CN109693321A - A kind of tool of fast accurate positioning blank graphite electrode end-face central hole - Google Patents

A kind of tool of fast accurate positioning blank graphite electrode end-face central hole Download PDF

Info

Publication number
CN109693321A
CN109693321A CN201910113205.3A CN201910113205A CN109693321A CN 109693321 A CN109693321 A CN 109693321A CN 201910113205 A CN201910113205 A CN 201910113205A CN 109693321 A CN109693321 A CN 109693321A
Authority
CN
China
Prior art keywords
lead screw
bearing
claw
hole
tool
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
CN201910113205.3A
Other languages
Chinese (zh)
Other versions
CN109693321B (en
Inventor
郭少波
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.)
Datong Yulinde Graphite Equipment Co Ltd
Original Assignee
Datong Yulinde Graphite Equipment 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 Datong Yulinde Graphite Equipment Co Ltd filed Critical Datong Yulinde Graphite Equipment Co Ltd
Priority to CN201910113205.3A priority Critical patent/CN109693321B/en
Publication of CN109693321A publication Critical patent/CN109693321A/en
Application granted granted Critical
Publication of CN109693321B publication Critical patent/CN109693321B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling

Abstract

The invention discloses a kind of tools of fast accurate positioning blank graphite electrode end-face central hole, including claw and support column, mounting hole is provided on the outside of the rear end of the claw, and six hole feed screw nuts are installed on the outside of mounting hole, and the rear end bottom of claw is connected with bearing weldering bar, the right end of the bearing weldering bar is equipped with bearing weldment, and the inside of bearing weldment and six hole feed screw nuts is mounted on hollow lead screw, and the right end of hollow lead screw is fixed with lead screw spanner.The tool of fast accurate positioning blank graphite electrode end-face central hole passes through with simple theory of mechanics manually looking for the precision, speed and convenience of electrode end surface centre bore all to improve, it is originally manually four point positioning, ruler measures 4 sizes, position estimates generally, measurement error human error can be very big, the scrappage of product is higher, and easy to operate to see ruler without reading, measurement accuracy is high, speed is fast, finished product rate is high.

Description

A kind of tool of fast accurate positioning blank graphite electrode end-face central hole
Technical field
The present invention relates to graphite electrode technical field, specially a kind of fast accurate positions blank graphite electrode end face center The tool in hole.
Background technique
Graphite electrode is a kind of applied to industries such as electric furnace steel making and ore-smelting electric furnaces, end and furnace charge using graphite electrode Between the high temperature that generates heated, the graphite electrode end face of blank material and axial plane in processing are all rough, end faces The position of centre bore has to manual measurement four point positioning, and the centre bore come out in this way is very slow, and precision is not also high, many graphite Electrode is scrapped because end-face central hole is not found accurately, and daily production also delays production because looking for end-face central hole too slow often, institute To need a kind of tool of fast accurate positioning blank graphite electrode end-face central hole now, and facilitate alignment hole worker The work of master worker, thus we just propose fast accurate positioning blank graphite electrode end-face central hole tool can be good at Solve problem above.
Summary of the invention
The purpose of the present invention is to provide a kind of tools of fast accurate positioning blank graphite electrode end-face central hole, with solution Certainly above-mentioned background technique propose it is traditional currently on the market need manual measurement to look for centre bore, it is slower to look for centre bore, essence Spend low problem.
To achieve the above object, the invention provides the following technical scheme: a kind of fast accurate positions blank graphite electrode end The rear end outside of the tool of face centre bore, including claw and support column, the claw is provided with mounting hole, and the outside of mounting hole Six hole feed screw nuts are installed, and the rear end bottom of claw is connected with bearing weldering bar, the right end of the bearing weldering bar is equipped with Bearing weldment, and the inside of bearing weldment and six hole feed screw nuts is mounted on hollow lead screw, and the right end of hollow lead screw is solid Surely there is lead screw spanner, the hollow lead screw is internally provided with center needle, and the bottom end of the bearing weldering bar is equipped with support column, and It is provided with base body below support column, electrode, the inside peace of the base body are provided on the inside of the left end of the claw Equipped with bull stick, and base body is connected by movable axis with support column, and the bottom end of the support column is equipped with half gear, and half The bottom end of gear connects with teeth piece, and the bottom end of tooth block is fixed with movable plate, and the movable plate is internally connected with bull stick, and The bottom end of movable plate is equipped with limit plate, and limiting slot is provided with below limit plate, is provided with below the limiting slot Base body.
Preferably, there are six the claw settings, and the connection type of the rear end of claw and the front end of bearing weldering bar is pin It is connected, and the connection type of the middle and back of 6 claws and six hole feed screw nuts is nested encryptions, six hole feed screw nut 6 mounting holes that inside is evenly distributed with, the middle and back of 6 claws are nested in 6 mounting holes of six hole feed screw nuts.
Preferably, the bearing weldment includes outer race and bearing inner ring, and outer race and bearing weld rod rear end phase Welding, and six bearing weldering bars are uniformly welded on outer race, and the bearing inner ring and hollow lead screw are interference fit.
Preferably, the hollow lead screw is threadedly coupled with the connection type of six hole feed screw nuts, and in hollow lead screw Back segment and bearing weldment are interference fit, and the connection type of the end of hollow lead screw and lead screw spanner is welding.
Preferably, the connection type of the center needle and hollow lead screw is nested encryptions, and the length of center needle is greater than sky The length of heart lead screw.
Preferably, the bull stick is to be threadedly coupled, and movable plate is structure as a whole with tooth block with the connection type of movable plate.
Compared with prior art, the beneficial effects of the present invention are: the fast accurate positions blank graphite electrode end face center The tool in hole is fixed by the cooperation of claw, and the center needle of enabling to quickly looks for center point, is reduced error, is kept away Exempt from scrap of the product, facilitates the operation of staff;
(1) tool that blank graphite electrode end-face central hole is positioned by the fast accurate, with simple theory of mechanics Manually looking for the precision, speed and convenience of electrode end surface centre bore all to improve, originally manually only four point positioning, ruler are surveyed 4 sizes are measured, position estimates generally, and amount error human error can be very big, and the scrappage of product is higher, easy to operate Ruler is seen without reading, and measurement accuracy is high, speed is fast, finished product rate is high;
(2) six hole feed screw nuts and hollow lead screw are installed, and then six hole lead screw spiral shells are driven by the rotation of hollow lead screw Mother moves, so that 6 mounting holes inside six hole feed screw nuts well open and close 6 claws, In order to which whole device is well fixed electrode, it is convenient for positioning center hole, 6 mounting holes are in horn mouth, and it is pre-large post-small, At osculum and the outer diameter of claw is transition fit, controls the folding of claw well;
(3) movable plate and bull stick are fixed with, the connection type of movable plate and bull stick is to be threadedly coupled, and then pass through bull stick Rotation drive movable plate rotated, and then plate easy to remove connect by tooth block with the engagement of half gear drive support column and Bearing weldering bar is rotated, and in order to carry out 30 ° of rotation to whole device, improves the postrotational stability of whole device, in turn Convenient for secondary comparison positioning.
Detailed description of the invention
Fig. 1 is that the whole master of the present invention cuts open structural schematic diagram;
Fig. 2 connect right side structural representation with hollow lead screw for center needle of the present invention;
Fig. 3 is six hole feed screw nut side structure schematic views of the invention;
Fig. 4 connect right side structural representation with support column for base body of the present invention
Fig. 5 is bearing weldment schematic view of the front view of the present invention;
Fig. 6 is A enlarged structure schematic diagram in Fig. 1 of the present invention.
In figure: 1, claw;2, six hole feed screw nut;3, bearing welds bar;4, bearing weldment;401, outer race;402, axis Hold inner ring;5, hollow lead screw;6, lead screw spanner;7, center needle;8, electrode;9, support column;10, base body;11, bull stick;12, Mounting hole;13, movable axis;14, half gear;15, movable plate;16, limit plate;17, limiting slot;18, tooth block.
Specific embodiment
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 description, 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.
It please refers to Fig. 1-6 present invention and a kind of technical solution is provided: in a kind of fast accurate positioning blank graphite electrode end face The tool in heart hole, including claw 1, six hole feed screw nuts 2, bearing weldering bar 3, bearing weldment 4, hollow lead screw 5, lead screw spanner 6, Center needle 7, electrode 8, support column 9, base body 10, bull stick 11, mounting hole 12, movable axis 13, half gear 14, movable plate 15, Limit plate 16, limiting slot 17 and tooth block 18, the rear end outside of claw 1 are provided with mounting hole 12, and the outside installation of mounting hole 12 There are six hole feed screw nuts 2, and the rear end bottom of claw 1 is connected with bearing weldering bar 3, the right end of bearing weldering bar 3 is equipped with bearing Weldment 4, and the inside of bearing weldment 4 and six hole feed screw nuts 2 is mounted on hollow lead screw 5, and the right end of hollow lead screw 5 is solid Surely there is lead screw spanner 6, hollow lead screw 5 is internally provided with center needle 7, and the bottom end of bearing weldering bar 3 is equipped with support column 9, and props up The lower section of dagger 9 is provided with base body 10, is provided with electrode 8 on the inside of the left end of claw 1, the inside of base body 10 is equipped with Bull stick 11, and base body 10 is connected by movable axis 13 with support column 9, the bottom end of support column 9 is equipped with half gear 14, and The bottom end of half gear 14 connects with teeth piece 18, and the bottom end of tooth block 18 is fixed with movable plate 15, the inside connection of movable plate 15 There is bull stick 11, and the bottom end of movable plate 15 is equipped with limit plate 16, and the lower section of limit plate 16 is provided with limiting slot 17, limits The lower section of slot 17 is provided with base body 10;
There are six the settings of claw 1, and the rear end of claw 1 is connected with the connection type of the front end of bearing weldering bar 3 for pin, and The connection type of the middle and back of 6 claws 1 and six hole feed screw nuts 2 is nested encryptions, and the inside of six hole feed screw nuts 2 is uniformly divided The middle and back for 6 mounting holes, 12,6 claws 1 being furnished with is nested in 6 mounting holes 12 of six hole feed screw nuts 2, and then is passed through The movement of six hole feed screw nuts 2 well opens or closes claw 1, to be clamped fixation to workpiece well;
Bearing weldment 4 includes outer race 401 and bearing inner ring 402, and outer race 401 and bearing weld 3 rear end phase of bar Welding, and six bearing weldering bars 3 are uniformly welded on outer race 401, and bearing inner ring 402 is matched with hollow lead screw 5 for interference It closes, in order to which bearing weldment 4 well rotates hollow lead screw 5;
Hollow lead screw 5 is threadedly coupled with the connection type of six hole feed screw nuts 2, and the posterior segment of hollow lead screw 5 and axis Weldment 4 is held as interference fit, and the connection type of the end of hollow lead screw 5 and lead screw spanner 6 is welding, and then by hollow The rotation of lead screw 5 drives six hole feed screw nuts 2 to be moved well;
The connection type of center needle 7 and hollow lead screw 5 is nested encryptions, and the length of center needle 7 is greater than hollow lead screw 5 Length looks for centre bore in order to which center needle 7 carries out movement well;
Bull stick 11 is to be threadedly coupled, and movable plate 15 is structure as a whole with tooth block 18 with the connection type of movable plate 15, into And the movable plate 15 in outside is driven to be moved convenient for the rotation of bull stick 11.
Working principle: when using the tool of fast accurate positioning blank graphite electrode end-face central hole, firstly, by whole A device is moved in working region, and after reaching working region, the base body 10 of whole device bottom is passed through extraneous work Tool is fixed with working region, and then is supported well to whole device by base body 10, in order to entirely fill Stable use is set, then, whole device can carry out using, as shown in Figure 1, in processing graphite electrode 8 first Process is exactly that six hole feed screw nuts 2 are first fallen back on to the rear end of claw 1 to both ends of the surface centering, and the mouth of such claw 1 reaches Maximum inwardly looks for 100mm from one end of electrode 8, draws the reference line of a ring electrode 8, the top of claw 1 is with this reference line For reference, then rotates forward lead screw spanner 6 and hollow lead screw 5 is driven to rotate, as shown in Figure 1-3, hollow lead screw 5 is in the process of moving Six hole feed screw nuts 2 are pushed to advance, six hole feed screw nuts 2 move ahead and press six claws, 1 contraction clip live electrode 8, at this moment use center Needle 7 pricks a centre bore in 8 end face of electrode, then inverts hollow lead screw 5, as described above, similarly, claw 1 unclamps electrode 8;
Then, as shown in Figure 1 and Figure 4, staff rotates bull stick 11, and bull stick 11 and base body 10 carry out bearing rotation Turn, the movable plate 15 of outside screw connection is driven to carry out forward or move backward during bull stick 11 rotates, at this moment, The limit plate 16 of 15 bottom of movable plate is moved in the limiting slot 17 inside base body 10, so that movable plate 15 is steady Fixed move, and movable plate 15 is connect by the tooth block 18 at top with the engagement of half gear 14 in the process of moving, thus Half gear 14 is driven to be rotated together with support column 9, support column 9 is rotated with base body 10 by movable axis 13, by This welds bar 3 by rotation of support column 9 band dynamic bearing and is rotated so that entire tool rotate 30 ° it is (suitable, counterclockwise all Can be with), operation above is then repeated, pricks a centre bore again, unclamps 1 taking off tool of claw, if two Kong Chong pricked Close be 8 end-face central hole of electrode, if two holes are not overlapped, the center of two hole lines is 8 end-face central hole of electrode, it is above just It is the use process of whole device, the content being not described in detail in this specification belongs to well known to professional and technical personnel in the field The prior art.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims (6)

1. a kind of tool of fast accurate positioning blank graphite electrode end-face central hole, including claw (1) and support column (9), It is characterized in that: being provided with mounting hole (12) on the outside of the rear end of the claw (1), and six holes silk is installed on the outside of mounting hole (12) Thick stick nut (2), and the rear end bottom of claw (1) is connected with bearing weldering bar (3), and the right end of bearing weldering bar (3) is equipped with Bearing weldment (4), and the inside of bearing weldment (4) and six hole feed screw nuts (2) is mounted on hollow lead screw (5), and hollow The right end of lead screw (5) is fixed with lead screw spanner (6), and the hollow lead screw (5) is internally provided with center needle (7), the bearing The bottom end of weldering bar (3) is equipped with support column (9), and base body (10) are provided with below support column (9), the claw (1) Left end on the inside of be provided with electrode (8), the inside of the base body (10) is equipped with bull stick (11), and base body (10) is logical It crosses movable axis (13) to be connected with support column (9), the bottom end of the support column (9) is equipped with half gear (14), and half gear (14) bottom end connects with teeth piece (18), and the bottom end of tooth block (18) is fixed with movable plate (15), the movable plate (15) It is internally connected with bull stick (11), and the bottom end of movable plate (15) is equipped with limit plate (16), and is set below limit plate (16) It is equipped with limiting slot (17), is provided with base body (10) below the limiting slot (17);
The bearing weldment (4) includes outer race (401) and bearing inner ring (402), and outer race (401) and bearing weld bar (3) rear end is mutually welded, and six bearings weldering bar (3) is uniformly welded on outer race (401), the bearing inner ring (402) with Hollow lead screw (5) is interference fit.
2. a kind of tool of fast accurate positioning blank graphite electrode end-face central hole according to claim 1, feature Be: there are six claw (1) settings, and the connection type of the rear end of claw (1) and the front end of bearing weldering bar (3) is pin phase Even, and the connection type of the middle and back of 6 claws (1) and six hole feed screw nuts (2) is nested encryptions, the six holes lead screw spiral shell 6 mounting holes (12) that the inside of female (2) is evenly distributed with, the middle and back of 6 claws (1) is nested in six hole feed screw nuts (2) in 6 mounting holes (12).
3. a kind of tool of fast accurate positioning blank graphite electrode end-face central hole according to claim 1, feature Be: the hollow lead screw (5) and the connection type of six hole feed screw nuts (2) be threadedly coupled, and in hollow lead screw (5) after Section is interference fit with bearing weldment (4), and the connection type of the end of hollow lead screw (5) and lead screw spanner (6) is welding.
4. a kind of tool of fast accurate positioning blank graphite electrode end-face central hole according to claim 1, feature Be: the connection type of the center needle (7) and hollow lead screw (5) is nested encryptions, and the length of center needle (7) is greater than hollow The length of lead screw (5).
5. a kind of tool of fast accurate positioning blank graphite electrode end-face central hole according to claim 1, feature Be: the bull stick (11) is to be threadedly coupled, and movable plate (15) and tooth block (18) are one with the connection type of movable plate (15) Body structure.
6. a kind of tool of fast accurate positioning blank graphite electrode end-face central hole according to claim 1, feature It is: the working principle of the tool of the fast accurate positioning blank graphite electrode end-face central hole are as follows: in use, firstly, will Whole device is moved in working region, and after reaching working region, the base body (10) of whole device bottom is passed through the external world Tool be fixed with working region, and then whole device is supported well by base body (10), in order to The stable use of whole device, then, whole device can carry out using, first of work at processing graphite electrode (8) Sequence is exactly that six hole feed screw nuts (2) are first fallen back on to the rear end of claw (1) to both ends of the surface centering, and the mouth of such claw (1) is opened Maximum has been arrived, has inwardly looked for 100mm from one end of electrode (8), has drawn the reference line of a ring electrode (8), the top of claw (1) is with this Reference line is reference, then rotates forward lead screw spanner (6) and drives hollow lead screw (5) rotation, hollow lead screw (5) is in mobile process Six hole feed screw nuts (2) of middle promotion advance, and six hole feed screw nuts (2) move ahead and press six claw (1) contraction clip live electrodes (8), At this moment a centre bore is pricked in electrode (8) end face with center needle (7), then inverts hollow lead screw (5), as described above, similarly, card Pawl (1) unclamps electrode (8);
Then, staff rotates bull stick (11), and bull stick (11) and base body (10) carry out bearing rotary, revolves in bull stick (11) The movable plate (15) of outside screw connection is driven to carry out forward or move backward during turning, at this moment, movable plate (15) bottom The limit plate (16) in portion is moved in the internal limiting slot (17) of base body (10), so that movable plate (15) is stablized Carry out move, movable plate (15) is connect by the tooth block (18) at top with the engagement of half gear (14) in the process of moving, To drive half gear (14) to be rotated together with support column (9), support column (9) and base body (10) pass through movable axis (13) it is rotated, is rotated from there through rotation band dynamic bearing weldering bar (3) of support column (9), so that entire tool 30 ° of rotation, then repeats operation above, pricks a centre bore again, unclamps claw (1) taking off tool, if two pricked It is electrode (8) end-face central hole that hole, which is overlapped, if two holes are not overlapped, the center of two hole lines is electrode (8) end face center Hole.
CN201910113205.3A 2019-02-13 2019-02-13 Tool for quickly and accurately positioning center hole of end face of blank graphite electrode Active CN109693321B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910113205.3A CN109693321B (en) 2019-02-13 2019-02-13 Tool for quickly and accurately positioning center hole of end face of blank graphite electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910113205.3A CN109693321B (en) 2019-02-13 2019-02-13 Tool for quickly and accurately positioning center hole of end face of blank graphite electrode

Publications (2)

Publication Number Publication Date
CN109693321A true CN109693321A (en) 2019-04-30
CN109693321B CN109693321B (en) 2023-04-07

Family

ID=66234780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910113205.3A Active CN109693321B (en) 2019-02-13 2019-02-13 Tool for quickly and accurately positioning center hole of end face of blank graphite electrode

Country Status (1)

Country Link
CN (1) CN109693321B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR376624A (en) * 1907-04-12 1907-08-14 Stratton Rotating Engine Compa Rotary motor
EP0402624A2 (en) * 1989-06-13 1990-12-19 Friedrich Duss Maschinenfabrik Gmbh & Co. Rotation-percussion drill bit for a portable drilling machine
CN2265280Y (en) * 1996-05-31 1997-10-22 周肇铭 Main frame of machine for integral cutting aerated concrete
US5815935A (en) * 1994-07-29 1998-10-06 Anzen Motor Car Co., Ltd. Apparatus for examining wheel alignment
GB0103650D0 (en) * 2001-02-14 2001-03-28 Williams Robert H Cutting machine
CN101011806A (en) * 2007-01-29 2007-08-08 宋宝安 Cutting device for pipe intersecting lines
CN201841396U (en) * 2010-10-28 2011-05-25 新疆威奥科技股份有限公司 Synchronous self-centering multi-jaw chuck for weld assembly
CN102189424A (en) * 2011-06-20 2011-09-21 无锡市新银叶机电制造有限公司 Sector gear positioning/drilling tool fixture
CN207076985U (en) * 2017-07-21 2018-03-09 江西凯强实业有限公司 A kind of printer flexible print circuit board drilling-hole positioning device
CN108188927A (en) * 2017-12-21 2018-06-22 重庆顺淮机械制造有限公司 For grinding the fixing device of bore

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR376624A (en) * 1907-04-12 1907-08-14 Stratton Rotating Engine Compa Rotary motor
EP0402624A2 (en) * 1989-06-13 1990-12-19 Friedrich Duss Maschinenfabrik Gmbh & Co. Rotation-percussion drill bit for a portable drilling machine
US5815935A (en) * 1994-07-29 1998-10-06 Anzen Motor Car Co., Ltd. Apparatus for examining wheel alignment
CN2265280Y (en) * 1996-05-31 1997-10-22 周肇铭 Main frame of machine for integral cutting aerated concrete
GB0103650D0 (en) * 2001-02-14 2001-03-28 Williams Robert H Cutting machine
CN101011806A (en) * 2007-01-29 2007-08-08 宋宝安 Cutting device for pipe intersecting lines
CN201841396U (en) * 2010-10-28 2011-05-25 新疆威奥科技股份有限公司 Synchronous self-centering multi-jaw chuck for weld assembly
CN102189424A (en) * 2011-06-20 2011-09-21 无锡市新银叶机电制造有限公司 Sector gear positioning/drilling tool fixture
CN207076985U (en) * 2017-07-21 2018-03-09 江西凯强实业有限公司 A kind of printer flexible print circuit board drilling-hole positioning device
CN108188927A (en) * 2017-12-21 2018-06-22 重庆顺淮机械制造有限公司 For grinding the fixing device of bore

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘建刚: "曲轴中心孔深度加工不稳定的解决方案", 《金属加工(冷加工)》 *
梁有植;: "双销定位误差对精镗精度的影响" *

Also Published As

Publication number Publication date
CN109693321B (en) 2023-04-07

Similar Documents

Publication Publication Date Title
CN108274118B (en) A kind of current collecting plates welding equipment
CN107471110A (en) A kind of electric grinder fixture
CN212665499U (en) Special fixture for swing ring of powder metallurgy variable pump
CN211889645U (en) Special fixed-position welding frock of rotary valve rotor blade
CN109693321A (en) A kind of tool of fast accurate positioning blank graphite electrode end-face central hole
CN104084613A (en) Chuck self-locking control device
CN210115629U (en) Positioning fixture for sheet metal parts
CN103659356A (en) Tool manufacturing method special for radiant tube machining
CN208034233U (en) Metal tube cutting pusher
CN103706919A (en) Automatic robot welding device for internal welding lines of hollow cavity rotational member
CN215546921U (en) Positioning tool for machining electric hexagonal sleeve
CN212793420U (en) Self-centering gear shaping tool
CN213497384U (en) Wind wheel welding tool clamp
CN215824402U (en) Supplementary adjustment mechanism is used in panel beating cutting
CN211588861U (en) Sensor part ring argon arc welding tool
CN209021528U (en) A kind of wheelchair linking arm and axle sleeve welding tooling
CN210305593U (en) One-stage transmission high-speed precise warm forging press with die height indicating structure
CN207358642U (en) A kind of special purpose device of torque tube processing
CN213859529U (en) Central clamping device of pipe cutting machine
CN220920536U (en) Workpiece bending tool
CN108871162B (en) Guiding equipment of electric spark small hole machining machine tool
CN209850229U (en) Piston rod friction welding centering device
CN220838670U (en) Positioning tool for welding gas-liquid separator
CN214920594U (en) Clamping head for lathe
CN214109624U (en) Spacing workstation of steel pipe cutting machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
CB02 Change of applicant information

Address after: 030000 Huatun Township, Huatun Village, Xinrong District, Datong City, Shanxi Province

Applicant after: Datong Yulin De Graphite New Materials Co.,Ltd.

Address before: 030000 Huatun Township, Huatun Village, Xinrong District, Datong City, Shanxi Province

Applicant before: DATONG YU LIN DE GRAPHITE EQUIPMENT CO.,LTD.

CB02 Change of applicant information
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant