Ultrasonic welding tool for automobile rearview mirror steering lamp mask shell

Abstract

The utility model belongs to the technical field of welding tools, and particularly relates to an ultrasonic welding tool for an automobile rearview mirror steering lamp mask shell. The die comprises an upper pressing die and a lower pressing die, an arc-shaped bottom is arranged below the upper pressing die, an upper protruding part is arranged in the middle of the arc-shaped bottom, an upper machining groove is formed in the upper protruding part, a tail block is arranged at one end of the upper protruding part and one end of the upper machining groove, and a lower protruding part is arranged above the lower pressing die. According to the ultrasonic welding device, by means of the targeted portions arranged on the upper pressing die and the lower pressing die, when the upper mask and the lower mask are subjected to press-fit ultrasonic welding, downward pressing between original planes is avoided, the welding efficiency is improved, the welding quality is improved, and the welding quality is improved. Damage or deformation of the mask shell is prevented, rework and workload are reduced, and working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding tools and relates to an ultrasonic welding tool for a housing of a steering lamp mask of a rearview mirror of an automobile. Background Art

[0002] The rearview mirror is a tool for the driver to directly obtain external information such as the rear, side and bottom of the car while sitting in the driver's seat. In order to facilitate the operation of the driver, prevent the occurrence of traffic safety accidents and ensure personal safety, all countries have stipulated that rearview mirrors must be installed on cars, and all rearview mirrors must be able to adjust the direction. When installing the rearview mirror turn signal, friction welding is used. Due to the diversity of designs, the existing rearview mirror turn signal masks are all uniformly pressed with platen-type tooling during ultrasonic welding, which is not targeted. This will cause the mask to be deformed or cracked during welding, which will result in defective products that need to be remanufactured, increasing production costs and reducing work efficiency. Therefore, in response to the above problems, an ultrasonic welding tool for the shell of a rearview mirror turn signal mask is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and provides an ultrasonic welding tool for a car rearview mirror turn signal lamp mask shell.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An ultrasonic welding tool for a car rearview mirror turn signal mask shell comprises an upper die and a lower die, an upper mask and a lower mask are arranged between the upper die and the lower die, and the upper mask is placed in the middle of the upper part of the lower mask, an arc-shaped bottom is arranged at the bottom of the upper die, an upper protrusion is arranged in the middle of the arc-shaped bottom, an upper processing groove and a tail block are arranged in the middle of the upper protrusion, and the tail block is placed at one end of the upper processing groove, the top of the upper mask is arranged in the upper processing groove, a reinforcing strip hole is arranged in the middle of the upper die, an external connection hole is arranged in the center of the bottom of the upper die, a lower protrusion is arranged above the lower die, and mounting surfaces are arranged on both sides of the bottom of the lower protrusion, a lower processing groove is arranged in the middle of the upper part of the lower protrusion, and the bottom of the lower mask is arranged above the lower processing groove and the mounting surface.

[0006] In the above-mentioned ultrasonic welding tooling for the automobile rearview mirror turn signal mask shell, the bottom of the upper die is provided with an arc-shaped bottom, and the two ends of the arc-shaped bottom are horizontal plane ends. The middle part of the arc-shaped bottom is fixedly connected to the upper protrusion, and there is a distance between the peripheral side of the upper protrusion and the side of the arc-shaped bottom.

[0007] In the above-mentioned ultrasonic welding tool for the automobile rearview mirror turn signal lamp mask shell, an upper processing groove is opened in the upper raised portion, and there is a distance between the peripheral side wall of the upper processing groove and the peripheral side edge of the upper raised portion.

[0008] In the above-mentioned ultrasonic welding tooling for the automobile rearview mirror turn signal mask shell, one end of the upper protrusion is fixedly connected to the tail block, and the bottom surface of the tail block is integrated with the bottom surface of the upper protrusion, and at the same time, the inner end of the tail block is fixedly connected to the tail end of the upper processing groove.

[0009] In the above-mentioned ultrasonic welding tooling for the automobile rearview mirror turn signal lamp mask shell, the top of the mask is inserted into the upper processing groove, and the upper plane of the side of the mask is tightly fitted with the peripheral side of the bottom of the upper protrusion.

[0010] In the above-mentioned ultrasonic welding tooling for the automobile rearview mirror turn signal mask shell, two reinforcing strip holes are opened in the middle of the upper die, and there is a distance between the bottom of the two reinforcing strip holes and the arc bottom. An external hole is opened in the center of the bottom of the upper die, and the external hole is connected to the pressing device.

[0011] In the above-mentioned ultrasonic welding tooling for the automobile rearview mirror turn signal mask shell, the bottom of the lower die is fixedly connected to the external equipment platform, the upper middle part of the lower die is fixedly connected to the lower protrusion, and there is a spacing between the two sides of the lower protrusion and the two sides of the lower die.

[0012] In the above-mentioned ultrasonic welding tooling for the automobile rearview mirror turn signal lamp mask shell, a mounting surface is provided on the top of the lower raised portion, a lower processing groove is opened on the top of the lower raised portion, and mounting surfaces are provided on both sides of the lower processing groove, and the lower processing groove corresponds to the upper processing groove.

[0013] In the above-mentioned ultrasonic welding tool for the automobile rearview mirror turn signal lamp mask shell, the lower mask is placed in the lower processing groove, and the bottom of the lower mask is tightly fitted with the mounting surface.

[0014] In the above-mentioned ultrasonic welding tool for the automobile rearview mirror turn signal lamp mask shell, the upper mask bottom is placed above the lower mask.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model has an arc-shaped bottom below an upper die, an upper protrusion in the middle of the arc-shaped bottom, an upper processing groove in the upper protrusion, and a tail block at one end of the upper protrusion and the upper processing groove, a lower protrusion above a lower die, and a mounting surface and a lower processing groove above the lower protrusion, a lower mask is placed on the mounting surface and the lower processing groove, and the targeted parts on the upper die and the lower die are utilized to avoid downward pressure between the original planes when the upper mask and the lower mask are pressed and ultrasonically welded, thereby preventing damage or deformation of the mask shell, reducing rework and workload, and increasing work efficiency.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 It is an overall exploded top view schematic diagram of the utility model;

[0020] Figure 3 It is an overall exploded bottom view schematic diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the bottom of the upper die of the utility model;

[0022] Figure 5 It is a schematic diagram of the top of the lower pressing die of the utility model.

[0023] In the figure: 1, upper die; 11, upper raised portion; 12, upper processing groove; 13, tail block; 2, lower die; 21, lower raised portion; 22, lower processing groove; 23, mounting surface; 3, upper mask; 4, lower mask; 5, arc-shaped bottom; 6, reinforcing strip hole; 7, external connection hole. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5 As shown, an ultrasonic welding tool for a housing of a rearview mirror turn signal lamp mask of an automobile comprises an upper die 1 and a lower die 2, an upper mask 3 and a lower mask 4 are arranged between the upper die 1 and the lower die 2, and the upper mask 3 is placed in the middle of the upper part of the lower mask 4, an arc-shaped bottom 5 is arranged at the bottom of the upper die 1, an upper protrusion 11 is arranged in the middle of the arc-shaped bottom 5, an upper processing groove 12 and a tail block 13 are arranged in the middle of the upper protrusion 11, and the tail block 13 is placed at one end of the upper processing groove 12, the top of the upper mask 3 is arranged in the upper processing groove 12, a reinforcing strip hole 7 is arranged in the middle of the upper die 1, an external connection hole 6 is arranged in the center of the bottom of the upper die 1, a lower protrusion 21 is arranged above the lower die 2, and mounting surfaces 23 are arranged on both sides of the bottom of the lower protrusion 21, a lower processing groove 22 is arranged in the middle of the upper part of the lower protrusion 21, and the bottom of the lower mask 4 is arranged above the lower processing groove 22 and the mounting surface 23.

[0026] An arc-shaped bottom 5 is opened through the bottom of the upper die 1 , and both ends of the arc-shaped bottom 5 are horizontal plane ends. The middle of the arc-shaped bottom 5 is fixedly connected to the upper raised portion 11 , and there is a distance between the peripheral side of the upper raised portion 11 and the side of the arc-shaped bottom 5 .

[0027] An arc-shaped bottom 5 is provided at the bottom of the upper die 1, and the arc-shaped bottom 5 is opened corresponding to the shape of the rearview mirror turn signal mask, which is convenient for welding, and an upper protrusion 11 is provided inside the arc-shaped bottom 5, so that the upper protrusion 11 is just stuck above the outer periphery of the upper mask 3 to fix and press the upper mask 3.

[0028] Furthermore, an upper processing groove 12 is formed in the upper raised portion 11 , and a distance is provided between the side wall of the upper processing groove 12 and the side edge of the upper raised portion 11 .

[0029] An upper processing groove 12 is formed in the upper raised portion 11 , and the structure inside the upper processing groove 12 corresponds to the upper structure of the upper cover 3 to be processed. After the two are engaged, the upper cover 3 is stabilized during processing.

[0030] Furthermore, one end of the upper raised portion 11 is fixedly connected to the tail block 13 , and the bottom surface of the tail block 13 is integrated with the bottom surface of the upper raised portion 11 , while the inner side end of the tail block 13 is fixedly connected to the tail end of the upper processing groove 12 .

[0031] A tail block 13 is provided at one end of the upper protrusion 11 , and the tail block 13 is used to block the tail of the upper processing groove 12 , so that when the upper mask 3 is pressed and closed, the positioning of the upper mask 3 will not be offset.

[0032] Furthermore, the upper processing groove 12 is inserted into the top of the upper cover 3 , and the upper plane of the side of the upper cover 3 is tightly fitted with the peripheral side of the bottom of the upper protrusion 11 .

[0033] The upper mask 3 is inserted into the upper processing groove 12, and the tail of the upper mask 3 is positioned and blocked by the tail block 13. At the same time, the internal structure of the upper processing groove 12 is matched with the top of the upper mask 3, so that when the entire upper mask 3 is pressed, the force-bearing area can be increased, the pressure above the upper mask 3 is reduced, and damage is prevented.

[0034] Two reinforcing strip holes 7 are opened in the middle of the upper pressing die 1, and there is a distance between the bottom of the two reinforcing strip holes 7 and the arc-shaped bottom 5. An external hole 6 is opened in the center of the bottom of the upper pressing die 1, and the external hole 6 is connected to the pressing device.

[0035] Two reinforcing strip holes 7 are provided above the upper die 1 to increase the force-bearing strength of the entire upper die 1 , and an external connection hole 6 is provided on the top of the upper die 1 to connect to an external hydraulic cylinder to drive the upper die 1 up and down.

[0036] The bottom of the lower die 2 is fixedly connected to the external equipment platform, the middle of the upper part of the lower die 2 is fixedly connected to the lower protrusion 21, and there is a gap between the two sides of the lower protrusion 21 and the two sides of the lower die 2.

[0037] A lower protrusion 21 is provided above the lower die 2, and the lower protrusion 21 corresponds to the upper protrusion 11, and the two are pressed together in accordance with the shapes of the upper mask 3 and the lower mask 4.

[0038] Furthermore, a mounting surface 23 is provided at the top of the lower raised portion 21 , a lower processing groove 22 is opened at the top of the lower raised portion 21 , and mounting surfaces 23 are provided on both sides of the lower processing groove 22 , and the lower processing groove 22 corresponds to the upper processing groove 12 .

[0039] Furthermore, the lower mask 4 is placed in the lower processing groove 22 , and the bottom of the periphery of the lower mask 4 is tightly fitted with the mounting surface 23 .

[0040] A mounting surface 23 and a lower processing groove 22 are provided above the lower protrusion 21. The special shapes of the mounting surface 23 and the lower processing groove 22 match the shape of the bottom of the lower mask 4, so that the lower mask 4 is completely attached to the two to prevent damage.

[0041] Furthermore, the bottom of the upper mask 3 is placed above the lower mask 4 .

[0042] After placing the upper mask 3 on the lower mask 4, the upper die 1 is lowered and pressed onto the upper mask 3, and the lower mask 4 is placed on the lower die 2, and the two together form a complete automobile rearview mirror turn signal mask shell.

[0043] Working principle:

[0044] An arc-shaped bottom 5 is provided below the upper die 1 to facilitate welding of the upper mask 3 and the lower mask 4. An upper protrusion 11 is provided in the middle of the arc-shaped bottom 5, and an upper processing groove 12 is provided in the upper protrusion 11. The upper mask 3 is completely pressed and fitted at the upper protrusion 11 and the upper processing groove 12 by the cooperation between the circumference of the upper protrusion 11 and the internal structure of the upper processing groove 12. At the same time, a tail block 13 is provided at one end of the upper protrusion 11 and the upper processing groove 12. The tail block 13 blocks the tail of the upper mask 3, so that the upper mask 3 is positioned stably before pressing and welding, and at the same time, it is ensured that the upper mask 3 will not deviate above the lower mask 4. A lower protrusion 21 is provided above the lower die 2, and a mounting surface 23 and a lower processing groove 22 are provided above the lower protrusion 21. At the same time, the lower processing groove 22 corresponds to the upper processing groove 12, and the lower mask 4 is placed on the mounting surface 23 and the lower processing groove 22. Since the internal structure of the lower processing groove 22 is the same as the bottom structure of the lower mask 4, the lower mask 4 is completely inserted therein. In this way, when the upper mask 3 is placed above the lower mask 4, the external connection hole 7 above the upper die 1 is connected to the end head of the hydraulic cylinder, so that the upper die 1 can be pressed downward, and then the upper die 1 is lowered and pressed onto the upper mask 3, so as to obtain a tooling for a targeted turn signal mask shell.

[0045] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0046] Although this article uses more terms such as 1, upper die; 11, upper raised portion; 12, upper processing groove; 13, tail block; 2, lower die; 21, lower raised portion; 22, lower processing groove; 23, mounting surface; 3, upper cover; 4, lower cover; 5, arc bottom; 6, reinforcing strip hole; 7, external hole, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. An ultrasonic welding tool for a car rearview mirror turn signal lamp housing, comprising an upper die (1) and a lower die (2), characterized in that: An upper mask (3) and a lower mask (4) are provided between the upper die (1) and the lower die (2), and the upper mask (3) is placed in the middle of the upper portion of the lower mask (4). An arc-shaped bottom (5) is provided at the bottom of the upper die (1), and an upper raised portion (11) is provided in the middle of the arc-shaped bottom (5). An upper processing groove (12) and a tail block (13) are provided in the middle of the upper raised portion (11), and the tail block (13) is placed at one end of the upper processing groove (12). 12) is provided with a top of an upper mask (3), a reinforcing strip hole (7) is provided in the middle of the upper die (1), an external connection hole (6) is provided at the center of the bottom of the upper die (1), a lower protrusion (21) is provided above the lower die (2), and mounting surfaces (23) are provided on both sides of the bottom of the lower protrusion (21), a lower processing groove (22) is provided in the middle above the lower protrusion (21), and the bottom of the lower mask (4) is provided above the lower processing groove (22) and the mounting surface (23).

2. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp housing according to claim 1, characterized in that: The bottom of the upper die (1) is provided with an arc-shaped bottom (5), and both ends of the arc-shaped bottom (5) are horizontal plane ends. The middle of the arc-shaped bottom (5) is fixedly connected to the upper raised portion (11), and there is a distance between the peripheral side of the upper raised portion (11) and the side of the arc-shaped bottom (5).

3. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp housing according to claim 2, characterized in that: An upper processing groove (12) is provided in the upper raised portion (11), and a distance is provided between the peripheral side wall of the upper processing groove (12) and the peripheral side edge of the upper raised portion (11).

4. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp housing according to claim 3 is characterized in that: One end of the upper raised portion (11) is fixedly connected to the tail block (13), and the bottom surface of the tail block (13) is integrated with the bottom surface of the upper raised portion (11), while the inner side end of the tail block (13) is fixedly connected to the tail end of the upper processing groove (12).

5. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp cover shell according to claim 4, characterized in that: The upper processing groove (12) is inserted into the top of the upper cover (3), and the upper plane of the side of the upper cover (3) is tightly fitted with the bottom peripheral side of the upper raised portion (11).

6. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp housing according to claim 5, characterized in that: Two reinforcing strip holes (7) are provided in the middle of the upper pressing die (1), and there is a distance between the bottom of the two reinforcing strip holes (7) and the arc-shaped bottom (5). An external connection hole (6) is provided in the center of the bottom of the upper pressing die (1), and the external connection hole (6) is connected to a pressing device.

7. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp housing according to claim 6, characterized in that: The bottom of the lower pressing die (2) is fixedly connected to the external equipment platform, the upper middle part of the lower pressing die (2) is fixedly connected to the lower protrusion (21), and there is a spacing between the two sides of the lower protrusion (21) and the two sides of the lower pressing die (2).

8. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp housing according to claim 7, characterized in that: A mounting surface (23) is provided at the top of the lower raised portion (21), a lower processing groove (22) is opened at the top of the lower raised portion (21), and mounting surfaces (23) are provided on both sides of the lower processing groove (22), and the lower processing groove (22) corresponds to the upper processing groove (12).

9. The ultrasonic welding tool for the automobile rearview mirror turn signal lamp housing according to claim 8, characterized in that: The lower mask (4) is placed in the lower processing groove (22), and the bottom of the periphery of the lower mask (4) is tightly fitted with the mounting surface (23).

10. The ultrasonic welding tool for the automotive rearview mirror turn signal lamp housing according to claim 9, characterized in that: The bottom of the upper mask (3) is placed above the lower mask (4).

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