JP2512227Y2 - Transfer equipment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer device suitable for use in a transfer direction conversion section of a transfer line formed by a roller conveyor, a belt conveyor or the like.

[0002]

2. Description of the Related Art When a conveyor line is formed by a roller conveyor, a belt conveyor or the like, and a conveyor direction conversion section for converting the conveyor direction is provided on the conveyor line, the conveyor direction conversion sections are made to have different extending directions. It has been proposed that a pair of rollers, a vertical movement mechanism for individually moving each roller up and down, a motor for driving each roller, and a power transmission mechanism for transmitting the power of the motor to each roller are proposed. There is.

[0003]

However, when a pair of rollers whose extending directions are different from each other are arranged so as to be vertically movable, the vertical height of the conveying direction converting portion becomes large, and Since the vertical movement mechanism and the power transmission mechanism also occupy space, there is a problem that the conveyance direction conversion unit becomes large and heavy. The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide a transfer device that can reliably change the transport direction without increasing the size and weight.

[0004]

To achieve the above object, the present invention provides a frame, a first roller rotatably disposed on the frame and having a spiral groove formed on a peripheral surface thereof, and A second roller rotatably disposed on the frame in parallel with the first roller and having a spiral groove in the peripheral surface thereof in the direction opposite to the groove of the first roller; A drive source capable of rotating the roller in a forward and reverse direction and a power transmission mechanism for transmitting the power of the drive source to the first and second rollers are provided. Further, according to the present invention, a frame, a first roller rotatably disposed on the frame and having a spiral groove formed on a peripheral surface thereof, and rotatably arranged on the frame in parallel with the first roller. A second roller having a spiral-shaped groove formed on its peripheral surface, the spiral-shaped groove being opposite to the groove of the first roller; a drive source for rotating the first and second rollers; and the drive source. And a switching mechanism for switching the rotation direction of at least one of the first and second rollers.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. 1 is a plan view of the transfer device, FIG. 2 is a view taken in the direction of arrow X in FIG. 1, and FIG. 3 is a view taken in the direction of arrow Y in FIG. 1 is a transfer device, and the transfer device 1 includes a pair of vertical frames 101 and a pair of horizontal frames 1.
A frame-shaped frame 105 made of 03 is provided. The drive device 3 is arranged in parallel with the vertical frame 101 in the center of the frame 105, and the left side and the right side of the drive device 3 are parallel to the vertical frame 101 and their upper surfaces are higher than the frame 105. The first roller 5 and the second roller 7 are arranged so that

The drive unit 3 is a motor 1 capable of forward and reverse rotation.
1 and a gear box 13, and an output shaft 1101 projects from both sides of the motor 11 in parallel with the vertical frame 101.
Both output shafts 1101 rotate in phase. One output shaft 11
01 is projected from the horizontal frame 103, and the pulley 1103 is provided at the end thereof.
Is attached, and the other output shaft 1101 is connected to the gear box 13. The gear box 13 is configured such that its output shaft 1301 can change its rotation direction with respect to the output shaft 1101 of the motor 11, and the output shaft 1301 projects from the horizontal frame 103 in parallel with the vertical frame 101 and has a pulley at the end. 1303 is attached.

A left-threaded spiral groove 501 is formed on the peripheral surface of the first roller 5, and the ends of the first roller 5 are rotatably supported by the lateral frames 103, respectively. Horizontal frame 1
A pulley 503 is attached to a portion of the end portion of the first roller 5 projecting from the position 03 located on the output shaft 1101 side of the motor 11, and as shown in FIG.
The belt 15 is wound around the pulleys 1103, 503 and 503 so that one output shaft 1101 rotates at the same rotation speed and rotation direction. Further, a right-handed spiral groove 701 is formed on the peripheral surface of the second roller 7, and the end portions of the second roller 7 are rotatably supported by the lateral frames 103, respectively. A pulley 703 is attached to a portion of the end of the second roller 7 projecting from the lateral frame 103, which is located on the output shaft 1301 side of the gear box 13, and as shown in FIG.
The pulley 130 so that the roller 7 and the output shaft 1301 of the gear box 13 rotate at the same rotation speed and rotation direction.
The belt 17 is hung on 3,703,703.
In this embodiment, the motor 11 is the driving source, the gear box 13 is the switching mechanism, and the pulleys 1103, 503, 1
303, 703 and belts 15, 17 correspond to the power transmission mechanism, respectively.

Next, the operation will be described separately for cases (1) to (4). The clockwise direction and the counterclockwise direction mentioned here indicate the directions when viewed from the Y arrow in FIG. (1) The motor 11 is rotated in the forward direction to output the output shaft 1 of the motor 11.
When both 101 and the output shaft 1301 of the gear box 13 are rotated in the clockwise direction, the first roller 5 and the second roller 7 rotate in the clockwise direction. The load conveyed or placed on the transfer device 1 receives forces in the directions of arrows D, A and B due to friction with the first and second rollers 5 and 7,
The forces in the B direction are canceled out, and the package is conveyed in the arrow D direction.

(2) The motor 11 is rotated in the reverse direction so that the motor 1
1 output shaft 1101 and gearbox 13 output shaft 130
If both are rotated counterclockwise,
The roller 5 and the second roller 7 rotate counterclockwise. The parcels transported or placed on the transfer device 1 are
Although the forces in the directions of arrows C, A, and B are received by the friction with the second rollers 5 and 7, the forces in the directions of A and B are canceled out, and they are conveyed in the direction of arrow C.

(3) When the gear box 13 is switched from the state of (1) to rotate the output shaft 1101 of the motor 11 clockwise and the output shaft 1301 of the gear box 13 counterclockwise. First, the first roller 5 rotates in the clockwise direction and the second roller 7 rotates in the counterclockwise direction. The baggage conveyed or placed on the transfer device 1 is indicated by arrow A, due to friction with the first and second rollers 5 and 7.
Although the forces in the C and D directions are received, the forces in the C and D directions are canceled out, and the package is conveyed in the arrow A direction.

(4) From the state of (2) above, the gear box 13 is switched so that the output shaft 1101 of the motor 11 is rotated counterclockwise and the output shaft 1301 of the gear box 13 is rotated.
When is rotated clockwise, the first roller 5 rotates counterclockwise and the second roller 7 rotates clockwise. The load conveyed or placed on the transfer device 1 is indicated by an arrow B, due to friction with the first and second rollers 5 and 7.
Although the forces in the C and D directions are received, the forces in the C and D directions are canceled out and the package is conveyed in the arrow B direction.

As described above, according to the present embodiment, the conveyance direction of the load is changed by simply changing the rotation directions of the rollers 5 and 7 without moving the vertical positions of the first and second rollers 5 and 7. Therefore, it is possible to reduce the size and weight of the device. Further, when the transfer device 1 is used for the transfer direction conversion unit that changes the transfer direction of the transfer line, the transfer direction of the package can be changed without moving the vertical positions of the first and second rollers 5 and 7. It is also possible to simplify the configuration of the transfer line.

In the embodiment, the case where the carrying direction of the package is changed to four directions orthogonal to each other has been described. However, when the carrying direction of the package is simply changed to two directions, the motor 11 is used.
It is possible to deal with it by only the forward / reverse rotation of 1 or by switching the gear box 13. Further, in the embodiment, the case where the first and second rollers 5 and 7 are each used in total of four, but the first and second rollers 5 and 7 may be four or more in total, in short, Is optional, and at least one may be provided for each. Further, it is also possible to directly connect two motors 11 capable of forward and reverse rotation to the first and second rollers 5 and 7, respectively, to configure the transfer device 1. In this case, the motor 1
A connecting portion between 1 and each of the first and second rollers 5 and 7 constitutes a power transmission mechanism. The transfer device 1 is not limited to being applied to the transfer line, but can be applied to various places and purposes.

[0014]

As is apparent from the above description, according to the transfer device of the present invention, the first and second rollers having spiral grooves having different orientations, and the first and second rollers. Since the carrying direction of the package is changed in combination with the rotation direction, it is possible to surely change the carrying direction of the package without increasing the size and weight.

[Brief description of drawings]

FIG. 1 is a plan view of a transfer device 1.

FIG. 2 is a view taken in the direction of the arrow X in FIG. 1;

FIG. 3 is a view on arrow Y of FIG.

[Explanation of symbols]

 1 Transfer Device 5 First Roller 7 Second Roller 11 Motor 13 Gear Box 15, 17 Belt 105 Frame 503, 703, 1103, 1303 Pulley

Claims (2)

(57) [Scope of utility model registration request] 1. A frame, a first roller rotatably disposed on the frame and having a spiral groove formed on a peripheral surface thereof, and rotatably disposed on the frame in parallel with the first roller. A second roller having a spiral groove formed in the peripheral surface thereof in the direction opposite to the groove of the first roller, and a drive source capable of rotating the first and second rollers in a forward and reverse direction. A power transmission mechanism that transmits the power of the drive source to the first and second rollers. 2. A frame, a first roller rotatably disposed on the frame and having a spiral groove formed on a peripheral surface thereof, and rotatably disposed on the frame in parallel with the first roller. A second roller having a spiral groove formed in the peripheral surface thereof in the direction opposite to the groove of the first roller; a drive source for rotating the first and second rollers; and a drive source for the drive source. A transfer device comprising: a power transmission mechanism that transmits power to the first and second rollers; and a switching mechanism that switches a rotation direction of at least one of the first and second rollers.