CN210287134U

CN210287134U - Glass tempering furnace

Info

Publication number: CN210287134U
Application number: CN201921179763.1U
Authority: CN
Inventors: 姜洪波
Original assignee: Hunan Huiyin Glass Co Ltd
Current assignee: Hunan Huiyin Glass Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-10
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a glass tempering furnace. The ceramic roller preheating and tempering device comprises a first speed regulating motor, a first rotating shaft, a driving gear, a belt, a first bearing, a second rotating shaft, a second speed regulating motor, a controller, an upper sheet end, a preheating zone, a high-temperature zone, a tempering zone, a cooling zone and a lower sheet end which are sequentially communicated, wherein a plurality of ceramic rollers are arranged in the preheating zone, the high-temperature zone, the tempering zone and the cooling zone at equal intervals; driven gears on the ceramic rollers in the toughening area and the cooling area are connected with a first speed regulating motor through a belt and a driving gear on a first rotating shaft, and a controller is respectively connected with the first speed regulating motor, a second speed regulating motor and an electric roller through wires. The method has the advantage of simplifying the processing time operation for adjusting the thickness of the glass.

Description

Glass tempering furnace

Technical Field

The utility model relates to a tempering furnace, concretely relates to glass tempering furnace.

Background

The toughened glass belongs to safety glass, is actually a prestressed glass, and usually adopts a chemical or physical method to form compressive stress on the surface of the glass in order to improve the strength of the glass, and the glass firstly offsets the surface stress when bearing external force, so that the bearing capacity is improved, and the wind pressure resistance, the cold and hot property, the impact property and the like of the glass are enhanced.

The toughened glass is obtained by cutting common annealed glass into required size, heating to about 700 ℃ close to a softening point, and then rapidly and uniformly cooling (generally, 5-6MM glass is heated at 700 ℃ for about 240 seconds and cooled for about 150 seconds, 8-10MM glass is heated at 700 ℃ for about 500 seconds and cooled for about 300 seconds, in short, the heating and cooling time is different according to the thickness of the glass), uniform compressive stress is formed on the surface of the toughened glass, tensile stress is formed inside the toughened glass, so that the bending strength and the impact strength of the glass are improved, and the strength of the toughened glass is about four times of that of the common annealed glass; however, when the existing toughening furnace is used for processing glass with different thicknesses, various parameters need to be manually adjusted, the procedure is complex, non-professional personnel cannot adjust the parameters, and the adjustment efficiency is low.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, providing a glass tempering furnace, only need adjustment buncher's rotational speed, just can realize the glass how long time that heats, cool off how long time, simplified the operation, improved efficiency.

In order to achieve the above object, the technical solution of the present invention is: a glass tempering furnace comprises a first speed regulating motor, a first rotating shaft, a driving gear, a belt, a first bearing, a second rotating shaft, a second speed regulating motor, a controller, an upper sheet end, a preheating zone, a high-temperature zone, a tempering zone, a cooling zone and a lower sheet end which are sequentially communicated, wherein a plurality of electric rollers are respectively arranged on the upper sheet end and the lower sheet end at equal intervals, a plurality of ceramic rollers are arranged in the preheating zone and the high-temperature zone at equal intervals, an infrared heating plate is arranged above the ceramic rollers, a constant-temperature heating table is arranged below the ceramic rollers, a plurality of ceramic rollers are arranged in the tempering zone and the cooling zone at equal intervals, an air cooling mechanism is arranged above the ceramic rollers, the glass tempering furnace is characterized in that one end of each ceramic roller extends out of the preheating zone or the high-temperature zone or the tempering zone or the cooling zone to be connected with the driven gear, the driven gear on the ceramic rollers in the preheating zone and the high-temperature, one end of the second rotating shaft is connected with the second bearing, and the other end of the second rotating shaft is connected with the second speed regulating motor; driven gears on the ceramic rollers in the tempering area and the cooling area are in transmission connection with a driving gear on a first rotating shaft through a belt, one end of the first rotating shaft is connected with a first bearing, the other end of the first rotating shaft is connected with a first speed regulating motor, and a controller is respectively connected with the first speed regulating motor, a second speed regulating motor and an electric roller through wires.

The forced air cooling mechanism includes ring duct, air outlet nozzle, inferior tuber pipe, baffle, air-blower, air discharge fan and tuber pipe, the pipe at the left and right both ends of ring duct communicates with the tuber pipe respectively, the other end and the air-blower intercommunication of this tuber pipe, the inferior tuber pipe that the pipe at preceding, back both ends of ring duct set up through a plurality of equidistance communicates each other, and the middle part all is equipped with the baffle on the pipe at preceding, back both ends of this ring duct, the pipe equidistance at inferior tuber pipe and the left and right both ends of ring duct is provided with a plurality of air outlet nozzles to the middle part slope, the upper end middle part of tempering district or cooling space is provided with air discharge fan, both ends are provided with the air-blower, air-blower and air.

The structure of the tempering zone is the same as that of the cooling zone, and the structure of the preheating zone is the same as that of the high-temperature zone.

And two ends of the infrared heating plate are respectively connected with the inner walls of the preheating zone and the high-temperature zone and are connected with a controller through wires.

The constant temperature heating table is arranged in the preheating zone and the high temperature zone and is arranged below the ceramic roller, and the constant temperature heating table is connected with a controller through a lead.

The utility model has the advantages that:

the ceramic rollers in the preheating zone and the high-temperature zone of the utility model are controlled by the second speed regulating motor, and the ceramic rollers in the tempering zone and the cooling zone are controlled by the first speed regulating motor, so that the speed regulating motor can be respectively adjusted to change the rotating speed to control the heating and cooling time of the tempered glass, thereby meeting the processing requirements of glass with different thicknesses;

the utility model has the advantages that the upper ends of the preheating zone and the high-temperature zone are provided with the infrared heating plate, the lower ends of the preheating zone and the high-temperature zone are provided with the constant-temperature heating table, so that the upper surface and the lower surface of the toughened glass are uniformly heated, and the toughened glass is rapidly heated in a heat convection mode, thereby not only improving the production quality and the production efficiency of the toughened glass, but also effectively solving the problems of stress spots and uneven surface caused by nonuniform heating;

the utility model discloses a tempering district and cooling space upper end set up a plurality of rows and incline the air outlet nozzle that inclines forward the blowing and a plurality of rows incline the air outlet nozzle that blows backward, two wind are crisscross to be blown on glass, make the wind on the glass softer, and the top still is provided with the air discharge fan, with the timely discharge of hot-air, the refrigerated efficiency has been accelerated, and glass all moves towards same direction and does not stop always, therefore glass's tempering is accomplished in the motion, the area presses the air current can not blow to static glass on, the problem of wind spot just can alleviate greatly, glass's quality has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view A-A;

FIG. 3 is a schematic view of the air cooling mechanism;

in the figure: 1-upper piece end, 2-preheating zone, 3-high temperature zone, 4-tempering zone, 5-cooling zone, 6-lower piece end, 7-electric controller, 8-electric roller, 9-air cooling mechanism, 10-air blower, 11-exhaust fan, 12-air pipe, 13-ceramic roller, 14-first adjustable speed motor, 15-first rotating shaft, 16-driving gear, 17-belt, 18-first bearing, 19-second bearing, 20-second rotating shaft, 21-second adjustable speed motor, 22-infrared heating plate, 23-constant temperature heating table, 24-driven gear, 91-annular pipe, 92-air outlet nozzle, 93-secondary air pipe and 94-partition plate.

Detailed Description

The present invention and its embodiments will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-3, the utility model comprises a first adjustable-speed motor 14, a first rotating shaft 15, a driving gear 16, a belt 17, a first bearing 18, a second bearing 19, a second rotating shaft 20, a second adjustable-speed motor 21, a controller 7, and an upper sheet end 1, a preheating zone 2, a high temperature zone 3, a toughening zone 4, a cooling zone 5, a lower sheet end 6 which are sequentially connected, wherein a plurality of electric rollers 8 are respectively arranged on the upper sheet end 1 and the lower sheet end 6 at equal intervals, a plurality of ceramic rollers 13 are arranged in the preheating zone 2 and the high temperature zone 3 at equal intervals, an infrared heating plate 22 is arranged above the ceramic rollers, a constant temperature heating table 23 is arranged below the ceramic rollers, a plurality of ceramic rollers 13 are arranged in the toughening zone 4 and the cooling zone 5 at equal intervals, an air cooling mechanism 9 is arranged above the ceramic rollers, and is characterized in that one end of the ceramic rollers 13 extends out of the preheating zone 2 or the high temperature zone 3 or the toughening zone 4 or the cooling zone 5, driven gear 24 on the ceramic roller 13 in preheating zone 2 and the high temperature zone 3 passes through belt 17 and is connected with the driving gear 16 transmission on the second pivot 20, and this second pivot one end is connected with second bearing 19, and the other end is connected with second buncher 21, driven gear 24 on the ceramic roller 13 in tempering zone 4 and the cooling zone 5 passes through belt 17 and is connected with the driving gear 16 transmission on the first pivot 15, and this first pivot one end is connected with first bearing 18, and the other end is connected with first buncher 14, controller 7 is connected with first buncher 14, second buncher 21, 8 wire of electronic roller respectively.

Air cooling mechanism 9 includes annular duct 91, tuyere 92, inferior tuber pipe 93, baffle 94, air-blower 10, air discharge fan 11 and tuber pipe 12, the pipe at the left and right both ends of annular duct 91 communicates with tuber pipe 12 respectively, and the other end and the air-blower 10 of this tuber pipe communicate, the inferior tuber pipe 93 that the pipe at preceding, back both ends of annular duct 91 set up through a plurality of equidistance communicates each other, and the middle part all is equipped with baffle 94 on the pipe at preceding, back both ends of this annular duct, the pipe equidistance at the left and right both ends of inferior tuber pipe 93 and annular duct 91 is provided with a plurality of air-discharge nozzles 92 to the middle part slope, the upper end middle part of tempering district 4 or cooling zone 5 is provided with air discharge fan 11, both ends is provided with air-blower 10, air-blower 10 and air discharge fan 11 and controller 7 intercommunication make the heat dissipation faster, and wind-force is softer, has reduced.

The structure of the tempering zone 4 is the same as that of the cooling zone 5, and the structure of the preheating zone 2 is the same as that of the high-temperature zone 3, so that the installation and maintenance are convenient.

The two ends of the infrared heating plate 22 are respectively connected with the inner walls of the preheating zone 2 and the high temperature zone 3, and are connected with the controller 7 through wires to heat the upper surface of the glass.

The constant temperature heating stage 23 is installed in the preheating zone 2 and the high temperature zone 3 and is disposed below the ceramic roller 13, and is wire-connected to the controller 7 to heat the lower surface of the glass.

When the glass processing device is used, firstly, the time needing heating and cooling is estimated according to the thickness of glass, then the path length of the preheating zone 2 and the high-temperature zone 3 is divided by the time to obtain the speed of the path, namely, the rotating speed of the second speed regulating motor 21 is regulated on the controller 7, and according to the thicknesses of a plurality of commonly used processed glass, a plurality of commonly used speeds of the second speed regulating motor 21 can be set into buttons to facilitate switching; the glass to be toughened is fed at the upper sheet end 1, the glass is conveyed into the preheating zone 2 by the electric roller 8, the glass sequentially passes through the preheating zone 2, the high-temperature zone 3, the toughening zone 4 and the cooling zone 5, and is discharged from the lower sheet end 6 after the toughening procedure is finished.

Claims

1. A glass tempering furnace comprises a first speed regulating motor, a first rotating shaft, a driving gear, a belt, a first bearing, a second rotating shaft, a second speed regulating motor, a controller, an upper sheet end, a preheating zone, a high-temperature zone, a tempering zone, a cooling zone and a lower sheet end which are sequentially communicated, wherein a plurality of electric rollers are respectively arranged on the upper sheet end and the lower sheet end at equal intervals, a plurality of ceramic rollers are arranged in the preheating zone and the high-temperature zone at equal intervals, an infrared heating plate is arranged above the ceramic rollers, a constant-temperature heating table is arranged below the ceramic rollers, a plurality of ceramic rollers are arranged in the tempering zone and the cooling zone at equal intervals, an air cooling mechanism is arranged above the ceramic rollers, the glass tempering furnace is characterized in that one end of each ceramic roller extends out of the preheating zone or the high-temperature zone or the tempering zone or the cooling zone to be connected with the driven gear, the driven gear on the ceramic rollers in the preheating zone and the high-temperature, one end of the second rotating shaft is connected with the second bearing, and the other end of the second rotating shaft is connected with the second speed regulating motor; driven gears on the ceramic rollers in the tempering area and the cooling area are in transmission connection with a driving gear on a first rotating shaft through a belt, one end of the first rotating shaft is connected with a first bearing, the other end of the first rotating shaft is connected with a first speed regulating motor, and a controller is respectively connected with the first speed regulating motor, a second speed regulating motor and an electric roller through wires.

2. A glass tempering furnace as defined in claim 1, wherein said air cooling means comprises a circular tube, air outlet nozzles, sub-air pipes, partitions, a blower, an exhaust fan and air pipes, said circular tube having left and right ends respectively connected to said air pipes, said air pipes having other ends connected to said blower, said circular tubes having front and rear ends connected to said sub-air pipes by a plurality of equally spaced sub-air pipes, said circular tubes having front and rear ends respectively provided with partitions at their upper ends, said sub-air pipes and said circular tubes having left and right ends equally spaced air outlet nozzles inclined toward the middle, said tempering zone or cooling zone having upper ends with said exhaust fan, said blower and said exhaust fan connected to said controller.

3. A glass tempering furnace as defined in claim 2 wherein said tempering zone and said cooling zone are of identical construction and said preheating zone and said high temperature zone are of identical construction.

4. A glass tempering furnace as defined in claim 3 wherein said infrared heating plates are connected at both ends to the inner walls of the preheating zone and the high temperature zone, respectively, and to the controller by means of wires.

5. A glass tempering furnace as defined in claim 4, wherein said constant temperature heating stages are installed in said preheating zone and said high temperature zone and are disposed below said ceramic rollers, said constant temperature heating stages being connected to said controller by wires.