TWM552433U - Improved structure of self-propelled screen printing machine - Google Patents

Description

Self-propelled screen printing machine structure improvement

This creation is about screen printing machines, especially a self-propelled screen printing machine that improves printing area, print yield and stability.

The 2014-2019 printing forecast issued by the American Winning Company shows that the global textile printing market with about 7.5 billion US dollars, home decoration and industrial applications are experiencing a compound annual growth rate of about 34%, which will increase to 2019. With broad development prospects, the improvement of printing technology is of considerable importance.

Press, the current machine tools for screen printing, many fixed-point printing, not only have personnel to operate, and the printing area is limited, while the self-propelled screen printing equipment, which uses the machine to move to different locations for printing Although it can automate printing, there are still many problems, such as the machine will sway relative to the table during the printing operation, and the slight difference in the table top at different positions will cause the blade to be unable to fit, etc., which greatly affects the good printing products. Rate and quality.

In view of this, the creator of this case has served in the industry for more than ten years. He is well aware of the technical requirements on the printing, researching and developing the shortcomings of the existing technology, and completing the creation.

The main purpose of this creation is to provide a self-propelled screen printing machine with improved structure, high-precision actuation mechanism and stable structure, which can greatly improve the printing area and efficient and stable printing. Secondly, the creation improves the stability of the machine. The problem of sex is that the machine can be firmly fixed relative to the table at the time of printing, so that the printed product maintains a consistently good quality; in addition, the creation introduces a horizontal correction technology on the squeegee mechanism, so that the blade can automatically adjust the fit during printing. Print layout to increase print yield and stability.

In order to achieve the above objectives, the self-propelled screen printing machine of the present invention has been improved in structure, and the main structure of the technical means adopted includes a long stage and a printing machine. The long stage is used for arranging the items to be printed, and the long stage is respectively provided with a sliding rail on the two long sides, and a plurality of positioning columns arranged in the grid are arranged along the extending direction of the sliding rail. The printing machine is disposed on the long stage and can move linearly relative to the long stage for screen printing of the printed item, including a horizontal frame and a printing mechanism; the horizontal frame is hollowed out, Slidably disposed on the two slide rails, and provided with a reciprocating positioning fork for forking to the positioning post of the long stage, thereby fixing the relative positions of each other; the printing mechanism includes a descending device, a screen fixing device and a squeegee device; wherein the hoisting device is mounted on the horizontal frame for driving the screen fixing device and the squeegee device is raised or lowered; the screen fixing device is received by the screen a take-off and landing device, and a screen fixing unit for fixing a screen and positioning it in a hollow of the horizontal frame; the squeegee device is located above the screen fixing device, and includes a linear guide and a connecting frame The linear guide is received by the take-off and landing device, the connecting frame is slidably coupled to the linear guide rail, and the connecting frame is mounted with a scraper corresponding to the screen, so that the scraper can be pressed against the screen Line squeegee.

According to the above structure, the long stage is provided with a plurality of spaces on the side of the two slide rails The positioning column is arranged in a grid, and the horizontal frame is provided with two positioning forks respectively corresponding to the positioning columns on both sides of the long stage.

According to the above structure, the scraper is fixed in a scraper fixing base, and the scraper fixing base is coupled to the connecting frame by two scraping surface adjusting units, and the two scraping surface adjusting units are capable of being pressurized and contracted to adjust the scraper fixing base. With respect to the angle of inclination of the yoke, the squeegee can be adjusted and conformed to the squeegee of the contact.

According to the above structure, the connecting frame is further provided with a parallel ink returning knife adjacent to the scraping blade for uniformly coating the ink on the screen during the returning of the scraping blade, and the ink returning knife is fixed to the inkjet knife fixing base. And the inkjet knife holder is coupled to the coupling frame by two scraping surface adjustment units.

According to the above structure, the scraping surface adjusting unit comprises a set body and a rod body, the sleeve body is sleeved to be relatively slippery, and the sleeve body is internally provided with a contractible elastic member, and the rod body is sleeved One end end is restrained in the sleeve body and abuts against the elastic member, so that the sleeve body and the rod body can be pressed and contracted with each other.

According to the above structure, the connecting frame further includes an upper bracket and a second lower bracket, the upper bracket is slidably coupled to the linear rail, and the lower brackets are coupled to the upper bracket by at least one height adjusting unit, and the bracket The two lower brackets are respectively connected to the blade holder and the ink return holder.

According to the above structure, the printing mechanism is provided with two take-off and lowering devices respectively mounted on opposite inner sides of the horizontal frame, and the screen fixing device comprises a hollow lower frame received on the bottom side of the two ascending and descending devices, and the linear guide rail The two ends are respectively received on the top side of the two take-off and landing devices.

According to the above structure, the screen fixing device comprises a two-screen fixed unit and two Parallel screen support, the two screen fixing units are respectively disposed on the two screen brackets for fixing opposite sides of the screen, and the two ends of the screen brackets are slidably coupled to the lower frame Two opposite sides, and each of the screen supports is provided with a height adjustment unit to adjust the relative height of the screen fixing unit.

According to the above structure, the top side of the two landing gears is respectively provided with a pivoting seat and a locking seat for receiving the two ends of the linear guide.

According to the above structure, the horizontal frame is provided with an upwardly extending side frame adjacent to one side of the pivoting seat, and the side frame is provided with a suspension device connecting the linear guide to one end of the locking seat.

According to the above structure, the long stage is provided with a rack rail parallel to the slide rail on one side, and the horizontal frame is provided with a tooth motor to mesh the rack rail.

In order to achieve a more specific understanding of the above objectives, functional effects and technical features of this creation, the following figures are explained as follows:

10‧‧‧Long stage

11‧‧‧ bearing surface

12‧‧‧Slide rails

13‧‧‧Positioning column

14‧‧‧ rack

2‧‧‧Printing machine

20‧‧‧Main frame

21‧‧‧ horizontal framework

211‧‧‧ hollow place

22‧‧‧Pulley

23‧‧‧ positioning fork

24‧‧‧ tooth motor

25‧‧‧Side frame

26‧‧‧suspension device

3‧‧‧Printing agency

30‧‧‧ landing gear

31‧‧‧ pivoting seat

32‧‧‧Locking seat

40‧‧‧ Screen fixing device

41‧‧‧ Lower frame

42‧‧‧Screen bracket

421‧‧‧Upper bracket

422‧‧‧ lower bracket

43‧‧‧ Height adjustment unit

44‧‧‧ Screen fixed unit

45‧‧‧Web Edition

50‧‧‧wiping device

51‧‧‧Linear guide

511‧‧‧Locks

52‧‧‧ Linkage

521‧‧‧Upper bracket

522‧‧‧ lower bracket

53‧‧‧ Height adjustment unit

54‧‧‧Scraper holder

541‧‧‧Scraper clip

542‧‧‧Scraper

55‧‧‧Returning knife holder

551‧‧‧Returning knife holder

552‧‧‧Returning knife

56‧‧‧Scraper adjustment unit

561‧‧‧ Socket

562‧‧‧Limited parts

563‧‧‧Flexible parts

564‧‧‧ rod body

565‧‧‧ arrive at the top

57‧‧‧Clamp firmware

58‧‧‧Detection unit

60‧‧‧Control device

Figure 1 is a perspective view showing the appearance of a preferred embodiment of the present invention; Figure 2 is a schematic view showing the structure of the long stage and the main frame of the embodiment; Figure 3 is a schematic plan view of the structure of the embodiment; Figure 4 is a schematic view showing the structure of the main frame body and the printing mechanism of the embodiment; Figure 5 is a schematic structural view of the main frame body of the embodiment; Figure 6 is a schematic structural view of the screen fixing device of the embodiment; Figure 7 is a schematic view showing the structure of the ink wiping device of the embodiment; Figure 8 is a schematic view showing the structure of the doctor blade assembly of the embodiment; Figure 9 is a schematic view showing the structure of the shaving surface adjusting unit of the embodiment.

Referring to FIG. 1 , it can be seen that the main structure of the self-propelled screen printing machine structure of the present embodiment includes a long stage 10 for the object to be printed and a long stage 10 and a relatively long load. The table 10 linearly moves the printing press 2 for screen printing.

Please refer to FIGS. 2 and 3 together, wherein the long stage 10 has a bearing surface 11 for the object to be printed, and the long stage 10 is on both sides of the bearing surface 11, that is, the long stage. The two long sides of the 10 are provided with two parallel slide rails 12 for slidably engaging the printing press table 2.

The printing machine 2 is mainly provided with a main frame 20 for carrying the various parts of the printing mechanism and the control device 60 capable of controlling the various mechanisms, and slidingly connecting the long stage 10 so that the printing machine 2 can be opposite The main frame 20 is mainly configured to include a horizontal frame 21 and a side frame 25 erected on the side. The horizontal frame 21 has a rectangular frame and forms a hollow portion 211 at the center. A pulley block 22 is further disposed under the four corners for supporting and connecting the slide rails 12 of the long stage 10 so that the main frame body 20 and the printing mechanism carried thereon can be horizontally operated on the bearing surface 11.

In this embodiment, the horizontal frame 21 and the long stage 10 are respectively disposed on the same side, and the toothed motor 24 and the rack 14 are respectively coupled to each other, and the rack 14 is parallel to the rail 12, The printing machine 2 can control the relative position of the long stage 10 by driving the tooth motor 24, and autonomously move and position on the long stage 10, and sequentially print the items to be printed; The long stage 10 of the embodiment is disposed between the bearing surface 11 and the two sliding rails 12, and is provided with a plurality of positioning posts 13 arranged along the extending direction of the sliding rail 12, and two pairs of the horizontal frame 21 A reciprocating positioning fork 23 is respectively disposed at the corners, and the positioning forks 23 can be controlled to reach the positioning post 13 of the long stage 10, so that the printing machine table 2 is positioned relative to the long stage 10. At the time of screen printing, the printing machine table 2 can be further stabilized by the positioning fork 23 and the positioning post 13 to avoid the sway caused by the movement during the printing operation and affect the printing quality.

As shown in FIGS. 4 and 5, the printing mechanism 3 includes two take-off devices 30, a screen fixing device 40 and a wiping device 50, and the two landing devices 30 are fixed to the horizontal frame 21. The inner side of the second side receives the wiping device 50, and the bottom side receives the screen fixing device 40 for controlling to drive the screen fixing device 40 and the wiping device 50 to be raised or lowered. The top side of the two take-off and landing devices 30 is respectively provided with a pivoting seat 31 and a locking seat 32 for receiving the two ends of the linear guide 51 of the wiping device 50, so that the linear guide 51 is unlocked. The pivoting seat 31 can be pivoted, and the locking member can be fixed to the locking seat 32 through a locking member 511 (as shown in FIG. 7); in addition, in the embodiment, the pivoting seat 31 is The side frame 25 is disposed on a side of the side frame 25, and the side frame 25 is provided with a suspension device 26 connecting the linear guide 51 to one end of the locking base 32, thereby being able to pass through the suspension when the locking member 511 is unlocked. The lifting device 26 controls the pivoting of the linear guide 51 to facilitate the operation of the user (such as the operation of installing a scraper, a screen, an adjustment mechanism, etc.).

As shown in FIG. 6, the screen fixing device 40 includes a hollow lower frame 41, a two-screen bracket 42 and a two-screen fixing unit 44; the lower frame 41 is connected to the front and rear sides of the two landing devices. The bottom side of the bottom plate 30 is connected to the two ends of the two screen mounting brackets 42. The two screen fixing units 44 are respectively disposed on the two screen mounting brackets 42 for fixing one. The opposite sides of the screen 45 enable the screen 45 to be relatively located at the hollow 211 of the horizontal frame 21. In the embodiment, the screen fixing device 40 is provided with a mechanism for adjusting the fixed position of the screen plate 45. The lower frame 41 is provided with a slide rail on the left and right sides for the two screen brackets 42 to be connected. The fixed position can adjust the relative position of the two screen brackets 42 according to the size and the fixed position of the screen plate 45. The screen holders 42 include upper and lower brackets 421 and 422 and a height adjusting unit 43 connected therebetween. Can help adjust the screen 45 at the appropriate height according to the printing needs.

Further, as shown in FIGS. 7 and 8, the ink wiping device 50 includes the linear guide 51, a connecting frame 52, a blade holder 54, an ink return holder 55, and the like to detect the slip position. The second detection unit 58. The linear guide rail 51 includes a slide rail, a slider and a driver, and the slider can be controlled to move relative to the slide rail. The joint frame 52 is coupled to the slider of the linear guide rail 51, and the slider can be opposite to the linear guide rail. The upper bracket 521 is slidably coupled to the linear guide rail 51, and the two ends of the lower brackets 522 are respectively connected via a height adjusting unit 53. The height of the lower brackets 522 can be adjusted by the height adjustment unit 53. The blade holder 54 and the ink knife holder 55 are respectively adjusted via two scraping surfaces. The unit 56 is coupled to the two lower brackets 522. The scraper holder 54 is provided with a scraper clip 541 for clamping a scraper 542, and one or more clips 57 are disposed on the outer side to further increase the gripping force of the scraper clip 541. The ink returning knife holder 55 is provided with an ink returning knife holder 551 for clamping an ink returning knife 552, and one or more clamping members 57 are disposed on the outer side to further increase the clamping force of the ink returning knife holder 551. The shaving surface adjustment unit 56 can be subjected to And shrinking, whereby the scraping surface adjusting unit 56 can be contracted by the reaction force of the scraping blade 542 and the ink returning knife 552 to substantially adjust the scraper fixing seat 54 and the ink returning knife. The opposite angle of inclination of the fixing seat 55 is such that the blade 542 And the ink repelling knife 552 can be adapted to contact the squeegee of the different squeegee positions and naturally adjust to the fit.

The shaving surface adjusting unit 56, as shown in FIG. 9, mainly includes a set of bodies 561 and a rod body 564 at both ends; the sleeve body 561 is sleeved with the rod body 564 and can slide relative to each other. The sleeve body 561 is internally provided with a retractable elastic member 563, and a limiting member 562 is disposed at the sleeve to limit one end of the rod body 564; and the rod body 564 is sleeved at one end. There is a top portion 565 that allows one end of the sleeve 564 to be restrained in the sleeve 561 and against the resilient member 563 to form a mechanism for the scraping surface adjustment unit 56 to contract as the ends are compressed. In the embodiment, the scraping surface adjusting unit 56 is fixed to the lower bracket 522 by one end of the sleeve 561, and the scraper fixing base 54 or the ink re injecting knife holder 55 is connected by the rod body 564.

In actual operation, the printing machine 2 can be moved to a predetermined printing position on the long stage 10 according to a preset condition to perform printing on the object to be printed in the predetermined position; wherein, when the printing machine is 2 When moving to the positioning position, the positioning fork 23 first controls the fork to abut the relative position of the positioning post 13 to firmly fix the printing press table 2 on the long stage 10, ready for the printing operation; and then the take-off and landing device 30 drives the screen fixing device 40 and the wiping device 50 to lower, so that the screen 45 and the scraper 541 (returning knife 551) are relatively pressed against the object to be printed, and the scraper 541 (returning knife 551) can be used by The shaving surface adjusting unit 56 automatically corrects and conforms the squeegee surface at this position, and then drives the linear guide 51 of the squeegee device 50 to move, so that the squeegee 541 can maintain the aligning state and scrape the ink on the screen 45 to complete the squeegee printing. Then, the screen fixing device 40 and the squeegee device 50 are lifted by the take-off and lowering device 30, and at the same time, the squeegee 541 (returning knife 551) is driven to return, so that the ink returning knife 551 can apply the ink to the screen on average during the returning process. 45; and when the squeegeing operation is completed, the printing machine 2 retracts the positioning fork 23 A given state, to move to the next location and repeat the squeegee operation.

With the machine structure of this creation, it is true that it has a high-precision mechanism and is stable. The structure can improve the printing area and efficiency, and the printing machine can be stabilized on the table surface, and the function of the blade can be instantly corrected, which can greatly increase the printing yield and stable quality, and help improve the technology and development of the printing industry.

In summary, the creation is a novelty and progressive creation, and the application for a new type of patent is filed according to law; however, the content of the above description is only a description of the preferred embodiment of the creation, and the technical means of the creation Changes, modifications, alterations or equivalent substitutions of the scope of the invention are also intended to fall within the scope of the patent application of the present invention.

10‧‧‧Long stage

11‧‧‧ bearing surface

12‧‧‧Slide rails

13‧‧‧Positioning column

14‧‧‧ rack

2‧‧‧Printing machine

20‧‧‧Main frame

21‧‧‧ horizontal framework

24‧‧‧ tooth motor

25‧‧‧Side frame

26‧‧‧suspension device

30‧‧‧ landing gear

40‧‧‧ Screen fixing device

50‧‧‧wiping device

60‧‧‧Control device

Claims (11)

The invention relates to a structure improvement of a self-propelled screen printing machine, comprising: a long stage for arranging an object to be printed, the long stage is respectively provided with a sliding rail on two long sides, and a plurality of sliding rails are arranged along the extending direction of the sliding rail a positioning column; a printing machine set on the long stage and linearly movable relative to the long stage for screen printing of the printed item, comprising: a horizontal frame that is hollowed out, Slidably disposed on the two slide rails, and provided with a reciprocating positioning fork for forking to the positioning post of the long stage, thereby fixing the relative positions of each other; a printing mechanism including a descending device, a screen fixing device and a squeegee device; wherein the hoisting device is mounted on the horizontal frame for driving the screen fixing device and the squeegee device is raised or lowered; the screen fixing device is borne by The lifting device is provided with a screen fixing unit for fixing a screen and being located at a hollow of the horizontal frame; the squeegeing device is located above the screen fixing device and includes a linear guide and a link Rack, the linear guide Receiving means based on the landing, the hitch system slidably coupled to the linear guides and which is mounted a hitch screen should spatula, Pi so that the blade can be pressed against the screen for the squeegee. The structure of the self-propelled screen printing machine according to claim 1 is improved, wherein the long stage is respectively provided with a plurality of positioning columns arranged on the side of the two sliding rails, and the horizontal frame is provided with two positioning positions. The forks respectively correspond to the positioning posts on both sides of the long stage. The structure of the self-propelled screen printing machine according to claim 1 or 2, wherein the blade is fixed in a blade holder, and the blade holder is coupled to the frame by two scraping surface adjustment units, The scraping surface adjustment unit is capable of being contracted by pressure to adjust the tilt of the blade holder relative to the frame The angle of inclination allows the blade to be adjusted and conformed to the wiped surface of the contact. The structure of the self-propelled screen printing machine according to claim 3 is improved, wherein the connecting frame further comprises a parallel ink returning knife adjacent to the scraping blade for uniformly coating the ink on the screen during the return stroke of the scraping blade, and The ink returning knife is fixed in an inkjet knife holder, and the inkjet knife fixing base is coupled to the coupling frame by two scraping surface adjusting units. The structure of the self-propelled screen printing machine according to claim 4 is improved, wherein the scraping surface adjusting unit comprises a set body and a rod body, the sleeve body is sleeved to be relatively slippery, and the sleeve body is The portion is provided with a contractible elastic member, and the rod body is restrained by the one end of the sleeve in the sleeve body and abuts against the elastic member, so that the sleeve body and the rod body can be pressed and contracted with each other. The structure of the self-propelled screen printing machine according to claim 5, wherein the connecting frame further comprises an upper bracket and a second lower bracket, wherein the upper bracket is slidably coupled to the linear rail, wherein the lower brackets are At least one height adjustment unit is coupled to the upper bracket, and the two lower brackets are respectively coupled to the blade holder and the ink knife holder. The structure of the self-propelled screen printing machine according to claim 6 is improved, wherein the printing mechanism is provided with two take-off and lowering devices respectively mounted on opposite inner sides of the horizontal frame, and the screen fixing device comprises a hollow lower frame receiving On the bottom side of the two landing gears, the two ends of the linear guide are respectively received on the top side of the two landing gears. The self-propelled screen printing machine structure according to claim 7 is improved, wherein the screen fixing device comprises a two-screen fixed unit and two parallel screen supports, and the two-screen fixed units are separately set. On the two screen brackets, the opposite sides of the screen are fixed, the two ends of the screen brackets are slidably coupled to the opposite sides of the lower frame, and the screen brackets are provided with a height adjusting unit. To adjust the relative height of the screen fixing unit. The structure of the self-propelled screen printing machine according to claim 8 is improved, wherein the top side of the two take-off and landing devices is respectively provided with a pivoting seat and a locking seat for receiving the two ends of the linear guide. The structure of the self-propelled screen printing machine according to claim 9 is improved, wherein the horizontal frame is provided with an upwardly extending side frame adjacent to one side of the pivoting seat, and the side frame is provided with a suspension device connecting the linear The rail is adjacent to one end of the lock seat. The structure of the self-propelled screen printing machine according to claim 9 is improved, wherein the long stage is provided with a rack rail parallel to the slide rail on one side, and the horizontal frame is provided with a tooth motor to mesh the rack rail.