JP5388694B2 - Rack insertion method and system for rods - Google Patents

Description

  The present invention relates to a rod rack insertion method and a system for inserting a bar material into a plurality of insertion holes provided in a rack one by one.

  Bars such as carbon bars for electrodes and metal bars as machining materials are inserted and set one by one in a number of insertion holes formed in the rack, and transported together for use in the machining process. In some cases, one or a plurality of extrusion holes are extruded from the insertion hole as required in the processing step.

  In such a method and system, rods of the same shape, length, material, specifications, etc. are inserted and stored in advance in each insertion hole of a large rack in which a larger number of insertion holes are formed so that it can be easily managed. Aside from this, by pushing one by one or a plurality by the extrusion mechanism, the processing sequence, length, specifications, number, etc. in the next process were changed to an arrangement as required, and formed into a small rack It is inserted into the support hole and set.

  Here, for example, there is a rack insertion system 101 (not known) shown in FIG. In this rack insertion system 101, a large rack LR in which bars are inserted and set in advance is placed on the large rack extrusion table 102, and the bars are pushed out one by one by a bar pusher 103. The bar is inserted into the support hole of the small rack SR on the small rack insertion table 104.

  Here, if the pushing rod of the bar pushing machine 103 is sufficiently long, the pushing stroke is sufficient, and even if the bar is short, the tip of the bar is pushed in as far as possible by a single pushing operation to align the tips. So-called head alignment.

  However, if the pushing stroke of the bar pushing machine 103 is made sufficiently long, a large space behind the bar pushing machine 103 must be taken. If such a large space behind is taken, useless space is generated in the factory. In practice, as shown in FIG. 7, a wall 109 is close to the back of the bar pushing machine 103 and a sufficient space cannot be taken.

  In such a case, when the bar is short, the pushing by the bar pushing machine is insufficient, so that the small rack SR in which the bar has been inserted passes from the small rack insertion base 104 to the small rack transfer stage 105. Then, the bar is moved onto the small rack stand 106, where the bar is further pushed by the bar second pusher 107 so that the bar ends are aligned (head alignment).

  As described above, when the bar is short, it is necessary to align the heads of the bars in the small rack by the bar second pushing machine. There was a problem of becoming longer.

  This invention has been made in view of the above problems, and without using a bar second pusher, therefore, a small rack transfer process for head alignment by the bar second pusher is unnecessary, It is an object of the present invention to provide a method and a system for inserting a rack of rods that can align the heads of the rods and prevent useless space.

  The above-described problems can be solved by the following embodiments.

  (1) A large rack that holds a plurality of rods in parallel so that they can be taken in and out in the longitudinal direction is placed adjacent to the longitudinal direction of the large rack extrusion table and the large rack extrusion table. A bar pusher capable of pushing the bar inserted in the large rack on the large rack extrusion table in the longitudinal direction, and a push rod that can be moved forward and backward in the longitudinal direction, and the large rack extrusion table A small rack insertion base that can be placed on a side opposite to the bar pushing machine in the longitudinal direction and on which a small rack having a plurality of insertion holes for inserting the bar extruded thereon can be placed. A pinch roller device disposed between the large rack extrusion table and the small rack insertion table, sandwiching the push rod inserted through the large rack extrusion table, and sending and returning in the longitudinal direction; and the small rack insertion device Large rack extrusion table The position of the tip of the bar that is arranged at the end on the opposite side and that is inserted into the small rack on the small rack insertion base, protrudes from the end opposite to the large rack extrusion base in the longitudinal direction. A head aligning device for aligning, wherein the pinch roller device has a bar inserted into an insertion hole of the small rack on the small rack insertion base, the tip of which is from the end of the small rack. A bar rack insertion system characterized in that it can be extruded until it protrudes.

  (2) The head aligning device is disposed in a plane perpendicular to the longitudinal direction of the bar inserted in the small rack on the small rack insertion table, and the tip of the bar contacts the The bar according to (1), comprising: a possible bar stopper; and a head alignment cylinder capable of driving the bar stopper in a direction in which the bar abutting against the bar stopper is pushed back. Rack insertion system.

  (3) The head aligning device includes a tip sensor that detects a tip portion of the bar inserted into the small rack on the small rack insertion base and protruding from the small rack insertion base, and the tip sensor detects the tip portion. The bar rack insertion system according to (2), further comprising: a protrusion amount control device that stops bar pressing by the bar pressing machine based on a detection signal at the tip.

  (4) A step of transferring a large rack into which a plurality of rods can be inserted in the longitudinal direction thereof onto a large rack extrusion table, and a bar disposed adjacent to the longitudinal direction of the large rack extrusion table A step of extruding the bar inserted in the large rack on the large rack extrusion table in the longitudinal direction by a push rod of a material pusher, and a pinch roller device for pushing the push rod extruding the bar The large rack extrusion table is inserted into the insertion hole of the small rack on the small rack insertion table arranged on the opposite side of the bar pushing machine in the longitudinal direction of the large rack extrusion table. A step of pushing the tip from the opposite end until the tip protrudes, and a step of aligning the protruding tip of the bar inserted in the small rack on the small rack insertion base in the longitudinal direction And a bar rack comprising Input method.

  (5) The rod according to (4), wherein the step of aligning the position of the tip portion in the longitudinal direction includes a step of pushing back the protruding tip portion to the tip portion of the small rack at most. Rack insertion method of material.

  (6) The bar in the state of being sandwiched by the pinch roller device during the process of extruding in the longitudinal direction by the push rod of the bar pusher, the bar pusher and the pinch roller device are reversed. Then, after returning to the large rack, the method returns to the step of extruding another bar with the push rod of the bar pusher, and the bar rack insertion method according to (4) or (5) .

  According to this invention, even if it is a short bar, it can insert in a small rack, aligning a bar, without performing the 2nd pushing.

The top view which shows the outline of the rack insertion system of the bar material which concerns on the Example of this invention. Perspective view showing a large rack for storing bars The perspective view similar to FIG. 2 which shows the small rack in which a bar is inserted The perspective view which shows the head alignment apparatus used for the rack insertion system of the bar based on the Example of this invention, and its periphery Side view showing common fork of large rack extrusion table and small rack insertion table in the same embodiment The flowchart which shows the rack insertion method of the bar material which concerns on the Example of this invention. The block diagram which shows the outline of the rack insertion system of the bar before improvement by this invention

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  As shown in FIG. 1, the bar rack insertion system 10 according to the first embodiment includes a large rack extrusion table 12, a bar pushing machine 14, a small rack insertion table 16, a pinch roller device 18, And a head alignment device 20.

  Further, this rack insertion system 10 for rods pushes the rods one by one from the large rack 22 in which a plurality of rods are inserted by the rod pusher 14 and cooperates with the pinch roller device 18 to make small. The small rack 24 that has been inserted into the rack 24 and has been inserted and set with a plurality of bars is carried out.

  The large rack 22 (see FIG. 2; details will be described later) has a holding hole 28 for inserting and holding a large number of bars 26 in parallel one by one, and the bars 26 are inserted and set in advance here.

  The large rack extruding table 12 can mount the large rack 22, and the bar pushing machine 14 is disposed adjacent to the longitudinal direction parallel to the holding hole 28 of the large rack extruding table 12, and the pinch roller 14A. And a push rod 15 that can be moved back and forth in the same longitudinal direction. By this push rod 15, the rods 26 inserted into the large rack 22 on the large rack extrusion stand 12 are arranged one by one in the longitudinal direction. It is possible to extrude.

  The small rack insertion table 16 is arranged on the opposite side of the large rack extrusion table 12 to the bar pusher 14 in the longitudinal direction, and the small rack 24 into which the bar 26 extruded thereby can be inserted (see FIG. 3; details) (To be described later) can be placed.

  The pinch roller device 18 is disposed between the large rack extrusion table 12 and the small rack insertion table 16, sandwiches the bar material 26 pushed by the push rod 15 of the bar pusher 14, and the tip 27 thereof is The small rack 24 is pushed in until it protrudes from the end 24A opposite to the large rack pusher 12. The pinch roller device 18 drives the push rod 15 or the bar 26 protruding from the large rack 22 on the large rack extrusion table 12 from above and below, and one or both of them. And a motor 18C.

  Here, the length of the push rod 15 is such that the tip can reach the pinch roller device 18 when the stroke ends in the protruding direction by the bar pusher 14.

  The head aligning device 20 is disposed at the end of the small rack insertion table 16 on the side opposite to the large rack extrusion table 12, and as shown in an enlarged view in FIG. The leading end 27 of the inserted bar 26 protruding from the end 24A opposite to the large rack extrusion table 12 is pushed back to the end 24A of the small rack 24 at most, so that the longitudinal length of the leading end 27 is increased. Aligned in the direction.

  On the other hand, in the bar pushing device 14, the protrusion 27 is inserted into the small rack 24 on the small rack insertion base 16 by the protrusion amount control device 30, and the tip 27 of the bar 26 is sufficient if the length is sufficient. Can be pushed out until it protrudes from the end 24A of the small rack 24.

  If the length of the bar 26 is insufficient (short), the tip 27 of the bar 26 cannot be protruded from the end 24 A of the small rack 24 only by the bar pusher 14.

  In this embodiment, the pinch roller device 18 causes the push-in rod 15 to protrude beyond the push-in stroke of the bar pusher 14 even with a short bar 26, so that the tip 27 is moved from the end 24 </ b> A of the small rack 24. It can be extruded until it protrudes.

  Specifically, as shown in FIG. 4, the protrusion amount control device 30 is disposed in the vicinity of the end 24 </ b> A on the small rack insertion base 16 and the control device 32 that controls the motor 18 </ b> C of the pinch roller device 18. And a tip sensor 34 composed of a photodetector or the like that detects that the bar 26 protrudes from the small rack 24 on the small rack insertion table 16, and the tip 27 of the bar 26 is small. When protruding from the end 24A of the rack 24, the pushing by the pinch roller 14A and the pinch roller device 18 of the bar pushing machine 14 is stopped. The pinch roller device 18 is configured so that the two pinch rollers 18A and 18B can be retracted to a position where the bar 26 is sandwiched between them and a position where they are separated from each other and do not interfere with the small rack 24.

  The head aligning device 20 includes a bar stopper 20A made of a plate-like body arranged in a plane perpendicular to the longitudinal direction of the bar 26 inserted in the small rack 24 on the small rack insertion base 16, and this The bar stopper 20A is configured to include a head aligning cylinder 20B that can drive the tip end portion 27 of the bar 26 in the direction of pushing back, and an upper and lower cylinder 20C that adjusts the vertical position of the head aligning cylinder 20B. The head alignment cylinder 20B and the upper and lower cylinders 20C are controlled by the control device 32.

  In this embodiment, the insertion is stopped in the middle of the pushing process into the small rack 24, and the bar 26 inserted halfway can be pulled back into the large rack 22.

  Specifically, an ID 51 such as a barcode is previously engraved or printed on the bar 26, and this is read by an ID reading device 52 provided at a position adjacent to the exit side of the pinch roller device 18, The reading result is output to the control device 32. The control device 32 stops the pusher 17 and the pinch roller device 18 if there is any inconvenience from the read ID, and further pulls the bar material 26 back from the small rack 24. The bar 26 is pulled back from the small rack 24 by the pinch roller device 18, and a part or all of it can be returned to the large rack 22.

  Here, the ID 51 is made up of, for example, a bar code, and is information such as the shape, length, material, and specification of the bar, and the information is different from the bar information previously input to the control device 32. In this case, the control device 32 determines that the bar 26 is inconvenient and pulls the bar 26 back from the small rack 24 as described above.

  Each apparatus and the large rack 22, the small rack 24, and the bar 26 which constitute the bar rack insertion system 10 will be described in more detail. The pinch roller device 18 has been described above.

  As shown in FIGS. 2 and 3, the large rack 22 and the small rack 24 have an octagonal box shape with the upper surface opened, which is substantially the same length as the large rack extrusion table 12 and the small rack insertion table 16, respectively. A plurality of support plates 36 with holding holes 28 formed therein are disposed therein, and the bar 26 can be inserted into the holding holes 28. The support plate 36 can hold, for example, four sets of 40 rods 26 arranged in a substantially hexagonal shape. The small rack 24 has a plurality of support plates 40 having support holes 38 into which, for example, 40 bars 26 can be inserted in a substantially hexagonal shape.

  The bar pusher 14 pushes the bar 26 held in the holding hole 28 of the large rack 22 one by one by feeding the push rod 15 in the axial direction while being pinched by the pinch roller 14A. The roller device 18 is inserted into a vacant support hole 38 in the vacant or partially inserted small rack 24 on the adjacent small rack insertion table 16.

  As shown in FIGS. 1 and 5, the large rack extrusion table 12 and the small rack insertion table 16 both hold the large rack 22 or the small rack 24 in the horizontal direction and are orthogonal to the longitudinal direction thereof. Each of the forks 42 and 44 is movable in the horizontal direction and the vertical direction so that the large rack 22 and the small rack 24 can be taken in and out in the same direction.

  Next, with reference to FIG. 6, a description will be given of a process in which the bar material 26 is extruded from the large rack 22, inserted into the small rack 24, and carried out in the bar rack insertion system 10.

  In step 101, the large rack 22 in which the bar material 26 is inserted and held in advance is carried onto the large rack extrusion table 12, and the process proceeds to the next step 102.

  At the same time, in step 201, the small rack 24 in which the empty or partial bar 26 is inserted is carried onto the small rack insertion table 16 and proceeds to the next step 102.

  In step 102, the push rod 15 of the bar pusher 14 is reciprocally driven by the pinch roller 14A, whereby the bar 26 held in the holding hole 28 of the support plate 36 of the large rack 22 is increased one by one. It pushes out from the rack 22, and it inserts into each support hole 38 of the small rack 24 in which the empty or some bar | burr material 26 on the adjacent small rack insertion stand 16 is inserted through the pinch roller apparatus 18 one by one.

  At this time, if the rod 26 to be pushed is sufficiently long, the push rod 15 of the rod pusher 14 detects the tip 27 of the rod 26 by the tip sensor 34 in one push operation, and the rod The material 26 can be pushed in until it is stopped. When the bar 26 is not long enough, after the push by the push rod 15 reaches the stroke end, the push rod 15 is driven by the pinch roller device 18 to feed the bar 26 and the tip 27 thereof is When detected by the sensor 34, the pushing of the bar 26 is stopped.

  In the process in which the bar 26 is pushed into the small rack 24 by the bar pusher 14 and the pinch roller device 18, the ID 51 provided in advance in the bar 26 is read by the ID reader 52 (see step 301). A signal is output to the control device 32.

  In the control device 32, it is determined from the read ID 51 whether or not the bar 26 can be inserted into the small rack 24 (see step 302).

  If the result of determination is Yes, the process proceeds to step 103. If No, the process proceeds to step 303, the pushing of the bar 26 is stopped, the pinch roller device 18 is driven, the bar 26 is moved backward, and is returned from the small rack 24 to the large rack 22, and step 102 is performed. Return to. At this time, the rod pusher 14 is also driven so that the push rod 15 does not interfere with the backward movement of the rod 26.

  Since the bar 26 cannot be returned to the direction of the large rack 22 than the pinch roller device 18, it is not completely inserted into the large rack 22.

  After 40 bars 26 of one set of the 6 sets on the support plate 36 of the large rack 22 are pushed out, the large rack 22 is moved up and down and left and right by the fork 42, and the other set of bars The material 26 can be extruded.

  In this way, the bar 26 is inserted into all the support holes 38 of the small rack 24 with the tip 27 protruding (step 103), and the process proceeds to the next steps 104 and 202.

  In Step 104, the head aligning cylinder 20B is driven by the control device 32, and the bar stopper 20A comes into contact with the tip 27 of the bar 26 protruding from the small rack 24, and this is further fixed by a certain amount. Push it back into the small rack 24 to align the heads. The amount of pushing back is set in advance so that the tip portions 27 of all the bars 26 are pushed in and until the bar stopper 20A comes into contact with the end 24A of the small rack 24 at the maximum.

  In the next step 105, the small rack 24 inserted with the bars 26 aligned in the head is carried out to the outside by the fork 44 of the small rack insertion base 16.

  In step 202, the large rack 22 that has been inserted is carried out of the large rack extrusion table 12 by the fork 42. Since the large rack 22 holds the rods 26 for the four small racks 24, the four racks 24 are replaced once.

  Since it is configured as described above, in the case where the pushing stroke of the pushing rod of the conventional pushing rod pushing machine cannot be sufficiently taken, when the length of the rod is insufficient, the small rack in which the rod is inserted is The second pusher is used to push in the second time by the second pusher after transferring to the small rack standby stand without immediately carrying out from the small rack transfer stand. In this embodiment, the push rod of the bar pusher is pushed. When the bar stroke is not enough, and even if the bar is short, it can be pushed into the back without pushing the second time, so that the small rack after inserting the bar can be taken in and out of the small rack stand. This eliminates the need to reduce the work time for the entire process by several percent.

  Further, from the viewpoint of factory space, the push rod may be short and the bar second pusher is not necessary, so that space saving and area efficiency can be improved.

  In the above-described embodiment, the large rack extrusion table 12 and the small rack insertion table 16 have forks 42 and 44 for receiving and carrying out the large rack or the small rack. This may be transferred or received by other means.

  Further, the head aligning device 20 is composed of a plate-shaped bar stopper 20A and a head aligning cylinder 20B in the embodiment, and the tips of the bar aligning devices 20 are inserted into the small rack 24 with all the bars 26 inserted therein. Although the portion 27 is pushed in by the bar stopper 20A to align the head, the bar stopper is not limited to a plate shape, and may have other shapes as long as the bar 26 can be pushed in. Alternatively, the bar stopper 20A and the bar 26 may be pushed one by one each time they are inserted. Further, the front end sensor 34 detects the front end 27 of the bar 26 and stops the pressing by the bar pressing unit 14 and / or the pinch roller unit 18 at a fixed position via the protrusion amount control device 30 based on the detection signal. You may comprise the head alignment apparatus which aligns the head by doing.

  Furthermore, although the large rack and the small rack are configured by a substantially octagonal cylindrical box, the present invention is not limited to an octagon, and may be a quadrangular, hexagonal, or circular shape.

  Since this invention can shorten the step of aligning the heads of the bars when inserting the bars into the support holes of the rack, it can be used for the insertion of the bar rack.

DESCRIPTION OF SYMBOLS 10 ... Rack insertion system of bar material 12 ... Large rack extrusion stand 14 ... Bar material pushing machine 14A, 18A, 18B ... Pinch roller 15 ... Push rod 16 ... Small rack insertion stand 18 ... Pinch roller device 20 ... Head alignment device 20A ... Bar stopper 20B: Head alignment cylinder 20C: Upper / lower cylinder 22 ... Large rack 24 ... Small rack 24A ... End 26 ... Bar 27 ... Tip 28 ... Holding hole 30 ... Projection amount control device 32 ... Control device 34 ... Tip sensor 36, 40 ... support plate 38 ... support hole 42, 44 ... fork 51 ... ID
52. ID reader

Claims (6)

A large rack extrusion table capable of placing a large rack that holds a plurality of bars in parallel so that they can be taken in and out in the longitudinal direction; and
The large rack extrusion table is provided adjacent to the longitudinal direction and includes a push rod that is movable forward and backward in the longitudinal direction, and the bar inserted in the large rack on the large rack extrusion table is disposed in the longitudinal direction. A bar pusher that can be extruded into
A small rack having a large number of insertion holes for inserting the bar material, which is disposed on the opposite side of the bar pushing machine in the longitudinal direction of the large rack extrusion table, can be placed. A small rack insertion base,
A pinch roller device disposed between the large rack extrusion table and the small rack insertion table, sandwiching the push rod inserted through the large rack extrusion table, and sending and returning in the longitudinal direction;
The bar that is disposed at the end of the small rack insertion table opposite to the large rack extrusion table and is inserted into the small rack on the small rack insertion table is opposite to the large rack extrusion table. A head aligner that aligns the position of the tip protruding from the end in the longitudinal direction;
Having
The pinch roller device is characterized in that the bar inserted into the insertion hole of the small rack on the small rack insertion base can be pushed out until its tip protrudes from the end of the small rack. Rack insertion system for bar to be played. In claim 1,
The head aligning device is disposed in a plane perpendicular to the longitudinal direction of the bar inserted in the small rack on the small rack insertion table, and a bar with which the tip of the bar can abut A rod rack insertion system comprising: a material stopper; and a head aligning cylinder capable of driving the rod material stopper in a direction to push back the abutting rod material. In claim 2,
The head aligning device includes a tip sensor that detects a tip portion of the bar inserted into the small rack on the small rack insertion base and protruding from the small rack insertion base, and A bar rack insertion system comprising: a protrusion amount control device that stops bar pressing by the bar pressing machine based on a detection signal. A step of transferring a large rack into which a plurality of bars can be inserted in the longitudinal direction thereof onto a large rack extrusion table;
The bar inserted in the large rack on the large rack extrusion table is pushed in the longitudinal direction by the push rod of the bar pusher arranged adjacent to the longitudinal direction of the large rack extrusion table. A step of taking out, and the push rod for extruding the bar is sandwiched by a pinch roller device, and the bar is disposed on the opposite side of the bar pusher in the longitudinal direction of the large rack extrusion table. Pushing into the insertion hole of the small rack on the small rack insertion table until the tip projects from the end opposite to the large rack extrusion table;
The step of aligning the position of the protruding tip of the bar inserted in the small rack on the small rack insertion base in the longitudinal direction;
The rack insertion method of the bar material which has this. In claim 4,
The step of aligning the position of the tip in the longitudinal direction includes a step of pushing back the protruding tip to the tip of the small rack at most. In claim 4 or 5,
By reversing the bar pusher and the pinch roller device, the bar in a state of being sandwiched by the pinch roller device during the process of extruding in the longitudinal direction by the push rod of the bar pusher, After returning to the large rack, the method returns to the step of extruding another bar with the push rod of the bar pusher.

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