JPH02270757A - Belt-shaped metal plate conveying roll - Google Patents

Abstract

PURPOSE:To continuously guide a metal plate to a step section with the proper width in response to the change of the width of a belt-shaped metal plate by dividing roll step sections except the largest-diameter roll on the outside into multiple sector portions so that the centers of outer periphery side faces of sector portions reach the positions of outer periphery faces of the adjacent large-diameter roll step section when they are expanded. CONSTITUTION:Outer peripheries of sector portions 6a... 6d and 7a... 7d of roll step sections 6 and 7 except the largest-diameter roll step section 5 of multi-stage roll sections 4 on both ends of a roll can be expanded to the same diameter as the outer periphery faces of adjacent large-diameter roll step sections 5 and 6. Even when a change occurs on the width of the belt-shaped metal plate, the roll step sections 6 and 7 in contact with both ends of the metal plate are expanded or shrunk in response to the change, and the metal plate is guided from a small-diameter step section to a large-diameter step section or from the large-diameter step section to the small-diameter step section without stopping conveyance.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is applicable to a metal plate coated with photoresist (photosensitive resin), exposed and developed with a pattern such as a shadow mask or a single frame. The present invention relates to a conveying roll for conveying a band-shaped metal plate having a contact-avoiding portion continuously along a line.

[Prior Art] Conventionally, this type of conveying roll includes a flat and soft roll that conveys the metal plate 1 by contacting the entire surface thereof, as shown in FIG. A barbell-shaped multi-stage roll having multi-stage roll portions 4 at both ends and conveying the metal plate 1 by contacting only both ends thereof is known.

[Problems to be Solved by the Invention] However, in conventional conveying rolls, there is a problem in that the film surfaces of photoresists 1 to 1 are damaged by contact with the rolls in the roll shown in FIG. In the multistage roll as shown in the figure, if the width of the strip metal plate 1 changes midway, there is no mechanism to guide the metal plate with the changed width to the correct step, and the metal plate ends up changing its width. There were problems such as falling into small steps, flowing in a messy manner, and getting soaked in combs and shavings.

[Means for Solving the Problems] The present invention has been developed as a result of various studies to solve the above problems, and will be explained using FIGS. 1 to 4 corresponding to Examples. The conveyance opening □-ru contacts both edges of the metal plate at both ends in the conveyance M roll 3 that conveys the strip metal plate 1 having the contact avoidance portion 2 continuously along the center line. The multi-stage roll part 4 is comprised of a plurality of stages whose diameters increase sequentially from an inner minimum diameter roll stage 7 toward the outside, and each stage except for the outer maximum diameter roll stage 5 The roll corrugations 6, 7 are divided into a plurality of fan-shaped portions 6a...6d, 7a...7d, and each fan-shaped portion is movable in the radial direction along the adjacent large-diameter roll corrugation, allowing expansion. Sometimes, the center of the outer circumferential side of each fan-shaped portion reaches the position of the outer circumferential surface of the adjacent large-diameter roll stepped portion.

[Function] The roll for conveying a strip-shaped metal plate of the present invention is constructed in the following two ways. are respectively its fan-shaped portions 6a, . . . 6d, , 7a.

... Since the outer circumference of 7d can be expanded to the same diameter as the outer circumferential surface of the adjacent large-diameter roll stepped portion 5.6, even if the width of the band-shaped metal plate 1 changes, the metal plate can be adjusted according to the change. The acid expands and shrinks the roll steps 6 and 7 that contact both ends of the metal plate 1, and stops conveying the metal plate 1 from the small diameter step to the large diameter step, or from the large diameter step to the small diameter step. It is possible to induce it without having to do so.

[Example] An example of the present invention will be described based on the drawings. Fig. 1 is a perspective view of a belt-shaped metal plate conveying roll 3 of the present invention, l is a belt-shaped metal plate, and 2 is a roll coated with photoresists 1 to 3. This is a contact-avoidable part that is avoided for reasons such as The transport roll 3 has multi-stage roll parts 4 at both ends of a rotating shaft 11, and is a multi-stage roll with a bar-hell shape in appearance. As shown in the figure, the multi-stage roll parts 4 on both sides are symmetrical and gradually increase in diameter from the inner minimum-diameter roll stage 7 toward the outside, and end at the outer maximum-diameter roll stage 5. A plurality of stepped portions are formed so as to be able to contact both side edges of the metal plate in response to changes in the plate width.

In addition, as shown in FIGS. 2 and 3, in the multistage roll section 4, each roll step section 6, except for the outer maximum diameter roll step section 5,
7 is a plurality of fan-shaped portions 6a...6d along the cutting line 9.
, 7a...7d, and each fan-shaped portion is movable in the radial direction along the guide grooves 8 of the adjacent large-diameter roll step portions 5 and 6. When the fan-shaped portions are expanded, each fan-shaped portion 6a・
. . 6d, 7a . . . The center of the outer circumferential side surface of 7d reaches a position flush with the outer circumferential surface of the adjacent large-diameter roll stepped portion 5.6. For example, to explain the case where the minimum diameter roll step 7 is expanded using FIGS. Hydraulic pressure 1 ? along the radial guide groove 8 ? ! I'! lI! , the respective fan-shaped portions are enlarged and moved simultaneously from the state shown in FIG. 2 to the state shown in FIG. 3 by appropriate means such as a cam mechanism. When the roll step portion 7 is to be reduced, the operation opposite to that when it is to be enlarged is performed.

Furthermore, the fan-shaped portion 6a that constitutes the intermediate diameter roll stepped portion 6
The configuration for the maximum diameter roll stepped portion 5 of 6d is the same as the configuration for the roll stepped portion 6 of the roll stepped portion 7.

Here, fan-shaped part '1J6a... 6d, 7a...
7d etc. along the radial guide groove 8! A specific example of the structure will be described with reference to FIGS. 5 to 8. A rectangular parallelepiped-shaped protrusion 15 that is movable by sliding into the guide groove 8 is provided on the back surface of the fan-shaped portion on the small diameter side, and the protrusion 15 has a rotating A pinion 2 driven by a reversible motor 19 provided inside a through-hole I7, in which a guide rod 16 extending perpendicularly from the shaft 11 along the guide groove 8 is loosely fitted, and the adjacent large-diameter roll stepped portion.
A rack 18 is provided which meshes with 0.

Depending on this moving mechanism, in the illustrated case, the roll step portion on the small diameter side, that is, the fan diameter portion 7a of the minimum diameter roll step portion 7...
7 (1) The protrusion 15 is moved into the guide groove 8 via the pinion 20 and the rack 18 by simultaneous driving of four motors 19 provided inside the large-diameter roll step portion, that is, the intermediate-diameter roll step portion 6.
is driven along the guide rod 16 to move in the radial direction, and the roll step 7 moves from the closed state shown in Figure 8 <a, > to the same figure ((I)
The movement to the open state I\ shown in , or the reverse movement can be performed arbitrarily.

Next, the effect caused by the movement of each fan-shaped portion will be explained using FIG. 4. The band-shaped metal plate 1 is composed of a narrow plate width portion 12 and a wide plate width portion 13 connected by a welded portion 14, and is conveyed in the direction of the arrow.

At this time, the width of the narrow part 12 of the board corresponds to the width of the minimum diameter roll step parts 7, 7, and the width of the wide part 13 of the board corresponds to the width of the intermediate diameter roll step part 6, 6. do.

First, in FIG. 4(a), the narrow portion 12 is connected to the roll stepped portion 7.
．． 7, and when approaching welding part I4, the fourth
As shown in Figure (b), each fan-shaped portion 7a of the roll stepped portion 7
...7d is enlarged until it is flush with the outer periphery of the roll stepped portion 6, and the metal plate is guided.

In this state, when the wide portion 13 is fed, both side edges of the wide portion 13 are brought into contact with and supported by the roll corrugated portions 6 and 7, and each fan-shaped portion 7a and 7d of the roll corrugated portion 7 is then reduced. The multi-roll section 4 returns to its original state as shown in FIG. 4(c).

When the plate width changes from a wide width to a narrow width, the operation described above is reversed.

Note that the transport rolls 3 may be actively driven, or may be driven as the metal plate 1 moves.

[Effects of the Invention] Since the present invention has the above configuration and operation,
The conveyor roll contacts and supports the strip-shaped metal plate only at its both edges, and this is not suitable for contact-avoiding areas where photoresist is applied continuously along the center line of the strip-shaped metal plate. In addition, even if the width of the belt-shaped metal plate changes midway, the conveyance rolls will not come into direct contact with the conveyor rolls, and even if the width of the strip metal plate changes midway, the conveyance of the metal plate will not be stopped and the change in width can be accommodated. The flow of the metal plate can be guided to the stepped portion of an appropriate width, and damage to the metal plate due to the mismatch between the width of the metal plate and the stepped portion can be completely prevented.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the roll for conveying a strip-shaped metal plate of the present invention, Fig. 2 is a perspective view of the multi-stage roll section with each step section closed, and Fig. 3 is a perspective view of the multi-step roll section with the step sections of the minimum diameter roll open. A perspective view of the multi-stage roll section, FIGS. 4(a), 4(b), and 4(C) are explanatory plan views for conveying metal plates with varying widths, and FIG. 5 is an explanation of the radial movement mechanism of the fan-shaped portion. A perspective view, FIG. 6 is a rear perspective view of the fan-shaped portion, FIG. 7 is a partially transparent side view of the fan-shaped portion moving mechanism, and FIGS. 8(a) and (b) are opening/closing operations of the fan-shaped portion moving mechanism. The rear view, FIGS. 9 and 10 are perspective views of a conventional belt-shaped metal plate conveying roll. 1... Band-shaped metal plate, 2... Contact avoidance part, 3...
...Conveyance roll, 4. Multi-stage roll section, 5...
...Maximum diameter roll stepped portion, 7...Minimum diameter roll stepped portion, 6a to 6d, 7a to 7d...Fan shaped portion.

Claims (1)

[Claims] In a conveying roll that continuously conveys a strip-shaped metal plate having a contact-avoiding part along a center line, the roll is provided with multi-stage roll parts at both ends that contact both side edges of the metal plate, and the multi-stage roll part is provided with an inner surface of the metal plate. Consisting of a plurality of steps whose diameters gradually increase outward from the smallest diameter roll step, each roll step except for the outer maximum diameter roll step is divided into a plurality of sector-shaped parts, and each sector-shaped part is adjacent to each other. It is characterized by being able to move in the radial direction along the large-diameter roll step, and when expanded, the center of the outer circumferential side of each fan-shaped portion reaches the position of the outer circumferential surface of the adjacent large-diameter roll step. A roll for conveying strip-shaped metal plates.