CN115609373A - Laser cladding synchronous grinding process for roller repair - Google Patents
Laser cladding synchronous grinding process for roller repair Download PDFInfo
- Publication number
- CN115609373A CN115609373A CN202211554178.1A CN202211554178A CN115609373A CN 115609373 A CN115609373 A CN 115609373A CN 202211554178 A CN202211554178 A CN 202211554178A CN 115609373 A CN115609373 A CN 115609373A
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- clamping
- metal roller
- base plate
- roller
- lifting
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- 238000004372 laser cladding Methods 0.000 title claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000017105 transposition Effects 0.000 claims abstract description 35
- 238000004093 laser heating Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 119
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000013016 damping Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 15
- 238000005498 polishing Methods 0.000 claims description 13
- 238000013519 translation Methods 0.000 claims description 13
- 230000008602 contraction Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 8
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Images
Classifications
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- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/16—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged
- B24B5/167—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged for rolls with large curvature radius, e.g. mill rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a laser cladding synchronous grinding process for roller repair, which belongs to the field of roller repair, and comprises a base plate, wherein the base plate is fixedly connected with a building, two extension guide rails are arranged at the bottom end of the base plate, a clamping table is arranged at the top end of each extension guide rail, an inserting square sleeve sleeved on each extension guide rail is arranged at the bottom end of each clamping table, the inserting square sleeve is slidably connected with the extension guide rails, a fixed shaft seat is arranged at the top end of the base plate, a movable shaft seat is arranged at the top end of each clamping table, two transposition guide rails are fixedly arranged at the bottom end of the base plate, two groups of transposition slide blocks are sleeved on each transposition guide rail, the transposition slide blocks are slidably connected with the transposition guide rails, a lapping table is fixedly arranged at the top end of each group of transposition slide blocks, a laser heating assembly is arranged above the base plate, and a grinding assembly is arranged on one side of the base plate.
Description
Technical Field
The invention relates to the field of roller processing, in particular to a laser cladding synchronous grinding system for roller repairing and a grinding process thereof.
Background
With the development of industrial technology, metal rollers are required to be used for metal plate processing and workpiece shaping, the metal rollers are made of solid metal materials, so that the metal rollers are heavy in weight, the metal roller processing equipment is complex in structure, the metal rollers are labor-consuming in material transferring or discharging, and the two hands of workers are difficult to stretch into the equipment with the complex structure for operation;
and the damage condition of metal roll has two kinds roughly, and the strip was appeared to the metal roll in the first condition to be exactly the metal roll, and the condition of this kind of damage can lead to metal roll deformation, and it is more troublesome to restore, appears the scratch on the metal roll in the second condition, and this kind of scratch can not lead to metal roll deformation, restores fairly simplely, and the condition of damage needs to be repaired on two kinds of maintenance facilities in these two, extravagant equipment resource.
Disclosure of Invention
The invention aims to provide a laser cladding synchronous grinding system for roller repair and a grinding process thereof, aiming at the defects of the prior art, a clamping finger cylinder delivers heated metal rollers to be placed on two bearing circular rollers, then an electric push rod drives a contraction table to slide to the lower part of a lifting sheet, then a hydraulic press drives the lifting sheet to slide downwards until the grinding roller is attached to the top surface of the metal roller, a grinding motor drives the grinding roller and the metal roller to rotate, the two bearing circular rollers rotate in a driven manner, the cracked metal roller can be reshaped, sundries on the metal roller can be dropped and crushed, and the scratched or cracked metal roller can be repaired by the equipment, so that the automatic processing effect is realized, and the equipment resources are saved.
In order to solve the above problems, the present invention provides the following technical solutions: the utility model provides a roller is system of polishing in step of laser cladding for restoration, includes the base plate, base plate and building fixed connection, and the bottom of base plate is provided with two extension guide rails, the top of extension guide rail is provided with clamping platform, and the bottom of clamping platform is provided with the square cover of interlude of suit on extension guide rail, and interlude square cover and extension guide rail sliding connection, the top of base plate is provided with fixed axle bed, and the top of clamping platform is provided with movable axle bed, the bottom fixed mounting of base plate has two transposition guide rails, and the cover is equipped with two sets of transposition sliders on the transposition guide rail, transposition slider and transposition guide rail sliding connection, every group the top fixed mounting of transposition slider has the platform of putting up, the top of base plate is provided with laser heating element, and one side of base plate is provided with the subassembly of polishing.
Furthermore, the lateral walls of the fixed shaft seat and the movable shaft seat are respectively provided with a damping bearing, the outer side wall of each damping bearing is fixedly connected with the lateral walls of the fixed shaft seat and the movable shaft seat, an inserting column is fixedly arranged in the inner ring of each damping bearing, one end of each inserting column is provided with a clamping piece, a rubber ring is arranged on the lateral wall of each clamping piece, the other side of each inserting column is provided with two damping balls, and a metal roller is clamped between the two rubber rings.
Furthermore, pull rings are arranged at the bottom ends of the base platform plate and the clamping platform, the pull rings are connected through a traction spring, hooks matched with the pull rings are arranged at two ends of the traction spring, an inclined sheet is arranged on the side wall of one of the alternating square sleeves, a bending support is arranged on the side wall of one of the transposition sliding blocks, and a collision ball head is arranged at the end of the bending support.
Further, the bottom end of the base platform plate is provided with a carrying wafer, a folding motor is fixedly mounted at the bottom end of the carrying wafer, a notch frame is mounted at the output end of the folding motor, the central lines of notches at two ends of the notch frame are not on the same straight line, and the bottom end of the carrying platform is provided with a propelling round rod inserted into the inner side of the notch frame and connected with the notch frame in a sliding mode.
Further, the top fixed mounting of lapping platform has two translation axle beds, and the centre of translation axle bed is provided with the torque plate, and the both ends of torque plate are provided with the round bar that alternates at the translation axle bed inboard, are provided with step motor on the lateral wall of one of them translation axle bed, and step motor's output passes the round bar of torque plate end, and fixed mounting has the clamp to indicate the cylinder on the lateral wall of torque plate, is provided with two curved supporting rods on the output of clamp to indicate the cylinder.
Further, the laser heating subassembly includes the hoist and mount square frame, and the both ends of hoist and mount square frame are provided with the fixed block, and the fixed block passes through mounting flange and building fixed connection, and the cover is equipped with the delivery side cover on the hoist and mount square frame, delivery side cover and hoist and mount square frame sliding connection, and the centre of delivery side cover is provided with central plate, installs the laser machine on the central plate, the bottom of central plate is provided with the threaded rod, fixed mounting on the central plate have with threaded rod assorted nut piece, the threaded rod is installed on servo motor's output, servo motor fixed mounting is at the lateral wall of fixed block.
Furthermore, the bottom of delivery side's cover is provided with two cantilever beam poles, and the end of cantilever beam pole is provided with the slope end, and one of them slope end slope is upwards, and another slope end slope is downwards.
Furthermore, the polishing assembly comprises a transmission table, a transmission groove is formed in the top end of the transmission table, a contraction table is inserted into the inner side of the transmission groove and is connected with the transmission groove in a sliding mode, two groups of movable flanges are arranged on the top end of the contraction table, a rotatable bearing circular roller is arranged in the middle of each movable flange, fixed flanges are arranged on the side walls of the transmission table, electric push rods are arranged on the side walls of the fixed flanges, and the output ends of the electric push rods penetrate through the fixed flanges and are fixedly connected with the side walls of the contraction table.
Further, be provided with two lift guide arms on the lateral wall of transmission platform, the centre of lift guide arm is provided with the lift piece, and four turnings of lift piece are provided with the lift square sheath of suit on the lift guide arm, lift square sheath and lift guide arm sliding connection, the top of lift guide arm is provided with the layer board, and the top fixed mounting of layer board has the hydraulic press, and the top surface fixed connection of layer board and lift piece is passed to the output of hydraulic press, be provided with on the lift piece and load the turn-ups, be provided with grinding motor on loading the turn-ups lateral wall, be provided with the grinding roller on grinding motor's the output.
A grinding process of a laser cladding synchronous grinding system for roller repair comprises the following steps:
s1, a metal roller to be processed is placed into a curve clamping rod at the output end of one of the clamping finger cylinders, then the clamping finger cylinders lock the metal roller, the metal roller is connected with the clamping finger cylinders and a torsion plate into a whole, the two stepping motors drive the torsion plate to turn back and forth by one hundred and eighty degrees, then the folding motor drives a notch frame to turn back, the notch frame drives two carrying tables to slide along a transposition guide rail through two pushing round rods, the two carrying tables slide towards the base plate, the sliding of the carrying tables is symmetrical, one of the clamping finger cylinders delivers to a processing position, and the other clamping finger cylinder discharges from a processing station;
s2, the clamping table is pulled by a traction spring to apply pressure to the base plate, then two clamping sheets apply pressure to the middle to lock two side walls of the metal roller, the rubber ring can increase the contact area with the end of the metal roller, when the collision ball head collides with the inclined sheet, the clamping table can move for a small distance along the extension guide rail, the metal roller between the rubber rings can fall into a curve clamping rod at the output end of the clamping finger cylinder, when the metal roller is delivered, the metal roller in the clamping finger cylinder can be locked by the rubber ring when the collision ball head is separated from the inclined sheet, and then the clamping finger cylinder is withdrawn;
s3, a servo motor drives a central plate to slide along a hoisting square frame through a threaded rod, a laser machine can also move back and forth along with the central plate at the moment, when the central plate slides to the end of the hoisting square frame, an inclined end can respectively drive a damping ball to twist by a certain angle, when the servo motor returns, a clamping sheet and a metal roller can also twist by a certain angle, the running track of the laser machine on the surface of the metal roller is in a notch shape, and the area of a linear crack on the metal roller can be heated to be red;
s4, the clamping finger cylinder delivers the heated metal roller to be placed on two bearing circular rollers, then the electric push rod drives the contraction table to slide to the position below the lifting sheet, then the hydraulic press drives the lifting sheet to slide downwards until the grinding roller is attached to the top surface of the metal roller, the grinding motor drives the grinding roller and the metal roller to rotate, the two bearing circular rollers rotate in a driven mode, the cracked metal roller can be reshaped, and impurities on the metal roller can be crushed and fall off.
The invention has the beneficial effects that:
firstly, a clamping finger cylinder delivers a heated metal roller to be placed on two bearing circular rollers, then an electric push rod drives a contraction table to slide to the lower side of a lifting sheet, then a hydraulic press drives the lifting sheet to slide downwards until the grinding roller is attached to the top surface of the metal roller, a grinding motor drives the grinding roller and the metal roller to rotate, the two bearing circular rollers rotate in a driven mode, the metal roller with cracks can be reshaped, sundries on the metal roller can be crushed and fall off, and the metal roller with the scratches or cracks can be repaired by the device, so that the automatic machining effect is achieved, and the device resources are saved.
Secondly, a metal roller to be processed is placed into a curve clamping rod at the output end of one of the clamping finger cylinders, then the clamping finger cylinders lock the metal roller, the metal roller is integrated with the clamping finger cylinders and the torsion plate, the two stepping motors drive the torsion plate to turn back and forth by one hundred eighty degrees, then the folding motor drives the notch frame to turn back, the notch frame drives the two carrying tables to slide along the transposition guide rail through the two pushing round rods, the two carrying tables slide towards the base plate, the sliding of the carrying tables is symmetrical, one of the clamping finger cylinders delivers to a processing position, the other clamping finger cylinder discharges from the processing position, the effect of convenient delivery is achieved, and the manual delivery of workpieces is avoided.
Thirdly, the clamping platform draws the clamping platform through traction spring and applys pressure towards the base station board, and then two clamping pieces are toward middle two lateral walls of applying pressure locking metal roll, the rubber ring can increase the area of contact with the metal roll end, when the conflict bulb contradicts the hang plate, the clamping platform can remove a segment distance along extending guide rail, metal roll between the rubber ring can drop in the curve clamping bar that the clamp indicates the cylinder output, when delivering metal roll, when the conflict bulb breaks away from the hang plate, the metal roll that the clamp indicates in the cylinder can be locked by the rubber ring, then the clamp indicates the cylinder to withdraw, the effect of automatic locking has been realized.
Fourth, servo motor passes through threaded rod drive center plate and slides along the hoist and mount square frame, laser machine this moment also can be along with center plate reciprocating motion, when the center plate slides hoist and mount square frame end, the slope end can drive the damping ball respectively and twist reverse certain angle, servo motor returns when journey, clamping piece and metal roll also will twist reverse certain angle, the moving trajectory of laser machine on the surface of metal roll is the notch shape, the region of linear crack can be heated to leading to red on the metal roll, it is convenient for subsequent moulding processing to provide.
Drawings
Fig. 1 is a schematic front view of a laser cladding synchronous grinding system for roller repair.
Fig. 2 is a schematic side view of a laser cladding synchronous grinding system for roller repair.
Fig. 3 is a schematic sectional view of a laser cladding synchronous grinding system for roller repair.
Fig. 4 is a schematic view of the laser cladding synchronous polishing system for repairing the roller from the bottom.
Fig. 5 is a schematic diagram of a base plate of a laser cladding synchronous grinding system for roller repair.
Fig. 6 is a schematic view of a clamping sheet of the laser cladding synchronous grinding system for repairing a roller.
Fig. 7 is a schematic view of a base plate of the laser cladding synchronous polishing system for repairing a roller.
Fig. 8 is a schematic view of a laser heating assembly of the laser cladding synchronous grinding system for roller repair.
Fig. 9 is a schematic view of a polishing assembly of the laser cladding synchronous polishing system for roller repair.
Description of the reference numerals:
the device comprises a base plate 1, a fixed shaft seat 101, a folding motor 102, a notch frame 103, a carrying wafer 104, a clamping table 2, a movable shaft seat 201, an inserting square sleeve 202, a rubber ring 203, a damping bearing 204, a clamping sheet 205, an inserting column 206, a damping ball 207, a pull ring 208, a traction spring 209, an extension guide rail 3, an inclined sheet 4, a transposition guide rail 5, a transposition slide block 6, a carrying table 7, a translation shaft seat 701, a torsion plate 702, a clamping finger cylinder 703, a stepping motor 704, a pushing round rod 705, a bending bracket 8, an abutting ball head 801, a laser heating assembly 9, a hoisting square frame 901, a carrying square sleeve 902, a central plate 903, a fixed block 904, a mounting flange 905, a laser machine 906, a servo motor 907, a threaded rod 908, a nut block 909, a cantilever beam 910, an inclined end 911, a grinding assembly 10, a transmission table 1001, a transmission groove 1002, a contraction table 1003, a movable flanging 1004, a bearing round roller 1005, a fixed round roller 1006, an electric push rod 1007, a lifting guide rod 1009, a lifting sheet 1009, a lifting square sleeve 1010, a lifting sheet 1013, a grinding roller 1013, a metal flanging hydraulic press 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, a laser cladding synchronous polishing system for roller repair is provided, which includes a base plate 1, the base plate 1 is fixedly connected with a building, the bottom end of the base plate 1 is provided with two extension guide rails 3, the top end of each extension guide rail 3 is provided with a clamping table 2, the bottom end of each clamping table 2 is provided with an insertion square sleeve 202 sleeved on each extension guide rail 3, the insertion square sleeve 202 is slidably connected with the extension guide rails 3, the top end of the base plate 1 is provided with a fixed shaft seat 101, the top end of each clamping table 2 is provided with a movable shaft seat 201, the bottom end of the base plate 1 is fixedly provided with two transposition guide rails 5, the transposition guide rails 5 are sleeved with two groups of transposition slide blocks 6, the transposition slide blocks 6 are slidably connected with the transposition guide rails 5, the top end of each group of transposition slide blocks 6 is fixedly provided with a lapping table 7, the upper side of the base plate 1 is provided with a laser heating assembly 9, and one side of the base plate 1 is provided with a polishing assembly 10.
All be provided with damping bearing 204 on the lateral wall of fixed axle bed 101 and activity axle bed 201, damping bearing 204's lateral wall and the lateral wall fixed connection of fixed axle bed 101 and activity axle bed 201, fixed mounting has interlude post 206 in damping bearing 204's the inner ring, the one end of interlude post 206 is provided with clamping piece 205, and be provided with rubber ring 203 on clamping piece 205's the lateral wall, the opposite side of interlude post 206 is provided with two damping balls 207, and the centre clamping of two rubber rings 203 has metal roll 11, two clamping piece 205 toward two lateral walls of centre application pressure locking metal roll 11, rubber ring can 203 increase with the area of contact of metal roll 11 end, prevent that metal roll 11 from droing.
The bottom of base plate 1 and clamping platform 2 all is provided with pull ring 208, connect through traction spring 209 between the pull ring 208, traction spring 209's both ends are provided with and pull ring 208 assorted couple, be provided with inclined sheet 4 on one of them side wall that alternates square sleeve 202, be provided with folding bracket 8 on one of them transposition slider 6's the lateral wall, folding bracket 8's end is provided with conflict bulb 801, clamping platform 3 pulls clamping platform through traction spring 209 and applys pressure towards base plate 1, when conflict bulb 801 conflicts to inclined sheet 4, clamping platform 2 can remove a segment distance along extension guide rail 3, metal roll 11 between the rubber ring 203 can drop, when conflict bulb 801 breaks away from inclined sheet 4, metal roll 11 can be locked by rubber ring 203, the removal of inclined sheet 4 is very little.
The bottom end of the base plate 1 is provided with a carrying wafer 104, the bottom end of the carrying wafer 104 is fixedly provided with a folding motor 102, the output end of the folding motor 102 is provided with a notch frame 103, the central lines of notches at two ends of the notch frame 103 are not on the same straight line, the bottom end of the carrying table 7 is provided with a pushing round rod 705 penetrating through the inner side of the notch frame 103, the pushing round rod 705 is connected with the notch frame 103 in a sliding mode, the folding motor 102 drives the notch frame 103 to twist, the notch frame 103 drives the two carrying tables 7 to slide along the transposition guide rail 5 through the two pushing round rods 705, and the two carrying tables 7 slide towards the base plate 1 in a folding mode.
The top end of the carrying platform 7 is fixedly provided with two translation shaft seats 701, a torsion plate 702 is arranged in the middle of the translation shaft seats 701, two ends of the torsion plate 702 are provided with round rods penetrating into the inner sides of the translation shaft seats 701, the side wall of one of the translation shaft seats 701 is provided with a stepping motor 704, the output end of the stepping motor 704 penetrates through the round rod at the end of the torsion plate 702, the side wall of the torsion plate 702 is fixedly provided with a clamping finger cylinder 703, the output end of the clamping finger cylinder 703 is provided with two arc-shaped clamping rods, the sliding of the carrying platform 7 is symmetrical, and when the clamping sheet 205 clamps or loosens the metal roller 11, the metal roller 11 is arranged in the curve clamping rods at the output ends of the two clamping finger cylinders 703.
The laser heating component 9 comprises a hoisting square frame 901, fixing blocks 904 are arranged at two ends of the hoisting square frame 901, the fixing blocks 904 are fixedly connected with a building through mounting flanges 905, a carrying square sleeve 902 is sleeved on the hoisting square frame 901, the carrying square sleeve 902 is in sliding connection with the hoisting square frame 901, a central plate 903 is arranged in the middle of the carrying square sleeve 902, a laser machine 906 is installed on the central plate 903, a threaded rod 908 is arranged at the bottom end of the central plate 903, a nut block 909 matched with the threaded rod 908 is fixedly installed on the central plate 903, the threaded rod 908 is installed at the output end of a servo motor 907, the servo motor 907 is fixedly installed on the side wall of the fixing block 904, and the servo motor 907 drives the central plate 903 to slide along the hoisting square frame 901 through the threaded rod 908.
The bottom end of the carrying square sleeve 902 is provided with two cantilever rods 910, the ends of the cantilever rods 910 are provided with inclined ends 911, one inclined end 911 inclines upwards, the other inclined end 911 inclines downwards, the laser machine 906 can reciprocate along with the central plate 903 at the moment, when the central plate 903 slides to the end of the hoisting block 901, the inclined ends 911 can respectively drive the damping ball 206 to twist for a certain angle, when the servo motor 907 returns, the clamping sheet 205 and the metal roller 11 can twist for a certain angle, the running track of the laser machine 906 on the surface of the metal roller 11 is in a notch shape, and the linear crack area on the metal roller 11 can be heated to be red.
The polishing assembly 10 comprises a transmission table 1001, a transmission groove 1002 is formed in the top end of the transmission table 1001, a shrinkage table 1003 is inserted into the inner side of the transmission groove 1002 in an alternate mode, the shrinkage table 1003 is in sliding connection with the transmission groove 1002, two groups of movable turnups 1004 are arranged on the top end of the shrinkage table 1003, rotatable bearing round rollers 1005 are arranged in the middle of each group of movable turnups 1004, fixed turnups 1006 are arranged on the side walls of the transmission table 1001, electric push rods 1007 are arranged on the side walls of the fixed turnups 1006, the output ends of the electric push rods 1007 penetrate through the fixed turnups 1006 and the side walls of the shrinkage table 1003 to be fixedly connected, and heated metal rollers 11 are delivered out by a clamping finger cylinder 703 to be placed on the two bearing round rollers 1005.
Two lifting guide rods 1008 are arranged on the side wall of the transmission platform 1001, a lifting sheet 1009 is arranged in the middle of the lifting guide rods 1008, lifting square sleeves 1010 sleeved on the lifting guide rods 1008 are arranged at four corners of the lifting sheet 1009, the lifting square sleeves 1010 are connected with the lifting guide rods 1008 in a sliding mode, a supporting plate 1011 is arranged at the top end of the lifting guide rods 1008, a hydraulic machine 1012 is fixedly installed at the top end of the supporting plate 1011, the output end of the hydraulic machine 1012 penetrates through the top surfaces of the supporting plate 1011 and the lifting sheet 1009 to be fixedly connected, filling flanging is arranged on the lifting sheet 1009, a grinding motor 1013 is arranged on the side wall of the filling flanging, a grinding roller 1014 is arranged at the output end of the grinding motor 1013, an electric push rod 1007 drives a contraction platform 1003 to slide to the lower side of the lifting sheet 1009, the hydraulic machine 1012 drives the lifting sheet 1009 to slide downwards until the grinding roller 1014 is attached to the top surface of the metal roller 11, the grinding motor 1013 drives the grinding roller 1014 and the metal roller 11 to rotate, the rotation of the two bearing circular rollers 1005 are driven, the metal roller 11 with cracks, the metal roller 11 can be reshaped, and impurities on the metal roller 11 can be crushed and the crack or cracked can be repaired by the repairing device, so that the automatic processing effect is achieved.
A grinding process of a laser cladding synchronous grinding system for roller repair comprises the following steps:
s1, a metal roller 11 to be processed is placed into a curve clamping rod at the output end of one of the clamping finger cylinders 703, then the clamping finger cylinder 703 locks the metal roller 11, the metal roller 11 is integrated with the clamping finger cylinder 703 and a torsion plate 702, two stepping motors 704 drive the torsion plate 702 to turn back and forth by one hundred and eighty degrees, further a folding motor 102 drives a notch frame 103 to turn back, the notch frame 103 drives two carrying tables 7 to slide along a transposition guide rail 5 through two pushing circular rods 705, the two carrying tables 7 fold and slide towards a base plate 1, the sliding of the carrying tables 7 is symmetrical, one of the clamping finger cylinders 703 delivers to a processing position, and the other clamping finger cylinder 703 delivers from the processing position;
s2, the clamping table 2 pulls the clamping table 2 to apply pressure to the base plate 1 through the pulling spring 209, then the two clamping sheets 205 apply pressure to the middle to lock the two side walls of the metal roller 11, the rubber ring 203 can increase the contact area with the end of the metal roller 11, when the abutting ball head 801 abuts against the inclined sheet 4, the clamping table 2 can move a small distance along the extension guide rail 3, the metal roller 11 between the rubber rings 203 can fall into a curve clamping rod at the output end of the clamping finger cylinder 703, when the metal roller 11 is delivered, and the abutting ball head 801 is separated from the inclined sheet 4, the metal roller 11 in the clamping finger cylinder 703 can be locked by the rubber ring 203, and then the clamping finger cylinder 703 is withdrawn;
s3, a servo motor 907 drives a central plate 903 to slide along a hoisting frame 901 through a threaded rod 908, at the moment, a laser machine 906 can also reciprocate along the central plate 903, when the central plate 903 slides to the end of the hoisting frame 901, an inclined end 911 can respectively drive a damping ball 207 to twist by a certain angle, when the servo motor 907 returns, a clamping sheet 205 and a metal roller 11 can also twist by a certain angle, the running track of the laser machine 906 on the surface of the metal roller 11 is in a notch shape, and the area of a linear crack on the metal roller 11 can be heated to be red;
s4, the heated metal roller 11 is delivered out by the clamping finger cylinder 703 and placed on two bearing circular rollers 1005, then the electric push rod 1007 drives the contraction table 1003 to slide below the lifting sheet 1009, then the hydraulic press 1012 drives the lifting sheet 1009 to slide downwards until the grinding roller 1014 is attached to the top surface of the metal roller 11, the grinding motor 1013 drives the grinding roller 1014 and the metal roller 11 to rotate, the rotation of the two bearing circular rollers 1005 is driven, the cracked metal roller 11 can be reshaped, and impurities on the metal roller 11 can be crushed and fall off.
Finally, two clamping sheets 205 apply pressure to the middle to lock two side walls of the metal roller 11, the rubber ring 203 increases the contact area with the end of the metal roller 11, so as to prevent the metal roller 11 from falling off, the clamping table 3 pulls the clamping table to apply pressure towards the base plate 1 through a traction spring 209, when the abutting ball head 801 abuts against the inclined sheet 4, the clamping table 2 moves a short distance along the extension guide rail 3, the metal roller 11 between the rubber rings 203 falls off, when the abutting ball head 801 is separated from the inclined sheet 4, the metal roller 11 is locked by the rubber ring 203, the inclined sheet 4 moves very slightly, the folding motor 102 drives the notch frame 103 to twist, the notch frame 103 drives the two folding tables 7 to slide along the transposition guide rail 5 through two pushing round rods 705, the two folding tables 7 slide towards the base plate 1, the sliding of the folding tables 7 are symmetrical to each other, when the clamping sheets 205 clamp or loosen the metal roller 11, the metal roller 11 is arranged in a curve clamping rod at the output end of two clamping finger cylinders 703, a servo motor 907 drives a central plate 903 to slide along a hoisting frame 901 through a threaded rod 908, at the moment, a laser 906 can also reciprocate along with the central plate 903, when the central plate 903 slides to the end of the hoisting frame 901, an inclined end 911 can respectively drive a damping ball 206 to twist a certain angle, when the servo motor 907 returns, a clamping sheet 205 and the metal roller 11 can also twist a certain angle, the running track of the laser 906 on the surface of the metal roller 11 is in a notch shape, the area of a linear crack on the metal roller 11 can be heated to be red, the clamping finger cylinders 703 deliver the heated metal roller 11 to two bearing circular rollers 1005, and then an electric push rod 1007 drives a contraction table 1003 to slide to the lower part of a lifting sheet, then the hydraulic machine 1012 drives the lifting sheet 1009 to slide downwards until the grinding roller 1014 is attached to the top surface of the metal roller 11, the grinding motor 1013 drives the grinding roller 1014 and the metal roller 11 to rotate, the rotation of the two bearing circular rollers 1005 is driven, the cracked metal roller 11 can be reshaped, and the sundries on the metal roller 11 can be crushed and fall off, and the scratched or cracked metal roller can be repaired by the device, thereby realizing the effect of automatic processing.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (5)
1. The utility model provides a roll restoration is with laser cladding system of polishing in step which characterized in that: the base plate comprises a base plate (1), the base plate (1) is fixedly connected with a building, two extension guide rails (3) are arranged at the bottom end of the base plate (1), a clamping table (2) is arranged at the top end of each extension guide rail (3), an inserting square sleeve (202) sleeved on each extension guide rail (3) is arranged at the bottom end of each clamping table (2), each inserting square sleeve (202) is slidably connected with each extension guide rail (3), a fixed shaft seat (101) is arranged at the top end of the base plate (1), a movable shaft seat (201) is arranged at the top end of each clamping table (2), two transposition guide rails (5) are fixedly arranged at the bottom end of the base plate (1), two transposition slide blocks (6) are sleeved on each transposition guide rail (5), each transposition slide block (6) is slidably connected with each transposition guide rail (5), a lapping table (7) is fixedly arranged at the top end of each transposition slide block (6), a laser heating assembly (9) is arranged above the base plate (1), and a polishing assembly (10) is arranged on one side of the base plate (1);
damping bearings (204) are arranged on the side walls of the fixed shaft seat (101) and the movable shaft seat (201), the outer side walls of the damping bearings (204) are fixedly connected with the side walls of the fixed shaft seat (101) and the movable shaft seat (201), a penetrating column (206) is fixedly installed in the inner ring of the damping bearings (204), one end of the penetrating column (206) is provided with a clamping piece (205), a rubber ring (203) is arranged on the side wall of the clamping piece (205), the other side of the penetrating column (206) is provided with two damping balls (207), and a metal roller (11) is clamped between the two rubber rings (203);
the laser heating assembly (9) comprises a hoisting square frame (901), fixing blocks (904) are arranged at two ends of the hoisting square frame (901), the fixing blocks (904) are fixedly connected with a building through mounting flanges (905), a carrying square sleeve (902) is sleeved on the hoisting square frame (901), the carrying square sleeve (902) is slidably connected with the hoisting square frame (901), a central plate (903) is arranged in the middle of the carrying square sleeve (902), a laser machine (906) is mounted on the central plate (903), a threaded rod (908) is arranged at the bottom end of the central plate (903), a nut block (909) matched with the threaded rod (908) is fixedly mounted on the central plate (903), the threaded rod (908) is mounted at the output end of a servo motor (907), and the servo motor (907) is fixedly mounted on the side wall of the fixing blocks (904);
the bottom end of the carrying square sleeve (902) is provided with two cantilever rods (910), the ends of the cantilever rods (910) are provided with inclined ends (911), one inclined end (911) inclines upwards, and the other inclined end (911) inclines downwards;
pull rings (208) are arranged at the bottom ends of the base plate (1) and the clamping platform (2), the pull rings (208) are connected through a traction spring (209), hooks matched with the pull rings (208) are arranged at two ends of the traction spring (209), an inclined sheet (4) is arranged on the side wall of one of the inserting square sleeves (202), a bending support (8) is arranged on the side wall of one of the transposition slide blocks (6), and a collision ball head (801) is arranged at the end head of the bending support (8);
the base plate is characterized in that a carrying wafer (104) is arranged at the bottom end of the base plate (1), a folding motor (102) is fixedly mounted at the bottom end of the carrying wafer (104), a notch frame (103) is mounted at the output end of the folding motor (102), the central lines of notches at two ends of the notch frame (103) are not on the same straight line, a pushing round rod (705) penetrating through the inner side of the notch frame (103) is arranged at the bottom end of the carrying platform (7), and the pushing round rod (705) is connected with the notch frame (103) in a sliding mode.
2. The laser cladding synchronous grinding system for repairing the roller as claimed in claim 1, wherein the laser cladding synchronous grinding system comprises: the top end of the carrying platform (7) is fixedly provided with two translation shaft seats (701), a torsion plate (702) is arranged in the middle of each translation shaft seat (701), round rods penetrating into the inner sides of the translation shaft seats (701) are arranged at two ends of each torsion plate (702), a stepping motor (704) is arranged on the side wall of one translation shaft seat (701), the output end of the stepping motor (704) penetrates through the round rods at the end of each torsion plate (702), a clamping finger cylinder (703) is fixedly arranged on the side wall of each torsion plate (702), and two arc-shaped clamping rods are arranged at the output end of each clamping finger cylinder (703).
3. The laser cladding synchronous grinding system for repairing the roller as claimed in claim 2, wherein the laser cladding synchronous grinding system comprises: the polishing assembly (10) comprises a transmission table (1001), a transmission groove (1002) is formed in the top end of the transmission table (1001), a shrinkage table (1003) is inserted into the inner side of the transmission groove (1002), the shrinkage table (1003) is in sliding connection with the transmission groove (1002), two groups of movable flanging (1004) are arranged on the top end of the shrinkage table (1003), a rotatable bearing round roller (1005) is arranged in the middle of each group of movable flanging (1004), a fixed flanging (1006) is arranged on the side wall of the transmission table (1001), an electric push rod (1007) is arranged on the side wall of the fixed flanging (1006), and the output end of the electric push rod (1007) penetrates through the side wall fixed connection of the fixed flanging (1006) and the shrinkage table (1003).
4. The laser cladding synchronous grinding system for repairing the roller as claimed in claim 3, wherein the laser cladding synchronous grinding system comprises: the side wall of the transmission table (1001) is provided with two lifting guide rods (1008), the middle of each lifting guide rod (1008) is provided with a lifting piece (1009), four corners of each lifting piece (1009) are provided with lifting square sleeves (1010) sleeved on the lifting guide rods (1008), the lifting square sleeves (1010) are in sliding connection with the lifting guide rods (1008), the top ends of the lifting guide rods (1008) are provided with support plates (1011), the top ends of the support plates (1011) are fixedly provided with hydraulic machines (1012), the output ends of the hydraulic machines (1012) penetrate through the top surfaces of the support plates (1011) and the lifting pieces (1009) and are fixedly connected, the lifting pieces (1009) are provided with filling flanges, grinding motors (1013) are arranged on the side walls of the filling flanges, and grinding rollers (1014) are arranged at the output ends of the grinding motors (1013).
5. The grinding process of the laser cladding synchronous grinding system for repairing the roller according to claim 4, characterized by comprising the following steps:
the method comprises the following steps:
s1, a metal roller (11) to be processed is placed into a curved clamping rod at the output end of one of the finger clamping cylinders (703), then the finger clamping cylinder (703) locks the metal roller (11), the metal roller (11) is integrated with the finger clamping cylinder (703) and a torsion plate (702), two stepping motors (704) drive the torsion plate (702) to turn back and forth by one hundred eighty degrees, a folding motor (102) drives a notch frame (103) to turn back, the notch frame (103) drives two carrying platforms (7) to slide along a transposition guide rail (5) through two pushing round rods (705), the two carrying platforms (7) fold and slide towards a base plate (1), the sliding of the carrying platforms (7) are symmetrical, one of the finger clamping cylinders (703) is delivered to a processing position, and the other finger clamping cylinder (703) is discharged from the processing position;
s2, the clamping table (2) pulls the clamping table (2) to apply pressure to the base plate (1) through a pulling spring (209), then two clamping sheets (205) apply pressure to the middle to lock two side walls of the metal roller (11), the rubber ring (203) can increase the contact area with the end of the metal roller (11), when the abutting ball head (801) abuts against the inclined sheet (4), the clamping table (2) can move for a short distance along the extension guide rail (3), the metal roller (11) between the rubber rings (203) can fall into a clamping rod at the output end of the clamping finger cylinder (703), when the metal roller (11) is delivered, and when the abutting ball head (801) is separated from the inclined sheet (4), the metal roller (11) in the clamping finger cylinder (703) can be locked by the rubber ring (203), and then the clamping finger cylinder (703) is withdrawn;
s3, a servo motor (907) drives a central plate (903) to slide along a hoisting frame (901) through a threaded rod (908), at the moment, a laser machine (906) can also reciprocate along with the central plate (903), when the central plate (903) slides to the end of the hoisting frame (901), an inclined end (911) can respectively drive a damping ball (207) to twist by a certain angle, when the servo motor (907) returns, a clamping sheet (205) and a metal roller (11) can twist by a certain angle, the running track of the laser machine (906) on the surface of the metal roller (11) is in a notch shape, and the area of a linear crack on the metal roller (11) can be heated to be red;
s4, the heated metal roller (11) is delivered out by the clamping finger cylinder (703) and placed on two bearing circular rollers (1005), then the electric push rod (1007) drives the contraction table (1003) to slide to the position below the lifting sheet (1009), then the hydraulic press (1012) drives the lifting sheet (1009) to slide downwards until the grinding roller (1014) is attached to the top surface of the metal roller (11), the grinding motor (1013) drives the grinding roller (1014) and the metal roller (11) to rotate, the rotation of the two bearing circular rollers (1005) is driven, the cracked metal roller (11) can be reshaped, and impurities on the metal roller (11) can be crushed and fall off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211554178.1A CN115609373A (en) | 2021-09-06 | 2021-09-06 | Laser cladding synchronous grinding process for roller repair |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211554178.1A CN115609373A (en) | 2021-09-06 | 2021-09-06 | Laser cladding synchronous grinding process for roller repair |
| CN202111038661.XA CN113787391B (en) | 2021-09-06 | 2021-09-06 | Laser cladding synchronous grinding system for roller repair and grinding process thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111038661.XA Division CN113787391B (en) | 2021-09-06 | 2021-09-06 | Laser cladding synchronous grinding system for roller repair and grinding process thereof |
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| CN115609373A true CN115609373A (en) | 2023-01-17 |
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| CN202111038661.XA Active CN113787391B (en) | 2021-09-06 | 2021-09-06 | Laser cladding synchronous grinding system for roller repair and grinding process thereof |
| CN202211554178.1A Withdrawn CN115609373A (en) | 2021-09-06 | 2021-09-06 | Laser cladding synchronous grinding process for roller repair |
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| CN202111038661.XA Active CN113787391B (en) | 2021-09-06 | 2021-09-06 | Laser cladding synchronous grinding system for roller repair and grinding process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116944799A (en) * | 2023-08-02 | 2023-10-27 | 江苏锦航机械制造有限公司 | Repairing device based on steel roller and using method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669603B (en) * | 2022-04-06 | 2023-03-10 | 一重集团常州市华冶轧辊股份有限公司 | Roller surface defect detection and repair system and working method thereof |
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| JP2766982B2 (en) * | 1987-07-24 | 1998-06-18 | 大同特殊鋼株式会社 | Repair method for grooved roll of rolling mill and grooved roll cutting device |
| CN105345548A (en) * | 2015-11-27 | 2016-02-24 | 新昌县红利机械有限公司 | Automatic fixture |
| CN105479220B (en) * | 2015-12-15 | 2018-07-06 | 芜湖普威技研有限公司 | A kind of foot pedal inner sleeve chamfering workbench |
| CN207564190U (en) * | 2017-11-24 | 2018-07-03 | 重庆华中数控技术有限公司 | A kind of fixture turnover device |
| CN210024789U (en) * | 2019-05-05 | 2020-02-07 | 河南朗迪叶轮机械有限公司 | Fixing clamp for polishing middle section of cross-flow fan blade of air conditioner |
| CN211497788U (en) * | 2019-11-26 | 2020-09-15 | 哈尔滨科能熔敷科技有限公司 | Automatic change pipe and melt and apply and grinding device |
| CN111136478A (en) * | 2020-01-03 | 2020-05-12 | 江苏理工学院 | Clamping mechanism for multi-workpiece machining and using method thereof |
| CN213889290U (en) * | 2020-11-04 | 2021-08-06 | 杭州双擎动力设备有限公司 | Hardware is polished and is used locating support |
| CN113020999B (en) * | 2021-03-11 | 2022-08-16 | 山东精锐电器有限公司 | Metal sheet machining mechanism for power distribution cabinet |
| CN113246184B (en) * | 2021-04-07 | 2022-09-16 | 温州万润机械有限公司 | Discharge edge cutting device for film coating production |
| CN113199572A (en) * | 2021-05-19 | 2021-08-03 | 李言 | Pressing mechanism of plywood |
| CN113306199A (en) * | 2021-06-15 | 2021-08-27 | 浙江新德宝机械有限公司 | Cup bottom knurling device of paper cup machine |
| CN113290186B (en) * | 2021-06-15 | 2022-06-10 | 温州嘉信机械制造有限公司 | Cold header |
| CN113263412B (en) * | 2021-07-12 | 2022-04-08 | 南通莱欧电子科技有限公司 | Machine tool equipment for polishing bearing square blocks |
| CN113245592B (en) * | 2021-07-14 | 2021-09-10 | 南通莱欧电子科技有限公司 | Equipment for producing and drilling bearing plate |
-
2021
- 2021-09-06 CN CN202111038661.XA patent/CN113787391B/en active Active
- 2021-09-06 CN CN202211554178.1A patent/CN115609373A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116944799A (en) * | 2023-08-02 | 2023-10-27 | 江苏锦航机械制造有限公司 | Repairing device based on steel roller and using method thereof |
| CN116944799B (en) * | 2023-08-02 | 2024-04-23 | 江苏锦航机械制造有限公司 | Repairing device based on steel roller and using method thereof |
Also Published As
| Publication number | Publication date |
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| CN113787391A (en) | 2021-12-14 |
| CN113787391B (en) | 2022-12-13 |
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Application publication date: 20230117 |
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