CN114654547A - Multifunctional milling cutter for milling edges of veneer chipboard - Google Patents
Multifunctional milling cutter for milling edges of veneer chipboard Download PDFInfo
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- CN114654547A CN114654547A CN202210090455.1A CN202210090455A CN114654547A CN 114654547 A CN114654547 A CN 114654547A CN 202210090455 A CN202210090455 A CN 202210090455A CN 114654547 A CN114654547 A CN 114654547A
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- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
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Abstract
The invention discloses a multifunctional milling cutter for milling the edge of a veneer chipboard, which comprises a cutter body, wherein 8 multifunctional combined spiral cutter tooth groups are arranged on the peripheral side surface of the cutter body, the 8 multifunctional combined spiral cutter tooth groups are distributed in a centrosymmetric manner, the central angle corresponding to each multifunctional combined spiral cutter tooth group is 45 degrees, and each multifunctional combined spiral cutter tooth group comprises six cutter tooth seats fixedly connected with the cutter body. The invention can reduce the defects of edge breakage, collapse, cutting, stripping and the like when the edge of a wood artificial board, particularly a veneer chipboard, is milled, improve the quality of the processed surface, reduce the abrasion and edge breakage phenomena of cutter teeth, particularly finish machining cutter teeth, realize high-efficiency chip collection by using the chip guide grooves, reduce the milling noise and the like, improve the milling efficiency, reduce the production cost and improve the processing environment.
Description
Technical Field
The application is an invention patent filed in 2019, 03, 12 and the like: application No. 201910183259.7 (entitled "multi-function woodworking milling cutter for milling edges of veneer boards") is a divisional application.
The invention relates to the technical field of cutting processing of wood composite materials, in particular to a multifunctional milling cutter for milling the edge of a veneer particle board.
Background
At present, most of artificial boards need to be subjected to edge milling, and the edge milling treatment of the artificial boards has the following technical purposes: firstly, milling the end part to remove the processing allowance of the artificial board breadth in the length and width directions, so as to facilitate the fixed length and the fixed width of the artificial board size and meet the specified size requirement; secondly, the edges of the plate are neat, the requirements of verticality and parallelism in all directions are met, the error of preorder processing is corrected, and the plate specification is improved; the surface roughness of the edge of the artificial board is reduced, the surface quality is improved, the process performance is improved, and subsequent operations such as gluing, edge sealing, splicing and the like are facilitated.
However, when the edge of a board, especially the edge of a veneer chipboard, is machined by using a milling cutter, because there are great differences in density, hardness, strength, polymerization state, etc. among veneers, surface layers and core layers in the direction perpendicular to the board surface, when the same cutting force is simultaneously applied to the portions where the differences in properties are significant in the machining by using a conventional milling cutter, the internal stress and the strain type exhibited by each portion after being applied with force are different, and thus the machining defects such as cutting, peeling, splitting, etc. are easily caused. In addition, influenced by the thick wood shavings of sandwich layer, the blade of traditional milling cutter easily wears, collapses, and the smear metal easily blocks up between the sword tooth, makes the chip removal difficult for processingquality and efficiency are difficult to obtain the assurance.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the multifunctional milling cutter for milling the edge of the veneer board, which can improve the processing surface quality, reduce the cutter tooth abrasion and tipping, further improve the milling efficiency, reduce the production cost and improve the processing environment.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides a many functional type milling cutter for milling process of veneer shaving board limit portion, is including setting up to discoid cutter body, central shaft hole has been seted up to the center department of cutter body, set up 4 ~ 8 many function combination spiral sword tooth group on the periphery side of cutter body, and 4 ~ 8 many function combination spiral sword tooth group is central symmetric distribution, every the central angle that many function combination spiral sword tooth group corresponds is 360 (4 ~ 8), every many function combination spiral sword tooth group by six with cutter body fixed connection's sword toothholder and fixed the setting are at every spiral sword tooth is constituteed on the sword toothholder.
Preferably, the number of the multifunctional combined spiral cutter tooth groups is eight, and the central angle corresponding to each multifunctional combined spiral cutter tooth group is 45 degrees.
Preferably, the tool tooth holders are a rough-machining-tool tooth holder I, a finish-machining-tool tooth holder ii, a rough-machining-tool tooth holder iii, a finish-machining-tool tooth holder iv, a rough-machining-tool tooth holder v, and a finish-machining-tool tooth holder vi, and the six tool teeth are fixedly disposed, respectively, on the rough-machining-tool tooth holder I, a "s" rough-machining-tool tooth I, a "fold-back" rough-machining-tool tooth ii fixedly disposed on the finish-machining-tool tooth holder ii, a "fold-back" rough-machining-tool tooth iii fixedly disposed on the rough-machining-tool tooth holder iii, a "fold-back" rough-machining-tool tooth iv fixedly disposed on the finish-machining-tool tooth holder iv, a "fold-back" rough-machining-tool tooth v fixedly disposed on the rough-machining-tool tooth holder v, and a "fold-back" shape finish-machining-tool tooth vi fixedly disposed on the finish-machining-tool tooth holder vi.
Preferably, the effective cutting lengths of the S-shaped rough machining cutter tooth I, the S-shaped rough machining cutter tooth III and the S-shaped rough machining cutter tooth V are sequentially increased, and a S-shaped notch with the length of 1-2 mm is formed at the vertical joint of a main cutting edge and a side cutting edge; the fold-back type fine machining cutter tooth II, fold-back type fine machining cutter tooth IV and fold-back type fine machining cutter tooth VI are the same in shape and size, and are all equipped with fold-back type edge in cutting main blade and perpendicular handing-over department of side sword, fold-back type fine machining cutter tooth II, fold-back type fine machining cutter tooth IV and fold-back type effective cutting length of fold-back type fine machining cutter tooth VI all is less than "S" shape rough machining cutter tooth I, "S" shape rough machining cutter tooth III or "S" shape rough machining cutter tooth V's effective cutting length.
Preferably, the length of the S-shaped notch is set to be 1 mm.
Preferably, in any one of the multi-function combined helical blade group, the "s" rough machining blade i and the center angle corresponding to a combination of the "fold-back" type fine machining blade ii, the "s" type fine machining blade ii and the "s" type rough machining blade iii, the "s" type rough machining blade iii and the "fold-back" type fine machining blade iv, the corresponding center angle corresponding to a combination of the "s" type rough machining blade iii and the "fold-back" type fine machining blade iv, the center angle corresponding to a combination of the "s" type rough machining blade iv and the "s" type rough machining blade v, and the center angles corresponding to a combination of the "s" type rough machining blade v and the "fold-back" type fine machining blade iv are 5 to 7 °, 8 to 10 °, 5 to 7 °; in any of the multi-function combined helical blade tooth groups, "s" shape rough machining blade tooth i and its adjacent preceding one the circle center angle corresponding to the line between the "back-fold" shape finish machining blade teeth vi in the multi-function combined helical blade tooth group is 8 to 10 °.
Preferably, in any one of the multi-function combined helical blade group, a central angle corresponding to a combination of the "s" -shaped rough machining blade i and the "— fold-back" -shaped fine machining blade ii, a central angle corresponding to a combination of the "—" shaped fine machining blade ii and the "s" -shaped rough machining blade iii, a central angle corresponding to a combination of the "s" -shaped rough machining blade iii and the "— fold-back" -shaped fine machining blade iv, a central angle corresponding to a combination of the "—" shaped fine machining blade iv and the "s" -shaped rough machining blade v, and a central angle corresponding to a combination of the "s" -shaped rough machining blade v and the "— fold-back" -shaped fine machining blade iv are 6 °, 9 °, 6 °; in any one of the multi-function combined helical blade tooth groups, the center angle corresponding to a line between the fold-back type fine machining blade teeth vi in the "s" type rough machining blade tooth i and the preceding adjacent one thereof is 9 °.
Preferably, in any one of the multi-function combination helical blade tooth groups, on the cutting circumference, the fold-back type fine machining blade tooth holder ii, the fold-back type fine machining blade tooth holder iv and the fold-back type fine machining blade tooth holder vi are the same in height, the s section coarse machining blade tooth holder I, the s section coarse machining blade tooth holder iii and the s section coarse machining blade tooth holder v are both higher than the fold-back type fine machining blade tooth holder ii, the fold-back type fine machining blade tooth holder iv and the fold-back type fine machining blade tooth holder vi 1 to 3 cm.
Preferably, in any one of the multi-function combination helical blade gear groups, on the cutting circumference, the fold-back type fine machining cutter holder ii, the fold-back type fine machining cutter holder iv and the fold-back type fine machining cutter holder vi are highly the same, the fold-back type coarse machining cutter holder I, the fold-back type coarse machining cutter holder iii and the fold-back type coarse machining cutter holder v are both higher than the fold-back type fine machining cutter holder ii, the fold-back type fine machining cutter holder iv and the fold-back type fine machining cutter holder vi 2 cm.
Preferably, in any one multifunctional combined spiral cutter tooth group, the spiral angles of the six cutter teeth are 5-10 degrees
Preferably, in any multifunctional combined spiral cutter tooth group, the helix angle of the cutter teeth is 10 degrees.
Preferably, in any of the multi-functional combination helical blade tooth group, s rough machining cutter tooth i s rough machining cutter tooth iii s rough machining cutter tooth v s all sets up to the cemented carbide material, fold-back type shape finish machining cutter tooth ii fold-back type shape finish machining cutter tooth iv fold-back type shape finish machining cutter tooth vi fold-back type all sets up to the diamond material.
Preferably, the outer peripheral side surface of the cutter body is a tapered surface, and the taper angle of the tapered surface is 15-30 °.
Preferably, the taper angle of the outer circumferential side surface of the cutter body is 30 °.
The invention can reduce the defects of edge breakage, collapse, cutting, stripping and the like when the edge of a wood artificial board, particularly a veneer chipboard, is milled, improve the quality of the processed surface, reduce the abrasion and edge breakage phenomena of cutter teeth, particularly finish machining cutter teeth, realize high-efficiency chip collection by using the chip guide grooves, reduce the milling noise and the like, improve the milling efficiency, reduce the production cost and improve the processing environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a multi-function milling cutter for milling edges of veneer boards according to the present invention;
FIG. 2 is a front view of a multi-functional assembled helical cutting teeth structure of the multi-functional milling cutter for milling the edges of veneer particle boards according to the present invention;
FIG. 3 is a perspective view of a multi-functional assembled helical cutting teeth structure of the multi-functional milling cutter for milling the edges of veneer particle boards according to the present invention;
FIG. 4 is a schematic view of a "" shape finishing cutter tooth in accordance with the present invention;
FIG. 5 is a schematic view of a S-shaped roughing cutter tooth according to the present invention;
FIG. 6 is a schematic diagram of the helix angle configuration of a multi-function composite helical cutting tooth set of FIG. 2 from view A;
fig. 7 is a structural view of a chip guide groove in the present invention.
Reference numerals: 1-cutter body, 10-central shaft hole, 11-chip groove, 21-rough machining sword toothholder I, 22-finish machining sword toothholder II, 23-rough machining sword toothholder III, 24-finish machining sword toothholder IV 25-rough machining sword toothholder V, 26-finish machining sword toothholder VI, 31- "S" shape rough machining sword tooth I, 32- "fold back" shape finish machining sword tooth II, 33- "S" shape rough machining sword tooth III, 34- "fold back" shape finish machining sword tooth IV, 35- "S" shape rough machining sword tooth V, 36- "fold back" shape finish machining sword tooth VI.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 7, a multi-functional type wood milling cutter for milling processing of veneer chipboard edge comprises a cutter body 1, wherein 8 multi-functional combined spiral cutter tooth groups are arranged on the peripheral side surface of the cutter body 1, the 8 multi-functional combined spiral cutter tooth groups are distributed in a central symmetry manner, the central angle corresponding to each multi-functional combined spiral cutter tooth group is 45 degrees, and each multi-functional combined spiral cutter tooth group comprises six cutter tooth seats fixedly connected with the cutter body 1.
As shown in fig. 1 to 3, the six cutter tooth holders are a rough machining cutter tooth holder I21, a finish machining cutter tooth holder ii 22, a rough machining cutter tooth holder iii 23, a finish machining cutter tooth holder iv 24, a rough machining cutter tooth holder v 25 and a finish machining cutter tooth holder vi 26, and the six cutter teeth are a "s" -shaped rough machining cutter tooth I31 fixedly provided on the rough machining cutter tooth holder I21, a "fold-back" -shaped finish machining cutter tooth ii 32 fixedly provided on the finish machining cutter tooth holder ii 22, a "s" -shaped rough machining cutter tooth iii 33 fixedly provided on the rough machining cutter tooth holder iii 23, a "fold-back" -shaped finish machining cutter tooth iv 34 fixedly provided on the finish machining cutter tooth holder iv 24, a "s" -shaped rough machining cutter tooth v 35 fixedly provided on the rough machining cutter tooth holder v 25, and a "fold-back-shaped finish machining cutter tooth 35 fixedly provided on the finish machining cutter tooth holder vi 26, respectively.
As shown in fig. 3 to 5, in arbitrary many function combination spiral sword tooth group, "S" appears rough machining sword tooth I31, "S" appears rough machining sword tooth III 33 and "S" appears and roughly processes the effective cutting length of sword tooth V35 and increases in proper order, and all has a 1 mm's of length breach in the perpendicular handing-over department of cutting leading edge and side edge, is "S" font. A fold-back type finishing cutter tooth ii 32, a fold-back type finishing cutter tooth iv 34, and a fold-back type finishing cutter tooth vi 36 have the same shape and size, and a cutting main blade is perpendicularly joined to a side blade without a notch, and has a shape of "a letter" having a cutting length shorter than that of any rough cutting cutter tooth. This structural design's beneficial effect lies in, in same many function combination spiral sword tooth group, "S" appears rough machining sword tooth I31, "S" appears rough machining sword tooth III 33 and "S" appears rough machining sword tooth V35 and carries out the rough machining for the first time to the work piece respectively, rough machining for the second time and the rough machining for the third time, carry out the milling process of periphery and terminal surface respectively by its main sword and side sword during the cutting, because of its great cutting length, can cut the surface of treating that is more as far as possible, because of the breach of its cutting main sword and the perpendicular handing-over department of side sword, S "appears rough machining sword tooth I31," S "appears rough machining sword tooth III 33 and" S "appears rough machining sword tooth V35 when cutting shaving board limit portion, the fine processing surplus is reserved to the breach part, reduce because of the texture on the processing face, density, the stress that the great difference of hardness and intensity arouses, the sudden change of strain, preventing the machined surface from cracking and brittle fracture caused by rough machining cutting; fold-back type ' fine machining cutter tooth II 32, ' fold-back type ' fine machining cutter tooth IV 34 and ' -fold-back type ' fine machining cutter tooth VI 36 respectively at ' S ' coarse machining cutter tooth I31, ' S ' coarse machining cutter tooth III 33 and ' S ' coarse machining cutter tooth V35 later cut the work piece, the work piece carries out first time finish machining respectively, second time finish machining and third time finish machining, and mainly carry out face milling processing by its side sword, because its cutting length is short, the cutting amount is few, when cutting the machining allowance in the first time coarse machining, be difficult for taking place to collapse, brittle failure; during cutting, the rough machining and the finish machining cutter teeth alternately cut a workpiece, so that the abrasion of the finish machining cutter teeth is reduced, the production cost is reduced, and the production efficiency is improved; the multifunctional combined spiral cutter tooth group is subjected to three-wheel rough machining and fine machining, so that the quality of the machined surface is improved; the cutting length of the three times of rough machining is gradually increased and gradually advances layer by layer in a stepped manner, so that the single cutting load is reduced, the service life of the rough machining cutter tooth is prolonged, and the quality of the machined surface is also improved.
As shown in fig. 2, in any of the multi-function combined helical blade group, the center angle formed by the "s" -shaped rough machining blade tooth i 31 and the "— fold-type" shaped finish machining blade tooth ii 32, the center angle formed by the "— fold-type" shaped finish machining blade tooth ii 32 and the "s" -shaped rough machining blade tooth iii 33, the center angle formed by the "s" -shaped rough machining blade tooth iii 33 and the finish machining blade tooth iv 34, the center angle formed by the "— fold-back" shaped finish machining blade tooth iv 34 and the "s" -shaped rough machining blade tooth v 35, and the center angle formed by the "s" -shaped rough machining blade tooth v 35 and the "— fold-back" shaped finish machining blade tooth vi 36 are 6 °, 9 °, 6 ° respectively; and a center angle formed by a 'S' shaped rough cutting tooth I31 of any one of the multi-function combined helical cutting tooth groups and an adjacent 'fold-back' shaped finish cutting tooth VI 36 of an adjacent preceding multi-function combined helical cutting tooth group is 9 deg. This structural design has an advantageous effect that, in the same multi-function combined helical blade set, the center angle formed by the "s" rough-machining blade tooth i 31 and the adjacent "-fine-machining blade tooth vi 36 of the other adjacent multi-function combined helical blade tooth set is large, and then the center angle formed between the" s "rough-machining blade tooth i 31 and the" -fine-machining blade tooth ii 32, between the "-fold-back" -fine-machining blade tooth ii 32 and the "-s" rough-machining blade tooth iii 33, between the "s" rough-machining blade tooth iii 33 and the "-fold-back" -fine-machining blade tooth iv 34, between the "-fine-machining blade tooth iv 34 and the" "v-s" rough-machining blade tooth 35, between the "" rough-machining blade tooth v 35 and the "-fold-back" -fine-machining blade tooth vi 36 is alternately reduced and increased, and that in the same multi-function combined helical blade set is realized, the cutting amount of different cutter teeth is increased and reduced along with the alternate change of rough machining and finish machining, so that the improvement of the cutting quality is ensured, and the cutter teeth are protected; the non-equidistant teeth also have the function of reducing noise during cutting.
As shown in fig. 1 to 3, in any of the multi-function combined helical blade tooth groups, fold-back type fine machining blade tooth holder ii 22, fold-back type fine machining blade tooth holder iv 24 and fold-back type fine machining blade tooth holder vi 26 are the same in height in the cutting circle, and "s" coarse machining blade tooth holder i21, "s" coarse machining blade tooth holder iii 23 and "s" coarse machining blade tooth holder v 25 are each higher than the fold-back type fine machining blade tooth holder ii 22, fold-back type fine machining blade tooth holder iv 24 and fold-back type fine machining blade tooth holder vi 26 by two millimeters, so that the coarse machining blade tooth holder is large in high degree on the cutting circle, the coarse machining blade tooth cutting circle locus radius is large, and the fine machining blade tooth holder is small in high degree on the cutting circle, and the fine machining blade tooth cutting circle locus radius is small. The structure design has the advantages that the rough machining cutter tooth has larger cutting amount and bears larger cutting force, so that the finish machining cutter tooth is prevented from being impacted by large-particle shavings and hard particles in a shaving board, the finish machining cutter tooth is protected, and the service life of a cutter is prolonged; the cutting amount of the finish machining cutter tooth is small, and the quality of the machined surface is improved.
As shown in fig. 6 to 7, the helix angle α on the 6 different function helical cutter teeth in any one of the multifunctional combined helical cutter tooth sets is 10 °. The multifunctional combined cutter tooth group with the spiral angle has the advantages that the cutting quality of the cutter tooth can be improved, the spiral angle of the cutter tooth is gradually reduced along with the reduction of the wedge angle of the spiral cutter tooth, and therefore the cutting stability of the cutter tooth can be improved, and the service life of the cutter tooth can be prolonged.
As shown in fig. 3, in any of the multi-function combined helical blade tooth groups, hard alloy (YG10) having a high strength and a low price is used as a material for the "s" rough machining blade tooth i 31, the "s" rough machining blade tooth iii 33, the "s" rough machining blade tooth v 35, and a fold-back type fine machining blade tooth ii 32, a fold-back type fine machining blade tooth iv 34, and a fold-back type fine machining blade tooth vi 36 are made of diamond (PCD) having a high hardness and a high price. The material has the beneficial effects that the rough machining cutter tooth has large cutting length, large cutting amount and easy abrasion, the cost is reduced by selecting the material with lower price, and hard components such as large shaving particles, scabs, colloidal particles and the like are easy to cut when the edge of the artificial board is roughly machined, so that the edge breakage can be reduced by selecting the material with higher strength; the finish machining cutter tooth has the advantages of small cutting length, small cutting amount and difficult occurrence of tipping and abrasion, so that the diamond material with higher hardness and higher price is selected, and the surface processing quality is improved.
As shown in fig. 7, the outer ring of the tool body 1 does not assume a standard cylindrical shape but has a taper, i.e. the bottom of all tool tooth grooves is on a conical surface centered on the central axis of the tool, with a taper angle β of 30 °. The gullet has the same spiral angle as the teeth and is a spiral chip guide groove 11. The beneficial effect of this structural design lies in, when cutting the wood-based plate limit portion, the smear metal that piles up in the tooth's socket is along with the high-speed rotation of cutter, discharges smoothly along spiral chip guide groove 11, realizes high-efficient collection smear metal, has improved the processing environment.
Example 2:
as shown in fig. 1 to 7, a multifunctional wood milling cutter for milling edges of veneer chipboards comprises a cutter body 1, wherein the cutter body 1 is made of No. 45 steel, a central shaft hole 10 is formed in the center of the cutter body 1, 8 multifunctional combined spiral cutter tooth groups of a central symmetrical structure are annularly arranged on the outer side of the cutter body 1, the central angle of each multifunctional combined spiral cutter tooth group is 45 degrees, six cutter tooth seats are arranged in any multifunctional combined spiral cutter tooth group side by side, and 6 spiral cutter teeth of different structures are respectively fixed on the six cutter tooth seats.
As shown in fig. 1 to 3, the six cutter tooth holders are a rough machining cutter tooth holder I21, a finish machining cutter tooth holder ii 22, a rough machining cutter tooth holder iii 23, a finish machining cutter tooth holder iv 24, a rough machining cutter tooth holder v 25 and a finish machining cutter tooth holder vi 26, and the six cutter teeth are a "s" -shaped rough machining cutter tooth I31 fixedly provided on the rough machining cutter tooth holder I21, a "fold-back" -shaped finish machining cutter tooth ii 32 fixedly provided on the finish machining cutter tooth holder ii 22, a "s" -shaped rough machining cutter tooth iii 33 fixedly provided on the rough machining cutter tooth holder iii 23, a "fold-back" -shaped finish machining cutter tooth iv 34 fixedly provided on the finish machining cutter tooth holder iv 24, a "s" -shaped rough machining cutter tooth v 35 fixedly provided on the rough machining cutter tooth holder v 25, and a "fold-back-shaped finish machining cutter tooth 35 fixedly provided on the finish machining cutter tooth holder vi 26, respectively.
As shown in fig. 3 to 5, in arbitrary many function combination spiral sword tooth group, "S" appears rough machining sword tooth I31, "S" appears rough machining sword tooth III 33 and "S" appears and roughly processes the effective cutting length of sword tooth V35 and increases in proper order, and all has a 1 mm's of length breach in the perpendicular handing-over department of cutting leading edge and side edge, is "S" font. A fold-back type finishing cutter tooth ii 32, a fold-back type finishing cutter tooth iv 34, and a fold-back type finishing cutter tooth vi 36 have the same shape and size, and a cutting main blade is perpendicularly joined to a side blade without a notch, and has a shape of "a letter" having a cutting length shorter than that of any rough cutting cutter tooth. This structural design's beneficial effect lies in, in same many function combination spiral sword tooth group, "S" appears rough machining sword tooth I31, "S" appears rough machining sword tooth III 33 and "S" appears rough machining sword tooth V35 and carries out the rough machining for the first time to the work piece respectively, rough machining for the second time and the rough machining for the third time, carry out the milling process of periphery and terminal surface respectively by its main sword and side sword during the cutting, because of its great cutting length, can cut the surface of treating that is more as far as possible, because of the breach of its cutting main sword and the perpendicular handing-over department of side sword, S "appears rough machining sword tooth I31," S "appears rough machining sword tooth III 33 and" S "appears rough machining sword tooth V35 when cutting shaving board limit portion, the fine processing surplus is reserved to the breach part, reduce because of the texture on the processing face, density, the stress that the great difference of hardness and intensity arouses, the sudden change of strain, preventing the rough machining cutting from causing the cracking and brittle failure of the machined surface; fold-back type ' fine machining cutter tooth II 32, fold-back type ' fine machining cutter tooth IV 34 and fold-back type ' fine machining cutter tooth VI 36 are respectively at "S" shape rough machining cutter tooth I31, "S" shape rough machining cutter tooth III 33 and "S" shape rough machining cutter tooth V35 later cutting workpiece, the workpiece carries out finish machining for the first time, secondary finish machining and third time finish machining respectively, and mainly carries out end face milling processing by its side sword, because its cutting length is short, the cutting output is few, when cutting the machining allowance in the first rough machining, difficult emergence is broken, brittle failure; during cutting, the rough machining and the finish machining cutter teeth alternately cut a workpiece, so that the abrasion of the finish machining cutter teeth is reduced, the production cost is reduced, and the production efficiency is improved; the multifunctional combined spiral cutter tooth group is subjected to three-wheel rough machining and fine machining, so that the quality of the machined surface is improved; the cutting length of the three times of rough machining is gradually increased and gradually advances layer by layer in a stepped manner, so that the single cutting load is reduced, the service life of the rough machining cutter tooth is prolonged, and the quality of the machined surface is also improved.
As shown in fig. 2, in any of the multi-function combined helical blade group, the center angle formed by the "s" -shaped rough machining blade tooth i 31 and the "— fold-type" shaped finish machining blade tooth ii 32, the center angle formed by the "— fold-type" shaped finish machining blade tooth ii 32 and the "s" -shaped rough machining blade tooth iii 33, the center angle formed by the "s" -shaped rough machining blade tooth iii 33 and the finish machining blade tooth iv 34, the center angle formed by the "— fold-back" shaped finish machining blade tooth iv 34 and the "s" -shaped rough machining blade tooth v 35, and the center angle formed by the "s" -shaped rough machining blade tooth v 35 and the "— fold-back" shaped finish machining blade tooth vi 36 are 6 °, 9 °, 6 ° respectively; and a center angle formed by a 'S' shaped rough cutting tooth I31 of any one of the multi-function combined helical cutting tooth groups and an adjacent 'fold-back' shaped finish cutting tooth VI 36 of an adjacent preceding multi-function combined helical cutting tooth group is 9 deg. This structural design has an advantageous effect that, in the same multi-function combined helical blade set, the center angle formed by the "s" rough-machining blade tooth i 31 and the adjacent "-fine-machining blade tooth vi 36 of the other adjacent multi-function combined helical blade tooth set is large, and then the center angle formed between the" s "rough-machining blade tooth i 31 and the" -fine-machining blade tooth ii 32, between the "-fold-back" -fine-machining blade tooth ii 32 and the "-s" rough-machining blade tooth iii 33, between the "s" rough-machining blade tooth iii 33 and the "-fold-back" -fine-machining blade tooth iv 34, between the "-fine-machining blade tooth iv 34 and the" "v-s" rough-machining blade tooth 35, between the "" rough-machining blade tooth v 35 and the "-fold-back" -fine-machining blade tooth vi 36 is alternately reduced and increased, and that in the same multi-function combined helical blade set is realized, the cutting amount of different cutter teeth is increased and reduced along with the alternate change of rough machining and finish machining, so that the cutting quality is improved, and the cutter teeth are protected; the non-equidistant teeth also have the function of reducing noise during cutting.
As shown in fig. 1 to 3, in any of the multi-function combined helical blade tooth groups, fold-back type fine machining blade tooth holder ii 22, fold-back type fine machining blade tooth holder iv 24 and fold-back type fine machining blade tooth holder vi 26 are the same in height in the cutting circle, and "s" coarse machining blade tooth holder i21, "s" coarse machining blade tooth holder iii 23 and "s" coarse machining blade tooth holder v 25 are each higher than the fold-back type fine machining blade tooth holder ii 22, fold-back type fine machining blade tooth holder iv 24 and fold-back type fine machining blade tooth holder vi 26 by two millimeters, so that the coarse machining blade tooth holder is large in high degree on the cutting circle, the coarse machining blade tooth cutting circle locus radius is large, and the fine machining blade tooth holder is small in high degree on the cutting circle, and the fine machining blade tooth cutting circle locus radius is small. The structure design has the advantages that the rough machining cutter tooth has larger cutting amount and bears larger cutting force, so that the finish machining cutter tooth is prevented from being impacted by large-particle shavings and hard particles in a shaving board, the finish machining cutter tooth is protected, and the service life of a cutter is prolonged; the cutting amount of the finish machining cutter tooth is small, and the quality of the machined surface is improved.
As shown in fig. 6 to 7, the helix angle α on the 6 different function helical cutter teeth in any one of the multifunctional combined helical cutter tooth sets is 10 °. The multifunctional combined cutter tooth group with the spiral angle has the beneficial effects that the cutting quality of the cutter tooth can be improved, and the spiral angle of the cutter tooth is gradually reduced along with the reduction of the wedge angle of the spiral cutter tooth, so that the cutting stability of the cutter tooth can be improved, and the service life of the cutter tooth can be prolonged.
As shown in fig. 3, in any of the multi-function combined helical blade tooth groups, hard alloy (YG10) having a high strength and a low price is used as a material for the "s" rough machining blade tooth i 31, the "s" rough machining blade tooth iii 33, the "s" rough machining blade tooth v 35, and a fold-back type fine machining blade tooth ii 32, a fold-back type fine machining blade tooth iv 34, and a fold-back type fine machining blade tooth vi 36 are made of diamond (PCD) having a high hardness and a high price. The material has the beneficial effects that the rough machining cutter tooth has large cutting length, large cutting amount and easy abrasion, the cost is reduced by selecting the material with lower price, and hard components such as large shaving particles, scabs, colloidal particles and the like are easy to cut when the edge of an artificial board is roughly machined, so that the edge breakage can be reduced by selecting the material with higher strength; the finish machining cutter tooth has the advantages of small cutting length, small cutting amount and difficult occurrence of tipping and abrasion, so that the diamond material with higher hardness and higher price is selected, and the surface processing quality is improved.
As shown in fig. 7, the outer ring of the tool body 1 does not assume a standard cylindrical shape but has a taper, i.e. the bottom of all tool tooth grooves is on a conical surface centered on the central axis of the tool, with a taper angle β of 30 °. The gullet has the same spiral angle as the teeth and is a spiral chip guide groove 11. The beneficial effect of this structural design lies in, when cutting the wood-based plate limit portion, the smear metal that piles up in the tooth's socket is along with the high-speed rotation of cutter, discharges smoothly along spiral chip guide groove 11, realizes high-efficient collection smear metal, has improved the processing environment.
The wedge angle referred in the embodiment of the invention refers to an included angle between the front cutter face and the rear cutter face of the cutter tooth, the wedge angle has direct influence on cutting, the larger the wedge angle is, the higher the strength of a cutting part is, so the wedge angle is selected to be as small as possible under the condition of ensuring enough strength. The wedge angle referred to in the present invention is the angle formed by the rake face and the flank face of a tooth, as shown in detail in fig. 2.
The helix angle refers to the acute angle between the tangent of the cylindrical helix and the straight generatrix of the cylindrical surface passing through the tangent point. The helix angle referred to in the invention is an included angle formed between a line where cutting edges of cutter teeth are located and a straight generatrix (namely an axis of a central shaft hole) of the multifunctional milling cutter for milling the edge part of the veneer particle board, and is specifically shown as 2.
The invention can reduce the defects of edge breakage, collapse, cutting, stripping and the like when the edge of a wood artificial board, particularly a veneer chipboard, is milled, improve the quality of the processed surface, reduce the abrasion and edge breakage phenomena of cutter teeth, particularly finish machining cutter teeth, realize high-efficiency chip collection by using the chip guide grooves, reduce the milling noise and the like, improve the milling efficiency, reduce the production cost and improve the processing environment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a many functional type wood milling cutter for veneer shaving board limit portion milling process which characterized in that: including cutter body (1), set up 8 many function combination spiral cutter teeth group on the periphery side of cutter body (1) to 8 many function combination spiral cutter teeth group is central symmetry and distributes, and the central angle that every many function combination spiral cutter teeth group corresponds is 45, every many function combination spiral cutter teeth group include six with cutter body (1) fixed connection's sword toothholder.
2. A multi-function woodworking milling cutter for milling edges of veneer boards, as claimed in claim 1, wherein: six the sword toothholder is rough machining sword toothholder I (21), finish machining sword toothholder II (22), rough machining sword toothholder III (23), finish machining sword toothholder IV (24), rough machining sword toothholder V (25) and finish machining sword toothholder VI (26) respectively, six the sword tooth is respectively for fixed the setting is in "S" on the rough machining sword toothholder I (21) appears rough machining sword tooth I (31), fixed the setting and is in on the finish machining sword toothholder II (22)
A second finishing cutter tooth (32), a S-shaped rough machining cutter tooth (33) fixedly arranged on the rough machining cutter tooth holder III (23) and an IV finishing cutter tooth holder (24)
Form finish machining sword tooth IV (34), fixed setting are in "S" on rough machining sword toothholder V (25) appears rough machining sword tooth V (35) and fixed setting are in on finish machining sword toothholder VI (26)Is/are as follows
And forming a finishing cutter tooth VI (35).
3. A multi-function woodworking milling cutter for milling edges of veneer boards, as claimed in claim 2, wherein: the S-shaped rough machining cutter tooth I (31), the S-shaped rough machining cutter tooth III (33) and the S-shaped rough machining cutter tooth V (35) have sequentially increased effective cutting lengths, and a S-shaped notch with the length of 1-2 mm is formed at the vertical joint of a main cutting edge and a side cutting edge; the above-mentioned
A finishing cutter tooth II (32) is formed
Finishing tooth IV (34) and the same
The shape and the size of the finish machining cutter tooth VI (35) are the same, and the cutting main edge and the side edge are vertically connected with each other
A shaped edge, the
A finishing cutter tooth II (32) is formed
Finishing tooth IV (34) and the same
The effective cutting length of the S-shaped finish machining cutter tooth VI (35) is less than the S-shaped rough machining cutter tooth I (31)The effective cutting length of tooth III (33) or of the S-shaped roughing tooth V (35).
4. A multi-function woodworking milling cutter for milling edges of veneer boards according to claims 2 and 3, wherein: in any one of the multifunctional combined spiral cutter tooth group, the S-shaped rough machining cutter tooth I (31) and the S-shaped rough machining cutter tooth
Central angle corresponding to combination of profile finishing cutter teeth II (32), the
A central angle corresponding to the combination of the S-shaped finish cutter tooth II (32) and the S-shaped rough cutter tooth III (33), the S-shaped rough cutter tooth III (33) and
combinations of finishing teeth IV (34) corresponding to the central angles
A central angle corresponding to a combination of the S-shaped rough machining cutter tooth V (35) and the S-shaped finish machining cutter tooth IV (34), the S-shaped rough machining cutter tooth V (35) and
the central angles corresponding to the combination of the shape finish machining cutter teeth IV (34) are respectively 5-7 degrees, 8-10 degrees, 5-7 degrees, 8-10 degrees and 5-7 degrees;
in any of the multi-functional combined spiral cutter tooth groups, the S-shaped rough machining cutter tooth I (31) and the adjacent previous one of the multi-functional combined spiral cutter tooth groups
Connecting line between finishing cutter teeth VI (35)The corresponding central angle is 8-10 degrees.
5. A multi-function woodworking milling cutter for milling edges of veneer boards, according to claim 4, wherein: in any one of the multifunctional combined spiral cutter tooth group, the S-shaped rough machining cutter tooth I (31) and the S-shaped rough machining cutter tooth I
Central angle corresponding to combination of profile finishing cutter teeth II (32), the
Form finish machining cutter tooth II (32) with "S" the combination that appears rough machining cutter tooth III (33) corresponds central angle, "S" the rough machining cutter tooth III (33) that appears with
Combinations of profile finishing teeth IV (34) the corresponding central angles, the
A central angle corresponding to the combination of the S-shaped finish cutter tooth IV (34) and the S-shaped rough cutter tooth V (35), the S-shaped rough cutter tooth V (35) and the S-shaped finish cutter tooth
The central angles corresponding to the combination of the finish machining cutter teeth IV (34) are respectively 6 degrees, 9 degrees, 6 degrees, 9 degrees and 6 degrees;
in any of the multi-functional combined spiral cutter tooth groups, the S-shaped rough machining cutter tooth I (31) and the adjacent previous one of the multi-functional combined spiral cutter tooth groups
The central angle corresponding to a connecting line between the finish machining cutter teeth VI (35) is 9 degrees.
6. A multi-function woodworking milling cutter for milling edges of veneer boards according to claims 2, 3 and 5, wherein: in any one of the multifunctional combined spiral cutter tooth groups, on the cutting circumference, the cutting edge is provided with a plurality of cutting edges
A shape finishing cutter tooth holder II (22) described
Fine machining tool tooth holder IV (24) and
the height of the finish machining cutter tooth holder VI (26) is the same, the S-shaped rough machining cutter tooth holder I (21), the S-shaped rough machining cutter tooth holder III (23) and the S-shaped rough machining cutter tooth holder V (25) are all higher than the S-shaped rough machining cutter tooth holder V (25)
A shape finishing cutter tooth holder II (22) described
A shape finishing cutter tooth holder IV (24) and
the tooth holder VI (26) of the finish machining cutter is 1-3 cm.
7. A multi-function woodworking milling cutter for milling edges of veneer boards, according to claim 6, wherein: in any one of the multifunctional combined spiral cutter tooth groups, on the cutting circumference, the cutting edge is provided with a plurality of cutting edges
A shape finishing cutter tooth holder II (22) described
A shape finishing cutter tooth holder IV (24) and
the height of the finish machining cutter tooth holder VI (26) is the same, the S-shaped rough machining cutter tooth holder I (21), the S-shaped rough machining cutter tooth holder III (23) and the S-shaped rough machining cutter tooth holder V (25) are all higher than the S-shaped rough machining cutter tooth holder V (25)
A shape finishing cutter tooth holder II (22) described
A shape finishing cutter tooth holder IV (24) and
and a finish machining cutter tooth holder VI (26) is 2 cm.
8. A multi-function woodworking milling cutter for milling edges of veneer boards according to claims 2, 3, 5 and 7, wherein: in any one multifunctional combined spiral cutter tooth group, the spiral angles of six cutter teeth are 5-10 degrees.
9. A multi-function woodworking milling cutter for milling edges of veneer boards, according to claim 8, wherein: in any multifunctional combined spiral cutter tooth group, the spiral angle of the cutter teeth is 10 degrees.
10. A multi-function woodworking milling cutter for milling edges of veneer boards according to claims 2, 3, 5, 7 and 9, wherein: in arbitrary many function combination spiral sword tooth group, "S" appears and rough machining sword tooth I (31), "S" appears and rough machining sword tooth III (33) and "S" appears and rough machining sword tooth V (35) and all sets up to the carbide materialSaid
A finishing cutter tooth II (32) is formed
A finishing cutter tooth IV (34) is formed
The finish machining cutter teeth VI (35) are all made of diamond materials;
the periphery side surface of the cutter body (1) is a conical surface, and the cone angle of the conical surface is 15-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210090455.1A CN114654547A (en) | 2018-09-11 | 2019-03-12 | Multifunctional milling cutter for milling edges of veneer chipboard |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056548 | 2018-09-11 | ||
| CN201910183259.7A CN109732718B (en) | 2018-09-11 | 2019-03-12 | Multifunctional woodworking milling cutter for milling edges of veneer shaving board |
| CN202210090455.1A CN114654547A (en) | 2018-09-11 | 2019-03-12 | Multifunctional milling cutter for milling edges of veneer chipboard |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910183259.7A Division CN109732718B (en) | 2018-09-11 | 2019-03-12 | Multifunctional woodworking milling cutter for milling edges of veneer shaving board |
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| CN201910183259.7A Active CN109732718B (en) | 2018-09-11 | 2019-03-12 | Multifunctional woodworking milling cutter for milling edges of veneer shaving board |
| CN202210090455.1A Withdrawn CN114654547A (en) | 2018-09-11 | 2019-03-12 | Multifunctional milling cutter for milling edges of veneer chipboard |
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| CN109732718B (en) * | 2018-09-11 | 2024-05-24 | 蓝帜(中国)刀具系统有限公司 | Multifunctional woodworking milling cutter for milling edges of veneer shaving board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002307404A (en) * | 2001-04-16 | 2002-10-23 | Kanefusa Corp | Cutting tool |
| CN105834499A (en) * | 2016-04-28 | 2016-08-10 | 哈尔滨理工大学 | Staggered PCD milling cutter used for processing reinforced fiber polymer and method |
| CN106272721A (en) * | 2016-08-19 | 2017-01-04 | 南京林业大学 | A kind of pottery wood cutter |
| CN108927561A (en) * | 2018-08-27 | 2018-12-04 | 苏州阿诺精密切削技术有限公司 | Human body knee joint tibial plate processes efficient milling cutter |
| CN109732718A (en) * | 2018-09-11 | 2019-05-10 | 南京林业大学 | A kind of Mobyneb wood-milling cutter for facing particieboard edge Milling Process |
| CN210025631U (en) * | 2018-09-11 | 2020-02-07 | 南京林业大学 | Multifunctional woodworking milling cutter for milling edges of veneer chipboard |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4431841C2 (en) * | 1994-09-07 | 1997-10-23 | Walter Ag | Method and use of a disk carrier for producing deep grooves in generator and turbine engines |
| JP4830552B2 (en) * | 2006-03-10 | 2011-12-07 | 株式会社タンガロイ | Face milling |
| JP2009142958A (en) * | 2007-12-17 | 2009-07-02 | Toyota Motor Corp | Milling device |
| JP4704495B2 (en) * | 2008-12-10 | 2011-06-15 | 日立ツール株式会社 | Turbine blade connecting groove cutting method and Christmas cutter used therefor |
| CN101698243B (en) * | 2009-10-29 | 2011-12-07 | 株洲钻石切削刀具股份有限公司 | Cutting blade for cutting off in radial direction and radial turning |
| CN207309044U (en) * | 2017-09-18 | 2018-05-04 | 神龙汽车有限公司 | A kind of reducing layered milling cutter |
-
2019
- 2019-03-12 CN CN201910183259.7A patent/CN109732718B/en active Active
- 2019-03-12 CN CN202210090455.1A patent/CN114654547A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002307404A (en) * | 2001-04-16 | 2002-10-23 | Kanefusa Corp | Cutting tool |
| CN105834499A (en) * | 2016-04-28 | 2016-08-10 | 哈尔滨理工大学 | Staggered PCD milling cutter used for processing reinforced fiber polymer and method |
| CN106272721A (en) * | 2016-08-19 | 2017-01-04 | 南京林业大学 | A kind of pottery wood cutter |
| CN108927561A (en) * | 2018-08-27 | 2018-12-04 | 苏州阿诺精密切削技术有限公司 | Human body knee joint tibial plate processes efficient milling cutter |
| CN109732718A (en) * | 2018-09-11 | 2019-05-10 | 南京林业大学 | A kind of Mobyneb wood-milling cutter for facing particieboard edge Milling Process |
| CN210025631U (en) * | 2018-09-11 | 2020-02-07 | 南京林业大学 | Multifunctional woodworking milling cutter for milling edges of veneer chipboard |
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| CN109732718B (en) | 2024-05-24 |
| CN109732718A (en) | 2019-05-10 |
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Application publication date: 20220624 |