BGA welding tool clamp convenient to adjust

Abstract

The utility model discloses a BGA welding work fixture convenient to adjust, and particularly relates to the technical field of BGA welding work fixtures, the BGA welding work fixture convenient to adjust comprises a mounting table, an adjusting table and a pressing plate, the mounting table is internally provided with an inner groove, the inner groove is internally provided with an extension rod, one side of the top end of the extension rod is provided with a positioning groove, and the top end of the positioning groove is provided with a clamping groove; and an adjusting bolt is arranged in the positioning groove, a fixing cap is mounted at the top end of the adjusting bolt, a sliding groove is formed in the top end of the mounting table, an adjusting table is mounted on one side of the extension rod, one side of the connecting table extends to one side of the adjusting table, and a clamping table is mounted on one side of the connecting table. According to the tool clamp, the rotary knob is arranged, the rotary knob is rotated, the lead screw in the adjusting table rotates, the threaded ring is matched with the lead screw, and the threaded ring can move up and down along the lead screw, so that the position height of the side end clamping table is adjusted, and adjustability of the clamping height of the tool clamp is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of BGA welding tooling fixtures, and specifically relates to a BGA welding tooling fixture that is convenient to adjust. Background Technique

[0002] BGA welding is a technology used for assembling miniaturized electronic devices, especially very common in applications with high-density interconnections, also known as circuit board welding. This device is a tooling fixture for auxiliary fixing and clamping of circuit boards in BGA welding.

[0003] When the BGA welding tooling fixture is in use, it is not convenient to adjust the height of the circuit board clamping according to the processing requirements, which is rather inconvenient during use. Therefore, it needs to be improved to make it more convenient to use. Content of the Utility Model

[0004] The purpose of the utility model is to provide a BGA welding tooling fixture that is convenient to adjust, so as to solve the problem that the tooling fixture in the above background technique is not convenient to adjust the height of the clamped circuit board.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A BGA welding tooling fixture that is convenient to adjust, including an installation table, an adjustment table, and a pressing plate. An inner groove is provided inside the installation table. An extension rod is provided inside the inner groove. A positioning groove is provided on one side of the top of the extension rod. An adjustment bolt is provided inside the positioning groove. A fixing cap is installed at the top of the adjustment bolt. A sliding groove is provided at the top of the installation table. An adjustment table is installed on one side of the extension rod. A lead screw is movably installed inside the adjustment table. The top of the lead screw extends to the top of the adjustment table. A knob is installed at the top of the lead screw. A threaded ring is provided on the outside of the lead screw. A connecting table is fixed on one side of the threaded ring. One side of the connecting table extends to one side of the adjustment table. A clamping table is installed on one side of the connecting table. A positioning seat is installed on one side of the top of the clamping table. A rotating shaft is provided inside the positioning seat. A torsion spring is provided on the outside of the rotating shaft. A pressing plate is installed on one side of the rotating shaft. A protection pad is fixed at the bottom of the pressing plate. A convex platform is installed on one side of the top of the pressing plate.

[0006] Preferably, the cross-section of the extension rod is smaller than the cross-section of the inner groove, and the extension rod and the inner groove form a telescopic structure.

[0007] Preferably, an external thread is provided on the surface of the adjustment bolt, an internal thread is provided inside the positioning groove, and the adjustment bolt and the positioning groove are connected by threads.

[0008] Preferably, the cross-section of the sliding groove is larger than the cross-section of the adjustment bolt, and the sliding groove and the adjustment bolt form a sliding structure.

[0009] Preferably, a guiding platform is fixed on the surface of the threaded ring, and a guiding rod is arranged inside the guiding platform.

[0010] Preferably, two groups of guiding platforms are fixed on the surface of the threaded ring, and the two groups of guiding platforms are symmetrically distributed.

[0011] Preferably, the cross-section of the rotating shaft is smaller than that of the positioning seat, and the rotating shaft and the positioning seat form a rotating structure.

[0012] Preferably, a number of protective pads are fixed at the bottom end of the pressing plate, and the number of protective pads are equidistantly distributed.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] (1) By providing a knob, rotating the knob, the lead screw inside the adjusting table rotates, and the threaded ring cooperates with the lead screw, and can move up and down along the lead screw, so as to adjust the position height of the side clamping table, realizing the adjustability of the clamping height of the tooling fixture;

[0015] (2) By providing an extension rod, after slightly loosening the fixing cap, the fixing cap can be pushed along the sliding groove, so as to adjust the extending length of the extension rod and the position of the side clamping table. After adjustment, tighten the fixing cap to fix it, realizing the adjustability of the clamping table position of the tooling fixture;

[0016] (3) By providing a pressing plate, after moving the pressing plate upward by means of the convex platform, the side of the circuit board can be placed under the pressing plate. Loosen the pressing plate, and the pressing plate is pressed on the surface of the circuit board with the assistance of the torsion spring for pressing and fixing, realizing the convenience of the tooling fixture when clamping the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a front sectional structure schematic diagram of the present utility model;

[0018] Figure 2 is a top view structure schematic diagram of the present utility model;

[0019] Figure 3 is a top sectional structure schematic diagram of the adjusting table of the present utility model;

[0020] Figure 4 is a top view structure schematic diagram of the clamping table of the present utility model.

[0021] In the figure: 1, mounting table; 2, inner groove; 3, extension rod; 4, positioning groove; 5, adjusting bolt; 6, fixing cap; 7, sliding groove; 8, adjusting table; 9, lead screw; 10, knob; 11, threaded ring; 12, guiding table; 13, guiding rod; 14, connecting table; 15, clamping table; 16, positioning seat; 17, rotating shaft; 18, torsion spring; 19, pressing plate; 20, protection pad; 21, convex platform. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-4 , an embodiment provided by the present invention: a BGA welding tooling fixture that is easy to adjust, including a mounting table 1, an adjusting table 8, and a pressing plate 19. An inner groove 2 is provided inside the mounting table 1, and an extension rod 3 is provided inside the inner groove 2. The cross-section of the extension rod 3 is smaller than the cross-section of the inner groove 2. The extension rod 3 and the inner groove 2 form a telescopic structure. A positioning groove 4 is provided on one side of the top of the extension rod 3, and an adjusting bolt 5 is provided inside the positioning groove 4. The surface of the adjusting bolt 5 is provided with an external thread, and an internal thread is provided inside the positioning groove 4. The adjusting bolt 5 and the positioning groove 4 are connected by threads. A fixing cap 6 is installed at the top of the adjusting bolt 5. A sliding groove 7 is provided at the top of the mounting table 1. The cross-section of the sliding groove 7 is larger than the cross-section of the adjusting bolt 5. The sliding groove 7 and the adjusting bolt 5 form a sliding structure;

[0024] Specifically, as Figure 1 and Figure 2 shown, when in use, after slightly loosening the adjusting bolt 5 through the fixing cap 6, the extension rod 3 inside the mounting table 1 can be pushed along the sliding groove 7 to adjust the position of the clamping table 15 at the opposite end. After the adjustment is completed, the adjusting bolt 5 can be tightened for fixation;

[0025] An adjusting table 8 is installed on one side of the extension rod 3. A lead screw 9 is movably installed inside the adjusting table 8. The top of the lead screw 9 extends to the top of the adjusting table 8. A knob 10 is installed at the top of the lead screw 9. A threaded ring 11 is provided on the outside of the lead screw 9. A guiding table 12 is fixed on the surface of the threaded ring 11. Two groups of guiding tables 12 are fixed on the surface of the threaded ring 11 and are symmetrically distributed. A guiding rod 13 is provided inside the guiding table 12. A connecting table 14 is fixed on one side of the threaded ring 11. One side of the connecting table 14 extends to one side of the adjusting table 8. A clamping table 15 is installed on one side of the connecting table 14;

[0026] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , during use, rotate the knob 10, which can drive the screw rod 9 inside the adjustment table 8 to rotate. When the threaded ring 11 moves up and down along the screw rod 9, the guiding platforms 12 on both sides synchronously move along the guiding rods 13, which can assist in increasing the stability when the clamping table 15 moves;

[0027] A positioning seat 16 is installed on one side of the top end of the clamping table 15. A rotating shaft 17 is arranged inside the positioning seat 16. The cross-section of the rotating shaft 17 is smaller than that of the positioning seat 16. The rotating shaft 17 and the positioning seat 16 form a rotating structure. A torsion spring 18 is arranged on the outer side of the rotating shaft 17. A pressing plate 19 is installed on one side of the rotating shaft 17. A groove adapted to the length of the torsion spring 18 is provided on the side of the pressing plate 19 close to the rotating shaft 17. The two ends of the torsion spring 18 are fixedly connected to the groove. A protection pad 20 is fixed to the bottom end of the pressing plate 19. A plurality of protection pads 20 are fixed to the bottom end of the pressing plate 19, and the plurality of protection pads 20 are evenly distributed. A convex platform 21 is installed on one side of the top end of the pressing plate 19;

[0028] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , during use, with the help of the convex platform 21, the pressing plate 19 can be lifted. After placing the circuit board under the pressing plate 19 and releasing the pressing plate 19, the pressing plate 19 can be pressed on the surface of the circuit board for fixing with the assistance of the torsion spring 18, and the protection pads 20 at the bottom of the pressing plate 19 can protect the surface of the circuit board.

[0029] Working principle: During use, multiple mounting platforms 1 are installed on the processing table for use and can be symmetrically distributed. Before use, first loosen the adjusting bolt 5 and move the extension rod 3 to adjust the position of the opposite clamping table 15. After adjustment, rotate the knob 10. Through the cooperation of the screw rod 9 and the threaded ring 11, adjust the height of the clamping table 15. After adjustment, lift the pressing plate 19 with the help of the convex platform 21, place the circuit board on the clamping table 15, release the pressing plate 19, and the pressing plate 19 can be pressed on the surface of the circuit board with the assistance of the torsion spring 18 to fix the circuit board. A plurality of protection pads 20 are fixed to the bottom of the pressing plate 19, which can protect the surface of the circuit board when clamping the circuit board.

[0030] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. An adjustable BGA soldering fixture, comprising a mounting table (1), an adjustment table (8) and a pressing plate (19), characterized in that: An inner groove (2) is provided inside the mounting table (1). An extension rod (3) is provided inside the inner groove (2). A positioning groove (4) is provided on one side of the top end of the extension rod (3). An adjusting bolt (5) is provided inside the positioning groove (4). A fixing cap (6) is installed at the top end of the adjusting bolt (5). A sliding groove (7) is provided at the top end of the mounting table (1). An adjusting table (8) is installed on one side of the extension rod (3). A lead screw (9) is movably installed inside the adjusting table (8). The top end of the lead screw (9) extends to the top end of the adjusting table (8). A knob (10) is installed at the top end of the lead screw (9). A threaded ring (11) is provided on the outer side of the lead screw (9). A connecting table (14) is fixed on one side of the threaded ring (11). One side of the connecting table (14) extends to one side of the adjusting table (8). A clamping table (15) is installed on one side of the connecting table (14). A positioning seat (16) is installed on one side of the top end of the clamping table (15). A rotating shaft (17) is provided inside the positioning seat (16). A torsion spring (18) is provided on the outer side of the rotating shaft (17). A pressing plate (19) is installed on one side of the rotating shaft (17). A protective pad (20) is fixed at the bottom end of the pressing plate (19). A convex platform (21) is installed on one side of the top end of the pressing plate (19).

2. The adjustable BGA soldering fixture according to claim 1, characterized in that: The cross-section of the extension rod (3) is smaller than the cross-section of the inner groove (2), and the extension rod (3) and the inner groove (2) form a telescopic structure.

3. The BGA soldering tooling fixture according to claim 1, which is characterized in that: External threads are provided on the surface of the adjusting bolt (5), internal threads are provided inside the positioning groove (4), and the adjusting bolt (5) and the positioning groove (4) are connected by threads.

4. The BGA soldering tooling fixture that is easy to adjust according to claim 1, characterized in that: The cross-section of the sliding groove (7) is larger than the cross-section of the adjusting bolt (5), and the sliding groove (7) and the adjusting bolt (5) form a sliding structure.

5. The BGA soldering tooling fixture according to claim 1, wherein: A guiding platform (12) is fixed on the surface of the threaded ring (11), and a guiding rod (13) is provided inside the guiding platform (12).

6. The BGA soldering tooling fixture according to claim 5, wherein: Two groups of guiding platforms (12) are fixed on the surface of the threaded ring (11), and the two groups of guiding platforms (12) are symmetrically distributed.

7. An adjustable BGA soldering tooling fixture according to claim 1, characterized in that: The cross-section of the rotating shaft (17) is smaller than the cross-section of the positioning seat (16), and the rotating shaft (17) and the positioning seat (16) form a rotating structure.

8. The BGA soldering tooling fixture according to claim 1, wherein: A number of protective pads (20) are fixed at the bottom end of the pressing plate (19), and the number of protective pads (20) is equally spaced.

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