CN219134657U

CN219134657U - Automatic alignment film pasting device

Info

Publication number: CN219134657U
Application number: CN202320122467.8U
Authority: CN
Inventors: 黎海波; 管良才; 李页仔
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-06
Anticipated expiration: 2033-02-06

Abstract

The utility model aims to provide an automatic alignment film sticking device capable of sticking films of components of a flexible circuit board without damaging the flexible circuit board. The utility model comprises a feeding mechanism for transporting flexible products, a plurality of film sticking modules and a vision mechanism, wherein the film sticking modules comprise a film feeding mechanism for supplying films and a film taking mechanism, the vision mechanism comprises a first driving mechanism, a first industrial camera arranged on the first driving mechanism and a second industrial camera arranged below the feeding mechanism, the film taking mechanisms are arranged in parallel, the film taking mechanism comprises a lifting mechanism and a rotary cylinder arranged on the movable end of the lifting mechanism, a protective film suction head is arranged on the movable end of the rotary cylinder, and the first driving mechanism drives the first industrial camera to move along a straight line where the protective film suction heads are arranged. The utility model is applied to the technical field of product film sticking devices.

Description

Automatic alignment film pasting device

Technical Field

The utility model is applied to the technical field of product film sticking devices, and particularly relates to an automatic alignment film sticking device.

Background

With miniaturization and refinement of electronic products, it is difficult for conventional PCB circuit boards to satisfy circuit extension and connection within a small or thin case. The PCB circuit boards are communicated and connected with each other through the connector, but collision can occur in the process of using the mobile phone or the tablet personal computer and other equipment when the mobile phone or the tablet personal computer is thinner, the common board-to-board connector is adopted to connect, so that the release is easily caused by uneven stress, and meanwhile, the occupied space of the PCB circuit boards is larger. The flexible circuit board is adopted to replace part of the connecting structure and the circuit structure, so that on one hand, vibration can be prevented from being transmitted to the connector to be loosened due to the flexibility of the flexible circuit board, and on the other hand, the space can be conveniently adapted, and the occupied space of the structure is reduced. Meanwhile, some components such as a microphone are arranged on the flexible circuit board in the existing electronic product, but the component after quality inspection test is used for dust-proof packaging and film-sticking process is difficult to be smoothly carried out due to the deformable characteristic of the flexible circuit board.

As in publication No. CN107264865B, a MEMS microphone film-sticking apparatus is disclosed in which a microphone is positioned with a station provided on a turntable. For the component film arranged on the traditional PCB, the positioning is usually only needed to be carried out on the jig, but the flexible circuit board has a slight deformation to cause the surface bias of the component, so that the protective film is askew and can not be aligned and aligned well. In addition, the jig is adopted to position the film, so that the surface layer of the flexible circuit board is easily damaged in the picking and placing process.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the automatic alignment film pasting device which can carry out film pasting on components of a flexible circuit board and does not damage the flexible circuit board.

The technical scheme adopted by the utility model is as follows: the utility model comprises a feeding mechanism for transporting flexible products, a plurality of film sticking modules and a vision mechanism, wherein the film sticking modules comprise a film feeding mechanism for supplying films and a film taking mechanism, the vision mechanism comprises a first driving mechanism, a first industrial camera arranged on the first driving mechanism and a second industrial camera arranged below the feeding mechanism, the film taking mechanisms are arranged in parallel, the film taking mechanism comprises a lifting mechanism and a rotary cylinder arranged on the movable end of the lifting mechanism, a protective film suction head is arranged on the movable end of the rotary cylinder, and the first driving mechanism drives the first industrial camera to move along a straight line where the protective film suction heads are arranged.

According to the scheme, the film pasting treatment is directly carried out in the carrying process in a carrying mode of the feeding mechanism, so that the taking and placing actions of the flexible circuit board product are reduced, and abrasion caused by contact between the flexible circuit board product and the jig is avoided. And then the visual mechanism is used for photographing and positioning the product and the protective film, and the driving part of the feeding mechanism is used for adjusting the position to realize automatic alignment and film pasting. In addition, the film taking mechanism is arranged in parallel to realize the simplification of the visual mechanism, and the first industrial camera is driven by the first driving mechanism to move to realize the visual detection of all the film taking mechanisms.

The rotary cylinder is characterized in that an extension block is arranged at the movable end of the rotary cylinder, the protective film suction head is arranged at the end part of the extension block, an installation block is arranged on the rotary cylinder along the vertical direction, and limiters matched with the extension block are arranged at the two ends of the installation block.

Further preferably, the extension block is provided with an air passage communicated with the protective film suction head, and the protective film suction head is connected with an external vacuum generator through the air passage.

The lifting mechanism comprises a mounting bracket, a first lifting cylinder and a movable plate, wherein the movable plate is in sliding fit with the mounting bracket through a linear guide rail, the rotary cylinder is fixed on the movable plate, the first lifting cylinder is fixed on the mounting bracket, and the movable end of the first lifting cylinder is in transmission connection with the movable plate.

The film feeding mechanism comprises a material wheel, a limiting plate, a second driving mechanism and a material collecting wheel, wherein a guide material channel is arranged on the limiting plate, a turning block is arranged at the tail end of the guide material channel, a material taking block matched with the turning block is arranged on the limiting plate, the material taking block is located under the protective film suction head, a material belt of the material wheel sequentially passes through the limiting plate, the second driving mechanism and the material collecting wheel all drive the material belt to move, and the material collecting wheel is linked with the second driving mechanism.

Further preferably, the feeding wheel is provided with a material belt, the edge array of the feeding wheel is provided with a mounting groove, a top block is arranged in the mounting groove in a floating mode, and the edges of the top blocks are all in a chamfer shape.

The feeding mechanism comprises a two-shaft driving mechanism and a carrying assembly, the carrying assembly is connected with the movable end of the two-shaft driving mechanism through a rotating motor, the carrying assembly comprises a plurality of groups of second lifting cylinders, and an adsorption plate is arranged at the movable end of each second lifting cylinder in a floating mode.

In one preferred scheme, the adsorption plate is provided with a plurality of groups of vacuum suction nozzles matched with the flexible circuit board and a plurality of groups of magnetic adsorption blocks magnetically matched with the ferromagnetic components.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic perspective view of the feeding mechanism and the vision mechanism;

fig. 3 is a schematic perspective view of the rotating electric machine and the carrying assembly;

fig. 4 is a schematic perspective view of the adsorption plate;

FIG. 5 is a schematic view of a combined three-dimensional structure of the film sticking module;

FIG. 6 is a schematic perspective view of the first view angle of the film sticking module;

FIG. 7 is a schematic view of a partially exploded structure of the film sticking module after the material tape is hidden;

FIG. 8 is an enlarged view of portion A of FIG. 7;

fig. 9 is a schematic perspective view of the second view angle of the film laminating module.

Detailed Description

As shown in fig. 1 to 9, in this embodiment, the present utility model includes a feeding mechanism 1 for transporting flexible products, four sets of film sticking modules 2, and a vision mechanism 3, where the film sticking modules 2 include a film feeding mechanism 21 for feeding films and a film taking mechanism 22, the vision mechanism 3 includes a first driving mechanism 31, a first industrial camera 32 disposed on the first driving mechanism 31, and a second industrial camera 33 disposed below the feeding mechanism 1, the four sets of film taking mechanisms 22 are disposed in parallel, the film taking mechanism 22 includes a lifting mechanism 221 and a rotary cylinder 222 disposed on a movable end of the lifting mechanism 221, a protective film suction head 223 is disposed on a movable end of the rotary cylinder 222, and the first driving mechanism 31 drives the first industrial camera 32 to move along a line where the protective film suction head 223 is located. The first driving mechanism 31 is a linear electric cylinder.

In this embodiment, the two groups of film-sticking modules 2 perform component protection film sticking on one product together, the two groups of film-sticking modules 2 are symmetrically distributed and respectively perform film sticking treatment on different components, the feeding mechanism 1 transports two products to be film-stuck at one time, and the processing of the two products to be film-stuck is completed through the four groups of film-sticking modules 2.

As shown in fig. 8, in this embodiment, an extension block 224 is disposed on the movable end of the rotary cylinder 222, the protective film suction head 223 is disposed at the end of the extension block 224, an installation block 225 is disposed on the rotary cylinder 222 along the vertical direction, two ends of the installation block 225 are both provided with limiters 226 that are matched with the extension block 224, and the limiters 226 are limiting screws with flexible cushion blocks disposed at the ends. The extension block is arranged to mount the protective film suction head 223 and the rotary cylinder 222 is limited in rotation, so that the film taking and sticking precision of the protective film suction head 223 is guaranteed, and the rotary cylinder 222 is used for driving the protective film to turn over after taking the film to enable the sticking surface of the protective film to be matched with a product above for sticking. The air channel is arranged on the extension block 224, the mounting groove communicated with the air channel is arranged on the extension block 224, the protective film suction head 223 is fixed in the mounting groove, an air cavity communicated with the air channel is arranged inside the protective film suction head 223, a plurality of small suction holes communicated with the air cavity are arranged on a suction film boss of the protective film suction head 223, and the air channel is connected with an external vacuum generator through a connecting joint, and suction of the protective film is performed by generating negative pressure in the small suction holes.

In this embodiment, the lifting mechanism 221 includes a mounting bracket 227, a first lifting cylinder 228, and a movable plate, where the movable plate is slidably fitted on the mounting bracket 227 through a linear guide rail, the rotary cylinder 222 is fixed on the movable plate, the first lifting cylinder 228 is fixed on the mounting bracket 227, and a movable end of the first lifting cylinder 228 is in transmission connection with the movable plate. The mounting bracket 227 is provided with a plurality of limit screws in limit fit with the movable plate, and the limit screws are correspondingly arranged on the upper limit and the lower limit of the travel of the movable plate. The lifting mechanism 221 is used for driving the protective film suction head 223 to lower and take out the film and lift up the film. The linear movement accuracy of the protective film suction head 223 is improved by the linear guide rail, and the film pasting accuracy is improved.

As shown in fig. 6, 7 and 9, in this embodiment, the film feeding mechanism 21 includes a feeding wheel 211, a limiting plate 212, a second driving mechanism 213, a receiving wheel 214 and a plurality of guiding structures, a guiding material channel 215 is disposed on the limiting plate 212, a turning block 216 is disposed at the end of the guiding material channel 215, a material taking block 217 matched with the turning block 216 is disposed on the limiting plate 212, the material taking block 217 is located under the protective film suction head 223, a material belt of the feeding wheel 211 sequentially passes through a first guiding roller, the limiting plate 212, a guiding post, a second driving mechanism 213 and a receiving wheel 214, the second driving mechanism 213 includes a driving motor 2131, a driving roller 2132 and a pressing component, the driving roller 2132 and the receiving wheel 214 are in transmission connection with the driving motor 2131 through a belt, the driving roller 2132 is rotatably disposed on the equipment frame, the pressing component includes a positioning frame 2133 and a cam 5 disposed on the equipment frame, and a pressing roller 2136, and the pressing roller 2135 is rotatably disposed on the driving frame 2136 and the pressing frame 2135, and the pressing roller 2135 is rotatably disposed on the pressing frame 2136 and the pressing frame 2135, and the pressing frame 5 is in contact with the driving roller 2134. The cam 2134 is connected with a rotating handle 2137, the cam 2134 is rotated by the rotating handle 2137, the pressing component is used for adjusting the meshing degree so as to switch whether the second driving mechanism 213 participates in the driving of the material belt, and the material belt passes through the gap between the pressing wheel 2136 and the driving roller 2132 in a contactless manner when the cam 2134 is in a loosening state. The film feeding mechanism 21 is provided with two groups of material receiving wheels 214, the two groups of material receiving wheels 214 are clung to each other and drive the material belt to move for recycling, and one group of material receiving wheels 214 is in transmission connection with the driving motor 2131 through a belt. The feeding wheel 211 is provided with a material belt, the edge array of the feeding wheel 211 is provided with a mounting groove 219, a top block 2110 is arranged in the mounting groove 219 in a floating mode, and the edges of the top blocks 2110 are all in a chamfering shape. Through the structural design of chamfer form, can do a preliminary direction when making the material roll coil of strip material loading, make things convenient for the material loading. At the same time, the tension of the material coil is carried out through the floating top block 2110, so as to prevent the material coil from separating from the feeding wheel 211. The second driving mechanism 213 drives the material belt to move through the turning block 216, and the protective film is tilted and separated from the material belt by the angle of the turning block 216, and then is completely separated from the material belt under the limit of the material taking block 217.

As shown in fig. 2 to 4, in this embodiment, the feeding mechanism 1 includes a two-axis driving mechanism 11 and a carrying assembly 12, the carrying assembly 12 is connected to a movable end of the two-axis driving mechanism 11 through a rotating motor 13, the carrying assembly 12 includes a plurality of groups of second lifting cylinders 121, the movable end of the second lifting cylinders 121 is floatingly connected with an adsorption plate 122 through a floating structure 125, and the floating structure is composed of a contour screw and a spring. The adsorption plate 122 is provided with a plurality of groups of flexible vacuum suction nozzles 123 matched with the flexible circuit board and a plurality of groups of magnetic adsorption blocks 124 magnetically matched with the ferromagnetic components. The flexible product is fed and the position is adjusted through the two-axis driving assembly 11, the rotating motor 13 drives the carrying assembly 12 to rotate and adjust, so that the flexible product is driven to adjust the gesture according to the visual detection result, and the alignment during film pasting is ensured. The flexible circuit board is adsorbed by the flexible vacuum suction nozzle 123, so that the flexible circuit board is not damaged in the carrying process, meanwhile, the flexible circuit board is kept on the carrying assembly 12 and is not loosened in the film pasting process, and the magnetic adsorption block 124 is used for carrying out adsorption positioning of components and providing support for component film pasting. The feeding mechanism 1 further comprises a frame, the two-axis driving mechanism 11 is arranged on the frame, and the first driving mechanism 31 is arranged on the frame.

The working principle of the utility model is as follows:

the feeding mechanism 1 adsorbs and positions each point of the product to be pasted through vacuum adsorption and magnetic adsorption, and drives the product to move to the position above the second industrial camera 33 through the two-axis driving mechanism 11 for visual detection, so that the position and the general direction of the components to be pasted on the product are obtained.

The protective film is peeled off from the material belt by the film feeding mechanism 21, and is turned over after being sucked by the film taking mechanism 22, and the protective film is visually detected by the first industrial camera 32, so that the position state of the protective film is obtained.

The two-axis driving mechanism 11 and the rotating motor 13 are used for carrying out posture adjustment on a product to be laminated and a protective film, so that accurate film lamination is realized.

And after the film pasting is completed, the feeding mechanism 1 returns to take and discharge the product.

While the embodiments of this utility model have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this utility model, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.

Claims

1. The utility model provides an automatic counterpoint pad pasting device, it includes feed mechanism (1) and a plurality of pad pasting module (2) of transporting flexible product, pad pasting module (2) are including film feeding mechanism (21) and film taking mechanism (22) of supplying the membrane, its characterized in that: the automatic alignment film pasting device further comprises a visual mechanism (3), the visual mechanism (3) comprises a first driving mechanism (31), a first industrial camera (32) arranged on the first driving mechanism (31) and a second industrial camera (33) arranged below the feeding mechanism (1), a plurality of film taking mechanisms (22) are arranged side by side, each film taking mechanism (22) comprises a lifting mechanism (221) and a rotary cylinder (222) arranged on the movable end of the lifting mechanism (221), a protective film suction head (223) is arranged on the movable end of each rotary cylinder (222), and the first driving mechanism (31) drives the first industrial camera (32) to move along a plurality of straight lines where the protective film suction heads (223) are located.

2. The automatic alignment film laminating device according to claim 1, wherein: an extension block (224) is arranged at the movable end of the rotary cylinder (222), the protective film suction head (223) is arranged at the end part of the extension block (224), an installation block (225) is arranged on the rotary cylinder (222) along the vertical direction, and limiters (226) matched with the extension block (224) are arranged at two ends of the installation block (225).

3. An automatic alignment film laminating device according to claim 2, wherein: the extension block (224) is provided with an air passage communicated with the protective film suction head (223), and the protective film suction head (223) is connected with an external vacuum generator through the air passage.

4. The automatic alignment film laminating device according to claim 1, wherein: the lifting mechanism (221) comprises a mounting bracket (227), a first lifting cylinder (228) and a movable plate, wherein the movable plate is in sliding fit with the mounting bracket (227) through a linear guide rail, the rotary cylinder (222) is fixed on the movable plate, the first lifting cylinder (228) is fixed on the mounting bracket (227), and the movable end of the first lifting cylinder (228) is in transmission connection with the movable plate.

5. The automatic alignment film laminating device according to claim 1, wherein: film feeding mechanism (21) is including feed wheel (211), limiting plate (212), second actuating mechanism (213) and receipts material wheel (214), be provided with direction material way (215) on limiting plate (212), the end of direction material way (215) is provided with turning piece (216), limiting plate (212) on be provided with turning piece (216) complex material taking piece (217), material taking piece (217) are located under protection film suction head (223), the material area of feed wheel (211) is in proper order through limiting plate (212), second actuating mechanism (213) and receipts material wheel (214), second actuating mechanism (213) with receive material wheel (214) all drive the material area and remove, receive material wheel (214) with second actuating mechanism (213) linkage.

6. The automatic alignment film laminating device according to claim 5, wherein: install the material area on feed wheel (211), the edge array of feed wheel (211) is provided with mounting groove (219), float in mounting groove (219) and be provided with kicking block (2110), a plurality of the edge of kicking block (2110) is the chamfer form.

7. The automatic alignment film laminating device according to claim 1, wherein: the feeding mechanism (1) comprises a two-shaft driving mechanism (11) and a carrying assembly (12), the carrying assembly (12) is connected to the movable end of the two-shaft driving mechanism (11) through a rotating motor (13), the carrying assembly (12) comprises a plurality of groups of second lifting cylinders (121), and an adsorption plate (122) is arranged on the movable end of each second lifting cylinder (121) in a floating mode.

8. The automatic alignment film laminating device of claim 7, wherein: the suction plate (122) is provided with a plurality of groups of vacuum suction nozzles (123) matched with the flexible circuit board and a plurality of groups of magnetic suction blocks (124) matched with the ferromagnetic components in a magnetic attraction mode.