CN212635448U

CN212635448U - High elasticity sand page or leaf dish

Info

Publication number: CN212635448U
Application number: CN202020862821.7U
Authority: CN
Inventors: 张晟
Original assignee: ZHENGZHOU JOYSUN ABRASIVES CO Ltd
Current assignee: ZHENGZHOU JOYSUN ABRASIVES CO Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-03-02
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to an abrasive material grinding apparatus field, concretely relates to high elasticity sand page or leaf dish, including the base member and bond the multi-disc grinding page or leaf piece on the base member through the adhesive, the base member includes the connecting portion at middle part and the bearing part in the outside, grind the net shape sheet structure that the polyester nylon fiber sparse weaving of page or leaf piece for being stained with abrasive material granule formed, grind the range of contained angle between the interior terminal surface of page or leaf piece and bearing part and be 30 ~ 45, grind the contained angle range between the warp of page or leaf piece and bearing part and be 20 ~ 50 on the interior terminal surface of bearing part. The utility model discloses can adapt to the burr clearance of the complicated geometric structure of work piece, section bar edge and welding contained angle bottom are leveled and are polished, can avoid producing big grinding volume and destroy workpiece surface geometric structure, have higher utilization ratio, avoid wasting resource and practice thrift the cost, and the ventilation of being convenient for can reach the effect of low temperature grinding, and can not harm workpiece surface, is difficult for making the work piece produce heat altered shape.

Description

High elasticity sand page or leaf dish

Technical Field

The utility model relates to an abrasive material grinding apparatus field, concretely relates to high elasticity sand page or leaf dish.

Background

The sand blade disc is also called a sand blade, a plane abrasive cloth wheel, a floral impeller, a sand blade wheel or an elastic grinding disc. The sanding block disk is generally used in conjunction with hand-held electric or pneumatic angle grinders, angle grinders. The abrasive disc has good and efficient grinding capacity, and is widely applied to surface treatment such as rust removal, paint removal and weld joint polishing of various molded surfaces of metal and non-metal materials. In the grinding process, when an operator holds the grinder or the angle grinder to grind the surface of a workpiece, the contact degree of the abrasive disc and the surface of the workpiece is mainly controlled manually, the grinding degree and the influence on the surface of the workpiece are mainly limited by the professional degree of the operator, the traditional resin bond angle grinding wheel and the plane abrasive cloth grinding wheel have no elastic characteristic, the grinding needs the operator to apply larger working pressure, but when the grinding operation is applied with excessive pressure, excessive grinding is easily generated, the geometric dimension of the workpiece is damaged, and even the workpiece precision exceeds the tolerance and becomes an unqualified product. In addition, when the grinding tool is used for grinding the metal surface, higher grinding temperature is often generated, local high temperature can influence the metal surface to cause color change and deformation of the metal surface, the high temperature also influences the service life of the grinding tool, the grinding tool is short in scrapping period, and the grinding production cost of enterprises is increased.

Disclosure of Invention

The utility model discloses a solve the abrasive paper sheet disc grinding in-process and cause excessive grinding easily to harm work piece geometric dimensions because of exerting pressure too greatly, lead to the work piece type to become because of grinding high temperature, material hardness reduces and influences work piece machining precision and inherent quality scheduling problem, especially aluminum alloy, the abrasive machining of non-iron soft metal work pieces such as copper alloy, a high elasticity abrasive paper sheet disc is provided, can adapt to the complicated geometric structure of work piece, avoid producing excessive grinding and destroy work piece surface geometric structure and dimensional tolerance, higher utilization ratio has, avoid wasting resources and saving the cost, the ventilation of being convenient for, can reach the effect of low temperature grinding, and can not harm the work piece surface, the difficult work piece that makes produces the heat altered shape.

In order to realize the purpose, the technical scheme of the utility model is that:

a high-elasticity sand page disc comprises a base body and a plurality of grinding pages adhered to the base body through an adhesive, wherein the base body comprises a connecting part in the middle and a bearing part on the outer side, the grinding pages are of a grid-shaped sheet structure formed by weaving polyester nylon fibers adhered with abrasive particles in a sparse mode, the grinding pages are annularly and hierarchically arranged on the inner end face of the bearing part, the included angle range between the grinding pages and the inner end face of the bearing part is 30-45 degrees, and the included angle range between the grinding pages and the warp threads of the bearing part is 20-50 degrees. Wherein, the abrasive particles are one or two of alumina abrasive, zirconia abrasive particles, ceramic alumina abrasive and silicon carbide abrasive particles.

Further, the base body is a cymbal-shaped structure made of plastic nylon materials.

Furthermore, the middle part of connecting portion is provided with the connecting hole, and the outside circumference of connecting portion is provided with a plurality of whirlwind hole, the warp slope setting of the relative connecting portion in whirlwind hole.

Furthermore, the outer end face of the connecting portion is provided with an air deflector at a position corresponding to the cyclone hole, one side of the air deflector is arranged on the conical surface of the connecting portion, the other side of the air deflector extends outwards along the edge of the cyclone hole, and a second air guiding cavity is formed between adjacent air deflectors.

Furthermore, an arc-shaped plate is arranged at the position, corresponding to the cyclone hole, of the inner end face of the connecting portion, one end of the arc-shaped plate is arranged in the middle of the connecting portion, the other end of the arc-shaped plate is connected to the edge of the cyclone hole, and a first air guide cavity is formed between every two adjacent arc-shaped plates.

Furthermore, one side face of the arc-shaped plate is fixedly arranged on the connecting portion, a gap is reserved between the other side face of the arc-shaped plate and the inner end face of the bearing portion, and an internal thread is arranged on the connecting hole.

Further, the substrate is a cymbal-shaped structure made of laminated glass fiber materials.

Further, the base member is the cymbal-shaped structure that plastics made formed, and the diameter range of base member is 4 ~ 7cm, connecting portion are the cylindricality structure of protrusion on the load-bearing part, and the internal thread hole has been seted up at the connecting portion middle part, or the outside is provided with the external screw thread.

Through the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a net shape sheet structure that grinding page or leaf was woven for polyester nylon fiber that is stained with abrasive grain is sparse, all have the abrasive grain that can participate in the grinding in the vertical different degree of depth of grinding page or leaf, in grinding page or leaf certain position grinding process, this position participates in all the time and grinds, grind the page or leaf and grind and exhaust up to this position, and, have the hole on the grinding page or leaf, the hole communicates the both sides face of grinding page or leaf, make the grinding page or leaf become to have sparse open space, thereby reach ventilation cooling's purpose in the surface course of the work piece of polishing, cool off the grinding face of work piece, realize low temperature grinding, do not harm the workpiece surface, have good grinding effect; the included angle between the grinding leaf and the inner end face of the bearing part is 30-45 degrees, so that the grinding leaf has an elastic deformation space, can adapt to the geometric structure of a workpiece in the grinding process, avoids the generation of large grinding amount to damage the geometric structure of the surface of the workpiece, and ensures that the sand leaf disc has a high-elasticity grinding part and is particularly suitable for grinding operation for removing burrs on the surface of the workpiece; the included angle between the grinding sheet and the warp of the bearing part is 20-50 degrees, so that the grinding sheet is inclined to the outer edge of the base body to form a formed grinding part, the elasticity is higher, and the grinding sheet has higher utilization rate due to a wider contact surface with a workpiece.

2. The base body of the utility model can adopt a cymbal-shaped structure made of plastic nylon material, and the connecting part is provided with the cyclone hole, so that the dust and chip can be conveniently pumped out, cooled and cooled by the cyclone hole; be provided with the internal thread in the connecting hole of connecting portion, install this sand page or leaf dish to grinding tool through the internal thread on, make the installation of sand page or leaf dish change simple and convenient more, quick, realize that the operator can realize the change of convenient quick new old sand page or leaf dish at the construction operation process.

3. The base body of the utility model can also be made of plastics, the diameter range of the base body is 4-7 cm, a mini sand page disc is formed, the functions of grinding and surface treatment can be realized, the plastic base body with small diameter can also reach the strength required by bearing and grinding the page pieces, and the manufacturing cost is low; the internal thread hole has been seted up at connecting portion middle part, or the outside is provided with the external screw thread, realizes that the operator can realize the change of convenient quick new used sand page or leaf dish at the construction operation process.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a high-elasticity flap disc according to the present invention;

fig. 2 is a second structural schematic view of an embodiment of a highly elastic flap disc according to the present invention;

FIG. 3 is a schematic view of a single abrasive leaf according to an embodiment of the present invention;

fig. 4 is a second schematic structural view of a single grinding blade according to an embodiment of the present invention;

fig. 5 is a third schematic structural view of a single grinding blade according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second embodiment of the present invention;

fig. 7 is a second schematic structural diagram of a second embodiment of the present invention;

fig. 8 is a third schematic structural view of a second embodiment of the present invention;

fig. 9 is a fourth schematic structural view of the second embodiment of the present invention;

fig. 10 is a schematic structural diagram of a third embodiment of the present invention;

fig. 11 is a second schematic structural diagram of a third embodiment of the present invention;

fig. 12 is a schematic structural diagram of a fourth embodiment of the present invention;

fig. 13 is a schematic structural diagram of a fifth embodiment of the present invention;

fig. 14 is a second schematic structural view of a fifth embodiment of the present invention;

fig. 15 is a schematic structural diagram of a sixth embodiment of the present invention;

fig. 16 is a second schematic structural view of a sixth embodiment of the present invention.

The reference numbers in the drawings are as follows: 1 is a base body, 101 is a connecting part, 1011 is a connecting hole, 1012 is a cyclone hole, 1013 is an air deflector, 1014 is an arc-shaped plate, 102 is a bearing part, 2 is a grinding sheet, and 3 is an adhesive.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

in the description of the present invention, it should be understood that the terms "inner end surface" and "outer end surface" indicate the orientation or positional relationship based on the orientation or positional relationship of the abrasive disc when in use, i.e., "inner" toward the side of the workpiece and "outer" away from the side of the workpiece, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example one

As shown in fig. 1 to 5, the present embodiment provides a high-elasticity flap disc, which includes a substrate 1 and a plurality of grinding flaps 2 adhered to the substrate 1 by an adhesive, specifically, the adhesive is a resin adhesive, the substrate 1 is a cymbal structure made of a glass fiber material, the substrate 1 includes a connecting portion 101 at the middle portion and a bearing portion 102 at the outer side, the grinding flaps 2 are a grid-shaped sheet structure formed by loosely weaving polyester nylon fibers adhered with abrasive particles, specifically, the abrasive particles are zirconia abrasive particles and silicon carbide abrasive particles, the grinding flaps 2 are annularly stacked on an inner end surface of the bearing portion 102, an included angle between the grinding flaps 2 and the inner end surface of the bearing portion 102 is α, α is 45 °, an included angle between the grinding flaps 2 and the bearing portion 102 is β, and a meridian β is 25 °.

In the grinding process of the sand page disc of the embodiment, as the grinding page piece 2 and the bearing part 102 have a higher angle, the grinding page piece 2 has an elastic deformation space, namely when the grinding page piece 2 is extruded between a base body and the surface of a workpiece, the grinding page piece 2 can deform instead of weighting the surface of the workpiece, so that the damage to the geometric dimension of the workpiece is avoided, and the sand page disc is particularly suitable for grinding operation for removing burrs on the surface of the workpiece; the grinding blade 2 is provided with holes, and the two side surfaces of the grinding blade 2 are communicated through the holes, so that the grinding blade 2 has a sparse and open space, the purposes of ventilation and heat dissipation are achieved in the process of grinding the surface of a workpiece, the grinding surface of the workpiece is cooled, low-temperature grinding is achieved, the surface of the workpiece is not damaged, and a good grinding effect is achieved. The grinding blade 2 generates loss along with grinding a workpiece, the abrasion generally develops from outside to inside, after the grinding blade 2 is abraded to the position of the outer side line of the base body, in order to avoid scratches on the surface of the workpiece by the base body, the sand blade disc needs to be replaced, the included angle range between the grinding blade 2 of the sand blade disc and the warp line of the bearing part is 25 degrees, the grinding blade 2 deflects towards the outside of the base body, a butterfly-shaped grinding part is formed, the grinding blade 2 participates in grinding more in an open space, namely when the grinding blade needs to be scrapped and replaced, the residual quantity of the grinding blade 2 on the sand blade disc is small, and the utilization rate is higher.

Example two

This embodiment is substantially the same as the first embodiment, and the same parts are not described again, except that:

as shown in fig. 6 to 9, in the high elasticity flap disc provided by this embodiment, the base 1 is a cymbal structure made of plastic nylon material, the included angle between the grinding flap 2 and the inner end surface of the bearing portion 102 is 40 °, and the included angle between the grinding flap 2 and the warp of the bearing portion 102 is 32 °.

The middle of connecting portion 101 is provided with connecting hole 1011, and the outside circumference of connecting portion 101 is provided with a plurality of whirlwind hole 1012, the warp slope setting of relative connecting portion 101 of whirlwind hole 1012. Through setting up whirlwind hole 1012, make this sand page or leaf dish can convulsions better, air exhaust when the grinding, reach the purpose to the grinding face cooling to also can discharge the piece that produces in the grinding process through whirlwind hole 1012.

EXAMPLE III

On the basis of the second embodiment, as shown in fig. 10 to 11, in the high-elasticity flap disc provided by this embodiment, an arc plate 1014 is disposed at a position corresponding to the cyclone hole 1012 on the inner end surface of the connecting portion 101, one end of the arc plate 1014 is disposed in the middle of the connecting portion 101, the other end of the arc plate 1014 is connected to the edge of the cyclone hole 1012, a first air guiding cavity is formed between adjacent arc plates 1014, and the arrangement of the arc plate 1014 can not only guide the wind flow, but also ensure the strength of the base 1 as a reinforcing rib. The outer end surface of the connecting part 101 is provided with an air deflector 1013 at a position corresponding to the cyclone hole 1012, one side of the air deflector 1013 is arranged on the conical surface of the connecting part 101, the other side of the air deflector 1013 extends outwards along the edge of the cyclone hole 1012, and a second air guiding cavity is formed between adjacent air deflectors 1013 to guide the airflow discharged from the cyclone hole 1012 and prevent disorder.

Example four

In the third embodiment, as shown in fig. 12, in the high-elasticity flap disc provided in this embodiment, one side surface of the arc plate 1014 is fixedly disposed on the connecting portion 101, a gap is left between the other side surface and the inner end surface of the bearing portion 102, and an internal thread is disposed on the connecting hole 1011. Install this sand page or leaf dish to grinding tool through the internal thread on, make the installation of sand page or leaf dish change simple and convenient more, quick, realize that the operator can realize the change of convenient quick new and old sand page or leaf dish at the construction operation process.

EXAMPLE five

as shown in fig. 13 to 14, in the high-elasticity flap disc provided in this embodiment, the included angle between the grinding flap 2 and the inner end surface of the bearing portion 102 is 42 °, the included angle between the grinding flap 2 and the warp of the bearing portion 102 is 45 °, the base 1 is a cymbal-shaped structure made of plastic, the diameter range of the base 1 made of plastic is 4 to 7cm, the diameter of the base 1 in this embodiment is 7cm, the connecting portion 101 is a cylindrical structure protruding out of the bearing portion 102, an internal threaded hole is formed in the middle of the connecting portion 101, and the flap disc is mounted on a grinding tool through the internal threaded hole, so that the flap disc is mounted and replaced more easily, conveniently and quickly.

EXAMPLE six

as shown in fig. 15 to 16, in the high-elasticity flap disc provided by this embodiment, the base 1 is a cymbal-shaped structure made of plastic, the diameter range of the plastic base 1 is 4 to 7cm, the diameter of the base 1 is 6cm in this embodiment, the included angle between the grinding flap 2 and the inner end surface of the bearing part 102 is 36 °, the included angle between the grinding flap 2 and the warp of the bearing part 102 is 40 °, the connecting part 101 is a cylindrical structure protruding from the bearing part 102, an external thread is provided on the outer side of the connecting part 101, and the flap disc is mounted on a grinding tool through the external thread, so that the flap disc is mounted and replaced more easily, conveniently and quickly.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The high-elasticity flap disc is characterized by comprising a base body (1) and a plurality of grinding flaps (2) adhered to the base body (1) through an adhesive, wherein the base body (1) comprises a connecting part (101) in the middle and a bearing part (102) on the outer side, the grinding flaps (2) are of a grid-shaped sheet structure formed by weaving polyester nylon fibers adhered with abrasive particles in a sparse mode, the grinding flaps (2) are annularly and hierarchically arranged on the inner end face of the bearing part (102), the included angle range between the grinding flaps (2) and the inner end face of the bearing part (102) is 30-45 degrees, and the included angle range between the grinding flaps (2) and the warp of the bearing part (102) is 20-50 degrees.

2. A highly elastic abrasive leaf disc as claimed in claim 1, characterised in that said base body (1) is a cymbal-shaped structure made of plastic nylon material.

3. A highly elastic sand page disc as claimed in claim 2, wherein the connecting part (101) is provided with a connecting hole (1011) in the middle, the outer side of the connecting part (101) is provided with a plurality of cyclone holes (1012) in the circumferential direction, and the cyclone holes (1012) are arranged obliquely relative to the longitude line of the connecting part (101).

4. The high-elasticity flap disc as claimed in claim 3, wherein the outer end surface of the connecting part (101) is provided with a wind deflector (1013) at a position corresponding to the cyclone hole (1012), one side of the wind deflector (1013) is arranged on the conical surface of the connecting part (101), the other side of the wind deflector (1013) extends outwards along the edge of the cyclone hole (1012), and a second wind guiding cavity is formed between adjacent wind deflectors (1013).

5. A highly elastic sand page disc as claimed in claim 3, characterized in that the inner end surface of the connecting part (101) is provided with an arc plate (1014) at the position corresponding to the cyclone hole (1012), one end of the arc plate (1014) is arranged in the middle of the connecting part (101), the other end is connected to the edge of the cyclone hole (1012), and a first air guiding cavity is formed between the adjacent arc plates (1014).

6. A highly elastic sand page disc as claimed in claim 5, characterized in that one side of the arc plate (1014) is fixed on the connecting part (101), a gap is left between the other side and the inner end face of the bearing part (102), and the connecting hole (1011) is provided with an internal thread.

7. A highly elastic abrasive disc according to claim 1, characterised in that said substrate (1) is a cymbal-shaped structure made of glass fibre material.

8. The high-elasticity flap disc as claimed in claim 1, wherein the base body (1) is a cymbal-shaped structure made of plastic, the diameter of the base body (1) ranges from 4 cm to 7cm, the connecting part (101) is a cylindrical structure protruding out of the bearing part (102), and the connecting part (101) is provided with an internal threaded hole in the middle or provided with an external thread on the outer side.