CN220029709U

CN220029709U - Grinding and polishing device

Info

Publication number: CN220029709U
Application number: CN202320893095.9U
Authority: CN
Inventors: 罗强; 黄大路; 柯善政; 罗永念
Original assignee: Dongguan Chuncao Grinding Technology Co ltd
Current assignee: Dongguan Chuncao Grinding Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-11-17
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to the technical field of material polishing, in particular to a polishing device which comprises an abrasive belt, a chassis, a tensioning mechanism and a driving mechanism, wherein the driving mechanism drives the chassis to rotate, a plurality of supporting blocks are arranged on the edge of the top of the chassis in a surrounding mode, the outer side walls of the supporting blocks are abutted against the inner surface of the abrasive belt to pre-fix the abrasive belt, the tensioning mechanism comprises a plurality of pressing blocks and a driving assembly for driving the pressing blocks to move, the pressing blocks are separated into gaps between two adjacent supporting blocks, the driving assembly drives the pressing blocks to press the abrasive belt to tension the abrasive belt, and the abrasive belt is not easy to fall off in the high-speed rotation process.

Description

Grinding and polishing device

Technical Field

The utility model relates to the technical field of material polishing, in particular to a polishing device.

Background

The polishing technology is a production and life related process and is continuously improved along with the development of production and the need of life improvement. The original manual operation is mostly replaced by mechanical operation and is perfected. With the progress of scientific technology and the development of industry, new polishing methods are continuously created, and the situation that a plurality of polishing techniques can be used alternatively is formed. The workpiece or product with polished surface can not only increase the beautiful appearance and the decorative performance, but also improve the corrosion resistance and the wear resistance and other special performances of the surface of the material.

The abrasive belt in the related art is sleeved into the two roller shafts, the roller shafts are used for fixing the abrasive belt, the workpiece is polished by driving the roller shafts to rotate, the roller shafts are considered to be difficult to further tighten the abrasive belt by the related art inventor, the effect of fixing the abrasive belt is poor, and the abrasive belt is easy to fall off during high-speed operation.

Disclosure of Invention

The utility model provides a grinding and polishing device, which aims to solve the problems that the fixing effect of a roller shaft on an abrasive belt is poor and the abrasive belt is easy to fall off during high-speed operation.

The utility model provides a burnishing and polishing device, includes abrasive band, chassis, rises tight mechanism, actuating mechanism, chassis top edge ring is equipped with a plurality of supporting shoe, a plurality of the lateral wall of supporting shoe with abrasive band internal surface butt, actuating mechanism drives the chassis rotatory, a plurality of the spout has all been seted up to the both sides of supporting shoe, rise tight mechanism including a plurality of to pressing block and be used for driving a plurality of the drive assembly who supports the pressing block displacement, drive assembly is fixed in the top of chassis, a plurality of press block divides to arrange adjacent two the clearance of supporting shoe in, press block's both sides respectively with adjacent two the spout sliding connection of supporting shoe, drive assembly with press block connection and drive press block slides.

Through adopting above-mentioned technical scheme, the abrasive band is overlapped in the outer wall of supporting shoe, is fixed in advance to the abrasive band, and drive assembly drive supports the briquetting and slides for support briquetting part slip out the spout and support pressing the abrasive band, make the abrasive band rise tightly, with the abrasive band steadily fixed, drive assembly drive chassis is rotatory, drives to support the briquetting rotatory, makes the abrasive band rotatory polish the work piece, supports the briquetting and fixes the abrasive band steadily, reduces the circumstances that the abrasive band drops at high-speed pivoted in-process.

Preferably, the drive assembly includes rotatory cam disc, installation mounting, pressure spring, a plurality of cam follow-up slightly, a plurality of connecting block, the installation mounting is fixed in the center of chassis, rotatory cam disc with be rotationally connected between the installation mounting, prop up the briquetting through the pressure spring with the installation mounting is connected, the cam follow-up slightly with the connecting block is connected, the bottom of connecting block with prop up the top of briquetting and be connected, a plurality of guide slots that are used for guiding the cam follow-up to outwards displace slightly drive to prop up the briquetting and slide to prop up the pressure abrasive band are offered to rotatory cam disc.

The cam follower is slightly vertically arranged in the guide groove and the outer wall of the guide groove is in contact with the groove wall of the guide groove, by adopting the technical scheme, the cam follower is slightly pressed outwards by the groove wall of the guide groove to drive the cam follower to slightly displace outwards, the connecting block is driven to displace outwards, the connecting block displaces outwards to drive the pressing block to partially slide out of the sliding groove to realize that the pressing block presses the inner surface of the abrasive belt to tightly expand the abrasive belt, the pressing spring provides an inward pulling force for the pressing block in the sliding process of the pressing block, the cam follower slightly presses the groove wall of the guide groove inwards to realize the self-locking of the cam follower when the rotating cam disk stops, and the cam follower is not easy to displace to drive the pressing block to retract when rotating at a high speed, so that the pressing block is stably fixed with the abrasive belt.

Preferably, the installation mounting comprises a first cylinder and a second cylinder fixed at the top of the first cylinder, the axes of the first cylinder and the second cylinder are the same, the diameter of the first cylinder is larger than that of the second cylinder, the bottom of the first cylinder is connected with the top of the chassis, the rotary cam disc is sleeved on the outer wall of the second cylinder and the bottom of the rotary cam disc is abutted to the top of the first cylinder, one end of the pressure spring is connected with the outer wall of the first cylinder, and the other end of the pressure spring is connected with the inner side wall of the pressing block.

Through adopting above-mentioned technical scheme, first cylinder supports rotatory cam disk, and the spacing rotatory cam disk off normal of second cylinder realizes the fixed and the cam follower slightly difficult screens when making rotatory cam disk rotate to rotatory cam disk for support the briquetting and can slide steadily.

Preferably, the rotary cam plate is provided with a rotary handle.

Through adopting above-mentioned technical scheme, rotatory handle is favorable to operating personnel to twist reverse rotatory cam disc, and is comparatively laborsaving.

Preferably, the grinding and polishing device further comprises a grinding and polishing mechanism, the grinding and polishing mechanism comprises a motor, a rotating shaft and a grinding disc, a mounting groove is concavely formed in the top of the second cylinder, the mounting groove is deep to the middle of the first cylinder, the motor is fixed to the bottom of the mounting groove, an output shaft of the motor is connected with the bottom of the rotating shaft, the rotating shaft protrudes out of the mounting groove, and the grinding disc is fixed to the top of the rotating shaft.

Through adopting above-mentioned technical scheme, abrasive paper can be placed at the mill top, and motor drive rotation axis is rotatory to drive the mill rotatory grinds, polishes the work piece, and two kinds of modes of grinding are polished to abrasive band and abrasive paper grind, realize polishing different grade type work piece or the different positions of work piece, and is higher to the inclusion degree of work piece, and is comparatively practical.

Preferably, the first cylinder and the second cylinder are rotatably connected to the rotation shaft by ball bearings.

Through adopting above-mentioned technical scheme, ball bearing assists the rotation axis and rotates for the rotation axis rotates more stably, further makes the mill more stable rotation be favorable to increasing the grinding and polishing effect of work piece.

Preferably, the driving mechanism comprises a driver, a rotating main shaft and a switching disc, wherein the top of the rotating main shaft is fixedly connected with the bottom of the switching disc, the chassis is fixed on the top of the switching disc, and the driver drives the rotating main shaft to rotate.

Through adopting above-mentioned technical scheme, the adapter plate is used for fixed chassis, and the driver drive rotates the main shaft and rotates and drive the adapter plate and rotate, and the adapter plate rotates and drives the chassis rotation and realize driving abrasive band rotation and polish the work piece.

Preferably, the driving mechanism further comprises a protective shell, and the protective shell is sleeved on the outer wall of the rotating main shaft and fixedly connected with the driver.

Through adopting above-mentioned technical scheme, the protective housing effectively isolates foreign matter or human and rotates the main shaft contact, and the human safety of protection maintains the steady rotation of rotating the main shaft.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the cam follower is slightly self-locked by the inward pulling force of the pressure spring to the pressing block, so that the pressing block can stably fix the abrasive belt, and the abrasive belt is not easy to fall off in the high-number rotation process.

2. The motor drives the rotation shaft to rotate so as to drive the grinding disc to rotate so as to grind and polish the workpiece, so that the device has two grinding modes of abrasive belt grinding and abrasive paper grinding, different types of workpieces or different parts of the workpieces are ground, and the device is higher in inclusion degree of the workpieces and is practical.

3. The protective housing effectively isolates foreign objects or human body from contacting the rotating main shaft, protects human body safety, and maintains stable rotation of the rotating main shaft.

Drawings

Fig. 1 is a schematic view showing the overall structure of a sanding polishing device according to the present utility model.

Fig. 2 is a cross-sectional view of a sanding polishing device in accordance with the present utility model.

FIG. 3 is a schematic diagram of the connection between the tensioning mechanism and the chassis of the present utility model.

Reference numerals illustrate: 1. abrasive belt; 2. a chassis; 21. a support block; 211. a chute; 3. a tensioning mechanism; 31. pressing blocks; 32. a drive assembly; 321. rotating the cam plate; 3211. a guide groove; 3212. rotating the handle; 322. installing a fixing piece; 3221. a first cylinder; 3222. a second cylinder; 3223. a mounting groove; 323. a pressure spring; 324. cam follower is slightly; 325. a connecting block; 4. a driving mechanism; 41. a driver; 42. rotating the main shaft; 43. a switching disc; 44. a protective shell; 5. grinding and polishing mechanism; 51. a motor; 52. a rotation shaft; 53. grinding disc; 54. ball bearings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a polishing device comprises an abrasive belt 1, a chassis 2, a tensioning mechanism 3, a driving mechanism 4 and a polishing mechanism 5, wherein the driving mechanism 4 comprises a driver 41, a rotating main shaft 42, a switching disc 43 and a protective shell 44, the top of the rotating main shaft 42 is fixedly connected with the bottom of the switching disc 43, the chassis 2 is fixed on the top of the switching disc 43, the driver 41 is positioned on the bottom of the rotating main shaft 42 to support the rotating main shaft 42, an output shaft of the driver 41 is connected with the rotating main shaft 42 to drive the rotating main shaft 42 to rotate so as to drive the chassis 2 fixed on the top of the switching disc 43 to rotate, and the protective shell 44 is sleeved on the outer wall of the rotating main shaft 42 and is fixedly connected with the driver 41 so as to protect human safety and reduce the condition that foreign matters influence the rotating main shaft 42 to rotate.

Referring to fig. 1 and 3, the edge ring at the top of the chassis 2 is provided with a plurality of supporting blocks 21, the outer wall of each supporting block 21 is abutted with the inner surface of the abrasive belt 1 to pre-fix the abrasive belt 1, the tensioning mechanism 3 comprises a plurality of pressing blocks 31 and a driving assembly 32 for driving the pressing blocks 31 to move, the pressing blocks 31 are arranged in the gap between two adjacent supporting blocks 21, both sides of each supporting block 21 are provided with sliding grooves 211 for clamping the supporting block 21, and both sides of each pressing block 31 can slide in the sliding grooves 211 of two adjacent supporting blocks 21.

Referring to fig. 2 and 3, the driving assembly 32 includes a rotary cam plate 321, a mounting fixture 322, a compression spring 323, a plurality of cam follower pins 324, and a plurality of connection blocks 325, the mounting fixture 322 includes a first cylinder 3221, a second cylinder 3222 fixed on the top of the first cylinder 3221, the axes of the first cylinder 3221 and the second cylinder 3222 are the same, the diameter of the first cylinder 3221 is larger than that of the second cylinder 3222, the bottom of the first cylinder 3221 is connected with the top of the chassis 2, the rotary cam plate 321 is sleeved on the outer wall of the second cylinder 3222, the bottom abuts against the top of the first cylinder 3221 to support and fix the rotary cam plate 321 so that the rotary cam plate 321 can stably rotate around the second cylinder 3222, the rotary cam plate 321 is provided with a plurality of guide grooves 3211, the guide groove 3211 is an arc groove which is grooved from inside to outside, the cam follower 324 is vertically arranged in the guide groove 3211, the outer wall of the cam follower 324 is in contact with the groove wall of the guide groove 3211, the bottom of the connecting block 325 is connected with the top of the pressing block 31, the connecting block 325 is connected with the cam follower 324, the cam follower 324 is outwards pressed by the groove wall of the guide groove 3211 by rotating the rotating cam plate 321, so that the cam follower 324 outwards displaces to drive the pressing block 31 to slide out of the sliding groove 211 to press the inner surface of the abrasive belt 1 to tension the abrasive belt 1, the abrasive belt 1 is not easy to fall off when rotating at high speed, one end of the pressure spring 323 is connected with the outer wall of the first cylinder 3221, the other end of the pressure spring 323 is connected with the inner wall of the pressing block 31, the self-locking of the cam follower 324 is realized by the tensile force of the pressure spring 323, the cam follower 324 is not easy to shift to drive the pressing block 31 to retract when rotating at high speed, the rotary cam plate 321 is provided with a rotary handle 3212 for rotation by an operator.

Referring to fig. 2 and 3, the grinding and polishing mechanism 5 includes a motor 51, a rotating shaft 52, a grinding disc 53, a mounting groove 3223 is concavely formed in the top of the second cylinder 3222, the mounting groove 3223 is deep to the middle of the first cylinder 3221, the motor 51 is fixed at the bottom of the mounting groove 3223, an output shaft of the motor 51 is connected with the bottom of the rotating shaft 52, the rotating shaft 52 protrudes out of the mounting groove 3223, the grinding disc 53 is fixed at the top of the rotating shaft 52, the motor 51 drives the rotating shaft 52 to rotate to drive the grinding disc 53 to rotate so as to grind and polish a workpiece, the first cylinder 3221 and the second cylinder 3222 are connected with the rotating shaft 52 through ball bearings 54 so that the rotating shaft 52 rotates more stably, and the device has two grinding modes of grinding abrasive belt 1 and abrasive paper grinding to have high inclusion degree on the workpiece.

The embodiment of the utility model provides a grinding and polishing device, which has the implementation principle that: sleeving the abrasive belt 1 on the supporting block 21, abutting the outer wall of the supporting block 21 against the inner surface of the abrasive belt 1, pre-fixing the abrasive belt 1, and rotating the rotary cam disc 321 by the rotary handle 3212, so that the groove wall of the guide groove 3211 is outwards abutted against the cam follower 324, the cam follower 324 is outwards shifted to drive the abutting block 31 to slide out of the sliding groove 211 to abut against the abrasive belt 1 to tightly expand the abrasive belt 1, thereby realizing that the abrasive belt 1 fixing piece stably fixes the abrasive belt 1, and the abrasive belt 1 is not easy to fall off during high-speed transmission; starting a driver 41, and driving a rotating main shaft 42 to rotate by the driver 41 to drive a fixing piece of the abrasive belt 1 to rotate, so that the abrasive belt 1 drives the workpiece to polish at a high speed; by starting the motor 51, the motor 51 drives the rotating shaft 52 to rotate so as to drive the grinding disc 53 to rotate, and the abrasive paper is arranged on the grinding disc 53 to grind and polish a workpiece.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a burnishing and polishing device which characterized in that: including abrasive band (1), chassis (2), tight mechanism (3), actuating mechanism (4) rise, chassis (2) top edge ring is equipped with a plurality of supporting shoe (21), a plurality of the lateral wall of supporting shoe (21) with abrasive band (1) internal surface butt, actuating mechanism (4) drive chassis (2) are rotatory, a plurality of spout (211) have all been seted up to the both sides of supporting shoe (21), tight mechanism (3) rise include a plurality of pressing block (31) and are used for driving a plurality of driving assembly (32) that pressing block (31) are shifted, driving assembly (32) are fixed in the top of chassis (2), a plurality of pressing block (31) divide into adjacent two the clearance of supporting shoe (21), pressing block (31) both sides respectively with adjacent two spout (211) sliding connection of supporting shoe (21), driving assembly (32) with pressing block (31) are connected and are driven pressing block (31) are slided.

2. The sanding polishing device as defined in claim 1, wherein: the driving assembly (32) comprises a rotary cam disc (321), a mounting fixing piece (322), a pressure spring (323), a plurality of cam follow-up tips (324) and a plurality of connecting blocks (325), wherein the mounting fixing piece (322) is fixed at the center of the chassis (2), the rotary cam disc (321) is rotationally connected with the mounting fixing piece (322), the pressing block (31) is connected with the mounting fixing piece (322) through the pressure spring (323), the cam follow-up tips (324) are connected with the connecting blocks (325), the bottoms of the connecting blocks (325) are connected with the tops of the pressing block (31), and the rotary cam disc (321) is provided with a plurality of guide grooves (3211) used for guiding the cam follow-up tips (324) to outwards displace to drive the pressing block (31) to slide to press the abrasive belt (1).

3. The sanding polishing device as defined in claim 2, wherein: the installation mounting (322) include first cylinder (3221), be fixed in second cylinder (3222) at first cylinder (3221) top, the axle center of first cylinder (3221), second cylinder (3222) is the same, the diameter of first cylinder (3221) is greater than the diameter of second cylinder (3222), the bottom of first cylinder (3221) with the top of chassis (2) is connected, rotatory cam disc (321) overlap in the outer wall and the top of bottom butt first cylinder (3221) of second cylinder (3222), the one end of pressure spring (323) is connected the outer wall of first cylinder (3221), the other end of pressure spring (323) is connected the inside wall of pressure piece (31).

4. A sanding polishing device as defined in claim 3, wherein: the rotary cam plate (321) is provided with a rotary handle (3212).

5. A sanding polishing device as defined in claim 3, wherein: still include lapping and polishing mechanism (5), lapping and polishing mechanism (5) include motor (51), rotation axis (52), mill (53), second cylinder (3222) top is concave to be equipped with mounting groove (3223), mounting groove (3223) are deep to the middle part of first cylinder (3221), motor (51) are fixed in the bottom of mounting groove (3223), the output shaft of motor (51) with rotation axis (52) bottom is connected, rotation axis (52) protrusion mounting groove (3223) just mill (53) are fixed in the top of rotation axis (52).

6. The polishing device according to claim 5, wherein the first cylinder (3221) and the second cylinder (3222) are rotatably connected to the rotation shaft (52) via ball bearings (54).

7. The sanding polishing device as defined in claim 1, wherein: the driving mechanism (4) comprises a driver (41), a rotating main shaft (42) and a switching disc (43), wherein the top of the rotating main shaft (42) is fixedly connected with the bottom of the switching disc (43), the chassis (2) is fixed on the top of the switching disc (43), and the driver (41) drives the rotating main shaft (42) to rotate.

8. The sanding polishing device as defined in claim 7, wherein: the driving mechanism (4) further comprises a protective shell (44), and the protective shell (44) is sleeved on the outer wall of the rotating main shaft (42) and is fixedly connected with the driver (41).