Polishing device for granite and polishing method thereof

Abstract

The invention provides a polishing device for granite and a polishing method of the polishing device, and relates to the field of granite polishing. A polishing device for granite comprises a polishing conveying frame, a knocking mechanism is arranged at the feeding polishing position on one side of a polishing head, meanwhile, a telescopic box used for knocking operation is oppositely arranged below the knocking mechanism, and the knocking mechanism is composed of a sleeve and a rack column which is arranged above the sleeve and used for telescopic displacement. One side of the rack column is meshed with a half gear capable of driving the rack column to ascend and descend, a first spring is arranged between the top of the rack column and the top of an inner cavity of the telescopic box, and when the surface of the granite plate needs to be polished, after the first gear rotates, the sleeve can knock the surface of the granite plate through driving of a second gear, a third crown-shaped gear and a pawl; and then a stone plate to be fractured at the edge of the surface of the granite plate can be accelerated to be fractured, so that certain damage caused by the fact that a grinding head rotating at a high speed drives stone plate fragments to be fractured to splash in the grinding process is prevented.

Description

Technical Field

[0001] The present application relates to the technical field of granite grinding, and in particular to a grinding device and a grinding method for granite. Background Art

[0002] Granite is an intrusive rock among acidic magmatic rocks and is one of the commonly used decorative stones. During the processing of granite slabs, the stone needs to be polished to improve the glossiness and flatness of the slab surface. With the high-speed rotation of the polishing head, the surface of the granite slab can be polished.

[0003] In the prior art (the publication number is CN112025446B, and the patent name is a patent application for an automatic grinder for granite), the automatic grinder for granite includes a frame and a conveying mechanism, a grinding mechanism and a cleaning device arranged on the frame. The automatic grinder for granite can replace manual work to turn the granite while feeding, saving manpower. In the process of implementing the technical solution, it is found that the prior art has at least the following problems.

[0004] In the field of stone processing, especially when dealing with hard materials such as granite, safety and processing efficiency have always been the focus of the industry. In the traditional granite slab processing process, the surface of the granite slab is directly treated by a high-speed rotating grinding head, which often faces a significant safety hazard: tiny cracks or uneven stress distribution inside the stone may cause sudden breakage during the grinding process, causing fragments to splash, which not only damages the quality of the processed parts, but also seriously threatens the safety of the operators. Therefore, in the granite grinding process, how to use pretreatment technology to identify and induce the potential fracture areas in the stone to fracture first has become an important preventive measure. Summary of the invention

[0005] The present application aims to solve at least one of the technical problems in the prior art that tiny cracks or uneven stress distribution inside the stone may cause sudden breakage during the grinding process, thereby causing fragments to splash. To this end, the present application proposes a grinding device for granite and a grinding method thereof.

[0006] According to an embodiment of the present application, a grinding device for granite includes a grinding conveyor frame and a conveyor belt provided on the grinding conveyor frame, wherein the conveyor belts are arranged in a plurality of groups in parallel and at intervals. A knocking mechanism is provided at the feeding and grinding position on one side of the grinding head, and a telescopic box for knocking operation is relatively provided below the knocking mechanism. The knocking mechanism is composed of a sleeve and a rack column above the sleeve for telescopic displacement. A half gear that can drive its lifting and lowering displacement is engaged on one side of the rack column, and a spring is provided between the top of the rack column and the top of the inner cavity of the telescopic box.

[0007] Furthermore, support blocks are respectively provided on both sides of the grinding and conveying frame, and a threaded rod is extended upward from the top of the support block. A lifting plate is also provided above the two opposite support blocks, and the two sides above the lifting plate are penetrated by the threaded rod. A rotatable worm gear is provided at the penetration point, and a threaded hole opened downward from the top of the worm gear is threadedly connected to the threaded rod.

[0008] Furthermore, a worm is meshed on one side of the worm wheel, and the rotation of the worm is driven by a driving motor. Rotating frames are respectively arranged on both sides of the bottom surface of the lifting plate. A rotatable reciprocating screw is arranged between the two rotating frames, and a servo motor is arranged at one end of the reciprocating screw.

[0009] Furthermore, a sliding block capable of sliding is provided inside the sliding groove opened at the bottom of the lifting plate, and a telescopic box is fixed at the end of the sliding block, and a sliding sleeve provided on the top of the telescopic box is penetrated by a reciprocating screw rod.

[0010] Furthermore, a rack is provided on one side of the rotating frame, and the rack passes through a telescopic box that can be moved back and forth. A gear 1 meshing with the rack is provided on one side of the interior of the telescopic box, and a crown gear 1 is fixed downwardly extending below the gear, and a gear 2 is meshed on one side of the crown gear 1, and a crown gear 3 opposite to the crown gear 1 is meshed below the gear 2.

[0011] Furthermore, a rotatable shaft 1 is provided in the through hole opened in the surface of the crown gear 3, and ratchets respectively fitted to the surfaces of the crown gear 1 and the crown gear 3 are provided on the outer circumferential surface of the shaft 1, and pawls capable of displacement and rebound to one side are respectively provided on the opposite surfaces of the crown gear 1 and the crown gear 3, and a spring 3 capable of pushing the pawl to rebound is fixed on one side of the pawl.

[0012] Furthermore, a gear three is fixed below the rotating shaft one, a crown gear two is meshed on one side of the gear three, and a half gear that can rotate with the crown gear two is also provided on the other side of the crown gear two. A sleeve is sleeved on the outer circumference of the telescopic rod provided at the end of the rack column, and a spring two is provided between the inside of the sleeve and the end of the telescopic rod.

[0013] Furthermore, a back plate is provided on one side of the bottom surface of the lifting plate, and an L frame is provided on one side of the back plate surface, and the interior of the L frame is arranged in a hollow structure, a rotating rod is arranged side by side on one side of the reciprocating screw rod, and pulleys three parallel to pulley one are provided at both ends of the rotating rod, and pulley three and pulley one are driven synchronously by belt one.

[0014] Furthermore, a rotatable rotating shaft 2 is penetrated at one end of the L frame, and an eccentric block is also provided in the middle of the rotating shaft 2. Pulley 4 and pulley 2 are respectively provided on the outer circumferences of the rotating shaft 2 and the rotating rod, and belt 2 is sleeved on the outer circumferences of pulley 4 and pulley 2. Vibrating plates are provided on the bottom surface of the L frame, and telescopic columns are respectively provided at the four corner edges of the upper surface of the vibration plate, and one end of the telescopic column extends to the interior of the L frame, and a spring 4 is fixed between the top of the telescopic column and the top wall of the inner cavity of the L frame.

[0015] The method for grinding granite according to the embodiment of the present application comprises the following steps: Step 1: The granite slab is displaced and transported to the bottom of the knocking mechanism through the conveyor belt, and then the servo motor is turned on to continuously knock the surface of the granite slab through the sleeve; Step 2: While the servo motor 1 is running, it drives the rotating rod set on one side. As the rotating rod rotates, the rotating shaft 2 can be continuously rotated at a high speed. After the rotating shaft 2 rotates, vibration can be generated through the eccentric block. Then, after the granite slab passes through, the fragments are vibrated and screened to remove them; Step 3: After the granite plate has been vibrated, the piston rod is used to continuously pressurize the inside of the water tank, and then the solution inside the water tank can continuously impact the surface of the granite plate through the spray hole.

[0016] The beneficial effect of the present application is that when the surface of the granite slab needs to be polished, the granite slab is conveyed toward the polishing head through the conveyor belt, and the servo motor 1 can be operated at this time. As the reciprocating screw rotates, the telescopic box can be reciprocated and moved. After the telescopic box is displaced, the gear 1 can be rotated through the rack. As the gear 1 rotates, it is driven by the gear 2, the crown gear 3 and the ratchet, so that the sleeve can knock on the surface of the granite slab. After the granite slab passes under the sleeve, the reciprocating screw continuously rotates forward and reversely, so that the sleeve can continuously knock back and forth left and right, and then the stone slab that is about to break at the edge of the surface of the granite slab can be accelerated to break, so as to prevent the high-speed rotating polishing head from driving the stone slab to be broken to splash and cause certain damage during polishing. After the surface of the granite plate is struck by the sleeve, the granite plate moves to the bottom of the vibration plate through the conveyor belt. At the same time, when the reciprocating screw is running, the pulley 1 and the belt 1 can accelerate the rotation of the rotating rod, and then the eccentric block generates vibration. Since the vibration plate fits the upper surface of the granite plate, the broken granite plate fragments can be further dropped through the gap between the conveyor belts after the eccentric block rotates and vibrates, preventing the grinding head from rotating and splashing at high speed. Finally, when the second rotating shaft rotates, the crankshafts provided at both ends of the second rotating shaft can rotate together. As the crankshaft rotates, the piston rod can be continuously extended and reciprocated along the inside of the pressurized tube through the connecting rod. When the piston rod is squeezed into the inside of the pressurized tube, the gas inside the pressurized tube can enter the water tank through the one-way valve 1, and then the pressure inside the water tank is increased, and then the solution inside the water tank continuously rushes to the surface of the granite slab through the spray hole. With the impact pressure of the water column, the broken granite slab fragments can be further dropped, and the solution will also wet the surface of the granite slab in advance, so as to facilitate the subsequent grinding head to directly perform grinding processing.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a schematic diagram of the overall three-dimensional structure according to an embodiment of the present application; Figure 2 It is a schematic diagram of the exploded structure of the knocking mechanism and the grinding conveying rack according to an embodiment of the present application; Figure 3 is a schematic diagram of the structure of a grinding and conveying frame according to an embodiment of the present application; Figure 4 is a schematic diagram of the explosion structure of the striking mechanism according to an embodiment of the present application; Figure 5 is a bottom view structural diagram of a striking mechanism according to an embodiment of the present application; Figure 6 is a schematic diagram of the lifting plate according to an embodiment of the present application when viewed from above; Figure 7 is a schematic diagram of a top view of a crown gear 2 according to an embodiment of the present application; Figure 8 is a schematic diagram of the cross-sectional structure along AA according to an embodiment of the present application; Fig. 9 is a schematic diagram of the rotating rod structure according to an embodiment of the present application; Fig.10 is a schematic diagram of the explosion structure of a water tank and an L frame according to an embodiment of the present application; Fig.11 is a schematic diagram of a top view of the reciprocating screw rod according to an embodiment of the present application; Fig.12 is a schematic diagram of the cross-sectional structure along the BB line according to an embodiment of the present application; Fig.13 is a schematic diagram of a top view of a water tank according to an embodiment of the present application; Fig.14 is a schematic diagram of the CC cross-sectional structure according to an embodiment of the present application; Fig.15 Schematic diagram of the nozzle structure according to an embodiment of the present application.

[0020] Icons: 1. Grinding conveyor rack; 11. Conveyor belt; 111. Support plate; 12. Grinding bracket; 13. Mobile rack; 14. Driving mechanism; 15. Grinding head; 2. Knocking mechanism; 21. Support block; 211. Slide; 212. Rotating rack; 213. Back plate; 214. Rack; 22. Threaded rod 1; 23. Worm; 231. Driving motor; 24. Servo motor 1; 241. Reciprocating screw; 242. Pulley 1; 243. Belt 1; 244. Rotating rod; 245. Pulley 2; 246. Pulley 3; 25. Worm gear 1; 251. Threaded hole; 26. Lifting plate; 3. Telescopic box; 31. Sliding block; 32. Sliding sleeve; 33. Gear 1; 331. Crown gear 1; 332 , ratchet; 333, spring three; 334, crown gear three; 335, through hole; 34, gear two; 35, gear three; 36, shaft one; 361, ratchet; 37, crown gear two; 371, half gear; 38, rack column; 381, spring one; 382, ​​telescopic rod; 383, sleeve; 384, spring two; 4, L frame; 41, shaft two; 42, crankshaft; 43, pulley four; 44, belt two; 45, eccentric block; 46, vibration plate; 461, telescopic column; 462, spring four; 5, water tank; 51, blowing plate; 511, spray hole; 52, pressurized pipe; 521, air pipe; 522, one-way valve one; 523, one-way valve two; 53, water cover; 6, piston rod; 61, connecting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0022] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0029] A grinding device for granite and a grinding method thereof according to an embodiment of the present application will be described below with reference to the accompanying drawings.

[0030] like Figure 1-Figure 3According to an embodiment of the present application, a grinding device for granite includes a grinding head 15 for grinding granite, and a driving mechanism 14 capable of driving the grinding head 15 to rotate, and a grinding conveyor frame 1 is relatively arranged below the grinding head 15, and a conveyor belt 11 capable of conveying granite to one side is also arranged on the grinding conveyor frame 1, and the conveyor belt 11 is composed of multiple groups of parallel and spaced arrangements, and a support plate 111 for bearing weight is arranged at the inner ring of the conveyor belt 11, and the granite slab can be conveyed and displaced by the support plate 111 and the conveyor belt 11.

[0031] A grinding bracket 12 is arranged above the grinding conveying rack 1, and a movable rack 13 capable of lateral displacement is also arranged on the grinding bracket 12, and a driving mechanism 14 and a grinding head 15 are relatively arranged on both sides of the movable rack 13. As the movable rack 13 is displaced, the grinding head 15 can grind the surface of the granite slab.

[0032] A striking mechanism 2 is provided at the feeding and grinding position on one side of the grinding head 15 , and a telescopic box 3 for striking operation is provided relatively below the striking mechanism 2 .

[0033] like Figure 2 and Figure 4-Figure 8 As shown, the knocking mechanism 2 is composed of a sleeve 383 and a rack column 38 for telescopic displacement above the sleeve 383, and support blocks 21 are respectively arranged on both sides of the grinding and conveying frame 1, and a threaded rod 22 is extended upward from the top of the support block 21. A lifting plate 26 is also arranged above the two opposite support blocks 21, and the two sides above the lifting plate 26 are penetrated by the threaded rod 22, and a rotatable worm gear 25 is arranged at the penetration, and a threaded hole 251 opened downward from the top of the worm gear 25 is threadedly connected to the threaded rod 22.

[0034] A worm 23 is meshed on one side of the two worm wheels 25, and the rotation of the worm 23 is driven by a driving motor 231. As the driving motor 231 is running, the worm 23 can be rotated, and the worm wheel 25 can be rotated together after the worm 23 rotates. At the same time, after the worm wheel 25 rotates, it is threadedly connected with the threaded rod 22 through the threaded hole 251, and the lifting plate 26 can be moved up or down as a whole to facilitate the adjustment of the distance between the sleeve 383 and the granite plate. Rotating frames 212 are respectively arranged on both sides of the bottom surface of the lifting plate 26. At the same time, a rotatable reciprocating screw 241 is arranged between the two rotating frames 212, and a servo motor 24 that can drive the reciprocating screw 241 to rotate is arranged at one end of the reciprocating screw 241. As the servo motor 24 is running, the reciprocating screw 241 can be rotated together.

[0035] At the same time, a sliding block 31 is provided inside the slide groove 211 opened at the bottom of the lifting plate 26, and a telescopic box 3 is fixed at the end of the slide block 31, and the reciprocating screw 241 is penetrated between the slide blocks 31, and the sliding sleeve 32 provided on the top of the telescopic box 3 is also penetrated by the reciprocating screw 241, and an insert matching the surface path of the reciprocating screw 241 is provided at the inner ring of the penetration point of the sliding sleeve 32, and one end of the insert extends into a specific path on the surface of the reciprocating screw 241. As the reciprocating screw 241 rotates, the telescopic box 3 can be moved back and forth along its length through its insert.

[0036] A rack 214 is provided on one side of the two rotating frames 212. The rack 214 penetrates the telescopic box 3 that can move back and forth, and the interior of the telescopic box 3 is hollow. A gear 1 33 is provided on one side of the interior of the telescopic box 3 to mesh with the rack 214. A crown gear 1 331 is fixed downwardly extending below the gear 1 33. As the telescopic box 3 moves to one side, the gear 1 33 can be rotated through the rack 214. At the same time, a gear 2 34 is meshed on one side of the crown gear 1 331, and a crown gear 3 334 opposite to the crown gear 1 331 is meshed below the gear 2 34. Therefore, after the crown gear 1 331 is meshed and driven, the crown gear 3 334 can be rotated together through the gear 2 34 provided below.

[0037] A rotating shaft 1 36 is provided through a through hole 335 opened on the surface of the crown gear 3 334, and ratchet wheels 361 are provided on the outer circumference of the rotating shaft 1 36, which are respectively attached to the surfaces of the crown gear 1 331 and the crown gear 3 334, and ratchet pawls 332 that can be displaced and rebounded to one side are provided on the opposite surfaces of the crown gear 1 331 and the crown gear 3 334, and springs 333 that can push the ratchet 332 back to rebound are fixed on one side of the ratchet 332. Therefore, regardless of whether the gear 1 33 is rotating forward or reverse, the rotating shaft 1 36 can always rotate in one direction through the gear 2 34, the ratchet wheel 361 and the ratchet pawl 332. A gear 3 35 is fixed below the rotating shaft 1 36, and the gear 3 35 provided below can rotate together with the rotating shaft 1 36 when the rotating shaft 1 36 rotates.

[0038] A crown gear 2 37 is meshed with one side of the gear 35, and a half gear 371 is provided on the other side of the crown gear 2 37 to rotate with it. A rack column 38 is meshed with one side of the half gear 371, and a spring 1 381 is provided between the top of the rack column 38 and the top of the inner cavity of the telescopic box 3. A sleeve 383 is sleeved on the outer circumference of the telescopic rod 382 provided at the end of the rack column 38, and a spring 2 384 is provided between the inside of the sleeve 383 and the end of the telescopic rod 382. When the surface of the granite slab needs to be polished, the granite slab is conveyed toward the polishing head 15 through the conveyor belt 11. While the granite slab is conveyed to one side, the servo motor 24 can be operated. As the servo motor 24 operates, the reciprocating screw 241 can be rotated together. After the reciprocating screw 241 rotates, the telescopic box 3 can be reciprocated. After the telescopic box 3 is displaced, the gear 1 33 can be rotated through the rack 214. As the gear 1 33 rotates, the gear 2 34, the crown gear 3 334 and the ratchet 332 drive the shaft 1 36 to always rotate in one direction. As the shaft 1 36 rotates, the gear 1 33 can be rotated in one direction. The wheel three 35 drives the meshing crown gear two 37 on one side, and then the half gear 371 on one side of the crown gear two 37 can lift the rack column 38 upwards. After the half gear 371 is no longer meshed with the rack column 38, the spring one 381 provided on the rack column 38 can start to push back, and then the sleeve 383 can knock on the surface of the granite slab. After the granite slab passes under the sleeve 383, the reciprocating screw rod 241 continuously rotates forward and reversely, so that the sleeve 383 can continuously knock back and forth left and right, and then the stone slab that is about to break at the edge of the surface of the granite slab can be accelerated to break, so as to prevent the grinding head 15 rotating at a high speed during grinding from driving the broken stone slab fragments to splash and cause certain damage.

[0039] like Figure 6 and Figure 9-12 As shown, a back plate 213 is provided on one side of the bottom surface of the lifting plate 26, and the back plate 213 is located on the other side of the sleeve 383, and an L frame 4 is provided on one side of the surface of the back plate 213, and the interior of the L frame 4 is arranged in a hollow structure.

[0040] At the same time, pulleys 1 242 are respectively provided at both ends of the outer circumference of the reciprocating screw rod 241, and a rotating rod 244 is arranged side by side on one side of the reciprocating screw rod 241, and pulleys 3 246 are respectively provided at both ends of the rotating rod 244, which are parallel to the pulleys 1 242. The pulleys 3 246 and the pulleys 1 242 are driven to operate synchronously by belts 1 243. A rotating shaft 2 41 is provided through one end of the L frame 4, and an eccentric block 45 is also provided in the middle of the rotating shaft 2 41. Pulleys 4 43 and pulleys 2 245 are respectively provided on the outer circumferences of the rotating shaft 2 41 and the rotating rod 244, and belts 2 44 are sleeved on the outer circumferences of the pulleys 4 43 and the pulleys 2 245.

[0041] A vibration plate 46 is provided on the bottom surface of the L frame 4, and telescopic columns 461 are provided at the four corner edges of the upper surface of the vibration plate 46. At the same time, one end of the telescopic column 461 extends to the inside of the L frame 4, and a spring 462 is fixed between the top of the telescopic column 461 and the top wall of the inner cavity of the L frame 4. After the surface of the granite plate is struck by the sleeve 383, the granite plate is displaced toward the bottom surface of the vibration plate 46 through the conveyor belt 11. At the same time, when the reciprocating screw 241 is running, the pulley 1 242 and the belt 1 243 can accelerate the rotation of the rotating rod 244. As the rotating rod 244 rotates, the pulley 2 245 can rotate together. After the pulley 2 245 rotates, the rotating shaft 2 41 can rotate together through the belt 2 44. After the rotating shaft 2 41 rotates, the eccentric block 45 can generate vibration. Since the vibration plate 46 is attached to the upper surface of the granite plate, after the eccentric block 45 rotates and vibrates, the broken granite plate fragments can be further dropped through the gap between the conveyor belts 11. Prevent the grinding head 15 from rotating and splashing at high speed.

[0042] like Figure 9-Figure 15 It is shown that when the surface of the granite slab needs to be polished, the broken pieces at the edge of some granite slabs will be knocked off by the knocking mechanism 2. At the same time, the polishing head 15 needs to be wetted before the polishing process can be performed, which causes certain process inconveniences in polishing. A water tank 5 is provided above the L frame 4. The interior of the water tank 5 is hollow, and a water cover 53 is threadedly connected at the opening of the water tank 5. With the opening and closing of the water cover 53, the solution can be added to the interior of the water tank 5. A blowing plate 51 is also provided on one side of the water tank 5. A spray hole 511 is opened upward on the surface of the blowing plate 51 opposite to the surface of the granite slab, and the spray hole 511 is communicated with the interior of the water tank 5.

[0043] Pressurized pipes 52 are provided on both sides of the outer surface of the water tank 5, and an air pipe 521 extends on one side of the outer peripheral surface of the pressurized pipe 52. At the same time, a one-way valve 1 522 and a one-way valve 2 523 are provided inside the pressurized pipe 52 and the air pipe 521, respectively. The one-way valve 1 522 and the one-way valve 2 523 can control the inlet and outlet of the airflow.

[0044] A piston rod 6 that can be retracted and displaced is provided at the bottom opening of the pressure tube 52, and a connecting rod 61 is hinged below the piston rod 6, and the end of the connecting rod 61 is hingedly connected to the crankshaft 42 provided at both ends of the rotating shaft 2 41. When the rotating shaft 2 41 rotates, the crankshaft 42 provided at both ends of the rotating shaft 2 41 can rotate together. As the crankshaft 42 rotates, the piston rod 6 can be continuously reciprocated and retracted along the inside of the pressure tube 52 through the connecting rod 61. When the piston rod 6 is squeezed into the inside of the pressure tube 52, the gas inside the pressure tube 52 can enter the inside of the water tank 5 through the one-way valve 1 522, and then the pressure inside the water tank 5 is increased, and then the solution inside the water tank 5 continuously rushes to the surface of the granite plate through the spray hole 511. With the impact pressure of the water column, the broken granite plate fragments can be further dropped, and the solution will also wet the surface of the granite plate in advance, so as to facilitate the subsequent grinding process of the grinding head 15.

[0045] The method for grinding granite is characterized by comprising the following steps: Step 1: The granite slab is displaced and transported to the bottom of the knocking mechanism 2 through the conveyor belt 11, and then the servo motor 24 is operated to continuously knock the surface of the passing granite slab through the sleeve 383; Step 2: While the servo motor 1 24 is running, the rotating rod 244 set on one side is driven. As the rotating rod 244 rotates, the rotating shaft 2 41 can be continuously rotated at a high speed. After the rotating shaft 2 41 rotates, vibration can be generated through the eccentric block 45. Then, after the granite slab passes through, the fragments are vibrated and screened to be removed; Step 3: After the granite plate is vibrated, the piston rod 6 continuously applies pressure to the inside of the water tank 5 , and then the solution inside the water tank 5 can continuously impact the surface of the granite plate through the spray hole 511 .

[0046] Specifically, the working principle of the grinding device and grinding method for granite is as follows: when the surface of the granite slab needs to be ground, the granite slab is conveyed toward the grinding head 15 through the conveyor belt 11. While the granite slab is conveyed to one side, the servo motor 24 can be operated. As the servo motor 24 operates, the reciprocating screw 241 can be rotated together. After the reciprocating screw 241 rotates, the telescopic box 3 can be reciprocated. After the telescopic box 3 is displaced, the gear 1 33 can be rotated through the rack 214. As the gear 1 33 rotates, the gear 2 34, the crown gear 3 334 and the ratchet 332 drive the shaft 1 36 to always rotate in one direction. As the rotating shaft 1 36 rotates, the gear 3 35 can drive the meshing crown gear 2 37 on one side, and then the half gear 371 on the side of the crown gear 2 37 can lift the rack column 38 upwards. After the half gear 371 is no longer meshed with the rack column 38, the spring 1 381 provided on the rack column 38 can start to push back, so that the sleeve 383 can knock on the surface of the granite plate. After the granite plate passes under the sleeve 383, the reciprocating screw rod 241 continuously rotates forward and reversely, so that the sleeve 383 can continuously knock back and forth left and right, and then the stone plate that is about to break at the edge of the surface of the granite plate can be accelerated to break, so as to prevent the grinding head 15 rotating at a high speed from driving the broken stone plate fragments to splash and cause certain damage during grinding; After the surface of the granite plate is struck by the sleeve 383, the granite plate is displaced toward the bottom surface of the vibration plate 46 through the conveyor belt 11. At the same time, when the reciprocating screw 241 is running, the pulley 1 242 and the belt 1 243 can accelerate the rotation of the rotating rod 244. As the rotating rod 244 rotates, the pulley 2 245 can rotate together. After the pulley 245 rotates, the rotating shaft 2 41 can rotate together through the belt 2 44. After the rotating shaft 2 41 rotates, the eccentric block 45 can generate vibration. Since the vibration plate 46 is attached to the upper surface of the granite plate, after the eccentric block 45 rotates and vibrates, the broken granite plate fragments can be further dropped through the gap between the conveyor belts 11. Prevent the grinding head 15 from rotating and splashing at high speed; Finally, when the second rotating shaft 41 rotates, the crankshafts 42 provided at both ends of the second rotating shaft 41 can rotate together. As the crankshaft 42 rotates, the piston rod 6 can be continuously extended and reciprocated along the inside of the pressurized tube 52 through the connecting rod 61. When the piston rod 6 is squeezed into the inside of the pressurized tube 52, the gas inside the pressurized tube 52 can enter the water tank 5 through the one-way valve 1 522, and then the pressure inside the water tank 5 is increased, and then the solution inside the water tank 5 is continuously rushed to the surface of the granite slab through the spray hole 511. With the impact pressure of the water column, the broken granite slab fragments can be further dropped, and the solution will also wet the surface of the granite slab in advance, so as to facilitate the subsequent grinding head 15 to directly perform grinding processing.

[0047] It should be noted that the specific models and specifications of the drive mechanism 14, conveyor belt 11, drive motor 231 and servo motor 24 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be repeated in detail.

[0048] The above are only embodiments of the present application and are not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0049] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A grinding device for granite, comprising a grinding conveyor frame (1), and a conveyor belt (11) provided on the grinding conveyor frame (1), wherein the conveyor belt (11) is arranged in a plurality of groups in parallel and at intervals, and characterized in that: A striking mechanism (2) is provided at a feeding and grinding position on one side of the grinding head (15), and a telescopic box (3) for striking operation is provided below the striking mechanism (2). The striking mechanism (2) is composed of a sleeve (383) and a rack column (38) for telescopic displacement above the sleeve (383). A half gear (371) capable of driving the rack column (38) to move up and down is meshed on one side of the rack column (38), and a spring (381) is provided between the top of the rack column (38) and the top of the inner cavity of the telescopic box (3).

2. The grinding device for granite according to claim 1, characterized in that: Support blocks (21) are respectively arranged opposite to each other on both sides of the grinding and conveying frame (1), and a threaded rod (22) is extended upward from the top of the support block (21). A lifting plate (26) is also arranged above the two opposite support blocks (21), and the threaded rod (22) penetrates through both sides of the lifting plate (26). A rotatable worm gear (25) is arranged at the penetration point, and a threaded hole (251) is formed downwardly from the top of the worm gear (25) and is threadedly connected to the threaded rod (22).

3. The grinding device for granite according to claim 2, characterized in that: A worm (23) is meshed with one side of the worm wheel (25), and the rotation of the worm (23) is driven by a driving motor (231). Rotating frames (212) are respectively arranged on both sides of the bottom surface of the lifting plate (26) in a manner opposite to each other. A rotatable reciprocating screw (241) is arranged between the two rotating frames (212), and a servo motor (24) is arranged at one end of the reciprocating screw (241).

4. The grinding device for granite according to claim 3, characterized in that: A sliding block (31) capable of sliding is provided inside the sliding groove (211) opened at the bottom of the lifting plate (26), and a telescopic box (3) is fixed at the end of the sliding block (31). A sliding sleeve (32) provided at the top of the telescopic box (3) is penetrated by a reciprocating screw rod (241).

5. The grinding device for granite according to claim 4, characterized in that: A rack (214) is provided on one side of the rotating frame (212), and the rack (214) penetrates the telescopic box (3) which can be reciprocated. A gear 1 (33) meshingly connected to the rack (214) is provided on one side of the interior of the telescopic box (3). A crown gear 1 (331) is fixedly extended downwardly below the gear 1 (33). A gear 2 (34) is meshed on one side of the crown gear 1 (331), and a crown gear 3 (334) opposite to the crown gear 1 (331) is meshed below the gear 2 (34).

6. The grinding device for granite according to claim 5, characterized in that: The through hole (335) formed on the surface of the crown gear 3 (334) is provided with a rotatable shaft 1 (36), and ratchet wheels (361) respectively attached to the surfaces of the crown gear 1 (331) and the crown gear 3 (334) are provided on the outer circumferential surface of the shaft 1 (36), and ratchet pawls (332) capable of shifting and rebounding to one side are respectively provided on the surfaces opposite to each other of the crown gear 1 (331) and the crown gear 3 (334), and a spring 3 (333) capable of pushing the ratchet pawl (332) back to rebound is fixed on one side of the ratchet pawl (332).

7. The grinding device for granite according to claim 6, characterized in that: A gear three (35) is fixed below the rotating shaft one (36), a crown gear two (37) is meshed on one side of the gear three (35), and a half gear (371) capable of rotating with the crown gear two (37) is also provided on the other side of the crown gear two (37), and a sleeve (383) is sleeved on the outer circumference of a telescopic rod (382) provided at the end of the rack column (38), and a spring two (384) is provided between the inside of the sleeve (383) and the end of the telescopic rod (382).

8. The grinding device for granite according to claim 7, characterized in that: A back plate (213) is provided on one side of the bottom surface of the lifting plate (26), and an L frame (4) is provided on one side of the surface of the back plate (213), and the interior of the L frame (4) is arranged in a hollow structure, and a rotating rod (244) is arranged side by side on one side of the reciprocating screw rod (241), and a pulley three (246) parallel to the pulley one (242) is provided at both ends of the rotating rod (244), and the pulley three (246) and the pulley one (242) are driven to rotate synchronously through the belt one (243).

9. The grinding device for granite according to claim 8, characterized in that: A rotatable rotating shaft (41) is passed through one end of the L frame (4), and an eccentric block (45) is also provided in the middle of the rotating shaft (41). A pulley (43) and a pulley (245) are provided on the outer circumferences of the rotating shaft (41) and the rotating rod (244) respectively, and a belt (44) is sleeved on the outer circumferences of the pulley (43) and the pulley (245). A vibration plate (46) is provided on the bottom surface of the L frame (4), and telescopic columns (461) are provided at the four corner edges of the upper surface of the vibration plate (46). One end of the telescopic column (461) extends into the interior of the L frame (4), and a spring (462) is fixed between the top of the telescopic column (461) and the top wall of the inner cavity of the L frame (4).

10. A grinding method, comprising the granite grinding device according to any one of claims 1 to 9, characterized in that: The steps include: Step 1: The granite slab is displaced and transported to the bottom of the knocking mechanism (2) via the conveyor belt (11), and then the servo motor 1 (24) is operated to continuously knock the surface of the passing granite slab via the sleeve (383); Step 2: While the servo motor 1 (24) is running, a rotating rod (244) provided on one side is driven. As the rotating rod (244) rotates, the rotating shaft 2 (41) can be continuously rotated at a high speed. After the rotating shaft 2 (41) rotates, vibration is generated through the eccentric block (45). After the granite slab passes through, the fragments are vibrated and screened to be removed. Step 3: After the granite plate is vibrated, the piston rod (6) continuously applies pressure to the inside of the water tank (5), and then the solution in the water tank (5) continuously impacts the surface of the granite plate through the spray hole (511).

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