CN114378003A

CN114378003A - Bluetooth PCBA automatic test machine system

Info

Publication number: CN114378003A
Application number: CN202210062889.0A
Authority: CN
Inventors: 方成; 蒋顺来; 肖阳彪; 邓隆勇
Original assignee: Shenzhen Boomtech Industrial Co ltd
Current assignee: Shenzhen Boomtech Industrial Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-04-22

Abstract

The invention provides a Bluetooth PCBA automatic tester system, which comprises a tester base, wherein a four-axis mechanism and a plurality of test shielding boxes are arranged at the upper end of the tester base, a manipulator is arranged on the four-axis mechanism, a plurality of suction heads and a PCB detection device are arranged on the manipulator, a transmission rail is further arranged on the tester base, and the transmission rail is arranged below the four-axis mechanism. By arranging the four-axis mechanism, the manipulator, the suction head, the PCB detection device and the plurality of test shielding boxes, NG products (defective products) can be automatically screened and tested, screening efficiency is improved, labor is effectively saved, and working efficiency is improved.

Description

Bluetooth PCBA automatic test machine system

Technical Field

The invention relates to the technical field of Bluetooth equipment, in particular to a Bluetooth PCBA automatic tester system.

Background

Bluetooth

The wireless communication system is a wireless technology standard, and can realize short-distance data exchange (using UHF radio waves of ISM wave band of 2.4-2.485 GHz) among fixed equipment, mobile equipment and a building personal area network. Bluetooth was originally created by telecommunications grand ericsson in 1994, as an alternative to RS232 data lines. Bluetooth can be connected with a plurality of devices, and the problem of data synchronization is solved.

PCBA is the abbreviation of English Printed Circuit Board Assembly, that is, PCBA is the abbreviation of PCBA when PCB blank Board is processed by SMT for loading or the whole process of DIP plug-in. Printed circuit boards, also known as printed circuit boards (pcbs), often referred to by the acronym pcb (printed circuit board), are important electronic components, support for electronic components, and providers for connecting electronic components and circuits. It is called a "printed" circuit board because it is made using electronic printing techniques. Before the advent of printed circuit boards, interconnections between electronic components were completed by direct wire connections.

In the mass production process of PCBA boards, due to various possible factors of equipment and operators, the PCBA boards cannot be guaranteed to be all good products, and therefore production manufacturers are required to adopt various detection equipment and detection jigs to guarantee that the PCBA boards leaving the factory reach the standard. At present, tests of PCBA (printed circuit board assembly) stages produced by small Bluetooth equipment mainly comprise Radio Frequency (RF) tests, audio (audio) tests and the like, and generally comprise manual tests, so that the problems of high labor intensity and low working efficiency exist.

Disclosure of Invention

The invention provides a Bluetooth PCBA automatic testing machine system, which is used for solving the problems in the background technology that: the manual test PCBA board, intensity of labour is great, the lower problem of work efficiency.

In order to solve the technical problem, the invention discloses a Bluetooth PCBA automatic testing machine system which comprises a testing machine base, wherein a four-axis mechanism and a plurality of testing shielding boxes are arranged at the upper end of the testing machine base, a manipulator is arranged on the four-axis mechanism, a plurality of suction heads and a PCB detection device are arranged on the manipulator, a transmission rail is further arranged on the testing machine base, and the transmission rail is arranged below the four-axis mechanism.

Preferably, it is a plurality of the test shielded cell sets up two sets ofly altogether, and is two sets of symmetry sets up on the tester base around the test shielded cell, and is located both sides around the transmission track, the shield cover is installed to tester base week side, be equipped with the display screen on the tester base.

Preferably, the supporting seats are arranged at the front and the rear of the four-axis mechanism at intervals, a Y-axis slide rail is fixedly arranged at the upper end of each supporting seat, the front and the rear of each Y-axis slide rail are connected with an X-axis slide rail in a sliding mode, an X-axis linear motor is arranged on each X-axis slide rail, a manipulator is further connected onto each X-axis slide rail in a sliding mode, and the X-axis linear motor is connected with the manipulator through an X-axis flat cable drag chain.

Preferably, the rear side is provided with a Y-axis linear motor on the Y-axis slide rail, the rear side is fixedly connected with a mounting plate on the rear side of the supporting seat, the mounting plate is provided with a Y-axis flat cable drag chain, and the Y-axis linear motor is connected with the X-axis slide rail through the Y-axis flat cable drag chain.

Preferably, the suction head is connected to the working end of the manipulator in a lifting and rotating manner, the suction head and the PCB detection device are arranged above the transmission track, and the PCB detection device comprises a CCD photographing module.

Preferably, the conveying track comprises: the material changing device comprises two front and back symmetrical substrates, wherein a partition plate is arranged in the middle of the two substrates in parallel, a bottom jig belt is arranged on the partition plate and the rear substrate, an upper plastic suction belt is vertically arranged between the front substrate and the rear substrate, and a top plastic suction disc material changing track is vertically arranged at the top of the front substrate and the rear substrate.

Preferably, the lower ends of the two substrates are further provided with a first lifting mechanism and a second lifting mechanism which are bilaterally symmetrical, and the first lifting mechanism is located on the left side of the second lifting mechanism.

Preferably, a jig lifting material taking port is arranged at the upper end of the first lifting mechanism and at the corresponding position of the rear side substrate;

a plastic sucking disc lifting track swinging disc is arranged between the front substrate and the rear substrate at the upper end of the second lifting mechanism;

the rear side still fixed board and the second of placing of being equipped with on the base plate are placed the board, the first board of placing is located tool lift and gets material mouthful rear side, the first board right side of placing is equipped with bottom CCD, the second is placed the board and is located plastic uptake dish lift track balance rear side.

Preferably, the first lifting mechanism includes: the driving device comprises a driving cavity, a first motor is fixedly arranged at the center of the lower end of the driving cavity, the upper end of the first motor is fixedly connected with a first rotating rod through an output shaft, and the first rotating rod extends into the driving cavity and is rotatably connected with the driving cavity;

first bevel gear is fixedly arranged on the first rotating rod, the first bevel gear is arranged in the installation cavity, and the installation cavity is internally provided with: the first rotating rod is provided with a first connecting key, the first connecting key slides left and right in the first key groove, and the first connecting key is matched with the first key groove; the lower side of the moving block is fixedly connected with a permanent magnet, one side of the permanent magnet close to the inner side is fixedly connected with an electromagnet through a spring, and the electromagnet is fixedly arranged on the inner wall of the lower side of the mounting cavity;

one side, close to the outside, of the second rotating rod extends into the rotating cavity, the second rotating rod is rotatably connected with the inner wall of the rotating cavity, a third bevel gear is fixedly arranged on the second rotating rod, the third bevel gear is arranged in the rotating cavity, the upper end of the third bevel gear is meshed with a fourth bevel gear, the upper end of the fourth bevel gear is fixedly connected with a third rotating rod, the third rotating rod extends out of the rotating cavity, and threads are arranged on the third rotating rod;

the lifting plate is provided with first thread blocks symmetrically on the lower surface, the first thread blocks are in threaded connection with a third rotating rod, and a first synchronous belt pulley is fixedly arranged on the first rotating rod;

the second synchronous belt wheels are connected with the first synchronous belt wheels through synchronous belts, the second synchronous belt wheels are fixedly arranged on a fourth rotating rod, the fourth rotating rod is rotatably connected with the inner wall of the driving cavity, and threads are further arranged on the fourth rotating rod;

the second screw thread piece of two bilateral symmetry, second screw thread piece and fourth dwang threaded connection, just the extrusion piece is connected through first connecting rod to the second screw thread piece leans on outer one side, the extrusion piece runs through the drive chamber, just the extrusion piece leans on outer one side to be fixed and is equipped with the stripper plate, the stripper plate cooperates with the base plate contact of front and back symmetry.

Preferably, the four-axis mechanism further includes: the dust removal device is detachably arranged on the supporting seat and comprises a device shell, suckers are symmetrically arranged on the outer walls of the left side and the right side of the device shell, and the suckers are in contact fit with the supporting seat on the front side and the rear side;

a power cavity is formed in the device shell, a second motor is fixedly arranged on the outer wall of the right side of the power cavity, the left side of the second motor is fixedly connected with a first rotating shaft through an output shaft, the first rotating shaft extends into the power cavity and is rotatably connected with the inner wall of the power cavity, the left side of the first rotating shaft is fixedly connected with a rotating block, and an arc-shaped groove is formed in the rotating block;

the C-shaped connecting rod is characterized in that an arc-shaped bulge is arranged on one side, close to the inside, of the C-shaped connecting rod, the arc-shaped bulge slides in an arc-shaped groove, a pushing rod is fixedly arranged on the left side of the C-shaped connecting rod, the left side of the pushing rod is fixedly connected with the vertical section of a protruding rod, the front side of the protruding rod is rotatably connected with the inner wall of the front side of the device shell through a mounting block, pawls are symmetrically hinged to the left side and the right side of the protruding rod, the pawls are meshed with racks, and a connecting spring is arranged between the two pawls;

the wire harness fixing device comprises a supporting plate, a rack, a fixed pulley, a sucker, a movable plate and a pull ring, wherein the supporting plate is fixedly arranged on the inner wall of the lower side of a power cavity, a groove is formed in the supporting plate, the rack slides in the groove, the lower end of the rack is connected with wire harnesses in a bilateral symmetry mode, the wire harnesses extend into the sucker through the lower end of the fixed pulley, the movable plate is arranged in the sucker, one side, close to the inner side, of the movable plate is provided with the pull ring, and the other end of the wire harnesses is fixedly arranged on the pull ring;

the first rotating shaft is further fixedly provided with a first belt wheel, the lower side of the first belt wheel is connected with a second belt wheel through a belt, the belt penetrates downwards into the transmission cavity, a second rotating shaft is arranged in the transmission cavity, the second belt wheel is fixedly arranged on the second rotating shaft, the second rotating shaft extends leftwards into the dust removal cavity, the second rotating shaft is rotatably connected with the inner wall of the dust removal cavity, rotating blades are further symmetrically arranged on the second rotating shaft, and threads are further symmetrically arranged on the second rotating shaft;

the left and right third threaded blocks are in threaded connection with the threads symmetrically arranged on the second rotating shaft;

run through dust collector around the dust removal chamber, the dust removal group of central symmetry about two sets of, the dust removal group is installed at the dust removal intracavity, the dust removal group including: the fan comprises two bilaterally symmetrical second connecting rods, the two second connecting rods are hinged to each other, the other ends of the second connecting rods are hinged to a third thread block, and a fan is fixedly arranged on each second connecting rod.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a partial block diagram of the present invention.

Fig. 2 is an overall structural view of the present invention.

Fig. 3 is a schematic structural view of a four-axis mechanism of the present invention.

Fig. 4 is a schematic structural view of the robot of the present invention.

Fig. 5 is a schematic structural diagram of a transfer rail according to the present invention.

Fig. 6 is a side view of a transfer rail of the present invention.

Fig. 7 is a schematic flow diagram of the transfer rail of the present invention.

Fig. 8 is a schematic structural diagram of a first lifting mechanism of the present invention.

Fig. 9 is a schematic structural diagram of the dust removing device of the present invention.

Fig. 10 is an enlarged view of fig. 9 at a according to the present invention.

In the figure: 1. a tester base; 2. a four-axis mechanism; 200. a manipulator; 201. an X-axis slide rail; 202. a Y-axis slide rail; 3. testing the shielding box; 4. a transfer track; 401. a substrate; 402. a partition plate; 403. a first placing plate; 5. a display screen; 6. a KVM switch; 7. a shield case; 8. an X-axis linear motor; 9. an X-axis flat cable drag chain; 10. a Y-axis cable drag chain; 11. a Y-axis linear motor; 12. a suction head; 13. a supporting seat; 14. a PCB board detection device; 15. an upper layer blister belt; 16. a bottom layer jig belt; 17. a first lifting mechanism; 18. a second lifting mechanism; 19. a second placing plate; 20. the plastic sucking disc lifts the rail swinging disc; 21. a bottom CCD; 22. the jig lifts the material taking port; 23. the plastic sucking disc at the top layer is provided with a material changing track; 24. a first motor; 25. a second thread block; 26. a first timing pulley; 27. a first rotating lever; 28. a synchronous belt; 29. a lifting plate; 30. a first thread block; 31. a third rotating rod; 33. a fourth rotating rod; 34. a second timing pulley; 35. a first link; 36. a pressing plate; 37. extruding the block; 38. a third bevel gear; 39. a fourth bevel gear; 40. a second rotating lever; 41. a rotation chamber; 42. an electromagnet; 43. a spring; 44. a key sleeve; 45. a permanent magnet; 46. a moving block; 47. a second bevel gear; 48. a first bevel gear; 49. a dust removal device; 50. a device housing; 51. a wire harness; 53. moving the plate; 54. a pull ring; 55. a suction cup; 56. a fixed pulley; 57. a second rotating shaft; 58. a rotating blade; 59. a third thread block; 60. a fan; 61. a second link; 62. a dust removal cavity; 63. a second pulley; 64. a transmission cavity; 65. a belt; 66. a second motor; 67. a first rotating shaft; 68. a first pulley; 69. rotating the block; 70. a power cavity; 71. an arc-shaped bulge; 72. an arc-shaped slot; 73. a C-shaped connecting rod; 74. a push rod; 75. a projecting rod; 76. a pawl; 77. a rack; 78. a support plate; 79. a groove; 80. a drive chamber; 81. a mounting cavity; 82. mounting blocks; 83. a connecting spring; 84. and (5) a dust removal group.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

Example 1

The embodiment of the invention provides a Bluetooth PCBA automatic testing machine system, which comprises a testing machine base 1, wherein a four-axis mechanism 2 and a plurality of testing shielding boxes 3 are arranged at the upper end of the testing machine base 1, a manipulator 200 is arranged on the four-axis mechanism 2, a plurality of suction heads 12 and a PCB detection device 14 are arranged on the manipulator 200, a transmission rail 4 is further arranged on the testing machine base 1, and the transmission rail 4 is arranged below the four-axis mechanism 2.

Wherein, it is preferred, a plurality of test shielded cell 3 sets up two sets ofly altogether, and is two sets of the symmetry sets up on tester base 1 around and being located transmission track 4 both sides around test shielded

cell

3, 1 week side-mounting of tester base has shield cover 7, be equipped with display screen 5 on the tester base 1.

Preferably, a KVM switch 6 is further disposed on the tester base 1, and the KVM switch 6 is disposed below the display screen 5. The computer switch is a peripheral hardware device of a computer, and a system administrator can control a plurality of computers or servers through a group of Keyboard, Mouse and display

Plastic sucking plate (plastic sucking plate is also called plastic sucking tray, or plastic tray, plastic hard sheet is made into plastic with specific groove by plastic sucking process, product is placed in the groove to play the role of protecting and beautifying product, and the plastic sucking plate also has transportation type tray package, and the more trays are mainly used conveniently.)

The PCBA test fixture is a fixture specially used for testing and experimenting functions, power calibration, service life, performance and the like of products.

The working principle of the technical scheme is as follows: the PCB to be detected and the test fixture enter a transmission rail 4 on a base 1 of the testing machine, a PCB detection device 14 on a manipulator 200 confirms the position of a Product (PCB), then a suction head 12 is directly placed into the testing machine (specifically, the test can be placed into a test shielding box for testing) for testing after the PCB is taken out from the fixture, and after the testing is finished, good products are taken out of the testing machine through the suction heads 12 and placed into a plastic sucking disc placing disc.

The beneficial effects of the above technical scheme are: through setting up four-axis mechanism 2, manipulator 200, the suction head, PCB board detection device 14 etc., can the automatic screening test NG article (defective products), screening efficiency has been accelerated, through setting up test shielded cell 3, high frequency signal interference when can effectual isolation test, through setting up the working condition that display screen 5 and computer switch 6 can effectual monitoring automatic test machine system, and the test condition, through setting up transmission track 4, can transport tool and plastic sucking disc simultaneously, mutual noninterference, the effectual functionality and the validity that improve the device. The problem of artifical test PCBA board, intensity of labour is great, work efficiency is lower is solved.

Example 2

On the basis of the embodiment 1, as shown in fig. 3 to 4, the four-axis mechanism 2 is provided with the supporting seat 13 at a front interval and a rear interval, the upper end of the supporting seat 13 is fixedly provided with the Y-axis slide rail 202, the front and rear two Y-axis slide rails 202 are slidably connected with the X-axis slide rail 201, the X-axis slide rail 201 is provided with the X-axis linear motor 8, the X-axis slide rail 201 is further slidably connected with the manipulator 200, and the X-axis linear motor 8 is connected with the manipulator 200 through the X-axis flat cable drag chain 9.

Preferably, a Y-axis linear motor 11 is arranged on the Y-axis slide rail 202 at the rear side, the rear side of the support base 13 is also fixedly connected with a mounting plate 203, a Y-axis flat cable drag chain 10 is arranged on the mounting plate 203, and the Y-axis linear motor 11 is connected with an X-axis slide rail 201 through the Y-axis flat cable drag chain 10.

The working principle of the technical scheme is as follows: starting an X-axis linear motor 8, and driving a manipulator 200 to move along an X axis on an X-axis slide rail 201 through an X-axis flat cable drag chain 9; the Y-axis linear motor 11 is started, and the X-axis slide rail 201 can move along the Y-axis direction on the Y-axis slide rail by being driven by the Y-axis flat cable drag chain 10.

The beneficial effects of the above technical scheme are: by arranging the four-axis mechanism, the product can be placed at any position; and the four-axis mechanism moves stably, and the flexibility is big, and the commonality is wide, can effectively promote efficiency of software testing.

Example 3

On the basis of the above embodiment 2, as shown in fig. 3-4, the suction head 12 is connected to the working end of the manipulator 200 in a liftable and rotatable manner (specifically, a lifting seat can be arranged at the working end of the manipulator, a rotating seat is arranged at the lower end of the lifting seat, and the suction head is arranged on the rotating seat), the suction head 12 and the PCB detection device 14 are both arranged above the transmission track 4, and the PCB detection device 14 includes a CCD photographing module.

The working principle of the technical scheme is as follows: starting the manipulator 200, confirming the position of a product by the PCB detection device 14 on the manipulator 200, then directly placing the PCB in a tester for testing after the suction heads 12 take the PCB out of the jig, and after the testing is finished, taking a good product out of the tester by the suction heads 12 and placing the good product in a plastic sucking disc placing plate.

The beneficial effects of the above technical scheme are: by arranging the plurality of suction heads 12, products can be independently sucked and placed at any position; and the suction head has good stability and convenient use, can effectively improve the test efficiency, can quickly, effectively and accurately position and identify defective products by arranging the upper CCD module, effectively improves the working efficiency of the device, and reduces the labor intensity.

Example 4

On the basis of the above embodiment 1, as shown in fig. 5 to 7, the conveying track 4 includes: the material changing device comprises two front and back symmetrical substrates 401, wherein partition plates 402 are arranged in the middle of the two substrates 401 in parallel, bottom jig belts 16 are arranged on the partition plates 402 and the rear substrate 401, upper plastic suction belts 15 are vertically arranged between the front and back substrates 401, and top plastic suction disc material changing rails 23 are vertically arranged at the tops of the front and back substrates 401.

The working principle of the technical scheme is as follows: the base plate 401 is fixed on the tester base 1, the jig and the plastic suction disc enter the transmission track 4 simultaneously, the jig is arranged on the bottom jig belt 16 on the partition plate 402 and the rear base plate 401, and the plastic suction disc starts to be transported on the upper plastic suction belt 15 on the front base plate 401 and the rear base plate 401.

The beneficial effects of the above technical scheme are: through setting up transmission track 4, can transport tool and plastic sucking plate simultaneously, and do not produce the interference each other, and whole transmission track 4 compact structure, the function is perfect, can effectively improve production efficiency.

Example 5

In addition to the above embodiment 4, as shown in fig. 5 to 7, the lower ends of the two substrates 401 are further provided with a first lifting mechanism 17 and a second lifting mechanism 18 which are bilaterally symmetric, and the first lifting mechanism 17 is located on the left side of the second lifting mechanism 18.

Preferably, a jig lifting and material taking port 22 is arranged at the upper end of the first lifting mechanism 17 and at the corresponding position of the rear substrate 401;

a plastic sucking disc lifting track swinging disc 20 is arranged between the front substrate 401 and the rear substrate 401 at the upper end of the second lifting mechanism 18;

the rear side still fixedly be equipped with first board 403 and the second board 19 of placing on the base plate 401, first board 403 of placing is located the tool and goes up and down to get the material mouth 22 rear side, first board 403 right side of placing is equipped with bottom CCD21, the second board 19 of placing is located the plastic uptake dish lift track balance 20 rear side.

The working principle of the technical scheme is as follows: the jig is jacked up and then positioned by the first lifting mechanism 17, the plastic sucking disc is jacked up and then positioned by the second lifting mechanism 18 to place test products, a CCD at the bottom is placed into the tester after being photographed and positioned and then is scanned and uploaded, defective products are placed on the first placing plate 403 and the second placing plate 19, and after the test is completed, the plastic sucking disc material changing rail 23 at the top layer descends to convey the plastic sucking disc to flow out.

The beneficial effects of the above technical scheme are: through setting up a plurality of elevating system, can accelerate the efficiency of software testing machine, and set up bottom CCD, can sweep the sign indicating number and upload when shooing the location, the effectual functionality and the simplicity that have improved the device have accelerated production efficiency.

Example 6

In addition to embodiment 5 described above, as shown in fig. 8, the first lifting mechanism 17 includes: the driving device comprises a driving cavity 80, wherein a first motor 24 is fixedly arranged at the center of the lower end of the driving cavity 80, the upper end of the first motor 24 is fixedly connected with a first rotating rod 27 through an output shaft, and the first rotating rod 27 extends into the driving cavity 80 and is rotatably connected with the driving cavity 80;

first bevel gear 48 is fixedly arranged on first rotating rod 27, first bevel gear 48 is arranged in installation cavity 81, installation cavity 81 is internally provided with: the second bevel gears 47 are bilaterally symmetrical and are sleeved on the second rotating rod 40, a key sleeve 44 is fixedly arranged on one outer side of each second bevel gear 47, one outer side of each key sleeve 44 is rotatably connected with a moving block 46, a first connecting key is arranged in each key sleeve 44, a first key groove is formed in each second rotating rod 40, each first connecting key slides leftwards and rightwards in each first key groove, and each first connecting key is matched with each first key groove; a permanent magnet 45 is fixedly connected to the lower side of the moving block 46, an electromagnet 42 is fixedly connected to one side, close to the inner side, of the permanent magnet 45 through a spring 43, and the electromagnet 42 is fixedly arranged on the inner wall of the lower side of the mounting cavity 81;

one side of the second rotating rod 40, which is close to the outside, extends into the rotating cavity 41, the second rotating rod 40 is rotatably connected with the inner wall of the rotating cavity 41, a third bevel gear 38 is fixedly arranged on the second rotating rod 40, the third bevel gear 38 is arranged in the rotating cavity 41, the upper end of the third bevel gear 38 is in meshed connection with a fourth bevel gear 39, the upper end of the fourth bevel gear 39 is fixedly connected with a third rotating rod 31, the third rotating rod 31 extends out of the rotating cavity 41, and threads are arranged on the third rotating rod 31;

a first thread block 30 is symmetrically arranged on the lower surface of the lifting plate 29, the first thread block 30 is in threaded connection with a third rotating rod 31, and a first synchronous pulley 26 is fixedly arranged on the first rotating rod 27;

the second synchronous belt wheels 34 are bilaterally symmetrical, the second synchronous belt wheels 34 are connected with the first synchronous belt wheel 26 through a synchronous belt 28, the second synchronous belt wheels 34 are fixedly arranged on a fourth rotating rod 33, the fourth rotating rod 33 is rotatably connected with the inner wall of the driving cavity 80, and threads are further arranged on the fourth rotating rod 33;

two bilateral symmetry's second screw thread piece 25, second screw thread piece 25 and fourth dwang 33 threaded connection, just second screw thread piece 25 leans on outer one side to connect extrusion piece 37 through first connecting rod 35, extrusion piece 37 runs through drive chamber 80, just extrusion piece 37 leans on outer one side to fix and is equipped with stripper plate 36, stripper plate 36 and the cooperation of the base plate 401 contact of front and back symmetry.

The working principle of the technical scheme is as follows: when the first motor 24 is started, the first rotating rod 27 starts to rotate to drive the first bevel gear 48 to start to rotate, when the lifting is needed, the electromagnet 42 is started, the spring 43 is compressed to drive the permanent magnet 45 and the moving block 46 to move towards the center, the key sleeve 44 is driven to move towards the center, the second bevel gear 47 is meshed with the first bevel gear 48, the second rotating rod 40 starts to rotate to drive the third bevel gear 38 to rotate to drive the second rotating rod 40 to rotate, the second rotating rod 40 drives the third rotating rod 31 to rotate to drive the first thread block 30 to move up and down, and the lifting plate 29 is driven to ascend or descend to complete the lifting action;

the first motor 24 is started, the first rotating rod 27 starts to rotate to drive the first synchronous belt pulley 26 to start to rotate, the second synchronous belt pulleys 34 which are bilaterally symmetrical drive the fourth rotating rod 33 to start to rotate, the second thread block 25 moves downwards to drive the first connecting rod 35 to deflect in the horizontal direction, the extrusion block 37 moves outwards to drive the extrusion plate 36 to extrude (if a sucker can be arranged, the substrate 401 is extruded and adsorbed), and fixing is completed.

The beneficial effects of the above technical scheme are: through setting up electromagnet 42 and permanent magnet 45, can make second bevel gear 47 and first bevel gear 48 meshing or break away from at any time, can effectually make third dwang 31 rotate or stall, it is more convenient to make use, through single motor drive, can effectual saving electric energy, work efficiency is improved, and threaded connection through third dwang 31 and first thread piece 30, drive the lift of first thread piece 30, make the work of lifting plate 29 more stable, the effectual stability of strengthening the device.

Through setting up second synchronous pulley 34, first synchronous pulley 26 and hold-in range 28, can effectually make first dwang 27 and fourth dwang 33 rotatory simultaneously, and second screw block 25 and fourth dwang 33 threaded connection, can make second screw block 25 drive first connecting rod 35 and deflect, stripper plate 36 extrudees base plate 401, it is fixed to accomplish, whole mechanism is stable and the structure is simple and easy, high durability and convenient use, the effectual stability that improves the device, functionality and validity.

Example 7

On the basis of any one of the above embodiments 1 to 3, as shown in fig. 9 to 10, the four-axis mechanism 2 further includes: the dust removal device 49 is detachably arranged on the supporting seat 13, the dust removal device 49 comprises a device shell 50, suction cups 55 are symmetrically arranged on the outer walls of the left side and the right side of the device shell 50, and the suction cups 55 are in contact fit with the supporting seat 13 on the front side and the rear side;

a power cavity 70 is arranged in the device shell 50, a second motor 66 is fixedly arranged on the outer wall of the right side of the power cavity 70, the left side of the second motor 66 is fixedly connected with a first rotating shaft 67 through an output shaft, the first rotating shaft 67 extends into the power cavity 70, the first rotating shaft 67 is rotatably connected with the inner wall of the power cavity 70, the left side of the first rotating shaft 67 is fixedly connected with a rotating block 69, and an arc-shaped groove 72 is formed in the rotating block 69;

the C-shaped connecting rod 73 is provided with an arc-shaped bulge 71 at one side close to the inside of the C-shaped connecting rod 73, the arc-shaped bulge 71 slides in an arc-shaped groove 72, the left side of the C-shaped connecting rod 73 is fixedly provided with a push rod 74, the left side of the push rod 74 is fixedly connected with the vertical section of a protruding rod 75, the front side of the protruding rod 75 is rotatably connected with the inner wall of the front side of the device shell 50 through a mounting block 82, the left side and the right side of the protruding rod 75 are symmetrically hinged with pawls 76, the pawls 76 are meshed with a rack 77, and a connecting spring 83 is arranged between the two pawls 76;

the supporting plate 78 is fixedly arranged on the inner wall of the lower side of the power cavity 70, a groove 79 is formed in the supporting plate 78, the rack 77 slides in the groove 79, the lower end of the rack 77 is connected with the wire harnesses 51 in a bilateral symmetry mode, the wire harnesses 51 extend into the sucker 55 through the lower end of the fixed pulley 56, a moving plate 53 is arranged in the sucker 55, a pull ring 54 is arranged on one side, close to the inner side, of the moving plate 53, and the other end of the wire harnesses 51 is fixedly arranged on the pull ring 54;

a first belt wheel 68 is further fixedly arranged on the first rotating shaft 67, the lower side of the first belt wheel 68 is connected with a second belt wheel 63 through a belt 65, the belt 65 downwardly penetrates into the transmission cavity 64, a second rotating shaft 57 is arranged in the transmission cavity 64, the second belt wheel 63 is fixedly arranged on the second rotating shaft 57, the second rotating shaft 57 leftwards extends into the dust removing cavity 62, the second rotating shaft 57 is rotatably connected with the inner wall of the dust removing cavity 62, rotating blades 58 are further symmetrically arranged on the second rotating shaft 57, and threads are further symmetrically arranged on the second rotating shaft 57;

two left and right third screw blocks 59, the third screw blocks 59 being screw-coupled to the symmetrical screw on the second rotation shaft 57;

the dust removing device 49 is penetrated through the dust removing cavity 62 in front and at the back, two sets of dust removing sets 84 are arranged in a central symmetry manner, the dust removing sets 84 are arranged in the dust removing cavity 62, and the dust removing sets 84 comprise: two bilaterally symmetrical second connecting rods 61, the two second connecting rods 61 are hinged to each other, the other ends of the second connecting rods are hinged to the third thread block 59, and a fan 60 is further fixedly arranged on the second connecting rods 61 (wherein the fan is positioned outside the device shell 50).

The working principle of the technical scheme is as follows: when the second motor 66 is started, the first rotating shaft 67 rotates, the rotating block 69 rotates, the arc-shaped protrusion 71 on the C-shaped connecting rod 73 slides in the arc-shaped groove 72 on the rotating block 69, the C-shaped connecting rod 73 is driven to move left and right, the pushing rod 74 is driven to move left and right, the protrusion rod 75 moves left and right, the pawls 76 on the left side and the right side are respectively meshed with the racks 77, the racks 77 are driven to slide and rise in the grooves 79 on the supporting plate 78, the wiring harness 51 is driven to pull the moving plate 53, and the suction cup 55 is tightly sucked on the supporting seat 13.

When the first rotating shaft 67 rotates, the first belt wheel 68 drives the second rotating shaft 57 on the second belt wheel 63 to rotate through the belt 65, the second rotating shaft 57 rotates to drive the rotating blade 58 to rotate, and the second rotating shaft 57 rotates to drive the third screw blocks 59 to move in the opposite direction or the reverse direction, so as to drive the fan 60 to move.

The beneficial effects of the above technical scheme are: the single motor is used for driving, so that electric energy can be effectively saved, the simplicity and convenience of the whole device are improved, the cost is low, and the rotation of the first rotating shaft 67 can be effectively converted into the reciprocating motion of the push rod 74 by arranging the arc-shaped protrusion 71 to slide in the arc-shaped groove 72; and through setting up two pawls 76, can effectual drive rack 77 when rising, can not because of the effect of gravity and the downstream, the effectual spacing effect that has played sets up sucking disc 55, can effectually make whole device and supporting seat 13 closely laminate, has improved whole device stability and functionality.

By arranging the rotating blades 58 and the fan 60, a small amount of dust in the device can be blown away, the cooling function is achieved, the dust removing and cooling effects can be effectively improved due to various different wind directions, and the rotation of the first rotating shaft 67 can be effectively transmitted to the second rotating shaft 57 through the arrangement of the first belt wheel 68, the second belt wheel 63 and the belt 65; the fan 60 can be blown to the inside of the device at various angles through the left and right movement of the third screw block 59 on the second rotating shaft 57, and the functionality and effectiveness of the device are further improved.

Example 8

On the basis of any one of the above embodiments 1-7, the automatic testing machine system for bluetooth PCBA further comprises:

a first displacement sensor: is arranged on an X-axis slide rail 201 and is used for detecting the moving displacement of the manipulator 200;

a second displacement sensor: the X-axis sliding rail 201 is arranged on the supporting seat 13 and used for detecting the moving displacement of the X-axis sliding rail;

a first speed sensor: mounted on the robot 200, for detecting a moving speed of the robot 200;

a second speed sensor: the X-axis sliding rail is arranged on an X-axis sliding rail 201 and used for detecting the moving speed of the X-axis sliding rail 201;

a timer: the manipulator 200 is used for detecting the working time of the four-axis mechanism 2;

controller, alarm are installed respectively on supporting seat 13, the controller with first displacement sensor, second displacement sensor, first speed sensor, second speed sensor, time-recorder and alarm electricity are connected, the controller is based on first displacement sensor, second displacement sensor, first speed sensor, second speed sensor and time-recorder control the alarm work includes:

step 1: the controller obtains the working state index of the four-axis mechanism 2 based on the first displacement sensor, the second displacement sensor, the first speed sensor, the second speed sensor, the timer and a formula (1):

wherein, K is the working state index of the four-axis mechanism 2, and θ is the dynamic friction factor of the manipulator 200 and the X-axis slide rail 201; d is the mass of the manipulator 200; v₁The detection average value of the first speed sensor in the detection period is obtained;V₂the detection average value of the second speed sensor in the detection period is obtained; l is₁Is the maximum detection value of the first displacement sensor in the detection period; l is₂The maximum detection value of the second displacement sensor in the detection period; b is₁The contact area between the X-axis slide rail 200 and the support base 13; b is₂Is the contact area of the manipulator 200 and the X-axis slide rail 201; l is the total length of the X-axis slide rail 201; e is the mass of the X-axis slide rail 201; t is the duration of the detection period and is obtained based on a timer; t is a unit time; e is a natural constant, and the value is 2.72;

step 2: calculating the working state coefficient of the four-axis mechanism 2 based on the formula (2) and the working state index of the four-axis mechanism 2:

wherein Z is the working state coefficient of the four-axis mechanism 2; ln is a logarithmic function with a natural constant e as a base;

and step 3: comparing the working state coefficient of the four-axis mechanism 2 calculated by the formula (2) with a corresponding preset working state coefficient; and when the working state coefficient of the four-axis mechanism 2 calculated by the formula (2) is not in the corresponding preset working state coefficient range, the controller controls the alarm to give an alarm.

In the formula

The system is used for representing the dynamic friction factor of the manipulator 200 and the X-axis slide rail 201, the mass of the manipulator 200, the maximum moving displacement of the X-axis slide rail 201, the average moving speed of the manipulator 200, the average moving speed of the X-axis slide rail 201, the contact area of the X-axis slide rail 200 and the supporting seat 13 and the length of the X-axis slide rail; the influence coefficient of the influence of the parameters of the quality of the X-axis slide rail 201 on the working state index of the four-axis mechanism 2 is obtained,

as the influence of time on the operating state indexCounting;

and in the formula (2)

The parameters are influence parameters of the working state coefficient based on the working state index of the four-axis mechanism 2, the dynamic friction factor of the manipulator 200 and the X-axis slide rail 201, the moving displacement of the manipulator 200, the moving displacement of the X-axis slide rail 201 and the contact area of the manipulator 200 and the X-axis slide rail 201;

the correction coefficient is the working state coefficient.

In the formula, as the maximum displacement value of the robot 200 and the X-axis slide rail 201 is continuously increased (when the moving speed of the X-axis slide rail 201 is too high, the stability of the four-axis mechanism 2 is also affected), B₂The contact area between the manipulator and the X-axis slide rail 201; b is₂A constant value, while the dynamic friction factor θ generally does not change; the operating state coefficient is increased continuously; when T is continuously increased, namely the detection time is continuously increased, when the working state index K and the dynamic friction factor theta between the manipulator 200 and the X-axis slide rail 201 are not changed, the correction coefficient of the working state coefficient is continuously reduced, and when the correction coefficient is continuously reduced, the working state coefficient is also continuously reduced; when the working state index K calculated by the formula (1) is continuously increased, the correction coefficient of the working state coefficient is continuously increased, otherwise, the correction coefficient is continuously decreased.

Assuming that the dynamic friction factor θ between the robot 200 and the X-axis slide rail 201 is 0.2; the mass D of the manipulator 200 is 5 KG; average value V of moving speed of robot 200₁0.4 m/s; average moving speed V of X-axis slide rail 201₂0.35 m/s; maximum movement displacement S of manipulator 200₁0.7 m; maximum displacement S of the X-axis slide rail 201₂1.5 m; contact area B between X-axis slide rail 200 and support base 13₁＝500cm²(ii) a Contact area B of manipulator 200 and X-axis slide rail 201₂＝160cm²(ii) a The mass E of the X-axis slide rail 201 is 10 KG; the total length L of the X-axis slide rail 201 is 1 m; the working time T of the four-axis mechanism 2 is 720 h; unit time t ═1 h; the natural constant e is 2.72; the working state index K of the four-axis mechanism 2 is 3.69 through calculation; the working state coefficient Z of the four-axis mechanism 2 is 0.11. If the corresponding preset working state coefficient is 0.1-0.3, the controller does not give an alarm at the moment.

The working principle and the beneficial effect of the technical scheme are as follows; the working state index K of the four-axis mechanism 2 is calculated by using a formula (1), then the working state coefficient Z of the four-axis mechanism 2 is calculated by using the formula (2), the working state coefficient Z of the four-axis mechanism 2 calculated by using the formula (2) is compared with a corresponding preset working state coefficient range by using a controller, and when the working state coefficient of the four-axis mechanism 2 calculated by using the formula (2) is not in the corresponding preset working state coefficient range, the controller controls an alarm to give an alarm to prompt a person that the device is abnormal, and timely detects a problem possibly occurring at a certain position of the device. When the power is supplied again, the controller is connected with the first displacement sensor, the second displacement sensor, the first speed sensor, the second speed sensor, the timer and the alarm, and starts working again to perform real-time detection. And realize unusual warning and remind personnel to check the problem through setting up the alarm, can effectual protection personnel and property not receive the loss, reached the purpose of safety protection.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a bluetooth PCBA automatic test machine system, its characterized in that, includes tester base (1), tester base (1) upper end is equipped with four-axis mechanism (2) and a plurality of test shielded cell (3), be equipped with manipulator (200) on four-axis mechanism (2), set up a plurality of suction heads (12) and PCB board detection device (14) on manipulator (200), still be equipped with transmission track (4) on tester base (1), transmission track (4) set up in four-axis mechanism (2) below.

2. The automatic testing machine system of claim 1, wherein the plurality of testing shielding boxes (3) are arranged in two groups, the two groups of testing shielding boxes (3) are symmetrically arranged on the testing machine base (1) in the front and back direction and are located on the front side and the back side of the transmission track (4), shielding covers (7) are arranged on the periphery of the testing machine base (1), and a display screen (5) is arranged on the testing machine base (1).

3. The automatic test machine system of claim 1, wherein,

four-axis mechanism (2) front and back interval is equipped with supporting seat (13), fixed Y axle slide rail (202) that are equipped with in supporting seat (13) upper end, two from front to back sliding connection has X axle slide rail (201) on Y axle slide rail (202), be equipped with X axle linear electric motor (8) on X axle slide rail (201), still sliding connection manipulator (200) on X axle slide rail (201), manipulator (200) are connected through X axle winding displacement tow chain (9) in X axle linear electric motor (8).

4. The automatic Bluetooth PCBA testing machine system according to claim 3, wherein a Y-axis linear motor (11) is arranged on the Y-axis sliding rail (202) at the rear side, a mounting plate (203) is fixedly connected to the rear side of the supporting seat (13) at the rear side, a Y-axis flat cable drag chain (10) is arranged on the mounting plate (203), and the Y-axis linear motor (11) is connected with the X-axis sliding rail (201) through the Y-axis flat cable drag chain (10).

5. The automatic Bluetooth PCBA tester system as in claim 1, wherein the suction head (12) is connected to the working end of the manipulator (200) in a lifting and rotating manner, the suction head (12) and the PCB detection device (14) are both arranged above the transmission rail (4), and the PCB detection device (14) comprises a CCD camera module.

6. A bluetooth PCBA automatic test machine system according to claim 1, characterized in that the transfer track (4) comprises: two base plates (401) of symmetry around, two the intermediate position parallel of base plate (401) is equipped with baffle (402), be equipped with bottom tool belt (16) on baffle (402) and rear side base plate (401), two around be equipped with upper layer plastic uptake belt (15) perpendicularly in the middle of base plate (401), two around base plate (401) top is equipped with top layer plastic uptake dish reloading track (23) perpendicularly.

7. The automatic testing machine system for the Bluetooth PCBA as in claim 6, wherein the lower ends of the two base plates (401) are further provided with a first lifting mechanism (17) and a second lifting mechanism (18) which are bilaterally symmetrical, and the first lifting mechanism (17) is located on the left side of the second lifting mechanism (18).

8. The automatic testing machine system for the Bluetooth PCBA as claimed in claim 7, wherein a jig lifting material taking port (22) is arranged at the upper end of the first lifting mechanism (17) and at the corresponding position of the rear side substrate (401);

a plastic sucking disc lifting track swinging disc (20) is arranged between the front substrate (401) and the rear substrate (401) at the upper end of the second lifting mechanism (18);

rear side still fixed being equipped with on base plate (401) first place board (403) and second place board (19), first place board (403) are located tool lift material taking mouth (22) rear side, first place board (403) right side and be equipped with bottom CCD (21), the second is placed board (19) and is located plastic uptake dish lift track balance (20) rear side.

9. A Bluetooth PCBA automatic tester system as claimed in claim 7, wherein the first lifting mechanism (17) comprises: the driving device comprises a driving cavity (80), wherein a first motor (24) is fixedly arranged at the center of the lower end of the driving cavity (80), the upper end of the first motor (24) is fixedly connected with a first rotating rod (27) through an output shaft, and the first rotating rod (27) extends into the driving cavity (80) and is rotatably connected with the driving cavity (80);

first bevel gear (48) is fixedly arranged on first rotating rod (27), first bevel gear (48) is arranged in installation cavity (81), and installation cavity (81) is internally provided with: the two bilaterally symmetrical second bevel gears (47) are sleeved on the second rotating rod (40), a key sleeve (44) is fixedly arranged on one outer side of each second bevel gear (47), a moving block (46) is rotatably connected to one outer side of each key sleeve (44), a first connecting key is arranged in each key sleeve (44), a first key groove is formed in each second rotating rod (40), the first connecting key slides leftwards and rightwards in the first key groove and is matched with the first key groove; a permanent magnet (45) is fixedly connected to the lower side of the moving block (46), an electromagnet (42) is fixedly connected to one side, close to the inner side, of the permanent magnet (45) through a spring (43), and the electromagnet (42) is fixedly arranged on the inner wall of the lower side of the mounting cavity (81);

one side, close to the outside, of the second rotating rod (40) extends into a rotating cavity (41), the second rotating rod (40) is rotatably connected with the inner wall of the rotating cavity (41), a third bevel gear (38) is fixedly arranged on the second rotating rod (40), the third bevel gear (38) is arranged in the rotating cavity (41), the upper end of the third bevel gear (38) is connected with a fourth bevel gear (39) in a meshed mode, the upper end of the fourth bevel gear (39) is fixedly connected with a third rotating rod (31), the third rotating rod (31) extends out of the rotating cavity (41), and threads are arranged on the third rotating rod (31);

the lifting plate (29), a first thread block (30) is symmetrically arranged on the lower surface of the lifting plate (29), the first thread block (30) is in threaded connection with a third rotating rod (31), and a first synchronous pulley (26) is fixedly arranged on the first rotating rod (27);

the two bilaterally symmetrical second synchronous belt wheels (34), the second synchronous belt wheels (34) are connected with the first synchronous belt wheel (26) through synchronous belts (28), the second synchronous belt wheels (34) are fixedly arranged on a fourth rotating rod (33), the fourth rotating rod (33) is rotatably connected with the inner wall of a driving cavity (80), and threads are further arranged on the fourth rotating rod (33);

two bilateral symmetry's second screw thread piece (25), second screw thread piece (25) and fourth dwang (33) threaded connection, just extrusion piece (37) are connected through first connecting rod (35) to second screw thread piece (25) one side that leans on outer, extrusion piece (37) run through drive chamber (80), just extrusion piece (37) lean on outer one side to be fixed and are equipped with stripper plate (36), stripper plate (36) and preceding and back symmetrical base plate (401) contact cooperation.

10. A bluetooth PCBA automatic test machine system according to claim 1, characterized in that the four-axis mechanism (2) further comprises: the dust removal device (49) is detachably arranged on the supporting seat (13), the dust removal device (49) comprises a device shell (50), sucking discs (55) are symmetrically arranged on the outer walls of the left side and the right side of the device shell (50), and the sucking discs (55) are in contact fit with the supporting seat (13) on the front side and the rear side;

a power cavity (70) is arranged in the device shell (50), a second motor (66) is fixedly arranged on the outer wall of the right side of the power cavity (70), the left side of the second motor (66) is fixedly connected with a first rotating shaft (67) through an output shaft, the first rotating shaft (67) extends into the power cavity (70), the first rotating shaft (67) is rotatably connected with the inner wall of the power cavity (70), the left side of the first rotating shaft (67) is fixedly connected with a rotating block (69), and an arc-shaped groove (72) is formed in the rotating block (69);

the device comprises a C-shaped connecting rod (73), wherein an arc-shaped bulge (71) is arranged on one side, close to the inside, of the C-shaped connecting rod (73), the arc-shaped bulge (71) slides in an arc-shaped groove (72), a pushing rod (74) is fixedly arranged on the left side of the C-shaped connecting rod (73), the left side of the pushing rod (74) is fixedly connected with the vertical section of a protruding rod (75), the front side of the protruding rod (75) is rotatably connected with the inner wall of the front side of a device shell (50) through a mounting block (82), pawls (76) are symmetrically hinged to the left side and the right side of the protruding rod (75), the pawls (76) are meshed with a rack (77), and a connecting spring (83) is arranged between the two pawls (76);

the supporting plate (78) is fixedly arranged on the inner wall of the lower side of the power cavity (70), a groove (79) is formed in the supporting plate (78), the rack (77) slides in the groove (79), the lower end of the rack (77) is connected with the wire harnesses (51) in a bilateral symmetry mode, the wire harnesses (51) extend into the sucker (55) through the lower end of the fixed pulley (56), a moving plate (53) is arranged in the sucker (55), a pull ring (54) is arranged on one side, close to the inner side, of the moving plate (53), and the other end of each wire harness (51) is fixedly arranged on the pull ring (54);

a first belt wheel (68) is further fixedly arranged on the first rotating shaft (67), the lower side of the first belt wheel (68) is connected with a second belt wheel (63) through a belt (65), the belt (65) penetrates into a transmission cavity (64) downwards, a second rotating shaft (57) is arranged in the transmission cavity (64), the second belt wheel (63) is fixedly arranged on the second rotating shaft (57), the second rotating shaft (57) extends into the dust removing cavity (62) leftwards, the second rotating shaft (57) is rotatably connected with the inner wall of the dust removing cavity (62), rotating blades (58) are further symmetrically arranged on the second rotating shaft (57), and threads are further symmetrically arranged on the second rotating shaft (57);

two left and right third threaded blocks (59), wherein the third threaded blocks (59) are in threaded connection with symmetrical threads on the second rotating shaft (57);

the dust removal device (49) is penetrated through the dust removal cavity (62) from front to back, and two sets of dust removal sets (84) with upper and lower centrosymmetric centers are arranged, the dust removal sets (84) are arranged in the dust removal cavity (62), and the dust removal sets (84) comprise: the fan comprises two bilaterally symmetrical second connecting rods (61), the two second connecting rods (61) are hinged to each other, the other ends of the second connecting rods are hinged to a third thread block (59), and a fan (60) is further fixedly arranged on each second connecting rod (61).