阅读说明：本技术 一种通过平面螺纹扩张轴实现变径的抛光机构 (Polishing mechanism capable of realizing reducing through plane thread expansion shaft ) 是由 李洁玲 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种通过平面螺纹扩张轴实现变径的抛光机构,它包括支撑架、固定盘、第一驱动部件、第二驱动部件、第一传动件、第二传动件、集尘盘、平面螺纹扩张轴、滑动圆盘和若干抛光组件,平面螺纹扩张轴包括涡状槽盘和连接轴,第一驱动部件通过第一传动件带动集尘盘转动,第二驱动部件通过第二传动件带动平面螺纹扩张轴转动,若干抛光组件滑动连接在滑动圆盘上并呈圆周阵列分布,抛光组件的一端嵌入涡状槽盘内；本发明通过设置第一驱动部件带动平面螺纹扩张轴旋转,从而使抛光组件的活动半径可调,在打磨工件死角时,将抛光组件的活动半径调至最小,从而能有效解决打磨死角比较大的问题,使工件的抛光效果更好。(The invention discloses a polishing mechanism for realizing reducing through a plane thread expansion shaft, which comprises a support frame, a fixed disc, a first driving part, a second driving part, a dust collecting disc, a plane thread expansion shaft, a sliding disc and a plurality of polishing components, wherein the plane thread expansion shaft comprises a volute groove disc and a connecting shaft; according to the invention, the first driving part is arranged to drive the plane thread expansion shaft to rotate, so that the movable radius of the polishing assembly is adjustable, and when the dead angle of the workpiece is polished, the movable radius of the polishing assembly is adjusted to be minimum, so that the problem of large polishing dead angle can be effectively solved, and the polishing effect of the workpiece is better.)

1. The polishing mechanism capable of realizing reducing through the plane thread expansion shaft is characterized by comprising a support frame (1), a fixed disc (2), a first driving part (3), a second driving part (4), a first transmission part (5), a second transmission part (6), a dust collection disc (7), a plane thread expansion shaft (8), a sliding disc (9) and a plurality of polishing components (10), wherein the support frame (1) is arranged on the top surface of the fixed disc (2), the first driving part (3) is arranged on the side surface of the support frame (1), the second driving part (4) is arranged on the top surface of the support frame (1), the dust collection disc (7) is arranged on the bottom surface of the fixed disc (2), the dust collection disc (7) and the fixed disc (2) are matched to form a dust suction cavity, and the sliding disc (9) is arranged on the bottom surface of the dust collection disc (7), strip-shaped holes are formed in the dust collecting disc (7) in a circumferential array, dust suction holes are formed in the sliding disc (9) corresponding to the strip-shaped holes and located between the adjacent polishing assemblies (10), a vacuum suction nozzle (a) is installed on the fixed disc (2), and the vacuum suction nozzle (a) is communicated with the dust suction cavity;

plane screw thread expansion axle (8) are including vortex groove dish (81) and connecting axle (82), the below of slip disc (9) is located in vortex groove dish (81), the one end and the vortex groove dish (81) of connecting axle (82) are connected, the other end and the second driving medium (6) of connecting axle (82) are connected, first driver part (3) drive album dirt dish (7) through first driving medium (5) and rotate, second driver part (4) drive plane screw thread expansion axle (8) through second driving medium (6) and rotate, and are a plurality of polishing subassembly (10) sliding connection is on slip disc (9) and be the circumference array and distribute, the one end embedding vortex groove dish (81) of polishing subassembly (10) is interior.

2. The polishing mechanism for realizing reducing through a plane threaded expansion shaft is characterized in that the polishing assembly (10) comprises a sliding block (101), a sponge pad (102) and a polishing sheet (103), wherein the sliding block (101), the sponge pad (102) and the polishing sheet (103) are arranged in a fan shape, the sliding block (101) is connected to the sliding disc (9) in a sliding mode, one end of the sliding block (101) is embedded into the vortex-shaped slotted disc (81), the sponge pad (102) is fixed to the bottom surface of the sliding block (101), and the polishing sheet (103) is arranged on the bottom surface of the sponge pad (102).

3. The polishing mechanism for realizing reducing through a plane thread expansion shaft is characterized in that the first transmission member (5) comprises a bevel gear (51) and transmission teeth (52), the bevel gear (51) is connected with the output end of the first driving component (3), one end of the transmission teeth (52) penetrates through the fixed disc (2) and then is meshed with the bevel gear (51), the other end of the transmission teeth (52) penetrates through the fixed disc (2) and then is meshed with the dust collection disc (7), and the other end of the connecting shaft (82) extends along the axis of the transmission teeth (52) and is connected with the second transmission member (6).

4. The polishing mechanism for realizing diameter change through a planar threaded expansion shaft is characterized in that the second transmission member (6) comprises a transmission mandrel (61), a clutch sliding sleeve (62) and a clutch driven rod (63), one end of the transmission mandrel (61) is connected with the output end of the second driving component (4), one end of the clutch sliding sleeve (62) is meshed with the other end of the transmission mandrel (61), one end of the clutch driven rod (63) extends into the transmission teeth (52) and is connected with the other end of the connecting shaft (82), the other end of the clutch sliding sleeve (62) and the other end of the clutch driven rod (63) are correspondingly arranged up and down, a first electromagnet (64) is arranged in the transmission mandrel (61), and a second electromagnet (65) is arranged in the clutch sliding sleeve (62) corresponding to the first electromagnet (64).

5. The polishing mechanism for realizing diameter change through a planar threaded expansion shaft as claimed in claim 1, wherein the fixed disk (2) is provided with a circular ring protrusion, the dust collecting disk (7) is provided with a circular ring groove, and the circular ring protrusion is embedded in the circular ring groove.

6. The polishing mechanism for realizing diameter change through a plane thread expansion shaft as claimed in claim 5, wherein the fixed disk (2) is provided with a circular ring protrusion, the dust collecting disk (7) is provided with a circular ring groove, and the circular ring protrusion is embedded in the circular ring groove.

7. The polishing mechanism for realizing diameter change through a plane thread expansion shaft as claimed in claim 5, wherein the fixed disk (2) is provided with a circular ring protrusion, the dust collecting disk (7) is provided with a circular ring groove, and the circular ring protrusion is embedded in the circular ring groove.

Technical Field

The invention relates to the technical field of polishing, in particular to a polishing mechanism for realizing reducing through a plane thread expansion shaft.

Background

The existing polishing disk is fixed in diameter, the polishing efficiency is influenced by making the diameter of the polishing disk small, and the problem that the polishing dead angle is large is caused.

Disclosure of Invention

The invention aims to overcome the defects and provide a polishing mechanism for realizing reducing through a plane thread expansion shaft.

In order to achieve the purpose, the invention adopts the following specific scheme:

a polishing mechanism for realizing diameter change through a plane thread expansion shaft comprises a support frame, a fixed disc, a first driving part, a second driving part, a first transmission part, a second transmission part, a dust collecting disc, a plane thread expansion shaft, a sliding disc and a plurality of polishing components, the supporting frame is arranged on the top surface of the fixed disc, the first driving part is arranged on the side surface of the supporting frame, the second driving part is arranged on the top surface of the supporting frame, the dust collecting disc is arranged on the bottom surface of the fixed disc, the dust collecting disc and the fixed disc are matched to form a dust suction cavity, the sliding disc is arranged on the bottom surface of the dust collecting disc, the dust collecting disc is provided with strip-shaped holes in a circumferential array, the sliding disc is provided with dust collecting holes corresponding to the strip-shaped holes, the dust absorption holes are positioned between the adjacent polishing components, the fixed disk is provided with a vacuum suction nozzle, and the vacuum suction nozzle is communicated with the dust absorption cavity;

plane screw thread expansion shaft includes vortex form groove dish and connecting axle, the below of slip disc is located to vortex form groove dish, the one end and the vortex form groove dish of connecting axle are connected, the other end and the second driving medium of connecting axle are connected, first drive part drives collection dirt dish through first driving medium and rotates, second drive part drives plane screw thread expansion shaft through the second driving medium and rotates, and is a plurality of polishing subassembly sliding connection is on the slip disc and is the circumference array and distributes, the one end embedding vortex form groove of polishing subassembly is coiled.

The polishing assembly comprises a sliding block, a spongy cushion and a polishing piece, the sliding block, the spongy cushion and the polishing piece are all in fan-shaped arrangement, the sliding block is connected to a sliding disc in a sliding mode, one end of the sliding block is embedded into a volute groove disc, the spongy cushion is fixed to the bottom face of the sliding block, and the polishing piece is arranged on the bottom face of the spongy cushion.

The first transmission piece comprises a bevel gear and transmission teeth, the bevel gear is connected with the output end of the first driving part, one end of the transmission teeth penetrates through the fixed disc and then is meshed with the bevel gear, the other end of the transmission teeth penetrates through the fixed disc and then is meshed with the dust collecting disc, and the other end of the connecting shaft extends along the axis of the transmission teeth and is connected with the second transmission piece.

The second transmission part comprises a transmission mandrel, a clutch sliding sleeve and a clutch driven rod, one end of the transmission mandrel is connected with the output end of the second driving part, one end of the clutch sliding sleeve is meshed with the other end of the transmission mandrel, one end of the clutch driven rod extends into the transmission teeth and is connected with the other end of the connecting shaft, the other end of the clutch sliding sleeve corresponds to the other end of the clutch driven rod up and down, a first electromagnet is arranged in the transmission mandrel, and a second electromagnet is arranged in the clutch sliding sleeve corresponding to the first electromagnet.

The dust collecting device is characterized in that the fixed disc is provided with a circular ring bulge, the dust collecting disc is provided with a circular ring groove, and the circular ring bulge is embedded in the circular ring groove.

The invention has the beneficial effects that: compared with the prior art, the polishing device has the advantages that the first driving part is arranged to drive the plane thread expansion shaft to rotate, so that the movable radius of the polishing assembly is adjustable, and when the dead angle of a workpiece is polished, the movable radius of the polishing assembly is adjusted to be minimum, so that the problem of large polishing dead angle can be effectively solved, and the polishing effect of the workpiece is better; set up the collection dirt dish simultaneously, through the vacuum suction nozzle effect, in time will polish the piece that produces and powder suction collection dirt dish in, further ensure the polishing of work piece.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded schematic view of the present invention;

FIG. 3 is a schematic structural view of a planar threaded expansion shaft of the present invention;

FIG. 4 is a schematic structural view of a first transmission member according to the present invention;

FIG. 5 is a schematic view of the second transmission member according to the present invention;

FIG. 6 is a schematic diagram of the construction of the polishing assembly of the present invention;

FIG. 7 is a schematic view of the construction of the dust collecting tray according to the present invention;

FIG. 8 is a schematic view of the structure of the sliding disk of the present invention;

description of reference numerals: 1-a support frame; 2-fixing the disc; 3-a first drive component; 4-a second drive component; 5-a first transmission member; 51-bevel gear; 52-gear teeth; 6-a second transmission member; 61-a drive spindle; 62-a clutch sliding sleeve; 63-clutch driven lever; 64-a first electromagnet; 65-a second electromagnet; 7-a dust collecting tray; 8-plane thread expansion shaft; 81-vortex groove disc; 82-a connecting shaft; 9-sliding disc; 10-a polishing assembly; 101-a slide block; 102-a sponge cushion; 103-polishing pad; a-a vacuum suction nozzle.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 8, the polishing mechanism for realizing diameter change by a planar threaded expansion shaft according to the present embodiment includes a support frame 1, a fixed disk 2, a first driving component 3, a second driving component 4, a first transmission component 5, a second transmission component 6, a dust collecting disk 7, a planar threaded expansion shaft 8, a sliding disk 9 and a plurality of polishing components 10, wherein the support frame 1 is disposed on the top surface of the fixed disk 2, the first driving component 3 is disposed on the side surface of the support frame 1, the second driving component 4 is disposed on the top surface of the support frame 1, the dust collecting disk 7 is disposed on the bottom surface of the fixed disk 2, the dust collecting disk 7 and the fixed disk 2 cooperate to form a dust suction cavity, the sliding disk 9 is disposed on the bottom surface of the dust collecting disk 7, the dust collecting disk 7 is provided with strip-shaped holes in a circumferential array, the sliding disk 9 is provided with dust suction holes corresponding to the strip-shaped holes, and, a vacuum suction nozzle a is arranged on the fixed disc 2 and is communicated with the dust suction cavity;

plane screw thread expansion axle 8 includes vortex groove dish 81 and connecting axle 82, the below of slip disc 9 is located to vortex groove dish 81, the one end and the vortex groove dish 81 of connecting axle 82 are connected, the other end and the second driving medium 6 of connecting axle 82 are connected, first drive unit 3 drives collection dirt dish 7 through first driving medium 5 and rotates, second drive unit 4 drives plane screw thread expansion axle 8 through second driving medium 6 and rotates, and is a plurality of polishing subassembly 10 sliding connection is on slip disc 9 and is the circumference array and distributes, in the one end embedding vortex groove dish 81 of polishing subassembly 10.

The working mode of the embodiment is as follows: when the polishing machine works, the first driving part 3 drives the dust collecting disc 7 to rotate through the first transmission part 5, the dust collecting disc 7 drives the sliding disc 9 to rotate, the sliding disc 9 drives the polishing components 10 to rotate, meanwhile, the second driving part 4 drives the plane thread expanding shaft 8 to rotate through the second transmission part 6, the rotation of the plane thread expanding shaft 8 enables one end of each polishing component 10 to slide along the spiral groove on the spiral groove disc 81, the polishing components 10 extend outwards along the radial direction of the sliding disc 9, so that the movable radius of each polishing component 10 is increased, then polishing treatment is carried out on a workpiece to be polished, in the polishing process of the workpiece, a dust suction cavity formed between the dust collecting disc 7 and the fixed disc 2 is vacuumized through the vacuum suction nozzle a, and therefore chips and powder generated in the polishing process enter the dust suction cavity through the dust suction holes; when the dead angle of the workpiece is ground, the first driving part 3 drives the plane thread expanding shaft 8 to rotate reversely, so that the polishing component 10 is retracted inwards along the radial direction of the sliding disc 9, the movable radius of the polishing component 10 is reduced, after the movable radius of the polishing component 10 is reduced, the first driving part 3 stops driving the plane thread expanding shaft 8 to rotate, then the dead angle of the workpiece is ground, the problem that the dead angle of the workpiece is large can be effectively solved, and the polishing effect of the workpiece is better.

Preferably, the first driving part 3 and the second driving part 4 are both driven by a motor.

Based on the above embodiment, as shown in fig. 6, further, the polishing assembly 10 includes a sliding block 101, a sponge pad 102 and a polishing sheet 103, the sliding block 101, the sponge pad 102 and the polishing sheet 103 are all arranged in a fan shape, the sliding block 101 is slidably connected to the sliding disk 9, one end of the sliding block 101 is embedded into the spiral fluted disc 81, the sponge pad 102 is fixed on the bottom surface of the sliding block 101, and the polishing sheet 103 is arranged on the bottom surface of the sponge pad 102; specifically, during operation, the one end of slider 101 slides along the vortex groove of vortex groove dish 81, simultaneously along the radial slip of slip disc 9, slider 101 drives foam-rubber cushion 102 and polishing piece 103 and slides, thereby realize that the movable radius of polishing piece 103 becomes big or diminishes, it is adjustable to reach the movable radius of polishing piece 103, thereby solve the great problem in dead angle of polishing, make the polishing effect of work piece better, set up foam-rubber cushion 102 simultaneously between slider 101 and polishing piece 103, can play the effect of buffering, can protect polishing piece 103 better and further ensure the polishing effect of work piece.

Based on the above embodiment, as shown in fig. 2 and fig. 4, further, the first transmission member 5 includes a bevel gear 51 and a transmission gear 52, the bevel gear 51 is connected to the output end of the first driving member 3, one end of the transmission gear 52 passes through the fixed disk 2 and then is engaged with the bevel gear 51, the other end of the transmission gear 52 passes through the fixed disk 2 and then is engaged with the dust collecting disk 7, and the other end of the connection shaft 82 extends along the axis of the transmission gear 52 and is connected to the second transmission member 6; during operation, first drive component 3 drives bevel gear 51 and rotates, and bevel gear 51 drives driving tooth 52 and rotates, and driving tooth 52 drives collection dirt dish 7 and rotates, and collection dirt dish 7 drives polishing subassembly 10 rotatory to polish polishing work to the work piece, mechanical type transmission, the transmission is more reliable.

As shown in fig. 2 and 5, based on the above embodiment, further, the second transmission member 6 includes a transmission core shaft 61, a clutch sliding sleeve 62 and a clutch driven rod 63, one end of the transmission core shaft 61 is connected to the output end of the second driving member 4, one end of the clutch sliding sleeve 62 is engaged with the other end of the transmission core shaft 61, one end of the clutch driven rod 63 extends into the transmission teeth 52 and is connected to the other end of the connection shaft 82, the other end of the clutch sliding sleeve 62 and the other end of the clutch driven rod 63 are arranged up and down correspondingly, a first electromagnet 64 is arranged in the transmission core shaft 61, and a second electromagnet 65 is arranged in the clutch sliding sleeve 62 and corresponds to the first electromagnet 64; when the polishing assembly 10 works, the first electromagnet 64 and the second electromagnet 65 are electrified, so that the first electromagnet 64 and the second electromagnet 65 are mutually repelled, the clutch sliding sleeve 62 falls onto the clutch driven rod 63, the clutch sliding sleeve 62 is magnetically connected with the clutch driven rod 63 under the action of the second electromagnet 65, the transmission mandrel 61 is connected with the clutch driven rod 63, then the second driving component 4 drives the transmission mandrel 61 to rotate, the transmission mandrel 61 drives the clutch driven rod 63 to rotate, the clutch driven rod 63 drives the connecting shaft 82 to rotate, the connecting shaft 82 drives the vortex-shaped groove disc 81 to rotate, and the movable radius of the polishing assembly 10 is adjusted; when the movable radius of the polishing assembly 10 does not need to be changed, the first electromagnet 64 and the second electromagnet 65 attract each other, so that the clutch sliding sleeve 62 is separated from the clutch driven rod 63, namely, the transmission mandrel 61 is disconnected from the clutch driven rod 63, and the movable radius of the polishing assembly 10 is kept unchanged.

On the basis of above-mentioned embodiment, furtherly, fixed disk 2 is equipped with the ring arch, collection dirt dish 7 is equipped with the ring recess, the protruding gomphosis of ring is in the ring recess, and the dust absorption chamber that forms between messenger's fixed disk 2 and the collection dirt dish 7 is cyclic annular, avoids piece and powder to enter into between driving gear 52 and the collection dirt dish 7, influences driving gear 52 and drives collection dirt dish 7 and rotate, and the structure is more reliable.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.