JP2009255860A - Traverser - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a traverser enabling reduction in facility cost by reducing size and weight and suppressing height. <P>SOLUTION: The traversers are installed opposite to each other at both ends of conveyor lines arranged parallel to each other, respectively, and transfer, one by one, surface plate vehicles which travel on the conveyor lines in a linked state to the adjacent conveyor line. The traverser comprises a pair of first rails positioned orthogonal to the conveyor lines and laid down parallel to each other at both ends of a base frame body, the conveyor vehicles allowed to travel on the first rails to the loading/unloading position of the surface plate vehicles at one end of each conveyor line with wheels interposed therebetween, a conveyor mechanism for traveling the conveyor vehicles along the pair of first rails, and a rack and pinion moving mechanism having a push-out function and a damping mechanism which is mounted on the conveyor vehicles and used for transferring the surface plate vehicles. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a traverser. More specifically, a plurality of platen carriages that are installed opposite to both ends of a plurality of conveyance lines arranged in parallel and run in a daisy chain state (a dumpling state) on the conveyance lines are moved one by one to the adjacent conveyance lines. It relates to the traverser to replace.

Conventionally, a plurality of cooling lines arranged in parallel with the pouring line, a mold separation line arranged in parallel with the pouring line across the cooling line, an end of the pouring line, and the cooling line A mold carry-in line that connects each start end, a mold carry-out line that connects each end of the cooling line and the start end of the mold release line, and a first transfer device that can run on the mold carry-in line ( There is a molding equipment provided with a first traverser) and a second transfer device (second traverser) that is allowed to run on the mold carry-out line (see Patent Document 1).
The first and second traversers are, for example, as shown in FIG. 7, a pair of rails 102 laid in parallel on both ends of the base frame 101, and the rails 102 that can run through wheels 103. Transport carriage 104, a servo motor 105a attached to the side of the transport carriage 104, a rack 105b laid on the base frame 101 between the pair of rails 102, and a rack attached to the shaft end of the motor 105a. The conveyance mechanism 105 which consists of the pinion 105c which meshes with 105b, and the electric servo cylinder 106 installed in the said conveyance trolley 104 are comprised.
A rail 108 that can be connected to each cooling line L is laid on the left side of the upper surface of the transport carriage 104 so that a single platen carriage 107 can be loaded. The electric servo cylinder 106 is installed on the right side of the upper surface of the transport carriage 104 with the rod head 106a facing the platen carriage 107.

Japanese Patent No. 3125975

However, the electric servo cylinder 106 loaded on the transport carriage 104 includes a servo motor 106b, a ball screw, a guide rod, and a conversion mechanism that converts the rotation of the servo motor 106b into a linear motion of the ball screw. Larger and heavier. For this reason, it is necessary to make the base frame 101 supporting the transport carriage 104 large and sturdy. In addition, it is necessary to increase the size of the cable guide member 109 for the power supply line and the signal line for guiding the large wiring cable.
As a result, the traverser loaded with the electric servo cylinder 106 becomes large in size and must be installed in the pit 110, so that it is difficult to reduce the equipment cost.

  In view of the above circumstances, an object of the present invention is to provide a traverser capable of reducing the equipment cost by reducing the size and weight of the traverser and reducing the height of the traverser.

  The traverser according to the present invention is installed opposite to both ends of a plurality of transport lines arranged in parallel, and traversers for moving a plurality of platen carriages traveling in a daisy chain on the transport lines one by one to adjacent transport lines. The traverser is perpendicular to the transport line and is laid in parallel on both ends of the base frame body, and one end of each transport line via a wheel on the first rail. A transport carriage that is allowed to travel to the loading / unloading position of the surface plate carriage, a transport mechanism that causes the transport carriage to travel along the pair of first rails, and the surface plate carriage that is mounted on the transport carriage It is characterized by comprising a rack-and-pinion type moving mechanism having an extruding function and a buffering function when transferring.

According to the present invention, compared to a traverser loaded with an electric servo cylinder, by using a rack and pinion type moving mechanism, the traverser can be made smaller and lighter, and the height of the traverser can be kept low. .
Thereby, it is not necessary to provide a pit at the installation location, and pitlessness can be achieved, so that the equipment cost can be reduced.

The traverser of the present invention will be described below with reference to the accompanying drawings. As shown in FIGS. 1 to 5, a traverser T according to an embodiment of the present invention is installed opposite to both ends of cooling lines L <b> 1 and L <b> 2 as conveying lines arranged in parallel in the molding equipment. On the rails L1a and L2a of the cooling lines L1 and L2, a plurality of platen carriages W are ridden so as to be able to travel in a daisy chain. Then, the traverser T transfers the platen carriage W on the cooling line L1 one by one to the adjacent cooling line L2. On the surface plate carriage W, a frameless mold or a framed mold is placed.
In FIGS. 1 and 2, the symbol X is the traveling direction of the surface plate carriage W. Further, in the present embodiment, one of the traversers (the traverser on the right side of the drawing) is omitted from the cooling line (a part on the right side of the drawing) and the traverser T arranged to face each other for the sake of clarity. .

  The traverser T is cooled by a pair of first rails 2 laid in parallel on both ends 1 a of a base frame body 1 laid on a floor F, and four wheels 3 on the first rails 2. A transport carriage 4 that is allowed to travel to a loading / unloading position P of the surface plate carriage W at one end of the lines L1, L2, a transport mechanism M1 that travels the transport carriage 4 along the pair of first rails 2; And a rack and pinion type moving mechanism M2 mounted on the transport carriage 4. In FIG. 1, the symbol Y is the traveling direction of the transport carriage 4.

  The transport mechanism M1 includes a servo motor 11 attached to a side portion of the transport carriage 4 and a rack 12 laid on the side surface of an intermediate portion 1b erected on the base frame body 1 between the pair of first rails 2. And a pinion 13 which is attached to the shaft end of the motor 11 and meshes with the rack 12.

  Further, it is preferable that a support roller for preventing a lateral shift during traveling is assembled to the transport carriage 4. In the present embodiment, side rollers 14 that rotatably hold both surfaces of the first rail 2 on the loading / unloading position P side of the cooling lines L <b> 1 and L <b> 2 are assembled to the transport carriage 4 as support rollers. In the present embodiment, the pair of side rollers 14 are assembled on both sides of the front end portion (cooling line side portion) of the transport carriage 4, but at the rear end portion (part away from the cooling line) of the transport cart 4. It can also be assembled.

  The rack and pinion type moving mechanism M2 is not particularly limited in the present invention as long as it has a pushing function and a buffering function when the platen carriage W is moved. A pair of second rails 21 that can be connected to the rails L1a and L2a of the cooling lines L1 and L2 that are laid on the upper surface of the transport carriage 4, and the cooling lines L1 via four wheels 22 on the second rails 21 , A movable carriage 23 capable of moving forward and backward toward the loading / unloading position P of the surface plate carriage W of L2, a servo motor 24 mounted on the movable carriage 23, and a conveyance carriage between the pair of second rails 21 4 toward the loading / unloading position P of the surface plate carriage W, the rack 26 laid on the side surface of the upright portion 25 provided in 4, the pinion 27 attached to the shaft end of the motor 24 and meshing with the rack 26. And a head 28. provided on the upper surface of the serial movement trolley 23.

Further, the moving carriage 23 and the conveying carriage 4 are provided with a supporting roller for receiving lifting and lateral displacement and a supporting roller for receiving a load (reaction force) that are generated when the rack and pinion type moving mechanism M2 operates the pushing function and the buffering function. It is preferable to assemble to.
In the present embodiment, in order to prevent the movable carriage 23 from being lifted and laterally displaced, the support roller 29 that holds the second rail 21 from below with respect to the four wheels 22 and the inner surface of the second rail 21 are contacted. The four supporting rollers 30 are rotatably assembled to the lower portions on both sides of the movable carriage 23.
Further, in the present embodiment, in order to receive a load (reaction force) applied to the transport carriage 4, the bottom of the transport carriage 4 at the carry-in / out position P of the surface plate carriage W from the cooling lines L 1 and L 2 is provided. A support roller 31 is rotatably assembled, and a stopper 32 that contacts the support roller 31 is provided at the intermediate portion 1 b of the base frame body 1.

As described above, in the present embodiment, the traverser can be made smaller and lighter by using the rack and pinion type moving mechanism as compared with the traverser loaded with the electric servo cylinder. In addition, the height of the traverser can be kept low.
As a result, it is not necessary to provide a pit at the location where the traverser is installed, so that the equipment cost can be reduced.

Next, the operation of the traverser T configured as described above will be described.
In the present embodiment, a plurality of platen carriages W arranged in series are sandwiched by the heads 28 attached to the movable carriage 23 of a pair of traversers T arranged opposite to both ends of the cooling lines L1 and L2. In the state, the surface plate carriage W on the transport carriage 4 of the traverser T at one end is transferred to the transport carriage 4 of the traverser T at the other end.
In this case, the traverser T at one end functions as a push function for the surface plate carriage W, and the traverser T at the other end functions as a buffer function (cushion) for receiving the surface plate carriage W.

Hereinafter, the traverser T at one end and the traverser T at the other end are displayed as traverser Ta and traverser Tb, and the moving carriage 23 of the traverser Ta and traverser Tb is displayed as moving carriages 23a and 23b, and the operation will be further described.
It should be noted that the movement of the traverser Tb on the right side of the page and the moving carriage 23b placed on the traverser Tb is delayed by half a cycle from the movement of the traverser Ta and the moving carriage 23a on the left side of the page. That is, as will be described later, the change of the surface plate carriage W by the traverser Tb is delayed from the change of the surface plate carriage W by the traverser Ta.

First, as shown in FIGS. 6 (a) and 6 (b), the traverser Ta on the left side of the page and the movement of the moving carriage 23a placed on the traverser Ta are loaded and unloaded corresponding to the unloading side of the surface plate carriage W. After the transport carriage 4 is moved to the position P, the head 28 is moved forward by the transport carriage 23a of the traverser Ta on the transport carriage 4 (this corresponds to an extrusion function), and a travel carriage of a traverser Tb described later. 23b is moved backward (this corresponds to a buffer function), and the surface plate carriage W is pushed out to the transport carriage 4 of the traverser Tb.
Thereafter, as shown in FIGS. 6B and 6C, the transport carriage 4 of the traverser Ta is carried in and out corresponding to the carry-in side of the surface plate carriage W while the head 28 of the moving carriage 23a is moved forward. Move to position P.
At the same time, the transport carriage 4 of the traverser Tb moves to the loading / unloading position P corresponding to the carry-out side of the surface plate carriage W.
Thereafter, as shown in FIG. 6 (d), the moving carriage 23b of the traverser Tb is moved forward (this corresponds to the pushing function) and the moving carriage 23a of the traverser Ta is moved backward (this corresponds to the buffering function). The platen carriage W is sandwiched between the heads 28 of the movable carriages 23a and 23b and decelerated, and the platen carriage W is received by the transport carriage 4 of the traverser Ta. Thereafter, the transport carriage 4 on which the surface plate carriage W is mounted is moved to the carry-out side as shown in FIG. 6A, and the process is completed.

On the other hand, the movement of the traverser Tb on the right side of the paper surface and the moving carriage 23b placed on the traverser Tb moves toward the carry-in side of the surface plate carriage W as shown in FIGS. 6 (a) and 6 (b). On the transport carriage 4 moved to the corresponding loading / unloading position P, the movable carriage 23b is moved backward (this corresponds to a buffer function), and the surface plate carriage W is sandwiched by the heads 28 of the movable carriages 23a and 23b and decelerated. Then, the surface plate carriage W is received by the transport carriage 4 of the traverser Tb.
Thereafter, as shown in FIG. 6C, the transport carriage 4 of the traverser Tb on which the surface plate carriage W is placed is moved to the carry-out side.
Then, as shown in FIG. 6D, the head 28 is advanced (this corresponds to an extrusion function), and the surface plate carriage W is pushed out to the transport carriage 4 of the traverser Ta.
Thereafter, with the head 28 moved forward, the transport cart 4 is moved to the carry-in side as shown in FIG.
By repeating the above-described steps, a plurality of lines and a platen carriage on the cooling line arranged in parallel are circulated.

It is a top view of the traverser concerning one embodiment of the present invention. It is the front view seen from the A arrow direction of FIG. It is the side view seen from the B arrow direction of FIG. It is a schematic sectional drawing of CC line of FIG. It is a schematic sectional drawing of the DD line | wire of FIG. It is a figure explaining operation | movement of the traverser concerning one embodiment of this invention. It is a figure explaining the conventional traverser.

Explanation of symbols

F Floor L1, L2 Cooling line L1a, L2a Cooling line rail M1 Conveying mechanism M2 Rack and pinion type moving mechanism P Loading / unloading position T, Ta, Tb of surface plate carriage W Traverser W Surface plate carriage 1 Base frame body 1a Base frame body Both ends 1b of the base frame body 2 1st rail 3, 22 Wheel 4 Carriage cart 11, 24 Servo motor 12, 26 Rack 13, 27 Pinion 14 Side roller (support roller)
21 Second rail 22 Wheel 23 Moving carriage 25 Standing portion 28 Heads 29, 30, 31 Support roller 32 Stopper

Claims (5)

A traverser that is installed opposite to both ends of a plurality of transport lines that are arranged in parallel, and that transfers a plurality of platen carriages that travel in a daisy chain on the transport lines one by one to an adjacent transport line,
The traverser
A pair of first rails orthogonal to the transport line and laid in parallel on both ends of the base frame body;
A transport carriage that is allowed to travel to a loading / unloading position of a surface plate carriage at one end of each transport line via wheels on the first rail;
A transport mechanism for causing the transport cart to travel along the pair of first rails;
A traverser comprising a rack and pinion type moving mechanism that is placed on the transport carriage and has an extruding function and a buffering function when the surface plate carriage is moved. The rack-and-pinion type moving mechanism is moved forward toward a loading / unloading position of the platen carriage via four wheels on a pair of second rails connectable to the rails of the respective conveyance lines. A movable carriage capable of reversing, a servo motor mounted on the movable carriage, a rack laid on a side surface of an upright portion provided on the conveyance carriage between the pair of second rails, and a shaft end of the motor The traverser according to claim 1, further comprising: a pinion attached and meshing with the rack; and a head provided on an upper surface of the movable carriage toward a loading / unloading position of the platen carriage. The traverser according to claim 1, wherein a support roller that rotatably holds both surfaces of the first rail is assembled to the transport carriage. The support roller which clamps the said 2nd rail with respect to the said 4 wheels from the bottom, and the four support rollers which contact the inner surface of the said 2nd rail are assembled | attached to the lower part of both sides of the said mobile trolley | bogie. 2. The traverser according to 2. The traverser according to claim 1, wherein a support roller is rotatably assembled to a lower portion of the transport carriage at a loading / unloading position of the surface plate carriage, and a stopper that contacts the support roller is provided on the base frame body. .