CN116967921A - Process and equipment for producing seamless steel tube - Google Patents
Process and equipment for producing seamless steel tube Download PDFInfo
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- CN116967921A CN116967921A CN202310978201.8A CN202310978201A CN116967921A CN 116967921 A CN116967921 A CN 116967921A CN 202310978201 A CN202310978201 A CN 202310978201A CN 116967921 A CN116967921 A CN 116967921A
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- wall
- seamless steel
- fixedly connected
- polishing
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 125
- 239000010959 steel Substances 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims description 4
- 230000008569 process Effects 0.000 title claims description 4
- 238000005498 polishing Methods 0.000 claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 26
- 238000005098 hot rolling Methods 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 230000007246 mechanism Effects 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 10
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 8
- 230000003449 preventive effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention belongs to the technical field of seamless pipe production, in particular to a seamless steel pipe production process and equipment thereof, which mainly comprise the following steps: melting, namely melting the steel blanks in equipment such as a converter, an electric furnace and the like; perforating, namely continuously perforating the molten steel billet by a perforating machine, and changing the steel billet into a seamless steel pipe prefabricated billet; hot rolling, namely hot rolling the prefabricated blank obtained by perforation to improve the tissue structure of steel; and (3) finish rolling, namely performing finish rolling processing on the seamless steel pipe obtained through hot rolling, so that the surface quality of the seamless steel pipe is better. According to the invention, the extension distance of the second electric push rod can be adjusted according to the seamless steel pipes with different diameters, so that the anti-slip pad firmly fixes the seamless steel pipes with different diameters, the condition that the surfaces of the seamless steel pipes are damaged during polishing can be well reduced, the addition metering of the antirust liquid can be automatically controlled, the waste of the antirust liquid is reduced, and the antirust effect of the seamless steel pipes is improved.
Description
Technical Field
The invention belongs to the technical field of seamless pipe production, and particularly relates to a seamless steel pipe production process and equipment thereof.
Background
The seamless steel pipe has important functions in the modern equipment manufacturing industry, is not only used for conveying fluid and powdery solids, exchanging heat energy and manufacturing mechanical parts and containers, but also has the problem that the surface of the seamless steel pipe is not smooth due to burrs, soldering tin residues and the like to different degrees after the preliminary processing of the seamless steel pipe is finished, so that the surface of the seamless steel pipe needs to be polished.
The seamless steel tube polishing machine in the prior art cannot realize continuous polishing of the seamless steel tube, polishing efficiency is low, meanwhile, the polishing machine cannot be suitable for polishing work of the seamless steel tube with different diameters, equipment is difficult to adjust, time is long, normal polishing work of the seamless steel tube is seriously affected, if the seamless steel tube which is not well polished is fixed, damage to the surface of the seamless steel tube can be caused in the production process, the surface of the seamless steel tube needs to be cleaned manually when the existing seamless steel tube is polished, time and labor are wasted, cleaning degree of each seamless steel tube is different, actual polishing effect of the seamless steel tube is different, overall qualification rate of products is affected, rust-proof liquid is smeared after polishing of the seamless steel tube, common protection measures are adopted, when the roughness degree of the outer wall of the seamless steel tube is different, the outer surface temperature of the seamless steel tube is also changed in the polishing process, and part of rust-proof liquid can be evaporated when the outer surface temperature of the seamless steel tube is too high, so that rust-proof effect of the seamless steel tube is affected.
To this end, we propose a seamless steel pipe production process and apparatus therefor to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provide a seamless steel tube production process and equipment thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the seamless steel tube production process is characterized by mainly comprising the following steps of:
s1, melting, namely melting a steel billet in equipment such as a converter, an electric furnace and the like;
s2, perforating, namely continuously perforating the steel billet obtained in the step S1 by a perforating machine, wherein the steel billet is changed into a seamless steel pipe prefabricated billet;
s3, hot rolling, namely hot rolling the prefabricated blank obtained in the step S2 to improve the tissue structure of the steel;
s4, finish rolling, namely, performing finish rolling processing on the seamless steel tube obtained in the step S3, and improving the surface quality of the seamless steel tube;
s5, polishing the surface of the seamless steel tube obtained in the step S4 by polishing equipment;
s6, rust prevention treatment, namely rust prevention is carried out on the surface of the seamless steel pipe obtained in the step S5 through rust prevention equipment.
Preferably, in the step S6, after the seamless steel pipes with different degrees of wear are polished, rust-preventing liquids with different degrees need to be added so as to increase the rust-preventing effect of the seamless steel pipes.
The utility model provides a polishing equipment that seamless steel pipe production technology used, includes the base, the upper end fixedly connected with of base two backup pads that correspond each other in position, two the upper end fixedly connected with of backup pad is the same shell, one of them the outer wall fixedly connected with first fixed plate of backup pad, biax motor is installed to the upper end of first fixed plate, one of them fixed establishment is all installed to the outer wall of backup pad, one of them biax motor's output fixedly connected with first belt pulley, shell's inner wall rotation is connected with reciprocating screw, reciprocating screw's outer wall fixedly connected with dwang, the through-hole with dwang assorted is seted up to shell's outer wall, the outer wall fixedly connected with second belt pulley of dwang, the same driving belt has all been cup jointed with the outer wall of second belt pulley, the outer wall screw thread of reciprocating screw cup joints threaded slider, the spout with threaded slider assorted is seted up to shell's lower extreme, threaded slider's lower extreme fixedly connected with, polishing mechanism is installed to the lower extreme of connecting block, the upper end of base installs circulating water connecting block.
Preferably, the polishing mechanism comprises a rectangular frame fixedly connected with the outer wall of the connecting block, two first electric push rods with two mutually corresponding positions are fixedly connected to the inner wall of the rectangular frame, two polishing frames are fixedly connected to the output ends of the first electric push rods, cavities are formed in the inner parts of the polishing frames, one of the polishing frames is communicated with a liquid outlet pipe with two mutually corresponding positions, electromagnetic valves are mounted on the outer wall of the liquid outlet pipe, a plurality of drainage holes are formed in the outer wall of the polishing frame, a liquid storage box is fixedly connected to the outer wall of the rectangular frame, a first hose is communicated with the outer wall of the liquid storage box, a through hole matched with the first hose is formed in the outer wall of the rectangular frame, and the first hose is communicated with one of the polishing frames.
Preferably, the water circulation mechanism comprises a water collection tank fixedly connected with the upper end of a base, a slag blocking plate is fixedly connected with the outer wall of the water collection tank, a first circulating pump is installed at the upper end of the protective casing, a first water pipe is communicated with the input end of the first circulating pump, the lower end of the first water pipe stretches into the water collection tank, a through hole matched with the first water pipe is formed in the outer wall of the slag blocking plate, a second water pipe is communicated with the output end of the first circulating pump, a filter tank is installed on the outer wall of the second water pipe, the outer wall of the filter tank is fixedly connected with the protective casing, a cleaning mechanism is installed on the outer wall of the second water pipe, an arc-shaped water pipe is communicated with the outer wall of the second water pipe, a plurality of water outlets corresponding to each other are installed on the outer wall of the arc-shaped water pipe, and inclined plates are fixedly connected with the outer wall of the water collection tank.
The preferred fixed establishment includes the backup pad outer wall rotates the spliced rotation post, two the outer wall of backup pad all offered with rotation post assorted through-hole, two the equal fixedly connected with electromagnetism fixing base of outer wall of rotation post, one of them the outer wall of rotation post and one of them output fixed connection of biax motor.
Preferably, the cleaning mechanism comprises a U-shaped frame fixedly connected with the outer wall of the second water pipe, two third electric push rods corresponding to each other in position are fixedly connected with the outer wall of the U-shaped frame, the output ends of the two third electric push rods are fixedly connected with cleaning blocks, and a dryer is fixedly connected with the outer wall of the U-shaped frame.
Preferably, one of them the outer wall intercommunication of polishing frame has the second hose, the outer wall fixedly connected with supporting seat of rectangle frame, the through-hole with second hose assorted is all seted up to the outer wall of supporting seat and rectangle frame, the second circulating pump is installed to the upper end of supporting seat, the second circulating pump is linked together with the second hose, the outer wall of second hose is linked together with depositing the liquid case.
Preferably, the heat collection piece is installed to the outer wall of rectangle frame, the outer wall intercommunication of rectangle frame has the outlet duct, the outlet duct is located the top of heat collection piece, the through-hole with outlet duct assorted is seted up to the outer wall of rectangle frame, one of them the outer wall of polishing frame is provided with the thermoelectric generation stick, thermoelectric generation stick outer wall is contradicted with the outer wall of seamless steel pipe and heat collection piece respectively and is connected, thermoelectric generation stick and solenoid valve electric connection.
Preferably, the outer wall of the protective casing is fixedly connected with a guide rod, the outer wall of the thread slider is provided with a through hole matched with the thread slider, and the guide rod is in sliding connection with the thread slider.
Compared with the prior art, the seamless steel tube production process and equipment thereof have the advantages that:
1. through the second electric putter, fixed plate and the slipmat of setting mutually support, can adjust the stretch out distance of second electric putter according to the seamless steel pipe of different diameters for slipmat firmly fixes the seamless steel pipe of different diameters, can reduce the impaired condition of seamless steel pipe surface when polishing well, has improved the result of use of this seamless steel pipe production technology and equipment.
2. Through header tank, first circulating pump, first water pipe, second water pipe, rose box, arc water pipe, water outlet head, swash plate and slag trap that set up, can make this seamless steel pipe production technology and equipment before polishing the seamless steel pipe, wash the clearance to the seamless steel pipe surface for the clearance degree of every seamless steel pipe reaches unanimously, has improved the holistic qualification rate of seamless steel pipe.
3. Through the thermoelectric generation stick, solenoid valve, deposit liquid case and the first hose of setting up mutually support, can be according to seamless steel pipe surface roughness's degree, solenoid valve automatic control antirust liquid's the measurement of adding has not only reduced antirust liquid's waste, but also has made seamless steel pipe antirust effect improve, has improved the practicality of the device greatly.
Drawings
FIG. 1 is a schematic diagram of a seamless steel tube polishing apparatus according to the present invention;
FIG. 2 is an enlarged schematic view of the polishing mechanism of the seamless steel tube polishing apparatus provided by the invention;
FIG. 3 is an enlarged schematic view of the fixing mechanism of the seamless steel tube polishing apparatus provided by the invention;
FIG. 4 is a partially enlarged perspective view of a water circulation mechanism of a seamless steel tube polishing apparatus according to the present invention;
FIG. 5 is a partially enlarged perspective view of a polishing mechanism of a seamless steel tube polishing apparatus according to the present invention;
FIG. 6 is an enlarged schematic view of the cleaning mechanism of the seamless steel tube polishing apparatus according to the present invention;
fig. 7 is an enlarged schematic view of the part a of the polishing apparatus for seamless steel pipes according to the present invention.
In the figure: 1 base, 2 supporting plates, 3 protective housing, 4 first fixed plates, 5 double-shaft motor, 6 guide rods, 7 seamless steel pipes, 8 fixed mechanisms, 811 rotary column, 812 electromagnetic fixed seat, 9 first belt pulley, 10 reciprocating screw rod, 11 rotary rod, 12 second belt pulley, 13 driving belt, 14 thread slide block, 15 connecting block, 16 polishing mechanism, 161 rectangular frame, 162 first electric push rod, 163 polishing frame, 164 cavity, 165 liquid outlet pipe, 166 electromagnetic valve, 167 drainage hole, 168 liquid storage tank, 169 first hose, 17 water circulation mechanism, 171 water collection tank, 172 first circulation pump, 173 first water pipe, 174 second water pipe, 175 filter tank, 176 arc-shaped water pipe, 177 water outlet head, 178 sloping plate, 179 slag blocking plate, 18 cleaning mechanism, 181U-shaped frame, 182 third electric push rod, 183 cleaning block, 184 dryer, 19 second hose, 20 supporting seat, 21 second circulation pump, 22 heat collecting block, 23 air outlet pipe, 24 thermoelectric generator rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1 to 7, the seamless steel tube production process mainly comprises the following steps:
s1, melting, namely melting a steel billet in a converter and electric furnace equipment;
s2, perforating, namely continuously perforating the steel billet obtained in the step S1 by a perforating machine, wherein the steel billet is changed into a seamless steel pipe 7 prefabricated billet;
s3, hot rolling, namely hot rolling the prefabricated blank obtained in the step S2 to improve the tissue structure of the steel;
s4, finish rolling, namely, performing finish rolling processing on the seamless steel tube 7 obtained in the step S3, and improving the surface quality of the seamless steel tube 7;
s5, polishing the surface of the seamless steel tube 7 obtained in the step S4 by polishing equipment;
s6, rust prevention treatment, namely rust prevention is carried out on the surface of the seamless steel tube 7 obtained in the step S5 through polishing equipment.
The polishing equipment used in the seamless steel tube production process comprises a base 1, wherein two supporting plates 2 which are mutually corresponding in position are fixedly connected to the upper end of the base 1, the same protective shell 3 is fixedly connected to the upper ends of the two supporting plates 2, the first fixed plate 4 is fixedly connected to the outer wall of one supporting plate 2, a double-shaft motor 5 is installed at the upper end of the first fixed plate 4, fixing mechanisms 8 are installed on the outer wall of one supporting plate 2, a first belt pulley 9 is fixedly connected to the output end of one double-shaft motor 5, a reciprocating screw rod 10 is rotatably connected to the inner wall of the protective shell 3, a rotating rod 11 is fixedly connected to the outer wall of the reciprocating screw rod 10, a through hole matched with the rotating rod 11 is formed in the outer wall of the protective shell 3, a second belt pulley 12 is fixedly connected to the outer wall of the rotating rod 11, the same driving belt 13 is sleeved on the outer wall of the second belt pulley 12 in a transmission mode, a threaded slider 14 is sleeved on the outer wall of the reciprocating screw rod 10 in a threaded mode, a sliding groove matched with the threaded slider 14 is formed in the lower end of the protective shell 3, a lower end of the threaded slider 14 is fixedly connected to a 15, a polishing mechanism 16 is installed at the lower end of the connecting block 15, and a circulating water circulation mechanism 17 is installed at the upper end of the base 1.
The polishing mechanism 16 comprises a rectangular frame 161 fixedly connected with the outer wall of a connecting block 15, two first electric push rods 162 with the positions corresponding to each other are fixedly connected to the inner wall of the rectangular frame 161, polishing frames 163 are fixedly connected to the output ends of the two first electric push rods 162, cavities 164 are formed in the two polishing frames 163, a liquid outlet pipe 165 with the two positions corresponding to each other is communicated with the outer wall of one polishing frame 163, electromagnetic valves 166 are mounted on the outer walls of the two liquid outlet pipes 165, a plurality of drainage holes 167 are formed in the outer wall of one polishing frame 163, a liquid storage tank 168 is fixedly connected to the outer wall of the rectangular frame 161, a first hose 169 is communicated with the outer wall of the liquid storage tank 168, through holes matched with the first hose 169 are formed in the outer wall of the rectangular frame 161, and the first hose 169 is communicated with one polishing frame 163.
The water circulation mechanism 17 comprises a water collection tank 171 fixedly connected with the upper end of the base 1, a slag blocking plate 179 is fixedly connected with the outer wall of the water collection tank 171, a first circulation pump 172 is installed at the upper end of the protective housing 3, the input end of the first circulation pump 172 is communicated with a first water pipe 173, the lower end of the first water pipe 173 stretches into the water collection tank 171, a through hole matched with the first water pipe 173 is formed in the outer wall of the slag blocking plate 179, a second water pipe 174 is communicated with the output end of the first circulation pump 172, a filter tank 175 is installed on the outer wall of the second water pipe 174, the outer wall of the filter tank 175 is fixedly connected with the protective housing 3, a cleaning mechanism 18 is installed on the outer wall of the second water pipe 174, an arc water pipe 176 is communicated with the outer wall of the arc water pipe 176, a plurality of water outlets 177 corresponding to each other are installed on the outer wall of the arc water pipe 176, and a sloping plate 178 is fixedly connected with the outer wall of the water collection tank 171.
The fixing mechanism 8 comprises rotating columns 811 rotationally connected with the outer walls of the supporting plates 2, through holes matched with the rotating columns 811 are formed in the outer walls of the two supporting plates 2, electromagnetic fixing seats 812 are fixedly connected to the outer walls of the two rotating columns 811, and the outer wall of one rotating column 811 is fixedly connected with one output end of the double-shaft motor 5.
The cleaning mechanism 18 comprises a U-shaped frame 181 fixedly connected with the outer wall of the second water pipe 174, two third electric push rods 182 which are mutually corresponding in position are fixedly connected with the outer wall of the U-shaped frame 181, cleaning blocks 183 are fixedly connected with the output ends of the two third electric push rods 182, and a dryer 184 is fixedly connected with the outer wall of the U-shaped frame 181.
The outer wall intercommunication of one of them polishing frame 163 has second hose 19, and the outer wall fixedly connected with supporting seat 20 of rectangle frame 161, and the through-hole that matches with second hose 19 has all been seted up to the outer wall of supporting seat 20 and rectangle frame 161, and second circulating pump 21 is installed to the upper end of supporting seat 20, and second circulating pump 21 is linked together with second hose 19, and the outer wall of second hose 19 is linked together with deposit liquid case 168.
The heat collection block 22 is installed to the outer wall of rectangle frame 161, and the outer wall intercommunication of rectangle frame 161 has outlet duct 23, and outlet duct 23 is located the top of heat collection block 22, and the through-hole with outlet duct 23 assorted is seted up to the outer wall of rectangle frame 161, and the outer wall of one of them polishing frame 163 is provided with thermoelectric generation stick 24, and thermoelectric generation stick 24 outer wall is connected with seamless steel pipe 7 and the contradiction of the outer wall of heat collection block 22 respectively, thermoelectric generation stick 24 and solenoid valve 166 electric connection.
The outer wall fixedly connected with guide bar 6 of protecting sheathing 3, the outer wall of screw thread slider 14 has offered the through-hole that matches with screw thread slider 14, guide bar 6 and screw thread slider 14 sliding connection. The principle of operation of the present invention will now be described as follows:
when polishing the seamless steel tube 7, a worker firstly places the seamless steel tube 7 on the outer wall of the electromagnetic fixing seat 812, and can rotate and supply power by matching with the electromagnetic fixing seat 812 due to the conductive sliding rail arranged on the transmission shaft of the electromagnetic fixing seat 812, at the moment, the worker starts the double-shaft motor 5 to drive the rotating column 811 to rotate simultaneously with the first belt pulley 9, then the electromagnetic fixing seat 812 fixes the seamless steel tube 7 under the action of the conductive sliding rail, when the seamless steel tube 7 is dismounted, the double-shaft motor 5 is only required to be closed, so that the electromagnetic fixing seat 812 is powered off and demagnetized, the production efficiency of the seamless steel tube 7 is greatly improved, the second belt pulley 12 can drive the reciprocating screw rod 10 connected with the rotating rod 11 to rotate under the action of the transmission belt 13, the reciprocating screw rod 10 drives the threaded sliding block 14 on the outer wall of the reciprocating screw rod 10 to slide, at the moment, the threaded sliding block 14 can drive the water circulation mechanism 17, the polishing mechanism 16 and the cleaning mechanism 18 to move simultaneously, the first electric push rod 162 drives the polishing frame 163 to polish the seamless steel tube 7 in a collision mode, a plurality of water outlet heads 177 wash the outer surface of the seamless steel tube 7 before polishing the seamless steel tube 7, water used in the cleaning process flows into the water collecting tank 171, a slag blocking plate 179 is arranged in the water collecting tank 171, the slag blocking plate 179 can block scraps falling in the polishing process, the risk of blocking the first water tube 173 by the scraps is reduced, a first circulating pump 172 is started at the moment, water in the water tank is pumped into the filtering tank 175 under the action of the first water tube 173 and the second water tube 174, the filtering tank 175 filters the used water, then the filtered water flows into the arc-shaped water tube 176 again through the second water tube 174, the seamless steel tube 7 is cleaned again through the plurality of water outlet heads 177, the cleaning degree of each seamless steel tube 7 is consistent, the overall qualification rate of the seamless steel tube 7 is improved, after the seamless steel tube 7 is cleaned, one third electric push rod 182 is started to drive a cleaning block 183 to be in contact with the outer wall of the seamless steel tube 7, when the cleaning time is long, the cleaning capability of the cleaning block 183 is reduced, a worker starts the other third electric push rod 182 to retract the first started third electric push rod 182 into the U-shaped frame 181, a dryer 184 is started to dry and clean the cleaning block 183 connected with the output end of the third electric push rod 182, the next use is convenient, after the first electric push rod 162 drives a polishing frame 163 to contact with the seamless steel tube 7, the seamless steel tube 7 can be rapidly rotated under the driving of a double-shaft motor 5, the polishing frame 163 can be firstly rubbed and polished with the seamless steel tube 7, a large amount of heat can be generated on the outer wall of the seamless steel tube 7 during polishing, the temperature of the outer wall of the seamless steel pipe 7 is increased to cause that part of the rust-preventive liquid is evaporated, at the moment, one end of the thermoelectric generation rod 24 is in abutting connection with the polishing frame 163, the other end of the thermoelectric generation rod 24 is in abutting connection with the heat collecting block 22, at the moment, the thermoelectric generation rod 24 is electrically connected with the two electromagnetic valves 166 due to the difference of the temperatures of the two ends, when the generated potential energy is overlarge, when the power of the electromagnetic valves 166 is increased, the rust-preventive liquid flowing out of the liquid outlet pipe 165 is increased to compensate the evaporated rust-preventive liquid, when the outer wall of the seamless steel pipe 7 contains residual rust-preventive liquid, the residual rust-preventive liquid flows into the cavity 164 of the other polishing frame 163 through the drainage hole 167, one of the polishing frames 163 communicated with the second hose 19, under the action of the second circulating pump 21, the rust-preventive liquid collected in the cavity 164 is collected again into the liquid storage box 168, then, the temperature difference generating rod 24 flows into the cavity 164 of one of the polishing frames 163 through the first hose 169, the generated current can be changed according to the roughness degree of the surface of the seamless steel pipe 7, the electromagnetic valve 166 automatically controls the addition metering of the antirust liquid, when the antirust liquid is coated excessively, the appearance of the seamless steel pipe 7 is unaesthetic, the antirust liquid is coated excessively to form a thick coating on the surface of an object, the transparent coating can cause the object to lose the original luster and the original aesthetic degree, and the waste of resources can be caused, because the coating which exceeds the requirement does not provide an additional protection effect, and the cost and the waste are increased.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The seamless steel tube production process is characterized by mainly comprising the following steps of:
s1, melting, namely melting a steel billet in a converter and electric furnace equipment;
s2, perforating, namely continuously perforating the steel billet obtained in the step S1 by a perforating machine, wherein the steel billet is changed into a seamless steel pipe (7) prefabricated billet;
s3, hot rolling, namely hot rolling the prefabricated blank obtained in the step S2 to improve the tissue structure of the steel;
s4, finish rolling, namely, performing finish rolling processing on the seamless steel tube (7) obtained in the step S3, and improving the surface quality of the seamless steel tube (7);
s5, polishing the surface of the seamless steel tube (7) obtained through the step S4;
and S6, rust prevention treatment, namely rust prevention is carried out on the surface of the seamless steel tube 7 obtained in the step S5 through rust prevention equipment.
2. The process for producing a seamless steel pipe according to claim 1, wherein in the step S6, after polishing the seamless steel pipe (7) having different degrees of wear, it is necessary to add rust preventive liquid to different degrees so as to increase the rust preventive effect of the seamless steel pipe (7).
3. The polishing equipment used in the seamless steel pipe production process according to any one of claims 1-2, comprising a base (1), wherein the upper end of the base (1) is fixedly connected with two supporting plates (2) which are mutually corresponding in position, the upper ends of the two supporting plates (2) are fixedly connected with the same protecting shell (3), the outer wall of one supporting plate (2) is fixedly connected with a first fixing plate (4), the upper end of the first fixing plate (4) is provided with a double-shaft motor (5), the outer wall of one supporting plate (2) is provided with a fixing mechanism (8), the output end of one double-shaft motor (5) is fixedly connected with a first belt pulley (9), the inner wall of the protecting shell (3) is rotatably connected with a reciprocating screw rod (10), the outer wall of the reciprocating screw rod (10) is fixedly connected with a rotating rod (11), the outer wall of the protecting shell (3) is provided with a through hole matched with the rotating rod (11), the outer wall of the rotating rod (11) is fixedly connected with a second belt pulley (12), the outer wall of the second belt pulley (12) is fixedly connected with the outer wall of the rotating rod (11) with the sliding block (3), the outer wall of the sliding block (14) is sleeved with the same, the outer wall of the sliding block (9) is sleeved with the sliding block (14), the lower extreme fixedly connected with connecting block (15) of screw slider (14), polishing mechanism (16) are installed to the lower extreme of connecting block (15), hydrologic cycle mechanism (17) are installed to the upper end of base (1).
4. The polishing device used in the seamless steel pipe production process according to claim 3, wherein the polishing mechanism (16) comprises a rectangular frame (161) fixedly connected with the outer wall of the connecting block (15), two first electric push rods (162) which are fixedly connected with the outer wall of the rectangular frame (161) and correspond to each other in position, the output ends of the two first electric push rods (162) are fixedly connected with polishing frames (163), cavities (164) are formed in the two polishing frames (163), one of the outer walls of the polishing frames (163) is communicated with two liquid outlet pipes (165) which are corresponding to each other in position, electromagnetic valves (166) are mounted on the outer walls of the two liquid outlet pipes (165), a plurality of drainage holes (167) are formed in the outer wall of the polishing frame (163), a liquid storage box (168) is fixedly connected with the outer wall of the rectangular frame (161), a through hole matched with a first hose (169) is formed in the outer wall of the liquid storage box (168), and the first polishing frame (163) is communicated with the first hose (169).
5. The polishing device used in the seamless steel pipe production process according to claim 3, wherein the water circulation mechanism (17) comprises a water collection tank (171) fixedly connected with the upper end of the base (1), a slag blocking plate (179) is fixedly connected with the outer wall of the water collection tank (171), a first circulation pump (172) is installed at the upper end of the protective casing (3), a first water pipe (173) is communicated with the input end of the first circulation pump (172), the lower end of the first water pipe (173) stretches into the water collection tank (171), a through hole matched with the first water pipe (173) is formed in the outer wall of the slag blocking plate (179), a second water pipe (174) is communicated with the output end of the first circulation pump (172), a filter tank (175) is installed on the outer wall of the second water pipe (174), a cleaning mechanism (18) is installed on the outer wall of the second water pipe (174), a plurality of arc-shaped water pipes (176) are connected with the outer wall of the filter tank (175), and arc-shaped water pipes (176) are connected with the arc-shaped water collection tank (176) at different positions.
6. A polishing apparatus used in a seamless steel pipe production process according to claim 3, wherein the fixing mechanism (8) comprises a rotating column (811) rotationally connected with the outer wall of the supporting plate (2), through holes matched with the rotating columns (811) are respectively formed in the outer walls of the two supporting plates (2), electromagnetic fixing seats (812) are fixedly connected with the outer walls of the two rotating columns (811), and one outer wall of one rotating column (811) is fixedly connected with one output end of the double-shaft motor (5).
7. The polishing device for the seamless steel pipe production process according to claim 5, wherein the cleaning mechanism (18) comprises a U-shaped frame (181) fixedly connected with the outer wall of the second water pipe (174), two third electric push rods (182) corresponding to each other in position are fixedly connected with the outer wall of the U-shaped frame (181), cleaning blocks (183) are fixedly connected with the output ends of the two third electric push rods (182), and a dryer (184) is fixedly connected with the outer wall of the U-shaped frame (181).
8. The polishing device for the seamless steel pipe production process according to claim 4, wherein a second hose (19) is communicated with the outer wall of one polishing frame (163), a supporting seat (20) is fixedly connected with the outer wall of the rectangular frame (161), through holes matched with the second hose (19) are formed in the outer walls of the supporting seat (20) and the rectangular frame (161), a second circulating pump (21) is mounted at the upper end of the supporting seat (20), the second circulating pump (21) is communicated with the second hose (19), and the outer wall of the second hose (19) is communicated with a liquid storage tank (168).
9. The polishing device for the seamless steel tube production process according to claim 4, wherein the heat collecting block (22) is installed on the outer wall of the rectangular frame (161), the air outlet pipe (23) is communicated with the outer wall of the rectangular frame (161), the air outlet pipe (23) is located above the heat collecting block (22), a through hole matched with the air outlet pipe (23) is formed in the outer wall of the rectangular frame (161), one of the outer walls of the polishing frame (163) is provided with a thermoelectric generation rod (24), the outer walls of the thermoelectric generation rods (24) are respectively in abutting connection with the outer wall of the seamless steel tube (7) and the outer wall of the heat collecting block (22), and the thermoelectric generation rod (24) is electrically connected with the electromagnetic valve (166).
10. A polishing device used in a seamless steel pipe production process according to claim 3, characterized in that the outer wall of the protective housing (3) is fixedly connected with a guide rod (6), the outer wall of the threaded slider (14) is provided with a through hole matched with the threaded slider (14), and the guide rod (6) is in sliding connection with the threaded slider (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310978201.8A CN116967921A (en) | 2023-08-04 | 2023-08-04 | Process and equipment for producing seamless steel tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310978201.8A CN116967921A (en) | 2023-08-04 | 2023-08-04 | Process and equipment for producing seamless steel tube |
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| Publication Number | Publication Date |
|---|---|
| CN116967921A true CN116967921A (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310978201.8A Withdrawn CN116967921A (en) | 2023-08-04 | 2023-08-04 | Process and equipment for producing seamless steel tube |
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| Country | Link |
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| CN (1) | CN116967921A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118756090A (en) * | 2024-09-09 | 2024-10-11 | 寿光市鼎森机械制造有限公司 | A surface strengthening device for seamless steel pipe mandrel |
-
2023
- 2023-08-04 CN CN202310978201.8A patent/CN116967921A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118756090A (en) * | 2024-09-09 | 2024-10-11 | 寿光市鼎森机械制造有限公司 | A surface strengthening device for seamless steel pipe mandrel |
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Application publication date: 20231031 |