SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tension adjusting device for false twisting machine is provided with suggestion device, and when the winding yarn volume of winding yarn axle reached the setting value, suggestion device can send acousto-optic cue signal and change empty winding yarn axle with the suggestion operator.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a tension adjusting device for false twisting machine, which comprises a frame, it is connected with the horizontally winding roller of axis to rotate in the frame, the circumference surface butt of winding roller has the compression roller, compression roller and frame sliding fit, the slip direction perpendicular to winding roller's of compression roller axis, the fixed suggestion device that is provided with in the frame, the suggestion device includes reputation prompting device and the battery with frame fixed connection, the frame deviates from the fixed switch module who is connected with reputation prompting device and battery electricity in one side of winding roller at the compression roller, and when the quantity of winding roller winding yarn reached the setting value, the compression roller drives the switch module closure. By adopting the technical scheme, the frame rotatably supports the yarn roller; in the process of winding the yarn by the yarn winding roller, the compression roller always presses against the circumferential surface of the yarn winding roller, so that the winding quality of the yarn is ensured; when the amount of the yarn wound by the yarn winding roller reaches a set value, the compression roller horizontally moves along the radial direction of the yarn winding roller and the direction deviating from the yarn winding roller to drive the switch assembly to be closed, after the switch assembly is closed, the circuit is switched on, the battery supplies power to the acousto-optic prompter, and the acousto-optic prompter can send an acousto-optic signal to prompt an operator to replace an empty yarn winding roller.
The utility model discloses further set up to: the both sides of compression roller are rotated and are connected with first pivot, and when the compression roller removed to the direction of switch subassembly, first pivot can drive the switch subassembly closure, and first pivot fixed connection has the horizontally bracing piece, and the first pivot of bracing piece perpendicular to extends to the direction of keeping away from the yarn roller, and the other end fixedly connected with sliding plate, sliding plate and frame sliding fit of compression roller are kept away from to the bracing piece.
By adopting the technical scheme, the compression roller can rotate around the axis of the compression roller by virtue of the first rotating shaft, the first rotating shaft supports the compression roller, and the sliding plate can support the compression roller by virtue of the supporting rod and the first rotating shaft; when the compression roller carries out horizontal migration, the compression roller can make the sliding plate carry out synchronous horizontal slip through first pivot and bracing piece, and when the compression roller carried out horizontal migration, first pivot can make switch module closed, makes the circuit switch-on, and then makes the reputation prompting device send reputation cue signal, and the suggestion operator changes empty package yarn roller.
The utility model discloses further set up to: and a second groove in the horizontal direction is formed in the inner surface of the side wall of the rack, and the sliding plate is in sliding fit with the second groove.
By adopting the technical scheme, the second groove supports the sliding plate, the sliding plate is fixedly connected with the compression roller through the supporting rod, and the second groove supports the compression roller through the sliding plate; the second groove limits the sliding direction of the press roller through a sliding plate; when the yarn wound by the yarn winding roller continuously increases, the yarn winding roller with the continuously prolonged diameter enables the pressing roller to horizontally slide, and the pressing roller enables the sliding plate to horizontally slide in the second groove through the supporting rod.
The utility model discloses further set up to: and a second groove is formed in the same side of the rack with the third groove, and a sliding plate is in sliding fit in the second groove.
Through adopting above-mentioned technical scheme, the second recess supports the sliding plate, and the second recess is spacing to the slip direction of sliding plate.
The utility model discloses further set up to: and a third spring is fixedly connected between the side surface of the sliding plate far away from the press roller and the rack.
By adopting the technical scheme, the third spring is always in a compression state, applies pressure to the sliding plate, and enables the pressing roller to be always in low pressure on the circumferential surface of the yarn winding roller by means of the sliding plate.
The utility model discloses further set up to: two ends of the yarn roller are fixedly connected with a second rotating shaft; a third groove is formed in the inner surface of the side wall of the rack and located on the same side of the second groove, a motor is fixedly connected into the third groove, and an output shaft of the motor is fixedly connected with the second rotating shaft.
Through adopting above-mentioned technical scheme, the third recess supports the motor, and the motor can drive the yarn roller through the second pivot and rotate, and the second pivot supports the yarn roller.
The utility model discloses further set up to: the switch assembly comprises a first groove, a front metal sheet, a rear metal sheet, a first spring and a second spring which are in horizontal direction; the first groove is formed in the inner surface of the rack, the first groove is located between the second groove and the third groove, and the front metal sheet and the rear metal sheet are in sliding fit with the first groove; one end of the first spring is fixedly connected with the front metal sheet, the other end of the first spring is fixedly connected with the side wall, close to the yarn roller, in the first groove, one end of the second spring is fixedly connected with the rear metal sheet, and the other end of the second spring is fixedly connected with the side wall, far away from the yarn roller, in the first groove.
By adopting the technical scheme, the first groove supports the front metal sheet and the rear metal sheet, and limits the sliding direction of the front metal sheet and the rear metal sheet; when the first spring and the second spring are in a natural state, a gap is formed between the front metal sheet and the rear metal sheet, and the circuit is disconnected; first pivot makes preceding sheetmetal to the in-process that the sheetmetal is close to backward, first spring extends gradually, behind the sheetmetal after the sheetmetal contact, if the operator does not in time change empty roll yarn roller, first pivot can continue to make preceding sheetmetal, back sheetmetal slides to the direction that is close to the second recess, the second spring receives pressure to shorten, a period of reaction time has been reserved for the operator, after the operator has changed empty roll yarn roller, first spring and second spring resume natural state, preceding sheetmetal and back sheetmetal return to initial position.
The utility model discloses further set up to: the yarn feeding tension adjusting device comprises a support, three wheel shafts in threaded connection with the support, a first pulley, a second pulley and a third pulley, wherein the first pulley, the second pulley and the third pulley are rotatably connected with one ends of the three wheel shafts, which are far away from the support, and the first pulley, the second pulley and the third pulley are sequentially arranged along the yarn feeding direction.
By adopting the technical scheme, the support supports the first pulley, the second pulley and the third pulley through the wheel shaft, and the first pulley, the second pulley and the third pulley can rotate at one end of the wheel shaft, which is far away from the support; the tension of the yarn can be adjusted by adjusting the height of the second pulley.
The utility model discloses further set up to: the height of the second pulley is lower than that of the first pulley and that of the third pulley.
Through adopting above-mentioned technical scheme, the yarn is walked around the upside of first pulley, the downside of second pulley and the upside of third pulley in proper order, and the height that highly is less than first pulley of second pulley and third pulley can make the yarn tensioning, adjusts the high tension that can adjust the yarn of second pulley.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the prompting device is fixedly arranged on the rack, and when the amount of the yarn wound by the yarn winding roller reaches a set value, the prompting device can send out an acousto-optic signal to prompt an operator to replace an empty yarn winding roller;
2. the compression roller is tightly attached to the outer wall of the circumference of the yarn winding roller, so that the quality of the yarn wound by the yarn winding roller can be ensured;
3. through setting up into silk tension adjusting device, can adjust the tension of yarn, guarantee the quality of yarn is wound to the package yarn roller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the tension adjusting device for the false twisting machine disclosed by the utility model comprises a frame 1, a yarn roller 4 rotatably connected on the side wall of the frame 1, a compression roller 5 attached to the surface of the yarn roller 4, a yarn feeding tension adjusting device 3 and a prompting device 2 fixedly arranged on the upper surface of the frame 1; when 4 hanks of yarn roller, the compression roller 5 makes the yarn of 4 hanks of hank roller compacter, advance the tension of 3 control yarns of silk tension adjusting device, make the yarn compress tightly hank roller 4, the in-process of 4 hanks of hank roller coiling yarns, the diameter of hank roller 4 constantly grow, compression roller 5 constantly follows the radial and direction horizontal migration that deviates from hank roller 4 of hank roller 4, when the yarn of 4 hank roller coiling reaches the setting value, under the drive of compression roller 5, suggestion device 2 sends acousto-optic warning signal, the suggestion operator changes empty hank roller 4.
Referring to fig. 1, a second rotating shaft 41 is fixedly connected to the centers of two side surfaces of the yarn winding roller 4, and the second rotating shaft 41 is parallel to the axis of the yarn winding roller 4; two inner surfaces of the frame 1 are fixedly connected with brackets 11, the brackets 11 are close to the yarn roller 4, the brackets 11 are provided with through holes 111, and the through holes 111 are in running fit with the second rotating shaft 41; a third groove 14 is formed in the inner surface of the frame 1 and close to the support 11, a motor 6 is fixedly connected in the third groove 14, and an output shaft of the motor 6 is fixedly connected with the second rotating shaft 41.
Referring to fig. 1, the second grooves 13 located in the horizontal direction of the same horizontal plane are formed in two inner side surfaces of the frame 1, the second grooves 13 are far away from the third grooves 14, the vertical sliding plate 7 is in sliding fit in the second grooves 13, the sliding plate 7 is close to the two horizontal support rods 57 fixedly connected to the side surfaces of the compression roller 5, the first rotating shaft 51 is fixedly connected to the centers of the two side surfaces of the compression roller 5, one end of the support rod 57 far away from the sliding plate 7 is fixedly connected with the first rotating shaft 51 of the compression roller 5, and the support rod 57 is perpendicular to the first rotating shaft 51.
Referring to fig. 1, a third spring 71 is fixedly connected between the side surface of the sliding plate 7 far away from the press roller 5 and the frame 1, the third spring 71 is always in a compressed state, and the press roller 5 is pressed against the yarn winding roller 4 by the third spring 71 through the sliding plate 7, so that the high quality of the yarn wound by the yarn winding roller 4 is ensured. Referring to fig. 1 and 2, the prompting device 2 includes an acousto-optic prompting device 21 and a battery 22, both the acousto-optic prompting device 21 and the battery 22 are fixedly arranged on the upper surface of the rack 1; a first groove 12 is formed in the inner surface, close to the supporting rod 57, of the rack 1, the first groove 12 is located between the second groove 13 and the third groove 14, a front metal sheet 231 and a rear metal sheet 232 which are vertical and opposite to each other are in sliding fit in the first groove 12, a part of the front metal sheet 231 is located outside the first groove 12, a horizontal first spring 24 is fixedly connected to the vertical side wall, close to the yarn roller 4, in the front metal sheet 231 and the first groove 12, and a horizontal second spring 25 is fixedly connected to the vertical side wall, far away from the yarn roller 4, in the rear metal sheet 232 and the groove; the audible and visual annunciator 21, the battery 22, the front metal piece 231, and the rear metal piece 232 are electrically connected by a wire.
Referring to fig. 1 and 2, as the number of yarns wound by the yarn winding roller 4 increases, the diameter of the cylinder formed by the yarn winding roller 4 and the yarns is gradually increased, the pressing roller 5 moves in a direction approaching the front metal sheet 231, the first rotating shaft 51 drives the front metal sheet 231 to gradually approach the rear metal sheet 232, and when the front metal sheet 231 contacts the rear metal sheet 232, the audible and visual prompter 21 emits an audible and visual signal to prompt an operator to replace the empty yarn winding roller 4.
Referring to fig. 3, the wire feeding tension adjusting device 3 includes a support 31, three vertical wheel shafts 33 in threaded connection with the support 31, and a first pulley 34, a second pulley 35 and a third pulley 36 rotatably connected to ends of the three wheel shafts 33 far from the support 31; the support 31 is in an L shape, in this embodiment, preferably, the length of the wheel axle 33 located in the middle of the three wheel axles 33 is smaller than the lengths of the wheel axles 33 located on both sides, three same threaded counterbores 32 are formed in the upper surface of the support 31, an external thread 331 in threaded fit with the threaded counterbores 32 is formed in the circumferential outer wall of one end, where the wheel axle 33 is in threaded connection with the support 31, of the wheel axle 33, a nut 37 is screwed on the external thread 331, the wheel axle 33 is unscrewed, and the nut 37 is screwed to enable the nut 37 to abut against the upper surface of the support 31, so that the wheel axle 33 can be; during feeding, the yarn passes around the upper side of the first pulley 34, the lower side of the second pulley 35, and the upper side of the third pulley 36 in this order, and then the yarn is wound by the yarn winding roller 4.
The implementation principle of the embodiment is as follows: during feeding, the yarn sequentially passes around the upper side of the first pulley 34, the lower side of the second pulley 35 and the upper side of the third pulley 36, and then is wound by the yarn winding roller 4, and the tension of the yarn can be adjusted by adjusting the height of the wheel shaft 33 connected with the second pulley 35. The motor 6 drives the yarn roller 4 to rotate continuously, the yarn is wound on the circumferential surface of the yarn roller 4 in a circle, the diameter of a cylinder formed by the yarn roller 4 and the yarn is prolonged continuously, the pressing roller 5 abutting against the yarn roller 4 gradually translates towards the direction approaching to the front metal sheet 231, the support rod 57 enables the sliding plate 7 to slide towards the direction away from the bracket 11 in the second groove 13, the third spring 71 is continuously compressed and shortened, the first rotating shaft 51 gradually translates towards the front metal sheet 231 and approaches, the first rotating shaft 51 continuously drives the front metal sheet 231 to approach towards the rear metal sheet 232 after contacting with the front metal sheet 231, when the front metal sheet 231 contacts the rear metal sheet 232, the acousto-optic prompter 21 starts to send out acousto-optic signals to prompt an operator to replace the empty yarn winding roller 4, if the operator is not able to replace the empty winding roller 4 at this point in time, the first shaft 51 continues to translate and the second spring 25 is compressed, which process gives the operator a buffer time.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.