Valve inner barrier strip welding device

Abstract

The utility model discloses a valve inner barrier strip welding device which comprises a valve body positioning mechanism, a valve body fixing mechanism and an inner barrier strip positioning mechanism, the valve body positioning mechanism comprises a rack and a plurality of positioning rods arranged on the rack, and the positioning rods are matched with flange holes in a valve body; the valve body fixing mechanism comprises two nuts connected to the positioning rod in a threaded mode, and the two nuts abut against the two sides of the valve body respectively. The inner barrier strip positioning mechanism comprises a clamping assembly and a pressing assembly, the clamping assembly and the pressing assembly are arranged on the rack, the clamping assembly is used for clamping the two inner barrier strips, and the pressing assembly is used for pressing the two inner barrier strips on the inner side wall of the valve body. Under the action of the inner barrier strip fixing mechanism, the inner barrier strip is fixed on the inner side of the valve body, so that the valve body and the inner barrier strip are not easy to shake in the positioning and welding process of the valve body and the inner barrier strip, and the production quality and the production efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the field of valve production, in particular to a valve inner stop strip welding device. Background Art

[0002] Valves are mainly used as pipeline accessories to open and close pipelines, control flow direction, and adjust and control the parameters of the conveying medium. During the valve production process, two inner stoppers are usually connected and fixed in the valve body by welding. When the valve plate is in the closed state, the two inner stoppers are used to abut against the two sides of the valve plate to prevent the valve plate from rotating in the opposite direction.

[0003] In the related art, a valve welding tool is proposed, including a tool seat arranged on a reference positioning member, on which an arc track and a docking unit are arranged. The reference positioning member limits the axial position of the arc track according to the arc surface on the valve body, so that the arc track coincides with the axis of the arc surface on the valve body.

[0004] Regarding the above-mentioned related technologies, there are the following defects: the above-mentioned welding tooling only meets the positioning and welding of the valve body and the bracket, while the positioning and welding of the valve body and the inner stop strip still requires manual operation by the staff, which affects the production quality and production efficiency. Utility Model Content

[0005] The utility model aims to overcome the above technical deficiencies and proposes a valve inner stopper welding device to solve the technical problem that the valve body and the inner stopper need to be positioned manually in the prior art.

[0006] In order to achieve the above technical objectives, the technical solution of the utility model provides a valve inner stopper welding device, which is used to position and weld the inner stopper of the valve body, including a valve body positioning mechanism, the valve body positioning mechanism includes a frame and a plurality of positioning rods arranged on the frame, and the positioning rods are adapted to the flange holes on the valve body;

[0007] A valve body fixing mechanism, the valve body fixing mechanism comprising two nuts threadedly connected to the positioning rod, the two nuts respectively pressed against two sides of the valve body; and,

[0008] The inner baffle positioning mechanism includes a clamping assembly and a pressing assembly arranged on the frame, the clamping assembly is used to clamp the two inner baffles, and the pressing assembly is used to press the two inner baffles against the inner wall of the valve body.

[0009] In some embodiments, the clamping assembly includes a bracket arranged on a frame, a fixed plate is provided on the bracket, a movable plate is connected to the bracket along the axial sliding direction of the valve body, and a locking assembly is provided on the bracket, and the locking assembly is used to lock the movable plate and enable the movable plate and the fixed plate to clamp the inner stop strip.

[0010] In some embodiments, the locking assembly includes a screw threadedly connected to the fixed plate, and the screw is slidably disposed on the movable plate.

[0011] In some embodiments, a handle is provided on the screw.

[0012] In some embodiments, an elastic layer is provided on the side of the fixed plate and the movable plate that are close to each other.

[0013] In some embodiments, the clamping assembly includes two support rods connected to the bracket along the radial sliding direction of the valve body, the two fixed plates are respectively arranged on the two support rods, and the bracket is provided with a driving assembly, which is used to drive the two support rods to slide in opposite directions and press the two inner stop strips against the inner side of the valve body.

[0014] In some embodiments, the drive assembly includes a double-ended screw rotatably connected to a bracket, the double-ended screw extends radially along the valve body, both ends of the double-ended screw pass through two support rods and are threadedly connected to the two support rods, and the bracket is provided with a power assembly for driving the double-ended screw to rotate.

[0015] In some embodiments, the power assembly includes a motor disposed on a bracket, a driving gear is disposed on an output shaft of the motor, and a driven gear meshing with the driving gear is disposed on the double-ended lead screw.

[0016] In some embodiments, dust covers are provided on the outer sides of the driving gear and the driven gear.

[0017] In some embodiments, the double-ended screw is rotatably connected to the bracket via a bushing.

[0018] Compared with the prior art, the beneficial effects of the utility model include: under the action of the positioning rod and the nut, the valve body is fixed, and under the action of the clamping assembly and the clamping assembly, the inner baffle is fixed to the inner side of the valve body, thereby realizing the positioning of the valve body and the inner baffle, and during the welding process, the valve body and the inner baffle are not easy to shake, thereby improving the production quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a valve body positioning mechanism, a valve body fixing mechanism and an inner stopper positioning mechanism of a valve inner stopper welding device provided by the utility model;

[0020] Figure 2 It is a schematic diagram of the overall structure of an inner stopper positioning mechanism of a valve inner stopper welding device provided by the utility model;

[0021] Figure 3 The utility model is a schematic diagram of the overall structure of a power assembly of a valve inner stopper welding device.

[0022] Description of reference numerals:

[0023] 1-valve body positioning mechanism, 11-frame, 12-positioning rod, 2-valve body fixing mechanism, 21-nut, 3-inner stop bar positioning mechanism, 4-valve body, 41-flange hole, 5-clamping assembly, 51-bracket, 52-fixed plate, 53-moving plate, 54-locking assembly, 55-screw, 56-handle, 57-elastic layer, 6-clamping assembly, 61-support rod, 62-drive assembly, 63-double-headed screw, 64-power assembly, 65-motor, 66-driving gear, 67-driven gear, 68-dust cover, 69-sleeve, 7-inner stop bar. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] The utility model provides a valve inner stopper welding device, the structure of which is as follows: Figure 1 - Figure 3 As shown, it is used to position and weld the inner stop bar 7 of the valve body 4, including a valve body positioning mechanism 1, a valve body fixing mechanism 2 and an inner stop bar positioning mechanism 3.

[0026] The valve body positioning mechanism 1 includes a frame 11 and two positioning rods 12 fixedly connected to the frame 11 . The two positioning rods 12 are symmetrically distributed, and the positioning rods 12 are adapted to the flange holes 41 on the valve body 4 .

[0027] The valve body fixing mechanism 2 includes two nuts 21 threadedly connected to two ends of the positioning rod 12 , and the two nuts 21 are respectively pressed against two sides of the valve body 4 .

[0028] The inner baffle positioning mechanism 3 includes a clamping assembly 5 and a pressing assembly 6 arranged on the frame 11 , the clamping assembly 5 is used to clamp the two inner baffles 7 , and the pressing assembly 6 is used to press the two inner baffles 7 against the inner wall of the valve body 4 .

[0029] When in use, align the flange hole 41 on the valve body 4 with the positioning rod 12 and slide along the positioning rod 12. After the valve body 4 is slid to the predetermined position, tighten the two nuts 21 until the two nuts 21 are respectively pressed against the two sides of the valve body 4, and the valve body 4 is fixed. Use the clamping assembly 5 to clamp the two inner baffles 7, and use the pressing assembly 6 to press the two inner baffles 7 against the inner side of the valve body 4. In this way, the positioning of the valve body 4 and the inner baffle 7 is achieved. During the welding process, the valve body 4 and the inner baffle 7 are not easy to shake, which improves the production quality and production efficiency.

[0030] In the utility model, under the action of the positioning rod 12 and the nut 21, the valve body 4 is fixed, and under the action of the clamping assembly 5 and the clamping assembly 6, the inner baffle 7 is fixed to the inner side of the valve body 4, thereby realizing the positioning of the valve body 4 and the inner baffle 7. During the welding process, the valve body 4 and the inner baffle 7 are not easy to shake, thereby improving the production quality and production efficiency.

[0031] To fix the inner stopper 7, please refer to Figure 2 In a preferred embodiment, the clamping assembly 5 includes a bracket 51 fixedly connected to the frame 11, a fixed plate 52 is fixedly connected to the bracket 51, a movable plate 53 is axially slidably connected to the bracket 51 along the valve body 4, and a locking assembly 54 is provided on the bracket 51. The locking assembly 54 is used to lock the movable plate 53 and enable the movable plate 53 and the fixed plate 52 to clamp the inner stop strip 7.

[0032] When in use, one side of the inner baffle 7 is abutted against the fixed plate 52, and the locking assembly 54 is used to lock the movable plate 53, so that the movable plate 53 is tightly abutted against the other side of the inner baffle 7, and the inner baffle 7 is fixed. The operation is convenient and the production efficiency is improved.

[0033] In order to fix the moving plate 53, please refer to Figure 2 In a preferred embodiment, the locking assembly 54 includes a screw 55 threadedly connected to the fixed plate 52 , the screw 55 extends along the axial direction of the valve body 4 , and the screw 55 is slidably penetrated on the movable plate 53 .

[0034] When in use, after the inner stop bar 7 is abutted against the fixed plate 52, the screw 55 is rotated, and the screw 55 drives the movable plate 53 to move until the movable plate 53 abuts against the other side of the inner stop bar 7, and the inner stop bar 7 is fixed. Not only is the operation convenient, but the screw 55 also has a self-locking function, is not easy to loosen, is firmly fixed, and improves the production quality.

[0035] In order to facilitate the rotation of the screw rod 55, please refer to Figure 2 In a preferred embodiment, a handle 56 is fixedly connected to one end of the screw rod 55 close to the movable plate 53 .

[0036] When in use, the handle 56 is held to rotate the screw rod 55, which is not prone to slipping, thereby improving the convenience of operation.

[0037] In order to improve the stability of the fixed plate 52 and the movable plate 53, please refer to Figure 2 In a preferred embodiment, an elastic layer 57 is bonded to the adjacent sides of the fixed plate 52 and the movable plate 53, and the elastic layer 57 is a rubber pad.

[0038] During use, when the fixed plate 52 and the movable plate 53 clamp the inner stop bar 7, the elastic layer 57 is squeezed and deformed, so that the fixed plate 52, the movable plate 53 and the inner stop bar 7 fit more closely and are fixed more firmly, thereby improving production quality.

[0039] In order to press the inner stopper 7 against the inner side of the valve body 4, please refer to Figure 2 In a preferred embodiment, the clamping assembly 6 includes two support rods 61 connected to the bracket 51 along the radial sliding direction of the valve body 4, the two support rods 61 are staggered, and the two fixed plates 52 are respectively fixedly connected to the two support rods 61. A driving assembly 62 is provided on the bracket 51, and the driving assembly 62 is used to drive the two support rods 61 to slide in the opposite direction and press the two inner stop strips 7 against the inner side of the valve body 4.

[0040] When in use, the driving assembly 62 drives the two support rods 61 to slide in opposite directions along the radial direction of the valve body 4 , and the two support rods 61 drive the two inner stop bars 7 to slide, so that the two inner stop bars 7 are pressed tightly against the inner side of the valve body 4 .

[0041] In order to drive the two inner stoppers 7 to slide synchronously in opposite directions, please refer to Figure 2 In a preferred embodiment, the driving assembly 62 includes a double-headed screw 63 rotatably connected to the bracket 51, the double-headed screw 63 extends radially along the valve body 4, and the two ends of the double-headed screw 63 respectively pass through two support rods 61 and are threadedly connected to the two support rods 61, and the bracket 51 is provided with a power assembly 64 for driving the double-headed screw 63 to rotate.

[0042] When in use, the power assembly 64 drives the double-headed screw 63 to rotate, and the double-headed screw 63 drives the two support rods 61 to slide. Under the action of the double-headed screw 63, the two inner baffles 7 are synchronously slid in the opposite direction, so that the two inner baffles 7 are synchronously abutted against the inner side of the valve body 4, improving the production quality.

[0043] To drive the double-ended screw 63 to rotate, please refer to Figure 3 In a preferred embodiment, the power assembly 64 includes a motor 65 mounted on a bracket 51, a driving gear 66 is coaxially fixedly connected to the output shaft of the motor 65, and a driven gear 67 meshing with the driving gear 66 is fixedly connected to the double-headed screw 63.

[0044] When in use, after the fixed plate 52 and the movable plate 53 clamp the inner stop bar 7, the motor 65 is started, the motor 65 drives the driving gear 66 to rotate, the driving gear 66 drives the driven gear 67 to rotate, and the driven gear 67 drives the double-headed screw 63 to rotate. The structure is simple and the transmission is ingenious.

[0045] To prevent the driving gear 66 and the driven gear 67 from being contaminated, please refer to Figure 3In a preferred embodiment, a dust cover 68 is provided on the outer sides of the driving gear 66 and the driven gear 67 .

[0046] During use and welding, a large amount of debris will be generated. Under the isolation effect of the dust cover 68, the possibility of the driving gear 66 and the driven gear 67 being contaminated is reduced, ensuring the normal transmission of the driving gear 66 and the driven gear 67.

[0047] To reduce production costs, please refer to Figure 3 In a preferred embodiment, the double-ended screw 63 is rotatably connected to the bracket 51 via a sleeve 69 .

[0048] When in use, the shaft sleeve 69 can be purchased directly, is easy to install, has low maintenance cost, and reduces production cost.

[0049] In order to better understand the present invention, the following Figure 1 - Figure 3 The working principle of the technical solution of the valve inner baffle welding device of the utility model is described in detail: align the flange hole 41 on the valve body 4 with the positioning rod 12 and slide it along the positioning rod 12. After the valve body 4 is slid to the predetermined position, tighten the two nuts 21 until the two nuts 21 are respectively pressed against the two sides of the valve body 4, and the valve body 4 is fixed. Use the clamping assembly 5 to clamp the two inner baffles 7, and use the pressing assembly 6 to press the two inner baffles 7 against the inner side of the valve body 4. Thereby, the positioning of the valve body 4 and the inner baffle 7 is realized. During the welding process, the valve body 4 and the inner baffle 7 are not easy to shake, which improves the production quality and production efficiency.

[0050] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A valve inner stopper welding device, used for positioning and welding the inner stopper of a valve body, characterized in that: include: A valve body positioning mechanism, the valve body positioning mechanism comprising a frame and a plurality of positioning rods arranged on the frame, the positioning rods being adapted to flange holes on the valve body; A valve body fixing mechanism, the valve body fixing mechanism comprising two nuts threadedly connected to the positioning rod, the two nuts respectively pressed against two sides of the valve body; and, The inner baffle positioning mechanism includes a clamping assembly and a pressing assembly arranged on the frame, the clamping assembly is used to clamp the two inner baffles, and the pressing assembly is used to press the two inner baffles against the inner wall of the valve body.

2. A valve inner stopper welding device according to claim 1, characterized in that: The clamping assembly includes a bracket arranged on a frame, a fixed plate is arranged on the bracket, a movable plate is connected to the bracket along the axial sliding direction of the valve body, and a locking assembly is arranged on the bracket, and the locking assembly is used to lock the movable plate and enable the movable plate and the fixed plate to clamp the inner stop strip.

3. A valve inner stopper welding device according to claim 2, characterized in that: The locking assembly comprises a screw rod threadedly connected to the fixed plate, and the screw rod is slidably arranged on the movable plate.

4. A valve inner stopper welding device according to claim 3, characterized in that: A handle is provided on the screw rod.

5. A valve inner stopper welding device according to claim 2, characterized in that: The fixed plate and the movable plate are both provided with elastic layers on their adjacent sides.

6. A valve inner stopper welding device according to claim 2, characterized in that: The clamping assembly includes two support rods connected to the bracket along the radial sliding direction of the valve body, the two fixed plates are respectively arranged on the two support rods, and a driving assembly is provided on the bracket, which is used to drive the two support rods to slide in opposite directions and press the two inner stop strips against the inner side of the valve body.

7. A valve inner stopper welding device according to claim 6, characterized in that: The driving assembly includes a double-ended screw rotatably connected to a bracket, the double-ended screw extends radially along the valve body, two ends of the double-ended screw respectively pass through two support rods and are threadedly connected to the two support rods, and a power assembly for driving the double-ended screw to rotate is provided on the bracket.

8. A valve inner stopper welding device according to claim 7, characterized in that: The power assembly comprises a motor arranged on a bracket, a driving gear is arranged on the output shaft of the motor, and a driven gear meshing with the driving gear is arranged on the double-headed screw rod.

9. A valve inner stopper welding device according to claim 8, characterized in that: Dust covers are arranged on the outer sides of the driving gear and the driven gear.

10. A valve inner stopper welding device according to claim 7, characterized in that: The double-headed screw rod is rotatably connected to the bracket via a shaft sleeve.

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