CN111774420A - Horizontal two-roller mill capable of quickly changing rollers - Google Patents
Horizontal two-roller mill capable of quickly changing rollers Download PDFInfo
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- CN111774420A CN111774420A CN202010760688.9A CN202010760688A CN111774420A CN 111774420 A CN111774420 A CN 111774420A CN 202010760688 A CN202010760688 A CN 202010760688A CN 111774420 A CN111774420 A CN 111774420A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
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Abstract
The invention relates to a horizontal two-roller mill capable of quickly changing rollers, which comprises a frame and a rolling unit, wherein the rolling unit comprises a left roller supporting assembly, a roller assembly and a right roller supporting assembly which are sequentially arranged along the horizontal direction, wherein the left roller supporting assembly: the left roll seat, the left bearing and the left shaft sleeve are sequentially arranged from outside to inside, the left shaft sleeve is arranged in a hollow mode, an inserting block extends from one end, facing the roll component, of the left shaft sleeve, and the left roll seat is embedded in the installation groove in a sliding mode; right roll support assembly: including right roll seat, right bearing and the right axle sleeve that sets gradually from outer to inner, the cavity sets up in the right axle sleeve, right roll seat all slides to inlay and locates in the mounting groove, roll assembly: the two ends of the roller assembly are coaxially and slidably inserted into the left shaft sleeve and the right shaft sleeve, and the roller assembly is provided with an insertion groove matched with the insertion block, so that the roller assembly can be quickly disassembled and replaced.
Description
Technical Field
The invention relates to the technical field of rolling mills, in particular to a horizontal two-roller rolling mill capable of quickly changing rollers.
Background
A rolling mill is a device for plastically deforming metal.
The patent with the prior publication number of CN205587427U discloses a roller mechanism of a vertical rolling mill, which comprises a stand and a roller support arranged on the stand, wherein a motor is arranged at the upper end of the roller support, and a bevel gear box joint, a universal joint intermediate shaft, a spline joint, a spline sleeve and a roller system assembly are sequentially arranged at the output end of the motor from top to bottom
The above prior art solutions have the following drawbacks:
the roller system assembly can be divided into a roller assembly for processing a roller and bearing seats arranged at two ends of the roller assembly obviously by combining the drawings, when the roller assembly needs to be disassembled and replaced, the end part of the roller assembly and a bearing have larger friction, and the bearing is deformed and damaged after being disassembled and assembled for many times.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a horizontal type two-roller mill capable of quickly replacing rollers, wherein two ends of a roller assembly are in plug-in fit with a left shaft sleeve and a right shaft sleeve, so that the purpose that the roller assembly can be quickly disassembled and replaced is realized.
The above object of the present invention is achieved by the following technical solutions:
a horizontal two-high rolling mill with quick roll change comprises
A frame: the mounting structure comprises a base, a pair of symmetrical mounting plates and a top cover which are sequentially arranged from bottom to top, wherein a mounting groove penetrates through the mounting plates along the horizontal direction, and the mounting groove extends along the vertical direction;
a rolling unit: the rolling unit comprises a left roller support assembly, a roller assembly and a right roller support assembly which are sequentially arranged along the horizontal direction;
left roll support assembly: the left roll seat, the left bearing and the left shaft sleeve are sequentially arranged from outside to inside, the left shaft sleeve is hollow, and the left roll seat is embedded in the mounting groove in a sliding manner;
right roll support assembly: the right roll seat, the right bearing and the right shaft sleeve are sequentially arranged from outside to inside, the right shaft sleeve is hollow, and the right roll seat is embedded in the mounting groove in a sliding manner;
roll assembly: the two ends of the roll component are coaxially and slidably inserted into the left shaft sleeve and the right shaft sleeve, the roll component and the left shaft sleeve are connected in an embedded matching mode through an insertion block and an insertion groove, and the embedding direction between the insertion block and the insertion groove is parallel to the axis of the roll component;
roll gap adjusting device: including respectively along vertical direction slip inlay locate mounting groove in-connection seat, the connecting seat can be dismantled with left roll seat subassembly and the right roll seat subassembly that is arranged in the rolling unit of top respectively and be connected, the upper end of frame is provided with the power component that drives two connecting seats of simultaneous drive go up and down or drive single connecting seat respectively and go up and down.
By adopting the technical scheme, when the roller is started, the raw material is positioned between the roller assemblies in the rolling unit, and the roller gap between the roller assemblies is changed by moving the left roller seat and the right roller seat in the upper rolling unit in the vertical direction, so that the purpose of the roller is realized; when the roll component needs to be replaced, the pressing plate is firstly removed, then the left roll seat or the right roll seat is taken out from the mounting groove, one end of the roll component is separated from the left shaft sleeve or the right shaft sleeve, and the roll component is taken out to replace a new roll component, so that the purpose of quickly replacing the roll component is achieved, the left bearing or the right bearing is prevented from being damaged by stress, and the service life and the working efficiency of the two-roll mill are improved.
The present invention in a preferred example may be further configured to: the roll component comprises a central shaft and a roll ring which are coaxial, a fixing ring and a sliding ring are coaxially arranged on the central shaft, the inserting groove is formed in the fixing ring, a locking bolt penetrates through the fixing ring and is connected to the sliding ring in a threaded mode, and the roll ring is extruded by the fixing ring and the sliding ring.
Through adopting above-mentioned technical scheme, the collar on the center pin can be dismantled, is further convenient for realize the change collar to different product pertinences, reduces equipment replacement cost.
The present invention in a preferred example may be further configured to: a pair of left bearings is arranged in the left roller seat, a left inner limiting ring is arranged between the left bearings in an abutting mode, a left outer limiting ring is coaxially fixed on each of two sides of the left roller seat in the thickness direction, and the left outer limiting ring abuts against the left bearings; the right roll seat is internally provided with a pair of right bearings, a right inner limiting ring is arranged between the right bearings in an abutting mode, the two sides of the right roll seat in the thickness direction are respectively and coaxially fixed with a right outer limiting ring, and the right outer limiting ring abuts against the right bearings.
Through adopting above-mentioned technical scheme, promote the stability of left axle sleeve and right axle sleeve axis of rotation, and then guarantee the stability of roll, promote roll precision and quality.
The present invention in a preferred example may be further configured to: the utility model discloses a rolling mill roller, including left side roller seat, right side roller seat, spacing ring in the left side roller seat inner wall and right side roller seat inner wall, equal coaxial the offering respectively with the left side in spacing ring or the right side spacing ring align annular oil groove, the circumference interval runs through the intercommunication oilhole that is provided with annular oil groove intercommunication in spacing ring in the left side or the right side, simultaneously be provided with the oil filler point on the left side roller seat and on the right roller seat, the oil filler point sets up with annular oil groove intercommunication.
Through adopting above-mentioned technical scheme, add lubricating oil from the oil filler point, lubricating oil loops through annular oil groove and communicates the oilhole and gets into in left bearing or the right bearing, realizes left bearing or the lubricated purpose of right bearing, promotes the life of rolling unit.
The present invention in a preferred example may be further configured to: it is same be provided with intercommunication oil pipe between on left roll seat and the right roll seat in the rolling unit, intercommunication oil pipe intercommunication two annular oil grooves, and two be provided with the hose in the right groove of intercommunication annular between the oil filler point on the right roll seat, two the oil filler point on the left side roll seat is used for connecting into oil pipe or goes out oil pipe respectively, the inboard coaxial sealing washer that is used for sealing fluid that is provided with of outer spacing ring in a left side and the right side.
Through adopting above-mentioned technical scheme, from the continuous injection lubricating oil of advancing oil pipe, lubricating oil is through inside connecting oil pipe and hose process all left roller seats and right roller seat, realizes the lubricated purpose to all left bearings and right bearings simultaneously, and lubricating oil is got rid of through going out oil pipe at last, is not influencing the normal clear of roll operation, forms the lubricating oil that flows in rolling unit inside, promotes rolling unit's lubricated effect for rolling unit has longer life.
The present invention in a preferred example may be further configured to: the left roller seat and the right roller seat are provided with hollow grooves towards the middle parts of two sides of the inner wall of the mounting groove, and reference surfaces in sliding fit with the inner wall of the mounting groove are formed on the left roller seat and the right roller seat which are positioned outside the hollow grooves; the upper ends of the left roller seat and the right roller seat in the upper rolling unit are provided with oil filling holes, and oil ducts communicated with the oil filling holes and the hollow groove are formed in the left roller seat and the right roller seat.
By adopting the technical scheme, the sizes of the matching surfaces of the left roller seat and the right roller seat and the inner wall of the mounting groove are reduced, so that the processing efficiency of the left roller seat and the right roller seat is improved, the cost of the rolling unit is reduced, and the moving stability of the rolling unit is improved; lubricating oil can be injected from the oil filling hole and enters the hollow groove through the oil duct, and lubrication is formed among the left roller seat, the right roller seat and the inner wall of the mounting groove, so that the rolling unit can be conveniently lifted and disassembled.
The present invention in a preferred example may be further configured to: a limiting component: including dismantling the clamp plate that sets up in mounting panel thickness direction both sides and mounting groove width direction both sides, the clamp plate extends the setting along vertical direction, just clamp plate and left roll stand subassembly or right roll stand subassembly slip butt.
Through adopting above-mentioned technical scheme, the effectual removal that blocks rolling unit horizontal direction of clamp plate among the spacing subassembly for rolling unit can be stable lift, and the stability when promoting the rolling.
The present invention in a preferred example may be further configured to:
when two sets of when the power component subassembly drives two connecting seats respectively and goes up and down, power component includes:
a screw rod: a screw rod is rotatably arranged in the rack and above the rolling unit, the axis of the screw rod is arranged along the vertical direction, and the connecting seat is sleeved on the screw rod in a threaded manner;
worm gear: the upper end of the screw rod is coaxially fixed;
worm: the worm and the worm wheel are arranged in a meshed mode;
driving a motor: fixed to the top cover and used for controlling the rotation of the worm.
Through adopting above-mentioned technical scheme, the rotation of driving motor control worm, and then the rotation that the control worm wheel drove the lead screw realizes that the connecting seat drives the purpose of rolling unit lift adjustment roll gap to the lift of independent left roll supporting component or right roll supporting component, thereby the levelness of adjustment roller subassembly promotes the roll quality.
The present invention in a preferred example may be further configured to: and the upper ends of the left roller seat and the right roller seat in the rolling unit positioned below are provided with elastic supporting components, and the elastic supporting components have the tendency of pushing the left roller seat and the right roller seat in the rolling unit positioned above to move upwards.
Through adopting above-mentioned technical scheme, because screw-thread fit has the clearance between lead screw and the connecting seat, through the support of elastic support subassembly, reduce the connecting seat because the removal deviation that the clearance caused, and then guarantee the stability of roll gap, promote the precision of roll.
The present invention in a preferred example may be further configured to: also comprises
A horizontal adjustment unit: the device comprises a bearing seat and a screw rod which is actively arranged in the bearing seat, wherein the axis of the screw rod is parallel to the axis of a roll assembly, and the screw rod threads are arranged in an installation plate in a penetrating way;
horizontal adjustment motor: for controlling rotation of the screw;
limiting the fixing seat: the limiting fixing seat is in sliding butt joint with the upper end of the base.
By adopting the technical scheme, when the horizontal adjusting motor is started, the horizontal adjusting motor controls the screw to rotate, the screw driving frame moves on the horizontal plane, the relative position between the roll component and the raw material is calibrated, and the precision and the quality of the roll are improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the two ends of the roll component are in plug-in fit with the left shaft sleeve and the right shaft sleeve, so that the purpose that the roll component can be quickly disassembled and replaced is achieved;
2. the roll collar on the central shaft can be detached, so that the roll collar can be replaced pertinently on different products, and the replacement cost of equipment is reduced;
3. a complete oil circuit is formed in the rolling unit, so that the purpose of stable lubrication of all bearings is realized, and the service life of the rolling mill is prolonged;
4. the two ends of the rolling unit in the axial direction can be independently or simultaneously adjusted, so that the adjustment of a roll gap and the control of the levelness of the roll component are facilitated, and the quality and the precision of the roll are improved;
5. the clearance of screw rod and connecting seat is got rid of to the elastic support subassembly is effectual, has guaranteed the stability of roll gap size, promotes roll quality and precision.
Drawings
FIG. 1 is a schematic view of an assembly of a horizontal type two-high rolling mill with rapid roll change;
FIG. 2 is a schematic view for embodying a connection structure between two rolling units;
FIG. 3 is an exploded view of a structure for embodying the left roll support assembly;
FIG. 4 is an exploded view of a roller assembly embodying the structure;
FIG. 5 is an exploded view of the right roll support assembly construction;
FIG. 6 is a half sectional view for embodying the internal structure of a single roll unit;
FIG. 7 is a schematic half-sectional view for embodying the structure of the roll gap adjusting apparatus.
In the figure, a1, rack; a2, a base; a3, mounting plate; a31, mounting groove; a4, a top cover;
b1, rolling unit; b2, a left roller supporting assembly; b21, a left roller seat; b22, a left bearing; b23, a left shaft sleeve; b24, a plug block; b25, a left inner limiting ring; b26, a left outer limiting ring; b3, a right roller supporting assembly; b31, a right roller seat; b32, a right bearing; b33, a right shaft sleeve; b34, a right inner limiting ring; b35, a right outer limit ring; b4, roll assembly; b41, central axis; b42, a plug groove; b43, a fixing ring; b44, a slip ring; b45, a roll collar; b51, a pressure plate; b6, annular oil groove; b7, a communication oil hole; b8, oil filler point; b9, communicating an oil pipe; b10, a hose; b11, a sealing ring; b12, hollow groove; b13, oil filling hole; b14, oil passage; b15, reference plane; b16, a handle;
c1, a roll gap adjusting device; c2, a connecting seat; c3, a lead screw; c4, worm gear; c5, a driving motor; c6, worm; c7, elastic supporting components;
d1, a horizontal adjustment unit; d2, a bearing seat; d3, a screw; d5, limit fixing base.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the quick roll change horizontal type two-roll mill comprises a stand A1, a stand A1 comprises a base A2, a pair of symmetrical mounting plates A3 and a top cover A4 which are sequentially arranged from bottom to top, the four corners between the mounting plates A3 are connected with fixing columns, a mounting groove A31 penetrates through the mounting plate A3 along the thickness direction thereof, the mounting groove A31 extends along the vertical direction, meanwhile, a pair of rolling units B1 are arranged between the mounting plates A3, the two rolling units B1 are distributed at intervals in the vertical direction, the rolling unit B1 comprises a left roll supporting assembly B2, a roll assembly B4 and a right roll supporting assembly B3 which are arranged in sequence in the horizontal direction, the left roller supporting assembly B2 and the right roller supporting assembly B3 are respectively embedded in the mounting groove A31, the lower rolling unit B1 is fixed between the mounting plates A3, and the upper rolling unit B1 is arranged in a sliding mode in the vertical direction;
when starting the roll, the raw material is located between the roll assemblies B4 in the rolling unit B1, and the roll is achieved by moving the left roll stand B21 and the right roll stand B31 located in the upper rolling unit B1 in the vertical direction, thereby changing the roll gap between the roll assemblies B4.
As shown in fig. 2-6, the left roll supporting assembly B2 includes a left roll seat B21, a left bearing B22 and a left shaft sleeve B23, which are sequentially arranged from outside to inside, the outside of the left shaft sleeve B23 is in interference fit with the left bearing B22, the inside of the left shaft sleeve B23 is coaxially and hollow, and a plug-in block B24 extends from the radial end of the left shaft sleeve B23 facing to the side of the roll assembly B4; the right roller supporting assembly B3 comprises a right roller seat B31, a right bearing B32 and a right shaft sleeve B33 which are sequentially arranged from outside to inside, the outside of the right shaft sleeve B33 is in interference fit with the right bearing B32, and the inside of the right shaft sleeve B33 is coaxially and hollow; the roll assembly B4 comprises a central shaft B41, a fixing ring B43 and a sliding ring B44 are coaxially arranged on the central shaft B41, a fixing ring B43 and the central shaft B41 are integrally arranged, an inserting groove B42 is formed in one side, facing the left roll supporting assembly B2, of the fixing ring B43, an inserting block B24 on a left shaft sleeve B23 is matched with the inserting groove B42 in an embedded mode, a sliding ring B44 is movably sleeved on the central shaft B41 in a sleeved mode, a locking bolt penetrates through the fixing ring B43 and is in threaded connection with the sliding ring B44, a roll ring B45 is coaxially sleeved on the central shaft B41, and the roll ring B45 is fixed through extrusion of the fixing ring B43 and the sliding ring B44;
meanwhile, one end of the left shaft sleeve B23, which is far away from the roll assembly B4, extends out of the left roll seat B21, a flange is coaxially fixed at the end, a universal joint is mounted on the flange and connected with the output end of a roll motor, when the roll motor is started, the left shaft sleeve B23 is driven to rotate in the left roll seat B21, and meanwhile, the central shaft B41 stably rotates around the axis of the left shaft sleeve B33 under the support of the right shaft sleeve B33, so that the purpose of roll operation is achieved.
Limiting assemblies for limiting the moving direction of the rolling unit B1 are mounted on two sides of the mounting plate A3 in the thickness direction, each limiting assembly comprises a pair of pressing plates B51 along the vertical direction, each pressing plate B51 is detachably fixed on the mounting plate A3 through screws, two pairs of limiting assemblies are mounted on each side of the mounting plate A3, the pressing plates B51 are partially aligned with the mounting grooves A31, the pressing plates B51 are abutted with the left roller seat B21 or the right roller seat B31, the moving directions of the left roller seat B21 and the right roller seat B31 are further limited, and stable lifting of the rolling unit B1 in the vertical direction is achieved;
when the roll assembly B4 needs to be replaced, the pressing plate B51 is firstly removed, then the left roll seat B21 or the right roll seat B31 is taken out of the mounting groove A31, so that one end of the roll assembly B4 is separated from the left shaft sleeve B23 or the right shaft sleeve B33, then the roll assembly B4 is taken out to be replaced by a new roll assembly B4, the purpose of quickly replacing the roll assembly B4 is achieved, meanwhile, the left bearing B22 or the right bearing B32 is prevented from being damaged by stress, and the service life and the working efficiency of the two-roll mill are prolonged. And a pair of handles B16 is fixed on the opposite side of the left roller seat B21 and the right roller seat B31, the handles B16 are positioned on the two opposite sides of the left roller seat B21 and the right roller seat B31 in the horizontal direction, the handles B16 are U-shaped, the two ends of the handles B16 are fixedly connected to the left roller seat B21 and the right roller seat B31, and the left roller seat B21 and the right roller seat B31 are further convenient to disassemble and assemble.
As shown in fig. 7, a roll gap adjusting device C1 for controlling the lifting of the upper rolling unit B1 is further installed at the upper end of the stand a1, the roll gap adjusting device C1 includes a connecting seat C2 embedded in the mounting groove a31, and the connecting seat C2 is detachably connected with the left roll seat B21 or the right roll seat B31 of the upper rolling unit B1 by bolts, that is, when the upper rolling unit B1 is disassembled, after the pressing plate B51 is removed, the left roll seat B21 or the right roll seat B31 is fixed to the connecting seat C2. The roll gap adjusting device C1 further comprises a power assembly for controlling the lifting of the connecting seat C2, the power assembly comprises a lead screw C3 rotatably mounted at the upper end of the rack A1, the lower end of the lead screw C3 extends into the mounting groove A31 and is in threaded connection with the connecting seat C2, the upper end of the lead screw C3 penetrates through the top cover A4 and is coaxially fixed with a worm wheel C4, meanwhile, a driving motor C5 is fixed on the top cover A4, the output end of the driving motor C5 is fixed with a worm C6, the worm C6 is meshed with the worm wheel C4, the worm C6 is controlled to rotate by the driving motor C5, the worm wheel C4 is further controlled to drive the lead screw C3 to rotate, and the purpose that the connecting seat C2 drives the rolling unit B1.
The roll gap adjusting device C1 may alternatively adopt a single worm C6 and a driving motor C5, the worm C6 is rotatably disposed between two worm wheels C4, and the worm C5 is simultaneously engaged with the two worm wheels C4, and the threads between the two sets of lead screws C3 and the connecting seat C2 are disposed in an opposite spiral structure; when the driving motor C6 is started, the single worm C5 drives the two worm gears C4 to drive, so that the two lead screws C3 rotate simultaneously and drive the two connecting seats C3 to synchronously lift, and the adjustment of the roll gap is realized.
As shown in fig. 2, an elastic support assembly C7 is fixed at the upper ends of the left roller seat B21 and the right roller seat B31 in the lower rolling unit B1, in this embodiment, a nitrogen spring is used as the elastic support assembly C7, and the telescopic end of the nitrogen spring abuts against and supports the lower ends of the left roller seat B21 and the right roller seat B31 in the upper rolling unit B1; because there is the clearance in the screw-thread fit between lead screw C3 and the connecting seat C2, through nitrogen spring's support, reduce connecting seat C2 because the removal deviation that the clearance caused, and then guarantee the stability of roll gap, promote the precision of roll.
As shown in fig. 2-6, a pair of left bearings B22 is arranged in the left roller seat B21, a left inner limiting ring B25 is arranged between the left bearings B22 in a butting manner, a left outer limiting ring B26 is coaxially fixed on each of two sides of the left roller seat B21 in the thickness direction, and a left outer limiting ring B26 is arranged on the opposite side of the left bearings B22 in a butting manner; a pair of right bearings B32 is arranged in the same right roller seat B31, a right inner limiting ring B34 is arranged between the right bearings B32 in a butt joint mode, meanwhile, the two sides of the thickness direction of the right roller seat B31 are respectively and coaxially fixed with a right outer limiting ring B35, a right outer limiting ring B35 is in butt joint with the back side between the right bearings B32, the stability of the rotating axes of the left shaft sleeve B23 and the right shaft sleeve B33 is improved, the stability of the roller is further guaranteed, and the accuracy and the quality of the roller are improved.
The inner walls of the left roller seat B21 and the right roller seat B31 are coaxially provided with annular oil grooves B6, the annular oil grooves B6 are aligned with a left inner limiting ring B25 or a right inner limiting ring B34, a communication oil hole B7 is arranged on the left inner limiting ring B25 or the right inner limiting ring B34 in a penetrating mode at intervals in the circumferential direction, the communication oil hole B7 is communicated with the annular oil groove B6, meanwhile, oil filling holes B8 are arranged on the left roller seat B21 and the right roller seat B31, the oil filling holes B8 are communicated with the annular oil groove B6, lubricating oil is added through the oil filling holes B8, the lubricating oil sequentially passes through the annular oil grooves B6 and the communication oil hole B7 to enter the left bearing B22 or the right bearing B32, the purpose of lubricating the left bearing B22 or the right bearing B32 is achieved, and the service life of the lifting rolling unit B1 is prolonged.
An oil connecting pipe B9 is connected between a left roller seat B21 and a right roller seat B31 in the same rolling unit B1, the oil connecting pipe is communicated with two annular right grooves, a hose B10 is arranged between oil filling holes B8 of right roller seats B31 in different rolling units B1, the hose B10 enables annular oil grooves B6 in two right roller seats B31 to be communicated, an oil inlet pipe and an oil outlet pipe are connected to an oil filling hole B8 of the left roller seat B21 in different rolling units B1, and sealing rings B11 for sealing oil are coaxially arranged on the inner sides of a left outer limiting ring B26 and a right outer limiting ring B35;
lubricating oil is continuously injected through the oil inlet pipe, the lubricating oil passes through all the left roller seat B21 and the right roller seat B31 through the connecting oil pipe and the hose B10, the purpose of lubricating all the left bearings B22 and the right bearings B32 at the same time is achieved, the lubricating oil is finally discharged through the oil outlet pipe, flowing lubricating oil is formed inside the rolling unit B1 without influencing the normal operation of the rolling operation, the lubricating effect of the rolling unit B1 is improved, and the rolling unit B1 has longer service life.
The middle parts of the left roller seat B21 and the right roller seat B31, which face the two sides of the inner wall of the installation groove A31, are provided with a hollow groove B12, and a reference surface B15 in sliding fit with the inner wall of the installation groove A31 is formed on the left roller seat B21 and the right roller seat B31 which are positioned outside the hollow groove B12, so that the sizes of matching surfaces of the left roller seat B21, the right roller seat B31 and the inner wall of the installation groove A31 are reduced, the processing efficiency of the left roller seat B21 and the right roller seat B31 is improved, and the cost of the rolling unit B1 is reduced.
Oil filling holes B13 are formed in the upper ends of a left roller seat B21 and a right roller seat B31 in the upper rolling unit B1, oil plugs are arranged in the oil filling holes B13, oil passages B14 are formed in the left roller seat B21 and the right roller seat B31, and the oil passages B14 are communicated with the oil filling holes B13 and a hollow groove B12; lubricating oil is injected through the oil filling hole B13 and enters the hollow groove B12 through the oil passage B14, lubrication is formed among the left roller seat B21, the right roller seat B31 and the inner wall of the installation groove A31, and lifting and dismounting of the rolling unit B1 are facilitated.
As shown in fig. 1 and 7, a base a2 of the rack a1 is slidably disposed on the ground, and a horizontal adjustment unit D1 that pushes the base a2 to move is mounted on the ground, the horizontal adjustment unit D1 includes a bearing seat D2 and a screw D3 disposed in a bearing seat D2, an axis of the screw D3 is parallel to an axis of the roll assembly B4, the screw D3 is threaded through a lower end of the mounting plate A3, and a horizontal adjustment motor is further fixed on the ground, an output end of the horizontal adjustment motor is coaxially fixed with the screw D3, meanwhile, limiting fixing seats D5 fixed on the ground are disposed on two opposite sides of the base a2 in the horizontal direction, the limiting fixing seats D5 are in an L-shaped strip structure in cross section, and the limiting fixing seats D5 abut against an upper end of the base a2 and two opposite sides of the horizontal direction;
when the horizontal adjusting motor is started, the horizontal adjusting motor controls the screw D3 to rotate, the screw D3 drives the frame A1 to move on the horizontal plane, the relative position between the calibration roll assembly B4 and the raw material is adjusted, and the accuracy and the quality of the roll are improved.
The implementation principle of the embodiment is as follows:
when the roll assembly B4 is replaced, firstly, a pressing plate B51 arranged on a mounting plate A3 of a right roll supporting assembly B3 is disassembled, then the right roll supporting assembly B3 is fixed through a handle B16, then a connecting seat C2 and a right roll seat B31 are disassembled, the right roll supporting assembly B3 and the roll assembly B4 are sequentially pulled out of a frame A1, a new roll assembly B4 is mounted in the frame A1, then the right roll supporting assembly B3 is mounted in the frame A1 again, and the fast replacement of the roll assembly B4 is completed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a two high-speed roll change horizontal type rolling mills which characterized in that: comprises that
Frame (a 1): the device comprises a base (A2), a pair of symmetrical mounting plates (A3) and a top cover (A4), wherein the base (A2), the pair of symmetrical mounting plates (A3) and the top cover (A4) are sequentially arranged from bottom to top, a mounting groove (A31) penetrates through the mounting plate (A3) in the horizontal direction, and the mounting groove (A31) extends in the vertical direction;
rolling unit (B1): a pair of rolling units (B1) are arranged on the stand (A1) at intervals along the vertical direction, and the rolling unit (B1) comprises a left roll supporting assembly (B2), a roll assembly (B4) and a right roll supporting assembly (B3) which are sequentially arranged along the horizontal direction;
left roll support assembly (B2): the device comprises a left roller seat (B21), a left bearing (B22) and a left shaft sleeve (B23) which are sequentially arranged from outside to inside, wherein the left shaft sleeve (B23) is hollow, and the left roller seat (B21) is embedded in an installation groove (A31) in a sliding manner;
right roll support assembly (B3): the device comprises a right roller seat (B31), a right bearing (B32) and a right shaft sleeve (B33) which are sequentially arranged from outside to inside, wherein the right shaft sleeve (B33) is hollow, and the right roller seat (B31) is embedded in an installation groove (A31) in a sliding manner;
roll assembly (B4): the two ends of the roll assembly (B4) are coaxially and slidably inserted into a left shaft sleeve (B23) and a right shaft sleeve (B33), the roll assembly (B4) and the left shaft sleeve (B23) are connected in an embedded fit manner by adopting an insertion block (B24) and an insertion groove (B42), and the embedding direction between the insertion block (B24) and the insertion groove (B42) is parallel to the axis of the roll assembly (B4);
roll gap adjusting device (C1): including respectively along vertical direction slip inlay locate mounting groove (A31) in-connection seat (C2), connection seat (C2) respectively with be located the roll unit (B1) of top left roll seat (B21) subassembly and right roll seat (B31) subassembly detachable connection, the upper end of frame (A1) is provided with the power component or two sets of power component that drive single connection seat (C2) lift respectively of single simultaneous drive two connection seats (C2).
2. The horizontal type two-high rolling mill with rapid roll change according to claim 1, wherein: the roll assembly (B4) comprises a central shaft (B41) and a roll ring (B45) which are coaxial, a fixing ring (B43) and a sliding ring (B44) are coaxially arranged on the central shaft (B41), the inserting groove (B42) is formed in the fixing ring (B43), a locking bolt penetrates through the fixing ring (B43) and is in threaded connection with the sliding ring (B44), and the fixing ring (B43) and the sliding ring (B44) extrude the roll ring (B45).
3. The horizontal type two-high rolling mill with rapid roll change according to claim 1, wherein: a pair of left bearings (B22) is arranged in the left roller seat (B21), a left inner limiting ring (B25) is arranged between the left bearings (B22) in an abutting mode, a left outer limiting ring (B26) is coaxially fixed on two sides of the left roller seat (B21) in the thickness direction respectively, and the left outer limiting ring (B26) abuts against the left bearing (B22); be provided with a pair ofly in right roll seat (B31) right bearing (B32), just the butt sets up spacing ring (B34) in the right side between right bearing (B32), the both sides of right roll seat (B31) thickness direction are coaxial fixed right outer spacing ring (B35) respectively, right outer spacing ring (B35) butt in right bearing (B32).
4. The two-high rolling mill of claim 3, characterized in that: the utility model discloses a rolling mill, including left side roller seat (B21) inner wall and right roller seat (B31) inner wall, equal coaxial seting up respectively with the annular oil groove (B6) of left side interior spacing ring (B25) or right spacing ring alignment on left side roller seat (B21) inner wall and right roller seat (B31) inner wall, the circumference interval runs through on left side interior spacing ring (B25) or the right side interior spacing ring (B34) and is provided with intercommunication oilhole (B7) that communicate with annular oil groove (B6), simultaneously on left side roller seat (B21) and be provided with oil filler point (B8) on right roller seat (B31), oil filler point (B8) and annular oil groove (B6) intercommunication setting.
5. The two-high rolling mill of claim 4, wherein: it is same be provided with between left roll seat (B21) and right roll seat (B31) in rolling unit (B1) intercommunication oil pipe (B9), intercommunication oil pipe (B9) communicate two annular oil grooves (B6), and two be provided with hose (B10) in the right groove of intercommunication annular between oil filler point (B8) on right roll seat (B31), two oil filler point (B8) on left side roll seat (B21) are used for connecting into oil pipe or play oil pipe respectively, left outer spacing ring (B26) and right outer spacing ring (B35) inboard coaxial be provided with be used for sealing oil's sealing washer (B11).
6. The horizontal type two-high rolling mill with rapid roll change according to claim 1, wherein: a hollow groove (B12) is formed in the middle of the two sides of the inner wall of the mounting groove (A31) of the left roller seat (B21) and the right roller seat (B31), and a reference surface (B15) in sliding fit with the inner wall of the mounting groove (A31) is formed on the left roller seat (B21) and the right roller seat (B31) which are located on the outer side of the hollow groove (B12); the upper ends of a left roller seat (B21) and a right roller seat (B31) in the upper rolling unit (B1) are provided with oil filling holes (B13), and oil passages (B14) communicated with the oil filling holes (B13) and the hollow groove (B12) are arranged in the left roller seat (B21) and the right roller seat (B31).
7. The horizontal type two-high rolling mill with rapid roll change according to claim 1, wherein: the device also comprises a limiting component;
a limiting component: including dismantling the clamp plate (B51) that sets up in mounting panel (A3) thickness direction both sides and mounting groove (A31) width direction both sides, clamp plate (B51) extend the setting along vertical direction, just clamp plate (B51) and left roll seat (B21) subassembly or right roll seat (B31) subassembly slip butt.
8. The horizontal type two-high rolling mill with rapid roll change according to claim 1, wherein: when the power assemblies respectively drive the link seats (C2), the power assemblies include:
lead screw (C3): a lead screw (C3) is rotatably arranged in the rack (A1) and above the rolling unit (B1), the axis of the lead screw (C3) is arranged along the vertical direction, and the connecting seat (C2) is sleeved on the lead screw (C3) in a threaded manner; worm wheel (C4): the upper end of the lead screw (C3) is coaxially fixed;
worm (C6): the worm is rotatably arranged on the top cover (A4), and the worm (C6) and the worm wheel (C4) are meshed; drive motor (C5): is fixed on the top cover (A4) and is used for controlling the rotation of the worm (C6).
9. The horizontal type two-high rolling mill with rapid roll change according to claim 1, wherein: the upper ends of a left roller seat (B21) and a right roller seat (B31) in the lower rolling unit (B1) are provided with an elastic supporting component (C7), and the elastic supporting component (C7) has the tendency of pushing the left roller seat (B21) and the right roller seat (B31) in the upper rolling unit (B1) to move upwards.
10. The horizontal type two-high rolling mill with rapid roll change according to claim 1, wherein: further comprising a level adjustment unit (D1): the device comprises a bearing seat (D2) and a screw rod (D3) which is actively arranged in the bearing seat (D2), wherein the axis of the screw rod (D3) is parallel to the axis of a roll assembly (B4), and the screw rod (D3) is threaded through a mounting plate (A3);
horizontal adjustment motor: for controlling the rotation of the screw (D3);
spacing fixing base (D5): the limiting fixed seat (D5) is in sliding butt joint with the upper end of the base (A2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010760688.9A CN111774420A (en) | 2020-07-31 | 2020-07-31 | Horizontal two-roller mill capable of quickly changing rollers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010760688.9A CN111774420A (en) | 2020-07-31 | 2020-07-31 | Horizontal two-roller mill capable of quickly changing rollers |
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| Publication Number | Publication Date |
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| CN111774420A true CN111774420A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010760688.9A Pending CN111774420A (en) | 2020-07-31 | 2020-07-31 | Horizontal two-roller mill capable of quickly changing rollers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022261782A1 (en) * | 2021-06-18 | 2022-12-22 | Structa Wire Ulc | Turret roll formers, forming roller cassettes and related articles and methods |
-
2020
- 2020-07-31 CN CN202010760688.9A patent/CN111774420A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022261782A1 (en) * | 2021-06-18 | 2022-12-22 | Structa Wire Ulc | Turret roll formers, forming roller cassettes and related articles and methods |
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Effective date of registration: 20220228 Address after: 226000 No. 86, Fuqiang Road, Guoqiang Industrial Zone, Sijia Town, Haimen District, Nantong City, Jiangsu Province Applicant after: NANTONG RUIGE PRECISION MACHINERY CO.,LTD. Address before: No.6 Binshui Road, Nantong Development Zone, Jiangsu Province, 226000 Applicant before: NANTONG GERON INTELLIGENT EQUIPMENT R&D CO.,LTD. |
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