Welding device

Abstract

The utility model discloses a welding device, which relates to the technical field of ultrasonic welding devices, and comprises a support and a base, a mould assembly used for limiting and shaping a product is arranged on the base in a matched manner, a preheating assembly is arranged between the mould assembly and the base in a matched manner, a transverse moving assembly is arranged on the support in a matched manner, and the transverse moving assembly is arranged on the base in a matched manner. The transverse moving assembly is provided with a lifting assembly, and the output end of the lifting assembly is provided with an ultrasonic welding head in a matched mode, wherein the ultrasonic welding head is matched with the mold assembly and used for conducting ultrasonic welding on products. When a to-be-welded product is placed in the welding die cavity, the electric heating coil can be electrified and preheats the to-be-welded product through electromagnetic induction, so that the hardness of a material is reduced, the material becomes soft, the internal stress during welding is reduced, and the ultrasonic welding effect is improved; and a plurality of groups of to-be-welded products can be placed on the bottom mold, so that the device can be used for preheating the plurality of groups of to-be-welded products at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic welding device technical field, concretely relates to a welding device. BACKGROUND

[0002] Ultrasonic welding device is a kind of equipment using high-frequency vibration wave to weld.It converts 50 / 60Hz electric frequency into 20KHz or 40KHz high-frequency electric energy by the function of crystal equipment, then converts into mechanical vibration energy by converter, and transmits to welding head.Welding head transmits mechanical vibration energy directly to the joint of workpiece to be welded, generates heat energy by friction, and makes plastic or metal melt and fuse.The device has the advantages of fast, efficient, high welding strength, and is widely used in plastic, electronic, electrical, automobile parts and other industries.

[0003] Ultrasonic welding technology can be used in the welding process of metal base.The technology generates energy by high-frequency vibration wave, and the energy is transmitted to the joint surface of metal base.Under the action of vibration, friction heat is generated on the surface of metal, and the metal in contact area melts and fuses, forming a firm welded joint.

[0004] The prior art has the following deficiencies: in the process of ultrasonic welding, the metal part may vibrate and crack due to the inability to withstand continuous mechanical stress, and the vibration and cracking phenomenon usually appears as fine or obvious cracks in the welding area of the metal part, and in severe cases, it may even lead to welding failure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a welding device to solve the technical problem that in the prior art, the metal part may vibrate and crack due to the inability to withstand continuous mechanical stress, and the vibration and cracking phenomenon usually appears as fine or obvious cracks in the welding area of the metal part, and in severe cases, it may even lead to welding failure.

[0006] The technical problem to be solved by the utility model can be realized by the following technical solutions:

[0007] A welding device, comprising a support and a base, a mold assembly for limiting and shaping products is matched and arranged on the base, a preheating assembly is matched and arranged between the mold assembly and the base, a horizontal moving assembly is matched and arranged on the support, a lifting assembly is arranged on the horizontal moving assembly, and an ultrasonic welding head for ultrasonic welding of products is matched and arranged on the output end of the lifting assembly.

[0008] As a further scheme of the utility model, an installation groove is formed in the base, the mold assembly is matched and arranged in the installation groove, and a plurality of electric heating rings matched with the mold assembly are arranged at the bottom of the installation groove.

[0009] As a further scheme of the utility model: the mold assembly includes the bottom mold matched with the shape of the installation groove, a plurality of welding mold grooves matched with the ultrasonic welding head are formed in the bottom mold, and the fixing assembly for fixing the bottom mold is arranged on the base.

[0010] As a further scheme of the utility model: the fixing assembly includes the fixing bolt threadedly connected with the base, and the limiting hole matched with the fixing bolt is formed in the side surface of the bottom mold.

[0011] As a further scheme of the utility model: the transverse moving assembly includes the electric guide rail fixedly connected with the support, and the cross beam is arranged in cooperation on the electric guide rail; the lifting assembly includes the hydraulic telescopic rod fixedly connected with the cross beam; and the guide slide rod in sliding cooperation with the hydraulic telescopic rod is fixedly connected with the support.

[0012] As a further scheme of the utility model: the handle is fixedly connected with the bottom mold.

[0013] The utility model discloses beneficial effects are as follows:

[0014] When the product to be welded is placed in the welding mold groove, the electric heating ring can be electrified, the electric heating ring preheats the product to be welded through electromagnetic induction, thereby reducing the hardness of the material, making the material soft, reducing the internal stress during welding, thereby improving the effect of ultrasonic welding, reducing the possibility of vibration cracking, and since a plurality of products to be welded can be placed on the bottom mold, the device can preheat a plurality of products to be welded simultaneously, after the ultrasonic welding head welds one group of products to be welded, the ultrasonic welding head can be driven by the hydraulic telescopic rod and the electric guide rail to butt joint with another group of products to be welded, thereby realizing the effect of continuous welding and guaranteeing the welding efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the support structure schematic diagram of the utility model;

[0018] Figure 3 It is the base structure schematic diagram of the utility model;

[0019] Figure 4 It is the bottom mold structure schematic diagram of the utility model.

[0020] In the diagram: 1. Bracket; 2. Electric guide rail; 3. Crossbeam; 4. Hydraulic telescopic rod; 5. Guide slide rod; 6. Ultrasonic welding head; 7. Base; 8. Mounting groove; 9. Heating coil; 10. Fixing bolt; 11. Bottom mold; 12. Limiting hole; 13. Handle; 14. Welding mold groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1-4 As shown, a welding device includes a support 1 and a base 7. The base 7 has an installation groove 8. A mold assembly for limiting and shaping the product is installed inside the installation groove 8. The mold assembly includes a bottom mold 11 that matches the shape of the installation groove 8. The shape of the bottom mold 11 fits into the internal shape of the installation groove 8. The installation groove 8 can limit the bottom mold 11. The bottom mold 11 has multiple sets of welding mold grooves 14 that match the ultrasonic welding head 6. The multiple sets of welding mold grooves 14 are arranged in a matrix on the upper surface of the bottom mold 11. In use, the product to be welded is placed in the welding mold grooves 14 in sequence.

[0023] The base 7 is equipped with a fixing component for fixing the bottom mold 11. The fixing component includes a fixing bolt 10 that is threadedly connected to the base 7. The bottom mold 11 has a limiting hole 12 on its side that mates with the fixing bolt 10. When installing the bottom mold 11, it can be directly placed inside the mounting groove 8, and then the fixing bolt 10 is rotated so that it extends into the limiting hole 12. The fixing bolt 10 and the limiting hole 12 limit the bottom mold 11. The bottom of the mounting groove 8 is equipped with multiple sets of heating coils 9 that mate with the welding mold groove 14. When a product to be welded is placed inside the welding mold groove 14, the heating coils 9 can be energized. The heating coils 9 preheat the product to be welded through electromagnetic induction, thereby reducing the hardness of the product material, making the material softer, reducing the internal stress during welding, and thus improving the effect of ultrasonic welding.

[0024] It is important to note that the product to be welded must be a metal product that can generate electromagnetic induction; otherwise, preheating of the product to be welded cannot be achieved.

[0025] The support 1 is provided with a transverse moving assembly, the transverse moving assembly comprises an electric guide rail 2 fixedly connected to the support 1, the electric guide rail 2 is provided with a cross beam 3 in a matching mode, the cross beam 3 is provided with a lifting assembly, the lifting assembly comprises a hydraulic telescopic rod 4 fixedly connected to the cross beam 3, the telescopic end of the hydraulic telescopic rod 4 is fixedly connected with an ultrasonic welding head 6 used for ultrasonic welding of products, and the welding die groove 14 can realize plastic welding operation on the products together with the ultrasonic welding head 6 during welding. The ultrasonic welding head 6 is driven to move transversely by the electric guide rail 2, so that the installation of the bottom die 11 is facilitated, and since a plurality of groups of products to be welded can be placed on the bottom die 11, when the ultrasonic welding head 6 welds one group of products to be welded, the ultrasonic welding head 6 can be driven by the hydraulic telescopic rod 4 and the electric guide rail 2 to be connected to another group of products to be welded, so that the effect of continuous welding is realized. The support 1 is fixedly connected with a guide sliding rod 5 in sliding cooperation with the hydraulic telescopic rod 4, when the ultrasonic welding head 6 is moved by the electric guide rail 2 or the ultrasonic welding head 6 is in high-frequency vibration, the guide sliding rod 5 can maintain the stability of the hydraulic telescopic rod 4, thereby maintaining the normal working state of the ultrasonic welding head 6.

[0026] The bottom die 11 is fixedly connected with a handle 13, during installation, the handle 13 facilitates the workers to carry and install the bottom die 11, thereby improving the dismounting efficiency of the bottom die 11.

[0027] In order to facilitate the personnel in the art to understand the embodiments of the present scheme, the working principle of the embodiments of the present scheme will be described in combination with specific application scenarios:

[0028] During installation of the bottom die 11, the workers can directly place the bottom die 11 in the installation groove 8, then rotate the fixing bolt 10, so that the fixing bolt 10 extends into the limiting hole 12, the bottom die 11 is limited by the fixing bolt 10 and the limiting hole 12, the welding die groove 14 is arranged on the upper surface of the bottom die 11 in a matrix mode, the products to be welded are placed in the welding die groove 14 in sequence, during welding, the welding die groove 14 can realize plastic welding operation on the products together with the ultrasonic welding head 6, the bottom die 11 is fixedly connected with the handle 13, the handle 13 facilitates the bottom die 11 to be carried and installed, thereby improving the dismounting efficiency;

[0029] When the products to be welded are placed inside the welding groove 14, the electric heating ring 9 can be powered on to preheat the products to be welded through electromagnetic induction, thereby reducing the hardness of the material, making the material soft, reducing the internal stress during welding, thereby improving the effect of ultrasonic welding, reducing the possibility of cracking, and moving the ultrasonic welding head 6 transversely through the electric guide rail 2 to facilitate the installation of the bottom mold 11. Since the bottom mold 11 can accommodate multiple groups of products to be welded, when the ultrasonic welding head 6 welds a group of products to be welded, the ultrasonic welding head 6 can be connected to another group of components to be welded through the hydraulic telescopic rod 4 and the electric guide rail 2, thereby achieving the effect of continuous welding and ensuring the welding efficiency.

[0030] The above describes one embodiment of the present application in detail, but the content described is only a preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the patent coverage of the present application.

Claims

1. A welding apparatus, comprising a support (1) and a base (7), characterized in that, The base (7) is equipped with a mold assembly for limiting and shaping the product. A preheating assembly is provided between the mold assembly and the base (7). A transverse assembly is provided on the bracket (1). A lifting assembly is provided on the transverse assembly. An ultrasonic welding head (6) for ultrasonic welding of the product is provided at the output end of the lifting assembly and cooperates with the mold assembly.

2. The welding apparatus according to claim 1, characterized in that, The base (7) has an installation groove (8), and the mold assembly is fitted inside the installation groove (8). Multiple sets of heating coils (9) that cooperate with the mold assembly are provided at the bottom of the installation groove (8).

3. The welding apparatus according to claim 1, characterized in that, The mold assembly includes a bottom mold (11) that matches the shape of the mounting groove (8). The bottom mold (11) has multiple sets of welding grooves (14) that match the ultrasonic welding head (6). The base (7) is provided with a fixing component for fixing the bottom mold (11).

4. The welding apparatus according to claim 3, characterized in that, The fixing component includes a fixing bolt (10) that is threadedly connected to the base (7), and the bottom mold (11) has a limiting hole (12) on its side that cooperates with the fixing bolt (10).

5. The welding apparatus according to claim 1, characterized in that, The lateral movement assembly includes an electric guide rail (2) fixedly connected to the bracket (1), and a crossbeam (3) is provided on the electric guide rail (2). The lifting assembly includes a hydraulic telescopic rod (4) fixedly connected to the crossbeam (3), and a guide slide rod (5) fixedly connected to the bracket (1) and slidingly engaged with the hydraulic telescopic rod (4).

6. The welding apparatus according to claim 3, characterized in that, A handle (13) is fixedly connected to the bottom mold (11).

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