CN214727562U - Printing platform structure and digital printing machine - Google Patents

Abstract

The utility model relates to a digital printing technical field discloses a print platform structure and digital printing machine, including the print platform body, the print platform body is provided with first arc breach along one side that the first direction is close to the drive roll. The utility model discloses in provide a print platform structure and digital printing machine, including the print platform body, the print platform body is provided with first arc breach along one side that the first direction is close to the drive roll, and the drive roll can be embedded into in the first arc breach, can reduce the clearance of medium between drive roll and print platform structure like this to prevent the medium fold, improved printing precision and printing efficiency.

Description

Printing platform structure and digital printing machine

Technical Field

The utility model relates to a digital printing technical field especially relates to a print platform structure and digital printing machine.

Background

Digital printing is printing by digital technology, which is a high and new technology product gradually formed along with the continuous development of computer technology and integrating mechanical and computer electronic information technology, and the production process of digital printing is simply through various digital means, such as: scanning, digital photo, image or various digital patterns processed by computer are input into computer, then processed by computer color separation printing system, and various special dyes (active, disperse and acid main paint) are directly sprayed and printed on various fabrics or other media by special RIP software through spraying and printing system, and then processed to obtain various required high-precision printed products on various textile fabrics.

In the prior art, the structure for completing printing mainly uses a conduction band type printing machine, as shown in CN02107229.9 conduction band type digital jet printing machine, the conduction band type printing machine has slow printing speed and low production efficiency, so a platform type digital printing machine appears on the market, no conduction band is needed, and the material itself is used for transmission, as shown in fig. 1, the platform type digital printing machine comprises a printing platform structure 1', a large gap exists between the printing platform structure 1' and a driving roller 2', a medium a can be folded between the printing platform structure 1' and the driving roller 2', and the printing quality and the printing efficiency are seriously affected.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a print platform structure and digital printing machine can prevent that the medium from improving printing precision and printing efficiency at the fold between drive roll and print platform structure.

In order to achieve the purpose, the utility model adopts the following technical proposal:

on the one hand, provide a print platform structure, including the print platform body, the print platform body is provided with first arc breach along one side that first direction is close to the drive roll.

Preferably, one side of the printing platform body, which is far away from the driving roller along the first direction, is provided with a second arc-shaped notch.

Preferably, the upper surface of print platform body is provided with the vacuum adsorption structure, the lower surface of print platform body is provided with the groove of taking out air, the groove of taking out air with the vacuum adsorption structure communicates with each other.

Preferably, the vacuum adsorption structure is a vacuum adsorption hole or a vacuum adsorption strip.

In another aspect, there is provided a digital printing machine, including:

a frame;

a slide rail is arranged on the rack along a second direction, the slide rail is connected with a spray head support in a sliding manner, a linear motor is further mounted on the slide rail, the output end of the linear motor is connected with the spray head support, and a spray head is arranged on the spray head support;

the winding and unwinding and conveying structure is arranged on the rack;

the printing platform structure is arranged on the rack and is positioned below the spray head support, and the printing platform structure is the printing platform structure.

Preferably, the winding and unwinding roll and conveying structure comprises:

an unwind roller for delivering unprinted roll media to said print deck structure;

the driving roller is arranged in the first arc-shaped notch and used for providing power for winding;

the driven roller is arranged on one side far away from the first arc-shaped notch;

the winding roller is used for winding the printed winding medium;

the first brush roller is arranged between the unwinding roller and the driving roller;

and a third brush roller disposed between the driven roller and the wind-up roller.

Preferably, an adjustable second brush roller is arranged between the driven roller and the third brush roller.

Preferably, an angle wrapping roller is arranged between the driving roller and the first brush roller, and the angle wrapping roller is arranged below the driving roller.

Preferably, a first corner roller and an adjustable third corner roller are arranged between the unwinding roller and the first brush roller;

a second corner roller is arranged between the second brush roller and the third brush roller.

Preferably, the rack is further provided with a nozzle seat corresponding to the nozzle.

The utility model discloses in provide a print platform structure and digital printing machine, including the print platform body, the print platform body is provided with first arc breach along one side that the first direction is close to the drive roll, and the drive roll can be embedded into in the first arc breach, can reduce the clearance of medium between drive roll and print platform structure like this to prevent the medium fold, improved printing precision and printing efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art printing platform configuration, drive roll and media engagement;

FIG. 2 is a schematic structural diagram of a printing platform according to an embodiment of the present invention;

fig. 3 is a top view of a schematic structural diagram of a printing platform according to an embodiment of the present invention;

fig. 4 is a bottom view of a schematic structural diagram of a printing platform structure according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a printing platform structure, a driving roller, and a medium according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a printing platform according to a second embodiment of the present invention;

FIG. 7 is a schematic diagram of a printing platform structure, a driving roller and a medium according to a second embodiment of the present invention;

fig. 8 is a schematic structural view of a digital printing machine according to a third embodiment of the present invention;

fig. 9 is another visual structure diagram of a digital printing machine according to another embodiment of the present invention;

fig. 10 is a top view of a digital printing machine according to another embodiment of the present invention;

fig. 11 is a schematic structural diagram of the cross section taken along the direction M-M1 of the embodiment of the present invention in cooperation with a packing medium.

In the figure:

A. a medium; x, a first direction; y, a second direction;

1. a printing platform body; 11. a first arc-shaped notch; 12. a second arc-shaped notch; 13. a vacuum adsorption structure; 14. an air exhaust groove;

2. a drive roll; 21. a drive roll motor;

3. a driven roller;

4. a frame; 41. a first frame; 42. a second frame;

5. a slide rail; 51. a linear motor;

6. a spray head holder; 61. a spray head;

71. unwinding rollers; 711. an unwinding motor; 72. a wind-up roll; 721. a winding motor;

81. a first brush roller; 82. a second brush roller; 821. a second electronic stand; 83. a third brush roller; 84. a first corner roll; 85. a third corner roll; 851. a first electronic shelf; 86. a wrap angle roller; 87. a second corner roll;

9. a nozzle seat.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 2 to 5, the embodiment of the utility model provides a printing platform structure, including printing platform body 1, one side that printing platform body 1 is close to drive roll 2 along first direction X is provided with first arc breach 11. Specifically, the drive roller 2 can be embedded into the first arc-shaped notch 11, so that the gap between the drive roller 2 and the printing platform structure of the medium a can be reduced, the medium a is prevented from being wrinkled, and the printing precision and the printing efficiency are improved.

As the utility model discloses an optimal mode of embodiment, the upper surface of print platform body 1 is provided with vacuum adsorption structure 13, and preferably, vacuum adsorption structure 13 is vacuum adsorption hole or vacuum adsorption strip, and it needs to explain to describe the embodiment of the utility model provides a do not restrict vacuum adsorption structure 13's concrete structure, be vacuum adsorption hole in this embodiment, print platform body 1's lower surface is provided with air exhaust groove 14, air exhaust groove 14 with vacuum adsorption structure 13 communicates with each other. Specifically, in the actual work, through the mode of evacuation, make the upper surface of print platform body 1 forms a low pressure for medium A can level and smooth the laminating at the upper surface of print platform body 1, can effectual improvement print the precision, and what need explain is that vacuum adsorption's principle is prior art, and here no longer surplus. The embodiment of the utility model provides an in adopt the mode that does not have the conduction band, utilize the transmission completion of medium itself to print.

Example two

As shown in fig. 6 and 7, the embodiment of the present invention is based on the first embodiment, one side of the printing platform body 1, which is away from the driving roller 2 along the first direction X, is provided with the second arc-shaped notch 12, and the driven roller 3 can be embedded into the second arc-shaped notch 12, so that the gap between the driven roller 3 and the printing platform structure can be reduced, thereby preventing the media a from wrinkling, and improving the printing precision and the printing efficiency.

EXAMPLE III

As shown in fig. 8 to 11, an embodiment of the present invention provides a digital printing machine, which is mainly used for printing of roll material, and includes:

a frame 4; preferably, the frame 4 comprises a first frame 41 and a second frame 42

A slide rail 5 is arranged on the rack 4 along a second direction Y, the slide rail 5 is slidably connected with a spray head support 6, a linear motor 51 is further mounted on the slide rail 5, an output end of the linear motor 51 is connected with the spray head support 6, and a spray head 61 is arranged on the spray head support 6;

the winding and unwinding and conveying structure is arranged on the rack 4;

and the printing platform structure is arranged on the frame 4 and is positioned below the spray head bracket 6, and the printing platform structure is the printing platform structure described in the first embodiment or the second embodiment.

The embodiment of the utility model provides an in, the transmission of medium A is accomplished in receipts roll and the transport structure of package on frame 4, and structurally at print platform, linear electric motor 51 control shower nozzle support 6 prints medium A with the mode shower nozzle of scanning.

Specifically, receive and release the roll and transport structure includes:

an unwinding roller 71 for feeding the unprinted roll medium a to the printing table structure; the unwinding roller 71 is arranged on the second frame 42, an unwinding motor 711 is arranged on the second frame 42, and an output end of the unwinding motor 711 is connected with the unwinding roller 71;

the driving roller 2 is arranged in the first arc-shaped notch 11 and used for providing power for winding; the driving roll 2 is arranged on the first frame 41, a driving roll motor 21 is arranged on the first frame 41, and the output end of the driving roll motor 21 is connected with the driving roll 2;

the driven roller 3 is arranged on one side far away from the first arc-shaped notch 11; preferably, the driven roller 3 is embedded in the second arc-shaped notch 12, the driven roller 3 is disposed on the first frame 41, and preferably, a magnetic powder brake is disposed on the driven roller 3, so that resistance and friction can be increased, and a slipping phenomenon of the package medium a can be prevented, thereby reducing printing precision.

A wind-up roller 72 for winding up the printed package medium a; the winding roller 72 is arranged on the second rack 42, a winding motor 721 is arranged on the second rack 42, and an output end of the winding motor 721 is connected with the winding roller 72;

a first brush roller 81 disposed between the unwinding roller 71 and the driving roller 2; the first brush roller 81 is provided to the first frame 41

And a third brush roller 83 provided between the driven roller 3 and the wind-up roller 72, the third brush roller 83 being provided on the second frame 42.

Specifically, the winding path of the package medium a in the embodiment of the present invention is: the roll media A to be printed is sent out from the unreeling roller 71, the unreeling roller 71 can be driven to rotate by the unreeling motor 711 and is conveyed to the first brush roller 81, the first brush roller 81 can be tensioned by media and can effectively prevent the roll media A from wrinkling during the printing process and then is conveyed to the driving roller 2, the driving roller 2 is driven to rotate by the driving roller motor 21 so as to provide power for reeling, the gap between the driving roller 2 and the printing platform structure is small, the wrinkling of the roll media A during the conveying process can be effectively prevented, the roll media A is printed on the printing platform structure, the roll media A is adhered to the driven roller 3 and is conveyed to the third brush roller 83, the third brush roller 83 can also prevent the wrinkling of the roll media A during the reeling, and the reeling roller 72 finishes the reeling under the driving of the reeling motor 721, in the embodiment of the utility model, the first brush roller 81 is arranged between the unreeling roller 71 and the driving roller 2, the third brush roller 83 between the driven roller 3 and the wind-up roller 72 can ensure that the packaged medium A is in a flat state before and after printing by arranging the first brush roller 81 and the third brush roller 83, and can effectively prevent the packaged medium A from wrinkling, thereby improving the printing quality. Further, the drive roll 2 is embedded into the first arc-shaped notch 11 of the printing platform body 1, so that the media A can be effectively prevented from being folded between the drive roll 2 and the printing platform body 1, and the printing precision is affected.

As a preferable mode of the embodiment of the present invention, an adjustable second brush roller 82 is provided between the driven roller 3 and the third brush roller 83. Specifically, the second brush roller 82 is slidably disposed on a second electronic frame 821, the second electronic frame 821 is disposed at the bottom of the first frame 41, a displacement sensor (not shown) is disposed on the second electronic frame 821, the whole packaged medium a can be in a tensioned state by the displacement sensor, and the packaged medium a is prevented from loosening or wrinkling to affect the printing quality, the specific working principle is that when the displacement sensor senses that the displacement of the third brush roller 83 is too large, the packaged medium a is in a very tensioned state, if the third brush roller 83 continues to displace, the packaged medium a is tensioned and broken, the winding roller 72 slows down the winding speed, when the displacement sensor senses that the displacement of the third brush roller 83 is too small, the packaged medium a is in a loosened state, the printing quality is affected, the winding roller 72 accelerates the winding speed, the packing medium A is in a proper tensioning state, further, the rolling process can be started, stopped, accelerated and decelerated, the packing medium A can be kept consistent during transmission, and the printing speed is guaranteed.

As a preferred mode of the embodiment of the present invention, the driving roller 2 and the first brush roller 81 are provided with the corner wrapping roller 86 therebetween, and the corner wrapping roller 86 is disposed below the driving roller 2. Specifically, the angle wrapping roller 86 is disposed on the first frame 41, the angle wrapping roller 86 is provided with a magnetic powder brake, which is mainly used to increase the resistance for conveying the package medium a, and the angle wrapping roller 86 and the driving roller 2 form an acute angle wrapping angle, so as to ensure that when the package medium a enters the driving roller 2, the slipping phenomenon does not occur, thereby affecting the printing precision and the conveying precision.

As a preferable mode of the embodiment of the present invention, a first corner roller 84 and an adjustable third corner roller 85 are disposed between the unwinding roller 71 and the first brush roller 81; a second corner roller 87 is provided between the second brush roller 82 and the third brush roller 83. Specifically, the first corner roller 84 is disposed on the second frame 42, the third corner roller 85 is slidably disposed on the first electronic shelf 851, the first electronic shelf 851 is disposed on the first frame 41, the second corner roller 87 is disposed on the first frame 41 and is located at the bottom, the unwinding roller 71 sequentially attaches the fed winding medium a to be printed on the first corner roller 84, the third corner roller 85, the first brush roller 81 and the corner wrapping roller 86, and then transmits the winding medium a to the driving roller 2, the driving roller 2 provides power for the winding medium a, the winding medium a is transmitted to the driven roller 3, the printing of the winding medium a is completed on the printing platform body 1 between the driving roller 2 and the driven roller 3, the driven roller 3 transmits the winding medium a to the second brush roller 82, and then the winding medium a is wound on the winding roller 72 through the second corner roller 87 and the third brush roller 83, and the whole winding and unwinding structure forms a cycle, furthermore, a displacement sensor (not shown) is disposed on the first electronic rack 851, and the displacement sensor can enable the whole packaged medium a to be in a tensioned state, so as to prevent the packaged medium a from loosening or wrinkling and affecting the printing quality, and the specific working principle is that when the displacement sensor senses that the displacement of the third corner roller 85 is too large, the packaged medium a is in a very tensioned state, if the third corner roller 85 continues to be displaced, the packaged medium a will be tensioned and broken, at this time, the unwinding speed of the unwinding roller 71 is increased, when the displacement sensor senses that the displacement of the third corner roller 85 is too small, the packaged medium a is in a loose and wrinkled state, at this time, the printing quality will be affected, at this time, the unwinding speed of the unwinding roller 71 is slowed, so that the packaged medium a is in a suitable tensioned state, and further, the unwinding process will be started, Stopping, accelerating and decelerating can keep the package medium A consistent during transmission, and ensure the printing speed.

As a preferred mode of the embodiment of the present invention, the frame 4 is further provided with a nozzle seat 9 corresponding to the nozzle. Specifically, the nozzle base 9 is mounted on the first frame 41, a corresponding driving component (not shown) is arranged at the bottom of the nozzle base 9, the driving component may be an air cylinder or a motor, etc., an output end of the driving component is connected to the nozzle base 9, when inkjet printing is not required, the nozzle support 6 slides above the nozzle base 9, the driving motor is started to enable the nozzle base 9 to move upwards, and the nozzle base 9 protects the nozzle 61. It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a print platform structure, its characterized in that, includes print platform body (1), print platform body (1) is provided with first arc breach (11) along one side that first direction (X) is close to drive roll (2).

2. A printing platform structure according to claim 1, characterized in that the printing platform body (1) is provided with a second arc-shaped notch (12) along the side of the first direction (X) away from the drive roll (2).

3. A printing platform structure according to claim 1 or 2, wherein a vacuum adsorption structure (13) is arranged on the upper surface of the printing platform body (1), and an air exhaust groove (14) is arranged on the lower surface of the printing platform body (1), and the air exhaust groove (14) is communicated with the vacuum adsorption structure (13).

4. A printing platform structure according to claim 3, characterized in that the vacuum suction structure (13) is a vacuum suction hole or a vacuum suction strip.

5. A digital printing machine, comprising:

a frame (4);

a sliding rail (5) is arranged on the rack (4) along a second direction (Y), the sliding rail (5) is connected with a spray head support (6) in a sliding manner, a linear motor (51) is further mounted on the sliding rail (5), the output end of the linear motor (51) is connected with the spray head support (6), and a spray head (61) is arranged on the spray head support (6);

the winding and unwinding and conveying structure is arranged on the rack (4);

-a printing platform structure mounted to the frame (4) and located below the head holder (6), the printing platform structure being as claimed in any one of claims 1 to 4.

6. The digital printing machine according to claim 5, wherein the winding and unwinding mechanism comprises:

an unwind roller (71) for delivering unprinted rolled media to said print deck structure;

the driving roller (2) is arranged in the first arc-shaped notch (11) and is used for providing power for winding;

the driven roller (3) is arranged on one side far away from the first arc-shaped notch (11);

a winding roller (72) for winding the rolled medium which has been printed;

a first brush roller (81) arranged between the unwinding roller (71) and the driving roller (2);

a third brush roller (83) provided between the driven roller (3) and the wind-up roller (72).

7. A digital printing machine according to claim 6, characterized in that between said driven roller (3) and said third brush roller (83) there is arranged an adjustable second brush roller (82).

8. The digital printing machine according to claim 7, wherein an angle wrapping roller (86) is arranged between the driving roller (2) and the first brush roller (81), and the angle wrapping roller (86) is arranged below the driving roller (2).

9. A digital printing machine as claimed in claim 8, characterized in that between said unwinding roller (71) and said first brush roller (81) there are arranged a first corner roller (84) and an adjustable third corner roller (85);

a second corner roller (87) is arranged between the second brush roller (82) and the third brush roller (83).

10. A digital printing machine according to claim 5, characterized in that the frame (4) is further provided with a nozzle base (9) corresponding to the nozzle (61).

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