CN1486809A - Apparatus for cutting plate end and front milling tool for the same apparatus use - Google Patents
Apparatus for cutting plate end and front milling tool for the same apparatus use Download PDFInfo
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- CN1486809A CN1486809A CNA031555527A CN03155552A CN1486809A CN 1486809 A CN1486809 A CN 1486809A CN A031555527 A CNA031555527 A CN A031555527A CN 03155552 A CN03155552 A CN 03155552A CN 1486809 A CN1486809 A CN 1486809A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 272
- 238000003801 milling Methods 0.000 title claims abstract description 124
- 239000000463 material Substances 0.000 claims abstract description 87
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- 238000013459 approach Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 7
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- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 241000278713 Theora Species 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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Abstract
A feed per stroke of the face milling tool is set such that a rough machining cutting edge accompanied with the rotational motion of the face milling tool can be brought into contact with the end face to be cut of the flat plate material 1 to be cut by crossing with always preceding a finish machining cutting edge, by fastening the rough machining cutting edge 14 and the finish machining cutting edge 16 at the disk portion 12 of the face milling tool 10, by projecting the edge of the finish machining cutting edge by only the cutting-in allowance of finishing forwarder than the edge of the rough machining cutting edge, by making a radial dimension from the axial center of a disk portion to the outside end of the edge of the finish machining cutting edge smaller than a radial dimension from the axial center of the disk portion to the outside end of the edge of the rough machining cutting edge.
Description
Technical field
The present invention relates to utilize the device of end face of plate materials such as front milling tool machining plastics and positive milling (fraise) instrument of this device usefulness.
Background technology
For example, as the LGP of one of critical piece of the back light unit that constitutes liquid crystal indicator, be by adopting the resin injection molded to manufacture the plastic board material, and the end face of this plate material cut and be processed to form that light-incident end makes.When the machining of the end face that carries out this plate material, use the front milling tool that cutting edge is arranged at the end face of the round plate that rotates.Simultaneously, when the end face with plate material was finish-machined to minute surface (transparent) shape, the cutter head of cutting edge used single-crystal diamond, and when the end face of grinding flat plate material was finish-machined to the glass face, the cutter head of cutting edge used the polycrystalline diamond of sintering.In order to obtain required fine finishining state, self-evident, this cutter Material Selection is important, but the approach optimization in fine finishining when cutting also is very important.
According to the characteristic of injection molded goods, the end face processing capacity of plate material is set in more than the 50 μ m at least, sometimes nearly more than the 500 μ m.In addition, in the injection molded goods, resin density deviation and internal stress deviation are arranged mostly.Therefore, only carry out machining along its length direction, burr and shortcoming can take place in the processing part by end face once to plate material by making the front milling tool.Therefore, in order to obtain required crudy, adopt and before fine finishining, carry out rough machined method.That is, after the end face that makes the front milling tool by plate material carries out roughing, make the front milling tool carry out fine finishining by the end face of plate material again.In this case, in roughing, carry out the machining of the end face of plate material, make it the amount of residual fine finishining approach in the processing capacity of 50 μ m～500 μ m.As the fine finishining approach, be subjected to about the quality institute of state of roughing face, but from experiment, learn that 15 μ m～3 μ m are preferred values.Then, after roughing, the roughing face of plate material is further cut the fine finishining of 15 μ m～3 μ m.
As mentioned above, only make on the part that the front milling tool processes by the end face of plastic board material, burr and shortcoming can take place, and when going for required processing end face, are necessary to make the front milling tool more than twice or twice it to be carried out machining by plate material.But, the use device cutting working method, the process time that exists one piece of plate material is elongated, produce the problem of rate variance etc.
On the other hand, when making the front milling tool only the end face by plate material come that once required processing end face carried out fine finishining, need to prepare two or more fronts milling tool, each milling tool is installed in respectively independently on the rotary main shaft, adjust the position relation of the cutting edge that is cut end face and each milling tool of plate material respectively rightly, then, make each milling tool integrally by the end face of plate material, utilize each milling tool to cut the end face of plate material successively.Therefore, exist the structure complicated of cutting apparatus, the machining head part also maximizes, and installation cost such as increases at problem.
Summary of the invention
The present invention In view of the foregoing, its objective is provides a kind of cutting apparatus, a front milling tool is installed on a rotary main shaft, make the front milling tool only cut end face by once carrying out machining with respect to the quilt that is cut plate material, just obtain required processing end face, thereby improve machining productivity and can simplification device, and provide a kind of front milling tool that is used for this cutting apparatus.
Plate material building up by welding processing unit (plant) of the present invention comprises: the front milling tool, and cutting edge is to be fixed to the round plate peripheral part from the outstanding mode of the end face of round plate; Keep rotating mechanism, keep this front milling tool and make it rotating around the axial line of round plate; The plate material maintaining body is cut the relative and cutting edge that carries out revolution motion with the axle center of round plate as the center of the parallel mode of end face and the end face of the round plate of aforementioned front milling tool and is cut the mode that end face intersects and keeps being cut plate material with the quilt that is cut plate material; And feed mechanism, make by the aforementioned front milling tool of aforementioned maintenance rotating mechanism supporting with by what aforementioned plate material maintaining body kept and be cut plate material, relatively move along the length direction that is cut end face that is cut plate material; Wherein: be fixed on the round plate of aforementioned front milling tool with two cutting edges of cutting edge with cutting edge and fine finishining to major general's roughing, make aforementioned fine finishining forwards only give prominence to the amount of fine finishining approach with the cutter head of cutting edge than roughing with the cutter head of cutting edge, and, from the axle center of the round plate of aforementioned front milling tool to the radius size of aforementioned fine finishining with the outboard end of the cutter head of cutting edge, less than from the axle center of the round plate of aforementioned front milling tool to the radius size of aforementioned crude processing with the outboard end of the cutter head of cutting edge; To set for by the aforementioned front milling tool of aforementioned feed mechanism feeding or the amount of feeding that is cut plate material, be accompanied by rotatablely moving of front milling tool, aforementioned crude mechanism always in advance intersects and contacts with the end face that is cut that is cut plate material with cutting edge than aforementioned fine finishining with cutting edge.
Described cutting mechanism device, it is characterized by, on the circumferential part of the round plate of aforementioned front milling tool, respectively along the direction of the axial line of round plate, at least two cutting edge mounting grooves that aforementioned cutting edge inserts movably at the direction of axis line along round plate are set, and the fixator that respectively aforementioned each cutting edge is fixed in aforementioned each cutting edge mounting groove is set.
Described cutting apparatus is characterized by, and roughing is fixed on the round plate of aforementioned front milling tool with two cutting edges of cutting edge with cutting edge and fine finishining, these cutting edges is configured to be in 180 ° angle.
Front of the present invention milling tool, cutting edge is being fixed on the peripheral part of round plate in the mode of giving prominence to from the end face of round plate, it is characterized by, on aforementioned round plate at least fixedly roughing with cutting edge and fine finishining with two cutting edges of cutting edge, make aforementioned fine finishining forwards only give prominence to the amount of fine finishining approach with the cutter head of cutting edge than aforementioned crude processing with the cutter head of cutting edge, and, from the axle center of aforementioned round plate to the radius size of aforementioned fine finishining with the outboard end of the cutter head of cutting edge, less than from the axle center of the round plate of aforementioned front milling tool to the radius size of aforementioned crude processing with the outboard end of the cutter head of cutting edge.
Described front milling tool, it is characterized by, on the circumferential part of aforementioned round plate, respectively along the direction of the axial line of round plate, at least two cutting edge mounting grooves that aforementioned cutting edge inserts movably at the direction of axis line along round plate are set, and the fixator that respectively aforementioned each cutting edge is fixed in aforementioned each cutting edge mounting groove is set.
Described front milling tool is characterized by, and roughing is fixed on the aforementioned round plate with two cutting edges of cutting edge with cutting edge and fine finishining, these cutting edges is configured to be in 180 ° angle.
Described front milling tool, it is characterized by, it has assembling cutting edge jig for positioning, described jig for positioning is made of block, described block is respectively arranged with the tight mounting surface that contacts of a part of the end face of aforementioned round plate, and at least two contact-making surfaces contacting respectively of the cutter head that under the part of the end face of aforementioned round plate and the tight state of contact of this mounting surface, inserts aforementioned each cutting edge in aforementioned each cutting edge mounting groove of cutter round plate respectively, and from the aforementioned contact-making surface that can contact with the cutter head of cutting edge with the aforementioned crude processing height dimension of aforementioned mounting surface extremely, than from the aforementioned contact-making surface that can contact with the cutter head of cutting edge with the aforementioned fine finishining amount of the only little fine finishining approach of height dimension of aforementioned mounting surface extremely.
In the cutting apparatus of plate material end face of the present invention, fixed roughing cutting edge and the fine finishining front milling tool of two cutting edges of cutting edge,, in the axial line rotation of round plate, relatively moving along the length direction that is cut end face that is cut plate material that is kept by the plate material maintaining body by keeping the rotating mechanism maintenance by feed mechanism.Thereby front milling tool only is cut end face by once with respect to what be cut plate material, just can utilize roughing cutting edge and fine finishining cutting edge to carry out separately machining.
In this case, the axle center of relevant round plate from the front milling tool is to the radius size of the outboard end of cutter head, the radius of cutting edge is used in fine finishining less than roughing with the radius of cutting edge, and, be accompanied by rotatablely moving of front milling tool, from roughing with cutting edge be cut plate material be cut end face intersect contact the time be carved into fine finishining with cutting edge be cut plate material be cut end face intersect till the moment that contacts during in, for example, when roughing is on 180 ° of round plates that are fixed on the front milling tool with cutting edge with cutting edge and fine finishining the front milling tool rotate half during in, by feed mechanism with poor less than the radius size of the outboard end of two cutting edges of building up by welding instrument or the amount that is cut the plate material feeding.In addition, when rotation edge in building up by welding instrument limit is cut the length direction that is cut end face of plate material when relatively mobile, always go ahead of the rest and the mode that contacts with the ora terminalis of the nearside of the not cutting tip that is cut end face that is cut plate material is set the amount of feeding with cutting with the cutter head of cutting edge with the cutter head of cutting edge than fine finishining with roughing.In addition, because the amount of fine finishining approach is only only given prominence in fine finishining forward with the cutter head of cutting edge than roughing with the cutter head of cutting edge, in other words, because for height from the end face of round plate to cutter head, roughing is low with the height of cutting edge with the aspect ratio fine finishining of cutting edge, so, at first, utilizing roughing will be cut being cut after end face cuts of plate material in the mode of the fine finishining approach in the residual process amount only with cutting edge, utilize the fine finishining cutting edge, the part of using roughing to cut with cutting edge is advanced only to machine away the fine finishining approach again.Like this, a front milling tool only passes through once with respect to the end face that is cut that is cut plate material, just can obtain required accurately machined end face.
In described cutting apparatus, cutting edge is inserted in the cutting edge mounting groove on the circumferential part of the round plate that is arranged on the front milling tool, by cutting edge is moved in the direction along the axial line of round plate, can adjust the overhang of cutting edge from the end face of round plate.After the adjustment, utilize setting tool that cutting edge is respectively fixed in the cutting edge mounting groove.
In described cutting apparatus, by roughing is fixed on this round plate of front milling tool in the mode that is in 180 ° with cutting edge with cutting edge and fine finishining, the balance the during rotation of front milling tool is good.
Front of the present invention milling tool, the enterprising enforcement usefulness of maintenance rotating mechanism of the cutting apparatus by remaining on described plate material end face can function as described above.
In the milling tool of described front, by cutting edge being inserted in the cutting edge mounting groove on the circumferential part that is arranged on round plate, cutting edge is moved along the direction of axis line of round plate, can adjust the overhang of cutting edge from the end face of round plate.After the adjustment, utilize setting tool that cutting edge is respectively fixed in the cutting edge mounting groove.
When on the maintenance rotating mechanism of the cutting apparatus that described front milling tool is remained on the plate material end face, using, by with roughing with cutting edge and fine finishining with cutting edge to be in 180 ° fixed angle to round plate, the balance that rotation is is good.
In the milling tool of described front, in each the cutting edge mounting groove that each cutting edge is inserted into its round plate respectively, cutting edge is fixed under the state in the cutting edge mounting groove without setting tool, the part of the end face of round plate is closely contacted with the mounting surface of cutting edge jig for positioning, and be assembled on the cutting edge jig for positioning.Secondly, cutting edge in each the cutting edge mounting groove that is inserted into round plate is moved along the direction of the axial line of round plate respectively, and the cutter head of each cutting edge is contacted with each contact-making surface of cutting edge jig for positioning respectively, afterwards, utilize setting tool that cutting edge is respectively fixed in the cutting edge mounting groove.At this moment, in the cutting edge jig for positioning, little to the height dimension of mounting surface to the height dimension of mounting surface from roughing compared with the contact-making surface of the cutter head contact of using cutting edge from fine finishining with the contact-making surface of the cutter head contact of cutting edge, both differences equal the fine finishining approach, so, become the amount of fine finishining approach is forwards only given prominence in fine finishining with the cutter head of cutting edge than roughing with the cutter head of cutting edge state.Like this, can be easily and adjustment operation that promptly repeatability is carried out cutting edge location usefulness well.
Description of drawings
Fig. 1 represents an example of embodiments of the invention, is the side view of structure of major part of the cutting apparatus of expression plate material end face.
Fig. 2 is the vertical view of the major part of expression cutting apparatus shown in Figure 1.
Fig. 3 is the side view as the front milling tool of the structure important document of cutting apparatus shown in Figure 1.
Fig. 4 is the front view of the front milling tool shown in Figure 3 seen when the end face side is observed.
Fig. 5 is the perspective view that is illustrated in the front milling tool shown in Figure 3 of the state that cutting edge is unloaded.
Fig. 6 is the part enlarged side view of front milling tool shown in Figure 3.
Fig. 7 is the part enlarged side view of front milling tool shown in Figure 3.
Fig. 8 is the cutting edge jig for positioning that uses when the cutter head position of two cutting edges of front milling tool shown in Figure 3 is adjusted.
Fig. 9 is the side view that expression is assembled into cutting edge jig for positioning shown in Figure 8 state in the front milling tool shown in Figure 3.
Figure 10 is the diagram of the relation of the spinning movement of front milling tool of expression cutting apparatus shown in Figure 1 and feed motion, is the diagram of seeing during from top view that surpasses the milling tool that is cut plate material respectively.
Figure 11 is the diagram of the relation of the spinning movement of the front milling tool in the expression cutting apparatus shown in Figure 1 and feed motion equally, is the diagram of seeing during from top view that surpasses the milling tool that is cut plate material respectively.
Figure 12 is the diagram that is used to illustrate at the establishing method of the amount of feeding of the front of cutting apparatus shown in Figure 1 milling tool.
Figure 13 is the part amplification plan view that is cut end face that is cut plate material in the machining way.
The specific embodiment
Below, with reference to description of drawings the preferred embodiments of the present invention.
Fig. 1 and Fig. 2 represent an example of embodiments of the invention, and Fig. 1 is the side view of structure of the major part of expression plate material building up by welding processing unit (plant), and Fig. 2 is its vertical view.This cutting apparatus comprises a plurality of fronts milling tool, is that two cutting edges 14,16 are with the front milling tool 10 on the peripheral part that is fixed on round plate 12 from the outstanding mode of the end face of round plate 12 in the present example.On the round plate 12 of front milling tool 10, axial region 18 is being installed with vertical integrally setting of central part of the end face of the end face opposition side of fixed- cutter 14,16.
The plastic board material that the light guide plate of back light unit of making liquid crystal indicator is used etc. is cut plate material 1, it is parallel with the end face of the round plate 12 of front milling tool 10 that it is cut end face, make its length direction that is cut end face consistent with the moving direction of the front milling tool 10 shown in the arrow A, and make it be cut end face and be the cutting edge 14 of center revolution motion with the axle center of round plate 12,16 intersect (with reference to the described Figure 10 in back and Figure 11), use plate material retainer (among the figure for illustrating) and front milling tool 10 relative this plate materials 1 that are maintained fixed thus.In addition, also can adopt following structure, promptly, supporting keeps being cut the plate material retainer of plate material 1 movably, to keep the maintenance rotating mechanism of front milling tool 10 to fix, and be cut plate material 1 and move to the length direction low speed that this is cut end face with respect to front milling tool 10 and make.
In order to make 10 lightweights of front milling tool, penetrate at the central portion of the end face of round plate 12 circular hole 32 is set.In addition, on the end face of round plate 12, a pair of location is set respectively uses hole 34,34 and a pair of fixing with screwed hole 36,36.
In each cutting edge mounting groove 22,24 of the round plate 12 of front milling tool 10, insert fixedly roughing respectively with under cutting edge 14 and the fine finishining usefulness state of cutting edge 16, as shown in Figure 6, from the axle center of round plate 12 to the radius size r1 of fine finishining with the outboard end of the cutter head of cutting edge 16, less than from the axle center of round plate 12 to the radius size r2 of roughing with the outboard end of the cutter head of cutting edge 14.
In addition, under the state in each cutting edge 14,16 is separately fixed at each cutting edge mounting groove 22,24 of round plate 12 of front milling tool 10, as shown in Figure 7, position adjustment, so that the amount of fine finishining approach d is forwards only given prominence in fine finishining with the cutter head of cutting edge 14 than roughing with the cutter head of cutting edge 16, for example, about forwards outstanding 3 μ m～15 μ m.Like this, at first, shown in the part amplification plan view that is cut plate material 1 among Figure 13, utilize roughing cutting edge 14, residual process amount c (the fine finishining approach (for example 0.01mm) among the 0.05mm～0.5mm) for example only, come the end face that is cut of slicing plate material 1, utilize fine finishining will further be cut fine finishining approach d with the part of cutting edge 14 cuttings by roughing then with cutting edge 16.
The adjustment of the cutter head position of cutting edge 14,16 recited above utilizes the described cutting edge jig for positioning 38 of perspective view of Fig. 8 to carry out.This cutting edge jig for positioning 38 is made of the block 40 that the planar section of central authorities forms higherly and the planar section of its both sides forms lowlyer respectively.The central plane of block 40 partly becomes the tight mounting surface 42 of contact of a part of end face of the round plate 12 of front milling tool 10.In addition, on the planar section of the both sides of block 40, contact member 44a, 44b that top forms tabular surface are installed respectively.The upper planar face of described each contact member 44a, 44b becomes contact-making surface 46a, 46b that the cutter head of each cutting edge 14,16 in each cutting edge mounting groove 22,24 of the round plate 12 that inserts cutter front milling tool 10 respectively contacts respectively.In addition, relevant contact-making surface 46a, 46b from each contact member 44a, 44b is to each height dimension of mounting surface 42, set the height dimension of the contact-making surface 46a of the contact member 44a that can contact with the cutter head of cutting edge 14 from roughing for, than the amount of the only little fine finishining approach of the height dimension d of the contact-making surface 46b of the contact member 44b that can contact with the cutter head of cutting edge 16 from fine finishining.In addition, on the mounting surface 42 of cutting edge jig for positioning 38, erect a pair of positioning pin 48,48 be set, this a pair of positioning pin 48,48 respectively with the end face of the round plate 12 that is arranged on face milling member 10 on a pair of location chimeric respectively with hole 34,34.And then, on cutting edge jig for positioning 38, with the end face of the round plate 12 that is arranged on front milling tool 10 on a pair of fixing with the corresponding respectively position of screwed hole 36,36 on, form a pair of through hole 50,50 of perforation along the vertical direction.In addition, as the differentiation mark when being assembled into cutting edge jig for positioning 38 on the front milling tool 10, can be near the cutting edge mounting groove 22,24 of the cutting edge 14,16 of front milling tool 10 and round plate 12, and on each cutting edge jig for positioning 38, give respectively and matchmark.
In order to utilize cutting edge jig for positioning shown in Figure 8 38 to carry out the cutting edge 14 of front milling tool 10, the adjustment of 16 cutter head position, at first, respectively with each cutting edge 14,16 insert each cutting edge mounting groove 22 of the round plate 12 of cutter front milling tool 10, after on 24, at fixing screw 30 of no use with cutting edge 14,16 are fixed to cutting edge mounting groove 22, under the state in 24, shown in the side view of Fig. 9, respectively with a pair of positioning pin 48 of cutting edge jig for positioning 38, hole 34 is used in the 48 a pair of location that are fitted to round plate 12 respectively, in 34, carry out contraposition, and make the part of the end face of round plate 12 closely contact the mounting surface 42 of cutting edge jig for positioning 38.Then, the fixed-use bolt 52 that leading section is carved with screw thread passes a pair of through hole 50,50 of cutting edge jig for positioning 38 respectively, the leading section of each fixed-use bolt 52 is screwed into round plate 12 a pair of fixing of front milling tool 10 respectively, cutting edge jig for positioning 38 is assembled on the front milling tool 10 with in the screwed hole 36,36.
Secondly, each cutting edge 14,16 direction of axis line along round plate 12 on each cutting edge mounting groove 22,24 of the round plate 12 that is inserted into front milling tool 10 are moved, with the cutter head of each cutting edge 14,16 respectively applying light contact contact-making surface 46a, the 46b of each contact member 44a, 44b of cutting edge jig for positioning 38.Then, utilize fixing screw 30 that each cutting edge 14,16 is respectively fixed in each cutting edge mounting groove 22,24.At this moment, as mentioned above, because the height dimension from a side's of cutting edge jig for positioning 38 contact-making surface 46a to mounting surface 42 is than the amount from the opposing party's contact-making surface 46b to the only little fine finishining approach of the height dimension d of mounting 42, thus become fine finishining with the cutter head of cutting edge 16 than the cutter head of roughing cutting edge 14 state of outstanding fine finishining approach d only forwards.As described above, can be easily and rapidly, good 14,16 the location adjustment of carrying out front milling tool 10 of repeatability.
Figure 10 and Figure 11 are the figure of the relation of the spinning movement of expression front milling tool 10 and feed motion, are the diagrams of seeing during from top view that surpasses the front milling tool 10 that is cut plate material 1 respectively.In addition, in these figure,, draw out the amount of feeding of front milling tool 10 large for the ease of understanding.
Shown in Figure 10 (a)～(c) and Figure 11 (d), (e), the length direction that is cut end face that is cut plate material 1 by rotation edge, front milling tool 10 limits moves, roughing cutting edge 14 and fine finishining alternately intersect and contact with the end face that is cut that is cut plate material 1 with cutting edge 16, utilize the end face that is cut of roughing cutting edge 14 and fine finishining cutting edge 16 slicing plate materials 1.In addition, the end face that is cut that front milling tool 10 is cut plate material 1 relatively only passes through once, just can the required processing end face of fine finishining.
Here, be accompanied by rotatablely moving of front milling tool 10, intersecting the moment that contact (state Figure 10 (b) and Figure 11 (d) respectively with double dot dash line represented) with cutting edge 14 with the end face that is cut that is cut plate material 1 from roughing, to fine finishining with cutting edge 16 be cut plate material 1 be cut end face intersect moment of contacting (state of (d) expression of Figure 11) during in, by feed mechanism make distance (amount of feeding) l that front milling tool 10 moves (=b-a), be configured to roughing and always intersect and contact with the end face that is cut that is cut plate material 1 in advance with cutting edge 16 than fine finishining with cutting edge 14.
Describe according to Figure 12 below, shown in (b), roughing in season intersects roughing when contacting with the line in the axle center (pivot of front milling tool 10) of the cutter head outboard end of cutting edge 14 and round plate 12 with cutting edge 14 with the end face that is cut that is cut plate material 1, with be θ 2 perpendicular to the angle that line became that is cut plate material 1, shown in (d), make fine finishining intersect fine finishining when contacting with the line in the axle center of the cutter head outboard end of cutting edge 16 and round plate 12 with the end face that is cut that is cut plate material 1 with cutting edge 16, when being θ 1 perpendicular to the angle that line became that is cut plate material 1, amount of feeding l is set at less than (r2sin θ 2-r1sin θ 1), for example about 0.2mm～0.3mm.Order from the axle center of round plate 12 to fine finishining with the radius size r1 of the outboard end of the cutter head of cutting edge 16, less than from the axle center of round plate 12 to the radius size r2 of roughing with the outboard end of the cutter head of cutting edge 14, and by the setting amount of feeding as described above, when the length direction that is cut end face that is cut plate material 1 at front milling tool 10 limits rotations edge moved, roughing was always gone ahead of the rest with the cutter head of cutting edge 16 than fine finishining with the cutter head of cutting edge 14 and is contacted with the ora terminalis of the side at one's side of the not cutting tip that is cut end face that is cut plate material 1.
In addition, in the above-described embodiments, though roughing is fixed on the round plate 12 of front milling tool 10 with 16 two cutting edges of cutting edge with cutting edge 14 and fine finishining, but cutting edge that also can be more than three or three, for example also can use the cutting edge with cutting edge and fine finishining except that roughing, medium processing is fixed on the round plate 12 with cutting edge, described three cutting edges are configured to into 120 ° angle.
The effect of invention
When using the cutting apparatus of plate material end face of the present invention, a front milling tool is installed on the rotary main shaft, make the front milling tool only carry out machining by the end face that is cut that once is cut plate material, can obtain required processing end face, therefore, can improve machining productivity ratio, simplification device.
In described cutting apparatus, can adjust the overhang of cutting edge simply from the round plate end face of front milling tool.
In described cutting apparatus, milling tool balance when rotated in front is good.
Front of the present invention milling tool by using on the maintenance rotating mechanism that remains on plate material head face cutting device of the present invention, can obtain above-mentioned effect.
In the milling tool of described front, can adjust the overhang of cutting edge simply from the end face of round plate.
Described front milling tool, balance is good during rotation.
In the milling tool of described front, can be easily and adjustment operation that promptly repeatability is carried out the location usefulness of cutting edge well.
Claims (7)
1, a kind of plate material cutting apparatus comprises: the front milling tool, and cutting edge is to be fixed to the round plate peripheral part from the outstanding mode of the end face of round plate; Keep rotating mechanism, keep this front milling tool and make it rotating around the axial line of round plate; The plate material maintaining body is cut the relative and cutting edge that carries out revolution motion with the axle center of round plate as the center of the parallel mode of end face and the end face of the round plate of aforementioned front milling tool and is cut the mode that end face intersects and keeps being cut plate material with the quilt that is cut plate material; And feed mechanism, make by the aforementioned front milling tool of aforementioned maintenance rotating mechanism supporting with by what aforementioned plate material maintaining body kept and be cut plate material, relatively move along the length direction that is cut end face that is cut plate material; Wherein:
Be fixed on the round plate of aforementioned front milling tool with two cutting edges of cutting edge with cutting edge and fine finishining to major general's roughing, make aforementioned fine finishining forwards only give prominence to the amount of fine finishining approach with the cutter head of cutting edge than roughing with the cutter head of cutting edge, and, from the axle center of the round plate of aforementioned front milling tool to the radius size of aforementioned fine finishining with the outboard end of the cutter head of cutting edge, less than from the axle center of the round plate of aforementioned front milling tool to the radius size of aforementioned crude processing with the outboard end of the cutter head of cutting edge;
To set for by the aforementioned front milling tool of aforementioned feed mechanism feeding or the amount of feeding that is cut plate material, be accompanied by rotatablely moving of front milling tool, aforementioned crude mechanism always in advance intersects and contacts with the end face that is cut that is cut plate material with cutting edge than aforementioned fine finishining with cutting edge.
2, the cutting apparatus of plate material end face as claimed in claim 1, it is characterized by, on the circumferential part of the round plate of aforementioned front milling tool, respectively along the direction of the axial line of round plate, at least two cutting edge mounting grooves that aforementioned cutting edge inserts movably at the direction of axis line along round plate are set, and the fixator that respectively aforementioned each cutting edge is fixed in aforementioned each cutting edge mounting groove is set.
3, plate material building up by welding processing unit (plant) as claimed in claim 1 or 2, it is characterized by, roughing is fixed on the round plate of aforementioned front milling tool with two cutting edges of cutting edge with cutting edge and fine finishining, these cutting edges is configured to be in 180 ° angle.
4, a kind of front milling tool, cutting edge is fixed on the peripheral part of round plate from the outstanding mode of the end face of round plate, it is characterized by, on aforementioned round plate at least fixedly roughing with cutting edge and fine finishining with two cutting edges of cutting edge, make aforementioned fine finishining forwards only give prominence to the amount of fine finishining approach with the cutter head of cutting edge than aforementioned crude processing with the cutter head of cutting edge, and, from the axle center of aforementioned round plate to the radius size of aforementioned fine finishining with the outboard end of the cutter head of cutting edge, less than from the axle center of the round plate of aforementioned front milling tool to the radius size of aforementioned crude processing with the outboard end of the cutter head of cutting edge.
5, front as claimed in claim 4 milling tool, it is characterized by, on the circumferential part of aforementioned round plate, respectively along the direction of the axial line of round plate, at least two cutting edge mounting grooves that aforementioned cutting edge inserts movably at the direction of axis line along round plate are set, and the fixator that respectively aforementioned each cutting edge is fixed in aforementioned each cutting edge mounting groove is set.
6, as claim 4 or 5 described front milling tools, it is characterized by, roughing is fixed on the aforementioned round plate with two cutting edges of cutting edge with cutting edge and fine finishining, these cutting edges are configured to be in 180 ° angle.
7, as claim 5 or 6 described front milling tools, it is characterized by, it has assembling cutting edge jig for positioning, described jig for positioning is made of block, described block is respectively arranged with the tight mounting surface that contacts of a part of the end face of aforementioned round plate, and at least two contact-making surfaces contacting respectively of the cutter head that under the part of the end face of aforementioned round plate and the tight state of contact of this mounting surface, inserts aforementioned each cutting edge in aforementioned each cutting edge mounting groove of round plate respectively, and from the aforementioned contact-making surface that can contact with the cutter head of cutting edge with the aforementioned crude processing height dimension of aforementioned mounting surface extremely, than from the aforementioned contact-making surface that can contact with the cutter head of cutting edge with the aforementioned fine finishining amount of the only little fine finishining approach of height dimension of aforementioned mounting surface extremely.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002249418A JP2004082307A (en) | 2002-08-28 | 2002-08-28 | Device for cutting end face of flat plate material, and face milling tool used for it |
| JP249418/2002 | 2002-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1486809A true CN1486809A (en) | 2004-04-07 |
Family
ID=32056538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031555527A Pending CN1486809A (en) | 2002-08-28 | 2003-08-28 | Apparatus for cutting plate end and front milling tool for the same apparatus use |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004082307A (en) |
| CN (1) | CN1486809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121124A (en) * | 2013-01-30 | 2013-05-29 | 扬州苏垦银河连杆有限公司 | Bolt supporting surface sharp milling cutter and processing process for processing a bolt supporting surface of a connecting rod cap by utilizing bolt supporting surface sharp milling cutter |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4954662B2 (en) | 2006-01-27 | 2012-06-20 | 日東電工株式会社 | Cutting method and manufacturing method of sheet-like member |
| KR100913411B1 (en) * | 2008-08-21 | 2009-08-21 | 김용범 | Chamfer Cutter |
| JP2012240162A (en) * | 2011-05-20 | 2012-12-10 | Nachi Fujikoshi Corp | Quick changer device |
| CN119346953A (en) * | 2024-12-27 | 2025-01-24 | 福清市华睿电子配件有限公司 | A cutting tool with accurate positioning function |
-
2002
- 2002-08-28 JP JP2002249418A patent/JP2004082307A/en active Pending
-
2003
- 2003-08-28 CN CNA031555527A patent/CN1486809A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121124A (en) * | 2013-01-30 | 2013-05-29 | 扬州苏垦银河连杆有限公司 | Bolt supporting surface sharp milling cutter and processing process for processing a bolt supporting surface of a connecting rod cap by utilizing bolt supporting surface sharp milling cutter |
| CN103121124B (en) * | 2013-01-30 | 2016-09-21 | 扬州苏垦银河连杆有限公司 | A kind of bolt support face milling cutters and utilize this milling cutter processing connecting rod cap bolt support surface processing technique |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004082307A (en) | 2004-03-18 |
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