CN216608404U - Polishing device - Google Patents

Abstract

The application discloses grinding device, including cutter arbor, sanding wheel, two at least polishing and two at least mountings. The cutter bar is connected with a driving mechanism outside the polishing device; the polishing wheel is connected with the cutter bar and moves along with the cutter bar, the polishing wheel comprises a body and at least two polishing parts, and the body is provided with clamping grooves which are respectively arranged corresponding to the at least two polishing parts; at least two grinding pieces are respectively arranged on the corresponding grinding parts in a shape-fitting manner, and two ends of each grinding piece respectively extend into the two adjacent clamping grooves; at least two fixing pieces are respectively installed in the corresponding clamping grooves, and each fixing piece is used for fixing the end parts of the two adjacent polishing pieces extending into the corresponding clamping groove. Above-mentioned grinding device is when polishing the product, and the difficult striae and the emery wheel line that produce in product surface has reduced the bad proportion of striae and emery wheel line, can also reduce the roughness on product surface, is favorable to promoting the yield of polishing of product.

Description

Polishing device

Technical Field

The application relates to the technical field of polishing equipment, in particular to a polishing device.

Background

With the rapid development of the 3C product industry, the requirements of people on the appearance of products are more and more strict. In order to meet the requirements of customers on the appearance of the product, the appearance of the product needs to achieve a mirror effect. At present, sanding and polishing are generally carried out on the surface of a product by using a grinding wheel so as to enable the appearance of the product to achieve a mirror surface effect.

However, in the sanding and polishing processes of the grinding wheel, the grinding wheel is easy to wear, so that transverse lines are generated on the product; the sand wheel has a sand shedding phenomenon, so that the product generates sand wheel patterns; both the cross-hatching and the grinding-ring hatching affect the appearance of the product.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a grinding apparatus to reduce the bad ratio of the horizontal striations and the grinding wheel striations during the sanding and polishing processes, and to improve the grinding yield.

An embodiment of the present application provides a grinding device, includes: the cutter bar is used for being connected with a driving mechanism outside the grinding device and driven by the driving mechanism to move; a grinding wheel connected to the cutter bar and moving along with the cutter bar, the grinding wheel including: the body is connected with the cutter bar; the at least two grinding parts are symmetrically arranged on the periphery of the body; the body is provided with clamping grooves which are respectively and correspondingly arranged with the at least two polishing parts, and each clamping groove is clamped between the two adjacent polishing parts; at least two grinding pieces which are respectively arranged on the corresponding grinding parts in a shape-fitting manner, and two ends of each grinding piece respectively extend into the two adjacent clamping grooves; and the fixing pieces are respectively arranged in the corresponding clamping grooves, and each fixing piece is used for fixing the end parts of the two adjacent polishing pieces extending into the corresponding clamping groove in the corresponding clamping groove.

In some embodiments, the surface of each of the grinding parts includes a first curved surface and two flat surfaces, and the first curved surface is connected between the two flat surfaces.

In some embodiments, the surface of each polishing portion further includes two second curved surfaces, the two second curved surfaces are respectively connected to the two planes and are far away from the first curved surface, and the two second curved surfaces respectively extend to the corresponding clamping grooves.

In some embodiments, the abrading device further comprises: and the at least two pasting pieces are respectively pasted on the surfaces of the first curved surfaces of the corresponding grinding parts and are used for respectively pasting the at least two grinding pieces on the corresponding grinding parts.

In some embodiments, the bottom of each clamping groove is provided with a connecting hole; the polishing device further comprises a connecting piece, the connecting piece is matched with the connecting hole, and the fixing piece is connected with the connecting hole through the connecting piece so as to be fixed in the clamping groove.

In some embodiments, the radial dimension of each of the locking grooves gradually decreases from an end away from the body to an end close to the body, and each of the fixing members is matched with the corresponding locking groove.

In some embodiments, the tool bar comprises: the mounting part is used for being connected with the driving mechanism; a clamping part connected to the mounting part; the one end of connecting portion via joint portion is connected to the installation department, just the other end of connecting portion is connected to the body.

In some embodiments, the connecting portion extends through the body and protrudes from the body.

In some embodiments, the tool bar further comprises: backstop portion is connected joint portion with between the connecting portion, backstop portion's diameter is greater than the diameter of connecting portion just is greater than the diameter of joint portion.

In some embodiments, the cross-sectional area of the mounting portion decreases from an end close to the clamping portion to an end far away from the clamping portion.

Above-mentioned grinding device through set up the piece of polishing respectively in two at least portions of polishing of wheel of polishing to utilize the mounting to be fixed in the wheel of polishing with the piece of polishing on, the difficult wearing and tearing of the piece of polishing just are difficult for taking place the desanding phenomenon. When grinding device is polishing the product, the difficult horizontal line and the emery wheel line that produce in product surface has reduced the bad proportion of horizontal line and emery wheel line, can also reduce the roughness on product surface, is favorable to promoting the yield of polishing of product, and the product is polished the back through grinding device, and the yield after the polishing is high again, and polishing quality is good.

Drawings

Fig. 1 is a schematic perspective view of a polishing device according to some embodiments of the present disclosure.

Fig. 2 is a top view of the arbor and sanding wheel shown in fig. 1.

Fig. 3 is an exploded view of the polishing apparatus shown in fig. 1.

Fig. 4 is a front view of the sanding device of fig. 1.

Fig. 5 is a schematic diagram of a sanding device according to some embodiments of the present disclosure.

Fig. 6 is a schematic diagram of a movement track of a product polished by the polishing device of fig. 5.

Description of the main elements

Grinding device 100

Tool shank 10

Mounting part 12

Clip portion 14

Clamping groove 142

Connecting part 16

Stop 18

Grinding wheel 20

Body 22

Card slot 222

Connecting hole 224

Grinding part 24

First curved surface 242

Plane 244

Second curved surface 246

Polishing member 30

Fixing member 40

Adhesive member 50

Connecting piece 60

Product 200

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, it is to be noted that the meaning of "a plurality" is two or more unless specifically defined otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically coupled, electrically coupled, or in communication with each other, directly coupled, or indirectly coupled through intervening media, in which case they may be interconnected, or in which case they may be in an interconnecting relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise direct contact between the first and second features through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal thickness than the second feature. A first feature "under," "below," and "beneath" a second feature includes a first feature that is directly under and obliquely below the second feature, or simply means that the first feature is less horizontally thick than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The embodiment of the application provides a grinding device, includes: the cutter bar is used for being connected with a driving mechanism outside the polishing device and driven by the driving mechanism to move; the wheel of polishing, be connected with this cutter arbor and follow this cutter arbor motion, this wheel of polishing includes: the body is connected with the cutter bar; at least two polishing parts symmetrically arranged on the periphery of the body; the body is provided with clamping grooves which are respectively and correspondingly arranged with at least two polishing parts, and each clamping groove is clamped between two adjacent polishing parts; at least two grinding pieces which are respectively arranged on the corresponding grinding parts in a shape-fitting manner, and two ends of each grinding piece respectively extend into the two adjacent clamping grooves; and at least two fixing pieces are respectively arranged in the corresponding clamping grooves, and each fixing piece is used for fixing the end parts of the two adjacent polishing pieces extending into the corresponding clamping groove in the corresponding clamping groove.

The grinding device that this application embodiment provided sets up the piece of polishing respectively through two at least portions of polishing at the wheel of polishing to utilize the mounting to be fixed in the wheel of polishing with the piece of polishing on, the difficult wearing and tearing of the piece of polishing just are difficult for taking place the sand removal phenomenon. When grinding device is polishing the product, the difficult horizontal line and the emery wheel line that produce in product surface has reduced the bad proportion of horizontal line and emery wheel line, can also reduce the roughness on product surface, is favorable to promoting the yield of polishing of product, and the product is polished the back through grinding device, and the yield after the polishing is high again, and polishing quality is good.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present application provides a polishing apparatus. The grinding device 100 is used for grinding and polishing the surface of the product 200 (as shown in fig. 5), so that the bad ratio of the cross striations and the grinding wheel striations on the surface of the product 200 is reduced, the roughness of the surface of the product 200 is reduced, and the grinding yield of the product 200 is improved. The product 200 can be a material with a plane, such as a mobile phone middle frame, a mobile phone back shell, a tablet computer middle frame, a tablet computer back shell, a notebook computer middle frame, an intelligent watch middle frame, and the like. The grinding device 100 includes a tool bar 10, a grinding wheel 20, at least two grinding members 30, and at least two fixing members 40.

The tool bar 10 is substantially rod-shaped, and the tool bar 10 is used for being connected with a driving mechanism (not shown) outside the grinding device 100 and moving under the driving of the driving mechanism. The driving mechanism drives the tool bar 10 to perform a rotation motion, a motion along an X-axis, a motion along a Y-axis, a motion along a Z-axis, and the like, for example, the X-axis, the Y-axis, and the Z-axis form a three-dimensional direction of a space.

The grinding wheel 20 is substantially circular, the grinding wheel 20 is connected with the cutter bar 10 and moves along with the cutter bar 10, and the grinding wheel 20 comprises a body 22 and at least two grinding parts 24. The body 22 is connected with the cutter bar 10; at least two grinding portions 24 are symmetrically disposed on the periphery of the body 22, for example, at least two grinding portions 24 are disposed on the periphery of the body 22 in a central symmetry manner with respect to the longitudinal axis of the body 22, and it can also be understood that at least two grinding portions 24 are uniformly disposed along the periphery of the body 22. As shown in fig. 1, two grinding portions 24 are symmetrically provided on the peripheral side of the body 22, but the number of grinding portions 24 may be three or more. The body 22 is provided with clamping grooves 222 respectively corresponding to the at least two polishing portions 24, each clamping groove 222 is clamped between two adjacent polishing portions 24, it can also be understood that the number of the clamping grooves 222 is equal to that of the polishing portions 24, and the at least two clamping grooves 222 and the at least two polishing portions 24 are uniformly arranged along the peripheral side of the body 22 according to the sequence of the clamping grooves 222, the polishing portions 24, the clamping grooves 222 and the polishing portions 24.

The polishing members 30 are used for polishing the surface of the product 200, at least two polishing members 30 are respectively and conformally arranged on the corresponding polishing portions 24, two ends of each polishing member 30 respectively extend into two adjacent clamping grooves 222, it can also be understood that the number of the polishing members 30 is the same as that of the polishing portions 24, the polishing members 30 are arranged in a one-to-one correspondence manner, the shape of each polishing member 30 is matched with that of the outer side of each polishing portion 24, the length of each polishing member 30 is larger than that of each polishing portion 24 along the circumferential direction of the body 22, and two ends of each polishing member 30 correspondingly extend into two clamping grooves 222 corresponding to two sides of each polishing portion 24. The polishing member 30 may be a flexible material such as sand paper that can polish the product 200. By "conforming" is meant herein that the shape is adapted, for example, when the abrading segment 24 is arcuate, the abrading article 30 is arcuate so that the abrading article 30 conforms well to the surface of the abrading segment 24.

At least two fixing members 40 are respectively installed in the corresponding clamping grooves 222, each fixing member 40 is used for fixing the end portions of two adjacent polishing members 30 extending into the corresponding clamping groove 222, it can also be understood that the number of the fixing members 40 is equal to that of the clamping grooves 222 and the fixing members 40 are arranged in a one-to-one correspondence manner, the shape of each fixing member 40 is matched with that of the clamping groove 222, because the end portions of two adjacent polishing members 30 are arranged in each clamping groove 222, one fixing member 40 can fix the end portions of two adjacent polishing members 30 extending into the corresponding clamping groove 222, and the polishing members 30 can be fixed on the polishing wheel 20.

For convenience of description, the embodiments provided in the present application will be described in detail by taking two polishing portions 24, two clamping grooves 222, two polishing members 30 and two fixing members 40 as examples.

It is understood that in other embodiments, the number of abrading portion 24, slots 222, abrading article 30, and securing members 40 may be three, four, five, or more. It should be noted that the number of grinding portions 24, pockets 222, grinding members 30 and fasteners 40 should be equal.

The embodiment of the application provides a grinding device 100, set up a 30 of polishing respectively on two portions of polishing 24 through at the wheel 20 of polishing, every both ends of 30 of polishing extend to in two relative draw-in grooves 222, utilize mounting 40 will extend to in corresponding draw-in groove 222 two the tip of 30 of polishing be fixed in draw-in groove 222, and then make the 30 of polishing be fixed in on the wheel 20 of polishing, the piece 30 of polishing is fixed by mounting 40, be difficult for producing clearance or bubble between 30 of polishing and the portion of polishing 24, the piece 30 of polishing is difficult for wearing and tearing and is difficult for taking place the desanding phenomenon. Grinding device 100 is when polishing product 200, and the product 200 surface is difficult for producing horizontal striation and emery wheel line, has reduced the bad proportion of horizontal striation and emery wheel line, can also reduce the roughness on product 200 surface, is favorable to promoting product 200's the yield of polishing, and product 200 is through the back of grinding device 100 polishing, and the yield after the polishing is high again, and polishing quality is good.

Referring to fig. 2, in some embodiments, the surface of each polishing portion 24 includes a first curved surface 242 and two flat surfaces 244, the first curved surface 242 is connected between the two flat surfaces 244, and the first curved surface 242 is substantially circular arc-shaped. In this way, the polishing member 30 conforms to the first curved surface 242, so that the polishing member 30 is easily arranged on the first curved surface 242, and the polishing member 30 can uniformly polish the surface of the product 200 when the polishing device 100 rotates; and through plane 244, can smoothly transition the tip of the piece of polishing 30 to the draw-in groove 222 in, be favorable to compressing tightly the tip of the piece of polishing 30 in draw-in groove 222, the whole smoothness of the piece of polishing 30 is favorable to polishing product 200.

In some embodiments, the surface of each grinding portion 24 further includes two second curved surfaces 246, the two second curved surfaces 246 are respectively connected to the two flat surfaces 244 and are far away from the first curved surface 242, and the two second curved surfaces 246 respectively extend to the corresponding clamping grooves 222. Thus, the transition of the polishing part 30 from the plane 244 to the clamping groove 222 is smooth, so that the overall smoothness of the polishing part 30 is guaranteed, and the polishing of the product 200 is facilitated.

In some embodiments, the transverse dimension L of each slot 222 decreases from the end away from the body 22 to the end close to the body 22, and each fastener 40 fits into the corresponding slot 222. It will also be appreciated that the width of the slot 222 decreases from the end distal from the body 22 to the end proximal to the body 22. The catch 222 may be a trapezoidal or wedge shaped slot and correspondingly, the fastener 40 may be a trapezoidal or wedge shaped block.

It is understood that in other embodiments, the groove wall of the locking groove 222 may be a circular arc surface or other shape gradually decreasing from the end away from the body 22 to the end close to the body 22, and the fixing member 40 is adapted to the locking groove 222.

Referring to fig. 2-3, in some embodiments, the sanding device 100 may further include at least two adhesive members 50. At least two adhesive members 50 are respectively disposed on the surfaces of the first curved surfaces 242 of the corresponding sanding parts 24, and the at least two adhesive members 50 are used to respectively adhere the at least two sanding members 30 to the corresponding sanding parts 24. In this embodiment, the number of the sticking pieces 50 is two, the sticking pieces 50 may be hook and loop fasteners, and accordingly, the polishing pieces 30 may be back fluff sandpaper. In this way, by providing the adhesive member 50 on the first curved surface 242 of the polishing portion 24, it is ensured that the adhesive member 50 can be stably provided on the first curved surface 242 of the polishing portion 24; it is also convenient to replace the worn abrading article 30 and improve the efficiency of use of the abrading device 100.

It is understood that in other embodiments, the adhesive member 50 can also be disposed on the first curved surface 242 and the two flat surfaces 244 of the grinding portion 24.

In some embodiments, a connecting hole 224 is formed at the bottom of each card slot 222, and the connecting hole 224 may be a blind hole or a through hole. When the connection holes 224 are through holes, it can be understood that two connection holes 224 of one card slot 222 communicate with two connection holes 224 respectively opposite to another card slot 222 symmetrical with respect to the body 22. In this embodiment, two connection holes 224 are formed at the bottom of each card slot 222.

The grinding device 100 may further include connecting members 60, the number of the connecting members 60 is the same as that of the connecting holes 224, the connecting members 60 are matched with the connecting holes 224, and the fixing member 40 is fixed in the slot 222 by the connection between the connecting members 60 and the connecting holes 224. The connecting member 60 may be a screw, and the connecting hole 224 may be a screw hole.

It is understood that in other embodiments, the number of the connection holes 224 and the connection members 60 may be one, three, four, five or more. The connector 60 may also be a pin.

Referring to fig. 4, in some embodiments, the tool bar 10 may further include a mounting portion 12, a clamping portion 14, and a connecting portion 16, wherein the mounting portion 12, the clamping portion 14, and the connecting portion 16 are coaxially disposed. The mounting part 12 is used for connecting with a driving mechanism; the clamping part 14 is connected to the mounting part 12; one end of the connecting portion 16 is connected to the mounting portion 12 via the clamping portion 14, the other end of the connecting portion 16 is connected to the body 22, and the other end of the connecting portion 16 penetrates the body 22 and protrudes out of the body 22. Thus, when the tool bar 10 is connected with the driving mechanism and the polishing wheel 20, the tool bar is fixedly connected with the driving mechanism through the mounting portion 12 and the clamping portion 14, and is fixedly connected with the polishing wheel 20 through the connecting portion 16, so that the stable connection between the polishing device 100 and the driving mechanism is ensured.

In some embodiments, the cross-sectional area of the mounting portion 12 decreases from an end proximate to the snap-fit portion 14 to an end distal from the snap-fit portion 14. It will also be appreciated that the mounting portion 12 is generally frustoconical, with the diameter of the mounting portion 12 decreasing from the end proximate the snap-fit portion 14 to the end distal the snap-fit portion 14. Thus, the connection between the mounting portion 12 and the driving mechanism is facilitated, and the connection between the polishing device 100 and the driving mechanism which is not matched with the polishing device can be avoided.

In some embodiments, a ring of engaging grooves 142 is formed on the engaging portion 14 along the peripheral side of the engaging portion 14, and the engaging grooves 142 are located at the middle of the engaging portion 14. So, through joint groove 142 for actuating mechanism can carry out the joint with cutter arbor 10, increases the stability of being connected between actuating mechanism and grinding device 100.

In some embodiments, the diameter of the connecting portion 16 from the end near the joint of the clamping portion 14 to the end far away from the clamping portion 14 may be equal or unequal, and the connecting portion 16 may also be stepped.

In some embodiments, the knife bar 10 may further comprise a stop 18. The stopping portion 18 is connected between the clamping portion 14 and the connecting portion 16, and the diameter of the stopping portion 18 is larger than that of the connecting portion 16 and larger than that of the clamping portion 14. Therefore, when the cutter bar 10 is connected with the driving mechanism, the stop part 18 is used for avoiding the excessive connection between the driving mechanism and the cutter bar 10, and the connection yield between the driving mechanism and the cutter bar 10 is ensured.

The embodiment of the application provides a grinding device 100, paste the piece 50 through setting up respectively on the first curved surface 242 at two portions of polishing 24, set up the piece 30 of polishing on the portion of polishing 24 through pasting the piece 50, utilize mounting 40, the cooperation between connecting piece 60 and the connecting hole 224 will extend to the tip of two adjacent pieces 30 of polishing in the draw-in groove 222 and be fixed in on the wheel 20 of polishing, thereby realize being fixed in the wheel 20 of polishing with the piece 30 of polishing is smooth, there is not clearance or bubble between the piece 30 of polishing and the wheel 20 of polishing and pasting the piece 50, the piece 30 of polishing is difficult for wearing and tearing and is difficult for taking place the desanding phenomenon. Grinding device 100 is when polishing product 200, and the product 200 surface is difficult for producing horizontal striation and emery wheel line, has reduced the bad proportion of product 200 surface horizontal striation and emery wheel line, can also reduce the roughness on product 200 surface, is favorable to promoting product 200's the yield of polishing, and product 200 is through the back of polishing device 100, and the yield after the polishing is high again, and polishing quality is good.

Referring to fig. 5, fig. 5 is a schematic structural diagram illustrating a product 200 ground by the grinding device 100 according to some embodiments of the present application. In this embodiment, the product 200 polished by the polishing device 100 is a middle frame of a mobile phone. The tool bar 10 of the polishing apparatus 100 is connected to an external driving mechanism, and the external driving mechanism drives the polishing apparatus 100 to perform a rotational motion and a motion in a three-dimensional direction formed by an X-axis, a Y-axis, and a Z-axis. The grinding wheel 20 of the grinding apparatus 100 grinds the outer side surface of the product 200.

Referring to fig. 6, fig. 6 is a schematic diagram illustrating a motion trajectory of the polishing product 200 of the polishing apparatus 100. An external driving mechanism drives the polishing device 100 to rotate, and simultaneously drives the polishing device 100 to move along the X axis and simultaneously drives the polishing device 100 to move up and down along the Z axis, so that the motion track of the polishing device 100 on any edge of the product 200 is approximately a wavy line. Therefore, when the grinding device 100 grinds the product 200, no cross striation is generated on the surface of the product 200, and the product 200 is ground by the grinding device 100, and then is polished to have high yield and good polishing quality.

In some embodiments, the distance between the crest and the trough of the wavy line along the Z-axis is approximately 0.9mm to 1.1mm, and in this embodiment is 1.0 mm; the distance between the wave crest of the wavy line and the wave crest is approximately 0.7mm-0.9mm, and 0.8mm is adopted in the embodiment. The radial overpressure of the sanding device 100 sanding the product 200 was 0.15 mm. The rotational speed feed of the external driving mechanism driving the grinding device 100 is S1800/F6500. It is to be understood that the above-described numerical values are merely illustrative of some embodiments of the present application and are not limiting of the present application.

It is understood that in other embodiments, the polishing device 100 can polish the product 200 with other motion traces, for example, the motion traces are linear, zigzag, and the like.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims (10)

1. An abrading device, comprising:

the cutter bar is connected with a driving mechanism outside the polishing device and driven by the driving mechanism to move;

a grinding wheel connected to the cutter bar and moving along with the cutter bar, the grinding wheel including:

the body is connected with the cutter bar;

the at least two grinding parts are symmetrically arranged on the periphery of the body;

the body is provided with clamping grooves which are respectively and correspondingly arranged with the at least two polishing parts, and each clamping groove is clamped between the two adjacent polishing parts;

at least two grinding pieces which are respectively arranged on the corresponding grinding parts in a shape-fitting manner, and two ends of each grinding piece respectively extend into the two adjacent clamping grooves; and

the fixing pieces are respectively arranged in the corresponding clamping grooves, and each fixing piece is used for fixing the end parts of the two adjacent polishing pieces extending into the corresponding clamping groove.

2. An abrading device as defined in claim 1,

every the surface of portion of polishing includes first curved surface and two planes, first curved surface is connected two between the plane.

3. An abrading device as defined in claim 2,

every the surface of portion of polishing still includes two second curved surfaces, two the second curved surface respectively with two the plane is connected and is kept away from first curved surface, two the second curved surface extends to respectively corresponding the draw-in groove.

4. An abrading device as defined in claim 2,

the grinding device further comprises:

and the at least two pasting pieces are respectively pasted on the surfaces of the first curved surfaces of the corresponding grinding parts and are used for respectively pasting the at least two grinding pieces on the corresponding grinding parts.

5. An abrading device as defined in claim 2,

the bottom of each clamping groove is provided with a connecting hole;

the polishing device further comprises a connecting piece, the connecting piece is matched with the connecting hole, and the fixing piece is fixed in the clamping groove through the connection of the connecting piece and the connecting hole.

6. An abrading device as defined in claim 1,

the radial dimension of each clamping groove is gradually reduced from one end far away from the body to one end close to the body, and each fixing piece is matched with the corresponding clamping groove.

7. An abrading device as defined in claim 1,

the cutter arbor includes:

the mounting part is used for being connected with the driving mechanism;

a clamping part connected to the mounting part;

the one end of connecting portion via joint portion is connected to the installation department, just the other end of connecting portion is connected to the body.

8. An abrading device as defined in claim 7,

the connecting part penetrates through the body and protrudes out of the body.

9. An abrading device as defined in claim 7,

the cutter arbor still includes:

backstop portion is connected joint portion with between the connecting portion, backstop portion's diameter is greater than the diameter of connecting portion just is greater than the diameter of joint portion.

10. An abrading device as defined in claim 7,

the cross-sectional area of installation department is from being close to the one end of joint portion is to keeping away from the one end of joint portion reduces gradually.

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