CN108705451A - A kind of abrasive Flow burr removal fixture - Google Patents

A kind of abrasive Flow burr removal fixture Download PDF

Info

Publication number
CN108705451A
CN108705451A CN201810540487.0A CN201810540487A CN108705451A CN 108705451 A CN108705451 A CN 108705451A CN 201810540487 A CN201810540487 A CN 201810540487A CN 108705451 A CN108705451 A CN 108705451A
Authority
CN
China
Prior art keywords
fixedly connected
cutting ferrule
abrasive flow
burr removal
slot
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.)
Granted
Application number
CN201810540487.0A
Other languages
Chinese (zh)
Other versions
CN108705451B (en
Inventor
李俊烨
苏宁宁
李学光
张心明
刘建河
赵伟宏
刘正彬
罗郑楷
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.)
Changchun University of Science and Technology
Original Assignee
Changchun University of Science and Technology
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 Changchun University of Science and Technology filed Critical Changchun University of Science and Technology
Priority to CN201810540487.0A priority Critical patent/CN108705451B/en
Publication of CN108705451A publication Critical patent/CN108705451A/en
Application granted granted Critical
Publication of CN108705451B publication Critical patent/CN108705451B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/083Deburring

Abstract

The invention discloses a kind of abrasive Flow burr removal fixtures, including support frame device, the left end of support frame as described above device is fixedly connected with clamping device, the clamping device is slidably socketed with three-way pipe, the three-way pipe is slidably socketed with positioning device, the positioning device is clamped with support frame device, the positioning device includes the second cutting ferrule, second connecting tube, connecting rod, locating slot, sliding block, guide rod, card slot, mobile bar, square groove, third cutting ferrule, third connecting tube, locating shaft, torsional spring and bayonet lock, second cutting ferrule is slidably socketed with three-way pipe, the lower end of second cutting ferrule is fixedly connected with the second connecting tube, the left end of second cutting ferrule is fixedly connected with connecting rod, the connecting rod is provided with locating slot.The abrasive Flow burr removal fixture can realize convenient disassembly using positioning device and clamping device, cutting ferrule is conveniently replaceable, to meet the processing of the three-way pipe of different size.

Description

A kind of abrasive Flow burr removal fixture
Technical field
The present invention relates to abrasive Flow burr removal fixture technical field, specially a kind of abrasive Flow burr removal fixture.
Background technology
The process principle of abrasive Flow is by a kind of pressing method, and abrasive material has mobility, and particle therein is constantly Workpiece surface is ground, polishing and deburring are completed.
In mechanical processing, polishing is inconvenient when some accurate threeway inside pipe wall deburrings, commonly uses abrasive Flow Machining, mill Grain stream plus man-hour requirement carry out clamping using frock clamp to workpiece, and the nozzle of three-way pipe is required for clamping cutting ferrule, and the one of cutting ferrule End connection abrasive grain flow device, is removed the burr of threeway inside pipe wall by the movement of abrasive material.But common three-way pipe deburring Tooling dismounting is inconvenient, and is unfavorable for carrying out replacement cutting ferrule, to meet the processing of the three-way pipe of different size.
Invention content
The purpose of the present invention is to provide a kind of abrasive Flow burr removal fixtures, to solve mentioned above in the background art ask Topic.
To achieve the above object, the present invention adopts the following technical scheme that:A kind of abrasive Flow burr removal fixture, including supporting rack The left end of device, support frame as described above device is fixedly connected with clamping device, and the clamping device is slidably socketed with three-way pipe, described Three-way pipe is slidably socketed with positioning device, and the positioning device is clamped with support frame device, and the positioning device includes the second card Set, is determined at the second connecting tube, connecting rod, locating slot, sliding block, guide rod, card slot, mobile bar, square groove, third cutting ferrule, third connecting tube Position axis, torsional spring and bayonet lock, second cutting ferrule are slidably socketed with three-way pipe, and the lower end of second cutting ferrule is fixedly connected with second The left end of connecting tube, second cutting ferrule is fixedly connected with connecting rod, and the connecting rod is provided with locating slot, and the left end of the connecting rod is solid Surely it is connected with sliding block, the right end of second cutting ferrule is fixedly connected with guide rod, and the guide rod is rectangular, and the guide rod is provided with card The outside sliding sleeve of slot, the guide rod is connected to mobile bar, and the upper end of the mobile bar is fixedly connected with third cutting ferrule, the third Cutting ferrule is slidably socketed with three-way pipe, and the right end of the third cutting ferrule is fixedly connected with third connecting tube, the right end of the mobile bar It is fixedly connected with locating shaft.
Preferably, support frame as described above device includes supporting rack, sliding slot, guide holder, pilot hole, positioning pin and spring, described Supporting rack is provided with sliding slot, and the sliding slot is slidably connected with sliding block, and the right end of support frame as described above is fixedly connected with guide holder.
Preferably, the clamping device includes the first cutting ferrule, the first connecting tube, slide bar, straight slot, threaded rod, annular groove, branch Support seat, through-hole, turntable, handle, fixed frame and gag lever post, the upper end of first cutting ferrule are fixedly connected with the first connecting tube, institute The left end for stating the first cutting ferrule is fixedly connected with slide bar, and the slide bar has been connected through a screw thread threaded rod, and the threaded rod is provided with Annular groove, the threaded rod and support base pivot bush unit, the lower end of the threaded rod are fixedly connected with turntable, under the turntable End is fixedly connected with handle.
Preferably, the guide holder is provided with pilot hole, and sliding sleeve is connected to positioning pin, the positioning pin in the pilot hole Outside be socketed with spring, the positioning pin is clamped with locating slot.
Preferably, the slide bar is provided with straight slot, and the straight slot is slidably socketed with supporting rack.
Preferably, the support base is fixedly connected with supporting rack, and the support base is provided with through-hole, the through-hole and screw thread Bar pivot bush unit.
Preferably, the upper end of the support base is fixedly connected with fixed frame, is connected through a screw thread in the fixed frame limited Position bar, the gag lever post are slidably connected with annular groove.
Preferably, the mobile bar is provided with square groove, and the square groove is slidably socketed with guide rod.
Preferably, torsional spring is socketed on the outside of the locating shaft, the left end of the torsional spring is fixedly connected with mobile bar, described The outside movable sleeve of locating shaft is connected to bayonet lock, and the bayonet lock is fixedly connected with the right end of torsional spring, and the bayonet lock is clamped with card slot.
Compared with prior art, the beneficial effects of the invention are as follows:The abrasive Flow burr removal fixture uses positioning device and folder Tight device can realize convenient disassembly, cutting ferrule is conveniently replaceable, to meet the processing of the three-way pipe of different size.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is enlarged drawing at a of the present invention;
Fig. 3 is enlarged drawing at the b of the present invention;
Fig. 4 is enlarged drawing at the c of the present invention.
In figure:1 support frame device, 11 supporting racks, 12 sliding slots, 13 guide holders, 14 pilot holes, 15 positioning pins, 16 springs, 2 Clamping device, 21 first cutting ferrules, 22 first connecting tubes, 23 slide bars, 24 straight slots, 25 threaded rods, 26 annular grooves, 27 support bases, 28 Through-hole, 29 turntables, 210 handles, 211 fixed frames, 212 gag lever posts, 3 three-way pipes, 4 positioning devices, 41 second cutting ferrules, 42 second connect Take over, 43 connecting rods, 44 locating slots, 45 sliding blocks, 46 guide rods, 47 card slots, 48 mobile bars, 49 square grooves, 410 third cutting ferrules, 411 Three connecting tubes, 412 locating shafts, 413 torsional springs, 414 bayonet locks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of the description present invention, does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of abrasive Flow burr removal fixture, including support are rack-mounted 1 is set, support frame device 1 includes supporting rack 11, sliding slot 12, guide holder 13, pilot hole 14, positioning pin 15 and spring 16, supporting rack 11 are provided with sliding slot 12, and sliding slot 12 is slidably connected with sliding block 45, and the right end of supporting rack 11 is fixedly connected with guide holder 13, guide holder 13 are provided with pilot hole 14, and sliding sleeve is connected to positioning pin 15 in pilot hole 14, and the outside of positioning pin 15 is socketed with spring 16, has Compression elasticity acts on, and positioning pin 15 is clamped with locating slot 44, and the left end of support frame device 1 is fixedly connected with clamping device 2, clamps Device 2 includes the first cutting ferrule 21, the first connecting tube 22, slide bar 23, straight slot 24, threaded rod 25, annular groove 26, support base 27, leads to The upper end of hole 28, turntable 29, handle 210, fixed frame 211 and gag lever post 212, the first cutting ferrule 21 is fixedly connected with the first connecting tube 22, the first connecting tube 22 is connect with abrasive grain flow device, and the left end of the first cutting ferrule 21 is fixedly connected with slide bar 23, and slide bar 23 is provided with Straight slot 24, straight slot 24 are slidably socketed with supporting rack 11, and slide bar 23 has been connected through a screw thread threaded rod 25, and screw thread fortune can occur It is dynamic, generate relative displacement, threaded rod 25 is provided with annular groove 26, threaded rod 25 and 27 pivot bush unit of support base, support base 27 with Supporting rack 11 is fixedly connected, and support base 27 is provided with through-hole 28, through-hole 28 and 25 pivot bush unit of threaded rod, the lower end of threaded rod 25 It is fixedly connected with turntable 29, the lower end of turntable 29 is fixedly connected with handle 210, and the upper end of support base 27 is fixedly connected with fixed frame 211, gag lever post 212 has been connected through a screw thread in fixed frame 211, and gag lever post 212 is slidably connected with annular groove 26, clamping device 2 It is slidably socketed with three-way pipe 3, three-way pipe 3 is slidably socketed with positioning device 4, and positioning device 4 is clamped with support frame device 1, positioning Device 4 includes the second cutting ferrule 41, the second connecting tube 42, connecting rod 43, locating slot 44, sliding block 45, guide rod 46, card slot 47, mobile bar 48, square groove 49, third cutting ferrule 410, third connecting tube 411, locating shaft 412, torsional spring 413 and bayonet lock 414, the second cutting ferrule 41 with Three-way pipe 3 is slidably socketed, and the lower end of the second cutting ferrule 41 is fixedly connected with the second connecting tube 42, and the second connecting tube 42 is set with abrasive Flow Standby connection, the left end of the second cutting ferrule 41 are fixedly connected with connecting rod 43, and connecting rod 43 is provided with locating slot 44, and the left end of connecting rod 43 is fixed It is connected with sliding block 45, the right end of the second cutting ferrule 41 is fixedly connected with guide rod 46, and guide rod 46 is rectangular, and guide rod 46 is provided with card slot 47, the outside sliding sleeve of guide rod 46 is connected to mobile bar 48, and mobile bar 48 is provided with square groove 49, and square groove 49 is slided with guide rod 46 Socket, the upper end of mobile bar 48 are fixedly connected with third cutting ferrule 410, and third cutting ferrule 410 is slidably socketed with three-way pipe 3, third card The right end of set 410 is fixedly connected with third connecting tube 411, and third connecting tube 411 is connect with abrasive grain flow device, the right side of mobile bar 48 End is fixedly connected with locating shaft 412, and the outside of locating shaft 412 is socketed with torsional spring 413, has twisting force, the left end of torsional spring 413 It is fixedly connected with mobile bar 48, the outside movable sleeve of locating shaft 412 is connected to bayonet lock 414, and bayonet lock 414 and the right end of torsional spring 413 are solid Fixed connection, bayonet lock 414 are clamped with card slot 47.
The present invention is in the specific implementation:When needing to be dismantled clamping device 2, swing handle 210,29 turns of turntable Dynamic, threaded rod 25 rotates, and gag lever post 212 occurs to slide relatively with annular groove 26, and gag lever post 212 limits annular groove 26 Position, avoids threaded rod 25 from moving axially, and when threaded rod 25 rotates, threading action can occur with slide bar 23, generate opposite Displacement, since threaded rod 25 is limited, therefore slide bar 23 is moved up along supporting rack 11, and the first cutting ferrule 21 moves up, and leaves Three-way pipe 3, until slide bar 23 leaves threaded rod 25, clamping device 2 can be disassembled, convenient and efficient;It is positioned when needing to dismantle When device 3, bayonet lock 414 is stirred, bayonet lock 414 is rotated around locating shaft 412, and leaves card slot 47, the third that then moves right cutting ferrule 410, third cutting ferrule 410 leaves three-way pipe 3, and mobile bar 48 moves right along guide rod 46, until being detached with guide rod 46, then up Running fix pin 15, positioning pin 15 are moved up along pilot hole 14, and spring 16 compresses, and positioning pin 15 leaves locating slot 44, then Mobile second cutting ferrule 41, connecting rod 43 move, and sliding block 45 is moved along sliding slot 12, until being detached with sliding slot 12, you can realize dismounting, side Just quick, convenient for being replaced to the first cutting ferrule 21, the second cutting ferrule 41 and third cutting ferrule 410, to meet the threeway of different size The processing of pipe 3.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (9)

1. a kind of abrasive Flow burr removal fixture, including support frame device (1), it is characterised in that:A left side for support frame as described above device (1) End be fixedly connected with clamping device (2), the clamping device (2) is slidably socketed with three-way pipe (3), the three-way pipe (3) with calmly Position device (4) is slidably socketed, and the positioning device (4) is clamped with support frame device (1), and the positioning device (4) includes second Cutting ferrule (41), the second connecting tube (42), connecting rod (43), locating slot (44), sliding block (45), guide rod (46), card slot (47), mobile bar (48), square groove (49), third cutting ferrule (410), third connecting tube (411), locating shaft (412), torsional spring (413) and bayonet lock (414), second cutting ferrule (41) is slidably socketed with three-way pipe (3), and the lower end of second cutting ferrule (41) is fixedly connected with The left end of two connecting tubes (42), second cutting ferrule (41) is fixedly connected with connecting rod (43), and the connecting rod (43) is provided with positioning The left end of slot (44), the connecting rod (43) is fixedly connected with sliding block (45), and the right end of second cutting ferrule (41) is fixedly connected with Guide rod (46), the guide rod (46) are rectangular, and the guide rod (46) is provided with card slot (47), the outer Slideslip of the guide rod (46) It is socketed with mobile bar (48), the upper end of the mobile bar (48) is fixedly connected with third cutting ferrule (410), the third cutting ferrule (410) it is slidably socketed with three-way pipe (3), the right end of the third cutting ferrule (410) is fixedly connected with third connecting tube (411), institute The right end for stating mobile bar (48) is fixedly connected with locating shaft (412).
2. a kind of abrasive Flow burr removal fixture according to claim 1, it is characterised in that:Support frame as described above device (1) wraps Include supporting rack (11), sliding slot (12), guide holder (13), pilot hole (14), positioning pin (15) and spring (16), support frame as described above (11) it is provided with sliding slot (12), the sliding slot (12) is slidably connected with sliding block (45), and the right end of support frame as described above (11), which is fixed, to be connected It is connected to guide holder (13).
3. a kind of abrasive Flow burr removal fixture according to claim 1, it is characterised in that:The clamping device (2) includes First cutting ferrule (21), the first connecting tube (22), slide bar (23), straight slot (24), threaded rod (25), annular groove (26), support base (27), through-hole (28), turntable (29), handle (210), fixed frame (211) and gag lever post (212), first cutting ferrule (21) Upper end is fixedly connected with the first connecting tube (22), and the left end of first cutting ferrule (21) is fixedly connected with slide bar (23), the cunning Bar (23) has been connected through a screw thread threaded rod (25), and the threaded rod (25) is provided with annular groove (26), the threaded rod (25) With support base (27) pivot bush unit, the lower end of the threaded rod (25) is fixedly connected with turntable (29), under the turntable (29) End is fixedly connected with handle (210).
4. a kind of abrasive Flow burr removal fixture according to claim 1 or 2, it is characterised in that:The guide holder (13) sets It is equipped with pilot hole (14), the interior sliding sleeve of the pilot hole (14) is connected to positioning pin (15), the outside socket of the positioning pin (15) There are spring (16), the positioning pin (15) to be clamped with locating slot (44).
5. a kind of abrasive Flow burr removal fixture according to claim 1 or 2 or 3, it is characterised in that:The slide bar (23) sets It is equipped with straight slot (24), the straight slot (24) is slidably socketed with supporting rack (11).
6. a kind of abrasive Flow burr removal fixture according to claim 1 or 2 or 3, it is characterised in that:The support base (27) It is fixedly connected with supporting rack (11), the support base (27) is provided with through-hole (28), and the through-hole (28) is living with threaded rod (25) Dynamic socket.
7. a kind of abrasive Flow burr removal fixture according to claim 1 or 3, it is characterised in that:The support base (27) Upper end is fixedly connected with fixed frame (211), and gag lever post (212), the limit have been connected through a screw thread in the fixed frame (211) Bar (212) is slidably connected with annular groove (26).
8. a kind of abrasive Flow burr removal fixture according to claim 1, it is characterised in that:The mobile bar (48) is provided with Square groove (49), the square groove (49) are slidably socketed with guide rod (46).
9. a kind of abrasive Flow burr removal fixture according to claim 1, it is characterised in that:Outside the locating shaft (412) Side is socketed with torsional spring (413), and the left end of the torsional spring (413) is fixedly connected with mobile bar (48), outside the locating shaft (412) Side movable sleeve is connected to bayonet lock (414), and the bayonet lock (414) is fixedly connected with the right end of torsional spring (413), the bayonet lock (414) with Card slot (47) is clamped.
CN201810540487.0A 2018-05-31 2018-05-31 Abrasive flow deburring tool Active CN108705451B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810540487.0A CN108705451B (en) 2018-05-31 2018-05-31 Abrasive flow deburring tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810540487.0A CN108705451B (en) 2018-05-31 2018-05-31 Abrasive flow deburring tool

Publications (2)

Publication Number Publication Date
CN108705451A true CN108705451A (en) 2018-10-26
CN108705451B CN108705451B (en) 2020-03-31

Family

ID=63869923

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810540487.0A Active CN108705451B (en) 2018-05-31 2018-05-31 Abrasive flow deburring tool

Country Status (1)

Country Link
CN (1) CN108705451B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109571270A (en) * 2018-12-20 2019-04-05 西安航天发动机有限公司 A kind of ejector filler disk abrasive Flow Machining burr remover
CN110842750A (en) * 2019-11-13 2020-02-28 中国航发动力股份有限公司 Clamping device for abrasive flow deburring machine and mounting method thereof
CN111390745A (en) * 2020-03-31 2020-07-10 中国航发动力股份有限公司 Universal tool for high-pressure abrasive flow deburring machine and use method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273985A (en) * 1978-05-04 1981-06-16 Paton Boris E Internal resistance pipe butt welder
CN205271622U (en) * 2015-11-25 2016-06-01 重庆帅昌机械制造有限公司 Tee bend oil circuit connector clamp tightly reaches terminal surface grinding device
CN107866765A (en) * 2017-12-05 2018-04-03 王云龙 A kind of positioning clamping machine for three-way pipe
CN207255018U (en) * 2017-07-05 2018-04-20 全南县超亚科技有限公司 A kind of ellipse magnetic conductive head frock
CN207309464U (en) * 2017-10-11 2018-05-04 天津市石化管件有限公司 A kind of elbow tee pipe fitting drilling device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273985A (en) * 1978-05-04 1981-06-16 Paton Boris E Internal resistance pipe butt welder
CN205271622U (en) * 2015-11-25 2016-06-01 重庆帅昌机械制造有限公司 Tee bend oil circuit connector clamp tightly reaches terminal surface grinding device
CN207255018U (en) * 2017-07-05 2018-04-20 全南县超亚科技有限公司 A kind of ellipse magnetic conductive head frock
CN207309464U (en) * 2017-10-11 2018-05-04 天津市石化管件有限公司 A kind of elbow tee pipe fitting drilling device
CN107866765A (en) * 2017-12-05 2018-04-03 王云龙 A kind of positioning clamping machine for three-way pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109571270A (en) * 2018-12-20 2019-04-05 西安航天发动机有限公司 A kind of ejector filler disk abrasive Flow Machining burr remover
CN110842750A (en) * 2019-11-13 2020-02-28 中国航发动力股份有限公司 Clamping device for abrasive flow deburring machine and mounting method thereof
CN111390745A (en) * 2020-03-31 2020-07-10 中国航发动力股份有限公司 Universal tool for high-pressure abrasive flow deburring machine and use method thereof

Also Published As

Publication number Publication date
CN108705451B (en) 2020-03-31

Similar Documents

Publication Publication Date Title
CN108705451A (en) A kind of abrasive Flow burr removal fixture
CN203566170U (en) Positioning clamp for pipeline machining
CN209830927U (en) Clamp for processing external thread of copper pipe
CN107984013B (en) A kind of milling cutter for crossing to workpiece
CN105014279A (en) Cone-shaped tube machining, locating and clamping device
CN212192464U (en) Steel pipe end shaping device
CN110814417A (en) Square pipe surrounding type cutting equipment
CN209503586U (en) A kind of workbench of steel tube cutting machine
CN106312641A (en) Flexible scattered micro-ball clamping and positioning device
CN207335596U (en) A kind of detection device of PE tubing
CN104476324A (en) Processing fixture of pipe material halving slot
CN111673498A (en) Machining center that work efficiency is high
CN204818576U (en) Spiral pipe welding jig
CN108581813B (en) A kind of mold processing abrasive Flow burnishing device
CN208113094U (en) One kind using clamping device for pcb board production
CN110757559B (en) Guide fixing device convenient to tubular product cutting
CN107511422B (en) A kind of tube body punching apparatus
CN209288713U (en) A kind of decorations steel pipe fusion splicing devices
CN109164549B (en) Coaxial device coupling device
CN209255943U (en) A kind of seamless steel pipe hole milling fixture
CN208681328U (en) A kind of round piece grinding clamp
CN111531248A (en) Small-bore elbow groove machining tool
CN108857894A (en) A kind of round piece grinding clamp
CN110125800A (en) A kind of support device for thin-walled parts polishing
CN105014278A (en) Cone-shaped pipe machining and locating device

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