Semi-automatic argon arc welding machine for titanium alloy chain

Abstract

The utility model relates to the technical field of titanium alloy chain welding, in particular to a semi-automatic argon arc welding machine for a titanium alloy chain, which comprises a moving pair, a chain adjusting device, a welding device and the titanium alloy chain, the bottom end of the moving pair is fixedly mounted on the ground, and two output ends are arranged at the top end of the moving pair. Two chain adjusting devices used for clamping a titanium alloy chain and driving the titanium alloy chain to rotate are symmetrically and fixedly installed at the two output ends of the ball screw pair, and a welding device used for welding a chain ring seam in the titanium alloy chain is arranged between the two chain adjusting devices. According to the titanium alloy chain welding device, the titanium alloy chain can be well welded, the defect of equipment for welding the titanium alloy chain in the prior art is overcome, and the limitation of large-scale application and popularization of the titanium alloy chain in the field of certain heavy equipment can be relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to titanium alloy chain's welding technical field especially relates to a kind of for titanium alloy chain's semi-automatic argon arc welding machine. BACKGROUND

[0002] In the complex system of modern industrial production, chain as extremely key transmission and conveying component, its application range extends widely to mechanical manufacturing, automobile industry, mining equipment and logistics conveying and many other fields. In some specific special application scenarios, such as the operation system of large ship and the operating device of large crane, there are extremely strict requirements for chain strength. In order to meet this high strength demand, the traditional carbon steel chain has to increase its manufacturing width, but this measure inevitably leads to the significant increase of chain weight. This large-size chain needs higher requirements in chain manufacturing link, material handling, implementation of processing technology and subsequent transportation process, including loading and unloading, transportation tool and transportation cost control.

[0003] Titanium alloy chain, with its excellent physical properties, such as high strength and excellent corrosion resistance, can more ideally adapt to the above-mentioned special application scenarios. In the welding process of titanium alloy chain, taking TC4 titanium alloy as an example, compared with the flash butt welding process commonly used in traditional chain, argon arc welding has obvious advantages in welding strength. However, there are few devices for welding titanium alloy chain by argon arc welding. The lack of such equipment limits the large-scale application and promotion of titanium alloy chain in some heavy equipment fields to a great extent. In order to meet the demand of some heavy equipment for titanium alloy chain, it is very important to design a semi-automatic argon arc welding machine specially used for titanium alloy chain. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of semi-automatic argon arc welding machine for titanium alloy chain to solve the technical problems existing in the above-mentioned background art.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A kind of semi-automatic argon arc welding machine for titanium alloy chain, comprising: moving pair, chain adjusting device, welding device and titanium alloy chain, the moving pair bottom end is fixedly installed on ground, the moving pair top end is equipped with two output ends, two chain adjusting devices for clamping titanium alloy chain and driving titanium alloy chain rotation are symmetrically fixedly installed on the two output ends of the moving pair, welding device for welding the joint of chain ring in titanium alloy chain is arranged between two chain adjusting devices.

[0007] Further, the moving pair comprises: a displacement platform, horizontal sliders, screw rods and servo motors, two horizontal sliding grooves are symmetrically arranged on the top of the displacement platform, two horizontal sliders, screw rods and servo motors are arranged, two horizontal sliders are horizontally and slidingly connected in the two horizontal sliding grooves respectively, two screw rods are respectively threaded to the two horizontal sliders, and the opposite outer ends of the two screw rods are fixedly connected with the output ends of the two servo motors.

[0008] Further, the moving pair further comprises: bearings, four bearings are arranged, the opposite outer ends of the two screw rods are respectively penetrated through and rotationally connected with the left and right ends of the displacement platform, and the two screw rods are rotationally installed on the left and right sides of the displacement platform through the four bearings.

[0009] Further, the chain adjusting device comprises: an L-shaped support, a hollow rotating platform and a pneumatic circular chuck, the bottom end of the L-shaped support is fixedly connected with the top end of the corresponding horizontal slider, the upper inner side of the L-shaped support is fixedly installed with the hollow rotating platform, the output end of the hollow rotating platform is coaxially fixedly installed with the pneumatic circular chuck, a perforation one is arranged on the upper portion of the L-shaped support, a perforation two is arranged in the hollow rotating platform, the perforation one and the perforation two are coaxially arranged and have the same size, a cross-shaped perforation is arranged on the pneumatic circular chuck and matched with the chain link of the titanium alloy chain, the titanium alloy chain is horizontally and movably penetrated through the perforation one and the perforation two, and the titanium alloy chain is horizontally and slidingly penetrated through the cross-shaped perforation.

[0010] Further, the hollow rotating platform can drive the pneumatic circular chuck to rotate axially, the pneumatic circular chuck is provided with a pneumatic clamping mechanism, and the pneumatic clamping mechanism is used for clamping or loosening the titanium alloy chain in the horizontal direction and the vertical direction.

[0011] Further, the titanium alloy chain has one side of the chain link joint horizontally and slidingly connected with the lower end of the cross-shaped perforation, and the horizontal axis of the one side of the titanium alloy chain is collinear with the axis of the pneumatic circular chuck.

[0012] Further, the welding device comprises: a gantry type frame, argon arc welding guns, sliding sleeves, screw rods and servo motors, the argon arc welding guns, the sliding sleeves, the screw rods and the servo motors are symmetrically arranged in front and back, two slide holes one are symmetrically arranged on the left and right sides of the gantry type frame, the two argon arc welding guns are symmetrically arranged on the opposite inner ends of the gantry type frame and matched with the chain link joints on the titanium alloy chain, two sliding sleeves are symmetrically fixedly connected on the opposite sides of the two argon arc welding guns, the two sliding sleeves are horizontally and limitingly and slidingly connected in the two slide holes one respectively, two screw rods are threaded in the two sliding sleeves respectively, the outer ends of the two screw rods are fixedly connected with the output ends of the servo motors, and the two servo motors are symmetrically fixedly installed on the front and back ends of the gantry type frame.

[0013] Furthermore, the welding device also includes: pipes and wire feed nozzles. The pipes are L-shaped and two are arranged symmetrically front to back. The vertical bottom ends of the two pipes are symmetrically fixed to the tops of the two argon arc welding guns. The gantry frame has two symmetrical sliding holes two above the two sliding holes one. The transverse parts of the two pipes pass through and slide to connect the two sliding holes two. Welding wire, water pipe and electrical wire fed by the wire feeder are passed through the inside of the pipes. There are two wire feed nozzles. The two wire feed nozzles are symmetrically fixed to the bottom ends of the two argon arc welding guns and aligned with the chain link joint of the titanium alloy chain. The welding wire passed through the inside of the pipes is passed out through the wire feed nozzles.

[0014] Furthermore, the argon arc welding torch is L-shaped, and the head of the argon arc welding torch can extend into the inside of the link of the titanium alloy chain.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] By mounting the titanium alloy chain to be welded onto two chain adjustment devices, the chain link joints of the titanium alloy chain are welded using a specially designed argon arc welding torch in the welding device. During the welding process, the hollow rotating platform in the two chain adjustment devices drives the titanium alloy chain fixed on the pneumatic circular chuck to rotate axially along the side of the titanium alloy chain with the chain link joint, and with the help of two symmetrically arranged argon arc welding torches, the chain link joints are fully welded. The entire device can effectively weld titanium alloy chains, making up for the lack of equipment for welding titanium alloy chains in existing technologies, and removing the limitations on the large-scale application and promotion of titanium alloy chains in certain heavy equipment fields. Attached Figure Description

[0017] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0018] Fig. 2 This is a transverse longitudinal sectional view of the present invention;

[0019] Fig. 3 This is a longitudinal sectional view of the TIG welding torch of this utility model;

[0020] Fig. 4 This is a cross-sectional view of the cross-shaped perforation of this utility model.

[0021] The labels in the attached diagram are as follows: 1-Displacement platform, 2-Horizontal slider, 3-Screw one, 4-Servo motor one, 5-Bearing, 6-L-shaped support, 601-Perforation one, 7-Hollow rotary platform, 701-Perforation two, 8-Pneumatic circular chuck, 801-Cross-shaped perforation, 9-Gantry frame, 10-Pipe, 11-Argon arc welding torch, 12-Wire feed nozzle, 13-Servo motor two, 14-Titanium alloy chain. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and examples.

[0023] Referring to Figs. 1-4 As shown in the figure, a kind of semi-automatic argon arc welding machine for titanium alloy chain, comprising: moving pair, chain adjusting device, welding device and titanium alloy chain 14, moving pair bottom end is fixedly installed on ground, and the top of moving pair is equipped with two output ends, and two chain adjusting devices for clamping titanium alloy chain 14 and driving titanium alloy chain 14 to rotate are fixedly installed on the two output ends of moving pair symmetrically, and welding device for welding the joint of link in titanium alloy chain 14 is arranged between the two chain adjusting devices.

[0024] Moving pair includes: displacement platform 1, horizontal sliding block 2, screw one 3 and servo motor one 4, two horizontal sliding grooves 101 are symmetrically opened in the top left and right sides of displacement platform 1, two horizontal sliding blocks 2, screw one 3 and servo motor one 4 are all provided with two, two horizontal sliding blocks 2 are respectively horizontally slidably connected in two horizontal sliding grooves 101, two screw one 3 are respectively threadedly connected two horizontal sliding blocks 2, and the opposite outer sides of two screw one 3 are respectively fixedly connected with the output ends of two servo motor one 4;Moving pair further includes: bearing 5, bearing 5 is provided with four, and the opposite outer sides of two screw one 3 are respectively penetrated and rotatably connected with the left and right ends of displacement platform 1, and two screw one 3 are rotatably installed on the left and right sides of displacement platform 1 by four bearings 5;By driving two servo motor one 4 to work respectively, the left and right displacement of two horizontal sliding blocks 2 and the chain adjusting device installed on the top of two horizontal sliding blocks 2 is driven, and real-time adjustment is facilitated according to the need of welding.

[0025] Chain adjusting device includes: L-shaped support 6, hollow rotating platform 7 and pneumatic circular chuck 8, L-shaped support 6 bottom end is fixedly connected on the top end of corresponding horizontal sliding block 2, L-shaped support 6 upper inner side is fixedly installed with hollow rotating platform 7, pneumatic circular chuck 8 is coaxially fixedly installed on the output end of hollow rotating platform 7, and the upper part of L-shaped support 6 is provided with perforation one 601, and the middle part of hollow rotating platform 7 is provided with transversely penetrating perforation two 701, and the size of perforation one 601 and perforation two 701 is same and coaxial, and cross-shaped perforation 801 is provided on pneumatic circular chuck 8, which is matched with the link of titanium alloy chain 14, and titanium alloy chain 14 is transversely movably penetrated through perforation one 601 and perforation two 701, and titanium alloy chain 14 is transversely slidably penetrated through cross-shaped perforation 801.

[0026] The hollow rotating platform 7 can drive the pneumatic circular chuck 8 to rotate axially, and the hollow rotating platform comprises a fixed seat, a rotating seat and a servo drive motor. The rotating seat is installed on the fixed seat in axial rotation, and the servo drive motor is fixedly installed on the fixed seat. The output end of the servo drive motor drives the rotating seat to rotate through gear transmission. The fixed seat is fixedly installed on the L-shaped support 6, and the pneumatic circular chuck 8 is fixedly installed on the rotating seat. The pneumatic circular chuck 8 is provided with a pneumatic clamping mechanism (not shown in the drawing). The pneumatic clamping mechanism is basically the same as the existing pneumatic circular chuck on the market. The only difference is that the pneumatic circular chuck 8 in the device is provided with a cross-shaped perforation 801. The pneumatic clamping mechanism is used for clamping or loosening the horizontal and vertical of the titanium alloy chain 14. The power input end of the pneumatic clamping mechanism is connected to the air pressure control device, and the pneumatic clamping mechanism on the circular chuck 8 is controlled to clamp or loosen through the air pressure control device.

[0027] The titanium alloy chain 14 with a chain link joint on one side is connected to the lower end of the cross-shaped perforation 801 in horizontal sliding, and the horizontal axis of the titanium alloy chain 14 with a chain link joint on one side is collinear with the axis of the pneumatic circular chuck 8. When the hollow rotating platform 7 drives the pneumatic circular chuck 8 to rotate and drives the titanium alloy chain 14 to rotate, the titanium alloy chain 14 with a chain link joint on one side rotates axially, and the two welding devices are matched to realize the full welding and full welding of the chain link joint.

[0028] The welding device comprises a gantry type frame 9, an argon arc welding gun 11, a sliding sleeve, a screw rod two and a servo motor two 13. The argon arc welding gun 11, the sliding sleeve, the screw rod two and the servo motor two 13 are all provided with two symmetrical in front and back. The gantry type frame 9 is symmetrically provided with two slide holes one on the front and back sides. The two argon arc welding guns 11 are symmetrically arranged on the opposite inner side ends of the gantry type frame 9 and are matched with the chain link joints on the titanium alloy chain 14. The two argon arc welding guns 11 are symmetrically fixedly connected with two sliding sleeves on the side opposite to each other. The two sliding sleeves are respectively transversely limitedly and slidingly connected in the two slide holes one. The two sliding sleeves are respectively threadedly connected with two screw rods two on the inner side. The output end of the servo motor two 13 is fixedly connected with the outer side end of the two screw rods two. The two servo motors two 13 are symmetrically fixedly installed on the front and back ends of the gantry type frame 9. The servo motor two 13 drives the screw rod two to rotate, and further drives the sliding sleeve and the argon arc welding gun 11 to move close to or away from the titanium alloy chain 14.

[0029] The welding device further comprises two pipes 10 and wire feed nozzles 12, the pipes 10 are L-shaped and arranged symmetrically in front and back, vertical bottom ends of the two pipes 10 are fixedly installed symmetrically at top ends of the two argon arc welding guns 11, two slide holes two are symmetrically formed above the two slide holes one of the gantry type frame 9, horizontal parts of the two pipes 10 respectively transversely penetrate and are slidably connected to the two slide holes two, welding wires, water pipes and electric wires conveyed by the wire feeder are arranged inside the pipes 10, the two wire feed nozzles 12 are symmetrically fixedly installed at bottom ends of the two argon arc welding guns 11 and are aligned with chain link joints of the titanium alloy chain 14, and the welding wires arranged inside the pipes 10 are fed out by the wire feed nozzles 12.

[0030] The argon arc welding gun 11 is L-shaped, with a long long side and a short short side, and a head of the argon arc welding gun 11 can be inserted into the inside of the chain link of the titanium alloy chain 14.

[0031] When the device is used, first, the two special pneumatic round chucks 8 are loosened, the chain link of the titanium alloy chain 14 is placed at the correct clamping position, and then the titanium alloy chain 14 is clamped by the two pneumatic round chucks 8, at this time, the position of the titanium alloy chain 14 is fixed, and the welding device is located in the middle of the two chain adjusting devices. (Due to the structural characteristics of the chain and the design mechanism of the pneumatic round chuck 8, the welding of the chain link is interval welding, in short, if the chain links are numbered from 1 to 12, only the chain links numbered 1, 3, 5, 7, 9 and 11 are welded in the first welding process. The chain links numbered 2, 4, 6, 8, 10 and 12 are welded in the second welding process, so the whole chain needs to be welded twice.) After the preparation work is completed, in the welding device, the front servo motor two 13 first drives the special argon arc welding gun 11 to complete the longitudinal movement through the threaded transmission, when reaching the specified position, the welding switch is turned on, at the same time, the hollow rotating platform rotates and cooperates with the servo drive motor of the chain adjusting device to complete the partial welding of the first chain, the area that can be welded by a single welding gun is limited, at this time, the front argon arc welding gun 11 is controlled by the front servo motor two 13 to return to the initial position, and the rear argon arc welding gun 11 is welded in the same way, the front and rear argon arc welding guns 1 cooperate to realize the full welding and full welding of the chain link of the chain;

[0032] After welding a chain link, one of the chain adjusting devices is not moved and the special pneumatic round chuck 8 is loosened, the other chain adjusting device is clamped and moved on the moving pair to pull the second chain link to be processed to the appropriate position, the chain adjusting device just loosened is clamped again, the other chain adjusting device is loosened and then moved to the appropriate position by the moving pair and then clamped, the welding of the second chain link is continued, and the process is repeated until the welding of the first half of the chain is completed; then the titanium alloy chain 14 is taken out, the direction is adjusted, and the second welding process is completed according to the above process.

[0033] In the description of the utility model, it is necessary to explain, the term "upper", "lower", "left", "right", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, and any person skilled in the art, without departing from the technical scheme range of the utility model, according to the technical essence of the utility model, any simple modification, equivalent replacement and improvement of the above embodiment, etc. still belong to the protection range of the technical scheme of the utility model.

Claims

1. A semi-automatic argon arc welding machine for titanium alloy chain, characterized in that, Include: The moving pair, chain adjusting device, welding device and titanium alloy chain (14), the bottom end of the moving pair is fixedly installed on the ground, the top end of the moving pair is provided with two output ends, two chain adjusting devices for clamping and driving the titanium alloy chain (14) are symmetrically fixedly installed on the two output ends of the moving pair, and a welding device for welding the chain link joint in the titanium alloy chain (14) is arranged between the two chain adjusting devices.

2. A semi-automatic argon arc welder for titanium alloy chain according to claim 1, characterized in that: The moving pair includes: displacement platform (1), horizontal sliding block (2), screw rod one (3) and servo motor one (4), two horizontal sliding grooves (101) are symmetrically formed in the top end of the displacement platform (1), the horizontal sliding block (2), the screw rod one (3) and the servo motor one (4) are all provided with two, the two horizontal sliding blocks (2) are respectively horizontally and slidingly connected in the two horizontal sliding grooves (101), the two screw rods one (3) are respectively threadedly connected with the two horizontal sliding blocks (2), and the opposite outer side ends of the two screw rods one (3) are respectively fixedly connected with the output ends of the two servo motor one (4).

3. A semi-automatic argon arc welder for titanium alloy chain according to claim 2, characterized in that: The moving pair further includes: bearing (5), the bearing (5) is provided with four, the opposite outer side ends of the two screw rods one (3) are respectively penetrated and rotationally connected with the left and right ends of the displacement platform (1), and the two screw rods one (3) are respectively rotationally installed on the left and right sides of the displacement platform (1) through the four bearings (5).

4. A semi-automatic argon arc welder for titanium alloy chain according to claim 2, characterized in that: The chain adjusting device includes: L-shaped support (6), hollow rotating platform (7) and pneumatic circular chuck (8), the bottom end of the L-shaped support (6) is fixedly connected with the top end of the horizontal sliding block (2) corresponding thereto, the hollow rotating platform (7) is fixedly installed on the upper inner side of the L-shaped support (6), the pneumatic circular chuck (8) is coaxially fixedly installed on the output end of the hollow rotating platform (7), a perforation one (601) is formed in the upper part of the L-shaped support (6), a perforation two (701) is formed in the middle part of the hollow rotating platform (7), the perforation one (601) and the perforation two (701) are coaxially arranged and have the same size, a cross-shaped perforation (801) is formed in the pneumatic circular chuck (8) and matched with the chain link of the titanium alloy chain (14), the titanium alloy chain (14) is horizontally and movably penetrated through the perforation one (601) and the perforation two (701), and the titanium alloy chain (14) is horizontally and slidingly penetrated through the cross-shaped perforation (801).

5. A semi-automatic argon arc welder for titanium alloy chain according to claim 4, characterized in that: The hollow rotating platform (7) can drive the pneumatic circular chuck (8) to rotate axially, the pneumatic circular chuck (8) is provided with a pneumatic clamping mechanism, and the pneumatic clamping mechanism is used for clamping or loosening the titanium alloy chain (14) horizontally and vertically.

6. A semi-automatic argon arc welder for titanium alloy chain according to claim 5, characterized in that: The titanium alloy chain (14) has a side with chain link joints, which is horizontally and slidingly connected with the lower end of the cross-shaped perforation (801), and the horizontal axis of the side with chain link joints of the titanium alloy chain (14) is collinear with the axis of the pneumatic circular chuck (8).

7. A semi-automatic argon arc welder for titanium alloy chain according to claim 6, characterized in that: The welding device comprises a portal frame (9), an argon arc welding gun (11), a sliding sleeve, a screw rod two and a servo motor two (13), two of the argon arc welding gun (11), the sliding sleeve, the screw rod two and the servo motor two (13) are symmetrically arranged front and back, two slide holes one are symmetrically arranged on the front and back sides of the portal frame (9), two argon arc welding guns (11) are symmetrically arranged on the opposite inner side ends of the portal frame (9) and are matched with the chain ring joints on the titanium alloy chain (14) respectively, two sliding sleeves are symmetrically fixedly connected on the sides opposite to the two argon arc welding guns (11), the two sliding sleeves are transversely limitedly and slidingly connected in the two slide holes one respectively, two screw rods two are threadedly connected in the inner sides of the two sliding sleeves respectively, the output ends of the servo motor two (13) are fixedly connected with the outer side ends of the two screw rods two, and the two servo motor two (13) are symmetrically fixedly installed on the front and back ends of the portal frame (9).

8. A semi-automatic argon arc welder for titanium alloy chain according to claim 7, characterized in that: The welding device further comprises a pipeline (10) and a wire feeding nozzle (12), the pipeline (10) is L-shaped and two of the pipeline (10) are symmetrically arranged front and back, the vertical bottom ends of the two pipelines (10) are symmetrically fixedly installed on the top ends of the two argon arc welding guns (11), two slide holes two are symmetrically arranged above the two slide holes one of the portal frame (9), the horizontal parts of the two pipelines (10) respectively transversely penetrate and slidingly connect the two slide holes two, welding wires, water pipes and electric wires conveyed by a wire feeder are arranged in the pipeline (10), two wire feeding nozzles (12) are arranged, the two wire feeding nozzles (12) are symmetrically fixedly installed on the bottom ends of the two argon arc welding guns (11) and are aligned with the chain ring joints of the titanium alloy chain (14), and the welding wires arranged in the pipeline (10) are penetrated by the wire feeding nozzles (12).

9. A semi-automatic argon arc welder for titanium alloy chain according to claim 8, characterized in that: The argon arc welding gun (11) is L-shaped, and the head of the argon arc welding gun (11) can be inserted into the inside of the chain ring of the titanium alloy chain (14).

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