CN204417328U - A kind of curved glass tempering production refrigerating unit - Google Patents

Abstract

A cooling device for bent glass tempering production, comprising a frame assembly, a glass conveying device assembly arranged on the frame assembly, and an air grid assembly for cooling the glass, and the air grid assembly includes The upper air grille assembly and the lower air grille assembly, the glass conveying device assembly is equipped with a plurality of rollers for carrying and conveying glass, the upper air grille assembly and the lower air grille assembly are respectively arranged on the roller table composed of the plurality of sticks On the upper side and the lower side, the frame assembly is also provided with a lifting mechanism for height adjustment of the upper air grille assembly. The device can independently adjust the cooling time and cooling temperature without being affected by the operating parameters of the tempering furnace itself, and can improve the cooling efficiency and the production quality of the product.

Description

A cooling device for bending glass tempering production

technical field

The utility model relates to a cooling device, in particular to a cooling device for production of bent glass tempering.

Background technique

In the production process of bent glass tempering, since the temperature of the glass is still very high (up to 400-500°C) after tempering and cooling, a process of continuing to cool down to a temperature that can be stored and transported (about 40°C) is required . In the prior art, furnace cooling is often used for further cooling, but since it takes a long time to cool from the tempered temperature to the storage temperature, the production cycle of the entire tempered glass is long and the production efficiency is low. Production costs are higher.

There are also some enterprises that use the axial flow fan to provide compressed air to cool the tempered curved glass. The specific method is to place the axial flow fan on the back side of the unloading table to cool the curved glass. Using this method not only causes bending glass Uneven cooling, poor product quality, high energy consumption, and low production efficiency. In addition, the compressed air generated by the axial flow fan is easy to blow directly on the operator's body during production, causing certain harm to the health of the operator.

Utility model content

In order to solve the above technical problems, the utility model provides a cooling device for bent glass tempering production, which can greatly improve the cooling efficiency of bent glass, thereby finally improving the efficiency of tempered bent glass production and improving the production quality of tempered bent glass.

The technical scheme adopted by the utility model in order to solve the above-mentioned technical problems is: a cooling device for the production of bent glass tempering, including a frame assembly, a glass conveying device assembly arranged on the frame assembly, and a Cooling air grid assembly, the air grid assembly includes an upper air grid assembly and a lower air grid assembly, the glass conveying device assembly is provided with a plurality of rollers for carrying and conveying glass, the upper air grid The assembly and the lower air grill assembly are respectively arranged on the upper side and the lower side of the roller table composed of the plurality of sticks, and the frame assembly is also provided with a lifting mechanism for height adjustment of the upper air grill assembly .

Further, the lifting mechanism includes a motor-driven reducer arranged at the bottom of the frame assembly, the reducer is provided with double output shafts, and the two ends of the double output shafts are respectively connected to the reducer The output drive shaft I and the output drive shaft II of the reducer, the output drive shaft I of the reducer and the output drive shaft II of the reducer respectively transmit power to the double output of the reducer through a driving bevel gear at the other end. The shafts are perpendicular to the corresponding first transmission shaft, and the first transmission shaft transmits power to the corresponding second transmission shaft through the coupling. The driving sprocket of the lifting mechanism at the other end, the corresponding driven sprocket of the lifting mechanism above the frame assembly, and the ring-shaped lifting chain wound on the two sprockets drive the upper wind grille assembly connected with the lifting chain. Lift and lower.

Further, a leeward lifting suspension plate for connecting the downwind grille assembly is provided on the upwind grille assembly.

Further, the driven sprocket of the lifting mechanism is fixed on the frame assembly through an upper support, and the upper support is provided with a vertical guide sleeve I, which is connected with the upper support on the frame assembly. A lower support is provided below the corresponding position of the support, the lower support is provided with a guide sleeve II, and a guide column is provided on the upper air grille assembly, and the guide column is installed on the corresponding guide sleeve I and the guide sleeve II move downward under the guidance, and the part of the guide column between the upper support and the lower support is fixedly connected with the corresponding lifting chain through a lifting ring.

Further, a bush is also provided between the guide sleeve I and the guide column, and an annular oil groove is arranged on the inner circumference of the bush, and the corresponding oil groove on the guide sleeve I There is an oil port for injecting lubricating oil into the oil tank at the position, and an oil cup is arranged on the oil port.

Further, the lifting chain is provided with a screw adjustment pair, and the screw adjustment pair includes a long nut and two studs with holes that are respectively screwed to the two ends of the long nut, and the helical direction of the two ends of the long nut is On the contrary, the two studs with holes are respectively connected with the lifting chain through the holes provided thereon.

Further, the glass conveying device assembly includes a motor reducer arranged at the bottom of the frame assembly, a drive sprocket arranged on the output shaft of the motor reducer, and a plurality of horizontal and parallel intervals arranged on the upper part of the frame assembly. Rollers, a plurality of driven sprockets arranged at the ends of a plurality of rollers and an endless conveyor chain wound on the driving sprocket and a plurality of driven sprockets in sequence; An idler wheel is provided on each side for guiding the conveyor chain. On the frame assembly at the end of the conveyor chain away from the drive sprocket, two tension chains are provided at the same height as the two idler wheels. Wheel I is provided with tensioning sprocket II under the two tensioning sprockets I, and said tensioning sprocket II is set on the frame assembly through an adjusting bolt.

Further, the upper air grille assembly is mainly composed of a front end plate, a rear end plate and a plurality of bellows arranged between the front end plate and the rear end plate, a lower air nozzle is arranged at the lower end of the bellows, and the The front end plate is provided with a plurality of air inlets, and the side of the bellows is in the shape of a right-angle trapezoid from the front end plate to the rear end plate, and the plane where the straight waist of the right-angle trapezoid is facing the rollers in the glass conveying device assembly.

Further, an intermediate plate for reinforcement is provided above the plurality of bellows.

Beneficial effects:

1. According to the utility model, the tempered and cooled bent glass in the tempering furnace can be transported to the device for cooling. The device can independently adjust the cooling time and cooling temperature without being affected by the parameters of the tempering furnace itself. , so as to reduce the requirements of the tempering furnace on the cooling function, reduce the manufacturing cost of the tempering furnace, and use this device alone, because it does not need to be manufactured according to the high manufacturing precision requirements of the tempering furnace, thereby reducing the production cost of the curved glass tempering as a whole Cost of production.

2. This device can be manufactured in different lengths according to the size of the production scale (it can be realized by increasing the length of the conveying roller table and the length of the air grid assembly), so that it can cool multiple pieces of bent glass at the same time, greatly improving the cooling efficiency The invention solves the problem of low work efficiency caused by cooling in the tempering furnace in the prior art.

3. Through the setting of the upper air grille assembly and the lower air grille assembly, the cooling of the curved glass can be more uniform, which eliminates the defects caused by the simple use of axial fans for cooling in the prior art, and improves the production of tempered curved glass quality.

4. The setting of the lifting mechanism of the upper air grid assembly can ensure the synchronization of the adjustment to reduce the failure rate while adjusting the distance between the upper air grid and the conveying roller table; Hanging, so as to adjust to further ensure the cooling quality of the product.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a left side view of Fig. 1 .

Fig. 3 is a view of A-A in Fig. 1 .

Figure 4 is a top view of the lifting mechanism.

Fig. 5 is a left-side turning view of Fig. 4 .

Fig. 6 is an enlarged partial cross-sectional view of the upper support in Fig. 4 .

Figure 7 is a top view of the upper air grill assembly.

Fig. 8 is a B-B view in Fig. 7 (also a sectional view of two bellows).

In the figure, 1. Rack assembly, 2. Lifting mechanism, 2-1, Drive sprocket of lifting mechanism, 2-2, First transmission shaft, 2-3, Coupling, 2-4, Outer spherical ball bearing Ⅰ, 2-6, second drive shaft, 2-7, driving bevel gear, 2-8, passive bevel gear, 2-9, reducer output drive shaft Ⅰ, 2-10, reducer base, 2-11, Reducer, 2-12, reducer output drive shaft Ⅱ, 2-13, guide column joint arm, 2-14, lifting guide column, 2-15, driven sprocket of lifting mechanism, 2-16, upper support, 2-17, lifting ring, 2-18, lower support, 2-19, adjusting screw pair, 2-20, lifting chain, 2-21, dust-proof gland, 2-22, dust-proof adhesive ring, 2- 23. Bushing, 2-24, oil cup, 3. protective cover, 4. lower air grille assembly, 5. roller table crank, 6. glass conveying device assembly, 6-1, tensioning mechanism assembly, 6 -1-1, tensioning sprocket Ⅰ, 6-1-2, tensioning sprocket Ⅱ, 6-1-3, adjusting bolt, 6-2, pressure chain block, 6-3, idler group assembly, 6-4, motor reducer, 6-5, motor reducer bottom plate, 6-6, motor reducer bracket, 6-7, outer spherical ball bearing II, 6-8, driven sprocket, 6-9, support Sprocket, 6-10, drag chain wheel shaft, 6-11, driving sprocket, 6-12, roller, 6-13, bearing seat, 6-14, bearing, 6-15, conveying chain, 7, upper air grid total Cheng, 7-1, screw plug, 7-2, corner plate, 7-3, front connecting plate of air grille, 7-4, rear connecting plate of air grille, 7-5, air inlet, 7-6, rear end plate , 7-7, lower air nozzle, 7-10, bellows, 7-11, middle plate, 7-12, front plate, 9, stroke switch collision frame, 10, limit plate, 11, lower air grille support stud, 12 , Anchor shaft, 13, Anchor plate, 14, Lifting hanging plate of lower air grid.

Detailed ways

The utility model is described in further detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in the figure, a cooling device for bending glass tempering production includes a frame assembly 1, a glass conveying device assembly 6 arranged on the frame assembly 1, and an air grid assembly for cooling the glass. The air grid assembly includes an upper air grid assembly 7 and a lower air grid assembly 4, the glass conveying device assembly 6 is provided with a plurality of rollers for carrying and conveying glass, and the upper air grid assembly 7 and The lower air grille assembly 4 is respectively arranged on the upper side and the lower side of the roller table composed of the plurality of sticks, and the frame assembly 1 is also provided with a lifting mechanism for height adjustment of the upper air grille assembly 7 2.

The lifting mechanism includes a reducer 2-11 driven by a motor located at the bottom of the frame assembly 1. As shown in the figure, the reducer 2-11 is arranged on the frame assembly through the reducer base 2-10. bottom of. The reducer 2-11 is provided with double output shafts, and the two ends of the double output shafts are respectively connected to the reducer output drive shaft I2-9 and the reducer output drive shaft II2-12, and the reducer output drive shaft Shaft I2-9 and reducer output drive shaft II2-12 transmit power to the corresponding first transmission perpendicular to the double output shaft of reducer 2-11 through a driving bevel gear 2-7 at the other end respectively. The shaft 2-2, specifically, the driving bevel gear 2-7 transmits power to the first transmission shaft 2-2 by meshing with the passive bevel gear 2-8 provided on the first transmission shaft 2-2.

The first transmission shaft 2-2 transmits power to the corresponding second transmission shaft 2-6 through the shaft coupling 2-3, and the first transmission shaft 2-2 and the second transmission shaft 2-6 both By being located at the hoisting mechanism driving sprocket 2-1 at its other end respectively, being located at the corresponding hoisting mechanism driven sprocket 2-15 above the frame assembly 1 and the ring-shaped hoisting gear that is wound around the two sprockets. The chain 2-20 drives the upper wind grille assembly connected with the lifting chain 2-20 to lift.

The downwind grille assembly 7 is also provided with a downwind grille assembly 4 for connecting the downwind grille assembly 4, so that the downwind grille assembly 4 can be connected when needed, and the downwind grille assembly 4 can be adjusted up and down. .

The driven sprocket 2-15 of the lifting mechanism is fixed on the frame assembly 1 through an upper support 2-16, and the upper support 2-16 is provided with a vertical guide sleeve I. The frame assembly 1 is provided with a lower support 2-18 below the position corresponding to the upper support 2-16, the lower support 2-18 is provided with a guide sleeve II, and the upper air grille assembly 7 Correspondingly, there is a guide column on the top, and the guide column moves under the guidance of the corresponding guide sleeve I and guide sleeve II, and the guide column is between the upper support 2-16 and the lower support 2-18. The part between is fixedly connected with corresponding lifting chain 2-20 by a lifting ring 2-17.

One side of the lifting ring 2-17 is provided with a travel switch bumper 9, which cooperates with a travel switch located at a corresponding position on the frame assembly to limit the lift limit position of the upper wind grille assembly 7.

The lifting mechanism described in this embodiment pairs the upper wind grille assembly 7 through four lifting mechanism driving sprockets 2-1 and corresponding four lifting mechanism driven sprockets 2-15 and corresponding four ring-shaped lifting chains 2-20. Lift and lower.

There is also a bushing 2-23 between the guide sleeve I and the guide post, and an annular oil groove is arranged on the inner circumference of the bush 2-23. On the guide sleeve I An oil port for injecting lubricating oil into the oil tank is provided at a position corresponding to the oil tank, and an oil cup is arranged on the oil port.

Two ends of the guide sleeve I are respectively provided with a dust-proof viscous ring 2-22 and a dust-proof gland 2-21.

The same structure as that of the guide cylinder I can be adopted between the guide sleeve II and the corresponding guide column, which will not be repeated here.

In this embodiment, the overall cross-section of the upper wind grille assembly is in the shape of a right-angled trapezoid, and the plane where the straight waist of the right-angled trapezoid is located is set horizontally downwards, so the guide column used in conjunction with the four driven sprockets 2-15 of the lifting mechanism The lengths are different. The two guide pillars located at the long bottom side of the trapezoid are longer and can be formed by connecting two sections respectively. As shown in the figure, they are the lifting guide pillars 2-14 and the guide pillar joint arms 2-13 respectively. The lengths of the two guide posts on the short base of the right-angled trapezoid are the same, and for the convenience of making, the lifting guide posts 2-14 in the long guide post can be made to be identical in length with the two guide posts on the short base of the right-angled trapezoid.

In order to adjust the length or tightness of the lifting chain 2-20, the lifting chain 2-20 is provided with a screw adjusting pair 2-29, and the screw adjusting pair 2-29 includes a long nut and two ends of the long nut respectively Two threaded studs with holes, the screw threads at both ends of the long nut have opposite directions, and the two studs with holes are respectively connected to the lifting chain 2-20 through the holes provided thereon.

The glass conveying device assembly 6 includes a motor reducer 6-4 arranged at the bottom of the frame assembly 1, a drive sprocket 6-11 arranged on the output shaft of the motor reducer 6-4, and horizontally parallel intervals arranged at A plurality of rollers 6-12 on the upper part of the frame assembly 1, a plurality of driven sprockets 6-8 arranged at the ends of the plurality of rollers, and a plurality of driven sprockets 6-11 and a plurality of driven sprockets 6 arranged in sequence The circular conveyor chain 6-15 on the -8; an idler wheel for guiding the conveyor chain 6-15 is respectively provided on both sides above the drive sprocket 6-8 on the frame assembly 1, and the Both idlers are sprockets, which together constitute idler assembly 6-3.

Among the plurality of rollers, the two rollers located at the end are respectively set on the frame assembly 1 through the outer spherical ball bearing II with seat, and the rest of the rollers pass through the corresponding bearing 6-14 and the bearing seat 6- 13 is arranged on the frame assembly 1.

The motor reducer 6-4 is fixedly arranged on the bottom of the frame assembly 1 through the motor reducer bottom plate 6-5 and the motor reducer bracket 6-6 fixedly connected with the motor reducer bottom plate 6-5.

On the frame assembly 1 at the end of the conveyor chain 6-15 away from the driving sprocket 6-11, two tensioning sprockets I 6-1-1 are provided at a position consistent with the height of the two idler wheels. There is a tensioning sprocket II 6-1-2 under the two tensioning sprockets Ⅰ 6-1-1, and the tensioning sprocket Ⅱ 6-1-2 is connected to the machine via an adjusting bolt 6-1-3. Rack assembly 1.

The two tensioning sprocket I, tensioning sprocket II and adjusting bolt constitute the tensioning mechanism assembly 6-1 together.

The tightness of the conveying chain 6-15 can be finally adjusted by adjusting the tightness of the adjusting bolt, thereby ensuring the tension of the conveying chain 6-15.

Below the conveying chain 6-15, a plurality of drag chain wheels 6-9 are arranged to prevent the conveying chain 6-15 from sagging, and the drag chain wheels 6-9 are arranged on the drag chain wheel shaft 6-10 On the frame assembly 1, above the conveying chain 6-15, there is a chain pressing block 6-2 for preventing the conveying chain 6-15 from being suspended, and the chain pressing block 6-2 is also arranged on the frame at the corresponding position Assembly 1 on.

The upper air grille assembly 7 is mainly formed by connecting a front end plate 7-12, a rear end plate 7-6 and a plurality of bellows 7-10 arranged between the front end plate 7-12 and the rear end plate 7-6, The lower end of the bellows 7-10 is provided with a lower air nozzle 7-7, and a plurality of air inlets 7-5 are arranged on the front plate 7-12. -12 to the rear end plate 7-6 are in the shape of a right-angle trapezoid, and the plane where the right-angle waist is located faces the rollers in the glass conveying device assembly 6 .

An intermediate plate 7-11 for reinforcement is also provided above the plurality of bellows 7-10.

The front end plate 7-12 and the rear end plate 7-6 can be composed of a whole plate or a plurality of plates according to the size of the upper air grille assembly.

In this embodiment, the front end plate 7-12 is formed by connecting two plates through the front connecting plate 7-3 of the air grille, and the rear end plate 7-6 is also formed by connecting two plates through the rear connecting plate 7-4 of the air grille.

A gusset 7-2 is provided on the upper part of the bellows 5 close to the end of the front end plate 7-12. The gusset 7-2 can not only be used to reinforce the entire upper wind grille assembly 7, but also facilitate the connection of the upper wind grille assembly 7 and the guide. connection between columns. A small hole for cleaning the inside of the lower air nozzle 7-7 is provided at the end of the lower air nozzle 7-7, and a screw plug 7-1 is provided at the small hole.

The front and rear described in this paper are respectively: the long base of the right-angled trapezoid of the upwind assembly is the front, and the short base is the rear. The context described herein corresponds to the context of the drawings themselves.

The structure of the lower air grille assembly is similar to that of the upper air grille assembly, and will not be described in detail. The lower air grille 4 assembly is fixedly connected to the lower air grille support stud 11 through the limiting plate 10, and the lower air grille support stud 11 is supported in the sleeve provided on the frame assembly 1 through nuts.

Four corners of the frame assembly 1 are respectively provided with an anchor shaft 12 , and the four anchor shafts 12 are respectively connected with an anchor plate 13 . Through the base plate 13, the whole device can be stably placed in the position where it needs to be placed.

In order to prevent sudden power failure of the system or failure of the glass conveying device assembly 6, a roller table crank is provided at the end of one of the rollers, which is used to transfer the hot glass that has just entered the roller table of the device when the power is accidentally cut off. Rotate and transport out as soon as possible to prevent the hot glass from sticking to the roller table of the furnace body, causing the roller table to be scrapped.

A protective cover 3 for covering related components is provided at the output end of the motor reducer 6-4.

By adopting the utility model, the tempered bent glass can be separated from the glass tempering furnace for independent cooling, which not only can ensure the production quality of the bent glass, but also can extend the air grid assembly and the conveying roller table (ie The length of the conveying channel formed by multiple rollers), so that multiple pieces of bent glass can be cooled at one time, which greatly improves the work efficiency. Finally, the efficiency of curved glass tempering production is improved.

Parts not described in detail herein are prior art.

Claims (9)

1. a curved glass tempering production refrigerating unit, it is characterized in that: comprise support assembly (1), be arranged on the glass conveyer device assembly (6) on support assembly (1) and the air grid assembly for cooling glass, described air grid assembly comprises air grid assembly (7) and lower air grid assembly (4), described glass conveyer device assembly (6) is provided with for carrying and carrying a plurality of rollers of glass, described upper air grid assembly (7) and lower air grid assembly (4) are separately positioned on the upper side and lower side of the described molecular roller-way of a plurality of rods, described support assembly (1) is also provided with the hoisting appliance (2) for carrying out height control to upper air grid assembly (7).

2. one according to claim 1 curved glass tempering production refrigerating unit, it is characterized in that: described hoisting appliance (2) comprise one be located at support assembly (1) bottom by a motor-driven step-down gear (2-11), described step-down gear (2-11) is provided with double output shaft, step-down gear take-off (propeller) shaft I (2-9) and step-down gear take-off (propeller) shaft II (2-12) is connected respectively in two ends of double output shaft, described step-down gear take-off (propeller) shaft I (2-9) and step-down gear take-off (propeller) shaft II (2-12) respectively by the drive bevel gear being located at its other end by transmission of power to corresponding first transmission shaft (2-2) perpendicular with the double output shaft of step-down gear (2-11), transmission of power is given corresponding second driving shaft (2-6) by shaft coupling (2-3) by described the first transmission shaft (2-2), described the first transmission shaft (2-2) and second driving shaft (2-6) are all by being located at the hoisting appliance drive sprocket (2-1) of the respective the other end, being located at the corresponding hoisting appliance driven sprocket (2-15) in support assembly (1) top drives the upper air grid assembly (7) be connected with elevating chain (2-20) to be elevated with the elevating chain (2-20) of the annular of winding on described two sprocket wheels.

3. one according to claim 2 curved glass tempering production refrigerating unit, is characterized in that: delete the leeward be provided with for connecting lower air grid assembly on assembly (7) in described windward and delete lifting plate (14).

4. one according to claim 2 curved glass tempering production refrigerating unit, it is characterized in that: described hoisting appliance driven sprocket (2-15) is fixed on support assembly (1) by a upper bracket (2-16), described upper bracket (2-16) is provided with a vertical pilot sleeve I, undersetting (2-18) is provided with below support assembly (1) is gone up and upper bracket (2-16) position is corresponding, described undersetting (2-18) is provided with pilot sleeve II, described upper air grid assembly (7) is above corresponding is provided with guidepost, described guidepost moves downward at corresponding pilot sleeve I and leading of pilot sleeve II, the part of described guidepost between upper bracket (2-16) and undersetting (2-18) is fixedly connected with corresponding elevating chain (2-20) by a drop handle (2-17).

5. one according to claim 4 curved glass tempering production refrigerating unit, it is characterized in that: between described pilot sleeve I and described guidepost, be also provided with lining (2-23), the inner periphery of described lining (2-23) is provided with the oil groove of annular, on pilot sleeve I, the position of corresponding oil groove is provided with the hydraulic fluid port for injecting lubricating oil to oil groove, and hydraulic fluid port is provided with lubricating cup (2-24).

6. one according to claim 4 curved glass tempering production refrigerating unit, it is characterized in that: described elevating chain (2-20) is provided with adjustable diameter and screw adjusting pair (2-29), two studs with holes that described adjustable diameter and screw adjusting pair (2-29) comprises a long nut and is threaded respectively with long nut two ends, the thread rotary orientation at described long nut two ends is contrary, and two described studs with holes are connected with elevating chain (2-20) respectively by the hole of establishing thereon.

7. one according to claim 1 curved glass tempering production refrigerating unit, it is characterized in that: described glass conveyer device assembly (6) comprises the motor reducer (6-4) being arranged on support assembly (1) bottom, be arranged on the drive sprocket (6-11) on motor reducer (6-4) output shaft, horizontal parallel is disposed on a plurality of rollers on support assembly (1) top, be arranged on a plurality of roll end a plurality of driven sprockets (6-8) and in turn winding at drive sprocket (6-11), the chain (6-15) of the annular on a plurality of driven sprocket (6-8), an idle pulley for leading to chain (6-15) is respectively equipped with in the both sides, top of the upper drive sprocket (6-8) of support assembly (1), chain (6-15) is away from the support assembly (1) of one end of drive sprocket (6-11), two tightener sprockets I (6-1-1) are provided with described two positions that idle pulley height is consistent, be provided with tightener sprocket II (6-1-2) in the below of two tightener sprockets I (6-1-1), described tightener sprocket II (6-1-2) is arranged on support assembly (1) by adjustment bolt (6-1-3).

8. one according to claim 1 curved glass tempering production refrigerating unit, it is characterized in that: described upper air grid assembly (7) is primarily of front end-plate (7-12), back head (7-6) and a plurality of bellows (7-10) be arranged between front end-plate (7-12) and back head (7-6) are formed by connecting, lower tuyere (7-7) is provided with in the lower end of described bellows (7-10), described front end-plate (7-12) is provided with multiple blast inlet (7-5), the side of described bellows (7-10) is rectangular trapezoidal shape from front end-plate (7-12) to back head (7-6), the straight waist place plane of right-angled trapezium is towards the roller in glass conveyer device assembly.

9. one according to claim 8 curved glass tempering production refrigerating unit, is characterized in that: be also provided with the intermediate plate (7-11) for playing reinforcement effect in the top of described a plurality of bellows (7-10).