Processing production line for hard soldering and edge sealing of vacuum glass

Abstract

The utility model provides a processing production line for hard soldering and edge sealing of vacuum glass. The processing production line for hard soldering and edge sealing of the vacuum glass comprises a conveying belt, and a cleaning device, a sealing pretreatment device, a plasma treatment device, a point distribution device, a sheet combining device, a laser welding device, a sealing glue device and a sealing glue curing device which are arranged along the conveying belt, the conveying belt is provided with a plurality of conveying tables. When the production line is used for edge sealing, no intermediate transition material is needed, so that the production line has the advantages of cost saving, simple production line process, attractive edge sealing position and the like. The vacuum glass hard soldering edge sealing processing production line has the advantages of being compact in structure, smooth in production, high in automation degree, low in energy consumption and the like.

Description

Technical Field

[0001] The utility model relates to a processing production line for hard welding and edge sealing of vacuum glass, belonging to the technical field of glass production. Background Art

[0002] At present, the sealing of vacuum glass mostly adopts metal, glass powder, and a mixture of metal and glass powder as intermediate connecting materials. For example, CN112901031A discloses a vacuum glass production line and processing technology, which arranges welding materials and getters as welding strips on the glass surface, and then realizes the welding and edge sealing of vacuum glass by heating.

[0003] The current sealing method has high production costs, complex implementation processes, and high energy consumption in production line settings. In addition, the metal edge sealing material has a large difference in thermal expansion coefficient with the glass substrate, poor wettability, and weak bonding strength. The product has unsatisfactory edge sealing quality and the glass edge sealing is not beautiful enough. In addition, powder sintering may cause glass annealing, resulting in weakened tempered strength and other disadvantages. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a vacuum glass processing production line, which uses laser welding equipment as the main edge sealing equipment and can achieve good edge sealing effect.

[0005] In order to achieve the above-mentioned object, the utility model provides a vacuum glass hard welding edge sealing processing production line, wherein the vacuum glass hard welding edge sealing processing production line comprises a conveyor belt, and cleaning equipment, sealing pretreatment equipment, plasma treatment equipment, point distribution equipment, sheet assembly equipment, laser welding equipment, sealing equipment, and sealing curing equipment arranged along the conveyor belt;

[0006] The conveyor belt is provided with a plurality of conveying platforms.

[0007] According to a specific embodiment of the utility model, preferably, the conveyor belt is composed of a guide rail and a plurality of conveyor platforms, the glass is placed on the conveyor platform, and then conveyed along the guide rail between various devices for different treatments. Each conveyor platform carries a piece of glass, and after the treatment is completed, the glass is unloaded, and the conveyor platform returns to the starting point to receive new glass for treatment.

[0008] According to a specific embodiment of the utility model, preferably, the vacuum glass hard welding edge sealing processing production line further includes a loading device for moving the glass to be processed onto the conveying platform. The loading device can be a plurality of manipulators.

[0009] According to a specific embodiment of the utility model, the cleaning device is used for cleaning the glass surface, and a cleaning machine can be used, and a suitable cleaning liquid, such as EDI water, can be prepared.

[0010] According to a specific embodiment of the utility model, preferably, the sealing pretreatment equipment is an ultrasonic welding equipment. The sealing pretreatment equipment is used to pre-treat the glass sealing surface, and the ultrasonic welding equipment used can be an ultrasonic electric soldering iron. The sealing pretreatment is to coat the solder on the glass sealing in advance by turning the ultrasonic electric soldering iron on and off, with the help of high-frequency vibration, so as to improve the wettability of the tin with the glass and the adhesion on the glass, so that the sealing piece can be more firmly bonded to the sealing position during subsequent sealing.

[0011] According to the specific implementation scheme of the utility model, preferably, the processing production line of the vacuum glass hard welding edge sealing also includes a first flipping device and a second flipping device; wherein, the first flipping device is arranged between the sealing pretreatment device and the plasma treatment device; the second flipping device is arranged between the plasma treatment device and the point distribution device. The first flipping device is used to flip the glass (sheet A) pretreated at the sealing position from the sealing pretreatment device by 180°. The second flipping device is used to flip the glass (sheet B) from the plasma treatment device after plasma treatment by 180° and adjust the upper and lower surfaces. Sheet A is the lower sheet of the vacuum glass, and sheet B is the upper sheet of the vacuum glass; sheet A is provided with an exhaust hole, and the exhaust hole needs to be metallized, and then flipped back to perform plasma treatment on the glass welding area; sheet B is after the welding area is plasma treated, and then flipped over to cover sheet A, so that the welding areas of the two sheets of glass after plasma treatment are bonded together, which can improve the welding effect.

[0012] According to a specific implementation scheme of the utility model, the plasma treatment equipment is used to perform plasma treatment on the welding area of ​​the glass (B sheet), so as to cause various physical and chemical changes on the surface of the material, or produce rough etching surface, or form a dense cross-linked layer, so as to improve the affinity of the glass during welding.

[0013] According to a specific implementation scheme of the utility model, the point placement equipment is used to arrange support points on the glass (sheet A) that has been treated with plasma, and specifically an automatic point placement machine can be used; the point placement equipment can include more than 10 point placement heads for simultaneous point placement to improve efficiency.

[0014] According to a specific embodiment of the utility model, the laminating device is used to laminate the plasma-treated glass (B sheet) onto the dotted glass (A sheet) to complete the laminating of the glass. The laminating device can be a transplanter composed of several manipulators.

[0015] According to a specific implementation scheme of the utility model, the laser welding equipment is used to perform hard welding and edge sealing of the assembled glass by laser; preferably, the laser welding equipment includes a laser welding machine.

[0016] According to a specific implementation scheme of the utility model, preferably, the laser wavelength of the laser welding machine is 1030nm-1064nm.

[0017] According to a specific embodiment of the utility model, preferably, the laser welding equipment comprises an automatic pressing device and a glass gap detection device. The automatic pressing device is used to press the glass, and the glass gap detection device is used to detect the size of the gap between two pieces of glass.

[0018] According to a specific implementation scheme of the utility model, the sealing device is used to apply protective glue on the edge of the glass that has completed laser welding, and the sealing device can be in the form of a four-axis device or a platform combined with a manipulator, preferably a four-axis machine tool, so as to achieve coating around the glass.

[0019] According to a specific implementation scheme of the utility model, preferably, the vacuum glass hard welding edge sealing processing production line also includes a rotating device, which is arranged between the sealing device and the sealing curing device, and is used to rotate the glass coated with protective glue by 90° to facilitate the placement of the glass in the sealing curing device.

[0020] According to a specific implementation of the utility model, the sealant curing device is used to cure the protective glue coated on the edge of the glass. The sealant curing device is provided with a multi-layer automatic stacking lifting mechanism, which can cure multiple pieces of glass at the same time.

[0021] According to a specific embodiment of the present invention, preferably, the vacuum glass hard welding edge sealing processing production line further includes a sheet unloading device for moving the processed glass to below the conveying table.

[0022] According to a specific embodiment of the utility model, preferably, the vacuum glass hard welding edge sealing processing production line comprises a first compartment, a second compartment, a third compartment, and a fourth compartment which are arranged in sequence;

[0023] Wherein, the cleaning device is located in the first compartment;

[0024] The sealing pretreatment equipment and the plasma treatment equipment are located in the second compartment;

[0025] The point distribution equipment, the sheet-joining equipment and the laser welding equipment are located in the third compartment;

[0026] The sealing glue curing device is located in the fourth compartment.

[0027] According to a specific embodiment of the utility model, preferably, the environmental grade of the first compartment is Class 100,000. The first compartment may be provided with an exhaust system to prevent water vapor from the washing machine from polluting the environment.

[0028] According to a specific embodiment of the present invention, preferably, the environmental grade of the second compartment is Class 10,000. The second compartment may be provided with a ventilation system to ensure the environmental grade in the compartment.

[0029] According to a specific embodiment of the utility model, preferably, the environmental grade of the third compartment is Class 1000. The third compartment may be provided with a ventilation system to ensure the environmental grade in the compartment.

[0030] According to a specific embodiment of the present utility model, preferably, the fourth compartment is provided with a heating device and a ventilation system to achieve constant temperature control.

[0031] In view of the shortcomings of existing edge sealing, the utility model provides a glass laser hard welding edge sealing process production line, which does not require any intermediate transition materials for edge sealing, thereby saving costs, having simple production line processes, and having beautiful edge sealing. The vacuum glass hard welding edge sealing processing production line provided by the utility model has the characteristics of compact structure, smooth production, high degree of automation, and low energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A schematic structural diagram of a vacuum glass hard welding edge sealing processing production line provided in an embodiment.

[0033] Figure 2-Figure 4 A schematic diagram of the partial structure of a processing production line for vacuum glass hard welding edge sealing provided in an embodiment.

[0034] Description of main figures:

[0035] Loading equipment 1, cleaning equipment 2, sealing pretreatment equipment 3, first turning equipment 4, plasma processing equipment 5, second turning equipment 6, distribution equipment 7, sheet assembly equipment 8, laser welding equipment 9, sealing equipment 10, rotating equipment 11, sealing curing equipment 12, unloading equipment 13, conveyor belt 14, first compartment 21, second compartment 22, third compartment 23, fourth compartment 24. DETAILED DESCRIPTION

[0036] In order to have a clearer understanding of the technical features, purposes and beneficial effects of the utility model, the technical solution of the utility model is now described in detail below, but it should not be understood as limiting the applicable scope of the utility model.

[0037] Example

[0038] This embodiment provides a vacuum glass hard welding edge sealing processing production line, the structure of which is as follows: Figure 1-Figure 4 shown.

[0039] The vacuum glass hard welding edge sealing processing production line includes a conveyor belt, and a loading device 1, a cleaning device 2, a sealing pretreatment device 3, a first flipping device 4, a plasma processing device 5, a second flipping device 6, a point distribution device 7, a sheet assembly device 8, a laser welding device 9, a sealing device 10, a rotating device 11, a sealing curing device 12, a unloading device 13, and a first compartment 21, a second compartment 22, a third compartment 23, and a fourth compartment 24 arranged along the conveyor belt;

[0040] The conveyor belt 14 is provided with a guide rail and a plurality of conveyor platforms, and the conveyor platforms can move along the guide rail to transport glass between different devices;

[0041] The sheet loading device 1 is composed of several manipulators;

[0042] The sealing pretreatment equipment 3 is an ultrasonic electric soldering iron;

[0043] The first flipping device 4 is composed of several manipulators;

[0044] The second flipping device 6 is composed of several manipulators;

[0045] The dot distribution device 7 is an automatic dot distribution machine with 10 dot distribution heads;

[0046] The sheet-closing device 8 is a transplanting machine composed of several manipulators;

[0047] The laser welding device 9 is a laser welding machine, and is equipped with an automatic clamping device and a glass gap detection device, and the laser wavelength is 1064nm;

[0048] The sealing device 10 adopts a four-axis machine tool;

[0049] The sealing and curing device 12 is provided with a multi-layer automatic lamination lifting mechanism;

[0050] in,

[0051] The cleaning device 2 is located in the first compartment 21. The first compartment 21 is provided with an exhaust system, and the environmental grade is 100,000;

[0052] The sealing pretreatment equipment 3, the first turning equipment 4, the plasma treatment equipment 5 and the second turning equipment 6 are located in the second compartment 22. The second compartment 22 is provided with an exhaust system, and the environmental grade is 10,000;

[0053] The point distribution equipment 7, the sheet assembly equipment 8 and the laser welding equipment 9 are located in the third compartment 23. The third compartment 23 is provided with an exhaust system, and the environmental grade is 1000;

[0054] The sealant curing device 12 is located in the fourth compartment 24 , and the fourth compartment 24 is provided with a heating device and a ventilation system.

[0055] The various devices used in this embodiment may be existing devices in the art that can realize corresponding functions. Figure 2-Figure 4 This is a schematic diagram showing the layout of various equipment in an actual production workshop. It is not intended to show the details of each equipment, nor is it intended to limit the specific structure of a single equipment.

[0056] When the vacuum glass hard welding edge sealing processing line of this embodiment is used to perform the vacuum glass welding edge sealing processing, the following steps can be followed:

[0057] When loading the sheets, alternate loading is adopted, that is, the robot first grabs the glass sheet B and then grabs the glass sheet A.

[0058] The glass B is sent into the first compartment 21 by the conveyor and cleaned by the cleaning device 2;

[0059] The glass B is sent into the second compartment 22 by the conveyor, flows through (i.e. directly passes through without treatment) the sealing pretreatment device 3, flows through the first turning device 4, enters the plasma treatment device 5 for plasma treatment of the welding area, and leaves the second compartment 22 after being turned 180° and adjusted upside down by the second turning device 6;

[0060] The glass B is sent into the third compartment 23 by the conveyor, flows through the automatic dot distribution machine through the conveyor roller and conveyor belt, and enters the sheet-laying device 8. After the glass B is centered by the sheet-laying machine, the glass B is grabbed by the transplanter and waits for the next operation.

[0061] The glass A is sent into the first compartment 21 by the conveyor and cleaned by the cleaning device 2;

[0062] The glass sheet A is sent to the second compartment 22 through the conveyor, and the sealing pretreatment device 3 performs pretreatment on the sealing part, and then the glass sheet is turned 180 degrees and adjusted upside down by the first turning device 4, and then enters the plasma treatment device 5 for plasma treatment of the welding area, flows through the second turning device 6, and leaves the second compartment 22;

[0063] The glass A is sent to the third compartment 23 by the conveyor, enters the automatic dot-laying machine to arrange the pillars and place the getter in the radial direction, and then enters the laminating device 8. After the laminating machine centers the glass A, the transplanter stacks the glass B on the glass A to complete the glass lamination.

[0064] The glass that has been assembled is transferred to the laser welding platform by the transfer machine by means of edge clamping. The laser welding machine determines the position of the glass by CCD positioning. The clamping tool clamps the glass radially inside and outside. The gap detection mechanism detects the clamping of the glass until the clamping meets the welding conditions. The glass is welded and sealed around the edges. The glass that has been welded is transferred out of the laser welding machine by the rear transfer machine and leaves the third compartment 23.

[0065] The welded glass is transferred to the sealing device 10 through the transfer roller, and protective glue is applied around the glass;

[0066] The glass coated with the protective glue enters the rotating device 11, which rotates the glass 90° and switches the X and Y directions;

[0067] The turned glass enters the glue curing device 12 in the fourth compartment 24 to cure the protective glue, and finally the glass is unloaded with the unloading device to complete the edge sealing process;

[0068] The main body of the cleaning device 2 is constructed of plastic material, preferably PVC; the washing speed has a speed adjustment function, and the preferred cleaning speed is 4M / min;

[0069] The speed of plasma cleaning can be adjusted, and the preferred speed is 300 mm / s;

[0070] The speed of the dot distribution machine is adjustable, and the optimal speed is 1.2s / piece;

[0071] The speed of the laser welding machine is adjustable, and the preferred speed is 30-40 mm / s;

[0072] The gluing speed is adjustable, and the optimal speed is 320mm / s.

Claims

1. A vacuum glass hard welding edge sealing processing production line, characterized in that: The vacuum glass hard welding edge sealing processing production line includes a conveyor belt, and cleaning equipment, sealing pretreatment equipment, plasma treatment equipment, point distribution equipment, sheet assembly equipment, laser welding equipment, sealing equipment, and sealing curing equipment arranged along the conveyor belt; The conveyor belt is provided with a plurality of conveying platforms.

2. The vacuum glass hard welding edge sealing processing production line according to claim 1 is characterized in that: The vacuum glass hard welding edge sealing processing production line also includes a sheet loading device for moving the glass to be processed onto the conveying platform.

3. The vacuum glass hard welding edge sealing processing production line according to claim 1 is characterized in that: The sealing pretreatment equipment is an ultrasonic welding equipment.

4. The vacuum glass hard welding edge sealing processing production line according to claim 1 is characterized in that: The vacuum glass hard welding edge sealing processing production line also includes a first flipping device and a second flipping device; Wherein, the first flipping device is arranged between the sealing pretreatment device and the plasma treatment device; The second flipping device is arranged between the plasma processing device and the point distribution device.

5. The vacuum glass hard welding edge sealing processing production line according to claim 1 is characterized in that: The laser welding equipment includes a laser welding machine.

6. The vacuum glass hard welding edge sealing processing production line according to claim 5 is characterized in that: The laser wavelength of the laser welding machine is 1030nm-1064nm.

7. The vacuum glass hard welding edge sealing processing production line according to claim 5 is characterized in that: The laser welding equipment comprises an automatic pressing device and a glass gap detection device.

8. The vacuum glass hard welding edge sealing processing production line according to claim 1 is characterized in that: The vacuum glass hard welding edge sealing processing production line also includes a sheet unloading device for moving the processed glass to below the conveying platform.

9. The vacuum glass hard welding edge sealing processing production line according to claim 1 is characterized in that: The vacuum glass hard welding edge sealing processing production line comprises a first compartment, a second compartment, a third compartment, and a fourth compartment which are arranged in sequence; Wherein, the cleaning device is located in the first compartment; The sealing pretreatment equipment and the plasma treatment equipment are located in the second compartment; The point distribution equipment, the sheet-joining equipment and the laser welding equipment are located in the third compartment; The sealing glue curing device is located in the fourth compartment.

10. The vacuum glass hard welding edge sealing processing production line according to claim 9 is characterized in that: The environmental grade of the first compartment is 100,000, the environmental grade of the second compartment is 10,000, and the environmental grade of the third compartment is 1,000.

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