CN114349321B - Vacuum diffusion welding equipment for high-light-transmittance borosilicate glass and using method thereof - Google Patents
Vacuum diffusion welding equipment for high-light-transmittance borosilicate glass and using method thereof Download PDFInfo
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- CN114349321B CN114349321B CN202210017911.XA CN202210017911A CN114349321B CN 114349321 B CN114349321 B CN 114349321B CN 202210017911 A CN202210017911 A CN 202210017911A CN 114349321 B CN114349321 B CN 114349321B
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Abstract
The invention discloses vacuum diffusion welding equipment for high-light-transmittance borosilicate glass and a using method thereof. The invention adopts the welded glass structural member, the glass is a unified whole after being formed, can not be split, has high structural strength and sealing performance, plays a role in protecting the structural design of a product, has the light transmittance of the formed glass consistent with that of the glass before welding, can be used for special application such as photocatalytic reaction and the like, does not add materials such as welding flux, welding flux and the like in the forming process, can not cause surplus objects or pollution in the internal structure of the glass, selects stainless steel as a resistance welding material, and does not influence the surface and the light transmittance of the glass.
Description
Technical Field
The invention relates to the technical field of vacuum diffusion welding, in particular to vacuum diffusion welding equipment for high-light-transmittance borosilicate glass and a using method thereof.
Background
The borosilicate glass is obtained by using boron oxide to replace partial alkali metal oxide in common glass, namely, the borosilicate glass is high-boron low-silicon borosilicate glass without alkali metal oxide, the high-light-permeability continuous flow microchannel reactor is formed by splicing two or more pieces of glass with a reaction flow channel structure, the traditional method adopts a mechanical riveting and edge sealing method or a gluing or brazing method to realize the connection of the glass, and the methods have the advantages of low use temperature, low pressure bearing capacity of a connection interface, influence on the light permeability of the glass, negative influence on the application of photocatalytic reaction or generation of redundant substances on the connection surface of the glass, so that a high-strength and high-light-permeability welding method of the glass is required.
The existing vacuum diffusion welding equipment for borosilicate glass and the using method thereof have the defects that:
1. patent document CN108114676A discloses a method for preparing a glass microchannel reactor, which comprises placing a first glass sheet, a metal wire and a second glass sheet in a metal box from bottom to top in sequence; then placing the metal box in a muffle furnace, heating and preserving heat, wrapping the metal wire by melting a glass sheet in the metal box, and cooling; and then taking the metal box out of the muffle furnace, soaking the metal box in concentrated acid, and dissolving the metal box and the metal wire wrapped in the glass sheet to obtain the glass microchannel reactor. The invention adopts glass, iron boxes and fine iron wires as raw materials, provides a method for manufacturing an acid-base-resistant, high-temperature-resistant, high-pressure-resistant and low-price glass microchannel reactor, has simple manufacturing process, easily available raw materials and low cost, and can be widely used for production, but the reactor prepared by the method has limited bearing capacity and lower use temperature, and cannot ensure the reliability of glass sealing in partial environment, thereby having no better usability;
2. patent document CN112792423B discloses a method for preparing a CT bulb tube rotor copper sleeve by combining vacuum diffusion welding and vacuum brazing, which comprises the following steps: s1, surface treatment: carrying out surface treatment on the carbon steel substrate and the plurality of copper conducting bars, and electroplating silver on the copper conducting bars; s2, vacuum diffusion welding: inserting the copper conducting bar into a radial fixing groove of a carbon steel substrate, and then putting the carbon steel substrate into vacuum power generation plasma equipment for vacuum diffusion welding; s3, vacuum brazing: carrying out vacuum brazing on the carbon steel substrate fused with the copper conducting bars and the copper end rings by adding brazing filler metal at the temperature of 900-950 ℃ to obtain a workpiece; s4, heat treatment: continuously placing the workpiece subjected to vacuum brazing in a vacuum brazing furnace for heat treatment; and S5, precision machining. The invention combines vacuum diffusion welding and vacuum brazing to prepare the rotor copper bush which meets the high-temperature vacuum use environment of the CT bulb tube and can meet the special requirements of the CT bulb tube industry, but the device does not have a better cleaning structure, so that the glass is easy to contain excess or pollution, and the forming effect is influenced;
3. patent document CN213969474U discloses a diffusion welding device for high-performance silver-copper composite contact structure, which comprises a vacuum box and a placing plate, wherein the front surface of the vacuum box is hinged to a box door through a hinge, a supporting column is fixedly connected to a bottom plate of the vacuum box, a mounting plate is fixedly connected to the inner side surface of the supporting column, a first sliding rail is arranged above the mounting plate, a first loading plate is connected to the inside of the first sliding rail in a sliding manner, and a first rectangular groove is formed in the upper surface of the first loading plate. According to the invention, the graphite plate is provided with the plurality of placing holes, so that the vacuum box can simultaneously perform diffusion welding on a plurality of copper-based silver-based compounds, and in addition, heating plates are arranged on two sides of the upper surface of the fixing plate and the bottom surface of the top plate of the vacuum box, so that copper-based and silver-based composite contacts can be heated more uniformly, the diffusion welding time can be shortened, and the quality and effect of the diffusion welding are ensured simultaneously;
4. patent document CN110407485A discloses a hot air welding equipment for vacuum glass, "including assembly line frame body, the bottom of assembly line frame body is equipped with a plurality of evenly distributed's supporting leg, the symmetry is equipped with a plurality of evenly distributed's of group auxiliary device on the lateral wall of assembly line frame body, one side of assembly line frame body is equipped with clip passback assembly line device, the one end of clip passback assembly line device is equipped with the clip receiver, it uploads the station to be equipped with in proper order on the assembly line frame body, reserve the station, glass location station, preheat the station, the automatic weld station, the cooling station, manual welding station and lower piece station, it is close to the clip receiver to upload the station, the middle part top of assembly line frame body is equipped with duplex position glass transmission shuttle. Has the advantages that: automatic change hot-blast welding assembly line has not only reduced operative employee's intensity of labour, and the welding is accurate moreover, and is efficient, improves welded accuracy nature and unity simultaneously, has avoided too much manual operation to arouse staiing of vacuum glass board in addition, but the above-mentioned device heating back that finishes, does not have better accelerated cooling structure to comparatively influence staff's work efficiency.
Disclosure of Invention
The present invention is directed to a vacuum diffusion welding apparatus for high transmittance borosilicate glass and a method for using the same, which solve the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the vacuum diffusion welding equipment for the high-light-transmittance borosilicate glass comprises a supporting base plate, a cleaning tank, a heating box and a cooling tank, wherein the cleaning tank, the heating box and the cooling tank are respectively arranged at the top of the supporting base plate;
both sides of the top of the cleaning tank are provided with limiting chutes, and movable transverse plates are connected inside the limiting chutes in a sliding manner;
the mount is installed to the both sides of activity diaphragm bottom, the mid-mounting at activity diaphragm top has the handle.
Preferably, a control motor is installed to one side of mount, the internally mounted that the output of control motor runs through in the mount has the washing brush, the outlet pipe is installed to the bottom of washing tank one side, the surface of outlet pipe is provided with the ooff valve, and the crossing department of outlet pipe and washing tank is provided with seal ring.
Preferably, the power box is installed to one side of heating cabinet, the mid-mounting at heating cabinet top has driving motor, driving motor's output runs through and installs the transfer line in the interior roof of heating cabinet, splint are installed to the bottom of transfer line.
Preferably, the both sides on splint surface all threaded connection have adjust knob, adjust knob's bottom is connected with spacing push pedal, the surface of spacing push pedal is provided with the inoxidizing coating.
Preferably, the dryer bodies are arranged on two sides of the interior of the heating box and are electrically connected with the power box.
Preferably, one side on heating cabinet surface is connected with the switch door, the back of switch door is provided with the sealing strip, the top on switch door surface is provided with the observation window.
Preferably, an isolation net is arranged inside the cooling tank, a water storage box is arranged on one side of the cooling tank, and a connecting water pipe is arranged at the bottom inside the cooling tank.
Preferably, the inside of water storage box is provided with the water pump, and connects the bottom of water pipe and connect in the output of water pump, connects the top of water pipe and pegs graft in the inside of water storage box, the mid-mounting of water storage box top one side has the water injection pipe.
Preferably, the diffusion welding equipment comprises the following working steps:
s1, borosilicate glass is placed in a washing tank of hydrochloric acid solution at the temperature of 5-30 ℃ for washing for one minute, two sides of the top of the washing tank are respectively provided with a limiting sliding chute, the inside of each limiting sliding chute is connected with a movable transverse plate in a sliding manner, two sides of the bottom of each movable transverse plate are provided with a fixing frame, the middle part of the top of each movable transverse plate is provided with a handle, one side of each fixing frame is provided with a control motor, the output end of each control motor penetrates through the inside of each fixing frame and is provided with a washing brush, the bottom of one side of the washing tank is provided with a water outlet pipe, the surface of each water outlet pipe is provided with a switch valve, a sealing gasket is arranged at the intersection of each water outlet pipe and the washing tank, the handle, the limiting sliding chutes and the movable transverse plates are matched, workers can conveniently slide the structure quickly, the control motors, the fixing frames and the washing brushes are matched, after the power supply is connected, the output end of each control motor can drive the washing brushes to rotate, so that the surface of the glass can be cleaned, then the glass is washed by deionized water or purified water, and then the glass is placed in absolute ethyl alcohol for ultrasonic washing for five minutes;
s2, placing cleaned glass in a heating box, drying for 20min at 100 ℃, wherein a power box is installed on one side of the heating box, a driving motor is installed in the middle of the top of the heating box, the output end of the driving motor penetrates through the inner top wall of the heating box to be installed with a transmission rod, a clamping plate is installed at the bottom end of the transmission rod, adjusting knobs are in threaded connection with the two sides of the surface of the clamping plate, a limiting push plate is connected to the bottom end of each adjusting knob, a protective layer is arranged on the surface of each limiting push plate, a dryer body is arranged on the two sides inside the heating box and electrically connected with the power box, the clamping plate, the adjusting knobs and the limiting push plates are matched, the top ends of the glass are inserted into the clamping plates, the adjusting knobs are screwed to drive the limiting push plates to move forwards, so that the glass can be fixed, the driving motor, the transmission rod, the clamping plates and the dryer body are matched, the output end of the driving motor can drive the clamping plate to rotate through the transmission rod, so that the glass is driven to overturn, the heated area of the glass can be more uniform, in addition, a door is connected with one side of the heating box, a sealing strip is arranged on the back of the opening and closing door, an observation window is arranged on the top of the heating box, and the sealing strip, so that the sealing strip can be arranged on the sealing strip, and the sealing strip can be improved in the sealing effect of the heating box;
s3, manufacturing a solder mask layer by using 304 stainless steel, placing glass workpieces to be welded between the solder mask layers according to an assembly sequence, putting the glass workpieces to be welded into a diffusion welding furnace, and applying pressure of 0.5-2 MPa to fix the positions of the glass workpieces to be welded;
s4, closing the furnace door, vacuumizing the furnace chamber, and starting heating when the vacuum degree is reduced to E-Pa;
s5, when the temperature of the glass workpiece reaches 500 ℃, increasing the welding pressure to 3-5 MPa, keeping the temperature for 30min, then continuing to raise the temperature to 680-700 ℃, keeping the temperature for 30min, then removing the pressure and raising the temperature to 780-800 ℃, keeping the temperature for 30min, taking out and placing the glass workpiece in a cooling tank, wherein an isolation net is arranged in the cooling tank, a water storage box is arranged on one side of the cooling tank, a connecting water pipe is arranged at the bottom inside the cooling tank, a water pump is arranged in the water storage box, the bottom end of the connecting water pipe is connected to the output end of the water pump, the top end of the connecting water pipe is inserted into the water storage box, a water injection pipe is arranged in the middle of one side of the top of the water storage box, the isolation net can provide a certain supporting effect for the glass workpiece, the water pump and the connecting water pipe are matched, the water pump can pump the liquid water in the water storage box into the connecting water pipe, the connecting water pipe is designed in a snake shape, the contact area with the glass workpiece can be increased, the cooling speed of the glass workpiece is accelerated, and the structure is connected in a closed mode, so that the glass workpiece can be recycled, and waste of the glass workpiece can be reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts welded glass structural members, the glass is a unified whole after being formed, can not be split, has high structural strength and sealing performance, plays a role in protecting the structural design of a product, has the light transmittance of the formed glass consistent with that of the glass before welding, can be used for special application of photocatalytic reaction and the like, does not add materials such as welding flux, welding flux and the like in the forming process, can not cause surplus substances or pollution of the internal structure of the glass, selects stainless steel as a resistance welding material, does not influence the surface and the light transmittance of the glass, and adopts a process form of temperature rise, heat preservation, temperature rise, pressure relief, heat preservation and temperature reduction in a diffusion welding process.
2. According to the invention, through the arrangement of the cleaning tank, the matching work of the handle, the limiting chute and the movable transverse plate, the handle is pulled, so that a worker can conveniently slide the structure quickly, the matching work of the motor, the fixing frame and the cleaning brush is controlled, and after the power supply is connected, the output end of the motor is controlled to drive the cleaning brush to rotate, so that the surface of glass can be cleaned.
3. According to the invention, through the arrangement of the heating box, the matching work of the clamping plate, the adjusting knob and the limiting push plate, the top end of the glass is inserted into the clamping plate, the adjusting knob is screwed to drive the limiting push plate to move forwards, so that the glass can be fixed, the matching work of the driving motor, the transmission rod, the clamping plate and the dryer body is realized, the output end of the driving motor can drive the clamping plate to rotate through the transmission rod, so that the glass is driven to turn over, further, the heating area of the glass is more uniform, in addition, the arrangement of the switch door can play a certain limiting role for the glass, and the arrangement of the sealing strip can improve the whole sealing performance of the heating box.
4. According to the invention, through the arrangement of the cooling tank, the separation net can provide a certain supporting effect for the glass workpiece, the water pump and the connecting water pipe are matched to work, the water pump can pump liquid water in the water storage box into the connecting water pipe, the connecting water pipe adopts a snake-shaped design, the contact area with the glass workpiece can be increased, so that the cooling speed of the glass workpiece is accelerated, and the structure adopts closed connection, so that the glass workpiece can be recycled, and the waste of water resources can be reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cleaning tank of the present invention;
FIG. 3 is a schematic cross-sectional view of the cleaning brush of the present invention;
FIG. 4 is a schematic view of the heating chamber of the present invention;
FIG. 5 is a schematic view of the splint structure of the present invention;
FIG. 6 is a schematic cross-sectional view of an adjusting knob according to the present invention;
FIG. 7 is a schematic view of the structure of the cooling tank of the present invention;
FIG. 8 is a schematic sectional view of the connecting water pipe according to the present invention;
fig. 9 is a schematic view of a solder resist layer structure of the present invention.
In the figure: 1. a support base plate; 2. a cleaning tank; 3. a heating box; 4. a cooling tank; 5. a limiting chute; 6. A movable transverse plate; 7. a fixed mount; 8. a handle; 9. controlling the motor; 10. cleaning the brush; 11. a water outlet pipe; 12. an electric power box; 13. a drive motor; 14. a transmission rod; 15. a splint; 16. adjusting a knob; 17. A limiting push plate; 18. a protective layer; 19. a dryer body; 20. opening and closing the door; 21. a sealing strip; 22. An observation window; 23. an isolation net; 24. a water storage box; 25. connecting a water pipe; 26. a water pump; 27. a solder resist layer; 28. glass workpieces to be welded; 29. a water injection pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 and 9, an embodiment of the present invention: the vacuum diffusion welding equipment for the high-light-transmittance borosilicate glass comprises a supporting base plate 1, a cleaning tank 2, a heating box 3 and a cooling tank 4, wherein the cleaning tank 2, the heating box 3 and the cooling tank 4 are respectively arranged at the top of the supporting base plate 1;
by adopting the welded glass structural member, the glass is unified and integral after being formed, cannot be split, has high structural strength and sealing performance, plays a role in protecting the structural design of a product, has the light transmittance consistent with that of the glass before being welded, can be used for special applications such as photocatalytic reaction and the like, does not add materials such as solder, brazing filler metal and the like in the forming process, does not cause excess or pollution of the internal structure of the glass, selects 304 stainless steel as a solder-resistant material, does not influence the surface and the light transmittance of the glass, and generally adopts a process form of heating, heat preservation, pressurization and cooling in a diffusion welding process.
Example two:
referring to fig. 2 and 3, an embodiment of the present invention: the vacuum diffusion welding equipment for the high-light-transmittance borosilicate glass comprises a cleaning tank 2, wherein two sides of the top of the cleaning tank 2 are both provided with a limiting sliding chute 5, and a movable transverse plate 6 is connected inside the limiting sliding chute 5 in a sliding manner; fixing frames 7 are installed on two sides of the bottom of the movable transverse plate 6, a handle 8 is installed in the middle of the top of the movable transverse plate 6, a control motor 9 is installed on one side of each fixing frame 7, a cleaning brush 10 is installed at the position, penetrating through the fixing frames 7, of the output end of each control motor 9, a water outlet pipe 11 is installed at the bottom of one side of the cleaning tank 2, a switch valve is arranged on the surface of each water outlet pipe 11, and a sealing gasket is arranged at the intersection of each water outlet pipe 11 and the cleaning tank 2;
through the setting of washing tank 2, the collocation work of handle 8, spacing spout 5 and activity diaphragm 6 stimulates handle 8, can be convenient for the staff to slide fast to this structure, and the collocation work of control motor 9, mount 7 and washing brush 10 inserts the power after, and control motor 9's output can drive and wash brush 10 and rotate to can clear up the glass surface.
Example three:
referring to fig. 4, 5 and 6, an embodiment of the present invention: the vacuum diffusion welding equipment for the high-light-transmittance borosilicate glass comprises a heating box 3, wherein an electric power box 12 is installed on one side of the heating box 3, a driving motor 13 is installed in the middle of the top of the heating box 3, a transmission rod 14 is installed at the output end of the driving motor 13 and penetrates through the inner top wall of the heating box 3, a clamping plate 15 is installed at the bottom end of the transmission rod 14, adjusting knobs 16 are respectively in threaded connection with two sides of the surface of the clamping plate 15, the bottom end of each adjusting knob 16 is connected with a limiting push plate 17, a protective layer 18 is arranged on the surface of each limiting push plate 17, dryer bodies 19 are respectively arranged on two sides inside the heating box 3, the dryer bodies 19 are electrically connected with the electric power box 12, a switch door 20 is connected with one side of the surface of the heating box 3, a sealing strip 21 is arranged on the back of the switch door 20, and an observation window 22 is arranged on the top of the surface of the switch door 20;
through the setting of heating cabinet 3, splint 15, adjust knob 16 and spacing push pedal 17's collocation work, insert the splint 15 with the glass top, twist adjust knob 16, make it drive spacing push pedal 17 forward movement, thereby can accomplish fixedly to glass, driving motor 13, transfer line 14, splint 15 and the collocation work of drying apparatus body 19, driving motor 13's output accessible transfer line 14 drives splint 15 and rotates, thereby it overturns to drive glass, and then can make glass's heated area more even, furthermore, the setting of switch door 20, can play certain limiting displacement for glass, the setting of sealing strip 21, can improve the holistic leakproofness of heating cabinet 3.
Example four:
referring to fig. 7 and 8, an embodiment of the present invention: the vacuum diffusion welding equipment for the high-light-transmittance borosilicate glass comprises a cooling tank 4, wherein an isolation net 23 is arranged inside the cooling tank 4, a water storage box 24 is arranged on one side of the cooling tank 4, a connecting water pipe 25 is arranged at the bottom inside the cooling tank 4, a water pump 26 is arranged inside the water storage box 24, the bottom end of the connecting water pipe 25 is connected to the output end of the water pump 26, the top end of the connecting water pipe 25 is inserted into the water storage box 24, and a water injection pipe 29 is arranged in the middle of one side of the top of the water storage box 24;
through the setting of cooling bath 4, separation net 23 can provide certain supporting role for the glass work piece, water pump 26 and the collocation work of connecting water pipe 25, water pump 26 can be taken out the liquid water in the water storage box 24 to connecting in the water pipe 25, it adopts snakelike design to connect water pipe 25, can improve the area of contact with the glass work piece, thereby accelerate the cooling rate of glass work piece, and this structure adopts the closed type to connect, thereby can carry out recycling, and the waste of reducible water resource.
The working principle is as follows:
the method comprises the following steps of putting borosilicate glass into a washing tank 2 of hydrochloric acid solution at 5-30 ℃ for washing for one minute, wherein two sides of the top of the washing tank 2 are respectively provided with a limiting sliding chute 5, the inside of each limiting sliding chute 5 is connected with a movable transverse plate 6 in a sliding manner, two sides of the bottom of each movable transverse plate 6 are provided with a fixed frame 7, the middle part of the top of each movable transverse plate 6 is provided with a handle 8, one side of each fixed frame 7 is provided with a control motor 9, the output end of each control motor 9 penetrates through the inside of each fixed frame 7 and is provided with a washing brush 10, the bottom of one side of the washing tank 2 is provided with a water outlet pipe 11, the surface of each water outlet pipe 11 is provided with a switch valve, the intersection of each water outlet pipe 11 and the washing tank 2 is provided with a sealing gasket, the handles 8, the limiting sliding chutes 5 and the movable transverse plates 6 are matched, workers can slide the structure quickly, the control motors 9, the fixed frames 7 and the washing brushes 10 are matched, after the power supply is connected, the output end of the control motors 9 can drive the washing brushes 10 to rotate, so that the glass surface can be cleaned by purified water, then washed by deionized water or washing minutes, and then the glass is ultrasonically cleaned in absolute ethyl alcohol for five minutes;
placing cleaned glass in a heating box 3, drying for 20min at 100 ℃, wherein a power box 12 is arranged on one side of the heating box 3, a driving motor 13 is arranged in the middle of the top of the heating box 3, a transmission rod 14 is arranged at the output end of the driving motor 13 and penetrates through the inner top wall of the heating box 3, a clamping plate 15 is arranged at the bottom end of the transmission rod 14, adjusting knobs 16 are respectively in threaded connection with the two sides of the surface of the clamping plate 15, a limiting push plate 17 is connected with the bottom end of the adjusting knob 16, a protective layer 18 is arranged on the surface of the limiting push plate 17, dryer bodies 19 are respectively arranged on the two sides in the heating box 3, the dryer bodies 19 are electrically connected with the power box 12, the clamping plate 15, the adjusting knobs 16 and the limiting push plate 17 are matched to work, and the top end of the glass is inserted into the clamping plate 15, the adjusting knob 16 is screwed to drive the limiting push plate 17 to move forwards, so that the glass can be fixed, the driving motor 13, the transmission rod 14, the clamping plate 15 and the dryer body 19 are matched, the output end of the driving motor 13 can drive the clamping plate 15 to rotate through the transmission rod 14, so that the glass is driven to turn over, the heated area of the glass can be more uniform, in addition, because one side of the surface of the heating box 3 is connected with the switch door 20, the back of the switch door 20 is provided with the sealing strip 21, the top of the surface of the switch door 20 is provided with the observation window 22, the switch door 20 is arranged, a certain limiting effect can be achieved for the glass, and the sealing performance of the whole heating box 3 can be improved due to the arrangement of the sealing strip 21;
the solder mask layer 27 is made of 304 stainless steel, the glass workpieces 28 to be welded are arranged between the solder mask layers 27 according to the assembly sequence, the glass workpieces are put into a diffusion welding furnace, and 0.5-2 MPa pressure is applied to fix the positions of the glass workpieces 28 to be welded;
closing the furnace door, vacuumizing the furnace chamber, and starting heating when the vacuum degree is reduced to 5E-3 Pa;
when the temperature of the glass workpiece reaches 500 ℃, the welding pressure is increased to 3-5 MPa, the temperature is kept for 30min, then the temperature is continuously increased to 680-700 ℃, the temperature is kept for 30min, then the pressure is removed, the temperature is increased to 780-800 ℃, the glass workpiece is kept for 30min, the glass workpiece is taken out and placed in a cooling tank 4, an isolation net 23 is installed inside the cooling tank 4, a water storage box 24 is installed on one side of the cooling tank 4, a connecting water pipe 25 is arranged at the bottom inside the cooling tank 4, a water pump 26 is arranged inside the water storage box 24, the bottom end of the connecting water pipe 25 is connected to the output end of the water pump 26, the top end of the connecting water pipe 25 is connected to the inside of the water storage box 24 in an inserting mode, a water injection pipe 27 is installed in the middle of one side of the top of the water storage box 24, the isolation net 23 can provide a certain supporting effect for the glass workpiece, the water pump 26 and the connecting water pipe 25 work, the water pump 26 can pump the liquid water in the water storage box 24 to the connecting water pipe 25, the connecting water pipe 25 is in a snake-shaped design, the contact area with the glass workpiece can be increased, the cooling speed of the glass workpiece is increased, the cooling speed of the glass workpiece is increased, the structure is connected in a closed type, the circulation use can be reduced, and the waste of the glass workpiece, and the waste of the water resource can be reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. High light transmissivity borosilicate glass's vacuum diffusion welds equipment, including supporting baseplate (1), washing tank (2), heating cabinet (3) and cooling bath (4), its characterized in that: the top of the supporting bottom plate (1) is respectively provided with a cleaning tank (2), a heating box (3) and a cooling tank (4);
both sides of the top of the cleaning tank (2) are provided with limiting chutes (5), and movable transverse plates (6) are connected inside the limiting chutes (5) in a sliding manner;
two sides of the bottom of the movable transverse plate (6) are provided with fixed frames (7), and the middle part of the top of the movable transverse plate (6) is provided with a handle (8);
a control motor (9) is installed on one side of the fixing frame (7), a cleaning brush (10) is installed at the output end of the control motor (9) and penetrates through the fixing frame (7), a water outlet pipe (11) is installed at the bottom of one side of the cleaning tank (2), a switch valve is arranged on the surface of the water outlet pipe (11), and a sealing gasket is arranged at the intersection of the water outlet pipe (11) and the cleaning tank (2);
a power box (12) is installed on one side of the heating box (3), a driving motor (13) is installed in the middle of the top of the heating box (3), an output end of the driving motor (13) penetrates through the inner top wall of the heating box (3) and is provided with a transmission rod (14), and a clamping plate (15) is installed at the bottom end of the transmission rod (14);
both sides of the surface of the clamping plate (15) are in threaded connection with adjusting knobs (16), the bottom ends of the adjusting knobs (16) are connected with limiting push plates (17), and protective layers (18) are arranged on the surfaces of the limiting push plates (17);
a dryer body (19) is arranged on each of two sides of the interior of the heating box (3), and the dryer body (19) is electrically connected with the power box (12);
one side of the surface of the heating box (3) is connected with a switch door (20), the back of the switch door (20) is provided with a sealing strip (21), and the top of the surface of the switch door (20) is provided with an observation window (22);
an isolation net (23) is arranged in the cooling tank (4), a water storage box (24) is arranged on one side of the cooling tank (4), and a connecting water pipe (25) is arranged at the bottom in the cooling tank (4);
a water pump (26) is arranged in the water storage box (24), the bottom end of the connecting water pipe (25) is connected to the output end of the water pump (26), the top end of the connecting water pipe (25) is inserted into the water storage box (24), and a water injection pipe (29) is arranged in the middle of one side of the top of the water storage box (24);
the diffusion welding equipment comprises the following working steps:
s1, borosilicate glass is placed in a washing tank (2) of hydrochloric acid solution at the temperature of 5-30 ℃ for washing for one minute, two sides of the top of the washing tank (2) are respectively provided with a limiting sliding groove (5), the inside of the limiting sliding groove (5) is connected with a movable transverse plate (6) in a sliding manner, two sides of the bottom of the movable transverse plate (6) are provided with a fixed frame (7), the middle part of the top of the movable transverse plate (6) is provided with a handle (8), one side of the fixed frame (7) is provided with a control motor (9), the output end of the control motor (9) penetrates through the inside of the fixed frame (7) and is provided with a washing brush (10), the bottom of one side of the washing tank (2) is provided with a water outlet pipe (11), the surface of the water outlet pipe (11) is provided with a switch valve, the intersection of the water outlet pipe (11) and the washing tank (2) is provided with a sealing washer, the matching work of the handle (8), the limiting sliding groove (5) and the movable transverse plate (6) can facilitate the worker to slide the structure quickly, the setting of the washing brush can play a good supporting role for the control motor (9), the washing brush (10) and the washing brush can be connected with purified water after the washing of the washing motor (9) is connected, the purified water can be driven by the washing brush (10) to drive the purified water outlet of the fixed frame (10), then placing the glass into absolute ethyl alcohol for ultrasonic cleaning for five minutes;
s2, placing the cleaned glass into a heating box (3), drying for 20min at 100 ℃, wherein a power box (12) is installed on one side of the heating box (3), a driving motor (13) is installed in the middle of the top of the heating box (3), a transmission rod (14) is installed at the output end of the driving motor (13) and penetrates through the inner top wall of the heating box (3), a clamping plate (15) is installed at the bottom end of the transmission rod (14), adjusting knobs (16) are connected to the two sides of the surface of the clamping plate (15) in a threaded manner, limiting push plates (17) are connected to the bottom ends of the adjusting knobs (16), protective layers (18) are arranged on the surfaces of the limiting push plates (17), dryer bodies (19) are arranged on the two sides inside the heating box (3), the dryer bodies (19) are electrically connected with the power box (12), the clamping plate (15), the adjusting knobs (16) and the limiting push plates (17) are matched, inserting the top end of the glass into the clamping plate (15), screwing the adjusting knobs (16) to drive the limiting push plates (17) to move forwards, so that the glass can be fixed, the driving motor (13), the transmission rod (14), and the transmission rod (15) can drive the transmission rod (14) to drive the glass to rotate, furthermore, the heating area of the glass is more uniform, in addition, because one side of the surface of the heating box (3) is connected with the switch door (20), the back of the switch door (20) is provided with a sealing strip (21), the top of the surface of the switch door (20) is provided with an observation window (22), the arrangement of the switch door (20) can play a certain limiting role for the glass, and the arrangement of the sealing strip (21) can improve the whole sealing performance of the heating box (3);
s3, manufacturing the solder mask layer (27) by using 304 stainless steel, placing the glass to-be-welded workpieces (28) between the solder mask layers (27) according to an assembly sequence, loading the glass to-be-welded workpieces into a diffusion welding furnace, and applying pressure of 0.5-2 MPa to fix the positions of the glass to-be-welded workpieces (28);
s4, closing the furnace door, vacuumizing the furnace chamber, and starting heating when the vacuum degree is reduced to 5E-3 Pa;
s5, when the temperature of the glass workpiece reaches 500 ℃, increasing the welding pressure to 3-5 MPa, keeping the temperature for 30min, then continuously heating to 680-700 ℃, keeping the temperature for 30min, then removing the pressure, heating to 780-800 ℃, keeping the temperature for 30min, taking out the glass workpiece, placing the glass workpiece into a cooling tank (4), arranging an isolation net (23) in the cooling tank (4), arranging a water storage box (24) at one side of the cooling tank (4), arranging a connecting water pipe (25) at the bottom in the cooling tank (4), arranging a water pump (26) in the water storage box (24), and connecting the bottom end of the connecting water pipe (25) to the output end of the water pump (26), connect the top of water pipe (25) to peg graft in the inside of water storage box (24), the mid-mounting of water storage box (24) top one side has water injection pipe (29), separation net (23) can provide certain supporting role for the glass work piece, water pump (26) and the collocation work of connecting water pipe (25), water pump (26) can be taken out the liquid water in water storage box (24) to being connected in water pipe (25), it adopts snakelike design to connect water pipe (25), can improve the area of contact with the glass work piece, thereby accelerate the cooling rate of glass work piece, and this structure adopts closed type to connect, thereby can carry out loop-feed, and the waste of reducible water resource.
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| CN118218742B (en) * | 2024-05-23 | 2024-09-10 | 江苏博联硕焊接技术有限公司 | Visual double-infrared temperature measuring device and method for vacuum diffusion welding |
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