JPS5969203A - Rod-member handling apparatus - Google Patents

Abstract

PURPOSE:To prevent a cutter from being damaged, by permitting a rod member to be worked by transferring and loading the rod member in succession before working by a finely arranging apparatus for rod member edge, when the edge part of the rod member is fed continuously into a prescribed position in a thread cutting machine. CONSTITUTION:A rod member P which is transported onto a line of rollers 51 is collided with a stopper 59, and the top edge of the member is arranged. The rod member is loaded onto a line of temporary setting bases 52 by one turn of a gear 44, without being turned, and when the gear 41 turns, the rod member is loaded onto a line of rollers 54 arranged before a rod-member edge working apparatus M. Since a little discrepancy in the direction of length is generated on loading onto said line of rollers 54, a finely arranging apparatus 62 for edge part is raised to push-back the rod member by a certain distance from the edge working apparatus, and then the apparatus 62 is retreated and lowered, and then arrangement of position of the edge part is performed again immediately before the rod is fed into the edge working apparatus M. Therefore, the line of rollers 54 applies brake to prevent the rod member P from advancing excessively. Therefore, the rod member P is turned around the center and worked by the working apparatus M.

Description

[Detailed description of the invention] In a machine that processes the ends of a bar, a bar and link device performs continuous work, supplying the end of the bar to a predetermined position and discharging it to the next process after processing. There are things related to this.

When machining the end of a bar, the cutting tool approaches the workpiece location and cuts it, so it is fast forwarded to the nearest point, and after an appropriate interval, the cutting speed is lowered to a predetermined speed according to the cutting process and starts cutting. This is the normal way to control the feed of cutlery. However, if the end of the bar is placed close to the cutter, cutting will begin while the cutter is in rapid motion.
This will damage the knife. On the other hand, if the end of the bar is placed far away from the cutter, when the cutter is fed at a predetermined speed according to the cutting process, the time it takes to feed the cutter without cutting will be longer, reducing the operating rate. cause a decline. Therefore, the accuracy with which the bar is stopped when it is fed into the vicinity of the cutter greatly affects the lifespan and operating rate of the cutter.

The causes of large variations in bar stop position accuracy in conventional bar stock linking devices will be explained with reference to FIGS. 1 to 3.

The bar material P fed into the roller row IK is straight ζ-9π
The ends are aligned, the wheels are brought in, the wheels are rotated, and the wheels are placed on the inclined skid 3. The bar naturally rolls on the inclined skid 3 and hits the stopper arm 4 to stop. In this case, due to the bending of the bar itself, the bar is not parallel to the position determined by the stopper 9, and an error occurs. Thereafter, the stopper arm 4 rotates the stopper arm 4 in the direction of the arrow in FIG.
The bar material is placed on the taren crawl 8, and the rail 10
A cart 7 moving above advances toward the bar end processing device, travels a predetermined distance, and then stops. Since the trolley 7 is manufactured according to the length of the bar material, its inertia becomes a problem, which causes the stopping accuracy to deteriorate. On the other hand, in order to improve stopping accuracy, it is necessary to slow down the speed sufficiently before stopping, which results in a decrease in efficiency.

Another method to improve stopping accuracy is to detect the tip of the bar using a limit switch IIIC such as a lever set just before stopping and give a stop command to the cart, but the limit switch H has a certain degree of detection error. The accuracy of the stopping position of the end of the bar was worsened due to the error in the stopping accuracy of the cart.

The present invention does not use the conventional method of transferring the bar itself by transferring it, but instead transfers the bar from the roller row to the roller row in front of the bar end processing device without applying rolling force to the bar. The position of the bar 1iif is controlled using a precision bar end alignment device (...by shortening the twisting time, preventing end position deviation, and increasing the accuracy of stopping at the machining position, the machining time is reduced. The purpose is to shorten the time and improve the operating rate.

Next, one embodiment of the present invention will be described in detail using FIGS. 4 to 7.

The transfer device 42 shown in FIG. and gear 44
Two pieces of the same diameter are intermeshing and rotatably supported on the shaft 46.
two gears 45 and each gear 45 is fixed at the end Tp
An arm 47 with a VC pin 48 and a lower end with a pin 48
A transfer table 53 that is rotatably supported and whose upper end is kept horizontal
Two legs of equal length are fixed to the lower part of the temporary storage table 50A, and three temporary storage tables 50A are fixed on the transfer table 53 that spans between the roller rows.
It is composed of 50B and 50C, and a plurality of them are arranged.

In this embodiment, as shown in FIG. 5, the temporary storage table 50A is placed in the drum-shaped roller row 5J, the temporary storage table 5CIE is placed in the drum-shaped roller row 52, and the temporary storage table 50C is placed in the drum-shaped feeding opening-roller row 54. It is placed inside. Note that the temporary storage stand 50B and the temporary storage stand row 52 can be omitted by increasing the length of the arm 47.

Note that the transfer device uses two rotational drive sources instead of the gear 44.
It may be directly connected to the book shaft 46, and the shaft 46 and the gear 45 may be fixed, or one shaft may be directly connected to a rotational drive source, and the other may be driven by an endless track. In other words, the lower end of each leg of equal length is rotatably supported by each pin at the same distance Ki from the center of a plurality of rotating bodies whose centers are at the same level, and a plurality of temporary holders are provided at the top. It is sufficient that the legs are fixed at the same angle to the lower part of the stand.

The bar material P transferred to the roller row 51
K M is tilted and the tips are aligned. Next, when the gear 4401 rotates, the bar is placed on the temporary table row 52K without being rotated, and when the gear 44 rotates one more time, the bar end processing device M
is transferred to a row of rollers 54 arranged in front of. Next, the clamping device on the carriage 1c6 in the roller row 54 rises,
The rod is clamped and moved forward, and is stopped by the stopper 60, and the clamping device 56 is opened and lowered. The stopper is equipped with a damper (not shown) to reduce the impact of pressing the cart.

Since the cart is precisely stopped mechanically by the stopper 60, the accuracy of the end alignment performed in advance in the previous process can be reproduced at the five end processing positions.

The roller row 54 is equipped with a brake that stops the rotation of the rollers only when loading, because a slight deviation in the length direction of the bar may occur on the roller row 54 due to bending of the bar P or other factors. However, due to factors such as bending of the bar, there is a possibility that the end position may be slightly misaligned during delivery. For this purpose, the end precision aligning device 62 is raised to push the bar back to a certain distance from the bar end processing device, then retreated and lowered, so that the end precision alignment device 62 is re-aligned just before being fed into the bar end processing device M. Align the parts. Since the end precision alignment device 62 pushes back the bar material to align the position, the roller row 54
Apply the brake to prevent the bar from going too far. The end is moved inside the bar end processing device M [6 feeding rollers (
The bar P, which has been accurately fed into a predetermined position by a machine (not shown), is rotated about its own axis by a bar end processing device M and processed. At that time, the roller row 54 is lowered and the turning roll row 57 is raised to support the rotating bar.

The turning roll row 57 can be supported by all the rolls, or can be supported by one or several rolls selected depending on the length of the bar P. Moreover, since no turning roll is provided in the travel range of the truck 550, the turning roll 58 is provided on the truck so that short bars can be stably supported.

When the bar PK is bent, if the supporting bar P is rotated by all the turning rolls, interference between the bar P and the turning rolls will occur, which will adversely affect the machining accuracy of the end. Therefore, the best method is to support and process only one location near the end opposite to the end to be processed. Therefore, depending on the length of the pipe, it is preferable to select the turning roll that rises to support the bar. The processed bar is gripped by a clamp device on a cart 55 waiting at the forward end.

The turning roll row 57 descends and is replaced by the roller row 5.
4 rises. Thereafter, the cart 55 is sent to the rearward end, and the bar P is transferred to the subsequent process by the transfer device 53.

The explanation so far has been about non-linking of only one bar, but one or more roller rows and the same number of transfer device rows are provided between the roller row 51 and the roller row 540, It is also possible to process the bars while placing them one after another. Knives, rods, etc. The cutting device reduces damage to the cutlery, improves efficiency, and is highly effective.

[Brief explanation of drawings]

Figures 1, 2, and 3 are explanatory diagrams of the conventional method. Figure 1 is a plan view of the entire device, Figure 2 is a side view, and Figure 3 is a cross-sectional view (section B
-B) Deruru. 4.5.6.7 are explanatory diagrams of the apparatus according to the present invention, FIG. 4 is an explanatory diagram of the transfer device', FIG. 5 is an overall plan view of the device, FIG. 6 is a side view, and FIG. Figure 7 is Figure 5D
-D line sectional view. P...Bar material, M...Machine body, 1...Roller row for bar end alignment, 2-...Carry-in lever, 3
... Inclined skit, 4... Stopper arm,
4a...Axle, 6...Top tilt skit, 7...
Trolley, 8...Turning roll row, 9...M stopper for part alignment work, 10...Rail for bogie running, 1
1... Limit inch for end detection, 12... Turning roll lifting bag f! , 51... Roller row for tube end alignment, 52... Temporary storage stand, 53... Transfer device,
54... Roller row for feeding, 55... Cart for feeding, 56... Clamp device, 57... Turning roll line, 58... Turning roll on cart,
59... Stopper for end alignment, 60... Stopper for bogie stroke regulation (backward end), 60'... Stopper for bogie stroke regulation (forward end), 61... Rail for bogie running, 62...・Tomoyuki Yafuki (and 1 other person), patent attorney representing the patent applicant for the edge precision alignment device

Claims (1)

[Claims] 1. In a bar processing line including a bar end processing device,
A roller row 51 with a guide and brake for transferring bar material and a stopper are arranged linearly, and the roller row 51K
A row of rollers 54 with brakes and guides that can be raised and lowered in parallel is arranged on an extension of the rotation axis of the bar end processing device, and a plurality of turning rolls that can freely rotate up and down are installed therein. A plurality of transfer devices 53 for transferring rods between 51 and 54 are rotatably supported on shafts fixed at equal distances from the rotation centers of a plurality of rotating bodies having centers on the same level. the same number of legs fbl of equal length as the rotating bodies; a plurality of transfer tables straddling the roller rows 51 and 54 (C1; a plurality of temporary storage tables (d) fixed on the transfer tables)
a track formed by the equal length arms fixed at equal angles to the lower part of the transfer table, located on an extension line of the roller row 54 and attached to the front surface of the bar end processing device; The trolley moving above (el One or more rollers with brakes and guides mounted on the upper surface of the trolley - (fl One or more turning rollers mounted on the upper surface of the trolley that can be raised and lowered and freely rotated (gl The upper surface of the trolley It consists of one or more clamp devices that can be raised and lowered and can be opened and closed, and a damper stopper is placed before and after the track, and a clamp that can be raised and lowered is installed in front of the cutting blade of the bar end processing device. A bar material handling device characterized by disposing a bar material end precision aligning device that can freely move back and forth. 2. Between the roller rows 51 and 54, one or more rows of guides and brakes are provided in parallel thereto. Claim 1, characterized in that a row of rollers, a 2-ton roller, and the same number of transfer device rows as the roller rows are arranged.
The bar material hand link device described in Section 1. 6. The bar material handling device according to claim 1 or 2, characterized in that a temporary holding table having an upper VCE square groove is disposed between the roller rows and in parallel therewith. 4. The bar material handling device according to claim 1 or 2, wherein the roller is hourglass-shaped.