Building template polishing device

Abstract

The utility model relates to the field of building template polishing, in particular to a building template polishing device, which adopts the technical scheme that the building template polishing device comprises a machine body and a grinding cutter wheel, a motor is embedded in the machine body, a turntable is rotatably mounted on the bottom surface of the machine body, and the output end of the motor penetrates through the machine body and is fixedly connected with the turntable; a rotating disc is arranged on the machine body, a cutter wheel fixing structure is arranged on the side, away from the machine body, of the rotating disc, the cutter wheel fixing structure can grind a cutter wheel and can be installed on the rotating disc, a protective shell is fixedly installed on the bottom face of the machine body, and a metal wire mesh is fixedly bonded to the inner wall of the protective shell. The strength of the protective shell is enhanced, meanwhile, scattered fragments of the grinding cutter wheel can be twisted when the grinding cutter wheel is broken, and the impact force of the fragments of the grinding cutter wheel is buffered through self deformation of the metal wire mesh, so that the effects of intercepting the splashed fragments and protecting a user are achieved.

Description

Technical Field

[0001] The utility model relates to the field of building template grinding, in particular to a building template grinding device. Background Art

[0002] Building formwork is a temporary supporting structure, which is made according to the design requirements to shape the concrete structure and components according to the specified position and geometric size, maintain its correct position, and bear the deadweight of the building formwork and the external load acting on it. The purpose of formwork engineering is to ensure the quality and construction safety of concrete engineering, speed up the construction progress and reduce the engineering cost. The building formwork needs to be polished before use to ensure the smoothness of the concrete.

[0003] The prior art has the following deficiencies: For some hard-to-reach areas or corners, a handheld grinder can provide finer grinding control, and this tool can be used to repair local defects or adjust minor surface unevenness; but when the handheld grinder rotates at high speed, if the grinding wheel is damaged or used beyond its design life, it may break and produce flying fragments, which may cause eye or skin damage, or even serious injury.

[0004] Therefore, it is necessary to invent a kind of building template grinding device. Utility Model Content

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building template grinding device, comprising a body and a grinding wheel, a motor is embedded and installed inside the body, a turntable is rotatably installed on the bottom surface of the body, the output end of the motor passes through the body and is fixedly connected to the turntable, a wheel fixing structure is arranged on the side of the turntable away from the body, the wheel fixing structure can be used to grind the wheel and can be installed on the turntable, a protective shell is fixedly installed on the bottom surface of the body, a metal wire mesh is fixedly bonded to the inner wall of the protective shell, and the protective shell and the metal wire mesh can block broken grinding wheel fragments.

[0006] Preferably, a main grip is fixedly mounted on one end of the body, a trigger is provided on the main grip, and the trigger on the main grip is electrically connected to the motor.

[0007] Preferably, the protective shell is arranged on a side of the grinding wheel close to the main handle, the metal wire mesh is arranged around the outer side of the grinding wheel, and the side of the metal wire mesh close to the protective shell is bonded and attached to the inner wall of the protective shell.

[0008] Preferably, the cutter wheel fixing structure comprises a threaded column, the threaded column is fixedly mounted at the center of a side of the turntable away from the machine body, and the grinding cutter wheel can be sleeved and mounted on the outer wall of the threaded column.

[0009] Preferably, the cutter wheel fixing structure includes a fixing part, a threaded hole is provided on the bottom surface of the fixing part, and the threaded hole on the bottom surface of the fixing part can be threadedly installed on a threaded column. A threaded hole is also provided on the top surface of the fixing part, and the threaded hole on the top surface of the fixing part is through-connected with the threaded hole on the bottom surface of the fixing part.

[0010] Preferably, the cutter wheel fixing structure includes a retaining spring, an opening is provided at one end of the threaded column away from the turntable, small holes penetrating the threaded column are provided on both sides of the inner wall of the threaded column opening, the retaining spring is installed in the threaded column opening, and both ends of the retaining spring are inserted into the small holes on both sides of the inner wall of the threaded column opening.

[0011] Preferably, the cutter wheel fixing structure includes a fixing bolt, which is threadedly installed in a threaded hole on the top surface of the fixing piece, and the lower end of the fixing bolt can be inserted into the threaded column opening. An annular groove is provided on the inner wall of the threaded hole on the bottom surface of the fixing piece, and both ends of the retaining spring can pass through the small hole on the inner wall of the threaded column opening and be inserted into the annular groove on the inner wall of the threaded hole on the bottom surface of the fixing piece.

[0012] Preferably, threaded holes are provided on both sides of the machine body perpendicular to the main handle, and a secondary handle is threadedly installed in the threaded holes on the side surfaces of the machine body.

[0013] The beneficial effect of the utility model is that the metal wire mesh bonded to the inner wall of the protective shell not only strengthens the strength of the protective shell, but also can catch the flying grinding wheel fragments when the grinding wheel breaks, and cushion the impact force of the grinding wheel fragments through the deformation of the metal wire mesh itself, so as to intercept the flying fragments and protect the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of a building template grinding device provided by the utility model;

[0015] Figure 2 A cross-sectional view of a building template grinding device provided by the utility model;

[0016] Figure 3 An exploded view of a building template grinding device provided by the utility model;

[0017] Figure 4 This is a cross-sectional view of a building template grinding device provided by the utility model.

[0018] In the figure: a machine body 11, a main handle 12, an auxiliary handle 13, a motor 14, a turntable 15, a threaded column 16, a grinding wheel 17, a fixing part 18, a fixing bolt 19, a retaining spring 20, a protective shell 21, and a metal wire mesh 22. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example 1

[0021] like Figure 1 - Figure 3 As shown, a building template grinding device in an embodiment of the first aspect of the utility model includes a body 11 and a grinding wheel 17, a motor 14 is embedded and installed inside the body 11, a turntable 15 is rotatably installed on the bottom surface of the body 11, the output end of the motor 14 passes through the body 11 and is fixedly connected to the turntable 15, a turntable 15 is provided with a wheel fixing structure on the side away from the body 11, the wheel fixing structure can grind the wheel 17 and can be installed on the turntable 15, a protective shell 21 is fixedly installed on the bottom surface of the body 11, a metal wire mesh 22 is fixedly bonded to the inner wall of the protective shell 21, and the protective shell 21 and the metal wire mesh 22 can block the broken fragments of the grinding wheel 17.

[0022] In the above embodiment, it should be noted that the grinding wheel 17 is installed on the turntable 15 through the wheel fixing structure, and then the motor 14 is started to drive the turntable 15 to drive the grinding wheel 17 to rotate at high speed, and finally the surface of the grinding wheel 17 is brought close to the building formwork to achieve the effect of grinding the building formwork; the metal wire mesh 22 bonded to the inner wall of the protective shell 21 not only strengthens the strength of the protective shell 21, but also can catch the flying fragments of the grinding wheel 17 when the grinding wheel 17 breaks, and through the deformation of the metal wire mesh 22 itself, cushion the impact force of the grinding wheel 17 fragments, so as to intercept the flying fragments and protect the user.

[0023] Example 2

[0024] like Figure 1 As shown, a building template grinding device includes all the contents of Example 1. In addition, a main handle 12 is fixedly installed at one end of the body 11, and a trigger is provided on the main handle 12. The trigger on the main handle 12 is electrically connected to the motor 14. The body 11 is provided with threaded holes on both sides perpendicular to the main handle 12, and a secondary handle 13 is threadedly installed in the threaded hole on the side of the body 11.

[0025] In the above embodiment, it should be noted that pulling the trigger can supply power to the motor 14 to start it, and holding the main handle 12 and the auxiliary handle 13 can assist the user to grind the grinding wheel 17 closer to the surface of the building formwork more stably.

[0026] Example 3

[0027] like Figure 1 - Figure 3As shown, a building template grinding device includes all the contents of Example 2. In addition, the protective shell 21 is arranged on the side of the grinding wheel 17 close to the main handle 12, and the metal wire mesh 22 is arranged around the outside of the grinding wheel 17. The side of the metal wire mesh 22 close to the protective shell 21 is bonded and covered on the inner wall of the protective shell 21.

[0028] In the above embodiment, it should be noted that the portion of the metal mesh 22 bonded to the inner wall of the protective shell 21 can well strengthen the strength of the protective shell 21 and improve the protective ability of the protective shell 21. The diameters of the protective shell 21 and the metal mesh 22 are both larger than the diameter of the grinding wheel 17.

[0029] Example 4

[0030] like Figure 1 - Figure 4 As shown, a building template grinding device includes all the contents of Example 2. In addition, the cutter wheel fixing structure includes a threaded column 16, and the threaded column 16 is fixedly installed on the center of the side of the turntable 15 away from the body 11. The grinding wheel 17 can be sleeved and installed on the outer wall of the threaded column 16. The cutter wheel fixing structure includes a fixing member 18, and the bottom surface of the fixing member 18 is provided with a threaded hole. The threaded hole on the bottom surface of the fixing member 18 can be threadedly installed on the threaded column 16. The top surface of the fixing member 18 is also provided with a threaded hole. The threaded hole on the top surface of the fixing member 18 is connected with the threaded hole on the bottom surface of the fixing member 18. The cutter wheel fixing structure includes a retaining spring 20, and the threaded column 1 An opening is provided at one end away from the rotating disk 15, and small holes penetrating the threaded column 16 are provided on both sides of the inner wall of the opening of the threaded column 16. The retaining ring 20 is installed in the opening of the threaded column 16, and both ends of the retaining ring 20 are inserted into the small holes on both sides of the inner wall of the opening of the threaded column 16. The cutter wheel fixing structure includes a fixing bolt 19, and the fixing bolt 19 is threadedly installed in the threaded hole on the top surface of the fixing member 18. The lower end of the fixing bolt 19 can be inserted into the opening of the threaded column 16. An annular groove is provided on the inner wall of the threaded hole on the bottom surface of the fixing member 18, and both ends of the retaining ring 20 can pass through the small holes on the inner wall of the opening of the threaded column 16 and be inserted into the annular groove on the inner wall of the threaded hole on the bottom surface of the fixing member 18.

[0031] In the above embodiment, it should be noted that the diameter of the threaded column 16 is smaller than the inner diameter of the threaded hole on the bottom surface of the fixing member 18, the inner diameter of the threaded hole on the bottom surface of the fixing member 18 is larger than the inner diameter of the threaded hole on the top surface of the fixing member 18, the inner diameter of the threaded hole on the top surface of the fixing member 18 is equal to the inner diameter of the opening of the threaded column 16, and the diameter of the fixing bolt 19 is smaller than the inner diameter of the threaded hole on the top surface of the fixing member 18; in the initial state, the two ends of the retaining spring 20 are contracted to the small holes on both sides of the inner wall of the opening of the threaded column 16, and after the grinding wheel 17 is installed on the outer wall of the threaded column 16, by threading the fixing member 18 on the screw The outer wall of the threaded column 16 is pressed against the grinding wheel 17, and then the fixing bolt 19 is turned to insert it downward into the opening of the threaded column 16. The fixing bolt 19 presses the top of the retaining spring 20 downward, so that the two ends of the retaining spring 20 pass through the small holes on the inner wall of the opening of the threaded column 16 and are inserted into the annular groove on the inner wall of the threaded hole on the bottom surface of the fixing member 18, so as to achieve the effect of fixing the grinding wheel 17. At the same time, the centrifugal force generated by the rotation of the grinding wheel 17 and the turntable 15 can make the two ends of the retaining spring 20 stably inserted into the annular groove, eliminating the possibility of the fixing member 18 falling off due to rotation.

[0032] The use process of the utility model is as follows: a technician in this field installs the grinding wheel 17 on the outer wall of the threaded column 16, then threadably installs the fixing piece 18 on the outer wall of the threaded column 16 and presses the grinding wheel 17, then screws the fixing bolt 19 to make it insert downward into the opening of the threaded column 16, and the fixing bolt 19 presses the top of the retaining spring 20 downward, so that the two ends of the retaining spring 20 pass through the small holes on the inner wall of the opening of the threaded column 16 and are inserted into the annular grooves on the inner wall of the threaded hole on the bottom surface of the fixing piece 18 to fix and install the grinding wheel 17, then holds the main grip 12 and the auxiliary grip 13, pulls the trigger to start the motor 14 to drive the turntable 15 to drive the grinding wheel 17 to rotate at high speed, and finally brings the surface of the grinding wheel 17 close to the building template to achieve the effect of grinding the building template. When the grinding wheel 17 is broken, the metal wire mesh 22 can entangle the scattered grinding wheel 17 fragments, and through the deformation of the metal wire mesh 22 itself, the impact force of the grinding wheel 17 fragments is buffered, thereby protecting the user.

[0033] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A building template grinding device, comprising a body (11) and a grinding wheel (17), wherein a motor (14) is embedded and installed inside the body (11), a turntable (15) is rotatably installed on the bottom surface of the body (11), an output end of the motor (14) passes through the body (11) and is fixedly connected to the turntable (15), characterized in that: A cutter wheel fixing structure is provided on a side of the turntable (15) away from the machine body (11); the cutter wheel fixing structure is capable of grinding the cutter wheel (17) and can be mounted on the turntable (15); a protective shell (21) is fixedly mounted on the bottom surface of the machine body (11); a metal wire mesh (22) is fixedly bonded to the inner wall of the protective shell (21); the protective shell (21) and the metal wire mesh (22) are capable of blocking broken fragments of the grinding cutter wheel (17).

2. A building template grinding device according to claim 1, characterized in that: A main grip (12) is fixedly mounted on one end of the machine body (11), a trigger is arranged on the main grip (12), and the trigger on the main grip (12) is electrically connected to the motor (14).

3. A building template grinding device according to claim 2, characterized in that: The protective shell (21) is arranged on a side of the grinding wheel (17) close to the main handle (12), the metal wire mesh (22) is arranged around the outer side of the grinding wheel (17), and the side of the metal wire mesh (22) close to the protective shell (21) is bonded to the inner wall of the protective shell (21).

4. A building template grinding device according to claim 1, characterized in that: The cutter wheel fixing structure comprises a threaded column (16), wherein the threaded column (16) is fixedly mounted at the center of a side of the turntable (15) away from the machine body (11), and the grinding cutter wheel (17) can be sleeved and mounted on the outer wall of the threaded column (16).

5. A building template grinding device according to claim 4, characterized in that: The cutter wheel fixing structure comprises a fixing member (18), a threaded hole is arranged on the bottom surface of the fixing member (18), the threaded hole on the bottom surface of the fixing member (18) can be threadedly mounted on the threaded column (16), a threaded hole is also arranged on the top surface of the fixing member (18), and the threaded hole on the top surface of the fixing member (18) is through-connected with the threaded hole on the bottom surface of the fixing member (18).

6. A building template grinding device according to claim 5, characterized in that: The cutter wheel fixing structure includes a retaining spring (20), an end of the threaded column (16) away from the turntable (15) is provided with an opening, small holes penetrating the threaded column (16) are provided on both sides of the inner wall of the threaded column (16) opening, the retaining spring (20) is installed in the threaded column (16) opening, and both ends of the retaining spring (20) are inserted into the small holes on both sides of the inner wall of the threaded column (16) opening.

7. A building template grinding device according to claim 6, characterized in that: The cutter wheel fixing structure comprises a fixing bolt (19), wherein the fixing bolt (19) is threadedly mounted in a threaded hole on the top surface of the fixing member (18), and the lower end of the fixing bolt (19) can be inserted into an opening of a threaded column (16), and an annular groove is provided on the inner wall of the threaded hole on the bottom surface of the fixing member (18), and the two ends of the retaining spring (20) can pass through the small hole on the inner wall of the opening of the threaded column (16) and be inserted into the annular groove on the inner wall of the threaded hole on the bottom surface of the fixing member (18).

8. A building template grinding device according to claim 2, characterized in that: The machine body (11) is provided with threaded holes on both sides perpendicular to the main handle (12), and a secondary handle (13) is threadedly installed in the threaded holes on the side surfaces of the machine body (11).

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