CN212081565U - Ventilation system for thermal bonding of large size plexiglass balls - Google Patents

Abstract

The utility model discloses a ventilation system for thermal bonding of large-sized plexiglass balls, which relates to the field of equipment for thermal bonding of plexiglass balls. A communication pipe, one end of which is communicated with the annular air duct; an exhaust fan, which communicates with one end of the intermediate communication pipe away from the annular air duct; a support assembly, which includes a plurality of supporting devices and a plurality of locking devices, and the plurality of supporting devices are along the The circumferential direction of the annular air duct is evenly arranged, one end of each supporting device is connected with the annular air duct, the other end of each supporting device can be slidably arranged on the side wall of the factory building, and the sliding direction of each supporting device is along the direction of the factory building. In the height direction, a plurality of supporting devices correspond to a plurality of locking devices one-to-one, and one locking device is used to lock one supporting device on the side wall of the workshop. The ventilation system can precisely control the ambient temperature within the range required by the plexiglass ball thermal bonding process.

Description

Ventilation system for thermal bonding of large size plexiglass balls

technical field

The utility model relates to the field of apparatuses 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.

Utility model content

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

For achieving the above object, the utility model provides the following scheme:

The utility model provides a ventilation system for thermal bonding of large-sized plexiglass balls, comprising: an annular air duct, which is arranged inside a 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 arranged communicated with the annular air duct; an exhaust fan communicated with the end of the intermediate communication pipe away from the annular air duct; a support assembly, which is arranged inside the factory building, 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, and one end of each of the supporting devices is connected to the annular air duct to support the annular air duct. The other 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. The devices are in 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 utility model 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 utility model comprises: 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 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 circumferential direction of the annular air duct is evenly arranged, one end of each supporting device is connected with the annular air duct to support the annular air duct, the other end of each supporting device can be slidably arranged on the side wall of the workshop, and the The sliding direction is along the height direction of the factory building, so that the height of the annular air duct can be adjusted. Multiple support devices correspond to multiple locking devices one by one, and one locking device is used to lock one support 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 of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from 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 utility model;

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;

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 utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The purpose of the utility model is to provide a ventilation system for the thermal bonding of large-sized plexiglass balls which 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 utility model more clearly understood, the present utility model 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. The descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; meanwhile, for those of ordinary skill in the art, According to the idea of the present invention, there will be changes in the specific implementation and application scope. In conclusion, the content of this specification should not be construed as a limitation to the present invention.

Claims (9)

1. a ventilation system for thermal bonding of large-size plexiglass balls, is characterized in that, comprising: An annular air duct, which is arranged inside the workshop, and is provided with a plurality of air holes in the circumferential direction that communicate with the inside thereof; an intermediate communication pipe, one end of which is communicated with the annular air pipe; an exhaust fan, which is communicated with one end of the intermediate communication pipe away from the annular air pipe; A support assembly, which is arranged inside the workshop, includes a plurality of support devices and a plurality of locking devices, the plurality of the support devices are evenly arranged along the circumferential direction of the annular air duct, and one end of each of the support devices is connected with the annular air duct to support the annular air duct, the other end of each supporting device can be slidably arranged on the side wall of the factory building, and the sliding direction of each supporting device is along the The height direction of the workshop can be adjusted so that the height of the annular air duct can be adjusted. A plurality of the support devices correspond to a plurality of the locking devices one by one, and one of the locking devices is used to lock one of the support devices. end on the side wall of the workshop. 2 . The ventilation system for thermal bonding of large-sized plexiglass balls according to claim 1 , wherein the annular air duct is a telescopic structure, so that the diameter of the annular air duct can be adjusted, and the supporting The device is 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 plexiglass balls according to claim 2 , wherein the supporting device is a telescopic cylinder. 4 . 4 . The ventilation system for thermal bonding of large-sized plexiglass balls according to claim 2 , wherein the annular air duct is a corrugated pipe. 5 . 5 . The ventilation system for thermal bonding of large-sized plexiglass balls according to claim 1 , further comprising a plurality of clamps, wherein the clamps are in one-to-one correspondence with a plurality of support devices, and the clamps are 5 . It is arranged at one end of the support device close to the annular air duct, and the annular air duct is fastened in the clamp. 6 . The ventilation system for thermal bonding of large-sized plexiglass balls according to claim 1 , further comprising a plurality of sliding assemblies, the plurality of sliding assemblies are in one-to-one correspondence with the supporting device, and each sliding assembly Both include slide rails and T-shaped sliders, the T-shaped sliders are arranged at one end of the support device away from the annular air duct, and the slide rails are arranged in the factory building along the height direction of the factory building. The slide 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-sized plexiglass balls according to claim 6 , wherein the locking device comprises a mounting plate and a bolt, and the mounting plate is arranged on the supporting device away from the annular shape. 8 . One end of the air duct, the mounting plate is provided with a plurality of threaded through holes, the bolts are threadedly connected with the threaded through holes, and one end of the bolts abuts the slide rail to lock the support device . 8 . The ventilation system for thermal bonding of large-sized plexiglass balls according to claim 1 , further comprising a reel, the reel is rotatably arranged on the top of the workshop, and the intermediate communication pipe is rotatable. 9 . wound on the reel. 9 . The ventilation system for thermal bonding of large-sized plexiglass balls according to claim 1 , further comprising a plurality of suspending ropes, and the plurality of suspending ropes are uniformly arranged along the circumferential direction of the annular air duct, and each One end of the hanging rope is fixedly connected with the top of the workshop, and the other end is tied and fixed with the annular air duct.

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