CN213197061U - Grinding head structure with good grinding effect - Google Patents

Abstract

A grinding head structure with good grinding effect comprises at least one group of grinding head groups, a grinding head transmission mechanism and a male rotation body wrapping the grinding head transmission mechanism; the grinding head transmission mechanism is provided with a driving gear, a grinding head motor for driving the driving gear to rotate and gear transmission groups for correspondingly driving each group of grinding head groups to operate; the gear transmission group is provided with a first transition gear, a first transition gear shaft, a second transition gear shaft, a forward rotation gear shaft, a reverse rotation gear and a reverse rotation gear shaft; the driving gear is meshed with a first transition gear, the first transition gear is meshed with a second transition gear and a forward rotation gear, and the second transition gear is meshed with a reverse rotation gear; the grinding head group is provided with a forward rotation grinding head and a reverse rotation grinding head; the revolution body is provided with an inner gear ring concentric with the driving gear, and the inner gear ring selects a forward gear or a reverse gear to be meshed; the utility model discloses a bistrique has rotation and revolution structure direction of polishing concurrently more changeable, and the scope of polishing is wider, polishes evenly effectual and polish efficiently.

Description

Grinding head structure with good grinding effect

Technical Field

The utility model relates to a stone material burnishing and polishing processing machinery field especially indicates an effectual bistrique structure of polishing.

Background

The stone is a building decoration material and is widely applied, the surface of the stone is rough before use, and the effect of shining can be achieved after grinding and polishing; moreover, with the widespread use of building materials, machines for processing building materials are also widely used, such as grinding tools for grinding stone slabs; the existing grinding tool has various grinding head structures such as a single grinding head, a double grinding head and a multi-grinding head, wherein the grinding tool with the multi-grinding head has higher working efficiency and is mostly applied to grinding and polishing large stones; however, the existing grinding tool with multiple grinding heads rotates towards one direction for grinding, stone can incline under the action of the single-direction rotation of the grinding heads for a long time, the surface of the stone is not smooth, and the grinding effect is poor; moreover, the unidirectional polishing structure of the multiple polishing heads has a narrow polishing range and simple change of polishing motion tracks, so that the polishing is not uniform and the polishing effect is not good enough.

In view of this, the present inventors have made extensive conceptions for various defects and inconveniences caused by the imperfect structural design of the grinding head, and have developed and designed the present disclosure by actively researching, improving and trying on the defects and inconveniences.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effectual bistrique structure of polishing, the bistrique has rotation and revolution structure concurrently and polishes the direction more changeable, and the scope of polishing is wider, polishes evenly effectual and polish efficiently.

In order to achieve the above purpose, the solution of the present invention is:

a grinding head structure with good grinding effect comprises at least one group of grinding head groups, a grinding head transmission mechanism and a male rotation body wrapping the grinding head transmission mechanism; the grinding head transmission mechanism is provided with a driving gear, a grinding head motor for driving the driving gear to rotate and a gear transmission group for correspondingly driving each group of grinding head groups to operate, and the driving gear is provided with a power main shaft connected with the grinding head motor; the gear transmission group is provided with a first transition gear, a first transition gear shaft, a second transition gear shaft, a forward rotation gear shaft, a reverse rotation gear and a reverse rotation gear shaft; the driving gear is meshed with a first transition gear, the first transition gear is meshed with a second transition gear and a forward rotation gear, and the second transition gear is meshed with a reverse rotation gear; the grinding head group is provided with a forward rotation grinding head arranged at the lower end of the forward rotation gear shaft and a reverse rotation grinding head arranged at the lower end of the reverse rotation gear shaft; the revolution body is provided with an inner gear ring concentric with the driving gear, and the inner gear ring selects a forward rotation gear or a reverse rotation gear to be meshed.

The revolution body wraps the driving gear, the first transition gear, the second transition gear, the forward rotation gear and the reverse rotation gear, and two ends of the power main shaft, the first transition gear shaft, the second transition gear shaft, the forward rotation gear shaft and the reverse rotation gear shaft are pivoted with the revolution body through bearings.

The male swivel body is divided into an upper cover, a middle ring and a base, and the upper cover and the base cover the upper end face and the lower end face of the middle ring respectively; the inner gear ring is arranged on the inner ring of the middle ring.

The forward rotation gear shaft and the reverse rotation gear shaft are respectively provided with a first through hole; an assembly shaft is sleeved in the first through hole, the upper end of the assembly shaft protrudes out of the upper cover, a ring platform which extends out of the first through hole and is used for assembling the grinding head is arranged at the lower end of the assembly shaft, and the ring platform is located below the base.

The upper end of the assembly shaft is provided with a locking seat, and the locking seat is provided with a ring seat sleeved on the outer ring at the upper end of the assembly shaft and a spring plate inserted in the first through hole.

The grinding head structure is provided with three groups of grinding head groups and three groups of gear transmission groups which correspondingly drive the grinding head groups to operate, six grinding heads which are uniformly distributed on the circumference are arranged, and the forward rotation grinding head and the reverse rotation grinding head are arranged at intervals.

The first transition gear is arranged on the first transition gear shaft, the second transition gear is arranged on the second transition gear shaft, the forward rotation gear is arranged on the forward rotation gear shaft, and the reverse rotation gear is arranged on the reverse rotation gear shaft.

The revolution body is internally provided with positioning seats sleeved on the upper end and the lower end of the driving gear, the first transition gear, the second transition gear, the forward rotation gear and the reverse rotation gear, and the positioning seats are provided with positioning blocks abutted against the upper end or the lower end of each gear, connecting blocks connecting the positioning blocks together and holes arranged on the positioning blocks and allowing the power main shaft, the first transition gear shaft, the second transition gear shaft, the forward rotation gear shaft and the reverse rotation gear shaft to penetrate through.

After the structure is adopted, the utility model discloses the theory of operation of effectual bistrique structure of polishing: the grinding head motor transmits power to the power main shaft, and the power main shaft drives the driving gear to rotate; the driving gear is meshed with the first transition gear to rotate, the first transition gear is meshed with the forward rotation gear and the second transition gear to rotate, the second transition gear is meshed with the reverse rotation gear to rotate, the forward rotation grinding head can be driven to rotate by taking the forward rotation gear shaft as an axis, the reverse rotation grinding head can rotate by taking the reverse rotation gear shaft as an axis, and the forward rotation gear or the reverse rotation gear is rotationally meshed with the inner gear ring to drive the whole grinding head to revolve by taking the power main shaft as an axis; in corotation bistrique and reversal bistrique rotation polishing process promptly, corotation bistrique and reversal bistrique use power main shaft to grind the stone material as the axle revolution simultaneously, and the bistrique has rotation and revolution structure direction of polishing concurrently more changeable, and the scope of polishing is wider, and it is even effectual and efficient to polish.

Drawings

Fig. 1 is a schematic structural view of the structure of the grinding head of the present invention;

fig. 2 is an exploded schematic view of the structure of the grinding head of the present invention;

fig. 3 is a schematic longitudinal sectional view of the structure of the grinding head of the present invention;

fig. 4 is a schematic cross-sectional view of the structure of the grinding head of the present invention;

fig. 5 is a schematic view of the combination state of the water supply mechanism of the grinding head structure of the present invention;

fig. 6 is a schematic view of an exploded state of the water supply mechanism of the grinding head structure of the present invention;

fig. 7 is a schematic sectional view of the water supply mechanism of the grinding head structure according to the present invention in a combined state;

fig. 8 is a schematic exploded sectional view of the water supply mechanism of the grinding head structure of the present invention;

fig. 9 is a schematic structural view of the bottom of the drain pan of the water supply mechanism of the grinding head structure of the present invention;

fig. 10 is a schematic structural view of the top part of the drain pan of the water supply mechanism of the grinding head structure of the present invention hidden;

fig. 11 is a schematic structural view of the water distribution disk of the water supply mechanism of the grinding head structure according to the present invention, which is partially hidden at the top.

Description of the symbols

Driving gear 11 power spindle 111

First transition gear 13 first transition gear shaft 131

Second transition gear 14 second transition gear shaft 141

Forward rotation gear 15 forward rotation gear shaft 151

Counter gear 16 counter gear shaft 161

Upper cover 32 of male rotator 3

Middle ring 33 base 34

Inner gear ring 331

Positioning seat 39 positioning block 391

Connecting block 392 hole 393

First through hole 51 of water supply mechanism 4

The water diversion disc 42 of the water drainage disc 41

Water inlet 412 of water-bearing chamber 411

Lower water convex ring 413 lower water through hole 414

Water diversion chamber 422 of water guide ring 421

Water diversion holes 424 of water diversion blade 423

Chamber 4221 conduit 425

Second through hole 521 of assembling shaft 52

Ring table 522 locking seat 53

Ring base 531 shrapnel 532

Sealing member 54 water receiving pipe 4121

The guide vanes 4111 sleeve seat 112.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

Referring to fig. 1 to 4, the present invention discloses a grinding head structure with good grinding effect, which comprises at least one grinding head set, a grinding head transmission mechanism and a revolution body 3 wrapping the grinding head transmission mechanism; the grinding head transmission mechanism is provided with a driving gear 11, a grinding head motor 12 for driving the driving gear 11 to rotate and gear transmission groups for correspondingly driving each group of grinding head groups to operate, and the driving gear 11 is provided with a power main shaft 111 connected with the grinding head motor 12; the gear transmission group is provided with a first transition gear 13, a first transition gear shaft 131, a second transition gear 14, a second transition gear shaft 141, a forward rotation gear 15, a forward rotation gear shaft 151, a reverse rotation gear 16 and a reverse rotation gear shaft 161; the first transition gear 13 is disposed on the first transition gear shaft 131, the second transition gear 14 is disposed on the second transition gear shaft 141, the forward rotation gear 15 is disposed on the forward rotation gear shaft 151, and the reverse rotation gear 16 is disposed on the reverse rotation gear shaft 161; the driving gear 11 is meshed with a first transition gear 13, the first transition gear 13 is meshed with a second transition gear 14 and a forward rotation gear 15, and the second transition gear 14 is meshed with a reverse rotation gear 16; the grinding head group is provided with a forward rotation grinding head arranged at the lower end of the forward rotation gear shaft 151 and a reverse rotation grinding head arranged at the lower end of the reverse rotation gear shaft 161; the male rotor 3 is provided with an inner gear ring 331 concentric with the driving gear 11, and the inner gear ring 331 selects the forward rotation gear 15 or the reverse rotation gear 16 to be meshed.

The utility model discloses the theory of operation of effectual bistrique structure of polishing: the grinding head motor 11 transmits power to the power spindle 111, and the power spindle 111 drives the driving gear 11 to rotate; the driving gear 11 is meshed with the first transition gear 13 to rotate, the first transition gear 13 is meshed with the forward rotation gear 15 and the second transition gear 14 to rotate, the second transition gear 14 is meshed with the reverse rotation gear 16 to rotate, so that the forward rotation grinding heads can be driven to rotate by taking the forward rotation gear shaft 151 as an axis and the reverse rotation grinding heads can be driven to rotate by taking the reverse rotation gear shaft 161 as an axis, and the forward rotation gear 15 or the reverse rotation gear 16 is meshed with the inner gear ring 331 in a rotating mode to drive the forward rotation grinding heads and the reverse rotation grinding heads to revolve by; in the autorotation grinding process of the corotation grinding head and the reversal grinding head, the corotation grinding head and the reversal grinding head simultaneously revolve around the power main shaft 111 as an axis to grind stone, the grinding head has autorotation and revolution structure, the grinding direction is more variable, the grinding range is wider, the grinding uniformity is good, and the grinding efficiency is high; moreover, the forward rotation grinding heads and the reverse rotation grinding heads are controlled to rotate in opposite directions through the first transition gear 13 and the second transition gear 14; when the grinding disc grinds the stone, the two grinding heads rotating in opposite directions can offset the interaction force in the working process, so that the balance of the grinding heads is improved, and the stone grinding and polishing effect is good.

The utility model discloses a public turning body 3 divide into upper cover 32, middle ring 33 and base 34, upper cover 32, base 34 cover the upper and lower terminal surface of middle ring 33 respectively; the ring gear 331 is arranged on the inner ring of the middle ring 33; when the forward rotation gear 15 or the reverse rotation gear 16 is meshed with the inner gear ring 331 to rotate, the whole grinding head can be driven to rotate by taking the power main shaft 111 as a shaft; in corotation bistrique and reversal bistrique rotation polishing process promptly, corotation bistrique and reversal 22 heads use power spindle 111 to revolve as the axle simultaneously and polish the stone material, and the bistrique has rotation and revolution structure direction of polishing concurrently more changeable, and the scope of polishing is wider, and it is even effectual and efficient to polish.

The utility model discloses a corotation gear shaft 151, reversal gear shaft 161 are provided with first through-hole 51 respectively; an assembly shaft 52 is sleeved in the first through hole 51, the upper end of the assembly shaft 52 protrudes out of the upper cover 32, a ring table 522 which extends out of the first through hole 52 and is used for assembling a grinding head is arranged at the lower end of the assembly shaft 52, and the ring table 522 is positioned below the base 34; the forward rotation gear 15 or the reverse rotation gear 16 is arranged on the forward rotation gear shaft 151 or the reverse rotation gear shaft 161, and the grinding head is arranged on the assembling shaft 52, so that the assembling is simpler and firmer and the maintenance and the repair are convenient due to the separated arrangement.

The upper end of the assembly shaft 52 of the utility model is provided with a locking seat 53, the locking seat 53 is provided with a ring seat 531 which is sleeved on the outer ring of the upper end of the assembly shaft 52 and an elastic sheet 532 which is inserted in the first through hole 51; the locking seat 53 can firmly assemble the assembly shaft 52 into the first through hole 51.

The utility model discloses a driving gear 11, first transition gear 13, second transition gear 14, corotation gear 15 and reversal gear 16 are wrapped up in the revolution body 3, the power main shaft 111, first transition gear axle 131, second transition gear axle 141, corotation gear axle 151, reversal gear axle 161 both ends are pin-jointed with the revolution body 3 through bearing 31; the public rotation body 3 can wrap the driving gear 11, the first transition gear 13, the second transition gear 14, the positive rotation gear 15 and the reverse rotation gear 16, so that a dustproof effect is effectively achieved, dust is prevented from covering the gears when stones are polished to influence normal rotation of the gears, and polishing work of the grinding head is smoother.

The grinding head structure of the utility model is provided with three groups of grinding head groups and three groups of gear transmission groups which correspondingly drive the grinding head groups to operate, and the grinding head structure is provided with six grinding heads which are uniformly distributed on the circumference, and the positive rotation grinding head and the negative rotation grinding head are arranged at intervals; set up six bistriques, the efficiency of polishing of bistrique is higher.

The utility model discloses a be provided with in the public turning body 3 and set up in driving gear 11, first transition gear 13, second transition gear 14, corotation gear 15 and the positioning seat 39 of reversal gear 16 upper and lower extreme, positioning seat 39 is provided with and leans on in each gear upper end or the locating piece 391 of lower extreme, the connecting block 392 that links together each locating piece 391 and set up on locating piece 391 and supply power main shaft 111, first transition gear axle 131, second transition gear axle 141, corotation gear axle 151 and the hole 393 that reversal gear axle 161 wore through; the positioning seat 39 can limit the positions of the gears on the shafts, so as to ensure that the meshing positions of the gears are accurate and fixed, and the transmission relationship is more accurate, firm and smooth.

Please refer to fig. 5 and 11, the grinding head structure with good grinding effect of the present invention further includes a water supply mechanism 4 for respectively supplying water to the positive rotation grinding head and the negative rotation grinding head, the water supply mechanism 4 has a lower water tray 41 and a water distribution tray 42 rotating with the grinding heads, the lower water tray 41 is provided with an annular water receiving chamber 411, a water inlet 412 communicating with the water receiving chamber 411, a lower water convex ring 413 extending downwards from the bottom wall of the water receiving chamber 411, and a plurality of lower water through holes 414 uniformly distributed on the lower water convex ring 413 and communicating with the water receiving chamber 411; the water diversion disc 42 is provided with a water guide ring 421, a water diversion chamber 422, a plurality of water diversion blades 423 and a plurality of water diversion holes 424; the lower water convex ring 413 is sleeved in the water guide ring 421, and the lower end of the water guide ring 421 is communicated with the water diversion chamber 422; the plurality of water distribution vanes 423 are disposed on the bottom wall of the water distribution chamber 422 and divide the water distribution chamber 422 into a plurality of partial chambers 4221; the water distribution holes 424 are uniformly arranged on the bottom wall of the water distribution chamber 422 along the circumference, one water distribution hole 424 is correspondingly arranged in each sub-chamber 4221, and the upper end of the first through hole 51 is communicated with the water distribution holes 424; in the rotation process of the grinding head, the water supply mechanism 4 keeps the water discharge disc 41 in an immobile state, external water enters the water bearing chamber 411 from the water inlet 412, and the water is guided to the water diversion chamber 422 through the water discharge hole 414 and the water guide ring 421; the water distribution disc 42 rotates at a high speed along with the grinding head, water flows into the water distribution chamber 422 and rotates at a high speed along with the water distribution disc 42, the water flow in each sub-chamber 4221 cannot rotate at a high speed circumferentially due to the blockage of water distribution blades in the high-speed rotation process, and the water flow can flow downwards from the water distribution hole 424 into the first through hole 51 and flow downwards onto the grinding head, so that the aim of supplying water to the grinding heads circumferentially distributed in the high-speed rotation process is fulfilled; rivers provide the cooling water for each bistrique process of polishing to each bistrique department, and the cooling effect is strong and the water supply volume is less, avoids watering on a large scale to cause the waste and avoids more water can permeate inside the ceramic tile and increased the degree of difficulty of follow-up dehydration process.

The water diversion hole 424 of the utility model is inserted with a water guide pipe 425 extending into the first through hole 51; the water guide pipe 425 can accurately guide the water in the water distribution disc 42 to the first through hole 51 and further flow to the grinding head; the water flow can be prevented from permeating into the gear transmission set to influence the normal transmission structure of each gear, and the water resource can be prevented from being wasted.

The center of the assembly shaft 52 of the utility model is provided with a second through hole 521 which is through up and down, and the aqueduct 425 is sleeved in the second through hole 521; the assembly shaft 52 separates the forward rotation gear shaft 151 or the reverse rotation gear shaft 161 from the water conduit 425, so as to prevent water from penetrating into the gear transmission set to affect normal transmission of the gears.

A sealing member 54 is provided in a gap between the water guide pipe 425 and the second through hole 521; the seal 54 further prevents water from penetrating the gear train and affecting the normal drive configuration of the gears.

The water diversion chamber 422 of the utility model is an annular chamber, and the water diversion blades 423 extend from the inner ring of the water diversion chamber 422 to the outer ring of the outer ring in a spiral outward expansion way; the water diversion chamber 422 is divided into arc-shaped sub-chambers 4221 which gradually expand outwards by the water diversion blades 423, when the water diversion disc 42 rotates at a high speed, water flows from the inner ring of the water diversion chamber 422 to the outer ring of the water diversion chamber 422 in a swinging mode, the water flows along the arc-shaped sub-chambers 4221 which gradually expand outwards and collides with the water diversion blades 423, the water flows are blocked by the water diversion blades 423 to flow towards the inner ring of the water diversion chamber 422, the water flows are prevented from rotating at a high speed and rotating circumferentially by the water diversion disc 42, the water flows can be guaranteed to flow downwards to provide cooling water for the grinding head, and the water supply effect is better.

The utility model discloses an internal diameter that water guide ring 421 is the same with the internal diameter that divides water cavity 422, the external diameter that water guide ring 421 is less than the external diameter that divides water cavity 422, rivers from water guide ring 421 to dividing when water cavity 422 flows, rivers are near dividing water cavity 422's inner ring, when dividing water disk 42 along with the high-speed rotation of bistrique, be in dividing water cavity 422 inner ring rivers and can get rid of to dividing water cavity 422 outer loop and striking on dividing water blade 423, rivers receive to divide water blade 423 to block and divide water cavity 422 inner ring to flow for rivers do not receive dividing water disk high-speed rotation and circumferential rotation, guarantee that rivers can flow downwards and provide the cooling water for the bistrique, the water supply effect is better.

The water discharging disc 41 and the water distributing disc 42 of the utility model are sleeved on the power main shaft 111; the position of water dish 41 and water diversion disc 42 under can restricting makes water dish 41, water diversion disc 42 and power main shaft 111 be concentric setting down, just it is accurate that lower water bulge loop 413 and water guide ring 421 cooperate, drives water guide ring 421 and rotates the cover and locate on lower water bulge loop 413 at water diversion disc 42 rotation in-process, not only does not influence lower water bulge loop 413 drainage structure, does not influence water diversion disc 42 yet and rotates the branch water.

The utility model discloses a divide water hole 424 to set up in the diapire that divides water cavity 422 to lean on one side outside, rivers from inside to outside whipping and striking divide water cavity 422 outer loop lateral wall on, consequently rivers are being close to and divide water cavity 422 outer loop lateral wall one side change rivers direction, and divide water hole 424 to be close to rivers direction of change and make things convenient for rivers to flow downwards through dividing water hole 424, divide water more smoothly.

In the present invention, a space is provided between the bottom end of the lower water convex ring 413 and the lower end of the water guide ring 421, and a space is provided between the upper end of the water guide ring 421 and the bottom wall of the water receiving chamber 411; the lower water convex ring 413 is suspended and inverted in the water guide ring 421, the water guide ring 421 has no contact point with the lower water convex ring 413 and the water bearing cavity 411, the water guide ring 421 rotates and cannot touch the lower water convex ring 413 and the water bearing cavity 411 in the rotation process of the water distribution disc 42, the lower water disc 41 is always in an immobile state, a pipeline connected with external water cannot rotate into a twist, and the supply of the external water cannot be influenced; and the water distribution disc 42 can smoothly collect water and distribute the water to the grinding heads in the high-speed rotation process.

The outer ring diameter of the lower water convex ring 413 is the same as the outer ring diameter of the water bearing cavity 411, and the inner ring diameter of the lower water convex ring 413 is larger than the inner ring diameter of the water bearing cavity 411.

The water inlet 412 of the present invention is disposed on the top wall of the water-bearing chamber 411, and the water inlet 412 is provided with a water receiving pipe 4121 communicated with the water-bearing chamber 411; and the distance from the water inlet 412 to the outer side wall of the water bearing chamber 411 is greater than the distance from the water outlet 414 to the outer side wall of the water bearing chamber 411; the water receiving pipe 4121 facilitates the water to be injected into the water receiving chamber 411 and to be distributed into the water distributing chamber 422 through the lower water through hole 414.

The bottom wall of the water receiving cavity 411 of the present invention is provided with a plurality of guide vanes 4111 which are distributed on the same ring and are arc-shaped, wherein the guide vanes 4111 are concentric with the water receiving cavity 411; and the distance from the lower water through hole 414 to the outer side wall of the water receiving chamber 411 is smaller than the distance from the guide tab 4111 to the outer side wall of the water receiving chamber 411; when water goes down from the water inlet 412, the guide 4111 disperses the water flow, and each of the drainage holes 414 uniformly drains water.

The upper end of the power main shaft 111 of the utility model is sleeved with a sleeve seat 112, and the upper end and the lower end of the sleeve seat 112 are respectively connected with the power main shaft 111 through bearings; the lower water tray 41 and the water distribution tray 42 are respectively sleeved on the sleeve seats 112, the sleeve seats 112 are respectively arranged between the lower water tray 41 and the water distribution tray 42 and the power spindle 111 at intervals, and the problem that the lower water tray 41 and the water distribution tray 42 rotate under the influence of the power spindle 111 to influence the water supply effect of the water supply mechanism 4 can be avoided.

The above embodiments and drawings do not limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be considered as departing from the scope of the present invention.

Claims (8)

1. The utility model provides an effectual bistrique structure polishes which characterized in that: comprises at least one group of grinding head groups, a grinding head transmission mechanism and a common rotating body wrapping the grinding head transmission mechanism; the grinding head transmission mechanism is provided with a driving gear, a grinding head motor for driving the driving gear to rotate and a gear transmission group for correspondingly driving each group of grinding head groups to operate, and the driving gear is provided with a power main shaft connected with the grinding head motor; the gear transmission group is provided with a first transition gear, a first transition gear shaft, a second transition gear shaft, a forward rotation gear shaft, a reverse rotation gear and a reverse rotation gear shaft; the driving gear is meshed with a first transition gear, the first transition gear is meshed with a second transition gear and a forward rotation gear, and the second transition gear is meshed with a reverse rotation gear; the grinding head group is provided with a forward rotation grinding head arranged at the lower end of the forward rotation gear shaft and a reverse rotation grinding head arranged at the lower end of the reverse rotation gear shaft; the revolution body is provided with an inner gear ring concentric with the driving gear, and the inner gear ring selects a forward rotation gear or a reverse rotation gear to be meshed.

2. The grinding head structure with good grinding effect as claimed in claim 1, wherein: the revolution body wraps the driving gear, the first transition gear, the second transition gear, the forward rotation gear and the reverse rotation gear, and two ends of the power main shaft, the first transition gear shaft, the second transition gear shaft, the forward rotation gear shaft and the reverse rotation gear shaft are pivoted with the revolution body through bearings.

3. The grinding head structure with good grinding effect as claimed in claim 1, wherein: the male swivel body is divided into an upper cover, a middle ring and a base, and the upper cover and the base cover the upper end face and the lower end face of the middle ring respectively; the inner gear ring is arranged on the inner ring of the middle ring.

4. A grinding head structure with good grinding effect as claimed in claim 3, wherein: the forward rotation gear shaft and the reverse rotation gear shaft are respectively provided with a first through hole; an assembly shaft is sleeved in the first through hole, the upper end of the assembly shaft protrudes out of the upper cover, a ring platform which extends out of the first through hole and is used for assembling the grinding head is arranged at the lower end of the assembly shaft, and the ring platform is located below the base.

5. The grinding head structure with good grinding effect as claimed in claim 4, wherein: the upper end of the assembly shaft is provided with a locking seat, and the locking seat is provided with a ring seat sleeved on the outer ring at the upper end of the assembly shaft and a spring plate inserted in the first through hole.

6. The grinding head structure with good grinding effect as claimed in claim 1, wherein: the grinding head structure is provided with three groups of grinding head groups and three groups of gear transmission groups which correspondingly drive the grinding head groups to operate, six grinding heads which are uniformly distributed on the circumference are arranged, and the forward rotation grinding head and the reverse rotation grinding head are arranged at intervals.

7. The grinding head structure with good grinding effect as claimed in claim 1, wherein: the first transition gear is arranged on the first transition gear shaft, the second transition gear is arranged on the second transition gear shaft, the forward rotation gear is arranged on the forward rotation gear shaft, and the reverse rotation gear is arranged on the reverse rotation gear shaft.

8. The grinding head structure with good grinding effect as claimed in claim 1, wherein: the revolution body is internally provided with positioning seats sleeved on the upper end and the lower end of the driving gear, the first transition gear, the second transition gear, the forward rotation gear and the reverse rotation gear, and the positioning seats are provided with positioning blocks abutted against the upper end or the lower end of each gear, connecting blocks connecting the positioning blocks together and holes arranged on the positioning blocks and allowing the power main shaft, the first transition gear shaft, the second transition gear shaft, the forward rotation gear shaft and the reverse rotation gear shaft to penetrate through.

Images