Automatic yarn tensioning mechanism and method

Abstract

The application discloses a kind of yarn automatic tensioning mechanism and method, it is related to yarn equipment technical field, and the application includes workbench, the middle of one side of workbench is opened with operating room, adjusting mechanism is installed in one side of operating room, driving mechanism is installed in operating room, the middle of the top surface of workbench is opened with installation slot, tensioning mechanism body of evenly arranged is installed in installation slot, when the yarn tension of certain tensioning mechanism body control loosens, adjusting platform of driving mechanism is moved to the bottom of tensioning mechanism body that yarn tension needs to be adjusted by adjusting mechanism, the tension of each group of yarn can be adjusted separately by multiple groups of tensioning mechanism body set in the device, without the tension of multiple groups of yarn being adjusted synchronously due to a group of yarn loosening, leading to the yarn tension of multiple groups of yarn being different, moderate tension yarn is caused yarn tension to increase due to synchronous adjustment, leading to yarn break, affect yarn winding and unwinding.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of yarn equipment, in particular to a yarn automatic tensioning mechanism and method. BACKGROUND

[0002] Yarn is a kind of textile, which is processed from various textile fibers into a product of a certain fineness, and is used for weaving, rope making, thread making, knitting and embroidery. It is divided into short fiber yarn and continuous filament, etc. During production, a tensioning mechanism is usually arranged between each process to ensure the tension of various knitted products. The arrangement of the tensioning mechanism is essential when the yarn is being wound.

[0003] When winding the yarn, multiple groups of yarns are usually wound simultaneously. When one group of yarns is loose, the tensioning mechanism is used to adjust it. However, the existing tensioning mechanism adjusts the loose yarns while also adjusting other groups of yarns, which cannot complete the independent adjustment of the loose yarns. As a result, the moderate tension of the yarns increases due to synchronous adjustment, leading to different tension degrees of multiple groups of yarns, affecting the unwinding of the yarns, causing the yarns to break, and affecting the winding efficiency of the yarns. To solve the above problems, the present application provides a yarn automatic tensioning mechanism and method. SUMMARY

[0004] To solve the problem that the existing tensioning mechanism adjusts the loose yarns while also adjusting other groups of yarns, which cannot complete the independent adjustment of the loose yarns, resulting in an increase in the tension of the moderate tension of the yarns due to synchronous adjustment, leading to different tension degrees of multiple groups of yarns, causing the yarns to break, and affecting the unwinding of the yarns, the present application aims to provide a yarn automatic tensioning mechanism and method.

[0005] To solve the above technical problems, the present application adopts the following technical solution: a yarn automatic tensioning mechanism, comprising a workbench, an operating room is formed in the middle of one side of the workbench, an adjusting mechanism is installed on one side of the operating room, a driving mechanism is installed in the operating room, the adjusting mechanism and the driving mechanism cooperate with each other, an installation groove is formed in the middle of the top surface of the workbench, a plurality of tensioning mechanism bodies are uniformly arranged in the installation groove, positioning grooves are symmetrically formed on both sides of the top surface of the workbench, two yarn winding and unwinding auxiliary mechanisms are installed in the two positioning grooves, the two yarn winding and unwinding auxiliary mechanisms cooperate with the tensioning mechanism bodies, the driving mechanism is installed in the operating room through the operating room, the driving mechanism moves in the operating room controlled by the adjusting mechanism, and the two yarn winding and unwinding auxiliary mechanisms are installed in the two positioning grooves respectively, cooperating with the tensioning mechanism bodies to perform the work of unwinding and winding the yarns.

[0006] The tensioning mechanism body comprises a fixed table, the bottom surface of the fixed table is fixedly provided with lifting frames on both sides, a threaded part is fixedly arranged at one end of the two lifting frames, threaded rods are uniformly arranged in the installation groove, the threaded rods are rotatably arranged in the installation groove, the threaded part and the threaded rod are matched and slidably arranged on the surface of the threaded rod, a transmission gear is fixedly arranged at the bottom end of the threaded rod, the driving mechanism comprises an adjusting table, an electric push rod is fixedly arranged on one side of the adjusting table, a connecting piece is fixedly arranged on one side of the electric push rod, and a toothed plate is fixedly arranged on one side of the connecting piece; the toothed plate and the transmission gear are in meshing engagement;

[0007] The device is used for winding and unwinding the yarn through the multiple tensioning mechanism bodies in the installation groove, and one yarn is wound and unwound through each tensioning mechanism body. When the tension of the yarn controlled by a certain tensioning mechanism body is loose, the adjusting table of the driving mechanism is moved to the bottom of the tensioning mechanism body which needs to be adjusted through the adjusting mechanism, the toothed plate of the driving mechanism is moved to one side edge of the transmission gear, and when the toothed plate of the driving mechanism is in meshing engagement with the transmission gear of the tensioning mechanism body which needs to be adjusted, the adjusting mechanism stops working, the switch of the electric push rod in the driving mechanism is turned on, the connecting piece arranged at the output end of the electric push rod is used to control the movement of the toothed plate, the transmission gear is driven to rotate through the toothed plate, the threaded rod is driven to rotate when the transmission gear rotates, the threaded part arranged on the two lifting frames is controlled to rise on the surface of the threaded rod when the threaded rod rotates, the fixed table is controlled to rise through the threaded part, the yarn clamped in the clamping groove of the guide wheel is driven to rise through the fixed table, the independent adjustment of the tension of the loose yarn is completed, the tension of each group of yarns can be independently adjusted through the multiple tensioning mechanism bodies arranged in the device, and the tension of multiple groups of yarns does not need to be synchronously adjusted due to the loosening of one group of yarns, so that the tensions of multiple groups of yarns are not the same, the tension of the yarn with moderate tension increases due to the synchronous adjustment, the yarn is disconnected, and the winding and unwinding of the yarn is affected;

[0008] The adjusting mechanism comprises a motor, the motor is fixedly arranged on one side surface of the workbench, a lead screw is fixedly arranged at the output end of the motor, a sliding sleeve is threadedly arranged on the surface of the lead screw, an adjusting table is fixedly arranged on one side of the sliding sleeve, and the sliding sleeve and the adjusting table are matched. The switch of the motor in the adjusting mechanism is turned on, the lead screw is controlled to rotate through the output end of the motor, the sliding sleeve is controlled to slide on the surface of the lead screw when the lead screw rotates, the adjusting table of the driving mechanism is controlled to move in the operation room through the sliding sleeve, the adjusting table of the driving mechanism is moved to the bottom of the tensioning mechanism body which needs to be adjusted, and the yarn with the tension which needs to be adjusted can be adjusted through the driving mechanism.

[0009] Preferably, the top surface of the fixing table is fixedly provided with a fixed plate on both sides, the opposite side of the two fixed plates is fixedly provided with a first bearing, the inner side of the two first bearings is fixedly provided with a rotating shaft, the surface of the rotating shaft is fixedly provided with a guide wheel in the middle, the guide wheel is rotatably installed in the two fixed plates through the two first bearings, the surface of the guide wheel is provided with a wire clamping groove, the two fixed plates are installed and fixed through the fixing table, the rotating shaft is installed and fixed through the first bearing installed on the opposite side of the two fixed plates, and the guide wheel is installed and fixed through the first rotating shaft. The yarn to be wound is passed from the top of the wire clamping groove of the guide wheel, and when the unwinding yarn is loose, the tension of the yarn can be adjusted conveniently. The winding and unwinding auxiliary mechanism comprises a positioning seat, the number of the positioning seat is two, the inner side of the two positioning seats is fixedly provided with a fixed shaft, the surface of the fixed shaft is fixedly provided with a second bearing arranged uniformly, the surface of the second bearing is fixedly provided with a winding disc, the winding disc is rotatably provided on the surface of the fixed shaft through the second bearing, the winding disc cooperates with the guide wheel, the winding disc is provided with a winding groove in the middle, the number of the winding and unwinding auxiliary mechanism is two, and the winding and unwinding auxiliary mechanism is installed at the two ends of the workbench respectively. The winding and unwinding auxiliary mechanism installed on the left side of the workbench assists in unwinding the yarn, the winding and unwinding auxiliary mechanism installed on the right side of the workbench assists in winding the yarn, the fixed shaft is installed and fixed through the two positioning seats, a plurality of second bearings are installed and fixed through the fixed shaft, and the winding disc is installed and fixed through the plurality of second bearings. The yarn to be wound is passed from the bottom of the winding groove of the left winding disc, from the top of the wire clamping groove of the guide wheel, and finally from the bottom of the winding groove of the right winding disc, so that the winding and unwinding of the yarn is completed.

[0010] Preferably, the side of the fixing table is fixedly provided with a guide buckle, the guide buckle is sleeved with a guide rod, the guide buckle is slidably provided on the surface of the guide rod, the bottom end of the guide rod is fixedly provided with a fixed seat, and the fixed seat is fixedly installed on the bottom surface of the installation groove. When the fixing table is lifted, the guide buckle installed on one side of the fixing table slides on the surface of the guide rod along with the lifting of the fixing table. Through the cooperation of the guide buckle and the guide rod, the stability of the fixing table during lifting is increased, and the guide buckle also guides the fixing table. The guide rod is fixed through the fixed seat, and the guide rod is installed in the installation groove for fixation. The guide buckle works in cooperation, and the bottom surface of the adjusting table is symmetrically provided with a sliding rail. The bottom surface of the operating chamber is symmetrically provided with a slide, and the sliding rail is slidably provided on the surface of the slide. The sliding rail cooperates with the slide. When the adjusting table moves, the two sliding rails installed on the bottom surface of the adjusting table slide on the surfaces of the two slides along with the movement of the adjusting table. Through the cooperation of the sliding rail and the slide, the stability of the adjusting table during movement is increased, and the guide task of the adjusting table is completed.

[0011] Preferably, the top surface of the adjusting table is fixedly provided with uniformly distributed auxiliary frames, the toothed plate is sleeved in the auxiliary frames, the auxiliary frames cooperate with the toothed plate, the number of the auxiliary frames is three, the toothed plate moves with the aid of the three auxiliary frames, the stability of the toothed plate during movement is improved, the toothed plate is guided, the first rotating members are sleeved at the both ends of the surface of the screw rod, the sliding slot is formed in one side of the operation chamber, the sliding sleeve is slidably arranged in the sliding slot, the two first rotating members are fixedly arranged at the both sides of the sliding slot, the second rotating member is sleeved at the end of the surface of the threaded rod close to the transmission gear, the second rotating member is fixedly arranged in the workbench, the screw rod rotates with the aid of the two first rotating members, the stability of the screw rod during rotation is improved, the threaded rod rotates with the aid of the second rotating member, the stability of the threaded rod during rotation is improved, the support frame is fixedly arranged on the bottom surface of the workbench, the support frame cooperates with the workbench, the workbench is supported and fixed through the support frame, and the device is placed in a specified area to complete the unwinding work of the yarn.

[0012] Preferably, a method for using a yarn automatic tensioning mechanism comprises the following steps:

[0013] Step one: the tension of each group of yarns is controlled by the plurality of tensioning mechanism bodies, when the tension of the yarn controlled by a certain tensioning mechanism body is loose, the switch of the motor in the adjusting mechanism is turned on, the screw rod is controlled to rotate through the output end of the motor, the sliding sleeve is controlled to slide on the surface of the screw rod when the screw rod rotates, and the adjusting table of the driving mechanism is controlled to move in the operation chamber through the sliding sleeve;

[0014] Step two: the adjusting table of the driving mechanism is moved to the bottom of the tensioning mechanism body whose tension needs to be adjusted through the adjusting mechanism, the toothed plate of the driving mechanism is moved to the edge of the transmission gear on one side, and when the toothed plate of the driving mechanism is in meshing state with the transmission gear of the tensioning mechanism body that needs to be adjusted, the adjusting mechanism stops working;

[0015] Step three: the switch of the electric push rod in the driving mechanism is turned on, the connecting piece installed at the output end of the electric push rod controls the toothed plate to move, the transmission gear is driven to rotate through the toothed plate, the threaded rod is driven to rotate when the transmission gear rotates, the threaded pieces installed by the two lifting frames are controlled to rise through the rotating threaded rod, so that the fixed table is controlled to rise through the threaded pieces, the yarn clamped in the wire clamping groove of the guide wheel is driven to rise through the fixed table, and the individual adjustment of the loose yarn tension is completed.

[0016] Compared with the prior art, the beneficial effects of the present application are that:

[0017] 1、the present application, when a certain tension mechanism body control yarn tension loose, through the adjustment mechanism will drive mechanism adjustment platform to the need to adjust the yarn tension of the tension mechanism body bottom, open the drive mechanism switch, through the drive mechanism control the fixed platform of the tension mechanism body to rise, through the fixed platform drive the yarn clamped in the wire slot of the guide wheel to rise, complete the loose yarn tension of individual adjustment, through the device set by a plurality of tension mechanism body can be individually adjusted to each group of yarn tension, without a group of yarn loose synchronous adjustment of the tension of a plurality of yarn, resulting in a plurality of yarn tension is not the same, moderate tension of the yarn due to synchronous adjustment of the yarn tension, resulting in yarn breakage, affect the yarn winding and unwinding;

[0018] 2、the present application, through the sliding sleeve of the adjustment mechanism control drive mechanism adjustment platform in the operation chamber to move, the drive mechanism adjustment platform to the need to adjust the yarn tension of the tension mechanism body bottom, through the drive mechanism complete the loose yarn tension of individual adjustment, other group of yarn continue to work, complementary effect, prevent moderate tension of the yarn from following loose bidirectional synchronous adjustment, cause yarn breakage. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 For the overall structure of the present application,

[0021] Figure 2 For the internal structure of the operation chamber of the present application,

[0022] Figure 3 For the present application Figure 2 The structure of A is enlarged,

[0023] Figure 4 For the present application Figure 2 The structure of B is enlarged,

[0024] Figure 5 For the structure of the tension mechanism body of the present application,

[0025] Figure 6 For the present application Figure 5 The structure of C is enlarged,

[0026] Figure 7 For the structure of the workbench top surface winding and unwinding auxiliary mechanism of the present application,

[0027] Figure 8 This is an enlarged view of the structure of the present invention.

[0028] In the diagram: 1. Workbench; 2. Control room; 3. Adjustment mechanism; 4. Drive mechanism; 5. Tensioning mechanism body; 6. Retraction / extension auxiliary mechanism; 7. Support frame; 11. Mounting slot; 12. Positioning slot; 21. Slide rail; 22. Slide groove; 31. Motor; 32. Lead screw; 321. First rotating component; 33. Sliding sleeve; 41. Adjustment table; 411. Auxiliary frame; 412. Slide rail; 42. Electric push rod; 43. Connecting component; 44. Gear 51. Plate; 511. Fixed platform; 512. Fixed plate; 513. First bearing; 514. Rotating shaft; 52. Guide wheel; 521. Wire clamping groove; 53. Lifting frame; 531. Threaded component; 54. Threaded rod; 541. Second rotating component; 55. Transmission gear; 56. Guide buckle; 561. Guide rod; 562. Fixed seat; 61. Positioning seat; 62. Fixed shaft; 63. Second bearing; 64. Winding disc; 641. Winding groove. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Example: Figures 1-8 As shown, the present invention provides an automatic yarn tensioning mechanism, including a workbench 1, an operating chamber 2 with an opening in the middle of one side of the workbench 1, an adjustment mechanism 3 installed on one side of the operating chamber 2, a drive mechanism 4 installed inside the operating chamber 2, the adjustment mechanism 3 and the drive mechanism 4 cooperating with each other, an installation groove 11 with an opening in the middle of the top surface of the workbench 1, a tensioning mechanism body 5 evenly arranged in the installation groove 11, and symmetrical positioning grooves 12 with openings on both sides of the top surface of the workbench 1, each of the two positioning grooves 12 having a take-up and release auxiliary mechanism 6 installed in it, the two take-up and release auxiliary mechanisms 6 cooperating with the tensioning mechanism body 5, the drive mechanism 4 is installed through the operating chamber 2, the drive mechanism 4 is controlled to move within the operating chamber 2 by the adjustment mechanism 3, and the two yarn take-up and release auxiliary mechanisms 6 are installed through the two positioning grooves 12 respectively, cooperating with the tensioning mechanism body 5 to perform yarn unwinding and winding operations;

[0031] The tensioning mechanism body 5 comprises a fixed table 51, the bottom surface of the fixed table 51 is fixedly provided with lifting frames 53 on both sides, the inner end of the two lifting frames 53 is fixedly provided with a threaded part 531, a threaded rod 54 is uniformly arranged in the installation groove 11, the threaded rod 54 is rotatably arranged in the installation groove 11, the threaded part 531 is matched with the threaded rod 54 and is slidably arranged on the surface of the threaded rod 54, the bottom end of the threaded rod 54 is fixedly provided with a transmission gear 55, the driving mechanism 4 comprises an adjusting table 41, one side of the adjusting table 41 is fixedly provided with an electric push rod 42, the output end of the electric push rod 42 is fixedly provided with a connecting piece 43, one side of the connecting piece 43 is fixedly provided with a toothed plate 44, the toothed plate 44 is meshed with the transmission gear 55;

[0032] The device is used for winding and unwinding the yarn through the plurality of tensioning mechanism bodies 5 in the installation groove 11, one yarn is wound and unwound through each tensioning mechanism body 5, when the tension of the yarn controlled by a certain tensioning mechanism body 5 is loose, the adjusting table 41 of the driving mechanism 4 is moved to the bottom of the tensioning mechanism body 5 which needs to be adjusted through the adjusting mechanism 3, the toothed plate 44 of the driving mechanism 4 is moved to one side edge of the transmission gear 55, when the toothed plate 44 of the driving mechanism 4 is meshed with the transmission gear 55 of the tensioning mechanism body 5 which needs to be adjusted, the adjusting mechanism 3 stops working, the switch of the electric push rod 42 in the driving mechanism 4 is turned on, the connecting piece 43 installed at the output end of the electric push rod 42 is used to control the movement of the toothed plate 44, the transmission gear 55 is driven to rotate through the toothed plate 44, the threaded rod 54 is driven to rotate when the transmission gear 55 rotates, the threaded part 531 installed by the two lifting frames 53 is controlled to rise on the surface of the threaded rod 54, so that the fixed table 51 is controlled to rise through the threaded part 531, the yarn clamped in the clamping groove 521 of the guide wheel 52 is controlled to rise through the fixed table 51, the independent adjustment of the loose yarn tension is completed, the tension of each group of yarns can be independently adjusted through the plurality of tensioning mechanism bodies 5 arranged in the device, the tension of the plurality of groups of yarns does not need to be synchronously adjusted due to the loosening of one group of yarns, the yarn tension of the moderate tension yarn is increased due to the synchronous adjustment, the yarn is disconnected, and the winding and unwinding of the yarn is affected.

[0033] The adjusting mechanism 3 comprises a motor 31, the motor 31 is fixedly arranged on one side surface of the workbench 1, the output end of the motor 31 is fixedly provided with a lead screw 32, the surface of the lead screw 32 is threadedly provided with a sliding sleeve 33, one side of the sliding sleeve 33 is fixedly provided with an adjusting table 41, the sliding sleeve 33 is matched with the adjusting table 41;

[0034] By adopting the above technical scheme, the switch of the motor 31 in the adjusting mechanism 3 is opened, the output end of the motor 31 controls the rotation of the lead screw 32, the lead screw 32 rotates, the sliding sleeve 33 slides on the surface of the lead screw 32, the adjusting table 41 of the driving mechanism 4 is controlled by the sliding sleeve 33 to move in the operation chamber 2, the adjusting table 41 of the driving mechanism 4 is moved to the bottom of the tensioning mechanism body 5 where the yarn tension needs to be adjusted, and the driving mechanism 4 is opened to adjust the yarn with the tension that needs to be adjusted.

[0035] The top surface of the fixed table 51 is fixedly provided with two fixed plates 511, the opposite side of each fixed plate 511 is fixedly provided with a first bearing 512, and the inner side of each first bearing 512 is fixedly provided with a rotating shaft 513. A guide wheel 52 is fixedly sleeved on the surface of the rotating shaft 513, the guide wheel 52 is rotatably installed in the two fixed plates 511 through the two first bearings 512, and a wire clamping groove 521 is formed in the surface of the guide wheel 52.

[0036] By adopting the above technical scheme, the two fixed plates 511 are fixedly installed on the fixed table 51, the rotating shaft 513 is fixedly installed on the opposite side of the two fixed plates 511 through the first bearings 512, and the guide wheel 52 is fixedly installed on the rotating shaft 513 through the first rotating shaft 513. The yarn to be wound is passed from the top of the wire clamping groove 521 of the guide wheel 52, and the tension of the yarn can be adjusted when the yarn is loosened.

[0037] The take-up and pay-off auxiliary mechanism 6 comprises two positioning seats 61, and the inner side of each positioning seat 61 is fixedly provided with a fixed shaft 62. The surface of the fixed shaft 62 is fixedly sleeved with a plurality of second bearings 63 arranged uniformly, and the surface of each second bearing 63 is fixedly sleeved with a winding disc 64. The winding disc 64 is rotatably sleeved on the surface of the fixed shaft 62 through the second bearing 63, the winding disc 64 cooperates with the guide wheel 52, and a winding groove 641 is formed in the middle of the winding disc 64.

[0038] By adopting the above technical scheme, the two take-up and pay-off auxiliary mechanisms 6 are installed at the two ends of the workbench 1 respectively, the take-up and pay-off auxiliary mechanism 6 installed on the left side of the workbench 1 assists in paying off the yarn, the take-up and pay-off auxiliary mechanism 6 installed on the right side of the workbench 1 assists in taking up the yarn, the fixed shaft 62 is fixedly installed on the two positioning seats 61, the plurality of second bearings 63 are fixedly installed on the fixed shaft 62, and the winding disc 64 is fixedly installed on the plurality of second bearings 63. The yarn to be wound is passed from the bottom of the winding groove 641 of the left winding disc 64, from the top of the wire clamping groove 521 of the guide wheel 52, and finally from the bottom of the winding groove 641 of the right winding disc 64, and the taking up and paying off of the yarn is completed.

[0039] The side of the fixing table 51 is fixedly provided with a guide buckle 56, the guide buckle 56 is sleeved with a guide rod 561, the guide buckle 56 is sleeved on the surface of the guide rod 561, the bottom end of the guide rod 561 is fixedly provided with a fixing seat 562, and the fixing seat 562 is fixedly installed on the bottom surface of the installation groove 11.

[0040] By adopting the above technical scheme, when the fixing table 51 is lifted, the guide buckle 56 installed on one side of the fixing table 51 slides on the surface of the guide rod 561, the stability of the fixing table 51 during lifting is increased through the cooperation of the guide buckle 56 and the guide rod 561, and the fixing table 51 is guided at the same time.

[0041] The bottom surface of the adjusting table 41 is symmetrically provided with sliding rails 412, and the inner bottom surface of the operation room 2 is symmetrically provided with sliding channels 21; the sliding rails 412 are sleeved on the surfaces of the sliding channels 21, and the sliding rails 412 and the sliding channels 21 are matched with each other.

[0042] By adopting the above technical scheme, when the adjusting table 41 moves, the two sliding rails 412 installed on the bottom surface of the adjusting table 41 slide on the surfaces of the two sliding channels 21, the stability of the adjusting table 41 during movement is increased through the cooperation of the sliding rails 412 and the sliding channels 21, and the guiding task of the adjusting table 41 is completed at the same time.

[0043] The top surface of the adjusting table 41 is fixedly provided with auxiliary frames 411 which are uniformly distributed on one side, and the toothed plate 44 is sleeved in the auxiliary frames 411; the auxiliary frames 411 and the toothed plate 44 are matched with each other.

[0044] By adopting the above technical scheme, the number of the auxiliary frames 411 is three, the toothed plate 44 is moved with the assistance of the three auxiliary frames 411, the stability of the toothed plate 44 during movement is increased, and the toothed plate 44 is guided at the same time.

[0045] The surfaces of the lead screws 32 are sleeved with first rotating parts 321 at both ends, one side of the operation room 2 is provided with a sliding groove 22, the sliding sleeve 33 is slidably installed in the sliding groove 22 through the lead screws 32, the two first rotating parts 321 are fixedly installed in the two sides of the sliding groove 22, the surface of the threaded rod 54 is sleeved with a second rotating part 541 at one end close to the transmission gear 55, and the second rotating part 541 is fixedly installed in the workbench 1.

[0046] By adopting the above technical scheme, the lead screws 32 are rotated with the assistance of the two first rotating parts 321, the stability of the lead screws 32 during rotation is increased, the threaded rod 54 is rotated with the assistance of the second rotating part 541, and the stability of the threaded rod 54 during rotation is increased.

[0047] The bottom surface of the workbench 1 is fixedly provided with a support frame 7 which cooperates with the workbench 1;

[0048] By adopting the above technical scheme, the workbench 1 is supported and fixed by the support frame 7, and the device is placed in a designated area to complete the unwinding work of the yarn.

[0049] A use method of the yarn automatic tensioning mechanism, comprising the following steps:

[0050] Step one: control the tension of each group of yarns by the multiple groups of tensioning mechanism bodies 5 provided in the device, when the tension of the yarn controlled by a certain tensioning mechanism body 5 is loose, turn on the switch of the motor 31 in the adjusting mechanism 3, control the rotation of the lead screw 32 through the output end of the motor 31, control the sliding sleeve 33 to slide on the surface of the lead screw 32, and control the adjusting table 41 of the driving mechanism 4 to move in the operation chamber 2 through the sliding sleeve 33;

[0051] Step two: move the adjusting table 41 of the driving mechanism 4 to the bottom of the tensioning mechanism body 5 which needs to be adjusted by the adjusting mechanism 3, move the toothed plate 44 of the driving mechanism 4 to one side edge of the transmission gear 55, when the toothed plate 44 of the driving mechanism 4 is in meshing state with the transmission gear 55 of the tensioning mechanism body 5 which needs to be adjusted, stop the adjusting mechanism 3;

[0052] Step three: turn on the switch of the electric push rod 42 in the driving mechanism 4, control the toothed plate 44 to move through the connecting piece 43 installed at the output end of the electric push rod 42, drive the transmission gear 55 to rotate through the toothed plate 44, drive the threaded rod 54 to rotate when the transmission gear 55 rotates, control the threaded pieces 531 installed by the two lifting frames 53 to rise through the rotating threaded rod 54, thereby control the fixed table 51 to rise through the threaded pieces 531, drive the yarn clamped in the clamping groove 521 of the guide wheel 52 to rise through the fixed table 51, and complete the individual adjustment of the loose yarn tension.

[0053] Working principle: assist the yarn to unwind through the take-up and pay-off auxiliary mechanism 6 installed on the left side of the workbench 1, assist the yarn to wind through the take-up and pay-off auxiliary mechanism 6 installed on the right side of the workbench 1, pass the yarn to be wound from the bottom of the winding groove 641 of the left winding disc 64, from the top of the clamping groove 521 of the guide wheel 52, and finally from the bottom of the winding groove 641 of the right winding disc 64, and complete the unwinding and winding of the yarn;

[0054] When the yarn tension controlled by the tensioning mechanism body 5 is loose, the switch of the motor 31 in the adjusting mechanism 3 is turned on, the rotation of the lead screw 32 is controlled through the output end of the motor 31, when the lead screw 32 rotates, the sliding sleeve 33 slides on the surface of the lead screw 32 is controlled, the adjusting table 41 of the driving mechanism 4 is controlled to move in the operation chamber 2 through the sliding sleeve 33, the adjusting table 41 of the driving mechanism 4 is moved to the bottom of the tensioning mechanism body 5 which needs to be adjusted through the adjusting mechanism 3, the toothed plate 44 of the driving mechanism 4 is moved to one side edge of the transmission gear 55, when the toothed plate 44 of the driving mechanism 4 is in meshing state with the transmission gear 55 of the tensioning mechanism body 5 which needs to be adjusted, the adjusting mechanism 3 stops working.

[0055] The switch of the electric push rod 42 in the driving mechanism 4 is turned on, the toothed plate 44 is controlled to move through the connecting piece 43 installed on the output end of the electric push rod 42, the transmission gear 55 is driven to rotate through the toothed plate 44, when the transmission gear 55 rotates, the threaded rod 54 is driven to rotate, when the threaded rod 54 rotates, the threaded pieces 531 installed by the two lifting frames 53 are controlled to rise on the surface of the threaded rod 54, so that the fixed table 51 is controlled to rise through the threaded pieces 531, the yarn clamped in the wire clamping groove 521 of the guide wheel 52 is driven to rise through the fixed table 51, the separate adjustment of the loose yarn tension is completed.

[0056] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A yarn automatic tensioning mechanism comprising a worktable (1), characterized in that: The operating room (2) is arranged in the middle of one side of the workbench (1), the adjusting mechanism (3) is installed on one side of the operating room (2), the driving mechanism (4) is installed in the operating room (2), the adjusting mechanism (3) and the driving mechanism (4) are matched with each other, the mounting groove (11) is arranged in the middle of the top surface of the workbench (1), the tensioning mechanism bodies (5) are uniformly arranged in the mounting groove (11), the positioning grooves (12) are symmetrically arranged on both sides of the top surface of the workbench (1), and the folding auxiliary mechanisms (6) are installed in the two positioning grooves (12); the tensioning mechanism bodies (5) include the fixed table (51), the lifting frames (53) are fixedly installed on the bottom surface of the fixed table (51), the threaded pieces (531) are fixedly installed in one end of the lifting frames (53), the threaded rods (54) are uniformly arranged in the mounting groove (11), the threaded rods (54) are rotatably installed in the mounting groove (11), the threaded pieces (531) and the threaded rods (54) are matched with each other and are slidably arranged on the surface of the threaded rods (54), the transmission gears (55) are fixedly installed at the bottom ends of the threaded rods (54), the driving mechanism (4) includes the adjusting table (41), the electric push rod (42) is fixedly installed on one side of the adjusting table (41), the connecting piece (43) is fixedly installed at the output end of the electric push rod (42), the toothed plate (44) is fixedly installed on one side of the connecting piece (43), and the toothed plate (44) is matched with the transmission gears (55). The adjusting mechanism (3) includes the motor (31), the motor (31) is fixedly installed on one side of the workbench (1), the screw rod (32) is fixedly installed at the output end of the motor (31), the sliding sleeve (33) is threadedly arranged on the surface of the screw rod (32), and the adjusting table (41) is fixedly installed on one side of the sliding sleeve (33); the sliding sleeve (33) is matched with the adjusting table (41). The first rotating pieces (321) are arranged on the surface of the screw rod (32), the sliding groove (22) is arranged on one side of the operating room (2), the sliding sleeve (33) is slidably installed in the sliding groove (22) through the screw rod (32), the first rotating pieces (321) are fixedly installed in the two sides of the sliding groove (22), the second rotating piece (541) is arranged on one end of the surface of the threaded rod (54) close to the transmission gear (55), and the second rotating piece (541) is fixedly installed in the workbench (1). ​ 2. A self-thread-tensioning mechanism as claimed in claim 1, characterized in that The top surface of the fixing table (51) is fixedly provided with a fixing plate (511) on both sides, and a first bearing (512) is fixedly arranged on the opposite side of each fixing plate (511). Two first bearings (512) are fixedly arranged in the fixing plate (511), and a rotating shaft (513) is fixedly arranged in the first bearing (512). A guide wheel (52) is fixedly arranged on the surface of the rotating shaft (513), and the guide wheel (52) is rotatably arranged in the fixing plate (511) through the first bearing (512). A wire clamping groove (521) is formed in the surface of the guide wheel (52).

3. A self-thread tensioning mechanism as claimed in claim 2, characterized in that The auxiliary mechanism (6) includes a positioning seat (61), and the positioning seat (61) is fixedly arranged in the auxiliary mechanism (6). The positioning seat (61) is provided with a fixing shaft (62), and the fixing shaft (62) is fixedly arranged in the positioning seat (61). The surface of the fixing shaft (62) is fixedly provided with a second bearing (63), and the surface of the second bearing (63) is fixedly provided with a winding disc (64). The winding disc (64) is rotatably arranged on the surface of the fixing shaft (62) through the second bearing (63). The winding disc (64) is matched with the guide wheel (52), and the winding disc (64) is provided with a winding groove (641).

4. A self-thread tensioning mechanism as claimed in claim 3, characterized in that The fixing table (51) is fixedly provided with a guide buckle (56) on one side, and the guide buckle (56) is rotatably arranged on the fixing table (51). The guide buckle (56) is rotatably arranged on the guide buckle (56), and the guide buckle (56) is rotatably arranged on the guide buckle (56). The bottom end of the guide buckle (56) is fixedly provided with a fixing seat (562), and the fixing seat (562) is fixedly arranged on the bottom surface of the fixing seat (562).

5. A self-threading mechanism as claimed in claim 4, characterized in that The bottom surface of the adjusting table (41) is symmetrically provided with a sliding rail (412), and the bottom surface of the operating chamber (2) is symmetrically provided with a sliding rail (412). The sliding rail (412) is rotatably arranged on the surface of the sliding rail (412), and the sliding rail (412) is rotatably arranged on the surface of the sliding rail (412). The sliding rail (412) is matched with the sliding rail (412).

6. A self-threading mechanism as claimed in claim 5, characterized in that The top surface of the adjusting table (41) is fixedly provided with a plurality of auxiliary frames (411), and the auxiliary frames (411) are rotatably arranged on the adjusting table (41). The tooth plate (44) is rotatably arranged in the auxiliary frame (411), and the auxiliary frame (411) is rotatably arranged in the auxiliary frame (411).

7. A self-threading mechanism as claimed in claim 6, characterized in that The bottom surface of the workbench (1) is fixedly provided with a support frame (7), and the support frame (7) is matched with the workbench (1).

8. The method of using an automatic thread tensioner of claim 7, wherein, The method comprises the following steps: Step one: control the tension of each group of yarns through the plurality of tensioning mechanism bodies (5) provided by the device. When the tension of the yarn controlled by a certain tensioning mechanism body (5) is loose, turn on the switch of the motor (31) in the adjusting mechanism (3), control the rotation of the lead screw (32) through the output end of the motor (31), and control the sliding of the sliding sleeve (33) on the surface of the lead screw (32) when the lead screw (32) rotates. Step two: move the adjustment platform (41) of the driving mechanism (4) to the bottom of the tensioning mechanism body (5) through the adjusting mechanism (3) to adjust the yarn tightness, move the gear plate (44) of the driving mechanism (4) to one side edge of the transmission gear (55), when the gear plate (44) of the driving mechanism (4) is in meshing state with the transmission gear (55) of the tensioning mechanism body (5) to be adjusted, stop the adjusting mechanism (3); Step three: turn on the switch of the electric push rod (42) in the driving mechanism (4), control the gear plate (44) to move through the connecting piece (43) installed at the output end of the electric push rod (42), drive the transmission gear (55) to rotate through the gear plate (44), when the transmission gear (55) rotates, drive the threaded rod (54) to rotate, control the threaded pieces (531) installed by the two lifting frames (53) to rise through the rotating threaded rod (54), thereby control the fixed platform (51) to rise through the threaded pieces (531), drive the yarn clamped in the wire clamping groove (521) of the guide wheel (52) to rise through the fixed platform (51), complete the separate adjustment of the loose yarn tightness.

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