Tightening mechanism for yarn conveying of textile machinery

Abstract

The utility model discloses a textile machinery yarn conveying tightening mechanism which comprises a portal frame and a U-shaped frame, the U-shaped frame is installed on the side wall of the portal frame, a reversing frame is installed on the surface of the U-shaped frame, a first guide wheel is movably installed in the top end of the reversing frame, a first supporting sleeve is installed on the side wall of the reversing frame, and a second guide wheel is movably installed in the top end of the reversing frame. A hollow sleeve is movably installed in the first supporting sleeve, and a second supporting sleeve is installed on the side wall of the bottom end of the reversing frame. According to the yarn conveying and tightening mechanism, circumferential rotation of the yarn conveying and tightening mechanism is achieved, yarns are conveyed in multiple directions, knotting and disorder of the yarns during multi-direction conveying are prevented, and convenience of the yarn conveying and tightening mechanism during yarn conveying direction adjustment and stability of the yarn conveying and tightening mechanism during yarn conveying are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of yarn conveying and tightening mechanism, concretely to a yarn conveying and tightening mechanism for textile machinery. BACKGROUND

[0002] The tightening mechanism can ensure that the yarn maintains appropriate tension during conveying, avoids relaxation due to insufficient tension or breakage due to excessive tension, thereby ensuring the continuity and stability of yarn conveying. By precisely adjusting the tension of the yarn, the twisting and deformation of the yarn during conveying can be reduced, yarn quality problems caused by uneven tension can be avoided, the uniformity and strength of the yarn can be ensured, and the quality of the final product can be improved.

[0003] As disclosed in the authorized announcement No. CN222063730U, a yarn conveying and tightening mechanism for textile machinery includes a workbench, two lead seats are symmetrically arranged on the left and right sides of the workbench, a first tightening mechanism and a second tightening mechanism are sequentially arranged between the two lead seats, the second tightening mechanism is provided with a sensing assembly, the signal output end of the sensing assembly is connected with the signal input end of the first tightening mechanism; the first tightening mechanism includes a first roller, two first connecting rods, two connecting seats, a first elastic member, and a translation member, the first roller is rotationally connected between the two first connecting rods, and the ends of the two first connecting rods away from each other are fixedly connected with the connecting seats; the second tightening mechanism includes a U-shaped frame, two second elastic members, two connecting blocks, two second connecting rods, and a second roller.

[0004] Although it realizes that the degree of tightness of the yarn is reflected through the deformation of the elastic member, then the sensing assembly sends the obtained signal to the motor, the motor controls the lead screw, thereby controlling the up and down movement of the first roller, and adjusting the degree of tightness of the yarn, without manual control, which can ensure uniform winding.

[0005] However, it does not solve the problem that the existing yarn conveying and tightening mechanism is not convenient for circumferential rotation and multi-directional conveying of the yarn, and the yarn is prone to knotting and disorder during multi-directional conveying, which greatly affects the convenience of adjusting the conveying direction of the yarn and the stability of the yarn during conveying. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a yarn conveying and tightening mechanism for textile machinery to solve the problem that the yarn conveying and tightening mechanism is not convenient for circumferential rotation and multi-directional conveying of the yarn, and the yarn is prone to knotting and disorder during multi-directional conveying, which affects the convenience of adjusting the conveying direction of the yarn and the stability of the yarn during conveying.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of yarn conveying mechanism for textile machinery, including portal frame and U-shaped frame, the side wall of the portal frame is equipped with U-shaped frame, the surface of the U-shaped frame is equipped with reversing frame, the top inside of the reversing frame is movably equipped with first guide wheel, the side wall of the reversing frame is equipped with first support sleeve, the inside of the first support sleeve is movably equipped with hollow sleeve, the bottom side wall of the reversing frame is equipped with second support sleeve, the inside of the second support sleeve is movably equipped with rotating shaft, reversing frame is provided between the first support sleeve and the second support sleeve, and the top of reversing frame is connected with hollow sleeve, and the bottom of reversing frame is connected with rotating shaft, the inside of the reversing frame is movably equipped with second guide wheel, the inside of the reversing frame is equipped with servo motor, the output of the servo motor is equipped with pinion, the bottom of the rotating shaft is equipped with gear, the gear is engaged with pinion, the side of the portal frame away from U-shaped frame is equipped with support frame, the side wall of the support frame is equipped with stepper motor, the inside of the support frame is movably equipped with winding drum, the side of the support frame away from winding drum is movably equipped with reciprocating screw rod, the reciprocating screw rod extends to the inside of support frame and is connected with the output of stepper motor, the side of the support frame close to reciprocating screw rod is equipped with limit rod, the surface of the reciprocating screw rod is equipped with reciprocating screw sleeve, and reciprocating screw sleeve extends to the surface of limit rod, and limit rod is slidably connected with reciprocating screw sleeve.

[0008] Preferably, the side wall of the reciprocating screw sleeve is equipped with hollow column, and the top of the reciprocating screw sleeve is movably equipped with third guide wheel.

[0009] Preferably, the surface of the winding drum is provided with yarn body, and the yarn body extends to the surface of the third guide wheel, the hollow column, the supporting wheel, the tensioning wheel, the first guide wheel, the hollow sleeve and the second guide wheel.

[0010] Preferably, the inside of the portal frame is movably equipped with the tensioning wheel, the inside of the portal frame below the tensioning wheel is movably equipped with the supporting wheel, and the both ends of the tensioning wheel are equipped with sliding blocks.

[0011] Preferably, the sliding blocks extend to the inside of the portal frame, and the sliding blocks are slidably connected with the portal frame.

[0012] Preferably, the top of the portal frame is symmetrically equipped with air cylinders, the output of the air cylinders is equipped with push rod, and the bottom of the push rod is equipped with push plate.

[0013] Preferably, the top of the push plate on both sides of the push rod is slidably equipped with lengthening rod, and the lengthening rod is connected with the sliding block.

[0014] Preferably, the surface of the lengthening rod is equipped with spring, the top of the spring is in contact with the push plate, and the bottom of the spring is in contact with the sliding block.

[0015] Compared with the prior art, the yarn conveying and tightening mechanism has the advantages that the yarn conveying and tightening mechanism realizes the conveying of the yarn in multiple directions through circumferential rotation, prevents the yarn from being knotted and disordered during multi-directional conveying, improves the convenience of adjusting the conveying direction of the yarn and the stability of the yarn conveying during yarn conveying, and the like.

[0016] (1) The yarn body is conveyed to the inside of the portal frame through the hollow column on the surface of the third guide wheel, is conveyed to the surface of the second guide wheel through the inside of the hollow sleeve on the surface of the first guide wheel and the supporting wheel and the tensioning wheel in the inside of the portal frame, is conveyed to the specified position through the second guide wheel, the reciprocating type guide during yarn unwinding is facilitated, the servo motor drives the pinion to rotate, the pinion drives the gear wheel to rotate, the gear wheel drives the rotating shaft to rotate, the rotating shaft drives the gyration frame to rotate circumferentially around the rotating shaft as the shaft, the gyration frame drives the second guide wheel to rotate in a certain direction for conveying, the yarn is conveyed in multiple angles, the yarn conveying and tightening mechanism realizes the conveying of the yarn in multiple directions through circumferential rotation, the conveying range of the yarn during yarn unwinding is increased, the yarn is prevented from being knotted and disordered during multi-directional conveying, the convenience of adjusting the conveying direction of the yarn and the stability of the yarn conveying during yarn conveying are improved, and the like.

[0017] (2) When it is necessary to adjust the tightness of the yarn conveying, the cylinder drives the push rod to move up and down, the push rod drives the push plate to move up and down, the push plate moves the sliding block to a suitable position under the elastic action of the spring to adjust the tightness of the yarn, the yarn conveying and tightening mechanism realizes the elastic conveying and support of the yarn, the yarn is prevented from being wound due to over-looseness during yarn conveying, the yarn is prevented from being torn due to over-tightness during yarn conveying, and the yarn is prevented from being separated from the guide wheel due to over-looseness during yarn conveying. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 is a front view cross-sectional structure schematic view of the utility model;

[0020] Figure 3 is a three-dimensional structure schematic view of the U-shaped frame of the utility model;

[0021] Figure 4 is a three-dimensional structure schematic view of the gyration frame of the utility model;

[0022] Figure 5The utility model discloses a gantry three-dimensional structure schematic diagram;

[0023] Figure 6 The utility model discloses a support frame three-dimensional structure schematic diagram;

[0024] Figure 7 The utility model discloses a gantry front view structure schematic diagram;

[0025] Figure 8 The utility model discloses a tensioning wheel three-dimensional structure schematic diagram.

[0026] In the drawing: 1, gantry; 2, U type frame; 3, reversing frame; 4, first support sleeve; 5, first guide wheel; 6, hollow sleeve; 7, gyration frame; 8, second support sleeve; 9, servo motor; 10, pinion; 11, gear wheel; 12, hollow column; 13, second guide wheel; 14, winding drum; 15, reciprocating silk sleeve frame; 16, stepping motor; 17, third guide wheel; 18, reciprocating silk rod; 19, limit rod; 20, air cylinder; 21, push rod; 22, rotating shaft; 23, spring; 24, push plate; 25, tensioning wheel; 26, supporting wheel; 27, sliding block; 28, lengthening rod; 29, yarn body; 30, support frame. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative work belong to the range of the utility model.

[0028] Please refer to Figures 1-8The utility model provides an embodiment: a kind of textile machinery yarn conveying is used to adjust mechanism, including portal frame 1 and U-shaped frame 2, U-shaped frame 2 is installed on the side wall of portal frame 1, the surface of U-shaped frame 2 is installed with reversing frame 3, the top inside of reversing frame 3 is movably installed with first guide wheel 5, first support sleeve 4 is installed on the side wall of reversing frame 3, hollow sleeve 6 is movably installed in first support sleeve 4, second support sleeve 8 is installed on the bottom end side wall of reversing frame 3, rotating shaft 22 is movably installed in second support sleeve 8, gyroscope 7 is arranged between first support sleeve 4 and second support sleeve 8, and the top of gyroscope 7 is connected with hollow sleeve 6, and the bottom of gyroscope 7 is connected with rotating shaft 22, second guide wheel 13 is movably installed in gyroscope 7, servo motor 9 is installed in reversing frame 3, pinion 10 is installed in the output end of servo motor 9, large gear 11 is installed in the bottom end of rotating shaft 22, large gear 11 is engaged with pinion 10, support frame 30 is installed on the side of portal frame 1 away from U-shaped frame 2, step motor 16 is installed on the side wall of support frame 30, winding drum 14 is movably installed in support frame 30, reciprocating silk rod 18 is movably installed on the side of support frame 30 away from winding drum 14, reciprocating silk rod 18 extends to the inside of support frame 30 and is connected with the output end of step motor 16, limit rod 19 is installed on the side of support frame 30 close to reciprocating silk rod 18, reciprocating silk sleeve frame 15 is sleeved on the surface of reciprocating silk rod 18, and reciprocating silk sleeve frame 15 extends to the surface of limit rod 19, and limit rod 19 and reciprocating silk sleeve frame 15 are connected in sliding mode;

[0029] Third guide wheel 17 is movably installed on the top of reciprocating silk sleeve frame 15;

[0030] Yarn body 29 is arranged on the surface of winding drum 14, and yarn body 29 extends to the surface of third guide wheel 17, hollow column 12, support wheel 26, tension wheel 25, first guide wheel 5, hollow sleeve 6, second guide wheel 13;

[0031] When the yarn conveying is carried out, the step motor 16 is opened, under the support of the support frame 30, the step motor 16 drives the reciprocating lead screw 18 to rotate, under the limiting of the limiting rod 19, the reciprocating lead screw 18 drives the reciprocating sleeve frame 15 and the third guide wheel 17 to move reciprocally, the yarn body 29 passes through the hollow column 12 on the surface of the third guide wheel 17 and is conveyed to the inside of the gantry 1, and then is conveyed to the surface of the second guide wheel 13 through the support wheel 26 and the tensioning wheel 25 in the inside of the gantry 1, the surface of the hollow sleeve 6 of the first guide wheel 5, and the second guide wheel 13, and then is conveyed to the specified position, so as to conveniently reciprocally guide the yarn paying-off, and avoid the disorder and knotting of the yarn paying-off, when it is needed to adjust the direction of the yarn conveying, the servo motor 9 is opened, under the support of the reversing frame 3, the servo motor 9 drives the pinion 10 to rotate, under the meshing of the pinion 10 and the gear 11, the pinion 10 drives the gear 11 to rotate, under the support of the second support sleeve 8, the gear 11 drives the rotating shaft 22 to rotate, under the support of the first support sleeve 4 to the hollow sleeve 6 and the support of the second support sleeve 8 to the rotating shaft 22, the rotating shaft 22 drives the revolving frame 7 to rotate circumferentially with the rotating shaft 22 as the shaft, the revolving frame 7 drives the second guide wheel 13 to rotate in a certain direction for conveying, so as to conveniently convey the yarn in multiple angles, realize the circumferential rotation of the yarn conveying and tightening mechanism in multiple directions for conveying the yarn, increase the conveying range of the yarn conveying and tightening mechanism when the yarn is paid off, prevent the knotting and disorder of the yarn in multiple directions, and improve the convenience of the yarn conveying and tightening mechanism when the yarn conveying direction is adjusted and the stability of the yarn conveying;

[0032] The tensioning wheel 25 is movably installed in the inside of the gantry 1, the support wheel 26 is movably installed in the inside of the gantry 1 below the tensioning wheel 25, and the sliding blocks 27 are installed at both ends of the tensioning wheel 25;

[0033] The sliding blocks 27 extend to the inside of the gantry 1, and the sliding blocks 27 are slidably connected with the gantry 1;

[0034] The air cylinders 20 are symmetrically installed at the top end of the gantry 1, the push rods 21 are installed at the output ends of the air cylinders 20, the push plates 24 are installed at the bottom ends of the push rods 21, the elongated rods 28 are slidably installed at the top ends of the push plates 24 on the two sides of the push rods 21, and the elongated rods 28 are connected with the sliding blocks 27;

[0035] The springs 23 are sleeved on the surfaces of the elongated rods 28, the top ends of the springs 23 are in contact with the push plates 24, and the bottom ends of the springs 23 are in contact with the sliding blocks 27;

[0036] When it is necessary to adjust the tightness of yarn conveying, the air cylinder 20 is opened, and under the support of the gantry 1, the air cylinder 20 drives the push rod 21 to move in and out, the push rod 21 drives the push plate 24 to move up and down, the push plate 24 moves the sliding block 27 to the appropriate position under the elastic action of the spring 23 to adjust the tightness of the yarn, realizing the elastic conveying support of the yarn conveying and tightening mechanism, preventing the yarn from being wound due to too loose yarn conveying, preventing the yarn from being torn due to too tight yarn conveying, and avoiding the situation that the loose yarn is separated from the guide wheel.

[0037] Working principle: when the yarn is conveyed, the stepping motor 16 drives the reciprocating screw rod 18 to rotate, the reciprocating screw rod 18 drives the reciprocating sleeve frame 15 and the third guide wheel 17 to move reciprocally, the yarn body 29 is conveyed to the inside of the gantry 1 through the surface of the third guide wheel 17 and the hollow column 12, and is conveyed to the surface of the second guide wheel 13 through the inside of the hollow sleeve 6 of the first guide wheel 5 and the supporting wheel 26 and the tensioning wheel 25 in the inside of the gantry 1, and is conveyed to the specified position through the second guide wheel 13, which facilitates the reciprocating guide of the yarn during the yarn unwinding, the servo motor 9 drives the pinion 10 to rotate, the pinion 10 drives the gear 11 to rotate, the gear 11 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the revolving frame 7 to rotate around the rotating shaft 22, the revolving frame 7 drives the second guide wheel 13 to rotate in a certain direction for conveying, which facilitates the multi-angle yarn conveying, the air cylinder 20 drives the push rod 21 to move in and out, the push rod 21 drives the push plate 24 to move up and down, the push plate 24 moves the sliding block 27 to the appropriate position under the elastic action of the spring 23 to adjust the tightness of the yarn, to complete the use of the yarn conveying and tightening mechanism.

Claims

1. A take-up mechanism for a textile machine for the delivery of a thread, characterized in that: The utility model provides a kind of frame, including gantry (1) and U-shaped frame (2), the surface of the U-shaped frame (2) is mounted with reversing frame (3) on the side wall of the gantry (1), the inside of the top end of the reversing frame (3) is movably mounted with first guide wheel (5), the side wall of the reversing frame (3) is mounted with first support sleeve (4), the inside of the first support sleeve (4) is movably mounted with hollow sleeve (6), the bottom end side wall of the reversing frame (3) is mounted with second support sleeve (8), the inside of the second support sleeve (8) is movably mounted with rotating shaft (22), revolving frame (7) is arranged between the first support sleeve (4) and second support sleeve (8), and the top end of revolving frame (7) is connected with hollow sleeve (6), and the bottom end of revolving frame (7) is connected with rotating shaft (22), the inside of the revolving frame (7) is movably mounted with second guide wheel (13), the inside of the reversing frame (3) is mounted with servo motor (9), the output of the servo motor (9) is mounted with pinion (10), the bottom end of the rotating shaft (22) is mounted with large gear (11), the large gear (11) is engaged with pinion (10), the side of the gantry (1) away from U-shaped frame (2) is mounted with support frame (30), the side wall of the support frame (30) is mounted with step motor (16), the inside of the support frame (30) is movably mounted with winding drum (14), the side of the support frame (30) away from winding drum (14) is movably mounted with reciprocating wire bar (18), the reciprocating wire bar (18) extends to the inside of support frame (30) and is connected with the output of step motor (16), the side of the support frame (30) close to reciprocating wire bar (18) is mounted with limit rod (19), the surface of the reciprocating wire bar (18) is provided with reciprocating wire sleeve frame (15), and reciprocating wire sleeve frame (15) extends to the surface of limit rod (19), and limit rod (19) and reciprocating wire sleeve frame (15) are slidably connected.

2. A thread take-up mechanism for a textile machine according to claim 1, characterized in that: The side wall of the reciprocating wire sleeve frame (15) is mounted with hollow column (12), and the top end of the reciprocating wire sleeve frame (15) is movably mounted with third guide wheel (17).

3. A thread tension regulating mechanism for a textile machine according to claim 1, characterized in that: The surface of the winding drum (14) is provided with yarn body (29), and the yarn body (29) extends to the surface of third guide wheel (17), hollow column (12), support wheel (26), tensioning wheel (25), first guide wheel (5), hollow sleeve (6) and second guide wheel (13).

4. A thread tension regulating mechanism for a textile machine according to claim 1, characterized in that: The inside of the gantry (1) is movably mounted with tensioning wheel (25), and the inside of the gantry (1) below tensioning wheel (25) is movably mounted with support wheel (26), and both ends of tensioning wheel (25) are mounted with sliding block (27).

5. A thread take-up mechanism for a textile machine according to claim 4, characterized in that: The sliding block (27) extends to the inside of the gantry (1), and the sliding block (27) and the gantry (1) are slidably connected.

6. A thread tension regulating mechanism for a textile machine according to claim 1, characterized in that: The top end of the gantry (1) is symmetrically mounted with air cylinder (20), the output of the air cylinder (20) is mounted with push rod (21), and the bottom end of the push rod (21) is mounted with push plate (24).

7. A thread take-up mechanism for a textile machine according to claim 6, characterized in that: The top end of the push plate (24) on both sides of the push rod (21) is slidably installed with an extension rod (28), and the extension rod (28) is connected with a sliding block (27).

8. A thread take-up mechanism for a textile machine according to claim 7, characterized in that: The surface of the extension rod (28) is sleeved with a spring (23), the top end of the spring (23) is in contact with the push plate (24), and the bottom end of the spring (23) is in contact with the sliding block (27).

Images