FPC feeding device

Abstract

The application relates to the field of circuit board manufacturing, in particular to an FPC feeding device, which comprises a driving assembly, a grabbing assembly and a positioning assembly, the positioning assembly comprises an optical module, the optical module comprises a CCD camera and a prism, the light reflected on the FPC enters the CCD camera after being refracted by the prism, the light range detected by the CCD camera is enlarged, so that the CCD camera can detect the FPC with a small size, the grabbing assembly comprises a grabber, the grabber is used for grabbing the FPC, the driving assembly is used for driving the grabber to move in three directions of XYZ, and the grabber is rotated to adjust the position of the FPC. In the FPC feeding device, the prism is matched with the CCD camera, the refractive effect of the prism on the light is utilized, the optical module in the application has the advantage of a larger detection range compared with the traditional CCD camera, so that the position of the FPC with a small size can be detected and feeding can be completed.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of circuit board manufacturing, in particular to a FPC feeding device. BACKGROUND

[0002] FPC is a kind of flexible circuit board, which is widely used in the electrical industry. In various manufacturing plants, FPC is often placed accurately on other components, and then connected to other components through subsequent processes such as heat pressing. CCD is the abbreviation of Charge Coupled Device, which can convert light into electric charge and store and transfer electric charge. It can also change the voltage by taking out the stored electric charge. Therefore, it is an ideal CCD camera component. The CCD camera composed of it has the characteristics of small size, light weight, not affected by magnetic field, anti-vibration and impact, and is widely used.

[0003] In order to accurately place FPC at a specified position to complete the feeding of FPC, the traditional manufacturer generally places FPC between two CCD cameras, detects the reflected light of FPC through the two CCD cameras, obtains the position information of FPC, and adjusts the position of FPC accordingly. However, due to the limited range of light that can be detected by traditional CCD cameras, there is a certain blind area between the two CCD cameras, so that the traditional method cannot detect FPC with small size, resulting in that the machine cannot accurately feed FPC with small size. SUMMARY

[0004] The present application provides a FPC feeding device to solve the technical problem that the traditional two CCD cameras have a certain blind area and cannot detect the position of FPC with small size, resulting in that the machine cannot accurately feed FPC with small size.

[0005] To solve the above technical problems, one technical solution adopted by the present application is to provide a FPC feeding device, which comprises: a driving assembly, a grabbing assembly and a positioning assembly.

[0006] The positioning assembly comprises an optical module, the optical module comprises a CCD camera and a prism, the light reflected by the FPC enters the CCD camera after being refracted by the prism, so that the range of light detected by the CCD camera becomes larger, so that the CCD camera can detect the FPC with small size, and the CCD camera generates a position signal of the FPC according to the detected reflected light;

[0007] The grabbing assembly comprises a gripper, the gripper is used to grab the FPC to the optical module, adjust the position of the FPC according to the signal of the optical module, and then place the FPC with adjusted position at a predetermined position to complete the feeding.

[0008] The driving assembly is used to drive the gripper to move in three directions of XYZ and adjust the position of the FPC by driving the gripper to rotate.

[0009] Preferably, the optical module has two groups, and the gripper places the FPC between the two groups of optical modules so that the optical modules can detect the complete FPC.

[0010] Preferably, the positioning assembly further comprises a positioning camera used for initial positioning of the FPC.

[0011] Preferably, the positioning assembly comprises a first guide rail and a first sliding block, and the first guide rail and the first sliding block are slidingly assembled, and the two optical modules are connected to the first sliding block so as to adjust the distance between the two optical modules.

[0012] Preferably, the FPC feeding device further comprises a tray, and an anti-slip light-transmitting film is arranged on the tray, the FPC is placed on the anti-slip light-transmitting film, and the anti-slip light-transmitting film is used to prevent the FPC from sliding on the tray and will not affect the work of the positioning camera.

[0013] Preferably, the FPC feeding device further comprises a conveying assembly, and the conveying assembly comprises a feeding plate, a lead screw motor and a conveying belt, the tray is placed on the feeding plate, the lead screw motor drives the feeding plate to descend so that the tray is in contact with the conveying belt, and the conveying belt is used to transport the tray to a preset position.

[0014] Preferably, the FPC feeding device further comprises a plasma cleaning head used to clean the oxide layer on the surface of the FPC.

[0015] Preferably, the FPC feeding device further comprises a discharging assembly used to carry the tray after the FPC is taken by the gripper.

[0016] Preferably, the driving assembly comprises a first driving motor, the gripping assembly comprises a first connecting block connected to the first driving motor, the gripper is fixedly assembled with the first connecting block, and the first driving motor drives the first connecting block to rotate, thereby driving the gripper to rotate.

[0017] Preferably, the gripper comprises three suction cups, the gripper sucks up the FPC through the suction cups, and the three suction cups are arranged in a triangular shape so as to uniformly bear the force of the FPC.

[0018] The beneficial effects of the present application are: in the FPC loading device provided by the present application, the prism is matched with the CCD camera, the refraction of light by the prism is used, the optical module in the present application has the advantage of larger detection range than the traditional CCD camera, so as to detect the position of the FPC with small size. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0020] Figure 1 is a perspective structural schematic diagram of the FPC loading device provided by the present application;

[0021] Figure 2 is a perspective structural schematic diagram of the core component in the FPC loading device provided by the present application;

[0022] Figure 3 is a perspective structural schematic diagram of the grabbing component part in the FPC loading device provided by the present application;

[0023] Figure 4 is a perspective structural schematic diagram of the gripper part in the grabbing component provided by the present application;

[0024] Figure 5 is a perspective structural schematic diagram of the optical module part in the FPC loading device provided by the present application;

[0025] Figure 6 is a perspective structural schematic diagram of the transportation component part in the FPC loading device provided by the present application;

[0026] Figure 7 is an exploded schematic diagram of the transportation component part in the FPC loading device provided by the present application;

[0027] Figure 8 is a perspective structural schematic diagram of the discharging component part in the FPC loading device provided by the present application.

[0028] Explanation of reference signs: 10, FPC feeding device; 100, driving assembly; 110, first driving motor; 120, second cylinder; 130, second driving motor; 131, third gear plate; 200, grabbing assembly; 210, grab hand; 211, L-shaped fixed block; 212, suction cup; 213, second fixed block; 220, first connecting block; 240, third fixed plate; 250, first support; 251, first threaded rod; 252, fourth sliding block; 253, second gear plate; 260, second support; 261, fifth sliding block; 280, third sliding block; 300, positioning assembly; 310, positioning camera; 320, optical module; 321, CCD camera; 322, mirror tube; 323, prism; 330, fifth driving motor; 340, third threaded rod; 350, fourth fixed plate; 351, first guide rail; 360, first sliding block; 400, tray; 500, base; 600, conveying assembly; 610, feeding plate; 620, first fixed plate; 621, first through hole; 630, first fixed block; 631, third through hole; 640, first connecting rod; 650, positioning rod; 651, limiting block; 660, screw motor; 670, conveying roller; 671, servo motor; 672, conveying belt; 673, first gear plate; 680, first cylinder; 681, second sliding block; 690, clamping plate; 700, discharging assembly; 710, tray; 720, second threaded rod; 721, fifth gear plate; 730, fourth driving motor; 731, fourth gear plate; 740, limiting rod; 800, plasma cleaning head. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] It should be noted that if the present application has directionality indication (such as up, down, left, right, front, back, …), the directionality indication is only used to explain the relative position relationship, movement, etc. between the components in a certain posture (as shown in the drawings), if the certain posture changes, the directionality indication also changes accordingly.

[0031] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope claimed by the present application.

[0032] As shown in Figures 1 to 8 The present application provides a FPC feeding device 10, the FPC feeding device 10 includes a driving assembly 100, a grabbing assembly 200 and a positioning assembly 300.

[0033] The positioning assembly 300 includes an optical module 320, the optical module 320 includes a CCD camera 321 and a prism 323, the reflected light on the FPC enters the CCD camera 321 after the refraction of the prism 323, so that the range of light detected by the CCD camera 321 becomes larger, so as to facilitate the CCD camera 321 to detect the FPC with small size, and the CCD camera 321 generates a position signal of the FPC according to the detected reflected light.

[0034] The grabbing assembly 200 includes a gripper 210, the gripper 210 is used to grab the FPC to the optical module 320, and adjusts the position of the FPC according to the signal of the optical module 320, and then places the FPC with adjusted position in the preset position to complete the feeding.

[0035] The driving assembly 100 is used to drive the gripper 210 to move in three directions of XYZ, and adjust the position of the FPC by driving the gripper 210 to rotate.

[0036] The FPC feeding device 10 further includes a tray 400, the tray 400 is rectangular, the tray 400 is used to carry the FPC which needs to be fed, and the anti-slip light transmission film is arranged on the tray 400, the FPC is placed on the anti-slip light transmission film, and the positioning assembly 300 further includes a positioning camera 310, the anti-slip light transmission film is used to prevent the FPC from sliding on the tray 400, and the anti-slip light transmission film does not affect the work of the positioning camera 310.

[0037] The FPC feeding device 10 further includes a base 500, the base 500 is horizontally arranged, and each component in the FPC feeding device 10 is installed based on the base 500.

[0038] The FPC feeding device 10 further comprises a conveying assembly 600, which comprises a feeding plate 610, a first fixed plate 620, a first fixed block 630, a first connecting rod 640, a positioning rod 650, a lead screw motor 660, a conveying roller shaft 670, a first air cylinder 680, a clamping plate 690, a servo motor 671 and a conveying belt 672.

[0039] The feeding plate 610 is a rectangular plate, which is horizontally arranged and used for bearing the tray 400. The first fixed plate 620 is arranged below the feeding plate 610 in parallel and in a spaced manner. The first fixed plate 620 is in a rectangular shape. The first fixed plate 620 is provided with a first through hole 621 in a central position thereof, which is in a circular shape. The first fixed block 630 is in a cuboid shape. The diameter of the first through hole 621 matches the first fixed block 630. The first fixed block 630 vertically penetrates the first through hole 621, and the upper end of the first fixed block 630 is fixedly assembled with the lower surface of the feeding plate 610.

[0040] The first fixed block 630 is provided with a second through hole in a central position thereof, which is in a circular shape. The lead screw motor 660 is arranged below the first fixed block 630. The lead screw motor 660 is used for driving the feeding plate 610 to move in a vertical direction. The lead screw motor 660 is vertically arranged, and the lead screw of the lead screw motor 660 penetrates the second through hole. The first fixed block 630 is used for protecting the lead screw of the lead screw motor 660. The first connecting rod 640 is arranged between the lead screw motor 660 and the first fixed plate 620. The first connecting rod 640 is in a cylindrical shape and is vertically arranged. There are four first connecting rods 640, which are arranged in a rectangular shape. The four first connecting rods 640 are distributed around the first through hole 621. The lower end of the first connecting rod 640 is fixedly assembled with the lead screw motor 660. The upper end of the first connecting rod 640 is fixedly assembled with the lower surface of the first fixed plate 620. The first connecting rod 640 is used for fixing the lead screw motor 660 and the first fixed plate 620.

[0041] The first fixed plate 620 is provided with two third through holes 631 in the middle of two sides thereof, which are in a circular shape. The two third through holes 631 are symmetrical about the first through hole 621. The positioning rod 650 is in a cylindrical shape. The diameter of the positioning rod 650 matches the diameter of the third through hole 631. The positioning rod 650 vertically penetrates the third through hole 631, and the upper end of the positioning rod 650 is fixedly assembled with the lower surface of the feeding plate 610. The positioning rod 650 can slide relative to the third through hole 631. When the lead screw motor 660 drives the feeding plate 610 to move in a vertical direction, the positioning rod 650 is used for limiting the position of the feeding plate 610 to prevent the feeding plate 610 from rotating during the movement.

[0042] A limiting block 651 is arranged at the lower end of the positioning rod 650, the limiting block 651 is circular, the limiting block 651 and the positioning rod 650 are integrally formed, the diameter of the limiting block 651 is larger than the diameter of the third through hole 631, when the feeding plate 610 is vertically upwardly moved under the driving of the lead screw motor 660, the feeding plate 610 drives the positioning rod 650 to move vertically upwardly together, when the feeding plate 610 and the positioning rod 650 rise to the preset limit position, the limiting block 651 abuts against the lower surface of the first fixed plate 620, so that the feeding plate 610 and the positioning rod 650 cannot rise along the vertical direction any more.

[0043] The conveying roller shafts 670 are arranged at the two ends of the feeding plate 610, the conveying roller shafts 670 are cylindrical, the conveying roller shafts 670 are horizontally arranged and the plane where the conveying roller shafts 670 are arranged is parallel to the plane where the feeding plate 610 is arranged, a first gear plate 673 is arranged at the two ends of each conveying roller shaft 670, the conveying roller shaft 670 penetrates through the first gear plate 673 and is fixedly assembled with the first gear plate 673, the conveying belts 672 are arranged at the two ends of the conveying roller shaft 670 and are connected with the conveying roller shafts 670 at the two ends of the feeding tray 400 through the first gear plates 673, the two conveying belts 672 are parallel to each other and the distance between the two conveying belts 672 is substantially equal to the length of the tray 400. The servo motor 671 is connected with the conveying roller shaft 670, the servo motor 671 drives the conveying roller shaft 670 to rotate and in turn drives the conveying belts 672 to move.

[0044] The first air cylinders 680 are symmetrically arranged at the two sides of the feeding plate 610 close to the first gear plates 673, the first air cylinders 680 are horizontally arranged, the first air cylinders 680 are fixedly assembled with the base 500, the second sliding blocks 681 are arranged on the upper surfaces of the first air cylinders 680, the second sliding blocks 681 are slidingly assembled with the first air cylinders 680, the first air cylinders 680 can drive the second sliding blocks 681 to move towards the feeding plate 610, the clamping plates 690 are arranged on the upper surfaces of the second sliding blocks 681, the clamping plates 690 are T-shaped, the clamping plates 690 are horizontally arranged and the clamping plates 690 are fixedly assembled with the second sliding blocks 681.

[0045] In actual work, the FPC is placed on the tray 400 by hand, and then a plurality of trays 400 are stacked on the upper surface of the feeding plate 610, the lead screw motor 660 drives the feeding plate 610 to vertically rise to a preset height, the first air cylinders 680 drive the clamping plates 690 at the two sides of the feeding plate 610 to move towards the feeding plate 610 and then the clamping plates 690 are inserted between the first counting tray 400 from top to bottom and the second counting tray 400 from top to bottom, then the lead screw motor 660 drives the feeding plate 610 to descend and the first counting tray 400 is dropped onto the conveying belts 672 and is transported to a preset position by the conveying belts 672.

[0046] The positioning assembly 300 further comprises a positioning camera 310 arranged above the base 500, when the conveying belt 672 transports the tray 400 to the preset position, the positioning camera 310 photographs the FPC on the tray 400, so as to preliminarily position the FPC.

[0047] The grabbing assembly 200 comprises a grabbing hand 210, a first connecting block 220, a third fixing plate 240, a first support 250 and a second support 260.

[0048] The grabbing hand 210 is arranged on the side of the positioning camera 310 away from the feeding plate 610, and is located above the base 500. The grabbing hand 210 comprises three L-shaped fixing blocks 211, suction cups 212 and a second fixing plate 213. The three L-shaped fixing blocks 211 are arranged in a triangular shape. Each L-shaped fixing block 211 is provided with a suction cup 212 on the lower surface thereof. The three suction cups 212 are arranged on the same horizontal plane. The grabbing hand 210 grabs the FPC through the suction cups 212. The three suction cups 212 are arranged in a triangular shape, so that the FPC is uniformly stressed when the suction cups 212 grab the FPC.

[0049] The second fixing plate 213 is in a rectangular shape and is arranged horizontally. The three L-shaped fixing blocks 211 are fixedly assembled on the second fixing plate 213. The first connecting block 220 is arranged on the upper surface of the second fixing plate 213. The first connecting block 220 is in a substantially cylindrical shape and is arranged vertically. The lower end of the first connecting block 220 is fixedly assembled with the second fixing plate 213. The driving assembly 100 comprises a first driving motor 110. The upper end of the first connecting block 220 is fixedly assembled with the first driving motor 110. The first driving motor 110 can drive the first connecting block 220 to rotate, so as to drive the grabbing hand 210 to rotate. According to the position information of the FPC photographed by the positioning camera 310, the grabbing hand 210 is rotated to grab the FPC, so that the FPC is initially positioned.

[0050] The driving assembly 100 further comprises a second air cylinder 120. The second air cylinder 120 is arranged on the side of the first driving motor 110 away from the conveying belt 672. The second air cylinder 120 is arranged vertically. The third sliding block 280 is arranged on the side of the second air cylinder 120 close to the first driving motor 110. The third sliding block 280 is slidingly assembled with the second air cylinder 120. The second air cylinder 120 can drive the third sliding block 280 to move vertically. The first driving motor 110 is fixedly assembled with the third sliding block 280, so that the second air cylinder 120 can drive the grabbing hand 210 to move in the vertical direction (i.e. the Z-axis direction).

[0051] The third fixed plate 240 is rectangular, the third fixed plate 240 is vertically arranged, the third fixed plate 240 is arranged on the side of the second cylinder 120 away from the first driving motor 110, and the third fixed plate 240 is fixedly assembled with the second cylinder 120. The first support 250 is rectangular, the first support 250 is arranged on the side of the third fixed plate 240 away from the second cylinder 120, and the first support 250 is arranged in parallel with the conveying belt 672. The first support 250 is provided with a first threaded rod 251, the first threaded rod 251 is cylindrical, the first threaded rod 251 is horizontally arranged, and the direction of the first threaded rod 251 is the same as the conveying direction of the conveying belt 672. The first support 250 further comprises a fourth sliding block 252, the fourth sliding block 252 is provided with a threaded hole, the first threaded rod 251 penetrates through the fourth sliding block 252 and is screw assembled with the fourth sliding block 252 through the threaded hole. A second gear disc 253 is arranged at one end of the first threaded rod 251, and the second gear disc 253 is fixedly assembled with the first threaded rod 251. The drive assembly 100 further comprises a second driving motor 130, the second driving motor 130 is fixedly assembled at the upper end of the first support 250, the second driving motor 130 is horizontally arranged, the second driving motor 130 is provided with a third gear disc 131 at the end close to the second gear disc 253, the second gear disc 253 and the third gear disc 131 are vertically arranged and connected through a belt therebetween, and the second driving motor 130 drives the second gear disc 253 to rotate and in turn drives the first threaded rod 251 to rotate, so that the fourth sliding block 252 can move horizontally along the first threaded rod 251, and in turn the gripper 210 can move in the horizontal direction (i.e. X-axis direction) parallel to the conveying belt 672.

[0052] The second support 260 is arranged above the first support 250, the second support 260 is horizontally arranged and perpendicular to the first support 250, the second support 260 comprises a fifth sliding block 261, the fifth sliding block 261 is slidingly assembled with the second support 260 and fixedly assembled with the first support 250, so that the gripper 210 can move along the second support 260 in the horizontal direction perpendicular to the conveying belt 672 (i.e. Y-axis direction). The drive assembly 100 further comprises a third driving motor fixedly assembled on the fifth sliding block 261, so that the third driving motor can drive the fifth sliding block 261 to move horizontally along the second support 260.

[0053] A discharging assembly 700 is arranged at the end of the base 500 away from the feeding plate 610, the discharging assembly 700 comprises a tray 710, a second threaded rod 720, a fourth driving motor 730 and a limiting rod 740.

[0054] The tray 710 is arranged on the side of the base 500 away from the feeding plate 610, the tray 710 is horizontally arranged, a second threaded rod 720 is arranged on the side of the tray 710 close to the feeding plate 610, the second threaded rod 720 is vertically arranged and the second threaded rod 720 is threadedly assembled with the tray 710, two limiting rods 740 are symmetrically arranged on the two sides of the second threaded rod 720, the limiting rod 740 is in a cylindrical shape, the limiting rod 740 is parallel to the second threaded rod 720 and the limiting rod 740 penetrates through the tray 710 and is slidingly assembled with the tray 710, a fourth driving motor 730 is arranged at the lower end of the limiting rod 740, a fourth gear disc 731 is arranged at the output end of the fourth driving motor 730, a fifth gear disc 721 is arranged at the lower end of the second threaded rod 720, the fourth gear disc 731 and the fifth gear disc 721 are connected through a belt, so that the fourth driving motor 730 can drive the second threaded rod 720 to rotate, when the second threaded rod 720 rotates, the tray 710 moves vertically along the second threaded rod 720 due to the action of the limiting rod 740. In the actual working process, when the gripper 210 finishes grabbing the FPC in the tray 400, the conveyor belt 672 further transports the empty tray 400 to the tray 710, when the empty trays 400 are continuously stacked on the tray 710, the tray 710 continuously descends under the driving of the fourth driving motor 730, so that the tray 710 can carry a plurality of empty trays 400 at a time, thereby improving the efficiency of workers in taking away the empty trays 400.

[0055] The positioning assembly 300 comprises an optical module 320, a fifth driving motor 330, a third threaded rod 340, a fourth fixed plate 350 and a first sliding block 360, and the optical module 320 comprises a CCD camera 321, a mirror tube 322 and a prism 323.

[0056] The fourth fixed plate 350 is arranged on the side of the base 500 away from the first support 250, the fourth fixed plate 350 is in a rectangular shape, the fourth fixed plate 350 is horizontally arranged, a first guide rail 351 is arranged in the middle of the fourth fixed plate 350, the first guide rail 351 is in a straight line type and the first guide rail 351 is horizontally arranged in a transverse direction, and the first sliding block 360 is arranged on the first guide rail 351, there are two first sliding blocks 360 and the two first sliding blocks 360 are slidingly assembled with the first guide rail 351.

[0057] The optical module 320 has two groups, the mirror tubes 322 in the two groups of optical modules 320 are substantially in a cylindrical shape, the mirror tubes 322 are vertically arranged and the two mirror tubes 322 are fixedly assembled with the two first sliding blocks 360, the prism 323 is arranged at the upper end of the mirror tube 322, the prism 323 is in communication with the mirror tube 322, and the CCD camera 321 is arranged at the lower end of the mirror tube 322, and the light refracted by the prism 323 can enter the CCD camera 321 through the mirror tube 322.

[0058] The fifth driving motor 330 is arranged on one side of the first sliding block 360, the third threaded rod 340 is arranged horizontally, the third threaded rod 340 is in threaded assembly with the fifth driving motor 330 and the first sliding block 360, and the fifth driving motor 330 can drive the first sliding block 360 to move transversely along the first guide rail 351 through the third threaded rod 340, so as to adjust the distance between the two groups of optical modules 320.

[0059] In the actual working process, after the gripper 210 grasps the FPC on the tray 400, the FPC is preliminarily positioned according to the information of the positioning camera 310, and then the FPC is placed between the two groups of optical modules 320 by the gripper 210. The light reflected by the FPC enters the mirror tube 322 after being refracted by the prism 323, and then is transmitted to the CCD camera 321 by the mirror tube 322. The CCD camera 321 converts the received light information into the position information of the FPC. The gripper 210 adjusts the position of the FPC by rotating according to the information provided by the CCD camera 321, and then places the FPC at the specified position to complete the accurate feeding of the FPC. Since the light entering the CCD camera 321 needs to be refracted by the prism 323 in the present application, compared with directly using the CCD camera 321 to position the FPC, the detection range of the CCD camera 321 can be expanded, which is convenient for position detection and feeding of the FPC with small size.

[0060] The FPC feeding device 10 further comprises a plasma cleaning head 800 arranged at the optical module 320, so as to clean the oxidation layer on the surface of the FPC while detecting the position of the FPC, so that the detection of the CCD camera 321 is more accurate.

[0061] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An FPC feeding device (10), characterized by, The FPC feeding device (10) comprises a driving assembly (100), a grabbing assembly (200) and a positioning assembly (300); The positioning assembly (300) comprises an optical module (320), the optical module (320) comprises a CCD camera (321) and a prism (323), the light reflected on the FPC enters the CCD camera (321) after refraction of the prism (323), so that the range of light detected by the CCD camera (321) is enlarged, so that the CCD camera (321) can detect the FPC with small size, and the CCD camera (321) generates a position signal of the FPC according to the detected reflected light; The grabbing assembly (200) comprises a grabber (210), the grabber (210) is used for grabbing the FPC to the optical module (320), adjusting the position of the FPC according to the signal of the optical module (320), and placing the FPC with adjusted position at a preset position to complete feeding; The driving assembly (100) is used for driving the grabber (210) to move in three directions of XYZ, and adjusting the position of the FPC by driving the grabber (210) to rotate; The optical module (320) has two groups, the grabber (210) places the FPC between the two groups of optical modules (320), so that the optical module (320) can detect the complete FPC; The positioning assembly (300) further comprises a positioning camera (310), the positioning camera (310) is used for primary positioning of the FPC; The positioning assembly (300) comprises a first guide rail (351) and a first sliding block (360), and the first guide rail (351) and the first sliding block (360) are slidingly assembled, two optical modules (320) are connected with the first sliding block (360), so as to adjust the distance between the two groups of optical modules (320); After the grabber (210) grabs the FPC on the tray (400), the FPC is preliminarily positioned by rotating according to the information of the positioning camera (310), then the FPC is placed between the two groups of optical modules (320) by the grabber (210), the light reflected by the FPC enters the mirror tube (322) after refraction of the prism (323), then is transmitted to the CCD camera (321) by the mirror tube (322), the CCD camera (321) converts the received light information into position information of the FPC, the grabber (210) adjusts the position of the FPC by rotating according to the information provided by the CCD camera (321), and then places the FPC at a specified position to complete accurate feeding of the FPC.

2. The FPC feeding device (10) according to claim 1, characterized in that The FPC feeding device (10) further comprises a tray (400), the tray (400) is provided with an anti-slip light transmission film, the FPC is placed on the anti-slip light transmission film, the anti-slip light transmission film is used for preventing the FPC from sliding on the tray (400), and the anti-slip light transmission film does not affect the work of the positioning camera (310).

3. The FPC feeding device (10) according to claim 2, characterized in that The FPC feeding device (10) further comprises a conveying assembly (600), the conveying assembly (600) comprises a feeding plate (610), a lead screw motor (660) and a conveying belt (672), the tray (400) is placed on the feeding plate (610), the lead screw motor (660) drives the feeding plate (610) to descend, so that the tray (400) is in contact with the conveying belt (672), and the tray (400) is conveyed to a preset position by the conveying belt (672).

4. The FPC feeding device (10) according to claim 3, characterized in that The FPC feeding device (10) further comprises a plasma cleaning head (800) for cleaning the oxide layer on the surface of the FPC.

5. The FPC feeding device (10) according to claim 4, characterized in that The FPC feeding device (10) further comprises a discharging assembly (700) for carrying the tray (400) after the gripper (210) finishes taking the FPC.

6. The FPC feeding device (10) according to claim 5, characterized in that The driving assembly (100) comprises a first driving motor (110), the grabbing assembly (200) comprises a first connecting block (220), the first connecting block (220) is connected with the first driving motor (110), the gripper (210) is fixedly assembled with the first connecting block (220), the first driving motor (110) drives the first connecting block (220) to rotate, and then drives the gripper (210) to rotate.

7. The FPC feeding device (10) according to claim 6, characterized in that The gripper (210) comprises three suction cups (212), the gripper (210) sucks up the FPC through the suction cups (212), and the three suction cups (212) are arranged in a triangular shape, so that the FPC is uniformly stressed.

Images