CN113020726B - Adjustable electrode chuck - Google Patents

Adjustable electrode chuck Download PDF

Info

Publication number
CN113020726B
CN113020726B CN202110239847.5A CN202110239847A CN113020726B CN 113020726 B CN113020726 B CN 113020726B CN 202110239847 A CN202110239847 A CN 202110239847A CN 113020726 B CN113020726 B CN 113020726B
Authority
CN
China
Prior art keywords
adjusting
electrode
hole
rotating cap
rotating
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.)
Active
Application number
CN202110239847.5A
Other languages
Chinese (zh)
Other versions
CN113020726A (en
Inventor
汪立
罗前菊
张济
谭其松
赵前松
张吉阳
王林伟
熊宗平
贾敬惠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guiyang Hangfa Precision Casting Co Ltd
Original Assignee
Guiyang Hangfa Precision Casting Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guiyang Hangfa Precision Casting Co Ltd filed Critical Guiyang Hangfa Precision Casting Co Ltd
Priority to CN202110239847.5A priority Critical patent/CN113020726B/en
Publication of CN113020726A publication Critical patent/CN113020726A/en
Application granted granted Critical
Publication of CN113020726B publication Critical patent/CN113020726B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04Electrodes specially adapted therefor or their manufacture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric

Abstract

The invention relates to an adjustable electrode chuck, and belongs to the technical field of aviation turbine blade machining. This electrode chuck includes: a connecting circular pipe; the two ends of the connecting circular pipe are respectively and rotatably connected with the two adjusting clamps, and the connecting circular pipe is clamped through the adjusting clamps; the mounting rod is used for being connected with a machine tool, one end of the mounting rod is detachably connected with one adjusting clamp, and the other adjusting clamp is detachably connected with the electrode. The electrode chuck can conveniently adjust the machining angle of the electrode, and greatly improves the machining efficiency.

Description

Adjustable electrode chuck
Technical Field
The invention belongs to the technical field of aviation turbine blade machining, and particularly relates to an adjustable electrode chuck.
Background
The turbine blade of the aero-engine needs to work normally under a high-temperature and high-pressure environment, most of the turbine blade is made of high-temperature alloy materials, and parts such as a sealing groove and an arc groove are machined by an electric machining method. The electric processing equipment is connected with the electrode chuck, and the electrode chuck is used for clamping the electrode, so that the electrode can be accurately processed.
The current electrode chuck generally adopts manual debugging, and tool setting is passed through standard sample piece in the course of working, constantly adjusts the electrode position to optimum size, then carries out the electricity processing to the part, and current electrode chuck adjusts very inconveniently, and the angle of regulation and accommodation are narrower, often need change electrode chuck to the position processing of difference, lead to machining efficiency low.
Disclosure of Invention
The invention provides an adjustable electrode chuck for solving the technical problems, which can conveniently adjust the processing angle of an electrode and greatly improve the processing efficiency.
The technical scheme for solving the technical problems is as follows: an adjustable electrode chuck comprising:
a connecting circular pipe;
the two ends of the connecting circular pipe are respectively and rotatably connected with the two adjusting clamps, and the connecting circular pipe is clamped through the adjusting clamps;
the mounting rod is used for being connected with a machine tool, one end of the mounting rod is detachably connected with one adjusting clamp, and the other adjusting clamp is detachably connected with the electrode.
The invention has the beneficial effects that: (1) the connecting circular tube can be loosened through the two adjusting clamps, so that the two adjusting clamps can rotate around the axis of the connecting circular tube, and the axial angle between the electrode and a machine tool is changed;
(2) the dislocation angle of the electrode and the mounting rod can be adjusted through the two adjusting clamps, so that the electrode can be adjusted in the direction conveniently, various machining conditions are adapted, and the machining efficiency can be greatly improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, be equipped with on the regulation clamp and adjust end, press from both sides tight end and link, connect the both ends of pipe respectively with press from both sides tight end and rotate to be connected, through adjust the end control press from both sides the elasticity of tight end, one adjust and press from both sides the link be used for with the connection can be dismantled to the one end of installation pole, another adjust and press from both sides last the link is used for dismantling with the electrode and be connected.
The beneficial effect of adopting the further scheme is that: can be favorable to adjusting the clamping end, and is very convenient to use.
Further, adjust and press from both sides including rotatory cap, press from both sides tight piece and screw rod, rotatory cap is the regulation end, press from both sides tight piece for pressing from both sides tight end, press from both sides the through-hole that has the penetration on the tight piece, the one end of screw rod is rotated and is passed the through-hole, and with rotatory cap rotates and connects, through rotating rotatory cap is adjusted press from both sides the elasticity of tight piece, the other end of screw rod is equipped with the connecting hole, the other end of screw rod is the link.
The beneficial effect of adopting the further scheme is that: the clamping or loosening can be realized very conveniently by rotating the rotating cap, the operation is more convenient, and the operation is fast and convenient.
Furthermore, the clamping block is provided with an adjusting seam and an adjusting hole, the adjusting hole is communicated with the adjusting seam, the connecting circular pipe penetrates through the adjusting hole, and the rotating cap is rotated to adjust the width of the adjusting seam so as to clamp or loosen the connecting circular pipe.
The beneficial effect of adopting the further scheme is that: the aperture of the adjusting hole is changed by changing the width of the adjusting seam, so that the connecting circular pipe is clamped or loosened.
Furthermore, the other end of the screw rod is provided with an extrusion head for extruding the clamping block, and the connecting hole is formed in the extrusion head.
The beneficial effect of adopting the further scheme is that: the width of the adjusting slot can be changed conveniently.
Furthermore, a compression ring is slidably sleeved on the extrusion head, and the rotary cap is rotated to drive the compression ring to be abutted and locked with one end of the mounting rod or the electrode.
The beneficial effect of adopting the above further scheme is: the clamping ring is used for fixing the mounting rod or the electrode.
Furthermore, a locking groove used for being abutted against one end of the mounting rod or the electrode is formed in the compression ring.
The beneficial effect of adopting the further scheme is that: the fixing effect on the mounting rod or the electrode is better.
Furthermore, be equipped with a plurality of anti-skidding stupefied on the rotatory cap, it is a plurality of anti-skidding stupefied winds the axis of rotatory cap becomes annular distribution.
The beneficial effect of adopting the further scheme is that: the rotating cap is beneficial to rotating, and the use is more convenient.
Furthermore, a connecting threaded hole is formed in the rotating cap, and the rotating cap is in threaded connection with the screw rod through the connecting threaded hole.
The beneficial effect of adopting the further scheme is that: the relative rotation of the rotary cap and the screw rod is facilitated.
Further, the other end of the mounting rod is provided with a mounting head connected with a machine tool.
The beneficial effect of adopting the further scheme is that: is beneficial to being installed on a machine tool.
Drawings
FIG. 1 is a front view of an electrode cartridge of the present invention;
FIG. 2 is a left side view of the electrode cartridge of the present invention;
FIG. 3 is a schematic view of the structure of the adjustment clip of the present invention;
fig. 4 is an exploded view of the adjustment clip of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a mounting head, 2, a mounting rod, 3, an adjusting clamp, 4, a connecting circular tube, 5, an electrode, 6, a connecting rod, 7, a rotating cap, 8, a clamping block, 9, a pressing ring, 10, a connecting hole, 11, a screw rod, 12, an adjusting hole, 13, an adjusting seam, 14, a locking groove, 15 and an extrusion head.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
As shown in fig. 1-4, the present embodiment provides an adjustable electrode cartridge comprising: a connecting circular tube 4, a mounting rod 2 and two adjusting clamps 3.
Two ends of the connecting circular tube 4 are respectively rotatably connected with the two adjusting clamps 3, and the connecting circular tube 4 is clamped through the adjusting clamps 3. The mounting rod 2 is used for being connected with a machine tool, one end of the mounting rod 2 is detachably connected with one adjusting clamp 3, and the other adjusting clamp 3 is detachably connected with the electrode 5.
Wherein, an adjusting clamp 3 is connected the back with installation pole 2, will install pole 2 and be connected with outside lathe, owing to connect pipe 4 and the rotation of an adjusting clamp 3 and be connected to make installation pole 2 rotate with the axis of connecting pipe 4, realize angle modulation. Wherein, the connection of another adjusting clamp 3 and electrode 5 makes electrode 5 rotate with the axis of connecting pipe 4, realizes adjusting electrode 5 angle with the axial angle of connecting pipe 4. Wherein, can also adjust the dislocation angle of installation pole 2 and electrode 5 through two regulation clamps 3 that set up for installation pole 2 can constitute "X" style of calligraphy with electrode 5, can adjust the dislocation angle.
The effect of the technical scheme of this embodiment is that, can loosen the connection pipe 4 through two regulation clamps 3 that set up for two regulation clamps 3 can rotate around the axis of connecting pipe 4, thereby change the axial angle of electrode 5 and lathe. The dislocation angle of the electrode 5 and the mounting rod 2 can be adjusted by adjusting the two adjusting clamps 3, so that the electrode 5 can be adjusted in the direction very conveniently, various processing conditions are adapted, and the processing efficiency can be greatly improved.
Preferably, in this embodiment, be equipped with on the regulation clamp 3 and adjust the end, press from both sides tight end and link, connect the both ends of pipe 4 and rotate with pressing from both sides tight end respectively and be connected, through the elasticity that the end control pressed from both sides tight end, one on the regulation clamp 3 the link be used for with the one end of installation pole 2 can be dismantled and be connected, another on the regulation clamp 3 the link be used for dismantling with electrode 5 and be connected. The adjusting end can be beneficial to adjusting the clamping end of the clamp 3, the use is very convenient, the clamping end can be beneficial to locking and connecting the round tube 4, and the operation is convenient when the adjustment is needed. The detachable connection to one end of the mounting rod 2 or to the electrode 5 is facilitated by the provision of a connection end.
Preferably, in this embodiment, the adjusting clamp 3 includes a rotating cap 7, a clamping block 8 and a screw rod 11, the rotating cap 7 is an adjusting end, the clamping block 8 is a clamping end, a through hole is formed in the clamping block 8, one end of the screw rod 11 rotates to penetrate through the through hole and is rotatably connected with the rotating cap 7, the tightness of the clamping block 3 is adjusted by rotating the rotating cap 7, a connecting hole is formed in the other end of the screw rod 11, and the other end of the screw rod 11 is a connecting end.
Wherein, through rotating rotatory cap 7 for press from both sides tight piece 8 and tighten up, thereby realize the clamping action, connect pipe 4 and rotate and pass and press from both sides tight piece 8, tighten up the back when pressing from both sides tight piece 8, make press from both sides tight piece 8 and connect pipe 4 and can not rotate each other again, realize the locking. Wherein, through the through-hole that sets up, do benefit to screw rod 11 to rotate and pass the clamp block 8. The connection of the threaded rod 11 to the mounting rod 2 or the electrode 5 can be facilitated by the provision of the connection hole.
In addition, when the screw 11 rotates, the mounting rod 2 or the electrode 5 can rotate in a staggered manner through the connecting hole, so that an X-shaped structure is formed, and the staggered angle can be conveniently adjusted. Wherein, the electrode 5 is provided with a connecting rod 6, and the connecting rod 6 passes through the connecting hole to be connected with the adjusting clamp 3.
Preferably, in the embodiment, the clamping block 8 is provided with an adjusting slit 13 and an adjusting hole 12, the adjusting hole 12 is communicated with the adjusting slit 13, the connecting circular tube 4 rotates to penetrate through the adjusting hole 12, and the rotating cap 7 is rotated to adjust the width of the adjusting slit 13 so as to clamp or release the connecting circular tube 4.
When the width of the adjusting seam 13 is reduced, the aperture of the adjusting hole 12 is reduced, and the connecting circular pipe 4 is clamped. The width of the adjusting seam 13 is reduced by screwing the rotating cap 7, and clamping is realized at the moment, and when the rotating cap 7 is loosened, the adjusting seam 13 is naturally recovered, and the connecting circular pipe 4 is loosened.
Preferably, in the present embodiment, the other end of the screw 11 is provided with an extrusion head 15 for extruding the clamping block 8, and the connection hole is provided on the extrusion head 15. When the rotating cap 7 is turned, the threaded rod 11 is moved relative to the clamping block 8, so that the pressing head 15 comes into contact with the clamping block 8, and the clamping block 8 is tightened by the rotating cap 7 and the pressing head 15, so that the clamping of the connecting cylinder 4 is locked.
Preferably, in this embodiment, the extrusion head 15 is slidably sleeved with a compression ring 9, and the rotation cap 7 is rotated to drive the compression ring 9 to abut against and lock with one end of the mounting rod 2 or the electrode 5. The one end of installation pole 2 or electrode 5 can be locked through the clamp ring 9 that sets up, realizes the removable connection of the one end of installation pole 2 or electrode 5 and extrusion head 15.
Preferably, in the present embodiment, the clamp ring 9 is provided with a locking groove 14 for abutting against one end of the mounting rod 2 or the electrode 5. The installation rod 2 and the electrode 5 can be better limited by the arranged locking groove 14, so that the installation rod 2 and the electrode 5 can be better locked.
Preferably, in this embodiment, the rotating cap 7 is provided with a plurality of anti-slip ridges, and the plurality of anti-slip ridges are annularly distributed around the axis of the rotating cap 7. The rotating cap 7 can be conveniently rotated through the plurality of anti-skidding convex ridges, so that the rotation is easier and the rotation is more convenient.
Preferably, in this embodiment, a connection threaded hole is formed on the rotation cap 7, and the rotation cap 7 is in threaded connection with the screw 11 through the connection threaded hole. Thereby facilitating rotation of the swivel cap 7 to tighten the tightening blocks. Wherein the connecting threaded hole is internally provided with internal threads.
Preferably, in the present embodiment, the other end of the mounting rod 2 is provided with a mounting head 1 to which a machine tool is attached. The machine tool connection is facilitated by the installation head 1.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
It is to be noted that "comprising" in the present invention means that it may include other components in addition to the components described, and the "comprising" may be replaced with "being" or "consisting of … …" in a closed manner.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (4)

1. An adjustable electrode chuck, comprising:
a connecting circular tube (4);
the two ends of the connecting circular tube (4) are respectively rotatably connected with the two adjusting clamps (3), and the connecting circular tube (4) is clamped through the adjusting clamps (3);
the mounting rod (2) is used for being connected with a machine tool, one end of the mounting rod (2) is detachably connected with one adjusting clamp (3), and the other adjusting clamp (3) is detachably connected with an electrode (5);
the adjusting clamps (3) are provided with adjusting ends, clamping ends and connecting ends, two ends of the connecting circular tube (4) are respectively rotatably connected with the clamping ends, the tightness of the clamping ends is controlled through the adjusting ends, the connecting end on one adjusting clamp (3) is detachably connected with one end of the mounting rod (2), and the connecting end on the other adjusting clamp (3) is detachably connected with the electrode (5);
the adjusting clamp (3) comprises a rotating cap (7), a clamping block (8) and a screw rod (11), the rotating cap (7) is an adjusting end, the clamping block (8) is a clamping end, a through hole penetrating through the clamping block (8) is formed in the clamping block (8), one end of the screw rod (11) penetrates through the through hole in a rotating mode and is connected with the rotating cap (7) in a rotating mode, the tightness of the clamping block (8) is adjusted by rotating the rotating cap (7), a connecting hole (10) is formed in the other end of the screw rod (11), and the other end of the screw rod (11) is a connecting end;
the clamping block (8) is provided with an adjusting seam (13) and an adjusting hole (12), the adjusting hole (12) is communicated with the adjusting seam (13), the connecting circular tube (4) penetrates through the adjusting hole (12), and the rotating cap (7) is rotated to adjust the width of the adjusting seam (13) so as to clamp or loosen the connecting circular tube (4);
the other end of the screw rod (11) is provided with an extrusion head (15) for extruding the clamping block (8), and the connecting hole (10) is formed in the extrusion head (15);
a compression ring (9) is slidably sleeved on the extrusion head (15), and the compression ring (9) is driven to be abutted and locked with one end of the mounting rod (2) or the electrode (5) by rotating the rotating cap (7);
and a locking groove (14) which is used for being abutted against one end of the mounting rod (2) or the electrode (5) is formed in the compression ring (9).
2. The adjustable electrode chuck according to claim 1, wherein the rotating cap (7) is provided with a plurality of anti-slip ridges, and the anti-slip ridges are annularly distributed around the axis of the rotating cap (7).
3. The adjustable electrode chuck according to claim 2, wherein the rotating cap (7) is provided with a threaded connecting hole, and the rotating cap (7) is in threaded connection with the screw rod (11) through the threaded connecting hole.
4. An adjustable electrode chuck according to any one of claims 1 to 3, wherein the other end of the mounting rod (2) is provided with a machine-tool-attached mounting head (1).
CN202110239847.5A 2021-03-04 2021-03-04 Adjustable electrode chuck Active CN113020726B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110239847.5A CN113020726B (en) 2021-03-04 2021-03-04 Adjustable electrode chuck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110239847.5A CN113020726B (en) 2021-03-04 2021-03-04 Adjustable electrode chuck

Publications (2)

Publication Number Publication Date
CN113020726A CN113020726A (en) 2021-06-25
CN113020726B true CN113020726B (en) 2022-07-05

Family

ID=76467528

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110239847.5A Active CN113020726B (en) 2021-03-04 2021-03-04 Adjustable electrode chuck

Country Status (1)

Country Link
CN (1) CN113020726B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114226894B (en) * 2022-02-23 2022-05-17 成都和鸿科技股份有限公司 Electrode tool setting method for machining turbine blade

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10312986A1 (en) * 2002-10-21 2004-04-29 Boris Lukic Electroerosive machining method for formation of small bore holes in workpiece surface using rotation of machining electrode and workpiece in opposite directions
CN101259548A (en) * 2008-04-11 2008-09-10 大连理工大学 Composite electrode for fine electric spark processing
CN102275019A (en) * 2010-06-11 2011-12-14 昆山同寅兴业机电制造有限公司 Discharging tool with adjustable angle
CN102357689A (en) * 2011-09-13 2012-02-22 南京航空航天大学 Electrochemical machining array electrode
CN104108051A (en) * 2014-06-25 2014-10-22 山东鲁南机床有限公司 Magnifying and adjusting instrument for electric spark precise machining and application method thereof
CN104907655A (en) * 2015-05-21 2015-09-16 西安航空动力股份有限公司 Universal adjustable type electric spark small hole machining electrode guiding device
CN205764305U (en) * 2016-01-22 2016-12-07 李方云 A kind of spark machine electrode exempts from chuck location fast fixture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10312986A1 (en) * 2002-10-21 2004-04-29 Boris Lukic Electroerosive machining method for formation of small bore holes in workpiece surface using rotation of machining electrode and workpiece in opposite directions
CN101259548A (en) * 2008-04-11 2008-09-10 大连理工大学 Composite electrode for fine electric spark processing
CN102275019A (en) * 2010-06-11 2011-12-14 昆山同寅兴业机电制造有限公司 Discharging tool with adjustable angle
CN102357689A (en) * 2011-09-13 2012-02-22 南京航空航天大学 Electrochemical machining array electrode
CN104108051A (en) * 2014-06-25 2014-10-22 山东鲁南机床有限公司 Magnifying and adjusting instrument for electric spark precise machining and application method thereof
CN104907655A (en) * 2015-05-21 2015-09-16 西安航空动力股份有限公司 Universal adjustable type electric spark small hole machining electrode guiding device
CN205764305U (en) * 2016-01-22 2016-12-07 李方云 A kind of spark machine electrode exempts from chuck location fast fixture

Also Published As

Publication number Publication date
CN113020726A (en) 2021-06-25

Similar Documents

Publication Publication Date Title
CN113020726B (en) Adjustable electrode chuck
CN111558797A (en) Universal welding gun clamp holder
CN207615731U (en) A kind of PCD milling cutters mounting bracket
CN203944984U (en) A kind of non-staight shank argon-arc welding gun fixture
CN208060356U (en) A kind of adjustable exposing frame for use in of multi-angle polymorphic type
CN213945392U (en) Clamp mechanism
CN216658308U (en) Manual knife handle clamping device
CN214291323U (en) Electric welding device
CN216729618U (en) Blade device for turning sealing equipment
CN115156602A (en) Reverse milling cutter and numerical control machining center
CN114589365A (en) Light-load working condition floating adjusting device
CN212704772U (en) Adjustable deburring device
CN209598785U (en) The grip device of lathe process thin-wall circular dish type cavity mechanical part
CN217475394U (en) Multifunctional clamp for numerical control machinery
CN208352410U (en) A kind of trimming device and lithium battery diaphragm cutting machine of lithium battery diaphragm
CN105458781A (en) Clamp for cylinders
CN220784283U (en) Adjustable chamfering module on thicknesser
CN214186578U (en) Tungsten needle grinding device capable of freely adjusting angle
CN219520519U (en) Cutter capable of adjusting angle of cutter grain
CN216882069U (en) Hand-held cutting machine
CN219212360U (en) Numerical control clamp with steering structure
CN210731026U (en) Lathe tool rest with adjustable fastening position
CN208483541U (en) Rotary knife cutter
CN219881465U (en) Cutting tool and cutting device
CN217130761U (en) Rotary switching buckle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant