CN208613851U - A kind of double-faced forming knife - Google Patents
A kind of double-faced forming knife Download PDFInfo
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- CN208613851U CN208613851U CN201820899447.0U CN201820899447U CN208613851U CN 208613851 U CN208613851 U CN 208613851U CN 201820899447 U CN201820899447 U CN 201820899447U CN 208613851 U CN208613851 U CN 208613851U
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- Prior art keywords
- cutter head
- double
- knife
- face
- faced forming
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Abstract
The utility model provides a kind of double-faced forming knife, comprising: knife handle, the first cutter head, the second cutter head, empty avoiding linkage section；The knife handle, the first cutter head, the second cutter head, empty avoiding linkage section are truncated cone-shaped；First cutter head and the second cutter head are fixedly connected by empty avoiding linkage section, and first cutter head is opened in described knife handle one end；First end sword is arranged in the end face of first cutter head, and the first peripheral edge is arranged in the periphery of first cutter head, and the first peripheral edge is arranged along first end sword periphery；Second end sword is arranged in the end face of second cutter head, and the second peripheral edge is arranged in the periphery of second cutter head, and the second peripheral edge is arranged along second end sword periphery.The double-faced forming knife of the utility model need to only rotate feed, two machined surfaces can be opened up simultaneously in the top and the bottom of workpiece, and since the first cutter head and the second cutter head distance are customization, the precision of two machined surface positional distances is substantially increased, while having the advantages that easy to operate.
Description
Technical field
The utility model relates to face molding cutter fields, and in particular to a kind of double-faced forming knife.
Background technique
Application No. is 201020662690.4 Chinese patents, disclose a kind of profile milling cutter, and cutter hub is in a circular table shape, one end
The outer rim of end surface is uniformly distributed there are four inclined-plane, and bite is separately fixed on the concave station on four inclined-planes, and bite blade is and cuts
The arc that the arc of turning work piece cutting matches；Profile milling cutter is connect with lathe.
When processing workpiece as shown in Figure 1, need to fix workpiece using jig, using application No. is
201020662690.4 profile milling cutter, the machine-shaping first above workpiece, then 180 ° of reversion jigs or profile milling cutter, then
The machine-shaping below workpiece；Its is complicated for operation, inefficiency；Especially in two machined surface position precisions of workpiece upper and lower
It is required that in the case where stringent, if reversion jig or profile milling cutter, can largely effect on the position precision of upper and lower machined surface, there is an urgent need to
It is improved.
Utility model content
To solve the above problems, the utility model provides a kind of double-faced forming knife.The double-faced forming knife of the utility model
Feed only need to be rotated, in the top and the bottom of workpiece while two machined surfaces can be opened up, and due to the first cutter head and the second cutter head away from
From to customize, the precision of two machined surface positional distances is substantially increased, while having the advantages that easy to operate.The utility model
Each angle and dimensional parameters are additionally provided, each peripheral edge can be preferably played and hold the maximum effect of sword, substantially increases and adds
Work efficiency rate, reduces processing cost.
To realize the technical purpose, the technical solution of the utility model is: a kind of double-faced forming knife, comprising: knife handle, the
One cutter head, the second cutter head, empty avoiding linkage section；
The knife handle, the first cutter head, the second cutter head, empty avoiding linkage section are truncated cone-shaped；First cutter head and the second cutter head
It is fixedly connected by empty avoiding linkage section, first cutter head is opened in described knife handle one end；
The end face setting first end sword of first cutter head, the first peripheral edge of periphery setting of first cutter head, first
Peripheral edge is arranged along first end sword periphery；Second end sword is arranged in the end face of second cutter head, and the periphery of second cutter head is set
The second peripheral edge is set, the second peripheral edge is arranged along second end sword periphery.
Further, the first end sword includes at least four first cutting portions, and the second end sword includes at least four the
Two cutting portions；Each first cutting portion, each second cutting portion are arranged around the axle center of the double-faced forming knife, and each first cuts
Cut portion, each coaxial core of second cutting portion.
Further, first cutting portion includes major first face and major first flank, and the inner edge of major first flank is to institute
It states the central spindle indent of double-faced forming knife, and is 4 ° with the central spindle angle δ of the double-faced forming knife, the lateral margin of major first flank is to institute
The inclination of the knife handle other end is stated, and is 0 °~8 ° with the perpendicular end surface angle ε of the double-faced forming knife, major first face and described double
The central spindle angle α of face forming cutter is 6 ° ± 1 °；
Second cutting portion includes the second rake face and the second flank, the second flank and the double-faced forming knife
Perpendicular end surface angle δ is 5 ° ± 1 °.
Further, first peripheral edge includes the first outer peripheral surface, the second outer peripheral surface, is done along the major first flank outer rim
Tangent line, the first outer peripheral surface and tangent line angle β are 8 ° ± 1 °, and the second outer peripheral surface and tangent line angle γ are 16 ° ± 1 °.
Second peripheral edge includes third outer peripheral surface, the 4th outer peripheral surface, and third outer peripheral surface, the 4th outer peripheral surface are around described double
The central spindle spiral angle θ of face forming cutter is 32 ° ± 1 °.
As the preferred of the utility model, it is based on above content, unlike, in second cutter head, adjacent institute
Setting knife spine face between the second peripheral edge is stated, knife spine face and second rake face form chip space.
Further, the shank length L1 is 41 ± 0.2mm, and the first cutter head length L2 isDescribed second
Cutter head does not include that the length L3 in the knife spine face isThe length L4 of the empty avoiding linkage section is 3.0 ± 0.05mm.
Further, the shank diameter D1 isThe first tool bit diameter D2 isDescribed
One 0.28 ± 0.02mm of outer peripheral surface across back, the first outer peripheral surface and the total 0.8 ± 0.03mm of across back of the second outer peripheral surface.
Further, the double-faced forming knife material uses tungsten-cobalt series hard alloy.
Further, the double-faced forming knife is reached by resin diamond grinding wheel grinding.
The utility model has the beneficial effects that:
The double-faced forming knife of the utility model need to only rotate feed, can open up simultaneously two processing in the top and the bottom of workpiece
Face, and since the first cutter head and the second cutter head distance are customization, the precision of two machined surface positional distances is substantially increased, simultaneously
Have the advantages that easy to operate.The utility model additionally provides each angle and dimensional parameters, can preferably play each peripheral edge
With the maximum effect of end sword, processing efficiency is substantially increased, processing cost is reduced.
Detailed description of the invention
Fig. 1 is processing method schematic diagram in the prior art；
Fig. 2 is the overall structure diagram of the double-faced forming knife of the utility model；
Fig. 3 is the part A enlarged structure schematic diagram in Fig. 2 of the utility model；
Fig. 4 is the schematic diagram of the section structure of the first end sword of the utility model；
Fig. 5 is the schematic diagram of the section structure of the second end sword of the utility model；
Fig. 6 is the end structure illustration of the first cutter head of the utility model；
Fig. 7 is the side view of the utility model double-faced forming knife；
Fig. 8 is the usage mode schematic diagram of the utility model double-faced forming knife.
Specific embodiment
The technical solution of the utility model will be clearly and completely described below.
It should be noted that the structure and positional relationship of the utility model are described for convenience, described in the utility model
"upper", "lower", "left", "right", " one end ", " other end ", " periphery ", the positional terms such as " end face " be in Fig. 3
Described " rake face " for overall structure diagram, " flank " is the rotation feed direction relative to this double-faced forming knife
For, the restriction to the utility model can not be interpreted as.
As shown in Fig. 2, a kind of double-faced forming knife, comprising: knife handle 1, the first cutter head, the second cutter head, empty avoiding linkage section 2；
The knife handle 1, the first cutter head, the second cutter head, empty avoiding linkage section 2 are truncated cone-shaped；First cutter head and the second knife
Head is fixedly connected by empty avoiding linkage section, and first cutter head is opened in described knife handle one end；That is the utility model
Double-faced forming knife is generally round table-like, offers the first cutter head in knife handle one end, the first cutter head is connected by one section of empty avoiding linkage section 2
Connect the second cutter head.As shown in figure 8, the double-faced forming knife of the utility model need to only rotate feed, it can be same in the top and the bottom of workpiece
Two machined surfaces of Shi Kaishe, and since the first cutter head and the second cutter head distance are customization, substantially increase two machined surface positions
The precision of distance.
The end face setting first end sword of first cutter head, the first peripheral edge of periphery setting of first cutter head, first
Peripheral edge is arranged along first end sword periphery；Second end sword is arranged in the end face of second cutter head, and the periphery of second cutter head is set
The second peripheral edge is set, the second peripheral edge is arranged along second end sword periphery.Its middle-end sword provides the cutting force of machined surface lower part, when
So under some machined surfaces in the workpiece of no requirement (NR), without opening up end sword, first end sword and second end sword can be planar structure.
Further, the first end sword includes at least four first cutting portions, and the second end sword includes at least four the
Two cutting portions；Each first cutting portion, each second cutting portion are arranged around the axle center of the double-faced forming knife, and each first cuts
Cut portion, each coaxial core of second cutting portion.As shown in Figures 2 and 3, in first cutter head and the second cutter head of the utility model,
Respectively correspond four the first cutting portions and the second cutting portion being provided in fan blade shape.
Further, first cutting portion includes major first face 4 and major first flank 3 as shown in Figure 3 and Figure 4, and first
12 indent of central spindle from the inner edge of flank to the double-faced forming knife, and with 12 angle δ of the central spindle of the double-faced forming knife be 4 °,
The lateral margin of major first flank is tilted to the knife handle other end, and with the perpendicular end surface angle ε of the double-faced forming knife be 0 °~
8 °, the central spindle angle α of major first face and the double-faced forming knife is 6 ° ± 1 °；As shown in figure 3, major first face 4 and first
Flank 3 constitutes the main cutting edge on the first cutter head end face.
Second cutting portion includes the second rake face 7 and the second flank 8, as shown in figure 5, the second flank and described
The perpendicular end surface angle δ of double-faced forming knife is 5 ° ± 1 °.As shown in figure 3, the second rake face 7 and the second flank 8 constitute
Main cutting edge on two cutter head end faces.
Further, as shown in fig. 6, first peripheral edge includes the first outer peripheral surface 5, the second outer peripheral surface 6, along described first
Flank outer rim does tangent line, and the first outer peripheral surface and tangent line angle β are 8 ° ± 1 °, and the second outer peripheral surface and tangent line angle γ be 16 ° ±
1°.As shown in figure 3, the first outer peripheral surface 5 and 4 lateral margin of major first face constitute the main cutting in the first cutter head circumferential direction
Sword.
Second peripheral edge includes third outer peripheral surface 9, the 4th outer peripheral surface 10, third outer peripheral surface 9, the 4th outer peripheral surface 10 around
The central spindle spiral angle θ of the double-faced forming knife is 32 ° ± 1 °.As shown in Fig. 3, third outer peripheral surface 9 and second rake face
7 lateral margin constitutes the main cutting edge in the second cutter head circumferential direction.
As the preferred of the utility model, it is based on above content, unlike, in second cutter head, adjacent institute
Setting knife spine face 11 between the second peripheral edge is stated, knife spine face and second rake face 7 form chip space.It is practical new using this
The knife spine face 11 of type is designed, and in the feed of double-faced forming knife high speed rotation, conducive to the quick discharge of scrap, does not influence double-faced forming
The high speed rotation of knife is fed.
Further, as shown in fig. 7, the shank length L1 is 41 ± 0.2mm, the first cutter head length L2 isSecond cutter head does not include that the length L3 in the knife spine face isThe length L4 of the empty avoiding linkage section
For 3.0 ± 0.05mm.Wherein, empty avoiding connection segment length L4 can be adjusted according to the process requirements of workpiece upper and lower surfaces, herein
It does not repeat them here.
Further, the shank diameter D1 isThe first tool bit diameter D2 isDescribed
One 0.28 ± 0.02mm of outer peripheral surface across back, the first outer peripheral surface and the total 0.8 ± 0.03mm of across back of the second outer peripheral surface.It is practical using this
Novel angle and size setting can play each peripheral edge and hold the maximum effect of sword, and have high-efficient, cutting forming face
The good advantage of effect.
Further, the double-faced forming knife material uses tungsten-cobalt series hard alloy.
Further, the double-faced forming knife is reached by resin diamond grinding wheel grinding.
For those of ordinary skill in the art, without departing from the concept of the present invention, may be used also
To make several modifications and improvements, these are all within the protection scope of the present invention.
Claims (9)
1. a kind of double-faced forming knife characterized by comprising knife handle, the first cutter head, the second cutter head, empty avoiding linkage section；
The knife handle, the first cutter head, the second cutter head, empty avoiding linkage section are truncated cone-shaped；First cutter head and the second cutter head pass through
Empty avoiding linkage section is fixedly connected, and first cutter head is opened in described knife handle one end；
First end sword is arranged in the end face of first cutter head, and the first peripheral edge, the first periphery is arranged in the periphery of first cutter head
Sword is arranged along first end sword periphery；The end face of second cutter head is arranged second end sword, the periphery setting of second cutter head the
Two peripheral edges, the second peripheral edge are arranged along second end sword periphery.
2. double-faced forming knife according to claim 1, which is characterized in that the first end sword is cut including at least four first
Portion is cut, the second end sword includes at least four second cutting portions；Each first cutting portion, each second cutting portion are around described double
The axle center of face forming cutter is arranged, and each first cutting portion, each coaxial core of second cutting portion.
3. double-faced forming knife according to claim 2, which is characterized in that
First cutting portion includes major first face and major first flank, and the inner edge of major first flank is to the double-faced forming knife
Central spindle indent, and be 4 ° with the central spindle angle δ of the double-faced forming knife, the lateral margin of major first flank is to the knife handle other end
Inclination, and be 0 °~8 ° with the perpendicular end surface angle ε of the double-faced forming knife, the axis of major first face and the double-faced forming knife
Core angle α is 6 ° ± 1 °；
Second cutting portion includes the second rake face and the second flank, the second flank and the double-faced forming knife it is vertical
End face angle ζ is 5 ° ± 1 °.
4. double-faced forming knife according to claim 3, which is characterized in that
First peripheral edge includes the first outer peripheral surface, the second outer peripheral surface, tangent line is done along the major first flank outer rim, outside first
Circumferential surface and tangent line angle β are 8 ° ± 1 °, and the second outer peripheral surface and tangent line angle γ are 16 ° ± 1 °；
Second peripheral edge includes third outer peripheral surface, the 4th outer peripheral surface, third outer peripheral surface, the 4th outer peripheral surface around it is described it is two-sided at
The central spindle spiral angle θ of type knife is 32 ° ± 1 °.
5. double-faced forming knife according to claim 4, which is characterized in that
In second cutter head, knife spine face, knife before knife spine face and described second are set between adjacent second peripheral edge
Face forms chip space.
6. double-faced forming knife according to claim 5, which is characterized in that
The shank length L1 is 41 ± 0.2mm, and the first cutter head length L2 isSecond cutter head do not include
The length L3 in the knife spine face isThe length L4 of the empty avoiding linkage section is 3.0 ± 0.05mm.
7. double-faced forming knife according to claim 6, which is characterized in that the shank diameter D1 isIt is described
First tool bit diameter D2 isThe first outer peripheral surface across back, 0.28 ± 0.02mm, the first outer peripheral surface and the second periphery
Total 0.8 ± the 0.03mm of across back in face.
8. double-faced forming knife according to claim 1, which is characterized in that the double-faced forming knife material is hard using W-Co kind
Matter alloy.
9. double-faced forming knife according to claim 8, which is characterized in that the double-faced forming knife is by resin diamond grinding wheel
Grinding is reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899447.0U CN208613851U (en) | 2018-06-11 | 2018-06-11 | A kind of double-faced forming knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899447.0U CN208613851U (en) | 2018-06-11 | 2018-06-11 | A kind of double-faced forming knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208613851U true CN208613851U (en) | 2019-03-19 |
Family
ID=65702907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820899447.0U Expired - Fee Related CN208613851U (en) | 2018-06-11 | 2018-06-11 | A kind of double-faced forming knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208613851U (en) |
-
2018
- 2018-06-11 CN CN201820899447.0U patent/CN208613851U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20200611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |