CN117102235B - Hot rolling thin wall H shaped steel rolling system and grinding apparatus device thereof - Google Patents
Hot rolling thin wall H shaped steel rolling system and grinding apparatus device thereof Download PDFInfo
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- CN117102235B CN117102235B CN202311373542.9A CN202311373542A CN117102235B CN 117102235 B CN117102235 B CN 117102235B CN 202311373542 A CN202311373542 A CN 202311373542A CN 117102235 B CN117102235 B CN 117102235B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 156
- 239000010959 steel Substances 0.000 title claims abstract description 156
- 238000005096 rolling process Methods 0.000 title claims abstract description 81
- 238000005098 hot rolling Methods 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 238000005498 polishing Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/088—H- or I-sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/06—Pushing or forcing work into pass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/10—Arrangement or installation of feeding rollers in rolling stands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B2045/0221—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for structural sections, e.g. H-beams
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of steel processing, in particular to a hot-rolled thin-wall H-shaped steel rolling system and a grinding tool device thereof. Comprises a conveying base and a rolling mechanism for rolling and forming the heated steel billet; a plurality of rollers are uniformly arranged on the conveying base at intervals; the rolling mechanism comprises rolling wheels which are arranged on the conveying base in a rotating manner and are matched with each other to roll the steel blanks into H-shaped steel; symmetrically arranged on the conveying base and used for rolling the side surface of the H-shaped steel into a flat rolling barrel. The invention rolls and forms the heated steel billet through the rolling wheel and the rolling barrel in the rolling mechanism, cools the rolled H-shaped steel through the cooling mechanism, and finally, conveying the H-shaped steel to a polishing mechanism by using a conveying base, and polishing the H-shaped steel to be smooth by using a polishing wheel, so that the subsequent worker can obtain more accurate results when measuring the specification of the H-shaped steel.
Description
Technical Field
The invention relates to the technical field of steel processing, in particular to a hot-rolled thin-wall H-shaped steel rolling system and a grinding tool device thereof.
Background
H-section steel is a common steel type, also called wide-edge rectangular steel, has a shape similar to H-shape and a higher cross-sectional area and a lower longitudinal cross-sectional area, so that the H-section steel is more suitable for constructing steel structure buildings and other structures requiring strength and stability, and has higher strength and compression resistance, and can bear larger weight and pressure than common steel, so that the H-section steel is more suitable for constructing high-rise buildings and other structures requiring high strength.
At present, for the production of H-shaped steel, firstly, a billet is calcined and heated to a certain temperature by a calciner, then, the billet is conveyed into a rolling device by a conveyor belt to be rolled and formed, rolled section steel is conveyed to a cooling area and finally cut and sent out, but the H-shaped steel is used for the construction industry, so that strict requirements on the size and the specification are met, the rolled H-shaped steel can be put into use after meeting the standard by manually measuring the width and the thickness of the H-shaped steel, but the surface of the H-shaped steel just rolled is rough, burrs and protruding particles exist, the strength of the H-shaped steel is reduced, and larger measuring errors are easily generated when the specification of the H-shaped steel is measured, so that the measuring structure is inaccurate, and safety accidents can be caused when the H-shaped steel is put into construction in a subsequent mode.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a hot-rolled thin-wall H-shaped steel rolling system and a grinding tool device thereof.
The technical proposal is as follows: a hot-rolled thin-wall H-shaped steel rolling system comprises a conveying base and a rolling mechanism for rolling and forming heated steel blanks; a plurality of rollers are uniformly arranged on the conveying base at intervals; the rolling mechanism comprises rolling wheels which are arranged on the conveying base in a rotating manner and are matched with each other to roll the steel blanks into H-shaped steel; the rolling barrels are symmetrically arranged on the conveying base and used for rolling the side surfaces of the H-shaped steel to be flat; the servo motor is arranged on the conveying base and used for providing power for rotation of the rolling wheel; the gear box I is connected with the rolling wheels matched with each other in pairs and rotates the rolling wheels through tooth transmission; the rolling wheel is divided into an outer wheel and an inner wheel, and the width of the inner wheel is larger than that of the outer wheel; every group rolling wheel all passes through gear box I links to each other, carry out the transmission through the belt pulley between the gear box I, and the output shaft of one of them gear box I with servo motor's output shaft links to each other.
As a further preferable scheme, the conveying base is provided with a cooling mechanism capable of rapidly cooling the rolled H-shaped steel, and the cooling mechanism comprises a water pipe which can be communicated with an external water source; the nozzles are arranged at two outlets of the water delivery pipe and can be used for pressurizing and spraying water flow; and a water-spraying tube group connected with the water delivery pipe through a pipeline; the nozzle can be used for pressurizing and spraying water flow so as to form a droplet flow, and the droplet flow impacts the surface of the H-shaped steel and cools the surface of the H-shaped steel; the water spray pipe groups are symmetrically arranged on two sides of the conveying base, and a plurality of through holes are uniformly formed in the water spray pipe groups.
The grinding device of the hot-rolled thin-wall H-shaped steel rolling system comprises a grinding mechanism capable of grinding burrs and raised particles in the H-shaped steel, wherein the grinding mechanism comprises mounting frames symmetrically arranged at the output end of the H-shaped steel of the conveying base; grinding wheels which are symmetrically arranged on the mounting frame in a rotating manner and are matched with each other; the driving box is connected with one end of the rotating shaft of the two grinding wheels and is used for providing power for rotation of the two grinding wheels; and a gear box II which is connected with the other end of the rotating shaft of the two grinding wheels together; the polishing wheel is also divided into an outer wheel and an inner wheel, the width of the outer wheel is slightly smaller than the width of the H-shaped steel recess, and the distance between the outer wheel and the inner wheel is the same as the depth of the H-shaped steel recess.
As a further preferable scheme, the device also comprises a side grinding mechanism capable of grinding the two outer side walls of the H-shaped steel, wherein the side grinding mechanism comprises a guide frame which is arranged on the mounting frame and used for guiding the H-shaped steel forwards; and abrasive belts which are symmetrically arranged on the guide frame and can contact with the side wall of the H-shaped steel and polish the side wall of the H-shaped steel.
As a further preferable scheme, the guide frames are symmetrically provided with guide grooves; the frosted band can be in the guide way is slided, just the frosted band is initially for the slope setting, and the opening that is close to H shaped steel end is bigger, can lead for H shaped steel.
As a further preferable scheme, the guide frames are symmetrically provided with adaptive mechanisms for assisting the abrasive belt in polishing the H-shaped steel, and the adaptive mechanisms comprise guide sleeves symmetrically arranged on the guide frames; the guide rod is arranged in the guide sleeve in a sliding manner, is connected with the frosted belt and can synchronously slide with the frosted belt; and the pressure spring is arranged between the guide sleeve and the guide rod and can press the frosted band to be contacted with the side wall of the H-shaped steel.
As a further preferable scheme, a pushing mechanism for pushing the H-shaped steel to approach the polishing mechanism is arranged on the conveying base, and the pushing mechanism comprises a driving motor for providing power for pushing the H-shaped steel; the bearing seats are symmetrically arranged on the conveying base; the chain wheel is rotatably arranged on the bearing seat and connected with the output shaft of the driving motor; a chain wound on the two chain wheels; and a push plate which can move along with the chain and is contacted with the H-shaped steel.
As a further preferable scheme, the conveying base is provided with a swinging mechanism, and the swinging mechanism comprises limit rollers symmetrically arranged at two sides of a chain wheel connected with an output shaft of the driving motor; and the extrusion frame is matched with the limit roller and can slide left and right on the conveying base.
As a further preferable scheme, annular grooves inclined in the same direction are formed in the two limit rollers; the extrusion frame is positioned in the annular groove on the limit roller near the rolling wheel end; the lower part of the extrusion frame is contacted with the H-shaped steel, and the extrusion frame can rotate along with the limiting roller to drive the H-shaped steel to slide left and right on the conveying base.
As a further preferable scheme, the tail end of the guide frame is provided with an auxiliary discharging mechanism, and the auxiliary discharging mechanism comprises a supporting frame connected with the tail end of the guide frame; two discharging rollers which are arranged on the supporting frame in a rotating manner and are matched with each other; the power box is connected with the output shafts of the two discharging rollers and provides power for rotation of the two discharging rollers; cylindrical soft rubber pads are uniformly arranged on the two discharging rollers, and the rotation directions of the two discharging rollers are opposite.
The invention has the following advantages: 1. the invention rolls and forms the heated steel billet through the rolling wheel and the rolling barrel in the rolling mechanism, cools the rolled H-shaped steel through the cooling mechanism, finally, the H-shaped steel is conveyed to a polishing mechanism by utilizing a conveying base, and is polished to be smooth by utilizing a polishing wheel, so that the subsequent worker can obtain more accurate results when the H-shaped steel is subjected to specification measurement;
2. through the arrangement of the pushing mechanism, the chain wheel and the chain are driven to operate by the driving motor, and the H-shaped steel is conveyed forwards through the pushing plate, so that the problem that the H-shaped steel cannot be conveyed forwards due to the influence of grinding wheels can be avoided;
3. the side wall of the H-shaped steel can be polished by the guide rod, the pressure spring and the polishing belt through the arrangement of the adaptation mechanism and the side polishing mechanism, so that the surface of the H-shaped steel is smooth, the wear resistance and the strength of the H-shaped steel are improved, and the service life of the H-shaped steel is prolonged;
4. through the setting of supplementary discharge mechanism, utilize two ejection of compact cylinders of headstock drive rotatory, can provide new power for the forward transport of H shaped steel, make H shaped steel carry forward from the middle part of two ejection of compact cylinders.
Drawings
Fig. 1 shows a schematic overall structure of the present invention.
Fig. 2 shows a schematic structural view of the rolling mechanism of the present invention.
Fig. 3 shows a schematic view of the structure of the rolling mechanism and the grinding mechanism of the present invention.
Fig. 4 shows a detailed schematic of the grinding mechanism of the invention.
Fig. 5 shows a schematic structural view of the cooling mechanism of the present invention.
Fig. 6 shows a detailed schematic of the cooling mechanism of the present invention.
Fig. 7 shows a schematic structural view of the pushing mechanism of the present invention.
Fig. 8 shows a schematic structural view of the side grinding mechanism of the present invention.
Fig. 9 shows a schematic structural view of the side grinding mechanism and the adapting mechanism of the present invention.
Fig. 10 shows a schematic structural view of the swing mechanism of the present invention.
Fig. 11 shows a schematic view of the swing mechanism of the present invention after covering a part thereof.
Fig. 12 shows a schematic structural view of the auxiliary discharging mechanism of the present invention.
Fig. 13 shows a schematic structural view of an additional view of the auxiliary discharging mechanism of the present invention.
Wherein: 1-conveying base, 2-rolling mechanism, 21-servo motor, 22-gear box I, 23-rolling wheel, 24-rolling barrel, 3-polishing mechanism, 31-mounting frame, 32-driving box, 33-polishing wheel, 34-gear box II, 4-cooling mechanism, 41-water pipe, 42-nozzle, 43-water spray pipe group, 5-pushing mechanism, 51-driving motor, 52-bearing seat, 53-sprocket, 54-chain, 55-push plate, 6-side polishing mechanism, 61-guiding frame, 62-polishing belt, 63-guiding groove, 7-adapting mechanism, 71-guiding sleeve, 72-guiding rod, 73-pressure spring, 8-swinging mechanism, 81-limit roller, 82-extrusion frame, 9-auxiliary discharging mechanism, 91-discharging roller, 92-power box and 93-supporting frame.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
A hot-rolled thin-wall H-shaped steel rolling system, as shown in figures 1-3, comprises a conveying base 1 and a rolling mechanism 2 for rolling and forming heated steel blanks; a plurality of rollers are uniformly arranged on the conveying base 1 at intervals, and friction between the steel billet and the conveying base 1 can be reduced when the rollers rotate so as to assist the steel billet in conveying; the rolling mechanism 2 comprises rolling wheels 23 which are arranged on the conveying base 1 in a rotating manner and are matched with each other to roll the steel blanks into H-shaped steel, the rolling wheels 23 are divided into an outer wheel and an inner wheel, the width of the inner wheel is larger than that of the outer wheel, the outer wheel is used for rolling the steel blanks into grooves, and the inner wheel is used for enabling the end parts of the side walls of the H-shaped steel to be smoother; the rolling barrels 24 are symmetrically arranged on the conveying base 1 and used for rolling the side surfaces of the H-shaped steel, and the rolling barrels 24 are used for extruding the side walls of the steel blanks when the rolling wheels 23 roll the steel blanks so that the steel blanks are rolled into the H-shaped steel; a servo motor 21 mounted on the conveying base 1 for powering the rotation of the rolling wheel 23; and the rolling wheels 23 are connected with each other in a matched mode, the rolling wheels 23 are rotated through tooth transmission, each group of rolling wheels 23 are connected with each other through the gear box I22, the gear boxes I22 are transmitted through belt pulleys, and an output shaft of one gear box I22 is connected with an output shaft of the servo motor 21.
After the heated billet is transported to the transport base 1, a worker is required to start the servo motor 21, all gear boxes I22 start to operate under the transmission of the belt pulley, the rolling wheels 23 connected with the gear boxes I22 start to rotate under the transmission of teeth, the outer wheels of the rolling wheels 23 are firstly contacted with the billet, recesses matched with the shape of the billet are rolled on the upper surface and the lower surface of the billet, then two side walls at the recesses of the billet are contacted with the inner wheels, the end parts of the two side walls of the billet are rolled and flattened under the rolling of the inner wheels, the billet is provided with an H shape, and then when the billet is transported to the rolling barrel 24, the rolling barrel 24 is used for rolling and flattening the two side walls of the billet, and the billet is formed under the rolling of the other group of rolling wheels 23, so that the rolling of H-shaped steel is completed.
As shown in fig. 1, 5 and 6, the conveying base 1 is provided with a cooling mechanism 4 capable of rapidly cooling the rolled H-shaped steel, and the cooling mechanism 4 comprises a water pipe 41 capable of being communicated with an external water source; the nozzles 42 are arranged at two outlets of the water delivery pipe 41 and can spray water under pressure, and the nozzles 42 can spray water under pressure so as to form a droplet flow, impact the upper surface and the lower surface of the H-shaped steel and cool the H-shaped steel; and the water spraying pipe group 43 is communicated with the water conveying pipe 41 through a pipeline, the water spraying pipe group 43 is positioned on the conveying base 1 at the left side and the right side of the H-shaped steel, and a plurality of through holes are uniformly formed in the water spraying pipe group 43, so that clear water can be uniformly sprayed to the H-shaped steel when the H-shaped steel passes through, and the H-shaped steel can be rapidly cooled.
Example two
The grinding device of the hot-rolled thin-wall H-shaped steel rolling system comprises a grinding mechanism 3 capable of grinding burrs and raised particles in the H-shaped steel, as shown in fig. 1, 3 and 4, wherein the grinding mechanism 3 comprises a mounting frame 31 symmetrically arranged at the output end of the H-shaped steel of the conveying base 1 through bolts; the grinding wheels 33 are symmetrically arranged on the mounting frame 31 in a rotating manner and are matched with each other, the grinding wheels 33 are also divided into an outer wheel and an inner wheel, the width of the outer wheel is slightly smaller than the width of the H-shaped steel recess, the distance between the outer wheel and the inner wheel is the same as the depth of the H-shaped steel recess, the outer wheel of the grinding wheel 33 can be embedded into the groove of the H-shaped steel for grinding, and the inner wheel of the grinding wheel 33 is used for grinding the top end and the bottom end of the side wall of the H-shaped steel; a driving box 32 connected to the left end of the rotating shaft of the two grinding wheels 33 for powering the rotation of the two; and a gear case II 34 commonly connected to the right end of the rotation shaft of the two grinding wheels 33.
When the H-shaped steel is conveyed to the installation frame 31, a worker needs to start the driving box 32 to enable the two grinding wheels 33 to start rotating, stability of the two grinding wheels 33 during rotation can be improved under the action of the gear box II 34, then along with conveying of the H-shaped steel, the outer wheels of the grinding wheels 33 can be embedded into grooves of the H-shaped steel and the burrs and the protruding particles inside the H-shaped steel can be removed through rotation, and the inner wheels of the grinding wheels 33 can be in contact with the end portions of the two side walls of the H-shaped steel and are polished smoothly.
As shown in fig. 1, 8 and 9, the side mill mechanism 6 is further included, which is capable of grinding two outer side walls of the H-shaped steel, the side mill mechanism 6 includes a guide frame 61 installed on the installation frame 31 and used for guiding the H-shaped steel forward, and four guide grooves 63 are symmetrically formed on the guide frame 61; and the symmetry set up in on the guide frame 61, can contact with the H shaped steel lateral wall and carry out the dull polish area 62 of polishing to it, dull polish area 62 can slide in the guide slot 63, just dull polish area 62 is initially the slope setting, and the opening that is close to H shaped steel end is bigger, can carry its forward after the H shaped steel gets into in the guide frame 61 and guide.
As shown in fig. 1 and 9, the guide frame 61 is symmetrically provided with an adapting mechanism 7 for assisting the sanding belt 62 to sand the H-shaped steel, and the adapting mechanism 7 comprises a guide sleeve 71 symmetrically arranged on the guide frame 61; a guide bar 72 slidably disposed in the guide sleeve 71, connected to the sanding belt 62, and capable of sliding in synchronization with the sanding belt 62; and set up in between the uide bushing 71 with the guide bar 72, can oppress the pressure spring 73 of dull polish area 62 and H shaped steel lateral wall contact, when H shaped steel and dull polish area 62 take place to contact and strut it to both sides, guide bar 72 can move along with dull polish area 62 to make pressure spring 73 compress holds the power, make dull polish area 62 and H shaped steel contact, accomplish polishing when H shaped steel carries forward, and pressure spring 73's stiffness coefficient is enough to support dull polish area 62 and accomplish the clearance to burr and protruding granule on the H shaped steel lateral wall.
As shown in fig. 1 and 7, the conveying base 1 is provided with a pushing mechanism 5 for pushing the H-section steel to approach the polishing mechanism 3, and the pushing mechanism 5 comprises a driving motor 51 for providing power for pushing the H-section steel; the bearing seats 52 are symmetrically arranged on the conveying base 1 in a welding mode; a sprocket 53 rotatably provided on the bearing seat 52 and connected to an output shaft of the driving motor 51; a chain 54 wound around the two sprockets 53; and the push plate 55 can move along with the chain 54 and is contacted with the H-shaped steel, the driving motor 51 is started, the chain wheel 53 on the output shaft of the driving motor 51 starts to rotate, the chain 54 is driven to start to operate, the push plate 55 moves along with the chain 54, is contacted with the H-shaped steel in the moving process, pushes the H-shaped steel to slide forwards, and avoids the H-shaped steel from being pressed to retreat when being polished by the polishing wheel 33.
As shown in fig. 1, 10 and 11, the conveying base 1 is provided with a swinging mechanism 8, the swinging mechanism 8 comprises limit rollers 81 symmetrically arranged at two sides of a chain wheel 53 connected with an output shaft of the driving motor 51, and the two limit rollers 81 are provided with annular grooves inclined in the same direction; and with spacing roller 81 cooperation, and can be in carry the gliding extrusion frame 82 of left and right on the base 1, extrusion frame 82 is close to roll 23 end is located in the annular groove on the spacing roller 81, the lower part and the H shaped steel contact of extrusion frame 82, when sprocket 53 rotates, spacing roller 81 rotates and can rotate in step, and under the influence in the annular groove, extrusion frame 82 can follow spacing roller 81 rotates and drives H shaped steel and be in carry the base 1 and slide about, make the grinding wheel 33 that is slightly less than H shaped steel recess can with every part contact of H shaped steel recess inner wall and accomplish the polishing.
As shown in fig. 1, 12 and 13, an auxiliary discharging mechanism 9 is arranged at the tail end of the guide frame 61, and the auxiliary discharging mechanism 9 comprises a supporting frame 93 connected with the tail end of the guide frame 61; two discharging rollers 91 which are arranged on the supporting frame 93 in a rotating manner and are matched with each other, cylindrical soft rubber pads are uniformly arranged on the two discharging rollers 91, the rotating directions of the two discharging rollers 91 are opposite, and the height of the bottom discharging roller 91 is the same as the height of the guide frame 61, so that H-shaped steel can smoothly pass through the guide frame; and a power box 92 connected to the output shafts of the two discharging rollers 91 and providing power for the rotation of the two rollers; the power box 92 is utilized to drive the two discharging rollers 91 to rotate, after the H-shaped steel loses thrust, the soft rubber pad on the discharging roller 91 can be contacted with the H-shaped steel during rotation and is driven forward, so that the H-shaped steel can be fed forward.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that this disclosure is not limited to the particular arrangements, instrumentalities and implementations described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (5)
1. The grinding tool device of the hot-rolled thin-wall H-shaped steel rolling system comprises a hot-rolled thin-wall H-shaped steel rolling system, wherein the hot-rolled thin-wall H-shaped steel rolling system comprises a conveying base (1) and a rolling mechanism (2) for rolling and forming a heated steel billet; a plurality of rollers are uniformly arranged on the conveying base (1) at intervals; the rolling mechanism (2) comprises rolling wheels (23) which are arranged on the conveying base (1) in a rotating manner and can be matched with each other to roll steel blanks into H-shaped steel; the rolling barrels (24) are symmetrically arranged on the conveying base (1) and used for rolling and flattening the side walls of the H-shaped steel; a servomotor (21) mounted on the conveying base (1) for powering the rotation of the rolling wheel (23); and a gear box I (22) which is connected with the two rolling wheels (23) which are matched with each other and rotates the two rolling wheels through tooth transmission; the rolling wheel (23) is divided into an outer wheel and an inner wheel, and the width of the inner wheel is larger than that of the outer wheel; each group of rolling wheels (23) is connected through a gear box I (22), the gear boxes I (22) are driven through belt pulleys, and an output shaft of one gear box I (22) is connected with an output shaft of the servo motor (21); the conveying base (1) is provided with a cooling mechanism (4) capable of rapidly cooling rolled H-shaped steel, and the cooling mechanism (4) comprises a water pipe (41) which can be communicated with an external water source; nozzles (42) which are arranged at two outlets of the water delivery pipe (41) and can pressurize and spray out water flow; and a water-jet pipe group (43) connected to the water pipe (41) through a pipe; the nozzle (42) can be used for pressurizing and spraying water flow so as to form a droplet flow, and the droplet flow is impacted on the surface of the H-shaped steel and cooled; the water spray pipe groups (43) are symmetrically arranged on two sides of the conveying base (1), and a plurality of through holes are uniformly formed in the water spray pipe groups (43);
the method is characterized in that: the grinding mechanism (3) is used for grinding burrs and protruding particles in the rolled H-shaped steel, and the grinding mechanism (3) comprises mounting frames (31) symmetrically arranged at the output end of the H-shaped steel of the conveying base (1); grinding wheels (33) which are symmetrically arranged on the mounting frame (31) in a rotating manner and are matched with each other; a driving box (32) connected with one end of the rotating shaft of the two grinding wheels (33) and used for providing power for the rotation of the two grinding wheels; and a gear box II (34) which is connected with the other end of the rotating shaft of the two grinding wheels (33) together; the polishing wheel (33) is also divided into an outer wheel and an inner wheel, the width of the outer wheel is slightly smaller than the width of the H-shaped steel recess, and the distance between the outer wheel and the inner wheel is the same as the depth of the H-shaped steel recess;
the side grinding mechanism (6) can grind the two outer side walls of the H-shaped steel, and the side grinding mechanism (6) comprises a guide frame (61) which is arranged on the mounting frame (31) and used for guiding the H-shaped steel forwards; the sanding belts (62) are symmetrically arranged on the guide frames (61) and can contact with the side walls of the H-shaped steel and sand the side walls of the H-shaped steel;
guide grooves (63) are symmetrically formed in the guide frame (61); the frosted belt (62) can slide in the guide groove (63), the frosted belt (62) is obliquely arranged initially, and an opening close to the end of the H-shaped steel is larger, so that the H-shaped steel can be guided;
the guide frame (61) is symmetrically provided with an adaptation mechanism (7) for assisting the sanding belt (62) to sand the H-shaped steel, and the adaptation mechanism (7) comprises guide sleeves (71) symmetrically arranged on the guide frame (61); a guide rod (72) which is slidably disposed in the guide sleeve (71), is connected to the sanding belt (62), and is capable of sliding in synchronization with the sanding belt (62); and a pressure spring (73) provided between the guide bush (71) and the guide rod (72) and capable of pressing the sanding belt (62) into contact with the side wall of the H-beam.
2. The hot rolled thin wall H-section steel rolling system grinding apparatus as claimed in claim 1, wherein: a pushing mechanism (5) for pushing the H-shaped steel to approach the polishing mechanism (3) is arranged on the conveying base (1), and the pushing mechanism (5) comprises a driving motor (51) for providing power for pushing the H-shaped steel; the bearing seats (52) are symmetrically arranged on the conveying base (1); a sprocket (53) rotatably provided on the carrier (52) and connected to the output shaft of the drive motor (51); a chain (54) wound around the two sprockets (53); and a push plate (55) movable with the chain (54) and contacting the H-shaped steel.
3. The hot rolled thin wall H-section steel rolling system grinding apparatus as claimed in claim 2, wherein: the conveying base (1) is provided with a swinging mechanism (8), and the swinging mechanism (8) comprises limit rollers (81) symmetrically arranged at two sides of a chain wheel (53) connected with an output shaft of the driving motor (51); and an extrusion frame (82) which cooperates with the limit roller (81) and can slide left and right on the conveying base (1).
4. The hot rolled thin wall H-section steel rolling system grinding apparatus as claimed in claim 3, wherein: annular grooves inclined in the same direction are formed in the two limit rollers (81); the extrusion frame (82) is positioned in an annular groove on the limit roller (81) near the end of the rolling wheel (23); the lower part of the extrusion frame (82) is in contact with the H-shaped steel, and the extrusion frame (82) can rotate along with the limit roller (81) to drive the H-shaped steel to slide left and right on the conveying base (1).
5. The hot rolled thin wall H-section steel rolling system grinding apparatus as claimed in claim 1, wherein: an auxiliary discharging mechanism (9) is arranged at the tail end of the guide frame (61), and the auxiliary discharging mechanism (9) comprises a supporting frame (93) connected with the tail end of the guide frame (61); two discharging rollers (91) which are arranged on the supporting frame (93) in a rotating manner and are matched with each other; and a power box (92) which is connected with the output shafts of the two discharging rollers (91) and provides power for the rotation of the two rollers; cylindrical soft rubber pads are uniformly arranged on the two discharging rollers (91), and the rotation directions of the two discharging rollers (91) are opposite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311373542.9A CN117102235B (en) | 2023-10-23 | 2023-10-23 | Hot rolling thin wall H shaped steel rolling system and grinding apparatus device thereof |
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| CN202311373542.9A CN117102235B (en) | 2023-10-23 | 2023-10-23 | Hot rolling thin wall H shaped steel rolling system and grinding apparatus device thereof |
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| US3347076A (en) * | 1963-11-05 | 1967-10-17 | Fuji Iron & Steel Co Ltd | Method and apparatus for manufacturing h-shaped steel |
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| CN117102235A (en) | 2023-11-24 |
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