JP2018094589A - Friction joining method for band plates between rollers - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a friction joining method for band plates having a long joining length between rollers capable of joining the band plates with no need of any large scale gate-shaped structure.SOLUTION: A friction joining method for band plates between rollers comprises: positioning two stripes of band plates in parallel onto a trestle, with joining parts thereof adjacent to each other; placing weights onto the long plates, respectively; arranging a friction joining device below the long plates; starting joining at one end specified as a joining start end toward a direction along a joining line; moving the joining device toward the other end; stopping the joining device at a move limit; descending a pin of the friction joining device; winding and feeding the bands between the rolls, to transfer the band plates to the joining start point; returning the joining device to the one end specified as the joining start end; moving the joining device similarly again along the joining line to the other end to perform joining; stopping the joining device at the move limit; and continuing joining as in the above-mentioned steps.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a friction joining method for inter-roll strips.

  As an example of the prior art, there has been a friction stir welding method in which a butt portion of a cylindrical member to be welded having a hollow portion is formed by abutting a butt portion of a member to be joined. In this method, the tool of the friction welding apparatus is disposed on the upper side of the abutting portion, and the backing member is in contact with the inner side.

  A core jig having a roller that is brought into contact with the backing member in a rollable manner is arranged in the hollow portion to support the backing member from the inside, and the tool is positioned relative to the core jig from the outside of the hollow member. Keep the relationship. Then, while maintaining the relative positional relationship between the tool and the core jig, at least one of the tool and the core jig is moved in the longitudinal direction of the cylindrical member to be joined, and the abutting portion is joined. (Patent Document 1)

Japanese Patent No. 4323909

  When this technique is applied to make two long flat plates adjacent to each other in parallel and friction-welded in the length direction, the following problems occur. That is, when the joining device is arranged on the upper side of the flat plate material and moved along the joining line, it is necessary to install a large portal frame for installing the joining device. Further, in order to move the welding device while pressing the welding pin from top to bottom, a device for receiving the downward pressing force must be arranged on the lower side and moved in synchronism with the upper bonding device. . Therefore, the length of the long flat plate is minimized, and it is difficult to join the long long flat plate.

  An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a friction joining method for a roll-to-roll strip having a long joining length without requiring a large portal structure.

  In the friction joining method of the inter-roll strip of the first problem solving means of the present invention, the two strips of the inter-roll strip are placed on the gantry and the joints are placed adjacent to each other in parallel to each other, Place the weight, place the friction welding device on the lower side, start joining from the joining start end of one end along the joining line, move the joining device toward the other end, stop the device at the movement limit, and friction welding The device pin is lowered, the strip is taken up and fed between rolls, sent to the joining start point, the joining device is returned to the joining start end at one end, and again the joining device is directed toward the other end along the joining line. They are moved and joined, the apparatus is stopped at the movement limit, and thereafter the joining is performed in the same manner.

  In addition to the first means, the frame is a rectangular parallelepiped whose outer shape is long in the belt plate movement direction (vertical direction) and short in the left-right direction (horizontal direction). The upper rectangular frame constituting the upper surface is composed of vertical and horizontal sides, and two long beams in the vertical direction are provided at intervals in the center of the upper surface, Corresponding to the center line of the distance between the two beam members, a vertical center indicating line is displayed at the center of the outer side surface of the horizontal side. The joint portions are arranged in parallel with each other, and at this time, the joint line is aligned with the vertical center indicating line on the horizontal side.

  In the friction joining method of the inter-roll belt plate of the third problem solving means of the present invention, in addition to the first means or the second means, the belt plate is moved to the joining start end side to coincide with the joining start point of the joining device. In the step of synchronizing, the belt plate and the joining device are synchronized, and when joining is started, the clutch of the carriage of the joining device is turned on, the axle of the carriage and the drive shaft of the drive source are connected, and the joining device Then, the device is stopped at the limit of movement, and then the suction pad placed on the carriage is operated and sucked onto the lower surface of the strip, the clutch of the carriage of the joining device is turned off, the axle and the drive shaft of the drive source Then, the strip is moved in the anti-joining direction, the joining device and the strip are moved together in the anti-joining direction, and when the joining device returns to the starting point, it is stopped together with the strip, and the joining start point of the strip From the first section to the first section It is intended.

In this invention, since it joins from the lower side of a strip with the friction welding apparatus arrange | positioned on the lower side of a strip, the large gate-shaped structure became unnecessary. Further, when the joining of the strips is finished, the joining device is returned to the original position, the plate material is sent in the direction of the joining start point, and the joining of the next joining part is started. Therefore,
Long strips could be joined, and there was no restriction on the joining length.

It is a front view of the apparatus used by one Example of this invention. It is a partial expanded sectional view of FIG. FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2. FIG. 2 is a partially enlarged plan view of FIG. 1. FIG. 5 is an enlarged view of BB in FIG. 4. It is an enlarged front view corresponding to the part of FIG. 2 of another Example. It is CC sectional drawing of FIG.

An embodiment of the present invention will be described below with reference to the drawings.
In FIGS. 1, 2, 3 and 4, two sets of material strip rolls R1 are loaded adjacent to the shaft of the feeding reel 6, and the fed strip W has two inlet guide rollers arranged vertically. Passes between the two reels 8, passes through the upper surface of the gantry 20, passes between the two outlet guide rollers 9 arranged vertically, and is wound around the take-up reel 7 as two product strip rolls R <b> 2. Taken.

  A friction welding device 10 is disposed on the rail 1 below the strip W. The gantry 20 has a rectangular parallelepiped frame whose outer shape is long in the moving direction (vertical direction) and short in the left-right direction (horizontal direction). The upper rectangular frame constituting the upper surface is composed of a vertical side 21 and a horizontal side 22, and two longitudinally long beam members 23 are provided at intervals in the center of the upper surface. A vertical center indicating line 20a (FIG. 5) is displayed at the center of the outer surface of the horizontal side 22 corresponding to the center line of the interval between the two beam members 23, 23. The upper part of the friction welding apparatus 10 moves between the beam members 23 in the vertical direction. The friction welding device 10 is placed on a carriage 14, and a disk rod 12 and a pin 13 protrude upward from the upper end of the tool body 11.

  4 and 5, a positioning portion 30 is provided on the outer surface of the horizontal side 22 of the gantry 20 in the vicinity of the vertical side so that the joining line W0 of the strip is aligned with the vertical center indicating line 20a of the horizontal side. . That is, the screw rod 32 is passed between the two brackets 31, and the handle 33 is provided at the end portion on the vertical side. Then, the contact plate 34 is screwed onto the screw rod 32, and the contact plate fits into the groove of the guide 35 made of a rectangular box to prevent rotation, and if the handle 33 is turned, the contact plate 34 is sent without rotating.

In the joining work, two strips (imaginary lines) of the inter-roll strip W are placed on the gantry 20 with their joints adjacent to each other in parallel. At this time, the joining line W0 is aligned with the vertical center indicating line 20a on the horizontal side so as to be positioned at the center of the interval between the two beam members 23. At this time, the positioning part 30
The handle 33 is turned, the contact plate 34 is pressed against the end surface of the strip W, and the strip is fed to the position of the indication line 20a. Next, the weight Y is placed on the strip W by a vacuum suction pad (not shown) disposed above the gantry 20.

  Then, joining is started from a joining start end at one end along the joining line W0, joining is performed by moving the joining device 10 toward the other end, and the device is stopped by an LS (limit switch) 2 at a movement limit. Next, the pin 13 of the joining device is lowered, the drive motor of the carriage 14 of the joining device 10 is reversed, returned to the joining start end, and stopped at LS2. Two sets of material strip rolls R1 and R1 are fed out and wound up as product strip rolls R2 and R2, and the joining end point of the first section of the strip W is sent to the joining start point of the joining apparatus 10.

In the joining operation of the second section of the strip W, the joining device 10 is again joined along the joining line by rotating the drive motor of the carriage 14 toward the other end. Then, the apparatus is stopped by LS (limit switch) 2 at the movement limit. Similarly, the strip W and the joining device 10 are moved.
In this way, even a short moving distance of the joining device 10 can join a strip plate that is many times longer.

  Another embodiment will be described with reference to FIGS. In this example, the joining apparatus 10 is synchronized and returned when the strip is sent. This makes it possible to shorten the work time. In the drive unit 15 of the carriage 14 of the joining device, a drive gear 15b is connected to a drive shaft 15a connected to a drive source (electric motor), and a passive shaft 15d that supports the meshing passive gear 15c is connected via an electromagnetic clutch 15e. To the axle 15f of the carriage. Further, an electromagnetic adsorption pad 4 is provided on the carriage 14 via an arm 3 so as to be lifted and lowered by an elevator (piston / cylinder) 5.

  When joining is started, the electromagnetic clutch 15e of the carriage 14 of the joining apparatus 10 is turned ON, and the axle 15f of the carriage and the drive shaft 15a of the drive source are connected. Then, the joining device 10 is moved and joined, and the device is stopped by LS2 at the movement limit, and the pin 13 is lowered. Next, the elevator 5 of the electromagnetic adsorption pad 4 is operated and adsorbed on the lower surface of the strip W. And the electromagnetic clutch 15e of the trolley | bogie 14 of the joining apparatus 10 is turned OFF, and the axle shaft 15f and the drive shaft 15a of a drive source are cut away.

  Next, the band plate is unwound and wound and moved in the anti-bonding direction. At this time, since the wheel 14a is free with respect to the axle 15f, the joining device 10 and the strip W are integrally moved in the anti-joining direction. And when the joining apparatus 10 returns to a starting point, LS will act | operate and both will stop. As a result, the belt W is joined from the joining start point to the first section. Next, the electromagnetic clutch 15 of the axle 15f of the carriage 14 of the joining device is turned on again, the carriage 14 starts to move in the joining direction, and the joining of the second section starts. Thereafter, bonding is performed in the same manner.

  The present invention is not limited to the embodiments and embodiments described above, and includes various modifications without departing from the scope of the claims.

  The present invention can be used for a friction joining method of an inter-roll strip.

W strip, R1 material strip roll, R2 product strip roll, Y weight,
1 rail 2 LS (limit switch)
3 Arm 4 Electromagnetic suction pad 5 Elevator (Piston / Cylinder)
6 Feeding reel 7 Take-up reel 10 Friction welding device 11 Tool body 12 Disc bowl 13 Pin 14 Carriage
14a wheels
15 cart drive unit
15a Drive shaft
15b Drive gear
15c Passive gear
15d passive shaft
15e clutch
15f Axle 20 Mounting base 20a Vertical center indicator line 21 Vertical side 22 Horizontal side
23 Vertical beam 30 Band plate positioning part 31 Bracket 32 Screw rod 33 Handle 34 Bump plate 35 Guide

Claims (3)

Place the two strips of the strip between the rolls on the gantry, with the joints adjacent to each other in parallel, place the weight on the strip, place the friction welding device on the lower side, and follow the joint line Start joining from the joining start end of one end, move the joining device toward the other end, stop the device at the limit of movement, lower the pin of the friction joining device, and wind and feed the strip between rolls to join Send to the start point, return the joining device to the joining start end at one end, and again move the joining device along the joining line toward the other end to join, stop the device at the movement limit, and then join in the same manner Friction welding method for inter-roll strips.
The gantry has a rectangular parallelepiped frame whose outer shape is long in the strip movement direction (vertical direction) and short in the left-right direction (horizontal direction), and the upper rectangular frame constituting the upper surface is composed of vertical and horizontal sides. In the center portion of the two beam members, which are long in the vertical direction, are provided at intervals, and in the center of the outer side surface of the horizontal side corresponding to the center line of the interval between the two beam members, A center indication line is displayed, and for joining work, two strips of the inter-roll strip are arranged on the upper surface of the gantry so that the joining portions are adjacent to each other in parallel with each other. The method of friction bonding of an inter-roll strip according to claim 1, wherein the method is adapted to match the indication line.
  In the step of moving the band plate to the bonding start end side to coincide with the bonding start point of the bonding apparatus, the band plate and the bonding apparatus are synchronized. Turn on the clutch, connect the axle of the cart and the drive shaft of the drive source, move the joining device, stop the device at the limit of movement, and then operate the suction pad placed on the cart to the lower surface of the strip Adsorb, turn off the clutch of the bogie of the joining device, disconnect the axle and the drive shaft of the drive source, then move the strip in the anti-joining direction, and move the joining device and the strip together in the anti-joining direction 3. The method for friction joining of inter-roll strips according to claim 1 or 2, wherein when the joining device returns to the starting point, the joining plate is stopped together with the strips and joined from the joining start point of the strip to the first section.

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