JPH0649424U - Reverse transportation device for trolleys, etc. - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] The number of transfers can be reduced, and 1
The drive source enables the vehicle to move and change direction. A rotary table 34, which is rotatably supported on a base 24 substantially horizontally and has a rail 35 for mounting the carriage 8 on its upper surface and a second rotary shaft 33 on its lower surface, and the base 24. One fixed driving source 31, a transmission unit that transmits the driving force of the driving source 31 as a rotational movement, and a second rotating shaft 3 for transmitting the transmitted rotational movement in the vertical direction.
3, a first rotating shaft 28 provided coaxially with the third rotating shaft 28, an operating gear 29 fitted in the middle of the first rotating shaft 28, and the base mounted on a floor wall or the like by meshing with the operating gear 29. A rack gear 38 fixed along the moving direction of 24, a clutch portion 37 for connecting / disconnecting the first and second rotating shafts 28, 33,
It comprises a brake unit 36 for stopping the rotary motion of the rotary table 34.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention is intended to move a vehicle, for example, which has been transported on the outward path to the return path side at the ends of the forward path and the return path, which are arranged side by side, and reverse the direction to carry the return traffic on the return path. Of the reverse conveying device.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, as this type of reversing / conveying device, there is one having a structure shown in FIG. This inversion transport device 3 is arranged in a pit 12 which is recessed between the end of the forward transport path 1 and the start of the return transport path 2, and connects both transport paths 1 and 2. It comprises a traverser 4 and an elevating turntable mechanism 10 arranged at an intermediate position between the traverser 4.

The traverser 4 transfers a carriage 8 on which a vehicle W is mounted on a pair of rail members 7 which are horizontally mounted on a chain 6 arranged in parallel by a drive motor 5 and returns from the forward transport path 1 It is provided so as to be transferred to the transport path 2 side.

Further, the lifting / lowering turntable mechanism 10 is arranged at a lower middle position of the traverser 4, and when the carriage 8 placed on the rail member 7 is temporarily stopped at the upper position thereof, the turntable mechanism 10 is not shown. The table 10a is lifted between the rail members 7 by the elevating means to lift and support the carriage 8 integrally with the vehicle W, and the drive motor 11 rotates the turntable 10a 180 degrees to change the direction of the vehicle W, and then turn. The table 10a descends, mounts the carriage 8 on the rail member 7 again, moves to the return transportation path 2 side, and the carriage 8 is moved to the return transportation path 2 and transported to the next process.

[0005]

[Problems to be solved by the device]

 However, the reversing conveyance device 3 of this conventional configuration requires the traverser 4 and the two drive motors 5 and 11 for driving the turntable 10a, and further requires the lifting means of the turntable 10a, which increases the equipment cost. There is a problem, and when the vehicle W is transported, the number of transfers, especially the changes due to the direction change by the turntable 10a, increases, which causes a large number of breakdowns of each device, which causes a problem in terms of maintenance. It was

The present invention has been made in order to solve the above-mentioned conventional problems, and it is possible to reduce the number of times of transfer and to move and change the direction of a vehicle by one drive source, etc. It is an object of the present invention to provide a reversing conveyance device of

[0007]

[Means for Solving the Problems]

 In order to solve the above technical problems, the present invention mounts a base on a floor or the like, which is movable along a track, and is rotatably supported on the base so that the carriage is mounted on the upper surface. A rotary table having a rail and a second rotary shaft on the lower surface, one drive source fixed to the base, a transmission unit transmitting the drive force of the drive source as a rotary motion, and the transmitted rotation. A first rotating shaft provided coaxially with the second rotating shaft for transmitting the motion in the vertical direction, an operating gear fitted in the middle of the first rotating shaft, and the operating gear. A rack gear that meshes and is fixed to a floor wall or the like along the moving direction of the base, a clutch unit that connects and disconnects the first and second rotating shafts, and stops the rotary motion of the rotary table. It exists in a reversing conveyance device such as a trolley that is composed of a brake unit and each unit.

[0008]

[Action]

 When the carriage from the forward transport path is placed on the rotary table, the rotary table moves and reaches a predetermined position. The rotary table rotates 180 degrees while moving to turn the vehicle and transfer it to the return transport path. It is possible to move the carriage by one drive source and change the direction of the carriage during this movement process.

[0009]

【Example】

 Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic plan view of a reversing conveyance device 21 that connects a forward conveyance path 1 and a return conveyance path 2, and FIG. A front view and FIG. 3 are plan views. The reversing conveyance device 21 is arranged in a pit 12 recessed between the end of the forward conveyance path 1 and the start end of the return conveyance path 2 as in the conventional case. On the floor 12a, a rail member 22 having a substantially U-shaped cross section, which opens upward at predetermined intervals along the longitudinal direction, is laid and a track is formed, and a traveling base 23 is mounted on the track. It is movably mounted along the member 22.

The traveling base 23 is composed of a base 24, a drive unit 26 provided on the base 24, and a rotary table 34 provided on the upper side of the drive unit 26. The base 24 is formed, for example, in a circular trapezoidal shape (may be a rectangular shape), and traveling wheels 25 rolling on the rail member 22 are attached to the lower surface side of the base 24 at predetermined positions. It is included. A drive unit 26 is formed on the base 24 provided in this manner.

A first rotary shaft 28 is rotatably provided vertically on a machine frame 27 of the drive unit 26 along a center P of the base 24, and an operating gear is provided at a predetermined position of the first rotary shaft 28. 29 is keyed, and the operating gear 29 is formed to have a large diameter and extends outside the machine frame 27 so as to be horizontally rotatable. A driven gear 30 is keyed to the lower end of the first rotary shaft 28, and the driven gear 30 is attached to the motor shaft of a reversible and brakeable drive motor 31 internally fixed to the base 24. It is meshed with and linked to the keyed drive gear 32.

Further, a second rotary shaft 33 is concentrically provided on the upper side of the first rotary shaft 28 so as to be rotatable with respect to the machine frame 27 with a predetermined space therebetween. An upper end extends from the machine frame 27, and a circular rotary table 34 having, for example, a predetermined diameter on which the carriage 8 can be mounted is not shown in the drawing, but the rotary table 34 and the machine frame 27 can be mounted on the same end. A rotary support member such as a bearing is interposed between the two reciprocating conveyance paths 1 and 2 so as to be horizontally rotatable in parallel with the floor surface F of the reciprocating conveyance paths 1 and 2. A rail 35 is laid so as to be able to transfer the carriage 8 in alignment with each other. A lock brake 36 is provided on the lower end side of the second rotary shaft 33 provided in this way, and the lock brake 36 is released only when the rotary table 34 is rotated, and at other times, that is, when the brake is stopped. Etc., the second rotary shaft 33 is braked to lock the rotary table 34. Further, a predetermined clutch 37 that is connected / disengaged with the second rotary shaft 33 is provided at the upper end of the first rotary shaft 28 that is concentric with the second rotary shaft 33, and operates only when the rotary table 34 rotates. The second rotary shaft 33 is connected to the second rotary shaft 33. The clutch 37 and the lock brake 36 are electrically relayed.

Further, a rack gear 38 is arranged in the longitudinal direction on the one side wall 12b of the pit 12 in the same direction as the operating gear 29, and is engaged with and linked to the operating gear 29.

In the reversing conveyance device 21 formed in this way, the traveling base 23 is located on the terminal side of the outward conveyance path 1, and the rail 35 on the rotary table 34 thereof has the rails on the outward conveyance path 1. The rotary table 34 is locked by the lock brake 36, and the clutch 37 is disengaged. In this state, for example, the carriage 8 on which the vehicle W is mounted is moved, and the carriage 8 is transferred onto the turntable 34. This transition is appropriately detected by the detection means, and the drive motor 31 is activated by this detection signal.

The rotation of the drive motor 31 causes the driven gear 30 and the operating gear 29 to rotate, and the operating gear 29 rolls along the rack gear 38 meshed with and engaged with each other. By the rolling of the operating gear 29, the traveling base 23 moves to the side of the return conveyance path 2 along the rail member 22 while the carriage 8 is mounted.

During the movement of the traveling base 23, when the traveling base 23 is detected by an appropriate detecting means arranged at a predetermined position on the rack gear 38 side, the lock brake 36 is locked by the detection signal. At the same time when the state is released, the clutch 37 is activated to connect the first rotating shaft 28 and the second rotating shaft 33. As a result, the rotary table 34 moves while rotating integrally with the operating gear 29.

When the rotary table 34 is rotated 180 degrees and the direction of the vehicle W is changed, for example, when it is detected by an appropriate detection means arranged on the machine frame 27 side, the lock brake 36 is detected by this detection signal. At the same time as the second rotary shaft 33 is activated and locked, the clutch 38 is disengaged and the rotary table 34 is stopped. When the operating gear 29 further rotates and the traveling base 23 reaches the return conveyance path 2, it is detected by the detection means arranged on the conveyance path 2 side, and the drive motor 31 is stopped by this detection signal. In this state, the rails 35 on the rotary table 34 are aligned with the rails on the return transportation path 2, the carriage 8 is transferred to the transportation path 2 side, and the carriage 8 is moved to the next process.

When the transfer of the carriage 8 to the side of the return transportation path 2 is completed, the drive motor 31 is reversely driven, the traveling base 23 returns to the original standby position, and waits until the next carriage 8 arrives. . In the same manner, the rotary table 34 is rotated while moving the carriage 8 from the forward transport path 1 to change the direction of the vehicle W and deliver it to the return transport path 2.

As described above, the reversing conveyance device 21 of this embodiment is supported by a base 24 that can be moved along a track installed in the pit 12, and a rotatably substantially horizontal support on the base 24, and the base is placed on the upper surface. A rotary table 34 having a rail 35 on which the vehicle 8 is mounted and a second rotary shaft 33 on the lower surface, one drive motor 31 fixed to the base 24, and a drive force of the drive motor 31 as a rotary motion. A transmission unit including a driving gear 32 and a driven gear 30 that form a pair, and a first rotation provided concentrically with the second rotation shaft 33 to vertically transmit the transmitted rotation motion. A shaft 28, an operating gear 29 fitted in the middle of the first rotating shaft 28, and a rack gear meshed with the operating gear 29 and fixed to the side wall 12b of the pit 12 along the moving direction of the base 24. 38, the first and second rotary shafts 28, 33 It is composed of a clutch 37 for connecting and disconnecting the rotary table 34 and a lock brake 36 for stopping the rotary motion of the rotary table 34. Therefore, when the carriage 8 from the forward transport path 1 is placed on the rotary table 34, When the rotary table 34 reaches a predetermined position while moving 34, the rotary table 34 can be rotated by 180 degrees and the vehicle W can be turned to be transferred to the return transportation path 2. Therefore, the movement of the carriage 8 can be performed by one driving source. Since it becomes possible to change the direction of the carriage 8 during this movement process, it is possible to eliminate the number of changeovers for changing direction during the process of moving to the return path 2 as in the conventional case. It is possible to significantly reduce the breakdown of these devices, which can reduce the maintenance man-hours, and to perform multiple operations with one drive source. With the economy that enables you to reduce the cost of equipment because it.

[0020]

[Effect of device]

 Since the present invention is configured as described above, when the carriage from the forward transport path is placed on the rotary table, the rotary table moves, and when the rotary table reaches a predetermined position, the rotary table moves 180 degrees. Since the vehicle can be rotated to change the direction and be transferred to the return transportation path, and therefore, it is possible to move the vehicle by one drive source and change the direction of the vehicle during this movement process, as in the conventional case. Since it is possible to eliminate the number of times of transfer for changing direction in the process of moving to the return transport path, it is possible to significantly reduce the failures of these devices due to this transfer, thus reducing maintenance man-hours. In addition, since it is possible to perform a plurality of operations with one drive source, there is an economical efficiency that can reduce the equipment cost.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a reversing conveyance device that connects a forward conveyance path and a return conveyance path.

FIG. 2 is a partially cutaway front view of the reversing conveyance device.

FIG. 3 is a plan view of FIG.

FIG. 4 is a plan view of a conventional reverse conveyance device.

[Explanation of symbols]

 1 Forward transport path 2 Return transport path 8 Carriage 21 Inversion transport device 24 Base 28 First rotary shaft 29 Working gear 30 Driven gear 31 Drive motor (drive source) 32 Drive gear 33 Second rotary shaft 34 Rotary table 36 Lock Brake (lock part) 37 Clutch (clutch part) 38 Rack gear

Claims (1)

[Scope of utility model registration request] 1. A transport device for moving and rotating a trolley on which a vehicle or the like is mounted by a single drive source, the base being capable of moving along a track installed on a floor or the like, and substantially on the pedestal. A rotary table that is horizontally rotatably supported and has a rail on which the carriage is mounted and a second rotation shaft on the lower surface, one drive source fixed to the base, and a driving force of the drive source. Is transmitted as a rotational movement, a first rotating shaft provided coaxially with the second rotating shaft for transmitting the transmitted rotational motion in the vertical direction, and a first rotating shaft of the first rotating shaft. An operating gear fitted in the middle, a rack gear meshing with the operating gear and fixed to a floor wall or the like along the moving direction of the base, and connecting / disconnecting the first and second rotating shafts. A clutch part, and a brake part for stopping the rotary motion of the rotary table, and A reversing conveyor device such as a trolley composed of the above parts.