Vacuum electron beam welding clamping tool

By setting up structures such as closed plates, sealing rings and rotary valves in the vacuum electron beam welding clamping tool, the problem of insufficient sealing of the vacuum box is solved, and the stability of the vacuum environment and welding accuracy are improved.

CN223146226UActive Publication Date: 2025-07-25EXCITING INTELLIGENT MFG (NANTONG) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422116348.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-07-25
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

During the vacuum electron beam welding process, the sealing of the vacuum box is insufficient, resulting in incomplete welding environment and affecting welding quality and efficiency.

Method used

A vacuum electron beam welding clamping tool is designed. By setting a closed circular plate and sealing ring on the front of the vacuum box, and setting structures such as pushing blocks and fixed rods on the inside of the sealing ring. Using the cooperation of the rotating valve and screw, the sealing ring is squeezed into the sealing groove to ensure the sealing of the vacuum box; at the same time, structures such as electric telescopic rods and ultrasonic sensors are used to adjust the material position and detect welding accuracy.

Benefits of technology

The complete sealing of the vacuum box is achieved, ensuring the vacuum state of the welding environment, improving welding quality and efficiency, and enhancing welding accuracy and reliability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223146226U_ABST
    Figure CN223146226U_ABST
Patent Text Reader

Abstract

The utility model discloses a vacuum electron beam welding and clamping tool which comprises a vacuum box, an electron beam welding machine is arranged in the middle of the top face of the vacuum box, a closed circular plate is arranged in the middle of the front face of the vacuum box, a sealing ring is arranged in the middle of the periphery of the closed circular plate, and a plurality of second pushing blocks are arranged on the inner side of the sealing ring. And the middle part of the inner side of the second pushing block is fixedly connected with a fixed rod. By arranging a rotary valve, a screw rod, a conical block, a first pushing block, a second pushing block, a fixing rod, a closed circular plate and a sealing ring, the closed circular plate is arranged on the front face of a vacuum box, the sealing ring is arranged in the circumferential direction of the closed circular plate, the second pushing block is arranged on the inner side of the sealing ring, the fixing rod is arranged on the inner side of the second pushing block, and the first pushing block is arranged on the inner side of the fixing rod; a conical block and a screw rod are arranged in a sealing circular plate, and a rotary valve is arranged on the screw rod, so that a sealing ring can enter a sealing groove, the sealing can be more thorough, and the problem of insufficient sealing of the box body cannot be generated.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of clamping workpieces, and particularly to a vacuum electron beam welding clamping workpiece. Background Art

[0002] Welding is a processing method that combines workpieces by heating, applying pressure, or both, with (or without) a filler material. Welding technology plays an extremely important role in modern industry and is widely used in many fields such as automobile manufacturing, aerospace, construction, shipbuilding, and electronic equipment. According to the principles and process characteristics of heating and combination during welding, welding can be divided into manual arc welding, gas shielded welding, laser welding, friction welding, cold pressure welding, flame brazing, furnace brazing, laser brazing, electron beam welding and laser welding, resistance welding. The choice of welding depends on factors such as material type, thickness, welding position, production efficiency, cost, and quality requirements. During the welding process, reasonable selection of welding methods and parameters is crucial for ensuring the performance and safety of the welded structure.

[0003] Vacuum electron beam welding is a technology that uses high-energy electron beams to perform welding in a vacuum. The electron beam is accelerated and focused in a vacuum environment and bombards the workpiece with an extremely high energy density, melting the material and forming a weld seam under the condition of removing gas contamination. This welding method has the advantages of high precision, deep weld penetration ability, low heat input, and small heat affected zone, and is suitable for welding various metals and alloys, especially refractory metals and reactive metals. Vacuum electron beam welding is a process of welding in a vacuum environment, so the key to welding is to ensure that the welding material is in a vacuum environment. Therefore, it is necessary to ensure its sealing integrity so that no air enters during the welding process. Content of the Utility Model

[0004] The purpose of the utility model is to provide a vacuum electron beam welding clamping workpiece. By providing a closed circular plate on the front of the vacuum chamber, a sealing ring is arranged around the closed circular plate, a second pushing block is arranged inside the sealing ring, a fixing rod is arranged inside the second pushing block, a first pushing block is arranged inside the fixing rod, a tapered block is arranged inside the closed circular plate, a screw rod is arranged on the tapered block, and a rotary valve is arranged on the screw rod. This function can squeeze the sealing ring so that the sealing ring enters the sealing groove, making the vacuum chamber more thoroughly closed and preventing the problem of insufficient sealing of the vacuum chamber body.

[0005] To achieve the above purpose, a vacuum electron beam welding clamping workpiece is provided, including a vacuum chamber. In the middle of the top surface of the vacuum chamber, an electron beam welder is provided. In the middle of the front of the vacuum chamber, a closed circular plate is provided. In the circumferential middle of the closed circular plate, a sealing ring is provided. Inside the sealing ring, a number of second pushing blocks are provided. In the middle of the inside of the second pushing block, a fixing rod is fixedly connected.

[0006] The other end of the fixed rod is fixedly connected with a first pushing block. A rotary valve is arranged on the front surface of the closed circular plate. The middle part of the back surface of the rotary valve is fixedly connected with a limiting block. The middle part of the back surface of the limiting block is fixedly connected with a screw rod. The screw rod is in threaded connection with the closed circular plate. The rear end of the screw rod is fixedly connected with a conical block. The conical block and the first pushing block are arranged corresponding to each other.

[0007] According to the described vacuum electron beam welding fixture, a limiting ring is inserted in the middle of the fixed rod, and the fixed rod penetrates through the limiting ring. The limiting ring is fixedly connected with the closed circular plate. This setting is used to limit the position of the fixed rod.

[0008] According to the described vacuum electron beam welding fixture, a fixed box is fixedly connected to the middle part of the right side of the vacuum chamber. A vacuum machine is arranged inside the fixed box. An exhaust port is arranged in the middle part of the right side of the fixed box. This setting is used to evacuate the vacuum chamber.

[0009] According to the described vacuum electron beam welding fixture, a plurality of electric telescopic rods are fixedly connected to the periphery of the bottom of the inner wall of the vacuum chamber. The other ends of the electric telescopic rods are all fixedly connected with push plates. This setting is used to adjust the position of the fixed welding material.

[0010] According to the described vacuum electron beam welding fixture, a reserved port is arranged in the middle part of the front surface of the vacuum chamber, and the reserved port penetrates through the vacuum chamber. The reserved port and the closed circular plate are arranged corresponding to each other.

[0011] According to the described vacuum electron beam welding fixture, a sealing groove is arranged in the circumferential direction of the reserved port. The sealing groove and the sealing ring are arranged corresponding to each other.

[0012] According to the described vacuum electron beam welding fixture, an ultrasonic sensor is arranged on the rear side of the inner wall of the vacuum chamber, and a camera is arranged above the ultrasonic sensor. This setting is used to ensure the accuracy of the welding position and observe the welding situation.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. By setting a rotary valve, a screw rod, a conical block, a first pushing block, a second pushing block, a fixed rod, a closed circular plate, and a sealing ring, by arranging a closed circular plate on the front surface of the vacuum chamber, arranging a sealing ring in the circumferential direction of the closed circular plate, arranging a second pushing block inside the sealing ring, arranging a fixed rod inside the second pushing block, arranging a first pushing block inside the fixed rod, arranging a conical block inside the closed circular plate, arranging a screw rod on the conical block, and arranging a rotary valve on the screw rod, this function can make the sealing ring enter the sealing groove by extruding the sealing ring, so that the vacuum chamber can be closed more thoroughly, and the problem of insufficient sealing of the vacuum chamber body will not occur.

[0015] 2. By setting an electric telescopic rod, a push plate, an ultrasonic sensor, a camera, and a vacuum machine, an electric telescopic rod is set inside the vacuum chamber, a push plate is set on the electric telescopic rod, an ultrasonic sensor is set inside the vacuum chamber, a camera is set above the ultrasonic sensor, and a vacuum machine is set on the right side of the vacuum chamber. This function can adjust and fix materials and assist in welding with an electron beam welder.

[0016] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0018] Figure 1 is a three-dimensional structure diagram of a vacuum electron beam welding clamping tooling of the present utility model;

[0019] Figure 2 is a three-dimensional structure diagram of a closed circular plate part of a vacuum electron beam welding clamping tooling of the present utility model;

[0020] Figure 3 is an internal three-dimensional structure diagram of a closed circular plate part of a vacuum electron beam welding clamping tooling of the present utility model;

[0021] Figure 4 is a top view sectional view of a vacuum chamber of a vacuum electron beam welding clamping tooling of the present utility model;

[0022] Figure 5 is a front view sectional view of a vacuum chamber and a fixing box of a vacuum electron beam welding clamping tooling of the present utility model.

[0023] In the figure: 1. Vacuum chamber; 2. Electron beam welder; 3. Fixing box; 4. Exhaust port; 5. Closed circular plate; 6. Sealing ring; 7. Limit block; 8. Rotary valve; 9. Screw; 10. Tapered block; 11. First push block; 12. Fixed rod; 13. Limit ring; 14. Second push block; 15. Electric telescopic rod; 16. Push plate; 17. Reserved port; 18. Sealing groove; 19. Camera; 20. Ultrasonic sensor; 21. Vacuum machine. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-5 Figures 1-5 , the present utility model provides a technical solution: a vacuum electron beam welding clamping tooling, including a vacuum chamber 1, in the middle of the top surface of the vacuum chamber 1 there is an electron beam welding machine 2, in the middle of the right side of the vacuum chamber 1 there is fixedly connected a fixed box 3, inside the fixed box 3 there is a vacuum machine 21, in the middle of the right side of the fixed box 3 there is an exhaust port 4, around the bottom of the inner wall of the vacuum chamber 1 there are fixedly connected several electric telescopic rods 15, the other ends of the electric telescopic rods 15 are all fixedly connected with a push plate 16, in the middle of the front surface of the vacuum chamber 1 there is a reserved opening 17, and the reserved opening 17 penetrates the vacuum chamber 1, the reserved opening 17 and a closed circular plate 5 are correspondingly arranged, around the reserved opening 17 there is a sealing groove 18, the sealing groove 18 and a sealing ring 6 are correspondingly arranged, at the rear side of the inner wall of the vacuum chamber 1 there is an ultrasonic sensor 20, above the ultrasonic sensor 20 there is a camera 19.

[0026] In the middle of the front surface of the vacuum chamber 1 there is a closed circular plate 5, in the middle of the circumference of the closed circular plate 5 there is a sealing ring 6, inside the sealing ring 6 there are several second pushing blocks 14, in the middle of the inner side of the second pushing blocks 14 there is fixedly connected a fixing rod 12, the other end of the fixing rod 12 is fixedly connected with a first pushing block 11, on the front surface of the closed circular plate 5 there is a rotary valve 8, in the middle of the back surface of the rotary valve 8 there is fixedly connected a limiting block 7, in the middle of the back surface of the limiting block 7 there is fixedly connected a screw rod 9, the screw rod 9 is used to drive a conical block 10 to move, the screw rod 9 is in threaded connection with the closed circular plate 5, the rear end of the screw rod 9 is fixedly connected with a conical block 10, the conical block 10 and the first pushing block 11 are correspondingly arranged, in the middle of the fixing rod 12 there is inserted a limiting ring 13, and the fixing rod 12 penetrates the limiting ring 13, the limiting ring 13 and the closed circular plate 5 are fixedly connected.

[0027] Working principle: When in use, place the material to be welded inside the vacuum chamber 1 through the reserved opening 17, then place the closed circular plate 5 in the reserved opening 17, by rotating the rotary valve 8, make the screw rod 9 drive the conical block 10 to pull back, extrude the first pushing block 11, make it expand outwards, drive the fixing rod 12 to push the second pushing blocks 14 to expand outwards, make it push the sealing ring 6 to be clamped inside the sealing groove 18, complete the sealing of the vacuum chamber 1, then control the electric telescopic rods 15 to drive the push plate 16 to adjust the position of the fixed welding material, and detect the position accuracy through the ultrasonic sensor 20, pump out the air inside the vacuum chamber 1 through the vacuum machine 21 arranged inside the fixed box 3 to make it in a vacuum state, then weld the material through the electron beam welding machine 2, observe the welding situation through the camera 9, after the welding is completed, rotate the rotary valve 8, take out the closed circular plate 5, take out the material, and thus the work is completed.

[0028] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the relevant art.

Claims

1. A vacuum electron beam welding fixture tooling, comprising a vacuum chamber (1), characterized in that, In the middle of the top surface of the vacuum chamber (1), an electron beam welder (2) is provided. In the middle of the front surface of the vacuum chamber (1), a closed circular plate (5) is provided. In the middle of the circumferential direction of the closed circular plate (5), a sealing ring (6) is provided. Inside the sealing ring (6), a number of second pushing blocks (14) are provided. In the middle of the inner side of the second pushing block (14), a fixing rod (12) is fixedly connected. The other end of the fixing rod (12) is fixedly connected with a first pushing block (11). On the front surface of the closed circular plate (5), a rotary valve (8) is provided. In the middle of the back surface of the rotary valve (8), a limiting block (7) is fixedly connected. In the middle of the back surface of the limiting block (7), a screw rod (9) is fixedly connected. The screw rod (9) is threadedly connected to the closed circular plate (5). The rear end of the screw rod (9) is fixedly connected with a conical block (10). The conical block (10) and the first pushing block (11) are arranged corresponding to each other.

2. The clamping tooling for vacuum electron beam welding according to claim 1, wherein: A limiting ring (13) is inserted in the middle of the fixing rod (12), and the fixing rod (12) penetrates through the limiting ring (13). The limiting ring (13) is fixedly connected with the closed circular plate (5).

3. The clamping tooling for vacuum electron beam welding according to claim 1, wherein: In the middle of the right side of the vacuum chamber (1), a fixing box (3) is fixedly connected. Inside the fixing box (3), a vacuum machine (21) is provided. On the middle of the right side of the fixing box (3), an exhaust port (4) is provided.

4. The clamping tooling for vacuum electron beam welding according to claim 1, wherein: Around the bottom of the inner wall of the vacuum chamber (1), a number of electric telescopic rods (15) are fixedly connected. The other ends of the electric telescopic rods (15) are all fixedly connected with a push plate (16).

5. The clamping tooling for vacuum electron beam welding according to claim 1, wherein: In the middle of the front surface of the vacuum chamber (1), a reserved opening (17) is provided, and the reserved opening (17) penetrates through the vacuum chamber (1). The reserved opening (17) and the closed circular plate (5) are arranged corresponding to each other.

6. The clamping tooling for vacuum electron beam welding according to claim 5, wherein: A sealing groove (18) is provided in the circumferential direction of the reserved opening (17). The sealing groove (18) and the sealing ring (6) are arranged corresponding to each other.

7. The clamping tooling for vacuum electron beam welding according to claim 1, characterized in that: On the rear side of the inner wall of the vacuum chamber (1), an ultrasonic sensor (20) is provided. Above the ultrasonic sensor (20), a camera (19) is provided.