CN210268429U

CN210268429U - Inspection mechanism of printed circuit board

Info

Publication number: CN210268429U
Application number: CN201921537898.0U
Authority: CN
Inventors: 王树柏
Original assignee: Yuandong Sanhe Multilayer Circuit Co ltd
Current assignee: Yuandong Sanhe Multilayer Circuit Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-07
Anticipated expiration: 2029-09-17

Abstract

The utility model belongs to the field of printed circuit board detection, in particular to a printed circuit board inspection mechanism, aiming at the problems that the prior inspection of the printed circuit board is mostly manual inspection, the efficiency is low, and the printed circuit board is easy to displace in the inspection process, causing inaccurate inspection, the utility model provides a scheme which comprises an inspection seat, wherein the inspection seat is provided with an inspection cavity, the inner wall of one side of the inspection cavity is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotating shaft, the structure of the utility model is reasonable, the operation is simple, two clamping plates can be mutually close through the work of the motor, the main body of the circuit board is clamped and fixed, the problem that the inspection is not accurate due to the displacement of the main body of the circuit board during the inspection is prevented, and simultaneously, a head hole and a tail hole are detected through two inspection columns, thus whether the processing of the circuit board is qualified can, and manual inspection is not needed, so that the working efficiency and the precision are greatly improved.

Description

Inspection mechanism of printed circuit board

Technical Field

The utility model relates to a printed wiring board detects technical field, especially relates to an inspection mechanism of printed wiring board.

Background

In the process of processing the printed circuit board, the drilling is indispensable, along with the high density of the printed circuit board, the number of holes of the printed circuit board is more and more, the hole diameter is smaller and smaller, and in order to improve the processing quality of the printed circuit board, the rotary holes of the printed circuit board need to be detected after the printed circuit board is processed.

However, most of the existing inspection of the printed circuit board is manual inspection, which is inefficient, and the printed circuit board is easy to displace during the inspection process, which causes inaccurate inspection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing inspection of the printed circuit board in the prior art is mostly manual inspection, the efficiency is low, and the printed circuit board is easy to displace in the inspection process, which causes the disadvantage of inaccurate inspection, and the provided inspection mechanism of the printed circuit board.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an inspection mechanism of a printed circuit board comprises an inspection seat, wherein an inspection cavity is arranged on the inspection seat, a motor is fixedly connected on the inner wall of one side of the inspection cavity, a rotating shaft is fixedly connected on an output shaft of the motor, one end of the rotating shaft is rotationally connected with the inner wall of the other side of the inspection cavity, two reels are symmetrically and fixedly sleeved on the rotating shaft, two pulleys are symmetrically arranged on the inner wall of the top of the inspection cavity, the same pull rope is wound on the reels and on the pulleys, a fixed plate is fixedly connected in the inspection cavity, two threaded shafts are symmetrically and rotationally connected to the top of the fixed plate, the threads of the two threaded shafts are opposite, the same threaded plate is in threaded connection with the two threaded shafts, one ends of the two pull ropes are fixedly connected with the top of the threaded plate, and the top ends of the two threaded shafts penetrate through the inner wall of the, the gear is fixedly sleeved on each of the two threaded shafts, the two racks are symmetrically and slidably connected to the top of the inspection seat, the racks are meshed with the gear, the clamping plates are fixedly connected to one sides, close to each other, of the two racks, the circuit board main body is placed on the top of the inspection seat, one sides, close to each other, of the two clamping plates are tightly attached to the two sides of the circuit board main body respectively, a first hole and a tail hole are formed in the top of the circuit board main body, the fixing frame is fixedly connected to the top of the inspection seat, the electric telescopic rod is fixedly connected to the top of the fixing frame, the inspection plate is fixedly connected to one end of the electric telescopic rod, the two inspection columns are symmetrically and fixedly connected to the bottom of the inspection plate and are respectively matched with the first hole and the tail hole, the two clamping plates can be close, prevent that circuit board main part can take place the displacement and cause the inspection inaccurate when the inspection, come to detect first hole and tail hole through two inspection posts simultaneously, whether processing that just so can the quick check circuit board is qualified, has solved the problem of proposing in the background art.

Preferably, one side of the clamping plate is fixedly connected with a rubber pad, the thickness of the rubber pad is two to three centimeters, and the rubber pad is arranged, so that the circuit board main body can be prevented from being clamped by the clamping plate.

Preferably, the bottom of rack is two gag lever posts of symmetry fixedly connected with, and the bottom of two gag lever posts all with the top sliding connection of inspection seat, set up the gag lever post, can make rack steady movement, can not take place the offset.

Preferably, all seted up the spout on the both sides inner wall of inspection cavity, equal fixedly connected with slide bar in two spouts, equal slip cap is equipped with the sliding sleeve on two slide bars, the both sides of flightplate set up spout, slide bar and sliding sleeve with one side fixed connection that two sliding sleeves are close to each other respectively, can carry on spacingly to the flightplate, prevent that the flightplate from rotating along with the screw axis.

Preferably, the slide bar is sleeved with a spring, two ends of the spring are fixedly connected with the bottom of the sliding sleeve and the inner wall of the bottom of the sliding groove respectively, and the spring is arranged and can provide reset power for the thread plate.

The utility model discloses in, an inspection mechanism of printed circuit board, owing to set up the motor, the motor can make the pivot rotate, the pivot is rotated and can be made two reels can tighten up two stay cords, two stay cords can drive the screw plate rebound, and then can make two screw shafts rotate, two screw shafts rotate and can drive two racks through two gears and remove, two racks can make two clamp plates be close to each other, and then can press from both sides the circuit board main part and press from both sides tightly fixed, it can take place the displacement and cause the inspection inaccurate to prevent circuit board main part when the inspection.

Owing to set up electric telescopic handle, can make the inspection board remove downwards, and then can make the inspection post remove downwards, if two inspection posts can insert first hole and tail hole in, explain the circuit board main part is qualified, if two inspection posts can not insert first hole and tail hole in or insert into intermittent type, just explain the circuit board main part is unqualified, just so can the processing of short-term test circuit board whether qualified, do not need manual inspection, improve work efficiency and precision greatly.

The utility model discloses rational in infrastructure, easy operation can make two clamp plates be close to each other through the work of motor, presss from both sides the tight fixed with the circuit board main part, prevents that circuit board main part can take place the displacement and cause the inspection inaccurate when the inspection, comes to detect first hole and tail hole through two inspection posts simultaneously, just so can the short-term test whether processing of circuit board is qualified, does not need the manual inspection, improves work efficiency and precision greatly.

Drawings

Fig. 1 is a schematic front view of an inspection mechanism for a printed circuit board according to the present invention;

fig. 2 is a schematic cross-sectional structural view of an inspection seat of an inspection mechanism of a printed circuit board according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a of an inspection mechanism of a printed circuit board according to the present invention.

In the figure: the device comprises an inspection seat 1, an inspection chamber 2, a motor 3, a rotating shaft 4, a reel 5, a pulley 6, a pull rope 7, a threaded plate 8, a threaded shaft 9, a fixing plate 10, a gear 11, a rack 12, a clamping plate 13, a circuit board main body 14, an electric telescopic rod 15, an inspection plate 16, a rubber pad 17, a limiting rod 18, a fixing frame 19, a sliding chute 20, a sliding rod 21, a sliding sleeve 22 and a spring 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, an inspection mechanism for a printed circuit board comprises an inspection base 1, an inspection chamber 2 is arranged on the inspection base 1, a motor 3 is fixedly connected to the inner wall of one side of the inspection chamber 2, a rotating shaft 4 is fixedly connected to the output shaft of the motor 3, one end of the rotating shaft 4 is rotatably connected to the inner wall of the other side of the inspection chamber 2, two reels 5 are symmetrically and fixedly sleeved on the rotating shaft 4, two pulleys 6 are symmetrically arranged on the inner wall of the top of the inspection chamber 2, the same pull rope 7 is wound on the reels 5 and the pulleys 6, a fixing plate 10 is fixedly connected in the inspection chamber 2, two threaded shafts 9 are symmetrically and rotatably connected to the top of the fixing plate 10, the threads of the two threaded shafts 9 are opposite, the same threaded plate 8 is in threaded connection with the two threaded shafts 9, one end of each pull rope 7 is fixedly connected to the top of the threaded plate 8, and the top ends of the two threaded shafts 9, all fixed cover is equipped with gear 11 on two threaded spindle 9, the top symmetry sliding connection of inspection seat 1 has two racks 12, rack 12 meshes with gear 11 mutually, two equal fixedly connected with clamp plate 13 in one side that rack 12 is close to each other, circuit board main part 14 has been placed at the top of inspection seat 1, one side that two clamp plate 13 are close to each other is closely laminated with circuit board main part 14's both sides respectively, first hole and tail hole have been seted up at circuit board main part 14's top, the top fixedly connected with mount 19 of inspection seat 1, the top fixedly connected with electric telescopic handle 15 of mount 19, electric telescopic handle 15's one end fixedly connected with inspection plate 16, two inspection posts of the bottom symmetry fixedly connected with of inspection plate 16, two inspection posts respectively with first hole and tail hole looks adaptation.

In the utility model, one side of the clamping plate 13 is fixedly connected with a rubber pad 17, and the thickness of the rubber pad 17 is two to three centimeters.

The utility model discloses in, two gag lever posts 18 of the bottom symmetry fixedly connected with of rack 12, the bottom of two gag lever posts 18 all with the top sliding connection of inspection seat 1.

The utility model discloses in, all seted up spout 20 on the both sides inner wall of inspection cavity 2, equal fixedly connected with slide bar 21 in two spouts 20, the cover that all slides on two slide bars 21 is equipped with sliding sleeve 22, one side fixed connection that the both sides of flightplate 8 are close to each other with two sliding sleeves 22 respectively.

The utility model discloses in, the cover is equipped with spring 23 on the slide bar 21, spring 23's both ends respectively with sliding sleeve 22's bottom and the bottom inner wall fixed connection of spout 20.

Example two

Referring to fig. 1-3, an inspection mechanism of a printed circuit board comprises an inspection base 1, an inspection chamber 2 is arranged on the inspection base 1, a motor 3 is welded on the inner wall of one side of the inspection chamber 2, a rotating shaft 4 is welded on the output shaft of the motor 3, one end of the rotating shaft 4 is rotatably connected with the inner wall of the other side of the inspection chamber 2, two reels 5 are symmetrically and fixedly sleeved on the rotating shaft 4, two pulleys 6 are symmetrically arranged on the inner wall of the top of the inspection chamber 2, the same pull rope 7 is wound on the reels 5 and the pulleys 6, a fixed plate 10 is welded in the inspection chamber 2, two threaded shafts 9 are symmetrically and rotatably connected with the top of the fixed plate 10, the threads of the two threaded shafts 9 are opposite, the same threaded plate 8 is in threaded connection with the two threaded shafts 9, one end of each pull rope 7 is welded with the top of the threaded plate 8, the top ends of the two threaded shafts 9 penetrate through the, the gear 11 is fixedly sleeved on each of the two threaded shafts 9, the top of the inspection seat 1 is symmetrically and slidably connected with two racks 12, the racks 12 are meshed with the gear 11, clamping plates 13 are welded on the mutually close sides of the two racks 12, a circuit board main body 14 is placed on the top of the inspection seat 1, the mutually close sides of the two clamping plates 13 are respectively and tightly attached to the two sides of the circuit board main body 14, a first hole and a tail hole are formed in the top of the circuit board main body 14, a fixing frame 19 is welded on the top of the inspection seat 1, an electric telescopic rod 15 is welded on the top of the fixing frame 19, an inspection plate 16 is welded on one end of the electric telescopic rod 15, two inspection columns are symmetrically welded on the bottom of the inspection plate 16 and are respectively matched with the first hole and the tail hole, the two clamping plates 13 can be mutually close to each other through the work of the motor 3, the circuit board main body 14 is clamped and fixed, the first hole and the tail hole are detected by two inspection columns simultaneously, so that whether the processing of the circuit board 14 is qualified or not can be quickly inspected, and the problems in the background art are solved, because the motor 3 is arranged, the motor 3 can rotate the rotating shaft 4, the rotating shaft 4 can enable the two reels 5 to tighten up the two pull ropes 7, the two pull ropes 7 can drive the threaded plates 8 to move upwards, and further enable the two threaded shafts 9 to rotate, the two threaded shafts 9 can drive the two racks 12 to move through the two gears 11, the two racks 12 can enable the two clamping plates 13 to mutually approach, and further the circuit board main body 14 can be clamped and fixed, the condition that the inspection is not accurate due to the fact that the circuit board main body 14 can displace during inspection is prevented, because the electric telescopic rod 15 is arranged, the inspection plate 16 can move downwards, and further the inspection columns can move downwards is prevented, if two inspection posts can insert first hole and tail hole in, it is qualified to explain circuit board main part 14, if two inspection posts can not insert first hole and tail hole in or insert the intermittent type, it is unqualified just to explain circuit board main part 14, just so can the short-term test whether processing of circuit board 14 is qualified, does not need artifical inspection, improves work efficiency and precision greatly, the utility model discloses rational in infrastructure, easy operation can make two clamp plates 13 be close to each other through motor 3's work, presss from both sides tight fixed with circuit board main part 14, prevents that circuit board main part 14 can take place the displacement when the inspection and cause the inspection inaccurate, detects first hole and tail hole through two inspection posts simultaneously, just so can the short-term test whether processing of circuit board 14 is qualified, does not need artifical inspection, improves work efficiency and precision greatly.

The utility model discloses in, one side of clamp plate 13 has rubber pad 17 with the sticky joint, and the thickness of rubber pad 17 is two to three centimetres, sets up rubber pad 17, can prevent that clamp plate 13 from pressing from both sides circuit board main part 14 bad.

The utility model discloses in, the bottom symmetric welding of rack 12 has two gag lever posts 18, and the bottom of two gag lever posts 18 all sets up gag lever post 18 with the top sliding connection of inspection seat 1, can make rack 12 steadily remove, can not take place the offset.

The utility model discloses in, spout 20 has all been seted up on the both sides inner wall of inspection cavity 2, and all welded slide bar 21 in two spout 20, the cover that all slides on two slide bar 21 is equipped with sliding sleeve 22, and the both sides of flighted plate 8 weld with one side that two sliding sleeve 22 are close to each other respectively, set up spout 20, slide bar 21 and sliding sleeve 22, can carry on spacingly to flighted plate 8, prevent that flighted plate 8 from rotating along with threaded shaft 9.

The utility model discloses in, the cover is equipped with spring 23 on the slide bar 21, and spring 23's both ends weld with the bottom of sliding sleeve 22 and the bottom inner wall of spout 20 mutually respectively, set up spring 23, can provide the power that resets for thread plate 8.

In the utility model, in order to improve the working efficiency of the drilling inspector, when designing the drilling program, the first hole and the tail hole are designed according to the drilling diameter outside the printed board, the first hole is drilled firstly, then the hole in the board is drilled, and the tail hole is drilled finally, so that the inspector can ensure that the hole in the whole circuit board main body 14 is qualified as long as the first hole is inspected and the tail hole is qualified, when the drilling of the circuit board main body 14 is finished and the inspection is required, the circuit board main body 14 is placed on the inspection seat 1 firstly, then the motor 3 is started, the output shaft of the motor 3 can drive the rotating shaft 4 to rotate, the rotating shaft 4 can drive the two reels 5 to rotate, the two reels 5 can tighten up the stay cord 7, the stay cord 7 can drive the threaded plate 8 to move upwards, because the two threaded shafts 9 are in threaded connection with the threaded plate 8 and the threads of the two threaded shafts 9 are opposite, so the two threaded shafts 9 can rotate when the threaded plate, and the rotation directions are opposite, the two gears 11 can be rotated by the rotation of the two threaded shafts 9, the two racks 12 can be moved by the two gears 11, the two racks 12 can drive the two clamping plates 13 to move towards the direction close to each other, further, the circuit board main body 14 can be clamped and fixed, the circuit board main body 14 can be prevented from displacement during the inspection, the inspection is not accurate, when the electric telescopic rod 15 is started, the electric telescopic rod 15 can make the inspection plate 16 move downwards, so that the two inspection columns move downwards, if the two inspection columns can be inserted into the first hole and the tail hole, the circuit board main body 14 is qualified, if the two inspection columns can not be inserted into the first hole and the tail hole or are inserted into the first hole and the tail hole with a pause, the circuit board main body 14 is unqualified, therefore, whether the processing of the circuit board 14 is qualified or not can be quickly checked, manual checking is not needed, and the working efficiency and the precision are greatly improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an inspection mechanism of printed circuit board, includes inspection seat (1), its characterized in that, be equipped with inspection cavity (2) on inspection seat (1), fixedly connected with motor (3) on the inner wall of one side of inspection cavity (2), fixedly connected with pivot (4) on the output shaft of motor (3), the one end of pivot (4) is connected with the opposite side inner wall rotation of inspection cavity (2), the symmetry fixed cover is equipped with two reels (5) on pivot (4), the symmetry on the top inner wall of inspection cavity (2) is equipped with two pulleys (6), the winding is equipped with same stay cord (7) on reel (5) and pulley (6), fixedly connected with fixed plate (10) in inspection cavity (2), the top symmetry rotation of fixed plate (10) is connected with two screw shafts (9), and two screw shaft (9) screw thread are opposite, the two threaded shafts (9) are in threaded connection with the same threaded plate (8), one ends of the two pull ropes (7) are fixedly connected with the top of the threaded plate (8), the top ends of the two threaded shafts (9) penetrate through the inner wall of the top of the inspection chamber (2) and extend to the upper portion of the top of the inspection seat (1), gears (11) are fixedly sleeved on the two threaded shafts (9), the top of the inspection seat (1) is symmetrically and slidably connected with two racks (12), the racks (12) are meshed with the gears (11), clamping plates (13) are fixedly connected to the sides, close to each other, of the two racks (12), a circuit board main body (14) is placed at the top of the inspection seat (1), one sides, close to each other, of the two clamping plates (13) are tightly attached to the two sides of the circuit board main body (14) respectively, and a first hole and a tail hole are formed in the top of the circuit, the top fixedly connected with mount (19) of inspection seat (1), the top fixedly connected with electric telescopic handle (15) of mount (19), the one end fixedly connected with inspection board (16) of electric telescopic handle (15), two inspection posts of the bottom symmetry fixedly connected with of inspection board (16), two inspection posts respectively with first hole and tail hole looks adaptation.

2. The inspection mechanism of a printed wiring board according to claim 1, wherein a rubber pad (17) is fixedly attached to one side of said clamping plate (13), and a thickness of said rubber pad (17) is two to three centimeters.

3. The inspection mechanism of the printed circuit board according to claim 1, wherein the bottom of the rack (12) is symmetrically and fixedly connected with two limiting rods (18), and the bottoms of the two limiting rods (18) are both connected with the top of the inspection base (1) in a sliding manner.

4. The inspection mechanism of the printed circuit board according to claim 1, wherein the inner walls of the two sides of the inspection chamber (2) are respectively provided with a sliding groove (20), a sliding rod (21) is fixedly connected in each sliding groove (20), a sliding sleeve (22) is slidably sleeved on each sliding rod (21), and two sides of the threaded plate (8) are respectively and fixedly connected with one side of each sliding sleeve (22) which is close to each other.

5. The inspection mechanism of printed circuit board according to claim 4, wherein the sliding rod (21) is sleeved with a spring (23), and two ends of the spring (23) are respectively fixedly connected with the bottom of the sliding sleeve (22) and the inner wall of the bottom of the sliding chute (20).