CN112550816A

CN112550816A - Backlight film pasting equipment

Info

Publication number: CN112550816A
Application number: CN202011516457.XA
Authority: CN
Inventors: 姜光泽
Original assignee: Shenzhen Weihongke Technology Co ltd
Current assignee: Shenzhen Weihongke Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-03-26

Abstract

The application belongs to the backlight source equipment field, especially relates to a pad pasting equipment in a poor light. In the backlight film sticking equipment, the loading position, the working position and the unloading position of the supporting table are distributed along the Y-axis direction, and the transferring and jacking device can synchronously transfer the semi-finished products on the supporting table. The placing positions of the placing frame, the membrane aligning devices and the stations of the supporting table are arranged in a one-to-one correspondence mode and distributed along the X-axis direction. The membrane transfer device transfers the membrane from the placing position to the membrane aligning device for fine positioning, and transfers the membrane after fine positioning to a semi-finished product of a station, so that semi-finished product film pasting is realized. The backlight film pasting equipment transfers the semi-finished products in a linear mode, is suitable for pasting and transferring the semi-finished products with different sizes, and does not need to be provided with a traditional turntable mechanism, so that the volume of the whole machine can be made smaller.

Description

Backlight film pasting equipment

Technical Field

The application belongs to the backlight source equipment field, especially relates to a pad pasting equipment in a poor light.

Background

The backlight film sticking machine is mainly used for assembling the back section of a backlight source product, and specifically sticks films such as a diffusion film, a lower light-adding film, an upper light-adding film, a light-shielding film and the like on a semi-finished product consisting of a frame and a light guide plate. The membrane is rectangular. According to the traditional backlight film sticking machine, a turntable mechanism is adopted to synchronously convey multi-station semi-finished products, each station is provided with an aligning device and a film sticking device to perform aligning and film sticking operations sequentially, and the mode is only suitable for film sticking operations of small-size (below 7 inches) backlight products. For the middle and large size (more than 7 inches) backlight products, the traditional backlight laminator needs to be provided with a turntable mechanism with larger volume, the debugging difficulty is increased, the traditional backlight laminator is difficult to be suitable for manufacturing the middle and large size backlight products, and the whole machine has large volume.

Disclosure of Invention

An object of the embodiment of the application is to provide a pad pasting equipment in a poor light to solve the technical problem that current pad pasting machine in a poor light is difficult to be applicable to the preparation of medium and large size backlight product, the whole is bulky.

The embodiment of the application provides a pad pasting equipment in a poor light, includes:

a rack having a placement location;

the membrane alignment device is used for accurately positioning the membrane;

the synchronous conveying device comprises a transferring jacking device and a supporting table, wherein the supporting table is provided with a feeding position, a station and a discharging position which are sequentially distributed along the Y-axis direction, the station is used for supporting the semi-finished product so that the membrane can be attached to the semi-finished product, and the transferring jacking device is used for synchronously transferring the semi-finished product on the supporting table; the placing positions, the diaphragm aligning devices and the stations are arranged in one-to-one correspondence and are sequentially distributed along the X-axis direction;

and the membrane transferring device is used for transferring the membrane from the placing position to the membrane aligning device corresponding to the placing position and transferring the membrane on the membrane aligning device to a semi-finished product positioned at the station corresponding to the membrane aligning device.

Optionally, the number of the placing positions, the number of the membrane aligning devices and the number of the stations are all set to be one;

or, the number of the placing positions and the number of the membrane aligning devices are equal to the number of the stations and are set to be a plurality of positions, the placing positions are distributed along the Y-axis direction, the membrane aligning devices are distributed along the Y-axis direction, and the stations are distributed along the Y-axis direction.

Optionally, the membrane alignment device includes:

a first drive assembly;

the connecting table is driven by the first driving assembly to move linearly;

the second driving assembly is arranged on the connecting table, the axis of the first driving assembly is parallel to the axis of the second driving assembly, and the output end of the second driving assembly is provided with a guide block;

the movable positioning piece is provided with a supporting surface and two first positioning surfaces which are perpendicular to each other, the movable positioning piece is assembled on the connecting table in a sliding mode, and the sliding direction of the connecting table is perpendicular to the sliding direction of the movable positioning piece; the movable positioning piece is provided with a guide groove, an acute angle is formed between the extending direction of the guide groove and the sliding direction of the movable positioning piece, and the guide block is assembled in the guide groove in a sliding mode so that the second driving assembly drives the movable positioning piece to move linearly;

the fixed positioning part is provided with two second positioning surfaces which are perpendicular to each other, and the two first positioning surfaces and the two second positioning surfaces are arranged in parallel in a one-to-one correspondence mode.

Optionally, the movable positioning element includes a supporting plate and a first L-shaped blocking arm disposed on the supporting plate, the supporting surface is formed on the supporting plate, the first positioning surface is formed on the first L-shaped blocking arm, and the guide groove is disposed on the supporting plate;

and/or the fixed positioning part comprises a supporting leg and a second L-shaped blocking arm connected to the supporting leg, and the second positioning surface is formed on the second L-shaped blocking arm.

Optionally, the transfer jacking device comprises:

the transfer driving mechanism comprises a third driving assembly and a first sliding seat driven by the third driving assembly to move along the Y-axis direction;

the jacking driving mechanism comprises a fourth driving component arranged on the first sliding seat, a second sliding seat which is arranged on the first sliding seat in a sliding mode along the Y-axis direction and driven by the fourth driving component to move along the Y-axis direction, and a plurality of reversing components which are distributed at equal intervals along the Y-axis direction, wherein the number of the reversing components is one more than that of the stations; each reversing assembly comprises a reversing seat fixed on the second sliding seat, a movable frame arranged on the reversing seat in a sliding mode along a preset direction, and a limiting frame arranged on the first sliding seat and used for limiting the movable frame to move along the Z-axis direction, wherein the movable frame forms an acute angle relative to the sliding direction of the reversing seat and the Y-axis direction, and the Y-axis direction is perpendicular to the Z-axis direction;

the adsorption mechanisms are arranged on the movable frame in a one-to-one correspondence mode and are provided with semi-finished product suction nozzles which are arranged upwards;

the supporting table is provided with a strip-shaped gap which extends along the Y-axis direction and is used for the movable frame to pass through, and the movable frame is arranged corresponding to the strip-shaped gap.

Optionally, a linear guide rail mechanism is arranged between the limiting frame and the movable frame, a guide rail of the linear guide rail mechanism extends along the Z-axis direction and is connected with the limiting frame, and a sliding block of the linear guide rail mechanism is connected with the movable frame.

Optionally, the membrane transfer device comprises:

the front and rear driving mechanism comprises a fifth driving assembly and a first support which is driven by the fifth driving assembly to move along the X-axis direction;

the up-and-down driving mechanism comprises a sixth driving component arranged on the first support, a second support which is arranged on the first support in a sliding mode along the X-axis direction and is driven by the sixth driving component to move along the X-axis direction, and one or more direction changing components; each direction-changing assembly comprises a direction-changing seat fixed on the second support, a mounting rack mounted on the direction-changing seat in a sliding mode along a preset direction, and a limiting piece mounted on the first support and used for limiting the mounting rack to move along the Z-axis direction, the mounting rack forms an acute angle with the X-axis direction relative to the sliding direction of the direction-changing seat, and the X-axis direction is perpendicular to the Z-axis direction;

and the adsorption component is arranged on the mounting rack and is provided with a downward membrane suction nozzle.

Optionally, the number of the direction-changing assemblies is multiple, the direction-changing assemblies are arranged at intervals along the Y-axis direction, and the X-axis direction, the Y-axis direction and the Z-axis direction are mutually perpendicular in pairs.

Optionally, the adsorption assemblies on each mounting rack are arranged in pairs, and two adsorption assemblies in each pair of adsorption assemblies are arranged at intervals along the X-axis direction; in the placing positions, the membrane aligning devices and the stations which are arranged in a one-to-one correspondence mode, the membrane aligning devices are located in the middle between the placing positions and the stations.

Optionally, the backlight film sticking equipment further comprises a base, and the placing frame, the film aligning device, the synchronous conveying device and the film transferring device are all arranged on the base.

One or more technical solutions in the backlight film pasting equipment provided by the embodiment of the application have at least one of the following technical effects: in the backlight film sticking equipment, the loading position, the working position and the unloading position of the supporting table are distributed along the Y-axis direction, and the transferring and jacking device can synchronously transfer the semi-finished products on the supporting table. The placing positions of the placing frame, the membrane aligning devices and the stations of the supporting table are arranged in a one-to-one correspondence mode and distributed along the X-axis direction. The membrane transfer device transfers the membrane from the placing position to the membrane aligning device for fine positioning, and transfers the membrane after fine positioning to a semi-finished product of a station, so that semi-finished product film pasting is realized. The backlight film pasting equipment transfers the semi-finished products in a linear mode, is suitable for pasting and transferring the semi-finished products with different sizes, and does not need to be provided with a traditional turntable mechanism, so that the volume of the whole machine can be made smaller.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective assembly view of a backlight film pasting device provided in an embodiment of the present application;

FIG. 2 is an exploded perspective view of the backlight film pasting device of FIG. 1;

fig. 3 is a perspective assembly view of a film sheet aligning device in the backlight film pasting device of fig. 1;

FIG. 4 is another perspective assembly view of the membrane alignment device of FIG. 3;

FIG. 5 is an exploded perspective view of the membrane alignment device of FIG. 3;

FIG. 6 is a schematic structural view of the film aligning device of FIG. 3 when a film is placed thereon;

fig. 7 is a perspective assembly view of a transfer jacking device in the backlight film laminating apparatus of fig. 1;

FIG. 8 is an exploded perspective view of the transfer jack of FIG. 7;

FIG. 9 is another enlarged, fragmentary, angled view of the transfer jack of FIG. 7;

FIG. 10 is a perspective assembly view of a support stage in the backlight film laminating apparatus of FIG. 1;

FIG. 11 is a perspective assembly view of the synchronous conveyor in the backlit film laminating apparatus of FIG. 1;

fig. 12 is a perspective assembly view of a film transfer device in the backlight film sticking apparatus of fig. 1;

FIG. 13 is a perspective assembly view of the film transfer device of FIG. 12 with the suction assembly removed;

FIG. 14 is an exploded perspective view of the film transfer device of FIG. 13;

fig. 15 is a side view of the film transfer device of fig. 12.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the embodiments of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations and positional relationships illustrated in the drawings, which are used for convenience in describing the embodiments of the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the embodiments of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present application, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1 and fig. 2, an embodiment of the present disclosure provides a backlight film pasting apparatus, which includes a placing frame 400, a film alignment device 100, a synchronous conveying device 200, and a film transferring device 300. The rack 400 has a placement site 401. The membrane alignment device 100 is used for fine positioning of the membrane. The synchronous conveying device 200 includes a transfer jacking device and a supporting platform 250, and referring to fig. 10 and 11, the supporting platform 250 has a loading position 253, a working position 251 and a discharging position 254 which are sequentially distributed along the Y-axis direction, the working position 251 is used for supporting the semi-finished product 20 so that the film sheet 10 can be attached to the semi-finished product 20, and the transfer jacking device is used for synchronously transferring the semi-finished product 20 on the supporting platform 250. The placing positions 401, the membrane aligning devices 100 and the stations 251 are arranged in a one-to-one correspondence manner and are sequentially distributed along the X-axis direction. The film transfer device 300 is used for transferring the film 10 from the placing position 401 to the film aligning device 100 corresponding to the placing position 401, and transferring the film 10 on the film aligning device 100 to the semi-finished product 20 at the working position 251 corresponding to the film aligning device 100.

Compared with the prior art, the backlight film sticking equipment has the advantages that the material loading position 253 and the station 251 of the supporting table 250 and the material unloading position 254 are distributed along the Y-axis direction, and the semi-finished product 20 can be synchronously transferred on the supporting table 250 by the aid of the transferring and jacking device. The placing positions 401 of the placing frame 400, the film aligning device 100 and the stations 251 of the supporting table 250 are arranged in a one-to-one correspondence manner and are distributed along the X-axis direction. The membrane transferring device 300 transfers the membrane 10 from the placing position 401 to the membrane aligning device 100 for fine positioning, and transfers the membrane 10 after fine positioning to the semi-finished product 20 of the station 251, so as to realize membrane sticking of the semi-finished product 20. The backlight film pasting equipment transfers the semi-finished products 20 in a linear mode, is suitable for pasting and transferring the semi-finished products 20 with different sizes, does not need to be provided with a traditional turntable mechanism, and enables the volume of the whole machine to be smaller.

In another embodiment of the present application, please refer to fig. 3 to fig. 5, the number of the placing locations 401 and the number of the film alignment devices 100 are equal to and are set to be plural, the placing locations 401 are distributed along the Y-axis direction, the film alignment devices 100 are distributed along the Y-axis direction, and the stations 251 are distributed along the Y-axis direction. This solution is suitable for applying a plurality of film sheets to a semi-finished product. Illustratively, each placement site 401 places a diaphragm; the membrane transferring device 300 transfers the membrane from the placing position 401 to the corresponding membrane aligning device 100 for fine positioning, and then transfers the membrane subjected to fine positioning to the semi-finished product on the corresponding station 251, so as to realize semi-finished product film pasting; placing semi-finished products to be filmed at a feeding position 253 of a supporting platform 250 manually or mechanically, transferring the semi-finished products at different positions on the supporting platform 250 along the Y-axis direction by a transferring and jacking device, transferring the semi-finished products at the feeding position 253 to an adjacent station 251, transferring the semi-finished products at one station 251 to another adjacent station 251, and sequentially transferring the semi-finished products at each station 251; respectively attaching different diaphragms to the semi-finished product at different stations 251 of the support table 250; and finally, transferring the semi-finished product with the adhered membrane to a discharging position 254, and transferring the semi-finished product on the discharging position 254 manually or mechanically, so that the semi-finished product is adhered to a plurality of membrane sheets.

In addition, the number of the placing positions 401, the number of the film positioning devices 100 and the number of the stations 251 are set to be one. This solution is suitable for applying a film to a semi-finished product, and the specific process is similar and will not be described again.

In another embodiment of the present application, referring to fig. 3 to 5, a film alignment apparatus 100 includes: a first driving assembly 110, a connecting stage 120, a second driving assembly 130, a movable positioning member 140 and a fixed positioning member 150. The connecting stage 120 is driven to move linearly by the first driving assembly 110. The second driving assembly 130 is disposed on the connecting table 120, an axis of the first driving assembly 110 is parallel to an axis of the second driving assembly 130, and a guide block 130a is disposed at an output end of the second driving assembly 130. The movable positioning member 140 has a supporting surface 140a and two first positioning surfaces 140c perpendicular to each other, the movable positioning member 140 is slidably mounted on the connecting table 120, and the sliding direction of the connecting table 120 is perpendicular to the sliding direction of the movable positioning member 140; the movable positioning member 140 has a guide groove 140b, an acute angle is formed between the extending direction of the guide groove 140b and the sliding direction of the movable positioning member 140, and the guide block 130a is slidably assembled in the guide groove 140b so that the second driving assembly 130 drives the movable positioning member 140 to move linearly. The fixing positioning member 150 has two second positioning surfaces 150a perpendicular to each other, and the two first positioning surfaces 140c and the two second positioning surfaces 150a are arranged in parallel in a one-to-one correspondence. The sliding direction of the connecting table 120 is perpendicular to the sliding direction of the movable positioning member 140, so that the connecting table 120 can move in two perpendicular directions.

Referring to fig. 3 and 6, when the diaphragm 10 needs to be positioned, the diaphragm 10 is placed on the supporting surface 140a of the movable positioning member 140. The membrane 10 initially placed on the supporting surface 140a of the movable positioning member 140 has a positional deviation within a certain range in two perpendicular directions in the horizontal plane. The first driving assembly 110 and the second driving assembly 130 output a certain displacement to drive the movable positioning element 140 to move in two mutually perpendicular directions for a predetermined displacement, so that the movable positioning element 140 gradually approaches the fixed positioning element 150, and the two first positioning surfaces 140c and the two second positioning surfaces 150a are respectively abutted to four sides of the membrane 10, thereby realizing the precise positioning of the membrane 10. The diaphragm aligning device has fewer parts, simple and compact structure and lower use cost.

The axis of the first driving assembly 110 and the axis of the second driving assembly 130 may extend in the X-axis direction at the same time, or in the Y-axis direction at the same time, and both of these two ways can achieve the fine positioning of the diaphragm. The extending direction of the guide groove 140b is the longitudinal direction of the guide groove 140 b. The connecting table 120 is plate-shaped, and the first driving assembly 110 and the second driving assembly 130 are respectively located at two opposite sides of the connecting table 120. Therefore, the position in the vertical direction is fully utilized, and the whole structure is compact.

In another embodiment of the present application, please refer to fig. 3 to 5, a first linear guide mechanism 161 is disposed between the connecting platform 120 and the base. The first linear guide rail is provided to facilitate the stable and reliable linear sliding of the connecting table 120. Wherein the guide rail 161a may be installed on the base, the slider 161b may be installed on the connection stage 120, and the slider 161b may be slidably fitted on the guide rail 161 a. A second linear guide mechanism 162 is disposed between the connecting platform 120 and the movable positioning member 140. The provision of the second linear guide facilitates stable and reliable linear sliding of the movable positioning member 140.

In another embodiment of the present application, referring to fig. 3 to fig. 5, the film alignment apparatus 100 further includes a first supporting body 1611 disposed on the base and used for supporting the first linear guiding mechanism 161, and a second supporting body 1621 disposed on the connecting platform 120 and used for supporting the second linear guiding mechanism 162. The first support 1611 is configured to elevate the first linear guide 161 to a height that facilitates at least partially accommodating the first driving assembly 110 between the base and the connecting platform 120. The second supporting body 1621 is disposed to at least partially accommodate the second driving assembly 130 between the connecting platform 120 and the movable positioning member 140. This contributes to compactness.

In another embodiment of the present application, referring to fig. 3 to 5, the first driving assembly 110 includes a first motor 111 and a first lead screw and nut mechanism 112 for transmitting the power of the first motor 111 to the connecting stage 120; the second driving assembly 130 includes a second motor 131 and a second lead screw-nut mechanism 132 for transmitting the power of the second motor 131 to the movable positioning member 140. The driving assembly adopts a mode of combining a control motor and a lead screw nut mechanism, is easy to assemble and is convenient to control output displacement so as to adjust the position of the actuating member. Specifically, motor output shaft connects in the one end of lead screw, and lead screw and nut screw thread transmission, the nut is connected with the executive component as drive assembly's output, and the rotation of motor during operation lead screw converts the linear displacement of nut into in order to drive executive component linear movement. The actuating member is referred to herein as the connecting station 120 or the movable positioning member 140. In addition, the first motor 111 is disposed in the same direction and adjacent to the second motor 131, which facilitates the wiring operation of the motors.

In another embodiment of the present application, referring to fig. 5, the movable positioning element 140 includes a supporting plate 141 and a first L-shaped arm 142 disposed on the supporting plate 141, the supporting surface 140a is formed on the supporting plate 141, the first positioning surface 140c is formed on the first L-shaped arm 142, and the guiding groove 140b is disposed on the supporting plate 141. The movable positioning member 140 is easily formed. The supporting plate 141 and the first L-shaped arm 142 may be directly molded or assembled. The fixing positioning member 150 includes a supporting leg 151 and a second L-shaped arm 152 connected to the supporting leg 151, and the second positioning surface 150a is formed on the second L-shaped arm 152. The fixing fixture 150 is easily molded. The support feet 151 may be mounted to the base by fasteners.

In another embodiment of the present application, referring to fig. 3 and 5, the guide block 130a is rotatably mounted at the output end of the second driving assembly 130, so that the guide block 130a can roll relative to the inner wall of the guide groove 140 b. By adopting the scheme, the guide block 130a can move in the guide groove 140b, so that the guide block 130a can drive the movable positioning piece 140 to slide linearly relative to the connecting table 120.

In another embodiment of the present application, referring to fig. 7 to 9, the transfer jacking device includes: a transfer driving mechanism 210, a lift driving mechanism 220, and a plurality of suction mechanisms 230. The transfer driving mechanism 210 includes a third driving unit 211 and a first carriage 212 driven by the third driving unit 211 to move in the Y-axis direction. The jacking driving mechanism 220 includes a fourth driving assembly 221 mounted on the first slide base 212, a second slide base 222 slidably mounted on the first slide base 212 along the Y-axis direction and driven by the fourth driving assembly 221 to move along the Y-axis direction, and a plurality of direction-changing assemblies 223 equidistantly distributed along the Y-axis direction. The number of reversing assemblies 223 is one more than the number of stations 251. Each reversing assembly 223 includes a reversing seat 2231 fixed to the second slide seat 222, a movable frame 2232 slidably mounted on the reversing seat 2231 along a predetermined direction, and a limiting frame 2234 mounted on the first slide seat 212 and configured to limit the movable frame 2232 to move along the Z-axis direction, where an acute angle is formed between the sliding direction of the movable frame 2232 relative to the reversing seat 2231 and the Y-axis direction, and the Y-axis direction is perpendicular to the Z-axis direction. The suction mechanisms 230 are mounted on the respective movable frames 2232 in a one-to-one correspondence, and each suction mechanism 230 has a semi-finished product suction nozzle 231 disposed upward. The support table 250 has a bar-shaped gap 252 extending in the Y-axis direction and through which the movable frame 2232 passes, and the movable frame 2232 is provided corresponding to the bar-shaped gap 252.

The reversing seat 2231 and the movable frame 2232 in the reversing component 223 are matched with the limiting frame 2234, so that the movement of the reversing seat 2231 in the Y-axis direction is converted into the movement of the movable frame 2232 in the Z-axis direction. Referring to fig. 7 and 9, in the reversing assembly 223, the position-limiting frame 2234 and the fourth driving assembly 221 are mounted on the first slide base 212, the second slide base 222 is mounted on the first slide base 212 in a sliding manner along the Y-axis direction, and when the third driving assembly 211 drives the first slide base 212 to move along the Y-axis direction, the first slide base 212 drives the position-limiting frame 2234, the fourth driving assembly 221, and all structures disposed on the second slide base 222 to move along the Y-axis direction. The reversing seat 2231 is fixed on the second slide seat 222, and when the fourth driving assembly 221 drives the second slide seat 222 to move along the Y-axis direction, the second slide seat 222 drives the reversing seat 2231 to move along the Y-axis direction, at this time, the movable frame 2232 slides on the reversing seat 2231 along the predetermined direction, an acute angle is formed between the sliding direction of the movable frame 2232 relative to the reversing seat 2231 and the Y-axis direction, and the limiting frame 2234 limits the movable frame 2232 to move along the Z-axis direction, so that the movable frame 2232 moves along the Z-axis direction.

The third driving unit 211 and the fourth driving unit 221 allow the suction mechanisms 230 provided on the respective movable frames 2232 to move in the Y-axis and Z-axis directions, and further, allow the semi-finished products sucked by the respective suction mechanisms 230 to be transferred in synchronization. Referring to fig. 11, the third driving assembly 211 and the fourth driving assembly 221 are configured to output displacement at a predetermined time interval, so that the adsorption mechanism 230 on the movable frame 2232 moves along a predetermined path, and the adsorption mechanism 230 can adsorb or release the semi-finished product 20. A plurality of stations 251 are disposed above each reversing assembly 223 in the Y-axis direction. For example, first, the adsorption mechanism 230 adsorbs a semi-finished product 20, and moves the adsorption mechanism 230 upward along the Z-axis direction by a predetermined displacement, then moves the adsorption mechanism 230 in the Y-axis direction by a predetermined displacement, and then moves the adsorption mechanism 230 downward along the Z-axis direction by a predetermined displacement, and the adsorption mechanism 230 releases the semi-finished product, which is used for transferring the semi-finished product from one station 251 to another station 251 adjacent thereto; finally, the adsorption mechanism 230 is reversely moved along the Y-axis direction and returned to the previous station 251, thus completing a movement cycle; the same procedure is followed to continuously cycle the suction means 230 between the two stations 251 to effect the transfer of the semifinished product 20 from one station 251 to the next other station 251.

The support table 250 is plate-shaped, and support legs 259 are connected to the support table 250, and the support legs 259 are attached to the base. The support table 250 is disposed above the transfer lift device. The movable frame 2232 may pass through the bar-shaped gap 252 of the support table 250, facilitating the movement of the suction mechanism 230 in the Z-axis direction upward or downward, and the movement of the suction mechanism 230 in the Y-axis direction when the suction mechanism 230 is above the station 251. As mentioned above, the transferring and jacking device enables the transfer of the semi-finished product 20 from one station 251 to another station 251 adjacent thereto. When the semi-finished products 20 are placed at different stations 251 of the supporting table 250, the transferring and jacking device can synchronously transfer the semi-finished products 20 at different stations 251 of the supporting table 250 to another adjacent station 251 so as to cooperate with the film transfer device to perform corresponding film pasting operation.

In another embodiment of the present application, referring to fig. 7 to 9, the first slide 212 and the base are provided with a linear guide mechanism 2121. The linear guide mechanism 2121 is provided to facilitate stable and reliable linear sliding of the first carriage 212. Wherein guide 2121a is mounted on the base, slider 2121b is mounted on first carriage 212, and slider 2121b is slidably mounted on guide 2121 a. When the first carriage 212 is relatively long, a plurality of sliders 2121b may be disposed on the first carriage 212, and all the sliders 2121b are slidably mounted on the same guide rail 2121a, which facilitates stable movement of the first carriage 212. A linear guide mechanism 2221 is disposed between the first slider 212 and the second slider 222. A linear guide track mechanism 2235 is arranged between the reversing seat 2231 and the movable frame 2232. These solutions facilitate the sliding assembly between the two structural members, as can be seen in the case of the linear guide mechanism 2121 disposed between the first slider 212 and the base.

In another embodiment of the present application, referring to fig. 8, a linear guide mechanism 2236 is disposed between the limiting frame 2234 and the movable frame 2232, a guide rail 2236a of the linear guide mechanism extends along the Z-axis direction and is connected to the limiting frame 2234, and a slider 2236b of the linear guide mechanism is connected to the movable frame 2232. This facilitates the manufacturing of the limit frame 2234 and the movable frame 2232, and facilitates the stable sliding between the movable frame 2232 and the limit frame 2234, so as to limit the movable frame 2232 to move up and down along the Z-axis direction. The position-limiting frame 2234 may be a strip-shaped plate, which is convenient for connection with the guide rail 2236 a. The bottom end of the position-limiting frame 2234 can be fixed on the second slide carriage 222 by a fastener. A connecting block 2233 is connected between the movable frame 2232 and the sliding block 2236 b. This facilitates the fabrication and assembly of the slider 2236b and the movable frame 2232. The movable frame 2232, the connecting block 2233 and the sliding block 2236b can be connected by fasteners.

In another embodiment of the present application, referring to fig. 7 and 8, the third driving assembly 211 includes a first motor 2111 and a first lead screw and nut mechanism 2112 for transmitting the power of the first motor 2111 to the first sliding seat 212; the fourth driving assembly 221 includes a second motor 2211 and a second lead screw-nut mechanism 2212 for transmitting the power of the second motor 2211 to the second carriage 222. The driving assembly adopts a mode of combining the control motor and the screw rod nut mechanism, is easy to assemble and is convenient to control output displacement so as to adjust the position of the actuating member. The axis of the third driving assembly 211 and the axis of the fourth driving assembly 221 are parallel to the Y-axis direction, and the third driving assembly 211 and the fourth driving assembly 221 are respectively located at two ends of the second sliding seat 222. Therefore, the whole structure is compact, and the occupied space is small. In addition, the third driving assembly 211 and the fourth driving assembly 221 are located on the same side of the second slide 222, which facilitates wiring the third driving assembly 211 and the fourth driving assembly 221, and facilitates compact structure. The first slider 212 and the second slider 222 are both in the shape of a strip plate and are arranged at intervals. The plurality of reversing assemblies 223 are arranged along the Y-axis direction, the first sliding seat 212 and the second sliding seat 222 extend along the Y-axis direction, and the plurality of reversing assemblies 223 are correspondingly arranged on one sliding seat 212 and the second sliding seat 222, so that the whole structure is compact.

In another embodiment of the present application, referring to fig. 8 and 9, the reversing base 2231 has a slanted sliding surface 2231a for slidably mounting the bottom end of the movable frame 2232, and the slanted sliding surface 2231a forms an acute angle with the Y-axis direction. This facilitates the sliding assembly of the movable frame 2232 on the reversing base 2231 in a predetermined direction. For example, the reversing base 2231 may be configured as a triangular structure, the bottom surface of which is mounted on the second slide base 222, and the inclined surface serves as an inclined sliding surface 2231 a.

In another embodiment of the present application, referring to fig. 8 and 9, a plurality of the semi-finished product nozzles 231 are disposed in each of the suction mechanisms 230, and the plurality of the semi-finished product nozzles 231 are disposed at intervals at the top end of the movable frame 2232. This facilitates reliable vacuum suction of the semifinished product. The semi-finished product suction nozzle 231 is connected to a negative pressure source to vacuum-adsorb the semi-finished product. Wherein the negative pressure source may be a negative pressure vacuum pump.

In another embodiment of the present application, referring to fig. 12 to 15, a film transfer apparatus 300 includes: a front-back driving mechanism 310, an up-down driving mechanism 320, and a suction assembly 330. The front-rear driving mechanism 310 includes a fifth driving unit 311 and a first support 312 driven by the fifth driving unit 311 to move in the X-axis direction. The up-down driving mechanism 320 comprises a sixth driving component 321 mounted on the first support 312, a second support 322 slidably mounted on the first support 312 along the X-axis direction and driven by the sixth driving component 321 to move along the X-axis direction, and a direction changing component 323; each direction changing assembly 323 comprises a direction changing seat 3231 fixed on the second support 322, a mounting frame 3232 slidably mounted on the direction changing seat 3231 in a predetermined direction, and a limiting member 3233 mounted on the first support 312 and used for limiting the movement of the mounting frame 3232 in the Z-axis direction, wherein the mounting frame 3232 forms an acute angle with respect to the sliding direction of the direction changing seat 3231 and the X-axis direction, and the X-axis direction and the Z-axis direction are perpendicular to each other. A plurality of suction assemblies 330 are mounted on the mounting frame 3232, each suction assembly 330 having a downward facing diaphragm suction nozzle 331.

The direction changing seat 3231 and the mounting frame 3232 in the direction changing assembly 323 are matched with the limiting member 3233, so that the movement of the direction changing seat 3231 in the X-axis direction is converted into the movement of the mounting frame 3232 in the Z-axis direction. In the direction changing assembly 323, the limiting member 3233 and the sixth driving assembly 321 are mounted on the first support 312, the second support 322 is slidably mounted on the first support 312 along the X-axis direction, and when the fifth driving assembly 311 drives the first support 312 to move along the X-axis direction, the first support 312 drives the limiting member 3233, the sixth driving assembly 321 and all the structures disposed on the second support 322 to move along the X-axis direction. The direction changing seat 3231 is fixed on the second support 322, when the sixth driving assembly 321 drives the second support 322 to move along the X-axis direction, the second support 322 drives the direction changing seat 3231 to move along the X-axis direction, at this time, the mounting frame 3232 slides on the direction changing seat 3231 along a predetermined direction, an acute angle is formed between the mounting frame 3232 and the X-axis direction relative to the sliding direction of the direction changing seat 3231, the limiting member 3233 limits the mounting frame 3232 to move along the Z-axis direction, and the mounting frame 3232 is moved along the Z-axis direction.

The fifth driving unit 311 and the sixth driving unit 321 output predetermined displacement, so that the plurality of adsorption units 330 disposed on the mounting frame 3232 can move in the X-axis and Z-axis directions, thereby realizing synchronous transfer of the plurality of membranes. The fifth driving component 311 and the sixth driving component 321 are set to output displacement at a predetermined time interval, so that the suction component 330 on the mounting frame 3232 can move along a predetermined path, and the suction component 330 can suck or release the membrane. For example, the adsorption assembly 330 adsorbs the membrane, and moves the adsorption assembly 330 upward along the Z-axis direction for a predetermined displacement, then moves the adsorption assembly 330 downward along the X-axis direction for a predetermined displacement, and the adsorption assembly 330 releases the membrane, which can realize the membrane transfer from one position to another adjacent position; finally, the adsorption assembly 330 is reversely moved in the X-axis direction to return to the previous position, thus completing a movement cycle; the same procedure is followed to continuously move the absorbent assembly 330 between two positions to effect transfer of the membrane from one position to an adjacent position. The membrane transfer device 300 is simple in structure and low in use cost.

The fifth driving assembly 311 and the first support 312 in the front-back driving mechanism 310, and the sixth driving assembly 321 and the second support 322 in the up-down driving mechanism 320 may be disposed below the placing frame 400 and the film alignment apparatus 100, so as to fully utilize the space in the Z-axis direction, and make the whole structure compact.

In another embodiment of the present application, referring to fig. 12 to 14, a linear guide 3121 is disposed between the first support 312 and the base. The provision of the linear guide mechanism 3121 facilitates stable and reliable linear sliding of the first mount 312. Wherein the guide rail 3121a may be mounted on the base, the slider 3121b may be mounted on the first support 312, and the slider 3121b may be slidably fitted on the guide rail 3121 a. When the first support 312 is set to be relatively long, a plurality of sliding blocks 3121b may be disposed on the first support 312, and all the sliding blocks 3121b are slidably mounted on the same guide rail 3121a, which facilitates stable movement of the first support 312. A linear guide track mechanism 3221 is disposed between the first support 312 and the second support 322. A linear guide rail mechanism 3234 is arranged between the direction changing seat 3231 and the mounting frame 3232. These solutions facilitate a sliding fit between the two structural members.

Referring to fig. 14, a linear guide mechanism 3235 is disposed between the limiting member 3233 and the mounting frame 3232. A guide rail 3235a of the linear guide mechanism extends in the Z-axis direction and is connected to a stopper 3233, and a slider 3235b of the linear guide mechanism is connected to a mounting frame 3232. Therefore, the limiting member 3233 and the mounting frame 3232 can be conveniently manufactured, and the mounting frame 3232 and the limiting member 3233 can stably slide to limit the mounting frame 3232 to move up and down along the Z-axis direction. The position limiting member 3233 may be a strip-shaped plate, which is convenient for connecting with the linear guide track mechanism 3221. The bottom end of the retainer 3233 can be fixed to the first support 312 by a fastener.

In another embodiment of the present application, referring to fig. 12 to 14, the fifth driving assembly 311 includes a first motor 3111 and a first lead screw-nut mechanism 3112 for transmitting the power of the first motor 3111 to the first support 312; the sixth driving assembly 321 includes a second motor 3211 and a second lead screw-nut mechanism 3212 for transmitting power of the second motor 3211 to the second support 322. The driving assembly adopts a mode of combining a control motor and a lead screw nut mechanism, is easy to assemble and is convenient to control output displacement so as to adjust the position of the actuating member. In addition, the first motor 3111 and the second motor 3211 are disposed adjacent to each other, so that the first motor 3111 and the second motor 3211 can be conveniently wired, and the structure is compact. The axis of the fifth driving assembly 311 and the axis of the sixth driving assembly 321 are parallel to the X-axis direction; the fifth driving component 311 and the sixth driving component 321 are respectively located at two opposite sides of the first support 312. Therefore, the whole structure is compact, and the occupied space is small.

In another embodiment of the present application, please refer to fig. 12 to 14, the number of the direction changing assemblies 323 is plural, the plural direction changing assemblies 323 are arranged at intervals along the Y-axis direction, and the X-axis direction, the Y-axis direction and the Z-axis direction are mutually perpendicular to each other two by two. Set up a plurality of diversion components 323, correspondingly have a plurality of mounting brackets 3232, different mounting brackets 3232 can set up adsorption element 330 respectively, and a plurality of adsorption element 330 just can adsorb more diaphragms to realize the synchronous transfer of more diaphragms, raise the efficiency.

In another embodiment of the present application, referring to fig. 12 and 15, the suction assemblies 330 on each mounting frame 3232 are arranged in pairs, and the two suction assemblies 330 in each pair of suction assemblies 330 are spaced apart along the X-axis direction. In the placing positions 401, the membrane aligning devices and the stations which are arranged in a one-to-one correspondence manner, the membrane aligning devices are located in the middle positions between the placing positions 401 and the stations. This solution is suitable for the simultaneous transfer of two diaphragms between three positions. With reference to fig. 1 and fig. 2, the number of pairs of the adsorption assemblies 330 is equal to the number of the stations 251, the adsorption assemblies 330 in different pairs correspond to one set of the placing positions 401, the film alignment device 100 and the stations 251, and the same pair of adsorption assemblies 330 moves between the placing positions 401, the film alignment device 100 and the stations 251 in the same set, so that the transfer efficiency of the film can be improved.

Two adsorption modules 330 of the same pair of adsorption modules 330 are respectively named as a first adsorption module 330 and a second adsorption module 330. At the beginning, only the placing position 401 has a membrane, the first adsorption component 330 and the second adsorption component 330 respectively correspond to the placing position 401 and the membrane aligning device 100, the first adsorption component 330 adsorbs the membrane of the placing position 401 and moves forward to transfer the membrane to the membrane aligning device 100, and simultaneously, the second adsorption component 330 is transferred to the station 251 from the membrane aligning device 100. The membrane of station 251 is transferred away manually or mechanically. Next, a membrane is placed in the placement position 401 manually or mechanically, the two adsorption assemblies 330 return to the initial position, the first adsorption assembly 330 adsorbs a new membrane in the placement position 401, the second adsorption assembly 330 adsorbs a membrane in the membrane alignment device 100, then the first adsorption assembly 330 and the second adsorption assembly 330 move forward synchronously, the membrane in the placement position 401 is transferred to the membrane alignment device 100, and the membrane in the membrane alignment device 100 is transferred to the station 251. Place position 401 and place a new diaphragm once more, two absorption assembly 330 return initial position, the step that two absorption assembly 330 shifted the diaphragm is repeated, realize different diaphragms in proper order by placing the transfer of position 401, diaphragm aligning device 100, station 251, place the diaphragm of position 401 and shift to diaphragm aligning device 100 in addition, diaphragm aligning device 100's diaphragm shifts to station 251, these two actions can be gone on simultaneously, can improve the transfer efficiency of diaphragm like this.

In addition, a pair of adsorption assemblies 330 is provided on each mounting frame 3232. This solution is suitable for transferring the membrane between two or three positions, and the specific process is similar and will not be described in detail.

In another embodiment of the present application, referring to fig. 12, at least two pairs of adsorption assemblies 330 are disposed on each mounting frame 3232 at intervals along the Y-axis direction, and the X-axis direction, the Y-axis direction and the Z-axis direction are perpendicular to each other two by two. Therefore, the plurality of membranes can be synchronously transferred in corresponding areas, and the working efficiency is improved.

In another embodiment of the present application, referring to fig. 14, the mounting frame 3232 includes a vertical arm 3232a extending along the Z-axis direction, a connecting arm 3232b connected to the vertical arm 3232a, and a transverse arm 3232c connected to the connecting arm 3232b and extending along the X-axis direction, a bottom end of the vertical arm 3232a is slidably mounted on the direction-changing seat 3231, and the same pair of adsorption assemblies 330 is disposed on the transverse arm 3232 c. The vertical arm 3232a, the connecting arm 3232b and the horizontal arm 3232c can be assembled by a rod-shaped structure, the mounting frame 3232 is easy to manufacture, and the same pair of adsorption assemblies 330 can be conveniently assembled on the horizontal arm 3232c, so that the same pair of adsorption assemblies 330 can synchronously move. In addition, when at least two pairs of suction assemblies 330 are disposed on the same mounting frame 3232, a plurality of transverse arms 3232c can be connected to the connecting arm 3232b, and each pair of suction assemblies 330 is disposed on the same transverse arm 3232c, so that more suction assemblies 330 can be expanded to adapt to the situation of multiple stations.

In another embodiment of the present application, referring to fig. 13, the direction changing seat 3231 has an inclined guide surface 3231a for slidably mounting the bottom end of the mounting frame 3232, and the inclined guide surface 3231a forms an acute angle with the X-axis direction. This facilitates the sliding fitting of the mounting frame 3232 on the direction-changing seat 3231 in a predetermined direction. For example, the direction changing seat 3231 may be provided in a triangular structure, and the bottom surface thereof is installed on the second support 322, and the inclined surface thereof serves as an inclined guide surface 3231 a.

In another embodiment of the present application, referring to fig. 12 and 15, a plurality of the film suction nozzles 331 are disposed in each suction assembly 330, and a plurality of the film suction nozzles 331 are disposed on the mounting frame 3232 in an array. This facilitates reliable vacuum suction of the membrane. The diaphragm suction nozzle 331 is connected to a negative pressure source to vacuum the diaphragm. Wherein the negative pressure source may be a negative pressure vacuum pump.

In another embodiment of the present application, referring to fig. 1 and fig. 2, the backlight film pasting apparatus further includes a base 500, and the placing frame 400, the film alignment device 100, the synchronous transmission device 200, and the film transfer device 300 are disposed on the base 500. This facilitates the use of the backlight film sticking device. The base 500 includes a substrate 501 and a supporting frame 502 disposed on the substrate 501, the supporting frame 502 can mount the placing frame 400 and the film alignment apparatus 100, so that the placing frame 400, the film alignment apparatus 100 and the supporting platform 250 are disposed substantially on a horizontal plane, and the film transfer apparatus 300 can transfer films at different positions.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A backlight film sticking device is characterized by comprising:

a rack having a placement location;

the membrane alignment device is used for accurately positioning the membrane;

2. The backlight film sticking equipment as claimed in claim 1, wherein the number of the placing positions, the number of the film aligning devices and the number of the stations are set to one;

3. The apparatus of claim 1, wherein the film sheet alignment device comprises:

a first drive assembly;

the connecting table is driven by the first driving assembly to move linearly;

4. The apparatus of claim 3, wherein the movable positioning element comprises a supporting plate and a first L-shaped arm disposed on the supporting plate, the supporting surface is formed on the supporting plate, the first positioning surface is formed on the first L-shaped arm, and the guide groove is disposed on the supporting plate;

5. The apparatus of any one of claims 1 to 4, wherein the transfer jacking device comprises:

6. The backlight film pasting equipment of claim 5, wherein a linear guide rail mechanism is arranged between the limiting frame and the movable frame, a guide rail of the linear guide rail mechanism extends along the Z-axis direction and is connected with the limiting frame, and a sliding block of the linear guide rail mechanism is connected with the movable frame.

7. The apparatus of any one of claims 1 to 4, wherein the film transfer device comprises:

8. The apparatus of claim 7, wherein the number of the direction changing assemblies is plural, the plural direction changing assemblies are arranged at intervals along a Y-axis direction, and a pair of the X-axis direction, the Y-axis direction and the Z-axis direction are perpendicular to each other.

9. The apparatus of claim 7, wherein the suction assemblies on each of the mounts are arranged in pairs, two suction assemblies of each pair being spaced apart in the X-axis direction; in the placing positions, the membrane aligning devices and the stations which are arranged in a one-to-one correspondence mode, the membrane aligning devices are located in the middle between the placing positions and the stations.

10. The apparatus of any one of claims 1 to 4, wherein the apparatus further comprises a base, and the rack, the film sheet aligning device, the synchronous conveying device and the film sheet transferring device are all disposed on the base.