CN117282773B - Hot rolling head machine for seamless steel tube - Google Patents
Hot rolling head machine for seamless steel tube Download PDFInfo
- Publication number
- CN117282773B CN117282773B CN202311591508.9A CN202311591508A CN117282773B CN 117282773 B CN117282773 B CN 117282773B CN 202311591508 A CN202311591508 A CN 202311591508A CN 117282773 B CN117282773 B CN 117282773B
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- Prior art keywords
- seamless steel
- steel tube
- bearing
- auxiliary
- rod
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 99
- 239000010959 steel Substances 0.000 title claims abstract description 99
- 238000005098 hot rolling Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000007790 scraping Methods 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims 2
- 238000005096 rolling process Methods 0.000 abstract description 16
- 230000000750 progressive effect Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 11
- 239000002699 waste material Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/04—Cooling or lubricating mandrels during operation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to the technical field of hot rolling mills, in particular to a seamless steel tube hot rolling head machine which comprises a bearing auxiliary mechanism and a steel tube auxiliary mechanism movably arranged on the bearing auxiliary mechanism. A plurality of brackets which are distributed at equal intervals and a plurality of groups of pulleys which are movably arranged on the brackets are arranged on the base, when the seamless steel tube is delivered to gaps on the inner sides of the auxiliary beam part and the main beam part through the plurality of groups of pulleys, the seamless steel tube can be clamped and driven by a gear shaft rod at one end of the auxiliary screw rod along with the outward extension of a hydraulic sub rod in the hydraulic part, the seamless steel tube positioned on the inner sides of the auxiliary beam part and the main beam part and rotated can be subjected to hole rolling operation by a progressive perforated core rod, the seamless steel tube is restrained by the auxiliary beam part, the main beam part and the plurality of groups of pulleys, and the inner cavity of the seamless steel tube can be safely rolled by the continuously progressive perforated core rod, so that the device can avoid local deformation of the traditional steel tube due to the action of external force during hot rolling treatment.
Description
Technical Field
The invention relates to the technical field of hot rolling mills, in particular to a seamless steel tube hot-rolling head machine.
Background
The hot rolling is that a billet is rolled by a temperature above the recrystallization temperature, and then is cut into edges after being heated, and is corrected into a steel plate.
At present, hot rolled steel is adopted to form a seamless steel pipe except a steel plate, the seamless steel pipe is required to carry out hole rolling operation on the inner cavity of the seamless steel pipe by utilizing a hot rolling principle, in the existing hot rolling process, the steel pipe is required to be pushed to be delivered towards a rolling core rod while the rotational kinetic energy of the steel pipe is required to be endowed, but the steel pipe is deformed after being pressed during hot rolling, the thermal deformation of the steel pipe is increased at the core rod which is continuously rolled along the inner part of the steel pipe, and solidified scraps remained on the core rod in a standing state are also caused, so that the integrity of the inner wall of a hole of a subsequent steel pipe is difficult to ensure.
Aiming at the operation that the heat-treated steel is hot rolled into a seamless steel pipe, how to avoid the damage of the existing standing core rod to the inner wall rolling hole of the heat-treated steel rod and the local deformation of the steel rod of the existing heat-treated rolling hole after being stressed is avoided, namely the technical difficulty to be solved by the invention.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows:
the seamless steel pipe hot-rolling head machine comprises a bearing booster mechanism, a steel pipe booster mechanism movably mounted on the bearing booster mechanism, a transmission mechanism mounted on the bearing booster mechanism and a scraping cooling mechanism mounted on the bearing booster mechanism, wherein the bearing booster mechanism comprises a supporting plate with a sliding groove, a subsidiary beam piece mounted on one side of the top of the supporting plate, a main beam piece mounted on the other side of the top of the supporting plate, two clamping plates mounted on the supporting plate, a base mounted on the top of the supporting plate, a plurality of supporting frames mounted on the base at equal intervals, a plurality of groups of pulleys movably mounted on the supporting frames, two seamless steel pipes mounted in the middle of the base and two groups of outer frames connected on one side of the outer part of the supporting plate, the steel pipe boosting mechanism comprises a beam position component movably arranged in two clamping plates, a sloping plate connected in the beam position component, a plurality of cushion blocks movably arranged in the beam position component, an end pipe fixed outside the cushion blocks by bolts, a gear bottom shell and a reinforcing shell movably arranged at two sides of the end pipe far away from the end head of the beam position component, a plurality of screws connected in the combined gear bottom shell and the reinforcing shell, two sliding blocks respectively arranged outside the gear bottom shell and a cushion ring movably arranged on the two sliding blocks, wherein the beam position component comprises a transverse cushion column, two groups of positioning pieces arranged in transverse grooves at the top of the cushion column, a hydraulic part arranged in the two groups of positioning pieces, a plurality of springs uniformly arranged in transverse holes in the cushion column, a guide rod connected to the outer end of the spring, a clamping piece movably arranged at the outer end of the guide rod and a clamping piece arranged in a groove at the inner side of the cushion column, and the transmission mechanism comprises a boosting screw rod driven at the gear bottom shell, a sliding block which is arranged outside the boosting screw rod and movably arranged in the sliding groove, and a core rod penetrating through the bearing hole in the sliding block, the scraping and cooling mechanism comprises a blower arranged on one end of the supporting plate, an exhaust pipe connected to the top of the blower and penetrating into the pressure-bearing sliding block, an outer plate arranged on the other end of the exhaust pipe, a pressure spring connected to the outer plate, a limiting baffle movably arranged in the outer plate and connected to one end of the pressure spring, and a scraping cylinder movably arranged on the limiting baffle.
The present invention may be further configured in a preferred example to: the auxiliary beam piece and the main beam piece are composed of a semi-cylindrical outer cover and a bearing bracket, and two adjacent pulleys are positioned right below a notch at the bottom of the semi-cylindrical outer cover.
Through adopting above-mentioned technical scheme, utilize evenly installing a plurality of strut on the base, the multiunit pulley on a plurality of strut top guide arms at this moment provides the support in place seamless steel pipe, and the vice bundle piece and the main bundle piece of installing in layer board top both sides can keep away from the outer wall of pulley for seamless steel pipe and carry out spacing constraint, along with trompil core bar roll Kong Zuoye with seamless steel pipe under the rotatory state, the seamless steel pipe of being initiatively restrained alright avoid taking place local deformation.
The present invention may be further configured in a preferred example to: the clamping piece is integrally of an L-shaped structure, and trapezoidal protrusions which are adapted to the cushion blocks are arranged on the clamping piece close to the inner wall of the cushion column.
Through adopting above-mentioned technical scheme, utilize with a plurality of clamping pieces movable mounting in the recess of filling up the post inboard, cooperate a plurality of springs to being the elastic support of a plurality of clamping pieces of circumference distribution respectively, along with the extension of hydraulic pressure sub-pole in the hydraulic part, the backing ring of being promoted just can drive gear drain pan, end pipe and a plurality of cushion of installing on the end pipe carry out free exerting pressure to the clamping piece, runs through the seamless steel pipe of a plurality of clamping pieces inboard at this moment and can obtain the clamp and tie.
The present invention may be further configured in a preferred example to: the gear bottom shell and the reinforcing shell are adjacent to each other, the two sides of the gear bottom shell are provided with clips clamped at the annular ends of the end pipes, and the outer part of the gear bottom shell is provided with tooth openings which are circumferentially distributed.
Through adopting above-mentioned technical scheme, utilize a plurality of screw rods to laminate in the gear drain pan and the reinforcement shell that carry out the pressure equipment of end pipe end both sides to fix, the gear drain pan is by helping the transmission of power screw gear axostylus axostyle this moment after, receives fixed end pipe just can drive a plurality of cushion and by fixed pad post and rotate along two splint insidely to this improves seamless steel pipe's after the heat treatment roll hole operation.
The present invention may be further configured in a preferred example to: three risers are installed at the top of base, and adjacent two risers can carry out spacing centre gripping to the gear shaft pole of helping move the lead screw, and helps the position of moving the lead screw rod-like structure run through to in the packing ring at two sets of outer frame tops.
Through adopting above-mentioned technical scheme, utilize the centre gripping of a riser at base top to the axostylus axostyle on the motor to combine two other risers to carry out spacing restraint to helping the power feed screw gear axostylus axostyle, along with the rotation of motor start and drive chain, the power feed screw that is restrained alright provide sufficient firm for the sideslip of pressure-bearing slider.
The present invention may be further configured in a preferred example to: the inner cavity of the blower is communicated with the inner cavity of the exhaust pipe, and the top of the exhaust pipe is provided with an exhaust notch for cooling the perforated core rod.
Through adopting above-mentioned technical scheme, utilize at the internally mounted air exhauster of air-blower, install at this moment and upwards blow along the notch of airing exhaust at air-blower will external absorbing and just, after the outside sweeps that remain of trompil core bar obtain scraping, the trompil core bar after the exhaust pipe alright be for the sweeps carries out quick cooling to ensure that follow-up heat treatment's steel obtains safe rolling hole operation.
The present invention may be further configured in a preferred example to: the inside of spacing baffle has seted up the annular slide, and the annular slide adaptation of spacing baffle inside is held in the annular arch of scraping a section of thick bamboo one end.
Through adopting above-mentioned technical scheme, utilize to scrape a section of thick bamboo movable mounting on spacing baffle, when spacing baffle sideslip and promote scrape a section of thick bamboo and carry out roll compression molding towards the one end of heat treatment seamless steel pipe after, when not being heated between protection trompil core pole and the pressure-bearing slider and soften, can strike off the remaining sweeps of trompil core pole outer wall again to avoid cooling back sweeps to follow-up heat treatment's steel inner wall fish tail.
By adopting the technical scheme, the beneficial effects obtained by the invention are as follows:
1. according to the invention, the auxiliary beam part and the main beam part which can prevent deformation of the seamless steel pipe after hot rolling are arranged on two sides of the top of the supporting plate, the plurality of supporting frames which are distributed at equal intervals and the plurality of groups of pulleys which are movably arranged on the plurality of supporting frames are arranged on the base, when the seamless steel pipe is delivered to the gaps on the inner sides of the auxiliary beam part and the main beam part through the plurality of groups of pulleys, the seamless steel pipe can be clamped and driven by the gear shaft rod at one end of the auxiliary screw rod along with the outward extension of the hydraulic sub rod in the hydraulic part, and the seamless steel pipe positioned on the inner sides of the auxiliary beam part and the main beam part can be subjected to hole rolling operation by the progressive perforated core rod, and the continuous progressive perforated core rod can be subjected to safe hole rolling on the inner cavity of the seamless steel pipe due to the action of external force during hot rolling treatment, so that the device can be prevented from being locally deformed due to the action of external force.
2. According to the invention, the pressure-bearing sliding block is arranged in the sliding groove at the top of the supporting plate, the perforated core rod is fixedly arranged in the pressure-bearing sliding block by the nuts, at the moment, after the transverse and fixed perforated core rod rolls a hole in a rotating seamless steel pipe cavity, the counter-clockwise rotating auxiliary screw rod drives the pressure-bearing sliding block to move towards one side far away from the main beam part, at the moment, the perforated core rod can be scraped by the scraping cylinder away from the port of the main beam part, at the moment, scraps after the heat treatment are scraped by the scraping cylinder, the pressure-bearing sliding block movably arranged in the sliding groove at the top of the supporting plate can cooperate with the scraping cylinder to treat a round hole at one end of the seamless steel pipe in the heat treatment state, and meanwhile, the steel for subsequent hole rolling operation can be ensured to be normalized, so that scratches caused by the protruding scraps cooled and solidified outside the perforated core rod to the inner wall of the subsequent heat treatment steel can be avoided.
Drawings
FIG. 1 is a schematic illustration of the present invention in use;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of a load-assist mechanism according to the present invention;
FIG. 4 is an enlarged schematic view of the invention at A in FIG. 3;
FIG. 5 is an enlarged schematic view of the present invention at B in FIG. 3;
FIG. 6 is a partially dispersed schematic illustration of a load assist mechanism of the present invention;
FIG. 7 is a partial schematic view of FIG. 1 in accordance with the present invention;
FIG. 8 is a schematic view of the transmission mechanism and the scrap cooling mechanism of the present invention;
FIG. 9 is a schematic partial cross-sectional view of the chip cooling mechanism of the present invention;
FIG. 10 is a schematic view of a steel pipe assist mechanism of the present invention;
FIG. 11 is a schematic view of a dispersion and partial cross-section of the steel pipe assist mechanism of the present invention;
FIG. 12 is a schematic view of a beam position assembly according to the present invention.
Reference numerals:
100. a bearing assisting mechanism; 110. a supporting plate; 120. a base; 130. a clamping plate; 140. a secondary bundle; 150. a main bundle; 160. an outer frame; 170. a supporting frame; 180. a pulley; 190. a seamless steel pipe;
200. a steel pipe boosting mechanism; 210. a beam position component; 211. a cushion column; 212. a positioning piece; 213. a hydraulic member; 214. a spring; 215. a guide rod; 216. a clamping piece; 220. a sloping plate; 230. a cushion block; 240. an end pipe; 250. a gear bottom case; 260. a slide block; 270. a backing ring; 280. reinforcing the outer shell; 290. a screw;
300. a transmission mechanism; 310. a base; 320. a motor; 330. a chain; 340. a boosting screw rod; 350. a pressure-bearing slide block; 360. punching a core bar; 370. a nut;
400. a scrap scraping cooling mechanism; 410. a blower; 420. an exhaust pipe; 430. an outer plate; 440. a pressure spring; 450. a limiting baffle; 460. a scraping cylinder.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.
A seamless steel pipe hot-rolling mill according to some embodiments of the present invention is described below with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1 to 12, the seamless steel tube hot-rolling mill provided by the invention comprises a bearing assisting mechanism 100, a steel tube assisting mechanism 200 movably mounted on the bearing assisting mechanism 100, a transmission mechanism 300 mounted on the bearing assisting mechanism 100 and a scraping cooling mechanism 400 mounted on the bearing assisting mechanism 100.
The bearing assisting mechanism 100 comprises a supporting plate 110, a base 120, a clamping plate 130, a secondary beam 140, a primary beam 150, an outer frame 160, a supporting frame 170, a pulley 180 and a seamless steel tube 190, the steel tube assisting mechanism 200 comprises a beam position assembly 210, a sloping plate 220, a cushion block 230, an end tube 240, a gear bottom shell 250, a sliding block 260, a cushion ring 270, a reinforcing shell 280 and a screw 290, the beam position assembly 210 further comprises a cushion column 211, a positioning piece 212, a hydraulic piece 213, a spring 214, a guide rod 215 and a clamping piece 216, the transmission mechanism 300 comprises a base 310, a motor 320, a chain 330, an assisting screw 340, a bearing sliding block 350, an opening core bar 360 and a nut 370, and the scraping cooling mechanism 400 comprises a blower 410, an exhaust tube 420, an outer plate 430, a pressure spring 440, a limiting baffle 450 and a scraping cylinder 460.
Specifically, the secondary beam 140 is mounted on one side of the top of the pallet 110, the primary beam 150 is mounted on the other side of the top of the pallet 110, the two clamping plates 130 are mounted on the pallet 110, the base 120 is mounted on the top of the pallet 110, the plurality of brackets 170 are mounted on the base 120 at equal intervals, the plurality of groups of pulleys 180 are movably mounted on the plurality of brackets 170, the two seamless steel pipes 190 are mounted in the middle of the base 120, the two groups of outer frames 160 are connected on one side of the outside of the pallet 110, the beam assembly 210 is movably mounted in the two clamping plates 130, the inclined plates 220 are connected in the beam assembly 210, the plurality of cushion blocks 230 are movably mounted in the beam assembly 210, the end pipes 240 are fixed outside the cushion blocks 230 by bolts, the gear bottom shell 250 and the reinforcing housing 280 are movably mounted on the two sides of the end pipes 240 away from the end of the beam assembly 210, the plurality of screws 290 are connected in the combined gear bottom shell 250 and the reinforcing housing 280, the two slide blocks 260 are respectively arranged outside the gear bottom shell 250, the backing ring 270 is movably arranged on the two slide blocks 260, the two groups of positioning pieces 212 are arranged in transverse grooves at the top of the backing column 211, the hydraulic piece 213 is arranged in the two groups of positioning pieces 212, the plurality of springs 214 are uniformly arranged in transverse holes inside the backing column 211, the guide rod 215 is connected with the outer ends of the springs 214, the clamping piece 216 is movably arranged at the outer ends of the guide rod 215 and in grooves at the inner side of the backing column 211, the boosting screw 340 is driven by the gear bottom shell 250, the bearing slide block 350 movably arranged in the sliding groove of the supporting plate 110 is arranged outside the boosting screw 340 in a threaded manner, the perforated core rod 360 penetrates into the bearing slide block 350, the nut 370 pressed on the outer wall of the bearing slide block 350 is connected with the perforated core rod 360, the base 310 is fixedly arranged in the middle of the outer side of the supporting plate 110, the motor 320 is arranged in the base 310, the chain 330 is connected with the shaft rod of the motor 320 and the boosting screw 340 in a driving manner, the air blower 410 is arranged at one end of the supporting plate 110, the exhaust pipe 420 penetrating into the pressure-bearing sliding block 350 is connected to the top of the air blower 410, the outer plate 430 is arranged at the other end of the exhaust pipe 420, the pressure spring 440 is connected to the outer plate 430, the limit baffle 450 connected to one end of the pressure spring 440 is movably arranged in the outer plate 430, and the scraping cylinder 460 is movably arranged on the limit baffle 450.
By means of the plurality of brackets 170 which are distributed at equal intervals and the plurality of groups of pulleys 180 which are movably mounted on the plurality of brackets 170, after the seamless steel tube 190 is delivered to gaps on the inner sides of the auxiliary beam member 140 and the main beam member 150 through the plurality of groups of pulleys 180, the auxiliary beam member 340 can be clamped and driven by a gear shaft lever at one end of the auxiliary beam member 340 along with the outward extension of a hydraulic sub-rod in the hydraulic part 213, the seamless steel tube 190 can be positioned on the inner sides of the auxiliary beam member 140 and the main beam member 150 and can be subjected to hole rolling operation by the progressive perforated core rod 360, the seamless steel tube 190 can be subjected to safe hole rolling operation by the auxiliary beam member 140, the main beam member 150 and the plurality of groups of pulleys 180, the continuous progressive perforated core rod 360 can be subjected to safe hole rolling operation on the inner cavity of the seamless steel tube 190, the transverse hole rolling operation is carried out by the fixed perforated core rod 360, the anticlockwise rotating auxiliary beam member 340 can drive the pressure-bearing slide block 350 to move towards one side far away from the main beam member 150, the perforated core rod 360 can be scraped by the scraping cylinder 460 at the port of the end of the main beam member 150, the steel tube 460 can be scraped off at the moment, the subsequent steel tube 460 can be subjected to heat treatment state can be conveniently carried out by the progressive perforated core rod 360, the hot rolling operation can be prevented from being carried out by the die sleeve, and the subsequent heat treatment operation can be carried out by the hot rolling operation can be simultaneously, and the outer part can be prevented from being matched with the inner wall of the round sleeve 190 can be subjected to the surface of the prior art, and the hot rolling operation can be simultaneously has good can be prevented from being subjected to the surface and deformed.
Embodiment two:
as shown in fig. 3-6, in the first embodiment, the secondary beam member 140 and the primary beam member 150 are each composed of a semi-cylindrical outer cover and a bearing bracket, and two adjacent pulleys 180 are located right below the bottom notch of the semi-cylindrical outer cover.
By uniformly mounting the plurality of brackets 170 on the base 120, the plurality of groups of pulleys 180 movably mounted on the guide rods at the tops of the brackets 170 provide support for the seamless steel pipes 190 in place, and the auxiliary beam members 140 and the main beam members 150 mounted on the two sides of the top of the supporting plate 110 can limit and restrict the outer walls of the seamless steel pipes 190 away from the pulleys 180, so that when the seamless steel pipes 190 are rolled Kong Zuoye in a rotating state along with the perforated core rod 360, the actively restrained seamless steel pipes 190 can avoid local deformation.
Embodiment III:
referring to fig. 3, 11 and 12, on the basis of the first embodiment, the clamping piece 216 is in an L-shaped structure, the inner wall of the clamping piece 216, which is close to the cushion column 211, is provided with a trapezoidal protrusion adapted to the cushion block 230, two adjacent sides of the gear bottom shell 250 and the reinforcing shell 280 are provided with clips clamped at the annular end of the end pipe 240, the outer part of the gear bottom shell 250 is provided with teeth distributed circumferentially, the top of the base 310 is provided with three vertical plates, and two adjacent vertical plates can limit and clamp the gear shaft lever of the auxiliary screw 340, and the rod-shaped structure of the auxiliary screw 340 penetrates into the washers at the top of the two groups of outer frames 160.
The clamping pieces 216 are movably installed in the grooves on the inner side of the cushion column 211, the plurality of clamping pieces 216 are respectively elastically supported by the plurality of springs 214, the plurality of clamping pieces 216 are circumferentially distributed along with the stretching of the hydraulic sub-rod in the hydraulic part 213, the pushed cushion ring 270 drives the gear bottom shell 250, the end pipe 240 and the plurality of cushion blocks 230 installed on the end pipe 240 to freely press the clamping pieces 216, the seamless steel pipes 190 penetrating through the inner sides of the plurality of clamping pieces 216 can be clamped and restrained, meanwhile, the plurality of screws 290 are combined to fix the gear bottom shell 250 and the reinforcing shell 280 which are pressed and attached to the two sides of the end pipe 240, after the gear bottom shell 250 is driven by the gear shaft of the auxiliary screw 340, the fixed end pipe 240 drives the plurality of cushion blocks 230 and the fixed cushion column 211 to rotate along the inner sides of the two clamping plates 130, after the hole rolling operation of the seamless steel pipes 190 is improved, at the moment, the rotating transmission cushion column 211 of the chain 330 and the fastened seamless steel pipes 190 can be started by the motor 320, the restrained auxiliary slide blocks 340 can be pressed and the inner cavity of the steel pipes can be firmly pressed and firmly pressed, and the hole can be punched and firmly rotated, and the seamless steel pipes 190 can be ensured to roll the inner cavity 360.
Embodiment four:
referring to fig. 7-9, in the first embodiment, the inner cavity of the blower 410 and the inner cavity of the exhaust pipe 420 are mutually communicated, the top of the exhaust pipe 420 is provided with an exhaust notch for cooling the perforated core rod 360, the inside of the limiting partition 450 is provided with a circular slide, and the circular slide inside the limiting partition 450 is adapted to be clamped on the circular protrusion at one end of the scraping cylinder 460.
By using the exhaust fan installed inside the blower 410, the air flow absorbed by the outside of the blower 410 blows upwards along the exhaust slot at the top of the exhaust pipe 420, after the waste scraps left outside the perforated core rod 360 are scraped off, the exhaust pipe 420 can rapidly cool the perforated core rod 360 after scraps are removed, the steel subjected to subsequent heat treatment can be subjected to safe hole rolling operation, meanwhile, the scraping barrel 460 is pushed to roll-press the end of the heat-treated seamless steel pipe 190 along with the transverse movement of the limiting partition plate 450, the waste scraps left on the outer wall of the perforated core rod 360 can be scraped while the heat softening is avoided between the perforated core rod 360 and the pressure-bearing sliding block 350, and the scratch of the cooled waste scraps on the inner wall of the steel subjected to subsequent heat treatment can be avoided.
The working principle and the using flow of the invention are as follows: the guide rod 215 is fixedly installed at the outer end of the spring 214 in advance, the other end of the spring 214 is installed in a transverse hole in the inner cavity of the cushion column 211, then the assembled guide rod 215 is movably installed in a clamp at the bottom of the clamping piece 216, a plurality of circumferentially distributed clamping pieces 216 are movably installed in grooves in the inner wall of the cushion column 211, then the hydraulic part 213 is fixed in a transverse groove at the top of the cushion column 211 by two groups of positioning pieces 212, then flat ends of a plurality of cushion blocks 230 are sequentially assembled along the hole grooves at one end of the end pipe 240, a plurality of cushion blocks 230 are sequentially fixedly installed in the end pipe 240 by a plurality of bolts, then the gear bottom shell 250 and the reinforcing shell 280 are movably installed on the end at the other end of the end pipe 240, at the moment, the combined gear bottom shell 250 and the reinforcing shell 280 are fixedly clamped by a plurality of screws 290, at the moment, two sliding blocks 260 installed on one side of the gear bottom shell 250 far from the reinforcing shell 280 are movably installed in a circular sliding groove in the cushion ring 270, the bottom end of the inclined plate 220 is movably mounted on the chuck at the top of the backing ring 270, the top end of the inclined plate 220 is movably mounted on the end of the hydraulic sub-rod in the hydraulic part 213, the assembled backing post 211 is movably mounted in two seamless steel pipes 190, the whole steel pipe boosting mechanism 200 is in a suspended state, the plurality of groups of pulleys 180 are movably mounted on the guide rods at the top of the plurality of brackets 170 respectively, the assembled plurality of brackets 170 are mounted on the base 120 at equal intervals, the plurality of groups of pulleys 180 are parallel in a horizontal state, the auxiliary bundle 140 and the main bundle 150 are respectively mounted on two sides at the top of the supporting plate 110, the auxiliary bundle 140 and the main bundle 150 are positioned right above the plurality of groups of pulleys 180, the seamless steel pipes 190 are positioned in gaps formed among the auxiliary bundle 140, the main bundle 150 and the plurality of pulleys 180, when the hydraulic 213 is operated and extended, the hydraulic sub-rod is matched with the inclined plate 220 to push the backing ring 270 to extend outwards, the gear bottom shell 250 and the sliding blocks 260 are pressed and then expand outwards, the plurality of cushion blocks 230 fixedly mounted on the end pipe 240 apply pressure to the plurality of clamping pieces 216 respectively, the inner walls of the plurality of clamping pieces 216 clamp the seamless steel pipe 190 penetrating into the inner cavity of the backing column 211, the outwards expanded gear bottom shell 250 is meshed with the gear shaft rod at one end of the auxiliary screw 340, when the motor 320 is started and operated, the motor 320 drives the chain 330 to rotate, the auxiliary screw 340 clamped by the base 310 and the two groups of outer frames 160 rotates, the pressure-bearing sliding blocks 350 movably mounted in the top sliding grooves of the supporting plate 110 are close to one side of the main beam 150 along the outer part of the auxiliary screw 340, at this time, the rotating cushion column 211 drives the clamped seamless steel tube 190 to perform hot rolling along the outer portion of the progressive tapping core bar 360, when the pressure-bearing sliding block 350 approaches the scraping cylinder 460 and pushes the scraping cylinder 460 to continuously press toward one end of the seamless steel tube 190, the outer end of the seamless steel tube 190 can be rounded and rolled, when the hydraulic sub-rod in the hydraulic part 213 is restored to the initial state, the gear bottom shell 250 is evacuated from the gear shaft of the auxiliary screw 340, the counter-rotating motor 320 drives the auxiliary screw 340 to counter-clockwise rotate, finally the tapping core bar 360 is evacuated from the inner portion of the seamless steel tube 190, the port of the scraping cylinder 460 away from the main bundle 150 can scrape the waste scraps remained after hot rolling along the outer portion of the tapping core bar 360, and when the hole rolling operation is performed on the inner portion of the steel rod to be subjected to subsequent hot rolling treatment, the problem that sweeps which can be effectively remained outside the perforated core rod 360 and cooled and solidified cause scratches or damage to the inner wall of the subsequent steel rod occurs.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The seamless steel tube hot-rolling head machine is characterized by comprising a bearing auxiliary mechanism (100), a steel tube auxiliary mechanism (200) movably mounted on the bearing auxiliary mechanism (100), a transmission mechanism (300) mounted on the bearing auxiliary mechanism (100) and a scraping cooling mechanism (400) mounted on the bearing auxiliary mechanism (100);
the bearing assisting mechanism (100) comprises a supporting plate (110) with a sliding groove, a secondary beam (140) arranged on one side of the top of the supporting plate (110), a primary beam (150) arranged on the other side of the top of the supporting plate (110) and two clamping plates (130) arranged on the supporting plate (110);
the steel tube boosting mechanism (200) comprises a beam position assembly (210) movably mounted in two clamping plates (130), a sloping plate (220) connected in the beam position assembly (210), a plurality of cushion blocks (230) movably mounted in the beam position assembly (210), an end tube (240) fixed outside the cushion blocks (230) by bolts, a gear bottom shell (250) and a reinforcing shell (280) movably mounted on two sides of the end tube (240) far away from the end head of the beam position assembly (210), a plurality of screws (290) connected in the combined gear bottom shell (250) and the reinforcing shell (280), two sliding blocks (260) respectively mounted outside the gear bottom shell (250) and a backing ring (270) movably mounted on the two sliding blocks (260);
the beam position assembly (210) comprises a horizontally arranged cushion column (211), two groups of positioning pieces (212) arranged in horizontal grooves at the top of the cushion column (211), a hydraulic part (213) arranged in the two groups of positioning pieces (212), a plurality of springs (214) uniformly arranged in horizontal holes in the cushion column (211), a guide rod (215) connected to the outer end of the springs (214) and a clamping piece (216) movably arranged at the outer end of the guide rod (215) and positioned in a groove at the inner side of the cushion column (211);
when the hydraulic part (213) runs and stretches, the hydraulic sub-rod is matched with the inclined plate (220) to push the backing ring (270) to stretch outwards, the gear bottom shell (250) and the sliding block (260) are outwards expanded after being pressed, the plurality of cushion blocks (230) fixedly arranged on the end pipe (240) respectively apply pressure to the plurality of clamping pieces (216), and the inner walls of the plurality of clamping pieces (216) can clamp the seamless steel pipe (190) penetrating into the inner cavity of the backing column (211);
the transmission mechanism (300) comprises a boosting screw rod (340) transmitted to the gear bottom shell (250), a pressure-bearing sliding block (350) which is arranged outside the boosting screw rod (340) in a threaded manner and movably arranged in a sliding groove of the supporting plate (110), an open-pore core rod (360) penetrating into the pressure-bearing sliding block (350), and a nut (370) connected to the open-pore core rod (360) and pressed on the outer wall of the pressure-bearing sliding block (350);
the scraping cooling mechanism (400) comprises a blower (410) arranged at one end of a supporting plate (110), an exhaust pipe (420) connected to the top of the blower (410) and penetrating into a pressure-bearing sliding block (350), an outer plate (430) arranged at the other end of the exhaust pipe (420), a pressure spring (440) connected to the outer plate (430), a limit baffle (450) movably arranged in the outer plate (430) and connected to one end of the pressure spring (440), and a scraping cylinder (460) movably arranged on the limit baffle (450).
2. A seamless steel tube hot-rolling mill according to claim 1, wherein the load-bearing assisting mechanism (100) comprises a base (120) mounted on top of the pallet (110), a plurality of brackets (170) mounted on the base (120) at equal intervals, a plurality of groups of pulleys (180) movably mounted on the plurality of brackets (170), two seamless steel tubes (190) mounted in the middle of the base (120), and two groups of outer frames (160) connected to one side of the outside of the pallet (110).
3. A seamless steel tube hot-rolling mill according to claim 1, wherein the secondary (140) and primary (150) bundles are each composed of a semi-cylindrical housing and a load-bearing support, and two adjacent pulleys (180) are located directly below the bottom slot of the semi-cylindrical housing.
4. The seamless steel tube hot-rolling mill according to claim 1, wherein the two sides of the gear bottom shell (250) adjacent to the reinforcing shell (280) are provided with clips clamped at the annular end of the end tube (240), and the outer part of the gear bottom shell (250) is provided with teeth distributed circumferentially.
5. A seamless steel tube hot-rolling mill according to claim 1, wherein the transmission mechanism (300) comprises a base (310) fixedly installed at the middle of the outer side of the pallet (110), a motor (320) installed in the base (310), and a chain (330) drivingly connected to the shaft of the motor (320) and the auxiliary screw (340).
6. A seamless steel tube hot-rolling mill according to claim 5, wherein three risers are mounted on top of the base (310), and two adjacent risers carry out limit clamping on the gear shaft of the auxiliary screw (340), and the rod-shaped structure of the auxiliary screw (340) penetrates into the washers on top of the two sets of outer frames (160).
7. The seamless steel tube hot-rolling mill according to claim 1, wherein the inner cavity of the blower (410) and the inner cavity of the exhaust pipe (420) are mutually communicated, and the top of the exhaust pipe (420) is provided with an exhaust notch for cooling the perforated core rod (360).
8. The seamless steel tube hot-rolling mill according to claim 1, wherein the limiting partition plate (450) is internally provided with a circular slideway, and the circular slideway in the limiting partition plate (450) is adapted to be clamped on the circular bulge at one end of the scraping cylinder (460).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311591508.9A CN117282773B (en) | 2023-11-27 | 2023-11-27 | Hot rolling head machine for seamless steel tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311591508.9A CN117282773B (en) | 2023-11-27 | 2023-11-27 | Hot rolling head machine for seamless steel tube |
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| CN117282773B true CN117282773B (en) | 2024-03-19 |
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| CN216540221U (en) * | 2021-07-30 | 2022-05-17 | 聊城市开发区金运钢管有限公司 | Hot rolling puncher clamping device for seamless steel tube processing |
| CN115032075A (en) * | 2022-08-10 | 2022-09-09 | 江苏华恬节能科技有限公司 | Polyurethane plastic creep property detection equipment |
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| CN116448566A (en) * | 2023-06-09 | 2023-07-18 | 江苏泽润新能科技股份有限公司 | Tensile testing equipment for optical fiber connector |
| CN219664858U (en) * | 2022-12-30 | 2023-09-12 | 扬州龙川能源装备有限公司 | Spinning drawing machine for spinning steel pipe |
| CN116984147A (en) * | 2023-09-28 | 2023-11-03 | 江苏友孚汽车部件科技有限公司 | Automobile plastic part coating equipment |
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2023
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216540221U (en) * | 2021-07-30 | 2022-05-17 | 聊城市开发区金运钢管有限公司 | Hot rolling puncher clamping device for seamless steel tube processing |
| CN115032075A (en) * | 2022-08-10 | 2022-09-09 | 江苏华恬节能科技有限公司 | Polyurethane plastic creep property detection equipment |
| CN115283897A (en) * | 2022-10-09 | 2022-11-04 | 江苏威雅仕不锈钢制品有限公司 | Stainless steel guardrail correction welding device |
| CN219664858U (en) * | 2022-12-30 | 2023-09-12 | 扬州龙川能源装备有限公司 | Spinning drawing machine for spinning steel pipe |
| CN116448566A (en) * | 2023-06-09 | 2023-07-18 | 江苏泽润新能科技股份有限公司 | Tensile testing equipment for optical fiber connector |
| CN116984147A (en) * | 2023-09-28 | 2023-11-03 | 江苏友孚汽车部件科技有限公司 | Automobile plastic part coating equipment |
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| CN117282773A (en) | 2023-12-26 |
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