Laser cutting equipment

By combining displacement control and dust collection mechanisms in laser cutting equipment, precise positioning and impurity removal of PVB membranes are achieved, solving the problems of low yield and production cycle caused by traditional blade cutting, and improving the quality of finished membranes and production efficiency.

CN223455293UActive Publication Date: 2025-10-21TIANJIN HONGDE AUTO GLASS CO LTD
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Patent Information

Application Number
CN202422750808.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-10-21
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

In existing technologies, impurities generated during the traditional blade cutting of PVB films are difficult to detect in a timely manner, leading to a decrease in the yield and quality of laminated glass and requiring additional trimming time, which affects the production cycle.

Method used

Using laser cutting equipment, combined with a displacement control mechanism, a laser cutting mechanism, and a dust collection mechanism, precise positioning is provided through an image capture port, and the dust collection mechanism absorbs the smoke and dust generated during cutting, achieving rapid cutting and impurity removal.

Benefits of technology

It effectively reduces impurities in the diaphragm during the cutting process, improves the yield, saves trimming time, and increases production cycle time.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223455293U_ABST
Patent Text Reader

Abstract

The utility model discloses laser cutting equipment which comprises an adsorption platform, a laser cutting mechanism, a dust collection mechanism and a displacement control mechanism. The displacement control mechanism is arranged on the adsorption platform, the laser cutting mechanism and the dust collecting mechanism are arranged at the movable end of the displacement control mechanism, and the displacement control mechanism can control the laser cutting mechanism and the dust collecting mechanism to move above the adsorption platform at the same time. The laser cutting mechanism is provided with an image capturing opening and a laser cutting opening. The image capturing opening, the laser cutting opening and a dust collecting opening of the dust collecting mechanism are all opposite to the table top of the adsorption platform. The laser cutting head is used for executing the cutting action, the image system is used for providing accurate positioning during cutting, the whole diaphragm is rapidly cut, smoke generated by cutting is absorbed through the dust collecting opening of the dust collecting mechanism, impurities generated in the diaphragm cutting process are effectively reduced, meanwhile, the trimming time is saved, the diaphragm yield is increased, and the production takt is promoted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to diaphragm cutting technical field, especially a kind of laser cutting equipment. BACKGROUND

[0002] The mechanical control of some factory's cutting PVB diaphragm precision cutting machine uses traditional blade cutting needed pattern, but impurities such as PVB chips, belt chips are always generated due to blade cutting, part of impurities will be retained on PVB diaphragm after cutting.But operator cannot accurately see impurities when laminating, and then impurities are often laminated into laminated glass, only after high pressure is completed can be seen;Therefore, the existence of impurities affects laminated glass yield and product quality, and personnel need to spend time on trimming edge of diaphragm, slow down production rhythm. SUMMARY

[0003] The utility model solves the technical problems that provide a kind of laser cutting equipment, effectively reduce the impurities generated in the cutting process of diaphragm, save trimming time simultaneously, improve diaphragm yield, improve production rhythm.

[0004] In order to solve the above technical problems, the technical scheme adopted by the utility model is:

[0005] A kind of laser cutting equipment, including adsorption platform, laser cutting mechanism, dust collection mechanism and displacement control mechanism;

[0006] The displacement control mechanism is arranged on the adsorption platform, the laser cutting mechanism and the dust collection mechanism are arranged on the movable end of the displacement control mechanism, and the displacement control mechanism can control the laser cutting mechanism and the dust collection mechanism to move above the adsorption platform;

[0007] The laser cutting mechanism has image capture port and laser cutting port;

[0008] The image capture port, the laser cutting port and the dust collection port of the dust collection mechanism are oppositely arranged with the table top of the adsorption platform.

[0009] Further, the laser cutting mechanism includes mounting base and laser, optical reflection assembly and laser cutting head arranged on the mounting base;The mounting base is arranged on the movable end of the displacement control mechanism, the laser forms laser transmission path leading to the laser cutting port through the optical reflection assembly, and the camera target grabbing assembly is provided on the laser cutting head;

[0010] The camera port of the camera target grabbing assembly and the laser cutting port of the laser cutting head are oppositely arranged with the table top of the adsorption platform.

[0011] Further, the displacement control mechanism comprises an X-axis linear displacement assembly, a Y-axis linear displacement assembly and a Z-axis focusing assembly.

[0012] The X-axis linear displacement assembly is arranged on the tabletop of the adsorption platform and parallel to the feeding direction of the automatic feeding mechanism.

[0013] The Y-axis linear displacement assembly is arranged on the X-axis linear displacement assembly.

[0014] The Z-axis focusing assembly is arranged on the Y-axis linear displacement assembly.

[0015] The laser cutting mechanism and the dust collecting mechanism are both arranged on the Z-axis focusing assembly.

[0016] Further, the automatic feeding mechanism is arranged on the tabletop edge of the adsorption platform.

[0017] Further, the automatic feeding mechanism comprises a mounting frame, a winding-up assembly, a unwinding assembly and a first deviation rectifying assembly.

[0018] The winding-up assembly, the unwinding assembly and the first deviation rectifying assembly are arranged in sequence along a straight line direction on the mounting frame, and the first deviation rectifying assembly is located on the tabletop edge of the adsorption platform.

[0019] Further, the automatic feeding mechanism further comprises a moving trolley, and the moving trolley is provided with a lifting platform for placing the raw material to be cut.

[0020] Further, the winding-up assembly is at least two sets, and all the winding-up assemblies are arranged in sequence from bottom to top on the mounting frame.

[0021] Further, the automatic feeding mechanism further comprises a second deviation rectifying assembly.

[0022] The second deviation rectifying assembly is arranged on the winding-up assembly.

[0023] Further, the automatic feeding mechanism further comprises a cutting pressure block, and the cutting pressure block is arranged on the mounting frame and located between the unwinding assembly and the first deviation rectifying assembly.

[0024] Further, at least two adsorption holes are arranged on the tabletop of the adsorption platform.

[0025] The adsorption platform is provided with a smoke dust filter connected with the adsorption holes.

[0026] Further, the dust collecting mechanism comprises a dust collector, a dust collecting pipeline and a discharge assembly arranged on the mounting base.

[0027] The dust collector is arranged adjacent to the laser cutting head, and the dust collector is communicated with one end of the dust collection pipeline, the other end of the dust collection pipeline is communicated with the exhaust assembly, and the dust collection opening of the dust collector is arranged opposite to the table top of the adsorption platform.

[0028] The laser cutting equipment has the advantages that the displacement control mechanism drives the laser cutting mechanism and the dust collection mechanism to move above the adsorption platform at the same time, the laser cutting head performs a cutting action, accurate positioning is provided by the image system during cutting, whole piece rapid cutting is realized, the dust collection opening of the dust collection mechanism absorbs smoke and dust generated during cutting, impurities generated during the cutting process of the diaphragm are effectively reduced, the trimming time is saved, the diaphragm yield is improved, and the production rhythm is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structure front view of the laser cutting equipment (not containing an automatic feeding mechanism) of the utility model;

[0030] Figure 2 It is a side view of the laser cutting equipment (containing an automatic feeding mechanism) related to the embodiment of the utility model;

[0031] Figure 3 It is a top view of the laser cutting equipment related to the embodiment of the utility model;

[0032] Figure 4 It is a composition schematic view of the laser cutting mechanism and the dust collection mechanism of the laser cutting equipment related to the embodiment of the utility model;

[0033] Figure 5 It is a composition schematic view of the automatic feeding mechanism of the laser cutting equipment related to the embodiment of the utility model.

[0034] Label explanation:

[0035] 1, automatic feeding mechanism; 2, adsorption platform; 3, laser cutting mechanism; 4, dust collection mechanism; 5, displacement control mechanism;

[0036] 11, mounting frame; 12, winding assembly; 13, unwinding assembly; 14, first deviation rectifying assembly; 15, second deviation rectifying assembly; 16, cutting pressure block; 17, moving trolley; 18, lifting platform;

[0037] 21, adsorption hole; 22, smoke dust filter;

[0038] 31, mounting base; 32, laser; 33, optical reflection assembly; 34, laser cutting head;

[0039] 41, dust collector; 42, dust collection pipeline;

[0040] 51, X-axis linear displacement assembly; 52, Y-axis linear displacement assembly. DETAILED DESCRIPTION

[0041] To illustrate the technical content of the present application, the purposes and effects achieved, the following embodiments are described in conjunction with the accompanying drawings.

[0042] The mechanical control of the existing cutting PVB film precision cutting machine uses traditional blade cutting patterns, and the impurities generated during cutting will remain on the cut PVB film. However, the operator cannot accurately see the impurities when splicing, which often leads to impurities being spliced into the laminated glass, which can only be seen after high pressure is completed; thereby affecting the yield and quality of the finished product, and personnel need to spend time trimming the film, slowing down the production rhythm.

[0043] Based on this, the present application proposes a laser cutting equipment, as shown in Figures 1 to 5 The displacement control mechanism 5 is provided on the adsorption platform 2, the laser cutting mechanism 3 and the dust collection mechanism 4 are provided on the movable end of the displacement control mechanism 5, the displacement control mechanism 5 can control the laser cutting mechanism 3 and the dust collection mechanism 4 to move above the adsorption platform 2 at the same time, the laser cutting mechanism 3 has an image capture port and a laser cutting port, and the image capture port and the laser cutting port are provided opposite to the dust collection port of the dust collection mechanism 4. The surface of the adsorption platform 2.

[0044] As shown in Figure 1 And Figure 2 Before cutting, the PVB film to be cut is adsorbed and fixed on the adsorption platform 2; the laser cutting mechanism 3 moves on the adsorption platform 2 to cut different positions on the PVB film to be cut; the movement control of the laser cutting mechanism 3 is completed by the CCD image system and the displacement control mechanism 5.

[0045] Among them, the core part of the image system is the image processing software, that is, the visual software commonly referred to in industrial automation. When working, the CCD camera takes a picture of the product through the image capture port, transmits it to the image acquisition card, and the image acquisition card converts the signal into a digital signal and transmits it to the computer. The image processing software analyzes, locates, identifies and processes the collected data, and returns the product's coordinate value, proportion, angle and other parameters to the user. The displacement control mechanism 5 can move the laser cutting mechanism 3 in three-dimensional space, including X-axis direction, Y-axis direction and Z-axis direction. The combination of X-axis direction movement and Y-axis direction movement is used to cut different positions on the PVB film, and the Z-axis direction movement is used to adjust the laser focal length.

[0046] In some embodiments, the laser cutting mechanism 3 includes a mounting base 31, a laser 32, an optical reflector assembly 33, and a laser cutting head 34 disposed on the mounting base 31. The laser 32 is preferably a CO2 laser 32. The mounting base 31 is disposed on the movable end of the displacement control mechanism 5. The laser 32 forms a laser transmission path leading to the laser cutting opening through the optical reflector assembly 33. The laser cutting head 34 is provided with a camera target grabbing assembly. The camera target grabbing assembly's camera port and the laser cutting opening of the laser cutting head 34 are both disposed opposite the surface of the adsorption platform 2. The laser cutting mechanism 3 uses the camera target grabbing assembly for target positioning, enabling the device to precisely cut along a preset path.

[0047] In some embodiments, the displacement control mechanism 5 includes an X-axis linear displacement component 51, a Y-axis linear displacement component 52 and a Z-axis focusing component; the X-axis linear displacement component 51 is arranged on the table of the adsorption platform 2 and is parallel to the feeding direction of the automatic feeding mechanism 1; the Y-axis linear displacement component 52 is arranged on the X-axis linear displacement component 51; the Z-axis focusing component is arranged on the Y-axis linear displacement component 52; the laser cutting mechanism 3 and the dust collection mechanism 4 are both arranged on the Z-axis focusing component.

[0048] As a preferred design, the X-axis linear displacement assembly 51 and the Y-axis linear displacement assembly 52 are composed of high-precision screw guides and servo motor drives to ensure the positioning accuracy and repeatability of the operation; the Z-axis adopts a screw guide and servo motor drive with a self-locking anti-collision mechanism. Figure 3 As shown, the two first high-precision screw guide rails of the X-axis linear displacement component 51 are respectively laid on the opposite sides of the adsorption platform 2, and the two ends of the second high-precision screw of the Y-axis linear displacement component 52 are respectively connected to the sliders of the two first high-precision screw guide rails. The X-axis linear displacement component 51 controls the left and right movement of the entire Y-axis linear displacement component 52, the laser cutting mechanism 3 and the dust collecting mechanism 4, while the laser cutting mechanism 3 and the dust collecting mechanism 4 are arranged on the slider of the second high-precision screw and are controlled by the Y-axis linear displacement component 52 to move up and down.

[0049] like Figure 1 and Figure 3 As shown, the surface of the adsorption platform 2 is provided with at least two adsorption holes 21; a smoke filter 22 is provided within the adsorption platform 2 and communicates with the adsorption holes 21. Specifically, the adsorption platform 2 utilizes a honeycomb-like structure with adsorption holes 21 evenly distributed across the surface, ensuring that the product can be effectively laid flat and fixed on the surface during processing while also ensuring smoke exhaust without contaminating the membrane surface.

[0050] Furthermore, the dust collecting mechanism 4 comprises a dust collector 41, a dust collecting pipe 42 and a discharge assembly arranged on the mounting base 31; the dust collector 41 is arranged adjacent to the laser cutting head 34, the dust collector 41 is communicated with one end of the dust collecting pipe 42, the other end of the dust collecting pipe 42 is communicated with the discharge assembly, and the dust collecting port of the dust collector 41 is arranged opposite to the table surface of the adsorption platform 2. The device drives the dust by the blowing airflow and synchronously collects the dust through the pipeline; in the processing process, the dust collecting port moves synchronously with the laser to ensure that the smoke dust is completely and effectively discharged, and in combination with the smoke discharging function of the adsorption hole 21 of the adsorption platform 2, the impurities generated in the cutting process cannot pollute the product.

[0051] As shown in Figure 2 , on the basis of using the laser cutting, the device further comprises an automatic feeding mechanism 1, and the discharge port of the automatic feeding mechanism 1 is arranged on the edge of the table surface of the adsorption platform 2, so as to facilitate conveying the PVB film to be cut onto the adsorption platform 2. The automatic feeding mechanism 1 comprises a moving trolley 17, a mounting frame 11, a winding-up assembly 12, a winding-off assembly 13 and a first deviation rectifying assembly 14; the winding-up assembly 12, the winding-off assembly 13 and the first deviation rectifying assembly 14 are sequentially arranged on the mounting frame 11 in a straight line direction, and the first deviation rectifying assembly 14 is located on the edge of the table surface of the adsorption platform 2. The moving trolley 17 is provided with a lifting platform 18 for placing the raw material to be cut.

[0052] Before cutting, the moving trolley 17 is manually used for feeding, the PVB film to be cut is stored on the winding-up assembly, and when the cutting starts, the winding-off assembly 13 is used to pull out and convey the PVB film to the adsorption platform 2, and the first deviation rectifying assembly 14 can ensure that the PVB film to be cut is accurately positioned on the specified position on the adsorption platform 2. Furthermore, the winding-up assembly 12 is at least two sets, and all the winding-up assemblies 12 are sequentially arranged on the mounting frame 11 from bottom to top. The automatic feeding mechanism 1 further comprises a second deviation rectifying assembly 15 and a cutting pressing block 16; the second deviation rectifying assembly 15 is arranged on the winding-up assembly 12. The cutting pressing block 16 is arranged on the mounting frame 11, and the cutting pressing block 16 is located between the winding-off assembly 13 and the first deviation rectifying assembly 14. As shown in Figure 5 , if the winding-up assembly 12 is three sets, three PVB films to be cut can be simultaneously placed, and the head and tail ends of the films are spliced by adhesive tape to realize the connection of the whole film. The second deviation rectifying assembly 15 cooperates with the first deviation rectifying assembly 14 to facilitate adjusting the uniformity of the tension, and the material is not damaged.

[0053] Please refer to Figures 1 to 5 , the embodiment one of the utility model is:

[0054] The application relates to a laser cutting device which comprises an adsorption platform 2, a laser cutting mechanism 3, a dust collecting mechanism 4 and a displacement control mechanism 5; the displacement control mechanism 5 is arranged on the adsorption platform 2, the laser cutting mechanism 3 and the dust collecting mechanism 4 are arranged on the movable end of the displacement control mechanism 5, and the displacement control mechanism 5 can simultaneously control the laser cutting mechanism 3 and the dust collecting mechanism 4 to move above the adsorption platform 2; the laser cutting mechanism 3 is provided with an image capturing opening and a laser cutting opening; the image capturing opening and the laser cutting opening and the dust collecting opening of the dust collecting mechanism 4 are oppositely arranged with respect to the table top of the adsorption platform 2.

[0055] In the embodiment, the operation process of the laser cutting device comprises the following steps.

[0056] Firstly, a staff member places a PVB film to be cut on the adsorption platform 2 and starts the adsorption function to adsorb and fix the PVB film;

[0057] Then, the laser cutting mechanism 3 is started, the laser cutting mechanism 3 is driven by the displacement control mechanism 5 to cut the PVB film along a preset path, and the dust collecting opening of the dust collecting mechanism 4 sucks away the smoke dust generated during the cutting;

[0058] Finally, the PVB film is manually taken away and the waste is disposed of after the cutting is completed.

[0059] In the embodiment, the laser cutting mechanism 3 comprises a mounting base 31 and a laser 32, an optical reflection assembly 33 and a laser cutting head 34 which are arranged on the mounting base 31; the mounting base 31 is arranged on the movable end of the displacement control mechanism 5, the laser 32 forms a laser transmission path leading to the laser cutting opening through the optical reflection assembly 33, and the laser cutting head 34 is provided with a camera target grabbing assembly; the camera capturing opening of the camera target grabbing assembly and the laser cutting opening of the laser cutting head 34 are oppositely arranged with respect to the table top of the adsorption platform 2.

[0060] In the embodiment, the displacement control mechanism 5 comprises an X-axis linear displacement assembly 51, a Y-axis linear displacement assembly 52 and a Z-axis focusing assembly; the X-axis linear displacement assembly 51 is arranged on the table top of the adsorption platform 2 and is parallel to the feeding direction of the automatic feeding mechanism 1; the Y-axis linear displacement assembly 52 is arranged on the X-axis linear displacement assembly 51; the Z-axis focusing assembly is arranged on the Y-axis linear displacement assembly 52; and the laser cutting mechanism 3 and the dust collecting mechanism 4 are both arranged on the Z-axis focusing assembly.

[0061] In the embodiment, at least two suction holes 21 are arranged on the mesa of the suction platform 2; the suction platform 2 is provided with a smoke filter 22 connected with the suction holes 21. The dust collecting mechanism 4 comprises a dust collector 41 arranged on a mounting base 31, a dust collecting pipeline 42 and a discharge assembly; the dust collector 41 is arranged adjacent to the laser cutting head 34, the dust collector 41 is connected with one end of the dust collecting pipeline 42, the other end of the dust collecting pipeline 42 is connected with the discharge assembly, and the dust collecting port of the dust collector 41 is arranged opposite to the mesa of the suction platform 2.

[0062] Please refer to Figure 2 and Figure 5 , the second embodiment of the utility model provides:

[0063] A laser cutting equipment, based on the above-mentioned first embodiment, further comprises an automatic feeding mechanism 1, and the discharge port of the automatic feeding mechanism 1 is arranged on the mesa edge of the suction platform 2. The automatic feeding mechanism 1 comprises a moving trolley 17, a mounting frame 11, a winding-up assembly 12, a cutting pressing block 16, a winding-off assembly 13 and a first deviation rectifying assembly 14; the winding-up assembly 12, the winding-off assembly 13 and the first deviation rectifying assembly 14 are sequentially arranged on the mounting frame 11 in a straight line direction, and the first deviation rectifying assembly 14 is located on the mesa edge of the suction platform 2. The moving trolley 17 is provided with a lifting platform 18 for placing the raw material to be cut. The winding-up assembly 12 is at least two sets, and all the winding-up assemblies 12 are sequentially arranged on the mounting frame 11 from bottom to top. The automatic feeding mechanism 1 further comprises a second deviation rectifying assembly 15; the second deviation rectifying assembly 15 is arranged on the winding-up assembly 12. The cutting pressing block 16 is arranged on the mounting frame 11, and the cutting pressing block 16 is located between the winding-off assembly 13 and the first deviation rectifying assembly 14.

[0064] In summary, the laser cutting equipment provided by the utility model realizes flexible movement of the laser cutting mechanism and the dust collecting mechanism above the suction platform along the X-axis, Y-axis or Z-axis direction through the displacement control mechanism, performs the cutting action by the laser cutting head, provides accurate positioning by the image system during cutting, realizes rapid cutting of the whole piece by combining the camera target grabbing and recognition function, absorbs the smoke and dust generated during cutting through the dust collecting port of the dust collecting mechanism, and simultaneously discharges the smoke through the suction holes of the suction platform, so that the impurities generated during the cutting process of the diaphragm are effectively reduced, the trimming time is saved, the diaphragm yield is improved, and the production rhythm is improved.

[0065] The above-mentioned only for the embodiment of the utility model, not therefore limit the patent range of the utility model, all the equivalent transformations of the utility model specification and the drawings, or direct or indirect application in the related technical field, are also included in the patent protection range of the utility model.

Claims

1. A laser cutting apparatus, characterized by, The laser cutting mechanism and the dust collection mechanism are arranged on the active end of the displacement control mechanism, and the displacement control mechanism can simultaneously control the laser cutting mechanism and the dust collection mechanism to move above the adsorption platform. The laser cutting mechanism has an image capture port and a laser cutting port. The image capture port and the laser cutting port of the laser cutting mechanism and the dust collection port of the dust collection mechanism are arranged opposite to the tabletop of the adsorption platform. The laser cutting mechanism includes a mounting base, a laser, an optical reflection assembly, and a laser cutting head arranged on the mounting base.

2. A laser cutting apparatus according to claim 1, wherein, The camera grabbing target assembly of the laser cutting head and the laser cutting port are arranged opposite to the tabletop of the adsorption platform. The automatic feeding mechanism also includes a moving trolley, and the moving trolley is provided with a lifting platform for placing the raw material to be cut.

3. A laser cutting apparatus according to claim 1, wherein, The automatic feeding mechanism also includes a second deviation correction assembly.

4. A laser cutting apparatus according to claim 3, wherein, The automatic feeding mechanism also includes a cutting pressure block, and the cutting pressure block is arranged on the mounting rack and located between the unwinding assembly and the first deviation correction assembly. The tabletop of the adsorption platform is provided with at least two adsorption holes. The adsorption platform is provided with a smoke dust filter connected with the adsorption holes. The dust collection mechanism includes a dust collector, a dust collection pipeline, and a discharge assembly arranged on the mounting base. The dust collector is arranged adjacent to the laser cutting head, and the dust collector is connected with one end of the dust collection pipeline, the other end of the dust collection pipeline is connected with the discharge assembly, and the dust collection port of the dust collector is arranged opposite to the tabletop of the adsorption platform.

5. A laser cutting apparatus according to claim 3, wherein, ​ ​ 6. A laser cutting apparatus according to claim 5, wherein, ​ 7. A laser cutting apparatus according to claim 5, wherein, ​ 8. A laser cutting apparatus according to claim 5, wherein, ​ ​ 9. A laser cutting apparatus according to claim 5, wherein, ​ 10. The laser cutting apparatus of claim 1, wherein, ​ ​ 11. A laser cutting apparatus according to claim 2, wherein, ​ ​