CN208004880U - Process the facing cutter of clutch circular arc engaging tooth - Google Patents
Process the facing cutter of clutch circular arc engaging tooth Download PDFInfo
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- CN208004880U CN208004880U CN201820463070.4U CN201820463070U CN208004880U CN 208004880 U CN208004880 U CN 208004880U CN 201820463070 U CN201820463070 U CN 201820463070U CN 208004880 U CN208004880 U CN 208004880U
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Abstract
The utility model is related to a kind of facing cutters of processing clutch circular arc engaging tooth, belong to clutch circular arc engaging tooth processing technique field.Arc convex surface engaging tooth facing cutter includes cutter head, cutter head is equipped with interior cutter tooth and outer cutter tooth, interior cutter tooth is equipped with interior cutter tooth molding side edge and interior cutter tooth molding top sword, outer cutter tooth is equipped with outer cutter tooth cutting side edge and outer cutter tooth molding top sword, and outer cutter tooth molding top sword and interior cutter tooth molding top sword are in centered on cutter axis in the outer conical surface of axis.When processing concave surface engaging tooth, interior cutter tooth molding side edge is used to be molded the side of concave surface tooth, and outer cutter tooth cutting side edge is in centered on cutter axis for cutting engagement tooth socket, outer cutter tooth molding top sword and interior cutter tooth molding top sword in the internal conical surface of axis.The interior cutter tooth of clutch circular arc engaging tooth facing cutter and outer cutter tooth collective effect, improve cutting efficiency, reduce the rate of wear of cutter, while also reducing the Oscillation Amplitude of facing cutter.
Description
Technical field
The utility model is related to a kind of facing cutters of processing clutch circular arc engaging tooth, belong to clutch circular arc engaging tooth and add
Work technical field.
Background technology
There are two types of clutch circular arc engaging tooths, one of which be clutch circular arc concave surface engaging tooth 100, another be from
Clutch arc convex surface engaging tooth 200, as depicted in figs. 1 and 2.The groove sidewall face of the corresponding engagement tooth socket of both engaging tooths and slot
Angle between bottom surface is acute angle, forms convex surface between convex surface engaging tooth 200 and engages tooth socket 201, and the two of convex surface engaging tooth 200
Two groove sidewall faces 202 of side, that is, convex surface engagement tooth socket 201, two groove sidewall faces 202 of tooth socket 201 are engaged in radial direction in convex surface
Intermediate projections on direction.Concave surface is formed between concave surface engaging tooth 100 engages tooth socket 101, the two sides of concave surface engaging tooth 100, that is, recessed
Two groove sidewall faces 102 of tooth socket 101 are engaged in face, and two groove sidewall faces that tooth socket 101 is engaged in concave surface are intermediate in radial directions
Indent.
The structure of common spiral bevel gear as shown in figure 3, a side 301 of the tooth 300 of spiral bevel gear in radial direction
Intermediate indent on direction and another side 302 intermediate projections in radial directions, this tooth in processing, two neighboring tooth it
Between tooth socket 303 by cutting at one time complete processing, it is clear that common spiral bevel gear facing cutter can not process above-mentioned clutch
Circular arc engaging tooth.Clutch circular arc engaging tooth is processed on curved tooth spiral bevel gear tooth milling machine at present, due to circular arc engaging tooth
Unique texture, a tooth socket cannot achieve cutting at one time completion, are cut at twice usually using single-side cutter disk and complete a tooth
The processing of slot, for the first time cutting form the side of a tooth socket, and then workpiece cuts the same tooth socket after indexing rotates
Another flank of tooth, this facing cutter have that cutter top sword cutting output is big, cutting efficiency is low and cutting vibration is big etc. and ask when in use
Topic.
Utility model content
The purpose of this utility model is to provide a kind of facing cutter of processing clutch circular arc engaging tooth, to solve current circle
The problem that arc engaging tooth facing cutter processing efficiency is low and cutting vibration is big.
To achieve the above object, the technical solution of the arc convex surface engaging tooth facing cutter of the utility model is：Arc convex surface
Engaging tooth facing cutter, including cutter head further include being arranged in cutter head upper edge cutter head interior cutter tooth circumferentially and outer cutter tooth,
Interior cutter tooth is equipped with is molded side edge and for cutting engagement for cutting engagement tooth socket and being molded the interior cutter tooth in engaging tooth groove sidewall face
Tooth socket and the interior cutter tooth molding top sword for being molded engagement bottom land, outer cutter tooth are equipped with the outer cutter tooth cutting for cutting engagement tooth socket
Side edge and for cutting engagement tooth socket and being molded the outer cutter tooth molding top sword of engagement bottom land, interior cutter tooth molding top sword and outer knife
Tooth molding top sword is in centered on cutter axis in the outer conical surface of axis.
Further, the semi-cone angle of outer conical surface is where outer cutter tooth molding top sword is molded top sword with interior cutter tooth：α=αc+αw
+ Δ α, wherein αCIt is molded side edge pressure angle, α for interior cutter toothWFor workpiece pressure angle, Δ α is half cone angle correction.
Further, there are fin, interior cutter tooth molding side edge and outer knives for engagement bottom land after being cut in order to avoid single
Tooth truncated sides tooth shape at point width c be less than the sum of interior cutter tooth molding top sword length a and outer cutter tooth molding top sword length b so that institute
State outer cutter tooth molding top sword and interior cutter tooth molding top sword has a lap in circumferencial direction, lap ensure in cutter tooth and outer
The part cutting path of cutter tooth overlaps, and ensures not stay fin between interior cutter tooth and outer cutter tooth cut latter two cutter tooth.
Further, in order to advanced optimize cutting effect, interior cutter tooth molding side edge and outer cutter tooth truncated sides tooth shape are defined
At point width c, the corresponding engagement tooth socket outer end bottom width processed of facing cutter is d1, the corresponding engagement processed of facing cutter
Tooth socket inner end bottom width is d2, arc convex surface engaging tooth fully teeth height is h, h, c, d1、d2, meet：Ensure that the part of engagement tooth socket inner end bottom is only cut, outside
It does not stay " fin " part of end bottom.
Further, outer cutter tooth cutting side edge pressure angle is less than interior cutter tooth molding side edge pressure angle.Due to an engaging tooth
Slot, which needs to process twice, can be molded the tooth socket both sides flank of tooth, if outer cutter tooth cutting side edge pressure angle is excessive, be easy to cut
Tooth socket side is engaged, because cutter tooth cutting side edge pressure angle can avoid molding nibble less than interior cutter tooth molding side edge pressure angle in addition
Tooth socket side is closed to be damaged.
Further, interior cutter tooth molding side edge pressure angle is 7 °~20 °, and outer cutter tooth cutting side edge pressure angle is 5 °~15 °.
To achieve the above object, the technical solution of the circular arc concave surface engaging tooth facing cutter of the utility model is：Circular arc concave surface
Engaging tooth facing cutter includes cutter head, further includes being arranged in cutter head upper edge cutter head outer cutter tooth circumferentially and interior cutter tooth,
Outer cutter tooth is equipped with side edge and to be used for for cutting concave surface engagement tooth socket and being molded the outer cutter tooth molding in concave surface engaging tooth groove sidewall face
Cutting concave surface engagement tooth socket and the outer cutter tooth molding top sword for being molded concave surface engagement bottom land, interior cutter tooth are equipped with for cutting concave surface
The interior cutter tooth of engagement tooth socket cuts side edge and for cutting concave surface engagement tooth socket and being molded the interior cutter tooth for engaging bottom land in concave surface
Molding top sword, outer cutter tooth molding top sword and interior cutter tooth molding top sword are in centered on cutter axis in the internal conical surface of axis.
Further, the semi-cone angle of internal conical surface is where outer cutter tooth molding top sword is molded top sword with interior cutter tooth：α=αc+αw
+ Δ α, wherein αCIt is molded side edge pressure angle, α for outer cutter toothWFor workpiece pressure angle, Δ α is half cone angle correction.
Further, there are fin, interior cutter tooth cutting side edge and outer knives for engagement bottom land after being cut in order to avoid single
Tooth is molded the point width c that side edge is formed and is less than the sum of interior cutter tooth molding top sword length a and outer cutter tooth molding top sword length b so that institute
State outer cutter tooth molding top sword and interior cutter tooth molding top sword has lap in circumferencial direction.
Further, the point width c that cutter tooth cutting side edge and outer cutter tooth molding side edge is formed in defining, corresponding to facing cutter
The width of the concave surface engagement tooth socket outer end bottom of processing is d1, the corresponding concave surface engagement tooth socket inner end bottom processed of facing cutter
Width is d2, circular arc concave surface engaging tooth fully teeth height is h, h, c, d1、d2, meet：Ensure that the narrow part of engagement gullet base is only cut, it is wide
It does not stay " fin " part.
Further, interior cutter tooth cutting side edge pressure angle is less than outer cutter tooth molding side edge pressure angle.Due to an engaging tooth
Slot, which needs to process twice, can be molded the tooth socket both sides flank of tooth, if interior cutter tooth cutting side edge pressure angle is excessive, be easy to cut engagement
Tooth socket side, therefore interior cutter tooth cutting side edge pressure angle is less than outer cutter tooth molding side edge pressure angle and can avoid engaging tooth socket side
It is damaged.
Further, outer cutter tooth molding side edge pressure angle is 7 °~20 °, and interior cutter tooth cutting side edge pressure angle is 5 °~15 °.
The beneficial effects of the utility model are：In being provided on the cutter head of the circular arc engaging tooth facing cutter of the utility model
Cutter tooth and outer cutter tooth, when processing convex surface engaging tooth or concave surface engaging tooth, interior cutter tooth side edge and one in outer cutter tooth side edge
Side for being molded convex surface tooth or concave surface tooth, another reduces the cutting output of top sword, simultaneously for cutting engagement tooth socket
Interior cutter tooth and outer cutter tooth collective effect, reduce the rate of wear of cutter, while also reducing the Oscillation Amplitude of facing cutter, solve
The problem that current circular arc engaging tooth facing cutter processing efficiency is low and cutting vibration is big.
Description of the drawings
Fig. 1 is the structural schematic diagram of clutch circular arc concave surface engaging tooth in the prior art；
Fig. 2 is the structural schematic diagram of clutch arc convex surface engaging tooth in the prior art；
Fig. 3 is the structural schematic diagram of the engaging tooth of circular arc spiral bevel gear in the prior art；
Fig. 4 is the vertical view of clutch circular arc concave surface engaging tooth in the prior art；
Fig. 5 is the structural schematic diagram of part A in Fig. 4；
Fig. 6 is the structural schematic diagram of the specific embodiment 1 of the circular arc concave surface engaging tooth facing cutter of the utility model；
Fig. 7 is the enlarged drawing of C portion in Fig. 6；
Fig. 8 is the outer cutter tooth of Fig. 7 and the equivalent view of interior cutter tooth；
Fig. 9 is the knot of the outer cutter tooth pressure angle of the specific embodiment 1 of the circular arc concave surface engaging tooth facing cutter of the utility model
Structure schematic diagram；
Figure 10 is that the specific embodiment 1 of the circular arc concave surface engaging tooth facing cutter of the utility model engages tooth socket in molding concave surface
When facing cutter and workpiece relative position schematic diagram；
Figure 11 be the circular arc concave surface engaging tooth facing cutter of the utility model specific embodiment 1 in cut engaging tooth for the first time
Status diagram when slot；
Figure 12 be the circular arc concave surface engaging tooth facing cutter of the utility model specific embodiment 1 in second cutting engaging tooth
Status diagram when slot；
Figure 13 is the vertical view of clutch arc convex surface engaging tooth in the prior art；
Figure 14 is the structural schematic diagram of part B in Figure 13；
Figure 15 is the structural schematic diagram of the specific embodiment 1 of the arc convex surface engaging tooth facing cutter of the utility model；
Figure 16 is the enlarged drawing of the parts D in Figure 15；
Figure 17 is the equivalent view of the outer cutter tooth and interior cutter tooth in Figure 16.
Figure 18 is the knot of the interior cutter tooth pressure angle of the specific embodiment 1 of the arc convex surface engaging tooth facing cutter of the utility model
Structure schematic diagram；
Figure 19 is that the specific embodiment 1 of the arc convex surface engaging tooth facing cutter of the utility model engages tooth socket on molding convex surface
When facing cutter and workpiece relative position schematic diagram；
Figure 20 be the arc convex surface engaging tooth facing cutter of the utility model specific embodiment 1 in cut engaging tooth for the first time
Status diagram when slot；
Figure 21 be the arc convex surface engaging tooth facing cutter of the utility model specific embodiment 1 in second cutting engaging tooth
Status diagram when slot；
In figure：Circular arc concave surface engaging tooth facing cutter 1；Concave surface engaging tooth cutter head 11；Interior cutter tooth 12；Interior cutter tooth cuts side edge
121；Interior cutter tooth molding top sword 122；Outer cutter tooth 13；Outer cutter tooth is molded side edge 131；Outer cutter tooth molding top sword 132；Concave surface engaging tooth
100；Engage tooth socket 101 in concave surface；Concave surface engaging tooth groove sidewall face 102；Engage bottom land 103 in concave surface；Convex surface engaging tooth 200；
Engage tooth socket 201 in convex surface；Convex surface engaging tooth groove sidewall face 202；Engage bottom land 203 in convex surface；Arc convex surface engaging tooth milling cutter
Disk 2；Convex surface engaging tooth cutter head 21；Interior cutter tooth 22；Interior cutter tooth is molded side edge 221；Interior cutter tooth cutting top sword 222；Outer cutter tooth 23；
Outer cutter tooth cuts side edge 231；Outer cutter tooth molding top sword 232.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the circular arc concave surface engaging tooth facing cutter of the utility model, as shown in Fig. 4 to Figure 12, circular arc is recessed
Face engaging tooth facing cutter 1 includes concave surface engaging tooth cutter head 11 and the interior cutter tooth 12, the outer cutter tooth 13 that are arranged on cutterhead, interior cutter tooth
12 and outer cutter tooth 13 along concave surface engaging tooth cutter head 11 circumferentially.In the present embodiment, interior cutter tooth 12 and outer cutter tooth 13 replace
It arranges, an interior cutter tooth 12 is arranged between adjacent two outer cutters tooth 13, and the circle where interior cutter tooth 12 and outer cutter tooth 13 is set with one heart
Set, the interior cutter tooth 12 and outer cutter tooth 13 in the present embodiment with reference to spiral bevel gear facing cutter in the prior art arrangement form and
Fixed form, but by the unique texture of cutter tooth 12 and outer cutter tooth 13 in this present embodiment, when in use circular arc concave surface engaging tooth
Facing cutter and the relative position of work, processing method are all different, and the specific form processing of circular arc concave surface engaging tooth facing cutter
The form processing that the single-side cutter disk for being used to process clutch circular arc engaging tooth in the prior art may be used, specifically will below
Explanation is unfolded.
As shown in fig. 7, interior cutter tooth 12 is equipped with the interior cutter tooth cutting side edge 121 and use for engaging tooth socket 101 for cutting concave surface
In cutting concave surface engagement tooth socket 101 and it is molded the interior cutter tooth molding top sword 122 for engaging bottom land 103 in concave surface, outer cutter tooth 13 is set
It is useful for cutting concave surface engagement tooth socket 101 and is molded the outer cutter tooth molding side edge 131 in concave surface engaging tooth groove sidewall face 102 and is used for
Cutting concave surface engagement tooth socket 101 and the outer cutter tooth molding top sword 132 for being molded concave surface engagement bottom land 103.In the present embodiment
Outer cutter tooth molding side edge 131 is for being molded concave surface engaging tooth groove sidewall face 102, and interior cutter tooth cutting side edge 121 is used only for cutting
Concave surface engagement tooth socket 101 is cut, the processing speed that tooth socket 101 is engaged in concave surface is improved by adding interior cutter tooth 12, reduces cutting vibration.
Interior cutter tooth molding top sword 122 and outer cutter tooth molding top sword 132 are in the female cone of the axis centered on cutter axis
In face, it is one that can make the concave surface engagement bottom land 103 that outer cutter tooth molding top sword 132 and interior cutter tooth molding top sword 122 are cut
A continuous curved surface, without apparent machined trace.Conceived based on same, in the present embodiment, each interior cutter tooth cutting side edge 121 is in
Centered on cutter axis in the circular conical surface of axis, each outer cutter tooth molding side edge also is located at the circle of the axis centered on cutter axis
In the conical surface.
In the present embodiment, outer cutter tooth molding top sword 132 is molded the internal conical surface corresponding half at 122 place of top sword with interior cutter tooth
The size of cone angle：α=αc+αw+ Δ α, wherein αCIt is molded side edge pressure angle, α for outer cutter toothWFor workpiece pressure angle, Δ α is half cone
Angle correction.
In order to ensure that concave surface engagement bottom land 103 is smooth, in the present embodiment, interior cutter tooth cutting side edge 121 and outer cutter tooth
It is molded the length a that the point width c that side edge 131 is formed is less than outer cutter tooth molding top 132 length b of sword and interior cutter tooth molding top sword 122
The sum of, make the cutting path of interior cutter tooth molding top sword 122 and outer cutter tooth molding top sword 132 that there is intersection, outer cutter tooth molding
Push up sword 132 and interior cutter tooth molding top sword 122 has lap on the circumferencial direction of facing cutter, outer cutter tooth molding top when use
The cutting path of sword 132 and interior cutter tooth molding top sword 122 intersects, and avoids existing in concave surface engagement bottom land 103 " convex
Rib ".
Since the processing of circular arc engaging tooth is different with curved tooth spiral bevel gear, each concave surface of clutch circular arc engaging tooth is nibbled
Tooth socket 101 is closed to need to process twice and can complete, for the processing concave surface engaging tooth of facing cutter in this present embodiment, concave surface engagement
Two concave surfaces engaging tooth groove sidewall face, 102 face of tooth socket 101 is formed by outer cutter tooth molding side edge 131, and interior cutter tooth is cut
The effect of side edge 121 is cut just for the sake of quickly cutting out concave surface engagement tooth socket 101, it is by outer knife that bottom land 103 is engaged in concave surface
Tooth molding top sword and interior cutter tooth molding top sword cut formation jointly, improve the processing speed of circular arc engaging tooth.
Traditional clutch circular arc engaging tooth facing cutter is single side cutterhead, only the side edge of cutter tooth and top two cutting edges of sword
Cutting is participated in, and the clutch circular arc engaging tooth facing cutter of the utility model is double-sided blade cutterhead, there is side edge and the top of interior cutter tooth
Totally four cutting edges participate in cutting for sword, the side edge of outer cutter tooth and top sword, effectively reduce the cutting output of single top sword, therefore cut
Power also becomes smaller therewith, and since power is to cause the excitation of cutting vibration, cutting vibration is small in process, and operating mode ratio uses single side
To be got well when cutterhead, can also specific aim improve feed speed, and then improve cutting efficiency.
In addition, can completely cut a complete concave surface engagement tooth socket 101, the present embodiment to ensure to cut twice
In, as shown in figure 8, it is b to define outer cutter tooth molding top 132 length of sword, interior cutter tooth molding top 122 length of sword is a, interior cutter tooth cutting
The point width that side edge is formed with outer cutter tooth molding side edge is c, is defined outside the corresponding concave surface engagement gullet base processed of facing cutter
End width is d1, the corresponding concave surface engagement gullet base inner end width processed of facing cutter is d2, circular arc concave surface engaging tooth fully teeth height is h,
h、c、d1、d2Meet：
In the present embodiment, interior cutter tooth cutting 121 pressure angle of side edge is less than outer cutter tooth and is molded 131 pressure angle of side edge, specifically
Preferred scope is：Outer cutter tooth molding 131 pressure angle of side edge is 7 °~20 °, and interior cutter tooth cutting 121 pressure angle of side edge is 5 °~15 °.
Outer cutter tooth molding side edge is larger, and interior cutter tooth cutting side edge pressure angle is smaller, due to an engagement tooth socket needs to process twice can
Forming if interior cutter tooth cutting side edge pressure angle is excessive, is easy to the production of engagement tooth socket side in second of processing engagement tooth socket
It gave birth to and cut, therefore interior cutter tooth cutting side edge pressure angle is less than outer cutter tooth molding side edge pressure angle and avoids molding engagement tooth socket side
It is damaged.
In addition, in the present embodiment, the flank of interior cutter tooth cutting side edge and the flank of outer cutter tooth molding side edge are respectively positioned on
Using cutter axis as in the Archimedes' helicoid of axis.It is straight that the characteristic of Archimedes' helicoid can guarantee that side edge refaces rear point of a knife
Diameter is constant.The flank of outer cutter tooth molding top sword and the flank of interior cutter tooth molding top sword are respectively positioned on using cutter axis as axis
In Archimedes' helicoid.Ensure top sword reface rear outer cutter tooth and interior cutter tooth push up tooth shape at using cutter axis as the circle of axis
The semi-cone angle of the conical surface is constant, to keep the engagement bottom land cut out continuous.
The process of clutch circular arc concave surface engaging tooth in the present embodiment is：As shown in Figure 10, first by workpiece and
Circular arc concave surface engaging tooth facing cutter is fixed, and then carries out first time machining to workpiece, and as shown in figure 11, cutting for the first time adds
Concave surface engaging tooth groove sidewall face 102 is formed after work, then workpiece is indexed, and carrying out second of cutting to workpiece adds
Work forms complete concave surface engagement tooth socket 101 as shown in figure 12 after second of machining.
Above-mentioned specific embodiment 1 is the preferred embodiment of the circular arc concave surface engaging tooth facing cutter of the utility model, other
In embodiment, either it can be simplified or advanced optimized according to actual conditions, specific variant can have
Its several situation below：
The specific embodiment 2 of the circular arc concave surface engaging tooth facing cutter of the utility model, including cutter head, setting are in cutter head
Upper edge cutter head interior cutter tooth circumferentially and outer cutter tooth, interior cutter tooth are equipped with the interior cutter tooth cutting that tooth socket is engaged for cutting concave surface
Side edge and for cut concave surface engagement tooth socket and be molded concave surface engage bottom land interior cutter tooth molding top sword, outer cutter tooth be equipped with use
In cutting concave surface engagement tooth socket and it is molded the outer cutter tooth molding side edge in concave surface engaging tooth groove sidewall face and is engaged for cutting concave surface
Tooth socket and the outer cutter tooth molding top sword for being molded concave surface engagement bottom land, outer cutter tooth molding top sword and interior cutter tooth molding top sword are in
Centered on cutter axis in the internal conical surface of axis.The concrete structure in interior cutter tooth and outer cutter tooth in the present embodiment is in addition to adopting
Except the form in above-mentioned specific embodiment 1, other structures can also be used, for example the point width of interior cutter tooth and outer cutter tooth can
To be more than the sum of interior cutter tooth molding top sword length and outer cutter tooth molding top sword length.
Circular arc concave surface engaging tooth facing cutter in the present embodiment only remain can Machining Arc concave surface engaging tooth most
Reduction procedure, in use, interior cutter tooth and a side for being molded concave surface tooth in the side edge in outer cutter tooth, another is for cutting
Engagement tooth socket is cut, cutting efficiency, while interior cutter tooth and outer cutter tooth collective effect is improved, reduces the rate of wear of cutter, it is double
The facing cutter of cutter tooth also reduces the Oscillation Amplitude of facing cutter.
The specific embodiment 3 of the circular arc concave surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of concave surface engaging tooth facing cutter advanced optimizes, and outer cutter tooth molding top sword is pushed up with the molding of interior cutter tooth where sword
The semi-cone angle of outer conical surface is：α=αc+αw+ Δ α, wherein αCIt is molded side edge pressure angle, α for outer cutter toothWFor workpiece pressure angle,
Δ α is half cone angle correction.
The specific embodiment 4 of the circular arc concave surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of concave surface engaging tooth facing cutter 3 advanced optimizes, and engagement bottom land is stayed after being cut in order to avoid single
There is a fin, in the present embodiment, point width c that interior cutter tooth cutting side edge is formed with outer cutter tooth molding side edge is less than the molding of interior cutter tooth and pushes up
The sum of sword length a and outer cutter tooth molding top sword length b are so that the outer cutter tooth molding pushes up sword and interior cutter tooth molding top sword in circumference
Direction has lap.In other embodiment, point width that interior cutter tooth cutting side edge is formed with outer cutter tooth molding side edge can be with
It is molded the sum of top sword length a and outer cutter tooth molding top sword length b more than interior cutter tooth.
The specific embodiment 5 of the circular arc concave surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of concave surface engaging tooth facing cutter 3 advanced optimizes, define in cutter tooth cutting side edge be molded side with outer cutter tooth
Tooth shape at point width c, the width of the corresponding concave surface engagement tooth socket outer end bottom processed of facing cutter is d1, corresponding to facing cutter
The width of the concave surface engagement tooth socket inner end bottom of processing is d2, circular arc concave surface engaging tooth fully teeth height is h, h, c, d1、d2, meet：Ensure that the narrow part of engagement gullet base is only cut, it is wide
It does not stay " fin " part.In other embodiment, do not consider the value of a, b, c in the case of fin can be become larger as needed or
Person becomes smaller adjustment.
The specific embodiment 6 of the circular arc concave surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of concave surface engaging tooth facing cutter 3 advanced optimizes, interior cutter tooth cutting side edge pressure angle be less than outer cutter tooth at
Type side edge pressure angle.Molding engagement tooth socket side is avoided to be damaged.In other embodiment, in outer cutter tooth and interior cutter tooth size
When smaller, also outer cutter tooth molding side edge pressure angle might be less that interior cutter tooth cutting side edge pressure angle.
The specific embodiment 7 of the circular arc concave surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 6 of concave surface engaging tooth facing cutter advanced optimizes, and outer cutter tooth molding side edge pressure angle is 7 °~20 °, interior knife
It is 5 °~15 ° that tooth, which cuts side edge pressure angle,.
The specific embodiment 1 of the arc convex surface engaging tooth facing cutter of the utility model, in the present embodiment, such as Figure 13 to Figure 21
Shown, arc convex surface engaging tooth facing cutter 2 includes convex surface engaging tooth cutter head 21 and the interior cutter tooth 22, the outer knife that are arranged on cutterhead
Tooth 23, interior cutter tooth 22 and outer cutter tooth 23 along convex surface engaging tooth cutter head 21 circumferentially.In the present embodiment, interior cutter tooth 22 and outer
Cutter tooth 23 is alternately arranged, and an interior cutter tooth 22,23 place of interior cutter tooth 22 and outer cutter tooth are arranged between adjacent two outer cutters tooth 23
Circle be arranged concentrically, the interior cutter tooth 22 and outer cutter tooth 23 in the present embodiment are with reference to spiral bevel gear facing cutter in the prior art
Arrangement form and fixed form, but by the unique texture of cutter tooth 22 and outer cutter tooth 23 in this present embodiment, when in use circular arc
Concave surface engaging tooth facing cutter and the relative position of work, processing method are all different, and circular arc concave surface engaging tooth facing cutter is specific
Form processing may be used in the prior art be used for process clutch circular arc engaging tooth single-side cutter disk form processing, tool
Body will be unfolded to illustrate below.
As shown in Figure 14 to 16, interior cutter tooth 22 is equipped with engages tooth socket for cutting convex surface engagement tooth socket 201 and being molded convex surface
The interior cutter tooth of side wall surface 202 is molded side edge 221 and engages bottom land for cutting convex surface engagement tooth socket 201 and being molded convex surface
203 interior cutter tooth molding top sword 222, outer cutter tooth 23 are equipped with the outer cutter tooth cutting side edge 231 that tooth socket 201 is engaged for cutting convex surface
With for cut convex surface engagement tooth socket 201 and be molded convex surface engage bottom land 203 outer cutter tooth molding top sword 232.This implementation
Interior cutter tooth molding side edge 221 in example is for being molded convex surface engaging tooth groove sidewall face 202, and outer cutter tooth cutting side edge 231 is only
Tooth socket 201 is engaged for cutting convex surface, improves the processing speed that tooth socket 201 is engaged on convex surface by adding outer cutter tooth 23, reduction is cut
Cut vibration.
Interior cutter tooth molding top sword 222 and outer cutter tooth molding top sword 232 are in the outer cone of the axis centered on cutter axis
In face, it is one that can make the convex surface engagement bottom land 203 that outer cutter tooth molding top sword 232 and interior cutter tooth molding top sword 222 are cut
A continuous curved surface, without apparent machined trace.Conceived based on same, in the present embodiment, each interior cutter tooth molding side edge 221 is in
Centered on cutter axis in the circular conical surface of axis, each outer cutter tooth cutting side edge also is located at the circle of the axis centered on cutter axis
In the conical surface.
In the present embodiment, outer cutter tooth molding top sword 232 is molded the outer conical surface corresponding half at 222 place of top sword with interior cutter tooth
The size of cone angle：α=αc+αw+ Δ α, wherein αCIt is molded side edge pressure angle, α for interior cutter toothWFor workpiece pressure angle, Δ α is half cone
Angle correction.
In order to ensure that convex surface engagement bottom land 203 is smooth, in the present embodiment, interior cutter tooth molding side edge 221 and outer cutter tooth
Cut the length a that the point width c that side edge 231 is formed is less than outer cutter tooth molding top 232 length b of sword and interior cutter tooth molding top sword 222
The sum of, make the cutting path of interior cutter tooth molding top sword 222 and outer cutter tooth molding top sword 232 that there is intersection, outer cutter tooth molding
Push up sword 232 and interior cutter tooth molding top sword 222 has lap on the circumferencial direction of facing cutter, outer cutter tooth molding top when use
The cutting path of sword 232 and interior cutter tooth molding top sword 222 intersects, and avoids existing in convex surface engagement bottom land 203 " convex
Rib ".
Since the processing of circular arc engaging tooth is different with curved tooth spiral bevel gear, each convex surface of clutch circular arc engaging tooth is nibbled
Tooth socket 201 is closed to need to process twice and can complete, for the processing convex surface engaging tooth of facing cutter in this present embodiment, convex surface engagement
Two convex surfaces engaging tooth groove sidewall face, 202 face of tooth socket 201 is formed by interior cutter tooth molding side edge 221, and outer cutter tooth is cut
The effect of side edge 231 is cut just for the sake of quickly cutting out convex surface engagement tooth socket 201, it is by outer knife that bottom land 203 is engaged on convex surface
Tooth molding top sword and interior cutter tooth molding top sword cut formation jointly, improve the processing speed of circular arc engaging tooth.
Traditional clutch circular arc engaging tooth facing cutter is single side cutterhead, only the side edge of cutter tooth and top two cutting edges of sword
Cutting is participated in, and the clutch circular arc engaging tooth facing cutter of the utility model is double-sided blade cutterhead, there is side edge and the top of interior cutter tooth
Totally four cutting edges participate in cutting for sword, the side edge of outer cutter tooth and top sword, and individually the cutting output of top sword effectively reduces in this way, therefore cuts
It cuts power also therewith to become smaller, since power is to cause the excitation of cutting vibration, cutting vibration is small in process, and operating mode ratio is using single
To be got well when the cutterhead of face, can also specific aim improve feed speed, and then improve cutting efficiency.
In addition, can completely cut a complete convex surface engagement tooth socket 201, the present embodiment to ensure to cut twice
In, as shown in Figure 10, it is b to define outer cutter tooth molding top 232 length of sword, and interior cutter tooth molding top 222 length of sword is a, interior cutter tooth at
Type side edge and outer cutter tooth truncated sides tooth shape at point width c, the corresponding engagement tooth socket outer end bottom width processed of facing cutter is
d1, the corresponding engagement tooth socket inner end bottom width processed of facing cutter is d2, arc convex surface engaging tooth fully teeth height is h, h, c, d1、
d2, meet：
In the present embodiment, interior cutter tooth molding 231 pressure angle of side edge is more than outer cutter tooth and cuts 221 pressure angle of side edge, specifically
Preferred scope is：It is 7 °~20 ° that interior cutter tooth, which is cut into 221 pressure angle of type side edge, outer cutter tooth cutting 231 pressure angle of side edge is 5 °~
15°。
In addition, in the present embodiment, the flank of interior cutter tooth molding side edge and the flank of outer cutter tooth cutting side edge are respectively positioned on
Using cutter axis as in the Archimedes' helicoid of axis.It is straight that the characteristic of Archimedes' helicoid can guarantee that side edge refaces rear point of a knife
Diameter is constant.The flank of outer cutter tooth molding top sword and the flank of interior cutter tooth molding top sword are respectively positioned on using cutter axis as axis
In Archimedes' helicoid.Ensure top sword reface rear outer cutter tooth and interior cutter tooth push up tooth shape at using cutter axis as the circle of axis
The semi-cone angle of the conical surface is constant, to keep the engagement bottom land cut out continuous.
The process of clutch arc convex surface engaging tooth in the present embodiment is：As shown in figure 19, first by workpiece and
Arc convex surface engaging tooth facing cutter is fixed, and then carries out first time machining to workpiece, and as shown in figure 20, cutting for the first time adds
Convex surface engaging tooth groove sidewall face 202 is formed after work, then workpiece is indexed, and second of machining is carried out to workpiece,
As shown in figure 21, complete convex surface engagement tooth socket 201 is formed after second of machining.
Above-mentioned arc convex surface engaging tooth facing cutter specific embodiment 1 is the arc convex surface engaging tooth facing cutter of the utility model
Preferred embodiment, in other embodiment, either can be simplified or advanced optimized according to actual conditions, had
The variant of body can have following several situations：
The specific embodiment 2 of the arc convex surface engaging tooth facing cutter of the utility model, arc convex surface engaging tooth facing cutter packet
It includes cutter head including is arranged in cutter head upper edge cutter head interior cutter tooth circumferentially and outer cutter tooth, outer cutter tooth is equipped with for cutting
Cut the outer cutter tooth cutting side edge of engagement tooth socket and for cutting the outer cutter tooth molding top engaged tooth socket and be molded engagement bottom land
Sword, interior cutter tooth, which is equipped with, to be used to cut engagement tooth socket and is molded the interior cutter tooth molding side edge in engaging tooth groove sidewall face and is nibbled for cutting
Close the interior cutter tooth molding top sword that tooth socket is simultaneously molded engagement bottom land, outer cutter tooth molding top sword and interior cutter tooth molding top sword be in
Centered on cutter axis in the outer conical surface of axis.The concrete structure in interior cutter tooth and outer cutter tooth in the present embodiment is in addition to using
Except form in above-mentioned specific embodiment 1, other structures can also be used, for example, in the point width of cutter tooth and outer cutter tooth can be with
It is molded the sum of top sword length and outer cutter tooth molding top sword length more than interior cutter tooth.
The specific embodiment 3 of the arc convex surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of convex surface engaging tooth facing cutter advanced optimizes, and outer cutter tooth molding top sword is pushed up with the molding of interior cutter tooth where sword
The semi-cone angle of outer conical surface is：α=αc+αw+ Δ α, wherein αCIt is molded side edge pressure angle, α for interior cutter toothWFor workpiece pressure angle,
Δ α is half cone angle correction.
The specific embodiment 4 of the arc convex surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of convex surface engaging tooth facing cutter 3 advanced optimizes, and engagement bottom land is stayed after being cut in order to avoid single
Have a fin, interior cutter tooth molding side edge and outer cutter tooth truncated sides tooth shape at point width c be less than interior cutter tooth molding top sword length a with it is outer
The sum of cutter tooth molding top sword length b is so that the outer cutter tooth molding top sword and interior cutter tooth molding top sword have overlapping in circumferencial direction
Part.In other embodiment, interior cutter tooth molding side edge and outer cutter tooth truncated sides tooth shape at point width can be more than interior cutter tooth at
The sum of type top sword length a and outer cutter tooth molding top sword length b.
The specific embodiment 5 of the arc convex surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of convex surface engaging tooth facing cutter 3 advanced optimizes, define in cutter tooth molding side edge and outer cutter tooth truncated sides
Tooth shape at point width c, the corresponding engagement tooth socket outer end bottom width processed of facing cutter is d1, the corresponding processing of facing cutter
It is d to engage tooth socket inner end bottom width2, arc convex surface engaging tooth fully teeth height is h, h, c, d1、d2, meet：In other embodiment, the value of c in the case of fin is not considered
Can be become larger or be become smaller as needed adjustment.
The specific embodiment 6 of the arc convex surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 2 of convex surface engaging tooth facing cutter 3 advanced optimizes, outer cutter tooth cutting side edge pressure angle be less than interior cutter tooth at
Type side edge pressure angle.Interior cutter tooth molding side edge is larger, and outer cutter tooth cutting side edge pressure angle is smaller, since an engagement tooth socket needs
Processing can shape twice, if outer cutter tooth cutting side edge pressure angle is excessive, be easy when processing for the first time to an engagement tooth socket
Side, which is crossed, cuts, and in second of processing engagement tooth socket, is produced from the engagement tooth socket side for being also easy to have completed when processing first time
Raw secondary cutting, because cutter tooth cutting side edge pressure angle avoids molding engaging tooth no more than interior cutter tooth molding side edge pressure angle in addition
Slot side is damaged.In other embodiment, in outer cutter tooth and smaller interior cutter tooth size, also interior cutter tooth is molded side edge pressure angle
It might be less that outer cutter tooth cutting side edge pressure angle.
The specific embodiment 7 of the arc convex surface engaging tooth facing cutter of the utility model, as the circular arc to the utility model
The specific embodiment 6 of convex surface engaging tooth facing cutter advanced optimizes, and interior cutter tooth molding side edge pressure angle is 7 °~20 °, outer knife
It is 5 °~15 ° that tooth, which cuts side edge pressure angle,.
Claims (10)
1. arc convex surface engaging tooth facing cutter, including cutter head, it is characterised in that：Further include being arranged in cutter head upper edge cutter head
Interior cutter tooth circumferentially and outer cutter tooth, interior cutter tooth are equipped with the interior knife for cutting engagement tooth socket and being molded engaging tooth groove sidewall face
Tooth is molded side edge and for cutting the interior cutter tooth molding top sword for engaging tooth socket and being molded engagement bottom land, and outer cutter tooth is equipped with and is used for
The outer cutter tooth of cutting engagement tooth socket cuts side edge and for cutting the outer cutter tooth molding engaged tooth socket and be molded engagement bottom land
Sword is pushed up, interior cutter tooth molding top sword and outer cutter tooth molding top sword are in centered on cutter axis in the outer conical surface of axis.
2. arc convex surface engaging tooth facing cutter according to claim 1, it is characterised in that：Outer cutter tooth molding top sword and interior knife
The semi-cone angle of outer conical surface is where the sword of tooth molding top：α=αc+αw+ Δ α, wherein αCIt is molded side edge pressure angle, α for interior cutter toothW
For workpiece pressure angle, Δ α is half cone angle correction.
3. arc convex surface engaging tooth facing cutter according to claim 1 or 2, it is characterised in that：Interior cutter tooth molding side edge with
Outer cutter tooth truncated sides tooth shape at point width c be less than the sum of interior cutter tooth molding top sword length a and outer cutter tooth molding top sword length b with
Make the outer cutter tooth molding top sword and interior cutter tooth molding top sword that there is lap in circumferencial direction.
4. arc convex surface engaging tooth facing cutter according to claim 1 or 2, it is characterised in that：Cutter tooth is molded side in definition
Sword and outer cutter tooth truncated sides tooth shape at point width c, the corresponding engagement tooth socket outer end bottom width processed of facing cutter is d1, milling
The corresponding engagement tooth socket inner end bottom width processed of cutterhead is d2, arc convex surface engaging tooth fully teeth height is h, h, c, d1、d2, full
Foot：
5. arc convex surface engaging tooth facing cutter according to claim 1 or 2, it is characterised in that：Outer cutter tooth cuts side edge pressure
Power angle is less than interior cutter tooth and is molded side edge pressure angle.
6. circular arc concave surface engaging tooth facing cutter, including cutter head, it is characterised in that：Further include being arranged in cutter head upper edge cutter head
Outer cutter tooth circumferentially and interior cutter tooth, outer cutter tooth are equipped with for cutting concave surface engagement tooth socket and being molded concave surface engaging tooth groove sidewall
The outer cutter tooth in face is molded side edge and for cutting concave surface engagement tooth socket and being molded the outer cutter tooth molding top for engaging bottom land in concave surface
Sword, interior cutter tooth is equipped with engages the interior cutter tooth cutting side edge of tooth socket and for cutting concave surface engagement tooth socket and being molded for cutting concave surface
The interior cutter tooth molding top sword of bottom land is engaged in concave surface, and outer cutter tooth molding top sword and interior cutter tooth molding top sword are in cutter axis
Centered on axis internal conical surface in.
7. circular arc concave surface engaging tooth facing cutter according to claim 6, it is characterised in that：Outer cutter tooth molding top sword and interior knife
The semi-cone angle of internal conical surface is where the sword of tooth molding top：α=αc+αw+ Δ α, wherein αCIt is molded side edge pressure angle, α for outer cutter toothW
For workpiece pressure angle, Δ α is half cone angle correction.
8. the circular arc concave surface engaging tooth facing cutter described according to claim 6 or 7, it is characterised in that：Interior cutter tooth cutting side edge with
The point width c that outer cutter tooth molding side edge is formed be less than the sum of interior cutter tooth molding top sword length a and outer cutter tooth molding top sword length b with
Make the outer cutter tooth molding top sword and interior cutter tooth molding top sword that there is lap in circumferencial direction.
9. the circular arc concave surface engaging tooth facing cutter described according to claim 6 or 7, it is characterised in that：Cutter tooth truncated sides in definition
The point width c that sword is formed with outer cutter tooth molding side edge, the width of the corresponding concave surface engagement tooth socket outer end bottom processed of facing cutter
For d1, the width of the corresponding concave surface engagement tooth socket inner end bottom processed of facing cutter is d2, circular arc concave surface engaging tooth fully teeth height is h,
h、c、d1、d2, meet：
10. the circular arc concave surface engaging tooth facing cutter described according to claim 6 or 7, it is characterised in that：Interior cutter tooth cuts side edge pressure
Power angle is less than outer cutter tooth and is molded side edge pressure angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820463070.4U CN208004880U (en) | 2018-03-30 | 2018-03-30 | Process the facing cutter of clutch circular arc engaging tooth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820463070.4U CN208004880U (en) | 2018-03-30 | 2018-03-30 | Process the facing cutter of clutch circular arc engaging tooth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315119A (en) * | 2018-03-30 | 2019-10-11 | 洛阳华冠齿轮股份有限公司 | A kind of facing cutter for processing clutch circular arc engaging tooth |
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2018
- 2018-03-30 CN CN201820463070.4U patent/CN208004880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315119A (en) * | 2018-03-30 | 2019-10-11 | 洛阳华冠齿轮股份有限公司 | A kind of facing cutter for processing clutch circular arc engaging tooth |
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