

Reference numeral 13 is a driving means for driving the slide rail mechanism 7 up and down. A pair of upper and lower sprockets 15 and 16 having a motor 14 connected to the lower side are pivotally attached to the upper and lower sides of the post 3 and the sprocket is also provided. An endless chain 17 is wound around 15 and 16, and the lifting rail 8 is connected to the chain 17.

Reference numeral 18 denotes a rail driving means, which is the lifting rail 8
A motor 21 in which a drive gear 20 is continuously provided is provided on the lower surface side of the rail base 19 and two gears 22 meshing with the drive gear 20 are partially protruded above the rail base 19 and the rail 22 is engaged. The two gears pivotally attached to the base 19 and
A rack 23 that meshes with a rail 22 of an intermediate rail 9
It is provided in. Then, the idle gears 25 are provided on both left and right sides of the rail base 24 with the rack 23 interposed therebetween, and the chain 26 is wound around the idle gear 25, and one end of the chain 26 is attached to the rail base 19 of the lifting rail 8. The other end is fixed to the rail base 11 of the slide rail 10.

Thus, the intermediate rail 9 is moved to the left and right sides as the motor 21 is driven in the forward and reverse directions, and as the intermediate rail 9 is moved, the intermediate rail 9 is doubled in speed in the same direction as the intermediate rail 9. The slide rail 10 is moved by. That is, the slide rail 10 provided with the work transfer base 12 is configured so as to project to the left and right sides of the elevating rail 8 in a one-sided supported state.

Reference numeral 27 denotes a work cradle disposed between the swivel base 2 and the conveyor 28 of the assembly line, and is attached to the slide rail 10 in a state in which the slide rail 10 is supported and protruded toward the conveyor 28 side. It is provided at a position where the phase in plan view coincides with that of the work transfer stand 12 thus made. 29
Is the conveyor 28
The work transfer device for transferring to the conveyor 28
A work chuck 31 is provided on a frame 30 that is reciprocally driven in a direction traversing.

Reference numeral 32 denotes a work cradle 27 with the swivel base 2 interposed therebetween.
With three work receiving shelves arranged on the side opposite to the above, a plurality of upper and lower stock parts 33 for stocking the work are provided on the shelf frame 34, and the vertical intervals of the stock parts 33 are set to one side of the slide rail 10. The dimensions are set such that the support protrusion is allowed, and the work transfer pedestal 12 and the stock portion 33 are configured to have the same phase in plan view in a state where the slide rail 10 is supported by one side.

In the work stocking equipment configured as described above, when the work W is supplied to the lowest stocking part 33 by, for example, a forklift, as shown in FIGS. The slide rail 10 is supported on one side and the elevating rail 8 is slightly lifted, so that the work W is taken into the work delivery base 12. Next, the slide rail 10 is driven to retreat, the gantry 12 that has loaded the work W is returned to the turning center P side, and the work transfer gantry 12 is made to correspond to the empty stock portion 33, the elevating rail 8 And the post 3 is swung as necessary, and here, one-sided projection of the slide rail 10 and the lowering of the elevating rail 8 and the slide rail 10 are moved.
Has been retired and the work W for the specified stock part 33 has been completed.
Is transferred.

The work W thus stocked is transferred to the receiving table 27 in the following manner. That is, the work transfer base 12 is positioned corresponding to the workpiece W to be taken out by the turning of the post 3 and the elevating / lowering of the elevating / lowering rail 8, the slide rail 10 is supported by one side and the elevating / lowering rail 8 is slightly lifted, Next, the slide rail 10 is retracted, the elevating rail 8 is lowered, the post 3 is rotated as necessary, and the work delivery base 12 is aligned with the position corresponding to the work reception base 27. Here, the slide rail 10 is one-sided and projected on the opposite side (conveyor 28 side), the elevating rail 8 is slightly lowered, and the slide rail 10 is retracted, so that the work from the work transfer stand 12 is The work W is transferred to the cradle 27.

According to the work stock facility having the above configuration,
The post 3 provided with the lifting rails 8 is freely rotatable, and the slide rails 10 are projected to the left and right sides of the lifting rail 8 in a one-sided supported state. It is possible to take out the works from the plurality of work receiving shelves 32 and to transfer the works to the work receiving table 27 without being provided and moved. Further, by arranging a plurality of work receiving shelves 32 around the turning center P of the post 3, as is apparent in FIG. 5, the installation space Q of the stock equipment is compared with the conventional installation space R (see FIG. 9) R. Will be greatly reduced.

FIG. 6 shows an essential part of another embodiment of the work receiving rack 32. A guide rail 35 for supplying a work is provided in the lowest stock portion 33, and a stopper 36 is provided in the middle of the guide rail 35. And a cylinder type drive means 37 for switching the stopper 36 to the non-stopper state.
Is provided, and the lowest stock part 33 is dedicated to taking in a work.

In the embodiment, the example in which the stock equipment for the work is installed side by side on the assembly line has been shown. However, it is possible to change the structure so that the stock equipment is installed side by side on the work processing machine. In the case of installing the table, as shown in FIG. 7, each work processing machine 38 may be installed around the turning center P of the post 3 and the work receiving table 27 may be installed near the processing machine 38.

FIG. 8 shows a swivel structure of an elevating rail 8 according to another embodiment. In this embodiment, the post 3 is erected on a fixed base, and a member which can be moved up and down along the post 3 is provided.
While a horizontal bracket 40 is continuously provided on the rail 39, a rail receiving member 42 is provided on the horizontal bracket 40 via a bearing 41 so as to be rotatable around a vertical axis P, and the rail receiving member 42 is also provided.
In this embodiment, the lifting rail 8 is attached to the upper and lower parts.
It is characterized in that the elevating rail 8 including the slide rail 10 to which 12 is attached is made rotatable and the post 3 is fixed. In each of the above-described different embodiments, the same components as those of the embodiment structure are designated by the same reference numerals.

[0022]

As described above, according to the present invention, it is possible to take out a work from a plurality of work receiving shelves and to place a work on a work receiving base without moving the post by mounting it on the carriage as in the prior art. The transfer of the stock equipment is carried out, and a large cost reduction of the stock equipment can be achieved by omitting the trolley having a sturdy frame structure and the trolley driving means. Moreover, by arranging a plurality of work receiving shelves around the turning center of the post, a large space saving was achieved at the same time.

[Brief description of drawings]

FIG. 1 is a perspective view showing a post and a slide rail mechanism.

FIG. 2 is a side view of a work stock facility.

FIG. 3 is a plan view of work stock equipment.

FIG. 4A to FIG. 4C are diagrams for explaining transfer of a work.

FIG. 5 is a diagram showing an installation form of stock equipment.

FIG. 6 is a side view of a main part of a work receiving rack according to another embodiment.

FIG. 7 is a diagram showing an installation form of stock equipment according to another embodiment.

FIG. 8 is a form view of turning of a lifting rail according to another embodiment.

FIG. 9 is a diagram showing an installation form of a stock facility of a conventional example.

[Explanation of symbols]

3 ... Post, 8 ... Lift rail, 10 ... Slide rail, 12
… Work transfer stand, 27… Work stand, 32… Work shelf, 33… Stock section, P… Center of turning.

Claims (1)

[Claims] 1. A slide rail provided with a work transfer stand is provided so as to project to left and right sides in a single-supported state with respect to a rail that can be raised and lowered and swiveled around a vertical axis center, and is used for transferring work to the work transfer stand. And at least one work receiving rack, and a plurality of work receiving shelves provided with a plurality of stock portions for transferring work to and from the gantry are arranged around the turning center of the elevating rail. Stock equipment for the work to be done.