CN218099292U

CN218099292U - Positioning fixture for PCB function test

Info

Publication number: CN218099292U
Application number: CN202221993710.5U
Authority: CN
Inventors: 王严杰; 何娜娜; 黄昌娃; 王庆伟
Original assignee: Suzhou Jieke Weili Automation Technology Co ltd
Current assignee: Suzhou Jieke Weili Automation Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-20
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a positioning fixture for PCB board functional test, comprising a base plate, landing leg fixed connection support plate is passed through to the bottom plate upper surface, the metal mesh board has been laid to the through-hole opening part of support plate surface intermediate position, the support plate surface is close to back position fixed connection fixed plate, fixed plate internal surface complex has the rubber strip, the support plate surface is close to right side wall position fixed connection limiting plate, the support plate surface is close to positive position slip grafting and has splint, splint internal surface complex has the rubber slab. Before detecting PCB, inside two limits laminating of the PCB of rectangular structure the spacing framework of L type that fixed plate and limiting plate are constituteed, ceramic cushion to PCB auxiliary stay, the measurement personnel vertically promote the traction lever to promote splint along the bottom plate, the rubber slab laminating of splint internal surface is at the PCB outer wall, and is effectual fixed to its border position centre gripping, and not only stability is good, and is difficult for causing the wearing and tearing and the mistake collision of PCB upper surface, improves the security of using.

Description

Positioning fixture for PCB function test

Technical Field

The utility model belongs to the technical field of the product detection articles for use, concretely relates to positioning fixture for PCB board functional test.

Background

Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components. In the process of PCB production and processing, a detection instrument is needed to detect the performance of the PCB, and before detection, a positioning clamp is used for clamping and fixing the PCB.

The existing positioning fixture mostly uses a locking piece to be pressed on the upper surface of a PCB when the PCB is clamped, and the clamping mode easily causes indentation, scratch and even damage on the surface of the PCB, causes unnecessary damage to the PCB and influences the quality of a product, so that the positioning fixture for testing the functions of the PCB is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture for PCB board functional test to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positioning fixture for PCB board functional test, includes the bottom plate, the landing leg fixed connection support plate is passed through to the bottom plate upper surface, the metal mesh board has been laid to the through-hole opening part of support plate surface intermediate position, the support plate surface is close to back position fixed connection fixed plate, fixed plate internal surface complex has the rubber strip, the support plate surface is close to right side wall position fixed connection limiting plate, the support plate surface is close to positive position slip grafting and has splint, splint internal surface complex has the rubber slab, splint upper surface slip grafting traction lever, the grafting end fixed connection clamp plate of traction lever, the spring has been cup jointed to the traction lever outside, support plate upper surface fixed connection ceramic cushion before detecting PCB, laminate two limits of the PCB of rectangular structure inside the spacing framework of L type that fixed plate and limiting plate are constituteed, ceramic cushion is to PCB auxiliary stay, and surveyor vertically promotes the traction lever to promote splint along the bottom plate, the rubber slab laminating of splint internal surface is at the PCB outer wall, and is effectual fixed to its border position centre gripping, and not only stability is good, and is difficult for causing the wearing and the mistake of PCB upper surface, improves the security of using.

Preferably, the ceramic cushion block is located outside the metal mesh plate, and the ceramic cushion block is located inside a U-shaped frame formed by the fixing plate, the limiting plate and the clamping plate.

Preferably, the surface of the carrier plate is fixedly connected with a non-slip mat, and the non-slip mat is positioned below the pressing plate.

Preferably, an exhaust fan is installed on the surface of the base plate, and an air suction end of the exhaust fan is connected with the air suction cover in a conduction mode.

Preferably, a controller is installed on the surface of the bottom plate, and the controller is electrically connected with the exhaust fan.

Preferably, the surface of the bottom plate is fixedly connected with a wire clamp, and the wire clamp is positioned on one side of the metal mesh plate.

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

1. before detecting PCB, inside two limits laminating of the PCB of rectangular structure the spacing framework of L type that fixed plate and limiting plate are constituteed, ceramic cushion to PCB auxiliary stay, the measurement personnel vertically promote the traction lever to promote splint along the bottom plate, the rubber slab laminating of splint internal surface is at the PCB outer wall, and is effectual fixed to its border position centre gripping, and not only stability is good, and is difficult for causing the wearing and tearing and the mistake collision of PCB upper surface, improves the security of using.

2. Bottom plate surface mounting air discharge fan, the end turn-on connection exhaust hood of breathing in of air discharge fan, the air discharge fan cooperation exhaust hood uses, when carrying out PCB detection, according to the needs that use, through external power supply to the air discharge fan power supply, the heat that produces in the testing process is directional emission under the negative pressure effect of exhaust hood opening part, reduces thermal piling up, makes things convenient for the circulation to use anchor clamps to detect PCB in batches.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the connection structure of the bottom plate and the carrier plate of the present invention;

fig. 3 is a schematic view of the splint structure of the present invention.

In the figure: 1. a base plate; 2. a controller; 201. an exhaust fan; 202. an air exhaust cover; 3. a carrier plate; 4. wire clamping; 5. a metal mesh plate; 6. a ceramic cushion block; 7. a limiting plate; 8. a fixing plate; 801. a rubber strip; 9. a splint; 901. a rubber plate; 902. a draw bar; 903. pressing a plate; 904. a spring; 10. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a positioning fixture for PCB board functional test, comprising a base plate 1, the support plate 3 is passed through landing leg fixed connection to the bottom plate 1 upper surface, the through-hole opening part of support plate 3 surperficial intermediate position has been laid metal mesh board 5, support plate 3 surface is close to back position fixed connection

fixed plate

8, 8 internal surfaces of fixed plate compound has rubber strip 801, support plate 3 surface is close to right side wall position fixed connection limiting plate 7, support plate 3 surface is close to the front position and has been slided and peg graft and have splint 9, splint 9 internal surface compound has rubber slab 901, splint 9 upper surface slip grafting traction lever 902, the grafting end fixed connection clamp plate 903 of traction lever 902, the spring 904 has been cup jointed to the traction lever 902 outside, support plate 3 upper surface fixed connection ceramic cushion 6, ceramic cushion 6 is located the outside of metal mesh board 5, ceramic cushion 6 is located fixed plate 8, the U style of calligraphy frame that limiting plate 7 and splint 9 constitute, support plate 3 surface fixed connection slipmat 10, slipmat 10 is located the below position of clamp plate 903.

As can be seen from the above description, the present invention has the following advantages: before detecting PCB, laminate two limits of the PCB of rectangular structure inside the spacing framework of L type that fixed plate 8 and limiting plate 7 are constituteed, ceramic cushion 6 is to PCB auxiliary stay, and the measurement personnel vertically promotes traction lever 902 to promote splint 9 along bottom plate 1, the rubber slab 901 laminating of splint 9 internal surface is at the PCB outer wall, and is effectual fixed to its border position centre gripping, and not only stability is good, and is difficult for causing the wearing and tearing and the mistake collision of PCB upper surface, improves the security of using.

Example two:

referring to fig. 1 and fig. 2, based on the first embodiment, the present invention provides a technical solution: the exhaust fan 201 is installed on the surface of the base plate 1, the air suction end of the exhaust fan 201 is connected with the air suction cover 202 in a conduction mode, the controller 2 is installed on the surface of the base plate 1, and the controller 2 is electrically connected with the exhaust fan 201.

Adopt above-mentioned air discharge fan 201 cooperation suction hood 202 to use, when carrying out PCB detection, as required when using, through external power supply to air discharge fan 201 power supply, the heat that produces in the testing process is directional emission under the negative pressure effect of suction hood 202 opening part, reduces thermal piling up, and convenient circulation uses anchor clamps to carry out batch detection to PCB.

Further, referring to fig. 1, the wire clamp 4 is fixedly connected to the surface of the bottom plate 1, the wire clamp 4 is located on one side of the metal mesh plate 5, and the wire clamp 4 is used for assisting clamping of a detection line of a detection instrument, so that positioning and taking are facilitated, and detection efficiency is improved.

The utility model discloses a theory of operation and use flow: before PCB detection, two edges of a rectangular PCB are attached to the inside of an L-shaped limiting framework composed of a fixing plate 8 and a limiting plate 7, a ceramic cushion block 6 is used for supporting the PCB in an auxiliary mode, a detection person longitudinally lifts a traction rod 902, a pressing plate 903 is separated from an anti-skid pad 10, a spring 904 is elastically deformed and then pushes a clamping plate 9 along a bottom plate 1, a rubber plate 901 on the inner surface of the clamping plate 9 is attached to the outer wall of the PCB, the traction force on the traction rod 902 is removed, the pressing plate 903 is pressed on the surface of the anti-skid pad 10 under the pressure action of the spring 904, the edge position of the anti-skid pad is effectively clamped and fixed, the stability is good, and the abrasion and the error collision of the upper surface of the PCB are not easily caused; the exhaust fan 201 is matched with the exhaust hood 202 for use, when the PCB detection is carried out, the external power supply is used for supplying power to the exhaust fan 201 according to the use requirement, heat generated in the detection process passes through the metal mesh plate 5 under the negative pressure action at the opening of the exhaust hood 202 and is directionally discharged through the exhaust fan 201, the accumulation of heat is reduced, and the clamp can be conveniently and circularly used for carrying out batch detection on the PCB; the fastener 4 is used for the supplementary centre gripping of detection line to detecting instrument, convenient location and taking.

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

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a positioning fixture for PCB board functional test, includes bottom plate (1), its characterized in that: bottom plate (1) upper surface passes through landing leg fixed connection support plate (3), metal mesh board (5) have been laid to the through-hole opening part of support plate (3) surface intermediate position, support plate (3) surface is close to back position fixed connection fixed plate (8), fixed plate (8) internal surface complex has rubber strip (801), support plate (3) surface is close to right side wall position fixed connection limiting plate (7), support plate (3) surface is close to front position slip grafting and has splint (9), splint (9) internal surface complex has rubber slab (901), splint (9) upper surface slip grafting traction lever (902), grafting end fixed connection clamp plate (903) of traction lever (902), spring (904) have been cup jointed to traction lever (902) outside, support plate (3) upper surface fixed connection ceramic cushion (6).

2. The positioning fixture for PCB functional test of claim 1, wherein: the ceramic cushion block (6) is located outside the metal mesh plate (5), and the ceramic cushion block (6) is located inside a U-shaped frame composed of a fixing plate (8), a limiting plate (7) and a clamping plate (9).

3. The positioning fixture for PCB functional test of claim 1, wherein: the surface of the carrier plate (3) is fixedly connected with an anti-skid pad (10), and the anti-skid pad (10) is positioned below the pressing plate (903).

4. The positioning fixture for PCB function test of claim 1, wherein: the surface mounting exhaust fan (201) of bottom plate (1), the end conduction connection air extraction cover (202) of breathing in of exhaust fan (201).

5. The positioning fixture for PCB functional test of claim 1, wherein: the surface of the base plate (1) is provided with a controller (2), and the controller (2) is electrically connected with the exhaust fan (201).

6. The positioning fixture for PCB functional test of claim 1, wherein: the wire clamp (4) is fixedly connected to the surface of the bottom plate (1), and the wire clamp (4) is located on one side of the metal mesh plate (5).