CN2053553U - Universal lathe tool of position-turnable and replaceable serial bit - Google Patents
Universal lathe tool of position-turnable and replaceable serial bit Download PDFInfo
- Publication number
- CN2053553U CN2053553U CN 89211246 CN89211246U CN2053553U CN 2053553 U CN2053553 U CN 2053553U CN 89211246 CN89211246 CN 89211246 CN 89211246 U CN89211246 U CN 89211246U CN 2053553 U CN2053553 U CN 2053553U
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- blade
- cutter
- screw
- knife bar
- interchangeable
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Abstract
The utility model relates to a universal turning tool with a position-tunable and changeable serial tool bit, which is formed by that a changeable tool bit, a tool bar, etc. are assembled in a mechanical mode, wherein the tool bit is changeable. The front end of the tool bit is provided with a blade with a center hole, which can turn. The blade is clamped mainly by adopting a clamping device which adopts a central screw clamping type and a screw eccentric type clamping type. The tool bit and the tool bar can be shaped and produced in large batch according to different dimensions and specifications, thereby, the stock quantity of the cutting tools is reduced. The utility model can complete various cutting and processing tasks on lathes of various specifications and types.
Description
The utility model belongs to a kind of metal-cutting machine tool.
The purpose of this utility model is, only with once the various processing tasks that can finish the general-purpose lathe tool of able to transpose position and to change series of bits on the lathe.
The knife bar of interchangeable cutter head (constituting) lathe tool by the assembling of blade and removable holder machinery exceptionally process with and interior processing with two kinds of knife bars.In processing with the cross section of knife bar (see in the accompanying drawing 1 5) anterior adopt circular, rear portion employing rectangle.Middle part in the circular face of knife bar front end has a projection, and the outer lower right of projection also has the pin (see in the accompanying drawing 1 4) of a protrusion.A screw is arranged above outside projection, outside projection below the left side have a screw.The tail end middle part of the removable holder of top loading (see in the accompanying drawing 1 2) has a groove, and its size is consistent with the size of knife bar front end projection.The pin that lower right outside groove has a bottom-right protrusion outside a hole and the knife bar projection is complementary and plays the role of positioning.The right forward side of removable holder has the cutter groove, and the indexable insert tip, throw away tip (see in the accompanying drawing 1 1) of a band centre bore is housed in the cutter groove.A counter sink is arranged above outside the cutter groove.Have a counter sink below the left side outside the cutter groove.When cutter head and knife bar link with the front end (seeing accompanying drawing 1) that interchangeable cutter head is fastened on knife bar of tightening of the interior hexagonal trip bolt that runs through two counter sinks on the interchangeable cutter head and two screws on the knife bar front end face (see in the accompanying drawing 1 6); The outer processing of interchangeable knife turning tool adopts the middle part of its front end of knife bar of square-section that a rectangular recess is arranged with knife bar (see in the accompanying drawing 2 4).A side also has the pin (see in the accompanying drawing 2 6) of a protrusion in groove, end face on the rectangular recess has been opened two screws that the tight screw of voltage supply (see in the accompanying drawing 2 5) uses, the tail end middle part of the interchangeable cutter head of top loading has a protruding rectangle, and its size is consistent with the size of knife bar the place ahead rectangular recess.Side on protruding rectangle has a hole, and the pin that a side is protruded in its size and the knife bar front end groove is complementary, and plays the role of positioning.Tighten the front end (seeing accompanying drawing 2) that interchangeable cutter head is fastened on knife bar with two housing screws that pass knife bar front end rectangular recess end face screw when cutter head and knife bar link.
Of the present utility model be characterised in that be contained in processing have three kinds (1) that the interchangeable cutter head (seeing accompanying drawing 1) of the triangular blade of the indexable band centre bore of cutting thread and car inner hole groove (seeing a and a ' in the accompanying drawing 4) is housed with the interchangeable cutter head on the knife bar, the appearance and size of two kinds of triangular blades is consistent, therefore can shared same removable holder (seeing accompanying drawing 3).(2) the protruding triangle of indexable band centre bore and the interchangeable cutter head (seeing accompanying drawing 5) of equilateral triangle blade (endoporus shoulder lathe tool) are housed.(3) the interchangeable cutter head (seeing accompanying drawing 6, accompanying drawing 7, accompanying drawing 8) of the square blade (75 °, the 45 ° lathe tools in hole, boring road) of indexable band centre bore is housed.Their blade fixture adopts dual mode, and the first adopts central screw (seeing accompanying drawing 6, accompanying drawing 7) clamping mode to come clamping blade.Be that the cutter trench bottom that the blade level is contained on the removable holder has in the cutter groove of center screw, pass on the center screw that the blade center hole is tightened in the cutter trench bottom by a screw blade is clamped.It two is to adopt screw centering type clamp mechanism to come clamping blade (seeing accompanying drawing 8).
Be contained in outer processing and have six kinds with the interchangeable cutter head on the knife bar: (1) is equipped with the triangular blade (b in the accompanying drawing 10 of the indexable band centre bore of external threading, outer trapezoidal thread, external screw thread escape
1, b '
1, b "
1, b in the accompanying drawing 12
2, b '
2) interchangeable cutter head.Blade fixture adopts dual mode.Upright three bread that are contained in removable holder of one blade enclose in the cutter groove of formula, and promptly the periphery of cutter groove has three disjunct cell walls.The stage casing on three limits of triangular blade just in time is attached to respectively on the plane of three cell walls of cutter groove periphery.At this moment protrude outside the space of each cell wall at the position that is used to cut at three of triangular blade angles.Have a center screw on the cutter groove bottom.The clamping mode of central screw is adopted in the clamping of blade.An available sunk screw is made pinching screw.The centre bore that passes blade is tightened on the center screw of cutter trench bottom blade is clamped (seeing accompanying drawing 2).Take multiaspect to surround the cutter groove of formula, it not only makes blade eliminate six-freedom degree effectively in installation, behind the blade abrasion sharpening, the phenomenon that blade side and cutter groove cell wall are not fitted can not occur simultaneously, thereby improve the utilization rate of blade because blade takes the countersunk head central screw to clamp.Because b
1, b '
1, b "
1The appearance and size of three kinds of triangular blades is consistent, therefore can shared same removable holder.Its two, the blade level is installed in the cutter groove of removable holder.Come clamping blade or come clamping blade (seeing accompanying drawing 11) with the central screw clamping mode with screw centering type clamp mechanism.Because b
2, b '
2Two kinds of triangular blade appearance and sizes are consistent, also shared same removable holder.(2) the protruding triangle of indexable band centre bore and interchangeable cutter head (c, the c in the accompanying drawing 13 of equilateral triangle blade (90 ° of lathe tools) are housed
1); (3) interchangeable cutter head (c ', the c ' in the accompanying drawing 14 of the square blade (75 °, 45 ° lathe tools) of indexable band centre bore are housed
1C, c in the accompanying drawing 15 "
1).(4) the protruding triangle of indexable band centre bore and interchangeable cutter head (d, the d in the accompanying drawing 13 of equilateral triangle blade (90 ° of left avertence cuttves) are housed
1).(5) interchangeable cutter head (d ', the d ' in the accompanying drawing 14 of the square blade (75 °, 45 ° lathe tools of left sword) of indexable band centre bore are housed
1, d in the accompanying drawing 15 ", d "
1); Their blade fixture is taked dual mode: one, blade level are contained in the cutter groove of the cutter trench bottom band center screw on the removable holder, can be by a central screw of being with the mushroom head of fillet.Pass on the center screw that the blade center hole is tightened in the cutter trench bottom blade clamped and (see c, d in the accompanying drawing 13, c ', d ' in the accompanying drawing 14, c in the accompanying drawing 15 ", d ") purpose of band fillet is to make cutter chip removal in cutting unobstructed on the mushroom screw, and it two is that the blade level is installed in the cutter groove on the removable holder.Adopt screw centering type clamp mechanism that blade is clamped and (see c in the accompanying drawing 13
1, d
1, c ' in the accompanying drawing 14
1, d '
1, G in the accompanying drawing 15 "
1, d "
1).(6) the interchangeable cutter head of cutter.It adopts two kinds of structures, and the first adopts indexable protruding triangular blade (seeing accompanying drawing 17), and its blade clamps and adopts the elasticity clamping mode.Blade is upright to be contained in the cutter groove of a completely encircle formula of interchangeable cutter cutter holder front end, and spring groove of vertically opening along removable holder is divided into two cell walls of two cell walls and belows in top with the cutter groove of completely encircle formula.This moment, six limits of protruding triangular blade had four limits to be enclosed in the cutter groove.Spring groove has been beaten a hole in the centre position longitudinally vis-a-vis on the end face of removable holder.On the bottom surface of relevant position, opened a screw.The tightening an of bolt that runs through hole on the cutter holder end face and the screw on the bottom surface just will be found the blade that is contained in the removable holder front end completely encircle formula cutter groove and be clamped (seeing accompanying drawing 16).It two is to adopt the clamped cutting bit sheet, and its blade fixture is that the clamped cutting bit sheet is tilted to insert in the cutter groove on the removable holder, utilizes the cutting force that produces in the Tool in Cutting that the clamping mode that blade is clamped in the cutter groove is voluntarily come clamping blade (seeing accompanying drawing 19).
The blade fixture of able to transpose position and to change knife turning tool.It can also take multiple clamping mode.As lever pin formula, lever, arm spring formula, draw cushion, Wedge-type, go up pressure type, hook pin formula, composite type or the like.The utility model adopts central screw to clamp and the basic reason of screw centering type clamping device is, on the one hand because these two kinds of the simplest, low cost of manufactures of clamping device structure, what is more important adopts these two kinds of clamping devices can shorten the length of interchangeable cutter head, thereby has strengthened the rigidity of general-purpose lathe tool of the structure of interchangeable cutter head.Though its cutter head of this cutter is interchangeable, and because of having positioner on the cutter, so the point of a knife of this cutter can be determined the locus with respect to knife bar, therefore also the locus of the point of a knife of the interchangeable cutter head on knife bar in being contained in respectively and the outer knife bar can be made into relative unanimity for the basal plane on the knife bar according to the needs of lathe function, this jet blade and knife bar can be done typing by the different size specification and produce in batches, so can reduce the tool magazine storage, it is applicable to carries out multiple machining on the lathe of all size model.
Accompanying drawing 1 is the general-purpose lathe tool overview of able to transpose position and to change series of bits (interior processing is used): 1--blade among the figure, 2--removable holder, 3--pinching screw, 4--pin, 5--knife bar, 6--trip bolt.Accompanying drawing 2 is the general-purpose lathe tool overview of able to transpose position and to change series of bits (outer processing is used).1--blade among the figure, 2--removable holder, 3--pinching screw, 4--knife bar, 5--housing screw (two), 6--pin.
Accompanying drawing 3 for processing in being contained in the blade level of the indexable band centre bore of car internal thread, inner hole groove can be contained in the cutter groove on the knife bar, and adopt central screw to clamp or with the view of the removable holder of screw centering type clamp mechanism clamping.
Accompanying drawing 4 is contained in the blade view on the removable holder in the accompanying drawing 3 for level.A is the internal thread blade among the figure.A ' is the blade of inner hole groove.
Accompanying drawing 5 is for being used for car endoporus step on the processing knife bar in being contained in.Blade adopts the interchangeable cutter head view of the clamping of central screw.
Accompanying drawing 6 is for processing on the knife bar the interchangeable cutter head view of 75 ° of lathe tools of the boring through hole that blade employing central screw clamps in being contained in.
Accompanying drawing 7 is the interchangeable cutter head view of 45 ° of lathe tools of the boring through hole of the blade employing central screw clamping on the processing knife bar in being contained in.
Accompanying drawing 8 adopts screw centering type clamping device, the interchangeable cutter head view of 45 ° of lathe tools of the boring through hole of clamping blade for the blade on the processing knife bar in being contained in.
Accompanying drawing 9 for be contained on the outer processing knife bar can be with the upright removable holder view that is contained in that three bread enclose in the cutter groove of formula and clamps with central screw of the blade of the indexable band centre bore of external screw thread, outer trapezoidal thread, external screw thread escape.T is a cell wall among the figure.
Accompanying drawing 10 is the upright view that is contained in the blade on the removable holder in the accompanying drawing 9.B among the figure
1Be external screw thread blade, b '
1Be the blade of external screw thread escape, b "
1Be outer trapezoidal thread blade.
Accompanying drawing 11 is external screw thread and external screw thread escape blade level are installed in the cutter groove of removable holder on the processing knife bar outside being contained in, and adopts the view of screw centering type clamping device with the interchangeable cutter head of blade clamping.
Accompanying drawing 12 is the blade view on the interchangeable cutter head in the accompanying drawing 11.B among the figure
2Be external screw thread blade, b '
2Be external screw thread escape blade.
Accompanying drawing 13 is for being contained on the outer processing knife bar the interchangeable cutter head view of left and right (90 °) offset tool.C is the view that blade adopts the interchangeable cutter head of 90 ° of right avertence cuttves that central screw clamps among the figure.c
1Adopt a cutter tool changing view of 90 ° of right avertence cuttves of screw centering type clamping for blade.D is the interchangeable cutter head view that blade adopts 90 ° of left avertence cuttves of central screw clamping.d
1Adopt the detachable blade view of 90 ° of left avertence cuttves of screw centering type clamping for blade.
Accompanying drawing 14 is for being contained on the outer processing knife bar the interchangeable cutter head view of 75 ° of lathe tools of left and right sword.C ' is the interchangeable cutter head view of 75 ° of lathe tools of right sword of blade employing central screw clamping, c ' among the figure
1For blade adopts the interchangeable cutter head view of 75 ° of lathe tools of right sword that the screw centering type clamps, d ' adopts the interchangeable cutter head view of 75 ° of lathe tools of left sword of central screw clamping, d ' for blade
1Adopt the interchangeable cutter head view of 75 ° of lathe tools of left sword of screw centering type clamping for blade.
Accompanying drawing 15 is for being contained on the outer processing knife bar.The view of the interchangeable cutter head of 45 ° of lathe tools of left and right sword.C among the figure " for blade adopts the view of the interchangeable cutter head of 45 ° of lathe tools of right sword that central screw clamps, c "
1For blade adopts the interchangeable cutter head view of 45 ° of lathe tools of right sword that the screw centering type clamps, d " for blade adopts the interchangeable cutter head view of 45 ° of lathe tools of left sword of central screw clamping, d "
1Adopt the interchangeable cutter head view of 45 ° of lathe tools of left sword of screw centering type clamping for blade.
Accompanying drawing 16 will cut upright being contained in cutter groove removable holder, the completely encircle formula of blade of the indexable band centre bore of groove, and adopts elastic device to come interchangeable (cutter) cutter head view of clamping blade for being contained on the outer processing knife bar.T is a cell wall among the figure.
Accompanying drawing 17 is for being contained in the blade view on accompanying drawing 16 interchangeable (cutter) cutter head.
Accompanying drawing 18 is the view of a mushroom screw of band fillet.
Accompanying drawing 19 is for being contained on the outer processing knife bar.The clamped cutting bit sheet that cuts groove tilt is inserted in the cutter groove on the removable holder.Utilize cutting force that blade is clamped in interchangeable (cutter) cutter head view that clamping mode in the cutter groove comes clamping blade voluntarily.
Claims (3)
1, the general-purpose lathe tool of able to transpose position and to change series of bits is assembled with knife bar, removable holder, indexable insert tip, throw away tip machinery with knife bar, removable holder, indexable insert tip, throw away tip with by outer processing by interior processing.The interior processing of interchangeable knife turning tool is circular with the anterior employing in the cross section of knife bar, rectangle is adopted at the rear portion, middle part in the circular face of knife bar front end has a projection, lower right outside projection also has the pin of a protrusion, a screw is arranged above outside projection, a screw is opened in the left side below outside projection, the tail end middle part of the removable holder of top loading has a groove, its size is consistent with the size of knife bar front end projection, the outer lower right of groove has a hole, the lower right protrusion pin outer with knife bar front end projection is complementary, the right forward side of removable holder has the cutter groove, the blade of an indexable band centre bore is housed in the cutter groove, a counter sink is arranged above outside the cutter groove, have a counter sink below the left side outside the cutter groove, when cutter head and knife bar link with the front end that interchangeable cutter head is fastened on knife bar of tightening of the soket head cap screw that runs through two counter sinks on the interchangeable cutter head and two screws on the knife bar front end face; The knife bar of square-section is adopted in the outer processing of interchangeable knife turning tool with knife bar, there is a rectangular recess at the middle part of its front end, a side also has the pin of a protrusion in groove, the last end face of rectangular recess has been opened two screws that the tight screw of voltage supply uses, the middle part of the tail end of the interchangeable cutter head of top loading has a protruding rectangle, and its size is consistent with the size of knife bar the place ahead rectangular recess.A side has a hole on protruding rectangle, the pin that its size and knife bar front end protrude is complementary, when cutter head and knife bar link, with tightening of two housing screws that pass knife bar front end rectangular recess end face screw, interchangeable cutter head is fastened on the front end of knife bar, of the present utility model being characterised in that: processing has three kinds with the interchangeable cutter head on the knife bar in being contained in: (1) is equipped with the interchangeable cutter head of blade of the indexable band centre bore of car internal thread and car inner hole groove; (2) the protruding triangle of indexable band centre bore and the interchangeable cutter head of equilateral triangle blade (endoporus step lathe tool) are housed; (3) the interchangeable cutter head of the square blade (75 °, 45 ° lathe tools of boring through hole) of indexable band centre bore, their blade fixture employing dual mode are housed, first blade level is contained in the cutter groove on the removable holder, pass tightening of blade center hole and cutter trench bottom center screw by a screw, promptly blade is clamped with the central screw clamping mode; It two is that the blade level is installed in the cutter groove on the removable holder, adopts screw centering type clamp mechanism that blade is clamped.Be contained in outer processing and have six kinds with the interchangeable cutter head on the knife bar.(1) the interchangeable cutter head of triangular blade of the indexable band centre bore of external threading, outer trapezoidal thread, external screw thread escape is housed, their blade fixture is taked dual mode, the upright multiaspect that is contained on the removable holder of first blade is surrounded in the cutter groove of formula, comes clamping blade with the central screw clamping mode; It two is that the blade level is installed in the cutter groove on the removable holder, comes clamping blade with central screw clamp mechanism and screw centering type clamp mechanism, and (2) are equipped with the protruding triangle of indexable band centre bore, the interchangeable cutter head of equilateral triangle blade (90 ° of lathe tools).(3) the interchangeable cutter head of the square blade (75 °, 45 ° lathe tools) of indexable band centre bore is housed.(4) the protruding triangle of indexable band centre bore, the interchangeable cutter head of equilateral triangle blade (90 ° of left avertence cuttves) are housed.(5) the interchangeable cutter head of the square blade (75 °, 45 ° lathe tools of left sword) of indexable band centre bore is housed, their blade fixture is taked dual mode, first blade level is contained in the cutter groove on the removable holder, pass tightening of blade center hole and cutter trench bottom center screw by a central screw, promptly blade is clamped with the central screw clamping mode; It two is that the blade level is installed in the cutter groove on the removable holder, adopts screw centering type clamp mechanism that blade is clamped.(6) the interchangeable cutter head of cutter, it adopts two kinds of structures, and the first adopts indexable protruding triangular blade, and its blade fixture is that the upright multiaspect that is contained in removable holder of blade is surrounded in the cutter groove of formula, and adopts the elasticity clamping mode that blade is clamped.It two is to adopt the clamped cutting bit sheet, and its blade fixture is that the clamped cutting bit sheet is tilted to insert in the cutter groove on the cutter holder, utilizes the cutting force that produces in the Tool in Cutting that the clamping mode that blade is clamped in the cutter groove is voluntarily come clamping blade.
2, the general-purpose lathe tool of able to transpose position and to change series of bits according to claim 1, it is characterized in that indexable insert tip, throw away tip is installed in the cutter groove of the multiaspect encirclement formula on the removable holder, adopt central screw clamping mode clamping blade, be meant that the quantity that blade is installed in a cell wall has in the cutter groove of a center screw in its cutter groove bottom centre position more than three or three, and blade be clamped in the cutter groove by tightening of screw of passing blade center hole and cutter groove center screw.
3, the general-purpose lathe tool of able to transpose position and to change series of bits according to claim 1, it is characterized in that surrounding in the cutter groove of formula, and adopt the elasticity clamping mode to come clamping blade according to the upright multiaspect that is contained on the removable holder of the protruding triangular blade of indexable band centre bore in (6) in the claim 1 said interchangeable cutter cutter head.Be meant that interchangeable cutter cutter holder front end opened the cutter groove of a completely encircle formula., a spring groove of vertically opening along cutter holder is divided into two cell walls of two cell walls and belows in top with the cutter groove of completely encircle formula.This moment, six limits of protruding triangular blade had four limits to be enclosed in the cutter groove.Spring groove has been beaten a hole in the centre position longitudinally vis-a-vis on the end face of removable holder, on the bottom surface of relevant position, opened a screw, tightening of a bolt that runs through hole on the cutter holder end face and the screw on the bottom surface just will be found the blade that is contained in removable holder front end, the completely encircle formula cutter groove and be clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89211246 CN2053553U (en) | 1989-03-27 | 1989-03-27 | Universal lathe tool of position-turnable and replaceable serial bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89211246 CN2053553U (en) | 1989-03-27 | 1989-03-27 | Universal lathe tool of position-turnable and replaceable serial bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2053553U true CN2053553U (en) | 1990-02-28 |
Family
ID=4867534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89211246 Withdrawn CN2053553U (en) | 1989-03-27 | 1989-03-27 | Universal lathe tool of position-turnable and replaceable serial bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2053553U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008700A (en) * | 2012-12-07 | 2013-04-03 | 上海锅炉厂有限公司 | Assembly and disassembly boring device |
| CN103317318A (en) * | 2013-06-26 | 2013-09-25 | 谢腾 | Replaceable repeatedly-grindable special-shaped forming cutter and forming method |
| CN104625127A (en) * | 2014-12-25 | 2015-05-20 | 厦门天机自动化有限公司 | Oscillating adjustable and self-centering small-hole and deep-hole boring cutter for lathe |
| CN108367364A (en) * | 2015-11-18 | 2018-08-03 | 伊斯卡有限公司 | The Turable cutting cutter of cutting element and triangle for the cutting element |
| CN108941634A (en) * | 2018-08-01 | 2018-12-07 | 中车永济电机有限公司 | Icking tool has under DC motor commutator |
| CN111957995A (en) * | 2020-08-28 | 2020-11-20 | 东莞市高冶切削工具有限公司 | Efficient and convenient modular structure cutter bar |
| CN116372205A (en) * | 2023-06-05 | 2023-07-04 | 成都飞机工业（集团）有限责任公司 | Two-stage ultrasonic straight blade knife and processing method |
-
1989
- 1989-03-27 CN CN 89211246 patent/CN2053553U/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008700A (en) * | 2012-12-07 | 2013-04-03 | 上海锅炉厂有限公司 | Assembly and disassembly boring device |
| CN103008700B (en) * | 2012-12-07 | 2014-12-24 | 上海锅炉厂有限公司 | Assembly and disassembly boring device |
| CN103317318A (en) * | 2013-06-26 | 2013-09-25 | 谢腾 | Replaceable repeatedly-grindable special-shaped forming cutter and forming method |
| CN103317318B (en) * | 2013-06-26 | 2015-09-23 | 谢腾 | A kind of interchangeable can the repeatedly special-shaped molding cutter of reconditioning and constructive method |
| CN104625127A (en) * | 2014-12-25 | 2015-05-20 | 厦门天机自动化有限公司 | Oscillating adjustable and self-centering small-hole and deep-hole boring cutter for lathe |
| CN108367364A (en) * | 2015-11-18 | 2018-08-03 | 伊斯卡有限公司 | The Turable cutting cutter of cutting element and triangle for the cutting element |
| CN108941634A (en) * | 2018-08-01 | 2018-12-07 | 中车永济电机有限公司 | Icking tool has under DC motor commutator |
| CN111957995A (en) * | 2020-08-28 | 2020-11-20 | 东莞市高冶切削工具有限公司 | Efficient and convenient modular structure cutter bar |
| CN116372205A (en) * | 2023-06-05 | 2023-07-04 | 成都飞机工业（集团）有限责任公司 | Two-stage ultrasonic straight blade knife and processing method |
| CN116372205B (en) * | 2023-06-05 | 2023-09-29 | 成都飞机工业（集团）有限责任公司 | Two-stage ultrasonic straight blade knife and processing method |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |