Abrasive paper polishing device

Abstract

The utility model relates to the technical field of polishing devices, in particular to an abrasive paper polishing device which comprises a polishing table, an abrasive paper polishing mechanism capable of automatically replacing abrasive paper is arranged on the polishing table, and a sand grain cleaning mechanism for keeping the surface of the abrasive paper clean is arranged in the abrasive paper polishing mechanism. The abrasive paper grinding mechanism comprises a grinding empty groove formed in the upper end of the grinding table, an abrasive paper storage cavity and a winding cavity are symmetrically formed in the two sides of the grinding empty groove, a first rotating shaft is movably installed in the abrasive paper storage cavity, a second rotating shaft is movably installed in the winding cavity, and an abrasive paper body is arranged outside the first rotating shaft. According to the abrasive paper polishing device, the abrasive paper polishing mechanism is arranged, the second rotating shaft and the limiting pressing plate are matched with each other, used old abrasive paper can be automatically replaced, manual operation of workers is not needed, the abrasive paper body can be pressed and fixed, and the abrasive paper body can be effectively prevented from wrinkling or shifting in the workpiece polishing process.

Description

Technical Field

[0001] This utility model relates to the field of polishing device technology, and in particular to a sandpaper polishing device. Background Technology

[0002] In order to improve the surface flatness and aesthetics of the workpiece as much as possible during the grinding process, after the machine grinding, the staff still need to use sandpaper to finely grind the workpiece.

[0003] However, existing sandpaper polishing devices require workers to frequently replace the sandpaper, which is time-consuming and labor-intensive. In addition, sand particles often fall off the surface of the sandpaper during the polishing process, which not only has a certain adverse effect on subsequent manual polishing, but also causes workers to inhale a lot of sand particles. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a sandpaper polishing device that solves the technical problems of frequent sandpaper replacement, which is time-consuming and labor-intensive, and prone to the shedding of a large amount of sand particles. It has the advantages of automatically replacing sandpaper and automatically collecting fallen sand particles.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a sandpaper polishing device, including a polishing table, a battery pack inside the polishing table, a sandpaper polishing mechanism that can automatically replace sandpaper on the polishing table, and a sanding particle cleaning mechanism inside the sandpaper polishing mechanism to keep the sandpaper surface clean. When polishing a workpiece using this device, the sandpaper polishing mechanism can automatically replace the sandpaper, and during the polishing process, the sanding particle cleaning mechanism will automatically clean the particles on the sandpaper. The sandpaper polishing mechanism includes a polishing slot at the upper end of the polishing table, and a sandpaper storage cavity and a winding cavity symmetrically provided on both sides of the polishing slot. A first rotating shaft is movably installed inside the sandpaper storage cavity, and a second rotating shaft is movably installed inside the winding cavity. A sandpaper body is provided outside the first rotating shaft and passes through the inside of the polishing slot. During polishing, the worker holds the workpiece and polishes it inside the polishing slot. After polishing, the second rotating shaft will automatically wind up the sandpaper body.

[0006] Preferably, vertical sliding grooves are symmetrically provided on the inner wall of the grinding slot, and a limiting pressure plate is movably installed inside the grinding slot. The two ends of the limiting pressure plate are slidably connected to the vertical sliding grooves respectively. During the grinding process, the limiting pressure plate will press the sandpaper body to prevent the sandpaper from moving during the grinding process.

[0007] Preferably, one end of the sandpaper body is wound around the first rotating shaft, and the other end of the sandpaper body passes through the grinding groove and is fixedly connected to the second rotating shaft. When the second rotating shaft rotates around its own axis, it will cause the sandpaper body to move horizontally.

[0008] Preferably, a vertical pull rod is fixedly installed on the limiting pressure plate, and the vertical pull rod extends to the top of the sanding table. When the sandpaper body moves, the worker will pull the vertical pull rod upward to disengage the limiting pressure plate from the sandpaper body.

[0009] Preferably, the sand cleaning mechanism includes a ash storage cavity opened on the grinding table, an air blowing component fixedly installed on the inner side wall of the grinding trough, and an ash discharge channel opened on the inner wall of the ash storage cavity. The ash discharge channel is connected to the inside of the grinding trough. When the air blowing component is powered on and operated, it will blow the sand particles inside the grinding trough into the inside of the ash storage cavity.

[0010] Preferably, the air blowing assembly includes an air blowing fan fixedly installed inside the grinding table, and a rectangular nozzle is fixedly installed on the inner wall of the grinding slot. The rectangular nozzle is connected to the air outlet of the air blowing fan, and when the air blowing fan is working, it blows air horizontally through the rectangular nozzle.

[0011] By employing the above technical solution, this utility model provides a sandpaper polishing device, which has at least the following beneficial effects:

[0012] 1. This utility model, by setting up a sandpaper polishing mechanism, utilizes the cooperation between the second rotating shaft and the limiting pressure plate to not only automatically replace used sandpaper without manual operation, but also press and fix the sandpaper body, effectively preventing the sandpaper body from wrinkling or shifting during the workpiece polishing process.

[0013] 2. This utility model, by setting up a sand cleaning mechanism, utilizes the cooperation between the air blowing component and the dust discharge channel to automatically blow away the sand particles that fall off the sandpaper during the grinding process. This not only prevents these sand particles from having an adverse effect on the subsequent grinding process, but also prevents the sand particles from being inhaled by the workers. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0015] Figure 1 The three-dimensional structure of this utility model Figure 1 ;

[0016] Figure 2 The three-dimensional structure of this utility model Figure 2 ;

[0017] Figure 3 This is a schematic diagram of the limiting pressure plate in this utility model;

[0018] Figure 4 This utility model Figure 2 Enlarged view of the structure at point A in the middle.

[0019] In the diagram: 1. Grinding table; 2. Battery pack; 3. Sandpaper grinding mechanism; 301. Grinding slot; 302. Sandpaper storage cavity; 303. Rewinding cavity; 304. First rotating shaft; 305. Second rotating shaft; 306. Vertical slide; 307. Limiting pressure plate; 308. Vertical tie rod; 309. Sandpaper body; 4. Sand cleaning mechanism; 401. Ash storage cavity; 402. Air blowing assembly; 403. Ash discharge channel. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] Existing sanding devices require frequent sandpaper replacements, which is time-consuming and labor-intensive. Furthermore, sandpaper particles often fall off the surface during sanding, negatively impacting subsequent manual sanding and causing workers to inhale significant amounts of abrasive particles. To address these shortcomings in existing technology, such as... Figures 1-4 As shown, this embodiment proposes a sandpaper polishing device that can automatically replace used sandpaper without manual operation. The device has a battery pack 2 inside the polishing table 1 and a sandpaper polishing mechanism 3 that can automatically replace sandpaper on the polishing table 1. The sandpaper polishing mechanism 3 has a sanding particle cleaning mechanism 4 inside to keep the sandpaper surface clean. When polishing a workpiece with this device, the sandpaper polishing mechanism 3 can automatically replace the sandpaper, and during the polishing process, the sanding particle cleaning mechanism 4 will automatically clean the particles on the sandpaper.

[0023] To prevent the sandpaper from wrinkling or shifting during sanding, this embodiment includes a sandpaper sanding mechanism 3. Specifically, the sandpaper sanding mechanism 3 includes a sanding slot 301 on the upper end of the sanding table 1. A sandpaper storage cavity 302 and a winding cavity 303 are symmetrically arranged on both sides of the sandpaper slot 301. A first rotating shaft 304 is movably installed inside the sandpaper storage cavity 302, and a second rotating shaft 305 is movably installed inside the winding cavity 303. Vertical sliding grooves 306 are symmetrically arranged on the inner wall of the sandpaper slot 301. A limiting plate 307 is movably installed inside the sandpaper slot 301. Both ends of the limiting plate 307 are slidably connected to the vertical sliding grooves 306. During sanding, the limiting plate 307 presses down on the sandpaper body 309 to prevent the sandpaper from shifting. A vertical pull rod 308 is fixedly installed, extending above the grinding table 1. When the sandpaper body 309 moves, the operator pulls the vertical pull rod 308 upwards, causing the limiting pressure plate 307 to disengage from the sandpaper body 309. The sandpaper body 309 is installed on the outside of the first rotating shaft 304, passing through the inside of the grinding slot 301. During grinding, the operator holds the workpiece and grinds it inside the grinding slot 301. After grinding, the second rotating shaft 305 automatically rewinds the sandpaper body 309. One end of the sandpaper body 309 is wrapped around the first rotating shaft 304, and the other end passes through the grinding slot 301 and is fixedly connected to the second rotating shaft 305. When the second rotating shaft 305 rotates around its own axis, it causes the sandpaper body 309 to move horizontally.

[0024] In order to automatically clean up the sand particles that fall onto the sandpaper, this embodiment provides a sand particle cleaning mechanism 4. Specifically, the sand particle cleaning mechanism 4 includes a dust storage cavity 401 opened on the grinding table 1. An air blowing assembly 402 is fixedly installed on the inner wall of the grinding groove 301. The air blowing assembly 402 includes an air blower fixedly installed inside the grinding table 1. A rectangular nozzle is fixedly installed on the inner wall of the grinding groove 301. The rectangular nozzle is connected to the air outlet of the air blower. When the air blower is working, it blows air horizontally through the rectangular nozzle. A dust discharge channel 403 is opened on the inner wall of the dust storage cavity 401. The dust discharge channel 403 is connected to the inside of the grinding groove 301. When the air blowing assembly 402 is powered on, it blows the sand particles inside the grinding groove 301 into the dust storage cavity 401.

[0025] As can be seen from the above, when the staff uses this device to grind the workpiece, they will take the workpiece into the grinding slot 301 for processing. After one grinding is completed, the air blowing component 402 will automatically blow the sand particles that fall off the sandpaper into the ash storage cavity 401 through the ash discharge channel 403, thereby preventing these scattered sand particles from having an adverse effect on the subsequent grinding.

[0026] When the sandpaper needs to be replaced, the worker first pulls the vertical lever 308 upwards to disengage the limiting pressure plate 307 from the sandpaper body 309. Next, the second rotating shaft 305 rotates under the action of a micro motor (not shown in the figure). When the second rotating shaft 305 rotates, it automatically rewinds the sandpaper body 309, thereby removing the used sandpaper from the inside of the sanding slot 301 and laying new sandpaper inside the sanding slot 301.

[0027] After the sandpaper is replaced, the staff will press down on the vertical lever 308 to make the limiting plate 307 contact the sandpaper body 309 again, thereby preventing the sandpaper from wrinkling or moving during the sanding process and effectively ensuring the sanding effect.

[0028] This embodiment, by setting up a sandpaper polishing mechanism 3, utilizes the cooperation between the second rotating shaft 305 and the limiting pressure plate 307 to not only automatically replace used sandpaper without manual operation, but also press and fix the sandpaper body 309, effectively preventing wrinkles or displacement of the sandpaper body 309 during the workpiece polishing process; moreover, by setting up a sand grain cleaning mechanism 4, utilizing the cooperation between the air blowing component 402 and the ash discharge channel 403, it can automatically blow and clean the sand grains that fall on the sandpaper during the polishing process, which can prevent these sand grains from adversely affecting the subsequent polishing process and prevent the sand grains from being inhaled by the workers.

[0029] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sandpaper polishing device, comprising a polishing table (1), wherein a battery pack (2) is disposed inside the polishing table (1), characterized in that: The grinding table (1) is equipped with a sandpaper grinding mechanism (3) that can automatically replace sandpaper. The sandpaper grinding mechanism (3) is equipped with a sand particle cleaning mechanism (4) to keep the sandpaper surface clean. The sandpaper polishing mechanism (3) includes a polishing slot (301) opened at the upper end of the polishing table (1). A sandpaper storage cavity (302) and a winding cavity (303) are symmetrically opened on both sides of the polishing slot (301). A first rotating shaft (304) is movably installed inside the sandpaper storage cavity (302), and a second rotating shaft (305) is movably installed inside the winding cavity (303). A sandpaper body (309) is provided outside the first rotating shaft (304), and the sandpaper body (309) passes through the inside of the polishing slot (301).

2. The sandpaper polishing device according to claim 1, characterized in that: The inner wall of the grinding groove (301) is symmetrically provided with vertical sliding grooves (306), and a limiting pressure plate (307) is movably installed inside the grinding groove (301). The two ends of the limiting pressure plate (307) are slidably connected to the vertical sliding groove (306).

3. The sandpaper polishing device according to claim 1, characterized in that: One end of the sandpaper body (309) is wrapped around the first rotating shaft (304), and the other end of the sandpaper body (309) passes through the sanding groove (301) and is fixedly connected to the second rotating shaft (305).

4. The sandpaper polishing device according to claim 2, characterized in that: A vertical tie rod (308) is fixedly installed on the limiting pressure plate (307), and the vertical tie rod (308) extends to the top of the grinding table (1).

5. The sandpaper polishing device according to claim 1, characterized in that: The sand cleaning mechanism (4) includes a ash storage cavity (401) opened on the grinding table (1), an air blowing component (402) is fixedly installed on the inner wall of the grinding groove (301), and an ash discharge channel (403) is opened on the inner wall of the ash storage cavity (401), which is connected to the interior of the grinding groove (301).

6. The sandpaper polishing device according to claim 5, characterized in that: The air blowing assembly (402) includes an air blowing fan fixedly installed inside the grinding table (1), and a rectangular nozzle is fixedly installed on the inner wall of the grinding slot (301), with the rectangular nozzle connected to the air outlet of the air blowing fan.

Images