JPH0542222U - Rotary conveyor equipment - Google Patents

Abstract

(57) [Summary] [Purpose] A rotary conveyor that efficiently transfers articles between multiple external conveyors with different heights. [Structure] A substantially horizontal lift (2) that moves up and down directly above a fixed base (1), a pantograph type link (3) that supports the lift (2) and moves up and down, and a tilted cylinder (4). ), A rotary table (5) rotatably installed on the lift table (2), and a roller conveyor (7) installed on the rotary table (5). A rotation drive mechanism (6) for rotating the turntable (5) in forward and reverse directions is attached to the lift table (2), and each roller (16) of the roller conveyor (7) is mounted in the same direction on the turntable (5). A conveyor drive mechanism (8) for forward and reverse rotation is attached. The rotary table (5), the roller conveyor (7) and the conveyor driving mechanism (8) constitute a rotary conveyor, which comprises four external conveyors (11) having different heights.
It moves up and down between (14) and rotates to deliver the article (15).

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a rotary conveyor device suitable for a purpose of selectively supplying articles from one conveyor to a plurality of other conveyors.

[0002]

[Prior Art]

 Conveyors are generally used to convey articles in factories and warehouses. Conveyors are originally intended to convey articles from one place to another, and in order to change the direction along the way, the articles have to be replaced.

[0003]

[Problems to be solved by the device]

 When transferring or transferring articles between multiple conveyors If all conveyors are set to the same height, the articles may be pushed out in the desired direction with pushers, etc. In the case of different sizes, there are problems that the transfer means becomes complicated and the price becomes high.

The present invention has been made in view of such a problem, and an object thereof is not to cause a problem even if the heights of a plurality of conveyors for transferring or transferring articles are different. An object of the present invention is to provide a highly versatile rotary conveyor device that efficiently changes the direction of articles and transfers and transfers them.

[0005]

[Means for Solving the Problems]

 The present invention achieves the above object with a structure in which a rotary conveyor is installed on an elevating table that is supported by a pantograph lift so that it can be moved up and down on a stationary table that is fixed to the floor. Specifically, the present invention includes a pantograph lift installed between the fixed table and the lifting table to support the lifting table so that the lifting table can move up and down, and a cylinder that drives the lifting table up and down, and can rotate on the lifting table. An installed rotating table, a rotary drive mechanism that is supported by an elevating table and rotates the rotating table, a conveyor that is installed on the rotating table, and conveys the loaded articles by driving, and its conveyor drive And a mechanism.

[0006]

[Action]

 In the device of the present invention in which the rotary table supported by the elevator and its rotary drive mechanism and the conveyor and its conveyor drive mechanism constitute a normal rotary conveyor, and the rotary conveyor is moved up and down by the elevator table, Even if the heights of the external conveyors are different, the elevators can be moved up and down according to this height to efficiently transfer the articles between the external conveyors. The Pantagraf type lift that supports the lifting platform supports the lifting platform and the rotary conveyor above it with high weight, and supports them stably with a simple structure, making it possible to easily transfer heavy items. To

[0007]

【Example】

 Examples will be described below with reference to FIGS. 1 to 6. The rotary conveyor device (9) shown in FIGS. 1 and 2 is installed on a fixed base (1) fixed on a floor (10). From this rotary conveyor device (9), first to fourth external conveyors (11) to (14) extend in a substantially horizontal direction on all sides, and the rotary conveyor device (9) is connected between the external conveyors (11) to (14). Hand over the goods (15). The height of the first to fourth outer conveyors (11) to (14) is set to a height suitable for each application, and for example, the first outer conveyor (11) and the second outer conveyor (12) facing each other are set. ) Are the same height Ha, the height Hc of the third external conveyor (13) is one step lower than this height Ha, and the height Hd of the fourth external conveyor (14) is set one step lower than this. There is.

The rotary conveyor device (9) includes a substantially horizontal lift (2) that moves up and down directly above the fixed base (1) and a pantograph type link (3) that supports the lift (2) and moves up and down. ) And a cylinder (4), a rotary table (5) rotatably installed on the lift table (2), and a conveyor such as a roller conveyor (7) installed on the rotary table (5). A rotation drive mechanism (6) for rotating the rotary table (5) is attached to the lift table (2), and each roller (16) of the roller conveyor (7) is rotated forward and backward in the same direction on the rotary table (5). A conveyor drive mechanism (8) is attached which allows the conveyor drive mechanism (8) to be installed.

The pantograph type link (3) has two pairs of two pairs of links (3 ′) of the same length which intersect each other in an X shape, and is provided between the fixed stand (1) and the lift stand (2). It is arranged on both sides of. The upper end and the lower end on the left side of the link pair (3 ′) shown in FIG. 1 (a) are rotatably fixed to the fixed table (1) and the lifting table (2) by a shaft (20), and the link pair ( The other end of 3 ') is horizontally movably connected to the fixed base (1) and the lifting base (2). For example, a pin (21) is attached to the moving end of the link pair (3 ′), and the pin (21) is horizontally formed in the fixed base (1) and the lifting base (2) to form a horizontally long guide hole (22). The movable end of the link pair (3 ') is reciprocated within the length of the guide hole (22). The lifting platform (2) is supported by the two pairs of links (3 ') so as to be vertically movable above the fixed platform (1). The cylinder (4) for moving the lifting table (2) up and down is a hydraulic cylinder, and is tilted in the same direction as one of the link pair (3 ') at the center between the fixed table (1) and the lifting table (2). Mounted. The base end of the cylinder (4) is rotatably connected to the fixed base (1) and the tip end of the piston rod (4 ') is rotatably connected to the lift base (2), and the piston rod (4') is connected to the cylinder (4). When it is projected, the lift table (2) is raised, and when it is retracted, the lift table (2) is lowered. Such a structure for supporting the up-and-down table (2) by the pantograph-type link (3) and the cylinder (4) and for vertically driving the same is simple and inexpensive, and the link (3) has a high strength for the up-and-down table (2). It stably supports and vertically moves the roller conveyor (7) on the lift table (2) with good stability.

FIG. 5 shows an example of a connecting structure of the rotary table (5) and the lifting table (2). As shown in (a) and (b) of FIG. 5, a plurality of guide rollers (23) and ball bearings (24) are concentrically arranged on the lift table (2) at equal intervals. On the other hand, a horizontal circular receiving plate (25) is fixed in the cylindrical lower portion (5 ') of the rotary table (5). The lower part (5 ') of the turntable (5) is put on the guide roller (23) and the ball bearing (24), and the guide roller (23) is applied to the inner peripheral surface of the lower part (5') and the ball bearing (24). Place the backing plate (25) on top. On the lift table (2), the rotary table (5) is prevented from lateral displacement by the guide roller (23) and stably rotates in the forward and reverse directions while being supported by the ball bearing (14).

A specific example of the rotary drive mechanism (6) for rotating the rotary table (5) on the lift table (2) will be described with reference to FIG. The chain (26) is wound around the lower part (5 ') of the turntable (5) without backlash, and an arbitrary place is fixed to the lower part (5') with a screw or the like. The motor (27) is fixed to a part of the outer circumference of the lifting platform (2), the drive gear (29) is fixed to the rotation shaft (28) of the motor (27), and the drive gear (29) is connected to the chain (26). Partially engage. When the motor (27) rotates the drive gear (29) normally and reversely, the rotational force is transmitted to the chain (26) and the rotary base (5) rotates normally and reversely. A gear may be formed on the outer periphery of the lower portion (5 ') of the rotary table (5) instead of the chain (26), but this type of gear is a special gear or a large gear and becomes expensive. .. On the other hand, the chain (26) is inexpensive and commercially available, and is easy to install regardless of the size of the turntable (5), which is advantageous in terms of cost.

As shown in FIG. 6, both ends of each roller (16) of the roller conveyor (7) on the turntable (5) are supported in parallel by bearings supported by bearings (34). Guide plates (17) are fixed to the rotary table (5) and arranged above both ends of each roller (16). The guide plate (17) guides the loading / unloading of the article (15) on the roller conveyor (7). A motor (30) is fixed to a part of the side wall of the rotary table (5), and a chain wheel (31) rotating by this motor (30) and a chain wheel (32) provided at the same end of each roller (16). And are connected by a plurality of endless chains (33). When the motor (30) rotates the chain wheel (31) forward and backward, the chain wheel (32) of each roller (16) rotates forward and backward through the chain (33), and each roller (16) moves in the same direction. Rotate forward and backward.

Next, the article conveying operation according to the above embodiment will be described. As shown in FIG. 2, when the article (15) is fed from the first outer conveyor (11) to the rotary conveyor device (9) and the article (15) is conveyed to the second outer conveyor (12), The conveyor device (9) is set to the state shown in FIG. That is, the height of the roller conveyor (7) of the rotary conveyor device (9) is set to the height Ha of the first and second external conveyors (11) and (12), and the roller conveyor (7) is set to the first and second heights. Directed to the external conveyor (11) (12). Maintaining this state, the roller conveyor (7) is driven in the direction of the second external conveyor (12) by the motor (30), and the article (15) is transferred from the first external conveyor (11) to the roller conveyor (7). When supplied to the upper side, the article (15) is conveyed straight by the roller conveyor (7) and carried out to the second external conveyor (12).

When the type of the article (15) conveyed by the first external conveyor (11) is changed and the article (15) is distributed to a different height, for example, the fourth external conveyor (14) and supplied, Is done like. When the article (15) is supplied from the first external conveyor (11) to the roller conveyor (7) of the rotary conveyor device (9), the cylinder (4) lowers the ascending / descending table (2), as shown in FIG. As described above, the roller conveyor (7) is adjusted to the height Hd of the fourth outer conveyor (14) and the state is maintained. When the elevator table (2) is descending, or before and after the descending table, the rotary table (5) is rotated 90 ° by the motor (27), and the roller conveyor (7) is directed to the fourth external conveyor (14). When the rotation and the descent are completed, the article (15) on the driven roller conveyor (7) is conveyed to the fourth external conveyor (14).

As described above, by combining the vertical movement of the lift table (2) and the rotation of the rotary table (5), various articles () between the external conveyors (11) to (14) having different heights ( Delivery of 15) is possible arbitrarily. A series of operations for delivering such an article may be automatically performed as follows. Before the article (15) is sent to the rotary conveyor device (9), the type of the article (15) is specified on the operation panel (not shown), or the type of the article (15) is automatically detected by the sensor. Then, the vertical movement and rotation of the rotary conveyor device (9) are automatically controlled.

[0016]

[Effect of the device]

 According to the present invention, even if the heights of the external conveyors for transferring the articles are different, by moving the elevating table up and down corresponding to this height, the articles between the external conveyors having different heights can be moved. It can be handed over and can be installed between external conveyors of various heights, providing a versatile rotary conveyor device with great practical value. Further, the height of the external conveyor to which articles are transferred by the device of the present invention can be set to an optimum height for each application, which also has the effect of facilitating the layout design of the external conveyor. Furthermore, the pantograph type lift that supports the lifting platform has a simple structure and is inexpensive, and even if the lifting platform and the conveyor above it are heavy, they can be stably supported to ensure the stable delivery of heavy articles. It is effective in making it execute.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of the present invention, (a) is a side view and (b) is a front view.

FIG. 2 is a plan view of the apparatus shown in FIG.

FIG. 3 is a side view of the apparatus shown in FIG. 1 in operation.

FIG. 4 is a partially enlarged view of the apparatus shown in FIG.
(B) is a sectional view taken along the line AA of FIG.

FIG. 5 is an enlarged view of the lifting table and the rotary table of the apparatus shown in FIG.
Is a front view including a partial cross section, and (b) is BB of FIG.
Sectional view along the line

6 is an enlarged view of the conveyor of FIG. 1, in which (a) is a plan view and (b) is a front view.

[Explanation of symbols]

 1 Fixed base 2 Lifting base 3 Pantograph type link 4 Cylinder 5 Rotating base 6 Rotation drive mechanism 7 Conveyor 8 Conveyor drive mechanism 9 Rotary conveyor device

Claims (1)

[Scope of utility model registration request] 1. An elevating table arranged in parallel on a fixed table, and a pantograph lift and an elevating table installed between the fixed table and the elevating table to support the elevating table up and down. A cylinder to be driven, a rotary table that is rotatably installed on the lift table, a rotary drive mechanism that is supported by the lift table to rotate the rotary table, and is installed on the rotary table and mounted by being driven. A rotary conveyor device comprising: a conveyor for transporting articles, and a conveyor drive mechanism for the conveyor.