Adjusting device for printing head of printer nozzle
By designing a printhead adjustment device including a moving mechanism and a lifting mechanism, the problem of print quality degradation caused by the fixed printhead height is solved, and the precise adjustment of the printhead position and height is achieved, and the printing quality and practicality are improved.
Patent Information
- Application Number
- CN202421311167.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-11
AI Technical Summary
In existing printers, the height of the print head is fixed, resulting in the spacing between the paper and the print head during printing multiple papers, affecting the printing quality.
An adjustment device including a frame body, a print head body, a moving mechanism and a lifting mechanism is designed. The horizontal movement of the printhead is achieved through the motor, screw rod and moving block, and the height adjustment of the printhead is achieved through the electric telescopic rod and displacement sensor.
By adjusting the position and height of the print head, ensure that the spacing between the paper and the print head remains constant, thereby improving printing quality and reducing the occurrence of printing errors.
Smart Images

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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printers, in particular to an adjusting device for a nozzle and a print head of a printer. Background Art
[0002] A printer is one of the output devices of a computer, used to print the results of computer processing on relevant media. There are three indicators to measure the quality of a printer: print resolution, print speed and noise. There are many types of printers. According to whether the printing element has an impact action on the paper, they are divided into impact printers and non-impact printers. According to the structure of printed characters, they are divided into full-width character printers and dot matrix character printers. According to the way a line of characters is formed on paper, they are divided into serial printers and line printers. According to the technology used, there are cylindrical, spherical, inkjet, thermal, laser, electrostatic, magnetic, light-emitting diode and other printers.
[0003] However, the print head in the existing printer has the following problems: when the print head prints multiple papers, the height of the print head is fixed. As the printing progresses, the distance between the paper and the print head becomes larger, which may affect the printing and reduce the printing quality. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that when the print head prints multiple papers, the height of the print head is fixed. As the printing progresses, the distance between the paper and the print head becomes larger, which easily affects the printing and reduces the printing quality. A device for adjusting the nozzle of a printer is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A device for adjusting a print head of a printer nozzle, comprising a frame and a print head body, wherein the frame is in a U-shape, a top inner wall of the frame is provided with a slide groove for facilitating movement of the print head body, the print head body is arranged below the top inner wall of the frame, a round hole is provided on one side of the frame, and a controller for facilitating adjustment of the print head body is fixedly connected to one side of the frame;
[0007] A moving mechanism, the moving mechanism is arranged on the frame and is used to move the print head body;
[0008] The lifting mechanism is arranged on the moving mechanism and is used for lifting and lowering the print head body.
[0009] In a possible design, the moving mechanism includes a motor, a screw and a moving block, one side of the motor is fixedly connected to one side of the frame by a bolt, the output shaft of the motor passes through a circular hole and is fixedly connected to one end of the screw, the two ends of the screw are respectively rotatably connected to the inner walls on both sides of the same frame, the output shaft of the motor and the inner wall of the circular hole rotate with each other, the moving block is threadedly sleeved on the screw, the top of the moving block is slidably connected to the top inner wall of the frame, and the print head body is arranged below the moving block.
[0010] In a possible design, the lifting mechanism includes two connecting blocks, two electric telescopic rods and a base plate, the side parts of the two connecting blocks that are close to each other are fixedly connected to the two sides of the same moving block, the fixed ends of the two electric telescopic rods are respectively fixedly connected to the bottoms of the two connecting blocks, the telescopic ends of the two electric telescopic rods are respectively fixedly connected to the two sides of the top of the same base plate, and the bottom of the base plate is fixedly connected to the top of the print head body.
[0011] In one possible design, a mounting plate is fixedly connected to the top of the print head body, bolt holes are provided on both sides of the mounting plate for facilitating disassembly and assembly of the print head body, bolts are threadedly connected to the two bolt holes, and the mounting plate is fixedly connected to the bottom of the base plate via bolts.
[0012] In a possible design, a displacement sensor for adjusting the height of the print head body is fixedly connected to one side of the bottom of the base plate.
[0013] In a possible design, a sliding block adapted to the slide slot is fixedly connected to the top of the moving block, the sliding block is slidably connected to the slide slot, and the shapes of the sliding block and the slide slot are both set to be T-shaped.
[0014] In a possible design, a crash pad is fixedly provided at the bottom of the moving block to prevent collision with the bottom plate.
[0015] In the present application, when it is necessary to print paper, the motor is started through the controller, and the output shaft of the motor drives the screw to rotate, and the screw drives the moving block to move, thereby driving the print head body to move, so as to facilitate the adjustment of the position of the print head body and ensure smooth printing. When printing multiple papers, the electric telescopic rod and the displacement sensor are started by the controller to gradually adjust the height of the print head body to ensure the quality of paper printing. A mounting plate that is easy to disassemble and assemble is provided on the print head body to facilitate the disassembly and assembly of the print head body and the maintenance of the print head body to ensure the normal operation of the print head body. T-shaped sliders and slide grooves are provided on the moving block and the frame to facilitate the stable movement of the moving block and prevent the moving block from rotating with the rotation of the screw. At the same time, an anti-collision pad is provided at the bottom of the moving block to reduce the collision damage of the bottom plate to the moving block, thereby extending the service life of the printer.
[0016] The beneficial effects of the utility model are:
[0017] In the utility model, the position and height of the print head body can be conveniently adjusted through the moving mechanism and the lifting mechanism, thereby ensuring smooth printing of paper and the quality of printed paper, improving the practicality of the printer, and realizing automated operation, reducing the occurrence of printing errors, and meeting different printing needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0019] Figure 2 It is an exploded view of the utility model;
[0020] Figure 3 It is a bottom view of the local structure of the utility model;
[0021] Figure 4 It is an exploded view of the local structure of the utility model.
[0022] In the figure: 1. frame; 2. motor; 3. controller; 4. screw; 5. slide; 6. moving block; 7. slider; 8. connecting block; 9. electric telescopic rod; 10. bottom plate; 11. mounting plate; 12. print head body; 13. displacement sensor; 14. anti-collision pad. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] Embodiment 1
[0025] Reference Figure 1-Figure 4 An adjusting device includes a frame 1 and a print head body 12. The frame 1 is U-shaped and has a slide groove 5 on its top inner wall to facilitate movement of the print head body 12. The print head body 12 is arranged below the top inner wall of the frame 1 for printing operations.
[0026] A circular hole is provided on one side of the frame 1, and a motor 2 is provided in the circular hole. The output shaft of the motor 2 passes through the circular hole and is fixedly connected to one end of a screw rod 4. The two ends of the screw rod 4 are rotatably connected to the inner walls of both sides of the frame 1 respectively, so that the rotation of the motor 2 can drive the rotation of the screw rod 4.
[0027] A moving block 6 is provided on the screw rod 4, and the moving block 6 is sleeved and connected with the screw rod 4 through a thread. A slider 7 is provided on the top of the moving block 6, and the slider 7 is slidably connected with the slide groove 5 on the top of the frame 1, so that when the screw rod 4 rotates, the moving block 6 can move along the slide groove 5 to achieve horizontal adjustment.
[0028] A lifting mechanism is provided below the moving block 6 for lifting and lowering the print head body 12. The lifting mechanism includes two connecting blocks 8, two electric telescopic rods 9 and a base plate 10. The connecting blocks 8 are fixed on both sides of the moving block 6. The fixed ends of the electric telescopic rods 9 are connected to the connecting blocks 8, and the telescopic ends are connected to the base plate 10. When the electric telescopic rods 9 are extended or retracted, the base plate 10 and the print head body 12 fixed on the base plate 10 can be driven to lift and lower, thereby realizing vertical adjustment.
[0029] On one side of the adjusting device, a controller 3 is further provided for controlling the operation of the motor 2 and the electric telescopic rod 9 , thereby achieving precise movement and lifting and lowering adjustment of the print head body 12 .
[0030] The present application can be used in the field of printers, and can also be used in other fields applicable to the present application.
[0031] Embodiment 2
[0032] refer to Figure 1-Figure 4 , based on the improvement of the first embodiment, a device for adjusting a nozzle of a printer, comprising:
[0033] In order to prevent the bottom plate 10 from colliding with the frame 1 during the movement, an anti-collision pad 14 is further provided at the bottom of the moving block 6 .
[0034] In order to facilitate the disassembly and assembly of the print head body 12, a mounting plate 11 is provided on the top of the print head body 12. Bolt holes are opened on both sides of the mounting plate 11, and the mounting plate 11 is fixedly connected to the base plate 10 by bolts. In addition, in order to more accurately control the height of the print head body 12, a displacement sensor 13 is also provided on the bottom side of the base plate 10.
[0035] However, as is well known to those skilled in the art, the working principles and wiring methods of the motor 2, the electric telescopic rod 9 and the controller 3 are commonplace, and are all conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience. The motor 2 and the electric telescopic rod 9 are connected to the controller 3 through lines and are powered by an external power supply. The model of the displacement sensor 13 is HC-C1030.
[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A device for adjusting a nozzle of a printer, characterized in that: The invention comprises a frame (1) and a print head body (12), wherein the frame (1) is arranged in a U-shape, a slide groove (5) is provided on the top inner wall of the frame (1) for facilitating movement of the print head body (12), the print head body (12) is arranged below the top inner wall of the frame (1), a circular hole is provided on one side of the frame (1), and a controller (3) is fixedly connected to one side of the frame (1) for facilitating adjustment of the print head body (12); A moving mechanism, the moving mechanism being arranged on the frame (1) and used for moving the print head body (12); A lifting mechanism is arranged on the moving mechanism and is used to lift and lower the print head body (12).
2. The adjustment device for a printer nozzle print head according to claim 1, characterized in that: The moving mechanism comprises a motor (2), a screw (4) and a moving block (6); one side of the motor (2) is fixedly connected to one side of the frame (1) by means of bolts; the output shaft of the motor (2) passes through a circular hole and is fixedly connected to one end of the screw (4); the two ends of the screw (4) are rotatably connected to the inner walls of both sides of the same frame (1); the output shaft of the motor (2) and the inner wall of the circular hole rotate with each other; the moving block (6) is threadedly sleeved on the screw (4); the top of the moving block (6) is slidably connected to the top inner wall of the frame (1); and the print head body (12) is arranged below the moving block (6).
3. The adjusting device for a printer nozzle print head according to claim 1, characterized in that: The lifting mechanism comprises two connecting blocks (8), two electric telescopic rods (9) and a bottom plate (10); the adjacent side portions of the two connecting blocks (8) are fixedly connected to the two sides of the same moving block (6); the fixed ends of the two electric telescopic rods (9) are respectively fixedly connected to the bottoms of the two connecting blocks (8); the telescopic ends of the two electric telescopic rods (9) are respectively fixedly connected to the two sides of the top of the same bottom plate (10); and the bottom of the bottom plate (10) is fixedly connected to the top of the print head body (12).
4. The adjusting device for a printer nozzle print head according to claim 1, characterized in that: The top of the print head body (12) is fixedly connected to a mounting plate (11), and bolt holes are provided on both sides of the mounting plate (11) for facilitating the disassembly and assembly of the print head body (12), and bolts are threadedly connected to the two bolt holes, and the mounting plate (11) is fixedly connected to the bottom of the base plate (10) via the bolts.
5. The adjusting device for a printer nozzle print head according to claim 3, characterized in that: A displacement sensor (13) for adjusting the height of the print head body (12) is fixedly connected to one side of the bottom of the base plate (10).
6. The adjusting device for a printer nozzle print head according to claim 2, characterized in that: A sliding block (7) adapted to the sliding groove (5) is fixedly connected to the top of the moving block (6); the sliding block (7) is slidably connected to the sliding groove (5); and the shapes of the sliding block (7) and the sliding groove (5) are both set to be T-shaped.
7. The adjusting device for a printer nozzle print head according to claim 2, characterized in that: An anti-collision pad (14) is fixedly arranged at the bottom of the moving block (6) to prevent the bottom plate (10) from colliding.
