CN104368849A - Welded rod and tool - Google Patents
Welded rod and tool Download PDFInfo
- Publication number
- CN104368849A CN104368849A CN201310353902.9A CN201310353902A CN104368849A CN 104368849 A CN104368849 A CN 104368849A CN 201310353902 A CN201310353902 A CN 201310353902A CN 104368849 A CN104368849 A CN 104368849A
- Authority
- CN
- China
- Prior art keywords
- knife
- handle
- cutter head
- stock
- hole
- Prior art date
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/28—Features relating to lubricating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/408—Spiral grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/40—Flutes, i.e. chip conveying grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
Disclosed are a welded rod and a tool. The welded rod comprises a tool handle blank and a tool bit blank, a first through hole is formed between the two end faces of the handle blank, the tool bit blank is provided with a welding portion disposed and fixedly connected in the first through hole of the tool handle blank. The tool handle blank and the tool bit blank can be machined to form a tool handle and a tool bit respectively, and the rod can form a welded tool. The first through hole formed in the tool handle blank is conducive to tightly joint the welding flux with the tool handle blank and the tool bit blank and the welding flux in the first through hole can be thoroughly cleaned when the tool bit is changed. In addition, coolant can be injected into the first through hole when the tool drills or mills, and the overflow coolant can lower the temperature of the tool.
Description
Technical field
The invention relates to a kind of for holing or the welded type cutter of milling, and in order to be processed into the welded type bar of this welded type cutter.
Background technology
General cutter for cutting can form different cutter head forms according to the difference of function, such as: cutter head be cone-shaped person mostly as the cutter forming boring on machined object, cutter head become flat-head shape person then most as this hole wall of milling further in hole established on machined object to adjust the size of this hole.
The cutter of prior art mainly has a handle of a knife and a cutter head, and this handle of a knife is made with stainless steel, carbon steel or wolfram steel material, and an end indent of this handle of a knife forms a groove, and this cutter head is made with wolfram steel material.During assembling, first heat this handle of a knife, the groove aperture of this handle of a knife is expanded, then again this cutter head is inserted in the groove of this handle of a knife, treat handle of a knife temperature cooling, handle of a knife groove reduce after, can, by clamping for this cutter head in the groove on this cutter top, this handle of a knife and cutter head be made to be combined with each other fixing in friction tight mode.
Above-mentioned cutter in use, is first be clamped and fastened on a board by this handle of a knife, then aims at machined object with this cutter head, then utilizes board to drive solid tool to rotate, this cutter head can be made to hole or milling to this machined object ... etc. machining operation.Wherein, high torsion can be born when carrying out various machining operation under the state of this cutter in high-speed rotation, but be interconnected in friction tight mode due to only simple between the handle of a knife of this cutter and cutter head, therefore in the process of processing, the cutter of the prior art often ruptures because bearing this high torsion, particularly produce in the junction of this handle of a knife and cutter head the phenomenon ruptured, so not only cause the loss of the not good and cutter of processing quality, also easily increase the danger in operation simultaneously.
Summary of the invention
Because problem existing for above-mentioned prior art, the object of the present invention is to provide a kind of welded type bar that can firmly a handle of a knife and a cutter head be combined with each other and cutter.
In order to reach above-mentioned goal of the invention, the present invention proposes a kind of welded type bar, comprising:
One handle of a knife stock, runs through between the front end face of this handle of a knife stock and rear end face and is formed with one first through hole;
One cutter head stock, this cutter head stock has a Ministry of worker to be added and a weld part, and this weld part protrudes the end face being formed at this Ministry of worker to be added, and this weld part is inserted from the front end face of this handle of a knife stock and is fixed in the first through hole of this handle of a knife stock.
Above-mentioned welded type bar can comprise an end cap further, and an end face of this end cap is formed an affixed protuberance protruded, the affixed protuberance of this end cap is fixed on the first through hole of this handle of a knife stock from the rear end face packing of this handle of a knife stock.
Also the second through hole that runs through two opposing end surfaces of this cutter head stock vertically can be formed in the Ministry of worker to be added of above-mentioned cutter head stock and weld part.
The external diameter of this cutter head stock above-mentioned and the external diameter of this handle of a knife stock different.
The external diameter of the Ministry of worker to be added of above-mentioned cutter head stock is identical with the external diameter of weld part
The present invention separately proposes more than one and states the welded type cutter that welded type bar is processed into further, and this welded type cutter comprises:
One handle of a knife, runs through between the front end face of this handle of a knife and rear end face and is formed with one first through hole;
One cutter head, this cutter head has a cutting part and a weld part, and this weld part protrudes the end face being formed at this cutting portion, and this weld part is inserted from the front end face of this handle of a knife and is fixed in the first through hole of this handle of a knife.
The cutting portion of above-mentioned cutter head comprises the spiral helicine helicla flute of multiple tracks.
Above-mentioned handle of a knife can have a clamping shank, one end of this clamping shank extends to form a knife bar portion vertically, the external diameter in this knife bar portion is less than the external diameter of this clamping shank, run through in this clamping shank and knife bar portion and form above-mentioned first through hole, the weld part of above-mentioned cutter head can be inserted from the end face in the knife bar portion of this handle of a knife and be fixed in the first through hole of this handle of a knife.
The outside wall surface in the knife bar portion of above-mentioned handle of a knife can be formed with the spiral helicine helicla flute of multiple tracks, the cutting portion of above-mentioned cutter head can comprise the spiral helicine helicla flute of multiple tracks, and the helicla flute correspondence of this cutter head is communicated with the helicla flute of this handle of a knife.
The affixed protuberance of above-mentioned end cap can be fixed on the first through hole of this handle of a knife from the end face packing of the clamping shank of this handle of a knife.
The external diameter of the cutting portion of above-mentioned cutter head can be identical with the external diameter of weld part.
The second through hole that one runs through two opposing end surfaces of this cutter head vertically can be formed with in the cutting portion of above-mentioned cutter head and weld part.
Above-mentioned welded type cutter can comprise an end cap further, and an end face of this end cap is formed an affixed protuberance protruded, the affixed protuberance of this end cap is fixed on the first through hole of this handle of a knife from the rear end face packing of this handle of a knife.
The invention has the advantages that: first, when in the first through hole weld part of this cutter head stock being fixed on this handle of a knife stock with welding manner, the gas expanded because being heated in first through hole inside of this handle of a knife stock can be discharged from the rear end face of handle of a knife stock, oppositely the solder around the weld part of this cutter head stock can not be pushed out the first through hole of this handle of a knife stock, therefore this cutter head stock can be made closely to engage with the joint of handle of a knife stock; Secondly, as long as heat the junction of this cutter head and handle of a knife, make the solder fusing of this cutter head of connection and handle of a knife, then pour into gases at high pressure from first through hole of rear end face to this handle of a knife of this handle of a knife again or insert thimble, gas pressure or thimble can be utilized this cutter head and solder to be pushed out the first through hole of this handle of a knife, to be installed on this handle of a knife by another cutter head; Moreover, when this cutter carry out holing or milling operation time, also from the rear end face of this handle of a knife, cooling fluid can be injected this first through hole, again along the outside wall surface cross flow of this handle of a knife after making this cooling fluid overflow from the rear end face of this handle of a knife, or flow out from the second through hole of cutter head, and then reduce the temperature of this cutter.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the three-dimensional exploded view of the first preferred embodiment of welded type bar of the present invention.
Fig. 2 is the side cutaway view of the first preferred embodiment of welded type bar of the present invention.
Fig. 3 is the three-dimensional exploded view of the first preferred embodiment of welded type cutter of the present invention, the welded type cutter of wherein this first preferred embodiment be utilize this first preferred embodiment welded type bar made by.
Fig. 4 is the side-looking fragmentary cross-sectional view of the first preferred embodiment of welded type cutter of the present invention.
Fig. 5 is the three-dimensional exploded view of the second preferred embodiment of welded type bar of the present invention.
Fig. 6 is the side cutaway view of the second preferred embodiment of welded type bar of the present invention.
Fig. 7 is the side-looking fragmentary cross-sectional view of the second preferred embodiment of welded type cutter of the present invention.
Fig. 8 is the three-dimensional exploded view of the 3rd preferred embodiment of welded type bar of the present invention.
Fig. 9 is the side cutaway view of the 3rd preferred embodiment of welded type bar of the present invention.
Figure 10 is the side-looking fragmentary cross-sectional view of the 3rd preferred embodiment of welded type cutter of the present invention, the welded type cutter of wherein the 3rd preferred embodiment be utilize the 3rd preferred embodiment welded type bar made by.
Figure 11 is the three-dimensional exploded view of the 4th preferred embodiment of welded type bar of the present invention.
Figure 12 is the side cutaway view of the 4th preferred embodiment of welded type bar of the present invention.
Figure 13 is the side-looking fragmentary cross-sectional view of the 4th preferred embodiment of welded type cutter of the present invention.
Main element label declaration:
10,10A, 10B, 10C bar
11,11A handle of a knife stock R1 external diameter
111 first through holes 12,12A, 12B, 12C cutter head stock
R2 external diameter 121,121B, 121C weld part
122,122B, 122C Ministry of worker to be added
123C second through hole 13 end cap
131 affixed protuberances 20,20A, 20B, 20C cutter
21,21A, 21C handle of a knife 211 clamps shank
212 knife bar portion 213 helicla flutes
22,22A, 22B, 22C cutter head
221,221B, 221C cutting portion
222 helicla flutes
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
Shown in Fig. 1 and Fig. 2, be the first preferred embodiment of welded type bar 10 of the present invention, this welded type bar 10 comprises handle of a knife stock 11, cutter head stock 12 and an end cap 13.
The profile of this handle of a knife stock 11 is roughly bar shape and stainless steel, carbon steel or wolfram steel material can be utilized to make, this handle of a knife stock 11 has a front end face and a rear end face, run through formation one first through hole 111 between the front end face of this handle of a knife stock 11 and rear end face vertically, the aperture length of the first through hole 111 of this handle of a knife stock 11 is 1/1 to four/2nd of the outer diameter length of this handle of a knife stock 11 is preferred proportion.
This cutter head stock 12 is located at the front end face of this handle of a knife stock 11, this cutter head stock 12 can utilize wolfram steel, polycrystalline diamond, cubic boron nitride or pottery ... make Deng high-hardness, this cutter head stock 12 has the Ministry of worker 122 to be added and a weld part 121, this Ministry of worker 122 to be added is roughly in bar shape, this weld part 121 protrudes the end face being formed at this Ministry of worker 122 to be added, this weld part 121 is placed in the first through hole 111 of this handle of a knife stock 11 from the front end face of this handle of a knife stock 11, and utilize solder technology to be combined with each other fixing by solder by the outside wall surface of the weld part 121 of the internal face in the first through hole 111 of this handle of a knife stock 11 and this cutter head stock 12, and then this cutter head stock 12 is engaged the front end face being fixed on this handle of a knife stock 11.
This end cap 13 is located at the rear end face of this handle of a knife stock 11, one end face of this end cap 13 is formed an affixed protuberance 131 protruded, the affixed protuberance 131 of this end cap 13 is fixed on the first through hole 111 of this handle of a knife stock 11 from the rear end face of this handle of a knife stock 11 with friction tight mode packing.
In the specific embodiment of the present invention, this handle of a knife stock 11 forms cylindrical shape respectively with the Ministry of worker to be added 122 of cutter head stock 12, first through hole 111 of this handle of a knife stock 11 is the hole of circular cross-section, and the weld part 121 of this cutter head stock 12 and the affixed protuberance 131 of end cap 13 form the cylinder matched with this first through hole 111 respectively.In addition, this handle of a knife stock 11 also can be formed as polygon bar shape with the Ministry of worker to be added 122 of cutter head stock 12, it is polygonal hole that first through hole 111 of this handle of a knife stock 11 also can be formed as section, and the weld part 121 of this cutter head stock 12 and the affixed protuberance 131 of end cap 13 are then corresponding respectively forms the polygon post matched with this first through hole 111.
Above-mentioned welded type bar 10 can be processed into a welded type cutter further, wherein, this handle of a knife stock 11 can be all drilling tool or milling cutter tool according to the type of the cutter that will be formed with the width size of the length ratio of cutter head stock 12 and the weld part 121 of this cutter head stock 12 ... adjust Deng cutting tool.
Shown in Fig. 3 and Fig. 4, for by the welded type bar 10 of the above-mentioned first preferred embodiment further welded type cutter 20 of one first preferred embodiment made of machining, this welded type cutter 20 comprises handle of a knife 21, cutter head 22 and said end cap 13, wherein:
This handle of a knife 21 carries out machining formation to above-mentioned handle of a knife stock 11, this handle of a knife 21 has a clamping shank 211, one end of this clamping shank 211 extends to form a knife bar portion 212 vertically, the external diameter in this knife bar portion 212 is less than the external diameter of this clamping shank 211, and the outside wall surface in this knife bar portion 212 is formed with the helicla flute 213 of multiple tracks helical form winding, run through the first through hole 111 forming above-mentioned handle of a knife stock 11 in this clamping shank 211 and knife bar portion 212;
This cutter head 22 is processed to form made by a cutting part 221 to the Ministry of worker to be added 122 of above-mentioned cutter head stock 12, one end face of this cutting portion 221 is formed with aforementioned weld part 121, this cutting portion 221 can comprise the helicla flute 222 of multiple tracks helical form winding, helicla flute 222 correspondence of this cutter head 22 is communicated with the helicla flute 213 of this handle of a knife 21, and the weld part 121 of this cutter head 22 is inserted from the end face in the knife bar portion 212 of this handle of a knife 21 and is fixedly welded on the first through hole 111 of this handle of a knife 21;
The affixed protuberance 131 of this end cap 13 is fixed on the first through hole 111 of this handle of a knife 21 from the end face of the clamping shank 211 of this handle of a knife 21 with friction tight mode packing.
Shown in Fig. 5 and Fig. 6, for second preferred embodiment of welded type bar 10A of the present invention, wherein, the external diameter R2 of this cutter head stock 12A and the external diameter R1 of this handle of a knife stock 11A is different, specifically, the external diameter R2 of this cutter head stock 12A is greater than the external diameter R1 of this handle of a knife stock 11A, in addition, the handle of a knife stock 11A of this second preferred embodiment is identical with the affixed mode of cutter head stock 12 with the handle of a knife stock 11 of the affixed mode of cutter head stock 12A and aforementioned first preferred embodiment, does not repeat them here.
Shown in Fig. 7, be second preferred embodiment of welded type cutter 20A of the present invention, wherein: the first through hole 111 being formed with above-mentioned handle of a knife stock 11 between a front end face of this handle of a knife 21A and a rear end face; This cutter head 22A forms the length stock body close with this handle of a knife 21A, and the weld part 121 of this cutter head 22A is inserted from the front end face of this handle of a knife 21A and is fixedly welded on first through hole 111 of this handle of a knife 21A.
Shown in Fig. 8 and Fig. 9, for the 3rd preferred embodiment of welded type bar 10B of the present invention, wherein, the external diameter of the Ministry of worker 122B to be added of this cutter head stock 12B is identical with the external diameter of weld part 121B, makes this cutter head stock 12B form the body of rod of an even thickness.
Shown in Figure 10, for the welded type cutter 20B of one the 3rd preferred embodiment that the further machining of welded type bar 10B of above-mentioned 3rd preferred embodiment is made, wherein, the cutter head 22B of this welded type cutter 20B is processed to form cutting portion 221B to the work area 122B to be added of the cutter head stock 12B of above-mentioned 3rd preferred embodiment, the external diameter of the cutting portion 221B of this cutter head 22B is identical with the external diameter of weld part 121B, makes this cutter head 22B form the body of rod of an even thickness.
Shown in Figure 11 and Figure 12, for the 4th preferred embodiment of welded type bar 10C of the present invention, wherein, the second through hole 123C that runs through two opposing end surfaces of this cutter head stock 12C vertically is also formed with in the Ministry of worker 122C to be added of this cutter head stock 12C and weld part 121C.
Shown in Figure 13, for the welded type cutter 20C of one the 4th preferred embodiment that the further machining of welded type bar 10C of above-mentioned 4th preferred embodiment is made, wherein, the cutter head 22C of this welded type cutter 20C is processed to form cutting portion 221C to the Ministry of worker 122C to be added of the cutter head stock 12C of above-mentioned 4th preferred embodiment, is formed with the second through hole 123C of aforementioned cutter head stock 12C in the cutting portion 221C of this cutter head 22C and weld part 121C.
By design as above, when by this cutter head stock 12, 12A, 12B, the weld part 121 of 12C, 121B, 121C is fixedly welded on this handle of a knife stock 11, time in first through hole 111 of 11A, this handle of a knife stock 11, the gas expanded because being heated in first through hole 111 inside of 11A can from handle of a knife stock 11, the rear end face of 11A is discharged, to avoid when the corresponding handle of a knife stock 11 of this first through hole 111, when one end of the rear end face of 11A is for closing, this the first through hole 111 internal cause temperature raises and the high pressure gas of volumetric expansion is known from experience cutter head stock 12, 12A, 12B, the weld part 121 of 12C, 121B, the problem of this first through hole 111 pushed out by solder around 121C, also can whereby in handle of a knife stock 11, the design of the first through hole 111 is formed in 11A, make this cutter head stock 12, 121B, 121C and handle of a knife stock 11, the joint of 11A can closely engage,
Secondly, when this cutter 20, 20A, 20B, the cutter head 22 of 20C, 22A, 22B, after 22C damages because passing through use for a long time, operator first can unload this end cap 13, again to this cutter head 22, 22A, 22B, 22C and handle of a knife 21, the junction of 21A is heated, make this cutter head 22 of connection, 22A, 22B, 22C and handle of a knife 21, the solder fusing of 21A, then again from this handle of a knife 21, the rear end face of 21A is to this handle of a knife 21, first through hole 111 of 21A pours into gases at high pressure or inserts thimble, can by this cutter head 22, 22A, 22B, this the first through hole 111 pushed out by 22C and solder, in order to the follow-up cutter head 22A that can firmly replace again, the weld part 121 of 22B, 121B is fixedly welded on this handle of a knife 21A, in first through hole 111 of 22B,
Moreover, when utilize the cutter 20 of the aforementioned first to the 3rd preferred embodiment, 20A, 20B carry out holing or milling operation time, this end cap 13 also can unload by operator, and from the rear end face of this handle of a knife 21,21A, cooling fluid is injected this first through hole 111, again along the outside wall surface of this handle of a knife 21,21A towards the direction cross flow of this cutter head 22,22A, 22B after making this cooling fluid overflow from the rear end face of this handle of a knife 21,21A, so reduce this cutter head 22, the high temperature that 22A, 22B produce because of friction, high heat.And when utilize the cutter 20C of aforementioned 4th preferred embodiment to carry out to hole or milling operation time, the cooling fluid injected from the rear end face of this handle of a knife 21C can flow directly into the second through hole 123C of this cutter head 22C from first through hole 111 of this handle of a knife 21C, flow out from the front end of this cutter head 22C again, and then reach the object of the temperature reducing this cutter 20C.
The above is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, in the scope not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (14)
1. a welded type bar, is characterized in that, this welded type bar comprises a handle of a knife stock and a cutter head stock, wherein:
Run through between the front end face of this handle of a knife stock and rear end face and be formed with one first through hole;
This cutter head stock has a Ministry of worker to be added and a weld part, and this weld part protrudes the end face being formed at this Ministry of worker to be added, and this weld part is inserted from the front end face of this handle of a knife stock and is fixed in the first through hole of this handle of a knife stock.
2. welded type bar as claimed in claim 1, it is characterized in that, this welded type bar comprises an end cap further, and an end face of this end cap is formed an affixed protuberance protruded, the affixed protuberance of this end cap is fixed on the first through hole of this handle of a knife stock from the rear end face packing of this handle of a knife stock.
3. welded type bar as claimed in claim 1, is characterized in that, be formed with the second through hole that runs through two opposing end surfaces of this cutter head stock vertically in the Ministry of worker to be added of this cutter head stock and weld part.
4. welded type bar as claimed in claim 2, is characterized in that, be formed with the second through hole that runs through two opposing end surfaces of this cutter head stock vertically in the Ministry of worker to be added of this cutter head stock and weld part.
5. the welded type bar according to any one of Claims 1-4, is characterized in that, the external diameter of this cutter head stock and the external diameter of this handle of a knife stock different.
6. the welded type bar according to any one of Claims 1-4, is characterized in that, the external diameter of the Ministry of worker to be added of this cutter head stock is identical with the external diameter of this weld part.
7. with the welded type cutter that the welded type bar according to any one of Claims 1-4 is processed into, it is characterized in that, this welded type cutter comprises a handle of a knife and a cutter head, wherein:
Run through between the front end face of this handle of a knife and rear end face and be formed with one first through hole;
This cutter head has a cutting part and a weld part, and this weld part protrudes the end face being formed at this cutting portion, and this weld part is inserted from the front end face of this handle of a knife and is fixed in the first through hole of this handle of a knife.
8. welded type cutter as claimed in claim 7, it is characterized in that, the cutting portion of this cutter head comprises the spiral helicine helicla flute of multiple tracks.
9. welded type cutter as claimed in claim 7, it is characterized in that: this handle of a knife has a clamping shank, one end of this clamping shank extends to form a knife bar portion vertically, the external diameter in this knife bar portion is less than the external diameter of this clamping shank, runs through forming this first through hole in this clamping shank and this knife bar portion; The weld part of this cutter head is inserted from the end face in the knife bar portion of this handle of a knife and is fixed in the first through hole of this handle of a knife.
10. welded type cutter as claimed in claim 9, it is characterized in that, the outside wall surface in the knife bar portion of this handle of a knife is formed with the spiral helicine helicla flute of multiple tracks, the cutting portion of this cutter head comprises the spiral helicine helicla flute of multiple tracks, and the helicla flute correspondence of this cutter head is communicated with the helicla flute of this handle of a knife.
11. welded type cutters as claimed in claim 7 or 8, it is characterized in that, the external diameter of the cutting portion of this cutter head is identical with the external diameter of this weld part.
12. welded type cutters according to any one of claim 7 to 10, is characterized in that, be formed with the second through hole that runs through two opposing end surfaces of this cutter head vertically in the cutting portion of this cutter head and weld part.
13. welded type cutters as claimed in claim 11, is characterized in that, are formed with the second through hole that runs through two opposing end surfaces of this cutter head vertically in the cutting portion of this cutter head and weld part.
14. welded type cutters according to any one of claim 7 to 10, it is characterized in that, this welded type cutter comprises an end cap further, one end face of this end cap is formed an affixed protuberance protruded, the affixed protuberance of this end cap is fixed on the first through hole of this handle of a knife from the rear end face packing of this handle of a knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353902.9A CN104368849A (en) | 2013-08-14 | 2013-08-14 | Welded rod and tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353902.9A CN104368849A (en) | 2013-08-14 | 2013-08-14 | Welded rod and tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104368849A true CN104368849A (en) | 2015-02-25 |
Family
ID=52548187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310353902.9A Pending CN104368849A (en) | 2013-08-14 | 2013-08-14 | Welded rod and tool |
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| CN (1) | CN104368849A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382309A (en) * | 2015-12-15 | 2016-03-09 | 常州市海力工具有限公司 | Superlight deep hole alloy drill |
| CN113020927A (en) * | 2021-03-10 | 2021-06-25 | 厦门鸿鹭联创工具有限公司 | PCB milling cutter forming and recycling method |
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| CN113020927A (en) * | 2021-03-10 | 2021-06-25 | 厦门鸿鹭联创工具有限公司 | PCB milling cutter forming and recycling method |
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