AOI detection equipment

Abstract

The utility model discloses AOI detection equipment which comprises a base, a gantry type conveying track mechanism and an AOI machine head, and a backflow channel is arranged at the bottom of the base. The gantry type conveying rail mechanism is mounted at the top of the base; the AOI machine head is installed on the gantry type conveying rail mechanism. The device can be directly erected on a backflow line body of an existing production line, jig backflow is achieved, work efficiency is improved, certainly, a backflow track mechanism can be arranged in the backflow channel, and through the gantry type conveying track mechanism and the backflow track mechanism which are distributed up and down, jig backflow is achieved, and work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of AOI detection, and more particularly to an AOI detection device. Background Art

[0002] AOI optical inspection systems are high-precision, high-speed electronic component inspection equipment widely used on PCBA production lines in the electronics manufacturing industry. They detect potential issues on circuit boards, such as missing, offset, flipped, misplaced, broken, incorrectly placed, or damaged components. They can also verify correct trace routing, compliance with specifications for trace width, and blockages. In short, AOI optical inspection systems can detect defects, component issues, wiring problems, and other issues on circuit boards, improving the quality and production efficiency of electronic products. They are essential equipment in the SMT production process.

[0003] As PCBA manufacturing processes become increasingly diverse and complex, some PCB designs require the use of jigs / trays for processing, assembly, and testing. Therefore, efficient reflow processing of jigs is extremely important. However, existing AOI inspection equipment lacks reflow jig functionality, resulting in low efficiency.

[0004] Therefore, providing an AOI inspection device is an urgent problem to be solved by those skilled in the art. Utility Model Content

[0005] In view of this, the present invention provides an AOI inspection device to realize a reflow fixture.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An AOI inspection device includes a base, a gantry conveying track mechanism and an AOI head, wherein the bottom of the base is provided with a reflux channel; the gantry conveying track mechanism is installed on the top of the base; and the AOI head is installed on the gantry conveying track mechanism.

[0008] By adopting the above technical solutions, the beneficial effects of the utility model are:

[0009] It can be directly installed on the reflow line of the existing production line to achieve fixture reflow and improve work efficiency.

[0010] Furthermore, it also includes a return track mechanism, which is arranged in the return channel.

[0011] The beneficial effect of adopting the above-mentioned further technical solution is that the gantry conveying track mechanism and the return track mechanism distributed up and down are used to realize the return of the fixture and improve the work efficiency.

[0012] Furthermore, the gantry-type conveying track mechanism includes two sliding support assemblies, a front track, a rear track, a screw drive assembly, two Y-direction motion modules and an X-direction motion module, the two sliding support assemblies are respectively mounted on the left and right sides of the top of the base; the two ends of the front track are respectively mounted on the front sides of the two sliding support assemblies; the rear tracks are respectively mounted on the rear sides of the two sliding support assemblies; a conveying mechanism is installed inside the front track and the rear track; the screw drive assembly is mounted on the two sliding support assemblies to drive the rear track to move forward and backward; the two Y-direction motion modules are respectively mounted on the left and right sides of the top of the base; the two ends of the X-direction motion module are respectively mounted on the two Y-direction motion modules; and the AOI head is mounted on the X-direction motion module.

[0013] Furthermore, each of the sliding support assemblies includes a support frame, a linear slide rail, a front fixed seat, a rear fixed seat and a rear sliding support seat, and the two support frames are respectively mounted on the left and right sides of the top of the base; the linear slide rail is mounted on the top of the support frame; the front fixed seat and the rear fixed seat are respectively mounted on the top of the support frame and are located at the two extended ends of the linear slide rail; the rear sliding support seat is mounted on the side of the linear slide rail close to the rear fixed seat; the two ends of the front rail are respectively mounted on the two front fixed seats; the two ends of the rear rail are respectively mounted on the two rear sliding support seats; the screw drive assembly is mounted on the front fixed seat, the rear fixed seat and the rear sliding support seat to drive the rear sliding support seat to move back and forth on the linear slide rail.

[0014] Furthermore, the screw drive assembly includes a first drive motor, two first screws, two first screw nuts, multiple first synchronous wheels and a first synchronous belt, and the first drive motor is mounted on the rear fixed seat; the two ends of each first screw are respectively rotatably connected to the corresponding front fixed seat and the rear sliding support seat, and the rear end of any first screw passes through the rear sliding support seat and is fixedly connected to the output shaft of the first drive motor; the first screw nut is sleeved on the first screw and is threadedly connected to it and fixedly connected to the rear sliding support seat; the first synchronous wheel is mounted on each first screw; and multiple first synchronous wheels are connected through the first synchronous belt transmission.

[0015] Furthermore, the return track mechanism includes a mounting main board, multiple supporting feet, two front support seats, two screw support seats, two second screws, two fixing plates, two second screw nuts, a front return track, a rear return track, a second drive motor, a driving wheel, a driven wheel, two second synchronous wheels, a transmission belt and a second synchronous belt, and multiple supporting feet are installed at the bottom of the mounting main board; the two front support seats are respectively installed on the left and right sides of the top of the mounting main board; the two screw support seats are respectively installed on the left and right sides of the top of the mounting main board, and the two screw support seats and the two front support seats are distributed in a matrix; the two ends of each second screw are rotatably connected to the front support seat and the screw support seat corresponding to the front and rear positions; the fixing plate is located in front of the screw support seat, and the second screw passes through the The fixing plate; the second screw nut is sleeved on the second screw and threadedly connected to it, and the second screw nut is fixedly connected to the fixing plate; the two ends of the front return track are respectively mounted on the two front support seats; the two ends of the rear return track are respectively mounted on the two fixing plates; a conveying mechanism is installed inside the front return track and the rear return track; the second drive motor is mounted on the top of the mounting main board; the driving wheel is mounted on the output shaft of the second drive motor; the driven wheel is mounted on the end of any second screw close to the second drive motor; the driving wheel and the driven wheel are connected by the transmission belt; the two second synchronous wheels are respectively mounted on the ends of the two second screws away from the driven wheel; the two second synchronous wheels are connected by the second synchronous belt.

[0016] Furthermore, the return track mechanism also includes two linear bearing rods and two linear bearings, and the two ends of each linear bearing rod are respectively installed on the front support seat and the screw support seat, and are distributed parallel to the second screw; each linear bearing is installed on the linear bearing rod and is slidably connected and fixedly connected to the fixed plate.

[0017] Furthermore, a plurality of casters are installed at the bottom of the mounting mainboard.

[0018] Furthermore, the base includes a support plate, multiple front support square tubes, multiple rear support square tubes and multiple footings, and the gantry conveying track mechanism is installed on the top of the support plate; multiple front support square tubes are located in front of the bottom of the support plate and are welded as one; multiple rear support square tubes are located behind the bottom of the support plate and are welded as one, thereby forming the reflux channel between the front support square tubes and the rear support square tubes; multiple footings are respectively installed on the bottom of the front support square tube and the rear support square tube.

[0019] Furthermore, the AOI head includes a head body, a light source support plate, a light source mounting member, a three-color light source, a camera bracket and an industrial camera. The head body is installed on the X-direction motion module; the light source support plate is installed on the top of the head body; the light source mounting member is installed on the top of the light source support plate; the three-color light source is installed on the light source mounting member; the camera bracket is installed on the bottom end of the head body; the industrial camera is installed on the camera bracket, and the industrial lens of the industrial camera is fixed to the light source support plate by a clamp to align with the three-color light source. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0021] Figure 1 The accompanying drawing is a schematic diagram of the overall structure of an AOI inspection device provided by the present invention;

[0022] Figure 2 The accompanying drawing is a schematic structural diagram of the base provided by the utility model;

[0023] Figure 3 The accompanying drawing is a schematic structural diagram of the gantry conveyor track mechanism provided by the present invention;

[0024] Figure 4 The accompanying drawing is a structural schematic diagram of the gantry conveyor track mechanism provided by the present invention from another perspective;

[0025] Figure 5 The accompanying drawing is a schematic structural diagram of the return track mechanism provided by the present invention;

[0026] Figure 6 The accompanying drawing is a structural schematic diagram of the return track mechanism provided by the present invention from another perspective;

[0027] Figure 7 The accompanying drawing is a schematic structural diagram of the AOI head provided by the utility model;

[0028] Figure 8 The accompanying drawing is a structural schematic diagram of the working state of an AOI detection device provided by the present invention. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0030] like Figure 1-8 As shown, the present invention discloses an AOI inspection device comprising a base 1, a gantry conveyor track mechanism 2, and an AOI head 3. The base 1 has a reflow channel at the bottom; the gantry conveyor track mechanism 2 is mounted on the top of the base 1; and the AOI head 3 is mounted on the gantry conveyor track mechanism 2. The present invention can be directly installed on the reflow line of an existing production line, enabling fixture reflow and improving work efficiency.

[0031] Specifically, it also includes a return track mechanism 4, which is arranged in the return channel. Through the upper and lower distribution of the gantry conveyor track mechanism 2 and the return track mechanism 4, the fixture return is realized, thereby improving work efficiency. In addition, the gantry conveyor track mechanism 2 and the return track mechanism 4 are two independent parts. When the return is not required, the gantry conveyor track mechanism 2 can still operate normally. Of course, the return track mechanism 4 is an optional mechanism and can be used according to needs.

[0032] Specifically, the gantry conveyor track mechanism 2 includes two sliding support assemblies 21, a front rail 22, a rear rail 23, a screw drive assembly 24, two Y-direction motion modules 25, and an X-direction motion module 26. The two sliding support assemblies 21 are mounted on the left and right sides of the top of the base 1, respectively; the ends of the front rail 22 are mounted on the front sides of the two sliding support assemblies 21, respectively; the rear rail 23 is mounted on the rear sides of the two sliding support assemblies 21, respectively; the screw drive assembly 24 is mounted on the two sliding support assemblies 21 to drive the rear rail 23 to move forward and backward; the two Y-direction motion modules 25 are mounted on the left and right sides of the top of the base 1, respectively; the ends of the X-direction motion module 26 are mounted on the two Y-direction motion modules 25, respectively; and the AOI head 3 is mounted on the X-direction motion module 26. In this embodiment, the X-direction motion module 26 and the Y-direction motion module 25 are both conventional motion modules, and their specific structures are not further described here.

[0033] Specifically, each sliding support assembly 21 includes a support frame 211, a linear slide rail 212, a front fixed seat 213, a rear fixed seat 214 and a rear sliding support seat 215, and the two support frames 211 are respectively mounted on the left and right sides of the top of the base 1; the linear slide rail 212 is mounted on the top of the support frame 211; the front fixed seat 213 and the rear fixed seat 214 are respectively mounted on the top of the support frame 211 and located at the two extended ends of the linear slide rail 212; the rear sliding support seat 215 is mounted on the side of the linear slide rail 212 close to the rear fixed seat 214; the two ends of the front rail 22 are respectively mounted on the two front fixed seats 213; the two ends of the rear rail 23 are respectively mounted on the two rear sliding support seats 215; a conveying mechanism is installed inside the front rail 22 and the rear rail 23; the screw drive assembly 24 is mounted on the front fixed seat 213, the rear fixed seat 214 and the rear sliding support seat 215 to drive the rear sliding support seat 215 to move back and forth on the linear slide rail 212.

[0034] Specifically, the screw drive assembly 24 includes a first drive motor 241, two first screw rods 242, two first screw nuts 243, multiple first synchronous wheels 244 and a first synchronous belt 245. The first drive motor 241 is installed on the rear fixed seat 214; the two ends of each first screw rod 242 are respectively rotatably connected to the corresponding front fixed seat 213 and the rear sliding support seat 215, and the rear end of any first screw rod 242 passes through the rear sliding support seat 215 and is fixedly connected to the output shaft of the first drive motor 2421; the first screw nut 243 is sleeved on the first screw rod 242 and is threadedly connected to it and fixedly connected to the rear sliding support seat 215; each first screw rod 242 is installed with a first synchronous wheel 244; multiple first synchronous wheels 244 are connected through the first synchronous belt 245. When the first drive motor 241 is running, under the action of the first synchronous wheel 244 and the first synchronous belt 245, the two first screw rods 242 rotate synchronously, thereby driving the rear sliding support seat 215 to move along the linear slide rail 212 to adjust the distance between the front rail 22 and the rear rail 23.

[0035] Specifically, the return track mechanism 4 includes a mounting main board 41, multiple supporting feet 42, two front support seats 43, two screw support seats 44, two second screws 45, two fixing plates 46, two second screw nuts 47, a front return track 48, a rear return track 49, a second drive motor 410, a driving wheel 411, a driven wheel 412, two second synchronous wheels 413, a transmission belt 414 and a second synchronous belt 415. Multiple supporting feet 42 are installed at the bottom of the mounting main board 41; the two front support seats 43 are respectively installed on the left and right sides of the top of the mounting main board 41; the two screw support seats 44 are respectively installed on the left and right sides of the top of the mounting main board 41, and the two screw support seats 44 and the two front support seats 43 are distributed in a matrix; the two ends of each second screw 45 are rotatably connected to the front support seat 43 and the screw support seat 44 corresponding to the front and rear positions; the fixing plate 46 is located in front of the screw support seat 44 The second screw rod 45 passes through the fixed plate 46; the second screw rod nut 47 is sleeved on the second screw rod 45 and threadedly connected to it, and the second screw rod nut 47 is fixedly connected to the fixed plate 46; the two ends of the front return track 48 are respectively mounted on the two front support seats 43; the two ends of the rear return track 49 are respectively mounted on the two fixed plates 46; a conveying mechanism is installed inside the front return track 48 and the rear return track 49; the second drive motor 410 is mounted on the top of the mounting main board 41; the driving wheel 411 is mounted on the output shaft of the second drive motor 410; the driven wheel 412 is mounted on the end of any second screw rod 45 close to the second drive motor 410; the driving wheel 411 and the driven wheel 412 are connected by a transmission belt 414; the two second synchronous wheels 413 are respectively mounted on the ends of the two second screw rods 45 away from the driven wheel 412; the two second synchronous wheels 413 are connected by a second synchronous belt 415. When the second drive motor 410 is running, it drives the driving wheel 411 to rotate. Under the action of the transmission belt 414, the driven wheel 412 rotates, and one of the second screw rods 45 rotates. At the same time, under the action of the second synchronous wheel 413 and the second synchronous belt 415, the two second screw rods 45 rotate synchronously to drive the rear return track 49 to move along the second screw rod 45 to adjust the distance between the front return track 48 and the rear return track 49.

[0036] Specifically, the return track mechanism 4 also includes two linear bearing rods 416 and two linear bearings 417. The two ends of each linear bearing rod 416 are respectively installed on the front support seat 43 and the screw support seat 44, and are distributed parallel to the second screw rod 45; each linear bearing 417 is installed on the linear bearing rod 416 for sliding connection and fixedly connected to the fixed plate 46.

[0037] In order to further optimize the technical solution of the present invention, a plurality of casters 418 are installed at the bottom of the mounting main board 41 for easy movement.

[0038] Specifically, the base 1 includes a support plate 11, multiple front support square tubes 12, multiple rear support square tubes 13 and multiple footings 14. The gantry conveyor track mechanism 2 is installed on the top of the support plate 11; the multiple front support square tubes 12 are located in front of the bottom of the support plate 11 and are welded as one; the multiple rear support square tubes 13 are located behind the bottom of the support plate 11 and are welded as one, thereby forming a reflux channel between the front support square tubes 12 and the rear support square tubes 13; the multiple footings 14 are respectively installed at the bottom of the front support square tubes 12 and the rear support square tubes 13.

[0039] Specifically, the AOI head 3 includes a head body 31, a light source support plate 32, a light source mounting member 33, a three-color light source 34, a camera bracket 35 and an industrial camera 36. The head body 31 is installed on the X-direction motion module 26; the light source support plate 32 is installed on the top of the head body 31; the light source mounting member 33 is installed on the top of the light source support plate 32; the three-color light source 34 is installed on the light source mounting member 33; the camera bracket 35 is installed on the bottom end of the head body 31; the industrial camera 36 is installed on the camera bracket 35, and the industrial lens 361 of the industrial camera 36 is fixed to the light source support plate 32 by a clamp 37 to align with the three-color light source 34.

[0040] Specifically, the AIO detection device further includes an electronic control component for controlling the first drive motor 241 and the second drive motor 410 .

[0041] Specifically, an outer cover assembly is provided around the outside of the A0 I detection equipment to protect it.

[0042] Specifically, the conveying mechanisms installed inside the front track 22 , the rear track 23 , the front return track 48 , and the rear return track 49 are all prior art and will not be described in detail herein.

[0043] The working process of this utility model:

[0044] When the utility model is in operation, it can be used in conjunction with a front-end elevator 5 and a rear-end elevator 6, which are placed at the front and rear ends of the AOI inspection equipment, respectively. The jig carrying the PCB is transported from the front-end elevator 5 to the gantry conveyor track mechanism 2 of the AOI inspection equipment, and then transported to the rear-end elevator 6. The jig is removed, passes through the rear-end elevator 6, and then descends and returns to the return track mechanism 4 of the AOI inspection equipment. It is then transported to the front-end elevator 5. The front-end elevator 5 raises the jig until it is flush with the upper track of the gantry conveyor track mechanism 2. The PCB is then loaded and enters the upper track of the gantry conveyor track mechanism 2. This cycle is repeated over and over again.

[0045] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Reference can be made to the common and similar parts between the various embodiments. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the method description.

[0046] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An AOI inspection device, characterized in that: It includes a base, a gantry-type conveying track mechanism and an AOI head. The bottom of the base is provided with a reflux channel; the gantry-type conveying track mechanism is installed on the top of the base; and the AOI head is installed on the gantry-type conveying track mechanism.

2. The AOI inspection equipment according to claim 1, characterized in that: It also includes a return track mechanism, which is arranged in the return channel.

3. The AOI inspection equipment according to claim 1 or 2, characterized in that: The gantry-type conveying track mechanism includes two sliding support assemblies, a front track, a rear track, a screw drive assembly, two Y-direction motion modules and an X-direction motion module. The two sliding support assemblies are respectively mounted on the left and right sides of the top of the base; the two ends of the front track are respectively mounted on the front sides of the two sliding support assemblies; the rear tracks are respectively mounted on the rear sides of the two sliding support assemblies; a conveying mechanism is installed inside the front track and the rear track; the screw drive assembly is mounted on the two sliding support assemblies to drive the rear tracks to move back and forth; the two Y-direction motion modules are respectively mounted on the left and right sides of the top of the base; the two ends of the X-direction motion module are respectively mounted on the two Y-direction motion modules; and the AOI head is mounted on the X-direction motion module.

4. The AOI inspection equipment according to claim 3, characterized in that: Each of the sliding support assemblies includes a support frame, a linear slide rail, a front fixed seat, a rear fixed seat and a rear sliding support seat, and the two support frames are respectively mounted on the left and right sides of the top of the base; the linear slide rail is mounted on the top of the support frame; the front fixed seat and the rear fixed seat are respectively mounted on the top of the support frame and are located at the two extended ends of the linear slide rail; the rear sliding support seat is mounted on the side of the linear slide rail close to the rear fixed seat; the two ends of the front rail are respectively mounted on the two front fixed seats; the two ends of the rear rail are respectively mounted on the two rear sliding support seats; the screw drive assembly is mounted on the front fixed seat, the rear fixed seat and the rear sliding support seat to drive the rear sliding support seat to move back and forth on the linear slide rail.

5. The AOI inspection equipment according to claim 4, characterized in that: The screw drive assembly includes a first drive motor, two first screws, two first screw nuts, multiple first synchronous wheels and a first synchronous belt. The first drive motor is mounted on the rear fixed seat; the two ends of each first screw are rotatably connected to the corresponding front fixed seat and the rear sliding support seat, and the rear end of any first screw passes through the rear sliding support seat and is fixedly connected to the output shaft of the first drive motor; the first screw nut is sleeved on the first screw and is threadedly connected to it and fixedly connected to the rear sliding support seat; the first synchronous wheel is mounted on each first screw; multiple first synchronous wheels are connected through the first synchronous belt transmission.

6. The AOI inspection equipment according to claim 2, characterized in that: The return track mechanism includes a mounting main board, multiple supporting feet, two front support seats, two screw support seats, two second screws, two fixing plates, two second screw nuts, a front return track, a rear return track, a second drive motor, a driving wheel, a driven wheel, two second synchronous wheels, a transmission belt and a second synchronous belt, and multiple supporting feet are installed at the bottom of the mounting main board; the two front support seats are respectively installed on the left and right sides of the top of the mounting main board; the two screw support seats are respectively installed on the left and right sides of the top of the mounting main board, and the two screw support seats and the two front support seats are distributed in a matrix; the two ends of each second screw are rotatably connected to the front support seat and the screw support seat corresponding to the front and rear positions; The fixing plate is located in front of the screw support seat, and the second screw passes through the fixing plate; the second screw nut is sleeved on the second screw and threadedly connected to it, and the second screw nut is fixedly connected to the fixing plate; the two ends of the front return track are respectively mounted on the two front support seats; the two ends of the rear return track are respectively mounted on the two fixing plates; a conveying mechanism is installed inside the front return track and the rear return track; the second drive motor is mounted on the top of the mounting main board; the driving wheel is mounted on the output shaft of the second drive motor; the driven wheel is mounted on the end of any second screw close to the second drive motor; the driving wheel and the driven wheel are connected by the transmission belt; the two second synchronous wheels are respectively mounted on the ends of the two second screws away from the driven wheel; the two second synchronous wheels are connected by the second synchronous belt.

7. The AOI inspection equipment according to claim 6, characterized in that: The return track mechanism also includes two linear bearing rods and two linear bearings. The two ends of each linear bearing rod are respectively installed on the front support seat and the screw support seat, and are distributed parallel to the second screw; each linear bearing is installed on the linear bearing rod for sliding connection and fixedly connected to the fixed plate.

8. The AOI inspection equipment according to claim 6 or 7, characterized in that: A plurality of casters are installed at the bottom of the mounting mainboard.

9. The AOI inspection equipment according to claim 1, characterized in that: The base includes a support plate, a plurality of front support square tubes, a plurality of rear support square tubes and a plurality of feet, and the gantry conveying track mechanism is installed on the top of the support plate; the plurality of front support square tubes are located in front of the bottom of the support plate and are welded together; the plurality of rear support square tubes are located behind the bottom of the support plate and are welded together, thereby forming the reflux channel between the front support square tubes and the rear support square tubes; A plurality of the footings are respectively installed on the bottom of the front supporting square tube and the bottom of the rear supporting square tube.

10. The AOI inspection equipment according to claim 3, characterized in that: The AOI head includes a head body, a light source support plate, a light source mounting member, a three-color light source, a camera bracket and an industrial camera. The head body is installed on the X-direction motion module; the light source support plate is installed on the top of the head body; the light source mounting member is installed on the top of the light source support plate; the three-color light source is installed on the light source mounting member; the camera bracket is installed on the bottom end of the head body; the industrial camera is installed on the camera bracket, and the industrial lens of the industrial camera is fixed to the light source support plate by a clamp to align with the three-color light source.

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