阅读说明：本技术 一种筒式抛光机 (Barrel type polishing machine ) 是由 金浩星 赵凤松 朱喆 郭庆彬 闫小瑞 李晓峰 于 2021-08-16 设计创作，主要内容包括：本申请涉及一种筒式抛光机,其包括机体、安装在机体上用于容纳抛光石的沙池以及用于带动工件转动的驱动系统,所述驱动系统包括n级传动机构,每一级所述传动机构均对应包括转轴和转盘,n≥1,其中,第n级圆盘转动安装于第n级转轴上,第n级转轴转动安装在第n-1级圆盘的边缘,所述第n-1级圆盘上安装有两个及以上的第n级转轴,所述机体上安装有用于带动沙池升降以使工件嵌入在沙池中的升降组件,靠近工件的所述圆盘上安装有用于将工件固定在靠近工件的圆盘上的锁定组件。本申请在对工件外表进行抛光时,具有能多个工件同时进行复杂旋转运动,从而对工件进行充分打磨的特点,从而达到提高工件抛光效率的效果。(The utility model relates to a cylinder burnishing machine, it includes the organism, installs the husky pond that is used for holding the polishing stone on the organism and be used for driving work piece pivoted actuating system, actuating system includes n level drive mechanism, each level drive mechanism all corresponds including pivot and carousel, and n is greater than or equal to 1, and wherein, nth level disc rotates and installs in nth level pivot, and nth level pivot rotates the edge of installing at nth level disc, install two and above nth level pivots on the nth level disc of 1, install on the organism and be used for driving husky pond lift so that the work piece imbeds the lifting unit in husky pond, be close to the work piece install on the disc and be used for fixing the locking Assembly on the disc that is close to the work piece with the work piece. This application is when polishing the work piece outward appearance, has and to carry out complicated rotary motion simultaneously by a plurality of work pieces to carry out the characteristics of fully polishing to the work piece, thereby reach the effect that improves work piece polishing efficiency.)

1. A barrel polishing machine is characterized in that: the polishing machine comprises a machine body (10), a sand pool (11) which is arranged on the machine body (10) and used for containing polishing stones, and a driving system which is used for driving a workpiece to rotate, wherein the driving system comprises n-stage transmission mechanisms, each stage of transmission mechanism correspondingly comprises a rotating shaft and a rotating disc, n is larger than or equal to 1, the nth-stage disc is rotatably arranged on the nth-stage rotating shaft, the nth-stage rotating shaft is rotatably arranged on the edge of the nth-1-stage disc, two or more nth-stage rotating shafts are arranged on the nth-1-stage disc, a lifting assembly which is used for driving the sand pool (11) to lift so that the workpiece is embedded into the sand pool (11) is arranged on the machine body (10), and a locking assembly which is used for fixing the workpiece on the disc close to the workpiece is arranged on the disc close to the workpiece.

2. The barrel polishing machine according to claim 1, wherein: the driving system further comprises a driving motor (4) arranged on the machine body (10), each stage of transmission mechanism further comprises a central wheel, a planet wheel and an inner gear ring, wherein the first stage of transmission mechanism comprises a first stage central wheel (410), a first stage planet wheel (411) and a first stage inner gear ring (412), the corresponding rotating shaft is a first stage shaft (41), and the corresponding rotating disc is a first stage disc (1); the second-stage transmission mechanism comprises a second-stage central wheel (420), a second-stage planet wheel (421) and a second-stage inner gear ring (422), the corresponding rotating shaft is a second-stage shaft (42), the corresponding rotating disc is a second-stage disc (2), and so on, the nth-stage transmission mechanism comprises an n-stage central wheel, an n-stage planet wheel and an n-stage inner gear ring, the corresponding rotating shaft is an n-stage shaft, the corresponding rotating disc is an n-stage disc,

the inner gear rings are rotatably connected with the same-stage rotating shaft, the central wheel is meshed with the planet wheels of the same stage, the planet wheels are meshed with the inner gear rings of the same stage, the planet wheels of the previous stage are arranged on the rotating shaft of the next stage, the inner gear rings (412) of the first stage are fixedly arranged on the machine body (10), and the inner gear rings of the same stage are fixed.

3. The barrel polishing machine according to claim 1, wherein: n = 3.

4. The barrel polishing machine according to claim 1, wherein: except for the first-stage shaft (41), the other rotating shafts are all rotatably sleeved with reversing shells (44), the reversing shells (44) are fixed to each other at the same stage, the rotating shafts are located in the middle of the reversing shells (44) and are all disconnected, driving bevel gears (45) are installed at disconnected ends, and driven bevel gears (46) which are meshed with the two driving bevel gears (45) are rotatably installed on the reversing shells (44).

5. The barrel polishing machine according to claim 1, wherein: the locking subassembly includes a locking section of thick bamboo (5) of being connected with last level disc drive, a locking hole (50) has been seted up to a locking section of thick bamboo (5) keeping away from last level disc terminal surface, the embedded anchor clamps (51) that are used for the centre gripping work piece that have in locking hole (50), locking hole (50) bilateral symmetry slidable mounting has semicircle strip (52), set up ring groove (53) that supply two semicircle strips (52) to form ring embedding on anchor clamps (51), install on a locking section of thick bamboo (5) and be used for driving two semicircle strips (52) gliding transmission assembly in a locking section of thick bamboo (5).

6. The barrel polishing machine of claim 5, wherein: the transmission assembly comprises a push rod (54) rotatably installed in the middle of the semicircular strip (52), a pressing block (55) is installed on the outer side of the locking cylinder (5) in a sliding mode, the sliding direction of the pressing block (55) is perpendicular to the sliding direction of the semicircular strip (52), one end, far away from the semicircular strip (52), of the push rod (54) is rotatably installed on the pressing block (55), and the semicircular strip (52) is connected with the locking cylinder (5) through an elastic piece (56).

7. The barrel polishing machine according to claim 1, wherein: the lifting assembly comprises a lifting frame (6) which is slidably mounted on the machine body (10), a lifting motor (60) is mounted on the machine body (10), a screw rod (61) which is in threaded connection with the lifting frame (6) is connected to the output end of the lifting motor (20) in a transmission manner, a plurality of guide rods (62) which are slidably connected with the lifting frame (6) are mounted on the machine body (10), and the guide rods (62) are parallel to the length direction of the screw rod (61).

8. The barrel polisher of claim 7 with: a transport frame (7) is placed at the bottom of the lifting frame (6), and a plurality of universal wheels (70) are installed at the bottom of the transport frame (7).

9. The barrel polisher of claim 8 with: a pulley block (71) is installed at the top of the lifting frame (6), and fixing components for fixing the sand pool (11) are installed on the transportation frame (7) and the lifting frame (6).

10. The barrel polisher of claim 9 with: fixed subassembly includes gag lever post (72) that the embedding was installed in transportation frame (7) both sides, gag lever post (72) and husky pond (11) outside looks adaptation butt, gag lever post (72) both sides are rotated and are installed connecting rod (73), dead lever (74) on embedding crane (6) are installed in the rotation of gag lever post (72) one end is kept away from in connecting rod (73).

Technical Field

The application relates to the field of polishing machines, in particular to a barrel type polishing machine.

Background

The polishing machine is processing equipment for polishing the surface of a workpiece to enable the surface of the workpiece to reach required roughness, and comprises a motor, wherein a sponge or a polishing disc is arranged at the output end of the motor, and the motor drives the sponge or the polishing disc to rotate at a high speed, so that the sponge or the polishing disc is rubbed with the surface of the workpiece, and the purposes of removing paint surface pollution, an oxide layer and shallow marks are achieved.

And to some apparent shapes not plane etc. than more complicated work pieces, need adopt less sponge piece can the polishing disk to carry out manual operation polishing to the work piece surface, very troublesome, consequently, to the complicated work piece of surface handing, can place single work piece in the husky pond that is full of gravel and sand to drive the work piece high-speed rotation in the husky pond through the driving piece, thereby make the continuous abundant friction of gravel and sand in the husky pond of work piece, thereby can polish the surface of work piece, reduce the trouble of artifical polishing.

In view of the above-described related art, the inventors have considered that the efficiency is low by performing the self-rotation grinding operation of the workpiece in the sand, and have awaited further improvement.

Disclosure of Invention

To improve the efficiency of workpiece surface polishing, the present application provides a barrel polisher.

The application provides a cylinder burnishing machine adopts following technical scheme:

a barrel type polishing machine comprises a machine body, a sand pool and a driving system, wherein the sand pool is arranged on the machine body and used for containing polishing stones, the driving system is used for driving a workpiece to rotate, the driving system comprises n-stage transmission mechanisms, each stage of transmission mechanisms respectively and correspondingly comprise a rotating shaft and a rotating disc, n is not less than 1, an nth-stage disc is rotatably arranged on an nth-stage rotating shaft, the nth-stage rotating shaft is rotatably arranged at the edge of an nth-1-stage disc, two or more nth-stage rotating shafts are arranged on the nth-1-stage disc, a lifting assembly used for driving the sand pool to lift so that the workpiece is embedded into the sand pool is arranged on the machine body, and a locking assembly used for fixing the workpiece on the disc close to the workpiece is arranged on the disc close to the workpiece.

Through adopting above-mentioned technical scheme, installation husky pond, actuating system, n level drive mechanism, pivot, carousel, lifting unit and locking subassembly are fixed a plurality of work pieces through locking the subassembly and are close to the work piece on the disc, through actuating system, drive the work piece and carry out n level drive mechanism to make the work piece do complicated rotary motion, thereby make the work piece can be more abundant fully rub with the gravel and sand, thereby improve the polishing efficiency and the quality of work piece.

Optionally, the driving system further includes a driving motor mounted on the machine body, each stage of the transmission mechanism further includes a center wheel, a planet wheel and an inner gear ring, wherein the first stage of the transmission mechanism includes a first stage of center wheel, a first stage of planet wheel and a first stage of inner gear ring, the corresponding rotating shaft is a first stage shaft, and the corresponding rotating disc is a first stage disc; the second-stage transmission mechanism comprises a second-stage central wheel, a second-stage planet wheel and a second-stage inner gear ring, the corresponding rotating shaft is a second-stage shaft, the corresponding rotating disc is a second-stage disc, and so on, the nth-stage transmission mechanism comprises an n-stage central wheel, an n-stage planet wheel and an n-stage inner gear ring, the corresponding rotating shaft is an n-stage shaft, the corresponding rotating disc is an n-stage disc, the inner gear ring is rotatably connected with the same-stage rotating shaft, the central wheel is meshed with the planet wheel of the same stage, the planet wheel is meshed with the inner gear ring of the same stage, the previous-stage planet wheel is installed on the next-stage rotating shaft, the first-stage inner gear ring is fixedly installed on the machine body, and the inner gear rings of the same stage are fixed with each other.

Through the husky pond of installation, the one-level disc, the second grade disc, tertiary disc, actuating system, lifting unit and locking Assembly, pass through locking Assembly with a plurality of work pieces and fix on the disc that is close to the work piece, utilize actuating system to drive the high-speed rotation of work piece, and lifting unit inserts the work piece in husky pond, can polish the operation to a plurality of work pieces, thereby improve the efficiency that the work piece was polished, and simultaneously, set up the one-level disc, the second grade disc, tertiary disc, and the second grade disc rotates around the one-level disc center, tertiary disc rotates around the second grade disc center, analogize with this, thereby can make the work piece can produce more complicated rotary motion in husky pond, with the efficiency of polishing between work piece and the husky pond of improvement, thereby can further improve the efficiency of polishing of work piece.

Optionally, n = 3.

By adopting the technical scheme, the driving motor drives the primary shaft and the primary central wheel to rotate by arranging the three-stage transmission mechanism, under the limitation of the primary inner gear ring, the primary planet gear meshed with the primary central wheel not only rotates around the central line of the primary central wheel, but also rotates around the central line of the primary planet gear, the primary central wheel can drive the secondary shaft to move complexly, under the action of the transmission group of the secondary central wheel and the primary secondary annular gear of the secondary planet wheel, the secondary planet wheel can rotate around the central line of the central wheel and simultaneously rotate around the central line of the secondary planet wheel, thereby make the tertiary axle of being connected with the transmission of second grade planet wheel drive the work piece and carry out more complicated multistage rotary motion, not only can realize the effect that a plurality of work pieces were polished simultaneously, can also improve the friction efficiency of work piece and gravel and sand, then can improve the efficiency of polishing of work piece to improve work piece production efficiency.

Optionally, except for the first-stage shaft, the other rotating shafts are rotatably sleeved with reversing shells, the reversing shells in the same stage are fixed to each other, the rotating shafts are located in the middle of the reversing shells and are all disconnected, driving bevel gears are mounted at disconnected ends, and driven bevel gears meshed with the two driving bevel gears are rotatably mounted on the reversing shells.

By adopting the above technical scheme, through installing the switching-over shell, drive bevel gear and driven bevel gear, second grade axle and tertiary axle one end drive bevel gear and rotate, through driven bevel gear's switching-over, can make the drive bevel gear of the other end counter-rotating, reach the effect of switching-over, at this moment, on same radius line, tertiary axle is around the tangent direction of second grade centre wheel pivoted and tertiary off-axial flange rotation tangent direction of one side from second grade centre wheel the same, thereby can accelerate the friction between work piece and the gravel and sand, equally, second grade axle is around and centre wheel pivoted tangent direction and secondary off-axial flange rotation tangent direction of one side from first grade centre wheel the same, with further accelerate the friction between work piece and the gravel and sand, thereby improve the polishing efficiency of work piece.

Optionally, the locking subassembly includes the locking section of thick bamboo of being connected with last level disc drive, a locking hole has been seted up to a locking section of thick bamboo keeping away from a last level disc terminal surface, the embedding has the anchor clamps that are used for the centre gripping work piece in the locking hole, locking hole bilateral symmetry slidable mounting has the semicircle strip, set up the ring groove who supplies the ring embedding that two semicircle strips formed on the anchor clamps, install on the locking section of thick bamboo and be used for driving two semicircle strips gliding drive assembly in a locking section of thick bamboo.

Through adopting above-mentioned technical scheme, installation locking cylinder, anchor clamps, semicircle strip and ring groove and drive assembly, operation drive assembly can open two semicircle strips to make the semicircle strip leave ring groove position, with unblock anchor clamps, thereby be convenient for install and dismantle anchor clamps, improve the efficiency of work piece polishing, simultaneously, this kind of mounting means simple structure, the installation is firm, thereby makes the work piece more stable at the in-process of polishing, can improve the quality of polishing of work piece.

Optionally, the transmission assembly comprises a push rod rotatably installed in the middle of the semicircular strip, the locking cylinder is slidably installed outside the pressing block, the sliding direction of the pressing block is perpendicular to that of the semicircular strip, one end, far away from the semicircular strip, of the push rod is rotatably installed on the pressing block, and the semicircular strip is connected with the locking cylinder through an elastic piece.

Through adopting above-mentioned technical scheme, the installation push rod, press the briquetting and the elastic component, press the briquetting through supporting pressing, under the transmission of push rod, overcome the elasticity of elastic component, drive the semicircle strip and open to unblock anchor clamps, the mode of installation and dismantlement is simple, convenient operation.

Optionally, the lifting assembly comprises a lifting frame slidably mounted on the machine body, a lifting motor is mounted on the machine body, the output end of the lifting motor is in transmission connection with a screw rod in threaded connection with the lifting frame, a plurality of guide rods slidably connected with the lifting frame are mounted on the machine body, and the guide rods are parallel to the length direction of the screw rod.

Through adopting above-mentioned technical scheme, the installation crane, elevator motor, lead screw and guide bar, elevator motor can drive the lead screw and rotate, thereby make the elevator with lead screw threaded connection do the elevating movement under the guide of guide bar, with the lift of driving the husky pond of installing on the crane, on the one hand, can insert the work piece and carry out the polishing operation in husky pond, in the polishing process, also and can realize the upper and lower vibration in husky pond through elevator motor's positive and negative commentaries on classics, with the friction effect of further improvement gravel and sand and work piece, thereby improve the polishing effect of work piece.

Optionally, a transportation frame is placed to the crane bottom, a plurality of universal wheels are installed to transportation frame bottom.

Through adopting above-mentioned technical scheme, installation transportation frame and universal wheel can be convenient for transport the sand pond to the crane to reduce workman's intensity of labour, improve workman's labor efficiency.

Optionally, a pulley block is installed at the top of the lifting frame, and fixing assemblies for fixing the sand pool are installed on the transportation frame and the lifting frame.

Through adopting above-mentioned technical scheme, installation assembly pulley and fixed subassembly can shift husky pond on crane and transportation frame to reduce the trouble of artifical transport, improve workman's work efficiency.

Optionally, the fixed subassembly includes that the embedding is installed at the gag lever post of transportation frame both sides, gag lever post and husky pond outside looks adaptation butt, the gag lever post both sides are rotated and are installed the connecting rod, the connecting rod is kept away from gag lever post one end and is rotated and install the dead lever on the embedding crane.

Through adopting above-mentioned technical scheme, installation gag lever post, connecting rod and dead lever, gag lever post one side can with husky pond outside butt for the position in husky pond of restriction, the dead lever embedding can be fixed mutually husky pond and transportation frame and crane when the crane, simple structure, convenient operation, it is fast to go up the hand, and is with low costs, can be convenient, stabilize the position in husky pond better.

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

1. by installing the first-stage disc, the second-stage disc, the third-stage disc, the driving motor, the first-stage shaft, the second-stage shaft, the third-stage shaft and the like, a plurality of workpieces can be installed on the third-stage disc, and the workpieces are driven to perform complex rotary motion on the sand table in a multi-stage transmission mode, so that sand and stones are fully rubbed with the surfaces of the workpieces, and the polishing quality and efficiency of the workpieces are improved;

2. the reversing shell, the driving bevel gear and the driven bevel gear are mounted, and the rotating directions of the secondary shaft and the tertiary shaft are adjusted, so that the three-stage rotating modes are coordinated with each other, the effect of fully rubbing with sand and stone is achieved, and the polishing quality and efficiency of workpieces can be further improved;

3. the workpiece is firstly installed in the clamp by installing the locking cylinder, the clamp, the semicircular strip, the push rod, the pressing block and the elastic block, and then the clamp is installed by pressing the pressing block, so that the installation mode is simple and convenient, and the working efficiency of workers can be improved;

4. through installation transportation frame, universal wheel, assembly pulley, gag lever post, connecting rod and dead lever, the workman of can being convenient for removes and stabilizes husky pond to make the frictional motion between husky pond and the work piece more stable.

Drawings

Fig. 1 is a schematic view of a transportation rack in use according to an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a schematic sectional view of a drive system according to embodiment 1 of the present application.

Fig. 4 is a schematic diagram of the direction change of the secondary shaft and the tertiary shaft in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of a reversing shell in the embodiment of the application.

Fig. 6 is an enlarged schematic view of a portion a in fig. 1.

Fig. 7 is a schematic view of a partial cross-sectional structure of a locking assembly in an embodiment of the present application.

Fig. 8 is a schematic sectional view of a drive system according to embodiment 2 of the present application.

Description of reference numerals:

1. a first-stage disc; 10. a body; 11. a sand pool; 2. a secondary disc; 3. a third-stage disc; 4. a drive motor; 41. a primary shaft; 410. a first-stage center wheel; 411. a primary planet wheel; 412. a primary annular gear; 413. a first fixed disk; 42. a secondary shaft; 420. a secondary central wheel; 421. a secondary planet wheel; 422. a secondary annular gear; 423. a second fixed disk; 43. a tertiary shaft;

44. a reversing shell; 440. combining the blocks; 441. bundling the strips; 45. a drive bevel gear; 46. a driven bevel gear; 5. a locking cylinder; 50. a locking hole; 51. a clamp; 52. a semicircular strip; 53. an annular neck; 54. a push rod; 55. a pressing block; 56. an elastic member; 6. a lifting frame; 60. a lifting motor; 61. a screw rod; 62. a guide bar; 7. a transport rack; 70. a universal wheel; 71. a pulley block; 72. a limiting rod; 73. a connecting rod; 74. and (5) fixing the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a cylinder burnishing machine.

Example 1:

referring to fig. 1 and 2, the barrel polishing machine includes a machine body 10, in this embodiment, a sand pool 11 for accommodating polishing stones and a lifting assembly for driving the sand pool 11 to ascend and descend are installed on the machine body 10, the machine body 10 is further provided with a driving system, the driving system includes n-stage transmission mechanisms, each stage of transmission mechanism correspondingly includes a rotating shaft and a rotating disc, n is greater than or equal to 1, wherein the nth-stage disc is rotatably installed on the same-stage rotating shaft, more than two nth-stage rotating shafts are rotatably installed on the edge of the nth-1-stage disc, and the driving system is used for driving the rotating shafts to rotate.

The last-stage disc close to the workpiece is provided with the locking assembly, the locking assembly can lock the workpiece on the last-stage disc, the workpieces are embedded into the sand pool 11 through the driving of the driving system and the lifting assembly, and the workpieces are driven to do complex rotary motion through the driving system, so that the workpieces are fully rubbed with sand and stones, and the polishing efficiency and quality of the workpieces are improved.

In this embodiment, the lifting assembly comprises a lifting frame 6, the lifting frame 6 is vertically and slidably mounted on the machine body 10, the lifting frame 6 is located under the workpiece mounting position, the sand pool 11 is mounted on the lifting frame 6, the lifting motor 60 is mounted on the machine body 10, the output end of the lifting motor 60 is in transmission connection with a screw rod 61, and the screw rod 61 is vertically and rotatably mounted on the machine body 10.

In this embodiment, the screw rod 61 is in threaded connection with the lifting frame 6, so that the lifting motor 60 can drive the screw rod 61 to rotate, so that the lifting frame 6 is lifted, and the sand pool 11 is driven to stably lift.

In order to further improve the lifting stability of the sand pool 11 and the sliding stability of the lifting frame 6, in this embodiment, a plurality of vertically arranged guide rods 62 are installed on the machine body 10, and the lifting frame 6 is correspondingly provided with guide cylinders sleeved on the guide rods 62, so that the lifting frame 6 can stably move up and down under the guiding action of the guide rods 62.

Since a large amount of polished stones are contained in the sand pool 11, the worker is very troublesome when moving the sand pool 11, and in order to solve this problem, in the present embodiment, the transport frame 7 is placed at the bottom of the lifting frame 6, and four universal wheels 70 are installed at the bottom of the transport frame 7, so that the sand pool 11 can be moved by the transport frame 7.

In the embodiment, in order to further reduce the trouble of carrying the sand pool 11 by workers, pulley blocks 71 are installed on both sides of the top of the lifting frame, the pulley blocks 71 are composed of a plurality of rollers arranged side by side, and fixing components for fixing the sand pool 11 are installed on the transportation frame 7 and the lifting frame 6.

The fixed subassembly includes that the embedding installs the gag lever post 72 in the transportation frame 7 both sides, and the gag lever post 72 is the U form of invering, and the middle part position of gag lever post 72 and the outside looks adaptation butt in husky pond 11 to can restrict husky pond 11, the both ends embedding of gag lever post 72 is on transportation frame 7, thereby can restrict husky pond 11 on transportation frame 7 steadily.

Rotate in gag lever post 72 both sides and install connecting rod 73, connecting rod 73 is kept away from gag lever post 72 one end and is installed dead lever 74, place when transportation frame 7 when husky pond 11, dead lever 74 can imbed at transportation frame 7 top, in order to accomodate dead lever 74, when husky pond 11 need shift to crane 6 on, imbed dead lever 74 on crane 6, then through drive crane 6 rebound, can drive husky pond 11 and leave transportation frame 7, and simultaneously, also can lift gag lever post 72 from transportation frame 7, at this moment, the transfer in husky pond 11 has just been accomplished, whole journey does not need artifical transport, mode and structure are all simple and convenient, the cost of manufacture is low, economic benefits is high, and meanwhile, the work efficiency of workers can be improved.

Referring to fig. 3, in this embodiment, the driving system further includes a driving motor 4 installed on the machine body 10, each stage of transmission mechanism further includes a center wheel, a planet wheel and an inner gear ring, wherein the first stage of transmission mechanism includes a first-stage center wheel 410, a first-stage planet wheel 411 and a first-stage inner gear ring 412, and the corresponding rotating shaft is a first-stage disc 1 corresponding to the first-stage shaft 41;

the second-stage transmission mechanism comprises a second-stage central wheel 420, a second-stage planet wheel 421 and a second-stage inner gear ring 422, the corresponding rotating shaft is a second-stage shaft 42, the corresponding rotating disc is a second-stage disc 2, the output end of the driving motor is in transmission connection with the first-stage shaft 41, and so on, the nth-stage transmission mechanism comprises an n-stage central wheel, an n-stage planet wheel and an n-stage inner gear ring, the corresponding rotating shaft is an n-stage shaft, and the corresponding rotating disc is an n-stage disc.

The inner gear ring is rotatably connected with the same-stage rotating shaft, the central wheel is meshed with the planet wheel of the same stage, the planet wheel is meshed with the inner gear ring of the same stage, the planet wheel of the previous stage is arranged on the rotating shaft of the next stage, the inner gear ring of the first stage is fixed on the machine body 10, and the inner gear rings of the same stage are fixed.

In this embodiment, the reduction gear is installed to driving motor 4's output, and the reduction gear includes speed reduction internal tooth and speed reduction ring gear, and driving motor 4's output is connected with speed reduction internal tooth transmission, and speed reduction internal tooth and the internal gearing of speed reduction ring gear, 4 one end and one-level axle 41 fixed connection are kept away from to the speed reduction ring gear, and the central line of one-level axle 41 coincides mutually with the central line of speed reduction ring gear to can make driving motor 4 drive the stable rotation of one-level axle 41.

In this embodiment, n =3, one end of the primary shaft 41, which is far away from the reduction gear ring, is fixedly connected to the primary central wheel 410, the center line of the primary central wheel 410 coincides with the center line of the primary shaft 41, the primary disc 1 is rotatably installed in the middle of the primary shaft 41, a plurality of secondary shafts 42 are uniformly and annularly arranged on the circumference of the primary disc 1, the secondary shafts 42 are rotatably connected to the primary disc 1, the primary planetary wheels 411 are installed on the secondary shafts 42, the primary planetary wheels 411 are engaged with the primary central wheel 410, the primary ring gear 412 is fixedly installed on the body 10, the rotation center line of the primary ring gear 412 coincides with the rotation center line of the primary central wheel 410, and the primary planetary wheels 411 are further engaged with the primary ring gear 412.

When the primary shaft 41 is driven to rotate, the primary central wheel 410 can be driven to rotate, and under the limitation of the primary annular gear 412, the primary planet wheel 411 rotates around the central line of the primary central wheel 410 and also rotates around the central line of the primary planet wheel.

In this embodiment, a secondary central wheel 420 is installed at one end, away from the primary disc 1, of the secondary shaft 42, the secondary disc 2 is installed in the secondary shaft 42 in a rotating manner, a plurality of tertiary shafts 43 are annularly arranged on the outer edge circumference of one side, away from the primary disc 1, of the secondary disc 2, the tertiary shafts 43 are rotatably connected with the secondary disc 2, a secondary planet wheel 421 is installed in the middle of the tertiary shaft 43, the secondary planet wheel 421 is meshed with the secondary central wheel 420, a first fixing disc 413 is installed between the primary central wheel 410 and the secondary disc 2, a plurality of circumferential holes are formed in the first fixing disc 413, the secondary shaft 42 is inserted in the circumferential holes and rotatably connected with the first fixing disc 413, and when the secondary shaft 42 rotates around the central line of the primary shaft 41, the first fixing disc 413 also rotates around the central line of the primary shaft 41.

In this embodiment, a plurality of secondary ring gears 422 are mounted on the first fixing plate 413 on the side away from the primary central wheel 410, the center lines of the secondary ring gears 422 coincide with the center lines of the corresponding secondary shafts 42, and the secondary ring gears 422 are internally meshed with the secondary planet gears 421.

When the secondary shaft 42 rotates around the center line of the primary shaft 41, the first fixing disk 413, the secondary ring gear 422 and the secondary disk 2 all rotate around the center line of the primary shaft 41, and meanwhile, when the secondary shaft 42 rotates around the center line of itself, the secondary central wheel 420 rotates along with the rotation of the secondary shaft 42, the secondary planet wheels 421 meshed with the secondary central wheel 420 and the secondary ring gear 422 not only rotate around the center line of the secondary shaft 42, but also rotate around the center line of itself, and the tertiary shaft 43 can rotate around the center lines of the primary shaft 41, the secondary shaft 42 and itself when viewed integrally.

In this embodiment, the third-stage disc 3 is installed at one end of the third-stage shaft 43 far away from the second-stage disc 2, so that the third-stage disc 3 can perform complex third-stage circular motion along with the third-stage shaft 43, and a workpiece installed on the third-stage disc 3 can perform complex third-stage circular motion in the sand pool 11, so that sand and stones in the sand pool 11 can be sufficiently and uniformly rubbed with the workpiece, and the surface of the workpiece can be polished efficiently and high-quality.

Referring to fig. 3 and a of fig. 4, in this embodiment, if the rotation direction of the secondary shaft 42 around the primary shaft 41 is clockwise, the rotation directions of the primary planet wheels 411 and the secondary center wheel 420 are both counterclockwise, so that the tangential direction of the peripheral speed of the workpiece far from the primary shaft 41 rotating around the center line of the secondary shaft 42 is opposite to the tangential direction of the peripheral speed of the workpiece rotating around the primary shaft 41, so that the workpiece cannot be efficiently rubbed with the gravel and sand, therefore, in this embodiment, referring to fig. 3 and b of fig. 4, a reversing structure can be installed on the secondary shaft 42, the reversing structure can make the tangential direction of the peripheral speed of the workpiece far from the primary shaft 41 rotating around the center line of the secondary shaft 42 opposite to the tangential direction of the peripheral speed of the workpiece far from the primary shaft 41 rotating around the center line of the secondary shaft 42, so as to accelerate the sanding speed of the workpiece far from the primary shaft 41, so that the polishing efficiency of the workpiece can be improved.

In other embodiments, different steering configurations are possible.

In this embodiment, at this time, when the rotation speed direction of the secondary center wheel 420 is clockwise, the rotation speed direction of the secondary planet wheels 421 and the tertiary disc 3 is counterclockwise, so that the peripheral speed tangential direction of the workpiece on the side away from the primary shaft 41 rotating around the center line of the tertiary shaft 43 is opposite to the peripheral speed tangential direction of the workpiece rotating around the primary shaft 41, so that the workpiece cannot be efficiently rubbed with the gravel and sand, therefore, in this embodiment, referring to fig. 3 and c of fig. 4, a steering structure may be installed on the tertiary shaft 43 so that the rotation direction of the tertiary disc 3 is opposite to the direction of the workpiece on the side away from the primary shaft 41 rotating around the center line of the tertiary shaft 43, so that the peripheral speed tangential direction of the workpiece on the side away from the primary shaft 41 rotating around the center line of the tertiary shaft 43 is the same as the peripheral speed tangential direction of the workpiece rotating around the primary shaft 41, so as to promote the rubbing of the gravel and sand, to further improve the polishing efficiency and quality of the workpiece.

In other embodiments, different steering configurations are possible.

Referring to fig. 3 and 5, in the present embodiment, the reversing structure includes a reversing shell 44 rotatably mounted on the secondary shaft 42 and the tertiary shaft 43, the reversing shell 44 mounted on the secondary shaft 42 is fixed on the first fixed disk 413, and may also be fixed on the inner side of the corresponding secondary ring gear 422, a second fixed disk 423 is mounted between the secondary central wheel 420 and the tertiary disk 3, the second fixed disk 423 is provided with a plurality of limiting holes, the tertiary shaft 43 penetrates through the limiting holes and is rotatably connected with the second fixed disk 423, and the reversing shell 44 on the tertiary shaft 43 is fixed on the second fixed disk 423.

The second-stage shaft 42 and the third-stage shaft 43 in the reversing shell 44 are both disconnected, the disconnected surfaces are at a preset distance, the disconnected ends of the second-stage shaft 42 and the third-stage shaft 43 are both provided with the driving bevel gear 45, the rotating center line of the driving bevel gear 45 is coincident with the center line of the correspondingly arranged second-stage shaft 42 or third-stage shaft 43, the two sides of the reversing shell 44 are both rotatably provided with the driven bevel gears 46, the rotating center line of the driven bevel gear 46 is vertical to the rotating center line of the driving bevel gear 45 in the same reversing shell 44, and the driving bevel gear 45 and the driven bevel gear 46 in the same reversing shell 44 are engaged, so that the rotating directions of the two ends of the second-stage shaft 42 are different, the rotating directions of the two ends of the third-stage shaft 43 are different, the reversing effect is realized, the multi-stage rotation of the workpiece is mutually coordinated, and the better polishing effect is achieved.

Referring to fig. 5, in the present embodiment, in order to facilitate the installation and removal of the reversing housing 44, the reversing housing 44 is divided into a plurality of combined blocks 440 along the position where the driving bevel gear 45 and the driven bevel gear 46 are installed, in the present embodiment, the combined blocks 440 are divided into two, the divided surface of the reversing housing 44 is parallel to the rotation center line of the corresponding secondary shaft 42 or tertiary shaft 43, a binding strip 441 is annularly arranged at the outer side of the reversing housing 44, both ends of the binding strip 441 extend to the same combined block 440, and are fixed to the same combined block 440 through fasteners, so that the two combined blocks 440 are stably installed, in the present embodiment, the fasteners may be screws, bolts, screws, and the like.

In order to further improve the installation stability between the combination blocks 440, in this embodiment, two binding strips 441 are disposed outside each direction-changing housing 44, and the contact surfaces of the two combination blocks 440 are engaged with each other, so as to facilitate the installation of the two combination blocks 440.

Referring to fig. 3 and 6, in the present embodiment, the locking assembly includes a locking cylinder 5 installed at one end of the third-stage disc 3 far from the third-stage shaft 43, referring to fig. 6 and 7, a locking hole 50 is opened on one end surface of the locking cylinder 5 far from the third-stage disc 3, a clamp 51 is installed in the locking hole 50 in an embedded manner, one end of the clamp 51 far from the locking cylinder 5 is used for clamping a workpiece, semicircular strips 52 are symmetrically and slidably installed at two sides of the locking hole 50, when two ends of the semicircular strips 52 are attached to each other, a locking ring is formed, the radius of the inner side of the locking ring is smaller than that of the locking hole 50, an annular clamping groove 53 is opened at one end of the clamp 51 embedded into the locking hole 50, and the annular clamping groove 53 is matched with the inner side of the locking ring.

In this embodiment, a transmission assembly is mounted on the locking cylinder 5, and the transmission assembly can drive the two semicircular strips 52 to slide outwards, so as to open the locking ring, so that the semicircular strips 52 leave the ring-shaped clamping groove 53, so that the clamp 51 can be pulled out of the locking hole 50 to install and remove the clamp 51.

In this embodiment, install the guide block in two semicircle strips 52 opposite side, set up the gliding guiding hole of confession guide block along semicircle strip 52 slip direction in locking hole 50 inboard, the guide block slides in the guiding hole, drive assembly is including rotating push rod 54 of installing on the guide block, it presses the briquetting 55 to slide to install according to installing in the locking section of thick bamboo 5 outside, the slip direction of pressing the briquetting 55 is mutually perpendicular with semicircle strip 52's slip direction, push rod 54 keeps away from guide block one end and rotates and install on pressing briquetting 55, install elastic component 56 between guide block and guiding hole bottom.

The pressing block 55 is pressed from the outer side of the locking cylinder 5, the push rod 54 is pushed to swing, so that the guide blocks on two sides slide in the guide holes by overcoming the elasticity of the elastic piece 56, the two semicircular strips 52 are driven to slide in the direction away from each other and are opened, the semicircular strips 52 leave the range of the annular clamping groove 53, and the clamp 51 is unlocked.

In the present embodiment, the elastic member 56 is preferably a coil spring, and in order to reduce the relative rotation between the clamp 51 and the locking cylinder 5, in the present embodiment, the cross section of the end of the clamp 51 inserted into the locking hole 50 is set to be a polygon, and the cross section of the bottom of the locking hole 50 is set to be a polygon matching the end of the clamp 51, so that the transmission efficiency between the clamp 51 and the locking cylinder 5 can be improved to ensure the polishing efficiency of the workpiece.

Referring to fig. 6, in this embodiment, one end of the fixture 51 is adapted to the locking hole 50, and the other end of the fixture is configured to clamp a workpiece according to an actual workpiece condition, in this embodiment, the fixture 51 includes a fixed disk and an adjusting disk which are arranged in parallel, the fixed disk is connected with the adjusting disk through a plurality of screws, a plurality of mounting holes are formed in an edge of the adjusting disk, the workpiece is embedded in the mounting holes, one end of the plurality of workpieces can be pressed against the fixed disk, so that the workpiece can be stably mounted on the fixture 51, and meanwhile, the fixture 51 can also be a chuck.

In other embodiments, the locking structure also includes a locking cylinder 5 provided with a locking hole 50, a clamp 51 and a screw rod in threaded connection with the locking cylinder 5, by rotating the screw rod, the clamp 51 provided with a workpiece can be abutted against the locking hole 50, so as to lock the workpiece arranged on the clamp 51 on the locking cylinder 5, in addition, the transmission assembly also includes a pulling block slidably arranged at two ends of the locking cylinder 5 in a penetrating manner, an elastic piece 56 is arranged between the two semicircular strips 52 and the locking cylinder 5, and by pulling the two pulling blocks, the semicircular strips 52 can be opened, thereby realizing the installation and the disassembly of the clamp 51.

Example 2:

referring to fig. 8, in this embodiment, n =2, one end of the primary shaft 41, which is away from the reduction gear ring, is fixedly connected to the primary central wheel 410, a center line of the primary central wheel 410 coincides with a center line of the primary shaft 41, the primary disc 1 is rotatably installed in the middle of the primary shaft 41, a plurality of secondary shafts 42 are uniformly and annularly arranged on the circumference of the primary disc 1, the secondary shafts 42 are rotatably connected to the primary disc 1, primary planet wheels 411 are installed on the secondary shafts 42, the primary planet wheels 411 are engaged with the primary central wheel 410, a primary ring gear 412 is fixedly installed on the machine body 10, a rotation center line of the primary ring gear 412 coincides with a rotation center line of the primary central wheel 410, and the primary planet wheels 411 are further engaged with the primary ring gear 412.

When the primary shaft 41 is driven to rotate, the primary central wheel 410 can be driven to rotate, and under the limitation of the primary annular gear 412, the primary planet wheel 411 rotates around the central line of the primary central wheel 410 and also rotates around the central line of the primary planet wheel.

In this embodiment, the second-stage shaft 42 is far from the first-stage disc 1, and the second-stage disc 2 is installed at one end of the second-stage shaft 42, so that the second-stage disc 2 can perform complex three-stage circular motion along with the second-stage shaft 42, a workpiece installed on the second-stage disc 2 can perform complex two-stage circular motion in the sand pool 11, and sand and stones in the sand pool 11 can be sufficiently and uniformly rubbed with the workpiece, so that the surface of the workpiece is polished efficiently and qualitatively.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.