Alloy friction welding machine with follow-up pressure maintaining structure

Abstract

The utility model discloses an alloy friction welding machine with a follow-up pressure maintaining structure. The alloy friction welding machine comprises a box body, and a welding mechanism drives a second clamping hole shell to rotate through a motor to conduct friction welding on the alloy connecting position. According to the alloy friction welding machine with the follow-up pressure maintaining structure, two to-be-welded alloy parts are placed in a first clamping hole shell and a second clamping hole shell correspondingly, then an air pipe of an air pump is connected into a trackless air cylinder, a connector and a second straight-through air cylinder, the air pump is started, under the pressurization effect of the air pump, a first base and a second base start to move, and the follow-up pressure maintaining structure is formed; according to the friction welding mechanism, the first clamping hole shell and the second clamping hole shell are arranged, so that one ends of the two to-be-welded alloy parts fastened in the first clamping hole shell and the second clamping hole shell are attached together, one ends of the to-be-welded alloy parts are softened due to high-speed rotation and are connected together, friction welding is completed, the to-be-welded alloy parts are conveniently fixed, and the friction welding efficiency is improved. And by matching with the pressure maintaining mechanism, the appearance quality of welding and the stability of connection are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of friction welding, in particular to an alloy friction welding machine with a follow-up pressure maintaining structure. Background Technique

[0002] A friction welding machine refers to a device that generates heat energy during rotation and then applies appropriate pressure to complete welding. According to different energy input methods, friction welding machines are divided into two types: continuous drive type and inertial type. The former consists of a fixture, a transmission mechanism, a pressurizing mechanism, a braking device, and a control device, while the latter consists of a fixture, a transmission mechanism, a flywheel, a pressurizing mechanism, and a control device;

[0003] During the friction welding process, due to the softening at the welding joint during welding, welding offset will occur, and a large amount of welding slag will be generated after welding. Content of the Utility Model

[0004] The purpose of the utility model is to provide an alloy friction welding machine with a follow-up pressure maintaining structure to solve the problem of welding offset mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions, including: a box body, one side surface of the box body is fixedly connected with an air pump, the inner wall surface of the lower end of the box body is fixedly connected with a trackless cylinder, a door body is rotatably connected to the surface of the box body, an exhaust port is arranged on the upper surface of the box body, and a welding mechanism is arranged inside the box body. The welding mechanism drives the clamping hole housing II to rotate through a motor to friction-weld the alloy connection.

[0006] Preferably, the welding mechanism includes: a base I is fixedly connected to the sliding component of the trackless cylinder, a clamping hole housing I is fixedly connected to the upper surface of the base I, a positioning nut I is threadedly connected to the upper surface of the clamping hole housing I, a base II is fixedly connected to the sliding component of the trackless cylinder, a support plate is fixedly connected to the upper surface of the base II, a motor is fixedly installed on the surface of the support plate, a clamping hole housing II is fixedly connected to one end of the output shaft of the motor, and a positioning nut II is threadedly connected to the upper surface of the clamping hole housing II.

[0007] Adopting the above technical solution, the welding mechanism solves the problem of positioning welding of alloy components.

[0008] Preferably, a pressure maintaining mechanism is provided on the upper end surface of the trackless cylinder. The pressure maintaining mechanism includes: a slide rail is fixedly connected to the upper end surface of the trackless cylinder, a slider is slidably connected to the surface of the slide rail, a direct-through cylinder one is fixedly connected to the upper end surface of the slider, a joint is fixedly connected to one side surface of the direct-through cylinder one, a rotating frame is fixedly connected to one end surface of the piston rod of the direct-through cylinder one, a support column is fixedly connected to the surface of the rotating frame, a connecting plate is fixedly connected to the surface of the support column, a direct-through cylinder two is fixedly connected to the surface of the connecting plate, and a polishing pad is fixedly connected to one end surface of the piston rod of the direct-through cylinder two.

[0009] With the above technical solution, the pressure maintaining mechanism solves the problem of deviation during friction welding.

[0010] Preferably, a threaded hole is provided on the upper end surface of the clamping hole housing one, a threaded hole is provided on the upper end surface of the clamping hole housing two, one end of the output shaft of the motor penetrates through the surface of the support plate, and the heights of the centers of the clamping hole housing one and the clamping hole housing two are the same.

[0011] With the above technical solution, a structural basis is provided for the welding mechanism.

[0012] Preferably, a limiting block is fixedly connected to one end surface of each of the positioning nut one and the positioning nut two, and a wavy pattern is provided on the surface of the limiting blocks of the positioning nut one and the positioning nut two.

[0013] With the above technical solution, it is convenient for positioning and the firmness of positioning.

[0014] Preferably, a rotating shaft is rotatably provided on the surface of the rotating frame, and the two rotating frames are symmetrically arranged with the center of the trackless cylinder as the axis of symmetry.

[0015] With the above technical solution, a structural basis is provided for the pressure maintaining mechanism.

[0016] Preferably, one end of the direct-through cylinder two penetrates through the surface of the connecting plate, and the polishing pad is arranged above the rotating shaft of the rotating frame.

[0017] With the above technical solution, the appearance quality of the welding and the firmness of the connection are ensured.

[0018] Compared with the prior art, the beneficial effects of the present utility model are: the alloy friction welding machine provided with a follow-up pressure maintaining structure:

[0019] 1. The welding mechanism solves the problem of positioning welding of alloy components. Place the two alloy components to be welded in the clamping hole housing one and the clamping hole housing two respectively, and tighten the positioning nuts one and two on the surfaces of the clamping hole housing one and the clamping hole housing two. The limiting blocks on one end surfaces of the positioning nuts one and two fasten the two alloy components to be welded. Subsequently, connect the air pipe of the air pump to the trackless cylinder, the joint and the straight-through cylinder two. Start the air pump. Under the pressurization of the air pump, the base one and the base two start to move, making one end of the two alloy components fastened in the clamping hole housing one and the clamping hole housing two fit together. At this time, start the motor. The output shaft of the motor drives the clamping hole housing two to rotate. During the rotation of the clamping hole housing two, one end of the two alloy components to be welded generates high temperature and softens due to high-speed rotation and is connected together, thus completing friction welding. This mechanism facilitates the fixation of the alloy components to be welded and, in cooperation with the pressure maintaining mechanism, ensures the appearance quality of welding and the stability of connection.

[0020] 2. The pressure maintaining mechanism solves the problem of deviation during friction welding. Before welding, adjust the position of the slider below the connection of the alloy components to be welded. Place the two alloy components to be welded between the rotating frame and the polishing pad. After one end of the two alloy components to be welded is fastened, due to the action of the air pump, the straight-through cylinder one lifts the rotating frame. The rotating shaft of the rotating frame in rotational setting fits with the surface of the alloy component to be welded. The straight-through cylinder two presses the polishing pad downward to fit with the connection of the alloy components to be welded. During the process of friction welding, the rotating shaft of the rotating frame in rotational setting provides a supporting force for the connection of friction welding under the action of the straight-through cylinder one and plays a positioning role to prevent deviation during friction welding. The polishing pad removes the welding slag and uneven surfaces generated during welding, making the appearance quality of welding beautiful. Description of the Drawings

[0021] Figure 1 It is a front cross-sectional structure schematic diagram of the connection between the support plate and the motor of the present utility model;

[0022] Figure 2 It is a top cross-sectional structure schematic diagram of the connection between the straight-through cylinder two and the connecting plate of the present utility model;

[0023] Figure 3 It is a three-dimensional structure schematic diagram of the connection between the box body and the air pump of the present utility model;

[0024] Figure 4 It is a three-dimensional structure schematic diagram of the connection between the box body and the door body of the present utility model;

[0025] Figure 5 It is a three-dimensional structure schematic diagram of the connection between the box body and the exhaust port of the present utility model.

[0026] In the figure: 1. Box body; 2. Air pump; 3. Trackless cylinder; 4. Base one; 5. Clamping hole housing one; 6. Positioning nut one; 7. Base two; 8. Support plate; 9. Motor; 10. Clamping hole housing two; 11. Positioning nut two; 12. Slide rail; 13. Slide block; 14. Straight-through cylinder one; 15. Connector; 16. Rotating frame; 17. Support column; 18. Polishing pad; 19. Straight-through cylinder two; 20. Connecting plate; 21. Door body; 22. Exhaust port. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-5, the present utility model provides a technical solution: an alloy friction welding machine with a follow-up pressure maintaining structure, including: a box body 1, a gas pump 2 is fixedly connected to one side surface of the box body 1, a trackless cylinder 3 is fixedly connected to the inner wall surface of the lower end of the box body 1, a door body 21 is rotatably connected to the surface of the box body 1, an exhaust port 22 is provided on the upper surface of the box body 1, a welding mechanism is provided inside the box body 1, and the welding mechanism drives the clamping hole housing two 10 to rotate through a motor 9 to friction-weld the alloy connection part. Among them, the welding mechanism includes: a base one 4 is fixedly connected to the sliding component surface of the trackless cylinder 3, a clamping hole housing one 5 is fixedly connected to the upper surface of the base one 4, a positioning nut one 6 is threadedly connected to the upper surface of the clamping hole housing one 5, a base two 7 is fixedly connected to the sliding component surface of the trackless cylinder 3, a support plate 8 is fixedly connected to the upper surface of the base two 7, a motor 9 is fixedly installed on the surface of the support plate 8, one end of the output shaft of the motor 9 is fixedly connected to the clamping hole housing two 10, a positioning nut two 11 is threadedly connected to the upper surface of the clamping hole housing two 10, a threaded hole is provided on the upper surface of the clamping hole housing one 5, a threaded hole is provided on the upper surface of the clamping hole housing two 10, one end of the output shaft of the motor 9 penetrates through the surface of the support plate 8, the central heights of the clamping hole housing one 5 and the clamping hole housing two 10 are the same, limiting blocks are fixedly connected to one end surfaces of the positioning nut one 6 and the positioning nut two 11, and wavy patterns are provided on the limiting block surfaces of the positioning nut one 6 and the positioning nut two 11. Open the door body 21, place the two alloy parts to be welded in the clamping hole housing one 5 and the clamping hole housing two 10 respectively, and tighten the positioning nut one 6 and the positioning nut two 11 on the surfaces of the clamping hole housing one 5 and the clamping hole housing two 10. The limiting blocks at one end surfaces of the positioning nut one 6 and the positioning nut two 11 fasten the two alloy parts to be welded. Subsequently, connect the air pipe of the gas pump 2 to the trackless cylinder 3, the joint 15 and the direct-through cylinder two 19. Start the gas pump 2. Under the pressurization of the gas pump 2, the base one 4 and the base two 7 start to move, so that one ends of the two alloy parts to be welded fastened in the clamping hole housing one 5 and the clamping hole housing two 10 are attached together. At this time, start the motor 9, and the output shaft of the motor 9 drives the clamping hole housing two 10 to rotate. During the rotation of the clamping hole housing two 10, one ends of the two alloy parts to be welded are softened by high temperature due to high-speed rotation and connected together, thus completing friction welding. The gas generated during welding is discharged from the exhaust port 22.

[0029] The upper surface of the trackless cylinder 3 is provided with a pressure maintaining mechanism, where the pressure maintaining mechanism includes: a slide rail 12 is fixedly connected to the upper surface of the trackless cylinder 3, a slider 13 is slidably connected to the surface of the slide rail 12, a direct-through cylinder one 14 is fixedly connected to the upper surface of the slider 13, a joint 15 is fixedly connected to one side surface of the direct-through cylinder one 14, a rotating frame 16 is fixedly connected to one end surface of the piston rod of the direct-through cylinder one 14, a support column 17 is fixedly connected to the surface of the rotating frame 16, a connecting plate 20 is fixedly connected to the surface of the support column 17, a direct-through cylinder two 19 is fixedly connected to the surface of the connecting plate 20, a polishing pad 18 is fixedly connected to one end surface of the piston rod of the direct-through cylinder two 19, a rotating shaft is rotatably arranged on the surface of the rotating frame 16, and two rotating frames 16 are symmetrically arranged with the center of the trackless cylinder 3 as the axis of symmetry. One end of the direct-through cylinder two 19 penetrates through the surface of the connecting plate 20, and the polishing pad 18 is arranged above the rotating shaft of the rotating frame 16. Before welding, the position of the slider 13 is adjusted below the joint of the alloy components to be welded. The two alloy components to be welded are placed between the rotating frame 16 and the polishing pad 18. After one end of the two alloy components to be welded is fastened, due to the action of the air pump 2, the direct-through cylinder one 14 lifts the rotating frame 16, and the rotating shaft rotatably arranged on the rotating frame 16 fits with the surface of the alloy component to be welded. The direct-through cylinder two 19 presses the polishing pad 18 downward to fit with the joint of the alloy component to be welded. During the friction welding process, the rotating shaft rotatably arranged on the rotating frame 16 provides a supporting force for the joint of the friction welding under the action of the direct-through cylinder one 14 and plays a positioning role to prevent deviation during friction welding. The polishing pad 18 removes the welding slag and uneven surface generated during welding during the welding process.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An alloy friction welding machine provided with a follow-up pressure maintaining structure, comprising: A box body (1), a side surface of the box body (1) is fixedly connected to an air pump (2), a lower inner wall surface of the box body (1) is fixedly connected to a trackless cylinder (3), a surface of the box body (1) is rotatably connected to a door body (21), and an upper surface of the box body (1) is provided with an exhaust port (22), characterized in that: a welding mechanism is provided inside the box body (1), the welding mechanism drives a clamping hole shell (10) to rotate through a motor (9) to friction weld the alloy connection, and a pressure maintaining mechanism is provided on the upper surface of the trackless cylinder (3), wherein the pressure maintaining mechanism comprises: a slide rail (12) is fixedly connected to the upper surface of the trackless cylinder (3), a slider (13) is slidably connected to the surface of the slide rail (12), and the The upper end surface of the slider (13) is fixedly connected to a straight-through cylinder (14), a side surface of the straight-through cylinder (14) is fixedly connected to a joint (15), one end surface of the piston rod of the straight-through cylinder (14) is fixedly connected to a rotating frame (16), the surface of the rotating frame (16) is fixedly connected to a support column (17), the surface of the support column (17) is fixedly connected to a connecting plate (20), the surface of the connecting plate (20) is fixedly connected to a straight-through cylinder (19), one end surface of the piston rod of the straight-through cylinder (19) is fixedly connected to a polishing pad (18), a rotating shaft is rotatably provided on the surface of the rotating frame (16), and the two rotating frames (16) are symmetrically arranged with the center of the trackless cylinder (3) as the axis.

2. The alloy friction welding machine with a follow-up pressure maintaining structure according to claim 1, characterized in that: The welding mechanism comprises: a base 1 (4) is fixedly connected to the surface of the sliding component of the trackless cylinder (3); a clamping hole shell 1 (5) is fixedly connected to the upper end surface of the base 1 (4); a positioning nut 1 (6) is threadedly connected to the upper end surface of the clamping hole shell 1 (5); a base 2 (7) is fixedly connected to the surface of the sliding component of the trackless cylinder (3); a support plate (8) is fixedly connected to the upper end surface of the base 2 (7); a motor (9) is fixedly installed on the surface of the support plate (8); one end of the output shaft of the motor (9) is fixedly connected to a clamping hole shell 2 (10); and a positioning nut 2 (11) is threadedly connected to the upper end surface of the clamping hole shell 2 (10).

3. The alloy friction welding machine with a follow-up pressure maintaining structure according to claim 2, characterized in that: The upper end surface of the clamping hole shell one (5) is provided with a threaded hole, and the upper end surface of the clamping hole shell two (10) is provided with a threaded hole. One end of the output shaft of the motor (9) passes through the surface of the support plate (8), and the center heights of the clamping hole shell one (5) and the clamping hole shell two (10) are consistent.

4. The alloy friction welding machine with a follow-up pressure maintaining structure according to claim 2, characterized in that: One end surface of the positioning nut 1 (6) and the positioning nut 2 (11) are both fixedly connected to a limiting block, and the surfaces of the limiting blocks of the positioning nut 1 (6) and the positioning nut 2 (11) are provided with wavy patterns.

5. The alloy friction welding machine with a follow-up pressure maintaining structure according to claim 1, characterized in that: One end of the second straight-through cylinder (19) is arranged to penetrate the surface of the connecting plate (20), and the polishing pad (18) is arranged above the rotating shaft of the rotating frame (16).

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