CN111774951B

CN111774951B - Adjusting device of generating grinding head with adjustable

Info

Publication number: CN111774951B
Application number: CN202010538957.7A
Authority: CN
Inventors: 吴世云; 吴广田; 吉启唯; 宋俊卫; 杨子坤
Original assignee: Ningbo Anjiesen Precision Machine Manufacturing Co ltd
Current assignee: Ningbo Anjiesen Precision Machine Manufacturing Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-09-10
Anticipated expiration: 2040-06-13
Also published as: CN111774951A

Abstract

The invention discloses an adjusting device of an adjustable generating grinding head, which relates to the technical field of grinding equipment and comprises a second cover body, wherein one outer side surface of the second cover body is connected with a grinding wheel, a grinding head rotating shaft is rotatably connected onto the second cover body, and an adjusting mechanism for controlling the second cover body to rotate around the axis of the grinding head rotating shaft is arranged on one side of the grinding head rotating shaft, which is far away from the grinding wheel. The problems of complex operation steps and low working efficiency of adjusting the center height of the grinding wheel are solved. The invention has the effects of convenient adjustment of the center height of the grinding wheel and higher working efficiency.

Description

Adjusting device of generating grinding head with adjustable

Technical Field

The invention relates to the technical field of grinding equipment, in particular to an adjusting device of an adjustable generating grinding head.

Background

At present, a spherical self-aligning roller bearing is ground by a generating grinding head, but the generating grinding head is required to be adjusted in height.

The prior Chinese patent with publication number CN203109791U discloses a generating mill adjusting device, which comprises a grinding head adjusting plate and a grinding head seat, wherein a pressing support is fixed on the grinding head seat, a rear pressing sleeve is screwed at the end of a rotary central hole of the pressing support, a rotary shaft is arranged in the rotary central hole of the grinding head adjusting plate, an adjusting screw rod is assembled in the screw rod seat, a front pressing sleeve is fixed in the rotary central hole of the grinding head seat, and a front steel ball and a rear steel ball are pressed in two conical surfaces of the rotary shaft by the front pressing sleeve and the rear pressing sleeve. The grinding head seat comprises a grinding wheel, and the height of the center of the grinding head is adjusted, namely the height of the center of the grinding wheel is adjusted. When the grinding wheel works, the screw is loosened, and the adjusting screw rod is adjusted by a wrench to drive the grinding head adjusting plate to swing up and down by taking the front steel ball and the rear steel ball as a rotation center, so that the center height of the grinding wheel is adjusted.

The above prior art solutions have the following drawbacks: when the center height of the grinding wheel needs to be adjusted, the bolt needs to be loosened, and the screw needs to be adjusted through the wrench, so that the grinding wheel is driven to swing up and down, the operation steps are complex, and the working efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an adjusting device of an adjustable generating grinding head, which has the effects of convenience in adjusting the central height of a grinding wheel and higher working efficiency.

The above object of the present invention is achieved by the following technical solutions:

the adjusting device for the adjustable generating grinding head comprises a second cover body, wherein a grinding wheel is connected to one outer side face of the second cover body, a grinding head rotating shaft is rotatably connected to the second cover body, and an adjusting mechanism for controlling the second cover body to rotate around the axis of the grinding head rotating shaft is arranged on one side, away from the grinding wheel, of the grinding head rotating shaft.

By adopting the technical scheme, when the central height of the grinding wheel needs to be adjusted, the adjusting mechanism is controlled to enable the second cover body to slightly rotate around the axis of the grinding head rotating shaft, the second cover body can drive the grinding wheel on the outer side of the second cover body to rotate around the grinding head rotating shaft by rotating around the axis of the grinding head rotating shaft, and the central height of the grinding wheel can rise or fall at the moment, so that the central height of the grinding wheel can be conveniently adjusted, and the working efficiency of adjusting the central height of the grinding wheel is higher.

The present invention in a preferred example may be further configured to: the grinding head rotary shaft is close to a fixing frame of one end of the grinding wheel, the adjusting mechanism comprises a second sleeve fixed with one surface of the fixing frame close to the second cover body, a second nut is clamped in the second sleeve, a second through hole penetrating through the second sleeve is formed in the side surface of the second sleeve, the second cover body is close to a first sleeve fixedly connected with one surface of the second sleeve, a first nut is clamped in the first sleeve, a first through hole penetrating through the first sleeve is formed in the side surface of the first sleeve, the adjusting mechanism further comprises a threaded rod, the threaded rod sequentially penetrates through the first through hole, the first nut, the second through hole and the second nut, the threaded rod comprises an upper threaded portion connected with the first nut in a threaded manner, the adjusting mechanism further comprises a lower threaded portion connected with the second nut in a threaded manner, and the thread pitch of the upper threaded portion is different from that of the lower threaded portion.

By adopting the technical scheme, when the threaded rod is screwed, the angular velocities of the upper threaded part and the lower threaded part are the same, when the position of the second sleeve and the second nut is fixed, the threaded rod can move upwards or downwards, and the displacement of the threaded rod which moves upwards or downwards is the relative displacement of the lower threaded part and the second nut; since the pitches of the upper threaded portion and the lower threaded portion are different, the relative displacement between the upper threaded portion and the first nut and the relative displacement between the lower threaded portion and the second nut are different; when the threaded rod is screwed, the first sleeve can move in a direction which is far close to or far away from the second sleeve, so that the second cover body can slightly rotate around the axis of the grinding head rotating shaft; when the central height of emery wheel was adjusted to needs, only need rotate the threaded rod can, easy operation, labour saving and time saving, and the fine setting of the emery wheel central height of being convenient for, the adjustment volume is comparatively accurate.

The present invention in a preferred example may be further configured to: the one end that the second cover body is inside to be close to the emery wheel rotates and is connected with the second belt pulley, and the one side fixedly connected with that the second belt pulley is close to the emery wheel runs through the driving roller of the cover body, driving roller and emery wheel fixed connection, and the one end that the emery wheel was kept away from to the second cover body is equipped with first belt pulley, is connected with driving motor on the first belt pulley, and first belt pulley and second belt pulley pass through the belt and connect.

Through adopting above-mentioned technical scheme, when starting driving motor, driving motor drives first belt pulley and rotates, and first belt pulley rotates and drives the second belt pulley through the belt and rotates, and the second belt pulley rotates then to drive driving roller and emery wheel rotation, and the emery wheel rotates then can process the work piece, and the working process is simple convenient.

The present invention in a preferred example may be further configured to: the belt is connected with a tensioning mechanism which can tension the belt.

Through adopting above-mentioned technical scheme, when the second cover body drives the second belt pulley and takes place slight rotation, the second belt pulley can be to the direction motion of being close to first belt pulley, and the belt can take place to relax this moment, and straining device can keep the tensioning of belt this moment, guarantees that driving motor can be normal drives the emery wheel and rotates.

The present invention in a preferred example may be further configured to: the inside of the second cover body is provided with a first through groove through which a belt passes, the tensioning mechanism comprises rotating rollers abutting against the upper surface and the lower surface of the belt, the end face, close to the first through groove, of each rotating roller is rotatably connected with a connecting block respectively, and a spring enabling the rotating rollers to abut against the belt is fixedly connected between each connecting block and the first through groove respectively.

By adopting the technical scheme, when the belt is loosened, the rotating rollers positioned on the upper side and the lower side of the belt can tightly support the belt under the action of the springs, so that the belt is kept in a tensioned state; when the belt rotates, the rotating roller can rotate under the drive of the belt, so that the rotating roller does not influence the transmission of the belt.

The present invention in a preferred example may be further configured to: the connecting block is connected with a guide assembly for guiding the extension of the spring.

Through adopting above-mentioned technical scheme, guarantee that the live-rollers is in the state of compressing tightly the belt under the effort of spring always.

The present invention in a preferred example may be further configured to: the guide assembly comprises a guide block, one surface of the guide block, close to the first through groove, is fixed, the end face, close to the guide block, of the first through groove is provided with a strip groove, and the strip groove is connected with the guide block in a sliding mode.

Through adopting above-mentioned technical scheme, the guide block slides in rectangular inslot and provides the effect of direction for the flexible of spring.

The present invention in a preferred example may be further configured to: the second cover body comprises a rotating part connected with the grinding head rotating shaft, and a disassembling part is detachably connected to one surface, far away from the grinding wheel, of the rotating part.

Through adopting above-mentioned technical scheme, can separate dismantlement portion and rotation portion to the straining device to the second cover body is inside overhauls.

The present invention in a preferred example may be further configured to: the one side that dismantlement portion is close to rotation portion is equipped with the round joint groove, joint groove and rotation portion are close to the border joint of dismantlement portion.

Through adopting above-mentioned technical scheme, when the separation is dismantled with the rotation portion to the portion of dismantling as required, only need to make the joint groove break away from the rotation portion to the direction pulling dismantlement portion of keeping away from the rotation portion can, easy operation, the staff's operation of being convenient for.

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

1. when the central height of the grinding wheel needs to be adjusted, the adjusting mechanism is controlled to enable the second cover body and the grinding wheel to slightly rotate around the axis of the grinding head rotating shaft, and the central height of the grinding wheel can rise or fall at the moment, so that the central height of the grinding wheel can be conveniently adjusted, and the working efficiency of adjusting the central height of the grinding wheel is high;

2. when the central height of the grinding wheel needs to be adjusted, only the threaded rod needs to be rotated, so that the operation is simple, time and labor are saved, the fine adjustment of the central height of the grinding wheel is facilitated, and the adjustment amount is accurate;

3. when the second cover body drives the second belt pulley to rotate slightly, the second belt pulley can move towards the direction close to the first belt pulley, the belt can loosen at the moment, the tensioning mechanism can keep the tensioning of the belt at the moment, and the driving grinding wheel can be driven to rotate normally by the driving motor.

Drawings

Fig. 1 is a schematic view of the overall structure of the adjustment device according to the embodiment.

Fig. 2 is a schematic view showing the internal structure of the belt cover according to the embodiment.

FIG. 3 is a schematic structural diagram of an embodiment embodying an adjustment mechanism.

FIG. 4 is a schematic structural diagram of an embodiment embodying a tensioning mechanism.

FIG. 5 is a schematic structural diagram of the embodiment showing the detachment and separation of the rotating part and the detaching part.

In the figure, 1, a support seat; 2. a drive motor; 21. a first pulley; 22. a belt; 3. a fixed mount; 31. a grinding head rotating shaft; 4. a belt cover; 41. a first cover body; 42. a second cover body; 421. a movable hole; 422. a first through groove; 423. a second through groove; 424. a rotating part; 425. a detaching part; 426. a clamping groove; 5. a second pulley; 51. a driving roller; 52. a grinding wheel; 6. an adjustment mechanism; 61. a first sleeve; 62. a first nut; 63. a first through hole; 64. a second sleeve; 65. a second nut; 66. a second through hole; 67. a threaded rod; 671. an upper threaded portion; 672. a lower threaded portion; 7. a tensioning mechanism; 71. a rotating roller; 72. connecting blocks; 73. a spring; 74. a guide block; 75. a long groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, an adjusting device for an adjustable generating grinding head disclosed by the present invention includes a supporting base 1, a driving motor 2 is fixedly connected to an upper surface of the supporting base 1, and a first belt pulley 21 is fixedly connected to an output shaft of the driving motor 2. One side of driving motor 2 is provided with mount 3, and mount 3 fixed connection is on the upper surface of supporting seat 1. One side of mount 3 is provided with belt cover 4, and the inside one end of keeping away from first belt pulley 21 of belt cover 4 rotates and is connected with second belt pulley 5, and first belt pulley 21 passes through belt 22 with second belt pulley 5 to be connected, and the inside of belt cover 4 is arranged in to first belt pulley 21, second belt pulley 5 and belt 22. A driving roller 51 is fixedly connected to the axis of the second pulley 5, the driving roller 51 penetrates through the belt cover 4 and is fixedly connected with a grinding wheel 52, and the grinding wheel 52 is preferably a cup-shaped grinding wheel 52 in this embodiment.

When the driving motor 2 is started, the driving motor 2 drives the first belt pulley 21 to rotate, the first belt pulley 21 rotates to drive the second belt pulley 5 to rotate through the belt 22, the second belt pulley 5 rotates to drive the transmission roller 51 and the grinding wheel 52 to rotate, and the grinding wheel 52 rotates to process a workpiece.

As shown in fig. 2, the belt cover 4 includes a first cover 41 fixedly connected to the driving motor 2, and a second cover 42 is disposed on a side of the first cover 41 close to the fixing frame 3. One end of the second cover 42 close to the first cover 41 extends into the first cover 41, that is, one end of the first cover 41 is sleeved with one end of the second cover 42. A grinding head rotating shaft 31 arranged in the horizontal direction is fixedly connected to one side surface of the fixing frame 3 close to the belt cover 4, the grinding head rotating shaft 31 penetrates through the second cover body 42, and the grinding head rotating shaft 31 is rotatably connected with the second cover body 42. The second cover body 42 is connected with an adjusting mechanism 6 for controlling the center height of the grinding wheel 52 of the second cover body 42 rotating around the axis of the grinding head rotating shaft 31.

When the height of the center of the grinding wheel 52 needs to be adjusted, the adjusting mechanism 6 is controlled to enable the second cover body 42 to slightly rotate around the axis of the grinding head rotating shaft 31, at the moment, one end, close to the second belt pulley 5, of the second cover body 42 can be lifted or lowered, so that the second belt pulley 5, the transmission roller 51 and the grinding wheel 52 can be lifted or lowered, the height of the center of the grinding wheel 52 can be conveniently adjusted, and the work efficiency of adjusting the height of the center of the grinding wheel 52 is high. Because the adjustment range of the center height of the grinding wheel 52 is generally smaller, the second cover body 42 cannot rotate greatly, and the rotation of the second cover body 42 cannot be influenced when one end of the first cover body 41 is sleeved outside one end of the second cover body 42.

Referring to fig. 3, the adjusting mechanism 6 is located on one side of the grinding head rotation shaft 31 far away from the second belt pulley 5, the adjusting mechanism 6 includes a first sleeve 61 fixedly connected with an inner side wall of the second housing 42 near the fixed frame 3, the first sleeve 61 is horizontally arranged, and a side of the fixed frame 3 near the second housing 42 is fixedly connected with a second sleeve 64 horizontally arranged. One side of the second cover body 42 connected with the first sleeve 61 is provided with a movable hole 421 penetrating through the side wall of the second cover body 42, the length direction of the movable hole 421 is vertically arranged, and the movable hole 421 is a waist-shaped hole. Second sleeve 64 is inserted through movable hole 421 into the interior of second housing 42.

First nut 62 has been connected to the joint in the first sleeve pipe 61, and the joint has second nut 65 in the second sleeve pole, and first nut 62 and second nut 65 can not take place the rotation on the horizontal direction yet. The side wall of the first sleeve 61 is provided with a first through hole 63 which penetrates through the first sleeve 61 in the vertical direction, the side wall of the second sleeve 64 is provided with a second through hole 66 which penetrates through the second sleeve 64 in the vertical direction, the first through hole 63 is vertically aligned with the threaded hole of the first nut 62, and the second through hole 66 is vertically aligned with the threaded hole of the second nut 65. The length directions of the first through hole 63 and the second through hole 66 are both arranged in the horizontal direction and are both waist-shaped holes.

The adjusting mechanism 6 further comprises a threaded rod 67, the threaded rod 67 sequentially penetrates through the first through hole 63, the first nut 62, the second through hole 66 and the second nut 65, and two ends of the threaded rod 67 extend out of the first through hole 63 and the second through hole 66. The threaded rod 67 includes an upper threaded portion 671 and a lower threaded portion 672, the pitch of the threads of the upper threaded portion 671 is greater than that of the threads of the lower threaded portion 672, and the thread directions of the upper threaded portion 671 and the lower threaded portion 672 are the same. The upper threaded portion 671 is threadedly coupled to the first nut 62, and the lower threaded portion 672 is threadedly coupled to the second nut 65.

As shown in fig. 3, when the threaded rod 67 is screwed, the angular velocities of the upper thread portion 671 and the lower thread portion 672 are the same, and therefore the relative displacement of the upper thread portion 671 having a large pitch and the first nut 62 is larger than the relative displacement of the lower thread portion 672 having a small pitch and the second nut 65. When the threaded rod 67 rotates, the threaded rod 67 moves up or down due to the fixed positions of the second sleeve 64 and the second nut 65, and the displacement of the threaded rod 67 moving up or down is the relative displacement of the lower threaded part 672 and the second nut 65; since the length of the threaded rod 67 cannot be changed, the relative displacement between the first nut 62 and the upper threaded portion 671 is larger than the relative displacement between the lower threaded portion 672 and the second nut 65, and the first nut 62 can only move in the direction opposite to the moving direction of the threaded rod 67, so that the relative displacement between the first nut 62 and the upper threaded portion 671 can be increased.

The first nut 62 moves in the direction opposite to the direction of movement of the threaded rod 67 and moves the first sleeve 61 toward or away from the second sleeve 64, so that the second housing 42 slightly rotates about the axis of the grinding-head rotation shaft 31. When the central height of emery wheel 52 needs to be adjusted, only need rotate threaded rod 67 can, easy operation, labour saving and time saving, and the fine setting of emery wheel 52 central height of being convenient for, the regulating variable is comparatively accurate.

As shown in fig. 3, when the first sleeve 61 moves toward or away from the second sleeve 64, the displacement path of the second sleeve 64 is a circular arc shape centered on the axis of the grinding stone rotating shaft 31, and the threaded rod 67, the first nut 62 and the second nut 65 can be slightly rotated in the length direction of the first through hole 63 and the second through hole 66 because the first through hole 63 and the second through hole 66 have a certain length in the horizontal direction.

As shown in fig. 2, a first through groove 422 and a second through groove 423 are provided inside the second cover 42, the first through groove 422 and the second through groove 423 are located between the first pulley 21 and the second pulley 5, the belt 22 is sleeved on the first pulley 21 and the second pulley 5, and the belt 22 is placed in the first through groove 422 and the second through groove 423.

When the second cover 42 drives the second pulley 5 to slightly rotate, the second pulley 5 moves towards the direction close to the first pulley 21, and at this time, the belt 22 is loosened, and in order to solve this problem, the tensioning mechanism 7 (see fig. 4) for tensioning the belt 22 is disposed in the first through groove 422.

As shown in fig. 4, the tensioning mechanism 7 includes two rotating rollers 71 respectively abutting against the upper surface and the lower surface of the belt 22, one surface of each rotating roller 71 close to the fixing frame 3 is respectively and rotatably connected with a connecting block 72, a spring 73 is fixedly connected between the connecting block 72 close to the upper end surface of the first through groove 422 and the upper end surface of the first through groove 422, and a spring 73 is also fixedly connected between the connecting block 72 close to the lower end surface of the first through groove 422 and the lower end surface of the first through groove 422. The two rotating rollers 71 respectively abut against the belt 22 under the action of the springs 73, the springs 73 are always in a compressed state, and the two rotating rollers 71 are not positioned on the same vertical line.

When the belt 22 slackens, the rotating rollers 71 on the upper and lower sides of the belt 22 are pressed against the belt 22 by the springs 73, so that the belt 22 is kept in a tensioned state. When the belt 22 rotates, the rotating roller 71 rotates under the driving of the belt 22, so that the rotating roller 71 does not affect the transmission of the belt 22.

As shown in fig. 4, a guide assembly for guiding the extension and contraction of the spring 73 is connected to the connecting block 72, so as to ensure that the rotating roller 71 is always in a state of pressing the belt 22 under the action of the spring 73.

The guide assembly comprises guide blocks 74 fixedly connected with one surface, far away from the rotating roller 71, of each connecting block 72, two strip grooves 75 arranged in the vertical direction are formed in the side surface, close to the guide blocks 74, of the first through groove 422, and the two guide blocks 74 are connected with the strip grooves 75 close to the guide blocks 74 in a sliding mode. The guide block 74 slides in the elongated slot 75 to provide a guiding function for the extension and retraction of the spring 73. The elongated slot 75 is a dovetail slot, that is, the opening of the elongated slot 75 is narrower than the inside thereof, so that the guide block 74 can only slide along the length direction of the elongated slot 75 and cannot be separated from the elongated slot 75 perpendicular to the length direction of the elongated slot 75, and the extension and retraction of the spring 73 are more stable.

As shown in fig. 5, the second housing 42 includes a rotating part 424 rotatably connected to the grinding head rotating shaft 31 (see fig. 4) and a detaching part 425 away from the fixed frame 3, and the detaching part 425 is detachably connected to the rotating part 424 to facilitate the maintenance of the tightening mechanism 7 (see fig. 4).

As shown in fig. 5, a ring of catching grooves 426 is formed on one side of the detaching portion 425 close to the rotating portion 424, and the catching grooves 426 are caught by a ring of edges of the rotating portion 424 close to the detaching portion 425. When the detaching part 425 and the rotating part 424 need to be detached and separated, the detaching part 425 only needs to be pulled in the direction away from the rotating part 424, the clamping groove 426 is separated from the rotating part 424, and then the rotating part 424 is pulled in the direction away from the first cover 41, so that the rotating part 424 is separated from the first cover 41.

The implementation principle of the embodiment is as follows: when the height of the center of the grinding wheel 52 needs to be adjusted, the threaded rod 67 is screwed to rotate the first nut 62 and the first sleeve 61 in a direction to approach or separate from the second sleeve 64, at this time, the second cover 42 can slightly rotate around the axis of the grinding head rotating shaft 31, and at this time, the second belt pulley 5, the driving roller 51 and the grinding wheel 52 can be raised or lowered, so that the height of the center of the grinding wheel 52 can be adjusted conveniently.

When the second cover 42 drives the second pulley 5 to rotate, the second pulley 5 moves toward the first pulley 21, so that the belt 22 is loosened, and the rotating rollers 71 on the upper and lower sides of the belt 22 are pressed against the belt 22 under the action of the springs 73, so that the belt 22 is kept in a tensioned state.

When a workpiece needs to be ground, only the driving motor 2 needs to be turned on, the driving motor 2 drives the first belt pulley 21 and the second belt pulley 5 to rotate, the second belt pulley 5 rotates to drive the transmission roller 51 and the grinding wheel 52 to rotate, and the grinding wheel 52 rotates to process the workpiece.

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

Claims

1. An adjusting device of adjustable generating grinding head, comprising a second cover body (42), wherein a grinding wheel (52) is connected with an outer side surface of the second cover body (42), and the adjusting device is characterized in that: a grinding head rotating shaft (31) is rotatably connected to the second cover body (42), and an adjusting mechanism (6) for controlling the second cover body (42) to rotate around the axis of the grinding head rotating shaft (31) is arranged on one side, away from the grinding wheel (52), of the grinding head rotating shaft (31);

one end of the grinding head rotating shaft (31) close to the grinding wheel (52) is fixedly connected with a fixed frame (3), the adjusting mechanism (6) comprises a second sleeve (64) fixed with one side of the fixed frame (3) close to the second cover body (42), a second nut (65) is clamped in the second sleeve (64), a second through hole (66) penetrating through the second sleeve (64) is formed in the side surface of the second sleeve (64), one side of the second cover body (42) close to the second sleeve (64) is fixedly connected with a first sleeve (61), a first nut (62) is clamped in the first sleeve (61), a first through hole (63) penetrating through the first sleeve (61) is formed in the side surface of the first sleeve (61), the adjusting mechanism (6) further comprises a threaded rod (67), and the threaded rod (67) sequentially penetrates through the first through hole (63), the first nut (62), the second through hole (66) and the second nut (65), the threaded rod (67) comprises an upper threaded part (671) in threaded connection with the first nut (62) and also comprises a lower threaded part (672) in threaded connection with the second nut (65), and the pitch of the upper threaded part (671) is different from that of the lower threaded part (672);

first through-hole (63) and second through-hole (66) all have certain length and be waist shape hole in the horizontal direction, and the length direction of first through-hole (63) and second through-hole (66) supplies threaded rod (67), first nut (62) and second nut (65) three to take place slight rotation.

2. The adjusting device of an adjustable generating grinding head as claimed in claim 1, wherein: the grinding wheel is characterized in that one end, close to the grinding wheel (52), of the second cover body (42) is rotatably connected with a second belt pulley (5), one face, close to the grinding wheel (52), of the second belt pulley (5) is fixedly connected with a transmission roller (51) penetrating through the cover body, the transmission roller (51) is fixedly connected with the grinding wheel (52), one end, far away from the grinding wheel (52), of the second cover body (42) is provided with a first belt pulley (21), a driving motor (2) is connected onto the first belt pulley (21), and the first belt pulley (21) is connected with the second belt pulley (5) through a belt (22).

3. The adjusting device of an adjustable generating grinding head as claimed in claim 2, wherein: the belt (22) is connected with a tensioning mechanism (7) which can tension the belt (22).

4. The adjusting device of an adjustable generating grinding head as claimed in claim 3, wherein: the inside of the second cover body (42) is provided with a first through groove (422) for a belt (22) to pass through, the tensioning mechanism (7) comprises a rotating roller (71) abutting against the upper surface and the lower surface of the belt (22), the end surface of each rotating roller (71) close to the first through groove (422) is respectively and rotatably connected with a connecting block (72), and a spring (73) fixedly connected between each connecting block (72) and the first through groove (422) enables the rotating roller (71) to abut against the belt (22) is respectively and fixedly connected with the connecting block.

5. The adjusting device of an adjustable generating grinding head as claimed in claim 4, wherein: the connecting block (72) is connected with a guide assembly for guiding the extension and contraction of the spring (73).

6. The adjusting device of an adjustable generating grinding head as claimed in claim 5, wherein: the guide assembly comprises a guide block (74) with one fixed surface, the connecting block (72) is close to the first through groove (422), the end face, close to the guide block (74), of the first through groove (422) is provided with a long groove (75), and the long groove (75) is in sliding connection with the guide block (74).

7. The adjusting device of an adjustable generating grinding head as claimed in claim 3, wherein: the second cover body (42) comprises a rotating part (424) connected with the grinding head rotating shaft (31), and a disassembling part (425) is detachably connected to one side, far away from the grinding wheel (52), of the rotating part (424).

8. The adjusting device of an adjustable generating grinding head as claimed in claim 7, wherein: the one side that dismantlement portion (425) are close to rotation portion (424) is equipped with round joint groove (426), joint groove (426) and rotation portion (424) are close to the border joint of dismantling portion (425).