CN211697888U

CN211697888U - Carrier for PCBA (printed circuit board assembly) connection board test

Info

Publication number: CN211697888U
Application number: CN201922370523.6U
Authority: CN
Inventors: 李朗; 王欣; 李谷
Original assignee: Chengdu Bojay Automation Equipment Co ltd
Current assignee: Chengdu Bojay Automation Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-16
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a carrier for PCBA even board test, comprising a base plate, the upper end of bottom plate is provided with the guide pillar mount pad by avris department, equal fixed mounting has the guide pillar of leading on a plurality of guide pillar mount pads, many lead and cup jointed down the faller on the shaft of guide pillar, many lead all fixedly on the shaft of guide pillar be provided with ball guide pillar guide pin bushing, the equal fixed connection in upper end of a plurality of ball guide pillar guide pin bushings is in the bottom surface of faller down, the bottom of faller is provided with many support column fixed connection on the bottom plate down, the equal fixed high screw such as being provided with in upper end of many support columns, the bottom plate up end is by fixed two slide rails that are provided with in both sides side department, the equal slip is provided with the slider on two slide rails, two slide rails are by the equal fixed gyro wheel seat that is. The utility model has the advantages of being simple in structure and convenient in operation, can test multiple work piece.

Description

Carrier for PCBA (printed circuit board assembly) connection board test

Technical Field

The utility model relates to a carrier field especially relates to a carrier that is used for PCBA even board to test.

Background

The PCBA connecting plate is a printed circuit board, also called a printed circuit board and a printed circuit board, usually uses an English abbreviation PCB, is an important electronic component, is a support body of an electronic element, is a provider of circuit connection of the electronic element, and needs to be subjected to a clamp pressing test when the PCBA connecting plate is tested.

When the existing test carrier is used, a single plate is manually taken off to each same station for placing, pressing and testing, 6-12 DUT products can be placed, and only upper and lower needle-mounted plates need to be replaced for testing different products, so that the carrier has the following defects: the multiple clamps occupy space; the manual operation is heavy, and the subsequent automatic butt joint is difficult; the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a carrier for PCBA even board test.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a carrier for PCBA (printed circuit board assembly) connecting plate testing comprises a bottom plate, wherein guide pillar mounting seats are arranged at the positions, close to the lateral sides, of the upper end of the bottom plate, guide pillars are fixedly mounted on the guide pillar mounting seats, lower needle plates are sleeved on the pillar bodies of the guide pillars in a sliding mode, ball guide pillar guide sleeves are fixedly arranged on the pillar bodies of the guide pillars, the upper ends of the ball guide pillar guide sleeves are fixedly connected to the bottom surface of the lower needle plate, a plurality of support pillars are fixedly connected to the bottom plate, equal-height screws are fixedly arranged at the upper ends of the support pillars, two slide rails are fixedly arranged at the positions, close to the two lateral sides, of the upper end surface of the bottom plate, slide blocks are arranged on the two slide rails in a sliding mode, roller seats are fixedly arranged at the positions, close to the rear ends of the two slide rails, deep groove bearings are arranged at the inner ends, the bottom one side and two slider up end fixed connection of rack, the opposite side of rack slides on two deep groove bearings, the rack is close to the fixed cylinder connecting plate that is provided with in one end bottom of gyro wheel seat, both ends are leaned on middle part department and are fixed respectively and be provided with mount pad and No. two mount pads around the bottom plate, a mount pad and No. two mount pad internal fixation are provided with the form of a stroke or a combination of strokes cylinder, the fixed piston rod that is provided with of output of the form of a stroke or a combination of strokes cylinder, the other end and the cylinder connecting plate fixed connection of piston rod, the rack leans on front end edge fixedly connected with layer board, the layer board is through two connecting screw fixedly connected with micro-gap.

As a further description of the above technical solution:

the lower end of each of two side edges of the lower needle plate is provided with a lifting cylinder which is fixedly connected to the bottom plate, and the output ends of the two lifting cylinders are connected with the bottom surface of the lower needle plate.

As a further description of the above technical solution:

and throttle valves are arranged on the two lifting cylinders.

As a further description of the above technical solution:

and one ends of the two slide rails, which are far away from the roller seat, are fixedly provided with stop blocks.

As a further description of the above technical solution:

one end of the pen-shaped air cylinder, which is far away from the piston rod, is fixedly connected with an upright joint.

As a further description of the above technical solution:

and the bottom plate, the lower needle plate and the corner end of the placing frame are all subjected to fillet guiding treatment.

The utility model discloses following beneficial effect has:

the utility model provides a carrier for PCBA link plate test, this carrier can change the position of each part in order to carry out the location loading to the product of different grade type, makes and need not set up a plurality of anchor clamps in the device, has reduced the device and has taken up an area of the space; meanwhile, the device can be smoothly butted with a test circuit, the whole device is very simple to operate, and the working efficiency is greatly improved.

Drawings

Fig. 1 is a schematic diagram of a basic structure of a carrier for a PCBA connection board test according to the present invention;

fig. 2 is an enlarged view of fig. 1-a according to the present invention.

Illustration of the drawings:

1. a base plate; 2. a guide post mounting seat; 3. leading to a guide post; 4. a ball guide post and a guide sleeve; 5. a lower needle plate; 6. a slide rail; 7. a slider; 8. a roller seat; 9. a deep groove bearing; 10. placing a rack; 11. a cylinder connecting plate; 12. a first mounting seat; 13. a second mounting seat; 14. a pen-shaped cylinder; 15. a piston rod; 16. a vertical joint; 17. a stopper; 18. a support plate; 19. a microswitch top plate; 20. a connecting screw; 21. a support pillar; 22. an equal-height screw; 23. a lifting cylinder; 24. a throttle valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a carrier for PCBA (printed circuit board assembly) connecting board testing comprises a bottom plate 1, guide pillar mounting seats 2 are arranged at the positions, close to the lateral sides, of the upper end of the bottom plate 1, guide pillars 3 are fixedly mounted on a plurality of guide pillar mounting seats 2, a plurality of guide pillar 3 guiding bodies are sleeved with a lower needle plate 5 in a sliding mode, the lower needle plate 5 is used for jacking a workpiece to eject a testing needle after testing is finished, ball guide pillar guide sleeves 4 are fixedly arranged on the guide pillar 3 guiding bodies, the upper ends of the ball guide pillar guide sleeves 4 are fixedly connected to the bottom surface of the lower needle plate 5, a plurality of support pillars 21 are fixedly connected to the bottom plate 1 at the bottom end of the lower needle plate 5, equal-height screws 22 are fixedly arranged at the upper ends of the support pillars 21 and the equal-height screws 22, the lowest height of the lower needle plate 5 can be guaranteed, two sliding rails 6 are fixedly arranged at the positions, close to the two lateral sides, the two slide rails 6 are fixedly provided with roller seats 8 near the rear ends, the inner ends of the two roller seats 8 are provided with deep groove bearings 9, the upper end of the bottom plate 1 is provided with a placing rack 10, one side of the bottom end of the placing rack 10 is fixedly connected with the upper end surfaces of the two slide blocks 7, the other side of the placing rack 10 slides on the two deep groove bearings 9, the bottom of one end, close to the roller seats 8, of the placing rack 10 is fixedly provided with a cylinder connecting plate 11, the front end and the rear end of the bottom plate 1 are respectively and fixedly provided with a first mounting seat 12 and a second mounting seat 13 near the middle part, a pen-shaped cylinder 14 is fixedly arranged in the first mounting seat 12 and the second mounting seat 13, the output end of the pen-shaped cylinder 14 is fixedly provided with a piston rod 15, the other end of the piston rod 15 is fixedly connected with the cylinder connecting plate 11, the placing rack 10 can, the supporting plate 18 is fixedly connected with a microswitch top plate 19 through two connecting screws 20.

Lower faller 5's both sides limit lower extreme all is provided with lift cylinder 23 fixed connection on bottom plate 1, two lift cylinder 23's output all is connected with lower faller 5's bottom surface, two lift cylinder 23 can control down faller 5 along leading guide pillar 3 up-and-down slip, all be provided with choke valve 24 on two lift cylinder 23, the one end that gyro wheel seat 8 was kept away from to two slide rails 6 all is fixed and is provided with dog 17, can prevent slider 7 slip derail, the one end fixedly connected with vertical joint 16 of piston rod 15 is kept away from to pen-shaped cylinder 14, bottom plate 1, lower faller 5 and the corner end of rack 10 all make and lead fillet and handle.

The working principle is as follows: when the pen-shaped air cylinder is used, a workpiece with a detection function is placed in a groove formed in the bottom plate 1, then the pen-shaped air cylinder 14 is started, and the pen-shaped air cylinder 14 drives the air cylinder connecting plate 11 to move through the piston rod 15. The cylinder connecting plate 11 drives the whole placing frame 10 to move along the two sliding rails 6 to clamp a workpiece, then the testing thimble is connected to start testing, after the testing is finished, the two lifting cylinders 23 are started, the two lifting cylinders 23 drive the lower needle plate 5 to move upwards along the four guide pillars 3, the workpiece is driven to move upwards, and the workpiece and the testing thimble are separated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A carrier for PCBA even board test, includes bottom plate (1), its characterized in that: guide post mounting seats (2) are arranged at the positions, close to the lateral sides, of the upper end of the bottom plate (1), guide posts (3) are fixedly mounted on a plurality of the guide post mounting seats (2), a plurality of guide posts (3) are sleeved with lower needle plates (5) in a sliding manner on post bodies, a plurality of ball guide post guide sleeves (4) are fixedly arranged on the post bodies of the guide posts (3), the upper ends of the ball guide post guide sleeves (4) are fixedly connected to the bottom surfaces of the lower needle plates (5), a plurality of support columns (21) are arranged at the bottom ends of the lower needle plates (5) and fixedly connected to the bottom plate (1), equal-height screws (22) are fixedly arranged at the upper ends of the support columns (21), two slide rails (6) are fixedly arranged at the positions, close to the lateral sides, of the upper end face of the bottom plate (1), slide blocks (7) are arranged on the two slide rails (6) in a sliding manner, and roller seats (8, deep groove bearings (9) are arranged at the inner ends of the two roller seats (8), a placing rack (10) is arranged at the upper end of the bottom plate (1), one side of the bottom end of the placing rack (10) is fixedly connected with the upper end faces of the two sliding blocks (7), the other side of the placing rack (10) slides on the two deep groove bearings (9), a cylinder connecting plate (11) is fixedly arranged at the bottom of one end, close to the roller seats (8), of the placing rack (10), a first mounting seat (12) and a second mounting seat (13) are fixedly arranged at the front end and the rear end of the bottom plate (1) close to the middle part respectively, a pen-shaped cylinder (14) is fixedly arranged in the first mounting seat (12) and the second mounting seat (13), a piston rod (15) is fixedly arranged at the output end of the pen-shaped cylinder (14), and the other end of the piston rod (15) is, the rack (10) is close to a front end edge fixedly connected with a supporting plate (18), and the supporting plate (18) is fixedly connected with a microswitch top plate (19) through two connecting screws (20).

2. The carrier of claim 1, wherein: the lower ends of two side edges of the lower needle plate (5) are respectively provided with a lifting cylinder (23) which is fixedly connected to the bottom plate (1), and the output ends of the lifting cylinders (23) are respectively connected with the bottom surface of the lower needle plate (5).

3. The carrier of claim 2, wherein: and throttle valves (24) are arranged on the two lifting cylinders (23).

4. The carrier of claim 1, wherein: and one ends of the two slide rails (6) far away from the roller seat (8) are fixedly provided with stop blocks (17).

5. The carrier of claim 1, wherein: one end of the pen-shaped air cylinder (14) far away from the piston rod (15) is fixedly connected with an upright joint (16).

6. The carrier of claim 1, wherein: and corner ends of the bottom plate (1), the lower needle plate (5) and the placing frame (10) are subjected to fillet guiding treatment.