Fixing jig suitable for welding upper cover and lower cover of moving iron unit

Abstract

The utility model relates to a fixing jig suitable for welding an upper cover and a lower cover of a moving iron unit, which comprises a fixing base, the left side of the fixing base is connected with a mounting seat, the center of the mounting seat is provided with a placing groove area, and the mounting seat on the left side of the placing groove area is connected with a left fixing plate. A positioning groove used for positioning the lower portion of a product is formed in the left fixing plate, a notch is formed in the right side of the mounting base, a movable positioning block is connected to the notch in a sliding mode, a movable rod is connected to the mounting base in a penetrating mode, the movable rod penetrates through the mounting base to be connected with the movable positioning block, and the movable positioning block and the left fixing plate are oppositely arranged. A fixed connecting block is connected to the cushion block, a pressing rod is connected to the fixed connecting block in a penetrating mode, a connecting block is connected to the upper end of the pressing rod, a right fixing plate is connected to the connecting block, a positioning hole is formed in the right fixing plate and is opposite to the positioning groove, and the lower end of the pressing rod is connected with a driving device. According to the utility model, the working efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to a fixing jig suitable for welding upper and lower covers of a moving iron unit. Background Art

[0002] True wireless earphones are increasingly being used in our daily lives, effectively eliminating the limitations and inconveniences of wired headphones. The industry is rapidly expanding. A balanced armature driver (BAL) is an electroacoustic transducer used in earphones and hearing aids, converting electrical signals into sound signals. However, the BAL driver's extremely small size makes assembly extremely difficult, necessitating automated assembly and testing.

[0003] After searching, the patent: A receiver (CN201721263601.7), including a lower shell; a moving iron unit, arranged in the lower shell; a connecting rod, one end of which is connected to the moving iron unit; a diaphragm, including a bracket, a film and a vibration wing, the film is fixed to the bracket, the vibration wing is fixed to the film, and one surface of the bracket is welded and fixed to the lower shell; an upper shell, the upper shell is welded and fixed to the other surface of the bracket, wherein the upper shell is also provided with a sound outlet. Although the upper and lower covers in the above structure are connected by welding technology, it does not specify how to achieve welding. The quality of the welding cannot be guaranteed, and rework may be required, thereby increasing the cost.

[0004] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a new type of fixing fixture suitable for welding the upper and lower covers of the moving iron unit, making it more valuable for industrial use. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the present utility model is to provide a fixing jig suitable for welding the upper and lower covers of a moving iron unit.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] The left side of the fixing plate is provided with a fixing block, the fixing block being fixed with a fixing block and the fixing block being fixed with a fixing block.

[0008] Preferably, the fixing jig suitable for welding the upper and lower covers of the moving iron unit has an anti-slip layer provided in the placement groove area.

[0009] Preferably, in the fixing jig suitable for welding the upper and lower covers of the moving iron unit, the driving device is a cylinder.

[0010] Preferably, in the fixing jig suitable for welding the upper and lower covers of the moving iron unit, the fixing connection block is provided with a guide positioning groove for positioning the connection block.

[0011] Preferably, the fixing jig suitable for welding the upper and lower covers of the moving iron unit is provided with an easy-to-remove groove on the right fixing plate located outside the positioning hole.

[0012] By means of the above solution, the present invention has at least the following advantages:

[0013] The utility model can quickly fix the product and ensure the accuracy of the upper and lower parts of the product, thereby ensuring the welding quality between them, reducing the problem of rework, and thus achieving the purpose of improving work efficiency.

[0014] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the utility model without the right fixing plate installed. DETAILED DESCRIPTION

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0020] Example

[0021] like Figure 1 and Figure 2As shown, a fixing jig suitable for welding the upper and lower covers of a moving iron unit comprises a fixing base 1, a mounting base 2 is connected to the left side of the fixing base 1, a placement groove area 13 for placing a product is provided in the center of the mounting base 2, the mounting base 2 located on the left side of the placement groove area 13 is connected to a left fixing plate 3, a positioning groove 4 for positioning the lower part of the product is provided on the left fixing plate 3 located at the placement groove area 2, a notch is provided on the right side of the mounting base 2, a movable positioning block 5 is slidably connected to the notch, a movable rod 6 is passed through the mounting base 2, and the movable rod 6 passes through the mounting base 2 and The movable positioning block 5 is connected, and the movable positioning block 5 is arranged opposite to the left fixed plate 3, and the top surface of the movable positioning block 5 and the left fixed plate 3 are arranged in the same plane. There is a cushion block 7 on the right side of the fixed base 1, and the cushion block 7 is connected to the fixed connecting block 8. The fixed connecting block 8 is penetrated by a clamping rod 9, and the upper end of the clamping rod 9 is connected to a connecting block 10, and the connecting block 10 is connected to a right fixed plate 11. A positioning hole 12 for positioning and fixing the upper part of the product is opened on the right fixed plate 11, and the positioning hole 12 is arranged opposite to the positioning groove 4. The lower end of the clamping rod 9 is connected to the driving device.

[0022] The placement groove area 2 of the present invention is provided with an anti-skid layer, which can effectively solve the problem of product slipping.

[0023] The driving device in the utility model is a cylinder.

[0024] The fixed connecting block 8 of the present invention is provided with a guide positioning groove for positioning the connecting block 10 to ensure the accuracy of pressing down.

[0025] In the present invention, an easy-to-take slot is provided on the right fixing plate 11 outside the positioning hole 12, which allows for quick and easy taking.

[0026] The working principle of this utility model is as follows:

[0027] During specific operation, the lower part of the product is placed in the placement groove and the product is positioned through the positioning groove, and then the movable positioning block is used to fix the product through the movable rod. Then, the driving shaft of the driving device (cylinder) is connected to the clamping rod to make the connecting block move downward. During the downward process, the right fixed plate is pressed down together, passes through the upper part of the product through the positioning hole, and is positioned and fixed to the upper part, and finally welded by the welding device.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition or explanation in subsequent drawings.

[0029] In the description of this application, it should be noted that the terms "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended solely to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] In addition, the terms "horizontal" and "vertical" do not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A fixture suitable for welding the upper and lower covers of a moving iron unit, characterized by: The invention comprises a fixed base (1), a mounting base (2) is connected to the left side of the fixed base (1), a placement groove area (13) for placing products is provided in the center of the mounting base (2), the mounting base (2) is connected to a left fixed plate (3) on the left side of the placement groove area (13), a positioning groove (4) for positioning the lower part of the product is provided on the left fixed plate (3) located at the placement groove area (13), a notch is provided on the right side of the mounting base (2), a movable positioning block (5) is slidably connected to the notch, a movable rod (6) is passed through the mounting base (2), the movable rod (6) passes through the mounting base (2) and is connected to the movable positioning block (5), and the movable rod (6) is connected to the movable positioning block (5). The movable positioning block (5) is arranged opposite to the left fixed plate (3), and the movable positioning block (5) and the top surface of the left fixed plate (3) are arranged on the same plane. A cushion block (7) is provided on the right side of the fixed base (1). A fixed connecting block (8) is connected to the cushion block (7). A pressing rod (9) is passed through the fixed connecting block (8). The upper end of the pressing rod (9) is connected to a connecting block (10). The connecting block (10) is connected to a right fixed plate (11). A positioning hole (12) for positioning and fixing the upper part of the product is provided on the right fixed plate (11). The positioning hole (12) is arranged opposite to the positioning groove (4). The lower end of the pressing rod (9) is connected to the driving device.

2. A fixing jig suitable for welding upper and lower covers of a moving iron unit according to claim 1, characterized in that: An anti-slip layer is provided in the placement groove area (13).

3. The fixing jig for welding the upper and lower covers of a moving iron unit according to claim 1, characterized in that: The driving device is a cylinder.

4. The fixing jig for welding the upper and lower covers of a moving iron unit according to claim 1, characterized in that: The fixed connection block (8) is provided with a guide positioning groove for positioning the connection block (10).

5. The fixing jig for welding the upper and lower covers of a moving iron unit according to claim 1, characterized in that: An easy-to-take groove is provided on the right fixing plate (11) located outside the positioning hole (12).

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