CN215964945U

CN215964945U - PCBA subassembly test fixture of domestic audio frequency and video

Info

Publication number: CN215964945U
Application number: CN202122478231.1U
Authority: CN
Inventors: 丁长兵
Original assignee: Shenzhen Ruijiaxin Technology Co ltd
Current assignee: Shenzhen Ruijiaxin Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-08
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a PCBA component testing jig for household audio and video, which comprises a base, wherein four supporting rods are fixedly arranged at the top of the base, a top plate is movably sleeved at the outer sides of the four supporting rods, four hinge joints are movably arranged at the top and the bottom of the top plate, fixing plates are fixedly arranged on two sides of the top plate, two manual telescopic rods are fixedly arranged on opposite sides of the fixing plates, sleeve plates are movably arranged at output ends of the two manual telescopic rods, and two guide rail columns are movably sleeved in the sleeve plates. Through the grid groove and the slider that set up, the operation personnel can be through the slider that slides the setting and keep stable under the effect of spacing seat and prevent to slide, can select the slider that slides or increase and delete it as required the circuit board subassembly of testing for the probe at top corresponds solder joint and electrical components point test, and the demand of the test of being convenient for is different, has increased the convenience that the operation detected.

Description

PCBA subassembly test fixture of domestic audio frequency and video

Technical Field

The utility model belongs to the technical field of PCBA production, and particularly relates to a PCBA component testing jig for household audio and video.

Background

The PCBA is a common writing method in China, and the PCBA is also called as a printed circuit board and a printed circuit board, is an important electronic component, is a support body of an electronic component, is a provider of circuit connection of the electronic component, and is called as a printed circuit board because the PCBA is manufactured by adopting an electronic printing technology. Before the advent of printed circuit boards, interconnections between electronic components were completed by direct wire connections.

Inside PCBA circuit board generally was applied to more electrical apparatus, like audio and video equipment, and need test it when production is assembled in the combination of these circuit boards to performance and qualification to it detect, and different detection position can not be adjusted according to the demand to current special detection tool, and most manual operation when detecting moreover has consequently caused certain inconvenient use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a PCBA component testing jig for household audio and video, which solves the problems that the existing detection jig cannot adjust different detection positions according to requirements and is mostly operated manually during detection.

In order to achieve the purpose, the utility model provides the following technical scheme: a PCBA component testing jig for household audio and video comprises a base, wherein four supporting rods are fixedly mounted at the top of the base, a top plate is movably sleeved on the outer sides of the four supporting rods, four hinge joints are movably mounted at the top and the bottom of the top plate, fixed plates are fixedly mounted on two sides of the top plate, two manual telescopic rods are fixedly mounted on opposite sides of the fixed plates, a sleeve plate is movably mounted at the output ends of the two manual telescopic rods, two guide rail columns are movably sleeved in the sleeve plate, two electric guide rails are movably sleeved on the outer sides of the two guide rail columns, a support plate is fixedly mounted on the opposite side of the two electric guide rails, two electric telescopic rods are fixedly mounted at the bottom of the support plate, a pneumatic sucker mechanism is hinged at the bottom ends of the two electric telescopic rods, a grid groove is formed in the top of the base, the utility model discloses a safety lock for a safety lock, including a grid groove, the inside movable mounting of grid groove has the slider, the top fixed mounting of slider has spacing seat, the top fixed mounting of spacing seat has the sleeve, the telescopic inside activity has cup jointed the cover post, the top fixed mounting of cover post has the limiting plate, the top movable mounting of limiting plate has the survey needle, the bottom fixed mounting of limiting plate has reset spring, the top movable mounting of base has four PIN posts.

Preferably, four hinge joints are hinged and fixed on the outer side of the support rod through bolts.

Through adopting above-mentioned technical scheme, the advantage lies in making the roof position can fix to can set up the height of whole operation, the operation of being convenient for goes on, realizes the demand of not co-altitude operation.

Preferably, one end, far away from the limiting plate, of the return spring is fixedly installed at the top of the limiting seat, and the return spring is sleeved on the outer sides of the sleeve and the sleeve column.

Through adopting above-mentioned technical scheme, the advantage lies in that sleeve and cover post of being convenient for retract when the survey probe contact circuit board, when can providing in close contact, prevents that the circuit board from being the fish tail, has increased operating efficiency and security.

Preferably, the number of the sliding blocks is at least four, and the inside of the sleeve column is provided with a wire guide groove.

By adopting the technical scheme, the test device has the advantages that the sliding slide block can be selected or added or deleted according to the circuit board assembly to be tested, so that the test pins at the top are subjected to corresponding welding points and electrical element point tests, the test requirements are different, the convenience of operation detection is improved, and meanwhile, the wire groove in the sleeve column is used for connecting wires to the test pins, so that the circuit and current conditions in the contacted circuit board can be measured by the measuring instrument.

Preferably, four the outside of PIN post is the even symmetric distribution of rectangle at the top of base, and the cushion has all been cup jointed in the activity in the outside of four PIN posts, the bottom fixed mounting of cushion has spacing spring.

Through adopting above-mentioned technical scheme, the advantage lies in moving down when electric telescopic handle moves down its drive with the outside of the PIN post of presetting the position with four holes cover of circuit board, and circuit board contact cushion provides support and buffering for it.

Preferably, one end of the limiting spring, which is far away from the soft pad, is movably abutted to the top of the base, and the limiting spring is sleeved on the outer side of the PIN column.

Through adopting above-mentioned technical scheme, the advantage lies in that the circuit board is with spacing spring compression for it can undertake moment, can increase the measurement security of circuit board moreover, prevents that the measured circuit board from damaging.

Preferably, the front surface of the top plate is movably provided with an operation plate.

Through adopting above-mentioned technical scheme, the advantage lies in the controller that the operation panel can inside set up, for the device measurement provides automated control, is convenient for alleviate manual work intensity.

Compared with the prior art, the utility model has the beneficial effects that:

1. can move down the contact circuit board with pneumatic chuck mechanism through the electric telescopic handle who sets up, adsorb the circuit board, then electronic guide rail return is middle to, cup joint four holes of circuit board in the outside of the PIN post of presetting the position, contact probe such as circuit solder joint or component of circuit board bottom after, the probe is under sleeve and cover post and reset spring's the returning back, the contact of being convenient for is inseparable, and prevent to stab the circuit board, then the wire that the probe is connected will measure in electric current etc. transmits the measuring computer, with numerical value display, different circuit board assembly measurements can be carried out fast to this scheme, and can the automation operation, operating personnel's operating strength has been alleviateed, the operating efficiency has been increased.

2. Through the grid groove and the slider that set up, the operation personnel can be through the slider that slides the setting and keep stable under the effect of spacing seat and prevent to slide, can select the slider that slides or increase and delete it as required the circuit board subassembly of testing for the probe at top corresponds solder joint and electrical components point test, and the demand of the test of being convenient for is different, has increased the convenience that the operation detected.

Drawings

FIG. 1 is a front perspective structural view of the present invention;

FIG. 2 is a schematic diagram of a rear perspective structure according to the present invention;

FIG. 3 is a rear view partially in section structural schematic of the present invention;

fig. 4 is a schematic view of the internal cross-section of the sleeve and the sleeve column of the present invention.

In the figure: 1. a base; 2. an operation panel; 3. a PIN post; 4. a strut; 5. reaming the coupling; 6. a fixing plate; 7. a top plate; 8. a manual telescopic rod; 9. sheathing; 10. a guide rail column; 11. a return spring; 12. a soft cushion; 13. a limiting spring; 14. a grid groove; 15. a pneumatic suction cup mechanism; 16. a slider; 17. a limiting seat; 18. a limiting plate; 19. an electric telescopic rod; 20. an electric rail; 21. a support plate; 22. measuring a needle; 23. a sleeve; 24. and (5) sleeving a column.

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 apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, a PCBA assembly testing fixture for household audio and video comprises a base 1, four supporting rods 4 are fixedly mounted at the top of the base 1, a top plate 7 is movably sleeved at the outer sides of the four supporting rods 4, four hinge joints 5 are movably mounted at the top and bottom of the top plate 7, fixing plates 6 are fixedly mounted at both sides of the top plate 7, two manual telescopic rods 8 are fixedly mounted at opposite sides of the fixing plates 6, a sleeve plate 9 is movably mounted at the output end of the two manual telescopic rods 8, two guide rail columns 10 are movably sleeved in the sleeve plate 9, two electric guide rails 20 are movably sleeved at the outer sides of the two guide rail columns 10, support plates 21 are fixedly mounted at opposite sides of the two electric guide rails 20, two electric telescopic rods 19 are fixedly mounted at the bottom of the support plates 21, pneumatic suction cup mechanisms 15 are hinged at the bottom ends of the two electric telescopic rods 19, a grid groove 14 is formed in the top of the base 1, the inside movable mounting of grid groove 14 has slider 16, and the top fixed mounting of slider 16 has spacing seat 17, and the top fixed mounting of spacing seat 17 has sleeve 23, and sleeve column 24 has been cup jointed in the inside activity of sleeve 23, and the top fixed mounting of sleeve column 24 has limiting plate 18, and the top movable mounting of limiting plate 18 has stylus 22, and the bottom fixed mounting of limiting plate 18 has reset spring 11, and the top movable mounting of base 1 has four PIN posts 3.

The working principle of the technical scheme is as follows:

during operation, an operator places the device on two sides of a production transmission line of a circuit board on the side to be measured, or places the circuit board to be measured on two sides of the device, then adjusts the length of a manual telescopic rod 8 according to different operation requirements, so that the lengths of a sleeve plate 9 and a guide rail column 10 are lengthened, the position of an electric guide rail 20 is convenient to move, then the electric guide rail 20 is fixed on the outer side of a supporting rod 4 after a bolt is hinged inside a hinge joint 5, so that a top plate 7 is fixed, a pneumatic suction cup mechanism 15 is connected with an air compressor through a hose, then equipment is started after the device is set with parameters, the electric guide rail 20 moves to one side along the guide rail column 10 during equipment operation, a supporting plate 21 is driven to move, after a preset position is reached, an electric telescopic rod 19 is lengthened, the pneumatic suction cup mechanism 15 is moved downwards to contact with the circuit board, the circuit board is adsorbed, and then the electric guide rail 20 returns to the middle, the electric telescopic rod 19 is driven by the electric telescopic rod to move down to sleeve four holes of the circuit board outside the PIN column 3 at the preset position, the relative position is fixed, then the contact measuring PINs 22 such as circuit welding points or elements at the bottom of the circuit board are contacted, the measuring PINs 22 are retracted under the sleeves 23, the sleeve columns 24 and the reset spring 11, the contact is convenient to be tight, the circuit board is prevented from being punctured, then wires connected by the measuring PINs 22 transmit measuring currents to a measuring computer, numerical value display is carried out, different circuit board components can be rapidly measured according to the scheme, automatic operation is realized, the operation intensity of operators is reduced, and the operation efficiency is increased.

In another embodiment, as shown in fig. 1-3, four hinge collars 5 are each fixed to the outside of the strut 4 by bolting.

After the bolts are hinged inside the hinged hoops 5, the hinged hoops can be fixed on the outer side of the supporting rod 4, so that the position of the top plate 7 can be fixed, the height of the whole operation can be set, the operation is convenient to carry out, and the requirements of the operation with different heights are met.

In another embodiment, as shown in fig. 4, one end of the return spring 11 away from the position-limiting plate 18 is fixedly mounted on the top of the position-limiting seat 17, and the return spring 11 is sleeved outside the sleeve 23 and the sleeve column 24.

The reset spring 11 provides the elastic force of retraction for the sleeve 23 and the sleeve column 24, the reset spring 11 applies force to the opposite sides of the limiting seat 17 and the limiting plate 18 respectively, the sleeve 23 and the sleeve column 24 are convenient to retract when the probe 22 contacts the circuit board, the circuit board is prevented from being scratched when close contact is provided, and the operation efficiency and the safety are improved.

In another embodiment, as shown in fig. 1-3, the number of sliders 16 is at least four, and the inside of the sleeve post 24 is provided with a wire guide groove.

Through the grid groove 14 and the slider 16 that set up, the operation personnel can be through the slider 16 that slides the setting and keep stable and prevent sliding under spacing seat 17's effect, can select the slider 16 that slides or increase and delete it as required the circuit board subassembly of testing for the probe 22 at top corresponds solder joint and electrical components point test, the demand of being convenient for test is different, the convenience that the operation detected has been increased, the inside wire casing of socle 24 is used for being connected to the wire to probe 22 simultaneously, so that measure the circuit and the electric current condition of the circuit board inside of contact through measuring instrument.

In another embodiment, as shown in fig. 1-3, the outsides of the four PIN columns 3 are uniformly and symmetrically distributed on the top of the base 1 in a rectangular shape, the outsides of the four PIN columns 3 are movably sleeved with the cushion 12, the bottom of the cushion 12 is fixedly provided with the limiting spring 13, one end of the limiting spring 13, which is far away from the cushion 12, is movably abutted against the top of the base 1, and the limiting spring 13 is sleeved on the outside of the PIN column 3.

When the electric telescopic handle 19 moves down the four holes of the circuit board to be sleeved outside the PIN 3 at the preset position, the circuit board contacts the cushion 12 to provide support and buffering for the circuit board, and the limiting spring 13 is compressed, so that the moment can be borne by the circuit board, the measurement safety of the circuit board can be increased, the measured circuit board is prevented from being damaged, and the relative fixing position is fixed, after measurement, the circuit board stretches out and draws back through the electric telescopic handle 19, the electric guide rail 20 moves, and the pneumatic sucker mechanism 15 moves to the other side, so that the next operation flow is facilitated.

In another embodiment, as shown in fig. 1 and 2, an operation panel 2 is movably installed on the front surface of the top plate 7.

The controller that operation panel 2 can inside set up provides automated control for the device measurement, and the output of operation panel 2 passes through wire and pneumatic chuck mechanism 15, electric telescopic handle 19 and electric guide rail 20's input electric connection, if there is the operation needs can add infrared ray sensor for operation panel 2 adapts to more complicated operational environment.

The working principle and the using process of the utility model are as follows: during operation, an operator places the device on two sides of a production transmission line of a circuit board to be measured or places circuit boards to be measured on two sides of the device, then adjusts the length of a manual telescopic rod 8 according to different operation requirements, so that the lengths of a sleeve plate 9 and a guide rail column 10 are lengthened, the position of an electric guide rail 20 is convenient to move, then the electric guide rail 20 is fixed on the outer side of a supporting rod 4 after a bolt is hinged inside a hinge joint 5, a top plate 7 is fixed, a pneumatic suction cup mechanism 15 is connected with an air compressor through a hose, then equipment is started after parameters are set through an operation plate 2, the electric guide rail 20 moves to one side along the guide rail column 10 during equipment operation, a supporting plate 21 is driven to move, after a preset position is reached, an electric telescopic rod 19 is lengthened, the pneumatic suction cup mechanism 15 is moved downwards to contact with the circuit board to be adsorbed, and then the electric guide rail 20 returns to the middle, the electric telescopic rod 19 is driven by the electric telescopic rod to move down to sleeve four holes of the circuit board outside the PIN column 3 at the preset position, the circuit board contact cushion 12 provides support and buffering for the circuit board, then the circuit welding points or elements at the bottom of the circuit board contact measuring PINs 22, the measuring PINs 22 are under the retraction of the sleeve 23, the sleeve column 24 and the reset spring 11, the circuit board is convenient to contact tightly and prevented from being punctured, then the wires connected by the measuring PINs 22 transmit measuring current to a measuring computer, the numerical value is displayed, different circuit board assembly measurement can be rapidly carried out according to the scheme, automatic operation can be realized, the operation intensity of operators is reduced, and the operation efficiency is increased.

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

Claims

1. The utility model provides a PCBA subassembly test fixture of domestic audio frequency and video, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with four supporting rods (4), the outer sides of the four supporting rods (4) are movably sleeved with a top plate (7), the top and the bottom of the top plate (7) are movably provided with four hinge rings (5), two sides of the top plate (7) are fixedly provided with a fixed plate (6), the opposite sides of the fixed plate (6) are fixedly provided with two manual telescopic rods (8), the output ends of the two manual telescopic rods (8) are movably provided with a sleeve plate (9), the inner part of the sleeve plate (9) is movably sleeved with two guide rail columns (10), the outer sides of the two guide rail columns (10) are movably sleeved with two electric guide rails (20), the opposite sides of the two electric guide rails (20) are fixedly provided with supporting plates (21), and the bottom of the supporting plates (21) is fixedly provided with two electric telescopic rods (19), two the bottom of electric telescopic handle (19) articulates there is pneumatic chuck mechanism (15), grid groove (14) have been seted up to the inside at base (1) top, the inside movable mounting of grid groove (14) has slider (16), the top fixed mounting of slider (16) has spacing seat (17), the top fixed mounting of spacing seat (17) has sleeve (23), sleeve post (24) have been cup jointed in the inside activity of sleeve (23), the top fixed mounting of sleeve post (24) has limiting plate (18), the top movable mounting of limiting plate (18) has survey needle (22), the bottom fixed mounting of limiting plate (18) has reset spring (11), the top movable mounting of base (1) has four PIN post (3).

2. The PCBA component test fixture for household audio and video, according to claim 1, is characterized in that: the four hinge joints (5) are hinged and fixed on the outer side of the support rod (4) through bolts.

3. The PCBA component test fixture for household audio and video, according to claim 1, is characterized in that: one end, far away from the limiting plate (18), of the return spring (11) is fixedly installed at the top of the limiting seat (17), and the return spring (11) is sleeved on the outer sides of the sleeve (23) and the sleeve column (24).

4. The PCBA component test fixture for household audio and video, according to claim 1, is characterized in that: the number of the sliding blocks (16) is at least four, and a wire guide groove is formed in the sleeve column (24).

5. The PCBA component test fixture for household audio and video, according to claim 1, is characterized in that: four the outside of PIN post (3) is the even symmetric distribution of rectangle at the top of base (1), and the equal activity in the outside of four PIN posts (3) has cup jointed cushion (12), the bottom fixed mounting of cushion (12) has spacing spring (13).

6. The PCBA component test fixture for household audio and video, according to claim 5, is characterized in that: the one end activity of keeping away from cushion (12) in spacing spring (13) is contradicted at the top of base (1), spacing spring (13) cup joint in the outside of PIN post (3).

7. The PCBA component test fixture for household audio and video, according to claim 1, is characterized in that: the front surface of the top plate (7) is movably provided with an operation plate (2).