A welding apparatus

Abstract

The application relates to a welding device which eliminates the time loss of traditional manual carrying and multiple feeding and discharging by integrating a double welding station and a multifunctional welding tool and utilizing a continuous conveying layout, greatly shortens the production rhythm, and the first and second jigs of the welding tool accurately fix the connecting piece and the carbon brush, and the carbon brush fixing block is driven to move through a first transmission structure, the welding part is tightly and stably abutted, and the reliability and consistency of the welding point are guaranteed. After welding, the second transmission structure drives the carbon brush to automatically separate from the fixing block, lossless discharging is realized, the problem that small workpieces are easy to be damaged is solved, and the third jig ensures the accurate positioning of the shell and the carbon brush assembly and the quality of secondary welding, so that the shortcomings that manual operation is low in efficiency, poor in precision, workpieces are easy to be damaged, and single-station equipment cannot continuously group weld are effectively overcome.

Description

Technical Field

[0001] This utility model relates to a welding device and belongs to the field of welding technology. Background Technology

[0002] In the fields of electronics manufacturing and precision instrument assembly, it is often necessary to precisely assemble and solder multiple components (especially irregularly shaped, miniature, or densely packed components). The core challenge currently faced is the difficulty in achieving efficient automation with conventional assembly tooling. These tooling designs are simple, lack adaptability, and cannot reliably achieve automatic positioning and synchronous clamping of multiple components. When faced with combinations of components of different specifications, conventional tooling either fails to reliably fix the components, leading to displacement, or requires frequent changes to specialized fixtures, significantly increasing costs and severely restricting production flexibility due to long changeover and debugging times. Especially in highly mixed, small-batch production models, there is a lack of low-cost, high-efficiency automation solutions.

[0003] Therefore, a large number of such tasks are forced to rely on manual operation. Workers need to manually pick up, place, and align tiny components, while holding a soldering iron in one hand to heat it and using the other hand to hold the component in place and feed solder wire. This process is cumbersome, inefficient, and prone to component positioning deviations and weak soldering due to operator fatigue or coordination difficulties. As a result, assembly and soldering efficiency becomes a bottleneck, product quality consistency is difficult to guarantee, and over-reliance on worker skills leads to high labor costs and occupational health risks. Utility Model Content

[0004] The purpose of this invention is to provide a welding device to solve the above-mentioned problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a welding device, the welding device comprising a conveyor line and a first loading station, a first welding station, a first unloading station, a second loading station, a second welding station, and a second unloading station arranged sequentially along the conveyor line in the conveying direction; the first loading station is used to place a welding fixture with carbon brushes and connecting pieces onto the conveyor line; the first unloading station is used to unload the welded carbon brushes and connecting pieces; the second loading station is used to place a housing equipped with welded carbon brushes and connecting pieces onto the welding fixture; and the second unloading station is used to unload the welded housing.

[0006] The welding fixture includes a first fixture for fixing the connecting piece, a second fixture for fixing the carbon brush, and a third fixture for fixing the housing. The first fixture includes a carbon brush fixing block and a driving mechanism. The driving mechanism includes a first transmission structure, a second transmission structure, and a power component for driving the first transmission structure and the second transmission structure. The first transmission structure is used to drive the carbon brush fixing block to move toward the second fixture so that the carbon brush abuts against the welding part of the connecting piece. The second transmission structure is used to drive the carbon brush welded to the connecting piece to detach from the carbon brush fixing block.

[0007] Furthermore, the welding fixture also includes a base for mounting the first fixture, the second fixture, and the third fixture. A guide rail is connected between the first fixture and the second fixture. The first transmission structure includes a transmission rod that is vertically arranged along the extension direction of the guide rail. An actuation surface is formed between the transmission rod and the carbon brush fixing block. The actuation surface is used to drive the carbon brush fixing block to move along the extension direction of the guide rail.

[0008] Furthermore, the actuating surface is an inclined surface or a circular arc surface.

[0009] Furthermore, a tapered portion is arranged on the transmission rod, and a bearing is arranged on the carbon brush fixing block. The tapered portion pushes against the bearing to drive the carbon brush fixing block closer to the second fixture.

[0010] Furthermore, an elastic element is provided between the carbon brush fixing block and the second fixture, and the elastic element always has the tendency to drive the carbon brush fixing block away from the second fixture.

[0011] Furthermore, the second transmission structure is a push rod arranged parallel to the transmission rod, the top of the push rod being lower than the top of the transmission rod, and the push rod being in close contact with the bottom of the carbon brush when the carbon brush is connected to the connecting piece.

[0012] Furthermore, the second fixture is provided with a connecting groove, and the carbon brush is connected to the connecting piece from the connecting groove.

[0013] Furthermore, the first fixture also includes a pressure plate hinged to the carbon brush fixing block, the pressure plate pressing against the top of the connecting groove.

[0014] The beneficial effects of this utility model are as follows: By integrating dual welding stations and multifunctional welding fixtures, this application eliminates the time loss of traditional manual handling and multiple loading and unloading operations through a continuous conveying layout, significantly shortening the production cycle. The first and second fixtures of the welding fixture precisely fix the connecting piece and the carbon brush, and drive the carbon brush fixing block to move through the first transmission structure, ensuring a tight and stable contact at the welding point and guaranteeing the reliability and consistency of the welding point. After welding, the second transmission structure drives the carbon brush to automatically detach from the fixing block, achieving non-destructive unloading and solving the problem of easy damage to small workpieces. The third fixture ensures the precise positioning of the housing and carbon brush assembly and the quality of secondary welding, thereby effectively overcoming the shortcomings of low efficiency, poor precision, easy damage to workpieces, and the inability of single-station equipment to continuously assemble and weld by manual operation.

[0015] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a welding device according to an embodiment of this application;

[0017] Figure 2 for Figure 1 Schematic diagram of the welding fixture;

[0018] Figure 3 for Figure 1 Exploded view of the welding fixture. Detailed Implementation

[0019] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0020] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Furthermore, in this utility model, unless otherwise explicitly specified and limited, "on" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium.

[0023] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0024] Please refer to Figures 1 to 3The welding equipment shown in one embodiment of this application includes a conveyor line 10 and a first loading station 20, a first welding station 30, a first unloading station 40, a second loading station 50, a second welding station 60, and a second unloading station 70 arranged sequentially along the conveying direction of the conveyor line 10. The first loading station 20 is used to place a welding fixture 80 with carbon brushes and connecting pieces onto the conveyor line 10. The first unloading station 40 is used to unload the welded carbon brushes and connecting pieces. The second loading station 50 is used to place a housing equipped with welded carbon brushes and connecting pieces onto the welding fixture 80. The second unloading station 70 is used to unload the welded housing. The first loading station 20, the first welding station 30, the first unloading station 40, the second loading station 50, the second welding station 60, and the second unloading station 70 are respectively equipped with loading fixtures, unloading fixtures and welding mechanisms adapted to the welding products. They can be selected from existing conventional mechanisms according to the shape of the product. The conveyor line 10 can be a turntable or a conveyor belt, as long as it can drive the welding fixture 80 to move between the stations. No specific limitations or details are given here.

[0025] The welding fixture 80 includes a first fixture 82 for fixing the connecting piece, a second fixture 83 for fixing the carbon brush, and a third fixture 84 for fixing the housing. The first fixture 82 includes a carbon brush fixing block 821 and a driving mechanism. The driving mechanism includes a first transmission structure, a second transmission structure, and a power component (not shown) for driving the first transmission structure and the second transmission structure. The first transmission structure is used to drive the carbon brush fixing block 821 to move toward the second fixture 83 so that the carbon brush abuts against the welding part of the connecting piece. The second transmission structure is used to drive the carbon brush welded to the connecting piece to detach from the carbon brush fixing block 821.

[0026] In one embodiment, the welding fixture 80 further includes a base 81 for mounting a first fixture 82, a second fixture 83, and a third fixture 84. A guide rail 811 connects the first fixture 82 and the second fixture 83. The first transmission structure includes a transmission rod 822 perpendicularly arranged along the extension direction of the guide rail 811. An actuating surface is formed between the transmission rod 822 and the carbon brush fixing block 821. The actuating surface is used to drive the carbon brush fixing block 821 to move along the extension direction of the guide rail 811. The power member drives the transmission rod 822 to move, thereby causing the actuating surface between the transmission rod 822 and the carbon brush fixing block 821 to abut and generate sliding friction, thereby driving the carbon brush fixing block 821 to move.

[0027] In one embodiment, the actuating surface is an inclined surface or a circular arc surface. The actuating surface only needs to satisfy the requirement that the transmission rod 822 and the carbon brush fixing block 821 can slide relative to each other and drive the carbon brush fixing block 821 to move towards the second fixture 83. No specific limitation is made here.

[0028] In one embodiment, a tapered portion 8221 is arranged on the transmission rod 822, and a bearing 8211 is arranged on the carbon brush fixing block 821. The tapered portion 8221 pushes against the bearing 8211 to drive the carbon brush fixing block 821 closer to the second fixture 83. Through the abutment and engagement between the bearing 8211 and the arcuate surface of the tapered portion 8221, the sliding friction between the actuating surfaces is transformed into rolling friction, thereby effectively reducing the friction force and making it easier to drive the carbon brush fixing block 821 to move.

[0029] In one embodiment, an elastic element 824 is provided between the carbon brush fixing block 821 and the second fixture 83. The elastic element 824 always tends to drive the carbon brush fixing block 821 away from the second fixture 83. The elastic element 824 is a mechanical structure with a reset effect, such as a spring or elastic rubber component. Resetting through a mechanical structure helps to simplify the structure and reduce the power source.

[0030] In one embodiment, the second transmission structure is a push rod 823 arranged parallel to the transmission rod 822. The top of the push rod 823 is lower than the top of the transmission rod 822, and the push rod 823 is exactly in close contact with the bottom of the carbon brush when the carbon brush is connected to the connecting piece. The power component is a cylinder, which drives the transmission rod 822 and the push rod 823 to move simultaneously. By utilizing the height difference between the transmission rod 822 and the push rod 823, two functions can be achieved through the intermittent operation of a single power source, which helps to simplify the structure of the welding fixture 80.

[0031] In one embodiment, the second fixture 83 is provided with a connecting groove 831, through which the carbon brush connects to the connecting piece. By providing the connecting groove 831, the connecting end of the carbon brush is guided, thereby ensuring that the connecting end of the carbon brush is accurately connected to the connecting piece.

[0032] In one embodiment, the first fixture 82 further includes a pressure plate 825 hinged to the carbon brush fixing block 821, which presses down on the top of the connecting groove 831. By pressing the connecting groove 831 with the hinged cover plate, the connecting end of the carbon brush is effectively prevented from protruding from the top of the connecting groove 831. At the same time, after the carbon brush and the connecting piece are welded and fixed, the pressure plate 825 can be rotated by pushing it with the unloading clamp, thereby avoiding affecting the unloading clamp's gripping of the carbon brush and the connecting piece.

[0033] This application integrates dual welding stations and multifunctional welding fixtures, utilizing a continuous conveyor layout to eliminate the time losses associated with traditional manual handling and multiple loading / unloading operations, significantly shortening the production cycle. The first and second fixtures of the welding fixture precisely fix the connecting piece and carbon brush, and the first transmission structure drives the carbon brush fixing block to move, ensuring a tight and stable contact at the welding point and guaranteeing the reliability and consistency of the weld. After welding, the second transmission structure drives the carbon brush to automatically detach from the fixing block, achieving non-destructive unloading and solving the problem of fragile small workpieces. The third fixture ensures precise positioning of the housing and carbon brush assembly and the quality of secondary welding, thus effectively overcoming the shortcomings of low efficiency, poor precision, fragile workpieces, and the inability of single-station equipment to continuously assemble and weld by manual operation.

[0034] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A welding apparatus characterized by comprising: The welding equipment includes a conveyor line and a first loading station, a first welding station, a first unloading station, a second loading station, a second welding station, and a second unloading station arranged sequentially along the conveyor line. The first loading station is used to place a welding fixture with carbon brushes and connecting pieces onto the conveyor line. The first unloading station is used to unload the welded carbon brushes and connecting pieces. The second loading station is used to place a housing equipped with welded carbon brushes and connecting pieces onto the welding fixture. The second unloading station is used to unload the welded housing. The welding fixture includes a first fixture for fixing the connecting piece, a second fixture for fixing the carbon brush, and a third fixture for fixing the housing. The first fixture includes a carbon brush fixing block and a driving mechanism. The driving mechanism includes a first transmission structure, a second transmission structure, and a power component for driving the first transmission structure and the second transmission structure. The first transmission structure is used to drive the carbon brush fixing block to move toward the second fixture so that the carbon brush abuts against the welding part of the connecting piece. The second transmission structure is used to drive the carbon brush welded to the connecting piece to detach from the carbon brush fixing block.

2. The welding apparatus of claim 1, wherein, The welding fixture further includes a base for mounting the first fixture, the second fixture, and the third fixture. A guide rail is connected between the first fixture and the second fixture. The first transmission structure includes a transmission rod that is vertically arranged along the extension direction of the guide rail. An actuation surface is formed between the transmission rod and the carbon brush fixing block. The actuation surface is used to drive the carbon brush fixing block to move along the extension direction of the guide rail.

3. The welding apparatus of claim 2, wherein, The actuating surface is an inclined surface or a circular arc surface.

4. The welding apparatus of claim 3, wherein, The transmission rod is provided with a tapered portion, and the carbon brush fixing block is provided with a bearing. The tapered portion pushes against the bearing to drive the carbon brush fixing block closer to the second fixture.

5. The welding apparatus of claim 4, wherein, An elastic element is provided between the carbon brush fixing block and the second fixture, and the elastic element always has the tendency to drive the carbon brush fixing block away from the second fixture.

6. The welding apparatus of claim 2, wherein, The second transmission structure is a push rod arranged parallel to the transmission rod. The top of the push rod is lower than the top of the transmission rod, and the push rod is in close contact with the bottom of the carbon brush when the carbon brush is connected to the connecting piece.

7. The welding apparatus of claim 1, wherein, The second fixture is provided with a connecting groove, and the carbon brush is connected to the connecting piece from the connecting groove.

8. The welding apparatus of claim 7, wherein, The first fixture also includes a pressure plate hinged to the carbon brush fixing block, the pressure plate pressing against the top of the connecting groove.

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