Quick-change type bowl-shaped abrasive page grinding disc

Abstract

The utility model relates to the field of grinding discs, and particularly discloses a quick-change bowl-shaped abrasive page grinding disc which comprises a grinding disc body and a transmission shaft, the section of the grinding disc body is of a bowl-shaped structure, the grinding disc body comprises an installation part, the installation part is provided with an installation groove, and the installation part is provided with a first limiting groove and a second limiting groove which are located on the two sides of the installation groove respectively. The first limiting groove and the second limiting groove communicate with the mounting groove, an elastic abutting assembly is arranged in the second limiting groove, a first limiting piece is arranged on one side of the outer wall of the transmission shaft, and the first limiting piece is matched with the first limiting groove in an embedded mode, so that the mounting and replacing process of the grinding disc becomes simple and rapid, and the working efficiency is improved; and the operation difficulty is also reduced, so that an operator can quickly and accurately complete the assembly and disassembly between the grinding disc and the transmission shaft.

Description

Technical Field

[0001] The utility model relates to the field of grinding discs, and particularly relates to a quick-change bowl-shaped abrasive sheet grinding disc. Background Art

[0002] Grinding refers to a processing method of removing redundant materials on a workpiece with abrasives, grinding tools, etc. Grinding processing is one of the widely used material removal methods.

[0003] A grinding disc generally includes a base body and abrasive cloth sheets. The abrasive cloth sheets are adhesively connected to the base body, and the base body is linked with a transmission shaft for driving its rotation.

[0004] In the existing grinding discs, the base body is usually directly sleeved on the transmission shaft and limited and reinforced by workpieces such as nuts. The disassembly and installation are inconvenient, which affects the work efficiency. Content of the Utility Model

[0005] The utility model provides a quick-change bowl-shaped abrasive sheet grinding disc to solve the technical problem in the prior art that the disassembly and installation of the base body and the transmission shaft are inconvenient and affect the work efficiency.

[0006] To solve the above problems, a quick-change bowl-shaped abrasive sheet grinding disc provided by the utility model adopts the following technical scheme: it includes a grinding disc body and a transmission shaft. The cross-section of the grinding disc body is a bowl-shaped structure. The grinding disc body includes an installation part. The installation part is provided with an installation groove. On both sides of the installation part located in the installation groove, a first limit groove and a second limit groove are respectively provided. Both the first limit groove and the second limit groove are communicated with the installation groove. An elastic abutting component is arranged in the second limit groove. On one side of the outer wall of the transmission shaft, a first limit piece is arranged. The first limit piece is in interference fit with the first limit groove.

[0007] Further, the elastic abutting component includes a second limit piece and an elastic piece abutted and connected between the second limit piece and the second limit groove. The second limit piece is in movable abutting fit with the outer wall of the transmission shaft.

[0008] Further, the side of the second limit piece facing the transmission shaft is set as an arc-shaped structure corresponding to the outer wall of the transmission shaft.

[0009] Further, an opening communicated with the second limit groove is formed on the installation part. The second limit piece is provided with an adjusting piece, and the adjusting piece penetrates through the opening.

[0010] Further, a pin hole communicated with the first limit groove is formed on the installation part. A pin is arranged in the pin hole, and the pin penetrates through the first limit piece.

[0011] Further, the width of the first limit piece is less than or equal to the diameter of the transmission shaft.

[0012] Further, the vertical central axis of the installation groove is offset toward the side of the second limiting groove with respect to the vertical central axis of the grinding disc body, and the vertical central axis of the transmission shaft coincides with the vertical central axis of the grinding disc body when the first limiting member is inserted into the first limiting groove.

[0013] The beneficial effects of a quick-change bowl-shaped abrasive sheet grinding disc provided by the present utility model are as follows: The installation and replacement process of the grinding disc is made simple and fast, which not only improves work efficiency but also reduces the operation difficulty, enabling the operator to more quickly and accurately complete the installation and disassembly between the grinding disc and the transmission shaft. The fitting cooperation between the first limiting member and the first limiting groove and the elastic abutting assembly in the second limiting groove jointly ensure the stability of the grinding disc during the working process, contribute to improving the grinding quality, and can also reduce potential safety hazards caused by vibration or loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] By referring to the accompanying drawings and reading the following detailed description, the above and other objects, features, and advantages of the exemplary embodiments of the present utility model will become readily understandable. In the drawings, several embodiments of the present utility model are shown in an exemplary rather than restrictive manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0015] Figure 1 is a schematic structural view of a quick-change bowl-shaped abrasive sheet grinding disc of the present utility model Figure 1 ;

[0016] Figure 2 is a schematic structural view of a quick-change bowl-shaped abrasive sheet grinding disc of the present utility model Figure 2 ;

[0017] Figure 3 is a schematic structural view of the grinding disc body of a quick-change bowl-shaped abrasive sheet grinding disc of the present utility model;

[0018] Figure 4 is a schematic structural view of the second limiting member of a quick-change bowl-shaped abrasive sheet grinding disc of the present utility model;

[0019] Figure 5 is a schematic structural view of the transmission shaft of a quick-change bowl-shaped abrasive sheet grinding disc of the present utility model.

[0020] Description of the Reference Numerals:

[0021] 1. Grinding disc body; 11. Installation part; 111. Installation groove; 112. First limiting groove; 113. Second limiting groove; 114. Elastic abutting assembly; 1141. Second limiting member; 1142. Elastic member; 1143. Adjusting member; 115. Opening; 116. Pin hole; 1161. Pin; 2. Transmission shaft; 21. First limiting member. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Those skilled in the art should know that the embodiments described below are a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present invention.

[0023] The quantity of any element in the accompanying drawings is for illustration rather than limitation, and any naming is only for distinction and does not have any limiting meaning.

[0024] Next, with reference to several representative embodiments of the present invention, the principles and spirits of the present invention will be elaborated in detail.

[0025] A quick-change bowl-shaped abrasive page grinding disc provided by the present invention, as Figures 1 to 5 shown, includes a grinding disc body 1 and a transmission shaft 2. The cross-section of the grinding disc body 1 is a bowl-shaped structure. The grinding disc body 1 includes an installation part 11. The installation part 11 is provided with an installation groove 111. On both sides of the installation groove 111 of the installation part 11, a first limit groove 112 and a second limit groove 113 are respectively provided. Both the first limit groove 112 and the second limit groove 113 communicate with the installation groove 111. An elastic abutting component 114 is arranged in the second limit groove 113. On one side of the outer wall of the transmission shaft 2, a first limiting member 21 is provided. The first limiting member 21 is in interference fit with the first limit groove 112.

[0026] By adopting the above technical solutions, the installation and replacement processes of the grinding disc become simple and fast, which not only improves work efficiency but also reduces the operation difficulty, enabling the operator to more quickly and accurately complete the installation and disassembly between the grinding disc and the transmission shaft 2. The interference fit between the first limiting member 21 and the first limit groove 112 and the elastic abutting component 114 in the second limit groove 113 jointly ensure the stability of the grinding disc during the working process, contribute to improving the grinding quality, and can also reduce potential safety hazards caused by vibration or loosening.

[0027] In this embodiment, the elastic abutting assembly 114 includes a second limiting member 1141, an elastic member 1142 abutting against the second limiting member 1141 and the second limiting groove 113, the second limiting member 1141 and the outer wall of the transmission shaft 2 are movably abutted against each other, and the disassembly process between the transmission shaft 2 and the grinding disc body 1 can be realized by pressing the second limiting member 1141. At this time, the elastic member 1142 is compressed. When the transmission shaft 2 is fixed to the grinding disc body 1, the second limiting member 1141 abuts against the outer wall of the transmission shaft 2, which can further ensure that the transmission shaft 2 The elastic member 1142 can provide a certain buffering and shock-absorbing effect when the grinding disc is working. The elastic member 1142 can absorb the vibration or impact that may be generated during the grinding process, thereby improving the service life and stability of the equipment. In addition, during the grinding process, if the transmission shaft 2 undergoes a slight displacement or vibration, the second limit member 1141 can be adaptively adjusted under the action of the elastic member 1142 to maintain a close fit with the transmission shaft 2, which helps to maintain the stability of the grinding disc and the grinding quality.

[0028] In this embodiment, the side of the second limiter 1141 facing the transmission shaft 2 is configured as an arc-shaped structure corresponding to the outer wall of the transmission shaft 2, so that the abutment between the second limiter 1141 and the transmission shaft 2 can be more closely fitted.

[0029] In this embodiment, an opening 115 is provided on the mounting portion 11 and is interconnected with the second limiting groove 113. The second limiting member 1141 is provided with an adjusting member 1143. The adjusting member 1143 passes through the opening 115. The second limiting member 1141 can be retracted in the second limiting groove 113 by manually adjusting the adjusting member 1143, thereby facilitating the installation of the transmission shaft 2 and the grinding disc body 1.

[0030] In this embodiment, a pin hole 116 communicating with the first limiting groove 112 is formed on the mounting portion 11 , a pin 1161 is disposed in the pin hole 116 , and the pin 1161 passes through the first limiting member 21 , so that the connection between the transmission shaft 2 and the grinding disc body 1 can be more stable.

[0031] In this embodiment, the width of the first limiting member 21 is less than or equal to the diameter of the transmission shaft 2, which ensures that the first limiting member 21 can be tightly embedded in the first limiting groove 112 to form a stable connection.

[0032] In this embodiment, the vertical center axis of the mounting groove 111 is offset toward the second limiting groove 113 with respect to the vertical center axis of the grinding disc body 1, which helps to guide the first limiting member 21 to smoothly enter the first limiting groove 112 during the installation process and ensure its stable embedding, and also makes the second limiting member 1141 and the elastic member 1142 smoother when abutting and connecting, further enhancing the stability and reliability of the grinding disc.

[0033] It should be noted that the grinding disc body 1 rotates around the transmission shaft 2. When the vertical central axis of the transmission shaft 2 is embedded in the first limiting groove 112, it coincides with the vertical central axis of the grinding disc body 1, ensuring the precise alignment between the grinding disc and the transmission shaft 2 and guaranteeing the practicability of the grinding disc body 1.

[0034] Based on the above description of this specification, those skilled in the art can also understand the following terms used, such as the terms indicating orientation or positional relationship, such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings of this specification. They are only for the purpose of facilitating the description of the solution of the present invention and simplifying the description, rather than explicitly or implicitly indicating that the device or component involved must have the specific orientation, be constructed and operated in the specific orientation. Therefore, the above terms of orientation or positional relationship cannot be understood or interpreted as a limitation to the solution of the present invention.

[0035] In addition, in the description of this specification, the meaning of "a plurality of" is at least two, such as two, three or more, etc., unless otherwise specifically and clearly defined.

Claims

1. A quick-change bowl-shaped sand leaf grinding disc, comprising a grinding disc body and a transmission shaft, characterized in that: The cross-section of the grinding disc body is a bowl-shaped structure. The grinding disc body includes a mounting portion, which is provided with a mounting groove. The mounting portion is located on both sides of the mounting groove and is respectively provided with a first limiting groove and a second limiting groove. The first limiting groove and the second limiting groove are both connected to the mounting groove. An elastic top support component is arranged in the second limiting groove. A first limiting piece is arranged on one side of the outer wall of the transmission shaft, and the first limiting piece is engaged with the first limiting groove.

2. A quick-change bowl-shaped sand leaf grinding disc according to claim 1, characterized in that: The elastic abutting assembly comprises a second limiting member and an elastic member abuttingly connected between the second limiting member and the second limiting groove, and the second limiting member is movably abutted against the outer wall of the transmission shaft.

3. A quick-change bowl-shaped sand leaf grinding disc according to claim 2, characterized in that: The second limiting member is provided on one side of the transmission shaft facing the transmission shaft as an arc-shaped structure corresponding to the outer wall of the transmission shaft.

4. A quick-change bowl-shaped sand leaf grinding disc according to claim 2, characterized in that: The mounting portion is provided with an opening which is interconnected with the second limiting groove, and the second limiting member is provided with an adjusting member which passes through the opening.

5. The quick-change bowl-shaped sand leaf grinding disc according to claim 1, characterized in that: The mounting portion is provided with a pin hole which is interconnected with the first limiting groove. A pin is arranged in the pin hole and passes through the first limiting member.

6. The quick-change bowl-shaped sand leaf grinding disc according to claim 1, characterized in that: The width of the first limiting member is less than or equal to the diameter of the transmission shaft.

7. The quick-change bowl-shaped sand leaf grinding disc according to claim 1, characterized in that: The vertical center axis of the mounting groove is offset toward the second limiting groove relative to the vertical center axis of the grinding disc body, and the vertical center axis of the transmission shaft coincides with the vertical center axis of the grinding disc body when the first limiting member is embedded in the first limiting groove.

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