TWM545663U - Planetary grinder - Google Patents

Description

Planetary grinder

The present invention relates to a planetary grinder, and more particularly to a planetary grinder that uses a hydraulic cylinder to increase the speed of the ring gear to increase the operating efficiency and reduce the damage rate to save maintenance costs.

According to the production method of metal parts, casting, forging or cutting are mainly used to produce the desired shape and size. When metal parts are manufactured by casting, forging or cutting, the edges and surfaces of the metal parts are usually uneven, burrs, scratches or fogging, which affects the precision and aesthetics of the metal parts. Therefore, when the metal parts are cast After forging or cutting, it usually has to be ground and polished to ensure its precision.

The grinding method of the existing grinding machine includes the circumference, the arc swing and the planetary operation, etc., wherein the planetary running effect and quality are better than other grinding methods, and the existing planetary running grinding machine is mainly provided with a sun gear in the center of a machine table, and a ring gear is disposed outside the sun gear, and a plurality of planetary gear pieces are disposed between the sun gear and the ring gear, and the plurality of planetary gear pieces are meshed with the sun gear and the ring gear, and a positioning portion is disposed on the planetary gear piece to The metal parts are set, whereby when the rotating power source is started to drive the sun gear to rotate, the planetary gear pieces on the circumferential side of the sun gear are driven by the sun gear to revolve the sun gear, and the planetary gear pieces are matched with the ring gear guide. The rotation motion, in order to produce a planetary running grinding trajectory for the metal parts mounted on the planetary gear pieces, to uniformly polish and polish the metal parts.

After the metal parts are polished and polished, the grinding machine drives the ring gear down by the electric cylinder provided below to release the ring gear to mesh and stop the planetary gear pieces, and then the operator can install the planetary gear pieces and install them. The upper metal part is drawn out in the direction of the ring gear, and the next metal part to be ground is mounted on the planetary gear piece, thereby driving the electric cylinder to drive the ring gear up and reset for the next grinding and polishing operation; however, the existing grinding machine utilizes the electric cylinder Driven ring gear lifting design, in use, it is found that due to the slow operation speed of the electric cylinder, the ring gear lifting time is longer, resulting in poor grinding and polishing work, and the electric cylinder is mainly driven by the rotary power source, and then the screw is driven. The screwed sleeve is actuated, and the sleeve of the electric cylinder is used to restrict the rotation of the sleeve, so that the sleeve moves linearly to drive the ring gear to be lifted and lowered. Therefore, when the electric cylinder is operated, not only the screw and the sleeve are screwed together. The thread is easy to wear, and the housing that restricts the rotation of the sleeve is also prone to damage, so that the electric cylinder must be repaired frequently, which not only has high maintenance cost. Another frequent maintenance operations also cause delays. In addition, vibration and noise phenomenon occurs when more electric cylinder operation.

The reason is that the creators have made many of the above-mentioned shortcomings in the implementation of the existing planetary grinders. Thanks to their many years of manufacturing and design experience and knowledge in related fields, and through many ingenuity, they have created this creation. .

The present invention relates to a planetary grinder whose main purpose is to provide a planetary grinder that uses a hydraulic cylinder to increase the speed of the ring gear to increase the operating efficiency and reduce the damage rate to save maintenance costs.

In order to achieve the above-mentioned implementation purpose, the present author has developed a planetary grinding machine which is provided with a machine table, and a sun gear is arranged at the center of the machine table, and a ring is arranged on the machine platform. The outer ring gear further has a grinding disc disposed between the sun gear and the ring gear, and a plurality of planetary gear pieces are disposed on the lower grinding disc, and the planetary gear piece is coupled with the sun gear and the ring gear Engaged, and at least one positioning portion is disposed on the planetary gear piece, and a hydraulic cylinder is disposed under the machine, and the output shaft of the hydraulic cylinder is coupled to the ring gear.

The planetary grinder as described above, wherein the underside of the sun gear is further provided with a shaft tube, and the upper end of the shaft tube is assembled with the sun gear, and the lower end of the shaft tube is combined with a first gear. And a second gear is disposed on the side of the first gear, and the second gear is meshed with the first gear, and a first rotating power source is further provided, and the first rotating power source and the second The gear centers are assembled.

The planetary grinder as described above, wherein the ring gear is further provided with a fixing base, and the ring gear is assembled with the upper end of the fixing seat, and the center of the lower end of the fixing seat is opposite to the upper end of the sleeve. And a fourth gear is disposed on the lower end of the sleeve, and a fourth gear is disposed on the side of the third gear, and the fourth gear is meshed with the third gear, and the fourth gear is coaxial a fifth gear is coupled to the fifth gear, and a sixth gear is disposed adjacent to the fifth gear, and the fifth gear is meshed with the sixth gear, and a second rotary power source is provided, and the second rotation is The power source is coupled to the sixth gear center.

A planetary mill as described above, wherein the fourth gear diameter is smaller than the fifth gear.

The planetary grinding machine as described above, wherein the lower grinding disc is further provided with a positioning seat, and the lower grinding disc is assembled with the upper end of the positioning seat, and the lower end of the positioning seat is at the upper end of the sleeve and the upper end of the sleeve. The sleeves are assembled, and a sleeve is formed in the sleeve of the ring gear and the sleeve is sleeved, so that the sleeve is sleeved in the sleeve hole of the sleeve, and the sleeve is formed with a set of sleeves a hole, and the shaft tube of the sun gear set is sleeved in the sleeve hole of the sleeve, and the lower end of the sleeve is assembled with a seventh gear, and the seventh gear is located beside the side The fifth gear meshes.

The planetary grinder as described above, wherein the sleeve further has at least one bearing formed between the cylindrical hole and the sleeve, and at least one of the sleeve is further assembled between the sleeve and the shaft tube. Bearing.

The planetary grinder as described above, wherein the planetary grinder further comprises a grinding set member, wherein the grinding set member is located above the sun gear, and a center rod is disposed under the grinding set member, and The sun gear is connected to the shaft tube to form a tube hole, and the center rod is inserted into the tube hole of the shaft tube of the sun gear, and a through hole is arranged in the center of the sun gear, and the upper end of the center rod is passed through. The central end of the sun gear is coupled to the grinding assembly, and the lower end of the center rod is coupled to a first transmission wheel, and a second transmission wheel is disposed opposite the first transmission wheel, and The first transmission wheel and the second transmission wheel are connected by a transmission belt, and a third rotary power source is disposed, and the third rotary power source is coupled to the center of the second transmission wheel.

The planetary grinder as described above, wherein the planetary grinder further comprises an upper grinding disc, wherein the upper grinding disc is located above the lower grinding disc and corresponds to the lower grinding disc, and the upper grinding disc A set of vertical holes is arranged in the center of the grinding disc to be assembled with the vertical set of the grinding set, and a plurality of engaging portions are formed on the peripheral wall of the grinding assembly, and a plurality of cards are arranged at the upper end of the upper grinding disc at the side of the set of vertical holes. The jaws are respectively fixed to the number of engaging portions of the peripheral wall of the polishing set member.

The planetary grinder as described above, wherein the planetary grinder further comprises a lifting power source adjacent to the upper grinding disc, and the lifting power source is coupled to the upper grinding disc.

The planetary grinding machine as described above, wherein the hydraulic cylinder and the ring gear are further provided with a fixing seat, a sleeve and a supporting frame, so that the upper end of the fixing seat is combined with the ring gear, and The center of the lower end of the fixing seat is assembled with the upper end of the sleeve, and the lower end of the sleeve is assembled with the upper end of the supporting frame, and the lower end of the supporting frame is assembled with the output shaft of the hydraulic cylinder.

Therefore, when the use is performed, the upper and lower grinding discs are ground and polished on the metal parts on the planetary gear pieces disposed therebetween, so that the hydraulic cylinder drives the ring gear to descend, and the planetary gear pieces are mounted thereon. After the metal parts are extracted and replaced with the metal parts to be processed, the hydraulic cylinders are used to drive the ring gears to be reset. According to this, the ring gear can be driven by the hydraulic cylinder to improve the lifting speed of the ring gears, thereby improving work efficiency and borrowing It is not easy to lose the characteristics of the hydraulic cylinder to reduce maintenance cost loss and work delay.

In order to make the technical means of this creation and the effect it can achieve, it can be more completely and clearly disclosed. For details, please refer to the following diagrams and drawings:

First of all, please refer to the first to third figures, which is the creation of the planetary grinding machine, which includes:

a machine (1) is formed at the upper end of the machine (1) with a receiving groove (11), and a discharge pipe (12) is connected to the bottom of the receiving groove (11);

a sun gear (2), the sun gear (2) is disposed at a center of the cavity (11) of the machine (1), and a shaft tube (21) is disposed below the sun gear (2), and The upper end of the shaft tube (21) is assembled with the sun gear (2), and the lower end of the shaft tube (21) is combined with a first gear (22), and beside the first gear (22) a second gear (23) is disposed on the side, and the second gear (23) is meshed with the first gear (22), and a first rotating power source (24) is further provided, the first rotating power source (24) a combination of a servo motor and a speed reduction mechanism, and the first rotary power source (24) is coupled to the center of the second gear (23);

a ring gear (3) is disposed in the pocket (11) of the machine (1), and the ring gear (3) is disposed outside the sun gear (2), and A fixing seat (31) is disposed under the ring gear (3), and the ring gear (3) is assembled with the upper end of the fixing seat (31), and a sleeve is arranged at a center of the lower end of the fixing seat (31). (32) the upper end phase is assembled, the lower end of the sleeve (32) is connected with a third gear (33), and a fourth gear (34) is disposed beside the third gear (33), and the The fourth gear (34) is meshed with the third gear (33), and the fourth gear (34) is coaxially coupled with a fifth gear (35), and the fourth gear (34) has a smaller diameter than the fifth gear. (35) further comprising a sixth gear (36) beside the fifth gear (35), and engaging the fifth gear (35) with the sixth gear (36), and providing a second rotating power Source (37), the second rotational power source (37) Servo motor assembly and the reduction mechanism, and the second source of rotary power (37) and the sixth gear (36) with the center contact group;

Lowering the grinding disc (4) such that the lower grinding disc (4) is located in the pocket (11) of the machine table (1), and the lower grinding disc (4) is disposed on the sun gear (2) and the ring Between the gears (3), a positioning seat (41) is disposed under the lower grinding disc (4), and the lower grinding disc (4) is assembled with the upper end of the positioning seat (41), and the positioning seat is (41) The center of the lower end is assembled with the upper end of a sleeve (42), and the sleeve (42) is sleeved on the ring gear (3). The sleeve (32) of the fixing seat (31) is formed in the center. In the cylinder hole (321), the sleeve (32) is provided with at least one bearing (322) between the cylinder hole (321) and the sleeve (42), and the solar gear (2) is assembled. The shaft tube (21) is sleeved in the sleeve hole (421) formed in the center of the sleeve (42), and the sleeve (42) has at least one sleeve (421) and the shaft tube (21) Bearing (422), and the lower end of the sleeve (42) and a seventh tooth (43) connected with the group, and the seventh gear (43) meshes with fifth gear (35) located at the side of which;

The number of planetary gear pieces (5), as shown in the fourth figure, is such that the number of planetary gear pieces (5) are placed on the lower grinding plate (4), and the number of planetary gear pieces (5) is located. Between the sun gear (2) and the ring gear (3), the planetary gear piece (5) is meshed with the sun gear (2) and the ring gear (3), and on the planetary gear piece (5) Forming at least one positioning portion (51) having a hollow hole shape;

A polishing assembly (6) is disposed on the sun gear (2), and the peripheral wall of the polishing assembly (6) is formed with a plurality of snap portions (61), and the grinding A central rod (62) is disposed under the assembly member (6), and the central rod (62) is disposed in the tube hole (211) of the shaft tube (21) of the sun gear (2), and The upper end of the center rod (62) passes through the through hole (25) provided in the center of the sun gear (2), and is assembled with the grinding set member (6), and the lower end of the center rod (62) and a first transmission The wheels (63) are assembled, and a second transmission wheel (64) is disposed opposite the first transmission wheel (63), and the first transmission wheel (63) and the second transmission wheel (64) are disposed between A transmission belt (65) is wound, the first transmission wheel (63) and the second transmission wheel (64) are sprocket wheels, and the transmission belt (65) is a chain, and a third rotary power source is provided (66). ), the third rotary power source (66) is a servo Combination of motor and reduction mechanism, and the third source of rotary power (66) center of the second transmission wheel (64) connected with the group;

a hydraulic cylinder (7) is arranged such that the hydraulic cylinder (7) is disposed below the machine (1), and the output shaft (71) of the hydraulic cylinder (7) and a support frame (72) The lower end phase is assembled (as shown in the fifth figure), and the upper end of the support frame (72) is assembled with the ring gear (3) at the lower end of the sleeve (32), and the hydraulic cylinder (7) is further Connected to a hydraulic pump (73) in a pipeline;

An upper grinding disc (8) is disposed above the lower grinding disc (4) and corresponding to the lower grinding disc (4), and the center of the upper grinding disc (8) A set of vertical holes (81) is provided to be assembled with the grinding set member (6), and a plurality of latching members (82) are disposed at an upper end of the upper grinding disc (8) at a side of the set of vertical holes (81). And respectively, the plurality of engaging portions (61) provided on the peripheral wall of the polishing set member (6) are clamped and fixed, and a lifting power source (83) is disposed adjacent to the upper grinding disc (8), and the lifting and lowering is performed. A power source (83) is coupled to the upper grinding disc (8).

Accordingly, when used, the ring gear (3) is lowered in advance to set the number of planetary gear pieces (5) on the lower grinding disc (4), and then the metal parts manufactured by casting, forging or cutting are manufactured. Positioned in the preset hollow positioning part (51) of each planetary gear piece (5), please refer to the fifth figure as shown in the figure below, and continue to drive the hydraulic cylinder (7) to make the hydraulic cylinder (7) The output shaft (71) drives the assembled support frame (72) to rise, and the raised support frame (72) drives the assembled sleeve (32) and drives the fixed seat (31) via the sleeve (32) The upper ring gear (3) is raised to a predetermined position to mesh the number of planetary gear pieces (5) with the sun gear (2) and the ring gear (3), and subsequently drive the lifting power coupled to the upper grinding plate (8) The source (83) drives the upper grinding disc (8) to descend, and the set up hole (81) of the upper grinding disc (8) is sleeved with the grinding group vertical member (6), and the upper grinding disc (8) is assembled with the hole ( 81) The card parts (82) provided on the side of the circumference are respectively Assembling abrasive member (6) of the peripheral wall portion of the clip (61) engaging a fixed, then release the lifting power source (83) connected to the grinding disc (8).

Activating the first rotational power source (24), the second rotational power source (37), and the third rotational power source (66), and causing the third rotational power source (66) relative to the first rotational power source (24) and The second rotating power source (37) is reversely actuated, and the first rotating power source (24) is driven to rotate the second gear (23) of the phase combination, and the second gear (23) is meshed with the first one. The gear (22) rotates, and the shaft gear (21) assembled by the first gear (22) is rotated to drive the sun gear (2) assembled with the shaft tube (21) to rotate, and the second The rotating power source (37) drives the sixth gear (36) of the phase combination to rotate, and rotates the sixth gear (35) that the sixth gear (36) meshes with, and is coaxial with the fifth gear (35). The set fourth gear (34) also rotates synchronously, and then the fourth gear (34) drives the meshed third gear (33) to rotate, and the third gear (33) drives the assembled sleeve (32) to rotate. And The cylinder (32) drives the connecting fixed seat (31) to rotate, so that the ring gear (3) combined with the fixed seat (31) rotates, and the sun gear (2) and the ring gear (3) Under the rotation, the planetary gear pieces (5) meshed with it can be driven to rotate and revolve.

Furthermore, when the second rotating power source (37) drives the fifth gear (35) to rotate via the sixth gear (36), the fifth gear (35) drives the seventh gear (43) that meshes with it to rotate. The seventh gear (43) continues to rotate the connected sleeve (42), and the sleeve (42) drives the positioning seat (41) connected thereto to rotate, and the positioning seat (41) is driven to rotate with the positioning seat (41). The grinding wheel (4) is rotated, and the third rotating power source (66) is driven to rotate the second transmission wheel (64), and then the first transmission wheel (63) is driven by the transmission belt (65). Rotating, the first transmission wheel (63) is rotated by the central rod (62) of the moving phase assembly, and the rotating rod assembly (6) is rotated by the central rod (62), and the rotating grinding assembly ( 6) Immediately driving the upper grinding disc (8) to actuate, wherein the counter-rotating upper grinding disc (8) and the lower grinding disc (4) are embedded on the planetary gear pieces (5) disposed therebetween On the metal parts The lower surface is subjected to grinding and polishing operations, and when grinding and polishing, the injected cutting fluid can flow into the tank (11) of the machine table (1), and then discharged from the discharge pipe (12) provided at the bottom of the tank (11). After the collection.

After finishing the polishing and polishing of the metal parts, the clamping member (82) provided on the upper grinding disc (8) is released from the locking portion (61) of the peripheral wall of the grinding assembly (6), and the upper grinding disc is repositioned. ) is coupled to the lifting power source (83) to drive the lifting power source (83) to drive the upper grinding disc (8) to rise and reset, and to continue driving the hydraulic cylinder (7) to actuate the hydraulic cylinder (7) output shaft (71) The support frame (72) that drives the assembly is lowered, and the descending support frame (72) is a sleeve (32) that is connected to the movable phase, and the fixed seat (31) and the upper ring thereof which are assembled by the interlocking sleeve (32) The gear (3) is lowered by a predetermined stroke, thereby releasing the ring gear (3) to engage and stop the planetary gear piece (5), and the operator can insert the planetary gear piece (5) and the metal part thereon After the descending ring gear (3) is pulled out, and the next set of metal parts to be polished is replaced and assembled on the planetary gear piece (5), the hydraulic cylinder (7) is driven to drive the ring gear (3) to rise and reset. Next grinding and polishing . Here, the creation of the ring gear (3) lifting design by the hydraulic cylinder (7) can shorten the lifting time of the ring gear (3), thereby improving the efficiency of the grinding and polishing operation, and also because of the hydraulic cylinder (7) The actuating load and the like are absorbed by the hydraulic oil buffer, and the hydraulic components are mostly immersed in the hydraulic oil, and have good rust resistance and wear resistance, so that the hydraulic components are less likely to be damaged during use, and can be avoided. The cost loss caused by frequent maintenance and the delay of operation, the hydraulic cylinder (7) operates smoothly, the vibration is small, and vibration and noise are not generated, and the stability is further increased.

The foregoing embodiments or drawings are not intended to limit the implementation of the present invention. Any changes or modifications made by those skilled in the art should be considered as not departing from the scope of the invention.

According to the above structure and implementation, the author has the following advantages:

1. The planetary grinding machine of the present invention uses the hydraulic cylinder to drive the ring gear to move up and down, and utilizes the quick action characteristic of the hydraulic cylinder to shorten the waiting time of the waiting ring gear to improve the efficiency of grinding and polishing.

2. The planetary grinding machine of the present invention adopts a hydraulic cylinder to drive the gear to move up and down. Since the hydraulic cylinder can be absorbed by the hydraulic oil buffer, and the hydraulic oil has anti-rust and wear resistance, it can effectively reduce the oil pressure. The component uses the damage rate, so that you can avoid costly damage and job delays caused by frequent maintenance.

3. The planetary grinding machine of the present invention uses a hydraulic cylinder to drive the ring gear to lift and lower. Since the hydraulic cylinder operates smoothly and has small vibration, no vibration or noise is generated, and accordingly, the operation is improved. Stability.

In summary, the embodiment of the present creation can achieve the expected effect, and the specific structure disclosed therein has not been seen in the same kind of products, nor has it been disclosed before the application, and has fully complied with the provisions of the Patent Law. It is required that if an application for a new type of patent is filed in accordance with the law, and the application for a patent is granted, the patent will be granted.

(1)‧‧‧ Machines

(11) ‧‧‧ 容容

(12) ‧ ‧ discharge pipe

(2) ‧‧‧Sun gear

(21)‧‧‧ shaft tube

(211)‧‧‧ hole

(22)‧‧‧First gear

(23) ‧‧‧second gear

(24) ‧‧‧First rotating power source

(25)‧‧‧through holes

(3) ‧‧‧ring gears

(31)‧‧‧ Fixed seat

(32)‧‧‧Sleeve

(321)‧‧‧Cylinder hole

(322)‧‧‧ Bearings

(33)‧‧‧ Third gear

(34) ‧‧‧fourth gear

(35) ‧ ‧ fifth gear

(36)‧‧‧ sixth gear

(37) ‧‧‧Second rotary power source

(4) ‧‧‧ lower grinding disc

(41)‧‧‧ Positioning Block

(42)‧‧‧ bushings

(421)‧‧‧ Set of holes

(422)‧‧‧ Bearings

(43) ‧‧‧ seventh gear

(5) ‧‧‧ Planetary gears

(51)‧‧‧ Positioning Department

(6) ‧‧‧ grinding group

(61) ‧‧‧Cartridge

(62) ‧‧‧ center pole

(63)‧‧‧First transmission wheel

(64)‧‧‧Second drive wheel

(65)‧‧‧ Drive belt

(66) ‧‧‧ Third rotating power source

(7)‧‧‧Hydraulic cylinder

(71)‧‧‧Output shaft

(72)‧‧‧Support frame

(73)‧‧‧Hydraulic pump

(8)‧‧‧Upper grinding disc

(81) ‧ ‧ set up holes

(82) ‧‧‧ Cards

(83) ‧‧‧ Lifting power source

The first picture: the overall perspective of the creation

Figure 2: Stereoscopic view of the creation

The third picture: a cross-sectional view of the creation

Figure 4: Top view of the creation

The fifth picture: the use state diagram of this creation

(1)‧‧‧ Machines

(11) ‧‧‧ 容容

(2) ‧‧‧Sun gear

(24) ‧‧‧First rotating power source

(3) ‧‧‧ring gears

(31)‧‧‧ Fixed seat

(33)‧‧‧ Third gear

(34) ‧‧‧fourth gear

(35) ‧ ‧ fifth gear

(36)‧‧‧ sixth gear

(37) ‧‧‧Second rotary power source

(4) ‧‧‧ lower grinding disc

(41)‧‧‧ Positioning Block

(6) ‧‧‧ grinding group

(63)‧‧‧First transmission wheel

(64)‧‧‧Second drive wheel

(65)‧‧‧ Drive belt

(66) ‧‧‧ Third rotating power source

(7)‧‧‧Hydraulic cylinder

(73)‧‧‧Hydraulic pump

(8)‧‧‧Upper grinding disc

(81) ‧ ‧ set up holes

(82) ‧‧‧ Cards

(83) ‧‧‧ Lifting power source

Claims (10)

A planetary grinding machine is provided with a machine table, and a sun gear is arranged at the center of the machine table, and a ring gear disposed on the outer side of the sun gear is arranged on the machine table, and the machine is located in the sun. A grinding disc is disposed between the gear and the ring gear, and a plurality of planetary gear pieces are disposed on the lower grinding disc, and the planetary gear piece is meshed with the sun gear and the ring gear, and at least one of the planetary gear pieces is disposed on the planetary gear piece The positioning portion is provided with a hydraulic cylinder below the machine, and the output shaft of the hydraulic cylinder is coupled to the ring gear. The planetary grinding machine according to claim 1, wherein the sun gear is further provided with a shaft tube, and the upper end of the shaft tube is assembled with the sun gear, and the lower end of the shaft tube is coupled with a first a gear phase is assembled, a second gear is disposed beside the first gear, and the second gear is meshed with the first gear, and a first rotating power source is further provided, and the first rotating power is The source is coupled to the center of the second gear. The planetary grinding machine according to claim 2, wherein the ring gear is further provided with a fixing base, and the ring gear is assembled with the upper end of the fixing seat, and the center of the lower end of the fixing seat is An upper end of the sleeve is assembled, a third gear is coupled to the lower end of the sleeve, and a fourth gear is disposed on the side of the third gear, and the fourth gear is meshed with the third gear. The fourth gear is coaxially coupled with a fifth gear, and a sixth gear is disposed beside the fifth gear, and the fifth gear is meshed with the sixth gear, and a second rotary power source is further disposed, and The second rotary power source is coupled to the sixth gear center. The planetary grinder of claim 3, wherein the fourth gear diameter is smaller than the fifth gear. The planetary grinding machine according to claim 3, wherein the lower grinding disc is further provided with a positioning seat, and the lower grinding disc is assembled with the upper end of the positioning seat, and the lower end of the positioning seat is further disposed. a sleeve is assembled with the upper end of the sleeve, and a sleeve is formed in the sleeve of the ring gear and the sleeve is sleeved, so that the sleeve is sleeved in the sleeve hole of the sleeve, and the positioning seat is assembled The sleeve is formed with a set of holes, and the shaft tube of the sun gear set is sleeved in the sleeve hole of the sleeve, and the lower end of the sleeve is assembled with a seventh gear, and the seventh gear is assembled Engaging the fifth gear located on its side. The planetary grinding machine according to claim 5, wherein the sleeve further has at least one bearing formed between the cylindrical hole and the sleeve, and further the sleeve is further arranged between the sleeve hole and the shaft tube. The assembly is connected to at least one bearing. The planetary grinding machine according to claim 2, wherein the planetary grinding machine further comprises a grinding assembly, wherein the grinding assembly is located above the sun gear, and a grinding member is disposed below the grinding assembly. a central rod, and a shaft hole is formed in the shaft tube of the sun gear assembly, and the central rod is inserted into the tube hole of the shaft tube of the sun gear, and a through hole is arranged in the center of the sun gear, and the hole is The upper end of the center rod passes through the central through hole of the sun gear, and is assembled with the grinding group vertical member, and the lower end of the center rod is combined with a first transmission wheel, and a first portion is opposite to the first transmission wheel. a second transmission wheel, and the first transmission wheel and the second transmission wheel are connected by a transmission belt, and a third rotary power source is further provided, and the third rotary power source and the second transmission wheel are centered. Pick up. The planetary grinder of claim 7, wherein the planetary grinder further comprises an upper grinding disc, wherein the upper grinding disc is located above the lower grinding disc and corresponds to the lower grinding disc And a plurality of vertical holes are arranged in the center of the upper grinding disc to be assembled with the grinding assembly, and the peripheral wall of the grinding assembly is formed with a plurality of engaging portions, and the upper end of the upper grinding disc is located at the circumference of the vertical hole of the group A plurality of card members are arranged in the group to be respectively fixed to the plurality of card joint portions of the peripheral wall of the polishing group. The planetary grinder of claim 8, wherein the planetary grinder further comprises a lifting power source adjacent to the upper grinding disc, and connecting the lifting power source to the upper grinding disc . The planetary grinding machine according to claim 1, wherein the hydraulic cylinder and the ring gear are further provided with a fixing seat, a sleeve and a supporting frame, so that the upper end of the fixing seat and the ring gear The assembly is assembled, and the center of the lower end of the fixing seat is assembled with the upper end of the sleeve, and the lower end of the sleeve is assembled with the upper end of the support frame, and the lower end of the support frame and the output of the hydraulic cylinder are The shaft phase is assembled.