Double-head welding gun

Abstract

The utility model discloses a double-headed welding gun, which belongs to the technical field of plastic welding equipment and comprises a pneumatic variable-amplitude sliding table, an adapter and a vortex tube, an air supply distribution system is arranged at the top of the pneumatic variable-amplitude sliding table, and a fixed shaft is mounted at the bottom of the pneumatic variable-amplitude sliding table, so that the pneumatic variable-amplitude sliding table can rotate along the axis of the fixed shaft. When the pneumatic quick-change disc is used, after compressed air flows into the pneumatic quick-change disc, the pneumatic quick-change disc is driven to be automatically locked, and the adapter is directly fixed on the quick-change disc. The quick-change discs are arranged at the two ends of the pneumatic variable-amplitude sliding table and used for fixing the adapting base so that welding heads of different types can be replaced through the adapting base, the vortex tube is installed on the side portion of the adapting base and connected with the air pump through the air supply distribution system, and therefore compressed air flow can be released from the end portion of the vortex tube. And after welding is completed, compressed airflow is released by the vortex tube to cool the temperature of a welding spot, so that the pressure-maintaining cooling time is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic welding equipment, specifically relates to a double -end welding torch. BACKGROUND

[0002] There are many kinds of welding equipment used in industrial production, and ultrasonic welding is one of them. Its principle is to convert high-frequency current into mechanical energy of the same frequency through an intelligent electric box, so that friction is generated on the surface of the workpiece and between the molecules, and then the temperature of the interface is raised. When the temperature reaches the melting point of the workpiece itself, the workpiece interface melts rapidly, and then fills the gap between the interfaces. When the vibration stops, the workpiece is cooled and shaped under certain pressure, and the welding purpose is achieved.

[0003] At present, ultrasonic welding is mainly completed by ultrasonic welding machines, but the ultrasonic welding machine needs to replace the welding torch for different types of workpiece interfaces, which often needs to be switched to the welding torch library twice, which greatly affects the welding efficiency.

[0004] Therefore, the applicant proposes a new technical solution, which installs two different welding torches and quickly switches them to improve welding efficiency. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model provides a double -end welding torch to solve the problem of low welding efficiency caused by multiple switching of the welding torch of the ultrasonic welding machine in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model discloses a double -end welding torch, which comprises:

[0008] The pneumatic amplitude slide table is provided with a gas distribution system at the top and a fixed shaft at the bottom.

[0009] The adapter seat is provided with an eddy current pipe on the side, and is suitable for being installed on any one of the quick change discs.

[0010] The adapter seat is provided with a welding torch on the top, and the adapter seat is connected with the intelligent electric box circuit.

[0011] Further, the welding torch is connected with the intelligent electric box circuit through the adapter seat.

[0012] Further, the pneumatic amplitude slide table comprises:

[0013] The mounting table is provided with a pair of vertical plates at both ends, and the quick change discs are installed on the vertical plates.

[0014] The cylinder is externally provided with a guide slide, a guide is slidably arranged on the guide slide, the inner side of the guide is connected with a piston rod of the cylinder, a cylinder body of the cylinder is fixedly screwed with a vertical plate, and the other vertical plate is fixedly screwed with the outer side of the guide.

[0015] Further, the welding gun is internally provided with a gas guide channel.

[0016] Further, the quick-change disc is a pneumatic quick-change disc.

[0017] Further, the gas supply distribution system comprises an air inlet, an air outlet and an electromagnetic valve, the air inlet is communicated with the electromagnetic valve, and the electromagnetic valve is adapted to be communicated with one of the quick-change disc, the gas guide channel, the cylinder and the vortex tube.

[0018] The utility model has the advantages of:

[0019] The double-head welding gun is applied to the ultrasonic welding machine, the interfaces of the workpieces can be welded through the two symmetrically arranged welding guns, when one quick-change disc is welded by the welding gun, the other welding gun quick-change disc can be used for switching other models of welding guns, so that the two welding guns can be quickly switched when welding the workpieces, and the robot does not need to replace the welding guns for multiple times, and the problem of low welding efficiency caused by multiple switching of the welding guns of the ultrasonic welding machine in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creating creative labor.

[0021] The structures, proportions, sizes and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the implementation of the utility model, so they do not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be produced by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0022] Figure 1 The double-head welding gun provided by the utility model;

[0023] Figure 2 The pneumatic variable-amplitude sliding table provided by the utility model;

[0024] Figure 3 The perspective view of the welding gun is provided in the utility model;

[0025] Figure 4 The perspective view of the gas supply distribution system is provided in the utility model;

[0026] In the figure: 1 pneumatic amplitude slide table; 11 mounting table; 12 guide; 13 air cylinder; 14 vertical plate; 2 fixed shaft; 3 adapter seat; 4 quick change disc; 5 welding gun; 6 vortex tube; 7 gas supply distribution system; 71 air inlet; 72 air outlet; 73 electromagnetic valve; 8 gas guide channel. DETAILED DESCRIPTION

[0027] The embodiments of the utility model will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Please refer to Figures 1-4 The utility model discloses a double -end welding torch can realize the quick change of ultrasonic wave robot workstation at various types of welding spot, saves manual and time cost, and the production efficiency of factory is improved obviously. The following will be with the mode of specific embodiment, the technical scheme is explained.

[0029] In the utility model discloses one specific embodiment, double -end welding torch including pneumatic amplitude slide table 1, adapter seat 3 and vortex tube 6, wherein, pneumatic amplitude slide table 1 top is provided with gas distribution system 7, and pneumatic amplitude slide table 1 bottom is installed with fixed shaft 2, thereby making pneumatic amplitude slide table 1 can rotate along the axis of fixed shaft 2. In the embodiment, pneumatic amplitude slide table 1 both ends are provided with a pair of quick change disc 4, and the quick change disc 4 is pneumatic quick change disc, when the compressed air flow is passed into the pneumatic quick change disc, the pneumatic quick change disc can be automatically locked, and the adapter seat 3 is directly fixed on the quick change disc 4. And adapter seat 3 has multiple models, thereby in order to replace different types of welding head.

[0030] In the embodiment, the side of adapter seat 3 is installed with vortex tube 6, and vortex tube 6 is connected with air pump through gas distribution system 7, so that the compressed air flow can be released from the end of vortex tube 6, and cold air can be blown by vortex tube to cool the welding point temperature after welding, so as to reduce the holding cooling time.

[0031] In some embodiments, the side of the adapter 3 is mounted with a vortex tube 6, and the adapter 3 is adapted to be mounted on any one of the quick-change disc 4, wherein the adapter 3 is mounted with the welding gun 5, and the adapter 3 is connected with the intelligent electric box circuit, the intelligent electric box is adapted to send high-frequency current, and the high-frequency current is converted into mechanical energy of the same frequency through the adapter 3, and in the embodiment, the piezoelectric ceramic material is mounted in the adapter 3, and the vibration load is transmitted to the plastic welding part through the welding gun 5 when the current of a certain frequency is turned on.

[0032] Optionally, on the basis of the structure, the welding gun 5 is connected with the intelligent electric box circuit through the adapter 3, so that part of the current passes through the welding gun 5 to generate resistance heat, and the resistance heat is used for welding the plastic welding part, and the welding part is welded by combining the vibration load, which can effectively improve the welding depth and realize welding of other materials.

[0033] In some embodiments, the pneumatic amplitude-variable sliding table 1 comprises a mounting table 11 and a pneumatic cylinder 13, wherein a pair of vertical plates 14 are arranged at both ends of the mounting table 11, and the vertical plates 14 are used for mounting the quick-change disc 4. On the other hand, the pneumatic cylinder 13 is externally provided with a guide slide, and a guide piece 12 is slidingly arranged, and the inner side of the guide piece 12 is connected with the piston rod of the pneumatic cylinder 13, so as to reduce the wear of the pneumatic cylinder 13, and the structure of the pneumatic amplitude-variable sliding table 1 is more compact. In use, the pneumatic cylinder 13 extends to drive one quick-change disc 4 to approach the welding gun library to mount the welding gun, and the other quick-change disc 4 is welded by the welding gun, compared with the prior art, the technical scheme can realize the alternate use of two welding guns, thereby significantly improving the welding efficiency.

[0034] In some embodiments, the gas supply distribution system 7 comprises an air inlet 71, an air outlet 72 and a solenoid valve 73, the air inlet 71 is communicated with the solenoid valve 73, the solenoid valve 73 is adapted to be communicated with one of the quick-change disc 4, the gas guide channel 8, the pneumatic cylinder 13 and the vortex tube 6, and further, the gas guide channel 8 is arranged in the welding gun 5, so that the compressed gas flow can be injected into the gas guide channel 8 to avoid the softening of the welding gun 5 due to high temperature.

[0035] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of protection required by the utility model.

Claims

1. A double head welding torch characterized by, The utility model relates to a welding gun (5) and a pneumatic variable-amplitude sliding table (1), and relates to the technical field of welding. The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises:

2. The double-head welding gun of claim 1, wherein The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3).

3. The double ended welding torch of claim 1, wherein, The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises:

4. The double-head welding gun of claim 3, wherein The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3).

5. The double ended welding torch of claim 1, wherein, The pneumatic variable-amplitude sliding table (1) comprises:

6. The double ended welding torch of claim 4, wherein, The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (3). The pneumatic variable-amplitude sliding table (1) comprises: The welding gun (5) is connected with the intelligent electric box circuit through the adapter seat (

Images