Handheld plate grinding device

Abstract

The handheld plate polishing device comprises a mounting frame, a motor is mounted at the lower end of the mounting frame, a threaded mounting block is fixedly connected to the lower end of the motor, a mounting plate is mounted on the outer wall of the threaded mounting block in a sleeved mode, and a threaded mounting groove is formed in the center of the upper end of the mounting plate; and a reset rotating shaft is mounted on the edge of the upper end of the mounting plate, a clamping block is fixedly connected to one side of the reset rotating shaft, and polishing abrasive paper is mounted on the outer wall of the mounting plate in a sleeving mode. According to the handheld plate grinding device, two-side suction can be conducted through the suction opening and the suction guide pipe, powder can be conveniently sucked and removed during grinding, dust raising is avoided, the motor can drive the mounting plate and grinding abrasive paper to conduct reciprocating grinding, the effect is better, the mounting plate can be rapidly and spirally disassembled and assembled through a threaded mounting groove and a threaded mounting block, and the machining efficiency is improved. And the polishing abrasive paper can be stably clamped through the clamping block and the reset rotating shaft, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to a handheld plate grinding device. Background Art

[0002] Sanding machines are equipment suitable for cleaning, deburring, leveling and polishing large surfaces of machinery, building decoration, furniture painting, etc. With the continuous innovation of sanding machines, sanding disc styles have also become various, and handheld sanders are one of them. Handheld sanders are also often used for polishing plates.

[0003] The existing CN220680368U multifunctional hand-held sanding machine is provided with a nut and a screw rod. Before use, the position of the nut is adjusted according to the thickness of the plate, and then the plate is sanded by the sanding machine body. After grinding to a certain extent, the entire connecting rod will be restricted by the nut and cannot move downward, so that the slide and the sanding machine body cannot move downward, and the phenomenon of excessive grinding causing unevenness will not occur. However, there are shortcomings. The existing equipment cannot perform fast and stable dust absorption, which is easy to cause dust, and the rotary grinding effect is not good. Moreover, the grinding consumables cannot be replaced quickly and stably, and it is inconvenient to use. Therefore, a hand-held plate grinding device is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a handheld plate grinding device to solve the problems that the multifunctional handheld sander mentioned in the above background technology cannot perform fast and stable dust absorption, easily causes dust, and the rotary grinding effect is poor, and the grinding consumables cannot be replaced quickly and stably, which is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld plate grinding device, comprising a mounting frame, a holding handle fixedly connected to the upper end of the mounting frame, and a connecting wire is electrically connected to one side of the holding handle, a splicing slot is fixedly connected to the front and rear sides of the mounting frame, and a suction duct is connected and installed at the upper end of the splicing slot, a splicing block is plugged and installed on the inner wall of the splicing slot, and a suction port is connected and installed at the lower end of the splicing block, a motor is installed at the lower end of the mounting frame, and a threaded mounting block is fixedly connected to the lower end of the motor, a mounting plate is sleeved and installed on the outer wall of the threaded mounting block, and a threaded mounting groove is opened at the center of the upper end of the mounting plate, the threaded mounting block is inserted and installed in the threaded mounting groove, a reset shaft is installed on the upper edge of the mounting plate, and a clamping block is fixedly connected to one side of the reset shaft, and a grinding sandpaper is sleeved and installed on the outer wall of the mounting plate.

[0006] Preferably, the mounting frame and the holding handle are vertically arranged, and the holding handle is an inclined cylindrical structure, and the surface of the holding handle is made of a non-slip sponge material.

[0007] Preferably, the mounting plate reciprocates with the mounting frame via a motor.

[0008] Preferably, the mounting plate is installed in a spiral manner with the motor in the threaded mounting groove through a threaded mounting block.

[0009] Preferably, the suction port is connected to the suction duct for suction communication, and the suction port is symmetrically distributed on both sides of the mounting frame, and the suction port is installed by plugging and splicing the splicing plug block and the splicing slot.

[0010] Preferably, the sandpaper is clamped and installed with a clamp block and a mounting plate, and the clamp block is reset and flippedly connected with the mounting plate through a reset shaft, and the clamp block and the reset shaft are distributed in a rectangular position on the mounting plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the handheld plate grinding device can perform suction on both sides through the suction port and the suction duct, which is convenient for sucking away powder during grinding to avoid dust, and the motor can drive the mounting plate and the grinding sandpaper to perform reciprocating grinding, which has a better effect, and the mounting plate can be quickly spirally disassembled and assembled through the threaded mounting groove and the threaded mounting block, and the grinding sandpaper can be stably clamped by the clamping block and the reset shaft, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a handheld plate grinding device of the utility model;

[0013] Figure 2 This is a cross-sectional view of a handheld plate grinding device of the utility model;

[0014] Figure 3 The utility model is a handheld plate grinding device Figure 2 Enlarged view of point A in the middle;

[0015] Figure 4 The utility model is a handheld plate grinding device Figure 2 Enlarged view of point B in the middle;

[0016] Figure 5 The utility model is a handheld plate grinding device Figure 2 Enlarged view of center C.

[0017] In the figure: 1. mounting frame, 2. holding handle, 3. connecting wire, 4. suction duct, 5. mounting plate, 6. suction port, 7. clamping block, 8. reset shaft, 9. grinding sandpaper, 10. splicing slot, 11. splicing plug-in block, 12. motor, 13. threaded mounting groove, 14. threaded mounting block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 The utility model provides a technical solution: a handheld plate grinding device, including a mounting frame 1, a gripping handle 2, a connecting wire 3, a suction duct 4, a mounting plate 5, a suction port 6, a clamping block 7, a reset shaft 8, a grinding sandpaper 9, a splicing slot 10, a splicing plug-in block 11, a motor 12, a threaded mounting groove 13 and a threaded mounting block 14, the upper end of the mounting frame 1 is fixedly connected to the gripping handle 2, and one side of the gripping handle 2 is electrically connected to the connecting wire 3, the mounting frame 1 and the gripping handle 2 are distributed in a vertical position, and the gripping handle 2 is an inclined cylindrical structure, and the surface of the gripping handle 2 is made of non-slip sponge material, so that the device can be held more stably and comfortably through the gripping handle 2, and is more convenient to use.

[0020] The front and rear sides of the mounting frame 1 are fixedly connected with a splicing slot 10, and the upper end of the splicing slot 10 is connected and installed with a suction duct 4, a splicing plug block 11 is inserted and installed on the inner wall of the splicing slot 10, and a suction port 6 is connected and installed at the lower end of the splicing plug block 11, the suction port 6 is connected with the suction duct 4 for suction, and the suction port 6 is symmetrically distributed on both sides of the mounting frame 1, and the suction port 6 is inserted and spliced ​​with the splicing slot 10 through the splicing plug block 11, so that the suction port 6 can be symmetrically sucked through the suction duct 4, thereby facilitating the removal of dust and avoiding dust.

[0021] A motor 12 is installed at the lower end of the mounting frame 1, and a threaded mounting block 14 is fixedly connected to the lower end of the motor 12. A mounting plate 5 is mounted on the outer wall of the threaded mounting block 14, and a threaded mounting groove 13 is provided at the center position of the upper end of the mounting plate 5. The mounting plate 5 reciprocates with the mounting frame 1 through the motor 12, so that the mounting plate 5 and the grinding sandpaper 9 can be reciprocated by the motor 12, and the effect is better.

[0022] The mounting plate 5 is installed in a spiral connection with the motor 12 in the threaded mounting groove 13 through a threaded mounting block 14, so that the mounting plate 5 can be quickly disassembled and assembled in a spiral manner, which is convenient for replacement and use. The threaded mounting block 14 is plugged and installed in the threaded mounting groove 13. A reset shaft 8 is installed on the upper edge of the mounting plate 5, and a clamping block 7 is fixedly connected to one side of the reset shaft 8. A grinding sandpaper 9 is installed on the outer wall of the mounting plate 5. The grinding sandpaper 9 is clamped and installed with the mounting plate 5 through the clamping block 7, and the clamping block 7 is reset and flipped with the mounting plate 5 through the reset shaft 8. The clamping block 7 and the reset shaft 8 are distributed in a rectangular position on the mounting plate 5, so that the grinding sandpaper 9 is convenient to clamp and install, and the installation is more stable.

[0023] Working principle: When using the handheld plate grinding device, first connect the device to a power source, then connect the suction duct 4 to the suction fan, then hold it by holding the handle 2, then start the motor 12 to drive the mounting plate 5 and the grinding sandpaper 9 to move back and forth, then align it with the plate for grinding, and then remove the dust through the suction duct 4 and the suction port 6. When the suction port 6 needs to be cleaned, the suction port 6 can be pulled out through the splicing slot 10 and the splicing plug block 11 for independent cleaning. When the grinding sandpaper 9 needs to be replaced, the mounting plate 5 can be spirally removed through the threaded mounting groove 13 and the threaded mounting block 14, and then the grinding sandpaper 9 is clamped and fixed by the clamp block 7 and the reset shaft 8, and then spirally installed and continued to be used. This is the use process of the handheld plate grinding device.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A handheld plate grinding device, comprising a mounting frame (1), wherein a gripping handle (2) is fixedly connected to the upper end of the mounting frame (1), and a connecting wire (3) is electrically connected to one side of the gripping handle (2), characterized in that: The front and rear sides of the mounting frame (1) are fixedly connected with a splicing slot (10), and the upper end of the splicing slot (10) is connected and installed with a suction duct (4), the inner wall of the splicing slot (10) is plugged and installed with a splicing plug block (11), and the lower end of the splicing plug block (11) is connected and installed with a suction port (6), the lower end of the mounting frame (1) is installed with a motor (12), and the lower end of the motor (12) is fixedly connected with a threaded mounting block (14), the outer wall of the threaded mounting block (14) is sleeved and installed with a mounting plate (5), and a threaded mounting groove (13) is provided at the center position of the upper end of the mounting plate (5), the threaded mounting block (14) is inserted and installed with the threaded mounting groove (13), the upper edge of the mounting plate (5) is installed with a reset shaft (8), and a clamping block (7) is fixedly connected to one side of the reset shaft (8), and the outer wall of the mounting plate (5) is sleeved and installed with sandpaper (9).

2. A handheld plate grinding device according to claim 1, characterized in that: The mounting frame (1) and the holding handle (2) are arranged in a vertical position, and the holding handle (2) is an inclined cylindrical structure, and the surface of the holding handle (2) is made of a non-slip sponge material.

3. A handheld plate grinding device according to claim 2, characterized in that: The mounting plate (5) is reciprocated with the mounting frame (1) via a motor (12).

4. A handheld plate grinding device according to claim 3, characterized in that: The mounting plate (5) is installed in a spiral manner with the motor (12) in the threaded mounting groove (13) via a threaded mounting block (14).

5. A handheld plate grinding device according to claim 4, characterized in that: The suction port (6) is connected to the suction duct (4) for suction communication, and the suction port (6) is symmetrically distributed on both sides of the mounting frame (1), and the suction port (6) is installed by plugging and splicing with the splicing slot (10) via the splicing plug block (11).

6. A handheld plate grinding device according to claim 5, characterized in that: The sandpaper (9) is clamped and installed with the mounting plate (5) via a clamping block (7), and the clamping block (7) is reset and flipped connected with the mounting plate (5) via a reset rotating shaft (8), and the clamping block (7) and the reset rotating shaft (8) are distributed in a rectangular position on the mounting plate (5).

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