CN204867560U - Novel cold shell auger head - Google Patents
Novel cold shell auger head Download PDFInfo
- Publication number
- CN204867560U CN204867560U CN201520348174.7U CN201520348174U CN204867560U CN 204867560 U CN204867560 U CN 204867560U CN 201520348174 U CN201520348174 U CN 201520348174U CN 204867560 U CN204867560 U CN 204867560U
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- China
- Prior art keywords
- drill body
- drill
- drillstock
- groove
- bite
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Drilling Tools (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a novel cold shell auger head, by the drillstock, bore body two parts and connect and constitute, its innovation point lies in: the structure of boring the body comprises with brill body two parts integrated forming the drill tip, set up the coolant liquid through -hole that runs through horizontal central line in the drill bit, coolant liquid diameter of hole is 0.5-1mm, the drill tip front end is equipped with the filter screen. Bore body by both ends before for the brill body of the infinity font body of straight terminal surface tip and both ends after for the brill body of the infinity font body of straight terminal surface tip integrated forming on same axis constitute, the structure of drillstock is the elongate cylindrical body structure, in the one end of drillstock, leans on the proximal end portion position, is provided with the location slot. The utility model discloses a drill bit combines together coolant liquid through -hole and filter screen, has realized the cooling of drill bit promptly, has avoided garrulous again and has cut jam coolant liquid through -hole.
Description
Technical field
The utility model belongs to drill bit field, particularly relates to a kind of Novel cold shell auger head.
Background technology
Cutter on brill, drilling machine, drilling machine, can cause hole on workpiece or rock.Xu Chi " Goldbach's Conjecture's oil head ": " in 1956, China's bored material was somewhat nervous, and drill bit is not enough." course of work dig pit operation time, drill bit, with vertical shaft rotary, moves axially simultaneously.Soil is cut under the moment of torsion and responsive to axial force of drill bit, is raveled under the extruding and centrifugal action of working-blade, forms native stream and presses to hole wall, simultaneously along page elevator to earth's surface.When native stream moves to without hole wall stop place, because centrifugal action hack is thrown around hole, complete the process of digging pit.
Existing drill bit, in order to increase cooling effect, is provided with cooling passage in handle of a knife, increases the film-cooled heat of cooling fluid.Due in drilling cuttings process, chisel edge portion can produce a large amount of chips, and these chips are easy to enter in cooling passage, and blocking cooling passage, makes cooling fluid to circulate, cause cooling failure, cause drill bit high-temperature operation, bring serious accident.Therefore, a kind of new technical scheme is needed to solve above-mentioned technical problem.
Utility model content
The technical problems to be solved in the utility model is to solve that cold shell auger head is broken cuts accumulation, blocking cooling fluid through hole.
For solving the problems of the technologies described above, the utility model provides following technical scheme: a kind of Novel cold shell auger head, is connected and composed by drillstock, drill body two parts, it is characterized in that: the structure of described drill body is made up of apex point and drill body body two parts monolithic molding; Described drill body body by be the drill body head portion of the ∞ font body of straight end face and two ends be at the two ends ∞ font body of straight end face drill body rearward end on the same axis monolithic molding form; Described apex point leading section is provided with front bite; Described drill body head portion is provided with horizontally disposed S shape bite along ∞ font position, and described S shape bite and drill body head portion are monolithic molding, and described S shape bite blade and described drill body head portion level angle are 30 ~ 45 °; Described drill body rearward end is provided with the secondary bite of horizontally disposed S shape along ∞ font position, the secondary bite of described S shape and drill body rearward end are monolithic molding, and it is 15 ~ 30 ° that described S shape pair is cut with described drill body rearward end level angle; The structure of described drillstock is elongate cylinder body structure, in one end of drillstock, near end position, is provided with positioning groove.
Further, described drill body head portion and drill body rearward end maximum gauge are than being 1:3.
Further, the structure of described apex point is the cone that there is helical structure on surface, and the tapering of cone is 15 ~ 30 °, and the cone of cone is high is 5 ~ 10cm.
Further, in described drill bit, offer the cooling fluid through hole running through cross central line,
Described cooling fluid through-hole diameter is 0.5 ~ 1mm, and described apex point front end is provided with screen pack.
Further, described drill body body also includes two groove for cuttings, described groove for cuttings extends to bottom from the start-up portion of drill body body leading section in a helical pattern, on arbitrary cross section of drill body body, groove for cuttings is all positioned at position diametrically opposed to each other in drill body plane, and drill body body is divided into four parts by described two groove for cuttings uniformly.
Further, described positioning groove is the groove offering two semicircle strips along cylinder drillstock periphery.
The beneficial effects of the utility model are as follows:
1, cooling fluid through hole combines with screen pack by drill bit of the present utility model, namely achieves the cooling of drill bit, turn avoid broken cutting and blocks cooling fluid through hole;
2, the setting of the ratio of drill body head portion of the present utility model and drill body rearward end maximum gauge, is beneficial to the stable of structure in boring procedure, not easily occurs the phenomenon ruptured;
3, drill bit of the present utility model is provided with two groove for cuttings on drill body body, described two groove for cuttings extend to bottom from front end in a helical pattern, along on arbitrary cross section of drill body body, groove for cuttings is all positioned at position diametrically opposed to each other in drill body body plane, the groove for cuttings of this symmetric figure, and row's bevel is long-pending large, it is fast that row cuts speed, not easily causes broken accumulation of cutting;
4, have the groove of two the semicircle strips offered along cylinder drillstock periphery outside drillstock of the present utility model, such groove design serves fastening effect, Embedded drillstock, effectively can prevent drill bit landing from install machinery;
5, drill bit of the present utility model adopts surface to have the conical structure of helical structure, is drilling through in the process of hole like this, reduces stress surface, and increase borehole strength, be conducive to the automatic entrance-exit in working angles, stock-removing efficiency will improve greatly.
Accompanying drawing explanation
If Fig. 1 is structural representation of the present utility model;
As the structural representation that Fig. 2 is front bite cutter head of the present utility model.
Detailed description of the invention
Drawing reference numeral: 1, front bite, 2, drill body head portion, 3, S shape bite, 4, drill body rearward end, 5, the secondary bite of S shape, 6, row cuts groove, 7, drillstock, 8, positioning groove, 9, cooling fluid through hole, 10, screen pack
For making utility model object of the present utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, a kind of Novel cold shell auger head, is connected and composed by drillstock 7, drill body two parts, it is characterized in that the structure of cold shell auger head of the present utility model: the structure of drill body is made up of apex point and drill body body two parts monolithic molding; Drill body body by be the drill body head portion 2 of the ∞ font body of straight end face and two ends be at the two ends ∞ font body of straight end face drill body rearward end 4 on the same axis monolithic molding form; Apex point leading section is provided with front bite 1; Drill body head portion 2 being provided with horizontally disposed S shape bite 3, S shape bite 3 is monolithic molding along ∞ font position with drill body head portion 2, and S shape bite 3 blade and drill body head portion 2 level angle are 30 ~ 45 °; Drill body rearward end 4 being provided with the secondary bite 5 of secondary bite 5, the S shape of horizontally disposed S shape is monolithic molding along ∞ font position with drill body rearward end 4, and the secondary bite 5 of S shape is 15 ~ 30 ° with drill body rearward end 4 level angle; The structure of drillstock 7 is elongate cylinder body structure, in one end of drillstock 7, near end position, is provided with positioning groove 8.Such groove design serves fastening effect, Embedded drillstock 7, effectively can prevent drill bit landing from install machinery.
Drill body head portion 2 and drill body rearward end 4 maximum gauge are than being 1:3.The setting of drill body head portion 2 and the ratio of drill body rearward end 4 maximum gauge, is beneficial to the stable of structure in boring procedure, not easily occurs the phenomenon ruptured.
The structure of apex point is the cone that there is helical structure on surface, and the tapering of cone is 15 ~ 30 °, and the cone of cone is high is 5 ~ 10cm.Drilling through in the process of hole like this, reducing stress surface, increase borehole strength, be conducive to the automatic entrance-exit in working angles, stock-removing efficiency will improve greatly.
As shown in Figure 2, offer the cooling fluid through hole 9 running through cross central line in drill bit, cooling fluid through hole 9 diameter is 0.5 ~ 1mm, and described apex point front end is provided with screen pack 10.Cooling fluid through hole 9 is combined with screen pack 10, namely achieves the cooling of drill bit, turn avoid broken cutting and block cooling fluid through hole.
Drill body body also includes two groove for cuttings 6, groove for cuttings 6 extends to bottom from the start-up portion of drill body body leading section in a helical pattern, on arbitrary cross section of drill body body, groove for cuttings is all positioned at position diametrically opposed to each other in drill body plane, and drill body body is divided into four parts by two groove for cuttings 6 uniformly.The groove for cuttings 6 of this symmetric figure, row's bevel is long-pending large, and it is fast that row cuts speed, not easily causes broken accumulation of cutting.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (6)
1. a Novel cold shell auger head, is connected and composed by drillstock, drill body two parts, it is characterized in that:
The structure of described drill body is made up of apex point and drill body body two parts monolithic molding; Described drill body body by be the drill body head portion of the ∞ font body of straight end face and two ends be at the two ends ∞ font body of straight end face drill body rearward end on the same axis monolithic molding form;
Described apex point leading section is provided with front bite;
Described drill body head portion is provided with horizontally disposed S shape bite along ∞ font position, and described S shape bite and drill body head portion are monolithic molding, and described S shape bite blade and described drill body head portion level angle are 30 ~ 45 °;
Described drill body rearward end is provided with the secondary bite of horizontally disposed S shape along ∞ font position, the secondary bite of described S shape and drill body rearward end are monolithic molding, and it is 15 ~ 30 ° that described S shape pair is cut with described drill body rearward end level angle;
The structure of described drillstock is elongate cylinder body structure, in one end of drillstock, near end position, is provided with positioning groove.
2. a kind of Novel cold shell auger head according to claim 1, is characterized in that: described in
Drill body head portion and drill body rearward end maximum gauge are than being 1:3.
3. a kind of Novel cold shell auger head according to claim 1, is characterized in that: the structure of described apex point is the cone that there is helical structure on surface, and the tapering of cone is 15 ~ 30 °, and the cone of cone is high is 5 ~ 10cm.
4. a kind of Novel cold shell auger head according to claim 1, it is characterized in that: offer the cooling fluid through hole running through cross central line in described drill bit, described cooling fluid through-hole diameter is 0.5 ~ 1mm, and described apex point front end is provided with screen pack.
5. a kind of Novel cold shell auger head according to claim 1, it is characterized in that: described drill body body also includes two groove for cuttings, described groove for cuttings extends to bottom from the start-up portion of drill body body leading section in a helical pattern, on arbitrary cross section of drill body body, groove for cuttings is all positioned at position diametrically opposed to each other in drill body plane, and drill body body is divided into four parts by described two groove for cuttings uniformly.
6. a kind of Novel cold shell auger head according to claim 1, is characterized in that: described positioning groove is the groove offering two semicircle strips along cylinder drillstock periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348174.7U CN204867560U (en) | 2015-05-27 | 2015-05-27 | Novel cold shell auger head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348174.7U CN204867560U (en) | 2015-05-27 | 2015-05-27 | Novel cold shell auger head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204867560U true CN204867560U (en) | 2015-12-16 |
Family
ID=54811988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520348174.7U Expired - Fee Related CN204867560U (en) | 2015-05-27 | 2015-05-27 | Novel cold shell auger head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204867560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689764A (en) * | 2016-04-26 | 2016-06-22 | 张丹嫣 | Diamond drill bit |
-
2015
- 2015-05-27 CN CN201520348174.7U patent/CN204867560U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689764A (en) * | 2016-04-26 | 2016-06-22 | 张丹嫣 | Diamond drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |