CN110480526B - Wear-resistant abrasive paper and production process thereof - Google Patents
Wear-resistant abrasive paper and production process thereof Download PDFInfo
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- CN110480526B CN110480526B CN201910786938.3A CN201910786938A CN110480526B CN 110480526 B CN110480526 B CN 110480526B CN 201910786938 A CN201910786938 A CN 201910786938A CN 110480526 B CN110480526 B CN 110480526B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 46
- 239000006061 abrasive grain Substances 0.000 claims abstract description 38
- 239000000853 adhesive Substances 0.000 claims abstract description 37
- 230000001070 adhesive effect Effects 0.000 claims abstract description 37
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000004576 sand Substances 0.000 claims abstract description 28
- 239000003082 abrasive agent Substances 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims description 78
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 23
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 23
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 23
- 241001330002 Bambuseae Species 0.000 claims description 22
- 239000011425 bamboo Substances 0.000 claims description 22
- 239000012790 adhesive layer Substances 0.000 claims description 20
- 239000004816 latex Substances 0.000 claims description 15
- 229920000126 latex Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 210000001503 joint Anatomy 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000002981 blocking agent Substances 0.000 claims description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- 239000003522 acrylic cement Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 7
- 238000005516 engineering process Methods 0.000 claims 1
- 238000003892 spreading Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 9
- 239000008187 granular material Substances 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 9
- 244000137852 Petrea volubilis Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses wear-resistant abrasive paper and a production process thereof, which solve the problem that abrasive paper is easy to block by abrasive dust on the abrasive paper when in use in the prior art, and have the technical key points that: the utility model provides a wear-resisting abrasive paper, includes base member layer, adhesive linkage, abrasive material layer in proper order, the abrasive material layer includes that the bottom is put into first abrasive grain in the adhesive linkage and mesh number is less than first abrasive grain, put into the second abrasive grain on the clearance adhesive linkage between first abrasive grain, the coating has anti-blocking layer on the adhesive linkage. Through the above scheme, adopt two kinds of abrasive particles different in size in the abrasive material layer to make less abrasive particle distribute between big abrasive particle, make the clearance between each granule of abrasive material layer more compact, make abrasive paper when using, in the clearance between the abrasive material is difficult to stay to the abrasive dust, the coating prevents stifled layer on the abrasive material layer simultaneously and will avoid the abrasive dust to bond on the sand face, and then finally makes abrasive paper fully usable, life is longer.
Description
Technical Field
The invention relates to the technical field of abrasive paper manufacturing, in particular to wear-resistant abrasive paper and a production process thereof.
Background
The main raw materials of the sandpaper are a base material, an abrasive and an adhesive. The abrasive is a grinding and polishing tool made by adhering an abrasive to a base material by using an adhesive, and is sometimes used for increasing friction force. The sand paper is mainly used for the fields of painting and grinding of high-grade furniture and wooden products, fine grinding of artware, metal polishing and the like. In order to improve the strength of the sandpaper, the substrate is required to have not only toughness but also good wear resistance and water resistance.
And current abrasive paper, it is relatively poor to generally waterproof ability, and abrasive paper can produce high temperature when the grinding simultaneously, and the local abrasive material on this moment abrasive paper can bond with by the abrasive dust on the mill work piece and mix together, and stifled on the sand surface leads to the unable full play effect of abrasive material on the abrasive paper, causes the life of abrasive paper to end in advance, has reduced the life of abrasive paper, consequently, produces high-quality abrasive paper and becomes the direction that the effort was needed to china's abrasive paper industry urgent need.
Disclosure of Invention
The invention aims to provide wear-resistant abrasive paper, and aims to effectively reduce the occurrence of material blockage in the use process of the abrasive paper.
The invention is realized by the following technical scheme:
the utility model provides a wear-resisting abrasive paper, includes base member layer, adhesive linkage, abrasive material layer in proper order, the abrasive material layer includes that the bottom is put into first abrasive particle and mesh number in the adhesive linkage and is less than first abrasive particle, put into the second abrasive particle on the clearance adhesive linkage between first abrasive particle, the coating has anti-blocking layer on the abrasive material layer.
Through adopting above-mentioned technical scheme, adopt the abrasive particles of two kinds of sizes not different in the abrasive material layer to make less abrasive particles distribute between big abrasive particle, make the clearance between each granule of abrasive material layer more compact, make abrasive paper when using, in the clearance between the abrasive material is difficult to stay to the abrasive dust, the anti-blocking layer that coats on the abrasive material layer will avoid the abrasive dust to bond on the sand face simultaneously, and then finally make abrasive paper fully usable, life is longer.
Further setting the following steps: the first abrasive particles and the second abrasive particles are far away from one end of the base layer and are all located outside the anti-blocking layer, and the distance between the second abrasive particles and the base layer is larger than the distance between the first abrasive particles and the base layer.
Through adopting above-mentioned technical scheme, make the friction end of first grit and second grit very close in the direction of perpendicular base member layer, and then make abrasive paper more exquisite to the dull polish effect of material when carrying out the dull polish, and reduced the space that the abrasive dust can imbed on the abrasive material layer, reduce the putty problem and take place.
Further setting the following steps: the mesh number of the first abrasive particles is 1000-1500 meshes, and the mesh number of the second abrasive particles is 4000-7000 meshes.
Through adopting above-mentioned technical scheme, great first grit can make abrasive paper more fast when the dull polish will wait to grind the material surperficial irregular arch and grind off, and the less second grit can finally make the more fine and smooth of material surperficial dull polish effect simultaneously.
Further setting the following steps: the material of the bonding layer is one of polyvinyl alcohol aqueous adhesive, acrylic acid aqueous adhesive, polyurethane aqueous adhesive and epoxy aqueous adhesive.
Through adopting above-mentioned technical scheme, above-mentioned several kinds of gluing agent all belong to the environment-friendly gluing agent, and is less to the environmental impact, and pungent smell is less or does not have pungent smell, can effectively ensure producers to carry out safety in production.
Further setting the following steps: the anti-blocking layer is zinc stearate.
Through adopting above-mentioned technical scheme, zinc stearate has thermal stability, makes abrasive paper be difficult to influence the adhesive linkage that the abrasive material was stained with at the heat that the dull polish in-process produced, and simultaneously, zinc stearate has the lubricity, and tiny abrasive dust will be difficult to be stained with when getting into the gap between the abrasive material and attach on anti-blocking layer to reduce the problem emergence of abrasive paper putty.
The invention also aims to provide a production process capable of efficiently producing the wear-resistant abrasive paper.
Step a: preparing latex paper stock and gluing: pulping fiber raw materials, making paper sheets by using a fourdrinier paper machine, drying the paper sheets to obtain base paper, infiltrating the base paper with latex, and airing to obtain latex paper stock; after the latex paper stock is obtained, coating an adhesive on the latex paper stock to form an adhesive layer;
step b: primary sand planting: preparing a first abrasive grain coating, and performing high-voltage electrostatic sand planting on the bonding layer by means of an electrostatic sand planting machine;
step c: primary glue compounding: coating a layer of adhesive on the bonding layer and the first abrasive particles on the bonding layer again after sand planting for glue compounding;
step d: secondary sand planting: preparing a second abrasive grain coating, and performing secondary sand planting on the bonding layer planted with the first abrasive grains by using an electrostatic sand planting machine;
step e: secondary glue compounding: coating a layer of adhesive on the compound adhesive layer and the first abrasive particles and the second abrasive particles on the compound adhesive layer after secondary sand planting, and forming an abrasive material layer by the second abrasive particles and the first abrasive particles;
step f: spraying an anti-blocking agent: coating an anti-blocking coating agent on the abrasive layer, and rolling the sand paper under a rolling machine after coating;
step g: heating and curing: carrying out constant-temperature curing on the sand paper roll by using a constant-temperature curing furnace;
step h: softening and humidifying: spraying a humidifying agent on the back of the solidified abrasive paper roll after the solidified abrasive paper roll is unfolded for humidifying;
step i: drying and rolling: and drying the sand paper roll, rolling and placing after drying.
Through adopting above-mentioned technical scheme, two kinds of abrasive grains bond on the base member layer in proper order, and great first abrasive grain bonds on the gluing agent of coating on the base member layer earlier, make follow-up less second abrasive grain can distribute to between each first abrasive grain under the electrostatic action when bonding, realize evenly bonding first abrasive grain and second abrasive grain on the base member layer, follow-up spraying anti-blocking agent and solidify abrasive paper, realize fixing smoothly first abrasive grain and second abrasive grain on abrasive paper, realize this kind of high-efficient production that has two kinds of abrasive grain abrasive paper.
Further setting the following steps: be provided with the adjustable rest that is used for placing the abrasive paper reel in the constant temperature curing oven, adjustable rest includes that two sets of difference vertical rotation set up be in back shaft on the wall of curing chamber both sides and along axial swing joint in the butt section of thick bamboo of back shaft tip, a butt section of thick bamboo with the back shaft rotates in step, be provided with on the outer wall of butt section of thick bamboo circumference and be used for driving the same pivoted connecting piece of abrasive paper reel, wherein a set of the back shaft is in be connected with in the furnace body and be used for driving pivoted driving motor.
By adopting the technical scheme, when the abrasive paper winding drum needs to be heated and cured, the supporting barrel on the supporting shaft in the adjustable rest stand can move, so that the two ends of the abrasive paper winding drum can be sleeved on the supporting barrels on the two sides, and the connection between the abrasive paper winding drum and the supporting barrels is realized by utilizing the connecting piece. Simultaneously, because a butt joint section of thick bamboo rotates with the back shaft is synchronous, the back shaft rotates to be connected on the lateral wall of curing chamber, and then realizes the rotation installation of abrasive paper reel in the curing chamber, and realize rotating the abrasive paper reel in the heating curing in-process through driving motor, make each part of abrasive paper reel be heated more evenly, effectively promote the solidification effect of abrasive paper reel, and then make twice coating gluing agent on the base member layer obtain fully curing, guarantee follow-up resistant abrasive paper's yield.
Further setting the following steps: the butt joint barrel is a hollow device with two open ends, a sliding block used for being connected with the supporting shaft in a sliding mode is fixedly arranged on the circumferential inner wall of the butt joint barrel, a sliding groove extending along the axial direction is formed in the circumferential outer wall of the supporting shaft, the sliding block is inserted into the sliding groove in a sliding mode, and a positioning piece used for positioning the butt joint barrel is arranged on the supporting shaft.
Through adopting above-mentioned technical scheme, realize with the help of the sliding block with set up the sliding tray cooperation on the outer wall of back shaft circumference that a butt section of thick bamboo slidable mounting realizes rotating with the back shaft is synchronous when supporting epaxial, and then makes the abrasive paper reel cup joint when the installation of abrasive paper reel but two butt section of thick bamboos of quick travel to can follow the back shaft smoothly and rotate at follow-up with the help of setting element location back abrasive paper reel.
Further setting the following steps: the supporting shaft is provided with a thread groove in a winding mode on the circumferential outer wall, the positioning piece is in threaded sleeve connection with the positioning ring on the supporting shaft, the positioning ring is located on one side, away from the other abutting cylinder, of the abutting cylinder, the insertion hole is formed in the circumferential outer wall of the positioning ring, and a rotating rod used for driving the positioning ring to rotate is movably inserted in the insertion hole.
Through adopting above-mentioned technical scheme, the holding ring is established on the back shaft with the help of screw thread groove thread bush, and then the rotational positioning ring can inject the position of a butt joint section of thick bamboo on supporting the epaxial, and the dwang that jack and cooperation jack on the holding ring set up makes can convenient and fast more when needs rotational positioning ring simultaneously.
Further setting the following steps: the connecting piece is the fixed setting and is in the elasticity glue film of butt section of thick bamboo circumference outer wall.
Through adopting above-mentioned technical scheme, elastic colloid utilizes the holding ring to stretch into in the abrasive paper reel at a butt section of thick bamboo, and then realizes being connected simple swift, dismouting rapidly with the abrasive paper reel and a butt section of thick bamboo through elastic colloid's frictional force.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) gaps among abrasive grains on the abrasive paper are small, and meanwhile, an anti-blocking layer is coated on the outer side of the abrasive paper, so that the problem of abrasive dust blocking in the grinding process can be effectively reduced;
(2) the abrasive paper production process is fast and stable, and the constant-temperature curing furnace can uniformly heat and cure the abrasive paper roll in the production process, so that two kinds of abrasive grains can be stably bonded on the bonding layer, and the production yield of the abrasive paper is improved.
Drawings
FIG. 1 is a schematic diagram of a construction of a wear-resistant sandpaper;
FIG. 2 is a vertical cross-sectional view of a curing chamber in a constant temperature curing oven;
FIG. 3 is a schematic view of an adjustable shelf in a constant temperature curing oven.
Reference numerals: 1. a substrate layer; 2. an adhesive layer; 3. an abrasive layer; 4. first abrasive grains; 5. second abrasive grains; 6. an anti-blocking layer; 7. a curing chamber; 8. a support shaft; 9. a butting cylinder; 10. a drive motor; 11. a slider; 12. a sliding groove; 13. a positioning ring; 14. a jack; 15. a limiting screen plate; 16. an elastic glue layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the wear-resistant abrasive paper disclosed by the invention sequentially comprises a substrate layer 1, an adhesive layer 2 and an abrasive layer 3, wherein the abrasive layer 3 comprises first abrasive grains 4 with the bottom ends embedded in the adhesive layer 2 and second abrasive grains 5 with the mesh number smaller than that of the first abrasive grains 4 and embedded on the adhesive layer 2 in gaps among the first abrasive grains 4, and meanwhile, an anti-blocking layer 6 is coated above the adhesive layer 2. The adhesive layer 2 is formed by coating polyvinyl alcohol aqueous adhesive on the surface of the substrate layer 1 (one of acrylic aqueous adhesive, polyurethane aqueous adhesive and epoxy aqueous adhesive can be selected), and the anti-blocking layer 6 is formed by coating zinc stearate on the surface of the adhesive layer 2.
The mesh number of the first abrasive particles 4 is 1000-1500 meshes, the mesh number of the second abrasive particles 5 is 4000-7000 meshes, and the ends, far away from the base layer 1, of the first abrasive particles 4 and the second abrasive particles are both located outside the anti-blocking layer 6, and meanwhile, the distance between the second abrasive particles 5 and the base layer 1 is larger than the distance between the first abrasive particles 4 and the base layer 1, so that the tops, far away from the base layer 1, of the two types of abrasive particles are close to each other.
The production process of the wear-resistant abrasive paper comprises the following specific steps:
step a: preparing latex paper stock and gluing: pulping fiber raw materials, making paper sheets by using a fourdrinier paper machine, drying the paper sheets to obtain base paper, infiltrating the base paper with latex, and airing to obtain latex paper stock; after the latex paper stock is obtained, coating an adhesive on the latex paper stock to form an adhesive layer 2;
step b: primary sand planting: preparing a first abrasive particle 4 coating, and performing high-voltage electrostatic sand planting on the bonding layer 2 by means of an electrostatic sand planting machine;
step c: primary glue compounding: coating a layer of adhesive on the bonding layer 2 and the first abrasive particles 4 on the bonding layer again after sand planting for glue compounding;
step d: secondary sand planting: preparing a second abrasive grain 5 coating, and performing secondary sand planting on the bonding layer 2 planted with the first abrasive grains 4 by using an electrostatic sand planting machine;
step e: secondary glue compounding: after secondary sand planting, coating a layer of adhesive on the compound adhesive layer and the first abrasive particles 4 and the second abrasive particles 5 on the compound adhesive layer again, and forming the abrasive material layer 3 by the second abrasive particles 5 and the first abrasive particles 4;
step f: spraying an anti-blocking agent: coating an anti-blocking coating agent on the abrasive layer 3, and winding the sand paper under a winding machine after coating;
step g: heating and curing: carrying out constant-temperature curing on the abrasive paper roll by using a constant-temperature curing furnace;
step h: softening and humidifying: spraying a humidifying agent on the back of the solidified abrasive paper roll after the solidified abrasive paper roll is unfolded for humidifying;
step i: drying and rolling: and drying the sand paper roll, rolling and placing after drying.
Referring to fig. 2, in order to stably cure the twice-coated adhesive and the first abrasive grains 4 and the second abrasive grains 5 thereon, two sets of adjustable shelves for rotatably mounting the abrasive paper roll are disposed in the constant temperature curing oven. The constant temperature curing oven is provided with a curing chamber 7 and a heating chamber (not shown in the figure), wherein the heating chamber is communicated with the curing chamber 7 and is used for delivering high-temperature gas for heating the sand paper roll.
Referring to fig. 2 and 3, each set of adjustable shelves includes two support shafts 8 rotatably disposed on the inner walls of the two sides of the curing chamber 7, and an abutting cylinder 9 movably sleeved on the end of the support shaft 8 along the axial direction. The two support shafts 8 are rotatably mounted by means of rotating lug seats fixedly mounted on the inner wall of the curing chamber 7, and the axial directions of the two support shafts 8 are positioned on the same horizontal axis perpendicular to the inner wall of the curing chamber 7. Meanwhile, the two groups of support shafts 8 penetrate through the inner wall of the curing chamber 7 and are connected with a driving motor 10 arranged in the furnace body, and the support shafts 8 can be driven to rotate when the driving motor 10 is started. It is worth noting that the minimum spacing between the two support shafts 8 is greater than the axial length of the coated abrasive roll that is required to be heated for curing.
Referring to fig. 3, the abutting cylinder 9 is a hollow arrangement with two open ends, a sliding block 11 for slidably connecting the supporting shaft 8 is fixedly arranged on the circumferential inner wall of the abutting cylinder 9, and a sliding groove 12 extending along the axial direction is formed in the circumferential outer wall of the supporting shaft 8. The sliding block 11 is inserted into the sliding groove 12 in a sliding manner when the abutting cylinder 9 is sleeved on the supporting shaft 8, and a positioning part for limiting the abutting cylinder 9 is arranged on the supporting shaft 8. Around being equipped with the screw thread groove on the 8 circumference outer walls of back shaft, the setting element is the holding ring 13 on the back shaft 8 of threaded sleeve, and holding ring 13 is in the one side that another butt joint section of thick bamboo 9 was kept away from to butt joint section of thick bamboo 9, has seted up jack 14 on the 13 circumference outer walls of holding ring to for convenient rotational positioning ring 13, the activity is pegged graft in a jack 14 and is had and be used for driving holding ring 13 pivoted dwang (not shown in the figure).
The holding ring 13 is sleeved on the supporting shaft 8 by means of a thread groove, and then the position of the abutting cylinder 9 on the supporting shaft 8 can be limited by the rotating holding ring 13, and meanwhile, the jack 14 on the holding ring 13 and the rotating rod arranged by the matching jack 14 can be more convenient and faster when the holding ring 13 needs to be rotated. When the abrasive paper winding drum needs to be installed or detached on the abutting cylinders 9, the minimum distance between the two abutting cylinders 9 can be smoothly conducted by adjusting and controlling the positioning rings 13 to be larger than the abrasive paper winding drum.
Referring to fig. 3, a limiting screen plate 15 parallel to the end face of the abutting cylinder 9 is fixedly arranged on the circumferential outer wall of the abutting cylinder 9, the limiting screen plate 15 is located at one end, away from another abutting cylinder 9, of the abutting cylinder 9, and an elastic adhesive layer 16 is arranged on the circumferential outer wall of the abutting cylinder 9, and the outer diameter of the elastic adhesive layer 16 is slightly larger than the diameter of the abrasive paper winding drum. Elastic colloid utilizes holding ring 13 to stretch into in the abrasive paper reel when an abutment section of thick bamboo 9 utilizes, and then realizes driving the connection with the frictional force of an abrasive paper reel and an abutment section of thick bamboo 9 through elastic colloid to finally can drive back shaft 8, an abutment section of thick bamboo 9 and abrasive paper reel 7 internal rotations in the curing chamber after opening driving motor 10.
The implementation principle and the beneficial effects of the embodiment are as follows: coating adhesive twice in the production process of the abrasive paper, implanting first abrasive particles 4 and second abrasive particles 5 into the adhesive coated on the base layer 1 by utilizing electrostatic sand implantation, so that gaps among the abrasive particles of the abrasive layer 3 are smaller, and meanwhile, the anti-blocking layer 6 sprayed on the adhesive layer 2 makes the gaps among the abrasive particles more difficult to fill with the abrasive materials, so that the abrasive paper is more wear-resistant and durable in use after being produced; simultaneously, carry out the heating and solidification to the abrasive paper roll with the help of the constant temperature curing oven of rotatable heating abrasive paper roll in process of production, can effectively improve the stability of twice coating the gluing agent on base member layer 1, form stable adhesive linkage 2 and abrasive material layer 3, improve the production quality of this wear-resisting abrasive paper and the service quality of follow-up wear-resisting abrasive paper when using.
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 production process of wear-resistant abrasive paper is characterized by comprising the following steps: the method comprises the following steps:
step a: preparing latex paper stock and gluing: pulping fiber raw materials, making paper sheets by using a fourdrinier paper machine, drying the paper sheets to obtain base paper, infiltrating the base paper with latex, and airing to obtain latex paper stock; after the latex paper stock is obtained, coating an adhesive on the latex paper stock to form an adhesive layer (2);
step b: primary sand planting: preparing a first abrasive particle (4) coating, and performing high-voltage electrostatic sand planting on the bonding layer (2) by means of an electrostatic sand planting machine;
step c: primary glue compounding: coating a layer of adhesive on the bonding layer (2) and the first grinding particles (4) on the bonding layer again after sand planting for glue compounding;
step d: secondary sand planting: preparing a second abrasive grain (5) coating, and performing secondary sand planting on the bonding layer (2) planted with the first abrasive grains (4) by using an electrostatic sand planting machine;
step e: secondary glue compounding: after secondary sand planting, coating a layer of adhesive on the compound adhesive layer and the first abrasive grains (4) and the second abrasive grains (5) on the compound adhesive layer again, and forming an abrasive material layer (3) by the second abrasive grains (5) and the first abrasive grains (4);
step f: spraying an anti-blocking agent: coating an anti-blocking agent on the abrasive layer (3), and rolling the coated abrasive paper under a rolling machine;
step g: heating and curing: carrying out constant-temperature curing on the abrasive paper roll by using a constant-temperature curing furnace;
step h: softening and humidifying: spreading the solidified abrasive paper roll, and spraying a humidifying agent on the back surface of the abrasive paper roll for humidifying;
step i: drying and rolling: drying the abrasive paper roll, rolling and placing after drying;
wear-resisting abrasive paper who makes through above-mentioned technology includes base member layer (1), adhesive linkage (2), abrasive material layer (3) in proper order, abrasive material layer (3) are less than including bottom put into first abrasive grain (4) and mesh number in adhesive linkage (2) first abrasive grain (4), put into second abrasive grain (5) on clearance adhesive linkage (2) between first abrasive grain (4), it has anti-blocking layer (6) to coat on adhesive linkage (2).
2. The process of claim 1 for producing abrasion-resistant abrasive paper, wherein: one ends, far away from the base layer (1), of the first abrasive particles (4) and the second abrasive particles (5) are located outside the anti-blocking layer (6), and the distance between the second abrasive particles (5) and the base layer (1) is larger than the distance between the first abrasive particles (4) and the base layer (1).
3. The process of claim 1 for producing abrasion-resistant abrasive paper, wherein: the mesh number of the first abrasive particles (4) is 1000-1500 meshes, and the mesh number of the second abrasive particles (5) is 4000-7000 meshes.
4. The process of claim 2 for producing abrasion-resistant abrasive paper, wherein: the material of the bonding layer (2) is one of polyvinyl alcohol aqueous adhesive, acrylic acid aqueous adhesive, polyurethane aqueous adhesive and epoxy aqueous adhesive.
5. The process of claim 1 for producing abrasion-resistant abrasive paper, wherein: the anti-blocking layer (6) is zinc stearate.
6. The process of claim 1 for producing abrasion-resistant abrasive paper, wherein: be equipped with curing chamber (7) in the constant temperature curing oven, be provided with the adjustable shelf that is used for placing the abrasive paper roll in curing chamber (7), adjustable shelf includes that two sets of difference rotate perpendicularly sets up back shaft (8) on curing chamber (7) both sides inner wall and along axial swing joint in the section of thick bamboo of support shaft (8) tip (9), a section of thick bamboo of support (9) with back shaft (8) synchronous rotation, be provided with on a section of thick bamboo of support (9) circumference outer wall and be used for driving the same pivoted connecting piece of abrasive paper roll, two sets of back shaft (8) are in the constant temperature curing oven in-connection has and is used for drive pivoted driving motor (10).
7. The process of producing abrasion-resistant abrasive paper according to claim 6, wherein: the butt joint section of thick bamboo (9) are the open cavity setting in both ends, the fixed sliding block (11) that are used for sliding connection that are provided with on the butt joint section of thick bamboo (9) circumference inner wall the sliding block (11) of back shaft (8), set up on back shaft (8) circumference outer wall along axially extended sliding tray (12), sliding block (11) slide peg graft in sliding tray (12), be provided with on back shaft (8) and be used for fixing a position the setting element of butt joint section of thick bamboo (9).
8. A process for producing wear-resistant sandpaper as defined in claim 7, wherein: around being equipped with the screw thread groove on back shaft (8) circumference outer wall, the setting element is established for the screw thread cover holding ring (13) on back shaft (8), holding ring (13) are in one side that another butt joint section of thick bamboo (9) was kept away from in butt joint section of thick bamboo (9), jack (14) have been seted up on holding ring (13) circumference outer wall, jack (14) internalization is pegged graft and is had and is used for driving holding ring (13) pivoted dwang.
9. The process of producing abrasion-resistant abrasive paper according to claim 6, wherein: the connecting piece is an elastic adhesive layer (16) fixedly arranged on the circumferential outer wall of the abutting cylinder (9).
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| CN110885622A (en) * | 2019-12-03 | 2020-03-17 | 东莞金太阳研磨股份有限公司 | Sand paper hydrophilic coating |
| CN113059507B (en) * | 2021-03-22 | 2022-09-23 | 武汉乘愿环保科技发展有限责任公司 | Abrasive paper processing method and abrasive paper layered structure |
| CN115179206A (en) * | 2022-07-04 | 2022-10-14 | 杭州永杰研磨材料股份有限公司 | Oil-proof wear-resistant abrasive paper and processing device thereof |
| CN115056150B (en) * | 2022-07-07 | 2023-05-16 | 杭州永杰研磨材料股份有限公司 | Double-sided sand paper and processing equipment |
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| DE2608273B2 (en) * | 1976-02-28 | 1977-12-22 | Carborundum-Werke GmbH, 4000 Düsseldorf | BLADE OR TAPE GRINDING TOOL, METHOD AND APPARATUS FOR MANUFACTURING THE GRINDING TOOL |
| US5578098A (en) * | 1990-10-09 | 1996-11-26 | Minnesota Mining And Manufacturing Company | Coated abrasive containing erodible agglomerates |
| CN101829962B (en) * | 2010-03-25 | 2011-09-14 | 湖北玉立砂带集团股份有限公司 | Sanding belt special for metal composite plate and preparation method thereof |
| CN202292473U (en) * | 2011-08-03 | 2012-07-04 | 东莞市金太阳研磨有限公司 | Novel grinding sand paper |
| CN205009072U (en) * | 2015-09-23 | 2016-02-03 | 淄博理研泰山涂附磨具有限公司 | Open sand dry abrasive paper of planting |
| CN105234850A (en) * | 2015-11-14 | 2016-01-13 | 东莞金太阳研磨股份有限公司 | Abrasive paper production process and coating adhesive formula |
| CN108106416A (en) * | 2017-12-25 | 2018-06-01 | 珠海大白鲨磨料磨具有限公司 | The emery wheel hardening furnace and technique that a kind of multistage Intelligent heating is adjusted |
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Address after: 311500 No. 287, dayuanxi Road, FengChuan street, Tonglu County, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Yongjie abrasive materials Co.,Ltd. Address before: 311500 No. 287, dayuanxi Road, FengChuan street, Tonglu County, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU YONGJIE ABRASIVE Co.,Ltd. |
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