Silk-screen printing CCD material aligning device and screen plate UVW displacement aligning device
By setting up a mobile screen cantilever above the machine of the screen printing machine and installing a CCD camera below the interior, the problem of difficulty in accurately positioning the printed material by screen printing machine is solved, and a high-precision printing effect is achieved.
Patent Information
- Application Number
- CN202422171902.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-04
AI Technical Summary
Existing screen printing machines are difficult to accurately locate the substrate, resulting in position deviation, affecting product quality and printing effect.
A screen printing CCD alignment material device and a screen plate UVW shift alignment device are designed, including a wire screen cantilever that moves forward and backward and left and right above the machine, and two sets of CCD cameras are installed below the inside of the machine, precisely positioning points through the movement of the CCD camera, and the screen plate is placed above the printing parts, so as to facilitate printing operations.
Accurate positioning of printed parts is achieved, printing accuracy and stability is improved, and printing effect is improved.
Smart Images
Figure CN223001246U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of screen printing, in particular to a screen printing CCD alignment material device and a screen plate UVW displacement alignment device. Background Technique
[0002] A screen printing machine is a machine that uses a screen printing plate for printing and belongs to a type of printing machine. During the use of existing screen printing machines, generally, the printing substrate cannot be accurately positioned, which easily causes its position to shift, thereby affecting the quality of the product, failing to meet the existing usage requirements, affecting the printing effect, reducing the practicability of the printing machine, and being unfavorable for use. For this reason, we have designed a screen printing CCD alignment material device and a screen plate UVW displacement alignment device. Content of the Utility Model
[0003] To solve the technical problem that the printing substrate cannot be accurately positioned and its position is likely to shift, the utility model provides a screen printing CCD alignment material device and a screen plate UVW displacement alignment device.
[0004] The utility model is realized by adopting the following technical solutions: A screen printing CCD alignment material device and a screen plate UVW displacement alignment device, including a machine table. On the left and right sides above the machine table, a front paper pulling head and a rear paper pulling head are respectively arranged. Above the machine table, a placing table is arranged. On the front side of the upper surface of the placing table, two positioning strip holes are opened. Above the rear side of the machine table, a lifting frame is arranged in a vertically lifting manner. On the front side of the lifting frame, a lifting component is arranged in a left and right moving manner. A squeegee is arranged below the lifting component;
[0005] Below the front side of the lifting frame, a screen plate alignment structure is arranged. The screen plate alignment structure includes a screen plate horizontal movement mechanism that slides left and right below the front side of the lifting frame. On the front side of the screen plate horizontal movement mechanism, two symmetrically distributed screen wire cantilevers are arranged. Between the two screen wire cantilevers, a screen plate is arranged. Above the screen plate, a positioning part is also arranged;
[0006] Below the interior of the machine table, two symmetrically arranged CCD alignment structures are installed. The CCD alignment structure includes an L-shaped mounting frame installed inside the machine table. On the front side of the mounting frame, a first moving component is installed. On the front side of the first moving component, a second moving component is installed. A CCD camera is installed on the second moving component, and the CCD camera is located below the positioning strip hole.
[0007] As a further improvement of the above solution, two symmetrically distributed guide sleeves are fixed above the machine table. Guide posts are fixed inside the guide sleeves. A lifting cylinder is also installed above the machine table. The top end inside the lifting frame is connected to the push rod of the lifting cylinder. The lifting frame is slidably sleeved on the two guide posts up and down. The lifting cylinder can make the lifting frame move up and down, and then can make the front squeegee and the screen plate move up and down accordingly, so that the screen plate can be placed above the printed part and printing can be carried out;
[0008] On the left and right sides of the front side of the lifting frame, toothed belt wheels are rotatably installed through bearings. The two toothed belt wheels are meshed through a conveyor belt. A moving plate is slidably arranged on the left and right sides of the front side of the lifting frame. The moving plate is connected to the conveyor belt. The left and right back-and-forth movement of the conveyor belt can make the moving plate move accordingly, so that the squeegee can move left and right back and forth, which is convenient for printing.
[0009] As a further improvement of the above solution, folding plates are connected to the left and right ends of the front side of the lifting frame. The inward side of the folding plate is connected to the moving plate;
[0010] A moving motor is installed on the rear side of the lifting frame through a bracket. The output shaft of the moving motor is connected to the right toothed belt wheel. The moving motor is a forward and reverse motor, which can make the conveyor belt move left and right back and forth, so that the squeegee can move left and right back and forth;
[0011] Two vertically symmetrically distributed moving tracks are arranged on the front side of the lifting frame. Two moving sliders are arranged on the rear side of the moving plate. The two moving sliders are respectively slidably placed on the two moving tracks, which can provide support for the moving plate and facilitate its left and right movement, improving the moving accuracy and stability.
[0012] As a further improvement of the above solution, the lifting component includes a lifting seat that is arranged to move up and down on the front side of the moving plate. Four circular holes distributed in a rectangular structure penetrate through the upper and lower sides of the lifting seat. Lifting rods are respectively slidably sleeved in the four circular holes. Two independently distributed tool holders are installed at the bottom ends of the lifting rods. The two squeegees are respectively arranged on the two tool holders. Two lifting cylinders are also arranged on the lifting seat. The push rods of the two lifting cylinders are respectively connected to the lifting rods on both sides, which can independently control the lifting of the two squeegees, and then can use the corresponding squeegee for printing according to needs.
[0013] As a further improvement of the above solution, a lifting motor is installed on the moving plate through a bracket. A lifting lead screw is connected to the output shaft of the lifting motor. A lifting nut is installed on the lifting lead screw. The lifting nut is connected to the lifting seat. The lifting motor makes the lifting seat move up and down, compensating for the insufficient descending length of the lifting cylinder;
[0014] There are two lifting tracks symmetrically arranged above the front side of the moving plate with respect to the lifting motor. The rear side of the lifting seat is respectively connected to the two lifting tracks through lifting sliders, which can guide it and improve the stability.
[0015] As a further improvement of the above solution, the screen plate transverse movement mechanism includes a transverse track fixed to the front side of the bottom end of the lifting frame. Two transverse sliders are slidably arranged on the transverse track. A transverse movement plate is installed on the front side of the transverse slider. The two screen wire cantilevers are symmetrically arranged on the front side of the transverse movement plate;
[0016] A transverse motor is installed below the right side of the lifting frame through a bracket. A transverse lead screw is installed on the output shaft of the transverse motor. A transverse nut is threadedly connected to the transverse lead screw. The transverse nut is fixed to the transverse movement plate. The transverse motor rotates the transverse lead screw, and then can make the transverse nut move horizontally left and right, so that the transverse movement plate and the two screen wire cantilevers on the front side move accordingly, and can change the position of the screen plate between the two screen wire cantilevers as needed, so that the positioning part on the screen plate is aligned with the point position on the printed part.
[0017] As a further improvement of the above solution, the screen wire cantilever includes a longitudinal bracket fixed to the transverse movement plate. A longitudinal frame is fixed to the front side of the longitudinal bracket. A longitudinal movement frame is slidably arranged back and forth below the longitudinal frame. A side plate is fixed below the longitudinal movement frame. A C-shaped frame is installed on the inner side of the side plate facing inwards. The screen plate is placed in the two C-shaped frames and fixed by bolts;
[0018] A longitudinal motor is rotatably installed on the longitudinal bracket through a bearing. A longitudinal lead screw is installed on the output shaft of the longitudinal motor. A longitudinal nut is threadedly connected to the longitudinal lead screw. The longitudinal nut is embedded in the longitudinal movement frame. A cylindrical hole is opened at the rear side of the longitudinal movement frame. The longitudinal nut is fixed in the cylindrical hole, and the longitudinal lead screw extends into the cylindrical hole. The rotation of the longitudinal lead screw can make the longitudinal nut move back and forth, so as to drive the longitudinal movement frame to move together, so that the screen plate can move together, so that the positioning part on the screen plate is aligned with the point position on the printed part;
[0019] Two moving chutes are symmetrically opened on the left and right sides of the front side of the transverse movement plate. An installation slider is arranged at the rear side of the longitudinal bracket. The installation slider slides in the moving chute and is connected by bolts, and the distance between the two screen wire cantilevers can be changed as needed, which is applicable to screen plates of various different sizes.
[0020] As a further improvement of the above solution, the first moving component includes a driving motor one installed on the mounting frame through a bracket. A moving lead screw one is connected to the output shaft of the driving motor one. A moving nut one is threadedly installed on the moving lead screw one. A moving frame one is installed on the front side of the moving nut one. The second moving component is installed on the moving frame one;
[0021] The second moving component includes a connecting frame with a U-shaped structure installed on the front side of the first moving frame. A second driving motor is installed on the front side of the connecting frame. A second moving lead screw is installed on the output shaft of the second driving motor. A second moving nut is installed on the output shaft of the second moving lead screw. A second moving frame is installed on the second moving nut. The CCD camera is installed on the second moving frame. The CCD camera can move back and forth and left and right as needed, so that the CCD camera can be aligned with the positioning points of the printed part, facilitating the movement of the screen printing plate.
[0022] As a further improvement of the above solution, two tracks are symmetrically arranged on the front side of the mounting frame with respect to the first moving lead screw. A slider is slidably arranged on each of the two tracks, and the two sliders are respectively connected to the upper and lower ends of the rear side of the first moving frame, which can guide and support the movement of the first moving frame and improve its movement accuracy.
[0023] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0024] 1. The present utility model is provided with two screen printing cantilevers that can move back and forth and left and right above the machine table, and two groups of CCD cameras are arranged below the interior of the machine table. The two groups of CCD cameras move back and forth and left and right separately, so that the position of the printed part can be quickly determined, and the screen printing plate can be placed above it, facilitating subsequent printing operations;
[0025] 2. By providing two positioning strip holes on the placement table, and positioning points are provided on the printed part, and cooperating with the two CCD cameras provided, they can perform one-to-one alignment on the two points on the printed part, accurately determining the printing position of the printed part, thereby improving the printing accuracy. Description of the Drawings
[0026] Figure 1 It is a schematic diagram of the overall structure of a screen printing CCD alignment material device and a screen plate UVW displacement alignment device provided by the present utility model;
[0027] Figure 2 It is Figure 1 A schematic diagram of the structure without materials and screen printing plates;
[0028] Figure 3 It is Figure 2 The internal structure diagram of the machine table;
[0029] Figure 4 It is a schematic diagram of the structure of the lifting frame, the lifting component and the screen plate alignment structure;
[0030] Figure 5 It is Figure 4 The internal structure diagram of the lifting frame in;
[0031] Figure 6 is Figure 5 a schematic structural diagram of the structure without a frame therein;
[0032] Figure 7 is Figure 6 the front and rear isometric axonometric views of
[0033] Figure 8 is Figure 6 a schematic structural diagram of the screen plate alignment structure in
[0034] Figure 9 is Figure 8 the front and rear isometric axonometric views of
[0035] Figure 10 a schematic structural diagram of the wire mesh cantilever in the screen plate alignment structure;
[0036] Figure 11 is Figure 3 a schematic structural diagram of two groups of CCD alignment structures in
[0037] Figure 12 is Figure 11 a schematic structural diagram of the CCD alignment structure in
[0038] Figure 13 is Figure 12 the isometric axonometric view of
[0039] Main symbol description:
[0040] 1. Machine platform; 2. Lifting frame; 21. Folding plate; 22. Guide post; 23. Toothed belt pulley; 24. Conveyor belt; 25. Moving plate; 26. Moving track; 27. Lifting cylinder; 28. Moving motor; 3. Lifting assembly; 31. Lifting motor; 32. Lifting seat; 33. Lifting cylinder; 34. Lifting rod; 4. Scraper; 5. Screen plate alignment structure; 51. Screen plate transverse movement mechanism; 511. Transverse movement plate; 512. Transverse motor; 513. Moving chute; 514. Transverse track; 515. Transverse slider; 516. Transverse screw seat; 517. Transverse lead screw; 52. Wire mesh cantilever; 521. Longitudinal frame; 522. Longitudinal movement frame; 523. Side plate; 524. Longitudinal motor; 525. C-shaped frame; 526. Longitudinal support; 6. Wire mesh plate; 61. Positioning part; 7. Placing table; 71. Positioning strip hole; 8. CCD alignment structure; 81. Mounting frame; 82. Moving assembly one; 821. Driving motor one; 822. Moving screw seat one; 823. Moving lead screw one; 824. Moving frame one; 83. Moving assembly two; 831. Moving frame two; 832. Driving motor two; 833. Connecting frame; 834. Moving screw seat two; 835. Moving lead screw two; 84. CCD camera. Specific implementation mode
[0041] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of non - conflict, the following described embodiments or technical features can be arbitrarily combined to form new embodiments.
[0042] Embodiment:
[0043] Please combine Figures 1 - 13 , a screen - printing CCD alignment material device and a screen plate UVW shift alignment device of this embodiment, including a machine table 1. On the left and right sides above the machine table 1, a front paper pulling head and a rear paper pulling head are respectively arranged. Above the machine table 1, a placement table 7 is arranged. On the front side of the upper surface of the placement table 7, two positioning strip holes 71 are opened. Above the rear side of the machine table 1, a lifting frame 2 is arranged in a vertically - ascending - and - descending manner. On the front side of the lifting frame 2, a lifting component 3 is arranged in a left - and - right - moving manner. A squeegee 4 is arranged below the lifting component 3;
[0044] Below the front side of the lifting frame 2, a screen plate alignment structure 5 is arranged. Among them, the screen plate alignment structure 5 includes a screen plate transverse movement mechanism 51 that slides left and right on the front side below the lifting frame 2. On the front side of the screen plate transverse movement mechanism 51, two symmetrically - distributed screen wire cantilevers 52 are arranged. And between the two screen wire cantilevers 52, a screen plate 6 is arranged. Above the screen plate 6, a positioning part 6 is also arranged;
[0045] Below the machine table 1, two symmetrically - arranged CCD alignment structures 8 are installed. The CCD alignment structure 8 includes an L - shaped mounting frame 81 installed inside the machine table 1. On the front side of the mounting frame 81, a first moving component 82 is installed. On the front side of the first moving component 82, a second moving component 83 is installed. A CCD camera 84 is installed on the second moving component 83, and the CCD camera 84 is located below the positioning strip holes 71.
[0046] Above the machine table 1, two symmetrically - distributed guide sleeves are fixed. Guide posts 22 are fixed inside the guide sleeves. Above the machine table 1, a lifting cylinder 27 is also installed. The top end inside the lifting frame 2 is connected to the push rod of the lifting cylinder 27. And the lifting frame 2 is slidably sleeved with the two guide posts 22 up and down. The lifting cylinder 27 can make the lifting frame 2 move up and down, and then can make the squeegee 4 and the screen plate 6 on the front side move up and down accordingly, so that the screen plate 6 can be placed above the printed matter and printing can be carried out;
[0047] On the left and right sides of the front side of the lifting frame 2, toothed belt wheels 23 are rotatably installed through bearings. Between the two toothed belt wheels 23, a conveyor belt 24 is engaged. On the front side of the lifting frame 2, a moving plate 25 is slidably arranged left and right. The moving plate 25 is connected to the conveyor belt 24. The left - and - right back - and - forth movement of the conveyor belt 24 can make the moving plate 25 move accordingly, so that the squeegee 4 can move left and right back and forth, which is convenient for printing.
[0048] Folding plates 21 are connected to both the left and right ends of the front side of the lifting frame 2, and the inner side of the folding plate 21 is connected to the moving plate 25;
[0049] A moving motor 28 is installed on the rear side of the lifting frame 2 through a bracket. The output shaft of the moving motor 28 is connected to the right belt pulley 23. The moving motor 28 is a forward and reverse motor, which can make the conveyor belt 24 move back and forth left and right, so that the scraper 4 can move back and forth left and right;
[0050] Two moving tracks 26 are symmetrically distributed up and down on the front side of the lifting frame 2. Two moving sliders are arranged on the rear side of the moving plate 25. The two moving sliders are respectively slidably placed on the two moving tracks 26, which can provide support for the moving plate 25 and facilitate its left and right movement, improving the moving accuracy and stability.
[0051] The lifting assembly 3 includes a lifting seat 32 that is movably arranged up and down on the front side of the moving plate 25. Four circular holes distributed in a rectangular structure penetrate through the upper and lower sides of the lifting seat 32. Four lifting rods 34 are slidably sleeved in the four circular holes respectively. The bottom ends of the lifting rods 34 are installed with two independently distributed tool holders. The two scrapers 4 are respectively arranged on the two tool holders. Two lifting cylinders 33 are also arranged on the lifting seat 32. The push rods of the two lifting cylinders 33 are respectively connected to the lifting rods 34 on both sides, which can independently control the lifting of the two scrapers 4, and thus can use the corresponding scraper 4 for printing according to needs.
[0052] A lifting motor 31 is installed above the moving plate 25 through a bracket. A lifting lead screw is connected to the output shaft of the lifting motor 31. A lifting nut is installed on the lifting lead screw. The lifting nut is connected to the lifting seat 32. The lifting motor 31 makes the lifting seat 32 move up and down, compensating for the insufficient descending length of the lifting cylinder 33;
[0053] Two lifting tracks are symmetrically arranged about the lifting motor 31 on the front side above the moving plate 25. The rear side of the lifting seat 32 is connected to the two lifting tracks through lifting sliders respectively, which can guide it and improve the stability.
[0054] The screen plate transverse movement mechanism 51 includes a transverse track 514 fixed to the front side of the bottom end of the lifting frame 2. Two transverse sliders 515 are slidably arranged on the transverse track 514. A transverse moving plate 511 is installed on the front side of the transverse slider 515. The two screen wire cantilevers 52 are symmetrically arranged on the front side of the transverse moving plate 511;
[0055] A horizontal motor 512 is installed below the right side of the lifting frame 2 through a bracket. A horizontal lead screw 517 is installed on the output shaft of the horizontal motor 512. A horizontal nut 516 is threadedly connected to the horizontal lead screw 517. The horizontal nut 516 is fixed to the transverse movement plate 511. The horizontal motor 512 rotates the horizontal lead screw 517, thereby enabling the horizontal nut 516 to move horizontally left and right, so that the transverse movement plate 511 and the two front-side wire mesh cantilevers 52 move accordingly, and the position of the wire mesh plate 6 between the two wire mesh cantilevers 52 can be changed as needed, so that the positioning portion 6 on the wire mesh plate 6 is aligned with the point position on the printed part.
[0056] The wire mesh cantilever 52 includes a longitudinal bracket 526 fixed to the transverse movement plate 511. A longitudinal frame 521 is fixed to the front side of the longitudinal bracket 526. A longitudinal movement frame 522 is slidably arranged below the longitudinal frame 521 in the front and rear directions. A side plate 523 is fixed below the longitudinal movement frame 522. A C-shaped frame 525 is installed on the inner side of the side plate 523 facing inwards. The wire mesh plate 6 is placed in the two C-shaped frames 525 and fixed by bolts;
[0057] A longitudinal motor 524 is rotatably installed on the longitudinal bracket 526 through a bearing. A longitudinal lead screw is installed on the output shaft of the longitudinal motor 524. A longitudinal nut is threadedly connected to the longitudinal lead screw. The longitudinal nut is embedded in the longitudinal movement frame 522. A cylindrical hole is formed in the rear side of the longitudinal movement frame 522. The longitudinal nut is fixed in the cylindrical hole, and the longitudinal lead screw extends into the cylindrical hole. The rotation of the longitudinal lead screw can make the longitudinal nut move back and forth, thereby driving the longitudinal movement frame 522 to move together, so that the wire mesh plate 6 can move together, so that the positioning portion 6 on the wire mesh plate 6 is aligned with the point position on the printed part;
[0058] Two moving chutes 513 are symmetrically formed on the left and right sides of the front side of the transverse movement plate 511. An installation slider is arranged on the rear side of the longitudinal bracket 526. The installation slider slides in the moving chute 513, and the two are connected by bolts, so that the distance between the two wire mesh cantilevers 52 can be changed as needed, and it is applicable to wire mesh plates 6 of various different sizes.
[0059] The first moving assembly 82 includes a first driving motor 821 installed on the mounting frame 81 through a bracket. A first moving lead screw 823 is connected to the output shaft of the first driving motor 821. A first moving nut 822 is threadedly installed on the first moving lead screw 823. A first moving frame 824 is installed on the front side of the first moving nut 822. The second moving assembly 83 is installed on the first moving frame 824;
[0060] The moving component two 83 includes a connecting frame 833 with a U-shaped structure installed on the front side of the moving frame one 824. A driving motor two 832 is installed on the front side of the connecting frame 833. A moving lead screw two 835 is installed on the output shaft of the driving motor two 832. A moving nut two 834 is installed on the output shaft of the moving lead screw two 835. A moving frame two 831 is installed on the moving nut two 834. The CCD camera 84 is installed on the moving frame two 831. The CCD camera 84 can move back and forth and left and right as needed, so that the CCD camera 84 can be aligned with the positioning points of the printed part, facilitating the movement of the screen plate 6.
[0061] Two tracks are symmetrically arranged about the moving lead screw one 823 on the front side of the mounting frame 81. A slider is slidably arranged on each of the two tracks, and the two sliders are respectively connected to the upper and lower ends of the rear side of the moving frame one 824, which can guide and support the movement of the moving frame one 824 and improve its movement accuracy.
[0062] In the embodiment of the present application, the implementation principle of a screen printing CCD alignment material device and a screen plate UVW displacement alignment device is as follows: In actual use, the front paper puller and the rear paper puller at the left and right ends of the machine table 1 enable the paper to move from left to right above the placing table 7, and it can control the tension balance of the paper to make its moving speed stable and controllable. There are also printing points (such as Figure 1 shown) above the paper. The two points on the paper are respectively placed above the two positioning strip holes 71. Then, under the action of the moving component one 82 and the moving component two 83, the two CCD cameras 84 can respectively move to directly below the two points above the paper, thereby determining their positions and transmitting signals to the industrial control computer. The industrial control computer will cause the screen plate alignment structure 5 to move accordingly, that is, the transverse plate 511 moves left and right under the action of the transverse motor 512 and the transverse lead screw 517, and the longitudinal motors 524 in the two screen cantilevers 52 work simultaneously, causing the longitudinal lead screw to rotate, so that the longitudinal nut moves back and forth and drives the longitudinal moving frame 522 to move together, enabling the screen plate 6 to move together, so that the positioning part 6 on the screen plate 6 is aligned with the points on the printed part. The screen plate 6 can then descend and perform the printing operation;
[0063] By arranging two screen cantilevers 52 that can move back and forth and left and right above the machine table 1, and two groups of CCD cameras 84 are arranged below the interior of the machine table 1. The two groups of CCD cameras 84 can move back and forth and left and right separately, so that the position of the printed part points can be quickly determined, and the screen plate 6 can be placed above it, facilitating the subsequent printing operation;
[0064] By providing two positioning bar holes 71 on the placement table 7 and providing positioning points on the printed matter, and cooperating with the two CCD cameras 84 provided, they can perform one-to-one alignment on the two points on the printed matter, accurately determine the printing position of the printed matter, and thus improve the printing accuracy.
[0065] The above-mentioned embodiments are only the preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention fall within the scope of protection required by the present invention.
Claims
1. A screen printing CCD material alignment device and a screen UVW shift alignment device, comprising a machine platform (1), wherein a front paper pull head and a rear paper pull head are respectively arranged on the left and right sides above the machine platform (1), characterized in that: A placement table (7) is arranged above the machine (1), and two positioning strip holes (71) are provided on the front side of the upper surface of the placement table (7); a lifting frame (2) is arranged on the upper rear side of the machine (1) in a lifting manner, and a lifting assembly (3) is arranged on the front side of the lifting frame (2) in a movable manner, and a scraper (4) is arranged below the lifting assembly (3); A screen alignment structure (5) is provided below the front side of the lifting frame (2), wherein the screen alignment structure (5) comprises a screen transverse movement mechanism (51) which slides left and right on the front side below the lifting frame (2), two symmetrically distributed screen cantilevers (52) are provided on the front side of the screen transverse movement mechanism (51), a screen plate (6) is provided between the two screen cantilevers (52), and a positioning portion (61) is also provided above the screen plate (6); Two symmetrically arranged CCD alignment structures (8) are installed at the lower part of the machine platform (1), and the CCD alignment structure (8) comprises an L-shaped mounting frame (81) installed at the inner part of the machine platform (1), a moving component 1 (82) is installed at the front side of the mounting frame (81), a moving component 2 (83) is installed at the front side of the moving component 1 (82), a CCD camera (84) is installed on the moving component 2 (83), and the CCD camera (84) is located below the positioning bar hole (71).
2. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 1, characterized in that: Two symmetrically distributed guide sleeves are fixed above the machine platform (1), guide posts (22) are fixed inside the guide sleeves, and a lifting cylinder (27) is also installed above the machine platform (1). The top of the lifting frame (2) is connected to the push rod of the lifting cylinder (27), and the lifting frame (2) is slidably sleeved with the two guide posts (22) up and down; The front left and right sides of the lifting frame (2) are both rotatably mounted with toothed belt wheels (23) via bearings, the two toothed belt wheels (23) are meshed with each other via a conveyor belt (24), and the front left and right sides of the lifting frame (2) are slidably arranged with a movable plate (25), which is connected to the conveyor belt (24).
3. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 2, characterized in that: The left and right ends of the front side of the lifting frame (2) are both connected with folding plates (21), and the inward side of the folding plate (21) is connected to the movable plate (25); A moving motor (28) is installed on the rear side of the lifting frame (2) via a bracket, and an output shaft of the moving motor (28) is connected to the right toothed belt wheel (23); The front side of the lifting frame (2) is provided with two movable rails (26) which are symmetrically distributed up and down, and the rear side of the movable plate (25) is provided with two movable sliders, and the two movable sliders are respectively slidably placed on the two movable rails (26).
4. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 3, characterized in that: The lifting assembly (3) includes a lifting seat (32) which is arranged in a vertically movable manner on the front side of the moving plate (25). Four circular holes distributed in a rectangular structure penetrate through the upper and lower sides of the lifting seat (32). Four lifting rods (34) are respectively sleeved in the four circular holes in a sliding manner. Two independently distributed tool holders are installed at the bottom ends of the lifting rods (34). Two of the scraping blades (4) are respectively arranged on the two tool holders. Two lifting cylinders (33) are further arranged on the lifting seat (32). The push rods of the two lifting cylinders (33) are respectively connected to the lifting rods (34) on both sides.
5. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 4, characterized in that: A lifting motor (31) is installed above the moving plate (25) through a bracket. A lifting lead screw is connected to the output shaft of the lifting motor (31). A lifting nut is installed on the lifting lead screw. The lifting nut is connected to the lifting seat (32); Two lifting rails are symmetrically arranged on the front side above the moving plate (25) with respect to the lifting motor (31). The rear side of the lifting seat (32) is connected to the two lifting rails respectively through lifting sliders.
6. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 1, characterized in that: The mesh plate transverse movement mechanism (51) includes a transverse rail (514) fixed to the front side of the bottom end of the lifting frame (2). Two transverse sliders (515) are slidably arranged on the transverse rail (514). A transverse moving plate (511) is installed on the front sides of the transverse sliders (515). Two of the wire mesh cantilevers (52) are symmetrically arranged on the front side of the transverse moving plate (511); A transverse motor (512) is installed below the right side of the lifting frame (2) through a bracket. A transverse lead screw (517) is installed on the output shaft of the transverse motor (512). A transverse nut (516) is threadedly connected to the transverse lead screw (517). The transverse nut (516) is fixed to the transverse moving plate (511).
7. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 6, characterized in that: The wire mesh cantilever (52) includes a longitudinal bracket (526) fixed to the transverse moving plate (511). A longitudinal frame (521) is fixed to the front side of the longitudinal bracket (526). A longitudinal moving frame (522) is slidably arranged in the front - rear direction below the longitudinal frame (521). A side plate (523) is fixed below the longitudinal moving frame (522). A U - shaped frame (525) is installed on the inner side of the side plate (523) facing inwards. The wire mesh plate (6) is placed in the two U - shaped frames (525) and fixed by bolts; A longitudinal motor (524) is rotatably installed on the longitudinal bracket (526) through a bearing. A longitudinal lead screw is installed on the output shaft of the longitudinal motor (524). A longitudinal nut is threadedly connected to the longitudinal lead screw. The longitudinal nut is embedded in the longitudinal moving frame (522); Two moving chutes (513) are symmetrically opened on the left and right sides of the front side of the transverse moving plate (511). An installation slider is arranged on the rear side of the longitudinal bracket (526). The installation slider slides in the moving chute (513), and the two are connected by bolts.
8. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 1, characterized in that: The first moving component (82) includes a first driving motor (821) mounted on the mounting frame (81) through a bracket. A first moving lead screw (823) is connected to the output shaft of the first driving motor (821). A first moving nut (822) is threadedly mounted on the first moving lead screw (823). A first moving frame (824) is mounted on the front side of the first moving nut (822). The second moving component (83) is mounted on the first moving frame (824). The second moving component (83) includes a connecting frame (833) in a U-shaped structure mounted on the front side of the first moving frame (824). A second driving motor (832) is mounted on the front side of the connecting frame (833). A second moving lead screw (835) is mounted on the output shaft of the second driving motor (832). A second moving nut (834) is mounted on the output shaft of the second moving lead screw (835). A second moving frame (831) is mounted on the second moving nut (834). The CCD camera (84) is mounted on the second moving frame (831).
9. A screen printing CCD alignment material device and screen UVW shift alignment device as claimed in claim 8, characterized in that: Two tracks are symmetrically arranged on the front side of the mounting frame (81) with respect to the first moving lead screw (823). A slider is slidably arranged on each of the two tracks, and the two sliders are respectively connected to the upper and lower ends of the rear side of the first moving frame (824).