CN203418280U - Self-centering type knurling mechanism - Google Patents
Self-centering type knurling mechanism Download PDFInfo
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- CN203418280U CN203418280U CN201320467353.3U CN201320467353U CN203418280U CN 203418280 U CN203418280 U CN 203418280U CN 201320467353 U CN201320467353 U CN 201320467353U CN 203418280 U CN203418280 U CN 203418280U
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- fork
- knurling
- knurled wheel
- knurled
- slide block
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Abstract
A self-centering type knurling mechanism comprises a shell body and a sliding block arranged in the shell body in a sliding mode, wherein a push rod is fixed to the head portion of the sliding block, a first knurling wheel is arranged on the head portion of the push rod, a first arc-shaped guiding groove and a second arc-shaped guiding groove are respectively and symmetrically formed in two sides of the sliding block in a concave mode, a first swing rod and a second swing rod are symmetrically arranged on two sides of the push rod respectively, the middle of the first swing rod and the middle of the second swing rod are both hinged to the shell body, a first roller rolling along the first arc-shaped guiding groove and a second roller rolling along the second arc-shaped guiding groove are correspondingly arranged on the tail portion of the first swing rod and the tail portion of the second swing rod respectively, a second knurling wheel and a third knurling wheel are arranged on the head portion of the first swing rod and the head portion of the second swing rod respectively, the second knurling wheel and the third knurling wheel are located on two sides in front of the first knurling wheel respectively, and the three knurling wheels are uniformly distributed on the same circumference, and space allowing axis parts to be inserted is reserved among the knurling wheels. The three knurling wheels are adopted to carry out knurling, the three knurling wheels play a role in supporting against one another in the knurling process all the time, and the axis parts of any lengths can be rolled.
Description
(1) technical field
The utility model relates to a kind of self-centering type knurling mechanism.
(2) background technology
Traditional axial workpiece annular knurl device operated by rotary motion, by a side of knurled shaft class part outer radial direction, adopts one or two knurled wheels to carry out rolling.During work, axial workpiece is clamped on the chuck of lathe, and knurled wheel clamping, on knife rest, shakes middle carriage handle, makes the powerful extruding of knurled wheel Axle Surface, when chuck drives axial workpiece rotation, thereby forms annular knurl on the outer surface of axial workpiece.
This processing method disadvantage is a lot.The first, owing to being the powerful extruding of one direction, have a strong impact on machine tool chief axis running accuracy.The second, powerful extruding force is by knurled wheel, and last reaction, on middle carriage screw mandrel, nut, causes screw mandrel to become curved, and makes wearing and tearing aggravation.The 3rd, during extruding thin and long shafts part, not only can not complete annular knurl at axial workpiece outer surface, and therefore workpiece can, because one direction extruding causes axial workpiece bending, scraps, even can lead to the person, device security accident.And annular knurl efficiency is low, is unfavorable for batch production and realizes automation.
(3) summary of the invention
For overcome in prior art, exist above-mentioned deficiency, the utility model provide a kind of simple in structure, can carry out to the axial workpiece of random length the self-centering type knurling mechanism of annular knurl.
The technical scheme in the invention for solving the technical problem is: a kind of self-centering type knurling mechanism, comprise housing, in this housing, be laterally slidably equipped with a slide block, the tail end of this slide block is connected with the output of a moving drive mechanism, the head of this slide block is fixed with the push rod of a horizontally set, the head of this push rod stretches out outside described housing and is provided with the first knurled wheel, the both sides of described slide block respectively symmetry are concaved with the first arc guide groove and the second arc guide groove, the both sides of described push rod are arranged with respectively the first fork and the second fork, the middle part of described the first fork and the second fork is all hinged on described housing, the afterbody of described the first fork is provided with the first roller rolling along described the first arc guide groove, the afterbody of described the second fork is provided with the second roller rolling along described the second arc guide groove, the head of described the first fork and the second fork all stretches out outside described housing and is respectively equipped with the second knurled wheel and the 3rd knurled wheel, described the second knurled wheel and the 3rd knurled wheel lay respectively at the both sides in the place ahead of described the first knurled wheel, and three knurled wheels are evenly distributed on same circumference and the middle space of leaving axial workpiece insertion.
Further, described moving drive mechanism is hydraulic jack, and the output of this hydraulic jack and described slide block fix, simple in structure.
Further, the width of the head of described slide block is less than the width of afterbody, rational in infrastructure.
Further, described the first fork and the second fork are curved, on the head of described push rod, the first fork and the second fork, be equipped with holddown groove, in this holddown groove, be vertically provided with rotating shaft, on the sidewall that is arranged on described holddown groove that rotate at the two ends of this rotating shaft, described the first knurled wheel or the second knurled wheel or the 3rd knurled wheel are installed in this rotating shaft, the width of holddown groove is less than the diameter of three knurled wheels, such three knurled wheels can expose a part, can contact with part to be processed.
Further, described housing is fixed in a gripper shoe, also comprise a vertical guide, in this vertical guide, be slidably equipped with a slide plate one, thereby this slide plate one is driven along the vertical slippage of described vertical guide by vertical driving mechanism, on this slide plate one, be also laterally provided with a cross slide way, on this cross slide way, be slidably equipped with a slide plate two, thereby this slide plate two is driven along described cross slide way horizontal sliding by transversal driving mechanism, described transversal driving mechanism is fixed in described gripper shoe, vertical driving mechanism can make three knurled wheels on housing go up simultaneously, lower movement, thereby be convenient to roll on annular knurl at the diverse location of axial workpiece, transversal driving mechanism can make three knurled wheels on housing simultaneously left, move right, thereby being convenient to axial workpiece moves into or shifts out between three knurled wheels, easy to process.
Further, described vertical driving mechanism comprises motor, be located at the screw mandrel on the output of this motor, the output of this screw mandrel is connected with described slide plate one, described transversal driving mechanism comprises the Rodless cylinder being fixed in described gripper shoe, the output of this Rodless cylinder is connected with described slide plate two, simple in structure.
The utility model in use, when axial workpiece is between three knurled wheels, hydraulic jack drives slide block to be moved to the left, slipper push push rod is moved to the left, the first knurled wheel on push rod end contacts with the outer surface of axial workpiece, simultaneously, slide block is when being moved to the left, the first roller and the second roller move along the first arc guide groove and the second arc guide groove respectively, thereby the first fork and the second fork are rotated around its pin joint separately, relative the opening of afterbody of the first fork and the second fork, thereby the head of the first fork and the second fork closes up the second knurled wheel making on the first fork head relatively all to be contacted with the outer surface of axial workpiece with the 3rd knurled wheel on the second fork head, such three knurled wheels are distributed on the outer surface of axial workpiece and axial workpiece are clamped, the height of the size of clamping force and annular knurl decorative pattern can be realized by adjusting the size of hydraulic jack pressure, thereby then axial workpiece rotates and roll out annular knurl on the outer surface of axial workpiece.
When axial workpiece is outward after annular knurl, hydraulic jack drives slide block travelling backwards, thereby band movable slider travelling backwards, slide block drives push rod travelling backwards, the first knurled wheel on push rod end no longer contacts with the outer surface of axial workpiece, simultaneously, slide block is when travelling backwards, the first roller and the second roller oppositely move along the first arc guide groove and the second arc guide groove respectively, thereby the first fork and the second fork are rotated backward around its pin joint separately, relative the drawing close of afterbody of the first fork and the second fork, thereby the head of the first fork and the second fork is relative opens the second knurled wheel of making on the first fork head and the 3rd knurled wheel on the second fork head does not contact with the outer surface of axial workpiece, such three knurled wheels unclamp axial workpiece, then take out axial workpiece.
Owing to being provided with transversal driving mechanism and vertical driving mechanism, in use, the Rodless cylinder of transversal driving mechanism drives slide plate two along the horizontal left and right movement of cross slide way, thereby drive the horizontal left and right movement of gripper shoe, further drive housing and on the horizontal left and right movement of three knurled wheels, thereby the driven by motor screw mandrel of vertical driving mechanism rotates and drives slide plate one to move up and down along vertical guide, thus drive housing and on three knurled wheels move up and down.When need be to axial workpiece annular knurl, can make three knurled wheels move to left, thereby make axial workpiece between three knurled wheels, be convenient to axial workpiece to carry out annular knurl, after axial workpiece annular knurl, can make three knurled wheels move to right, thereby axial workpiece is shifted out between three knurled wheels, be convenient to take out axial workpiece, while rolling out annular knurl on need to the diverse location at axial workpiece, can make three knurled wheels move up and down correct position.
The beneficial effects of the utility model are: adopt said structure, knurled wheel has three and be evenly distributed on same circumference, like this when axial workpiece is clamped, the clamping force that three knurled wheels produce is on the same center of circle, when axial workpiece is clamped, it is subject to force direction to point to all the time the center of circle, in annular knurl process, play all the time the effect of mutual support, overcome with annular knurl length and increased and axial workpiece bending deformed phenomenon, thereby axial workpiece that can rolling random length.Thereby and drive three knurled wheels relatively open and draw in by the movement of a slide block simultaneously, and it is convenient to control, and synchronism is high, can realize self-centering.
(4) accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic diagram of the present utility model.
The schematic perspective view of housing of the present utility model during Fig. 3.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 1～Fig. 3, a kind of self-centering type knurling mechanism, comprise housing 1, the interior slide block 2 that is laterally slidably equipped with of this housing 1, the tail end of this slide block 2 is connected with the output of a moving drive mechanism, this moving drive mechanism can be hydraulic jack 21, the output of this hydraulic jack 21 and described slide block 2 fix, hydraulic drive has rapid commutation, speed change, inertia is little, and can realize the feature of overload protection, this moving drive mechanism can also be selected cylinder, the head of described slide block 2 is fixed with the push rod 3 of a horizontally set, the head of this push rod 3 stretches out outside described housing 1 and is provided with the first knurled wheel 4, push rod 3 is rigidly connected with slide block 2, when slide block 2 moves, guarantee also synchronizing moving of the first knurled wheel 4, the both sides of described slide block 2 respectively symmetry are concaved with the first arc guide groove 5 and the second arc guide groove 6, the both sides of described push rod 3 are arranged with respectively the first fork 7 and the second fork 8, the middle part of described the first fork 7 and the second fork 8 is all hinged on described housing 1, the afterbody of described the first fork 7 is provided with the first roller 9 rolling along described the first arc guide groove 5, the afterbody of described the second fork 8 is provided with the second roller 10 rolling along described the second arc guide groove 6, the head of described the first fork 7 and the second fork 8 all stretches out outside described housing 1 and is respectively equipped with the second knurled wheel 11 and the 3rd knurled wheel 12, described the second knurled wheel 11 and the 3rd knurled wheel 12 lay respectively at the both sides in the place ahead of described the first knurled wheel 4, and three knurled wheels are evenly distributed on same circumference and the middle space of leaving axial workpiece insertion.
The width of the head of described slide block 2 is less than the width of afterbody, rational in infrastructure.
Described the first fork 7 and the second fork 8 are curved, on the head of described push rod 3, the first fork 7 and the second fork 8, be equipped with holddown groove 14, this holddown groove 14 is interior is vertically provided with rotating shaft 15, on the sidewall that is arranged on described holddown groove 14 that rotate at the two ends of this rotating shaft 15, described the first knurled wheel 4 or the second knurled wheel 11 or the 3rd knurled wheel 12 are installed in this rotating shaft 15, the width of holddown groove 14 is less than the diameter of three knurled wheels, such three knurled wheels can expose a part, can contact with part to be processed.
Described housing 1 is fixed in a gripper shoe 16, also comprise a vertical guide, in this vertical guide, be slidably equipped with a slide plate 1, thereby this slide plate 1 is driven along the vertical slippage of described vertical guide by vertical driving mechanism, on this slide plate 1, be also laterally provided with a cross slide way 18, on this cross slide way 18, be slidably equipped with a slide plate 2 19, thereby this slide plate 2 19 is driven along described cross slide way 18 horizontal slidings by transversal driving mechanism, described transversal driving mechanism is fixed in described gripper shoe 16, vertical driving mechanism can make three knurled wheels on housing 1 go up simultaneously, lower movement, thereby be convenient to roll on annular knurl at the diverse location of axial workpiece, transversal driving mechanism can make three knurled wheels on housing 1 simultaneously left, move right, thereby being convenient to axial workpiece 13 moves into or shifts out between three knurled wheels, easy to process.
Described vertical driving mechanism comprises motor, be located at the screw mandrel on the output of this motor, the output of this screw mandrel is connected with described slide plate 1, described transversal driving mechanism comprises the Rodless cylinder 20 being fixed in described gripper shoe 16, the output of this Rodless cylinder 20 is connected with described slide plate 2 19, simple in structure.
The utility model in use, when axial workpiece 13 is between three knurled wheels, hydraulic jack 21 drives slide block 2 to be moved to the left, slide block 2 promotes push rod 3 and is moved to the left, the first knurled wheel 4 on push rod 3 ends contacts with the outer surface of axial workpiece 13, simultaneously, slide block 2 is when being moved to the left, the first roller 9 and the second roller 10 move along the first arc guide groove 5 and the second arc guide groove 6 respectively, thereby the first fork 7 and the second fork 8 are rotated around its pin joint separately, relative the opening of afterbody of the first fork 7 and the second fork 8, thereby the head of the first fork 7 and the second fork 8 closes up the second knurled wheel 11 making on the first fork 7 heads relatively all to be contacted with the outer surface of axial workpiece 13 with the 3rd knurled wheel 12 on the second fork 8 heads, such three knurled wheels are distributed on the outer surface of axial workpiece 13 and axial workpiece 13 are clamped, the height of the size of clamping force and annular knurl decorative pattern can be realized by adjusting the size of hydraulic jack pressure, thereby then axial workpiece 13 rotates and roll out annular knurl on the outer surface of axial workpiece 13.
Outside axial workpiece 13 after annular knurl, hydraulic jack 21 drives slide block 2 travelling backwards, thereby band movable slider 2 travelling backwards, slide block 2 drives push rod 3 travelling backwards, the first knurled wheel 4 on push rod 3 ends no longer contacts with the outer surface of axial workpiece 13, simultaneously, slide block 2 is when travelling backwards, the first roller 9 and the second roller 10 oppositely move along the first arc guide groove 5 and the second arc guide groove 6 respectively, thereby the first fork 7 and the second fork 8 are rotated backward around its pin joint separately, relative the drawing close of afterbody of the first fork 7 and the second fork 8, thereby the head of the first fork 7 and the second fork 8 is relative opens the second knurled wheel 11 of making on the first fork 7 heads and the 3rd knurled wheel 12 on the second fork 8 heads does not contact with the outer surface of axial workpiece 13, such three knurled wheels unclamp axial workpiece 13, then take out axial workpiece 13.
Owing to being provided with transversal driving mechanism and vertical driving mechanism, in use, the Rodless cylinder 20 of transversal driving mechanism drives slide plate 2 19 along the horizontal left and right movement of cross slide way 18, thereby drive the horizontal left and right movement of gripper shoe 16, further drive housing 1 and on the horizontal left and right movement of three knurled wheels, thereby the driven by motor screw mandrel of vertical driving mechanism rotates and drives slide plate 1 to move up and down along vertical guide, thus drive housing 1 and on three knurled wheels move up and down.When need be to axial workpiece 13 annular knurl, can make three knurled wheels move to left, thereby make axial workpiece 13 between three knurled wheels, be convenient to axial workpiece 13 to carry out annular knurl, after axial workpiece 13 annular knurls, can make three knurled wheels move to right, thereby axial workpiece 13 is shifted out between three knurled wheels, be convenient to take out axial workpiece 13, in the time need to rolling out annular knurl on the diverse location of axial workpiece 13, can make three knurled wheels move up and down correct position.
Said structure is in location and clamp and aspect two, have very large breakthrough, by thering is the slide block of particular curve profile, locate, positioning precision can reach 5 μ m, by hydraulic jack, drive slide block to make three knurled wheels clamp simultaneously or unclamp, can carry out annular knurl to the axial workpiece of different-diameter, simultaneously by adjusting the height of hydraulic jack pressure capable of regulating annular knurl line.And knurled wheel has three and be evenly distributed on same circumference, the equal diameters of three knurled wheels, knife mark is identical, the edge of a knife is contour in same level, like this when axial workpiece is clamped, the clamping force that three knurled wheels produce is on the same center of circle, when axial workpiece is clamped, it is subject to force direction to point to all the time the center of circle, in annular knurl process, play all the time the effect of mutual support, overcome with annular knurl length and increased and axial workpiece bending deformed phenomenon, thereby axial workpiece that can rolling random length.Thereby and drive three knurled wheels relatively open and draw in by the movement of a slide block simultaneously, and it is convenient to control, and synchronism is high, can realize self-centering.
Claims (6)
1. a self-centering type knurling mechanism, it is characterized in that: comprise housing, in this housing, be laterally slidably equipped with a slide block, the tail end of this slide block is connected with the output of a moving drive mechanism, the head of this slide block is fixed with the push rod of a horizontally set, the head of this push rod stretches out outside described housing and is provided with the first knurled wheel, the both sides of described slide block respectively symmetry are concaved with the first arc guide groove and the second arc guide groove, the both sides of described push rod are arranged with respectively the first fork and the second fork, the middle part of described the first fork and the second fork is all hinged on described housing, the afterbody of described the first fork is provided with the first roller rolling along described the first arc guide groove, the afterbody of described the second fork is provided with the second roller rolling along described the second arc guide groove, the head of described the first fork and the second fork all stretches out outside described housing and is respectively equipped with the second knurled wheel and the 3rd knurled wheel, described the second knurled wheel and the 3rd knurled wheel lay respectively at the both sides in the place ahead of described the first knurled wheel, and three knurled wheels are evenly distributed on same circumference and the middle space of leaving axial workpiece insertion.
2. according to self-centering type knurling mechanism claimed in claim 1, it is characterized in that: described moving drive mechanism is hydraulic jack, the output of this hydraulic jack and described slide block fix.
3. according to the self-centering type knurling mechanism described in claim 1 or 2, it is characterized in that: the width of the head of described slide block is less than the width of afterbody.
4. according to the self-centering type knurling mechanism described in claim 1 or 2, it is characterized in that: described the first fork and the second fork are curved, on the head of described push rod, the first fork and the second fork, be equipped with holddown groove, in this holddown groove, be vertically provided with rotating shaft, on the sidewall that is arranged on described holddown groove that rotate at the two ends of this rotating shaft, described the first knurled wheel or the second knurled wheel or the 3rd knurled wheel are installed in this rotating shaft.
5. according to the self-centering type knurling mechanism described in claim 1 or 2, it is characterized in that: described housing is fixed in a gripper shoe, also comprise a vertical guide, in this vertical guide, be slidably equipped with a slide plate one, thereby this slide plate one is driven along the vertical slippage of described vertical guide by vertical driving mechanism, on this slide plate one, be also laterally provided with a cross slide way, on this cross slide way, be slidably equipped with a slide plate two, thereby this slide plate two is driven along described cross slide way horizontal sliding by transversal driving mechanism, and described transversal driving mechanism is fixed in described gripper shoe.
6. according to self-centering type knurling mechanism claimed in claim 5, it is characterized in that: described vertical driving mechanism comprises motor, be located at the screw mandrel on the output of this motor, the output of this screw mandrel is connected with described slide plate one, described transversal driving mechanism comprises the Rodless cylinder being fixed in described gripper shoe, and the output of this Rodless cylinder is connected with described slide plate two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467353.3U CN203418280U (en) | 2013-07-25 | 2013-07-25 | Self-centering type knurling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467353.3U CN203418280U (en) | 2013-07-25 | 2013-07-25 | Self-centering type knurling mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203418280U true CN203418280U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467353.3U Withdrawn - After Issue CN203418280U (en) | 2013-07-25 | 2013-07-25 | Self-centering type knurling mechanism |
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| CN (1) | CN203418280U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406712A (en) * | 2013-07-25 | 2013-11-27 | 宁波江宸自动化装备有限公司 | Self-centering knurling mechanism |
| CN104162763A (en) * | 2014-05-15 | 2014-11-26 | 安徽珩业车轮有限公司 | Wheel rim weld joint roller-flattening device |
| CN105710595A (en) * | 2016-04-11 | 2016-06-29 | 华纳圣龙（宁波）有限公司 | Knurl aligning device for shaft |
| CN108838865A (en) * | 2018-06-15 | 2018-11-20 | 芜湖七创工业设计有限公司 | Surface polishing, derusting instrument for building steel tube |
| CN109108571A (en) * | 2017-06-23 | 2019-01-01 | 宁波江丰电子材料股份有限公司 | Knurling device, annular knurl control device and method |
| CN111050988A (en) * | 2017-07-28 | 2020-04-21 | 钴领两合公司 | Rolling tool |
| CN112159889A (en) * | 2020-09-24 | 2021-01-01 | 温州市贝佳福自动化技术有限公司 | Shaft part surface strengthening treatment process |
| CN115106718A (en) * | 2022-08-11 | 2022-09-27 | 安徽飞祥机械制造有限公司 | Rolling machine tool for processing shaft parts |
-
2013
- 2013-07-25 CN CN201320467353.3U patent/CN203418280U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406712A (en) * | 2013-07-25 | 2013-11-27 | 宁波江宸自动化装备有限公司 | Self-centering knurling mechanism |
| CN103406712B (en) * | 2013-07-25 | 2016-05-11 | 宁波江宸智能装备股份有限公司 | A kind of self-centering type knurling mechanism |
| CN104162763A (en) * | 2014-05-15 | 2014-11-26 | 安徽珩业车轮有限公司 | Wheel rim weld joint roller-flattening device |
| CN105710595A (en) * | 2016-04-11 | 2016-06-29 | 华纳圣龙（宁波）有限公司 | Knurl aligning device for shaft |
| CN109108571A (en) * | 2017-06-23 | 2019-01-01 | 宁波江丰电子材料股份有限公司 | Knurling device, annular knurl control device and method |
| CN111050988A (en) * | 2017-07-28 | 2020-04-21 | 钴领两合公司 | Rolling tool |
| CN111050988B (en) * | 2017-07-28 | 2022-08-16 | 钴领两合公司 | Rolling tool |
| CN108838865A (en) * | 2018-06-15 | 2018-11-20 | 芜湖七创工业设计有限公司 | Surface polishing, derusting instrument for building steel tube |
| CN108838865B (en) * | 2018-06-15 | 2020-08-21 | 赣州市桐鑫金属制品有限公司 | Surface polishing and rust removing apparatus for building steel pipe |
| CN112159889A (en) * | 2020-09-24 | 2021-01-01 | 温州市贝佳福自动化技术有限公司 | Shaft part surface strengthening treatment process |
| CN115106718A (en) * | 2022-08-11 | 2022-09-27 | 安徽飞祥机械制造有限公司 | Rolling machine tool for processing shaft parts |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315312, Zhejiang, Ningbo province Cixi emerging industrial clusters, Han Han street, Xinxing Road, No. 2 Patentee after: NINGBO JIANG CHEN AUTOMATION EQUIPMENT CO., LTD. Address before: 315301 Jintang village, high street village, Han Han street, Zhejiang City, Cixi province (105 room, Chengbei water supply office building, Cixi water supply company) Patentee before: Ningbo Jiangchen Automation Eqpt Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140205 Effective date of abandoning: 20160511 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |