CN112624625A

CN112624625A - Energy-saving LCD glass purifying and heating device and using method thereof

Info

Publication number: CN112624625A
Application number: CN202011533156.8A
Authority: CN
Inventors: 尹泽轩; 乐伟
Original assignee: Zhuzhou Jingcai Electronics Technology Co ltd
Current assignee: Zhuzhou Jingcai Electronics Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-04-09

Abstract

The invention discloses an energy-saving LCD glass purifying and heating device, which comprises a box body and a conveying device arranged in the box body, wherein the box body comprises a low-temperature area, a middle-temperature area and a high-temperature area which are arranged from bottom to top; a feed inlet and a discharge outlet are oppositely arranged near the bottom of the box body; mounting structures are arranged on a conveying belt of the conveying device at intervals; the conveying device circularly rotates from the bottom of the box body to the top of the box body; the conveying device divides the interior of the box body into an warming area and a cooling area; the inner wall of the side wall of the box body is provided with a temperature interval clapboard, and the outside of the box body is provided with a fan. When the energy-saving LCD glass purifying and heating device is used, the LCD glass is heated without multiple heating and cooling operations, so that the intellectualization of the curing operation of the LCD glass can be realized, and the production efficiency and the product stability are ensured. The cooling effect can be achieved without discharging hot air in the box body, energy is effectively saved, the energy utilization rate is increased, the production cost is reduced, and the cooling effect is more accurate and controllable.

Description

Energy-saving LCD glass purifying and heating device and using method thereof

Technical Field

The invention relates to the technical field of LCD production, in particular to an energy-saving LCD glass purifying and heating device and a using method thereof.

Background

In the production process of LCD glass, PI solidification is an important production process. The existing LCD glass PI curing oven is provided with a plurality of stations for placing LCD glass in parallel, a fan is arranged on the inner wall of the oven to realize heat circulation in the oven, during heating, a batch of LCD glass needing PI curing enters the oven through the oven door, is placed in the oven, then the oven door is closed, the inside of the oven is heated through a resistance wire, the temperature is raised from 20 ℃ to 120 ℃ firstly, the temperature is kept for a certain time, then the temperature is raised to 180 ℃, the temperature is kept for a certain time, and then the temperature is raised to 270 ℃. After PI solidification is finished, the temperature of the oven is required to be lowered in a staged mode, hot air is exhausted out of the oven through the exhaust pipe, when the temperature inside the oven reaches the temperature close to the room temperature, the oven door is opened, and the LCD glass is taken out.

The operation batch oven needs repeated heating and cooling, wastes a large amount of heat energy, greatly wastes production resources, needs repeated heating and cooling for solidification, has a long period and needs manual operation.

After retrieval, effective energy conservation is not found at all, manual operation is not needed, and the heating device is suitable for purifying the LCD glass.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and disclose an energy-saving LCD glass purification heating device, wherein a conveying device is arranged in a box body, mounting structures for fixing LCD glass are arranged on a conveying belt of the conveying device at intervals, and the conveying device circularly rotates from the bottom of the box body to the top of the box body; the device can effectively recycle the space, and the whole LCD glass can be conveyed from the low-temperature area to the high-temperature area through the conveying belt, so that the retention time of the LCD glass in the heating device can be controlled only by controlling the speed of the conveying device, and the device is more accurate; meanwhile, the conveying belt divides the interior of the box body into a heating area and a cooling area, the heating area of the LCD glass is formed on one side of the feeding hole, and the cooling area of the LCD glass is formed on one side of the discharging hole, so that the characteristic of the circulating operation of the conveying device is scientifically utilized, and the whole LCD glass heating process is orderly and controllably carried out; in order to save energy, the heat of the cooling area is transferred to the heating area through the air pipe of the fan, so that not only can the temperature be effectively reduced, but also the redundant heat is effectively utilized, the heat is recycled, the cost is reduced, an assembly line can be formed with an upper process and a lower process, and the labor cost is saved.

The purpose of the invention is realized by the following technical scheme:

the energy-saving LCD glass purifying and heating device comprises a box body and a conveying device arranged in the box body, wherein the box body comprises a low-temperature area, a medium-temperature area and a high-temperature area which are arranged from bottom to top; a feed inlet and a discharge outlet are oppositely arranged near the bottom of the box body;

the conveying belt of the conveying device is provided with mounting structures at intervals and is used for fixing the LCD glass; the conveying device circularly rotates from the bottom of the box body to the top of the box body; the conveying device divides the interior of the box body into an warming area and a cooling area;

the inner wall of the side wall of the box body is provided with a temperature interval clapboard, and the outside of the box body is provided with a fan which is set to perform heat exchange circulation inside the box body.

Further, a plurality of heaters are arranged on the circumferential direction of the box body, and the heaters are arranged in the side wall of the box body. The low-temperature area, the medium-temperature area and the high-temperature area are correspondingly provided with independent heaters, so that the temperature of each area can be effectively controlled.

Furthermore, the conveying device comprises chain wheels which are oppositely arranged up and down and chains which are arranged outside the two chain wheels; the chain wheel is driven by a motor to operate.

Furthermore, the mounting device is of a slot structure and is uniformly arranged on the chain and perpendicular to the chain. The slot structure in the invention is a frame structure which is inserted into the chain and arranged in parallel, and each frame structure can be placed on a piece of LCD glass.

Further, the slot structure comprises frame structures on two sides, and the length of each frame structure is smaller than that of the LCD glass.

Furthermore, the feed inlet and the discharge outlet are respectively provided with an inductive switch which is set to induce the position of the LCD glass and control the action of a motor of the chain wheel.

Furthermore, a first conveying table and a second conveying table are arranged on two sides of a chain wheel at the bottom of the box body, one end of the first conveying table is arranged outside the box body close to the feeding hole, and the other end of the first conveying table is arranged on one side close to the chain wheel; one end of the second conveying table is arranged outside the box body close to the discharge hole, and the other end of the second conveying table is arranged on the other side close to the chain wheel.

Further, a groove structure is arranged between the first conveying table and the second conveying table, and the groove structure provides an operation space for the conveying device.

Furthermore, a high-efficiency filtering device is arranged on one side of the heating area on the inner wall of the box body, so that the effect of purifying air in the box is achieved, and fine dust is prevented from polluting the surface of the LCD glass.

The invention also discloses a using method of the energy-saving LCD glass purifying and heating device, which comprises the following specific steps:

s1, starting a heater to enable a multi-zone temperature zone to be formed in the whole box body;

s2, placing the LCD glass on a first conveying table, conveying the LCD glass to a conveying device from a feeding hole by the first conveying table, sensing the position of the LCD glass by a sensing switch at the feeding hole, when the LCD glass is in contact with the bottom of the mounting structure, starting the sensing switch at the feeding hole, clockwise rotating a chain wheel by a certain angle, and upwards moving a chain to a set position;

s3, conveying the next LCD glass to the feeding hole, and repeating the S1 action to enable the LCD glass to be installed in the installation structure one by one;

s4, the placed LCD glass is driven to flow from a low-temperature area to a high-temperature area through the driving of a conveying device;

s5, the LCD glass is driven by the chain to enter the cooling area until the LCD glass flows to the chain wheel close to the top of the box body, and the fan conveys the heat of the cooling area to the heating area;

s6, the LCD glass is conveyed to the discharge hole close to the bottom until the LCD glass flows to the discharge hole, the sensing switch at the discharge hole senses that the LCD glass stops rotating of the chain wheel, at the moment, the LCD glass is in contact with the second conveying table, and the LCD glass is conveyed to the discharge hole through the second conveying table.

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

according to the energy-saving LCD glass purifying and heating device, the conveying device is arranged in the box body, the conveying belt of the conveying device is provided with the mounting structures for fixing the LCD glass at intervals, and the conveying device rotates from the bottom of the box body to the top of the box body in a circulating manner; the device can effectively recycle the space, and the whole LCD glass can be conveyed from the low-temperature area to the high-temperature area through the conveying belt, so that the retention time of the LCD glass in the heating device can be controlled only by controlling the speed of the conveying device, and the device is more accurate; meanwhile, the conveying belt divides the interior of the box body into a heating area and a cooling area, the heating area of the LCD glass is formed on one side of the feeding hole, and the cooling area of the LCD glass is formed on one side of the discharging hole, so that the characteristic of the circulating operation of the conveying device is scientifically utilized, and the whole LCD glass heating process is orderly and controllably carried out; in order to save energy, the heat of the cooling area is transferred to the heating area through the air pipe of the fan, so that not only can the temperature be effectively reduced, but also the redundant heat is effectively utilized, the heat is recycled, and the cost is reduced.

When the energy-saving LCD glass purifying and heating device is used, the LCD glass is heated without multiple heating and cooling operations, so that the intellectualization of the curing operation of the LCD glass can be realized, and the production efficiency and the product stability are ensured.

When the energy-saving LCD glass purifying and heating device is used, the effect of cooling can be achieved without discharging hot gas in the box body, so that energy is effectively saved, the energy utilization rate is increased, and the production cost is reduced.

The energy-saving LCD glass purifying and heating device solves the technical bottleneck that in the prior art, each batch of LCD glass can be cured only by heating up again, so that the curing production among the LCD glass is not influenced. And the residence time of the glass sheet in the temperature area is controlled by controlling the running speed of the chain, so that the control is more accurate and controllable.

Drawings

Fig. 1 is a schematic structural diagram of the energy-saving LCD glass purification and heating device in embodiment 1.

FIG. 2 is a schematic diagram of the external structure of the energy-saving LCD glass purifying and heating device in embodiment 1.

FIG. 3 is a schematic thermal cycle diagram of the energy-saving LCD glass purification heating apparatus described in example 1.

Fig. 4 is a schematic diagram of a slot structure of the energy-saving LCD glass purifying and heating apparatus in embodiment 1.

The device comprises a box body 1, a box body 2, a conveying device 21, a chain wheel 22, a chain 23, a slot structure 231, a frame structure 232, the bottom of the slot structure 3, a feed inlet 3, a discharge outlet 4, a conveying table I5, a conveying table II 6, a heater 7, an efficient filtering device 8, a temperature partition plate 9, a fan 10, a motor 11 and A-LCD glass.

Detailed Description

The invention is further illustrated by the following specific examples. The following examples are illustrative only and are not to be construed as unduly limiting the invention which may be embodied in many different forms as defined and covered by the summary of the invention. Reagents, compounds and apparatus employed in the present invention are conventional in the art unless otherwise indicated.

Example 1

The energy-saving LCD glass purifying and heating device comprises a box body 1 and a conveying device 2 arranged inside the box body 1, wherein the box body 1 comprises a low-temperature area, a middle-temperature area and a high-temperature area which are arranged from bottom to top; a feed inlet 3 and a discharge outlet 4 are oppositely arranged near the bottom of the box body 1.

Specifically, the conveyer belt of the conveyer 2 is provided with mounting structures at intervals, which are arranged to fix the LCD glass a; the conveying device 2 circularly rotates from the bottom of the box body 1 to the top of the box body 1; the interior of the box body 1 is divided into a heating area and a cooling area, and the conveying device 2 comprises chain wheels 21 which are arranged oppositely up and down and chains 22 which are arranged outside the two chain wheels 21; the sprocket 21 is driven by the motor 11.

In fig. 1, the side close to the inlet 3 is an elevated temperature region, and the side close to the outlet 4 is a cooled temperature region. The mounting device is a slot structure 23 which is uniformly arranged on the chain wheel 22 and is vertical to the chain wheel 22. The slot structure 23 includes a frame structure on both sides, and the length of the frame structure is smaller than that of the LCD glass a.

The slot structures 23 of the present invention are the frame structures 231 and the slot structure bottoms 232 inserted into the sprocket 22 and arranged in parallel, and each frame structure can be placed on a piece of LCD glass a. For the convenience of production, the frame structure is arranged in a hollow mode, and the distance between the frame bodies of the frame structure is slightly larger than the width of the LCD glass A, so that the LCD glass A can be easily placed in the frame structure and cannot slide out of the frame structure. And frame construction sets up for the cavity and makes things convenient for the sprocket to rotate the time, and hollow portion can not touch first conveying platform 5 and second conveying platform 6 of both sides, and first conveying platform 5 and second conveying platform 6 can pass the hollow portion of frame, also carry the basis that slot structure 23 department provided for the LCD glass piece.

A temperature interval clapboard 9 is arranged on the inner wall of the side wall of the box body 1, and the temperature clapboard 9 is arranged between two adjacent temperature areas; there is 10~20 mm's distance between the LCD glass A of the transportation of temperature baffle 9 and passing through temperature degree baffle 9 department, makes the difficult mutual circulation of heat between two adjacent temperature intervals, has guaranteed thermal stability, also can not hinder the operation of the LCD glass A that passes through simultaneously.

Further, a plurality of heaters 7, 3 in the present embodiment, are provided in the circumferential direction of the case 1. The heater 7 is provided in the side wall of the cabinet 1. The low-temperature area, the medium-temperature area and the high-temperature area are correspondingly provided with independent heaters 7, so that the temperature of each area can be effectively controlled. And a fan 10 is provided outside the case 1 and is configured to exchange heat of the cooling region inside the case 1 to the heating region.

In order to make the whole energy-saving LCD glass A purifying and heating device more intelligent, induction switches are respectively arranged at the feed inlet 3 and the discharge outlet 4 and are used for inducing the position of the LCD glass A and controlling the action of a motor 11 of a chain wheel 21.

The bottom of the box body 1 is provided with a conveying table, a first conveying table 5 and a second conveying table 6 are arranged on two sides of a chain wheel 21 at the bottom of the box body 1, one end of the first conveying table 5 is arranged outside the box body 1 close to the feeding hole 3, and the other end of the first conveying table 3 is arranged on one side close to the chain wheel 21; one end of the second conveying table 6 is arranged outside the box body 1 close to the discharge port 4, and the other end of the second conveying table 6 is arranged on the other side close to the chain wheel 21.

The gap between the first conveying table 5 and the second conveying table 6 is of a groove structure, and the groove structure provides a running space for the conveying device 2. That is, the chain wheel 21 is arranged between the conveying tables to provide a space for the operation of the chain wheel 21, the two ends of the first conveying table 5 and the second conveying table 6 are arranged at the chain wheel 21, the mounting device on the chain wheel 22 is of a hollow structure, the conveying tables can be arranged between the mounting devices, and the LCD glass A can be accurately conveyed into the mounting devices when being transported.

Meanwhile, a high-efficiency filtering device is arranged on one side of the heating area on the inner wall of the box body 1, and the air cleanliness in the box body is kept.

Compared with the LCD glass PI curing oven in the prior art, the energy-saving LCD glass purifying and heating device can save energy by more than 50%.

Example 2

The embodiment is a using method of the energy-saving LCD glass purifying and heating device of embodiment 1, and the method specifically includes the following steps:

s1, starting a heater 7 to enable a multi-zone temperature zone to be formed in the whole box body 1;

s2, placing the LCD glass A on a first conveying table 5, conveying the LCD glass A to the conveying device 2 from the feeding hole 3 by the first conveying table 5, sensing the position of the LCD glass A by a sensing switch at the feeding hole 3, and when the LCD glass A contacts the bottom of the mounting structure, starting the sensing switch at the feeding hole 3 and enabling the chain wheel 21 to move upwards to a set position;

s3, conveying the next LCD glass A to the feeding hole 3, and repeating the S1 action to enable the LCD glass A to be installed in the installation structure one by one;

s4, the LCD glass A which is well placed is driven by the conveying device 2 to flow from the low-temperature area to the high-temperature area;

s5, the LCD glass A is driven by a chain wheel 22 continuously until the flow is transferred to a chain wheel 21 close to the top of the box body 1, the LCD glass A enters a cooling area, and the fan 10 conveys the heat of the cooling area to a heating area;

s6, the LCD glass A rotates to a discharge port 4 close to the bottom until the flow is transferred, the sensing switch at the discharge port 4 senses that the LCD glass A stops rotating of the chain wheel 21, at the moment, the LCD glass A is in contact with the second conveying table 6, and the LCD glass A is transferred to the discharge port 4 through the second conveying table 6.

It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection of the claims of the present invention.

Claims

1. An energy-saving LCD glass purification heating device is characterized by comprising a box body and a conveying device arranged in the box body, wherein the box body comprises a low-temperature area, a middle-temperature area and a high-temperature area which are arranged from bottom to top; a feed inlet and a discharge outlet are oppositely arranged near the bottom of the box body;

2. The energy-saving LCD glass purifying and heating device as claimed in claim 1, wherein a plurality of heaters are arranged on the periphery of the box body, and the heaters are arranged in the side wall of the box body.

3. The energy-saving LCD glass purifying and heating device as claimed in claim 1, wherein the conveying device comprises two sprockets arranged oppositely and a chain arranged outside the two sprockets.

4. The energy-saving LCD glass purifying and heating device of claim 3, wherein the mounting device is a slot structure and is uniformly arranged on the chain and is perpendicular to the chain.

5. The energy-saving LCD glass purifying and heating device according to claim 4, wherein the slot structure comprises a frame structure on both sides, and the length of the frame structure is smaller than that of the LCD glass.

6. The energy-saving LCD glass purifying and heating device of claim 1, wherein the inlet and the outlet are respectively provided with an inductive switch, which is configured to sense the position of the LCD glass and control the motor action of the chain wheel.

7. The energy-saving LCD glass purifying and heating device according to any one of claims 1 to 6, wherein a first conveying table and a second conveying table are arranged on two sides of a chain wheel at the bottom of the box body, one end of the first conveying table is arranged outside the box body close to the feeding hole, and the other end of the first conveying table is arranged on one side close to the chain wheel; one end of the second conveying table is arranged outside the box body close to the discharge hole, and the other end of the second conveying table is arranged on the other side close to the chain wheel.

8. The energy-saving LCD glass purifying and heating apparatus according to claim 7, wherein the gap between the first transfer table and the second transfer table is a groove structure, and the groove structure provides a space for the transportation device to run.

9. The energy-saving LCD glass purifying and heating device as claimed in claim 7, wherein a high-efficiency filtering device is arranged on one side of the box inner wall heating area.

10. The use method of the energy-saving LCD glass purifying and heating device as claimed in any one of claims 1 to 9 is characterized by comprising the following specific steps: