CN105965388A - Work-piece clamping device of numerically-controlled brake camshaft grinding machine - Google Patents

Work-piece clamping device of numerically-controlled brake camshaft grinding machine Download PDF

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Publication number
CN105965388A
CN105965388A CN201610292153.7A CN201610292153A CN105965388A CN 105965388 A CN105965388 A CN 105965388A CN 201610292153 A CN201610292153 A CN 201610292153A CN 105965388 A CN105965388 A CN 105965388A
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CN
China
Prior art keywords
fixture block
cutting ferrule
hoodle
clamp
clamp supporting
Prior art date
Application number
CN201610292153.7A
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Chinese (zh)
Other versions
CN105965388B (en
Inventor
吴永成
许英英
吴萍莉
吴萍瑜
吴艳艳
Original Assignee
泉州鲤城福辉汽车配件有限公司
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Priority to CN201610292153.7A priority Critical patent/CN105965388B/en
Publication of CN105965388A publication Critical patent/CN105965388A/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
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/061Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
    • 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
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
    • B24B19/125Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts electrically controlled, e.g. numerically controlled

Abstract

The invention discloses a work-piece clamping device of a numerically-controlled brake camshaft grinding machine. The work-piece clamping device comprises a grinding machine base, a second clamp supporting rod and a first clamp supporting rod are fixedly installed at the left end and the right end of the upper surface of the grinding machine base, clamp heads are arranged on the first clamp supporting rod and the second clamp supporting rod, a work-piece to be machined is movably clamped between the two clamp heads, and electric telescopic rods are fixedly installed inside a cavity of the first clamp supporting rod and a cavity of the second clamp supporting rod. According to the structure of the work-piece clamping device, tension springs are elastically stretched through telescoping regulation of the electric telescopic rods, mutual rotation of first clamping blocks and second clamping blocks is realized through clamping blocks movably arranged on fixing pin shafts in a sleeving mode and limiting rods, and therefore the clamp heads can be controlled to clamp or loosen the work-piece to be machined, rotary machining of an externally-connected motor can be easily realized through cooperation among ball limiting bases, balls and a bearing lantern ring, and the problem that the clamp heads are not flexible is well solved.

Description

A kind of numerical controlled brake camshaft grinding machine work holder
Technical field
The present invention relates to grinding machine relevant device technical field, be specially a kind of numerical controlled brake camshaft grinding machine work Part clamping device.
Background technology
Camshaft is widely used in the electromotor such as gasoline engine or diesel engine, in order to control injection pump switch or The keying of air inlet and exhaust valve, the quality of its crudy directly decides the service behaviour of electromotor.Camshaft leads to Often formed by digital-control camshaft grinding machine grinding, during grinding, camshaft is clamped in top and tail point, by top Drive workpiece rotates, the feed motion of emery wheel and the rotary motion linkage of workpiece, can process and meet the requirements Camshaft, existing camshaft fixture is the most dumb, great majority all limited by manual operation, use Come very inconvenient, for this it is proposed that a kind of numerical controlled brake camshaft grinding machine work holder is used for solving The problems referred to above.
Summary of the invention
It is an object of the invention to provide a kind of numerical controlled brake camshaft grinding machine work holder, to solve The problem proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of numerical controlled brake camshaft grinding machine Work holder, including grinder base, the two ends, upper surface left and right of described grinder base fixedly mount respectively There are the second clamp supporting rods and the first clamp supporting rods, described first clamp supporting rods and the second clamp supporting rods On be respectively equipped with active card between clamp head, and two groups of clamp head and be provided with processing workpiece, described first fixture props up The inner chamber of strut and the second clamp supporting rods is all installed with electric expansion bar, and electric expansion bar electrically connects Connect the control processor being arranged in grinder base, described first clamp supporting rods and the second clamp supporting rods Upper end is provided with fixed pin shaft, and on described fixed pin shaft, movable sleeve is provided with the first gag lever post and the second gag lever post, Connect by extension spring is fixing between described first gag lever post and the second gag lever post, and the middle part fixed installation of extension spring In the head of electric expansion bar, described first gag lever post connects the first fixture block, institute by the first fixture block is fixing State the second gag lever post and connect the second fixture block, described first fixture block and the position of the second fixture block by the second fixture block is fixing Put relatively, and the inwall of the first fixture block and the second fixture block is movably equipped with the bearing collar.
Preferably, the inwall of described first fixture block and the second fixture block is all installed with hoodle limit base, described In hoodle limit base, active card is provided with hoodle, and the described bearing collar includes the first cutting ferrule and the second cutting ferrule, described The hoodle stopper slot active card that the lateral wall of the first cutting ferrule and the second cutting ferrule is all put by card is located on hoodle, The position of described first cutting ferrule and the second cutting ferrule is relative, and the first cutting ferrule and the second cutting ferrule are mutually folded with trepanning.
Preferably, the surface of described hoodle limit base offers the groove identical with hoodle shape, and hoodle limit Position seat is identical with the quantity of hoodle, and described trepanning fixed cover is located on processing workpiece.
Preferably, the shape of described first fixture block, the second fixture block, the first cutting ferrule and the second cutting ferrule is identical, all For semicircular structure, and the size of the first fixture block and the second fixture block is identical, the first cutting ferrule and the second cutting ferrule big Little identical, on described first fixture block and the second fixture block, arc length between adjacent hoodle is less than the arc length of the first cutting ferrule.
Compared with prior art, the invention has the beneficial effects as follows: present configuration is stretched by electric expansion bar Contracting regulation drives the elastic telescopic of extension spring, is come by the fixture block being movably set on fixed pin shaft and gag lever post Realize the mutual rotation of the first fixture block and the second fixture block, thus control sandwiched and the dismounting processing workpiece of clamp head, Utilize cooperating of hoodle limit base, hoodle and the bearing collar, it is possible to easily realize the external of processing workpiece Motor rotates processing, and whole fixture well solves the inflexible problem of clamp head.
Accompanying drawing explanation
Fig. 1 is present clip supporting bar structure schematic diagram;
Fig. 2 is present clip header structure schematic diagram;
Fig. 3 is fixed pin shaft structural representation of the present invention;
Fig. 4 is present configuration schematic diagram.
In figure: 1 grinder base, 2 first clamp supporting rods, 3 second clamp supporting rods, 4 clamp head, 41 First fixture block, 42 second fixture blocks, 5 processing workpiece, the 6 bearing collars, 61 first cutting ferrules, 62 second cutting ferrules, 7 hoodle limit bases, 8 hoodles, 9 trepannings, 10 electric expansion bars, 11 extension springs, 12 fixed pin shafts, 13 One fixture block, 14 second fixture blocks, 15 first gag lever posts, 16 second gag lever posts.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-4, the present invention provides a kind of technical scheme: a kind of numerical controlled brake camshaft grinding machine workpiece Clamping device, including grinder base 1, the two ends, upper surface left and right of grinder base 1 are installed with second respectively Clamp supporting rods 3 and the first clamp supporting rods 2, the first clamp supporting rods 2 and the second clamp supporting rods 3 are divided It is not provided with active card between clamp head 4, and two groups of clamp head 4 and is provided with processing workpiece 5, the first clamp supporting rods 2 and second the inner chamber of clamp supporting rods 3 be all installed with electric expansion bar 10, and electric expansion bar 10 electricity Property connect the control processor that is arranged in grinder base 1, the first clamp supporting rods 2 and the second fixture and support The upper end of bar 3 is provided with fixed pin shaft 12, and on fixed pin shaft 12, movable sleeve is provided with the first gag lever post 15 and Two gag lever posts 16, connect by extension spring 11 is fixing between the first gag lever post 15 and the second gag lever post 16, and draw The middle part of spring 11 is fixedly mounted in the head of electric expansion bar 10, and the first gag lever post 15 is by the first fixture block 13 fixing first fixture blocks 41 that connect, the second gag lever post 16 connects the second fixture block 42 by the second fixture block 14 is fixing, First fixture block 41 is relative with the position of the second fixture block 42, and the first fixture block 41 and inwall of the second fixture block 42 It is movably equipped with the bearing collar 6.
The inwall of the first fixture block 41 and the second fixture block 42 is all installed with hoodle limit base 7, hoodle limit base In 7, active card is provided with hoodle 8, and the bearing collar 6 includes the first cutting ferrule 61 and the second cutting ferrule 62, the first cutting ferrule 61 and second the hoodle stopper slot active card that all put by card of the lateral wall of cutting ferrule 62 be located on hoodle 8, One cutting ferrule 61 is relative with the position of the second cutting ferrule 62, and the first cutting ferrule 61 and the second mutual sandwiched of cutting ferrule 62 Trepanning 9, the surface of hoodle limit base 7 is had to offer the groove identical with hoodle 8 shape, and hoodle limit base 7 is identical with the quantity of hoodle 8, and trepanning 9 fixed cover is located on processing workpiece 5, the first fixture block 41, second Fixture block the 42, first cutting ferrule 61 is identical with the shape of the second cutting ferrule 62, is semicircular structure, and the first folder Block 41 is identical with the size of the second fixture block 42, and the first cutting ferrule 61 is identical with the size of the second cutting ferrule 62, the On one fixture block 41 and the second fixture block 42, arc length between adjacent hoodle 8 is less than the arc length of the first cutting ferrule 61.
Present configuration drives the elastic telescopic of extension spring 11 by the telescopic adjustment of electric expansion bar 10, logical Cross the fixture block being movably set on fixed pin shaft 12 and gag lever post realizes the first fixture block 41 and the second fixture block 42 Mutual rotation, thus control sandwiched and the dismounting processing workpiece 5 of clamp head 4, utilize hoodle limit base 7, Cooperating of hoodle 8 and the bearing collar 6, it is possible to easily realize the external motor of processing workpiece 5 and rotate and add Work, whole fixture well solves the inflexible problem of clamp head 4.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, It is appreciated that and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention Changing, revise, replace and modification, the scope of the present invention be defined by the appended.

Claims (4)

1. a numerical controlled brake camshaft grinding machine work holder, including grinder base (1), described mill The two ends, upper surface left and right of bed base (1) are installed with the second clamp supporting rods (3) and the first folder respectively Tool support bar (2), described first clamp supporting rods (2) and the second clamp supporting rods (3) are respectively equipped with Between clamp head (4), and two groups of clamp head (4), active card is provided with processing workpiece (5), it is characterised in that: The inner chamber of described first clamp supporting rods (2) and the second clamp supporting rods (3) is all installed with electronic stretching Contracting bar (10), and the control process that electric expansion bar (10) electric connection is arranged in grinder base (1) Device, the upper end of described first clamp supporting rods (2) and the second clamp supporting rods (3) is provided with fixed pin shaft (12), the upper movable sleeve of described fixed pin shaft (12) is provided with the first gag lever post (15) and the second gag lever post (16), Connect by extension spring (11) is fixing between described first gag lever post (15) and the second gag lever post (16), and The middle part of extension spring (11) is fixedly mounted in the head of electric expansion bar (10), described first gag lever post (15) Connecting the first fixture block (41) by the first fixture block (13) is fixing, described second gag lever post (16) passes through second Fixture block (14) fixing connection the second fixture block (42), described first fixture block (41) and the second fixture block (42) Position is relative, and the inwall of the first fixture block (41) and the second fixture block (42) is movably equipped with the bearing collar (6).
A kind of numerical controlled brake camshaft grinding machine work holder the most according to claim 1, it is special Levy and be: it is spacing that the inwall of described first fixture block (41) and the second fixture block (42) is all installed with hoodle Seat (7), the interior active card of described hoodle limit base (7) is provided with hoodle (8), and the described bearing collar (6) is wrapped Include the first cutting ferrule (61) and the second cutting ferrule (62), described first cutting ferrule (61) and the second cutting ferrule (62) The hoodle stopper slot active card that lateral wall is all put by card is located on hoodle (8), described first cutting ferrule (61) Relative with the position of the second cutting ferrule (62), and the first cutting ferrule (61) and the second cutting ferrule (62) mutually sandwiched There is trepanning (9).
A kind of numerical controlled brake camshaft grinding machine work holder the most according to claim 1 and 2, It is characterized in that: the surface of described hoodle limit base (7) offers the groove identical with hoodle (8) shape, And hoodle limit base (7) is identical with the quantity of hoodle (8), described trepanning (9) fixed cover is located at processing work On part (5).
A kind of numerical controlled brake camshaft grinding machine work holder the most according to claim 1 and 2, It is characterized in that: described first fixture block (41), the second fixture block (42), the first cutting ferrule (61) and the second card The shape of set (62) is identical, is semicircular structure, and the first fixture block (41) and the second fixture block (42) Size identical, the first cutting ferrule (61) is identical with the size of the second cutting ferrule (62), described first fixture block (41) With the arc length that second between the upper adjacent hoodle (8) of fixture block (42) is less than the arc length of the first cutting ferrule (61).
CN201610292153.7A 2016-05-05 2016-05-05 A kind of numerical controlled brake camshaft grinding machine work holder Active CN105965388B (en)

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CN105965388B CN105965388B (en) 2019-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109129074A (en) * 2018-10-18 2019-01-04 瓦房店金峰轴承制造有限公司 A kind of double-ended grinding machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027224A1 (en) * 1979-10-11 1981-04-22 Georg Fischer Aktiengesellschaft Centric-chucking device for workpieces
JPH08247115A (en) * 1995-03-13 1996-09-24 Nikken Kogyo Kk Tubular body fixing device
CN203751768U (en) * 2014-03-27 2014-08-06 马单 Milling machine jig
CN104493572A (en) * 2014-12-26 2015-04-08 重庆璇儿科技有限公司 Clamping device with clamping blocks
CN205685178U (en) * 2016-05-05 2016-11-16 泉州鲤城福辉汽车配件有限公司 A kind of numerical controlled brake camshaft grinding machine work holder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027224A1 (en) * 1979-10-11 1981-04-22 Georg Fischer Aktiengesellschaft Centric-chucking device for workpieces
JPH08247115A (en) * 1995-03-13 1996-09-24 Nikken Kogyo Kk Tubular body fixing device
CN203751768U (en) * 2014-03-27 2014-08-06 马单 Milling machine jig
CN104493572A (en) * 2014-12-26 2015-04-08 重庆璇儿科技有限公司 Clamping device with clamping blocks
CN205685178U (en) * 2016-05-05 2016-11-16 泉州鲤城福辉汽车配件有限公司 A kind of numerical controlled brake camshaft grinding machine work holder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109129074A (en) * 2018-10-18 2019-01-04 瓦房店金峰轴承制造有限公司 A kind of double-ended grinding machine

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