CN107639246A - A kind of cutter bindiny mechanism and the cutter with the bindiny mechanism - Google Patents
A kind of cutter bindiny mechanism and the cutter with the bindiny mechanism Download PDFInfo
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- CN107639246A CN107639246A CN201711066415.9A CN201711066415A CN107639246A CN 107639246 A CN107639246 A CN 107639246A CN 201711066415 A CN201711066415 A CN 201711066415A CN 107639246 A CN107639246 A CN 107639246A
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- lock part
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 43
- 238000009499 grossing Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 description 12
- 238000003754 machining Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
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Abstract
This application discloses a kind of bindiny mechanism for cutter, the cutter includes cutter head, handle of a knife, the cutter head includes connecting portion and cutting portion, the handle of a knife includes branch sleeve, the bindiny mechanism includes the stairstepping connecting portion set on the cutter head, the branch sleeve set on the handle of a knife and the locking member for being fixedly connected with cutter head and handle of a knife, when installing cutter head with handle of a knife, only need the connecting portion being installed in the branch sleeve, then cutter head and handle of a knife are locked with locking member.When dismantling cutter head, locking member is screwed out, you can take out cutter head from handle of a knife.The bindiny mechanism provided using the application, the operation for changing cutter head is greatly simplified, realize that handle of a knife changes cutter head online on lathe, avoid needing the trouble for dismantling handle of a knife from lathe when changing cutter head.
Description
Technical field
The application is related to tooling cost field, and in particular to a kind of cutter bindiny mechanism and the knife with the mechanism
Tool.
Background technology
Cutter for cutting includes cutter head and handle of a knife, wherein, cutter head includes cutting portion and connecting portion, and cutter head passes through connection
Portion is fixedly installed on handle of a knife, then handle of a knife is fixedly installed on lathe, rotation and mobile drive by manipulator on lathe
Cutter head rotates and movement, so as to carry out machining to workpiece to be processed.
Cutter head mounting hole and handle of a knife mounting hole are generally opened up respectively in axial direction in cutter head and handle of a knife center, by pacifying in cutter head
Set double threaded screw that cutter head is fixedly installed on handle of a knife in dress hole and handle of a knife mounting hole, therefore, when loading and unloading cutter head, it is necessary to handle
Screwdriver stretches into the connection end of cutter head and handle of a knife from one end that handle of a knife is connected with lathe, and manipulation screws or unscrewed dowel screw,
Realize the handling of cutter head.Need to need to disassemble handle of a knife from lathe when changing cutter head, then change cutter head, bit replacing is complete
Bi Houzai is installed on handle of a knife on lathe.Therefore, when changing cutter head, the not only handling inconvenience between cutter head and handle of a knife, moreover,
Also need to the handling between handle of a knife and lathe.
The content of the invention
The application provides a kind of cutter bindiny mechanism and the cutter with the bindiny mechanism.Knife with the bindiny mechanism
Head can be loaded and unloaded with handle of a knife in the state of handle of a knife is fixedly installed on lathe, under handle of a knife is dismantled from lathe
Come, i.e. realize the convenient installation of cutter head, it is inconvenient to load and unload to solve the problems, such as cutting tool when changing cutter head.
The application provides the following aspects：
In a first aspect, the application provides a kind of bindiny mechanism, the bindiny mechanism is used for cutter, and the cutter includes cutter head
1st, handle of a knife 2, the cutter head 1 include connecting portion 11 and cutting portion 12, and the handle of a knife 2 includes branch sleeve 21, the bindiny mechanism
Including the stairstepping connecting portion 11 set on the cutter head 1, the branch sleeve 21 that is set on the handle of a knife 2 with for being fixedly connected
The locking member 3 of cutter head 1 and handle of a knife 2,
The connecting portion 11 include truncated cone-shaped tight lock part 111 and be arranged on the end face of tight lock part 111 and with it is described
The coaxial transfer key 112 of truncated cone-shaped tight lock part 111；
On the outer wall of the tight lock part 111 locking slot 1111 is offered along the circumference of the tight lock part 111；
Along axially being offered and the branch sleeve from the branch sleeve end face 211 to its inside for the branch sleeve
Coaxial stairstepping counterbore, the stairstepping counterbore include locking hole 2111 and transfer hole 2112；
The locking member mounting hole corresponding with the locking slot 1111 is offered on the barrel of the branch sleeve 21
212。
In a kind of achievable mode, the taper of the tight lock part 111 is 1:3~7；And/or
The basal diameter R2 of the tight lock part 111 is the 2/5~4/5 of the basal diameter R1 of cutting portion 12.
In a kind of achievable mode, the locking slot 1111 is the annular opened up along the circumference of the tight lock part 111
Groove.
In a kind of achievable mode, the annular groove includes locking slot empty avoiding face 1112, locking slot locking face 1114
With locking slot bottom 1115, wherein,
Close to cutting portion 12, its bus is straight line in the locking slot empty avoiding face 1112,
For the locking slot locking face 1114 close to tight lock part top, its bus is straight line,
The locking slot empty avoiding face 1112 in smoothing junction of locking slot bottom 1115 and the locking slot locking face 1114, its bus
For camber line.
In a kind of achievable mode, locking slot locating surface 1116 is perpendicular to axle M and divides locking slot bottom 1115 equally；With/
Or
The bus in locking slot empty avoiding face 1112 forms the first half-angle α, locking slot locking face with locking slot locating surface 1116
1114 bus forms the second half angle β with locking slot locating surface 1116, and the first half-angle α is 15 °~60 °, and described the second half
Angle beta is 15 °~60 °.
In a kind of achievable mode, institute that the distance between the locking slot bottom 1115 and the bottom surface of cutting portion 12 L3 are
State the 4/10~7/10 of tight lock part height L1.
In a kind of achievable mode, the locking slot 1111 is circular cone counterbore.
In a kind of achievable mode, the locking slot 1111 includes the bottom land 1118 of groove face 1117 and second；And/or
Second bottom land 1118 is plane or arc surface.
In a kind of achievable mode, the coning angle of the locking slot 1111 is 30 °~120 °；And/or
The axle P of the locking slot 1111 and axle M of tight lock part angle is γ, and the angle γ is 60 °~100 °；
And/or
The distance between second bottom land 1118 and tight lock part bottom surface L5 are the 4/10~7/ of the tight lock part height L1
10。
When the bindiny mechanism's installation cutter head provided using the application is with handle of a knife, it is only necessary to be positioned over the connecting portion described
In branch sleeve, then with locking member by locking member mounting hole screw in locking slot in, by adjusting locking member in locking slot
Screw-in depth adjusts the tightness between cutter head and handle of a knife.In machining, cutter head transmits moment of torsion by transfer key.
When dismantling cutter head, locking member is screwed out, you can take out cutter head from handle of a knife.The bindiny mechanism provided using the application, greatly
Simplify change cutter head operation, realize handle of a knife on lathe online change cutter head, avoid change cutter head when need by handle of a knife from
The trouble dismantled on lathe.
Second aspect, the application provide a kind of cutter for being provided with cutter bindiny mechanism as described in relation to the first aspect.
Brief description of the drawings
Fig. 1 a are a kind of cross-section structure explosive view for cutter that the present embodiment provides；
Fig. 1 b are the installation diagram for the cutter that turning insert provides with this implementation；
Fig. 2 is a kind of structural representation for cage cutter head that the present embodiment provides；
Fig. 3 is the configuration diagram for another cage cutter head that the present embodiment provides；
Fig. 4 is the structural representation for another cutter head that the present embodiment provides；
Fig. 5 is the structural representation for another cutter head that the present embodiment provides；
Fig. 6 is the structural representation for another cutter head that the present embodiment provides；
Fig. 7 is another cutter head structure schematic diagram that the present embodiment provides；
Fig. 8 is the structural representation for another cutter head that the present embodiment provides；
Fig. 9 is the structural representation for another cutter head that the present embodiment provides；
Figure 10 is the structural representation for another cutter head that the present embodiment provides；
Figure 11 is the dimensional structure diagram for the cage cutter head that this implementation provides；
Figure 12 is the side view for the handle of a knife that this example provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
The present embodiment provides a kind of cutter bindiny mechanism, illustrates below by taking cage cutter as an example provided in an embodiment of the present invention
Cutter bindiny mechanism.
Fig. 1 a are referred to, Fig. 1 a are a kind of cross-section structure explosive view for cutter that the present embodiment provides.A kind of possible
In implementation, as shown in Figure 1a, the cutter includes cutter head 1, handle of a knife 2 and the locking for cutter head 1 to be fixed on handle of a knife 2
Part 3.The cutter head 1 includes the cutting portion 12 and stairstepping connecting portion 11 sequentially coaxially set.The handle of a knife 2 includes branch sleeve
21。
Fig. 1 b are referred to, Fig. 1 b are the installation diagram for the cutter that turning insert provides with this implementation, and cutter head is being installed on into institute
After stating handle of a knife, the concentricity of the cutter head 1 and the handle of a knife 2 is less than or equal to 0.03mm.
In a kind of specific embodiment, Fig. 2 is referred to, Fig. 2 is a kind of knot for cage cutter head that the present embodiment provides
Structure schematic diagram.As shown in Fig. 2 the connecting portion 11 includes truncated cone-shaped tight lock part 111 and is arranged on the end face of tight lock part 111
Transfer key 112.The tight lock part 111 and the transfer key 112 are coaxial.The cutting portion 12 is fixed with the connecting portion 11 to be connected
Connect, the bottom surface of cutting portion 12 is connected with the bottom surface of connecting portion 11.Width is formed on the bottom surface of the cutting portion 12 to cut
Cut the circular orientation face 121 of portion bottom surface and tight lock part bottom surface semidiameter 1/2 (R1-R2).The edge on the outer wall of the tight lock part 111
The circumference of the tight lock part 111 offers locking slot 1111.
Because when carrying out machining, cutting portion 12 can surround its axle M and rotate at a high speed to cut workpiece to be processed surface,
Therefore, the pressure between cutting portion 12 and workpiece to be processed surface is very big, and this direction to pressure is perpendicular to axial M；Moreover,
Cutting portion 12 can also adjust Working position by M reciprocal telescopics vertically, therefore, active force between connecting portion 11 and handle of a knife 2
Very big, this is oriented parallel to axial M to active force.Specifically, when tool feeding, it is between connecting portion 11 and handle of a knife 2
The relative pressure in direction；It is the opposite pulling force in direction between connecting portion 11 and handle of a knife 2 when cutter retracts.Therefore, cutter head 1 with
The stability and fastness connected between handle of a knife 2 is most important for ensureing high-precision machining.And cutter head 1 and handle of a knife 2 it
Between the taper of the stability that connects and fastness and tight lock part and highly closely related.
In a kind of possible implementation, the taper of the tight lock part 111 is 1:3~7, such as 1:5.It is described so as to both make
The external diameter change of tight lock part 111 is gentle, the tight lock part 111 can be made to have enough height, and can is enough installing cutter head 1
After handle of a knife 2, the inwall of the outer wall and branch sleeve 21 of connecting portion 11 is brought into close contact, without forming gap.So as to ensure that knife
The stability and fastness connected between first 1 and handle of a knife 2.
Alternatively, the height L1 of the tight lock part 111 is 0.5~1.2 times of the tight lock part basal diameter R2, such as 0.8
Times.Understand that the height of connecting portion 11 is bigger by Fig. 1 a, the pressure that it is carried is just smaller, is advantageous to extend cutting-tool's used life.
Meanwhile in the case where ensureing that connecting portion 11 has foregoing taper, also to cause the transfer key being arranged on the end face of connecting portion 11
112 have enough active areas, and therefore, it is the tight lock part basal diameter R2 that the application, which selects the height L1 of tight lock part 111,
0.5~1.2 times, such as 0.8 times.
It should be noted that in this application, " height " refers to the axial M along part, from its top surface to its bottom surface
The distance between.
Alternatively, the basal diameter R2 of the tight lock part 111 is the 2/5~4/5 of the basal diameter R1 of cutting portion 12, is preferably
3/5.In machining, when cutting tool is fed, the relative pressure in direction, this pressure are produced between cutter head 1 and handle of a knife 2
Act on the circular orientation face 121 of cutting portion 12 and the end face 211 of branch sleeve 21.Therefore, the bottom surface of the tight lock part 111
Less than 4/5 pressure that can be subject to the circular orientation face 121 that diameter R2 is the basal diameter R1 of cutting portion 12 is sufficiently small,
So as to ensure that the end face 211 in the circular orientation face 121 and branch sleeve will not be by conquassation.
Further, in machining, to make there is enough bonding strengths between tight lock part 111 and cutting portion 12,
And in the case where ensureing that tight lock part 111 has foregoing taper, transfer key 112 has enough active areas, the application choosing
The basal diameter R2 for selecting the tight lock part 111 is more than the 2/5 of the basal diameter R1 of cutting portion 12.
Alternatively, as shown in Fig. 2 the locking slot 1111 is the annular groove opened up along the circumference of the tight lock part 111.Institute
Stating annular groove includes locking slot empty avoiding face 1112, locking slot locking face 1114 and locking slot bottom 1115.Wherein, the locking slot is kept away
Close to cutting portion 12, its bus is straight line in empty face 1112.For the locking slot locking face 1114 close to the top of tight lock part 111, it is female
Line is straight line.The locking slot empty avoiding face 1112 in smoothing junction of locking slot bottom 1115 and the locking slot locking face 1114, it is female
Line is camber line.So as to reduce the stress at locking slot bottom 1115, the potential wind that tight lock part 111 is broken at locking slot 1111 is reduced
Danger.
Alternatively, locking slot locating surface 1116 perpendicular to axle M and divides locking slot bottom 1115 equally.Locking slot empty avoiding face 1112
Bus forms the first half-angle α, bus and the locking slot locating surface 1116 of locking slot locking face 1114 with locking slot locating surface 1116
Form the second half angle β.First half-angle α and the second half angle β can with it is equal can also be unequal.Alternatively, the first half-angle α is
15 °~60 °, second half angle β is 15 °~60 °.So that after the locking member is installed on the locking slot 1111, Neng Gouwei
Cutter head 1 and handle of a knife 2 provide the coupling mechanism force of abundance, increase locking degree, and then improve the stability of the cutter head 1 in machining.
As shown in Fig. 2 the first half-angle α is equal with the second half angle β, so as to simplify the process operation of the locking slot 1111.
Fig. 3 is the configuration diagram for another cage cutter head that the present embodiment provides, as shown in figure 3, the first half-angle α is more than institute
State the second half angle β.For example, the number of degrees that the first half-angle α is more than the second half angle β are 3 °~10 °.So as to be installed in locking member 3
After the locking slot 1111, in the case of insert depth identical, locking member 3 to the cutter head 1 vertically M component more
Greatly, so as to which locking member 3 is locked more firm to cutter head 1, cutter head 1 and handle of a knife 2 in cutting process are further increased
Connection reliability.
Diameter R4 of the tight lock part at the bottom land of locking slot 1111 is the tight lock part basal diameter of tight lock part 111
The 4/10~7/10 of R2, such as 6/10.Locking member 3 is stably installed in the locking slot 1111.Also, such as Fig. 1 b
It is shown, after cutter head is installed on the handle of a knife, eccentric throw H, institute between the axis of locking member 3 and the axis of locking slot 1111 be present
It is 0.05mm~0.5mm to state eccentric throw H scopes, such as 0.2 so that the locking slot empty avoiding face 1112 is formed with the locking member 3
Gap, locking member 3 to locking slot locking face 1114 apply axial force so that cutter head 1 in the presence of locking member 3 vertically
M is moved, and is fixedly installed in inside the branch sleeve 21, and then make the outer wall of tight lock part 111 and inwall, the ring of branch sleeve 21
Shape locating surface 121 can be brought into close contact simultaneously with sleeve end face 211, ensure higher bond strength.
The distance between the locking slot bottom 1115 and the bottom surface of cutting portion 12 L3 be the tight lock part height L1 4/10~
7/10, such as 5/10.
With reference to Fig. 4~Figure 10, the tight lock part 111 that the present embodiment provides can also be applied on other cutter tips.Specifically
Ground：
Fig. 4 is referred to, Fig. 4 is the structural representation for another cutter head that the present embodiment provides.With reference to Fig. 4, the cutter head 1
Connected for the welded type milling head for millings such as end face, square shoulder, grooves, including the cutting portion 12 coaxially set gradually with stairstepping
Portion 11.The cutting portion 12 is used for the millings such as end face, square shoulder, groove, the connecting portion 11 and cutter head shown in Fig. 2 or Fig. 3
Connecting portion 11 is identical, will not be repeated here.
Fig. 5 is referred to, Fig. 5 is the structural representation for another cutter head that the present embodiment provides.With reference to Fig. 5, the cutter head 1
For the shaping cutter head for processing such as spot-facing, bore hole, fraisings, including the cutting portion 12 and stairstepping connecting portion coaxially set gradually
11.The cutting portion 12 is used for the processing such as spot-facing, bore hole, fraising, the connecting portion 11 and cutter head shown in Fig. 2 or Fig. 3
Connecting portion 11 is identical, will not be repeated here.
Fig. 6 is referred to, Fig. 6 is the structural representation for another cutter head that the present embodiment provides.With reference to Fig. 6, the cutter head 1
Connected for the monoblock type milling head for millings such as end face, square shoulder, grooves, including the cutting portion 12 coaxially set gradually with stairstepping
Portion 11.The cutting portion 12 is used for the millings such as end face, square shoulder, groove, the connecting portion 11 and cutter head shown in Fig. 2 or Fig. 3
Connecting portion 11 is identical, will not be repeated here.
In another embodiment, Fig. 7 is referred to, Fig. 7 is another cutter head structure schematic diagram that the present embodiment provides.
As shown in fig. 7, the locking slot 1111 is circular cone counterbore.Alternatively, multiple lockings are offered on the outer wall of the tight lock part
Groove 1111.
Further, the multiple locking slot 1111 is uniformly arranged along the circumferential N of tight lock part 111.
The locking slot 1111 includes the bottom land 1118 of groove face 1117 and second.Second bottom land 1118 is plane or circle
Cambered surface, reduce the stress suffered by the second bottom land 1118 in machining, extend the service life of the cutter head.
Alternatively, when second bottom land 1118 is circular arc so that the second bottom land 1118 seamlessly transits, and reduces the second bottom land
1118 stress.
The coning angle of the locking slot 1111 is 30 °~120 °, such as 90 °.So that the locking member is installed on the locking
It can be the coupling mechanism force that cutter head 1 and handle of a knife 2 provide abundance after groove 1111, increase locking degree, and then improve in machining
The stability of cutter head 1.
Alternatively, the axle P of the locking slot 1111 and the axle M of the tight lock part angle are γ, and the angle γ is 75 °
~105 °, such as 90 °.So as to after locking member 3 is installed on the locking slot 1111, in the case of insert depth identical, lock
Part 3 is bigger to the cutter head 1 M vertically component, so as to which locking member 3 is locked more firm to cutter head 1, further increases
Cutter head 1 and the connection reliability of handle of a knife 2 in cutting process.
Alternatively, the distance between second bottom land 1118 and the bottom surface of cutting portion 12 L5 are the tight lock part height L1
4/10~7/10, such as 5/10.It is identical with L3, it can also be applied to other bites with reference to the tight lock part 111 that Fig. 7 embodiments provide
On head.Specifically：
Fig. 8 is referred to, Fig. 8 is the structural representation for another cutter head that the present embodiment provides.With reference to Fig. 8, the cutter head 1
Connected for the welded type milling head for millings such as end face, square shoulder, grooves, including the cutting portion 12 coaxially set gradually with stairstepping
Portion 11.The cutting portion 12 is used for the millings such as end face, square shoulder, groove, the connecting portion 11 of the connecting portion 11 and cutter head shown in Fig. 7
It is identical, it will not be repeated here.
Fig. 9 is referred to, Fig. 9 is the structural representation for another cutter head that the present embodiment provides.With reference to Fig. 9, the cutter head 1
For the shaping cutter head for processing such as spot-facing, bore hole, fraisings, including the cutting portion 12 and stairstepping connecting portion coaxially set gradually
11.The cutting portion 12 is used for the processing such as spot-facing, bore hole, fraising, the connecting portion 11 of the connecting portion 11 and cutter head shown in Fig. 7
It is identical, it will not be repeated here.
Figure 10 is referred to, Figure 10 is the structural representation for another cutter head that the present embodiment provides.With reference to Figure 10, the knife
First 1 is for the milling monoblock type milling head such as end face, square shoulder, groove, including the cutting portion 12 and stairstepping that coaxially set gradually connect
Socket part 11.The cutting portion 12 is used for the millings such as end face, square shoulder, groove, the connecting portion of the connecting portion 11 and cutter head shown in Fig. 7
11 is identical, will not be repeated here.
The inventors discovered that if the locking slot 1111 is annular groove, when installing cutter head 1, cutter head can positive negative side
To being installed in the branch sleeve 21, if the locking slot 1111 is circular cone counterbore, when installing cutter head, cutter head 1 be with
Predeterminated position is installed in the branch sleeve 21, because in machining, circular cone counterbore is along in tight lock part circumference
It can be that locking member 3 provides holding power, can be that cutter head 1 and branch sleeve 21 provide using circular cone counterbore as locking slot therefore
More sufficient reliability.
Figure 11 is refer to, Figure 11 is the dimensional structure diagram for the cage cutter head that this implementation provides.As shown in figure 11, in institute
State and be also coaxially arranged with transfer key 112 on the end face of tight lock part 111.The cross section of the transfer key 112 is kidney-shaped.The transfer key
112 length L9 is the 4/10~7/10 of tight lock part basal diameter R2, such as 5/10.
Alternatively, the width L10 of the transfer key 112 is the 7/10~9/10 of the length L9 of transfer key 112, such as 8/
10。
Alternatively, Fig. 2 is refer to, the height L6 of the transfer key 112 is the 1/5~1/ of the height L1 of tight lock part 111
3, such as 1/4.It is installed on so that tight lock part 111 is firm in transfer hole 2112.
The side view for the handle of a knife that Fig. 1 a and Figure 12, Figure 12 provide for this example is refer to, the cutter also includes handle of a knife 2,
There is branch sleeve 21 in the handle of a knife 2.Along axially being opened from the branch sleeve end face 211 to its inside for the branch sleeve
Provided with the stairstepping counterbore coaxial with the branch sleeve, the stairstepping counterbore includes locking hole 2111 and transfer hole 2112.
The diameter R5 of the branch sleeve 21 is 0.9~1 times of the cutting portion basal diameter R1, such as 1 times, i.e. R5=
R1。
The locking hole 2111 is truncated cone-shaped hole, and its taper is equal with the taper of the tight lock part 111, the locking hole
2111 depth L7 is more than the height L1 of the tight lock part, and the locking hole 2111 is straight on the branch sleeve end face 211
Footpath R6 is equal with the tight lock part basal diameter R2.Tight lock part 111 is brought into close contact inside the locking hole 2111.
The handle of a knife 2 is cylindrical straight tube, the diameter R5 phases of diameter R7 and the branch sleeve 21 on the branch sleeve end face 211
Deng.
The transfer hole 2112 is class square opening, and the depth L8 of the transfer hole 2112 is more than or equal to transfer key height
L6, it is described that the transfer key 112 is coordinated after being installed with the transfer hole 2112 in axial gap.Transfer hole 2112
The difference L11-L10 scopes of the width of width and adaptor 112 are 0.02~0.1mm, length and the adaptor 112 of transfer hole 2112
The difference L12-L9 scopes of length be 0.02~0.1mm, it is described that the transfer key 112 is pacified with the transfer hole 2112
In radial clearance fit after dress, increase radial rotary torsion.
The locking member mounting hole corresponding with the locking slot 1111 is offered on the barrel of the branch sleeve 21
212, for installation locking part.
In this application, the locking member 3 is screw or other parts with identical function.
The application also provides a kind of cutter using above-mentioned bindiny mechanism, and the cutter includes cutter head and handle of a knife, wherein, knife
Head includes foregoing connecting portion, and the handle of a knife includes foregoing branch sleeve.The cutter that the present embodiment provides can be
Handle of a knife dismounts cutter head in the state of being installed on lathe, is conveniently replaceable cutter head, and the precision installed is high.
The application is described in detail above in association with embodiment and exemplary example, but these explanations are simultaneously
It is not intended that the limitation to the application.It will be appreciated by those skilled in the art that in the case of without departing from the application spirit and scope,
A variety of equivalencing, modification or improvement can be carried out to technical scheme and embodiments thereof, these each fall within the application
In the range of.The protection domain of the application is determined by the appended claims.
Claims (10)
1. a kind of bindiny mechanism, it is characterised in that the bindiny mechanism is used for cutter, and the cutter includes cutter head (1), handle of a knife
(2), the cutter head (1) includes connecting portion (11) and cutting portion (12), and the handle of a knife (2) includes branch sleeve (21), the company
Connection mechanism includes the stairstepping connecting portion (11) set on the cutter head (1), the branch sleeve (21) set on the handle of a knife (2)
With the locking member (3) for being fixedly connected with cutter head (1) and handle of a knife (2),
The connecting portion (11) include truncated cone-shaped tight lock part (111) and be arranged on the tight lock part (111) end face and with institute
State the coaxial transfer key (112) of truncated cone-shaped tight lock part (111)；
On the outer wall of the tight lock part (111) locking slot (1111) is offered along the circumference of the tight lock part (111)；
It is same with the branch sleeve along axially being offered from the branch sleeve end face (211) to its inside for the branch sleeve
The stairstepping counterbore of axle, the stairstepping counterbore include locking hole (2111) and transfer hole (2112)；
The locking member mounting hole corresponding with the locking slot (1111) is offered on the barrel of the branch sleeve (21)
(212)。
2. bindiny mechanism according to claim 1, it is characterised in that the taper of the tight lock part (111) is 1:(3~7)；
And/or
The basal diameter R2 of the tight lock part (111) is the 2/5~4/5 of cutting portion (12) basal diameter R1.
3. bindiny mechanism according to claim 1 or 2, it is characterised in that the locking slot (1111) is along the locking
The annular groove that the circumference in portion (111) opens up.
4. according to the bindiny mechanism described in claim any one of 1-3, it is characterised in that the annular groove includes locking slot empty avoiding
Face (1112), locking slot locking face (1114) and locking slot bottom (1115), wherein,
The close cutting portion (12) of the locking slot empty avoiding face (1112), its bus is straight line,
The close tight lock part top of the locking slot locking face (1114), its bus is straight line,
Locking slot bottom (1115) the locking slot empty avoiding face (1112) in smoothing junction and the locking slot locking face (1114), it is female
Line is camber line.
5. bindiny mechanism according to claim 4, it is characterised in that locking slot locating surface (1116) is perpendicular to axle M and puts down
Divide locking slot bottom (1115)；And/or
The bus in locking slot empty avoiding face (1112) forms the first half-angle α, locking slot locking face with locking slot locating surface (1116)
(1114) bus forms the second half angle β with locking slot locating surface (1116), and the first half-angle α is 15 °~60 °, and described the
Two half angle βs are 15 °~60 °.
6. bindiny mechanism according to claim 5, it is characterised in that the locking slot bottom (1115) and cutting portion (12) bottom
The 4/10~7/10 of the tight lock part height L1 that the distance between face L3 is.
7. bindiny mechanism according to claim 1 or 2, it is characterised in that the locking slot (1111) is circular cone counterbore.
8. bindiny mechanism according to claim 7, it is characterised in that the locking slot (1111) include groove face (1117) and
Second bottom land (1118)；And/or
Second bottom land (1118) is plane or arc surface.
9. the bindiny mechanism according to claim 7 or 8, it is characterised in that the coning angle of the locking slot (1111) is 30 °
~120 °；And/or
The axle P of the locking slot (1111) and the axle M of tight lock part angle is γ, and the angle γ is 60 °~100 °；
And/or
The distance between second bottom land (1118) and tight lock part bottom surface L5 are the 4/10~7/10 of the tight lock part height L1.
10. a kind of cutter, it is characterised in that the cutter includes the bindiny mechanism as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066415.9A CN107639246B (en) | 2017-11-02 | 2017-11-02 | Cutter coupling mechanism and have this coupling mechanism's cutter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109290993A (en) * | 2018-11-12 | 2019-02-01 | 广东奥能五金工具有限公司 | Integral electric screwdriver |
| CN109759610A (en) * | 2019-04-01 | 2019-05-17 | 松德刀具（长兴）科技有限公司 | A kind of Telescopic type reverse scraper |
| CN113770644A (en) * | 2021-10-08 | 2021-12-10 | 深圳市鑫金泉精密技术股份有限公司 | Tool bit and roll extrusion sword |
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| CN109290993A (en) * | 2018-11-12 | 2019-02-01 | 广东奥能五金工具有限公司 | Integral electric screwdriver |
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| CN113770644A (en) * | 2021-10-08 | 2021-12-10 | 深圳市鑫金泉精密技术股份有限公司 | Tool bit and roll extrusion sword |
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| CN107639246B (en) | 2024-03-15 |
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