Fixing jig suitable for welding lower cover of moving iron unit

Abstract

The utility model relates to a fixing jig suitable for welding a lower cover of a moving iron unit, which comprises a fixing base, a fixing seat is connected onto the fixing base, a product placing groove is arranged at the center of one side of the fixing seat, and a left fixing groove and a right fixing groove are respectively arranged on the left side and the right side of the product placing groove. A left fixing block and a right fixing block are connected into the left fixing groove and the right fixing groove respectively, a stepped structure is arranged at one end of each of the left fixing block and the right fixing block, an extending block is arranged at one end of each of the left fixing block and the right fixing block, a front fixing groove is formed in the front end of the product containing groove, a front fixing block is connected into the front fixing groove, and a top block is connected to the front fixing block. A pressing rod is connected to the other side of the fixing base in a penetrating mode, the top end of the pressing rod penetrates through the fixing base to be connected with a connecting block, the connecting block is connected with an upper pressing block, the upper pressing block is provided with a pressing piece used for pressing the side edge of a product, a window used for welding is formed in the fixing base, and a welding window is formed in the fixing base. According to the utility model, the welding quality can be improved.

Description

Technical Field

[0001] The utility model relates to a fixing jig suitable for welding a lower cover 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 for welding the lower cover 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 lower cover of a moving iron unit.

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

[0007] A fixing jig suitable for welding the lower cover of a moving iron unit comprises a fixing base, a fixing base is connected to the fixing base, a product placement groove for placing a product is opened at the center of one side of the fixing base, a left fixing groove and a right fixing groove are opened on the left and right sides of the product placement groove respectively, the left fixing groove and the right fixing groove are arranged on the same axis, a left fixing block and a right fixing block of the same structure are connected to the left fixing groove and the right fixing groove respectively, a step structure is provided on one end of the left fixing block and the right fixing block in contact with the product, and the left fixing block of the step structure An extension block is provided at one end of the right fixed block, and the extension block has a slope structure. A front fixing groove is provided at the front end of the product placement groove, and a front fixing block is connected to the front fixing groove. A top block is connected to the front fixing block in contact with the product, and a clamping rod is passed through the other side of the fixing seat, and the top of the clamping rod passes through the fixing seat and is connected to the connecting block, and the connecting block is connected to the upper clamping block. The upper clamping block has a clamping piece for clamping the side of the product, and a window for welding is provided on the fixing base, and a welding window is provided on the fixing seat located in the window.

[0008] Preferably, in the fixing jig suitable for welding the lower cover of the moving iron unit, the extension block and the fixing block are an integrally formed structure.

[0009] Preferably, in the fixing jig suitable for welding the lower cover of the moving iron unit, the inclination angle of the extension block is 45°.

[0010] Preferably, in the fixing jig suitable for welding the lower cover of the moving iron unit, the left fixing block and the right fixing block are connected to their respective fixing grooves by bolts.

[0011] Preferably, in the fixing jig suitable for welding the lower cover of the moving iron unit, the left and right fixing slots are provided with adjustment holes, and the left and right fixing blocks are connected with connection holes that match the adjustment holes.

[0012] Preferably, in the fixing jig suitable for welding the lower cover of the moving iron unit, the top block is in an "eight"-shaped structure.

[0013] Preferably, in the fixing jig suitable for welding the lower cover of the moving iron unit, the fixing base is connected to a guide block for guiding the connecting block.

[0014] Preferably, in the fixing jig suitable for welding the lower cover of the moving iron unit, the pressing sheet and the upper pressing block are an integrally formed structure.

[0015] By means of the above solution, the present invention has at least the following advantages:

[0016] The utility model can quickly fix various positions of the product, thereby ensuring the stability of the fixation, ensuring that there will be no loosening during welding, and improving the quality of welding.

[0017] 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

[0018] 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.

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This utility model Figure 1 Schematic diagram of the back structure. DETAILED DESCRIPTION

[0021] 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.

[0022] 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.

[0023] Example

[0024] like Figure 1 and Figure 2As shown, a fixing jig suitable for welding the lower cover of a moving iron unit includes a fixing base 1, a fixing base 2 is connected to the fixing base 1, a product placement groove 3 for placing the product is opened at the center of one side of the fixing base 2, a left fixing groove 4 and a right fixing groove 5 are opened on the left and right sides of the product placement groove 3, respectively, the left fixing groove 4 and the right fixing groove 5 are arranged on the same axis, and the left fixing block 6 and the right fixing block 7 of the same structure are connected to the left fixing groove 4 and the right fixing groove 5 respectively, and a step structure is provided on one end of the left fixing block 6 and the right fixing block 7 in contact with the product, and the left fixing block 6 and the right fixing block 7 of the step structure are provided with a step structure. An extension block 8 is provided at one end, and the extension block 8 is a slope structure. A front fixing groove 9 is provided at the front end of the product placement groove 3. A front fixing block 10 is connected to the front fixing groove 9. A top block 11 is connected to the front fixing block 10 that is in contact with the product. A clamping rod 12 is passed through the other side of the fixed seat 2. The top of the clamping rod 12 passes through the fixed seat 2 and is connected to the connecting block 13. The connecting block 13 is connected to the upper clamping block 14. A clamping piece 15 for clamping the side of the product is provided on the upper clamping block 14. A window 16 for welding is provided on the fixed base 1, and a welding window 17 is provided on the fixed seat 2 located in the window.

[0025] The extending block 8 and the fixing block in the present invention are integrally formed to improve their strength.

[0026] The inclination angle of the extension block 8 in the present invention is 45°, so that the product can be quickly positioned and fixed by the left fixing block 6 and the right fixing block 7.

[0027] In the present invention, the left fixing block 6 and the right fixing block 7 are connected to their respective fixing grooves by bolts. At the same time, adjustment holes are provided on the left and right fixing grooves. The left fixing block 6 and the right fixing block 7 are connected with connection holes that match the adjustment holes. The degree of tightening of the left fixing block 6 and the right fixing block 7 on the product can be appropriately adjusted according to the product to ensure that the quality of the product is not affected.

[0028] The top block 11 in the present invention is in an "eight"-shaped structure.

[0029] The fixed base 1 of the present invention is connected with a guide block 18 for guiding the connecting block.

[0030] The pressing piece 15 and the upper pressing block 14 in the present invention are an integrally formed structure.

[0031] The working principle of this utility model is as follows:

[0032] During the specific work, place the product in the product placement groove, then fix the left and right sides of the product with the left and right fixing blocks, and fix the front end of the product at the same time, and finally fix the upper end of the product with the clamping rod, and finally weld the product through the welding window.

[0033] 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.

[0034] 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.

[0035] 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.

[0036] 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.

[0037] 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 lower cover of a moving iron unit, characterized by: The invention comprises a fixed base (1), wherein the fixed base (1) is connected to a fixed base (2), a product placement groove (3) for placing a product is provided at the center of one side of the fixed base (2), a left fixed groove (4) and a right fixed groove (5) are provided on the left and right sides of the product placement groove (3), respectively, the left fixed groove (4) and the right fixed groove (5) are arranged on the same axis, a left fixed block (6) and a right fixed block (7) of the same structure are connected to the left fixed groove (4) and the right fixed groove (5), respectively, one end of the left fixed block (6) and the right fixed block (7) in contact with the product is provided with a step structure, and one end of the left fixed block (6) and the right fixed block (7) of the step structure is provided with an extension block (8), and the extension block (9) is provided with a plurality of extension blocks. The extension block (8) is of a slope structure. A front fixing groove (9) is provided at the front end of the product placement groove (3). A front fixing block (10) is connected in the front fixing groove (9). A top block (11) is connected to the front fixing block (10) in contact with the product. A pressing rod (12) is passed through the other side of the fixing seat (2). The top end of the pressing rod (12) passes through the fixing seat (2) and is connected to the connecting block (13). The connecting block (13) is connected to the upper pressing block (14). A pressing piece (15) for pressing the side of the product is provided on the upper pressing block (14). A window (16) for welding is provided on the fixing base (1), and a welding window (17) is provided on the fixing seat (2) located in the window.

2. A fixing jig suitable for welding the lower cover of a moving iron unit according to claim 1, characterized in that: The extension block (8) and the fixing block are an integrally formed structure.

3. A fixing jig suitable for welding the lower cover of a moving iron unit according to claim 1 or 2, characterized in that: The inclination angle of the extension block (8) is 45°.

4. The fixing jig for welding the lower cover of a moving iron unit according to claim 1, characterized in that: The left fixing block (6) and the right fixing block (7) are connected to their respective fixing grooves via bolts.

5. The fixing jig for welding the lower cover of a moving iron unit according to claim 1, characterized in that: Adjustment holes are provided on the left and right fixing slots, and connection holes matching the adjustment holes are provided on the left fixing block (6) and the right fixing block (7).

6. The fixing jig for welding the lower cover of a moving iron unit according to claim 1, characterized in that: The top block (11) is in an "eight"-shaped structure.

7. The fixing jig for welding the lower cover of a moving iron unit according to claim 1, characterized in that: The fixed base (1) is connected to a guide block (18) for guiding the connecting block.

8. The fixing jig for welding the lower cover of a moving iron unit according to claim 1, characterized in that: The compression sheet (15) and the upper compression block (14) are an integrally formed structure.

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