CN111958469A - Clamping type polishing equipment for synchronously polishing inner wall and outer wall of stainless steel pipe - Google Patents
Clamping type polishing equipment for synchronously polishing inner wall and outer wall of stainless steel pipe Download PDFInfo
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- CN111958469A CN111958469A CN202010875476.5A CN202010875476A CN111958469A CN 111958469 A CN111958469 A CN 111958469A CN 202010875476 A CN202010875476 A CN 202010875476A CN 111958469 A CN111958469 A CN 111958469A
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- polishing
- wall
- stainless steel
- steel pipe
- clamping
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
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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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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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
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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
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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
- B24B5/12—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 cylindrical surfaces both externally and internally with several grinding wheels
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The invention discloses clamping type polishing equipment for synchronously polishing the inner wall and the outer wall of a stainless steel pipe, which comprises a processing table consisting of a clamping table, a polishing table and a material placing table, wherein a clamping mechanism for clamping the stainless steel pipe is arranged above the clamping table, the clamping mechanism consists of a bracket group fixed on the top surface of the clamping table and a clamping component reciprocating and linearly moving below the bracket group, an outer wall polishing mechanism and an inner wall polishing mechanism for polishing the outer wall and the inner wall of the stainless steel pipe are respectively arranged on the polishing table and the material placing table, and a pipe shifting mechanism for shifting the stainless steel pipe to move horizontally is arranged in the middle of the top surface of the material placing table. According to the invention, one end of the stainless steel pipe to be polished is fixed on the clamping component on the clamping table and then conveyed to the polishing table for polishing in a rotating and retracting manner, so that the polishing efficiency of the stainless steel pipe is improved, the stainless steel pipe is polished at one time, and the abrasion caused by secondary polishing is avoided.
Description
Technical Field
The invention relates to the technical field of stainless steel pipe processing, in particular to clamping type polishing equipment for synchronously polishing the inner wall and the outer wall of a stainless steel pipe.
Background
The stainless steel pipe is a hollow long-strip round steel material, is widely used for various industrial conveying pipelines, mechanical structure parts and the like, is also commonly used as furniture kitchenware and the like, and can be directly exposed for use without packaging because the stainless steel pipe does not rust and has hard strength and high glossiness after surface polishing. When the existing stainless steel pipe is polished, the inner wall and the outer wall are usually polished separately, so that the polished side surface is easy to damage after being touched, and the method is also not beneficial to accelerating the polishing progress of the stainless steel pipe.
Disclosure of Invention
The invention aims to provide clamping type polishing equipment for synchronously polishing the inner wall and the outer wall of a stainless steel pipe, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides clamping type polishing equipment for synchronously polishing the inner wall and the outer wall of a stainless steel pipe, which comprises a processing table, wherein the processing table sequentially comprises a clamping table, a polishing table and a material placing table from front to back, a clamping mechanism for clamping the stainless steel pipe to move horizontally is arranged above the clamping table, the clamping mechanism comprises a support group fixed on the top surface of the clamping table and a clamping assembly reciprocating linearly below the support group, the support group comprises a front support and a rear support fixed at the front end and the rear end of the top surface of the clamping table, a square guide rod is tightly embedded between the front support and the inner side surface of the top of the rear support, a forward and reverse motor is arranged on the outer side surface of the top of the front support, an output shaft of the forward and reverse motor penetrates through the front support and is coaxially connected with a conveying screw rod, the other end of the conveying screw rod is inserted into a, the clamping assembly comprises a movable plate suspended below the conveying screw rod, a rotatable rotating sleeve is arranged on the side surface of the movable plate facing the rear support, a speed reducing motor is arranged on the other side surface of the movable plate, arc-shaped clamping plates capable of stretching back and forth in a reciprocating mode are symmetrically arranged on the left side and the right side of the rotating sleeve, a rotating plate capable of rotating circularly outside the rotating sleeve is connected to the inner side surface of each clamping plate, and one end of a stainless steel pipe is sleeved between the rotating sleeve and the pair of rotating plates;
the polishing table is provided with an outer wall polishing mechanism for polishing the outer wall of the stainless steel pipe, the outer wall polishing mechanism comprises a pair of U-shaped polishing seats, bearings are embedded in the same positions of the side surfaces of two ends of the top of each polishing seat, rotating columns are inserted into the inner rings of the bearings, one ends of the rotating columns are coaxially connected with a servo motor, outer wall grinding wheels are sleeved on the outer sides of the rotating columns, limiting grooves penetrating through the left side and the right side of the polishing table are formed in the middle of the top surface of the polishing table, limiting blocks in sliding connection with the limiting grooves are arranged in the middle of the bottom surface of each polishing seat, through holes are formed in the lower half parts of the limiting blocks along the length direction of the limiting blocks, transmission screw rods are connected with the through holes in an internal thread manner, main bevel gears are tightly sleeved at the inner ends of the transmission screw rods, rotatable transmission bevel gears are fixed in the middle parts of the inner, the outer end of the dial is connected with a turntable which drives a transmission screw rod to rotate, an inner wall polishing mechanism for polishing the inner wall of the stainless steel pipe is arranged above the material placing table and comprises a liftable polishing motor arranged above the rear end of the material placing table, the output end of the polishing motor is coaxially connected with a long shaft, the outer end of the long shaft is sleeved with an inner wall grinding wheel, and the inner wall grinding wheel is positioned right above the outer wall grinding wheel;
put the top surface middle part of material platform and be provided with the pipe mechanism of dialling that is used for dialling nonrust steel pipe translation, dial pipe mechanism and include a pair of vertical pipe column of dialling of placing, dial the pipe column and be the cylinder that the middle part external diameter reduces and with the translation to put the nonrust steel pipe both sides roll connection on the material bench, dial the below of pipe column and install the saddle of taking its lift, the one end bottom surface of saddle is installed the drive and is dialled the rotatory step motor of pipe column, it is fixed with the guide a pair of slide rail of dialling the pipe column translation to put the material bench.
As a further improvement of the technical scheme, a square discharge opening is formed in the middle of the top surface of the clamping table, a storage box is placed below the discharge opening, a support table is fixed to the front end of the top surface of the clamping table, an electric cylinder is installed on the top surface of the support table, and a U-shaped pipe pushing rod is fixed to the front end of a piston rod of the electric cylinder.
As a further improvement of this technical scheme, the fore-stock be triangle frame structure and the middle part welding have with the ring muscle of gear motor coaxial line, the after-poppet is arch frame structure and bottom both ends are fixed in on the polishing platform, the top side of fly leaf seted up with the guiding hole that the guide bar was pegged graft, the side of fly leaf just is located set up under the guiding hole with carry lead screw threaded connection's screw hole.
As a further improvement of the technical scheme, a support frame in an A shape is arranged above the rotating sleeve, the top end of the support frame is connected with the guide rod in an inserting mode and can slide, an iron rod is welded between the support frame and the movable plates, support frames are welded at two ends of the bottom of the support frame, electric cylinders are also sleeved inside the support frames, and the front ends of piston rods of the electric cylinders are welded with the middle parts of the outer sides of the clamping plates.
As a further improvement of the technical scheme, an annular groove is formed in the arc center line of the inner side of the clamping plate, the cross section of the annular groove is in a T shape, a limiting strip inserted into the annular groove is arranged on the arc center line of the outer side of the rotating plate, the front end and the rear end of the rotating plate are in an annular shape and are provided with communicated through holes at equal intervals, a groove communicated with the through holes is formed in the arc surface of the outer side of the rotating plate, rollers are placed in the groove, and inserting pins are inserted into the through holes and the rollers.
As a further improvement of this technical scheme, the grinding opening has been seted up to the top surface of polishing platform and the rear that is located the spacing groove, the collecting box has been placed to the below of grinding opening, the middle part top of spacing groove is fixed with the stock guide that is the circular arc plate structure, the one end slope of stock guide to grinding opening department, the medial surface of polishing seat is fixed with gathers the flitch, the bottom of gathering the flitch is seted up rectangular mouthful and rectangular mouthful below is provided with the guide plate, the one end slope of guide plate is to grinding opening department.
As a further improvement of this technical scheme, the outer end of transmission lead screw has cup jointed the bearing and the bearing inner race has cup jointed the fixed block, the fixed block with the outer port of spacing groove is close joint, the outer terminal surface edge of calibrated scale is equidistant to be equipped with a plurality of scale strips, the inner center of carousel be equipped with square column and square column with the cooperation of pegging graft of the square hole that the outer terminal surface center of transmission lead screw was seted up, the external diameter of carousel is less than the path that a plurality of scale strips enclose, the outside edge symmetry of carousel is equipped with long sand grip.
As a further improvement of the technical scheme, the below of polishing motor is fixed with the lifter plate, the below of lifter plate is provided with fixed box, the lifter plate with the rear end both sides of fixed box are all pegged graft and are had the cylinder pole, the internal rotation of fixed box is connected with the worm, the place ahead meshing of worm has the worm wheel, it has the lift lead screw to peg graft in the centre bore of worm wheel, the top of lift lead screw with the round hole threaded connection that the preceding terminal surface of lifter plate was seted up, the front end of inner wall emery wheel bonds and has to be discoid brush, the top surface of putting the material platform just is close to polishing motor department is fixed with the support tube seat, the top of support tube seat is the circular arc structure, a plurality of square mouths have been seted up along polishing motor axis direction in the top surface of support tube seat, the internal rotation of square mouth is connected with the roller.
As a further improvement of the technical scheme, a convex column is arranged at the center of the bottom end of the shifting pipe column, an inserting column is arranged on the bottom surface of the other end of the support table, the top end of the inserting column penetrates through the upper portion of the support table and is sleeved with a driven gear, and a driving gear coaxially connected with the stepping motor is meshed with one side of the driven gear.
As a further improvement of this technical scheme, the slide rail is set up the slide rail groove that runs through its length direction on cuboid structure and the top surface central line, the slide rail groove is type of falling T structure and sliding connection has the slider, the top surface of slider be equipped with the sleeve pipe seat that the post was pegged graft, both sides seted up around the slide rail with the logical groove that the slide rail groove is linked together, long limit one side of slide rail be provided with pass logical groove and with slider threaded connection's spacing turning handle.
Compared with the prior art, the invention has the beneficial effects that:
1. in the clamping type polishing equipment for synchronously polishing the inner wall and the outer wall of the stainless steel pipe, one end of the stainless steel pipe to be polished is fixed on the clamping component on the clamping table through the arranged clamping table, and then the stainless steel pipe is conveyed to the polishing table to be polished while rotating and retreating, so that the polishing efficiency of the stainless steel pipe is improved.
2. In this centre gripping formula polishing equipment of synchronous polishing of stainless steel pipe inside and outside wall, through the polishing platform that sets up with put the material platform for the stainless steel pipe that is sent to the top is by the polishing mechanism of inside and outside wall simultaneously, guarantees that the stainless steel pipe once polishes and finishes, avoids the secondary polishing to bring wearing and tearing.
3. In this centre gripping formula polishing equipment of synchronous polishing of interior outer wall of nonrust steel pipe, through set up the tubular column of dialling at putting the material bench, can move nonrust steel pipe to dock the centre gripping subassembly smoothly, replace the manual work to move, its operation is very convenient.
Drawings
FIG. 1 is a schematic view of a stainless steel pipe clamping state structure of example 1;
FIG. 2 is a schematic view of a stainless steel pipe clamping and conveying state structure in example 1;
FIG. 3 is a schematic view of the structure of a processing table according to embodiment 1;
FIG. 4 is a schematic view of an assembly structure of the holding table and the holding mechanism according to embodiment 1;
FIG. 5 is a schematic view of the entire structure of a holding mechanism according to embodiment 1;
FIG. 6 is one of the partial structural views of the clamping assembly of embodiment 1;
FIG. 7 is a second view of the structure of a part of the clamping assembly of embodiment 1;
FIG. 8 is a schematic diagram of a structure of the clamping plate of embodiment 1;
fig. 9 is an exploded view of the rotating plate of embodiment 1;
FIG. 10 is a schematic view showing a polished state of the stainless steel pipe according to example 1;
FIG. 11 is a schematic view showing an assembled structure of the inner and outer wall polishing mechanisms according to embodiment 1;
FIG. 12 is a partially exploded view of the outer wall polishing mechanism of example 1;
FIG. 13 is a partial configuration diagram of an outer wall polishing mechanism according to example 1;
FIG. 14 is a schematic structural view of an inner wall polishing mechanism according to embodiment 1;
FIG. 15 is a partially exploded view of the pipe pulling mechanism according to embodiment 1;
fig. 16 is an exploded view of the pipe setting mechanism of embodiment 1.
The various reference numbers in the figures mean:
100. a processing table;
110. a clamping table; 111. a discharge opening; 112. a storage box;
120. a polishing table; 121. a limiting groove; 122. grinding a material port; 123. a material guide plate; 124. a collection box;
130. a material placing table;
140. a pipe pushing rod; 141. an electric cylinder; 142. a support stand;
200. a clamping mechanism;
210. a clamping assembly; 211. a movable plate; 2110. a guide hole; 2111. a threaded hole; 212. rotating the sleeve; 213. a reduction motor; 214. a support frame; 215. a support frame; 216. a clamping plate; 2160. an annular groove; 217. a rotating plate; 2170. a limiting strip; 2171. a through hole; 2172. a groove; 2173. a bolt; 2174. a roller; 2175. a rubber pad;
220. a bracket set; 221. a front bracket; 2210. a circular ring rib; 222. a rear bracket; 223. a guide bar; 224. a positive and negative rotation motor; 225. conveying a screw rod;
300. an outer wall polishing mechanism;
310. polishing the base; 3100. a limiting block; 311. turning the column; 312. a material gathering plate; 313. a fuse plate;
320. an outer wall grinding wheel; 330. a servo motor; 340. a transmission screw rod; 3400. a main bevel gear; 3401. a drive bevel gear; 341. a fixed block; 342. a dial scale; 343. a turntable;
400. an inner wall polishing mechanism;
410. polishing the motor; 411. a lifting plate; 412. a fixing box; 413. a worm; 414. a worm gear; 415. a lifting screw rod;
420. an inner wall grinding wheel; 430. a brush;
440. a pipe supporting seat; 441. square opening; 442. a roller;
500. a pipe pulling mechanism;
510. pulling the tubular column; 511. a convex column;
520. a saddle; 521. inserting a column; 522. a driven gear; 523. a stepping motor; 524. a driving gear;
530. a cannula holder; 531. a slider; 532. a limiting rotating handle;
540. a slide rail; 541. a slide rail groove; 542. a through groove;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 16, the present invention provides a clamping type polishing apparatus for synchronously polishing the inner and outer walls of a stainless steel pipe, which comprises a processing table 100, wherein the processing table 100 sequentially comprises a clamping table 110, a polishing table 120 and a material placing table 130 from front to back, and a plurality of support plates are vertically welded to the bottom surface of the processing table 100 for supporting the processing operation of the stainless steel pipe on the processing table 100. Above the holding table 110, a holding mechanism 200 is disposed for holding the stainless steel tube and moving horizontally, and is used for holding the stainless steel tube onto the polishing table 120 to be polished. The clamping mechanism 200 is composed of a bracket set 220 fixed on the top surface of the clamping table 110 and a clamping assembly 210 reciprocating linearly under the bracket set 220. The support set 220 includes a front support 221 and a rear support 222 fixed at the front and rear ends of the top surface of the clamping table 110, a square guide rod 223 is tightly embedded between the top inner sides of the front support 221 and the rear support 222, and the guide rod 223 plays a guiding and supporting role. A forward and reverse rotation motor 224 is mounted on the outer side face of the top of the front support 221, an output shaft of the forward and reverse rotation motor 224 penetrates through the front support 221 and is coaxially connected with a conveying screw rod 225, and the other end of the conveying screw rod 225 is inserted into a top round hole of the rear support 222 and can rotate. The clamping assembly 210 comprises a movable plate 211 suspended below the conveying screw rod 225, a rotatable rotating sleeve 212 is arranged on the side surface of the movable plate 211 facing the rear support 222, a speed reducing motor 213 is mounted on the other side surface of the movable plate 211, the rotating sleeve 212 is of a hollow structure, materials can be saved in manufacturing, weight is reduced, the rotating sleeve 212 is fixedly connected with an output shaft of the speed reducing motor 213 through a bolt, the rotating sleeve 212 with different outer diameters can be conveniently disassembled and replaced, and the stainless steel pipe clamping assembly is suitable for sleeving stainless steel pipes with different outer diameters. An end surface of the rotary sleeve 212 is not in contact with the movable plate 211, so that the rotary sleeve 212 is driven to rotate by the reduction motor 213. The left side and the right side of the rotating sleeve 212 are symmetrically provided with arc-shaped clamping plates 216 capable of stretching and retracting in a reciprocating mode, the inner side face of each clamping plate 216 is connected with a rotating plate 217 capable of rotating in a circulating mode on the outer side of the rotating sleeve 212, one end of a stainless steel pipe is sleeved between the rotating sleeve 212 and the pair of rotating plates 217, and the stainless steel pipe is clamped on the outer side of the rotating sleeve 212 by the rotating plates 217 and rotates synchronously along with the rotating sleeve 212 to be polished quickly.
Specifically, the middle of the top surface of the clamping table 110 is provided with a square discharge opening 111, a deposit box 112 is placed below the discharge opening 111, the length of the discharge opening 111 is greater than that of a stainless steel pipe, so that the polished stainless steel pipe can fall into the deposit box 112 to be collected when moving to the upper side of the discharge opening 111, and the deposit box 112 needs to be paved with a layer of paper when depositing the falling stainless steel pipe, so that the stainless steel pipe is damaged by friction before. The top surface front end of centre gripping platform 110 is fixed with mounting table 142, and electronic jar 141 is installed to the top surface of mounting table 142, and the piston rod front end of electronic jar 141 is fixed with the ejector sleeve pole 140 that is the U type, and the both sides of ejector sleeve pole 140 touch the stainless steel pipe terminal surface that the cover 212 outside was established that rotates through the fore-stock, and then along with electronic jar 141's piston rod extension with it release rotate the cover 212 on to fall into discharge opening 111 below smoothly.
Specifically, the front bracket 221 is a triangular frame structure, and the middle part of the front bracket is welded with a circular rib 2210 coaxial with the speed reduction motor 213, so that the front bracket 221 can play a role in stable support. The inner diameter of the ring rib 2210 is larger than the outer diameter of the reduction motor 213, so as to prevent the reduction motor 213 from touching and interfering with the front bracket 221 when the clamping assembly 210 clamps the stainless steel tube to retreat. The rear bracket 222 has an arch frame structure, and both ends of the bottom of the rear bracket are fixed on the polishing table 120, so that the rear bracket 222 can stably support the polishing table. The top side of the movable plate 211 is provided with a guide hole 2110 inserted with the guide bar 223, so that the movable plate 211 does not deflect left and right when translating between the front bracket 221 and the rear bracket 222. A screw hole 2111 which is in threaded connection with the conveying screw rod 225 is formed on the side surface of the movable plate 211 and is located right below the guide hole 2110, and the rotation of the conveying screw rod 225 is converted into the linear motion of the movable plate 211, so that the stainless steel pipe is carried to the polishing table 120 to be polished.
Further, a support frame 214 in an a shape is disposed above the rotating sleeve 212, the top end of the support frame 214 is inserted into the guide rod 223 and can slide, and an iron rod is welded between the support frame 214 and the movable plate 211 to ensure that the support frame 214 is fixed on one side of the movable plate 211. The bottom both ends welding of support frame 214 has braced frame 215, and electronic jar 141 has also been cup jointed to braced frame 215's inside for electronic jar 141 is stable to be placed. The front end of the piston rod of the electric cylinder 141 is welded with the middle part of the outer side of the clamping plate 216, so that after the electric cylinder 141 is electrified to work, the piston rod arranged in the electric cylinder 141 can drive the clamping plate 216 to be close to each other for clamping.
In addition, the circular arc center line of the inner side of the clamping plate 216 is provided with a circular groove 2160, the cross section of the circular groove 2160 is in a T shape, and the circular arc center line of the outer side of the rotating plate 217 is provided with a limit strip 2170 inserted into the circular groove 2160, so that a limit mechanism is formed, the rotating plate 217 is ensured not to slip off when rotating on the inner side of the clamping plate 216, and the rotating plate 217 is ensured not to slip off after standing under gravity by virtue of the friction force between the limit strip 2170 and the circular groove 2160. The front end surface and the rear end surface of the rotating plate 217 are provided with through holes 2171 which are communicated at equal intervals in an annular mode, the arc surface of the outer side of the rotating plate 217 is provided with a groove 2172 which is communicated with the through holes 2171, rollers 2174 are placed in the groove 2172, inserting pins 2173 are inserted into the through holes 2171 and the rollers 2174, so that the rollers 2174 can roll freely, meanwhile, the rollers 2174 protrude out of the outer arc surface of the clamping plate 216 and can contact and roll with the inner arc surface of the clamping plate 216, after the clamping plate 216 clamps the stainless steel pipe on the outer side of the rotating sleeve 212, the rotating plate 217 can rotate circularly between the pair of clamping plates 216, and the stainless steel pipe is guaranteed not to.
When the stainless steel pipe needs to be clamped and sent to be polished, the forward and reverse rotation motor 224 is started to rotate forward, the conveying screw rod 225 is driven to rotate forward to enable the clamping assembly 210 to approach to the front support 221 integrally, then a stainless steel pipe to be polished is taken out, one end of the stainless steel pipe is sleeved on the rotating sleeve 212, the electric cylinder 141 on the supporting frame 215 is started to operate, the piston rod is driven to push against the clamping plate 216 to clamp the stainless steel pipe, the forward and reverse rotation motor 224 is started to rotate reversely to enable the conveying screw rod 225 to rotate reversely to enable the clamping assembly 210 to bring the stainless steel pipe to approach to the rear support 222 until the stainless steel pipe is suspended on the polishing table 120 and the material placing table 130.
The outer wall polishing mechanism 300 for polishing the outer wall of the stainless steel pipe is arranged on the polishing table 120, the outer wall polishing mechanism 300 comprises a pair of U-shaped polishing seats 310, bearings are embedded in the side faces of the two ends of the top of each polishing seat 310 at the same position, rotating columns 311 are inserted into the inner rings of the bearings, one ends of the rotating columns 311 are coaxially connected with servo motors 330, and outer wall grinding wheels 320 are sleeved on the outer sides of the rotating columns 311. The middle of the top surface of the polishing table 120 is provided with a limiting groove 121 penetrating through the left side surface and the right side surface of the polishing table, the middle of the bottom surface of the polishing seat 310 is provided with a limiting block 3100 in sliding connection with the limiting groove 121, the limiting groove 121 is in an inverted T shape, and the limiting block 3100 is matched with the size of the limiting groove, so that a limiting structure is formed, and the polishing seat 310 is guaranteed to be stably translated on the polishing table 120. A through hole is formed in the lower half portion of the limiting block 3100 along the length direction, a transmission screw 340 is connected to the through hole in a threaded manner, and the transmission screw 340 rotates to convert the polishing base 310 to move along the axis direction. The inner of transmission lead screw 340 has closely cup jointed main bevel gear 3400, the inboard middle part of spacing groove 121 is fixed with rotatable transmission awl tooth 3401, main bevel gear 3400 meshes with transmission awl tooth 3401, alright through the rotation of a transmission lead screw 340, it is rotatory to drive transmission awl tooth 3401, and then it is rotatory to drive another transmission lead screw 340, and two transmission lead screws 340 are rotatory reverse, thereby two transmission lead screws 340 simultaneous movement back, can drive two polishing seats 310 and draw close each other or keep away from, can adjust interval each other, so that the stainless steel pipe that is applicable to different external diameters is placed and is polished. The outer end of one of the transmission screw rods 340 is fixed with a dial 342, the outer end of the dial 342 is connected with a turntable 343 which drives the transmission screw rod 340 to rotate, and the dial 342 is favorable for visually seeing the distance of the transmission screw rod 340 driven by the rotation of the turntable 343. An inner wall polishing mechanism 400 for polishing the inner wall of the stainless steel pipe is arranged above the material placing table 130, the inner wall polishing mechanism 400 comprises a liftable polishing motor 410 arranged above the rear end of the material placing table 130, the output end of the polishing motor 410 is coaxially connected with a long shaft, the outer end of the long shaft is sleeved with an inner wall grinding wheel 420, the inner wall grinding wheel 420 is positioned right above the outer wall grinding wheel 320, when the stainless steel pipe is placed into the stainless steel pipe, the polishing motor 410 needs to be lifted to avoid touching obstacles, after the stainless steel pipe is supported and stabilized by the outer wall grinding wheel 320, the polishing motor 410 is descended to enable the inner wall grinding wheel 420 to be attached to the inner wall of the stainless steel pipe, and therefore the inner wall and the outer wall of.
Specifically, the top surface of the polishing table 120 and the rear side of the limiting groove 121 are provided with a grinding opening 122 for discharging powder during polishing of the stainless steel tube, so as to avoid accumulation on the polishing table 120 and save cleaning process. A collection box 124 is placed below the grinding opening 122 for collecting the powder falling from the stainless steel tube polishing for centralized processing. A material guide plate 123 with an arc plate structure is fixed above the middle part of the limiting groove 121, one end of the material guide plate 123 is inclined to the abrasive opening 122, a material collecting plate 312 is fixed on the inner side surface of the polishing seat 310, and the material collecting plate 312 is used for guiding powder falling down when the inner wall of the stainless steel pipe is polished. The bottom of the material gathering plate 312 is provided with a long strip opening, a material guiding plate 313 is arranged below the long strip opening, one end of the material guiding plate 313 is inclined to the position of the abrasive opening 122, and the material guiding plate 313 is used for guiding powder falling off when the outer wall of the stainless steel pipe is polished.
Further, the outer end of the transmission screw 340 is sleeved with a bearing, the outer ring of the bearing is sleeved with a fixed block 341, and the fixed block 341 is tightly clamped with the outer port of the limiting groove 121, so as to support the transmission screw 340 to rotate stably. A square column is arranged at the center of the inner end of the turntable 343 and is in inserted fit with a square hole formed in the center of the outer end face of the transmission screw 340, so that the turntable 343 is rotated to drive the transmission screw 340 to rotate. A plurality of scale bars are arranged at the edge of the outer end face of the dial 342 at equal intervals, and the outer diameter of the turntable 343 is smaller than the small diameter formed by the scale bars in a surrounding mode, so that the scale bars are exposed and clearly seen. The outside edge of carousel 343 is equipped with long sand grip symmetrically to correspond the scale bar and carry out the reading.
In addition, a lifting plate 411 is fixed below the polishing motor 410, and the lifting plate 411 can lift the polishing motor 410 so as to adjust the vertical distance between the inner wall grinding wheel 420 and the outer wall grinding wheel 320. A fixing box 412 is arranged below the lifting plate 411, and the fixing box 412 is fixed on the material placing table 130 through bolts. The rear ends of the lifting plate 411 and the fixing box 412 are respectively inserted with a cylindrical rod, the fixing box 412 is rotatably connected with a worm 413, one end of the worm 413 is connected with a handle so as to rotate the worm 413, a worm wheel 414 is meshed in front of the worm 413, a lifting screw 415 is inserted into a central hole of the worm wheel 414, and the top end of the lifting screw 415 is in threaded connection with a round hole formed in the front end face of the lifting plate 411, so that the lifting plate 411 is stably placed on the material placing table 130 and is converted into lifting movement of the lifting plate 411 through rotation of the lifting screw 415 in different directions. The front end of the inner wall grinding wheel 420 is bonded with a disk-shaped brush 430, when the stainless steel pipe retreats to the clamping table 110, the brush 430 can block the powder polished on the inner wall of the stainless steel pipe until the stainless steel pipe is completely retreated from the outer wall grinding wheel 320, and the powder inside the stainless steel pipe falls onto the material collecting plate 312 and slides to the grinding material port 122, and then falls into the collection box 124 to be collected. A supporting tube seat 440 is fixed on the top surface of the material placing table 130 and near the polishing motor 410, the top of the supporting tube seat 440 is in an arc structure, and the arc radius is much larger than the outer diameter of all the stainless steel tubes to be polished, so as to support the stainless steel tubes. The central position of the top surface of the supporting tube seat 440 is provided with a plurality of square openings 441 along the central axis direction of the polishing motor 410, and the rollers 442 are rotatably connected inside the square openings 441, so that the stainless steel tube is prevented from being damaged by friction with the supporting tube seat 440 when rotating.
When the stainless steel pipe is polished, after the stainless steel pipe is clamped by the clamping assembly 210 and moves to the position above the polishing table 120 and the material placing table 130, the clockwise rotating turntable 343 drives the two transmission screw rods 340 to rotate reversely at the same time, so that the two polishing seats 310 are close to each other until the polishing seats are attached to the outer wall of the stainless steel pipe, because the thread self-locking condition is that the thread lead angle is smaller than the equivalent friction angle, according to the knowledge of the mechanical theory, the polishing seat 310 can be manufactured to be driven to move along the axial direction only by the rotation of the transmission screw rods 340, otherwise, the polishing seat 310 can be locked at any position, so as to ensure the contact polishing with the outer wall of the stainless steel pipe, then the worm 413 is rotated clockwise to drive the lifting screw rod 415 to rotate clockwise, so that the lifting plate 411 makes linear descending movement until the inner wall grinding wheel 420 is attached to the inner wall of the stainless steel pipe, so as to make the contact, the clamping plate 216 is driven to loosen the clamping of the stainless steel tube, and the outer wall grinding wheel 320 and the inner wall grinding wheel 420 can be driven to polish the inner wall and the outer wall of the stainless steel tube by starting the servo motor 330 and the polishing motor 410.
The middle part of the top surface of the material placing table 130 is provided with a pipe shifting mechanism 500 for shifting the stainless steel pipe to move horizontally, the pipe shifting mechanism 500 comprises a pair of vertically placed pipe shifting columns 510, the pipe shifting columns 510 are cylinders with reduced middle outer diameters and are in rolling connection with two sides of the stainless steel pipe which moves horizontally to the material placing table 130, and the structure of the pipe shifting columns can further support the stainless steel pipe. The saddle 520 with the lifting of the shifting pipe column 510 is installed below the shifting pipe column 510, the stepping motor 523 for driving the shifting pipe column 510 to rotate is installed on the bottom surface of one end of the saddle 520, the material placing table 130 is fixedly provided with a slide rail 540 for guiding the shifting pipe columns 510 to move horizontally, so that the shifting pipe columns 510 can adjust the distance between the shifting pipe columns, stainless steel pipes are clamped, the stainless steel pipes are driven to enter and exit the clamping table 110 through the rotation of the shifting pipe columns 510, and the stainless steel pipes can be butted with the clamping assembly 210 and conveyed.
Specifically, the shifting column 510 is made of rubber, is wear-resistant and good in toughness, and can increase the friction force between stainless steel pipes in contact with the shifting column. The center of the bottom end of the poking column 510 is provided with a convex column 511, the bottom surface of the other end of the saddle 520 is provided with a plug column 521, the top end of the plug column 521 penetrates through the upside of the saddle 520 and is sleeved with a driven gear 522 which can rotate, the upper half part of the central hole of the driven gear 522 is tightly inserted with the convex column 511, and one side of the driven gear 522 is engaged with a driving gear 524 coaxially connected with the stepping motor 523.
Further, the slide rail 540 is a cuboid structure and is provided with a slide rail groove 541 running through the length direction on the central line of the top surface, the slide rail groove 541 is of an inverted T-shaped structure and is slidably connected with a slide block 531, the top surface of the slide block 531 is provided with a sleeve seat 530 spliced with the inserted column 521, one side of the top of the sleeve seat 530 is provided with a threaded round hole, and the round hole is internally threaded with a bolt, after the bolt is screwed, the inserted column 521 in the bolt can be compressed, so that the height of the tubular column 510 can be stably pulled. The logical groove 542 that is linked together with slide rail groove 541 is seted up to both sides around slide rail 540, the long limit one side of slide rail 540 is provided with the spacing turning handle 532 that passes logical groove 542 and with slider 531 threaded connection, the shrinkage pool and the shrinkage pool of in-band screw thread and spacing turning handle 532 threaded connection are seted up at a terminal surface center of slider 531, spacing turning handle 532 passes logical groove 542, the rear end of spacing turning handle 532 is equipped with the ring piece, so that compress tightly the long avris at slide rail 540 behind the spacing turning handle 532 of screwing, play limiting displacement, guarantee to dial the firm motionless after the adjustment of tubular column 510 interval.
Before the stainless steel pipe is polished, moving two shifting pipe columns 510 on a sliding rail 540 until the two shifting pipe columns are attached to two sides of the stainless steel pipe, screwing a limiting rotating handle 532 to enable the shifting pipe columns 510 to be stable and not to move, then starting a stepping motor 523 to enable the stepping motor to work in a reverse rotation mode, driving a driving gear 524 to drive a driven gear 522 and the shifting pipe columns 510 to rotate anticlockwise integrally, moving the stainless steel pipe to a polishing motor 410 through friction force until the other end of the stainless steel pipe is arranged on an outer wall grinding wheel 320 completely, stopping the working of the stepping motor 523, after the section of the stainless steel pipe arranged on the outer wall grinding wheel 320 is polished to a position, starting the stepping motor 523 to enable the shifting pipe columns to work in a forward rotation mode, driving the shifting pipe columns 510 to rotate clockwise, moving the stainless steel pipe to a clamping assembly 210 until the stainless steel pipe is inserted into a rotating sleeve 212 and clamped by a clamping plate 216 in the forward rotation mode, starting a speed reducing motor, the conveying screw rod 225 is driven to rotate positively to enable the clamping assembly 210 to bring the stainless steel pipe to approach the front support 221, so that the stainless steel pipe rotates and moves linearly to be polished inside and outside, the polishing efficiency of the stainless steel pipe is improved, when the stainless steel pipe is moved to the position above the discharge opening 111, the polishing is finished, the operation of all electric appliances is stopped, the electric cylinder 141 in the supporting frame 215 is started again to drive the clamping plate 216 to retreat and loosen the clamping of the stainless steel pipe, the electric cylinder 141 on the support table 142 is started again to enable the piston rod of the electric cylinder 141 to extend, the pipe pushing rod 140 is driven to push the outer side of the rotating sleeve 212 and push out the stainless steel pipe, and the stainless steel pipe falls into the storage box 112 from the discharge opening.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a centre gripping formula polishing equipment of synchronous polishing of stainless steel pipe inside and outside wall, includes processing platform (100), its characterized in that: the processing table (100) sequentially comprises a clamping table (110), a polishing table (120) and a material placing table (130) from front to back, a clamping mechanism (200) for clamping stainless steel tubes to move horizontally is arranged above the clamping table (110), the clamping mechanism (200) comprises a support group (220) fixed on the top surface of the clamping table (110) and a clamping assembly (210) moving linearly in a reciprocating manner below the support group (220), the support group (220) comprises a front support (221) and a rear support (222) fixed at the front end and the rear end of the top surface of the clamping table (110), a square guide rod (223) is tightly embedded between the inner side surfaces of the tops of the front support (221) and the rear support (222), a forward and reverse motor (224) is installed on the outer side surface of the top of the front support (221), and an output shaft of the forward and reverse motor (224) penetrates through the front support (221) and is coaxially connected with a conveying screw rod (225), the other end of the conveying screw rod (225) is inserted into a circular hole in the top of the rear support (222) and can rotate, the clamping assembly (210) comprises a movable plate (211) suspended below the conveying screw rod (225), a rotatable rotating sleeve (212) is arranged on the side, facing the rear support (222), of the movable plate (211), a speed reduction motor (213) is installed on the other side of the movable plate (211), arc-shaped clamping plates (216) capable of stretching and retracting back and forth are symmetrically arranged on the left side and the right side of the rotating sleeve (212), a rotating plate (217) capable of rotating circularly outside the rotating sleeve (212) is connected to the inner side of each clamping plate (216), and one end of a stainless steel pipe is sleeved between the rotating sleeve (212) and the pair of rotating plates (217);
the polishing device is characterized in that an outer wall polishing mechanism (300) used for polishing the outer wall of a stainless steel pipe is arranged on the polishing table (120), the outer wall polishing mechanism (300) comprises a pair of U-shaped polishing seats (310), bearings are embedded in the same positions of the side surfaces of the two ends of the top of each polishing seat (310), rotating columns (311) are inserted in the inner rings of the bearings, one ends of the rotating columns (311) are coaxially connected with a servo motor (330), outer wall grinding wheels (320) are sleeved on the outer sides of the rotating columns (311), limiting grooves (121) penetrating through the left side and the right side of each polishing table (120) are formed in the middle of the top surface of each polishing table (120), a limiting block (3100) connected with the limiting grooves (121) in a sliding mode is arranged in the middle of the bottom surface of each polishing seat (310), through holes are formed in the lower half portions of the limiting blocks (3100) in the length direction and, a rotatable transmission bevel gear (3401) is fixed in the middle of the inner side of the limiting groove (121), the main bevel gear (3400) is meshed with the transmission bevel gear (3401), a dial (342) is fixed at the outer end of one of the transmission lead screws (340), the outer end of the dial (342) is connected with a turntable (343) which drives the transmission lead screw (340) to rotate, an inner wall polishing mechanism (400) which is used for polishing the inner wall of the stainless steel pipe is arranged above the material placing table (130), the inner wall polishing mechanism (400) comprises a liftable polishing motor (410) which is arranged above the rear end of the material placing table (130), the output end of the polishing motor (410) is coaxially connected with a long shaft, the outer end of the long shaft is sleeved with an inner wall grinding wheel (420), and the inner wall grinding wheel (420) is positioned right above the outer wall grinding wheel (320);
put the top surface middle part of material platform (130) and be provided with the pipe mechanism (500) of dialling that is used for dialling the stainless steel pipe translation, dial pipe mechanism (500) including a pair of vertical pipe column (510) of dialling of placing, dial pipe column (510) and be the cylinder that the outer footpath of middle part reduces and with the translation to put stainless steel pipe both sides roll connection on the material platform (130), dial the below of pipe column (510) and install saddle (520) of taking its lift, the one end bottom surface of saddle (520) is installed the drive and is dialled rotatory step motor (523) of pipe column (510), it is fixed with slide rail (540) that the guide was a pair of dialling pipe column (510) translation on material platform (130).
2. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 1, characterized in that: the pipe pushing device is characterized in that a square discharge opening (111) is formed in the middle of the top face of the clamping table (110), a pipe storage box (112) is placed below the discharge opening (111), a support table (142) is fixed to the front end of the top face of the clamping table (110), an electric cylinder (141) is installed on the top face of the support table (142), and a U-shaped pipe pushing rod (140) is fixed to the front end of a piston rod of the electric cylinder (141).
3. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 1, characterized in that: the polishing machine is characterized in that the front support (221) is of a triangular frame structure, the middle of the front support is welded with a ring rib (2210) which is coaxial with the speed reducing motor (213), the rear support (222) is of an arched frame structure, two ends of the bottom of the rear support are fixed on the polishing table (120), a guide hole (2110) which is connected with the guide rod (223) in an inserting mode is formed in the side face of the top of the movable plate (211), and a threaded hole (2111) which is connected with the conveying screw rod (225) in a threaded mode is formed in the side face of the movable plate (211) and is located under the guide hole (2110).
4. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 2, characterized in that: the top of rotating cover (212) is provided with support frame (214) that is the A type, the top of support frame (214) with guide bar (223) are pegged graft and slidable, support frame (214) with the welding has the iron set between fly leaf (211), the welding has carriage (215) at the bottom both ends of support frame (214), electronic jar (141) have also been cup jointed to the inside of carriage (215), the piston rod front end of electronic jar (141) with the outside middle part welding of grip block (216).
5. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 1, characterized in that: an annular groove (2160) is formed in the arc center line of the inner side of the clamping plate (216), the cross section of the annular groove (2160) is T-shaped, a limiting strip (2170) inserted into the annular groove (2160) is arranged on the arc center line of the outer side of the rotating plate (217), through holes (2171) communicated with each other are formed in the front end and the rear end of the rotating plate (217) at equal intervals in an annular mode, a groove (2172) communicated with the through hole (2171) is formed in the arc surface of the outer side of the rotating plate (217), a roller (2174) is placed in the groove (2172), and a bolt (2173) is inserted into each of the through hole (2171) and the roller (2174).
6. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 1, characterized in that: polishing table (120)'s top surface just is located the rear of spacing groove (121) and has seted up grinding opening (122), collecting box (124) have been placed to the below of grinding opening (122), the middle part top of spacing groove (121) is fixed with guide plate (123) that are the circular arc plate structure, the one end slope of guide plate (123) is to grinding opening (122) department, the medial surface of polishing seat (310) is fixed with gathers flitch (312), the bottom of gathering flitch (312) is seted up rectangular mouthful and rectangular mouthful below and is provided with guide plate (313), the one end slope of guide plate (313) is to grinding opening (122) department.
7. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 1, characterized in that: the outer end of the transmission screw rod (340) is sleeved with a bearing, the outer ring of the bearing is sleeved with a fixed block (341), the fixed block (341) is tightly clamped with the outer port of the limiting groove (121), a plurality of scale strips are arranged at the edge of the outer end face of the dial (342) at equal intervals, a square column is arranged at the center of the inner end of the rotary disc (343), the square column is in plug-in fit with a square hole formed in the center of the outer end face of the transmission screw rod (340), the outer diameter of the rotary disc (343) is smaller than the small diameter defined by the scale strips, and long protruding strips are symmetrically arranged at the edge of the outer side of the rotary disc.
8. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 1, characterized in that: a lifting plate (411) is fixed below the polishing motor (410), a fixing box (412) is arranged below the lifting plate (411), cylindrical rods are inserted into two sides of the rear ends of the lifting plate (411) and the fixing box (412), a worm (413) is rotatably connected inside the fixing box (412), a worm wheel (414) is meshed in front of the worm (413), a lifting lead screw (415) is inserted into a central hole of the worm wheel (414), the top end of the lifting lead screw (415) is in threaded connection with a round hole formed in the front end face of the lifting plate (411), a disc-shaped brush (430) is bonded at the front end of the inner wall grinding wheel (420), a supporting tube seat (440) is fixed on the top face of the material placing table (130) and close to the polishing motor (410), the top of the supporting tube seat (440) is of an arc structure, a plurality of square openings (441) are formed in the middle position of the top face of the supporting tube seat (440) along the central axis direction of the polishing motor (410), the roller (442) is rotatably connected to the inside of the square opening (441).
9. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 1, characterized in that: the bottom end center of dialling tubular column (510) is equipped with projection (511), the other end bottom surface of saddle (520) is equipped with and inserts post (521), the top of inserting post (521) runs through to the top of saddle (520) and has cup jointed driven gear (522), one side meshing of driven gear (522) have with step motor (523) coaxial coupling's driving gear (524).
10. The clamping type polishing device for synchronously polishing the inner wall and the outer wall of the stainless steel pipe according to claim 9, characterized in that: slide rail (540) are cuboid structure and set up on the top surface central line and run through its length direction's slide rail groove (541), slide rail groove (541) are the type of falling T structure and sliding connection has slider (531), the top surface of slider (531) be equipped with sleeve seat (530) of pegging graft of post (521), logical groove (542) that are linked together with slide rail groove (541) are seted up to the front and back both sides of slide rail (540), the long limit one side of slide rail (540) is provided with and passes logical groove (542) and with slider (531) threaded connection's spacing turning handle (532).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010875476.5A CN111958469A (en) | 2020-08-27 | 2020-08-27 | Clamping type polishing equipment for synchronously polishing inner wall and outer wall of stainless steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010875476.5A CN111958469A (en) | 2020-08-27 | 2020-08-27 | Clamping type polishing equipment for synchronously polishing inner wall and outer wall of stainless steel pipe |
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| CN111958469A true CN111958469A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010875476.5A Withdrawn CN111958469A (en) | 2020-08-27 | 2020-08-27 | Clamping type polishing equipment for synchronously polishing inner wall and outer wall of stainless steel pipe |
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| CN117086768A (en) * | 2023-10-17 | 2023-11-21 | 中铁三局集团有限公司 | Automatic polishing device for butt welding seam of ultra-long large-diameter pipeline |
| CN117086768B (en) * | 2023-10-17 | 2024-01-23 | 中铁三局集团有限公司 | Automatic polishing device for butt welding seam of ultra-long large-diameter pipeline |
| CN117400090A (en) * | 2023-12-15 | 2024-01-16 | 淄博职业学院 | Pipe fitting processing grinding device |
| CN117400090B (en) * | 2023-12-15 | 2024-03-01 | 淄博职业学院 | Pipe fitting processing grinding device |
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