CN202411984U - Elastic grinding end surface positioning device - Google Patents
Elastic grinding end surface positioning device Download PDFInfo
- Publication number
- CN202411984U CN202411984U CN2011205314191U CN201120531419U CN202411984U CN 202411984 U CN202411984 U CN 202411984U CN 2011205314191 U CN2011205314191 U CN 2011205314191U CN 201120531419 U CN201120531419 U CN 201120531419U CN 202411984 U CN202411984 U CN 202411984U
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- China
- Prior art keywords
- spindle drum
- grinding machine
- spindle
- connection block
- main shaft
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- Withdrawn - After Issue
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Abstract
The utility model discloses an elastic grinding end surface positioning device. A grinding machine flange is coaxially and rotatably connected outside a grinding machine main shaft; a first pull rod is fixedly arranged on the flange; a main shaft base is fixedly connected to the inside of an inner hole of the grinding machine main shaft; an adjusting plug screw is connected to an inner cavity at the back end of the main shaft base by a thread; the inner cavity at the front end of the main shaft base is coaxially connected with a sliding tip; and a pressure spring is arranged between the sliding tip and the end surface of the adjusting plug screw. A connecting base is sleeved on the front end of the main shaft base, and axial and radial positioning structures are arranged between the connecting base and the main shaft base; the end surface of the front end of the connecting base is connected with an end cover in a detachable mode; the end cover is provided with a second pull rod parallel to the first pull rod; and a straight hole through which the front end of the sliding tip can stretch out is arranged at the centre of the end cover. According to the elastic grinding end surface positioning device, a central hole of the shaft is used as a radial reference, and one end surface of the gear is taken as the length machining reference, so that the aim of directly guaranteeing axial length is fulfilled.
Description
Technical field:
The utility model relates to a kind of elasticity and leans on the face grinding positioner.
Background technology:
Oil pump tooth axis products is very high, as shown in Figure 1 to gear fitting tight effect requirements, and driving gear shaft A, driven gear shaft B are the exigent parts of a pair of tooth portion's axial length dimension, and the axial length error of the C of tooth portion is generally at 0.01mm.At present the correct grinding of two end faces of gear is processed on cylindrical grinder, and leaning on roll flute both sides end face all is benchmark with the centre bore, and axial length is criticized difference and can't be stablized and guarantee in 0.01mm.
Referring to Fig. 2, existing two sides by the characteristics of mill processing mode are:
Because there is error by the preceding thickness of mill and first end face of gear in every converted products to central hole location, the accumulation of these two errors causes by behind end face of mill, and the gear axial length dimension still can't guarantee unanimity.
Therefore, must need take off workpiece after by first end face of mill, measure once, that confirms second end face leans on the mill processing capacity, and duplicate measurements is processed, and is qualified up to the gear axial length.Every product all needs could guarantee axial length through twice processing of twice measurement at least.
Summary of the invention:
For overcoming the defective of prior art, the purpose of the utility model is to provide a kind of elasticity to lean on the face grinding positioner, and promptly adopting the centre bore of axle is radial reference, and an end face of gear is the length machining benchmark, reaches the purpose of direct assurance axial length.
The utility model technical solution problem adopts following technical scheme:
Elasticity is leaned on the face grinding positioner, it is characterized in that comprising:
The spindle drum of one tubular, the rear end of said spindle drum are fixed in the grinding machine spindle endoporus, and front end extends outside the grinding machine spindle;
Coaxial rotation is connected with the grinding machine flange outside said grinding machine spindle, is fixedly connected with first driving lever with said spindle drum parallel axes on the said grinding machine flange;
The adjusting plug screw that has been threaded in the rear end inner chamber of said spindle drum is coaxially connected with in the front end inner chamber and slides toply, and the inner chamber matched in clearance of the top and said spindle drum of said slip is provided with stage clip between the top end face of said adjusting plug screw and said slip; Said spindle drum is provided with radial screw bore, and is provided with first screw that matees with said screwed hole, and the top outer wall of said slip is provided with kidney slot, and the position of said kidney slot is corresponding with the position of said screwed hole;
The front end sleeve of said spindle drum is connected to Connection Block, is provided with axial, radial location structure between said Connection Block and the said spindle drum;
Second screw that radially has been threaded in the rear end of said Connection Block, said second screw forms cross with said first driving lever and contacts; The front end end face reassembling type of Connection Block is connected with end cap, and end cap is provided with second driving lever parallel with said first driving lever, and is provided with the straight hole that supplies the top front end of said slip to stretch out at said end cap center.
The design feature of the utility model also is:
The rear end thread in inner cavity of said Connection Block is connected with the adjustment nut, and the endoporus of said adjustment nut cooperates with said spindle drum circumferential play; Between said adjustment nut to said end cap; Have three cavitys between the inner chamber of said Connection Block and the outer wall of said spindle drum; Be provided with angular contact ball bearing separately in two cavitys adjacent with said adjustment nut; Be provided with the radial short cylindrical roller bearing that is socketed on the spindle drum in the cavity adjacent, and on the spindle drum outer wall between said radial short cylindrical roller bearing and the said end cap, be socketed with shaft block ring with said end cap.
Compared with present technology, the beneficial effect of the utility model is embodied in:
1, the utility model relates to the positioning and driving mechanism of axial length control in the outer mill process equipment, and the processing that improves tooth axis products axial length guarantees ability.Between the inner chamber of Connection Block and spindle drum periphery, be provided with three cavitys successively; Contact adjustment nut adjustment bearing end play, the axial float of control connection seat with the step both ends of the surface of spindle drum through two angular contact ball bearings; The spindle drum front end sleeve is connected to radial short cylindrical roller bearing; Its inner ring and spindle drum cylindrical secure fit, the radial clearance of outer ring and Connection Block fiting constraint Connection Block realizes the rotation of Connection Block.During work; Connection Block contacts driven rotary through second screw with first driving lever on the grinding machine flange; And will rotatablely move and pass to workpiece to be machined through second driving lever that is connected on the end cap, realize the relative rotary motion of workpiece and emery wheel, the end cap endoporus has cannelure; Sealing ring is housed, prevents that emery wheel ash access to plant is inner.
2, the utility model is simple in structure, and is easy to make, economical and practical, is beneficial to popularization.
Description of drawings:
Fig. 1 is the structural representation of gear oil pump.
Fig. 2 is the structural representation of existing gear face by the mill positioner.
Fig. 3 is the structural representation of the utility model.
Label among the figure: 1 spindle drum, 2 grinding machine spindles, 3 grinding machine flanges, 4 first driving levers, 5 regulate plug screw; 6 slips are top, 7 stage clips, 8 first screws, 9 second screws, 10 end caps; 11 second driving levers, 12 adjustment nuts, 13 angular contact ball bearings, 14 radial short cylindrical roller bearings, 15 spindle tops; 16 shaft block rings, 17 driving levers, 18 tailstock centers, 19 part chucks, 20 Connection Blocks.
Below pass through the specific embodiment, and combine accompanying drawing that the utility model is described further.
The specific embodiment:
Embodiment: referring to Fig. 3, the elasticity of present embodiment is leaned on the face grinding positioner, is applicable to that the processing that improves product axle class axial length guarantees ability, and this device possesses:
The spindle drum 1 of one tubular, its rear end are fixed in the endoporus of grinding machine spindle 2, and front end extends outside the grinding machine spindle; Coaxial rotation is connected with grinding machine flange 3 outside grinding machine spindle 2, is fixedly connected with first driving lever, 4, the first driving levers with spindle drum 1 parallel axes on the grinding machine flange 3 and is used to stir Connection Block 20 and rotates.
In the inner chamber of the rear end of spindle drum 1, be threaded and regulated plug screw 5; Be coaxially connected with in the front end inner chamber and slide top 6; Slide top 6 with the inner chamber matched in clearance of spindle drum 1, in the spindle drum endoporus of regulating between the end face of plug screw 5 and slip top 6, be provided with stage clip 7; Spindle drum 1 is provided with radial screw bore, and is provided with first screw 8 with this screwed hole coupling, and top 6 the outer wall of sliding is provided with kidney slot, and the position of kidney slot is corresponding with the position of screwed hole; Stage clip 7 confession slips are top axially to be free to slide in the certain distance.First screw 8 can be with the top axial location of sliding with kidney slot.
Front end sleeve at spindle drum 1 is connected to Connection Block 20, is provided with axial, radial location structure between Connection Block 20 and the spindle drum 1; Second screw, 9, the second screws 9 that radially have been threaded in the rear end of Connection Block form cross with first driving lever 4 and contact, and when first driving lever 4 rotates with grinding machine flange 3, drive Connection Block 20 and rotate.The front end end face of Connection Block 20 end cap 10 that has been removably connected; End cap 10 is provided with second driving lever 11 parallel with first driving lever 4; Second driving lever drives processed axle product and Connection Block and rotates synchronously; And do relative rotary motion with emery wheel, be provided with the straight hole that top 6 front ends that supply to slide stretch out at end cap 10 centers.
Axial, radial location structure between Connection Block 20 and the spindle drum 1 are specially: thread in inner cavity is connected with adjustment nut 12 in the rear end of Connection Block 20, and the endoporus of adjustment nut cooperates with the spindle drum circumferential play; Between self-adjusting nut 12 to the end cap 10; Have three cavitys between the outer wall of the inner chamber of Connection Block 20 and spindle drum 1; Be provided with angular contact ball bearing 13 separately in two cavitys adjacent with the adjustment nut; Be provided with the radial short cylindrical roller bearing 14 that is socketed on the spindle drum in the cavity adjacent, and on the spindle drum outer wall between radial short cylindrical roller bearing 14 and the end cap 10, be socketed with shaft block ring 16 with end cap 10.The end play of adjustment nut 12 adjustment angular contact ball bearings 13, the axial float of control connection seat, radial short cylindrical roller bearing 14 control radial clearances realize the rotation of Connection Block 20.
During use the two ends centre bore of processed gear shaft is aimed at tailstock center 18 respectively and slided top 6; Guarantee the centre bore radial reference; Make in the endoporus of the top 6 withdrawal spindle drums 1 that slide through adjusting plug screw 5, stage clip 7 then; This moment, the end face of processed gear contacted the location with the front end small end face of end cap 10, and with the revolution and the moving range of first screw, 8 limit slippage top 6.The top 6 adjusting axial locations that slide are contacted with the centre bore that is added gear shaft; Merging realization Double Tops point with the tailstock center 18 of cylindrical grinder contacts; The free degree to five directions of workpiece retrains, and this moment, the end standard of processed gear shaft was the tooth end surface of gear shaft, rather than the centre bore of gear shaft; Avoided improving product working (machining) efficiency and qualification rate because of centre bore causes Grinding Error to the error that the tooth end surface exists.
Claims (2)
1. elasticity is leaned on the face grinding positioner, it is characterized in that comprising:
The spindle drum of one tubular (1), the rear end of said spindle drum (1) are fixed in grinding machine spindle (2) endoporus, and front end extends outside the grinding machine spindle;
Coaxial rotation is connected with grinding machine flange (3) outside said grinding machine spindle (2), is fixedly connected with first driving lever (4) with said spindle drum (1) parallel axes on the said grinding machine flange (3);
Adjusting plug screw (5) has been threaded in the rear end inner chamber of said spindle drum (1); Be coaxially connected with slide top (6) in the front end inner chamber; The inner chamber matched in clearance of said slip top (6) and said spindle drum (1) is provided with stage clip (7) between the end face of said adjusting plug screw (5) and said slip top (6); Said spindle drum (1) is provided with radial screw bore, and is provided with first screw (8) that matees with said screwed hole, and the outer wall of said slip top (6) is provided with kidney slot, and the position of said kidney slot is corresponding with the position of said screwed hole;
The front end sleeve of said spindle drum (1) is connected to Connection Block (20), is provided with axial, radial location structure between said Connection Block (20) and the said spindle drum (1);
Second screw (9) that radially has been threaded in the rear end of said Connection Block, said second screw (9) forms cross with said first driving lever (4) and contacts; The front end end face reassembling type of Connection Block (20) is connected with end cap (10), and end cap (10) is provided with second driving lever (11) parallel with said first driving lever (4), and is provided with the straight hole that supplies said slip top (6) front end to stretch out at said end cap (10) center.
2. elasticity according to claim 1 is leaned on the face grinding positioner, it is characterized in that, the rear end thread in inner cavity of said Connection Block (20) is connected with adjustment nut (12), and the endoporus of said adjustment nut cooperates with said spindle drum circumferential play; Between said adjustment nut (12) to said end cap (10); Have three cavitys between the outer wall of the inner chamber of said Connection Block (20) and said spindle drum (1); Be provided with angular contact ball bearing (13) separately in two cavitys adjacent with said adjustment nut; Be provided with the radial short cylindrical roller bearing (14) that is socketed on the spindle drum in the cavity adjacent, and on the spindle drum outer wall between said radial short cylindrical roller bearing (14) and the said end cap (10), be socketed with shaft block ring (16) with said end cap (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205314191U CN202411984U (en) | 2011-12-19 | 2011-12-19 | Elastic grinding end surface positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205314191U CN202411984U (en) | 2011-12-19 | 2011-12-19 | Elastic grinding end surface positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202411984U true CN202411984U (en) | 2012-09-05 |
Family
ID=46736777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205314191U Withdrawn - After Issue CN202411984U (en) | 2011-12-19 | 2011-12-19 | Elastic grinding end surface positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202411984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513893A (en) * | 2011-12-19 | 2012-06-27 | 六安江淮永达机械制造有限公司 | Elastic multi-model grinding end surface positioning device |
-
2011
- 2011-12-19 CN CN2011205314191U patent/CN202411984U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513893A (en) * | 2011-12-19 | 2012-06-27 | 六安江淮永达机械制造有限公司 | Elastic multi-model grinding end surface positioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20140709 |
|
| RGAV | Abandon patent right to avoid regrant |