A process for the production of natural terrazzo

Abstract

The application discloses a natural terrazzo production process, which uses stone powder, silicon powder, white cement, special cement, titanium white powder and additive in different particle sizes and proportions, reduces the porosity in the terrazzo, improves the compression resistance of the terrazzo, guarantees the overall structural strength, and after being pressed and formed, the terrazzo is polished by the polishing equipment which is set optimally, the terrazzo is stacked in the feeding mechanism, and single terrazzo is conveyed to the polishing main body in turn to be polished, so that the manual transfer operation is reduced, certain human resources are saved, meanwhile, the first protection mechanism and the second protection mechanism which are the same in structure size are arranged on the two sides of the polishing main body, after the first protection mechanism and the second protection mechanism are started, the first protection mechanism and the second protection mechanism are turned down to block the outside of the processing place, so that the protection effect is achieved, the sand water is prevented from splashing outside during the polishing process, and the pollution to the surrounding environment is reduced.

Description

Technical Field

[0001] This invention relates to the field of terrazzo, specifically a natural terrazzo production process. Background Technology

[0002] Terrazzo is a concrete product made by mixing aggregates such as crushed stone, glass, and quartz into cement binder and then grinding and polishing the surface. It is an indispensable design element in the modern construction industry and has won people's favor with its natural colors and textures and convenient construction.

[0003] Currently, Chinese patent application number CN202011010744.3 discloses a production process for inorganic terrazzo, including the following: raw material selection: 30%-45% dolomite, 12%-15% white sand, 12%-15% silica fume, 13%-17% white cement, 2%-3% special cement, 1%-3% titanium dioxide, and 15%-17% additives are used as raw materials; mixing and pressing: the above raw materials are mixed with water, poured into a prefabricated mold, pressed, and after hardening, water is sprinkled on top. Wet the surface, apply a layer of cement slurry with a water-cement ratio of 0.4-0.5, and simultaneously lay a leveling mortar layer. Smooth the surface with a long screed and trowel. After the compressive strength reaches 1.2 MPa, mark the cleaning lines on the surface according to the pattern requirements and install dividing strips. Cutting, grinding and polishing: Keep the terrazzo in an environment of 25-30℃ for 2.5-3.5 days. Test grind the surface until no stone particles fall off. After the test grind, grind and polish. By pre-customizing inorganic terrazzo, environmental pollution can be reduced and the construction period can be greatly shortened.

[0004] However, in the production process of existing terrazzo technology, the compressive strength of terrazzo is relatively poor. Furthermore, in the polishing process after preparation, it is usually necessary to manually transport the shaped terrazzo stones to the polishing equipment one by one, which results in a waste of human resources. In addition, the sand and water generated during processing and polishing are easy to splash into the external environment, causing pollution to the surrounding environment. Summary of the Invention

[0005] Therefore, in order to overcome the above-mentioned shortcomings, the present invention provides a natural terrazzo production process.

[0006] This invention is achieved by constructing a natural terrazzo production process, which includes the following steps:

[0007] S1. Selection of raw materials: 80-85 parts stone powder, 13-17 parts silica fume, 8-12 parts white cement, 2-3 parts special cement, 1-2 parts titanium dioxide, and 4-8 parts admixtures are used as raw materials.

[0008] S2. Mixing and pressing: Add water to the above raw materials to mix them, and then pour the mixture into a pre-made mold for pressing.

[0009] S3. Cutting, grinding and polishing: After pressing and hardening, the material is taken out and collected and put into polishing equipment for grinding and polishing to obtain terrazzo.

[0010] Preferably, the polishing equipment includes a frame, pads fixedly connected to the four ends of the bottom of the frame, a drive body fastened to the right rear side of the top of the frame, a first conveying body connected to the bottom front side of the drive body, a second conveying body disposed on the left side inside the frame, a polishing body installed on the middle side of the top of the frame, a feeding mechanism fixedly connected to the top right side of the frame, and a first protective mechanism and a second protective mechanism respectively fastened to the left and right sides of the polishing body to prevent sand and water from splashing out during the polishing process.

[0011] Preferably, the feeding mechanism includes a pad frame fixed to the left side of the frame, a bracket fixedly connected to the top right side of the pad frame, a pushing structure installed inside the bracket, a material frame fixed to the top of the bracket, and a guiding structure connected to the left side of the material frame, wherein the bottom of the guiding structure is fixed to the pad frame.

[0012] Preferably, the four ends of the material frame are provided with longitudinal guard strips, the bottom of the material frame is hollow, and the bottom left side of the material frame is provided with a groove for the terrazzo slab to pass through.

[0013] Preferably, the pushing structure includes a base plate fixed to the support, a first motor fastened to the rear top of the base plate, a pulley assembly connected to the front output end of the first motor, a first rotating rod connected to one side of the front of the pulley assembly, a first support frame supporting the rotation of the first rotating rod on both sides, an eccentric wheel fixed to the middle of the outer surface of the first rotating rod, and a pushing assembly connected to the top side of the eccentric wheel. The other side of the pulley assembly is connected to the material guiding structure, and the bottom front and rear sides of the first support frame are fastened to the base plate.

[0014] Preferably, the pushing assembly includes a second support frame inserted into the interior of the first support frame on both its front and rear sides and slidably connected thereto; a roller rotatably connected to the middle side of the bottom of the second support frame; a guide wheel rotatably connected to the top of the inner side of the second support frame; a first bevel gear connected to the middle side of the front part of the guide wheel; a second bevel gear meshing with the bottom side of the front part of the first bevel gear; a second rotating rod penetrating the middle side of the interior of the second bevel gear; a third bevel gear connected to the bottom end of the second rotating rod; and a fourth bevel gear meshing with the rear side of the top of the third bevel gear. The rear side of the first bevel gear is rotatably connected to the second support frame, the bottom of the second bevel gear is rotatably connected to the second support frame, the bottom of the third bevel gear is rotatably connected to the first support frame, and the middle part of the inner side of the fourth bevel gear is connected to the front end of the first rotating rod.

[0015] Preferably, a protruding strip is longitudinally provided on the top side of the outer surface of the second rotating rod, and the protruding strip is longitudinally slidably connected to the inner side of the second bevel gear. Tension springs are provided on both sides of the bottom front side of the second support frame, and the bottom of the tension springs is connected to the first support frame.

[0016] Preferably, the material guiding structure includes a first upright and a second upright respectively disposed on the rear and front sides of the top of the pad frame, a first rotating roller rotatably connected to the bottom side inside the first upright and the second upright, a second rotating roller slidably connected to the top side inside the first upright and the second upright, adjusting bolts respectively threaded to the middle side of the top of the first upright and the second upright, and a material guiding plate disposed on the lower left side of the first upright and the second upright, wherein the top side of the material guiding plate is flush with the top end of the first rotating roller.

[0017] Preferably, the first protective mechanism and the second protective mechanism are the same size and are symmetrically arranged in the middle of the polishing body. The first protective mechanism includes a cover fixed to the frame at the bottom, a top plate fixedly connected to the front side of the cover, a support frame fastened to the front and rear sides of the bottom of the top plate, a second motor fastened to the inside of the cover, a guide rod connected to the front output end of the second motor, a baffle plate connected to the other end of the guide rod, and a vertical frame set on one side of the bottom of the support frame.

[0018] Preferably, a first sliding block is rotatably provided on the right side of both the front and rear sides of the baffle, and a second sliding block is rotatably provided on the middle of both the front and rear sides of the baffle. The first sliding block is laterally slidably connected to the inner side of the support frame, and the second sliding block is longitudinally slidably connected to the inner side of the upright frame.

[0019] Preferably, the baffle is made of aluminum alloy.

[0020] The present invention has the following advantages: The present invention provides an improved natural terrazzo production process, which, compared with similar equipment, has the following improvements:

[0021] Advantage 1: The natural terrazzo production process described in this invention uses stone powder, silica fume, white cement, special cement, titanium dioxide, and additives of different particle sizes and proportions to reduce the porosity of the terrazzo, improve its compressive strength, and ensure the overall structural strength. After pressing and molding, the terrazzo is polished by an optimized polishing device. The terrazzo is stacked in the feeding mechanism and individually transported to the polishing body for polishing, reducing manual handling and saving manpower. At the same time, the polishing body has a first and a second protective mechanism of the same size on both sides. After the first and second protective mechanisms are activated, they flip down to block the outside of the processing area, providing protection and preventing sand and water from splashing out during polishing, thus reducing pollution to the surrounding environment.

[0022] Advantage 2: The natural terrazzo production process described in this invention has longitudinal guard strips at all four ends of the material frame, and the bottom of the material frame is hollow. A groove is provided on the bottom left side of the material frame for terrazzo sheets to pass through, which facilitates the stacking of multiple terrazzo sheets and the discharge of terrazzo sheets through the groove. The height position of the second roller is changed by adjusting the bolts, so that the distance between the second roller and the first roller can be adjusted, thereby playing a limiting and guiding role for terrazzo sheets of different thicknesses, so that only one terrazzo sheet can be removed at a time.

[0023] Advantage 3: In the natural terrazzo production process described in this invention, after the second bevel gear is longitudinally shifted, the second rotating rod can still drive the second bevel gear to rotate. Both sides of the bottom front of the second support frame are provided with tension springs, and the bottom of the tension springs is connected to the first support frame. The tension springs give the second support frame a certain restoring force, so that the second support frame can easily fall back to its original position after being lifted.

[0024] Advantage 4: In the natural terrazzo production process described in this invention, a first sliding block is rotatably arranged on the right side of both the front and rear sides of the baffle, and a second sliding block is rotatably arranged on the middle of both the front and rear sides of the baffle. The first sliding block is laterally slidably connected to the inner side of the support frame, and the second sliding block is longitudinally slidably connected to the inner side of the upright frame, so that the baffle can rotate within the first and second sliding blocks, thereby performing a flipping action. After flipping downwards, it blocks the outside of the processing area, playing a protective role. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the feeding mechanism of the present invention;

[0027] Figure 3 This is a schematic diagram of the push structure of the present invention;

[0028] Figure 4 This is a schematic diagram of the material guiding structure of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure of the first protective mechanism of the present invention;

[0030] Figure 6 This is a schematic diagram of the connection between the support frame and the upright frame of the present invention;

[0031] Figure 7 This is a schematic diagram of the connection between the support frame and the baffle of the present invention;

[0032] Figure 8 This is a schematic diagram of the connection between the guide rod and the baffle of the present invention.

[0033] The components include: Frame-1, Foot pads-2, Drive body-3, First conveying body-4, Second conveying body-5, Polishing body-6, Feeding mechanism-7, First protective mechanism-8, Second protective mechanism-9, Pad frame-71, Support frame-72, Pushing structure-73, Material frame-74, Guide structure-75, Base plate-731, First motor-732, Pulley assembly-733, First rotating rod-734, First support frame-735, Eccentric wheel-736, Pushing assembly-737, Second support frame-7371, Roller-7372, Guide. Wheel-7373, First bevel gear-7374, Second bevel gear-7375, Second rotating rod-7376, Third bevel gear-7377, Fourth bevel gear-7378, Tension spring-73711, First upright frame-751, Second upright frame-752, First rotating roller-753, Second rotating roller-754, Adjusting bolt-755, Guide plate-756, Cover seat-81, Top plate-82, Support frame-83, Second motor-84, Guide rod-85, Baffle plate-86, Upright frame-87, First sliding block-861, Second sliding block-862. Detailed Implementation

[0034] The present invention will now be described in detail with reference to the accompanying drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Please see Figure 1 This invention discloses a natural terrazzo production process. The polishing equipment in the production process includes a frame 1, pads 2 fixedly connected to the four ends of the bottom of the frame 1, a drive body 3 fastened to the right rear side of the top of the frame 1, a first conveying body 4 connected to the front bottom side of the drive body 3, a second conveying body 5 located inside the left side of the frame 1, and a polishing body 6 installed on the top middle side of the frame 1. The polishing body 6 polishes the natural terrazzo produced. A feeding mechanism 7 is fixedly connected to the top right side of the frame 1, and a first protective mechanism 8 and a second protective mechanism 9 are respectively fastened to the left and right sides of the polishing body 6 to prevent sand and water from splashing out during the polishing process. The feeding mechanism 7 sequentially conveys the terrazzo for polishing. The first protective mechanism 8 and the second protective mechanism 9 are the same size and are symmetrically arranged in the middle of the polishing body 6. After the first protective mechanism 8 and the second protective mechanism 9 are activated, they flip downward to protect and block both sides of the processing area.

[0036] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4The present invention discloses a natural terrazzo production process, wherein the feeding mechanism 7 includes a pad frame 71 fixed to the left side of the frame 1, a bracket 72 fixedly connected to the top right side of the pad frame 71, a pushing structure 73 installed inside the bracket 72, a material frame 74 fixed to the top of the bracket 72, and a guiding structure 75 connected to the left side of the material frame 74. The bottom of the guiding structure 75 is fixed to the pad frame 71. Under the action of the pushing structure 73, the terrazzo in the material frame 74 is pushed out one at a time to the inside of the guiding structure 75, so as to be discharged through the guiding structure 75 to the first conveying body 4 for conveying and processing. The four ends of the material frame 74 are provided with guard strips longitudinally, and the bottom of the material frame 74 is hollow. The bottom left side of the material frame 74 is provided with a groove for the terrazzo pieces to pass through, which facilitates the stacking of multiple terrazzo pieces and facilitates the discharge of the terrazzo through the groove.

[0037] The pushing structure 73 includes a base plate 731 fixed to the bottom of a bracket 72, a first motor 732 fastened to the rear top of the base plate 731, a pulley assembly 733 connected to the front output end of the first motor 732, a first rotating rod 734 connected to the front side of the pulley assembly 733, and a first support frame 735 supporting the rotation of the first rotating rod 734 on both sides. Under the action of the first motor 732, the pulley assembly 733 drives the first rotating rod 734 to rotate inside the first support frame 735, thus wrapping and fixing it to the first motor 732. The eccentric wheel 736 in the middle of the outer surface of the rotating rod 734 and the push assembly 737 connected to the top side of the eccentric wheel 736, so that the eccentric wheel 736 drives the push assembly 737 to reciprocate vertically up and down through the first rotating rod 734. The middle of the other side of the pulley group 733 is connected to the material guiding structure 75, so that the pulley group 733 serves as the driving force for the material guiding structure 75 when the first motor 732 is activated. The bottom front and rear sides of the first support frame 735 are fastened to the bottom plate 731 to provide support and positioning.

[0038] The pushing assembly 737 includes a second support frame 7371, which is inserted into the interior of the first support frame 735 on both its front and rear sides and is slidably connected thereto; a roller 7372 rotatably connected to the middle side of the bottom of the second support frame 7371; a guide wheel 7373 rotatably connected to the top of the inner side of the second support frame 7371; a first bevel gear 7374 connected to the middle side of the front part of the guide wheel 7373; a second bevel gear 7375 meshing with the bottom side of the front part of the first bevel gear 7374; a second rotating rod 7376 penetrating and disposed inside the middle side of the second bevel gear 7375; a third bevel gear 7377 connected to the bottom end of the second rotating rod 7376; and a fourth bevel gear 7378 meshing with the rear side of the top of the third bevel gear 7377. The rear side of the first bevel gear 7374 is rotatably connected to the second support frame 7371, the bottom of the second bevel gear 7375 is rotatably connected to the second support frame 7371, the bottom of the third bevel gear 7377 is rotatably connected to the first support frame 735, and the inner middle of the fourth bevel gear 7378 is connected to the front end of the first rotating rod 734. Under the rotation of the first rotating rod 734, the fourth bevel gear 7378 rotates. The fourth bevel gear 7378, through its cooperation with the third bevel gear 7377, causes the second rotating rod 7376 to drive the second bevel gear 7375 to rotate. Thus, the second bevel gear 7375, through the first bevel gear 7374, causes the guide wheel 7373 to rotate, and under the action of the guide wheel 7373, the terrazzo is pushed out.

[0039] The second rotating rod 7376 has a longitudinally protruding strip on the top side of its outer surface, and the protruding strip is longitudinally slidably connected to the inner side of the second bevel gear 7375. With the cooperation of the eccentric wheel 736 and the roller 7372, the second support frame 7371 drives the guide wheel 7373 to move upward, thereby causing the second bevel gear 7375 to move longitudinally to a position on the surface of the second rotating rod 7376. After the second bevel gear 7375 is longitudinally moved, the second rotating rod 7376 can still drive the second bevel gear 7375 to rotate. The bottom front side of the second support frame 7371 is provided with tension springs 73711 on both sides, and the bottom of the tension springs 73711 is connected to the first support frame 735. The tension springs 73711 give the second support frame 7371 a certain restoring force, so that the second support frame 7371 can easily fall back to its original position after being raised.

[0040] The material guiding structure 75 includes a first upright 751 and a second upright 752 respectively disposed on the rear and front sides of the top of the pad frame 71, a first rotating roller 753 rotatably connected to the bottom side inside the first upright 751 and the second upright 752, a second rotating roller 754 slidably connected to the top side inside the first upright 751 and the second upright 752, an adjusting bolt 755 respectively threadedly connected to the middle side of the top of the first upright 751 and the second upright 752, and a guide plate 756 disposed on the lower left side of the first upright 751 and the second upright 752. The top side of the guide plate 756 is flush with the top end of the first rotating roller 753. The rear side of the conveying first rotating roller 753 is connected to the other side of the pulley group 733. The height position of the second rotating roller 754 is changed by adjusting the bolt 755 so that the distance between the second rotating roller 754 and the first rotating roller 753 can be adjusted, thereby playing a limiting and guiding role for terrazzo of different thicknesses, so that only one terrazzo can be removed at a time.

[0041] Please see Figure 1 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The present invention discloses a natural terrazzo production process. The first protective mechanism 8 includes a cover 81 whose bottom is fixed to a frame 1, a top piece 82 fixedly connected to the front side of the cover 81, a support frame 83 fastened to the front and rear sides of the bottom of the top piece 82, a second motor 84 fastened to the inside of the cover 81, a guide rod 85 connected to the output end of the front side of the second motor 84, a baffle 86 made of aluminum alloy connected to the other end of the guide rod 85, and a vertical frame 87 set on one side of the bottom of the support frame 83. Under the action of the second motor 84, the guide rod 85 drives the baffle 86 to move laterally and rotate within the support frame 83.

[0042] The baffle 86 has a first sliding block 861 rotatably mounted on the right side of both the front and rear sides, and a second sliding block 862 rotatably mounted on the middle of both the front and rear sides. The first sliding block 861 is laterally slidably connected to the inner side of the support frame 83, and the second sliding block 862 is longitudinally slidably connected to the inner side of the upright frame 87, so that the baffle 86 can rotate within the first sliding block 861 and the second sliding block 862, thereby performing a flipping action. After flipping downwards, it blocks the outside of the processing area, thus playing a protective role.

[0043] The steps of this production process are as follows:

[0044] First, select 80-85 parts of stone powder, 13-17 parts of silica fume, 8-12 parts of white cement, 2-3 parts of special cement, 1-2 parts of titanium dioxide, and 4-8 parts of admixtures as raw materials;

[0045] Second, add water to the above raw materials and mix them. After mixing, pour the mixture into a pre-made mold and press it.

[0046] Third, after the material is pressed and hardened, it is collected and stacked in the material frame 74. After stacking, the first motor 732 is started. Under the action of the first motor 732, the pulley assembly 733 drives the first rotating rod 734 to rotate inside the first support frame 735. At the same time, the other end of the pulley assembly 733 drives the first rotating roller 753 to rotate. When the first rotating rod 734 rotates, it drives the fourth bevel gear 7378 to rotate. The fourth bevel gear 7378, through its cooperation with the third bevel gear 7377, drives the second rotating rod 7376 to drive the second bevel gear 7375 to rotate. Thus, the second bevel gear 7375 is guided by the first bevel gear 7374. As wheel 7373 rotates, the second support frame 7371 drives guide wheel 7373 to move upward under the cooperation of eccentric wheel 736 and roller 7372. The second bevel gear 7375 moves longitudinally to a position on the surface of the second rotating rod 7376. After the second bevel gear 7375 moves longitudinally, the second rotating rod 7376 can still drive the second bevel gear 7375 to rotate. Then, the guide wheel 7373 moves up and down and rotates itself. When it moves to the top side, it pushes out the terrazzo. The terrazzo is discharged individually under the limiting action of the first rotating roller 753 and the second rotating roller 754 and enters the first conveying body 4 through the guide plate 756.

[0047] Fourth, after a single terrazzo stone is conveyed to the bottom of the polishing body 6, it is polished. During polishing, the guide rod 85 drives the baffle 86 to move through the action of the second motor 84, moving laterally and rotating within the support frame 83. The baffle 86 flips over through the rotational cooperation between the first sliding block 861 and the second sliding block 862. After flipping downwards, it blocks the outside of the processing area, providing protection. After polishing, the baffle 86 is reset, and the polished terrazzo stone is conveyed out through the second conveying body 5, thus obtaining natural terrazzo stone.

[0048] This invention provides an improved natural terrazzo production process. By using stone powder, silica fume, white cement, special cement, titanium dioxide, and additives of different particle sizes and proportions, the porosity of the terrazzo is reduced, improving its compressive strength and ensuring overall structural strength. Furthermore, after pressing and molding, the terrazzo is polished using an optimized polishing device. The terrazzo stones are stacked within the feeding mechanism 7, and each stone is sequentially conveyed to the polishing body 6 for polishing. This reduces manual handling and saves manpower. The 6th section has a first protective mechanism 8 and a second protective mechanism 9 of the same structural size on both sides. After the first protective mechanism 8 and the second protective mechanism 9 are activated, they flip downwards to block the outside of the processing area, thus preventing sand and water from splashing out during polishing and reducing pollution to the surrounding environment. The material frame 74 has longitudinally arranged guard strips at all four ends, and the bottom of the material frame 74 is hollow. The bottom left side of the material frame 74 is provided with a groove for terrazzo sheets to pass through, which facilitates the stacking of multiple terrazzo sheets and the discharge of terrazzo sheets through the groove. The first protective mechanism 8 and the second protective mechanism 9 are adjusted by adjusting bolt 755. The height position of the second roller 754 is adjusted to regulate the distance between the second roller 754 and the first roller 753, thereby providing a limiting and guiding function for terrazzo of different thicknesses, facilitating the movement of only one terrazzo stone at a time. After the second bevel gear 7375 is longitudinally shifted, the second rotating rod 7376 can still drive the second bevel gear 7375 to rotate. Tension springs 73711 are provided on both sides of the bottom front of the second support frame 7371, and the bottom of the tension springs 73711 is connected to the first support frame 735. The tension springs 73711 provide a certain degree of reset for the second support frame 7371. The force applied makes it easy for the second support frame 7371 to fall back to its original position after being lifted. The first sliding block 861 is rotatably provided on the right side of the front and rear sides of the baffle 86, and the second sliding block 862 is rotatably provided on the middle of the front and rear sides of the baffle 86. The first sliding block 861 is slidably connected to the inner side of the support frame 83 laterally, and the second sliding block 862 is slidably connected to the inner side of the upright frame 87 longitudinally, so that the baffle 86 can rotate within the first sliding block 861 and the second sliding block 862, thereby the baffle 86 can perform a flipping action. After flipping downward, it blocks the outside of the processing area, thus playing a protective role.

[0049] The above description shows and illustrates the basic principles, main features, and advantages of the present invention. Standard parts used in the present invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0050] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A natural terrazzo production process, characterized in that: The production process includes the following steps: S1. Selection of raw materials: 80-85 parts stone powder, 13-17 parts silica fume, 8-12 parts white cement, 2-3 parts special cement, 1-2 parts titanium dioxide, and 4-8 parts admixtures are used as raw materials. S2. Mixing and pressing: Add water to the above raw materials to mix them, and then pour the mixture into a pre-made mold for pressing. S3. Cutting, grinding and polishing: After pressing and hardening, the material is taken out and collected and put into polishing equipment for grinding and polishing to obtain terrazzo. The polishing equipment includes a frame (1) and a feeding mechanism (7) fixedly connected to the top right side of the frame (1). The feeding mechanism (7) includes a pad (71) fixed to the left side of the frame (1), a bracket (72) fixedly connected to the top right side of the pad (71), a pushing structure (73) installed inside the bracket (72), a material frame (74) fixed to the top of the bracket (72), and a guiding structure (75) connected to the left side of the material frame (74). The bottom of the guiding structure (75) is fixed to the pad (71). The pushing structure (73) includes a base plate (731) fixed to the support (72), a first motor (732) fastened to the rear top of the base plate (731), a pulley assembly (733) connected to the front output end of the first motor (732), a first rotating rod (734) connected to the front side of the pulley assembly (733), a first support frame (735) supporting the rotation of the first rotating rod (734) on both sides, an eccentric wheel (736) wrapped and fixed to the middle of the outer surface of the first rotating rod (734), and a pushing assembly (737) connected to the top side of the eccentric wheel (736). The other side of the pulley assembly (733) is connected to the material guiding structure (75), and the bottom front and rear sides of the first support frame (735) are fastened to the base plate (731). The pushing assembly (737) includes a second support frame (7371) inserted into the interior of the first support frame (735) on both the front and rear sides of its bottom and slidably connected thereto; a roller (7372) rotatably connected to the middle side of the bottom of the second support frame (7371); a guide wheel (7373) rotatably connected to the top of the inner side of the second support frame (7371); a first bevel gear (7374) connected to the middle side of the front part of the guide wheel (7373); a second bevel gear (7375) meshing with the bottom side of the front part of the first bevel gear (7374); and a second bevel gear (7375) penetrating the middle side of the interior of the second bevel gear (7375). The first bevel gear (7374) is rotatably connected to the second support frame (7371) at the rear side. The second bevel gear (7375) is rotatably connected to the second support frame (7371) at the bottom. The third bevel gear (7377) is rotatably connected to the first support frame (735) at the bottom. The fourth bevel gear (7378) is connected to the front end of the first bevel gear (734) at the middle of its inner side.

2. The natural terrazzo production process according to claim 1, characterized in that: The polishing equipment also includes pads (2) fixedly connected to the four ends of the bottom of the frame (1), a drive body (3) fastened to the right rear side of the top of the frame (1), a first conveying body (4) connected to the bottom front of the drive body (3), a second conveying body (5) set inside the left side of the frame (1), a polishing body (6) installed on the middle side of the top of the frame (1), and a first protective mechanism (8) and a second protective mechanism (9) fastened to the left and right sides of the polishing body (6) respectively to prevent sand and water from splashing out during the polishing process.

3. The natural terrazzo production process according to claim 1, characterized in that: The material frame (74) is provided with guard strips at all four ends, and the bottom of the material frame (74) is hollowed out. The bottom left side of the material frame (74) is provided with a groove for terrazzo slabs to pass through.

4. The natural terrazzo production process according to claim 1, characterized in that: The second rotating rod (7376) has a longitudinally arranged protruding strip on the top side of its outer surface, and the protruding strip is longitudinally slidably connected to the inner side of the second bevel gear (7375). The second support frame (7371) has tension springs (73711) on both sides of the bottom front side, and the bottom of the tension springs (73711) is connected to the first support frame (735).

5. The natural terrazzo production process according to claim 1, characterized in that: The material guiding structure (75) includes a first upright (751) and a second upright (752) respectively disposed on the rear and front sides of the top of the pad (71), a first rotating roller (753) rotatably connected to the bottom side inside the first upright (751) and the second upright (752), a second rotating roller (754) slidably connected to the top side inside the first upright (751) and the second upright (752), an adjusting bolt (755) respectively threaded to the middle side of the top of the first upright (751) and the second upright (752), and a material guiding plate (756) disposed on the lower left side of the first upright (751) and the second upright (752). The top side of the material guiding plate (756) is flush with the top end of the first rotating roller (753).

6. The natural terrazzo production process according to claim 2, characterized in that: The first protective mechanism (8) and the second protective mechanism (9) have the same structural size and are symmetrically arranged in the middle of the polishing body (6). The first protective mechanism (8) includes a cover (81) whose bottom is fixed to the frame (1), a top plate (82) fixedly connected to the front side of the cover (81), a support frame (83) fastened to the front and rear sides of the bottom of the top plate (82), a second motor (84) fastened to the inside of the cover (81), a guide rod (85) connected to the front output end of the second motor (84), a baffle (86) connected to the other end of the guide rod (85), and a vertical frame (87) set on one side of the bottom of the support frame (83).

7. The natural terrazzo production process according to claim 6, characterized in that: The baffle (86) is rotatably provided with a first sliding block (861) on the right side of both the front and rear sides, and a second sliding block (862) is rotatably provided in the middle of both the front and rear sides. The first sliding block (861) is laterally slidably connected to the inner side of the support frame (83), and the second sliding block (862) is longitudinally slidably connected to the inner side of the upright frame (87).

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