CN116141113A

CN116141113A - Floating polishing device and method for deburring shaft housing workpieces

Info

Publication number: CN116141113A
Application number: CN202111389639.XA
Authority: CN
Inventors: 陈方清; 潘斌; 喻擎天; 刘恒; 刘威
Original assignee: Shanghai GKN Huayu Driveline Systems Co Ltd
Current assignee: Shanghai GKN Huayu Driveline Systems Co Ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2023-05-23

Abstract

The invention discloses a floating polishing device and a floating polishing method for deburring shaft housing workpieces, which belong to the technical field of deburring, and comprise clamping parts, wherein the clamping parts are used for clamping and fixing workpieces to be polished and driving the workpieces to be polished to rotate; the first driving part is connected with the clamping part and used for driving the clamping part to move; the floating polishing part is arranged above the clamping part in a lifting manner and comprises a floating grinding wheel which is used for carrying out floating polishing operation on a workpiece to be polished; and the second driving part is used for adjusting the distance between the floating grinding wheel and the workpiece to be polished. According to the invention, the workpiece to be polished is driven to rotate by the clamping part, the floating grinding wheel is abutted against the workpiece to be polished by the second driving part, and the polishing force of the floating grinding wheel to be polished is adjusted by the floating follow profiling of the workpiece to be polished by the floating grinding wheel, so that the automatic adjustment of the polishing removal amount is realized, and the automatic removal of burrs of the axle housing parts is further realized.

Description

Floating polishing device and method for deburring shaft housing workpieces

Technical Field

The invention relates to the technical field of burr cleaning, in particular to a floating polishing device and method for deburring shaft housing workpieces.

Background

As shown in fig. 8, burrs and sharp corners are formed on the inner side and the outer side of a bowl opening part of the axle housing part after turning and forming the axle housing part; however, because the axle housing is irregular in appearance, burrs and sharp corners cannot be removed by using automatic equipment, and only manual operation mode, namely manual polishing by a handheld pneumatic grinding head, can be adopted. The manual operation has the following defects:

1. the polishing removal amount is not easy to control, and when the removal amount is too large, the chamfer surface can be damaged and positioned; when the removal amount is too small, burrs and sharp corners remain.

2. The polishing angle is improper, a new sharp angle is easy to form, and the inner ring of the sheath has a cutting risk in the running process of the vehicle, so that the oil leakage phenomenon occurs.

3. The chamfer is uneven, and the outward appearance is poor.

4. The technical requirements for operators are high, and the improvement of the yield is limited.

Disclosure of Invention

Therefore, the invention aims to provide a floating polishing device for deburring shaft housing workpieces, which solves the technical problem that the polishing removal amount of the existing manual polishing operation is not easy to control.

The technical scheme adopted by the invention is as follows: a floating grinding device for deburring shaft housing workpieces, comprising:

the clamping part is used for clamping and fixing a workpiece to be polished and driving the workpiece to be polished to rotate around the axis of the clamping part, and the clamping part is provided with a feeding station and a polishing station;

the first driving part is connected with the clamping part and used for driving the clamping part to move between the feeding station and the polishing station;

the floating polishing part is arranged above the polishing station in a lifting manner and comprises a floating grinding wheel which is used for carrying out floating polishing operation on the workpiece to be polished;

the second driving part is connected with the floating polishing part and is used for adjusting the distance between the floating grinding wheel and the workpiece to be polished.

Preferably, the floating grinding part comprises a floating head mechanism for elastically swinging the floating grinding wheel so as to adjust the grinding force of the floating grinding wheel on the workpiece to be ground;

the floating head mechanism comprises a torsion spring, an indexing cap, a rotating shaft and a mounting block, one end of the rotating shaft is fixedly connected with a driving motor, and the floating grinding wheel is in transmission connection with the driving motor; the rotating shaft is rotatably connected in the mounting through hole of the mounting block, the indexing cap cover is arranged at the other end of the rotating shaft, and the torsion spring is spirally connected between the indexing cap and the rotating shaft.

Preferably, the floating head mechanism further comprises a positioning rod, wherein indexing holes are uniformly distributed on the outer circumferential surface of the indexing cap in a circumferential mode, and the positioning rod is axially movably arranged on the mounting block so that the end portion of the positioning rod can be inserted into the indexing holes.

Preferably, the floating grinding part further comprises a force measuring mechanism for detecting the grinding force of the floating grinding wheel on the workpiece to be ground;

the force measuring mechanism comprises a rotating block, a lifting rod and a force sensor, wherein the rotating block is fixedly connected with the rotating shaft and is arranged in the mounting through hole; the mounting block is provided with an avoidance hole communicated with the mounting through hole, the lifting rod is arranged in the avoidance hole in a lifting manner, the bottom end of the lifting rod is abutted to the rotating block, and the top end of the lifting rod is connected with the force sensor.

Preferably, the clamping part comprises a fixed plate, a running plate, a bearing table and a driving chuck, wherein a guide long slot hole is formed in the fixed plate, the running plate is in sliding connection with the guide long slot hole, the bearing table is rotatably arranged on the running plate, and a step-shaped through hole for positioning the workpiece to be polished is formed in the bearing table; the driving chuck is coaxially arranged below the bearing table and connected with the bearing table, and is used for clamping and fixing the workpiece to be polished and driving the workpiece to be polished to rotate.

Preferably, the first driving part comprises a telescopic cylinder, a first guide rail and a movable support plate, the clamping part is arranged on the movable support plate, the movable support plate is slidably connected to the first guide rail, and the movable end of the telescopic cylinder is fixedly connected with the movable support plate so as to drive the movable support plate to move along the length direction of the first guide rail through the extension and shortening of the telescopic cylinder.

Preferably, the second driving part comprises a servo motor, a horizontal screw rod, a mounting plate, a second guide rail and a translation sliding block, wherein the servo motor and the second guide rail are fixedly arranged on the mounting plate, the horizontal screw rod is rotatably arranged above the mounting plate and is in transmission connection with the servo motor, and the translation sliding block is in threaded connection with the horizontal screw rod and is in sliding connection with the second guide rail.

Preferably, the device further comprises a shell, a workbench and a dust collector, wherein a first mounting groove hole and a second mounting groove hole are formed in the workbench in parallel, the clamping part is arranged in the first mounting groove hole, and the second driving part is arranged in the second mounting groove hole; the shell cover is arranged on the outer sides of the clamping part, the first driving part, the floating polishing part and the second driving part, the dust collector is arranged on one side of the shell, and an air inlet of the dust collector is communicated with an inner cavity of the shell.

Preferably, the apparatus further comprises a control machine; the control machine is electrically connected with the floating polishing part and is used for displaying the polishing force of the floating grinding wheel on the workpiece to be polished; the control machine is electrically connected with the second driving part and is used for controlling the floating grinding wheel to be far away from or close to the workpiece to be polished; the control machine is electrically connected with the first driving part and used for controlling the workpiece to be polished to move between the polishing station and the feeding workpiece.

The method for deburring the shaft housing workpiece uses the floating polishing device for deburring the shaft housing workpiece, and comprises the following steps of:

the clamping part drives the workpiece to be polished to rotate clockwise, the floating grinding wheel is driven to rotate by the floating polishing part, and floating polishing operation is carried out on the inner side of the workpiece to be polished;

the clamping part drives the workpiece to be polished to rotate anticlockwise, the floating grinding wheel is driven to rotate by the floating polishing part, and floating polishing operation is carried out on the outer side of the workpiece to be polished.

The invention has the beneficial effects that:

1. according to the invention, the workpiece to be polished is clamped and fixed through the clamping part and driven to rotate, then the floating grinding wheel of the floating polishing part is abutted against the workpiece to be polished through the second driving part and is enabled to rotate, so that the polishing force of the floating grinding wheel to be polished is adjusted through the floating follow profiling of the workpiece to be polished through the floating grinding wheel, the automatic adjustment of the polishing removal amount is realized, the automatic removal of burrs of the axle housing parts is further realized, and the yield of the axle housing parts can be greatly improved.

2. According to the invention, the workpiece to be polished is driven to rotate by the clamping part, and the floating grinding wheel is driven to be far away from or close to the workpiece to be polished by the second driving part, so that the profiling follow polishing operation of the shaft shell parts is realized, the polishing quality is ensured, the forming operation of the inner side and the outer side of the bowl opening of the shaft shell parts is realized, the chamfering is uniform, and the consistency of the shaft shell parts subjected to deburring is high and the quality is stable.

3. According to the invention, the floating head mechanism drives the floating grinding wheel to elastically swing in the vertical plane, and the swing amplitude of the floating grinding wheel in the vertical plane is adjustable, so that the polishing force of the floating grinding wheel to-be-polished work in floating polishing operation is adjustable, and the application range of the device is enlarged.

4. According to the invention, the force measuring mechanism is arranged in the floating grinding part, and can detect the grinding force of the floating grinding wheel to the workpiece to be ground, so that the elastic swing amplitude of the floating grinding wheel can be conveniently adjusted by a worker as required.

5. According to the invention, the outer sides of the clamping part and the floating polishing part are covered with the shell, so that dust in the polishing operation process can be prevented from drifting into the surrounding environment, and the influence on the production environment is reduced; the shell is connected with the dust collector, and the dust collector can absorb the dust in the inner cavity of the shell, so that the post-treatment of the dust is facilitated.

Drawings

FIG. 1 is a schematic structural view of a floating grinding device for deburring shaft housing workpieces according to the present invention;

FIG. 2 is a front view of the floating grinding device for deburring shaft housing workpieces of the present invention;

FIG. 3 is a schematic perspective view of a floating sanding section;

FIG. 4 is a schematic view of the structure of the floating head mechanism and force measuring mechanism;

FIG. 5 is a schematic view of a lifting mechanism;

fig. 6 is a schematic structural view of the clamping portion and the first driving portion;

fig. 7 is a schematic structural view of the second driving part;

fig. 8 is a schematic view of the structure of a workpiece to be polished.

The reference numerals in the drawings illustrate:

100. a clamping part;

101. a fixing plate;

102. a running plate;

103. a carrying platform;

104. driving a chuck;

105. a guide slot;

200. a first driving section;

201. a telescopic cylinder;

202. a first guide rail;

203. a movable support plate;

300. a floating polishing part;

310. a floating grinding wheel;

320. a floating head mechanism;

321. a torsion spring;

322. an indexing cap;

323. a rotating shaft;

324. a mounting block;

325. a driving motor;

326. mounting through holes;

327. a positioning rod;

328. indexing holes;

330. a force measuring mechanism;

331. a rotating block;

332. a lifting rod;

333. a force sensor;

340. a lifting mechanism;

341. an upper fixing plate;

342. a lower fixing plate;

343. a vertical screw;

344. lifting the sliding block;

345. a connecting plate;

346. a guide plate;

347. a driving member;

400. a second driving section;

401. a servo motor;

402. a horizontal screw;

403. a mounting plate;

404. a second guide rail;

405. translating the sliding block;

500. a work table;

600. a workpiece to be polished;

700. a control machine;

800. a dust collector;

900. a housing.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

1-7, a floating polishing device for deburring shaft housing parts is used for automatically removing burrs and sharp corners on the inner side and the outer side of a bowl opening of the shaft housing parts; the device comprises:

the clamping part 100 is used for clamping and fixing the workpiece 600 to be polished and driving the workpiece 600 to be polished to rotate around the axis of the workpiece 100, and the clamping part 100 is provided with a feeding station and a polishing station; the feeding station is used for manually fixing the workpiece 600 to be polished on the clamping part 100 or manually taking out the polished workpiece, and the polishing station is used for floating polishing operation of the workpiece 600 to be polished;

the first driving part 200 is connected with the clamping part 100, and the first driving part 200 is used for driving the clamping part 100 to move between a feeding station and a polishing station so as to enable the workpiece 600 to be polished to move from the feeding station to the polishing station or enable the workpiece 600 to be polished to move from the polishing station to the feeding station;

the floating polishing part 300 is arranged above the polishing station in a lifting manner, the floating polishing part 300 comprises a floating grinding wheel 310, and the floating grinding wheel 310 is used for carrying out floating polishing operation on the workpiece 600 to be polished, so that the automatic adjustment of the polishing removal amount of the workpiece 600 to be polished by the floating grinding wheel 310 is realized;

and a second driving part 400, the second driving part 400 is connected with the floating grinding part 300, and the second driving part 400 is used for adjusting the distance between the floating grinding wheel 310 and the workpiece 600 to be ground so as to enable the floating grinding wheel 310 to be close to or far away from the workpiece 600 to be ground.

According to the polishing device, the workpiece 600 to be polished is clamped and fixed through the clamping part 100, the workpiece 600 to be polished is driven to rotate, then the floating grinding wheel 310 of the floating polishing part 300 is abutted against the workpiece 600 to be polished through the second driving part 400, and the floating grinding wheel 310 is rotated, so that the polishing force of the floating grinding wheel 310 to the workpiece 600 to be polished is adjusted through the floating of the floating grinding wheel 310, the floating profiling follow polishing operation of the floating grinding wheel 310 to the workpiece to be polished is realized, the polishing removal amount can be effectively controlled, the automatic removal of burrs of shaft-shell parts is realized, and the yield of the shaft-shell parts can be greatly improved.

In a specific embodiment, as shown in fig. 3 and 4, the floating polishing part 300 includes a floating head mechanism 320, where the floating head mechanism 320 is in transmission connection with the floating grinding wheel 310, and the floating head mechanism 320 is not only used for driving the floating grinding wheel 310 to rotate around its own axis, but also can make the floating grinding wheel 310 elastically swing in a vertical plane, so as to adjust the polishing force of the floating grinding wheel 310 on the workpiece 600 to be polished, and realize that the floating grinding wheel 310 on the workpiece 600 to be polished in the vertical plane follows the profiling polishing operation, so as to ensure the consistency of the polishing removal amount of the workpiece 600 to be polished by the floating grinding wheel 310. By the arrangement, the floating head mechanism 320 drives the floating grinding wheel 310 to elastically swing in the vertical plane, so that the floating follow profiling grinding operation of the floating grinding wheel 310 on the workpiece 600 to be ground in the vertical plane is realized; during the floating polishing operation, the radial dimension from the polishing point of the workpiece 600 to be polished, which is not a revolution body, to the rotation axis is continuously increased or decreased, and the floating grinding wheel 310 elastically swings up and down along with the radial dimension change of the polishing point, so that the floating grinding wheel 310 is always abutted against the workpiece 600 to be polished and maintains a relatively constant polishing force.

Preferably, as shown in fig. 3 and 4, the floating head mechanism 320 includes a torsion spring 321, an indexing cap 322, a rotation shaft 323, and a mounting block 324, wherein one end of the rotation shaft 323 is a rotation connection end, and the other end is a fixed connection end, and the fixed connection end is fixedly connected with a driving motor 325, for example: the fixed connection end is sleeved on the shell of the driving motor 325 and is fixedly connected with the shell of the driving motor 325 by welding; the floating grinding wheel 310 is detachably connected to a power output shaft of the driving motor 325, so that the floating grinding wheel 310 is driven to rotate along the axis by the driving motor 325; the middle part of the rotating shaft 323 is rotatably connected in the mounting through hole 326 of the mounting block 324 through a bearing, the mounting through hole 326 is arranged along the horizontal direction, and the rotating connecting end of the rotating shaft 323 extends out of the mounting through hole 326; the indexing cap 322 covers the outer side of the rotating connecting end of the rotating shaft 323 and is connected with the mounting block 324, the torsion spring 321 is arranged between the indexing cap 322 and the rotating shaft 323 in a spiral mode, one end of the inner side of the torsion spring 321 is fixedly connected with the rotating shaft 323, one end of the outer side of the torsion spring 321 is fixedly connected with the indexing cap 322, the torsion spring 321 is used for controlling the rotating angle of the rotating shaft 323, and the elastic swing amplitude of the floating grinding wheel 310 is adjusted. So set up, be equipped with helical torsional spring 321 between axis of rotation 323 and index cap 322, after the butt back of floating emery wheel 310 and work piece 600 that waits to polish, floating emery wheel 310 upwards swings and drives axis of rotation 323 rotation under the effect of the butt force F1 of work piece 600 that waits to polish, the rotation of axis of rotation 323 impels torsional spring 321 to take place elastic deformation, and the elastic deformation of torsional spring 321 can exert a downward elasticity F2 to axis of rotation 323, the variable quantity of butt force F1 (the change of the radial dimension of work piece 600 that waits to polish can lead to the butt force F1 of work piece 600 to wait to polish to float emery wheel 310) can be offset to keep a nearly invariable polishing force between floating emery wheel 310 and the work piece 600 that waits to polish.

More preferably, as shown in fig. 3 and 4, the floating head mechanism 320 further includes a positioning rod 327 for positioning the indexing cap 322, the indexing cap 322 is rotatably covered on the end of the rotating shaft 323, and the torsion spring 321 is spirally connected between the indexing cap 322 and the rotating shaft 323; a plurality of indexing holes 328 are circumferentially and uniformly distributed on the outer circumferential surface of the indexing cap 322, and a positioning rod 327 is axially movably arranged on the mounting block 324, so that the end part of the positioning rod 327 is inserted into the indexing holes 328 to fix the position of the indexing cap 322. The positioning rod 327 may be axially movable by any known mechanical structure, such as: a connection plate is welded to one side of the mounting block 324, one end of the connection plate extending outwards is provided with a threaded hole, the positioning rod 327 is a bolt, the bolt is in threaded connection with the threaded hole of the connection plate, and the end of the screw rod is inserted into the indexing hole 328 of the indexing cap 322. The positioning rod 327 capable of axially moving is arranged on one side of the mounting block 324, when the polishing force of the floating grinding wheel 310 to the workpiece 600 to be polished needs to be adjusted, the end part of the positioning rod 327 can be pulled out of the indexing hole 328 of the indexing cap 322, then the indexing cap 322 is manually rotated, the upward elastic swinging amplitude of the floating grinding wheel 310 is adjusted to a proper position through the elastic deformation of the torsion spring 321, and then the end part of the positioning rod 327 is inserted into the indexing hole 328 of the indexing cap 322, so that the adjustment and fixation of the elastic swinging amplitude of the floating grinding wheel 310 in a vertical plane are realized, and the polishing force of the floating grinding wheel 310 to the workpiece 600 to be polished is further kept in a proper range; meanwhile, the automatic adjustment of the polishing force of the floating grinding wheel 310 to the workpiece 600 to be polished is realized, so that the device is suitable for polishing irregular axle housing parts.

In one embodiment, as shown in fig. 4, the floating polishing portion 300 further includes a force measuring mechanism 330 for detecting the polishing force of the floating grinding wheel 310 on the workpiece 600 to be polished, so as to assist in adjusting the elastic swing amplitude of the floating grinding wheel 310 in the vertical plane. By arranging the force measuring mechanism in the floating grinding part 300, the visual of the grinding force of the floating grinding wheel 310 on the workpiece 600 to be ground is realized, and the upward elastic swing amplitude of the floating grinding wheel 310 is convenient for a worker to adjust according to the requirement.

The force measuring mechanism 330 may be any force measuring mechanism 330 with a known structure, so that the force measuring mechanism 330 is an angle sensor, and the rotation angle of the rotation shaft 323 is detected by the angle sensor to indirectly obtain the polishing force of the floating grinding wheel 310 on the workpiece 600 to be polished. In the following, a mechanical force measuring structure will be described in detail by way of illustrative example only, and as shown in fig. 4, the force measuring mechanism 330 includes a rotating block 331, a lifting rod 332 and a force sensor 333, the rotating block 331 is fixedly connected to the middle part of the rotating shaft 323, and when the rotating shaft 323 is rotatably connected to the mounting through hole 326 of the mounting block 324, the rotating block 331 is located in the mounting through hole 326 and can rotate synchronously with the rotating shaft 323; the installation piece 324 top is equipped with dodges the hole with the installation through-hole 326 intercommunication, and lifter 332 liftable setting is in dodging the hole, and lifter 332's bottom and turning block 331 butt, and lifter 332's top is connected with force sensor 333. So set up, in the rotation process of the rotation shaft 323, the rotation block 331 rotates synchronously along with the rotation shaft 323, and since the bottom end of the lifting rod 332 abuts against the rotation block 331, the lifting rod 332 ascends or descends along with the rotation block 331, and the force sensor 333 detects the deformation force F2 of the torsion spring 321 according to the movement of the top end of the lifting rod 332, that is, indirectly detects the polishing force of the floating grinding wheel 310 on the workpiece 600 to be polished.

Preferably, the rotating block 331 is a cam. So configured, the measurement structure of force measuring mechanism 330 is more accurate.

In one embodiment, as shown in fig. 3 and 5, the floating polishing section 300 further includes a lifting mechanism 340 connected to the floating head mechanism 320 for driving the floating grinding wheel 310 to lift. So set up, drive the rising or descending of floating emery wheel 310 through elevating system 340, can realize the automatic rising of floating emery wheel 310, not only be convenient for wait to polish work piece 600 in the shift-in of polishing the station, still be convenient for realize the whole automation of the floating operation of polishing of axle housing class part.

The lifting mechanism 340 may be any mechanical structure having a lifting function and known in the art, such as a lifting hydraulic cylinder. One elevating mechanism 340 will be described in detail below by way of illustrative example only, the elevating mechanism 340 comprising an upper fixed plate 341, a lower fixed plate 342, a vertical screw 343, an elevating slider 344, a connecting plate 345, a guide plate 346, and a driver 347; the connection plate 345 and the guide plate 346 are arranged in parallel in the vertical direction, and the top ends of the connection plate 345 and the guide plate 346 are fixedly connected with the upper fixed plate 341, and the bottom ends of the connection plate 345 and the guide plate 346 are fixedly connected with the lower fixed plate 342; the top end of the vertical screw 343 is rotatably connected with the upper fixed plate 341, and the bottom end is rotatably connected with the lower fixed plate 342; the lifting sliding block 344 is sleeved on the guide plate 346, the lifting sliding block 344 is guided to ascend and descend by the guide plate 346, a threaded through hole is formed in the lifting sliding block 344, and the vertical screw 343 is in threaded connection with the threaded through hole so as to realize the ascending and descending of the lifting sliding block 344 through the rotation of the vertical screw 343; the driving member 347 is provided on the upper fixed plate 341, and the driving member 347 is drivingly connected to the top end of the vertical screw 343 to drive the vertical screw 343 to rotate by the driving member 347.

Specifically, when the driving member 347 is a rotating handle, the device is a semiautomatic deburring polishing device, a worker is required to manually operate the rotating handle, and the lifting sliding block 344 is driven to lift or descend through the rotation of the vertical screw 343, so that the floating grinding wheel 310 is lifted and lowered, so that the clamping part 100 can be moved in and out of the polishing station. When the driving piece 347 is a servo motor, the device is a full-automatic deburring polishing device, and a worker can control the servo motor to drive the vertical screw 343 to rotate through the control machine 700, and drive the floating grinding wheel 310 to ascend or descend through the lifting sliding block 344, so that the clamping part 100 can conveniently move in and out of the polishing station.

In one embodiment, as shown in fig. 2, the apparatus further includes a table 500, where the table 500 is used to support and fix the clamping portion 100 and the floating polishing portion 300; the workbench 500 is plate-shaped and is arranged along the horizontal direction, a first mounting groove hole and a second mounting groove hole are formed in the workbench 500, and the first mounting groove hole and the second mounting groove hole are long groove holes and are arranged in parallel; the clamping part 100 is installed in the first installation slot, and the clamping part 100 can slide back and forth along the length direction of the first installation slot under the driving of the first driving part 200, so that the clamping part 100 moves between the feeding station and the polishing station. The second driving portion 400 is mounted in the second mounting slot, and the second driving portion 400 includes a translational sliding block 405, where the translational sliding block 405 can slide reciprocally along the length direction of the second mounting hole, and the translational sliding block 405 is connected to the floating polishing portion 300 and is used to drive the floating polishing portion 300 to move in the horizontal direction, so as to adjust the distance between the floating grinding wheel 310 and the workpiece 600 to be polished.

Preferably, as shown in fig. 2, the apparatus further includes a housing 900, the housing 900 is covered outside the clamping part 100, the first driving part 200, the floating polishing part 300 and the second driving part 400, and the table 500 is disposed in the middle of the housing 900 and fixedly connected with the housing 900. By arranging the outer shell 900 outside the clamping part 100 and the floating polishing part 300, dust generated in the floating polishing operation process can be limited in the outer shell 900, the dust is prevented from drifting into the surrounding environment, the influence on the production environment is reduced, the later dust treatment is convenient, and the clean and sanitary production environment is ensured.

More preferably, as shown in fig. 2, the apparatus further includes a dust collector 800, the dust collector 800 is disposed at one side of the housing 900, and an air inlet of the dust collector 800 is communicated with an inner cavity of the housing 900, for collecting dust generated during the floating polishing operation, so as to facilitate dust treatment and ensure clean and sanitary production environment.

In one embodiment, as shown in fig. 6, the clamping portion 100 includes a fixing plate 101, a running plate 102, a carrying table 103 and a driving chuck 104, the fixing plate 101 is a long plate, a guiding long slot 105 is provided on the fixing plate 101, and the fixing plate 101 is fixedly disposed on a first mounting slot of the workbench 500; the running plate 102 is a square plate, and the running plate 102 is slidably connected with the guide long slot 105, so that the running plate 102 can reciprocate along the length direction of the fixed plate 101; the sliding connection manner between the running board 102 and the guiding slot 105 is in the prior art, and will not be described herein. The bearing table 103 is rotatably arranged on the running plate 102, so that the bearing table 103 can rotate in a horizontal plane, and the bearing table 103 is provided with a step-shaped through hole for positioning the workpiece 600 to be polished; the driving chuck 104 is coaxially arranged below the bearing table 103, and the driving chuck 104 is fixedly connected with the bearing table 103 and is used for clamping and fixing the workpiece 600 to be polished and driving the workpiece 600 to be polished to rotate. So set up, on the material loading station, the manual work will wait to polish work piece 600 and put into the through-hole of plummer 103 along vertical direction after, wait to polish the round of work piece 600 and the round of through-hole and form the backstop cooperation, realize waiting to polish work piece 600 in vertical direction's location, then drive chuck 104 presss from both sides tightly wait to polish work piece 600, first drive portion 200 drive clamping part 100 is moved to the station of polishing by the material loading station after, realize waiting to polish work piece 600 in the horizontal direction's location, drive chuck 104 drives wait to polish work piece 600 and rotate around self axis, so as to carry out the floating operation of polishing.

In a specific embodiment, as shown in fig. 6, the first driving part 200 is disposed below the workbench 500, the first driving part 200 includes a telescopic cylinder 201, a first guide rail 202 and a moving support plate 203, the driving chuck 104 of the clamping part 100 is disposed on the moving support plate 203, the moving support plate 203 is disposed along a horizontal direction, and the telescopic cylinder 201 and the first guide rail 202 are fixedly disposed at both sides of the moving support plate 203; the movable support plate 203 is slidably connected to the first guide rail 202, and the movable end of the telescopic cylinder 201 is fixedly connected to the movable support plate 203, and the movable support plate 203 is driven to move along the length direction of the first guide rail 202 by the extension and shortening of the telescopic cylinder 201. So set up, establish clamping part 100 on removing backup pad 203, remove backup pad 203 and first guide rail 202 along horizontal direction sliding connection, the extension and the shortening of accessible telescopic cylinder 201 drive remove backup pad 203 reciprocating motion in the horizontal plane, and then drive clamping part 100 reciprocating motion between material loading station and polishing station through removing backup pad 203.

Preferably, the telescopic cylinder 201 is a hydraulic cylinder.

In a specific embodiment, as shown in fig. 7, the second driving part 400 includes a servo motor 401, a horizontal screw 402, a mounting plate 403, a second guide rail 404, and a translational sliding block 405, and the mounting plate 403 is fixedly disposed right under the second mounting slot of the workbench 500 in the horizontal direction; the servo motor 401 is fixedly arranged at one end of the mounting plate 403, two second guide rails 404 are arranged at two sides of the mounting plate 403 in parallel, the horizontal screw 402 is arranged above the mounting plate 403 along the length direction of the mounting plate 403, and one end of the horizontal screw 402 is in transmission connection with the servo motor 401 so that the horizontal screw 402 can rotate around an axis; the translation sliding block 405 is slidably connected with the second guide rail 404 along the horizontal direction, and the horizontal screw rod 402 penetrates through the translation sliding block 405 and is in threaded connection with the translation sliding block 405, so that the translation sliding block 405 is driven to move along the second guide rail 404 through rotation of the horizontal screw rod 402. So configured, the second driving portion 400 has two functions, the first is: the second driving part 400 drives the floating grinding wheel 310 of the floating grinding part 300 to move in the horizontal direction, so that the floating grinding wheel 310 moves from the inner side of the bowl opening of the shaft housing part to the outer side, or the floating grinding wheel 310 moves from the outer side of the bowl opening of the shaft housing part to the inner side. The second is: the servo motor 401 can be controlled to rotate through the control machine 700, the reciprocating movement of the translation sliding block 405 in the horizontal direction is precisely controlled, the translation sliding block 405 drives the floating grinding wheel 310 of the floating grinding part 300 to be far away from or close to the rotating workpiece 600 to be ground, the precise control of the reciprocating movement of the floating grinding wheel 310 in the horizontal direction is realized, the profiling follow grinding operation of the floating grinding wheel 310 in the horizontal direction is realized, the chamfering forming operation of the inner side and the outer side of a bowl opening of the workpiece 600 to be ground is realized, and the chamfering quality is ensured. Wherein, the displacement variation of the floating grinding wheel 310 during the reciprocating movement in the horizontal plane is controlled by the controller 700 to be the same as the radial dimension variation of the grinding point on the workpiece 600 to be ground.

It should be noted that, in the present application, the floating of the floating grinding wheel 310 may be in a horizontal plane or a vertical plane; the floating polishing part 300 in the application can enable the floating grinding wheel 310 to perform floating following profiling polishing operation in the vertical plane on the workpiece 600 to be polished, and the second driving part 400 can enable the floating grinding wheel 310 to perform floating following profiling polishing operation in the horizontal plane on the workpiece 600 to be polished. Wherein, when the floating follower profile grinding operation in the vertical plane and the floating follower profile grinding operation in the horizontal plane of the workpiece 600 to be ground exist simultaneously, the floating grinding wheel 310 has the best floating grinding effect on the workpiece 600 to be ground.

In one embodiment, as shown in fig. 2, the apparatus further comprises a controller 700, wherein the controller 700 is used for automatically controlling the floating follow profile grinding of the workpiece 600 to be ground by the floating grinding wheel 310; the control machine 700 is electrically connected with the floating polishing part 300 and is used for displaying the polishing force of the floating grinding wheel 310 to the workpiece 600 to be polished, which is detected by the force measuring mechanism 330, in real time, so as to realize visual observation of polishing effect in the floating polishing operation process. The control machine 700 is electrically connected with the second driving part 400, and is used for accurately controlling the floating grinding wheel 310 to be far away from or close to the workpiece 600 to be polished, realizing the profiling follow polishing operation of the floating grinding wheel 310 in the horizontal direction, and simultaneously completing the chamfering forming operation of the inner side and the outer side of the bowl opening of the workpiece 600 to be polished. The control machine 700 is electrically connected with the first driving part 200 and is used for controlling the workpiece 600 to be polished to move between the polishing station and the feeding workpiece.

when burrs on the inner side of the bowl opening of the workpiece 600 to be polished are removed, the floating grinding wheel 310 is abutted against the inner side of the bowl opening of the workpiece 600 to be polished by lifting the floating polishing part 300, and the included angle between the axis of the floating grinding wheel 310 and the horizontal plane is 5 degrees; the workpiece 600 to be polished is driven to rotate clockwise through the clamping part 100, the floating grinding wheel 310 is driven to rotate anticlockwise through the floating polishing part 300, and floating polishing operation in the vertical direction or floating polishing operation in the horizontal direction is carried out on the inner side of the bowl opening of the workpiece 600 to be polished;

when burrs outside the bowl opening of the workpiece 600 to be polished are removed, the floating grinding wheel 310 is abutted with the outer side of the bowl opening of the workpiece 600 to be polished by lifting the floating polishing part 300, and the included angle between the axis of the floating grinding wheel 310 and the horizontal plane is 5 degrees; the workpiece 600 to be polished is driven to rotate anticlockwise by the clamping part 100, the floating grinding wheel 310 is driven to rotate anticlockwise by the floating polishing part 300, and floating polishing operation in the vertical direction or floating polishing operation in the horizontal direction is carried out on the outer side of the bowl opening of the workpiece 600 to be polished.

The use process of the tool disclosed by the invention is as follows:

before floating polishing operation, the floating grinding wheel 310 needs to be lifted up by the lifting mechanism 340 of the floating polishing part 300, then the upward elastic swing amplitude of the floating grinding wheel 310 is adjusted according to the radial size of the workpiece 600 to be polished, and the index cap 322 is rotated clockwise to reduce the upward elastic swing amplitude of the floating grinding wheel 310, namely to increase the polishing force of the floating grinding wheel 310 on the workpiece 600 to be polished; rotating indexing cap 322 counterclockwise increases the upward elastic oscillation amplitude of floating abrasive wheel 310, i.e., decreases the polishing force of floating abrasive wheel 310 on workpiece 600 to be polished; when the lifting mechanism 340 of the floating grinding section 300 lowers the floating grinding wheel 310 to the grinding position, the force measuring mechanism 330 can detect a specific value of the grinding force.

When floating polishing operation is performed, in order to ensure the burr removal effect, the shaft housing part needs to rotate clockwise when the inner side of the bowl opening is chamfered; when the outer side of the bowl opening is chamfered, the shaft housing part needs to rotate anticlockwise. The clamping part 100 drives the shaft housing part to rotate, and the floating grinding wheel 310 can eliminate burrs on the inner side and the outer side of the bowl opening of the part through floating profiling following processing chamfer.

In order to ensure the product quality, reduce the influence of the abrasion of the floating grinding wheel 310 on the chamfering molding, ensure the uniformity of chamfering and the consistency of part processing, increase the abrasion compensation program action of the floating grinding wheel 310, compensate each abrasion of 0.02mm of the floating grinding wheel into the program position, namely add the compensation program in the driving program of the second driving part 400, for adjusting the floating profiling follow-up polishing operation of the floating grinding wheel 310 in the horizontal direction, and enable each floating grinding wheel 310 to perform the floating follow-up profiling polishing operation on 500 workpieces 600 to be polished.

Compared with the prior art, the application has the following beneficial technical effects:

the floating grinding wheel 310 with automatic profiling following is used for deburring, and the deburring machine can be popularized to various special-shaped parts and is applicable to inner hole internal corner treatment, irregular shape parts and parts with large shape tolerance.

Compare in manual polishing operation, the floating polishing device of this application can use manpower sparingly, and the product chamfer is even, and part uniformity after the burring is high and stable in quality.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims

1. The utility model provides a axle housing class work piece burring is with floating grinding device which characterized in that includes:

the clamping part (100), the clamping part (100) is used for clamping and fixing a workpiece (600) to be polished and driving the workpiece (600) to be polished to rotate around the axis of the workpiece, and the clamping part (100) is provided with a feeding station and a polishing station;

the first driving part (200), the first driving part (200) is connected with the clamping part (100), and the first driving part (200) is used for driving the clamping part (100) to move between the feeding station and the polishing station;

the floating polishing part (300) is arranged above the polishing station in a lifting manner, the floating polishing part (300) comprises a floating grinding wheel (310), and the floating grinding wheel (310) is used for carrying out floating polishing operation on the workpiece (600) to be polished;

and the second driving part (400), the second driving part (400) is connected with the floating polishing part (300), and the second driving part (400) is used for adjusting the distance between the floating grinding wheel (310) and the workpiece (600) to be polished.

2. A floating grinding device for deburring of shaft-housing like workpieces according to claim 1, characterized in that said floating grinding section (300) comprises a floating head mechanism (320) for elastically swinging said floating grinding wheel (310) to adjust the grinding force of said floating grinding wheel (310) on said workpiece (600) to be ground;

the floating head mechanism (320) comprises a torsion spring (321), an indexing cap (322), a rotating shaft (323) and a mounting block (324), one end of the rotating shaft (323) is fixedly connected with a driving motor (325), and the floating grinding wheel (310) is in transmission connection with the driving motor (325); the rotating shaft (323) is rotatably connected in a mounting through hole (326) of the mounting block (324), the indexing cap (322) is covered on the other end of the rotating shaft (323), and the torsion spring (321) is spirally connected between the indexing cap (322) and the rotating shaft (323).

3. The floating polishing device for deburring of shaft-housing workpieces according to claim 2, wherein the floating head mechanism (320) further comprises a positioning rod (327), indexing holes (328) are uniformly distributed on the outer circumference surface of the indexing cap (322), and the positioning rod (327) is axially movably arranged on the mounting block (324) so that the end portion of the positioning rod (327) is inserted into the indexing holes (328).

4. A floating grinding device for deburring shaft-shell type workpieces according to claim 2, characterized in that said floating grinding section (300) further comprises a force measuring mechanism (330) for detecting the grinding force of said floating grinding wheel (310) on said workpiece (600) to be ground;

the force measuring mechanism (330) comprises a rotating block (331), a lifting rod (332) and a force sensor (333), wherein the rotating block (331) is fixedly connected with the rotating shaft (323) and is arranged in the mounting through hole (326); the mounting block (324) is provided with an avoidance hole communicated with the mounting through hole (326), the lifting rod (332) is arranged in the avoidance hole in a lifting manner, the bottom end of the lifting rod (332) is abutted to the rotating block (331), and the top end of the lifting rod (332) is connected with the force sensor (333).

5. The floating polishing device for deburring of axle housing type workpieces according to claim 1, characterized in that the clamping part (100) comprises a fixed plate (101), a running plate (102), a bearing table (103) and a driving chuck (104), wherein a guiding long slot hole (105) is formed in the fixed plate (101), the running plate (102) is slidably connected with the guiding long slot hole (105), the bearing table (103) is rotatably arranged on the running plate (102), and a step-shaped through hole for positioning the workpiece (600) to be polished is formed in the bearing table (103); the driving chuck (104) is coaxially arranged below the bearing table (103) and connected with the bearing table (103) and is used for clamping and fixing the workpiece (600) to be polished and driving the workpiece (600) to be polished to rotate.

6. The floating polishing device for deburring of shaft-housing workpieces according to claim 1, wherein the first driving part (200) comprises a telescopic cylinder (201), a first guide rail (202) and a movable support plate (203), the clamping part (100) is arranged on the movable support plate (203), the movable support plate (203) is slidably connected to the first guide rail (202), and the movable end of the telescopic cylinder (201) is fixedly connected with the movable support plate (203) so as to drive the movable support plate (203) to move along the length direction of the first guide rail (202) through the extension and shortening of the telescopic cylinder (201).

7. The floating polishing device for deburring of shaft-housing workpieces according to claim 1, wherein the second driving part (400) comprises a servo motor (401), a horizontal screw rod (402), a mounting plate (403), a second guide rail (404) and a translation sliding block (405), the servo motor (401) and the second guide rail (404) are fixedly arranged on the mounting plate (403), the horizontal screw rod (402) is rotatably arranged above the mounting plate (403) and is in transmission connection with the servo motor (401), and the translation sliding block (405) is in threaded connection with the horizontal screw rod (402) and is in sliding connection with the second guide rail (404).

8. The floating grinding device for deburring of shaft housing type workpieces according to claim 1, further comprising a housing (900), a workbench (500) and a dust collector (800), wherein a first mounting slot and a second mounting slot are arranged on the workbench (500) in parallel, the clamping part (100) is mounted in the first mounting slot, and the second driving part (400) is mounted in the second mounting slot;

the shell (900) is covered outside the clamping part (100), the first driving part (200), the floating polishing part (300) and the second driving part (400);

the dust collector (800) is arranged on one side of the shell (900), and an air inlet of the dust collector (800) is communicated with an inner cavity of the shell (900).

9. A floating grinding device for deburring shaft housing type workpieces according to claim 1, characterized in that said device further comprises a control machine (700); the control machine (700) is electrically connected with the floating polishing part (300) and is used for displaying the polishing force of the floating grinding wheel (310) on the workpiece (600) to be polished;

the control machine (700) is electrically connected with the second driving part (400) and is used for controlling the floating grinding wheel (310) to be far away from or close to the workpiece (600) to be polished;

the control machine (700) is electrically connected with the first driving part (200) and is used for controlling the workpiece (600) to be polished to move between the polishing station and the feeding workpiece.

10. A method for deburring shaft housing workpieces, characterized in that the method uses a floating grinding device for deburring shaft housing workpieces according to any one of claims 1 to 9, the method comprising the steps of:

the clamping part (100) drives the workpiece (600) to be polished to rotate clockwise, the floating grinding wheel (310) is driven to rotate by the floating polishing part (300), and floating polishing operation is carried out on the inner side of the workpiece (600) to be polished;

the workpiece (600) to be polished is driven to rotate anticlockwise through the clamping part (100), the floating grinding wheel (310) is driven to rotate through the floating polishing part (300), and floating polishing operation is carried out on the outer side of the workpiece (600) to be polished.