CN203304910U - Novel positioning and clamping mechanism for work piece - Google Patents
Novel positioning and clamping mechanism for work piece Download PDFInfo
- Publication number
- CN203304910U CN203304910U CN2011201122652U CN201120112265U CN203304910U CN 203304910 U CN203304910 U CN 203304910U CN 2011201122652 U CN2011201122652 U CN 2011201122652U CN 201120112265 U CN201120112265 U CN 201120112265U CN 203304910 U CN203304910 U CN 203304910U
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- China
- Prior art keywords
- mandrel
- slide block
- connecting rod
- guide
- base
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- Expired - Fee Related
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Abstract
The utility model discloses a novel positioning and clamping mechanism for a work piece. A center of a pedestal is provided with a mandrel; the mandrel is perpendicular to the upper and the lower surfaces of the pedestal; the upper surface of the pedestal is provided with a plurality of guide-rail grooves spreading from the pedestal center to the around; slide blocks are arranged in the plurality of guide-rail grooves; a connecting rod sleeve is mounted on the mandrel; a periphery of an excircle of the connecting sleeve is provided with relative X-shaped lugs; one end of the connecting rod is hinged with the corresponding slide via a pin roll; the other end of the connecting rod is hinged with the X-shaped lug arranged on the connecting sleeve via a pin roll; the ends of the connecting rod are hinged with the slide block via the pin rolls; the slide block can only move in the fixed guide-rail groove; a thread hole is arranged in the middle part of the mandrel; a sleeve is coated on the connecting sleeve; and a reinforcing bolt is screwed into the thread hole on the middle part of the mandrel from an interstitial hole of the sleeve, so that the connecting sleeve is pressed tightly, thereby achieving tight supporting to an inner circle by the slide block.
Description
Technical field
The utility model relates to a kind of workpiece positioning clamping mechanism, particularly a kind of novel workpiece positioning clamping mechanism.Belong to lathe, lathe field of mechanical technique.
Background technology
At present in the machining of metal, in order to cut the cylindrical of annular workpieces, above the lathe that must be in advance annular workpieces to be processed is positioned to use.In current all localization methods, mainly contain: the one, the method location of adopting universal chuck; The 2nd, adopt Bolt to position to add the method location of manual synchronizing; The 3rd, the method location of adopting collet; The 4th, the method location of adopting mandrel.
In above-mentioned localization method, although adopt the method location of universal chuck to have the advantages that precision is high, the general investment cost of chuck is higher, and for large diameter annular workpieces, general chuck without corresponding large specification; Adopt bolt directly to locate the method that adds manual synchronizing, although method is fairly simple, exist labour intensity higher, productivity ratio is low, simultaneously, due to sometimes human negligence, workpiece often occurs and do not clamp, press from both sides inclined to one side situation and exist, caused corresponding mass defect.Adopt in the localization method of collet, collet is more complicated structurally generally, and simultaneously due to structural reason, chuck can't be done greatlyr, so can not adapt to the processing needs of large diameter circle; Adopt the method for mandrel location, generally be applicable to highly highlyer, diameter, than circlet shape workpiece, in addition, in above-mentioned all localization methods, is gone back ubiquity and clamping force defect on the low side.
Summary of the invention
The purpose of this utility model is: a kind of novel workpiece positioning clamping mechanism is provided, and this mechanism not only has versatility, and positioning precision is high, and labor strength is low, and the characteristics that production efficiency is high also have the characteristics that clamping force is larger simultaneously.
The technical scheme that the above-mentioned purpose that realizes the utility model adopts is: a kind of novel workpiece positioning clamping mechanism, it is comprised of slide block, bearing pin, connecting rod, adapter sleeve, afterburning bolt, lining, mandrel and base.Mandrel is installed at the center of described base, the state that mandrel is vertical with the upper lower plane maintenance of base, on the upper plane of base, make some the guide-track grooves that the mind-set surrounding is distributed in base, slide block is arranged in guide-track groove, and have along the free degree of guide-track groove slip, installing connecting rods adapter sleeve on mandrel, the cylindrical surrounding of adapter sleeve is made corresponding fork-shaped ear, one end of connecting rod is hinged with corresponding slide block by bearing pin, and an other end is hinged by the fork-shaped ear above adapter sleeve with bearing pin, so when adapter sleeve when on mandrel, moving, the end of just corresponding drivening rod is inwardly shunk or is strutted to surrounding, its the action to umbrella pack up to decontrol similar, because the end at connecting rod is hinged with bearing pin and slide block, slide block can only move again in fixing guide-track groove, so the drive sliding block at connecting rod moves in or out with regard to the synchronous center along mandrel.Centre at mandrel is shaped with screwed hole, and the top mounting bush of adapter sleeve, in the screwed hole of afterburning bolt in the middle of being screwed into mandrel the interstitial hole of lining, reaches the effect that compresses adapter sleeve, thereby reaches the purpose that makes slide block stretching workpiece inner circle.
The utility model is achieved in that the upper plane at base, along the center radius direction, make the guide-track groove of right quantity, in the center of base, make step through-hole simultaneously, and the central axis that guarantees hole keeps vertical simultaneously with two planes up and down of base, in the centre bore of base and in guide-track groove, be respectively charged into mandrel and slide block, when assembling, should guarantee above mandrel to load onto adapter sleeve, lining, and in the neutral threaded hole of mandrel, be screwed into afterburning bolt simultaneously, with bearing pin, slide block and adapter sleeve are hinged together.Its operation principle is: mandrel is installed at the center at base, the state that mandrel is vertical with the upper lower plane maintenance of base, on the upper plane of base, make some the guide-track grooves that the mind-set surrounding is distributed in base, slide block is arranged in guide-track groove, and have along the free degree of guide-track groove slip, installing connecting rods adapter sleeve on mandrel, the cylindrical surrounding of adapter sleeve is made corresponding fork-shaped ear, one end of connecting rod is hinged with corresponding slide block by bearing pin, and an other end is hinged by the fork-shaped ear above adapter sleeve with bearing pin, so when adapter sleeve when on mandrel, moving, the end of just corresponding drivening rod is inwardly shunk or is strutted to surrounding, its the action to umbrella pack up to decontrol similar, because the end at connecting rod is hinged with bearing pin and slide block, slide block again can only be in the fixing interior motion of guide-track groove 9, so the drive sliding block at connecting rod moves in or out with regard to the synchronous center along mandrel.Centre at mandrel is shaped with screwed hole, and the top mounting bush of adapter sleeve, in the screwed hole of afterburning bolt in the middle of being screwed into mandrel the interstitial hole of lining, reaches the effect that compresses adapter sleeve, thereby reaches the purpose that makes slide block stretching workpiece inner circle.
Beneficial effect: what the utility model structurally adopted is a kind of spindle mechanism, concentric hinged with adapter sleeve of slide block and connecting rod, and slide block can only move in fixing guide-track groove, so whole mechanism is not only simple above structure, clamping force is large, and the centering of the location of workpiece is effective, simultaneously this kind mechanism not only the folding and unfolding radius of slide block self is larger, after changing corresponding connecting rod, can also further enlarge the folding and unfolding radius of slide block, so can adapt to the processing needs of all size diameter annulus.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing is schematic diagram of the present utility model.
Shown in figure: 1, slide block; 2, bearing pin; 3, connecting rod; 4, adapter sleeve; 5, afterburning bolt; 6, lining; 7, mandrel; 8, base; 9, guide-track groove; 10, workpiece; 11, fork-shaped ear.
The specific embodiment
Upper plane at base 8, along the center radius direction, make the guide-track groove 9 of right quantity, in the center of base 8, make step through-hole simultaneously, and the central axis that guarantees hole keeps vertical simultaneously with two planes up and down of base 8, in the centre bore of base 8 and in guide-track groove 9, be respectively charged into mandrel 7 and slide block 1, when assembling, should guarantee above mandrel 7 to load onto adapter sleeve 4, lining 6, and in the neutral threaded hole of mandrel 7, be screwed into afterburning bolt 5 simultaneously, with bearing pin 2, slide block 1 and adapter sleeve 4 are hinged together.Its operation principle is: mandrel 7 is installed at the center at base 8, the state that mandrel 7 is vertical with the upper lower plane maintenance of base 8, on the upper plane of base 8, make some the guide-track grooves that the mind-set surrounding is distributed in base 89, slide block 1 is arranged in guide-track groove 9, and have along the free degree of guide-track groove 9 slips, installing connecting rods adapter sleeve 4 on mandrel, the cylindrical surrounding of adapter sleeve 4 is made corresponding fork-shaped ear 11, one end of connecting rod 3 is hinged with corresponding slide block 1 by bearing pin 2, and an other end is hinged by the fork-shaped ear 11 above adapter sleeve 4 with bearing pin 2, so when adapter sleeve when on mandrel 7, moving, the end of just corresponding drivening rod 3 is inwardly shunk or is strutted to surrounding, its the action to umbrella pack up to decontrol similar, because the end at connecting rod 3 is hinged with bearing pin 2 and slide block 1, slide block 1 again can only be in the fixing interior motion of guide-track groove 9, so the drive sliding block at connecting rod 3 moves in or out with regard to the synchronous center along mandrel 7.Centre at mandrel 7 is shaped with screwed hole, and the top mounting bush 6 of adapter sleeve 4, in the screwed hole of afterburning bolt 5 in the middle of being screwed into mandrel 7 interstitial hole of lining 6, reaches the effect that compresses adapter sleeve 4, thereby reaches the purpose that makes slide block stretching workpiece inner circle.
Claims (1)
1. novel workpiece positioning clamping mechanism, it is characterized in that: on the upper plane of base (8), along the center radius direction, make the guide-track groove (9) of right quantity, in the center of base (8), make step through-hole simultaneously, and the central axis that guarantees hole keeps vertical simultaneously with two planes up and down of base (8), in the centre bore of base (8) and in guide-track groove (9), be respectively charged into mandrel (7) and slide block (1), when assembling, should guarantee above mandrel (7) to load onto adapter sleeve (4), lining (6), and the while is screwed into afterburning bolt (5) in the neutral threaded hole of mandrel (7), with bearing pin (2), slide block (1) and adapter sleeve (4) are hinged together, in the end of connecting rod (3), be provided with a bearing pin (2), the end of connecting rod (3) is hinged with bearing pin (2) and slide block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201122652U CN203304910U (en) | 2011-04-09 | 2011-04-09 | Novel positioning and clamping mechanism for work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201122652U CN203304910U (en) | 2011-04-09 | 2011-04-09 | Novel positioning and clamping mechanism for work piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203304910U true CN203304910U (en) | 2013-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201122652U Expired - Fee Related CN203304910U (en) | 2011-04-09 | 2011-04-09 | Novel positioning and clamping mechanism for work piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203304910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176046A (en) * | 2018-09-06 | 2019-01-11 | 重庆三峡学院 | Machining rotary table |
-
2011
- 2011-04-09 CN CN2011201122652U patent/CN203304910U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176046A (en) * | 2018-09-06 | 2019-01-11 | 重庆三峡学院 | Machining rotary table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20140409 |