A welding device for complex-structure products

Abstract

The utility model discloses a welding device of complex structure product belongs to ultrasonic welding technical field, this device includes: fixed establishment, drive cylinder, its installation is in fixed establishment, guide rail, its installation is in drive cylinder bottom, install the sliding block on the guide rail, the sliding block is connected with the output shaft of drive cylinder, transducer, its installation is on the sliding block, the amplitude modulation rod, its installation is on the output of transducer, the amplitude modulation rod includes the first cross bar of hook type, vertical rod and second cross bar, the first cross bar head end is connected with the output of transducer, the first cross bar tail end is connected with vertical rod top, vertical rod bottom is connected with the first end of second cross bar, the welding head, its installation is on second cross bar tail end. The utility model changes the mode of traditional ultrasonic welding unit linear arrangement, realizes the welding spot of different welding direction and carries out welding, thereby reduces the use number of welding equipment, to reduce production cost.

Description

Technical Field

[0001] This utility model relates to the field of ultrasonic welding technology, and specifically to a welding device for complex structural products. Background Technology

[0002] Ultrasonic welding is a primary welding process for automotive interior parts. In ultrasonic welding, the hot riveting head plays a crucial role in the quality of the welded door panel. A good welding head can shorten the weld formation cycle, improve weld quality, and reduce production costs.

[0003] A complete ultrasonic welding unit mainly consists of five parts: a fixing mechanism, a drive cylinder, a transducer, an amplitude modulator, and a welding head. To ensure welding quality and extend the lifespan of the ultrasonic welding unit, the fixing mechanism is typically designed to be robust, and the drive cylinder diameter is usually relatively large. This results in a larger space requirement for a single ultrasonic welding unit. Furthermore, ultrasonic welding requires the welding head to be parallel or nearly parallel to the welding surface of the weld point; otherwise, its lifespan will be affected. Therefore, in traditional ultrasonic welding units, the fixing mechanism, drive cylinder, guide rail, transducer, amplitude modulator, and welding head are generally arranged in an approximately straight line above the weld point.

[0004] Due to their structural characteristics, automotive interior parts have a large number of weld points with a high density. The traditional linear arrangement of ultrasonic welding units leads to insufficient space, making it impossible to install all welding units. To solve this problem, a common approach is to group the weld points, with each welding machine welding only a portion of them. This solves the space shortage issue. However, this also significantly increases equipment costs; each additional group requires an additional machine and a set of welding mats.

[0005] For cost reasons, each welding machine needs to weld as many weld points as possible. Therefore, a necessary condition for grouping weld points is that the welding surfaces of the weld points need to be parallel or nearly parallel to avoid interference between welding units, allowing more welding units to be installed in a limited space. However, when dealing with some complex products, the welding surfaces of the weld points may be perpendicular to each other, or even three welding surfaces may be perpendicular to each other in pairs, and it is necessary to group these weld points together for welding. Utility Model Content

[0006] The purpose of this invention is to provide an efficient welding device for complex structural products.

[0007] To solve the above-mentioned technical problems, a welding device for complex structure products includes:

[0008] Fixed mechanism;

[0009] A drive cylinder, which is mounted on a fixed mechanism;

[0010] A guide rail is mounted at the bottom of the drive cylinder; a slider is mounted on the guide rail; the slider is connected to the output shaft of the drive cylinder.

[0011] The transducer is mounted on the slider;

[0012] An amplitude adjustment rod is installed on the output end of the transducer; the amplitude adjustment rod includes a hook-shaped first horizontal bar, a vertical bar and a second horizontal bar, the first horizontal bar's head end is connected to the output end of the transducer, the first horizontal bar's tail end is connected to the top of the vertical bar, and the vertical bar's bottom end is connected to the head end of the second horizontal bar.

[0013] The welding head is installed on the tail end of the second crossbar.

[0014] Preferably, the fixing mechanism includes an L-shaped fixing plate and a fan-shaped fixing plate connected together;

[0015] The bottom of the L-shaped fixing plate is fixedly connected to the top of the fan-shaped fixing plate;

[0016] The drive cylinder is fixedly mounted on the side wall of the sector-shaped fixed plate.

[0017] Preferably, the drive cylinder, guide rail, first crossbar, and second crossbar are all horizontally arranged;

[0018] The vertical rod is set vertically.

[0019] Preferably, the slider is connected to the output shaft of the drive cylinder via a connecting plate.

[0020] Preferably, it also includes an auxiliary plate;

[0021] The auxiliary plate is connected to the amplitude adjustment rod.

[0022] Preferably, the auxiliary plate is L-shaped;

[0023] The auxiliary plate includes a connected auxiliary horizontal plate and an auxiliary vertical plate;

[0024] The tail end of the auxiliary horizontal plate is connected to the top of the auxiliary vertical plate.

[0025] Preferably, the tail end of the first crossbar is connected to the tail end of the auxiliary crossbar via a first connecting rod;

[0026] The bottom of the vertical rod is connected to the bottom of the auxiliary vertical plate via a second connecting rod.

[0027] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0028] This utility model provides a welding device for complex structure products that can be fixed to the welding mold in a relatively flexible manner.

[0029] This invention changes the traditional linear arrangement of ultrasonic welding units and the arrangement of the ultrasonic units themselves, enabling welding of weld points in different welding directions, thereby reducing the number of welding equipment used and lowering production costs.

[0030] For weld points in complex product structures, this invention allows for easy placement of the welding head, avoiding interference with welding units in other welding directions. Attached Figure Description

[0031] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0032] Figure 1 This is a schematic diagram of the welding device for a complex structure product according to this utility model;

[0033] Figure 2 This is a schematic diagram of the structure of a traditional ultrasonic welding unit;

[0034] In the picture:

[0035] 1-Fixing mechanism; 11-L-shaped fixing plate; 12-Fan-shaped fixing plate; 2-Drive cylinder; 21-Connecting plate; 3-Guide rail; 31-Slider; 4-Transducer; 5-Amplitude adjustment rod; 51-First horizontal bar; 52-Vertical bar; 53-Second horizontal bar; 6-Welding head; 7-Auxiliary plate; 71-Auxiliary horizontal plate; 72-Auxiliary vertical plate; 73-First connecting rod; 74-Second connecting rod. Detailed Implementation

[0036] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] The terminology used in one or more embodiments of this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the one or more embodiments of this specification. The singular forms “a,” “described,” and “the” as used in one or more embodiments of this specification and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used in one or more embodiments of this specification refers to and includes any or all possible combinations of one or more associated listed items.

[0038] It should be understood that although the terms first, second, etc., may be used to describe various information in one or more embodiments of this specification, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, first may also be referred to as second without departing from the scope of one or more embodiments of this specification, and similarly, second may also be referred to as first. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to a determination."

[0039] The present invention will now be described in further detail with reference to the accompanying drawings:

[0040] This invention provides a welding device for complex structural products, such as... Figure 1 As shown, it includes:

[0041] Fixed mechanism 1;

[0042] Drive cylinder 2, which is mounted on fixed mechanism 1;

[0043] A guide rail 3 is installed at the bottom of the drive cylinder 2; a slider 31 is installed on the guide rail 3; the slider 31 is connected to the output shaft of the drive cylinder 2.

[0044] Transducer 4 is mounted on slider 31;

[0045] An amplitude adjustment rod 5 is installed on the output end of the transducer 4; the amplitude adjustment rod 5 includes a hook-shaped first horizontal rod 51, a vertical rod 52 and a second horizontal rod 53, the first horizontal rod 51 is connected to the output end of the transducer 4, the tail end of the first horizontal rod 51 is connected to the top of the vertical rod 52, and the bottom of the vertical rod 52 is connected to the first end of the second horizontal rod 53.

[0046] Welding head 6 is installed on the tail end of the second crossbar 53.

[0047] Preferably, the fixing mechanism 1 includes an L-shaped fixing plate 11 and a fan-shaped fixing plate 12 connected together;

[0048] The bottom of the L-shaped fixing plate 11 is fixedly connected to the top of the fan-shaped fixing plate 12;

[0049] The drive cylinder 2 is fixedly installed on the side wall of the sector-shaped fixing plate 12.

[0050] Preferably, the drive cylinder 2, guide rail 3, first crossbar 51 and second crossbar 53 are all horizontally arranged;

[0051] The vertical rod 52 is set vertically.

[0052] Preferably, the slider 31 is connected to the output shaft of the drive cylinder 2 via a connecting plate 21.

[0053] Preferably, it also includes an auxiliary plate 7;

[0054] The auxiliary plate 7 is connected to the amplitude adjustment rod 5.

[0055] Preferably, the auxiliary plate 7 is L-shaped;

[0056] The auxiliary plate 7 includes a connected auxiliary horizontal plate 71 and an auxiliary vertical plate 72;

[0057] The tail end of the auxiliary horizontal plate 71 is connected to the top of the auxiliary vertical plate 72.

[0058] Preferably, the tail end of the first crossbar 51 is connected to the tail end of the auxiliary crossbar 71 via a first connecting rod 73;

[0059] The bottom of the vertical rod 52 is connected to the bottom of the auxiliary vertical plate 72 via the second connecting rod 74.

[0060] To better illustrate the technical effects of this utility model, the present utility model provides the following specific embodiments to explain the above technical process:

[0061] Example 1: A welding device for a complex structure product, such as... Figure 1 As shown:

[0062] This utility model is fixed to a column directly above the product or on the side of the membrane via a fixing mechanism 1. The output shaft of the drive cylinder 2 drives the slider 31 to slide on the guide rail 3 via a connecting plate 21. The transducer 4, mounted on the slider 31, slides accordingly. The horizontally positioned transducer 4 rotates the subsequent wave direction by 90°, adjusting it from vertical to horizontal. The amplitude adjustment rod 5 includes a hook-shaped first horizontal rod 51, a vertical rod 52, and a second horizontal rod 53. The transducer 4 rotates the wave direction by 180° via the hook-shaped amplitude adjustment rod 5. When the welding device is installed on one side of a product with a complex structure,

[0063] It can be easily welded.

[0064] The auxiliary plate 7 is installed on one side of the transducer 4 and parallel to it. The auxiliary plate 7 is fixedly connected to the amplitude adjustment rod 5 through the first connecting rod 73 and the second connecting rod 74. The auxiliary plate 7 has a fixing effect on the amplitude adjustment rod 5 to ensure that it moves along the extension direction.

[0065] like Figure 2As shown, the traditional ultrasonic welding unit fixing mechanism 1, driving cylinder 2, guide rail 3, transducer 4, amplitude transformer rod 5, and welding head 6 are connected in sequence. They are arranged nearly linearly above the welding point. To solve the problem of assembly interference of the welding units in different welding directions, it is necessary to avoid the installation position of the welding unit in the main welding direction. Generally, the space directly above the product is the assembly space of the welding unit in the main welding direction. Therefore, it is necessary to avoid the installation space above the product and find the installation position of the welding unit from the side.

[0066] As Figure 1 shown, the complex structure product to be processed can be placed directly below the transducer 4. When the driving cylinder 2 retracts, it带动 the welding head 6 at the end of the second cross bar 53 to move towards the side wall of the product to be processed. The transducer 4 emits waves, and the welding head 6 welds the welding points on the side wall of the complex structure product to be processed.

[0067] The welding unit designed by the present utility model is flexibly fixed. It can be fixed in the space directly above the product or on the column on the side of the die. The amplitude transformer rod 5 is changed from the traditional cylindrical structure to a hook-shaped structure, and at the same time, the wave-emitting time of the welding head is changed. Instead of emitting waves when the output shaft of the driving cylinder 2 extends, it emits waves when the output shaft of the driving cylinder 2 retracts.

[0068] The overall layout of the welding unit of the present utility model is similar to a "ji" character structure, which can save space to the greatest extent and improve the flexibility of use.

[0069] As described above, only the specific embodiments of the present utility model are given, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claimed rights.

Claims

1. A welding device for complex structural products, characterized in that, include: Fixed mechanism (1); Drive cylinder (2), which is mounted on fixed mechanism (1); A guide rail (3) is installed at the bottom of the drive cylinder (2); a slider (31) is installed on the guide rail (3); the slider (31) is connected to the output shaft of the drive cylinder (2); A transducer (4) is mounted on a slider (31); An amplitude adjustment rod (5) is mounted on a transducer (4); the amplitude adjustment rod (5) includes a hook-shaped first horizontal bar (51), a vertical bar (52), and a second horizontal bar (53). The first horizontal bar (51) is connected to the output end of the transducer (4), the tail end of the first horizontal bar (51) is connected to the top of the vertical bar (52), and the bottom of the vertical bar (52) is connected to the first end of the second horizontal bar (53). The welding head (6) is installed on the tail end of the second crossbar (53).

2. The welding apparatus for complex structure products according to claim 1, characterized in that: The fixing mechanism (1) includes an L-shaped fixing plate (11) and a fan-shaped fixing plate (12) connected together; The bottom of the L-shaped fixing plate (11) is fixedly connected to the top of the fan-shaped fixing plate (12); The drive cylinder (2) is fixedly installed on the side wall of the sector-shaped fixing plate (12).

3. The welding apparatus for complex structure products according to claim 2, characterized in that: The drive cylinder (2), guide rail (3), first crossbar (51) and second crossbar (53) are all horizontally arranged; The vertical rod (52) is set vertically.

4. The welding apparatus for complex structure products according to claim 3, characterized in that: The slider (31) is connected to the output shaft of the drive cylinder (2) via a connecting plate (21).

5. The welding apparatus for complex structure products according to claim 4, characterized in that, It also includes an auxiliary board (7); The auxiliary plate (7) is installed on one side of the transducer (4) and the amplitude adjustment rod (5); The auxiliary plate (7) is connected to the amplitude adjustment rod (5).

6. The welding apparatus for complex structure products according to claim 5, characterized in that: The auxiliary plate (7) is L-shaped; The auxiliary plate (7) includes a connected auxiliary horizontal plate (71) and an auxiliary vertical plate (72); The tail end of the auxiliary horizontal plate (71) is connected to the top of the auxiliary vertical plate (72).

7. The welding apparatus for complex structure products according to claim 6, characterized in that: The tail end of the first crossbar (51) is connected to the tail end of the auxiliary crossbar (71) via the first connecting rod (73); The bottom of the vertical rod (52) is connected to the bottom of the auxiliary vertical plate (72) via the second connecting rod (74).

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