CN108058078B - A kind of pin shaft facing attachment - Google Patents

A kind of pin shaft facing attachment Download PDF

Info

Publication number
CN108058078B
CN108058078B CN201711381725.XA CN201711381725A CN108058078B CN 108058078 B CN108058078 B CN 108058078B CN 201711381725 A CN201711381725 A CN 201711381725A CN 108058078 B CN108058078 B CN 108058078B
Authority
CN
China
Prior art keywords
material stirring
stirring disc
pin shaft
feeder
grinding
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
CN201711381725.XA
Other languages
Chinese (zh)
Other versions
CN108058078A (en
Inventor
马云辉
赵春梅
徐强
马云红
吴君斌
朱英
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.)
Heilongjiang Industrial Technology Research Institute Asset Management Co ltd
Original Assignee
Harbin Institute of 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 Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201711381725.XA priority Critical patent/CN108058078B/en
Publication of CN108058078A publication Critical patent/CN108058078A/en
Application granted granted Critical
Publication of CN108058078B publication Critical patent/CN108058078B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/005Feeding or manipulating devices specially adapted to grinding machines

Abstract

A kind of pin shaft facing attachment, it is related to technical field of mechanical processing.The problem of present invention is to solve existing pin shaft chamfer machining low efficiency, at high cost, and batch production causes environmental pollution.The present invention includes feeder, feed pipe, feeder pipe, spring, conveying pipeline, collecting box, two material stirring discs and two grindings, two material stirring discs are set gradually along the vertical direction, material stirring disc is connected with turning motor, the lower end of each material stirring disc is respectively provided with a grinding respectively, the side of upper end material stirring disc upper end is arranged in feeder, the middle part of material stirring disc upper end is equipped with cone, multiple semicircle slideway grooves are laid with along external peripheral surface on the inclined-plane of cone, the end of semicircle slideway groove is equipped with blanking inclined hole, the lower end of the blanking inclined hole of the upper end material stirring disc other side is equipped with feeder pipe, the lower end of feeder pipe is equipped with conveying pipeline, the top of conveying pipeline upper end side wall is equipped with gap, the rear end of feeder pipe is arranged in gap, the rear end of gap is equipped with spring.The present invention is used for the processing of pin shaft chamfering.

Description

A kind of pin shaft facing attachment
Technical field
The present invention relates to technical fields of mechanical processing, and in particular to a kind of pin shaft facing attachment.
Background technique
Currently, chain hinge pin needs to carry out chamfer machining to pin shaft both ends in chain production industry for the ease of assembly, Because of substantial amounts, using traditional turning, method for grinding is time-consuming and laborious, increases production cost.Instantly the processing generallyd use Method is that pin shaft, abrasive material, water are put into roller and are rotated using drum-type processing method, realizes autogenous grinding attrition.This method Solve some problems, but because not being specific aim processing, long processing time, the overwhelming majority is useless processing, waste water, it is power-consuming, take When.Waste discharge sludge and antiquated sand pollute environment.
Summary of the invention
The present invention is at high cost in order to solve existing pin shaft chamfer machining low efficiency, and batch production causes asking for environmental pollution Topic, and then propose a kind of pin shaft facing attachment.
The technical solution adopted by the present invention to solve the above technical problem is:
A kind of pin shaft facing attachment includes feeder, feed pipe, feeder pipe, spring, conveying pipeline, collecting box, two material togglings Disk and two grindings, two material stirring discs set gradually along the vertical direction, and material stirring disc is connected with turning motor, under each material stirring disc End is respectively provided with a grinding respectively, and grinding is connected with grinding motor, and the side of upper end material stirring disc upper end, material toggling is arranged in feeder The middle part of disk upper end is equipped with cone, and the upper end of feed pipe and the discharge end of feeder connect, and the lower end of feed pipe is arranged upper The top of the cone inclined-plane side of material stirring disc is held, is laid on the inclined-plane of cone along external peripheral surface multiple semicircle sliding Road groove, length direction of each semicircle slideway groove respectively along inclined-plane are arranged, and the end of semicircle slideway groove is equipped with down Expect inclined hole, the one side edge of upper end grinding is concordant with the one side edge of upper end material stirring disc, another side edge setting of upper end grinding In the inside at the blanking inclined hole lower end inside edge of the upper end material stirring disc other side, the one side edge setting of lower end grinding is dialled in lower end The inside at the blanking inclined hole lower end inside edge of charging tray side, another side edge of lower end grinding and the other side of lower end material stirring disc Edge is concordant, and the lower end of the blanking inclined hole of the upper end material stirring disc other side is equipped with feeder pipe, and the terminal horizontal of feeder pipe is arranged, blanking The lower end of pipe is equipped with conveying pipeline, and the top of conveying pipeline upper end side wall is equipped with gap, and the rear end of feeder pipe is arranged in gap, gap Rear end is equipped with spring, and the top of the cone inclined-plane other side of lower end material stirring disc, lower end material stirring disc is arranged in the lower end of conveying pipeline The lower end of the blanking inclined hole of side is equipped with collecting box.
The beneficial effects of the present invention over the prior art is:
The present invention improves production efficiency, reduces costs, and solves the problems, such as environmental pollution.This processing unit (plant) is not only It can solve chain hinge pin batch machining, can also realize to all kinds of pin shaft chamfer machinings of hardware class, have a vast market foreground. Mass production can be efficiently rapidly performed by using the present invention.Produced in batches using apparatus of the present invention, production efficiency compared with Existing transmission processing method largely saves the clamping time compared to can be improved 60% or more, and production cost can reduce by 75% or more, Avoid generate wastewater sludge pollution, have it is low in cost, it is easy to use, produce the advantages that efficient.
Detailed description of the invention
Fig. 1 is the integrally-built main view of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the A-A direction view in Fig. 2;
Fig. 4 is the B-B direction view in Fig. 2;
Front sectional view when Fig. 5 is 5 grinding pin shaft of material stirring disc 4 and grinding in the present invention.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of pin shaft chamfering described in present embodiment in conjunction with Fig. 1 to Fig. 5 Device includes feeder 1, feed pipe 2, feeder pipe 7, spring 8, conveying pipeline 9,15, two material stirring discs 4 of collecting box and two grindings 5, two material stirring discs 4 are set gradually along the vertical direction, and material stirring disc 4 is connected with turning motor 11, the lower end difference of each material stirring disc 4 It is respectively provided with a grinding 5, grinding 5 is connected with grinding motor 6, and the side of 4 upper end of upper end material stirring disc, material toggling is arranged in feeder 1 The middle part of 4 upper end of disk is equipped with cone 12, and the upper end of feed pipe 2 is connect with the discharge end of feeder 1, and the lower end of feed pipe 2 is set The top in the 12 inclined-plane side of cone of upper end material stirring disc 4 is set, is laid on the inclined-plane of cone 12 along external peripheral surface The length direction of multiple semicircle slideway groove 12-1, each semicircle slideway groove 12-1 respectively along inclined-plane is arranged, semicircle The end of slideway groove 12-1 is equipped with blanking inclined hole 13, and the one side edge of upper end grinding 5 and the one side edge of upper end material stirring disc 4 are flat Together, another side edge of upper end grinding 5 is arranged in the 13 lower end inside edge of blanking inclined hole of 4 other side of upper end material stirring disc The inside at the 13 lower end inside edge of blanking inclined hole of 4 side of lower end material stirring disc is arranged in side, the one side edge of lower end grinding 5, under Another side edge of end grinding 5 is concordant with another side edge of lower end material stirring disc 4, the blanking inclined hole of 4 other side of upper end material stirring disc 13 lower end is equipped with feeder pipe 7, and the terminal horizontal of feeder pipe 7 is arranged, and the lower end of feeder pipe 7 is equipped with conveying pipeline 9, on conveying pipeline 9 The top of end side wall is equipped with gap 10, and the rear end of feeder pipe 7 is arranged in gap 10, and the rear end of gap 10 is equipped with spring 8, conveying pipeline The top of the 12 inclined-plane other side of cone of lower end material stirring disc 4, the blanking inclined hole of 4 side of lower end material stirring disc is arranged in 9 lower end 13 lower end is equipped with collecting box 15.
When pin shaft is in the blanking inclined hole 13 of material stirring disc 4, the contact edge of high-speed rotating grinding 5 pairs of pin shafts and grinding 5 Edge is polished.Because polishing point deviates pin shaft center, in bruting process pin shaft can generate around own axis Effect, such certain time is interior can to complete chamfer process under self weight and external force polishing.
Material stirring disc 4 opens a certain number of blanking inclined holes 13 according to pin shaft size, in lower circumference, and the above is and blanking inclined hole 13 it is corresponding be semicircle slideway groove 12-1, the pin shaft fallen from feed pipe 2 voluntarily slides into blanking inclined hole 13.Material stirring disc 4 are rotated under the driving of turning motor 11 by certain speed, and the blanking for sequentially entering material stirring disc 4 from the pin shaft of feeder 1 is oblique Hole 13 carries out chamfering grinding.
Material stirring disc 4 is shifted to install with grinding 5, and material stirring disc 4 stirs after pin shaft moves a certain distance in grinding 5 and is detached from grinding 5, the chamfer process of the pin shaft other end is entered after turning around by commutation.Pin shaft two sides chamfering is just realized after the completion.
Time correlation of the chamfering parameter (removal amount) with 4 effect of pin shaft and grinding.Ground with 4 speed of material stirring disc and pin shaft The distance dependent moved on piece 5.
A certain amount of pin shaft is launched into feeder 1, pin shaft head and the tail is connected by feeder 1, claps Cheng Yilie and sequentially lead to It crosses after feed pipe 2 is fallen in the semicircle slideway groove 12-1 of material stirring disc 4 and enters blanking inclined hole 13, the edge and high speed of pin shaft are ground The friction of piece 5 carries out chamfer machining.Material stirring disc 4 is rotated by certain speed simultaneously, pushes pin shaft mobile until being detached from grinding 5 falls into receipts In collector 7, falls on bottom and enter conveying pipeline 9 by the effect commutation of spring 8, then completed by the effect of material stirring disc 4 and grinding 5 Whole chamfering work, last pin shaft are fallen into rewinding case 15.
Specific embodiment 2: illustrate present embodiment in conjunction with Fig. 1 to Fig. 2 and Fig. 5, material stirring disc 4 described in present embodiment Lower end surface and grinding 5 upper surface be horizontally disposed with respectively.Other compositions and connection type are same as the specific embodiment one.
The distance between the upper surface for being designed in this way the lower end surface for keeping material stirring disc 4 and grinding 5 communicates, and is ground in pin shaft When cutting, guarantee that the angle of grinding is invariable.
Specific embodiment 3: illustrate present embodiment in conjunction with Fig. 1 to Fig. 2 and Fig. 5, material stirring disc 4 described in present embodiment Lower end surface and grinding 5 upper surface be equipped with gap.Other compositions and connection type are identical with embodiment two.
It is designed in this way the grinding reserved space for pin shaft.
Specific embodiment 4: illustrate present embodiment in conjunction with Fig. 1 to Fig. 4, feed pipe 2 and conveying described in present embodiment The lower end of pipe 9 is respectively equipped with buffering discharger 3, and the lower end of buffering discharger 3 is fixed semi-circular tube 3-1, fixed semi-circular tube 3-1's Side is equipped with movable semi-circular tube 16, and fixed semi-circular tube 3-1 and movable semi-circular tube 16 are oppositely arranged, the upper end of fixed semi-circular tube 3-1 The upper end side wall of side wall and movable semi-circular tube 16 is rotatablely connected, and the end nozzle of movable semi-circular tube 16 is equipped with elastic block piece 14, bullet Property baffle 14 be radially arranged, one end of elastic block piece 14 and 16 end nozzle of movable semi-circular tube are affixed, elastic block piece 14 The other end activity setting.Other compositions and connection type are identical as specific embodiment one, two or three.
The upper end side wall of fixed semi-circular tube 3-1 and the upper end side wall of movable semi-circular tube 16 are hinged by positioning pin, so set Meter is so that pin shaft after entering buffering discharger 3, guarantees when pin shaft falls and the semicircle slideway groove 12-1 of material stirring disc 4 is flat Row, can smoothly enter into semicircle slideway groove 12-1.Meanwhile setting elastic block piece 14 can reduce the slip velocity of pin shaft, prevent Deviate from semicircle slideway groove 12-1 due to excessive velocities.
Specific embodiment 5: illustrate present embodiment in conjunction with Fig. 1 to Fig. 2, the upper end of feeder pipe 7 described in present embodiment For inverted conical shape.Other compositions and connection type are identical as specific embodiment four.
It is designed in this way the collection and entrance convenient for pin shaft.
Specific embodiment 6: illustrating present embodiment in conjunction with Fig. 1 to Fig. 2, feeder 1 described in present embodiment is equipped with Oscillator.Other compositions and connection type and specific embodiment one, two, three or five are identical.
It is designed in this way and guarantees that the pin shaft in feeder 1 successively can sequentially enter feed pipe after the concussion of oscillator In 2.
Specific embodiment 7: illustrate present embodiment in conjunction with Fig. 1 to Fig. 2, feeder pipe 7 and conveying described in present embodiment Pipe 9 is arranged in herringbone.Other compositions and connection type are identical as specific embodiment six.
It is designed in this way in order to which pin shaft can smoothly commutate when by feeder pipe 7, spring 8 and conveying pipeline 9.
Specific embodiment 8: illustrate present embodiment in conjunction with Fig. 1 to Fig. 2 and Fig. 5, material stirring disc 4 described in present embodiment Blanking inclined hole 13 aperture be greater than pin shaft outer diameter.Other compositions and connection type are identical as specific embodiment seven.
Be designed in this way make pin shaft in blanking inclined hole 13 can smooth rotation, complete grinding.
Specific embodiment 9: illustrate present embodiment in conjunction with Fig. 1 to Fig. 2 and Fig. 5, blanking inclined hole described in present embodiment 13 center line and the angle of horizontal plane and the chamfer angle of pin shaft is identical.Other compositions and connection type and specific embodiment Eight is identical.
Specific embodiment 10: illustrating that present embodiment, material stirring disc 4 described in present embodiment are connected in conjunction with Fig. 1 to Fig. 2 The upper end of material stirring disc 4 is arranged in turning motor 11, and the lower end of grinding 5 is arranged in grinding motor 6.It is other composition and connection type and Specific embodiment one, two, three, five, seven, eight or nine are identical.
It is designed in this way and the grinding between material stirring disc 4 and grinding 5 is caused to do to prevent non-return rotating motor 11 and grinding motor 6 It relates to.

Claims (10)

1. a kind of pin shaft facing attachment, it includes feeder (1), it is characterised in that: a kind of pin shaft facing attachment further includes Feed pipe (2), feeder pipe (7), spring (8), conveying pipeline (9), collecting box (15), two material stirring discs (4) and two grindings (5), Two material stirring discs (4) set gradually along the vertical direction, and material stirring disc (4) is connected with turning motor (11), under each material stirring disc (4) End is respectively provided with a grinding (5) respectively, and grinding (5) is connected with grinding motor (6), and feeder (1) is arranged in upper end material stirring disc (4) The middle part of the side of upper end, material stirring disc (4) upper end is equipped with cone (12), the discharging of the upper end and feeder (1) of feed pipe (2) The lower end of end connection, feed pipe (2) is arranged in the top of cone (12) inclined-plane side of upper end material stirring disc (4), cone (12) multiple semicircle slideway grooves (12-1), each semicircle slideway groove are laid with along external peripheral surface on inclined-plane (12-1) is arranged along the length direction on inclined-plane respectively, and the end of semicircle slideway groove (12-1) is equipped with blanking inclined hole (13), on The one side edge of end grinding (5) is concordant with the one side edge of upper end material stirring disc (4), and upper end is ground another side edge setting of (5) The one side edge of the inside at blanking inclined hole (13) lower end inside edge of material stirring disc (4) other side in upper end, lower end grinding (5) is set The inside at blanking inclined hole (13) lower end inside edge of lower end material stirring disc (4) side is set, lower end is ground another side edge of (5) Concordant with another side edge of lower end material stirring disc (4), the lower end of the blanking inclined hole (13) of upper end material stirring disc (4) other side is equipped with down Expects pipe (7), the terminal horizontal setting of feeder pipe (7), the lower end of feeder pipe (7) are equipped with conveying pipeline (9), conveying pipeline (9) upper end side The top of wall is equipped with gap (10), and gap (10) setting is equipped with spring (8) in the rear end of feeder pipe (7), the rear end of gap (10), The lower end of conveying pipeline (9) is arranged in the top of cone (12) inclined-plane other side of lower end material stirring disc (4), lower end material stirring disc (4) The lower end of the blanking inclined hole (13) of side is equipped with collecting box (15).
2. a kind of pin shaft facing attachment according to claim 1, it is characterised in that: the lower end surface of the material stirring disc (4) and mill The upper surface of piece (5) is horizontally disposed with respectively.
3. a kind of pin shaft facing attachment according to claim 2, it is characterised in that: the lower end surface of the material stirring disc (4) and mill The upper surface of piece (5) is equipped with gap.
4. a kind of according to claim 1,2 or 3 pin shaft facing attachment, it is characterised in that: the feed pipe (2) and conveying pipeline (9) lower end is respectively equipped with buffering discharger (3), and the lower end of buffering discharger (3) is fixed semi-circular tube (3-1), fixed semicircle The side for managing (3-1) is equipped with movable semi-circular tube (16), and fixed semi-circular tube (3-1) and movable semi-circular tube (16) are oppositely arranged, fixed The upper end side wall of semi-circular tube (3-1) and the upper end side wall of movable semi-circular tube (16) are rotatablely connected, the end of movable semi-circular tube (16) Nozzle is equipped with elastic block piece (14), and elastic block piece (14) is radially arranged, one end of elastic block piece (14) and movable semicircle Pipe (16) end nozzle is affixed, the other end activity setting of elastic block piece (14).
5. a kind of pin shaft facing attachment according to claim 4, it is characterised in that: the upper end of the feeder pipe (7) is rounding Taper.
6. a kind of according to claim 1, the pin shaft facing attachment of 2,3 or 5, it is characterised in that: the feeder (1) is equipped with Oscillator.
7. a kind of pin shaft facing attachment according to claim 6, it is characterised in that: the feeder pipe (7) and conveying pipeline (9) are in Herringbone setting.
8. a kind of pin shaft facing attachment according to claim 7, it is characterised in that: the blanking inclined hole of the material stirring disc (4) (13) aperture is greater than the outer diameter of pin shaft.
9. a kind of pin shaft facing attachment according to claim 8, it is characterised in that: the center line of the blanking inclined hole (13) with The angle of horizontal plane and the chamfer angle of pin shaft are identical.
10. a kind of according to claim 1, the pin shaft facing attachment of 2,3,5,7,8 or 9, it is characterised in that: the material stirring disc (4) turning motor (11) setting is connected in the upper end of material stirring disc (4), is ground motor (6) setting in the lower end of grinding (5).
CN201711381725.XA 2017-12-19 2017-12-19 A kind of pin shaft facing attachment Active CN108058078B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711381725.XA CN108058078B (en) 2017-12-19 2017-12-19 A kind of pin shaft facing attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711381725.XA CN108058078B (en) 2017-12-19 2017-12-19 A kind of pin shaft facing attachment

Publications (2)

Publication Number Publication Date
CN108058078A CN108058078A (en) 2018-05-22
CN108058078B true CN108058078B (en) 2019-06-11

Family

ID=62139352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711381725.XA Active CN108058078B (en) 2017-12-19 2017-12-19 A kind of pin shaft facing attachment

Country Status (1)

Country Link
CN (1) CN108058078B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871899A (en) * 1994-09-08 1996-03-19 Manpei Seisakusho:Kk Chamfering and end-finishing of pin with groove formed by rolling
CN102601614A (en) * 2011-01-21 2012-07-25 浙江顺信机械有限公司 Full-automatic chamfering machine
CN102730406A (en) * 2012-06-27 2012-10-17 太仓椿盟链传动有限公司 Feeding device and method for full-automatic pin shaft chamfering equipment
CN103722462A (en) * 2014-01-11 2014-04-16 太仓椿盟链传动有限公司 Chain hinge pin chamfering polishing machine
CN203831063U (en) * 2014-04-25 2014-09-17 肖闯 Automatic drilling and milling machine for chain connection hinge pin
CN105436281A (en) * 2015-12-31 2016-03-30 太仓椿盟链传动有限公司 Chamfering machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871899A (en) * 1994-09-08 1996-03-19 Manpei Seisakusho:Kk Chamfering and end-finishing of pin with groove formed by rolling
CN102601614A (en) * 2011-01-21 2012-07-25 浙江顺信机械有限公司 Full-automatic chamfering machine
CN102730406A (en) * 2012-06-27 2012-10-17 太仓椿盟链传动有限公司 Feeding device and method for full-automatic pin shaft chamfering equipment
CN103722462A (en) * 2014-01-11 2014-04-16 太仓椿盟链传动有限公司 Chain hinge pin chamfering polishing machine
CN203831063U (en) * 2014-04-25 2014-09-17 肖闯 Automatic drilling and milling machine for chain connection hinge pin
CN105436281A (en) * 2015-12-31 2016-03-30 太仓椿盟链传动有限公司 Chamfering machine

Also Published As

Publication number Publication date
CN108058078A (en) 2018-05-22

Similar Documents

Publication Publication Date Title
CN111702640A (en) Pipeline inner wall rust cleaning device
CN206168518U (en) Automatic change dry powder ball mill
CN204724255U (en) A kind of grinder
CN209415863U (en) A kind of honey processing cooling device
CN108058078B (en) A kind of pin shaft facing attachment
CN103341445B (en) Rotary type grain separating device
CN102357380B (en) Device for grinding materials by adopting plurality of series-parallel connected barrels
CN210281696U (en) Pipe type small part deburring device
CN217728117U (en) Double-sided grinding machine for tungsten rod
CN208245811U (en) A kind of liftout attachment of sintered-carbide die
CN2882785Y (en) Verticle circular hammer slurry mill
CN104399562A (en) External-circulating ball roller way-type mill
CN206123409U (en) Steel pipe burnishing machine
CN105500143A (en) Chamfering equipment for tail end of ceramic ferrule
CN208358525U (en) A kind of hairbrush millstone device being uniformly distributed lapping liquid
CN200995350Y (en) Grinder feeder of rotary bearing ring end
CN204656641U (en) A kind of novel vertical coal mill
CN106378667B (en) Auto-split magnetorheological polishing machine
CN114029124A (en) High-precision jet mill
CN201632902U (en) Miniature water edge grinding machine
CN203540625U (en) Composite grinding type flour mill
CN202498420U (en) Radial cylindrical magnet two-end automatic chamfering device
CN210260135U (en) Transmission shaft material collecting device
CN212122553U (en) Scrap collecting device of part machining center
CN206168502U (en) Grinding disc

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
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210122

Address after: Building 9, accelerator, 14955 Zhongyuan Avenue, Songbei District, Harbin City, Heilongjiang Province

Patentee after: INDUSTRIAL TECHNOLOGY Research Institute OF HEILONGJIANG PROVINCE

Address before: 150001 No. 92 West straight street, Nangang District, Heilongjiang, Harbin

Patentee before: HARBIN INSTITUTE OF TECHNOLOGY

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230316

Address after: 150027 Room 412, Unit 1, No. 14955, Zhongyuan Avenue, Building 9, Innovation and Entrepreneurship Plaza, Science and Technology Innovation City, Harbin Hi tech Industrial Development Zone, Heilongjiang Province

Patentee after: Heilongjiang Industrial Technology Research Institute Asset Management Co.,Ltd.

Address before: Building 9, accelerator, 14955 Zhongyuan Avenue, Songbei District, Harbin City, Heilongjiang Province

Patentee before: INDUSTRIAL TECHNOLOGY Research Institute OF HEILONGJIANG PROVINCE