CN219512272U

CN219512272U - PCB impedance detector

Info

Publication number: CN219512272U
Application number: CN202223341003.0U
Authority: CN
Inventors: 景江龙
Original assignee: Shenzhen Huashengxin Technology Co ltd
Current assignee: Shenzhen Huashengxin Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-08-11
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to a PCB impedance detector, which comprises a base, supporting legs fixed on the lower surface of the base and a controller fixed on the front surface of the outside of the base, wherein the upper surface of the base is provided with a left upright post and a right upright post; the base is provided with a moving mechanism for adjusting the left upright post, the upper surface of the base is provided with a rotating mechanism, the rotating mechanism comprises a gear motor arranged on the upper surface of the base, a rotating shaft rotationally connected to the inside of the right upright post and a driving wheel fixed to the output shaft of the gear motor and the outside of the rotating shaft, and the outside of the two driving wheels is in transmission connection with a driving belt. This PCB circuit board impedance detector through taking out the inside instrument of toolbox, can detect the PCB circuit board, when needs turn over, starts gear motor, and the drive belt is transmitted, drives the axis of rotation simultaneously and rotates to turn over the PCB circuit board, improve the detection efficiency of PCB circuit board, reach the practicality and reinforce, advantage such as detection effect is good.

Description

PCB impedance detector

Technical Field

The utility model relates to the technical field of circuit board detection, in particular to a PCB impedance detector.

Background

The PCB circuit board is also called a printed circuit board, is an important electronic component, is a support body of an electronic component, and is a carrier for electric connection of the electronic component. With the progress of modern technology, the PCB is applied to more and more fields, so the detection of the earlier PCB is more and more important.

In the detection process of the PCB circuit board, an impedance detector is needed, chinese patent CN 201921065959.8 discloses a PCB circuit board detection device which comprises a base, a support column is rotatably arranged at the center of the upper surface of the base, a stepping motor is connected with a central shaft of the support column, a turntable is rotatably arranged at the center of the upper surface of the support column, and the movable clamping block is driven to slide in a chute by controlling a second hydraulic lifting cylinder, so that stable clamping of the PCB circuit boards with different sizes to be detected is realized, automatic central positioning can be realized, an operation procedure is simplified, and the detection efficiency is improved.

However, the PCB circuit board detection device of the present utility model is inconvenient to detect PCB circuit boards in all directions, needs to manually take and turn over PCB circuit boards, is inconvenient to operate, wastes time, and is easy to damage PCB circuit boards by hand, so that the detection efficiency of the circuit boards is seriously affected, and the detection requirement cannot be met, and therefore, the PCB circuit board impedance detector is provided to solve the problems set forth in the above.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the PCB impedance detector which has the advantages of strong practicability, good detection effect and the like, and solves the problems that PCB circuit boards are inconvenient to detect in all directions, and the detection efficiency of the circuit boards is seriously affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the PCB impedance detector comprises a base, supporting legs fixed on the lower surface of the base and a controller fixed on the front surface of the outside of the base, wherein the upper surface of the base is provided with a left upright post and a right upright post;

the base is provided with a moving mechanism for adjusting the left upright post, the moving mechanism comprises a servo motor arranged on the upper surface of the base, a screw rod arranged in the base, a transmission gear fixed on an output shaft of the servo motor, a driven gear fixed outside the screw rod, a moving block in threaded connection with the outside of the screw rod and a sliding seat fixed on the upper surface of the moving block, the transmission gear is meshed with the driven gear, and one side of the sliding seat far away from the moving block is fixed on the lower surface of the left upright post;

the upper surface of base is equipped with rotary mechanism, rotary mechanism is including setting up in the gear motor of base upper surface, rotate the axis of rotation of connecting in the inside of right side stand and be fixed in the outside drive wheel of gear motor output shaft and axis of rotation, two the outside transmission of drive wheel is connected with the drive belt.

Further, the upper surface of base is fixed with toolbox and fixed plate, the lower surface of supporting leg is fixed with the universal wheel, the quantity of supporting leg is four.

Further, a bearing matched with the rotating shaft is fixed on the outer wall of the left side of the fixing plate, and the outer wall of the rotating shaft is fixed with the inner ring of the bearing.

Further, the upper surface of toolbox is fixed with the bulb, the inside of toolbox is equipped with first contact bar, second contact bar, electric wire and battery, first contact bar and second contact bar are all connected with the battery electricity through the electric wire.

Further, the opposite sides of left side stand and right side stand all are equipped with fixture, fixture comprises placing seat, the electric putter who is fixed in on the roof of placing the seat and being fixed in the anchor clamps on the electric putter output, left side place the seat and be connected with the outside rotation of left side stand, and the right side is placed the seat and is fixed with the left side of axis of rotation.

Further, rotation hole and smooth mouth have been seted up to the inside of base, servo motor's output shaft extends to the inside of base through the rotation hole, the slide extends to the outside of base through smooth mouth, the inside of base is fixed with the limiting plate, the quantity of limiting plate is two, and the lead screw rotates with two limiting plates respectively to be connected, is equipped with spacing subassembly on the interior diapire of base.

Further, the upper surface of base is fixed with the cover that shelters from, the quantity of cover that shelters from is two, and the right side shelter from and be fixed in on the fixed plate right side outer wall, servo motor is located the inside that the left side shelters from the cover, gear motor is located the inside that the right side shelters from the cover.

Further, the placing seats in the two clamping mechanisms are U-shaped, and a placing pad is fixed on the inner top wall of the placing seat.

Compared with the prior art, the utility model provides the impedance detector for the PCB, which has the following beneficial effects:

1. this PCB circuit board impedance detector through taking out the inside instrument of toolbox, can detect the PCB circuit board, when needs turn over, starts gear motor, and the drive belt is transmitted, drives the axis of rotation simultaneously and rotates to turn over the PCB circuit board, improve the detection efficiency of PCB circuit board, reach the practicality and reinforce, advantage such as detection effect is good.

2. This PCB circuit board impedance detector, through the servo motor of controller start, make its output shaft drive gear rotatory, drive gear rotatory and driven gear meshing drive movable block displacement, drive left side stand simultaneously and carry out the displacement to adjust the interval of left side stand and right side stand, fix it through fixture afterwards, reach the advantage of being convenient for fix different PCB circuit boards.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a front elevational view of the structure of the present utility model;

fig. 4 is a schematic structural view of the supporting mechanism of the present utility model.

In the figure: 1 a base, 2 supporting legs, 3 a tool box, 4 a left upright post, 5 a right upright post, 6 a controller, 7 a shielding cover, 8 a servo motor, 9 a lead screw, 10 a transmission gear, 11 a driven gear, 12 a moving block, 13 a sliding seat, 14 a limiting plate, 15 a limiting assembly, 16 a clamping mechanism, 17 a speed reducing motor, 18 a rotating shaft, 19 a driving wheel, 20 a driving belt, 21 an installation box and 22 a supporting mechanism.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-2, a PCB impedance detector includes a base 1, support legs 2 fixed on the lower surface of the base 1, and a controller 6 fixed on the front surface of the base 1, wherein the upper surface of the base 1 is provided with a left upright post 4 and a right upright post 5; the upper surface of the base 1 is fixedly provided with a tool box 3 and a fixing plate, the lower surface of the supporting legs 2 is fixedly provided with universal wheels, and the number of the supporting legs 2 is four. The brake pad is connected to the outside rotation of universal wheel, through the universal wheel, can carry out the displacement to the device to improve the mobility of device.

Wherein, the upper surface of toolbox 3 is fixed with the bulb, and the inside of toolbox 3 is equipped with first contact bar, second contact bar, electric wire and battery, and first contact bar and second contact bar are all connected with the battery electricity through the electric wire. Through taking out the inside instrument of toolbox, can detect the PCB circuit board, through the contact condition of two contact bars and PCB circuit board, the work condition of rethread observation bulb can detect each circuit break-make condition on the PCB circuit board, simple structure, the operation of being convenient for, the testing result is accurate simultaneously.

In the embodiment, a moving mechanism for adjusting the left upright 4 is arranged on a base 1, the moving mechanism comprises a servo motor 8 arranged on the upper surface of the base 1, a screw rod 9 arranged in the base 1, a transmission gear 10 fixed on an output shaft of the servo motor 8, a driven gear 11 fixed on the outside of the screw rod 9, a moving block 12 in threaded connection with the outside of the screw rod 9 and a sliding seat 13 fixed on the upper surface of the moving block 12, the transmission gear 10 is meshed with the driven gear 11, and one side of the sliding seat 13 away from the moving block 12 is fixed on the lower surface of the left upright 4; the inside of base 1 has been seted up rotation hole and smooth mouth, servo motor 8's output shaft extends to the inside of base 1 through the rotation hole, slide 13 extends to the outside of base 1 through smooth mouth, the inside of base 1 is fixed with limiting plate 14, the quantity of limiting plate 14 is two, and lead screw 9 rotates with two limiting plates 14 respectively to be connected, be equipped with spacing subassembly 15 on the interior diapire of base 1, spacing subassembly 15 comprises guide rail and slider, the guide rail is fixed in on the interior diapire of base 1, the slider is fixed in the lower surface of movable block 12, slider and guide rail sliding connection, through the setting of spacing subassembly 15, make movable block 12 linear displacement, thereby improve the centre gripping effect to the PCB circuit board.

Wherein, servo motor 8's outside is fixed with first motor frame, and first motor frame is fixed in the upper surface of base 1 through the locking bolt.

When the PCB fixing device is used, the servo motor 8 is started through the controller 6, the output shaft of the servo motor drives the transmission gear 10 to rotate, the transmission gear 10 rotates to be meshed with the driven gear 11 and drive the moving block 12 to move, and meanwhile the left upright post 4 is driven to move, so that the distance between the left upright post 4 and the right upright post 5 is adjusted, and fixing of different PCB circuit boards is facilitated.

In this embodiment, a rotating mechanism is disposed on the upper surface of the base 1, and the rotating mechanism includes a gear motor 17 disposed on the upper surface of the base 1, a rotating shaft 18 rotatably connected to the inside of the right upright 5, and driving wheels 19 fixed to an output shaft of the gear motor 17 and outside the rotating shaft 18, and a driving belt 20 is connected to the outside of the two driving wheels 19. The bearing matched with the rotating shaft 18 is fixed on the left outer wall of the fixed plate, and the outer wall of the rotating shaft 18 is fixed with the inner ring of the bearing. When the turning is needed, the gear motor 17 is started, the transmission belt 20 drives the rotation shaft 18 to rotate, so that the PCB is turned over, and the detection efficiency of the PCB is improved.

It should be noted that the turnover of the PCB is 180 degrees and turns back and forth. The second motor frame is fixed to the outside of gear motor 17, and the second motor frame passes through fastening bolt to be fixed in on the right side outer wall of fixed plate, and gear motor 17's output shaft rotates with right side stand 5 and fixed plate to be connected.

And, the upper surface of base 1 is fixed with and shelters from cover 7, and the quantity of cover 7 is two, and right side cover 7 is fixed in on the fixed plate right side outer wall, and servo motor 8 is located the inside of left side cover 7, and gear motor 17 is located the inside of right side cover 7. Through the setting of shielding cover 7, can protect servo motor 8 and gear motor 17, improve servo motor 8 and gear motor 17's life. The inside of the shielding cover 7 is provided with a heat dissipation hole and a wiring hole.

In this embodiment, the opposite sides of the left upright 4 and the right upright 5 are respectively provided with a clamping mechanism 16, the clamping mechanism 16 is composed of a placing seat, an electric push rod fixed on the inner top wall of the placing seat and a clamp fixed on the output end of the electric push rod, the left placing seat is rotationally connected with the outside of the left upright 4, and the right placing seat is fixed with the left side of the rotating shaft 18. The placing seats in the two clamping mechanisms 16 are U-shaped, and a placing pad is fixed on the inner top wall of the placing seat. Through placing the PCB circuit board on placing the seat, start electric putter and drive anchor clamps displacement to fix the PCB circuit board. The outside of anchor clamps is fixed with the protection pad, avoids causing the injury to the PCB circuit board.

Embodiment two:

referring to fig. 2-4, on the basis of the first embodiment, the device comprises a mounting box 21 fixed on the outer portion of a supporting leg 2, a supporting mechanism 22 is arranged in the mounting box 21, the supporting mechanism 22 is composed of a telescopic cylinder and a supporting disc, the supporting disc is fixed on the output end of the telescopic cylinder, a moving opening is formed in the mounting box 21, and the supporting disc can extend to the outer portion of the mounting box 21 through the moving opening. The telescopic cylinder is fixed to the inner top wall of the mounting box 21. The number of the mounting boxes 21 and the supporting mechanisms 22 is four. By providing the support mechanism 22, the apparatus can be supported so that the apparatus can be kept stable during processing.

By adopting the technical scheme, the advantage of stable processing is realized, and the processing quality is improved.

The working principle of the embodiment is as follows:

during detection, the tool inside the tool box 3 is taken out, so that the PCB can be detected, when the turnover is needed, the gear motor 17 is started, the transmission belt 20 is driven, and meanwhile, the rotation shaft 18 is driven to rotate, so that the PCB is turned over, and the detection of the two sides of the PCB is facilitated.

The beneficial effects of the embodiment are as follows:

this PCB circuit board impedance detector, start servo motor 8 through controller 6, make its output shaft drive transmission gear 10 rotatory, transmission gear 10 rotatory meshes and drives movable block 12 displacement with driven gear 11, drive left side stand 4 simultaneously and displace, thereby adjust left side stand 4 and right side stand 5's interval, be convenient for fix different PCB circuit boards, then fix it through fixture 16, during the detection, take out tool case 3 inside instrument, can detect the PCB circuit board, when need turn over, start gear motor 17, drive belt 20 carries out the transmission, drive axis of rotation 18 simultaneously and turn over the PCB circuit board, improve the detection efficiency of PCB circuit board, the problem of the omnidirectional that is inconvenient for detecting the PCB circuit board has seriously influenced circuit board detection efficiency is effectively solved.

The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCB circuit board impedance detector, includes base (1), is fixed in supporting leg (2) of base (1) lower surface and is fixed in outside positive controller (6) of base (1), its characterized in that: the upper surface of the base (1) is provided with a left upright post (4) and a right upright post (5);

the device is characterized in that the base (1) is provided with a moving mechanism for adjusting the left upright post (4), the moving mechanism comprises a servo motor (8) arranged on the upper surface of the base (1), a screw rod (9) arranged in the base (1), a transmission gear (10) fixed on an output shaft of the servo motor (8), a driven gear (11) fixed on the outside of the screw rod (9), a moving block (12) in threaded connection with the outside of the screw rod (9) and a sliding seat (13) fixed on the upper surface of the moving block (12), the transmission gear (10) is meshed with the driven gear (11), and one side, far away from the moving block (12), of the sliding seat (13) is fixed on the lower surface of the left upright post (4);

the upper surface of base (1) is equipped with rotary mechanism, rotary mechanism is including setting up in gear motor (17) of base (1) upper surface, rotate and connect in the inside axis of rotation (18) of right side stand (5) and be fixed in gear motor (17) output shaft and the outside drive wheel (19) of axis of rotation (18), two the outside transmission of drive wheel (19) is connected with drive belt (20).

2. The PCB impedance detector of claim 1, wherein: the utility model discloses a tool box, which is characterized in that a tool box (3) and a fixed plate are fixed on the upper surface of a base (1), universal wheels are fixed on the lower surface of supporting legs (2), and the number of the supporting legs (2) is four.

3. A PCB impedance detector according to claim 2, wherein: the bearing matched with the rotating shaft (18) is fixed on the left outer wall of the fixing plate, and the outer wall of the rotating shaft (18) is fixed with the inner ring of the bearing.

4. A PCB impedance detector according to claim 2, wherein: the utility model discloses a tool box, including instrument box (3), electric wire, battery, bulb, first contact bar, second contact bar, electric wire and battery are fixed with the upper surface of instrument box (3), the inside of instrument box (3) is equipped with first contact bar, second contact bar, electric wire and battery electricity are all connected through electric wire and second contact bar.

5. The PCB impedance detector of claim 1, wherein: the opposite sides of the left upright post (4) and the right upright post (5) are respectively provided with a clamping mechanism (16), each clamping mechanism (16) consists of a placing seat, an electric push rod fixed on the inner top wall of the placing seat and a clamp fixed on the output end of the electric push rod, the left side is rotationally connected with the outside of the left upright post (4), and the right side is fixedly connected with the left side of the rotating shaft (18).

6. The PCB impedance detector of claim 1, wherein: the inside of base (1) has been seted up rotation hole and smooth mouth, the output shaft of servo motor (8) extends to the inside of base (1) through rotation hole, slide (13) extend to the outside of base (1) through smooth mouth, the inside of base (1) is fixed with limiting plate (14), the quantity of limiting plate (14) is two, and lead screw (9) are connected with two limiting plate (14) rotation respectively, are equipped with spacing subassembly (15) on the interior diapire of base (1).

7. A PCB impedance detector according to claim 2, wherein: the upper surface of base (1) is fixed with and shelters from cover (7), the quantity of shielding cover (7) is two, and right side shielding cover (7) are fixed in on the fixed plate right side outer wall, servo motor (8) are located the inside of left side shielding cover (7), gear motor (17) are located the inside of right side shielding cover (7).

8. The PCB impedance detector of claim 5, wherein: the placing seats in the two clamping mechanisms (16) are U-shaped, and a placing pad is fixed on the inner top wall of each placing seat.