CN202667837U - Mantle fiber fixture device used for lathe - Google Patents
Mantle fiber fixture device used for lathe Download PDFInfo
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- CN202667837U CN202667837U CN 201220031340 CN201220031340U CN202667837U CN 202667837 U CN202667837 U CN 202667837U CN 201220031340 CN201220031340 CN 201220031340 CN 201220031340 U CN201220031340 U CN 201220031340U CN 202667837 U CN202667837 U CN 202667837U
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Abstract
The utility model belongs to the field of machinery machining and provides a mantle fiber fixture device used for a lathe, the mantle fiber fixture device is in a split type structure and formed by a taper sleeve, a spline shaft, a guide tube, a first friction plate, a second friction plate, a round nut, a thrust bearing, a positioning screw and a set screw, wherein the first friction plate and the second friction plate are located between the taper sleeve and the spline shaft; one end of a tail taper surface of the taper sleeve is fixedly and correspondingly connected with an inner taper hole of a lathe tailstock, the other end of the taper sleeve is provided with a first blind hole; on end of the spline shaft is mounted and fixed in the first blind hole of the taper sleeve in a sleeved mode through the thrust bearing and the round nut, the first blind hole is connected with the spline shaft through the first friction plate and the second friction plate, and a second blind hole is arranged at the other end of the spline shaft; the guide tube with the other end provided with a third blind hole is mounted in the second blind hole of the spline shaft in a sleeved mode; the guide tube and the spline shaft are positioned/tightly fixed through the positioning screw; and a circular die is fixed in the third blind hole at the other end of the guide tube through the set screw.
Description
Technical field
The utility model belongs to field of machining, relates in particular to a kind of auxiliary equipment for machine components and the processing of tool and mould external screw thread.
Background technology
Mantle fiber processing is common mechanical processing technique, and mantle fiber processing is exactly to portray at the periphery of workpiece (part) to process screw thread, commonly angular thread.
Common mantle fiber processing mode has two kinds, that is:
The one, the manpower manual mantle fiber adopts circular die is installed in strand on hand exactly, with workpiece (part) vertically fixing (usually adopting bench vice to fix), by the manpower operation, circular die is done the downward motion of rotation at the periphery of workpiece (part).The method instrument is not restricted by place, equipment simply,, is easy to field operation, but machining accuracy and operating efficiency are not high, is applicable to Overhaul site or small lot, and diameter is less than workpiece (part) processing of M20.
The 2nd, the machine power mantle fiber, common are thread rolling processing, lathe processing etc., wherein thread rolling processing is exactly to adopt Surface Machining that two washboards of line thread are arranged, workpiece (part) is processed, allow periphery in washboard, rotate, good processing accuracy, efficient height, thus be applicable to the production of standard component in enormous quantities, such as bolt common in the machanical fastener, screw etc.Lathe processing is exactly to adopt cutter or circular die that the periphery of workpiece (part) is processed operation, and machining accuracy is high, operating efficiency is better than manual working, and in being applicable to, small lot, diameter is greater than shaft-like workpiece (part) processing of 10mm.
Lathe is common machining equipment, its main shaft rotates to be main motion, planker moves and is secondary motion (feed motion), the interior external rotary surface, end face and the various internal and external threads that are usually used in processing work, adopt corresponding cutter and annex, also can hole, reaming, tapping, mantle fiber and annular knurl etc.The work characteristics of lathe is: workpiece is fixed on the spindle chuck body in process, rotates, and allows cutter move, and does parallel or vertical feed along major axes orientation cutter, and mode of operation both can make manually, and was also motor-driven.Rotatablely moving of workpiece is main motion in the lathe processing, and moving axially of cutter is secondary motion.
Lathe threading (mantle fiber) operation common are two kinds, a kind of is to adopt the moulding cutter head, workpiece (part) is processed, because allowance relation, need to adjust the surface cut amount of feeding, through the moulding of repeatedly processing ability, machining accuracy is not high, need to detect with testing rule or nut, be applicable to macrotype axes series parts and diameter greater than the workpiece of 36mm; Another kind is to adopt the direct mantle fiber processing of circular die, being about to workpiece is fixed on the chuck, circular die is installed in strand is fixed on planker seat knife rest place in the hand, drive workpiece rotating by chuck, finish threading by circular die successively, need not to test rule detection, machining accuracy is high, is applicable to diameter less than the axial workpiece of 36mm, but the circular die location is comparatively difficult, the strand hand easily occurs escapes, the circular die broken teeth, the problems such as workpiece screw thread " mashed tooth ", especially during processing slim type workpiece (part), strain easily occurs in workpiece, causes the skew of machining center line to produce overload, cause circular die broken, workpiece (part) is scrapped.
Location and the overload protection performance of circular die when therefore improving the mantle fiber operation just can improve the effect and quality of lathe mantle fiber processing.
The utility model content
Technical problem to be solved in the utility model provides a kind of threading clamp device for lathe; it is the technological improvement of existing lathe mantle fiber processing; rely on friction plate to realize overload protection; can prevent the damage of circular die and workpiece; machining accuracy and efficient have been improved; guarantee positioning accuracy and reliability, effectively solved location and the overload protection problem of circular die in the processing of lathe mantle fiber, improved crudy and efficient.
The technical solution of the utility model is: a kind of threading clamp device for lathe is provided, comprises that an end and lathe tailstock are affixed, the other end is provided with the threading clamp of circular die, it is characterized in that:
Described threading clamp device is split-type structural, and it is made of conical sleeve, splined shaft, guide thimble, first, second friction plate, round nut, thrust bearing, dog screw and holding screw between conical sleeve and splined shaft at least;
Wherein, described conical sleeve has an end of taper tail bone face, and is corresponding affixed with the inner circle taper hole of described lathe tailstock, and the other end of conical sleeve is provided with the first blind hole;
One end of described splined shaft is through thrust bearing and round nut, and suit is fixed in the first blind hole of conical sleeve, and the first blind hole and splined shaft are between the two through first, second friction plate frictional connection, and the other end of splined shaft is provided with the second blind hole;
In the second blind hole of splined shaft, be set with the other end with the guide thimble of the 3rd blind hole;
Between described guide thimble and splined shaft, by dog screw location/fastening;
Described circular die is fixed in the 3rd blind hole of the guide thimble other end through holding screw.
Concrete, described conical sleeve be an end with the step-like quill of outer conical surface, its sleeve core is the first blind hole, the uniform positioning key that is provided with in the bottom of the first blind hole is provided with the triangle internal thread at the inner surface of the first blind hole.
Described positioning key is the inside and outside segment that is arc surface, is fixed on the first blind hole bottom of conical sleeve by the quartering.
Described splined shaft is an axle with double shaft shoulder step, and an end of axle is provided with 6 grades and divides spline and double shaft shoulder step surface, and the core of the axle other end is provided with the second blind hole, is provided with a locating slot on the exterior circular column surface of the second blind hole section.
Described locating slot is that two ends are semi-circular rectangular channel.
Described guide thimble is a step-like cylinder with stepped hole, the larger-diameter end core of cylinder is processed with step-like the 3rd blind hole, be provided with two the second tapped through holes in first-class minute at the external peripheral surface of step-like the 3rd blind hole section, cylinder at cylinder small diameter one end is provided with the first tapped through hole, and the axial line of the first tapped through hole is vertical with the guide thimble axial line.
Described dog screw runs through the locating slot setting of splined shaft, and its end is fixed in the first tapped through hole of guide thimble.
Described round nut is to be with externally threaded hollow circular cylinder, is provided with the triangle external screw thread on the cylinder outer circumference surface, and its core central authorities are the first through hole, and the diameter of described the first through hole is greater than the diameter of splined shaft; Around the first through hole, be provided with four the second through holes by the quartering; Described round nut is by the triangle internal thread corresponding setting of the triangle external screw thread on the outer circumference surface with conical sleeve the first blind hole internal surface; It is secondary that described round nut and conical sleeve the first blind hole consist of nut/screw rod coupling.
Described first, second friction plate group is made of the annular friction plate of multi-disc external diameter less than the first blind hole diameter; Wherein, be evenly equipped with first positioning convex corresponding with each positioning key in the first blind hole on the circumferential periphery of the first friction plate, the inner circle diameter dimension of the first friction plate, divide the diameter dimension of spline one end greater than splined shaft 6 grades, be evenly equipped with on the inner circle periphery of the second friction plate with 6 grades of splined shaft one end and divide the second corresponding positioning convex of spline; The alternate setting of described first, second friction plate; Described the first friction plate is relative fixing with the first blind hole of conical sleeve through positioning key; Described the second friction plate is sleeved on 6 grades of splined shaft and divides on the spline; Between described conical sleeve and the splined shaft through first, second friction plate frictional connection.
Described thrust bearing is sleeved on splined shaft 6 grades and divides on the double shaft shoulder step surface of spline opposite end, and the tight ring of bearing is interior, with the splined shaft tight fit, the DNA releaxed circular DNA of bearing outside, the side end face of bearing DNA releaxed circular DNA cooperates with the round nut pressure contact.
Compared with the prior art, the utility model has the advantages that:
1. the employing split-type structural is reasonable in design, compact conformation, and dismounting is quick, working service is convenient, saving of work and time;
2. adopt conical sleeve-splined shaft-guide thimble three-piece structure, accurate positioning, good stability, highly versatile changes guide thimble stepped hole size, can satisfy many specifications mantle fiber processing request;
3. adopt first, second friction plate group structure, rely on friction plate to realize overload protection, can prevent the damage of circular die and workpiece, effectively solved location and the overload protection problem of circular die in the processing of lathe mantle fiber, improved crudy and efficient.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the conical sleeve structural representation;
Fig. 3 is the spline shaft structure schematic diagram;
Fig. 4 is the guide thimble structural representation;
Fig. 5 is that round nut is faced structural representation;
Fig. 6 is round nut side-looking structural representation;
Fig. 7 is that positioning key is faced structural representation;
Fig. 8 is positioning key side-looking structural representation;
Fig. 9 is the first friction plate structure schematic diagram;
Figure 10 is the second friction plate structure schematic diagram;
Figure 11 is friction plate assembling figure;
Figure 12 is A-A ' cross-sectional view of Figure 11;
Figure 13 is B-B ' cross-sectional view of Figure 11;
Figure 14 is the utility model working state schematic representation.
1 is conical sleeve among the figure, and 1-1 is the first blind hole, and 1-2 is positioning key, 1-3 is the triangle internal thread, and 1-4 is outer conical surface, and 2-1 is the first friction plate, 2-11 is the first positioning convex, and 2-2 is the second friction plate, and 2-21 is the second positioning convex, 3 is thrust bearing, and 3-1 is the tight ring of bearing, and 3-2 is the DNA releaxed circular DNA of bearing, 4 is splined shaft, and 4-1 is the second blind hole, and 4-2 is locating slot, 4-3 is double shaft shoulder step surface, and 4-4 is that 6 grades are divided spline, and 5 is holding screw, 6 is guide thimble, and 6-1 is the 3rd blind hole, and 6-2 is the first tapped through hole, 6-3 is the second tapped through hole, and 7 is dog screw, and 8 is round nut, 8-1 is the second through hole, 8-2 is the first through hole, and 8-3 is the triangle external screw thread, and 14A is lathe tailstock, 14B is this threading clamp device, 14C is processing work, and 14D is lathe chuck, and 14E is circular die.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Among Fig. 1, this threading clamp device is split-type structural, and it is made of conical sleeve 1, splined shaft 4, guide thimble 6, the first friction plate 2-1, the second friction plate 2-2, round nut 8, thrust bearing 3, dog screw 7 and holding screw 5 between conical sleeve and splined shaft at least.
Wherein, described conical sleeve has an end of taper tail bone face, and with the inner circle taper hole corresponding affixed (referring to shown in Figure 14) of described lathe tailstock, the other end of conical sleeve is provided with the first blind hole 1-1.
One end of described splined shaft 4 is through thrust bearing 3 and round nut 8, suit is fixed in the first blind hole of conical sleeve, through the first friction plate 2-1, the second friction plate 2-2 frictional connection, the other end of splined shaft is provided with the second blind hole 4-1 between the two for the first blind hole and splined shaft.
In the second blind hole 4-1 of splined shaft 4, be set with the other end with the guide thimble 6 of the 3rd blind hole 6-1.
Between described guide thimble 6 and splined shaft 4, by dog screw 7 location/fastening.
Described circular die (not shown, can referring to the 14E among Figure 14) is fixed among the 3rd blind hole 6-1 of guide thimble 6 other ends through holding screw 5.
In addition, thrust bearing 3 is sleeved on 6 grades of splined shaft 4 and divides on the double shaft shoulder step surface 4-3 of spline opposite end, and the tight ring 3-1 of bearing is interior, with the splined shaft tight fit, the DNA releaxed circular DNA 3-2 of bearing outside, the side end face of bearing DNA releaxed circular DNA cooperates with the round nut pressure contact.
Among Fig. 2, conical sleeve 1 be an end with the step-like quill of outer conical surface 1-4, its sleeve core is the first blind hole 1-1, the uniform positioning key 1-2 that is provided with in the bottom of the first blind hole is provided with triangle internal thread 1-3 at the inner surface of the first blind hole.
Among Fig. 3, splined shaft 4 is an axle with double shaft shoulder step, one end of axle is provided with 6 grades and divides spline 4-4 and double shaft shoulder step surface 4-3, and the core of the axle other end is provided with the second blind hole 4-1, is provided with a locating slot 4-2 on the exterior circular column surface of the second blind hole section.
Described locating slot is that two ends are semi-circular rectangular channel.
Among Fig. 4, guide thimble 6 is a step-like cylinder with stepped hole, the larger-diameter end core of cylinder is processed with step-like the 3rd blind hole 6-1, be provided with two the second tapped through hole 6-3 in first-class minute at the external peripheral surface of step-like the 3rd blind hole section, cylinder at cylinder small diameter one end is provided with the first tapped through hole 6-2, and the axial line of the first tapped through hole is vertical with the guide thimble axial line.
As seen from the figure, the end of dog screw 7 is fixed in the first tapped through hole of guide thimble, and holding screw runs through the second tapped through hole 6-3, and circular die is fixed among the 3rd blind hole 6-1.
Among Fig. 5, Fig. 6, round nut 8 is to be with externally threaded hollow circular cylinder, is provided with triangle external screw thread 8-3 on the cylinder outer circumference surface, and its core central authorities are the first through hole 8-2.
The diameter of its first through hole is greater than the diameter of splined shaft.
Around the first through hole, be provided with four the second through hole 8-1. by the quartering
Round nut is by the triangle internal thread 1-3 corresponding setting of the triangle external screw thread 8-3 on the outer circumference surface with conical sleeve the first blind hole internal surface.
In conjunction with Fig. 1, Fig. 2, Fig. 5 and Fig. 6 as can be known, round nut 8 consists of corresponding screw rod-nut structure with conical sleeve the first blind hole 1-1.
Among Fig. 7, Fig. 8, positioning key is the inside and outside segment that is arc surface, is fixed on the first blind hole bottom of conical sleeve by the quartering.
Among Fig. 9, Figure 10, first, second friction plate is made of the annular friction plate of multi-disc external diameter less than the first blind hole diameter..
Wherein, be evenly equipped with the first positioning convex 2-11 corresponding with each positioning key in the first blind hole on the circumferential periphery of the first friction plate 2-1, and the inner circle diameter dimension of the first friction plate, divide the diameter dimension of spline one end greater than splined shaft 6 grades.
Being evenly equipped with on the inner circle periphery of the second friction plate 2-2 with 6 grades of splined shaft one end divides the second corresponding positioning convex 2-21 of spline.
Among Figure 11, the alternate setting of first, second friction plate.
In conjunction with Fig. 1 and Figure 12, Figure 13 as can be known, the first friction plate is relative fixing with the first blind hole of conical sleeve through positioning key; The second friction plate is sleeved on 6 grades of splined shaft and divides on the spline.
Between described conical sleeve 1 and the splined shaft 4 through the first friction plate 2-1, the second friction plate 2-2 frictional connection.
In other words, this threading clamp device is " split type " structure, and it is comprised of at least eight parts, that is: conical sleeve, splined shaft, guide thimble, friction plate, round nut, thrust bearing, dog screw, holding screw.
Wherein, conical sleeve is the quill with taper seat, and positioning key is fixed in the conical sleeve.
Rolling thrust bearing and friction plate are installed in respectively the shaft shoulder two ends of splined shaft, and splined shaft one end is installed in the conical sleeve, are fixed by round nut, reach the purpose of adjusting frictional force by the pretightning force of adjusting round nut.
Guide thimble is installed in the splined shaft, and dog screw is screwed on the guide thimble, plays axial limiting and guide effect; Holding screw is screwed in the guide thimble end, plays the effect that the fixed disc tooth prevents loosening rotation.
Further, its conical sleeve is comprised of sleeve and positioning key, the optional 45# steel of sleeve material, heat treatment quenching and tempering, be the step-like quill with outer conical surface, outer conical surface is GB MORSE-4#, and the outer conical surface afterbody is processed into the plane, the sleeve core is processed into the first blind hole, blind hole inner circumferential surface processing angular thread.
Its positioning key has 4, is that material is the segment of 45# steel, and the inside and outside arc surface that is installs and fixes (welding) in the blind hole bottom of conical sleeve by the quartering.
The optional 45# steel of its splined shaft material, heat treatment quenching and tempering is the step-like axle with spline, hole, groove, axle one end is that 6 grades are divided spline, other end core is processed circular blind hole, and processing one two ends are semi-circular rectangular channel on the periphery outside, and the axle middle part is double step surface.
The optional GB thrust ball bearing with flat seat of its rolling bearing, model is 51209(8209).
The optional 45# steel of its round nut material is to be with externally threaded mesopore cylinder, cylinder outer circumference surface processing angular thread, and core is a through hole, processes four through holes by the quartering around the through hole.
Its friction plate combination is comprised of the first friction plate and the second friction plate, respectively there are 5, be single-sheet thickness 2.5mm, material is the special-shaped cylinder of composite, the first friction plate is 4 external splines, the interior through hole of using, the second friction plate are 6 internal splines, and the first friction plate and the second friction plate stack arrangement mutually according to the order of sequence.
The optional 45# steel of its guide thimble material, heat treatment quenching and tempering, it is the step-like cylinder with stepped hole, the larger-diameter end core machine table scalariform blind hole of cylinder, 2 the second tapped through holes of five equilibrium processing on the external peripheral surface, first tapped through hole of processing on the one end cylinder external peripheral surface of small diameter, the axial line of the first tapped through hole is vertical with the guide thimble axial line.
Its holding screw is GB M5 * 20mm unit machine screw, is screwed among 2 the second screwed hole 6-3 of guide thimble.
Its dog screw is GB M8 * 40mm unit machine screw, is screwed among the first screwed hole 6-2 of guide thimble.
When the utility model uses, need in advance assembling, that is:
1) with 4 positioning keys according to the quartering, adopt welding manner to be mounted and fixed on the first blind hole bottom of conical sleeve core, conical sleeve is vertically placed (the first blind hole up);
2) with the first friction plate of friction plate combination and the second friction plate mutually according to the order of sequence the interval be stacked alternately arrangement, be sleeved on the splined end of spline joint axle, 6 external splines of 6 the second positioning convex (internal spline) and spline joint axle of the second friction plate overlap;
The spline joint axle that 3) friction plate combination will be installed is vertically mounted in the first blind hole of conical sleeve, and 4 positioning keys of 4 first positioning convex (external splines) of the first friction plate bottom being installed in blind hole overlap;
4) the thrust bearing bearing is installed on the spline joint axle, the tight ring of bearing at interior, DNA releaxed circular DNA outside;
5) round nut is screwed on the first blind hole that is installed in conical sleeve, pretension puts in place;
6) end with the guide thimble small diameter inserts in the second blind hole of splined shaft core;
7) the first screwed hole with guide thimble aligns with the rectangle locating slot of splined shaft, dog screw is screwed in the screwed hole of guide thimble;
8) circular die is installed in the 3rd blind hole (section stepped hole) of guide thimble, screws two holding screws and be fixed.
So just finished component assembling operation of the present utility model, use is available on the machine.
Among Figure 14, during on-the-spot this threading clamp of use device 14B, the tail bone face of its conical sleeve is inserted in the inner circle taper hole of lathe tailstock 14A fixingly, workpiece 14C to be processed is installed in the lathe chuck 14D fixing, manually movable tail frame is progressively pressed close to workpiece, until workpiece end face and circular die 14E are adjacent to, plugged starts lathe, and workpiece rotates under the drive of lathe spindle, do the horizontal direction displacement and rotatablely move along circular die, so just can realize surface of the work is implemented the mantle fiber operation.
Iron company steel tube factory, Shanghai, install and use the utility model design at traditional C-620 lathe, be used for the angular thread processing of slender type axial workpiece and bolt, by the axial displacement of guide thimble, prolong the length of mantle fiber operation, can be according to the process requirements of workpiece, select corresponding guide thimble and circular die, cooperate the use of lathe center frame, trial effect is good, can create economic benefit every year more than 50,000 yuan.
The technical program is the technological improvement of existing lathe mantle fiber processing, it relies on friction plate to realize overload protection, guarantee positioning accuracy and reliability, effectively solved location and the overload protection problem of circular die in the processing of lathe mantle fiber, improved crudy and efficient; Reasonable in design, compact conformation, accurate positioning, rapid, easy to use, safe and reliable, the practicality and high efficiency of dismounting.
The utility model can be widely used in the mantle fiber processing operation field of engine lathe.
Claims (10)
1. a threading clamp device that is used for lathe comprises that an end and lathe tailstock are affixed, and the other end is provided with the threading clamp of circular die, it is characterized in that:
Described threading clamp device is split-type structural, and it is made of conical sleeve, splined shaft, guide thimble, first, second friction plate, round nut, thrust bearing, dog screw and holding screw between conical sleeve and splined shaft at least;
Wherein, described conical sleeve has an end of taper tail bone face, and is corresponding affixed with the inner circle taper hole of described lathe tailstock, and the other end of conical sleeve is provided with the first blind hole;
One end of described splined shaft is through thrust bearing and round nut, and suit is fixed in the first blind hole of conical sleeve, and the first blind hole and splined shaft are between the two through first, second friction plate frictional connection, and the other end of splined shaft is provided with the second blind hole;
In the second blind hole of splined shaft, be set with the other end with the guide thimble of the 3rd blind hole;
Between described guide thimble and splined shaft, by dog screw location/fastening;
Described circular die is fixed in the 3rd blind hole of the guide thimble other end through holding screw.
2. according to the threading clamp device for lathe claimed in claim 1, it is characterized in that described conical sleeve is that an end is with the step-like quill of outer conical surface, its sleeve core is the first blind hole, the uniform positioning key that is provided with in the bottom of the first blind hole is provided with the triangle internal thread at the inner surface of the first blind hole.
3. according to the threading clamp device for lathe claimed in claim 2, it is characterized in that described positioning key is the inside and outside segment that is arc surface, be fixed on the first blind hole bottom of conical sleeve by the quartering.
4. according to the threading clamp device for lathe claimed in claim 1, it is characterized in that described splined shaft is an axle with double shaft shoulder step, one end of axle is provided with 6 grades and divides spline and double shaft shoulder step surface, the core of the axle other end is provided with the second blind hole, is provided with a locating slot on the exterior circular column surface of the second blind hole section.
5. according to the threading clamp device for lathe claimed in claim 4, it is characterized in that described locating slot is that two ends are semi-circular rectangular channel.
6. according to the threading clamp device for lathe claimed in claim 1, it is characterized in that described guide thimble is a step-like cylinder with stepped hole, the larger-diameter end core of cylinder is processed with step-like the 3rd blind hole, be provided with two the second tapped through holes in first-class minute at the external peripheral surface of step-like the 3rd blind hole section, cylinder at cylinder small diameter one end is provided with the first tapped through hole, and the axial line of the first tapped through hole is vertical with the guide thimble axial line.
7. according to claim 5 or 6 described threading clamp devices for lathe, it is characterized in that described dog screw runs through the locating slot setting of splined shaft, its end is fixed in the first tapped through hole of guide thimble.
8. according to the threading clamp device for lathe claimed in claim 1, it is characterized in that described round nut is to be with externally threaded hollow circular cylinder, be provided with the triangle external screw thread on the cylinder outer circumference surface, its core central authorities are the first through hole, and the diameter of described the first through hole is greater than the diameter of splined shaft;
Around the first through hole, be provided with four the second through holes by the quartering;
Described round nut is by the triangle internal thread corresponding setting of the triangle external screw thread on the outer circumference surface with conical sleeve the first blind hole internal surface;
It is secondary that described round nut and conical sleeve the first blind hole consist of nut/screw rod coupling.
9. according to the threading clamp device for lathe claimed in claim 1, it is characterized in that described first, second friction plate is made of the annular friction plate of multi-disc external diameter less than the first blind hole diameter;
Wherein, be evenly equipped with first positioning convex corresponding with each positioning key in the first blind hole on the circumferential periphery of the first friction plate, the interior Circularhole diameter size of the first friction plate is divided the diameter dimension of spline one end greater than splined shaft 6 grades;
Being evenly equipped with on the interior circular hole periphery of the second friction plate with 6 grades of splined shaft one end divides the second corresponding positioning convex of spline;
Described the first friction plate is relative fixing with the first blind hole structure of conical sleeve through positioning key;
Described the second friction plate is sleeved on 6 grades of splined shaft and divides on the spline;
The alternate setting of described first, second friction plate;
Between described conical sleeve and the splined shaft through the first friction plate, the second friction plate frictional connection.
10. according to the threading clamp device for lathe claimed in claim 1, it is characterized in that described thrust bearing is sleeved on splined shaft 6 grades and divides on the double shaft shoulder step surface of spline opposite end, the tight ring of bearing is interior, with the splined shaft tight fit, the DNA releaxed circular DNA of bearing outside, the side end face cooperates with the round nut pressure contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220031340 CN202667837U (en) | 2012-01-31 | 2012-01-31 | Mantle fiber fixture device used for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220031340 CN202667837U (en) | 2012-01-31 | 2012-01-31 | Mantle fiber fixture device used for lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202667837U true CN202667837U (en) | 2013-01-16 |
Family
ID=47488770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220031340 Expired - Fee Related CN202667837U (en) | 2012-01-31 | 2012-01-31 | Mantle fiber fixture device used for lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202667837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493317A (en) * | 2014-12-09 | 2015-04-08 | 重庆迪科汽车研究有限公司 | Friction-type tapping chuck |
| CN108723994A (en) * | 2018-05-22 | 2018-11-02 | 国营第六六厂 | A kind of setting element for precisely processing plunger helix |
| CN110576198A (en) * | 2018-06-09 | 2019-12-17 | 章荣康 | Elastic ejection aid for processing internal and external threads |
-
2012
- 2012-01-31 CN CN 201220031340 patent/CN202667837U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493317A (en) * | 2014-12-09 | 2015-04-08 | 重庆迪科汽车研究有限公司 | Friction-type tapping chuck |
| CN108723994A (en) * | 2018-05-22 | 2018-11-02 | 国营第六六厂 | A kind of setting element for precisely processing plunger helix |
| CN110576198A (en) * | 2018-06-09 | 2019-12-17 | 章荣康 | Elastic ejection aid for processing internal and external threads |
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