CN209021306U - A kind of form cutter of triangle pointed tooth occlusion haemostatic clamp - Google Patents
A kind of form cutter of triangle pointed tooth occlusion haemostatic clamp Download PDFInfo
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- CN209021306U CN209021306U CN201821417729.9U CN201821417729U CN209021306U CN 209021306 U CN209021306 U CN 209021306U CN 201821417729 U CN201821417729 U CN 201821417729U CN 209021306 U CN209021306 U CN 209021306U
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Abstract
The utility model discloses a kind of form cutters of triangle pointed tooth occlusion haemostatic clamp, including cylindrical milling cutter body, a number of cutting tooth is along the circumferential direction distributed in the outer circle of the cylindrical milling cutter body, the cutting tooth is grouped into first group of cutting tooth and second group of cutting tooth, wherein first group of cutting tooth and second group of cutting tooth alternate distribution in a circumferential direction, the cutting tooth is projected as densely covered triangle pointed tooth on the shaft section of the end mill body, and the pitch of the triangle pointed tooth of first group of cutting tooth, the pitch of the triangle pointed tooth of second group of cutting tooth is twice of the triangle pointed tooth tooth pitch on haemostatic clamp, projection of each cutting tooth on the shaft section of the end mill body in first group of cutting tooth is projected in axial phase on the shaft section of the end mill body with each cutting tooth in second group of cutting tooth Mutually shift to install.The utility model improves the processing quality of haemostatic clamp, while improving the service life of haemostatic clamp form cutter.
Description
Technical field
The utility model relates to manufacture technology field of medical appliance, and in particular to a kind of triangle pointed tooth occlusion haemostatic clamp
Form cutter.
Background technique
Haemostatic clamp is accurate advanced surgical instrument.Than a kind of more typical haemostatic clamp, jaw occlusion portion is (such as Fig. 4 institute
Show) it is densely covered triangle pointed tooth occlusion structure.The binding clip of the haemostatic clamp include upper grip head and with the upper grip head pairing
Lower pliers head is provided with densely covered triangle pointed tooth, and single triangle point on the upper grip head of haemostatic clamp, the occlusion portion of lower pliers head
Tooth is the sharper acute angle tooth of tooth top, and close tooth when operation on upper grip head and lower pliers head is mutually twisted, and forms clamping action.
The close tooth occlusion portion of haemostatic clamp can be made of plane processing, punch process or Milling Machining.Using plane processing, punching
Its precision is poor when pressure processing and manufacturing, therefore the processing method is gradually abandoned.It is now mostly used form cutter and carries out Milling Machining,
The dimensional accuracy and surface quality of processing are relatively preferable.But exist in the prior art for processing the form cutter of above-mentioned haemostatic clamp
It there is problems when use:
First is that its tooth top is sharper due to the acute angle tooth of triangle pointed tooth, cause cutting edge production of the form cutter at this non-
Stress condition is bad when often difficult and cutting, is easy to cause cutting edge passivation to damage, influences part processing quality.
Second is that conventional form cutter is high-speed steel milling cutter, milling cutter processing due to the difficult processing stainless steel material of haemostatic clamp
Its abrasion is very fast after a period of time, thus reduces the service life of form cutter.
Third is that the rigidity of haemostatic clamp itself is relatively poor, and the length of close toothed portion is longer, so that cutting when form milling
Power is larger, is easy to cause part vibration when High-speed machining, the roughness of finished surface is thereby increased, so that the surface of product
Quality appearance declines by a relatively large margin.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp, purports
The processing quality of haemostatic clamp is being improved, while improving the service life of haemostatic clamp form cutter.Specific technical solution is as follows:
A kind of form cutter of triangle pointed tooth occlusion haemostatic clamp, including cylindrical milling cutter body, the cylindrical milling cutter body
Outer circle on a number of cutting tooth is along the circumferential direction distributed with, the cutting tooth is grouped into first group of cutting tooth and second group
Cutting tooth, wherein the quantity of first group of cutting tooth is equal with the quantity of second group of cutting tooth and alternates in a circumferential direction point
Cloth, the cutting tooth are projected as densely covered triangle pointed tooth on the shaft section of the end mill body, and first group of cutting tooth
The pitch of the triangle pointed tooth of the pitch of the triangle pointed tooth, second group of cutting tooth is the triangle point on haemostatic clamp
Twice of tooth tooth pitch, each cutting tooth in first group of cutting tooth are projected in axial phase on the shaft section of the end mill body
It is mutually aligned dislocation-free, each cutting tooth in second group of cutting tooth is projected in axial phase on the shaft section of the end mill body
It is mutually aligned dislocation-free, projection and second group of each cutting tooth in first group of cutting tooth on the shaft section of the end mill body
Each cutting tooth in cutting tooth is projected in axial mutual dislocation setting on the shaft section of the end mill body.
Wherein, the single triangle pointed tooth in the cutting tooth is acute angle tooth, and the acute angle tooth is 60 ° of acute angle teeth.
Wherein, the height of the triangle pointed tooth in the cutting tooth is greater than the height of the triangle pointed tooth on haemostatic clamp, from
And make more sharp at the top of the haemostatic clamp processed, the needs used are more able to satisfy, are also more favorable for being engaged.
In above-mentioned technical proposal, it is arranged by first group of cutting tooth and second group of cutting tooth in axial mutual dislocation, so that
The cutting tooth that cutting is participated in the same time reduces half, to considerably reduce cutting force, is conducive to improve cutting
Stationarity improves processing quality, while also improving the service life of haemostatic clamp form cutter.
In addition, above-mentioned first group of cutting tooth and the second cutting tooth shift to install, one side can be convenient close flute profile milling
The manufacture of knife improves the accuracy of manufacture of tooth form on close tooth type milling cutter, on the other hand can promote chip breaking and further improve chip removal
Condition, to improve processing quality, reduce abrasion of the chip to rack milling cutter, to improve the service life of close tooth type milling cutter.
Since the height of the triangle pointed tooth in cutting tooth is greater than the height of the triangle pointed tooth on haemostatic clamp, when cutting by
First group of cutting tooth and second group of cutting tooth process the both sides of acute angle tooth respectively, so as to the entire triangle point of completion of high quality
The processing of tooth.
The form cutter of the haemostatic clamp of the utility model, in first group of cutting tooth and second group of cutting tooth axial mutually wrong
Position setting after, the space width formed between the adjacent cutting tooth on same axial cross section increases one times, so as to so that
The manufacture for obtaining form cutter is more convenient.Moreover, the increase of space width is so that chip removal is more smoothly, radiating condition is more preferable, thus
It can be further improved processing quality, and improve the service life of milling cutter.
One of as a preferred embodiment of the present invention, the total quantity of the cutting tooth is 14~20 and its quantity is even
Number.
As a preferred embodiment of the present invention two, its cutter groove angle of cutter groove formed between two neighboring cutting tooth is 42
~47 °.
As a preferred embodiment of the present invention three, the cutter groove is spiral cutter groove.
It is furthermore preferred that the helical angle of the spiral cutter groove is 12~16 °.
It is above-mentioned to use spiral cutter groove structure, cutting force can be made more balanced, to further increase the stationarity of cutting.
As a preferred embodiment of the present invention four, the cutting tooth is perpendicular to the transversal of the form cutter axis
The anterior angle of its cutting edge is 4~6 ° on face, the cutting tooth its cutting on the cross section perpendicular to the form cutter axis
The relief angle of sword is 9~12 °.
As a preferred embodiment of the present invention five, the form cutter is high-speed steel milling cutter, and the high-speed steel mills
The surface of knife is equipped with the wear-resistant coating using CVD or PVD method deposition.
Wherein, the CVD method is CVD method, and the PVD method is physical vapor deposition.
Preferably, the wear-resistant coating is TiN coating.
The utility model effectively reduces flank by the big relief angle for being 9~12 ° by the relief angle optimal setting of cutting edge
Friction, while on cutting edge wear-resistant coating setting again enhance the wearability of blade, the two mutually cooperates with so that only
Blood, which clamps form cutter, has better synthesis cutting ability, to improve the processing quality of haemostatic clamp, while also improving
The service life of haemostatic clamp form cutter.
As a preferred embodiment of the present invention, the cutting tooth is circumferentially square in the outer circle of the cylindrical milling cutter body
To be distributed as equal tooth pitches distribution.
As the further improvement of the utility model, the cutting tooth is in the outer circle of the cylindrical milling cutter body along circle
Circumferential direction is distributed as unequal blade spacing distribution, and is provided in the both ends of the surface of the cylindrical milling cutter body for the cylinder
End mill body carry out it is dynamically balanced remove repeated hole, it is described that remove repeated hole be that repeated hole is removed in numerical control electric spark processing.
Above by the dynamically balanced dynamic balancing for going repeated hole to realize end mill body is arranged, to improve milling cutter when machining
The stationarity of operating, while by the way that cutting tooth is arranged to unequal blade spacing distribution, be conducive to the haemostatic clamp for inhibiting rigidity poor
Vibration, to further increase the suface processing quality of haemostatic clamp.
In the utility model, the center of the cylindrical milling cutter body is provided in the axial direction with the through-hole of installation, the through-hole
Inside it is machined with keyway.
The beneficial effects of the utility model are:
First, a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp of the utility model passes through first group of cutting tooth
It is arranged with second group of cutting tooth in axial mutual dislocation, so that the cutting tooth of cutting is participated in the same time reduces half, from
And considerably reduce cutting force, be conducive to improve cutting stationarity, improve processing quality, while also improve haemostatic clamp at
The service life of shape milling cutter.
Second, the form cutter of a kind of triangle pointed tooth occlusion haemostatic clamp of the utility model, due to three in cutting tooth
The height of angular pointed tooth is greater than the height of the triangle pointed tooth on haemostatic clamp, by first group of cutting tooth and second group of cutting when cutting
Tooth processes the both sides of acute angle tooth respectively, so as to the processing of the entire triangle pointed tooth of completion of high quality.
Third, a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp of the utility model, in first group of cutting tooth and
Second group of cutting tooth is after the setting of axial mutual dislocation, the space width that is formed between the adjacent cutting tooth on same axial cross section
Degree increases one times, so that the manufacture of form cutter is more convenient.Moreover, the increase of space width so that chip removal more
Smooth, radiating condition is more preferable, so as to further increase processing quality, and improves the service life of milling cutter.
4th, a kind of form cutter of triangle pointed tooth of the utility model occlusion haemostatic clamp, using spiral cutter groove structure,
Cutting force can be made more balanced, to further increase the stationarity of cutting.
5th, the form cutter of a kind of triangle pointed tooth of the utility model occlusion haemostatic clamp, by will be after cutting edge
Angle and optimizing is set as 9~12 ° of big relief angle, effectively reduces the friction of flank, at the same on cutting edge wear-resistant coating setting
The wearability of blade is enhanced again, and the two mutually cooperates with, so that there is haemostatic clamp form cutter better synthesis to cut
Performance is cut, to improve the processing quality of haemostatic clamp, while also improving the service life of haemostatic clamp form cutter.
6th, a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp of the utility model is dynamically balanced by being arranged
Repeated hole is gone to realize the dynamic balancing of end mill body, to improve the stationarity that milling cutter operates when machining, while by that will cut
Tooth is arranged to unequal blade spacing distribution, is conducive to the vibration for the haemostatic clamp for inhibiting rigidity poor, to further increase haemostatic clamp
Suface processing quality.
7th, a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp of the utility model passes through first group of cutting tooth
And second cutting tooth shift to install, one side can be convenient the manufacture of close tooth type milling cutter, improve tooth form on close tooth type milling cutter
The accuracy of manufacture, on the other hand can promote chip breaking and further improve chip removal condition, thus improve processing quality, reduce chip
Abrasion to rack milling cutter, to improve the service life of close tooth type milling cutter.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the form cutter of triangle pointed tooth occlusion haemostatic clamp of the utility model；
Fig. 2 is the partial enlarged view at position at A in Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the structural schematic diagram of triangle pointed tooth occlusion haemostatic clamp (binding clip part).
In figure: 1, end mill body, 2, cutting tooth, 3, first groups of cutting tooths, 4, second groups of cutting tooths, 5, triangle pointed tooth, 6,
Through-hole, 7, keyway, 8, upper grip head, 9, lower pliers head.
In figure: α is anterior angle, and β is cutter groove angle, and δ is relief angle, and γ is helical angle.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
The embodiment of the form cutter of haemostatic clamp is engaged for a kind of triangle pointed tooth of the utility model as shown in Figures 1 to 4,
Including cylindrical milling cutter body 1, a number of cutting tooth 2 is along the circumferential direction distributed in the outer circle of the cylindrical milling cutter body 1,
The cutting tooth 2 is grouped into first group of cutting tooth 3 and second group of cutting tooth 4, wherein the quantity of first group of cutting tooth 3 and second group
The quantity of cutting tooth 4 is equal and alternates distribution in a circumferential direction, shaft section of the cutting tooth 2 in the end mill body 1
On be projected as densely covered triangle pointed tooth, and the pitch of the triangle pointed tooth of first group of cutting tooth 3, second group of cutting tooth
The pitch of the 4 triangle pointed tooth is twice of the triangle pointed tooth tooth pitch on haemostatic clamp, in first group of cutting tooth 3
Each cutting tooth be projected in dislocation-free axially aligned with each other, second group of cutting tooth 4 on the shaft section of the end mill body 1
In each cutting tooth be projected in dislocation-free axially aligned with each other, first group of cutting on the shaft section of the end mill body 1
Projection of each cutting tooth on the shaft section of the end mill body 1 in tooth 3 is with each cutting tooth in second group of cutting tooth 4 described
Axial mutual dislocation setting is projected on the shaft section of end mill body 1.
Wherein, the single triangle pointed tooth in the cutting tooth 2 is acute angle tooth, and the acute angle tooth is 60 ° of acute angle teeth.
Wherein, the height of the triangle pointed tooth in the cutting tooth 2 is greater than the height of the triangle pointed tooth on haemostatic clamp, from
And make more sharp at the top of the haemostatic clamp processed, the needs used are more able to satisfy, are also more favorable for being engaged.
In above-mentioned technical proposal, it is arranged by first group of cutting tooth 3 and second group of cutting tooth 4 in axial mutual dislocation, is made
Obtaining the cutting tooth for participating in cutting in the same time reduces half, to considerably reduce cutting force, is conducive to improve and cut
Stationarity, improve processing quality, while also improving the service life of haemostatic clamp form cutter.
In addition, above-mentioned first group of cutting tooth 3 and the second cutting tooth 4 shift to install, one side can be convenient close flute profile
The manufacture of milling cutter improves the accuracy of manufacture of tooth form on close tooth type milling cutter, on the other hand can promote chip breaking and further improve row
Bits condition, to improve processing quality, reduce abrasion of the chip to rack milling cutter, to improve the use longevity of close tooth type milling cutter
Life.
Since the height of the triangle pointed tooth in cutting tooth 2 is greater than the height of the triangle pointed tooth on haemostatic clamp, when cutting
The both sides of acute angle tooth are processed, respectively by first group of cutting tooth 3 and second group of cutting tooth 4 so as to the entire triangle of completion of high quality
The processing of shape pointed tooth.
As shown in Fig. 2, the form cutter of the haemostatic clamp of the present embodiment, exists in first group of cutting tooth 3 and second group of cutting tooth 4
After axial mutual dislocation setting, the space width formed between the adjacent cutting tooth on same axial cross section increases one times,
So that the manufacture of form cutter is more convenient.Moreover, the increase of space width is so that chip removal is more smoothly, radiating condition
More preferably, so as to further increase processing quality, and the service life of milling cutter is improved.
One of preferred embodiment as the present embodiment, the total quantity of the cutting tooth 2 is 14~20 and its quantity is even
Number.
As shown in figure 3, two of the preferred embodiment as the present embodiment, the cutter groove that is formed between two neighboring cutting tooth 2 its
Cutter groove angle beta is 42~47 °.
Three of preferred embodiment as the present embodiment, the cutter groove are spiral cutter groove.
It is furthermore preferred that as shown in Figure 1, the pitch angle gamma of the spiral cutter groove is 12~16 °.
It is above-mentioned to use spiral cutter groove structure, cutting force can be made more balanced, to further increase the stationarity of cutting.
As shown in figure 3, four of the preferred embodiment as the present embodiment, the cutting tooth 2 is perpendicular to the form cutter
The α anterior angle of its cutting edge is 4~6 ° on the cross section of axis, and the cutting tooth 2 is in the cross perpendicular to the form cutter axis
The relief angle δ of its cutting edge is 9~12 ° on section.
Five of preferred embodiment as the present embodiment, the form cutter are high-speed steel milling cutter, and the high-speed steel milling cutter
Surface be equipped with using CVD or PVD method deposition wear-resistant coating.
Wherein, the CVD method is CVD method, and the PVD method is physical vapor deposition.
Preferably, the wear-resistant coating is TiN coating.
The present embodiment effectively reduces flank by the big relief angle for being 9~12 ° by the relief angle δ optimal setting of cutting edge
Friction, while on cutting edge wear-resistant coating setting again enhance the wearability of blade, the two mutually cooperates with so that only
Blood, which clamps form cutter, has better synthesis cutting ability, to improve the processing quality of haemostatic clamp, while also improving
The service life of haemostatic clamp form cutter.
As the preferred embodiment of the present embodiment, the cutting tooth 2 is circumferentially square in the outer circle of the cylindrical milling cutter body 1
To be distributed as equal tooth pitches distribution.
As the further improvement of the present embodiment, the cutting tooth 2 is in the outer circle of the cylindrical milling cutter body 1 along circle
Circumferential direction is distributed as unequal blade spacing distribution, and is provided in the both ends of the surface of the cylindrical milling cutter body 1 for the cylinder
Shape end mill body 1 carry out it is dynamically balanced go repeated hole (being not drawn into figure), it is described go repeated hole be numerical control electric spark processing remove repeated hole.
Above by the dynamically balanced dynamic balancing for going repeated hole to realize end mill body 1 is arranged, to improve milling when machining
The stationarity of knife operating, while by the way that cutting tooth 2 is arranged to unequal blade spacing distribution, be conducive to the haemostatic clamp for inhibiting rigidity poor
Vibration, to further increase the suface processing quality of haemostatic clamp.
In the present embodiment, the center of the cylindrical milling cutter body 1 is provided in the axial direction with the through-hole 6 of installation, the through-hole 6
Inside it is machined with keyway 7.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (10)
1. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp, which is characterized in that including cylindrical milling cutter body, the cylinder
A number of cutting tooth is along the circumferential direction distributed in the outer circle of shape end mill body, the cutting tooth is grouped into first group of cutting tooth
With second group of cutting tooth, wherein the quantity of first group of cutting tooth is equal with the quantity of second group of cutting tooth and phase in a circumferential direction
It is mutually alternately distributed, the cutting tooth is projected as densely covered triangle pointed tooth, and first group on the shaft section of the end mill body
The pitch of the triangle pointed tooth of the pitch of the triangle pointed tooth of cutting tooth, second group of cutting tooth is on haemostatic clamp
Twice of triangle pointed tooth tooth pitch, projection of each cutting tooth on the shaft section of the end mill body in first group of cutting tooth
Projection of each cutting tooth on the shaft section of the end mill body in dislocation-free axially aligned with each other, second group of cutting tooth
Projection of each cutting tooth on the shaft section of the end mill body in dislocation-free axially aligned with each other, first group of cutting tooth
It is arranged with the axial mutual dislocation of being projected on the shaft section of the end mill body of each cutting tooth in second group of cutting tooth.
2. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that described to cut
Cutting the single triangle pointed tooth on tooth is acute angle tooth, and the acute angle tooth is 60 ° of acute angle teeth.
3. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that described to cut
The height for cutting the triangle pointed tooth on tooth is greater than the height of the triangle pointed tooth on haemostatic clamp.
4. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that described to cut
The total quantity for cutting tooth is 14~20 and its quantity is even number.
5. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that adjacent two
Its cutter groove angle of the cutter groove formed between a cutting tooth is 42~47 °.
6. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 5, which is characterized in that the knife
Slot is spiral cutter groove, and the helical angle of the spiral cutter groove is 12~16 °.
7. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that described to cut
The anterior angle for cutting tooth its cutting edge on the cross section perpendicular to the form cutter axis is 4~6 °, and the cutting tooth is vertical
In its cutting edge on the cross section of the form cutter axis relief angle be 9~12 °.
8. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that it is described at
Shape milling cutter is high-speed steel milling cutter, and the surface of the high-speed steel milling cutter is equipped with the wear-resistant coating using CVD or PVD method deposition.
9. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that described to cut
It cuts tooth and is distributed as equal tooth pitches distribution in the circumferential direction in the outer circle of the cylindrical milling cutter body.
10. a kind of form cutter of triangle pointed tooth occlusion haemostatic clamp according to claim 1, which is characterized in that described
Cutting tooth is distributed as unequal blade spacing distribution, and the cylindrical milling in the circumferential direction in the outer circle of the cylindrical milling cutter body
Be provided in the both ends of the surface of cutter hub for the cylindrical milling cutter body carry out it is dynamically balanced remove repeated hole, it is described that remove repeated hole be numerical control
Electrical discharge machining removes repeated hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821417729.9U CN209021306U (en) | 2018-08-31 | 2018-08-31 | A kind of form cutter of triangle pointed tooth occlusion haemostatic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821417729.9U CN209021306U (en) | 2018-08-31 | 2018-08-31 | A kind of form cutter of triangle pointed tooth occlusion haemostatic clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209021306U true CN209021306U (en) | 2019-06-25 |
Family
ID=66876631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821417729.9U Active CN209021306U (en) | 2018-08-31 | 2018-08-31 | A kind of form cutter of triangle pointed tooth occlusion haemostatic clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209021306U (en) |
-
2018
- 2018-08-31 CN CN201821417729.9U patent/CN209021306U/en active Active
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