PCB welding jig

Abstract

The utility model relates to the technical field of welding jigs, in particular to a PCB welding jig which comprises a base, two fixing blocks are fixedly connected to the base, rotating shafts are rotationally connected to the fixing blocks, the ends of the two rotating shafts are fixedly connected with the same bracket, the rotating shafts are fixedly connected with connecting blocks, and the connecting blocks are fixedly connected with the base. An inserting rod is slidably connected to the connecting block, a plurality of inserting holes are formed in the fixing block in a circumferential array mode, the end of the inserting rod is connected with the inserting holes in an inserted mode, a fixing ring is fixedly connected to the inserting rod, a spring is fixedly connected between the fixing ring and the connecting block, an adjusting structure is installed on the bracket, and a cover plate is rotatably connected to the bracket. A pressing structure and a fixing structure are mounted on the cover plate; when the rotating shaft drives the bracket to rotate to a certain angle, the bracket is quickly limited by inserting the inserting rod into the inserting hole, so that the inclination angle of the bracket can be flexibly adjusted, people with different heights can use the bracket comfortably, and the operation convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of welding fixtures, specifically a kind of PCB board welding fixture, belong to welding fixture technical field. BACKGROUND

[0002] PCB board fixture plays a vital role in electronic manufacturing process, they can be divided into various types according to application stage and purpose, wherein post-welding fixture is a kind of PCB board fixture, it is mainly used for the post-welding stage of PCB board, provides stable, accurate support and positioning, to ensure that PCB board and components can keep stable during welding process, so as to ensure welding quality and production efficiency, PCB board post-welding fixture is fixed on the bracket of fixture when using first, then the bracket is overturned by driving shaft to a certain angle, so that PCB board welding surface faces upwards, the bracket is supported by the support column installed on base, so that the bracket keeps stable, then welding work is carried out.

[0003] However, the height of support column on the traditional PCB board post-welding fixture is fixed, so that the inclination angle of bracket is difficult to adjust according to the height of user, which further limits the observation and operation space of operator, affects the convenience of operation, and thus affects the stability and accuracy of welding. SUMMARY

[0004] The purpose of the utility model is to solve the above problems and provide a kind of PCB board welding fixture, when driving shaft drives bracket to rotate to a certain angle, the plug rod is inserted into the insertion hole on fixed block, so as to quickly limit the bracket, and then the inclination angle of bracket can be flexibly adjusted, so that different height groups are comfortable to use, and the convenience of operation is improved.

[0005] The utility model realizes the above-mentioned purpose by the following technical scheme, a kind of PCB board welding fixture, including base, the base is fixedly connected with two fixed blocks, the fixed block is rotatably connected with shaft, the end of two shafts is fixedly connected with the same bracket, the shaft is installed with limit structure, the limit structure includes connecting block, the shaft is fixedly connected with connecting block, the connecting block is slidably connected with plug rod, the fixed block is circumferentially arrayed with multiple insertion holes, the end of plug rod is inserted into insertion hole, the plug rod is fixedly connected with fixed ring, the fixed ring and connecting block are fixedly connected with spring, the bracket is installed with adjusting structure, the bracket is rotatably connected with cover plate, the cover plate is installed with pressing structure and fixed structure.

[0006] Preferably, the adjusting structure includes mounting block, the bracket is slidably connected with four mounting blocks, wherein two mounting blocks are fixedly connected with support plate, and the other two mounting blocks are fixedly connected with support rod.

[0007] Preferably, the cross section of the supporting plate is in "L" shape structure, and the cross section of the end of the supporting frame away from the fixing structure is in "T" shape structure.

[0008] Preferably, a knob is threadedly connected on the mounting block, and a resisting block is rotatably connected to the bottom end of the knob.

[0009] Preferably, the pressing structure comprises a screw rod, the screw rod is rotatably connected to the cover plate, a pressing plate is threadedly connected to the screw rod, a plurality of copper columns are fixedly connected to the bottom end of the pressing plate, a sliding plate is fixedly connected to the bottom end of the copper columns, the sliding plate is slidably connected to the cover plate, and a silica gel plate is mounted to the bottom end of the sliding plate.

[0010] Preferably, three guide rods are fixedly connected to the top end of the cover plate, and the pressing plate is slidably connected to the guide rods.

[0011] Preferably, the fixing structure comprises a clamping block, the clamping block is slidably connected to the supporting frame, a clamping groove is formed in the cover plate, and the clamping block is clamped with the clamping groove.

[0012] Preferably, the clamping block is in "U" shape structure, and the end of the clamping block is in inclined surface structure.

[0013] Preferably, a tension spring is fixedly connected to the supporting frame, and the end of the tension spring is fixedly connected to the clamping block.

[0014] Preferably, a pull rod is fixedly connected to the bottom end of the clamping block, and the pull rod is slidably connected to the supporting frame.

[0015] The beneficial effects of the utility model are: the connecting block is fixedly connected to the rotating shaft, the plug rod is slidably connected to the connecting block, a plurality of insertion holes are circumferentially arranged on the fixed block, the end of the plug rod is inserted into the insertion hole, the fixed ring is fixedly connected to the plug rod, and the spring is fixedly connected between the fixed ring and the connecting block; when the rotating shaft drives the supporting frame to rotate to a certain angle, the plug rod is inserted into the insertion hole on the fixed block, so that the supporting frame is quickly limited, the inclination angle of the supporting frame can be flexibly adjusted, different height people can use it comfortably, and the convenience of operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the structure schematic view of the utility model; Figure 1 It is the A part structure enlarged schematic view shown in the figure;

[0018] Figure 3 It is the connecting structure schematic view of the base and the fixed block of the utility model;

[0019] Figure 4The connecting structure schematic diagram of the screw and the pressing plate of the utility model is shown in the figure.

[0020] Figure 5 The connecting structure schematic diagram of the pressing plate and the copper column of the utility model is shown in the figure. Figure 4 The B part structure enlarged schematic diagram shown in the figure.

[0021] Figure 6 The connecting structure schematic diagram of the pressing plate and the copper column of the utility model is shown in the figure.

[0022] Figure 7 The connecting structure schematic diagram of the pressing plate and the copper column of the utility model is shown in the figure. Figure 6 The C part structure enlarged schematic diagram shown in the figure.

[0023] In the figure: 1, base; 2, fixed block; 3, rotating shaft; 4, bracket; 5, limiting structure; 501, connecting block; 502, insertion rod; 503, insertion hole; 504, fixed ring; 505, spring; 6, adjusting structure; 601, knob; 602, abutting block; 603, mounting block; 604, supporting plate; 605, supporting rod; 7, cover plate; 8, pressing structure; 801, screw; 802, pressing plate; 803, copper column; 804, sliding plate; 805, silica gel plate; 806, guide rod; 9, fixing structure; 901, clamping block; 902, clamping groove; 903, tension spring; 904, pull rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-7 As shown in the figure, a PCB welding jig comprises a base 1, two fixed blocks 2 are fixedly connected on the base 1, rotating shafts 3 are rotatably connected on the fixed blocks 2, the same bracket 4 is fixedly connected on the end portions of the two rotating shafts 3, a limiting structure 5 is installed on the rotating shaft 3, the limiting structure 5 comprises a connecting block 501, the connecting block 501 is fixedly connected on the rotating shaft 3, an insertion rod 502 is slidably connected on the connecting block 501, a plurality of insertion holes 503 are circumferentially arranged on the fixed block 2, the end portion of the insertion rod 502 is inserted into the insertion hole 503, a fixed ring 504 is fixedly connected on the insertion rod 502, a spring 505 is fixedly connected between the fixed ring 504 and the connecting block 501, an adjusting structure 6 is installed on the bracket 4, a cover plate 7 is rotatably connected on the bracket 4, a pressing structure 8 and a fixing structure 9 are installed on the cover plate 7.

[0026] As a technical optimization scheme of the utility model, the adjusting structure 6 includes the mounting block 603, four mounting blocks 603 are slidably connected on the bracket 4, two mounting blocks 603 are fixedly connected with the supporting plate 604 between them, the other two mounting blocks 603 are fixedly connected with the supporting rod 605, the cross section of the supporting plate 604 is " L " shaped structure, the cross section of the one end of the bracket 4 away from the fixed structure 9 is " T " shaped structure, the knob 601 is threadedly connected on the mounting block 603, the bottom end of the knob 601 is rotatably connected with the block 602, when the position of the supporting plate 604 needs to be adjusted according to the size of the PCB, the supporting plate 604 is pushed, the mounting block 603 is driven to slide on the bracket 4, the space for installing the PCB on the bracket 4 is increased, when the supporting plate 604 slides to the appropriate position, the knob 601 on the mounting block 603 at the both ends of the supporting plate 604 is rotated in turn, the knob 601 drives the block 602 to slide downwards and abuts against the bracket 4, then the supporting plate 604 is quickly limited, then the position of the supporting rod 605 is adjusted by the same method, then the PCB is placed, the bottom end surface of the PCB abuts against the bracket 4, the supporting plate 604 and the supporting rod 605 at the same time, then the electronic element is installed on the PCB, the space for installing the PCB on the bracket 4 can be flexibly adjusted by the sliding of the supporting plate 604, can be suitable for the PCB of different sizes, and the supporting rod 605 can hold the middle part of the PCB, prevents the PCB from being deformed under the action force of the pressing structure 8.

[0027] As a technical optimization scheme of the utility model, the pressing structure 8 includes the screw rod 801, the screw rod 801 is rotatably connected on the cover plate 7, the pressing plate 802 is threadedly connected on the screw rod 801, the bottom end of the pressing plate 802 is fixedly connected with multiple copper columns 803, the bottom end of the copper column 803 is fixedly connected with the sliding plate 804, the sliding plate 804 is slidably connected with the cover plate 7, the bottom end of the sliding plate 804 is provided with the silica gel plate 805, the screw rod 801 is rotated, the screw rod 801 threadedly drives the pressing plate 802 to move downwards, the pressing plate 802 drives the sliding plate 804 and the silica gel plate 805 installed on the bottom end of the sliding plate 804 to slide downwards through the copper column 803, so that the silica gel plate 805 presses the element on the PCB, then the PCB and the element on the PCB are kept stable, when using, different lengths of copper columns 803 can be replaced according to the height of the element, so that the silica gel plate 805 can always press the element of the PCB, and when the height of the element of the PCB is not uniform, different sliding plates 804 and silica gel plates 805 can be replaced.

[0028] As a technical optimization scheme of the utility model, the top end of the cover plate 7 is fixedly connected with three guide rods 806, the pressing plate 802 is slidably connected with the guide rod 806, the guide rod 806 has the guiding effect to the pressing plate 802, so that the pressing plate 802 moves more stably.

[0029] As a technical optimization scheme of the utility model, the fixed structure 9 includes a clamping block 901, the bracket 4 is slidably connected with the clamping block 901, the cover plate 7 is provided with a clamping groove 902, the clamping block 901 is clamped with the clamping groove 902, the overall shape of the clamping block 901 is " U " structure, the end of the clamping block 901 is inclined plane structure, the bracket 4 is fixedly connected with tension spring 903, the end of the tension spring 903 is fixedly connected with the clamping block 901, the cover plate 7 is rotated towards the direction of the clamping block 901, the cover plate 7 is in contact with the clamping block 901 and slides towards the outside of the bracket 4, the clamping block 901 slides and drives the tension spring 903 to elongate, when the clamping groove 902 on the cover plate 7 is aligned with the clamping block 901, the tension spring 903 resets and drives the clamping block 901 to be clamped with the clamping groove 902, and then the cover plate 7 is quickly limited, the cover plate 7 is tightly pressed against the edge of the bracket 4, and the pressing structure 8 is driven to move to the upper side of the bracket 4.

[0030] As a technical optimization scheme of the utility model, the bottom end of the clamping block 901 is fixedly connected with a pull rod 904, and the pull rod 904 is slidably connected with the bracket 4, by pulling the pull rod 904 to the outside of the bracket 4, the pull rod 904 can drive the clamping block 901 to release the cover plate 7 from the limit, which is simple, convenient and flexible, and makes the cover plate 7 cover and open conveniently.

[0031] The utility model discloses a PCB board support structure, including support 4, the support 4 bottom is provided with the support 4 upper end installation block 603, and the installation block 603 is provided with the knob 601, and the knob 601 is provided with the resistance block 602, and the resistance block 602 is provided with the support 604, and the support 604 is provided with the support 605, and the support 605 is provided with the cover plate 7, and the cover plate 7 is provided with the clamping groove 902, and the clamping groove 902 is provided with the clamping block 901, and the clamping block 901 is provided with the pull spring 903, and the pull spring 903 is provided with the pull rod 904, and the pull rod 904 is provided with the screw rod 801, and the screw rod 801 is provided with the pressure plate 802, and the pressure plate 802 is provided with the copper column 803, and the copper column 803 is provided with the sliding plate 804, and the sliding plate 804 is provided with the silica gel plate 805, and the silica gel plate 805 is provided with the plug rod 502, and the plug rod 502 is provided with the plug hole 503, and the plug hole 503 is provided with the fixed ring 504, and the fixed ring 504 is provided with the spring 505, and the spring 505 is provided with the rotating shaft 3.

[0032] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0033] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A PCB soldering jig comprising a base (1), characterized in that: The base (1) is fixedly connected with two fixed blocks (2), the fixed blocks (2) are rotatably connected with rotating shafts (3), the ends of the two rotating shafts (3) are fixedly connected with the same bracket (4), the rotating shafts (3) are provided with limiting structures (5), the limiting structures (5) comprise connecting blocks (501), the rotating shafts (3) are fixedly connected with the connecting blocks (501), the connecting blocks (501) are slidably connected with inserting rods (502), a plurality of insertion holes (503) are arranged in the circumferential array on the fixed blocks (2), the ends of the inserting rods (502) are inserted into the insertion holes (503), the inserting rods (502) are fixedly connected with fixed rings (504), the fixed rings (504) and the connecting blocks (501) are fixedly connected with springs (505), the bracket (4) is provided with adjusting structures (6), the bracket (4) is rotatably connected with a cover plate (7), the cover plate (7) is provided with pressing structures (8) and fixing structures (9).

2. The PCB welding fixture of claim 1, wherein: The adjusting structures (6) comprise mounting blocks (603), four mounting blocks (603) are slidably connected on the bracket (4), two of the mounting blocks (603) are fixedly connected with a supporting plate (604), and the other two of the mounting blocks (603) are fixedly connected with supporting rods (605).

3. The PCB welding fixture of claim 2, wherein: The supporting plate (604) is in "L" shaped structure in section, and the end of the bracket (4) away from the fixing structure (9) is in "T" shaped structure in section.

4. The PCB welding fixture of claim 2, wherein: Knobs (601) are threadedly connected on the mounting blocks (603), and the bottom ends of the knobs (601) are rotatably connected with abutting blocks (602).

5. The PCB welding fixture of claim 1, wherein: The pressing structures (8) comprise screw rods (801), the screw rods (801) are rotatably connected on the cover plate (7), the screw rods (801) are threadedly connected with pressing plates (802), the bottom ends of the pressing plates (802) are fixedly connected with a plurality of copper columns (803), the bottom ends of the copper columns (803) are fixedly connected with sliding plates (804), the sliding plates (804) are slidably connected with the cover plate (7), and the bottom ends of the sliding plates (804) are provided with silica gel plates (805).

6. The PCB welding fixture of claim 5, wherein: The top end of the cover plate (7) is fixedly connected with three guide rods (806), and the pressing plates (802) are slidably connected with the guide rods (806).

7. The PCB welding fixture of claim 1, wherein: The fixing structures (9) comprise clamping blocks (901), the clamping blocks (901) are slidably connected on the bracket (4), and clamping grooves (902) are formed in the cover plate (7), and the clamping blocks (901) are clamped in the clamping grooves (902).

8. The PCB board welding fixture of claim 7, wherein: The clamping blocks (901) are in "U" shaped structure as a whole, and the ends of the clamping blocks (901) are in inclined surface structure.

9. The PCB welding fixture of claim 8, wherein: Tension springs (903) are fixedly connected on the bracket (4), and the ends of the tension springs (903) are fixedly connected with the clamping blocks (901).

10. The PCB welding fixture of claim 9, wherein: Pull rods (904) are fixedly connected to the bottom ends of the clamping blocks (901), and the pull rods (904) are slidably connected with the bracket (4).

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