CN216179764U

CN216179764U - Universal PCBA clamping fixture for COB optical device products

Info

Publication number: CN216179764U
Application number: CN202121310467.8U
Authority: CN
Inventors: 范巍; 李长春; 贾利
Original assignee: Sichuan Huatuo Optical Communication Co ltd
Current assignee: Sichuan Huatuo Optical Communication Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-04-05
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a universal PCBA clamping fixture for COB optical device products, which comprises: a base; the fixed block is detachably arranged on the base; the fixed block is provided with a distance adjusting screw rod; the end part of the distance adjusting screw rod is movably connected with a clamping block I; a pair of PCBA board clamping openings are formed in the fixed block and the clamping block I; the sliding frame is arranged on the base in a sliding mode; two clamping blocks II are detachably connected to the sliding frame; and a pair of charging plate clamping openings are formed in the two clamping blocks II. The PCBA board clamping device is novel in structure and simple to operate, the PCBA boards of different sizes can be clamped flatly and stably in coupling operation, the pair of PCBA board clamping ports can safely avoid components on the edges of the PCBA boards and prevent damage, meanwhile, the pair of power adding board clamping ports can play a supporting role for the power adding boards, and meanwhile, the pair of power adding board clamping ports can play an assisting supporting role for the PCBA boards with overlong lengths.

Description

Universal PCBA clamping fixture for COB optical device products

Technical Field

The utility model relates to the field of optical communication and optical device processing, in particular to a universal PCBA (printed circuit board assembly) clamping fixture for COB (chip on board) optical device products.

Background

The optical module is composed of an optoelectronic device, a functional circuit, an optical interface and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part. In brief, the optical module functions in that a transmitting end converts an electrical signal into an optical signal, and a receiving end converts the optical signal into the electrical signal after the optical signal is transmitted through an optical fiber. Along with the wider application of the optical module, the production quantity demand of the corresponding optical devices is also larger and larger, so that the requirements on the coupling speed of the photoelectric devices, the stability and the maximum value of optical power and the consistency on the production line are higher and higher, and the key point for ensuring the coupling stability of the photoelectric devices is the coupling of the photoelectric devices. When the optical communication COB and the optical device product are coupled, a special fixture is needed to stably clamp the PCBA, and then coupling operation is carried out.

Most of the current mainstream schemes are designed for a single product to be used as a special clamping fixture, and different products cannot share the same clamping fixture, so that the manufacturing cost of the fixture of a company is increased, and the fixture is easily mistakenly used in production, which causes unnecessary troubles. Simultaneously, the current technical scheme adopts the briquetting to compress tightly PCBA flange reason mostly to the tight mode of clamp of PCBA board, touches edge components and parts very easily like this, causes the part to damage.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.

To achieve these objects and other advantages in accordance with the purpose of the utility model, there is provided a universal PCBA holding fixture for COB optical device products, comprising: the base is provided with a fixed block and a sliding frame; the fixed block is provided with a distance adjusting screw rod; the end part of the distance adjusting screw rod is detachably connected with a clamping block I; a pair of PCBA board clamping openings are formed in the fixed block and the clamping block I; two clamping blocks II are detachably connected to the sliding frame; and a pair of charging plate clamping openings are formed in the two clamping blocks II.

Preferably, the PCBA board clamping opening is a triangular notch with an angle of 45 degrees.

Preferably, the clamping opening of the charging plate is a triangular notch with 60 degrees.

Preferably, one side of the base is provided with two screw holes I; two screw holes II matched with the two screw holes I are formed in the outer side of the fixing block; two screws are used for penetrating through the screw holes II and the screw holes I to be in threaded connection, so that detachable connection is achieved.

Preferably, a sliding groove I is formed in the base; the distance adjusting screw is embedded into the sliding groove I; i side of grip block supports through integrated into one piece's baffle and leans on I open end of spout, and the lower extreme is embedded into through threaded connection's slider I form sliding connection in the spout I.

Preferably, the base is provided with two sliding grooves II; the sliding frame comprises two L-shaped supporting plates; the narrower end faces of the two L-shaped supporting plates are respectively embedded into the sliding groove II through two sliding blocks II in threaded connection to form sliding connection, and a plurality of strip-shaped distance adjusting holes are formed in the wider end face; the rear end of the clamping block II is provided with a plurality of fixing holes corresponding to the distance adjusting holes; and a plurality of fixing bolts I are used for respectively penetrating the distance adjusting holes and then respectively connected with the fixing holes in a threaded manner, so that the clamping block II is pressed and fixed on the L-shaped supporting plate, and the detachable connection is realized.

Preferably, a U-shaped groove for limiting is formed in the clamping block I; the end part of the pitch adjusting screw rod is provided with a limiting column which is integrally formed in a thick mode at the front part and a thin mode at the rear part; the thicker part of the limiting column extends into the U-shaped groove, the end face of the limiting column is attached to the inner wall of the U-shaped groove, and the side face of the limiting column can rotate in a suspended mode; the thinner part of the limiting column is abutted against the concave surface of the port of the U-shaped groove to play a supporting role, so that the movable connection is realized.

The utility model at least comprises the following beneficial effects:

the PCBA board clamping device is novel in structure and simple to operate, the PCBA boards of different sizes can be clamped flatly and stably in coupling operation, the pair of PCBA board clamping ports can safely avoid components on the edges of the PCBA boards and prevent damage, meanwhile, the pair of power adding board clamping ports can play a supporting role for the power adding boards, and meanwhile, the pair of power adding board clamping ports can play an assisting supporting role for the PCBA boards with overlong lengths.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Description of the drawings:

FIG. 1 provides a general structural schematic of the present invention;

FIG. 2 is a schematic structural diagram of a clamping block I provided by the present invention;

FIG. 3 is a schematic view of a pitch adjusting screw according to the present invention;

FIG. 4 is a schematic view of a connection structure of a base and a fixing block according to the present invention;

FIG. 5 is a schematic view of a sliding frame structure according to the present invention;

the specific implementation mode is as follows:

the present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It is to be understood that in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are used only for convenience in describing the present invention and for simplification of the description, and 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.

In the description of the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a communication between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention specifically.

Further, in the present invention, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature.

Fig. 1-5 illustrate one implementation of the present invention, including:

a base 1;

the fixed block 2 is detachably arranged on the base 1; the fixed block 2 is provided with a distance adjusting screw 21; the end part of the distance adjusting screw rod 21 is movably connected with a clamping block I22; a pair of PCBA board clamping openings 23 are formed in the fixed block 2 and the clamping block I22;

a sliding frame 3 which is arranged on the base 1 in a sliding manner; two clamping blocks II 31 are detachably connected to the sliding frame 3; and a pair of charging plate clamping openings 32 are formed in the two clamping blocks II 31.

The working principle is as follows:

when the PCBA board clamping device is used, the PCBA board 101 is arranged between the pair of PCBA board clamping openings 23, and after the distance adjusting screw 21 is adjusted to a proper length, the PCBA board 101 is stably clamped and limited; install between a pair of Add electroplax centre gripping mouth 32 with add electroplax 102, adjust carriage 3 to suitable length after, will add the stable restriction of electroplax 102 and grasp, further adjust carriage 3 for PCBA board 101 and add the respective operation end of electroplax 102 and closely lean on, reach the operation demand, can carry out COB coupling operation.

In the technical scheme, the base 1 ensures the support stability of each part and provides an installation space; the fixed block 2 is matched with a clamping block I22 arranged at the end part of the distance adjusting screw rod 21, so that the movable clamping of the adjustable distance of the PCBA board 101 is realized, the PCBA board 101 with different specifications can be adapted, and the universality is greatly improved; the sliding frame 3 can be adjusted in a free sliding mode, and is matched with the two clamping blocks II 31, so that universal clamping on the charging plates 102 with different specifications is realized; the pair of charging board clamping openings 32 and the pair of PCBA board clamping openings 23 are arranged correspondingly, so that when the PCBA board 101 with a long length extends outwards, the pair of charging board clamping openings 3 can also play a role in supporting assistance; a pair of Add electroplax centre gripping mouth 32 and a pair of PCBA board centre gripping mouth 23 are the suitable breach of angle, have guaranteed the roughness of board when the centre gripping is spacing, can avoid the components and parts at flange edge safely, improve the security.

In the above technical solution, the PCBA board clamping opening 23 is a 45-degree triangular notch. The PCBA board 101 with different sizes can be clamped smoothly and stably by the aid of the arrangement, and the edge components of the PCBA board 101 can be safely prevented from being damaged by the aid of the 45-degree triangular structural design.

In the above technical solution, the charging board clamping opening 32 is a 60-degree triangular notch. The arrangement is that in order to be suitable for clamping of different thickness add electroplax 102, simultaneously when PCBA board 101 overlength and when stretching into grip block II 31, add electroplax centre gripping mouth 32 on grip block II 31 also can play the supplementary centre gripping effect to PCBA board 101.

In the technical scheme, one side of the base 1 is provided with two screw holes I201; two screw holes II 202 matched with the two screw holes I201 are formed in the outer side of the fixed block 2; two screws are arranged in the two screw holes II 202 and the screw hole I201 in a penetrating mode to be in threaded connection, and therefore detachable connection is achieved.

In the technical scheme, a sliding groove I11 is arranged on the base 1; the distance adjusting screw 21 is positioned in the sliding groove I11; the side of the clamping block I22 abuts against the top of the side of the sliding groove I11 through an integrally formed baffle 221, and the lower end of the clamping block I11 is embedded into the sliding groove I11 through a sliding block I222 in threaded connection to form sliding connection. The arrangement has the advantages that the sliding groove I11 provides a flexible sliding movement space for the distance adjusting screw rod 21 and the sliding block I222, and the limiting is stable; the I22 of grip block supports through integrated into one piece's baffle 221 and leans on, and stability is better, appears rocking when avoiding centre gripping PCBA board 101.

In the technical scheme, the base 1 is provided with two sliding chutes II 12; the sliding frame 3 comprises two L-shaped supporting plates 301; narrower end faces of the two L-shaped supporting plates 301 are respectively embedded into the sliding groove II 12 through two sliding blocks II 302 in threaded connection to form sliding connection, and a plurality of strip-shaped distance adjusting holes 303 are formed in the wider end faces; the rear end of the clamping block II 31 is provided with a plurality of fixing holes 304 corresponding to the distance adjusting holes 303; a plurality of fixing bolts I305 are respectively used for penetrating through the distance adjusting holes 303 and then are respectively in threaded connection with the fixing holes 304, so that the clamping block II 31 is pressed and fixed on the L-shaped supporting plate 301, and detachable connection is realized. The two sliding grooves II 12 provide a flexible sliding movement space for the sliding block II 302, and the limiting is stable; the strip-shaped distance adjusting holes 303 are matched with the fixing holes 304 to realize free distance adjustment of the clamping block II 31 in the XYZ three directions, and the device is simple to operate and high in applicability.

In the technical scheme, a U-shaped groove 223 for limiting is formed in the clamping block I22; the end part of the distance adjusting screw 21 is provided with a limiting column 224 which is integrally formed in a thick front part and a thin rear part; the thicker part of the limiting column 224 extends into the U-shaped groove 223, the end face of the limiting column is attached to the inner wall of the U-shaped groove 223, and the side face of the limiting column can rotate in a suspended mode; the thinner part of the limiting column 224 abuts against the concave surface at the port of the U-shaped groove 223 to play a supporting role, so that the movable connection is realized. The advantage of setting up like this is, along with the extension of roll adjustment screw 21, spacing post 224 can be again promote the centre gripping piece I22 forward again when the unimpeded activity in U type groove 223 to flexible roll adjustment has been realized.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. The utility model provides a general PCBA centre gripping anchor clamps of COB optical device product which characterized in that includes:

a base;

the fixed block is detachably arranged on the base; the fixed block is provided with a distance adjusting screw rod; the end part of the distance adjusting screw rod is movably connected with a clamping block I; a pair of PCBA board clamping openings are formed in the fixed block and the clamping block I;

the sliding frame is arranged on the base in a sliding mode; two clamping blocks II are detachably connected to the sliding frame; and a pair of charging plate clamping openings are formed in the two clamping blocks II.

2. The universal PCBA clamping fixture for COB optical device products of claim 1, wherein the PCBA plate clamping opening is a 45-degree triangular notch.

3. The PCBA clamping fixture for COB optical device products in claim 1, wherein the electric board clamping opening is a 60-degree triangular notch.

4. The universal PCBA clamping fixture for COB optical device products of claim 1, wherein one side of the base is provided with two screw holes I; two screw holes II matched with the two screw holes I are formed in the outer side of the fixing block; two screws are used for penetrating through the screw holes II and the screw holes I to be in threaded connection, so that detachable connection is achieved.

5. The PCBA clamping fixture for COB optical device products in general of claim 1, wherein the base is provided with a sliding groove I; the distance adjusting screw is embedded into the sliding groove I; i side of grip block supports through integrated into one piece's baffle and leans on I open end of spout, and the lower extreme is embedded into through threaded connection's slider I form sliding connection in the spout I.

6. The PCBA clamping fixture for COB optical device products in general of claim 5, wherein the base is provided with two sliding grooves II; the sliding frame comprises two L-shaped supporting plates; the narrower end faces of the two L-shaped supporting plates are respectively embedded into the sliding groove II through two sliding blocks II in threaded connection to form sliding connection, and a plurality of strip-shaped distance adjusting holes are formed in the wider end face; the rear end of the clamping block II is provided with a plurality of fixing holes corresponding to the distance adjusting holes; and a plurality of fixing bolts I are used for respectively penetrating the distance adjusting holes and then respectively connected with the fixing holes in a threaded manner, so that the clamping block II is pressed and fixed on the L-shaped supporting plate, and the detachable connection is realized.

7. The PCBA clamping fixture for COB optical device products in general of claim 1, wherein the clamping block I is provided with a U-shaped groove for limiting; the end part of the pitch adjusting screw rod is provided with a limiting column which is integrally formed in a thick mode at the front part and a thin mode at the rear part; the thicker part of the limiting column extends into the U-shaped groove, the end face of the limiting column is attached to the inner wall of the U-shaped groove, and the side face of the limiting column can rotate in a suspended mode; the thinner part of the limiting column is abutted against the concave surface of the port of the U-shaped groove to play a supporting role, so that the movable connection is realized.