Steel pipe and production equipment and production method thereof

Abstract

The invention relates to steel pipe production, in particular to a steel pipe and production equipment and a production method thereof.The steel pipe comprises an inserted steel pipe and a coated steel pipe, the coated steel pipe is fixedly connected to one end of the inserted steel pipe, and the inserted steel pipe on one steel pipe can be inserted into the coated steel pipe on the other steel pipe; the invention discloses a steel pipe production method. The method comprises the following steps that firstly, a steel belt I and a steel belt II are placed on a placing support; secondly, the two pressing rollers extrude the steel belt I, the sliding sleeve is coated with the steel belt I, and the welding mechanism II and the welding mechanism I weld the steel belt I to form an inserted steel pipe; and thirdly, the position of the steel belt II is moved, so that the edge of the steel belt II can be pressed on the inserted steel pipe, the two pressing rollers extrude the steel belt II, the steel belt II wraps the sliding sleeve with the diameter larger than that of the sliding sleeve at the wrapping position of the steel belt I and the inserted steel pipe, and the welding mechanism II and the welding mechanism I weld the steel belt II to form the wrapped steel pipe.

Description

Technical Field

[0001] The present invention relates to steel pipe production, and more particularly to a steel pipe and a production device and method thereof. Background Art

[0002] There are mainly the following methods for producing steel pipes: hot rolling method; cold rolling method; welding method; seamless pipe method; casting method; among them, the welding method joins the edges of the steel strip together by electric welding or other welding methods to form a steel pipe; for example, publication number CN217890470U discloses a steel pipe production equipment for robots, and the axial transportation component shortens the transportation time of the steel pipe, and there is no need to manually transport the steel pipe as in the prior art, thereby improving the overall efficiency of the steel pipe production equipment; however, the disadvantage of this patent is that it is impossible to prepare a steel pipe that can be automatically positioned and connected during splicing, which is convenient for splicing. Summary of the invention

[0003] The object of the present invention is to provide a steel pipe and a production device and a production method thereof, which can prepare a conveniently spliced ​​steel pipe that can automatically position and connect during splicing.

[0004] The purpose of the present invention is achieved through the following technical solutions:

[0005] A steel pipe production equipment comprises a bracket, a support mechanism is connected to the bracket, a welding mechanism I is arranged inside the support mechanism, a welding mechanism II is arranged outside the support mechanism, a pressing mechanism is fixedly connected to the bottom of the bracket, a plurality of steel strips can be placed on the pressing mechanism, and the pressing mechanism can press the steel strips on the support mechanism to form a steel pipe;

[0006] The support mechanism includes a support plate, the support plate is rotatably connected to the bracket, a power mechanism I for driving the support plate to rotate is fixedly connected to the bracket, a support sleeve is fixedly connected to the support plate, a plurality of mutually sleeved sliding sleeves are slidably connected to the support sleeve, the plurality of sliding sleeves are respectively fixedly connected to the telescopic ends of the plurality of telescopic mechanisms I, the telescopic mechanisms I are sequentially fixedly connected to the support sleeve and the sliding sleeve at corresponding positions, and welding ports are provided on the support sleeve and the plurality of sliding sleeves;

[0007] The welding mechanism I comprises a rotating disk, which is rotatably connected to a bracket, a power mechanism II for driving the rotating disk to rotate is fixedly connected to the bracket, a sliding bracket I is fixedly connected to the rotating disk, a screw rod I is rotatably connected to the sliding bracket I, a power mechanism III for driving the screw rod I to rotate is fixedly connected to the sliding bracket I, a sliding seat I is slidably connected to the sliding bracket I, the sliding seat I is threadedly connected to the screw rod I, a telescopic mechanism II is fixedly connected to the sliding seat I, and a welding head I is fixedly connected to the telescopic end of the telescopic mechanism II;

[0008] The welding mechanism II comprises a sliding bracket II, the sliding bracket II is fixedly connected to the bracket, a screw rod II is rotatably connected to the sliding bracket II, a power mechanism IV for driving the screw rod II to rotate is fixedly connected to the sliding bracket II, a sliding seat II is slidably connected to the sliding bracket II, the sliding seat II is connected to the screw rod II by threads, a telescopic mechanism III is fixedly connected to the sliding seat II, and a welding head II is fixedly connected to the telescopic end of the telescopic mechanism III;

[0009] The material pressing mechanism includes a telescopic mechanism IV, which is fixedly connected to the bracket, a support plate is fixedly connected to the telescopic end of the telescopic mechanism IV, a plurality of telescopic mechanisms V are fixedly connected to the support plate, and a placement bracket is fixedly connected to the telescopic end of the telescopic mechanism V;

[0010] The upper end surface of the placement bracket is a magnetic surface capable of adsorbing the steel strip;

[0011] The placing bracket is fixedly connected to two telescopic mechanisms VI, the telescopic ends of the two telescopic mechanisms VI are fixedly connected to telescopic mechanisms VII, and the telescopic ends of the two telescopic mechanisms VII are fixedly connected to pressing rollers;

[0012] The steel strip is placed on a placement bracket, and two pressing rollers can squeeze the steel strip so that the steel strip is covered on a support sleeve or a sliding sleeve to form a steel pipe;

[0013] A steel pipe, comprising an inserted steel pipe and a covered steel pipe, wherein the covered steel pipe is fixedly connected to one end of the inserted steel pipe, and the inserted steel pipe on one steel pipe can be inserted into the covered steel pipe on another steel pipe;

[0014] A method for producing a steel pipe, the method comprising the following steps:

[0015] Step 1: Place steel belt I and steel belt II on the placement bracket;

[0016] Step 2: Two pressing rollers squeeze the steel strip I, the steel strip I is covered on the sliding sleeve, and the welding mechanism II and the welding mechanism I weld the steel strip I to form an inserted steel pipe;

[0017] Step 3: Move the position of steel strip II so that the edge of steel strip II can be pressed on the inserted steel pipe, two pressing rollers squeeze steel strip II, and steel strip II is coated on the sliding sleeve whose diameter is larger than the sliding sleeve at the coating position of steel strip I and the inserted steel pipe, and welding mechanism II and welding mechanism I weld steel strip II to form a coated steel pipe;

[0018] Step 4: Welding mechanism II and welding mechanism I weld the connection positions of the inserted steel pipe and the covered steel pipe to form a steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a schematic diagram of the steel pipe and steel pipe splicing of the present invention;

[0021] Figure 2 It is a schematic diagram of the steel pipe structure of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the steel pipe production equipment of the present invention;

[0023] Figure 4 is a side view of the steel pipe production equipment of the present invention;

[0024] Figure 5 It is a schematic diagram of the support mechanism structure of the present invention;

[0025] Figure 6 is a cross-sectional view of the support mechanism of the present invention;

[0026] Figure 7 It is a structural schematic diagram of the welding mechanism I of the present invention;

[0027] Figure 8 It is a structural schematic diagram of the welding mechanism II of the present invention;

[0028] Fig. 9 It is a schematic structural diagram of the material pressing mechanism of the present invention;

[0029] Fig.10 It is a schematic structural diagram of the material pressing mechanism of the present invention;

[0030] Fig.11 It is a schematic structural diagram of the material pressing mechanism of the present invention.

[0031] In the figure: inserted steel pipe 11; covered steel pipe 12; bracket 21; supporting mechanism 30; supporting plate 31; supporting sleeve 32; sliding sleeve 33; telescopic mechanism I 34; welding port 35; welding mechanism I 40; rotating plate 41; sliding bracket I 42; screw rod I 43; sliding seat I 44; telescopic mechanism II 45; welding head I 46; welding mechanism II 50; sliding bracket II 51; screw rod II 52; sliding seat II 53; telescopic mechanism III 54; welding head II 55; pressing mechanism 60; telescopic mechanism IV 61; supporting plate 62; telescopic mechanism V 63; placing bracket 64; telescopic mechanism VI 65; telescopic mechanism VII 66; pressing roller 67; steel belt I 71; steel belt II 72. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below with reference to the accompanying drawings.

[0033] like Figure 1 and Figure 2 As shown, the structure and function of the steel pipe are described in detail below;

[0034] A steel pipe, comprising an inserted steel pipe 11 and a covered steel pipe 12, wherein the covered steel pipe 12 is fixedly connected to one end of the inserted steel pipe 11, and the inserted steel pipe 11 on one steel pipe can be inserted into the covered steel pipe 12 on another steel pipe;

[0035] like Figure 1 As shown, when two steel pipes need to be spliced, it is only necessary to insert the inserted steel pipe 11 of one steel pipe into the covered steel pipe 12 on the other steel pipe, and the splicing of the two steel pipes can be completed for convenient use;

[0036] A method for producing a steel pipe, the method comprising the following steps:

[0037] Step 1: placing the steel belt I 71 and the steel belt II 72 on the placement bracket 64;

[0038] Step 2: two nip rollers 67 squeeze the steel strip I 71, the steel strip I 71 is covered on the sliding sleeve 33, and the welding mechanism II 50 and the welding mechanism I 40 weld the steel strip I 71 to form the inserted steel pipe 11;

[0039] Step 3: Move the position of the steel strip II 72 so that the edge of the steel strip II 72 can be pressed on the inserted steel pipe 11, and the two pressing rollers 67 squeeze the steel strip II 72, and the steel strip II 72 is coated on the sliding sleeve 33 whose diameter is larger than the sliding sleeve 33 at the coating position of the steel strip I 71 and the inserted steel pipe 11, and the welding mechanism II 50 and the welding mechanism I 40 weld the steel strip II 72 to form the coated steel pipe 12;

[0040] Step 4: The welding mechanism II50 and the welding mechanism I40 weld the connection positions of the inserted steel pipe 11 and the covered steel pipe 12 to form a steel pipe.

[0041] like Figures 3 to 11 As shown, in order to achieve the technical effect of "being able to prepare a conveniently spliced ​​steel pipe that can automatically position and connect during splicing", the structure and function of the steel pipe production equipment are described in detail below;

[0042] A steel pipe production equipment, comprising a bracket 21, a support mechanism 30 is connected to the bracket 21, a welding mechanism I 40 is arranged inside the support mechanism 30, a welding mechanism II 50 is arranged outside the support mechanism 30, a pressing mechanism 60 is fixedly connected to the bottom of the bracket 21, a plurality of steel strips can be placed on the pressing mechanism 60, and the pressing mechanism 60 can press the steel strips on the support mechanism 30 to form a steel pipe;

[0043] The support mechanism 30 includes a support plate 31, which is rotatably connected to the bracket 21, and a power mechanism I for driving the support plate 31 to rotate is fixedly connected to the bracket 21, and a support sleeve 32 is fixedly connected to the support plate 31, and a plurality of mutually sleeved sliding sleeves 33 are slidably connected to the support sleeve 32, and the plurality of sliding sleeves 33 are respectively fixedly connected to the telescopic ends of a plurality of telescopic mechanisms I 34, and the telescopic mechanisms I 34 are sequentially fixedly connected to the support sleeve 32 and the sliding sleeve 33 at corresponding positions, and welding ports 35 are provided on the support sleeve 32 and the plurality of sliding sleeves 33;

[0044] The welding mechanism I40 includes a rotating disk 41, which is rotatably connected to the bracket 21, and a power mechanism II for driving the rotating disk 41 to rotate is fixedly connected to the bracket 21, a sliding bracket I42 is fixedly connected to the rotating disk 41, a screw rod I43 is rotatably connected to the sliding bracket I42, a power mechanism III for driving the screw rod I43 to rotate is fixedly connected to the sliding bracket I42, a sliding seat I44 is slidably connected to the sliding bracket I42, the sliding seat I44 is connected to the screw rod I43 by threads, a telescopic mechanism II45 is fixedly connected to the sliding seat I44, and a welding head I46 is fixedly connected to the telescopic end of the telescopic mechanism II45;

[0045] The welding mechanism II50 includes a sliding bracket II51, which is fixedly connected to the bracket 21, a screw rod II52 is rotatably connected to the sliding bracket II51, a power mechanism IV for driving the screw rod II52 to rotate is fixedly connected to the sliding bracket II51, a sliding seat II53 is slidably connected to the sliding bracket II51, the sliding seat II53 is connected to the screw rod II52 by threads, a telescopic mechanism III54 is fixedly connected to the sliding seat II53, and a welding head II55 is fixedly connected to the telescopic end of the telescopic mechanism III54;

[0046] The pressing mechanism 60 includes a telescopic mechanism IV 61, which is fixedly connected to the bracket 21, a support plate 62 is fixedly connected to the telescopic end of the telescopic mechanism IV 61, a plurality of telescopic mechanisms V 63 are fixedly connected to the support plate 62, and a placement bracket 64 is fixedly connected to the telescopic end of the telescopic mechanism V 63;

[0047] The upper end surface of the placement bracket 64 is a magnetic surface capable of adsorbing the steel strip;

[0048] The placing bracket 64 is fixedly connected to two telescopic mechanisms VI65, and the telescopic ends of the two telescopic mechanisms VI65 are fixedly connected to telescopic mechanisms VII66, and the telescopic ends of the two telescopic mechanisms VII66 are fixedly connected to pressing rollers 67;

[0049] The steel strip is placed on the placement bracket 64, and two pressing rollers 67 can squeeze the steel strip so that the steel strip is covered on the support sleeve 32 or the sliding sleeve 33 to form a steel pipe;

[0050] When in use, place the steel belt I71 on Figure 4 The number of the placing brackets 64 shown here depends on the length of the inserted steel pipe 11 to be processed. The placing brackets 64 are provided with electromagnets, which can generate magnetic force to adsorb the steel belt Ⅰ71 when powered on, and start the telescopic mechanism Ⅴ63. The telescopic mechanism Ⅴ63 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism Ⅴ63 drives the placing bracket 64 to move, and the placing bracket 64 drives the steel belt Ⅰ71 to move upward, so that the steel belt Ⅰ71 is attached to the steel belt Ⅰ71. The outer side of the sliding sleeve 33 is closed, and the telescopic mechanism VI65 and the telescopic mechanism VII66 are started. The telescopic mechanism VI65 and the telescopic mechanism VII66 can be hydraulic cylinders or electric push rods. The telescopic end of the telescopic mechanism VI65 drives the telescopic mechanism VII66 to move, and the telescopic end of the telescopic mechanism VII66 drives the pressing roller 67 to move, so that the pressing roller 67 contacts the side of the steel strip I71, squeezes the steel strip I71, and makes the steel strip I71 cover the sliding sleeve 33 to form an inserted steel pipe 11;

[0051] Further, the telescopic mechanism I34 can be started. The telescopic mechanism I34 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism I34 drives the sliding sleeve 33 to move, so that the sliding sleeve 33 produces relative movement, and then the extended length of the corresponding sliding sleeve 33 is adjusted to adapt to the length of the inserted steel pipe 11 that needs to be processed;

[0052] Further, the power mechanism III and the power mechanism IV are started, and the power mechanism III and the power mechanism IV are preferably servo motors. The output shaft of the power mechanism III starts to rotate, and the output shaft of the power mechanism III drives the screw rod I43 to rotate. When the screw rod I43 rotates, it drives the sliding seat I44 to move through the thread, so that the sliding seat I44 slides on the sliding bracket I42, and the sliding seat I44 drives the telescopic mechanism II45 and the welding head I46 to move, and the telescopic mechanism II45 is started. The telescopic mechanism II45 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism II45 drives the welding head I46 to move, so that the welding head I46 contacts the position where the steel strip I71 is covered and connected, and the steel strip I71 is welded, thereby forming an inserted steel pipe 11;

[0053] The output shaft of the power mechanism IV drives the screw rod II52 to rotate. When the screw rod II52 rotates, the sliding seat II53 is driven to move through the thread, so that the sliding seat II53 slides on the sliding bracket II51. The sliding bracket II51 drives the telescopic mechanism III54 to move. The telescopic mechanism III54 drives the welding head II55 to move. The telescopic mechanism III54 is started. The telescopic mechanism III54 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism III54 drives the welding head II55 to move, so that the welding head II55 contacts the weld seam on the outside of the inserted steel pipe 11, and the outside of the inserted steel pipe 11 is welded.

[0054] After the processing of the inserted steel pipe 11 is completed, the steel strip II 72 is placed on the placement bracket 64, and the telescopic mechanism IV 61 is started. The telescopic mechanism IV 61 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism IV 61 drives the support plate 62 to move, and the support plate 62 drives the placement bracket 64 to move, thereby adjusting the position of the steel strip II 72 so that the steel strip II 72 can be pressed on the outside of the inserted steel pipe 11. The telescopic mechanism VI 65 and the telescopic mechanism VII 66 are started, so that the two pressing rollers 67 squeeze the steel strip II 72 so that the steel strip II 72 is coated on the outside of the inserted steel pipe 11 and on the adjacent sliding sleeve 33 whose diameter is larger than the sliding sleeve 33 coated by the inserted steel pipe 11. The connection position of the steel strip II 72 is welded by the welding head I 46 and the welding head II 55 to form the coated steel pipe 12;

[0055] Further, the positions of welding head I46 and welding head II55 are adjusted so that welding head I46 moves to the inner weld where the inserted steel pipe 11 and the covered steel pipe 12 meet, and welding head II55 moves to the outer weld where the inserted steel pipe 11 and the covered steel pipe 12 meet, and the power mechanism I is started, and the output shaft of the power mechanism I drives the support plate 31 to rotate, and the support plate 31 drives the support sleeve 32 and the plurality of sliding sleeves 33 to rotate, so that welding head I46 welds the inner weld where the inserted steel pipe 11 and the covered steel pipe 12 meet, and welding head II55 welds the outer weld where the inserted steel pipe 11 and the covered steel pipe 12 meet, so as to form a steel pipe composed of the inserted steel pipe 11 and the covered steel pipe 12;

[0056] Furthermore, according to different usage requirements, the diameter of the sliding sleeve 33 covered by the steel belt Ⅰ71 is adjusted, and then the inserted steel pipes 11 with different diameters are processed and formed.

Claims

1. A steel pipe production device, comprising a support (21), characterized in that: The support (21) is connected to a support mechanism (30), a welding mechanism I (40) is arranged inside the support mechanism (30), a welding mechanism II (50) is arranged outside the support mechanism (30), and a pressing mechanism (60) is fixedly connected to the bottom of the support (21), a plurality of steel strips can be placed on the pressing mechanism (60), and the pressing mechanism (60) can press the steel strips onto the support mechanism (30) to form a steel pipe.

2. A steel pipe production equipment according to claim 1, characterized in that: The support mechanism (30) comprises a support plate (31), the support plate (31) is rotatably connected to a bracket (21), a power mechanism I is fixedly connected to the bracket (21) for driving the support plate (31) to rotate, a support sleeve (32) is fixedly connected to the support plate (31), a plurality of mutually sleeved sliding sleeves (33) are slidably connected to the support sleeve (32), the plurality of sliding sleeves (33) are respectively fixedly connected to the telescopic ends of a plurality of telescopic mechanisms I (34), the telescopic mechanisms I (34) are sequentially fixedly connected to the support sleeve (32) and the sliding sleeve (33) at corresponding positions, and welding openings (35) are provided on the support sleeve (32) and the plurality of sliding sleeves (33).

3. A steel pipe production equipment according to claim 2, characterized in that: The welding mechanism I (40) comprises a rotating disk (41), the rotating disk (41) is rotatably connected to a bracket (21), a power mechanism II for driving the rotating disk (41) to rotate is fixedly connected to the bracket (21), a sliding bracket I (42) is fixedly connected to the rotating disk (41), a screw rod I (43) is rotatably connected to the sliding bracket I (42), a power mechanism III for driving the screw rod I (43) to rotate is fixedly connected to the sliding bracket I (42), a sliding seat I (44) is slidably connected to the sliding bracket I (42), the sliding seat I (44) is connected to the screw rod I (43) by threading, a telescopic mechanism II (45) is fixedly connected to the sliding seat I (44), and a welding head I (46) is fixedly connected to the telescopic end of the telescopic mechanism II (45).

4. A steel pipe production equipment according to claim 3, characterized in that: The welding mechanism II (50) comprises a sliding bracket II (51), the sliding bracket II (51) is fixedly connected to the bracket (21), a screw rod II (52) is rotatably connected to the sliding bracket II (51), a power mechanism IV for driving the screw rod II (52) to rotate is fixedly connected to the sliding bracket II (51), a sliding seat II (53) is slidably connected to the sliding bracket II (51), the sliding seat II (53) is connected to the screw rod II (52) by a thread, a telescopic mechanism III (54) is fixedly connected to the sliding seat II (53), and a welding head II (55) is fixedly connected to the telescopic end of the telescopic mechanism III (54).

5. The steel pipe production equipment according to claim 4, characterized in that: The material pressing mechanism (60) comprises a telescopic mechanism IV (61), the telescopic mechanism IV (61) is fixedly connected to the bracket (21), the telescopic end of the telescopic mechanism IV (61) is fixedly connected to a support plate (62), the support plate (62) is fixedly connected to a plurality of telescopic mechanisms V (63), and the telescopic end of the telescopic mechanism V (63) is fixedly connected to a placement bracket (64).

6. A steel pipe production equipment according to claim 5, characterized in that: The upper end surface of the placement bracket (64) is a magnetic surface capable of adsorbing the steel strip.

7. The steel pipe production equipment according to claim 5, characterized in that: The placement bracket (64) is fixedly connected to two telescopic mechanisms VI (65), the telescopic ends of the two telescopic mechanisms VI (65) are fixedly connected to telescopic mechanisms VII (66), and the telescopic ends of the two telescopic mechanisms VII (66) are fixedly connected to pressing rollers (67).

8. The steel pipe production equipment according to claim 7, characterized in that: The steel strip is placed on a placement bracket (64), and two pressing rollers (67) can squeeze the steel strip so that the steel strip is wrapped around the support sleeve (32) or the sliding sleeve (33) to form a steel pipe.

9. A steel pipe, comprising an insert steel pipe (11) and a cladding steel pipe (12), characterized in that: The coated steel pipe (12) is fixedly connected to one end of the inserted steel pipe (11), and the inserted steel pipe (11) on one steel pipe can be inserted into the coated steel pipe (12) on another steel pipe.

10. A method for producing a steel pipe, characterized in that: The method comprises the following steps: Step 1: placing the steel belt I (71) and the steel belt II (72) on a placement bracket (64); Step 2: two pressing rollers (67) squeeze the steel strip I (71), the steel strip I (71) is covered on the sliding sleeve (33), and the welding mechanism II (50) and the welding mechanism I (40) weld the steel strip I (71) to form an inserted steel pipe (11); Step 3: The position of the steel strip II (72) is moved so that the edge of the steel strip II (72) can be pressed on the inserted steel pipe (11), the two pressing rollers (67) squeeze the steel strip II (72), the steel strip II (72) is coated on the sliding sleeve (33) whose diameter is larger than the sliding sleeve (33) at the coating position of the steel strip I (71) and the inserted steel pipe (11), and the welding mechanism II (50) and the welding mechanism I (40) weld the steel strip II (72) to form the coated steel pipe (12); Step 4: The welding mechanism II (50) and the welding mechanism I (40) weld the connection position of the inserted steel pipe (11) and the covered steel pipe (12) to form a steel pipe.

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