CN212989208U

CN212989208U - Circuit board detecting system based on X-RAY

Info

Publication number: CN212989208U
Application number: CN202021787055.9U
Authority: CN
Inventors: 徐钻
Original assignee: Sxray Optical Shenzhen Co ltd
Current assignee: Sxray Optical Shenzhen Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-04-16
Anticipated expiration: 2030-08-22

Abstract

The application relates to the field of X-RAY application equipment, in particular to a circuit board detection system based on X-RAY, which has the technical scheme that: the X-ray radiation device comprises a workbench, a mounting frame and an X-ray emission device, wherein the workbench is horizontally arranged, the mounting frame is arranged above the workbench, and the mounting frame is provided with a protective cover; the X-ray emitting device is connected with the mounting frame through a bolt and is positioned in the protective cover; the upper side of the protective cover is provided with a taking and placing opening, and the size of the taking and placing opening is larger than the vertical projection size of the X-ray emission device; the upper side of the protective cover is detachably connected with a cover plate for opening and closing the taking and placing opening; the lower side of the protective cover and the workbench form a gap. The detection system is convenient for maintenance or replacement of the X-ray emitting device by workers, and has a good detection effect.

Description

Circuit board detecting system based on X-RAY

Technical Field

The application relates to the field of X-RAY application equipment, in particular to a circuit board detection system based on X-RAY.

Background

Most of circuit boards on the market at present are of a multilayer structure, and an X-ray detector is generally used for detecting the adaptation conditions between internal wires and through holes of the circuit board, between component pads and through holes, and between through holes and through holes.

The X-ray detector mainly comprises a workbench, a mounting rack, an image receiving device and an X-ray emitting device, wherein the mounting rack and the image receiving device are arranged at intervals, and the X-ray emitting device is mounted on the mounting rack and used for emitting X-rays towards the image receiving device; meanwhile, a cover body for covering the X-ray emitting device is also arranged on the mounting frame; the workbench is positioned between the X-ray tube and the image receiving device and used for placing the circuit board.

In the long-term use of the apparatus, it is inevitable to maintain or replace the X-ray emitting device, and with the X-ray detector in the related art, the worker needs to remove the cover body and then detach the X-ray emitting device for maintenance and replacement, and the inventor thinks that it is inconvenient to maintain or replace the X-ray emitting device.

Disclosure of Invention

In order to facilitate maintenance or replacement of the X-RAY emitting device, the application provides a circuit board detection system based on X-RAY.

The X-RAY-based circuit board detection system adopts the following technical scheme:

a circuit board detection system based on an X-RAY comprises a workbench, a mounting rack and an X-RAY emission device, wherein the workbench is horizontally arranged, the mounting rack is arranged above the workbench, and the mounting rack is provided with a protective cover; the X-ray emitting device is connected with the mounting frame through a bolt, and the X-ray emitting device is positioned in the protective cover; the upper side of the protective cover is provided with a taking and placing opening, and the size of the taking and placing opening is larger than the vertical projection size of the X-ray emission device; the upper side of the protective cover is detachably connected with a cover plate for opening and closing the taking and placing opening; a gap is formed between the lower side of the protective cover and the workbench.

Through adopting above-mentioned technical scheme, will get the apron of putting mouthful department and demolish to get the mouth through getting and remove the bolted connection between X light emitting device and the mounting bracket, then can utilize to get and put the mouth and take out X light emitting device from the protection casing, realize the dimension to X light emitting device conveniently and protect or change.

Preferably, the mounting rack is horizontally provided with a mounting plate, the mounting plate is provided with a placing hole, and the size of the placing hole is larger than the size of the vertical projection of the X-ray emission device; the two opposite sides of the X-ray emission device are provided with connecting plates, the lower surfaces of the connecting plates are abutted against the upper surfaces of the mounting plates, and the connecting plates are connected with the mounting plates through bolts.

Through adopting above-mentioned technical scheme, the connecting plate lower surface offsets with the mounting panel upper surface, plays the bearing effect to X light emitting device, simultaneously, uses the bolt to be connected the connecting plate with the mounting panel, realizes dismantling between X light emitting device and the mounting bracket and is connected.

Preferably, the connecting plate is provided with a kidney-shaped hole for a bolt to pass through.

Through adopting above-mentioned technical scheme, using the bolt to carry out the in-process of installing to connecting plate and mounting panel, the setting up in waist shape hole makes the staff can carry out moderate adjustment to the position of connecting plate and mounting panel according to actual conditions to improve overall structure's suitability.

Preferably, the lower side of the taking and placing opening is provided with a butting ring edge, and the edge of the lower surface of the cover plate is butted against the upper surface of the butting ring edge.

Through adopting above-mentioned technical scheme, use the butt ring edge to carry out the butt to the apron, be convenient for realize the apron and get the location between the access hole to make the apron can play good sealing to getting the access hole.

Preferably, the downside of protection casing is equipped with the opening, the lateral wall of protection casing is equipped with transparent observation window.

By adopting the technical scheme, the opening of the protective cover is convenient for the X-ray emitted by the X-ray emitting device to irradiate the circuit board on the workbench; meanwhile, in the detection process, the staff can check the detection position of the circuit board through the transparent observation window and the opening.

Preferably, still including locating the image receiving device of workstation below, the workstation is equipped with the lift drive assembly, the lift drive assembly is used for driving the image receiving device and moves along vertical direction.

Through adopting above-mentioned technical scheme, use the lift drive subassembly can adjust image receiving arrangement's vertical height, in the testing process to the circuit board, if the image undersize that obtains detects is not convenient for look over, accessible lift drive subassembly drive image receiving arrangement descends to obtain bigger image and look over.

Preferably, the lifting driving assembly comprises a screw rod sliding table and a driving motor, the screw rod sliding table is connected to the workbench along the vertical direction, a sliding block of the screw rod sliding table is connected with a lifting plate, and the image receiving device is arranged on the lifting plate; the driving motor is arranged at one end of the screw rod sliding table and used for driving a screw rod of the screw rod sliding table to rotate.

Through adopting above-mentioned technical scheme, driving motor drive lead screw of lead screw slip table rotates to the slider of drive lead screw slip table moves along vertical direction, and utilizes being connected between lifter plate and slider, the image receiving device, can play the effect of the vertical motion of drive image receiving device.

Preferably, a coupling is connected between an output shaft of the driving motor and a screw rod of the screw rod sliding table.

Through adopting above-mentioned technical scheme, use the output shaft of coupling joint driving motor and the lead screw of lead screw slip table, reducible mounting error exists between driving motor and the lead screw slip table and influences the condition of moment of torsion transmission.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the installation of the X-ray emitting device and the mounting bracket in the embodiment of the present application.

Fig. 4 is a partial sectional view for showing a mounting structure between the X-ray emitting device, the mounting bracket, and the shield in the embodiment of the present application.

Fig. 5 is a schematic diagram for showing a mounting structure of a protective cover and a cover plate in the embodiment of the present application.

Description of reference numerals: 1. a frame; 2. a work table; 21. a through hole; 3. a mounting frame; 31. mounting a plate; 311. placing holes; 32. a protective cover; 321. an opening; 322. a transparent viewing window; 323. a taking and placing port; 3231. the ring edge is abutted; 324. a cover plate; 4. an X-ray emitting device; 41. an outer case; 411. a connecting plate; 4111. a waist-shaped hole; 42. an X-ray light pipe; 5. an image receiving device; 6. a lift drive assembly; 61. a screw rod sliding table; 62. a drive motor; 7. a display screen; 8. a lifting plate; 9. a coupling is provided.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1 and 2, a circuit board inspection system based on X-RAY disclosed in an embodiment of the present application includes a frame 1, a table 2, a mounting frame 3, an X-RAY emitting device 4, an image receiving device 5, and a lifting driving assembly 6.

Referring to fig. 2 and 3, the table 2 has a rectangular plate shape, and the table 2 is horizontally mounted to the frame 1. The mounting frame 3 is welded on the frame 1, and the mounting frame 3 is positioned above the workbench 2; meanwhile, the mounting bracket 3 is fixedly mounted with a horizontal mounting plate 31, a rectangular placing hole 311 is formed in the mounting plate 31, and the length direction of the placing hole 311 is the same as the length direction of the workbench 2.

Referring to fig. 2 and 3, the X-ray emitting device 4 includes an outer case 41 and an X-ray tube 42 fixedly installed in the outer case 41, the outer case 41 has a rectangular shape, and an emitting opening for the X-ray tube 42 to emit X-rays downwards is formed at a lower side of the outer case 41. Meanwhile, the length direction of the outer case 41 is the same as the length direction of the placement hole 311, the width dimension of the outer case 41 is matched with the width dimension of the placement hole 311, and the length dimension of the outer case 41 is smaller than the length dimension of the placement hole 311.

Referring to fig. 3 and 4, the outer case 41 is horizontally connected with connecting plates 411 at the upper ends of two side walls along the width direction thereof, the lower surface of the connecting plate 411 abuts against the upper surface of the mounting plate 31, and the connecting plate 411 is provided with a waist-shaped hole 4111 along the length direction of the outer case 41 for a bolt to pass through. Bolts penetrate through the waist-shaped holes 4111 on the connecting plate 411 and are in threaded connection with the mounting plate 31, so that the X-ray emitting device 4 and the mounting frame 3 can be mounted; in addition, in order to facilitate the bolt connection between the connection plate 411 and the mounting plate 31 for the staff, a butterfly bolt may be used to connect the connection plate 411 and the mounting plate 31 in the present embodiment.

Referring to fig. 3 and 4, the mounting frame 3 is fixedly mounted with a shield 32 that covers the X-ray emitting device 4, and a gap for placing the circuit board is formed between the lower side of the shield 32 and the table 2. Meanwhile, an opening 321 is formed in the lower side of the protective cover 32, a transparent observation window 322 is installed on the side wall of the protective cover 32, and a worker can check the detection position of the circuit board on the workbench 2 through the transparent observation window 322 and the opening 321.

Referring to fig. 3 and 5, an access opening 323 is formed in the upper side of the protective cover 32, the access opening 323 is rectangular, and the size of the access opening 323 is larger than the size of the placement hole 311 of the mounting plate 31, so that the X-ray emitting device 4 can be accessed from the access opening 323 by a worker. A cover plate 324 for opening and closing the access opening 323 is arranged on the upper side of the protective cover 32; correspondingly, an abutting ring edge 3231 is fixedly mounted on the lower side of the taking and placing opening 323, the upper surface of the abutting ring edge 3231 is used for abutting and positioning the lower surface of the cover plate 324, and the cover plate 324 and the abutting ring edge 3231 are connected with each other through bolts. Meanwhile, the size of the cover plate 324 is adapted to the size of the access opening 323, so that when the cover plate 324 abuts against the abutting ring edge 3231, the cover plate 324 is accommodated in the access opening 323, and the cover plate 324 and the abutting ring edge 3231 are connected to each other through bolts. In addition, in order to facilitate lifting and placing the cover plate 324, a handle or a hole for lifting and pulling can be arranged on the cover plate 324.

Referring to fig. 2 and 4, the image receiving device 5 is slidably mounted on the frame 1 along the vertical direction, and the image receiving device 5 is located below the worktable 2; meanwhile, the image receiving device 5 and the X-ray emitting device 4 are vertically corresponding, and a through hole 21 matched with the size of the lower opening 321 of the protective cover 32 is formed on the workbench 2 between the image receiving device and the X-ray emitting device 4. In this embodiment, the image receiving device 5 is an image intensifier, and an input screen of the image intensifier is disposed upward and is used for receiving an image obtained by irradiating the circuit board with X-rays; in addition, the image intensifier is also connected with a display screen 7, and the display screen 7 is installed above the protective cover 32, so that the detection images can be conveniently checked by workers.

Referring to fig. 2, the lifting driving assembly 6 is installed between the image receiving device 5 and the frame 1, and is used for driving the image receiving device 5 to move in a vertical direction; specifically, the lifting drive assembly 6 comprises a screw rod sliding table 61 and a drive motor 62, wherein the screw rod sliding table 61 is installed on the frame 1 along the vertical direction, and a vertical lifting plate 8 is connected to a sliding block of the screw rod sliding table 61. Correspondingly, the image receiving device 5 is mounted on the lifting plate 8 through bolts, so that the image receiving device 5 is connected with the frame 1 in a sliding manner.

Referring to fig. 2, the driving motor 62 is installed on the frame 1 below the screw rod sliding table 61, the output shaft of the driving motor 62 is sleeved with the coupling 9, and one end of the coupling 9 far away from the driving motor 62 is sleeved on the screw rod of the screw rod sliding table 61, so that the driving motor 62 can complete the effect of driving the image receiving device 5 to ascend and descend.

The implementation principle of the circuit board detection system based on the X-RAY in the embodiment of the application is as follows: the staff will get the apron 324 of putting mouth 323 department and demolish, remove the bolted connection between X-ray emission device 4 and the mounting bracket 3 next, can take out X-ray emission device 4 from protection casing 32 through getting to put mouth 323, realize conveniently that the maintenance of X-ray emission device 4 is protected or is changed.

Meanwhile, the vertical height of the image receiving device 5 can be adjusted by using the lifting driving component 6, and in the detection process of the circuit board, if the detected image is too small to be conveniently checked, the image receiving device 5 can be driven to descend by the lifting driving component 6 so as to obtain a larger image to be checked.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a circuit board detecting system based on X-RAY, includes workstation (2), mounting bracket (3) and X light emitting device (4), its characterized in that: the workbench (2) is horizontally arranged, the mounting rack (3) is arranged above the workbench (2), and the mounting rack (3) is provided with a protective cover (32); the X-ray emitting device (4) is connected with the mounting frame (3) through bolts, and the X-ray emitting device (4) is positioned in the protective cover (32); a taking and placing opening (323) is formed in the upper side of the protective cover (32), and the size of the taking and placing opening (323) is larger than the vertical projection size of the X-ray emission device (4); the upper side of the protective cover (32) is detachably connected with a cover plate (324) used for opening and closing the taking and placing opening (323); a gap is formed between the lower side of the protective cover (32) and the workbench (2).

2. The X-RAY based circuit board inspection system of claim 1, wherein: the mounting rack (3) is horizontally provided with a mounting plate (31), the mounting plate (31) is provided with a placing hole (311), and the size of the placing hole (311) is larger than the size of the vertical projection of the X-ray emitting device (4); the two opposite sides of the X-ray emission device (4) are provided with connecting plates (411), the lower surfaces of the connecting plates (411) are abutted to the upper surface of the mounting plate (31), and the connecting plates (411) are connected with the mounting plate (31) through bolts.

3. The X-RAY based circuit board inspection system of claim 2, wherein: the connecting plate (411) is provided with a waist-shaped hole (4111) for a bolt to pass through.

4. The X-RAY based circuit board inspection system of claim 1, wherein: the lower side of the taking and placing opening (323) is provided with a butting ring edge (3231), and the edge of the lower surface of the cover plate (324) is butted against the upper surface of the butting ring edge (3231).

5. The X-RAY based circuit board inspection system of claim 1, wherein: the downside of protection casing (32) is equipped with opening (321), the lateral wall of protection casing (32) is equipped with transparent observation window (322).

6. The X-RAY based circuit board inspection system of claim 1, wherein: still including locating image receiving device (5) of workstation (2) below, image receiving device (5) are equipped with lift drive assembly (6), lift drive assembly (6) are used for driving image receiving device (5) and move along vertical direction.

7. The X-RAY based circuit board inspection system of claim 6, wherein: the lifting driving assembly (6) comprises a screw rod sliding table (61) and a driving motor (62), the screw rod sliding table (61) is connected to the workbench (2) along the vertical direction, a sliding block of the screw rod sliding table (61) is connected with a lifting plate (8), and the image receiving device (5) is arranged on the lifting plate (8); one end of the screw rod sliding table (61) is arranged on the driving motor (62), and the driving motor (62) is used for driving a screw rod of the screw rod sliding table (61) to rotate.

8. The X-RAY based circuit board inspection system of claim 7, wherein: and a coupling (9) is connected between an output shaft of the driving motor (62) and a screw rod of the screw rod sliding table (61).