CN111397071A - Ventilation system for thermal bonding of large size plexiglass balls - Google Patents

Abstract

The invention discloses a ventilation system for hot bonding of a large-size organic glass sphere, which relates to the field of instruments for hot bonding of the organic glass sphere, and comprises the following components: the annular air pipe is circumferentially provided with a plurality of air holes communicated with the interior of the annular air pipe; one end of the intermediate communicating pipe is communicated with the annular air pipe; the exhaust fan is communicated with one end of the intermediate communicating pipe, which is far away from the annular air pipe; the supporting assembly comprises a plurality of supporting devices and a plurality of locking devices, the supporting devices are evenly arranged along the circumferential direction of the annular air pipe, one end of each supporting device is connected with the annular air pipe, the other end of each supporting device is slidably arranged on the side wall of the workshop, the sliding direction of each supporting device is along the height direction of the workshop, the supporting devices correspond to the locking devices one to one, and one locking device is used for locking one supporting device on the side wall of the workshop. The ventilation system can accurately control the environmental temperature within the range of the requirement of the thermal bonding process of the organic glass spheres.

Description

Ventilation system for thermal bonding of large size plexiglass balls

technical field

The invention relates to the field of apparatus for thermal bonding of organic glass balls, in particular to a ventilation system for thermal bonding of large-sized organic glass balls.

Background technique

Large-size plexiglass spheres are often formed by bulk polymerization by thermally bonding several plexiglass plates in layers along the latitude direction, and the process emits a lot of heat. Since plexiglass is a poor conductor of heat, rapid temperature changes will cause many problems such as self-acceleration and explosion, as well as volume shrinkage and bubbles, which will affect the mechanical strength of the product. In order to dissipate heat, a ventilation system is often used during the thermal bonding of large-sized plexiglass balls. At present, for the production of large-size plexiglass balls by thermal bonding, the ventilation system used in industry is fixed on the upper part of the workshop, cold air is fed from the upper part of the workshop, and hot air is discharged from the lower part of the workshop, and the temperature difference between the upper and lower parts of the tall workshop can reach 4-5 ℃, can not meet the requirements of plexiglass ball thermal bonding process.

Therefore, providing a ventilation system that can precisely control the ambient temperature within the range required by the plexiglass ball thermal bonding process has become an urgent problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a ventilation system for thermal bonding of large-sized plexiglass balls, so that the ambient temperature can be accurately controlled within the range required by the thermal bonding process of plexiglass spheres.

For achieving the above object, the present invention provides the following scheme:

The invention provides a ventilation system for thermal bonding of large-sized plexiglass balls. the annular air duct is in communication; the exhaust fan is in communication with the end of the intermediate communication pipe that is far away from the annular air duct; the support assembly is arranged inside the workshop and includes a plurality of supporting devices and a plurality of locking devices , a plurality of the supporting devices are evenly arranged along the circumferential direction of the annular air duct, one end of each of the supporting devices is connected with the annular air duct to support the annular air duct, and the other side of each supporting device is connected to the annular air duct. One end can be slidably arranged on the side wall of the factory building, and the sliding direction of each of the supporting devices is along the height direction of the factory building, so that the height of the annular air duct can be adjusted. There is a one-to-one correspondence with a plurality of the locking devices, and one of the locking devices is used to lock one of the supporting devices on the side wall of the factory building.

Preferably, the annular air duct is a telescopic structure, so that the diameter of the annular air duct is adjustable, the support device is a telescopic structure, and the extension direction of the support device is along the diameter of the annular air duct to adjust the diameter of the annular duct.

Preferably, the support device is a telescopic cylinder.

Preferably, the annular air pipe is a corrugated pipe.

Preferably, the ventilation system for thermal bonding of large-sized plexiglass balls further includes a plurality of clamps, the clamps are in one-to-one correspondence with a plurality of support devices, and the clamps are arranged on the support device close to the annular air vent. At one end of the pipe, the annular air duct is fastened in the clamp.

Preferably, the ventilation system for thermal bonding of large-sized plexiglass balls further comprises a plurality of sliding assemblies, the plurality of sliding assemblies are in one-to-one correspondence with the support device, and each of the sliding assemblies includes a sliding rail and a T-shaped sliding block, so The T-shaped sliding block is arranged at one end of the support device away from the annular air duct, the sliding rail is arranged in the factory building along the height direction of the factory building, and the sliding rail is provided with a T-shaped sliding groove. The T-shaped sliding block is slidably connected with the T-shaped chute.

Preferably, the locking device includes a mounting plate and a bolt, the mounting plate is disposed at one end of the support device away from the annular air duct, a plurality of threaded through holes are disposed on the mounting plate, and the bolts are connected with The threaded through holes are threadedly connected, and one end of the bolt is abutted against the slide rail to lock the support device.

Preferably, the ventilation system for thermal bonding of large-size plexiglass balls further comprises a reel, the reel is rotatably arranged at the top of the workshop, and the intermediate communication pipe is wound on the reel.

Preferably, the ventilation system for thermal bonding of large-sized plexiglass balls further comprises a plurality of suspending ropes, the plurality of suspending ropes are evenly arranged along the circumferential direction of the annular air duct, and one end of each suspending rope is connected to the top of the workshop. Both the fixed connection and the other end are tied and fixed with the annular air duct.

The present invention has achieved the following technical effects with respect to the prior art:

The ventilation system for thermal bonding of large-sized plexiglass balls provided by the present invention includes: an annular air duct, which is arranged inside the factory building, and is provided with a plurality of air holes in the circumferential direction that communicate with the interior; an intermediate communication pipe, one end of which is connected to the annular air duct. The air duct is communicated; the exhaust fan is communicated with the end of the intermediate communication pipe that is far away from the annular air duct; the support assembly is arranged inside the workshop and includes a plurality of supporting devices and a plurality of locking devices, and the plurality of supporting devices are arranged along the annular The circumferential direction of the air ducts is evenly arranged, one end of each supporting device is connected with the annular air duct to support the annular air duct, and the other end of each supporting device can be slidably arranged on the side wall of the workshop, and the sliding of each supporting device The directions are all along the height direction of the factory building, so that the height of the annular air duct can be adjusted. A plurality of supporting devices correspond to a plurality of locking devices one by one, and one locking device is used to lock one supporting device on the side wall of the factory building.

In the specific use process, the annular air duct of the ventilation system for thermal bonding of large-sized plexiglass balls can move along the height direction of the factory building, so as to realize the supply and exhaust air in different height directions of the factory building, and the existing cold air from the upper part of the factory building can be realized. Compared with the ventilation method in which the hot air is fed in and the hot air is discharged from the lower part of the workshop, the ventilation system for thermal bonding of large-size plexiglass balls can accurately control the ambient temperature within the range required by the plexiglass ball thermal bonding process.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a ventilation system for thermal bonding of large-sized plexiglass balls provided in an embodiment of the present invention;

FIG. 2 is a schematic diagram of an implementation manner of the support device provided in the embodiment of the present invention;

3 is a schematic diagram of another implementation manner of the support device provided in the embodiment of the present invention;

FIG. 4 is a schematic diagram of a locking manner of a locking device provided in an embodiment of the present invention.

Description of reference numerals: 1, annular air duct; 2, factory building; 3, intermediate communication pipe; 4, support device; 5, clamp; 6, support plate; 7, clip slot; 8, T-shaped slider; 9, Slide rail; 10, bolts; 11, mounting plate; 12, drum; 13, hanging rope; 14, plexiglass ball.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The purpose of the present invention is to provide a ventilation system for thermal bonding of large-size plexiglass balls that can precisely control the ambient temperature within the range required by the plexiglass ball thermal bonding process.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1 , this embodiment provides a ventilation system for thermal bonding of large-sized plexiglass balls, including: an annular air duct 1 , an intermediate communication pipe 3 , an exhaust fan and a support assembly; the annular air duct 1 is arranged in the workshop 2 Inside, the annular air duct 1 is circumferentially provided with a plurality of air holes that communicate with its interior; one end of the intermediate communication pipe 3 is communicated with the annular air duct 1; the exhaust fan is communicated with one end of the intermediate communication pipe 3 away from the annular air duct 1; the support The assembly is arranged inside the factory building 2 , and the support assembly includes a plurality of support devices 4 and a plurality of locking devices. The plurality of support devices 4 are evenly arranged along the circumferential direction of the annular air duct 1 , and one end of each support device 4 is connected to the annular air duct 1 . connected to support the annular air duct 1, the other end of each supporting device 4 can be slidably arranged on the side wall of the factory building 2, and the sliding direction of each supporting device 4 is along the height direction of the factory building 2, so that the annular air duct 1. The height is adjustable, and a plurality of supporting devices 4 are in one-to-one correspondence with a plurality of locking devices, and one locking device is used to lock one supporting device 4 on the side wall of the factory building 2 . Specifically, in this embodiment, the numbers of the locking device and the supporting device 4 are both four. The ventilation system for thermal bonding of large-sized plexiglass balls can precisely control the ambient temperature within the range required by the thermal bonding process of the plexiglass spheres 14 .

In the specific use process, the plexiglass balls 14 (35.4m in diameter) are assembled layer by layer on the special installation platform by bulk polymerization, and the whole sphere is divided into 23 layers. After the first layer and the upper layer of spheres are bonded, the horizontal bonding seam and vertical bonding seam inside and outside the sphere are laid with heating tape for heating bonding process. At this time, the annular air duct 1 is moved to the corresponding layer of the layer When the thermal bonding process of this layer is finished, turn off the exhaust fan, reconnect the layer and the lower layer, and repeat the above process cyclically until the super-large plexiglass ball 14 (diameter 35.4m) is completed. The thermal bonding process of bulk polymerization. The annular air duct 1 of the ventilation system for thermal bonding of large-sized plexiglass balls can be moved layer by layer according to the position of the heat source to achieve precise positioning and discharge of high-temperature air, thereby maintaining the ambient temperature at ±1°C.

In this embodiment, the annular air duct 1 is a telescopic structure, so that the diameter of the annular air duct 1 can be adjusted, the support device 4 is a telescopic structure, and the extension direction of the support device 4 is along the radial direction of the annular air duct 1, To adjust the diameter of the annular duct 1. In the specific use process, the diameter of the annular air duct 1 can be adjusted according to the diameter of the cross-section of the sphere, so that the diameter of the annular air duct 1 matches the diameter of the cross-section of the sphere. In this way, the ventilation system for thermal bonding of large-size plexiglass balls can control the ambient temperature more accurately

In this embodiment, the support device 4 is a telescopic cylinder. It should be noted that the support device 4 is not limited to being a telescopic rod, and a device with adjustable length can be selected, such as a telescopic rod.

In this embodiment, the annular air pipe 1 is a corrugated pipe. The bellows is elastic and stretchable, and the diameter of the annular air duct 1 can be adjusted by using the characteristics of the bellows. It should be noted that the diameter adjustment of the ring refers to the synchronous adjustment of the outer diameter of the ring and the inner diameter of the ring.

In this embodiment, as shown in FIG. 2 , in order to facilitate the support of the annular air duct 1 , the ventilation system for thermal bonding of large-sized plexiglass balls further includes a plurality of clamps 5 , a plurality of clamps 5 and a plurality of support devices 4 . One-to-one correspondence, and the clamp 5 is arranged at one end of the support device 4 close to the annular air duct 1 , and the annular air duct 1 is fastened in the clamp 5 . In this embodiment, the number of clamps 5 is specifically four. It should be noted that it is not limited to the provision of the clamp 5, and any structure that can easily support the annular air duct 1 can be used. For example, as shown in FIG. The top groove of the support plate 6 forms a clamping groove 7, and the annular air duct 1 is clamped in the clamping groove 7 to complete the support.

In this embodiment, as shown in FIG. 4 , the ventilation system for thermal bonding of large-sized plexiglass balls further includes a plurality of sliding components, and the plurality of sliding components are in one-to-one correspondence with the support device 4 , and each sliding component includes a sliding rail 9 . and the T-shaped slider 8, the T-shaped slider 8 is arranged at one end of the support device 4 away from the annular air duct 1, the sliding rail 9 is arranged in the factory building 2 along the height direction of the factory building 2, and the sliding rail 9 is provided with a T along its own length direction. Type chute, T-type slider 8 is slidably connected with the T-type chute. In this embodiment, the number of sliding components is specifically four. In the specific use process, the height adjustment of the support device 4 is realized by the cooperation of the T-shaped sliding groove and the T-shaped sliding block 8, and the cross-section of the T-shaped sliding groove perpendicular to its own length direction is T-shaped, and the T-shaped sliding block 8 is along the The section perpendicular to its own length direction is T-shaped, so that the chute and the slider are not easily separated.

In this embodiment, as shown in FIG. 4 , the locking device includes a mounting plate 11 and bolts 10 . The mounting plate 11 is disposed at one end of the support device 4 away from the annular air duct 1 , and the mounting plate 11 is provided with a plurality of threaded through holes. , the bolt 10 is threadedly connected with the threaded through hole, and one end of the bolt 10 is in contact with the slide rail 9 to lock the support device 4 . The number of threaded through holes is subject to availability. In addition, specifically, the opposite end of the slide rail 9 and the mounting plate 11 is abutted against one end of the bolt 10, and the two are pressed against each other to prevent the support device 4 from sliding down, and the bolt 10 is rotated. When one end of the bolt 10 is separated from the slide rail 9 , the height of the support device 4 is adjustable.

In this embodiment, as shown in FIG. 1 , in order to facilitate the storage of the intermediate communication pipe 3 , the ventilation system for thermal bonding of large-sized plexiglass balls further includes a reel 12 , and the reel 12 is rotatably arranged at the top of the workshop 2 . The intermediate communication pipe 3 is wound on the reel 12 . It should be noted that the winding method of the intermediate communication pipe 3 should ensure that the intermediate communication pipe 3 can be ventilated normally.

In this embodiment, as shown in FIG. 1 , the ventilation system for thermal bonding of large-sized plexiglass balls further includes a plurality of suspending ropes 13 . The plurality of suspending ropes 13 are evenly arranged along the circumference of the annular air duct 1 , and One end of the rope 13 is fixedly connected to the top of the factory building 2 , and the other end is tied and fixed to the annular air duct 1 . In this embodiment, the number of the suspending ropes 13 is specifically four. By arranging the hanging rope 13 , the stability of the annular air duct 1 is better, and the hanging rope 13 can help the support device 4 share the weight of the annular air duct 1 .

In this embodiment, as shown in FIG. 1 , the factory building 2 has a cylindrical structure.

In this specification, specific examples are used to illustrate the principles and implementations of the present invention, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; There will be changes in the specific implementation manner and application scope of the idea of the invention. In conclusion, the contents of this specification should not be construed as limiting the present invention.

Claims (9)

1. A ventilation system for hot bonding of large-size organic glass spheres is characterized by comprising:

the annular air pipe is arranged in the plant, and a plurality of air holes communicated with the interior of the annular air pipe are formed in the circumferential direction of the annular air pipe;

one end of the intermediate communicating pipe is communicated with the annular air pipe;

the exhaust fan is communicated with one end of the intermediate communicating pipe, which is far away from the annular air pipe;

the supporting assembly is arranged inside the plant and comprises a plurality of supporting devices and a plurality of locking devices, the supporting devices are arranged along the circumferential direction of the annular air pipe and are evenly arranged, one end of each supporting device is connected with the annular air pipe to support the annular air pipe, the other end of each supporting device can be arranged on the side wall of the plant in a sliding mode, the sliding direction of each supporting device is arranged along the height direction of the plant, the annular air pipe is adjustable in height and multiple, the supporting devices correspond to the locking devices in a one-to-one mode, and one locking device is used for locking one supporting device on the side wall of the plant.

2. The ventilation system for thermal bonding of large-sized plexiglass spheres as claimed in claim 1, wherein the annular air duct has a telescopic structure, so that the diameter of the annular air duct is adjustable, the support device has a telescopic structure, and the telescopic direction of the support device is along the radial direction of the annular air duct, so as to adjust the diameter of the annular air duct.

3. The ventilation system for thermal bonding of large-sized organic glass spheres as claimed in claim 2, wherein the supporting means is a telescopic cylinder.

4. The ventilation system for thermal bonding of large-sized plexiglass spheres as claimed in claim 2, wherein the annular air duct is a bellows.

5. The ventilation system for thermal bonding of large-size organic glass spheres as claimed in claim 1, further comprising a plurality of clamping bands, wherein the clamping bands correspond to the plurality of supporting devices one to one, and the clamping bands are disposed at one ends of the supporting devices close to the annular air duct, and the annular air duct is clamped in the clamping bands.

6. The ventilation system for thermal bonding of large-size organic glass spheres as claimed in claim 1, further comprising a plurality of sliding assemblies, wherein the plurality of sliding assemblies correspond to the supporting device one by one, each sliding assembly comprises a sliding rail and a T-shaped sliding block, the T-shaped sliding block is disposed at one end of the supporting device, which is far away from the annular air duct, the sliding rail is disposed in the plant along the height direction of the plant, the sliding rail is provided with a T-shaped sliding groove, and the T-shaped sliding block is slidably connected with the T-shaped sliding groove.

7. The ventilation system for thermal bonding of large-size organic glass spheres as claimed in claim 6, wherein the locking device comprises a mounting plate and a bolt, the mounting plate is disposed at an end of the support device away from the annular air duct, the mounting plate is provided with a plurality of threaded through holes, the bolt is in threaded connection with the threaded through holes, and one end of the bolt abuts against the slide rail to lock the support device.

8. The ventilation system for thermal bonding of large-size organic glass spheres as claimed in claim 1, further comprising a winding drum rotatably disposed at the top end of the plant, wherein the intermediate communication pipe is wound around the winding drum.

9. The ventilation system for hot bonding of the large-size organic glass spheres as claimed in claim 1, further comprising a plurality of lifting ropes, wherein the plurality of lifting ropes are uniformly arranged along the circumferential direction of the annular air duct, and one end of each lifting rope is fixedly connected with the top end of the plant, and the other end of each lifting rope is fixedly bound with the annular air duct.

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