Automatic open gear adjusting device of warp knitting machine

Abstract

The invention relates to the technical field of warp knitting machines, in particular to an automatic open gear adjusting device of a warp knitting machine, which is characterized by comprising an adjusting component and two open gear components which are symmetrically arranged, the adjusting assembly is used for driving the lower rotating shafts of the two opening assemblies to rotate so as to drive the knocking-over plates of the two opening assemblies to move close to each other or away from each other. The adjusting assembly comprises a public driving mechanism, two independent driving mechanisms, two symmetrically-arranged motion output self-locking mechanisms and two real-time rotating position recording mechanisms. According to the invention, active adjustment can be realized, the adjustment process is simpler, the efficiency is high, the two knocking-over bars can be separately and independently adjusted conveniently, the influence caused by transmission error accumulation can be eliminated, and the problems that the respective adjustment distances of the two knocking-over bars are inconsistent and the adjustment is asynchronous are effectively avoided; and it is effectively ensured that the distance between the two knocking-over bars meets the set requirement after adjustment, and the overall quality of woven fabric is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of warp knitting machine technology, and more specifically to an automatic warp knitting machine opening device. Background Technology

[0002] A warp knitting machine is a machine used to produce knitted fabrics. It manufactures fabrics with specific structures and textures through specific knitting processes. The take-off plate is an important component of the warp knitting machine, helping to control the tension and position of the yarns during the knitting process, ensuring the quality and structure of the fabric. When knitting fabrics, to adapt to the needs of fabrics of different thicknesses, the opening adjustment mainly involves finely adjusting the distance between the two take-off plates within a certain adjustable range to ensure that the woven fabric meets the expected density and structural standards, as illustrated in the utility model patent with publication number CN210002034U. The patent provides a warp knitting machine's loop-off adjustment mechanism, which uses two pairs of symmetrically placed bevel gears for transmission, converting rotation in one direction to rotation in another. It is flexible in rotation and has a small load. By controlling the first and second swing shafts to rotate in opposite directions, the first and second drive components drive the first and second loop-off brackets to move up and down, respectively. This, in turn, controls the first and second loop-off plates to move in opposite directions, thereby adjusting the loop-off plates. When only one side of the loop-off plate needs to be adjusted, the third coupling can be loosened to adjust the side that needs to be adjusted individually. However, this warp knitting machine's loop-off adjustment mechanism has the following shortcomings: First, it uses a manual adjustment method, which is relatively cumbersome and inefficient. Furthermore, it cannot achieve automatic dynamic adjustment of the loop-off during machine operation, hindering the dynamic adjustment of fabric thickness and the creation of a three-dimensional texture effect. Second, when only one side of the loop-off plate needs adjustment, the third coupling must be manually loosened, which is relatively troublesome and time-consuming. Third, with prolonged use and the accumulation of transmission errors, the two loop-off plates may experience inconsistent adjustment distances and asynchronous adjustments, resulting in the distance between them not meeting the set requirements after adjustment. This affects the overall quality of the woven fabric and necessitates regular inspection and maintenance, increasing maintenance costs and failure rates. Therefore, this problem has been thoroughly studied, leading to this case. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide an automatic gear-opening device for a warp knitting machine that can achieve active adjustment, has a simpler and more efficient adjustment process, and can easily achieve separate and independent adjustment of the two release plates. It can eliminate the influence of transmission error accumulation, effectively avoid the problem of inconsistent adjustment distances and asynchronous adjustment of the two release plates, and effectively ensure that the distance between the two release plates after adjustment meets the set requirements, thus guaranteeing the overall quality of the woven fabric.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: an automatic opening device for a warp knitting machine, comprising an adjustment component and two symmetrically arranged opening components. The adjustment component is used to drive the lower rotating shafts of the two opening components to rotate, thereby causing the release plates of the two opening components to move closer to or further away from each other. The adjustment component includes a common drive mechanism, two independent drive mechanisms, two symmetrically arranged motion output self-locking mechanisms, and two real-time rotation position recording mechanisms. The motion output self-locking mechanism is provided with a common motion input end, an independent motion input end, and a self-locking motion output end. The common drive mechanism is driven to the common motion input end of the two motion output self-locking mechanisms. The two independent drive mechanisms are driven to the independent motion input ends of the two motion output self-locking mechanisms, respectively. The self-locking motion output ends of the two motion output self-locking mechanisms are driven to the two lower rotating shafts, respectively. The motion output self-locking mechanism is used to output the motion inputs from the common drive mechanism and the independent drive mechanism individually or in combination, and has a self-locking function. The two real-time rotation position recording mechanisms are used to record the real-time rotation positions of the two lower rotating shafts.

[0005] Furthermore, the motion output self-locking mechanism includes a fixed housing, a planetary transmission assembly, a self-locking transmission assembly, and a connecting shaft. The planetary transmission assembly is rotatably mounted in the inner cavity of the fixed housing. Both the common motion input end and the independent motion input end are located on the planetary transmission assembly. The planetary transmission assembly is also provided with a composite motion output end. The composite motion output end of the planetary transmission assembly is connected to the connecting shaft through the self-locking transmission assembly. The connecting shaft is rotatably mounted in the inner cavity of the fixed housing through a first bearing and extends out of the fixed housing. It is also connected to the lower rotating shaft through an output coupling. The fixed housing is provided with a through hole through which the connecting shaft can pass. The connecting shaft is the self-locking motion output end.

[0006] Furthermore, the planetary transmission assembly includes a rotating housing, a planet carrier, planet gears, and a sun gear. The rotating housing has a rotating cavity and is rotatably connected to a fixed housing via a front bearing and a rear bearing. An internal gear ring is coaxially fixed on the inner circumferential surface of the rotating housing, and an input gear is coaxially fixed on the outer circumferential surface of the rotating housing. The fixed housing has an arc-shaped notch corresponding to the input gear, which serves as the common motion input end. The planet carrier, planet gears, and sun gear are all located within the rotating cavity. An input shaft is fixed at the center of one end face of the sun gear, serving as an independent motion input end. The input shaft is rotatably connected to the rotating housing via a second bearing and extends out of the rotating housing. Multiple planet shafts are fixed on one end face of the planet carrier. Multiple planet gears are arranged corresponding to each of the planet shafts and are evenly distributed along the circumference of the sun gear. The planet gears are rotatably connected to the planet shafts via a third bearing and mesh with both the sun gear and the internal gear ring. A central shaft is fixed at the center of the other end face of the planet carrier. The central shaft is rotatably connected to the rotating housing via a fourth bearing and extends out of the rotating housing, serving as the output end of the combined motion.

[0007] Furthermore, there are three planetary axes and three planetary gears.

[0008] Furthermore, the fixed shell includes a first shell and a first end plate. The inner cavity is located inside the first shell and extends through both ends of it. The arc-shaped notch and the through hole are both located on the first shell. A fixed seat is fixedly provided on one side of the outer peripheral surface of the first shell. An annular partition is fixedly provided on the inner peripheral surface of the first shell. A mounting plate for installing the connecting shaft is fixedly provided on the surface of the annular partition near the through hole. There are two mounting plates, which are spaced apart. The first end plate is fixedly installed on the first shell at the opening near the through hole.

[0009] Furthermore, the rotating housing includes a second housing and a second end plate. The rotating cavity is located inside the second housing and extends through one end of it. The center of the other end face of the second housing is provided with a first rotating hole for the central shaft to pass through. The internal gear ring and the input gear are both located on the second housing. The second end plate is fixedly installed at one end opening of the second housing. The center of the second end plate is provided with a second rotating hole for the input shaft to pass through.

[0010] Furthermore, the self-locking transmission assembly includes a worm and a worm wheel. The worm is coaxially fixedly mounted on the central shaft, and the worm wheel is coaxially fixedly mounted on the connecting shaft. The worm and the worm wheel mesh and transmit power together.

[0011] Furthermore, the common drive mechanism includes a common motor, a common shaft, and common gears. The common motor is fixedly mounted on a fixed first motor base. The motor shaft of the common motor is connected to one end of the common shaft via a first input coupling. The common shaft is rotatably mounted on two spaced and fixed bearings. Two spaced common gears are coaxially fixedly mounted on the common shaft. The two common gears correspond one-to-one with the input gears on the two motion output self-locking mechanisms, and the two mesh and drive each other. The common motor is a servo motor.

[0012] Furthermore, the independent drive mechanism includes an independent motor, which is fixedly mounted on a second motor mount, which is fixedly mounted on a fixed housing. The motor shaft of the independent motor is connected to the input shaft via a second input coupling. The independent motor is a servo motor.

[0013] Furthermore, the real-time rotational position recording mechanism includes a rotary potentiometer, a large gear, and a small gear. The rotary potentiometer is fixedly mounted on a fixed mounting base. A small gear is fixedly mounted on the rotational shaft of the rotary potentiometer, and a large gear is fixedly mounted on the connecting shaft. The small gear and the large gear mesh and drive each other.

[0014] As can be seen from the above description, the automatic opening device for a warp knitting machine provided by the present invention has the following beneficial effects: I. By setting up two motion output self-locking mechanisms, when the common drive mechanism starts to perform the corresponding motion, while the two independent drive mechanisms are not started, the motion output by the common drive mechanism can be simultaneously input from the common motion input terminals of the two motion output self-locking mechanisms. Then, through the self-locking motion output terminals of the two motion output self-locking mechanisms, a single motion output is achieved, driving the two lower rotating shafts to rotate simultaneously. This allows for simultaneous adjustment of the rotation of the two lower rotating shafts. Since the two motion output self-locking mechanisms are symmetrically arranged, the motions output by the two mechanisms are opposite, thus achieving reverse rotation of the two lower rotating shafts. When the independent drive mechanisms start to perform the corresponding motion, while the common drive mechanism is not started, the motion output by the independent drive mechanism can be independently input from the independent motion input terminal of the corresponding side's motion output self-locking mechanism. Then, through the self-locking motion output terminal of the corresponding side's motion output self-locking mechanism, a single motion output is achieved, driving the corresponding side's... The lower shaft rotates independently to achieve independent adjustment of the rotation of the lower shaft on the corresponding side. When the common drive mechanism and the independent drive mechanism work simultaneously, the motion of the common drive mechanism and the independent drive mechanism are simultaneously input into the corresponding motion output self-locking mechanism, and the motion is synthesized and output through the self-locking motion output end of the motion output self-locking mechanism. When both the common drive mechanism and the independent drive mechanism stop working, the motion output self-locking mechanism can also self-lock the lower shaft to effectively prevent the disengagement plate from automatically rotating back and to effectively ensure the stability of the distance between the two disengagement plates after adjustment. At the same time, with the setting of two real-time rotation position recording mechanisms, the real-time rotation position of the two lower shafts can be recorded respectively, that is, the adjustment distance of each of the two disengagement plates and the distance between the two disengagement plates after adjustment are recorded in real time. This allows for feedback and real-time control of the motion output of the common drive mechanism and / or the independent drive mechanism, forming a closed-loop control to achieve precise adjustment. Second, by setting up a common drive mechanism, an independent drive mechanism, a motion output self-locking mechanism, and a real-time rotation position recording mechanism, it can achieve active adjustment, making the adjustment process simpler and more efficient. When the warp knitting machine is working, it can automatically and dynamically adjust the opening according to the set requirements, which is conducive to the dynamic adjustment of fabric thickness and the three-dimensional texture effect of the woven fabric. 3. When only one side of the derailment plate needs to be adjusted, simply start the independent drive mechanism on the corresponding side and drive the lower rotating shaft on the corresponding side to rotate. This will achieve the purpose of adjusting the derailment plate on the corresponding side without causing adjustment of the other side of the derailment plate. It can easily achieve separate and independent adjustment of the two derailment plates. The operation is simpler and more time-saving, and there is no need to stop the machine. IV. When adjusting the distance between the two release plates, the motion output by the common drive mechanism can be simultaneously input from the common motion input end of the two motion output self-locking mechanisms. Through the transmission of the motion output self-locking mechanisms, the two lower rotating shafts can be driven to rotate simultaneously in opposite directions, thereby causing the two release plates to move closer or further apart, thus adjusting the distance between them. Simultaneously, if needed, the two independent drive mechanisms can be activated adaptively, allowing the independent drive mechanism on the corresponding side to drive the lower rotating shaft on that side to rotate independently through the transmission of the motion output self-locking mechanism, thereby achieving... The independent adjustment of the rotation of the lower shaft on the corresponding side enables independent auxiliary fine-tuning of the movement of the release plate on the corresponding side. By utilizing the motion output self-locking mechanism on the corresponding side, the motion input from the common drive mechanism and the independent drive mechanism on the corresponding side is synthesized and output to eliminate the effects of accumulated transmission errors. This effectively avoids the problem of inconsistent adjustment distances and asynchronous adjustments of the two release plates, and effectively ensures that the distance between the two release plates after adjustment meets the set requirements. This guarantees the overall quality of the woven fabric and greatly reduces the number of periodic inspections and maintenance, thereby reducing maintenance costs and failure rates. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of an automatic opening device for a warp knitting machine according to the present invention.

[0016] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0017] Figure 3 for Figure 1 A magnified view of a portion of point B in the middle.

[0018] Figure 4 A schematic diagram of the internal structure of the motion output self-locking mechanism.

[0019] Figure 5 This is a partial three-dimensional structural diagram of the planetary transmission assembly and the self-locking transmission assembly.

[0020] Figure 6 This is a three-dimensional structural diagram of the first shell.

[0021] In the diagram: 1-Adjusting component; 2-Opening component; 21-Lower rotating shaft; 22-Disengagement plate; 23-Eccentric connecting rod mechanism; 24-Upper swing arm; 25-Upper rotating shaft; 26-Support plate; 3-Common drive mechanism; 31-Common motor; 32-Common shaft; 33-Common gear; 34-First motor base; 35-First input coupling; 36-Bearing with seat; 4-Independent drive mechanism; 41-Independent motor; 42-Second motor base; 43-Second input coupling; 5-Motion output self-locking mechanism; 51-Fixed housing; 511-First housing; 5111-Inner cavity; 5112-Through hole; 5113-Arc-shaped notch; 5114-Fixed seat; 5115-Annular partition; 5 116-Mounting plate; 512-First end plate; 52-Planetary transmission assembly; 521-Rotating housing; 5211-Second housing; 52111-Rotating cavity; 5212-Second end plate; 522-Planet carrier; 5221-Planet shaft; 5222-Central shaft; 523-Planet gear; 524-Sun gear; 5241-Input shaft; 5251-Front bearing; 5252-Rear bearing; 526-Internal gear ring; 527-Input gear; 53-Self-locking transmission assembly; 531-Worm gear; 532-Worm wheel; 54-Connecting shaft; 6-Real-time rotational position recording mechanism; 61-Rotary potentiometer; 62-Large gear; 63-Small gear; 64-Mounting base; 7-Output coupling. Detailed Implementation

[0022] The present invention will be further described below through specific embodiments.

[0023] like Figures 1 to 6 As shown, the automatic opening device for a warp knitting machine according to the present invention includes an adjustment component 1 and two symmetrically arranged opening components 2. The adjustment component 1 is used to drive the lower rotating shafts 21 of the two opening components 2 to rotate, thereby causing the release plates 22 of the two opening components 2 to move closer to or further away from each other. The adjustment component 1 includes a common drive mechanism 3, two independent drive mechanisms 4, two symmetrically arranged motion output self-locking mechanisms 5, and two real-time rotation position recording mechanisms 6. The motion output self-locking mechanism 5 is provided with a common motion input end, an independent motion input end, and a self-locking motion output end. The common drive mechanism 3... The common motion input end of each of the two motion output self-locking mechanisms 5 is driven by the two independent drive mechanisms 4, which are respectively driven by the two independent motion input ends of the two motion output self-locking mechanisms 5. The self-locking motion output ends of the two motion output self-locking mechanisms 5 are respectively driven by the two lower rotating shafts 21. The motion output self-locking mechanism 5 is used to output the motion input by the common drive mechanism 3 and the independent drive mechanism 4 individually or in combination, and has a self-locking function. The two real-time rotation position recording mechanisms 6 are respectively used to record the real-time rotation position of the two lower rotating shafts 21.

[0024] With the two motion output self-locking mechanisms 5 in place, when the common drive mechanism 3 starts to perform the corresponding motion, while the two independent drive mechanisms 4 are not started, the motion output by the common drive mechanism 3 can be simultaneously input from the common motion input terminals of the two motion output self-locking mechanisms 5. Then, through the self-locking motion output terminals of the two motion output self-locking mechanisms 5, a single motion output is achieved, driving the two lower rotating shafts 21 to rotate simultaneously. This allows for simultaneous adjustment of the rotation of the two lower rotating shafts 21. Since the two motion output self-locking mechanisms 5 are symmetrically arranged, the motions output by the two motion output self-locking mechanisms 5 are opposite, thus achieving reverse rotation of the two lower rotating shafts 21. When the independent drive mechanism 4 starts to perform the corresponding motion, while the common drive mechanism 3 is not started, the motion output by the independent drive mechanism 4 can be independently input from the independent motion input terminal of the corresponding side of the motion output self-locking mechanism 5. Then, through the self-locking motion output terminal of the corresponding side of the motion output self-locking mechanism 5, a single motion output is achieved, driving the corresponding side of the lower rotating shaft 21. Independent rotation is achieved to independently adjust the rotation of the lower shaft 21 on the corresponding side. When the common drive mechanism 3 and the independent drive mechanism 4 work simultaneously, the motion of the common drive mechanism 3 and the independent drive mechanism 4 is simultaneously input into the corresponding motion output self-locking mechanism 5, and the motion is synthesized and output through the self-locking motion output end of the motion output self-locking mechanism 5. When both the common drive mechanism 3 and the independent drive mechanism 4 stop working, the motion output self-locking mechanism 5 can also self-lock the lower shaft 21 to effectively prevent the disengagement plate 22 from automatically rotating back, and effectively ensure the stability of the distance between the two disengagement plates 22 after adjustment. At the same time, with the setting of two real-time rotation position recording mechanisms 6, the real-time rotation position of the two lower shafts 21 can be recorded respectively, that is, the adjustment distance of each of the two disengagement plates 22 and the distance between the two disengagement plates 22 after adjustment are recorded in real time, thereby feeding back and controlling the motion output of the common drive mechanism 3 and / or the independent drive mechanism 4 in real time, and forming a closed-loop control to achieve the purpose of precise adjustment.

[0025] Therefore, through the configuration of the common drive mechanism 3, the independent drive mechanism 4, the motion output self-locking mechanism 5, and the real-time rotation position recording mechanism 6, active adjustment can be achieved, making the adjustment process simpler and more efficient. Furthermore, during warp knitting machine operation, automatic dynamic adjustment of the opening position can be achieved according to set requirements, which is beneficial for dynamic adjustment of fabric thickness and the three-dimensional texture effect of the woven fabric. When only one side of the unwinding plate 22 needs adjustment, simply activating the corresponding independent drive mechanism 4 and rotating the corresponding lower rotating shaft 21 is sufficient to adjust the unwinding plate 22 on that side without affecting the adjustment of the other side's unwinding plate 22. This allows for convenient and independent adjustment of the two unwinding plates 22, simplifying and saving time without requiring machine downtime. When adjusting the distance between the two unwinding plates 22, the motion output by the common drive mechanism 3 can be simultaneously input from the common motion input terminals of the two motion output self-locking mechanisms 5, and through the transmission of the motion output self-locking mechanism 5, the two lower rotating shafts 21 can be simultaneously reversed. The rotation causes the two decoupling plates 22 to move closer or further apart, adjusting the distance between them. Simultaneously, if needed, the two independent drive mechanisms 4 can be activated adaptively, allowing the corresponding independent drive mechanism 4 to drive the corresponding lower shaft 21 to rotate independently via the motion output self-locking mechanism 5. This enables independent adjustment of the rotation of the corresponding lower shaft 21, thus providing independent auxiliary fine-tuning of the movement of the decoupling plate 22. The motion output self-locking mechanism 5 on the corresponding side synthesizes the motion inputs from the common drive mechanism 3 and the corresponding independent drive mechanism 4, eliminating the effects of accumulated transmission errors. This effectively avoids inconsistent and asynchronous adjustment of the two decoupling plates 22, ensuring that the distance between them meets the set requirements after adjustment. This guarantees the overall quality of the woven fabric, significantly reducing the frequency of periodic inspections and maintenance, thereby lowering maintenance costs and failure rates.

[0026] Accordingly, the opening assembly 2 includes the lower rotating shaft 21, the eccentric connecting rod mechanism 23, the upper swing arm 24, the upper rotating shaft 25, and the disengagement plate 22. The upper rotating shaft 25 is arranged parallel to the lower rotating shaft 21 and is rotatably mounted on the support plate 26. The lower end of the eccentric connecting rod mechanism 23 is eccentrically rotatably connected to the lower rotating shaft 21, and the upper end of the eccentric connecting rod mechanism 23 is hinged to one end of the upper swing arm 24. The other end of the upper swing arm 24 is rotatably connected to the upper rotating shaft 25 and the disengagement plate 22 is fixedly mounted thereon. The adjusting assembly 1 is used to drive the two... The lower rotating shaft 21 of the opening assembly 2 rotates and is driven by the eccentric linkage mechanism 23 to drive the disengagement plates 22 of the two opening assemblies 2 to move closer or further apart. In addition, the eccentric linkage mechanism 23 includes an eccentric sleeve and a connecting rod. The eccentric sleeve is fixedly fitted on the lower rotating shaft 21, and the lower end of the connecting rod is rotatably connected to the eccentric sleeve, thereby realizing the eccentric rotational connection between the lower end of the eccentric linkage mechanism 23 and the lower rotating shaft 21. Since the opening assembly 2 is prior art, it will not be described in detail here.

[0027] The motion output self-locking mechanism 5 includes a fixed housing 51, a planetary transmission assembly 52, a self-locking transmission assembly 53, and a connecting shaft 54. The planetary transmission assembly 52 is rotatably mounted in the inner cavity 5111 of the fixed housing 51. The common motion input end and the independent motion input end are both located on the planetary transmission assembly 52. ​​The planetary transmission assembly 52 also has a composite motion output end. The composite motion output end of the planetary transmission assembly 52 is connected to the connecting shaft 54 ​​via the self-locking transmission assembly 53. The connecting shaft 54 ​​is rotatably mounted in the inner cavity 5111 of the fixed housing 51 via a first bearing and extends out of the fixed housing 51. It is connected to the lower rotating shaft 21 via an output coupling 7. The fixed housing 51 has a through hole 5112 through which the connecting shaft 54 ​​can pass. The connecting shaft 54 ​​is the self-locking motion output end. When the motion output by the common motion mechanism passes through the common... When the motion input terminal is input into the planetary transmission assembly 52, a single motion output can be achieved through the composite motion output terminal. When the motion output by the independent motion mechanism is input into the planetary transmission assembly 52 through the independent motion input terminal, a single motion output can be achieved through the composite motion output terminal. When the common motion mechanism and the independent motion mechanism are simultaneously input into the planetary transmission assembly 52 through the common motion input terminal and the independent motion input terminal, respectively, a composite motion output can be achieved through the composite motion output terminal. Simultaneously, through the setting of the self-locking transmission assembly 53, the motion output by the composite motion output terminal can be input to the connecting shaft 54 ​​through the self-locking transmission assembly 53 and drive the connecting shaft 54 ​​to rotate. At the same time, when the composite motion output terminal does not output motion, the self-locking transmission assembly 53 can play a corresponding self-locking role, so that the connecting shaft 54 ​​will not rotate on its own.

[0028] The planetary transmission assembly 52 includes a rotating housing 521, a planet carrier 522, planet gears 523, and a sun gear 524. The rotating housing 521 has a rotating cavity 52111. The rotating housing 521 is rotatably connected to the fixed housing 51 via a front bearing 5251 and a rear bearing 5252. An internal gear ring 526 is coaxially fixed to the inner circumferential surface of the rotating housing 521, and an input gear 527 is coaxially fixed to the outer circumferential surface of the rotating housing 521. The fixed housing 51 has an arc-shaped notch 5113 corresponding to the input gear 527. The input gear 527 is the common motion input end. The planet carrier 522, planet gears 523, and sun gear 524 are all located within the rotating cavity 52111. An input shaft 5241 is fixedly provided at the center of one end face of the planetary carrier 524. The input shaft 5241 is the independent motion input end. The input shaft 5241 is rotatably connected to the rotating housing 521 through a second bearing and extends out of the rotating housing 521. A plurality of planetary shafts 5221 are fixedly provided on one end face of the planetary carrier 522. A plurality of planetary gears 523 are provided, each corresponding to one of the planetary shafts 5221 and evenly arranged along the circumference of the sun gear 524. The planetary gears 523 are rotatably connected to the planetary shafts 5221 through a third bearing and mesh with the sun gear 524 and the internal gear ring 526 for transmission. A central shaft 5222 is fixedly provided at the center of the other end face of the planetary carrier 522. 22 is rotatably connected to and extends out of the rotating housing 521 via the fourth bearing. The central shaft 5222 is the output end of the composite motion. It has a compact structure, occupies little space, runs smoothly, and has a deceleration effect. It can provide a precise transmission ratio, which is beneficial to improving the accuracy of the adjustment of the disengagement plate 22. Thus, when the input shaft 5241 and the sun gear 524 are fixed, the input gear 527 drives the rotating housing 521 to rotate and drives the internal gear ring 526 to rotate synchronously. At the same time, through the meshing transmission of the internal gear ring 526 and multiple planetary gears 523, the planet carrier 522 can be driven to rotate, thereby driving the central shaft 5222 to rotate synchronously, and realizing a single motion. When the rotating housing 521 and the internal gear ring 526 are fixed, and the input shaft 5241 drives the sun gear 524 to rotate, the sun gear 524, through meshing with multiple planet gears 523, can drive the planet carrier 522 to rotate, thereby driving the central shaft 5222 to rotate synchronously, achieving a single output of motion. When the input gear 527 drives the rotating housing 521 to rotate and drives the internal gear ring 526 to rotate synchronously, and the input shaft 5241 drives the sun gear 524 to rotate, the meshing of the internal gear ring 526 with multiple planet gears 523 and the meshing of the sun gear 524 with multiple planet gears 523 further contribute to the rotation.This can drive the planetary carrier 522 to rotate, thereby driving the central shaft 5222 to rotate synchronously, and achieving a synthesized motion output.

[0029] Preferably, there are three planetary shafts 5221 and three planetary gears 523.

[0030] The fixed shell 51 includes a first shell 511 and a first end plate 512. The inner cavity 5111 is located inside the first shell 511 and extends through both ends of it. The arc-shaped notch 5113 and the through hole 5112 are both located on the first shell 511. A fixed seat 5114 is fixedly provided on one side of the outer peripheral surface of the first shell 511. An annular partition 5115 is fixedly provided on the inner peripheral surface of the first shell 511. A mounting plate 5116 for mounting the connecting shaft 54 ​​is fixedly provided on the annular partition 5115 on the side surface near the through hole 5112. There are two mounting plates 5116, which are spaced apart. The first end plate 512 is fixedly installed on the first shell 511 at one end opening near the through hole 5112.

[0031] The rotating housing 521 includes a second housing 5211 and a second end plate 5212. The rotating cavity 52111 is disposed inside the second housing 5211 and extends through one end of it. The center of the other end face of the second housing 5211 is provided with a first rotating hole for the central shaft 5222 to pass through. The internal gear ring 526 and the input gear 527 are both disposed on the second housing 5211. The second end plate 5212 is fixedly installed at one end opening of the second housing 5211. The center of the second end plate 5212 is provided with a second rotating hole for the input shaft 5241 to pass through.

[0032] The self-locking transmission assembly 53 includes a worm 531 and a worm wheel 532. The worm 531 is coaxially fixedly mounted on the central shaft 5222. Correspondingly, the worm 531 has mounting holes that are adapted to the central shaft 5222 and pass through both ends. The worm wheel 532 is coaxially fixedly mounted on the connecting shaft 54. The worm 531 and the worm wheel 532 mesh and transmit power. By adopting the transmission form of worm wheel 532 and worm 531, the connecting shaft 54 ​​can be arranged perpendicularly to the central shaft 5222, and the direction of motion output can be adjusted. It also has self-locking properties, effectively preventing the disengagement plate 22 from rotating automatically, ensuring the accuracy of the distance adjustment between the two disengagement plates 22. Moreover, it has a compact structure, occupies little space, runs smoothly, has a deceleration effect, and can provide a precise transmission ratio, which is beneficial to improving the accuracy of the adjustment of the disengagement plate 22.

[0033] The common drive mechanism 3 includes a common motor 31, a common shaft 32, and a common gear 33. The common motor 31 is fixedly mounted on a fixed first motor base 34. The motor shaft of the common motor 31 is connected to one end of the common shaft 32 via a first input coupling 35. The common shaft 32 is rotatably mounted on two spaced and fixedly mounted bearings 36. Two spaced common gears 33 are coaxially fixedly mounted on the common shaft 32. The two common gears 33 correspond one-to-one with the input gears 527 on the two motion output self-locking mechanisms 5, and the two mesh with each other. The common motor 31 is a servo motor. By controlling the rotation of the common motor 31, the common shaft 32 can be driven to rotate, thereby driving the two common gears 33 to rotate synchronously. At the same time, the meshing of the common gears 33 with the input gears 527 drives the rotating housing 521 to rotate.

[0034] The independent drive mechanism 4 includes an independent motor 41, which is fixedly mounted on a second motor base 42. The second motor base 42 is fixedly mounted on the fixed housing 51. The motor shaft of the independent motor 41 is connected to the input shaft 5241 via a second input coupling 43. The independent motor 41 is a servo motor. By controlling the rotation of the independent motor 41, the input shaft 5241 can be driven to rotate.

[0035] The real-time rotational position recording mechanism 6 includes a rotary potentiometer 61, a large gear 62, and a small gear 63. The rotary potentiometer 61 is fixedly mounted on a fixed mounting base 64. The small gear 63 is fixedly mounted on the rotational shaft of the rotary potentiometer 61, and the large gear 62 is fixedly mounted on the connecting shaft 54. The small gear 63 meshes with the large gear 62 for transmission. Thus, when the rotary potentiometer 61 records the real-time rotational position of the connecting shaft 54, it records the real-time rotational position of the lower rotating shaft 21 and converts this real-time rotational position into a value that can be read by a computer. The read value can then be used to perform closed-loop control of the common motor 31 and the independent motor 41. Correspondingly, the rotary potentiometer 61, the common motor 31, and the independent motor 41 are all electrically connected to the controller. The rotary potentiometer 61 has advantages such as high precision, low price, and compact structure.

[0036] The above are merely some specific embodiments of the present invention, but the design concept of the present invention is not limited thereto. Any non-substantial modifications made to the present invention using this concept shall be considered as infringing upon the protection scope of the present invention.

Claims

1. An automatic opening device for a warp knitting machine, comprising an adjustment component and two symmetrically arranged opening components, wherein the adjustment component drives the lower rotating shafts of the two opening components to rotate, thereby causing the release plates of the two opening components to move closer to or further away from each other, characterized in that: The adjustment assembly includes a common drive mechanism, two independent drive mechanisms, two symmetrically arranged motion output self-locking mechanisms, and two real-time rotational position recording mechanisms. Each motion output self-locking mechanism has a common motion input end, an independent motion input end, and a self-locking motion output end. The common drive mechanism is drivenly connected to the common motion input ends of both motion output self-locking mechanisms. Each of the two independent drive mechanisms is drivenly connected to the independent motion input ends of the two motion output self-locking mechanisms. Each of the self-locking motion output ends of the two motion output self-locking mechanisms is drivenly connected to the two lower rotating shafts. The motion output self-locking mechanism is used to output the motion inputs from the common drive mechanism and the independent drive mechanisms individually or in combination, and has a self-locking function. The two real-time rotational position recording mechanisms are used to record the real-time rotational positions of the two lower rotating shafts.

2. The automatic opening device for a warp knitting machine according to claim 1, characterized in that: The motion output self-locking mechanism includes a fixed housing, a planetary transmission assembly, a self-locking transmission assembly, and a connecting shaft. The planetary transmission assembly is rotatably mounted in the inner cavity of the fixed housing. The common motion input end and the independent motion input end are both located on the planetary transmission assembly. The planetary transmission assembly also has a composite motion output end. The composite motion output end of the planetary transmission assembly is connected to the connecting shaft via the self-locking transmission assembly. The connecting shaft is rotatably mounted in the inner cavity of the fixed housing via a first bearing and extends out of the fixed housing. It is connected to the lower rotating shaft via an output coupling. The fixed housing has a through hole through which the connecting shaft can pass. The connecting shaft is the self-locking motion output end.

3. The automatic opening device for a warp knitting machine according to claim 2, characterized in that: The planetary transmission assembly includes a rotating housing, a planet carrier, planet gears, and a sun gear. The rotating housing has a rotating cavity and is rotatably connected to a fixed housing via a front bearing and a rear bearing. An internal gear ring is coaxially fixed to the inner circumferential surface of the rotating housing, and an input gear is coaxially fixed to the outer circumferential surface of the rotating housing. The fixed housing has an arc-shaped notch corresponding to the input gear, which serves as the common motion input end. The planet carrier, planet gears, and sun gear are all located within the rotating cavity. An input shaft is fixed to the center of one end face of the sun gear, and this input shaft serves as the independent motion input end. The input end has an input shaft that is rotatably connected to the rotating housing via a second bearing and extends out of the rotating housing. Multiple planetary shafts are fixedly mounted on one side of the planetary carrier. Multiple planetary gears are arranged corresponding to each of the planetary shafts and are evenly distributed along the circumference of the sun gear. Each planetary gear is rotatably connected to the planetary shaft via a third bearing and meshes with both the sun gear and the internal gear ring. A central shaft is fixedly mounted at the center of the other side of the planetary carrier. The central shaft is rotatably connected to the rotating housing via a fourth bearing and extends out of the rotating housing. The central shaft is the output end of the composite motion.

4. The automatic opening device for a warp knitting machine according to claim 3, characterized in that: The number of planetary axes and planetary gears is three.

5. The automatic opening device for a warp knitting machine according to claim 3, characterized in that: The fixed shell includes a first shell and a first end plate. The inner cavity is located inside the first shell and extends through both ends of it. The arc-shaped notch and the through hole are both located on the first shell. A fixed seat is fixedly provided on one side of the outer circumferential surface of the first shell. An annular partition is fixedly provided on the inner circumferential surface of the first shell. A mounting plate for installing the connecting shaft is fixedly provided on the surface of the annular partition near the through hole. There are two mounting plates, which are spaced apart. The first end plate is fixedly installed on the first shell at the opening near the through hole.

6. The automatic gear shifting device for a warp knitting machine according to claim 3, characterized in that: The rotating housing includes a second housing and a second end plate. The rotating cavity is disposed inside the second housing and extends through one end of it. The other end face of the second housing has a first rotating hole at its center for the central shaft to pass through. The internal gear ring and the input gear are both disposed on the second housing. The second end plate is fixedly installed at one end opening of the second housing. The center of the second end plate has a second rotating hole for the input shaft to pass through.

7. The automatic opening device for a warp knitting machine according to claim 3, characterized in that: The self-locking transmission assembly includes a worm and a worm wheel. The worm is coaxially fixedly mounted on the central shaft, and the worm wheel is coaxially fixedly mounted on the connecting shaft. The worm and the worm wheel mesh and transmit power together.

8. The automatic opening device for a warp knitting machine according to claim 3, characterized in that: The common drive mechanism includes a common motor, a common shaft, and common gears. The common motor is fixedly mounted on a fixed first motor base. The motor shaft of the common motor is connected to one end of the common shaft via a first input coupling. The common shaft is rotatably mounted on two spaced and fixed bearings. Two spaced common gears are coaxially fixedly mounted on the common shaft. The two common gears correspond one-to-one with the input gears on the two motion output self-locking mechanisms and mesh with each other for transmission. The common motor is a servo motor.

9. The automatic gear-adjusting device for a warp knitting machine according to claim 3, characterized in that: The independent drive mechanism includes an independent motor, which is fixedly mounted on a second motor mount. The second motor mount is fixedly mounted on the fixed housing. The motor shaft of the independent motor is connected to the input shaft via a second input coupling. The independent motor is a servo motor.

10. The automatic opening device for a warp knitting machine according to claim 2, characterized in that: The real-time rotational position recording mechanism includes a rotary potentiometer, a large gear, and a small gear. The rotary potentiometer is fixedly mounted on a fixed mounting base. The small gear is fixedly mounted on the rotational shaft of the rotary potentiometer, and the large gear is fixedly mounted on the connecting shaft. The small gear meshes with the large gear for transmission.

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