Precise positioning mechanism for welding lead

Abstract

The utility model discloses an accurate positioning mechanism for welding a lead, which comprises a limiting mechanism, the limiting mechanism comprises a supporting plate, the outer wall of the supporting plate is provided with a placing groove, the outer wall of the supporting plate is fixedly connected with a fixing frame, the inner wall of the fixing frame is in threaded connection with a threaded rod, the outer wall of the tail end of the threaded rod is fixedly connected with a movable plate, and the movable plate is fixedly connected with a lead. Springs are fixedly connected to the outer wall of the movable plate at equal intervals, clamping frames and fixing mechanisms are fixedly connected to the outer walls of the tail ends of the springs, the fixing mechanisms comprise mounting holes symmetrically formed in the outer wall of the supporting plate, fixing cylinders are movably connected to the inner walls of the mounting holes, rotating frames are in threaded connection with the inner walls of the fixing cylinders, and push rods are fixedly connected to the outer walls of the rotating frames. A limiting hole is formed in the tail end of the fixing cylinder in a penetrating mode, and a limiting ball is movably connected to the inner wall of the limiting hole. The positioning mechanism has the advantages that circuit boards of different sizes can be clamped and limited, and the frequency of subsequent replacement of the positioning mechanism is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lead welding, in particular to a precise positioning mechanism for welding leads. Background Technique

[0002] Semiconductor chips are connected to other circuits through metal leads, ensuring electrical interconnection and signal intercommunication. Lead welding connects the chip pads with the external circuit through metal leads, ensuring the effective transmission of current and electrical signals.

[0003] When the existing positioning mechanism for welding leads is used, it can only limit the circuit boards of the same size. For circuit boards of different sizes, the positioning mechanism needs to be replaced, which increases the working steps and has a small applicable range. Therefore, a precise positioning mechanism for welding leads is needed to increase the applicable range. Content of the Utility Model

[0004] The purpose of the utility model is to provide a precise positioning mechanism for welding leads to solve the problems mentioned in the above background technique, that is, when the existing positioning mechanism for welding leads is used, it can only limit the circuit boards of the same size. For circuit boards of different sizes, the positioning mechanism needs to be replaced, which increases the working steps and has a small applicable range.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a precise positioning mechanism for welding leads, including:

[0007] A limiting mechanism, the limiting mechanism includes a support plate, a placement groove is opened on the outer wall of the support plate, a fixing frame is fixedly connected to the outer wall of the support plate, a threaded rod is threadedly connected to the inner wall of the fixing frame, a movable plate is fixedly connected to the outer wall of the end of the threaded rod, springs are fixedly connected to the outer wall of the movable plate at equal intervals, and a clamping frame is fixedly connected to the outer wall of the end of the spring.

[0008] Further, a handle is fixedly connected to the outer wall of the threaded rod, and one end of the clamping frame far from the fixing frame is inclined;

[0009] Further, it further includes a discharging mechanism, the discharging mechanism includes brackets symmetrically and fixedly connected to the outer wall of the support plate, and a cylinder is fixedly connected to the inner wall of the brackets;

[0010] Further, a pushing frame is fixedly connected to the movable end of the cylinder, and a storage groove corresponding to the pushing frame is opened on the inner wall of the support plate;

[0011] Further, it further includes a supporting mechanism, the supporting mechanism includes a connecting frame fixedly connected to the outer wall of the support plate, an electric rotating shaft is rotatably connected to the outer wall of the connecting frame, and a rotating frame is fixedly connected to the outer wall of the electric rotating shaft;

[0012] Further, it further includes a fixing mechanism, and the fixing mechanism includes mounting holes symmetrically formed on the outer wall of the support plate, and a fixing cylinder is movably connected to the inner wall of the mounting hole;

[0013] Further, a rotating frame is threadedly connected to the inner wall of the fixing cylinder, a push rod is fixedly connected to the outer wall of the rotating frame, and the outer diameter of the end of the push rod is equal to the inner diameter of the fixing cylinder;

[0014] Further, a limiting hole is formed through the end of the fixing cylinder, and a limiting ball is movably connected to the inner wall of the limiting hole.

[0015] Compared with the prior art, the advantages of the present utility model are as follows:

[0016] First, in the present utility model, by turning the threaded rod through the handle in the fixing frame, after the threaded rod drives the movable plate to be adjusted to a suitable position, the circuit board is moved along the middle of the placement groove towards the contact push frame side. When the circuit board moves, it pushes the clamping frame to compress the spring. After the circuit board moves to a suitable position, the spring rebounds to enable the clamping frame to clamp the circuit board, and the circuit boards of different sizes can be clamped and limited, reducing the number of subsequent replacements of the positioning mechanism.

[0017] Second, based on the first beneficial effect, when the entire device needs to be replaced, turn the rotating frame to make it extend out of the fixing cylinder. The rotating frame drives the push rod to extend out of the fixing cylinder, so that the limiting ball retracts into the fixing cylinder, and the entire device is disassembled. During installation, reverse-rotate the rotating frame to drive the push rod to move, and drive the limiting ball to extend out of the limiting hole to contact the inner wall of the installation platform through the push rod, so as to limit the entire device, and the entire device can be conveniently disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 It is a schematic diagram of the fixing mechanism of the present utility model;

[0021] Figure 3 It is a sectional view of the fixing mechanism of the present utility model.

[0022] In the drawings, the list of components represented by each reference numeral is as follows:

[0023] 101, Support plate; 102, Placement groove; 103, Fixed frame; 104, Threaded rod; 105, Handle; 106, Movable plate; 107, Spring; 108, Clamping frame; 201, Cylinder; 202, Bracket; 203, Pushing frame; 204, Storage groove; 301, Connecting frame; 302, Rotating frame; 303, Electric rotating shaft; 401, Fixed cylinder; 402, Rotating frame; 403, Push rod; 404, Limiting hole; 405, Limiting ball. Detailed implementation manner

[0024] In order to make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the following will describe the detailed implementation manner of the present utility model in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific implementation manners disclosed below.

[0026] In order to make the purpose, technical solution, and advantages of the present utility model clearer, the following will further describe the implementation manner of the present utility model in detail in conjunction with the accompanying drawings.

[0027] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] Please refer to Figures 1-3 As shown, this embodiment is a precise positioning mechanism for welding leads, including:

[0029] A limiting mechanism, the limiting mechanism includes a support plate 101, a placement groove 102 is opened on the outer wall of the support plate 101, a fixed frame 103 is fixedly connected to the outer wall of the support plate 101, a threaded rod 104 is threadedly connected to the inner wall of the fixed frame 103, a movable plate 106 is fixedly connected to the outer wall of the end of the threaded rod 104, a plurality of springs 107 are fixedly connected to the outer wall of the movable plate 106 at equal intervals, and a clamping frame 108 is fixedly connected to the outer wall of the end of the spring 107;

[0030] The circuit board is supported by the support plate 101, limited within a certain range by the placement groove 102, the threaded rod 104 is supported by the fixing frame 103, the movable plate 106 is driven to move by the threaded rod 104, the spring 107 is squeezed by the clamping frame 108, and when the spring 107 rebounds, the clamping frame 108 limits the circuit board;

[0031] A handle 105 is fixedly connected to the outer wall of the threaded rod 104, and the outer wall of one end of the clamping frame 108 away from the fixing frame 103 is inclined;

[0032] The threaded rod 104 is rotated by the handle 105;

[0033] Working principle: Inside the fixing frame 103, the threaded rod 104 is rotated by the handle 105. After the threaded rod 104 drives the movable plate 106 to be adjusted to a suitable position, the circuit board is moved along the middle of the placement groove 102 towards the contact push frame 203. When the circuit board moves, it pushes the clamping frame 108 to squeeze the spring 107. After the circuit board moves to a suitable position, the spring 107 rebounds to make the clamping frame 108 clamp the circuit board;

[0034] This step can clamp and limit circuit boards of different sizes, reducing the number of subsequent replacements of the positioning mechanism.

[0035] Please refer to Figures 1-3 As shown, on the basis of the above-mentioned Embodiment 1, this embodiment further includes:

[0036] A discharging mechanism, which includes brackets 202 symmetrically and fixedly connected to the outer wall of the support plate 101, and a cylinder 201 is fixedly connected to the inner wall of the brackets 202;

[0037] The cylinder 201 is supported by the brackets 202;

[0038] A push frame 203 is fixedly connected to the movable end of the cylinder 201, and a storage groove 204 corresponding to the push frame 203 is opened on the inner wall of the support plate 101;

[0039] The push frame 203 is moved by the cylinder 201, the welded circuit board is pushed away from the placement groove 102 by the push frame 203, and the push frame 203 is stored in the storage groove 204;

[0040] A support mechanism, which includes a connecting frame 301 fixedly connected to the outer wall of the support plate 101, an electric rotating shaft 303 is rotatably connected to the outer wall of the connecting frame 301, and a rotating frame 302 is fixedly connected to the outer wall of the electric rotating shaft 303;

[0041] The electric rotating shaft 303 is supported by the connecting frame 301, the rotating frame 302 is driven to rotate by the electric rotating shaft 303, and the circuit board is supported by the rotating frame 302;

[0042] Fixing mechanism, the fixing mechanism includes mounting holes symmetrically opened on the outer wall of the support plate 101, and a fixing cylinder 401 is movably connected to the inner wall of the mounting hole;

[0043] The fixing cylinder 401 is supported through the mounting hole;

[0044] A rotating frame 402 is threadedly connected to the inner wall of the fixing cylinder 401, a push rod 403 is fixedly connected to the outer wall of the rotating frame 402, and the outer diameter of the end of the push rod 403 is equal to the inner diameter of the fixing cylinder 401;

[0045] The rotating frame 402 is supported through the fixing cylinder 401, and the push rod 403 is driven to move through the rotating frame 402;

[0046] A limiting hole 404 is penetrated and opened at the end of the fixing cylinder 401, and a limiting ball 405 is movably connected to the inner wall of the limiting hole 404;

[0047] The limiting ball 405 is driven by the push rod 403 to extend out of the limiting hole 404;

[0048] Working principle: When the entire device needs to be replaced, rotate the rotating frame 402 to make it extend out of the fixing cylinder 401. The rotating frame 402 drives the push rod 403 to extend out of the fixing cylinder 401, so that the limiting ball 405 is retracted into the fixing cylinder 401, and the entire device is disassembled. During installation, rotate the rotating frame 402 in the reverse direction to drive the push rod 403 to move. The push rod 403 drives the limiting ball 405 to extend out of the limiting hole 404 and contact the inner wall of the installation platform, thereby limiting the entire device;

[0049] This step can facilitate the disassembly and assembly of the entire device.

[0050] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "install", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0051] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A precise positioning mechanism for welding leads, characterized in that Including: A limiting mechanism, the limiting mechanism includes a support plate (101), a placement groove (102) is formed on the outer wall of the support plate (101), a fixing frame (103) is fixedly connected to the outer wall of the support plate (101), a threaded rod (104) is threadedly connected to the inner wall of the fixing frame (103), a movable plate (106) is fixedly connected to the outer wall of the end of the threaded rod (104), springs (107) are fixedly connected to the outer wall of the movable plate (106) at equal intervals, and a clamping frame (108) is fixedly connected to the outer wall of the end of the springs (107).

2. The precise positioning mechanism for welding leads according to claim 1, wherein, A handle (105) is fixedly connected to the outer wall of the threaded rod (104), and one end of the clamping frame (108) far from the fixing frame (103) is inclined.

3. The precise positioning mechanism for welding leads according to claim 1, characterized in that, It further includes a discharging mechanism, the discharging mechanism includes brackets (202) symmetrically and fixedly connected to the outer wall of the support plate (101), and a cylinder (201) is fixedly connected to the inner wall of the brackets (202).

4. The precise positioning mechanism for welding leads according to claim 3, characterized in that, A push frame (203) is fixedly connected to the movable end of the cylinder (201), and a storage groove (204) corresponding to the push frame (203) is formed on the inner wall of the support plate (101).

5. The precise positioning mechanism for welding leads according to claim 1, characterized in that, It further includes a support mechanism, the support mechanism includes a connecting frame (301) fixedly connected to the outer wall of the support plate (101), an electric rotating shaft (303) is rotatably connected to the outer wall of the connecting frame (301), and a rotating frame (302) is fixedly connected to the outer wall of the electric rotating shaft (303).

6. The precise positioning mechanism for welding leads according to claim 1, characterized in that, It further includes a fixing mechanism, the fixing mechanism includes mounting holes symmetrically formed on the outer wall of the support plate (101), and a fixing cylinder (401) is movably connected to the inner wall of the mounting holes.

7. The precise positioning mechanism for welding leads according to claim 6, wherein A rotating frame (402) is threadedly connected to the inner wall of the fixing cylinder (401), a push rod (403) is fixedly connected to the outer wall of the rotating frame (402), and the outer diameter of the end of the push rod (403) is equal to the inner diameter of the fixing cylinder (401).

8. The precise positioning mechanism for welding leads according to claim 6, characterized in that, A limiting hole (404) is formed through the end of the fixing cylinder (401), and a limiting ball (405) is movably connected to the inner wall of the limiting hole (404).

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