KR20010009165A - Hot roll printer - Google Patents

Abstract

PURPOSE: A hot roll printer is provided to continuously print without discontinuation of a plant, to improve the working efficiency and to prevent the damage of the parts, thereby improving the productivity. CONSTITUTION: A hot roll printer includes a main body(100) of the printer in which a base cover(120) is coupled with a base plate(110), solid ink parts(140) rotatably coupled with the main body and mounting a solid ink roll(142), a type holder part(150) adjacently installed in the lower part of the solid ink part and having a ring-shaped type holder(154) coupled with the outer end part of a shaft, so that the type installed in the outer peripheral surface of the type holder contacts with the solid ink roll with rotating, heater rods(300,310) and preheating devices having temperature sensors(320,330) installed in preheating plates(270,280) to preheat the solid ink parts and the type holder part, wherein the hot roll printer includes an installation part(130) having an arc shaped curved plane(132) and an installation plane(134) formed at a right angle to the curved plane in the bottom part of the base cover, and a rotary solid ink device(200) installed in the upper part of the installation part to be movably by a rotating element(210) and selectively having the plurality of solid ink parts adjacent to the type holder part and the preheating devices heating the solid ink parts.

Description

Hot Roll Printer {HOT ROLL PRINTER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot roll printer, and more particularly, to a hot roll printer in which a solid ink roll absorbing and solidifying ink is attached to a ring-shaped absorbent material so as to print characters or figures on a tape or a wrapping paper.

In general, a hot roll printer is an industrial printer which prints the manufacturing date, expiration date, etc. by a ring-shaped solid ink roll on a tape or wrapping paper, and is called a solid printer because it uses solid ink. Or a touch dry coder, a hot roll coder, or the like.

1 is an exploded perspective view showing a conventional hot roll printer. As shown therein, the hot roll printer is coupled to the base plate 12 and the base cover 14 to have a substantially hexahedral shape. And a solid ink portion 20 having a solid ink roll 24 on which a sponge is absorbed and solidified on a sponge ring on a rotatably coupled shaft 22 of the printer body 10; A ring-shaped letter holder 34 is coupled to an outer end of the shaft 32 which is installed near the ink unit 20 and rotated by a driving motor (not shown), and the letter holder 34 is rotated. A letter holder part 30 in which a letter type 36 provided in an outer circumferential groove is in contact with the solid ink roll 24, and a preheating device 40 for preheating the solid ink part 20 and the letter holder part 30. It consists of.

In addition, the preheating device 40 is formed of a square plate having a groove portion having an approximately "8" shape, the lower side of which is opened so that the solid ink portion 20 and the letter holder portion 30 are wrapped to form the printer body ( 10, a preheating plate 42 installed in the interior, a heater rod 44 inserted through the upper surface so that the preheating plate 42 is heated, and a preheating plate 42 heated by the heater rod 44. It consists of a temperature sensor 46 is installed to detect and control the heating temperature of.

The hot roll printer configured as described above has a solid ink of the solid ink roll 24 liquefied when the solid ink portion 20 is preheated by the preheating device 40 as shown in FIG. 2. When the letter holder 34 is rotated by the drive motor in the state where the solid ink is liquefied as described above, the type 36 bonded to the outer circumferential surface of the solid ink roll 24 comes into contact with the outer circumferential surface of the solid ink roll 24, thereby causing ink to be printed on the letter 36. It is buried and then printed on wrapping paper or tape.

In the drawing, reference numeral 26 denotes a shaft mounted with the solid ink roll 24.

(22) is a mounting handle for coupling to, 38 is a coupling ring for attaching the type holder 34 to the shaft 32, 39 is a holder handle, 50 is a printed matter (wrapping or tape) It is a roller to convey.

However, the solid ink roll 24 has to be replaced when a predetermined number of prints occurs. At this time, problems such as productivity are lowered due to the need to stop the operation of the automated equipment in the production process, and in particular, the solid ink has a constant temperature ( 120 ℃-140 ℃) about 15 minutes to heat the ink liquefied to print a state that can be printed because the replacement of the solid ink had a problem of stopping the production equipment for a long time.

Then, when the operation of the hot roll printer is stopped and the contact between the type 36 and the solid ink roll 24 is maintained for a predetermined time, the type 36 is deeply buried to damage the solid ink roll 24 of the sponge material. Or a large amount of ink in the type 36, causing a printing failure when re-starting, and in severe cases, the type 36 and the solid ink roll 24 are attached to each other. Solid ink

There was a problem such that the 24 should be separated.

The present invention is to solve the above problems, the object of the present invention is to provide a hot roll printer capable of continuous printing without interruption of the production equipment, improved workability and preventing damage to parts, thereby improving productivity I would like to.

In order to achieve the above object, the present invention provides a printer body having a base cover coupled to a base plate, a solid ink portion rotatably coupled to the printer body, and equipped with a solid ink roll, and close to a lower side of the solid ink portion. A letter-shaped holder in which a ring-shaped letter holder is coupled to an outer end of the shaft which is installed and rotated by a drive motor, and the letter-shaped holder is brought into contact with the solid ink roll while the letter type installed on the outer circumferential surface of the letter holder rotates; In a hot roll printer having a preheating device provided with a heater rod and a temperature sensor on a preheating plate so that the holder portion is preheated to a predetermined temperature, an arc-shaped curved surface is formed at the bottom of the printer body base cover corresponding to the upper side of the letter holder portion. An installation portion formed to be recessed downwardly so that an installation surface formed at a right angle with the curved surface is formed; The rotary solid ink device comprising a plurality of solid ink parts and a preheating device for heating the solid ink parts are installed and supported rotatably from side to side by a rotating means on the upper part of the installation portion and selectively located close to the letter holder portion. Characterized in that made up.

In addition, the rotary solid ink device includes a case comprising a fixed plate, a cover having a plurality of ink installation grooves coupled to the fixed plate so as to form a space therein, and having a plurality of ink installation grooves opened downwardly in a "∩" shape on the front surface, and the case. The guide unit is formed on the back of the case and the printer body to guide the left and right rotation of the rotation and at the same time fixed in the rotated state, the solid ink on the inner surface of the fixing plate corresponding to the inside of each ink installation groove The first example is installed between the fixing plate and the cover so that the first ink support shaft and the second ink support shaft, which are rotatably installed to be coupled to each other, and the respective solid ink portions provided on the first and second ink support shafts are wrapped and preheated. Separating plate made of a non-thermally conductive material provided between the hot plate and the second preheating plate, the contact surface so that the first preheating plate and the second preheating plate are isolated from each other, and the first preheating First and second heater rods respectively installed therein to heat the plate and the second preheating plate, and a power source installed to sense heating temperatures of the first and second preheating plates and applied to the first and second heater rods. It is configured to include the first and second temperature sensors to maintain a constant temperature by intermittent.

1 is an exploded perspective view showing a conventional hot roll printer,

2 is a front view showing a state of use of a conventional hot roll printer;

3 is an exploded perspective view showing a hot roll printer according to a first embodiment of the present invention;

4 is an operating state diagram of a hot roll printer according to the first embodiment of the present invention;

5 is an exploded perspective view showing a hot roll printer according to a second embodiment of the present invention;

6 is an operating state diagram of a hot roll printer according to a second embodiment of the present invention;

7 is a schematic block diagram of a hot roll printer according to a second embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: printer body, 110: base plate,

120: base cover, 130: mounting portion,

140: solid ink portion, 142: solid ink roll,

150: type holder, 154: type holder,

200: rotary solid ink device, 210: rotating means,

230: case, 240: guide means,

250: first ink support shaft, 260: second ink support shaft,

270: the first preheat plate, 280: the second preheat plate,

290: isolation plate, 300: the first heater rod,

310: second heater rod, 320: first temperature sensor,

330: second temperature sensor, 400: input means,

410: sensing unit, 420: driving means control unit,

430: switch, 500: driving means,

600: heater control unit.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

3 is an exploded perspective view showing a hot roll printer according to a first embodiment of the present invention, and FIG. 4 is an operation state diagram of the hot roll printer according to the first embodiment of the present invention.

As shown in the accompanying drawings, a hot roll printer according to the present invention includes a printer body 100 having a base cover 120 coupled to a base plate 110 formed of a substantially rectangular plate-like member, and the printer body 100. Rotatably coupled to solid ink

A ring-shaped letter holder at the outer end of the solid ink unit 140, to which the 142 is mounted, and the shaft 152 which is installed in the lower side of the solid ink unit 142 and rotated by a driving motor (not shown).

A letter holder portion 150 and a solid ink portion 140, which are coupled to each other so that the letter 156 is rotated and the letter 156 installed on the outer circumferential surface of the letter holder 154 is in contact with the solid ink roll 142. In a structure in which a preheating device composed of a heater rod and a temperature sensor is provided on a preheating plate such that the letter holder part 150 is preheated to a predetermined temperature, the printer body 100 corresponding to an upper side of the letter holder part 150 is provided. An installation portion 130 recessed downwardly so that an arcuate curved surface 132 is formed at the bottom of the cover 120 and an installation surface 134 perpendicular to the curved surface 132 is formed; The plurality of solid ink portions 140 and the solid ink portions 140 are rotatably installed to the left and right by the rotating means 210 at an upper portion of the 130 and are selectively located close to the letter holder portion 150 therein. Rotary solid ink device 200 is configured to preheat device for heating 140 is included It is done.

The rotating means 210 is a fixed plate of the rotary solid ink device 200 to be described later

(232) a rotating shaft 212 protruding from the top of the rear surface, and the rotating shaft fixing member 214 is coupled to the base plate 110 opposed to the rotating shaft 212 is rotatably coupled, the bearing is installed therein .

The rotary solid ink device 200 is coupled to the fixed plate 232 and the fixed plate 232 formed of a hemispherical plate-shaped member and formed to have a space therein and a plurality of openings downwardly in a "∩" shape on the front surface thereof. The case 230 consisting of a cover 234 having an ink installation groove 234a of the case 230, and guides the left and right rotation of the case 230, and at the same time the fixed position of the case 230 is fixed in the rotated state Guide means 240 formed on the back and the printer body 100, and the solid ink portion 140 can be rotated to be coupled to the inner surface of the fixing plate 232 corresponding to the inside of each of the ink installation grooves (234a) The first ink support shaft 250 and the second ink support shaft 260 and the solid ink portions 140 installed on the first and second ink support shafts 250 and 260 are wrapped and preheated. A first preheating plate 270 and a second preheating plate 280 installed between the fixing plate 232 and the cover 234, and The first preheating plate 270 and the second preheating plate 270 and the second preheating plate 280 is provided between the contact plate to the non-thermal conductive material is installed between the contact surface is isolated from each other, while the first preheating plate 270 and the second preheating plate The heating temperature of the first and second heater rods 300 and 310, and the first preheating plate 270 and the second preheating plate 280, which are respectively installed therein so as to heat the 280, is installed. The first and second temperature sensors 320 and 330 are configured to maintain a constant temperature by intermittent power applied to the first and second heater rods 300 and 310.

In addition, the guide means 240 is provided on the guide cover 242 protruding from the center of the rear surface of the fixing plate 232 and the base cover 120 mounting surface 134 to guide the left and right movement of the guide protrusion 242. An inner surface of the base plate 110 corresponding to both ends of the guide groove 244 so that the position of the guide groove 244 and the guide protrusion 242 is moved to the left and right in the state that the guide hole 242 is drilled in the Consisting of a pair of elastic fixing piece 246 that is installed opposite, the elastic fixing piece 246 is fastened on the base plate 110 by a fastening member and the opening so that the guide protrusion 242 is inserted into the front end thereof. Is formed and the hook 246a is elastically repelled so that the departure is prevented in the inserted state is formed.

In addition, the formation angle of the guide groove 244 is formed at the same angle as the angle between the first and second ink support shafts 250 and 260 around the rotation shaft 212.

The first and second ink support shafts 250 and 260 are rotatably coupled by support members 252 and 262 in which bearings are embedded on the fixed plate 232, and the first and second preheating plates. Reference numerals 270 and 280 are formed in the shape of a disc divided into approximately four minutes, and the installation grooves 272 and 282 corresponding to the ink installation grooves 234a are formed therethrough, and the first and second preheating plates 270 ( 280 is spaced apart from the fixed plate 232 by a plurality of support pieces 340 made of a non-thermal conductive material at regular intervals.

In addition, by installing a handle 350 of a predetermined shape on the front surface of the cover 234 of the case 230 may be configured to easily apply an external force for the left and right movement of the rotary solid ink device 200.

On the other hand, the rotary solid ink device 200 shown in the configuration of the present invention is a structure that can be installed two solid ink rolls 142, but if necessary to be configured to be modified to be arranged in two or more within the scope of the present invention. The reference numeral 160 is a holder preheating plate for preheating the letter holder portion 150, and the holder preheating plate 160 is also preferably provided with a heater rod and a temperature sensor for heating to a constant temperature. The device is a device for liquefying a solid ink, and in the present invention, only a preheating device (first and second preheating plates) provided for preheating the solid ink unit 140 can be omitted.

The operation according to the first embodiment of the present invention as described above is as follows.

The hot roll printer configured as described above is installed on the production line of the product so that the solid ink roll 142 of the solid ink unit 140 coupled to the first ink support shaft 250 is positioned to correspond to the slider hole 154. When the first preheating plate 270 is heated by a predetermined time (about 15 minutes) by the first heater rod 300 and the first temperature sensor 320 in a state of reaching a predetermined temperature (120 ° C-140 ° C) The ink in the ink roll 142 is liquefied to make it possible to print.

In this state, if the drive motor is driven by the operation of the production line, the type holder

Since the letter 156 is rotated and the letter 156 coupled to the outer circumferential surface is in contact with the outer circumferential surface of the solid ink roll 142, the letter 156 is ink-embedded and then prints a letter or symbol on a wrapping paper or tape. .

If the printing process continues for a long time, all the ink contained in the solid ink roll 142 is used, and thus, at this point (approximately 15 minutes to 20 minutes before the replacement time of the solid ink roll), the second preheating plate 280 is removed. When the power is supplied to the second heater rod 310 to preheat and the replacement time is reached, the second ink support shaft is rotated by pressing the rotary solid ink device 200 counterclockwise without stopping the operation of the production line. Since the solid ink roll 142 coupled to 260 is located close to the letter holder 154, the printing operation as described above can be continuously performed.

And, when the rotary solid ink device 200 is described in more detail the process, when an external force is applied to the case 230, the guide protrusion 242 that is inserted and fixed to one side fixing piece 246 is separated and the rotary solid The ink device 200 is rotated in the clockwise direction with respect to the rotating means 210, wherein the guide protrusion 242 is slid through the guide groove 244 to reach the end point to the other fixing piece 246 The solid ink part 140 inserted and elastically supported and fixed to the second ink support shaft 260 is positioned at an upper side of the letter holder part 150.

Meanwhile, after moving the solid ink unit 140 as described above, the solid ink roll 142 is removed from the solid ink unit 140 inserted into the first ink support shaft 250 to prepare a new ink.

In this state, when the solid ink roll 142 is replaced again, the rotary solid ink device 200 may be repeatedly moved in the opposite direction by the above-described operation.

5 is an exploded perspective view showing a hot roll printer according to a second embodiment of the present invention, FIG. 6 is an operating state diagram of a hot roll printer according to a second embodiment of the present invention, and FIG. As a schematic block diagram of a hot roll printer according to the second embodiment, the same parts as those in the above-described first embodiment will be described with the same reference numerals.

5 to 7, the hot roll printer according to the second embodiment of the present invention has a power for rotating the rotary solid ink device from side to side, not by manual operation, but the rotary solid ink device ( The solid ink part 140 is moved closer to the letter holder part 150 while the 200 is rotated left and right by the driving means 500 operated by the control signal of the predetermined input means 400.

The driving means 500 is installed on the printer body 100 so as to face the rear side of the rotary solid ink device 200 and is driven in a forward and reverse direction, and at the shaft tip of the drive motor 510. Drive gear 520 to be coupled to the drive gear 520 is formed in an arc shape on the back of the rotary solid ink device 200 and the rack 532 is cut into the gear portion 530 on the upper surface As configured, the gear unit 530 may be formed to protrude or cut in an arc shape on the rear surface of the fixing plate 232.

The input means 400 is a sensing unit 410 for detecting the rotational speed of the letter holder 154 and the rotational speed of the letter holder 154 by receiving the detection signal of the detection unit 410 solid ink roll 142 When the number of times corresponding to the exchange cycle of the) is reached, the driving means control unit 420 for applying a driving signal to the driving means 500.

The sensing unit 410 forms a sensing protrusion (not shown) on the outer circumferential surface of the letter holder 154 or the shaft 152 to which the letter holder is coupled, and the printer body (not shown) to sense the sensing protrusion. 100) may be configured to detect the number of revolutions of the typeholder by installing a sensor or the like, it may be configured in various forms within the scope of the present invention.

In addition, when the number of revolutions of the letter holder 154 detected by the sensing unit 410 reaches a predetermined number of times, a heater rod (second heater rod) of the preheating plate (second preheating plate 280 in FIG. 7) is waiting. 310) and the driving means by the driving means control unit 420

An input signal is applied to the heater 500 so that the rotary solid ink device 200 is rotated and at the same time the heater control unit 600 controls to cut off the power to the heater rod of the preheating plate being used (first preheating plate 270 in FIG. 7). ) Is an additional configuration.

On the other hand, the input means 400 may be composed of a switch unit 430 for applying a switching signal to drive the driving means 500.

The operation according to the second embodiment of the present invention as described above is as follows.

The action according to the second embodiment of the present invention is a sensing unit 410 that detects the number of revolutions of the letter holder 154 while performing a printing operation while the letter holder 154 is rotated when the drive motor is driven in conjunction with the production line. When the number of revolutions of the letter holder 154 corresponding to a certain point (about 15 minutes ahead of time) earlier than the replacement time of the solid ink roll 142 is detected by the heater controller 600, the heater controller 600 The second heater rod 310 supplies power to heat the second preheating plate 280 to a constant temperature.

When the printing operation continues in this state and the rotation speed of the letter holder 154 corresponding to the replacement timing of the solid ink roll 142 is detected by the driving means control unit 420 from the sensing unit 410, the driving means control unit ( 420 applies a driving signal to the driving means 500. Accordingly, the rotary solid ink device 200 is rotated counterclockwise so that the solid ink roll 142 coupled to the second ink supporting shaft 260 is provided. Positioned in the letter holder 154 it is possible to continue the printing operation.

In addition, the driving means control unit 420 applies a driving signal to the driving means 500 and at the same time applies an input signal to the heater control unit 600 to the first heater rod 300 by the heater control unit 600. By cutting off the applied power, the first preheating plate 270 is not heated.

Meanwhile, after moving the solid ink unit 140 as described above, the solid ink roll 142 is removed from the solid ink unit 140 inserted into the first ink support shaft 250 to prepare a new ink.

When the printing job is performed in such a state and the solid ink roll 142 is replaced again, the rotary solid ink device 200 may be repeatedly moved in the reverse direction by the above-described operation.

According to the hot roll printer according to the present invention as described above, since a plurality of solid ink portions which can be selectively used are configured, printing can be performed without interruption of the equipment in the production process, and in particular, according to the second embodiment As a solid ink part can be replaced, the workability is improved and the damage of the parts is prevented, and the productivity is very useful.

Claims (8)

A printer body having a base cover coupled to a base plate, a solid ink portion rotatably coupled to the printer body and mounted with a solid ink roll, and an outer end portion of a shaft installed near the bottom of the solid ink portion and pivoted by a driving motor; A letter holder portion having a ring-shaped letter holder coupled to the letter holder on which the outer circumferential surface of the letter holder is rotated to come into contact with the solid ink roll, and a heater on a preheating plate such that the solid ink portion and letter holder portion are preheated to a predetermined temperature. In a hot roll printer equipped with a preheating device equipped with a rod, a temperature sensor, An arc-shaped curved surface 132 is formed at the bottom of the printer body 100 and the base cover 110 corresponding to the upper side of the letter holder 150, and an installation surface perpendicular to the curved surface 132 ( An installation portion 130 recessed downwardly so that the 134 is formed; A plurality of solid ink parts 140 and the solids are installed and supported rotatably from side to side by the rotating means 210 on the upper portion of the installation portion 130 and selectively positioned within the letter holder portion 150 therein. Hot-roll printer, characterized in that the rotary solid ink device 200 is configured to include a preheating device for heating the ink portion 140. The method of claim 1, The rotary solid ink device 200 includes a fixed plate 232 and a plurality of ink installation grooves 234a which are coupled to the fixed plate 232 so as to form a space therein, and which are opened downward in a “∩” shape on the front surface. A case 230 composed of a cover 234 having a; Guide means (240) formed on the rear surface of the case (230) and the printer body (100) to guide the left and right rotations of the case (230) and to fix the position constantly in the rotated state; A first ink support shaft 250 and a second ink support shaft 250 rotatably installed on the inner surface of the fixing plate 232 corresponding to the inside of each of the ink installation grooves 234a, so that the solid ink unit 140 is coupled; 260); The first preheating plate 270 and the second preheating plate installed between the fixing plate 232 and the cover 234 so that each solid ink part 140 installed on the first and second ink supporting shafts 250 and 260 are wrapped and preheated. 280; A separator 290 of a non-thermal conductive material installed between the contact surfaces such that the first preheating plate 270 and the second preheating plate 280 are isolated from each other; First and second heater rods 300 and 310 installed therein so that the first preheating plate 270 and the second preheating plate 280 are heated; The first preheating plate 270 and the second preheating plate 280 are installed so that the heating temperature is sensed to interrupt the power applied to the first and second heater rods 300 and 310 to maintain a constant temperature; Hot roll printer, characterized in that configured to include two temperature sensors (320) (330). The method of claim 2, The guide means 240 is a protrusion projecting on the back of the fixing plate 232 242; Base cover 120 mounting surface to guide the left and right movement of the guide protrusion 242 An arc-shaped guide groove 244 bored on 134; A pair of elastic fixing pieces 246 are installed to face the inner surface of the base plate 110 corresponding to both ends of the guide groove 244 so that the position is fixed in the state in which the guide protrusion 242 is moved left and right. Hot roll printer, characterized in that consisting of. The method of claim 1, The rotary solid ink device 200 is rotated from side to side by a driving means 500 operated by an input signal of a predetermined input means 400 while the solid ink portion 140 is a letter holder portion. Hot roll printer, characterized in that to be moved close to 150. The method of claim 4, wherein The driving means 500 is a drive motor 510 which is installed on the printer body 100 and is driven forward and backward; A drive gear 520 coupled to the shaft end of the drive motor 510; Hot roll printer, characterized in that formed on the back of the rotary solid ink device 200 to be meshed with the drive gear (520) and the gear portion 530 of the rack 532 is cut on the upper surface. The method of claim 4, wherein The input means 400 includes a sensing unit 410 for detecting the rotation speed of the letter holder 154; Drive means for applying a drive signal to the drive means 500 when the number of rotations of the letter holder 154 reaches the number of times corresponding to the replacement cycle of the solid ink roll 142 by receiving the detection signal of the detection unit 410 Hot roll printer, characterized in that configured to include a control unit (420). The method of claim 4, wherein The input means 400 is a hot roll printer, characterized in that consisting of a switch unit 430 for applying a switching signal to drive the driving means (500). The method of claim 6, When the number of revolutions of the letter holder 154 detected by the sensing unit 410 reaches a predetermined number of times, power is supplied to the heater rod of the preheating plate, and the driving means 500 is controlled by the driving means control unit 420. ) Is a hot roll printer, characterized in that the heater control unit (600) is further configured to control the power to be cut off at the same time the input signal is applied to the heater rod of the preheating plate in use.