KR20200009729A - Cylindrical component solid printing apparatus - Google Patents

Abstract

The present invention relates to an apparatus for printing a cylindrical body three-dimensionally. To achieve the purpose, according to the present invention, the apparatus for printing a cylindrical body three-dimensionally, which transfers a cylindrical body (CB) supplied from a cylindrical body supplier installed on one side of a printer body through a cylindrical body transfer device and sprays thermosetting printing ink to the surface of the transferred cylindrical body (CB) so that a design is three-dimensionally printed. The apparatus includes: a printing support frame combined with a printing support part of the printer body; a printing guide installed in the printing support frame; a printing head installed on the printing guide to be able to slide back and forth, and including a nozzle and a UV lamp; a printing ink supply part installed to supply printing ink to the printing head; and a cylindrical body pickup driving part operating the cylindrical body (CB) by picking up the same. Therefore, as the surface of an injection-molded cylindrical container is three-dimensionally printed, a user can feel the texture when touching the surface of the cylindrical body, and product information can be quickly delivered through the texture.

Description

Cylindrical component solid printing apparatus

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical three-dimensional printing apparatus, and more particularly, three-dimensional printing on the surface of a cylindrical body by allowing the curable ink to be repeatedly sprayed and cured onto a cylindrical body injected and molded to have a cylindrical shape. A cylindrical three-dimensional printing apparatus that makes it possible.

In general, the printer is intended to be a flat printing, there was a problem that can not be printed on the surface having a cylindrical shape.

In order to solve this problem, a conventional printer aid for printing cylindrical objects has been proposed, and the proposed printer aid can print the entire circumference of the cylindrical object, but the printing cannot be made in three dimensions. there was.

In addition, although a printer for printing a three-dimensional material has been proposed, the proposed printer allows the head unit to move in a state where the three-dimensional material tray is fixed so that the printing area can be easily expanded, and the height of the tray can be adjusted with a simple structure. By using the three-dimensional material by using, but this also had a problem that the printing on the surface of the cylindrical object can not be made three-dimensionally.

Utility Model Registration No. 20-0284766 (2002.07.25)

An object of the present invention for solving the above problems is to enable a three-dimensional design printing on the surface of the injection molded and molded cylindrical container to make the user feel the touch when the surface, the product information through the touch quickly It is to provide a cylindrical three-dimensional printing apparatus, which can be delivered easily.

Cylindrical three-dimensional printing apparatus 400 according to an embodiment of the present invention for achieving the above object, the cylindrical body (CB) supplied from the cylindrical body supply device 200 provided on one side of the printer body 100 A cylindrical three-dimensional printing apparatus 400 which is conveyed by the cylindrical conveying apparatus 300 and sprays a curable printing ink on the surface of the conveyed cylindrical body CB so that the design is three-dimensionally printed. The printer body 100 A print support frame 410 coupled to the print support 160 of the support frame 160; A printing guide 420 provided on the printing support frame 410; A print head 430 which is reciprocated in the print guide 420 and provided with a nozzle 431 and a UV lamp 432; A print ink supply unit 440 provided to supply a print ink to the print head 430; And it may include a cylindrical pickup driving unit 450 for picking up and driving the cylindrical body (CB).

Here, the print support frame 410 is to have a channel shape of the lower opening, the printing guide 420 may include a guide rod of the upper and lower rows.

In addition, the cylindrical pickup driving unit 450 includes a pickup driving frame 451 coupled to the bottom of the printer body 100; A pickup driving hole 452 formed in the pickup driving frame 451; A pickup driving guide hole 353 provided perpendicular to both sides of the pickup driving hole 452; A pickup driving body 454 inserted into the pickup driving hole 452; Pickup driving guide pins 455 protruding from both upper and lower sides of the pickup driver 454 so as to be inserted into the pickup driver guide hole 453; It may include a pickup operation unit 456 provided between the lower portion of the pickup driving hole 452 and the lower portion of the pickup driving body 454.

In addition, the pickup driving head 457 is coupled to the pickup driving body 454, and the pickup driving head 457 includes a pickup driving motor 457-1; It may include a disk-type pressing member 457-3 coupled to the pickup driving motor shaft 457-2 of the pickup driving motor 457-1.

Also, the pickup driving guide hole 453 may include a pickup releasing part 453-1 formed vertically outward at a lower portion of the pickup driving hole 452; A pickup pressurizing unit 453-2 formed to be inclined to the upper side on the upper portion of the pickup release unit 453-1; And a pickup holding part 453-3 vertically formed on the upper portion of the pickup pressing unit 453-2 to the inner side.

The pickup operation unit 456 may include a solenoid cylinder and a rod, and the pickup driving motor 457-1 may include a step motor.

According to the present invention, a container which is injected and molded to have a cylindrical shape is transferred by a cylindrical conveying device, and then curable ink is repeatedly sprayed by a cylindrical three-dimensional printing device while the cylindrical body is lifted to a predetermined height to be laminated and cured. By making it possible to achieve the effect of three-dimensional design printing on the surface of the cylindrical body.

In addition, this has the effect of increasing the productivity.

In addition, through this, the user can obtain the effect of recognizing the information of the product through the touch while touching the surface of the container in addition to vision.

In addition, by allowing the information of the product to be quickly transmitted through the touch, socially disadvantaged people, such as the visually impaired, can directly touch the container (product) and easily grasp the characteristics thereof.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a perspective view of a cylindrical printing system to which a three-dimensional printing apparatus according to the present invention is applied.
2 is an exploded perspective view of a cylindrical printing printer system to which the present invention is applied.
Fig. 3 is a view showing a longitudinal section of the cylindrical printing printer system to which the present invention is applied.
4 is a perspective view and a cross-sectional view showing a cylindrical three-dimensional printing apparatus according to an embodiment of the present invention.
5 is a perspective view and a cross-sectional view showing a three-dimensional design printing on the cylindrical surface by the cylindrical three-dimensional printing apparatus according to the present invention.
6 is a perspective view showing a state in which a three-dimensional design printing is made on the surface of a cylindrical body by the printer system for printing a cylindrical body to which the present invention is applied and discharged.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and like reference numerals designate like elements throughout the specification.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with another element in between. . In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated.

When a portion is referred to as being "on top" of another portion, it may be directly on top of another portion or may be accompanied by another portion in between. In contrast, when a part is mentioned as "directly above" another part, no other part is involved between them.

Terms such as first, second, and third are used to describe various parts, components, regions, layers and / or sections, but are not limited to these. These terms are only used to distinguish one part, component, region, layer or section from another part, component, region, layer or section. Accordingly, the first portion, component, region, layer or section described below may be referred to as the second portion, component, region, layer or section without departing from the scope of the invention.

The terminology used herein is for reference only to specific embodiments and is not intended to limit the invention. As used herein, the singular forms “a,” “an,” and “the” include plural forms as well, unless the phrases clearly indicate the opposite. As used herein, the term "comprising" embodies a particular property, region, integer, step, operation, element, and / or component, and the presence of another property, region, integer, step, operation, element, and / or component, or It does not exclude the addition.

Terms indicating relative space such as "below" and "above" may be used to more easily explain the relationship of one part to another part shown in the drawings. These terms are intended to include other meanings or operations of the device in use with the meanings intended in the figures. For example, if the device in the figure is reversed, any parts described as being "below" of the other parts are described as being "above" the other parts. Thus, the exemplary term "below" includes both up and down directions. The device can be rotated 90 degrees or at other angles, the terms representing relative space being interpreted accordingly.

Although not defined otherwise, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. Commonly defined terms used are additionally interpreted to have a meaning consistent with the related technical literature and the presently disclosed contents, and are not interpreted in an ideal or very formal sense unless defined.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

1 is a view showing a perspective view of a cylindrical printing printer system to which a cylindrical three-dimensional printing apparatus according to the present invention is applied, FIG. 2 is an exploded perspective view of a cylindrical printing printer system to which the present invention is applied, and FIG. It is a longitudinal cross-sectional view of the printer system for cylindrical printing, and FIG. 4 is a perspective view and a sectional view showing the cylindrical three-dimensional printing apparatus according to the embodiment of the present invention.

Cylindrical printing printer system to which the present invention is applied is to enable a three-dimensional design printing on the surface of the cylindrical container so that the information of the product can be transmitted using the sense of touch as well as visual.

As shown in Figure 1 to Figure 4, the cylindrical printing printer system to which the present invention is applied, the printer body 100, the cylindrical feeder 200, the cylindrical feeder 300, the cylindrical three-dimensional printing device 400 And it may include a cylindrical discharge device (500).

The printer body 100 is a cylinder for printing while the cylindrical supply device 200, the cylindrical conveying device 300, the cylindrical three-dimensional printing device 400 and the cylindrical discharge device 500 is stably supported. The supply and stoppage and discharge of the sieve CB may be configured to be sequentially performed.

The printer body 100 is provided with a first motor support portion 120 on the upper side of the bottom plate 110 having a support leg 111, the bottom plate 110 to correspond to the first motor support portion 120. The first driven pulley support 130 is provided on the other side of the upper part of the first motor 310 and the first driving pulley 320 of the cylindrical transfer device 300 to be described later stably supported the first driven pulley ( 340 may be rotatably coupled.

The second motor support part 140 is provided on the bottom plate 110 so as to be spaced apart from the first driven pulley support part 130 at a predetermined interval outside, and the bottom plate 110 corresponds to the second motor support part 140. The second driven pulley 540 is provided with a second driven pulley support part 150 at the top thereof to stably support the second motor 510 and the second driving pulley 520 of the cylindrical body discharging device 500 described later. Can be rotatably coupled.

The print support 160 may be provided at a spaced inward interval from the first driven pulley support 130 toward the first motor support 120.

Cylindrical supply device 200 is provided on one side of the printer body 100 so that the cylindrical body (CB) is sequentially transported and supplied toward the cylindrical conveying device 300, the cylindrical body (CB) from the outside It can be configured to be sequentially put in and stacked inside, and to be supplied one by one in a stacked state.

Cylindrical supply device 200 may be provided so that the duct-type supply guide 210 having an empty form inside one side of the printer body 100 upright.

The duct-type supply guide 210 is formed to have a rectangular rim shape in order to allow the cylindrical body CB to be inserted into the inside of the supply guide body 211 in a horizontal form, and the upper portion of the supply guide body 211. Sieve inlet 212 may be formed to have a form that is expanded.

The supply guide body 211 is provided to have a cylindrical cylinder outlet 213 in the open form at the bottom, the cylindrical outlet 213 has a horizontal shape on the supply guide body 211, from the bottom to the top or top to bottom Only one cylindrical body (CB) located at the bottom of the plurality of cylindrical bodies (CB) that are inserted and stored so as to be arranged may be discharged to the outside.

To this end, the cylindrical outlet 213 is provided to have a form in which one side right end portion 211 ′ and the other right end portion 211 ″ of the supply guide body 211 are opened, and the other side right end portion 211 ″ is one side. As the height (h) is further opened from the lower portion to the upper portion than the lower end portion 211 ', it may be discharged by the first transfer belt 330 of the cylindrical transfer device 300 to be described later.

Cylindrical conveying device 300 is one side is located in the lower portion of the cylindrical supply device 200, the other side is extended to the lower portion of the cylindrical three-dimensional printing apparatus 400, the cylindrical body supplied from the cylindrical supply device 200 (CB) can be transported.

The cylindrical conveying apparatus 300 may include a first motor 310, a first driving pulley 320, a first conveyance belt 330 and the first driven pulley 340. The first motor 310 may include a step motor and may repeat the rotation driving and the stopping driving at a predetermined angle according to a signal of a controller (not shown). At this time, the rotation drive and the stop drive are required to transfer the cylindrical body CB seated on the first transfer belt 330 to the cylindrical pickup driving unit 450 of the cylindrical three-dimensional printing apparatus 400 of the present invention. Can be matched. The first motor 310 may be stably coupled to the first motor support part 120 provided in the printer body 100.

The first driving pulley 320 may include a slip-free timing pulley as a way to secure an accurate feed amount of the first transfer belt 330 by a length corresponding to the driving amount or rotation amount of the first motor 310. It may be coupled to the first motor shaft 311 of the first motor 310 in an interference fit form.

The first driving pulley 320 may be rotatably coupled to the first driving pulley unit 170 provided to correspond to the first motor support unit 120 to prevent the flow from being generated during the driving process.

The first conveying belt 330 is one side is wound around the first drive pulley 320, the other side is formed to have the form of an endless belt wound around the first driven pulley 340, the first having a curved shape on the outside Since the cylindrical seating grooves 331 are formed to be arranged at regular intervals, the cylindrical body CB supplied from the cylindrical body supplying device 200 may be prevented from flowing in the transfer process while maintaining a constant interval.

The first driven pulley 340 is rotatably coupled to the first driven pulley support 130 provided in the printer body 100 so that the tensile force is applied to the first transfer belt 330 to prevent sagging from occurring. can do. In this case, the first driving pulley 320, the first driven pulley 340, and the first transfer belt 330 may include a timing pulley and a timing belt. This is to prevent the slip from occurring during the driving process.

Cylindrical three-dimensional printing apparatus 400 according to the present invention is a cylindrical body (CB) supplied from the cylindrical body supply apparatus 200 provided on one side of the printer body 100 is transferred by the cylindrical body conveying apparatus 300 In addition, the curable printing ink may be sprayed onto the surface of the transferred cylindrical body CB so that the design is three-dimensionally printed on the cylindrical body.

The sprayed printing ink may be laminated on the surface of the cylindrical body CB using a polyjet method according to a design. This lamination method is such that the UV (ultraviolet) light source of the UV lamp 432 is caused to be sprayed onto the surface of the cylindrical body CB through the nozzle 431 of the print head 430 to be described later. By stacking further by repeating the curing process it can be a three-dimensional design printing. At this time, the process of three-dimensional printing by the printhead 430 is the data of the basic bitmap (vector) and the vector (vector) data changed from the printer driving program to the black and white gradient step of the ink 0 to 100% of the value Three-dimensional shape can be obtained by further laminating at a concentration value.

When a user works on a graphic program such as Photoshop or Illustrator and sends design data to the printer, some parts of the three-dimensional printing method are stacked and some parts are stacked in the printer's driving program. The ink density is automatically calculated by the step of 0 to 100% of the Grayscal of the color, and the amount of ink jetting drops and the repetitive ink thickness of the printhead 430 are calculated. It is possible to calculate the thickness of the solid.

The cylindrical three-dimensional printing apparatus 400 may include a print support frame 410, a print guide 420, a print head 430, a print ink supply unit 440 and a cylindrical pickup driving unit 450.

The print support frame 410 may be coupled to the lower portion of the print support 160 provided in the printer body 100, and the print guide 420 may be provided on the print support frame 410.

The print head 430 is provided on the print guide 420 so as to slide back and forth, so that printing may be performed in the process of moving one line along the axial direction, that is, the longitudinal direction, on the surface of the cylindrical body CB.

A print ink supply unit 440 may be provided at the print head 430 to supply photocurable acrylate resin ink, and UV lamps 432 may be provided at one side or both sides of the nozzle 431 or the supply port through which the ink is discharged. It can be provided so that the curable ink printed on the surface of the cylindrical body (CB) can be cured quickly.

The cylindrical pickup driving unit 450 may be driven by picking up the cylindrical body CB transferred by the first transfer belt 330 to the upper portion. At this time, a program for automatically calculating the position and the number of rotations of the ink droplets according to the diameter calculation of the cylindrical body by automatically calculating the diameter of the cylindrical body (CB), the ink ejection speed, the ejection size, and the ejection position of the print head 430, respectively. By matching the diameter and the design position of the cylindrical body (CB) can be a three-dimensional design is printed.

On the other hand, the smoothness of the cylindrical body (CB) may change the position of the original return again once rotated, and it is difficult to return to the origin of the cylindrical body (CB) during printing due to an error in the smoothness of the injection and molding container. However, at this time, the cylindrical body CB is lifted by the cylindrical pick-up unit 450 to remove the friction coefficient at the lower end, so that the correct rotation speed is automatically calculated without overloading in the process of rotating the cylindrical body CB. 3D printing can be achieved.

The cylindrical pickup driving unit 450 is a pickup drive frame 451, pickup drive hole 452, pickup drive guide hole 353, pickup drive 454, pickup drive guide pin 455, pickup operation portion ( 456 and the pickup driving head 457.

The pickup driving frame 451 is coupled to the lower part so as to stand upright in the printer body 100, and the pickup driving hole 452 is formed at the upper side of the pickup driving frame 451 so that the pickup driving body 454 is reciprocated up and down. can do.

The pick-up driving guide hole 453 is provided perpendicular to both sides of the pick-up driving hole 452, and the pick-up driving body 454 moves from the bottom to the top, and at the same time, the first cylinder of the first transfer belt 330. After moving toward the end of the cylindrical body (CB) seated in the sieve mounting groove 331, the disk-shaped pressing member (457-3) of the pickup driving head 457 described later is pressed to the end of the cylindrical body (CB). The cylindrical body CB is moved upward to be spaced apart from the first cylindrical seating recess 331, and the pickup driving body 454 is moved from the upper side to the lower side, that is, the outer side of the first transfer belt 330. After the cylindrical body CBP having a three-dimensional design printed on the first cylindrical seating recess 331 is mounted, the disc-shaped pressing member 457-3 of the pickup driving head 457 is the end of the cylindrical body CB. Can be spaced apart.

The pickup driving guide hole 453 is formed with a pickup release portion 453-1 having a form perpendicular to the outside of the pickup driving hole 452, and the upper portion of the pickup release guide portion 453-1. The pickup pressing portion 453-2 formed to be inclined may be formed, and the pickup holding portions 453-3 vertically formed on the upper portion of the pickup pressing portion 453-2 may be connected to one.

The pickup driver 454 is inserted into the pickup driver hole 452, and the pickup driver head 457 is coupled to the inside, and the pickup driver guide pin 455 is formed to protrude on both upper and lower sides of the pickup driver 454. ) May be inserted into the pickup driving guide hole 453.

The pickup operation unit 456 is provided between the lower portion of the pickup driving hole 452 and the lower portion of the pickup driving body 454 so that the pickup driving body 454 is placed from the bottom to the top or the top to the bottom under the control of a controller not shown. Can be moved to

The pick-up operation unit 456 may include a solenoid cylinder and a rod, and may use a cylinder and a cylinder rod in addition to this configuration.

The pickup driving head 457 is provided in the pickup driving body 454, and the disk-type crimp coupled to the pickup driving motor 457-1 and the pickup driving motor shaft 457-2 of the pickup driving motor 457-1. As the pickup driving motor shaft 457-2 is rotated under the control of a control unit (not shown) provided by the member 457-3, the print head 430 is reciprocated to move in the axial direction, namely, on the surface of the cylindrical body CB. After printing is made on one line along the longitudinal direction, printing may be continued by moving one line in a direction perpendicular to the cylindrical body CB in the axial direction. At this time, since the pickup driving motor 457-1 is provided as a step motor, the cylindrical body CB is rotated in the correct direction under the control of a controller (not shown), so that precise printing can be performed.

The print support frame 410 has a channel shape of which the lower portion is open, and the print guide 420 may be provided with sufficient strength by providing guide rods having two rows of upper and lower guides.

The cylinder discharging device 500 allows the cylindrical body CBP having a three-dimensionally printed design to be discharged so that printing can be continuously performed on another cylindrical body CB. The second drive pulley 520 is coupled to the second motor shaft 511 of the 510, one side of the second transfer belt 530 is wound around the second drive pulley 520, and the second transfer belt 530. On the other side of the second driven pulley 540 may be provided to be wound.

The second motor support part 140 is provided on the printer body 100, and the second driving pulley 520 is coupled to the second driving pulley support part 180 provided to correspond to the second motor support part 140. The second driven pulley 540 may be rotatably coupled to the second driven pulley support 190 provided in the printer body 100. In this case, the second driving pulley 520, the second driven pulley 540, and the second conveying belt 530 may include a timing pulley and a timing belt, and the second conveying belt 530 has a curved shape on a surface thereof. The second cylindrical seating groove 531 may be formed to be repeated at regular intervals.

5 is a perspective view and a cross-sectional view showing a three-dimensional design printing on the surface of the cylindrical body by a three-dimensional printing apparatus in the cylindrical printing printer system to which the present invention is applied, and FIG. 6 is a cylindrical printing printer to which the present invention is applied. Three-dimensional design printing is performed on the surface of the cylindrical body by the system, and is a perspective view showing the discharged state as a whole.

The process in which the design is three-dimensionally printed on the cylindrical body by the cylindrical three-dimensional printing apparatus and discharged first, when the first motor 310 is driven under the control of a controller (not shown), the first drive pulley 320 And the transfer of the first transfer belt 330 connected to the first driven pulley 340 is started, the first cylindrical seat mounting groove 331 formed in the upper portion of the first transfer belt 330 is cylindrical cylinder supply device 200 Passing through the lower portion of the supply guide body 211 and at the same time the cylindrical body (CB) which is in contact with the upper surface of the first transfer belt 330 by its own weight is seated in the first cylindrical seating groove 331 In the state is discharged through the cylindrical discharge port 213, the cylindrical body (CB) is seated in all the first cylindrical seating grooves 331 formed on the upper surface of the first transfer belt 330 through the repeating of this process The state can be maintained.

Next, under the control of a control unit (not shown), the pick-up operation unit 456 of the cylindrical pick-up driving unit 450 is operated and the pick-up driving unit 454 moves upward, and at this time, the pick-up driving unit 454 Each pick-up driving guide pin 455 formed at both sides of the process passes through the pick-up pressing portion 453-2 formed at the top from the pick-up release portion 453-1 positioned at the bottom of the pick-up driving guide hole 453. As shown by the dashed-dotted line of FIG. 4, the pressing member 457-3 provided on the pickup driving motor shaft 457-2 is disposed in the first cylindrical seating recess 331 of the first transfer belt 330. Both sides of the seated cylindrical body (CB) is pressed, and then the pick-up driving guide pin (455) is moved to the pickup holding unit (453-3) and at the same time the cylindrical body (CB) is the first cylindrical seating groove (331) The state spaced apart from may be maintained.

Next, the pickup driving motor 457 is driven under the control of a controller (not shown) so that the cylindrical body CB is positioned at the programmed initial position of printing, and then the print head of the cylindrical three-dimensional printing apparatus 400 As the 430 moves along the print guide 420, the ink supplied from the print ink supply unit 440 is sprayed onto the surface of the cylindrical body CB through the nozzle 431, and then printing is performed. Then, the UV lamp 432 is used. Can be cured by At this time, the printing is repeated several times, and has a three-dimensional effect as it is cured by the UV lamp 432.

Next, the pick-up drive motor shaft 457-2 of the pick-up drive motor 457-1 rotates at an angle and stops, and the subsequent operation is repeated to the surface of the cylindrical body CB as shown in FIG. A three-dimensional design can be printed.

Next, when printing is finished on one cylindrical body CB, the cylindrical body CB compressed to the crimping member 457-3 through the reverse operation of the pick-up operation unit 456 moves downward to transfer the first conveyance belt. The first cylindrical seat 331 of the 330 is to be seated, and then the first transfer belt 330 may be printed on another cylindrical body (CB) which is moved in the longitudinal direction and stopped at the same time.

Next, the second motor 510 and the second driving pulley (in the state in which the cylindrical body CBP is seated in the second cylindrical seating groove 531 of the second conveying belt 530 of the cylindrical discharge part 500) ( Cylindrical body (CBP) may be discharged by repeating the process of moving the second transfer belt 530 by 520.

As described above, according to the present invention, by allowing three-dimensional design printing on the surface of the injected and molded cylindrical container, the user can feel the touch when the surface is touched, and product information can be quickly delivered through the touch. It is possible to realize a cylindrical printing apparatus.

Those skilled in the art to which the present invention pertains may understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features, and thus, the embodiments described above are exemplary in all respects and are not intended to be limiting. Should be. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. .

100: printer body 110: bottom plate
120: first motor support portion 130: first driven pulley support portion
140: second motor support portion 150: second driven pulley support portion
160: print support 200: cylindrical feeder
210: Supply guide 211: Supply guide body
212: cylinder inlet 213: cylinder outlet
300: cylindrical transfer device 310: the first motor
320: first drive pulley 330: first transfer belt
340: first driven pulley 400: cylindrical printing apparatus
410: print support frame 420: printing guide
430: print head 440: print ink supply
450: cylindrical pickup drive unit 451: pickup drive frame
452: pick-up driving hole 453: pick-up driving guide hole
454: pick-up driver 455: pick-up driving guide pin
456: pick-up operation unit 500: cylindrical discharge device
510: second motor 520: second drive pulley
530: second transfer belt 540: second driven pulley
453-1: Pickup release section 453-2: Pickup press section
453-3: Pickup maintenance department

Claims (2)

Cylindrical body (CB) supplied from the cylindrical body supply device 200 provided on one side of the printer body 100 is transferred by the cylindrical body conveying device 300, the curable printing on the surface of the conveyed cylindrical body (CB) A cylindrical three-dimensional printing apparatus 400 for spraying ink to print three-dimensional design,
A print support frame 410 coupled to the print support 160 of the printer body 100;
A printing guide 420 provided on the printing support frame 410;
A print head 430 provided on the printing guide 420 to be reciprocated in a slide and provided with a nozzle 431 and a UV lamp 432;
A print ink supply unit 440 provided to supply a print ink to the print head 430; And
A cylindrical pickup driving unit 450 for picking up and driving the cylindrical body CB;
Cylindrical stereoscopic printing apparatus comprising a.
The method of claim 1,
The cylindrical pickup driving unit 450 is
A pickup drive frame 451 having a lower portion coupled to the printer body 100;
A pickup driving hole 452 formed in the pickup driving frame 451;
A pickup driving guide hole 353 provided perpendicular to both sides of the pickup driving hole 452;
A pickup driver 454 inserted into the pickup driving hole 452;
Pickup driving guide pins 455 protruding from both upper and lower sides of the pickup driving body 454 to be inserted into the pickup driving guide holes 453;
A pickup operating part 456 provided between a lower portion of the pickup driving hole 452 and a lower portion of the pickup driving body 454;
Cylindrical stereoscopic printing apparatus comprising a.

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