JP2012006692A - Article cut-out apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an article cut-out apparatus which can surely cut out a large number of plate-like articles one by one without being provided with large-scale equipment, which prevents a surface of the article from being scratched during conveyance, and which prevents the article itself from being damaged by being curled up or wrinkled.SOLUTION: The article cut-out apparatus 100 includes a cut-out conveyor 110 for conveying the plurality of plate-like articles in a separated state one by one, and a feed conveyor 120 for feeding the articles into the cut-out conveyor 110. A swing lever 150 is provided above a conveying surface of the feed conveyor 120, and a swing tip end 151 is pushed to an end side on the side of the cut-out conveyor 110 by self-weight.

Description

  The present invention relates to an article cutting device that separates a plurality of plate-like articles placed on a conveyor during transportation and cuts them one by one.

Conventionally, an article cutting device has been used to process a plurality of plate-like articles of various sizes, such as reading a barcode of each plate-like article or individually packaging the article. Are cut out and conveyed one by one.
For example, a device is known in which a large number of plate-shaped articles are stacked and accommodated in a hopper, and the lowest article in the hopper is adsorbed and cut out one by one by a vacuum chamber on the back of the belt conveyor having an inclination angle. Yes (see, for example, Patent Document 1).

  However, such an apparatus not only requires large-scale equipment such as a vacuum pump apparatus, but also the lowermost article due to the weight of a large number of plate-like articles accommodated in the hopper and one above it. Since it is cut out and conveyed against the static frictional force with the article, there is a problem that the article surface is easily scratched during conveyance.

  Therefore, as shown in FIG. 9, a transport conveyor 530 that sequentially transports a large number of plate-shaped articles W in the transport direction, and a state in which at least a part of the plate-shaped articles arranged continuously with the transport conveyor 530 overlap each other. And a cutout conveyor 510 that is arranged continuously on the feed conveyor 520 and that separates plate-like articles one by one, and sets the conveyance speed and installation angle of each conveyor. Thus, an article cutting device 500 that cuts and conveys articles while suppressing excessive static frictional force between articles and reducing scratches on the article surface is known (for example, see Patent Document 2).

JP 08-169553 A (first page, FIG. 1) JP 2008-165944 A (all pages, all figures)

  However, even the article cutting device as shown in Patent Document 2 has many kinds of plate-like articles and the surface static frictional force is not constant, or changes depending on the environment such as temperature and humidity. In such a case, there is a problem that a phenomenon occurs in which the cutting conveyor conveys two plate-shaped articles in a stacked state.

  In order to eliminate the state in which the two sheets are overlapped as described above, as shown in FIG. 10, an air nozzle 601 is provided above the conveying surface of the cutting conveyor 610, and high-speed air is blown in the direction opposite to the conveying direction. An article cutting device 600 that separates the stacked plate-like articles is also known.

  However, such an apparatus requires a large facility such as a pump device as in the article cutting apparatus as shown in the above-mentioned Patent Document 1, and a plate-like article is a book or a package, etc. In the case of an article in which a plurality of thin sheets are laminated, there is a problem that the article itself is damaged by turning up or wrinkling.

  The present invention solves the problems of the prior art as described above, that is, the object of the present invention is to reliably cut out a large number of plate-like articles one by one without providing a large facility. Another object of the present invention is to provide an article cutting device that can prevent the surface of an article from being scratched during conveyance and prevent the article itself from being damaged by turning up or wrinkling.

  The invention according to claim 1 is a cutout conveyor that transports a plurality of plate-shaped articles in a state of being separated one by one, and a feed that transports the articles in a state where at least a part thereof overlaps and feeds the articles into the cutout conveyor. In the article cutting device provided with a conveyor, the transport speed of the feed conveyor is set slower than the transport speed of the cut conveyor, and is parallel to the transport surface of the feed conveyor above the transport surface of the feed conveyor. A swing lever having a swing shaft perpendicular to the transport direction is provided, and the swing tip portion of the swing lever is pressed by its own weight against the cut conveyor side end of the transport surface of the feed conveyor. The above-described problem is solved by being configured as described above.

  In the invention according to claim 2, in addition to the configuration of the article cutting device according to claim 1, the swing lever is cantilevered so as to be swingable by a support portion provided on a side. Therefore, the above-described problem is further solved.

  In the invention according to claim 3, in addition to the configuration of the article cutting device according to claim 1 or 2, the swing lever adjusts the pressing force in the direction of the conveying surface of the feed conveyor. By having the counterweight to be used, the above-mentioned problem is further solved.

  In the invention according to Claim 4, in addition to the configuration of the article cutting device according to any one of Claims 1 to 3, the swing tip of the swing lever is formed in a curved surface. This further solves the above problem.

  According to the fifth aspect of the invention, in addition to the configuration of the article cutting device according to any one of the first to fourth aspects, the pressing surface on the feed conveyor side of the swing lever has a sliding resistance. The said subject is further solved by performing the surface treatment to reduce.

  The invention according to claim 6 further solves the above problem by adding the sheet having a low coefficient of friction to the pressing surface in addition to the configuration of the article cutting device according to claim 5. To do.

  In the invention according to claim 7, in addition to the configuration of the article cutting device according to any one of claims 1 to 6, the cutting conveyor and the feeding conveyor have their respective conveying surfaces in the conveying direction. The above-mentioned problem is further solved by having an uphill inclination angle and the inclination angle of the conveying surface of the cutout conveyor is equal to or larger than the inclination angle of the conveying surface of the feed conveyor.

  In the invention according to claim 8, in addition to the configuration of the article cutting device according to any one of claims 1 to 7, a plurality of plate-like articles are connected to each other on the upstream side of the feed conveyor. In this state, the problem is further solved by providing a conveyor for placing and transporting the end face.

  In the invention according to claim 9, in addition to the configuration of the article cutting device according to claim 8, the transport surface of the transport conveyor is horizontal, and the transport speed of the transport conveyor is the transport of the feed conveyor. The problem is further solved by setting the speed slower than the speed.

  The article cutting device according to the first aspect of the present invention includes a cutting conveyor that transfers a plurality of plate-shaped articles one by one, and a cutting and conveying apparatus that is at least partially overlapped. In the article cutting device provided with the feed conveyor that feeds into the conveyor, the transport speed of the feed conveyor is set slower than the transport speed of the cut conveyor, and the transport surface of the feed conveyor is parallel to the transport surface of the feed conveyor. A swing lever having a swing shaft perpendicular to the transport direction is provided, and the swing tip of the swing lever is configured to be pressed by its own weight to the end side of the conveyor side of the feed conveyor. As a result, when a plurality of plate-shaped articles are transferred from the feed conveyor to the cutting conveyor, the plate-shaped articles on which the rocking tip of the rocking lever overlaps are pressed from the traveling direction side. , The bottom article and one above Since it is possible to halt the progression of only articles on the one against the static frictional force between the goods, it can be cut reliably one by one plate-shaped article.

At this time, only the tip of the upper article in the traveling direction is pressed by the weight of the swing lever, so the sliding resistance with the lower article is small, and the tip of the swing lever is the same as the tip of the swing lever. Since it is possible to reduce the frictional resistance between the lowermost articles, it is possible to reduce scratches on both articles.
Moreover, it is not necessary to provide a large-scale facility only by providing a swing lever, and even in the case of an article in which a plurality of thin sheets are laminated, it is possible to prevent the article itself from being damaged due to turning up or wrinkles. .

  In addition to the effect achieved by the article cutting device according to the first aspect, the article cutting device according to the second aspect of the invention is cantilevered so that the swing lever can swing on the support portion provided on the side. As a result, the entire apparatus is further simplified, and the operator can easily handle the article and perform maintenance / inspection from the side.

  The article cutting device according to the third aspect of the invention has the pressing force in the direction of the conveying surface of the feed conveyor in addition to the effect of the article cutting device according to the first or second aspect. By having a counterweight that adjusts, it is possible to easily adjust to the optimal pressing force according to the material, size, thickness, surrounding environment, etc. of the plate-like article being conveyed The whole apparatus can be simplified, and any article and surrounding environment can be reliably cut out one by one.

  In the article cutting device according to the fourth aspect of the invention, in addition to the effect exhibited by the article cutting device according to any one of the first to third aspects, the swinging tip of the swing lever is formed in a curved surface. By doing so, it is possible to reduce scratches caused by sliding between the tip of the swing lever and the lowermost article.

  In the article cutting device according to the fifth aspect of the invention, in addition to the effect exhibited by the article cutting device according to any one of the first to fourth aspects, the pressing surface on the feed conveyor side of the swing lever is slid. By performing the surface processing for reducing the dynamic resistance, it is possible to reduce the frictional resistance between the pressing surface of the swing lever and the plate-like article, and to reduce the scratches caused by sliding.

  The article cutting device according to the sixth aspect of the present invention has a rocking lever that has a pressing surface to which a sheet having a low friction coefficient is attached in addition to the effect exhibited by the article cutting device according to the fifth aspect. The sliding resistance of the pressing surface can be reduced without processing the pressing surface or using a high-cost material.

  In addition to the effect produced by the article cutting device according to any one of the first to sixth aspects, the article cutting device according to the seventh aspect of the present invention includes the cutting conveyor and the feed conveyor, Even if the pressing force of the swinging lever is reduced, it is at the lowest position because it has an uphill angle in the conveying direction and the angle of inclination of the conveying surface of the cutting conveyor is greater than the angle of inclination of the conveying surface of the feed conveyor Since it is possible to stop the progress of only the upper article against the static frictional force between the upper article and the upper article, the abrasion caused by sliding can be further reduced.

  The article cutting device according to the eighth aspect of the invention has a plurality of plate-shaped articles on the upstream side of the feed conveyor in addition to the effect produced by the article cutting device according to any one of the first to seventh aspects. In this state, a large amount of plate-like articles can be automatically and sequentially placed on the feed conveyor.

  In the article cutting device according to the ninth aspect of the invention, in addition to the effect produced by the article cutting device according to the eighth aspect, the transport surface of the transport conveyor is horizontal, and the transport speed of the transport conveyor is the transport of the feed conveyor. By setting it slower than the speed, the work of placing a large amount of plate-like articles on the transport conveyor becomes easy.

The expanded side view of the article | item cutting device which is one Example of this invention. FIG. 2 is a perspective view of the vicinity of a swing lever of the article cutting device in FIG. 1. The side view of the rocking lever of the article cutting device of FIG. The top view of the rocking lever of the article | item cutting device of FIG. Operation | movement explanatory drawing of the article cutting device which is one Example of this invention. Operation | movement explanatory drawing following FIG. Operation | movement explanatory drawing following FIG. Operation | movement explanatory drawing following FIG. The side view of the conventional article cutting device. The side view of the other conventional article cutting device.

  The article cutting device according to the present invention includes a cutting conveyor that transports a plurality of plate-shaped articles in a state of being separated one by one, and a feed conveyor that transports the articles in a state where at least a part thereof overlaps and feeds the articles to the cutting conveyor The conveying speed of the feed conveyor is set to be slower than the conveying speed of the cutting conveyor, and above the conveying surface of the feeding conveyor is parallel to the conveying surface of the feeding conveyor and perpendicular to the conveying direction. A swing lever having a swing shaft is provided, and the swing tip of the swing lever is configured to be pressed by its own weight against the cut conveyor side end of the transport surface of the feed conveyor. Can be cut out one by one without large equipment, and the surface of the article can be prevented from being scratched during transportation, and can be turned up or wrinkled. As long as it exhibits an effect of itself to prevent damage, specific embodiments thereof may be any one.

Below, the article cutting device which is an example of the present invention is explained based on a drawing.
As shown in FIG. 1, an article cutting device 100 according to an embodiment of the present invention includes a cutting conveyor 110 that transports a plurality of plate-like articles one by one and a plurality of plate-like articles. A feed conveyor 120 that transports at least a part of the paper and feeds it to the cutting conveyor 110, and a horizontal transport surface 131, and a plurality of plate-shaped articles are placed on their end surfaces in contact with each other. And a transport conveyor 130 for transporting to the feed conveyor 120.

  A swing lever 150 having a swing shaft 152 parallel to the transport surface 121 of the feed conveyor 120 and perpendicular to the transport direction is provided above the transport surface 121 of the feed conveyor 120. The moving front end portion 151 is configured to be pressed by its own weight to the end portion side of the cutting conveyor 110 side of the transport surface 121 of the feed conveyor 120.

The cutout conveyor 110, the feed conveyor 120, and the transfer conveyor 130 are independently driven to rotate. The transfer speed of the cutout conveyor 110 is driven at the highest speed, the feed conveyor 120 is at an intermediate speed, and the transfer conveyor 130. Is driven at the slowest speed.
Moreover, the conveyance surface 131 of the conveyance conveyor 130 is set horizontally, the feed conveyor 120 has an uphill inclination, and the cutout conveyor 110 is set so that it may have an inclination more than the feed conveyor 120.

As shown in FIGS. 2 to 4, the swing lever 150 has the same width as the feed conveyor 120, and the swing shaft 152 is cantilevered by a support portion 160 provided on the side of the article cutting device 100. It is configured to be swingable.
A mounting long hole 154 is provided on the opposite side of the swinging tip portion 151 with respect to the swinging shaft 152 of the swinging lever 150. By attaching the counterweight 153 to the mounting long hole 154 so that the position can be adjusted, The pressing force of the swing tip 151 is configured to be adjustable.

  Further, the swinging tip 151 of the swinging lever 151 is formed in a curved surface, and a sheet with a low friction coefficient is stuck on the pressing surface 155 on the feed conveyor 120 side of the swinging lever 151 including the swinging tip 151. Surface processing which reduces sliding resistance such as being performed is performed.

The operation of the article cutting device 100 of the present invention configured as described above will be described with reference to FIGS.
First, as shown in FIG. 5, a plurality of plate-like articles W are transported with their end surfaces placed on the transport surface 131 of the transport conveyor 130 while being in contact with each other, and on the transport surface 121 of the feed conveyor 120. Sent out.

  Since the conveyance direction terminal part of the conveyance conveyor 130 is located above the conveyance surface 121 of the feed conveyor 120 and the conveyance speed of the conveyance conveyor 120 is set faster than the conveyance speed of the conveyance conveyor 130, a plurality of plate-like shapes The article W is transported in a state where it falls on the transport surface of the feed conveyor 120 and partially overlaps.

The plurality of plate-like articles W on the transport surface of the feed conveyor 120 are transported until they come into contact with the pressing surface 155 on the feed conveyor 120 side of the swing lever 151 provided above.
In the present embodiment, as shown in FIG. 5, when a plurality of plate-like articles W are large, the pressing surface 155 is moved to the pressing surface 155 when the conveying conveyor 130 falls onto the conveying surface of the feeding conveyor 120. The transport distance of the feed conveyor 120, the position of the swing lever 151, the shape of the pressing surface 155 of the swing lever 151, etc. are set so as to make contact, but the transfer from the transport conveyor 130 to the feed conveyor 120 is smooth. The setting is not limited to this as long as the setting is performed.

Next, as shown in FIGS. 6 to 7, the most advanced plate-shaped article W <b> 1 is further conveyed by pushing up the pressing surface 155 of the swing lever 151 by the feed conveyor 120.
Since the rocking tip 151 of the rocking lever 151 is formed in a curved surface, it can be pushed up smoothly.

  The conveying surface 121 of the feed conveyor 120 is designed such that the friction coefficient with the plate-like article W is larger than the friction coefficient between the plate-like articles W, and the pressing force of the swing lever 150 is appropriately set. Thus, the next plate-like article W2 is prevented from advancing by the swing lever 150 and separated from the most advanced plate-like article W1.

The pressing force of the swing lever 150 can be adjusted by changing the attachment position of the counterweight 153 to the attachment elongated hole 154.
Further, when the state-of-the-art plate-shaped article W1 is transported by pushing up the pressing surface 155 of the rocking lever 151 by the feed conveyor 120, the surface of the rocking tip 151 and the surface of the state-of-the-art plate-shaped article W1 are slid. However, since the pressing surface 155 on the feed conveyor 120 side of the swing lever 151 includes a sheet having a low coefficient of friction including the swing tip 151, scratching due to sliding is prevented. .

  As shown in FIG. 8, the conveyance direction end of the feed conveyor 120 is located above the conveyance surface 111 of the cutout conveyor 110, and the conveyance speed of the cutout conveyor 110 is faster than the conveyance speed of the feed conveyor 120. Since it is set, the state-of-the-art plate-shaped article W1 is transferred and transported alone on the transport surface 111 of the cutting conveyor 110.

  Then, the next plate-like article W2 is positioned at the forefront on the conveying surface 121 of the feed conveyor 120, and the action of the swing lever 150 is repeated, so that the next plate-like article W2 is fed to the feed conveyor 120. Thus, the pressing surface 155 of the swing lever 150 is pushed up and further conveyed, and the next plate-like article W3 is prevented from advancing by the swing lever 150 and separated from the plate-like article W2.

Thus, by repeating the operation by the swing of the swing lever 150, the plate-shaped article W can be continuously cut out one by one.
At this time, as shown in FIGS. 5 to 8, even when a plurality of plate-like articles W are mixed in different thicknesses and sizes, the action of the rocking lever 150 hindering the progress is almost the same. It is constant and can be cut out reliably one by one without providing large-scale equipment.

  Furthermore, since the action of preventing the movement by the swing lever 150 is achieved by pressing the end portion of the plate-like article W, a plurality of thin sheets such as a book or a package of the plate-like article W are provided. Even in the case of stacked articles, the articles themselves are not damaged by turning up or wrinkling.

  As described above, according to the article cutting device 100 of the present invention, a large number of plate-like articles can be reliably cut out one by one without providing large-scale equipment, and the article surface is scratched during transportation. The effect is enormous, such as preventing the article from being damaged and preventing the article itself from being damaged by turning up or causing wrinkles.

  In addition, if the structure of each structural member of the article cutting device 100 of the present invention or the arrangement of the entire structural members is within the scope of the technical matters described in each claim, It is not limited to a thing, What kind of thing may be sufficient.

100, 500, 600 ... Article cutting device
601 ... Air nozzles 110, 510, 610 ... Cut-out conveyor 111 ... Conveying surfaces 120, 520, 620 ... Feed conveyor 121 ... Conveying surfaces 130, 530, 630 ... Conveying conveyor 131 ..Conveying surface 150... Swing lever 151... Swing tip 152. Swing shaft 153 .. Counterweight 154. Part W ... Plate-shaped article

Claims (9)

Article cutting apparatus comprising: a cutting conveyor that transports a plurality of plate-shaped articles one by one; and a feed conveyor that transports the articles in a state where at least a portion thereof overlaps and feeds the articles to the cutting conveyor In
The transport speed of the feed conveyor is set slower than the transport speed of the cutting conveyor,
Above the transport surface of the feed conveyor, a swing lever having a swing shaft parallel to the transport surface of the feed conveyor and perpendicular to the transport direction is provided.
The article cutting device characterized in that the swinging tip of the swing lever is configured to be pressed by its own weight on the side of the transporting side of the feed conveyor toward the end of the cutting conveyor.   2. The article cutting device according to claim 1, wherein the swing lever is cantilevered so as to be swingable by a support portion provided on a side.   3. The article cutting device according to claim 1, wherein the swing lever includes a counterweight that adjusts a pressing force in a direction of the transport surface of the feed conveyor.   The article cutting device according to any one of claims 1 to 3, wherein a swing tip portion of the swing lever is formed in a curved surface.   The article cutting device according to any one of claims 1 to 4, wherein the pressing surface of the swing lever on the feed conveyor side is subjected to surface processing for reducing sliding resistance.   The article cutting device according to claim 5, wherein the pressing surface has a low friction coefficient sheet attached thereto. Each of the cutting conveyor and the feed conveyor has an inclination angle in which each conveyance surface climbs in the conveyance direction,
The article cutting device according to any one of claims 1 to 6, wherein an inclination angle of a conveying surface of the cutting conveyor is equal to or larger than an inclination angle of a conveying surface of the feeding conveyor.   The transport conveyor for placing and transporting a plurality of plate-shaped articles in a state where they are in contact with each other on the upstream side of the feed conveyor. The article cutting device described in 1. The transport surface of the transport conveyor is horizontal,
The article cutting device according to claim 8, wherein a conveying speed of the conveying conveyor is set to be slower than a conveying speed of the feeding conveyor.

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