Laser angle adjusting assembly of laser printing device

Abstract

The utility model relates to a laser angle adjusting assembly of a laser printing device. The problem that in the prior art, the laser printing angle is difficult to adjust flexibly is solved. The device comprises a laser refraction assembly box body, one side of the laser refraction assembly box body is provided with a galvanometer transition connecting plate, the axis of the galvanometer transition connecting plate is provided with an over-position through hole allowing laser to penetrate through, the laser refraction assembly box body is provided with a laser reflection mechanism, and a laser reflection adjusting assembly is arranged in the laser refraction assembly box body and located on one side of the laser reflection mechanism. The rotation control structure is arranged in the laser refraction assembly box body, located on the other side of the laser reflection mechanism and used for controlling the rotation angle of the laser reflection mechanism. The laser printing device has the advantages that the output angle of the laser beam can be flexibly adjusted, and diversified laser printing requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser printing technical field, concretely relates to a laser angle adjusting assembly of laser printing device. BACKGROUND

[0002] Laser printer is the printing output device that combines laser scanning technology and electrophotography technology, and the basic working principle of laser printer is that binary data information from computer is converted into video signals through video controller, and then light is converted by mirror to photosensitive drum by laser head, and laser printer has accelerated certification trend in recent years. Although the present laser printer has the advantages of fast speed and high quality, but in the printing process, the printing position can only be set and edited through computer, when facing multiple printing needs single page arrangement, the printing position will be offset or inclined, thereby reducing work efficiency and wasting paper, bringing troubles to daily use and other problems. In addition, it is difficult to adjust the laser printing angle according to the printing demand, and the printing misplacement problem often occurs due to the position offset of laser beam, which affects the printing precision.

[0003] In order to solve the problems existing in the prior art, people have carried out long-term exploration and put forward all sorts of solutions. For example, the Chinese patent document discloses a laser printing device with precise positioning [CN202010540983.3], which comprises a main body, a button is arranged on the front upper side of the main body, a fixed base is installed on the left side of the inside of the main body, a laser head is installed on the right lower side of the fixed base, an angle sensor is installed on the right oblique upper side of the laser head, and a converter is arranged at the light receiving place of the angle sensor, a paper drawer is installed on the front middle part of the main body, and a handle is arranged below the main body.

[0004] The above scheme solves the problem that the printing position of the laser printing device in the prior art is difficult to edit single page, and it is difficult to meet the single page printing demand to some extent, but the scheme still has many deficiencies, for example: it is difficult to adjust the laser printing angle according to the printing demand, and the printing misplacement problem often occurs due to the position offset of laser beam, which affects the printing precision. SUMMARY

[0005] The utility model aims at above -mentioned problem, provides a laser angle adjusting assembly of laser printing device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a laser angle adjusting assembly of laser printing device, including laser refraction assembly box body, laser refraction assembly box body one side is equipped with galvanometer transition connecting plate, and the galvanometer transition connecting plate axle center is equipped with the through -hole of the over -the -top of laser, and laser refraction assembly box body is equipped with laser reflection mechanism, and the laser reflection mechanism one side in laser refraction assembly box body is equipped with laser reflection adjusting assembly, and the rotation control structure for controlling the rotation angle of laser reflection mechanism in laser refraction assembly box body and the other side of laser reflection mechanism is equipped with.

[0007] In the laser angle adjusting assembly of laser printing device, the laser refraction assembly box body is provided with a focusing field mirror corresponding to one end of the laser reflection mechanism.

[0008] In the laser angle adjusting assembly of laser printing device, the laser refraction assembly box body includes a mounting base, a positioning cover plate is arranged on the mounting base, and a closed frame body is connected to the mounting base.

[0009] In the laser angle adjusting assembly of laser printing device, the laser reflection mechanism includes a deflection mirror body driven by a rotation adjusting motor, and the rotation adjusting motor is positioned by a ring-shaped motor base.

[0010] In the laser angle adjusting assembly of laser printing device, the laser reflection adjusting assembly includes a reflection galvanometer adjuster, a reflection galvanometer is rotatably arranged at one end of the reflection galvanometer adjuster, and the other end of the reflection galvanometer adjuster is fixed by a galvanometer base.

[0011] In the laser angle adjusting assembly of laser printing device, the reflection galvanometer adjuster is positioned by a T-shaped pressing block, and the bottom of the pressing block has an arc-shaped positioning groove corresponding to the outer wall of the reflection galvanometer adjuster.

[0012] In the laser angle adjusting assembly of laser printing device, the reflection galvanometer is a flat adjusting galvanometer, or the reflection galvanometer is a prismatic adjusting galvanometer.

[0013] In the laser angle adjusting assembly of laser printing device, the positioning cover plate is provided with a pressing block positioning groove, the pressing block is fixedly installed in the pressing block positioning groove, and one side of the pressing block positioning groove is provided with a ring-shaped mounting groove for fixing the ring-shaped motor base.

[0014] In the laser angle adjusting assembly of laser printing device, the rotation control structure includes a sensor mounting groove arranged on the positioning cover plate, and at least two rotation stroke sensors are arranged in the sensor mounting groove.

[0015] In the laser angle adjusting assembly of the laser printing device, the outer wall of the laser refraction assembly box body is provided with a laser protection cover body corresponding to the focusing field mirror.

[0016] Compared with the prior art, the laser printing device has the advantages that operation and use are convenient, the projection angle of the laser beam after entering can be flexibly adjusted relative to the reflection angle, the laser beam is ensured to be gathered in a vertical material line segment after reflection, the printing angle can be adjusted according to the change of the material in the printing process, the use flexibility is good, and the use effect is good because the direct current servo motor is used to realize accurate positioning and high-speed printing. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 is a laser reflection route map in the first embodiment;

[0019] Figure 3 is a schematic diagram of the positioning cover plate structure in the utility model;

[0020] Figure 4 is a laser reflection route map in the second embodiment;

[0021] In the figure: laser refraction assembly box body 1, galvanometer transition connecting plate 11, over-position through hole 12, laser protection cover body 13, mounting base 14, positioning cover plate 15, pressing block positioning groove 151, annular mounting groove 152, closed frame body 16, laser reflection mechanism 2, deflection mirror body 21, rotation adjustment motor 22, annular motor base 23, laser reflection adjustment assembly 3, reflection galvanometer adjuster 31, reflection galvanometer 32, galvanometer base 33, pressing block 34, arc-shaped positioning recess 35, rotation control structure 4, inductor mounting groove 41, rotation stroke inductor 42, focusing field mirror 5. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0023] First embodiment

[0024] As Figures 1-3As shown, a laser angle adjusting assembly of a laser printing device includes a laser refraction assembly box 1, a galvanometer transition connecting plate 11 is arranged on one side of the laser refraction assembly box 1, and an axial through hole 12 for laser passing through is arranged on the galvanometer transition connecting plate 11, the laser refraction assembly box 1 is provided with a laser reflection mechanism 2, a laser reflection adjusting assembly 3 is arranged in the laser refraction assembly box 1 and located on one side of the laser reflection mechanism 2, and a rotation control structure 4 for controlling the rotation angle of the laser reflection mechanism 2 is arranged in the laser refraction assembly box 1 and located on the other side of the laser reflection mechanism 2.

[0025] The laser refraction assembly box 1 is provided with a focusing field mirror 5 corresponding to one end of the laser reflection mechanism 2.

[0026] The laser printing beam reflected by the laser reflection adjusting assembly 3 is output after being focused by the focusing field mirror.

[0027] As can be seen, the laser refraction assembly box 1 includes a mounting base 14, the mounting base 14 is provided with a positioning cover plate 15, and the mounting base 14 is connected with a closed frame body 16.

[0028] The positioning cover plate 15 is used to ensure the stability of the assembly, and the closed frame body 16 is used to create a closed environment to avoid external light interference on the laser beam.

[0029] Obviously, the laser reflection mechanism 2 includes a deflection mirror body 21, the deflection mirror body 21 is driven by a rotation adjusting motor 22, and the rotation adjusting motor 22 is positioned by a ring-shaped motor base 23.

[0030] The rotation adjusting motor 22 herein adopts a direct current servo motor, which has the advantages of accurate positioning and high speed compared with a traditional scanning motor.

[0031] The deflection mirror body 21 is mainly used for preliminary angle correction and adjustment of the incoming laser beam.

[0032] Further, the laser reflection adjusting assembly 3 includes a reflection galvanometer adjuster 31, a reflection galvanometer 32 is rotatably arranged at one end of the reflection galvanometer adjuster 31, and the other end of the reflection galvanometer adjuster 31 is fixed by a galvanometer seat 33.

[0033] The reflection galvanometer 32 is used to keep the adjusted laser beam vertically output or multi-angle output.

[0034] Specifically, the reflection galvanometer adjuster 31 is positioned by a T-shaped pressing block 34, and the pressing block 34 is provided with an arc-shaped positioning groove 35 corresponding to the outer wall of the reflection galvanometer adjuster 31 at the bottom.

[0035] The pressing block 34 is used to ensure the stability of the reflection galvanometer adjuster 31.

[0036] Further, the reflecting mirror 32 is a flat adjusting mirror.

[0037] The shape is flat on both sides and slightly convex in the middle.

[0038] More specifically, the positioning cover plate 15 is provided with a pressing block positioning groove 151, the pressing block 34 is fixedly installed in the pressing block positioning groove 151, and one side of the pressing block positioning groove 151 is provided with an annular mounting groove 152 for fixing the annular motor base 23.

[0039] In detail, the rotation control structure 4 includes a sensor mounting groove 41 arranged on the positioning cover plate 15, and at least two rotation stroke sensors 42 are arranged in the sensor mounting groove 41 respectively.

[0040] Here, one of the two rotation stroke sensors 42 is used for positioning the initial stroke and the termination stroke, and the other is used for limiting the position of the adjustment.

[0041] Preferably, the outer wall of the laser refraction assembly box 1 is provided with a laser protection cover body 13 corresponding to the focusing field mirror 5. The laser protection cover body 13 is used to ensure that the focused laser output is not disturbed by external light.

[0042] Embodiment two

[0043] As shown in the figure, the structure and principle of the embodiment are the same as those of embodiment one, and the difference lies in that the reflecting mirror 32 is a prismatic adjusting mirror. Figure 4 The prismatic adjusting mirror used can gently adjust more output angles to meet the needs of different printing materials in daily printing process.

[0044] In summary, the principle of the embodiment is that the laser beam enters through the through hole 12 and is preliminarily adjusted in angle by the laser reflection mechanism 2, and then is reflected to the laser reflection adjustment assembly 3 for output angle adjustment to form a line segment perpendicular to the printing material. Among them, the rotation control structure 4 controls the rotation stroke of the laser reflection mechanism 2 to ensure the reflection accuracy, and different shapes of reflecting mirrors 32 are set to meet the adjustment of different laser output angles, and a DC servo motor is used to achieve the purpose of accurate positioning and high-speed printing.

[0045] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

[0046]

[0047] ​Although the terms laser refraction assembly box 1, mirror transition connecting plate 11, through hole 12, laser protection cover 13, mounting base 14, positioning cover plate 15, closed frame 16, laser reflection mechanism 2, deflection mirror body 21, rotating adjusting motor 22, annular motor base 23, laser reflection adjusting assembly 3, reflection galvanometer adjusting device 31, reflection galvanometer 32, galvanometer base 33, pressing block 34, arc-shaped positioning groove 35, rotating control structure 4, inductor mounting groove 41, rotating stroke inductor 42, pressing block positioning groove 151, annular mounting groove 152 and the like are used more in the text, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A laser angle adjusting assembly of a laser printing device, comprising a laser refraction assembly box (1), one side of the laser refraction assembly box (1) is provided with a galvanometer transition connecting plate (11), and the axis of the galvanometer transition connecting plate (11) is provided with a through hole (12) through which laser can pass, characterized in that, The laser reflection assembly box (1) is provided with a laser reflection mechanism (2), the laser reflection assembly box (1) is provided with a laser reflection adjusting assembly (3) on the side of the laser reflection mechanism (2), and the laser reflection assembly box (1) is provided with a rotation control structure (4) for controlling the rotation angle of the laser reflection mechanism (2) on the other side of the laser reflection mechanism (2).

2. The laser angle adjustment assembly of a laser printing device according to claim 1, wherein, The lower side of the laser reflection assembly box (1) is provided with a focusing field mirror (5) corresponding to one end of the laser reflection mechanism (2).

3. The laser angle adjustment assembly of a laser printing device according to claim 1, wherein, The laser reflection assembly box (1) comprises a mounting base (14), the mounting base (14) is provided with a positioning cover plate (15), and the mounting base (14) is connected with a closed frame body (16).

4. The laser angle adjustment assembly of a laser printing device according to claim 3, wherein, The laser reflection mechanism (2) comprises a deflection mirror body (21), the deflection mirror body (21) is driven by a rotation adjusting motor (22), and the rotation adjusting motor (22) is positioned by a ring-shaped motor base (23).

5. The laser angle adjustment assembly of a laser printing device according to claim 4, wherein, The laser reflection adjusting assembly (3) comprises a reflection galvanometer adjusting device (31), one end of the reflection galvanometer adjusting device (31) is provided with a reflection galvanometer (32), and the other end of the reflection galvanometer adjusting device (31) is provided with a vibration mirror base (33).

6. The laser angle adjustment assembly of a laser printing device according to claim 5, wherein, The reflection galvanometer adjusting device (31) is positioned by a T-shaped pressing block (34), and the bottom of the pressing block (34) is provided with an arc-shaped positioning groove (35) corresponding to the outer wall of the reflection galvanometer adjusting device (31).

7. The laser angle adjustment assembly of a laser printing device according to claim 6, wherein, The reflection galvanometer (32) is a flat adjusting galvanometer, or the reflection galvanometer (32) is a prismatic adjusting galvanometer.

8. The laser angle adjustment assembly of a laser printing device according to claim 7, wherein, The positioning cover plate (15) is provided with a pressing block positioning groove (151), the pressing block (34) is fixedly installed in the pressing block positioning groove (151), and one side of the pressing block positioning groove (151) is provided with a ring-shaped mounting groove (152) for fixing the ring-shaped motor base (23).

9. The laser angle adjustment assembly of a laser printing device according to claim 8, wherein, The rotation control structure (4) comprises a sensor mounting groove (41) arranged on the positioning cover plate (15), and at least two rotation stroke sensors (42) are arranged in the sensor mounting groove (41).

10. The laser angle adjustment assembly of a laser printing device of claim 1, wherein, The outer wall of the laser reflection assembly box (1) is provided with a laser protection cover body (13) corresponding to the focusing field mirror (5).

Images