CN223820303U - Novel grind machine - Google Patents

Abstract

The utility model discloses a novel grinding machine which comprises a frame, a clamp, a grinding disc, a driving device, a grinding disc reset driving mechanism, a first base and a grinding disc base, wherein a connecting rod extends from the bottom of the grinding disc base, a first through hole is formed in the first base, the grinding disc reset driving mechanism is arranged in the first through hole, the grinding disc reset driving mechanism comprises a traction rope, weights and guide wheels, one end of the traction rope is connected to the connecting rod, and the other end of the traction rope bypasses the guide wheels to be connected with the weights. According to the utility model, the workpiece on the clamp is driven to move through the driving mechanism, the workpiece is polished through the rotation of the grinding disc, when the grinding disc is subjected to downward pressure applied by the clamp and the pressure is larger than the weight gravity, the weight applies upward acting force to the connecting rod through the traction rope, so that the grinding disc is propped against the clamp clamping the workpiece, and the grinding disc is not required to be reset manually in the whole process.

Description

Novel grind machine

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a novel grinding machine.

Background

Some precise and fine optical crystals adopt columnar crystal blanks, the blanks are used for processing the end faces of the columnar crystals into spherical surfaces through grinding, the traditional grinding device is not reasonable enough in design, the operation is inconvenient, and the working efficiency and stability are not satisfactory.

In view of the above, the present inventors have conducted intensive studies on the above problems, and have produced the present invention.

Disclosure of utility model

The utility model aims to provide a novel grinder which has a simple structure and is convenient to use, a plurality of blanks can be processed at one time, and the processing efficiency is improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The novel grinding machine comprises a frame, a plurality of clamps, grinding discs and a driving device, wherein the clamps are arranged on the frame and used for clamping workpieces to be processed, the grinding discs are arranged corresponding to the clamps, and the driving device is used for driving the clamps to move;

the grinding disc machine comprises a grinding disc machine body, a grinding disc reset driving mechanism, a first base and a grinding disc base, wherein the grinding disc reset driving mechanism is arranged corresponding to the grinding disc, the first base is fixed on the machine frame, the grinding disc base is arranged on the first base and can slide up and down along the first base, each grinding disc is arranged on the grinding disc base, a connecting rod extends along the direction close to the first base at the bottom of the grinding disc base, a plurality of first through holes are formed in the first base, the grinding disc reset driving mechanism is arranged in the corresponding first through holes, the grinding disc reset driving mechanism comprises a traction rope, weights and guide wheels, the guide wheels are arranged in the first through holes and guide the extending direction of the traction rope, one end of each traction rope is connected to the connecting rod, and the other end of each traction rope bypasses the guide wheels to be connected with the corresponding weights;

When the grinding disc is subjected to downward pressure applied by the clamp, the pressure is larger than the weight gravity, and the weight applies upward acting force to the connecting rod through the traction rope, so that the grinding disc abuts against the clamp clamped with the workpiece.

Preferably, the driving device comprises a first driving mechanism for driving the clamp to transversely move, a sliding rail is arranged on the frame along the length direction of the frame, the first driving mechanism comprises a sliding plate which is slidably arranged on the sliding rail, a first motor which is fixedly arranged on the frame, a rotating block connected with an output shaft of the first motor, and a driving connecting rod which is hinged on the rotating block and eccentrically arranged relative to the rotating block, the other end of the driving connecting rod is connected with the sliding plate, and the clamp is arranged on the sliding plate so as to drive the sliding plate and the clamp to reciprocate along the length direction of the sliding rail through the first motor.

Preferably, the driving device comprises a second driving mechanism for driving the clamp to longitudinally move, the second driving mechanism comprises a sliding plate arranged on the frame, a second base arranged on the sliding plate, an air cylinder fixedly arranged on the second base and a telescopic rod telescopically arranged in the air cylinder, and the tail end of the telescopic rod is connected with the clamp so as to drive the clamp to move up and down on the second base through the telescopic rod of the air cylinder.

Preferably, the driving device comprises a third driving mechanism for driving the grinding disc to rotate, a second through hole is formed in the grinding disc base, a supporting beam for supporting the grinding disc is arranged in the second through hole, the supporting beam is arranged in the second through hole through a bearing, a connecting part used for being in transmission connection with the third driving mechanism is arranged at the bottom of the supporting beam, the bearings are respectively arranged at the upper end and the lower end of the second through hole, the supporting beam is arranged in the second through hole in a mode that the supporting beam cannot axially move relative to the second through hole and rotates relative to the second through hole, and the grinding disc is arranged at the upper end of the supporting beam.

Preferably, the third driving mechanism comprises a second motor arranged on the frame and a driving shaft rotatably arranged on the frame, an output shaft of the second motor is in transmission connection with the driving shaft through a first transmission belt, and the driving shaft is in transmission connection with the connecting part through a second transmission belt.

Preferably, the fixture comprises a core body and a jacket sleeved outside the core body, a through hole is formed in the core body, a plurality of core flaps capable of sliding relative to the through hole and opening and closing are arranged in the through hole, the plurality of core flaps enclose a clamping space for clamping a workpiece, the other end, far away from the core flaps, of the through hole is provided with a limiting piece capable of sliding relative to the through hole, the limiting piece is fixedly connected with the core flaps through a connecting block, one end, close to the core flaps, of the through hole is provided with a step, the bottom of the limiting piece, the step and elastic pieces capable of pushing the limiting piece and enabling the core flaps to be opened to unlock the workpiece are enclosed between the side walls of the core flaps, two ends of the elastic pieces are fixedly connected with the limiting piece and the step respectively, and the lower ends of the core flaps are correspondingly provided with the grinding discs.

Preferably, the device further comprises a clamp base and a rotating body arranged on the clamp base along the vertical direction, wherein the rotating body is in spherical hinge connection with the clamping sleeve, a ball head connecting rod is arranged at the bottom of the rotating body, a ball hinge seat is arranged at the upper end part of the clamping sleeve, and the ball head connecting rod is sleeved in the ball hinge seat with a gap therebetween.

Preferably, the through hole of the core body is provided with an external conical surface corresponding to one end of the core flap.

Preferably, the fixture base comprises a first fixing seat and a second fixing seat which are connected through threads, a plurality of through holes are formed in the second fixing seat, the rotating body is arranged in the third through holes, the first fixing seat is divided into a first space for the second fixing seat to be arranged and a second space for the fixture to be placed through a partition plate, a fourth through hole for communicating the first space with the second space is formed in the partition plate, and the bottom of the rotating body penetrates through the fourth through holes to be connected with the fixture.

Preferably, the grinding disc comprises a grinding disc body, and the grinding disc body is provided with a grinding disc seat.

By adopting the design scheme, the grinding disc grinding device has the beneficial effects that the workpiece on the clamp is driven to move through the driving mechanism, the workpiece is ground through the rotation of the grinding disc, when the grinding disc is subjected to downward pressure applied by the clamp and is larger than the weight gravity, the weight applies upward acting force to the connecting rod through the traction rope, and the grinding disc is propped against the clamp clamping the workpiece. The grinding disc can be automatically reset without manually resetting the grinding disc in the whole process, so that the labor is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of another embodiment of the present utility model (omitting the first and third drive mechanisms);

FIG. 4 is a partial cross-sectional view of FIG. 3 in accordance with the present utility model;

FIG. 5 is a cross-sectional view of the connection between the clamp and the abrasive disc of the present utility model;

In the drawing, a frame 10, a table 20, a slide plate 21, a first slide rail 22, a clamp 30, a core 31, a through hole 311, a step 312, a collet 32, a ball bearing 321, a core 33, a stopper 34, an elastic member 35, a clamp base 36, a first fixing base 361, a second fixing base 362, a third through hole 363, a partition plate 364, a fourth through hole 365, a rotator 37, a ball connecting rod 371, a grinding disc 40, a grinding groove 401, a first base 41, a second slide rail 411, a first through hole 412, a grinding disc base 42, a grinding disc slide block 421, a connecting rod 422, a second through hole 423, a traction rope 431, a weight 432, a guide wheel 433, a support beam 44, a groove 441, a bearing 45, a first driving mechanism 51, a first motor 511, a rotating block 512, a driving connecting rod 513, a second driving mechanism 52, a second base 521, a cylinder 522, a telescopic rod 523, a third driving mechanism 53, a second motor 531, a driving shaft 532, and a workpiece 90 are illustrated.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5

The utility model provides a novel grind machine, includes frame 10, sets up workstation 20 on frame 10, sets up slide 21 on workstation 20, a plurality of setting is on frame 10 and is used for the anchor clamps 30 of centre gripping work piece 90 to be processed, corresponds the mill 40 that anchor clamps 30 set up, is used for driving the drive arrangement of anchor clamps 30 motion and corresponds the mill reset driving mechanism that mill 40 set up. The drive means comprises a first drive mechanism 51 for driving the slide plate 21 to slide on the table 20, a second drive mechanism 52 for driving the longitudinal movement of the clamp 30, and a third drive mechanism 53 for driving the rotation of the grinding disc 40. The workbench 20 and the slide plate 21 of the embodiment are arranged along the horizontal direction, and the grinder of the utility model can be used for processing columnar optical crystals, and a hemispherical surface is processed at one end of the columnar optical crystals. In this embodiment, the fixture 30 is detachably mounted on the slide plate 21, the grinding disc 40 is rotatably mounted on the table 20, and a hemispherical grinding groove 401 is provided on the grinding disc 40, and during machining, the workpiece 90 contacts with the grinding groove 401 for grinding. The fixture 30 is provided with a plurality of fixtures 30, and each fixture 30 is corresponding to one grinding disc 40. It should be noted that, in this embodiment, at least one slide plate 21 may be disposed on the table 20, and the first driving mechanism 51 drives each slide plate 21 to move along a horizontal direction, specifically, as shown in fig. 1, one first driving mechanism 51 drives 4 slide plates 21 to move back and forth on the table 20 together, that is, 4 slide plates 21 are connected to each other by two, or, of course, a plurality of first driving mechanisms 51 may be disposed, as long as each slide plate 21 can be moved back and forth along a horizontal direction, so long as it is possible to realize that each slide plate 21 is not described in detail herein, and in this embodiment, at least one clamp 30 and at least one grinding disc 40 (defining a clamp 30 and a grinding disc 40 as a group of stations) may be disposed on the slide plate 21, the number of the clamp 30 and the grinding disc 40 are the same and are disposed in a one-to-one correspondence, and the second driving mechanism 52 drives each clamp 30 to move back and forth along a vertical direction, specifically, as shown in fig. 1 and fig. 2, one second driving mechanism 52 drives five clamps 30 to move back and forth on the slide plate 21 together, and five clamps 30 are mounted on the clamp base 36 (which will be described in detail below) so that the second driving mechanism 52 drives five clamps to move back and forth along the vertical direction along the clamp base 36.

For easier understanding, the present embodiment provides only one slide plate 21 and five sets of stations to describe the present utility model, and specific reference is made to fig. 3 and 4, and other possible manners are not described herein.

Further, a first slide rail 22 is provided on the table 20. In this embodiment, the first sliding rail 22 is a single rail, or may be provided with two or more rails, and specifically, the first sliding rail 22 may be horizontally disposed on the working table 20 according to actual arrangement.

Further, the first driving mechanism 51 includes a first motor 511 fixedly provided on the table 20, a rotating block 512 connected to an output shaft of the first motor 511, and a driving link 513 hinged to the rotating block 512 and eccentrically provided with respect to the rotating block 512, the other end of the driving link 513 being connected to the slide plate 21, the driving link 513 being provided in a horizontal direction. The clamp base 36 is disposed on the slide plate 21, so that the slide plate 21, the clamp base 36 and each clamp 30 are driven by the first motor 511 to reciprocate along the length direction of the first slide rail 22. In the present embodiment, the first driving mechanism 51 is not limited to the structure of the rotating block 512 and the driving link 513, but other driving mechanisms capable of driving the sliding plate 21 to move back and forth within a predetermined range can be used, which will not be described in detail herein.

Further, the second driving mechanism 52 includes a second base 521 provided on the slide plate 21, an air cylinder 522 fixedly provided on the second base 521, and a telescopic rod 523 telescopically provided in the air cylinder 522, the distal end of the telescopic rod 523 being connected to the clamp base 36 to drive the clamp base 36 and the clamp 30 to move up and down on the second base 521 by the telescopic rod 523 of the air cylinder 522.

The table 20 is fixedly provided with a first base 41 and a grinding disc base 42 which is arranged on the first base 41 and can slide up and down along the first base 41. Specifically, a plurality of second sliding rails 411 are vertically arranged on the side wall of the first base 41, specifically, the number of the second sliding rails 411 is the same as that of the grinding disc bases 42, the grinding disc 40 and the clamp 30, each group of stations are independently separated to adapt to different states of each workpiece 90, the grinding disc bases 42 are arranged on the second sliding rails 411 in a vertically movable manner through the grinding disc sliding blocks 421, and the grinding disc bases 42 and the grinding disc sliding blocks 421 are fixedly arranged through threads.

The bottom of mill slider 421 extends along the position that is close to first base 41 has connecting rod 422, is provided with a plurality of first through-hole 412 on the first base 41, and mill reset driving mechanism sets up in corresponding first through-hole 412.

The grinding disc resetting driving mechanism comprises a traction rope 431, weights 432 and guide wheels 433 which are arranged in the first through holes 412 and guide the extension direction of the traction rope 431, one end of the traction rope 431 is connected to the connecting rod 422, the other end of the traction rope 431 bypasses the guide wheels 433 to be connected with the weights 432, specifically, the weights 432 are arranged on one side of the connecting rod 422, and the weights 432 are connected only by the traction rope 431. The weight 432 in this embodiment can add the weight of the weight 432 according to the actual situation, when the grinding disc 40 is applied with downward pressure to the fixture 30 by the second driving mechanism 52 and the pressure is greater than the weight 432 gravity, the weight 432 applies upward force to the connecting rod 422 through the traction rope 431, so that the grinding disc 40 is propped against the fixture 30 holding the workpiece 90. The relative distance between the grinding disc 40 and the clamp 30 can be adjusted through the grinding disc resetting driving mechanism, the weight 432 applies upward acting force to the connecting rod 422 through the traction rope 431, the grinding disc 40 is ensured to be pressed against the workpiece 90 with proper pressure in the grinding process, and meanwhile, the connecting rod 422 cannot interfere with normal rotation of the supporting beam 44 (described in detail below).

The grinding disc base 42 is provided with a second through hole 423, a supporting beam 44 for supporting the grinding disc 40 is arranged in the second through hole 423, the supporting beam 44 is arranged in the second through hole 423 along the vertical direction, the supporting beam 44 is arranged in the second through hole 423 through a bearing 45, the bottom of the supporting beam 44 is provided with a connecting part for being in transmission connection with a third driving mechanism 53, preferably, the connecting part is a groove 441 arranged at the bottom end part of the supporting beam 44, and the third driving mechanism 53 is in transmission connection with the connecting part of the supporting beam 44. Bearings 45 are provided at upper and lower ends of the second through hole 423, respectively, and a support beam 44 is installed in the second through hole 423 so as not to be axially movable with respect to the second through hole 423 and to be rotatable with respect to the second through hole 423. The grinding disc 40 is disposed at the upper end of the support beam 44, and the grinding disc 40 and the support beam 44 rotate synchronously when the support beam 44 rotates. In this embodiment, the jig base 36 is provided with a corresponding third through hole 363, and a plurality of jigs 30 may be placed on the jig base, where each jig 30 is placed in a corresponding third through hole 363, and the table 20 is provided with a grinding disc 40 corresponding to each jig 30.

Preferably, the fixture base 36 is further included, the fixture base 36 includes a first fixing base 361 and a second fixing base 362 which are connected through threads, a plurality of third through holes 363 are formed in the second fixing base 362, and the third through holes 363 are provided with a rotator 37 along the vertical direction. The first fixing base 361 is divided into a first space for the second fixing base 362 to be arranged and a second space for the clamp 30 to be placed by a partition plate 364, a fourth through hole 365 for communicating the first space and the second space is arranged on the partition plate 364, and the bottom of the rotator 37 passes through the fourth through hole 365 and is connected with the clamp 30.

Further, the fixture 30 includes a core 31 and a jacket 32 sleeved outside the core 31, the core 31 is rod-shaped, the jacket 32 is cylindrical, through holes 311 are formed in the core 31, a plurality of core flaps 33 capable of sliding relative to the through holes 311 and capable of opening and closing are arranged in the through holes 311, the plurality of core flaps 33 enclose a clamping space for clamping the workpiece 90, the number of the core flaps 33 is 3 to 4, a limiting piece 34 capable of sliding relative to the through holes 311 is arranged at the other end, far away from the core flaps 33, of the through holes 311 of the core 31, the limiting piece 34 is fixedly connected with the core flaps 33 through a connecting block, a step 312 is arranged at one end, close to the core flaps 33, of the through holes 311, an elastic piece 35 capable of pushing the limiting piece 34 and enabling the plurality of core flaps 33 to open to unlock the workpiece 90 is enclosed between the bottom of the limiting piece 34 and the side walls of each core flap 33, and two ends of the elastic piece 35 are fixedly connected with the limiting pieces 34 and 312 respectively. When the polishing machine is used, acting force is applied downwards to the rotating body 37, the rotating body 37 moves downwards to press the limiting piece 34, the limiting piece 34 and each core piece 33 move downwards along the through holes 311, the core pieces 33 are opened, after the workpiece 90 to be processed is placed in, the acting force to the rotating body 37 is removed, the elastic piece 35 recovers elastic force, the limiting piece 34 is pressed upwards, the core pieces 33 are driven to move upwards along the through holes 311, the core pieces 33 are folded, the workpiece 90 is clamped, the lower end of the core body 31 is arranged corresponding to the polishing disc 40, and the workpiece 90 stretches into the polishing disc 40 for polishing. The fixture 30 of this embodiment has the advantages of simple structure and convenient assembly and disassembly of the workpiece 90, and can be used for other grinding machines besides the grinding machine described above.

Further, the rotating body 37 is in ball hinge connection with the jacket 32, a ball joint connecting rod 371 is arranged at the bottom of the rotating body 37, a ball hinge seat 321 is arranged at the upper end of the jacket 32, and the ball joint connecting rod 371 is sleeved in the ball hinge seat 321 with a gap therebetween. Through the first driving mechanism 51, the second driving mechanism 52 and the third driving mechanism 53, the spherical hinge connection enables the fixture 30 to drive the workpiece 90 to rotate in a second space in a multi-direction manner, so that the contact surface with the grinding groove 401 is ground in a multi-direction manner.

Preferably, the through hole 311 of the core 31 is provided with an external conical surface corresponding to one end of the core 33, the core 31 is provided with an internal conical surface corresponding to the other end, and the axial movement of the core 31 is converted into the circumferential force of the core 31 through the cooperation of the internal conical surface and the external conical surface, so as to realize the folding and unfolding of the core 33.

Further, cooling water spray heads (not shown in the figure) are provided on the frame 10 corresponding to the grinding discs 40, the cooling water spray heads are connected to a water source, and a plurality of cooling water spray heads are provided on the cooling water distribution disc. The cooling water cools the workpiece 90 and the grinding disc 40 on the one hand and on the other hand may rinse the powder in the grinding disc 40.

Further, the third driving mechanism 53 includes a second motor 531 provided on the frame 10 and a driving shaft 532 rotatably provided on the frame 10, an output shaft of the second motor 531 is drivingly connected to the driving shaft 532 by a first transmission belt (not shown), and the driving shaft 532 is drivingly connected to the recess 441 of the connection portion by a second transmission belt (not shown).

In use, each workpiece 90 to be ground is clamped on the core 33 of the fixture 30, the workpiece 90 is moved down to press the workpiece 90 against the grinding groove 401 of the grinding disc 40 with the sphere R degree by a certain pressure through the second driving mechanism 52, the first driving mechanism 51 drives the fixture 30 to move along the horizontal direction, the third driving mechanism 53 drives the grinding disc 40 to rotate at a certain speed, the workpiece 90 swings at a certain angle with the center of the sphere R degree of the grinding ball, and cutting fluid or water is needed for lubrication and cooling in the grinding process, and an automatic sensing device is further provided, when one surface of the workpiece 90 is ground into a qualified spherical surface in a specified time, the process and the process can be automatically stopped, so that excessive grinding is avoided, and the yield is affected.

By adopting the design scheme, the grinding disc device has the beneficial effects that the first driving mechanism 51 and the second driving mechanism 52 drive the workpiece 90 on the clamp 30 to move, the third driving mechanism 53 drives the grinding disc 40 to rotate so as to grind the workpiece 90, when the grinding disc 40 is subjected to downward pressure applied by the clamp 30 and the pressure is larger than the gravity of the weight 432, the weight 432 applies upward acting force to the connecting rod 433 through the traction rope 431, so that the grinding disc 40 is propped against the clamp 30 clamping the workpiece 90. The grinding disc can be automatically reset without manually resetting the grinding disc in the whole process, so that the labor is saved, and the working efficiency is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The novel grinding machine comprises a frame, a plurality of clamps, grinding discs, a driving device, a grinding disc reset driving mechanism, a first base and a grinding disc base, wherein the clamps are arranged on the frame and used for clamping workpieces to be machined, the grinding discs correspond to the clamps, the driving device is used for driving the clamps to move, the grinding disc reset driving mechanism corresponds to the grinding discs, the first base is fixed on the frame, the grinding disc base is arranged on the first base and can slide up and down along the first base, each grinding disc is arranged on the grinding disc base, a connecting rod extends from the bottom of the grinding disc base along the direction close to the first base, a plurality of first through holes are formed in the first base, the grinding disc reset driving mechanism is arranged in the corresponding first through holes, the grinding disc reset driving mechanism comprises a traction rope, weights and guide wheels, the guide wheels are arranged in the first through holes and guide the extending directions of the traction rope, one ends of the traction rope are connected to the connecting rod, and the other ends of the guide wheels bypass the first through the weights and are connected;

When the grinding disc is subjected to downward pressure applied by the clamp, the pressure is larger than the weight gravity, and the weight applies upward acting force to the connecting rod through the traction rope, so that the grinding disc abuts against the clamp clamped with the workpiece.

2. The novel grinding machine according to claim 1, wherein the driving device comprises a first driving mechanism for driving the clamp to transversely move, a sliding rail is arranged on the frame along the length direction of the frame, the first driving mechanism comprises a sliding plate which is slidably arranged on the sliding rail, a first motor fixedly arranged on the frame, a rotating block connected with an output shaft of the first motor, and a driving connecting rod hinged on the rotating block and eccentrically arranged relative to the rotating block, the other end of the driving connecting rod is connected with the sliding plate, and the clamp is arranged on the sliding plate to drive the sliding plate and the clamp to reciprocate along the length direction of the sliding rail through the first motor.

3. The novel grinding machine according to claim 1, wherein the driving device comprises a second driving mechanism for driving the clamp to longitudinally move, the second driving mechanism comprises a sliding plate arranged on the frame, a second base arranged on the sliding plate, an air cylinder fixedly arranged on the second base and a telescopic rod telescopically arranged in the air cylinder, and the tail ends of the telescopic rod are connected with the clamp so as to drive the clamp to move up and down on the second base through the telescopic rod of the air cylinder.

4. The novel grinding machine according to claim 1, wherein the driving device comprises a third driving mechanism for driving the grinding disc to rotate, a second through hole is formed in the grinding disc base, a supporting beam for supporting the grinding disc is arranged in the second through hole, the supporting beam is arranged in the second through hole through a bearing, a connecting part for being in transmission connection with the third driving mechanism is arranged at the bottom of the supporting beam, the bearings are respectively arranged at the upper end and the lower end of the second through hole, the supporting beam is arranged in the second through hole in a mode of being incapable of axially moving relative to the second through hole and rotating relative to the second through hole, and the grinding disc is arranged at the upper end of the supporting beam.

5. The novel grinding machine according to claim 4, wherein the third driving mechanism comprises a second motor arranged on the frame and a driving shaft rotatably arranged on the frame, an output shaft of the second motor is in transmission connection with the driving shaft through a first transmission belt, and the driving shaft is in transmission connection with the connecting part through a second transmission belt.

6. The novel grinding machine according to claim 1, wherein the clamp comprises a core body and a jacket sleeved outside the core body, through holes are formed in the core body, a plurality of core flaps capable of sliding relative to the through holes and opening and closing are arranged in the through holes, the plurality of core flaps enclose a clamping space for clamping a workpiece, the other end, far away from the core flaps, of the through holes is provided with a limiting piece capable of sliding relative to the through holes, the limiting piece is fixedly connected with the core flaps through a connecting block, one end, close to the core flaps, of the through holes is provided with a step, an elastic piece capable of pushing the limiting piece and enabling the plurality of core flaps to open to unlock the workpiece is enclosed between the bottom of the limiting piece, the step and the side wall of each core flap, two ends of the elastic piece are fixedly connected with the limiting piece and the step respectively, and the lower end of each core flap is arranged corresponding to the grinding disc.

7. The novel grinding machine according to claim 6, further comprising a clamp base and a rotating body arranged on the clamp base along the vertical direction, wherein the rotating body is in spherical hinge connection with the clamping sleeve, a ball head connecting rod is arranged at the bottom of the rotating body, a ball hinge seat is arranged at the upper end part of the clamping sleeve, and the ball head connecting rod is sleeved in the ball hinge seat with a gap therebetween.

8. The novel grinding machine according to claim 6, wherein the through hole of the core body is provided with an outer conical surface at one end corresponding to the core segment.

9. The novel grinding machine according to claim 7, wherein the clamp base comprises a first fixing seat and a second fixing seat which are connected through threads, a plurality of third through holes are formed in the second fixing seat, the first fixing seat is divided into a first space for the second fixing seat to be arranged and a second space for the clamp to be placed through a partition plate, a fourth through hole for communicating the first space with the second space is formed in the partition plate, and the bottom of the rotating body penetrates through the fourth through holes to be connected with the clamp.

10. The novel grinding mill of claim 1, further comprising a cooling water spray head disposed in correspondence with the grinding disc, the cooling water spray head being connected to a water source.