CN204277137U - Internal thread tooth attacking device cutting structure - Google Patents
Internal thread tooth attacking device cutting structure Download PDFInfo
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- CN204277137U CN204277137U CN201420685074.9U CN201420685074U CN204277137U CN 204277137 U CN204277137 U CN 204277137U CN 201420685074 U CN201420685074 U CN 201420685074U CN 204277137 U CN204277137 U CN 204277137U
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- cutting
- face
- threading tool
- dust lead
- indent
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Abstract
The utility model relates to a kind of internal thread tooth attacking device cutting structure, it divides at the periphery etc. of a tooth attacking device threading tool blade laying plural number, this each threading tool blade correspondence is provided with a row and cuts groove, its front side of cutting threading tool of this threading tool blade is provided with a cutting face, this cutting face comprises the cutting threading tool of plural number, the side being close to this cutting face is provided with a dust lead face, this cutting face and this dust lead face boundary form a turning point, wherein in face of this dust lead, section is provided with an indent introduction segment, this dust lead face back segment is provided with a segmental arc, the hollow depth of this indent introduction segment and this segmental arc, according to the difference of its material characteristic of workpiece, correspondence makes different guiding radians, so can cutting swarf be effectively guided to discharge smoothly, can prevent again threading tool blade from bursting apart and workpiece internal thread schizodont.
Description
Technical field
The utility model relates to a kind of internal thread tooth attacking device cutting structure, and this is espespecially a kind of guides the internal thread tooth attacking device cutting structure that cutting swarf discharges smoothly, effectively to guide cutting swarf to make smooth discharge, can prevent again threading tool blade from bursting apart and workpiece internal thread schizodont.
Background technology
The processing procedure of the threaded internal thread of common metal workpiece volume production, normal need are by means of helping the instrument (as shown in Figure 1) of tooth attacking device 1 as processing, its structure is mainly at the threading tool blade 10 of point laying plural numbers such as tooth attacking device 1 leading portion, this threading tool blade 10 comprises the cutting threading tool 11 of plural number, because the process of cutting internal thread is a circular pivot, when the workpiece feed of 111 pairs, cutting face is cut, its chip removal can according to the difference of workpiece material, cut groove 113 with whole piece web-like or lepidiod cutting swarf by this cutting face 111 and row and guide discharge, but no matter which kind of cutting swarf, it is all the bits body of a somewhat arcuation, and straight dust lead face 112, for chip removal and nonideal guide surface, especially in dust lead face the chip removal angles of 112 grindings not pair time, very easily cause chip removal to block to have some setbacks, the internal thread generation schizodont situation causing threading tool blade 10 to burst apart or to process, although this disappearance exists for a long time, but so far still without the countermeasure of kindhearted improvement, dealer is quite made to feel puzzlement deeply endlessly.
Utility model content
Because the formula of habit disappearance, after this case utility model designer goes through research improvement many times, finally internal thread tooth attacking device cutting structure of the present utility model is completed, i.e. the purpose of this utility model, guide the internal thread tooth attacking device cutting structure that cutting swarf discharges smoothly providing a kind of, burst apart to prevent threading tool blade and workpiece internal thread schizodont.
For reaching above-mentioned the purpose of this utility model, internal thread tooth attacking device cutting structure of the present utility model, it divides at the periphery etc. of a tooth attacking device threading tool blade laying plural number, this each threading tool blade adjacent side correspondence is provided with a row and cuts groove, the front side of this threading tool blade is provided with a cutting face, this cutting face comprises the cutting threading tool of plural number, wherein:
This threading tool blade, its cutting face favours a horizontal line and becomes a tangent angle, and the side being close to this cutting face is provided with a dust lead face, and this cutting face and this dust lead face boundary form a turning point, in face of this dust lead, section is provided with an indent introduction segment, and this dust lead face back segment is provided with a segmental arc.
Above-mentioned indent introduction segment, favours a vertical line and becomes a dust lead angle.
Its second embodiment of internal thread tooth attacking device cutting structure of the present utility model, divide at the periphery etc. of a tooth attacking device threading tool blade laying plural number, this each threading tool blade adjacent side correspondence is provided with a row and cuts groove, the front side of this threading tool blade is provided with a cutting face, this cutting face comprises the cutting threading tool of plural number, wherein:
This threading tool blade, its cutting face favours a horizontal line and becomes a tangent angle, the side being close to this cutting face is provided with a dust lead face, this cutting face and dust lead face boundary form a turning point, this dust lead bread lights from this turnover the negative angle section, an indent introduction segment and the segmental arc that extend back containing one, and this negative angle section distal male forms a folding point of contact, receive this indent introduction segment backward from this folding point of contact, this indent introduction segment end receives this segmental arc.
Above-mentioned indent introduction segment, favours a vertical line and becomes a dust lead angle.
Above-mentioned negative angle section, favours a vertical line and becomes a negative corner cut degree.
Its 3rd embodiment of internal thread tooth attacking device cutting structure of the present utility model, it divides at the periphery etc. of a tooth attacking device threading tool blade laying plural number, this each threading tool blade adjacent side correspondence is provided with a row and cuts groove, the front side of this threading tool blade is provided with a cutting face, this cutting face comprises the cutting threading tool of plural number, wherein:
This threading tool blade, its cutting face favours a horizontal line and becomes a tangent angle, the side being close to this cutting face is provided with a dust lead face, this cutting face and dust lead face boundary form a turning point, this dust lead bread containing one from this turnover light extend back before the section of drawing, an indent introduction segment and a segmental arc, and section of drawing end forms a folding point of contact before this, receive this indent introduction segment backward from this folding point of contact, this indent introduction segment end receives this segmental arc.
The section of drawing before above-mentioned, favours a vertical line and becomes one tiltedly to draw angle.
Above-mentioned indent introduction segment, favours a vertical line and becomes a dust lead angle.
Compared with prior art, the advantage adopting the utility model of technique scheme to have is: can effectively guide cutting swarf to discharge smoothly, can prevent again threading tool blade from bursting apart and workpiece internal thread schizodont.
Accompanying drawing explanation
Fig. 1 is existing tooth attacking device schematic perspective view;
Fig. 2 is tooth attacking device schematic perspective view of the present utility model;
Fig. 3 is the schematic diagram () of its first embodiment of the utility model;
Fig. 4 is the schematic diagram (two) of its first embodiment of the utility model;
Fig. 5 is the schematic diagram (three) of its first embodiment of the utility model;
Fig. 6 is the schematic diagram (four) of its first embodiment of the utility model;
Fig. 7 is the schematic diagram () of its second embodiment of the utility model;
Fig. 8 is the schematic diagram (two) of its second embodiment of the utility model;
Fig. 9 is the schematic diagram (three) of its second embodiment of the utility model;
Figure 10 is the schematic diagram (four) of its second embodiment of the utility model;
Figure 11 is the schematic diagram () of its 3rd embodiment of the utility model;
Figure 12 is the schematic diagram (two) of its 3rd embodiment of the utility model;
Figure 13 is the schematic diagram (three) of its 3rd embodiment of the utility model;
Figure 14 is the schematic diagram (four) of its 3rd embodiment of the utility model;
Figure 15 is the embodiment schematic diagram that the utility model is provided with inclination introduction segment;
Figure 16 is the utility model is the embodiment schematic diagram that spiral path is laid.
Description of reference numerals: (prior art) 1 tooth attacking device; 10 threading tool blades; 11 cut threading tool; 111 cutting faces; 112 dust lead faces; 113 rows cut groove; (the utility model) 2 tooth attacking device; 21 threading tool blades; 22 cutting faces; 220 cut threading tool; 221 turning points; 23 dust lead faces; 23A, 23C, 23E, 23G indent introduction segment; 23B, 23D, 23F, 23H segmental arc; 23I, 23K, 23M, 23O indent introduction segment; 23J, 23L, 23N, 23P segmental arc; 23Q, 23S, 23U, 23W indent introduction segment; 23R, 23T, 23V, 23X segmental arc; 24 negative angle sections; 241 folding point of contacts; 25 rows cut groove; 251 inclination introduction segments; The section of drawing before 26; 261 folding point of contacts; 2' tooth attacking device; 21' threading tool blade; 25' row cuts groove; θ 1 tangent angle; θ 2 dust lead angle; The negative corner cut degree of θ 3; θ 4 tiltedly draws angle.
Detailed description of the invention
Refer to shown in Fig. 2, internal thread tooth attacking device cutting structure schematic perspective view of the present utility model, it divides at the periphery etc. of a tooth attacking device 2 the threading tool blade 21 laying plural number, this each threading tool blade 21 adjacent side correspondence is provided with a row and cuts groove 25, the front side of this threading tool blade 21 is provided with a cutting face 22, and this cutting face 22 comprises the cutting threading tool 220 of plural number.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, first embodiment of its threading tool blade 21 of tooth attacking device 2 of the present utility model, wherein its cutting face 22 of this threading tool blade 21 favours a horizontal line and becomes a tangent angle θ 1, the side being close to this cutting face 22 is provided with a dust lead face 23, this cutting face 22 forms a turning point 221 with dust lead face 23 boundary, this dust lead face 23 leading portion is provided with indent introduction segment 23A, 23C, 23E, a 23G, and this dust lead face 23 back segment is provided with segmental arc 23B, 23D, 23F, a 23H; Again in Fig. 3, Fig. 4, Fig. 5, Fig. 6, the hollow depth of this indent introduction segment 23A, 23C, 23E, 23G and this segmental arc 23B, 23D, 23F, 23H, according to the difference of its material characteristic of workpiece, correspondence makes different guiding radians, so can effectively guide cutting swarf to discharge smoothly, can prevent again threading tool blade 21 from bursting apart and workpiece internal thread schizodont.
Above-mentioned indent introduction segment 23A, 23C, 23E, 23G, favour a vertical line and become a dust lead angle θ 2, the size of this dust lead angle θ 2, and according to the characteristic of workpiece material, correspondence makes different dust lead angle θ 2.
As Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, second embodiment of its threading tool blade 21 of tooth attacking device 2 of the present utility model, wherein its cutting face 22 of this threading tool blade 21 favours a horizontal line and becomes a tangent angle θ 1, the side being close to this cutting face 22 is provided with a dust lead face 23, this cutting face 22 forms a turning point 221 with dust lead face 23 boundary, this dust lead face 23 comprises a negative angle section 24 extended back from this turning point 221, one indent introduction segment 23I, 23K, 23M, a 23O and segmental arc 23J, 23L, 23N, 23P, and this negative angle section 24 distal male forms a folding point of contact 241, this indent introduction segment 23I is received backward from this folding point of contact 241, 23K, 23M, 23O, this indent introduction segment 23I, 23K, 23M, 23O end receives this segmental arc 23J, 23L, 23N, 23P, this embodiment utilizes the structure of its negative angle section 24 of this dust lead face 23, can prevent the situation having the workpiece generation schizodont of sharp-pointed internal screw thread at car fixture, again at Fig. 7, Fig. 8, Fig. 9, Tu10Zhong, the hollow depth of this indent introduction segment 23I, 23K, 23M, 23O and this segmental arc 23J, 23L, 23N, 23P, according to the difference of its material characteristic of workpiece, correspondence makes different guiding radians, so can effectively guide cutting swarf to discharge smoothly, can prevent again threading tool blade 21 from bursting apart and workpiece internal thread schizodont.
Above-mentioned indent introduction segment 23I, 23K, 23M, 23O, favour a vertical line and become a dust lead angle θ 2, the size of this dust lead angle θ 2, and the characteristic according to its material of workpiece is different, and correspondence makes different dust lead angle θ 2.
Above-mentioned negative angle section 24, favours a vertical line and becomes a negative corner cut degree θ 3, the size of this negative corner cut degree θ 3, and the characteristic according to workpiece material is different, and correspondence makes different negative corner cut degree θ 3.
As Figure 11, Figure 12, Figure 13, shown in Figure 14, 3rd embodiment of its threading tool blade 21 of tooth attacking device 2 of the present utility model, wherein its cutting face 22 of this threading tool blade 21 favours a horizontal line and becomes a tangent angle θ 1, the side being close to this cutting face 22 is provided with a dust lead face 23, this cutting face 22 forms a turning point 221 with dust lead face 23 boundary, this dust lead face 23 comprise one extend back from this turning point 221 before the section of drawing 26, one indent introduction segment 23Q, 23S, 23U, a 23W and segmental arc 23R, 23T, 23V, 23X, and section of drawing 26 end forms a folding point of contact 261 before this, this indent introduction segment 23Q is received backward from this folding point of contact 261, 23S, 23U, 23W, this indent introduction segment 23Q, 23S, 23U, 23W end receives this segmental arc 23R, 23T, 23V, 23X, this embodiment utilizes the structure of this dust lead face 23 section of drawing 26 before it, after can preventing car internal screw thread from completing, occurs to cut threading tool 220 touch in type internal screw thread situation when withdrawing, again at Figure 11, Figure 12, Figure 13, Tu14Zhong, the hollow depth of this indent introduction segment 23Q, 23S, 23U, 23W and this segmental arc 23R, 23T, 23V, 23X, according to the difference of its material characteristic of workpiece, correspondence makes different guiding radians, so can effectively guide cutting swarf to discharge smoothly, can prevent again threading tool blade 21 from bursting apart and workpiece internal thread schizodont.
The section of drawing 26 before above-mentioned, favour a vertical line and become one tiltedly to draw angle θ 4, this tiltedly draws the size of angle θ 4, and the characteristic according to its material of workpiece is different, and correspondence is made and different tiltedly drawn angle θ 4.
Above-mentioned indent introduction segment 23I, 23K, 23M, 23O, favour a vertical line and become a dust lead angle θ 2, the size of this dust lead angle θ 2, and the characteristic according to its material of workpiece is different, and correspondence makes different dust lead angle θ 2.
Above in each embodiment, the front end that this row cuts groove 25 is more provided with an inclination introduction segment 251 (as shown in figure 15), the row cut can be guided to cut by means of this inclination introduction segment 251 to kick up in advance, and then guiding enters this row and cuts groove 25 back segment, in order to the smooth and easy discharge of chip removal.
Above in each embodiment, the row of threading tool blade 21 and plural number that the periphery of this tooth attacking device 2 etc. point lay plural number cuts groove 25, and this threading tool blade 21 and this row cut groove 25 and lay (as shown in Figure 2) with straight line path from front to back along the periphery of this tooth attacking device 2.
As shown in figure 16, in the enforcement of above each embodiment, the wherein periphery of this tooth attacking device 2', more can lay the threading tool blade 21' of plural number and the row of plural number cuts groove 25' by decile, this threading tool blade 21' and this row cut groove 25' and lay with spiral path from front to back along the periphery of this tooth attacking device 2'.
In sum, internal thread tooth attacking device cutting structure of the present utility model, in face of its dust lead, section is provided with an indent introduction segment, its back segment is provided with a segmental arc, the hollow depth of this indent introduction segment and this segmental arc, according to the difference of its material characteristic of workpiece, correspondence makes different guiding radians, so can cutting swarf be effectively guided to discharge smoothly, can prevent again threading tool blade from bursting apart and workpiece internal thread schizodont, and its technological means is previous institute nothing again, so the utility model meets the novelty of new patent and creative requirement.
More than illustrate the utility model just illustrative; and nonrestrictive, those of ordinary skill in the art understand, when not departing from the spirit and scope that claim limits; many amendments, change or equivalence can be made, but all will fall within protection domain of the present utility model.
Claims (8)
1. an internal thread tooth attacking device cutting structure, it divides at the periphery etc. of a tooth attacking device threading tool blade laying plural number, and this each threading tool blade adjacent side correspondence is provided with a row and cuts groove, and the front side of this threading tool blade is provided with a cutting face, this cutting face comprises the cutting threading tool of plural number, it is characterized in that:
This threading tool blade, its cutting face favours a horizontal line and becomes a tangent angle, and the side being close to this cutting face is provided with a dust lead face, and this cutting face and this dust lead face boundary form a turning point, in face of this dust lead, section is provided with an indent introduction segment, and this dust lead face back segment is provided with a segmental arc.
2. internal thread tooth attacking device cutting structure according to claim 1, is characterized in that: this indent introduction segment favours a vertical line and becomes a dust lead angle.
3. an internal thread tooth attacking device cutting structure, it divides at the periphery etc. of a tooth attacking device threading tool blade laying plural number, and this each threading tool blade adjacent side correspondence is provided with a row and cuts groove, and the front side of this threading tool blade is provided with a cutting face, this cutting face comprises the cutting threading tool of plural number, it is characterized in that:
This threading tool blade, its cutting face favours a horizontal line and becomes a tangent angle, the side being close to this cutting face is provided with a dust lead face, this cutting face and dust lead face boundary form a turning point, this dust lead bread lights from this turnover the negative angle section, an indent introduction segment and the segmental arc that extend back containing one, and this negative angle section distal male forms a folding point of contact, receive this indent introduction segment backward from this folding point of contact, this indent introduction segment end receives this segmental arc.
4. internal thread tooth attacking device cutting structure according to claim 3, is characterized in that: this indent introduction segment favours a vertical line and becomes a dust lead angle.
5. internal thread tooth attacking device cutting structure according to claim 3, is characterized in that: this negative angle section favours a vertical line and becomes a negative corner cut degree.
6. an internal thread tooth attacking device cutting structure, it divides at the periphery etc. of a tooth attacking device threading tool blade laying plural number, and this each threading tool blade adjacent side correspondence is provided with a row and cuts groove, and the front side of this threading tool blade is provided with a cutting face, this cutting face comprises the cutting threading tool of plural number, it is characterized in that:
This threading tool blade, its cutting face favours a horizontal line and becomes a tangent angle, the side being close to this cutting face is provided with a dust lead face, this cutting face and dust lead face boundary form a turning point, this dust lead bread containing one from this turnover light extend back before the section of drawing, an indent introduction segment and a segmental arc, and section of drawing end forms a folding point of contact before this, receive this indent introduction segment backward from this folding point of contact, this indent introduction segment end receives this segmental arc.
7. internal thread tooth attacking device cutting structure according to claim 6, is characterized in that: before this, the section of drawing favours a vertical line and becomes one tiltedly to draw angle.
8. internal thread tooth attacking device cutting structure according to claim 6, is characterized in that: this indent introduction segment favours a vertical line and becomes a dust lead angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685074.9U CN204277137U (en) | 2014-11-14 | 2014-11-14 | Internal thread tooth attacking device cutting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685074.9U CN204277137U (en) | 2014-11-14 | 2014-11-14 | Internal thread tooth attacking device cutting structure |
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| Publication Number | Publication Date |
|---|---|
| CN204277137U true CN204277137U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420685074.9U Expired - Fee Related CN204277137U (en) | 2014-11-14 | 2014-11-14 | Internal thread tooth attacking device cutting structure |
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| CN (1) | CN204277137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414216A (en) * | 2017-08-08 | 2017-12-01 | 荆门天阁动力机械科技有限责任公司 | Sectional tap |
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2014
- 2014-11-14 CN CN201420685074.9U patent/CN204277137U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414216A (en) * | 2017-08-08 | 2017-12-01 | 荆门天阁动力机械科技有限责任公司 | Sectional tap |
| CN107414216B (en) * | 2017-08-08 | 2019-11-19 | 荆门一天阁动力机械科技有限责任公司 | Sectional tap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20211114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |