Engraving device capable of reducing ink loading quantity of meshes

Abstract

The utility model relates to the technical field of engraving devices, and discloses an engraving device capable of reducing mesh ink loading quantity, which comprises a machine tool, a movable arm and a laser head, the end part of the laser head is provided with a focus diffusion unit, the focus diffusion unit comprises a fixing plate which is arranged at the end part of the laser head, and one side of the fixing plate is fixedly connected with a connecting sleeve; a lens sleeve is mounted in the connecting sleeve, a focusing lens is mounted on the inner wall of the end part of the lens sleeve, and the focal length of the focusing lens is 100mm; the focus diffusion unit is installed at the end of the laser head, the focus lens in the focus diffusion unit is used for focusing and diffusing light emitted by the laser head, the focused light does not make contact with a machined ink roller, appropriate laser energy is used, the focused and diffused light is made to gently engrave a layer of net wall on the surface of the outer wall of the machined ink roller, and therefore the surface of the machined ink roller is smooth. Therefore, secondary machining of the ink roller is achieved, the ink carrying amount of the ink roller is reduced, efficiency is high, cost is low, and secondary machining and using of the ink roller are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of engraving devices, in particular to an engraving device that reduces the amount of ink carried by mesh holes. Background Art

[0002] The ink roller is a roller in a printing press that applies ink to the printing plate. In the printing industry, the function of the ink roller is to quantitatively and evenly deliver the printing ink to the printing plate to ensure the vividness and consistency of the printed product and save pigments. In the production process of the ink roller, an engraving device is required to engrave mesh holes on the outer wall of the ink roller to carry the ink.

[0003] Because some rollers are not well controlled during the production process, the ink load is large after engraving, or when the ink load of a roller with a large ink load is reduced, if a thick mesh wall is directly cast, the printing leveling will decrease and the use requirements cannot be met. If it is directly polished and re-engraved, it will incur a large cost. The existing engraving device is not conducive to secondary processing of the ink roller.

[0004] Therefore, an engraving device is proposed to reduce the amount of ink carried by the mesh. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an engraving device for reducing the ink carrying amount of a mesh, and the engraving device can directly perform secondary processing on the ink roller to reduce the ink carrying amount of the ink roller, improve processing efficiency and reduce costs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an engraving device for reducing the amount of ink carried by a mesh, comprising a machine tool, a movable arm and a laser head, a focus diffusion unit is installed at the end of the laser head, the focus diffusion unit comprises a fixing plate installed with the end of the laser head, a connecting sleeve is fixedly connected to one side of the fixing plate, a mirror sleeve is installed in the connecting sleeve, a focusing mirror is installed on the inner wall of the end of the mirror sleeve, the focusing mirror has a focal length of 100mm, the focus of the laser head shooting through the focusing mirror is located between the focusing mirror and the ink roller and the focus does not contact the ink roller, and a lens protection unit for protecting the focusing mirror is installed on the end face of the mirror sleeve.

[0007] Preferably, the lens sleeve is slidably connected in the connecting sleeve, and the length of the connecting sleeve is smaller than the length of the lens sleeve.

[0008] Preferably, the focus diffusion unit also includes a screw sleeve rotatably connected to the outer wall of the lens sleeve, the inner wall of the screw sleeve is provided with an arc groove, the outer wall of the connecting sleeve is penetrated with a straight groove, the outer wall of the lens sleeve is fixedly connected with a sliding column, one end of the sliding column passes through a straight groove and extends into the arc groove.

[0009] Preferably, the lens protection unit includes a sliding sleeve fixedly connected to the outer wall of the lens case, a sliding groove is provided on the inner wall of the sliding sleeve, a limiting ring is slidably connected in the sliding groove, a shielding cover is fixedly connected to the inner wall of the limiting ring, and a handle is fixedly connected to the outer wall of the shielding cover.

[0010] Preferably, one side of the shielding cover is magnetically connected to the outer end surface of the mirror cover, and the thickness of the limiting ring is smaller than the width of the inner wall of the sliding groove.

[0011] Preferably, the outer wall of the screw sleeve is provided with scale lines, and the outer wall of the connecting sleeve is provided with pointing grooves corresponding to the scale lines.

[0012] Preferably, the outer end surface of the movable arm is fixedly connected with a connecting pipe, and a ranging rod is slidably connected inside the connecting pipe.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model installs a focus diffusion unit at the end of the laser head, and uses a focusing mirror in the focus diffusion unit to focus and diffuse the light emitted by the laser head. The focused light does not contact the processed ink roller. By using appropriate laser energy, the focused and diffused light gently engraves a layer of mesh wall on the outer wall of the processed ink roller, so as to realize secondary processing of the ink roller, thereby reducing the ink carrying amount of the ink roller, with high efficiency and low cost, and is convenient for secondary processing of the ink roller.

[0015] 2. The mirror sleeve and the connecting sleeve in the utility model slide, so that the distance between the focusing mirror and the ink roller can be adjusted to adapt to the processing and use of ink rollers of different sizes.

[0016] 3. The utility model realizes linear movement by rotating the screw sleeve, and the sliding column on the outer wall of the lens sleeve cooperates with the arc groove on the inner wall of the screw sleeve and the straight groove on the outer wall of the connecting sleeve, so that the lens sleeve drives the focusing lens to move, so as to achieve stable and accurate adjustment of the focusing lens.

[0017] 4. The utility model installs a lens protection unit on the outer wall of the lens sleeve. When the focusing lens is not in use, the lens protection unit can be used to protect the focusing lens, thereby increasing the service life.

[0018] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2This is a schematic diagram of the structure of the output end of the laser head of the utility model;

[0021] Figure 3 It is a detailed structural schematic diagram of the focus diffusion unit and the lens protection unit of the utility model;

[0022] Figure 4 for Figure 3 A partial enlarged view of the middle part;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the connecting sleeve and the twisting sleeve of the utility model;

[0024] Figure 6 It is a schematic diagram of the explosion structure of the focus diffusion unit of the utility model.

[0025] In the figure: 1. machine tool; 2. movable arm; 3. laser head; 4. focus diffusion unit; 41. fixing plate; 42. connecting sleeve; 43. lens sleeve; 44. focusing lens; 45. screw sleeve; 46. straight groove; 47. arc groove; 48. slide column; 5. lens protection unit; 51. sliding sleeve; 52. sliding groove; 53. limit ring; 54. shielding cover; 55. handle; 6. connecting tube; 7. ranging rod; 8. pointing groove; 9. scale line. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this technical field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-6 The engraving device for reducing the amount of ink carried by a mesh in this embodiment comprises a machine tool 1, a movable arm 2 and a laser head 3. A focus diffusion unit 4 is installed at the end of the laser head 3. The focus diffusion unit 4 comprises a fixing plate 41 installed with the end of the laser head 3. A connecting sleeve 42 is fixedly connected to one side of the fixing plate 41. A mirror sleeve 43 is installed in the connecting sleeve 42. A focusing mirror 44 is installed on the inner wall of the end of the mirror sleeve 43. The focusing mirror 44 has a focal length of 100 mm. The focus of the laser head 3 passing through the focusing mirror 44 is located between the focusing mirror 44 and the ink roller and the focus does not contact the ink roller. A lens protection unit 5 for protecting the focusing mirror 44 is installed on the end surface of the mirror sleeve 43.

[0028] like Figure 1 , 2As shown in , 3, 5, and 6, the structure of the engraving device in the utility model is similar to the structure of the existing engraving device. The main improvement of the utility model is that the engraving device can directly perform secondary processing on the ink roller to reduce the ink carrying amount of the ink roller, improve processing efficiency, and reduce costs; the machine tool 1, movable arm 2, and laser head 3 in the utility model are all prior arts, wherein the movable arm 2 is driven to move on the machine tool 1, and the laser head 3 is installed on the movable arm 2; when the ink carrying amount of the ink roller needs to be reduced, the ink roller is installed on the fixture on the machine tool 1, the fixture fixes the ink roller and drives the ink roller to rotate, the laser head 3 is started to work, and the laser The head 3 directs the laser toward the focusing mirror 44, which is supported by the mirror sleeve 43. The mirror sleeve 43 is installed on the outer end of the laser head 3 through the connecting sleeve 42 and the fixing plate 41. The focusing mirror 44 focuses the laser and then diffuses it. The focal point of the laser does not contact the ink roller. By using appropriate laser energy and selecting 300 to 400 lines of dense line number, the focused and diffused light can gently engrave a layer of mesh wall on the outer wall of the processed ink roller. The movable arm 2 drives the laser head 3 to move and cooperates with the rotation of the ink roller to realize the secondary processing of the ink roller, thereby reducing the ink carrying amount of the ink roller. It is efficient and low in cost, and is convenient for the secondary processing of the ink roller.

[0029] like Figure 3 , 5 As shown in FIGS. 6 and 7 , the mirror sleeve 43 is slidably connected in the connecting sleeve 42, and the length of the connecting sleeve 42 is smaller than the length of the mirror sleeve 43; the mirror sleeve 43 can move in the connecting sleeve 42, thereby driving the focusing mirror 44 to move, so as to adjust the distance between the focusing mirror 44 and the ink roller, so as to adapt to the processing of ink rollers of different sizes.

[0030] like Figure 3 , 5 As shown in Figures 6 and 7, the focus diffusion unit 4 also includes a screw sleeve 45 rotatably connected to the outer wall of the mirror sleeve 43, the inner wall of the screw sleeve 45 is provided with an arc groove 47, the outer wall of the connecting sleeve 42 is penetrated with a straight groove 46, the outer wall of the mirror sleeve 43 is fixedly connected with a slide post 48, one end of the slide post 48 is penetrated with the straight groove 46 and extends into the arc groove 47; when it is necessary to adjust the distance between the focusing mirror 44 and the ink roller, by rotating the screw sleeve 45, the arc groove 47 on the inner wall of the screw sleeve 45 drives the slide post 48 to slide in the straight groove 46, the straight groove 46 restricts the slide post 48 so that it does not rotate, the slide post 48 drives the mirror sleeve 43 to move, and the mirror sleeve 43 drives the focusing mirror 44 to move, so as to achieve stable and accurate adjustment of the distance between the focusing mirror 44 and the ink roller, thereby controlling the depth of the mesh wall engraving on the outer wall of the ink roller.

[0031] like Figure 3As shown, the lens protection unit 5 includes a sliding sleeve 51 fixedly connected to the outer wall of the lens sleeve 43, the inner wall of the sliding sleeve 51 is provided with a sliding groove 52, a limiting ring 53 is slidably connected in the sliding groove 52, a shielding cover 54 is fixedly connected to the inner wall of the limiting ring 53, and a handle 55 is fixedly connected to the outer wall of the shielding cover 54; when the focusing lens 44 is not suitable, the shielding cover 54 is lifted up by the handle 55, and the shielding cover 54 drives the limiting ring 53 to slide in the sliding groove 52, and the sliding groove 52 limits the shielding cover 54 through the limiting ring 53 until the shielding cover 54 moves outside the focusing lens 44, so that the shielding cover 54 shields the focusing lens 44 to avoid damage when not in use and increase the service life.

[0032] like Figure 3 As shown, one side of the shielding cover 54 is magnetically connected to the outer end surface of the lens sleeve 43, and the thickness of the limiting ring 53 is smaller than the inner wall width of the slide groove 52; when the shielding cover 54 is moved to the outside of the focusing lens 44, the limiting ring 53 moves laterally in the slide groove 52 by utilizing the magnetic attraction of the shielding cover 54 and the lens sleeve 43, so that the shielding cover 54 can be stably attached to the outer wall of the lens sleeve 43, thereby improving practicality.

[0033] like Figure 4 As shown, the outer wall of the screw sleeve 45 is provided with scale lines 9, and the outer wall of the connecting sleeve 42 is provided with pointing grooves 8 corresponding to the scale lines 9; the pointing grooves 8 and the scale lines 9 can be used to determine the length of the outer edge of the focusing mirror 44 after the screw sleeve 45 is turned, and then determine the focusing position of the laser, so as to facilitate the adjustment of the positions of the focusing mirror 44 and the ink roller for easy use.

[0034] like Figure 2 As shown, the outer end surface of the movable arm 2 is fixedly connected with a connecting tube 6, and a distance measuring rod 7 is slidably connected inside the connecting tube 6; by pulling the distance measuring rod 7 outward, the distance measuring rod 7 and the connecting tube 6 slide, so that the distance between the focusing lens 44 and the ink roller can be measured, so as to facilitate the adjustment of the distance between the focusing point of the focusing lens 44 and the ink roller, which is convenient for use.

[0035] The implementation steps in this embodiment are as follows: when it is necessary to reduce the ink load of the ink roller, the ink roller is mounted on the fixture on the machine tool 1, the fixture fixes the ink roller and drives the ink roller to rotate, the distance measuring rod 7 is pulled outward, the distance measuring rod 7 and the connecting tube 6 slide, so that the distance between the focusing mirror 44 and the ink roller can be sideways, so as to judge the distance between the focal point of the focusing mirror 44 and the ink roller, and then the screw sleeve 45 is rotated, the arc groove 47 on the inner wall of the screw sleeve 45 drives the slide post 48 to slide in the straight groove 46, the straight groove 46 restricts the slide post 48 so that it does not rotate, the slide post 48 drives the mirror sleeve 43 to move, and the mirror sleeve 43 drives the focusing mirror 44 to move , use the pointing groove 8 to cooperate with the scale line 9 to achieve stable and accurate adjustment of the distance between the focusing mirror 44 and the ink roller. At this time, start the laser head 3, and the laser head 3 will shoot the laser to the focusing mirror 44. The focusing mirror 44 will focus the laser and then diffuse it. The focal point of the laser does not contact the ink roller. Use appropriate laser energy and select 300 to 400 lines of dense line number to make the focused and diffused light gently engrave a layer of mesh wall on the outer wall of the processed ink roller. The movable arm 2 drives the laser head 3 to move and cooperates with the rotation of the ink roller to achieve secondary processing of the ink roller, thereby reducing the ink carrying capacity of the ink roller.

[0036] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An engraving device for reducing the amount of ink carried by a mesh, comprising a machine tool (1), a movable arm (2) and a laser head (3), characterized in that: A focus diffusion unit (4) is installed at the end of the laser head (3). The focus diffusion unit (4) comprises a fixing plate (41) installed with the end of the laser head (3). A connecting sleeve (42) is fixedly connected to one side of the fixing plate (41). A mirror sleeve (43) is installed in the connecting sleeve (42). A focusing mirror (44) is installed on the inner wall of the end of the mirror sleeve (43). The focusing mirror (44) has a focal length of 100 mm. The focus of the laser head (3) passing through the focusing mirror (44) is located between the focusing mirror (44) and the ink roller, and the focus does not contact the ink roller. A lens protection unit (5) for protecting the focusing mirror (44) is installed on the end surface of the mirror sleeve (43).

2. The engraving device for reducing the amount of ink carried by mesh according to claim 1, characterized in that: The mirror sleeve (43) is slidably connected in the connecting sleeve (42), and the length of the connecting sleeve (42) is smaller than the length of the mirror sleeve (43).

3. The engraving device for reducing the amount of ink carried by mesh according to claim 2, characterized in that: The focus diffusion unit (4) also includes a screw sleeve (45) rotatably connected to the outer wall of the lens sleeve (43), an arc groove (47) is provided on the inner wall of the screw sleeve (45), a straight groove (46) is provided through the outer wall of the connecting sleeve (42), a sliding column (48) is fixedly connected to the outer wall of the lens sleeve (43), and one end of the sliding column (48) is provided with the straight groove (46) and extends into the arc groove (47).

4. The engraving device for reducing the amount of ink carried by mesh according to claim 1, characterized in that: The lens protection unit (5) comprises a sliding sleeve (51) fixedly connected to the outer wall of the lens sleeve (43); a sliding groove (52) is provided on the inner wall of the sliding sleeve (51); a limit ring (53) is slidably connected in the sliding groove (52); a shielding cover (54) is fixedly connected to the inner wall of the limit ring (53); and a handle (55) is fixedly connected to the outer wall of the shielding cover (54).

5. The engraving device for reducing the amount of ink carried by mesh according to claim 4, characterized in that: One side of the shielding cover (54) is magnetically connected to the outer end surface of the mirror sleeve (43), and the thickness of the limiting ring (53) is smaller than the width of the inner wall of the sliding groove (52).

6. The engraving device for reducing the amount of ink carried by mesh according to claim 3, characterized in that: The outer wall of the screw sleeve (45) is provided with a scale line (9), and the outer wall of the connecting sleeve (42) is provided with a pointing groove (8) corresponding to the scale line (9).

7. The engraving device for reducing the amount of ink carried by mesh according to claim 6, characterized in that: The outer end surface of the movable arm (2) is fixedly connected to a connecting pipe (6), and a distance measuring rod (7) is slidably connected inside the connecting pipe (6).

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