CN212385216U - Automatic burnishing machine of centreless excircle - Google Patents
Automatic burnishing machine of centreless excircle Download PDFInfo
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- CN212385216U CN212385216U CN202021050876.4U CN202021050876U CN212385216U CN 212385216 U CN212385216 U CN 212385216U CN 202021050876 U CN202021050876 U CN 202021050876U CN 212385216 U CN212385216 U CN 212385216U
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Abstract
The utility model discloses a coreless excircle automatic polishing machine, which comprises a machine case, wherein the machine case is provided with a polishing unit and a feeding unit, and the polishing unit is positioned above the feeding unit; the feeding unit comprises a carrying platform, a horizontal driving mechanism, a rotating roller assembly, a braking mechanism and a limiting mechanism; the output end of the horizontal driving mechanism is connected with the carrying platform, and the horizontal driving mechanism drives the carrying platform to move along the horizontal direction; the rotating roller assembly and the braking mechanism are both arranged on the carrier, and the output end of the braking mechanism is opposite to the rotating roller assembly; the limiting mechanism is arranged above the rotating roller assembly; the application aims at providing an automatic burnishing machine of centreless excircle can lay or take out the work piece fast, carries out the effect of centreless excircle burnishing and polishing to the work piece, need not frequently dismantle the rotation to the work piece, improves the efficiency of polishing.
Description
Technical Field
The utility model relates to a hardware processing technology field especially relates to an automatic burnishing machine of centreless excircle.
Background
In the hardware production process, usually, polishing of an outer circle of a metal workpiece is needed, the workpiece is generally penetrated or fixed on a rotating shaft in the prior art, then the outer circle of the workpiece is manually polished through a polishing machine or a worker, manual polishing is carried out, although the operation is convenient, the problem of low efficiency exists, the polishing machine polishes, in order to prevent the workpiece from falling off, the workpiece generally adopts a fixed structure, if one end of the workpiece is clamped tightly, the other end of the workpiece is polished, then after the workpiece is released and rotated, the end which is clamped at the beginning is polished, the problem of complex workpiece installation exists, and the same efficiency is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic burnishing machine of centreless excircle can lay or take out the work piece fast, carries out the effect of centreless excircle burnishing and polishing to the work piece, does not need frequently to dismantle the rotation to the work piece, improves the efficiency of polishing.
To achieve the purpose, the utility model adopts the following technical proposal: the coreless outer circle automatic polishing machine comprises a machine case, wherein the machine case is provided with a polishing unit and a feeding unit, and the polishing unit is positioned above the feeding unit; the feeding unit comprises a carrying platform, a horizontal driving mechanism, a rotating roller assembly, a braking mechanism and a limiting mechanism; the output end of the horizontal driving mechanism is connected with the carrying platform, and the horizontal driving mechanism drives the carrying platform to move along the horizontal direction; the rotating roller assembly and the braking mechanism are both arranged on the carrier, and the output end of the braking mechanism is opposite to the rotating roller assembly; the limiting mechanism is arranged above the rotating roller assembly and used for limiting a grinding workpiece.
Preferably, the rotating roller assembly comprises a mounting seat, a first rotating roller, a second rotating roller, a first gear, a second gear and a third gear; the mounting seats are arranged on the carrier, the two mounting seats are arranged on the carrier at intervals, the first rotating roller and the second rotating roller are rotatably erected between the two mounting seats, the first gear is connected with a rotating shaft of the first rotating roller, the second gear is connected with a rotating shaft of the second rotating roller, the third gear is arranged on the mounting seats, the first gear is meshed with the third gear, and the second gear is meshed with the third gear.
Preferably, the braking mechanism comprises a braking cylinder, an elastic braking part and a braking connecting sleeve; the brake cylinder is arranged on the carrier, one end of the elastic brake member is connected with the output end of the brake cylinder, the brake connecting sleeve is arranged on the first rotating roller, and the other end of the elastic brake member is opposite to the brake connecting sleeve.
Preferably, an inverted L-shaped baffle is formed at the upper end of the mounting seat, the L-shaped baffle is matched with the side wall of the mounting seat to form a limiting groove, and the upper end of the first gear and the upper end of the second gear are both located in the limiting groove.
Preferably, stop gear includes the mounting hole, the groove of stepping down, gag lever post, operating portion, locking seat and spacing breach, the mounting hole is provided with two, and two the mounting hole interval sets up one of them the mount pad, the groove of stepping down sets up another the mount pad, the gag lever post is provided with two, two the one end of gag lever post is erect the groove of stepping down, two the other end of gag lever post passes and corresponds the mounting hole, the operating portion sets up passing of gag lever post the one end of mounting hole, the one end of locking seat articulate in the mount pad, spacing breach sets up the other end of locking seat, spacing breach with the operating portion suits.
Preferably, the case is provided with a horizontal guide rail, the carrier is slidably connected to the horizontal guide rail, the horizontal driving mechanism is a horizontal cylinder, the horizontal cylinder is arranged on the case, and an output end of the horizontal cylinder is connected with the carrier.
Preferably, the polishing unit comprises a polishing driving motor, a polishing driving wheel, a polishing driven wheel, a polishing tensioning wheel, a polishing abrasive belt, a pressing table and a longitudinal driving mechanism; the polishing driving motor is arranged in the case, the polishing driving wheel is connected with the output end of the polishing driving motor, the polishing driven wheel and the polishing tensioning wheel are arranged in the case, the polishing driving wheel, the polishing driven wheel and the polishing tensioning wheel are distributed in a shape like a Chinese character 'pin', and the polishing abrasive belt is sleeved among the polishing driving wheel, the polishing driven wheel and the polishing tensioning wheel; the pressing table is movably arranged on the case, is positioned above the rotating roller assembly and is positioned on the inner side of the sanding belt, the pressing table is connected with the output end of the longitudinal driving mechanism, and the longitudinal driving mechanism drives the pressing table to reciprocate along the vertical direction.
Preferably, the longitudinal driving mechanism comprises a longitudinal guide rail, a sliding seat, a servo motor, a coupling, a ball screw and a nut; the longitudinal guide rail is arranged in the case along the vertical direction, the sliding seat is connected to the longitudinal guide rail in a sliding mode, the nut is arranged on the sliding seat, the servo motor is arranged in the case, one end of the ball screw is connected with the output end of the servo motor through a coupler, and the other end of the ball screw is in threaded connection with the nut; the pressing table is connected with the sliding seat.
Preferably, the polishing machine further comprises a lifting cylinder and a fixing seat, the lifting cylinder is arranged on the case, the fixing seat is connected with the output end of the lifting cylinder, and the polishing tensioning wheel is rotatably installed in the fixing seat.
Preferably, the horizontal adjusting mechanism is arranged on the fixed seat and comprises a strip-shaped groove, a self-aligning ball bearing, an installation shaft, an adjusting screw and an operating handle; the self-aligning ball bearing is installed on the fixed seat, the strip-shaped groove is formed in the fixed seat and is opposite to the self-aligning ball bearing, one end of the installation shaft is connected with the self-aligning ball bearing, the other end of the installation shaft penetrates through the strip-shaped groove and is supported by the adjusting screw, the adjusting screw is in threaded fit with the fixed seat, and the operating handle is connected to the lower end of the adjusting screw; the grinding tensioning wheel is rotatably arranged on the mounting shaft.
This application adopts above-mentioned structure, and the work piece of treating to polish is placed on the live-rollers subassembly, and horizontal drive mechanism drive microscope carrier will be moved the live-rollers subassembly to the below of the unit of polishing, and the unit of polishing is polished to the work piece on the live-rollers subassembly to accomplish the work of polishing of work piece. The rotating roller assembly enables the workpiece to roll on the rotating roller assembly, so that automatic grinding of the outer circle of the workpiece is completed. The efficiency of laying and taking out of work piece is improved, easy operation and swift. Meanwhile, the limiting mechanism is arranged to effectively limit the polishing workpiece, so that the workpiece is prevented from jumping out of the rotating roller assembly in the polishing process.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the rotating roller assembly of the present invention;
fig. 3 is a schematic structural view of the locking seat of the present invention;
FIG. 4 is a schematic cross-sectional view of the turning roll assembly of the present invention;
fig. 5 is a schematic structural view of the longitudinal driving mechanism of the present invention;
FIG. 6 is a schematic structural view of the horizontal adjustment mechanism of the present invention;
fig. 7 is a schematic structural view of the polishing unit of the present invention.
Wherein: a case 1, a horizontal guide rail 11;
the polishing device comprises a polishing unit 2, a polishing driving motor 21, a polishing driving wheel 22, a polishing driven wheel 23, a polishing tension wheel 24, a polishing abrasive belt 25 and a pressing platform 26;
the longitudinal driving mechanism 27, the longitudinal guide rail 271, the sliding seat 272, the servo motor 273, the ball screw 274 and the nut 275;
a lifting cylinder 28 and a fixed seat 29;
the horizontal adjusting mechanism 210, the strip-shaped groove 2101, the self-aligning ball bearing 2102, the mounting shaft 2103, the adjusting screw 2104 and the operating handle 2105;
a feeding unit 3, a stage 31, and a horizontal driving mechanism 32;
a rotating roller assembly 33, a mounting seat 331, an L-shaped baffle 3311, a limit groove 3312; a first rotating roller 332, a second rotating roller 333, a first gear 334, a second gear 335, and a third gear 336;
the braking mechanism 34, the braking cylinder 341, the elastic braking member 342 and the braking connecting sleeve 343;
the limiting mechanism 35, the mounting hole 351, the abdicating groove 352, the limiting rod 353, the operating part 354, the locking seat 355 and the limiting notch 356.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 to 7, the coreless cylindrical automatic polishing machine of the embodiment includes a machine case 1, the machine case 1 is provided with a polishing unit 2 and a feeding unit 3, and the polishing unit 2 is located above the feeding unit 3.
The feeding unit 3 includes a stage 31, a horizontal driving mechanism 32, a rotating roller assembly 33, a braking mechanism 34, and a limiting mechanism 35.
An output end of the horizontal driving mechanism 32 is connected to the stage 31, and the horizontal driving mechanism 32 drives the stage 31 to move in the horizontal direction.
The rotating roller assembly 33 and the brake mechanism 34 are both arranged on the carrier 31, and the output end of the brake mechanism 34 is opposite to the rotating roller assembly 33;
the limiting mechanism 35 is arranged above the rotating roller assembly 33, and the limiting mechanism 35 is used for limiting a grinding workpiece.
With this configuration, the horizontal driving mechanism 32 drives the stage 31 to move in the horizontal direction, and moves the stage 31 closer to or farther from the lower side of the polishing unit 2. In this embodiment, the moving direction of the horizontal driving mechanism 32 and the moving direction of the grinding unit 2 are perpendicular to each other.
A workpiece to be ground is placed on the rotating roller assembly 33, the horizontal driving mechanism 32 drives the stage 31 to move the rotating roller assembly 33 to the lower side of the grinding unit 2, and the grinding unit 2 grinds the workpiece on the rotating roller assembly 33, thereby completing the grinding work of the workpiece. The workpiece can roll on the rotating roller assembly 33 through the cooperation of the rotating roller assembly 33 and the braking mechanism 34, so that the outer circle of the workpiece is automatically ground. Meanwhile, the limiting mechanism 35 is arranged to effectively limit the polishing workpiece, so that the workpiece is prevented from jumping out of the rotating roller assembly 33 in the polishing process.
Preferably, the rotating roller assembly 33 includes a mounting base 331, a first rotating roller 332, a second rotating roller 333, a first gear 334, a second gear 335, and a third gear 336.
The number of the mounting bases 331 is two, the two mounting bases 331 are arranged on the carrier 31 at intervals, the first rotating roller 332 and the second rotating roller 333 are rotatably erected between the two mounting bases 331, the first gear 334 is connected to a rotating shaft of the first rotating roller 332, the second gear 335 is connected to a rotating shaft of the second rotating roller 333, the third gear 336 is arranged on the mounting bases 331, the first gear 334 is meshed with the third gear 336, and the second gear 335 is meshed with the third gear 336.
By adopting the structure, the polishing unit 2 drives the workpiece to be polished to rotate through friction force, the rotating polishing workpiece drives the first rotating roller 332 to rotate, the first rotating roller 332 is driven by the first gear 334, the third gear 336 and the second gear 335 and drives the second rotating roller 333 to rotate, so that the first rotating roller 332 and the second rotating roller 333 keep rotating in the same direction, the workpiece can stably roll between the two rotating rollers, and the excircle of the workpiece is stably polished by the polishing unit 2.
In the present embodiment, the first rotating roller 332 and the second rotating roller 333 are parallel to the moving direction of the horizontal driving mechanism 32. To facilitate the installation of the first gear 334, the second gear 335 and the third gear 336, the first gear 334, the second gear 335 and the third gear 336 are installed on the outer side wall of the same installation base 331. Preferably, the first rotating roller 332 and the second rotating roller 333 are located at the same level, so that the workpiece can be stably rotated and prevented from jumping out.
Preferably, the braking mechanism 34 comprises a braking cylinder 341, an elastic braking member 342 and a braking connecting sleeve 343;
the brake cylinder 341 is disposed on the carrier, one end of the elastic brake member 34 is connected to an output end of the brake cylinder 341, the brake connecting sleeve 343 is disposed on the first rotating roller 332, and the other end of the elastic brake member 34 is opposite to the brake connecting sleeve 343.
With such a structure, the brake cylinder 341 adjusts the position of the elastic brake member 342, so that one end of the elastic brake member 342 contacts or separates from the brake connecting sleeve 343 to perform a braking function. The elastic braking member 342 plays a certain role in buffering, and the contact force between the elastic braking member 342 and the braking connecting sleeve 343 is larger when the braking cylinder 341 continuously extends, so that the braking purpose is achieved.
Preferably, an inverted L-shaped baffle 3311 is formed at the upper end of the mounting base 331, the L-shaped baffle 3311 and the side wall of the mounting base 331 cooperate to form a limiting groove 3312, and the upper end of the first gear 334 and the upper end of the second gear 335 are both located in the limiting groove 3312.
By adopting the structure, the limit groove 3312 plays a limiting role for the first gear 334 and the second gear 335, so that the first gear 334 and the second gear 335 are prevented from shifting in the rotating process, the situation that the first gear 334 and the second gear 335 cannot be meshed with the third gear 336 is avoided, and meanwhile, the L-shaped baffle 3311 can also play a role in keeping off dust, so that the dust is prevented from being accumulated to influence the rotation of the rotating shaft.
Preferably, the limiting mechanism 35 includes two mounting holes 351, a stepping groove 352, two limiting rods 353, an operating portion 354, a locking seat 355 and a limiting notch 356, the mounting holes 351 are provided with two, and the mounting holes 351 are spaced and arranged at one of the mounting seats 331, the stepping groove 352 is arranged at the other mounting seat 331, the two limiting rods 353 are provided with two ends, two of the limiting rods 353 are erected at one end of the stepping groove 352, the other end of the two limiting rods 353 passes through the corresponding mounting holes 351, the operating portion 354 is arranged at one end, passing through the mounting holes 351, of the limiting rods 353, one end of the locking seat 355 is hinged to the mounting seat 331, the limiting notch 356 is arranged at the other end of the locking seat 355, and the limiting notch is matched with the operating portion 354.
By adopting the structure, the distance between the two limiting rods 353 is smaller than the diameter of the workpiece to be polished, and the two limiting rods 353 are matched to play a limiting role so as to prevent the workpiece from jumping out of the rotating roller assembly 33. The limiting rod 353 can be drawn out from the mounting hole 351 through the operation portion 354, mounting and dismounting are facilitated, the limiting rod 353 on one side can be fixed in actual work, and placing or taking out of a workpiece can be completed by dismounting the limiting rod 353 on the other side. When the locking seat 355 is locked by rotation, the limiting notch 356 is clamped on the periphery of the operation portion 354 to block the operation portion 354 and prevent the limiting rod 353 from falling off.
Preferably, the case 1 is provided with a horizontal guide rail 11, the carrier 31 is slidably connected to the horizontal guide rail 11, the horizontal driving mechanism 32 is a horizontal cylinder, the horizontal cylinder is arranged in the case 1, and an output end of the horizontal cylinder is connected to the carrier 31.
By adopting the structure, the horizontal cylinder drives the carrying platform 31 to move along the length direction of the horizontal guide rail 11, the moving process is stable and quick, and the control precision is high.
Preferably, the grinding unit 2 comprises a grinding drive motor 21, a grinding drive wheel 22, a grinding driven wheel 23, a grinding tension wheel 24, a grinding belt 25, a pressing table 26 and a longitudinal drive mechanism 27.
The grinding driving motor 21 is arranged on the case 1, the grinding driving wheel 22 is connected with the output end of the grinding driving motor 21, the grinding driven wheel 23 and the grinding tensioning wheel 24 are arranged on the case 1, the grinding driving wheel 22, the grinding driven wheel 23 and the grinding tensioning wheel 24 are distributed in a shape like a Chinese character 'pin', and the grinding abrasive belt 25 is sleeved on the grinding driving wheel 22, the grinding driven wheel 23 and the grinding tensioning wheel 24.
The pressing table 26 is movably arranged on the chassis 1, the pressing table 26 is located above the rotating roller assembly 33, the pressing table 26 is located on the inner side of the sanding belt 25, the pressing table 26 is connected with the output end of the longitudinal driving mechanism 27, and the longitudinal driving mechanism 27 drives the pressing table 26 to reciprocate along the vertical direction.
By adopting the structure, the grinding driving motor 21 drives the grinding driving wheel 22 to rotate, the grinding driving wheel 22 drives the grinding driven wheel 23 to rotate through the grinding abrasive belt 25, and the grinding tension wheel 24 plays a role in tension adjustment. When the longitudinal driving mechanism 27 drives the pressing platform 26 to press down, the lower end surface of the pressing platform 26 is in sliding contact with the upper surface of the sanding belt 25, and the lower surface of the sanding belt 25 is in contact with the workpiece on the rotating roller assembly 33 for sanding.
Preferably, the longitudinal driving mechanism 27 includes a longitudinal guide 271, a sliding seat 272, a servo motor 273, a coupling, a ball screw 274, and a nut 275.
The longitudinal guide rail 271 is vertically arranged on the case 1, the sliding seat 272 is slidably connected to the longitudinal guide rail 271, the nut 275 is arranged on the sliding seat 272, the servo motor 273 is arranged on the case 1, one end of the ball screw 274 is connected with the output end of the servo motor 273 through a coupling, and the other end of the ball screw 274 is in threaded connection with the nut 275.
The pressing table 26 is connected to the sliding seat 272.
By adopting the structure, the longitudinal guide rail 271, the sliding seat 272, the servo motor 273, the ball screw 274 and the nut 275 are matched to realize the stable lifting of the sliding seat 272, so that the pressing platform 26 is driven to stably lift along the vertical direction, the grinding abrasive belt 25 can be ensured to be fully contacted with each workpiece, and the grinding effect is improved.
Preferably, the polishing machine further comprises a lifting cylinder 28 and a fixing seat 29, wherein the lifting cylinder 28 is arranged in the machine case 1, the fixing seat 29 is connected with an output end of the lifting cylinder 28, and the polishing tension wheel 24 is rotatably installed in the fixing seat 29.
By adopting the structure, the height position of the grinding tensioning wheel 24 is adjusted through the lifting cylinder 28, so that the grinding abrasive belt 25 can have different levels of tensioning degrees, and the grinding requirements of different workpieces are met.
Preferably, the horizontal adjusting mechanism 210 is further included, the horizontal adjusting mechanism 210 is arranged on the fixed seat 29, and the horizontal adjusting mechanism 210 includes a strip-shaped groove 2101, a self-aligning ball bearing 2102, a mounting shaft 2103, an adjusting screw 2104 and an operating handle 2105.
The self-aligning ball bearing 2102 is installed on the fixed seat 29, the strip-shaped groove 2101 is arranged on the fixed seat 29, the strip-shaped groove 2101 is opposite to the self-aligning ball bearing 2102, one end of the installation shaft 2103 is connected with the self-aligning ball bearing 2102, the other end of the installation shaft 2103 penetrates through the strip-shaped groove 2101 and is supported by the adjusting screw 2104, the adjusting screw 2104 is in threaded fit with the fixed seat 29, and the operating handle 2105 is connected to the lower end of the adjusting screw 2104.
The grinding tensioning wheel 24 is rotatably arranged on the mounting shaft 2103.
Adopt this kind of structure, rotate handle 2105, adjusting screw 2104's upper end drives installation axle 2103 and removes along vertical direction, cooperates self-aligning ball bearing 2102 to realize installing axle 2103's level (l) ing simultaneously to the realization is to the level (l) ing of polishing take-up pulley 24, conveniently adjusts the degree of contact of polishing take-up pulley 24 and sanding belt 25.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The coreless outer circle automatic polishing machine comprises a machine case and is characterized in that the machine case is provided with a polishing unit and a feeding unit, and the polishing unit is positioned above the feeding unit;
the feeding unit comprises a carrying platform, a horizontal driving mechanism, a rotating roller assembly, a braking mechanism and a limiting mechanism;
the output end of the horizontal driving mechanism is connected with the carrying platform, and the horizontal driving mechanism drives the carrying platform to move along the horizontal direction;
the rotating roller assembly and the braking mechanism are both arranged on the carrier, and the output end of the braking mechanism is opposite to the rotating roller assembly;
the limiting mechanism is arranged above the rotating roller assembly and used for limiting a grinding workpiece.
2. The coreless cylindrical automatic polishing machine of claim 1, wherein the rotating roller assembly includes a mount, a first rotating roller, a second rotating roller, a first gear, a second gear, and a third gear;
the mounting seats are arranged on the carrier, the two mounting seats are arranged on the carrier at intervals, the first rotating roller and the second rotating roller are rotatably erected between the two mounting seats, the first gear is connected with a rotating shaft of the first rotating roller, the second gear is connected with a rotating shaft of the second rotating roller, the third gear is arranged on the mounting seats, the first gear is meshed with the third gear, and the second gear is meshed with the third gear.
3. The coreless cylindrical automatic polishing machine according to claim 2, wherein the braking mechanism includes a braking cylinder, an elastic braking member and a braking connection sleeve;
the brake cylinder is arranged on the carrier, one end of the elastic brake member is connected with the output end of the brake cylinder, the brake connecting sleeve is arranged on the first rotating roller, and the other end of the elastic brake member is opposite to the brake connecting sleeve.
4. The coreless outer circle automatic polishing machine according to claim 2, wherein an inverted L-shaped baffle is formed at an upper end of the mounting base, the L-shaped baffle and a side wall of the mounting base cooperate to form a limiting groove, and an upper end of the first gear and an upper end of the second gear are both located in the limiting groove.
5. The automatic coreless outer circle polishing machine according to claim 2, wherein the limiting mechanism includes two mounting holes, two abdicating grooves, two limiting rods, two operating portions, two locking seats and two limiting notches, the two mounting holes are spaced from one another and are disposed on one of the mounting seats, the abdicating grooves are disposed on the other mounting seat, the two limiting rods are disposed on two ends of the two limiting rods, the two other ends of the two limiting rods penetrate through the corresponding mounting holes, the operating portions are disposed on one ends of the two limiting rods penetrating through the mounting holes, one ends of the locking seats are hinged to the mounting seats, the two limiting notches are disposed on the other ends of the locking seats, and the limiting notches are adapted to the operating portions.
6. The coreless outer circle automatic polishing machine according to claim 1, wherein the case is provided with a horizontal guide rail, the carrier is slidably connected to the horizontal guide rail, the horizontal driving mechanism is a horizontal cylinder, the horizontal cylinder is provided in the case, and an output end of the horizontal cylinder is connected to the carrier.
7. The coreless cylindrical automatic polishing machine according to claim 1, wherein the polishing unit includes a polishing driving motor, a polishing driving wheel, a polishing driven wheel, a polishing tension wheel, a polishing belt, a pressing table and a longitudinal driving mechanism;
the polishing driving motor is arranged in the case, the polishing driving wheel is connected with the output end of the polishing driving motor, the polishing driven wheel and the polishing tensioning wheel are arranged in the case, the polishing driving wheel, the polishing driven wheel and the polishing tensioning wheel are distributed in a shape like a Chinese character 'pin', and the polishing abrasive belt is sleeved among the polishing driving wheel, the polishing driven wheel and the polishing tensioning wheel;
the pressing table is movably arranged on the case, is positioned above the rotating roller assembly and is positioned on the inner side of the sanding belt, the pressing table is connected with the output end of the longitudinal driving mechanism, and the longitudinal driving mechanism drives the pressing table to reciprocate along the vertical direction.
8. The coreless cylindrical automatic polishing machine of claim 7, wherein the longitudinal driving mechanism includes a longitudinal guide rail, a sliding seat, a servo motor, a coupling, a ball screw and a nut;
the longitudinal guide rail is arranged in the case along the vertical direction, the sliding seat is connected to the longitudinal guide rail in a sliding mode, the nut is arranged on the sliding seat, the servo motor is arranged in the case, one end of the ball screw is connected with the output end of the servo motor through a coupler, and the other end of the ball screw is in threaded connection with the nut;
the pressing table is connected with the sliding seat.
9. The coreless outer circle automatic polishing machine according to claim 7, further comprising a lifting cylinder and a fixing seat, wherein the lifting cylinder is disposed in the machine case, the fixing seat is connected to an output end of the lifting cylinder, and the polishing tension wheel is rotatably mounted in the fixing seat.
10. The coreless outer circle automatic polishing machine according to claim 9, further comprising a horizontal adjusting mechanism, wherein the horizontal adjusting mechanism is arranged on the fixed seat and comprises a strip-shaped groove, a self-aligning ball bearing, a mounting shaft, an adjusting screw and an operating handle;
the self-aligning ball bearing is installed on the fixed seat, the strip-shaped groove is formed in the fixed seat and is opposite to the self-aligning ball bearing, one end of the installation shaft is connected with the self-aligning ball bearing, the other end of the installation shaft penetrates through the strip-shaped groove and is supported by the adjusting screw, the adjusting screw is in threaded fit with the fixed seat, and the operating handle is connected to the lower end of the adjusting screw;
the grinding tensioning wheel is rotatably arranged on the mounting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050876.4U CN212385216U (en) | 2020-06-09 | 2020-06-09 | Automatic burnishing machine of centreless excircle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050876.4U CN212385216U (en) | 2020-06-09 | 2020-06-09 | Automatic burnishing machine of centreless excircle |
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| Publication Number | Publication Date |
|---|---|
| CN212385216U true CN212385216U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021050876.4U Active CN212385216U (en) | 2020-06-09 | 2020-06-09 | Automatic burnishing machine of centreless excircle |
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| CN (1) | CN212385216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603443A (en) * | 2022-03-31 | 2022-06-10 | 重庆山朕科技发展有限公司 | Abrasive belt type electrode grinding device with self-adaptive grinding flatness |
-
2020
- 2020-06-09 CN CN202021050876.4U patent/CN212385216U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603443A (en) * | 2022-03-31 | 2022-06-10 | 重庆山朕科技发展有限公司 | Abrasive belt type electrode grinding device with self-adaptive grinding flatness |
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