Cold rolling forming equipment for steel pipe

Abstract

The cold rolling forming equipment for the steel pipe comprises a machine body, a spraying assembly and a blowing assembly, and the spraying assembly comprises a first circular ring piece arranged outside a steel pipe body and a second circular ring piece arranged in the middle of the first circular ring piece; a flow gathering pipe used for gathering and distributing coating is arranged in the middle of the inner wall of the second circular ring piece, atomizing nozzles are annularly installed in the middle of the inner wall of the flow gathering pipe at equal intervals, a gear ring is fixedly installed in the middle of the outer end of the second circular ring piece, and a gear shaft used for driving the gear ring is rotationally arranged in the first circular ring piece. The spraying assembly is arranged outside the machine body, manual work can be replaced, the outer surface of a cold-rolled steel pipe body can be evenly sprayed, on one hand, the labor intensity of workers is reduced, and on the other hand, the overall machining efficiency is improved; and by arranging the blowing assembly outside the machine body, the sprayed coating can be blown and dried in time, and the overall quality of the steel pipe body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe production, in particular to cold rolling forming equipment for steel pipes. Background Art

[0002] Steel pipe is a steel material with a hollow cross section and a length much greater than its diameter or circumference. Steel pipes are divided into round, square, rectangular and special-shaped steel pipes according to the cross-sectional shape; they are divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes according to the material; they are divided into seamless steel pipes and welded steel pipes according to the production process, among which seamless steel pipes are divided into hot-rolled and cold-rolled (drawn) types, and welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes.

[0003] At present, after the steel pipe is produced, in order to make it applicable to different work scenes, the staff also need to perform cold rolling and shaping treatment on the steel pipe. However, since the existing cold rolling forming equipment for steel pipes generally does not have the function of spraying materials on the outer surface of the steel pipe, the staff have to manually spray the cold-rolled steel pipes in the later stage. On the one hand, it increases the labor intensity of the staff, and on the other hand, it reduces the overall processing efficiency. For this reason, a cold rolling forming equipment for steel pipes is provided. Utility Model Content

[0004] The utility model aims to provide a cold rolling forming device for steel pipes to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a cold rolling forming equipment for steel pipes, including a machine body, and also including: a spraying assembly for spraying the outer surface of the cold-rolled steel pipe body, and a spraying assembly for blowing and drying the sprayed paint, the spraying assembly includes a first circular ring member arranged outside the steel pipe body, and a second circular ring member arranged in the middle of the first circular ring member, the second circular ring member is rotatably connected to the first circular ring member through a bearing, a converging pipe for gathering and diverting the paint is arranged in the middle of the inner wall of the second circular ring member, atomizing nozzles are installed in an annular manner and at equal intervals in the middle of the inner wall of the converging pipe, a gear ring is fixedly installed in the middle of the outer end of the second circular ring member, a gear shaft for driving the gear ring is rotatably arranged inside the first circular ring member, a support plate is fixedly arranged on the outer end of the first circular ring member, a paint box and a pump body are respectively installed on both sides of the top of the support plate, a first telescopic pipe is arranged at the inlet end of the pump body, and a second telescopic pipe is arranged at the outlet end of the pump body.

[0006] Preferably, the focusing tube is annular, and a U-shaped clamp is provided on the outer wall of the focusing tube between two adjacent groups of the atomizing nozzles, and each of the U-shaped clamps is connected to the second circular ring.

[0007] Preferably, the gear shaft is meshed with the gear ring, the outer end of the gear shaft is connected and assembled to the output end of the external drive motor through a coupling, and a logic control module is installed on the outer wall of the first circular ring at the drive motor position for switching the direction of the output shaft of the drive motor, and the logic control module is electrically connected to the drive motor.

[0008] Preferably, one end of the second telescopic tube is connected to the focusing tube, and the other end of the second telescopic tube is connected and assembled with the outlet end of the pump body, one end of the first telescopic tube is connected and assembled with the inlet end of the pump body, and the other end of the first telescopic tube extends to the interior of the paint box, and a first support rod for supporting and fixing the first circular ring member is provided in the middle of the outer wall of the first circular ring member, one end of the first support rod is connected to the first circular ring member, and the other end of the first support rod is connected to the machine body.

[0009] Preferably, the blowing assembly includes a sleeve arranged outside the steel pipe body, and a gas collecting pipe arranged in the middle of the outer wall of the sleeve, and the interior of the sleeve is annularly and evenly spaced and detachably installed with gas collecting nozzles for discharging gas, and each of the gas collecting nozzles is connected to the gas collecting pipe.

[0010] Preferably, an induced draft tube is fixedly provided on the top of the outer wall of the air collecting pipe, a turbo fan is installed inside the induced draft tube, and a heating resistance wire for heating and raising the temperature of the gas is provided inside the induced draft tube below the turbo fan.

[0011] Preferably, the inner cavity of the induced draft tube, the inner cavity of the air collecting pipe, and the inner cavity of the air collecting nozzle are interconnected, and a second support rod for supporting and fixing the air collecting pipe is provided in the middle of the outer wall of the air collecting pipe, one end of the second support rod is connected to the air collecting pipe, and the other end of the second support rod is connected to the machine body.

[0012] The utility model provides a cold rolling forming equipment for steel pipes, which has the following advantages:

[0013] 1. The utility model can replace manual work to quickly and evenly spray the outer surface of the cold-rolled steel pipe body by arranging a spraying component on the outside of the machine body, which reduces the labor intensity of the staff on the one hand and improves the overall processing efficiency on the other hand.

[0014] 2. The utility model can timely blow and dry the sprayed paint by arranging a spraying component on the outside of the machine body, thereby improving the overall quality of the steel pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a partial structural sectional view of the utility model Figure 1 ;

[0018] Figure 3 This is a partial structural sectional view of the utility model Figure 2 ;

[0019] Figure 4 This is a partial structural sectional view of the utility model Figure 3 .

[0020] Explanation of the marks in the figure: 1. Machine body; 2. Spraying assembly; 201. First circular ring; 202. First support rod; 203. Second circular ring; 204. Atomizing nozzle; 205. Focusing tube; 206. U-shaped clamp; 207. Gear ring; 208. Bearing; 209. Driving motor; 210. Logic control module; 211. Gear shaft; 212. First telescopic tube; 213. Paint box; 214. Support plate; 215. Pump body; 216. Second telescopic tube; 3. Spraying assembly; 301. Sleeve; 302. Second support rod; 303. Air collecting tube; 304. Air duct; 305. Turbine fan; 306. Heating resistor wire; 307. Air collecting nozzle; 4. Steel pipe body. DETAILED DESCRIPTION

[0021] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not 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" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0025] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0026] In order to better understand the purpose, structure and function of the utility model, the utility model is further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1-4 As shown, a cold rolling forming equipment for steel pipes of the utility model includes a machine body 1 for cold rolling a steel pipe body 4. As the prior art, it is not described in detail in this case. The equipment also includes: a spraying component 2 for spraying the outer surface of the cold rolled steel pipe body 4, and a spraying component 3 for spraying and drying the sprayed paint.

[0028] Specifically, the spray assembly 2 includes a first circular ring 201 arranged outside the steel pipe body 4, and a second circular ring 203 arranged in the middle of the first circular ring 201. The second circular ring 203 is rotatably connected to the first circular ring 201 through a bearing 208. A focusing pipe 205 for gathering and diverting the paint is arranged in the middle of the inner wall of the second circular ring 203. The focusing pipe 205 is annular, and the middle of the inner wall of the focusing pipe 205 is annularly and evenly spaced with atomizing nozzles 204 installed therein for atomizing and spraying the paint inside the focusing pipe 205. The outer wall of the focusing pipe 205 is located between two adjacent groups of atomizing nozzles 204 and is provided with a U-shaped clamp 206 for concentrating the focusing pipe. 205 is limited and fastened, each U-shaped clamp 206 is connected to the second circular ring member 203, a gear ring 207 is fixedly installed in the middle of the outer end of the second circular ring member 203, and a gear shaft 211 for driving the gear ring 207 is arranged in an internal rotation of the first circular ring member 201, the gear shaft 211 is meshed with the gear ring 207, the outer end of the gear shaft 211 is connected and assembled with the output end of the external drive motor 209 through a coupling, and a logic control module 210 is installed on the outer wall of the first circular ring member 201 at the position of the drive motor 209, which is used to switch the direction of the output shaft of the drive motor 209, and the logic control module 210 is electrically connected to the drive motor 209.

[0029] Specifically, a support plate 214 is fixedly provided at the outer end of the first circular ring member 201, and a paint box 213 and a pump body 215 are respectively installed on both sides of the top of the support plate 214. Paint is stored in the paint box 213, and a first telescopic tube 212 is provided at the inlet end of the pump body 215 for extracting the paint in the paint box 213, and a second telescopic tube 216 is provided at the outlet end of the pump body 215 for injecting the extracted paint into the focusing tube 205. One end of the second telescopic tube 216 is connected to the focusing tube 205. The other end of the second telescopic tube 216 is connected and assembled with the outlet end of the pump body 215, one end of the first telescopic tube 212 is connected and assembled with the inlet end of the pump body 215, and the other end of the first telescopic tube 212 extends to the interior of the paint box 213, and a first support rod 202 for supporting and fixing the first circular ring member 201 is provided in the middle of the outer wall of the first circular ring member 201, one end of the first support rod 202 is connected to the first circular ring member 201, and the other end of the first support rod 202 is connected to the body 1.

[0030] Specifically, the blowing assembly 3 includes a sleeve 301 arranged outside the steel pipe body 4 for covering the gas, and a gas collecting pipe 303 arranged in the middle of the outer wall of the sleeve 301 for collecting and diverting the gas. The interior of the sleeve 301 is annular and equidistantly installed with gas collecting nozzles 307 for discharging the gas. Each gas collecting nozzle 307 is connected to the gas collecting pipe 303. An air induced draft tube 304 is fixedly arranged on the top of the outer wall of the air collecting pipe 303. A turbine fan 305 is installed inside the air induced draft tube 304 for External gas is introduced into the induced draft tube 304. A heating resistor 306 for heating the gas is arranged inside the induced draft tube 304 below the turbine fan 305. The inner cavity of the induced draft tube 304, the inner cavity of the gas collecting pipe 303 and the inner cavity of the gas collecting nozzle 307 are connected. A second support rod 302 for supporting and fixing the gas collecting pipe 303 is arranged in the middle of the outer wall of the gas collecting pipe 303. One end of the second support rod 302 is connected to the gas collecting pipe 303, and the other end of the second support rod 302 is connected to the machine body 1.

[0031] According to the above, the utility model sets a spraying component 2 on the outside of the machine body 1, which can replace manual work to quickly and evenly spray the outer surface of the cold-rolled steel pipe body 4, which on the one hand reduces the labor intensity of the staff and on the other hand improves the overall processing efficiency; the utility model sets a blowing component 3 on the outside of the machine body 1, which can timely blow and dry the sprayed paint to improve the overall quality of the steel pipe body 4.

[0032] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A cold rolling forming equipment for steel pipes, comprising a machine body (1), characterized in that: Also includes: A spraying assembly (2) for spraying the outer surface of a cold-rolled steel pipe body (4), and a blowing assembly (3) for blowing and drying the sprayed paint, wherein the spraying assembly (2) comprises a first circular ring (201) arranged outside the steel pipe body (4), and a second circular ring (203) arranged in the middle of the first circular ring (201), wherein the second circular ring (203) is rotatably connected to the first circular ring (201) via a bearing (208), and a converging pipe (205) for converging and diverting the paint is arranged in the middle of the inner wall of the second circular ring (203), and the inner wall of the converging pipe (205) is Atomizing nozzles (204) are installed in the middle of the ring at equal intervals, a gear ring (207) is fixedly installed in the middle of the outer end of the second circular ring (203), a gear shaft (211) for driving the gear ring (207) is rotatably arranged inside the first circular ring (201), a support plate (214) is fixedly arranged at the outer end of the first circular ring (201), a paint box (213) and a pump body (215) are respectively installed on both sides of the top end of the support plate (214), a first telescopic tube (212) is arranged at the inlet end of the pump body (215), and a second telescopic tube (216) is arranged at the outlet end of the pump body (215).

2. The cold rolling forming equipment for steel pipe according to claim 1, characterized in that: The focusing pipe (205) is annular, and a U-shaped clamp (206) is arranged on the outer wall of the focusing pipe (205) between two adjacent groups of the atomizing nozzles (204), and each of the U-shaped clamps (206) is connected to the second circular ring (203).

3. The cold rolling forming equipment for steel pipe according to claim 1, characterized in that: The gear shaft (211) is meshed with the gear ring (207), and the outer end of the gear shaft (211) is connected and assembled with the output end of the external drive motor (209) via a coupling. The outer wall of the first circular ring (201) is located at the position of the drive motor (209) and is equipped with a logic control module (210) for switching the direction of the output shaft of the drive motor (209). The logic control module (210) is electrically connected to the drive motor (209).

4. The cold rolling forming equipment for steel pipe according to claim 1, characterized in that: One end of the second telescopic tube (216) is connected to the focusing tube (205), and the other end of the second telescopic tube (216) is connected and assembled with the outlet end of the pump body (215); one end of the first telescopic tube (212) is connected and assembled with the inlet end of the pump body (215), and the other end of the first telescopic tube (212) extends to the inside of the paint box (213); a first support rod (202) for supporting and fixing the first circular ring member (201) is provided in the middle of the outer wall of the first circular ring member (201); one end of the first support rod (202) is connected to the first circular ring member (201), and the other end of the first support rod (202) is connected to the machine body (1).

5. The cold rolling forming equipment for steel pipe according to claim 1, characterized in that: The blowing assembly (3) comprises a sleeve (301) arranged outside the steel pipe body (4), and a gas collecting pipe (303) arranged in the middle of the outer wall of the sleeve (301), and the interior of the sleeve (301) is annularly and evenly spaced and detachably installed with gas collecting nozzles (307) for discharging gas, and each of the gas collecting nozzles (307) is connected to the gas collecting pipe (303).

6. The cold rolling forming equipment for steel pipe according to claim 5, characterized in that: An air induced draft tube (304) is fixedly arranged on the top of the outer wall of the air collecting pipe (303), a turbine fan (305) is installed inside the air induced draft tube (304), and a heating resistance wire (306) for heating and raising the temperature of the gas is arranged inside the air induced draft tube (304) below the turbine fan (305).

7. The cold rolling forming equipment for steel pipe according to claim 6, characterized in that: The inner cavity of the induced draft tube (304), the inner cavity of the air collecting pipe (303), and the inner cavity of the air collecting nozzle (307) are connected, and a second support rod (302) for supporting and fixing the air collecting pipe (303) is provided in the middle of the outer wall of the air collecting pipe (303), one end of the second support rod (302) is connected to the air collecting pipe (303), and the other end of the second support rod (302) is connected to the machine body (1).

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