CN204035636U - A kind of jacking cutting tool - Google Patents
A kind of jacking cutting tool Download PDFInfo
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- CN204035636U CN204035636U CN201420354648.4U CN201420354648U CN204035636U CN 204035636 U CN204035636 U CN 204035636U CN 201420354648 U CN201420354648 U CN 201420354648U CN 204035636 U CN204035636 U CN 204035636U
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Abstract
The utility model discloses a kind of jacking cutting tool; By structural design, reduce cutting force, improve the depth of cut and stock-removing efficiency, improve stable cutting degree.These modes comprise: the cutwork that be assume responsibility for the different circumference of axis body to be processed by interior, domestic and abroad bite; By being obliquely installed of the main cutting edge of inside and outside bite; A point bits chip cutter is set; In optimizing, the structural parameters of domestic and abroad chip cutter and point bits chip cutter and location parameter etc.
Description
Technical field
The utility model relates to the tool for cutting machining technical field of metal material, is specifically related to a kind of jacking cutting tool of the deep hole jacking for metal material.
Background technology
Existing drill bit can only process the deep hole of diameter at below 120mm.For the processing of more than 120mm deep hole, first with the deep hole of the diameter 120mm that holes out, and then can only use boring cutter reaming, the value of clout is low.In addition, the secondary operations mode step trouble of this first boring, again bore hole, labour intensity is large, and bore hole makes extend the process time of deep hole, reduces working (machining) efficiency.For the deep hole that is 180mm with processing diameter, the bore hole time is about about 2 times of drilling time, and bore hole operation adds 200% with regard to making the process time of whole deep hole.
For overcoming above-mentioned defect, people develop deep hole jacking technology for this reason.When the feature of deep hole jacking is deep hole processing from solid bar, utilize the shear action of blade, by the continuous chip removal of high pressure cutting oil, while completing deep hole machining, obtain an overall virgin material, improve the utilization rate of work metal material.To process the deep hole that diameter is 120mm, by overlaying processing, the clout plug that diameter is about 60mm can be obtained.Secondly, can time processing, reduce process time.
The structure of existing jacking cutting tool mainly contains two kinds: a kind of is that each blade cut tread degree of jacking cutting tool is consistent, adopts difform cutting edge, as application number treapanning drill disclosed in 201310628202.6; Its advantage is that feed is stablized, but shortcoming to be cutting force large, the depth of cut is little.Another kind is that each cutting edge width increases successively, and the cutter head flank of tooth stretches out size difference certain distance, obtains in step-like cutting face, as application number be trepanning tool disclosed in 87203994, application number jacking cutting tool disclosed in 201310652659.0; Its advantage is that cutting force is little, and the depth of cut is large, but shortcoming is feed shakiness, the hole size low precision of processing.
In addition, the mode of above-mentioned jacking cutting tool many employings external chip discharging, namely chip area and chip pocket are located at the periphery of jacking cutting tool, therefore powder is considered to be worth doing to block the gap between jacking cutting tool and axis body to be processed, obstruction is caused to jacking cutting tool precession axis body to be processed, therefore this go out bits mode more consume energy, can improve cutting force and reduce the depth of cut.
Summary of the invention
According to company's machine tool, through putting into practice and studying intensively, conventional jacking cutting tool is carried out innovative improvement, reduced cutting force needed for cutter work, improve the depth of cut, the dimensional accuracy that simultaneously can ensure steady feed, machinable deep hole size range is large, obtain after processing is high.
A kind of jacking cutting tool of the present utility model, comprises columnar cutter hub, and cutter hub one end end face is provided with some bites, and the cutter hub other end is provided with the screw thread for connecting, each cutting edge is positioned at the different annular of cutter hub end face, comprise the bite being positioned at inner side annulus, be arranged in the outer bite of outer annular and be positioned at the bite of central circular, the main cutting edge of interior bite extends cutter hub inwall in cutter hub end face, and be obliquely installed to the cutter hub other end, the main cutting edge of outer bite extends cutter hub outer wall in cutter hub end face, and be obliquely installed to the cutter hub other end, the main cutting edge of interior bite is all arranged on the annulus of bite place or annulus away from the main cutting edge of cutter hub central shaft one end and outer bite by feed body central shaft one end, cutter hub is provided with the chip area of the rake face being communicated to each bite, is circumferentially provided with the chip pocket be communicated with each chip area at the pipe shaft of cutter hub.
Compared with existing jacking cutting tool, the utility model jacking cutting tool shares cutting output by interior, domestic and abroad bite, inside and outside, middle bite treat respectively processing axis body treat jacking part interior, in, excircle cuts, cutting force is little, the depth of cut is large, stock-removing efficiency is high, can process pore diameter range large; And the main cutting edge of interior bite extends cutter hub inwall in cutter hub end face, be obliquely installed to the cutter hub other end, the main cutting edge of outer bite extends cutter hub outer wall in cutter hub end face, be obliquely installed to the cutter hub other end, make inside and outside bite all from the middle part circumference treating jacking part of axis body to be processed gradually jacking, such stable cutting, not easily makes jacking cutting tool tremble shake, and it is high that processing obtains hole size precision.
Chip size is large, easily blocks the gap between axis body to be processed and jacking cutting tool or blocks chip area, causing the increase of cutting force.In order to reduce cutting force, described bite also comprises point bits bite of the central circular being positioned at described cutter hub end face, and a point bits bite is provided with pointed tooth, and the crown of pointed tooth exceeds the rear knife face of described middle bite.By arranging a point bits bite, reducing chip size, and then reducing cutting force needed for work.
In order to dispel the heat better, make jacking cutting tool treat processing axis body uniform force application simultaneously, avoid jacking process generation deflection, avoid jacking cutting tool to tremble shake, improve stable cutting degree, improve processing hole size precision, preferred technical scheme is, described inside and outside, middle bite and point bits bite circumferentially decile are evenly distributed on described cutter hub end face; Wherein, inside and outside bite is oppositely arranged, and middle bite is oppositely arranged with a point bits bite.
In order to avoid jacking cutting tool is trembled shake, improve stable cutting degree, improve processing hole size precision, preferred technical scheme is, the drift angle of the main cutting edge of described outer bite is equal with the drift angle of the main cutting edge of interior bite; The drift angle of the cutting edge of described middle bite is 0 °, and a point bits bite is provided with single pointed tooth, and the center line of pointed tooth is parallel with cutter hub central shaft, and point bits cutting edge is symmetrical along the center line of pointed tooth.
Gap between the outer wall and axis body inwall to be processed of chip blocking jacking cutting tool, and then reduce the horsepower requirements to the motor driving jacking cutting tool, preferred technical scheme is,
Described chip pocket is located at the inwall of described cutter hub; The outer wall of cutter hub is provided with cooling passage, and cooling passage is communicated to described chip area place.
In order to make trepanning tool have enough intensity to overcome the distortion power of axis body to be processed to it, the front end of jacking cutting tool needs adequate thickness, but the weight of the excessive easy increase jacking cutting tool of jacking cutting tool thickness, improve the horsepower of motor.In order to lower the weight of jacking cutting tool, reduce driving force, ensure enough intensity, preferred technical scheme is simultaneously, described cutter hub outer wall is ladder platform structure, and the cutter hub external diameter at one end place at described bite place is greater than the cutter hub external diameter at the other end place at described screw thread place.Further preferred technical scheme is that described cutter hub is also inlaid with guide pad, to avoid jacking process generation deflection.
Described bite and described cutter hub can be monolithic construction.
Be convenient to change after making bite wearing and tearing, reduce costs, preferred technical scheme is, described bite and described cutter hub are split-type structural; Described bite is fixed on tool rest, and tool rest is fixed in the tool rest groove of cutter hub end face.Wherein, preferred technical scheme is further, and the tool rest groove of corresponding described outer bite is located at cutter hub outer wall and end face junction, and outer bite place tool rest has the arc-shaped outer surface identical with this side tool body diameter; The tool rest groove of corresponding described interior bite is located at cutter hub inwall and end face junction, and the tool rest at interior bite place has the arc-shaped inner surface identical with this side tool body internal diameter; The tool rest groove of corresponding described middle bite and described point of bits bite is located in cutter hub end face.Chip can be prevented like this to be deposited in dead angle, to reduce Mary's requirement of motor, reduce cutting force.
Preferably, described bite is indexable mechanical clamped cutting blade.Several cutting edges of each described bite can use in transposition, not only increase the durability of bite, save knife bar material, reduce the cost of charp tool, improve production efficiency, be suitable for producing in enormous quantities, and cutting quality is stablized, the consumed power reducing motor also can be contributed to.Wherein, for better adapting to the work of jacking cutting tool, preferably, described middle bite is selected from the one in T-shaped, L shape, S type, C type blade, described point of bits bite is selected from the one in W type and F type blade, and described interior bite is selected from the one in T-shaped, L shape, S type, C type blade; Described outer bite is selected from the one in L-type, S type, C type, T-shaped blade.Further preferably, described inside and outside, middle bite is T-shaped blade, and described point of bits bite is W type blade.T-shaped and W type blade is adopted to have the both sides contacted with tool rest, stressed more steady when therefore can make blade cut, make jacking cutting tool smooth working.
In order to make stable cutting, preferred technical scheme is, described bite is with its radial direction away from the one end at described cutter hub center for benchmark, and rake face is partial to described cutter hub center and is arranged, and the deviation angle is 2 ~ 3 °; The drift angle of the main cutting edge of described outer bite is 5 ~ 30 °; In, the back angle of domestic and abroad bite and point bits bite is 5 ~ 30 °, cutting anterior angle is 1 ~ 10 °.
The utility model reduces cutting force in the following manner, improves the depth of cut and stock-removing efficiency, improves stable cutting degree.These modes comprise:
1, be assume responsibility for the cutwork of the different circumference of axis body to be processed by interior, domestic and abroad bite, cut more laborsaving.
Being obliquely installed 2, by the cutting edge of inside and outside bite, make inside and outside bite all from the middle part circumference treating jacking part of axis body to be processed gradually jacking, make cutting more steady, can prevent from moving in interior bite, move outside outer bite, improve the precision of processing dimension.
3, be provided with a point bits chip cutter, make chip divide bits to form less size, inhibit chip to block chip area, thus reduce the horsepower requirements to motor, improve stable cutting degree, reduce cutting force.
4, optimize structural parameters and the location parameter of interior, domestic and abroad chip cutter and point bits chip cutter, thus reduce cutting force, raising stable cutting.
5, go out bits mode in employing and carry out chip removal, avoid the gap between the outer wall of chip blocking jacking cutting tool and axis body inwall to be processed, and then reduce the horsepower requirements of motor, improve stable cutting, reduce cutting force.
6, optimize the tool-apron structure for fixing inside and outside bite, eliminate chip and pile up dead angle, reduce the consumed power of motor, make cutting more steady.
Compared with prior art, the advantage of the utility model jacking cutting tool and beneficial effect are:
1, I takes charge of and can process with this jacking cutting tool the deep hole that diameter reaches more than 300mm at present, process only needs the processing that overlaying processing can complete large diameter, deep borehole, reduces labour intensity, decreases the production time, improve speed of production, improve production efficiency and product competitiveness.
2, the clout adopting this jacking cutting tool cover to get off is larger, and other spare and accessory parts range of choices that can be used for processing are larger, substantially increase the utilization rate of material.For the deep hole being 180mm with this jacking cutting tool processing diameter, the clout obtained is the circle material of the nearly 130mm of diameter.
When 3, using this jacking cutting tool, bits powder goes out bits in being, has greatly saved the use of cooling fluid, has decreased waste, and can keep the scene intact environmental sanitation and safety.
4, this jacking cutting tool can process conventional deep hole and small-sized deep hole equally; When processing routine and small-sized deep hole, needed for this jacking cutting tool, nominal torque is little, therefore compared with the jacking cutting tool of routine, has the advantage that economize energy consumes.Certainly, also have above-mentioned for saving cooling fluid during large-diameter deep hole machined, improve stock utilization, be beneficial to the advantages such as environment is clean.
5, easy for installation, the long service life of this jacking cutting tool, changes bite convenient.
6, this jacking cutting tool stable working, required cutting force are little, the depth of cut large, and stock-removing efficiency is high.
Accompanying drawing explanation
Fig. 1 is the perspective view of jacking cutting tool in the utility model;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 be in Fig. 1 guide bracket and tool rest groove dismounting after schematic top plan view;
Fig. 4 is that Fig. 3 partly cuts open schematic diagram along I-I;
Fig. 5 is that the rake face of the outer bite of Fig. 1 is towards partial structurtes schematic diagram during observer;
Fig. 6 is that the rake face of the interior bite of Fig. 1 is towards partial structurtes schematic diagram during observer;
Fig. 7 is that the rake face of the middle bite of Fig. 1 is towards partial structurtes schematic diagram during observer;
Fig. 8 is that the rake face of point bits bite of Fig. 1 is towards partial structurtes schematic diagram during observer;
Fig. 9 is that the rake face of the middle bite of Fig. 1 is towards partial structurtes schematic diagram time right;
Figure 10 is the partial enlarged drawing at A place in Fig. 9.
In figure: 1, cutter hub; 2, outer bite; 3, interior bite; 4, middle bite; 5, bits bite is divided; 6, chip area; 7, chip pocket; 8, guide pad; 9-1,9-2,9-3,9-4, tool rest groove; 10-1,10-2,10-3,10-4, tool rest; 11, screw thread; 12, cooling passage; 21 and 31, main cutting edge; 41, cutting edge; 51, bits cutting edge is divided.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figures 1 to 4, the utility model is a kind of jacking cutting tool, comprises columnar cutter hub 1, and cutter hub 1 one end end face is provided with some bites, and cutter hub 1 other end is provided with the screw thread 11 for connecting, each cutting edge is positioned at the different annular of cutter hub 1 end face, comprise the bite 3 being positioned at inner side annulus, be arranged in the outer bite 2 of outer annular and be positioned at the bite 4 of central circular, the main cutting edge 31 of interior bite 3 extends cutter hub 1 inwall in cutter hub 1 end face, and be obliquely installed to cutter hub 1 other end, the main cutting edge 21 of outer bite 2 extends cutter hub 1 outer wall in cutter hub 1 end face, and be obliquely installed to cutter hub 1 other end, the main cutting edge 31 of interior bite 3 is all arranged on the annulus of bite 4 place or annulus away from the main cutting edge 21 of cutter hub 1 central shaft one end and outer bite 2 by feed body 1 central shaft one end, cutter hub 1 is provided with the chip area 5 of the rake face being communicated to each bite, is circumferentially provided with the chip pocket 7 be communicated with each chip area 6 at the pipe shaft of cutter hub 1.
By in design at least, in, outer bite 3, 4, 2 share cutting output, wherein, in, outer bite 3, 4, the 2 different circumference cutting axis body to be processed respectively, therefore stock-removing efficiency is high, in addition, the main cutting edge 31 of interior bite 3 extends cutter hub 1 inwall in cutter hub 1 end face, be obliquely installed to cutter hub 1 other end, the main cutting edge 21 of outer bite 2 extends cutter hub 1 outer wall in cutter hub 1 end face, be obliquely installed to cutter hub 1 other end, in making like this, outer bite 3, 2 all from the middle part circumference treating jacking part of axis body to be processed gradually jacking, such stable cutting, jacking cutting tool is not easily made to tremble shake, it is high that processing obtains hole size precision.
Chip size is large, easily blocks the gap between axis body to be processed and jacking cutting tool or blocks chip area, increasing power consumption, improve cutting force, and chip can be difficult to fall into chip pocket 7.In order to reduce cutting force, bite also comprises point bits bite 5 of the central circular being positioned at cutter hub 1 end face, and a point bits bite 5 is provided with pointed tooth, and the crown of pointed tooth exceeds the rear knife face of middle bite 4.By arranging a point bits bite 5, reducing chip size, and then reducing cutting force.Point bits cutting edge 51 dividing bits bite 5 can be have monodentate or multiple tooth cutting edge, and it can divide bits to form thinner plurality of fibers chip while being cut by cutting lay.
In order to dispel the heat better, make jacking cutting tool treat processing axis body uniform force application simultaneously, avoid jacking process generation deflection, avoid jacking cutting tool to tremble shake, improve stable cutting degree, improve processing hole size precision, as shown in Figure 2, inside and outside, middle bite 3,2,4 and point bits bite 5 circumferentially decile be evenly distributed on cutter hub 1 end face.Due to outer bite 2 and interior bite 3 be with the axis of axis body to be processed be certain angle of inclination exert a force to axis body to be processed, best inside and outside bite 3,2 is oppositely arranged, middle bite 4 is oppositely arranged with a point bits bite 5, the active force point active force diametrically that processing axis body treated by outer like this bite 2 and interior bite 3 can be offset, and improves stable cutting degree.
In order to avoid jacking cutting tool to tremble shake further, improve stable cutting degree, improve processing hole size precision, as shown in Figure 5 and Figure 6, the drift angle α 2 of the main cutting edge 21 of outer bite 2 is equal with the drift angle α 3 of the main cutting edge 31 of interior bite 3, is 5 ~ 30 °; As shown in Figure 7, the cutting edge 41 of middle bite 4 without drift angle, drift angle α 4 is 0 ° in other words; As shown in Figure 8, a point bits bite 5 is provided with single pointed tooth, α 5=β 5=5 ~ 30 °, drift angle of pointed tooth both sides, and the center line of pointed tooth is parallel with cutter hub central shaft, and point bits cutting edge 51 is symmetrical along the center line of pointed tooth.As shown in Figure 9 and Figure 10, interior bite 3, outer bite 2, middle bite 4, back angle γ 2, the γ 3 of point bits bite 5, γ 4, γ 5 are 5 ~ 30 °, and cutting anterior angle δ 2, δ 3, δ 4, δ 5 are 1 ~ 10 °; So outer, interior, middle bite 2,3,4 and point bits bite 5 are set, are conducive to reducing cutting force, improve cutting output.
In order to make stable cutting, with the radial direction of one end away from cutter hub 1 center of each cutting edge for benchmark, arranged at the rake face of each bite deflection cutter hub 1 center, deviation angle Φ is 2 ~ 30 °, as shown in Figure 2.Chip pocket 7 is preferably crescent, and such chip can more effectively slip into bottom chip pocket does not outwards trickle down.
Gap between the outer wall and axis body inwall to be processed of chip blocking jacking cutting tool, and then reduce the horsepower requirements to the motor driving jacking cutting tool, chip pocket 7 is located at the inwall of cutter hub 1; The mode of chip removal in namely adopting; The horsepower requirements to the motor driving jacking cutting tool can be reduced like this.The outer wall of cutter hub 1 is provided with cooling passage 12, and cooling passage 12 is communicated to chip area 6 place.
In order to make trepanning tool have enough intensity to overcome the distortion power of axis body to be processed to it, the front end of jacking cutting tool needs adequate thickness, but the weight of the excessive easy increase jacking cutting tool of jacking cutting tool thickness, improve motor drive power.In order to lower the weight of jacking cutting tool, reducing driving force, ensureing enough intensity simultaneously, cutter hub 1 outer wall is preferably in ladder platform structure, and cutter hub 1 external diameter at one end place at bite place is greater than cutter hub 1 external diameter at the other end place at screw thread 11 place.Cutter hub 1 is also inlaid with guide pad 8, to avoid jacking process generation deflection.
Bite and cutter hub 1 can be monolithic construction.But be convenient to change bite after making wearing and tearing, reduce costs, bite and cutter hub 1 are split-type structural, as shown in Figures 2 and 3; Interior bite 3, outer bite 2, middle bite 4 and a point bits bite 5 are respectively fixed on tool rest 10-1,10-2,10-3,10-4, and tool rest 10-1,10-2,10-3,10-4 are fixed in tool rest groove 9-1,9-2,9-3,9-4 of cutter hub 1 end face.The fixed form of each bite has upper pressure type, self-locking, elastic compression-type etc., illustrates no longer one by one here.
In order to more convenient installation inside and outside bite 3,2 wherein, prevent chip to be deposited in dead angle simultaneously, reduce the driving force of motor, as depicted in figs. 1 and 2, the tool rest groove 9-1 of corresponding outer bite 2 is located at cutter hub 1 outer wall and end face junction, and outer bite 2 place tool rest 10-1 has the arc-shaped outer surface identical with this side tool body 1 external diameter; In corresponding, the tool rest groove 9-2 of bite 3 is located at cutter hub 1 inwall and end face junction, and the tool rest 10-2 at interior bite 3 place has the arc-shaped inner surface identical with this side tool body 1 internal diameter; In correspondence, tool rest groove 9-3,9-4 of bite 4 and point bits bite 5 are located in cutter hub 1 end face.
When selecting bite, each bite is preferably selected to be indexable mechanical clamped cutting blade, several cutting edges of each so described bite can use in transposition, not only increase the durability of bite, save knife bar material, reduce the cost of charp tool, improve production efficiency, be suitable for producing in enormous quantities, and cutting quality is stablized, also can contribute to the consumed power reducing motor.Wherein, for better adapting to the work of jacking cutting tool, middle bite 4 can be selected from the one in T-shaped (equilateral triangle blade), L shape (rectangle blade), S type (square blade), C type blade (parallelogram blade), point bits bite 5 can be selected from as the one in W type (the convex triangular blade of positive protrusions) and F type blade (the convex triangular blade of amesiality projection), and interior bite 3 can be selected from the one in T-shaped, L shape, S type, C type blade; Outer bite 2 can be selected from the one in L-type, S type, C type, T-shaped blade.In Fig. 1, interior, domestic and abroad bite 3,4,2 is T-shaped blade, and a point bits bite 5 is W type blade.T-shaped and W type blade has the both sides contacted with each tool rest, stressed more steady when therefore can make blade cut, makes jacking cutting tool smooth working.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a jacking cutting tool, is characterized in that, comprises columnar cutter hub, and cutter hub one end end face is provided with some bites, and the cutter hub other end is provided with the screw thread for connecting, each cutting edge is positioned at the different annular of cutter hub end face, comprise the bite being positioned at inner side annulus, be arranged in the outer bite of outer annular and be positioned at the bite of central circular, the main cutting edge of interior bite extends cutter hub inwall in cutter hub end face, and be obliquely installed to the cutter hub other end, the main cutting edge of outer bite extends cutter hub outer wall in cutter hub end face, and be obliquely installed to the cutter hub other end, the main cutting edge of interior bite is all arranged on the annulus of bite place or annulus away from the main cutting edge of cutter hub central shaft one end and outer bite by feed body central shaft one end, cutter hub is provided with the chip area of the rake face being communicated to each bite, is circumferentially provided with the chip pocket be communicated with each chip area at the pipe shaft of cutter hub.
2. jacking cutting tool as claimed in claim 1, is characterized in that, described bite also comprises point bits bite of the central circular being positioned at described cutter hub end face, and a point bits bite is provided with pointed tooth, and the crown of pointed tooth exceeds the rear knife face of described middle bite.
3. jacking cutting tool as claimed in claim 2, is characterized in that, described inside and outside, middle bite and point bits bite circumferentially decile are evenly distributed on described cutter hub end face; Wherein, inside and outside bite is oppositely arranged, and middle bite is oppositely arranged with a point bits bite.
4. jacking cutting tool as claimed in claim 3, it is characterized in that, the drift angle of the main cutting edge of described outer bite is equal with the drift angle of the main cutting edge of interior bite; The drift angle of the cutting edge of described middle bite is 0 °, and a point bits bite is provided with single pointed tooth, and the center line of pointed tooth is parallel with cutter hub central shaft, and point bits cutting edge is symmetrical along the center line of pointed tooth.
5. jacking cutting tool as claimed in claim 4, it is characterized in that, described chip pocket is located at the inwall of described cutter hub; The outer wall of cutter hub is provided with cooling passage, and cooling passage is communicated to described chip area place.
6. jacking cutting tool as claimed in claim 5, it is characterized in that, described cutter hub outer wall is ladder platform structure, and the cutter hub external diameter at one end place at described bite place is greater than the cutter hub external diameter at the other end place at described screw thread place; Described cutter hub is also inlaid with guide pad.
7. jacking cutting tool as claimed in claim 6, it is characterized in that, described bite and described cutter hub are split-type structural; Described bite is fixed on tool rest, and tool rest is fixed in the tool rest groove of cutter hub end face; Wherein, the tool rest groove of corresponding described outer bite is located at cutter hub outer wall and end face junction, and outer bite place tool rest has the arc-shaped outer surface identical with this side tool body diameter; The tool rest groove of corresponding described interior bite is located at cutter hub inwall and end face junction, and the tool rest at interior bite place has the arc-shaped inner surface identical with this side tool body internal diameter; The tool rest groove of corresponding described middle bite and described point of bits bite is located in cutter hub end face.
8. jacking cutting tool as claimed in claim 7, it is characterized in that, described bite is indexable mechanical clamped cutting blade; Wherein, described middle bite is selected from the one in T-shaped, L shape, S type, C type blade, and described point of bits bite is selected from the one in W type and F type blade, and described interior bite is selected from the one in T-shaped, L shape, S type, C type blade; Described outer bite is selected from the one in L-type, S type, C type, T-shaped blade.
9. jacking cutting tool as claimed in claim 8, it is characterized in that, described inside and outside, middle bite is T-shaped blade, and described point of bits bite is W type blade.
10. the jacking cutting tool as described in claim 1 to 9 any one, is characterized in that, described bite is with its radial direction away from the one end at described cutter hub center for benchmark, and rake face is partial to described cutter hub center and is arranged, and the deviation angle is 2 ~ 3 °; The drift angle of the main cutting edge of described outer bite is 5 ~ 30 °; In, the back angle of domestic and abroad bite and point bits bite is 5 ~ 30 °, cutting anterior angle is 1 ~ 10 °.
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|---|---|---|---|
| CN201420354648.4U CN204035636U (en) | 2014-06-30 | 2014-06-30 | A kind of jacking cutting tool |
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| CN201420354648.4U CN204035636U (en) | 2014-06-30 | 2014-06-30 | A kind of jacking cutting tool |
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| CN204035636U true CN204035636U (en) | 2014-12-24 |
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| CN201420354648.4U Expired - Fee Related CN204035636U (en) | 2014-06-30 | 2014-06-30 | A kind of jacking cutting tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148709A (en) * | 2014-06-30 | 2014-11-19 | 江阴乐高能源装备有限公司 | Trepanning tool |
| CN109093167A (en) * | 2017-06-20 | 2018-12-28 | 罗伯特·博世有限公司 | Boring bar tool |
| CN111604510A (en) * | 2020-05-26 | 2020-09-01 | 河北师范大学 | Combined tool for machining stainless steel deep groove |
-
2014
- 2014-06-30 CN CN201420354648.4U patent/CN204035636U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148709A (en) * | 2014-06-30 | 2014-11-19 | 江阴乐高能源装备有限公司 | Trepanning tool |
| CN109093167A (en) * | 2017-06-20 | 2018-12-28 | 罗伯特·博世有限公司 | Boring bar tool |
| CN109093167B (en) * | 2017-06-20 | 2022-03-11 | 罗伯特·博世有限公司 | Drilling tool |
| CN111604510A (en) * | 2020-05-26 | 2020-09-01 | 河北师范大学 | Combined tool for machining stainless steel deep groove |
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