Grinding assembly and grinding machine assembly

Abstract

The utility model discloses a grinding assembly, and relates to the technical field of grinding machines, the grinding assembly comprises a grinding disc, the grinding disc comprises a grinding disc main body, the middle part of the grinding disc main body is provided with a connecting part used for being connected with the grinding machine, the connecting part is provided with a plurality of spokes along the circumferential direction, and the spokes extend along the radial direction of the grinding disc main body; and the grinding pieces are arranged on the spokes. The utility model further discloses a grinding machine assembly which comprises a grinding machine and the grinding assembly. When the abrasive paper is used as a grinding piece, gum can be conveniently removed.

Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a grinding component and a grinder assembly. Background Art

[0002] At present, in the valve maintenance work, the sealing surface grinding method is usually to use an integral disc structure and stick self-adhesive sandpaper on the working surface of the disc to grind the sealing surface; however, this method has the following problems: Increased on-site operation time: First, because the service life of sandpaper is short, the sandpaper needs to be replaced frequently; second, once the adhesive backing of the sandpaper sticks to the grinding disc, it is troublesome and time-consuming to remove.

[0003] Therefore, it is urgent to provide a new grinding assembly to solve the above problems existing in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a grinding component and a grinding machine assembly to solve the problems existing in the above-mentioned prior art. When sandpaper is used as a grinding piece, the back glue can be easily removed.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a grinding assembly, comprising:

[0007] A grinding disc, the grinding disc comprising a grinding disc body, a connecting portion is arranged in the middle of the grinding disc body for connecting with a grinder, and a plurality of spokes are arranged on the connecting portion along the circumferential direction, and the spokes extend along the radial direction of the grinding disc body; and

[0008] A grinding member is mounted on the spoke.

[0009] Preferably, a positioning mechanism is provided on any one of the spokes, and the positioning mechanism is used to position the grinding element.

[0010] Preferably, the grinding piece is sandpaper, the shape of the sandpaper matches the shape of the spoke, and the sandpaper is adhered to the spoke.

[0011] Preferably, the positioning mechanism is an arc positioning line, and a plurality of the arc positioning lines are arranged side by side on the spokes along the radial direction of the grinding disk, and the arc positioning lines are arranged concentrically with the grinding disk.

[0012] Preferably, a diameter scale is provided on the spoke at a position close to the arc positioning line.

[0013] Preferably, the grinding member is a grinding block, and the grinding block is detachably mounted on the spoke.

[0014] Preferably, the positioning mechanism is a positioning hole, and a plurality of the positioning holes are sequentially arranged on the spoke along the radial direction of the grinding disc, and the grinding block is mounted at the positioning holes by bolts.

[0015] Preferably, the grinding block is a grinding block made of corundum, cubic boron nitride or diamond.

[0016] Preferably, all the spokes are evenly distributed along the circumference of the connecting portion; wherein the spokes are made of metal.

[0017] The utility model also provides a grinder assembly, comprising a grinder and the grinding component as described above.

[0018] Compared with the prior art, the utility model has achieved the following technical effects:

[0019] The utility model has a plurality of spokes radially arranged on the grinding disc body, and the grinding piece is installed on the spokes. When sandpaper is used as the grinding piece, compared with the prior art in which the whole sandpaper is bonded to the whole disc by adhesive, the sandpaper is bonded to the spokes, which can reduce the contact area between the sandpaper and the grinding disc, reduce the amount of adhesive residue, and facilitate removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the structure of the grinding assembly in the embodiment of the utility model;

[0022] Figure 2 A side view of the grinding assembly in the embodiment of the utility model;

[0023] Figure 3 This is a schematic structural diagram of the grinding disc body in the second embodiment of the present utility model;

[0024] Figure 4 This is an axonometric view of the grinding assembly in the second embodiment of the present utility model.

[0025] In the figure: 1-grinding disc body, 2-connecting part, 3-spoke, 4-grinding piece, 401-grinding block, 5-positioning hole. DETAILED DESCRIPTION

[0026] 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.

[0027] The purpose of the utility model is to provide a grinding component and a grinding machine assembly to solve the problems existing in the above-mentioned prior art. When sandpaper is used as a grinding piece, the back glue can be easily removed.

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] Embodiment 1

[0030] like Figure 1-Figure 2 As shown, a grinding assembly is provided in this embodiment, mainly including a grinding disc and a grinding piece 4, wherein the grinding disc includes a grinding disc body 1, a connecting portion 2 is provided in the middle of the grinding disc body 1 for connecting with a grinder, and a plurality of spokes 3 are provided on the connecting portion 2 along the circumference, and the spokes 3 extend along the radial direction of the grinding disc body 1; wherein all the spokes 3 are evenly distributed along the circumference of the connecting portion 2, and the spokes 3 are preferably made of metal. The grinding piece 4 is mounted on the spokes 3, and when sandpaper is used as the grinding piece 4, compared with the prior art in which a whole piece of sandpaper is bonded to the entire disc by adhesive, the sandpaper is bonded to the spokes 3, which can reduce the contact area between the sandpaper and the grinding disc, reduce the amount of adhesive residue, and facilitate removal.

[0031] In this embodiment, a positioning mechanism is provided on any of the spokes 3 , and the positioning mechanism is used to position the grinding member 4 so as to grind sealing surfaces with different diameters.

[0032] In this embodiment, the grinding member 4 is preferably sandpaper, the shape of the sandpaper matches the shape of the spoke 3 , and the sandpaper is adhered to the spoke 3 .

[0033] In this embodiment, the positioning mechanism is an arc positioning line, and a plurality of arc positioning lines are arranged side by side on the spoke 3 along the radial direction of the grinding disk. The arc positioning line is concentrically arranged with the grinding disk, and a diameter scale is provided on the spoke 3 near the arc positioning line to facilitate confirmation of the pasting position of the sandpaper.

[0034] The method of using the grinding assembly in this embodiment is as follows:

[0035] 1. Choose sandpaper: According to the needs of valve coarse grinding or fine grinding, choose sandpaper of appropriate particle size;

[0036] 2. Cutting sandpaper: Pre-cut the self-adhesive sandpaper to the same width as spoke 3;

[0037] 3. Paste sandpaper: According to the diameter of the surface to be polished, select a grinding disc with a suitable diameter, and paste the self-adhesive sandpaper on the appropriate position of the spoke 3 of the grinding disc. Before pasting the sandpaper, the grinding disc must be carefully cleaned;

[0038] 4. Install the grinding disc: install the grinding disc with sandpaper on it on the grinding machine to grind the valve;

[0039] 5. Replace sandpaper: When replacing the scrapped sandpaper or changing the grit of the sandpaper, you need to remove the residual sandpaper and adhesive on the grinding disc and stick new sandpaper.

[0040] Embodiment 2

[0041] This embodiment is an improvement on the first embodiment, and the main differences from the first embodiment are: Figure 3 and Figure 4 As shown, in this embodiment, the grinding piece 4 is a grinding block 401, and the grinding block 401 can be detachably installed on the spoke 3; in this embodiment, the grinding block 401 is used as the grinding piece 4, which avoids the problem of frequent replacement of sandpaper, is easy to operate, and is suitable for use in harsh environments such as radiation and chemical pollution.

[0042] In this embodiment, the grinding block 401 may be made of corundum, CBN (Cubic Boron Nitride) or diamond, preferably CBN.

[0043] In this embodiment, the positioning mechanism may be a positioning hole 5 , and a plurality of positioning holes 5 are sequentially arranged on the spoke 3 along the radial direction of the grinding disc, and the grinding block 401 is mounted at the positioning hole 5 by bolts.

[0044] The method of using the grinding assembly in this embodiment is as follows:

[0045] 1. Select grinding block 401: According to the need of valve coarse grinding or fine grinding, select grinding block 401 of appropriate particle size. The number of grinding blocks 401 depends on the number of spokes of the grinding disc;

[0046] 2. Install the grinding block 401: install the grinding block 401 on each spoke 3 by tightening the nut, and adjust the radial installation position so that the grinding block 401 completely covers the valve sealing surface to be ground;

[0047] 3. Replace the grinding block 401: quickly replace the grinding block 401 with different particle sizes to achieve fine grinding of the valve;

[0048] 4. Rapid grinding of large quantities: For valves with no obvious damage to the sealing surface, grinding multiple valves without replacing the grinding block 401 can greatly reduce the time for replacing sandpaper and improve the grinding efficiency of valve maintenance.

[0049] Embodiment 3

[0050] In this embodiment, a grinder assembly is provided, including a grinder and the grinding component described in the first or second embodiment, wherein the grinding component is installed on the grinder.

[0051] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A grinding assembly, characterized in that: include: A grinding disc, the grinding disc comprising a grinding disc main body, a connecting portion is arranged in the middle of the grinding disc main body for connecting with a grinder, and a plurality of spokes are arranged on the connecting portion along the circumferential direction, and the spokes extend along the radial direction of the grinding disc main body; and A grinding member is mounted on the spoke.

2. The grinding assembly according to claim 1, characterized in that: A positioning mechanism is provided on any of the spokes, and the positioning mechanism is used to position the grinding piece.

3. The grinding assembly according to claim 2, characterized in that: The grinding piece is sandpaper, the shape of the sandpaper matches the shape of the spoke, and the sandpaper is adhered to the spoke.

4. The grinding assembly according to claim 3, characterized in that: The positioning mechanism is an arc positioning line. A plurality of arc positioning lines are arranged side by side on the spokes along the radial direction of the grinding disc. The arc positioning lines are arranged concentrically with the grinding disc.

5. The grinding assembly according to claim 4, characterized in that: A diameter scale is arranged on the spoke at a position close to the arc positioning line.

6. The grinding assembly according to claim 2, characterized in that: The grinding piece is a grinding block, and the grinding block can be detachably mounted on the spoke.

7. The grinding assembly according to claim 6, characterized in that: The positioning mechanism is a positioning hole. A plurality of positioning holes are sequentially arranged on the spoke along the radial direction of the grinding disc. The grinding block is installed at the positioning holes by bolts.

8. The grinding assembly according to claim 6, characterized in that: The grinding block is made of corundum, cubic boron nitride or diamond.

9. The grinding assembly according to claim 1, characterized in that: All of the spokes are evenly distributed along the circumference of the connecting portion; wherein the spokes are made of metal.

10. A grinding machine assembly, characterized in that: The invention comprises a grinding machine and a grinding component as claimed in any one of claims 1 to 9.

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