CN202571351U - Clamping and releasing mechanism for rotary cutter holder capable of adjusting clamping force - Google Patents
Clamping and releasing mechanism for rotary cutter holder capable of adjusting clamping force Download PDFInfo
- Publication number
- CN202571351U CN202571351U CN 201220104064 CN201220104064U CN202571351U CN 202571351 U CN202571351 U CN 202571351U CN 201220104064 CN201220104064 CN 201220104064 CN 201220104064 U CN201220104064 U CN 201220104064U CN 202571351 U CN202571351 U CN 202571351U
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- cutter holder
- clamping force
- sliding carriage
- circular
- knife rest
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Abstract
The utility model relates to a clamping and releasing mechanism for a rotary cutter holder capable of adjusting clamping force. The clamping and releasing mechanism solves the problem that in the prior art, the cutter holder cannot be locked tightly in time due to cooperation of a reversing pin and a push groove. A circularly arranged T-shaped groove is arranged on a sliding carriage; a round hole is arranged on the cutter holder; a T-shaped screw is arranged in the round hole; a T-shaped portion of the T-shaped screw is inserted into the T-shaped groove to form clearance fit; a disc spring is sleeved on the T-shaped screw on the round hole portion; the portion is further fixed with a piston; one end of the disc spring is propped against the piston; and the other end of the disc spring is propped against the round hole bottom. After the cutter holder is rotated and adjusted, the elasticity of the disc spring can firmly press and fix the cutter holder on the sliding carriage through a T-shaped threaded rod; during the rotation process, the piston offsets the elasticity of the disc spring, at last, the cutter holder and the sliding carriage are released, and the cutter holder can be turned conveniently.
Description
Technical field
The utility model relates to a kind of knife rest auxiliary body of molded gear grinding machine, and is especially a kind of simple in structure, and the adjustable clamping force circular cutter holder that clamping force is adjustable clamps uncoupling gear.
Background technology
All be provided with knife rest on molded gear grinding machine and the gear-hobbing machine, when original state, knife rest is in the original position of level, when the conventional gear of processing, is follow rest.But some gear is being added man-hour, need knife rest rotated an angle, Gear Processing also need be turned back to original horizontal level with knife rest after accomplishing.This just has higher requirement to the rigidity of knife rest.
In the process of knife rest rotation, in order to reduce steering resistance knife rest is loosened, after being turned back to definite position, again knife rest is compressed, to increase the rigidity of knife rest.
Patent Office of the People's Republic of China has announced a CN201316811Y patent on September 30th, 2009, name is called the automatic circular cutter holder of numerical control, comprises motor, main shaft, upper knife body, lower knife body, worm screw, turbine, screw rod; Clutch discs, ring gear, external toothing, cover seat, top cover, send out dish and magnet steel fast; Also comprise instead by dish, instead lean on pin, on-of pin, spring, clamping gear ring, guide pillar pin, locking nut and pressing plate, pressing plate is sleeved on the main shaft, and is connected with upper knife body with bearing through adjusting pad; Instead be fixed on the ring gear by dish; Anti-pin and the on-of pin of leaning on is placed in the clamping gear ring, instead leans on corresponding the pushing away in lower end of pin to pull out groove by having on the dish with anti-, has push away corresponding with on-of pin on the clutch discs and pulls out groove; Spring is at on-of pin and instead lean in the hole involutory between the pin; And the upper end of spring is against on the on-of pin, and the lower end of spring is against anti-leaning on the pin, clamps gear ring and screw engages.Complicated integral structure, clutch discs are inserted into to push away through on-of pin and pull out groove and form locking mechanism, and on-of pin cooperates not too conveniently between the groove with pushing away to pull out, and can not realize real-time locking, have only when on-of pin and could realize after pulling out groove and aiming at pushing away; In the rotation process, be to be grasped by the bearing under pressing plate and the pressing plate between upper knife body and the lower knife body, the magnet steel and the counter-rotating of sending out fast dish matched orders motor use the magnet steel while stability that relatively consumes energy lower, and the clamping force in the locking process can not be regulated.
Summary of the invention
The utility model has solved need aim in the prior art instead to lean on pin and push away to pull out and can not real-time implementation lock after the groove cooperation causes knife rest to loosen revolution; Need the anti-pin that leans on to pull out groove and aim at the defective that to lock with pushing away; Provide a kind of adjustable clamping force circular cutter holder to clamp uncoupling gear, can realize locking in real time.
The utility model has also solved in the prior art the anti-pin that leans on and has pulled out groove and cooperate and realize locking with pushing away; Cause the rotating angle of knife rest to be restricted; Can not be according to actual defective of regulating; Provide a kind of adjustable clamping force circular cutter holder to clamp uncoupling gear, locking makes knife rest be locked at any position according to reality processing needs in real time.
The utility model has also solved the defective that the coupling mechanism force of prior art intermediate slide locking can not be regulated, and provides a kind of adjustable clamping force circular cutter holder to clamp uncoupling gear, and the coupling mechanism force after the knife rest revolution can be regulated, and clamps more reliably.
The utility model solves the technical scheme that its technical problem adopted: a kind of adjustable clamping force circular cutter holder clamps uncoupling gear, comprises sliding carriage, through the knife rest that turning cylinder is connected with sliding carriage, and sliding carriage is provided with the T-slot of circular arrangement; Be provided with the circular hole of some symmetries on the knife rest with the position of T-slot same diameter; The circular hole bottom is provided with through hole, and the openend of circular hole is provided with seal cover; Be provided with T shape screw in the circular hole; The T shape portion of T shape screw is inserted into and forms matched in clearance in the T-slot, and T shape screw is equipped with the dish spring on the position of circular hole, also be fixed with piston on this position; One end and the piston of dish spring connect, and the other end of dish spring and circular hole bottom connect.Knife rest can rotate relative to sliding carriage around turning cylinder, in the rotation process, will unclamp between knife rest and the sliding carriage, after rotateing in place, will fix between knife rest and the sliding carriage, improves rigidity; The T-slot circular arrangement, the convenient rotation can stop operating and step up in real time, and angle adjustment is more flexible; Use T-slot, T shape screw is connected to knife rest on the sliding carriage, and the T shape portion of T shape screw and T-slot clamp; Then knife rest just is fixed on the sliding carriage, and T shape portion is lax mutually with T-slot, and knife rest just unclamps with sliding carriage; Be convenient to rotate, need not instead lean on pin and push away and pull out groove, it is convenient to clamp; The circular hole opening part is provided with seal cover, mainly is that circular hole is sealed, and one convenient for assembly, and another prevents that also the hydraulic oil inlet from leaking; Be equipped with the dish spring on the T shape screw and be fixed with piston, the producing method of the clamping force between knife rest and the sliding carriage or the size of clamping force can be produced clamping force and overcome clamping force by piston and unclamp knife rest and sliding carriage by the dish spring.
As preferably, a word end of T shape screw rod is provided with step, and the end of T shape screw rod is rotary with hold-down nut, and hold-down nut and step are fixed on piston on the T shape screw rod.Step and hold-down nut combination fix piston, are nested with the adjustment cover at the step place and adjust the position between piston and the folded spring, thereby change the clamping force that folded spring produces.
As preferably, be formed with the oiling chamber between piston and the seal cover, seal cover is provided with the pouring orifice in UNICOM oiling chamber.Piston moves toward the sliding carriage direction and overcomes folded spring force, so the position between piston and the seal cover is that pressure produces the position.
As preferably, T shape screw rod is provided with bulge loop at the position of through hole, is provided with cushion block between dish spring and the bulge loop, and an end of dish spring withstands cushion block.Cushion block matches with the end of folded spring and improves the supporting plane degree of folded spring.
As preferably, the degree of depth at the horizontal position of T-slot is greater than the thickness at the horizontal position of T shape screw.The degree of depth can form the gap greater than thickness, moves outflow space for T shape screw.
As preferably, turning cylinder and knife rest are fixed through nut, adopt bearing to be connected between turning cylinder and the sliding carriage.Bearing can reduce the resistance in the blade holder turns process.
As preferably, circular hole is two on the knife rest, 180 ° at interval of two circular holes.Steadily fixing, stressed even, it is convenient to rotate, and hinders less; Also can increase the quantity of circular hole, increase simultaneously under the bigger situation of the weight of quantity, especially knife rest of T shape screw, can increase T shape screw and support.
As preferably, sliding carriage is provided with T shape inlet, and T shape inlet is communicated with T-slot, and T shape enters the mouth and departs from mutually with the circular trace of T-slot.T shape screw enters in the T-slot from T shape inlet, and T shape inlet departs from the track of T-slot, prevents in the blade holder turns process that T shape screw is deviate from T-slot, guarantees to rotate safety.
The beneficial effect of the utility model is: after the knife rest revolution adjustment angle; The elastic force of dish spring can be fixed knife rest on the sliding carriage through T shape screw rod; Through piston the elastic force of dish spring is offset in the rotation process, finally unclamp knife rest and sliding carriage, make things convenient for blade holder turns.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Among the figure: 1,1, sliding carriage, 2, T-slot, 3, T shape screw, 4, cushion block, 5, the dish spring, 6, piston; 7, hold-down nut, 8, seal cover, 9, knife rest, 10, the oiling chamber, 11, step; 12, through hole, 13, bulge loop, 14, bearing, 15, turning cylinder, 16, circular hole.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of adjustable clamping force circular cutter holder clamps uncoupling gear (referring to accompanying drawing 1), comprises sliding carriage 1 and the knife rest 9 that is connected with sliding carriage, and knife rest is provided with some cutters.
The middle part of sliding carriage is provided with axis hole, and the centre of knife rest is fixed with turning cylinder 15 through nut, and turning cylinder is connected in the axis hole through bearing 14.Turning cylinder is connected with drive motors.
Be provided with the T-slot 2 of circular arrangement on the sliding carriage towards the side of knife rest, T-slot has a T shape inlet, and this T shape inlet departs from the circular trace of T-slot.Be inserted with T shape screw 3 in the T-slot, the T shape portion of T shape screw is in the T-slot, and a word end of T shape screw is in the knife rest, and the degree of depth at the horizontal position of T-slot forms matched in clearance greater than the thickness at the horizontal position of T shape screw.Be provided with the circular hole 16 at 180 ° at two intervals on the knife rest with the corresponding position of T-slot.The circular hole bottom is provided with through hole 12, and the diameter of through hole is less than the diameter of circular hole, and the openend of circular hole is provided with seal cover 8.One word end of T shape screw is inserted in the circular hole from through hole, and T shape screw is in and is equipped with dish spring 5 and piston 6 on the position in the circular hole.T shape screw is provided with step 11, and the end of a word end of T shape screw is fixed with hold-down nut 7, and step and hold-down nut are clamped piston.T shape screw rod is provided with bulge loop 13 at the position of through hole, and the diameter of bulge loop is less than the diameter of through hole, and the length of bulge loop is less than the length of through hole.Be provided with cushion block 4 between dish spring and the circular hole bottom, an end of dish spring withstands cushion block, and the other end of dish spring withstands piston.
Be formed with oiling chamber 10 between piston and the seal cover, seal cover is provided with the pouring orifice that is communicated with the oiling chamber.During no hydraulic oil, the elastic force tension T shape screw of dish spring makes knife rest and sliding carriage fix in the oiling chamber.
When the needs blade holder turns, through the oiling in the oiling chamber of the pouring orifice on the seal cover, this moment piston stress; The compact disc spring also overcomes the elastic force of dish spring, makes T shape screw unclamp mutually with T-slot simultaneously, also unclamps knife rest and sliding carriage; Turning cylinder rotates under the driving of drive motors, turn to correct position after, hydraulic oil refluxes in the oiling chamber; The dish spring clamps T shape screw with T-slot from new promotion piston mutually, also makes knife rest and sliding carriage fix.In the present embodiment, the clamping force between knife rest and the sliding carriage is that the elastic force through the dish spring provides.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (8)
1. an adjustable clamping force circular cutter holder clamps uncoupling gear, comprises sliding carriage, through the knife rest that turning cylinder is connected with sliding carriage, it is characterized in that sliding carriage is provided with the T-slot of circular arrangement; Be provided with the circular hole of some symmetries on the knife rest with the position of T-slot same diameter; The circular hole bottom is provided with through hole, and the openend of circular hole is provided with seal cover; Be provided with T shape screw in the circular hole; The T shape portion of T shape screw is inserted into and forms matched in clearance in the T-slot, and T shape screw is equipped with the dish spring on the position of circular hole, also be fixed with piston on this position; One end and the piston of dish spring connect, and the other end of dish spring and circular hole bottom connect.
2. adjustable clamping force circular cutter holder according to claim 1 clamps uncoupling gear, it is characterized in that a word end of T shape screw rod is provided with step, and the end of T shape screw rod is rotary with hold-down nut, and hold-down nut and step are fixed on piston on the T shape screw rod.
3. adjustable clamping force circular cutter holder according to claim 2 clamps uncoupling gear, it is characterized in that being formed with between piston and the seal cover oiling chamber, and seal cover is provided with the pouring orifice that is communicated with the oiling chamber.
4. clamp uncoupling gear according to claim 1 or 2 or 3 described adjustable clamping force circular cutter holders, it is characterized in that T shape screw rod is provided with bulge loop at the position of through hole, be provided with cushion block between dish spring and the bulge loop, an end of dish spring withstands cushion block.
5. adjustable clamping force circular cutter holder according to claim 1 clamps uncoupling gear, and the degree of depth at horizontal position that it is characterized in that T-slot is greater than the thickness at the horizontal position of T shape screw.
6. adjustable clamping force circular cutter holder according to claim 1 clamps uncoupling gear, it is characterized in that turning cylinder and knife rest fix through nut, and the employing bearing is connected between turning cylinder and the sliding carriage.
7. clamp uncoupling gears according to claim 1 or 2 or 3 or 5 or 6 described adjustable clamping force circular cutter holders, it is characterized in that circular hole is two on the knife rest, 180 ° at interval of two circular holes.
8. clamp uncoupling gear according to claim 1 or 2 or 3 or 5 or 6 described adjustable clamping force circular cutter holders, it is characterized in that sliding carriage is provided with T shape inlet, T shape inlet is communicated with T-slot, and T shape inlet departs from the circular trace of T-slot mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220104064 CN202571351U (en) | 2012-03-19 | 2012-03-19 | Clamping and releasing mechanism for rotary cutter holder capable of adjusting clamping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220104064 CN202571351U (en) | 2012-03-19 | 2012-03-19 | Clamping and releasing mechanism for rotary cutter holder capable of adjusting clamping force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202571351U true CN202571351U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220104064 Expired - Fee Related CN202571351U (en) | 2012-03-19 | 2012-03-19 | Clamping and releasing mechanism for rotary cutter holder capable of adjusting clamping force |
Country Status (1)
| Country | Link |
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| CN (1) | CN202571351U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002192A (en) * | 2013-02-26 | 2014-08-27 | 盐城纺织职业技术学院 | Simple mechanical hydraulic linkage rotation indexing mechanism |
| CN104002143A (en) * | 2014-05-18 | 2014-08-27 | 湖北汽车工业学院 | Multi-station power head positioned by floating taper pins |
| CN104690322A (en) * | 2015-01-31 | 2015-06-10 | 南通弘峰机电有限公司 | Annular boring cutter tool |
| KR20180028095A (en) * | 2016-09-07 | 2018-03-16 | 한국산업기술대학교산학협력단 | Hole processing apparatus |
-
2012
- 2012-03-19 CN CN 201220104064 patent/CN202571351U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002192A (en) * | 2013-02-26 | 2014-08-27 | 盐城纺织职业技术学院 | Simple mechanical hydraulic linkage rotation indexing mechanism |
| CN104002143A (en) * | 2014-05-18 | 2014-08-27 | 湖北汽车工业学院 | Multi-station power head positioned by floating taper pins |
| CN104690322A (en) * | 2015-01-31 | 2015-06-10 | 南通弘峰机电有限公司 | Annular boring cutter tool |
| KR20180028095A (en) * | 2016-09-07 | 2018-03-16 | 한국산업기술대학교산학협력단 | Hole processing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150319 |
|
| EXPY | Termination of patent right or utility model |