Double-station FPC (Flexible Printed Circuit) light bar soldering flux seepage detection machine

Abstract

The invention discloses a double-station FPC (flexible printed circuit) light bar soldering flux seepage detection machine which comprises a detection machine body, the detection machine body comprises a lower rack and an upper rack, and the upper rack is assembled at the upper end of the lower rack; feeding movement modules are assembled at the positions, located on the left side and the right side of the interior of the upper rack, of the upper end of the lower rack, visual detection systems are assembled at the driving ends of the feeding movement modules, and safety optical gratings are assembled at the positions, located on the visual detection systems, of the feeding movement modules; a manual code reading station is assembled at the position, located on the feeding movement module, of the side wall of the lower rack, a code scanner is assembled at the manual code reading station, and an adsorption jig is assembled at the feeding movement module. A camera support is assembled at the driving end of the feeding movement module, a fixed carrier block is assembled on the camera support, and a lens shaft sleeve is assembled on the side wall of the fixed carrier block. According to the double-station FPC light bar soldering flux seepage detection machine, double stations are arranged on the detection machine, so that the detection efficiency of FPC light bar soldering flux seepage can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of detection machines, in particular to a double-station FPC light bar solder flux leakage detection machine. Background Art

[0002] Currently, the backlight source used in electronic product displays also needs to be equipped with LED lamp beads on top. The LED lamp beads are mounted on FPC to form FPC light strips. The LED lamp beads are electrically connected to the electronic product motherboard through the FPC. The brightness of the backlight source is adjusted by the control of the electronic product motherboard. However, the FPC light strips need to be treated with flux during processing, and the entire process requires testing for flux leakage.

[0003] However, the detection machines in the existing technology still have some shortcomings. For example, each station detects the flux of the FPC light bar, which is inefficient. Therefore, a double-station FPC light bar flux leakage detection machine is needed to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a dual-station FPC light bar flux leakage detection machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a double-station FPC light bar flux leakage detection machine, comprising a detection machine body, the detection machine body comprising a lower frame and an upper frame, the upper frame being assembled on the upper end of the lower frame;

[0006] The upper end of the lower frame is located inside the upper frame and is equipped with feeding motion modules on both sides. The driving end of the feeding motion module is equipped with a visual detection system. A safety grating is installed on the feeding motion module at the visual detection system.

[0007] The side wall of the lower frame is equipped with a manual code reading station at the feeding motion module, the manual code reading station is equipped with a code scanner, and the feeding motion module is equipped with an adsorption fixture;

[0008] The driving end of the feeding motion module is equipped with a camera bracket, the camera bracket is equipped with a fixed carrier block, and the side wall of the fixed carrier block is equipped with a lens sleeve;

[0009] The visual inspection system includes a camera, a lens and a light source, wherein the lens is installed in a lens sleeve, the camera is assembled at one end of the lens, the light source is assembled at the other end of the lens, and a line scanning module is assembled at the light source;

[0010] The top of the upper frame is equipped with a mounting lamp tube, and an alarm indicator light is installed in the mounting lamp tube.

[0011] Preferably, control cabinets are installed on both sides of the front end of the lower frame, and a double-control loading button is installed on the top of the lower frame.

[0012] Preferably, an operation panel is mounted on one end of the front side wall of the upper frame, a detection display is mounted on the other end of the front side wall of the upper frame, and a keyboard bracket assembly is mounted on the lower end of the detection display.

[0013] Preferably, the bottom end of the lower frame is equipped with casters.

[0014] Preferably, the lens sleeve includes an axle seat a and an axle seat b that are arranged opposite to each other, and the inner walls of the axle seat a and the axle seat b are provided with rotation cavities evenly and equidistantly along their axes, and balls are installed inside the rotation cavities, and the two side walls of the axle seat a and the axle seat b are both provided with connecting plates, and the side walls of the connecting plates are provided with screw holes, and screws are threaded into the screw holes.

[0015] Preferably, a fixing plate is installed on the rear side wall of the shaft seat a and the shaft seat b, and a mounting hole is opened on the side wall of the fixing plate.

[0016] Preferably, the outer walls of the shaft seat a and the shaft seat b are both provided with oil filling holes, and hole plugs are installed inside the oil filling holes.

[0017] Preferably, a fixing tube is mounted on the top of the mounting tube via a connecting device, and the warning indicator light is mounted on the fixing tube. The connecting device includes a rubber ring, an L-shaped groove, and a clamping block. The rubber ring is mounted within the fixing tube, the L-shaped groove is respectively formed on the fixing tube and the rubber ring, and the clamping block is mounted on the other end of the mounting tube. The other end of the mounting tube is inserted into the rubber ring, the other end of the mounting tube is tightly fitted with the rubber ring, and the clamping block slides into the L-shaped groove.

[0018] Preferably, a clamping device is installed on the clamping block, and the clamping device includes a groove, a spring, a ball and a clamping slot.

[0019] Preferably, the groove is provided in the block, the spring is installed in the groove, the ball is installed on the spring, the slot is provided in the L-shaped slot, and the ball is engaged in the slot.

[0020] Compared with the existing technology, this solution designs a dual-station FPC light strip flux leakage detection machine, which has the following beneficial effects:

[0021] (1) The solution is to place the product in the No. 1 workstation carrier, press the start button to enter the working area, and the module moves and turns on the light source to trigger the camera to take pictures. Then the software analyzes the image and compares the data to distinguish defective products.

[0022] (2) The solution can improve the detection efficiency of FPC light strip flux leakage by setting up a double station on the detection machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the lower frame of the present invention;

[0025] Figure 3 Schematic diagram of the visual inspection system of the present invention;

[0026] Figure 4 Schematic diagram of the lens sleeve of the present invention

[0027] Figure 5 This is a schematic diagram of installing a lamp tube according to the present invention;

[0028] Figure 6 This is a schematic structural diagram of part A of the present invention;

[0029] Figure 7 This is a cross-sectional view of the lamp tube installed in the present invention.

[0030] In the figure: 1 upper frame, 2 lower frame, 3 visual inspection system, 4 feeding motion module; 5 manual code reading station, 6 safety grating, 7 detection display, 8 installation lamp, 9 alarm indicator light, 10 control panel, 11 casters, 12 camera bracket, 13 visual inspection system, 14 line scanning module, 15 adsorption fixture, 16 scanner, 17 control cabinet, 18 feeding button, 19 fixed carrier, 20 camera, 21 lens sleeve, 221 shaft seat a, 222 shaft seat b, 22 lens, 23 light source, 24 fixing plate, 25 fixing hole, 26 oil filling hole, 27 screw hole, 28 connecting plate, 29 screw, 30 hole plug, 31 rotating cavity, 32 ball, 33 fixing cylinder, 34 rubber ring, 35 L-shaped groove, 36 card block, 37 groove, 38 spring, 39 ball, 40 card slot. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figures 1 to 7, a technical solution provided by the present invention: a double-station FPC light strip flux leakage detection machine, including a detection machine body, characterized in that: the detection machine body includes a lower frame 2 and an upper frame 1, the upper frame 1 is assembled on the upper end of the lower frame 2; the upper end of the lower frame 2 is located inside the upper frame 1, and both left and right sides are equipped with a feeding motion module 4, the driving end of the feeding motion module 4 is equipped with a visual detection system 3, and a safety grating 6 is installed on the feeding motion module 4 at the visual detection system 3; the side wall of the lower frame 2 is located at the feeding motion module 4 and is equipped with a manual code reading station 5, and the manual code reading station 5 is equipped with The barcode scanner 16 and the feeding motion module 4 are equipped with an adsorption fixture 15; the driving end of the feeding motion module 4 is equipped with a camera bracket 12, the camera bracket 12 is equipped with a fixed carrier block 19, and the side wall of the fixed carrier block 19 is equipped with a lens sleeve 21; the visual inspection system 13 includes a camera 20, a lens 22 and a light source 23, the lens 22 is installed in the lens sleeve 21, the camera 20 is installed at one end of the lens 22, the light source 23 is installed at the other end of the lens 22, and the light source 23 is equipped with a line scanning module 14; the top of the upper frame 1 is equipped with a mounting lamp tube 8, and the mounting lamp tube 8 is equipped with an alarm indicator light 9.

[0033] 1. The fixture is suitable for placing one light bar, and the maximum compatible detection size is ≤300mm;

[0034] 2. Manual placement

[0035] 3.Customer design requirements:

[0036] 1. Simultaneous detection of two stations; 2. Independent detection of one station;

[0037] 4. Customer demand testing content:

[0038] 1. There must be no flux or tin balls in the yellow area; 2. There must be no tin balls in the white area; 3. The machine has a pass rate of 98%, a false positive rate of less than 2%, and zero miss detection;

[0039] 5.Log file requirements:

[0040] ① The machine will generate a log file every day, and the name will be generated according to the customer's needs or the software will automatically generate the name of the day.

[0041] Save the file for easy query;

[0042] 6. Each inspection time: excluding manual loading and unloading, the cycle time is 7 seconds, UPH=500;

[0043] The upper frame is constructed with 4040 aluminum profiles, the lower frame is 40 square steel pipe welded and painted, and the cover is

[0044] The surface of the cold-rolled hydraulic plate is sprayed with plastic and painted in RAL9003 color. Casters are installed for easy movement. The upper and lower frame doors are made of 4040 industrial aluminum profiles, and the cover is a transparent brown acrylic plate.

[0045] The display is 19.5 inches, which displays the test results and status, and can be adjusted by the camera lens;

[0046] Control cabinets 17 are installed on both sides of the front end of the lower frame 2, and a double-control loading button 18 is installed on the top of the lower frame 2.

[0047] An operation panel 110 is installed at one end of the front side wall of the upper frame 1, and a detection display 7 is installed at the other end of the front side wall of the upper frame 1. The lower end of the detection display 7 is equipped with a keyboard bracket assembly 6. The indicator light is a three-color buzzer indicator, which indicates the operating status, fault status, standby status and product NG alarm. The keyboard table mainly adjusts the parameter setting values of the detection software. Camera: 4K line scan color camera; Lens: 2x telecentric lens; Light source: 30° ring light source; Adsorption fixture: A vacuum generator is used to generate vacuum and connect it to the fixture; Module: High-precision roller screw linear domestic module, servo drive; Control cabinet: Industrial computer + power controller + PLC control components are placed inside; Camera bracket assembly, camera distance and angle adjustable light source bracket, distance and angle adjustable; The barcode scanner uses Honeywell barcode reader, Camera: Eco 4K color line scan camera; Lens: Canrui 2x telecentric lens; Light source: Muran 30° ring light source.

[0048] The bottom end of the lower frame 2 is equipped with casters 11.

[0049] The lens sleeve 22 includes an axle seat a221 and an axle seat b222 that are relatively arranged. The inner walls of the axle seats a221 and b222 are evenly and equidistantly provided with rotation cavities 31 along their axis. Balls 32 are installed inside the rotation cavities 31. Both side walls of the axle seats a221 and b222 are provided with connecting plates 28. The side walls of the connecting plates 28 are provided with screw holes 27. Screws 29 are screwed into the screw holes 27, and the lens can roll in the lens sleeve 22.

[0050] A fixing plate 24 is installed on the rear side wall of the shaft seat a221 and the shaft seat b222. The side wall of the fixing plate 24 is provided with a mounting hole 25. The shaft seat a221 and the shaft seat b221 are installed on the camera bracket 12 through the fixing plate 24.

[0051] The outer walls of the shaft seat a221 and the shaft seat b222 are both provided with an oil filling hole 26 , and a hole plug 30 is installed inside the oil filling hole 26 .

[0052] The top of the mounting lamp tube 8 is mounted with a fixing tube 10 via a connecting device, and the warning indicator light 9 is mounted on the fixing tube 10. The connecting device includes a rubber ring 35, an L-shaped groove 37, and a clamping block 36. The rubber ring 35 is mounted in the fixing tube 10, and the L-shaped groove 37 is respectively provided on the fixing tube 10 and the rubber ring 351. The clamping block 36 is mounted on the other end of the mounting lamp tube 8. The other end of the mounting lamp tube 8 is inserted into the rubber ring 35, and the other end of the mounting lamp tube 8 is tightly fitted with the rubber ring 35. The clamping block 36 slides into the L-shaped groove 35.

[0053] The clamping block 36 is provided with a clamping device, which includes a groove 37 , a spring 38 , a ball 39 and a clamping slot 40 .

[0054] The groove 37 is provided in the block 36, the spring 38 is installed in the groove 37, the ball 39 is installed on the spring 38, the slot 40 is provided in the L-shaped slot 35, the ball 39 is clamped in the slot 40, the rubber ring 35 in the fixing tube 10 is sleeved on the other end of the mounting lamp tube 8, the block 36 slides into the L-shaped slot 35, the fixing tube 10 is screwed so that the block 36 is clamped at the root position of the L-shaped slot 35, and the spring 38 gives the ball 39 an outward force so that the ball 39 is clamped into the slot 40, so that the block 36 is limited in the L-shaped slot 35, so that the fixing tube 10 is tightly connected to the other end of the mounting lamp tube 8.

[0055] Working process and principle: 1. Place the product in the carrier of station No. 1, press start to enter the working area, and the module moves and turns on the light source to trigger the camera to take pictures. Then the software analyzes the imaging pictures and compares the data to distinguish defective products. At the same time, the machine will give an NG alarm for defective products and an ok signal for good products. The module returns to the unloading station to take out the product. The work of station No. 1 is completed, and the same is true for station No. 2. Note: The two stations can be operated at the same time, and the working principle is the same as that of station No. 1.

[0056] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0057] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A dual-station FPC light strip flux leakage detection machine, including a detection machine body, characterized by: The detection machine body comprises a lower frame (2) and an upper frame (1), wherein the upper frame (1) is assembled on the upper end of the lower frame (2); The upper end of the lower frame (2) is located inside the upper frame (1), and both left and right sides are equipped with feeding motion modules (4), the driving end of the feeding motion module (4) is equipped with a visual detection system (3), and the feeding motion module (4) is equipped with a safety grating (6) at the visual detection system (3); The side wall of the lower frame (2) is equipped with a manual code reading station (5) at the feeding motion module (4), the manual code reading station (5) is equipped with a code scanner (16), and the feeding motion module (4) is equipped with an adsorption fixture (15); The driving end of the feeding motion module (4) is equipped with a camera bracket (12), the camera bracket (12) is equipped with a fixed carrier block (19), and the side wall of the fixed carrier block (19) is equipped with a lens sleeve (21); The visual inspection system (13) includes a camera (20), a lens (22) and a light source (23), wherein the lens (22) is installed in a lens sleeve (21), the camera (20) is assembled at one end of the lens (22), the light source (23) is assembled at the other end of the lens (22), and a line scanning module (14) is assembled at the light source (23); The top end of the upper frame (1) is equipped with a mounting lamp tube (8), and an alarm indicator light (9) is installed in the mounting lamp tube (8).

2. The dual-station FPC light bar flux leakage detection machine according to claim 1, characterized in that: Both sides of the front end of the lower frame (2) are equipped with control cabinets (17), and the top of the lower frame (2) is equipped with a double-control loading button (18).

3. The dual-station FPC light bar flux leakage detection machine according to claim 2, characterized in that: An operation panel (10) is mounted on one end of the front side wall of the upper frame (1), a detection display (7) is mounted on the other end of the front side wall of the upper frame (1), and a keyboard bracket assembly (6) is mounted on the lower end of the detection display (7).

4. The dual-station FPC light bar flux leakage detection machine according to claim 1, characterized in that: The bottom end of the lower frame (2) is equipped with casters (11).

5. The dual-station FPC light bar flux leakage detection machine according to claim 1, characterized in that: The lens sleeve (22) comprises an axle seat a (221) and an axle seat b (222) which are arranged opposite to each other. The inner walls of the axle seat a (221) and the axle seat b (222) are provided with rotation cavities (31) evenly and equidistantly along their axes. Balls (32) are installed inside the rotation cavities (31). Both side walls of the axle seat a (221) and the axle seat b (222) are provided with connecting plates (28). The side walls of the connecting plates (28) are provided with screw holes (27), and screws (29) are screwed into the screw holes (27).

6. The dual-station FPC light bar flux leakage detection machine according to claim 5, characterized in that: A fixing plate (24) is installed on the rear side walls of the shaft seat a (221) and the shaft seat b (222), and a mounting hole (25) is opened on the side wall of the fixing plate (24).

7. The dual-station FPC light bar flux leakage detection machine according to claim 6, characterized in that: The outer walls of the shaft seat a (221) and the shaft seat b (222) are both provided with oil filling holes (26), and hole plugs (30) are installed inside the oil filling holes (26).

8. The dual-station FPC light bar flux leakage detection machine according to claim 1, characterized in that: The top end of the mounting lamp tube (8) is mounted with a fixing tube (10) through a connecting device, and the alarm indicator light (9) is mounted on the fixing tube (10). The connecting device includes a rubber ring (35), an L-shaped groove (37) and a clamping block (36). The rubber ring (35) is mounted in the fixing tube (10), the L-shaped groove (37) is respectively opened on the fixing tube (10) and the rubber ring (351), and the clamping block (36) is mounted on the other end of the mounting lamp tube (8). The other end of the mounting lamp tube (8) is inserted into the rubber ring (35), and the other end of the mounting lamp tube (8) is tightly fitted with the rubber ring (35), and the clamping block (36) slides into the L-shaped groove (35).

9. The dual-station FPC light bar flux leakage detection machine according to claim 1, characterized in that: A clamping device is installed on the clamping block (36), and the clamping device includes a groove (37), a spring (38), a ball (39) and a clamping slot (40).

10. The double-station FPC light bar flux leakage detection machine according to claim 9, characterized in that: The groove (37) is provided in the clamping block (36), the spring (38) is installed in the groove (37), the ball (39) is installed on the spring (38), the clamping groove (40) is provided in the L-shaped groove (35), and the ball (39) is clamped in the clamping groove (40).

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