CN107329294B

CN107329294B - Bubble removing device

Info

Publication number: CN107329294B
Application number: CN201710735321.XA
Authority: CN
Inventors: 蔡丰豪
Original assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date: 2017-08-24
Filing date: 2017-08-24
Publication date: 2020-05-19
Anticipated expiration: 2037-08-24
Also published as: CN107329294A

Abstract

The invention provides a bubble removing device which comprises a first rotating shaft, a connecting shaft, a second rotating shaft, a bearing plate arranged on the second rotating shaft, a vacuum tube and a heating plate, wherein the vacuum tube and the heating plate are arranged on the bearing plate, the connecting shaft is connected between the first rotating shaft and the second rotating shaft, the bearing plate is provided with a vacuum channel communicated with the vacuum tube, the heating plate is provided with a plurality of through holes communicated with the vacuum channel, the vacuum tube is used for adsorbing a workpiece on the surface of the heating plate after being connected with a vacuum pump, the first rotating shaft is parallel to the heating plate, and the bearing plate is driven to rotate horizontally by the first rotating. The defoaming device provided by the invention can adsorb the workpiece on the surface of the heating plate after the vacuum tube is connected with the vacuum pump, the workpiece is heated by the heating plate, the bearing plate can be driven to horizontally rotate by the rotation of the first rotating shaft, so that the workpiece generates a centrifugal force, and the workpiece is pressurized by the centrifugal force, thereby realizing high-temperature and high-pressure defoaming.

Description

Bubble removing device

Technical Field

The invention relates to the technical field of liquid crystal display processing, in particular to a bubble removing device.

Background

In the processing and production of electronic industry, bubbles are generated at the joint of a plurality of products after being jointed, so that jointing and bubble removing processes after jointing are generally needed. The attached degassing and brewing process is commonly used in electronic processes such as semiconductors, displays, touch screens and the like, and after the products are attached in a solid or liquid state, in order to overcome bubbles generated after attachment, the attached products need to be subjected to degassing treatment. At present, the more common method for removing bubbles after bonding is to place the bonded product into a bubble removing machine, and the bubble removing machine removes bubbles of the bonded product in a high-temperature and high-pressure environment by heating and introducing gas to increase the pressure of a cavity. The method has low product switching efficiency because the processes of boosting and reducing the voltage are needed when the products are put in and put out every time.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the bubble removing device which can remove bubbles without boosting and depressurizing, and has simple structure and higher efficiency.

The specific technical scheme provided by the invention is as follows: the utility model provides a bubble removing device, bubble removing device includes first pivot, connecting axle, second pivot, locates the epaxial loading board of second pivot, locate vacuum tube and hot plate on the loading board, the connecting axle connect in first pivot with between the second pivot, be equipped with on the loading board with the vacuum channel of vacuum tube intercommunication, be equipped with on the hot plate with a plurality of through-holes of vacuum channel intercommunication, the vacuum tube be used for with vacuum pump connection after adsorb the work piece in the surface of hot plate, first pivot with the hot plate is parallel, first pivot drives when rotating the loading board horizontal rotation.

Furthermore, the bearing plate is provided with an accommodating hole for accommodating the heating plate, and the accommodating hole is communicated with the vacuum pipeline.

Further, the surface of the heating plate is flush with the surface of the carrier plate.

Furthermore, the number of the connecting shafts is two, one end of the second rotating shaft is connected with one of the two connecting shafts, and the other end of the second rotating shaft penetrates through the bearing plate and is connected with the other of the two connecting shafts.

Further, still including locating the last back shaft of first pivot, the back shaft with first pivot is perpendicular, the back shaft with the second pivot is parallel, two the connecting axle respectively with the both ends of back shaft are connected.

Further, the two connecting shafts are perpendicular to the supporting shaft and the first rotating shaft respectively.

Further, the motor also comprises a first motor connected with the first rotating shaft.

Furthermore, the device also comprises a second motor connected with the second rotating shaft, and the rotating direction of the second motor is vertical to that of the first motor.

The bubble removing device provided by the invention comprises a first rotating shaft, a second rotating shaft, a bearing plate arranged on the second rotating shaft, a vacuum tube and a heating plate, wherein a workpiece can be adsorbed on the surface of the heating plate after the vacuum tube is connected with a vacuum pump, the workpiece is heated by the heating plate, the bearing plate can be driven to horizontally rotate by the rotation of the first rotating shaft, so that the workpiece generates a centrifugal force, the workpiece is pressurized by the centrifugal force, the high-temperature and high-pressure bubble removing is realized, and the bubble removing efficiency is improved.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.

FIG. 1 is a schematic structural view of a bubble removing device according to embodiment 1;

FIG. 2 is an exploded view of the carrier plate, heating plate and workpiece of example 1;

FIG. 3 is a schematic structural view of a bubble removing device according to embodiment 2;

FIG. 4 is an exploded view of the carrier plate, heating plate and workpiece of example 2;

FIG. 5 is a sectional view of a susceptor, a heating plate and a workpiece according to example 2.

Detailed Description

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided to explain the principles of the invention and its practical application to thereby enable others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated. In the drawings, like reference numerals will be used to refer to like elements throughout.

Example 1

Referring to fig. 1 and 2, the bubble removing device in this embodiment includes a first rotating shaft 1, a connecting shaft 2, a second rotating shaft 3, a bearing plate 4 disposed on the second rotating shaft 3, a vacuum tube 5 and a heating plate 6 disposed on the bearing plate 4, the connecting shaft 2 is connected between the first rotating shaft 1 and the second rotating shaft 3, a vacuum channel 41 communicated with the vacuum tube 5 is disposed on the bearing plate 4, a plurality of through holes 61 communicated with the vacuum channel 41 are disposed on the heating plate 6, the vacuum tube 5 is used for adsorbing a workpiece 7 on the surface of the heating plate 6 after being connected with a vacuum pump (not shown), wherein the first rotating shaft 1 is parallel to the heating plate 6, and the first rotating shaft 1 drives the bearing plate 4 to rotate horizontally when rotating.

The bearing plate 4 is a hollow cavity structure, a plurality of air holes are formed in one surface of the bearing plate 4, which is in contact with the heating plate 6, the air holes and the hollow cavity form a vacuum channel 41, and through holes 61 which correspond to the air holes one to one are formed in the heating plate 6. In the actual operation process, the workpiece 7 is attached to the surface of the heating plate 6, the vacuum pump is started, and the workpiece 7 can be adsorbed on the surface of the heating plate 6 through the vacuum tube 5, the vacuum channel 41 and the through hole 61.

In this embodiment, the number of the connecting shafts 2 is two, one end of the second rotating shaft 3 is connected with one of the two connecting shafts 2, and the other end thereof penetrates through the bearing plate 4 and is connected with the other of the two connecting shafts 2. The second rotating shaft 3 is parallel to the first rotating shaft 1, and the two connecting shafts 2 are respectively perpendicular to the first rotating shaft 1 and the second rotating shaft 3, i.e. the first rotating shaft 1, the second rotating shaft 3 and the two connecting shafts 2 form a rectangular frame-shaped structure.

The bubble removing device further comprises a first motor 8 connected with the first rotating shaft 1, the first motor 8 drives the first rotating shaft 1 to rotate, and the first rotating shaft 1 drives the bearing plate 4 to horizontally rotate in the rotating process. During the horizontal rotation of the carrier plate 4, a centrifugal force F is generated perpendicular to the surface of the workpiece 7, which has the following magnitude:

where M denotes the mass of the workpiece 7, V denotes the rotational speed of the first motor 8, and r denotes the distance between the workpiece 7 and the first rotary shaft 1, i.e. the length of the connecting shaft 2.

During the horizontal rotation of the carrier plate 4, the carrier plate 4 also generates a supporting force which is perpendicular to the workpiece 7 and is directed towards the first rotating shaft 1, the direction of the supporting force is opposite to the direction of the centrifugal force F, the surface pressure of the workpiece 7 is obtained through the combined action of the supporting force and the centrifugal force F, and therefore, in the actual operation process, the surface pressure with the preset magnitude can be obtained through adjusting the rotating speed of the first motor 8.

The bubble removing device that this embodiment provided heats the work piece through hot plate 6, and the rotation through first pivot 1 drives the horizontal rotation of loading board 4 and pressurizes work piece 7 to realize that high temperature high pressure removes the bubble, promoted and removed bubble efficiency.

Example 2

This embodiment is an embodiment modified from embodiment 1, and the difference between this embodiment and embodiment 1 is described in detail below.

Referring to fig. 3, 4 and 5, the supporting plate 4 of the present embodiment further includes a receiving hole 42 for receiving the heating plate 6, and the receiving hole 42 is in communication with the vacuum tube 5. When the heating plate 6 is received in the receiving hole 42, the surface of the heating plate 6 is flush with the surface of the carrier plate 4. At this time, the heating plate 6 encloses the carrier plate 4 to form a vacuum passage 41. The volume of the entire apparatus can be reduced by fitting the heating plate 6 into the receiving hole 42.

The defoaming device in this embodiment further includes a supporting shaft 9 disposed on the first rotating shaft 1, the supporting shaft 9 is perpendicular to the first rotating shaft 1, the supporting shaft 9 is parallel to the second rotating shaft 3, i.e., the second rotating shaft 3 is perpendicular to the first rotating shaft 1 in this embodiment, the two connecting shafts 2 are respectively connected to two ends of the supporting shaft 9, and the two connecting shafts 2 are respectively perpendicular to the supporting shaft 9 and the second rotating shaft 3, i.e., the supporting shaft 9, the second rotating shaft 3, and the two connecting shafts 2 form a rectangular frame-shaped structure. The first motor 8 drives the first rotating shaft 1 to rotate, and the first rotating shaft 1 drives the bearing plate 4 to horizontally rotate in the rotating process.

In order to facilitate the placement of the workpiece 7 on the carrier plate 4, the bubble removing device further comprises a second motor 10 connected to the second rotating shaft 3, and the rotating direction of the second motor 10 is perpendicular to the rotating direction of the first motor 8. In the actual operation process, the initial state of loading board 4 is perpendicular to first pivot 1 and is the horizontality promptly, places work piece 7 on hot plate 6, opens behind the vacuum pump and adsorbs work piece 7 on hot plate 6 through-hole 61, then rotates 90 with loading board 4 through second motor 10 for loading board 4 is parallel with first pivot 1 and is the vertical condition promptly.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. A bubble removing device is characterized by comprising a first rotating shaft, a connecting shaft, a second rotating shaft, a bearing plate arranged on the second rotating shaft, a vacuum tube and a heating plate, wherein the vacuum tube and the heating plate are arranged on the bearing plate; the bearing plate can generate a centrifugal force F vertical to the surface of the workpiece in the horizontal rotating process, the bearing plate can also generate a supporting force which is vertical to the workpiece and is directed to the first rotating shaft, the direction of the supporting force is opposite to that of the centrifugal force F, and the supporting force and the centrifugal force F exert pressure on the workpiece under the combined action of the supporting force and the centrifugal force F to achieve high-temperature and high-pressure bubble removal.

2. The bubble removing device according to claim 1, wherein the carrying plate is provided with a receiving hole for receiving the heating plate, and the receiving hole is communicated with the vacuum pipe.

3. Bubble removal device according to claim 2, characterized in that the surface of the heating plate is flush with the surface of the carrier plate.

4. The bubble removing device according to claim 1, wherein the number of the connecting shafts is two, one end of the second rotating shaft is connected with one of the two connecting shafts, and the other end of the second rotating shaft penetrates through the bearing plate and is connected with the other of the two connecting shafts.

5. The bubble removing device according to claim 4, further comprising a supporting shaft disposed on the first rotating shaft, wherein the supporting shaft is perpendicular to the first rotating shaft, the supporting shaft is parallel to the second rotating shaft, and the two connecting shafts are respectively connected to two ends of the supporting shaft.

6. The bubble removing device according to claim 5, wherein two of the connecting shafts are perpendicular to the supporting shaft and the first rotating shaft, respectively.

7. The bubble removal device of claim 1, further comprising a first motor coupled to the first shaft.

8. The bubble removing device according to claim 7, further comprising a second motor connected to the second rotating shaft, wherein a rotating direction of the second motor is perpendicular to a rotating direction of the first motor.