Cold drawing equipment for seamless steel pipe machining
By introducing structures such as water mist cleaning, gas drying, brush cleaning, and cloth curtain protection into the cold drawing equipment, the problem of dirt and debris falling off the surface of the steel pipe is solved, thereby improving the quality of seamless steel pipe cold drawing and the stability of equipment operation.
Patent Information
- Application Number
- CN202422390080.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-09-29
AI Technical Summary
During the cold drawing process of seamless steel pipes, dirt on the surface of the pipes affects the quality, and debris after cold drawing falls onto the traction trolley track, causing operational problems.
A cold drawing device was designed, comprising a processing ring, atomizing nozzle, air holes, brushes, a collection trough, a cloth curtain, and a cleaning plate. Through water mist cleaning, gas drying, brush cleaning, magnetic sheet collection of debris, and cloth curtain protection, the device ensures that the surface of the steel pipe is clean and reduces debris falling.
It effectively removes dirt and moisture from the surface of steel pipes, ensuring the quality of cold drawing and preventing debris from affecting the operation of the tractor, thus improving the working efficiency and stability of the cold drawing equipment.
Smart Images

Figure CN223588025U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of steel pipe processing, and specifically relates to a cold-drawing equipment for seamless steel pipe processing. BACKGROUND
[0002] Steel pipe is a kind of steel material with hollow section, and the length is greater than the diameter, and steel pipe is usually used for the transportation of gas or liquid, and the steel pipe is divided into seamless steel pipe and welded steel pipe according to production process, and in the processing of the seamless steel pipe, cold-drawing processing is usually used, the steel pipe is drawn through the cold-drawing machine, the steel pipe axis, the inner and outer mold axis and the core rod axis can be kept completely consistent, and therefore the product precision can be improved.
[0003] The cold-drawing machine can be divided into three-separate type and frame type according to the bed structure mode, and can be divided into chain type, hydraulic transmission type, rack type and screw type according to the transmission mode, the drawing trolley is supported by two I-shaped guide rails and is driven by a main oil cylinder to move along the I-shaped guide rail, the main oil cylinder and the drawing trolley can be axially fixed with the trolley body through an adjustable split type piston, when the steel pipe is drawn, the core rod is first inserted into the inner hole of the pipe, then the core head is installed, and then the steel pipe with the core head is pushed out of the drawing die seat.
[0004] In the cold-drawing operation process, the dirt on the surface of the steel pipe to be processed may affect the quality of the steel pipe after cold-drawing, and when the cold-drawn steel pipe comes out of the grinding tool, the generated debris will fall on the track of the traction trolley, and the normal operation of the traction trolley will be affected.
[0005] Therefore, the utility model provides a cold-drawing equipment for seamless steel pipe processing. UTILITY MODEL CONTENTS
[0006] In order to make up for the deficiencies of the prior art, at least one technical problem in the background art is solved.
[0007] The utility model discloses a cold-drawing equipment for seamless steel pipe processing which solves the technical problems thereof, and the technical scheme is as follows: the utility model discloses a cold-drawing equipment for seamless steel pipe processing, which comprises a workbench; a processing ring is fixedly connected to the top of the workbench; a plurality of atomizing nozzles are fixedly connected to the inner wall of the processing ring; a gas hole is arranged on one side of the atomizing nozzle; the gas hole is fixedly connected to the processing ring; an external water pipe is arranged on the top of the processing ring; an external air pipe is arranged on one side of the external water pipe; a cold-drawing device is fixedly connected to the middle of the workbench; before the steel pipe enters the cold-drawing equipment, it needs to go through a series of pretreatment steps. These steps include sending the steel pipe into the processing ring, connecting the external water pipe to the water source, and connecting the air pump to the external pneumatic device. Inside the processing ring, the atomizing nozzles start to work and spray a large amount of water mist, which uniformly covers the surface of the steel pipe, thereby realizing the comprehensive cleaning of the surface of the steel pipe. Through this way, the dirt and impurities on the surface of the steel pipe can be effectively removed. Then, the gas hole in the processing ring releases high-pressure gas, which aims at the surface of the steel pipe and rapidly blows away the water on the surface of the steel pipe, thereby ensuring that there is no water left on the surface of the steel pipe.
[0008] Preferably, one end of the spring is fixedly connected with a short plate, and a brush is fixedly arranged on the surface of the short plate. During work, the spring can clean the surface of the steel pipe of different sizes. When the steel pipe with a large diameter is encountered, the outer surface of the steel pipe has resistance to the brush, and the brush is extruded outward due to the resistance. However, the brush will not be damaged when it is extruded outward due to the action of the spring, and the friction between the brush and the steel pipe can be increased, so that the surface of the steel pipe can be better cleaned.
[0009] Preferably, receiving grooves are arranged on the two sides of the processing ring, the receiving grooves are arranged on the surface of the workbench, and a magnetic sheet is fixedly connected to one side of the receiving groove. During work, the sewage treated by the atomizing nozzles, the gas hole and the brush will be left on the workbench. The receiving grooves can collect the cleaned sewage in the receiving grooves. The sewage contains metal debris, and the magnetic sheet can guide the debris to move towards the receiving groove and be adsorbed on the magnetic sheet. In this way, the metal debris can be separated from the sewage.
[0010] Preferably, a roller shutter block is arranged at one end of the receiving groove, a curtain is fixedly connected to one side of the roller shutter block, a fixed block is connected to one end of the curtain, and a towing vehicle is fixedly connected to one side of the fixed block. During work, the processed steel pipe is pulled out by the towing vehicle. The fixed block on the towing vehicle is connected with the curtain, and the towing vehicle can drive the curtain to move when it is pulled. The curtain can cover the top of the workbench along with the towing vehicle, so that the processed steel pipe and the workbench can be well isolated, and the debris of the processed steel pipe can be reduced to fall on the surface of the workbench.
[0011] Preferably, the curtain bottom is provided with a track fixedly connected to the workbench, the track top is in sliding connection with the towing vehicle, the towing vehicle side is fixedly connected with a crossbar, and the crossbar bottom is clamped with a cleaning plate; during work, the cleaning plate moves with the towing vehicle to clean the track, and the crossbar fixes the cleaning plate, so that the cleaning plate is convenient to replace and the stability of the cleaning plate is improved; the cleaning plate can clean the track before the towing vehicle passes, so that the towing vehicle is not blocked by sundries on the track, and the towing vehicle operates more smoothly.
[0012] Preferably, the workbench two sides are fixedly clamped with a protection plate, and the workbench middle part is slightly higher than the two sides; during work, in order to reduce the sewage after cleaning from flowing to the outside along the edge of the workbench, the protection plate is added to enclose the sewage on the workbench, so that the sewage is convenient to clean, and the workbench surface is slightly curved to effectively guide the water flow into the receiving groove at the edge.
[0013] The utility model has the advantages that:
[0014] 1. The cold-drawing equipment for seamless pipe machining, the water mist sprayed by the atomizing nozzle not only covers most of the area of the surface of the steel pipe, but also is sprayed on the brush due to the diffusion of the water mist. This not only cleans the surface of the steel pipe in a large area, but also cleans the brush itself. By using the air pump, the air hole can spray strong gas, effectively dispersing the water on the surface of the steel pipe and reducing the accumulation of water on the surface of the steel pipe. In this way, after the steel pipe is cleaned and dried, the surface becomes clean and free of water, fully preparing for the next cold-drawing process. Finally, the brush cleans the surface of the steel pipe, thereby ensuring the quality of the steel pipe and the smooth progress of the cold-drawing process.
[0015] 2. The cold-drawing equipment for seamless pipe machining, the fixed block on the towing vehicle is connected with a curtain, and the curtain moves when the towing vehicle pulls; the curtain covers the top of the workbench with the towing vehicle, which can effectively isolate the processed steel pipe from the workbench and prevent the processed steel pipe from falling debris on the surface of the workbench. At the same time, the track is also protected, reducing the impact of debris falling on the track on the operation of the towing vehicle. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be further described below with reference to the drawings.
[0017] Figure 1 is the perspective view of the utility model;
[0018] Figure 2 is a structure schematic view of the cleaning plate in the utility model;
[0019] Figure 3It is the structural schematic view of the processing ring in the utility model;
[0020] Figure 4 It is the structural schematic view of the workbench in the utility model;
[0021] Figure 5 It is the structural schematic view of the rolling curtain block in the utility model;
[0022] In the drawing: 1, workbench;11, processing ring;12, atomizing nozzle;13, air hole;14, external water pipe;15, external air pipe;16, cold drawing device;2, spring;21, short plate;22, brush;3, storage groove;31, magnetic sheet;4, rolling curtain block;41, cloth curtain;42, fixed block;5, towing vehicle;51, track;52, cross strip;53, cleaning plate;6, protection plate. DETAILED DESCRIPTION
[0023] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] As Figures 1 to 3 Indicated, the utility model embodiment described a kind of cold-drawing equipment for seamless steel pipe processing, including workbench 1;The workbench 1 top is fixedly connected with processing ring 11, the processing ring 11 inner wall is fixedly connected with multiple atomizing nozzles 12, the atomizing nozzle 12 side is equipped with air hole 13, the air hole 13 is fixedly connected with processing ring 11, the processing ring 11 top is equipped with external water pipe 14, the external water pipe 14 side is equipped with external air pipe 15, the workbench 1 middle part is fixedly connected with cold drawing device 16, in this processing, atomizing nozzle 12 sprays water mist not only covers most of the area of steel pipe surface, which carries out large-area cleaning to steel pipe surface, by using air pump access external air pipe 15, so that air hole 13 can spray strong gas, effectively disperses water on the surface of steel pipe, reduces the accumulation of water on the surface of steel pipe, in this way, steel pipe becomes clean and no water after cleaning and drying Residues, fully prepare for the following cold-drawing procedure.
[0025] As Figure 3As shown, the air hole 13 side fixedly connected with spring 2, one end of the spring 2 fixedly connected with short plate 21, the short plate 21 surface fixedly provided with brush 22, spring 2 in this device plays a key role, it ensures that can adapt to the surface cleaning work of various size steel pipe, in the face of larger diameter steel pipe, the outer wall of the steel pipe will produce resistance to brush 22, resulting in brush 22 is extruded outward, thanks to the spring force of spring 2, brush 22 is protected when extruded, reduce damage, in addition, the presence of spring 2 also enhances the friction between brush 22 and steel pipe, so that more effectively remove the dirt on the surface of the steel pipe.
[0026] As shown in Figure 4 the processing ring 11 both sides are provided with receiving groove 3, the receiving groove 3 is opened in the surface of the workbench 1, the receiving groove 3 side fixedly connected with magnetic sheet 31, sewage treated by atomizing nozzle 12, air hole 13 and brush 22 will stay on the workbench 1, by setting receiving groove 3, can effectively collect the cleaned sewage. These sewage contains metal debris, can guide the debris to move in the direction of receiving groove 3 and adsorbed on the magnetic sheet 31; in this way, the metal debris can be separated from the sewage, as far as possible to keep the workbench 1 clean.
[0027] As shown in Figures 4 to 5 the receiving groove 3 one end is provided with roller shutter block 4, the roller shutter block 4 side fixedly connected with cloth curtain 41, the cloth curtain 41 one end clamped with fixed block 42, the fixed block 42 side fixedly connected with tractor 5, cloth curtain 41 will cover the top of workbench 1 with tractor 5, can well isolate the processed steel pipe and workbench 1, reduce the falling debris of processed steel pipe to the surface of workbench 1.
[0028] As shown in Figure 5 the cloth curtain 41 bottom is provided with track 51, the track 51 is fixedly connected on the workbench 1, the track 51 top and tractor 5 slidingly connected, the tractor 5 side fixedly connected with horizontal bar 52, the horizontal bar 52 bottom clamped with cleaning plate 53, cleaning plate 53 moves with the tractor 5, executes cleaning task on the track 51, horizontal bar 52 fixes the cleaning plate 53, not only facilitates the replacement of cleaning plate 53, but also enhances its stability, cleaning plate 53 cleans the track 51 before the tractor 5 passes through, which helps to reduce the jam of tractor 5 caused by the sundries on the track 51, so that the operation of tractor 5 is more smooth.
[0029] As shown in Figures 1 to 2As shown, the workbench 1 both sides fixed clamping has the guard board 6, the workbench 1 middle part is slightly higher than both sides, in order to reduce the sewage after cleaning along the workbench 1 edge overflow, additional guard board 6, sewage is limited on the workbench 1, facilitate subsequent cleaning. Workbench 1 surface design into slightly curved shape, can effectively guide the water flow to the edge of the storage tank 3 in.
[0030] Working principle: in the work, steel pipe before entering the cold drawing equipment, first need to go through a series of pretreatment steps. These steps include the steel pipe into the processing ring 11, ensure that the external water pipe 14 is connected to the water source, while connecting the air pump to the external pneumatic device. In the processing ring 11 inside, atomizing nozzle 12 starts to work, spray a large amount of water mist, these water mist evenly covers the surface of the steel pipe, so as to realize the overall cleaning of the steel pipe surface. In this way, the dirt and impurities on the surface of the steel pipe can be effectively removed. Then, the air hole 13 in the processing ring 11 will release high pressure gas, which aims at the surface of the steel pipe, quickly blows away the water adhering to the surface of the steel pipe, ensuring that there is no water residue on the surface of the steel pipe. This process not only improves the cleaning efficiency, but also creates good conditions for the subsequent processing steps. After the water is removed, the brush 22 starts to work, and the spring 2 is used to clean the surface of the steel pipe. When the diameter of the steel pipe is larger, the outer surface of the steel pipe has resistance to the brush 22, which is extruded outward. Due to the action of the spring 2, the brush 22 will not be damaged when it is extruded outward, and the friction between the brush 22 and the steel pipe can be increased to better clean the surface of the steel pipe. The sewage treated by the atomizing nozzle 12, air hole 13 and brush 22 will be left on the workbench 1. The storage tank 3 is opened to collect the cleaned sewage in the storage tank 3. The magnetic sheet 31 can guide the water containing debris to flow to the storage tank 3. The curtain 41 will cover the top of the workbench 1 with the tractor 5, which can effectively separate the processed steel pipe from the workbench 1 and reduce the falling debris on the surface of the workbench 1. The cleaning plate 53 moves with the tractor 5 and cleans on the track 51. The horizontal strip 52 is used to fix the cleaning plate 53, which is convenient to replace and increases the stability of the cleaning plate 53. The cleaning plate 53 cleans the track 51 before the tractor 5 passes, which can reduce the jamming of the tractor 5 due to debris on the track 51, so that the tractor 5 operates more smoothly. In order to reduce the sewage after cleaning along the edge of the workbench 1, the guard board 6 is added to enclose the sewage on the workbench 1 for easy cleaning. The surface of the workbench 1 is slightly curved, which can effectively guide the water flow to the storage tank 3 at the edge.
[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A cold drawing device for processing seamless steel pipes, comprising a worktable (1); characterized in that: A processing ring (11) is fixedly connected to the top of the workbench (1). Multiple atomizing nozzles (12) are fixedly connected to the inner wall of the processing ring (11). An air hole (13) is provided on one side of the atomizing nozzle (12). The air hole (13) is fixedly connected to the processing ring (11). An external water pipe (14) is provided on the top of the processing ring (11). An external air pipe (15) is provided on one side of the external water pipe (14). A cold drawing device (16) is fixedly connected to the middle of the workbench (1).
2. The cold drawing equipment for processing seamless steel pipes according to claim 1, characterized in that: A spring (2) is connected to one side of the air hole (13). The spring (2) is fixedly connected to the processing ring (11). A short plate (21) is fixedly connected to one end of the spring (2). A brush (22) is fixedly provided on the surface of the short plate (21).
3. The cold drawing equipment for processing seamless steel pipes according to claim 2, characterized in that: The processing ring (11) has storage slots (3) on both sides. The storage slots (3) are opened on the surface of the workbench (1). A magnetic sheet (31) is fixedly connected to one side of the storage slots (3).
4. The cold drawing equipment for processing seamless steel pipes according to claim 3, characterized in that: The storage slot (3) has a roller shutter block (4) at one end, a curtain (41) is fixedly connected to one side of the roller shutter block (4), a fixing block (42) is snapped onto one end of the curtain (41), and a tractor (5) is fixedly connected to one side of the fixing block (42).
5. The cold drawing equipment for processing seamless steel pipes according to claim 4, characterized in that: The bottom of the curtain (41) is provided with a track (51), the track (51) is fixedly connected to the workbench (1), the top of the track (51) is slidably connected to the tractor (5), a horizontal bar (52) is fixedly connected to one side of the tractor (5), and a cleaning plate (53) is snapped into the bottom of the horizontal bar (52).
6. The cold drawing equipment for processing seamless steel pipes according to claim 5, characterized in that: Protective plates (6) are fixedly attached to both sides of the workbench (1), and the middle of the workbench (1) is slightly higher than the sides.