Corrugated pipe valve rod and corrugated pipe welding operation structure

Abstract

The utility model relates to a corrugated pipe valve rod and corrugated pipe welding operation structure which comprises a clamping tool, a welding device is arranged on one side of the clamping tool, the clamping tool comprises a tool bottom plate, and a chuck, a roller support set and a pressing mechanism are arranged on the tool bottom plate. The chuck is located at the end of the tool bottom plate. The roller support set is located in the middle of the tool bottom plate and comprises symmetrically-arranged roller supports, each roller support comprises a bottom plate installed on the tool bottom plate, a vertical plate is fixedly installed on the bottom plate, a roller plate is installed on the vertical plate, and a pair of rollers is installed on the roller plate. The pressing mechanism comprises a pressing air cylinder, and the piston end of the pressing air cylinder is vertically downward and provided with a pressing block. The rotating automation and the rotating precision of the valve rod can be ensured, the operation is simple, and the large-scale production efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of bellows valve production, and relates to a bellows valve stem and a bellows welding operation structure. Background Art

[0002] The bellows and stem of the regulating valve are usually welded by manual argon arc welding. Manual welding of small-diameter valve stems and bellows is prone to welding defects such as undercut, pores, and incomplete penetration. Since the valve stem cannot be rotated accurately manually, the coaxiality deviation of the valve stem exceeds the allowable range, and the valve stem is prone to jamming and scratching during the subsequent assembly process. In addition, manual argon arc welding requires experienced welders to perform welding, which is not efficient. Summary of the invention

[0003] The utility model aims to provide a bellows valve stem and bellows welding operation structure, which can solve the above problems and is easy to operate.

[0004] According to the technical solution provided by the utility model: a bellows valve stem and bellows welding operation structure, including a clamping tool, a welding device is provided on one side of the clamping tool, the clamping tool includes a tool base plate, a chuck, a roller bracket group, and a clamping mechanism are provided on the tool base plate; the chuck is located at the end of the tool base plate; the roller bracket group is located in the middle of the tool base plate, the roller bracket group includes symmetrically arranged roller brackets, the roller brackets include a base plate installed on the tool base plate, a vertical plate is fixedly installed on the base plate, a roller plate is installed on the vertical plate, and a pair of rollers are installed on the roller plate; the clamping mechanism includes a clamping cylinder, the piston end of the clamping cylinder is vertically downward and a clamping block is installed.

[0005] As a further improvement of the utility model, the chuck adopts a pneumatic chuck.

[0006] As a further improvement of the utility model, the base plate is connected to the tooling base plate by bolts, and a horizontal adjustment waist groove is provided on the base plate along the length direction of the tooling base plate, and the middle part of the bolt is located in the horizontal adjustment waist groove.

[0007] As a further improvement of the present invention, the roller plate is connected to the vertical plate by bolts, a vertical adjustment waist groove is provided on the roller plate, and the middle part of the bolt is located in the vertical adjustment waist groove.

[0008] As a further improvement of the utility model, the cylinder body of the clamping cylinder is installed between the two roller brackets through a clamping device bracket.

[0009] As a further improvement of the utility model, the clamping device bracket is connected to the tooling base plate by bolts, and a horizontal adjustment waist groove is provided on the clamping device bracket along the length direction of the tooling base plate, and the middle part of the bolt is located in the horizontal adjustment waist groove.

[0010] As a further improvement of the utility model, the welding equipment includes a welding machine and an automatic wire feeder. A welding head is installed on the welding machine, the welding head is located on the side of the clamping tooling, and the automatic wire feeder provides welding wire for the welding machine.

[0011] As a further improvement of the present invention, the welding machine adopts a fiber laser welding machine.

[0012] The positive effects of this application are:

[0013] The utility model can ensure the rotation automation and rotation accuracy of the valve stem, is easy to operate, and has high large-scale production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the clamping tooling of the utility model.

[0016] Figure 1-Figure 2 It includes a welding machine 2, a clamping tool 5, a chuck 5-1, a roller bracket 5-2, a base plate 5-21, a vertical plate 5-22, a roller plate 5-23, a roller 5-24, a tool base plate 5-3, a bellows 9, a valve stem 10, an automatic wire feeder 11, etc. DETAILED DESCRIPTION

[0017] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0018] In order to enable those skilled in the art to better understand the solution of the utility model, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described herein. In addition, similar terms such as "including" and "having" mean that in addition to those contents already listed in "including" and "having", other contents that have not been listed can also be "included" and "having"; for example, a process, method, system, product or device that can include a series of steps or units is not necessarily limited to those steps or units that have been clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0020] Due to the angle of the drawing, some components may not be drawn, but their positions and connection relationships can be partially understood based on the text expression.

[0021] like Figure 1 As shown, the utility model is a bellows valve stem and bellows welding operation structure, including a clamping tool 5, and a welding device is arranged on one side of the clamping tool 5.

[0022] like Figure 2 As shown, the clamping tool 5 includes a tool base plate 5-3, on which a chuck 5-1, a roller bracket group, and a clamping mechanism are provided; the chuck 5-1 is located at the end of the tool base plate 5-3, and the chuck 5-1 adopts a pneumatic chuck with a high degree of automation; the roller bracket group is located in the middle of the tool base plate 5-3, and the roller bracket group includes symmetrically arranged roller brackets 5-2, and the roller bracket 5-2 includes a base plate 5-21 installed on the tool base plate 5-3, a vertical plate 5-22 is fixedly installed on the base plate 5-21, a roller plate 5-23 is installed on the vertical plate 5-22, and a pair of rollers 5-24 are installed on the roller plate 5-23; the clamping mechanism includes a clamping cylinder 5-5, and the cylinder body of the clamping cylinder 5-5 is installed between the two roller brackets 5-2 through the clamping device bracket 5-4, and the piston end of the clamping cylinder 5-5 is vertically downward and a clamping block is installed.

[0023] In order to adapt to bellows valves of different specifications, the bottom plate 5-21 is connected to the tooling bottom plate 5-3 by bolts. A horizontal adjustment waist groove is provided on the bottom plate 5-21 along the length direction of the tooling bottom plate 5-3, and the middle of the bolt is located in the horizontal adjustment waist groove. The roller plate 5-23 is connected to the vertical plate 5-22 by bolts. A vertical adjustment waist groove is provided on the roller plate 5-23, and the middle of the bolt is located in the vertical adjustment waist groove. The clamping device bracket 5-4 is connected to the tooling bottom plate 5-3 by bolts. A horizontal adjustment waist groove is provided on the clamping device bracket 5-4 along the length direction of the tooling bottom plate 5-3, and the middle of the bolt is located in the horizontal adjustment waist groove.

[0024] The welding equipment includes a welding machine 2 and an automatic wire feeder 11 . A welding head 6 is installed on the welding machine 2 . The welding head 6 is located on a side of the clamping fixture 5 . The automatic wire feeder 11 provides welding wire for the welding machine 2 .

[0025] Welder 2 uses a fiber laser welder, which has a high degree of flexibility.

[0026] The working process of the utility model is as follows:

[0027] Step 1: After the bellows 9 and the valve stem 10 are assembled, the valve stem 10 is placed between the rollers 5-24, the end of the valve stem 10 is clamped on the chuck 5-1, and the pressing cylinder 5-5 presses the valve stem 10 downward;

[0028] Step 2: The welding head 6 moves to the welding end of the bellows 9 and the valve stem 10, the welding wire is placed on the surface of the welding end, the laser heats the welding wire, the chuck 5-1 drives the valve stem 10 to rotate one circle, and the valve stem 10 and the bellows 9 are fused together through the welding wire.

[0029] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A bellows valve stem and bellows welding operation structure, comprising a clamping tool (5), one side of the clamping tool (5) is provided with welding equipment, characterized in that: The clamping tool (5) comprises a tool base plate (5-3), on which a chuck (5-1), a roller bracket group, and a clamping mechanism are provided; the chuck (5-1) is located at the end of the tool base plate (5-3); the roller bracket group is located in the middle of the tool base plate (5-3), the roller bracket group comprises symmetrically arranged roller brackets (5-2), the roller brackets (5-2) comprise a base plate (5-21) mounted on the tool base plate (5-3), a vertical plate (5-22) fixedly mounted on the base plate (5-21), a roller plate (5-23) mounted on the vertical plate (5-22), and a pair of rollers (5-24) mounted on the roller plate (5-23); the clamping mechanism comprises a clamping cylinder (5-5), the piston end of the clamping cylinder (5-5) is vertically downward and is equipped with a clamping block.

2. The bellows valve stem and bellows welding operation structure according to claim 1, characterized in that: The chuck (5-1) is a pneumatic chuck.

3. The bellows valve stem and bellows welding operation structure according to claim 1, characterized in that: The bottom plate (5-21) is connected to the tooling bottom plate (5-3) by means of bolts; a horizontal adjustment waist groove is provided on the bottom plate (5-21) along the length direction of the tooling bottom plate (5-3); the middle of the bolt is located in the horizontal adjustment waist groove.

4. The bellows valve stem and bellows welding operation structure according to claim 1, characterized in that: The roller plate (5-23) is connected to the vertical plate (5-22) via bolts, and a vertical adjustment waist groove is provided on the roller plate (5-23), and the middle part of the bolt is located in the vertical adjustment waist groove.

5. The bellows valve stem and bellows welding operation structure according to claim 1, characterized in that: The cylinder body of the clamping cylinder (5-5) is installed between the two roller brackets (5-2) through the clamping device bracket (5-4).

6. The bellows valve stem and bellows welding operation structure according to claim 5, characterized in that: The clamping device bracket (5-4) is connected to the tooling base plate (5-3) via bolts; a horizontal adjustment waist groove is provided on the clamping device bracket (5-4) along the length direction of the tooling base plate (5-3); the middle of the bolt is located in the horizontal adjustment waist groove.

7. The bellows valve stem and bellows welding operation structure according to claim 1, characterized in that: The welding equipment comprises a welding machine (2) and an automatic wire feeder (11); a welding head (6) is installed on the welding machine (2); the welding head (6) is located on the side of the clamping tool (5); and the automatic wire feeder (11) provides welding wire for the welding machine (2).

8. The bellows valve stem and bellows welding operation structure according to claim 7, characterized in that: The welding machine (2) is a fiber laser welding machine.

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