CN218140527U

CN218140527U - Screen printing machine

Info

Publication number: CN218140527U
Application number: CN202221929583.2U
Authority: CN
Inventors: 刘二庆; 徐磊松; 李世明; 高亮
Original assignee: SHENZHEN KUNHONG PRINTING CO Ltd
Current assignee: SHENZHEN KUNHONG PRINTING CO Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-27
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a silk screen printing machine relates to lithography apparatus technical field, wherein, the silk screen printing machine includes: the ink jet printing device comprises a rack, an ink jet assembly and an ink scraping assembly; the ink-jet component comprises a first driving structure, an ink-jet piece and an ink supply piece, wherein the ink-jet piece is movably connected to the rack, the first driving structure is arranged on the rack and is connected to the ink-jet piece in a driving mode so as to drive the ink-jet piece to move along the transverse direction of the rack, the ink-jet piece is provided with an ink storage tank and a nozzle communicated with the ink storage tank, the ink outlet quantity of the nozzle is adjustable, and the ink supply piece is fixedly connected to the rack and is communicated with the ink storage tank through a connecting pipe so as to supply ink to the ink storage tank; the ink scraping assembly comprises a scraping plate, the second driving structure is connected to the rack, and the second driving structure drives the scraping plate to move along the longitudinal direction of the rack. The utility model discloses technical scheme aims at optimizing the interpolation mode of printing ink, promotes the silk screen printing effect.

Description

Screen printing machine

Technical Field

The utility model relates to a lithography apparatus technical field, in particular to silk screen printing machine.

Background

The screen printing mainly works by using the principle that the meshes of the image-text part are full of ink, but the non-image-text part is not full of ink, the existing common screen printing is to pour ink into a screen printing plate, a scraping plate is used for applying certain pressure to move back and forth on a plate frame, so that the ink is forced to be extruded out of the meshes and is printed on a paperboard, but the existing mode of pouring the ink into the screen printing plate easily causes uneven distribution of the ink on the printing plate, and the screen printing effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a silk screen printing machine aims at optimizing the interpolation mode of printing ink, promotes the silk screen printing effect.

In order to achieve the above objects, the utility model provides a screen printing machine, include:

a frame;

the ink-jet component comprises a first driving structure, an ink-jet piece and an ink-supply piece, wherein the ink-jet piece is movably connected to the rack, the first driving structure is arranged on the rack and is connected to the ink-jet piece in a driving manner so as to drive the ink-jet piece to move along the transverse direction of the rack, the ink-jet piece is provided with an ink storage tank and a nozzle communicated with the ink storage tank, the ink outlet quantity of the nozzle is adjustable, and the ink-supply piece is fixedly connected to the rack and is communicated with the ink storage tank through a connecting pipe so as to supply ink to the ink storage tank; and

the ink scraping assembly comprises a second driving structure and a scraping plate, wherein the scraping plate is movably connected with the rack, the second driving structure is arranged on the rack, and the second driving structure is connected with the scraping plate in a driving mode so as to drive the scraping plate to move longitudinally of the rack.

Optionally, the inkjet part includes an ink storage portion, the ink storage portion is formed with the ink storage groove and an ink outlet communicated with the ink storage groove, the nozzle includes a first fixing ring and a rotary plate, an inner diameter of the first fixing ring is smaller than a radius of the rotary plate, the first fixing ring is provided with a rotary shaft protruding towards the ink storage portion and is fixedly connected to the ink storage portion through the rotary shaft, a shaft hole is formed through a center position of the rotary plate, and the rotary shaft penetrates through the shaft hole and is fixedly connected with an outer side of the ink storage portion, so that the rotary plate can be rotatably connected to the rotary shaft;

the carousel is still seted up a plurality of through-holes at the interval arrangement in circumference, and is a plurality of the aperture size of through-hole is not of uniform size, the ink outlet alternative the through-hole is relative, first solid fixed ring's ring hole is relative the ink outlet sets up.

Optionally, the outer circumference circle of carousel is arranged and is equipped with a plurality of tooth protruding structures, the outside of inkjet piece is fixed with first motor, the output shaft fixedly connected with connecting gear of first motor, connecting gear with tooth protruding structure intermeshing.

Optionally, the nozzle still includes the solid fixed ring of second, the solid fixed ring's of second both ends face respectively fixed connection in the pivot with deposit black portion, the carousel is located first solid fixed ring with between the solid fixed ring of second, the solid fixed ring's of second internal diameter is less than the radius of carousel, just the solid fixed ring's of second annular ring the annular ring is relative the setting of ink outlet.

Optionally, the first fixing ring and the second fixing ring are provided with a sealing ring for sealing a fit gap on one side close to the turntable.

Optionally, the ink supply member is disposed at a side of the frame.

Optionally, the ink supply member is arranged higher than the ink ejection member so that ink from the ink supply member can be delivered to the ink ejection member under the action of gravity.

Optionally, the connecting tube is telescopic.

Optionally, the connecting pipe is provided with a fold portion, when the ink jet member moves in a direction away from the ink supply member, the fold portion stretches, and when the ink jet member moves in a direction close to the ink supply member, the fold portion contracts.

Optionally, the connecting pipe is made of an elastic material.

Optionally, the first driving structure comprises a second motor and a screw rod, the rack is provided with a connecting beam extending transversely, the screw rod is arranged in parallel with the connecting beam, a guide rail is arranged on the connecting beam, the ink jet piece is arranged on the guide rail and connected with the screw rod, and the second motor drives the screw rod to rotate through a transmission piece, so that the ink jet piece is driven by the guide rail to move linearly in a reciprocating manner.

The utility model discloses technical scheme optimizes the inkjet piece and provides an ink supply piece, realizes once adding the long-time effect of china ink, and the even effect of printing ink spraying. Use at the user the utility model discloses a during the silk screen printing machine, at first towards supplying ink injection ink, printing ink gets into the ink storage tank in the inkjet spare through the connecting pipe, then spout printing ink to the printing plate on the silk screen printing machine through the nozzle of inkjet spare, at last, the scraper blade through scraping among the ink components forces printing ink to extrude and bear the printing on the card paper from the mesh in the printing plate, wherein, the lateral shifting of frame is followed to the inkjet spare under the drive of first drive structure, with the guarantee on the horizontal printing ink that is covered with of printing plate, simultaneously, the nozzle can be adjusted out the china ink volume according to the degree of densely covered of the mesh on the printing plate, and the scraper blade is along the longitudinal movement of frame under the drive of second drive structure, make the printing ink adaptation cover the printing plate evenly, the silk screen printing effect has been promoted, further, it has more printing ink to supply ink spare storage, once add printing ink can let the continuous long time operation of silk screen printing machine, thereby the number of adding printing ink has been reduced to shut down, the printing efficiency of silk screen printing machine has been promoted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 structures shown in the drawings without creative efforts.

Fig. 1 is a front view of an embodiment of a screen printing machine of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a top view of an embodiment of the screen printing machine of the present invention;

FIG. 4 is an exploded view of the nozzle of the present invention;

fig. 5 is a schematic structural view of the connecting pipe of the present invention.

The reference numbers illustrate:

the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a silk screen printing machine.

In the embodiment of the present invention, please refer to fig. 1 to 5, the screen printer includes a frame 100, an inkjet assembly and a wiping assembly, the inkjet assembly includes a first driving structure 400, an inkjet member 200 and an ink supply member 300, the inkjet member 200 is movably connected to the frame 100, the first driving structure 400 is disposed on the frame 100 and is drivingly connected to the inkjet member 200 to drive the inkjet member 200 to move along the frame 100, the inkjet member 200 is provided with an ink storage tank 211 and a nozzle 220 connected to the ink storage tank 211, an ink discharge amount of the nozzle 220 is adjustable, the ink supply member 300 is fixedly connected to the frame 100 and is connected to the ink storage tank 211 through a connecting pipe 310 to supply ink to the ink storage tank 211; the ink scraping assembly comprises a second driving structure 500 and a scraping plate 600, the scraping plate 600 is movably connected to the frame 100, and the second driving structure 500 is arranged on the frame 100 and is drivingly connected to the scraping plate 600 so as to drive the scraping plate 600 to move along the longitudinal direction of the frame 100.

In this embodiment, the specific structure of the first driving structure 400 may be various, for example, the screw 420 driven by the second motor 410 realizes the movement of the inkjet element 200 back and forth along the transverse direction of the rack 100, the lowest position of the ink storage tank 211 is communicated with the nozzle 220, and the aperture of the nozzle 220 is adjusted to adjust the ink output. When the user uses the utility model discloses a during silk screen printing machine, at first towards supplying ink 300 and pouring into printing ink into, printing ink gets into the ink storage tank 211 among the inkjet piece 200 through connecting pipe 310, then spout printing ink to the printing plate on the silk screen printing machine through the nozzle 220 of inkjet piece 200, at last, the scraper blade 600 through scraping among the ink components forces printing ink to extrude and bear the printing on the card paper from the mesh in the printing plate, wherein, inkjet piece 200 is along the lateral shifting of frame 100 under the drive of first drive structure 400, so as to ensure to be covered with printing ink on the horizontal of printing plate, and simultaneously, nozzle 220 can adjust out the china ink volume according to the degree of densely covered of the mesh on the printing plate, and scraper blade 600 is along the longitudinal movement of frame 100 under the drive of second drive structure 500, make the printing ink adaptation cover the printing plate evenly, the silk screen printing effect has been promoted, furtherly, supply ink 300 to store more printing ink, once add printing ink can let the continuous long-time operation of silk screen printing machine, thereby reduced the number of shutting down adding printing ink, the printing efficiency of silk screen printing machine has been promoted.

In an embodiment, referring to fig. 1 to 5, the inkjet device 200 includes an ink storage portion 210, the ink storage portion 210 has an ink storage groove 211 and an ink outlet 212 communicating with the ink storage groove 211, the nozzle 220 includes a first fixing ring 221 and a rotating disk 222, an inner diameter of the first fixing ring 221 is smaller than a radius of the rotating disk 222, the first fixing ring 221 has a rotating shaft 221a protruding toward the ink storage portion 210 and is fixedly connected to the ink storage portion 210 through the rotating shaft 221a, a central position of the rotating disk 222 has a shaft hole 222a penetrating therethrough, the rotating shaft 221a penetrates the shaft hole 222a and is fixedly connected to an outer side of the ink storage portion 210, so that the rotating disk 222 is rotatably connected to the rotating shaft 221a, the rotating disk 222 further has a plurality of through holes 222b arranged at intervals in a circumferential direction, the through holes 222b have different sizes, the ink outlet 212 has a through hole 222b opposite to the ink outlet, and the ring hole of the first fixing ring 221 is disposed opposite to the ink outlet 212. It should be noted that, in this embodiment, the annular holes of the ink outlet 212 and the first fixing ring 221 are opposite to any through hole 222b, and a sealing position exists on the rotary plate 222 and is opposite to the annular holes of the ink outlet 212 and the first fixing ring 221, when the screen printing machine stops working, the ink outlet 212 may be in a closed state, so that the rotary plate 222 rotates around the rotating shaft 221a to switch the through hole 222b corresponding to the ink outlet 212, and the through holes 222b with different apertures may adjust the change of the ink amount, meanwhile, the first fixing ring 221 is protruded from the side of the rotary plate 222 away from the ink storage tank 211, and the annular wall of the first fixing ring 221 has a guiding effect on the ink passing through the through hole 222b, where the rotary plate 222 abuts against the ink storage tank 211 and the first fixing ring 221, and a matching gap between the rotary plate 222 and the first fixing ring 221 is capable of allowing the rotary plate 222 to rotate relative to the first fixing ring 221, but the ink is generally viscous and is not easy to leak out from the gap, thereby ensuring the effect of adjusting the ink amount of the nozzle 220. Of course, in other embodiments, a ball valve structure may be provided at the position of the ink outlet 212 to adjust the amount of ink.

Referring to fig. 4, in an embodiment, a plurality of tooth protrusions 222c are arranged on an outer circumference of the turntable 222, a first motor 230 is fixed to an outer side of the inkjet member 200, a connection gear 225 is fixedly connected to an output shaft of the first motor 230, and the connection gear 225 and the tooth protrusions 222c are engaged with each other. So, can rotate certain angle through the output shaft of the first motor 230 of drive according to different printing ink volume demands, control carousel 222 rotates appropriate angle to the through-hole 222b of adjusting different apertures is corresponding with ink outlet 212, thereby has promoted control carousel pivoted accuracy nature and simple operation nature. Of course, in other embodiments, a transmission structure may be coupled to the nozzle 220 in the operating position by manually adjusting the rotation of the dial 222.

With reference to fig. 4, in the present embodiment, the nozzle 220 further includes a second fixing ring 223, two end faces of the second fixing ring 223 are respectively fixedly connected to the rotating shaft 221a and the ink storage portion 210, the rotary plate 222 is disposed between the first fixing ring 221 and the second fixing ring 223, an inner diameter of the second fixing ring 223 is smaller than a radius of the rotary plate 222, and a ring hole of the second fixing ring 223 is disposed opposite to the ink outlet 212. In this way, the turntable 222 abuts against the first fixing ring 221 and the second fixing ring 223 on both sides in the axial direction, and the friction area on both sides in the axial direction of the turntable 222 is not too large, so that the first motor 230 can drive the turntable 222 to rotate more easily, and the ink can flow through the through hole of the turntable 222 more smoothly under the guidance of the second fixing ring 223.

With continued reference to fig. 4, in the present embodiment, the first fixing ring 221 and the second fixing ring 223 are provided with a sealing ring 224 on a side close to the rotating disc 222 for sealing the fitting gap. The sealing effect of sealing washer 224 can avoid printing ink to spill from the solid fixed ring 221 of first solid fixed ring and the solid fixed ring 223 of second fit clearance between to the inkjet effect of guarantee inkjet 200, thereby the printing effect of guarantee silk screen printing machine.

In one embodiment, referring to fig. 1 to 4, the ink supply member 300 is disposed at a side of the rack 100. During use of the screen printing machine, the user typically stands on the side of the frame 100. Therefore, the user only needs to add ink to the ink supply member 300 in the original station, and the convenience of the user in ink adding operation is improved. Further, in order to ensure that the ink flows from the ink supply member 300 to the ink ejection member 200, the ink supply member 300 is disposed higher than the ink ejection member 200 in the present embodiment, so that the ink in the ink supply member 300 can be transferred to the ink ejection member 200 under the action of gravity. Therefore, the function of conveying the ink from the ink supply part 300 to the ink jet part 200 is realized, and meanwhile, the phenomenon that a driving mechanism is rearranged to convey the ink from the ink supply part 300 to the ink jet part 200 is avoided, so that the structure of the screen printing machine is simplified, and the cost of the screen printing machine is reduced. Of course, in other embodiments, the ink supply member 300 may be disposed at the upper portion of the rack 100, and an ink inlet is protruded to the side of the rack 100 to ensure the ink supply to the ink supply member 300.

In one embodiment, referring to fig. 1 and 5, the connection tube 310 is retractable. In this way, when the ink-jet member 200 moves back and forth along the transverse direction of the frame 100 during the use of the screen printing machine, the connection tube 310 expands and contracts, which ensures that the ink-jet member 200 and the ink-supply member 300 are kept in communication, so as to smoothly transport the ink from the ink-supply member 300 to the ink-jet member 200. Specifically, in the present embodiment, referring to fig. 1 and 5, the connection pipe 310 is provided with the corrugated portion 311, and when the ink jet member 200 moves in a direction away from the ink supply member 300, the corrugated portion 311 expands, and when the ink jet member 200 moves in a direction closer to the ink supply member 300, the corrugated portion 311 contracts. Here, the expansion and contraction of the corrugated portion 311 does not affect the aperture size of the connection tube 310, and the ink transportation rate is ensured. Further, the fold portion 311 is embedded with the elastic sheet 312, the elastic sheet 312 is wavy in the extending direction of the fold portion 311, and a wave of the elastic sheet 312 corresponds to a fold setting of the fold portion 311 to promote the flexibility of the fold portion 311, so that the connecting pipe 310 can be stably suspended above the printing plate, thereby ensuring the silk-screen effect of the silk-screen printing machine. Without loss of generality, the connection tube 310 is made of an elastic material, so as to further improve the expansion performance of the connection tube 310. Of course, in other embodiments, the connection tube 310 may be a telescopic rod formed by multiple lengths of tube sleeved together step by step to achieve the telescopic function.

In an embodiment, referring to fig. 1 and 3, the first driving structure 400 includes a second motor 410 and a screw rod 420, the frame 100 is provided with a connecting beam 110 extending transversely, the screw rod 420 is disposed parallel to the connecting beam 110, the connecting beam 110 is provided with a guide rail 111, the inkjet element 200 is disposed on the guide rail 111 and connected to the screw rod 420, and the second motor 410 drives the screw rod 420 to rotate through a transmission member, so that the inkjet element 200 makes a reciprocating linear motion along the guide rail 111. It should be noted that, in this embodiment, the inkjet member 200 is convexly provided with a connecting protrusion to be connected with the screw rod 420, and one end of the connecting protrusion, which is far away from the inkjet member 200, is slidably connected to the periphery of the screw rod 420, so that the connecting beam 110 provides a supporting and orienting function for the inkjet member 200, the inkjet member 200 is driven by the screw rod 420 to reciprocate along the guide rail 111, and meanwhile, the nozzle 220 sprays ink to the printing plate, thereby ensuring that the ink is uniformly distributed in the transverse direction of the printing plate, and further improving the printing effect.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A screen printing machine, characterized by comprising:

a frame;

the ink scraping component comprises a second driving structure and a scraping plate, wherein the scraping plate is movably connected with the rack, the second driving structure is arranged on the rack, and the second driving structure is connected with the scraping plate in a driving mode to drive the scraping plate to move longitudinally of the rack.

2. The screen printing machine according to claim 1, wherein the ink-jet member includes an ink storage portion, the ink storage portion is formed with the ink storage slot and an ink outlet communicated with the ink storage slot, the nozzle includes a first fixing ring and a rotary plate, an inner diameter of the first fixing ring is smaller than a radius of the rotary plate, the first fixing ring is convexly provided with a rotary shaft toward the ink storage portion and is fixedly connected to the ink storage portion through the rotary shaft, a shaft hole is formed through a central position of the rotary plate, and the rotary shaft penetrates through the shaft hole and is fixedly connected with an outer side of the ink storage portion so that the rotary plate can be rotatably connected to the rotary shaft;

3. The screen printing machine as claimed in claim 2, wherein the outer circumference of the rotary table is provided with a plurality of tooth-convex structures, a first motor is fixed on the outer side of the ink-jet member, an output shaft of the first motor is fixedly connected with a connecting gear, and the connecting gear is meshed with the tooth-convex structures.

4. The screen printing machine according to claim 2, wherein the nozzle further comprises a second fixing ring, two end faces of the second fixing ring are respectively and fixedly connected to the rotating shaft and the ink storage portion, the rotary plate is arranged between the first fixing ring and the second fixing ring, an inner diameter of the second fixing ring is smaller than a radius of the rotary plate, and an annular hole of the second fixing ring is arranged opposite to the ink outlet.

5. The screen printing machine of claim 4, wherein the first fixing ring and the second fixing ring are provided with a sealing ring on a side close to the rotary plate for sealing a fit gap.

6. The screen printing machine of claim 1, wherein the ink supply member is provided at a side of the frame;

and/or the ink supply part is arranged higher than the ink jet part so that the ink of the ink supply part can be conveyed to the ink jet part under the action of gravity.

7. The screen printing machine of any one of claims 1 to 6, wherein the connecting tubes are telescopic.

8. The screen printing machine of claim 7, wherein the connecting tube is provided with a corrugated portion, the corrugated portion is expanded when the ink-ejecting member moves in a direction away from the ink-supplying member, and the corrugated portion is contracted when the ink-ejecting member moves in a direction close to the ink-supplying member.

9. The screen printing machine of claim 7, wherein the connecting tube is made of an elastic material.

10. The screen printing machine as claimed in any one of claims 1 to 6, wherein the first driving structure comprises a second motor and a lead screw, the frame is provided with a connecting beam extending transversely, the lead screw is arranged in parallel with the connecting beam, the connecting beam is provided with a guide rail, the inkjet member is arranged on the guide rail and connected with the lead screw, and the second motor drives the lead screw to rotate through a transmission member so as to make the inkjet member perform reciprocating linear motion along the guide rail.