Efficient and time-saving cambered-surface flap disc

Abstract

The utility model discloses an efficient and time-saving cambered surface flap disc which comprises a flap disc assembly, the flap disc assembly comprises a flap disc body and a connecting plate arranged at the upper end of the flap disc body, through holes are formed in the middle of the flap disc body and the middle of the connecting plate, and a rotating shaft is arranged in the through holes. First grinding blades and second grinding blades are arranged on the upper side and the lower side of the sand page disc body, the first grinding blades and the second grinding blades are stacked in a staggered mode, and the lower end face of the sand page disc body has a certain radian. According to the efficient and time-saving cambered-surface sand page disc, through the sand page disc body with the lower end face having a certain radian, the device can machine a workpiece with the surface having a certain radian, the trouble of continuously adjusting the angle of the sand page disc is omitted, the workpiece can be efficiently machined, time is saved, and the machining efficiency is improved. The sand page disc body and the connecting plate are connected together through the bolts arranged in the open grooves, and the sand page disc body can be disassembled, assembled and replaced by taking down the bolts in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding tools, in particular to a high-efficiency and time-saving cambered sand leaf disc. Background Art

[0002] Abrasive discs, also known as abrasive sheets, flat abrasive wheels, abrasive disc wheels, or elastic grinding discs, are typically used with handheld electric or pneumatic angle grinders. They offer excellent and efficient grinding performance and are suitable for a variety of workspaces and environments. They are widely used for surface treatments such as rust removal, paint removal, and weld polishing on various metal and non-metal surfaces.

[0003] Most existing sanding discs are flat. When processing workpieces with a certain curvature on the surface, the angle of the sanding disc needs to be constantly adjusted, which reduces the processing efficiency of the device. Therefore, we propose a highly efficient and time-saving curved sanding disc. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In view of the above problems and / or the problems existing in the existing sand leaf discs, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an efficient and time-saving curved sanding disc. The sanding disc body having a certain curvature on the lower end surface enables the device to process workpieces with a certain curvature on the surface, eliminating the trouble of constantly adjusting the angle of the sanding disc, so as to efficiently process the workpiece and save time. The sanding disc body and the connecting plate are connected together by bolts arranged in the slots, and the sanding disc body can be disassembled, assembled and replaced later by removing the bolts.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A high-efficiency and time-saving cambered sand leaf disc, comprising:

[0009] The sand leaf disc assembly includes a sand leaf disc body and a connecting plate arranged at the upper end of the sand leaf disc body. A through hole is opened in the middle of the sand leaf disc body and the connecting plate, and a rotating shaft is arranged in the through hole. A first grinding leaf and a second grinding leaf are arranged on the upper and lower sides of the sand leaf disc body. The first grinding leaf and the second grinding leaf are stacked in an alternating manner. The lower end surface of the sand leaf disc body has a certain curvature. A slot is opened at the lower end of the sand leaf disc body. A bolt is arranged in the slot. The bolt passes through the sand leaf disc body to the connecting plate.

[0010] As a preferred solution of the high-efficiency and time-saving cambered sand leaf disc described in the utility model, a plurality of heat dissipation grooves are opened on the upper end of the sand leaf disc body, and the plurality of heat dissipation grooves are evenly distributed in a ring shape along the center of the sand leaf disc body.

[0011] As an optimal solution for the high-efficiency and time-saving curved sand leaf disc described in the utility model, a positioning column is provided on the outer side of the middle upper end of the sand leaf disc body, and a positioning groove is provided on the outer side of the middle lower end of the connecting plate, and the positioning groove is clamped on the positioning column.

[0012] As a preferred solution of the high-efficiency and time-saving curved sand leaf disc described in the utility model, the upper end face diameter of the positioning column is smaller than the lower end face diameter, and the upper side diameter of the inner wall of the positioning groove is smaller than the lower side diameter.

[0013] As an optimal solution of the high-efficiency and time-saving curved sand leaf disc described in the utility model, a fixing plate is provided at the lower end of the rotating shaft, a threaded column is provided at the upper end of the fixing plate, a threaded hole is opened at the lower end of the rotating shaft, the threaded column is threadedly connected to the rotating shaft, and the fixing plate is arranged in the sand leaf disc body.

[0014] As a preferred solution of the high-efficiency and time-saving curved sand leaf disc described in the utility model, the cross section of the fixing plate is a regular hexagon, and a hexagonal groove is provided in the middle of the lower end of the fixing plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects: this kind of efficient and time-saving curved sanding disc, through the sanding disc body with a certain curvature on the lower end surface, enables the device to process workpieces with a certain curvature on the surface, eliminating the trouble of constantly adjusting the angle of the sanding disc, so as to efficiently process the workpiece and save time. The sanding disc body and the connecting plate are connected together by bolts arranged in the slot, and the sanding disc body can be disassembled, assembled and replaced later by removing the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive labor. Among them:

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a highly efficient and time-saving curved sand leaf disc;

[0018] Figure 2 This is a schematic diagram of a partially cutaway three-dimensional structure of a highly efficient and time-saving curved sand leaf disc;

[0019] Figure 3 This is a schematic diagram of a partially cutaway three-dimensional structure of a highly efficient and time-saving curved sand leaf disc;

[0020] In the figure: 100, sand leaf disc assembly; 110, sand leaf disc body; 111, slot; 112, heat dissipation slot; 113, positioning column; 114, rotating shaft; 115, fixing plate; 116, threaded column; 120, connecting plate. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0022] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing the embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0024] The utility model provides a highly efficient and time-saving cambered sanding disc. The sanding disc body having a certain curvature on the lower end surface enables the device to process a workpiece having a certain curvature on the surface, eliminating the trouble of constantly adjusting the angle of the sanding disc, so as to efficiently process the workpiece and save time. The sanding disc body and the connecting plate are connected together by bolts arranged in the slots, and the sanding disc body can be disassembled, assembled and replaced later by removing the bolts.

[0025] Figure 1-Figure 3 The following is a schematic diagram of the structure of an embodiment of an efficient and time-saving curved sand leaf disc according to the present invention. Figure 1-Figure 3 In this embodiment, a high-efficiency and time-saving cambered sand leaf disc is provided, and its main body includes a sand leaf disc assembly 100 .

[0026] The sand leaf disc assembly 100 includes a sand leaf disc body 110 and a connecting plate 120 arranged at the upper end of the sand leaf disc body 110. A through hole is opened in the middle of the sand leaf disc body 110 and the connecting plate 120, and a rotating shaft 114 is arranged in the through hole. The first grinding leaf and the second grinding leaf are arranged on the upper and lower sides of the sand leaf disc body 110. The first grinding leaf and the second grinding leaf are stacked in an alternating manner. The lower end surface of the sand leaf disc body 110 has a certain curvature. A slot 111 is opened at the lower end of the sand leaf disc body 110. A bolt is arranged in the slot 111. The bolt passes through the sand leaf disc body 110 to the connecting plate 120. Preferably, in this embodiment, a plurality of heat dissipation grooves 112 are provided at the upper end of the sand leaf disc body 110, and the plurality of heat dissipation grooves 112 are evenly distributed in a ring shape along the center of the sand leaf disc body 110. The plurality of heat dissipation grooves 112 evenly arranged on the sand leaf disc body 110 can dissipate heat for the sand leaf disc body 110 during the grinding process, thereby preventing the sand leaf disc body 110 from overheating during the grinding process. A positioning post 113 is provided on the outer side of the middle portion of the upper end of the sand leaf disc body 110, and a positioning groove is provided on the outer side of the middle portion of the lower end of the connecting plate 120, which is clamped on the positioning post 113. The connecting plate 120 is positioned on the sand leaf disc body 110 under the action of the positioning groove and the positioning post 113. The provided positioning groove and the positioning post 113 play a positioning role for the sand leaf disc body 110 and the connecting plate 120, ensuring that the threaded holes on the sand leaf disc body 110 and the connecting plate 120 are aligned so that the two can be subsequently fastened together by bolts. The fixing plate 115 is provided with a fixing plate 115 at the lower end thereof, and a threaded column 116 is provided at the upper end thereof. A threaded hole is provided at the lower end of the rotating shaft 114, and the threaded column 116 is threadedly connected to the rotating shaft 114. The fixing plate 115 is arranged in the sand leaf disc body 110, and the fixing plate 115 is threadedly installed at the lower end of the rotating shaft 114 under the action of the threaded column 116, so that the operator can disassemble it later. The cross section of the fixing plate 115 is a regular hexagon, and an inner hexagonal groove is provided in the middle of the lower end of the fixing plate 115. The inner hexagonal groove provided at the lower end of the fixing plate 115 is used to fix the fixing plate 115 by an inner hexagonal wrench, so as to facilitate its subsequent disassembly and assembly.

[0027] Combine Figure 1-Figure 3The sand leaf disc 110 is a kind of high-efficiency and time-saving cambered sand leaf disc of the present embodiment, and is used as follows: the sand leaf disc body 110 with a certain curvature on the lower end surface enables the device to process the workpiece with a certain curvature on the surface, eliminating the trouble of constantly adjusting the angle of the sand leaf disc, so as to efficiently process the workpiece and save time. During the sanding process, the sand leaf disc body 110 can dissipate heat for the sand leaf disc body 110 through a plurality of heat dissipation grooves 112 evenly arranged on the sand leaf disc body 110, so as to prevent the sand leaf disc body 110 from overheating during the sanding process. The sand leaf disc body 110 and the connecting plate 120 are connected together by the action of bolts. Later, the operator can remove the sand leaf disc body 110 from the connecting plate 120 by removing the bolts, so as to disassemble and replace the sand leaf disc body 110. The positioning grooves and positioning columns 113 provided can play a positioning role for the sand leaf disc body 110 and the connecting plate 120 during the installation process, so as to ensure that the threaded holes on the sand leaf disc body 110 and the connecting plate 120 are aligned, so as to facilitate the subsequent installation of the bolts.

[0028] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A highly efficient and time-saving curved sand leaf disc, characterized in that: include: A sand leaf disc assembly (100) comprises a sand leaf disc body (110) and a connecting plate (120) arranged at the upper end of the sand leaf disc body (110). A through hole is provided in the middle of the sand leaf disc body (110) and the connecting plate (120), and a rotating shaft (114) is provided in the through hole. A first grinding leaf and a second grinding leaf are provided on the upper and lower sides of the sand leaf disc body (110), and the first grinding leaf and the second grinding leaf are stacked in an alternating manner. The lower end surface of the sand leaf disc body (110) has a certain curvature, and a slot (111) is provided at the lower end of the sand leaf disc body (110). A bolt is provided in the slot (111), and the bolt passes through the sand leaf disc body (110) to the connecting plate (120).

2. The high-efficiency and time-saving curved sand leaf disc according to claim 1 is characterized in that: A plurality of heat dissipation slots (112) are provided at the upper end of the sand leaf disc body (110), and the plurality of heat dissipation slots (112) are evenly distributed in a ring shape along the center of the sand leaf disc body (110).

3. The high-efficiency and time-saving curved sand leaf disc according to claim 1 is characterized in that: A positioning column (113) is provided on the outer side of the middle portion of the upper end of the sand leaf disc body (110), and a positioning groove is provided on the outer side of the middle portion of the lower end of the connecting plate (120), and the positioning groove is clamped on the positioning column (113).

4. The high-efficiency and time-saving curved sand leaf disc according to claim 3 is characterized in that: The diameter of the upper end face of the positioning column (113) is smaller than the diameter of the lower end face, and the upper diameter of the inner wall of the positioning groove is smaller than the lower diameter.

5. The high-efficiency and time-saving curved sand leaf disc according to claim 1 is characterized in that: The lower end of the rotating shaft (114) is provided with a fixing plate (115), the upper end of the fixing plate (115) is provided with a threaded column (116), the lower end of the rotating shaft (114) is provided with a threaded hole, the threaded column (116) is threadedly connected to the rotating shaft (114), and the fixing plate (115) is arranged in the sand leaf disc body (110).

6. The high-efficiency and time-saving curved sand leaf disc according to claim 5 is characterized in that: The cross section of the fixing plate (115) is a regular hexagon, and a hexagonal groove is provided in the middle of the lower end of the fixing plate (115).

Images