CN116833238A - High-precision guide system of two-high mill - Google Patents
High-precision guide system of two-high mill Download PDFInfo
- Publication number
- CN116833238A CN116833238A CN202310699862.7A CN202310699862A CN116833238A CN 116833238 A CN116833238 A CN 116833238A CN 202310699862 A CN202310699862 A CN 202310699862A CN 116833238 A CN116833238 A CN 116833238A
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- Prior art keywords
- guide
- groove
- base frame
- guide wheel
- block
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- 238000005096 rolling process Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000005056 compaction Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 239000010960 cold rolled steel Substances 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
- B21B39/165—Guides or guide rollers for rods, bars, rounds, tubes ; Aligning guides
-
- 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
- B21B45/0224—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for wire, rods, rounds, bars
-
- 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
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
- B21B45/0257—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for wire, rods, rounds, bars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to a high-precision guide system of a two-roller mill, which comprises a guide wheel centering guide device, a lever type elastic guide device and a roller set, wherein the guide wheel centering guide device and the lever type elastic guide device are arranged in a staggered mode in pairs, the longitudinal roller set is arranged between the guide wheel centering guide device and the lever type elastic guide device which are longitudinally arranged, and the transverse roller set is arranged between the guide wheel centering guide device and the lever type elastic guide device which are transversely arranged; the guide wheels are arranged in a staggered mode in pairs through the guide wheel centering type guide device and the lever type elastic guide device, the round and smooth type rolling of the rolling piece is realized through systematically guiding, damping and lubricating the rolling piece, qualified rolling rod blanks are provided for subsequent large-pulling, medium-pulling, micro-pulling, wire binding and twisting, and the high-quality requirements of medium-micro-pulling filament wire bundles and high-speed rail contact networks in the fields of new energy automobiles and electronic products on the rolling piece by using carrier ropes twisted through large-pulling single wires are ensured.
Description
Technical Field
The invention relates to the technical field of metal rod and wire rolling mill, in particular to a high-precision guide system of a two-high rolling mill.
Background
At present, copper and copper alloy bars are subjected to cold rolling time delay through a two-roll mill, and the problems of high oil temperature, high rolling speed, shaking of rolled pieces, severe replacement of roller abrasion and increased equipment gap exist; meanwhile, rolled materials cannot be supported and guided effectively in time, collineation cannot be formed between the rolled materials and the roll pass, quality defects such as scraping, torsion, rib lifting, flash, cracks, split, lugs, copper stacking, more powder slag, poor precision and the like can occur due to the increase of elasticity of rolled pieces, and quality problems such as broken wires, burrs and the like are generated during subsequent large drawing, medium drawing, micro drawing and wire binding, so that production is stopped, products are scrapped, the manufacturing cost is increased, and the production efficiency is reduced. And the medium and micro pulling filament wire bundles and the high-speed rail contact net in the fields of new energy automobiles, electronic products and the like use the carrier cable stranded through the large pulling single wire, and the requirements on the quality of rolled pieces are extremely high.
Based on the method, the high-precision guide system of the two-roller mill is provided, so that the quality defect of rolled pieces when copper and copper alloy bars are rolled is reduced or even eliminated, the phenomena of shaking, torsion and the like when the rolling is carried out on blanks are reduced, quality accidents such as broken wires, burrs and cracks are not generated when subsequent heavy-wire drawing, medium-wire drawing, micro-wire drawing, wire bundling and twisting are carried out, the quality of an operation environment is ensured, the service life of equipment is prolonged, the production cost is reduced, and the production efficiency is improved.
Disclosure of Invention
The invention aims to overcome the defects, and provides a high-precision guide system of a two-roller mill, which systematically guides, damps and lubricates rolled pieces through the two-by-two combination crisscross arrangement of a guide wheel centering guide device and a lever type elastic guide device, provides qualified rolled rod blanks for subsequent large-pulling, medium-pulling, micro-pulling, wire binding and twisting, and ensures the high-quality requirements of the rolled pieces by medium-micro-pulling filament wire harnesses and high-speed rail contact networks in the fields of new energy automobiles and electronic products through carrier ropes twisted by large-pulling single wires.
The purpose of the invention is realized in the following way:
the high-precision guide and guard system of the two-roller mill comprises a guide wheel centering guide and guard device, a lever type elastic guide and guard device and a roller set, wherein the guide wheel centering guide and guard device and the lever type elastic guide and guard device are arranged in a staggered mode in pairs, the longitudinal roller set is arranged between the guide wheel centering guide and guard device which are longitudinally arranged, and the transverse roller set is arranged between the guide wheel centering guide and guard device which are transversely arranged and the lever type elastic guide and guard device;
the guide wheel centering type guide and guard device is formed by matching and combining an upper guide and guard module and a lower guide and guard module, the upper guide and guard module comprises an upper guide block and an upper guide wheel, the lower guide and guard module comprises a lower guide block and a lower guide wheel, the upper guide block is provided with an upper guide groove with a horn inlet, the lower guide block is provided with a lower guide groove with a horn inlet, the middle part of the upper guide groove is rotationally provided with an upper guide wheel, the middle part of the lower guide groove is rotationally provided with a lower guide wheel, and the upper guide groove and the lower guide groove are matched to form a first guide channel of a rolling material;
the lever type elastic guide and guard device comprises a base frame, an upper base frame, guide bodies, guide wheels and compaction adjusting assemblies, wherein the guide bodies which are vertically symmetrical are arranged in the corresponding base frames, guide grooves are formed in the guide bodies, the guide grooves which are vertically arranged are matched to form a second guide channel, the base frame is hinged with the middle part of the upper base frame, the guide wheels are respectively arranged at the outlet ends of the upper base frame and the base frame up and down, and the compaction adjusting assemblies are close to the inlet ends of the upper base frame and the base frame;
the first guide channel, the second guide channel and the roller group are on the same straight line.
Preferably, two compress tightly adjusting part and control the both sides that set up at the guide body, compress tightly adjusting part and include spring, lead screw and silk cap, the lower locating hole at the base frame is fixed to the lead screw bottom, and the spring housing is established on the lead screw, and the lead screw passes behind the upper bracket spiro union silk cap.
Preferably, the upper guide wheel is provided with an upper guide wheel groove corresponding to the upper guide groove in the axial direction, the lower guide wheel is provided with a lower guide wheel groove corresponding to the lower guide groove in the axial direction, the guide wheel is provided with a guide wheel groove corresponding to the guide groove, and the guide wheel groove is used as the extension of the guide groove.
Preferably, an oil cavity is arranged above the upper guide groove and communicated with the upper guide groove through an oil outlet, an oil hole is arranged on the top surface of the guide body above the oil cavity, and the oil hole is communicated with the guide groove.
Preferably, two ends of the upper guide wheel are connected with an upper locking block through bearings, the upper locking block is fixed on the upper guide block through bolts, two ends of the lower guide wheel are connected with a lower locking block through bearings, the lower locking block is fixed on the lower guide block through bolts, the upper locking block is in wedge fit with the lower locking block, and the upper locking block is inserted into a wedge opening of the lower locking block through a protruding part to limit the left-right movement of the upper guide block.
Preferably, the corresponding contact surfaces of the upper guide block and the lower guide block are respectively provided with a convex key and a key groove, and the convex key is matched with the key groove to limit the front and back movement of the upper guide block.
Preferably, the guide body of upper and lower symmetry is fixed on the base frame through the guide seal piece, the guide seal piece sets up the entrance point at the guide body, and the guide seal piece passes through the bolt fastening, corresponds the bolt on the base frame and is equipped with the screw hole, and two screw holes bilateral symmetry set up in the both sides of guide body.
Preferably, the upper guide block, the lower guide block and the guide body are made of cold rolled steel materials, and the surface of the upper guide block, the lower guide block and the guide body is plated with a wear-resistant chromium layer.
Preferably, the left and right sides in the middle of the base frame are provided with clamping columns, the clamping columns clamp the upper seat frame, a connecting shaft is arranged between the two clamping columns, and the connecting shaft penetrates through the upper seat frame.
The beneficial effects of the invention are as follows:
the guide wheel is embedded in the middle of the guide block, sliding friction between the rolling material and the guide groove is changed into rolling friction, two ends of the guide wheel are fixed on the guide block through the locking block, shake of the guide wheel is avoided, the guide groove is consistent with the groove shape of the guide wheel, and the rolling material is in a linear shape for rolling extension; the guide wheels and the compaction adjusting assemblies are respectively arranged at two sides of the hinging point of the upper seat frame and the bottom seat frame, the guide wheels are converted into elastic, and the guide wheel grooves and the guide grooves are arranged on the same central axis, so that sliding hard friction is converted into elastic rolling friction, the rolling piece is effectively compacted, the shaking of the rolling piece is lightened, the wire outgoing is stable, the hard points on the surface are eliminated, the roundness is good, the precision is high, the phenomenon of strain on the surface of the rolling piece is avoided, the abrasion of the guide grooves and the rollers is reduced, and the service life of equipment is prolonged;
the design of the end bell mouth is convenient for rolling materials to smoothly enter the guide channel, so that the risk of stacking rods is avoided;
the oil outlet and the oil hole are subjected to continuous oil injection at a reasonable angle to effectively lubricate and cool the cold-working rolling material, the guide wheel, the guide groove and the roller, so that the cooling circulation is accelerated, and the mechanical property stability of the rolled piece is ensured;
the arc-shaped convex key has large friction resistance, and can effectively control the guide block to move back and forth during rolling; the upper locking block is inserted into the wedge opening of the lower locking block through the protruding part, so that the upper guide block is effectively locked to move left and right, and the shake of rolling materials is reduced;
the upper guide block, the lower guide block and the guide body are made of cold rolled steel, the surface of the guide groove is plated with a wear-resistant chromium layer, the hardness is increased to 60HR, and the smoothness and the wear resistance are greatly improved;
on the whole, guide wheels are arranged in a staggered mode in a pairwise manner through the guide wheel centering type guide device and the lever type elastic guide device, the round and smooth type change of the rolled piece is realized systematically, qualified rolled rod blanks are provided for subsequent large drawing, medium drawing, micro drawing, wire bundling and twisting, and the high-quality requirements of medium and micro drawing filament wire bundles and high-speed rail contact networks in the fields of new energy automobiles and electronic products on the rolled piece by using carrier ropes twisted through large drawing single wires are ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a guide wheel centering guide and guard device.
Fig. 3 is a bottom view of the upper guide Wei Mokuai.
Fig. 4 is a cross-sectional view of the upper guide Wei Mokuai.
Fig. 5 is a schematic structural view of the lower guide module.
Fig. 6 is a schematic structural view of an upper guide roller (lower guide roller).
Fig. 7 is a schematic structural view of the lever type elastic guide.
Fig. 8 is a schematic structural view of the base frame.
Fig. 9 is a schematic view of the installation of the base frame and the upper and lower guide bodies.
Wherein: guide wheel centering guide device 1; an upper guide block 1.1; convex bond 1.1.1; an upper guide wheel 1.2; 1.2.1 parts of an upper guide wheel groove; 1.3, locking the block; a lower guide block 1.4; key slot 1.4.1; a lower guide wheel 1.5; 1.5.1 parts of a lower guide wheel groove; a lower locking block 1.6; an upper guide groove 1.7; a lower guide groove 1.8; 1.9 parts of oil cavity; 1.10 parts of oil outlet holes; lever-type elastic guide 2; a base frame 2.1; a fixing hole 2.1.1; 2.1.2 parts of sliding chute; an upper mount 2.2; 2.2.1 of movable holes; a guide body 2.3; guide groove 2.3.1; 2.3.2 parts of oil holes; guide wheels 2.4; guide wheel groove 2.4.1; spring 2.5; 2.6 parts of screw rod; 2.7 parts of silk cap; guiding the sealing block 2.8; 2.9 parts of oil guide pipe; clamping column 2.10; a connecting shaft 2.11; a roll set 3.
Description of the embodiments
Referring to fig. 1-9, the invention relates to a high-precision guide system of a two-roller mill, which comprises a guide wheel centering guide device 1, a lever type elastic guide device 2 and a roller set 3, wherein the guide wheel centering guide device 1 and the lever type elastic guide device 2 are arranged in a staggered mode in pairs, the longitudinal roller set 3 is arranged between the guide wheel centering guide device 1 and the lever type elastic guide device 2 which are longitudinally arranged, and the transverse roller set 3 is arranged between the guide wheel centering guide device 1 and the lever type elastic guide device 2 which are transversely arranged.
The guide wheel centering type guide and guarding device 1 is formed by matching and combining an upper guide and guarding module and a lower guide and guarding module, the upper guide and guarding module comprises an upper guide block 1.1, an upper guide wheel 1.2 and an upper locking block 1.3, the lower guide and guarding module comprises a lower guide block 1.4, a lower guide wheel 1.5 and a lower locking block 1.6, the upper guide block 1.1 is provided with an upper guide groove 1.7 with a horn inlet, the lower guide block 1.4 is provided with a lower guide groove 1.8 with a horn inlet, the upper guide groove 1.7 and the lower guide groove 1.8 form a first guide channel for rolling materials, an upper guide wheel 1.2 is rotationally arranged in the middle of the upper guide groove 1.7, two ends of the upper guide wheel 1.2 are connected with the upper locking block 1.3 through bearings, the upper locking block 1.3 is fixed on the upper guide block 1.1 through bolts, the upper guide block 1.1 is provided with an upper guide wheel containing groove with a downward opening corresponding to the upper guide wheel 1.2, the upper guide wheel 1.2 is axially provided with an upper guide groove 1.2 corresponding to the upper guide groove 1.7, the upper guide wheel 1.1.2 forms a first guide channel with a rolling material, the upper guide groove 1.2 is identical with the upper guide groove 1.1.7, the middle part of the lower guide groove 1.8 is rotatably provided with a lower guide wheel 1.5, the upper guide wheel 1.2 and the lower guide wheel 1.5 correspond up and down, two ends of the lower guide wheel 1.5 are connected with a lower locking piece 1.6 through bearings, the lower locking piece 1.6 is fixed on a lower guide block 1.4 through bolts, the lower guide block 1.4 corresponds to the lower guide wheel 1.5 and is provided with a lower guide wheel accommodating groove with an upward opening, the lower guide wheel 1.5 axially corresponds to the lower guide groove 1.8 and is provided with a lower guide wheel groove 1.5.1, the lower guide wheel groove 1.5.1 and the lower guide groove 1.8 are on the same straight line, an oil cavity 1.9 is arranged above the upper guide groove 1.7, the oil cavity 1.9 and the upper guide groove 1.7 are communicated through an oil outlet 1.10, the two oil outlets 1.10 are arranged on the upper surface of the upper guide groove 1.7 and are arranged at the front and back sides of the upper guide groove 1.2, the cold working rolling material, the guide groove and the roller and the oil cavity are lubricated by continuous oil spraying at a reasonable angle, the oil inlet 1.9, and the oil cavity stores emulsion to lubricate and cool each guide groove, each guide wheel and each rolled piece, so as to accelerate cooling circulation.
The lever type elastic guide and guard device 2 comprises a base frame 2.1, an upper base frame 2.2, guide bodies 2.3, guide wheels 2.4 and a compression adjusting component, wherein the upper base frame 2.2 and the base frame 2.1 are respectively provided with a mounting cavity, the guide bodies 2.3 which are vertically symmetrical are arranged in the corresponding mounting cavities, each guide body 2.3 is internally provided with a guide groove 2.3.1 with a horn inlet, the guide grooves 2.3.1 which are vertically arranged are paired to form a second guide channel, the base frame 2.1 is hinged with the middle part of the upper base frame 2.2, the guide wheels 2.4 are respectively arranged at the upper base frame 2.2 and the outlet end of the base frame 2.1, the guide wheels 2.4 are respectively connected with the upper base frame 2.2 and the base frame 2.1 in a rotating way, the guide wheels 2.4 are correspondingly provided with guide wheel grooves 2.4.1, the guide grooves 2.3.1 are used as the extension of the guide grooves 2.3.1, the guide grooves 2.3.1 are consistent in size with the guide wheel grooves 2.4.1 and are on the same central axis, the compression adjusting assembly is close to the inlet ends of the upper seat frame 2.2 and the base frame 2.1, the two compression adjusting assemblies are arranged on the two sides of the guide body 2.3 in a left-right mode, the compression adjusting assemblies comprise springs 2.5, screw rods 2.6 and screw caps 2.7, the bottoms of the screw rods 2.6 are fixed in lower locating holes of the base frame 2.1, the springs 6 are sleeved on the screw rods 2.6, the screw rods 2.6 sleeved with the springs 2.5 penetrate through the upper seat frame 2.2 and then are screwed with screw caps 2.7, upper locating holes are formed in the upper seat frame 2.2 correspondingly to lower locating holes, the screw rods 2.6 and the springs 2.5 are accommodated in the upper locating holes and the lower locating holes in a matched mode, compression degree of the springs 2.5 is adjusted through the screw caps 2.7 on the adjusting screw rods 2.6, namely compression degree of the guide wheels 2.4 is controlled, and the guide wheels located above are converted into elastic guide wheels, so that sliding hard friction between a rolling piece and a guide groove is changed into elastic rolling friction.
The upper guide blocks 1.1, the lower guide blocks 1.4 and the guide body 2.3 are made of cold rolled steel materials, and the surface is plated with a wear-resistant chromium layer, so that the hardness is increased to 60HR, and the smoothness and the wear resistance are greatly improved.
Convex keys 1.1.1 and key grooves 1.4.1 are respectively arranged on corresponding contact surfaces of the upper guide block 1.1 and the lower guide block 1.4, the convex keys 1.1.1 and the key grooves 1.4.1 are matched, the arc-shaped convex keys 1.1.1 are large in friction resistance, the front and back movement of the upper guide block 1.1 during rolling is effectively controlled, and shaking of rolling materials is reduced. The convex key 1.1.1 is close to the horn inlet of the upper guide groove 1.7 and is arranged at the left side and the right side of the upper guide groove 1.7, and the key groove 1.4.1 is close to the horn inlet of the lower guide groove 1.8 and is arranged at the left side and the right side of the lower guide groove 1.8.
The upper locking piece 1.3 is in wedge fit with the lower locking piece 1.6, the upper locking piece 1.3 is inserted into a wedge opening of the lower locking piece 1.6 through the protruding part, the left and right movement of the upper guide piece 1.1 is effectively locked, and the shake of rolling materials is reduced.
The guide body 2.3 of upper and lower symmetry is fixed on the base frame 2.1 through the guide seal piece 2.8, the guide seal piece 2.8 sets up the entrance point at the guide body 2.3, and the guide seal piece 2.8 passes through the bolt fastening, corresponds the bolt and is equipped with the screw hole on the base frame 2.1, and two screw holes bilateral symmetry set up the both sides at the guide body 2.3.
The top surface of the guide body 2.3 positioned above is provided with oil holes 2.3.2, the oil holes 2.3.2 are communicated with the guide grooves 2.3.1, the oil holes 2.3.2 are provided with two oil holes, one oil hole is arranged at the inlet end of the guide body 2.3, the other oil hole is arranged at the middle part of the guide body 2.3, the oil pipe 2.9 is connected with the oil holes 2.3.2, the oil pipe 2.9 corresponding to the inlet end of the guide sealing plate 8 is provided with oil pipe holes, the upper seat frame 2.2 is provided with movable holes 2.2.1 corresponding to the oil pipe 2.9 in the middle part, and the size of each movable hole 2.2.1 is larger than the outer diameter of the oil pipe, so that the upper seat frame 2.2 can swing conveniently.
Clamping columns 2.10 are arranged on the left side and the right side of the middle of the base frame 2.1, the clamping columns 2.10 clamp the upper seat frame 2.2, a connecting shaft 2.11 is arranged between the two clamping columns 2.10, and the connecting shaft 2.11 penetrates through the upper seat frame 2.2.
The base frame 2.1 is also provided with a fixing hole 2.1.1, the fixing hole 2.1.1 integrally fixes the guide and guard device on the rolling mill frame through bolts, the bottom of the base frame 2.1 is also provided with a sliding groove 2.1.2, and the sliding groove 2.1.2 is convenient for fixing the guide and guard device and the rolling mill frame relatively and not shifting.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (9)
1. A high-precision guide system of a two-high mill is characterized in that: the device comprises a guide wheel centering type guide and guard device, a lever type elastic guide and guard device and a roller set, wherein the guide wheel centering type guide and guard device and the lever type elastic guide and guard device are arranged in a staggered mode in pairs, the longitudinal roller set is arranged between the guide wheel centering type guide and guard device and the lever type elastic guide and guard device which are longitudinally arranged, and the transverse roller set is arranged between the guide wheel centering type guide and guard device and the lever type elastic guide and guard device which are transversely arranged;
the guide wheel centering type guide and guard device is formed by matching and combining an upper guide and guard module and a lower guide and guard module, the upper guide and guard module comprises an upper guide block and an upper guide wheel, the lower guide and guard module comprises a lower guide block and a lower guide wheel, the upper guide block is provided with an upper guide groove with a horn inlet, the lower guide block is provided with a lower guide groove with a horn inlet, the middle part of the upper guide groove is rotationally provided with an upper guide wheel, the middle part of the lower guide groove is rotationally provided with a lower guide wheel, and the upper guide groove and the lower guide groove are matched to form a first guide channel of a rolling material;
the lever type elastic guide and guard device comprises a base frame, an upper base frame, guide bodies, guide wheels and compaction adjusting assemblies, wherein the guide bodies which are vertically symmetrical are arranged in the corresponding base frames, guide grooves are formed in the guide bodies, the guide grooves which are vertically arranged are matched to form a second guide channel, the base frame is hinged with the middle part of the upper base frame, the guide wheels are respectively arranged at the outlet ends of the upper base frame and the base frame up and down, and the compaction adjusting assemblies are close to the inlet ends of the upper base frame and the base frame;
the first guide channel, the second guide channel and the roller group are on the same straight line.
2. The high precision guide system of a two-high mill according to claim 1, wherein: the two compaction adjusting assemblies are arranged on the left side and the right side of the guide body, each compaction adjusting assembly comprises a spring, a screw rod and a screw cap, the bottom of each screw rod is fixed in a lower positioning hole of the base frame, the springs are sleeved on the screw rods, and the screw rods penetrate through the upper base frame and then are connected with the screw caps in a screwed mode.
3. The high precision guide system of a two-high mill according to claim 1, wherein: the upper guide wheel is axially provided with an upper guide wheel groove corresponding to the upper guide groove, the lower guide wheel is axially provided with a lower guide wheel groove corresponding to the lower guide groove, the guide wheel is provided with a guide wheel groove corresponding to the guide groove, and the guide wheel groove is used as the extension of the guide groove.
4. The high precision guide system of a two-high mill according to claim 1, wherein: an oil cavity is arranged above the upper guide groove and communicated with the upper guide groove through an oil outlet, an oil hole is formed in the top surface of the guide body above the oil cavity, and the oil hole is communicated with the guide groove.
5. The high precision guide system of a two-high mill according to claim 1, wherein: the upper guide wheel both ends are connected through the bearing and are gone up the locking piece, go up the locking piece and pass through the bolt fastening on the upper guide block, lower guide wheel both ends are connected through the bearing and are gone up the locking piece down, and lower locking piece passes through the bolt fastening on the lower guide block, go up locking piece and lower locking piece wedge fit, go up the wedge mouth that the locking piece passed through the bulge and insert down, the restriction is gone up the guide block and is moved about.
6. The high precision guide system of a two-high mill according to claim 1, wherein: and the corresponding contact surfaces of the upper guide block and the lower guide block are respectively provided with a convex key and a key groove, and the convex key and the key groove are matched to limit the front-back movement of the upper guide block.
7. The high precision guide system of a two-high mill according to claim 1, wherein: the guide body of upper and lower symmetry passes through the direction sealing piece to be fixed on the base frame, the direction sealing piece sets up the entrance point at the guide body, and the direction sealing piece passes through the bolt fastening, corresponds the bolt on the base frame and is equipped with the screw hole, and two screw holes bilateral symmetry set up in the both sides of guide body.
8. The high precision guide system of a two-high mill according to claim 1, wherein: the upper guide block, the lower guide block and the guide body are made of cold rolled steel materials, and the surface of the upper guide block, the lower guide block and the guide body is plated with a wear-resistant chromium layer.
9. The high precision guide system of a two-high mill according to claim 1, wherein: the left and right sides in the middle of the base frame are provided with clamping columns which clamp the upper seat frame, a connecting shaft is arranged between the two clamping columns, and the connecting shaft penetrates through the upper seat frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310699862.7A CN116833238A (en) | 2023-06-14 | 2023-06-14 | High-precision guide system of two-high mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310699862.7A CN116833238A (en) | 2023-06-14 | 2023-06-14 | High-precision guide system of two-high mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116833238A true CN116833238A (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310699862.7A Pending CN116833238A (en) | 2023-06-14 | 2023-06-14 | High-precision guide system of two-high mill |
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| Country | Link |
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| CN (1) | CN116833238A (en) |
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- 2023-06-14 CN CN202310699862.7A patent/CN116833238A/en active Pending
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