CN209272507U - Centreless lathe cutter head - Google Patents

Centreless lathe cutter head Download PDF

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Publication number
CN209272507U
CN209272507U CN201821689920.9U CN201821689920U CN209272507U CN 209272507 U CN209272507 U CN 209272507U CN 201821689920 U CN201821689920 U CN 201821689920U CN 209272507 U CN209272507 U CN 209272507U
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China
Prior art keywords
cutter hub
cutter
connector sleeve
disc
positioning
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CN201821689920.9U
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Chinese (zh)
Inventor
徐知成
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Dongtai Ran Dan Machinery Manufacturing Co Ltd
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Dongtai Ran Dan Machinery Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of Centreless lathe cutter heads, including cutterhead connector sleeve, cutter hub and the cutter hub mounting disc being connected with cutterhead connector sleeve, cutter positioning cam disc is equipped in the periphery of cutter hub, circumferentially position is adjustably socketed on cutterhead connector sleeve cutter positioning cam disc, length adjustment bar is plugged in the outer end of cutter hub, its outer end is in contact with the cam cambered surface of cutter positioning cam disc, fastening screw is equipped on length adjustment bar, positioning cotter way corresponding with fastening screw is equipped on cutter hub, the distance of cutting tool point of a knife differs on the slot bottom to cutter hub of each positioning cotter way;It is set in cutter hub mounting disc there are four cutter hub mounting groove, four cutter hub mounting grooves are circumferentially uniformly arranged along cutter hub mounting disc, and the cutter hub installation bottom surface of each cutter hub mounting groove is located on the different cross section of cutter hub mounting disc.Bar is adapted in the processing of larger diameter variation range using the Centreless lathe cutter head of the utility model and guarantees each cutting tool load balancing and cutting tool cutter hub specification is identical.

Description

Centreless lathe cutter head
Technical field
The utility model relates to a kind of metal cutting process equipment more particularly to a kind of improvement of Centreless lathe cutterhead.
Background technique
Centreless lathe is a kind of lathe that turnery processing is specifically carried out to the outer circle of bar, and main shaft is hollow shaft, The front end of hollow shaft is provided with cutter head, with the cutting tool in the cutter head of main shaft rotation relative to across hollow spindle Processed bar periphery rotation processed bar is cut, processed bar by main shaft rear and front end charging and discharging It pinches component clamping and pinches component driving by charging and discharging and realize axial feed, usually circumferentially will be installed in cutter head Four cutting tools, in order to which centering and the cutting depth of cutter are easy to adjust and adapt to the turning of the bar of different-diameter, four Cutting tool can length having the same, and cutter periphery be arranged convex wheel disc, by each radial direction on convex wheel disc Convex block determines the radial position of cutter, and rotational positioning cam disc can unify to carry out the adjusting of cutting depth, but this mechanism The radial dimension variation range of middle convex block is limited, and the cutter that can only adapt to smaller bar diameter range is adjusted;It is filled in cutterhead In setting, usual four are in cutter on same mounting surface, this often will cause in each cutter and only one cutter is assumed responsibility for mainly Cutwork amount, each Tool in Cutting load is unbalanced and has uncertainty, influences machining precision.It is asked in order to avoid above-mentioned Topic can use the cutting tool of different size cutter hub, to adapt to the processing of bar in larger range, and make at each tool in cutting sword In in different cutting faces, this increases cutting tool specification kind, inconvenient using management.
Utility model content
For above-mentioned deficiency present in the prior art, the technical problem to be solved by the utility model is to provide a kind of nothings Heart lathe cutter head, it adapts to bar in the processing of larger diameter variation range and guarantees each cutting tool load balancing and cutting Cutter cutter hub specification is identical.
In order to solve the above-mentioned technical problem, a kind of Centreless lathe cutter head of the utility model, including cutterhead connector sleeve, cutter hub And the cutter hub mounting disc for installing cutter hub, it is equipped with cutting tool in the inner end of cutter hub, cutter hub mounting disc and cutterhead connector sleeve are solid Even, it is equipped with cutter positioning cam disc in the periphery of cutter hub, circumferentially position is adjustably socketed on cutterhead company to cutter positioning cam disc In female connector, it is plugged with length adjustment bar in the outer end of the cutter hub, the length adjustment bar outer end is convex with cutter positioning cam disc Wheel cambered surface is in contact, and fastening screw is equipped on the length adjustment bar, and it is corresponding with the fastening screw fixed to be equipped on cutter hub The distance of position cotter way, each slot bottom to cutting tool point of a knife for positioning cotter way differs;Knife there are four being set in the cutter hub mounting disc Body mounting groove, four cutter hub mounting grooves are circumferentially uniformly arranged along cutter hub mounting disc, the cutter hub installation bottom surface position of each cutter hub mounting groove In on the different cross section of cutter hub mounting disc.
In said structure, due to being plugged with length adjustment bar in the outer end of the cutter hub, the length adjustment bar outer end with The cam cambered surface of cutter positioning cam disc is in contact, and fastening screw is equipped on the length adjustment bar, is equipped with and this on cutter hub The distance of the corresponding positioning cotter way of fastening screw, each slot bottom to cutting tool point of a knife for positioning cotter way differs, then set Length adjustment bar can change the extension elongation relative to cutter hub by the positioning cotter way not waited to cutting tool point of a knife distance, The length adjustment bar for being plugged on cutter hub outer end in this way can conveniently, simply by the cam cambered surface of cutter positioning cam disc come Change the distance between point of a knife and spindle centerline, to adapt to the large range of diameter change of machined material, and passes through knife Has the cam cambered surface of convex wheel disc to be conveniently adjusted the cutting depth of cutting tool.Again due in the cutter hub mounting disc If four cutter hub mounting grooves are circumferentially uniformly arranged along cutter hub mounting disc, the cutter hub of each cutter hub mounting groove there are four cutter hub mounting groove Installation bottom surface is located on the different cross section of cutter hub mounting disc, then each cutting being mounted on cutter hub mounting groove cutter hub installation bottom surface Cutter is no longer on same machining face since cutter hub installation bottom surface is located on the different cross section of cutter hub mounting disc, this Sample allows for each cutting tool and successively carries out machining to processed bar axial, the mutual not shadow in the cutting face of each cutting tool It rings, each cutting tool can set the cutting depth of oneself, undertake determining cutting load, and each cutting tool can use phase The cutter hub of same specification size, installation are adjusted and are managed all very convenient.
A kind of preferred embodiment of the utility model, the fastening screw are straight pin, which passes through length tune Pole and length adjustment bar are connected, and the axis of the axis and length adjustment bar of straight pin intersects vertically.It is long using the embodiment It is easily manufactured to spend adjusting rod.
Another preferred embodiment of the utility model, the length adjustment bar are plugged in the grafting on cutter hub outer end face In hole, the positioning cotter way is arranged on cutter hub outer end face, and two positioning pin with different depths is equipped on cutter hub outer end face Slot, two positioning cotter ways are orthogonal, and the axis and grafting axially bored line for positioning cotter way intersect vertically.It, can be with using the embodiment 90 degree of adjustings that can be realized on length direction need to be rotated by making length adjustment bar only, and structure of the cutter body is also simple, easy to use.
Another preferred embodiment of the utility model is respectively arranged with dovetail in two side bottoms of the cutter hub, It is equipped with corresponding dovetail groove in a side bottom of cutter hub mounting groove, the dovetail of cutter hub side is plugged in cutter hub mounting groove side In dovetail groove, cutter hub briquetting is equipped in cutter hub mounting groove, cutter hub briquetting bottom surface side and cutter hub installation bottom surface constitute dovetail groove, Another dovetail of cutter hub is plugged in the dovetail groove, and the cutter hub is connected by cutter hub briquetting and cutter hub mounting disc.Using this Embodiment, it is firm, firm and easy to adjust that cutting tool is installed in cutter hub mounting disc.
The utility model further preferred embodiment, after the outer ring two sides of the cutterhead connector sleeve are respectively arranged with Disk and telophragma, hub disk and telophragma clamping cutterhead connector sleeve and, the knife circumferentially adjustable connected with cutterhead connector sleeve Tool convex wheel disc is connected on telophragma.Using the embodiment, by changing hub disk and telophragma to cutterhead connector sleeve Circumferential clip position can simply adjust the circumferential position between cutter positioning cam disc and cutterhead connector sleeve, that is, change The circumferential position of cutter positioning cam disc and the cutting tool being mounted in cutter hub mounting disc, by the cam disc of cutter positioning The radial position of cutting tool determined by cam cambered surface changes correspondingly, to conveniently realize the tune of cutting tool cutting depth Section.
Another further preferred embodiment of the utility model is equipped with gear in the periphery of the cutterhead connector sleeve, The outer ring two sides of cutterhead connector sleeve are respectively arranged with hub disk and telophragma, and the cutter positioning cam disc is connected on telophragma, The pinion gear being meshed with the gear of cutterhead connector sleeve periphery is plugged on telophragma, pinion gear inner hole is polygonal hole, Fastening swivel nut is screwed on the cam disc of cutter positioning, fastening swivel nut inner hole is opposite with the polygon inner hole of pinion gear, fastens swivel nut The diameter of inner hole is greater than the circumscribed circle diameter of pinion gear polygon inner hole, and cutter positioning cam disc is connected by pinion gear along cutterhead Set is adjusted circumferentially position and is connected by the fixed pinion gear of fastening swivel nut with cutterhead connector sleeve.Using the embodiment, hub disk It is adjusted with circumferential position of the telophragma to cutterhead connector sleeve by rotation pinion, and passes through the fixed pinion gear of fastening swivel nut It is connected with cutterhead connector sleeve, so that the adjusting of cutting tool cutting depth is more convenient, it is also more accurate.
Detailed description of the invention
The utility model Centreless lathe cutter head is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the utility model Centreless lathe cutter head;
Fig. 2 is the cross-sectional view of structure shown in Fig. 1;
Fig. 3 is the structural schematic diagram of cutter hub mounting disc in structure shown in Fig. 1;
Fig. 4 is the cross-sectional view of structure shown in Fig. 3;
Fig. 5 is the schematic diagram of assembly relation between cutter hub and length connecting rod in structure shown in Fig. 1;
Fig. 6 is the top view of structure shown in Fig. 5.
In figure: the cutter positioning 1- cam disc, 2- cam cambered surface, 3- length adjustment bar, 4- fastening screw, 5- telophragma, 6- Cutter hub mounting disc, 7- cutter hub installation bottom surface, 8- cutter hub, 9- cutting tool, 10- cutter hub briquetting, 11- fasten swivel nut, the small tooth of 12- Wheel, 13- cutterhead connector sleeve, 14- hub disk, 15- gear, 16- dovetail groove, 17- cutter hub mounting groove, 18- position cotter way, 19- dovetail Tenon.
Specific embodiment
In Fig. 1 and Centreless lathe cutter head shown in Fig. 2, it is entire knife that cutterhead connector sleeve 13, which is hollow discoid component, The structural member that disk is connected with Centreless lathe main shaft, cutter hub mounting disc 6 and cutterhead connector sleeve 13 for installing cutter hub 8 are connected, Referring to Fig. 3 and Fig. 4, cutter hub mounting disc 6 is hollow discoid body, is set in 6 side of cutter hub mounting disc there are four cutter hub mounting groove 17, Four cutter hub mounting grooves 17 are circumferentially uniformly arranged along cutter hub mounting disc 6, and the cutter hub installation bottom surface 7 of each cutter hub mounting groove 17 is located at knife On the different cross section of body mounting disc 6;Referring to figs. 5 and 6, it is respectively arranged with dovetail 19 in two side bottoms of cutter hub 8, in knife One side bottom of body mounting groove 17 is equipped with corresponding dovetail groove 16, and the dovetail 19 of 8 side of cutter hub is plugged in corresponding cutter hub peace In the dovetail groove 16 of 17 side of tankage, cutter hub briquetting 10 is equipped in cutter hub mounting groove 17,10 bottom surface side of cutter hub briquetting is equipped with Inclined-plane and constitute dovetail groove 16 with cutter hub installation bottom surface 7, another dovetail 19 of cutter hub 8 is plugged in the dovetail groove 16, cutter hub Briquetting 10 is connected by screw and cutter hub mounting disc 6 and cutter hub 8 is fixed in cutter hub mounting disc 6, and four pass through correspondence cutter hub 8 Cutter hub briquetting 10 be separately mounted in four cutter hub mounting grooves 17, four cutter hub 8 due to the cutter hub of four cutter hub mounting grooves 17 Installation bottom surface 7 is located on the different cross section of cutter hub mounting disc 6 and is on different axial positions;It is set in the inner end of cutter hub 8 There is cutting tool 9, is plugged with length adjustment bar 3 in the spliced eye on the outer end end face of cutter hub 8, is set on length adjustment bar 3 There is fastening screw 4, fastening screw 4 is straight pin, which passes through length adjustment bar 3 and be connected with length adjustment bar 3, cylinder The axis of pin and the axis of length adjustment bar 3 intersect vertically, and are equipped on the outer end face of cutter hub 8 corresponding with fastening screw 4 Two positioning cotter ways 18, two positioning cotter ways 18 have different depth, so that respectively the slot bottom of positioning cotter way 18 is to 9 point of a knife of cutting tool Distance differ, two positioning cotter ways 18 it is orthogonal, positioning cotter way 18 axis intersect vertically with grafting axially bored line, length adjustment Fastening screw 4 on bar 3 can be plugged in as needed in any one positioning cotter way 18, to make 3 outer end of length adjustment bar to knife The distance of 9 point of a knife of cutting tip differs in body 8, adapts to the processing needs for being turned on bar larger diameter variation range;In knife The periphery of body 8 is equipped with cutter positioning cam disc 1, and 3 outer end of length adjustment bar connects with the cam cambered surface 2 of cutter positioning cam disc 1 Touching, cutter positioning cam disc 1 are connected on telophragma 5, and telophragma 5 is connected with hub disk 14 and is separately positioned on cutterhead connector sleeve 13 Outer ring two sides, the periphery of cutterhead connector sleeve 13 be equipped with gear 15, be plugged on telophragma 5 and 13 periphery of cutterhead connector sleeve The pinion gear 12 that is meshed of gear 15,12 inner hole of pinion gear is hexagonal hole, naturally it is also possible to be triangle or quadrangle etc. Polygonal hole is screwed with fastening swivel nut 11 on cutter positioning cam disc 1, fastens the polygon of swivel nut 11 inner hole and pinion gear 12 Inner hole is opposite, and the diameter of fastening 11 inner hole of swivel nut is greater than the circumscribed circle diameter of 12 polygon inner hole of pinion gear, by with correspondence It can be rotated in the polygonal hole of the handle insertion pinion gear 12 of polygon tenon with driving pinion 12, to drive cutter positioning convex Wheel disc 1 is adjusted circumferentially position along cutterhead connector sleeve 13, then can be with cutterhead connector sleeve by the fixed pinion gear 12 of fastening swivel nut 11 13 are connected, and circumferentially position is adjustably socketed on cutterhead connector sleeve 13 such cutter positioning cam disc 1, and it is convex to adjust cutter positioning Wheel disc 1 can change relative to the circumferential position of cutterhead connector sleeve 13 to be in contact in cam cambered surface 2 with 3 outer end of length adjustment bar Position, make 9 point of a knife of cutting tool corresponding change at a distance from 13 rotation center of cutterhead connector sleeve, reach adjust cutting tool 9 Cutting depth purpose.
Some preferred embodiments of the utility model are only listed above, but the utility model is not limited thereto, also Many modifications and variations can be made.It such as can also be not provided with gear 15 in the periphery of the cutterhead connector sleeve 13, cutter is fixed Position cam disc 1 is not just to be adjusted circumferentially position along cutterhead connector sleeve 13 by pinion gear 12, and can be hub disk 14 and centre yet Disk 5 clamps cutterhead connector sleeve 13 and is fixedly connected with cutterhead connector sleeve 13 by fastening bolt or other connection types, unclamps tight Fixing bolt or the corresponding fastener of other connection types just can be such that cutter positioning cam disc 1 is adjusted circumferentially along cutterhead connector sleeve 13 Position.And so on, as long as improvement and transformation made on the basis of the utility model basic principle, are regarded as falling into In the protection scope of the utility model.

Claims (6)

1. a kind of Centreless lathe cutter head, including cutterhead connector sleeve (13), cutter hub (8) and cutter hub installation for installing cutter hub (8) Disk (6) is equipped with cutting tool (9) in the inner end of cutter hub (8), and cutter hub mounting disc (6) and cutterhead connector sleeve (13) are connected, in cutter hub (8) periphery is equipped with cutter positioning cam disc (1), and circumferentially position is adjustably socketed on cutterhead company to cutter positioning cam disc (1) In female connector (13), it is characterised in that: be plugged with length adjustment bar (3) in the outer end of the cutter hub (8), the length adjustment bar (3) Outer end is in contact with the cam cambered surface (2) of cutter positioning cam disc (1), and fastening screw is equipped on the length adjustment bar (3) (4), it is equipped with positioning cotter way (18) corresponding with fastening screw (4) on cutter hub (8), respectively positions the slot bottom of cotter way (18) extremely The distance of cutting tool (9) point of a knife differs;There are four being set on the cutter hub mounting disc (6) cutter hub mounting groove (17), four knives Body mounting groove (17) is circumferentially uniformly arranged along cutter hub mounting disc (6), and cutter hub installation bottom surface (7) of each cutter hub mounting groove (17) is located at On the different cross section of cutter hub mounting disc (6).
2. Centreless lathe cutter head according to claim 1, it is characterised in that: the fastening screw (4) is straight pin, the circle Pin passes through length adjustment bar (3) and length adjustment bar (3) and is connected, and the axis of straight pin and the axis of length adjustment bar (3) hang down Straight intersection.
3. Centreless lathe cutter head according to claim 1 or 2, it is characterised in that: the length adjustment bar (3) is plugged in knife In spliced eye on body (8) outer end face, the positioning cotter way (18) is arranged on cutter hub (8) outer end face, in cutter hub (8) outer end face It is equipped with two positioning cotter way (18) with different depths, two positioning cotter way (18) are orthogonal, position the axis of cotter way (18) It intersects vertically with grafting axially bored line.
4. Centreless lathe cutter head according to claim 1, it is characterised in that: distinguish in two side bottoms of the cutter hub (8) Dovetail (19) are provided with, are equipped with corresponding dovetail groove (16) in a side bottom of cutter hub mounting groove (17), cutter hub (8) side Dovetail (19) is plugged in the dovetail groove (16) of cutter hub mounting groove (17) side, and cutter hub pressure is equipped in cutter hub mounting groove (17) Block (10), cutter hub briquetting (10) bottom surface side and cutter hub installation bottom surface (7) constitute dovetail groove (16), another dovetail of cutter hub (8) Tenon (19) is plugged in the dovetail groove (16), and the cutter hub (8) is connected by cutter hub briquetting (10) and cutter hub mounting disc (6).
5. Centreless lathe cutter head according to claim 1, it is characterised in that: in the outer ring two of the cutterhead connector sleeve (13) Side is respectively arranged with hub disk (14) and telophragma (5), and hub disk (14) and telophragma (5) clamp cutterhead connector sleeve (13) and and knife Disk connector sleeve (13) is circumferentially adjusted and is connected, and the cutter positioning cam disc (1) is connected on telophragma (5).
6. Centreless lathe cutter head according to claim 1, it is characterised in that: set in the periphery of the cutterhead connector sleeve (13) There are gear (15), is respectively arranged with hub disk (14) and telophragma (5) in the outer ring two sides of cutterhead connector sleeve (13), the cutter is fixed Position cam disc (1) is connected on telophragma (5), and the gear with cutterhead connector sleeve (13) periphery is plugged on telophragma (5) (15) pinion gear (12) being meshed, pinion gear (12) inner hole are polygonal hole, are screwed on cutter positioning cam disc (1) tight Gu swivel nut (11), fastening swivel nut (11) inner hole is opposite with the polygon inner hole of pinion gear (12), fastens the straight of swivel nut (11) inner hole Diameter is greater than the circumscribed circle diameter of pinion gear (12) polygon inner hole, and cutter positioning cam disc (1) is by pinion gear (12) along cutterhead Connector sleeve (13) is adjusted circumferentially position and is connected by fastening swivel nut (11) fixed pinion gear (12) with cutterhead connector sleeve (13).
CN201821689920.9U 2018-10-18 2018-10-18 Centreless lathe cutter head Active CN209272507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821689920.9U CN209272507U (en) 2018-10-18 2018-10-18 Centreless lathe cutter head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821689920.9U CN209272507U (en) 2018-10-18 2018-10-18 Centreless lathe cutter head

Publications (1)

Publication Number Publication Date
CN209272507U true CN209272507U (en) 2019-08-20

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Family Applications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947984A (en) * 2019-12-11 2020-04-03 常德鹏达机械加工有限公司 Oil-spraying type centerless lathe head
CN111804939A (en) * 2020-06-30 2020-10-23 安徽盛达前亮铝业有限公司 Efficient multistage wagon device
CN112318289A (en) * 2020-11-05 2021-02-05 刘剑 Industrial design product appearance trimming device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947984A (en) * 2019-12-11 2020-04-03 常德鹏达机械加工有限公司 Oil-spraying type centerless lathe head
CN111804939A (en) * 2020-06-30 2020-10-23 安徽盛达前亮铝业有限公司 Efficient multistage wagon device
CN112318289A (en) * 2020-11-05 2021-02-05 刘剑 Industrial design product appearance trimming device

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