Ultrasonic welding tool for side wall decoration plate of car trunk

Abstract

The utility model relates to an ultrasonic welding tool for a car trunk side wall decoration plate, which comprises a machine base serving as a basic support, a welding platform for placing the trunk side wall decoration plate is fixed on the machine base, the welding platform comprises a bottom plate fixedly connected with the machine base, and a contour positioning block is fixed on the bottom plate. The contour positioning block is provided with a pressing device used for pressing the trunk side wall decoration plate in a buckling mode. An automatic welding mechanical arm is arranged on the machine base, and an ultrasonic welding device is arranged on the automatic welding mechanical arm. A welding platform is arranged on a machine base, a bottom plate and a contour positioning block are arranged on the welding platform, a plurality of pressing devices for pressing the trunk side wall decoration plate are arranged on the contour positioning block, and then the trunk side wall decoration plate is subjected to ultrasonic welding through an automatic welding mechanical arm arranged on the machine base. The traditional chemical bonding process is replaced by ultrasonic welding, so that pungent smell cannot be generated, and air cannot be polluted.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing automobile parts, in particular to an ultrasonic welding tool for a side panel of an automobile luggage compartment. Background Art

[0002] The trunk side trim is an important auto part, which is installed on both sides of the trunk body, and plays the role of appearance beautification and sound insulation. In order to achieve the sound insulation effect, a sound insulation layer made of sound insulation material is generally covered on the back of the trunk side trim.

[0003] For example, the Chinese patent publication (announcement) number is CN208715114U, and the patent title is: A sound insulation side panel for a car trunk. It discloses that "

[0026] the base plate 2, the reinforcement plate 3, the sound insulation plate 6 and the exterior panel 7 are fixedly connected to each other by adhesive layers, the adhesive layers are solid adhesives, and the solid adhesives are phenolic resin adhesives... phenolic resin adhesives have the characteristics of good heat resistance, high bonding strength, good aging resistance and excellent electrical insulation, and are cheap and easy to use, so they are used for fixed connection between plates." It can be seen that the sound insulation board is bonded by phenolic resin adhesives. These adhesives are a kind of chemical products. When heated and cured, pungent odors such as phenol and formaldehyde will be generated, which is not conducive to environmental protection. Summary of the invention

[0004] The utility model aims to provide an ultrasonic welding tool for a side panel of a car trunk to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the utility model is achieved through the following technical measures: an ultrasonic welding tool for a side panel of a car trunk, including a machine base as a basic support, characterized in that: a welding platform for placing the trunk side panel is fixed on the machine base, the welding platform includes a bottom plate fixedly connected to the machine base, a contour positioning block is fixed on the bottom plate, and a clamping device for pressing the trunk side panel is arranged on the contour positioning block; an automatic welding manipulator is arranged on the machine base, and an ultrasonic welding device is arranged on the automatic welding manipulator.

[0006] Compared with the prior art, the utility model has the advantages of: by arranging a welding platform on the machine base, arranging a bottom plate and a contour positioning block on the welding platform, and arranging a plurality of pressing devices for pressing the side panel of the luggage compartment on the contour positioning block, and then ultrasonically welding the side panel of the luggage compartment through an automatic welding manipulator arranged on the machine base. This method of replacing the traditional chemical bonding process with ultrasonic welding will not produce irritating odor and will not pollute the air.

[0007] As an improvement of the utility model, a heightening column is provided between the contour positioning block and the bottom plate. The purpose of selecting this design is: the heightening column is used to raise the positioning surface to facilitate the placement and removal of workpiece products.

[0008] As an improvement of the present invention, the clamping device is provided with an ear plate and a pressure rod, and the pressure rod is screwed with a clamping block for pressing the side panel of the luggage compartment. The purpose of selecting this design is that the clamping device is fixed on the plane of the contour positioning block through the ear plate, and then the edge of the side panel of the luggage compartment is pressed by the extended pressure rod of the clamping device. The clamping device is divided into an upper edge clamping device, a lower edge clamping device, a side clamping device and a special-shaped contour clamping device according to the characteristics of the workpiece product. The structural principles of the clamping devices are the same, and the difference is that the shape and size of the clamping block are designed according to the shape of each pressed part.

[0009] As an improvement of the utility model, a welding reserved hole is provided on the pressing block. The purpose of selecting this design is: the welding reserved hole, the welding head of the ultrasonic welding device welds the sound insulation cotton layer through the reserved hole, so that the sound insulation cotton layer is welded and fixed on the decorative plate body.

[0010] As an improvement of the utility model, the ultrasonic welding device includes a welding head, an ultrasonic amplitude rod is fixedly connected to the rear of the welding head, a connecting block is provided on the ultrasonic amplitude rod, and the connecting block is fixedly connected to the automatic welding manipulator. The purpose of selecting this design: these structures are to connect the welding head to the automatic welding manipulator, because a flange joint is usually reserved at the terminal of the automatic welding manipulator, which can be connected to different tools or end effectors. In the present invention, after the ultrasonic welding device is fixed to the flange joint, automatic welding can be achieved.

[0011] As an improvement of the utility model, the working surface of the welding head is provided with an inverted cone-shaped needle-piercing portion. The purpose of selecting this design: the welding head of the ultrasonic welding device is made by uniform needle-piercing, which can improve the welding strength and reduce the load of the ultrasonic generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0013] In the attached picture:

[0014] Figure 1 The utility model is a three-dimensional diagram of the ultrasonic welding tool for the side panel of the automobile trunk.

[0015] Figure 2 It is a schematic diagram of the welding platform described in the utility model.

[0016] Figure 3 It is a stereoscopic view of each pressing device described in the utility model before pressing down.

[0017] Figure 4 It is a three-dimensional diagram of each pressing device described in the utility model after being pressed down.

[0018] Figure 5 It is a three-dimensional diagram of a single pressing device described in the utility model.

[0019] Figure 6 It is a stereoscopic diagram of the ultrasonic welding device described in the utility model.

[0020] Figure 7 This is a schematic diagram of the ultrasonic welding described in the present invention.

[0021] Figure 8 This is an exploded view of the luggage compartment side panel of the present invention.

[0022] Explanation of the reference numerals in the accompanying drawings: 1. base; 2. luggage compartment side panel; 3. welding platform; 4. bottom plate; 5. contour positioning block; 6. clamping device; 7. automatic welding manipulator; 8. ultrasonic welding device; 9. heightening column; 10. ear plate; 11. pressure rod; 12. clamping block; 13. welding reserved hole; 14. welding head; 15. ultrasonic amplitude transformer; 16. connecting block; 17. needle-punched part; 18. sound insulation cotton layer; 19. panel body; 20. upper edge clamping device; 21. lower edge clamping device; 22. side clamping device; 23. special-shaped contour clamping device; 24. pneumatic clamping device. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] Example 1

[0025] Please refer to Figure 1-8, the ultrasonic welding tooling for the side panel of the trunk of an automobile provided in this embodiment comprises a machine base 1 as a basic support, a welding platform 3 for placing the side panel of the trunk 2 is fixed on the left side of the machine base 1, and an automatic welding manipulator 7 is arranged on the right side of the machine base 1, and an ultrasonic welding device 8 is arranged on the automatic welding manipulator 7. In the embodiment of the utility model application, the automatic welding manipulator 7 uses a commercially available six-axis automatic welding robot equipment, six rotating axes, each axis can directly rotate independently according to the set program, among which the 1st, 2nd and 3rd axes send the welding head 14 to different three-dimensional spatial positions, and the 4th, 5th and 6th axes solve the posture of the welding head 14 to adapt to the requirements of welding surfaces at different angles. Since it is a prior art, it will not be described here.

[0026] In the embodiments of the present utility model application, please refer to Figure 2 The welding platform 3 includes a bottom plate 4 fixedly connected to the base 1, and a contour positioning block 5 is fixed on the bottom plate 4, wherein the contour positioning block 5 is made of high-strength insulating epoxy resin to prevent the ultrasonic welding head 14 and the generator from contacting the metal and burning. It should be noted that by using different welding platforms 3 and selecting different contour positioning blocks 5, the welding of the luggage compartment side panel 2 of different specifications and shapes can be realized, and the utilization rate of the automatic welding manipulator 7 and the workstation can be improved.

[0027] In the embodiments of the present utility model application, please refer to Figure 3 and Figure 4 , a clamping device 6 for pressing the luggage compartment side panel 2 is arranged on the contour positioning block 5. The clamping device 6 is divided into an upper edge clamping device 20, a lower edge clamping device 21, a side clamping device 22 and a special-shaped contour clamping device 23 according to the characteristics of the workpiece product. All clamping devices 6 are fixedly connected by a stainless steel clamping block or a special-shaped contour clamping block and a cylinder to achieve clamping and flipping opening. The structural principles of the clamping devices 6 are the same. The difference is that the clamping block 12 is designed in shape and size according to the shape of each clamped part. The special-shaped contour clamping device 23 is installed on the main body positioning seat, and the clamping block 12 is adapted to the special-shaped contour of the panel body 19. The upper edge clamping device 20, the lower edge clamping device 21, and the side clamping device 22 all adopt the structure of a pneumatic clamping device 24.

[0028] In the embodiments of the present utility model application, please refer to Figure 2 A heightening column 9 is provided between the contour positioning block 5 and the bottom plate 4. The heightening column 9 is used to raise the positioning surface to facilitate the placement and removal of the workpiece product.

[0029] In the embodiments of the present utility model application, please refer to Figure 5The clamping device 6 is provided with an ear plate 10 and a pressure rod 11, and the pressure rod 11 is screwed with a pressure block 12 for pressing the luggage compartment side panel 2. The clamping device 6 is fixed on the plane of the contour positioning block 5 through the ear plate 10, and then the edge of the luggage compartment side panel 2 is pressed by the extended pressure rod 11 of the clamping device 6.

[0030] In the embodiments of the present utility model application, please refer to Figure 5 The pressing block 12 is provided with a welding reserved hole 13. The welding head 14 of the ultrasonic welding device 8 welds the sound insulation cotton layer 18 through the reserved hole, so that the sound insulation cotton layer 18 is welded and fixed on the decorative plate body 19.

[0031] In the embodiments of the present utility model application, please refer to Figure 6 The ultrasonic welding device 8 includes a welding head 14, and an ultrasonic horn 15 is fixedly connected to the rear of the welding head 14. The ultrasonic horn 15 is provided with a connecting block 16, and the connecting block 16 is fixedly connected to the automatic welding manipulator 7. These structures connect the welding head 14 to the automatic welding manipulator 7, because a flange joint is usually reserved at the terminal of the automatic welding manipulator 7, which can be connected to different tools or end effectors. In the present invention, after the ultrasonic welding device 8 is fixed to the flange joint, automatic welding can be achieved.

[0032] In the embodiments of the present utility model application, please refer to Figure 7 The working surface of the welding head 14 is provided with an inverted cone-shaped needle-piercing portion 17. The welding head 14 of the ultrasonic welding device 8 is made by uniform needle-piercing, which can improve the welding strength and reduce the load of the ultrasonic generator. In addition, the welding head 14 is detachable, which is convenient for quick replacement and maintenance.

[0033] This embodiment provides an ultrasonic welding tool for the side panel of a car trunk. When used normally, please refer to Figure 8 , the decorative panel body 19 and the sound insulation layer, the two parts to be welded, are superimposed and placed on the contour positioning block 5 of the welding platform 3, and the automatic welding robot 7 is started. The ultrasonic vibration transmits the high-frequency vibration to the two welded parts along with the welding head 14, generating local high temperature, so that the interface between the two welded parts is melted, and under a certain pressure, the two welded parts can achieve a beautiful, fast and strong welding effect.

[0034] The beneficial effect of the utility model is that: by arranging a welding platform 3 on the machine base 1, arranging a bottom plate 4 and a contour positioning block 5 on the welding platform 3, and arranging a plurality of pressing devices 6 for pressing the luggage compartment side panel 2 on the contour positioning block 5, and then ultrasonically welding the luggage compartment side panel 2 by an automatic welding manipulator 7 arranged on the machine base 1. This method of using ultrasonic welding to replace the traditional bonding process does not produce irritating odor and does not pollute the air.

[0035] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An ultrasonic welding tool for a side panel of a car trunk, comprising a base (1) as a basic support, wherein: A welding platform (3) for placing a luggage compartment side panel (2) is fixed on the machine base (1), and the welding platform (3) comprises a bottom plate (4) fixedly connected to the machine base (1), a contour positioning block (5) is fixed on the bottom plate (4), and a pressing device (6) for pressing the luggage compartment side panel (2) is arranged on the contour positioning block (5); an automatic welding manipulator (7) is arranged on the machine base (1), and an ultrasonic welding device (8) is arranged on the automatic welding manipulator (7).

2. The ultrasonic welding tool for the side panel of the automobile trunk according to claim 1 is characterized in that: A heightening column (9) is provided between the contour positioning block (5) and the bottom plate (4).

3. The ultrasonic welding tool for the side panel of the automobile trunk according to claim 1 is characterized in that: The clamping device (6) is provided with an ear plate (10) and a pressure rod (11), and the pressure rod (11) is screwed with a clamping block (12) for clamping the luggage compartment side panel (2).

4. The ultrasonic welding tool for the side panel of the automobile trunk according to claim 3 is characterized in that: The pressing block (12) is provided with a welding reserved hole (13).

5. The ultrasonic welding tool for the side panel of a car trunk according to claim 1, characterized in that: The ultrasonic welding device (8) comprises a welding head (14), the rear of which is fixedly connected to an ultrasonic horn (15), the ultrasonic horn (15) being provided with a connecting block (16), and the connecting block (16) being fixedly connected to the automatic welding manipulator (7).

6. The ultrasonic welding tool for the side panel of the automobile trunk according to claim 5 is characterized in that: The working surface of the welding head (14) is provided with an inverted cone-shaped puncture portion (17).

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