Ground grinding machine

Abstract

The utility model relates to the technical field of ground grinding machines, and discloses a ground grinding machine which comprises a handle, a connecting frame is arranged on the surface of the handle, a handle fixing frame and a connecting frame are arranged at one end of the connecting frame, and the handle fixing frame, a support, an electric box, a frequency conversion controller and a shell are reasonable in structure. A handle is fixed to a handle fixing frame through a connecting frame, the position of the handle is adjusted through the position of an adjusting hole, a servo motor is controlled through cooperation of a switch and an electric switch, the servo motor drives a motor belt wheel, the motor belt wheel drives a grinding belt wheel through a transmission belt, the grinding belt wheel drives grinding equipment, and a balancing weight plays a gravity role. The hanging frame is externally connected with a dust suction machine, the dust suction machine is matched with a dust suction pipeline, and a hollow pipe on the bottom plate is matched with the dust suction pipeline, so that internal air flows, the air collides with the grinding equipment, dust attached to the surface of the grinding equipment is impacted down, and the dust suction machine is matched to suck away the dust.

Description

Technical Field

[0001] The utility model relates to the technical field of floor grinders, in particular to a floor grinder. Background Art

[0002] The floor grinder is mainly used for grinding concrete, stone, terrazzo, and epoxy floors. It can effectively grind terrazzo, concrete surface, epoxy mortar layer, and old epoxy floors. It is lightweight, flexible, and highly efficient. It is equipped with a vacuum cleaner socket that can be directly connected to the grinder to achieve a dust-free effect during operation. It is an ideal equipment for floor engineering processing.

[0003] However, the grinding effect of existing equipment is limited and can only be used for a single hardness. With the development of society, the types of existing concrete hardness are increasing. The grinding efficiency of using existing equipment is low, and the existing equipment will make people's hands tired after working for a long time, and it is inconvenient to adjust. Therefore, a utility model is proposed to solve the above problems. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a floor grinder, which solves the problem of low efficiency when the grinder grinds concrete floors with high hardness.

[0006] (2) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a floor grinder, comprising a handle, a connecting frame is provided on the surface of the handle, a handle fixing frame is provided at one end of the connecting frame, a bracket is plugged into the lower surface of the handle fixing frame, the internal thread of the bracket is connected to the electric box, a frequency conversion controller is provided inside the electric box, the lower surface of the bracket is connected to the shell, a servo motor is provided on the upper surface of the shell, a motor pulley is plugged into the lower end of the servo motor, a transmission belt is provided on the surface of the motor pulley, a grinding pulley is provided inside the transmission belt, a grinding device is plugged into the lower end of the grinding pulley, a baffle is provided on the surface of the grinding device, a bottom plate is provided on the upper surface of the grinding device, an iron pipe is sleeved inside the shell, and tires are provided at both ends of the iron pipe;

[0008] The grinding equipment includes a grinding fixed frame and a shaft, a transmission plate, a grinding transmission plate, and a grinding plate. The shaft is inserted into the fixed frame, and a transmission plate is provided at the lower end of the shaft. The transmission plate is bolted to the grinding transmission plate, and the grinding transmission plate thread passes through the grinding plate.

[0009] Optionally, a hanging bracket is provided on one side of the bracket, and a dust extraction duct is provided inside the baffle.

[0010] Optionally, a buckle is provided on one side of the bottom plate, the buckle on one side of the bottom plate is connected to the baffle, and an empty tube is provided on the surface of the bottom plate.

[0011] Optionally, an air inlet is provided at one end of the electric box, a connection hole is provided on one side of the electric box, an air outlet is provided at the other end of the electric box, and an electric switch is provided inside the electric box.

[0012] Optionally, a rubber hose is plugged into the upper surface of the electrical box, one end of the rubber hose is plugged into the main controller, and a switch is plugged into the upper surface of the main controller. The switch is mainly divided into three parts: opening and closing, gear position, and emergency stop. The connecting frame is connected to the switch by bolts.

[0013] Optionally, a counterweight is provided on the upper surface of the shell, and a U-shaped tube is plugged into the upper surface of the shell.

[0014] Optionally, an empty tube is inserted into the upper surface of the bracket, and an electric lamp is provided on the upper surface of the empty tube.

[0015] Optionally, a plurality of holes are provided on one side of the connecting frame, and a buckle is provided on one side of the handle fixing frame.

[0016] Optionally, three connecting columns protrude from the lower surface of the transmission plate, and the lower ends of the connecting columns are adapted to the grinding transmission plate.

[0017] In summary, the technical effects and advantages of the utility model are:

[0018] 1. The utility model has a reasonable structure. The handle is fixed to the handle fixing frame through a connecting frame. There are multiple holes on the connecting frame. The position of the handle is adjusted by adjusting the position of the hole. The servo motor is controlled by cooperating with the switch and the electric switch. The servo motor drives the motor pulley, and the motor pulley drives the grinding pulley through the transmission belt. The grinding pulley drives the grinding equipment. The counterweight block plays a role of gravity, so that the front part exerts force downward to achieve the grinding effect. The bracket is externally connected to the dust extractor, and the dust extractor cooperates with the dust extraction pipe. The empty pipe on the bottom plate cooperates with the dust extraction pipe to make the internal air flow, and when the air enters the interior through the empty pipe on the bottom plate, the air collides with the grinding equipment, and the dust attached to the surface of the grinding equipment is knocked down and sucked away with the help of the dust extractor.

[0019] 2. In the utility model, the speed of the servo motor is controlled by the gear position on the switch and the frequency conversion controller. This device can handle the ground with very high concrete strength. The bracket is externally connected to a vacuum cleaner, which cooperates with the vacuum pipe to extract the dust inside. The empty pipe on the bottom plate cooperates with the vacuum pipe to make the internal air flow. When the air enters the interior through the empty pipe, the air collides with the grinding equipment, knocking down the dust attached to the surface of the grinding equipment and sucking it away with the vacuum cleaner. The vacuum cleaner is outside, which makes cleaning or replacement faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the support structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the servo motor of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the electric box of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the leather wheel of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the grinding equipment of this utility model.

[0026] In the figure: 1. handle; 2. connecting frame; 3. handle fixing frame; 4. bracket; 5. electrical box; 6. frequency converter; 7. housing; 8. servo motor; 9. motor pulley; 10. transmission belt; 11. grinding pulley; 12. grinding equipment; 13. baffle; 14. bottom plate; 15. iron pipe; 16. tire; 17. hanging frame; 18. dust extraction duct; 19. buckle; 20. air inlet; 21. connecting hole; 22. air outlet; 23. switch; 24. rubber hose; 25. main controller; 26. switch; 27. counterweight; 28. U-shaped tube; 29. ​​electric light; 1201. grinding fixing frame; 1202. shaft; 1203. transmission plate; 1204. grinding transmission plate; 1205. grinding plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example: Reference Figures 1-6The floor grinder shown in the figure includes a handle 1, a connecting frame 2 is provided on the surface of the handle 1, a handle fixing frame 3 is provided at one end of the connecting frame 2, a bracket 4 is plugged into the lower surface of the handle fixing frame 3, the internal thread of the bracket 4 is connected to the electric box 5, a frequency conversion controller 6 is provided inside the electric box 5, the lower surface of the bracket 4 is connected to the shell 7, the upper surface of the shell 7 is provided with a servo motor 8, the lower end of the servo motor 8 is plugged into the motor pulley 9, the surface of the motor pulley 9 is provided with a transmission belt 10, the interior of the transmission belt 10 is provided with a grinding pulley 11, the lower end of the grinding pulley 11 is plugged into the grinding device 12, the surface of the grinding device 12 is bolted to a baffle 13, the upper surface of the grinding device 12 is provided with a bottom plate 14, the interior of the shell 7 is sleeved with an iron pipe 15, and tires 16 are provided at both ends of the iron pipe 15;

[0029] The grinding equipment 12 includes a grinding fixed frame 1201 and a shaft 1202, a transmission plate 1203, a grinding transmission plate 1204, and a grinding plate 1205. The shaft 1202 is inserted into the grinding fixed frame 1201, and a transmission plate 1203 is provided at the lower end of the shaft 1202. The transmission plate 1203 is bolted to the grinding transmission plate 1204, and the grinding transmission plate 1204 is threaded through the grinding plate 1205.

[0030] As a preferred implementation in this embodiment, Figure 1-Figure 5As shown, the surface of the handle 1 is provided with a connecting frame 2, one end of the connecting frame 2 is provided with a handle fixing frame 3, the lower surface of the handle fixing frame 3 is plugged with a bracket 4, the internal thread of the bracket 4 is connected to the electric box 5, the interior of the electric box 5 is provided with a frequency conversion controller 6, the lower surface of the bracket 4 is connected to the shell 7, the upper surface of the shell 7 is provided with a servo motor 8, the lower end of the servo motor 8 is plugged with a motor pulley 9, the surface of the motor pulley 9 is provided with a transmission belt 10, the interior of the transmission belt 10 is provided with a grinding pulley 11, the electric box 5 One end of the electric box 5 is provided with an air inlet 20, one side of the electric box 5 is provided with a connection hole 21, the other end of the electric box 5 is provided with an air outlet 22, an electric switch 23 is provided inside the electric box 5, the upper surface of the electric box 5 is plugged with a rubber hose 24, one end of the rubber hose 24 is plugged with a main controller 25, the upper surface of the main controller 25 is plugged with a switch 26, the switch 26 is mainly divided into three parts: opening and closing, gear position, and emergency stop, the connecting frame 2 is connected to the switch 26 by bolts, the upper surface of the bracket 4 is plugged with an empty pipe, and the upper surface of the empty pipe is provided with an electric light 29. A plurality of holes are provided on one side of the connecting frame 2, and a buckle is provided on one side of the handle fixing frame 3. During use, the handle 1 is fixed to the handle fixing frame 3 through the connecting frame 2. The connecting frame 2 has a plurality of holes. The position of the handle 1 is adjusted by adjusting the position of the holes. After the adjustment is completed, it is fixed by the buckle of the handle fixing frame 3. The servo motor 8 is controlled by the cooperation of the switch 26 and the electric switch 23. The speed of the servo motor is controlled by the gear position on the switch 26 and the frequency converter 6. This device can handle floors with very high concrete strength. The electrical box 5 protects the internal frequency converter 6 and the electric switch 23. The surface of the electrical box 5 is provided with an air inlet 20 and an air outlet 22. This design allows the temperature inside the electrical box 5 to achieve a circulation effect, thereby reducing the internal temperature. A rubber hose 24 is provided on the upper surface of the electrical box 5. The rubber hose 24 protects the connection line between the electrical box 5 and the main controller 25. The servo motor 8 drives the motor pulley 9, and the motor pulley 9 drives the grinding pulley 11 through the transmission belt 10. The electric light 29 can be turned on when working at night to increase night observation.

[0031] like Figures 1-6As shown, in this embodiment, the lower end of the grinding pulley 11 is plugged into the grinding device 12, the surface of the grinding device 12 is bolted to the baffle 13, the upper surface of the grinding device 12 is provided with a bottom plate 14, the inner sleeve of the shell 7 is connected to the iron pipe 15, and tires 16 are provided at both ends of the iron pipe 15. The grinding device 12 includes a grinding fixed frame 1201 and a shaft 1202, a transmission plate 1203, a grinding transmission sheet 1204, and a grinding sheet 1205. The shaft 1202 is plugged into the grinding fixed frame 1201, and the lower end of the shaft 1202 is provided with a transmission plate 1203. The transmission plate 1203 is bolted to the grinding transmission plate 1204, and the grinding transmission plate 1204 is threaded through the grinding plate 1205. A hanger 17 is provided on one side of the bracket 4. A dust extraction pipe 18 is provided inside the baffle 13. A buckle 19 is provided on one side of the bottom plate 14. The buckle on one side of the bottom plate 14 is connected to the baffle 13. An empty pipe is provided on the surface of the bottom plate 14. A counterweight 27 is provided on the upper surface of the shell 7. A U-shaped tube 28 is plugged into the upper surface of the shell 7. Three connecting columns protrude from the lower surface of the transmission plate 1203. The lower end of the connecting column is connected to the grinding transmission plate 120 4 are adapted to each other. During use, the baffle 13 protects the upper end of the grinding device 12 to prevent dust from entering the shaft 1202. The outer shell 7 prevents dust from entering the interior from the outside. The iron pipe 15 and the outer tire 16 can be moved together. The bracket 17 is connected to an external dust extractor, which cooperates with the dust extraction pipe 18 to clean the internal dust. The empty pipe on the bottom plate 14 cooperates with the dust extraction pipe 18 to allow internal air to flow. When the air enters the interior through the empty pipe on the bottom plate 14, the air collides with the grinding device 12, knocking down the dust attached to the surface of the grinding device 12. , cooperate with the vacuum cleaner to suck away, the cooperation of the counterweight block 27 and the U-shaped tube 28 prevents the counterweight block 27 from falling down, so that the counterweight block 27 plays a role of gravity, and the grinding equipment 12 drives the shaft 1202 through the grinding pulley, the shaft 1202 drives the transmission plate 1203, the transmission plate 1203 drives the grinding transmission plate 1204, and the grinding transmission plate 1204 drives the grinding sheet 1205 to rotate the grinding sheet 1205. There are three protrusions on the lower surface of the transmission plate 1203, and the three protrusions are connected to the grinding transmission sheet 1204, so that the grinding transmission sheet 1204 can move up and down.

[0032] This utility works as follows:

[0033] The handle 1 is fixed to the handle fixing frame 3 through the connecting frame 2. There are multiple holes on the connecting frame 2. The position of the handle 1 can be adjusted by adjusting the position of the holes. After the adjustment, it is fixed by the buckle of the handle fixing frame 3. The servo motor 8 is controlled by the cooperation of the switch 26 and the electric switch 23. The speed of the servo motor is controlled by the gear position on the switch 26 and the frequency conversion controller 6. This device can handle the ground with very high concrete strength. The electric box 5 plays a protective role for the internal frequency conversion controller 6 and the electric switch 23. The surface of the electric box 5 is provided with an air inlet 20 and an air outlet 22. This design makes the temperature inside the electric box 5 reach a circulation effect, reducing the internal temperature. The upper surface of the electric box 5 is provided with a rubber hose 24. The rubber hose 24 plays a protective role for the connection line between the electric box 5 and the main controller 25. The servo motor 8 drives the motor pulley 9. The motor pulley 9 drives the grinding pulley 11 through the transmission belt 10. The electric light 29 can be turned on when working at night to increase night observation. The baffle 13 protects the upper end of the grinding equipment 12 to prevent dust from entering the shaft 1202. The shell 7 prevents dust from entering the interior from the outside. It can be moved by cooperating with the iron pipe 15 and the outer tire 16. The bracket 17 is connected to the dust extractor. The dust extractor cooperates with the dust extraction pipe 18 to clean the internal dust. The empty pipe on the bottom plate 14 cooperates with the dust extraction pipe 18 to allow the internal air to flow. When the air enters the interior through the empty pipe on the bottom plate 14, the air collides with the grinding equipment 12, and the dust attached to the surface of the grinding equipment 12 is impacted and sucked away by the dust extractor. The cooperation between the counterweight block 27 and the U-shaped tube 28 prevents the counterweight block 27 from falling. Down, the counterweight block 27 plays a role of gravity, and the grinding equipment 12 drives the shaft 1202 through the grinding pulley, and the shaft 1202 drives the transmission plate 1203, and the transmission plate 1203 drives the grinding transmission plate 1204. There are three protrusions on the lower surface of the transmission plate 1203, and the three protrusions are connected to the grinding transmission plate 1204. This design can make the grinding transmission plate 1204 and the grinding plate 1205 swing a small distance to protect the grinding plate 1205. The grinding transmission plate 1204 drives the grinding plate 1205 to make the grinding plate rotate.

[0034] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A floor grinder, comprising a handle (1), characterized in that: The handle (1) is provided with a connecting frame (2) on its surface, a handle fixing frame (3) is provided at one end of the connecting frame (2), a bracket (4) is plugged into the lower surface of the handle fixing frame (3), the inner thread of the bracket (4) is connected to the electric box (5), a frequency conversion controller (6) is provided inside the electric box (5), the lower surface of the bracket (4) is connected to the housing (7), the upper surface of the housing (7) is provided with a servo motor (8), the lower end of the servo motor (8) is plugged into the motor pulley (9), the surface of the motor pulley (9) is provided with a transmission belt (10), the interior of the transmission belt (10) is provided with a grinding pulley (11), the lower end of the grinding pulley (11) is plugged into the grinding device (12), the surface of the grinding device (12) is bolted to the baffle (13), the upper surface of the grinding device (12) is provided with a bottom plate (14), the interior of the housing (7) is sleeved with an iron pipe (15), and tires (16) are provided at both ends of the iron pipe (15); The grinding device (12) comprises a grinding fixed frame (1201), a shaft (1202), a transmission plate (1203), a grinding transmission plate (1204), and a grinding plate (1205); the shaft (1202) is plugged into the fixed frame (1201); the transmission plate (1203) is provided at the lower end of the shaft (1202); the transmission plate (1203) is bolted to the grinding transmission plate (1204); and the grinding transmission plate (1204) is threadedly passed through the grinding plate (1205).

2. A floor grinder according to claim 1, characterized in that: A hanging bracket (17) is provided on one side of the bracket (4), and a dust extraction pipe (18) is provided inside the baffle (13).

3. A floor grinder according to claim 1, characterized in that: A buckle (19) is provided on one side of the bottom plate (14), and the buckle on one side of the bottom plate (14) is connected to the baffle (13). An empty tube is provided on the surface of the bottom plate (14).

4. A floor grinder according to claim 1, characterized in that: An air inlet (20) is provided at one end of the electric box (5), a connection hole (21) is provided at one side of the electric box (5), an air outlet (22) is provided at the other end of the electric box (5), and an electric switch (23) is provided inside the electric box (5).

5. A floor grinder according to claim 1, characterized in that: The upper surface of the electric box (5) is plugged with a rubber hose (24), one end of the rubber hose (24) is plugged with a master controller (25), and the upper surface of the master controller (25) is plugged with a switch (26). The switch (26) is mainly divided into three parts: opening and closing, gear position, and emergency stop. The connecting frame (2) is connected to the switch (26) by bolts.

6. A floor grinder according to claim 1, characterized in that: A counterweight (27) is provided on the upper surface of the shell (7), and a U-shaped tube (28) is plugged into the upper surface of the shell (7).

7. A floor grinder according to claim 1, characterized in that: An empty tube is inserted into the upper surface of the bracket (4), and an electric lamp (29) is provided on the upper surface of the empty tube.

8. The floor grinder according to claim 1, characterized in that: One side of the connecting frame (2) is provided with a plurality of holes, and one side of the handle fixing frame (3) is provided with a buckle.

9. A floor grinder according to claim 1, wherein three connecting columns protrude from the lower surface of the transmission plate (1203), and the lower ends of the connecting columns are adapted to fit with the grinding transmission plate (1204).

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