An automatic feeding and grinding device for crystal bar processing and its usage method

Abstract

The present invention relates to the field of crystal bar grinding equipment, and specifically relates to an automatic feeding and grinding device for crystal bar processing and its usage method, including a base. A water storage tank is provided at the top of the base. Symmetrically fixed connection support ring frames are provided on the inner top surface of the water storage tank. A support cylinder is rotatably connected between the two support ring frames. A feeding transmission mechanism is movably connected between both sides of the support cylinder and the top of the base. A transmission ring is movably sleeved in the middle of the support cylinder. This automatic feeding and grinding device for crystal bar processing is composed of a feeding transmission mechanism and an adjustment mechanism; under the action of the feeding transmission mechanism, the crystal bar is ground by the arc-shaped grinding plates inside the support cylinder. At the same time, the feeding transmission mechanism cooperates with the adjustment mechanism to automatically switch the grinding state of the four arc-shaped grinding plates, facilitating the cleaning of the surfaces of the arc-shaped grinding plates after the state is switched, and avoiding the adhesion of crystal powder on the surface of the arc-shaped grinding plates during long-term grinding operations, which affects the grinding quality.

Description

Technical Field

[0001] The present invention relates to the field of ingot grinding equipment, and specifically to an automatic feeding and grinding device for ingot processing and its usage method. Background Art

[0002] The processing of ingots mainly includes key processes such as core drilling, cutting, and outer circle grinding, and the outer circle grinding of ingots is a key process.

[0003] The existing patent (publication number: CN114273995B) discloses an automatic feeding and grinding device for sapphire ingot processing, including a fixing plate. A reciprocating member is fixedly installed on the upper surface of the fixing plate, and a limiting block is fixedly installed on the lower surface of the fixing plate. In the process of implementing this solution, the following problems in the prior art are found not to be well solved: 1. During the ingot grinding process, a large amount of ingot powder is generated. During the long-term grinding process of the grinding plate, some ingot powder will adhere to the surface of the grinding plate, affecting the grinding effect of the grinding plate and the processing quality. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic feeding and grinding device for ingot processing and its usage method to solve the problems raised in the above background art: 1. During the use of some existing ingot grinding devices, the adhesion of ingot powder on the surface of the grinding plate affects the grinding quality. To achieve the above purpose, the present invention provides the following technical solution: An automatic feeding and grinding device for ingot processing, including a base. A water storage tank is opened at the top of the base. Support ring frames are symmetrically and fixedly connected to the inner top surface of the water storage tank. A support cylinder is rotatably connected between the two support ring frames. A feeding transmission mechanism is movably connected between the two sides of the support cylinder and the top of the base;

[0005] A transmission ring is movably sleeved in the middle of the support cylinder. The lower part of the transmission ring is movably connected to the middle of the feeding transmission mechanism. Tooth rings are fixedly sleeved on both sides of the support cylinder. The side wall of the tooth ring is movably connected to the surface of the feeding transmission mechanism. An adjusting mechanism is movably connected inside the support cylinder. Arc-shaped convex plates are symmetrically and fixedly connected to the inner top surface of the water storage tank and are matched with the adjusting mechanism;

[0006] The feeding transmission mechanism includes two conveying brackets. The two conveying brackets are symmetrically and fixedly connected to the top of the base. A concave guide wheel is rotatably connected to the upper part of the conveying bracket. A shaft rod is rotatably connected to the lower part of the conveying bracket. A convex guide wheel matched with the concave guide wheel is fixedly connected to the middle of the shaft rod. A motor is fixedly connected to the side wall of the left conveying bracket. The rotating end of the motor is fixedly connected to the end of the corresponding shaft rod;

[0007] A guide rod is fixedly connected to the front side of the top of the base. A guide sleeve is slidably connected to the surface of the guide rod. The side wall of the guide sleeve is fixedly connected to the surface of the transmission ring. A transmission rod is rotatably connected to the rear side of the top of the base. Bevel gears are fixedly sleeved at both ends of the transmission rod and the ends of the adjacent shaft rods. Two adjacent bevel gears are meshed and transmitted. A reciprocating tooth sleeve is fixedly sleeved in the middle of the transmission rod. A threaded sleeve is threadedly connected to the surface of the reciprocating tooth sleeve. The side wall of the threaded sleeve is fixedly connected to the surface of the transmission ring;

[0008] Circular gears are fixedly sleeved on both sides of the transmission rod. The two circular gears correspond to the two toothed rings one by one. The side wall of the circular gear is meshed with the side wall of the toothed ring.

[0009] Preferably, a rotating rod is rotatably connected to the upper part of the conveying bracket. The concave guide wheel is fixedly sleeved in the middle of the rotating rod. Synchronous wheels are fixedly sleeved on the surface of the rotating rod and the surface of the same-side shaft rod. A synchronous belt is movably connected between the two synchronous wheels.

[0010] Preferably, main support blocks are symmetrically and fixedly connected to the front side of the top of the base. The guide rod is fixedly connected between the two main support blocks. Slave support blocks are symmetrically and fixedly connected to the rear side of the top of the base. The transmission rod is rotatably connected between the two slave support blocks.

[0011] Preferably, the adjusting mechanism includes through grooves. There are two through grooves, which are respectively opened at both ends of the support cylinder. An adjusting ring is rotatably connected inside the through groove. Arc-shaped connecting grooves are symmetrically opened on the surface of the adjusting ring;

[0012] A connecting rod is slidably connected inside the arc-shaped connecting groove. One end of the connecting rod extends into the support cylinder and is fixedly connected to an arc-shaped plate. Four sliding grooves are equidistantly arranged along the circumference on the inner wall of the support cylinder. The four sliding grooves correspond to the four arc-shaped plates one by one. A rectangular groove matched with the sliding groove is opened on the side of the arc-shaped plate close to the inner wall of the support cylinder. An X-shaped hinge rod is movably connected between the inner walls of the sliding groove and the corresponding rectangular groove;

[0013] Compression springs are fixedly connected to the opposite sides of the four arc-shaped plates. One end of the compression spring is fixedly connected to an arc-shaped grinding plate. Thumb rods are symmetrically slidably connected to the surface of the arc-shaped plate. One end of the thumb rod is lapped on the surface of the corresponding arc-shaped grinding plate. A return spring is movably connected between the other end of the thumb rod and the surface of the arc-shaped plate;

[0014] The outer wall of the support cylinder is symmetrically and fixedly connected with backing plates that cooperate with the transmission ring. The surface of the backing plates is symmetrically and slidably connected with ratchet plates. The middle of the ratchet plates is fixedly connected with pressing rods that cooperate with the adjusting ring. One end of the pressing rod is movably inserted through the side wall of the support cylinder. The outer ring of the adjusting ring is symmetrically provided with arc-shaped linkage grooves. The four pressing rods correspond to the four arc-shaped linkage grooves one by one. One end of the pressing rod is fixedly connected with a connecting pin, and the connecting pin is slidably connected inside the corresponding arc-shaped linkage groove;

[0015] The surface of the backing plates is symmetrically and slidably connected with cross bars that cooperate with the adjusting ring. Both sides of the backing plates are slidably connected with U-shaped sliding sleeves. The two U-shaped sliding sleeves correspond to the two ratchet plates one by one. The two cross bars correspond to the two U-shaped sliding sleeves one by one. The middle of the U-shaped sliding sleeve is provided with an inclined groove. One end of the cross bar extends into the corresponding U-shaped sliding sleeve and is fixedly connected with a sliding pin. One end of the sliding pin is slidably connected inside the corresponding inclined groove. The side of the U-shaped sliding sleeve close to the ratchet plate is provided with a groove. A bevel gear plate is slidably connected inside the groove. A short spring is fixedly connected between one end of the bevel gear plate and the inner wall of the groove. The other end of the bevel gear plate meshes with the surface of the corresponding ratchet plate;

[0016] The outer wall of the support cylinder is fixedly connected with piston cylinders. There are eight piston cylinders. Every four piston cylinders are set as a group. The two groups of piston cylinders are symmetrically arranged on both sides of the support cylinder. The two groups of piston cylinders correspond to the two arc-shaped convex plates one by one. The end of the piston cylinder far from the support cylinder is slidably connected with a piston rod that cooperates with the arc-shaped convex plate. The end of the piston cylinder extending into the support cylinder is fixedly connected with a spray head;

[0017] Both sides of the transmission ring are fixedly connected with spring telescopic rods. One end of the spring telescopic rod is fixedly connected with a pressing ring that cooperates with the cross bar and the pressing rod.

[0018] Preferably, sliding rods are fixedly connected to the inner walls of the sliding groove and the rectangular groove. Hinge blocks are symmetrically slidably connected to the surfaces of the sliding rods. The four ends of the X-shaped hinge rod are respectively hinged to the ends of the four hinge blocks. A reset spring is movably sleeved on the middle of the sliding rod.

[0019] Preferably, mounting blocks are symmetrically slidably connected to the middle of the cross bar. The side wall of the mounting block is fixedly connected with the side wall of the backing plate. A retaining ring is fixedly sleeved on the surface of the cross bar. A restoring spring is movably connected between the side wall of the retaining ring and the side wall of the corresponding mounting block.

[0020] Preferably, a water pumping hose is fixedly connected to the end of the piston cylinder close to the piston rod. A drain pipe is fixedly connected to the side wall of the piston cylinder. One end of the drain pipe is fixedly connected to the surface of the spray head.

[0021] A method for using an automatic feeding and grinding device for crystal bar processing, comprising the following steps:

[0022] S1. When in use, first start the motor to drive the corresponding shaft to rotate, so that the bevel gear on the shaft engages with the bevel gear on the transmission rod to drive the shaft on the right side of the base to rotate synchronously. At the same time, the synchronous pulley on the shaft engages with the synchronous pulley and synchronous belt on the corresponding conveying bracket to drive the convex guide wheel and the concave guide wheel to automatically convey the crystal bar from the left end to the right end of the support cylinder. At this time, the rotating transmission rod engages with the corresponding toothed ring through the circular gear to drive the support cylinder to rotate between the two support ring frames, and the arc-shaped grinding plates in a relatively fitting state inside the support cylinder perform grinding processing on the crystal bar;

[0023] S2. During the rotation of the support cylinder, since the reciprocating tooth sleeve on the surface of the transmission rod cooperates with the threaded sleeve to drive the transmission ring to reciprocate in the middle of the support cylinder. When the transmission ring moves from left to right, the pressing ring on the right side of the transmission ring presses against the end of the corresponding pressing rod, so that the pressing rod drives the ratchet plate to move to the right. At this time, the right ratchet plate automatically performs one-way self-locking during the sliding process in cooperation with the inclined tooth plate on the surface of the corresponding U-shaped sliding sleeve. And when the pressing rod moves to the right, it slides through the connecting pin in cooperation with the arc-shaped linkage groove on the surface of the same-side adjusting ring, so that the adjusting ring rotates inside the support cylinder. And the rotating adjusting ring slides through the arc-shaped connecting groove in cooperation with the connecting rod, driving the two connecting rods to move relatively, so that the connecting rods drive the corresponding arc-shaped plates and arc-shaped grinding plates to move relatively and fit on the surface of the conveyed crystal bar for grinding operation;

[0024] S3. At the same time, the pressing ring moving to the right presses against the end of the cross bar at the lower right part of the backing plate, so that the cross bar at the lower part of the backing plate moves to the right. During the sliding process of the inclined groove on the surface of the U-shaped sliding sleeve in cooperation with the sliding pin at the end of the cross bar, the U-shaped sliding sleeve on the right side of the backing plate moves downwards and drives the inclined tooth plate to disengage from the corresponding ratchet plate. At this time, the pressing rod on the ratchet plate is released from the restriction state with the corresponding adjusting ring, connecting rod and arc-shaped plate on the left side. Then, the X-shaped articulated rod moving in the reset direction drives the arc-shaped plate and the corresponding arc-shaped grinding plate to move towards the inner wall of the support cylinder. Since every two arc-shaped plates are in a group, and the two groups of arc-shaped plates correspond to the two adjusting rings one by one, the two groups of arc-shaped plates can automatically switch positions for grinding;

[0025] S4. When the arc-shaped plate drives the arc-shaped grinding plate in the non-grinding state to move, the arc-shaped plate moving towards the inner wall of the support cylinder drives the ejector rod to press against the inner wall of the support cylinder, so that the other end of the pressed ejector rod presses against the surface of the corresponding arc-shaped grinding plate. At this time, the arc-shaped grinding plate is inclined on the surface of the arc-shaped plate;

[0026] S5. During the rotation of the support cylinder, the piston rod on the piston cylinder comes into contact with the arc-shaped convex plate inside the water storage tank in stages. During the process of the piston rod being pressed, the water inside the water storage tank is pumped into the drain pipe and sprayed out by the water suction hose at the end of the piston cylinder. While the water sprayed out by the nozzle dusts the crystal powder generated during the grinding process, the sprayed water flushes the surface of the inclined arc-shaped grinding plate, and rinses the surface of the arc-shaped grinding plate that has stopped grinding after the switch.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0028] In the present invention, through the coordinated use of components such as the support cylinder, the feeding transmission mechanism, and the adjustment mechanism, the crystal bar is ground by the arc-shaped grinding plate inside the support cylinder under the action of the feeding transmission mechanism. At the same time, the feeding transmission mechanism and the adjustment mechanism cooperate to automatically switch the grinding states of the four arc-shaped grinding plates, which is convenient for cleaning the surfaces of the arc-shaped grinding plates after the state switch, and avoids the surface of the arc-shaped grinding plates adhering to crystal powder during long-term grinding operations, thus affecting the grinding quality.

[0029] In the present invention, through the coordinated use of components such as the support cylinder, the arc-shaped plate, and the piston cylinder, when the arc-shaped plate drives the arc-shaped grinding plate to switch the grinding state, the ejector rod will press the arc-shaped grinding plate to be in an inclined state. Then, during the rotation of the piston cylinder along with the support cylinder, the water inside the water storage tank is pumped to the nozzle position and sprayed out to rinse the surface of the inclined arc-shaped grinding plate, effectively improving the effect of cleaning the crystal powder on the surface of the arc-shaped grinding plate.

[0030] In the present invention, through the coordinated use of components such as the feeding transmission mechanism and the adjustment mechanism, during the automatic feeding process of the crystal bar by the feeding transmission mechanism, the adjustment mechanism is used to automatically switch the grinding states of the four arc-shaped grinding plates, avoiding the need to stop the machine to clean the surfaces of the arc-shaped grinding plates, and improving the convenience of equipment use. Brief Description of the Drawings

[0031] Figure 1 It is a side view of the position of the support cylinder and the base of the present invention;

[0032] Figure 2 It is a side sectional view of the position of the support cylinder and the reciprocating gear sleeve of the present invention;

[0033] Figure 3 It is a side view of the partial position of the support cylinder and the backing plate of the present invention;

[0034] Figure 4 For the present invention Figure 3 The enlarged view of the structure at A in the present invention;

[0035] Figure 5 It is a side sectional view of the partial position of the support cylinder and the adjusting ring of the present invention;

[0036] Figure 6 This is the front sectional view of the local position of the support cylinder and the adjusting ring of the present invention;

[0037] Figure 7 This is the side sectional view of the local position of the support cylinder and the arc-shaped plate of the present invention;

[0038] Figure 8 For the present invention Figure 7 The enlarged view of the structure at position B in the present invention;

[0039] Figure 9 This is the side sectional view of the local position of the arc-shaped plate and the arc-shaped grinding plate of the present invention;

[0040] Figure 10 This is the left sectional view of the local position of the arc-shaped plate and the arc-shaped grinding plate of the present invention;

[0041] Figure 11 This is the cross-sectional view of the piston cylinder and the piston rod of the present invention;

[0042] Figure 12 This is the side sectional view of the local position of the U-shaped sliding sleeve and the helical tooth plate of the present invention.

[0043] In the figure: 1. Base; 2. Water storage tank; 3. Support ring frame; 4. Support cylinder; 5. Feeding transmission mechanism; 501. Conveyor support; 502. Concave guide wheel; 503. Shaft rod; 504. Convex guide wheel; 505. Motor; 506. Guide rod; 507. Guide sleeve; 508. Transmission rod; 509. Bevel gear; 510. Reciprocating tooth sleeve; 511. Threaded sleeve; 512. Circular gear; 6. Transmission ring; 7. Tooth ring; 8. Adjusting mechanism; 801. Through groove; 802. Adjusting ring; 803. Arc-shaped connecting groove; 804. Connecting rod; 805. Arc-shaped plate; 806. Slide groove; 807. Rectangular groove; 808. X-shaped hinge rod; 809. Compression spring; 810. Arc-shaped grinding plate; 811. Thrust rod; 812. Return spring; 813. Pad; 814. Ratchet plate; 815. Pressing rod; 816. Arc-shaped linkage groove; 817. Connecting pin; 818. Cross bar; 819. U-shaped sliding sleeve; 820. Inclined groove; 821. Slide pin; 822. Groove; 823. Helical tooth plate; 824. Short spring; 825. Piston cylinder; 826. Piston rod; 827. Nozzle; 828. Pressure ring; 9. Arc-shaped convex plate. Detailed implementation manners

[0044] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0045] Please refer to Figures 1 to 12 , the present invention provides a technical solution: an automatic feeding and grinding device for crystal bar processing, including a base 1. A water storage tank 2 is provided at the top of the base 1. Symmetrically fixed to the inner top surface of the water storage tank 2 are support ring frames 3. A support cylinder 4 is rotatably connected between the two support ring frames 3. A feeding transmission mechanism 5 is movably connected between both sides of the support cylinder 4 and the top of the base 1. It should be noted that: circulating water is provided inside the water storage tank 2. Water holes are provided on the surface of the support cylinder 4, so that the water discharged during the dust reduction process inside the support cylinder 4 leaks into the inside of the water storage tank 2. A protective cover matching the support cylinder 4 is provided at the top of the base 1.

[0046] A transmission ring 6 is movably sleeved in the middle of the support cylinder 4. The lower part of the transmission ring 6 is movably connected to the middle of the feeding transmission mechanism 5. Tooth rings 7 are fixedly sleeved on both sides of the support cylinder 4. The side wall of the tooth ring 7 is movably connected to the surface of the feeding transmission mechanism 5. An adjusting mechanism 8 is movably connected inside the support cylinder 4. Arc-shaped convex plates 9 matching the adjusting mechanism 8 are symmetrically and fixedly connected to the inner top surface of the water storage tank 2.

[0047] The feeding transmission mechanism 5 includes conveying brackets 501. There are two conveying brackets 501, which are symmetrically and fixedly connected to the top of the base 1. Concave guide wheels 502 are rotatably connected to the upper parts of the conveying brackets 501. Shaft rods 503 are rotatably connected to the lower parts of the conveying brackets 501. A convex guide wheel 504 matching the concave guide wheel 502 is fixedly connected to the middle of the shaft rod 503. A motor 505 is fixedly connected to the side wall of the left conveying bracket 501. The rotating end of the motor 505 is fixedly connected to the end of the corresponding shaft rod 503. It should be noted that: the two conveying brackets 501 are respectively arranged on the left and right sides of the top of the base 1. Through the cooperation of the concave guide wheel 502 and the convex guide wheel 504 for transmission, the crystal bar can be automatically conveyed from the left end to the right end of the support cylinder 4.

[0048] A guide rod 506 is fixedly connected to the front side of the top of the base 1. A guide sleeve 507 is slidably connected to the surface of the guide rod 506. The side wall of the guide sleeve 507 is fixedly connected to the surface of the transmission ring 6. A transmission rod 508 is rotatably connected to the rear side of the top of the base 1. Bevel gears 509 are fixedly sleeved at both ends of the transmission rod 508 and the ends of the adjacent shaft rods 503. The adjacent two bevel gears 509 are engaged for transmission. A reciprocating tooth sleeve 510 is fixedly sleeved in the middle of the transmission rod 508. A threaded sleeve 511 is threadedly connected to the surface of the reciprocating tooth sleeve 510. The side wall of the threaded sleeve 511 is fixedly connected to the surface of the transmission ring 6. It should be noted that: a reciprocating tooth groove is provided on the surface of the reciprocating tooth sleeve 510, and this tooth groove is consistent with the tooth groove of the reciprocating screw. Through the cooperation of the reciprocating tooth sleeve 510 and the threaded sleeve 511, when the transmission rod 508 rotates, it drives the transmission ring 6 to reciprocate in the middle of the support cylinder 4.

[0049] On both sides of the transmission rod 508, circular gears 512 are fixedly sleeved. The two circular gears 512 correspond to the two toothed rings 7 one by one, and the side wall of the circular gear 512 meshes with the side wall of the toothed ring 7. It should be noted that during the rotation of the transmission rod 508, the support cylinder 4 is driven to rotate through the cooperation of the circular gear 512 and the toothed ring 7, and the surface of the crystal bar is ground by the arc-shaped grinding plate 810 inside the support cylinder 4.

[0050] In this embodiment, as Figures 1 to 12 shown, a rotating rod is rotatably connected to the upper part of the conveying bracket 501. The concave guide wheel 502 is fixedly sleeved in the middle of the rotating rod. Synchronous wheels are fixedly sleeved on the surfaces of the rotating rod and the same-side shaft rod 503, and a synchronous belt is movably connected between the two synchronous wheels.

[0051] In this embodiment, as Figures 1 to 12 shown, main support blocks are symmetrically and fixedly connected to the front side of the top of the base 1. The guide rod 506 is fixedly connected between the two main support blocks. Auxiliary support blocks are symmetrically and fixedly connected to the rear side of the top of the base 1. The transmission rod 508 is rotatably connected between the two auxiliary support blocks.

[0052] In this embodiment, as Figures 1 to 12 shown, the adjusting mechanism 8 includes through grooves 801. There are two through grooves 801, which are respectively opened at both ends of the support cylinder 4. An adjusting ring 802 is rotatably connected inside the through groove 801, and arc-shaped connecting grooves 803 are symmetrically opened on the surface of the adjusting ring 802. It should be noted that a connecting bearing is fixedly connected between the surface of the adjusting ring 802 and the inner wall of the through groove 801 to ensure the stable rotation of the adjusting ring 802 inside the through groove 801; the arc-shaped connecting grooves 803 on the left adjusting ring 802 and the arc-shaped connecting grooves 803 on the right adjusting ring 802 are arranged in a 90-degree offset manner, so that when the two arc-shaped plates 805 at the position of the left adjusting ring 802 move away from each other, the two arc-shaped plates 805 at the position of the right adjusting ring 802 move towards each other; every two arc-shaped plates 805 form a group, and the two groups of arc-shaped plates 805 correspond to the two adjusting rings 802 one by one, so that the two groups of arc-shaped plates 805 can switch the grinding state in a staggered manner.

[0053] A connecting rod 804 is slidably connected inside the arc-shaped connecting groove 803. One end of the connecting rod 804 extends into the support cylinder 4 and is fixedly connected with an arc-shaped plate 805. Four sliding grooves 806 are equidistantly arranged along the circumference on the inner wall of the support cylinder 4. The four sliding grooves 806 correspond to the four arc-shaped plates 805 one by one. A rectangular groove 807 matching the sliding groove 806 is opened on one side of the arc-shaped plate 805 close to the inner wall of the support cylinder 4. An X-shaped hinge rod 808 is movably connected between the inner walls of the sliding groove 806 and the corresponding rectangular groove 807. It should be noted that when the adjusting ring 802 rotates, during the sliding cooperation between the arc-shaped connecting groove 803 on the surface of the adjusting ring 802 and the connecting rod 804, the arc-shaped plate 805 is driven to move. At this time, under the action of the X-shaped hinge rod 808, the stability during the relative movement or the opposite movement of the two opposite arc-shaped plates 805 is ensured.

[0054] Compression springs 809 are fixedly connected to the opposite sides of the four arc-shaped plates 805. One end of the compression spring 809 is fixedly connected with an arc-shaped grinding plate 810. The surface of the arc-shaped plate 805 is symmetrically slidably connected with a push rod 811. One end of the push rod 811 is lapped on the surface of the corresponding arc-shaped grinding plate 810. A return spring 812 is movably connected between the other end of the push rod 811 and the surface of the arc-shaped plate 805. It should be noted that three compression springs 809 are arranged on the surface of each arc-shaped plate 805, and the three compression springs 809 are equidistantly arranged to ensure the stability of the connection between the arc-shaped plate 805 and the arc-shaped grinding plate 810. When the arc-shaped plate 805 moves towards the inner wall of the support cylinder 4, the push rod 811 on the surface of the arc-shaped plate 805 is pressed, so that the other end of the push rod 811 presses against the side wall position of the arc-shaped grinding plate 810. At this time, the arc-shaped grinding plate 810 is in an inclined state, which is convenient for cleaning the surface of the arc-shaped grinding plate 810 that has been removed from the grinding state.

[0055] The outer wall of the support cylinder 4 is symmetrically fixedly connected with pads 813 that cooperate with the transmission ring 6. The surface of the pad 813 is symmetrically slidably connected with a ratchet plate 814. The middle of the ratchet plate 814 is fixedly connected with a pressing rod 815 that cooperates with the adjusting ring 802. One end of the pressing rod 815 is movably inserted through the side wall of the support cylinder 4. Arc-shaped linkage grooves 816 are symmetrically opened on the outer ring of the adjusting ring 802. The four pressing rods 815 correspond to the four arc-shaped linkage grooves 816 one by one. One end of the pressing rod 815 is fixedly connected with a connecting pin 817, and the connecting pin 817 is slidably connected inside the corresponding arc-shaped linkage groove 816. It should be noted that the inner diameter of the transmission ring 6 is set to 1.2 times the distance between the two pads 813 to avoid interference when the support cylinder 4 drives the pads 813 to rotate inside the inner ring of the transmission ring 6. The arc-shaped linkage groove 816 is inclined on the surface of the adjusting ring 802. When the pressing rod 815 is pressed and drives the connecting pin 817 to translate on the side wall of the support cylinder 4, the connecting pin 817 cooperates with the inclined arc-shaped linkage groove 816 to slide, so that the adjusting ring 802 rotates inside the support cylinder 4.

[0056] The surface of the backing plate 813 is symmetrically and slidably connected with a cross bar 818 that cooperates with the adjusting ring 802. Both sides of the backing plate 813 are slidably connected with U-shaped sliding sleeves 819. The two U-shaped sliding sleeves 819 correspond to the two ratchet plates 814 one by one, and the two cross bars 818 correspond to the two U-shaped sliding sleeves 819 one by one. An inclined slot 820 is formed in the middle of the U-shaped sliding sleeve 819. One end of the cross bar 818 extends into the corresponding U-shaped sliding sleeve 819 and is fixedly connected with a sliding pin 821. One end of the sliding pin 821 is slidably connected inside the corresponding inclined slot 820. A groove 822 is formed on one side of the U-shaped sliding sleeve 819 close to the ratchet plate 814. An inclined tooth plate 823 is slidably connected inside the groove 822. A short spring 824 is fixedly connected between one end of the inclined tooth plate 823 and the inner wall of the groove 822. The other end of the inclined tooth plate 823 meshes with the surface of the corresponding ratchet plate 814. It should be noted that: the tooth direction of the teeth on the surface of the ratchet plate 814 is opposite to that of the adjacent inclined tooth plate 823. When the transmission ring 6 moves to the right and presses against the right pressing rod 815, the right pressing rod 815 drives the ratchet plate 814 to mesh and engage with the corresponding inclined tooth plate 823. After the ratchet plate 814 and the inclined tooth plate 823 are meshed and engaged, the right pressing rod 815 cannot drive the ratchet plate 814 to move in the reverse direction, realizing self-locking; at the same time, the transmission ring 6 moving to the right will press against the end of the corresponding cross bar 818. At this time, when the cross bar 818 moves to the right, it drives the left U-shaped sliding sleeve 819 to slide on the surface of the backing plate 813, so that the inclined tooth plate 823 inside the left U-shaped sliding sleeve 819 cooperates with the left ratchet plate 814 and releases the locked state; conversely, after the transmission ring 6 moves to the left, the left ratchet plate 814 cooperates and engages with the corresponding inclined tooth plate 823, while the right ratchet plate 814 and the inclined tooth plate 823 can release the locked state.

[0057] The outer wall of the support cylinder 4 is fixedly connected with piston cylinders 825. There are eight piston cylinders 825, and every four piston cylinders 825 are set as a group. The two groups of piston cylinders 825 are symmetrically arranged on both sides of the support cylinder 4. The two groups of piston cylinders 825 correspond to two arc-shaped convex plates 9 one by one. A piston rod 826 that cooperates with the arc-shaped convex plate 9 is slidably connected to the end of the piston cylinder 825 away from the support cylinder 4. One end of the piston cylinder 825 extending into the support cylinder 4 is fixedly connected with a spray head 827. It should be noted that: a piston spring is fixedly connected between the inner wall of the piston cylinder 825 and the end of the piston rod 826. When the support cylinder 4 rotates with the piston cylinder 825, after the piston rod 826 at the end of the piston cylinder 825 rotates into the water storage tank 2, the piston rod 826 is pressed by the arc-shaped convex plate 9. At this time, the piston rod 826 moves into the piston cylinder 825 and pumps the water in the water storage tank 2 through a water suction hose. As the support cylinder 4 continues to rotate, after the piston rod 826 is disengaged from the arc-shaped convex plate 9, the piston spring brings the piston rod 826 back to its original position. At this time, the water in the piston cylinder 825 enters the spray head 827 from the drain pipe position and is sprayed out; the water of the spray head 827 is arranged obliquely facing the arc-shaped grinding plate 810, so that the water sprayed by the spray head 827 can be effectively sprayed on the surface of the arc-shaped grinding plate 810 in an inclined state.

[0058] Spring telescopic rods are fixedly connected to both sides of the transmission ring 6. One end of the spring telescopic rod is fixedly connected with a pressing ring 828 that cooperates with the cross bar 818 and the pressing rod 815. It should be noted that: eight spring piston rods 826 are equidistantly installed along the circumference between the side wall of the pressing ring 828 and the side wall of the transmission ring 6 to ensure the stability of the pressing ring 828 when pressing the cross bar 818 and the pressing rod 815; cushion blocks are fixedly connected to one ends of the cross bar 818 and the pressing rod 815 close to the pressing ring 828 to facilitate the pressing ring 828 to press the cross bar 818 and the pressing rod 815 to move horizontally.

[0059] In this embodiment, as Figures 1 to 12 shown, sliding rods are fixedly connected to the inner walls of the sliding groove 806 and the rectangular groove 807. Hinge blocks are symmetrically slidably connected to the surfaces of the sliding rods. The four ends of the X-shaped hinge rod 808 are respectively hinged to the ends of the four hinge blocks. A return spring is movably sleeved on the middle of the sliding rod. It should be noted that: when the ratchet plate 814 is disengaged from the corresponding helical plate 823, the corresponding arc-shaped plate 805 can drive the X-shaped hinge rod 808 to move back through the return spring, and the X-shaped hinge rod 808 deforms and drives the hinged arc-shaped plate 805 to move towards the inner wall direction of the support cylinder 4.

[0060] In this embodiment, as Figures 1 to 12As shown, there are mounting blocks symmetrically and slidably connected to the middle of the cross bar 818. The side wall of the mounting block is fixedly connected to the side wall of the backing plate 813. A retaining ring is fixedly sleeved on the surface of the cross bar 818. A restoring spring is movably connected between the side wall of the retaining ring and the side wall of the corresponding mounting block. It should be noted that: after the pressing ring 828 releases the pressing on the end of the cross bar 818, the restoring spring and the retaining ring cooperate to drive the cross bar 818 to move back to its original position, so that the U-shaped sliding sleeve 819 movably connected to the cross bar 818 drives the inclined tooth plate 823 to return to its original position.

[0061] In this embodiment, as Figures 1 to 12 shown, one end of the piston cylinder 825 close to the piston rod 826 is fixedly connected with a water suction hose. A drain pipe is fixedly connected to the side wall of the piston cylinder 825. One end of the drain pipe is fixedly connected to the surface of the spray head 827. It should be noted that: the drain pipe conveys the water pumped inside the piston cylinder 825 to the position of the spray head 827, and a filter screen is provided at the end of the water suction hose.

[0062] In this embodiment, as Figures 1 to 12 shown, a method for using an automatic feeding and grinding device for crystal bar processing includes the following steps:

[0063] S1. During use, first start the motor 505 to drive the corresponding shaft 503 to rotate, so that the bevel gear 509 on the shaft 503 cooperates with the bevel gear 509 on the transmission rod 508 to drive the shaft 503 on the right side of the base 1 to rotate synchronously. At the same time, the synchronous pulley on the shaft 503 and the synchronous pulley and synchronous belt on the corresponding conveying bracket 501 cooperate to drive, so that the convex guide wheel 504 and the concave guide wheel 502 automatically convey the crystal bar from the left end to the right end of the support cylinder 4. At this time, the rotating transmission rod 508 meshes with the corresponding toothed ring 7 through the circular gear 512, driving the support cylinder 4 to rotate between the two support ring frames 3, and the arc-shaped grinding plates 810 in a relatively fitting state inside the support cylinder 4 grind the crystal bar.

[0064] S2. During the rotation of the support cylinder 4, since the reciprocating tooth sleeve 510 on the surface of the transmission rod 508 cooperates with the threaded sleeve 511 to drive the transmission ring 6 to reciprocate in the middle of the support cylinder 4. When the transmission ring 6 moves from left to right, the pressure ring 828 on the right side of the transmission ring 6 presses against the end position of the corresponding pressing rod 815, causing the pressing rod 815 to drive the ratchet plate 814 to move to the right. At this time, during the sliding cooperation between the right ratchet plate 814 and the helical tooth plate 823 on the surface of the corresponding U-shaped sliding sleeve 819, it automatically performs one-way self-locking. During the process of the pressing rod 815 moving to the right, it slides in cooperation with the arc-shaped linkage groove 816 on the surface of the same-side adjusting ring 802 through the connecting pin 817, causing the adjusting ring 802 to rotate inside the support cylinder 4. The rotation of the adjusting ring 802 slides in cooperation with the connecting rod 804 through the arc-shaped connecting groove 803, driving the two connecting rods 804 to move relatively, so that the connecting rods 804 drive the corresponding arc-shaped plates 805 and arc-shaped grinding plates 810 to move relatively and fit on the surface of the transported crystal rod for grinding operations;

[0065] S3. At the same time, the pressure ring 828 moving to the right presses against the end position of the cross bar 818 at the lower right part of the backing plate 813, causing the cross bar 818 at the lower part of the backing plate 813 to move to the right. During the sliding cooperation between the inclined groove 820 on the surface of the U-shaped sliding sleeve 819 and the sliding pin 821 at the end of the cross bar 818, the U-shaped sliding sleeve 819 on the right side of the backing plate 813 moves downward and drives the helical tooth plate 823 to disengage from the corresponding ratchet plate 814. At this time, the pressing rod 815 on the ratchet plate 814 is released from the restriction state with the left corresponding adjusting ring 802, connecting rod 804, and arc-shaped plate 805. Then, the X-shaped articulated rod 808 moving in the reset direction drives the arc-shaped plate 805 and the corresponding arc-shaped grinding plate 810 to move towards the inner wall of the support cylinder 4. Since every two arc-shaped plates 805 form a group, and the two groups of arc-shaped plates 805 correspond to the two adjusting rings 802 one by one, the two groups of arc-shaped plates 805 can automatically switch positions for grinding;

[0066] S4. When the arc-shaped plate 805 drives the arc-shaped grinding plate 810 in the state of releasing the grinding to move, the arc-shaped plate 805 moving towards the inner wall of the support cylinder 4 drives the ejector rod 811 to press against the inner wall of the support cylinder 4, causing the other end of the pressed ejector rod 811 to press against the surface of the corresponding arc-shaped grinding plate 810. At this time, the arc-shaped grinding plate 810 is inclined on the surface of the arc-shaped plate 805;

[0067] S5. During the rotation of the support cylinder 4, the piston rod 826 on the piston cylinder 825 periodically contacts the arc-shaped convex plate 9 inside the water storage tank 2. During the compression of the piston rod 826, the water inside the water storage tank 2 is pumped into the drain pipe and sprayed out at the position of the nozzle 827 by the water suction hose at the end of the piston cylinder 825. While the water sprayed out by the nozzle 827 dusts the crystal powder generated during the grinding process, the sprayed water flushes the surface of the inclined arc-shaped grinding plate 810 and rinses the surface of the arc-shaped grinding plate 810 that has stopped grinding after switching.

[0068] The above shows and describes the basic principles, main features and advantages of the present invention. Technical staff in this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic feeding and grinding device for crystal bar processing, comprising a base (1), characterized in that: A water storage tank (2) is provided at the top of the base (1). Symmetrically and fixedly connected to the inner top surface of the water storage tank (2) are support ring frames (3). A support cylinder (4) is rotatably connected between the two support ring frames (3). A feeding transmission mechanism (5) is movably connected between the two sides of the support cylinder (4) and the top of the base (1). A transmission ring (6) is movably sleeved in the middle of the support cylinder (4). The lower part of the transmission ring (6) is movably connected to the middle of the feeding transmission mechanism (5). Tooth rings (7) are fixedly sleeved on both sides of the support cylinder (4). The side wall of the tooth ring (7) is movably connected to the surface of the feeding transmission mechanism (5). An adjusting mechanism (8) is movably connected inside the support cylinder (4). Symmetrically and fixedly connected to the inner top surface of the water storage tank (2) are arc-shaped convex plates (9) that cooperate with the adjusting mechanism (8). The feeding transmission mechanism (5) includes conveying brackets (501). There are two conveying brackets (501), which are symmetrically and fixedly connected to the top of the base (1). A concave guide wheel (502) is rotatably connected to the upper part of the conveying bracket (501). A shaft rod (503) is rotatably connected to the lower part of the conveying bracket (501). A convex guide wheel (504) that cooperates with the concave guide wheel (502) is fixedly connected to the middle of the shaft rod (503). A motor (505) is fixedly connected to the side wall of the left conveying bracket (501). The rotating end of the motor (505) is fixedly connected to the end of the corresponding shaft rod (503). A guide rod (506) is fixedly connected to the front side of the top of the base (1). A guide sleeve (507) is slidably connected to the surface of the guide rod (506). The side wall of the guide sleeve (507) is fixedly connected to the surface of the transmission ring (6). A transmission rod (508) is rotatably connected to the rear side of the top of the base (1). Bevel gears (509) are fixedly sleeved at both ends of the transmission rod (508) and the ends of the adjacent shaft rods (503). The adjacent two bevel gears (509) are engaged in transmission. A reciprocating tooth sleeve (510) is fixedly sleeved in the middle of the transmission rod (508). A threaded sleeve (511) is threadedly connected to the surface of the reciprocating tooth sleeve (510). The side wall of the threaded sleeve (511) is fixedly connected to the surface of the transmission ring (6). Circular gears (512) are fixedly sleeved on both sides of the transmission rod (508). The two circular gears (512) correspond to the two tooth rings (7) one by one. The side wall of the circular gear (512) is engaged with the side wall of the tooth ring (7). The outer wall of the support cylinder (4) is fixedly connected with a piston cylinder (825). There are eight piston cylinders (825), and every four piston cylinders (825) are set as a group. The two groups of piston cylinders (825) are symmetrically arranged on both sides of the support cylinder (4). The two groups of piston cylinders (825) correspond to the two arc-shaped convex plates (9) one by one. A piston rod (826) that cooperates with the arc-shaped convex plate (9) is slidably connected to the end of the piston cylinder (825) away from the support cylinder (4). The end of the piston cylinder (825) extending into the support cylinder (4) is fixedly connected with a spray head (827).

2. The automatic feeding and grinding device for crystal bar processing according to claim 1, wherein: A rotating rod is rotatably connected to the upper part of the conveying support (501). The concave guide wheel (502) is fixedly sleeved in the middle of the rotating rod. Synchronous wheels are fixedly sleeved on the surfaces of the rotating rod and the shaft rod (503) on the same side, and a synchronous belt is movably connected between the two synchronous wheels.

3. An automatic feeding and grinding device for crystal bar processing according to claim 2, characterized in that: Main support blocks are symmetrically and fixedly connected to the front side of the top of the base (1). The guide rod (506) is fixedly connected between the two main support blocks. Secondary support blocks are symmetrically and fixedly connected to the rear side of the top of the base (1). The transmission rod (508) is rotatably connected between the two secondary support blocks.

4. The automatic feeding and grinding device for crystal bar processing according to claim 3, characterized in that: The adjusting mechanism (8) includes through grooves (801). There are two through grooves (801), and the two through grooves (801) are respectively opened at both ends of the support cylinder (4). An adjusting ring (802) is rotatably connected inside the through groove (801). Arc-shaped connecting grooves (803) are symmetrically opened on the surface of the adjusting ring (802); A connecting rod (804) is slidably connected inside the arc-shaped connecting groove (803). One end of the connecting rod (804) extends into the support cylinder (4) and is fixedly connected with an arc-shaped plate (805). Four sliding grooves (806) are equidistantly arranged along the circumference on the inner wall of the support cylinder (4). The four sliding grooves (806) correspond to the four arc-shaped plates (805) one by one. A rectangular groove (807) that cooperates with the sliding groove (806) is opened on the side of the arc-shaped plate (805) close to the inner wall of the support cylinder (4). An X-shaped hinge rod (808) is movably connected between the inner walls of the sliding groove (806) and the corresponding rectangular groove (807); Compression springs (809) are fixedly connected to the opposite sides of the four arc-shaped plates (805). One end of the compression spring (809) is fixedly connected with an arc-shaped grinding plate (810). Thumb rods (811) are symmetrically and slidably connected to the surface of the arc-shaped plate (805). One end of the thumb rod (811) is lapped on the surface of the corresponding arc-shaped grinding plate (810). A return spring (812) is movably connected between the other end of the thumb rod (811) and the surface of the arc-shaped plate (805); The outer wall of the support cylinder (4) is symmetrically and fixedly connected with backing plates (813) that cooperate with the transmission ring (6). The surfaces of the backing plates (813) are symmetrically and slidably connected with ratchet plates (814). The middle of the ratchet plates (814) is fixedly connected with pressing rods (815) that cooperate with the adjusting ring (802). One end of the pressing rod (815) is movably inserted through the side wall of the support cylinder (4). The outer ring of the adjusting ring (802) is symmetrically provided with arc-shaped linkage grooves (816). The four pressing rods (815) correspond to the four arc-shaped linkage grooves (816) one by one. One end of the pressing rod (815) is fixedly connected with a connecting pin (817), and the connecting pin (817) is slidably connected inside the corresponding arc-shaped linkage groove (816); The surfaces of the backing plates (813) are symmetrically and slidably connected with cross bars (818) that cooperate with the adjusting ring (802). Both sides of the backing plates (813) are slidably connected with U-shaped sliding sleeves (819). The two U-shaped sliding sleeves (819) correspond to the two ratchet plates (814) one by one. The two cross bars (818) correspond to the two U-shaped sliding sleeves (819) one by one. The middle of the U-shaped sliding sleeve (819) is provided with an inclined groove (820). One end of the cross bar (818) extends into the corresponding U-shaped sliding sleeve (819) and is fixedly connected with a sliding pin (821). One end of the sliding pin (821) is slidably connected inside the corresponding inclined groove (820). The side of the U-shaped sliding sleeve (819) close to the ratchet plate (814) is provided with a groove (822). A skew tooth plate (823) is slidably connected inside the groove (822). A short spring (824) is fixedly connected between one end of the skew tooth plate (823) and the inner wall of the groove (822). The other end of the skew tooth plate (823) meshes with the surface of the corresponding ratchet plate (814); Both sides of the transmission ring (6) are fixedly connected with spring telescopic rods. One end of the spring telescopic rod is fixedly connected with a pressing ring (828) that cooperates with the cross bar (818) and the pressing rod (815).

5. The automatic feeding and grinding device for crystal bar processing according to claim 4, wherein: Sliding rods are fixedly connected to the inner walls of the sliding groove (806) and the rectangular groove (807). Hinge blocks are symmetrically and slidably connected to the surfaces of the sliding rods. The four ends of the X-shaped hinge rod (808) are respectively hinged to the ends of the four hinge blocks. A return spring is movably sleeved on the middle of the sliding rod.

6. The automatic feeding and grinding device for crystal bar processing according to claim 5, wherein: Mounting blocks are symmetrically and slidably connected to the middle of the cross bar (818). The side walls of the mounting blocks are fixedly connected to the side walls of the backing plates (813). A retaining ring is fixedly sleeved on the surface of the cross bar (818). A restoring spring is movably connected between the side wall of the retaining ring and the side wall of the corresponding mounting block.

7. An automatic feeding and grinding device for crystal bar processing according to claim 6, characterized in that: One end of the piston cylinder (825) close to the piston rod (826) is fixedly connected with a water suction hose. A drain pipe is fixedly connected to the side wall of the piston cylinder (825). One end of the drain pipe is fixedly connected to the surface of the spray head (827).

8. The usage method of a crystal rod processing automatic feeding and grinding device according to claim 7 includes the following steps: S1. During use, first start the motor (505), which drives the corresponding shaft rod (503) to rotate, causing the bevel gear (509) on the shaft rod (503) to engage with the bevel gear (509) on the transmission rod (508), driving the shaft rod (503) on the right side of the base (1) to rotate synchronously. At the same time, the synchronous pulley on the shaft rod (503) engages with the synchronous pulley and synchronous belt on the corresponding conveying bracket (501) for transmission, enabling the convex guide wheel (504) and the concave guide wheel (502) to automatically convey the crystal rod from the left end to the right end of the support cylinder (4). At this time, the rotating transmission rod (508) engages with the corresponding toothed ring (7) through the circular gear (512), driving the support cylinder (4) to rotate between the two support ring frames (3), and the arc-shaped grinding plates (810) in a relatively fitting state inside the support cylinder (4) perform grinding processing on the crystal rod; S2. During the rotation of the support cylinder (4), since the reciprocating tooth sleeve (510) on the surface of the transmission rod (508) engages with the threaded sleeve (511) to drive the transmission ring (6) to reciprocate in the middle of the support cylinder (4). When the transmission ring (6) moves from left to right, the pressure ring (828) on the right side of the transmission ring (6) presses against the end position of the corresponding pressing rod (815), causing the pressing rod (815) to drive the ratchet plate (814) to move to the right. At this time, the right ratchet plate (814) automatically performs one-way self-locking during the sliding process in cooperation with the helical tooth plate (823) on the surface of the corresponding U-shaped sliding sleeve (819). And when the pressing rod (815) moves to the right, it slides in cooperation with the arc-shaped linkage groove (816) on the surface of the same-side adjusting ring (802) through the connecting pin (817), causing the adjusting ring (802) to rotate inside the support cylinder (4). The rotating adjusting ring (802) slides in cooperation with the connecting rod (804) through the arc-shaped connecting groove (803), driving the two connecting rods (804) to move relatively, causing the connecting rods (804) to drive the corresponding arc-shaped plates (805) and arc-shaped grinding plates (810) to move relatively and fit on the surface of the conveyed crystal rod for grinding operation; S3. At the same time, the pressing ring (828) moving to the right presses against the end of the cross bar (818) at the lower right position of the backing plate (813), causing the cross bar (818) at the lower part of the backing plate (813) to move to the right. During the sliding cooperation between the inclined slot (820) on the surface of the U-shaped sliding sleeve (819) and the sliding pin (821) at the end of the cross bar (818), the U-shaped sliding sleeve (819) on the right side of the backing plate (813) moves downward and drives the inclined tooth plate (823) to disengage from the corresponding ratchet plate (814). At this time, the pressing rod (815) on the ratchet plate (814) releases the restricted state with the corresponding adjusting ring (802), connecting rod (804), and arc plate (805) on the left side. Then, the X-shaped articulated rod (808) moving for reset drives the arc plate (805) and the corresponding arc grinding plate (810) to move towards the inner wall of the support cylinder (4). Since every two arc plates (805) form a group, and the two groups of arc plates (805) correspond to the two adjusting rings (802) one by one, the two groups of arc plates (805) can automatically switch positions for grinding; S4. When the arc plate (805) drives the arc grinding plate (810) in the non-grinding state during movement, the arc plate (805) moving towards the inner wall of the support cylinder (4) drives the ejector rod (811) to press against the inner wall of the support cylinder (4), causing the other end of the pressed ejector rod (811) to press against the surface of the corresponding arc grinding plate (810). At this time, the arc grinding plate (810) is in an inclined state on the surface of the arc plate (805); S5. Since during the rotation of the support cylinder (4), the piston rod (826) on the piston cylinder (825) periodically contacts the arc-shaped convex plate (9) inside the water storage tank (2). During the process of the piston rod (826) being pressed, the water inside the water storage tank (2) is pumped into the drain pipe and the nozzle (827) by the water pumping hose at the end of the piston cylinder (825) and sprayed out. While the water sprayed out by the nozzle (827) dusts the crystal powder generated during the grinding process, the sprayed water flushes the surface of the inclined arc grinding plate (810), and flushes the surface of the arc grinding plate (810) that has stopped grinding after switching.

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