Quick positioning tool for argon filling in welding of stainless steel cylinder

Abstract

The rapid positioning tool comprises a baffle, a sleeve is fixedly installed on the bottom wall of the baffle, a sealing sleeve is fixedly installed on the inner wall of the sleeve, the section of the sealing sleeve is conical, an air inlet pipe is fixedly installed on the upper end face of the baffle, the air inlet pipe penetrates to the bottom of the baffle, and an air outlet pipe is fixedly installed on the lower end face of the baffle. A two-way screw rod is rotatably installed on the upper end face of the baffle through a moving frame, a rocking wheel is fixedly installed on the outer wall of the two-way screw rod, two moving sleeves are rotatably installed on the outer wall of the two-way screw rod in a threaded mode, and a limiting rod is fixedly installed in the moving frame. By arranging the bidirectional screw, the limiting rod, the clamping plates and other components, the rocking wheel is rotated to drive the bidirectional screw, the distance between the clamping plates can be rapidly adjusted, the stainless steel cylinder bodies with different diameters can be adapted, rapid positioning is achieved, meanwhile, the limiting rod ensures the stability and accuracy of movement of the movable sleeve, and the positioning precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding auxiliary equipment technical field especially relates to the quick positioning frock of stainless steel cylinder body welding argon filling. BACKGROUND

[0002] The welding process can tightly connect each part of the stainless steel cylinder body together to form a seamless structure, which not only ensures the stability of the cylinder body, but also ensures that it has good sealing performance, which is crucial for storing and transporting liquids or gases, and can effectively prevent leakage accidents.

[0003] In the process of welding the stainless steel cylinder body, in order to prevent the weld from oxidizing and ensure the welding quality, argon is often filled into the cylinder body for protection. However, the existing welding frock has low positioning accuracy and complex operation when positioning the stainless steel cylinder body, for example, some frocks cannot quickly adapt to different diameters of the cylinder body, and cannot ensure good sealing performance when fixing the cylinder body, resulting in argon leakage, affecting the welding effect, and lacking practicality. Therefore, the quick positioning frock for stainless steel cylinder body welding argon filling needs to be redesigned to solve the above problems. SUMMARY

[0004] The utility model discloses a quick positioning frock for stainless steel cylinder body welding argon filling to solve the problems in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The quick positioning frock for stainless steel cylinder body welding argon filling includes a baffle, a sleeve fixedly installed on the bottom wall of the baffle, a sealing sleeve fixedly installed on the inner wall of the sleeve, the sealing sleeve being conical in cross section, an air inlet pipe fixedly installed on the upper end face of the baffle, the air inlet pipe penetrating through the bottom of the baffle, a bidirectional screw rod rotatably installed on the upper end face of the baffle through a moving frame, a rocking wheel fixedly installed on the outer wall of the bidirectional screw rod, two moving sleeves threadedly rotatably installed on the outer wall of the bidirectional screw rod, a limiting rod fixedly installed inside the moving frame, the limiting rod slidingly penetrating through the two moving sleeves, a first connecting frame installed on the outer wall of each of the two moving sleeves, a second connecting frame rotatably connected to the first connecting frame through a connecting mechanism inside the two first connecting frames on the same side, a connecting plate fixedly installed on the outer wall of each of the two second connecting frames, a moving plate fixedly connected to the inner wall of each of the two connecting plates through an extension mechanism, and a clamping plate fixedly connected to the inner wall of each of the two moving plates through a fixing mechanism.

[0007] Preferably, the connecting mechanism includes a connecting plate rotatably installed inside the first connecting frame, and the connecting plate is rotatably connected to the inside of the second connecting frame.

[0008] Preferably, the telescopic mechanism comprises a hydraulic cylinder fixedly installed on the inner wall of the connecting plate, and the telescopic end of the hydraulic cylinder is fixedly connected with the bottom wall of the moving plate.

[0009] Preferably, the fixing mechanism comprises a fixing rod fixedly installed on the inner wall of the moving plate, and the end of the fixing rod is fixedly connected with the outer wall of the clamping plate.

[0010] Preferably, the upper end surface of each of the two moving plates is fixedly installed with a stabilizing rod, and the two stabilizing rods are slidingly penetrated through the connecting plate on the same side.

[0011] Preferably, the inner wall of each of the two clamping plates is arc-shaped, and a plurality of anti-skid tooth blocks are fixedly installed on the arc-shaped inner wall of each of the two clamping plates.

[0012] The utility model discloses the beneficial effects of:

[0013] 1. By setting up bidirectional screw rod, limit rod and clamping plate etc. Component, rotates the handle to drive bidirectional screw rod, can fast adjustment clamping plate's interval, adapts to different diameter's stainless steel cylinder, realizes quick positioning, simultaneously, limit rod guarantees the stability and accuracy of mobile sleeve movement, has improved positioning accuracy.

[0014] 2. By setting up hydraulic cylinder, moving plate and stabilizing rod etc. Component, the taper structure of sealing sleeve and cylinder port are closely combined, after hydraulic cylinder promotes cylinder and sealing sleeve extrusion, further strengthen the sealing effect, effectively prevent argon leakage, provide reliable inert gas protection environment for welding, improve the welding quality, simultaneously, the sliding of stabilizing rod can play the role of guiding to hydraulic cylinder, guarantees the stability when hydraulic cylinder telescopes. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of the quick positioning tool of stainless steel cylinder welding argon filling that the utility model provides;

[0016] Figure 2 It is the vertical section structure schematic drawing of Figure 1 ;

[0017] Figure 3 It is the overhead structure schematic drawing of the quick positioning tool of stainless steel cylinder welding argon filling that the utility model provides;

[0018] Figure 4 It is the structure enlarged schematic drawing of A in Figure 1 ;

[0019] Figure 5 It is the structure enlarged schematic drawing of B in Figure 2 .

[0020] In the figure: 1 baffle, 2 sleeve, 3 sealing sleeve, 4 air inlet pipe, 5 moving frame, 6 bidirectional screw, 7 rocking wheel, 8 limiting rod, 9 moving sleeve, 10 first connecting frame, 11 connecting plate, 12 second connecting frame, 13 connecting plate, 14 hydraulic cylinder, 15 moving plate, 16 stabilizing rod, 17 fixed rod, 18 clamping plate, 19 anti-skid tooth block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Reference Figures 1-5 The quick positioning tool for welding and argon filling of the stainless steel cylinder body comprises a baffle 1, the bottom wall of the baffle 1 is fixedly installed with a sleeve 2, the inner wall of the sleeve 2 is fixedly installed with a sealing sleeve 3, the cross section of the sealing sleeve 3 is conical, the sealing sleeve 3 is made of fluororubber material, the chemical stability of the fluororubber material is excellent, various chemical substances generated in the welding process can be effectively resisted, the sealing performance is prevented from being reduced due to corrosion, the unique molecular structure makes the sealing sleeve 3 have excellent high-temperature resistance, the sealing sleeve 3 can maintain good elasticity and sealing performance in a high welding temperature environment, the upper end surface of the baffle 1 is fixedly installed with an air inlet pipe 4, the air inlet pipe 4 penetrates to the bottom of the baffle 1, the upper end surface of the baffle 1 is rotatably installed with a bidirectional screw 6 through a moving frame 5, the outer wall of the bidirectional screw 6 is fixedly installed with a rocking wheel 7, the outer wall of the bidirectional screw 6 is threadedly rotatably installed with two moving sleeves 9, the moving frame 5 is fixedly installed with a limiting rod 8 inside, the limiting rod 8 slidably penetrates the two moving sleeves 9, the limiting rod 8 can limit the two moving sleeves 9, so that the two moving sleeves 9 can only move axially along the outer wall of the bidirectional screw 6, the outer walls of the two moving sleeves 9 are both installed with a first connecting frame 10, the interiors of the two first connecting frames 10 on the same side are both rotatably connected with a second connecting frame 12 through a connecting mechanism, the connecting mechanism comprises a connecting plate 11 rotatably installed in the interior of the first connecting frame 10, and the end portion of the connecting plate 11 is rotatably connected with the interior of the second connecting frame 12.

[0023] The outer walls of the two second connecting frames 12 are both fixedly installed with a connecting plate 13, the inner walls of the two connecting plates 13 are both fixedly connected with a moving plate 15 through an extension mechanism, the extension mechanism comprises a hydraulic cylinder 14 fixedly installed on the inner wall of the connecting plate 13, the extension end of the hydraulic cylinder 14 is fixedly connected with the bottom wall of the moving plate 15, the upper end surfaces of the two moving plates 15 are both fixedly installed with a stabilizing rod 16, the two stabilizing rods 16 both slidably penetrate the connecting plate 13 on the same side, the inner walls of the two moving plates 15 are both fixedly connected with a clamping plate 18 through a fixing mechanism, the fixing mechanism comprises a fixed rod 17 fixedly installed on the inner wall of the moving plate 15, and the end portion of the fixed rod 17 is fixedly connected with the outer wall of the clamping plate 18, the inner walls of the two clamping plates 18 are both arc-shaped, and the arc-shaped inner walls of the two clamping plates 18 are both fixedly installed with a plurality of anti-skid tooth blocks 19.

[0024] The utility model uses, first want to sleeve 2 is covered in the outer wall of stainless steel cylinder, because sealing sleeve 3 has the unique taper section design, its inner wall can be in good contact with the end of the stainless steel cylinder of different outer diameter specifications, this design makes the tool have stronger versatility, can be adapted to a variety of different size stainless steel cylinder, then, the operator can rotate the handle 7, handle 7 is connected with bidirectional screw rod 6, when handle 7 rotates, will drive bidirectional screw rod 6 synchronous rotation, when bidirectional screw rod 6 rotates, under the cooperation of limiting rod 8, two mobile sleeves 9 will along limiting rod 8 do opposite or opposite movement;

[0025] Every mobile sleeve 9 is connected with two first link frames 10 of same side, so when two mobile sleeves 9 move mutually close, will drive two first link frames 10 of same side also mutually close respectively, under the pulling effect of two same side link plates 11, two second link frames 12 will drive the connecting plate 13 of same side to move respectively, along with the movement of connecting plate 13, two clamping plates 18 will mutually close, when two clamping plates 18 mutually close, anti-skid tooth block 19 will be tightly attached on the outer wall of stainless steel cylinder, thereby realize the firm clamping and fixing of stainless steel cylinder, this design makes the installation process of tool simple and fast, can quickly complete the connection and fixing of tool and stainless steel cylinder;

[0026] When the tool completes installation and fixed, two sides hydraulic cylinder 14 will synchronous stretch out, when hydraulic cylinder 14 stretches out, will exert a reverse force to connecting plate 13, connecting plate 13 will transmit this force to baffle 1, because baffle 1 is connected with sleeve 2, so baffle 1 will drive sealing sleeve 3 to extrude the end of stainless steel cylinder through sleeve 2, in the extrusion process, the inner wall of sealing sleeve 3 will be more closely attached to the end of stainless steel cylinder, thereby significantly increase the sealing effect between the end of stainless steel cylinder and the inner wall of sealing sleeve 3, effectively prevent argon leakage in the welding process;

[0027] When the hydraulic cylinder 14 extends, the moving plate 15 will move, and at the same time, the moving plate 15 will drive the stabilizing rod 16 to slide on the bottom wall of the connecting plate 13, and the sliding of the stabilizing rod 16 can guide the hydraulic cylinder 14, thereby ensuring the stability and reliability of the whole tooling system. After the above steps are completed and it is confirmed that the tooling is firmly installed and well sealed, the argon filling operation before welding can be performed. The operator needs to tightly connect the gas inlet pipe 4 with the argon supply source, and ensure that the connection part is sealed and has no leakage. After the connection is completed, the argon valve is opened, at this time, the argon will enter the tooling system from the argon supply source through the gas inlet pipe 4. The argon will first pass through the bottom of the baffle 1, then pass through the gap between the sleeve 2 and the sealing sleeve 3, and finally enter the inside of the stainless steel cylinder. When the inside of the stainless steel cylinder is filled with argon, a good protection atmosphere can be provided for the subsequent welding operation, which can prevent the metal from being oxidized during the welding process and improve the welding quality.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A quick positioning tool for argon filling of stainless steel cylinder welding, comprising a baffle (1), characterized in that, The baffle (1) bottom wall is fixedly installed with a sleeve (2), the sleeve (2) inner wall is fixedly installed with a sealing sleeve (3), the sealing sleeve (3) section is tapered, the baffle (1) upper end surface is fixedly installed with an air inlet pipe (4), the air inlet pipe (4) penetrates to the baffle (1) bottom, the baffle (1) upper end surface is rotatably installed with a bidirectional screw rod (6) through a moving frame (5), the bidirectional screw rod (6) outer wall is fixedly installed with a rocking wheel (7), the bidirectional screw rod (6) outer wall is threadedly rotatably installed with two moving sleeves (9), the moving frame (5) is fixedly installed with a limiting rod (8) inside, the limiting rod (8) slides through the two moving sleeves (9), the two moving sleeves (9) both sides outer wall is installed with a first link frame (10), the same side two first link frames (10) inside are rotatably connected with a second link frame (12) through a link mechanism, the two second link frames (12) outer wall is fixedly installed with a connecting plate (13), the two connecting plates (13) inner wall is fixedly connected with a moving plate (15) through a telescopic mechanism, the two moving plates (15) inner wall is fixedly connected with a clamping plate (18) through a fixing mechanism.

2. The rapid positioning tool for argon-filled welding of a stainless steel cylinder according to claim 1, wherein The link mechanism comprises a link plate (11) rotatably installed in the first link frame (10), and the link plate (11) end is rotatably connected with the second link frame (12) inside.

3. The quick positioning tool for argon-filled welding of a stainless steel cylinder according to claim 2, wherein The telescopic mechanism comprises a hydraulic cylinder (14) fixedly installed on the connecting plate (13) inner wall, and the hydraulic cylinder (14) telescopic end is fixedly connected with the moving plate (15) bottom wall.

4. The quick positioning tool for argon-filled welding of a stainless steel cylinder shell according to claim 3, wherein The fixing mechanism comprises a fixing rod (17) fixedly installed on the moving plate (15) inner wall, and the fixing rod (17) end is fixedly connected with the clamping plate (18) outer wall.

5. The quick positioning tool for argon-filled welding of a stainless steel cylinder shell according to claim 4, wherein The two moving plates (15) upper end surface is fixedly installed with a stabilizing rod (16), and the two stabilizing rods (16) slides through the same side connecting plate (13).

6. The quick positioning tool for argon-filled welding of a stainless steel cylinder shell according to claim 5, wherein The two clamping plates (18) inner wall is arc-shaped, and the two clamping plates (18) arc-shaped inner wall is fixedly installed with a plurality of anti-skid teeth blocks (19).

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