CN213068682U

CN213068682U - Automatic detect BGA rosin joint empty solder joint detection device

Info

Publication number: CN213068682U
Application number: CN202020983888.6U
Authority: CN
Inventors: 陈近刚
Original assignee: Shenzhen Zhicheng Jingzhan Technology Co ltd
Current assignee: Shenzhen Zhicheng Jingzhan Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-27
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses an automatic detect BGA rosin joint air welding bridging detection device, including outer container and installation pole. X ray imaging equipment (2) is installed to top surface in outer container (1), and outer container (1) inner wall fixed mounting has spout (14) to sliding connection has installation pole (15) between spout (14), in spout (14) are stretched into at installation pole (15) both ends, and install that fixed connection has trachea (12) is run through on pole (15) surface to trachea (12) bottom surface through connection has shower nozzle (13), spout (14) are inside to rotate along spout (14) length direction and are connected with screw rod (6), and screw rod (6) run through installation pole (15) both ends and with installation pole (15) both ends threaded connection. Has the advantages that: the utility model discloses alleviateed the contrast degree of difficulty of the picture that later stage X ray imaging equipment shot, alleviateed staff's the degree of difficulty of seeking, simultaneously, clear away the part of air-splice and rosin joint when detecting, very big has made things convenient for the post processing.

Description

Automatic detect BGA rosin joint empty solder joint detection device

Technical Field

The utility model relates to a BGA technical field particularly, relates to an automatic detect BGA rosin joint empty solder joint detection device.

Background

The BGA is a Ball Grid Array (BGA), an Array solder Ball is manufactured at the bottom of a packaging body substrate and used as an I/O end of a circuit to be connected with a Printed Circuit Board (PCB), a device packaged by the technology is a surface mounting device, the BGA is widely applied to welding of a circuit board and a chip, the phenomena of insufficient soldering, empty soldering and soldering are generally generated in the welding process, and the inspection is required in time.

Traditional detection mode adopts the X-ray to shoot and detects, mark by the staff again, because rosin joint, the position of empty solder joint and bridging is often more, the staff need carefully investigate each point, the investigation degree of difficulty is big, the operation is complicated, can still further go forward, simultaneously, traditional mount table is by electric drive, there is the metal article inevitable, can be disturbed X-ray, the picture that causes the shooting has the shadow, probably can shelter from the position structure, thereby increase and discern and mark the degree of difficulty, can further make the improvement.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an automatic detect BGA rosin joint solder joint detection device possesses the advantage that alleviates the staff and seeks the degree of difficulty, be convenient for post processing, improved imaging quality, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realize above-mentioned alleviate the staff and seek the degree of difficulty, be convenient for post processing, improved imaging quality's advantage, the utility model discloses a concrete technical scheme as follows:

a detection device for automatically detecting BGA rosin joint solder joint comprises an outer box and an installation rod, wherein X-ray imaging equipment is installed on the inner top surface of the outer box, a chute is fixedly installed on the inner wall of the outer box, the installation rod is connected between the chutes in a sliding mode, two ends of the installation rod extend into the chute, a gas pipe is fixedly connected to the surface of the installation rod in a penetrating mode, a spray head is connected to the bottom surface of the gas pipe in a penetrating mode, a screw rod is rotatably connected to the inside of the chute in the length direction and penetrates through two ends of the installation rod and is in threaded connection with two ends of the installation rod, a driving motor is fixedly installed on the back vertical surface of the outer box corresponding to one end of the screw rod, the output end of the driving motor is fixedly connected with one end of the screw rod, an air pump is fixedly installed on the top surface of the outer box, a flow dividing pipe is connected to the top surface, the movable plate is connected to the inner top surface of the outer box in a sliding mode, the mounting plate is fixedly connected to the inner side surface of the movable plate, second handle bolts are connected to the two sides of the outer box in a penetrating mode through threads and are rotatably connected with the outer surface of the movable plate through rotating connectors, first handle bolts are connected to the top surface of the mounting plate in a penetrating mode through threads, the bottom surface of each first handle bolt is fixedly connected with a pressing plate, and the front vertical surface of the outer box is hinged to a box door.

Furthermore, the first handle bolt, the second handle bolt, the moving plate, the mounting plate and the pressing plate are all made of hard plastic materials.

Furthermore, the pressing plate is a circular plate, and a rubber pad is adhered to the bottom surface of the pressing plate.

Further, the spout leads to long the setting along outer container width direction, and the spout inner wall is smooth structure.

Furthermore, a controller is embedded in the vertical surface of the box door, and the output end of the controller is electrically connected with the input end of the driving motor.

Furthermore, the spring hose is long enough, and the spring hose is made of non-metal materials.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic detect BGA rosin joint empty solder joint detection device possesses following beneficial effect:

(1) the utility model discloses an air pump, the shunt tubes, the shower nozzle, the installation pole, spout and actuating motor, put the circuit board in outer incasement bottom surface top, be located between the movable plate, rotate second handle bolt, promote the clamp plate to be located circuit board edge top, then rotate first handle bolt and promote the clamp plate to compress tightly the circuit board downwards, thereby fixed circuit board, after closing the case door, actuating motor drives the screw rod and rotates, the screw rod drives threaded connection's installation pole and removes in the spout, simultaneously, the air pump pours into high-pressure gas into, spout from the shower nozzle through the shunt tubes, carry out high-pressure gas stream to the circuit board surface and erode, blow off the part of air-welded and the part of rosin joint, thereby found out the position of air-welded and rosin joint rapidly, alleviateed the contrast degree of difficulty of the picture that later stage X ray imaging equipment shot, alleviateed staff's the seeking degree of difficulty, simultaneously, clear away the, greatly facilitating the post-processing.

(2) The utility model discloses first handle bolt, second handle bolt, movable plate, mounting panel and clamp plate, first handle bolt, second handle bolt, movable plate, mounting panel and clamp plate are the duroplastic material, reduce the interference to the X-ray, make the picture of shooting more clear, have improved the imaging quality, the staff of being convenient for identification and mark.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a detection device for automatically detecting the empty solder joint of BGA according to the present invention;

FIG. 2 is a front view of a device for automatically detecting solder joint empty solder joint of BGA of the present invention;

fig. 3 is a top view of the device for automatically detecting solder joint empty solder joint of BGA.

In the figure:

1. an outer box; 2. an X-ray imaging device; 3. a shunt tube; 4. an air pump; 5. a spring hose; 6. a screw; 7. a first handle bolt; 8. a second handle bolt; 9. moving the plate; 10. mounting a plate; 11. pressing a plate; 12. an air tube; 13. a spray head; 14. a chute; 15. mounting a rod; 16. a box door; 17. a controller; 18. the motor is driven.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an automatic detect BGA rosin joint empty solder joint detection device.

Referring now to the drawings and the detailed description, the present invention will be further described, as shown in fig. 1-3, an automatic detection apparatus for BGA rosin joint solder joint according to an embodiment of the present invention comprises an outer case 1 and a mounting rod 15, wherein an X-ray imaging device 2 is mounted on an inner top surface of the outer case 1, which is a common detection device in the art and will not be described herein, a chute 14 is fixedly mounted on an inner wall of the outer case 1, a mounting rod 15 is slidably connected between the chute 14, two ends of the mounting rod 15 extend into the chute 14, a plurality of air pipes 12 are fixedly connected to a surface of the mounting rod 15, a plurality of air pipes 12 are arranged side by side, a nozzle 13 is connected to a bottom surface of each air pipe 12, a screw 6 is rotatably connected to an inner portion of the chute 14 along a length direction of the chute 14, the screw 6 penetrates through two ends of the mounting rod 15 and is in threaded connection with two ends of the mounting rod 15, a driving motor 18 is fixedly mounted, and the output end of the driving motor 18 is fixedly connected with one end of the screw 6, which is a common screw structure and will not be described in more detail herein, the driving motor 18 drives the screw 6 to rotate, so as to drive the mounting rod 15 to move inside the outer box 1, the driving motor 18 adopts a servo motor, the top surface of the outer box 1 is fixedly provided with the air pump 4, the top surface of the air pipe 12 is connected with the shunt pipe 3 in a penetrating way, one end of the shunt pipe 3 is positioned inside the outer box 1 and is connected with the spring hose 5 in a penetrating way, so that the deformation is convenient, the mounting rod 15 can not be affected when moving, the other end of the spring hose 5 penetrates through the top surface of the outer box 1 and is connected with the air outlet end of the air pump 4, the top surface inside the outer box 1 is connected with the movable plate 9 in a sliding way, the mounting plate 10 is fixedly connected with the inner, the rotary connecting piece is a universal plastic axial rotary connecting part, is a common connecting shaft part and is not described in detail herein, the top surface of the mounting plate 10 is connected with a first handle bolt 7 through a thread, the bottom surface of the first handle bolt 7 is fixedly connected with a pressing plate 11, the front vertical surface of the outer box 1 is hinged with a box door 16, the circuit board is placed above the inner bottom surface of the outer box 1 and between the moving plates 9, the second handle bolt 8 is rotated to push the pressing plate 11 to be positioned above the edge of the circuit board, then the first handle bolt 7 is rotated to push the pressing plate 11 downwards to press the circuit board, thereby fixing the circuit board, after the box door 16 is closed, the driving motor 18 drives the screw rod 6 to rotate, the screw rod 6 drives the mounting rod 15 in threaded connection with the screw rod to move in the chute 14, meanwhile, the air pump 4 injects high-pressure air to be sprayed out from, blow the part of empty solder joint and the part of rosin joint off to find out the position of empty solder joint and rosin joint rapidly, alleviateed the contrast degree of difficulty of the picture that later stage X ray imaging equipment 2 shot, alleviateed staff's the degree of difficulty of seeking, simultaneously, clear away the part of empty solder joint and rosin joint when detecting, very big make things convenient for the post processing.

In one embodiment, the first handle bolt 7, the second handle bolt 8, the moving plate 9, the mounting plate 10 and the pressing plate 11 are made of hard plastic materials, so that interference to X-rays is reduced, a shot picture is clearer, imaging quality is improved, and identification and marking of workers are facilitated.

In one embodiment, the pressing plate 11 is a circular plate, and a rubber pad is adhered to the bottom surface of the pressing plate 11, and the rubber pad plays a role in buffering, so that the pressing plate 11 is prevented from damaging the circuit board.

In one embodiment, the sliding slot 14 is disposed along the width direction of the outer box 1, and the inner wall of the sliding slot 14 is a smooth structure, so that the two ends of the mounting rod 15 can slide in the sliding slot 14.

In one embodiment, the controller 17 is embedded in the front vertical surface of the box door 16, and the output end of the controller 17 is electrically connected to the input end of the driving motor 18, which is a common control connection structure and will not be described herein.

In one embodiment, the spring tube 5 is long enough, and the spring tube 5 is made of non-metal material, so as to reduce the interference to the movement of the mounting rod 15 and the interference to the X-ray.

The working principle is as follows:

when the device is used, the circuit board is placed above the inner bottom surface of the outer box 1 and positioned between the movable plates 9, the second handle bolt 8 is rotated to push the pressing plate 11 to be positioned above the edge of the circuit board, then the first handle bolt 7 is rotated to push the pressing plate 11 downwards to press the circuit board, so as to fix the circuit board, after the box door 16 is closed, the driving motor 18 drives the screw rod 6 to rotate, the screw rod 6 drives the mounting rod 15 in threaded connection with the screw rod to move in the chute 14, meanwhile, the air pump 4 injects high-pressure gas to be sprayed out of the spray head 13 through the flow dividing pipe 3 to wash the surface of the circuit board with high-pressure airflow, blow off the parts which are subjected to air welding and false welding, so as to quickly find out the positions of the air welding and the false welding, reduce the comparison difficulty of pictures shot by the X-ray imaging equipment 2 at the later stage, reduce the searching difficulty of workers, the great post processing that has made things convenient for, simultaneously, first handle bolt 7, second handle bolt 8, movable plate 9, mounting panel 10 and clamp plate 11 are the duroplastic material, reduce the interference to the X-ray, make the picture of shooing more clear, have improved the imaging quality, the staff of being convenient for identification and mark.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic detect BGA rosin joint empty solder bonding detection device, its characterized in that, includes outer container (1) and installation pole (15), X ray imaging equipment (2) are installed to the top surface in outer container (1), and outer container (1) inner wall fixed mounting has spout (14), and sliding connection has installation pole (15) between spout (14), installation pole (15) both ends stretch into spout (14), and install pole (15) surface through fixedly connected with trachea (12), and trachea (12) bottom surface through connection has shower nozzle (13), spout (14) inside is rotated along spout (14) length direction and is connected with screw rod (6), and screw rod (6) run through installation pole (15) both ends and with installation pole (15) both ends threaded connection, outer container (1) dorsal facade corresponds screw rod (6) one end position fixed mounting has drive motor (18), the output end of a driving motor (18) is fixedly connected with one end of a screw rod (6), an air pump (4) is fixedly installed on the top surface of the outer box (1), the top surface of the air pipe (12) is connected with a shunt pipe (3) in a penetrating manner, one end of the shunt pipe (3) is located inside the outer box (1) and is connected with a spring hose (5) in a penetrating manner, the other end of the spring hose (5) penetrates through the top surface of the outer box (1) and is connected with the air outlet end of the air pump (4) in a penetrating manner, a movable plate (9) is connected to the inner top surface of the outer box (1) in a sliding manner, a mounting plate (10) is fixedly connected to the inner side surface of the movable plate (9), second handle bolts (8) are connected to the two sides of the outer box (1) in a penetrating manner through threads, the second handle, and the bottom surface of the first handle bolt (7) is fixedly connected with a pressing plate (11), and the right vertical surface of the outer box (1) is hinged with a box door (16).

2. The device for automatically detecting the solder joint empty soldering of BGA according to claim 1, wherein the first handle bolt (7), the second handle bolt (8), the moving plate (9), the mounting plate (10) and the pressing plate (11) are made of hard plastic.

3. The device for automatically detecting the solder empty bonding of BGA as claimed in claim 1, wherein the pressing plate (11) is a circular plate, and a rubber pad is adhered to a bottom surface of the pressing plate (11).

4. The device for automatically detecting solder joint of BGA according to claim 1, wherein the sliding groove (14) is disposed along the width direction of the outer case (1), and the inner wall of the sliding groove (14) is of a smooth structure.

5. The apparatus as claimed in claim 1, wherein the controller (17) is embedded in the vertical surface of the box door (16), and the output terminal of the controller (17) is electrically connected to the input terminal of the driving motor (18).

6. The device for automatically detecting the solder joint empty soldering of BGA as claimed in claim 1, wherein the spring tube (5) is long enough, and the spring tube (5) is made of non-metal material.