Test positioning device for PCB automatic production

Abstract

The utility model provides a test positioning device for PCB automatic production, which relates to the technical field of PCB production and comprises a first stabilizing frame, a group of bolt mounting holes are arranged at the bottom of the first stabilizing frame, a second stabilizing frame is mounted on one side of the first stabilizing frame, a first pushing cylinder is mounted between the first stabilizing frame and the second stabilizing frame, and a second pushing cylinder is mounted between the first stabilizing frame and the second stabilizing frame. A set of rotating mechanism is installed on the side edge of the second stabilizing frame, and the rotating mechanism is jointly composed of a first electric motor and a rotating rail. The positioning mechanism is arranged to achieve the effect of accurately positioning and clamping the PCBs, L-shaped stepped structure positioning grooves in the inner sides of the positioning plates can accurately position and clamp the PCBs of different thicknesses and sizes, the positioning mechanism can adapt to the PCBs of various specifications by adjusting the positions of the positioning plates in the kidney-shaped holes of the driving plate, and the positioning mechanism is simple in structure, convenient to use and high in practicability. The problem that a traditional positioning device is poor in universality is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PCB production, especially relates to a test positioning device for PCB automation production. BACKGROUND

[0002] PCB is also called printed circuit board, in the PCB automation production, the test procedure plays a vital role in ensuring the quality and performance of PCB board, with the development of electronic products towards miniaturization, high performance and high integration, therefore the positioning accuracy of PCB board in the test process is proposed extremely high requirement, the traditional test positioning mechanism has the following shortcomings:

[0003] The traditional test positioning mode is often difficult to meet the demand of high accuracy, and positioning deviation is prone to occur, which leads to inaccurate test results and misjudgment of the quality of PCB board, in addition, the rotating mechanism needs to be extended for wiring, thereby affecting the efficiency of the whole production process and the yield of products, in addition, in the automatic production line, the positioning speed of the traditional positioning device is slow, which is difficult to match with the high-speed production rhythm, reduces the production efficiency and increases the production cost. UTILITY MODEL CONTENT

[0004] The utility model discloses a test positioning device for PCB automation production, and staff adjusts the position of the positioning plate according to the thickness and size of the PCB board, loosens the locking nut on the threaded connecting block of the positioning plate, moves the positioning plate to the appropriate position in the waist round hole of the driving plate, makes the L-shaped ladder structure positioning groove in the inner side of the positioning plate can adapt to the size of the PCB board, then tightens the locking nut to lock the position of the positioning plate, places the PCB board to be tested in the positioning groove of the positioning plate, and realizes the preliminary positioning of the PCB board.

[0005] The utility model discloses a test positioning device for PCB automation production, and staff adjusts the position of the positioning plate according to the thickness and size of the PCB board, loosens the locking nut on the threaded connecting block of the positioning plate, moves the positioning plate to the appropriate position in the waist round hole of the driving plate, makes the L-shaped ladder structure positioning groove in the inner side of the positioning plate can adapt to the size of the PCB board, then tightens the locking nut to lock the position of the positioning plate, places the PCB board to be tested in the positioning groove of the positioning plate, and realizes the preliminary positioning of the PCB board.

[0006] Further, a stable hole is formed in the upper position of the first stable frame, the first push cylinder passes through the inside of the stable hole, and a locking bolt is installed on one side of the upper part of the first stable frame.

[0007] Further, one sliding block is arranged on one side of the second stabilizing frame, the sliding block is T-shaped structure, a sliding hole is arranged on the upper position of the first stabilizing frame, the sliding block passes through the inside of the sliding hole, and the push rod of the first push cylinder is connected with the upper position of the second stabilizing frame.

[0008] Further, the first electric motor is arranged on one side of the second stabilizing frame, and a plurality of bolt mounting holes are arranged on the second stabilizing frame and the first electric motor.

[0009] Further, the driving shaft of the first electric motor is connected with the inside of the second stabilizing frame and the middle position of the rotating track.

[0010] Further, one horizontal stabilizing hole is arranged on one side of the second stabilizing frame, a second driving cylinder is inserted into the inside of the stabilizing hole, a horizontal sliding hole is arranged on one side of the second stabilizing frame, a sliding block is arranged on one side of the stabilizing plate, the sliding block passes through the inside of the sliding hole, and the push rod of the second driving cylinder is connected with the middle position of the sliding block.

[0011] Further, the second electric motor is arranged on the outside of the stabilizing plate, a rotating hole is arranged on one side of the second electric motor, the driving shaft of the second electric motor passes through the inside of the rotating hole and is provided with a driving cover on the outside.

[0012] Further, a threaded rod is arranged on the inside of the rotating track, a plurality of convexes in annular array are arranged on the inside of the driving cover, the convexes are circular arc structures, a connecting seat is arranged on both sides of the threaded rod, a plurality of clamping grooves corresponding to the convexes are arranged on the outside of the connecting seat, and the second driving cylinder is arranged at the position where the convexes and the clamping grooves are engaged.

[0013] Further, the driving plate comprises two driving plates, a sliding block is arranged on one side of the driving plate, the sliding block is arranged in the inside of the rotating track, a threaded hole is arranged on the sliding block of the driving plate, the threaded holes are oppositely threaded, the threaded rod is reversely double-threaded, the threaded rod passes through the inside of the threaded hole and is screw-connected with the threaded hole.

[0014] Further, a waist hole is arranged on both sides of the driving plate, a threaded connecting block is arranged on the upper position of the positioning plate, the threaded connecting block passes through the inside of the waist hole and is provided with a locking nut on the outside, a positioning groove is arranged on the inside of the positioning plate, and the positioning groove is L-shaped stepped structure.

[0015] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0016] The positioning mechanism is provided to realize the accurate positioning and clamping effect of the PCB board, wherein the L-shaped stepped structure positioning groove in the inner side of the positioning plate can accurately position and clamp the PCB boards of different thicknesses and sizes, the position of the positioning plate on the waist round hole of the driving plate can be adjusted to adapt to PCB boards of various specifications, effectively solving the poor universality problem of the traditional positioning device, ensuring that the PCB board is always in the accurate center position during the testing process, providing reliable guarantee for the subsequent high-precision testing, and greatly improving the accuracy and reliability of the test data.

[0017] The positioning plate realizes the effect of rapid center positioning of the PCB board, and the positioning plate provided in the positioning mechanism solves the problem of deviation of the detection position of the PCB board, ensuring the safety and reliability of the testing process.

[0018] The rotation mechanism is provided to realize the effect of automatic overturning of the PCB board, which can be conveniently adjusted to the best test angle and position, improving the comprehensiveness and effectiveness of the detection.

[0019] In addition, the positioning mechanism is provided with a driving cylinder controlled electric motor and a driving cover, when the driving cylinder stretches the protrusion and the position of the clamping groove is engaged, the control electric motor can drive the threaded rod to rotate, and after the driving cylinder pushes the second electric motor and the driving cover outward, the protrusion and the clamping groove can be separated, at this time the rotation track can be effectively rotated, solving the problem of clutch type control of the positioning mechanism, reducing the additional wiring steps of the rotation mechanism in the current detection device, the connection between the components is close and the stress is reasonable, reducing the risk of failure caused by loose, wear or fatigue of the components, improving the service life and maintenance cycle of the device, and reducing the overall maintenance cost of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0021] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0022] In the drawings:

[0023] Figure 1 The assembled axial side structure schematic diagram of the test positioning device of the present application is shown;

[0024] Figure 2 The axial side structure schematic diagram of the test positioning device of the present application is shown; Figure 1

[0025] Figure 3 The axial side schematic diagram of the first stable frame and the driving plate of the present application is shown; The axial side schematic diagram of the first stable frame and the driving plate of the present application is shown;

[0026] Figure 4 The axial side schematic view of the rear perspective of the rotating track of the present application is shown.

[0027] Figure 5 The axial side schematic view of the rotating track of the present application is shown. Figure 4 The axial side schematic view of the rear perspective of the rotating track of the present application is shown.

[0028] List of reference signs

[0029] 1. first stable frame;

[0030] 2. second stable frame;

[0031] 3. first pushing cylinder;

[0032] 4. rotating mechanism; 401. first electric motor; 402. rotating track;

[0033] 5. positioning mechanism; 501. second electric motor; 502. driving cover; 503. threaded rod; 504. second driving cylinder; 505. driving plate; 506. positioning plate; 507. stable plate. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] Embodiment one: please refer to Figures 1 to 5 :

[0036] The utility model provides a test positioning device for PCB automation production, include: first stable frame 1, the bottom position of first stable frame 1 is equipped with a group of bolt mounting holes, the staff needs to install stable bolt in the position of bolt mounting hole, makes first stable frame 1 can be installed above the drive seat in prior art, makes the drive seat in prior art can drive first stable frame 1 transverse displacement, one second stable frame 2 is installed to the side of first stable frame 1, a first push cylinder 3 is installed between first stable frame 1, second stable frame 2, a stable hole is equipped with in the upper position of first stable frame 1, the inside of first push cylinder 3 passes through stable hole, first stable frame 1 combines stable hole and realizes the effect of first push cylinder 3 installation position stability, a locking bolt is installed to the side above first stable frame 1, the staff realizes the effect of first push cylinder 3 installation position locking after rotating locking bolt, a sliding block is equipped with in the side of second stable frame 2, and the sliding block is T-shaped structure, a sliding hole is equipped with in the upper position of first stable frame 1, the inside of sliding block passes through sliding hole, realizes the effect of second stable frame 2 moving position circular positioning under the cooperation of sliding hole and sliding block, the push rod of first push cylinder 3 is connected with the upper position of second stable frame 2, the staff needs to refer to the connecting structure of push rod and second stable frame 2 in prior art, makes push rod and second stable frame 2 can be stably connected, makes second stable frame 2 can cooperate with the sliding block on the position of sliding hole and stably move up and down, makes first push cylinder 3 can control second stable frame 2 to move up and down;

[0037] In the embodiment of the present disclosure, as shown in the figure, Figures 1 to 5 A group of rotating mechanisms 4 are installed at the side position of the second stable frame 2, the rotating mechanism 4 is composed of a first electric motor 401 and a rotating track 402, a group of positioning mechanisms 5 are installed between the second stable frame 2 and the rotating track 402, the positioning mechanism 5 is composed of a second electric motor 501, a drive cover 502, a threaded rod 503, a second drive cylinder 504, a drive plate 505, a positioning plate 506 and a stable plate 507, the first electric motor 401 is installed at the side position of the second stable frame 2, a group of bolt mounting holes are respectively formed in the second stable frame 2 and the first electric motor 401, the staff needs to install locking bolts at the positions of the bolt mounting holes to realize the stable assembly effect of the second stable frame 2 and the first electric motor 401, the drive shaft of the first electric motor 401 is connected through the inside of the second stable frame 2 and the middle position of the rotating track 402, the staff needs to refer to the stable connection of the drive shaft and the middle position of the rotating track 402 in the prior art to control the first electric motor 401 to drive the rotating track 402 to automatically overturn;

[0038] In the embodiment of the present disclosure, as shown in the figure, Figures 1 to 5As shown, one side of the second stabilizing frame 2 is provided with a transverse stabilizing hole, a second drive cylinder 504 is inserted into the inside of the stabilizing hole, and the stabilizing hole cooperates with the bolts to achieve the effect of stabilizing the installation position of the second drive cylinder 504. One side of the second stabilizing frame 2 is provided with a transverse sliding hole, and one side of the stabilizing plate 507 is provided with a sliding block. The sliding block passes through the inside of the sliding hole, and the sliding hole cooperates with the sliding block to achieve the effect of circumferential positioning of the moving position of the stabilizing plate 507. The middle position of the push rod of the second drive cylinder 504 and the sliding block is connected. The staff needs to refer to the prior art to stably connect the push rod and the sliding block. The second drive cylinder 504 can drive the stabilizing plate 507 to move horizontally and stably.

[0039] In the embodiments of the present disclosure, reference is made to Figures 1 to 5 As shown, the second electric motor 501 is installed at the outside position of the stabilizing plate 507. The staff needs to install bolts between the second electric motor 501 and the stabilizing plate 507 to complete the stabilization of the second electric motor 501, so that the stabilizing plate 507 can drive the second electric motor 501 to move when moving. One side of the second electric motor 501 is provided with a rotating hole, the driving shaft of the second electric motor 501 passes through the inside of the rotating hole and an outer side of the driving cover 502 is installed. The second electric motor 501 drives the driving cover 502 to rotate stably. A threaded rod 503 is installed at the inside position of the rotating track 402. The inside position of the driving cover 502 is provided with a group of protrusions distributed in an annular array. The protrusions are circular arc structures. The two sides of the threaded rod 503 are respectively provided with a connecting seat. A group of clamping grooves corresponding to the protrusions are formed on the outer side surface of the connecting seat. When the second drive cylinder 504 stretches the protrusions and the clamping grooves to engage, the second electric motor 501 can drive the threaded rod 503 to rotate. After the second drive cylinder 504 pushes the second electric motor 501 and the driving cover 502 outward, the protrusions and the clamping grooves can be separated. At this time, the rotating track 402 can rotate effectively.

[0040] In the embodiments of the present disclosure, reference is made to Figures 1 to 5As shown, the drive plate 505 has two, one side of the drive plate 505 is provided with a sliding block, the sliding block is installed inside the rotating track 402, the rotating track 402 cooperates with the sliding block to realize the effect of moving the position of the drive plate 505 circumferentially, the sliding block of the drive plate 505 is respectively provided with a threaded hole, the two threaded holes are opposite in screw direction, the threaded rod 503 is a reverse double threaded structure, the threaded rod 503 passes through the inside of the threaded hole and is threadedly connected with the threaded hole, so that the threaded rod 503 can control the synchronous reverse movement of the two drive plates 505 when rotating, so that the rotating track 402 can drive the drive plate 505 to overturn when rotating, the two sides of the drive plate 505 are respectively provided with a waist round hole, the upper position of the positioning plate 506 is provided with a threaded connecting block, the threaded connecting block passes through the inside of the waist round hole and is provided with a locking nut outside, the waist round hole and the locking nut can realize the effect of quick locking after adjusting the position of the positioning plate 506, the inside of the positioning plate 506 is provided with a positioning groove, the positioning groove is an L-shaped stepped structure, the positioning groove can realize the effect of positioning and clamping PCB boards of different thicknesses and sizes, and the PCB board is conveniently and accurately tested after being centrally positioned.

[0041] In example two, on the basis of example one, referring to Figures 1 to 5 As shown, the staff needs to set an existing automatic controller and a drive seat, electrically connect the automatic controller with the control modules of the first electric motor 401, the second electric motor 501 and the first push cylinder 3 and the second drive cylinder 504, and automatically control the first electric motor 401, the second electric motor 501, the first push cylinder 3 and the second drive cylinder 504 by means of the first electric motor 401 and the second electric motor 501 of the automatic controller.

[0042] The working principle of the embodiment is as follows:

[0043] When installing the positioning test device, the worker first connects the first stable frame 1 through the bolt mounting hole at the bottom thereof with the drive seat in the prior art, uses the stable bolt to firmly install the first stable frame 1 on the drive seat, ensures that the two are connected tightly without looseness, enables the drive seat in the prior art to drive the first stable frame 1 to displace laterally, and installs the first stable frame 1 at a test position convenient for PCB automatic production, installs a second stable frame 2 on one side of the first stable frame 1, inserts the T-shaped sliding block on one side of the second stable frame 2 into the sliding hole above the first stable frame 1 to realize the connection of the second stable frame 2 and the first stable frame 1 and ensure that the second stable frame 2 can stably move up and down in the sliding hole, installs the first push cylinder 3 in the stable hole above the first stable frame 1 with the push rod of the first push cylinder 3 facing upward, then installs and tightens the locking bolt on one side of the first stable frame 1 to lock the position of the first push cylinder 3, and installs a group of rotating mechanisms 4 at the side position of the second stable frame 2, and installs a group of positioning mechanisms 5 between the second stable frame 2 and the rotating rail 402;

[0044] When using the positioning test device, the worker installs the first electric motor 401 on one side of the second stable frame 2 through a bolt, stably connects the driving shaft of the first electric motor 401 with the middle position of the rotating rail 402 through the inside of the second stable frame 2, ensures that the first electric motor 401 can drive the rotating rail 402 to automatically and smoothly overturn, installs the second drive cylinder 504 in the lateral stable hole on one side of the second stable frame 2 and fixes it through a bolt, inserts the sliding block on one side of the stable plate 507 into the lateral sliding hole on one side of the second stable frame 2, then stably connects the push rod of the second drive cylinder 504 with the middle position of the sliding block according to the prior art, installs the second electric motor 501 on the outside of the stable plate 507 through a bolt, makes the driving shaft of the second electric motor 501 pass through the rotating hole on one side thereof and installs the driving cover 502 on the outside, installs the threaded rod 503 on the inside of the rotating rail 402 and installs the connecting seat on both sides of the threaded rod 503, installs the two drive plates 505 inside the rotating rail 402 through the sliding blocks on one side thereof, makes the threaded rod 503 pass through the threaded holes on the sliding blocks of the drive plates 505 and realizes threaded connection, installs the positioning plate 506 in the waist round holes on both sides of the drive plate 505, installs the locking nut after the threaded connecting block above the positioning plate 506 passes through the waist round holes, sets an automatic controller in the prior art and electrically connects it with the control modules of the drive seat and the first electric motor 401, the second electric motor 501, the first push cylinder 3 and the second drive cylinder 504, ensures that the automatic controller can automatically control these components;

[0045] PCB board placement and preliminary positioning step, the worker adjusts the position of the positioning plate 506 according to the thickness and size of the PCB board, loosens the locking nut on the threaded connecting block of the positioning plate 506, moves the positioning plate 506 in the waist round hole of the driving plate 505 to the appropriate position, so that the L-shaped stepped structure positioning groove in the positioning plate 506 can adapt to the size of the PCB board, and then the locking nut is tightened to lock the position of the positioning plate 506, and the PCB board to be tested is placed in the positioning groove of the positioning plate 506, realizing the preliminary positioning of the PCB board;

[0046] The first push cylinder 3 is started by the automatic controller, the push rod of the first push cylinder 3 pushes the second stable frame 2 to move up and down along the sliding hole of the first stable frame 1, so that the position of the PCB board in the height direction is adjusted to reach the appropriate test height, and when the other surface of the PCB board is tested, the PCB board is rotated, the first electric motor 401 is started by the automatic controller, the first electric motor 401 drives the rotating track 402 to rotate, and then drives the driving plate 505 and the PCB board installed on the rotating track 402 to rotate together, realizing the angle adjustment of the PCB board, when it is necessary to accurately control the rotation of the threaded rod 503 in the rotating track 402, the second drive cylinder 504 is started by the automatic controller first, the second drive cylinder 504 pushes the stable plate 507 and the second electric motor 501 and the driving cover 502 installed thereon outward, so that the protrusion inside the driving cover 502 is engaged with the clamping groove on the outer side surface of the threaded rod 503 connecting seat, then the second electric motor 501 is started, the second electric motor 501 drives the driving cover 502 to rotate, thereby driving the threaded rod 503 to rotate, since the threaded rod 503 is a reverse double-thread structure, when it rotates, it can control the synchronous reverse movement of the two driving plates 505 in the rotating track 402, realizing more accurate position adjustment or clamping operation of the PCB board, after the adjustment is completed, the second drive cylinder 504 is started again to pull the second electric motor 501 and the driving cover 502 back to the original position, so that the protrusion is separated from the clamping groove, at this time, the rotating track 402 can be freely rotated, and the existing test equipment is used for automatic testing of the PCB board, after the PCB test is completed, the automatic controller controls each component to return to the initial position or prepares for the next PCB board.

[0047] The technical scheme of the utility model is not limited to the scope of the utility model embodiments, and the technical content not described in detail in the utility model is known technology.

Claims

1. A test positioning device for automated production of PCBs, characterized in that: The utility model relates to a first steady frame (1), rotating mechanism (4) and positioning mechanism (5), the bottom position of first steady frame (1) is equipped with a group of bolt mounting holes, it is characterized in that, one side of first steady frame (1) is equipped with a second steady frame (2), a first push cylinder (3) is installed between first steady frame (1), second steady frame (2), a group of rotating mechanism (4) is installed in the side position of second steady frame (2), rotating mechanism (4) is composed of first electric motor (401) and rotating track (402) jointly, a group of positioning mechanism (5) is installed between second steady frame (2), rotating track (402), and positioning mechanism (5) is composed of second electric motor (501), drive cover (502), threaded rod (503), second drive cylinder (504), drive plate (505), positioning plate (506) and steady plate (507) jointly. The upper position of first steady frame (1) is equipped with a steady hole, and the inside of the steady hole is penetrated by the first push cylinder (3).

2. The test positioning device for automated production of PCBs according to claim 1, characterized in that: The upper position of first steady frame (1) is equipped with a sliding hole, and the inside of the sliding hole is penetrated by the sliding block.

3. The test positioning device for automated production of PCBs of claim 1, wherein: The first electric motor (401) is installed on one side of the second steady frame (2), and a group of bolt mounting holes are formed in the second steady frame (2) and the first electric motor (401) respectively.

4. The test positioning device for automated production of PCBs of claim 1, wherein: The driving shaft of the first electric motor (401) is connected to the inside of the second steady frame (2) and the middle position of the rotating track (402).

5. The test positioning device for automated production of PCBs of claim 1, wherein: The second drive cylinder (504) is inserted into the steady hole on one side of the second steady frame (2), and a sliding hole is formed in the second steady frame (2) on one side.

6. The test positioning device for automated production of PCBs of claim 1, wherein: The second electric motor (501) is installed on the outside of the steady plate (507), and a rotating hole is formed on one side of the second electric motor (501).

7. The test positioning device for automated production of PCBs of claim 1, wherein: The driving shaft of the second electric motor (501) penetrates the inside of the rotating hole and is installed with a drive cover (502) on the outside.

8. The test positioning device for automated production of PCBs of claim 1, wherein: A threaded rod (503) is installed on the inside of the rotating track (402), a group of convexes are arranged in an annular array on the inside of the drive cover (502), a connecting seat is installed on both sides of the threaded rod (503), a group of clamping grooves corresponding to the convexes are formed on the outside of the connecting seat, and the second drive cylinder (504) is stretched when the convexes and the clamping grooves are engaged.

9. The test positioning device for automated production of PCBs of claim 1, wherein: The drive plate (505) is provided with a sliding block on one side, the sliding block is installed in the inside of the rotating track (402), the sliding block of the drive plate (505) is respectively provided with a threaded hole, the screwing directions of the two threaded holes are opposite, the threaded rod (503) is a reverse double-thread structure, the threaded rod (503) passes through the inside of the threaded hole and is threadedly connected with the threaded hole.

10. The test positioning device for automated production of PCBs of claim 1, wherein: The drive plate (505) is respectively provided with a waist round hole on two sides, the upper position of the positioning plate (506) is provided with a threaded connecting block, the threaded connecting block passes through the inside of the waist round hole and is externally provided with a locking nut, the inside position of the positioning plate (506) is provided with a positioning groove, and the positioning groove is an L-shaped stepped structure.

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