阅读说明：本技术 3d玻璃贴膜装置及其工艺方法 (3D glass film pasting device and process method thereof ) 是由 兰有成 林威廷 张维炜 于 2020-03-25 设计创作，主要内容包括：本发明涉及一种3D玻璃贴膜装置,包括可水平移动的载台,所述载台上方设置有承载治具,所述承载治具上表面具有用以放置玻璃盖板的定位槽,所述承载治具上方设置有预定位压合组件,所述预定位压合组件包括固定板,所述固定板下表面中部设置有硅胶头,所述硅胶头上套设有环形压板,所述固定板与环形压板之间设有弹簧组件,所述硅胶头与承载治具之间设置有热光源装置,用以照射加热膜片使膜片贴合面上的胶水产生黏性,本发明设计合理,结构简单,使用方便,不会因玻璃盖板边缘弯曲度太大而影响贴膜片,产生空隙或是膜片撕裂,适用于弯曲角度大于60°的玻璃盖板的膜片贴合,效率高,降低不良率,具有广阔应用前景。(The invention relates to a 3D glass film pasting device, which comprises a carrying platform capable of moving horizontally, wherein a bearing jig is arranged above the carrying platform, the upper surface of the bearing jig is provided with a positioning groove for placing a glass cover plate, a pre-positioning pressing assembly is arranged above the bearing jig, the pre-positioning pressing assembly comprises a fixed plate, a silica gel head is arranged in the middle of the lower surface of the fixed plate, an annular pressing plate is sleeved on the silica gel head, a spring assembly is arranged between the fixed plate and the annular pressing plate, and a heat light source device is arranged between the silica gel head and the bearing jig and used for irradiating and heating a film to enable glue on a film pasting surface to generate stickiness, the device has the advantages of reasonable design, simple structure and convenient use, cannot influence the film pasting due to too large bending degree of the edge of the glass cover plate to generate gaps or tear the film, and, high efficiency, low reject ratio and wide application prospect.)

1. The utility model provides a 3D glass pad pasting device, its characterized in that, but including horizontal migration's microscope carrier, the microscope carrier top is provided with bears the tool, it has the constant head tank that is used for placing the glass apron to bear the tool upper surface, it is provided with prepositioning pressing components to bear the tool top, prepositioning pressing components includes the fixed plate, fixed plate lower surface middle part is provided with the silica gel head, the overhead cover of silica gel is equipped with annular clamp plate, be equipped with spring assembly between fixed plate and the annular clamp plate, silica gel head and bear and be provided with the heat source device between the tool for shine and heat the glue that the diaphragm made on the diaphragm binding face and produce the stickness.

2. The 3D glass film sticking device according to claim 1, wherein a cylinder is arranged above the pre-positioning assembly, and an output shaft of the cylinder is fixedly connected with a fixing plate.

3. The 3D glass film pasting device according to claim 2, wherein the heat light source device comprises a heat light source and a mask which is fixedly covered on the heat light source, and arc-shaped through holes are formed in the positions of four corners of the mask; the heat light source device is driven by a rotating motor, and the irradiation direction can be adjusted to be upward or downward.

4. The 3D glass film laminating device according to claim 3, wherein a CCD camera is arranged between the pre-positioning pressing assembly and the bearing jig for identifying the film and the glass cover plate and ensuring accurate laminating alignment.

5. The 3D glass film pasting device according to claim 4, wherein the lower surface of the annular pressing plate is higher than the lower surface of the silica gel head, and the lower surfaces of the annular pressing plate and the silica gel head are horizontal planes.

6. The 3D glass film laminating device of claim 5, wherein the spring assembly comprises a spring rod, the upper end of the spring rod is connected with the lower portion of the fixing plate, the lower end of the spring rod is connected with the upper portion of the annular pressing plate, and a spring is sleeved outside the spring rod.

7. The 3D glass film laminating device of claim 6, wherein the 3D glass film laminating device further comprises a workbench, the carrying platform is arranged above the workbench, and a driving device for driving the carrying platform to horizontally move left and right is arranged on the upper side of the workbench.

8. A process for using a 3D glass film according to claim 7, comprising the steps of: (1) placing the glass cover plate into a positioning groove of the bearing jig; (2) the adhesive surface of the diaphragm faces downwards, the back face of the diaphragm faces upwards, and the diaphragm is attached to the silica gel head due to the fact that the silica gel material of the silica gel head has certain viscosity; (3) the CCD camera moves to a position between the diaphragm and the glass cover plate to take a picture, and the glass cover plate and the diaphragm are accurately aligned by finely adjusting the position of the carrying platform; (4) arranging a light source to face upwards, covering a mask on the heat light source, moving the heat light source device to the position below the diaphragm, coating glue on the binding surface of the diaphragm, irradiating and heating to enable the glue to generate viscosity, and preferably controlling the whole heating process within 10 seconds depending on different glue materials; this step can also be carried out in another way: irradiating the glass downwards by the light source, controlling the irradiation time within 10 seconds, and contacting and heating the glue and the glass for adhesion in the subsequent lamination; (5) quickly moving the heat light source away, driving the air cylinder to drive the pre-positioning pressing assembly to press downwards, wherein the interval time is less than 5 seconds, and the heated material is prevented from being cooled; (6) in the pressing process, the silica gel head is firstly contacted with the diaphragm, the silica gel head is continuously pressed into the positioning groove, and when a certain depth is left from the glass cover plate placed in the positioning groove, the lower end face of the annular pressing plate starts to be contacted with the diaphragm on the upper surface of the bearing jig; (7) the pre-positioning pressing assembly is pressed downwards continuously, the spring is stressed to shrink, the lower end face of the annular pressing plate tightly presses the diaphragm on the bearing jig, so that the diaphragm is not wrinkled, meanwhile, the outer edge of the diaphragm is pressed to the inner side of the concave face of the glass cover plate through the silica gel head, the diaphragm can be stretched and deformed to a certain extent in the process, and finally, the silica gel head is pressed downwards until the diaphragm is completely attached to the glass cover plate; (8) resetting the cylinder, taking down the pressed glass cover plate and the pressed membrane integrally, wherein the glass cover plate is provided with a concave surface, filling blocks are placed in the concave surface of the glass cover plate, the glass cover plate with the membrane and the filling blocks are placed in a sealing bag, and the sealing bag is vacuumized and sealed by using a vacuum sealing machine; (9) the sealing bag is placed into a pressurizing and laminating device, the device is started to heat and pressurize, glue on the laminating surface of the membrane is heated and activated to generate viscosity in the process, and the filling block is extruded and expanded to enable pressure to uniformly act on the membrane, so that the membrane and the glass cover plate are more fully laminated (the pressurizing temperature, the pressurizing pressure, the pressurizing time, the activating temperature depending on the glue, the specific material and the tension of the membrane and the shape and the size of the glass cover plate); (10) after the pressurization laminating equipment is finished, opening the sealing bag, taking out the glass cover plate-membrane assembly, and carrying out solid baking; (11) after the fixing and baking are finished, the film exceeding the glass cover plate is cut off by using a blade.

Technical Field

The invention relates to a 3D glass film pasting device and a process method thereof.

Background

At present, in the equipment for producing mobile phones and the like in the industry, the front cover and the rear cover mainly use cover plates made of glass materials. In the cover plate processing process, a film is often adhered to the surface of the glass cover plate. In the past, more glass cover plates are used and are 3D glass cover plates with bent edges, the bending angle is usually smaller than 60 degrees, and the requirement can be met by using a membrane with OCA glue to attach in an internal conventional mode. With the development of cover plate processing technology, at present, glass cover plates with edge bending angles larger than 60 degrees, particularly glass cover plates with four edges bent at 60-90 degrees can be manufactured, if the glass cover plates are attached in a traditional film attaching mode, gaps or diaphragm tearing can be generated due to the fact that the inner sides of arc angles cannot be attached tightly.

Disclosure of Invention

The invention improves the problems, namely the technical problem to be solved by the invention is that when the four edges of the existing glass cover plate are bent by 60-90 degrees, the membrane cannot be completely attached to the surface of the glass cover plate when the membrane is attached to the glass cover plate, and a gap is easily generated or the membrane is easily torn.

The specific embodiment of the invention is as follows: the invention provides a 3D glass film pasting device which comprises a carrying platform capable of moving horizontally, wherein a bearing jig is arranged above the carrying platform, a positioning groove used for placing a glass cover plate is formed in the upper surface of the bearing jig, a pre-positioning pressing assembly is arranged above the bearing jig and comprises a fixing plate, a silica gel head is arranged in the middle of the lower surface of the fixing plate, an annular pressing plate is sleeved on the silica gel head, a spring assembly is arranged between the fixing plate and the annular pressing plate, a heat light source device is arranged between the silica gel head and the bearing jig and used for irradiating and heating a membrane to enable glue on a membrane pasting surface to generate viscosity or irradiating and heating glass to enable the glass to reach enough temperature, and heat is conducted to enable the glue to generate viscosity when the glass is pasted with the membrane.

Furthermore, a cylinder is arranged above the pre-positioning assembly, and an output shaft of the cylinder is fixedly connected with the fixing plate.

Furthermore, the heat light source device comprises a heat light source and a mask which is fixedly covered above the heat light source, and arc-shaped through holes are formed in the positions of four corners of the mask; the heat light source device is driven by a rotating motor, and the irradiation direction can be adjusted to be upward or downward.

Furthermore, a CCD camera is arranged between the pre-positioning pressing assembly and the bearing jig and used for identifying the diaphragm and the glass cover plate and ensuring accurate laminating alignment.

Further, the lower surface of the annular pressing plate is higher than the lower surface of the silica gel head, and the lower surfaces of the annular pressing plate and the silica gel head are horizontal planes.

Furthermore, the spring assembly comprises a spring rod, the upper end of the spring rod is connected with the lower portion of the fixing plate, the lower end of the spring rod is connected with the upper portion of the annular pressing plate, and a spring is sleeved outside the spring rod.

Further, the 3D glass film pasting device further comprises a workbench, the carrying platform is arranged above the workbench, and a driving device used for driving the carrying platform to move horizontally is arranged on the upper side of the workbench.

Further, a 3D glass film pasting process method comprises the following steps: (1) placing the glass cover plate into a positioning groove of the bearing jig; (2) the adhesive surface of the diaphragm faces downwards, the back face of the diaphragm faces upwards, and the diaphragm is attached to the silica gel head due to the fact that the silica gel material of the silica gel head has certain viscosity; (3) the CCD camera moves to a position between the diaphragm and the glass cover plate to take a picture, and the glass cover plate and the diaphragm are accurately aligned by finely adjusting the position of the carrying platform; (4) arranging a light source to face upwards, covering a mask on the heat light source, moving the heat light source device to the position below the diaphragm, coating glue on the binding surface of the diaphragm, irradiating and heating to enable the glue to generate viscosity, and preferably controlling the whole heating process within 10 seconds depending on different glue materials; this step can also be carried out in another way: irradiating the glass downwards by the light source, controlling the irradiation time within 10 seconds, and contacting and heating the glue and the glass for adhesion in the subsequent lamination; (5) quickly moving the heat light source away, driving the air cylinder to drive the pre-positioning pressing assembly to press downwards, wherein the interval time is less than 5 seconds, and the heated material is prevented from being cooled; (6) in the pressing process, the silica gel head is firstly contacted with the diaphragm, the silica gel head is continuously pressed into the positioning groove, and when a certain depth is left from the glass cover plate placed in the positioning groove, the lower end face of the annular pressing plate starts to be contacted with the diaphragm on the upper surface of the bearing jig; (7) the pre-positioning pressing assembly is pressed downwards continuously, the spring is stressed to shrink, the lower end face of the annular pressing plate tightly presses the diaphragm on the bearing jig, so that the diaphragm is not wrinkled, meanwhile, the outer edge of the diaphragm is pressed to the inner side of the concave face of the glass cover plate through the silica gel head, the diaphragm can be stretched and deformed to a certain extent in the process, and finally, the silica gel head is pressed downwards until the diaphragm is completely attached to the glass cover plate; (8) resetting the cylinder, taking down the pressed glass cover plate and the pressed membrane integrally, wherein the glass cover plate is provided with a concave surface, filling blocks are placed in the concave surface of the glass cover plate, the glass cover plate with the membrane and the filling holes are placed in a sealing bag, and the sealing bag is vacuumized and sealed by using a vacuum sealing machine; (9) the sealing bag is placed into a pressurizing and laminating device, the device is started to heat and pressurize, glue on the laminating surface of the membrane is heated and activated to generate viscosity in the process, and the filling block is extruded and expanded to enable pressure to uniformly act on the membrane, so that the membrane and the glass cover plate are more fully laminated (the pressurizing temperature, the pressurizing pressure, the pressurizing time, the activating temperature depending on the glue, the specific material and the tension of the membrane and the shape and the size of the glass cover plate); (10) after the pressurization laminating equipment is finished, opening the sealing bag, taking out the glass cover plate-membrane assembly, and carrying out solid baking; (11) after the fixing and baking are finished, the film exceeding the glass cover plate is cut off by using a blade.

Compared with the prior art, the invention has the following beneficial effects: the invention has reasonable design, improves the problems of gaps or torn membranes caused by the influence of too large curvature of the edges of the glass cover plate, is particularly suitable for laminating the membranes on the glass cover plate with a bending angle of more than 60-90 degrees, has high efficiency, reduces the reject ratio and has wide application prospect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a first schematic view of a pressing structure of the pre-positioning pressing assembly according to the embodiment of the present invention;

FIG. 3 is a second schematic view of a pressing structure of the pre-positioning pressing assembly according to the embodiment of the present invention;

FIG. 4 is a schematic diagram of a mask structure according to an embodiment of the present invention;

FIG. 5 is a process flow diagram of an embodiment of the invention.

In the figure: 10-a carrier table, 20-a bearing jig, 21-a positioning groove, 30-a pre-positioning pressing assembly, 31-a fixing plate, 32-a silica gel head, 33-an annular pressing plate, 40-a spring assembly, 41-a spring rod, 42-a spring, 50-a heat light source device, 51-a heat light source, 52-a mask, 521-an arc-shaped through hole, 53-a rotating motor, 54-a fixing support, 60-an air cylinder, 70-a CCD camera, 80-a workbench, 90-a membrane, 100-a glass cover plate and 200-a driving device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.