Steel pipe anti-corrosion weld joint coating compensation device

Abstract

The utility model discloses a steel pipe anti-corrosion weld joint coating compensation device. The problem that an existing steel pipe anti-corrosion weld joint coating compensation device is complex in structure is mainly solved. The device is characterized by further comprising a branch pipe (3) which is connected with the conveying pipe, and a conveying pipe storage cavity (31) is formed in the branch pipe; the linear driver (4) is mounted on the conveying pipe; a part of the piston rod (41) extends into the discharging cavity, and a part of the piston rod (41) is connected with the linear driver. The utility model provides a steel pipe anti-corrosion weld joint coating compensation device which can be directly integrated on an extruder, and is simple in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing equipment field, concretely relates to a steel pipe anticorrosive weld joint coating compensation device. BACKGROUND

[0002] Steel pipe is the general metal material of conveying fluid, and it is adopted in large quantities in conveying oil, gas, water and other media. Because metal material is susceptible to the influence of external environment and internal medium in the use process, and shortens the service life. In order to prolong the service time of steel pipe, the commonly used method is: the external or internal corrosion protection treatment is carried out.

[0003] The compensation structure of the weld of the previous steel pipe, such as the Chinese patent of the authorized announcement day CN 103521398 B, adopts the mode that the compensation stick moves back and forth, and the overall structure is complex, and inconvenient to install. UTILITY MODEL CONTENT

[0004] In order to overcome the insufficient background art, the utility model provides a steel pipe anticorrosive weld joint coating compensation device, mainly solves the problem of complex structure of the current steel pipe anticorrosive weld joint coating compensation device.

[0005] The technical scheme of the utility model,

[0006] A steel pipe anticorrosive weld joint coating compensation device, including the extruding machine and the feeding device, the extruding machine includes the material conveying pipe, and the feeding device is used for steel pipe placement and conveys steel pipe, still includes

[0007] The branch pipe is connected with the material conveying pipe, and the material conveying pipe storage cavity is arranged in the branch pipe;

[0008] The linear driver is installed on the material conveying pipe;

[0009] The piston rod is partially inserted into the discharge cavity, and partially connected with the linear driver.

[0010] The branch pipe is integrally made with the material conveying pipe.

[0011] The linear driver is a hydraulic cylinder.

[0012] Further including the connecting piece, one end of the connecting piece is connected with the output shaft of the driving cylinder, and the other end is connected with the piston rod.

[0013] The wall of the connecting piece is provided with a flow channel, and the connecting piece is provided with a water inlet and a water outlet in communication with the flow channel.

[0014] The branch pipe includes a pipe body and a support installed on the pipe body, and the linear driver is installed on the support.

[0015] The support comprises a bottom plate and a connecting column, the connecting column is internally provided with a second flow channel, and the connecting column is provided with a water changing opening in communication with the second flow channel.

[0016] The steel pipe anti-corrosion welding seam coating compensation device can be directly integrated on an extruder, has simple structure and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses an embodiment structure schematic view.

[0018] Figure 2 For Figure 1 The enlarged schematic view of A in the middle.

[0019] Figure 3 For Figure 2 The enlarged schematic view of B in the middle. DETAILED DESCRIPTION

[0020] The utility model discloses an embodiment structure schematic view. The steel pipe anti-corrosion welding seam coating compensation device, including extruder 1 and feeding device 5, the extruder includes the feed pipe 2, the feeding device is used for steel pipe 51 place and convey steel pipe, still include branch pipe 3 with the feed pipe is connected, its inside is equipped with the feed pipe storage cavity 31, linear driver 4 is installed on the feed pipe, piston rod 41, part goes into the discharge cavity, part with linear driver is connected. Steel pipe is placed on the feeding device, and it can rotate steel pipe one side and convey forward one side, can adopt the structure of CN103521398 B, also can adopt CN 207401678 U Chinese patent, in addition, still be equipped with sensor 50 for sensing the position of weld, these are same with prior art, and a part will be stored in the storage cavity when the extruder discharges, when the sensor senses the weld, linear driver starts work, and the material of storage cavity is extruded, at this moment, the extrusion amount in unit time is improved in cooperation with extruder extrusion, and then realize the compensation to the weld.

[0021] In the embodiment, the branch pipe is integrally made with the feed pipe, as shown in the figure. It can be obtained by welding or casting.

[0022] In the embodiment, the linear driver is a hydraulic cylinder, as shown in the figure.

[0023] In the embodiment, as shown in the figure, a connecting piece 5 is further included, one end of the connecting piece is connected with the output shaft of the driving cylinder, and the other end is connected with the piston rod. The connecting piece can be connected with the piston rod and the output shaft through threads, and specifically, a threaded groove can be arranged on the piston rod, and an external thread is arranged on the connecting piece. Since the material extruded by the extruder has a high temperature, the hydraulic cylinder can be affected, and therefore the cooling system is used for cooling.

[0024] In the embodiment, as shown in the figure, a flow channel 51 is arranged on the wall of the connecting piece, and a water inlet 52 and a water outlet 53 are arranged on the connecting piece and communicate with the flow channel. The water outlet and the water inlet can be connected through a water pipe, and tap water can be directly connected or the water pump can be used.

[0025] In the embodiment, as shown in the figure, the branch pipe includes a pipe body and a support 31 arranged on the pipe body, and the linear driver is arranged on the support.

[0026] In the embodiment, as shown in the figure, the support includes a bottom plate 311 and a connecting column 312, a second flow channel 313 is arranged in the connecting column, and a water changing port 314 is arranged on the connecting column and communicates with the second flow channel. Multiple water changing ports can be arranged for water inlet and outlet, and the temperature rise can be further reduced.

[0027] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0029] The embodiments described with reference to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation on the utility model. The embodiments should not be regarded as a limitation on the utility model, but any improvement made on the basis of the spirit of the utility model should be within the protection scope of the utility model.

Claims

1. A coating compensation device for anti-corrosion weld seams of steel pipes, comprising an extruder (1) and a feeding device (5), wherein the extruder includes a conveying pipe (2), and the feeding device is used to place and convey steel pipes (51); characterized in that: Also includes Branch pipe (3) is connected to the conveying pipe, and its interior is provided with the material storage chamber (31) of the conveying pipe. A linear actuator (4) is mounted on the feed pipe; The piston rod (41) extends partly into the discharge chamber and is partially connected to the linear actuator.

2. The anti-corrosion weld coating compensation device for steel pipes according to claim 1, characterized in that: The branch pipe is integrally formed with the material conveying pipe.

3. A steel pipe anti-corrosion weld seam coating compensation device according to claim 2, characterized in that: The linear actuator is a hydraulic cylinder.

4. A steel pipe anti-corrosion weld seam coating compensation device according to claim 3, characterized in that: It also includes a connector (5), one end of which is connected to the output shaft of the drive cylinder and the other end is connected to the piston rod.

5. A steel pipe anti-corrosion weld seam coating compensation device according to claim 4, characterized in that: The connector has a flow channel (51) on its wall, and an inlet (52) and an outlet (53) communicating with the flow channel.

6. The anti-corrosion weld seam coating compensation device for steel pipes according to claim 5, characterized in that: The branch pipe includes a pipe body and a bracket (31) mounted on the pipe body, and the linear actuator is mounted on the bracket.

7. A steel pipe anti-corrosion weld seam coating compensation device according to claim 6, characterized in that: The support includes a base plate (311) and a connecting column (312). The connecting column is provided with a second flow channel (313) and a water exchange port (314) communicating with the second flow channel.

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