An intelligent yarn feeding device

Abstract

The present invention relates to the field of textile equipment, and in particular to an intelligent yarn feeding device, which mainly solves the problems of unstable yarn feeding amount and unstable yarn tension of the yarn feeding device in the prior art, which in turn causes a decrease in textile quality. The device comprises a shell, a control system, a driving motor, a rotating shaft, an electromagnetic clutch, a yarn storage wheel, a yarn feed damping assembly, a yarn discharge bracket, a tensioning force detection assembly and a tensioning force adjustment assembly. The rotating shaft is rotatably arranged on the shell along the vertical direction, the driving motor is connected to the rotating shaft through the electromagnetic clutch, the yarn storage wheel is sleeved on the rotating shaft, an electromagnet is provided at the lower end of the rotating shaft, and an iron sheet is provided at the lower end of the yarn storage wheel. When the electromagnet is energized, the yarn storage wheel is suspended in the axial middle part of the rotating shaft, the yarn discharge bracket is provided at the output end of the yarn storage wheel, and a yarn discharge porcelain eye is provided on the yarn discharge bracket. The tensioning force detection assembly is arranged between the yarn feed damping assembly and the yarn storage wheel, the tensioning force detection assembly has a pressure sensor, and the tensioning force adjustment assembly is arranged on the peripheral side of the yarn storage wheel.

Description

Technical Field

[0001] The present invention relates to the field of textile equipment, and in particular to an intelligent yarn feeding device. Background Art

[0002] With the continuous development of the textile industry, more and more textile machines, such as jacquard circular knitting machines and hosiery machines, require yarn feeding devices that can handle irregular and intermittent yarn consumption. This is to accommodate the yarn supply demands of factors such as weaving patterns and tension variations on the fabric surface. Traditional purely mechanical yarn feeding devices cannot meet the yarn feeding requirements of these looms.

[0003] Chinese patent application No. 01105296.1 discloses a yarn feeding device comprising a housing fixed to a loom, a motor mounted on the housing, and a yarn storage wheel driven by the motor. A yarn pressure ring with a built-in bearing is mounted on the housing and rotates synchronously with the yarn storage wheel. A tension ring for adjusting the yarn delivery tension is mounted on the yarn storage wheel. The housing also comprises a yarn delivery bracket with a yarn delivery eyelet, a yarn inlet probe, and a yarn inlet damping element. The housing also comprises an adjustment mechanism for adjusting the yarn storage amount using an adjustment lever. The invention is characterized in that the motor is fixed to one side of the housing, the motor shaft extends from the other side of the housing, and the yarn storage wheel is fixed to the motor shaft on the other side of the housing. The invention improves the positioning of the motor and the yarn storage wheel, so that the operation of the yarn storage wheel is not affected by the weight of the motor, thereby increasing the speed and meeting the requirements of yarn feeding with irregular or intermittent yarn consumption. Furthermore, the invention employs a technical solution in which the housing extension section is flush with the lower end of the yarn pressure ring, avoiding the problem of yarn entanglement with the motor shaft due to a gap between the yarn storage wheel and the housing. This overcomes the time-consuming and labor-intensive task of cleaning yarn blockages and ensures normal operation of the loom.

[0004] However, the yarn feeding device has a shell that can be fixed to the loom frame, and a motor is fixed on one side of the shell. The motor adopts a three-phase asynchronous structure with an inner rotor and an outer stator. Specifically, the motor is assembled and fixed to the shell with bolts, or the motor cover or motor shell is connected to the shell as a whole, and then the stator and rotor of the motor are fixed, and the motor shaft extends from the other side through the shell. The yarn storage wheel is fixed on the motor shaft and driven to rotate by the motor. The yarn storage wheel can be fixed on the motor shaft by a fixing sleeve or a retaining ring, and then fastened with bolts, or can be directly fastened to the motor shaft with bolts. The motor drives the yarn storage wheel to rotate through the motor shaft to achieve the function of storing yarn. In this way, the weight on the motor shaft is greatly increased, thereby driving the weight of the yarn storage wheel to increase. The inertia force is large during high-speed rotation. During intermittent yarn consumption, it is easy to cause instability in yarn feeding amount and instability in yarn tension, thereby reducing textile quality. Summary of the Invention

[0005] Therefore, in response to the above problems, the present invention provides an intelligent yarn feeding device, which mainly solves the problems in the prior art of unstable yarn feeding amount and unstable yarn tension, which in turn causes a decrease in textile quality.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] 14. The invention relates to an intelligent yarn feeding device, comprising a housing, a control system arranged on the housing, a drive motor, a rotating shaft, an electromagnetic clutch, a yarn storage wheel, a yarn feed damping assembly, a yarn outlet bracket, a tensioning force detection assembly and a tensioning force adjustment assembly, wherein the rotating shaft is rotatably arranged on the housing in a vertical direction, the drive motor is connected to the rotating shaft through an electromagnetic clutch to realize connection and braking of the rotating shaft, the yarn storage wheel is sleeved on the rotating shaft and slides along the axial direction of the rotating shaft, an electromagnet is provided at the lower end of the rotating shaft, and an iron sheet is provided at the lower end of the yarn storage wheel. When the electromagnet is energized, the yarn storage wheel is suspended in the axial middle part of the rotating shaft, the yarn feed damping assembly is arranged at the input end of the yarn storage wheel, the yarn outlet bracket is arranged at the output end of the yarn storage wheel, the yarn outlet bracket is provided with a yarn outlet porcelain eye, the tensioning force detection assembly is arranged between the yarn feed damping assembly and the yarn storage wheel, the tensioning force detection assembly has a pressure sensor, the tensioning force adjustment assembly is arranged on the circumference of the yarn storage wheel, and the pressure sensor, the drive motor, the electromagnet and the electromagnetic clutch are electrically connected to the control system respectively.

[0008] Furthermore, the yarn feed damping assembly includes a yarn guide plate, a yarn feed plate and a yarn clamping assembly, and the yarn guide plate and the yarn feed plate are respectively provided with a first yarn feed porcelain eye and a second yarn feed porcelain eye, and the yarn clamping assembly includes a first intermediate shaft, a first pressure plate, a second pressure plate, a first spring and a second spring, the first intermediate shaft is fixed on the shell in the transverse direction, the first pressure plate, the second pressure plate, the first spring and the second spring are all sleeved on the first intermediate shaft, and the first pressure plate and the second pressure plate are respectively abutted against each other by the first spring and the second spring, and the elastic coefficient of the first spring is greater than the elastic coefficient of the second spring.

[0009] Furthermore, the first disk body and the second disk body both include a first part with a semi-spherical structure and a second part arranged around the periphery of the first part. The second part has a curved structure, and its concave surface is opposite to the concave surface of the first part. The middle of the first part is provided with a through hole for the first intermediate shaft to pass through.

[0010] Furthermore, the yarn clamping assembly also includes a tube body and a third spring sleeved on the first intermediate shaft, a groove is provided in the middle of the tube body, and the groove is a spiral structure. The tube body and the third spring are distributed between the first disk body and the first part of the second disk body, and the two ends of the third spring are distributed and abut against the tube body and the second disk body.

[0011] Furthermore, the electromagnetic clutch includes a clutch housing, an upper pressure piece, a lower pressure piece, a return spring, a magnetic induction coil and a rotating shaft brake assembly. The upper pressure piece is fixed on the output shaft of the drive motor, and the lower pressure piece is slidably mounted on the rotating shaft. The magnetic induction coil is arranged on the upper pressure piece, and an anti-slip gasket is provided on one end face of the upper pressure piece close to the lower pressure piece. The return spring is arranged between the upper pressure piece and the lower pressure piece. The brake assembly is arranged on the clutch housing and distributed on the circumferential side of the lower pressure piece. When the magnetic induction coil is energized, the upper pressure piece is pressed against the lower pressure piece through the anti-slip gasket to realize the rotational connection between the drive motor and the rotating shaft. When the magnetic induction coil is de-energized, the return spring pushes the lower pressure piece to reset, and the rotating shaft brake assembly acts on the lower pressure piece.

[0012] Furthermore, the upper pressure piece includes a base fixedly connected to the output shaft of the driving motor, a first connecting seat provided on the base, and a support seat provided at the lower end of the connecting seat. The anti-slip gasket is provided on the support seat. A cavity is formed between the first connecting seat, the support seat and the output shaft of the driving motor. At least one wire groove is provided on the connecting seat, and a pillar is provided in the wire groove. The magnetic induction coil is wound around the pillar.

[0013] Furthermore, the lower pressure piece includes a sleeve mounted on the rotating shaft and a second connecting seat fixedly connected to the sleeve. The upper end of the sleeve is embedded in the cavity. The return spring is mounted on the rotating shaft and distributed in the cavity. When the magnetic induction coil is energized, the upper pressure piece rests on the second connecting seat through the anti-slip gasket.

[0014] Furthermore, the rotating shaft brake assembly includes a brake sleeve arranged on the clutch housing, a support rod and a compression spring arranged in the brake sleeve, and an annular groove arranged on the outer surface of the second connecting seat. The cross-section of the annular groove is a curved structure. When the magnetic induction coil is energized, the lower pressure piece moves upward and the support rod abuts against the middle of the annular groove. When the magnetic induction coil is de-energized, the lower pressure piece moves downward and the support rod abuts against the upper part of the annular groove.

[0015] Furthermore, the control system includes a controller, a display screen, a wireless connection module, and a speaker. The pressure sensor is electrically connected to the input end of the controller, and the display screen, drive motor, speaker, electromagnet, and electromagnetic clutch are respectively electrically connected to the output end of the controller. The controller is connected to the movable device through the wireless connection module.

[0016] By adopting the above-mentioned technical scheme, the beneficial effect of the present invention is as follows: when the intelligent yarn feeding device is working, the control system presets the yarn feeding speed and the yarn stopping and starting feeding time, and the yarn enters the yarn storage wheel through the yarn feeding damping component and the tensioning force detection component. The yarn feeding damping component avoids the yarn feeding vibration, improves the stability of the yarn feeding, and can better ensure the tension of the yarn input to the yarn storage wheel. At the same time, the control system controls the operation of the electromagnetic clutch so that the drive motor is connected to the rotating shaft, thereby driving the yarn storage wheel to rotate, realizing the storage of yarn, and the control system controls the electromagnet at the lower end of the rotating shaft to be energized, which cooperates with the iron sheet to make the yarn storage wheel suspended, and the control system synchronously detects the pressure sensor on the tensioning force detection component. The tension of the input yarn is then fed back to the control system, and the yarn tension is adjusted by controlling the speed of the drive motor. When the electromagnetic clutch stops working, the drive motor and the rotating shaft are separated, and the rotating shaft is braked to avoid excessive rotation of the yarn storage wheel due to inertia. Moreover, due to the braking time difference between the drive motor and the knitting machine, the yarn tension is easily unbalanced. The two ends of the yarn wound on the yarn storage wheel are connected to the tension adjustment component. Through the mechanical yarn storage effect of the tension adjustment component, when the drive motor drives the yarn storage wheel to rotate, the yarn tension can be quickly and slightly adjusted through mechanical yarn storage, so that the yarn feeding amount and tension are stable in the whole process of yarn input, yarn storage and output, thereby improving the textile quality of textile products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a front view structural schematic diagram of an embodiment of the present invention;

[0018] Figure 2 is a right-side structural schematic diagram of an embodiment of the present invention;

[0019] Figure 3 1 is a schematic cross-sectional structural diagram of a yarn clamping assembly according to an embodiment of the present invention;

[0020] Figure 4 1 is a schematic cross-sectional view of the electromagnetic clutch according to an embodiment of the present invention;

[0021] Figure 5 yes Figure 4 A partial enlarged view of point A in the middle;

[0022] Figure 6 1 is a front view structural diagram of a tension force detection assembly according to an embodiment of the present invention;

[0023] Figure 7 2 is a schematic diagram of the right side structure of the tension force detection assembly in an embodiment of the present invention;

[0024] Figure 8 It is a circuit module diagram of an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0026] The embodiments of the present invention are:

[0027] refer to Figure 1 and Figure 2 As shown, an intelligent yarn feeding device includes a housing 1, a control system 2, a drive motor 3, a rotating shaft 4, an electromagnetic clutch 5, a yarn storage wheel 6, a yarn feeding damping assembly 7, a yarn outlet bracket 8, a tensioning force detection assembly 9 and a tensioning force adjustment assembly 10. The rotating shaft 4 is rotatably arranged on the housing 1 in the vertical direction. The drive motor 3 is connected to the rotating shaft 4 through the electromagnetic clutch 5 to realize the connection and braking of the rotating shaft 4. The yarn storage wheel 6 is sleeved on the rotating shaft 4 and slides along the axial direction of the rotating shaft 4. Specifically, a clamping strip 11 is provided on the rotating shaft 4 and along its axial direction. The inner ring of the yarn storage wheel 6 is provided with a guide groove 12 that cooperates with the clamping strip 11. An electromagnet 13 is provided at the lower end of the rotating shaft 4, and an iron sheet 14 is provided at the lower end of the yarn storage wheel 6. When the electromagnet 13 is energized, the yarn storage wheel 6 is suspended in the axial middle part of the rotating shaft 4. The yarn feed damping assembly 7 is provided at the input end of the yarn storage wheel 6, and the yarn discharge bracket 8 is provided at the output end of the yarn storage wheel 6. A yarn discharge porcelain eye 15 is provided on the yarn discharge bracket 8. The tension force detection assembly 9 is provided between the yarn feed damping assembly 7 and the yarn storage wheel 6. The tension force detection assembly 9 has a pressure sensor 99. The tension force adjustment assembly 10 is provided on the peripheral side of the yarn storage wheel 6. The pressure sensor 99, the electromagnet 13, the drive motor 3, and the electromagnetic clutch 5 are electrically connected to the control system 2 respectively.

[0028] When the intelligent yarn feeding device is working, the control system 2 presets the yarn feeding speed and the yarn stopping and starting feeding time. The yarn enters the yarn storage wheel 6 through the yarn feeding damping component 7 and the tensioning force detection component 9. The yarn feeding damping component 7 avoids the yarn feeding vibration, improves the stability of the yarn feeding, and can better ensure the tension of the yarn input to the yarn storage wheel 6. At the same time, the control system 2 controls the electromagnetic clutch 5 to work, so that the drive motor 3 is connected to the rotating shaft 4, and then drives the yarn storage wheel 6 to rotate to realize the storage of the yarn, and the control system 2 controls the electromagnet 13 at the lower end of the rotating shaft 4 to be energized, which cooperates with the iron sheet 14 to make the yarn storage wheel 6 in a suspended state. The control system 2 synchronously detects the input yarn through the pressure sensor 99 on the tensioning force detection component 9. The tension is then fed back to the control system 2, and the yarn tension is adjusted by controlling the rotation speed of the drive motor 3. When the electromagnetic clutch 5 stops working, the drive motor 3 is separated from the rotating shaft 4, and the rotating shaft 4 is braked to avoid excessive rotation of the yarn storage wheel due to inertia. Moreover, due to the braking time difference between the drive motor 3 and the knitting machine, it is easy to cause unbalanced yarn tension. The two ends of the yarn wound on the yarn storage wheel 6 are connected with the tension adjustment component 10. Through the mechanical yarn storage effect of the tension adjustment component 10, when the drive motor 3 drives the yarn storage wheel 6 to rotate, the yarn tension can be quickly and slightly adjusted through mechanical yarn storage, so as to achieve stable yarn feeding and stable tension in the whole process of yarn input, storage and output, thereby improving the textile quality of textile products.

[0029] refer to Figure 2 and Figure 3 As shown, the yarn feeding damping assembly 7 includes a yarn guide plate 71, a yarn feeding plate 72 and a yarn clamping assembly 73, the yarn guide plate 71 and the yarn feeding plate 72 are respectively provided with a first yarn feeding porcelain eye 74 and a second yarn feeding porcelain eye 75, the yarn clamping assembly 73 includes a first intermediate shaft 731, a first pressure plate 732, a second pressure plate 733, a first spring 734 and a second spring 735, the first intermediate shaft 731 is fixed on the housing 1 in the transverse direction, the first pressure plate 732, the second pressure plate 733, the first spring 734 and the second spring 735 are all sleeved on the first intermediate shaft 731, and the first pressure plate 732 and the second pressure plate 733 are respectively abutted against each other by the first spring 734 and the second spring 735, the elastic coefficient of the first spring 734 is greater than the elastic coefficient of the second spring 735;

[0030] The first disk 732 and the second disk 733 both include a first part 201 with a semi-spherical structure and a second part 202 arranged around the first part 201. The second part 202 is a curved structure, and its concave surface is opposite to the concave surface of the first part 201. The middle part of the first part 201 is provided with a through hole 203 for the first intermediate shaft 731 to pass through. The yarn clamping component 73 also includes a tube body 736 and a third spring 737 sleeved on the first intermediate shaft 731. The middle part of the tube body 736 is provided with a groove 738, and the groove 738 is a spiral structure. The tube body 736 and the third spring 737 are distributed between the first disk 732 and the first part 201 of the second disk 733, and the two ends of the third spring 737 are distributed against the tube body 736 and the second disk 733.

[0031] The working principle of the yarn feeding damping assembly: the yarn is introduced into the yarn clamping assembly 73 through the yarn guide plate 71, the first yarn feeding porcelain eye 74 and the second yarn feeding porcelain eye 75 of the yarn feeding plate 72 in turn to achieve the initial tensioning of the yarn, and then clamped by the first disk 732 and the second disk 733 on the yarn clamping assembly 73 through the first spring 734 and the second spring 735 to prevent the yarn from vibrating during transportation, and then the yarn is wrapped around the groove 738 on the tube body 736, so that the stability of the yarn is further improved, and through the cooperation of the first spring 734, the second spring 735 and the third spring 737, the friction between the yarn and the tube body 736, the first disk 732 and the second disk 733 is stabilized, and the dynamic balance of tension, friction and lateral pulling force is achieved, thereby stabilizing the tension of the yarn.

[0032] refer to Figure 4 and Figure 5 As shown, the electromagnetic clutch 5 includes a clutch housing 51, an upper pressure piece 52, a lower pressure piece 53, a return spring 54, a magnetic induction coil 55 and a shaft brake assembly 56. The upper pressure piece 52 is fixed on the output shaft of the drive motor 3, and the lower pressure piece 53 is slidably sleeved on the rotating shaft 4. The magnetic induction coil 55 is provided on the upper pressure piece 52. An end surface of the upper pressure piece 52 close to the lower pressure piece 54 is provided with an anti-slip gasket 57. The return spring 54 is provided between the upper pressure piece 52 and the lower pressure piece 53. The brake assembly 56 is provided on the clutch housing 51 and distributed on the circumference of the lower pressure piece 53. When the magnetic induction coil 55 is energized, the upper pressure piece 52 is pressed against the lower pressure piece 53 through the anti-slip gasket 57 to achieve a rotational connection between the drive motor 3 and the rotating shaft 4. When the magnetic induction coil 55 is de-energized, the return spring 54 pushes the lower pressure piece 53 to return to its original position, and the shaft brake assembly 56 acts on the lower pressure piece 53.

[0033] The upper pressing member 52 includes a base 521 fixedly connected to the output shaft of the drive motor 3, a first connecting seat 522 provided on the base 521, and a support seat 523 provided at the lower end of the first connecting seat 522. The anti-slip pad 57 is provided on the support seat 523. A cavity 524 is formed between the first connecting seat 522, the support seat 523 and the output shaft of the drive motor 3. The first connecting seat 522 is provided with at least one wire groove 525, preferably four wire grooves 525. A support 526 is provided in the wire groove 525, and the magnetic induction coil 55 is wound around the support 526.

[0034] The lower pressing member 53 includes a sleeve 531 that is sleeved on the rotating shaft 4 and a second connecting seat 532 fixedly connected to the sleeve 531. The upper end of the sleeve 531 is embedded in the cavity 524. The return spring 54 is sleeved on the rotating shaft 4 and distributed in the cavity 524. When the magnetic induction coil 55 is energized, the upper pressing member 52 abuts against the second connecting seat 532 via the anti-slip pad 57.

[0035] The rotating shaft brake assembly 56 includes a brake sleeve 561 arranged on the clutch housing 51, a support rod 562 and a compression spring 563 arranged in the brake sleeve 561, and an annular groove 564 arranged on the outer surface of the second connecting seat 532. The cross-section of the annular groove 564 is a curved structure. When the magnetic induction coil 55 is energized, the down-pressing piece 53 moves upward and the support rod 562 abuts against the middle of the annular groove 564. When the magnetic induction coil 55 is de-energized, the down-pressing piece 53 moves downward and the support rod 562 abuts against the upper part of the annular groove 564.

[0036] The working principle of the electromagnetic clutch: the control system 2 controls the magnetic induction coil 55 to be energized, thereby adsorbing the pressing piece 53 to squeeze the return spring 54 upward and move it, and the anti-slip gasket 57 is pressed against the pressing piece 53 to achieve static friction connection, so that the drive motor 3 drives the rotating shaft 4 to rotate. After the pressing piece 53 moves upward, the support rod 562 on the rotating shaft brake assembly 56 is in the middle of the annular groove 564, and the annular groove 564 has a curved structure, so that the compression spring 563 is in the shortest compression stroke, so that the friction between the support rod 562 and the pressing piece 53 is minimized, thereby making the drive motor 3 do work. The power is reduced, which has the effect of energy saving and environmental protection. After the magnetic induction coil 55 is powered off, the return spring 54 pushes the lower pressure piece 53 to return to its original position, and the upper pressure piece 52 is separated from the lower pressure piece 53, thereby realizing the separation of the drive motor 3 and the rotating shaft 4. At this time, the lower pressure piece 53 moves downward, and the support rod 562 abuts against the upper part of the annular groove 564. The compression spring 563 is in the longest compression stroke, so that the friction between the support rod 562 and the lower pressure piece 53 is the largest, and the return spring 54 and the lower pressure piece 52 generate friction at the same time, causing the rotating shaft 4 to stop, thereby improving the yarn feeding accuracy and the stability of the tension adjustment.

[0037] refer to Figure 6 and Figure 7 As shown, the tension force detection assembly 9 includes a second intermediate shaft 91 fixed on the housing 1, a turntable 92 rotatably arranged on the second intermediate shaft 91, a clamping block 93 and a ridge 94 fixed on the second intermediate shaft 91, a slider 95 sleeved on the second intermediate shaft 91 and clamped on the ridge 94, a torsion spring 96 and a rocker 97, wherein the clamping block 93 is distributed between the turntable 92 and the ridge 94, and the ridge 94 is distributed along the axial direction of the second intermediate shaft 91, and the two ends of the torsion spring 96 are respectively connected to the circumference of the turntable 92 and the slider 95, and the pressure sensor 99 is arranged on the clamping block 93 and faces one side of the slider 95. One end of the rocker arm 97 is fixed to the periphery of the turntable 92, and the other end of the rocker arm 97 is provided with a first yarn guide porcelain eye 98; when the yarn tension changes, the rocker arm 97 is driven to swing, and the swing of the rocker arm 97 drives the turntable 92 to rotate, and under the action of the torsion spring 96, the slider 95 is pulled to move along the axial direction of the second intermediate shaft 91, so that the clamping force between the slider 95 and the block 93 changes, and the clamping force between the two is detected by the pressure sensor 99, and then the tension of the yarn is detected. This structure is simple, has high detection accuracy, and can quickly respond to changes in yarn tension, thereby improving the accuracy of use.

[0038] refer to Figure 1 、 Figure 2 As shown, the tension adjustment device 10 includes two adjustment cylinders 101 provided on the housing 1, a fourth spring 102 and a slide rod 103 provided in the adjustment cylinder 101, a first adjustment rod 104 and a second adjustment rod 105 distributed on the circumferential outer side of the yarn storage wheel 6, the upper end of the first adjustment rod 104 and the upper end of the second adjustment rod 105 are respectively hinged to the outer end of each slide rod 103, the first adjustment rod 104 is provided between the yarn feed damping assembly 7 and the yarn storage wheel 6, the lower end of the first adjustment rod 104 is provided with a second yarn guide porcelain eye 106, and the second adjustment rod 105 is provided with a second yarn guide porcelain eye 106. 05 is arranged between the yarn storage wheel 6 and the yarn outlet bracket 8, and the lower end of the second adjusting rod 105 is provided with a third yarn guide porcelain eye 107, the height dimension of the second yarn guide porcelain eye 106 is greater than the height dimension of the third yarn guide porcelain eye 107, the height dimension of the second yarn guide porcelain eye 106 is greater than the height dimension of the first yarn guide porcelain eye 98, the height dimension of the third yarn guide porcelain eye 107 is greater than the height dimension of the yarn outlet porcelain eye 15, and the yarn outlet porcelain eye 15 is located at the central axis of the yarn storage wheel 6, and the second yarn guide porcelain eye 106 and the third yarn guide porcelain eye 107 are distributed on the circumferential side of the yarn storage wheel 6.

[0039] The working principle of the tensioning force adjusting device 10 is as follows: the two ends of the yarn wound on the yarn storage wheel 6 pass through the first adjusting rod 104 and the second adjusting rod 105 on the tensioning force adjusting device 10 respectively, and the tensioning force of the yarn drives the first adjusting rod 104 and the second adjusting rod 105 to swing, so that the fourth spring 102 stores force. When the tensioning force of the yarn changes slightly, the reaction of the fourth spring 102 realizes the swinging of the first adjusting rod 104 and the second adjusting rod 105 in the direction or opposite direction, so that the tensioning force of the yarn is stable, so that the yarn output through the yarn outlet porcelain eye has good yarn delivery stability.

[0040] refer to Figure 8 As shown, the control system 2 includes a controller 21, a display screen 22, a wireless connection module 23, a speaker 24, an angle sensor 25 for detecting the rotation angle of the turntable 92, and a position sensor 26 for detecting the position of the yarn storage wheel 6. The pressure sensor 99, the angle sensor 25, and the position sensor 26 are electrically connected to the input end of the controller 21, respectively. The display screen 22, the drive motor 3, the speaker 24, the electromagnet 13, and the magnetic induction coil 55 are electrically connected to the output end of the controller 21, respectively. The controller 21 is connected to the movable device 27 through the wireless connection module 23. Preferably, the wireless connection module 23 is a Bluetooth module, and the movable device 26 is a mobile phone.

[0041] Since the yarn storage wheel 6 is in a suspension device, changes in the amount of yarn stored on the yarn storage wheel 6 or changes in the yarn tension will drive the yarn storage wheel 6 to move along the axial direction of the rotating shaft 4, and then the position sensor 26 detects the position of the yarn storage wheel 6 in the suspension state and the angle sensor 25 detects the rotation angle of the turntable 92, and cooperates with the pressure sensor 99 to realize coordinated detection of three positions, so that the yarn storage amount and yarn tension are detected, the detection accuracy is improved, and the data is transmitted to the controller 21. On the one hand, the data is displayed in real time through the display screen 22, or connected to the movable device 27 through the wireless connection module 23, and displayed in real time, which is convenient for the operator to observe intuitively. When there is a large change in the yarn tension, an alarm is realized through the speaker 24. On the other hand, the controller 21 transmits data judgment, controls the speed of the drive motor 3, the power on or off of the electromagnet 13 and the magnetic induction coil 55 to realize yarn tension adjustment and maintain the stability of the tension.

[0042] Although the present invention has been particularly shown and described in conjunction with preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made to the present invention without departing from the spirit and scope of the invention as defined in the appended claims, and all such changes are within the scope of protection of the present invention.

Claims

1. An intelligent yarn feeding device, characterized in that: The cam is connected to the transmission mechanism by which the cam is moved along the axis of the rotation of the transmission gear and the axis of rotation of the transmission gear is moved along the axis of the rotation of the transmission gear. The control wheel that is located at the top of the gear that is fixed with the control wheel is the control wheel that is located at the top of the gear that is fixed with the control wheel, and the control wheel that is located at the top of the gear that is fixed with the control wheel is the control wheel that is located at the top of the gear that is fixed with the control wheel. The yarn feeding damping assembly includes a yarn guide plate, a yarn feeding plate and a yarn clamping assembly, wherein the yarn guide plate and the yarn feeding plate are respectively provided with a first yarn feeding porcelain eye and a second yarn feeding porcelain eye, and the yarn clamping assembly includes a first intermediate shaft, a first pressure plate, a second pressure plate, a first spring and a second spring, the first intermediate shaft is fixed on the shell in the transverse direction, the first pressure plate, the second pressure plate, the first spring and the second spring are all sleeved on the first intermediate shaft, and the first pressure plate and the second pressure plate are respectively abutted against each other by the first spring and the second spring, the elastic coefficient of the first spring is greater than the elastic coefficient of the second spring, the first pressure plate and the second pressure plate both include a first part in a semi-spherical structure and a second part arranged at the periphery of the first part, the second part is a curved surface structure, and its concave surface is opposite to the concave surface of the first part, and the middle part of the first part is provided with a through hole for the first intermediate shaft to pass through; The yarn clamping assembly also includes a tube body and a third spring sleeved on the first intermediate shaft. A groove is provided in the middle of the tube body, and the groove is a spiral structure. The tube body and the third spring are distributed between the first pressure plate and the first part of the second pressure plate. The two ends of the third spring are distributed and rest against the tube body and the second pressure plate.

2. The intelligent yarn feeding device according to claim 1, characterized in that: The electromagnetic clutch includes a clutch housing, an upper pressure piece, a lower pressure piece, a return spring, a magnetic induction coil and a rotating shaft brake assembly. The upper pressure piece is fixed on the output shaft of the drive motor, and the lower pressure piece is slidably mounted on the rotating shaft. The magnetic induction coil is arranged on the upper pressure piece. An anti-slip gasket is provided on one end face of the upper pressure piece close to the lower pressure piece. The return spring is arranged between the upper pressure piece and the lower pressure piece. The brake assembly is arranged on the clutch housing and distributed on the circumferential side of the lower pressure piece. When the magnetic induction coil is energized, the upper pressure piece is pressed against the lower pressure piece through the anti-slip gasket to realize the rotational connection between the drive motor and the rotating shaft. When the magnetic induction coil is de-energized, the return spring pushes the lower pressure piece to reset, and the rotating shaft brake assembly acts on the lower pressure piece.

3. The intelligent yarn feeding device according to claim 2, characterized in that: The upper pressure piece includes a base fixedly connected to the output shaft of the driving motor, a first connecting seat provided on the base, and a support seat provided at the lower end of the connecting seat. The anti-slip gasket is provided on the support seat. A cavity is formed between the first connecting seat, the support seat and the output shaft of the driving motor. At least one wire groove is provided on the connecting seat, and a pillar is provided in the wire groove. The magnetic induction coil is wound around the pillar.

4. The intelligent yarn feeding device according to claim 3, characterized in that: The lower pressure piece includes a sleeve mounted on the rotating shaft and a second connecting seat fixedly connected to the sleeve. The upper end of the sleeve is embedded in the cavity. The return spring is mounted on the rotating shaft and distributed in the cavity. When the magnetic induction coil is energized, the upper pressure piece rests against the second connecting seat through the anti-slip gasket.

5. The intelligent yarn feeding device according to claim 4, characterized in that: The rotating shaft brake assembly includes a brake sleeve arranged on the clutch housing, a support rod and a compression spring arranged in the brake sleeve, and an annular groove arranged on the outer surface of the second connecting seat. The cross-section of the annular groove is a curved structure. When the magnetic induction coil is energized, the lower pressure piece moves upward and the support rod abuts against the middle of the annular groove. When the magnetic induction coil is de-energized, the lower pressure piece moves downward and the support rod abuts against the upper part of the annular groove.

6. The intelligent yarn feeding device according to claim 1, characterized in that: The control system includes a controller, a display screen, a wireless connection module, and a speaker. The pressure sensor is electrically connected to the input end of the controller, and the display screen, drive motor, speaker, electromagnet, and electromagnetic clutch are respectively electrically connected to the output end of the controller. The controller is connected to the movable device through the wireless connection module.

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