Multifunctional scraper adjusting mechanism suitable for screen printing machine

By incorporating a multi-functional squeegee adjustment mechanism with pressure and angle sensors on the screen printing machine, the automatic adjustment of squeegee pressure and angle is achieved, solving the problems of poor squeegee adjustment accuracy and stability, and improving the printing quality of the screen printing machine.

CN223443094UActive Publication Date: 2025-10-17GUANGZHOU JINYUANXIONG ELECTRONIC TECH DEV CO LTD
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Patent Information

Application Number
CN202423270866.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-10-17
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The existing squeegee angle adjustment mechanism relies on manual operation, resulting in poor adjustment accuracy and stability, making it difficult to meet the diverse needs of screen printing machines on different types of substrates and printed patterns.

Method used

By employing pressure and angle sensors in conjunction with pressure and angle adjustment components, the automatic adjustment of the scraper pressure and angle is achieved. The pressure sensor detects the pressure on the scraper holder and feeds it back to the pressure adjustment component, while the angle sensor detects the rotation angle of the scraper holder and feeds it back to the angle adjustment component, ensuring that the scraper angle and pressure values ​​reach the preset values.

Benefits of technology

It improves the stability and precision of squeegee angle and pressure adjustment, reduces the uncertainty of manual operation, and enhances the printing accuracy and consistency of screen printing machines.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223443094U_ABST
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Abstract

The utility model discloses a multifunctional scraper adjusting mechanism suitable for a screen printing machine, which comprises a mounting seat, a connecting rod is arranged at the bottom of the mounting seat, a scraper seat is arranged at the bottom of the connecting rod, the scraper seat is rotatably connected with the connecting rod, and a scraper blade is arranged on the scraper seat; a pressure adjusting assembly is arranged at the bottom of the mounting seat, a pressure sensor is arranged on the scraper seat, the pressure adjusting assembly acts on the scraper seat, the pressure sensor is electrically connected with the pressure adjusting assembly, and the pressure sensor detects pressure on the scraper seat and feeds back the pressure to the pressure adjusting assembly. The pressure adjusting assembly adjusts the pressure value applied to the scraper base to be a preset pressure value. An angle adjusting assembly and an angle sensor are arranged on the scraper base, the angle sensor is electrically connected with the angle adjusting assembly and used for detecting the rotating angle of the scraper base and feeding back to the angle adjusting assembly, and the angle adjusting assembly drives the scraper base and the connecting rod to rotate relatively to be adjusted to the preset angle. The scraper angle adjusting device can improve the scraper angle adjusting stability and adjusting precision.
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Description

TECHNICAL FIELD

[0001] The utility model relates to screen printing technical field especially is applicable to multifunctional doctor blade adjusting mechanism of screen printing machine. BACKGROUND

[0002] The doctor blade of screen printing machine plays a vital role in the screen printing process. The ink is squeezed out of the screen holes of the screen by the doctor blade through a certain angle and pressure, and is transferred to the printing material to complete the ink transfer of screen printing. In actual use, in order to adapt to different types of printing materials, ink and printing patterns, and meet the diversity of printing requirements, different materials, shapes and sizes of doctor blades are generally replaced, or the angle and pressure of the doctor blade are adjusted to realize.

[0003] The existing doctor blade angle adjusting mechanism generally adjusts the pressure and angle of the doctor blade manually, which depends on the experience and skill of the operator. Different operators or multiple operations of the same operator will produce different adjustment effects and adjustment accuracy, and the stability is poor, which is not convenient for accurate control of the adjustment accuracy.

[0004] Therefore, it is urgent to develop a multifunctional doctor blade adjusting mechanism suitable for screen printing machine which can improve the angle adjustment accuracy and stability, and solve the above technical problems. SUMMARY

[0005] The utility model aims at providing a multifunctional doctor blade adjusting mechanism suitable for screen printing machine, which can improve the stability and adjustment accuracy of the doctor blade angle adjustment and pressure adjustment.

[0006] In order to achieve the above purpose, the utility model provides a multifunctional doctor blade adjusting mechanism suitable for screen printing machine, and the specific implementation scheme is as follows:

[0007] A multifunctional doctor blade adjusting mechanism suitable for screen printing machine, comprising a mounting seat, the mounting seat is used for mounting on the screen printing machine, a connecting rod is arranged at the bottom of the mounting seat, a doctor blade seat is arranged at the bottom of the connecting rod, the doctor blade seat is rotationally connected with the connecting rod, and a doctor blade piece is arranged on the doctor blade seat;

[0008] A pressure adjusting assembly is arranged at the bottom of the mounting seat, a pressure sensor is arranged on the doctor blade seat, the pressure adjusting assembly acts on the doctor blade seat, the pressure sensor is electrically connected with the pressure adjusting assembly, so that the pressure sensor detects the pressure on the doctor blade seat and feeds back to the pressure adjusting assembly, and the pressure adjusting assembly adjusts the pressure value on the doctor blade seat to the preset pressure value;

[0009] An angle adjusting assembly and an angle sensor are arranged on the scraper seat, the angle sensor is electrically connected with the angle adjusting assembly, the angle sensor is used for detecting the rotating angle of the scraper seat, and the rotating angle is fed back to the angle adjusting assembly.

[0010] The utility model discloses a multifunctional scraper adjusting mechanism suitable for silk screen printing machine, relative to prior art, through setting pressure adjusting assembly and pressure sensor on mounting seat, utilize pressure sensor to detect the pressure on scraper seat and feed back to pressure adjusting assembly, pressure adjusting assembly adjusts the pressure value on scraper seat to preset pressure value, utilize angle sensor to detect the rotating angle of scraper seat, and feed back to angle adjusting assembly, and angle adjusting assembly drives scraper seat and connecting rod relatively rotate and adjusts to preset angle, relative to traditional manual regulation, can improve the stability and adjustment accuracy of scraper angle adjustment and pressure regulation.

[0011] In some embodiments, the angle adjusting assembly includes a connecting plate, a mounting plate, an electric push rod and a hinged block, the connecting plate is arranged on the side wall of the scraper seat, the mounting plate is arranged on the end of the connecting plate away from the scraper seat, the electric push rod is arranged on the mounting plate, the movable end of the electric push rod extends to the direction of the scraper seat and is connected with the hinged block, one end of the hinged block is rotationally connected with the movable end of the electric push rod, and the other end of the hinged block is fixed on the outer wall of the scraper seat.

[0012] The electric push rod is used to push and displace the scraper seat fixed by the hinged block, and the electric push rod is fixed in position, so that the scraper seat and the connecting rod rotate relatively, one end of the hinged block is fixed with the scraper seat, and the other end is rotationally connected with the movable end of the electric push rod, so that the extension and contraction of the electric push rod drive the relative rotation of the scraper seat and the connecting rod, the angle of the scraper seat is adjusted, and the angle of the scraper blade arranged on the scraper seat is adjusted, thereby improving the efficiency, controllability and adjustment accuracy of the angle adjustment of the scraper.

[0013] In some embodiments, a groove is arranged at the bottom of the connecting rod, a rotating shaft is arranged in the groove, a protrusion is arranged at the top of the scraper seat, the protrusion is embedded in the groove and sleeved on the rotating shaft, and the protrusion and the scraper seat rotate relatively with the connecting rod in the circumferential direction of the rotating shaft.

[0014] The groove is arranged at the bottom of the connecting rod, the rotating shaft is arranged in the groove, and the protrusion is arranged on the scraper seat and sleeved on the rotating shaft, the rotation of the protrusion in the circumferential direction of the rotating shaft is used to realize the relative rotation of the scraper seat and the connecting rod, and the angle adjustment of the scraper blade is ensured.

[0015] In some embodiments, the pressure regulating assembly comprises a pressure cylinder and a pressure regulating valve, the piston of the pressure cylinder is connected with the top end of the scraper seat, and the pressure regulating valve is arranged on a pipeline connecting the pressure cylinder with an external pressure source.

[0016] By adopting the pressure cylinder and the pressure regulating valve as the pressure regulating assembly, the pressure value monitored in real time by the pressure sensor can be used to cooperate with the pressure regulating valve to realize the pressure-controllable and stable adjustment of the scraper blade.

[0017] In some embodiments, a lifting assembly is arranged at the bottom of the mounting seat, and the connecting rod and the pressure cylinder are arranged at the bottom of the lifting assembly.

[0018] By arranging the lifting assembly at the bottom of the mounting seat, the normal use of the scraper mechanism on the screen printing machine is ensured.

[0019] In some embodiments, the lifting assembly comprises an electric telescopic rod, a guide rod and guide blocks, one end of the electric telescopic rod and the guide rod is connected with the mounting seat, a movable plate is connected at the bottom of the electric telescopic rod, the connecting rod and the pressure cylinder are connected at the bottom of the movable plate, and the two ends of the movable plate are connected with the guide blocks, the guide blocks are sleeved on the guide rod and move along the axial direction of the guide rod.

[0020] By adopting the telescopic rod and the guide rod as the lifting assembly, the convenience and stability of the lifting of the scraper are improved.

[0021] Based on the above technical solutions, the present application has the following beneficial effects compared with the prior art:

[0022] By arranging the pressure regulating assembly and the pressure sensor on the mounting seat, the pressure on the scraper seat is detected by the pressure sensor and fed back to the pressure regulating assembly, the pressure value applied on the scraper seat is adjusted to a preset pressure value by the pressure regulating assembly, the rotating angle of the scraper seat is detected by the angle sensor and fed back to the angle regulating assembly, and the scraper seat is relatively rotated with the connecting rod to adjust to a preset angle by the angle regulating assembly. Compared with the traditional manual adjustment, the stability and adjustment accuracy of the angle adjustment and pressure adjustment of the scraper can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 FIG. 1 is a structural schematic view of the present application;

[0024] Fig. 2 FIG. 2 is another perspective view of the structural schematic view of the present application.

[0025] MARKS DESCRIPTION:

[0026] 100, mounting seat; 200, lifting assembly; 210, electric telescopic rod; 220, guide rod; 230, guide block; 240, movable plate; 300, connecting rod; 310, groove; 320, rotating shaft; 400, scraper seat; 410, scraper blade; 420, bump; 500, pressure regulating assembly; 510, pressure cylinder; 520, pressure regulating valve; 600, angle adjustment assembly; 610, connecting plate; 620, mounting plate; 630, electric push rod; 640, hinge block. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0028] Unless otherwise specified or defined, the "first, second..." used in this article is only used to distinguish names and does not represent a specific quantity or order.

[0029] Unless stated otherwise or defined otherwise, the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] It should be noted that, in this document, “fixed to” or “connected to” may mean directly fixing or connecting to an element, or indirectly fixing or connecting to an element.

[0031] like Figs. 1-2 As shown, the present embodiment provides a multifunctional scraper adjustment mechanism suitable for a screen printing machine, comprising a mounting base 100, the mounting base 100 being used to be mounted on the screen printing machine, a connecting rod 300 being provided at the bottom of the mounting base 100, a scraper base 400 being provided at the bottom of the connecting rod 300, the scraper base 400 being rotatably connected to the connecting rod 300, and a scraper blade 410 being provided on the scraper base 400;

[0032] A pressure regulating assembly 500 is provided at the bottom of the mounting seat 100, and a pressure sensor is provided on the scraper seat 400. The pressure regulating assembly 500 acts on the scraper seat 400, and the pressure sensor is electrically connected to the pressure regulating assembly 500 so that the pressure sensor detects the pressure on the scraper seat 400 and feeds it back to the pressure regulating assembly 500. The pressure regulating assembly 500 adjusts the pressure value applied to the scraper seat 400 to a preset pressure value.

[0033] An angle adjustment component 600 and an angle sensor are provided on the scraper seat 400. The angle sensor is electrically connected to the angle adjustment component 600 to detect the rotation angle of the scraper seat 400 and feed back to the angle adjustment component 600. The angle adjustment component 600 drives the scraper seat 400 and the connecting rod 300 to rotate relative to each other and adjust to a preset angle.

[0034] In some embodiments, the angle adjusting assembly 600 comprises a connecting plate 610, a mounting plate 620, an electric push rod 630 and a hinged block 640, the connecting plate 610 is arranged on the sidewall of the scraper seat 400, and the mounting plate 620 is arranged at the end of the connecting plate 610 away from the scraper seat 400, the electric push rod 630 is arranged on the mounting plate 620, the movable end of the electric push rod 630 extends to the scraper seat 400 and is connected with the hinged block 640, one end of the hinged block 640 is rotationally connected with the movable end of the electric push rod 630, and the other end of the hinged block 640 is fixed on the outer wall of the scraper seat 400.

[0035] By using the electric push rod 630 to push and displace the scraper seat 400 fixed with the hinged block 640, and because the position of the electric push rod 630 is fixed, the scraper seat 400 and the connecting rod 300 rotate relatively, one end of the hinged block 640 is fixed with the scraper seat 400, and the other end is rotationally connected with the movable end of the electric push rod 630, so that the extension and contraction of the electric push rod 630 drives the relative rotation of the scraper seat 400 and the connecting rod 300, adjusts the angle of the scraper seat 400 and the angle of the scraper blade 410 arranged on the scraper seat 400, and improves the efficiency, controllability and adjustment accuracy of the angle adjustment of the scraper.

[0036] In some embodiments, a groove 310 is arranged at the bottom of the connecting rod 300, a rotating shaft 320 is arranged in the groove 310, a protrusion 420 is arranged at the top of the scraper seat 400, the protrusion 420 is embedded in the groove 310 and is sleeved on the rotating shaft 320, and the protrusion 420 and the scraper seat 400 rotate relatively with the connecting rod 300 along the circumferential direction of the rotating shaft 320.

[0037] By arranging the groove 310 at the bottom of the connecting rod 300, arranging the rotating shaft 320 in the groove 310, and arranging the protrusion 420 on the scraper seat 400 and sleeving the protrusion 420 on the rotating shaft 320, the relative rotation of the scraper seat 400 and the connecting rod 300 is realized by the rotation of the protrusion 420 in the circumferential direction of the rotating shaft 320, and the angle adjustment of the scraper blade 410 is ensured.

[0038] In some embodiments, the pressure adjusting assembly 500 comprises a pressure cylinder 510 and a pressure adjusting valve 520, the piston of the pressure cylinder 510 is connected with the top end of the scraper seat 400, and the pressure adjusting valve 520 is arranged on the pipeline connecting the pressure cylinder 510 with an external pressure source.

[0039] By adopting the pressure cylinder 510 and the pressure regulating valve 520 as the pressure regulating assembly 500, the pressure value can be monitored in real time by the pressure sensor, and the pressure regulating valve 520 can be used to realize the pressure-controllable stable adjustment of the squeegee blade 410.

[0040] In some embodiments, the lifting assembly 200 is arranged at the bottom of the mounting seat 100, and the connecting rod 300 and the pressure cylinder 510 are arranged at the bottom of the lifting assembly 200.

[0041] By arranging the lifting assembly 200 at the bottom of the mounting seat 100, the normal use of the squeegee mechanism on the screen printing machine is ensured.

[0042] In some embodiments, the lifting assembly 200 comprises an electric telescopic rod 210, a guide rod 220 and guide blocks 230, one end of the electric telescopic rod 210 and the guide rod 220 is connected with the mounting seat 100, an activity plate 240 is connected at the bottom of the electric telescopic rod 210, the connecting rod 300 and the pressure cylinder 510 are connected at the bottom of the activity plate 240, and the two ends of the activity plate 240 are connected with the guide blocks 230, the guide blocks 230 are sleeved on the guide rod 220 and move along the axial direction of the guide rod 220.

[0043] By adopting the structure of the telescopic rod and the guide rod 220 as the lifting assembly 200, the convenience and stability of the lifting of the squeegee are improved.

[0044] Compared with the prior art, by arranging the pressure regulating assembly 500 and the pressure sensor on the mounting seat 100, the pressure on the squeegee seat 400 is detected by the pressure sensor and fed back to the pressure regulating assembly 500, the pressure regulating assembly 500 adjusts the pressure value applied on the squeegee seat 400 to a preset pressure value, the rotation angle of the squeegee seat 400 is detected by the angle sensor and fed back to the angle regulating assembly 600, and the angle regulating assembly 600 drives the relative rotation adjustment of the squeegee seat 400 and the connecting rod 300 to a preset angle. Compared with the traditional manual adjustment, the stability and adjustment accuracy of the squeegee angle adjustment and pressure adjustment can be improved.

[0045] According to the disclosure and teaching of the above description, those skilled in the art of the present application can also make changes and modifications to the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.

Claims

1. A multifunctional scraper adjustment mechanism suitable for a screen printing machine, characterized in that: The invention comprises a mounting seat (100), wherein the mounting seat (100) is used for being mounted on a screen printing machine, a connecting rod (300) is provided at the bottom of the mounting seat (100), a scraper seat (400) is provided at the bottom of the connecting rod (300), the scraper seat (400) is rotatably connected to the connecting rod (300), and a scraper blade (410) is provided on the scraper seat (400); A pressure regulating assembly (500) is provided at the bottom of the mounting seat (100), and a pressure sensor is provided on the scraper seat (400). The pressure regulating assembly (500) acts on the scraper seat (400), and the pressure sensor is electrically connected to the pressure regulating assembly (500), so that the pressure sensor detects the pressure on the scraper seat (400) and feeds it back to the pressure regulating assembly (500). The pressure regulating assembly (500) adjusts the pressure value applied to the scraper seat (400) to a preset pressure value. An angle adjustment component (600) and an angle sensor are provided on the scraper seat (400). The angle sensor is electrically connected to the angle adjustment component (600) and is used to detect the rotation angle of the scraper seat (400) and provide feedback to the angle adjustment component (600). The angle adjustment component (600) drives the scraper seat (400) and the connecting rod (300) to rotate relative to each other and adjust to a preset angle.

2. The multifunctional scraper adjustment mechanism for a screen printing machine according to claim 1, characterized in that: The angle adjustment assembly (600) includes a connecting plate (610), a mounting plate (620), an electric push rod (630) and a hinge block (640), wherein the connecting plate (610) is arranged on the side wall of the scraper seat (400), and a mounting plate (620) is provided at one end of the connecting plate (610) away from the scraper seat (400), and the electric push rod (630) is provided on the mounting plate (620), and the movable end of the electric push rod (630) extends toward the scraper seat (400) and is connected to the hinge block (640), one end of the hinge block (640) is rotatably connected to the movable end of the electric push rod (630), and the other end of the hinge block (640) is fixed to the outer wall of the scraper seat (400).

3. The multifunctional scraper adjustment mechanism for a screen printing machine according to claim 2, characterized in that: A groove (310) is provided at the bottom of the connecting rod (300), a rotating shaft (320) is mounted in the groove (310), and a convex block (420) is provided on the top of the scraper seat (400). The convex block (420) is embedded in the groove (310) and is sleeved on the rotating shaft (320). The convex block (420) and the scraper seat (400) rotate relative to the connecting rod (300) along the circumferential direction of the rotating shaft (320).

4. The multifunctional scraper adjustment mechanism for a screen printing machine according to any one of claims 1 to 3, characterized in that: The pressure regulating assembly (500) comprises a pressure cylinder (510) and a pressure regulating valve (520). The piston of the pressure cylinder (510) is connected to the top end of the scraper seat (400). The pressure regulating valve (520) is provided on a pipeline connecting the pressure cylinder (510) and an external pressure source.

5. The multifunctional scraper adjustment mechanism for a screen printing machine according to claim 4, characterized in that: A lifting assembly (200) is provided at the bottom of the mounting seat (100), and the connecting rod (300) and the pressure cylinder (510) are provided at the bottom of the lifting assembly (200).

6. The multifunctional scraper adjustment mechanism for a screen printing machine according to claim 5, characterized in that: The lifting assembly (200) comprises an electric telescopic rod (210), a guide rod (220) and a guide block (230); one end of each of the electric telescopic rod (210) and the guide rod (220) is connected to the mounting seat (100); a movable plate (240) is connected to the bottom of the electric telescopic rod (210); the connecting rod (300) and the pressure cylinder (510) are connected to the bottom of the movable plate (240); and both ends of the movable plate (240) are connected to the guide block (230); the guide block (230) is sleeved on the guide rod (220) and moves along the axial direction of the guide rod (220).