CN118180914B - Continuous production line of stainless steel winding pipe and production method thereof - Google Patents
Continuous production line of stainless steel winding pipe and production method thereof Download PDFInfo
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- CN118180914B CN118180914B CN202410615295.7A CN202410615295A CN118180914B CN 118180914 B CN118180914 B CN 118180914B CN 202410615295 A CN202410615295 A CN 202410615295A CN 118180914 B CN118180914 B CN 118180914B
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- pipe
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 108
- 239000010935 stainless steel Substances 0.000 title claims abstract description 108
- 238000004804 winding Methods 0.000 title claims abstract description 56
- 238000010924 continuous production Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 238000003466 welding Methods 0.000 claims abstract description 46
- 238000005452 bending Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000009964 serging Methods 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000000748 compression moulding Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of metal pipe production, in particular to a continuous production line of a stainless steel winding pipe and a production method thereof, comprising the following steps: the pressing mechanism, the feeding mechanism and the winding mechanism are sequentially arranged from front to back; the profiling mechanism is used for flanging the side edges of the stainless steel strip; the feeding mechanism is used for conveying the stainless steel strip; the winding mechanism is used for bending and winding the stainless steel strip subjected to edge folding; a serging mechanism is inserted in the winding mechanism and used for compacting the folded edge of the wound stainless steel strip and welding the inner joint part of the pipe to form a pipe shape; the left side of the serging mechanism is provided with a conveying mechanism in parallel, and the conveying mechanism is used for welding the outer pressure welding part of the pipe and conveying the finished stainless steel pipe to the next working procedure. A continuous production process comprising: pre-partum preparation; feeding and profiling the strip; and (5) winding and welding the strip. The continuous production line and the production method of the stainless steel winding pipe have the advantages that the production speed is higher; the sealing performance of the pipe body is better.
Description
Technical Field
The invention relates to the technical field of metal pipe production, in particular to a continuous production line of a stainless steel winding pipe and a production method thereof.
Background
Stainless steel wound pipe, which refers to a helically wound stainless steel pipe, is commonly used in specific industrial, commercial applications. The pipeline is generally formed by taking a stainless steel belt as a raw material and winding the stainless steel belt into a spiral structure, so that the stainless steel pipe has higher strength under the condition of ensuring certain flexibility. Therefore, the stainless steel winding pipe is suitable for various special environments and industrial applications due to good high temperature resistance and mechanical properties.
At present, the production mode of the stainless steel winding pipe is as follows: and winding the stainless steel strip through a die, and welding the wound connection part. However, conventionally produced stainless steel wound pipes still suffer from the following disadvantages:
1. In the winding process, the gap between the stainless steel strips at the welding position needs to be ensured, so that the production speed is limited;
2. the connection part of the stainless steel winding pipe is welded, and the internal stress generated by high temperature causes the risk of leakage at the welding line.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a continuous production line of a stainless steel winding pipe and a production method thereof, and the pipe body is stable in structure after winding and higher in production speed; the inner and outer weld joints are arranged in a staggered mode, internal stress is homogenized, and the tightness is better.
The invention adopts the technical scheme that:
a continuous production line for stainless steel wound tubing comprising:
The stainless steel strip bending machine comprises a profiling mechanism, a feeding mechanism and a winding mechanism which are sequentially arranged from front to back, wherein the profiling mechanism is used for folding up and folding down the left side and the right side of the stainless steel strip, the feeding mechanism is used for conveying the stainless steel strip, and the winding mechanism is used for bending the stainless steel strip which is folded up and down and forming a winding shape.
The winding mechanism is internally provided with a serging mechanism which is used for pressing the upward folding and the downward folding parts of the winding stainless steel strip and welding the pressing parts in the pipe to form a pipe shape.
The left side of the serging mechanism is provided with a conveying mechanism in parallel, and the conveying mechanism is used for welding the outer pressure welding part of the pipe and conveying the finished stainless steel pipe to the next process.
Further, the profiling mechanism includes:
the horizontal setting's preceding base, the anterior fixed curb plate in front is fixed to the up end of preceding base, the left side of preceding fixed curb plate is provided with preceding translation curb plate side by side, preceding translation curb plate and preceding base sliding connection, rotatory compression roller group that is provided with between preceding fixed curb plate, the preceding translation curb plate, the fixed set of fixing bolt in front is provided with in preceding fixed curb plate's edge, preceding fixed set of fixing bolt runs through preceding translation curb plate to fix through the nut.
Further, the press roll set includes:
the right compression roller set, the connecting roller set and the left compression roller set are sequentially arranged from the front fixed side plate to the front translation side plate.
Further, the right press roller set and the left press roller set are coaxially arranged, and a plurality of groups are arranged in parallel along the front-back direction and used for gradually bending the right edge and the left edge of the stainless steel strip downwards and upwards.
The connecting roller set is arranged in a cylinder shape coaxial with the right pressing roller set and the left pressing roller set.
Further, the feeding mechanism includes:
The fixed rear fixed curb plate that sets up in preceding base up end rear portion, the left side of rear fixed curb plate is provided with the rear translation curb plate side by side, rear translation curb plate and preceding base sliding connection, rotatory being provided with between rear fixed curb plate, the rear translation curb plate and feed the roller group, it is provided with the transmission shaft that extends right to feed on the roller group coaxially, the transmission shaft is connected with the actuating mechanism transmission, and the fixed rear fixing bolt group that is provided with in edge of rear fixed curb plate, rear fixing bolt group runs through the rear translation curb plate to fix through the nut.
Further, the winding mechanism includes:
The rear base is arranged behind the front base in parallel, the upper end face of the rear base is of a two-layer structure with a left high side and a right low side, a first lower die is fixedly arranged on the left high end face of the rear base, a second lower die is arranged on the left side of the first lower die and is connected with the rear base in a sliding mode, the second lower die is fixed through bolts in grooves in the rear base, a first upper die is fixed at the upper end of the first lower die in a gap mode, a second upper die is fixed at the upper end of the second lower die in a gap mode, and bending dies are arranged in parallel behind the first lower die and the second lower die.
The lower end face on the right side of the rear base is fixedly provided with a hinge seat.
Further, the serging mechanism comprises:
The extension arm that extends along left and right directions, the middle part of extension arm runs through along the upper and lower direction and is provided with the appearance groove, the in-tank rotation is provided with the spiro union seat, it is equipped with adjusting screw to insert on the spiro union seat to fix through the nut, adjusting screw's lower extreme is provided with the articulated shaft, the articulated shaft rotation sets up in the articulated seat.
The left side of extension arm is provided with the spout, the spout activity is provided with the slide, the lower extreme of slide is provided with the left clamp plate that extends right, the left side of left clamp plate lower extreme face is provided with left pinch roller, locking wheel, left pinch roller sets up in the place ahead of locking wheel, and the right side of left clamp plate is provided with the coplanar right clamp plate of lower extreme, right clamp plate and extension arm fixed connection are provided with right pinch roller on the extension arm lower extreme face between holding tank, the right clamp plate, fixedly on the extension arm at slide rear is provided with interior fixing base, be provided with interior welder on the interior fixing base.
The right side bottom butt of extension arm is provided with the lift jar, the lift jar is fixed to be set up on the low terminal surface on back base right side.
Further, a waist-shaped hole is formed in the groove wall of the sliding groove in a penetrating mode along the front-rear direction, a bolt penetrating through the sliding seat and the inner fixing seat is inserted into the waist-shaped hole, and the bolt is fixed through a nut.
The wheel surface of the right pressing wheel is abutted against the lower folded part of the stainless steel strip, and the lower folded part of the stainless steel strip is enabled to be transited to the bending die.
The wheel surface of the left pressing wheel is abutted with the stainless steel strip lower folding part of the bending die, and the stainless steel strip lower folding part of the bending die is positioned on the right side of the stainless steel strip upper folding part.
The wheel surface of the locking wheel is abutted with the lower folding part of the stainless steel strip passing through the bending die and compresses the upper folding part and the lower folding part of the stainless steel strip.
Further, the conveying mechanism comprises:
The welding device comprises a support frame extending along the left-right direction, wherein a support wheel is arranged on the upper portion of the support frame, an outer fixing seat is fixedly arranged on the right side of the support frame, and an outer welding gun is arranged on the outer fixing seat.
The supporting wheels are arranged in parallel along the front-rear direction, the supporting wheels on the front side and the rear side are arranged in a staggered mode, the supporting wheels on the front side are arranged in a tilting shape with high left and low right, and the supporting wheels on the rear side are arranged in a tilting shape with high right and low left.
The continuous production method of the stainless steel winding pipe comprises the following steps:
A. Prenatal preparation:
according to the specification of the stainless steel strip, selecting:
a set of connecting rolls of suitable axial length, a suitable number of sets of feed rolls, a bending die corresponding to the product tube.
According to the specification of the stainless steel strip, adjusting:
The distance between the front fixed side plate and the front translation side plate, the distance between the rear fixed side plate and the rear translation side plate, the distance between the first lower die and the second lower die, the distance between the right pressing wheel and the left pressing wheel, the distance between the screw joint base and the hinge shaft, the extension length of the stroke section of the lifting cylinder, the height of the inner welding gun and the angle of the inner welding gun.
In the process, the right pressing plate is ensured to press the first upper die, the left pressing plate is ensured to press the second upper die, the extension arm is in a horizontal state, and the extension arm is perpendicular to the adjusting screw.
B. feeding and profiling the strip:
The stainless steel strip is sent to the feeding roller set through the pressing roller set, the feeding roller set is rotated through the driving mechanism, and the stainless steel strip is pressed by the pressing roller set in the feeding process.
C. winding and welding a strip:
The stainless steel strip after profiling is pushed into the bending die through the right pressing wheel and is wound, the upper folding part and the lower folding part of the stainless steel strip are mutually buckled through the left pressing wheel, and the buckled upper folding part and lower folding part of the stainless steel strip are tightly pressed through the locking wheel.
And welding the buckling seam of the inner wall of the winding pipe through an inner welding gun, and welding the buckling seam of the outer wall of the winding pipe through an outer welding gun.
The continuous production line of the stainless steel winding pipe and the production method thereof have the advantages that:
1. the split press roll set and four sets of dies arranged on the winding mechanism are suitable for flanging stainless steel strips with different widths;
2. the parallel combination mode of a plurality of rollers of the feeding roller set is suitable for feeding stainless steel strips with different widths;
3. Winding of the stainless steel strip is achieved through a bending die; the stability of the structure of the wound pipe body is ensured by the mode of folding edge mutual pressure, so that the stability is improved;
4. Profiling of the folded edges is performed through a serging mechanism; and internal stress is homogenized by arranging inner and outer welding in a staggered manner, so that the tightness of the inside and the outside of the pipe is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, and the drawings in the following description are embodiments of the present invention.
FIG. 1 is a general schematic perspective view of a continuous production line for stainless steel wrapped tubes according to an example of the present invention;
FIG. 2 is a schematic perspective view of a profiling mechanism and a feeding mechanism of a continuous production line for stainless steel winding pipes according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a winding mechanism of a continuous production line for stainless steel winding pipes according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a serging mechanism of a continuous production line for stainless steel wrapped tubes according to an example of the invention;
FIG. 5 is a schematic perspective exploded view of a lockstitch mechanism of a continuous production line for stainless steel wrapped tubing according to an example of the present invention;
Fig. 6 is a schematic perspective view of a conveying mechanism of a continuous production line for stainless steel winding pipes according to an embodiment of the present invention.
In the figure:
1. the pressing mechanism is provided with a pressing mechanism,
10. A front base, 11, a front fixed side plate, 12, a front translation side plate, 13 and a compression roller group,
14. A front fixing bolt group is arranged on the front side of the fixing bolt,
131. A right press roller group, 132, a left press roller group, 133, a connecting roller group,
2. The feeding mechanism is provided with a feeding mechanism,
21. A rear fixed side plate 22, a rear translation side plate 23, a feed roller group 24 and a rear fixed bolt group,
25. The transmission shaft is provided with a plurality of transmission grooves,
3. The winding mechanism is provided with a winding mechanism,
30. A rear base 31, a first lower die 32, a second lower die 33, a first upper die,
34. A second upper die, 35, a bending die, 36, a hinge base,
4. The edge locking mechanism comprises a locking mechanism body,
40. An extension arm 401, a containing groove 402, a sliding groove 41, a lifting cylinder 42, a screw seat 43 and an adjusting screw,
44. Hinge shaft, 451, right pinch roller, 452, left pinch roller, 453, locking wheel, 461, right pressure plate,
462. Left pressing plate, 463, sliding seat, 464, inner fixing seat, 47 and inner welding gun,
5. The conveying mechanism is provided with a conveying mechanism,
50. The outer welding gun comprises a supporting frame, 51, supporting wheels, 52, an outer fixing seat, 53 and an outer welding gun.
Detailed Description
In order to more clearly and clearly describe the specific implementation objects and embodiments of the present invention, the following description will fully describe the technical solutions of the present invention, and the described embodiments are some, but not all, embodiments of the present invention. All other embodiments based on the described embodiments of the invention fall within the scope of the invention without making inventive efforts.
The continuous production line of the stainless steel winding pipe of the present invention, as shown in fig. 1, comprises: the device comprises a profiling mechanism 1, a feeding mechanism 2 and a winding mechanism 3 which are sequentially arranged from front to back.
The profiling mechanism 1 is used for folding up and down the left side and the right side of a stainless steel strip, and as shown in fig. 2, comprises:
The horizontal front base 10 that sets up, the anterior fixed curb plate 11 in front is provided with of up end of front base 10, the left side of the fixed curb plate 11 in front is provided with preceding translation curb plate 12 side by side, preceding translation curb plate 12 and front base 10 sliding connection, rotatory compression roller group 13 that is provided with between fixed curb plate 11 in front, the preceding translation curb plate 12, the fixed set of fixing bolts 14 that is provided with in edge of fixed curb plate 11 in front, preceding set of fixing bolts 14 runs through preceding translation curb plate 12 to fix through the nut.
The press roller group 13 includes: a right press roller group 131, a connecting roller group 133 and a left press roller group 132 which are sequentially arranged from the front fixed side plate 11 to the front translation side plate 12; the right press roller group 131 and the left press roller group 132 are coaxially arranged, and are parallelly provided with a plurality of groups along the front-back direction, so that the right edge and the left edge of the stainless steel strip are gradually bent downwards and upwards; the connecting roller set 133 is provided in a cylindrical shape coaxial with the right press roller set 131 and the left press roller set 132.
The feeding mechanism 2 is used for conveying stainless steel strips, and as shown in fig. 2, comprises:
The rear fixing side plate 21 is fixedly arranged at the rear part of the upper end face of the front base 10, the left side of the rear fixing side plate 21 is provided with a rear translation side plate 22 in parallel, the rear translation side plate 22 is in sliding connection with the front base 10, a feeding roller group 23 is rotatably arranged between the rear fixing side plate 21 and the rear translation side plate 22, a transmission shaft 25 extending rightward is coaxially arranged on the feeding roller group 23, the transmission shaft 25 is in transmission connection with a driving mechanism, a rear fixing bolt group 24 is fixedly arranged at the edge of the rear fixing side plate 21, and the rear fixing bolt group 24 penetrates through the rear translation side plate 22 and is fixed through nuts.
The winding mechanism 3 is used for bending the stainless steel strip which is folded up and down and forms a winding shape, and as shown in fig. 3, comprises:
The rear base 30 is horizontally arranged behind the front base 10, the upper end surface of the rear base 30 is of a two-layer structure with a left side high and a right side low, a first lower die 31 is fixedly arranged on the left side high end surface of the rear base 30, a second lower die 32 is arranged on the left side of the first lower die 31, the second lower die 32 is slidably connected with the rear base 30, the second lower die 32 is fixedly arranged through bolts in grooves on the rear base 30, the upper end of the first lower die 31 is fixedly provided with a first upper die 33 in a clearance manner, the upper end of the second lower die 32 is fixedly provided with a second upper die 34 in a clearance manner, and bending dies 35 are arranged behind the first lower die 31 and the second lower die 32 in parallel; a hinge seat 36 is fixedly provided on the lower end surface of the right side of the rear base 30.
The winding mechanism 3 is internally provided with a serging mechanism 4, the serging mechanism 4 is used for pressing the upward folded part and the downward folded part of the wound stainless steel strip material and welding the inner joint part of the pipe, and forms a pipe shape, as shown in fig. 4 and 5, and comprises:
The extension arm 40 that extends along left and right directions, the middle part of extension arm 40 runs through along the upper and lower direction and is provided with the groove 401, the internal rotation of groove 401 is provided with screw joint seat 42, insert on the screw joint seat 42 and be equipped with adjusting screw 43 to fix through the nut, the lower extreme of adjusting screw 43 is provided with articulated shaft 44, articulated shaft 44 rotation sets up in articulated seat 36.
The left side of the extension arm 40 is provided with a chute 402, the chute 402 is movably provided with a slide seat 463, the lower end of the slide seat 463 is provided with a left pressing plate 462 extending rightward, the left side of the lower end surface of the left pressing plate 462 is provided with a left pressing wheel 452 and a locking wheel 453, the left pressing wheel 452 is arranged in front of the locking wheel 453, the wheel surface of the left pressing wheel 452 is abutted with the stainless steel strip turndown part passing through the bending die 35, the stainless steel strip turndown part passing through the bending die 35 is positioned on the right side of the stainless steel strip turnup part, and the wheel surface of the locking wheel 453 is abutted with the stainless steel strip turnup part and the stainless steel strip turndown part passing through the bending die 35, and the stainless steel strip turnup part and the stainless steel strip turndown part are tightly pressed; the right side of the left pressing plate 462 is provided with a right pressing plate 461 with coplanar lower ends, the right pressing plate 461 is fixedly connected with the extension arm 40, a right pressing wheel 451 is arranged on the lower end face of the extension arm 40 between the accommodating groove 401 and the right pressing plate 461, the wheel face of the right pressing wheel 451 is abutted against the lower folded part of the stainless steel strip, the lower folded part of the stainless steel strip is enabled to be transited to the bending die 35, an inner fixing seat 464 is fixedly arranged on the extension arm 40 behind the sliding seat 463, and an inner welding gun 47 is arranged on the inner fixing seat 464; waist-shaped holes are formed in the groove wall of the chute 402 in a penetrating manner in the front-rear direction, bolts penetrating the slide seat 463 and the inner fixing seat 464 are inserted into the waist-shaped holes, and the bolts are fixed through nuts.
The right bottom end of the extension arm 40 is provided with a lifting cylinder 41 in an abutting manner, and the lifting cylinder 41 is fixedly arranged on the lower end face on the right side of the rear base 30.
The left side of the overlock mechanism 4 is provided with a conveying mechanism 5 in parallel, the conveying mechanism 5 is used for welding the external pressure joint part of the pipe and conveying the finished stainless steel pipe to the next process, and as shown in fig. 6, the pipe comprises:
The support frame 50 that extends along left and right directions, the upper portion of support frame 50 is provided with supporting wheel 51, and the fixed outer fixing base 52 that is provided with in right side of support frame 50 is provided with outer welder 53 on the outer fixing base 52.
The supporting wheels 51 are arranged in parallel in the front-rear direction, the supporting wheels 51 on the front side and the rear side are arranged in a staggered manner, the supporting wheels 51 on the front side are arranged in a tilting shape with high left and low right, and the supporting wheels 51 on the rear side are arranged in a tilting shape with high right and low left.
According to the specific structure of the continuous production line for stainless steel wound pipes in the above embodiment, the following further describes a continuous production method for stainless steel wound pipes:
A. Prenatal preparation:
according to the specification of the stainless steel strip, selecting:
a set of connecting rollers 133 of suitable axial length, a suitable number of sets of feed rollers 23, a bending die 35 corresponding to the product pipe.
According to the specification of the stainless steel strip, adjusting:
The distance between the front fixed side plate 11 and the front translation side plate 12, the distance between the rear fixed side plate 21 and the rear translation side plate 22, the distance between the first lower die 31 and the second lower die 32, the distance between the right pressing wheel 451 and the left pressing wheel 452, the distance between the screw base 42 and the hinge shaft 44, the extension length of the stroke section of the lifting cylinder 41, the height of the inner welding gun 47, and the angle of the inner welding gun 47.
In this process, the right pressing plate 461 is ensured to press the first upper die 33, the left pressing plate 462 is ensured to press the second upper die 34, the extension arm 40 is in a horizontal state, and the extension arm 40 is perpendicular to the adjusting screw 43.
B. feeding and profiling the strip:
The stainless steel strip is sent to the feeding roller set 23 through the pressing roller set 13, and the feeding roller set 23 is rotated through the driving mechanism, so that the stainless steel strip is pressed by the pressing roller set 13 in the feeding process.
C. winding and welding a strip:
the pressed stainless steel strip is pushed into the bending die 35 by the right pressing wheel 451 and wound, the upper folding part and the lower folding part of the stainless steel strip are mutually buckled by the left pressing wheel 452, and the buckled upper folding part and the buckled lower folding part of the stainless steel strip are tightly pressed by the locking wheel 453.
The inner welding gun 47 is used for welding the buckling seam of the inner wall of the winding pipe, and the outer welding gun 53 is used for welding the buckling seam of the outer wall of the winding pipe.
With the above-described embodiments of the continuous production line for stainless steel wound pipes and the production method thereof according to the present invention as a teaching, related workers can make various changes and modifications without departing from the scope of the technical idea of the present invention.
Claims (4)
1. Continuous production line of stainless steel winding pipe, its characterized in that:
Comprising the following steps:
The device comprises a profiling mechanism (1), a feeding mechanism (2) and a winding mechanism (3) which are sequentially arranged from front to back;
The profiling mechanism (1) is used for folding up and down the left side and the right side of a stainless steel strip, and comprises:
A front base (10) horizontally arranged, a front fixed side plate (11) is fixedly arranged at the front part of the upper end surface of the front base (10), a front translation side plate (12) is arranged at the left side of the front fixed side plate (11) in parallel, the front translation side plate (12) is slidably connected with the front base (10), a compression roller group (13) is rotatably arranged between the front fixed side plate (11) and the front translation side plate (12), a front fixed bolt group (14) is fixedly arranged at the edge of the front fixed side plate (11), the front fixed bolt group (14) penetrates through the front translation side plate (12) and is fixed through nuts,
The press roller group (13) includes:
The stainless steel strip bending machine comprises a right press roller set (131), a connecting roller set (133) and a left press roller set (132) which are sequentially arranged from a front fixed side plate (11) to a front translation side plate (12), wherein the right press roller set (131) and the left press roller set (132) are coaxially arranged and are arranged in parallel along the front-back direction so as to gradually bend the right edge and the left edge of the stainless steel strip downwards and upwards, and the connecting roller set (133) is in a cylinder shape coaxial with the right press roller set (131) and the left press roller set (132);
the feeding mechanism (2) is used for conveying stainless steel strips and comprises:
The rear fixing side plate (21) is fixedly arranged at the rear part of the upper end face of the front base (10), a rear translation side plate (22) is arranged on the left side of the rear fixing side plate (21) in parallel, the rear translation side plate (22) is in sliding connection with the front base (10), a feed roller group (23) is rotatably arranged between the rear fixing side plate (21) and the rear translation side plate (22), a transmission shaft (25) extending rightward is coaxially arranged on the feed roller group (23), the transmission shaft (25) is in transmission connection with a driving mechanism, a rear fixing bolt group (24) is fixedly arranged at the edge of the rear fixing side plate (21), and the rear fixing bolt group (24) penetrates through the rear translation side plate (22) and is fixed through nuts;
The winding mechanism (3) is used for bending the stainless steel strip which is folded up and down and forming a winding shape, and comprises:
the rear base (30) is horizontally arranged behind the front base (10), the upper end face of the rear base (30) is of a two-layer structure with left high and right low, a first lower die (31) is fixedly arranged on the left high end face of the rear base (30), a second lower die (32) is arranged on the left side of the first lower die (31), the second lower die (32) is slidably connected with the rear base (30), the second lower die (32) is fixedly arranged in a groove on the rear base (30) through bolts, a first upper die (33) is fixedly arranged at the upper end of the first lower die (31) in a clearance manner, a second upper die (34) is fixedly arranged at the upper end of the second lower die (32), a bending die (35) is fixedly arranged in parallel behind the first lower die (31) and the second lower die (32), and a hinging seat (36) is fixedly arranged on the right low end face of the rear base (30);
The winding mechanism (3) is internally provided with a serging mechanism (4), the serging mechanism (4) is used for compressing the upper and lower folded parts of the wound stainless steel strip and welding the inner joint part of the pipe to form a pipe shape, and the welding mechanism comprises:
an extension arm (40) extending along the left-right direction, wherein the middle part of the extension arm (40) is provided with a containing groove (401) in a penetrating manner along the up-down direction, the containing groove (401) is rotationally provided with a screw seat (42), an adjusting screw rod (43) is inserted on the screw seat (42) and fixed through a nut, the lower end of the adjusting screw rod (43) is provided with a hinge shaft (44), and the hinge shaft (44) is rotationally arranged in the hinge seat (36);
The left side of extension arm (40) is provided with spout (402), spout (402) activity is provided with slide (463), the lower extreme of slide (463) is provided with left clamp plate (462) that extends to the right, the left side of left clamp plate (462) lower extreme face is provided with left clamp wheel (452), locking wheel (453), left clamp wheel (452) set up in the place ahead of locking wheel (453), the right side of left clamp plate (462) is provided with right clamp plate (461) of lower extreme coplanarity, right clamp plate (461) and extension arm (40) fixed connection are provided with right clamp wheel (451) on extension arm (40) lower extreme between holding groove (401) and right clamp plate (461), fixedly on extension arm (40) at slide (463) rear is provided with interior fixing base (464), be provided with interior welder (47) on interior fixing base (464);
The bottom end of the right side of the extension arm (40) is in butt joint with a lifting cylinder (41), and the lifting cylinder (41) is fixedly arranged on the lower end surface of the right side of the rear base (30);
the left side of the overlock mechanism (4) is provided with a conveying mechanism (5) in parallel, and the conveying mechanism (5) is used for welding an external pressure welding part of the pipe and conveying the finished stainless steel pipe to the next process.
2. The continuous production line for stainless steel wrapped tubes according to claim 1, wherein:
waist-shaped holes are formed in the groove wall of the sliding groove (402) in a penetrating mode in the front-rear direction, bolts penetrating through the sliding seat (463) and the inner fixing seat (464) are inserted into the waist-shaped holes, and the bolts are fixed through nuts;
The wheel surface of the right pressing wheel (451) is abutted against the lower folded part of the stainless steel strip, and the lower folded part of the stainless steel strip is transited to the bending die (35);
The wheel surface of the left pressing wheel (452) is abutted against the stainless steel strip turndown part of the bending die (35), and the stainless steel strip turndown part of the bending die (35) is positioned on the right side of the stainless steel strip turnup part;
The wheel surface of the locking wheel (453) is abutted with the lower folded part of the stainless steel strip passing through the bending die (35) and compresses the upper folded part and the lower folded part of the stainless steel strip.
3. The continuous production line for stainless steel wrapped tubes according to claim 2, wherein:
the conveying mechanism (5) comprises:
the welding device comprises a support frame (50) extending along the left-right direction, wherein a support wheel (51) is arranged at the upper part of the support frame (50), an outer fixing seat (52) is fixedly arranged on the right side of the support frame (50), and an outer welding gun (53) is arranged on the outer fixing seat (52);
the support wheels (51) are arranged in parallel in the front-rear direction, the support wheels (51) on the front side and the rear side are arranged in a staggered mode, the support wheels (51) on the front side are arranged in a tilting mode with high left and low right, and the support wheels (51) on the rear side are arranged in a tilting mode with high right and low left.
4. A continuous production method of a stainless steel winding pipe, which adopts the continuous production line of the stainless steel winding pipe according to claim 3, and is characterized in that:
A. Prenatal preparation:
according to the specification of the stainless steel strip, selecting:
a set of connecting rollers (133) of suitable axial length, a suitable number of sets of feed rollers (23), a bending die (35) corresponding to the product tube;
according to the specification of the stainless steel strip, adjusting:
The distance between the front fixed side plate (11) and the front translation side plate (12), the distance between the rear fixed side plate (21) and the rear translation side plate (22), the distance between the first lower die (31) and the second lower die (32), the distance between the right pressing wheel (451) and the left pressing wheel (452), the distance between the screw base (42) and the hinge shaft (44), the extension length of the stroke section of the lifting cylinder (41), the height of the inner welding gun (47) and the angle of the inner welding gun (47);
in the process, the right pressing plate (461) is ensured to press the first upper die (33), the left pressing plate (462) is ensured to press the second upper die (34) and the extension arm (40) are in a horizontal state, and the extension arm (40) is vertical to the adjusting screw (43);
B. feeding and profiling the strip:
The stainless steel strip is sent to a feeding roller set (23) through a compression roller set (13), and the feeding roller set (23) is rotated through a driving mechanism, so that the compression roller set (13) is used for compression molding of the stainless steel strip in the feeding process;
C. winding and welding a strip:
Pushing the pressed stainless steel strip into a bending die (35) through a right pressing wheel (451) and winding the stainless steel strip, mutually buckling an upper folding part and a lower folding part of the stainless steel strip through a left pressing wheel (452), and tightly pressing the buckled upper folding part and the lower folding part of the stainless steel strip through a locking wheel (453);
the inner welding gun (47) is used for welding the buckling seam of the inner wall of the winding pipe, and the outer welding gun (53) is used for welding the buckling seam of the outer wall of the winding pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410615295.7A CN118180914B (en) | 2024-05-17 | 2024-05-17 | Continuous production line of stainless steel winding pipe and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410615295.7A CN118180914B (en) | 2024-05-17 | 2024-05-17 | Continuous production line of stainless steel winding pipe and production method thereof |
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| CN118180914A CN118180914A (en) | 2024-06-14 |
| CN118180914B true CN118180914B (en) | 2024-09-20 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3534510A1 (en) * | 1985-09-27 | 1987-04-16 | Inst Elektroswarki Patona | Installation for the production of helical-seam tubes |
| CN103851277A (en) * | 2012-11-30 | 2014-06-11 | 上海金纬管道设备制造有限公司 | Production method for steel-plastic warping and soldering pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB901394A (en) * | 1958-10-10 | 1962-07-18 | Kuckens Alexander | Method and apparatus for producing tubes with a helical welding seam |
| US3046382A (en) * | 1959-05-05 | 1962-07-24 | American Mach & Foundry | Spiral tube mill |
| AU566915B2 (en) * | 1983-05-23 | 1987-11-05 | Universal Spiralweld Enterprises Inc. | Helical seamed structural vessel |
-
2024
- 2024-05-17 CN CN202410615295.7A patent/CN118180914B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3534510A1 (en) * | 1985-09-27 | 1987-04-16 | Inst Elektroswarki Patona | Installation for the production of helical-seam tubes |
| CN103851277A (en) * | 2012-11-30 | 2014-06-11 | 上海金纬管道设备制造有限公司 | Production method for steel-plastic warping and soldering pipe |
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| Publication number | Publication date |
|---|---|
| CN118180914A (en) | 2024-06-14 |
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