JPH0724889B2 - Intermittent feeding device for plate material - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intermittent feeding device for a plate-like material which intermittently feeds the plate-like material in a predetermined direction.

[0002]

2. Description of the Related Art Among intermittent feeding devices for feeding a plate-shaped material intermittently, that is, intermittently by a predetermined size to a blank forming press machine and the like, there are a clamp feeding system and a roll feeding system. Roll feeding method (for example, Japanese Patent Publication No. 57-700)
No. 8) is more suitable for high speed feeding.

FIGS. 6 and 7 show a conventional roll-feed type intermittent feed device for plate-like materials. In the figure, the intermittent feeding device 10 includes a material guide unit 31 and a roll feeder (1) from the upstream side to the downstream side in the feeding direction X of the plate-shaped material W.
1, 21) and the material guide unit 35 are arranged. The upper and lower material guide units 31, 35 are
It is provided for smooth feeding of the plate-shaped material W and often includes a plurality of rollers (not shown).

Reference numeral 1 in the figure denotes an upper die that reciprocates vertically (UD), and cooperates with a lower die 2 to form a press machine for forming a blank from a plate-shaped material W. The plate-shaped material W that has passed through the press machine (1, 2) is sent to the winder 4 through the roller 3.

Here, the roll feeder (11, 21)
Consists of a semi-circular upper roll 11 attached to the upper shaft 15 of the axis Y and a lower roll 21 attached to the lower shaft 25 of the axis Y. At least one roll (for example, the lower roll 21) has both axis lines. The materials are moved toward and away from the material feed line X in the vertical axis Z direction connecting Y and Y, and are swung by a predetermined angle.

Therefore, the upstream material guide unit 3
If the plate-shaped material W is inserted between both rolls W11 and 21 through the roll 1, the plate-shaped material W is advanced in the X direction by the swinging motion of both rolls 11 and 21, and the press machine (through the downstream side material guide unit 35). 1 and 2) can be sent intermittently.

[0007]

However, according to the above-described conventional structure, both the upstream material guide unit 31 and the downstream material guide unit 35 are provided with both rolls 11,
In order to avoid contact with 21, it is arranged with a certain gap in the X direction. Therefore, when the plate-shaped material W is fed at a high speed, there is no problem because the upstream side is the pulling direction, but the downstream side is the pushing direction, so the downstream side material guide unit 35.
There is a problem that so-called jam occurs between the (front end surface 35e). Since plate materials tend to be thin and have low rigidity as they are diversified, a solution thereof is strongly desired.

An object of the present invention is to provide an intermittent feeding device for a plate-shaped material which can prevent jamming of the plate-shaped material and achieve high-speed and smooth intermittent feed.

Another object of the present invention is to provide an intermittent feeding device for a plate-shaped material which can smoothly and intermittently feed even a narrow plate-shaped material at high speed.

[0010]

According to a first aspect of the present invention, there is provided a roll feeder for swinging and rotating an upper roll (11) and a lower roll (21) to intermittently feed a plate material (W) in a predetermined direction. In the intermittent feeding device for the plate-shaped material, which comprises upstream and downstream material guide units (31, 35) arranged before and after the roll feeder, the upper roll (11) and the lower roll (21) ) In the reduced diameter recess (12,
22) is provided, and the downstream material guide unit (35) is provided.
From the side to the diameter-reduced recesses (12, 22) and the tips (41F, 45F) thereof project upstream from the vertical axis (Z) connecting the axes (Y, Y) of both rolls (11, 21). It is characterized in that a pair of upper and lower guide plates (41, 45) are provided.

Further, the invention of claim 2 is such that the upper roll (1
1) and a lower roll (21) are pivotally rotated to intermittently feed the plate-shaped material (W) in a predetermined direction, and upstream and downstream material guide units arranged before and after the roll feeder. (31, 35) and an intermittent feeding device for a plate-shaped material, the upper roll (1
1) and a part of the lower roll (21) (11P, 2
1P) is arranged with a displacement in the axis (Y, Y) direction so as not to contact the plate-like material (W) to which it is fed, and the plate-like material (W) from the downstream side material guide unit (35) side. ) The upper roll (11) and the lower roll (21) plunge along the non-contact portion (W1) and their tips (41F, 45).
F) is provided with a pair of upper and lower guide plates (41, 45) projecting upstream from a vertical axis (Z) connecting the axes (Y, Y) of both rolls (11, 21).

[0012]

In the invention of claim 1 having the above-mentioned structure, when the upper and lower rolls are oscillated, the plate-like material is intermittently fed in a predetermined direction. At this time, the plate-shaped material is guided by the upper and lower guide plates that project upstream from the vertical axis that connects the axis lines of the rolls, that is, the feed force applying point, through which the tip ends pass through the reduced-diameter recesses of both rolls. The material is sent to the downstream material guide unit while its posture is adjusted. Therefore, the space up to the material guide unit on the downstream side is no longer free, and jamming is prevented, so that the material can be intermittently fed at high speed and smoothly.

Further, in the invention of claim 2, the upper and lower rollers are displaced in the axial direction to form a portion in the width direction of the plate-shaped material in which the upper and lower rollers are not in contact with each other. Since a pair of guide plates are provided along the upper and lower parts of the section, projecting upstream from the vertical axis, narrow and narrow plate-shaped materials that cannot be provided with diameter-reducing recesses in the upper and lower rolls can be processed quickly and smoothly. Can be sent intermittently.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) This first embodiment is shown in FIGS. The same or common parts as those of the conventional example (FIGS. 6 and 7) are designated by the same reference numerals, and the description thereof will be simplified or omitted.

1 to 3, the upper roll 11 and the lower roll 21 forming the roll feeder are provided with diameter-reducing recesses 12 and 22, respectively. Each reduced diameter recess 12,2
2 allows the rush of the guide plates 41 and 45 described later in detail. In this embodiment, in view of the wide plate-shaped material W, as shown in FIGS. 2 and 3, in the width direction of the rolls 11 and 21. It is provided in the center of. You may form separately on both side surfaces.

On the other hand, the rolls 11 and 21 may be divided into upper and lower two-divided type rolls in FIG.

Now, the pair of upper and lower guide plates 41 and 45 are
The jam occurrence preventing means 40 is configured. As shown in FIG. 1, each of the guide plates 41 and 45 projects into each of the reduced diameter recesses 12 and 22 from the downstream side in the feeding direction of the plate-shaped material W, and the tips 41F and 45F of the guide plates 41 and 45 of the both rolls 11 and 12, respectively. A vertical axis Z connecting the axes Y, Y, that is, a point projecting upstream from the feed force application point where both rolls 11 and 12 contact each other. Therefore, the plate-shaped material W is already guided between the guide plates 41 and 45 at the time when the feeding force is applied, and is extruded to the downstream side material guide unit 35 while adjusting the posture, so that the occurrence of jam can be prevented.

The base end portions of the guide plates 41 and 45 are fixed to the downstream material guide unit 35 for convenience of work, but they are in non-contact with other structures so as to have a slight clearance therebetween. May be attached.

However, according to the first embodiment,
The lower rolls 11 and 21 are provided with diameter-reducing recesses 12 and 22, and the diameter-reducing recesses 12 and 22 are projected from the downstream side, and the tips 41F and 45F thereof are projected to the upstream side from the feeding force application point (axis Z). The plate-shaped material W has a configuration in which the jam occurrence preventing means 40 including the pair of guide plates 41 and 45 is provided.
High-speed and smooth intermittent feed can be performed regardless of the thickness, material, rigidity, etc.

Further, since the diameter-reduced recesses 12 and 22 are provided at the centers of the rolls 11 and 21 in the width direction, the rolls 11 and 21 can accurately feed the plate-shaped material W in a straight line without meandering.

(Second Embodiment) This second embodiment is shown in FIG.
As shown in FIG. 5, the jam occurrence preventing means 40 is provided even if the plate-shaped material W is narrow.

That is, when the width of the plate-shaped material W is small, even if each roll 11, 21 itself or each roll 11, 21 is divided into two in the width direction, it is sufficient to thrust both guide plates 41, 45. In some cases, it may be difficult to provide the reduced-diameter recesses 12 and 22 having a size.

Thus, in this second embodiment, as shown in FIG. 4, the widthwise center CL of each roll 11, 21 is located above the feed axis X of the plate-shaped material W in the case of FIG. The position is displaced. That is, the parts 11P and 21P of the rolls 11 and 21 are disposed so as to be displaced in the axis Y direction so as not to come into contact with the plate-shaped material W.

Then, from the plate-like material W to be sent,
A portion W1 thereof does not come into contact with both rolls 11 and 21 by the dimension S shown in FIG. Here, the two guide plates 41, 45 are guided to the upstream side along the up and down direction of the non-contact portion W1, and the respective tips 41F, 45F are arranged so as to project upstream of the axis Z.

Therefore, in this second embodiment,
Even if the width of the plate-shaped material W is small, a part of the plate-shaped material W (a part other than W1) is already guided between the guide plates 41 and 45 on the upstream side of the axis Z. Similar to the case of, the intermittent feeding can be performed at high speed and smoothly.

Further, in this embodiment, the upstream material guide unit 31 is provided with the rolls 11 and 21 as shown in FIG.
It is formed by including the plates 32 and 33 which are close to. Further, the downstream material guide unit 35 is also provided in each of the rolls 11 and 2.
It is formed by including the plates 36 and 37 which are close to 1.
Therefore, even a portion which is not guided by both guide plates 41, 45 is guided between both plates 36, 37 immediately after exiting both rolls 11, 21 (axis Z), so that it can be fed more smoothly and intermittently.

[0027]

As is apparent from the above description, claim 1
According to the invention, in the intermittent feeding device for the plate-like material provided with the roll feeder and the upstream and downstream material guide units, the upper and lower rolls forming the roll feeder are formed with the diameter-reducing recesses, and the downstream side is formed. Since it has a configuration in which a pair of upper and lower guide plates are provided, each of which protrudes into each of the reduced diameter recesses and the tip of which protrudes upstream from the feed force application point, a jam occurs between both rolls and the downstream material guide unit. Can be prevented. Therefore, the plate-shaped material can be smoothly and intermittently fed at high speed.

Further, according to the second aspect of the invention, both rolls are arranged so as to be displaced in the axial direction, the plate material is projected along the non-contact portion with the both rolls, and the tip end thereof has the axis Z. Since the guide plate is provided so as to project to the upstream side, jamming can be prevented and smooth intermittent feeding can be performed even with a narrow plate-shaped material.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a first embodiment of the present invention.

FIG. 2 is likewise a plan view.

FIG. 3 is likewise a cross-sectional view based on the arrow line in FIG.

FIG. 4 is a plan view showing a second embodiment without the upper roll.

FIG. 5 is likewise a side view.

FIG. 6 is a side view showing a conventional example.

FIG. 7 is likewise a plan view.

[Explanation of symbols]

 1 Upper Die 2 Lower Die 4 Winder 10 Intermittent Feed Device 11 Upper Roll (Roll Feeder) 11P Part of Upper Roll 12 Reduced Diameter Recess 15 Shaft (Axis Y) 21 Lower Roll (Roll Feeder) 21P Part of Lower Roll 22 Reduced-diameter recessed portion 25 Shaft (axis Y) 31 Upstream material guide unit 32, 33 Plate 35 Downstream material guide unit 36, 37 Plate 40 Jam generation preventing means 41 Guide plate 41F Tip 45 Guide plate 45F Tip W Plate material W1 Non-contact part Z vertical axis

Claims (2)

[Claims] 1. An upper roll (11) and a lower roll (2
1) A roll feeder that swings and rotates the plate material (W) in a predetermined direction to intermittently feed it, and upstream and downstream material guide units (31, 35) arranged before and after the roll feeder. In the intermittent feeding device for a plate-shaped material, the upper roll (11) and the lower roll (21) are provided with reduced diameter recesses (12, 22), and the downstream material guide unit (35) side Both ends of the roll (11, 22) are projected into the diameter-reduced recesses (12, 22) and their tips (41F, 45F).
An intermittent feeding device for a plate-shaped material, comprising a pair of upper and lower guide plates (41, 45) projecting upstream from a vertical axis (Z) connecting the axes (Y, Y) of 1). 2. An upper roll (11) and a lower roll (2
1) A roll feeder that swings and rotates the plate material (W) in a predetermined direction to intermittently feed it, and upstream and downstream material guide units (31, 35) arranged before and after the roll feeder. In the intermittent feeding device for a plate-shaped material, the upper roll (11) and the lower roll (21) are partly in non-contact with the plate-shaped material (W) to which (11P, 21P) is fed. Are arranged so as to be displaced in the axial (Y, Y) direction, and the upper roll (11) and the lower roll (2) of the plate-like material (W) are arranged from the downstream material guide unit (35) side.
1) rushes along the non-contact portion (W1) and its tip (41F, 45F) is upstream of the vertical axis (Z) connecting the axes (Y, Y) of both rolls (11, 21). An intermittent feeding device for a plate-shaped material, which is provided with a pair of upper and lower guide plates (41, 45) protruding.