Grinding equipment for concrete surface retarder

Abstract

The utility model relates to the technical field of retarder processing, in particular to grinding equipment for a retarder on the surface of concrete, which can control the feeding speed of materials, realize the controllability of the grinding speed of the materials, continuously feed the materials and avoid the unbalanced feeding condition. Comprising a shell, a base, a feeding assembly, a grinding mechanism and a guiding assembly, the base is fixedly connected to the bottom end of the shell, a plurality of fixing holes are formed in the base in the axial direction, the feeding assembly is installed on the top of the shell, and the feeding assembly comprises two feeding pipes, two driving motors, two rotating rods, two spiral conveying blades, two feeding hoppers, a storage box and a guiding block; the grinding mechanism is installed in the shell, the guiding assembly is installed in the shell, and a discharging opening is formed in the right side wall of the shell.

Description

Technical Field

[0001] The utility model relates to the technical field of retarder processing, in particular to a grinding device for a retarder on a concrete surface. Background Art

[0002] Retarder is a new type of concrete admixture. Its molecular structure contains a large number of hydroxyl and carboxyl groups. It can form a stable complex with free Ca2+ in the alkaline medium of cement hydration products, delaying the crystallization of CH. It can also be adsorbed on the surface of cement particles to delay the hydration reaction. It can be widely used in concrete for various pumping constructions such as buildings, roads, bridges, hydraulic engineering and underground engineering. At present, when processing the retarder, it is usually necessary to grind it. The prior art publication number CN210171560U proposes a grinding device for concrete admixture, including a box, a feed hopper and a crushing mechanism. The middle position of the outer wall at the top of the box is provided with an installation port, and the feed hopper is welded on the inner wall on one side of the installation port. Multiple inclined plates are welded on the inner walls on both sides of the feed hopper in a staggered manner, and a fixed frame is hinged on the inner wall of one side of the feed hopper near the bottom, and multiple vibrators are fixed by bolts on the outer wall of the bottom of the fixed frame near both sides. A feeding mechanism is provided at the middle position of the outer wall at the bottom of the box, and the crushing mechanism includes a second motor, a transmission shaft and a crushing roller. It is fed by a vibrator, but the material falls from two drop ports after being vibrated above the fixed frame, and the amount of the material falling from the drop port is uncertain, so that the material entering between the crushing rollers is unbalanced, and personnel are required to slowly put the material from the feed hopper, and the control of the grinding speed of the material is mainly carried out by personnel. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a grinding device for concrete surface retarder which can control the material entry speed, realize the controllable material grinding speed, and can continuously feed the material to avoid the occurrence of uneven feeding.

[0004] The utility model discloses a grinding device for a concrete surface retarder, comprising a shell, a base, a feed component, a grinding mechanism and a guide component, wherein the base is fixedly connected to the bottom end of the shell, a plurality of fixing holes are axially arranged on the base, the feed component is mounted on the top of the shell, the grinding mechanism is mounted inside the shell, the guide component is mounted inside the shell, and a discharge port is arranged on the right side wall of the shell; the feed component realizes temporary storage of materials, and does not require personnel to slowly feed materials, and can control the speed at which materials enter the shell, realizes controllable material grinding speed, can continuously feed materials, avoids the occurrence of uneven feeding, grinds materials through the grinding mechanism, and the guide component can guide materials, thereby improving grinding efficiency.

[0005] Preferably, the feeding assembly includes two feeding pipes, two driving motors, two rotating rods, two spiral conveying blades, two feeding hoppers, a material storage box and a material guide block, the two feeding pipes are fixedly installed at the left and right ends of the top of the shell body, the top of the feed pipe is connected with the feed hopper, and the bottom of the feed pipe is provided with a feeding port, the driving motor is installed in the middle part of the bottom end of the feed pipe, the output end of the driving motor passes through the bottom end of the feed pipe and is connected with the rotating rod, the outer wall of the rotating rod is fixedly installed with spiral conveying blades, the bottom end of the material storage box is connected with the top end of the feed hopper, and the material guide block is fixedly installed in the middle part of the bottom end of the material storage box; the material can be temporarily stored through the material storage box, and there is no need for personnel to slowly put in the material. The material is guided by the material guide block to speed up the material input, and the driving motor is started to drive the rotating rod to rotate, and the rotating rod drives the spiral conveying blade to rotate to transport the material downward, so that the speed at which the material enters the shell can be controlled, the speed of material grinding can be controlled, and the material feeding can be continuously performed to avoid the occurrence of uneven feeding.

[0006] Preferably, the grinding mechanism includes a grinding cylinder, a mounting box, a transmission, a driving motor, a rotating shaft and a grinding roller. The grinding cylinder is fixedly mounted on the inner wall of the shell, the mounting box is located inside the shell, the transmission is fixedly mounted inside the mounting box, the input end of the transmission is connected to the output end of the driving motor, the output end of the transmission passes through the bottom end of the mounting box and is fixedly connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a grinding roller, the grinding roller cooperates with the grinding cylinder, and the upper part of the grinding roller is configured to be conical; after the material enters the shell, it is guided to the gap between the grinding cylinder and the middle part of the grinding roller through the cone at the top of the grinding roller, the driving motor is started to drive the rotating shaft to rotate through the transmission, and the rotating shaft drives the grinding roller to rotate and grinds the material by cooperating with the grinding cylinder.

[0007] Preferably, it also includes a hydraulic cylinder, a grinding plate and a guide column, the hydraulic cylinder is fixedly installed on the top of the shell, the bottom of the hydraulic cylinder is connected to the top of the installation box, the grinding plate is installed at the bottom discharge end of the grinding cylinder, and a plurality of blanking holes are provided on the grinding plate. The guide column is slidably installed in the middle of the grinding plate, and the top of the guide column is connected to the bottom end of the grinding roller; starting the hydraulic cylinder can push the installation box to move up and down in the shell, thereby driving the grinding roller to move up and down in the shell, adjusting the size of the gap between the grinding roller and the grinding cylinder, and after the material particles fall onto the grinding plate, the material is ground again through the bottom of the grinding roller and the grinding plate, and finally discharged through the blanking hole. When the grinding roller moves, it drives the guide column to slide on the grinding plate to ensure stability during use.

[0008] Preferably, the guide assembly includes a guide ring and a discharge hopper, the guide ring is fixedly mounted on the inner wall of the shell above the grinding cylinder, and the discharge hopper is fixedly mounted at the bottom discharge port of the grinding cylinder; the material added to the shell is guided by the guide ring to avoid material residue and improve grinding efficiency, and the ground material is discharged from the bottom drop hole of the grinding plate and falls into the discharge hopper to avoid the material scattering everywhere.

[0009] Preferably, it also includes a conveyor, multiple groups of legs, two baffles and a discharge plate. The conveyor is installed at the inner bottom end of the shell through the legs, and the right end of the conveyor passes through the discharge port of the shell and is located outside the shell. Baffles are installed at the front and rear ends of the conveyor, and the discharge plate is installed at the right end of the conveyor; the material collected by the discharge hopper falls onto the conveyor, and the material is output to the outside of the shell through the conveyor. The baffle can limit the material to prevent it from falling.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the feeding component realizes the temporary storage of materials, there is no need for personnel to slowly feed materials, the speed at which materials enter the shell can be controlled, the speed of material grinding can be controlled, the material can be fed continuously, and the occurrence of uneven feeding is avoided. The materials are ground through the grinding mechanism, and the guide component can guide the materials to improve the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a front structural schematic diagram of the utility model;

[0013] Figure 3 It is a front cross-sectional structural schematic diagram of the utility model;

[0014] Figure 4 It is a left-side cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model viewed from above;

[0016] Markings in the attached drawings: 1. Shell; 2. Base; 3. Feed pipe; 4. Drive motor; 5. Rotating rod; 6. Spiral conveying blade; 7. Feed hopper; 8. Storage box; 9. Guide block; 10. Grinding cylinder; 11. Mounting box; 12. Transmission; 13. Drive motor 1; 14. Rotating shaft; 15. Grinding roller; 16. Hydraulic cylinder; 17. Grinding plate; 18. Guide column; 19. Guide ring; 20. Discharge hopper; 21. Conveyor; 22. Support leg; 23. Baffle; 24. Discharge plate. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] Example 1

[0019] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the base 2 is fixedly connected to the bottom end of the shell 1, and a plurality of fixing holes are axially provided on the base 2. Two feed pipes 3 are fixedly installed at the left and right ends of the top of the shell 1. The top of the feed pipe 3 is connected with a feed hopper 7, and a feed port is provided at the bottom of the feed pipe 3. The drive motor 4 is installed in the middle of the bottom end of the feed pipe 3, and the output end of the drive motor 4 passes through the bottom end of the feed pipe 3 and is connected with a rotating rod 5. A spiral conveying blade 6 is fixedly installed on the outer wall of the rotating rod 5. The bottom end of the storage box 8 is connected to the top end of the feed hopper 7, and the guide block 9 is fixedly installed in the middle of the bottom end of the storage box 8. The grinding cylinder 10 is fixedly installed on the inner wall of the shell 1, the mounting box 11 is located inside the shell 1, and the transmission 12 is fixedly installed. Installed inside the installation box 11, the input end of the transmission 12 is connected to the output end of the driving motor 13, the output end of the transmission 12 passes through the bottom end of the installation box 11 and is fixedly connected to the rotating shaft 14, the bottom of the rotating shaft 14 is fixedly connected to the grinding roller 15, the grinding roller 15 matches the grinding cylinder 10, the upper part of the grinding roller 15 is set to be conical, the hydraulic cylinder 16 is fixedly installed on the top of the shell 1, the bottom of the hydraulic cylinder 16 is connected to the top of the installation box 11, the grinding plate 17 is installed at the bottom discharge end of the grinding cylinder 10, and a plurality of blanking holes are opened on the grinding plate 17, and the guide column 18 is slidably installed in the middle of the grinding plate 17, and the top of the guide column 18 is connected to the bottom end of the grinding roller 15;

[0020] The material storage box 8 can be used to temporarily store the material, and there is no need for personnel to slowly put in the material. The material is guided by the guide block 9 to speed up the material input. The drive motor 4 is started to drive the rotating rod 5 to rotate, and the rotating rod 5 drives the spiral conveying blade 6 to rotate to transport the material downward. The speed at which the material enters the shell 1 can be controlled, and the speed of material grinding can be controlled. The material can be fed continuously to avoid the occurrence of uneven feeding. After the material enters the shell 1, it is guided to the gap between the grinding cylinder 10 and the middle of the grinding roller 15 through the cone at the top of the grinding roller 15. The drive motor 13 is started to change the speed. The device 12 drives the rotating shaft 14 to rotate, and the rotating shaft 14 drives the grinding roller 15 to rotate and grind the material by cooperating with the grinding cylinder 10. Starting the hydraulic cylinder 16 can push the installation box 11 to move up and down in the shell 1, thereby driving the grinding roller 15 to move up and down in the shell 1, and adjusting the size of the gap between the grinding roller 15 and the grinding cylinder 10. After the material particles fall onto the grinding plate 17, the bottom of the grinding roller 15 cooperates with the grinding plate 17 to grind the material again, and finally discharge it through the drop hole. When the grinding roller 15 moves, it drives the guide column 18 to slide on the grinding plate 17 to ensure stability during use.

[0021] Example 2

[0022] like Figure 3 and Figure 4 As shown, on the basis of Example 1, it also includes a guide ring 19 fixedly installed on the inner wall of the shell 1 above the grinding cylinder 10, a discharge hopper 20 fixedly installed at the bottom discharge port of the grinding cylinder 10, a conveyor 21 is installed at the inner bottom end of the shell 1 through a support leg 22, the right end of the conveyor 21 passes through the discharge port of the shell 1 and is located outside the shell 1, baffles 23 are installed at the front and rear ends of the conveyor 21, and a discharge plate 24 is installed at the right end of the conveyor 21;

[0023] The material added into the shell 1 is guided by the guide ring 19 to avoid material residue and improve the grinding efficiency. The ground material is discharged from the bottom drop hole of the grinding plate 17 and falls into the discharge hopper 20 to avoid the material from scattering everywhere. The material is collected by the discharge hopper 20 and falls onto the conveyor 21, and the material is output to the outside of the shell 1 through the conveyor 21. The baffle 23 can limit the material to prevent it from falling.

[0024] like Figures 1 to 5 As shown, the utility model is a grinding device for a concrete surface retarder. When working, the material is first added to the storage box 8 to realize temporary storage of the material. There is no need for personnel to slowly put in the material. The material is guided by the guide block 9 to speed up the material input. The drive motor 4 is started to drive the rotating rod 5 to rotate. The rotating rod 5 drives the spiral conveying blade 6 to rotate to transport the material downward, and the speed at which the material enters the shell 1 can be controlled. After the material enters the shell 1, the material added to the shell 1 is guided by the guide ring 19 to avoid material residue. At the same time, the material is guided to the gap between the grinding cylinder 10 and the middle of the grinding roller 15 in conjunction with the cone at the top of the grinding roller 15. The drive motor 13 is started to drive the transmission 1 2 drives the rotating shaft 14 to rotate, and the rotating shaft 14 drives the grinding roller 15 to rotate and grind the material by cooperating with the grinding cylinder 10. The hydraulic cylinder 16 is started to push the installation box 11 to move up and down in the shell 1, thereby driving the grinding roller 15 to move up and down in the shell 1, and adjusting the gap size between the grinding roller 15 and the grinding cylinder 10. After the material particles fall on the grinding plate 17, the bottom of the grinding roller 15 cooperates with the grinding plate 17 to grind the material again, and finally discharges it through the drop hole. The ground material is discharged from the drop hole at the bottom of the grinding plate 17 and falls into the discharge hopper 20. The material collected and guided by the discharge hopper 20 falls on the conveyor 21, and the material is output to the outside of the shell 1 through the conveyor 21.

[0025] The driving motor 4, the transmission 12, the driving motor 13 and the conveyor 21 of the grinding device for a concrete surface retarder of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A grinding device for a concrete surface retarder, characterized in that: The invention comprises a shell (1), a base (2), a feed assembly, a grinding mechanism and a guide assembly, wherein the base (2) is fixedly connected to the bottom end of the shell (1), a plurality of fixing holes are axially provided on the base (2), the feed assembly is mounted on the top of the shell (1), the grinding mechanism is mounted inside the shell (1), the guide assembly is mounted inside the shell (1), and a discharge port is provided on the right side wall of the shell (1); the feed assembly comprises two feed pipes (3), two drive motors (4), two rotating rods (5), two spiral conveying blades (6), two feed hoppers (7), and a storage box (8). and a material guide block (9), two feed pipes (3) are fixedly mounted at the left and right ends of the top of the shell (1), the top of the feed pipe (3) is connected to a feed hopper (7), the bottom of the feed pipe (3) is provided with a feed port, a drive motor (4) is mounted at the middle of the bottom end of the feed pipe (3), the output end of the drive motor (4) passes through the bottom end of the feed pipe (3) and is connected to a rotating rod (5), a spiral conveying blade (6) is fixedly mounted on the outer wall of the rotating rod (5), the bottom end of the storage box (8) is connected to the top end of the feed hopper (7), and the material guide block (9) is fixedly mounted at the middle of the bottom end of the storage box (8).

2. A grinding device for a concrete surface retarder as claimed in claim 1, characterized in that: The grinding mechanism comprises a grinding cylinder (10), an installation box (11), a transmission (12), a driving motor (13), a rotating shaft (14) and a grinding roller (15); the grinding cylinder (10) is fixedly mounted on the inner wall of a housing (1); the installation box (11) is located inside the housing (1); the transmission (12) is fixedly mounted inside the installation box (11); the input end of the transmission (12) is connected to the output end of the driving motor (13); the output end of the transmission (12) passes through the bottom end of the installation box (11) and is fixedly connected to the rotating shaft (14); the bottom of the rotating shaft (14) is fixedly connected to the grinding roller (15); the grinding roller (15) matches the grinding cylinder (10); and the upper part of the grinding roller (15) is arranged to be conical.

3. A grinding device for a concrete surface retarder as claimed in claim 2, characterized in that: The invention also comprises a hydraulic cylinder (16), a grinding plate (17) and a guide column (18), wherein the hydraulic cylinder (16) is fixedly mounted on the top of the housing (1), the bottom of the hydraulic cylinder (16) is connected to the top of the mounting box (11), the grinding plate (17) is mounted on the bottom discharge end of the grinding cylinder (10), a plurality of drop holes are provided on the grinding plate (17), the guide column (18) is slidably mounted on the middle of the grinding plate (17), and the top of the guide column (18) is connected to the bottom end of the grinding roller (15).

4. A grinding device for a concrete surface retarder as claimed in claim 2, characterized in that: The guide assembly comprises a guide ring (19) and a discharge hopper (20). The guide ring (19) is fixedly mounted on the inner wall of the housing (1) above the grinding cylinder (10), and the discharge hopper (20) is fixedly mounted at the bottom discharge port of the grinding cylinder (10).

5. The grinding device for a concrete surface retarder according to claim 1, characterized in that: The conveyor (21) further comprises a conveyor (21), a plurality of groups of legs (22), two baffles (23) and a discharge plate (24); the conveyor (21) is mounted at the inner bottom end of the housing (1) through the legs (22); the right end of the conveyor (21) passes through the discharge port of the housing (1) and is located outside the housing (1); baffles (23) are mounted at the front and rear ends of the conveyor (21); and the discharge plate (24) is mounted at the right end of the conveyor (21).

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