CN108500833A - A kind of plunger sleeve fixture mechanism of plunger bushing grinding machine feeding device easy to use - Google Patents

A kind of plunger sleeve fixture mechanism of plunger bushing grinding machine feeding device easy to use Download PDF

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Publication number
CN108500833A
CN108500833A CN201810655350.XA CN201810655350A CN108500833A CN 108500833 A CN108500833 A CN 108500833A CN 201810655350 A CN201810655350 A CN 201810655350A CN 108500833 A CN108500833 A CN 108500833A
Authority
CN
China
Prior art keywords
backgauge
plate
flute profile
threaded rod
pusher
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
CN201810655350.XA
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Chinese (zh)
Other versions
CN108500833B (en
Inventor
胡燚
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.)
Haiyan Fubang Machinery Co ltd
Original Assignee
Jiaxing Fu Bang Precision Forging 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 Jiaxing Fu Bang Precision Forging Co Ltd filed Critical Jiaxing Fu Bang Precision Forging Co Ltd
Priority to CN201810655350.XA priority Critical patent/CN108500833B/en
Publication of CN108500833A publication Critical patent/CN108500833A/en
Application granted granted Critical
Publication of CN108500833B publication Critical patent/CN108500833B/en
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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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/005Feeding or manipulating devices specially adapted to grinding machines
    • 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
    • B24B41/06Work supports, e.g. adjustable steadies
    • 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
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings

Abstract

The invention discloses a kind of plunger sleeve fixture mechanism of plunger bushing grinding machine feeding devices easy to use, including pedestal, slide bar body, slide, threaded rod, lifting seat, put flitch, flute profile backgauge body, feed mechanism, pusher, mounting body, Driving Stepping Motor, discharge port, reclaiming plate, axis body, tension spring and block body, the pedestal is equipped with slide bar body, rotatable threaded rod and the flute profile backgauge body between slide bar body and threaded rod, the slide bar body is equipped with the slide being slidably installed, threaded connection lifting seat is arranged on the threaded rod, it is equipped with to be located in flute profile backgauge body between the slide and lifting seat and puts flitch, one end of the mounting body is fixedly connected with the upper end of slide bar body, compared with prior art, it can be easy to use, improve working efficiency, it is simple in structure.

Description

A kind of plunger sleeve fixture mechanism of plunger bushing grinding machine feeding device easy to use
【Technical field】
The present invention relates to a kind of technical field of plunger bushing end face Plane surface grinding machine, especially a kind of plunger bushing of plunger bushing grinding machine The technical field of fixing device feeding device easy to use.
【Background technology】
It is the typical labor-intensive enterprises by multiple working procedure in the industry of production oil pump nozzle plunger bushing, there are technologies to want The features such as asking height, processing technology complexity, low production efficiency, high production cost, plunger bushing precision pair is in oil pump nozzle component Vital part, most domestic manufacturer still takes original processing technology, typically uses turning plunger It covers external form and two master operation of drill bushing hole produces plunger, wherein turning plunger bushing external form is the specification bar use in a scale Sawing machine carries out blanking sawing, and the outer circle of segmentation cutting different-diameter is carried out on same plunger sleeve blank to reach work with small size lathe Skill requirement, and the end that the bar of sawing is carried out by sawing machine is required to be polished by Plane surface grinding machine, in the prior art, generally Plunger bushing blank is fixed using common fixing device, working efficiency is low, inconvenient to use.Therefore, it is necessary to one kind The plunger sleeve fixture mechanism of plunger bushing end face Plane surface grinding machine.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes that a kind of plunger bushing of plunger bushing grinding machine fixes dress It sets with feeding device easy to use, can be easy to use, working efficiency is improved, it is simple in structure.
To achieve the above object, the present invention proposes a kind of plunger sleeve fixture mechanism of plunger bushing grinding machine with easy to use Feeding device, including pedestal, slide bar body, slide, threaded rod, lifting seat, put flitch, flute profile backgauge body, feed mechanism, pusher Structure, mounting body, Driving Stepping Motor, discharge port, reclaiming plate, axis body, tension spring and block body, the pedestal be equipped with slide bar body, Rotatable threaded rod and the flute profile backgauge body between slide bar body and threaded rod, the slide bar body, which is equipped with, to be slidably installed Slide is arranged with threaded connection lifting seat on the threaded rod, is equipped between the slide and lifting seat and is located at flute profile backgauge body Interior puts flitch, and one end of the mounting body is fixedly connected with the upper end of slide bar body, and the upper end of the other end and threaded rod can turn Dynamic connection, the mounting body are equipped with the Driving Stepping Motor of driving threaded rod rotation, and the centre of the mounting body is equipped with Pusher, the top on the outside of the slot bottom of the flute profile backgauge body are equipped with axis body and the block body in front of axis body, the axis body It is equipped with rotatably mounted and is shelved on the reclaiming plate on block body, the front end of the reclaiming plate is connected by tension spring and flute profile backgauge body It connects, the distance between the front end of the reclaiming plate and axis body are less than the distance between rear end and axis body of reclaiming plate, the discharging The one end of plate far from flute profile backgauge body is equipped with baffle, and the upper end of the slot bottom of the flute profile backgauge body is equipped with discharge port, the discharging The lower end of mouth is concordant with the upper end of reclaiming plate, and the pedestal is equipped with for receiving sending for the plunger bushing blank exported from reclaiming plate Expect mechanism.
Preferably, the feed mechanism include two bearing bodies, discharge groove body, pusher cylinder, scraping wings, striker plate and Two notches, the discharge groove body are inclined at by two bearing bodies on pedestal, the slot bottom of the discharge groove body it is high-end Positioned at the lower section of the output end of reclaiming plate, the low side of the discharge groove body is equipped with striker plate, two cell walls of the discharge groove body Rear end and striker plate between be all provided with jagged, one end of the striker plate is equipped with pusher cylinder, the piston of the pusher cylinder Bar is equipped with scraping wings.
Preferably, the pusher includes the right angle for driving cylinder and being located on the piston rod flanged plate of driving cylinder Shape pushing plate, the driving cylinder are fixedly connected by connector with mounting body.
Beneficial effects of the present invention:The present invention is pushed away by pusher by the plunger bushing blank that top layer discharges on flitch is put Enter reclaiming plate, then the plunger bushing blank on reclaiming plate enters discharge groove body, then drives scraping wings will most by pusher cylinder Lower position plunger bushing blank feeding polish equipment, pusher often works once, Driving Stepping Motor just drive threaded rod with Identical stepping beat rotation is primary, and threaded rod rotation drives lifting seat to be moved upwards with identical stepping beat, and lifting seat drive is put Flitch moves upwards realization step feeding, compared with prior art, can be easy to use, improves working efficiency, simple in structure.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is that a kind of plunger sleeve fixture mechanism of plunger bushing grinding machine of the present invention is shown with the structure of feeding device easy to use It is intended to;
Fig. 2 is a kind of vertical view of the plunger sleeve fixture mechanism feeding device easy to use of plunger bushing grinding machine of the present invention Figure.
In figure:10- plunger bushings blank, 11- pedestals, 12- slide bars body, 13- slides, 14- threaded rods, 15- lifting seats, 16- Put flitch, 17- flute profile backgauges body, 18- feed mechanisms, 19- pushers, 110- mounting body, 111- Driving Stepping Motors, 112- discharge ports, 113- reclaiming plates, 114- axis bodies, 115- tension springs, 116- block bodies, 117- baffles, 181- bearing bodies, 182- discharges Groove body, 183- pusher cylinders, 184- scraping wings, 185- striker plates, 186- notches, 191- drivings cylinder, 192- squares push Plate, 193- connectors.
【Specific implementation mode】
Refering to fig. 1,2, a kind of plunger sleeve fixture mechanism of plunger bushing grinding machine of the invention feeding device easy to use, packet Include pedestal 11, slide bar body 12, slide 13, threaded rod 14, lifting seat 15, put flitch 16, flute profile backgauge body 17, feed mechanism 18, Pusher 19, mounting body 110, Driving Stepping Motor 111, discharge port 112, reclaiming plate 113, axis body 114,115 and of tension spring Block body 116, the pedestal 11 are equipped with slide bar body 12, rotatable threaded rod 14 and between slide bar body 12 and threaded rods 14 Flute profile backgauge body 17, the slide bar body 12 is equipped with the slide 13 that is slidably installed, screw thread company is arranged on the threaded rod 14 Lifting seat 15 is connect, is equipped with to be located in flute profile backgauge body 17 between the slide 13 and lifting seat 15 and puts flitch 16, the installation One end of pedestal 110 is fixedly connected with the upper end of slide bar body 12, and the upper end of the other end and threaded rod 14 is rotatably connected, the peace It fills pedestal 110 and is equipped with the Driving Stepping Motor 111 that driving threaded rod 14 rotates, the centre of the mounting body 110, which is equipped with, to push away Expect mechanism 19, the top on the outside of the slot bottom of the flute profile backgauge body 17 is equipped with axis body 114 and the block body positioned at 114 front of axis body 116, the axis body 114 is equipped with the rotatably mounted and reclaiming plate 113 that is shelved on block body 116, before the reclaiming plate 113 End is connect by tension spring 115 with flute profile backgauge body 17, and the distance between the front end of the reclaiming plate 113 and axis body 114 are less than The distance between the rear end of flitch 113 and axis body 114, the one end of the reclaiming plate 113 far from flute profile backgauge body 17 are equipped with baffle 117, the upper end of the slot bottom of the flute profile backgauge body 17 is equipped with discharge port 112, lower end and the reclaiming plate 113 of the discharge port 112 Upper end it is concordant, the pedestal 11 is equipped with for receiving the feed mechanism 18 of the plunger bushing blank exported from reclaiming plate 113, institute It includes two bearing bodies 181, discharge groove body 182, pusher cylinder 183, scraping wings 184, striker plate 185 and two to state feed mechanism 18 A notch 186, the discharge groove body 182 are obliquely installed on the pedestal 11 by two bearing bodies 181, the discharge groove body 182 Slot bottom the high-end output end positioned at reclaiming plate 113 lower section, the low side of the discharge groove body 182 is equipped with striker plate 185, institute It states and is all provided with jagged 186 between the rear end and striker plate 185 of two cell walls of discharge groove body 182, one end of the striker plate 185 Equipped with pusher cylinder 183, the piston rod of the pusher cylinder 183 is equipped with scraping wings 184, and the pusher 19 includes driving Cylinder 191 and the square pushing plate 192 being located on the piston rod flanged plate of driving cylinder 191, the driving cylinder 191 pass through Connector 193 is fixedly connected with mounting body 110.
The course of work of the present invention:
A kind of plunger sleeve fixture mechanism of plunger bushing grinding machine of the present invention with feeding device easy to use during the work time, By 10 pile of plunger bushing blank on putting flitch 16, the piston rod for then starting driving cylinder 191 stretches out drive square promotion Plate 192 is moved to 112 direction of discharge port, and square pushing plate 192 pushes the plunger bushing blank for putting that top layer discharges on flitch 16 10 by discharge port 112 and into reclaiming plate 113, and the piston rod retraction for then starting driving cylinder 191 drives square promotion Plate 192 returns to initial position, and after plunger bushing blank 10 enters reclaiming plate 113, (due to front end and the axis body 114 of reclaiming plate 113 The distance between be less than the distance between rear end and the axis body 114 of reclaiming plate 113) compel to use by the gravity of plunger bushing blank 10 Flitch 113 rotates clockwise, and so that reclaiming plate 113 is changed from horizontality to heeling condition, until the front end of reclaiming plate 113 is shelved Discharge groove body 182 it is high-end on, at this point, the plunger bushing blank 10 on reclaiming plate 113 under self gravitation effect automatically into (after the plunger bushing blank on reclaiming plate 113 exports completely, reclaiming plate 113 is inverse under the action of tension spring 115 for discharge groove body 182 Hour hands rotation is shelved on again on block body 116), the piston rod stretching for then starting pusher cylinder 183 drives scraping wings 184 will most The feeding of plunger bushing blank 10 of lower position polishes equipment, and then the piston rod of pusher cylinder 183, which is retracted, drives scraping wings 184 to return to Initial position prepares push next time material, and whenever pusher 19 works once, Driving Stepping Motor 111 just drives threaded rod 14 Primary with the rotation of identical stepping beat, the rotation of threaded rod 14 drives lifting seat 15 to be moved upwards with identical stepping beat, lifting seat 15 drives are put flitch 16 and are moved upwards, and put the plunger bushing blank of pile on flitch 16 with rising together, realize step feeding.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after Scheme all belong to the scope of protection of the present invention.

Claims (3)

1. a kind of plunger sleeve fixture mechanism of plunger bushing grinding machine feeding device easy to use, it is characterised in that:Including pedestal (11), slide bar body (12), slide (13), threaded rod (14), lifting seat (15), put flitch (16), flute profile backgauge body (17), feeding Mechanism (18), pusher (19), mounting body (110), Driving Stepping Motor (111), discharge port (112), reclaiming plate (113), axis body (114), tension spring (115) and block body (116), the pedestal (11) are equipped with slide bar body (12), rotatable spiral shell Rasp bar (14) and the flute profile backgauge body (17) between slide bar body (12) and threaded rod (14), the slide bar body (12) are equipped with The slide (13) being slidably installed is arranged on the threaded rod (14) and is threadedly coupled lifting seat (15), the slide (13) and rises It is equipped with to be located in flute profile backgauge body (17) between drop seat (15) and puts flitch (16), one end of the mounting body (110) and cunning The upper end of the body of rod (12) is fixedly connected, and the other end and the upper end of threaded rod (14) are rotatably connected, on the mounting body (110) Equipped with the Driving Stepping Motor (111) that driving threaded rod (14) rotates, the centre of the mounting body (110) is equipped with pusher (19), the top on the outside of the slot bottom of the flute profile backgauge body (17) is equipped with axis body (114) and the block body in front of axis body (114) (116), the axis body (114) is equipped with reclaiming plate (113) that is rotatably mounted and being shelved on block body (116), the discharging The front end of plate (113) is connect by tension spring (115) with flute profile backgauge body (17), the front end of the reclaiming plate (113) and axis body The distance between (114) it is less than the distance between rear end and axis body (114) of reclaiming plate (113), the reclaiming plate (113) is separate One end of flute profile backgauge body (17) is equipped with baffle (117), and the upper end of the slot bottom of the flute profile backgauge body (17) is equipped with discharge port (112), the lower end of the discharge port (112) is concordant with the upper end of reclaiming plate (113), and the pedestal (11) is equipped with for receiving The feed mechanism (18) of the plunger bushing blank exported from reclaiming plate (113).
2. a kind of plunger sleeve fixture mechanism of plunger bushing grinding machine as described in claim 1 feeding device easy to use, It is characterized in that:The feed mechanism (18) includes two bearing bodies (181), discharge groove body (182), pusher cylinder (183), pusher Plate (184), striker plate (185) and two notches (186), the discharge groove body (182) are tilted by two bearing bodies (181) and are set It sets on pedestal (11), the lower section of the high-end output end positioned at reclaiming plate (113) of the slot bottom of the discharge groove body (182), institute The low side for stating discharge groove body (182) is equipped with striker plate (185), the rear end of two cell walls of the discharge groove body (182) and backgauge It is all provided between plate (185) jagged (186), one end of the striker plate (185) is equipped with pusher cylinder (183), the pusher gas The piston rod of cylinder (183) is equipped with scraping wings (184).
3. a kind of plunger sleeve fixture mechanism of plunger bushing grinding machine as described in claim 1 feeding device easy to use, It is characterized in that:The pusher (19) includes driving cylinder (191) and is located on the piston rod flanged plate of driving cylinder (191) Square pushing plate (192), the driving cylinder (191) is fixedly connected by connector (193) with mounting body (110).
CN201810655350.XA 2018-06-23 2018-06-23 Convenient to use's loading attachment is used to plunger sleeve fixing device of plunger sleeve mill Active CN108500833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810655350.XA CN108500833B (en) 2018-06-23 2018-06-23 Convenient to use's loading attachment is used to plunger sleeve fixing device of plunger sleeve mill

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Application Number Priority Date Filing Date Title
CN201810655350.XA CN108500833B (en) 2018-06-23 2018-06-23 Convenient to use's loading attachment is used to plunger sleeve fixing device of plunger sleeve mill

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CN108500833B CN108500833B (en) 2023-10-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111230501A (en) * 2020-03-07 2020-06-05 杭州现代机械有限公司 Machining equipment for mechanical arm

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5435056A (en) * 1993-10-15 1995-07-25 Micro-Precision Operations, Inc. Piston ring apparatus
CN106144537A (en) * 2016-09-19 2016-11-23 宁波高新区敦和科技有限公司 A kind of bearing automatic feeding device
CN205708412U (en) * 2016-04-26 2016-11-23 江苏中成紧固技术发展股份有限公司 A kind of wind-powered electricity generation crab-bolt stretch-draw automatic loading and unloading mechanism
CN106392737A (en) * 2016-11-09 2017-02-15 杭州知加网络科技有限公司 Feeding device for round steel cutting machine
CN106672664A (en) * 2017-03-16 2017-05-17 嘉兴市瑞彩印刷有限公司 Improved conveying device for clothing tag printing machine
CN107052924A (en) * 2017-01-06 2017-08-18 华纬科技股份有限公司 A kind of improved spring end face sanding apparatus
CN108044395A (en) * 2018-01-31 2018-05-18 嘉善县晓海金属制品厂(普通合伙) A kind of automatic charging device of tube-like piece
CN208391790U (en) * 2018-06-23 2019-01-18 嘉兴孚邦精锻有限公司 A kind of plunger sleeve fixture mechanism of plunger bushing grinding machine feeding device easy to use

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5435056A (en) * 1993-10-15 1995-07-25 Micro-Precision Operations, Inc. Piston ring apparatus
CN205708412U (en) * 2016-04-26 2016-11-23 江苏中成紧固技术发展股份有限公司 A kind of wind-powered electricity generation crab-bolt stretch-draw automatic loading and unloading mechanism
CN106144537A (en) * 2016-09-19 2016-11-23 宁波高新区敦和科技有限公司 A kind of bearing automatic feeding device
CN106392737A (en) * 2016-11-09 2017-02-15 杭州知加网络科技有限公司 Feeding device for round steel cutting machine
CN107052924A (en) * 2017-01-06 2017-08-18 华纬科技股份有限公司 A kind of improved spring end face sanding apparatus
CN106672664A (en) * 2017-03-16 2017-05-17 嘉兴市瑞彩印刷有限公司 Improved conveying device for clothing tag printing machine
CN108044395A (en) * 2018-01-31 2018-05-18 嘉善县晓海金属制品厂(普通合伙) A kind of automatic charging device of tube-like piece
CN208391790U (en) * 2018-06-23 2019-01-18 嘉兴孚邦精锻有限公司 A kind of plunger sleeve fixture mechanism of plunger bushing grinding machine feeding device easy to use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111230501A (en) * 2020-03-07 2020-06-05 杭州现代机械有限公司 Machining equipment for mechanical arm
CN111230501B (en) * 2020-03-07 2021-03-26 杭州现代机械有限公司 Machining equipment for mechanical arm

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Effective date of registration: 20230918

Address after: 314300 Building 5, Zhongqian Village, Shendang Town, Haiyan County, Jiaxing City, Zhejiang Province

Applicant after: HAIYAN FUBANG MACHINERY CO.,LTD.

Address before: 314300 Building 5, Zhongqian Village, Shendang Town, Haiyan County, Jiaxing City, Zhejiang Province

Applicant before: JIAXING FUBANG FINE FORGING Co.,Ltd.

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