JPH07165399A - Cargo handling device for forklift - Google Patents

Abstract

PURPOSE:To sharply improve workability by a method wherein after a work inserted in and held at a frame part is pushed out by a push-out surface arranged at a moving part, the work is pushed by a pushing tool and thus a work to handle a hollow work is carried out without using a labor. CONSTITUTION:When a work R placed on a frame part 3 is transferred to a pin rack P, an electric motor 12 is run in an arbitrary direction and a moving member 5 is moved forward, and the core N of the work R is pushed out by a push surface 5A. After the work R is transferred to a pin rack P, the moving member 5 is moved backward and a push tool 4 is inclined in a horizontal state and fixed. Since the push tool 4 is provided with a contact member which can be positioned more in front than the push surface 5A, the work R is pushed to the deep position of the pin rack P through forward movement of the moving member 5 again and transfer is ensured.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forklift cargo handling apparatus capable of improving workability when handling a hollow cylindrical object.

[0002]

2. Description of the Related Art Conventionally, when a hollow cylinder (hereinafter simply referred to as "work") is loaded by using a forklift, as shown in FIG.
A ram S projecting forward is attached to a lift bracket L that can be moved up and down along, and a hollow portion of a work R is inserted and held by the ram S and conveyed.

Further, the conveyed work R is pin rack P
In the case of transferring the work to the forklift truck, the forklift is positioned in front of the pin rack P and the ram S is moved up and down to the same height as the pin rack P for positioning. It is currently being reprinted in. In addition, the work R from the pin rack P to the ram S
The same applies to the case of transferring.

[0004]

However, in such a conventional method, since the work R is transferred manually by an operator, the work efficiency is poor and it cannot be said that the work is preferable from the viewpoint of safety and hygiene. There has been a longing for improvement.

In view of the above problems, an object of the present invention is to provide a cargo handling device for a forklift truck, which can carry out cargo handling work on a hollow work without using manual labor and can significantly improve workability.

[0006]

SUMMARY OF THE INVENTION According to the present invention, there is provided a base portion mounted on a lift bracket which can move up and down along a mast, and a front portion which can move along a frame portion protruding forward from the base portion. The movable part is provided with a movable part having an extruding surface capable of abutting the hollow cylindrical work end face inserted in the frame part, and a drive means for moving the movable part along the frame part. Is based on a loading and unloading device for a forklift, which is swingably mounted with a pushing tool that can be positioned in front of the pushing surface and can come into contact with the work end surface.

[0007]

According to the first aspect of the invention, the work inserted and held in the frame portion is moved along the frame portion by the pushing surface provided in the movable portion by moving the movable portion by the driving means. Can be pushed out.

Further, as a result of pushing out the work on the pushing surface of the movable portion, further pushing a pusher tool swingably provided on the moving portion forward of the pushing surface and pushing the moving portion again by the driving means. , Work can be pushed deeply into pin racks.

Therefore, it is possible to transfer the work without using human power. Further, the work can be pushed deeper, which improves workability and ensures transfer of the work.

According to the second aspect of the present invention, the movable portion is provided with the work pulling tool having the engaging portion capable of engaging with the work held on the pin rack or the like, so that the movable portion is driven by the driving means. The work can be pulled out from the pin rack or the like to the frame portion by moving the work.

According to the third aspect of the present invention, the movable part is provided with a work pulling tool having an engaging portion that can be engaged with the end surface of the work near the hollow portion through the hollow portion of the work. Therefore, the work is particularly effective, for example, when the strength of the end face in the vicinity of the outer peripheral portion is small, such as a film wound around a winding core, only the winding core is engaged to prevent deformation of the film or the like. .

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The cargo handling device 1 includes a base portion 2,
A frame portion 3 that projects forward from the base portion 2, a movable member 5 that can move along the frame portion 3, and an electric motor 12 as a driving unit that can move the movable member 5 back and forth.
And a push-in tool 4 which is swingably supported by the movable member 5.

As shown in FIG. 3, the base body portion 2 is provided with engaging members 10 and 10 which can be engaged with the locking plates 11 and 11 fixed to the lift bracket L at the top and bottom and a holding plate 40 in this embodiment. An electric motor 12 as a driving means is fixed.

A sprocket 13 is fixed to the output shaft of the electric motor 12, and the sprocket 16B can be rotated via a transmission means 14 such as a chain. Also sprocket 1
A sprocket 16A which is coaxial and rotates integrally with the shaft 6B is fixed to 6B, and a sprocket 17 supported in front of the frame portion 3 is rotated via a transmission means 9 such as a chain.

In this embodiment, the frame portion 3 has a groove member 7 having a substantially U-shaped cross section as shown in FIG. 4, and a guide member 8 having a circular cross section fixed to the upper surface of the groove member 7. It consists of and. The sprocket 17 is
It is fixed to the support shaft 29 via a bearing. Various materials such as a steel material having an “H” cross section can be used for the frame portion.

The movable member 5 has a rectangular shape with a hollow cross section,
In this example, the inner surface of the roller member 19B is anchored to the guide member 8 and the lower end thereof has a support shaft 19A at both ends.
It comprises a guide member 19 consisting of. Also, the roller body 19B
A cushion material 28 is attached to a portion that can come into contact with. Further, as the guide member, a slide shoe or a linear motion bearing may be adopted instead of the roller body.

On the inner surface of the movable member 5, a projecting piece 18 is projected and fixed downward and is connected to the chain 9. Therefore, when the electric motor 12 is rotationally driven, the movable member 5 can be moved back and forth along the frame portion 3. Further, the movable member 5 has a pushing surface 5A on its front surface, which can abut against the end surface of the work R.

As shown in FIGS. 2 and 3, the pushing tool 4 has an arm 22 mounted on the upper surface of the movable member 5 by a bracket 23 so as to be swingable, and is fixed to the arm 22 at the tip end thereof. In the embodiment, the contact member 21 has an arc shape.

The abutting member can be variously deformed such as a flat plate shape or a semi-circular plate shape other than the above-mentioned arc shape, and by making the arc shape like this embodiment, the pushing force can be uniformly applied to the work.

In this example, the abutting member 21 has a pressing surface 21A which is substantially in conformity with the end surface shape of the core material N of the specific work R, but the end surface portion other than the core material abuts. It can also be configured as follows.

A lock pin 24 is attached to the arm 22.
On the other hand, a receiving cylinder 25 that can engage with the lock pin 24 when the arm 22 is swung in a substantially horizontal state.
Is fixed to the upper surface of the movable member 5 so that the horizontal state of the arm 22 can be fixed.

On both sides of the movable member 5, a support shaft 26 protruding left and right is provided in a protruding manner, and a link 27 is mounted on the support shaft 26 so as to be rotatable and slidable in the longitudinal direction thereof. ing.

A work extracting tool 30 is attached to the links 27, 27 as shown in FIG. In this example, the work extracting tool 30 is a gate-shaped frame body portion 34, and an attachment tool 31, a grip portion 33, and an engagement portion 3 fixed to both side portions of the frame body portion 34.
Including 2 and.

In the present embodiment, as shown in FIG. 6, the fixture 31 is exemplified by one in which a pin 31C having an operating portion 31A at its end is inserted through a receiving cylinder 31B, which is constantly urged by a spring or the like. .

Further, as shown in FIG. 6, the fixture 31 can be engaged with the work R by inserting pins 31C into a pair of holes H formed in the core material N which is a constituent member of the work R, respectively. .

Further, the engaging portion 32 provided on the frame body portion 34
Has an inwardly facing surface that can substantially coincide with the outer surface of the core material N when the pin 31C is inserted into the core material N. Therefore, it is possible to prevent rattling of the frame body portion 34 when the work pulling tool 30 is engaged with the work, and to improve workability.

Due to the above-mentioned structure, as shown in FIG. 7, the attachment portion 27A of the link 27 is hooked on the receiving cylinder 31B of the work pulling tool 30 engaged with the work R, and the movable portion 5 is mounted on the vehicle body. The work R can be transferred to the frame portion 3 by pulling it to the side.

Further, as shown in FIG. 8, the movable member 5 has a hook member 20 fixed to the lower surface thereof, an attachment portion 36 removably engageable with the hook member 20, and the attachment portion. There may be provided a work pulling tool 39 that includes a projecting shaft 37 that projects forward from 36 and has an engaging portion 38 that can be engaged with the end surface of the work R at its tip.

As described above, the work pulling tool 39 can engage with the work R from the inner surface of the core material N which is a constituent member of the work R. As a result, when the work R has a low rigidity such as a vinyl product or a film. In addition, the workability can be improved and the versatility of the device can be improved because the core material N can be engaged without contacting the film or the like.

The engaging portion 38 may have various shapes as long as it can engage with the end surface of the work.

The operation of the present invention configured as described above will be described. As shown in FIG. 1, when the work R placed on the frame portion 3 is transferred to the pin rack P, the electric motor 12 is set arbitrarily. This can be performed by driving the movable member 5 in the forward direction to move the movable member 5 forward and pushing out the core material N of the work R at the pushing surface 5A. The electric motor 12 is driven by a lever 6 provided on the forklift F.

FIG. 9 shows a state in which the work R is transferred to the pin rack P on the pushing surface 5A of the movable member 5. From this state, the movable member 5 is retracted and the pushing tool 4 is brought into a horizontal state. Tilt to and fix.

However, since the push-in tool 4 is provided with the abutting member 21 which can be located in front of the pushing surface 5A of the movable member 5, the movable member 5 can be moved forward again to move the movable member 5 forward.
The work R can be pushed further into the pin rack P as shown in (4), and the transfer can be ensured.

Further, the work pull-out tools 30, 39 are engaged with the work R placed on a pin rack or the like, the movable member 5 is connected to the work pull-out tool, and the work R is pulled in toward the vehicle body side to thereby pull the work R. Can be transferred to.

In the present invention, the pushing tool 4 may be configured to be tilted remotely from the driver's seat of the forklift F using an actuator such as an electric cylinder.
According to this embodiment, workability is further improved. It is also possible to suitably employ a side shift mechanism attached to the lift bracket L in order to accurately align the work and the cargo handling device.

As described in detail above, various modifications can be made in addition to the above-described embodiment. For example, in addition to an electric motor as a driving means, a rotary machine driven by hydraulic pressure, a linear motion of a cylinder, a ball screw, a rack and pinion, etc. Can be used.

[0037]

As described above, according to the present invention, a hollow cylindrical work can be transported and transferred to a pin rack or the like without using human power.
Workability can be improved. In addition, by using a pushing tool, the amount of pushing of the work can be increased and transfer can be performed reliably, and the work can be moved from the pin rack etc. to the forklift side, and it can be drawn in according to the shape and properties of the work. It can also improve versatility.

[Brief description of drawings]

FIG. 1 is an overall side view showing an embodiment of the present invention.

FIG. 2 is an enlarged perspective view showing a main part of an embodiment of the present invention.

FIG. 3 is a side view showing an embodiment of the present invention.

FIG. 4 is a cross-sectional view of a frame portion and a movable member.

FIG. 5 is a perspective view showing another embodiment of the present invention.

FIG. 6 is a front view thereof.

FIG. 7 is a side view for explaining the operation.

FIG. 8 is a side view showing another embodiment of the present invention.

FIG. 9 is a side view for explaining the operation of the present invention.

FIG. 10 is a side view for explaining the operation of the present invention.

FIG. 11 is a side view for explaining a conventional technique.

[Explanation of symbols]

 1 Cargo Handling Device 2 Base Part 3 Frame Part 4 Pushing Tool 5 Possible Members 12 Electric Motor L Lift Bracket R Work

Claims (3)

[Claims] 1. A base portion mounted on a lift bracket that can move up and down along a mast, and a hollow cylinder that can move along a frame portion protruding forward from the base portion and is inserted into the front portion of the frame portion. A movable part having an extruding surface capable of abutting the end face of the work piece, and a driving means capable of moving the movable part along the frame part, and the movable part is provided in front of the extruding surface. A loading / unloading device for a forklift, which is swingably mounted with a pushing tool that can be positioned at the end of the workpiece and that can come into contact with the work end surface. 2. The movable part includes an engaging part that connects links pivotally attached to the movable part and is capable of engaging with a cylindrical work held axially in a horizontal state. The cargo handling device for a forklift according to claim 1, further comprising a work pulling tool. 3. The movable part has a projecting shaft projecting forward from the extruding surface, and a front end of the projecting shaft is capable of entering a hollow part of a hollow work and engaging with the work. The cargo handling device for a forklift according to claim 1 or 2, further comprising: a work pulling tool including a movable engaging portion.