JP5836611B2 - Sorting device - Google Patents

Description

  The present invention relates to a sorting device that pushes a workpiece conveyed by a conveying device out of the conveying device with a cylinder, and is particularly safe for an operator, and an external force when the workpiece contacts with the cylinder extended. The present invention relates to a sorting apparatus having sufficient rigidity to withstand.

  Patent Document 1 listed below discloses an invention relating to a tray transfer device that moves a tray fed by a conveyor on a conveyor carriage by a pusher member that is operated by an air cylinder. In this invention, the pusher member pushed out by the rod of the air cylinder is connected to the guide rod supported by the guide member, and the movement is assisted so that the pusher member is reliably pressed.

JP-A-8-169533

  As exemplified in Patent Document 1, in a sorting device of a type that extrudes a workpiece sent by a conveying unit with a pressing plate provided at the tip of a cylinder rod and sends it out of the conveying unit, a conveying unit that performs a conveying operation, There are many moving parts such as a reciprocating cylinder and a pressing plate, and there is a risk that a worker working in the vicinity thereof may get a part of the body or clothes caught.

  Therefore, for the sake of safety, there has been a device to cover the cylinder side of the sorting device with a cover, but when the cylinder stroke is large, the part that protrudes and moves from the cover becomes long, and the time required for the reciprocating operation is also long. Therefore, there is a greater risk that the operator may pinch fingers or the like between the cover provided on the main body side and the rod or pressing plate protruding from the cover, and it cannot be said that sufficient safety is necessarily achieved. Met.

  If the stroke of the cylinder is large and the protruding length of the rod is large, when the workpiece is pressed and moved, the moment applied to the rod and the pressure plate will increase depending on the position where the workpiece and the pressure plate come into contact. It may be possible to hinder movement. In particular, if there is some wrinkle between the work transport by the transport means and the timing of the pressing operation by the cylinder, the work transported while the rod is extended will hit the side of the press plate or the rod. As a result, a large moment was generated, and the device could not withstand and could be destroyed or deformed.

  The present invention has been made in view of the above problems, and even when the stroke of the cylinder that pushes out the workpiece is large, the safety of the operator is high because the danger of pinching in the movable part is small, It also has a rigidity that can withstand external forces such as moments that can occur when the workpiece comes into contact with the cylinder being extended, and therefore aims to provide a sorting device that does not easily break or deform. Yes.

The sorting device 1 according to claim 1 is:
In the sorting device 1 that pushes the workpiece W conveyed by the conveying device 2 out of the conveying device 2,
A cylinder 4 provided with a telescopic rod 5 and fixed in place;
An outer cover 8 which houses the cylinder 4 and is fixed at a predetermined position;
A pair of guide members 6 fixed in place;
A gate 9 which is fixed to the tip of the rod 5 and pushes out the workpiece W when the rod 5 extends;
An inner cover 10 attached to the gate 9 and protruding and retracting with respect to the outer cover 8 as the rod 5 expands and contracts;
Both ends of the cylinder are symmetrically arranged, and both ends are fixed to the gate and the inner cover, and the gate 9 and the inner cover 10 move with respect to the guide member 6 when the rod 5 expands and contracts. A pair of guide members 7 guided in a slidable manner ,
It is characterized by having.

According to the sorting apparatus 1 described in claim 1, during the sorting operation, the cylinder 4 is actuated to extend the rod 5, the gate 9 is advanced, and the workpiece W is pushed out of the conveying means 2. The gate 9 is degenerated and returned to its original position. During this operation, the inner cover 10 attached to the gate 9 appears and disappears with respect to the outer cover 8 as the rod 5 expands and contracts, so that the operator can use the rod 5 and gate 9 of the cylinder 4 and the outer cover 8 on the main body side. There is little risk of pinching your fingers between them. Further, the gate 9 that presses the workpiece W is not supported only by the rod 5 of the cylinder 4, but the inner cover 10 is fixed to the gate 9, and is further disposed symmetrically on both sides of the cylinder 4. A pair of guide members 7 connect the gate 9 and the inner cover 10, and the gate 9, the inner cover 10, and the guide member 7 are integrally formed as a whole. The pair of guide members 7 are guided with respect to the pair of guide members 6 fixed at predetermined positions, so that the gates 9 and the like are integrated to reciprocate by driving the cylinder 4. Therefore, even when a large moment is applied to the gate 9 from the workpiece W during pressing, rigidity sufficient to withstand as the sorting device 1 is realized.

It is a figure at the time of standby of the sorting device of a 1st embodiment, (a) is a top view and (b) is a side view. It is a figure at the time of discharge operation of the sorting device of a 1st embodiment, and (a) is a top view and (b) is a side view.

  The sorting device 1 according to the embodiment will be described with reference to FIGS. 1 and 2. The sorting device 1 is a device that pushes and moves a workpiece W, which has been conveyed by a belt conveyor 2 as a conveying device, on the belt in a direction orthogonal to the conveying direction, and pushes the workpiece W out of the conveying surface of the belt conveyor 2. It is.

On one side of the belt conveyor 2 attached to a base (not shown), a frame 3 serving as a base of the apparatus is arranged in parallel with the transport direction. A cylinder 4 is fixed to the upper surface of the frame 3 in a direction orthogonal to the transport direction. The cylinder 4 is provided with a telescopic rod 5. At the standby position (retracted position), the tip of the rod 5 is outside the conveying surface of the belt conveyor 2. Such a cylinder 4 may be a hydraulic or pneumatic drive cylinder or an electrically operated solenoid, regardless of the operating principle. Any device that can reciprocate is acceptable.
In the following description of the present embodiment, if the cylinder 4 is used as a reference, the side on which the rod 5 protrudes and protrudes (relatively to the left in FIG. 1) is regarded as the front of the entire apparatus, and the rod 5 protrudes and protrudes. The opposite side (relative to the right in FIG. 1) is considered to be the rear side, and this view is used as a reference for the front and rear of the apparatus, the configuration of the apparatus of the present embodiment, the arrangement of the parts, the position of the parts, etc. It shall be applied in the explanation of relationships.

  On the upper surface of the frame 3, the guide members 6 are respectively fixed at two positions that are symmetrical with respect to the cylinder 4 in plan view and that are close to the front end of the cylinder 4. The guide member 6 guides a round bar-shaped guide member 7 described later so as to reciprocate in the axial direction, and the guide direction is the same as the direction in which the rod 5 of the cylinder 4 reciprocates.

  An outer cover 8 is placed on the upper surface of the frame 3 so as to accommodate the cylinder 4 and the guide member 6 therein, and is fixed to the frame 3. The outer cover 8 has a substantially rectangular parallelepiped box shape, and its lower surface and front surface are open.

  A gate 9 is fixed to the tip of the rod 5 of the cylinder 4. The gate 9 is a substantially rectangular parallelepiped member that is long in the horizontal direction perpendicular to the axial direction of the cylinder 4, and is connected to the rod 5 on the rear surface side of the central portion thereof. As shown in FIG. 1A, the front surface of the gate 9 that contacts the workpiece W is outside the conveying surface of the belt conveyor 2 and substantially coincides with the edge of the belt at the standby position (retracted position). It is arranged at the position. Then, waiting for the workpiece W to be conveyed at this position, when the belt conveyor 2 conveys the workpiece W, it is moved onto the conveying surface by the cylinder 4 driven at a predetermined timing, and the position (at the time of the discharging operation shown in FIG. Proceed to the pushing position) and push the work W out of the belt. At this time, as shown in FIG. 2 (b), the workpiece W or the operator's finger or the like is not caught between the lower end surface of the gate 9 and the conveying surface of the belt conveyor 2, but it is excessive with the belt. A slight gap is created so as to avoid excessive friction and interference. After the pushing operation, the cylinder 4 moves in the reverse direction, and the gate 9 returns to the standby position shown in FIG.

  An inner cover 10 is attached to the rear surface side of the gate 9, that is, the surface opposite to the front surface in contact with the workpiece W. The inner cover 10 is a substantially rectangular parallelepiped box shape that is slightly smaller than the outer cover 8, and the lower surface thereof is open, so that it does not interfere with the cylinder 4 and the guide member 6 and is reduced in weight. As shown in FIG. 1A, in the standby position, the inner cover 10 is not completely stored in the outer cover 8, and protrudes outside the outer cover 8 by an appropriate dimension A. In addition, the structure is such that it is difficult for an operator to hold a finger or the like between the front end surface of the outer cover 8, that is, the end surface facing the rear surface of the gate 9, and the rear surface of the gate 9. Further, the gap B between the inner and outer covers 10 and 8 in the direction orthogonal to the moving direction of the inner cover 10 is also set to be sufficiently narrow (for example, about 5 mm or less). It has a structure that makes it difficult to pinch fingers. Further, as shown in FIG. 2B, a gap larger than the gap between the gate 9 and the conveyance surface is provided between the lower end surface of the inner cover 10 and the conveyance surface of the belt conveyor 2 at the position during the discharging operation. As a result, excessive friction and interference with the belt can be avoided. Since this portion is a portion where the operator is less likely to pinch a finger or the like as the gap between the gate 9 and the belt, there is little problem with such dimensions. When the cylinder 4 is driven and the gate 9 is reciprocated during the above-described discharge operation of the workpiece W, the inner cover 10 moves together with the gate 9 and moves up and down with respect to the outer cover 8 with the above-described safe clearance dimension. can do.

  The reciprocating motion of the gate 9 and the inner cover 10 is guided by the guide member 6 that is a fixed member and the guide member 7 that is slidably inserted through the guide member 6. The guide member 7 is a round bar-like member, and is used as a set of two in this embodiment. These two guide members 7 are arranged so as to be symmetric with respect to the rod 5 and the cylinder 4 in plan view and parallel to the moving direction of the rod 5. The front end portion of each guide member 7, that is, the end portion on the side close to the gate 10, is connected to the rear surface of the gate 9 at a symmetrical position around the rod 5, and the rear end of each guide member 7. The end portions on the side far from the gate 10 are connected to the rear surface of the inner cover 10 at symmetrical positions with the cylinder 4 as the center.

  According to the sorting apparatus 1 of the embodiment described above, during the sorting operation, the cylinder 4 is actuated and the rod 5 is extended and moved from the standby position shown in FIG. 1 to the discharging action position shown in FIG. Then, after the work W is discharged, it returns to the standby position shown in FIG. That is, as the rod 5 of the cylinder 4 extends, the gate 9 advances in a direction orthogonal to the conveying direction of the belt conveyor 2 to push the workpiece W out of the conveying surface, and then the rod 5 is retracted and the gate 9 returns to the original state. Return to position.

  During this operation, the inner cover 10 attached to the gate 9 is in a state of covering the rod 5 and the guide member 7 and moves in and out while maintaining a safe setting gap with respect to the outer cover 8 as the rod 5 expands and contracts. Therefore, the situation in which the operator can touch the rod 5 and the guide member 7 of the cylinder 4 does not occur at all, and the work is performed between the gate 9 and the front end surface of the outer cover 8 or in the gap between the inner and outer covers 10 and 8. There is little risk that a person will pinch a finger.

  The gate 9 that presses the workpiece W is not supported only by the rod 5 of the cylinder 4, but the inner cover 10 is fixed to the gate 9, and the gate 9 and the inner cover 10 are further connected to the guide member 7. The plate-shaped gate 9, the box-shaped inner cover 10, and the pair of rod-shaped guide members 7 are integrally formed as a whole to realize a highly rigid structure. In particular, the rear end portions (the end portions on the side opposite to the gate 10) of the two guide members 7 for guiding the movement of the gate 9 are different from connecting with a simple plate material, and are boxes having a high strength surface structure. Since it is connected and integrated with the rear surface of the inner cover 10, the rigidity as the structure is very high. The pair of guide members 7 disposed symmetrically on both sides of the cylinder 4 are guided with respect to the pair of guide members 6 fixed to the frame 3 so that the structure including the gate 9 is integrated. The cylinder 4 can be reciprocated by driving. Therefore, if a large moment is applied to the gate 9 from the workpiece W during pressing, or the rod 5 of the cylinder 4 is extended, the workpiece W hits the side surface of the gate 9 or the inner cover 10 to generate a large moment. Even in such a case, the apparatus is less likely to be damaged or deformed, and a large rigidity is realized as the sorting apparatus 1.

  In the description of each of the above embodiments, a pair of the guide member 6 and the guide member 7 is provided in a symmetrical arrangement with the cylinder 4 as the center. If three or more sets are provided, higher rigidity due to a higher guiding effect can be obtained.

  In the embodiment described above, as described with reference to FIG. 2B, the gap between the lower end surface of the inner cover 10 and the conveying surface of the belt conveyor 2 is set at the gate 9 at the position during the discharging operation. However, the lower end surface of the gate 9 and the lower end surface of the inner cover 10 are substantially matched, and the belt conveyor 2 is transported to such an extent that each lower end surface does not excessively friction and interfere with the belt. You may comprise so that a surface may be contact | connected. In this way, the risk that an operator may pinch a finger or the like between the moving part of the sorting device 1 and the transport surface is further reduced.

DESCRIPTION OF SYMBOLS 1 ... Sorting device 2 ... Belt conveyor as a conveying device 4 ... Cylinder 5 ... Cylinder rod 6 ... Guide member 7 ... Guide member 8 ... Outer cover 9 ... Gate 10 ... Inner cover W ... Workpiece

Claims (1)

In the sorting device (1) for extruding the work (W) transported by the transport device (2) to the outside of the transport device,
A cylinder (4) provided with a telescopic rod (5) and fixed in place;
An outer cover (8) housed in the cylinder and fixed in place;
A pair of guide members (6) fixed in place;
A gate (9) that is fixed to the tip of the rod and pushes out the workpiece when the rod extends;
An inner cover (10) attached to the gate and extending and retracting with respect to the outer cover as the rod expands and contracts;
Symmetrically arranged on both sides of the cylinder, both ends are fixed to the gate and the inner cover, and slidable relative to the guide member when the gate and the inner cover move as the rod expands and contracts a pair of guide members guided in (7),
A sorting device (1) characterized by comprising:

Images