Handheld abrasive paper polisher

Abstract

The utility model discloses a handheld abrasive paper polisher, which relates to the technical field of abrasive paper polishing, and comprises a waist-shaped plate, a fixed side plate is arranged on one side of the waist-shaped plate, and a movable side plate is arranged on the other side of the waist-shaped plate; a movable pressing block component is arranged at the top of the end, close to the kidney-shaped plate, of the fixed side plate, and an abrasive paper mounting roller is arranged on the side, close to the movable side plate, of the other end of the fixed side plate. A movable buckle is arranged at the end, close to the movable pressing block component, of the movable side plate. A movable slitting component is arranged on the side, close to the abrasive paper mounting roller, of the movable pressing block component. And a movable clamping pin is arranged in the abrasive paper mounting roller. By means of the structure, used abrasive paper can be rapidly replaced, time and energy are saved, working efficiency is improved, the used abrasive paper can be rapidly cut off, and adverse effects of the abrasive paper on polishing work are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sandpaper polishing, in particular to a handheld sandpaper polisher. Background Art

[0002] Sanding is the process of cutting, grinding, and polishing workpieces using sandpaper to achieve a smooth surface and precise dimensions. It is widely used in a variety of fields, including construction, automotive, wood products, machining, and interior decoration. It effectively removes impurities such as burrs, oxides, and rust from the workpiece surface, improving its quality and service life.

[0003] When existing handheld sandpaper sanders are used to sand a workpiece, the sandpaper gradually falls off due to friction between the sandpaper and the workpiece, affecting the subsequent sanding efficiency. Therefore, the sandpaper needs to be frequently replaced. During this process, the sandpaper needs to be frequently removed and installed, which wastes a lot of time and energy and reduces work efficiency. Therefore, we propose a handheld sandpaper sander to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a handheld sandpaper grinder to solve the problem proposed in the above background technology that when the existing handheld sandpaper grinder is used to grind a workpiece, the sandpaper and the workpiece rub against each other, and the grit on the sandpaper gradually falls off, affecting the subsequent grinding efficiency. Therefore, the sandpaper needs to be frequently replaced. During this process, the sandpaper needs to be frequently disassembled and assembled, which wastes a lot of time and energy and reduces work efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A handheld sandpaper sander comprises a waist-shaped plate, a fixed side plate is provided on one side of the waist-shaped plate, a movable side plate is provided on the other side of the waist-shaped plate, a movable pressure block component is provided on the top of one end of the fixed side plate close to the waist-shaped plate, a sandpaper mounting roller is provided on one side of the other end of the fixed side plate close to the movable side plate, a movable buckle is provided on one end of the movable side plate close to the movable pressure block component, a movable cutting component is provided on the side of the movable pressure block component close to the sandpaper mounting roller, and a movable bayonet is provided inside the sandpaper mounting roller;

[0007] The sandpaper installation roller comprises a roller body, and a plurality of tooth grooves are evenly spaced around an axis inside the roller body.

[0008] Furthermore, the waist-shaped plate includes a waist plate, and two baffles are symmetrically arranged on both sides of the waist plate. One side of the waist plate is fixedly connected to the fixed side plate, and the other side of the waist plate is movably installed with the movable side plate. The two baffles are respectively fixedly connected to both sides of the waist plate.

[0009] Furthermore, the movable pressure block component includes a movable pressure plate, a rubber pad is provided at the bottom of the movable pressure plate, one end of the movable pressure plate is rotatably connected to the fixed side plate, two arc clamping pads are symmetrically provided on both sides of the bottom of the rubber pad, the rubber pad is fixedly connected to the movable pressure plate, and the two arc clamping pads are fixedly connected to the rubber pad. The movable slitting component includes a slitting knife mounting seat, a movable block is provided on the top of the slitting knife mounting seat, one end of the slitting knife mounting seat is rotatably connected to the fixed side plate, and the other end of the slitting knife mounting seat is clamped with the movable side plate, a slitting knife is provided at the bottom of the movable block through the slitting knife mounting seat, the movable block is slidably connected to the slitting knife mounting seat, and the slitting knife is fixedly connected to the movable block.

[0010] Furthermore, one end of the movable buckle is fixedly connected to the movable side plate, and the other end of the movable buckle is clamped to the movable pressure plate.

[0011] Furthermore, both ends of the roller body are rotatably connected to the fixed side plate and the movable side plate respectively.

[0012] Furthermore, the movable pin includes a movable shaft, two locking teeth are symmetrically provided on both sides of the movable shaft, a shift plate is provided at one end of the movable shaft, the movable shaft is slidingly connected to the fixed side plate and the movable side plate, the two locking teeth are fixedly connected to the movable shaft, the locking teeth are engaged with the tooth groove inside the roller body, and the shift plate is fixedly connected to the movable shaft.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is provided with a waist-shaped plate, one side of which is provided with a fixed side plate, and the other side of which is provided with a movable side plate. A movable pressure block component is provided on the top of the end of the fixed side plate near the waist-shaped plate, and a sandpaper installation roller is provided on the side of the other end of the fixed side plate near the movable side plate. The sandpaper installation roller is provided with a movable latch. During the process, by opening the movable latch, the unused sandpaper in the sandpaper installation roller can be quickly pulled out and quickly fixed with the movable pressure block component, saving time and energy and improving work efficiency.

[0015] 2. The present invention provides a movable pressure block component with a movable cutting component on the side of the movable pressure block component close to the sandpaper mounting roller. During the grinding process, the movable cutting component provided on the side of the movable pressure block component can quickly cut off the used sandpaper, preventing the sandpaper from affecting the grinding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a side sectional schematic diagram of the installation structure of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the movable pressing block component of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the movable latch of the utility model;

[0020] Figure numerals: 1. Waist plate; 101. Waist plate; 102. Baffle; 2. Fixed side plate; 3. Movable side plate; 4. Movable pressure block component; 401. Movable pressure plate; 402. Rubber pad; 403. Arc clamping pad; 5. Sandpaper mounting roller; 501. Roller body; 502. Tooth slot; 6. Movable buckle; 7. Movable slitting component; 701. Slitting knife mounting seat; 702. Movable block; 703. Slitting knife; 8. Movable latch; 801. Movable shaft; 802. Gear; 803. Dividing plate. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1-4 The utility model provides a technical solution: a hand-held sandpaper sander, comprising a waist plate 1, a fixed side plate 2 is provided on one side of the waist plate 1, a movable side plate 3 is provided on the other side of the waist plate 1, a movable pressing block component 4 is provided on the top of one end of the fixed side plate 2 close to the waist plate 1, a sandpaper mounting roller 5 is provided on one side of the other end of the fixed side plate 2 close to the movable side plate 3, a movable buckle 6 is provided on one end of the movable side plate 3 close to the movable pressing block component 4, a movable cutting component 7 is provided on the side of the movable pressing block component 4 close to the sandpaper mounting roller 5, and a movable bayonet 8 is provided inside the sandpaper mounting roller 5;

[0023] The sandpaper installation roller 5 includes a roller body 501 , and a plurality of tooth grooves 502 are evenly spaced around the axis inside the roller body 501 .

[0024] The waist plate 1 includes a waist plate 101, with two baffles 102 symmetrically arranged on both sides of the waist plate 101. One side of the waist plate 101 is fixedly connected to the fixed side plate 2, and the other side of the waist plate 101 is movably mounted to the movable side plate 3. The two baffles 102 are respectively fixedly connected to the two sides of the waist plate 101. In this embodiment, the two baffles 102 can prevent the sandpaper from moving to the sides during the sanding process, thereby ensuring sanding stability.

[0025] The movable pressing block component 4 includes a movable pressing plate 401, a rubber pad 402 is provided at the bottom of the movable pressing plate 401, one end of the movable pressing plate 401 is rotatably connected to the fixed side plate 2, two arc-shaped clamping pads 403 are symmetrically provided on both sides of the bottom of the rubber pad 402, the rubber pad 402 is fixedly connected to the movable pressing plate 401, and the two arc-shaped clamping pads 403 are fixedly connected to the rubber pad 402, the movable slitting component 7 includes a slitting knife mounting seat 701, a movable block 702 is provided on the top of the slitting knife mounting seat 701, one end of the slitting knife mounting seat 701 is rotatably connected to the fixed side plate 2, and the other end of the slitting knife mounting seat 701 is clamped with the movable side plate 3, a slitting knife 703 is provided at the bottom of the movable block 702 through the slitting knife mounting seat 701, the movable block 702 is slidably connected to the slitting knife mounting seat 701, and the slitting knife 703 is fixedly connected to the movable block 702. In this embodiment, by providing two arc-shaped clamping pads 403, the contact area can be increased, thereby firmly fixing the sandpaper to prevent movement during the sanding process.

[0026] One end of the movable buckle 6 is fixedly connected to the movable side plate 3, and the other end of the movable buckle 6 is clamped with the movable pressing plate 401. In this embodiment, the movable buckle 6 is provided to facilitate fixing the movable pressing block component 4, thereby fixing the sandpaper, and facilitating grinding the workpiece.

[0027] Both ends of the roller body 501 are rotatably connected to the fixed side plate 2 and the movable side plate 3 respectively.

[0028] The movable latch 8 includes a movable shaft 801, with two symmetrically disposed teeth 802 on either side of the movable shaft 801. A paddle 803 is disposed at one end of the movable shaft 801. The movable shaft 801 is slidably connected to the fixed side plate 2 and the movable side plate 3. The two paddles 802 are fixedly connected to the movable shaft 801. The paddles 803 engage with the toothed slots 502 within the roller body 501. In this embodiment, the spring-loaded paddles 802 engage with the toothed slots 502 to quickly engage the sandpaper mounting roller 5, preventing the sandpaper from slipping out during sanding and affecting the sanding process.

[0029] Working principle: When the sandpaper needs to be replaced, open the movable buckle 6 to release the movable pressure plate 401, then press the dial plate 803 to drive the movable shaft 801 to slide, so that the tooth 802 slides out of the tooth slot 502, and the unused sandpaper is extracted. The dial plate 803 is pulled out so that the tooth 802 is stuck in the tooth slot 502, thereby fixing the roller body 501 to prevent the sandpaper from continuing to slide out. The sandpaper is fitted with the waist plate 101 through the baffles 102 on both sides, and the movable pressure plate 401 is rotated to drive the arc-shaped clamping pad 403 at the bottom of the rubber pad 402 to press the sandpaper. The movable buckle 6 is rotated to clamp the movable pressure plate 401, thereby pressing the sandpaper, and pulling the movable block 702 to slide on the slitting knife mounting seat 701 so that the slitting knife 703 cuts the sandpaper, removing the used sandpaper to avoid affecting the grinding work.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A handheld sandpaper grinder, characterized by: The invention comprises a waist-shaped plate (1), wherein a fixed side plate (2) is provided on one side of the waist-shaped plate (1), and a movable side plate (3) is provided on the other side of the waist-shaped plate (1); a movable pressing block component (4) is provided on the top of one end of the fixed side plate (2) close to the waist-shaped plate (1); a sandpaper mounting roller (5) is provided on the other end of the fixed side plate (2) close to the side of the movable side plate (3); a movable buckle (6) is provided on one end of the movable side plate (3) close to the movable pressing block component (4); a movable slitting component (7) is provided on the side of the movable pressing block component (4) close to the sandpaper mounting roller (5); and a movable latch (8) is provided inside the sandpaper mounting roller (5); The sandpaper installation roller (5) comprises a roller body (501), and a plurality of tooth slots (502) are evenly spaced around an axis inside the roller body (501).

2. A handheld sandpaper grinder according to claim 1, characterized in that: The waist-shaped plate (1) includes a waist plate (101), and two baffles (102) are symmetrically arranged on both sides of the waist plate (101). One side of the waist plate (101) is fixedly connected to the fixed side plate (2), and the other side of the waist plate (101) is movably installed with the movable side plate (3). The two baffles (102) are respectively fixedly connected to the two sides of the waist plate (101).

3. A handheld sandpaper grinder according to claim 2, characterized in that: The movable pressure block component (4) includes a movable pressure plate (401), a rubber pad (402) is provided at the bottom of the movable pressure plate (401), one end of the movable pressure plate (401) is rotatably connected to the fixed side plate (2), two arc-shaped clamping pads (403) are symmetrically provided on both sides of the bottom of the rubber pad (402), the rubber pad (402) is fixedly connected to the movable pressure plate (401), and the two arc-shaped clamping pads (403) are fixedly connected to the rubber pad (402). The movable slitting component (7) includes a slitting knife installation. The mounting seat (701) is provided with a movable block (702) on the top of the slitting knife mounting seat (701), one end of the slitting knife mounting seat (701) is rotatably connected to the fixed side plate (2), and the other end of the slitting knife mounting seat (701) is clamped with the movable side plate (3), and the bottom of the movable block (702) passes through the slitting knife mounting seat (701) and is provided with a slitting knife (703), the movable block (702) is slidably connected to the slitting knife mounting seat (701), and the slitting knife (703) is fixedly connected to the movable block (702).

4. A handheld sandpaper grinder according to claim 3, characterized in that: One end of the movable buckle (6) is fixedly connected to the movable side plate (3), and the other end of the movable buckle (6) is clamped to the movable pressure plate (401).

5. The handheld sandpaper grinder according to claim 1, characterized in that: The two ends of the roller body (501) are rotatably connected to the fixed side plate (2) and the movable side plate (3) respectively.

6. The handheld sandpaper grinder according to claim 5, characterized in that: The movable latch (8) includes a movable shaft (801), two latching teeth (802) are symmetrically provided on both sides of the movable shaft (801), a shift plate (803) is provided at one end of the movable shaft (801), the movable shaft (801) is slidably connected to the fixed side plate (2) and the movable side plate (3), the two latching teeth (802) are fixedly connected to the movable shaft (801), the latching teeth (802) are engaged with the tooth latching groove (502) inside the roller body (501), and the shift plate (803) is fixedly connected to the movable shaft (801).

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