CN115464477B - Automatic processing equipment of high-finish corrosion-resistant high-strength seamless steel tube for ship - Google Patents
Automatic processing equipment of high-finish corrosion-resistant high-strength seamless steel tube for ship Download PDFInfo
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- CN115464477B CN115464477B CN202211076352.6A CN202211076352A CN115464477B CN 115464477 B CN115464477 B CN 115464477B CN 202211076352 A CN202211076352 A CN 202211076352A CN 115464477 B CN115464477 B CN 115464477B
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- ring
- steel pipe
- ring body
- plug
- polishing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 94
- 239000010959 steel Substances 0.000 title claims abstract description 94
- 230000007797 corrosion Effects 0.000 title claims abstract description 20
- 238000005260 corrosion Methods 0.000 title claims abstract description 20
- 238000005498 polishing Methods 0.000 claims abstract description 78
- 238000005096 rolling process Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
- B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses automatic processing equipment of a high-finish corrosion-resistant high-strength seamless steel pipe for a ship, which comprises a roller device, a core rod and a plug, wherein a plurality of pairs of rollers are arranged on the roller device, the distance between each pair of rollers is gradually decreased towards the output direction of the steel pipe, an outer calibration polishing mechanism is respectively arranged between each pair of rollers, the outer calibration polishing mechanism consists of a first ring body and a first polishing ring which are connected between each pair of rollers in a reciprocating manner, a plurality of convex rings are arranged on the plug, an inner calibration polishing mechanism is also arranged on the plug on one side of each convex ring, and consists of a second ring body and a second polishing ring which are connected on the plug in a reciprocating manner.
Description
Technical Field
The invention relates to automatic processing equipment of a high-finish corrosion-resistant high-strength seamless steel pipe for a ship.
Background
The high-strength seamless steel tube for the ship has high requirements on the surface finish of the high-strength seamless steel tube so as to improve the corrosion resistance of the high-strength seamless steel tube;
In the prior art, after rolling is finished, the outer surface of the high-strength seamless steel pipe for the ship is subjected to repeated fine grinding so as to eliminate tiny flaws generated in the rolling process and enable the outer surface of the high-strength seamless steel pipe to be expressed to a higher finish degree;
The processing mode has the following defects: the repeated fine grinding is carried out after the rolling is finished, and defects generated in the steel pipe in the rolling process can lead to the amplification of defects on the subsequent part of the steel pipe, thereby causing trouble to subsequent grinding; only the outer wall of the steel pipe can be finely ground, and the inner wall of the steel pipe is difficult to treat, so that the steel pipe is easy to rust from the inside, and the service life of the steel pipe is further reduced; the steel pipe just rolled has lower surface precision and finish, and needs subsequent repeated straightening and polishing, which is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides processing equipment of the high-finish corrosion-resistant high-strength seamless steel tube for the ship, wherein the processing equipment is used for carrying out real-time calibration and polishing on the inner periphery and the outer periphery of the seamless steel tube in the rolling process, so that defects are avoided from being amplified, the optical cleanliness of the inner peripheral surface of the rolled steel tube is improved, and a foundation is laid for improving the efficiency of the subsequent processing procedure.
The technical scheme of the invention is as follows: the automatic processing equipment of the high-finish corrosion-resistant high-strength seamless steel tube for the ship comprises a roller device, a core rod and a plug, wherein a plurality of pairs of rollers are arranged on the roller device, the core rod is arranged in the processed steel tube in a penetrating manner, and the plug is fixed at the end part of the core rod and corresponds to each pair of rollers;
The distance between each pair of rollers is gradually decreased towards the output direction of the steel pipe, an external calibration polishing mechanism is further arranged between each pair of rollers, the external calibration polishing mechanism consists of a first ring body and a first polishing ring arranged in the first ring body, the first ring body is connected between each pair of rollers in a reciprocating manner, and the inner diameter of the first polishing ring corresponds to the outer diameter of the steel pipe after the last rolling;
The steel pipe rolling device comprises a steel pipe, and is characterized in that a plurality of convex rings are equidistantly arranged on a top, each convex ring is respectively arranged corresponding to each pair of rollers to support and roll a steel pipe in a matched mode, an inner calibration polishing mechanism is further arranged on the top at one end of each convex ring, which faces the output direction of the steel pipe, and consists of a second ring body and a second polishing ring arranged on the periphery of the second ring body, the second ring body is connected to the top in a reciprocating mode, and the outer diameter of the second polishing ring corresponds to the inner diameter of the steel pipe.
Optionally, the cross section of bulge loop is trapezoidal or right triangle, and when the cross section of bulge loop was right triangle, the top of bulge loop cross section was arc transition angle, the top of arc transition angle corresponds the setting with the centre of a circle plumb of two rollers that correspond.
Further, a first driving mechanism for driving the outer calibration polishing mechanism to move is arranged on the outer side of the roller device, a guide rod is further arranged on the two outer sides of the roller device respectively, a guide seat is arranged on the two sides of the first ring body respectively, and the two guide rods respectively penetrate through the corresponding guide seats.
Furthermore, the outer sides of the two guide seats are respectively provided with a sliding block, and the two outer sides of the roller device are respectively provided with sliding rails corresponding to the sliding blocks.
Further, a hole penetrating each other is formed in the core rod and the plug, a long rod is inserted into the hole, a plurality of pairs of deep grooves are formed in the plug, each deep groove corresponds to the stroke of the second ring body and penetrates through the hole, connecting pieces corresponding to the corresponding pairs of deep grooves are arranged on the inner periphery of the second ring body, each connecting piece penetrates through the corresponding deep groove to be connected with the long rod, and a second driving mechanism for driving the long rod to stretch out and draw back is connected to the outer end of the long rod.
Further, the second ring body is formed by connecting two semi-ring bodies, the inner periphery and the outer periphery of the two semi-ring bodies are respectively provided with a fixing part, the connecting sheet is connected to the inner side of the semi-ring body, the second polishing ring is composed of a plurality of arc polishing sheets, and each arc polishing sheet is fixed to the outer periphery of the second ring body to form a complete annular polishing sheet.
Further, the periphery of the long rod is also provided with a plurality of copper rings at equal distance, the long rod is provided with a plurality of bulges, and the periphery of each bulge is coated with the copper rings.
Further, a plurality of chip storage grooves are formed in the periphery of the second polishing ring at equal distances, and the connection part of the chip storage grooves and the outer wall of the second polishing ring is in arc transition connection.
Further, a plurality of chip grooves penetrating through the chip grooves are further formed in the second polishing ring.
Further, the core rod one end has spacing platform, the top cover is put at the core rod tip, the rear end of top is by spacing platform spacing, the front end of top is spacing by fixed sleeve, have a plurality of pairs of deep grooves that correspond each other on top and the core rod, still have the location bump and the location shrinkage pool that correspond each other on the tip of top and fixed sleeve, the spacing platform tip.
The beneficial effects of the invention are as follows:
1. The invention designs a plurality of pairs of rollers with intervals gradually decreasing towards the output direction of the steel pipe, the reducing processing of the pipe blank is gradual rather than rolling for one time, the smoothness of the steel pipe during rolling can be effectively ensured, and the surface smoothness of the steel pipe is further improved;
2. When the steel pipe passes through each pair of rollers, the inner periphery and the outer periphery of the steel pipe are simultaneously polished and calibrated in real time by the outer calibration polishing mechanism and the inner calibration polishing mechanism so as to remove slight flaws generated on the outer wall and the inner wall in the rolling process, calibrate the concentricity of the inner periphery and the outer periphery of the steel pipe, improve the precision and the finish, and improve the corrosion resistance of the steel pipe at the same time by improving the finish; the progressive expanding is matched with real-time polishing calibration, so that the condition that flaws on the steel pipe are continuously amplified can be effectively avoided;
3. the external calibration polishing mechanism performs double positioning movement through the guide rod, the sliding block and the sliding rail so as to ensure the polishing effect and the calibration precision of the external calibration polishing mechanism on the steel pipe;
4. The second ring body and the second polishing ring of the internal calibration polishing mechanism are of split type design so as to be convenient for disassembly and assembly, the long rod is positioned by the hole, the second polishing ring is propped against the inner periphery of the steel pipe under the support of the second ring body, and the polishing effect and the calibration precision of the steel pipe can be ensured;
5. the second polishing ring is provided with a chip storage groove and a chip removal groove so as to solve the problem that the second polishing ring is positioned between the steel pipe and the core rod and the chip removal is inconvenient during polishing.
6. The inner wall butt of stock periphery through copper ring and hole to concentricity and smoothness when guaranteeing the stock and flexible, and then guarantee interior calibration grinding machanism's polishing effect and calibration precision.
Drawings
FIG. 1 is a schematic view of the transverse structure of the present invention;
FIG. 2 is a schematic view of the structure of the external calibration polishing mechanism of the present invention;
FIG. 3 is a schematic illustration of the core rod and plug of the present invention;
FIG. 4 is a schematic view of the structure of the internal calibration polishing mechanism of the present invention;
FIG. 5 is an enlarged view of the junction of the core pin and bore of the present invention;
FIG. 6 is a schematic view of the construction of a second sanding ring of the present invention;
Fig. 7 is a schematic view of the structure of the arc-shaped polishing sheet of the present invention.
In the figure: roller 1, core bar 2, steel pipe 3, top 4, first ring body 5, first grinding ring 6, bulge loop 7, second ring body 8, second grinding ring 9, guide bar 10, guide holder 11, slider 12, stock 13, deep groove 14, connection piece 15, half ring body 16, arc grinding piece 17, copper ring 18, chip storage groove 19, chip groove 20, spacing table 21, fixed sleeve 22.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
1-4, An automatic processing device of a high-finish corrosion-resistant high-strength seamless steel tube for a ship comprises a roller device, a core rod 2 and a plug 4;
The roller device is provided with a plurality of pairs of rollers 1, the core rod 2 is arranged in the processed steel pipe 3 in a penetrating way, and the plug 4 is fixed at the end part of the core rod 2 and is arranged corresponding to each pair of rollers 1;
The distance between each pair of rollers 1 decreases gradually towards the output direction of the steel pipe 3, an external calibration polishing mechanism is arranged between each pair of rollers 1, the external calibration polishing mechanism consists of a first ring body 5 and a first polishing ring 6 arranged in the first ring body 5, the first ring body 5 is connected between each pair of rollers 1 in a sliding manner, and the inner diameter of the first polishing ring 6 corresponds to the outer diameter of the steel pipe 3 after the last rolling; the steel pipe 3 is rolled between a pair of rollers 1 and is conveyed forwards, in the conveying process, a first grinding ring 6 of an external calibration grinding mechanism is sleeved on the steel pipe 3 and is subjected to reciprocating displacement to grind, and the grinding process can improve the finish of the steel pipe 3 on one hand and can eliminate micro flaws generated by rolling on the surface of the steel pipe 3 on the other hand in real time and calibrate the micro flaws;
A plurality of convex rings 7 are equidistantly arranged on the top 4, each convex ring 7 is respectively arranged corresponding to each pair of rollers 1 to support and roll the steel pipe 3 in cooperation with the roller 1, an inner calibration polishing mechanism is further arranged on the top 4 at one end of each convex ring 7 facing the output direction of the steel pipe 3, the inner calibration polishing mechanism consists of a second ring body 8 and a second polishing ring 9 arranged on the periphery of the second ring body 8, the second ring body 8 is connected to the top 4 in a sliding manner, and the outer diameter of the second polishing ring 9 corresponds to the inner diameter of the steel pipe 3; the rolled steel tube 3 is conveyed forwards, in the conveying process, a second polishing ring 9 of the inner calibration polishing mechanism is abutted against the inner wall of the steel tube 3 and is subjected to reciprocating displacement to polish the steel tube, the polishing process mainly aims at eliminating fine flaws generated by rolling of the inner periphery of the steel tube 3 and improving the smoothness of the inner wall of the steel tube, and meanwhile, the inner calibration polishing mechanism also calibrates the inner periphery of the steel tube 3;
specifically, the number of the rollers 1 is three, the number of the convex rings 7 is three, and the number of the outer calibration polishing mechanism and the inner calibration polishing mechanism is two.
The working principle of the structure and the beneficial effects are that: the processed tube blank is supported on a bracket and is pushed by a pushing mechanism to pass through between each pair of rollers 1, and the distance between each pair of rollers 1 decreases gradually towards the output direction of the steel tube 3, so that the reducing of the tube blank is formed by gradual rolling instead of primary rolling, the smoothness of the steel tube 3 during rolling can be effectively ensured, and the surface smoothness of the steel tube is further improved; when the steel pipe 3 passes through each pair of rollers 1, the inner periphery and the outer periphery of the steel pipe are polished and calibrated by the outer calibration polishing mechanism and the inner calibration polishing mechanism at the same time, so that slight flaws generated on the outer wall and the inner wall of the steel pipe in the rolling process are removed, the concentricity of the inner periphery and the outer periphery of the steel pipe is calibrated, the precision and the finish degree of the steel pipe are improved, and the corrosion resistance of the steel pipe is improved at the same time by improving the finish degree of the steel pipe.
In another embodiment, the cross section of the convex ring 7 is a trapezoid or a right triangle, when the cross section of the convex ring 7 is a right triangle, the top end of the cross section of the convex ring 7 is an arc transition angle, and the end of the arc transition angle is correspondingly arranged with the center plumb of the corresponding two rollers 1, so that the friction force between the steel pipe 3 and the convex ring 7 and between the steel pipe 3 and the rollers 1 in the rolling process is reduced, and the steel pipe 3 is easy to push forwards;
In another embodiment, as shown in fig. 2, a first driving mechanism for driving the outer calibration polishing mechanism to perform displacement is arranged at the outer side of the roller device, a guide rod 10 is further arranged at the two outer sides of the roller device, a guide seat 11 is respectively arranged at the two sides of the first ring body 5, and the two guide rods 10 respectively pass through the corresponding guide seats 11 so as to maintain the stability of the outer calibration polishing mechanism during displacement, and further improve the polishing and calibration precision of the outer calibration polishing mechanism to the steel pipe 3;
specifically, the first driving mechanism is an air cylinder, a hydraulic cylinder or a screw rod device driven by a servo motor;
In another embodiment, as shown in fig. 2, considering that the first ring 5 also plays a role in calibration, the outer sides of the two guide seats 11 are respectively provided with a sliding block 12, and the two outer sides of the roller device are respectively provided with sliding rails corresponding to the sliding blocks 12, so as to further enhance the connection stability of the first ring 5;
In another embodiment, as shown in fig. 1 and fig. 3, the core rod 2 and the plug 4 have a hole that is mutually penetrated, a long rod 13 is inserted into the hole, the plug 4 has a plurality of pairs of deep grooves 14, each deep groove 14 is disposed corresponding to the stroke of the second ring body 8 and is communicated with the hole, the inner circumference of the second ring body 8 has a connecting piece 15 corresponding to each pair of deep grooves 14, each connecting piece 15 passes through the deep groove 14 and is connected with the long rod 13, and the outer end of the long rod 13 is connected with a second driving mechanism for driving the long rod to stretch; the second driving mechanism drives the long rod 13 to stretch and retract, the long rod 13 drives the second ring body 8 to reciprocate through the connecting sheet 15, and then the second polishing ring 9 polishes and calibrates the inner periphery of the steel pipe 3; because the reducing amount of the inner diameter of the steel pipe 3 is relatively small, the long rod 13 is positioned by the hole, and the second polishing ring 9 is propped against the inner periphery of the steel pipe 3 under the support of the second ring body 8, the inner calibration polishing mechanism can ensure the polishing and calibration precision without adding excessive supporting structures;
specifically, the second driving mechanism is an air cylinder, a hydraulic cylinder or a screw rod device driven by a servo motor;
In another embodiment, as shown in fig. 4 and 7, in order to facilitate the installation and fixation of the second ring body 8 and the second polishing ring 9, the second ring body 8 is formed by connecting two half ring bodies 16, the inner and outer circumferences of the two half ring bodies 16 are respectively provided with a fixing part, the connecting piece 15 is connected to the inner side of the half ring body 16, the second polishing ring 9 is composed of a plurality of arc polishing sheets 17, and each arc polishing sheet 17 is fixed on the outer circumference of the second ring body 8 to form a complete annular polishing sheet;
In another embodiment, the first abrasive sheet is also comprised of a plurality of arcuate abrasive sheets 17;
In another embodiment, as shown in fig. 5, in order to ensure the smoothness of the sliding of the long rod 13, a plurality of copper rings 18 are fixed on the periphery of the long rod 13 at equal intervals, and the copper rings 18 can reduce the contact area between the long rod 13 and the hole on one hand and have better self-lubricating performance on the other hand;
specifically, the long rod 13 is provided with a plurality of protrusions, and the periphery of each protrusion is coated with the copper ring 18 to support the copper ring 18, so that the concentricity of the long rod 13 during expansion and contraction is prevented from being influenced due to large deformation of the copper ring 18;
In another embodiment, as shown in fig. 6, a plurality of chip storage grooves 19 are formed on the periphery of the second polishing ring 9 at equal distances, and the connection parts of the chip storage grooves 19 and the outer wall of the second polishing ring 9 are in arc transition connection, so that on one hand, the resistance of the second polishing ring 9 to the polishing calibration of the steel pipe 3 is reduced, and on the other hand, each chip storage groove 19 is used for temporarily storing chips;
In another embodiment, as shown in fig. 7, each of the arc-shaped polishing sheets 17 is further provided with a plurality of chip grooves 20 for discharging chips temporarily stored in the chip grooves 19;
in another embodiment, as shown in fig. 1, one end of the core rod 2 is provided with a limiting table 21, the plug 4 is sleeved at the end of the core rod 2, the rear end of the plug 4 is limited by the limiting table 21, and the front end of the plug 4 is limited by a fixing sleeve 22, so that the plug 4 can be conveniently disassembled;
In another embodiment, the plug 4 and the core rod 2 have a plurality of pairs of deep grooves 14 corresponding to each other, and the end of the plug 4 and the ends of the fixing sleeve 22 and the limiting table 21 also have corresponding positioning protruding points and positioning concave holes, so that the positioning of the pairs of deep grooves 14 is overlapped, and the plug 4 is prevented from rotating.
Claims (10)
1. The automatic processing equipment of the high-finish corrosion-resistant high-strength seamless steel tube for the ship comprises a roller device, a core rod (2) and a plug (4), and is characterized in that a plurality of pairs of rollers (1) are arranged on the roller device, the core rod (2) is arranged in the processed steel tube (3) in a penetrating manner, and the plug (4) is fixed at the end part of the core rod (2) and is arranged corresponding to each pair of rollers (1);
the distance between each pair of rollers (1) decreases gradually towards the output direction of the steel tube (3), an external calibration polishing mechanism is arranged between each pair of rollers (1), the external calibration polishing mechanism consists of a first ring body (5) and a first polishing ring (6) arranged in the first ring body (5), the first ring body (5) is connected between each pair of rollers (1) in a reciprocating manner, and the inner diameter of the first polishing ring (6) corresponds to the outer diameter of the steel tube (3) after the last rolling;
The utility model discloses a steel pipe (3) is formed by polishing, including top (4) and second ring body (8), protruding ring (7) are provided with multichannel bulge loop (7) on top (4) equidistance, and each bulge loop (7) corresponds respectively and sets up to each pair of roll (1) to cooperate roll (1) to provide support and roll steel pipe (3), each protruding ring (7) still are equipped with interior calibration grinding machanism on top (4) towards steel pipe (3) output direction one end, interior calibration grinding machanism comprises second ring body (8) and second grinding ring (9) of setting in second ring body (8) periphery, second ring body (8) reciprocating motion is connected on top (4), the external diameter of second grinding ring (9) corresponds with the internal diameter of steel pipe (3).
2. The automatic processing equipment of the high-finish corrosion-resistant high-strength seamless steel pipe for the ship according to claim 1, wherein the cross section of the convex ring (7) is trapezoid or right triangle, when the cross section of the convex ring (7) is right triangle, the top end of the cross section of the convex ring (7) is arc transition angle, and the top end of the arc transition angle is arranged corresponding to the center plumb of the corresponding two rollers (1).
3. The automatic processing equipment for the high-finish corrosion-resistant high-strength seamless steel pipe for the ship according to claim 1, wherein a first driving mechanism for driving the outer calibration polishing mechanism to move is arranged on the outer side of the roller device, guide rods (10) are further arranged on the two outer sides of the roller device respectively, guide seats (11) are arranged on the two sides of the first ring body (5) respectively, and the two guide rods (10) respectively penetrate through the corresponding guide seats (11).
4. An automated processing apparatus for a high-finish corrosion-resistant high-strength seamless steel pipe for a ship according to claim 3, wherein the outer sides of the two guide holders (11) are respectively provided with a slide block (12), and the outer sides of the roller device are respectively provided with slide rails corresponding to the slide blocks (12).
5. An automated processing unit for high-finish corrosion-resistant high-strength seamless steel pipes for ships according to claim 3, wherein the core rod (2) and the plug (4) are provided with a hole which is mutually communicated, a long rod (13) is inserted into the hole, the plug (4) is provided with a plurality of pairs of deep grooves (14), each deep groove (14) is arranged corresponding to the stroke of the second ring body (8) and is communicated with the hole, the inner periphery of the second ring body (8) is provided with a connecting sheet (15) corresponding to each pair of deep grooves (14), each connecting sheet (15) penetrates through the deep groove (14) to be connected with the long rod (13), and the outer end of the long rod (13) is connected with a second driving mechanism for driving the long rod (13) to stretch.
6. The automatic processing device for the high-finish corrosion-resistant high-strength seamless steel pipe for the ship according to claim 5, wherein the second ring body (8) is formed by connecting two half ring bodies (16), the inner periphery and the outer periphery of the two half ring bodies (16) are respectively provided with a fixing part, the connecting piece (15) is connected to the inner side of the half ring body (16), the second grinding ring (9) is composed of a plurality of arc grinding pieces (17), and each arc grinding piece (17) is fixed on the outer periphery of the second ring body (8) to form a complete annular grinding piece.
7. The automatic processing equipment of the high-finish corrosion-resistant high-strength seamless steel pipe for the ship according to claim 6, wherein a plurality of copper rings (18) are fixed on the periphery of the long rod (13) at equal intervals, a plurality of bulges are arranged on the long rod (13), and the copper rings (18) are coated on the periphery of each bulge.
8. The automatic processing equipment of the high-finish corrosion-resistant high-strength seamless steel pipe for the ship as claimed in claim 7, wherein a plurality of chip storage grooves (19) are formed in the periphery of the second grinding ring (9) at equal distances, and the connection part of the chip storage grooves (19) and the outer wall of the second grinding ring (9) is in arc transition connection.
9. An automated processing unit for high-finish corrosion-resistant high-strength seamless steel pipes for ships according to claim 8, characterized in that said second grinding ring (9) is further provided with a plurality of junk slots (20) penetrating through each junk slot.
10. The automatic processing device of the high-finish corrosion-resistant high-strength seamless steel tube for the ship according to claim 9, wherein one end of the core rod (2) is provided with a limiting table (21), the plug (4) is sleeved at the end of the core rod (2), the rear end of the plug (4) is limited by the limiting table (21), the front end of the plug (4) is limited by a fixing sleeve (22), the plug (4) and the core rod (2) are provided with a plurality of pairs of deep grooves (14) which correspond to each other, and the end of the plug (4) and the fixing sleeve (22) and the end of the limiting table (21) are also provided with positioning convex points and positioning concave holes which correspond to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211076352.6A CN115464477B (en) | 2022-09-05 | 2022-09-05 | Automatic processing equipment of high-finish corrosion-resistant high-strength seamless steel tube for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211076352.6A CN115464477B (en) | 2022-09-05 | 2022-09-05 | Automatic processing equipment of high-finish corrosion-resistant high-strength seamless steel tube for ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115464477A CN115464477A (en) | 2022-12-13 |
| CN115464477B true CN115464477B (en) | 2024-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211076352.6A Active CN115464477B (en) | 2022-09-05 | 2022-09-05 | Automatic processing equipment of high-finish corrosion-resistant high-strength seamless steel tube for ship |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09239416A (en) * | 1996-03-07 | 1997-09-16 | Sumitomo Metal Ind Ltd | Method for controlling speed of retract mandrel mill |
| JPH11254279A (en) * | 1998-03-12 | 1999-09-21 | Sumikin Stainless Kokan Kk | Device and method for finish polishing inner surface of metallic pipe |
| JP2002263711A (en) * | 2001-03-12 | 2002-09-17 | Kawasaki Steel Corp | Method for rolling steel tube with mandrel mill |
| CN1891364A (en) * | 2005-06-28 | 2007-01-10 | 住友金属工业株式会社 | Cold rolling process for metal tubes |
| CN109108743A (en) * | 2018-11-01 | 2019-01-01 | 温州市宇田钢管有限公司 | A kind of steel pipe grinding device |
| CN210549988U (en) * | 2019-10-08 | 2020-05-19 | 天津君晟科技发展有限公司 | Small-bore steel pipe internal surface grinding mechanism |
| CN112405139A (en) * | 2020-11-12 | 2021-02-26 | 灵璧久工精密钢管制造有限公司 | Inner wall polishing equipment for cold-rolled steel pipe and working method of inner wall polishing equipment |
| WO2022095271A1 (en) * | 2020-11-04 | 2022-05-12 | 太原科技大学 | Method for preparing multilayer metal composite pipe |
-
2022
- 2022-09-05 CN CN202211076352.6A patent/CN115464477B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09239416A (en) * | 1996-03-07 | 1997-09-16 | Sumitomo Metal Ind Ltd | Method for controlling speed of retract mandrel mill |
| JPH11254279A (en) * | 1998-03-12 | 1999-09-21 | Sumikin Stainless Kokan Kk | Device and method for finish polishing inner surface of metallic pipe |
| JP2002263711A (en) * | 2001-03-12 | 2002-09-17 | Kawasaki Steel Corp | Method for rolling steel tube with mandrel mill |
| CN1891364A (en) * | 2005-06-28 | 2007-01-10 | 住友金属工业株式会社 | Cold rolling process for metal tubes |
| CN109108743A (en) * | 2018-11-01 | 2019-01-01 | 温州市宇田钢管有限公司 | A kind of steel pipe grinding device |
| CN210549988U (en) * | 2019-10-08 | 2020-05-19 | 天津君晟科技发展有限公司 | Small-bore steel pipe internal surface grinding mechanism |
| WO2022095271A1 (en) * | 2020-11-04 | 2022-05-12 | 太原科技大学 | Method for preparing multilayer metal composite pipe |
| CN112405139A (en) * | 2020-11-12 | 2021-02-26 | 灵璧久工精密钢管制造有限公司 | Inner wall polishing equipment for cold-rolled steel pipe and working method of inner wall polishing equipment |
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| CN115464477A (en) | 2022-12-13 |
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