Light path transmission mechanism for disordered laser punching

By flexibly connecting the reflector assembly and the pneumatic hose, the laser drilling equipment achieves a disordered hole distribution on the splicing paper, solving the problem of disordered drilling in the existing technology, reducing equipment costs and improving drilling effect.

CN223811673UActive Publication Date: 2026-01-20WUHAN GUANYOU TECH CO LTD
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Patent Information

Application Number
CN202520439589.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-20
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

In existing technologies, laser drilling equipment has difficulty achieving disordered drilling, especially on tipping paper in the tobacco industry, where it is impossible to effectively control the disordered distribution of holes.

Method used

The system employs a reflector assembly, a guide outer cylinder, and a disordered reflection structure. A flexible pneumatic hose drives the reflector to generate irregular vibrations, which, combined with a focusing field lens, achieves a disordered light spot distribution. The flexible connection and limiting structure between the pneumatic hose and the reflector seat control the disordered vibrations of the reflector, thus achieving a disordered drilling effect.

Benefits of technology

This technology enables the laser drilling equipment to achieve disordered hole distribution on the splicing paper. The cost is lower than that of motor-driven equipment, and the effect is no less than that of traditional electric drive equipment. It improves the disordered drilling effect of the equipment and reduces manufacturing and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of laser drilling equipment, and discloses a light path transmission mechanism for disordered laser drilling, which is characterized in that horizontal incident light is reflected by a reflector, reflected light spots enter a focusing field lens for focusing, tipping paper needing to be drilled moves on a plane at a high speed, and the required focusing light spot size can be realized; therefore, the laser drilling of the aperture with the required size is realized; after the pneumatic hose is embedded in the reflecting mirror base, the pneumatic hose and the reflecting mirror are integrated, irregular vibration is conducted, the reflecting mirror is driven to generate the same irregular vibration, and therefore the reflection angle of a light path is changed, after focusing is conducted through the focusing mirror, focusing light spots are distributed on tipping paper in an irregular and disordered state, and the purpose of disordered punching is achieved. Compared with a transmission electric appliance driving unit, the structure has the advantages that the manufacturing and maintenance cost is low, the effect is not inferior to that of motor driving, and the disordered punching effect of equipment is further improved due to disordered vibration of the hose structure.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to laser punching equipment field, concretely relates to a light path transmission mechanism of laser disordered punching. BACKGROUND

[0002] At present, in the tobacco industry, especially in tipping paper punching equipment, there are two punching demand modes, one is ordered punching (punching type and punching position present regular distribution), and the other is disordered punching (punching position presents disordered distribution).

[0003] The current developed and utilized tipping paper punching technology mainly includes mechanical punching, electric spark punching, laser punching and other technologies, and laser punching becomes a widely used mode in the world due to the advantages of uniform punching, stable air permeability and the like. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model aims at providing a light path transmission mechanism of laser disordered punching to solve the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A light path transmission mechanism of laser disordered punching, comprising a reflecting mirror assembly, a guide outer cylinder and a disordered reflecting structure, the guide outer cylinder is fixedly installed with a laser device, the reflecting mirror assembly is fixedly installed at one end of the guide outer cylinder, the disordered reflecting structure comprises a reflecting frame and a reflecting cover, the reflecting cover is fixedly installed at one side of the top of the reflecting frame and is arranged at an inclined angle of forty-five degrees, a plurality of flexible springs are arranged at the bottom center of the reflecting cover, the reflecting cover is fixedly connected with a reflecting seat through the flexible springs, a reflecting mirror is arranged at the bottom center of the reflecting seat, an air inlet is arranged at the middle of the reflecting seat, the air inlet penetrates out of the outside of the reflecting frame, a pneumatic hose is fixedly installed in the air inlet, one end of the pneumatic hose penetrates out of the air inlet and is in a free state, the other end of the pneumatic hose is connected with an air source, a limiting structure is arranged in the reflecting frame and close to the periphery of the reflecting seat, and the reflecting frame limits the vibration amplitude of the reflecting seat through the limiting structure;

[0007] The other end of the guide outer cylinder is slidably connected with a light guide cylinder, one end of the light guide cylinder is fixedly connected with one vertical side of the reflecting frame, a telescopic dustproof cylinder is fixedly installed at the bottom of the reflecting frame, a focusing field mirror is fixedly installed at the bottom of the dustproof cylinder, the focusing field mirror is fixedly installed with a lifting end of a vertical adjusting mechanism, the vertical adjusting mechanism is fixedly installed at one side of the reflecting frame, a horizontal adjusting mechanism is arranged at the top of the reflecting frame, and the horizontal adjusting mechanism is fixedly installed with the laser device.

[0008] In an optimal embodiment of the utility model, the limiting structure includes several spring plungers, the spring plungers are evenly arranged around the reflecting seat and are fixedly installed with the reflecting frame, and the spring pin ends of the spring plungers are in close contact with the outer surface of the reflecting seat.

[0009] In an optimal embodiment of the utility model, the vertical adjusting mechanism includes a mounting plate, the mounting plate is fixedly installed on one side of the reflecting frame along the vertical direction, a vertical edge of the mounting plate is rotationally connected with a first adjusting screw along the vertical direction, the bottom of the first adjusting screw is threadedly connected with one end of a connecting seat, a sliding block is fixedly installed in the middle of the connecting seat, the sliding block is slidingly connected with the surface of a slide rail, the slide rail is fixedly installed with the mounting plate along the vertical direction, and the other end of the connecting seat is fixedly installed with the focusing field mirror.

[0010] In an optimal embodiment of the utility model, the top of the first adjusting screw is fixedly installed with a first adjusting knob, a contact spring is sleeved outside the first adjusting screw, and the two ends of the contact spring are in contact with the first adjusting knob and the connecting seat respectively.

[0011] In an optimal embodiment of the utility model, the dustproof cylinder is a flexible bellows.

[0012] In an optimal embodiment of the utility model, the horizontal adjusting mechanism includes an adjusting support, the adjusting support is fixedly installed on the top of the reflecting frame, a second adjusting screw is rotationally connected with the middle of the adjusting support along the length direction of the adjusting support, the second adjusting screw is threadedly connected with an adjusting block, and the adjusting block is in the adjusting support and is fixedly connected with the reflecting frame.

[0013] In an optimal embodiment of the utility model, one end of the second adjusting screw is fixedly connected with a second adjusting knob, and the surface of the second adjusting knob is uniformly provided with anti-skid lines.

[0014] In an optimal embodiment of the utility model, the focusing field mirror is above the tipping paper, and the reflecting mirror assembly punches holes on the surface of the tipping paper through a disorderly machine.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] This invention utilizes a horizontally incident light beam that is reflected by a mirror. The reflected light spot then enters a focusing lens for focusing. The mounting paper to be perforated moves at high speed on a plane. By changing the size of the light spot before focusing or the focal length of the focusing lens, the required focused light spot size can be achieved, thus enabling laser perforation of the required aperture size. After the pneumatic hose is embedded in the mirror mount, it becomes an integral part of the mirror and vibrates irregularly, causing the mirror to vibrate irregularly as well. This changes the reflection angle of the light path, and after being focused by the focusing lens, the focused light spot is distributed irregularly and randomly on the mounting paper, achieving the purpose of disordered perforation. Compared to the electrical drive unit of the transmission, the manufacturing and maintenance costs of this structure are much lower, while the effect is no less than that of using a motor drive. Furthermore, the disordered vibration of the hose structure further enhances the disordered perforation effect of the equipment. Attached Figure Description

[0017] Figure 1 This is a first three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the full cross-sectional planar structure of this utility model;

[0020] Figure 4 for Figure 3 A magnified structural diagram at point A;

[0021] Figure 5 This is a schematic diagram illustrating the working principle of this utility model.

[0022] In the diagram: 1. Reflector assembly; 2. Guide outer cylinder; 3. Vertical adjustment mechanism; 31. First adjustment knob; 32. First adjustment screw; 33. Contact spring; 34. Mounting plate; 35. Slider; 36. Slide rail; 37. Connecting seat; 4. Horizontal adjustment mechanism; 41. Second adjustment knob; 42. Adjustment bracket; 43. Adjustment block; 44. Second adjustment screw; 5. Light guide tube; 6. Dustproof tube; 7. Focusing field lens; 8. Disordered reflection structure; 81. Spring plunger; 82. Flexible spring; 83. Reflector cover; 84. Reflector seat; 85. Reflector frame; 86. Reflector lens; 87. Pneumatic hose; 88. Air inlet; 9. Splicing paper. Detailed Implementation

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0024] The utility model will be further described below in combination with the drawings and specific embodiments.

[0025] Please refer to Figures 1-5 The embodiment of the application provides a kind of optical path transmission mechanism of laser disorder punching, including mirror assembly 1, guide outer tube 2 and disorder reflection structure 8, guide outer tube 2 is fixedly installed with laser equipment, mirror assembly 1 is fixedly installed at one end of guide outer tube 2, disorder reflection structure 8 includes reflection frame 85 and reflection cover 83, reflection cover 83 is fixedly installed in the top one side of reflection frame 85 and is set to be inclined forty-five degrees angle, the bottom center of reflection cover 83 is provided with a plurality of flexible springs 82, reflection cover 83 is fixedly connected with reflection seat 84 by a plurality of flexible springs 82, the bottom center of reflection seat 84 is provided with reflecting mirror 86, the middle part of reflection seat 84 is provided with air inlet 88, air inlet 88 is worn outside reflection frame 85, and pneumatic hose 87 is fixedly installed in it, one end of pneumatic hose 87 is worn air inlet 88 and is in free state, the other end of pneumatic hose 87 is connected to gas source, and the periphery near reflection seat 84 in reflection frame 85 is provided with limiting structure, and the vibration amplitude of reflection seat 84 is limited by limiting structure of reflection frame 85;

[0026] The other end of guide outer tube 2 is slidably connected with light guide cylinder 5, one end of light guide cylinder 5 is fixedly connected with the vertical side of reflection frame 85, and the bottom of reflection frame 85 is fixedly installed with telescopic dustproof cylinder 6, the bottom of dustproof cylinder 6 is fixedly installed with focusing field mirror 7, focusing field mirror 7 is fixedly installed with lifting end of vertical adjusting mechanism 3, vertical adjusting mechanism 3 is fixedly installed on one side of reflection frame 85, the top of reflection frame 85 is provided with horizontal adjusting mechanism 4, and horizontal adjusting mechanism 4 is fixedly installed with laser equipment.

[0027] Specifically, as shown in Figures 1-5 After horizontal incident light 9 is reflected by 45° mirror, light spot enters focusing field mirror 7 and focuses, the product needing to be punched moves at high speed on focal plane, the size of entrance light spot and the focal length of focusing mirror are changed and adjusted, the size of required focusing light spot is realized, so that laser punching of required size aperture is realized.

[0028] The reflecting frame 85 is fixed on the equipment and is connected with the reflecting seat 84 through the flexible spring 82 connector to form a flexible floating connection, the reflecting mirror is fixedly installed on the reflecting seat 84, one end of the flexible pneumatic hose 87 is fixed on the reflecting frame 85, the other end penetrates through the reflecting seat 84 (a larger gap is left) and is in a free state, when air is supplied to the flexible pneumatic hose 87, the pneumatic hose 87 in the free floating state is caused to irregularly jump under the action of strong air pressure, and then the floating reflecting seat 84 is caused to irregularly vibrate to drive the lens to irregularly vibrate to change the transmission path of the light path, so that the light spot is disordered.

[0029] In a preferred embodiment of the utility model, further, the limiting structure includes a plurality of spring plungers 81, the plurality of spring plungers 81 are uniformly arranged around the reflecting seat 84 and are fixedly installed with the reflecting frame 85, and the spring pin end portions of the plurality of spring plungers 81 are all close to the outer surface of the reflecting seat 84.

[0030] Specifically, as shown in Figure 4 By arranging the spring plunger 81 around the reflecting seat 84, the vibration effect of the reflecting seat 84 can be ensured, and the reflecting seat 84 is prevented from being excessively vibrated due to the too large vibration amplitude, so that the reflecting disordered laser light speed exit angle is not too large, the connecting paper 9 surface cannot be acted on, the production efficiency of the equipment is reduced, or the disordered hole density is too large and too sparse, and the product quality is affected.

[0031] In a preferred embodiment of the utility model, further, the vertical adjusting mechanism 3 includes an installation plate 34, the installation plate 34 is fixedly installed on one side of the reflecting frame 85 along the vertical direction, a first adjusting screw 32 is rotationally connected to one vertical edge of the installation plate 34 along the vertical direction, the bottom of the first adjusting screw 32 is threadedly connected to one end of a connecting seat 37, a sliding block 35 is fixedly installed at the middle of the connecting seat 37, the sliding block 35 is slidingly connected to the surface of a sliding rail 36, the sliding rail 36 is fixedly installed with the installation plate 34 along the vertical direction, and the other end of the connecting seat 37 is fixedly installed with the focusing field mirror 7.

[0032] In a preferred embodiment of the utility model, further, the top of the first adjusting screw 32 is fixedly installed with a first adjusting knob 31, and a contact spring 33 is sleeved outside the first adjusting screw 32, and the two ends of the contact spring 33 are in contact with the first adjusting knob 31 and the connecting seat 37 respectively.

[0033] Specifically, as shown in Figures 1-3 By rotating the first adjusting knob 31 to drive the first adjusting screw 32 to rotate, the connecting seat 37 is driven to ascend and descend on the surface of the first adjusting screw 32, the focusing field mirror 7 is driven to move up and down to adjust the focal length, the size of the light spot is adjusted, the dustproof cylinder 6 is a telescopic flexible bellows and is telescopic with the movement of the focusing field mirror 7.

[0034] In a preferred embodiment of the utility model, further, the transverse adjusting mechanism 4 includes the adjusting support 42, the adjusting support 42 is fixedly installed on the top of the reflecting frame 85, the middle part of the adjusting support 42 is rotationally connected with the second adjusting screw 44 along its length direction, the second adjusting screw 44 is threadedly connected with the adjusting block 43, the adjusting block 43 is inside the adjusting support 42, its bottom is fixedly connected with the reflecting frame 85, one end of the second adjusting screw 44 is fixedly connected with the second adjusting knob 41, the surface of the second adjusting knob 41 is uniformly provided with the anti-skid lines.

[0035] In a preferred embodiment of the utility model, further, the focusing field lens 7 is above the tipping paper 9, the reflecting mirror assembly 1 is punched on the surface of the tipping paper 9 through the disorder machine.

[0036] Specifically, as shown in Figures 1-3 The second adjusting knob 41 drives the second adjusting screw 44 to rotate, thereby driving the adjusting block 43 to drive the reflecting frame 85 to reciprocate along the length direction of the second adjusting screw 44, and simultaneously driving the light guide cylinder 5 to slide into or out of the guide outer cylinder 2, so as to adjust the positional relationship between the focusing field lens 7 and the tipping paper 9, and facilitate punching.

[0037] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has been described, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A kind of optical path transmission mechanism of laser disorder punching, including mirror assembly (1), guide outer tube (2) and disorder reflection structure (8), the guide outer tube (2) is fixedly installed with laser equipment, the mirror assembly (1) is fixedly installed in one end of the guide outer tube (2), it is characterized by: The unordered reflection structure (8) includes a reflection frame (85) and a reflection cover (83), the reflection cover (83) is fixedly installed on one side of the top of the reflection frame (85) and is arranged at an inclined angle of forty-five degrees, a plurality of flexible springs (82) are arranged on the bottom of the reflection cover (83), the reflection cover (83) is fixedly connected with the reflection seat (84) through the flexible springs (82), a reflecting lens (86) is arranged on the bottom of the reflection seat (84), an air inlet (88) is arranged on the middle of the reflection seat (84), the air inlet (88) penetrates out of the reflection frame (85), a pneumatic hose (87) is fixedly installed in the air inlet (88), one end of the pneumatic hose (87) penetrates out of the air inlet (88) and is in a free state, the other end of the pneumatic hose (87) is connected with an air source, a limiting structure is arranged in the reflection frame (85) and close to the periphery of the reflection seat (84), the vibration amplitude of the reflection seat (84) is limited through the limiting structure. The other end of the guide outer cylinder (2) is slidably connected with a light guide cylinder (5), one end of the light guide cylinder (5) is fixedly connected with one vertical side of the reflection frame (85), a telescopic dustproof cylinder (6) is fixedly installed on the bottom of the reflection frame (85), a focusing field mirror (7) is fixedly installed on the bottom of the dustproof cylinder (6), the focusing field mirror (7) is fixedly installed with the lifting end of the vertical adjusting mechanism (3), the vertical adjusting mechanism (3) is fixedly installed on one side of the reflection frame (85), a horizontal adjusting mechanism (4) is arranged on the top of the reflection frame (85), the horizontal adjusting mechanism (4) is fixedly installed with the laser equipment.

2. The optical path transmission mechanism for laser disorderly perforating according to claim 1, characterized in that: The limiting structure includes a plurality of spring plungers (81), the spring plungers (81) are uniformly arranged around the reflection seat (84) and are fixedly installed with the reflection frame (85), the spring pin ends of the spring plungers (81) are close to the outer surface of the reflection seat (84).

3. The optical path transmission mechanism for laser disorderly perforating according to claim 2, characterized in that: The vertical adjusting mechanism (3) includes a mounting plate (34), the mounting plate (34) is fixedly installed on one side of the reflection frame (85) along the vertical direction, a first adjusting screw (32) is rotatably connected with one vertical edge of the mounting plate (34) along the vertical direction, the bottom of the first adjusting screw (32) is threadedly connected with one end of a connecting seat (37), a sliding block (35) is fixedly installed on the middle of the connecting seat (37), the sliding block (35) is slidably connected with the surface of a slide rail (36), the slide rail (36) is fixedly installed with the mounting plate (34) along the vertical direction, the other end of the connecting seat (37) is fixedly installed with the focusing field mirror (7).

4. The optical path transmission mechanism for laser disorderly perforating according to claim 3, characterized in that: A first adjusting knob (31) is fixedly installed on the top of the first adjusting screw (32), a resisting spring (33) is sleeved on the outside of the first adjusting screw (32), the two ends of the resisting spring (33) are respectively in contact with the first adjusting knob (31) and the connecting seat (37).

5. The optical path transmission mechanism for laser disorderly perforating according to claim 1, characterized in that: The dustproof cylinder (6) is a telescopic flexible bellows.

6. The optical path transmission mechanism for laser disorderly perforating according to claim 2, characterized in that: The transverse adjusting mechanism (4) comprises an adjusting support (42) fixedly installed at the top of the reflecting frame (85), a second adjusting screw (44) rotatably connected to the middle of the adjusting support (42) along the length direction, the second adjusting screw (44) is in threaded connection with an adjusting block (43), and the adjusting block (43) is internally arranged in the adjusting support (42) and fixedly connected with the reflecting frame (85).

7. The optical path transmission mechanism for laser disorderly perforating according to claim 6, characterized in that: One end of the second adjusting screw (44) is fixedly connected with a second adjusting knob (41), and the surface of the second adjusting knob (41) is uniformly provided with anti-skid lines.

8. The optical path transmission mechanism for laser disorderly perforating according to claim 1, characterized in that: The focusing field mirror (7) is arranged above the tipping paper (9), and the reflecting mirror assembly (1) punches holes on the surface of the tipping paper (9) through a disordering machine.