Abrasive cloth wheel grinding tool

Abstract

The utility model relates to the technical field of grinding tools, in particular to an abrasive cloth wheel grinding tool. Comprising a chuck and an abrasive cloth wheel, the abrasive cloth wheel is arranged on the chuck in a sleeving mode, the abrasive cloth wheel is composed of a plurality of abrasive cloth blades which are sequentially stacked in the circumferential direction of the chuck, one end of each abrasive cloth blade is fixedly connected to the chuck, the other end of each abrasive cloth blade is provided with at least one V-shaped grinding and polishing part used for grinding and polishing a workpiece, and the tip end of each V-shaped grinding and polishing part faces outwards. The grinding and polishing device is simple in structure, the abrasive cloth blade with the V-shaped grinding and polishing part is arranged on the chuck, the V-shaped grinding and polishing part can extend into a groove of a workpiece, the groove wall and the groove bottom are ground and polished at the same time, the polishing and grinding efficiency is greatly improved, the surface quality can achieve the mirror surface effect, and the machining cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding tools, in particular to an emery cloth wheel grinding tool. Background Art

[0002] Emery cloth wheel abrasives play an important role in industrial production, and are mainly used for grinding and polishing workpieces. Emery cloth wheel abrasives are widely used in the manufacture of automobiles, ships, and aviation, as well as jade, heels, stainless steel products, and furniture. Emery cloth wheels include many branch products, including flat emery cloth wheels, emery cloth wire wheels, flap blades, flap blades, flap wheels, handle impellers, flower impellers, wire wheels, polishing wheels, vertical impellers, etc. Different types of products have different uses and characteristics.

[0003] In the prior art, it is not convenient to polish and grind the bottom and inner wall of a workpiece with a U-shaped groove or a V-shaped groove. Sandblasting or manual grinding is usually used, which has extremely low polishing efficiency, is time-consuming and labor-intensive, and has poor polishing effect. Utility Model Content

[0004] In order to solve the above problems, the utility model provides an emery wheel grinding tool, including a chuck and an emery wheel, the emery wheel is sleeved on the chuck, the emery wheel is composed of a plurality of emery sheets stacked in sequence along the circumference of the chuck, one end of the emery sheet is fixedly connected to the chuck, and the other end is provided with at least one V-shaped grinding and polishing portion for grinding and polishing a workpiece, and the tip of the V-shaped grinding and polishing portion faces outward.

[0005] Furthermore, the V-shaped polishing portion has a first polishing surface and a second polishing surface, the first polishing surface and the second polishing surface are connected by a transition surface, and the transition surface is an arc transition surface or a plane transition surface.

[0006] Furthermore, the number of the V-shaped polishing parts on each of the abrasive cloth sheets is plural and they are tooth-shaped.

[0007] Furthermore, a reinforcing component is provided on at least one surface of the abrasive cloth sheet.

[0008] Furthermore, the reinforcing assembly includes a plurality of raised portions protruding from the surface of the abrasive cloth sheet, and adjacent raised portions are arranged at intervals.

[0009] Furthermore, the abrasive cloth sheets are provided with positioning holes for machining positioning.

[0010] Furthermore, the chuck includes a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate enclose a receiving groove, the abrasive cloth sheet is mounted on the receiving groove, and the abrasive cloth sheet is bonded to the bottom of the receiving groove.

[0011] Furthermore, a limiting portion for limiting the position of the abrasive cloth sheet is provided on the groove wall of the accommodating groove.

[0012] Furthermore, a connecting sleeve is provided on the inner side of the first mounting plate, and a connecting rod is provided on the inner side of the second mounting plate. The connecting rod and the connecting sleeve are arranged opposite to each other, and the front end of the connecting rod is embedded in the connecting sleeve and the two are interference fit.

[0013] Furthermore, a substrate layer is provided on the inner side of the connecting sleeve.

[0014] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0015] 1) The emery wheel abrasive tool provided by the utility model has a simple structure. An emery cloth sheet with a V-shaped grinding and polishing portion is arranged on the chuck. The V-shaped grinding and polishing portion can extend into the groove of the workpiece and grind and polish the groove wall and the groove bottom at the same time, which greatly improves the polishing and grinding efficiency, achieves a mirror effect on the surface quality, and reduces the processing cost.

[0016] 2) The emery wheel abrasive tool provided by the utility model has a reinforcing component on the emery cloth page, which can effectively improve the strength and rigidity of the emery cloth page on the one hand, so that the emery cloth page can be better vertical during the rotation process, thereby improving the polishing and grinding effect; on the other hand, it increases the wear resistance of the emery cloth page.

[0017] 3) The emery wheel grinding tool provided by the utility model has a connecting sleeve and a connecting rod with interference fit between the first mounting plate and the second mounting plate, which can enhance the connection reliability between the two mounting plates and avoid cracking during use, thereby affecting the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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 or the description of the prior art 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.

[0019] Figure 1 A schematic diagram of the structure of the flap wheel grinding tool provided in Example 1;

[0020] Figure 2 is a structural schematic diagram of the workpiece to be processed;

[0021] Figure 3 Schematic diagram of the structure of the abrasive cloth sheet in the flap wheel abrasive tool provided in Example 1 Figure 1 ;

[0022] Figure 4Schematic diagram of the structure of the abrasive cloth sheet in the flap wheel abrasive tool provided in Example 1 Figure 2 ;

[0023] Figure 5 Schematic diagram of the structure of the abrasive cloth sheet in the flap wheel abrasive tool provided in Example 1 Figure 3 ;

[0024] Figure 6 Schematic diagram of the structure of the abrasive cloth sheet in the flap wheel abrasive tool provided in Example 1 Figure 4 ;

[0025] Figure 7 A schematic diagram of the structure of the flap wheel grinding tool provided in Example 2;

[0026] Figure 8 In the flap wheel grinding tool provided in Example 2 Figure 7 A partial schematic diagram of .

[0027] 1-chuck; 11-mounting hole; 12-first mounting plate; 13-second mounting plate; 14-glue injection chamber; 15-accommodating groove; 16-annular limiting protrusion; 17-glue injection hole; 2-emery cloth leaf; 21-V-shaped polishing part; 22-first polishing surface; 23-second polishing surface; 24-transition surface; 25-gap; 26-protrusion; 27-positioning hole; 28-limiting groove; 3-workpiece; 31-V-groove; 4-connecting sleeve; 41-substrate layer; 5-connecting rod; 51-barb. DETAILED DESCRIPTION

[0028] 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 them. 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. In the drawings, the size and relative size of some parts may be enlarged for clarity.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connection" and "connected" should be interpreted in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inside" and "outside" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In addition, in the description of the present invention, the terms "first" and "second" are only used to distinguish in the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0032] Example 1

[0033] As the instruction manual Figure 1 As shown, the utility model provides an abrasive wheel grinding tool, including a chuck 1 and an abrasive wheel, wherein the abrasive wheel is sleeved on the chuck 1, and the abrasive wheel is composed of a plurality of abrasive sheets 2 stacked in sequence along the circumference of the chuck 1, one end of the abrasive sheet 2 is fixedly connected to the chuck 1, and the other end is provided with at least one V-shaped grinding and polishing portion 21 for grinding and polishing a workpiece, and the tip of the V-shaped grinding and polishing portion 21 faces outward. In this embodiment, a mounting hole 11 for mounting a rotating shaft is provided at the center of the chuck 1, and a plurality of abrasive sheets 2 are stacked in sequence along the outer side of the chuck 1 in a circumferential direction, and the surfaces of adjacent abrasive sheets 2 are parallel to each other, and the surfaces of the abrasive sheets 2 are parallel to the axial direction of the chuck 1. During use, the abrasive sheets 2 are mounted on the chuck 1, and then the chuck 1 is mounted on the rotating shaft, and the chuck 1 rotates with the rotating shaft to perform a polishing and grinding operation.

[0034] Preferably, the V-shaped polishing portion 21 has a first polishing surface 22 and a second polishing surface 23 , and the first polishing surface 22 and the second polishing surface 23 are connected by a transition surface 24 , and the transition surface 24 is an arcuate transition surface or a plane transition surface.

[0035] As the instruction manual Figure 2 As shown, it is a schematic diagram of the structure of the workpiece 3. V-shaped grooves 31 are provided at both ends of the workpiece 3. The V-shaped grinding and polishing portion 21 of the emery cloth sheet 2 is matched with the V-shaped groove 31 of the workpiece. During polishing, the V-shaped grinding and polishing portion 21 can extend into the V-shaped groove 31 of the workpiece. The workpiece 3 rotates clockwise, and the emery cloth sheet 2 rotates counterclockwise. The side surfaces of the V-shaped grinding and polishing portion 21 are the first grinding and polishing surface 22 and the second grinding and polishing surface 23. The first grinding and polishing surface 22 and the second grinding and polishing surface 23 are respectively fitted with the groove wall of the V-shaped groove 31, and can be polished and ground with the groove wall of the V-shaped groove 31, thereby achieving the polishing purpose.

[0036] Preferably, in order to grind the groove bottom of the workpiece, the first polishing surface 22 and the second polishing surface 23 are connected by a transition surface 24, and the transition surface 24 is an arc transition surface or a plane transition surface, as shown in the appendix of the specification. Figure 1 and 4 As shown in the figure, the transition surface 24 is an arc-shaped transition surface, and the curvature is adapted to the groove bottom of the workpiece 3; Figure 3 As shown, the transition surface 24 is a planar transition surface, which is suitable for use with a workpiece 3 whose groove bottom is a planar surface.

[0037] Preferably, as shown in the attached instructions Figure 5 and 6 As shown, there are multiple V-shaped polishing parts 21 on each of the abrasive cloth sheets 2, and they form tooth-shaped polishing parts. Each V-shaped polishing part 21 is arranged on the abrasive cloth sheet 2 along the axial direction of the chuck 1. The multiple V-shaped polishing parts on the abrasive cloth sheet 2 are tooth-shaped, and gaps 25 are provided between adjacent V-shaped polishing parts 21. The multiple V-shaped polishing parts 21 can be provided to meet the needs of multiple V-shaped grooves 31 on the workpiece 3, and multiple V-shaped grooves 3 can be polished and ground at one time, thereby improving work efficiency.

[0038] Preferably, the height of the V-shaped polishing portion 21 of the abrasive cloth sheet 2 is 10-30 cm, and the angle between the first polishing surface 22 and the second polishing surface 23 is 30° to 90°, such as 40°, 60°, etc.

[0039] In an optimized implementation mode, a reinforcing component is provided on at least one surface of the emery cloth sheet 2. In order to ensure the strength and rigidity of the emery cloth sheet 2, a reinforcing component is provided on one surface of the emery cloth sheet 2. The reinforcing component can increase the strength of the emery cloth sheet 2 and increase the verticality of the emery cloth sheet 2. The reinforcing component is made of the same material as the abrasive of the emery cloth sheet 2, and it can also increase the wear resistance of the emery cloth sheet 2.

[0040] Preferably, the reinforcing assembly includes a plurality of raised portions 26 protruding from the surface of the emery cloth sheet 2, and adjacent raised portions 26 are arranged at intervals. The raised portions 26 can be arranged on one surface of the emery cloth sheet 2, or on both surfaces of the emery cloth sheet 2. The raised portions 26 can be arranged according to actual needs to ensure the strength and wear resistance of the emery cloth sheet 2.

[0041] In an optimized implementation mode, the abrasive cloth sheet 2 is provided with a positioning hole 27 for processing positioning, so as to facilitate the positioning of the abrasive cloth sheet 2 during the die punching process.

[0042] An optimized implementation manner, the chuck 1 includes a first mounting plate 12 and a second mounting plate 13, the first mounting plate 12 and the second mounting plate 13 enclose a glue injection chamber 14 and a receiving groove 15, the glue injection chamber 14 and the receiving groove 15 are separated by a partition, the glue injection chamber 14 is located on the inner side of the partition, and the receiving groove 15 is located on the outer side of the partition, the emery cloth sheet 2 is installed to the receiving groove 15, the glue injection chamber 14 and the receiving groove 15 are connected by a plurality of through holes, glue is injected into the glue injection chamber 14, the glue can flow into the gauze blades in the receiving groove 15 through the through holes on the partition, after the glue is cured, the emery cloth sheet 2 can be bonded to the partition, and then fixed on the chuck 1.

[0043] In an optimized implementation manner, a limiting portion for limiting the emery cloth sheet 2 is provided on the groove wall of the accommodating groove 15. Specifically, an annular limiting protrusion 16 is provided on the groove wall of the accommodating groove 15, and a limiting groove 28 matched with the annular limiting protrusion 16 is provided on the emery cloth sheet 2.

[0044] The assembly process of the abrasive tool is as follows: N pieces of emery cloth sheets 2 are assembled and placed in the receiving groove 15 of the first mounting plate 12, and then the annular limiting protrusion 16 of the second mounting plate 13 is inserted into the limiting groove of the emery cloth sheet 2, and the chuck 1 is fixed with tape, and the epoxy resin that cures at room temperature is injected into the injection chamber 14 through the injection hole 17 on the first mounting plate, and then the chuck 1 is placed on the rotating shaft and rotated slowly, so that the epoxy glue in the two mounting plates is attached to the emery cloth sheet 2 and the chuck 1, so that the emery cloth sheet 2 and the chuck 1 are bonded together, and the assembly of the abrasive tool is completed.

[0045] Example 2

[0046] As the instruction manual Figure 7 and 8 As shown, in order to prevent the mounting plate from falling off due to cracking of glue during use of the chuck 1, a connecting sleeve 4 is provided on the inner side of the first mounting plate 12, and a connecting rod 5 is provided on the inner side of the second mounting plate 13. The connecting rod 5 and the connecting sleeve 4 are arranged opposite to each other, and the front end of the connecting rod 5 is embedded in the connecting sleeve 4 and the two are interference fit. The front end of the connecting rod 5 can be inserted into the connecting sleeve 4, and the connecting rod 5 and the connecting sleeve 4 are interference fit, and the friction between the two is large. The connecting sleeve 4 can clamp the connecting rod 5 to improve the connection strength of the two mounting plates.

[0047] Preferably, a substrate layer 41 is provided on the inner side of the connecting sleeve 4. The substrate layer 41 has a certain elasticity and can be deformed when the connecting rod 5 is inserted into the connecting sleeve 4. After the connecting rod 5 is inserted into the connecting sleeve 4, the substrate layer 41 is located between the connecting rod 5 and the connecting sleeve 4. The substrate layer 41 recovers the deformation, which can squeeze the connecting rod 5 and increase the friction between the connecting sleeve 4 and the connecting rod 5, so that the connecting rod 5 can be tightly embedded in the connecting sleeve 4. It is prevented that the two mounting plates fall off due to reasons such as aging of glue, and the service life of the mold is guaranteed.

[0048] Preferably, a barb 51 is provided on the outer side of the insertion end of the connecting rod 5 , and after the connecting rod 5 is inserted into the connecting sleeve 4 , the barb 51 can be inserted into the substrate layer 41 to further improve the connection strength between the connecting rod 5 and the connecting sleeve 4 .

[0049] In this embodiment, the structure of the abrasive cloth sheet is the same as that of Embodiment 1, and will not be described in detail here.

[0050] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0051] Those skilled in the art will appreciate that the present invention can be implemented in many other specific forms without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the attached claims.

Claims

1. An abrasive wheel grinding tool, comprising a chuck and an abrasive wheel, wherein the abrasive wheel is sleeved on the chuck, and characterized in that: The abrasive wheel is composed of a plurality of abrasive sheets stacked in sequence along the circumference of the chuck, one end of the abrasive sheet is fixed to the chuck, and the other end is provided with at least one V-shaped polishing portion for polishing a workpiece, and the tip of the V-shaped polishing portion faces outward.

2. The abrasive cloth wheel grinding tool according to claim 1, characterized in that: The V-shaped polishing portion has a first polishing surface and a second polishing surface, wherein the first polishing surface and the second polishing surface are connected by a transition surface, and the transition surface is an arc transition surface or a plane transition surface.

3. The abrasive cloth wheel grinding tool according to claim 1, characterized in that: The number of the V-shaped polishing parts on each of the abrasive cloth sheets is multiple and they are tooth-shaped.

4. The abrasive cloth wheel grinding tool according to claim 1, characterized in that: At least one surface of the abrasive cloth sheet is provided with a reinforcement component.

5. The abrasive cloth wheel grinding tool according to claim 4, characterized in that: The reinforcing assembly comprises a plurality of raised portions protruding from the surface of the abrasive cloth sheet, and adjacent raised portions are arranged at intervals.

6. The abrasive cloth wheel grinding tool according to claim 1, characterized in that: The abrasive cloth sheet is provided with positioning holes for machining positioning.

7. The abrasive cloth wheel grinding tool according to claim 1, characterized in that: The chuck includes a first mounting plate and a second mounting plate, wherein the first mounting plate and the second mounting plate are enclosed to form a receiving groove, the abrasive cloth sheet is mounted on the receiving groove, and the abrasive cloth sheet is bonded to the bottom of the receiving groove.

8. The abrasive cloth wheel grinding tool according to claim 7, characterized in that: A limiting portion for limiting the position of the abrasive cloth sheet is provided on the groove wall of the accommodating groove.

9. The abrasive cloth wheel grinding tool according to claim 7, characterized in that: A connecting sleeve is provided on the inner side of the first mounting plate, and a connecting rod is provided on the inner side of the second mounting plate. The connecting rod is arranged opposite to the connecting sleeve, and the front end of the connecting rod is embedded in the connecting sleeve and the two are interference fit.

10. The abrasive cloth wheel grinding tool according to claim 9, characterized in that: A substrate layer is provided on the inner side of the connecting sleeve.

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