CN104057392A - Coaxial double-rotary driving tip mechanism - Google Patents
Coaxial double-rotary driving tip mechanism Download PDFInfo
- Publication number
- CN104057392A CN104057392A CN201410255911.9A CN201410255911A CN104057392A CN 104057392 A CN104057392 A CN 104057392A CN 201410255911 A CN201410255911 A CN 201410255911A CN 104057392 A CN104057392 A CN 104057392A
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- Prior art keywords
- push rod
- front push
- head end
- shaft
- face
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
Abstract
The invention relates to a coaxial double-rotary driving tip mechanism in the field of bearing-roller grinding devices. The coaxial double-rotation driving tip mechanism comprises a double-tip seat supporting plate, a front rotary driving tip mechanism and a rear rotary driving tip mechanism, wherein the double-tip seat supporting plate is fixedly arranged at the corresponding upper part surface of a centerless grinding machine; one side of the upper part surface of the double-tip seat supporting plate is provided with the front rotary driving tip mechanism, and the other side of the upper part surface of the double-tip seat supporting plate is provided with the rear rotary driving tip mechanism. The coaxial double-rotary driving tip mechanism has the advantage that the grinding requirement for the excircle, the end surface and the logarithmic curve of the cylindrical roller of a bearing can be met under the condition of once installation.
Description
[technical field]
The present invention relates to bearing roller grinding attachment field, the coaxial double back especially relating in a kind of equipment that is applied to grinding bearing roller turns driving tip mechanism.
[background technology]
Known, cylindrical roller in existing bearing is conventionally all selected on the centerless grinder being made up of abrasive grinding wheel, adjustment guide wheel and work support in the time of grinding, and adopt centerless grinding method to implement processing, complete the grinding work of roller by the abrasive grinding wheel of High Rotation Speed, by the rotation to control roller compared with the homodromal adjustment guide wheel of jogging speed, and drive the workpiece being supported by work support to rotate and do rotary feed, during due to centerless grinder through feed grinding, can realize workpiece axial feed by the small skew angle of adjusting guide wheel axis and axis of workpiece, therefore, centerless grinder is suitable for batch grinding cylinder shape workpiece, minor axis and sleeve workpiece without centre bore, but, during due to grinding, the center of cylindrical roller is uncertain, when the center of cylindrical roller higher than set theoretical center time, will cause cylindrical roller to beat in grinding, thereby cause the roller surface after grinding to occur the phenomenon such as chatter mark or prism shape, simultaneously, during also due to adjustment guide wheel circularity over tolerance, also can relatedly cause cylindrical roller to occur the problems such as circularity over tolerance, it is the cylindrical that existing process equipment cannot meet grinding bearing cylindrical roller under once mounting condition simultaneously, the requirement of end face and logarithmic curve, therefore, in the time of grinding cylinder roller class workpiece, the factor that is difficult for overcoming in these above-mentioned processing just becomes the one of the main reasons that reduces roller end product quality, in addition, existing technique is in the time of machining high-precision cylindrical roller, limit by process equipment, its common employing is first refined, super grinding operation, and then sorting grouping chooses the processing method of same parameter roller, but, existingly also still can implement processing for the equipment of implementing this process to the roller of GB II class precision, but for all 0 grade in μ m and I level cylindrical rollers of accuracy detection index, existing equipment is just difficult to effectively ensure its crudy.
[summary of the invention]
In order to overcome the deficiency in background technology, the invention discloses the coaxial double back that a kind of cylindrical, end face and logarithmic curve that can meet grinding bearing cylindrical roller under once mounting condition require and turn driving tip mechanism.
For achieving the above object, the present invention adopts following technical scheme:
A kind of coaxial double back turns driving tip mechanism, and described mechanism comprises Double Tops point seat supports plate and front revolution drives tip mechanism and rear revolution to drive tip mechanism; Described Double Tops point seat supports plate is fixedly mounted on corresponding centerless grinder upper side, before upper side one side of Double Tops point seat supports plate is provided with, revolution drives tip mechanism, and after the upper side opposite side of Double Tops point seat supports plate is provided with, revolution drives tip mechanism;
Described front tip mechanism comprises front push rod, rollback stage clip, front push rod headstock lid, front push rod headstock handle, front push rod V groove gyroaxis, front push shaft, rear push shaft, needle roller cylinder bearing, thrust bearing, front live centre seat, sinciput shaft bar and front wheel driving oil cylinder; Described front live centre seat is hollow structure, the tail end of front live centre seat is fixed with front wheel driving oil cylinder, the piston rod end of front wheel driving oil cylinder is that card slot type is connected with the tail end of sinciput shaft bar, the head end correspondence of sinciput shaft bar is positioned at the tail end position of front push rod V groove gyroaxis axle body mesopore, and this front push rod V groove gyroaxis is supported and fixed in front live centre seat by three angular contact ball bearings; The head end end face middle part of described sinciput shaft bar is provided with depression, and is provided with rear push shaft in depression; The bottom of described rear push shaft is provided with the thrust bearing of corresponding depression inner bottom surface, and the outer wall of rear push shaft is provided with the needle roller cylinder bearing of corresponding depression inwall, and the head end of rear push shaft and the tail end of front push shaft closely contact;
The head end end face of described front push rod V groove gyroaxis is fixedly connected with front push rod headstock handle, the corresponding prolongation that coincide in tail end end face middle part of front push rod headstock handle is stretched in the mesopore of front push rod V groove gyroaxis, and not with the head end end contact of sinciput shaft bar, the head end end face correspondence of front push rod headstock handle is connected with the front push rod headstock lid that is fixed on front live centre seat head end middle part, the handle body middle part of front push rod headstock handle is provided with the corresponding mesopore that front push shaft is installed, and the head end end face of front push rod headstock handle middle part is provided with the depression that diameter is greater than its handle body mesopore; The head end correspondence of described front push shaft is positioned at the depression of front push rod headstock button end end face, and this end end face is made as spherical; The head end end face center of described front push rod headstock lid is provided with the front live centre of evagination, the lid body middle part of front push rod headstock lid is at least provided with three even interior stepped holes around its central shaft, the head end one side orifice diameter of this interior stepped hole is less than the orifice diameter of its tail end one side, and in each interior stepped hole, is all mounted with a front push rod; Described front push rod tail end is positioned at the head end sunken end face of front push rod headstock handle, and the head end spherical of corresponding and front push shaft is conflicted, the shaft of front push rod is conflicted by rollback stage clip correspondence and the step surface in interior stepped hole hole, and the head end correspondence of front push rod is positioned at outside the aperture of stepped hole head end one side;
Described back centre mechanism comprises rear live centre, rear extension sleeve, rear live centre seat, oil cylinder connecting rod and rear drive oil cylinder; Described rear live centre is corresponding relative and coaxial with front live centre head end, the tail end of rear live centre is fixedly connected with the head end that is located at the rear extension sleeve in rear live centre seat seat, and the tail end of rear extension sleeve is connected with the piston rod end of rear drive oil cylinder by oil cylinder connecting rod.
Further, described front push rod tail end end face is made as spherical.
Further, described front push rod V groove gyroaxis connects corresponding servomotor by V-type V-belt.
Owing to adopting technical scheme as above, the present invention has following beneficial effect:
Coaxial double back of the present invention turns driving tip mechanism and has adopted two live centres that are positioned at concentric jointly to clamp cylindrical roller, and an end side surface of cylindrical roller can be pressed between two live centres under the pressure of front push rod, thereby realize by corresponding grinding machine the fine grinding of cylindrical, end face and logarithmic curve and the requirement of super grinding that under once mounting condition, meet grinding bearing cylindrical roller; In addition, described tip mechanism is being assembled to X in corresponding dedicated numerical control roller grinding machine to after on, Y-direction ball-screw by corresponding, can by the X that driven by two servomotors and decelerator to, Y-direction ballscrew shaft under the accurate guiding of line slideway of direction separately, form X to, Y-direction precision movement platform.
[brief description of the drawings]
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is described front top structural scheme of mechanism.
In figure: 00, front push rod; 01, rollback stage clip; 02, front push rod headstock lid; 03, front push rod headstock handle; 04, front push rod V groove gyroaxis; 05, front push shaft; 06, rear apical axis; 07, needle roller cylinder bearing; 08, thrust bearing; 09, front live centre seat; 10, sinciput shaft bar; 11, front wheel driving oil cylinder; 12, rear live centre; 13, rear extension sleeve; 14, rear live centre seat; 15, oil cylinder connecting rod; 16, rear drive oil cylinder; 17, Double Tops point seat supports plate; 18, front live centre.
[detailed description of the invention]
Can explain in more detail the present invention by the following examples, disclose object of the present invention and be intended to protect all changes and improvements in the scope of the invention, the present invention is not limited to the following examples:
By reference to the accompanying drawings 1～2, described coaxial double back turns and drives tip mechanism to comprise Double Tops point seat supports plate 17 and front revolution drives tip mechanism and rear revolution to drive tip mechanism; Described Double Tops point seat supports plate 17 is fixedly mounted on corresponding centerless grinder upper side, before upper side one side of Double Tops point seat supports plate 17 is provided with, revolution drives tip mechanism, after the upper side opposite side of Double Tops point seat supports plate 17 is provided with, revolution drives tip mechanism, utilizes former and later two revolutions to drive the top object that jointly clamps bearing roller in tip mechanism thereby reach;
Described front tip mechanism comprises front push rod 00, rollback stage clip 01, front push rod headstock lid 02, front push rod headstock handle 03, front push rod V groove gyroaxis 04, front push shaft 05, rear push shaft 06, needle roller cylinder bearing 07, thrust bearing 08, front live centre seat 09, sinciput shaft bar 10 and front wheel driving oil cylinder 11; Described front live centre seat 09 is hollow structure, the tail end of front live centre seat 09 is fixed with front wheel driving oil cylinder 11, the piston rod end of front wheel driving oil cylinder 11 is that card slot type is connected with the tail end of sinciput shaft bar 10, the head end correspondence of sinciput shaft bar 10 is positioned at the tail end position of front push rod V groove gyroaxis 04 axle body mesopore, this front push rod V groove gyroaxis 04 is supported and fixed in front live centre seat 09 by three angular contact ball bearings, and front push rod V groove gyroaxis 04 can be driven by servomotor revolution through V-type V-belt; The head end end face middle part of described sinciput shaft bar 10 is provided with depression, is provided with rear push shaft 06, thereby can utilizes the action of front wheel driving oil cylinder 11 pistons to drive rear push shaft 06 to move along axis direction in this depression; The bottom of described rear push shaft 06 is provided with the thrust bearing 08 of corresponding depression inner bottom surface, the outer wall of rear push shaft 06 is provided with the needle roller cylinder bearing 07 of corresponding depression inwall, the tail end of the head end of rear push shaft 06 and front push shaft 05 closely contacts, thereby current push shaft 05 is when after drive, push shaft 06 turns round, can utilize the mating reaction of needle roller cylinder bearing 07 and thrust bearing 08 to avoid sinciput shaft bar 10 to rotate simultaneously, realize with this object that gyration in coaxial direction and rectilinear motion are kept apart;
The head end end face of described front push rod V groove gyroaxis 04 is fixedly connected with front push rod headstock handle 03, the corresponding prolongation that coincide in tail end end face middle part of front push rod headstock handle 03 is stretched in the mesopore of front push rod V groove gyroaxis 04, and not with the head end end contact of sinciput shaft bar 10, the head end end face correspondence of front push rod headstock handle 03 is connected with the front push rod headstock lid 02 that is fixed on front live centre seat 09 head end middle part, the handle body middle part of front push rod headstock handle 03 is provided with the corresponding mesopore that front push shaft 05 is installed, before, push rod V groove gyroaxis 04 push shaft 05 before when revolution can synchronously drive by front push rod headstock handle 03 rotates, the head end end face middle part of front push rod headstock handle 03 is provided with the depression that diameter is greater than its handle body mesopore, and the head end of front push shaft 05 is positioned at this depression with regard to correspondence, and this end end face of front push shaft 05 is made as spherical, thereby is convenient to and the corresponding conflict of tail end of front push rod 00,
The head end end face center of described front push rod headstock lid 02 is provided with the front live centre 18 of evagination, the lid body middle part of front push rod headstock lid 02 is at least provided with three even interior stepped holes around its central shaft, the head end one side orifice diameter of this interior stepped hole is less than the orifice diameter of its tail end one side, and in each interior stepped hole, be all mounted with a front push rod 00, the tail end of these front push rods 00 is all positioned at the head end sunken end face that is located at front push rod headstock handle 03, and the tail end end face of these front push rods 00 is all made as the corresponding spherical of conflicting of head end spherical of being convenient to front push shaft 05, simultaneously, the shaft of front push rod 00 is conflicted by rollback stage clip 01 correspondence and the step surface in interior stepped hole hole, the head end correspondence of front push rod 00 is positioned at outside the aperture of stepped hole head end one side, before, push rod 00 is being subject to front wheel driving oil cylinder 11, sinciput shaft bar 10, when active force that rear push shaft 06 and front push shaft 05 transmit, the head end of front push rod 00 can compactedly withstand on a side end face of cylindrical roller to be processed, thereby can reach the object that drives cylindrical roller to rotate by the revolution of front push shaft 05, in the time of the piston retraction of front wheel driving oil cylinder 11, front push rod 00 can set back with piston synchronous under the active force of rollback stage clip 01,
Described back centre mechanism comprises rear live centre 12, rear extension sleeve 13, rear live centre seat 14, oil cylinder connecting rod 15 and rear drive oil cylinder 16, described rear live centre 12 is corresponding relative and coaxial with front live centre 18 head ends, the tail end of rear live centre 12 is fixedly connected with the head end that is located at the rear extension sleeve 13 in 14 of rear live centre seats, the tail end of rear extension sleeve 13 is connected with the piston rod end of rear drive oil cylinder 16 by oil cylinder connecting rod 15, can utilize the piston driving oil cylinder connecting rod 15 of rear drive oil cylinder 16, rear extension sleeve 13 and rear live centre 12 synchronization actions, and with under the cooperation of front live centre mechanism, front live centre 18 and rear live centre 12 correspondences are withstood on to the end face center, both sides of cylindrical roller to be processed, thereby reach the object of stable clamping cylindrical roller.
Implementing coaxial double back of the present invention turns while driving tip mechanism, first by stable cylindrical roller to be processed being clamped between the live centre of front and back, make again should closely the conflict corresponding side end face of cylindrical roller of sinciput pole pair, and then drive front push shaft 05 and front push rod 00 to rotate by front push rod V groove gyroaxis 04, and and then drive cylindrical roller rotate, this has finally realized the fine grinding of cylindrical, end face and logarithmic curve and the requirement of super grinding that under once mounting condition, meet grinding cylinder roller.
Part not in the detailed description of the invention is prior art, therefore the present invention is not described in detail.
Claims (3)
1. coaxial double back turns a driving tip mechanism, it is characterized in that: described mechanism comprises Double Tops point seat supports plates (17) and front revolution drives tip mechanism and rear revolution to drive tip mechanism; Described Double Tops point seat supports plates (17) are fixedly mounted on corresponding centerless grinder upper side, in upper side one side of Double Tops point seat supports plates (17), front revolution is installed and drives tip mechanism, at the upper side opposite side of Double Tops point seat supports plates (17), rear revolution is installed and drives tip mechanism;
Described front tip mechanism comprises front push rod (00), rollback stage clip (01), front push rod headstock lid (02), front push rod headstock handle (03), front push rod V groove gyroaxis (04), front push shaft (05), rear push shaft (06), needle roller cylinder bearing (07), thrust bearing (08), front live centre seat (09), sinciput shaft bar (10) and front wheel driving oil cylinder (11); Described front live centre seat (09) is hollow structure, the tail end of front live centre seat (09) is fixed with front wheel driving oil cylinder (11), the piston rod end of front wheel driving oil cylinder (11) is that card slot type is connected with the tail end of sinciput shaft bar (10), the head end correspondence of sinciput shaft bar (10) is positioned at the tail end position of front push rod V groove gyroaxis (04) axle body mesopore, and this front push rod V groove gyroaxis (04) is supported and fixed in front live centre seat (09) by three angular contact ball bearings; The head end end face middle part of described sinciput shaft bar (10) is provided with depression, and is provided with rear push shaft (06) in depression; The bottom of described rear push shaft (06) is provided with the thrust bearing (08) of corresponding depression inner bottom surface, the outer wall of rear push shaft (06) is provided with the needle roller cylinder bearing (07) of corresponding depression inwall, and the tail end of the head end of rear push shaft (06) and front push shaft (05) closely contacts;
The head end end face of described front push rod V groove gyroaxis (04) is fixedly connected with front push rod headstock handle (03), the corresponding prolongation that coincide in tail end end face middle part of front push rod headstock handle (03) is stretched in the mesopore of front push rod V groove gyroaxis (04), and not with the head end end contact of sinciput shaft bar (10), the head end end face correspondence of front push rod headstock handle (03) is connected with the front push rod headstock lid (02) that is fixed on front live centre seat (09) head end middle part, the handle body middle part of front push rod headstock handle (03) is provided with the corresponding mesopore that front push shaft (05) is installed, and the head end end face of front push rod headstock handle (03) middle part is provided with the depression that diameter is greater than its handle body mesopore, the head end correspondence of described front push shaft (05) is positioned at the depression of front push rod headstock handle (03) head end end face, and this end end face is made as spherical, the head end end face center of described front push rod headstock lid (02) is provided with the front live centre (18) of evagination, the lid body middle part of front push rod headstock lid (02) is at least provided with three even interior stepped holes around its central shaft, the head end one side orifice diameter of this interior stepped hole is less than the orifice diameter of its tail end one side, and in each interior stepped hole, is all mounted with a front push rod (00), described front push rod (00) tail end is positioned at the head end sunken end face of front push rod headstock handle (03), and the head end spherical of corresponding and front push shaft (05) is conflicted, the shaft of front push rod (00) is conflicted by rollback stage clip (01) correspondence and the step surface in interior stepped hole hole, and the head end correspondence of front push rod (00) is positioned at outside the aperture of stepped hole head end one side,
Described back centre mechanism comprises rear live centre (12), rear extension sleeve (13), rear live centre seat (14), oil cylinder connecting rod (15) and rear drive oil cylinder (16); Described rear live centre (12) is corresponding relative and coaxial with front live centre (18) head end, the tail end of rear live centre (12) is fixedly connected with the head end that is located at the rear extension sleeve (13) in rear live centre seat (14) seat, and the tail end of rear extension sleeve (13) is connected with the piston rod end of rear drive oil cylinder (16) by oil cylinder connecting rod (15).
2. coaxial double back according to claim 1 turns driving tip mechanism, it is characterized in that: described front push rod (00) tail end end face is made as spherical.
3. coaxial double back according to claim 1 turns driving tip mechanism, it is characterized in that: described front push rod V groove gyroaxis (04) connects corresponding servomotor by V-type V-belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255911.9A CN104057392B (en) | 2014-06-11 | 2014-06-11 | A kind of coaxial dual AC power drives tip mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255911.9A CN104057392B (en) | 2014-06-11 | 2014-06-11 | A kind of coaxial dual AC power drives tip mechanism |
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| Publication Number | Publication Date |
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| CN104057392A true CN104057392A (en) | 2014-09-24 |
| CN104057392B CN104057392B (en) | 2016-08-17 |
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| CN201410255911.9A Active CN104057392B (en) | 2014-06-11 | 2014-06-11 | A kind of coaxial dual AC power drives tip mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340754A (en) * | 2014-10-22 | 2015-02-11 | 苏州宝兴电线电缆有限公司 | Driven tip cone device for wire-rewinding device |
| CN107553321A (en) * | 2017-08-31 | 2018-01-09 | 广州市昊志机电股份有限公司 | A kind of grinding machine head stock frame structure |
| CN109254008A (en) * | 2018-11-13 | 2019-01-22 | 苏州斯莱克精密设备股份有限公司 | Cylindrical product outside wall surface detection device |
| CN109571241A (en) * | 2017-09-29 | 2019-04-05 | 毅德机械股份有限公司 | It holds with Double ejection pin top with dynamic grinding mechanism |
| CN111993235A (en) * | 2020-09-07 | 2020-11-27 | 湖州超宇木工工具有限公司 | Wooden pole burnishing machine |
| CN114147673A (en) * | 2021-12-30 | 2022-03-08 | 杭州诚德发电设备有限公司 | Axial stabilizing device for main shaft of shaft extension tubular unit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340754A (en) * | 2014-10-22 | 2015-02-11 | 苏州宝兴电线电缆有限公司 | Driven tip cone device for wire-rewinding device |
| CN107553321A (en) * | 2017-08-31 | 2018-01-09 | 广州市昊志机电股份有限公司 | A kind of grinding machine head stock frame structure |
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| CN109571241A (en) * | 2017-09-29 | 2019-04-05 | 毅德机械股份有限公司 | It holds with Double ejection pin top with dynamic grinding mechanism |
| CN109254008A (en) * | 2018-11-13 | 2019-01-22 | 苏州斯莱克精密设备股份有限公司 | Cylindrical product outside wall surface detection device |
| CN109254008B (en) * | 2018-11-13 | 2024-01-23 | 苏州斯莱克精密设备股份有限公司 | Outer wall surface detection device for cylindrical product |
| CN111993235A (en) * | 2020-09-07 | 2020-11-27 | 湖州超宇木工工具有限公司 | Wooden pole burnishing machine |
| CN114147673A (en) * | 2021-12-30 | 2022-03-08 | 杭州诚德发电设备有限公司 | Axial stabilizing device for main shaft of shaft extension tubular unit |
| CN114147673B (en) * | 2021-12-30 | 2022-06-14 | 杭州诚德发电设备有限公司 | Axial stabilizing device for main shaft of shaft extension tubular unit |
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| CN104057392B (en) | 2016-08-17 |
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