JPH0664709A - Bar material storage device - Google Patents

Abstract

PURPOSE:To provide a bar material storage device which can store a lot of various bar materials and select the desired bar material from a lot of bar materials to supply it to a bar material processing machine easily while supplying the bar material to the bar material processing machine quickly. CONSTITUTION:A bar material storage device is constructed in such a way as comprising a rack frame 19 provided with multiple columns of pallet storage racks 17 which store pallets 15 loaded with multiple bar materials B to be loaded/unloaded freely, an elevator device 23 which is installed on the one side of the rack frame 9 to be freely vertically movable, and provided with a traverser 21 freely reciprocatably which is used for loading/unloading each pallet 15 to/from each pallet storage rack 17, and a carriage feeder which feeds the bar material B on the pallet, which is pulled out from the pallet storage rack 17 by the elevator device 23 and is positioned in the predetermined position, to a bar material processing machine from the pallet 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bar stock storage device for storing and storing a large number of long bar stocks to be supplied to a bar stock processing machine such as a saw machine. The present invention relates to a bar stock storage device capable of storing a large number of bar stocks and capable of easily carrying in and out a desired bar stock with respect to the bar stock processing machine.

[0002]

2. Description of the Related Art As prior art related to the present invention, for example, Japanese Patent Laid-Open Nos. 2-212016 and 2-145209.
No. 4, US Pat. No. 4,362,454, DE 4 published in Germany
018139A1 and the like. Further, there is PCT / JP92 / 00061 as an application related to the applicant.

Conventionally, as a structure for storing and supplying various bar materials to be supplied to a bar material processing machine such as a saw machine, as shown in the preceding example, after the bar material processing machine, There is a configuration in which a chain conveyor in a direction orthogonal to the material feeding direction such as a roller conveyor arranged on the side is provided, and the bar material to be processed is placed on the chain conveyor in the processing order.

According to this structure, the bar material on the chain conveyor is sequentially conveyed to the roller conveyor by driving the chain conveyor and is carried into the bar material processing machine by the roller conveyor to be processed. Can be unmanned.

However, in the above-mentioned structure, the bar material must be prepared on the chain conveyor in the order of processing in advance, and the bar material is stored on the chain conveyor, so that the bar material can be stored flatly. There is a problem that many bars cannot be stored.

[0006]

Therefore, there is also a configuration in which the bar stock is stored three-dimensionally. However, conventionally, in the configuration in which the rods are three-dimensionally stored, the rods are directly stored in the shelves formed in a plurality of stages. The bar material is carried in and out of each shelf by using a carry-in / carry-out device such as an overhead crane or a gantry crane.

According to the above construction, although many rods can be stored, the overall construction becomes large and
There is a problem that it takes a relatively long time to carry in and out the bar material to and from the bar processing machine.

The present invention has been made in view of the conventional problems as described above, and a first object of the present invention is to store a large number of various rods and to obtain a desired rod out of the many rods. It is an object of the present invention to provide a bar stock storage device that can be selected and easily supplied to a bar stock processing machine.

A second object of the present invention is to provide a bar stock storage device capable of rapidly supplying bar stock to a bar stock processing machine.

[0010]

In order to achieve the above-mentioned object, the present invention provides a shelf frame having a plurality of pallet storage shelves for storing a pallet on which a plurality of rods are placed so that the pallet can be put in and taken out. And an elevator apparatus provided on one side of the shelf frame so as to be movable up and down and reciprocally provided with a traverser for moving the pallets into and out of the pallet storage shelves, and the elevator apparatus. And a material feeding device that feeds the bar material on the pallet that is pulled out from the pallet storage rack and positioned at a predetermined position to the bar material processing device from the pallet.

[0011]

In the above structure, the elevator device is moved up and down along the shelf frame, and after stopping the elevator device on an appropriate pallet storage shelf of the shelf frame, the inside of the pallet storage shelf is provided by the traverser provided in the elevator device. Pull out the pallet. After that, after lowering the elevator device to the lowered position and positioning the pallet by the traverser, after relatively pushing up the bar material on the pallet positioned at the predetermined position by the material feeding device, the bar material is lengthened. By feeding the material in the direction, the material can be supplied to the bar processing machine, and the labor of the bar supply to the bar processing machine can be reduced.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to facilitate understanding, first, the overall construction of a cutting system in which a bar stock device according to the present invention is used will be described.

Referring to FIG. 1, a bar stock storage device 1 according to the present embodiment is arranged on the rear side of a bar stock processing machine 3 such as a band saw machine, and on the front side of the bar stock processing machine 3. Is provided with a cutting piece unloading device 5 that carries out the cutting piece W that has been cut by the bar processing machine 3 forward from the cutting processing position of the cutting processing machine 3.

The bar processing machine 3 is composed of a cutting machine such as an ordinary band saw machine or circular saw machine. Since this kind of bar processing machine is well known, the bar processing machine 3 is The details are omitted.

The cutting piece unloading device 5 carries out the cutting pieces W cut by the bar processing machine 3 forward, and sorts and arranges the cutting pieces W in accordance with the shape and size of the cutting pieces W. Is to have.

In order to achieve the above-mentioned function, the cutting piece unloading device 5 is provided with a carriage 9 provided with a work clamp 7 capable of clamping the cutting piece W so as to be reciprocally movable back and forth along the guide frame 11. And the carriage 9
A stock stand 13 for organizing and temporarily storing the cut pieces W is provided on the side of the passage through which the reciprocating motion of the cut pieces W reciprocates.

Therefore, the cut pieces W cut by the bar processing machine 3 are carried forward, and the cut pieces W are arranged on the stock table 13 according to the shape and size of the cut pieces W and temporarily stored. can do.

The cut pieces W on the stock table 13 are appropriately conveyed and supplied to a machine tool in the next step such as a lathe.

Since the construction of the cutting piece unloading device 5 is already known, the detailed construction of the cutting piece unloading device 5 will be omitted.

As already understood, the bar processing machine 3
Various bar materials are automatically supplied to, and if necessary, the remaining material after processing is automatically returned and stored, so that the bar material can be cut automatically. Labor saving such as cutting of various bar materials can be achieved.

Therefore, the bar stock storage device 1 according to this embodiment stores a large number of various bar stocks to be supplied to the bar stock processing machine 3 and takes out a desired bar stock from the storage position. It is configured so that it can be supplied to the material processing machine 3 and that the remaining material after processing can be stored again in the storage position.

More specifically, as shown in FIG. 2, the rod stock storage device 1 has a plurality of long rods B (including the shortened residual material after processing) placed thereon. A shelf frame 19 having a plurality of stages of pallet storage shelves 17 for storing the pallets 15 in and out, and a pallet storage shelf 17 provided on one side of the shelf frame 19 so as to be vertically movable. Traverser 2 for moving in and out of pallet 15
1. An elevator device 23 provided with 1 reciprocally movable, and the pallet storage rack 17 by the elevator device 23.
And a material feeding device 25 that feeds and feeds a desired bar material B on the pallet 15 that is pulled out from the pallet and is positioned at a predetermined position to the bar material processing machine 3.

As shown in FIGS. 1 to 3, the pallet 1 is
5 is a rectangular plate that is long in the front-rear direction and is formed by combining strip-shaped plates in a grid pattern. The pallet 15 is easily moved on both sides in the longitudinal direction (front-rear direction) of the pallet 15. Thus, the plurality of rollers 27 are rotatably attached.

A suitable number of hooks 29 are provided on one side of the pallet 15 in the left-right direction from the bottom side so that the hooks 29 can be engaged and disengaged. Further, on the upper surface of the pallet 15, a plurality of partition rollers for partitioning a plurality of long bar materials B in a direction orthogonal to the longitudinal direction and mounting the bar material B into a plurality of mounting portions. 31 stands side by side.

The shelf frame 19 is formed in a rectangular parallelepiped frame structure by a plurality of columns 33 standing upright at the corners of a rectangle and a plurality of connecting beams 35 connecting the columns 33 to each other. The pallet storage shelves 17 are vertically divided into a plurality of stages by a plurality of left and right pallet support rails 37 connecting the columns 33.

In order to move the pallets 15 into and out of the pallet storage shelves 17 provided on the shelf frame 19,
In this embodiment, the elevator device 23 is vertically movable on the left side of the shelf frame 19.

The elevator device 23 has a structure in which front and rear elevating bases 41, which are vertically guided through a plurality of guide rollers 39, are integrally connected to a support column 33 of the shelf frame 19 by a connecting member 43. As shown, it has a substantially rectangular configuration.

The elevator device 23 is attached to the shelf frame 19
In order to move up and down along the column 33, an elevator lifting / lowering device 45 is provided on the upper part of the shelf frame 19.

More specifically, a drive sprocket 47 is rotatably provided on the upper portion of the shelf frame 19, and a driven sprocket 49 is rotatably provided on the lower portion. Then, the drive sprocket 47 and the driven sprocket 49 are
The elevator device 23 is appropriately connected to the loop-shaped chain 51 wound around.

In order to rotationally drive the drive sprocket 47, an elevating motor 53 is mounted on the upper portion of the shelf frame 19, and an appropriate speed reducer such as a worm speed reducer driven by the elevating motor 53 is installed. 55 and the drive sprocket 47 are interlockingly connected via an endless chain 57.

With the above structure, when the lifting motor 53 is appropriately rotated, the speed reducer 55 and the endless chain 57 are driven.
The drive sprocket 47 is rotated in the forward and reverse directions through the, and the elevator device 23 is vertically moved along the support column 33 through the chain 51.

The positioning of the elevator device 23 at the position corresponding to each pallet storage shelf 17 in the shelf frame 19 can be easily carried out, for example, by the following configuration.

That is, for example, an appropriate sensor (not shown) or dog is provided at a position corresponding to each pallet storage shelf 17 of the shelf frame 19, and the elevator apparatus 23 is provided with the dog or sensor. Then, when the sensor is operated by the dog, the elevator device 23 is stopped from moving up and down.

Alternatively, for example, the drive sprocket 47 or the lifting motor 53 is provided with a rotation detector (not shown) such as a pulse encoder, and this rotation detector detects the lift position of the elevator apparatus 23, and the elevator apparatus 23 is desired. The elevator device 23 may be stopped from moving up and down when the elevator device 23 is positioned at a height corresponding to the pallet storage rack 17.

That is, various structures can be adopted as the structure for stopping the elevator device 23 at the height position corresponding to each pallet storage shelf 17 of the shelf frame 19.

Each pallet storage shelf 1 of the shelf frame 19
The traverser 21 for pulling out each pallet 15 in the elevator 7 onto the elevator device 23 and for storing the pallet 15 on the elevator device 23 in each pallet storage rack 17 is constructed as follows.

That is, as shown in FIG. 3, the traverser 21 is formed to be long in the front-rear direction.
On both sides in the longitudinal direction of 1, the plurality of guide rollers 61 guided by the guide rails 59 provided in the elevator apparatus 23.
Is rotatably provided.

The traverser 21 has a motor 63.
A rotary shaft 65 that is rotated by is provided long in the front-rear direction, and pinions 67 are provided at both ends of the rotary shaft 65. Each of the pinions 67 meshes with a rack 69 provided in the elevator device 23 in parallel with the guide rail 59.

Accordingly, by appropriately rotating the motor 63, the traverser 21 is moved to the guide rail 5
It is capable of reciprocating along 9.

The traverser 21 has a pallet 1
The hook 71 which can be engaged with and disengaged from the hook 29 provided in the fifth embodiment.
Is provided so that it can move up and down, that is, an actuator 73 such as an air cylinder for moving the hook 71 up and down is attached to the traverser 21, and the hook 71 can be moved up and down by driving the actuator 73. Is configured.

With the above configuration, after positioning the elevator device 23 in correspondence with the desired pallet storage shelf 17, the motor 63 is driven to bring the traverser 21 close to the pallet 15 in the pallet storage shelf 17, and the traverser 21 is moved. The hook 71 of the pallet 15 is engaged with the hook 29 of the pallet 15, and then the motor 63 is rotated in the reverse direction to retract the traverser 21 to the original position. Then, the desired pallet 15 can be taken out.

As already understood, the elevator installation 2
Of course, the pallet 15 on the No. 3 can be stored in the desired pallet storage shelf 17.

As described above, after pulling out the desired pallet 15 from the desired pallet storage shelf 17 of the shelf frame 19 onto the elevator device 23, the desired bar material B on this pallet 15 is transferred to the bar material processing machine 3. The material feeding device 25 for feeding is arranged on the right side of the shelf frame 19, as shown in FIG.

As shown in FIG. 2, the elevator device 23 is arranged on the left side of the shelf frame 19, and the material feeding device 25 is arranged on the right side of the shelf frame 19. It is necessary to move the pallet 15 to the position of the material feeding device 25.

Therefore, the lowermost pallet storage shelf in the shelf frame 19 is constructed as a pallet passage shelf 17L through which the pallet 15 can pass in the left-right direction. That is,
The elevator device 2 is installed in the pallet passing shelf 17L.
3 is positioned at the corresponding height position, the guide rails 75 and racks 77 (FIG.
(See) is provided.

Therefore, the traverser 21 provided in the elevator device 23 can move on its own in the pallet passage rack 17L from above the elevator device 23, and can move the pallet 15 through the pallet passage rack 17L. Is something that can be done.

A guide rail 79R connected to the guide rail 75 is provided on the right side of the shelf frame 19 to support the pallet 15 transferred from the elevator apparatus 23 through the pallet passing shelf 17L. A pallet support base 79 having a frame structure is provided.

As shown in FIG. 3, the material feeding device 25 is arranged in the pallet support base 79 and is a bar member on the pallet 15 supported by the pallet support base 79. B is supplied to the bar processing machine 3.

That is, as shown in FIG. 1, in relation to the bar processing machine 3, the material supply device 25 can directly supply the bar B to the bar processing machine 3. It is arranged on the rear side of the bar processing machine 3.

More specifically, the material feeding device 25 is
An elevating frame 81 (see FIGS. 3 and 4) extending in the front-rear direction (the feeding direction of the bar B) is provided. The lifting frame 81 is lifted and lowered by the operation of an appropriate number of lifting cylinders 83, and the bracket 8 is vertically movable on the upper surface of the lifting frame 81 in the grid-shaped pallet 15.
5 are set up at appropriate intervals. A feeding roller 87 for pushing up the bar B on the pallet 15 and feeding it in the front-rear direction is rotatably provided on the upper portion of each bracket 85.

More specifically, as shown in FIG. 4, the elevating frame 81 is provided with a compound chain sprocket 89 interlockingly connected to a material feeding motor (not shown). The sprocket 91 provided on the material roller 87 is interlockingly connected via a chain 93. Further, the material feeding roller 87 is appropriately inclined as shown in FIG.

Therefore, when the elevating cylinder 83 is operated to raise the elevating frame 81, the bar material B on the pallet 15 can be pushed up by the material feeding roller 87.
Since the material feeding roller 87 is slightly inclined, the bar material B pushed up is in a state of being supported by the material feeding roller 87 and the partitioning roller 31 standing on the pallet 15.

As described above, when the bar material B is pushed up by the material-feeding roller 87, the material-feeding motor is driven to rotate the material-feeding roller 87, so that the bar-shaped material B is removed. Material can be supplied to the processing machine 3.

As will be understood, according to the present embodiment, by adjusting the position of the pallet 15 with respect to the material feeding device 25 (positioning in the left-right direction in FIG. 2), the pallet 15 is placed on the pallet 15. A desired bar material B can be selected and supplied to the bar material processing machine 3 for feeding. Further, the residual material after being processed by the bar processing machine 3 can be returned and placed and stored on the pallet 15 again.

Further, as described above, while the bar B on the pallet 15 is supplied to the bar processing machine 3 to process the bar B, the hook 71 of the traverser 21 is moved from the hook 29 of the pallet 15 to the bar 29. The traverser 21 can be detached and returned to the elevator apparatus 23.

Therefore, during processing of the bar B supported by the pallet 15 on the pallet support base 79, for example, an empty pallet 15 is pulled out from the appropriate pallet storage rack 17 onto the elevator device 23, and this empty pallet is pulled out. By replenishing 15 with a new bar material B and storing it in the pallet storage shelf 17 at an appropriate position, the bar material B to be processed next can be prepared in the shelf frame 19.

That is, according to the present embodiment, a large number of various rods can be stored in the rod storage device 1, and a desired rod can be selected and automatically supplied to the rod processing machine 3. The residual material after processing and the processed material can be stored again. Further, while one pallet 15 is transferred onto the pallet support base 79 and the desired bar material B is supplied to the bar material processing machine 3 for processing, a new bar material B is replenished to the shelf frame 19. Therefore, it is possible to automate the bar processing and save labor.

FIG. 5 shows a second embodiment of the present invention. The second embodiment has a configuration in which the material feeding device 25 is arranged inside the shelf frame 19 corresponding to the position of the bar processing machine 3, and the other configurations are the same as those in the above-described embodiment. Therefore, the same reference numerals are given to the components having the same functions, and detailed description thereof will be omitted.

According to the second embodiment, the material feeding device 2
Since 5 is arranged inside the shelf frame 19,
The overall configuration can be made more compact, and space can be saved.

FIG. 6 shows a third embodiment of the present invention.
The material feeding roller 87 in the material feeding device 25 has a horizontal axis, and the material feeding roller 87 has a circumferential groove 87G on the outer peripheral surface.
It is configured as a groove roller provided with. Also, pallet 15
In FIG. 5, the partition roller 31 is omitted, and the V groove 15G is formed so as to stably support the bar B.

According to the third embodiment, even when the diameter of the bar material B changes, the bar material B is regulated by the circumferential groove 87G of the material feeding roller 87, and the central portion of the material feeding roller 87 is always maintained. It will be sent to you.

Further, the structure of the pallet 15 is further simplified.

FIG. 7 shows a fourth embodiment of the present invention. The fourth embodiment is a further improvement of the second embodiment shown in FIG. That is, in the fourth embodiment, the hooks 29 are provided on the left and right sides of the pallet 15, respectively.
And the second traverser 21A is provided on the pallet support base 79 so as to be freely movable in the left-right direction.

Since the configuration of the second traverser 21A is symmetrical and the same as that of the traverser 21 provided in the elevator apparatus 23, the components having the same functions are designated by the same reference numerals, and the details will be described in more detail. Detailed description is omitted.

According to the above embodiment, the elevator system 23
Move the pallet 15 from above to the pallet support 79,
The hook 71 of the traverser 21 provided in the elevator device 23 is disengaged from the hook 29 of the pallet 15,
After the traverser 21 is returned to the elevator device 23, the pallet 15 on the pallet support 29 can be moved in the left-right direction by the second traverser 21A on the pallet support 79.

That is, the first traverser 21 includes the pallet storage shelves 17 and the pallet support base 7 of the shelf frame 19.
It can be used only for loading and unloading pallets 15 for
The second traverser 21A can be used only for positioning the pallet 15 on the pallet support base 79.

Therefore, according to the present embodiment, the elevator device 23 is appropriately moved up and down, and the appropriate pallet 15 is pulled out from each pallet storage shelf 17 of the shelf frame 19 onto the elevator device 23, and each pallet 15 is To replenish each new pallet B with each new pallet 15 and each pallet storage shelf 1
7 and the operation of feeding the plurality of rods B placed on the pallet 15 on the pallet support base 79 to the rod processing machine 3 can be simultaneously progressed. The efficiency is improved.

[0068]

As will be understood from the above description of the embodiments, according to the present invention, a desired pallet is pulled out from a desired pallet storage shelf of a shelf frame, and a desired bar material on this pallet is sticked. Since the material can be automatically fed to the bar processing machine, it is easy to store a large number of various bar materials in advance and to supply the desired bar material to the bar processing machine from the stored bar materials. Therefore, it is possible to automate the bar processing and save labor.

[Brief description of drawings]

FIG. 1 is a perspective explanatory view schematically showing an entire cutting processing system including a bar stock device according to the present invention.

FIG. 2 is a front cross-sectional explanatory view of a bar stock device according to the present invention.

FIG. 3 is an explanatory plan view of a bar stock device according to the present invention.

FIG. 4 is an enlarged explanatory view of a material feeding device portion.

FIG. 5 is a front cross-sectional explanatory view showing a second embodiment.

FIG. 6 is an explanatory view of a material feeding device portion in the third embodiment.

FIG. 7 is an explanatory diagram showing a fourth embodiment.

[Explanation of symbols]

 15 Pallet 17 Pallet Storage Shelf 19 Shelf Frame 21 Traverser 21A Second Traverser 23 Elevator Device 25 Feeding Supply Device 31 Roller 79 Pallet Support 81 81 Feeding Roller

Claims (6)

[Claims] 1. A shelf frame comprising a plurality of pallet storage shelves for accommodating a pallet on which a plurality of rods are placed so that the pallet can be put in and taken out, and the shelf frame is provided on one side of the shelf frame so as to be vertically movable. An elevator device provided reciprocally with a traverser for moving each pallet into and out of each pallet storage rack, and a pallet pulled out from the pallet storage rack by this elevator device and positioned at a predetermined position A bar stock storage device, comprising: a bar feeder for supplying bar stock to a bar stock processing device from above the pallet. 2. The material feeding device is arranged inside or outside a pallet storage rack, and the pallet on the elevator device is movably provided to a predetermined position where the material feeding device is arranged. The rod stock storage device according to claim 1. 3. The material feeding device is provided so that the bar can be pushed up relative to the pallet positioned at a predetermined position and the bar can be fed in the longitudinal direction. The bar stock storage device according to 1 or 2. 4. A material feeding device is provided with a plurality of material feeding rollers configured to be able to push up a bar material relative to a pallet positioned at a predetermined position and to feed the bar material in a longitudinal direction. The bar stock storage device according to claim 1, 2 or 3, wherein each of the feed rollers is provided with a circumferential groove for guiding the movement of the bar in the longitudinal direction. 5. The pallet is provided with a hard roller that defines a mounting position of the bar, and the material feeding device is slightly inclined so as to position the bar toward the hard roller. The bar stock storage device according to claim 1, 2, or 3. 6. A pallet support table for supporting a pallet moved from the elevator apparatus is provided on the other side of a shelf frame having an elevator apparatus vertically movable on one side, and the pallet support table is provided on the pallet support table. The bar stock storage device according to claim 1, wherein the bar stock storage device is provided with a second traverser for moving.