JPS637485Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a conveyance device, and particularly to a conveyance device for conveying a plurality of workpieces with shafts arranged in parallel (hereinafter referred to as workpieces) by themselves by placing them on an inclined surface at the same time. It is. After simultaneously processing multiple workpieces arranged in parallel using a processing mechanism, the workpieces are transported by themselves onto an inclined transport surface without requiring power, which has the effect of simplifying the configuration. However, when the workpieces after processing are held at the same height position by the holding mechanism, as shown in Figure 1, the rear workpieces
When W ₁ contacts the inclined conveyance surface a, rotates in the direction of the arrow b and is conveyed along the conveyance surface, and comes into contact with the workpiece W ₂ in front, the workpiece W ₂ in front is tilted onto the conveyance surface a. As the workpiece W ₁ at the rear rotates in the direction of the arrow B, the workpiece W ₂ at the front rotates in the direction of the arrow C.
W ₂ may be stopped without being transported. An object of the present invention is to solve the above-mentioned problems and provide a conveyance device that can simultaneously and smoothly convey a plurality of workpieces arranged in parallel on an inclined conveyance surface. In order to achieve the above object, the present invention includes a transport mechanism that uses gravity to transport multiple workpieces on an inclined transport surface, and a transport mechanism that holds and transports multiple workpieces arranged in parallel. The conveyance device has a holding mechanism mounted on a surface, characterized in that the workpiece holding portion of the holding mechanism is provided at a step position corresponding to the inclination angle of the conveyance surface. 2 and 3 showing an embodiment will be explained below. In the same figure, 1 is the bet and 2 is the bet 1 above.
A rectangular conveying rod is movably supported on the top, and two V-shaped supports 3 and 3' are fixed to the top surface at a distance by a drive mechanism (not shown) connected to one end. When the two workpieces W ₁ and W ₂ held on the groove 3a are raised from positions A and A' in the direction of the arrow e and reach positions B and B', the two processing mechanisms 4 described later , 4', two workpieces W ₁ , W ₂
are processed at the same time, and when the processing is completed, the workpiece W ₁ ,
When W ₂ is moved in the direction of the arrow g and reaches the positions C and C _' , the holding parts 14 of the two holding mechanisms 11 and 11', which will be described later, wait downward while lowering the workpieces W ₁ and W 2. . There is. The two supports 3 and 3' have grooves 3 on their upper surfaces into which the large diameter portions i of the workpieces W ₁ and W ₂ are inserted.
b, 3b'. The above processing mechanism 4 , 4 '
heads 6 and 6' fixed at a predetermined distance to columns 5 fixed on the bed 1, respectively;
A motor 6 fixed to the top surface of these heads 6, 6'
a, 6a', and a spindle 7, which is connected to the motor 6a, 6a' and held within the head 6, 6'.
7' and tools 8, 8' held at the lower ends of the spindles 7, 7', and the motor 6
When a and 6a' are driven, tools 8 and 8' simultaneously machine two workpieces W ₁ and W ₂ via spindles 7 and 7'. Reference numeral 9 denotes a lifting mechanism, and includes an air cylinder 9a fixed in a position facing the processing mechanisms 4 , 4 ' of the column 5, a piston rod 10 slidably held within the air cylinder 9a, and a piston rod 10 that is slidably held within the air cylinder 9a. A holding plate 10a is fixed to the lower end of the air cylinder 9a and holds the two holding mechanisms 11, 11'. It is made to move up and down at the same time. The two holding mechanisms 11 and 11' are gate-shaped hangers 1 with different lengths in the vertical direction.
2, 12' and the inner facing surfaces of the hangers 12, 12'' are fixed at different positions in the vertical direction so as to correspond to the inclination angle of the conveying surface 15a of the lower conveying mechanism 15, and are covered with the upper surface. The holding parts ₁₄ , 14' are formed from the holding parts 14, 14' having V grooves 13, 13' for holding the shaft parts j of the workpieces W 1, W ₂ , The two workpieces W 1 and W 2 that have been transferred to the workpieces W ₁ and W ₂ are lowered and placed on the conveyance surface 15a of the conveyance mechanism 15 at the same time.
, and the other part is tilted downward as it goes to the tip so that the workpieces W ₁ and W ₂ are conveyed by themselves on the upper conveying surface 15a.A stopper is attached to the tip. 15b is fixed.
Reference numeral 16 designates a transfer lever in the shape of a "", the center of which is connected to a rotation mechanism (not shown), and the workpiece W or _W1 that has reached the end stopper 15b of the conveying surface 15a is lifted at one end. , by sliding the top surface of one end thereof and delivering it to the outside from the top surface of the other end. Because of the above configuration, there are two workpieces W ₁ and W ₂
are mounted and held on the two supports 3 and 3' on the transport rod 2 at positions A and A', respectively, and then the transport rod 2 is
Raise it upward in the direction of the arrow e. Next, when the two workpieces W ₁ and W ₂ reach the R and R' positions and the upward movement of the transport rod 2 stops, the motors 6a and 6a' of the two processing mechanisms 4 and 4 ' are driven. Then, two workpieces W ₁ and W ₂ are machined by the tools 8 and 8'. When the machining of the two workpieces W ₁ and W ₂ is completed and the drive of the motors 6a and 6a' of the processing mechanisms 4 and 4 ' is stopped, the transport rod 2 moves in the direction of the arrow g and moves the two workpieces W 1 and W 2 . The workpieces W ₁ and W ₂ reach positions C and C', respectively. After that, when the transport rod 2 descends in the direction of the arrow f , the two workpieces W ₁ and W ₂ are placed on the holding parts 14 and 14' of the two holding mechanisms 11 and 11 ' that are waiting in advance. are held on the tower at different vertical positions, and when the transport rod 2 descends in the empty state and reaches the N, N' position, it moves in the direction of the arrow h and returns to its original position. Return to On the other hand, above 2
The workpiece held in the holding parts 14, 14'
When W ₁ and W ₂ are lowered by the drive of the elevating mechanism 9 and simultaneously placed on the transport surface 15a of the transport mechanism 15, they are transported by themselves while rotating on the transport surface 15a. After that, when the two workpieces W ₁ and W ₂ hit the stopper 15b and stop, the workpieces W ₁ and W ₂
are delivered outward one by one by the delivery lever 16. As described above, the present invention has a structure in which the holding parts of the plurality of holding mechanisms that are moved up and down by the lifting mechanism are stepped in the vertical direction so as to correspond to the inclination angle of the transport surface of the lower transport mechanism, and the holding parts are Since a plurality of held workpieces are placed on the conveyance surface at the same time, it is possible to smoothly convey the workpieces by placing them on the conveyance surface with a simple structure. have

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram showing a case where multiple workpieces are loaded on a conventional inclined transfer surface, Fig. 2 is a front view showing the proposed transfer device, and Fig. 3 is a side view showing its holding mechanism. It is a diagram. 2...Transport rod, 3...Support tool, 4 , 4 '...
...Processing mechanism, 5...Column, 9 ...Lifting mechanism, 1
1, 11 '...Holding mechanism, 12,12'...Hanger, 13,13'...V structure, 14,14'...Holding section, 15 ...Transportation mechanism, 16...Delivery lever.

Claims (1)

[Scope of utility model registration request] A conveyance system that includes a conveyance mechanism that conveys a plurality of workpieces by gravity on an inclined conveyance surface, and a holding mechanism that holds a plurality of workpieces arranged in parallel and places them on the conveyance surface. A conveyance device characterized in that the workpiece holding portion of the holding mechanism is provided at a step position corresponding to the inclination angle of the conveyance surface.