JPH0219063B2 - - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application The present invention is applicable to processing both sides of a large flat plate made of wood, metal, etc. using a planer, grinder, etc. The invention relates to a device for reversing.

(b) Problems to be solved by the prior art and the invention Conventionally, inverting a large flat plate required two people to lift both ends of the plate and turn each plate over one by one, or by placing the plate inside a cylindrical rotating body. An insertion section is provided, a large number of stacked plates are inserted into the insertion section, and the rotating body is rotated 180 degrees to reverse the plates.
Fix the mounting part of the shape to one side of the rotating shaft, insert a plate material into the mounting part of the shape, fix the plate material so that it does not move, then rotate the rotating shaft 180 degrees and attach the shape to the opposite side of the rotating shaft. The board is turned over by moving the mounting part, but when done manually, two workers are required to turn over the board, and the work involved in reversing is both hard labor and dangerous. Moreover, when using the above-mentioned device, it has the advantage of being able to flip a large number of plates at once, but it is troublesome to install and remove, resulting in poor work efficiency, and the device itself is large-scale, has a complicated mechanism, and is expensive. It was hot.

In addition, this device was complicated, requiring roller conveyors to be disposed on both sides of the rotating shaft, since the plate material was reversed to the opposite side of the rotating shaft.

(C) Means for Solving the Problems The present invention solves the above-mentioned conventional problems and provides a device that has a simple structure, is easy to operate, and can perform reversing work quickly. A rotating shaft 10 connected to a reversing drive motor 12 is passed through an elevating member 9 that is movable up and down at the upper part.
Belt pulleys 13, 13 and belt pulley 1 provided at both ends of
By passing the endless belt 16 over the left and right tension pulleys 15, 15 provided at the ends of the left and right tension arms 14, 14 whose roots are pivotally connected to the machine frame 1 on both the left and right sides of the The tension pulley 15 is lowered by the weight of the arm 14 and the tension pulley 15, and the endless belt 16 is spread left and right.
Grooves 19, 19, the lower sides of which are in contact with the ground, are provided in intermittent portions of a roller conveyor 18 provided on a machine frame base 17.

(d) Embodiments and operations Embodiments of the present invention will now be explained with reference to the drawings as follows.

In the figure, 1 is a machine frame, a pair of shaft support rods 3, 3 supporting a shaft 2 are provided at the upper end thereof, a sprocket 4 is provided at the middle part of the shaft 2, and a lifting drive is installed on the machine frame 1. It is connected to a motor 5 via a chain 6.

7, 7 are sprockets fixed to both ends of the shaft 2, and one ends of chains 8, 8 suspended from the sprockets 7, 7 are connected to an elevating member 9, respectively.

Reference numeral 10 denotes a rotating shaft that is attached to pass through the elevating member 9. A gear 11 is attached to the middle part of the rotating shaft, and a reversing drive motor 12 is attached to the lower surface of the elevating member 9.
Belt pulleys 13, 13 are fixed to both meshed ends.

Reference numerals 14 and 14 denote tension arms pivoted at appropriate positions on the machine frame 1 on both sides of the belt pulleys 13 and 13 fixed to both ends of the rotating shaft 10, and tension pulleys 15 and 15 are pivoted at the tips of the arms. An endless belt 16 is passed between the tension pulleys 15, 15 and the belt pulley 13, and the lower side of the endless belt 16 is connected to the grooves 19, 19 provided at intermittent portions on the track of the roller conveyor 18 provided on the machine frame base 17. It is grounded on the bottom.

The tension pulleys 15, 15 descend downward due to the weight of the tension arm 14 and the tension pulley 15, thereby spreading the endless belts 16, 16 laterally.

Reference numeral 20 indicates an operation switch for the lifting drive motor 5 and the reversing drive motor 12, and 21 indicates a plate material.

Incidentally, the endless belt 16 may be a chain, a rope, or the like depending on the type of material of the plate material to be reversed.

Since the present invention is configured as described above, now,
When reversing a plate using the device of the present invention, as shown in FIG.
The plate materials 21, 21...21 are grounded on the bottom surfaces of the grooves 19, 19 provided in the roller conveyor 18 as shown in FIG. If you press a predetermined button on the operation switch 20 to rotate the lifting drive motor 5 in the normal direction, the endless belts 16, 16 will move the plate material 2 as shown in FIG. 3c.
1, 21, . . . 21 are lifted into the air. At this time, if another button on the operation switch 20 is pressed to rotate the reversing drive motor 12, the endless belt 16, 16 rotates and turns the plate materials 21, 21...21, and
When the plates 21, 21, . Plate material 2 that has been reversed by rotating 5 in the opposite direction
1, 21...21 are lowered onto the roller conveyor 18 as shown in FIG.
1, 21... separate from 21, endless belt 16, 16
When the lower side of the base 17 comes into contact with the bottom surface of the grooves 19, 19, return the push button of the operation switch 20 to stop the elevating member 9, and then
...21 is conveyed on a roller conveyor 18 to a machine tool.

(E) Effect As described above, in the reversing device according to the present invention, when the lower side of the endless belt is in contact with the bottom surface of the groove provided in the intermittent portion of the roller conveyor, the self-weight of the tension arm and the tension pulley is As the tension pulley descends downward, the endless belt is widened left and right, so that the object to be reversed can be inserted into the inside of the endless belt without any hindrance, and the object to be reversed after being reversed can be easily carried out. When lifting the object by lifting the lifting member with the object inserted inside the endless belt, the left and right tension pulleys are lifted by the tension of the endless belt. will naturally move inside the endless belt, so you can immediately lift the object to be turned over without having to move the tension pulley in advance.
It has various features such as easy operation and quick reversal work.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway perspective view showing an embodiment of the present invention. FIG. 2 is a front view showing the state in which the above plate material is installed in a predetermined position. FIGS. 3a to 3g are explanatory diagrams showing how the device is used. 1 in the diagram is the machine frame. 9 is a lifting member. 10 is the pivot axis. 12 is a reversing drive motor. 13 is a belt car. 14 is the tension arm. 15 is the tension pulley. 16 is an endless belt. 17 is based on the machine frame. 18 is a roller conveyor. 19 is the groove.

Claims (1)

[Claims] 1. A rotating shaft connected to a reversing drive motor is passed through the lifting member installed on the top of the machine frame so that it can be raised and lowered freely,
An endless belt is passed between the belt pulley provided at both ends of this rotating shaft and the left and right tension pulleys provided respectively at the tips of the left and right tension arms whose roots are pivoted to the machine frame on both the left and right sides of the belt pulley. According to
An intermittent part of a roller conveyor in which the tension pulley is lowered by the weight of the tension arm and the tension pulley to spread the endless belt to the left and right, and a groove part is provided on the machine frame base where the lower side of the endless belt touches the ground. A reversing device installed in