JP2002177896A - Work treatment apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a work treatment apparatus which enables a worker to supply and take out a work (e.g. a footboard) to and from a treatment line, can reduce surface cleaning cost, and can realize labor saving in taking out operation. SOLUTION: Between the work take-out end 3b of a treatment line 3 and the work entry-side end 4b of a return line 4 installed in parallel with the treatment line 3, a transfer mechanism 6 is installed for transferring a work sent to the take-out end 3b of the treatment line 3 to the work entry-side end 4b of the return line 4; an entry- side waiting section 1 for a work to be treated is installed at a work entry-side end 3a of the treatment line 3; an exit-side waiting section 2 for a treated work is installed at a work take-out end 4a of the return line 4; and at above between the entry-side waiting section 1 and the exit-side waiting section 2, a handling mechanism 8 is arranged for transferring a work. The handling mechanism 8 conducts the transfer of work from the entry-side waiting section 1 to the work entry-side end 3a of the treatment line 3, the transfer of a treated work A from the work take-out end 4a of the return line 4 to the exit-side waiting section 2, and the transfer of a work A from the entry-side waiting section directly to the exit-side waiting section 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work processing apparatus for removing deposits and the like on a work such as construction materials, and more particularly, to supply of a work to a processing line from an entrance side standby portion and exit from a return line. The present invention relates to a labor-saving processing apparatus in which a single worker can take out a work to a side standby unit and directly transfer a work from an entrance standby unit to an exit standby unit.

[0002]

2. Description of the Related Art For example, a scaffold plate as a construction material may adhere to concrete or paint, and it is necessary to remove these deposits at the time of collection after use to prepare for reuse. The scaffold plate must be treated with keren.

[0003] As a conventional apparatus for automatically performing the above-mentioned Keren processing, a processing machine for carrying out Keren processing is provided in the middle of a processing line, and a workpiece entering side of a processing line to be processed is provided at a work entering side end of the processing line. It has a structure in which a standby section and a discharge side standby section for processed workpieces are provided at the work take-out end.The entrance side standby section supplies the work to the work input side end of the processing line, and the processing that has passed through the processing machine. At the work take-out end, the completed work is taken out to the delivery side standby section.

[0004]

By the way, the conventional Keren processing apparatus as described above is composed of a worker for entering a work entering side end of a processing line and supplying a work in a standby section to the processing line, At the work take-out end, there must be a worker to take out the processed work to the output standby section. It is a factor to soar.

[0005] Further, a scaffold plate to be subjected to the Keren treatment is as follows:
It has a pair of hooks at both ends, and the hooks are shifted in the width direction at both ends, so if you stack them with the surface facing up, the upper and lower hooks will interfere and be stacked It becomes bulky and unstable, and therefore, it is preferable that at least the stacking of the scaffolding plate at the exit side standby part is alternately turned upside down so that the hooks do not interfere with each other. Since the processing is performed at a constant rate, the work of reversing the scaffolding plate is added to the stacking work of the scaffold boards taken out at the delivery side waiting unit, and the taking out work at the delivery side waiting unit becomes heavy labor.

Therefore, an object of the present invention is to supply and remove a workpiece to and from a processing line by a single worker, thereby reducing the cost of removing kerren, and automatically reversing the workpiece, thereby enabling removal of the workpiece. Another object of the present invention is to provide a work processing apparatus capable of realizing labor saving.

[0007]

In order to solve the above-mentioned problems, the present invention provides two conveyor lines arranged side by side, and a work processing machine is installed on at least one of the conveyor lines. An entrance standby section for the workpiece to be processed is provided at the end of the line, and an exit standby section for the processed work is provided at the end of the conveyor line, and an upper portion between the entrance standby section and the exit standby section. A handling mechanism for transferring the work is arranged in the conveyor, and the handling mechanism supplies the work of the entrance side standby unit to one conveyor line and supplies the processed work of the other conveyor line to the exit side standby unit. This configuration employs a configuration in which the transfer and the supply of the work in the entrance standby section directly to the exit standby section can be performed.

The two conveyor lines are installed so as to convey the work in opposite directions, and a work transfer mechanism is provided between the work take-out end of one conveyor line and the work entering side end of the other conveyor line. be able to.

[0009] Further, the entrance-side standby portion and the exit-side standby portion of the work are arranged on the same straight line, and the work-entering end of one conveyor line and the work take-out end of the other conveyor line are positioned therebetween. A handling mechanism arranges a rail along the direction in which the two standby portions are arranged at an upper portion between the entrance standby portion and the output standby portion of the workpiece, and a bending member extending below the traveling member moving along the rail. The bending member is formed by vertically attaching the gripping member, and the bending member and the work gripping member are relatively movable vertically by a predetermined stroke.
The work gripping member can be configured to be rotatable at the ascending position of the vertical movable range, and the work gripping member is automatically centered in the rotation direction at the lowered position.

Further, a reversing mechanism for reversing the work on the conveyor line can be provided at a position downstream of the processing machine on the conveyor line where the processing machine is installed.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a planar layout of a work processing apparatus according to the present invention. The work processing apparatus has a work A such as a scaffold plate, which is provided with a predetermined interval between an entrance-side standby unit 1 and an output-side standby unit 2. In the meantime, the work entry side end 3a of one conveyor line 3 (hereinafter referred to as a processing line) and the work take-out end 4a of the other conveyor line 4 (hereinafter referred to as a return line) are positioned therebetween. In the middle of the processing line 3, a processing machine 5 such as a striking or brush type work scraping machine is arranged, and between the work take-out end 3b of the processing line 3 and the work entering side end 4b of the return line 4, A transfer mechanism 6 for feeding the work A sent to the work take-out end 3b of the processing line 3 to the scaffold plate-side end 4b of the return line 4, and a position downstream of the processing machine 5 of the processing line 3; work The reversing mechanism 7 for reversing provided, has a structure in which a handling mechanism 8 for transferring the workpiece A on the top between the entry side stand portion 1 and the exit-side standby section 2.

The processing line 3 uses a roller conveyor 9 driven by a motor, and the work A is
a is transferred to the work take-out end 3b in the longitudinal direction while supporting the surface upward and horizontally, and the work A passes through the processing machine 5 during the transfer, thereby removing the deposits on the surface and side surfaces. Will be done.

The return line 4 is arranged in parallel with the processing line 3 at a predetermined interval. The return line 4 supports the work A horizontally by using a roller conveyor 10 driven by a motor, and supports the work A in the longitudinal direction. The transfer is performed in a direction opposite to the processing line 3.

The transfer mechanism 6 is located below the take-out end 3b of the processing line 3 and the entrance end 4b of the return line 4 and forms a return line 4 as shown in FIGS. A frame 11 has a front end having a length extending below the processing line 3, and a front end side of the frame 11 gently bends upwardly to pivotally lift a swinging rod 12 of a work A. Is supported by the cylinder 13.

When the swinging rod 12 is at the standby position, as shown by the solid line in FIG. 6, it is at the lowered position located below the rollers of the processing line 3 and the return line 4, and when the work A is transferred. As shown by the one-dot chain line in FIG. 3, the cylinder 13 extends to a raised position protruding above the rollers of the processing line 3 and the return line 4 when the cylinder 13 is extended. A is lifted to slide the work A on the return line 4, and the work A is returned to the lowered position while leaving the work A on the roller of the return line 4. In addition, a stopper 14 for stopping the workpiece A that has slid and moved on the roller is provided at a side portion of the entry side end 4b of the return line 4.

The above-described transfer mechanism 6 has a take-out end 3b of the processing line 3 and a return line 4 in addition to the structure shown in FIG.
An up-down conveyor that is orthogonal to both lines 3 and 4 is arranged below the entry side end 4b of the workpiece, and the work A on the processing line 3 is lifted by the ascending of the conveyor, transferred to the return line 4, and lowered. And a pusher for pushing the work A on the processing line 3 onto the return line 4 may be adopted.

As shown in FIGS. 6 to 8, the reversing mechanism 7 is provided at a lower portion of the processing line 3 at the take-out end 3 b, substantially in the center in the width direction, and substantially 90 times along the width direction of the processing line 3.
A work upright rod 15 with a strong angle undulatingly arranged;
Similarly, it can be freely raised and lowered in the same direction, and is formed by a work receiving and falling rod 16 arranged at a position near the return line 4,
When reversing the work A on the processing line 3, first,
The work raising rod 15 rises and turns to lift the work A from one side edge and raises the work A on the processing line 3, and at the same time, the work receiving and falling rod 16 also rises and turns. , Work upright rod 15 is slightly down and down
The work A standing on the processing line 3 and falling is received by the folding rod 16 by the inclination angle to the side 6, and when the folding rod 16 falls down to the return line 4, the work A is In this state, the swinging rod 12 of the transfer mechanism 6 rotates to the ascending position, receives the work A from the falling and falling rod 16, and slides the work A to the entry side end 4b of the return line 4. As a result, the work A is transferred from the processing line 3 to the return line 4 in an inverted state.

On the entrance standby section 1 for the work A, a plurality of vertically stacked works A are supported, and a roller for moving the work A to a position close to the side at the entry end 3a of the processing line 3 is supported. A roller conveyor for stacking a large number of works A taken out from the take-out end 4a of the return line 4 on the delivery side standby section 2 and moving the work A to a required portion is also provided on the delivery side standby section 2. 18 are arranged. Therefore, both roller conveyors 17, 18
Is perpendicular to the moving direction of the work A due to the above, and the work transfer direction of the processing line 3 and the return line 4 is perpendicular to each other. The end 4a is located.

The handling mechanism 8 is shown in FIGS.
As shown in the figure, columns 19 are erected at the rear positions of the two roller conveyors 17 and 18, respectively, and the standby direction of the two standby units 1 and 2 is located above the work A on the entrance side standby unit 1 and the output side standby unit 2. 21 provided with a beam member 20 extending along the upper end of a support 19
A work gripping member 25 is vertically movably attached to a lower portion of a traveling member 23 that moves along the upper and lower rails 22 of the beam member 20 via a bending and stretching member 24. 23 is a roller conveyor 17, 18
Is moved at a position substantially coincident with the center line in the width direction.

Rails 22 are provided above and below the beam member 20 made of the above-mentioned steel mold, and racks 26 such as chains are provided along the longitudinal direction at upper and lower intermediate portions, respectively. A traveling member 23 is a vertical traveling plate disposed on the front side. Rollers 28 that roll along the rails 22 are mounted above and below the rails 27, and a pinion 30 that meshes with the rack 26 is driven by a traveling motor 29 attached to the traveling plate 27 as shown in FIG. 27 is the beam member 20
It is formed so as to be able to reciprocate along the length direction.

The bending member 24 is provided with a hoisting drum 32 driven by a hoisting machine 31 at an upper part of the front surface of a traveling plate 27, and the upper end of an upper arm 34 is attached to a horizontal shaft 33 attached to a lower part of the front surface of the traveling plate 27. Pivoted and pivoted at the upper end of the lower arm 36 to a horizontal intermediate shaft 35 supported at the lower end of the upper arm 34,
A horizontal mounting shaft 37 supported by the lower end of the lower arm 36 while allowing the upper arm 34 and the lower arm 36 to flex and extend.
The suspension member 38 of the work gripping member 25 is suspended in a suspended state, and the horizontal shaft 33 and the intermediate shaft 35, the intermediate shaft 35 and the mounting shaft 3
7 is a sprocket 39, 40 fixed to each shaft.
The endless chains 43 and 44 are wound around the shafts 41 and 42, so that the rotation is interlocked and the mounting shaft 37 moves vertically up and down when the upper arm 34 and the lower arm 36 bend and extend. A movement similar to the movement can be obtained.

As described above, if only the two arms, the upper arm 34 and the lower arm 36, obtain the same movement as the parallelogram movement, when both arms 34, 36 are bent,
There is no forward protrusion, and the front work space can be widely and effectively used, and the work is facilitated and the safety is improved.

The above-mentioned wire 45 whose end is fixed to the traveling plate 27 and drawn downward is wound around a pulley 46 (see FIG. 5) fixed at the center of the mounting shaft 37 and then turned upward. Winding is performed by the winding drum 32 and the winding drum 3
By unwinding and winding up the wire 45 by 2, the upper arm 34 and the lower arm 36 bend and extend, thereby vertically moving the mounting shaft 37.

Instead of the hoisting machine 31 and the hoisting drum 32, a balancer having winding elasticity commensurate with the weight of the work A and the work holding member 25 is used, and the work holding member 25 is manually moved up and down. You may make it move.

As shown in FIG. 5, the work gripping member 25 is provided with a fixed contact member 48 for one side surface of the work A at a lower position at one end of a horizontal rod 47 corresponding to the width direction of the work A. A movable contact member 49 for the other side of the work A is provided below the other end of the horizontal rod 47 so as to advance and retreat with respect to the fixed contact member 48 by a driving device 50 such as an electric cylinder. It can be held between both sides in the width direction.

At the center of the upper surface of the horizontal rod 47, a holder tube 51 is provided.
By fixing the holder tube 51 and the suspension member 38 in the vertical direction, the workpiece gripping member 25 is attached to the lower end of the bending member 24 in a suspended manner.

FIG. 5 shows a structure for attaching the work gripping member 25 to the bending and stretching member 24. A holder tube 51 fixed to the center of the upper surface of the horizontal rod 47 is formed in a rectangular trapezoidal hole 52 having a small diameter in the upper part. A square trapezoidal hole 5 is formed at the lower end of the lower member 38.
Square trapezoidal block 5 fitted so that it can move up and down to 2
3 is fixed, and the suspension member 38 is provided with a spring 54 which constantly presses down the holder cylinder 51.

When the hanging member 38 is lowered with the horizontal rod 47 resting on the work A, the rectangular trapezoidal block 53 moves to the lower part of the rectangular trapezoidal hole 52 as shown by a dashed line in FIG. As a result, a play can be made between the rectangular trapezoidal hole 52 and the horizontal rod 47 can be rotated in a plane in this play range.
When the width direction of the work A and the length direction of the horizontal rod 47 do not match, and the work A is sandwiched and held from both sides in the width direction, the length direction of the horizontal rod 47 will be along the width direction of the work A. Thus, the work A can be held without any trouble.

When the bending and stretching member 24 is to be bent and lifted while holding the work A, first, the rectangular trapezoidal block 53 rises with respect to the rectangular trapezoidal hole 52, and is indicated by a solid line in FIG. As shown in the figure, the rectangular trapezoidal block 53 is fitted into the upper part of the rectangular trapezoidal hole 52, and the horizontal rod 47 and the work A are automatically centered in the rotation direction by this fitting. An attitude in which the width direction of the work A coincides with the moving direction is obtained.

An operating rod 55 arranged perpendicular to the longitudinal direction of the horizontal rod 47 is attached to an end of the mounting shaft 37 of the bending and extending member 24 so as to protrude forward. A switch for operating the hoisting machine 31 to move the workpiece gripping member 25 up and down, a switch for operating the motor 29 to move the traveling member 23 along the rail 22, and a driving device 50 for the workpiece gripping member 25. Activate,
A switch box 56 having a switch for holding and releasing the work A is attached.

The work processing apparatus according to the present invention has the above-described configuration. Next, a method for removing the work using the processing apparatus will be described.

A work A such as a used scaffold plate collected from a construction site is placed on the roller conveyor 17 in a state where a large number of the work A are stacked, for example, with the surface facing upward, and the work A enters the roller conveyor 17. It is fed to a position close to the side at the entry side end 3a of the processing line 3 serving as the side standby unit 1.

[Supply of Work to Processing Line] The worker stands in front of the operating rod 55 projecting forward of the bending member 24, holds the switch box 56, operates each switch, and operates the entrance side standby unit 1 Are taken out one by one from above and supplied to the entrance 3a of the roller conveyor 9 of the processing line 3.

The work A is supplied to the roller conveyor 9 by operating the hoisting machine 31 to wind up the wire 45.
The work gripping member 25 is raised to a position higher than the work A in the entrance-side standby unit 1, and thereafter, the traveling member 23 is moved along the rail 22 under the control of the motor 29, and the work gripping member 25 is moved in. Then, the hoisting machine 31 is operated to draw out the wire 45, the work gripping member 25 is lowered, and the horizontal rod 47 is moved.
Is placed on the upper surface of the uppermost work A.

Subsequently, the driving device 50 of the workpiece gripping member 25
Is contracted, and the fixed contact member 48 and the movable contact member 49
When the work A is sandwiched and held from both ends in the width direction, the wire 45 is wound up by the operation of the hoisting machine 31, the work A is lifted, and the traveling member 23 is moved along the rail 22;
Roller conveyor 9 of processing line 3 lifts work A
In this position, the hoisting machine 31 is operated to draw out the wire 45, the work gripping member 25 is lowered, and the work A is lowered onto the roller conveyor 9 of the processing line 3, Driving device 5 for work gripping member 25
When the work A is extended by the extension operation to release the holding, the work A is taken out of the processing line 3 by the roller conveyor 9 toward the takeout end 3b. .

As described above, the operator stands in front of the operating rod 55 projecting forward of the bending member 24, holds the switch box 56, operates each switch, and moves the traveling member 23 laterally and grips the workpiece. While following the up-and-down movement of the member 25, the works A in the entrance-side standby section 1 are taken out one by one from above and supplied onto the roller conveyor 9 of the processing line 3.

When the processed work A having passed through the processing line 3 reaches the take-out end 3b and comes into contact with the stopper, the work A is supplied to the entry end 4b of the return line 4 by the operation of the transfer mechanism 6 and the reversing mechanism 7. Then, it is sent toward the take-out end 4 a of the return line 4. The transfer mechanism 6 operates every time the processed work A reaches the take-out end 3a of the processing line 3, whereas the reversing mechanism 7 operates every other sheet to reverse the work A. As a result, each work A that has been subjected to the keren treatment on the processing line 3 with its surface facing upward is sent onto the return line 4 in an alternate state.

[Removal of Work from Return Line] When the processed work A reaches the outgoing end 4a of the return line 4 and comes into contact with the stopper and stops, the worker moves the bending and stretching member 24.
Standing in front of the operating rod 55 protruding forward of the traveling member 23, the switch box 56 is held and each switch is operated to operate the traveling member 23.
Is moved along the rail 22 so that the workpiece gripping member 25 faces directly above the workpiece A to be stopped at the take-out end 4a of the return line 4, and the hoisting machine 31 is operated to feed out the wire 45, and the workpiece gripping member is moved. 25, the horizontal rod 47 is placed on the upper surface of the work A, and the driving device 50 of the work gripping member 25 is moved.
Is contracted, and the fixed contact member 48 and the movable contact member 49
When the work A is sandwiched and held from both ends in the width direction, the wire 45 is wound up by the hoisting machine 31, the work A is lifted, the traveling member 23 is moved along the rail 22, and the lifted work A is moved to the exit standby portion. The work A is sent back and forth on the return line 4 alternately, so that the scaffold plate A is alternately placed on the roller conveyor 18 of the exit standby unit 2. Are stacked. By alternately stacking the front and back surfaces, the interference of the hook portions of the upper and lower works A can be released, and the work A can be stably stacked at a low volume.

[Transfer of Work from Inlet Standby to Outlet Standby] Among the used works A collected from the construction site, there are also used works A having no attached matter. Does not need to be cleaned, so
When there is such a work A, the worker holds the switch box 56 and operates each switch to take out the work A in the entrance side standby unit 1 and put it up to just above the exit side standby unit 2. The workpiece A is moved directly and the work A
It will be operated so that it is lowered.

As described above, the supply of the work A from the entrance standby unit 1 to the processing line 3, the removal of the scaffold plate A from the return line 4 to the exit standby unit 2, the exit from the entrance standby unit 1 to the exit side The work A can be directly transferred to the standby section 2 by one worker, and these works can be performed by a switch operation. The worker can move the traveling member 23 and move the switch box 56 up and down. Since it is only necessary to follow, the work is labor-saving and no burden is imposed, and the traveling member 23, the bending and stretching member 24, and the work holding member 25 can all be shared for the above-mentioned work.

[0042]

As described above, according to the present invention, the supply and unloading of the work to and from the processing line can be performed by one worker, and the processing cost can be reduced by reducing the labor cost required for the processing such as keren processing. , And labor saving of the take-out operation can be realized.

Also, since the work is automatically reversed when the work is transferred from the processing line to the return line, if the work is a scaffold plate, the work can be alternately stacked on the front and back, and the scaffold plate can be stably mounted. In addition, they can be stacked low in volume.

Further, the work gripping member is provided with a planar rotation and automatic centering function at the time of lifting, so that when the work is gripped, even if the direction of the work and the work gripping member do not match, the work gripping member may be flat. The work can be reliably gripped by the proper rotation, and the direction of the work can be oriented at a constant time during lifting, so that the supply and removal of the work can be performed without any trouble.

[Brief description of the drawings]

FIG. 1 is a plan view of a work processing apparatus.

FIG. 2 is an enlarged plan view showing a handling mechanism of the work processing apparatus.

FIG. 3 is a front view of a handling mechanism.

4A is an enlarged front view of a main part of a handling mechanism, FIG. 4B is a longitudinal sectional view of the traveling motor part, and FIG. 4C is a side view of an intermediate shaft part;

FIG. 5A is a longitudinal sectional side view in which an attachment structure of a workpiece gripping member and a bending member of a handling mechanism is enlarged, and FIG.
Is a cross-sectional view taken along arrow bb in FIG.

FIG. 6 is a side view showing a transfer mechanism and a reversing mechanism.

FIG. 7 is a side view showing the transfer mechanism and the reversing mechanism during the reversal of the workpiece.

FIG. 8 is a side view of a work reversing state showing a transfer mechanism and a reversing mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stand-by part of work entrance side 2 Stand-by part of work discharge side 3 Processing line 4 Return line 5 Processing machine 6 Transfer mechanism 7 Inversion mechanism 8 Handling mechanism

Claims (4)

[Claims] 1. A two-line conveyor line is provided side by side, a work processing machine is installed on at least one of the conveyor lines, and a work entry side standby unit to be processed is provided at an end of the one conveyor line; On the other hand, at the end of the conveyor line is provided an exit standby section of the processed workpiece, and a handling mechanism for transferring the workpiece to an upper portion between the entrance standby section and the exit standby section is arranged. Transfer of supplying the work of the entrance standby unit to one conveyor line, transfer of the processed work of the other conveyor line to the exit standby unit, and supply of the work of the entrance standby unit directly to the exit standby unit A work processing device that can also be used for transfer. 2. The two conveyor lines are installed so as to convey a work in opposite directions, and a work transfer mechanism is provided between a work take-out end of one conveyor line and a work entering side end of the other conveyor line. The work processing apparatus according to claim 1, further comprising: 3. The inlet-side standby portion and the outlet-side standby portion of the work are arranged on the same straight line, and a work-entering end of one conveyor line and a work take-out end of the other conveyor line are positioned therebetween. The handling mechanism arranges a rail along the direction in which the two standby portions are arranged at an upper portion between the entrance standby portion and the output standby portion of the work, and a bending member at a lower portion of the traveling member moving along the rail. The workpiece gripping member is formed by being vertically movable, and the bending member and the workpiece gripping member are relatively movable up and down a predetermined stroke,
The work processing apparatus according to claim 1, wherein the work gripping member is rotatable at an ascending position of the vertical movable range, and the work gripping member is automatically centered in the rotation direction at the lowered position. 4. A reversing mechanism for reversing a workpiece on a conveyor line at a position downstream of the processing machine on a conveyor line on which the processing machine is installed. The work processing apparatus according to the above.