Adjusting mechanism of printing head
By designing a printhead adjustment mechanism including guide columns, adjusting parts and elastic parts, the problem of insufficient printhead position accuracy and adjustment flexibility is solved, and the accurate fine-tuning of the printhead is achieved, thereby improving print quality and work continuity.
Patent Information
- Application Number
- CN202411443743.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-01-07
AI Technical Summary
In the existing printing technology, the position accuracy and adjustment flexibility of the print head are insufficient, which makes it difficult to adjust the deviation caused by errors and wear, affects the printing quality, and changes in ambient temperature aggravate the deformation problem. The existing fixed methods lack effective adjustment methods, which increase Discontinuity between maintenance costs and print jobs.
A printhead adjustment mechanism including a mounting plate, an adjustment frame and an adjustment device is designed. The precise position adjustment of the printhead is achieved through guide columns, transverse and longitudinal adjustment parts, elastic members and locking holes. The adjustment frame can rotate along the guide column and The lateral movement is combined with the elastic force of the elastic member to achieve multi-directional fine adjustment and fix the position through the locking hole.
It realizes accurate adjustment of print head position, improves printing consistency and accuracy, reduces maintenance costs, and enhances the continuity and efficiency of print jobs.
Smart Images
Figure CN119261414A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of printing, and in particular to an adjusting mechanism of a printing head. Background Art
[0002] The description in this section merely provides background information related to the present disclosure and does not constitute prior art.
[0003] In the field of printing technology, multiple print heads are usually fixed on a mounting plate to achieve collaborative work. However, this traditional mounting method has significant limitations, especially in terms of the position accuracy and adjustment flexibility of the print heads. First, even small errors in the installation process may have a significant impact on the final print quality. These errors may be caused by factors such as inaccurate installation positioning and uneven tightening force, resulting in deviations between the print head and the expected position. In addition, during long printing operations, the print head may also shift due to factors such as mechanical wear, thermal expansion and contraction of materials, or external vibrations, further exacerbating printing errors. Secondly, changes in ambient temperature are also an important factor affecting the position accuracy of the print head. As the ambient temperature rises or falls, the print head and its mounting plate may deform due to thermal expansion and contraction, resulting in deviations between the actual position of the print head and the expected position, thereby affecting the print quality.
[0004] However, in existing printing technologies, once the print head has an error, it is difficult to make effective position adjustments. This is mainly because the fixing method between the print head and the mounting plate is often relatively rigid, lacking the necessary adjustment mechanism or means. Therefore, when the print head has an error, it is usually necessary to stop the machine for tedious manual adjustments, or even replace the entire mounting plate or print head, which not only increases maintenance costs, but also seriously affects the continuity and efficiency of printing operations.
[0005] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solutions of the present invention and for the convenience of understanding by those skilled in the art. It cannot be considered that the above technical solutions are well known to those skilled in the art simply because these solutions are described in the background technology section of the present invention. Summary of the invention
[0006] The technical problem to be solved by the present invention is to provide an adjustment mechanism for a print head.
[0007] In order to solve the above technical problems, the present invention provides an adjustment mechanism for a print head, the adjustment mechanism includes a mounting plate, a plurality of adjustment frames and a plurality of adjustment devices arranged on the mounting plate, the adjustment frames and the adjustment devices are arranged in a one-to-one correspondence, a guide column is arranged on the adjustment frame, the mounting plate is provided with a transversely arranged guide groove, the guide column is inserted into the guide groove, the guide column can rotate in the guide groove and can move transversely along the guide groove, the adjustment device includes a transverse adjustment member and a longitudinal adjustment member, the longitudinal adjustment member is used to apply a longitudinal force to the adjustment frame so that the adjustment frame can rotate along the guide column by an angle; the transverse adjustment member is used to apply a transverse force to the adjustment frame so that the guide column moves transversely along the guide groove, thereby realizing transverse adjustment of the adjustment frame.
[0008] Preferably, the guide column is arranged on the lower surface of the adjustment frame and is close to the first side of the adjustment frame, the adjustment device is close to the second side of the adjustment frame, the first side and the second side are arranged opposite to each other left and right, the second side is provided with a first protruding block protruding outward, the longitudinal adjustment member is used to apply a longitudinal force to the first protrusion, and the transverse adjustment member is used to apply a transverse force to the second side of the adjustment frame.
[0009] Preferably, a plurality of elastic members are also installed on the mounting plate, and the elastic members are arranged in one-to-one correspondence with the adjustment frame. The elastic members include a first spring sheet, and the first spring sheet acts on the first side of the adjustment frame to enable the adjustment frame to obtain a lateral rebound force.
[0010] Preferably, the elastic member further comprises a second elastic sheet, the first side of the regulating frame protrudes outward to form a second convex block, and the second elastic sheet acts on the side of the second convex block to enable the regulating frame to obtain a longitudinal resilience force.
[0011] Preferably, the first protrusion and the second protrusion are both provided with locking holes, and when the adjustment frame is adjusted, the adjustment frame is fixed on the mounting plate through the locking holes.
[0012] Preferably, the middle position of the adjustment frame is a print head mounting hole for installing the print head, a circle of annular protrusions is arranged along the edge of the print head mounting hole, and a plurality of adjustment frame mounting holes for installing the adjustment frame are arranged on the mounting plate. The annular protrusion is inserted into the adjustment frame mounting hole, and there is a clearance fit between the annular protrusion and the edge of the adjustment frame mounting hole.
[0013] Preferably, the front and rear sides of the adjustment frame are respectively the third side and the fourth side, positioning holes are respectively provided on the third side and the fourth side, and positioning columns are respectively provided on the front and rear sides of the adjustment frame mounting hole of the mounting plate, and the positioning columns are matched and connected with the positioning holes, and there is a clearance fit between the positioning columns and the positioning holes.
[0014] Preferably, the adjusting frame is provided with a plurality of fixing holes, and the fixing holes are used to fix the print head in the adjusting frame.
[0015] Preferably, the adjustment device includes an adjustment block, on which a first top screw and a second top screw are provided, the first top screw directly or indirectly acts laterally on the first side of the adjustment frame, and the second top screw directly or indirectly acts longitudinally on the first protrusion of the adjustment frame.
[0016] By means of the above technical solution, the beneficial effects of the present invention are as follows:
[0017] The print head adjustment mechanism of the present invention is provided with an adjustment frame, the print head is mounted on the adjustment frame, and the position of the print head is finely adjusted by adjusting the position of the adjustment frame. The design of the adjustment mechanism enables the position of the print head to be adjusted very accurately to adapt to different printing requirements and conditions, thereby improving the consistency and accuracy of printing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the adjustment mechanism of the present application.
[0019] Figure 2 It is a structural schematic diagram of the adjustment mechanism of the present application.
[0020] Figure 3 It is a structural schematic diagram of the adjustment mechanism of the present application.
[0021] Figure 4 It is a structural schematic diagram of the mounting plate of the present application.
[0022] Among them: 1. Adjustment block; 2. Adjustment frame; 3. Mounting plate;
[0023] 21. Print head mounting hole; 22. First protrusion; 23. Elastic member; 24. Fixing hole; 25. Second protrusion; 26. Guide column; 27. Annular protrusion; 28. Positioning hole;
[0024] 31. Adjustment frame mounting hole; 32. Guide groove; 33. Adjustment block mounting portion; 34. Positioning column. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0026] It should be noted that, in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and to distinguish similar objects. There is no order of precedence between the two, and they cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.
[0027] like Figure 1-4 As shown, the present invention provides an adjustment mechanism for a print head, the adjustment mechanism comprises a mounting plate 3, a plurality of adjustment frames 2 arranged on the mounting plate 3, and a plurality of adjustment devices, the adjustment frames 2 and the adjustment devices are arranged in a one-to-one correspondence, a guide column 26 is arranged on the adjustment frame 2, the mounting plate 3 is provided with a transversely arranged guide groove 32, the guide column 26 is inserted into the guide groove 32, the guide column 26 can rotate in the guide groove 32 and can move transversely along the guide groove 32, the adjustment device comprises a transverse adjustment member and a longitudinal adjustment member, the longitudinal adjustment member is used to apply a longitudinal force to the adjustment frame 2 so that the adjustment frame 2 can rotate an angle along the guide column 26; the transverse adjustment member is used to apply a transverse force to the adjustment frame 2 so that the guide column 26 moves transversely along the guide groove 32, thereby realizing transverse adjustment of the adjustment frame 2.
[0028] The guide column 26 is arranged on the lower surface of the adjustment frame 2 and is close to the first side of the adjustment frame 2. The adjustment device is close to the second side of the adjustment frame 2. The first side and the second side are arranged opposite to each other. The second side is provided with a first protruding block 22 protruding outward. The longitudinal adjustment member is used to apply a longitudinal force to the first protruding block 22, and the transverse adjustment member is used to apply a transverse force to the second side of the adjustment frame 2. The design of this adjustment mechanism allows the position of the print head to be adjusted very accurately to adapt to different printing requirements and conditions, thereby improving the consistency and accuracy of printing.
[0029] The mounting plate 3 is also provided with a plurality of elastic members 23, which are arranged one by one with the adjusting frame 2. The elastic members 23 include a first elastic sheet, which acts on the first side of the adjusting frame 2, so that the adjusting frame 2 obtains a lateral resilience. The elastic member 23 also includes a second elastic sheet, and the first side of the adjusting frame 2 protrudes outward to form a second convex block 25, and the second elastic sheet acts on the side of the second convex block 25, so that the adjusting frame 2 obtains a longitudinal resilience. When the lateral adjusting member is called back, the adjusting frame 2 can move back in the lateral direction under the action of the first elastic sheet, and when the longitudinal adjusting member is called back, the adjusting frame 2 can rotate in the opposite direction around the guide column 26 under the action of the second elastic sheet, so as to achieve fine adjustment of each direction of the adjusting frame 2. The first convex block 22 and the second convex block 25 are both provided with locking holes, and when the adjusting frame 2 is adjusted, the adjusting frame 2 is fixed to the mounting plate 3 through the locking holes.
[0030] like Figure 4 As shown, the middle position of the adjustment frame 2 is a print head mounting hole 21 for mounting a print head, and a circle of annular protrusions 27 are arranged along the edge of the print head mounting hole 21. The mounting plate 3 is provided with a plurality of adjustment frame mounting holes 31 for mounting the adjustment frame 2. The annular protrusions 27 are inserted into the adjustment frame mounting holes 31, and there is a clearance fit between the annular protrusions 27 and the edges of the adjustment frame mounting holes 31. The front and rear sides of the adjustment frame are respectively the third side and the fourth side, and the third side and the fourth side are respectively provided with positioning holes 28. The front and rear sides of the adjustment frame mounting hole 31 of the mounting plate 3 are respectively provided with positioning posts 34, and the positioning posts 34 are matched and connected with the positioning holes 28, and there is a clearance fit between the positioning posts 34 and the positioning holes 28. This allows a certain amount of adjustment between the adjustment frame and the mounting plate 3. After the fine adjustment is completed, the adjustment frame can be fixed on the mounting plate 3 by a locking member. The adjusting frame is also provided with a plurality of fixing holes 24, and the fixing holes 24 are used to fix the print head in the adjusting frame.
[0031] The adjustment device comprises an adjustment block 1, on which a first top screw and a second top screw are arranged, wherein the first top screw directly or indirectly acts on the first side of the adjustment frame in a horizontal direction, and the second top screw directly or indirectly acts on the first protrusion 22 of the adjustment frame in a vertical direction. In this embodiment, the first top screw is the horizontal adjustment member mentioned above, and the second top screw is the vertical adjustment member mentioned above.
[0032] The above-described embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or changes made by those skilled in the art based on the present invention are within the protection scope of the present invention. The protection scope of the present invention shall be subject to the claims.
Claims
1. A print head adjustment mechanism, characterized in that: The adjustment mechanism comprises a mounting plate, a plurality of adjustment frames and a plurality of adjustment devices arranged on the mounting plate. The adjustment frame and the adjustment device are arranged in one-to-one correspondence. The adjusting frame is provided with a guide column, the mounting plate is provided with a transversely arranged guide groove, the guide column is inserted into the guide groove, the guide column can rotate in the guide groove and can move transversely along the guide groove, The adjusting device comprises a transverse adjusting member and a longitudinal adjusting member. The longitudinal adjustment member is used to apply a longitudinal force to the adjustment frame so that the adjustment frame can rotate along the guide column by a certain angle; The lateral adjustment member is used to apply a lateral force to the adjustment frame, so that the guide column moves laterally along the guide groove, thereby realizing lateral adjustment of the adjustment frame.
2. The adjustment mechanism according to claim 1, characterized in that: The guide column is arranged on the lower surface of the adjustment frame and is close to the first side of the adjustment frame. The adjustment device is close to the second side of the adjustment frame. The first side and the second side are arranged opposite to each other. The second side is provided with a first protrusion protruding outwards, The longitudinal adjustment member is used to apply a longitudinal force to the first protrusion, and the transverse adjustment member is used to apply a transverse force to the second side of the adjustment frame.
3. The adjustment mechanism according to claim 2, characterized in that: A plurality of elastic members are also installed on the mounting plate. The elastic members are arranged one-to-one with the adjustment frame. The elastic members include a first spring sheet. The first spring sheet acts on the first side of the adjustment frame to enable the adjustment frame to obtain a lateral rebound force.
4. The adjustment mechanism according to claim 3, characterized in that: The elastic member further comprises a second elastic sheet, the first side edge of the regulating frame protrudes outward to form a second convex block, and the second elastic sheet acts on the side of the second convex block to enable the regulating frame to obtain a longitudinal resilience.
5. The adjustment mechanism according to claim 4, characterized in that: The first protrusion and the second protrusion are both provided with locking holes. When the adjustment of the adjustment frame is completed, the adjustment frame is fixed on the mounting plate through the locking holes.
6. The adjustment mechanism according to claim 5, characterized in that: The middle position of the adjustment frame is a print head mounting hole for installing the print head, a circle of annular protrusions is arranged along the edge of the print head mounting hole, and a plurality of adjustment frame mounting holes for installing the adjustment frame are arranged on the mounting plate. The annular protrusion is inserted into the adjustment frame mounting hole, and there is a clearance fit between the annular protrusion and the edge of the adjustment frame mounting hole.
7. The adjustment mechanism according to claim 6, characterized in that: The front and rear sides of the adjustment frame are respectively the third side and the fourth side, and positioning holes are respectively provided on the third side and the fourth side. Positioning columns are respectively provided on the front and rear sides of the adjustment frame mounting hole of the mounting plate, and the positioning columns are matched and connected with the positioning holes, and there is a clearance fit between the positioning columns and the positioning holes.
8. The adjustment mechanism according to claim 7, characterized in that: The adjusting frame is also provided with a plurality of fixing holes, and the fixing holes are used to fix the print head in the adjusting frame.
9. The adjustment mechanism according to claim 5, characterized in that: The adjusting device comprises an adjusting block, on which a first top screw and a second top screw are arranged, wherein the first top screw directly or indirectly acts laterally on the first side of the adjusting frame, and the second top screw directly or indirectly acts longitudinally on the first protrusion of the adjusting frame.
Citation Information
Patent Citations
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