CN205115716U - A install, doff ware holder and ring spinning machine for shifting yarn bobbin - Google Patents
A install, doff ware holder and ring spinning machine for shifting yarn bobbin Download PDFInfo
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- CN205115716U CN205115716U CN201520313967.5U CN201520313967U CN205115716U CN 205115716 U CN205115716 U CN 205115716U CN 201520313967 U CN201520313967 U CN 201520313967U CN 205115716 U CN205115716 U CN 205115716U
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- doffer
- clamper
- yarn bobbin
- spindle
- holding element
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Abstract
The utility model relates to an install, doff ware holder and ring spinning machine for shifting yarn bobbin. Device (28) is used for transferring to the predetermined operating position on spindle (2) of ring spinning machine (1) with yarn bobbin (6), on wherein spindle (2) are transferred to through doff ware holder (8) in yarn bobbin (6) to be used for the fastening in doff ware holder (8) device (28) is including holding element (29) and be provided with elastic element (40). Holding element (29) and elastic element (40) design is as an organic whole to prevent the fibre flyings gather influences device (28) negatively on device (28) function between the operating period. Doff ware holder (8) include a device for shifting the yarn bobbin. Furthermore, ring spinning machine (1) includes the ware holder doffs.
Description
Technical field
The utility model relates to a kind of device for yarn bobbin being transferred to the predetermined work position on the spindle of ring spinning machine, wherein yarn bobbin is transferred on spindle by doffer clamper, and comprises holding element for the described device be fastened on doffer clamper and be provided with flexible member.
Background technology
Current ring spinning machine is assigned doffer slide rail in its both sides, and described doffer slide rail extends along the longitudinal direction of machine.Doffer clamper is arranged in one, interval spindle distance on doffer slide rail, and described doffer slide rail can be driven by means of elevating lever and regulate.Doffer clamper is provided with the cylindrical recess of the end regions for yarn cylinder or yarn bobbin separately, and comprise separately such as can the clamping element of pneumatic control, and described clamping element clamps yarn cylinder or yarn bobbin on the outside of yarn cylinder or yarn bobbin.In order to change with the empty yarn bobbin be arranged on the reception bolt of transport the full yarn cylinder be seated on spindle, doffer clamper clamps the full yarn cylinder be seated on spindle at first, and they are transferred to transport.Next, doffer clamper, by means of the vertical descending motion performed by doffer slide rail, moves to sky yarn bobbin.By the actuating of the clamping element of doffer clamper, empty yarn bobbin is clamped on its outer peripheral edge, and transfers to the predetermined work position on spindle via doffer slide rail.Due to the thermal expansion at the elevating lever place of doffer slide rail, doffer slide rail is at its vertical position-along the longitudinal direction-have tolerance of machine, and namely doffer slide rail is not the longitudinal direction accurately horizontal-extending along machine.As a result, the tool doffer clamper be arranged on doffer slide rail at regular intervals occupies various vertical position betwixt.Therefore, the empty yarn bobbin arranged on a conveyor is clamped at different vertical position.As its result, when yarn bobbin is transferred on spindle, yarn bobbin is not accurately be positioned on spindle, therefore, when the clamping element of doffer clamper is released, between the bottom of yarn bobbin and spindle substrate, there is axial gap.Because there is frictional connection between yarn bobbin and spindle, so the shortage in weight of individual yarn bobbin is automatically to move specific yarn bobbin, put in spindle substrate with toilet seat.This dislocation of yarn bobbin on spindle has negative effect for the formation of yarn cylinder in spinning process.
In order to tackle the problems referred to above of the thermal expansion of elevating lever, developing a kind of device for doffer clamper, by means of it, the dislocation of yarn bobbin on spindle can be prevented.By means of this device be described in TR200904846U, yarn bobbin can accurately be positioned on spindle, thus prevents form axial gap between the bottom of yarn bobbin and spindle substrate.This device comprises holding element, spiral disc spring and base members, and wherein said device is removably fastened on the upper end of doffer clamper by means of holding element.Spiral disc spring is arranged between holding element and base members, and can be elastically compressed by means of the base members be arranged on movably on holding element.At the first operating position of this device, wherein doffer clamper moves to the yarn bobbin be arranged on the reception bolt of transport via vertical descending motion, and base members in axial direction moves via the upper end of yarn bobbin.As its result, spiral disc spring is compressed, and is loaded via base members.At this operating position, yarn bobbin is clamped by the clamping element of doffer clamper on its outer peripheral edge, and transfers on spindle by means of doffer slide rail.At the second operating position of this device, wherein yarn bobbin is transferred on spindle by means of doffer slide rail, by unclamping clamping element from specific doffer clamper release yarn bobbin.The locking of the spiral disc spring be preloaded is eliminated thus, makes yarn bobbin be pressed against under spring force on specific spindle thus, until the complete seat of this spindle is put in spindle substrate.Therefore the bottom of yarn bobbin and the axial gap relevant with tolerance between spindle substrate can be compensated.
In said apparatus, there is following risk, namely fiber flyings may gather in a device during operation.As a result, the predetermined work position reliably transferred to by yarn bobbin on the spindle of ring spinning machine can not always be guaranteed.Therefore, be necessary to clean this device after certain operating time of ring spinning machine, this can cause long machine idle time.In addition, this device has high production cost due to its design.In addition, when being necessary to compensate high tolerance on its vertical position of doffer slide rail, the said method for yarn bobbin being transferred to the predetermined work position on the spindle of ring spinning machine has been proved to be disadvantageous.
Utility model content
Therefore, the purpose of this utility model eliminates for yarn bobbin being transferred to the well known device of predetermined work position on the spindle of ring spinning machine and the shortcoming of known method.
According to the utility model, by holding element and flexible member are designed to integral piece and achieve this object.In this case, term " integral piece " means holding element and flexible member interconnects regularly, such as, in the form of individual plastic injection-molded parts.Due to the unitary design of device, can cancellation element during operation by risk that fiber flyings block.
At the first operating position of this device, wherein doffer clamper moves to the yarn bobbin be arranged on the reception bolt of transport via vertical descending motion, and flexible member is left its neutral position by flexure, and is preloaded via the upper end of yarn bobbin.Due to its elastic performance, the restoring force of flexible member is incorporated into its neutral position by the flexure of flexible member.Formed with prior art and contrast, flexible member directly contacts with the upper end of yarn bobbin in this case.At this operating position of device, yarn bobbin is clamped by the clamping element of doffer clamper on its outer peripheral edge, and its elastic element is maintained at its preload position.Specific doffer clamper is transferred in the region of spindle by means of doffer slide rail, and yarn bobbin is placed on spindle.At this operating position of device, wherein yarn bobbin is discharged on spindle by release clamping element by specific doffer clamper, and flexible member is released, and namely flexible member turns back to its neutral position.Thus, completely by means of the restoring force of flexible member, yarn bobbin is pressed on spindle.Therefore compensate for the bottom of yarn bobbin and the axial gap relevant with tolerance between spindle substrate.
The more simple designs of the unitary design of device also implement device, contrasting because formed with prior art, eliminating the additional spiral disc spring used for generating pressing force.Therefore can with lower cost manufacturing installation.
In addition, be proved and effectively made holding element have U-shaped design, made holding element around a part for the outer peripheral edge of doffer clamper.The advantage that the U-shaped embodiment of holding element has is, by radially pulling from doffer clamper releasing device.Therefore device can be arranged on doffer clamper or from doffer clamper like a cork and rapidly and unload.About this point, when holding element is around the periphery of 90 °-270 ° of doffer clamper, be also proved to be favourable.Thus prevent device to automatically disengage during operation.
In addition, be favourable when holding element can coordinate and be removably mounted on doffer clamper by means of positive locking.Positive locking cooperation can be designed to such as be connected together in this case, and holding element is in axial direction fixed on doffer clamper by it, and/or relative to doffer clamper completely circumferentially location, direction holding element.Thus prevent device to depart from during operation.
When holding element comprises the leg of two flexible deflections, be also favourable.The end of two legs is provided with spacing betwixt, and it is less than the largest outer dimension of doffer clamper.In order to device being arranged on doffer clamper, two ends of leg by cunning time, bend momently via elastic deflection and leave its neutral position, particularly flexure is to such degree, i.e. spacing between the end of two legs corresponds to the maximum outside diameter of doffer clamper.After the largest outer dimension exceeding doffer clamper, leg returns neutral position because of its elasticity.At neutral position, two leg end sections ground is around the outer peripheral edge of doffer clamper.By means of the leg of flexible deflection, unload by being radially pressed on doffer clamper or from doffer clamper, by device like a cork and be promptly installed on doffer clamper or from doffer clamper and unload.In addition, the end of two legs has elevated regions within it separately on the surface, and wherein said elevated regions joins in the recess on the outer peripheral edge being arranged at doffer clamper between the installation period of device.Which ensure that device is accurately located in circumferential direction relative to doffer clamper.
About this point, when holding element its periphery at least partially on there is recess to be fixed on vertically on doffer clamper by device time, be also proved to be favourable.Described inner surface is the surface of the outer surface towards doffer clamper.On doffer clamper, recess doffer clamper periphery at least partially on, be centered around the elevated regions that the outer surface of doffer clamper extends.
Also advantageously, flexible member is designed to elastic tongue, described elastic tongue by leg around region on extend.In the mounted state, be the interior zone of doffer clamper by encircled area, hold spindle pipe wherein.Elastic tongue, being reached to a certain degree by extension on encircled area, makes the end of elastic tongue can be seated on the top side of spindle pipe, is just in time in its center.As a result, elastic tongue is left its neutral position by yarn bobbin flexure and is reached at utmost, and subsequently along the axial direction of yarn bobbin, can apply maximum pressing force on yarn bobbin.In order to allow high pressing force to be applied on spindle pipe, elastic tongue advantageously extends the tie point away from two legs, makes convex tongue end point to the direction of the end of two legs.
In addition, when holding element can be removably mounted on doffer clamper by means of positive locking cooperation, be proved to be favourable.Positive locking cooperation can be designed to such as be connected together in this case, holding element can be inserted on doffer clamper whereby.Positive locking cooperation also can be designed to such as make holding element by means of the guiding piece be arranged on doffer clamper, can be arranged on doffer clamper.Coordinated by positive locking, device can be arranged on doffer clamper or from doffer clamper like a cork and rapidly and unload.
In addition, when holding element has profiling portion section (profiledsection) for being removably fastened on doffer clamper, be favourable.Profiling portion section has recess, and it is compassingly set at the elevated regions on doffer clamper when device is mounted.It is also possible that profiling portion section has elevated regions, it joins in the recess be arranged on doffer clamper when device is mounted.Profiling portion section makes likely to be slided into by device on the guiding piece that is arranged on doffer clamper.As a result, device can be installed to like a cork and rapidly on doffer clamper or from doffer clamper and unload.
In addition, when flexible member is designed to elastic tongue, be favourable.In the mounted state, elastic tongue extends on cylindrical recess via its free end, and yarn bobbin inserts in described cylindrical recess, to transfer on spindle.Elastic tongue extends on cylindrical recess, so that during the transfer of yarn bobbin, sets up and contact between the free end and the upper end of yarn bobbin of elastic tongue.Elastic tongue makes likely on yarn bobbin, to apply high pressing force.
When holding element is designed to ring, also confirmed is favourable.As a result, device can be inserted on doffer clamper, such as, by means of being connected together, or can be fastened in doffer clamper in the region of cylindrical recess, such as, by means of being clamped and connected.Advantageously, flexible member is designed to resilient disc or elastic tongue, its extend to by collar around region in, or by collar around region on extend.Resilient disc or elastic tongue extend to by collar around region in or by collar around region on extend, degree reaches and makes at yarn bobbin to during the predetermined work position transfer on spindle, sets up and contact between the free end and the upper end of yarn bobbin of resilient disc or elastic tongue.Resilient disc and elastic tongue make likely on yarn bobbin, to apply high pressing force.
In addition, according to the present invention, also described object is realized by the method for yarn bobbin being transferred to the predetermined work position on the spindle of ring spinning machine." predetermined work position " is intended to represent such position, puts in the spindle substrate of spindle via its bottom seat at this position yarn bobbin.Method of the present invention has following methods step.In the first method step, by the yarn bobbin on doffer gripper transport, its elastic element is arranged on doffer clamper.In the second method step, by doffer clamper yarn bobbin transferred to the delivery position on spindle.At this delivery position, in a method step again, by doffer clamper release yarn bobbin.Due to doffer slide rail along the longitudinal direction of machine in the tolerance of its vertical position, delivery position is at many spinning station place and do not correspond to predetermined work position, and namely at many spinning station place, yarn bobbin is not accurately transferred to predetermined work position.At these spinning position places, between the bottom of yarn bobbin and spindle substrate, there is axial gap.Because there is frictional connection between yarn bobbin and spindle, so the shortage in weight of individual yarn bobbin is automatically to move specific yarn bobbin, puts in spindle substrate with toilet seat, namely enter predetermined work position.Therefore in final method step, by controlled decline, doffer clamper is inserted the position below delivery position.Meanwhile, the upper end of yarn bobbin is loaded by the flexible member of the doffer clamper direction along spindle substrate, and make yarn bobbin be pressed against on spindle thus, namely yarn bobbin is placed into predetermined work position.In order to implement described method, for doffer clamper device of the present invention can be set or from the known device of prior art.When the high tolerance of doffer slide rail on its vertical position can be compensated, described method has been proved to be favourable.
Accompanying drawing explanation
From the following description to the embodiment of three shown in accompanying drawing, some features more of the present invention will become apparent.
In accompanying drawing:
Fig. 1 shows the cross section of the ring spinning machine schematically shown comprising the device belonging to prior art,
Fig. 2 shows the side view of the ring spinning machine of Fig. 1,
Fig. 3 shows the cross section diagram of the spindle with yarn bobbin and the doffer clamper not having described device,
Fig. 4 shows the decomposition diagram of the device belonging to prior art,
Fig. 5 shows the perspective view of the doffer clamper of the device comprising Fig. 4,
Fig. 6 shows the perspective view of first device of the present invention, and
Fig. 7 shows the cross section diagram of the spindle comprising yarn bobbin and the doffer clamper with the first device of the present invention shown in Fig. 6,
Fig. 8 shows the cross section diagram of the spindle comprising yarn bobbin and the doffer clamper comprising the second device of the present invention,
Fig. 9 shows the top view of the assembly of Fig. 8,
Figure 10 shows the cross section diagram of the spindle comprising yarn bobbin and the doffer clamper comprising the 3rd device of the present invention, and
Figure 11 shows the top view of the assembly of Figure 10.
Detailed description of the invention
Ring spinning machine shown in Fig. 1 comprises the multiple spindles (or axle) 2 being positioned at machine both sides, and described spindle configures in a row adjacent to each other, is supported in spindle frame 3, and is driven in the mode be not shown specifically.The both sides of machine are provided with doffer clamper device 4, for automatically unloading pipe 5 and the empty yarn bobbin 6 of Auto-mounting.Be in the operational phase on the right side of machine shown in Fig. 1, that is, all spindles 2 carry out spinning process.Doffer clamper device 4 is positioned at neutral position.But be in the stage of packaging change on the left of the machine shown in Fig. 1, its operating sequence will further illustrate following.Doffer clamper device 4 is in mobile phase, and its hollow yarn bobbin 6 moves to spindle 2 (full yarn cylinder 5 unloads in advance from it), and mounted thereto.
Doffer clamper device 4 comprises doffer slide rail 7, and its longitudinal direction along machine extends.Multiple doffer clamper 8 is arranged in one, interval spindle distance on doffer slide rail 7, and wherein the quantity of doffer clamper corresponds to the quantity of the spindle 2 of ring spinning machine 1.
The doffer slide rail 7 of the every side of machine is kept by scissors-type connecting piece, and described scissors-type connecting piece is formed by multiple supporting arm 9 and multiple elevating lever 10, as shown in Figure 2.The supporting arm 9 be arranged in hinged way on doffer slide rail 7 extends to threaded mandrel 11 from doffer slide rail 7, and described threaded mandrel 11 extends along machine longitudinal direction, and is provided with spindle nut 12 thereon, and described spindle nut is connected to supporting arm 9.Elevating lever 10 acts on supporting arm 9 in hinged way, roughly acts on center, and the At The Height being arranged in threaded mandrel 11 is static.By means of the corresponding rotary actuation of threaded mandrel 11, therefore doffer slide rail 7 can shift out from dip (Fig. 1, right side), and enters raised position (Fig. 1, left side).
In addition, doffer slide rail 7 can be transverse to the longitudinal direction retraction of machine and stretch out.In order to this retraction with stretch out, it is implemented as moving pivotally in the present example embodiment, can around axis 13 namely around threaded mandrel 11 pivotable doffer clamper 7 and scissor-shaped connecting piece thereof, described axis 13 extends along the longitudinal direction of machine, and described threaded mandrel 11 is positioned adjacent to substrate.For this reason, the scissor-shaped connecting piece of doffer slide rail 7 is provided with lever 14, and it is inwardly given prominence to towards the inside of machine, and drive unit 15 acts on described lever, and wherein this drive unit only illustrates the right side of machine in FIG.Such as, hydraulic cylinder is provided as such drive unit 15, and is connected to pressure medium supply unit by means of controlled valve.
For sending sky yarn bobbin 6 and the transport 16 taking away full yarn cylinder 5 extends below spindle frame 3 in both sides.As long as spinning process is carrying out and doffer clamper device 4 is in neutral position (Fig. 1, the right side of machine), then will send sky yarn bobbin 6.Transport 16 comprises such as conveyer belt 17, and it in every side circulation of machine, and is provided with reception bolt 18, and empty yarn bobbin 6 or full yarn cylinder 5 can be installed on described reception bolt 18.The quantity receiving bolt 18 corresponds to the twice of the quantity of the spindle 2 of the every side of machine.They are arranged to the half of spindle distance spaced apart.Therefore transport 16 is arranged to over-over mode, to receive bolt 18 to hold the yarn cylinder 5 of taking-up and to hold yarn bobbin 6 to be installed.
The design of the doffer clamper 8 of doffer clamper device 4 is obvious especially in figure 3.Doffer clamper 8 is vertically on fastening doffer slide rail 7, and it is not shown in the drawings, and extends along the longitudinal direction of machine.Doffer clamper 8 can be fastened on doffer slide rail 7, such as, connect by means of ratchet.The doffer clamper 8 be made of plastics comprises the cylindrical recess 19 for yarn cylinder 5 or yarn bobbin 6.In cylindrical recess 19, be provided with clamping element 20, its direction along four-headed arrow 21 is moveable.Clamping element 20 can move by means of pneumatic means 22.Clamping element 20 makes the end regions 23 likely clamping yarn the cylinder 5 or yarn bobbin 6 inserted the inside of doffer clamper 8 from outside.
Due to the thermal expansion at doffer elevating lever 10 place, doffer slide rail 7 is at its vertical position 24 (Fig. 2)-along the longitudinal direction-have tolerance of machine, and namely doffer slide rail 7 is not the longitudinal direction accurately horizontal-extending along machine.As a result, the tool doffer clamper 8 be arranged on doffer clamper slide rail 7 at regular intervals occupies various vertical position betwixt.Therefore, the empty yarn bobbin 6 on transport 16 is clamped at different vertical position places in its end regions 23.As its result, as shown in Figure 3, yarn bobbin 6 when being transferred on spindle, at the fastening effect of clamping element 20 still in effective situation, in axial direction be not positioned at completely on spindle 2, namely between the bottom 26 and spindle substrate 27 of yarn bobbin 6, there is axial gap 25.When fastening effect is released, yarn bobbin 6 remains on this axial location relative to spindle 2, because the shortage in weight of yarn bobbin 6 is automatically seated in spindle substrate 27 with the frictional force overcome between yarn bobbin 6 and spindle 2.This dislocation of yarn bobbin 6 on spindle 2 for spinning process in the formation of yarn cylinder there is negative effect.
Fig. 4 shows the decomposition diagram of the device 28 belonging to prior art.The dislocation of yarn bobbin 6 on spindle 2 can be prevented by means of device 28.Device 28 comprises hat holding element 29, spiral disc spring 30 and base members 31.Device 28 can be fastened on upper end 32 place of the periphery of doffer clamper 8 by means of holding element 29, as shown in Figure 5.In this case, realize fastening by means of ratchet connection, it does not illustrate in greater detail.Holding element 29 has center channel hole 34 on its top side 33, and has and be arranged to and four of via hole radial separation path grooves 35.On the contrary, base members 31 comprises cylinder bolt 36 and four guiding lugs 37 of setting placed in the middle, and described four guide lugs 37 to be arranged on the periphery of base members 31 and cylinder bolt 36 radial separation.Base members 31 is via the cylinder bolt 36 extended in the via hole 34 of holding element 29 and path groove 35 and guide lug 37, is bearing in movably on holding element 29.Guide on its free end of each leisure of lug 37 and comprise locking member 38.Base members 31 is fixed on holding element 29 vertically via locking member 38.Spiral disc spring 30 is arranged between base members 31 and holding element 29, and can be compressed by means of base members 31.
At the first operating position of device 28, wherein doffer clamper 8 moves to the yarn bobbin 6 be arranged on the reception bolt 18 of transport 16 via vertical descending motion, and base members 31 in axial direction moves via the upper end 39 of yarn bobbin 6.Spiral disc spring 30 to be pressed against on holding element 29 by base members 31 thus and is preloaded.In this position, yarn bobbin 6 is clamped by clamping element 20 on its outer peripheral edge, and spiral disc spring 30 is locked in its preload position.Next, yarn bobbin 6 is transferred to spindle 2 by means of doffer clamper device 4.Second operating position being locked in device 28 of spiral disc spring 30 is discharged, and wherein yarn bobbin 6 is released on spindle 2 by release clamping element 20 by doffer clamper 8.Yarn bobbin 6 is forced on spindle 2 by means of the spring force of spiral disc spring 30 completely, until yarn bobbin is seated in spindle substrate 27 completely, makes to be present in the bottom 26 of yarn bobbin 6 and be compensated to the axial gap 25 relevant with tolerance between spindle substrate 27.
Relative to said apparatus 28, possible rough sledding is, fiber flyings may accumulate in device 28 during operation, therefore always can not guarantee that device 28 plays function consistently, reliably.
Fig. 6 shows the perspective view of first device 28 of the present invention.Device 28 is designed to integral piece, and is formed with the device 28 (Fig. 4) of prior art and contrast, and only comprises a holding element 29 and a flexible member 40.Holding element 29 and flexible member 40 interconnect regularly.Holding element 29 is U-shapeds, and comprises the leg 41 of two flexible deflections.The end 42 of two legs 41 is provided with spacing 43 betwixt, and it is less than the largest outer dimension of doffer clamper 8.In order to device 28 being arranged on doffer clamper 8 (Fig. 7), two ends 42 of leg 41 are when sliding on doffer clamper 8, its neutral position is left in flexure momently, particularly flexure is to such degree, and namely the spacing 43 of the end 42 of two legs corresponds to the maximum outside diameter of doffer clamper 8.After the largest outer dimension exceeding doffer clamper 8, leg 41 turns back to neutral position because of its elasticity.At neutral position, two legs 41 are partly around the outer peripheral edge of doffer clamper 8.In addition, the end 42 of two legs 41 has elevated regions 45 within it separately on the surface, and wherein said elevated regions, between the installation period of device 28, joins (not shown) in the recess on the outer peripheral edge being arranged at doffer clamper 8 to.Elevated regions 45 guarantees that device 28 is accurately located in circumferential direction relative to doffer clamper 8.
Holding element 29 its periphery at least partially on there is recess 47, so that device 28 is fixed on (Fig. 7) on doffer clamper 8 vertically.On doffer clamper 8, recess 47 doffer clamper 8 periphery at least partially on, be centered around the elevated regions 48 that the outer peripheral edge of doffer clamper 8 extends.
Flexible member 40 is designed to elastic tongue 49, and it extends the tie point away from two legs 41 on holding element 29.Elastic tongue 49 by leg 41 around region 50 on extend, the direction of the end 42 of two legs 41 is pointed in the end 51 of its convexity tongue.Elastic tongue 49, being reached to a certain degree by extension on encircled area 50, makes the end 42 of elastic tongue 49 can be seated on the top side of spindle pipe 39, is just in time in its center (Fig. 7).As a result, elastic tongue 49 is left its neutral position by yarn bobbin 6 flexure and is reached at utmost, and can apply maximum pressing force 52 on yarn bobbin 6.
Due to the unitary design of device 28, can cancellation element 28 during operation by risk that fiber flyings block.The more simple designs of the unitary design of device 28 also implement device 28, contrasting because formed with prior art (Fig. 4), eliminating the additional spiral disc spring 30 used for generating pressing force 52.
The operator scheme of device 28 is described below.In order to change full yarn cylinder 5 with empty yarn bobbin 6, first unload full yarn cylinder 5 in the side of ring spinning machine 1 from spindle 2.For this reason, the doffer slide rail 7 of doffer clamper device 4 is moved to the position above yarn cylinder 5, doffer clamper 8 is located coaxially relative to spindle 2.Then implement vertical descending motion, wherein the end regions of yarn cylinder 5 inserts in the recess 19 of doffer clamper 8.
Along with doffer clamper device 4 continues descending motion, the end regions 23 of yarn cylinder 5 arrives the depths of the recess 19 of doffer clamper 8.In this position, the end regions 23 of yarn cylinder 5 can be able to the clamping element 20 of pneumatic control be clamped, and described clamping element 20 is from outside clamping yarn cylinder 5.Next, doffer clamper device 4 is left spindle 2 by all by yarn cylinder 5 lifting clamped, and they is delivered to the transport 16 be arranged on below spindle frame 3.Yarn cylinder 5 is placed into freely receiving on bolt 18 of transport 16.Then start the clamping element 20 of doffer clamper 8, the end regions 23 of yarn cylinder 5 is discharged.Then preliminary upwards rising doffer slide rail 7, then stretches out.
Before being clamped by doffer clamper device 4, empty yarn bobbin 6 is seated in (Fig. 5) on the reception bolt 18 of conveyer belt 17.During the vertical descending motion of doffer clamper device 4, the end regions 23 of yarn bobbin 6 inserts in the recess 19 of doffer clamper 8.The flexible member 40 of device 28 thus abut on the upper end 39 of yarn bobbin 6, and continue to send motion along with doffer slide rail 7, flexible member is left its neutral position 54 by flexure.Due to its elastic performance, the restoring force 52 of flexible member is incorporated into its neutral position 54 by the flexure 53 of flexible member 40.Formed with prior art (Fig. 4) and contrast, flexible member 40 directly contacts with the upper end 39 of yarn bobbin 6.After the vertical descending motion of doffer slide rail 7 and the prestrain of flexible member 40 terminate, yarn bobbin 6 is clamped by controlled clamping element 20 outside it.Then by doffer clamper device 4, yarn bobbin 6 is lifted away from reception bolt 17, and be delivered to the spindle 2 of ring spinning machine 1.At spindle 2 place, doffer clamper 8 discharges yarn bobbin 6 by release clamping element 20.The locking of flexible member 40 is discharged, and thus, elastic force makes flexible member 40 return to its neutral position 54.Thus, by means of the restoring force 52 of flexible member 40, yarn bobbin 6 is pressed on spindle 2.Therefore, the bottom 26 of yarn bobbin 6 may be present in be compensated (Fig. 3) to the axial gap 25 relevant with tolerance between spindle substrate 27.
Fig. 8 shows the cross section diagram of the spindle 2 comprising yarn bobbin 6 and the doffer clamper 8 with the second device 28 of the present invention.Device 28 is designed to integral piece, and comprises holding element 29 and flexible member 40.Holding element 29 and flexible member 40 interconnect regularly.Holding element 29 coordinates (positive-lockingfit) to be removably mounted on doffer clamper 8 by means of positive locking.Positive locking cooperation is designed such that doffer clamper 8 has guiding piece 55, and holding element 29 has profiling portion section 56, and it is designed to mate guiding piece 55.Guiding piece 55 is elevated regions 55, and profiling portion section 56 is the recesses 56 around elevated regions 55.Assembly process, device 28, by means of the profiling portion section 56 of holding element 29 (Fig. 9), slides on the guiding piece 55 that is arranged on doffer clamper 8.Flexible member 40 is designed to elastic tongue 49, and it extends on the cylindrical recess 19 of doffer clamper 8 via its free end 51.Elastic tongue 49 extends and reaches to a certain degree on cylindrical recess 19, contacts can set up between the free end 51 and the upper end 39 of yarn bobbin 6 of elastic tongue 49.The operator scheme of this device 28 is same as the aforesaid operations pattern of the device 28 of Fig. 6 and 7.
Figure 10 shows the cross section diagram of the spindle 2 comprising yarn bobbin 6 and the doffer clamper 8 comprising the 3rd device 28 of the present invention.Device 28 is designed to integral piece, and comprises holding element 29 and flexible member 40.Holding element 29 and flexible member 40 interconnect regularly.Holding element 29 is designed to ring, and it coordinates by means of positive locking or is connected together and is removably mounted on doffer clamper 8.Formed with the exemplary embodiment of Fig. 7 and 8 and contrast, flexible member 40 is designed to resilient disc 57, its by ring 29 around region 58 on or by cylindrical recess 19 (Figure 11) around space on extend.Resilient disc 57 thus complete by ring 29 around region 58 on or completely by cylindrical recess 19 around space on extend, thus make to set up between resilient disc 57 and the upper end 39 of yarn bobbin 6 to contact, yarn bobbin 6 is transferred to the predetermined work position on spindle 2.The operator scheme of this device 28 is same as the aforesaid operations pattern of the device 28 of Fig. 7 and 8, difference is, during the vertical descending motion of doffer clamper device 4, not elastic tongue 49 but resilient disc 57 leaves its neutral position by the flexure of the upper end 39 of yarn bobbin 6.
In order to allow the high tolerance of doffer slide rail 7 on its vertical position 24 to be compensated along machine longitudinal direction, be also proved method yarn bobbin 6 being transferred to the predetermined work position on spindle 2 advantageously using and there is following methods step.In the first method step, by the yarn bobbin 6 on doffer clamper 8 clamping convey device 16.Doffer clamper 8 has device of the present invention 28 as shown in Figure 7.In the second method step, by doffer clamper 8 yarn bobbin 6 transferred to payment (hand-off) position on spindle 2.At this delivery position, in a method step again, discharge yarn bobbin 6 by doffer clamper 8.Because doffer slide rail 7 is along the tolerance of longitudinal direction on its vertical position of machine, delivery position is at many spinning station place and do not correspond to predetermined work position, namely at many spinning station place, yarn bobbin 6 is not by the predetermined work position accurately transferred on spindle 2.At these spinning position places, between the bottom 26 and spindle substrate 27 of yarn bobbin 6, there is axial gap 25 (Fig. 3).Because there is frictional connection between yarn bobbin 6 and spindle 2, so the shortage in weight of individual yarn bobbin 6 is automatically to move specific yarn bobbin 6, puts in spindle substrate 27 with toilet seat, namely enter predetermined work position.Therefore in final method step, by controlled decline, doffer clamper 8 is inserted the position below delivery position.Meanwhile, loaded the upper end 39 of yarn bobbin 6 to the direction of spindle substrate 27 by the flexible member 40 of device 28.As a result, yarn bobbin 6 is pressed against on spindle 2, is namely placed into predetermined work position.
Claims (14)
1. one kind for shifting the device (28) of yarn bobbin, described device (28) is for transferring to the predetermined work position on the spindle (2) of ring spinning machine (1) by yarn bobbin (6), wherein yarn bobbin (6) is transferred on spindle (2) by doffer clamper (8), and comprise holding element (29) for the described device (28) be fastened on doffer clamper (8) and be provided with flexible member (40), it is characterized in that, described holding element (29) and flexible member (40) are designed to integral piece.
2. device according to claim 1, is characterized in that, described holding element (29) has U-shaped design.
3. device according to claim 2, is characterized in that, described holding element (29) can be removably mounted on doffer clamper (8) by means of positive locking cooperation.
4. the device according to Claims 2 or 3, is characterized in that, described holding element (29) comprises the leg (41) of two flexible deflections.
5. device according to claim 4, is characterized in that, described holding element (29) described holding element (29) periphery at least partially on there is recess (47).
6. device according to claim 4, it is characterized in that, described flexible member (40) is designed to elastic tongue (49), described elastic tongue (49) by described leg (41) around region (50) on extend.
7. device according to claim 1, is characterized in that, described holding element (29) can be removably mounted on doffer clamper (8) by means of positive locking cooperation.
8. device according to claim 7, is characterized in that, described holding element (29) has profiling portion section (56) for being removably fastened on doffer clamper (8).
9. device according to claim 8, is characterized in that, described flexible member (40) is designed to elastic tongue (49).
10. device according to claim 7, is characterized in that, described holding element (29) is designed to ring.
11. devices according to claim 10, it is characterized in that, described flexible member (40) is designed to resilient disc (57), described resilient disc (57) extend to by described ring (29) around region (58) in.
12. devices according to claim 10, it is characterized in that, described flexible member (40) is designed to resilient disc (57), described resilient disc (57) extend to by described ring (29) around region (58) on.
13. 1 kinds of doffer clampers (8), comprise the device (28) according to any one of claim 1-12.
14. 1 kinds of ring spinning machines (1), comprise doffer clamper (8) according to claim 13.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH00745/14 | 2014-05-16 | ||
| CH00745/14A CH709663A2 (en) | 2014-05-16 | 2014-05-16 | A device with a spring element for a Doffergreifer. |
| CH01131/14A CH709918A2 (en) | 2014-07-24 | 2014-07-24 | Apparatus for assisting the transfer of a bobbin in a predetermined working position on a spindle of a ring spinning machine. |
| CH01131/14 | 2014-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205115716U true CN205115716U (en) | 2016-03-30 |
Family
ID=54845687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520313967.5U Expired - Fee Related CN205115716U (en) | 2014-05-16 | 2015-05-15 | A install, doff ware holder and ring spinning machine for shifting yarn bobbin |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20150132025A (en) |
| CN (1) | CN205115716U (en) |
| TW (1) | TWI618670B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695423A (en) * | 2019-10-23 | 2021-04-23 | 卓郎纺织解决方案两合股份有限公司 | Ring spinning machine and pirn gripper device |
| CN114988219A (en) * | 2022-08-03 | 2022-09-02 | 江苏恒力通用装备有限公司 | Self-propelled flat yarn package upper tube all-in-one of unloading |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100189305B1 (en) * | 1995-11-28 | 1999-06-01 | 이소가이 치세이 | Lappet for spinning machines |
| JP3047838B2 (en) * | 1996-12-13 | 2000-06-05 | 村田機械株式会社 | Doffing system for false twisting machine |
| TW374076B (en) * | 1997-10-03 | 1999-11-11 | Murata Machinery Ltd | Method for identifying wound yarn on winders and method and apparatus for treating yarn ends |
-
2015
- 2015-05-06 TW TW104114377A patent/TWI618670B/en not_active IP Right Cessation
- 2015-05-15 KR KR1020150068075A patent/KR20150132025A/en unknown
- 2015-05-15 CN CN201520313967.5U patent/CN205115716U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695423A (en) * | 2019-10-23 | 2021-04-23 | 卓郎纺织解决方案两合股份有限公司 | Ring spinning machine and pirn gripper device |
| CN112695423B (en) * | 2019-10-23 | 2023-08-11 | 卓郎纺织解决方案两合股份有限公司 | Ring spinning machine and pirn gripping device |
| CN114988219A (en) * | 2022-08-03 | 2022-09-02 | 江苏恒力通用装备有限公司 | Self-propelled flat yarn package upper tube all-in-one of unloading |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150132025A (en) | 2015-11-25 |
| TWI618670B (en) | 2018-03-21 |
| TW201544437A (en) | 2015-12-01 |
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|---|---|---|---|
| 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: 20160330 Termination date: 20180515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |