CN203091828U - Combined milling cutter - Google Patents
Combined milling cutter Download PDFInfo
- Publication number
- CN203091828U CN203091828U CN 201320084050 CN201320084050U CN203091828U CN 203091828 U CN203091828 U CN 203091828U CN 201320084050 CN201320084050 CN 201320084050 CN 201320084050 U CN201320084050 U CN 201320084050U CN 203091828 U CN203091828 U CN 203091828U
- Authority
- CN
- China
- Prior art keywords
- hole
- contiguous block
- combined type
- withdrawing
- milling cutter
- 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.)
- Expired - Fee Related
Links
- 238000003801 milling Methods 0.000 title claims abstract description 50
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 11
- 125000003003 spiro group Chemical group 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 238000013461 design Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Milling Processes (AREA)
- Drilling Tools (AREA)
Abstract
A combined milling cutter comprises a cutter handle, a connecting block, a cutting edge and a shaft bolt, wherein the lower end of the cutter handle is provided with a conical hole, the upper end surface of the cutter handle is provided with a through hole communicated with the conical hole, the connecting block is axially movably arranged in the through hole, the upper end of the connecting block is provided with a screw hole, the lower end of the connecting block is provided with an embedding groove penetrating through two opposite side surfaces, the width of a notch of the embedding groove is smaller than that of the bottom of the groove, the cutting edge can be used for milling a workpiece, the upper end surface of the cutting edge is convexly provided with an embedding section which can be embedded into the conical hole, the peripheral surface of the embedding section is arranged into a conical surface corresponding to the conical hole, the upper end surface of the embedding section is provided with an embedding block which is correspondingly shaped and can be separately embedded into the embedding groove, the shaft bolt is provided with a shaft rod and a head which is arranged at the upper end of the shaft rod and has a larger, the thread on the thread part is a right-handed thread; therefore, the composite material has the effects of reducing cost and having good bonding strength.
Description
Technical field
The utility model is about the technical field of a kind of combined type milling cutter aspect, refer to especially a kind of have reduce cost and the combined type milling cutter of the good effect of bond strength.
Background technology
See also shown in Figure 1ly, point out that early stage milling cutter construction mainly is directly to go out several spiral grooves to form handle of a knife section 10 that grips for toolroom machine and the blade section 11 that is used for the milling work package in the front end one machine-shaping of the wolfram steel bar of a round bar shape.Yet, adding man-hour in milling is that only blade section 11 can be carried out milling processing to work package, therefore only need this blade section 11 to make for its milling effect of raising, and use the handle of a knife section 10 that grips for toolroom machine need not use this hardness and the high wolfram steel of cost by wolfram steel material with higher hardness.So the handle of a knife section 10 of this wolfram steel material just forms waste, and make the cost of milling cutter high, the relative price that causes it is also very high.
See also shown in Figure 2, in order to improve the problem that above-mentioned milling cutter construction produces, just develop the milling cutter construction that a kind of tool made from mixed materials, it mainly is the milling cutter that has handle of a knife section 12 and blade section 13 based on the one that common iron is made, and forms the hardened layer 14 of wolfram steel or other hard material then in the surface of this blade section 13 in surperficial cure process mode.So just the body of the larger volume that can make by this common iron and significantly save its material cost, and also can make this blade section 13 have enough hardness by hardened layer.Yet, desire on the surface of the blade section 13 of common iron one end, to carry out surperficial hardening heat and handle very trouble, and also unusual height of cost, so its cost of manufacture on the whole is still very high.
See also shown in Figure 3ly, in order to improve above-mentioned two kinds of shortcomings that the milling cutter cost is too high, have dealer's development and Design to go out a kind of combined type milling cutter in recent years especially, it mainly comprises the blade 16 that handle of a knife 15 that common iron is made and wolfram steel material are made.Be provided with screw 17 in the lower surface of this handle of a knife 15, convex with double-screw bolt 18 in the upper surface of this blade 16 and be located in the screw 17 of this handle of a knife 15 for spiral shell.So just the handle of a knife 15 that can make by this common iron and significantly save its material cost, and the blade 16 that also can make by the wolfram steel material and make it have good milling effect.Yet, because handle of a knife 15 is big with the difference of hardness distance of blade 16, and in the screw 17 with double-screw bolt 16 on thread system little, the therefore situation that easily collapses tooth of the thread in this screw 17 in use, and then can badly influence its bond strength because of the pressure of the thread on this double-screw bolt 18.
In view of this, this creator is at the problems referred to above, and deeply design, and the active research improvement has a fling at and development and Design goes out this creation.
Summary of the invention
Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, provide a kind of combined type milling cutter with effects such as reduce cost and bond strength is good.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of combined type milling cutter, comprise handle of a knife and blade, and be characterized in: also comprise contiguous block and axle bolt, this handle of a knife lower surface has bellmouth, and the upper surface has the perforation that communicates with this bellmouth; This contiguous block is located in this perforation with moving axially, and the upper surface of this contiguous block has screw, and the lower surface has the caulking groove that penetrates into two relative side, and the width of rebate of this caulking groove is less than bottom land; This blade is for being used for the milling workpiece, its upper surface convexes with the interlocking section for embedding in this bellmouth, the side face of this interlocking section is set as and the corresponding conical surface shape of this bellmouth, and it is corresponding and embed abaculus in this caulking groove separably that the upper surface of this interlocking section has shape; This bolt has axostylus axostyle and position in this axostylus axostyle upper end and the head of the big external diameter of tool, and this axostylus axostyle is arranged in this perforation and this bellmouth, and its side face bottom has the threaded portion for being arranged in the screw of this contiguous block, and the screw thread on this threaded portion is a right-handed thread.
Described milling cutter more comprises the withdrawing assembly, wherein the side face upper end of this handle of a knife has the withdrawing thread segment, screw thread on this withdrawing thread segment is a left hand thread, the upper surface of the head of this bolt has the polygon groove and inserts to drive its rotation for turning tool, the lower surface of this withdrawing assembly has the withdrawing screw and establishes for this withdrawing thread segment spiral shell, the upper surface has through hole and penetrates into this withdrawing screw, and this through hole passes for this turning tool.
Described milling cutter more comprises pad, and this pad is on the axostylus axostyle that the ring plate shape is set in this bolt, and is sandwiched between the head and this handle of a knife of this bolt.
The lower end of described perforation has the through hole that communicates with this bellmouth, and this through hole is to be the taper of extension from this bellmouth upper end, and for holding this contiguous block in wherein moving axially.
The side face of described contiguous block is set as and the corresponding conical surface shape of this through hole.
Described contiguous block is cylindric, and is the upper end of external diameter less than the taper interlocking section of this blade.
The lower end of described perforation has the through hole that communicates with this bellmouth, and this through hole is cylindric, and this contiguous block is cylindric and can axially moves in this through hole.
Described blade is made by wolfram steel, and this handle of a knife, this contiguous block and this bolt are made by common iron.
Described caulking groove is a dovetail groove.
Described axostylus axostyle has straight bar section and spiro rod section, and this straight bar section extends from the bottom surface of this head, and this spiro rod section extends from the lower end of this straight bar section, and this threaded portion is located at the bottom of this spiro rod section.
The side face of described withdrawing assembly has several and supplies a clamping device clamping with the plane with its turn.
So, by the separable design of this blade, just can utilize the high materials of hardness such as wolfram steel to make blade, so that it has good milling effect, members such as this handle of a knife, this contiguous block and this bolt then are to be made by the lower common iron of cost, to reach the purpose that significantly reduces cost.Especially, utilizing the abaculus of this blade to embed the structure of this caulking groove, is can be bigger because of thickness because of the caulking groove two side of this abaculus and this connecting block, and makes that in the difference of hardness of this blade and this contiguous block when big, it does not still have the situation of bursting apart and takes place.And, more,, therefore, have preferable bond strength so the thread that reaches on this threaded portion in this screw does not have especially because of the excessive situation about crumbling of difference of hardness distance because this contiguous block and this bolt can be made by identical material.
Description of drawings
Fig. 1 is the generalized section of known integral type milling cutter.
Fig. 2 is the generalized section of another kind of known integral type milling cutter.
Fig. 3 is the generalized section of the box-like milling cutter of another known group.
Fig. 4 is the perspective exploded view of the utility model first embodiment.
Fig. 5 is the plane decomposing schematic representation of the utility model first embodiment.
Fig. 6 is the solid combination schematic diagram of the utility model first embodiment.
Fig. 7 is the combination generalized section of the utility model first embodiment.
Fig. 8 is the assembling schematic diagram of the withdrawing assembly of the utility model first embodiment.
Fig. 9 is the combination generalized section of the withdrawing assembly of the utility model first embodiment.
Figure 10 is the tool backlash movement schematic diagram of the utility model first embodiment.
Figure 11 is second embodiment of the present utility model.
Figure 12 is the 3rd embodiment of the present utility model.
Figure 13 is the perspective exploded view of the 4th embodiment of the present utility model.
Figure 14 is the combination generalized section of the 4th embodiment of the present utility model.
Label declaration
Handle of a knife section 10,12 blade sections 11,13
Hardened layer 14 handle of a knifes 15,20
Double-screw bolt 18 bellmouths 21
22 through holes 220 of boring a hole
Cutting edge 42 interlocking sections 43
44 bolts 50 of abaculus
Axostylus axostyle 51 heads 52
Threaded portion 55 polygon grooves 56
Plane 71 withdrawing screws 72
Through hole 73 turning tools 80
Knife bar 20a
The specific embodiment
See also Fig. 4 to shown in Figure 7, be first embodiment of combined type milling cutter described in the utility model, point out that wherein this combined type milling cutter comprises handle of a knife 20, contiguous block 30, blade 40, axle bolt 50 and pad 60.Wherein:
The bellmouth 21 of the lower end mask of this handle of a knife 20, the upper surface has perforation 22, the through hole 220 that the lower end of this perforation 22 has is for communicating with this bellmouth 21, and the tapering of this bellmouth 21 is about 1.5 degree, and this through hole 220 is the taper (be tapering also be about 1.5 degree) of extension from these bellmouth 21 upper ends.
This contiguous block 30 can be located in this through hole 220 with moving axially, and its side face is conical surface shape, and the tapering of this conical surface is about 1.5 degree.The upper surface of this contiguous block 30 has screw 31, and the lower surface has the caulking groove 32 that penetrates into two relative side, and this caulking groove 32 is the dovetail groove of width of rebate less than bottom land.In addition, this caulking groove 32 also can be other shapes such as T font groove.
The side face of this blade 40 has by upwardly extending several spiral grooves 41 in lower end, is formed with several cutting edges that is used for the milling workpiece 42 between these several spiral grooves 41.The upper surface of this blade 40 convexes with interlocking section 43 can be for embedding in this bellmouth 21, and should interlocking sections 43 side face be set as conical surface shape, the tapering of this conical surface is about 1.5 and spends.The upper surface of this interlocking section 43 has corresponding with the shape of caulking groove 32 and embeds abaculus 44 in this caulking groove 32 separably.
This bolt 50 has axostylus axostyle 51 and position in these axostylus axostyle 51 upper ends and the head 52 of the big external diameter of tool.This axostylus axostyle 51 has straight bar section 53 and spiro rod section 54, and this straight bar section 53 extends from the bottom surface of this head 52, the lower end that this spiro rod section 54 extends from this straight bar section 53.The threaded portion 55 of the side face bottom tool of this spiro rod section 54 can be for being arranged in the screw 31 of this contiguous block 30, and the screw thread on this threaded portion 55 is a right-handed thread.The upper surface of this head 52 has polygon groove 56(such as hexagon groove etc.) can supply a turning tool 80(such as die nut etc.) insert to be used for for driving this bolt 50 rotations.This pad 60 is the ring plate shape, is set on the axostylus axostyle 51 of this bolt 50, and is sandwiched between the upper surface of this head 52 and this handle of a knife 20.
Because blade 40 of the present utility model is set as separable design, therefore just can utilize the high material of hardness such as wolfram steel to make this blade 40, so that it has good milling effect, members such as this handle of a knife 20, this contiguous block 30 and this bolt 50 then just can be made by lower-cost common iron, therefore can reach the purpose that significantly reduces cost.Especially, the caulking groove 32 that utilizes the abaculus 44 of this blade 40 to embed these contiguous blocks 30 reaches the purpose of winding, system can have bigger thickness because of the two side of the caulking groove 32 of this abaculus 44 and this connecting block 30, and make and add man-hour in milling, even this blade 40 is big with the difference of hardness distance of this contiguous block 30, does not still have the situation of bursting apart and take place.And, more since this contiguous block 30 and this bolt 50 can make by identical material, so the thread that reaches on this threaded portion 55 in this screw 31 does not have especially because of the material difference causes difference of hardness apart from excessive situation about crumbling, therefore milling cutter of the present utility model has preferable bond strength.
See also Fig. 8 to shown in Figure 10, point out that combined type milling cutter described in the utility model more comprises withdrawing assembly 70.Wherein:
The side face upper end of this handle of a knife 20 has withdrawing thread segment 23, and the screw thread on this withdrawing thread segment 23 is a left hand thread.
The side face of this withdrawing assembly 70 has several planes 71 can be clamped for its turn for a clamping device (not shown), and for example this withdrawing assembly 70 can be quadrangle cylinder, hexagon cylinder etc.The lower surface of this withdrawing assembly 70 has withdrawing screw 72 and can establish for these withdrawing thread segment 23 spiral shells, the upper surface has has through hole 73 to penetrate into this withdrawing screw 72, the aperture of this through hole 73 is less than the external diameter of the head 52 of this bolt 50, and and can pass for this turning tool 80.
In this Fig. 7, point out, this combined type milling cutter transfers to milling in dextrorotation and adds man-hour, this blade 40 bears the counterclockwise reaction force from workpiece, and this blade 40 can should pass to this contiguous block 30 by counterclockwise reaction force with the engomphosis relation of this caulking groove 32 by this abaculus 44.And the contiguous block 30 under this counterclockwise reaction force can be pulled inward in this bellmouth 21 because of the screw togather relation of this screw 31 with the threaded portion 55 of the right-handed thread of axle bolt 50, make the packing of fitting mutually of the hole wall of the taper side face of interlocking section 43 of this contiguous block 30 and this blade 40 and this bellmouth 21, and form self-locking close-fitting state.
Point out that in this Figure 10 when desiring withdrawing, the withdrawing screw 72 with this withdrawing assembly 70 is arranged on the withdrawing thread segment 23 of this handle of a knife 20 earlier.Utilize this turning tool 80 to pass this through hole 73 then and embed in the polygon groove 56 of these bolt 50 upper ends and and rotate counterclockwise it, the threaded portion 55 that makes this bolt 50 is by outwards screwing out in this screw 31, up to the end face packing of the head 52 of this bolt 50 bottom surface at this withdrawing screw 72.Continue this bolt 50 of turn counterclockwise again this moment and rotate counterclockwise, or directly utilizing this clamping device (not shown) to clamp this withdrawing assembly 70 rotates counterclockwise to drive this withdrawing assembly 70 by friction.Then this withdrawing assembly 70 just can be because of the relation that screws togather of withdrawing thread segment 23 with this withdrawing screw 72 of this left hand thread, and on this handle of a knife 20 towards the direction precession of this blade 40.Like this head 52 that this withdrawing assembly 70 just can this bolt 50 of pushing tow so that the lower end of this bolt 50 releases this contiguous block 30 and this blade 40 to the opening direction of this bellmouth 21, and then is removed the state of its self-locking close-fitting.This moment just easily this blade 40 of turn break away from these bolts 50 with this contiguous block of interlock 30, and then reach the purpose of tool changing.
See also shown in Figure 11ly, be second embodiment of the present utility model, its structure and first embodiment are roughly the same, and difference is that the contiguous block 30 of second embodiment is cylindric, and its external diameter is less than the upper end of the taper interlocking section 43 of this blade 40.
See also shown in Figure 12, be the 3rd embodiment of the present utility model, its structure and first embodiment are roughly the same, and difference is that the through hole 220 of the 3rd embodiment is cylindric, this contiguous block 30 is the cylindric of corresponding this through hole 220, and can axially move in this through hole 220.
See also Figure 13 and shown in Figure 14, be the 4th embodiment of the present utility model, wherein point out, this handle of a knife 20 also can be the shape of the handle of a knife of known automatic processing machine, contiguous block 30 just of the present utility model, blade 40, axle bolt 50 also can directly be applied on the handle of a knife of known automatic processing machine, wherein the aperture of the perforation 22 of this handle of a knife 20 is big than this through hole 220, make the head 52 that can supply to hold this bolt 50, and the upper end of this perforation 22 can supply screw lock knife bar 20a.This through hole 220 is cylindric, can pass for the axostylus axostyle 51 of this bolt 50.
In sum, owing to the utlity model has above-mentioned advantage and practical value, and there is no similar products deliver in like product, so met the application important document of novel patent, be to file an application in accordance with the law.
Claims (11)
1. a combined type milling cutter comprises handle of a knife and blade, it is characterized in that: also comprise contiguous block and axle bolt, this handle of a knife lower surface has bellmouth, and the upper surface has the perforation that communicates with this bellmouth; This contiguous block is located in this perforation with moving axially, and the upper surface of this contiguous block has screw, and the lower surface has the caulking groove that penetrates into two relative side, and the width of rebate of this caulking groove is less than bottom land; This blade is for being used for the milling workpiece, its upper surface convexes with the interlocking section for embedding in this bellmouth, the side face of this interlocking section is set as and the corresponding conical surface shape of this bellmouth, and it is corresponding and embed abaculus in this caulking groove separably that the upper surface of this interlocking section has shape; This bolt has axostylus axostyle and position in this axostylus axostyle upper end and the head of the big external diameter of tool, and this axostylus axostyle is arranged in this perforation and this bellmouth, and its side face bottom has the threaded portion for being arranged in the screw of this contiguous block, and the screw thread on this threaded portion is a right-handed thread.
2. combined type milling cutter as claimed in claim 1, it is characterized in that: described milling cutter more comprises the withdrawing assembly, wherein the side face upper end of this handle of a knife has the withdrawing thread segment, screw thread on this withdrawing thread segment is a left hand thread, the upper surface of the head of this bolt has the polygon groove and inserts to drive its rotation for turning tool, the lower surface of this withdrawing assembly has the withdrawing screw establishes for this withdrawing thread segment spiral shell, and the upper surface has through hole and penetrates into this withdrawing screw, and this through hole passes for this turning tool.
3. combined type milling cutter as claimed in claim 2 is characterized in that: described milling cutter more comprises pad, and this pad is on the axostylus axostyle that the ring plate shape is set in this bolt, and is sandwiched between the head and this handle of a knife of this bolt.
4. as claim 1 or 2 or 3 described combined type milling cutters, it is characterized in that: the lower end of described perforation has the through hole that communicates with this bellmouth, and this through hole is to be the taper of extension from this bellmouth upper end, and for holding this contiguous block in wherein moving axially.
5. combined type milling cutter as claimed in claim 4 is characterized in that: the side face of described contiguous block is set as and the corresponding conical surface shape of this through hole.
6. combined type milling cutter as claimed in claim 4 is characterized in that: described contiguous block is cylindric, and is the upper end of external diameter less than the taper interlocking section of this blade.
7. as claim 1 or 2 or 3 described combined type milling cutters, it is characterized in that: the lower end of described perforation has the through hole that communicates with this bellmouth, and this through hole is cylindric, and this contiguous block is cylindric and can axially moves in this through hole.
8. as claim 1 or 2 or 3 described combined type milling cutters, it is characterized in that: described blade is made by wolfram steel, and this handle of a knife, this contiguous block and this bolt are made by common iron.
9. as claim 1 or 2 or 3 described combined type milling cutters, it is characterized in that: described caulking groove is a dovetail groove.
10. as claim 1 or 2 or 3 described combined type milling cutters, it is characterized in that: described axostylus axostyle has straight bar section and spiro rod section, this straight bar section extends from the bottom surface of this head, and this spiro rod section extends from the lower end of this straight bar section, and this threaded portion is located at the bottom of this spiro rod section.
11. combined type milling cutter as claimed in claim 2 is characterized in that: the side face of described withdrawing assembly has several and supplies a clamping device clamping with the plane with its turn.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102200614U TWM460733U (en) | 2013-01-11 | 2013-01-11 | Assembled milling cutter |
| TW102200614 | 2013-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203091828U true CN203091828U (en) | 2013-07-31 |
Family
ID=48843272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084050 Expired - Fee Related CN203091828U (en) | 2013-01-11 | 2013-02-25 | Combined milling cutter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203091828U (en) |
| TW (1) | TWM460733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191023A (en) * | 2014-08-25 | 2014-12-10 | 锑玛(苏州)精密工具有限公司 | Combined milling cutter |
-
2013
- 2013-01-11 TW TW102200614U patent/TWM460733U/en not_active IP Right Cessation
- 2013-02-25 CN CN 201320084050 patent/CN203091828U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191023A (en) * | 2014-08-25 | 2014-12-10 | 锑玛(苏州)精密工具有限公司 | Combined milling cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM460733U (en) | 2013-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9643264B2 (en) | Coupling mechanism for cutting tool | |
| US20010031178A1 (en) | Drill bit apparatus and method of manufacture of same | |
| CN203448694U (en) | Combined countersinking cutter | |
| CN201579425U (en) | Combined cutting tool | |
| CN203091828U (en) | Combined milling cutter | |
| CN102554291B (en) | Cutter and method for inserting and cutting special-shaped hole through rotation | |
| CN202447742U (en) | Diamond milling cutter with separately connected hohl shaft kegel (HSK) shank | |
| CN204892997U (en) | Two bore a boring combination cutting tool with adjustable | |
| CN207013772U (en) | A kind of T-shaped milling cutter of Novel major diameter | |
| CN201300218Y (en) | Blind-hole internal screw turning tool with automatic cutter withdrawal device | |
| CN110653879A (en) | Saw blade interval adjusting mechanism for plate multi-blade sawing machine | |
| CN202571876U (en) | Special fixture for machining of superhard numerical control blades | |
| CN202447692U (en) | Boring cutter for eccentric turner | |
| CN201419247Y (en) | Double-tool-apron device of processing machinery | |
| GB1479433A (en) | Milling tool | |
| CN202239852U (en) | Milling cutter for processing spline shafts | |
| CN203471069U (en) | Detachable inner hole chamfer repairing tool | |
| CN202622008U (en) | Integral cutter of combined-type counter bit | |
| CN201554737U (en) | Internal fastening-type orientation screw | |
| CN205764064U (en) | A kind of boring cutter body for deep hole machining stepped hole tapering arc transition | |
| CN217666652U (en) | Alloy drill bit capable of being accurately positioned and butted and provided with connecting mechanism | |
| CN202447943U (en) | Cylindrical positioning screw connection type cutter handle device | |
| CN208644740U (en) | A kind of thin-walled casing processing tool | |
| RU152602U1 (en) | RING DRILL | |
| CN203887549U (en) | Multihole quick boring clamp |
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: 20130731 Termination date: 20170225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |