CN206234329U - Elastic friction device - Google Patents

Abstract

The utility model provides an add bullet friction device, including fixed friction spindle group and movable friction spindle group, wherein movable friction spindle group can move linearly and open or be closed with relatively fixed friction spindle group, and the first spindle of fixed friction spindle group and second spindle and the third spindle of movable friction spindle group continuously rotate when the state of opening, and slew velocity is less than the slew velocity of the first spindle of fixed friction spindle group and movable friction spindle group, second spindle and third spindle when closed state. The device is suitable for an automatic process and shortens the rework waiting time.

Description

Plus play rubbing device

Technical field

The utility model is related to a kind of plus plays rubbing device, and more particularly to it is a kind of suitable for automation process plus bullet rub Wipe device.

Background technology

Existing plus bullet technology is to make yarn to be frictionally engaged two or more precursor by draw texturing devices.

Fig. 1 is the schematic diagram of existing a kind of plus bullet equipment.Refer to Fig. 1, plus play the draw texturing devices 200 of equipment 100 Ingot 210 be generally configured with three and be spaced from and parallel axle 212, and axle 212 is arranged to the similar triangle from top sight Shape, ingot 210 have friction disc 214 axially spaced apart with so that precursor be by friction disc 214 be frictionally engaged with Plus bullet is into yarn, wherein friction disc 214 at least partly overlaps each other when texturing craft is carried out.

In more detail, produce it is preceding be processed, it is necessary to first precursor is put into each mechanical module, although wherein Mechanical arm 300 is provided with to be imported in draw texturing devices 200 with by silk thread to be processed, but because the ingot 210 of draw texturing devices 200 Friction disc 214 partly overlap each other to each other, therefore simultaneously easily silk thread cannot be directed in using mechanical arm 300 only In draw texturing devices 200, and necessarily using manpower with by least one of three ingots 210 of draw texturing devices 200 ingot with respect to its He is moved away from two ingots, and then after confirming that precursor enters in other two ingot, the ingot for recycling manpower to be displaced from is moved back to original Position is carried out plus bullet.

The ingot being moved away from of existing draw texturing devices be the axle using one of ingot of two other ingot as pivot, The distance between the axle of the ingot that then can be moved away from and the axle as pivot are used as radius of turn, the ingot that be able to will be then moved away from Outwarded winding with respect to other two ingots.

Due to being to be moved away from ingot using manual type, the consideration based on industry security, it is to avoid operating personnel are injured, therefore Operator will go to be moved away from moveable ingot or before with respect to other two ingots, be required for stopping the rotation of ingot 210, until Moveable ingot can just make ingot 210 restart to rotate after returning back to original position, it is therefore desirable to make ingot 210 from static to acquiescence The stand-by period of velocity of rotation (or from velocity of rotation of acquiescence to static).

Utility model content

The utility model provide it is a kind of suitable for automation process and the stand-by period of returning to work it is shorter plus play rubbing device.

Of the present utility model plus bullet rubbing device includes fixed friction ingot group and movable friction ingot group, wherein movable friction Ingot group can be moved linearly by being relatively fixed friction ingot group closure or openness, and in the state opened fixed friction ingot group the One ingot and the second ingot are persistently rotated with the 3rd ingot of movable friction ingot group, and velocity of rotation is rubbed less than the fixation in the state for closing Wipe the velocity of rotation of first ingot, the second ingot and the 3rd ingot of ingot group and movable friction ingot group.

In an embodiment of the present utility model, above-mentioned fixed friction ingot group includes fixed base, the first driving source, skin Belt wheel, the first ingot, the second ingot and the second belt, wherein the first driving source is installed on fixed base, belt pulley is fixed on solid Determine the side of pedestal and be connected with the first driving source, and the first belt sleeve of belt pulley is located on the axle of the first ingot, is used to drive First ingot is rotated, and the second ingot is set adjacent to the first ingot, and the second belt sleeve is on the axle of the first ingot and the axle of the second ingot.

In an embodiment of the present utility model, the first above-mentioned driving source is servo motor.

In an embodiment of the present utility model, above-mentioned movable friction ingot group includes that can be relatively fixed pedestal linearly moves Movable pedestal；And the 3rd ingot on movable pedestal is arranged at, wherein the second belt is also sheathed on the axle of the 3rd ingot.

In an embodiment of the present utility model, also including the second driving source, it is connected with movable pedestal, is used to drive movably Pedestal is relatively fixed pedestal movement, wherein the second driving source is magnetic valve, pneumatic cylinder or electric cylinder.

In an embodiment of the present utility model, also including belt tension module, belt tension module include spring and One end of rocking arm, wherein spring is connected to fixed base, and rocking arm has the first arm, the second arm and makes the first arm And second connecting portion that is connected with each other of arm, wherein connecting portion pivot joint it is arranged at movable pedestal, and the free end of the first arm It is connected with another end of spring, the belt of free end in contact second of the second arm.

In an embodiment of the present utility model, belt tension module also includes the freedom of the second arm for being arranged on rocking arm The gallow pultensile shock test at end, wherein gallow pultensile shock test contact the second belt.

In an embodiment of the present utility model, also including sensor, it is used to sense fibre when movable friction ingot group is operated Dimension tension force.

It is of the present utility model to add bullet rubbing device to be opened compared to fixed friction ingot group in movable friction ingot group based on above-mentioned When, the first ingot, the second ingot and the 3rd ingot are still persistently rotated, the first ingot, the second ingot when simply velocity of rotation is less than closure state And the 3rd ingot velocity of rotation, therefore when the 3rd ingot returns to home position, the velocity of rotation of the first ingot, the second ingot and the 3rd ingot The speed of acquiescence can quickly be returned to.

It is that features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing It is described in detail below.

Brief description of the drawings

Fig. 1 is the schematic diagram of existing a kind of plus bullet equipment.

Fig. 2A is plus plays the fixed friction ingot group of rubbing device with respect to the schematic perspective view that movable friction ingot group is closed.

Fig. 2 B are plus play the fixed friction ingot group of rubbing device with respect to the schematic diagram that movable friction ingot group is closed.

Fig. 3 A are plus play the fixed friction ingot group of rubbing device with respect to the schematic perspective view that movable friction ingot group is opened.

Fig. 3 B are plus play the fixed friction ingot group of rubbing device with respect to the schematic diagram that movable friction ingot group is opened.

Drawing reference numeral explanation：

100：Plus play equipment；

200：Draw texturing devices；

210：Ingot；

212：Axle；

214：Friction disc；

300：Mechanical arm；

400：Plus play rubbing device；

410：Fixed friction ingot group；

412：Fixed base；

414：First driving source；

416：Belt pulley；

416a：Wheel；

416b：First belt；

417：First ingot；

418：Second ingot；

419：Second belt；

420：Movable friction ingot group；

422：Movable pedestal；

426：3rd ingot；

430：Belt tension module；

432：Spring；

434：Rocking arm；

434a：First arm；

434b：Second arm；

434c：Connecting portion；

436：Gallow pultensile shock test；

440：Sensor；

A：Enter at yarn；

B：At yarn.

Specific embodiment

The utility model is designed may replace and return to work in foregoing plus bullet equipment to improve the problem of foregoing proposition The another kind that the time for the treatment of takes draw texturing devices more long adds bullet rubbing device, will be described in detail in following embodiments.The reality Apply in example plus when playing rubbing device an ingot being displaced from respect to other two ingots wherein, the rotating speed of all of ingot is downgraded still still So maintain to rotate, therefore rapidly default rotating speed higher can be promoted to from relatively low rotating speed when returning to work, reduce The stand-by period returned to work.Additionally, plus play rubbing device and can be intervened completely without manpower, therefore suitable for automation process.

Fig. 2A is plus plays the fixed friction ingot group of rubbing device with respect to the schematic perspective view that movable friction ingot group is closed.Please join Examine Fig. 2A, the present embodiment plus play rubbing device 400 and be installed in foregoing plus replace existing plus bullet equipment in bullet equipment, this adds Playing rubbing device 400 includes fixed friction ingot group 410 and movable friction ingot group 420, and wherein movable friction ingot group 420 can be linear Move to be relatively fixed the closure or openness of friction ingot group 410 in ground.

Specifically, fixed friction ingot group 410 includes fixed base 412, the first driving source 414, belt pulley 416, first Ingot 417, the second ingot 418 and the second belt 419, wherein the first driving source 414 is installed on fixed base 412, belt pulley 416 Wheel be fixed on the side of fixed base 412 and be connected with the first driving source 414, therefore when the first driving source 414 is operated, skin The wheel 416a of belt wheel 416 can be subject to the drive of the first driving source 414 and rotate.First belt 416b of belt pulley 416 is sheathed on On the axle (sign) of the first ingot 417, to drive the first ingot 417 to rotate while 416a rotations are taken turns.Second ingot 418 is neighbouring First ingot 417 is set, and the second belt 419 is sheathed on the axle of the axle of the first ingot 417 and the second ingot 418.

In the present embodiment, the axle of the axle of the first ingot 417 and the second ingot 418 is parallel to each other and at a distance.This Outward, the first driving source 414 is, for example, servo motor, and servo motor has the advantages that to be precisely controlled speed, not only can be according to need Change speed at any time is sought, also stable rotation can be maintained in extremely low speed, also can acceleration and deceleration rapidly.

Movable friction ingot group 420 includes to be relatively fixed the linearly moving movable pedestal 422 of pedestal 412 and being arranged at The 3rd ingot 426 on movable pedestal 422, wherein the second belt 419 is also sheathed on the axle (sign) of the 3rd ingot 426.Yu Ben In embodiment, movable pedestal 422 and fixed base 412 may make up a part for Pneumatic slid platform, therefore can be driven by first The cooperation of source 414 and other assemblies drives movable table seat 422 relative to the movement of fixed base 412.In another embodiment In, the second extra driving source (not shown) can be set it is used to drive movable pedestal 422 to be relatively fixed pedestal 412 and linearly moves It is dynamic, and the second driving source can select the one of which of the simple magnetic valve of relatively easy to control and start, pneumatic cylinder and electric cylinder, Selected according to actual demand.The axle of the 3rd ingot 426 is also parallel to each other simultaneously with the axle of foregoing first ingot 417 and the axle of the second ingot 418 And at a distance, wherein the movement with movable pedestal 422 relative to fixed base 412, the axle of the 3rd ingot 426 is also relative The axle of axle and the second ingot 418 closer or far from the first ingot 417.In other words, when movable pedestal 422 is relative to fixed base During 412 movement, the 3rd ingot 426 also simultaneously relative to the first ingot 417 and the second ingot 418 closer or far from.

Holding above-mentioned, plus play rubbing device 400 can also include belt tension module 430, and this belt tension module 430 includes bullet One end of spring 432 and Rocker arm 4 34, wherein spring 432 is connected to fixed base 412.Rocker arm 4 34 has the first arm 434a, the second arm 434b and make the connecting portion 434c that the first arm 434a and the second arm 434b are connected with each other, wherein connecting It is arranged at movable pedestal 422 to socket part 434c pivot joints, and another end phase of the free end of the first arm 434a and spring 432 Even, second belt of free end in contact 419 of the second arm 434b.Although the shape of the Rocker arm 4 34 of the present embodiment is substantially V-shaped, But those skilled in the art can also change the shape of Rocker arm 4 34 and remain to obtain identical effect.Spring 432 is, for example, to stretch bullet Spring, and pass through movable pedestal 422 and be relatively distant from or near fixed base 412, can deform spring 432 and then drive Rocker arm 4 34 Rotate, although the rotation of Rocker arm 4 34 can change the position of the free end of the second arm 434b, but still be able to maintain that the second belt Tension force during 419 motion.

Additionally, belt tension module 430 can also include being arranged on opening on the free end of the second arm 434b of Rocker arm 4 34 Power idle pulley 436.As Fig. 2A shows, Rocker arm 4 34 can be laminated structure, and the face of the second belt of free end in contact 419 due to sheet Product very little, it is thus possible to the second belt 419 can be caused to slide, therefore one can be set also on the free end of the second arm 434b Gallow pultensile shock test 436.Gallow pultensile shock test 436 may be used to contact the second belt 419, and then cause the second belt 419 and gallow pultensile shock test 436 Contact area increase, therefore can not only avoid the second belt 419 from being slid when operating, and can preferably maintain the second belt Tension force during 419 motion.

Also, plus play rubbing device 400 and also include sensor 440, the visual demand of the set location of this sensor 440 is determined, For example set plus play entering at yarn A at for rubbing device 400, it is also possible to be arranged on plus the yarn of bullet rubbing device 400 at B (be shown in Fig. 1), or simultaneously B at A and yarn is arranged on at yarn.Sensor 440 is used to sense fibre when movable friction ingot group 420 is operated Dimension tension force, so as to can determine whether the relative distance between movable pedestal 422 and fixed base 412.In more detail, due to movable table The distance change of seat 422 and fixed base 412 will cause the change of fiber tension, therefore sensor can sense the value of fiber tension Specific control unit (not shown) is sent to, control unit can estimate the distance between two pedestals after obtaining mentioned strain value, So as to precisely control the closure or openness of movable pedestal 422.On the other hand, can also monitor in real time by sensor 440 Plus the fiber tension during bullet running of rubbing device 400, and then issuable defective workmanship when avoiding manufacturing yarn.

How accompanying drawing of arranging in pairs or groups below operate adding for the present embodiment to play rubbing device 400 if being described in detail.

Fig. 2 B are to add the fixed friction ingot group for playing rubbing device with respect to the schematic diagram that movable friction ingot group is closed, wherein in order to It is clear to illustrate, therefore showing for some components is eliminated in Fig. 2 B, and Fig. 2A and Fig. 2 B use different visual angles.Please also refer to Fig. 2A and Fig. 2 B, when adding bullet rubbing device 400 not actuated, movable friction ingot group 420 is relatively fixed friction ingot group 410 and closes. Now, movable pedestal 422 is in close proximity to the first ingot 417, and an end of spring 432 is connected and spring 432 with movable pedestal 422 It is not deformed, and the second arm 434b of Rocker arm 4 34 free end be located at of a relatively high position and it is relatively close be arranged on it is movable The 3rd ingot 426 on pedestal 422, and the first ingot 417, the second ingot 418 and the 3rd ingot 426 do not rotate.

Then, can start plus play rubbing device 400, make the first ingot 417 of fixed friction ingot group 410 and the second ingot 418, also There is the 3rd ingot 426 of movable friction ingot group 420 with predetermined rotational speed.In detail, control unit (not shown) is by signal The first driving source 414 is passed to, the first driving source 414 is operated.The wheel of the belt pulley 416 being connected with the first driving source 414 416a is operated and rotated by the first driving source 414, and drives the first belt 416b to rotate simultaneously, and then is allowed by the first belt 416b The first ingot 417 being arranged and then is rotated.At the same time, while being arranged the of the first ingot 417, the second ingot 418 and the 3rd ingot 426 Two belts 419 are also driven the second ingot 418 and the 3rd ingot 426 to rotate by the rotation of the first ingot 417.

Fig. 3 A are plus play the fixed friction ingot group of rubbing device with respect to the schematic perspective view that movable friction ingot group is opened, and scheme 3B is plus plays the fixed friction ingot group of rubbing device with respect to the schematic diagram that movable friction ingot group is opened.Please also refer to Fig. 3 A and figure 3B, when being intended to when adding bullet program to add new silk thread, can give the first driving source by control unit (not shown) by signal transmission 414, make the first driving source 414 drive movable pedestal 422 to be relatively fixed pedestal 412 and be moved linearly by and away from the first ingot 417.In In the present embodiment, movable pedestal 422 is relatively fixed the surface that the mode that pedestal 412 is moved linearly by is movable pedestal 422 and connects The surface and the surface along fixed base 412 for touching fixed base 412 are moved.In addition, being provided with the second driving source In embodiment, control unit (not shown) may replace by signal transmission to the second driving source, be used to drive movable pedestal 422 complete Into above-mentioned action.

Behind the position that movable pedestal 422 moves to acquiescence, movable friction ingot group 420 is to open with fixed friction ingot group 410 The state for opening, the silk thread that just can be now intended to processing is drawn between the first ingot 417, the second ingot 418 and the 3rd ingot 426, Wherein can be by mechanical arm from the silk thread to be processed of top traction for adding bullet rubbing device 400.

Movable pedestal 422 be relatively fixed pedestal 412 start it is linear mobile to open while, control unit also transmits letter Number notice servo motor, and servo motor reduces the velocity of rotation of the wheel 416a of belt pulley 416 after signal is received, while Reduced with by the rotating speed of the first ingot 417, the second ingot 418 and the 3rd ingot 426 by the first belt 416b and the second belt 419 To predetermined rotating speed.

It is preferred that the rotating speed of the first ingot 417, the second ingot 418 and the 3rd ingot 426 downgrade can be it is gradual, i.e., The distance that the first ingot 417 is relatively distant from movable pedestal 422 is bigger and rotating speed is smaller.

Specifically, in the state of unlatching, first ingot 417 and the second ingot 418 of fixed friction ingot group 410 with movably rub The 3rd ingot 426 for wiping ingot group 420 is still constantly to rotate and be not off rotating, wherein the velocity of rotation of the ingot under opening Less than the velocity of rotation of ingot in closed state.

In the state of movable pedestal 422 is relatively fixed the unlatching of pedestal 412, movable pedestal 422 is relatively distant from the first ingot 417, and an end of spring 432 is connected and the deformation that is stretched with movable pedestal 422.By the connecting portion of Rocker arm 4 34 434c is articulated in movable pedestal 422, and Rocker arm 4 34 can be rotated with articulated section as center of rotation, thus Rocker arm 4 34 the first arm 434a is located at higher position compared to closure state, and the second arm 434b of Rocker arm 4 34 is located at lower compared to closure state, And the constant gallow pultensile shock test 436 being provided on the second arm 434b still contacts the second belt 419, to maintain the second belt 419 tension force.

After confirming that the silk thread to be processed draws plus plays rubbing device 400, control unit delivers a signal to the again One driving source 414 (or second driving source), with allow the first driving source 414 (or second driving source) drive movable pedestal 422 towards First ingot 417 is moved linearly by closing.With the reset of movable pedestal 422, Rocker arm 4 34 rotates back to original position, and spring 432 Recover shape.At the same time, control unit also delivers a signal to the first driving source 414, allows the first driving source 414 to accelerate the first ingot 417th, the velocity of rotation of the second ingot 418 and the 3rd ingot 426 is to default value.Likewise, the first ingot 417, the second ingot 418 and the 3rd ingot 426 can also be that rotating speed is bigger as the distance of relatively close first ingot 417 of movable pedestal 422 is smaller.

In aforementioned process, the start of the first driving source 414 and the second driving source is controlled by control unit, and can be with To be built among control unit in control technique sequence, and arrange in pairs or groups sensor 440 to use.Therefore, in movable pedestal 422 relative to fixation Pedestal 412 is linearly mobile to open and to be intended to after the silk thread of processing draws plus play in rubbing device 400, and movable pedestal 422 is again It is secondary to be relatively fixed the linearly mobile process to close of pedestal 412, can use to manpower.Therefore, contribute to plus bullet Programming automation.

In sum, of the present utility model plus bullet rubbing device solves artificial unhandy problem, it is adaptable to automatic Chemical industry skill.Further, since the distraction procedure of the silk thread to be processed does not need manpower, therefore operating personnel can be avoided injured.

Furthermore, movable friction ingot group is in opening to import during silk thread to be processed relative to fixed friction ingot group, First ingot and the second ingot and the 3rd ingot maintain to rotate with low speed, therefore until movable pedestal is returned to after silk thread is imported and finished It is in situ can be compared with ingot from static short to the stand-by period rotated with preset rotation speed with stand-by period for returning to work.

Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (8)

1. a kind of plus bullet rubbing device, it is characterised in that including：

Fixed friction ingot group；And

Movable friction ingot group, can be moved linearly by with relatively described fixed friction ingot group closure or openness, wherein in the shape opened First ingot and the second ingot of the fixed friction ingot group are persistently rotated with the 3rd ingot of the movable friction ingot group during state, and are rotated First ingot, described second of the speed less than the fixed friction ingot group and the movable friction ingot group in the state for closing The velocity of rotation of ingot and the 3rd ingot.

2. according to claim 1 plus bullet rubbing device, it is characterised in that the fixed friction ingot group includes：

Fixed base；

First driving source, is installed on the fixed base；

Belt pulley, is fixed on the side of the fixed base, is connected with first driving source；

First ingot, the first belt sleeve of the belt pulley is used to drive first ingot on the axle of first ingot Rotate；

Second ingot, neighbouring first ingot is set；And

Second belt, is sheathed on the axle of the axle of first ingot and second ingot.

3. according to claim 2 plus bullet rubbing device, it is characterised in that first driving source is servo motor.

4. according to claim 2 plus bullet rubbing device, it is characterised in that the movable friction ingot group includes：

Movable pedestal, can linearly move relative to the fixed base；And

3rd ingot, is arranged on the movable pedestal, it is characterised in that second belt is also sheathed on the 3rd ingot Axle on.

5. according to claim 4 plus bullet rubbing device, it is characterised in that also including the second driving source, it is movable with described Pedestal connect, be used to drive the movable pedestal move relative to the fixed base, wherein second driving source be magnetic valve, Pneumatic cylinder or electric cylinder.

6. according to claim 4 plus bullet rubbing device, it is characterised in that also including belt tension module, including：

Spring a, end is connected to the fixed base；And

Rocking arm, with the first arm, the second arm and makes the connection that first arm and second arm are connected with each other Portion, wherein connecting portion pivot joint be arranged at the movable pedestal, and the free end of first arm and the spring Another end is connected, the second belt described in the free end in contact of second arm.

7. according to claim 6 plus bullet rubbing device, it is characterised in that the belt tension module also includes that tension force is lazy Wheel, is arranged on the free end of second arm of the rocking arm, wherein the gallow pultensile shock test contacts second belt.

8. it is according to claim 1 plus play rubbing device, it is characterised in that also including sensor, be used to sense it is described can Fiber tension when dynamic friction ingot group is operated.