CN112620391B - High-stability welded pipe unit - Google Patents
High-stability welded pipe unit Download PDFInfo
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- CN112620391B CN112620391B CN202011563748.4A CN202011563748A CN112620391B CN 112620391 B CN112620391 B CN 112620391B CN 202011563748 A CN202011563748 A CN 202011563748A CN 112620391 B CN112620391 B CN 112620391B
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000003466 welding Methods 0.000 claims abstract description 39
- 238000003825 pressing Methods 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 238000005056 compaction Methods 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 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
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
- B21C37/0811—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off removing or treating the weld bead
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Milling Processes (AREA)
Abstract
The invention provides a high-stability pipe welding unit, which comprises a platform, and a pipe welding unit, a deburring mechanism and a reducing unit which are sequentially arranged on the platform; the welding pipe unit comprises a welding pipe housing, a plurality of forming roller groups, a plurality of vertical roller groups, a plurality of forming gear motors, a welding pipe machine and a vertical roller output roller group, wherein the welding pipe machine is arranged at the tail end of the forming roller groups, the vertical roller groups are arranged between two adjacent forming roller groups and at the front end of the first forming roller group, and the vertical roller output roller group is arranged at the output end of the welding pipe machine; the deburring mechanism comprises at least one planer rest and a planer tool, and the planer tool is arranged on the planer rest; the reducing unit comprises a reducing housing, a plurality of reducing modules, a plurality of reducing motors and a plurality of deviation correcting devices, and the deviation correcting devices are arranged between at least one group of adjacent reducing modules; the inlet end of the deviation corrector is designed to be in a flaring structure, and the outlet end of the deviation corrector is designed to be in a necking structure. The machine set has the advantages of good stability, good constraint, high working efficiency and cost saving.
Description
Technical Field
The invention relates to the field of metal pipe reducing, in particular to a high-stability welded pipe unit.
Background
The metal pipe is generally formed by a series of processes such as forming, welding, deburring, reducing, and the like, and in the process, the following problems easily occur:
In the forming process, the problem of equipment stability needs to be overcome, because the existing forming pipe welder is mostly driven by a shaft coupling, the bottom end of a vertical shaft in a vertical roller is sleeved with a screw rod pull rod and then is slidably arranged in a shell, the limit of a gland on the vertical shaft is limited, an assembly gap also exists between the shell and the vertical shaft, the screw rod pull rod is in clearance with the screw thread of the vertical shaft, and the three clearances are very easy to cause the deflection and the shaking of the two vertical rollers in the horizontal and vertical directions. The stability of the equipment is poor, and the stability is insufficient when the high-performance metal pipe is prepared.
In the deburring process, the currently used cutters are all common cutters, the cutting edges on the cutters are straight-line-shaped chisel edges, and as the chisel edges are in point contact with welding seams of welded pipes, only one point of the cutters is worn, other parts are not used, but the cutters still need to be replaced after the point is worn, so that the cutters are wasted.
The design scheme is to reform transform and press from both sides the sword device, through the position of adjustment clamp sword come maximize utilization cutter, but the cutter presss from both sides the stability requirement, reforms transform cost and degree of difficulty all higher.
In the reducing process, under the condition of low reducing degree, a general reducing machine set can normally operate, but under the condition of higher reducing degree and thinner formed pipe, the pipe is easy to deform, so that upwarp or lateral deviation is caused, and the reducing continuity is influenced.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, thereby providing a high-stability welded pipe unit with good stability, good constraint, high working efficiency and cost saving.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a high-stability welded pipe unit comprises a platform, and a welded pipe unit, a deburring mechanism and a reducing unit which are sequentially arranged on the platform;
The welding tube machine set comprises a welding tube housing, a plurality of forming roller sets, a plurality of vertical roller sets, a plurality of forming gear motors, a welding tube machine and a vertical roller output roller set, wherein the welding tube housing is fixed on a platform in a two-row opposite mode, the forming roller sets are sequentially arranged on the welding tube housing, the forming gear motors drive the forming roller sets to rotate, the welding tube machine is arranged at the tail end of the forming roller set, the vertical roller sets are arranged between two adjacent forming roller sets and at the front end of the first forming roller set, the vertical roller output roller set comprises a plurality of pairs of vertical roller sets which are arranged in a straight line side by side, and the vertical roller output roller set is arranged at the output end of the welding tube machine;
The deburring mechanism comprises at least one planer rest and a planer, wherein the planer is arranged on the planer rest, and the height of the planer is matched with the output height of the vertical roll output roll set;
The reducing machine set comprises a reducing housing, a plurality of reducing modules, a plurality of reducing motors and a plurality of deviation correcting devices, wherein the reducing housing is fixed on a platform in a two-row opposite mode, the reducing modules are arranged on the reducing housing in sequence, the reducing motors drive the reducing modules to roll one by one, and the deviation correcting devices are arranged between at least one group of adjacent reducing modules; the inlet end of the deviation corrector is designed into a flaring structure, the outlet end of the deviation corrector is designed into a necking structure, and the height of the diameter reducing module positioned at the first position is matched with the height of the planing tool.
The vertical roll unit is characterized in that the vertical roll roller set and the vertical roll output roller set comprise a shell, a screw rod, a vertical shaft, two compaction inclined blocks, a gland, a compaction bolt and a vertical roll;
The vertical shaft is arranged in the rectangular cavity, the bottom end of the vertical shaft is matched with the bottom of the rectangular cavity, an inclined plane is arranged at the lower waist position of the vertical shaft, the pressing inclined block is stuffed between the inclined plane and the side wall of the rectangular cavity, the pressing cover is fixed at the opening of the upper end of the housing and presses the pressing inclined block through the pressing bolt, and the upper end of the vertical shaft penetrates through the pressing cover and is provided with the vertical roller;
The screw rod pull rod is in threaded connection with the threaded through hole at the bottom end of the vertical shaft and is used for adjusting the horizontal position of the vertical shaft.
The cross section of the pressing inclined block is trapezoid, the inclined plane of the pressing inclined block is in butt joint with the inclined plane of the vertical shaft, two parallel surfaces of the pressing inclined block are respectively clung to the vertical part of the vertical shaft and the side wall of the rectangular cavity, one of the two pressing inclined blocks is a fixed inclined block, and the other pressing inclined block is an adjusting pressing inclined block.
The planing tool rest comprises an inclined support base, an up-down adjusting mechanism, an angle adjusting mechanism and a pressing mechanism;
The diagonal bracing base comprises a base and a diagonal bracing surface, wherein a transverse sliding chute and a locking bolt are arranged on the base, and a middle through hole and a vertical sliding chute of the diagonal bracing surface are arranged on the diagonal bracing surface;
The upper and lower adjusting mechanism comprises a sliding block and an adjusting bolt, the back surface of the sliding block is slidably arranged in the vertical sliding groove, the front end of the sliding block is provided with an annular boss, the sliding block is provided with a middle through hole of the sliding block, the bottom end of the adjusting bolt is movably connected with the top end of the sliding block, the inclined supporting surface is provided with a threaded hole, the threaded section of the adjusting bolt is in threaded connection with the threaded hole, and the spiral advancing direction of the adjusting bolt is consistent with the extending direction of the vertical sliding groove;
The angle adjusting mechanism comprises an annular clamping piece and an adjusting spanner, the rear end of the annular clamping piece is clamped on the annular boss and is fixedly pressed on the boss through the pressing mechanism, the front end of the annular clamping piece is provided with an annular cutter mounting hole site, and the adjusting spanner is fixed on the outer peripheral surface of the annular clamping piece;
and the inclined support surface middle via hole, the sliding block middle via hole and the cutter mounting hole position form a welded pipe via hole.
Basically, hold-down mechanism is in including being fixed in at least two dogs and threaded connection on the slider hold-down bolt on the dog, the centre of a circle department that the direction of spiral travel of two hold-down bolts was directional welded tube via hole, correspond on the outer peripheral face of annular fastener hold-down bolt sets up annular draw-in groove, hold-down bolt roof pressure is in the annular draw-in groove, adjusting spanner demountable installation is in on the outer peripheral face of annular fastener, along axial equipartition on the outer peripheral face of annular fastener have at least three adjustment spanner cartridge hole sites.
Basically, the plane cutter comprises an annular cutter, the middle via hole of the annular cutter is a conical via hole, and a cutting edge is formed at the joint of the small hole end of the conical via hole and one end face of the annular cutter.
The annular cutter comprises a metal matrix and a hard alloy coating, two end faces of the annular cutter are parallel and perpendicular to the axis, the other end face of the annular cutter is an annular positioning end face, and the outer peripheral surface of the annular cutter is a peripheral positioning face.
The deviation corrector comprises a base, an inlet piece, an inlet longitudinal adjusting mechanism and an outlet piece, wherein the inlet piece is provided with a taper hole mechanism, the inlet longitudinal adjusting mechanism comprises a deviation correcting sliding block, an adjusting bolt and a stop block, the deviation correcting sliding block is vertically and slidably arranged on one side of the base, the stop block is fixed on the base, a threaded hole is formed in the stop block, a threaded section of the adjusting bolt is matched with the threaded hole in the stop block, the bottom end of the adjusting bolt is movably connected with the base, the screwing direction of the adjusting bolt is consistent with the moving direction of the deviation correcting sliding block, and the inlet piece is embedded in the sliding block; the outlet piece is fixed on the other side of the base through the fixing piece, the outlet piece is provided with an arc transition reaming hole with an inlet larger than the outlet, and the base is provided with a connecting hole communicated with the inlet piece and the outlet piece.
The base is characterized in that the bottom end of the base of the deviation corrector is provided with a transverse adjusting long hole, the base of the deviation corrector is fixed on the platform through a bolt penetrating through the transverse adjusting long hole, one side of the base is provided with a transverse adjusting bolt, and the transverse adjusting bolt is pressed against the side of the base.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, in particular to a pipe welding machine set, which adopts a direct driving mode of a gear motor to drive a forming roller set, and straightens materials through a vertical roller set with a stable structure so as to ensure the stability of the whole pipe forming process of the pipe welding machine set and further ensure the quality of welded pipes.
At the stage of weld burr removal, annular cutter is adopted, and the knife rest is planed in the cooperation, if current cutting edge wearing and tearing are too much, can switch new cutting edge into use through turned angle, has improved the rate of utilization greatly, simultaneously, because the design of annular structure, no matter how turned angle, under the effect of two locating surfaces, annular cutter's state is stable all the time, and utilization efficiency promotes greatly.
In the reducing unit, on the basis of the traditional reducing unit, a deviation corrector is added, and the deviation corrector is arranged between two adjacent reducing modules and is used for restraining the upwarp or the lateral deviation of a metal pipe so as to solve the problem that the physical space between the two reducing modules cannot be eliminated, avoid too many reducing modules from being connected, and ensure the use amount of the least reducing modules so as to ensure the precision of the metal pipe.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high stability welded pipe assembly according to the present invention.
Fig. 2 is a schematic structural view of a welded pipe assembly according to the present invention.
Fig. 3 is a cross-sectional view of a vertical roll stack in accordance with the present invention.
Fig. 4 is a cross-sectional view of the deburring mechanism of the present invention.
Fig. 5 is a schematic view of the overall structure of the deburring mechanism of the present invention.
Fig. 6 is a schematic view of the structure of the planing tool of the present invention.
Fig. 7 is a cross-sectional view of the reducing mill set of the present invention.
Fig. 8 is a schematic view of the overall structure of the reducing mill set of the present invention.
Fig. 9 is a schematic diagram of an exploded construction of the deviation corrector in the present invention.
In the figure: 1. a platform; 2. a pipe welding unit; 3. a deburring mechanism; 4. reducing mill sets.
Detailed Description
The technical scheme of the invention is further described in detail through the following specific embodiments.
As shown in fig. 1, a high-stability welded pipe unit comprises a platform 1, and a welded pipe unit 2, a deburring mechanism 3 and a reducing unit 4 which are sequentially arranged on the platform;
As shown in fig. 2 and 3, the welding tube set 2 includes a welding tube housing 2-1, a plurality of forming roller sets 2-2, a plurality of vertical roller sets 2-3, a plurality of forming gear motors 2-4, a welding tube machine 2-5 and a vertical roller output roller set 2-6, the welding tube housing 2-1 is fixed on a platform 1 in two rows and opposite to each other, the forming roller sets 2-2 are sequentially installed on the welding tube housing, the forming gear motors 2-4 drive the forming roller sets 2-2 to rotate, the welding tube machine 2-5 is arranged at the tail end of the forming roller set 2-3, the vertical roller sets are installed between two adjacent forming roller sets and at the front end of the first forming roller set, the vertical roller output roller set 2-6 includes a plurality of pairs of vertical roller sets arranged in parallel and straight line, and the vertical roller output roller sets are arranged at the output end of the welding tube machine.
The vertical roll unit consists of a vertical roll set 2-2 and a vertical roll output roll set 2-6, wherein the vertical roll set comprises a shell 2-7, a screw rod pull rod 2-8, a vertical shaft 2-9, two compaction inclined blocks 2-10, a gland 2-11, a compaction bolt 2-12 and a vertical roll 2-13;
A rectangular cavity is arranged in the shell 2-7, the upper end of the shell is open, the vertical shaft 2-9 is arranged in the rectangular cavity, the bottom end of the vertical shaft 2-9 is matched with the bottom of the rectangular cavity, an inclined plane 2-14 is arranged at the lower waist position of the vertical shaft 2-9, the pressing inclined block 2-10 is stuffed between the inclined plane 2-14 and the side wall of the rectangular cavity, the pressing cover is fixed at the open position of the upper end of the shell 2-7 and presses the pressing inclined block 2-10 through a pressing bolt 2-12, and the upper end of the vertical shaft 2-9 passes through the pressing cover 2-11 and is provided with the vertical roller 2-13;
The screw rod pull rod 2-8 is connected in a threaded through hole at the bottom end of the vertical shaft in a threaded manner and is used for adjusting the horizontal position of the vertical shaft.
The cross section of the compression inclined block 2-10 is trapezoid, the inclined plane of the compression inclined block 2-10 is in butt joint with the inclined plane of the vertical shaft 2-9, two parallel surfaces of the compression inclined block 2-10 are respectively clung to the vertical part of the vertical shaft 2-9 and the side wall of the rectangular cavity, in the embodiment, one of the two compression inclined blocks is a fixed inclined block, the other compression inclined block is an adjusting compression inclined block, the upper surface of the fixed inclined block is attached to a gland, and the adjusting compression inclined block is matched with the compression bolt 2-12 to compress.
As shown in fig. 4-6, the deburring mechanism 3 comprises at least one planer rest on which the planing tool is mounted and a planing tool whose height matches the output height of the vertical roll output roll set.
The planing tool rest comprises an inclined support base, an up-down adjusting mechanism, an angle adjusting mechanism and a compacting mechanism;
the diagonal bracing base comprises a base 3-1 and a diagonal bracing surface 3-2, wherein a transverse sliding chute and a locking bolt are arranged on the base, and a diagonal bracing surface middle through hole and a vertical sliding chute are arranged on the diagonal bracing surface;
the upper and lower adjusting mechanism comprises a sliding block 3-3 and an adjusting bolt 3-4, the back surface of the sliding block 3-3 is slidably arranged in the vertical sliding groove, an annular boss 3-5 is arranged at the front end of the sliding block 3-3, a sliding block middle through hole is formed in the sliding block 3-3, the bottom end of the adjusting bolt 3-4 is movably connected with the top end of the sliding block 3-3, a threaded hole is formed in the inclined supporting surface 3-2, a threaded section of the adjusting bolt 3-4 is in threaded connection with the threaded hole, and the spiral advancing direction of the adjusting bolt 3-4 is consistent with the extending direction of the vertical sliding groove;
The angle adjusting mechanism comprises an annular clamping piece 3-6 and an adjusting spanner 3-7, wherein the rear end of the annular clamping piece 3-6 is clamped on the annular boss 3-5 and is fixedly pressed on the boss through the pressing mechanism, the front end of the annular clamping piece is provided with an annular cutter mounting hole site for mounting a planing tool 3-8, and the adjusting spanner 3-7 is fixed on the peripheral surface of the annular clamping piece 3-6;
and the inclined support surface middle via hole, the sliding block middle via hole and the cutter mounting hole position form a welded pipe via hole.
The pressing mechanism comprises at least two stop blocks fixed on the sliding block 3-3 and pressing bolts 3-9 in threaded connection with the stop blocks, the spiral advancing direction of the two pressing bolts 3-9 points to the circle center of the welded pipe through hole, an annular clamping groove 3-10 is formed in the outer peripheral surface of the annular clamping piece 3-6 corresponding to the pressing bolts 3-9, the pressing bolts 3-9 are pressed in the annular clamping groove 3-10 in a propped mode, the adjusting wrench 3-7 is detachably mounted on the outer peripheral surface of the annular clamping piece 3-6, and at least three adjusting wrench inserting holes are uniformly distributed on the outer peripheral surface of the annular clamping piece 3-6 along the axial direction.
The planing tool 3-8 comprises an annular tool, a middle via hole of the annular tool is a conical via hole 3-11, a cutting edge is formed at the joint of the small hole end of the conical via hole and one end face of the annular tool, the annular tool comprises a metal matrix and a hard alloy coating, two end faces of the annular tool are parallel and perpendicular to an axis, the other end face of the annular tool is an annular positioning end face, and the outer peripheral surface of the annular tool is a peripheral positioning face.
As shown in fig. 7-9, the reducing mill set 4 includes a reducing housing 4-1, a plurality of reducing modules 4-2, a plurality of reducing motors 4-3 and a plurality of deviation rectifying devices 4-4, wherein the reducing housing 4-1 is fixed on a platform in two rows and opposite, the reducing modules 4-2 are sequentially arranged on the reducing housing, the reducing motors 4-3 drive the reducing modules one by one to roll, and the deviation rectifying devices 4-4 are arranged between at least one group of adjacent reducing modules; the inlet end of the deviation corrector is designed into a flaring structure, the outlet end of the deviation corrector is designed into a necking structure, and the height of the diameter reducing module positioned at the first position is matched with the height of the planing tool.
The deviation corrector 4-4 comprises a base 4-5, an inlet piece 4-6, an inlet longitudinal adjusting mechanism and an outlet piece 4-7, wherein the inlet piece 4-6 is a mechanism with a taper hole, the inlet longitudinal adjusting mechanism comprises a deviation correcting sliding block 4-8, an adjusting bolt 4-9 and a stop block, the deviation correcting sliding block 4-8 is vertically and slidably arranged on one side of the base 4-5, the stop block is fixed on the base, a threaded hole is formed in the stop block, a threaded section of the adjusting bolt 4-9 is matched with the threaded hole in the stop block, the bottom end of the adjusting bolt 4-9 is movably connected with the base 4-5, the screwing direction of the adjusting bolt 4-9 is consistent with the moving direction of the deviation correcting sliding block 4-8, and the inlet piece is embedded in the sliding block; the outlet piece 4-7 is fixed on the other side of the base through the fixing piece 4-10, the outlet piece is provided with an arc transition reaming with an inlet larger than the outlet, and the base is provided with a connecting hole communicated with the inlet piece and the outlet piece.
The bottom end of the base of the deviation corrector is provided with a transverse adjusting long hole, the base of the deviation corrector is fixed on the platform through a bolt penetrating through the transverse adjusting long hole, one side of the base is provided with a transverse adjusting bolt 4-11, and the transverse adjusting bolt is propped against the side part of the base.
Working principle:
Conveying the pipe-making plate to a pipe welding unit by a pipe conveying device, performing compression molding by a plurality of molding roller groups, bending the flat plate into a pipe shape until the flat plate is completely bent into a circular pipe, welding a welding seam by a pipe welding machine, and molding the metal pipe; the vertical roll roller set is supported by the stable structure of the vertical roll roller set, can not be unfolded and offset by the pipe, can ensure continuous stability and advancing direction of the pipe, can ensure forming quality of the pipe, can ensure straightness of outward output of the formed pipe, and can avoid offset.
The formed metal pipe enters a deburring mechanism, a welding line is in a straight line, the welding line contacts with a planing tool to deburr, and the number of the planing tool and a planing tool rest can be set according to the deburring degree so as to ensure the quality of the pipe; wherein, after local blade wearing and tearing of planer tool, accessible adjustment wrench rotates certain angle, and the planer tool follows and rotates certain angle, handles the burr with new blade for annular planer tool cutting edge obtains make full use of like this, and need not to consider the accuracy and the stability problem of planer tool after the adjustment.
The metal tube after the deburring gets into the reducing mill group, reducing module and the quantity of deviation rectifier set up as required in the reducing mill group, the metal tube is at the reducing in-process, from major diameter to minor diameter, the in-process of big wall thickness to little wall thickness, the numerical value is the smaller, the probability of upwarp and skew is bigger, because reducing module is the roller group of prototype, can regard as the point contact with the metal tube, two reducing modules are because physical structure's problem and installation component problem, hardly be close to the installation, there is the hole in the centre necessarily, lead to can't overcome upwarp and skew problem through the mode that shortens reducing module clearance.
Therefore, the deviation corrector is arranged between two groups of reducing modules, wherein due to the easily deviated property of the metal pipe at the inlet side, the inlet longitudinal adjusting mechanism is designed to be matched with the transverse adjusting bolt, so that the accurate butt joint with the metal pipe can be realized, then the metal pipe is restrained on a required route through the taper hole on the inlet piece and the circular arc transitional reaming on the outlet piece, and then the metal pipe is output to the next group of reducing modules, thereby effectively avoiding the upwarp and deviation of the metal pipe and avoiding the problem of increasing the cost of the reducing modules.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (6)
1. A high stability welded tube unit, its characterized in that: comprises a platform, a welded pipe unit, a deburring mechanism and a reducing unit which are sequentially arranged on the platform;
The welding tube machine set comprises a welding tube housing, a plurality of forming roller sets, a plurality of vertical roller sets, a plurality of forming gear motors, a welding tube machine and a vertical roller output roller set, wherein the welding tube housing is fixed on a platform in a two-row opposite mode, the forming roller sets are sequentially arranged on the welding tube housing, the forming gear motors drive the forming roller sets to rotate, the welding tube machine is arranged at the tail end of the forming roller set, the vertical roller sets are arranged between two adjacent forming roller sets and at the front end of the first forming roller set, the vertical roller output roller set comprises a plurality of pairs of vertical roller sets which are arranged in a straight line side by side, and the vertical roller output roller set is arranged at the output end of the welding tube machine;
The deburring mechanism comprises at least one planer rest and a planer, wherein the planer is arranged on the planer rest, and the height of the planer is matched with the output height of the vertical roll output roll set;
The reducing machine set comprises a reducing housing, a plurality of reducing modules, a plurality of reducing motors and a plurality of deviation correcting devices, wherein the reducing housing is fixed on a platform in a two-row opposite mode, the reducing modules are arranged on the reducing housing in sequence, the reducing motors drive the reducing modules to roll one by one, and the deviation correcting devices are arranged between at least one group of adjacent reducing modules; the inlet end of the deviation corrector is designed to be in a flaring structure, the outlet end of the deviation corrector is designed to be in a necking structure, and the height of the diameter reducing module positioned at the first position is matched with the height of the planing tool; the vertical roll unit consists of a shell, a screw rod pull rod, a vertical shaft, two compaction inclined blocks, a gland, a compaction bolt and a vertical roll;
The vertical shaft is arranged in the rectangular cavity, the bottom end of the vertical shaft is matched with the bottom of the rectangular cavity, an inclined plane is arranged at the lower waist position of the vertical shaft, the pressing inclined block is stuffed between the inclined plane and the side wall of the rectangular cavity, the pressing cover is fixed at the opening of the upper end of the housing and presses the pressing inclined block through the pressing bolt, and the upper end of the vertical shaft penetrates through the pressing cover and is provided with the vertical roller;
The screw rod pull rod is in threaded connection with the threaded through hole at the bottom end of the vertical shaft and is used for adjusting the horizontal position of the vertical shaft; the planing tool rest comprises an inclined support base, an up-down adjusting mechanism, an angle adjusting mechanism and a compacting mechanism;
The diagonal bracing base comprises a base and a diagonal bracing surface, wherein a transverse sliding chute and a locking bolt are arranged on the base, and a middle through hole and a vertical sliding chute of the diagonal bracing surface are arranged on the diagonal bracing surface;
The upper and lower adjusting mechanism comprises a sliding block and an adjusting bolt, the back surface of the sliding block is slidably arranged in the vertical sliding groove, the front end of the sliding block is provided with an annular boss, the sliding block is provided with a middle through hole of the sliding block, the bottom end of the adjusting bolt is movably connected with the top end of the sliding block, the inclined supporting surface is provided with a threaded hole, the threaded section of the adjusting bolt is in threaded connection with the threaded hole, and the spiral advancing direction of the adjusting bolt is consistent with the extending direction of the vertical sliding groove;
The angle adjusting mechanism comprises an annular clamping piece and an adjusting spanner, the rear end of the annular clamping piece is clamped on the annular boss and is fixedly pressed on the boss through the pressing mechanism, the front end of the annular clamping piece is provided with an annular cutter mounting hole site, and the adjusting spanner is fixed on the outer peripheral surface of the annular clamping piece;
and the inclined support surface middle via hole, the sliding block middle via hole and the cutter mounting hole position form a welded pipe via hole.
2. The high stability welded pipe assembly of claim 1, wherein: the pressing mechanism comprises at least two stop blocks fixed on the sliding block and pressing bolts in threaded connection with the stop blocks, the spiral advancing directions of the two pressing bolts point to the circle center of the welded pipe through hole, annular clamping grooves are formed in the outer peripheral surface of the annular clamping piece corresponding to the pressing bolts, the pressing bolts are pressed in the annular clamping grooves in a propping mode, adjusting wrench is detachably mounted on the outer peripheral surface of the annular clamping piece, and at least three adjusting wrench inserting holes are uniformly distributed in the outer peripheral surface of the annular clamping piece along the axial direction.
3. The high stability welded pipe assembly of claim 2, wherein: the planing tool comprises an annular tool, wherein a middle via hole of the annular tool is a conical via hole, and a cutting edge is formed at the joint of the small hole end of the conical via hole and one end face of the annular tool.
4. A high stability welded pipe assembly according to claim 3, wherein: the annular cutter comprises a metal matrix and a hard alloy coating, two end faces of the annular cutter are parallel and perpendicular to the axis, the other end face of the annular cutter is an annular positioning end face, and the outer peripheral surface of the annular cutter is a peripheral positioning face.
5. The high stability welded pipe assembly of claim 4 wherein: the deviation corrector comprises a base, an inlet piece, an inlet longitudinal adjusting mechanism and an outlet piece, wherein the inlet piece is a mechanism with a taper hole, the inlet longitudinal adjusting mechanism comprises a deviation correcting sliding block, an adjusting bolt and a stop block, the deviation correcting sliding block is vertically and slidably arranged on one side of the base, the stop block is fixed on the base, a threaded hole is formed in the stop block, a threaded section of the adjusting bolt is matched with the threaded hole in the stop block, the bottom end of the adjusting bolt is movably connected with the base, the screwing direction of the adjusting bolt is consistent with the moving direction of the deviation correcting sliding block, and the inlet piece is embedded in the sliding block; the outlet piece is fixed on the other side of the base through the fixing piece, the outlet piece is provided with an arc transition reaming hole with an inlet larger than the outlet, and the base is provided with a connecting hole communicated with the inlet piece and the outlet piece.
6. The high stability welded pipe assembly of claim 5, wherein: the bottom end of the base of the deviation corrector is provided with a transverse adjusting long hole, the base of the deviation corrector is fixed on the platform through a bolt penetrating through the transverse adjusting long hole, one side of the base is provided with a transverse adjusting bolt, and the transverse adjusting bolt is propped against the side part of the base.
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| GB104117A (en) * | 1916-08-29 | 1917-02-22 | John Thomas Knowles | Improvements relating to the Manufacture of Pipes or Tubing, particularly the Removal of Interior Burrs or similar Irregularities of Surface. |
| KR102400687B1 (en) * | 2018-03-16 | 2022-05-20 | 제이에프이 스틸 가부시키가이샤 | Manufacturing method of each steel pipe and each steel pipe |
| CN210172216U (en) * | 2019-06-26 | 2020-03-24 | 扬州伟光机械制造有限公司 | Shaping device of welded pipe unit |
| CN110252825B (en) * | 2019-06-26 | 2024-04-09 | 扬州伟光机械制造有限公司 | Production device of welded pipe unit |
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