Cylindrical stone grinding device

Abstract

The invention belongs to the technical field of manufacturing of machinery special for building material production, and particularly relates to a cylindrical stone grinding device which comprises a rack, two sets of driving rollers are symmetrically and rotationally installed on the rack, a first belt wheel is installed at one end of each driving roller and meshed with a synchronous belt, the synchronous belts are meshed with a second belt wheel, and the second belt wheels are rotationally installed on a fixing plate. The fixing plate is fixedly installed on one side of the end of the rack, a grinding mechanism used for grinding stone is arranged in the middle of the upper end of the rack, a conveying mechanism is arranged in the rack and comprises two transmission shafts, the two transmission shafts are symmetrically and rotationally installed in the rack, and the conveying insertion tools are driven to do circular motion, so that when the stone is ground, the conveying insertion tools are driven to rotate, and the stone can be ground. Stone can be taken and placed at the same time, continuous polishing and grinding of the stone are guaranteed, and polishing and grinding of the outer ring and the end face of the stone are achieved through cooperation of the first polishing pad and the second polishing pad.

Description

Technical Field

[0001] The invention belongs to the technical field of special machinery manufacturing for building material production, in particular to a columnar stone grinding device. Background Art

[0002] Stone is widely used in construction and decoration, landscape and garden engineering, municipal and transportation facilities and other fields due to its natural beauty, durability, fire resistance and corrosion resistance. In the process of stone production and processing, the raw material stone needs to be processed into spherical, cylindrical, square and other shapes. Since the surface of the stone after shaping is relatively rough, it needs to be polished to improve the functionality, beauty and durability of the stone.

[0003] The patent with announcement number CN219026880U discloses a cylindrical outer circle grinding device, including a base, two groups of support seats, a grinding assembly, a first roller, a second roller, and a traveling assembly. The two groups of support seats are symmetrically distributed at both ends of the base. The traveling assembly includes a slide seat, a slide plate is movably installed on the slide seat, and a telescopic cylinder for driving the slide plate is fixedly installed on the base. This scheme provides a plurality of one-way stop assemblies on the slide plate so that the traveling assembly can propel the cylindrical stone located at the upper end between the first roller and the second roller in one direction, thereby realizing that multiple cylindrical stones are polished and processed simultaneously on the grinding device, which greatly improves the grinding efficiency of the outer circle of the cylindrical stone. In addition, the device is also provided with corresponding components to make the propulsion assembly more reliable and stable. At the same time, a cylinder is provided as a propulsion mechanism of the traveling assembly, thereby improving the efficiency of the return of the traveling mechanism and thus improving the working efficiency of the device.

[0004] In the above scheme, only the outer ring surface of the stone can be polished, and the two ends of the stone cannot be polished. At present, stones with short length and large diameter need to be polished on the outer ring and both ends, and the above device cannot be applied to such stones; for this reason, the present invention provides a columnar stone polishing device. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve its technical problem is: a cylindrical stone grinding device described in the present invention includes a frame, two sets of driving rollers are symmetrically mounted on the frame, a first pulley is mounted on one end of the driving roller, the first pulley meshes with a synchronous belt, the synchronous belt meshes with a second pulley, the second pulley is rotatably mounted on a fixed plate, the fixed plate is fixedly mounted on one side of the end of the frame, a grinding mechanism for grinding stones is provided in the middle of the upper end of the frame, a transmission mechanism is provided in the frame, the transmission mechanism includes two sets of transmission shafts, the two sets of transmission shafts are symmetrically mounted in the frame, and the two sets of transmission shafts are symmetrically mounted. Two sets of sprockets on the transmission shaft, chains meshing with the two sets of sprockets, and surrounding a plurality of carrier inserts disposed between the two sets of chains. The carrier inserts include a carrier body, two sets of chains are fixedly connected on both sides of the carrier body, two sets of clamps symmetrically disposed on the carrier body, a second polishing pad disposed on one side of the clamp, and a polishing mechanism including a support frame fixedly mounted on a frame, a movable frame movably mounted on the frame, a first cylinder fixedly mounted on the frame for driving the movable frame, a polishing disc rotatably mounted at the lower end of the movable frame, and a first polishing pad disposed on the polishing disc; By driving several groups of carrying inserts to make circular motion, the stones can be taken and placed at the same time when they are being polished, ensuring continuous polishing of the stones. Secondly, the first polishing pad and the second polishing pad cooperate to achieve polishing of the outer ring and end face of the stone.

[0007] Preferably, the carrier insert further includes two groups of movable blocks, the two groups of movable blocks are symmetrically and movably installed in the carrier body, the clamp is installed on the movable block, a lifting frame is arranged between the two groups of movable blocks, an elliptical elastic ring is arranged at the upper end of the lifting frame, a support rod fixedly connected to the lifting frame, four groups of through holes are opened on the movable block, the four groups of through holes are slidably connected to four groups of guide shafts, the guide shafts are fixedly installed in the carrier body, a pin is provided at one end of the carrier body, oblique grooves are provided on both sides of the lifting frame, the two ends of the pin are respectively located in the two groups of oblique grooves, two groups of slide grooves are also symmetrically opened on the lifting frame, two groups of slide rails are symmetrically provided in the carrier body, the slide rails are slidably connected to the slide grooves, a roller is rotatably installed at the lower end of the support rod, a guide plate is provided between the two groups of transmission shafts, the transmission shaft is rotatably connected to the guide plate, the roller is rotatably connected to the outer ring of the guide plate, and the outer ring of the guide plate is composed of an annular surface, an inclined surface, and a straight line surface; Under the guidance of the oblique groove, the pin drives the movable block along the four sets of guide shafts toward the middle of the stones until the roller rolls onto the straight surface, so that the stone is clamped between the two sets of first polishing pads, so that the first polishing pads apply a certain pressure to the end face of the stone. When the stone is polished, the carrier plug will continue to move, so that the roller rolls from the straight surface to the annular surface. Under the action of the rebound force of the elliptical elastic ring, the distance between the two sets of first polishing pads is slightly larger than the length of the stone again, making it easier for the staff to remove the stone from the carrier plug.

[0008] Preferably, the fixture includes a clamping plate, the clamping plate is movably connected to the movable block, the second polishing pad is installed on the clamping plate, two groups of receiving blocks are symmetrically arranged on both sides of the clamping plate, and a spring is arranged on the receiving block. The carrying plug also includes a driving block, the support rod is movably connected to the driving block, guide pillars are provided at both ends of the driving block, a guide hole is opened at the lower end of the clamping plate, the guide pillar is slidably connected to the guide hole, a driving mechanism is provided in the middle of the guide plate, the driving mechanism includes a guide rail, the guide rail is fixedly mounted on the guide plate, the guide rail is slidably connected to the driving plate, a second cylinder for driving the driving plate is fixedly mounted on the guide plate, and a docking groove for docking the upper end of the driving plate is provided on the driving block; The driving block drives the two sets of clamps to move upward through the two sets of guide pillars, so that the clamps drive the second polishing pad to move upward along the end surface of the stone. During this process, the clamps slide along the inner cavity of the movable block, and the clamps drive the receiving block to compress the spring, and then the second cylinder pulls the driving plate downward to move the second polishing pad downward along the end surface of the stone. Repeat the above operation to make the second polishing pad move back and forth up and down along the end surface of the stone, thereby increasing the friction of the second polishing pad on the stone, which not only speeds up the grinding efficiency of the stone, but also improves the grinding quality of the stone.

[0009] The beneficial effects of the present invention are as follows: 1. By driving several groups of carrier inserts to make circular motion, the stone can be taken and placed at the same time while being polished, ensuring continuous polishing of the stone. Secondly, the first polishing pad and the second polishing pad cooperate to realize the polishing of the outer ring and end face of the stone.

[0010] When the stone is polished, the carrier insert will continue to move, causing the roller to roll from the straight surface to the annular surface. Under the action of the rebound force of the elliptical elastic ring, the distance between the two sets of first polishing pads is slightly larger than the length of the stone again, making it easier for the staff to remove the stone from the carrier insert.

[0011] 3. When the carrying insert moves to just below the grinding disc, the upper end of the driving plate moves into the docking groove on the driving block. When the stone is being ground, the second cylinder is started, and the second cylinder pushes the driving plate to slide upward along the guide rail. At the same time, the upper end of the driving plate moves the driving block upward through the docking groove. The driving block drives the two sets of clamps to move upward through two sets of guide columns, so that the clamp drives the second polishing pad to move upward along the end surface of the stone. During this process, the clamp slides along the inner cavity of the movable block, and the clamp drives the receiving block to compress the spring, and then the second cylinder pulls the driving plate downward, so that the second polishing pad moves downward along the end surface of the stone. Repeat the above operation, so that the second polishing pad moves back and forth up and down along the end surface of the stone, thereby increasing the friction of the second polishing pad on the stone, which not only speeds up the grinding efficiency of the stone, but also improves the grinding quality of the stone. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] Figure 1 It is a partial schematic diagram of the structure of the present invention.

[0014] Figure 2 It is a schematic diagram of the combination of the driving roller, the first pulley, the synchronous belt, the second pulley and the fixed plate of the present invention.

[0015] Figure 3 This is a schematic diagram of the cross-section of the frame, grinding mechanism, and transmission mechanism of the present invention.

[0016] Figure 4 It is a cross-sectional schematic diagram of the conveying mechanism and stone combination of the present invention.

[0017] Figure 5 It is a schematic diagram of the combination of the push plate and the limiting rack of the present invention.

[0018] Figure 6 This is a schematic diagram of the cross-section of the carrier body, movable block, and lifting frame assembly of the present invention.

[0019] Figure 7 It is a schematic cross-sectional view of the entire carrier insert of the present invention.

[0020] Figure 8 This is a schematic diagram of the guide plate, drive mechanism, and carrier insert assembly of the present invention.

[0021] Figure 9 It is a schematic diagram of the overall structure of the present invention.

[0022] In the figure: 1. Frame; 2. Driving roller; 3. First pulley; 4. Synchronous belt; 5. Second pulley; 6. Fixed plate; 7. Grinding mechanism; 8. Conveying mechanism; 9. Stone; 701. Support frame; 702. Movable frame; 703. First cylinder; 704. Grinding disc; 705. First polishing pad; 801. Transmission shaft; 8011. Guide plate; 11. Annular surface; 12. Inclined surface; 13. Linear surface; 802. Sprocket; 804. Chain; 805. Carrier insert; 8051. Carrier body; 511. Slide rail; 8052 , fixture; 8053, second polishing pad; 8054, movable block; 541, through hole; 542, guide shaft; 543, pin; 8055, lifting frame; 551, oblique groove; 552, slide groove; 8056, elliptical elastic ring; 8057, support rod; 571, roller; 8058, drive block; 581, docking groove; 8059, guide column; 521, splint; 21, guide hole; 522, receiving block; 523, spring; 8012, drive mechanism; 121, guide rail; 122, drive plate; 123, second cylinder. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] Example 1: Figures 1 to 3 As shown, a cylindrical stone grinding device according to an embodiment of the present invention includes a frame 1, two sets of driving rollers 2 are symmetrically mounted on the frame 1, a first pulley 3 is mounted on one end of the driving roller 2, the first pulley 3 meshes with a synchronous belt 4, the synchronous belt 4 meshes with a second pulley 5, the second pulley 5 is rotatably mounted on a fixed plate 6, the fixed plate 6 is fixedly mounted on one side of the end of the frame 1, a grinding mechanism 7 for grinding stone 9 is provided in the middle of the upper end of the frame 1, a transmission mechanism 8 is provided in the frame 1, the transmission mechanism 8 includes two sets of transmission shafts 801, the two sets of transmission shafts 801 are symmetrically mounted in the frame 1, two sets of sprockets 802 are symmetrically mounted on the transmission shafts 801, a chain 804 meshes with the two sets of sprockets 802, and a surrounding Several groups of carrier inserts 805 are arranged between the two groups of chains 804. The carrier inserts 805 include a carrier body 8051, and the two groups of chains 804 are fixedly connected on both sides of the carrier body 8051. Two groups of clamps 8052 are symmetrically arranged on the carrier body 8051, and a second polishing pad 8053 is arranged on one side of the clamp 8052. The polishing mechanism 7 includes a support frame 701, the support frame 701 is fixedly mounted on the frame 1, a movable frame 702 movably mounted on the frame 1, a first cylinder 703 fixedly mounted on the frame 1 for driving the movable frame 702, a polishing disc 704 rotatably mounted at the lower end of the movable frame 702, and a first polishing pad 705 set on the polishing disc 704.

[0025] Specifically, attached Figure 3 The position indicated by the middle arrow is the loading point. In the initial state, a set of carrier inserts 805 is located at the loading point, and the two sets of clamps 8052 on the carrier insert 805 are located between the two sets of driving rollers 2. When the stone 9 needs to be polished, the stone 9 is placed between the two sets of clamps 8052 on the carrier insert 805 located at the loading point. The second polishing pad 8053 on the clamp 8052 will fit the end face of the stone 9. At the same time, the stone 9 is located on the two sets of driving rollers 2. Then, a set of transmission shafts 801 are driven by a motor to rotate. The transmission shafts 801 drive the two sets of sprockets 802 to rotate. The two sets of sprockets 802 drive the two sets of chains 804 together with several sets of carrier inserts 805 to do circular motion. Figure 1 The direction indicated by the middle arrow is the direction of circular motion, so that the stone 9 moves along the two sets of driving rollers 2 with the corresponding carrying insert 805 toward the bottom of the grinding mechanism 7 until the stone 9 moves to the bottom of the grinding disc 704, and then the first cylinder 703 drives the movable frame 702 together with the grinding disc 704 to move downward, so that the first polishing pad 705 on the grinding disc 704 is squeezed onto the stone 9, and then the second pulley 5 is driven by the motor to rotate, and the second pulley 5 drives the first pulley 3 together with the corresponding driving roller 2 to rotate through the synchronous belt 4. The rotating driving roller 2 drives the stone 9 to rotate, so that the two end faces of the stone 9 generate friction with the two sets of second polishing pads 8053, thereby achieving polishing and grinding of the two end faces of the stone 9. At the same time, the motor drives the grinding disc 704 to rotate, and the grinding disc 704 drives the second polishing pad 8053 to polish and grind the outer ring of the rotating stone 9, thereby achieving polishing and grinding of the outer ring of the stone 9. During the grinding process of the stone 9, the stone 9 is continued to be placed on the next group of carrying inserts 805 located at the loading point. After the grinding of the stone 9 is completed, the grinding disc 704 is withdrawn, and several groups of carrying inserts 805 are continued to be driven to make circular motions, so that the next group of stones 9 are moved to the bottom of the grinding disc 704. When the next group of stones 9 are ground, the ground stones 9 can be taken out from the corresponding carrying inserts 805, and the stones 9 to be ground can be placed on the carrying inserts 805 located at the loading point. The above operation is repeated in a cycle. Compared with the prior art, by driving several groups of carrying inserts 805 to make circular motions, the stones 9 can be taken and placed at the same time when grinding the stones 9, thereby ensuring continuous polishing of the stones 9. Secondly, the first polishing pad 705 cooperates with the second polishing pad 8053 to realize the polishing of the outer ring and end face of the stone 9.

[0026] like Figures 4 to 6As shown, the carrier insert 805 also includes two groups of movable blocks 8054, which are symmetrically mounted in the carrier body 8051, and the clamp 8052 is mounted on the movable blocks 8054. A lifting frame 8055 is set between the two groups of movable blocks 8054, an elliptical elastic ring 8056 is set at the upper end of the lifting frame 8055, and a support rod 8057 fixedly connected to the lifting frame 8055. Four groups of through holes 541 are opened on the movable blocks 8054, and the four groups of through holes 541 are slidably connected to four groups of guide shafts 542. The guide shafts 542 are fixedly mounted in the carrier body 8051, and a pin 54 is set at one end of the carrier body 8051. 3. Both sides of the lifting frame 8055 are provided with oblique grooves 551. The ends of the pin 543 are respectively located in the two sets of oblique grooves 551. The lifting frame 8055 is also symmetrically provided with two sets of slide grooves 552. Two sets of slide rails 511 are symmetrically provided in the carrier body 8051. The slide rails 511 are slidably connected to the slide grooves 552. The lower end of the support rod 8057 is rotatably mounted with a roller 571. A guide plate 8011 is provided between the two sets of transmission shafts 801. The transmission shaft 801 is rotatably connected to the guide plate 8011. The roller 571 is rollingly connected to the outer ring of the guide plate 8011. The outer ring of the guide plate 8011 is composed of an annular surface 11, an inclined surface 12, and a linear surface 13.

[0027] Specifically, the elliptical elastic ring 8056 is made of stainless steel with good elasticity. When the first polishing pad 705 grinds the end face of the stone 9, the first polishing pad 705 must exert a certain squeezing force on the end face of the stone 9. However, this will result in a relatively small distance between the two sets of first polishing pads 705, making it difficult for the staff to place the stone 9 between the two sets of clamps 8052. Therefore, when the carrier plug 805 is located at the loading point, the distance between the two sets of first polishing pads 705 on the carrier plug 805 is slightly larger than the length of the stone 9, which is convenient for the staff to place the stone 9 on the carrier plug 805. When the carrier plug 805 drives the stone 9 to move toward the grinding mechanism 7, the roller 571 on the carrier plug 805 first rolls along the annular surface 11, and then the roller 571 is squeezed by the inclined surface 12, so that the roller 571 pushes the support rod 8057 together with the lifting frame 8055 to move upward, and the lifting frame 8055 presses The elliptical elastic ring 8056 is retracted. During this process, the slide groove 552 on the lifting frame 8055 slides along the slide rail 511, guiding the movement of the lifting frame 8055. At the same time, the ends of the two sets of pins 543 slide along the oblique grooves 551. Under the guidance of the oblique grooves 551, the pins 543 drive the movable block 8054 along the four sets of guide shafts 542 toward between the stones 9 until the rollers 571 roll onto the linear surface 13, so that the stone 9 is clamped between the two sets of first polishing pads 705, so that the first polishing pads 705 apply a certain pressure to the end surface of the stone 9. When the stone 9 is polished, the carrying insert 805 will continue to move, so that the rollers 571 roll from the linear surface 13 to the annular surface 11. Under the action of the rebound force of the elliptical elastic ring 8056, the distance between the two sets of first polishing pads 705 is slightly larger than the length of the stone 9 again, so that the staff can remove the stone 9 from the carrying insert 805.

[0028] Example 2: Figures 7 to 9 As shown in the comparative example 1, another embodiment of the present invention is as follows: the clamp 8052 includes a clamp 521, the clamp 521 is movably connected to the movable block 8054, the second polishing pad 8053 is installed on the clamp 521, two sets of receiving blocks 522 are symmetrically arranged on both sides of the clamp 521, and a spring 523 is arranged on the receiving block 522. The carrying plug 805 also includes a driving block 8058, a support rod 8057 is movably connected to the driving block 8058, and guide pillars 805 are provided at both ends of the driving block 8058. 9. A guide hole 21 is provided at the lower end of the splint 521, and a guide column 8059 is slidably connected to the guide hole 21. A driving mechanism 8012 is provided in the middle of the guide plate 8011. The driving mechanism 8012 includes a guide rail 121, which is fixedly mounted on the guide plate 8011 and slidably connected to the driving plate 122. A second cylinder 123 for driving the driving plate 122 is fixedly mounted on the guide plate 8011, and a docking groove 581 for docking with the upper end of the driving plate 122 is provided on the driving block 8058.

[0029] Specifically, when the carrier insert 805 moves to the bottom of the grinding disc 704, the upper end of the driving plate 122 moves into the docking groove 581 on the driving block 8058. When the stone 9 is being ground, the second cylinder 123 is activated. The second cylinder 123 pushes the driving plate 122 to slide upward along the guide rail 121. At the same time, the upper end of the driving plate 122 moves upward through the docking groove 581 to move the driving block 8058. The driving block 8058 drives the two sets of clamping plates 521 to move upward through the two sets of guide pillars 8059, so that the clamping plates 521 drive the second polishing pad 805. 3 moves upward along the end surface of the stone 9. During this process, the clamping plate 521 slides along the inner cavity of the movable block 8054, and the clamping plate 521 drives the receiving block 522 to compress the spring 523. Then, the second cylinder 123 pulls the driving plate 122 downward, causing the second polishing pad 8053 to move downward along the end surface of the stone 9. The above operation is repeated, causing the second polishing pad 8053 to move up and down along the end surface of the stone 9, thereby increasing the friction force of the second polishing pad 8053 on the stone 9, which not only speeds up the grinding efficiency of the stone 9, but also improves the grinding quality of the stone 9.

[0030] Working principle: The stone 9 is placed between the two sets of clamps 8052 on the carrying insert 805 located at the loading point, and the second polishing pad 8053 on the clamp 8052 will fit the end surface of the stone 9. At the same time, the stone 9 is located on the two sets of driving rollers 2. Then, a set of transmission shafts 801 are driven to rotate by the motor, and the transmission shaft 801 drives the two sets of sprockets 802 to rotate. The two sets of sprockets 802 drive the two sets of chains 804 together with several sets of carrying inserts 805 to make circular motion, so that the stone 9 moves along the corresponding carrying inserts 805 along the two sets of driving rollers 2 toward the bottom of the grinding mechanism 7 until the stone 9 moves to the bottom of the grinding disk 704. Then, the movable frame 702 and the grinding disk 704 are driven downward by the first cylinder 703, so that the first polishing pad 705 on the grinding disk 704 is squeezed onto the stone 9. Then, the second pulley 5 is driven to rotate by the motor, and the second pulley 5 drives the first pulley 3 together with the corresponding The driving roller 2 rotates, and the rotating driving roller 2 drives the stone 9 to rotate, so that the two end surfaces of the stone 9 and the two groups of second polishing pads 8053 generate friction, thereby achieving polishing and grinding of the two end surfaces of the stone 9. At the same time, the motor drives the grinding disc 704 to rotate, and the grinding disc 704 drives the second polishing pad 8053 to polish and grind the outer ring of the rotating stone 9, thereby achieving polishing and grinding of the outer ring of the stone 9. During the grinding process of the stone 9, the stone 9 is continuously placed on the next group of carrying inserts 805 located at the loading point. After the grinding of the stone 9 is completed, the grinding disc 704 is withdrawn, and several groups of carrying inserts 805 are continuously driven to perform circular motion, so that the next group of stones 9 are moved to just below the grinding disc 704. During the grinding process of the next group of stones 9, the polished stones 9 can be removed from the corresponding carrying inserts 805, and the stones 9 to be polished are placed on the carrying inserts 805 located at the loading point, and the above operation is repeated in a cycle. When the carrier insert 805 is located at the loading point, the distance between the two groups of first polishing pads 705 on the carrier insert 805 is slightly larger than the length of the stone 9, which makes it easier for the staff to place the stone 9 on the carrier insert 805. When the carrier insert 805 drives the stone 9 to move toward the grinding mechanism 7, the roller 571 on the carrier insert 805 first rolls along the annular surface 11, and then the roller 571 is squeezed by the inclined surface 12, so that the roller 571 pushes the support rod 8057 and the lifting frame 8055 to move upward, and the lifting frame 8055 compresses the elliptical elastic ring 8056. During this process, the slide groove 552 on the lifting frame 8055 slides along the slide rail 511, guiding the movement of the lifting frame 8055. At the same time, the two groups The end of the pin 543 slides along the oblique groove 551. Guided by the oblique groove 551, the pin 543 drives the movable block 8054 along the four sets of guide shafts 542 toward the middle of the stone 9 until the roller 571 rolls onto the linear surface 13, thereby clamping the stone 9 between the two sets of first polishing pads 705. The first polishing pads 705 apply a certain pressure to the end face of the stone 9. When the stone 9 is polished, the carrier insert 805 will continue to move, causing the roller 571 to roll from the linear surface 13 to the annular surface 11. Under the rebound force of the elliptical elastic ring 8056, the distance between the two sets of first polishing pads 705 becomes slightly larger than the length of the stone 9 again, making it easier for workers to remove the stone 9 from the carrier insert 805. When the carrier insert 805 moves to the bottom of the grinding disc 704, the upper end of the driving plate 122 moves into the docking groove 581 on the driving block 8058. When the stone 9 is being ground, the second cylinder 123 is activated. The second cylinder 123 pushes the driving plate 122 to slide upward along the guide rail 121. At the same time, the upper end of the driving plate 122 moves upward through the docking groove 581 to move the driving block 8058. The driving block 8058 drives the two sets of clamping plates 521 to move upward through the two sets of guide pillars 8059, so that the clamping plates 52 1 drives the second polishing pad 8053 to move upward along the end surface of the stone 9. During this process, the clamping plate 521 slides along the inner cavity of the movable block 8054, and the clamping plate 521 drives the receiving block 522 to compress the spring 523. Then, the second cylinder 123 pulls the driving plate 122 downward, causing the second polishing pad 8053 to move downward along the end surface of the stone 9. The above operation is repeated to make the second polishing pad 8053 move back and forth up and down along the end surface of the stone 9, thereby increasing the friction force of the second polishing pad 8053 on the stone 9.

[0031] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A cylindrical stone grinding device, comprising a frame (1), characterized in that: Two sets of driving rollers (2) are symmetrically mounted on the frame (1), one end of the driving roller (2) is mounted with a first pulley (3), the first pulley (3) engages with a synchronous belt (4), the synchronous belt (4) engages with a second pulley (5), the second pulley (5) is rotatably mounted on a fixed plate (6), the fixed plate (6) is fixedly mounted on one side of the end of the frame (1), a grinding mechanism (7) for grinding stone (9) is provided in the middle of the upper end of the frame (1), and a conveying mechanism (8) is provided in the frame (1); The transmission mechanism (8) comprises two sets of transmission shafts (801), and the two sets of transmission shafts (801) are symmetrically mounted in the frame (1); Two sets of sprockets (802) symmetrically mounted on the transmission shaft (801); two sets of chains (804), the chains (804) engaging the two sets of sprockets (802); A plurality of groups of carrier inserts (805) are arranged around and between the two groups of chains (804); The carrier insert (805) comprises a carrier body (8051), and two sides of the carrier body (8051) are respectively fixedly connected to two groups of chains (804); Two sets of clamps (8052) symmetrically arranged on the carrier body (8051); A second polishing pad (8053) is provided on one side of the fixture (8052).

2. A cylindrical stone grinding device according to claim 1, characterized in that: The polishing mechanism (7) comprises a support frame (701), and the support frame (701) is fixedly mounted on the frame (1); A movable frame (702) movably mounted on the frame (1); A first cylinder (703) fixedly mounted on the frame (1) for driving the movable frame (702); Rotating a grinding disc (704) mounted at the lower end of the movable frame (702); A first polishing pad (705) is provided on the grinding disc (704).

3. The cylindrical stone grinding device according to claim 2, characterized in that: The carrier insert (805) further comprises two groups of movable blocks (8054), the two groups of movable blocks (8054) being symmetrically and movably mounted in the carrier body (8051), and the clamp (8052) being mounted on the movable blocks (8054); A lifting frame (8055) is provided between the two sets of movable blocks (8054); an elliptical elastic ring (8056) provided at the upper end of the lifting frame (8055); A support rod (8057) is fixedly connected to the lifting frame (8055).

4. The cylindrical stone grinding device according to claim 3, characterized in that: Four groups of through holes (541) are provided on the movable block (8054), and the four groups of through holes (541) are slidably connected to four groups of guide shafts (542), and the guide shafts (542) are fixedly installed in the carrier body (8051).

5. The cylindrical stone grinding device according to claim 4, characterized in that: A pin shaft (543) is provided at one end of the carrier body (8051), and oblique grooves (551) are provided on both sides of the lifting frame (8055), with both ends of the pin shaft (543) respectively located in two groups of oblique grooves (551).

6. The cylindrical stone grinding device according to claim 5, characterized in that: Two groups of slide grooves (552) are symmetrically provided on the lifting frame (8055), and two groups of slide rails (511) are symmetrically provided in the carrier body (8051), and the slide rails (511) are slidably connected to the slide grooves (552).

7. The cylindrical stone grinding device according to claim 6, characterized in that: A roller (571) is rotatably mounted on the lower end of the support rod (8057), a guide plate (8011) is provided between the two sets of transmission shafts (801), the transmission shafts (801) are rotatably connected to the guide plates (8011), and the roller (571) is rollingly connected to the outer ring of the guide plates (8011), and the outer ring of the guide plates (8011) is composed of an annular surface (11), an inclined surface (12), and a straight surface (13).

8. The cylindrical stone grinding device according to claim 7, characterized in that: The clamp (8052) comprises a clamping plate (521), the clamping plate (521) is movably connected to the movable block (8054), and the second polishing pad (8053) is mounted on the clamping plate (521); Two groups of receiving blocks (522) symmetrically arranged on both sides of the clamping plate (521); A spring (523) is provided on the receiving block (522).

9. The cylindrical stone grinding device according to claim 8, characterized in that: The carrier plug (805) further comprises a driving block (8058), the support rod (8057) is movably connected to the driving block (8058), both ends of the driving block (8058) are provided with guide posts (8059), a guide hole (21) is provided at the lower end of the splint (521), and the guide post (8059) is slidably connected to the guide hole (21).

10. The cylindrical stone grinding device according to claim 9, characterized in that: A driving mechanism (8012) is provided in the middle of the guide plate (8011), the driving mechanism (8012) comprising a guide rail (121), and the guide rail (121) is fixedly mounted on the guide plate (8011); The guide rail (121) is slidably connected to the drive plate (122); a second cylinder (123) for driving the drive plate (122) is fixedly mounted on the guide plate (8011); and a docking groove (581) for docking with the upper end of the drive plate (122) is provided on the drive block (8058).

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