CN218194792U

CN218194792U - Printed circuit board BGA reprocesses anchor clamps with protecting effect

Info

Publication number: CN218194792U
Application number: CN202222595805.8U
Authority: CN
Inventors: 陈清坚; 李炳枝; 肖跃兵; 郑明晖
Original assignee: Xiamen Chuangshi Zhizao Technology Co ltd
Current assignee: Xiamen Chuangshi Zhizao Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-03
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a belong to BGA maintenance technical field, specifically be a printed circuit board BGA reprocesses anchor clamps with safeguard effect, including the bottom plate, the left and right sides all is equipped with supporting seat one on the bottom plate, and has seted up spout one on the supporting seat one, is equipped with the diaphragm on the supporting seat, and the diaphragm vertically has seted up the activity groove, a positioning bolt in the activity groove passes the activity groove and with screw seat spiro union in the spout one, and control the diaphragm looks remote site and all be equipped with the L-shaped piece, this application diaphragm can slide around on supporting seat one, and the diaphragm can control through the activity groove and remove, the position of slip diaphragm to the double-screw bolt is adjusted for the double-screw bolt can insert in the locating hole groove of circuit board, then with the nut spiro union on the double-screw bolt, realize the location, the double-screw bolt can be adjusted and remove, be convenient for carry out the centre gripping to different specification and size's circuit board, make PCBA board keep same horizontal plane when being heated, can not receive PCBA board deformation influence during the component welding and lead to the weldability bad, guarantee that the welding is good.

Description

Printed circuit board BGA reprocesses anchor clamps with protecting effect

Technical Field

The application relates to the technical field of BGA maintenance, in particular to a printed circuit board BGA repair clamp with a protection effect.

Background

Electronic products with high integration level are widely used in BGA chips. If can influence the function of circuit board when appearing short circuit, empty welding scheduling problem in the BGA chip, consequently, can carry out BGA to the BGA chip that has the problem and reprocess, current BGA reprocess anchor clamps and usually pass through be equipped with double-screw bolt and nut on anchor clamps, pass on the double-screw bolt and pass through the nut location with the circuit board, the position of double-screw bolt can't be adjusted, consequently a circuit board need use a supporting anchor clamps, anchor clamps are unable general, and the suitability is relatively poor.

Content of application

An object of this application is to provide a printed circuit board BGA reprocesses anchor clamps with protecting effect to a circuit board that proposes in solving above-mentioned background art need use a supporting anchor clamps, and anchor clamps are unable general, the relatively poor problem of suitability.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a printed circuit board BGA reprocesses anchor clamps with protecting effect, includes the bottom plate, the left and right sides all is equipped with supporting seat one on the bottom plate, and has seted up spout one on the supporting seat one, be equipped with the diaphragm on the supporting seat one, and the diaphragm has vertically seted up movable groove one, a positioning bolt in the movable groove one passes movable groove in the lump and a spiro union of spiral shell seat in the spout one, and controls diaphragm looks remote site and all is equipped with the L-shaped piece, be equipped with the double-screw bolt on the L-shaped piece, and the spiro union has the nut on the double-screw bolt, the middle part is equipped with two supporting seats two on the bottom plate, and is equipped with supporting mechanism on the supporting seat two.

Preferably, the second supporting seat is provided with a second sliding groove, the second sliding groove is connected with a second screw seat in a sliding manner, the supporting mechanism comprises a fixed seat and a guide column in threaded connection with the fixed seat, a second movable groove for accommodating the second positioning bolt is longitudinally formed in the fixed seat, and the second positioning bolt penetrates through the second movable groove and is in threaded connection with the second screw seat.

Preferably, the guide post is the toper guide post, and the one end that guide post and fixing base deviate from is the toper end, be equipped with on the guide post outer wall and be used for the spacing flange of PCBA.

Preferably, the L-shaped block and the transverse plate are integrally formed.

Compared with the prior art, the beneficial effect of this application is:

1) This application diaphragm can be in supporting seat one and slided from beginning to end, and the diaphragm can remove about through the activity groove, the position of slip diaphragm to the double-screw bolt is adjusted, make in the locating hole groove that the double-screw bolt can insert the circuit board, then on the double-screw bolt with the nut spiro union, realize the location, the double-screw bolt can be adjusted and remove, be convenient for carry out the centre gripping to different specification and dimension's circuit board, make the PCBA board keep same horizontal plane when being heated, can not receive the PCBA board deformation influence when the BGA component welding and lead to the weldability bad, guarantee that the welding is good.

2) This application can insert the locating hole groove of circuit board through supporting mechanism's guide post, realizes the quick location to the circuit board, then the centre gripping is realized to rethread double-screw bolt and nut complex mode, and it is more convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a sectional view of the fixing base of the present application.

In the figure: 1. a base plate; 2. a second supporting seat; 3. a fixed seat; 4. a second bolt; 5. a guide post; 6. a first supporting seat; 7. a transverse plate; 8. a first movable groove; 9. positioning a first bolt; 10. an L-shaped block; 11. a stud; 12. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Example (b):

referring to fig. 1-2, the present application provides a technical solution: the utility model provides a printed circuit board BGA reprocesses anchor clamps with protecting effect, includes bottom plate 1, the left and right sides all is equipped with supporting seat one 6 on bottom plate 1, and has seted up spout one on supporting seat one 6, be equipped with diaphragm 7 on supporting seat one 6, and diaphragm 7 vertically has seted up movable groove one 8, positioning bolt one 9 in movable groove one 8 passes movable groove one 8 and with the spiro union of screw seat one in the spout one, screw seat one can slide in spout one to drive positioning bolt one 9 and diaphragm 7 front and back slip, diaphragm 7 can remove about through movable groove one 8, adjust to screw up positioning bolt one 9 after the suitable position for screw seat one hugs closely in spout one, carries out spacing to positioning bolt one 9's position, and controls diaphragm 7 looks remote site and all is equipped with L10, be equipped with double-screw bolt 11 on L double-screw bolt 10, and the spiro union has nut 12 on 11, after diaphragm 7 position is confirmed, establish positioning hole groove cover on the double-screw bolt 11, must insert the positioning bolt 11 in the positioning hole groove of circuit board, then realize that the double-screw bolt 11 clamps on the supporting seat post clamps screw bolt 2 and the supporting seat 2, then realize the cooperation of two-on the supporting seat, and the guide mechanism again, and realize the double-post-on the supporting seat again that the supporting seat is equipped with the guide mechanism again.

The supporting seat 2 is provided with a second sliding groove, the second sliding groove is connected with a second screw seat in the second sliding groove, the second screw seat can slide in the second sliding groove, the supporting mechanism comprises a fixing seat 3 and a guide post 5 which is screwed on the fixing seat 3, a second movable groove which is used for containing a second positioning bolt 4 is longitudinally arranged in the fixing seat 3, the second positioning bolt 4 penetrates through the second movable groove and is screwed in the second screw seat, the second screw seat moves to drive the fixing seat 3 to move, the position of the guide post 5 on the fixing seat 3 is adjusted, the second positioning bolt 4 is screwed after the position is adjusted to a proper position, the second screw seat is tightly attached to the second sliding groove, and the position of the second positioning bolt 4 is limited.

Guide post 5 is the toper guide post, and the one end that guide post 5 and fixing base 3 deviate from is the toper end, be equipped with on the 5 outer walls of guide post and be used for supporting PCBA on guide post 5 to the spacing flange of PCBA for establish the PCBA on the guide post 5 to the cover and support. The L-shaped block 10 and the cross plate 7 are integrally formed.

The method comprises the following steps:

1. the maintenance fixture is locked and fixed with the PCBA according to the matching direction (the PCBA can be prevented from deforming when being locally heated, and the BGA welding quality is prevented from being influenced);

2. disassembling the BGA element by using a BGA repair table;

3. replanting the Ball Grid Array (BGA) removed;

4. and (4) welding the BGA element with the replanted balls on the PCBA according to the correct direction and position to finish the operation.

While there have been shown and described what are at present considered to be the basic principles and essential features of the application, and advantages thereof, it will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

Claims

1. The utility model provides a printed circuit board BGA reprocesses anchor clamps with protecting effect, includes bottom plate (1), its characterized in that: the utility model discloses a support structure, including bottom plate (1), left and right sides all is equipped with supporting seat (6), and has seted up spout one on supporting seat (6), be equipped with diaphragm (7) on supporting seat (6), and vertically seted up activity groove (8) in diaphragm (7), positioning bolt (9) in activity groove (8) pass activity groove (8) and with a spiral shell seat spiro union in the spout one, and control diaphragm (7) looks remote site and all be equipped with L shape piece (10), be equipped with double-screw bolt (11) on L shape piece (10), and the spiro union has nut (12) on double-screw bolt (11), the middle part is equipped with two supporting seat two (2) on bottom plate (1), and is equipped with supporting mechanism on supporting seat two (2).

2. The printed circuit board BGA rework fixture with protection effect of claim 1, wherein: the supporting seat II (2) is provided with a second sliding groove, the sliding groove II is connected with the screw seat II in the sliding groove II, the supporting mechanism comprises a fixing seat (3) and a guide column (5) which is screwed on the fixing seat (3), a movable groove used for accommodating the second positioning bolt (4) is longitudinally formed in the fixing seat (3), and the second positioning bolt (4) penetrates through the movable groove and is screwed in the screw seat II.

3. The printed circuit board BGA rework fixture with protection effect of claim 2, wherein: guide post (5) are toper guide post, and the one end that guide post (5) and fixing base (3) deviate from is the toper end, be equipped with on guide post (5) outer wall and be used for spacing flange to PCBA.

4. The printed circuit board BGA rework fixture with protection effect of claim 1, wherein: the L-shaped block (10) and the transverse plate (7) are integrally formed.