CN216859269U

CN216859269U - Sheet sander

Info

Publication number: CN216859269U
Application number: CN202220351712.8U
Authority: CN
Inventors: 农百乐; 陈胜全; 潘扬树
Original assignee: Foshan Irobot Automatic Co ltd
Current assignee: Foshan Irobot Automatic Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-01
Anticipated expiration: 2032-02-21

Abstract

The utility model belongs to the technical field of sanding equipment, and particularly relates to a sheet sanding machine which comprises a rotary seat and a sanding device, wherein the rotary seat is used for fixing a sheet and driving the sheet to rotate, the sanding device comprises a sanding arm and a driving mechanism for driving the sanding arm to feed along the radial direction of the rotary seat, the sanding arm comprises a mounting frame and an annular sanding belt which are positioned on the upper side of the rotary seat, the upper end of the mounting frame is provided with a rotating wheel, the lower end of the mounting frame is provided with a sanding wheel, the side part of the mounting frame is provided with a tensioning wheel, the sanding belt is wound on the outer sides of the rotating wheel, the sanding wheel and the tensioning wheel, the mounting frame is provided with a rotating motor for driving the rotating wheel to rotate and an adjusting mechanism for driving the tensioning wheel to move relative to the rotating wheel and the sanding wheel, the rotating motor selectively drives the rotating wheel to rotate so as to drive the sanding belt to rotate and replace the sanding belt to be positioned at the grinding part of the sanding wheel, compared with the prior art, the sheet sanding machine provided by the utility model is provided with the feedable sanding arm, the sheet on the rotary seat can be polished by controlling the sanding arm, so that the polishing efficiency and quality are improved, manpower and material resources are saved, and the polishing safety is improved.

Description

Sheet sander

Technical Field

The utility model belongs to the technical field of sanding equipment, and particularly relates to a sheet sanding machine.

Background

The pot bottom of the composite bottom pot usually comprises at least two metal sheets made of different materials, such as stainless steel sheets and aluminum sheets, and is formed by pressing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that the conventional sheet polishing process adopts a manual polishing mode, and provides a sheet sander for polishing by adopting an automatic polishing arm.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a sheet grinder, includes roating seat and sand light device, the roating seat is used for fixed sheet and orders about the sheet rotatory, sand light device includes the sand light arm and orders about the actuating mechanism that the sand light arm radially fed along the roating seat, the sand light arm is including being located mounting bracket and the annular abrasive band of roating seat upside, the upper end of mounting bracket is equipped with rotates the wheel, the lower extreme is equipped with sand light wheel, the lateral part is equipped with the take-up pulley, the abrasive band is around establishing rotating the wheel, the outside of sand light wheel and take-up pulley, the mounting bracket is equipped with the drive and rotates the rotating electrical machines of taking turns to and order about the take-up pulley and rotate the adjustment mechanism that wheel and sand light wheel removed relatively, rotating electrical machines orders about selectively and rotates and take turns rotatoryly to thereby drive the abrasive band and rotate the grinding position that replacement abrasive band is located sand light wheel.

Compared with the prior art, the sheet sander provided by the utility model is provided with the feedable sanding arm, and the sheet on the rotary seat can be sanded by controlling the sanding arm, so that the sanding efficiency and quality are improved, the manpower and material resources are saved, and the sanding safety is improved.

Furthermore, adjustment mechanism include with what the take-up pulley was connected drives the seat and orders about drive the actuating cylinder that drives that the seat removed, drive the flexible of actuating cylinder output through control, alright order about and drive the seat and drive the take-up pulley activity to adjust the rate of tension on abrasive band, this kind of regulative mode is convenient fast.

Furthermore, the lower extreme of driving seat with mounting bracket rotatable coupling, the take-up pulley is connected in the upper end of driving the seat, drive actuating cylinder and mounting bracket rotatable coupling, its output with the middle part of driving the seat is articulated, when the output is flexible, can order about the take-up pulley around the pin joint swing of driving seat and mounting bracket to can be in horizontal and longitudinal direction taut or loosen the abrasive band.

Furthermore, the adjusting mechanism also comprises an adjusting seat arranged on the driving seat, the adjusting seat comprises mounting seats positioned at the upper side and the lower side, a first rotating shaft longitudinally arranged between the mounting seats at the two sides and an adjusting block rotatably connected with the first rotating shaft, the adjusting block is connected with a tensioning wheel, the driving seat is in threaded connection with two adjusting screws abutted against one side of the adjusting block close to the driving seat, the end parts of the adjusting screws abut against the two opposite sides of the first rotating shaft, the height difference between the two adjusting screws is changed, the rotating angle of the adjusting block can be adjusted, because the parallelism between the rotating wheel and the sanding wheel is difficult to avoid deviation in the assembling process, when the variation is too large, the sanding belt is easy to generate the phenomenon of lateral deviation in the grinding process, thereby influencing the grinding effect and shortening the service life of the sanding belt, the adjusting seat can be adjusted according to the actual deviation condition of the sanding belt, specifically, the adjusting block drives the tensioning wheel to rotate around the first rotating shaft by rotating the two adjusting screws, so that the abrasive belt is adjusted.

Furthermore, the tensioning wheel is provided with a rotatable connecting shaft, the adjusting block is provided with a jack corresponding to the connecting shaft, the end part of the connecting shaft is inserted into the jack, the outer periphery of the connecting shaft is provided with a positioning convex edge abutted against the outer side of the jack, the connecting mode between the tensioning wheel and the adjusting block is simple in structure and easy to assemble, and the precision of the adjusting block in adjusting the tensioning wheel can be improved.

Further, still include the open protection casing of upside, the roating seat is located in the protection casing, and the protection casing is connected with dust extraction, and the setting of protection casing is adjustable grinder's security on the one hand, prevents that the unexpected departure of the sheet of polishing from hindering the people, and on the other hand adsorbable dust is more environmental protection.

Further, the downside of protection casing is connected with the frame, the roating seat is including being located rotating head and connection in the protection casing rotating head and downside extend into the second pivot of frame, the middle part of rotating head is equipped with the first air flue that extends to its up end, second pivot middle part is equipped with the intercommunication the second air flue of first air flue, second pivot lower extreme is equipped with the air cock that is used for connecting the negative pressure source, the air cock extends into the second air flue and can be relative the second pivot is rotatory, the second pivot is rotatory by the power device drive.

Further, actuating mechanism includes horizontal actuating mechanism and drive horizontal actuating mechanism longitudinal movement's vertical actuating mechanism, vertical actuating mechanism includes first mounting panel and drive first mounting panel longitudinal movement's first lead screw drive assembly, horizontal actuating mechanism includes second mounting panel and drive second mounting panel lateral movement's second lead screw drive assembly, the sand and light arm sets up on the second mounting panel.

Furthermore, the first screw rod driving assembly comprises a support, a first feeding motor fixedly arranged on the support, a first screw rod driven by the first feeding motor to rotate, first slide rails fixedly arranged on two opposite sides of the first screw rod, a first sliding block arranged on the first slide rails in a sliding mode, and a first screw nut in threaded fit with the first screw rod, and the first mounting plate is fixedly connected with the first screw nut and the first sliding block.

Furthermore, the second lead screw driving assembly comprises a second screw nut fixedly arranged on the first mounting plate, second sliding blocks fixedly arranged on two opposite sides of the second screw nut, a second sliding rail in sliding fit with the second sliding blocks, a second lead screw in threaded fit with the second screw nut, and a second feeding motor for driving the second lead screw to rotate, and the second mounting plate is fixedly connected with the second feeding motor and the second sliding rail.

Drawings

FIG. 1 is a perspective view of a sheet sander;

FIG. 2 is a side view of a sheet sander;

FIG. 3 is a schematic structural view of a longitudinal sheet driving mechanism;

FIG. 4 is a schematic structural view of a lateral driving mechanism;

FIG. 5 is a schematic view of the adjustment mechanism;

fig. 6 is an exploded view of the adjustment mechanism.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the present embodiment provides a sheet sanding machine, which includes a machine base 21, a protective cover 22 disposed on an upper side of the machine base 21, a rotating base 23 disposed in the protective cover 22, and a sanding device 1 disposed on the machine base 21, where the rotating base 23 is used to fix sheets and drive the sheets to rotate, the sanding device 1 includes a sanding arm 11 and a driving mechanism driving the sanding arm 11 to feed along a radial direction of the rotating base 23, the sanding arm 11 includes a mounting frame 111 and an annular sanding belt 112 disposed on the upper side of the rotating base 23, the upper end of the mounting frame 111 is provided with a rotating wheel 12, the lower end of the mounting frame 111 is provided with a rotatable sanding wheel 14, the side portion of the mounting frame 111 is provided with a tension wheel 13, the sanding belt 112 is wound on outer sides of the rotating wheel 12, the sanding wheel 14 and the tension wheel 13, the mounting frame 111 is provided with a rotating motor 113 driving the rotating wheel 12 to rotate, and an adjusting mechanism 15 driving the tension wheel 13 to move relative to the rotating wheel 12 and the sanding wheel 14, the rotating motor 113 selectively drives the rotating wheel 12 to rotate, to rotate the sanding belt 112 to replace the sanding area of the sanding belt 112 at the bottom of the sanding wheel 14.

Referring to fig. 1, 3 and 4, the driving mechanism includes a transverse driving mechanism 16 and a longitudinal driving mechanism 17 for driving the transverse driving mechanism 16 to move longitudinally, the longitudinal driving mechanism 17 includes a first mounting plate 171 and a first lead screw driving component for driving the first mounting plate 171 to move longitudinally, the transverse driving mechanism 16 includes a second mounting plate 161 and a second lead screw driving component for driving the second mounting plate 161 to move transversely, and the sanding arm 11 is disposed on the second mounting plate 161.

Referring to fig. 3 and 4, in a specific arrangement, the first lead screw driving assembly includes a bracket 172 disposed on the base 21, a first feeding motor 173 fixedly disposed on the bracket 172, a first lead screw 174 driven by the first feeding motor 173 to rotate, first slide rails 175 fixedly disposed on opposite sides of the first lead screw 174, a first sliding block 176 slidably disposed on the first slide rails 175, and a first nut 177 in threaded engagement with the first lead screw 174, wherein the first mounting plate 171 is fixedly connected to the first nut 177 and the first sliding block 176.

The second lead screw driving assembly comprises a second screw nut 162 fixedly arranged on the first mounting plate 171, second sliding blocks 163 fixedly arranged on two opposite sides of the second screw nut 162, a second sliding rail 164 in sliding fit with the second sliding blocks 163, a second lead screw 165 in threaded fit with the second screw nut 162, and a second feeding motor 166 for driving the second lead screw 165 to rotate, wherein the second mounting plate 161 is fixedly connected with the second feeding motor 166 and the second sliding rail 164.

Referring to fig. 1, 2, 5 and 6, the adjusting mechanism 15 includes a driving seat 151, an adjusting seat 152, and a driving cylinder 153 for driving the driving seat 151 to move, the adjusting seat 152 is disposed on the driving seat 151, and includes mounting seats 154 disposed at upper and lower sides, a first rotating shaft 155 longitudinally disposed between the mounting seats 154 disposed at two sides, and an adjusting block 156 rotatably connected to the first rotating shaft 155, the adjusting block 156 is connected to the tensioning wheel 13, specifically, the tensioning wheel 13 is provided with a rotatable connecting shaft 131, the adjusting block 156 is provided with an insertion hole 157 corresponding to the connecting shaft 131, an end of the connecting shaft 131 is inserted into the insertion hole 157, and an outer periphery of the adjusting block is provided with a positioning convex edge 133 abutting against an outer side of the insertion hole 157.

Referring to fig. 1, 2, 5 and 6, the lower end of the driving seat 151 is rotatably connected to the mounting frame 111, the tensioning wheel 13 is connected to the upper end of the driving seat 151, the driving cylinder 153 is rotatably connected to the mounting frame 111 through a pin 159, the output end 150 is hinged to the middle of the driving seat 151, when the output end 150 extends and contracts, the tensioning wheel 13 can be driven to swing around the hinge point between the driving seat 151 and the mounting frame 111, so as to tighten or loosen the sanding belt 112 in the transverse and longitudinal directions, specifically, the mounting frame 111 is provided with a hollow portion 114, a detachable seat body 115 is fittingly installed in the hollow portion 114, and the seat body 115 is rotatably connected to the driving seat 151, which is arranged to facilitate the removal and replacement of the adjusting mechanism 15.

Referring to fig. 1, 2, 5 and 6, the driving base 151 is in threaded connection with two adjusting screws 158 abutting against one side of the adjusting block 156 close to the driving base 151, ends of the adjusting screws 158 abut against the adjusting block 156 and are located on two opposite sides of the first rotating shaft 155, and a rotation angle of the adjusting block 156 can be adjusted by changing a height difference between the two adjusting screws 158.

Referring to fig. 1 and 2, the protective cover 22 is open at the upper side and is connected with a dust suction device (the dust suction device is not shown), the protective cover 22 can adjust the safety of the sander on one hand, prevent polished sheets from accidentally flying out to hurt people on the other hand, and can absorb dust on the other hand, so that the protective cover is more environment-friendly.

Referring to fig. 1 and 2, the rotary base 23 includes a rotary head 231 located in the protective cover 22, and a second rotary shaft 232 connected to the rotary head 231 and extending downward into the base 21, a first air passage extending to an upper end surface of the rotary head 231 is provided in a middle portion of the rotary head 231, a second air passage communicating with the first air passage is provided in a middle portion of the second rotary shaft 232, an air nozzle 235 for connecting a negative pressure source is provided at a lower end of the second rotary shaft 232, the air nozzle 235 extends into the second air passage and can rotate relative to the second rotary shaft 232, and the second rotary shaft 232 is driven to rotate by a power device 3 provided in the base 21, so that the rotary base 23 achieves functions of vacuum-absorbing sheets and driving the sheets to rotate.

Compared with the prior art, the sheet sander provided by the utility model is provided with the feeding sanding arm 11, and the sheet on the rotating seat 23 can be sanded by controlling the sanding arm 11, so that the sanding efficiency and quality are improved, the manpower and material resources are saved, and the sanding safety is improved.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The sheet sander is characterized by comprising a rotary seat and a sanding device, wherein the rotary seat is used for fixing a sheet and driving the sheet to rotate, the sanding device comprises a sanding arm and a driving mechanism for driving the sanding arm to feed along the radial direction of the rotary seat, the sanding arm comprises a mounting frame and an annular sanding belt which are positioned on the upper side of the rotating seat, the upper end of the mounting frame is provided with a rotating wheel, the lower end of the mounting frame is provided with a sanding wheel, the side part of the mounting frame is provided with a tension wheel, the sanding belt is wound on the outer sides of the rotating wheel, the sanding wheel and the tensioning wheel, the mounting frame is provided with a rotating motor for driving the rotating wheel to rotate and an adjusting mechanism for driving the tensioning wheel to move relative to the rotating wheel and the sanding wheel, the rotating motor selectively drives the rotating wheel to rotate so as to drive the sanding belt to rotate, so that the replacement sanding belt is positioned at the grinding part of the sanding wheel.

2. The sheet material sanding machine according to claim 1, wherein the adjustment mechanism includes a drive seat connected to the tensioning wheel, and a drive cylinder that actuates the drive seat.

3. The sheet material sanding machine according to claim 2, wherein the lower end of the driving seat is rotatably connected with the mounting frame, the tension wheel is connected with the upper end of the driving seat, the driving cylinder is rotatably connected with the mounting frame, and the output end of the driving cylinder is hinged with the middle part of the driving seat.

4. The sheet material sanding machine according to claim 2, wherein the adjusting mechanism further comprises an adjusting seat arranged on the driving seat, the adjusting seat comprises mounting seats positioned at the upper side and the lower side, a first rotating shaft longitudinally arranged between the mounting seats at the two sides, and an adjusting block rotatably connected with the first rotating shaft, the adjusting block is connected with the tensioning wheel, the driving seat is in threaded connection with two adjusting screws abutted against one side of the adjusting block close to the driving seat, the end portions of the adjusting screws abut against the two opposite sides of the adjusting block positioned on the first rotating shaft, and the rotating angle of the adjusting block can be adjusted by changing the height difference between the two adjusting screws.

5. The sheet material sanding machine according to claim 4, wherein the tension wheel is provided with a rotatable connecting shaft, the adjusting block is provided with an insertion hole corresponding to the connecting shaft, the end part of the connecting shaft is inserted into the insertion hole, and the periphery of the adjusting block is provided with a positioning convex edge abutting against the outer side of the insertion hole.

6. The sheet material sanding machine according to claim 1, further comprising a protective cover open at an upper side, the rotary seat being provided in the protective cover.

7. The sheet material sander as set forth in claim 6, wherein a dust extraction device is attached to the protective cover.

8. The sheet material sanding machine according to claim 6, wherein the underside of the protective cover is connected with a base, the rotary base comprises a rotary head positioned in the protective cover and a second rotary shaft connected with the rotary head and extending into the base from the underside, a first air passage extending to the upper end surface of the rotary head is arranged in the middle of the rotary head, a second air passage communicated with the first air passage is arranged in the middle of the second rotary shaft, an air nozzle used for connecting a negative pressure source is arranged at the lower end of the second rotary shaft, the air nozzle extends into the second air passage and can be opposite to the second rotary shaft, and the second rotary shaft is driven by a power device to rotate.

9. The sheet material sanding machine according to any one of claims 1 to 8, wherein the driving mechanism comprises a transverse driving mechanism and a longitudinal driving mechanism for driving the transverse driving mechanism to move longitudinally, the longitudinal driving mechanism comprises a first mounting plate and a first screw rod driving assembly for driving the first mounting plate to move longitudinally, the transverse driving mechanism comprises a second mounting plate and a second screw rod driving assembly for driving the second mounting plate to move transversely, and the sanding arm is arranged on the second mounting plate.

10. The sheet material sanding machine according to claim 9, wherein the first screw rod driving assembly comprises a bracket, a first feeding motor fixedly arranged on the bracket, a first screw rod driven by the first feeding motor to rotate, first slide rails fixedly arranged on two opposite sides of the first screw rod, a first slide block slidably arranged on the first slide rails, a first screw nut in threaded fit with the first screw rod, and a first mounting plate fixedly connected with the first screw nut and the first slide block;

and/or, the second lead screw driving assembly comprises a second screw nut fixedly arranged on the first mounting plate, a second sliding block fixedly arranged on two opposite sides of the second screw nut, a second sliding rail in sliding fit with the second sliding block, a second lead screw in threaded fit with the second screw nut, and a second feeding motor driving the second lead screw to rotate, and the second mounting plate is fixedly connected with the second feeding motor and the second sliding rail.