JP4576897B2 - Scratch card peeling device - Google Patents

Description

  The present invention relates to a scratch card peeling device for peeling a scratch concealment layer, and more particularly, a scratch card peeling that uses a blade to be quickly and safely (without damaging the card surface) and reliably collect peeling debris. It relates to the device.

  Conventionally, for example, in an instant lottery ticket or a game card, concealment and scratching (ease of scratching) in order to conceal individual (confidential) information consisting of “winning”, “disappearance” or a picture corresponding thereto. Scratch printed matter that conceals the individual information with a cohesive and destructive rubber-based ink and allows the purchased customer to scratch off (scratch off) the coin with a coin or the like when using it. It is known and used in various fields including for games.

  As printed matter to which the scratch concealment layer is applied, for example, individual information such as patterns, letters and numbers is printed on a base sheet made of paper or a plastic sheet, and the scratch concealment layer is provided so as to cover the individual information. There are scratch cards that have been applied, customers who purchased this scratch card, and in some cases, the scratch cards brought in by the customer are collected at the sales office etc., and the scratch concealment layer is scratched off with coins and nails etc. Individual information made up of numbers, etc., and judgment information representing winnings can be visually recognized.

  In this way, particularly at sales offices, there is work to peel off a scratch concealment layer such as a large number of scratch cards (scratch-off). In this case, manual operation using coins or nails requires a lot of time and labor. However, there was a problem that the scraped scratch concealment layer was scattered and the surrounding area was soiled.

  As a solution to the above problems, a scraping concealment layer for a medium can be easily and quickly arranged by placing the scraper (blade) tip on the conveyance path so as to contact the scratch path between the conveyance path and the scraper. In addition, a collection box is provided at the bottom of the scraper to collect the scrape of the scratch concealment layer, so that the scrape of the scratch concealment layer peeled by the scraper tip is prevented from being collected and scattered in the collection box. Yes. Furthermore, there is a scratch ticket peeling mechanism that can handle a peeling operation of a scratch ticket having different thickness and hardness by giving a presser adjusting mechanism to the scraper (see, for example, Patent Document 1).

The above prior art documents are shown below.
JP 2003-40520 A

  However, in the above-described conventional technology (scratch ticket peeling mechanism), it is possible to easily and quickly peel off, but the scrap of the peeled scratch concealment layer is finely broken into a card, a scraper, a conveyance path, etc. There is a problem in that it adheres to the periphery due to its adhesiveness and electrification, bites between the card and the scraper, lowers the peeling performance, and does not disturb collection in the collection box. Furthermore, it is possible to cope with the thickness and hardness of the card by giving the scraper a pressing adjustment mechanism. For this reason, the scraper blade edge damages the printed surface of the card surface, and after the card passes There was a problem of damaging the transport path.

  The present invention solves the problems of the prior art, and the problem is that a scratch card is sandwiched between a tool and a tool rest and pulled and conveyed by a conveying means to be a scratch concealment layer on the card. In a scratch card peeling device that peels off the scratch, the scratch concealment layer to be peeled off is easily collected and does not adhere to the periphery of the card, etc., and the scratch does not damage the card surface or the tool post at the tip of the cutter The object is to provide a card peeling device.

In order to achieve the above object in the present invention, first, in the invention of claim 1, the scratch card provided with the scratch concealment layer is sandwiched between the tool and the tool rest, and is pulled and conveyed by the conveying means. In the scratch card peeling apparatus for peeling the scratch concealment layer, the scratch card having the blade angle of 50 to 70 ° and the elevation angle of 10 to 20 is sandwiched between the blade and the tool post and conveyed. in the scratch card peeling device for peeling the scratch masking layer is conveyed pulling in means, the blade angle is 50-70 ° of the blade, elevation 10 to 20 °, Ri range der clearance angle is 10 to 20 °, the rotated in the running direction opposite to the direction of the scratch card, the arranged soft brush roller so that the blade and the outer peripheral edge tool rest contacts are provided It is obtained by a scratch card peeling apparatus characterized.

  According to a second aspect of the present invention, there is provided a scratch card peeling apparatus according to the first aspect, wherein a cutting edge portion of the blade is rounded to R3 to 20 μm or blunted to a width of 5 to 30 μm. It is what.

According to a third aspect of the present invention, there is provided a scratch card peeling apparatus according to the first or second aspect, wherein a doctor blade is provided at the lower part of the rotating soft brush roller so as to bite into the tip of the brush. It is what.

Further, in the invention of claim 4, in the scratch card peeling apparatus for sandwiching the scratch concealing layer, the scratch card is sandwiched between the tool and the tool post, and pulled and transported by a transport means to separate the scratch concealing layer. The turret is in the form of a roller that rotates in the direction of travel of the scratch card, and a doctor blade is provided on the outer periphery of the roller-shaped turret, and the blade angle of the tool is 50 to 70 ° and the elevation angle is 10 to 10. 20 °, clearance angle is in the range of 10 to 20 °, and has a mechanism that is stopped at a position slightly narrower than the thickness of the scratch card to be conveyed from the roller-shaped blade base surface on which the blade edge of the blade rotates . The scratch card peeling device is characterized by the above.

According to a fifth aspect of the present invention, there is provided the scratch card peeling apparatus according to the fourth aspect, wherein the cutting edge portion of the blade is rounded to R3 to 20 μm or blunted to a width of 5 to 30 μm. It is what.

  Since this invention is the above structure, there exist the following effects.

  That is, according to the first aspect of the present invention, the scratch card having the scratch concealing layer is sandwiched between the tool and the tool post, and is pulled and conveyed by the conveying means to peel off the scratch concealing layer. In the peeling apparatus, by setting the blade angle of the blade to 50 to 70 °, the elevation angle to 10 to 20 °, and the clearance angle to 10 to 20 °, the peeled piece (scraped) of the scratch concealment layer peeled from the scratch card Scratch card that makes it easy to discharge and collect the peeled piece, so that the peeled piece does not break into pieces and adheres to the periphery of the card or blade. It can be a peeling device.

Furthermore , the peeling piece of the peeled scratch concealment layer is discharged by providing a soft brush roller that rotates in the direction opposite to the direction of travel of the scratch card at the contact point between the tool and the tool rest and lightly touches the outer periphery. It is possible to provide a scratch card peeling device that rolls off the scrap card so that it is easy to be removed and passes the scratch card after the scratch card passes, and then removes the remaining residue of the peeling piece or the like with a rotating soft brush roller.

  Moreover, according to the invention which concerns on the said Claim 2, the surface of a scratch card | curd by assuming that the blade edge | tip part of the said cutter shall be rounded processing of R3-20micrometer, or shall have been blunted 5-30 micrometers in width. Or it can be set as the scratch card peeling apparatus which does not damage the printing surface of a surface with a blade edge | tip.

According to the invention of claim 3 above, the peeling blade debris attached to the brush itself is automatically removed by placing a doctor blade so as to bite into the tip of the rotating soft brush roller. Can be removed.

According to the fourth aspect of the present invention, the scratch concealment layer is formed by sandwiching a scratch card provided with a scratch concealment layer between a blade and a rotating roller-shaped tool post, and pulling and conveying the card. A scratch card peeling device, wherein the roller-shaped tool post rotates in accordance with the traveling direction of the scratch card, and the blade is placed so that the tip of the doctor blade faces the rotation direction. The peeled piece (shaving residue) of the scratch concealment layer peeled in step 1 is pushed by the blade and accumulates on the scratch card, but adheres to the outer peripheral surface of the roller-shaped tool rest upon completion of peeling, and this attached peel It can be set as the scratch card peeling apparatus which scrapes and is discharged | emitted by a doctor blade.

  Furthermore, by setting the blade angle of the blade to 50 to 70 °, the elevation angle to 10 to 20 °, and the clearance angle to 10 to 20 °, the peeled piece (scraping scrap) of the scratch concealment layer peeled from the scratch card Can be rounded down in the direction of shaving, and the peeled piece is not crushed finely and sticking to the periphery of the card or the cutter as in the past, and this peeled piece is rolled up into a roller-shaped tool post Therefore, it can be set as the scratch card peeling apparatus which makes discharge | emission and collection | recovery of a peeling piece easier.

Furthermore, the cutting edge of the blade from a roller-like tool rest surface, by a mechanism which stops at a slightly narrower position than the thickness of the scratch card to be conveyed, it is possible scraping scratch concealing layer, a scratch card passes After that, the scratch card peeling device that prevents the harmful effect (scratches, etc.) of the blade tip from striking the roller-shaped tool post can be obtained by a simple pressing in which a conventional blade has a pressure adjusting mechanism.

Moreover, according to the invention which concerns on the said Claim 5 , the surface of a scratch card | curd by assuming that the blade edge | tip part of the said cutter shall be rounded processing of R3-20micrometer, or shall be blunt-processed 5-30 micrometers in width. Or it can be set as the scratch card peeling apparatus which does not damage the printing surface of a surface with a blade edge | tip.

  Therefore, the present invention exhibits an excellent practical effect as a scratch card peeling device that can easily and quickly remove and collect the peeled pieces of the scratch masking layer easily and quickly.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

  FIG. 1 is a schematic side view showing an example of the scratch card peeling apparatus of the present invention, and FIG. 2 is a schematic side view showing another example of the scratch card peeling apparatus of the present invention. FIG. 3 is a schematic side view showing the angle and the like of the blade constituting the scratch card peeling device of the present invention, and FIG. 4 is a side view showing the state of the cutting edge of the blade constituting the scratch card peeling device of the present invention. FIG. FIGS. 5 to 9 are schematic side views showing an example of peeling the scratch concealment layer using the scratch card peeling device of the present invention.

  For example, as shown in FIG. 1, the present invention comprises a cutter (30), a tool post (40) therebelow, and a pair of rear conveying rollers (50), and a scratch concealment layer (20) is applied. The scratch card (2) is sandwiched between the tool (30) and the tool post (40) having a flat upper surface, and is further moved between the rear conveying rollers (50). At this time, the tool (30) It is a scratch card peeling apparatus which peeled off the scratch concealment layer (20) of a scratch card (2).

  Moreover, as another form of the scratch card peeling apparatus of this invention, as shown, for example in FIG. 2, a cutter (30), a rotating tool post (40) under it, and a pair of rear conveying rollers (50) The scratch card (2) on which the scratch concealing layer (20) is applied is sandwiched between the blade (30) and a rotating roller-shaped tool rest (42), and the rear conveying roller (50 ), And at this time, the scratch concealment layer (20) of the scratch card (2) is peeled off by the blade (30).

  Therefore, in the invention according to the first aspect, for example, as shown in FIG. 3, the blade angle (a) of the blade (30) is 50 to 70 °, the elevation angle (b) is 10 to 20 °, and the clearance angle (c ) In the range of 10 to 20 °.

  Thus, by making each angle (a, b, c) of the blade (30) as described above, the scratch concealment layer (20) peeled from the scratch card (2) as shown in FIG. The peeling piece (22) can be rounded down in the shaving direction. Therefore, the rounded peeling piece (22) is a scratch card peeling device that can be easily discharged and collected.

  Further, the invention according to claim 2 is provided with a roundness (R) of 3 to 20 μm at the tip portion of the blade (30) as shown in FIG. 4 (a), for example. The scratch concealment layer (20) can be peeled off without damaging the surface of the scratch card (2), particularly the printed layer on the surface including individual information such as “win” and “off”. It is a thing.

  If the roundness (R) of the tip of the blade (30) is less than 3 μm, there is a risk of scratching the surface of the scratch card, and if it exceeds 20 μm, it is difficult to peel off the scratch concealing layer (20). Absent.

  Furthermore, the invention according to claim 2 is a scratch card peeling device in which a blunting width (W) of 5 to 30 μm is applied to the tip portion of the blade (30) as shown in FIG. 4 (b), for example. By making the tip having this blunting width (W), the scratch concealment layer (20) is obtained without damaging the surface of the scratch card (2), particularly the printed layer on the surface including individual information such as “hit” and “displacement”. ) Can be peeled off.

  If the blunting width (W) of the tip of the blade (30) is less than 5 μm, there is a risk of scratching the surface of the scratch card, and if it exceeds 30 μm, the scratch concealing layer (20) is difficult to peel off. Therefore, it is not preferable.

In the invention according to claim 1 , for example, as shown in FIG. 5, a soft brush roller whose outer peripheral edge lightly contacts the contact points of the tool (30), the tool post (40), and the scratch card (2) ( 52), and the soft brush roller (52) is rotated in a direction opposite to the traveling direction (P) of the scratch card (2). This rotation can also be transmitted through the belt (51) from the driving of the pair of rear conveying rollers (50).

  By providing the soft brush roller (52) in this way, for example, as shown in FIG. 6 (a), the tip of the soft brush roller (52) that rotates the peel piece (22) peeled from the scratch card (2). In FIG. 6 (b), after the scratch card (2) has passed through the cutter (30), the cutter card (30), the tool post (40), etc. The remaining strip (22a) can be removed.

Furthermore, in the invention according to the third aspect , for example, as shown in FIG. 6 (c), the doctor blade (54) is inserted into the tip of the soft brush roller (52) so as to bite in the rotating direction. It has been established.

  As described above, by providing the doctor blade (54) on the soft brush roller (52), it is also possible to automatically remove the peeling piece residue (22c) attached to the brush itself.

Further , for example, as shown in FIG. 7, a position slightly narrower than the thickness (D) of the scratch card (2) through which the blade edge of the blade (30) passes from the upper surface of the tool rest (40), that is, the blade (30). The distance (E) between the cutting edge and the upper surface of the tool post (40) can be made slightly smaller than the thickness (D) of the scratch card (2) to be passed .

  More specifically, for example, as shown in FIG. 7, the tool (30) is pressed against the scratch card (2) on the tool rest (40) via the spring (35) from the upper driving force (K). However, the protrusion (30a) at the upper end of the blade (30) hits the adjustable fixing portion (33), and the upper surface slightly smaller than the thickness (D) of the scratch card (2) with respect to the upper surface of the tool rest (40) The distance (E) is the type of base material (paper, PVC, PET, etc.) of the scratch card (2), its thickness (D), etc. For example, the thickness (D) of the card (2) may be appropriately designed.

  By doing so, the scratch concealment layer (20) on the scratch card (2) can be scratched off, and after the scratch card (2) has passed, it occurs by pressing the simple blade (30). It is possible to prevent harmful effects (the cutting edge hits the tool post (40) and damages the cutting edge).

In the invention according to claim 4 , for example, as shown in FIG. 2, a scratch card (2) provided with a scratch concealment layer (20) is turned into a roller-like tool post (30) and a rotating tool post (30). 42) is a scratch card peeling device that is sandwiched between two pairs of conveying rollers (50) and pulled to peel off the scratch concealment layer (20). The roller-shaped tool post (42) of the scratch card (2) It is a scratch card peeling device provided with a doctor blade (47) that rotates in accordance with the traveling direction (P) and is disposed so that the tip faces the rotational direction (Q).

  In this way, the doctor blade (47) is placed against the rotational direction (Q) of the rotating roller-shaped tool post (42), and, for example, as shown in FIG. The peeled piece residue (22c) of the scratch concealing layer (20) is pushed by the blade (30) and accumulates on the scratch card (2). However, as shown in FIG. At the same time, if the tool (30) is removed and the scratch card (2) passes, it will adhere to the outer peripheral surface of the roller tool post (42) and the roller tool post (42) will rotate. As shown in FIG. 8 (c), the peeling piece residue (22c) is scraped off by the doctor blade (47) and discharged to a peeling piece collection box (not shown) or the like, and the next scratch When the card is supplied Has been a roller-shaped tool rest is (42).

The invention according to claim 4 further includes a blade (30) for peeling off the scratch concealment layer (20) of the scratch card (2) traveling on the rotating roller-shaped tool rest (42) as shown in FIG. Is a scratch card peeling device in which the blade angle (a) is 50 to 70 °, the elevation angle (b) is 10 to 20 °, and the clearance angle (c) is 10 to 20 °.

Further, although the invention according to claim 4 is not particularly illustrated, the invention according to claim 2 is a roller-shaped tool rest which is replaced with a flat tool rest, and similarly, the above invention is also a tool rest. Instead, a rotating roller-shaped tool rest is used, and the effect is substantially the same.

  The material of the scratch card used for the scratch card peeling apparatus of the present invention will be described below.

  For example, as shown in FIG. 10, the scratch card according to the present invention has individual information (12) made up of letters, numbers, etc. printed on a base sheet (10) made of plastic or the like. 12) Easy peelable layer (14) made of transparent varnish to cover and protect individual information (12), and has good peelability of scratch concealment layer (20) which has both scratch-off property and concealment property formed thereon In general, it is formed as a scratch card (2).

  In a scratch game card or the like, a white concealing layer (not shown) is provided with a white ink mainly composed of titanium white on the scratch concealing layer (20), and the determination (discrimination) information indicating a win or a grade is displayed. In some cases, the scratch card peeling device of the present invention is useful at a sales office or the like.

  Examples of the base sheet (10) constituting the scratch card (2) include high-quality paper and coated paper used in instant scratch tickets and the like, and white polyethylene used in telephone cards and the like. Examples thereof include white vinyl chloride (PVC) used for terephthalate (PET) and credit cards.

  In addition, individual information (12) such as numbers, symbols, characters, etc. at predetermined positions on the base sheet (10), for example, a thermal transfer system using a thermal head, an ink jet system, a toner transfer system using a laser, or a dot impact system. Etc. are formed.

  On the individual information (12), it is common to provide an easy-peeling layer (14) that serves to ensure the scratch (peeling) property of the scratch concealment (20) and protect the individual information (12). As the layer (14), for example, a polyurethane acrylic resin, a polyamide resin, a nitrocellulose resin added with 5% or less of silicon or wax (polyethylene wax, etc.) as an additive is partially applied by screen printing, gravure printing, or the like. can get.

  The scratch concealment (20) is formed to a thickness of 5 to 10 μm by screen printing, gravure printing, or flexographic printing using an anilox roll using scratch ink. The composition is, for example, 15 to 25 parts by weight of aluminum powder imparting concealment, 15 to 25 parts by weight of coloring pigments including extender pigments such as alumina white, and synthetic rubber resin 15 such as SBR and NBR having cohesive failure (nodule) ~ 25 parts by weight, 35 to 45 parts by weight of an aromatic hydrocarbon solvent such as toluene, xylene, methyl isobutyl ketone and 5 to 15 parts by weight of an auxiliary agent such as an antifoaming agent, and screen printing ink or gravure printing ink Or it is set as the ink for flexographic printing.

It is a side schematic diagram showing one embodiment of a scratch card peeling device of the present invention. It is the side schematic diagram which shows other one Embodiment of the scratch card peeling apparatus of this invention. It is the side schematic diagram showing one embodiment of the shape of the angle etc. of the blade which constitutes the scratch card peeling device of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the shape of a cutting edge of a cutter constituting the scratch card peeling apparatus of the present invention, (a) is a schematic side view showing roundness, and (b) is a schematic side view showing blunting treatment. FIG. It is the side schematic diagram which shows one Embodiment provided with the soft brush roller in the scratch card peeling apparatus of this invention. The form of the effect at the time of providing the soft brush roller in the scratch card peeling apparatus of this invention is shown, (a), (b), (c) is the side schematic diagram which shows the process. It is the side schematic diagram which shows one example provided with the falling stop mechanism of the cutter in the scratch card peeling apparatus of this invention. It is the side schematic diagram which shows the form of the effect when the tool post which comprises the scratch card peeling apparatus of this invention is a roll-shaped tool post. It is the side schematic diagram which shows other one Embodiment of the shape of the angle etc. of the cutter which comprises the scratch card peeling apparatus of this invention. Ru Oh an explanatory view showing an example of a scratch card in sectional side view used for scratch card peeling device of the present invention.

2 ... Scratch card 10 ... Base sheet 12 ... Individual information 14 ... Easy peeling layer 20 ... Scratch concealing layer 22 ... Peeling piece 22a ... Peeling piece remaining residue 22c ... Peeling piece residue 30 ... Cutlery 30a ··· Projection 33 ··· Fixing portion 35 · · · Spring 40 · · · Turret with flat top surface 42 · · · Roll-shaped tool post 47 · · · Doctor blade for tool post 50 · · · Conveyor roller 51 ··· Belt 52 ····················································································· Scratch card thickness Rotation direction of the table R ...... Roundness of the blade edge W ...... Dampening width a… Blade angle of the blade b… Elevation angle of the blade c… Clear angle of the blade

Claims (5)

In a scratch card peeling apparatus that sandwiches a scratch card having a scratch concealment layer between a cutter and a tool rest and pulls and conveys the scratch concealment layer by conveying means, the blade angle of the cutter is 50 to 70. °, elevation angle is 10~20 °, Ri range der clearance angle is 10~20 °,
A scratch card peeling device, characterized in that a soft brush roller is provided that rotates in a direction opposite to the running direction of the scratch card and is arranged so that an outer peripheral edge contacts the cutter and the tool rest .   2. The scratch card peeling apparatus according to claim 1, wherein the cutting edge of the blade is rounded to R3 to 20 [mu] m or blunted to 5 to 30 [mu] m in width. The scratch card peeling device according to claim 1 or 2 , wherein a doctor blade is provided at a lower part of the rotating soft brush roller so as to bite into the tip of the brush. In the scratch card peeling device, the scratch card is sandwiched between a tool and a tool rest, pulled by a conveying means, and peeled off the scratch masking layer. A doctor blade is provided on the outer periphery of the roller-shaped tool post, the blade angle of the tool is 50 to 70 °, the elevation angle is 10 to 20 °, and the clearance angle is 10 to 20 A scratch card peeling device characterized by having a mechanism that is stopped at a position slightly narrower than the thickness of the scratch card to be conveyed from the roller-shaped blade base surface on which the blade edge of the blade rotates. . 5. The scratch card peeling apparatus according to claim 4, wherein a cutting edge of the blade is rounded to R3 to 20 [mu] m or blunted to 5 to 30 [mu] m.

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