CN212095991U

CN212095991U - PCB fixing frame

Info

Publication number: CN212095991U
Application number: CN201922374533.7U
Authority: CN
Inventors: 张照
Original assignee: Suzhou Huayi Technology Co ltd
Current assignee: Suzhou Huayi Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-12-08
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a PCB board fixing frame, it includes first mounting (10), second mounting (11) that link to each other with first mounting (10), slide first adjusting part (2) of joining in marriage with first mounting (10), and slide second adjusting part (3) of joining in marriage with first mounting (10) and first adjusting part (2) equal, first mounting (10), second mounting (11), first adjusting part (2) and second adjusting part (3) enclose to close cavity (1a) that form and hold PCB board (4), second adjusting part (3) adjustable length, first mounting (10), second mounting (11), first adjusting part (2) and second adjusting part (3) still are connected with backup pad (5) that at least part is located cavity (1a), PCB board (4) are supported by backup pad (5). The utility model discloses a fixed frame of PCB board can adapt to the PCB board of equidimension not.

Description

PCB fixing frame

Technical Field

The utility model relates to a fixed frame of PCB board.

Background

In the prior art, a PCB needs to be detected whether the surface mounting meets the requirements through an automatic optical inspection machine, the PCB needs to be placed on a PCB fixing frame in advance, then a belt line is placed on the PCB, and the PCB is conveyed into the automatic optical inspection machine through the belt line.

The current PCB fixing frame has the following defects: firstly, the size of a bearing surface in the PCB fixing frame is fixed, and different placing frames are required to be replaced for PCBs with different sizes, so that materials are greatly wasted; secondly, present automatic optical inspection machine has can detect the upper and lower two sides of PCB board simultaneously, but, the frame loading face fretwork is placed to current PCB board, detects time measuring from top to bottom, and there is the part PCB board lower surface to be blocked, is unfavorable for carrying out comprehensive detection to the PCB board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned defect among the prior art, provide a fixed frame of PCB board, the PCB board of fixed equidimension not that it can be convenient.

In order to realize the above-mentioned utility model purpose, the utility model provides a fixed frame of PCB board, its include first mounting, with the second mounting that first mounting links to each other, with first mounting slide connect join in marriage first adjusting part and with first mounting with the equal second adjusting part that connects that slides of first adjusting part, first mounting, second mounting, first adjusting part and second adjusting part enclose to close the cavity that forms and hold the PCB board, second adjusting part adjustable length, first mounting, second mounting, first adjusting part and second adjusting part still are connected with at least the part and are located backup pad in the cavity, the PCB board by the backup pad is supported.

Furthermore, the utility model discloses still provide following subsidiary technical scheme:

the frame body further comprises a third fixing piece connected with the first fixing piece and a fourth fixing piece connected between the third fixing piece and the second fixing piece.

And two ends of the first adjusting piece are respectively matched and connected with the second fixing piece and the third fixing piece in a sliding mode.

The second fixing piece is provided with a first sliding groove, the first adjusting piece comprises a first connecting plate extending to the upper side of the first sliding groove, the PCB fixing frame further comprises a first sliding block arranged in the first sliding groove (12) and a first bolt penetrating through the first connecting plate and connected with the first sliding block.

First mounting with parallel arrangement's second spout is seted up to first adjustment piece, first adjustment piece is including extending to the second connecting plate of second spout top, the fixed frame of PCB board still including set up in second slider in the second spout and pass the second connecting plate with the second bolt that the second slider links to each other.

The second adjusting piece comprises a first rod body and a second rod body which are matched in a sliding mode.

The first rod body is provided with a guide rail groove, and the second rod body is provided with a guide rail matched with the guide rail groove.

The supporting plate is provided with a step groove for placing the PCB.

The step groove comprises a bearing surface for supporting the PCB and a positioning surface for positioning the PCB.

The support plate is made of an insulating material.

Compared with the prior art, the utility model has the advantages of: the PCB fixing frame of the utility model is provided with the first adjusting piece matched and connected with the first fixing piece in a sliding way and the second adjusting piece matched and connected with the first fixing piece and the first adjusting piece in a sliding way, so that the size of the cavity can be changed by moving the positions of the first adjusting piece and the second adjusting piece, thereby being suitable for PCB boards with different sizes; in addition, after the PCB is placed on the PCB fixing frame, only the edge part is shielded, the bottom surface is almost completely exposed, and components and parts on the bottom surface of the PCB can be detected more comprehensively.

Drawings

Fig. 1 is the utility model discloses a PCB board's structural schematic is placed to the fixed frame of PCB board.

Fig. 2 is the structure schematic diagram of the fixing frame of the PCB board of the present invention.

Fig. 3 is a top view of the fixing frame for PCB board of the present invention.

Fig. 4 is a schematic view of the connection between the first adjusting member and the second and third fixing members according to the present invention.

Fig. 5 is a schematic structural diagram of the first adjusting member of the present invention.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Fig. 7 is a schematic view of the connection between the second adjusting member and the first and fourth fixing members according to the present invention.

Fig. 8 is a schematic structural view of a second adjusting member according to the present invention.

Fig. 9 is a schematic view of the connection between the support plate and the second adjusting member according to the present invention.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.

As shown in fig. 1 and 2, a PCB fixing frame according to a preferred embodiment of the present invention includes a frame body 1, a first adjusting member 2 slidably coupled to the frame body 1, and a second adjusting member 3 slidably coupled between the first adjusting member 2 and the frame body 1.

The frame body 1 comprises a first fixing piece 10 and a second fixing piece 11 which are connected with each other, the first fixing piece 10 and the second fixing piece 11 are perpendicular to each other, one end of a first adjusting piece 2 is in sliding fit with the second fixing piece 11, one end of a second adjusting piece 3 is in sliding fit with the first fixing piece 10, and the other end of the second adjusting piece 3 is in sliding fit with the first adjusting piece 2. The first fixing member 10, the second fixing member 11, the first adjusting member 2 and the second adjusting member 3 enclose a rectangular cavity 1a for accommodating the PCB 4.

In order to enhance the overall strength of the frame body 1, the frame body 1 may be configured in a rectangular frame form, that is, the frame body 1 further includes a third fixing member 13 connected to the first fixing member 10 and a fourth fixing member 14 connected between the third fixing member 13 and the second fixing member 11, and the first fixing member 10, the second fixing member 11, the third fixing member 13 and the fourth fixing member 14 are connected end to form a rectangle, preferably, a square is enclosed. The two ends of the first adjusting member 2 are slidably connected with the third fixing member 13 and the second fixing member 11.

As shown in fig. 3 to 6, the second fixing member 11 and the third fixing member 13 are provided with two first sliding grooves 12 arranged in parallel, each first sliding groove 12 includes a first groove 12a and a second groove 12b communicating the first groove 12a with the outside, and the width of the first groove 12a is greater than that of the second groove 12 b. A first slide block 19 is disposed in the first slide groove 12, and a first screw hole 19a is formed in the first slide block 19. The two ends of the first adjusting part 2 are respectively provided with a first connecting plate 20 extending outwards, the first connecting plates 20 extend to the upper side of the first sliding grooves 12, the first adjusting part 2 can be fixed on the frame body 1 by penetrating the first connecting plates 20 through the first bolts 15 to be connected with the first sliding blocks 19, and when the position of the first adjusting part 2 needs to be adjusted, the first adjusting part 2 can be moved only by loosening the first bolts 15.

The connection structure between the second adjusting member 3 and the first fixing member 10, the first adjusting member 2 is identical to the connection structure between the first adjusting member 2 and the second fixing member 11, the third fixing member 13. Specifically, as shown in fig. 3 and 7, two second sliding grooves 16 arranged in parallel are formed on the upper surfaces of the first fixing member 10 and the first adjusting member 2, and each second sliding groove 16 includes a third groove 16a and a fourth groove 16b communicating the third groove 16a with the outside. The width of the third groove 16a is greater than the width of the fourth groove 16 b. A second sliding block 17 is arranged in the second sliding groove 16, a second connecting plate 30 extending outwards is arranged at two ends of the second adjusting piece 3, the second connecting plate 30 extends above the second sliding groove 12, and the second adjusting piece 3 can be fixed by penetrating the second connecting plate 30 through a second bolt 18 and connecting with the second sliding block 17. Similarly, when the position of the second adjustment member 3 is to be adjusted, the second adjustment member 3 can be moved by simply loosening the second bolt 18.

As shown in fig. 8, the second adjusting member 3 is of a telescopic rod type and can change its length according to the movement of the first adjusting member 2. Specifically, the telescopic rod can be stretched by sliding and matching a plurality of sections of rod bodies. The first adjustment member 2 in this embodiment includes a first rod 21 and a second rod 22.

The surface of the first rod 21 is provided with a guide rail groove 210, the second rod 22 is provided with a guide rail 220 matching with the guide rail groove 210, and the guide rail 220 can move along the guide rail groove 210.

As shown in fig. 9, a supporting plate 5 is connected to each of the first fixing member 10, the second fixing member 11, the first adjusting member 2 and the first rod 21, and the supporting plate 5 extends at least partially into the rectangular cavity 1a to support the PCB 4. The supporting plate 5 and the first fixing member 10, the second fixing member 11, the first adjusting member 2 and the first rod 21 may be fixed by bolts or may be connected by gluing.

In order to protect the electrical components on the PCB 4, the supporting plate 5 is made of an insulating material, such as bakelite or other insulating materials. One end of the supporting plate 5 extending into the cavity 1a is provided with a step groove 50, the step groove 50 comprises a horizontal bearing surface 50a and a vertical positioning surface 50b, the bearing surface 50a is used for supporting the bottom surface of the PCB 4, and the positioning surface 50b can position the side surface of the PCB 4.

When fixing PCB board 4, earlier according to the size of PCB board 4 size regulation cavity 1a, place PCB board 4's four sides on the step groove 50 after, promote first adjusting part 2 again and second adjusting part 3 and press from both sides tight PCB board 4, simultaneously the locking bolt can.

The PCB fixing frame of the utility model is provided with the first adjusting piece matched and connected with the first fixing piece in a sliding way and the second adjusting piece matched and connected with the first fixing piece and the first adjusting piece in a sliding way, so that the size of the cavity can be changed by moving the positions of the first adjusting piece and the second adjusting piece, thereby being suitable for PCB boards with different sizes; in addition, after the PCB is placed on the PCB fixing frame, only the edge part is shielded, the bottom surface is almost completely exposed, and components and parts on the bottom surface of the PCB can be detected more comprehensively.

It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fixed frame of PCB board which characterized in that: the PCB adjusting device comprises a first fixing piece (10), a second fixing piece (11) connected with the first fixing piece (10), a first adjusting piece (2) matched with the first fixing piece (10) in a sliding mode, and a second adjusting piece (3) matched with the first fixing piece (10) and the first adjusting piece (2) in a sliding mode, wherein the first fixing piece (10), the second fixing piece (11), the first adjusting piece (2) and the second adjusting piece (3) are enclosed to form a cavity (1a) for containing a PCB (4), the length of the second adjusting piece (3) is adjustable, the first fixing piece (10), the second fixing piece (11), the first adjusting piece (2) and the second adjusting piece (3) are further connected with a supporting plate (5) at least partially located in the cavity (1a), and the PCB (4) is supported by the supporting plate (5).

2. The PCB panel fixing frame according to claim 1, wherein: the PCB fixing frame further comprises a third fixing piece (13) connected with the first fixing piece (10) and a fourth fixing piece (14) connected between the third fixing piece (13) and the second fixing piece (11).

3. The PCB panel fixing frame according to claim 2, wherein: and two ends of the first adjusting piece (2) are respectively matched and connected with the second fixing piece (11) and the third fixing piece (13) in a sliding mode.

4. The PCB panel fixing frame according to any one of claims 1 to 3, wherein: first spout (12) have been seted up in second mounting (11), first adjusting part (2) are including extending to first connecting plate (20) above first spout (12), the fixed frame of PCB board still including set up in first spout (12) in first slider (19) and pass first connecting plate (20) with first bolt (15) that slider (19) link to each other.

5. The PCB panel fixing frame according to any one of claims 1 to 3, wherein: first mounting (10) with parallel arrangement's second spout (16) are seted up in first adjusting part (2), first adjusting part (2) are including extending to second connecting plate (30) above second spout (16), the fixed frame of PCB board is still including setting up in second slider (17) in second spout (16) and pass second connecting plate (30) with second bolt (18) that second slider (17) link to each other.

6. The PCB panel fixing frame according to any one of claims 1 to 3, wherein: the second adjusting piece (3) comprises a first rod body (21) and a second rod body (22) which are matched in a sliding mode.

7. The PCB panel fixing frame according to claim 6, wherein: the first rod body (21) is provided with a guide rail groove (210), and the second rod body (22) is provided with a guide rail (220) matched and connected with the guide rail groove (210).

8. The PCB panel fixing frame according to any one of claims 1 to 3, wherein: the supporting plate (5) is provided with a step groove (50) for placing the PCB (4).

9. The PCB panel fixing frame according to claim 8, wherein: the step groove (50) comprises a bearing surface (50a) for supporting the PCB (4) and a positioning surface (50b) for positioning the PCB (4).

10. The PCB panel fixing frame according to claim 8, wherein: the support plate (5) is made of an insulating material.