CN110962051A - Seamless abrasive belt for precision instrument grinding and manufacturing method thereof - Google Patents
Seamless abrasive belt for precision instrument grinding and manufacturing method thereof Download PDFInfo
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- CN110962051A CN110962051A CN201911149244.5A CN201911149244A CN110962051A CN 110962051 A CN110962051 A CN 110962051A CN 201911149244 A CN201911149244 A CN 201911149244A CN 110962051 A CN110962051 A CN 110962051A
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- soft foundation
- abrasive belt
- soft
- reinforcing
- sand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
- B24D11/005—Making abrasive webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/04—Zonally-graded surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/08—Equipment for after-treatment of the coated backings, e.g. for flexing the coating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a seamless abrasive belt for grinding a precision instrument, which comprises a soft foundation, wherein a plurality of sand areas are arranged on the outer side of the soft foundation, wire grooves which are communicated with each other in a crossing manner are formed between the adjacent sand areas corresponding to the soft foundation, sand grains are bonded to each sand area, and a reinforcing net embedded in each wire groove is further bonded to the outer side of the soft foundation. The invention has the effects of easy removal of abrasive dust and difficult blockage.
Description
Technical Field
The invention relates to the technical field of abrasive belts, in particular to a seamless abrasive belt for precision instrument grinding and a manufacturing method thereof.
Background
Abrasive belts belong to coated abrasives, known as flexible abrasives. Compared with a solid grinding tool grinding wheel, the polishing machine has the advantages of being more flexible and safer, higher in precision and low in grinding cost during polishing. The seamless abrasive belt, also called jointless abrasive belt, is made up by using special cylindrical fabric as base material, on a special-purpose equipment making the above-mentioned materials undergo the processes of stretching, press polishing and impregnating treatment, then making gluing, sand-planting and drying treatment. The abrasive belt has no joint, uniform thickness and no vibration impact in operation, so that the abrasive belt is particularly suitable for polishing products with fine granularity.
The prior abrasive belt has flat sand surface, small gap between abrasive materials and equal sparseness and height of the whole sand surface, so that the abrasive belt is easily blocked by abrasive dust, the grinding capacity of the abrasive belt is influenced and the abrasive belt is scrapped, the normal use of the abrasive belt is influenced, and the production cost is increased.
Disclosure of Invention
The invention aims to provide a seamless abrasive belt for precision instrument grinding, which has the effects of easy removal of abrasive dust and difficult blockage.
The above object of the present invention is achieved by the following technical solutions:
a seamless abrasive belt for grinding a precision instrument comprises a soft foundation, wherein a plurality of sand areas are arranged on the outer side of the soft foundation, wire grooves which are communicated in a crossed mode are formed in the positions, corresponding to the adjacent sand areas, of the soft foundation, sand grains are bonded to the sand areas, and a reinforcing net embedded in the wire grooves is further bonded to the outer side of the soft foundation.
By adopting the technical scheme, when the seamless abrasive belt is used, when the seamless abrasive belt rotates to polish a workpiece, abrasive dust generated by polishing the workpiece by the seamless abrasive belt can be discharged from the wire groove of the seamless abrasive belt, part of the abrasive dust filled into the wire groove can be separated from the surface of the workpiece through the wire groove along with the rotation of the abrasive belt, and due to the soft foundation, the soft foundation can deform along with the rotation of the abrasive belt in the rotating process of the abrasive belt, so that the wire groove rotates along with the soft foundation, the width of the wire groove is enlarged, abrasive material permeating into the wire groove can be separated from the wire groove, in addition, the adopted reinforcing mesh can further increase the strength of the seamless abrasive belt, the deformation of the abrasive belt can be limited, the use of the abrasive belt is ensured, and the service life of the abrasive belt is prolonged.
The invention is further configured to: the wire groove comprises two spiral grooves which are arranged in opposite rotation directions, and the reinforcing net comprises a plurality of reinforcing wires which are respectively wound in the two spiral grooves.
By adopting the technical scheme, the wire slot formed by the spiral grooves with opposite rotation directions and the reinforcing net formed by the reinforcing wires respectively wound in the two spiral grooves have high strength and strong tensile resistance, and can effectively inhibit the larger deformation of the soft foundation.
The invention is further configured to: the soft base includes a fiber rubber base.
By adopting the technical scheme, the fiber rubber substrate is used as the soft base, so that the tensile property of the fiber rubber substrate is better and better, and the soft service life is longer.
The invention is further configured to: the reinforcing thread comprises a nylon thread.
By adopting the technical scheme, the nylon wire is adopted as the reinforcing wire, and the nylon wire has the advantages of high strength, high toughness, small deformation and long service life.
The second aim of the invention is realized by the following technical scheme:
a manufacturing method of a seamless abrasive belt for precision instrument grinding comprises the following steps:
step one, forming a soft foundation trunking, namely selecting an annular fiber rubber substrate as a soft foundation, forming a first circle of spiral groove along the outer surface of the soft foundation, and forming a second circle of spiral groove along the outer surface of the soft foundation, wherein the rotation direction of the first circle of spiral groove is opposite to that of the second circle of spiral groove, so that the trunking is formed on the surface of the soft foundation, and the outer surface of the soft foundation is divided into a plurality of sand areas through the spiral grooves;
step two, forming the reinforcing net, namely selecting two reinforcing wires to be wound along two spiral grooves on the surface of the soft foundation respectively, so that the two reinforcing wires are mutually matched and wound into the reinforcing net, and the diameter of the reinforcing wire is ensured to be smaller than the depth of the spiral grooves;
step three, fixing the reinforcing mesh, namely filling adhesive in the bottom surface of the wire groove on the basis of the reinforcing wire can be soaked, and then drying the soft foundation to solidify the adhesive so as to realize the fixation of the reinforcing mesh and the soft foundation;
winding a shielding strip, namely respectively winding the shielding strip along the two spiral grooves on the surface of the soft foundation to shield the wire grooves on the surface of the soft foundation;
step five, gluing, namely uniformly coating adhesive glue on the surface of the soft base wound with the shielding strip;
step six, sand blasting, namely uniformly spraying the grinding sand on the surface of the soft base after the glue is coated;
step seven, pre-drying and detaching the shielding strip, drying the soft base sprayed with the grinding sand, taking out the soft base when the bonding glue is in a semi-solid state, and detaching the shielding strip from the surface of the soft base sprayed with the grinding sand;
and step eight, completely drying, namely drying the soft base with the shielding strip removed again, and completely forming a solid shape along the bonding glue, so that the seamless abrasive belt can be formed.
Through adopting above-mentioned technical scheme, two circles of helicla flutes and winding reinforcing mesh of adoption, and can the effectual intensity of reinforcing soft base, and the deformation of effectual suppression soft base in the use, and because soft base surface begins to be equipped with the compliance reinforcing that the wire casing can make the surface of soft base, the workpiece surface of laminating more, when seamless abrasive band rotates and polishes the work piece, the abrasive dust that seamless abrasive band polished work piece produced can be followed the wire casing discharge of seamless abrasive band, secondly in process of production, adopt to shield the strip and can avoid the abrasive sand to fall into the wire casing, when the bonding glue is dried to semi-solid state form, will shield the strip again and get rid of can effectually avoid the bonding glue mobility when stronger drying the glue solution that leads to and flow to the wire casing completely.
The invention is further configured to: and step one, when two circles of spiral grooves are formed along the outer surface of the soft foundation, the heated steel is adopted to scald the spiral grooves on the surface of the soft foundation.
Through adopting above-mentioned technical scheme, the spiral groove is scalded out to the surface of soft base to the steel needle after adopting the heating, easy operation, in addition, because the spiral groove is scalded out for adopting the steel needle, therefore the global of spiral groove can not produce stress concentration department on the soft base, and the spiral groove position department intensity of soft base can increase, and then can further increase the intensity and the tear resistance of soft base.
The invention is further configured to: the depth of the spiral groove is more than twice of the diameter of the reinforcing wire.
Through adopting above-mentioned technical scheme, the chip removal that can be convenient for the abrasive dust through the twice of the helical groove degree of depth chance enhancement line diameter that adopts.
The invention is further configured to: the shielding strip comprises a release paper shielding strip.
Through adopting above-mentioned technical scheme, adopt to cover the strip and can avoid covering the strip and bond in soft basic surface from type paper as to be convenient for cover the separation of strip.
The invention is further configured to: the masking strip comprises a traceless adhesive tape masking strip.
By adopting the technical scheme, the adopted traceless adhesive tape is used as the shielding strip, so that the operation is convenient, the cost is low, and the shielding property is strong.
In conclusion, the beneficial technical effects of the invention are as follows:
1. when the abrasive belt is used, when the seamless abrasive belt rotates to polish a workpiece, abrasive dust generated by polishing the workpiece by the seamless abrasive belt can be discharged from a wire groove of the seamless abrasive belt, part of the abrasive dust filled into the wire groove can be separated from the surface of the workpiece through the wire groove along with the rotation of the abrasive belt, and due to the soft foundation, the soft foundation can deform along with the rotation of the abrasive belt in the rotating process of the abrasive belt, so that the wire groove can expand the width of the wire groove along with the rotation of the soft foundation, abrasive materials permeating into the wire groove can be separated from the wire groove, in addition, the adopted reinforcing mesh can further increase the strength of the seamless abrasive belt, can limit the deformation of the abrasive belt, ensure the use of the abrasive belt and prolong the service life of the abrasive belt;
2. the adopted two circles of spiral grooves are wound with the reinforcing net, the strength of the soft foundation can be effectively enhanced, the deformation of the soft foundation in the use process can be effectively inhibited, the surface of the soft foundation can be enhanced in softness due to the fact that the wire grooves are formed in the surface of the soft foundation, the soft foundation can be attached to the surface of a workpiece, abrasive dust generated by the seamless abrasive belt grinding workpiece can be discharged from the wire grooves of the seamless abrasive belt when the seamless abrasive belt rotates to grind the workpiece, then in the production process, the shielding strips can be adopted to prevent grinding sand from falling into the wire grooves, and when the adhesive glue is dried to be in a semi-solid state, the shielding strips are removed, so that the problem that the glue liquid caused by drying when the flowability of the adhesive glue is strong can;
3. the heated steel needle is adopted to scald the spiral groove on the surface of the soft base, the operation is simple, in addition, the spiral groove is scalded out by the steel needle, so that the stress concentration position cannot be generated on the peripheral surface of the spiral groove on the soft base, the strength of the position of the spiral groove of the soft base can be increased, and the strength and the tear resistance of the soft base can be further increased.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic view of the reinforcing mesh structure of the present invention.
In the figure, 1, soft foundation; 2. a sand zone; 3. a wire slot; 4. a reinforcing mesh; 41. and (4) reinforcing the wire.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: referring to fig. 1, the seamless abrasive belt for precision instrument grinding disclosed by the invention comprises a soft foundation 1, wherein the soft foundation 1 adopts a fiber rubber foundation, a plurality of sand areas 2 are arranged on the outer side of the soft foundation 1, wire grooves 3 which are communicated in a crossed manner are formed between the soft foundation 1 and the adjacent sand areas 2, the wire grooves 3 comprise spiral grooves which are arranged in opposite rotation directions, and a reinforcing wire 41 is a nylon wire. Each sand area 2 is bonded with sand grains, the outer side of the soft foundation 1 is further bonded with a reinforcing net 4 embedded in the wire casing 3, and the reinforcing net 4 comprises a plurality of reinforcing wires 41 respectively wound in the two spiral grooves.
The implementation principle of the embodiment is as follows: when the abrasive belt grinding machine is used, when a seamless abrasive belt rotates to grind a workpiece, abrasive dust generated by grinding the workpiece by the seamless abrasive belt can be discharged from a wire groove 3 of the seamless abrasive belt, part of the abrasive dust filled into the wire groove 3 can be separated from the surface of the workpiece through the wire groove 3 along with the rotation of the abrasive belt, and due to the soft foundation 1, the soft foundation 1 can deform along with the rotation of the abrasive belt in the rotating process of the abrasive belt, so that the wire groove 3 can expand the width of the wire groove 3 along with the rotation of the soft foundation 1, abrasive materials permeating into the wire groove 3 can be separated from the wire groove 3, in addition, the adopted reinforcing mesh 4 can further increase the strength of the seamless abrasive belt, can limit the deformation of the abrasive belt, ensure the use of the abrasive belt and prolong the service life of the abrasive belt.
Example two: a manufacturing method of a seamless abrasive belt for precision instrument grinding comprises the following steps:
step one, forming a soft foundation trunking, namely selecting an annular fiber rubber substrate as a soft foundation, forming a first circle of spiral groove along the outer surface of the soft foundation, forming a second circle of spiral groove along the outer surface of the soft foundation, and enabling the rotation direction of the first circle of spiral groove to be opposite to that of the second circle of spiral groove, so that the trunking is formed on the surface of the soft foundation, the outer surface of the soft foundation is divided into a plurality of sand areas through the spiral groove, and when two circles of spiral grooves are formed along the outer surface of the soft foundation, the spiral groove is scalded on the surface of the soft foundation by adopting a heated steel needle;
step two, forming the reinforcing net, namely selecting two reinforcing wires to be wound along the two spiral grooves on the surface of the soft foundation respectively, so that the two reinforcing wires are mutually matched and wound into the reinforcing net, the diameter of the reinforcing wire is ensured to be smaller than the depth of the spiral grooves, and the optimal situation is to ensure that the depth of the spiral grooves is larger than twice of the diameter of the reinforcing wires;
step three, fixing the reinforcing mesh, namely filling adhesive in the bottom surface of the wire groove on the basis of the reinforcing wire can be soaked, and then drying the soft foundation to solidify the adhesive so as to realize the fixation of the reinforcing mesh and the soft foundation;
winding a shielding strip, namely respectively winding the shielding strip along two spiral grooves on the surface of the soft foundation to shield the wire grooves on the surface of the soft foundation, wherein the shielding strip can adopt release paper or traceless adhesive tape as the shielding strip;
step five, gluing, namely uniformly coating adhesive glue on the surface of the soft base wound with the shielding strip;
step six, sand blasting, namely uniformly spraying the grinding sand on the surface of the soft base after the glue is coated;
step seven, pre-drying and detaching the shielding strip, drying the soft base sprayed with the grinding sand, taking out the soft base when the bonding glue is in a semi-solid state, and detaching the shielding strip from the surface of the soft base sprayed with the grinding sand;
and step eight, completely drying, namely drying the soft base with the shielding strip removed again, and completely forming a solid shape along the bonding glue, so that the seamless abrasive belt can be formed.
The implementation principle of the embodiment is as follows: the adopted two circles of spiral grooves are wound with the reinforcing net, the strength of the soft foundation can be effectively enhanced, the deformation of the soft foundation in the use process can be effectively inhibited, the surface of the soft foundation can be enhanced in flexibility due to the fact that the wire grooves are formed in the surface of the soft foundation, the surface of a workpiece can be attached to the surface of the workpiece, abrasive dust generated by the seamless abrasive belt grinding workpiece can be discharged from the wire grooves of the seamless abrasive belt when the seamless abrasive belt rotates to grind the workpiece, then the heated steel needle is used for ironing the spiral grooves on the surface of the soft foundation in the production process, the operation is simple, in addition, the spiral grooves are ironed by the steel needle, the peripheral surface of the spiral grooves on the soft foundation cannot generate stress concentration positions, the strength of the positions of the spiral grooves of the soft foundation can be increased, further, the strength and the tear resistance of the soft foundation can be increased, the shielding strips can be used for avoiding abrasive sand from falling into the, the shielding strip is removed, so that the problem that glue liquid caused by drying when the flowability of the bonding glue is stronger completely flows into the wire slot can be effectively avoided, the shielding strip can be prevented from being bonded on the surface of the soft base by taking release paper as the shielding strip, and the adopted traceless adhesive tape is taken as the shielding strip, so that the operation is convenient, the cost is low, and the shielding property is strong.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. A seamless abrasive belt for precision instrument grinding is characterized in that: the novel sand box is characterized by comprising a soft foundation (1), wherein a plurality of sand areas (2) are arranged on the outer side of the soft foundation (1), wire grooves (3) which are communicated in a crossed mode are formed between the soft foundation (1) and the adjacent sand areas (2), sand grains are bonded to the sand areas (2), and reinforcing nets (4) embedded in the wire grooves (3) are further bonded to the outer side of the soft foundation (1).
2. The seamless abrasive belt for precision instrument grinding according to claim 1, characterized in that: the wire groove (3) comprises two spiral grooves with opposite rotation directions, and the reinforcing net (4) comprises a plurality of reinforcing wires (41) respectively wound in the two spiral grooves.
3. The seamless abrasive belt for precision instrument grinding according to claim 1, characterized in that: the soft base (1) comprises a fiber rubber substrate.
4. The seamless abrasive belt for precision instrument grinding according to claim 1, characterized in that: the reinforcing thread (41) comprises a nylon thread.
5. A manufacturing method of a seamless abrasive belt for precision instrument grinding is characterized by comprising the following steps:
step one, forming a soft foundation trunking, namely selecting an annular fiber rubber substrate as a soft foundation, forming a first circle of spiral groove along the outer surface of the soft foundation, and forming a second circle of spiral groove along the outer surface of the soft foundation, wherein the rotation direction of the first circle of spiral groove is opposite to that of the second circle of spiral groove, so that the trunking is formed on the surface of the soft foundation, and the outer surface of the soft foundation is divided into a plurality of sand areas through the spiral grooves;
step two, forming the reinforcing net, namely selecting two reinforcing wires to be wound along two spiral grooves on the surface of the soft foundation respectively, so that the two reinforcing wires are mutually matched and wound into the reinforcing net, and the diameter of the reinforcing wire is ensured to be smaller than the depth of the spiral grooves;
step three, fixing the reinforcing mesh, namely filling adhesive in the bottom surface of the wire groove on the basis of the reinforcing wire can be soaked, and then drying the soft foundation to solidify the adhesive so as to realize the fixation of the reinforcing mesh and the soft foundation;
winding a shielding strip, namely respectively winding the shielding strip along the two spiral grooves on the surface of the soft foundation to shield the wire grooves on the surface of the soft foundation;
step five, gluing, namely uniformly coating adhesive glue on the surface of the soft base wound with the shielding strip;
step six, sand blasting, namely uniformly spraying the grinding sand on the surface of the soft base after the glue is coated;
step seven, pre-drying and detaching the shielding strip, drying the soft base sprayed with the grinding sand, taking out the soft base when the bonding glue is in a semi-solid state, and detaching the shielding strip from the surface of the soft base sprayed with the grinding sand;
and step eight, completely drying, namely drying the soft base with the shielding strip removed again, and completely forming a solid shape along the bonding glue, so that the seamless abrasive belt can be formed.
6. The seamless abrasive belt for precision instrument grinding according to claim 5, characterized in that: and step one, when two circles of spiral grooves are formed along the outer surface of the soft foundation, the heated steel is adopted to scald the spiral grooves on the surface of the soft foundation.
7. The seamless abrasive belt for precision instrument grinding according to claim 5, characterized in that: the depth of the spiral groove is more than twice of the diameter of the reinforcing wire.
8. The seamless abrasive belt for precision instrument grinding according to claim 5, characterized in that: the shielding strip comprises a release paper shielding strip.
9. The seamless abrasive belt for precision instrument grinding according to claim 5, characterized in that: the masking strip comprises a traceless adhesive tape masking strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149244.5A CN110962051B (en) | 2019-11-21 | 2019-11-21 | Seamless abrasive belt for precision instrument grinding and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149244.5A CN110962051B (en) | 2019-11-21 | 2019-11-21 | Seamless abrasive belt for precision instrument grinding and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN110962051A true CN110962051A (en) | 2020-04-07 |
| CN110962051B CN110962051B (en) | 2022-02-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070015444A1 (en) * | 2005-01-12 | 2007-01-18 | Psiloquest | Smoothing pad for bare semiconductor wafers |
| CN102094365A (en) * | 2009-12-09 | 2011-06-15 | 上海奉贤久安工具厂 | Fiber web reinforced vulcanized paper and reinforced sand paper |
| CN103722500A (en) * | 2013-11-27 | 2014-04-16 | 苏州道众机械制造有限公司 | Grinding abrasive belt |
| CN205363630U (en) * | 2015-11-26 | 2016-07-06 | 成都德善能科技有限公司 | Soft basic abrasive band |
| CN105751089A (en) * | 2016-04-14 | 2016-07-13 | 常州市金牛研磨有限公司 | Abrasive band |
| CN205600531U (en) * | 2016-05-06 | 2016-09-28 | 湖北玉立砂带集团股份有限公司 | Abrasive band is prevented blockking up by rhombus |
| CN207014216U (en) * | 2017-02-22 | 2018-02-16 | 常州市金牛研磨有限公司 | Heavy abrasive band |
-
2019
- 2019-11-21 CN CN201911149244.5A patent/CN110962051B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070015444A1 (en) * | 2005-01-12 | 2007-01-18 | Psiloquest | Smoothing pad for bare semiconductor wafers |
| CN102094365A (en) * | 2009-12-09 | 2011-06-15 | 上海奉贤久安工具厂 | Fiber web reinforced vulcanized paper and reinforced sand paper |
| CN103722500A (en) * | 2013-11-27 | 2014-04-16 | 苏州道众机械制造有限公司 | Grinding abrasive belt |
| CN205363630U (en) * | 2015-11-26 | 2016-07-06 | 成都德善能科技有限公司 | Soft basic abrasive band |
| CN105751089A (en) * | 2016-04-14 | 2016-07-13 | 常州市金牛研磨有限公司 | Abrasive band |
| CN205600531U (en) * | 2016-05-06 | 2016-09-28 | 湖北玉立砂带集团股份有限公司 | Abrasive band is prevented blockking up by rhombus |
| CN207014216U (en) * | 2017-02-22 | 2018-02-16 | 常州市金牛研磨有限公司 | Heavy abrasive band |
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| CN110962051B (en) | 2022-02-08 |
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