KR20210144533A - Pad printing device and pad printing method using the pad printing device - Google Patents

Abstract

A pad printing apparatus according to the present invention, which prints an image pattern on an object to be printed using a pad, comprises: an ink supply unit which includes a printing plate formed with a plurality of image patterns and supplies a plurality of inks with different colors to the printing plate; a pad operation unit which includes a pad which contacts with the printing plate and on which the plurality of image patterns are primarily transferred; and a jig fixation unit which includes a jig fixation plate with the object to be printed disposed thereon, wherein the plurality of image patterns are secondarily transferred to the object to be printed. In this case, the pad allows multi-color printing or multi-region printing with one transfer process cycle including primary transfer and a secondary transfer by comprising a plurality of inclined units, thereby improving manufacturing productivity.

Description

PAD PRINTING DEVICE AND PAD PRINTING METHOD USING THE PAD PRINTING DEVICE

The present invention relates to a pad printing apparatus and a pad printing method using the same, and more particularly, to a pad printing apparatus and the apparatus capable of multi-region printing or multi-color printing on an object to be printed even with one transfer process cycle It relates to a pad printing method using

In pad printing, when an image pattern is to be printed on a predetermined position of the object to be printed, the image pattern is engraved on the etched plate, and ink is applied, and the image pattern engraved on the etched plate is transferred to the pad using the pad. After that, it refers to transferring the image pattern by pressing the pad to the object to be printed.

In general, pad printing is mainly used to print image patterns on plastic or metal products such as bottle caps, home appliances, cell phone cases, and keyboards. In particular, recently, it has been expanded and applied to the field of automobile interior materials. This requires the advancement of printing technology applied to interior parts to improve the design and surface texture applied to automobile interior parts.

In the existing general pad printing device, the pad descends, and the ink of one color is applied and the printed object is printed one degree. , since it takes a lot of time to print the object to be printed, there is a problem of low productivity.

It is an object of the present invention to provide a pad printing apparatus and a pad printing method using the same, capable of performing multi-color printing or multi-region printing on an object even with one transfer process cycle.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a pad printing apparatus and a pad printing method using the apparatus, in which an object to be processed or printed can easily set a desired angle and position direction.

Another object of the present invention is to provide a pad printing apparatus and a pad printing method using the same, which can improve the production efficiency of the object by minimizing the production time and production cost of the object to be processed or printed.

However, the object of the present invention is not limited to the above objects, and may be expanded in various ways without departing from the spirit and scope of the present invention.

In order to achieve the object of the present invention, a pad printing apparatus for printing an image pattern on an object using a pad according to an embodiment of the present invention includes a printing plate on which a plurality of image patterns are formed, and a plurality of different A jig comprising an ink supply unit for supplying colored ink, a pad operation unit including a pad to which a plurality of image patterns are primarily transferred in contact with a printing plate, and a jig fixing plate on which an object to which a plurality of image patterns are secondaryly transferred is disposed includes a fixture.

In this case, since the pad includes a plurality of inclined portions, the primary transfer is performed once, and the secondary transfer is repeated as many as the number of the plurality of image patterns, so that multi-color printing or multi-region printing is possible.

In addition, the process of printing an image pattern consists of primary and secondary transfer, and the process of printing an image pattern enables multi-color printing or multi-region printing on an object in one cycle to improve manufacturing productivity. can do it

The ink supply unit may include a plurality of ink cups accommodating ink, and the printing plate may receive inks of different colors from the plurality of ink cups.

In addition, the ink supply unit includes an ink cup for accommodating ink, the inside of the ink cup is divided into a plurality of spaces each containing ink of different colors, and the printing plate may receive ink of different colors from the ink cup. have.

The ink cup may include a predetermined space in which ink is stored, an upper hole in which the ink is injected, a plurality of lower holes in which the ink stored in the lower is discharged to the printing plate, and a scraper disposed along the lower edge. .

In addition, in order to achieve the object of the present invention, in the pad printing method using the pad printing apparatus according to the embodiment of the present invention, the pad is moved on the printing plate, and the first image pattern and the second image pattern of different colors are respectively provided on a plurality of inclined portions. 2 A step in which the image pattern is first transferred, the pad on which the first image pattern and the second image pattern are first transferred is moved to the object, and the first image pattern and the second image pattern are secondarily transferred to the object including the steps to be

In this case, in the secondary transfer step, the angle of the jig fixing plate is fixed and the angle of the pad is changed, and the first image pattern and the second image pattern are secondarily transferred to the same printing area of the object.

Specifically, in the secondary transfer step, the angle of the pad is changed so that the first image pattern transferred to the pad corresponds to the printed area of the object, and then the first image pattern of the pad is transferred to the object to be printed.

And after the first image pattern is secondaryly transferred to the object, the angle of the pad is changed so that the second image pattern transferred to the pad corresponds to the print area of the object, and then the second image pattern of the pad is transferred to the object. In addition, secondary transcription is carried out.

In another embodiment of the present invention, in the secondary transfer step, the angle of the pad is fixed and the angle of the jig fixing plate is changed, and the first image pattern and the second image pattern are secondary transferred to the same print area of the object. do.

Specifically, in the secondary transfer step, the angle of the jig fixing plate is changed so that the first image pattern transferred to the pad corresponds to the printing area of the object, and then the first image pattern of the pad is transferred to the object to be printed.

And after the first image pattern is secondary transferred to the object, the angle of the jig fixing plate is changed so that the second image pattern transferred to the pad corresponds to the printing area of the object, and then the second image pattern of the pad is transferred to the object to be printed. In addition to the secondary transcription.

In another embodiment of the present invention, in the secondary transfer step, the angle of the jig fixing plate and the pad is fixed, the pad is rotated 180 degrees, and the first image pattern and the second image pattern are the same printing area of the to-be-printed object. is secondarily transcribed in

Specifically, in the secondary transfer step, the pad is moved so that the first image pattern transferred to the pad corresponds to the printing area of the object to be transferred and the second transfer is performed.

And after the first image pattern is secondarily transferred to the object, the pad is rotated 180 degrees so that the second image pattern transferred to the pad corresponds to the printing area of the object, and then the second image pattern of the pad is transferred to the object. In addition, secondary transcription is carried out.

In addition, in another embodiment of the present invention, in the secondary transfer step, the angle of the pad is fixed and the angle of the jig fixing plate is changed, and the first image pattern and the second image pattern are first image patterns that are different regions of the object, respectively. Secondary transfer is made to the print area and the second print area.

Specifically, in the secondary transfer step, the angle of the jig fixing plate is changed so that the first image pattern transferred to the pad corresponds to the first printing area of the object, and then the first image pattern of the pad is secondary transferred to the object. do.

And after the first image pattern is secondarily transferred to the object to be printed, the angle of the jig fixing plate is changed so that the second image pattern transferred to the pad corresponds to the second printing area of the object, and then the second image pattern of the pad is Secondary transfer is additionally performed on the object to be printed.

In the pad printing apparatus and the pad printing method including the same according to the present invention, an image transfer process in which a plurality of image patterns having a plurality of colors are first transferred to a pad and secondary transferred to an object to be printed is performed in one transfer process cycle ( Cycle) alone enables multi-color printing or multi-area printing on the object to be printed, thereby improving manufacturing productivity.

In addition, the jig fixing unit according to the present invention is not only capable of left/right movement of the jig fixing plate on which the processed or printed object is seated, but also tilting for up/down/left/right angles, It is possible to easily set the processing and printing angles in the desired angle and position direction with respect to the object.

In particular, it is possible to effectively perform pad printing on printed matter having a three-dimensional shape with a complex printing surface due to adjacent curved or bent surfaces. can

However, the effects of the present invention are not limited to the above effects, and may be variously expanded without departing from the spirit and scope of the present invention.

1 is a perspective view showing a pad printing apparatus according to an embodiment of the present invention.
FIG. 2 is a diagram schematically illustrating the configuration of the pad printing apparatus shown in FIG. 1 .
FIG. 3 is a view showing a pad and a pad support member of the pad operation unit of FIG. 2 .
4 is a perspective view illustrating the ink supply unit of FIGS. 1 and 2 .
FIG. 5 is a view showing the ink cup of FIG. 4 .
6 is a perspective view illustrating the jig fixing unit of FIGS. 1 and 2 .
7 is an exploded perspective view of the jig fixing part shown in FIG. 6 .
8 is a diagram illustrating a case in which the first moving plate of FIG. 6 moves.
9 is a diagram illustrating a case in which the second moving plate of FIG. 6 moves.
FIG. 10 is a view illustrating a case in which the first moving plate and the second moving plate of FIG. 6 move at the same time.
11 is a view illustrating a support unit, a link unit, and a bearing unit disposed on a second moving plate.
12A, 12B, and 12C are process diagrams schematically illustrating a process of printing an object by a pad printing apparatus according to another exemplary embodiment of the present invention.
13 is a process diagram schematically illustrating a process of printing an object by a pad printing apparatus according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Among the components of the present invention, specific descriptions thereof will be omitted so as not to obscure the gist of the present invention, which can be clearly understood by a person skilled in the art and can be easily reproduced according to the prior art.

Although the first, second, etc. are used to describe various elements, these elements are not limited by these terms, of course. These terms are only used to distinguish one component from other components, and unless otherwise stated, the first component may be the second component, of course.

In addition, in the following, the arrangement of any component on the "upper (or lower)" of the component or the "upper (or below)" of the component means that any component is disposed in contact with the upper surface (or lower surface) of the component. In addition, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.

In addition, when it is described that a component is "connected", "coupled", "fastened" or "connected" to another component, the components may be directly connected or connected to each other, but there is another element between each component. It should be understood that components may be “interposed” or each component may be “connected,” “coupled,” “fastened,” or “connected” through another component.

Hereinafter, a pad printing apparatus according to an embodiment of the present invention will be described.

1 is a perspective view illustrating a pad printing apparatus according to an embodiment of the present invention, and FIG. 2 is a diagram schematically illustrating the configuration of the pad printing apparatus shown in FIG. 1 .

1 and 2 , the pad printing apparatus according to an embodiment of the present invention may include a control unit 600 , a pad operation unit 700 , an ink supply unit 800 , and a jig fixing unit 900 . can Hereinafter, each component will be described in detail.

<control unit 600>

The control unit 600 may control the pad operation unit 700 , the ink supply unit 800 , and the jig fixing unit 900 , which will be described below.

The controller 600 may include a data input/output device, a display device, a storage device, and various control devices including other control programs.

<Pad operation unit 700>

FIG. 3 is a view showing a pad and a pad support member of the pad operation unit of FIG. 2 .

Referring to FIG. 3 , the pad operation unit 700 may include a pad 720 and a pad support member 710 supporting the pad 720 .

The pad support member 710 is a plate of a predetermined size for supporting the pad 720 , and the pad 720 may be coupled to the lower surface of the pad support member 710 .

The pad support member 710 may move a predetermined distance. The pad support member 710 may reciprocate in a vertical direction from a predetermined point to an image pattern formed on the printing plate 840 of the ink supply unit 800 to be described below, and at a predetermined point, the following It is possible to reciprocate in the horizontal direction to the position where the jig fixing part 900 is disposed, and after moving in the horizontal direction to the position where the jig fixing part 900 is disposed, the blood disposed in the jig fixing part 900 is disposed. It can reciprocate vertically to the substrate. Here, the movement of the pad support member 710 may be controlled by the controller 600 .

The pad operation unit 700 may be controlled by the control unit 600 . The pad operation unit 700 may be electrically connected to the control unit 600 , may receive an electrical signal from the control unit 600 , and may be controlled by the electrical signal.

The controller 600 may control the movement of the pad support member 710 . Specifically, the controller 600 may control the moving distance and the moving direction of the pad support member 710 .

The pad operation unit 700 may further include a motor necessary to move the pad support member 710 , support members supporting the motor, and connection members connecting other components.

The pad 720 may print the transferred image pattern on the object to be printed. Here, the image pattern refers to a symbol, character, figure, color, etc. or a combination thereof transferred to the object to be printed.

In addition, the image transfer here means that a preset image is printed on the surface of the object to be printed and transferred, and the ink filled in the groove engraved in the image shape is transferred to the surface of the object to be printed.

The pad 720 is made of a material that can be deformed when a predetermined force is applied to the surface of the pad 720, such as silicone or rubber, so that it can be deformed according to the shape of the object to be printed. have.

The shape of the pad 720 may be formed in various ways according to the shape of a specific area (printing area) of the object to which the image pattern is transferred or the shape of the image pattern transferred to the specific area of the printed material.

The pad 720 of the present invention may be formed in various ways, and may include a plurality of inclined portions 721 and 722 . For example, the plurality of inclined portions may include a first inclined portion 721 and a second inclined portion 722 .

In this case, the plurality of inclined portions 721 and 722 may be formed at different angles to the pad support member 710 . Since the angles formed by each of the plurality of inclined portions 721 and 722 with the pad support member 710 are different from each other, when transferring an image to an object having various shapes and angles, the image can be printed with minimal movement and transfer process. can

An image pattern is transferred to the inclined portions 721 and 722 .

The image pattern is formed on the printing plate 840 of the ink supply unit 800 to be described below, and the engraved portion (pattern groove) of the image pattern is filled with ink.

When the pad support member 710 moves and the pad 720 coupled to the lower surface of the pad support member 710 comes into contact with the image pattern formed on the printing plate 840, the ink filled in the engraved portion (pattern groove) of the image pattern. is transferred to the pad 720 and transferred. In the present invention, this is called primary transcription.

Thereafter, the pad support member 710 moves again in the direction in which the object to be printed is placed so that the pad 720 comes into contact with the object disposed in the jig fixing unit 900 to be described below, so that the pad 720 is to be printed. Retransfer the image pattern onto the print. In the present invention, this is called secondary transcription.

The image pattern is first transferred to the inclined portions 721 and 722 of the pad 720, and the inclined portions 721 and 722 of the pad 720 to which the image pattern is primarily transferred are in contact with the printing area of the object, The image pattern is printed on the object to be secondarily transferred.

In the present invention, a plurality of image patterns can be transferred to each of the plurality of inclined portions 721 and 722 of the pad 720 by only performing one primary transfer.

In addition, in the present invention, the secondary transfer is repeated by the number of the plurality of image patterns, so that the plurality of image patterns transferred primarily to the pad 720 can be secondarily transferred to the object to be printed.

Therefore, the image transfer process consists of primary transfer and secondary transfer, and when the image transfer process as described above is defined as one cycle, in the present invention, only one image transfer process cycle Printing or multi-region printing is possible, thereby improving manufacturing productivity.

On the other hand, the reason for transferring the image pattern to the inclined portions 721 and 722 of the pad 720 is the image pattern on the central portion of the pad 720 (the convex portion between the inclined portion 721 and the other inclined portion 722 ). In the case of printing the image pattern on the object to be printed by transferring because it may not be.

The pad operation unit according to the present invention has an advantage in that different colors or images can be simultaneously or sequentially applied to a printed object by using a pad mounting method in a row instead of a pad mounting in a parallel structure.

In addition, it is possible to use a plurality of pads of various types according to the size and shape of the object to be printed, so that the desired color and image pattern for each object can be matched to the printing area of the product, and multi-color printing can be performed at the same time.

Accordingly, not only the manufacturing productivity is improved, but also simultaneous and sequential work can be performed by one setting during one operation using a plurality of pads using only one device.

<Ink supply unit 800>

4 is a perspective view illustrating the ink supply unit 800 of FIGS. 1 and 2 , and FIG. 5 is a diagram illustrating the ink cup of FIG. 4 .

2 to 5 , the ink supply unit 800 may include an ink cup 810 , an ink cup support member 820 , a transfer guide 830 , and a printing plate 840 .

The ink cup 810 may contain ink.

The shape of the ink cup 810 is not particularly limited and may be formed in various shapes.

The ink cup 810 has a predetermined space 811 capable of storing ink therein, an upper hole 812 through which ink can be injected, and a plurality of lower portions in which the stored ink is discharged to the printing plate 840 . may include a lower hole 813 of Also, in the ink cup 810 , a scraper 814 may be disposed along a lower edge of the ink cup 810 .

The scraper 814 includes one end and the other end, one end is fastened to the lower surface of the ink cup 810 , and the other end is in close contact with the upper surface of the printing plate 840 .

The scraper 814 prevents the ink discharged to the printing plate 840 through the lower hole 813 of the ink cup 810 from leaking to the outside.

There may be a plurality of ink cups 810 . Each of the plurality of ink cups 810 may be physically separated from each other, and may be disposed to be spaced apart from each other by a predetermined distance. Here, the ink stored in each of the plurality of ink cups 810 may have the same color or may be different. In this case, a single color or a plurality of colors may be determined according to an image pattern transferred to an object to be printed.

Alternatively, according to an embodiment of the present invention, there may be one ink cup 810 . A predetermined space for storing ink may be formed inside one ink cup 810 , and the predetermined space may be divided into a plurality of compartments by partitions (or partitions). Here, each of the plurality of compartments may have an independent predetermined space physically separated from each other by a partition (or partition wall). An upper hole through which ink may be injected may be formed in an upper portion of each of the plurality of compartments. Ink may be stored in each of the plurality of compartments through the upper hole. In addition, a plurality of lower holes through which the stored ink is discharged to the printing plate 840 may be formed in the lower portion of each of the plurality of sections, and the scraper along the lower edge of the ink cup 810 or along the lower edge of each of the plurality of sections 814 may be disposed. The ink stored in each of the plurality of compartments may have the same color or may be different. In this case, a single color or a plurality of colors may be determined according to an image pattern transferred to an object to be printed.

The ink cup 810 may be coupled to the ink cup support member 820 .

The ink cup support member 820 may be coupled to the ink cup 810 and support the ink cup 810 . The ink cup support member 820 may be coupled to the ink cup 810 by fastening means 821 such as rivets or screws. The fastening means 821 is inserted into the hole 822 formed in the ink cup support member 820 and the fastening portion (not shown) formed in the ink cup 810 , thereby forming the ink cup support member 820 and the ink cup 810 . can be combined. Here, the fastening part may be a recess or a hole. The method of fastening the ink cup 810 and the ink cup support member 820 is not limited thereto, and may be fastened by other structures such as a hook structure and a bolt structure.

The ink cup support member 820 may be a plate that is long in one direction and has a predetermined thickness. Here, the plate may include a bending, step, or coupling hole 822 .

The ink cup support member 820 includes one end and the other end, one end may be coupled to the transfer guide 830 , and the other end may be coupled to the ink cup 810 .

The ink cup support member 820 is coupled to the transfer guide 830 to move in one direction and in a direction opposite to the one direction.

The transfer guide 830 may be disposed to be spaced apart from one side of the printing plate 840 by a predetermined distance.

The transfer guide 830 includes a body member 831 and a rail member 832 . The body member 831 is connected to the rail member 832 to move on the rail member 832 in one direction and in a direction opposite to the one direction.

The ink cup support member 820 may be fixedly coupled to the transfer guide 830 . Specifically, one end of the ink cup support member 820 may be fixed by being fastened with the body member 831 of the transfer guide 830 . Accordingly, the ink cup support member 820 may move in one direction and in the opposite direction to the one direction on the rail member 832 of the transfer guide 830 .

The ink supply unit 800 may be controlled by the control unit 600 . The ink supply unit 800 may be electrically connected to the control unit 600 , may receive an electrical signal from the control unit 600 , and may be controlled by the electrical signal.

The controller 600 may control the movement of the body member 831 of the transfer guide 830 . Specifically, the controller 600 may control the moving distance and the moving direction of the body member 831 .

In addition, the transfer guide 830 may further include driving devices necessary to move the body member 831 . The controller 600 may control the movement of the body member 831 by controlling the driving devices. Specifically, the controller 600 may control the moving distance and the moving direction of the body member 831 by controlling the driving devices.

The ink cup 810 is fastened to the other end of the ink cup support member 820 in one direction and the opposite direction to the one direction on the rail member 832 of the transfer guide 830 together with the ink cup support member 820 . can move

A printing plate 840 is disposed under the ink cup 810 . The ink cup 810 may move in one direction and opposite directions to the printing plate 840 .

The ink cup 810 may supply ink to the printing plate 840 while moving on the printing plate 840 . Specifically, the ink stored in the ink cup 810 may be discharged to the printing plate 840 (specifically, the region 841 where the image pattern is formed in the printing plate 840) through the lower hole 813 of the ink cup 810 . .

An image pattern may be formed or disposed on the printing plate 840 . Specifically, an image pattern may be etched or disposed on the upper surface of the printing plate 840 in an intaglio form.

The ink cup 810 may supply ink to the area 841 where the image pattern is formed in the printing plate 840 .

According to an embodiment of the present invention, the printing plate 840 may include a metal flat plate layer and a resin layer such as a nylon photosensitive layer applied on the upper surface of the flat plate layer. A pattern groove forming an image pattern may be formed in the resin layer. The pattern groove may be formed through alcohol etching and thermal drying after pattern exposure on the resin layer.

On one side of the printing plate 840 , the transfer guide 830 may be disposed to be spaced apart from each other by a predetermined distance, and one end of the ink cup support member 820 may be coupled to the transfer guide 830 . In addition, the ink cup 810 may be coupled to the other end of the ink cup support member 820 . When the ink cup support member 820 is coupled to the transfer guide 830 and moves in one direction or the opposite direction to the one direction, the ink cup 810 may move in one direction or the opposite direction to the one direction on the printing plate 840 . have. In this case, the ink cup 810 may supply ink to the printing plate 840 . Specifically, the ink stored in the ink cup 810 may pass through the lower hole of the ink cup 810 and be filled into the pattern groove of the image pattern formed in the printing plate 840 .

Movements of the ink cup support member 820 and the ink cup 810 may be controlled by the controller 600 . This is possible by controlling the driving devices necessary for the control unit 600 to move the body member (831). The user may determine a movement section of the ink cup support member 820 and the ink cup 810 , and input a start point and an end point of the movement section to the controller 600 . In addition, the user may set the moving section and the moving direction of the body member 831 by using the start point and the end point of the moving section.

As described above, the ink supply unit 800 according to the present invention moves the plurality of ink cups 810 horizontally left and right on the printing plate 840 on which the image pattern is corroded in engraving or embossing, so that the ink is uniformly transferred. It can be set so that multi-color printing jobs can be made continuously. In this case, for example, when transferring inks of two different colors, a second-color printing operation may be performed.

By operating the ink supply unit for supplying different colors to one printing plate, it is possible to automatically and continuously produce different colors and images, thereby minimizing the loss in printing plate replacement and ink exchange.

When the ink cup 810 moves and ink is filled in the pattern groove of the image pattern formed on the printing plate 840 , the pad support member 710 moves and the pad 720 coupled to the lower surface of the pad support member 710 is It may come into contact with the image pattern formed on the printing plate 840 . At this time, the ink filled in the pattern groove of the image pattern is transferred to the pad 720 (primary transfer). Then, the pad support member 710 moves again so that the pad 720 comes into contact with the object disposed on the jig fixing unit 900 , so that the pad 720 is secondarily transferred by retransferring the image pattern onto the object to be printed.

The pad 720 includes a plurality of inclined portions 721 and 722 , and an image pattern may be transferred to each of the plurality of inclined portions 721 and 722 .

According to an embodiment of the present invention, a plurality of objects to be printed may be disposed on the jig fixing part 900 to be described below. The image pattern transferred to each of the plurality of inclined portions 721 and 722 may be transferred (printed) to each of the plurality of objects to be printed. Here, the image pattern transferred to each of the plurality of inclined portions 721 and 722 and each of the plurality of objects to be printed may be the same or different.

Also, according to an embodiment of the present invention, the image pattern transferred to each of the plurality of inclined portions 721 and 722 may be transferred (printed) to one to-be-printed object.

For example, an image pattern may be transferred (printed) to the same print area in one to-be-printed object. Accordingly, the image patterns transferred to each of the plurality of inclined portions 712 and 722 may be sequentially printed on the same printing area on one printed object.

In addition, the image pattern may be transferred (printed) in a different printed area in one to-be-printed object. When the area to which the image pattern is transferred in one object is divided into the first area and the second area, the image pattern transferred to any one 721 of the plurality of inclined portions 721 and 722 is the first area of the object. The image pattern may be transferred to the region, and the image pattern transferred to the other one of the plurality of inclined portions may be transferred to the second region of the object to be printed. Here, the image patterns transferred to the first region and the second region may be the same or different.

Primary transfer in which the pad 720 comes into contact with the image pattern formed on the printing plate 840 and the ink filled in the pattern groove of the image pattern is transferred to the plurality of inclined portions 721 and 722 of the pad 720; Multi-color printing or multi-region printing is possible on a target object even with one transfer process cycle including secondary transfer to be re-transferred to the printed matter. For this reason, it is possible to shorten the time required to print the to-be-printed object, and to improve product productivity.

The to-be-printed object may be arranged and fixed on the jig fixing plate 500 of the jig fixing part 900 to be described below. In the case where the area to which the image pattern is transferred (printed) on the object includes a curve or step, in order to improve the print quality, rotate or move the jig fixing plate 500 of the jig fixing part 900 to rotate the printed object can be made or moved.

In addition, the transfer process may be performed by rotating or moving the pad 720 of the pad operation unit 700 without rotating or moving the jig fixing plate 500 of the jig fixing unit 900 .

<Jig fixing part (900)>

The jig fixing part 900 may fix the to-be-printed object. A jig capable of fixing an object to be printed may be disposed on the jig fixing unit 900 . In addition, if the to-be-printed object can be fixed on the jig fixing part 900 without a jig, according to an embodiment of the present invention, the jig may be omitted.

6 is a perspective view showing the jig fixing part of FIGS. 1 and 2 , FIG. 7 is an exploded perspective view of the jig fixing part shown in FIG. 6 , and FIG. 8 is a view showing a case in which the first moving plate of FIG. 6 moves , FIG. 9 is a view illustrating a case in which the second moving plate of FIG. 6 moves.

6 to 9 , the jig fixing part 900 according to an embodiment of the present invention includes a first motor 20 , a second motor 60 , and a first ball screw 30 . ), the second ball screw 70, the bottom plate 10, the first moving plate 40, the second moving plate 80, the first linear movement guide 50, the second linear movement guide 90, It may include a spherical bearing unit 100 , a plurality of link units 200 , a support unit 300 , a jig fixing plate 500 , and the like. Hereinafter, each configuration will be described in detail.

The first motor 20 may be disposed on the bottom plate 10 and may be fixed.

The first motor 20 rotates by receiving electric power and refers to a power mechanical device that generates rotational force on a rotating shaft, and a motor generally used in an industrial field may be used.

The bottom plate 10 serves as a support plate in the jig fixing part 900 according to an embodiment of the present invention, has a plate shape, and is not limited to a specific shape, material, size, and the like.

The first motor 20 may be fixed to the bottom plate 10 in various ways. It may be fixed by fastening means such as bolts or screws. In this case, the jig fixing part 900 according to an embodiment of the present invention may further include other components for fixing the first motor 20 to the bottom plate 10 in addition to bolts or screws.

The first motor 20 may be connected to the first moving plate 40 .

The first motor 20 and the first moving plate 40 may be connected by a first ball screw 30 .

The first ball screw 30 may be a ball screw generally used in an industrial field, and may include a first screw shaft 31 and a first screw nut 32 .

The first motor 20 is connected to one end of the first screw shaft 31 , and the first screw nut 32 is disposed on the first screw shaft 31 to move along the first screw shaft 31 . . And the first screw nut 32 may be connected to the first moving plate 40 .

The first moving plate 40 may move together with the first screw nut 32 . The jig fixing part 900 according to an embodiment of the present invention may further include a first connecting member 33 for connecting the first screw nut 32 and the first moving plate 40 .

The first screw shaft 31 may be supported by support members 34 that are spaced apart from each other by a predetermined distance. The first screw shaft 31 may rotate while being supported by the support members 34 .

The support members 34 supporting the first screw shaft 31 may be disposed on the bottom plate 10 . Specifically, the support members 34 supporting the first screw shaft 31 may be disposed on the upper surface of the bottom plate 10 and may be fixed.

When electricity is supplied to the first motor 20 and the first motor 20 rotates in one direction, the first screw shaft 31 rotates in one direction, and the first screw nut 32 rotates the first screw shaft ( 31) to move in the first direction. When the first motor 20 rotates in the opposite direction to the one direction, the first screw shaft 31 also rotates in the opposite direction to the one direction, and the first screw nut 32 moves along the first screw shaft 31. It can move in the opposite direction to one direction. That is, the first screw nut 32 may linearly reciprocate along the first screw shaft 31 according to the rotation direction of the first motor 20 and the first screw shaft 31 . The first moving plate 40 may linearly reciprocate together with the first screw nut 32 .

The above-described first direction may be a direction from right to left, or the opposite direction. A direction opposite to the first direction may be a left-to-right direction, or the opposite direction. the same below.

Specifically, the first direction may be an X-axis or a Y-axis direction.

In addition, the linear reciprocating movement of the first moving plate 40 may refer to movement in the X-axis or the Y-axis with respect to a plane formed of the X-axis and the Y-axis.

The first moving plate 40 may be disposed on the bottom plate 10 and may move on the bottom plate 10 .

The shape, material, and size of the first moving plate 40 are not limited to a specific shape, material, and size, and may have various shapes, materials, and sizes.

In order for the first moving plate 40 to reciprocate linearly on the bottom plate 10 , a plurality of first linear moving guides 50 may be disposed between the bottom plate 10 and the first moving plate 40 . .

The first linear movement guide 50 may be an LM guide (Linear Motion Guide) generally used in the industrial field.

The first linear movement guide 50 may include a first guide rail 51 and a first guide block 52 . The first guide rail 51 and the first guide block 52 may be plural.

The first guide block 52 is coupled to the first guide rail 51 to move on the first guide rail 51 . A plurality of balls may be disposed in the first guide block 52 , and the balls may rotate while in contact with one surface of the first guide rail 51 . Specifically, when the first guide block 52 moves on the first guide rail 51 , the ball may rotate while in contact with one surface of the first guide rail 51 .

The first linear movement guide 50 may be disposed between the bottom plate 10 and the first moving plate 40 .

The first guide rail 51 may be disposed on the bottom plate 10 , and may be fixed to the bottom plate 10 . The first guide rail 51 may be disposed on the bottom plate 10 with the longitudinal direction of the first guide rail 51 as the first direction. And the first guide block 52 may be coupled to the first guide rail (51).

A first moving plate 40 may be disposed on the first guide block 52 . The upper surface of the first guide block 52 and the lower surface of the first moving plate 40 may be coupled, and the first moving plate 40 is on the first guide rail 51 together with the first guide block 52 . can move Specifically, when the first guide block 52 moves on the first guide rail 51 , the first moving plate 40 may also move on the first guide rail 51 together with the first guide block 52 . .

When the first motor 20 rotates in one direction, the first screw shaft 31 rotates in one direction, and the first screw nut 32 may move in the first direction along the first screw shaft 31 . . At this time, the first moving plate 40 connected to the first screw nut 32 is coupled to the first guide block 52 , together with the first guide block 52 on the first guide rail 51 in the first direction. can move When the first motor 20 rotates in the opposite direction to one direction, the first moving plate 40 may move in the opposite direction to the first direction on the first guide rail 51 together with the first guide block 52 . have. That is, the first moving plate 40 may linearly reciprocate in the first direction and the opposite direction on the first guide rail 51 according to the rotation direction of the first motor 20 . This indicates that the first moving plate 40 linearly reciprocates in the first direction and the opposite direction on the bottom plate 10 .

The second motor 60 may be disposed on the first moving plate 40 and may be fixed.

The second motor 60 rotates by receiving electric power and refers to a power mechanical device that generates rotational force on a rotating shaft, and a motor generally used in an industrial field may be used.

The second motor 60 may be fixed to the first moving plate 40 in various ways. It may be fixed by fastening means such as bolts or screws. In this case, the jig fixing unit 900 according to an embodiment of the present invention may further include other components for fixing the second motor 60 to the first moving plate 40 in addition to bolts or screws. .

The second motor 60 may be connected to the second moving plate 80 .

The second motor 60 and the second moving plate 80 may be connected by a second ball screw 70 .

The second ball screw 70 may be a ball screw generally used in an industrial field, and may include a second screw shaft 71 and a second screw nut 72 .

The second motor 60 is connected to one end of the second screw shaft 71 , and the second screw nut 72 is disposed on the second screw shaft 71 to move along the second screw shaft 71 . . And the second screw nut 72 may be connected to the second moving plate (80).

The second moving plate 80 may move together with the second screw nut 72 . The jig fixing part 900 according to an embodiment of the present invention may further include a second connecting member 73 for connecting the second screw nut 72 and the second moving plate 80 .

The second screw shaft 71 may be supported by supporting members 74 that are spaced apart from each other by a predetermined distance. The second screw shaft 71 may rotate while being supported by the support members 74 .

The support members 74 supporting the second screw shaft 71 may be disposed on the first moving plate 40 . Specifically, the support members 74 supporting the second screw shaft 71 may be disposed on the upper surface of the second moving plate 80 and may be fixed.

When electricity is supplied to the second motor 60 and the second motor 60 rotates in one direction, the second screw shaft 71 rotates in one direction, and the second screw nut 72 rotates the second screw shaft ( 71) in the second direction. When the second motor 60 rotates in the opposite direction to the one direction, the second screw shaft 71 also rotates in the opposite direction to the one direction, and the second screw nut 72 moves along the second screw shaft 71. It can move in opposite directions in two directions. That is, the second screw nut 72 may linearly reciprocate along the second screw shaft 71 according to the rotation direction of the second motor 60 and the second screw shaft 71 . The second moving plate 80 may linearly reciprocate together with the second screw nut 72 .

The above-described second direction may be a direction from the rear side to the front side, or the opposite direction. The opposite direction to the second direction may be a direction from the front side to the rear side, or the opposite direction. The first and second directions described above may be directions orthogonal to each other. the same below.

Specifically, the second direction may be an X-axis or a Y-axis direction. However, when the first direction is set as the X-axis, the second direction may be set as the Y-axis direction, and when the first direction is set as the Y-axis, the second direction may be set as the X-axis direction.

In addition, the linear reciprocating movement of the second moving plate 80 may refer to movement in the X-axis or the Y-axis with respect to a plane formed of the X-axis and the Y-axis.

The second moving plate 80 may be disposed on the first moving plate 40 and may move on the first moving plate 40 .

The shape, material, and size of the second moving plate 80 are not limited to a specific shape, material, and size, and may have various shapes, materials, and sizes.

In order for the second moving plate 80 to linearly reciprocate on the first moving plate 40 , a plurality of second linear moving guides 90 are provided between the second moving plate 80 and the first moving plate 40 . can be placed.

The second linear movement guide 90 may be an LM guide (Linear Motion Guide) generally used in the industrial field.

The second linear movement guide 90 may include a second guide rail 91 and a second guide block 92 . The second guide rail 91 and the second guide block 92 may be plural.

The second guide block 92 is coupled to the second guide rail 91 to move on the second guide rail 91 . A plurality of balls may be disposed in the second guide block 92 , and the balls may rotate while in contact with one surface of the second guide rail 91 . Specifically, when the second guide block 92 moves on the second guide rail 91 , the ball may rotate while in contact with one surface of the second guide rail 91 .

The second linear movement guide 90 may be disposed between the first moving plate 40 and the second moving plate 80 .

The second guide rail 91 may be disposed on the first moving plate 40 and fixed to the first moving plate 40 . The second guide rail 91 may be disposed on the first moving plate 40 with a longitudinal direction of the second guide rail 91 as the second direction. And the second guide block 92 may be coupled to the second guide rail (91).

A second moving plate 80 may be disposed on the second guide block 92 . The upper surface of the second guide block 92 and the lower surface of the second moving plate 80 may be coupled, and the second moving plate 80 is on the second guide rail 91 together with the second guide block 92 . can move Specifically, when the second guide block 92 moves on the second guide rail 91 , the second moving plate 80 may also move on the second guide rail 91 together with the second guide block 92 . .

When the second motor 60 rotates in one direction, the second screw shaft 71 rotates in one direction, and the second screw nut 72 may move in the second direction along the second screw shaft 71 . . At this time, the second moving plate 80 connected to the second screw nut 72 is coupled to the second guide block 92 , together with the second guide block 92 on the second guide rail 91 in the second direction. can move When the second motor 60 rotates in the opposite direction to the one direction, the second moving plate 80 may move in the opposite direction to the second direction on the second guide rail 91 together with the second guide block 92 . have. That is, the second moving plate 80 may linearly reciprocate in the second direction and the opposite direction on the second guide rail 91 according to the rotation direction of the second motor 60 . This indicates that the second moving plate 80 linearly reciprocates in the second direction and the opposite direction on the first moving plate 40 .

Since the second motor 60 , the second ball screw 70 , the second moving plate 80 and the second linear movement guide 90 are disposed on the first moving plate 40 , the first moving plate 40 ) is moved in the first direction or in the opposite direction to the first direction by the first motor 20 , the second motor 60 , the second ball screw 70 , the second moving plate 80 , and the second straight line The movement guide 90 may also move in the first direction or in a direction opposite to the first direction.

The first motor 20 and the second motor 60 may be driven simultaneously. FIG. 10 is a diagram illustrating a case in which the first moving plate and the second moving plate of FIG. 1 move simultaneously.

Referring to FIG. 10 , when the first motor 20 and the second motor 60 are simultaneously driven, the second motor 60 , the second ball screw 70 , the second moving plate 80 , and the second Since the linear movement guide 90 is disposed on the first moving plate 40 , the second motor 60 , the second ball screw 70 , the second moving plate 80 and the second linear movement guide 90 . can reciprocate linearly in the opposite direction to the second direction and the second direction by the second motor 60 and at the same time move linearly in the opposite direction to the first direction and the first direction by the first motor 20 have.

11 is a view illustrating a support unit, a link unit, and a bearing unit disposed on a second moving plate.

7 to 11 , the spherical bearing unit 100 , the plurality of link units 200 , and the support unit 300 may be disposed on the second moving plate 80 .

The support unit 300 may be disposed on the upper surface of the second moving plate 80 , the plurality of link units 200 may be disposed on the support unit 300 , and the plurality of link units 200 may be disposed on the support unit 300 . A spherical bearing unit 100 may be disposed.

The support unit 300 may include a plurality of support members 310 and 320 , and the plurality of support members 310 and 320 may be connected to each other to support the plurality of link units 200 .

The plurality of link units 200 may include a first link unit 210 and a second link unit 220 connected to the first link unit 210 .

The first link unit 210 may be connected to the support unit 300 , and may rotate in a first direction or in a direction opposite to the first direction in a connected state. Specifically, one side of the first link unit 210 may be connected to the support unit 300 , and in the connected state, one side of the first link unit 210 becomes a rotational central axis, and the first link unit 210 (first link unit 210) One side of the link unit 210) may rotate in the first direction or in a direction opposite to the first direction. However, the rotation of the first link unit 210 (the other side of the first link unit 210 ) may be limited in the second direction or in a direction opposite to the second direction.

The second link unit 220 may be connected to the first link unit 210 and may rotate in the second direction or in a direction opposite to the second direction in a connected state. Specifically, one side of the second link unit 220 may be connected to the other side of the first link unit 210, and in the connected state, one side of the second link unit 220 becomes a central axis of rotation, and the second link unit ( 220 (the other side of the second link unit 220 ) may rotate in the second direction or in a direction opposite to the second direction. However, the second link unit 220 (the other side of the second link unit 220) rotates in the first direction or in the opposite direction to the first direction with respect to one side of the second link unit 220, which is the central axis of rotation. This may be limited.

When the first link unit 210 rotates in the first direction in a state in which it is connected to the support unit 300 , the second link unit 220 is based on one side of the second link unit 220 which is the central axis of rotation. Since rotation is restricted in the first direction or in a direction opposite to the first direction, the second link unit 220 rotates in the first direction together with the first link unit 210 in a state connected to the first link unit 210 . can

In addition, when the first link unit 210 rotates in the opposite direction to the first direction in a state in which it is connected to the support unit 300 , the second link unit 220 is the center of rotation of the second link unit 220 . Since rotation is restricted in the first direction or the opposite direction to the first direction with respect to one side, the second link unit 220 is connected to the first link unit 210 together with the first link unit 210 . It can rotate in the opposite direction to one direction.

In this case, the rotational movement of the first link unit 210 and the second link unit 220 is based on the plane consisting of the X-axis and the Z-axis or the Y-axis and the Z-axis, the movement in the X-axis or the Y-axis. can mean

The second link unit 220 may be connected to the spherical bearing unit 100 . Specifically, the second link unit 220 may be connected to the bearing portion 110 of the spherical bearing unit 100 and may be fixed. More specifically, the other side of the second link unit 220 may be connected to the bearing portion 110 of the spherical bearing unit 100, and may be fixed.

The spherical bearing unit 100 includes a bearing part 110 having an outer surface having a spherical shape, a bearing support part 120 surrounding the bearing part 110, a bearing housing 130 surrounding the bearing support part 120, and a bearing housing ( It may include a bearing housing fixing part 140 connected to one side of 130 .

The bearing unit 110 may have a hole penetrating in the vertical direction, and the outer surface may be formed to have a spherical shape. The other side of the second link unit 220 may be disposed in the hole of the bearing unit 110 . In this case, the end face 220 ′ of the end forming the other side of the second link unit 220 may penetrate the hole of the bearing unit 110 and be exposed to the outside.

The bearing support part 120 has a hole 120' penetrating in the vertical direction, and the bearing part 110 may be disposed in the hole 120'. The inner surface of the bearing support part 120 forming the hole 120 ′ of the bearing support part 120 may surround the bearing part 110 . Specifically, the inner surface of the bearing support part 120 may surround the spherical shape formed in the bearing part 110 , and may have a shape corresponding to the spherical shape formed in the bearing part 110 . That is, the contact surface of the bearing part 110 and the bearing support part 120 may form a spherical surface.

The bearing part 110 may rotate within the bearing support part 120 . Specifically, the bearing unit 110 may rotate while in contact with the inner surface of the bearing support unit 120 .

The bearing housing 130 has a hole 130 ′ penetrating in the vertical direction, and a bearing support 120 may be disposed in the hole 130 ′. The inner surface of the bearing housing 130 forming the hole 130 ′ of the bearing housing 130 may surround the bearing support 120 .

A fixing end 131 that can be connected to the bearing housing fixing part 140 may be formed on one side of the outer surface of the bearing housing 130 . In a manner in which the fixed end 131 of the bearing housing 130 and the bearing housing fixing unit 140 are connected, they may be connected to each other by fastening means such as bolts or screws, and the bearing housing 130 is connected to the bearing by the fastening means. It may be fixed to the housing fixing unit 140 .

The bearing housing fixing part 140 may have a plate shape having a hole 140 ′ penetrating in the vertical direction.

The bearing housing fixing part 140 may be connected to the frame 400 forming the outer shape of the jig fixing part 900 according to an embodiment of the present invention.

The frame 400 may include a side plate part 420 forming a side surface of the frame 400 and an upper plate part 410 forming an upper surface of the frame 400 . A lower end of the side plate part 420 may be connected to the bottom plate 10 , and an upper end of the side plate part 420 may be connected to the upper plate part 410 . Specifically, the upper end of the side plate part 420 may be connected to the edge of the top plate part 410 .

The side plate portion 420 of the frame 400 may be a plurality of members manufactured separately and coupled to each other, or may be a single member formed integrally.

The upper plate portion 410 of the frame 400 may have a plate shape, and a hole 410 ′ may be formed in the central portion.

The upper plate part 410 and the side plate part 420 of the frame 400 may be integrally formed, or may be separately manufactured and coupled to each other.

The bearing housing fixing part 140 may be connected to the upper plate part 410 of the frame 400 and may be fixed. Specifically, the bearing housing fixing part 140 is disposed on the upper plate part 410 of the frame 400 , and the hole 140 ′ of the bearing housing fixing part 140 is on the hole 410 ′ of the upper plate part 410 . can be placed. The center point of the hole 130 ′ of the bearing housing 130 and the center point of the hole 410 ′ of the upper plate part 410 may be located on the same axis.

The manner in which the bearing housing fixing part 140 and the upper plate part 410 of the frame 400 are connected may be connected to each other by fastening means such as bolts or screws, and the bearing housing fixing part 140 is connected to the frame by the fastening means. It may be fixed to the upper plate portion 410 of the 400 .

The bearing housing fixing part 140 is fastened to the upper plate part 410 of the frame 400 and fixed, the bearing housing 130 is fastened to the bearing housing fixing part 140 and fixed, and the hole ( In a state in which the bearing support part 120 is disposed in 130') and the bearing part 110 is disposed in the hole 120' of the bearing support part 120, the other side of the second link unit 220 is a bearing part. It may be disposed in the hole of 110 , and may be fixed to the bearing unit 110 . When the second link unit 220 rotates or moves, the bearing unit 110 may rotate or move in the hole 120 ′ of the bearing support unit 120 . And the end face 220 ′ of the end forming the other side of the second link unit 220 may be exposed to the outside through the hole of the bearing unit 110 .

The jig fixing plate 500 may be disposed on the end face 220 ′ of the end forming the other side of the second link unit 220 , and may be connected to and fixed to the end forming the other end of the second link unit 220 . . Accordingly, when the second link unit 220 rotates or moves, the jig fixing plate 500 may also rotate or move. Specifically, when the second link unit 220 rotates or moves, the bearing unit 110 may rotate or move within the hole of the bearing support unit 120 , and the jig fixing plate 500 may also rotate or move.

An operating principle of the jig fixing plate 500 rotating or moving by the driving of the first motor 20 will be described as follows.

When the first motor 20 rotates in one direction, the first moving plate 40 may move in the first direction, and the second moving plate 80 disposed on the first moving plate 40 may also move in the first direction. can move to At this time, the first link unit 210 disposed on the second moving plate 80 and connected to the support unit may rotate in a direction opposite to the first direction, and the second link unit 220 may be formed by the first link unit ( In a state connected to the 210 , it may rotate in a direction opposite to the first direction together with the first link unit 210 . Therefore, the jig fixing plate 500 is fixed to the end forming the other side of the second link unit 220, the right side of the jig fixing plate 500 goes down, the left side of the jig fixing plate 500 can go up.

And, when the first motor 20 rotates in the opposite direction to one direction, the first moving plate 40 may move in the opposite direction to the first direction, and the second moving plate 40 disposed on the first moving plate 40 may be moved in the opposite direction. The plate 80 may also move in a direction opposite to the first direction. In this case, the first link unit 210 disposed on the second moving plate 80 and connected to the support unit may rotate in a first direction, and the second link unit 220 may be connected to the first link unit 210 and the first link unit 210 . In a connected state, it may rotate in the first direction together with the first link unit 210 . Accordingly, the jig fixing plate 500 is fixed to the end forming the other side of the second link unit 200 , the right side of the jig fixing plate 500 goes up, and the left side of the jig fixing plate 500 can go down.

An operating principle of the jig fixing plate 500 rotating or moving by the driving of the second motor 60 will be described as follows.

When the second motor 60 rotates in one direction, the second moving plate 80 may move in the second direction. At this time, the first link unit 210 disposed on the second moving plate 80 and connected to the support unit is limited in rotation in the second direction or in a direction opposite to the second direction, and the second link unit 220 is One side of the second link unit 220 may be rotated in a direction opposite to the second direction by using one side of the second link unit 220 as a central axis of rotation. Accordingly, the jig fixing plate 500 is fixed to the end forming the other side of the second link unit 220 , the front side of the jig fixing plate 500 goes up, and the rear side of the jig fixing plate 500 can go down.

And, when the second motor 60 rotates in a direction opposite to one direction, the second moving plate 80 may move in a direction opposite to the second direction. At this time, the first link unit 210 disposed on the second moving plate 80 and connected to the support unit is limited in rotation in the second direction or in a direction opposite to the second direction, and the second link unit 220 is It may rotate in the second direction with one side of the second link unit 220 being a central axis of rotation. Accordingly, in the jig fixing plate 500 , the front side of the jig fixing plate 500 may go down, and the rear side of the jig fixing plate 500 may go up.

When the first motor 20 and the second motor 60 are simultaneously driven, the rotation or movement of the jig fixing plate 500 by the driving of the first motor 20 described above and the second motor 60 described above ) rotation or movement of the jig fixing plate 500 by driving is made simultaneously. Here, the rotation or movement of the jig fixing plate 500 indicates that the front side, the rear side, the left side and/or the right side of the jig fixing plate 500 go up or down.

The jig fixing unit 900 may be controlled by the control unit 600 . The jig fixing unit 900 may be electrically connected to the control unit 600 , may receive an electrical signal from the control unit 600 , and may be controlled by the electrical signal.

The controller 600 may control the first motor 20 and the second motor 60 . Specifically, the control unit 600 may control the rotation direction and the number of rotations of the first motor 20 and the second motor 60 .

The controller 600 may control the rotation or movement of the jig fixing plate 500 by controlling the rotation direction and the number of rotations of the first motor 20 and the second motor 60 .

Accordingly, the user may rotate or move the jig fixing plate 500 by using the control unit 600 , and may rotate or move the to-be-printed object disposed on the jig fixing plate 500 in a predetermined direction. The user may continuously process or print the object to be printed in a state in which it is fixed on the jig fixing plate 500 .

The above-described jig fixing unit 900 according to an embodiment of the present invention can improve the production efficiency of the printed object by minimizing the production time and production cost of the processed or printed object.

Specifically, the jig fixing device according to the embodiment of the present invention can freely set the height and angle according to the shape or curved surface of the object, so that the processing and printing of the surface to be printed with minimal pressure is efficiently possible. By minimizing the bleeding or distortion of the pattern, it is possible to enable stable print quality and continuous operation.

In addition, in the case of a general flat base jig, it is necessary to adjust the height or angle of the seating jig according to the shape of the product, but in the case of the jig fixing device according to the embodiment of the present invention, freely position and Since the angle can be adjusted, it is possible to create an efficient processing or printing surface, enabling stable work.

12A, 12B, and 12C are process diagrams schematically illustrating a process of printing an object by the pad printing apparatus according to an embodiment of the present invention, respectively.

The pad 720 has a plurality of inclined portions, and the image pattern transferred to each of the plurality of inclined portions may be transferred (printed) onto one to-be-printed object. For example, when the print area pa of the object P on which the image pattern is printed is one and the same area, that is, the first image pattern and the second image pattern in the same print area on one object P This is a case where it is necessary to transfer (print) in this order. Alternatively, since the printing area of the object P includes a curve or step, it is necessary to rotate or move the object P in a predetermined direction to print, or rotate or move the pad 720 in a predetermined direction. In case you need to print.

12a, 12b, and 12c, the X axis is the movement axis of the horizontal movement of the pad 720, the Z axis is the movement axis of the vertical movement of the pad 720 and the rotation axis of the rotation, and the Y axis is the pad 720 and the jig. It is defined as an angle change axis or a tilting axis of the angle change of the fixed plate 500 .

Specifically, the pad 720 having a plurality of inclined portions 721 and 722 is moved to be disposed on the printing plate 840, and the printing plate 840 has an area in which a plurality of image patterns are formed (a). However, in the present invention, the printing plate 840 will be described as an embodiment having an area in which two image patterns are formed.

Next, when the pad 720 moves vertically downward on the printing plate 840, that is, moves in the -Z-axis direction and contacts the printing plate 840 (b), a plurality of inclined portions 721 of the pad 720, 722), the first image pattern 721a and the second image pattern 722a are first transferred to each (c).

Next, the pad 720 is positioned on the to-be-printed object P seated on the jig fixing plate 500 of the jig fixing part 900 by vertical movement and horizontal movement in the upward direction.

Then, as shown in FIG. 12A , the controller 600 controls the angle of the pad 720 to be changed, so that the pad 720 may be tilted such that the first image pattern 721a faces the object to be printed.

In this case, the change in the angle of the pad 720 means that the pad 720 is tilted at a predetermined angle with the Y axis as the central axis. As described above, the pad 720 is tilted at a predetermined angle with the Y axis as the central axis, so that the first image pattern 721a transferred to the inclined portion of the pad 720 is applied to the printing area pa of the object P. It can be adjusted to a position where it can be accurately printed.

That is, the angle of the jig fixing plate 500 is fixed and the angle of the pad 720 is changed. Accordingly, the first image pattern 721a transferred to any one 721 of the plurality of inclined portions 721 and 722 is transferred to the printing area pa of the object P (d).

In this case, the angle of the pad 720 is changed so that the first image pattern 721a transferred to the pad corresponds to the printing area pa of the object P, and then the first image pattern 721a of the pad 720 ) is secondarily transferred to the object P.

Next, the pad 720 vertically moves in the upward direction (e), and the controller 600 controls the angle of the pad 720 to change, so that the pad 720 has the second image pattern 722a to be printed (e). It can be tilted to face P). That is, the pad 720 is tilted so that the second image pattern 722a faces the object P, and the pad 720 vertically moves downward (f).

That is, after the first image pattern 721a is secondarily transferred to the object P, the second image pattern 722a transferred to the pad 720 corresponds to the printing area pa of the object P. After the angle of the pad 720 is changed so as to be possible, the second image pattern 722a of the pad 720 is additionally transferred secondary to the object P.

Next, the second image pattern 722a transferred to the other one 722 of the plurality of inclined portions 721 and 722 is transferred to the printing area pa of the object P, and is vertically moved upward again. By doing so, two-color printing in which the first image pattern 721a and the second image pattern 722a are printed is performed on one printing area pa (g).

Or in another embodiment, after the steps (a) (b) (c) described above, the control unit 600 controls the angle of the jig fixing plate 500 to change as shown in FIG. 12b, so that the jig fixing plate 500 is not The printing area pa of the printed material P may be tilted toward the first image pattern 721a.

In this case, the change in the angle of the jig fixing plate 500 means that the jig fixing plate 500 is tilted at a predetermined angle with the Y axis as the central axis. As such, the jig fixing plate 500 is tilted at a predetermined angle with the Y axis as the central axis, so that the printing area pa of the object P is transferred to the inclined portion of the pad 720 , the first image pattern 721a. It can be adjusted to a position where it can be accurately printed on the

That is, the angle of the pad 720 is fixed and the angle of the jig fixing plate 500 is changed. Accordingly, the first image pattern 721a transferred to any one 721 of the plurality of inclined portions 721 and 722 is transferred to the printing area pa of the object P (d).

In this case, the angle of the jig fixing plate 500 is changed so that the first image pattern 721a transferred to the pad 720 corresponds to the printing area pa of the object P, and then the first of the pad 720 The image pattern 721a is secondarily transferred to the object P.

Next, the pad 720 vertically moves in the upward direction (e), and the control unit 600 controls the angle of the jig fixing plate 500 to change, so that the jig fixing plate 500 is a printing area of the object P ( pa) may be tilted toward the second image pattern 722a. That is, the jig fixing plate 500 is tilted so that the second image pattern 722a faces the object P, and the pad 720 vertically moves downward (f).

That is, after the first image pattern 721a is secondarily transferred to the object P, the second image pattern 722a transferred to the pad 720 corresponds to the printing area pa of the object P. After the angle of the jig fixing plate 500 is changed so as to be possible, the second image pattern 722a of the pad 720 is additionally transferred secondary to the object P.

Next, the second image pattern 722a transferred to the other one 722 of the plurality of inclined portions 721 and 722 is transferred to the printing area pa of the object P, and is vertically moved upward again. By doing so, two-color printing in which the first image pattern 721a and the second image pattern 722a are printed is performed on one printing area pa (g).

Alternatively, in another embodiment, after steps (a) (b) (c) described above, as shown in FIG. 12c , the pad 720 has the first image pattern 721a on the print area pa of the object P. It can be transferred horizontally to correspond to the secondary transfer (d).

The embodiment according to FIG. 12c can be applied to a case where the printing area pa of the object P has an inclined surface such as having a curve, and the inclined surface of the pad 720 is the printing area of the object P. It may have a preset shape to correspond to the inclined surface of (pa).

That is, the angle of the jig fixing plate 500 is fixed and the angle of the pad 720 is changed. Accordingly, the first image pattern 721a transferred to any one 721 of the plurality of inclined portions 721 and 722 is transferred to the printing area pa of the object P (d).

Next, the pad 720 vertically moves upward (e), and the controller 600 controls the pad 720 to rotate 180 degrees about the Y-axis as a central axis, so that the pad 720 forms the second image pattern 722a. ) can be rotated to correspond to the printing area pa of the object P.

That is, since the pad 720 rotates 180 degrees about the Y axis without performing a separate horizontal movement after vertical movement, the positions of the inclined surfaces of the pad 720 may be reversed. As such, by rotating 180 degrees so that the positions of the inclined surfaces of the pad 720 are reversed with each other, the second image pattern 722a of the pad 720 is the second image pattern 721a of the second-transferred object (P). may be adjusted to a position corresponding to the printing area pa of

That is, the pad 720 is rotated so that the second image pattern 722a corresponds to the printing area pa of the object P, and the pad 720 vertically moves downward (f).

That is, after the first image pattern 721a is secondarily transferred to the object P, the second image pattern 722a transferred to the pad 720 corresponds to the printing area pa of the object P. After the pad 720 is rotated 180 degrees as much as possible, the second image pattern 722a of the pad 720 is additionally transferred secondary to the object P.

Next, the second image pattern 722a transferred to the other one 722 of the plurality of inclined portions 721 and 722 is transferred to the printing area pa of the object P, and is vertically moved upward again. By doing so, two-color printing in which the first image pattern 721a and the second image pattern 722a are printed is performed on one printing area pa (g).

13 is a process diagram schematically illustrating a process of printing an object by the pad printing apparatus according to another embodiment of the present invention.

The pad 720 has a plurality of inclined portions, and the image pattern transferred to each of the plurality of inclined portions may be transferred (printed) onto one to-be-printed object. For example, when the printing area of the object P on which the image pattern is printed is multi-area pa1 and pa2, that is, the image pattern by changing the areas pa1 and pa2 printed on one object P This is a case where transfer (printing) is required. Alternatively, since the printing area of the object P includes a curve or a step, it is necessary to rotate or move the object P in a predetermined direction to print.

The pad 720 having a plurality of inclined portions 721 and 722 is moved to be disposed on the printing plate 840, and the printing plate 840 has an area in which two image patterns are formed (a). When the pad 720 vertically moves downward on the printing plate 840 and comes into contact with the printing plate 840 (b), the first image pattern and the second The image pattern is first transferred (c).

The pad 720 is positioned on the to-be-printed object P seated on the jig fixing plate 500 of the jig fixing part 900 by vertical movement and horizontal movement in the upper direction.

Then, as shown in FIG. 13, the control unit 600 controls the angle of the jig fixing plate 500 to change, so that the jig fixing plate 500 is the first printing area pa1 of the object P to be printed with the first image pattern ( 721a) can be tilted toward.

In this case, the change in the angle of the jig fixing plate 500 means that the jig fixing plate 500 is tilted at a predetermined angle with the Y axis as the central axis. As such, the jig fixing plate 500 is tilted at a predetermined angle with the Y axis as the central axis, so that the first print area pa1 of the object P is transferred to the inclined portion of the pad 720 with the first image pattern ( 721a) can be adjusted to a position that can be accurately printed.

That is, the angle of the pad 720 is fixed and the angle of the jig fixing plate 500 is changed. Accordingly, the first image pattern 721a transferred to any one 721 of the plurality of inclined portions 721 and 722 is transferred to the first printing area pa1 of the object P (d).

In this case, the angle of the jig fixing plate 500 is changed so that the first image pattern 721a transferred to the pad 720 corresponds to the first printing area pa1 of the object P, and then the pad 720 The first image pattern 721a is secondarily transferred to the object P.

Next, the pad 720 vertically moves in the upward direction (e), and the controller 600 controls the angle of the jig fixing plate 500 to change, so that the jig fixing plate 500 is a second print of the object P. The area pa2 may be tilted to face the second image pattern 722a. That is, the jig fixing plate 500 is tilted so that the second image pattern 722a faces the object P, and the pad 720 vertically moves downward (f).

That is, after the first image pattern 721a is secondarily transferred to the object P, the second image pattern 722a transferred to the pad 720 is transferred to the second printing area pa2 of the object P. After the angle of the jig fixing plate 500 is changed to correspond to , the second image pattern 722a of the pad 720 is additionally transferred secondary to the object P.

Next, the second image pattern 722a transferred to the other one 722 of the plurality of inclined portions 721 and 722 is transferred to the second printing area pa2 of the object P, and again in the upper direction. By vertically moving, two-area printing is made (g). Here, the shape of the image pattern transferred to the first printing area pa1 and the second printing area pa2 may be the same or different, and the color of the image pattern may also include two or more multi-colors.

Referring back to FIGS. 1 to 3 , the pad printing apparatus of the present invention may further include a cleaning unit 1000 .

The cleaning unit 1000 may remove ink or foreign substances remaining on the pad 720 .

The cleaning unit 1000 may include a cleaning tape and a cleaning tape roller.

The cleaning tape may be used to remove ink adhered to the surface of the pad 720 after the pad 720 has printed an object.

The cleaning tape roller may be driven by a position sensor or control unit 600 disposed adjacent to the cleaning unit 1000 .

Features, structures, effects, etc. described in the above embodiments are included in at least one embodiment of the present invention, and are not necessarily limited to only one embodiment. Furthermore, features, structures, effects, etc. illustrated in each embodiment can be combined or modified with respect to other embodiments by those of ordinary skill in the art to which the embodiments belong. Accordingly, the contents related to such combinations and modifications should be interpreted as being included in the scope of the present invention.

In addition, although the embodiment has been mainly described in the above, this is only an example and does not limit the present invention, and those of ordinary skill in the art to which the present invention pertains to the above in the range that does not depart from the essential characteristics of the present embodiment. It will be appreciated that various modifications and applications not illustrated are possible. That is, each component specifically shown in the embodiment can be modified and implemented. And differences related to such modifications and applications should be construed as being included in the scope of the present invention defined in the appended claims.

10: bottom plate 20: first motor
30: first ball screw 40: first moving plate
50: first linear movement guide 60: second motor
70: second ball screw 80: second moving plate
90: second linear movement guide 100: spherical bearing unit
200: link unit 300: support unit
400: frame 500: jig fixing plate
600: control unit 700: pad operation unit
710: pad support member 720: pad
800: ink supply 810: ink cup
820: ink cup support member 830: transfer guide
840: printing plate 900: jig fixing part
1000: cleaning unit

Claims (14)

In the pad printing apparatus for printing an image pattern on an object to be printed using a pad,
an ink supply unit including a printing plate on which a plurality of image patterns are formed, and supplying inks of a plurality of different colors to the printing plate;
a pad operation unit including a pad to which the plurality of image patterns are primarily transferred in contact with the printing plate; and
a jig fixing unit including a jig fixing plate on which an object to which the plurality of image patterns are secondarily transferred is disposed; including,
The pad includes a plurality of inclined portions,
The first transcription is performed once,
The secondary transfer is performed repeatedly by the number of the plurality of image patterns, pad printing apparatus. According to claim 1,
The image transfer process consists of the primary transfer and the secondary transfer,
The image transfer process consists of one cycle (Cycle), pad printing apparatus. According to claim 1,
The ink supply unit includes a plurality of ink cups accommodating ink,
The printing plate is supplied with inks of different colors from the plurality of ink cups, a pad printing apparatus. According to claim 1,
The ink supply unit includes an ink cup accommodating ink,
The inside of the ink cup is divided into a plurality of spaces each containing ink of different colors,
The printing plate is supplied with inks of different colors from the ink cup, pad printing apparatus. 4. The method of claim 3,
The ink cup includes a predetermined space in which ink is stored, an upper hole in which the ink is injected, a plurality of lower holes in which the ink stored in the lower is discharged to the printing plate, and a scraper disposed along the lower edge , pad printing device. 4. The method of claim 3,
The ink supply unit further includes an ink cup support member coupled to the plurality of ink cups, and a transfer guide connected to the ink cup support member,
The plurality of ink cups and the ink cup support member are moved in one direction or in a direction opposite to the one direction by the transfer guide. In the pad printing method using the pad printing apparatus according to any one of claims 1 to 6,
first transferring the first image pattern and the second image pattern of different colors to each of the plurality of inclined portions by moving the pad to the printing plate;
moving the pad to which the first image pattern and the second image pattern are firstly transferred to the object to be secondarily transferred to the object to be the first image pattern and the second image pattern; including,
In the second transfer step, the angle of the jig fixing plate is fixed and the angle of the pad is changed,
The pad printing method, wherein the first image pattern and the second image pattern are secondarily transferred to the same printing area of the to-be-printed object. 8. The method of claim 7,
In the second transfer step,
After the angle of the pad is changed so that the first image pattern transferred to the pad corresponds to the printing area of the object, the first image pattern of the pad is transferred secondary to the object,
After the first image pattern is secondarily transferred to the to-be-printed object,
The pad printing method, wherein the angle of the pad is changed so that the second image pattern transferred to the pad corresponds to the printing area of the object, and then the second image pattern of the pad is additionally transferred to the object to be printed. . In the pad printing method using the pad printing apparatus according to any one of claims 1 to 6,
first transferring the first image pattern and the second image pattern of different colors to each of the plurality of inclined portions by moving the pad to the printing plate;
moving the pad to which the first image pattern and the second image pattern are firstly transferred to the object to be secondarily transferred to the object; including,
In the secondary transfer step, the angle of the pad is fixed and the angle of the jig fixing plate is changed,
The pad printing method, wherein the first image pattern and the second image pattern are secondarily transferred to the same printing area of the to-be-printed object. 10. The method of claim 9,
In the second transfer step,
After the angle of the jig fixing plate is changed so that the first image pattern transferred to the pad corresponds to the printing area of the object, the first image pattern of the pad is transferred to the object to be printed,
After the first image pattern is secondarily transferred to the to-be-printed object,
After the angle of the jig fixing plate is changed so that the second image pattern transferred to the pad corresponds to the printing area of the object, the second image pattern of the pad is additionally transferred to the object to be printed. Way. In the pad printing method using the pad printing apparatus according to any one of claims 1 to 6,
first transferring the first image pattern and the second image pattern of different colors to each of the plurality of inclined portions by moving the pad to the printing plate;
moving the pad to which the first image pattern and the second image pattern are firstly transferred to the object to be secondarily transferred to the object to be the first image pattern and the second image pattern; including,
In the second transfer step, the angle of the jig fixing plate and the pad is fixed, the pad rotates 180 degrees,
The pad printing method, wherein the first image pattern and the second image pattern are secondarily transferred to the same printing area of the to-be-printed object. 12. The method of claim 11,
In the second transfer step,
The pad is moved so that the first image pattern transferred to the pad corresponds to the printing area of the to-be-printed object, and the second transfer is performed,
After the first image pattern is secondarily transferred to the to-be-printed object,
Pad printing, wherein the pad is rotated 180 degrees so that the second image pattern transferred to the pad corresponds to the printing area of the object, and then the second image pattern of the pad is additionally transferred to the object Way. In the pad printing method using the pad printing apparatus according to any one of claims 1 to 6,
first transferring the first image pattern and the second image pattern of different colors to each of the plurality of inclined portions by moving the pad to the printing plate;
moving the pad to which the first image pattern and the second image pattern are firstly transferred to the object to be secondarily transferred to the object; including,
In the secondary transfer step, the angle of the pad is fixed and the angle of the jig fixing plate is changed,
and the first image pattern and the second image pattern are secondarily transferred to a first printing area and a second printing area which are different areas of the to-be-printed object, respectively. 14. The method of claim 13,
In the second transfer step,
After the angle of the jig fixing plate is changed so that the first image pattern transferred to the pad corresponds to the first printing area of the object, the first image pattern of the pad is transferred secondary to the object,
After the first image pattern is secondarily transferred to the to-be-printed object,
After the angle of the jig fixing plate is changed so that the second image pattern transferred to the pad corresponds to the second printing area of the object, the second image pattern of the pad is additionally secondarily transferred to the object, How to print a pad.

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