CN112979148B

CN112979148B - Toughened glass homogenizing furnace

Info

Publication number: CN112979148B
Application number: CN202110457887.7A
Authority: CN
Inventors: 李发军
Original assignee: Rizhao Kailai Glass Machinery Co ltd
Current assignee: Rizhao Kailai Glass Machinery Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-12-02
Anticipated expiration: 2041-04-27
Also published as: CN112979148A

Abstract

The invention discloses a toughened glass homogenizing furnace, and mainly relates to the field of toughened glass processing equipment. The induction cooker comprises a cooker body, a rectangular cooker chamber is arranged in the cooker body, a bottom plate is arranged at the bottom of the cooker chamber, vertical mounting plates are fixed on two sides of the bottom plate in the middle, an upper air deflector and a lower air deflector are transversely arranged at the top of the mounting plates, the upper air deflector is positioned above the lower air deflector, the upper air deflector is vertically arranged and arched outwards, the lower air deflector is horizontally arranged and arched downwards, hot air pipes for blowing hot air are arranged on the side walls of the cooker chamber, the hot air pipes are arranged above the upper air deflector, the hot air pipes transversely extend into the cooker chamber and extend out of the side walls to a length greater than d, a plurality of air suction ports are arranged at the lower part of the side walls of the cooker chamber, the air suction ports are linearly arranged in a row with the same height along the depth direction of the cooker chamber, and are arranged above the top sides of the lower air deflectors. The invention has the beneficial effects that: the glass homogenizing device has the advantages that hot air is not interfered in the aspects of airflow stability and heat energy maintenance, the glass homogenizing effect is better, and the heat utilization efficiency is higher.

Description

Toughened glass homogenizing furnace

Technical Field

The invention relates to the field of toughened glass processing equipment, in particular to a toughened glass homogenizing furnace.

Background

The tempered glass homogenizing furnace is an indirect tempered glass safety device, and performs homogenization treatment (also called hot dipping treatment) of secondary heating and annealing on tempered glass. The toughened glass with the potential self-explosion hazard, namely the uneven internal stress of the glass, is detonated in advance in the testing process, so that the self-explosion phenomenon is avoided after the toughened glass is installed, the qualified rate of the toughened glass after homogenization is greatly improved, and the safety and reliability of the toughened glass of the building are improved.

The hot air inlets of the existing homogenizing furnace are arranged at the top, the rear part and the side wall, hot air is conveyed to toughened glass needing homogenizing in the furnace through an air channel by a fan, the air is recovered, the hot air meeting the temperature requirement is enabled to act on the glass all the time through repeated operation, the toughened glass is heated to a rated temperature and is kept constant temperature for a long time, and the purpose of detonating the toughened glass with the hidden danger of 'spontaneous explosion' is achieved.

In the homogenizing furnace, it is important to effectively plan and design the circulation condition of the hot air. Because the glass is a closed space and is erected in the middle, air flow circulation is formed along with air blowing and air exhaust, if the flow design of circulating hot air in the homogenizing furnace is not good, the problems of high energy consumption and low homogenizing efficiency are caused, and the production efficiency and the quality of the glass are influenced.

Disclosure of Invention

The invention aims to provide a toughened glass homogenizing furnace, which ensures that hot air is not interfered in the aspects of stabilizing air flow and maintaining heat energy, has better glass thermal homogenizing effect and higher heat utilization efficiency.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a toughened glass homogenizing furnace comprises a furnace body, wherein a rectangular furnace chamber is arranged in the furnace body, a bottom plate is arranged at the bottom of the furnace chamber, vertical mounting plates are fixed on two sides of the bottom plate in the middle, an inner shaft and an outer shaft are transversely arranged on the top of the mounting plates in parallel, the outer shaft is arranged close to the side wall of the furnace chamber, a lower air deflector is fixedly connected to the inner shaft, an extension rod is arranged on the outer shaft, the extension rod extends upwards and inwards in an inclined mode, an upper air deflector is fixedly connected to the top end of the extension rod, the upper air deflector and the lower air deflector are both arc-shaped plates, the bottom side of the lower air deflector is in contact with the bottom plate, the top side of the lower air deflector is located on the outer side of the upper air deflector, the upper air deflector is vertically arranged and arches outwards, and the distance between the upper side of the upper air deflector and the side wall of the furnace chamber is d;

the side wall of the furnace chamber is provided with a hot air pipe used for blowing in hot air, the hot air pipe is arranged above the upper air deflector, the hot air pipe transversely extends into the furnace chamber and extends out of the side wall by a length larger than d, the lower part of the side wall of the furnace chamber is provided with a plurality of air suction openings, the air suction openings are linearly arranged in a row with the same height along the depth direction of the furnace chamber, and the air suction openings are arranged above the top side of the lower air deflector.

One end of the furnace body is provided with an inlet communicated with the furnace chamber, and the inlet is provided with a sealing door.

The heating furnace is characterized in that a heating chamber is arranged at the top of the furnace body, a heating assembly is arranged in the heating chamber, an air inlet pipe is arranged on the heating chamber, an air channel is arranged in the side wall of the furnace body, the air channel is an interlayer space arranged in the side wall of the furnace body, the heating chamber is communicated with an air channel of the air channel, hot air of the heating assembly can enter the air channel, and the hot air pipe is communicated with the air channel.

The hot air pipes are distributed on the side wall of the furnace chamber in a matrix manner, and a row of hot air pipes at the lowest side is higher than the upper air deflector.

The extension rod is an inclined straight rod which forms an angle of 45 degrees with the bottom plate.

The two ends of the inner shaft penetrate through the mounting plate, a lower hexagonal connecting rod is fixedly mounted at the outer end of the inner shaft, the section of the lower hexagonal connecting rod is hexagonal, a lower fixing cap with an inner hexagonal fixing hole is fixedly sleeved on the lower hexagonal connecting rod, and one end of the lower air deflector is fixed on the lower fixing cap;

an upper hexagonal connecting rod penetrates through and is fixed to the top end of the extension rod, an upper fixing cap with an inner hexagonal fixing hole is fixed to the outer transmission of the upper hexagonal connecting rod, and one end of the upper air deflector is fixed to the upper fixing cap.

The upper portion of mounting panel is equipped with two mounting holes, two it is connected with interior axle and outer axle respectively to rotate through the bearing in the mounting hole, outer epaxial circumference fixed mounting has driven pulley and driving gear, interior epaxial circumference fixed mounting has driven gear, the inboard of mounting panel still rotates and is connected with drive gear, drive gear is located between driving gear and the driven gear, just drive gear's the outside and driving gear meshing, drive gear's inboard and driven gear meshing, the bottom of mounting panel is rotated and is connected with driving pulley, the winding has the drive belt between driving pulley and the driven pulley, driving pulley passes through step motor drive.

Compared with the prior art, the invention has the beneficial effects that:

through the cooperation of hot-blast pipe, suction opening, last aviation baffle and lower aviation baffle in the furnace chamber, realized fine distribution to the air current in the furnace chamber, the hot-blast cooling air current that is not disturbed upwards after getting into of new income is not influenced, and refrigerated air is taken away from clearance passageway fast to let hot-blast not disturbed in the stability of air current and the maintenance of heat energy, it is better to the hot homogeneity effect of glass, heat utilization efficiency is higher.

Drawings

FIG. 1 is an overall schematic of the present invention.

Figure 2 is a schematic of the inlet of the present invention.

Fig. 3 is a partial structural schematic view of the air guide assembly of the present invention.

Fig. 4 is a backside schematic view of fig. 3 of the present invention.

FIG. 5 is a schematic view of the structure of the transmission part of the present invention.

Fig. 6 is a schematic view showing a retracted state of the air guide assembly of the present invention.

Fig. 7 is a side schematic view of fig. 6 of the present invention.

The reference numbers shown in the figures:

1. a furnace body; 2. a base plate; 3. a hot air pipe; 4. an air suction opening; 5. mounting a plate; 6. an inner shaft; 7. a lower fixing cap; 8. a lower air deflector; 9. an outer shaft; 10. an extension pole; 11. an upper fixing cap; 12. an upper air deflector; 13. a driven pulley; 14. a drive pulley; 15. a transmission belt; 16. a transmission gear; 17. a driving gear; 18. a driven gear.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope defined by the present application.

Unless otherwise specified, the instruments, reagents, materials and the like used in the following examples are conventional instruments, reagents, materials and the like known in the art and are commercially available. Unless otherwise specified, the experimental methods, detection methods, and the like described in the following examples are conventional experimental methods, detection methods, and the like in the prior art.

Example 1: toughened glass homogenizing furnace

This homogeneity stove includes furnace body 1, set up the furnace chamber of rectangle in the furnace body 1, the one end of furnace body 1 is equipped with the entry with the furnace chamber intercommunication, be equipped with the sealing door on the entry, the sealing door is for running from opposite directions the door, and the opening and sealing to the furnace chamber is realized through opening and close of sealing door, provides airtight space for the homogenization.

The heating furnace is characterized in that a heating chamber is arranged at the top of the furnace body 1, a heating assembly is arranged in the heating chamber and can be a heating wire and an electric heating tube, an air inlet pipe is arranged on the heating chamber, and a fan is installed on the air inlet pipe and used for blowing air into the heating chamber.

The heating furnace is characterized in that an air channel is arranged in the side wall of the furnace body 1, the air channel is an interlayer space arranged in the side wall of the furnace body 1, and the heating chamber is communicated with an air channel air passage and can enable hot air of the heating assembly to enter the air channel. The side wall of the furnace chamber is provided with a hot air outlet, the hot air outlet is provided with a hot air pipe 3, and the hot air pipe 3 horizontally extends into the furnace chamber. The hot air pipes 3 are distributed on the side wall in a matrix mode, and hot air is uniformly sent out.

The bottom of furnace chamber is equipped with bottom plate 2, the left and right sides that bottom plate 2 and lateral wall meet is fixed with mounting panel 5 in the middle, be located the homonymy mounting panel 5 is two and relative symmetry sets up, mounting panel 5 extends upright, the bottom side of mounting panel 5 is fixed on bottom plate 2.

Two mounting holes are formed in the upper portion of the mounting plate 5, an inner shaft 6 and an outer shaft 9 are fixed in the mounting holes respectively, the inner shaft 6 and the outer shaft 9 are horizontally arranged in parallel, the outer shaft 9 is close to the side wall, and the inner shaft 6 is close to one side in the furnace chamber, so that the inner side and the outer side are formed.

The mounting panel 5 is run through at the both ends of interior axle 6, and the outer end fixed mounting of interior axle 6 has hexagonal connecting rod down, the cross-section of hexagonal connecting rod is the hexagon down, cup joint down on the hexagonal connecting rod and be fixed with down locking cap 7, the side end face that locking cap 7 and mounting panel 5 are adjacent down is equipped with interior hexagonal fixed orifices for it is fixed with hexagonal connecting rod grafting down.

A lower air deflector 8 is fixed on the lower fixing cap 7, and the lower air deflector 8 is an arc-shaped plate.

Fixedly connected with extension rod 10 on the outer axle 9, extension rod 10 is for being about the slope straight-bar about 45 degrees (upwards inside extension) with bottom plate 2, extension rod 10's top is run through and is fixed with the hexagonal connecting rod, the biography outward of going up the hexagonal connecting rod is fixed with locking cap 11, it is equipped with interior hexagonal fixed orifices to go up locking cap 11 and the adjacent side end face of mounting panel 5 for peg graft fixedly with last hexagonal connecting rod. The hexagonal connecting rod is a standard component, and the component names are respectively defined for convenience of description.

An upper air deflector 12 is fixed on the upper fixing cap 11, the radian of the upper air deflector 12 is arched outwards, and the upper air deflector 12 is an arc-shaped plate in a vertical state. The extension rod 10 lifts and pushes the upper air guiding plate 12 inwards, so that on one hand, the bottom side of the upper air guiding plate 12 is at a certain distance from the top side of the lower air guiding plate 8, and a channel for air flow is formed. On the other hand, the upper air deflector 12 has a certain distance d from the inner wall of the oven cavity by the extension rod 10, and the distance d forms a clearance channel of the upper air deflector 12 on the inner wall of the cranial cavity. The length of the hot air pipe 3 is larger than the distance d, so that the blowing of the hot air is not influenced by the raised return air flow.

Through the structure, the lower air deflector 8 and the upper air deflector 12 are convenient to disassemble, and if a problem occurs, the disassembly, maintenance and replacement can be carried out timely, so that production is not delayed.

The hot air pipe 3 at the lowest row is arranged above the upper air deflector 12; the inner wall of the furnace chamber is provided with a suction opening 4, the suction opening 4 is a long-strip-shaped hole extending transversely, the suction openings 4 are linearly arranged in a row with the same height along the depth direction of the furnace chamber, and the suction opening 4 is arranged above the top side of the lower air deflector 8 and is preferably arranged between the top side of the lower air deflector 8 and the bottom side of the upper air deflector 12.

The lower air deflector 8 is an arc-shaped plate which is arched downwards, the bottom side of the lower air deflector is in contact with the bottom plate 2, the inner side of the lower air deflector 8 is tilted upwards and is not more than 3cm away from the bottom plate 2 (so that the lower air deflector has a good receiving effect on falling air flow, and the air flow is easily blocked from being led in when the lower air deflector is too high), and the top side of the lower air deflector 8 is positioned on the outer side of the bottom side of the upper air deflector 12, so that the air flow at the bottom can enter the back side (outer side) of the upper air deflector more conveniently;

through the cooperation of the hot air pipe 3, the air suction opening 4, the upper air deflector 12 and the lower air deflector 8 in the furnace cavity, the air flow in the furnace cavity has the following effects (the improvement principle of the air flow in the homogenizing furnace):

hot-blast in the furnace chamber of blowing from horizontal level in the hot-blast main 3, directly act on the glass face, the heat exchange efficiency with glass is higher, helps improving hot-blast utilization ratio, improves homogeneity efficiency.

After the hot air is fully contacted with the glass, the cooled gas sinks to the bottom of the furnace chamber, the flowing effect shown in fig. 2 is realized along with the internal blowing of the hot air, after the gas with lower temperature sinks to the bottom of the furnace chamber, the gas flows from the bottom to the side wall along with the air suction of the air suction opening 4 arranged at the lower part of the side wall, passes through the lower air deflector 8, enters the clearance channel (the clearance channel formed between the upper air deflector 12 and the side wall) from the space reserved between the top side of the lower air deflector 8 and the bottom side of the upper air deflector 12, and is further sucked away through the air suction opening 4 arranged at the position.

The split flow of the cooling air flow and the newly-entered hot air is realized through the upper air deflector 12, the cooled air is quickly pumped away from the clearance channel, even if the air draft is not timely, part of the cooling air flow is disturbed upwards, and the air outlet of the hot air pipe 3 is positioned at the inner side of the upper air deflector 12, so that the new hot air flow is not influenced by the disturbed cooling air flow upwards after entering. Therefore, the hot air is not interfered in the stability of air flow and the maintenance of heat energy, the heat homogenizing effect on the glass is better, and the heat utilization efficiency is higher.

Example 2: toughened glass homogenizing furnace

In contrast to exemplary embodiment 1, inner shaft 6 and outer shaft 9 are designed as rotatable structures. The method comprises the following steps:

two mounting holes are formed in the upper portion of the mounting plate 5, an inner shaft 6 and an outer shaft 9 are respectively connected in the two mounting holes in a rotating mode through bearings, the inner shaft 6 and the outer shaft 9 are horizontally arranged in parallel, the outer shaft 9 is close to the side wall, and the inner shaft 6 is close to one side in the furnace chamber, so that the inner side and the outer side are formed.

The outer shaft 9 is circumferentially and fixedly provided with a driven belt wheel 13 and a driving gear 17, the inner shaft 6 is circumferentially and fixedly provided with a driven gear 18, the inner side of the mounting plate 5 is further rotatably connected with a transmission gear 16, the transmission gear 16 is positioned between the driving gear 17 and the driven gear 18, the outer side of the transmission gear 16 is meshed with the driving gear 17, the inner side of the transmission gear 16 is meshed with the driven gear 18, and linkage between the outer shaft 9 and the inner shaft 6 is realized when the outer shaft 9 rotates.

The bottom of mounting panel 5 rotates and is connected with driving pulley 14, it has drive belt 15 to twine between driving pulley 14 and the driven pulley 13, one the outside of mounting panel 5 is fixed with step motor, step motor's output shaft and driving pulley's rotation circumference are spacing fixed, realize the motor to driving pulley's drive to the rotation of axle 6 and outer axle 9 in the control.

The driving pulley, the driven pulley 13, the transmission gear 16, the driven gear 18, the driving gear 17 and the transmission belt 15 are all arranged between the two mounting plates 5.

When the glass plate goes in and out, in order to facilitate the going in and out, the lower air guide plate 8 can be upwards rotated to be vertical through the transmission and driving structure, and the upper air guide plate 12 is outwards rotated to be close to the side wall, so that a more sufficient passing in and out channel is provided when the glass plate goes in and out, and the feeding and returning are facilitated. When the glass plate goes in and out, the glass plate is required to be assisted and fixed according to the quantity of glass and the glass frame, the auxiliary assembly is detached after the glass plate is fed in place, the upper air deflector 12 and the lower air deflector 8 are retracted, a channel for feeding the glass plate can be conveniently abdicated, and a space is provided for the auxiliary assembly or personnel to operate.

When the glass plate is properly placed and sealed and heated, the extension rod 10 and the lower air guiding plate 8 can be turned over towards the center of the oven cavity by rotating the extension rod 10 and the lower air guiding plate 8, so as to obtain the upper and lower positions of the embodiment 1.

Claims

1. A toughened glass homogenizing furnace is characterized by comprising a furnace body, wherein a rectangular furnace chamber is arranged in the furnace body, a bottom plate is arranged at the bottom of the furnace chamber, a vertical mounting plate is fixed on two sides of the bottom plate in the middle, an inner shaft and an outer shaft are transversely arranged on the top of the mounting plate in parallel, the outer shaft is arranged close to the side wall of the furnace chamber, a lower air guide plate is fixedly connected onto the inner shaft, an extension rod is arranged on the outer shaft, the extension rod extends upwards and inwards in an inclined manner, an upper air guide plate is fixedly connected onto the top end of the extension rod, the upper air guide plate and the lower air guide plate are both arc-shaped plates, the bottom side of the lower air guide plate is in contact with the bottom plate, the top side of the lower air guide plate is positioned on the outer side of the upper air guide plate, the upper air guide plate is vertically arranged and arched outwards, and the distance between the upper side of the upper air guide plate and the side wall of the furnace chamber is d;

the side wall of the furnace chamber is provided with a hot air pipe used for blowing hot air, the hot air pipe is arranged above the upper air deflector, the hot air pipe transversely extends into the furnace chamber and extends out of the side wall by a length larger than d, the lower part of the side wall of the furnace chamber is provided with a plurality of air suction openings, the air suction openings are linearly arranged in a row with the same height along the depth direction of the furnace chamber, and the air suction openings are arranged between the top side of the lower air deflector and the bottom side of the upper air deflector.

2. The tempered glass homogenizing furnace of claim 1, wherein an inlet is provided at one end of the furnace body and communicates with the furnace chamber, and a sealing door is provided on the inlet.

3. The toughened glass homogenizing furnace according to claim 1, wherein a heating chamber is arranged at the top of the furnace body, a heating assembly is arranged in the heating chamber, an air inlet pipe is arranged on the heating chamber, an air channel is arranged in the side wall of the furnace body, the air channel is an interlayer space arranged in the side wall of the furnace body, the heating chamber is communicated with an air channel air passage and can enable hot air of the heating assembly to enter the air channel, and the hot air pipe is communicated with the air channel.

4. The tempered glass homogenizing furnace of claim 1, wherein the hot air pipes are arranged in a matrix on the side wall of the furnace chamber, and a row of the hot air pipes at the lowest side is higher than the upper air guiding plate.

5. The tempered glass homogenizing furnace of claim 1, wherein the extension rod is an inclined straight rod at 45 degrees to the bottom plate.

6. The toughened glass homogenizing furnace of claim 1, wherein two ends of the inner shaft penetrate through the mounting plate, a lower hexagonal connecting rod is fixedly mounted at the outer end of the inner shaft, the section of the lower hexagonal connecting rod is hexagonal, a lower fixing cap with an inner hexagonal fixing hole is fixedly sleeved on the lower hexagonal connecting rod, and one end of the lower air deflector is fixed on the lower fixing cap;

7. The toughened glass homogenizing furnace according to claim 1, wherein two mounting holes are formed in the upper portion of the mounting plate, an inner shaft and an outer shaft are rotatably connected in the two mounting holes through bearings respectively, a driven pulley and a driving gear are fixedly mounted on the outer shaft in the circumferential direction, a driven gear is fixedly mounted on the inner shaft in the circumferential direction, a transmission gear is rotatably connected to the inner side of the mounting plate, the transmission gear is located between the driving gear and the driven gear, the outer side of the transmission gear is meshed with the driving gear, the inner side of the transmission gear is meshed with the driven gear, a driving pulley is rotatably connected to the bottom of the mounting plate, a transmission belt is wound between the driving pulley and the driven pulley, and the driving pulley is driven by a stepping motor.