Yarn breakage stopping device for loom
Technical Field
The utility model relates to a loom technical field especially relates to a yarn outage stop device for loom.
Background
The loom is a general name of a tool for weaving cloth after processing raw materials such as thread, silk, hemp and the like into silk threads. Such as spinning pendants, spinning wheels, spindles, pedal looms, modern mechanical looms, modern numerical control automatic looms and the like. The development of textile processes and equipment has been designed according to the textile raw materials, and therefore, the raw materials have an important position in the textile technology.
All yarns on the weaving machine are wound on the bobbins, the bobbins are located behind and above the yarn inlet area, all yarns are fed into the yarn inlet area at the same time, each yarn is controlled by an independent needle, independent yarns are automatically controlled to be fed by the yarn inlet area of the weaving machine when the weaving machine works, however, the yarn breakage phenomenon easily occurs in the passive paying-off process of the bobbins, however, when the yarn breakage occurs in a certain bobbin, workers cannot be timely reminded, the weaving machine is still in a running state, woven fabrics lack of participation of the yarns, produced woven fabrics are unqualified, serious waste on raw materials is caused, and the use requirements of users cannot be met.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a yarn outage stop device for loom has reached the purpose that can both stop automatically when making loom feeding yarn break suddenly, has guaranteed that the yarn can play the effect of reminding the warning when breaking to self-closing loom in the shut down state, the staff of being convenient for in time handles, has guaranteed the quality of knitting, has reduced the production rate of defective products.
(II) technical scheme
In order to realize the technical problem, the utility model provides a following technical scheme: a yarn breakage stopping device for a loom comprises a mounting plate, a slide rail, a slide block, a tension spring, a yarn guide wheel, a connecting plate, a positioning plate, an ejector rod, a loom, a contact switch, a rotary disc, a lead screw, a bobbin, a fastener, a first guide wheel, a second guide wheel, a limiting ring, a reset spring and a connecting piece, wherein the front position of the bottom of the inner wall of the mounting plate is fixedly connected with the bottom of the slide rail, the slide block is slidably mounted in the slide rail, the tension spring is positioned in the slide rail, the two ends of the tension spring are respectively fixedly connected with the left side of the slide block and the left side of the inner wall of the slide rail, the bottom of the yarn guide wheel is fixedly connected with the top of the slide block through a rod piece, the yarn guide wheel is positioned above the top of the mounting plate, the top of the connecting plate is fixedly connected with the bottom of the slide block, the top of locating plate and the left side fixed connection of mounting panel bottom, the other end of ejector pin runs through the intermediate position of locating plate and extends to its left side, mounting panel fixed mounting is on one side of loom, contact switch fixed mounting is on the loom, contact switch's right side and the left end of ejector pin are located collinear.
Furthermore, the bottom of the rotary table is rotatably connected with the middle position of the top of the mounting plate, and the middle position of the top of the rotary table is fixedly connected with one end of the screw rod.
Further, the bobbin is sleeved on the outer surface of the screw rod, the fastener is in threaded connection with the outer surface of the screw rod through threads, and the fastener is located above the top of the bobbin.
Furthermore, the bottoms of the first guide wheel and the second guide wheel are respectively fixedly connected with the front side and the rear side of the right side of the top of the mounting plate through supporting rods.
Furthermore, the limit ring is fixedly installed on the outer surface of the ejector rod, the limit ring is located on the right side of the locating plate, the reset spring is sleeved on the outer surface of the ejector rod, and two ends of the reset spring are fixedly connected with the right side of the locating plate and the left side of the limit ring respectively.
Furthermore, the connecting piece is fixedly installed on the left side of the installation plate, and a fixing hole used for matching with the bolt is formed in the connecting piece.
(III) advantageous effects
The utility model provides a yarn broken string stop device for loom possesses following beneficial effect:
1. the utility model has the advantages that the yarn drives the yarn guide wheel to be positioned at the rightmost side position due to the self tensioning state of the yarn, the slider is positioned at the rightmost side in the slide rail, the tension spring is in the stretching state, the left end of the ejector rod is positioned at the right side of the contact switch, when the yarn is broken, the yarn guide wheel loses the pulling force provided by the yarn, the tension spring is contracted and reset to the initial state, the slider slides to the left side in the slide rail, the ejector rod is driven to move to the left side by matching with the connecting plate to push and contact the contact switch, the contact switch is powered off by the acting force to force the loom to be powered off to stop, so the purpose that the feeding yarn of the loom can be automatically stopped when being suddenly broken is achieved, the yarn can play the role of warning when being broken, the loom is automatically closed to be in the stop state, the convenience is, the production rate of defective products is reduced.
2. The utility model discloses because the setting of carousel, lead screw and fastener, through the threaded connection between fastener and the lead screw, inserting the spool back on the lead screw, can form the restriction effect to the spool through the fastener of screwing, the rotatable state of cooperation carousel has guaranteed the normal clear of unwrapping wire, has avoided the spool to be in the emergence of the unable unwrapping wire phenomenon of rotation simultaneously, can be convenient for go on to the change of spool moreover, has improved change efficiency.
3. The utility model discloses because spacing ring and reset spring's setting, when ejector pin touching contact switch is in the outage closure, because the elastic force that restores to the throne of extension spring is greater than reset spring's elastic force, reset spring is in the contraction state this moment, and cooperate the elastic potential energy that forms after the reset spring shrink afterwards, can promote ejector pin and contact switch formation separation after the yarn resumes once more, the loom moves once more simultaneously, with this normal operating condition who has guaranteed the loom, can improve the automatic re-setting ability of whole device, the ability of follow-up automatic re-setting operation has been guaranteed.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
fig. 2 is a schematic view of the internal structure of the mounting plate of the present invention;
fig. 3 is a schematic structural diagram of the turntable of the present invention.
In the figure: 1. mounting a plate; 2. a slide rail; 3. a slider; 4. a tension spring; 5. a yarn guide wheel; 6. a connecting plate; 7. positioning a plate; 8. a top rod; 9. a loom; 10. a contact switch; 11. a turntable; 12. a screw rod; 13. a bobbin; 14. a fastener; 15. a first guide wheel; 16. a second guide wheel; 17. a limiting ring; 18. a return spring; 19. a connecting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a yarn breakage stopping device for a loom comprises a mounting plate 1, a slide rail 2, a slide block 3, a tension spring 4, a yarn guide wheel 5, a connecting plate 6, a positioning plate 7, an ejector rod 8, a loom 9, a contact switch 10, a rotary table 11, a lead screw 12, a bobbin 13, a fastening piece 14, a first guide wheel 15, a second guide wheel 16, a limiting ring 17, a reset spring 18 and a connecting piece 19, wherein the front position of the bottom of the inner wall of the mounting plate 1 is fixedly connected with the bottom of the slide rail 2, the slide block 3 is slidably mounted in the slide rail 2, the tension spring 4 is positioned in the slide rail 2, two ends of the tension spring 4 are respectively fixedly connected with the left side of the slide block 3 and the left side of the inner wall of the slide rail 2, the bottom of the yarn guide wheel 5 is fixedly connected with the top of the slide block 3 through a rod piece, the yarn guide wheel 5 is positioned above the top of the mounting plate 1, the, the left side of the connecting plate 6 is fixedly connected with one end of a top rod 8, the top of the positioning plate 7 is fixedly connected with the left side of the bottom of the mounting plate 1, the other end of the top rod 8 penetrates through the middle position of the positioning plate 7 and extends to the left side of the positioning plate, the mounting plate 1 is fixedly mounted on one side of a loom 9, a contact switch 10 is fixedly mounted on the loom 9, the right side of the contact switch 10 and the left end of the top rod 8 are positioned on the same straight line, the yarn of a spool 13 is guided by a first guide wheel 15, passes through a yarn guide wheel 5 and is matched with a second guide wheel 16 for guiding, then the yarn enters a yarn inlet area on the loom 9, the yarn drives the yarn guide wheel 5 to be positioned at the rightmost position due to the self-tensioning state, the slide block 3 is positioned at the rightmost side in the slide rail 2, the tension spring 4 is in a tension state, the left end of the top rod 8 is positioned at the right side, at the moment, the tension spring 4 is contracted and reset to an initial state, the sliding block 3 slides to the left side in the sliding rail 2, the connecting plate 6 is matched to drive the ejector rod 8 to move to the left side to push and contact the contact switch 10, the contact switch 10 is powered off by acting force to force the loom 9 to be powered off to stop, the purpose that the feeding yarn of the loom can be automatically stopped when being suddenly cut off is achieved, the effect of reminding and warning when the yarn is cut off is achieved, the loom is automatically closed in a stop state, the worker can conveniently and timely handle the yarn, the quality of the braided fabric is guaranteed, and the generation rate of defective products is reduced.
The bottom of the rotary table 11 is rotatably connected with the middle position of the top of the mounting plate 1, the middle position of the top of the rotary table 11 is fixedly connected with one end of a screw rod 12, a bobbin 13 is sleeved on the outer surface of the screw rod 12, a fastener 14 is in threaded connection with the outer surface of the screw rod 12 through threads, the fastener 14 is positioned above the top of the bobbin 13, due to the arrangement of the rotary table 11, the screw rod 12 and the fastener 14, through the threaded connection between the fastener 14 and the screw rod 12, after the bobbin 13 is inserted on the screw rod 12, the bobbin 13 can be limited by screwing the fastener 14, the normal operation of paying off is ensured by matching the rotatable state of the rotary table 11, the phenomenon that the bobbin 13 cannot pay off due to autorotation is avoided, the replacement of the bobbin 13 can be conveniently carried out, the replacement efficiency is improved, the bottoms of the first guide wheel 15 and the second guide wheel 16 are respectively and fixedly connected with the, the limiting ring 17 is fixedly arranged on the outer surface of the ejector rod 8, the limiting ring 17 is positioned on the right side of the positioning plate 7, the reset spring 18 is sleeved on the outer surface of the ejector rod 8, two ends of the reset spring 18 are respectively fixedly connected with the right side of the positioning plate 7 and the left side of the limiting ring 17, due to the arrangement of the limiting ring 17 and the reset spring 18, when the contact switch 10 touched by the ejector rod 8 is in power-off closing, as the reset elastic acting force of the tension spring 4 is larger than the elastic acting force of the reset spring 18, the reset spring 18 is in a contraction state at the moment, and then the elastic potential energy formed after the reset spring 18 contracts is matched, the ejector rod 8 can be pushed to be separated from the contact switch 10 after the yarn is restored again, and the loom can run again at the same time, so that the normal running state of the loom is ensured, the automatic resetting capability, the connecting piece 19 is fixedly arranged on the left side of the mounting plate 1, and the connecting piece 19 is provided with a fixing hole used for matching with a bolt.
In the using process, the yarn of the bobbin 13 is guided by the first guide wheel 15, passes through the yarn guide wheel 5 and is then guided by the second guide wheel 16, then the yarn enters a yarn inlet area on the loom 9, at the moment, the yarn drives the yarn guide wheel 5 to be positioned at the rightmost position due to the self-tensioning state of the yarn, the slide block 3 is positioned at the rightmost side in the slide rail 2, the tension spring 4 is positioned at the stretching state, the left end of the ejector rod 8 is positioned at the right side of the contact switch 10, when the yarn is broken, the yarn guide wheel 5 loses the tension force provided by the yarn, at the moment, the tension spring 4 is contracted and reset to the initial state, the slide block 3 slides to the left side in the slide rail 2, and simultaneously, the connecting plate 6 is matched to drive the ejector rod 8 to move to the left side to push and contact the contact switch 10 to be powered off under the action force to cut off the power of the loom 9 to stop the loom, so, the yarn is guaranteed to play a role in warning when broken, and the loom is automatically closed in a shutdown state.
The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.