JP4967525B2 - Glass plate or pallet carrying carriage and transfer device for the carriage - Google Patents

Description

  The present invention relates to a transport carriage that can automatically transport a transport carriage on which a glass plate or a pallet is placed to a predetermined position such as a processing facility in another position on the same site, and a transfer method thereof. is there.

  Since glass plates are brittle, they are generally stored and transported in a stacked state in a vertical orientation in a packaging container such as an iron pallet. However, pallets loaded with heavy glass plates ranging from hundreds of kilograms to tons, including glass plates and pallets, can be used in the same factory premises, for example, for the production of multi-layer glass, glass plate switching lines, When supplying to the input part of another process such as a processed glass production line, or when moving, the pallet itself does not have a moving means, so it is transported by another transport means such as a forklift, tow truck or crane. You must move by hanging or moving.

  On the other hand, as a thing that can load and move glass plates in a leaning posture, a carriage called a so-called horse is often used, and it is equipped with a caster that can rotate at four corners, so it can be moved to a desired position. It is.

  As an example of such a device for transporting a carriage loaded with glass plates to a predetermined position, FIG. 4 of Japanese Patent Application Laid-Open No. 11-100121 by the present applicant aligns the guide rolls of the carriage with a guide roller guide, A trolley transport device that transports a trolley transport conveyor from a trolley supply section to a trolley take-out section is disclosed (Patent Document 1).

Further, for example, Japanese Patent Application Laid-Open No. 2004-338786 discloses a plate glass body transporting tool in which a pallet can be moved by fixing the glass plate stacking pallet to a detachable support cart (Patent Document). 2).
Japanese Patent Laid-Open No. 11-100121 JP 2004-338786 A

  Since the invention described in the above-mentioned Patent Document 1 conveys a conveyance carriage loaded with glass plates on a carriage conveyance conveyor, the width of the conveyance carriage over the entire conveyance length of the carriage. The trolley transport conveyor must be permanently fixed on the floor surface, and even after the transport trolley has been moved to the predetermined position, the trolley transport conveyor occupies a large area on the floor surface. Get in the way.

  In addition, as described in Patent Document 2, it is not always sufficient to provide a trolley equipped with a pallet loaded with glass plates, or the transport trolley to an input section of another process in the same factory site. It is not always possible to secure a large space area, it is not easy to transport a pallet with a tow truck, or to transport a narrow space with a transport cart loaded with glass plates, and to bring the transport cart into contact with the equipment, etc. The trouble of this was also considered, and there was a case where it became a safety problem.

  Also, in the method of suspending the pallet with a crane or the like and supplying the glass plate to the position near the input part, the heavy pallet passes over the equipment and the work place. In some cases, it was difficult to ensure sufficient safety, and work had to be interrupted.

  The present invention aims to solve the above-mentioned problem, that is, the drive device for moving the transport carriage to a predetermined position smoothly does not occupy a large floor surface, but smoothly along the transport rail only in a narrow passage space. An object of the present invention is to convey the moving device without causing troubles such as contact with surrounding devices during the conveyance, and to convey safely and quickly as compared with a suspended conveyance by a crane or the like.

That is, the present invention relates to a transfer device for a transfer carriage that clamps a transfer carriage on which a glass plate or a pallet is loaded and transfers a predetermined section along the transfer rail, and is capable of traveling along the transfer rail and the transfer rail. Conveying means comprising a traveling member;
The clamping means is supported by the traveling member and clamps and fixes the back surface of the transport carriage, and the positioning means for positioning the carriage at the position of clamping and fixing by the clamping means. It consists of a pair of guide rails parallel to the transport rails and a positioning stopper provided near the exit of the guide rails. The pair of guide rails is widened at both ends, and the intermediate part is parallel and transported. A predetermined position that is substantially coincident with the width of the carriage, and that the carriage is entered from the entrance side of the guide rail and stopped by the positioning stopper, so that the carriage is clamped by the clamping means. It is the transfer apparatus of the conveyance trolley characterized by the above-mentioned.

  Alternatively, in the present invention, when the clamp rod of the clamp cylinder is protruded as the clamp means, the tip of the clamp cylinder is loosely fitted into a concave groove provided in the back surface portion of the transport carriage to clamp the transport carriage. It is the transfer apparatus of the above-mentioned conveyance trolley characterized by being connected by.

  Alternatively, according to the present invention, the clamp rod in a protruding state of the clamp cylinder can be inserted into a perforated portion in a rod guide fixed to the traveling member, and the tip of the clamp rod protruding from the rod guide is connected to the rear portion of the transport carriage. In the above-described transfer carriage transfer apparatus, the clamp rod is prevented from being deformed by pulling the transfer carriage by a clamp, and is loosely connected in a recessed groove portion provided in the groove.

  Alternatively, the present invention is characterized in that the transport carriage clamped by the clamping means is pulled by the transport means and travels on the floor surface by wheels provided at the lower four corners of the transport carriage. It is a transfer device for a transport carriage.

Alternatively, the present invention is the transfer device for a transfer carriage described above, wherein the positioning stopper protrudes into and comes into contact with the tip of the transfer carriage by a cylinder.

  Alternatively, the present invention is a transport cart used in the transport cart transport device described above, and has a concave groove portion clamped at a position corresponding to the clamp position of the clamp means on the back frame side of the transport cart. It is the conveyance board for glass plates or pallet loading characterized by the above-mentioned.

  Alternatively, the present invention is the above-described glass plate or pallet loading conveyance cart, characterized in that guide rolls that freely rotate in contact with the guide rails are provided in the vicinity of the four corners of the conveyance cart.

  Alternatively, the present invention provides a transport carriage fixing means for locking the movement of the transport carriage at the front end or the rear end of the transport carriage, and a lifting rod when the carriage fixing means is lowered by a spring provided in the transport carriage fixing means. The above glass plate or pallet loading carriage is characterized in that it can follow the change in height between the lower end and the floor surface.

  Alternatively, in the present invention, an L-shaped hook is provided in parallel with the floor rail from the upper end of the rod supported to be movable up and down along the left and right sides of the back frame of the transport carriage, and loaded on the transport carriage. The glass plate or pallet carrying carriage described above, wherein the glass plate or pallet is prevented from overturning.

  Alternatively, the present invention is the above-described glass plate or pallet loading transport cart, characterized in that a transport cart fixing means for locking the movement of the transport cart is provided at the front end or the rear end of the transport cart.

  According to the present invention, the drive device that moves the transport carriage to a predetermined position does not occupy a large area floor surface, and therefore does not get in the way.

  Further, since the pallet placed on the transport carriage is clamped and pulled and transported along the transport rail, it can be transported and moved along the transport rail only in a narrow passage space. In addition, it can be transported safely without any trouble such as contact with peripheral devices.

  In addition, by hanging a heavy pallet with a crane or the like, the glass plate is not supplied to the position near the input part by passing over the equipment or work place, so the work is not interrupted during transportation by hanging, Can be transported safely.

  As shown in FIG. 1, according to the present invention, the carriage positioning means 10 includes a carriage 40 loaded with a plurality of glass plates in a standing posture or a carriage 40 loaded with a pallet on which a plurality of glass plates are stored and loaded. After the positioning, the conveyance carriage 40 is clamped by the clamping means 20 provided on the traveling member 34, and the traveling member 34 is caused to travel by the conveyance means 30 so that the conveyance carriage 40 is pulled and transferred to a predetermined position. This is a cart transfer device 1.

  In other words, the carriage positioning means 10 causes the conveyance carriage 40 to pass between a pair of guide rails 11, 11 having both ends widened and the middle portion being parallel and substantially coincident with the width of the conveyance carriage 40. The front end side of the transport carriage 40 can be positioned by positioning in the width direction 40 and bringing the positioning stopper 12 provided near the exit of the guide rails 11 and 11 into contact with the front end of the transport carriage 40.

  Further, the positioning stopper 12 of the transport carriage 40 is provided at the tip of a rotary or direct acting actuator or cylinder rod, and the positioning stopper 12 protrudes from the tip of the transport carriage 40 when these cylinders are operated. The carriage can be stopped by making it come into contact.

  An operator manually moves the carriage 40 between the pair of guide rails 11 and 11, but in this case, the entrance end of the pair of guide rails 11 and 11 is widened, so the carriage 40 Can be easily entered.

  Further, when the transport carriage 40 passes through the intermediate portion of the pair of guide rails 11, 11, all of the guide rolls 44, 44,... Provided near the four corners of the transport carriage 40 are Since the distance between the intermediate portions of the pair of guide rails 11 and 11 is set so as to abut on and rotate freely, the conveyance carriage 40 can be positioned in the width direction.

  Next, the clamping means 20 includes the clamping cylinders 22, 48 in the at least two concave grooves 48, 48 provided on the back frame side of the floor frame 41 of the transport carriage 40 positioned by the pair of guide rails 11, 11. 22, the clamp rods 23, 23 are projected, the ends of the clamp rods 23, 23 are loosely fitted into the concave grooves 48, 48, and the transport carriage 40 is clamped and fixed by the clamp means 20.

  Further, the transport means 30 is provided with a support member 21 on a traveling member 34 that extends parallel to the guide rails 11 and 11 and extends in the exit direction and is slidable on the transport rail 31 supported by the gantry 32. The conveyance carriage 40 clamped by the clamping means 20 attached to the member 21 is pulled so that it can travel along the conveyance rail.

  The conveyance carriage 40 clamped by the clamping means 20 is pulled by a conveyance motor 33 (see FIG. 2) of the conveyance means 30 while the conveyance carriage 40 has wheels 46 provided on the floor at the lower four corners of the conveyance carriage 40. , 46, ...

  Further, as the clamp means 20, when the clamp rod 23 of the clamp cylinder 22 is protruded, the tip thereof is loosely fitted into the recessed grooves 48 and 48 provided on the floor frame 41 on the back side of the transport carriage 40. Then, the transport carriage 40 is connected and fixed by the clamping means 20, and the transport carriage 40 is pulled and transported by the transport means.

  It should be noted that the clamp rod 23 of the clamp cylinder 22 has an outer diameter and a material that are strong enough to pull the carriage 40, and is attached to the traveling member 34 at the tip position of the clamp rod 23. Rod guides 26 and 26 fixed via the rod guides, the clamp rods 23 and 23 are inserted into the perforations provided in the rod guides 26 and 26, and the rod guides 26 and 26 penetrate through the perforations. When the leading end portion of the clamp rod 23 is loosely connected to the recessed grooves 48 and 48 provided on the back surface side of the floor frame 41 of the transport carriage 40, when the transport carriage 40 is pulled by the clamping means 20. This is preferable because the deformation of the clamp rod 23 can be prevented.

  Alternatively, although not shown, the clamping means 20 is provided with concave grooves or through holes on the upper and lower surfaces of a plate-like member attached to the back side of the floor frame 41 of the transport carriage 40, and can be opened and closed as clamping means. The protrusion provided at the tip of the plate-like member may be clamped by being sandwiched so as to be hooked in the recessed grooves on both the upper and lower surfaces of the plate-like member or through holes.

  The glass plate or pallet loaded on the transport carriage 40 clamped by the transfer device is transported to a predetermined position by the transport means 30, and when the glass plate is removed from the transport cart 40 at the predetermined position, the transport is performed. After the carriage 40 is returned to the position (origin position) of the positioning stopper 12 of the guide rails 11 and 11 by the conveying means 30 while being clamped by the clamping means, the operation of the clamp cylinder 22 is released to release the clamping state. The transport carriage 40 is moved from the guide rails 11 and 11.

  Alternatively, when the removal of the glass plate from the transport carriage 40 in the clamped state at the predetermined position is completed, the clamp of the transport carriage is released, and only the clamping device is returned to the positioning stopper position of the guide rail, and it becomes empty. The transport cart can also be moved manually by a worker from the position where the clamp is released.

  That is, when releasing the conveyance carriage 40 at a predetermined position as the transfer destination, the clamp means 20 immediately follows the guide rail 11 after the conveyance carriage 40 is released regardless of the presence or absence of the glass plate 2 on the conveyance carriage 40. In this case, the transport carriage 40 is manually moved by an operator.

  Further, when the transporting carriage 40 is transported to the predetermined position by the transfer device 1, the glass plate or the pallet on the transporting carriage 40 is once transferred onto a loading base provided in the vicinity of the predetermined position. The upper glass plate or pallet may be emptied and the clamping means of the transfer device may be returned to the origin position.

  When the transport carriage 40 is returned to the guide rails 11 and 11 and collected, the transport carriage 40 may be kept in the clamped state by the clamping means 20.

  As shown in FIG. 5, monitoring area cameras 35 and 35 are arranged at the front end and rear end of the traveling member 34, respectively, and an operator or an obstacle is detected immediately before the transport carriage 40 in the traveling direction. In this case, the conveying means is stopped so as not to cause an accident or trouble.

The following is a transport carriage 40 for use with the transfer device 1 of the present invention.
The conveyance carriage 40 used in the present invention is a conveyance carriage 40 for loading a glass plate 2 or a pallet as shown in FIGS. 2 and 3, and is loaded with a glass plate as shown by a two-dot chain line in FIG. When this is done, a plurality of glass plates and slip sheets are alternately stacked and placed on the floor rail 49.

  Further, when the pallet is loaded on the transport carriage, the lower side of the pallet is abutted and supported by the floor rail 49 like the glass plate.

  As shown in FIGS. 3 and 4, the transport carriage 40 of the present invention is disposed on a floor frame made of a frame material framed in a rectangular shape vertically and horizontally so that the back frame is inclined, and has a long side. It is a transport cart that loads a relatively large glass plate having a length of 2 m or more, or a pallet that cannot store such a large size glass plate.

  Further, the transport carriage of the present invention is a transport carriage 40 used in the transfer apparatus 1 of the transport carriage, and has concave grooves 48 and 48 on the floor frame 41 on the back frame 42 side of the transport carriage 40, When the positioned transport carriage is clamped by the clamping means 20 of the transfer device 1, the clamping position of the clamping device is set to the position of the concave grooves 48 and 48.

  In the vicinity of the four corners of the transport carriage 40, guide rolls 44, 44,... That freely rotate in contact with a pair of guide rails 11, 11 arranged in parallel are provided.

  Further, L-shaped hooks 43a, 43a are provided in parallel to the floor rail 49 from the upper ends of the rods 43, 43 supported so as to be movable up and down along the left and right sides of the back frame 42 of the transport carriage 40. Prevents the glass plate or pallet loaded on top from toppling over. The rods 43 and 43 are slidable up and down in a pipe attached in parallel to the back frame, and are rotatable in the horizontal direction, and descend by their own weight.

  Usually, the rods 43, 43 of the hooks 43a, 43a can stand by in a direction parallel to the upper side of the loaded glass plate 2, and after loading the glass plate 2 or pallet, the levers at the lower ends of the rods 43, 43 Can be rotated in a direction perpendicular to the upper side of the glass plate 2, and when the rods 43 and 43 are lowered by their own weight, they come into contact with the upper end of the glass plate and are positioned at the front side of the frontmost glass plate of the glass plate 2. The glass plate can be prevented from overturning by the bent portions of the L-shaped hooks 43a and 43a.

  In addition, movable back plates 51 and 51 that are slidable in the width direction of the back frame are provided outside the left and right sides of the back frame 42, respectively. The movable back plate is adjusted by pulling out a necessary length by a handle provided on the side of the movable back plate, fixing the movable back plate to the movable back plate, and a small-diameter pipe-like member 53 provided with a plurality of perforations at a constant pitch. At least one perforated portion having an inner diameter slightly larger than the outer diameter of the small-diameter pipe-shaped member 53 and having the position of the perforated portion coincided with any of the perforated portions provided in the small-diameter pipe-shaped member 53 is provided. The large-diameter pipe-shaped members 52, 52 are fixed to the fixed back frame, and the large-diameter and small-diameter pipe-shaped members 52, 53 are fitted to each other so that the large-diameter pipe-shaped members 52, 52 are in desired positions. And the small-diameter pipe-shaped members 53, 53 are aligned with each other and fixed with a fixing pin (not shown).

  The transport cart 40 of the present invention is a transport cart 40 loaded with a plurality of large glass plates 2 and a large plate pallet that cannot stand independently, and a main wheel 45 and an intermediate portion on the long side of a conventionally known floor frame. , Four casters 46, 46 that can swing freely are provided at the four corners of the lower surface of the floor frame, and a total of six wheels are combined with the main wheel 45, and the wheels at the front end or rear end of the transport carriage 40 are provided. A conventionally known transfer carriage fixing means 47 and a release pedal for locking the movement of the transfer carriage are provided. The height of the main wheel 45 is set to be several millimeters higher than the height of the caster 46 so that one of the left and right casters 46, 46 is not in contact with the floor surface.

  Also. Although not shown, one caster 46, 46 that can swing and swing is provided on each of the lower surface of each intermediate portion near the front end and the rear end on the short side, and is aligned with the main wheels 45, 45. A total of four wheels may be used.

  Such a transport cart is a cart suitable for transport in an area that requires a small turn in a factory.

  In addition, when fixing the conveyance trolley 40 to a floor surface in the state which is not clamped by the clamp means, the pedal (refer FIG. 2) of the trolley | bogie stopper 47 of a conveyance trolley is stepped on, and it fixes to a floor surface.

  As mentioned above, although preferred embodiment was described, this invention is not limited to this, Various application can be considered.

  Below, the usage method of the transfer apparatus of the conveyance trolley | bogie of this invention is described. As shown in FIGS. 2 to 4, a transport carriage 40 on which a plurality of glass plates are stacked in a standing posture is carried into a pair of parallel guide rails 11 and 11. The conveyance carriage 40 is positioned in the width direction by the guide rails 11, 11, and the positioning stopper 12 (see FIGS. 3 and 4) is projected by the operation of the rotary actuator provided at the tip of the guide rail 11. Then, the transport carriage 40 is stopped.

  After the positioning is completed by the carriage positioning means 10, the two clamp cylinders 22, 22 of the clamping means 20 are operated, and the clamp rods 23, 23 are inserted into the recessed grooves 48, 48 of the conveyance carriage 40 to clamp the conveyance carriage 40. To do.

  When the clamping of the conveyance carriage 40 is completed by the clamp cylinders 22 and 22, the operation of the rotary actuator is returned to retract the positioning stopper 12 from the conveyance carriage.

  Next, the traveling member 34 that supports the clamp cylinder is caused to travel by the transport means 30, and the transport cart 40 is automatically pulled and transferred to a predetermined position.

  When the carriage 40 is stopped at a predetermined position, the hooks 43a, 43a for preventing the glass plate from falling are released, and the glass plates are taken out one by one, or a plurality of the glass plates are collectively transferred onto a loading table (not shown), Glass sheets are supplied to the next process one by one from the loading table.

  When the glass plate 2 on the transport carriage 40 becomes empty, the transport carriage 40 is returned to the position of the positioning stopper 12 of the guide rails 11 and 11 by the transport means 30 while being clamped, and then the clamp cylinder 22 is operated. Is released to release the clamped state, and the carriage 40 is moved out of the guide rails 11 and 11.

The perspective view of the conveyance trolley | bogie of this invention, and its transfer apparatus. The front view of the conveyance trolley | bogie of this invention, and its transfer apparatus. The side view of the conveyance trolley | bogie of this invention, and its transfer apparatus. The top view of the conveyance trolley | bogie of this invention, and its transfer apparatus. The top view of the transfer apparatus of the conveyance trolley | bogie of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Transfer apparatus 2 Glass plate 10 Carriage positioning means 11 Guide rail 12 Positioning stopper 20 Clamping means 21 Support member 22 Clamp cylinder 23 Clamp rod 24 Traveling guide 25 Rubber roller 26 Rod guide 30 Conveying means 31 Conveying rail 32 Pedestal 33 Conveying motor 34 Traveling member 35 Area Camera 40 Conveyor Cart 41 Floor Frame 42 Back Frame 43 Rod 43a Hook 44 Guide Roll 45 Main Wheel 46 Caster 47 Cart Stopper 48 Concave Groove 49 Floor Frame 50 Movable Back Frame Adjusting Means 51 Movable Back Frame 52 Large Diameter Pipe-shaped Member 53 Pipe member with small diameter

Claims (10)

In the transfer device of the transfer carriage that clamps the transfer carriage loaded with glass plates or pallets and transfers the predetermined section along the transfer rail ,
Transport means comprising the transport rail and a travel member that can travel along the transport rail;
Clamp means which is supported by a support member provided on the traveling member and clamps and fixes the back surface of the transport carriage;
A positioning means for positioning the transport carriage at a position to be clamped by the clamping means;
The positioning means comprises a pair of guide rails parallel to the transport rail, and a positioning stopper provided near the exit of the guide rail,
The pair of guide rails are widened at both ends thereof, the intermediate portion thereof is parallel and substantially coincides with the width of the transport carriage,
The conveyance carriage is positioned at a predetermined position for being clamped and fixed by a clamping means when the conveyance carriage enters from the entrance side of the guide rail and is stopped by the positioning stopper. Carriage transfer device. As the clamp means, when the clamp rod of the clamp cylinder is protruded, the tip of the clamp cylinder is loosely fitted into a concave groove provided on the back surface of the transport carriage, and the transport carriage is connected by the clamp means. The transfer device for a transport carriage according to claim 1. The clamp rod in the protruding state of the clamp cylinder can be inserted into a perforated portion in a rod guide fixed to the traveling member, and the tip of the clamp rod protruding from the rod guide is in a concave groove portion provided on the back surface portion of the transport carriage. 3. The transfer device for a transfer carriage according to claim 2, wherein the transfer rod is loosely connected to prevent the clamp rod from being deformed by pulling the transfer carriage by a clamp. 4. The conveyance carriage clamped by the clamping means is pulled by the conveyance means and travels on a floor surface by wheels provided at the lower four corners of the conveyance carriage. The transfer apparatus of the conveyance cart as described. The transfer device for a transfer carriage according to any one of claims 1 to 4, wherein the positioning stopper protrudes into and comes into contact with a tip of the transfer carriage by a cylinder. It is a conveyance trolley used with the transfer apparatus of the conveyance trolley of Claims 1 thru | or 5, Comprising: It has the ditch | groove part clamped in the position corresponding to the clamp position of the said clamp means in the back frame side of the said conveyance trolley. A carriage for loading glass plates or pallets. 7. The glass plate or pallet loading conveyance cart according to claim 6, wherein guide rolls that freely rotate in contact with guide rails are provided in the vicinity of the four corners of the conveyance cart. An L-shaped hook is provided in parallel to the floor rail from the upper end of the rod supported so as to be movable up and down along the left and right sides of the back frame of the transport carriage, and the glass plate or pallet loaded on the transport carriage is overturned. The conveyance cart for loading glass plates or pallets according to claim 6 or 7, wherein The glass according to any one of claims 6 to 8, further comprising a movable back plate whose position can be adjusted in the width direction of the back frame by sliding and moving outward from both left and right sides of the back frame. Transport cart for loading plates or pallets. The glass plate or pallet loading transport cart according to any one of claims 6 to 9, wherein a transport cart fixing means for locking movement of the transport cart is provided at a front end or a rear end portion of the transport cart.

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