CN214522798U - Cylindrical surface printing apparatus - Google Patents

Cylindrical surface printing apparatus Download PDF

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Publication number
CN214522798U
CN214522798U CN202120415189.6U CN202120415189U CN214522798U CN 214522798 U CN214522798 U CN 214522798U CN 202120415189 U CN202120415189 U CN 202120415189U CN 214522798 U CN214522798 U CN 214522798U
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CN
China
Prior art keywords
printing
cylindrical surface
printing mechanism
curing
nozzles
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CN202120415189.6U
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Chinese (zh)
Inventor
覃勇
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Dongguan Tuchuang Intelligent Manufacturing Co Ltd
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Dongguan Tuchuang Intelligent Manufacturing Co Ltd
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Priority to CN202120415189.6U priority Critical patent/CN214522798U/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B41J3/40733—Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • B41J25/3088—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms with print gap adjustment means on the printer frame, e.g. for rotation of an eccentric carriage guide shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J2025/008—Actions or mechanisms not otherwise provided for comprising a plurality of print heads placed around a drum

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ink Jet (AREA)

Abstract

The utility model belongs to the technical field of the inkjet printing, concretely relates to cylindrical surface printing equipment, this equipment rotary drive device and printing device, rotary drive device are used for driving cylindrical surface and rotate. The printing device is used for printing the cylindrical surface; the printing device comprises a first printing mechanism and a second printing mechanism, wherein the first printing mechanism and the second printing mechanism are distributed along the circumferential direction of the cylindrical surface, and nozzles on the first printing mechanism and the second printing mechanism face the cylindrical surface. The ink jetting direction of the nozzles on the first printing mechanism is perpendicular to the cylindrical surface, and the ink jetting direction of the nozzles on the second printing mechanism is perpendicular to the cylindrical surface. The utility model discloses when well rotary drive device drive cylindrical surface rotated, the nozzle on first printing mechanism, the second printing mechanism was printed cylindrical surface at the rotatory in-process of cylindrical surface to the realization is printed cylindrical surface's inkjet.

Description

Cylindrical surface printing apparatus
Technical Field
The utility model relates to an ink jet printing technology field, concretely relates to cylindrical surface printing equipment.
Background
The cylinder is a common printing material in production life, and in the prior art, patterns or characters are usually printed on the cylinder by a screen printing mode. The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate applies certain pressure to the ink position on the screen printing plate, and simultaneously the ink moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a cylindrical printing stock from meshes of the image-text part by the scraper plate in the moving process.
The ink-jet printing is a technology which does not need plate making, has good printing effect and is widely applied to multiple industries such as mobile phone shells, advertisements, printing and dyeing, ceramics, furniture, packaging and the like, but the existing printing equipment can not realize the ink-jet printing on the surface of the cylinder.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a cylindrical surface printing equipment. The cylindrical surface printing device can realize ink-jet printing on the cylindrical surface.
The utility model provides a cylindrical surface printing apparatus, cylindrical surface printing apparatus includes:
the rotation driving device is used for driving the cylindrical surface to rotate;
printing means for printing on said cylindrical surface; the printing device comprises a first printing mechanism and a second printing mechanism, wherein the first printing mechanism and the second printing mechanism are distributed along the circumferential direction of a cylindrical surface, nozzles on the first printing mechanism and the second printing mechanism face the cylindrical surface, the ink jetting direction of the nozzles on the first printing mechanism is perpendicular to the cylindrical surface, and the ink jetting direction of the nozzles on the second printing mechanism is perpendicular to the cylindrical surface.
As a preferable aspect of the above cylindrical surface printing apparatus, the cylindrical surface printing apparatus further includes:
a curing device for curing the ink printed on the cylindrical surface.
As a preferable mode of the above cylindrical surface printing apparatus, the curing device includes a first curing mechanism and a second curing mechanism, and the first printing mechanism, the first curing mechanism, the second printing mechanism and the second curing mechanism are arranged in this order along a circumferential direction of the cylindrical surface.
As a preferable aspect of the above cylindrical surface printing apparatus, the cylindrical surface printing apparatus further includes:
first adjusting means for adjusting the distance of said first printing mechanism relative to the axis of said cylindrical surface.
As a preferable mode of the above cylindrical surface printing apparatus, the printing device further includes a third printing mechanism and a fourth printing mechanism, and the first printing mechanism, the second printing mechanism, the third printing mechanism and the fourth printing mechanism are uniformly distributed in a circumferential direction of the cylindrical surface.
As a preferable aspect of the above cylindrical surface printing apparatus, the cylindrical surface printing apparatus further includes a bearing mechanism, the bearing mechanism annularly surrounds the cylindrical surface, and the first printing mechanism, the second printing mechanism, the third printing mechanism, and the fourth printing mechanism are disposed on the bearing mechanism.
As a preferable aspect of the above cylindrical surface printing apparatus, the first printing mechanism, the second printing mechanism, the third printing mechanism, and the fourth printing mechanism are respectively used for printing C, M, Y, K color ink.
As a preferable aspect of the above cylindrical surface printing apparatus, the cylindrical surface printing apparatus further includes:
second adjustment means for adjusting the distance of said first printing mechanism relative to the axis of said cylindrical surface.
As a preferable aspect of the above cylindrical surface printing apparatus, the cylindrical surface printing apparatus further includes:
first drive means for driving the printing means relative to the cylindrical surface for movement along the axis of the cylindrical surface.
As a preferable aspect of the above cylindrical surface printing apparatus, the cylindrical surface printing apparatus further includes:
second drive means for driving axial movement of said rotary drive means along said cylindrical surface relative to said printing means.
To sum up, the embodiment of the present invention provides a cylindrical surface printing apparatus, wherein the first printing mechanism and the second printing mechanism are distributed along the circumference of the cylindrical surface, the nozzles of the first printing mechanism and the second printing mechanism face the cylindrical surface, the ink-jet direction of the nozzles of the first printing mechanism is perpendicular to the cylindrical surface, and the ink-jet direction of the nozzles of the second printing mechanism is perpendicular to the cylindrical surface. When the rotation driving device drives the cylindrical surface to rotate, the nozzles on the first printing mechanism and the second printing mechanism print the cylindrical surface in the process of rotating the cylindrical surface, so that the ink-jet printing on the cylindrical surface is realized.
Drawings
Fig. 1 is a schematic structural diagram of a cylindrical surface printing apparatus provided in embodiment 2 of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a cylindrical surface printing apparatus provided in embodiment 3 of the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
fig. 5 is a schematic structural diagram of a cylindrical surface printing apparatus provided in embodiment 4 of the present invention;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 5;
fig. 7 is a schematic view of the printing mechanism of fig. 6 after the distance from the cylindrical surface axis is adjusted by the second adjusting device.
Description of reference numerals:
100. a rotation driving device; 110. a first motor; 120. a chuck; 130. a first tip; 140. a second tip; 150. a slider; 200. a printing device; 210. a first printing mechanism; 220. a second printing mechanism; 230. a third printing mechanism; 240. a fourth printing mechanism; 300. a curing device; 310. a first curing mechanism; 320. a second curing mechanism; 330. a third curing mechanism; 340. a fourth curing mechanism; 400. a second adjusting device; 410. a guide bar; 420. a threaded rod; 430. a spring; 440. a third nut; 500. a first driving device; 510. a second motor; 520. a first lead screw; 530. a second lead screw; 600. a second driving device; 700. a carrying mechanism; 710. a first lead screw nut; 720. a second feed screw nut; 800. a cylindrical surface; 900. a fixed seat.
The direction of the arrow X is the axial direction of the cylindrical surface; the direction of the arrow Y is the circumferential direction of the cylindrical surface; d is the axis of the cylindrical surface.
Detailed Description
The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions, and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Example 1
Embodiment 1 provides a cylindrical surface printing apparatus, this cylindrical surface printing apparatus includes rotary drive device 100 and printing device 200, and rotary drive device 100 is used for driving cylindrical surface 800 and rotates. The printing apparatus 200 is used to print a cylindrical surface 800; the printing device 200 comprises a first printing mechanism 210 and a second printing mechanism 220, the first printing mechanism 210 and the second printing mechanism 220 being distributed along the circumference of the cylindrical surface 800, the nozzles on the first printing mechanism 210 and the second printing mechanism 220 being directed towards the cylindrical surface 800. The ink ejection direction of the nozzles on the first printing mechanism 210 is perpendicular to the cylindrical surface 800, and the ink ejection direction of the nozzles on the second printing mechanism 220 is perpendicular to the cylindrical surface 800.
In the embodiment, the rotation driving device 100 drives the cylindrical surface 800 to rotate, and the nozzles of the first and second printing mechanisms 210 and 220 print on the cylindrical surface 800 during the rotation of the cylindrical surface 800, so as to realize the inkjet printing on the cylindrical surface 800.
The cylindrical surface 800 in this embodiment refers to a circumferential surface of a cylinder or a surface that becomes cylindrical by being coated on the circumferential surface of the cylinder. The rotary driving device 100 is used for driving the cylindrical surface 800 to rotate around the axis of the cylindrical surface 800, and when the cylindrical surface 800 is the circumferential surface of a cylinder, the rotary driving device drives the circumferential surface of the cylinder to rotate; when the cylindrical surface 800 is a surface which is coated on the circumferential surface of the cylinder and becomes a cylindrical surface, the rotary driving device drives the cylinder to rotate, thereby driving the cylindrical surface 800 coated on the circumferential surface of the cylinder to rotate.
Example 2
As shown in fig. 1 and 2, embodiment 2 of the present invention provides a cylindrical surface printing apparatus including a rotary driving device 100 and a printing device 200, the rotary driving device 100 being configured to drive a cylindrical surface 800 to rotate. The rotation driving apparatus 100 in this embodiment includes a first motor 110 and a chuck 120, the chuck 120 may be a three-jaw chuck 120, an output shaft of the first motor 110 is coaxially and fixedly connected with the chuck 120, the chuck 120 holds the cylindrical surface 800, and the chuck 120 and the cylindrical surface 800 are driven to rotate by the rotation of the output shaft of the first motor 110. As shown in fig. 2, the printing apparatus 200 in the present embodiment includes a first printing mechanism 210 and a second printing mechanism 220, the first printing mechanism 210 and the second printing mechanism 220 are distributed along the circumferential direction of the cylindrical surface 800, and the nozzles on the first printing mechanism 210 and the second printing mechanism 220 face the cylindrical surface 800. The ink ejection direction of the nozzles on the first printing mechanism 210 is perpendicular to the cylindrical surface 800, and the ink ejection direction of the nozzles on the second printing mechanism 220 is perpendicular to the cylindrical surface 800.
In this embodiment, the output shaft of the first motor 110 rotates to drive the cylindrical surface 800 to rotate, and the nozzles of the first printing mechanism 210 and the second printing mechanism 220 print on the cylindrical surface 800 during the rotation of the cylindrical surface 800, so as to realize inkjet printing on the cylindrical surface 800.
Example 3
As shown in fig. 3 and 4, the cylindrical surface printing apparatus according to embodiment 3 of the present invention is improved on the basis of embodiment 2, and specifically, the cylindrical surface printing apparatus according to this embodiment further includes a curing device 300, a second driving device 600, and a fixing base 900. In this embodiment, the second driving device 600 is a cylinder, and the cylinder is fixedly installed on the fixing base 900. Meanwhile, the lower portion of the first motor 110 is fixedly connected with a sliding block 150, and the sliding block 150 is slidably connected with a sliding slot on the fixed seat 900, so that the first motor 110 and the sliding block can move along the axial direction of the cylindrical surface 800. Meanwhile, the piston end of the cylinder is fixedly connected to the slide block 150, and the first motor 110 and the cylindrical surface 800 are driven to move along the axial direction of the cylindrical surface 800 by the extension and contraction of the piston end of the cylinder.
As shown in fig. 4, the printing apparatus 200 in the present embodiment further includes a third printing mechanism 230 and a fourth printing mechanism 240, wherein the first printing mechanism 210, the second printing mechanism 220, the third printing mechanism 230, and the fourth printing mechanism 240 are respectively used for printing C, M, Y, K color ink. The curing device 300 is used for curing ink printed on the cylindrical surface 800, and the curing device 300 includes a first curing mechanism 310, a second curing mechanism 320, a third curing mechanism 330 and a fourth curing mechanism 340, wherein the first printing mechanism 210, the first curing mechanism 310, the second printing mechanism 220, the second curing mechanism 320, the third printing mechanism 230, the third curing mechanism 330, the fourth printing mechanism 240 and the fourth curing mechanism 340 are uniformly arranged along the circumference of the cylindrical surface 800. As shown in fig. 4, the first motor 110 drives the cylindrical surface 800 to rotate clockwise, and the cylindrical surface 800 sequentially passes through the first printing mechanism 210, the second printing mechanism 220, the third printing mechanism 230, and the fourth printing mechanism 240, and the nozzles of the first printing mechanism 210, the second printing mechanism 220, the third printing mechanism 230, and the fourth printing mechanism 240 print on the cylindrical surface 800. During printing, the extension and retraction of the piston end of the cylinder drives the cylindrical surface 800 to move axially, and the cylindrical surface 800 is sequentially printed by each printing mechanism axially. The ink ejected from the nozzles of the first printing mechanism 210 is cured by the first curing mechanism 310, the ink ejected from the nozzles of the second printing mechanism 220 is cured by the second curing mechanism 320, the ink ejected from the nozzles of the third printing mechanism 230 is cured by the third curing mechanism 330, and the ink ejected from the nozzles of the fourth printing mechanism 240 is cured by the fourth curing mechanism 340.
Example 4
As shown in fig. 5 and 6, embodiment 4 of the present invention provides a cylindrical surface printing apparatus, which includes a rotary driving device 100, a printing device 200, a curing device 300, a first driving device 500, a bearing mechanism 700, and a fixing base 900. In this embodiment, the rotation driving device 100 includes a first motor 110, a first tip 130 and a second tip 140, the first motor 110 is fixedly connected to the fixing seat 900, an output shaft of the first motor 110 is coaxially and fixedly connected to the first tip 130, the first tip 130 and the second tip 140 are respectively supported at two ends of the cylindrical surface 800, and the second tip 140 is rotatably connected to the fixing seat 900; the first centre 130, the cylindrical surface 800, is rotated by the rotation of the output shaft of the first motor 110.
As shown in fig. 6, the supporting mechanism 700 is ring-shaped, and the supporting mechanism 700 is disposed on the outer portion of the cylindrical surface 800, and the supporting mechanism 700 is disposed coaxially with the cylindrical surface 800. The printing apparatus 200 includes a first printing mechanism 210, a second printing mechanism 220, a third printing mechanism 230, and a fourth printing mechanism 240, wherein the first printing mechanism 210, the second printing mechanism 220, the third printing mechanism 230, and the fourth printing mechanism 240 are respectively used for printing C, M, Y, K color ink. The curing device 300 is used for curing ink printed on the cylindrical surface 800, and the curing device 300 includes a first curing mechanism 310, a second curing mechanism 320, a third curing mechanism 330 and a fourth curing mechanism 340, wherein the first printing mechanism 210, the first curing mechanism 310, the second printing mechanism 220, the second curing mechanism 320, the third printing mechanism 230, the third curing mechanism 330, the fourth printing mechanism 240 and the fourth curing mechanism 340 are uniformly arranged along the circumference of the cylindrical surface 800.
The nozzles on the first 210, second 220, third 230, and fourth 240 print mechanisms face the cylindrical surface 800. The ink ejection direction of the nozzles of the first printing mechanism 210 is perpendicular to the cylindrical surface 800, the ink ejection direction of the nozzles of the second printing mechanism 220 is perpendicular to the cylindrical surface 800, the ink ejection direction of the nozzles of the third printing mechanism 230 is perpendicular to the cylindrical surface 800, and the ink ejection direction of the nozzles of the fourth printing mechanism 240 is perpendicular to the cylindrical surface 800. In the present embodiment, the first curing mechanism 310, the second curing mechanism 320, the third curing mechanism 330 and the fourth curing mechanism 340 are UV lamps or mercury lamps, and curing light emitted from the first curing mechanism 310, the second curing mechanism 320, the third curing mechanism 330 and the fourth curing mechanism 340 is directed toward the cylindrical surface 800. The ink ejection direction of the nozzles of the first printing mechanism 210 is perpendicular to the cylindrical surface 800, the ink ejection direction of the nozzles of the second printing mechanism 220 is perpendicular to the cylindrical surface 800, the ink ejection direction of the nozzles of the third printing mechanism 230 is perpendicular to the cylindrical surface 800, and the ink ejection direction of the nozzles of the fourth printing mechanism 240 is perpendicular to the cylindrical surface 800. The first printing mechanism 210, the first curing mechanism 310, the second printing mechanism 220, the second curing mechanism 320, the third printing mechanism 230, the third curing mechanism 330, the fourth printing mechanism 240, and the fourth curing mechanism 340 are disposed between the cylindrical surface 800 and the carrying mechanism 700.
As shown in fig. 6, the first motor 110 drives the cylindrical surface 800 to rotate clockwise, and the cylindrical surface 800 sequentially passes through the first printing mechanism 210, the second printing mechanism 220, the third printing mechanism 230, and the fourth printing mechanism 240, and the nozzles of the first printing mechanism 210, the second printing mechanism 220, the third printing mechanism 230, and the fourth printing mechanism 240 print on the cylindrical surface 800. The ink ejected from the nozzles of the first printing mechanism 210 is cured by the first curing mechanism 310, the ink ejected from the nozzles of the second printing mechanism 220 is cured by the second curing mechanism 320, the ink ejected from the nozzles of the third printing mechanism 230 is cured by the third curing mechanism 330, and the ink ejected from the nozzles of the fourth printing mechanism 240 is cured by the fourth curing mechanism 340.
A first adjusting device for adjusting the distance of each curing mechanism with respect to the axis of the cylindrical surface 800 and a second adjusting device 400 for adjusting the distance of each printing mechanism with respect to the axis of the cylindrical surface 800 are provided on the above-mentioned carrier mechanism 700. The first adjusting device in the embodiment comprises a first adjusting mechanism, a second adjusting mechanism, a third adjusting mechanism and a fourth adjusting mechanism; a first adjustment mechanism is used to adjust the distance of the first curing mechanism 310 relative to the axis of the cylindrical surface 800, a second adjustment mechanism is used to adjust the distance of the second curing mechanism 320 relative to the axis of the cylindrical surface 800, a third adjustment mechanism is used to adjust the distance of the third curing mechanism 330 relative to the axis of the cylindrical surface 800, and a fourth adjustment mechanism is used to adjust the distance of the fourth curing mechanism 340 relative to the axis of the cylindrical surface 800. The second adjusting device 400 includes a fifth adjusting mechanism, a sixth adjusting mechanism, a seventh adjusting mechanism, and an eighth adjusting mechanism; a fifth adjustment mechanism for adjusting the distance of the first printing mechanism 210 relative to the axis of the cylindrical surface 800, a sixth adjustment mechanism for adjusting the distance of the second printing mechanism 220 relative to the axis of the cylindrical surface 800, a seventh adjustment mechanism for adjusting the distance of the third printing mechanism 230 relative to the axis of the cylindrical surface 800, and an eighth adjustment mechanism for adjusting the distance of the fourth printing mechanism 240 relative to the axis of the cylindrical surface 800.
As shown in fig. 6, the fifth adjusting mechanism includes a first threaded rod 420, a first spring 430, a third nut 440, and two first guide rods 410, one end of the first threaded rod 420 is fixedly connected to the first printing mechanism 210, an axial direction of the first threaded rod 420 is parallel to an ink ejection direction of the nozzle head on the first printing mechanism 210, the other end of the first threaded rod 420 passes through the bearing mechanism 700, a shaft section of the first threaded rod 420 that does not pass through the bearing mechanism 700 is sleeved with the first spring 430, and the first spring 430 is a compressed spring; a third nut 440 is screwed onto one end of the first threaded rod 420 that passes through the support mechanism 700. The two first guide rods 410 are respectively provided with two opposite sides of the first threaded rod 420, and the axes of the first guide rods 410 are parallel to the axes of the first threaded rod 420; first guide holes are formed in the support mechanism 700 opposite to the first guide rods 410, and a first guide rod 410 passes through one of the first guide holes and the first guide rod 410 slides in the first guide hole. The user may rotate the first threaded rod 420 along the axis of the first threaded rod 420 by turning the third nut 440, thereby adjusting the distance of the first printing mechanism 210 relative to the axis of the cylindrical surface 800; the first guide lever 410 guides the first printing mechanism 210 during the movement of the first printing mechanism 210.
In this embodiment, the structure of the sixth adjusting mechanism and the connection relationship between the sixth adjusting mechanism and the second printing mechanism 220 and the carrying mechanism 700 are the same as the structure of the fifth adjusting mechanism and the connection relationship between the fifth adjusting mechanism and the first printing mechanism 210 and the carrying mechanism 700; the structure of the seventh adjusting mechanism and the connection relationship between the seventh adjusting mechanism and the third printing mechanism 230 and the carrying mechanism 700 are the same as the structure of the fifth adjusting mechanism and the connection relationship between the fifth adjusting mechanism and the first printing mechanism 210 and the carrying mechanism 700; the structure of the eighth adjusting mechanism and the connection relationship between the eighth adjusting mechanism and the fourth printing mechanism 240 and the carrying mechanism 700 are the same as those of the fifth adjusting mechanism and the connection relationship between the fifth adjusting mechanism and the first printing mechanism 210 and the carrying mechanism 700. The user can screw the third nuts 440 of the fifth, sixth, seventh and eighth adjustment mechanisms, respectively, to adjust the distance of the first, second, third and fourth printing mechanisms 210, 220, 230, 240, respectively, from the axis of the cylindrical surface 800; after the adjustment of the distance, as shown in fig. 7, the printing apparatus 200 can print cylindrical surfaces 800 with different diameters by adjusting the distances of the first printing mechanism 210, the second printing mechanism 220, the third printing mechanism 230, and the fourth printing mechanism 240 with respect to the axis of the cylindrical surface 800.
As shown in fig. 6, the first adjusting mechanism includes a second threaded rod 420, a second spring 430, a fourth nut, and two second guide rods 410, one end of the second threaded rod 420 is fixedly connected to the first curing mechanism 310, the other end of the second threaded rod 420 passes through the bearing mechanism 700, a second spring 430 is sleeved on a shaft section of the second threaded rod 420 that does not pass through the bearing mechanism 700, and the second spring 430 is a compressed spring; a fourth nut is screwed onto the end of the second threaded rod 420 that passes through the support mechanism 700. The two second guide rods 410 are respectively provided with two opposite sides of the second threaded rod 420, and the axes of the second guide rods 410 are parallel to the axes of the second threaded rod 420; second guide holes are formed in the support mechanism 700 opposite to the second guide rods 410, and one second guide rod 410 passes through one second guide hole and the second guide rod 410 slides in the second guide hole. The user may rotate the fourth nut to move the second threaded rod 420 along the axis of the second threaded rod 420, thereby adjusting the distance between the first curing mechanism 310 and the axis of the cylindrical surface 800; the second guide bar 410 guides the first curing mechanism 310 during the movement of the first curing mechanism 310.
In this embodiment, the structure of the second adjusting mechanism and the connection relationship between the second adjusting mechanism and the second curing mechanism 320 and the carrying mechanism 700 are the same as the structure of the first adjusting mechanism and the connection relationship between the first adjusting mechanism and the first curing mechanism 310 and the carrying mechanism 700; the structure of the third adjusting mechanism and the connection relationship between the third adjusting mechanism and the third curing mechanism 330 and the carrying mechanism 700 are the same as those between the first adjusting mechanism and the first curing mechanism 310 and the carrying mechanism 700; the structure of the fourth adjusting mechanism and the connection relationship between the fourth adjusting mechanism and the fourth curing mechanism 340 and the carrying mechanism 700 are the same as the structure of the first adjusting mechanism and the connection relationship between the first adjusting mechanism and the first curing mechanism 310 and the carrying mechanism 700. The user can respectively screw the fourth nuts of the first, second, third and fourth adjusting mechanisms, thereby respectively adjusting the distances of the first, second, third and fourth curing mechanisms 310, 320, 330 and 340 relative to the axis of the cylindrical surface 800; after the adjustment of the distance, as shown in fig. 7, the curing device 300 may cure the ink printed on the cylindrical surfaces 800 with different diameters by adjusting the distances of the first curing mechanism 310, the second curing mechanism 320, the third curing mechanism 330 and the fourth curing mechanism 340 relative to the axis of the cylindrical surface 800.
As shown in fig. 6, a first lead screw nut 710 and a second lead screw nut 720 are respectively disposed on two opposite sides of the supporting mechanism 700, and the first lead screw nut 710 and the second lead screw nut 720 are respectively fixedly connected to the supporting mechanism 700. The lower end of the bearing mechanism 700 is fixedly connected with a sliding block, a sliding groove matched with the sliding block is arranged on the fixed seat 900, and the length direction of the sliding groove is parallel to the axial direction of the cylindrical surface 800; the slider is slidably connected in the sliding slot, so that the carrying mechanism 700 and the slider can slide in the sliding slot, and the printing device 200 and the curing device 300 on the carrying mechanism 700 move along the axial direction of the cylindrical surface 800 relative to the cylindrical surface 800. In this embodiment, the first driving device 500 includes a second motor 510, a third motor, a first lead screw 520 and a second lead screw 530, the second motor 510 and the third motor are fixedly connected to the fixing base 900, an output shaft of the second motor 510 is coaxially and fixedly connected to the first lead screw 520, and an output shaft of the third motor is coaxially and fixedly connected to the second lead screw 530. Meanwhile, the first lead screw 520 is in threaded connection with the first lead screw nut 710, and the second lead screw 530 is in threaded connection with the second lead screw nut 720. The output shaft of the second motor 510 and the output shaft of the third motor rotate synchronously to drive the printing device 200 and the curing device 300 on the bearing mechanism 700 to move along the axial direction of the cylindrical surface 800 relative to the cylindrical surface 800, and the printing device 200 on the bearing mechanism 700 sequentially prints on the cylindrical surface 800 along the axial direction.
It is to be understood that the invention is not limited to the particular arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications, and additions or change the order between the steps after comprehending the spirit of the present invention. These shall all be covered by the scope of protection of the present invention.

Claims (10)

1. A cylindrical surface printing apparatus, characterized in that it comprises:
the rotation driving device is used for driving the cylindrical surface to rotate;
printing means for printing on said cylindrical surface; the printing device comprises a first printing mechanism and a second printing mechanism, wherein the first printing mechanism and the second printing mechanism are distributed along the circumferential direction of a cylindrical surface, nozzles on the first printing mechanism and the second printing mechanism face the cylindrical surface, the ink jetting direction of the nozzles on the first printing mechanism is perpendicular to the cylindrical surface, and the ink jetting direction of the nozzles on the second printing mechanism is perpendicular to the cylindrical surface.
2. The cylindrical surface printing apparatus according to claim 1, further comprising:
a curing device for curing the ink printed on the cylindrical surface.
3. The cylindrical surface printing apparatus according to claim 2, wherein the curing device includes a first curing mechanism and a second curing mechanism, the first printing mechanism, the first curing mechanism, the second printing mechanism, and the second curing mechanism being arranged in order in a circumferential direction of the cylindrical surface.
4. The cylindrical surface printing apparatus according to claim 3, further comprising:
first adjusting means for adjusting the distance of said first printing mechanism relative to the axis of said cylindrical surface.
5. The cylindrical surface printing apparatus according to claim 1, wherein the printing device further comprises a third printing mechanism and a fourth printing mechanism, the first printing mechanism, the second printing mechanism, the third printing mechanism and the fourth printing mechanism being equispaced along a circumference of the cylindrical surface.
6. The cylindrical surface printing apparatus according to claim 5, further comprising a carrier mechanism annularly surrounding the cylindrical surface, and wherein the first printing mechanism, the second printing mechanism, the third printing mechanism, and the fourth printing mechanism are provided on the carrier mechanism.
7. The cylindrical surface printing apparatus according to claim 5, wherein the first, second, third and fourth printing mechanisms are each for printing C, M, Y, K colors of ink.
8. The cylindrical surface printing apparatus according to any one of claims 1 to 7, further comprising:
second adjustment means for adjusting the distance of said first printing mechanism relative to the axis of said cylindrical surface.
9. The cylindrical surface printing apparatus according to claim 8, further comprising:
first drive means for driving the printing means relative to the cylindrical surface for movement along the axis of the cylindrical surface.
10. The cylindrical surface printing apparatus according to claim 8, further comprising:
second drive means for driving axial movement of said rotary drive means along said cylindrical surface relative to said printing means.
CN202120415189.6U 2021-02-25 2021-02-25 Cylindrical surface printing apparatus Active CN214522798U (en)

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CN202120415189.6U CN214522798U (en) 2021-02-25 2021-02-25 Cylindrical surface printing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120415189.6U CN214522798U (en) 2021-02-25 2021-02-25 Cylindrical surface printing apparatus

Publications (1)

Publication Number Publication Date
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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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