Touch spring welding clamping tool

Abstract

The utility model discloses a welding and clamping tool for a touch spring. The welding and clamping tool comprises a limiting frame used for positioning a circuit board; the limiting plate is a metal plate of a U-shaped structure; the limiting frame is fixedly connected with the limiting plate, the positioning plates are arranged on the outer side of the limiting plate, a plurality of spring mounting holes are formed in the top of each positioning plate and used for positioning and limiting springs, and a positioning column is fixedly connected to the top of each positioning plate and used for positioning the limiting frame. The circuit board can be accurately positioned at a preset position; the arrangement of the positioning groove ensures that the circuit board does not displace in the welding process, so that the welding precision is ensured; due to the arrangement of the fastening screws, the limiting plate can be firmly fixed after the position of the limiting plate is adjusted, and the reliability of the tool is ensured; the sliding connection of the positioning plate and the limiting plate allows the position of the limiting plate to be adjusted according to needs so as to adapt to different tool or process requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic scale processing technical field, concretely is a kind of touch spring welding clamping tool. BACKGROUND

[0002] Touch panel is usually used as input device in electronic scale, for accepting user's operation command (such as switch, set weight unit, zero, etc.). In order to ensure that touch panel can work normally, it needs to ensure that its electrical connection between circuit board is stable and without gap. The purpose of using spring is to ensure that touch panel can keep good contact with circuit board, and by welding circuit board and spring, it can make contact point more firm, avoid the situation of poor contact or looseness, ensure that every touch can correctly transmit signal.

[0003] In the process of welding touch spring, it is mostly through tweezers to clamp spring and then weld, because the volume of spring is small and it is conical structure, it is easy to fall or have positioning deviation problem when clamping and welding, therefore, it needs a corresponding clamping tool to position and dock spring and circuit board. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of touch spring welding clamping tool to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of touch spring welding clamping tool, comprising:

[0006] limiting frame for positioning circuit board;

[0007] limiting plate, limiting plate is the metal plate of U-shaped structure;

[0008] positioning plate, positioning plate is set up multiple and is placed in the outer side of the limiting plate, the top of the positioning plate is equipped with multiple spring mounting holes, for positioning and limiting spring, the top of the positioning plate is fixedly connected with positioning column, for positioning limiting frame.

[0009] As preferred, the top of the limiting frame is equipped with positioning slot, for installing positioning circuit board.

[0010] As preferred, the middle part of the limiting frame is equipped with multiple positioning holes matched with positioning column, when positioning column is matched with positioning hole, the welding point of touch spring and circuit board corresponds.

[0011] As preferred, the limiting plate is provided with three, and the bottom of the limiting plate is fixedly connected with connecting plate, and the end of the limiting plate is provided with chamfer structure.

[0012] As preferred, the positioning plate is in sliding connection with the limiting plate, the positioning plate has a groove corresponding to the position of the limiting plate, and a fastening screw is threadedly connected in the groove for extruding and fixing the limiting plate.

[0013] As preferred, the bottom of the positioning plate is fixedly connected with a suction cup.

[0014] Compared with the prior art, the utility model has the beneficial effects that through the cooperation of the limiting frame, the limiting plate and the positioning column, the circuit board can be accurately positioned at the predetermined position; the setting of the positioning groove ensures that the circuit board will not displace during welding, thereby ensuring the welding precision; the setting of the fastening screw allows the limiting plate to be fixed firmly after adjusting the position, thereby ensuring the reliability of the tooling; the sliding connection of the positioning plate and the limiting plate allows the limiting plate to adjust the position as needed to adapt to different tooling or process requirements; this setting makes the tooling more flexible and can cope with various welding scenes and requirements; the setting of the tooling considers the convenience of operation, for example, the chamfered structure of the limiting plate makes it easier to butt joint with the limiting frame, thereby improving the smoothness of the cooperation; the setting of the spring mounting hole allows the touch spring to be conveniently mounted on the positioning plate with the sharp head upward, thereby facilitating the correspondence with the welding position on the circuit board; since the tooling provides sufficient pressing force and maintains the stability of the circuit board, the problem of poor welding quality caused by vibration or error is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model when positioning the circuit board;

[0017] Figure 3 It is a structural schematic view of the positioning plate of the utility model;

[0018] Figure 4 It is a structural schematic view of the suction cup of the utility model.

[0019] In the drawing: 1, positioning plate; 2, limiting frame; 3, positioning column; 4, limiting plate; 5, connecting plate; 6, positioning groove; 7, positioning hole; 8, groove; 9, fastening screw; 10, spring mounting hole; 11, suction cup. DETAILED DESCRIPTION

[0020] 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 and not 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.

[0021] Please refer to Figure 1 , 2 , 3, 4, the utility model provides a technical scheme: a kind of touch spring welding clamping tool, comprising: for the positioning circuit board limiting frame 2;Limiting plate 4 is the metal plate of U-shaped structure, limiting plate 4 is used to position limiting frame 2;Positioning plate 1 is provided with multiple and is placed in the outside of limiting plate 4, the top of positioning plate 1 is equipped with six spring mounting holes 10, for positioning and limiting spring, the top of positioning plate 1 is fixedly connected with positioning column 3, for positioning limiting frame 2.

[0022] It should be noted that the utility model places conical touch spring in spring mounting hole 10, so that the sharp head of touch spring faces upwards, circuit board is placed inside limiting frame 2, limiting frame 2 is placed on the top of positioning plate 1, so that the two sides of limiting frame 2 contact with limiting plate 4, and limiting frame 2 is cooperated with positioning column 3, so that the welding position of circuit board corresponds with touch spring, welding equipment is welded in the corresponding position, limiting frame, limiting plate and positioning column cooperate, so that touch spring can be accurately matched in the corresponding position of circuit board, and enough pressure can be provided during welding process, the stability of circuit board is maintained, and poor welding quality caused by vibration or error is avoided.

[0023] Please refer to Figure 1 , 2 , 3, the top of limiting frame 2 is equipped with positioning groove 6, for installing and positioning circuit board, the middle part of limiting frame 2 is equipped with multiple positioning holes 7 matched with positioning column 3, when positioning column 3 is matched with positioning hole 7, the welding point of touch spring corresponds with circuit board.

[0024] It should be noted that the utility model positioning groove 6 is located at the top of limiting frame 2, for installing and fixing circuit board.Circuit board can be accurately placed in the groove and tightly combined with the inner wall of positioning groove, so that displacement of circuit board during welding process is avoided, thereby ensuring accurate positioning of circuit board and avoiding error during welding process.A plurality of positioning holes 7 matched with positioning column 3 are arranged in the middle part of limiting frame 2.Through the cooperation of positioning column 3 and positioning hole 7, the position of limiting frame 2 and the circuit board inside it can be further ensured to be more stable.Positioning column 3 connects limiting frame and circuit board with positioning hole 7, so that the position of circuit board is fixed and any deviation is avoided.Through the cooperation of positioning column 3 and positioning hole 7, the welding point of touch spring and circuit board is accurately connected.Tip of touch spring faces upwards and is fixed in spring mounting hole on the top of positioning plate 1.So that when circuit board is placed in positioning groove, and limiting frame 2 is locked, touch spring corresponds with the welding position on circuit board exactly.The pressure of touch spring and the fixation of circuit board ensure that circuit board does not displace or deviate during welding process, thereby ensuring the accuracy of each welding.

[0025] As shown in Figure 2 , 3 As shown in the drawings, the limiting plate 4 is provided with three and the bottom of the limiting plate 4 is fixedly connected with the connecting plate 5, and the end of the limiting plate 4 is provided with a chamfer structure.

[0026] It should be noted that the connecting plate 5 is used for fixedly connecting the limiting plate 4, so that the stability and strength of the limiting plate 4 are effectively enhanced, the loosening or displacement in the use process is prevented, and the chamfer of the limiting plate 4 can make the end of the limiting plate 4 more easily dock when cooperating with the limiting frame 2. The jamming or poor contact caused by the right-angle contact is avoided, and the smoothness of cooperation is improved.

[0027] As shown in Figure 4 The positioning plate 1 is slidably connected with the limiting plate 4, the positioning plate 1 is provided with a groove 8 corresponding to the position of the limiting plate 4, and the inside of the groove 8 is threadedly connected with a fastening screw 9 for extruding and fixing the limiting plate 4.

[0028] It should be noted that the sliding connection of the positioning plate 1 and the limiting plate 4 can allow the limiting plate 4 to adjust the position as required to adapt to different tooling or process requirements, and after the adjustment is completed, the fastening screw 9 can be tightened to extrude the limiting plate 4 by the end of the fastening screw 9, so that the relative position of the positioning plate 1 and the limiting plate 4 is fixed by extrusion.

[0029] As shown in Figure 4 The bottom of the positioning plate 1 is fixedly connected with a suction cup 11.

[0030] It should be noted that the positioning plate 1 can be stably kept at a predetermined position by the adsorption force of the suction cup. Continuous supporting action can be provided, and displacement of the equipment due to gravity or external force is avoided.

[0031] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as a limitation of the utility model.

[0032] In addition, the terms "first", "second", "third", "fourth" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implying a number of the indicated technical features, so the features with "first", "second", "third", "fourth" can be explicitly or implicitly include at least one of the features.

[0033] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise expressly limited, those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0034] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A touch spring soldering clamp tool characterized by: The utility model relates to a kind of positioning frame for positioning circuit board. It includes: Limiting frame (2) for positioning circuit board; Limiting plate (4), limiting plate (4) is the metal plate of U-shaped structure; 2. A touch spring welding clamp tool according to claim 1, wherein: Positioning plate (1) is provided with multiple and is placed in the outside of limiting plate (4), the top of positioning plate (1) is equipped with multiple spring mounting hole (10), for positioning and limiting spring, the top of positioning plate (1) is fixedly connected with positioning column (3), for positioning limiting frame (2).

3. The touch spring welding clamp tool of claim 1, wherein: The top of limiting frame (2) is equipped with positioning groove (6), for installing positioning circuit board.

4. The touch spring welding clamp tool of claim 1, wherein: The middle of limiting frame (2) is equipped with multiple positioning hole (7) cooperating with positioning column (3), when positioning column (3) cooperates with positioning hole (7), touch spring and the welding point of circuit board correspond.

5. A touch spring welding clamp tool according to claim 4, wherein: Limiting plate (4) is provided with three and the bottom of limiting plate (4) is fixedly connected with connecting plate (5), and the end of limiting plate (4) is provided with chamfer structure.

6. A touch spring welding clamp tool according to claim 1, wherein: Positioning plate (1) is slidably connected with limiting plate (4), and positioning plate (1) has recess (8) corresponding to the position of limiting plate (4), and the inside of recess (8) is threadedly connected with fastening screw (9), for extruding and fixing limiting plate (4). The bottom of positioning plate (1) is fixedly connected with suction disc (11).

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