WO2019104994A1 - 一种喷头支架装置及具有该喷头支架装置的字符喷印机 - Google Patents

一种喷头支架装置及具有该喷头支架装置的字符喷印机 Download PDF

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Publication number
WO2019104994A1
WO2019104994A1 PCT/CN2018/090925 CN2018090925W WO2019104994A1 WO 2019104994 A1 WO2019104994 A1 WO 2019104994A1 CN 2018090925 W CN2018090925 W CN 2018090925W WO 2019104994 A1 WO2019104994 A1 WO 2019104994A1
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WO
WIPO (PCT)
Prior art keywords
hole
screw
sliding
plate
nozzle
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Application number
PCT/CN2018/090925
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English (en)
French (fr)
Inventor
叶金茂
成斌
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南京协辰电子科技有限公司
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Application filed by 南京协辰电子科技有限公司 filed Critical 南京协辰电子科技有限公司
Publication of WO2019104994A1 publication Critical patent/WO2019104994A1/zh

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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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet

Definitions

  • the present invention relates to inkjet printing technology, and more particularly to a nozzle holder device and a character printer having the same.
  • an inkjet printer prints an image or a character by ejecting ink droplets onto a printing medium through a head.
  • multiple nozzles must be synchronized on the carriage. It is necessary to provide adjustment means on the bracket to adjust the position and angle of the plurality of nozzles so that the plurality of nozzles can work simultaneously.
  • the Chinese patent document CN101863165A discloses a bracket device for an ink jet printer nozzle, which comprises a bottom plate on which two elongated strip-shaped holes are formed, one nozzle is directly disposed in one elongated hole, and the other nozzle is fixed on the mounting plate.
  • the mounting plate is slidably disposed in the other elongated hole, and an adjusting device connected to the mounting plate and disposed on the bottom plate for adjusting the position of the mounting plate in the elongated hole.
  • the adjustment device comprises a lateral adjustment assembly, a longitudinal adjustment assembly and a leveling assembly, wherein the lateral adjustment assembly is fixed on the bottom plate, the longitudinal adjustment assembly is disposed on the top of the lateral adjustment assembly, the leveling assembly is disposed on the top of the longitudinal adjustment assembly, and the leveling assembly
  • the connecting plate is connected to the side wall of the mounting plate by a vertically disposed connecting plate.
  • the lateral adjustment component comprises a fixing block fixed on the bottom plate, sliding the adjustment block disposed on the fixing block, the fixing block has two positioning posts on the top, and the adjusting block has two through holes, and the two through holes are respectively sleeved There is a gap between the two positioning posts and the fixed post, the first differential head passes through the side wall of the adjusting block against a positioning post, and the first elastic pin passes through the other side wall of the adjusting block Relying on another positioning post, when the first differential head is rotated, the adjusting block is moved relative to the fixed block, thereby driving the mounting plate in a lateral position.
  • the structure of the longitudinal adjustment assembly and the leveling assembly is the same as that of the lateral adjustment assembly.
  • the adjusting device for adjusting the position of the head since the adjusting device for adjusting the position of the head is integrated, when adjusting the position of the head in one direction, it is necessary to move the adjusting structure of the other direction of the adjusting head as a whole, which is inconvenient to operate; In the position, the mounting plate is connected to the leveling component of the adjusting device by only one connecting plate. Inevitably, during the process of adjusting the mounting plate, the mounting plate is tilted, resulting in low adjustment accuracy of the adjusting device. In addition, the structure of the adjusting device is complicated, and it is inconvenient to operate and manufacture. Moreover, many nozzle holder adjustments are cumbersome and it is difficult to achieve a nozzle of the first nozzle and a nozzle of the second nozzle offset by 35 um after the two nozzles are docked.
  • a nozzle holder device and a character printer having the nozzle holder device are provided.
  • a nozzle holder device comprising:
  • the bottom plate is provided with at least two sets of chutes, and the long strip holes are respectively opened in the chute, and a UVLED lamp mounting groove is opened between each set of elongated holes, and the UVLED lamps are one-to-one correspondingly installed in the UVLED lamp mounting slot. ;
  • At least four first adjustment components are mounted in the bottom plate chute, each of the first adjustment components includes a sliding plate and a first adjustment structure, and the first adjustment structure is used to separately adjust the nozzles in the strip a sliding position along the length of the elongated hole in the shaped hole;
  • each second adjusting component comprises a rotating fixing plate and a second adjusting structure, and the rotating fixing plate is rotatably disposed on the sliding plate
  • the nozzles are fixed to the rotating fixing plate one by one, and the bottom of the liquid discharging opening protrudes into the elongated hole; the second adjusting structure is used for separately adjusting the angle of rotation of the nozzle.
  • the first adjusting structure comprises a first screw fixing bracket fixed in the bottom sliding slot and located at the top edge of the elongated hole, a fixing nut fixed on the top edge of the sliding plate and opposite to the first screw fixing frame, and wearing
  • the long screw of the first screw fixing bracket is connected to the fixing nut, and the rotation of the long stroke adjusting screw can drive the fixing nut to slide toward or away from the first screw holder, and lock the fixing nut in the sliding position.
  • the fixing nut has an L-shaped shape, and a first threaded hole is horizontally opened on a vertical side thereof along a longitudinal direction of the elongated hole, and a second threaded hole is vertically opened on the lateral side thereof for fixing the fixing nut
  • the long stroke adjusting screw comprises a screw threaded on the first screw fixing frame, the outer wall surface of the screw has a thread matched with the first threaded hole; the screw has two stoppers protrudingly formed, and the two stoppers are respectively tightly closed Abutting against the two side wall faces of the first screw holder; the first screw holder has a "concave” shape, and the bottom of the "concave” groove has a third threaded hole through which the screw passes, two A vertical fourth threaded hole is provided on the boss, and the two stoppers are respectively closely abutted against the two side walls of the "concave” type block.
  • a sliding nut mounting avoidance hole and two positioning holes are formed on a top edge of the sliding plate, and one side edge of the first through hole on the sliding plate is provided with a rotating positioning pin.
  • the second adjustment structure comprises a second screw fixing bracket fixed to the top edge of the sliding plate, a sliding nut mounted on the top edge of the rotating fixing plate and opposite to the second screw fixing frame, and passing through the second screw fixing frame
  • a short stroke adjustment screw connected to the sliding nut, the short stroke adjustment screw rotation can drive the rotation fixing plate to rotate, adjust the rotation fixing plate to a desired angle, and lock the sliding nut in the sliding position.
  • the top edges of the two ends of the rotating fixing plate are provided with a first inclined waist hole and a second inclined waist hole, and the second inclined waist holes are a pair, and one side edge of the second through hole is provided Positioning the connecting portion;
  • the first inclined waist hole cooperates with the sliding nut mounting avoidance hole on the sliding plate, the positioning connecting portion cooperates with the rotating positioning pin on the sliding plate, and the rotating fixing plate can rotate around the rotating positioning pin;
  • the sliding nut comprises a rectangular block And a cylindrical rod integrated with the rectangular block;
  • a fifth threaded hole is formed on the side of the rectangular block perpendicular to the cylindrical rod, and the short stroke adjusting screw comprises a screw threaded on the second screw fixing frame, and the outer wall surface of the screw has a fifth thread
  • the thread of the hole is matched; two stoppers are protrudedly formed on the screw, and the two stoppers respectively abut against the two side wall surfaces of the second screw holder.
  • a stepped surface is formed between the elongated hole and the inner wall of the sliding slot, and each set of elongated holes are arranged side by side, and the two sets of elongated holes are staggered and arranged in parallel;
  • the sliding plate is overlapped on the step surface, and a reserved gap is formed between the sliding plate and the inner wall surface of the sliding slot.
  • the first through hole corresponding to the elongated hole is formed in the sliding plate, and the length of the first through hole is smaller than the elongated hole. length;
  • a second through hole opposite to the elongated hole is formed on the rotating fixing plate, the length of the second through hole is the same as the length of the first through hole, and the bottom of the spray head having the liquid discharge port sequentially passes through the second through hole and The first through hole extends into the elongated hole;
  • the two ends of the UVLED lamp are respectively provided with a connecting portion fixed to the UVLED lamp mounting slot along the length direction of the sliding slot; along the length direction of the sliding slot, the two ends of the nozzle are respectively fixed and fixed a first mounting portion and a second mounting portion of the board connection;
  • the first mounting portion has a V-shaped opening
  • the second mounting portion has an L-shaped notch
  • the rotating fixing plate is provided with two nozzle positioning pins, one nozzle positioning pin is inserted into the V-shaped opening, and the other nozzle is positioned The pin abuts against the inner wall surface of the L-shaped notch.
  • the nozzle holder device further includes a reinforcing rib disposed on both sides of the bottom plate along the width direction of the elongated hole, and a connecting plate disposed on one end portion of the bottom plate and located between the two reinforcing ribs.
  • a character printer includes:
  • the nozzle holder device disposed on the frame;
  • At least two sets of spray heads are mounted on the rotating fixed plate of the spray head support device.
  • the present invention has the advantages that the sliding position of the nozzle in the longitudinal direction of the elongated hole can be adjusted by separately operating the first adjusting structure to achieve the nozzle joint of the two nozzles. 35um, and fixed by screws; by separately operating the second adjustment structure, the sliding nut slides along the oblique waist hole of the rotating fixed plate, thereby adjusting the rotation angle of the nozzle around the rotating positioning pin, through the corresponding adjustment structure of each nozzle, The positions of the two nozzles in the elongated hole are parallel to each other and the nozzle spacing between the front end nozzle of the first nozzle and the front end of the second nozzle is adjusted to a margin of 0.002 um at 35 um; thereby improving the position of the adjusting structure on the nozzle in the elongated hole.
  • the UVLED lamp is installed between the two side-by-side nozzles, and the ink from the first nozzle can be pre-cured.
  • the second nozzle is sprayed in the same position, the ink droplets will not break up, and the character is smoothed, thereby achieving a one-pass mode and improving effectiveness.
  • the character printer of this structure has high adjustment precision, is easy to operate, and can set a plurality of nozzles on the bottom plate to improve the working efficiency of the inkjet printer.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • Figure 2 is a plan view of the present invention
  • Figure 3 is a schematic view of the structure of the bottom plate
  • Figure 4 is a schematic view of a first adjustment structure
  • Figure 5 is a schematic view showing the structure of a fixing nut
  • Figure 6 is a schematic structural view of a long stroke adjusting screw
  • Figure 7 is a schematic view showing the structure of the first screw fixing frame
  • Figure 8 is a schematic view of the structure of the skateboard
  • Figure 9 is a schematic view showing the installation of the rotating fixed plate and the second adjusting structure
  • Figure 10 is a schematic structural view of a rotating fixed plate
  • Figure 11 is a schematic structural view of a sliding nut
  • Figure 12 is a schematic structural view of a short stroke adjustment screw
  • Figure 13 is a schematic view showing the structure of a UVLED lamp
  • Figure 14 is a schematic view of the structure of the nozzle
  • Figure 15 is a schematic view showing the structure of the side reinforcing ribs.
  • orientations or positional relationships of the terms “center”, “upper”, “lower”, “vertical”, “horizontal”, “inside”, “outside”, etc. are based on The orientation or positional relationship shown in the drawings is merely for the convenience of the description of the present invention and the description of the present invention, and is not intended to indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as Limitations of the invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the embodiment provides a nozzle holder device, as shown in FIG. 1 to FIG.
  • the bottom plate 1 defines two sets of sliding slots 11 , and the elongated holes 12 are respectively formed in the sliding slot and form a stepped surface with the inner wall of the sliding slot; a UV LED lamp is installed between each set of elongated holes. a groove 13, each set of elongated holes are arranged side by side, and two sets of elongated holes are staggered and arranged in parallel;
  • the four first adjusting components are respectively corresponding to the elongated holes, and are installed in the bottom sliding slot.
  • Each of the first adjusting components comprises a sliding plate 21 and a first adjusting structure 22, and the sliding plate is overlapped on the step surface, and the sliding slot A predetermined gap is formed between the inner wall surfaces, and is slidable along the length of the bottom plate chute, and the first through hole 210 corresponding to the elongated hole is formed in the sliding plate, and the length of the first through hole is smaller than the length of the elongated hole;
  • the first adjusting structure is used for separately adjusting the sliding position of the sliding plate along the longitudinal direction of the elongated hole, thereby adjusting the sliding position of the nozzle in the longitudinal direction of the elongated hole in the elongated hole;
  • Each of the second adjusting components includes a rotating fixing plate 31 and a second adjusting structure 32.
  • the rotating fixing plate is rotatably disposed on the sliding plate.
  • a second through hole 310 is formed on the opposite side of the elongated hole, and the length of the second through hole is the same as the length of the first through hole; the nozzles 4 are fixed to the rotating fixed plate one by one, and have a liquid discharge port The bottom portion of the bottom through the second through hole and the first through hole extends into the elongated hole; the second adjusting structure is used for separately adjusting the angle of rotation of the rotating fixed plate, thereby adjusting the angle of rotation of the nozzle; the UV LED lamp 5 corresponds to one Installed in a UVLED lamp mounting slot for pre-curing ink.
  • the nozzle holder device divides the adjustment structure for adjusting the position of the nozzle in the elongated hole into a first adjustment component and a second adjustment component, and the first adjustment component is fixed on the bottom plate, including the slide plate 21 and the first adjustment structure 22,
  • the second adjusting component is mounted on the sliding plate, and comprises a rotating fixing plate 31 and a second adjusting structure 32, wherein the rotating fixing plate is rotatably mounted on the sliding plate, and the length of the long hole is adjusted in the elongated hole in the elongated hole
  • the sliding position is used, only the first adjustment structure can be operated.
  • the first adjustment structure is no longer operated, but the operation is performed separately.
  • Adjusting the structure to adjust the rotation angle of the nozzle in the elongated hole, and the lengths of the first through hole and the second through hole opened on the sliding plate and the rotating fixing plate are smaller than the length of the elongated hole, so that the second through hole and The length of the first through hole extending into the elongated hole is smaller than the length of the long hole, so that the sliding of the nozzle in the elongated hole is realized; and the corresponding adjustment structure of each nozzle makes two of each group Nozzle The elongated hole in the parallel position, thereby improving the adjustment mechanism adjusting process of the head in the elongated hole of the accuracy of the position adjustment and operation of a simplified structure, and to protect the head.
  • the UVLED lamp is arranged between each set of nozzles, so that the pre-cure of the first nozzle in each group of nozzles can be realized, so that when the second nozzle of the group is sprayed in the same position, the ink droplets are not broken up, reaching The character is rounded to achieve a one-pass print mode.
  • the first adjustment structure 22 includes a first screw holder 221 fixed in the bottom chute and located at the top edge of the elongated hole, fixed to the top edge of the slider and with the first screw a fixing nut 222 opposite to the fixing frame, and a long stroke adjusting screw 223 connected to the fixing nut through the first screw fixing frame, and the rotation of the long stroke adjusting screw can drive the fixing nut to slide toward or away from the first screw fixing frame to realize the movement of the sliding plate back and forth , so that the nozzle moves back and forth and locks the fixing nut in the sliding position.
  • the long stroke adjusting screw is screwed on the screw fixing bracket, and when the sliding position of the nozzle in the long hole along the longitudinal direction of the elongated hole needs to be adjusted, only the long stroke adjusting screw is needed to drive the fixing nut.
  • the position of the nozzle in the lengthwise direction of the elongated hole in the elongated hole can be changed, and the position of the nozzle in the elongated hole can be adjusted.
  • the fixing nut 222 has an L-shape, and a horizontal first threaded hole 2221 is formed on the vertical side along the longitudinal direction of the elongated hole, and a vertical second is formed on the lateral side.
  • a threaded hole 2222 is used to secure the retaining nut to the slide.
  • the long stroke adjusting screw 223 includes a screw 2231 which is disposed on the first screw fixing frame.
  • the outer wall surface of the screw has a thread matched with the first threaded hole; the screw has two stoppers 2232 protrudingly formed thereon.
  • the blocks are respectively closely abutted against the two side wall faces of the first screw holder.
  • the two stoppers are arranged to define the first screw holder between the two blocks so that the screw is fixedly connected with the first screw holder, and the first screw holder can move synchronously with the screw.
  • the first screw holder 221 has a "concave” shape, and the bottom of the “concave” groove has a third threaded hole 2211 through which the screw passes, and the two bosses 2212 are provided.
  • the top edge of the sliding plate is provided with a sliding nut mounting relief hole 211 and two positioning holes 212, and one side edge of the first through hole on the sliding plate is provided with a rotating positioning pin 213.
  • a pressing block 214 is further included, and the sliding plate is fixed to the bottom plate by the pressing block of the side when the head is adjusted by the long stroke adjusting screw.
  • the first adjustment structure described above may also be other sliding adjustment structures in the prior art, and only the adjustment function described above needs to be implemented.
  • the second adjustment structure 32 includes a second screw holder 321 fixed to the top edge of the slider, mounted on the top edge of the rotation fixing plate and coupled to the second screw holder 321
  • the opposite sliding nut 322 and the short stroke adjusting screw 323 connected to the sliding nut through the second screw fixing frame, the short stroke adjusting screw rotation can rotate the rotating fixing plate around the rotating positioning pin, and adjust the rotating fixing plate to the desired angle. Lock the slide nut in the sliding position.
  • the short stroke adjustment screw is screwed on the second screw holder, and when the rotation angle of the nozzle in the elongated hole needs to be adjusted, only the short stroke adjustment screw 323 is rotated to drive the rotary fixing plate clockwise or reverse
  • the angle required for the nozzle to rotate clockwise or counterclockwise in the long hole can be changed, and the rotation angle of the nozzle in the long hole can be adjusted.
  • the top edges of the two ends of the rotating fixing plate 31 are respectively provided with a first inclined waist hole 311 and a second inclined waist hole 312, and the second inclined waist holes are a pair, and the second One side edge of the through hole is provided with a positioning connecting portion 313, and the positioning connecting portion is provided with a rotating center hole 314.
  • the first oblique waist hole cooperates with the sliding nut mounting avoidance hole on the sliding plate, and the sliding nut can slide freely in the first oblique waist hole.
  • the structure is used for fixing the rotating fixing plate. After the angle of the rotating fixing plate is adjusted, the sliding nut is passed through the first inclined waist hole to fix the sliding plate below it.
  • the sliding nut 322 includes a rectangular block 3221 and a cylindrical rod 3222 integrated with the rectangular block;
  • a fifth threaded hole 3223 is defined in a side of the rectangular block perpendicular to the cylindrical rod.
  • the short stroke adjusting screw 323 includes a screw 3231 which is disposed on the screw fixing frame, and the outer wall surface of the screw has a matching with the fifth threaded hole. Threaded on the screw; two stoppers 3232 are formed on the screw, and the two stoppers respectively abut against the two side walls of the second screw holder.
  • the two stops are arranged to define a second screw mount between the two stops so that the screw is fixedly coupled to the second screw mount, and the second screw mount is capable of synchronous movement with the screw.
  • the screw can be rotated to change the depth of the thread on the screw and the fifth threaded hole on the sliding nut, so that the first sliding nut can be placed along the rotating plate.
  • the inclined waist hole slides, thereby driving the rotating fixing plate to rotate clockwise or counterclockwise around the rotating positioning pin in the elongated hole.
  • the thread on the screw is directly locked in the fifth threaded hole of the sliding nut. .
  • the second screw holder 321 has the same shape as the first screw holder 221 and has a "concave” shape, and the bottom of the "concave” groove has a third threaded hole through which the screw passes, two The vertical bosses are provided with vertical fourth threaded holes, and the two stoppers are respectively closely abutted on the two side wall surfaces of the "concave” type block, and the structure facilitates mounting the screw through the opening of the concave block in the third threaded hole .
  • the second adjustment structure described above may also be other rotation adjustment structures in the prior art, and only the adjustment function described above needs to be implemented.
  • the two ends of the UVLED lamp are respectively provided with a connecting portion 51 fixed to the UVLED lamp mounting groove, and the connecting portion is fixed to the bottom plate by a pressing plate 52. .
  • the first mounting portion 41 and the second mounting portion 42 connected to the rotating fixed plate are respectively provided at both ends of the shower head along the longitudinal direction of the chute.
  • the first mounting portion 41 has a V-shaped opening
  • the second mounting portion 42 has an L-shaped notch
  • two rotating nozzle fixing pins 315 are disposed on the rotating fixing plate, one positioning post is inserted into the V-shaped opening, and the other is inserted into the V-shaped opening.
  • the positioning post abuts against the inner wall surface of the L-shaped notch.
  • the two positioning posts are respectively matched with the V-shaped opening and the L-shaped notch, and the position of the nozzle is positioned at a preset mounting position of the rotating fixing plate, so that the nozzle is mounted on the rotating fixing plate and aligned with the center of the rotating fixing plate.
  • the above-described head holder device further includes reinforcing ribs 6 disposed on both sides of the bottom plate along the width direction of the elongated holes, and disposed on one end portion of the bottom plate and on both sides
  • the connecting plate 7 between the vertical plates allows the spray head to be enclosed in the space of the two side vertical plates and the connecting plates to protect the components disposed on the bottom plate.
  • the weight reduction holes are formed in the two side panels so that the weight of the entire nozzle holder device is relatively light.
  • FIG. 3 there are four elongated holes on the bottom plate, wherein the two elongated holes are juxtaposed in a group, and the two groups are arranged in parallel and offset from each other, corresponding to The elongated holes are provided on the rotating fixed plate, and each of the nozzles corresponds to a first adjusting component and a second adjusting component.
  • first adjustment structure and the second adjustment structure are independently disposed, and both adjustment structures are disposed at one end of the bottom plate at the elongated hole, a plurality of sets of elongated holes may be disposed along the length direction or the width direction of the bottom plate, respectively.
  • the spacing between the two nozzles in the group can meet the required requirements, thereby realizing the setting of multiple nozzles, and the plurality of nozzles simultaneously perform inkjet printing work, thereby improving the working efficiency of the inkjet printer.
  • the above-mentioned elongated holes may also be six, eight, ten, twelve, fourteen, and the like.
  • the number of the nozzle, the slide plate, the first adjustment structure, the rotation fixing plate and the second adjustment structure are six, eight, ten, twelve, fourteen, and the like.
  • the number of the elongated holes, the shower head, the sliding plate, the first adjusting structure, the rotating fixing plate and the second adjusting structure are the same, and one-to-one correspondence.
  • At least four elongated holes are formed in the bottom plate, wherein the two elongated holes are arranged side by side, and the groups are arranged in a row or in parallel, through the first adjustment structure and
  • the second adjusting structure can make two nozzles of the same group juxtaposed; the nozzle, the sliding plate, the first adjusting structure, the rotating fixing plate and the second adjusting structure are at least four.
  • at least two sets of elongated holes can be two columns. It can also be three columns, four columns, five columns, etc., and each column has at least one set of elongated holes.
  • the chute is further formed with a mounting position 8 for mounting the camera, which is close to the starting end of the chute.
  • At least four spray heads are slidably mounted on the rotating fixed plate of the spray head support device.
  • the ink jet printer of the above structure adopts the head holder device provided in Embodiment 1, so that the ink jet printer has high adjustment precision and easy operation when adjusting the position of the head, and can set a plurality of nozzles on the bottom plate to improve The efficiency of inkjet printers.

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Abstract

一种喷头支架装置及具有该喷头支架装置的字符喷印机，包括：底板（1），其开设至少两组滑槽（11），长条形孔（12）一一对应的开设在滑槽（11）内，每组长条形孔（12）之间开设安装UVLED灯（5）的UVLED灯安装槽（13）。至少四个第一调节组件，其与长条形孔（12）一一对应安装在底板滑槽（11）内。第一调节组件用于单独调整喷头（4）在长条形孔（12）内沿长条形孔的长度方向的滑动位置。至少四个第二调节组件，其与长条形孔（12）一一对应设置在所述滑板（21）上，每个第二调节组件包括旋转固定板（31）和第二调节结构（32）。喷头（4）一一对应的固定在旋转固定板（31）上，第二调节结构（32）用于单独调整喷头（4）旋转的角度。

Description

一种喷头支架装置及具有该喷头支架装置的字符喷印机 技术领域
本发明涉及喷墨打印技术，特别是涉及一种喷头支架装置及具有该喷头支架装置的字符喷印机。
背景技术
现有技术中，喷墨打印机是通过喷头将墨滴喷射在打印介质上来实现图像或文字的打印，为提高喷墨打印机的工作效率，需要设置多个喷头来同时进行打印工作。但多个喷头在支架上必须保持同步的打印，就需要在支架上设置调节装置来对多个喷头的位置和角度进行调整，以使得多个喷头能够同时工作。
中国专利文献CN101863165A公开一种喷墨打印机喷头的支架装置，包括底板，底板上开设两个喷头长条形孔，一个喷头直接设置在一个长条形孔内，另一个喷头固定在安装板上，安装板可滑动地设置在另一个长条形孔内，以及与安装板连接并设置在底板上的调节装置，用于调整安装板在长条形孔内的位置。调节装置包括横向调节组件、纵向调节组件和调平组件，其中，横向调节组件固定在底板上，纵向调节组件设置在横向调节组件的顶部，调平组件设置在纵向调节组件的顶部，调平组件通过竖直设置的连接板与安装板的侧壁连接。
横向调节组件包括固定在底板上的固定块，滑动设置在固定块上的调节块，固定块的顶部上具有两个定位柱，调节块上有两个通孔，此两个通孔分别套设在两个定位柱上，并与固定柱之间存在间隙，第一微分头穿过调节块的侧壁抵靠在一个定位柱上，第一弹性柱销穿过调节块的另一侧壁抵靠在另一个定位柱上，在转动第一微分头时，使得调节块相对固定块移动，进而带动安装板在横向的位置。纵向调节组件和调平组件的结构与横向调节组件的结构相同。
但是，上述结构的支架装置，由于调整喷头位置的调节装置为一个整体，在调整喷头的一个方向位置时，需要将调节喷头其他方位的调节结构整体移动，不便于操作；同时，在调整喷头的位置时，仅靠一个连接板将安装板与调整装置的调平组件连接，不可避免地，在调整安装板过程中，会使得安装板出现倾斜现象，导致调整装置的调整精确度低。另外，调整装置的结构复杂，不便于操作和制备成本高。且许多喷头支架调节繁琐且很难达到两喷头对接后第一个喷头的喷嘴和第二喷头的喷嘴错开35um。
发明内容
发明目的：为解决现有技术的不足，提供一种喷头支架装置及具有该喷头支架装置的字符喷印机。
技术方案：一种喷头支架装置，包括：
底板，开设至少两组滑槽，长条形孔一一对应的开设在滑槽内，每组长条形孔之间开设一个UVLED灯安装槽，UVLED灯一一对应的安装在UVLED灯安装槽；
至少四个第一调节组件，与长条形孔一一对应，安装在底板滑槽内，每个第一调节组件包括滑板和第一调节结构，第一调节结构用于单独调整喷头在长条形孔内沿长条形孔的长度方向的滑动位置；
至少四个第二调节组件，与长条形孔一一对应，设置在所述滑板上，每个第二调节组件包括旋转固定板和第二调节结构，旋转固定板可旋转的设置在滑板上；喷头一一对应的固定在旋转固定板上，其具有喷液口的底部伸入长条形孔内；第二调节结构用于单独调整喷头旋转的角度。
进一步的，所述第一调节结构包括固定在底部滑槽内并位于长条形孔顶部边缘的第一螺钉固定架，固定在滑板顶部边缘并与第一螺钉固定架相对的固定螺母，以及穿过第一螺钉固定架连接于固定螺母的长行程调整螺钉，所述长行程调整螺钉旋转能够带动固定螺母朝向或远离第一螺钉固定架滑动，并将固定螺母锁定在滑动位置。
进一步的，所述固定螺母的形状为L形，沿长条形孔长度方向，其竖直边上水平开设第一螺纹孔，其横边上竖直开设第二螺纹孔用于将固定螺母固定在滑板上；长行程调整螺钉包括穿设在第一螺钉固定架上的螺杆，螺杆外壁面具有与第一螺纹孔配合的螺纹；螺杆上突出成型有两个挡块，两个挡块分别紧密地抵靠在第一螺钉固定架的两侧壁面上；所述第一螺钉固定架为“凹”形状，其“凹”形的凹槽底部开设供螺杆穿过的第三螺纹孔，两个凸台上设有竖直第四螺纹孔，所述两个挡块分别紧密抵靠在“凹”型块的两侧壁面上。
进一步的，所述滑板的顶部边缘开设滑动螺母安装避让孔和两个定位孔，滑板上第一通孔的一侧边缘设有旋转定位销。
更进一步的，所述第二调节结构包括固定在滑板顶部边缘的第二螺钉固定架，安装在旋转固定板顶部边缘并与第二螺钉固定架相对的滑动螺母，以及穿过第二螺钉固定架连接于滑动螺母的短行程调整螺钉，所述短行程调整螺钉旋转能够带动旋转固定板旋转，调 整旋转固定板到所需角度，并将滑动螺母锁定在滑动位置。
更进一步的，所述旋转固定板的两端顶部边缘设有第一斜腰圆孔和第二斜腰圆孔，第二斜腰圆孔为一对，第二通孔的一侧边缘设有定位连接部；第一斜腰圆孔与滑板上的滑动螺母安装避让孔配合，定位连接部与滑板上的旋转定位销配合，旋转固定板可绕旋转定位销旋转；所述滑动螺母包括矩形块和与矩形块一体的圆柱杆；矩形块上与圆柱杆垂直的侧面上开设第五螺纹孔，短行程调整螺钉包括穿设在第二螺钉固定架上的螺杆，螺杆外壁面具有与第五螺纹孔配合的螺纹；螺杆上突出成型有两个挡块，两个挡块分别紧密地抵靠在第二螺钉固定架的两侧壁面上。
进一步的，所述长条形孔与滑槽的内壁之间形成台阶面，每组长条形孔并列排列，且两组长条形孔之间错开平行设置；
所述滑板搭接在台阶面上，与滑槽的内壁面之间形成预留间隙，滑板上开设与长条形孔对应的第一通孔，该第一通孔的长度小于长条形孔的长度；
所述旋转固定板上开设与长条形孔相对的第二通孔，该第二通孔的长度与第一通孔的长度相同，喷头具有喷液口的底部依次穿过第二通孔和第一通孔伸入长条形孔内；
沿所述滑槽的长度方向，所述UVLED灯的两端分别设有与UVLED灯安装槽固定的连接部；沿所述滑槽的长度方向，所述喷头的两端分别设有与旋转固定板连接的第一安装部和第二安装部；
进一步的，所述第一安装部具有V型开口，第二安装部具有L型缺口；所述旋转固定板上设置两个喷头定位销，一个喷头定位销插入V型开口内，另一个喷头定位销抵靠在L型缺口的内壁面上。
进一步的，所述喷头支架装置还包括沿长条形孔的宽度方向，设置在底板两侧的加强筋，以及设置在底板一端部上并位于两加强筋之间的连接板。
另一实施例，一种字符喷印机，包括：
机架；
设置在所述机架上的所述的喷头支架装置；
至少两组喷头，安装在喷头支架装置的所述旋转固定板上。
有益效果：与现有技术相比，本发明的优点为：通过单独操作第一调节结构可调整喷头在长条形孔内沿长条形孔的长度方向的滑动位置，达到两个喷头喷嘴对接35um，并用螺丝固定锁紧；通过单独操作第二调节结构使滑动螺母沿旋转固定板上的斜腰圆孔方向滑 动，从而调整喷头绕旋转定位销旋转角度，通过每个喷头对应的调节结构，使得两个喷头在长条形孔内的位置处于相互平行且第一喷头最前端喷嘴与第二喷头最前端喷嘴间距调整在35um误差0.002um；从而提高调节结构对喷头在长条形孔内位置的调整精确度，和简化调节结构的操作过程。两个并排喷头之间安装UVLED灯，可以对第一个喷头出墨进行预固化，第二个喷头在喷同样位置时，墨滴不会打散，达到字符圆滑效果，从而达到一遍模式，提高效率。此结构的字符喷印机调整精度高，便于操作，并能够在底板上设置多个喷头，提高喷墨打印机的工作效率。
附图说明
图1是本发明整体结构示意图；
图2是本发明俯视图；
图3是底板结构示意图；
图4是第一调节结构示意图；
图5是固定螺母结构示意图；
图6是长行程调整螺钉结构示意图；
图7是第一螺钉固定架结构示意图；
图8是滑板结构示意图；
图9是旋转固定板和第二调节结构安装示意图；
图10是旋转固定板结构示意图；
图11是滑动螺母结构示意图；
图12是短行程调整螺钉结构示意图；
图13是UVLED灯结构示意图；
图14是喷头结构示意图；
图15是侧边加强筋结构示意图。
具体实施方式
下面结合附图对本发明的技术方案进行详细的说明。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、 仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
此外，下面所描述的本发明不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
实施例1：
本实施例提供一种喷头支架装置，如图1至图15所示，包括：
底板1，开设两组滑槽11，长条形孔12一一对应的开设在滑槽内，并与滑槽的内壁之间形成台阶面；每组长条形孔之间开设一个UVLED灯安装槽13，每组长条形孔并列排列，且两组长条形孔之间错开平行设置；
四个第一调节组件，与长条形孔一一对应，安装在底板滑槽内，每个第一调节组件包括滑板21和第一调节结构22，滑板搭接在台阶面上，与滑槽的内壁面之间形成预留间隙，可沿底板滑槽长度方向滑动，滑板上开设与长条形孔对应的第一通孔210，该第一通孔的长度小于长条形孔的长度；第一调节结构用于单独调整滑板沿长条形孔长度方向的滑动位置，进而调整喷头在长条形孔内沿长条形孔的长度方向的滑动位置；
四个第二调节组件，与长条形孔一一对应，设置在滑板上，每个第二调节组件包括旋转固定板31和第二调节结构32，旋转固定板可旋转的设置在滑板上，其上开设与长条形孔相对的第二通孔310，该第二通孔的长度与第一通孔的长度相同；喷头4一一对应的固定在旋转固定板上，其具有喷液口的底部依次穿过第二通孔和第一通孔伸入长条形孔内；第二调节结构用于单独调整旋转固定板旋转的角度，进而调整喷头旋转的角度；UVLED灯5一一对应的安装在UVLED灯安装槽，用于预固化油墨。
该喷头支架装置，将用于调整喷头在长条形孔内位置的调节结构分为第一调节组件和第二调节组件，第一调节组件固定在底板上包括滑板21和第一调节结构22，第二调节组件安装在滑板上，包括旋转固定板31和第二调节结构32，其中，旋转固定板可旋转的安装在滑板上，调整喷头在长条形孔内沿长条形孔的长度方向的滑动位置时，只需操作第一调节结构即可，当喷头在长条形孔内沿长条形孔的长度方向的位置调整好后，不再 操作第一调节结构，而是单独操作第二调节结构来调整喷头在长条形孔内的旋转角度，滑板和旋转固定板上开设的第一通孔和第二通孔的长度小于长条形孔的长度，使得经第二通孔和第一通孔伸入长条形孔内的喷头的长度小于长条形孔的长度，从而实现喷头在长条形孔内的滑动；通过每个喷头对应的调节结构，使得每组的两个喷头在长条形孔内的位置处于并列，从而提高调节结构对喷头在长条形孔内位置的调整精确度和简化调节结构的操作过程，并对喷头起到保护作用。同时，每组喷头之间设置UVLED灯，可以实现对每组喷头中的第一喷头出墨的预固化，这样当该组第二喷头在喷同样位置时，墨滴不会被打散，达到字符圆滑效果，从而实现一遍打印模式。
作为优选的实施方式，如图4所示，第一调节结构22包括固定在底部滑槽内并位于长条形孔顶部边缘的第一螺钉固定架221，固定在滑板顶部边缘并与第一螺钉固定架相对的固定螺母222，以及穿过第一螺钉固定架连接于固定螺母的长行程调整螺钉223，长行程调整螺钉旋转能够带动固定螺母朝向或远离第一螺钉固定架滑动，实现滑板前后移动，从而实现喷头前后移动，并将固定螺母锁定在滑动位置。
此实施方式中，长行程调整螺钉螺纹连接在螺钉固定架上，需要调整喷头在长条形孔内沿长条形孔的长度方向的滑动位置时，只需旋转长行程调整螺钉来驱动固定螺母带着滑板朝向或远离螺钉固定架滑动，就可改变喷头在长条形孔内沿长条形孔的长度方向的位置，便于调整喷头在长条形孔内的位置。
进一步优选的，如图5所示，固定螺母222的形状为L形，沿长条形孔长度方向，其竖直边上开设水平第一螺纹孔2221，其横边上开设竖直的第二螺纹孔2222用于将固定螺母固定在滑板上。如图6所示，长行程调整螺钉223包括穿设在第一螺钉固定架上的螺杆2231，螺杆外壁面具有与第一螺纹孔配合的螺纹；螺杆上突出成型有两个挡块2232，两个挡块分别紧密地抵靠在第一螺钉固定架的两侧壁面上。两个挡块的设置，将第一螺钉固定架限定在两个挡块之间，使得螺杆与第一螺钉固定架之间固定连接，第一螺钉固定架能够随着螺杆做同步运动。需要调整喷头在长条形孔内沿长条形孔的长度方向的位置时，只需旋转螺杆来改变螺杆上螺纹与固定螺母上的第一螺纹孔连接的深度，就可带着固定螺母和滑板在长条形孔内滑动，滑动到所需位置时，螺杆上的螺纹直接锁定在固定螺母的第一螺纹孔内。
进一步优选的，如图7所示，第一螺钉固定架221为“凹”形状，其“凹”形的凹槽底部开设供螺杆穿过的第三螺纹孔2211，两个凸台2212上设有竖直第四螺纹孔2213，两 个挡块分别紧密抵靠在“凹”型块的两侧壁面上，该结构便于将螺杆经凹型块的开口安装在第三螺纹孔内。
进一步优选的，如图8所示，滑板的顶部边缘开设滑动螺母安装避让孔211和两个定位孔212，滑板上第一通孔的一侧边缘设有旋转定位销213。
更进一步的，如图2所示，还包括压块214，当喷头通过长行程调整螺钉调好位置通过侧边的压块将滑板与底板进行固定。
作为变形，上述的第一调节结构还可以为现有技术中的其他滑动调节结构，只需要实现上述的调节功能即可。
作为第二调节结构的优选实施方式，如图9所示，第二调节结构32包括固定在滑板顶部边缘的第二螺钉固定架321，安装在旋转固定板顶部边缘并与第二螺钉固定架321相对的滑动螺母322，以及穿过第二螺钉固定架连接于滑动螺母的短行程调整螺钉323，短行程调整螺钉旋转能够带动旋转固定板绕旋转定位销旋转，调整旋转固定板到所需角度，并将滑动螺母锁定在滑动位置。
此实施方式中，短行程调整螺钉螺纹连接在第二螺钉固定架上，需要调整喷头在长条形孔内的旋转角度时，只需旋转短行程调整螺钉323来驱动旋转固定板顺时针或逆时针旋转，就可改变喷头在长条形孔内顺时针或逆时针旋转所需角度，便于调整喷头在长条形孔内的旋转角度。通过调整每个喷头的第二调节结构，使得多个喷头均能够处于相互平行的状态。
进一步优选的，如图10所示，旋转固定板31的两端顶部边缘分别设有第一斜腰圆孔311和第二斜腰圆孔312，第二斜腰圆孔为一对，第二通孔的一侧边缘设有定位连接部313，定位连接部上开有旋转中心孔314。第一斜腰圆孔与滑板上的滑动螺母安装避让孔配合，且可使滑动螺母在第一斜腰圆孔内滑动自如。该结构用于固定旋转固定板，当旋转固定板角度调整好后，通过滑动螺母穿过此第一斜腰圆孔固定在其下方的滑板上。定位连接部上的旋转中心孔与滑板上的旋转定位销配合，旋转固定板可绕旋转定位销旋转；如图11所示，滑动螺母322包括矩形块3221和与矩形块一体的圆柱杆3222；矩形块上与圆柱杆垂直的侧面上开设第五螺纹孔3223，如图12所示，短行程调整螺钉323包括穿设在螺钉固定架上的螺杆3231，螺杆外壁面具有与第五螺纹孔配合的螺纹；螺杆上突出成型有两个挡块3232，两个挡块分别紧密地抵靠在第二螺钉固定架的两侧壁面上。两个挡块的设置，将第二螺钉固定架限定在两个挡块之间，使得螺杆与第二螺钉固定架之间固 定连接，第二螺钉固定架能够随着螺杆做同步运动。需要调整喷头在长条形孔内的旋转角度时，只需旋转螺杆来改变螺杆上螺纹与滑动螺母上的第五螺纹孔连接的深度，就可带着滑动螺母沿旋转固定板上的第一斜腰圆孔滑动，进而带动旋转固定板在长条形孔内绕旋转定位销顺时针或逆时针旋转，旋转到所需位置时，螺杆上的螺纹直接锁定在滑动螺母的第五螺纹孔内。
进一步优选的，第二螺钉固定架321的形状与第一螺钉固定架221的形状相同，为“凹”形状，其“凹”形的凹槽底部开设供螺杆穿过的第三螺纹孔，两个凸台上设有竖直第四螺纹孔，两个挡块分别紧密抵靠在“凹”型块的两侧壁面上，该结构便于将螺杆经凹型块的开口安装在第三螺纹孔内。
作为变形，上述的第二调节结构还可以为现有技术中的其他转动调节结构，只需要实现上述的调节功能即可。
作为UVLED灯的优选实施方式，如图13所示，沿滑槽的长度方向，UVLED灯的两端分别设有与UVLED灯安装槽固定的连接部51，该连接部通过一个压板52与底板固定。
作为进一步优选的实施方式，如图14所示，沿滑槽的长度方向，喷头的两端分别设有与旋转固定板连接的第一安装部41和第二安装部42。
更佳优选地，上述的第一安装部41具有V型开口，第二安装部42具有L型缺口；旋转固定板上设置两个喷头定位销315，一个定位柱插入V型开口内，另一个定位柱抵靠在L型缺口的内壁面上。通过两个定位柱分别与V型开口和L型缺口配合，将喷头的位置定位在旋转固定板的预设安装位置处，便于将喷头安装在旋转固定板上，并与旋转固定板的中心对齐，使得通过调整旋转固定板的位置，进而实现对喷头在长条形孔内的旋转角度调整。当更换新的喷头时，无需再调节喷头前后及角度，只需要通过此喷头定位销固定，在通过喷头上的两螺钉孔锁紧即可。
进一步优选地，如图1和图15所示，上述的喷头支架装置还包括沿长条形孔的宽度方向，设置在底板两侧的加强筋6，以及设置在底板一端部上并位于两侧立板之间的连接板7，使得喷头被围在两个侧立板和连接板的空间内，对底板上设置的部件起到保护作用。更佳优选地，两个侧立板上开设减重孔，使得整个喷头支架装置的重量相对轻。
作为更佳优选的实施方式，如图3所示，底板上的长条形孔为四个，其中，两个长条形孔并列为一组，两组之间平行且相互错开设置，对应于长条形孔在旋转固定板上设置喷头，每个喷头对应着一个第一调节组件和第二调节组件。由于第一调节结构和第二调整 结构独立设置，并且两个调节结构都设置在底板的位于长条形孔的一端，使得沿底板的长度方向或宽度方向可以设置多组长条形孔，各组内的两个喷头的间距能够满足所需要求，从而实现设置多个喷头，多个喷头同时进行喷墨打印工作，提高喷墨打印机的工作效率。
作为变形，上述的长条形孔还可以为六个、八个、十个、十二个、十四个等等。对应地，喷头、滑板、第一调节结构、旋转固定板和第二调节结构的个数均为六个、八个、十个、十二个、十四个等等。总之，长条形孔、喷头、滑板、第一调节结构、旋转固定板和第二调节结构的设置数量均相同，且一一对应。
最佳地，底板上的长条形孔至少为四个，其中，两个长条形孔为一组并列设置，各组之间位于一列或是平行错开设置，通过上述的第一调节结构和第二调节结构能够使同一组的两个喷头并列；喷头、滑板、第一调节结构、旋转固定板和第二调节结构均至少为四个，其实，至少两组长条形孔可以为两列，还可以为三列、四列、五列等等，每一列上至少有一组长条形孔即可。
优选地，如图3所示，滑槽上还成型有安装相机的安装位置8，该安装位置靠近滑槽的起始端。
实施例2：
本实施例提供一种喷墨打印机，包括：
机架；
设置在机架上的上述任一项的喷头支架装置；
至少四个喷头，喷头可滑动地安装在喷头支架装置的旋转固定板上。
上述结构的喷墨打印机，由于采用实施例1中提供的喷头支架装置，使得该喷墨打印机在调整喷头的位置时，调整精确度高和便于操作，并能够在底板上设置多个喷头，提高喷墨打印机的工作效率。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims (10)

  1. 一种喷头支架装置，其特征在于，包括：
    底板(1)，开设至少两组滑槽(11)，长条形孔(12)一一对应的开设在滑槽内，每组长条形孔之间开设一个UVLED灯安装槽(13)，UVLED灯(5)一一对应的安装在UVLED灯安装槽；
    至少四个第一调节组件，与长条形孔一一对应，安装在底板滑槽内，每个第一调节组件包括滑板(21)和第一调节结构(22)，第一调节结构用于单独调整喷头在长条形孔内沿长条形孔的长度方向的滑动位置；
    至少四个第二调节组件，与长条形孔一一对应，设置在所述滑板上，每个第二调节组件包括旋转固定板(31)和第二调节结构(32)，旋转固定板可旋转的设置在滑板上；喷头(4)一一对应的固定在旋转固定板上，其具有喷液口的底部伸入长条形孔内；第二调节结构用于单独调整喷头旋转的角度。
  2. 根据权利要求1所述的喷头支架装置，其特征在于：所述第一调节结构包括固定在底部滑槽内并位于长条形孔顶部边缘的第一螺钉固定架(221)，固定在滑板顶部边缘并与第一螺钉固定架相对的固定螺母(222)，以及穿过第一螺钉固定架连接于固定螺母的长行程调整螺钉(223)，所述长行程调整螺钉旋转能够带动固定螺母朝向或远离第一螺钉固定架滑动，并将固定螺母锁定在滑动位置。
  3. 根据权利要求2所述的喷头支架装置，其特征在于：所述固定螺母的形状为L形，沿长条形孔长度方向，其竖直边上水平开设第一螺纹孔(2221)，其横边上竖直开设第二螺纹孔(2222)用于将固定螺母固定在滑板上；长行程调整螺钉包括穿设在第一螺钉固定架上的螺杆(2231)，螺杆外壁面具有与第一螺纹孔配合的螺纹；螺杆上突出成型有两个挡块(2232)，两个挡块分别紧密地抵靠在第一螺钉固定架的两侧壁面上；所述第一螺钉固定架为“凹”形状，其“凹”形的凹槽底部开设供螺杆穿过的第三螺纹孔(2211)，两个凸台(2212)上设有竖直第四螺纹孔(2213)，所述两个挡块分别紧密抵靠在“凹”型块的两侧壁面上。
  4. 根据权利要求3所述的喷头支架装置，其特征在于：所述滑板的顶部边缘开设滑动螺母安装避让孔(211)和两个定位孔(212)，滑板上第一通孔的一侧边缘设有旋转定位销(213)。
  5. 根据权利要求2-4中任一项所述的喷头支架装置，其特征在于：所述第二调节结构包括固定在滑板顶部边缘的第二螺钉固定架(321)，安装在旋转固定板顶部边缘并与第二螺钉固定架相对的滑动螺母(322)，以及穿过第二螺钉固定架连接于滑动螺母的短行程调整螺钉(323)，所述短行程调整螺钉旋转能够带动旋转固定板旋转，调整旋转固定板到所需角度，并将滑动螺母锁定在滑动位置。
  6. 根据权利要求5所述的喷头支架装置，其特征在于：所述旋转固定板的两端顶部边缘设有第一斜腰圆孔(311)和第二斜腰圆孔(312)，第二斜腰圆孔为一对，第二通孔的一侧边缘设有定位连接部(313)；第一斜腰圆孔与滑板上的滑动螺母安装避让孔配合，定位连接部与滑板上的旋转定位销配合，旋转固定板可绕旋转定位销旋转；所述滑动螺母包括矩形块(3221)和与矩形块一体的圆柱杆(3222)；矩形块上与圆柱杆垂直的侧面上开设第五螺纹孔(3223)，短行程调整螺钉包括穿设在第二螺钉固定架上的螺杆(3231)，螺杆外壁面具有与第五螺纹孔配合的螺纹；螺杆上突出成型有两个挡块(3232)，两个挡块分别紧密地抵靠在第二螺钉固定架的两侧壁面上。
  7. 根据权利要求1-6任一项所述的喷头支架装置，其特征在于：所述长条形孔与滑槽的内壁之间形成台阶面，每组长条形孔并列排列，且两组长条形孔之间错开平行设置；
    所述滑板搭接在台阶面上，与滑槽的内壁面之间形成预留间隙，滑板上开设与长条形孔对应的第一通孔，该第一通孔的长度小于长条形孔的长度；
    所述旋转固定板上开设与长条形孔相对的第二通孔，该第二通孔的长度与第一通孔的长度相同，喷头具有喷液口的底部依次穿过第二通孔和第一通孔伸入长条形孔内；沿所述滑槽的长度方向，所述UVLED灯的两端分别设有与UVLED灯安装槽固定的连接部(51)；
    沿所述滑槽的长度方向，所述喷头的两端分别设有与旋转固定板连接的第一安装部(41)和第二安装部(42)；
  8. 根据权利要求7所述的喷头支架装置，其特征在于：所述第一安装部具有V型开口，第二安装部具有L型缺口；所述旋转固定板上设置两个喷头定位销(315)，一 个喷头定位销插入V型开口内，另一个喷头定位销抵靠在L型缺口的内壁面上。
  9. 根据权利要求8所述的喷头支架装置，其特征在于：所述喷头支架装置还包括沿长条形孔的宽度方向，设置在底板两侧的加强筋(6)，以及设置在底板一端部上并位于两加强筋之间的连接板。
  10. 一种字符喷印机，其特征在于，包括：
    机架；
    设置在所述机架上的如权利要求1-9中任一项所述的喷头支架装置；
    至少两组喷头，安装在喷头支架装置的所述旋转固定板上。
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