Full-electronic synchronous control transmission device of spinning frame

Abstract

The invention belongs to the technical field of textile machinery ring spinning frames, and particularly relates to a spinning frame full-electronic synchronous control transmission device which comprises a transmission box body, two spinning frame short vehicles are connected into a spinning frame long vehicle through the transmission box body, and a drafting assembly for driving a front roller, a rear roller and a middle roller to rotate is arranged at the top of the transmission box body; a first spinning frame spindle and a second spinning frame spindle are arranged on the two sides of the outer portion of the transmission box body respectively, and spindle motors driving the first spinning frame spindle and the second spinning frame spindle to rotate are arranged at one end of the first spinning frame spindle and one end of the second spinning frame spindle respectively and connected with a PLC and a man-machine interface. The PLC is connected with the front roller motor, the rear roller motor and the plurality of middle roller motors; by simultaneously controlling the spinning action and the collective doffing action of the two spinning frame short cars, the transmission of the spliced and lengthened spinning frame long car is realized, and the synchronous operation of the drafting action, the lifting action of the ring rail and the yarn guide plate and the collective doffing action in the spinning frame long car is met.

Description

Technical Field

[0001] This invention belongs to the technical field of ring spinning machines in textile machinery, specifically relating to a fully electronic synchronous control transmission device for ring spinning machines. Background Technology

[0002] Currently, textile enterprises still possess a large number of ring spinning machine short carriages. With the continuous improvement of spinning technology and the processing capacity of ring spinning machines, the breakage rate per thousand spindles per hour is constantly decreasing, while spinning indicators are increasing daily. If the existing two ring spinning machine short carriages could be converted into one long spinning machine carriage, it would not only simplify workshop and process management and maintenance, but also reduce the spinning quality difference rate between machines, and significantly reduce manual labor intensity or the number of workers per 10,000 spindles. However, when integrating two ring spinning machine short carriages into one long spinning machine carriage, since the two short carriages each have two control systems, these two short carriages need to independently control the transmission requirements and various actions of their drafting components, lifting components, and collective doffing systems. This not only causes differences in the spinning indicators of the two short carriages, but also requires manual operation of the two short carriages that make up the long spinning machine carriage, increasing manual labor intensity. Summary of the Invention

[0003] The purpose of this invention is to provide a fully electronic synchronous control transmission device for spinning frames, which can reduce the inter-frame variation rate of spinning parameters.

[0004] The technical solution of this invention is as follows: a fully electronic synchronous control transmission device for a spinning frame, comprising a transmission housing, which connects two short spinning frames into a long spinning frame. A drafting assembly is installed on the top of the transmission housing, comprising a front roller motor, a rear roller motor, and multiple middle roller motors. The front roller motor, rear roller motor, and multiple middle roller motors are all mounted on the top of the transmission housing via mounting plates. The front roller motor and rear roller motor are respectively connected to two sets of front roller heads and two sets of rear roller heads via roller transmission assemblies. Each middle roller motor is connected to a middle roller head via a middle roller reducer. The front roller head, rear roller head, and middle roller head are all mounted on the top of the transmission housing via roller mounting seats. The transmission housing is equipped with a lifting motor, the output of which is connected to a lifting reducer. A lifting assembly is mounted on each of the two output shafts of the lifting reducer, symmetrically positioned on both sides of the reducer. Each lifting assembly includes a worm gear mounted on the output shaft of the reducer, with a lifting chain connected to the worm gear. The lifting chain is sequentially connected to a winding sprocket, an upper guide wheel, and a first distribution shaft. The winding sprocket is located at the bottom of the transmission housing, while the upper guide wheel and the first distribution shaft are located at the top. Each first distribution shaft is equipped with a ring rail transmission assembly and a yarn guide plate transmission assembly. The two ring rail transmission assemblies and the two yarn guide plate transmission assemblies are respectively connected to the ring rail and yarn guide plate in the short carriages of two spinning machines. The transmission housing has a first spinning frame main shaft and a second spinning frame main shaft on its outer sides, respectively. The first and second spinning frame main shafts are located inside the two spinning frame carriages, and their ends extend into the transmission housing. A speed measuring device is installed at one end of each main shaft, with two such devices positioned between them. Both main shafts are equipped with a main shaft brake device, located on opposite side walls of the transmission housing. The other ends of each main shaft are equipped with a main shaft motor, each controlled by a main shaft frequency converter. Both main shaft motors and the two main shaft frequency converters are connected to a PLC controller and a human-machine interface (HMI). The PLC controller is connected to the HMI, a lifting motor, a front roller motor, a rear roller motor, and multiple middle roller motors.

[0005] Preferably, the roller drive assembly includes a front roller drive component and a rear roller drive component, both of which are mounted on the mounting wall plate. The rear roller drive component includes a rear roller drive gear mounted on the mounting wall plate. The rear roller drive gear is connected to a rear roller drive pulley via a rear roller drive shaft. The rear roller drive pulley is connected to the output shaft of the rear roller motor via a belt. A rear roller transition gear is meshed below the rear roller drive gear. The rear roller transition gear is mounted on the mounting wall plate, and rear roller input gears mesh on both sides of the rear roller transition gear. The two rear roller input gears are symmetrically arranged on both sides of the rear roller transition gear, and each rear roller input gear has a central portion. A rear roller input shaft is mounted on a mounting wall plate. Each rear roller input shaft has a rear roller output gear connected to both ends. All four rear roller output gears are connected to rear roller transition gears via rear roller drive belts. Each rear roller transition gear has an adjustment component connected to one side. Each rear roller transition gear is mounted on the mounting wall plate via an adjustment plate, and each rear roller transition gear is slidably connected to its corresponding adjustment plate via a sliding groove. Each rear roller transition gear has a rear roller drive gear meshing on one side. The middle of each of the four rear roller drive gears is connected to a rear roller drive shaft. The four rear roller drive shafts are connected to the rear roller head sections of two spinning frame carriages via couplings. The front roller drive component includes a front roller drive gear mounted on a mounting plate. The front roller drive gear is connected to a front roller drive wheel via a front roller drive shaft. The front roller drive wheel is connected to the output shaft of the front roller motor via a belt. A front roller transition gear is meshed below the front roller drive gear. The front roller transition gear is mounted on the mounting plate, and two first front roller input gears mesh on both sides of the front roller transition gear. Two first front roller input gears are symmetrically arranged on both sides of the front roller transition gear. A first front roller output gear is coaxially connected to one side of each of the two first front roller input gears. A second front roller input gear meshes with one side of each of the two first front roller output gears. Each input gear is coaxially connected to a second front roller output gear on one side. Each of the two second front roller output gears is meshed with a third front roller input gear on one side. Each of the two third front roller input gears is coaxially connected to a third front roller output gear on one side. The first, second, and third front roller input gears are all mounted on a mounting wall plate. Each of the two third front roller output gears is meshed with a front roller drive gear on one side. The two front roller drive gears are mounted on a front roller drive shaft. The two front roller drive shafts are symmetrically mounted on the mounting wall plate. Both ends of each front roller drive shaft are connected to the front roller head section on two spinning frame carriages via couplings.

[0006] Furthermore, the adjustment assembly includes a V-shaped adjustment arm, one end of which is rotatably connected to the rear roller input shaft, the middle part of which is connected to the rear roller bridge gear, and the other end of which is connected to its corresponding adjustment plate via an adjustment shaft, the adjustment shaft being located in an arc-shaped adjustment groove on the adjustment plate.

[0007] Preferably, the transmission ratio between the rear roller drive component and the plurality of middle roller reducers is 30 to 100, and the transmission ratio of the front roller drive component is 4 to 10.

[0008] Preferably, an encoder is installed on the front roller head section of any one spinning frame carriage, a rear roller sensor is installed on the rear roller head section of both spinning frame carriages, and a middle roller sensor is installed on the middle roller head section of both spinning frame carriages. The encoder, rear roller sensor, and middle roller sensor are all connected to a PLC controller.

[0009] Preferably, the ring rail drive assembly includes two ring rail lifting sprockets symmetrically arranged on the first distribution shaft. Each ring rail lifting sprocket is connected to a ring rail assembly on a spinning frame trolley via a ring rail lifting chain. The two ring rail drive assemblies respectively extend the ring rails in two spinning frame trolleys. The guide plate drive assembly includes a lifting drive shaft disposed on the side wall of the transmission housing, and the lifting drive shaft is disposed below the first distribution shaft. The two ends of the lifting drive shaft are respectively provided with a first drive sprocket and a second drive sprocket. The first drive sprocket is connected to a guide plate chain pulley disposed on the first distribution shaft via a second chain. The second drive sprocket is connected to a second distribution shaft via a drive chain belt. The second distribution shaft is sleeved outside the first distribution shaft. The two ends of the second distribution shaft are symmetrically provided with guide plate lifting sprockets. Each guide plate lifting sprocket is connected to a guide plate assembly on a spinning frame trolley via a guide plate lifting chain. The two guide plate drive assemblies respectively extend the guide plates in two spinning frame trolleys.

[0010] Preferably, the speed measuring device includes a speed measuring code disk disposed at the end of the main shaft of the first spinning machine or the main shaft of the second spinning machine. The speed measuring code disk has a plurality of small holes evenly distributed on it. A speed measuring sensor is disposed on one side of the speed measuring code disk, and there is a gap between the speed measuring sensor and the speed measuring code disk. The speed measuring sensor is mounted on a support base and is connected to a PLC controller.

[0011] Preferably, the main shaft braking device includes a brake disc sleeved on the outside of the main shaft of the first spinning machine or the main shaft of the second spinning machine, and a clamping assembly is provided on the upper part of the brake disc, which is installed on the outer wall of the transmission box.

[0012] Furthermore, the clamping assembly includes a brake mounting seat mounted on the outer wall of the transmission housing, and a clamping member is connected to one side of the brake mounting seat via a cylinder. The brake mounting seat and the clamping member are respectively disposed on both sides of the brake disc.

[0013] The beneficial effects of this invention are as follows: By simultaneously controlling the spinning and doffing actions of two short spinning frames, the integration of the original two short spinning frames is effectively solved, realizing the transmission of the spliced ​​and extended long spinning frame, and meeting the transmission requirements of the drafting components, lifting components, and collective doffing system in the long spinning frame, as well as the synchronous operation of the drafting action, the lifting action of the ring rail and guide plate, and the collective doffing action. This further improves the start-up head retention rate and spinning indicators of the spliced ​​long spinning frame. The operation of two short spinning frames can be controlled by the same PLC controller, reducing the difference rate of spinning indicators between the two short spinning frames, and at the same time reducing the labor intensity of spinning workers. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a front view of the overall structure of the present invention; Figure 2 This is a schematic diagram of the top structure of the transmission housing of the present invention; Figure 3 This is a schematic diagram of the roller drive assembly of the present invention; Figure 4 This is a schematic diagram of the result of the rear roller drive component of the present invention; Figure 5 This is a schematic diagram of the structure of the adjustment component of the present invention; Figure 6 This is a schematic diagram of the other side of the roller drive assembly of the present invention; Figure 7 This is a schematic diagram of the internal structure of the transmission housing of the present invention; Figure 8 This is a schematic diagram of the structure of the steel collar plate transmission assembly and the yarn guide plate transmission assembly of the present invention; Figure 9 This is a cross-sectional schematic diagram of the first distribution axis of the present invention. Detailed Implementation

[0016] 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.

[0017] In the description of this invention, it should be noted that the terms "middle," "upper," "lower," "side," "end," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0018] like Figure 1-9 As shown, the fully electronic synchronous control transmission device for a spinning frame includes a transmission housing 1. Two short spinning frames are connected to form a long spinning frame via the transmission housing 1. A drafting assembly 2 is mounted on the top of the transmission housing 1. The drafting assembly 2 includes a front roller motor 21, a rear roller motor 22, and multiple middle roller motors 23. All three motors are mounted on the top of the transmission housing 1 via mounting plates 14. The front roller motor 21 and the rear roller motor 22 are connected via a roller transmission assembly. 3 is connected to two sets of front roller head sections 11 and two sets of rear roller head sections 12 respectively; each middle roller motor 23 is connected to a middle roller head section 13 through a middle roller reducer 24. Specifically, in this embodiment, there are four middle roller head sections 13 and four middle roller motors 23. The four middle roller head sections 13 and four middle roller motors 23 are respectively installed on the left and right carriages of the two spinning machines; the front roller head sections 11, rear roller head sections 12 and middle roller head sections 13 are all installed on the top of the transmission box 1 through roller mounting seats 15.

[0019] Among them, such as Figure 2 and Figure 3-6As shown, the roller drive assembly 3 includes a front roller drive component 31 and a rear roller drive component 32, both of which are mounted on the mounting wall plate 14. The rear roller drive component 32 includes a rear roller drive gear mounted on the mounting wall plate 14. The rear roller drive gear is connected to a rear roller drive pulley 321 via a rear roller drive shaft. The rear roller drive pulley 321 is connected to the output shaft of the rear roller motor 22 via a belt. A rear roller transition gear 322 is meshed below the rear roller drive gear. The rear roller transition gear 322 is mounted on the mounting wall plate 14. Rear roller input gears 323 mesh on both sides of the rear roller transition gear 322, and the two rear roller input gears 323 are symmetrically arranged on both sides of the rear roller transition gear 322. Each rear roller input gear 323 has a rear roller input shaft in its middle, which is mounted on the mounting wall plate 14. Each rear roller input shaft has a rear roller output gear 324 connected to both ends. The four rear roller output gears 324 are connected to rear roller bridge gears 325 via rear roller drive belts. Each rear roller bridge gear 325 has an adjustment component connected to one side. Each rear roller bridge gear 325 is mounted on the mounting wall plate 14 via an adjustment plate 141, and each rear roller bridge gear 325 is slidably connected to its corresponding adjustment plate 141 via a sliding groove. Each rear roller bridge gear 325 has a rear roller drive gear 326 meshing on one side. The middle of each of the four rear roller drive gears 326 is connected to a rear roller drive shaft 327. The four rear roller drive shafts 327 are connected to the rear roller head section 12 in the two spinning frame short carriages via couplings. The rear roller head section 12, the rear roller drive shafts 327, and the rear roller drive gears 326 are supported by the roller mounting seat 15.

[0020] Based on the above embodiments, the same rear roller motor 22 drives the rear roller head section 12 on the two spinning frame carriages through the rear roller transmission component 32, ensuring that the rear roller head section 12 on the two spinning frame carriages has the same rotation speed, thereby making the rear rollers on the two spinning frame carriages have the same rotation speed.

[0021] Specifically, such as Figure 5 As shown, the adjustment assembly includes a V-shaped adjustment arm 33. One end of the V-shaped adjustment arm 33 is rotatably connected to the rear roller input shaft, the middle part of the V-shaped adjustment arm 33 is connected to the rear roller bridge gear 325, and the other end of the V-shaped adjustment arm 33 is connected to its corresponding adjustment plate 141 through an adjustment shaft. The adjustment shaft is located in the arc-shaped adjustment groove 142 on the adjustment plate 141.

[0022] Based on the above embodiments, since the rear roller on the short carriage of the spinning machine can be adjusted in position, the position of the rear roller head section 12 will change while the rear roller position is adjusted. By lifting the adjusting shaft, one end of the V-shaped adjusting arm 33 is lifted. At this time, the V-shaped adjusting arm 33 rotates around the end that is connected to the rear roller input shaft, and lifts the rear roller bridge gear 325, so that the rear roller bridge gear 325 is separated from the rear roller drive gear 326, and the position of the rear roller head section 12 can be adjusted. After the position of the rear roller head section 12 is adjusted, by moving the adjusting shaft in the adjusting groove 142, the V-shaped adjusting arm 33 and the rear roller bridge gear 325 can be lowered, so that the rear roller bridge gear 325 and the rear roller drive gear 326 re-mesh.

[0023] In addition, such as Figure 3-6 As shown, the front roller drive component 31 includes a front roller drive gear 311 mounted on the mounting wall plate 14. The front roller drive gear 311 is connected to a front roller drive wheel via a front roller drive shaft. The front roller drive wheel is connected to the output shaft of the front roller motor 21 via a belt. A front roller transition gear 312 is meshed below the front roller drive gear 311. The front roller transition gear 312 is mounted on the mounting wall plate 14. Both sides of the front roller transition gear 312 are meshed with first front roller input gears 313, and the two first front roller input gears 313 are symmetrically arranged on both sides of the front roller transition gear 312. One side of each of the two first front roller input gears is coaxially connected to a first front roller output gear 313, and one side of each of the two first front roller output gears 313 is meshed with a second front roller input gear. The gears include two second front roller input gears, each coaxially connected to a second front roller output gear 314 on one side; a third front roller input gear meshes with one side of each of the two second front roller output gears 314; and a third front roller output gear 315 coaxially connected with one side of each of the two third front roller input gears. The first, second, and third front roller input gears are all mounted on the mounting wall plate 14. A front roller drive gear 316 meshes with one side of each of the two third front roller output gears 315. The two front roller drive gears 316 are mounted on the front roller drive shaft 317. The two front roller drive shafts 317 are symmetrically arranged on the mounting wall plate 14. The two ends of each front roller drive shaft 317 are connected to the front roller head section 11 on the two spinning frame short carriages via couplings.

[0024] Based on the above embodiments, the same front roller motor 21 drives the front roller head section 11 on the two spinning frame carriages through the front roller transmission component 31, ensuring that the front roller head section 11 on the two spinning frame carriages has the same rotation speed, thereby making the front rollers on the two spinning frame carriages have the same rotation speed.

[0025] In this embodiment, the transmission ratio between the rear roller drive component 32 and the multiple middle roller reducers 24 is 30~100, and the transmission ratio of the front roller drive component 31 is 4~10.

[0026] An encoder is installed on the front roller head section 11 of any one spinning frame carriage, a rear roller sensor is installed on the rear roller head section 12 of both spinning frame carriages, and a middle roller sensor is installed on the middle roller head section 13 of both spinning frame carriages. The encoder, rear roller sensor and middle roller sensor are all connected to the PLC controller.

[0027] Based on the above embodiments, the rotational speed of the front roller head section 11 is monitored in real time by an encoder, while the rotational speeds of the rear roller head section 12 and the middle roller head section 13 are monitored in real time by rear roller sensors and middle roller sensors. The rotational speed of the rear roller motor 22 is adjusted according to the rotational speed of the front roller head section 11 and the transmission ratio of the rear roller transmission component 32, thereby adjusting the rotational speed of the rear roller head section 12. The rotational speeds of the four middle roller motors 23 are adjusted respectively by the rotational speed of the front roller head section 11 and the transmission ratio of the middle roller reducer 24, thereby adjusting the rotational speeds of the middle rollers on the two spinning frame short carriages.

[0028] In this embodiment, as Figure 1 , Figure 7 and Figure 8 As shown, a lifting motor 4 is installed inside the transmission housing 1. The output end of the lifting motor 4 is connected to a lifting reducer 41. A lifting assembly 5 is installed on each of the two output shafts of the lifting reducer 41. The two lifting assemblies 5 are symmetrically arranged on both sides of the lifting reducer 41. Each lifting assembly 5 includes a worm gear 51 installed on the output shaft of the lifting reducer 41. A lifting chain 52 is connected to the worm gear 51. The lifting chain 52 is sequentially connected to a winding sprocket 53, an upper guide wheel 54, and a first distribution shaft 55. The winding sprocket 53 is located at the bottom of the transmission housing 1. The upper guide wheel 54 and the first distribution shaft 55 are both located at the top of the transmission housing 1. Each first distribution shaft 55 is equipped with a ring rail transmission assembly 56 and a yarn guide plate transmission assembly 57. The two ring rail transmission assemblies 56 and the two yarn guide plate transmission assemblies 57 are respectively connected to the ring rail and the yarn guide plate in the short carriages of the two spinning machines.

[0029] Among them, such as Figure 8-9As shown, the ring board drive assembly 56 includes two ring board lifting sprockets 561 symmetrically arranged on the first distribution shaft 55. Each ring board lifting sprocket 561 is connected to the ring board assembly on the spinning frame saddle via a ring board lifting chain 562. The two ring board drive assemblies 56 respectively pull the ring boards in two spinning frame saddles. Specifically, when the lifting motor 4 drives the two worm gears 51 to rotate through the lifting reducer 41, the two worm gears 51 respectively pull the two first distribution shafts 55 to rotate through the lifting chain 52. Each first distribution shaft 55 drives the two ring board lifting sprockets 561 on it to rotate. When each ring board lifting sprocket 561 rotates, it pulls the ring board in one spinning frame saddle via the ring board lifting chain 562. The ring board assembly raises the ring board on one short spinning frame. It should be noted that this application contains two ring board transmission assemblies 56. The two ring board lifting sprockets 561 in any one ring board transmission assembly 56 are connected to the ring board on one short spinning frame via a ring board lifting chain 562. The two ring board lifting sprockets 561 in the other ring board transmission assembly 56 are connected to the ring board on another short spinning frame via a ring board lifting chain 562, achieving synchronous raising of the ring board in the long spinning frame composed of the two short spinning frames. Furthermore, synchronous lowering of the ring board in the long spinning frame composed of the two short spinning frames can be achieved simply by driving the first distribution shaft 55 to rotate in the opposite direction via the lifting motor 4.

[0030] In this embodiment, the yarn guide plate transmission assembly 57 includes a lifting transmission shaft 571 disposed on the side wall of the transmission housing 1, and the lifting transmission shaft 571 is disposed below the first distribution shaft 55. The two ends of the lifting transmission shaft 571 are respectively provided with a first transmission sprocket 572 and a second transmission sprocket 573. The first transmission sprocket 572 is connected to the yarn guide plate chain pulley 551 disposed on the first distribution shaft 55 via a second chain; the second transmission sprocket 573 is connected to the second distribution shaft 574 via a transmission chain belt. The second distribution shaft 574 is fitted outside the first distribution shaft 55. Symmetrical guide plate lifting sprockets 575 are provided at both ends of the second distribution shaft 574. Each guide plate lifting sprocket 575 is connected to the guide plate assembly on the spinning frame trolley via a guide plate lifting chain 576. Two guide plate transmission assemblies 57 respectively pull the guide plates in the two spinning frame trolleys. Specifically, while the first distribution shaft 55 rotates, the lifting transmission shaft 571 is driven to rotate via the guide plate chain pulley 551, the second chain, and the first transmission sprocket 572. The lifting drive shaft 571 rotates the second distribution shaft 574 via the second drive sprocket 573 and the drive chain belt. Simultaneously, the second distribution shaft 574 rotates outside the first distribution shaft 55, driving the guide plate on the ring spinning machine to rise via the guide plate lifting sprocket 575 and the guide plate lifting chain 576. It should be noted that this application contains a total of two guide plate transmission assemblies 57, and the two guide plate lifting sprockets 575 in any one guide plate transmission assembly 57 are connected to a spinning machine via the guide plate lifting chain 576. The guide plates in the short spinning frame are connected, and the two guide plate lifting sprockets 575 in another guide plate transmission assembly 57 are connected to the guide plates in another short spinning frame through the guide plate lifting chain 576, so as to realize the synchronous lifting of the guide plates in the long spinning frame composed of the two short spinning frames; at the same time, the synchronous lowering of the guide plates in the long spinning frame composed of the two short spinning frames can be completed simply by driving the first distribution shaft 55, the lifting transmission shaft 571 and the second distribution shaft 574 to rotate in opposite directions through the lifting motor 4.

[0031] Based on the above embodiments, the ring rail assembly and the yarn guide plate assembly on the two short carriages of the spinning machine are simultaneously stretched by the lifting component 5 and a lifting motor 4 to ensure the synchronicity of the spinning machine's gathering action.

[0032] In this embodiment, as Figure 1 and Figure 7As shown, a first spinning frame main shaft 16 and a second spinning frame main shaft 17 are respectively provided on the outer sides of the transmission housing 1. The first spinning frame main shaft 16 and the second spinning frame main shaft 17 are respectively located inside the short carriages of two spinning frames, and the ends of the first spinning frame main shaft 16 and the second spinning frame main shaft 17 extend into the interior of the transmission housing 1. A speed measuring device 18 is provided at one end of the first spinning frame main shaft 16 and the second spinning frame main shaft 17, and both speed measuring devices 18 are located between the first spinning frame main shaft 16 and the second spinning frame main shaft 17. The second spinning frame main shaft 17 is equipped with a main shaft brake device 19, and the two main shaft brake devices 19 are respectively located on the two side walls of the transmission box 1; the other end of the first spinning frame main shaft 16 and the second spinning frame main shaft 17 are respectively equipped with a main shaft motor that drives its rotation, and each main shaft motor is controlled by a main shaft frequency converter; the two main shaft motors and the two main shaft frequency converters are connected to a PLC controller and a human-machine interface, and the PLC controller is connected to the human-machine interface, the lifting motor 4, the front roller motor 21, the rear roller motor 22 and multiple middle roller motors 23.

[0033] Based on the above embodiments, the operation of the lifting motor 4 is controlled by a PLC controller. Simultaneously, the PLC controller controls the start, stop, and speed of the front roller motor 21, the rear roller motor 22, and multiple middle roller motors 23. It also controls the spinning and doffing actions of the two short spinning frames, effectively solving the integration of the original two short spinning frames. This achieves transmission for the spliced ​​and extended long spinning frame, meeting the transmission requirements of the drafting components, lifting components, and collective doffing system in the long spinning frame, as well as the synchronous operation of drafting actions, the lifting actions of the ring rail and guide plate, and the collective doffing action. This further improves the start-up head retention rate and spinning indicators of the spliced ​​long spinning frame. The operation of two short spinning frames can be controlled by a single PLC controller, reducing the difference in spinning indicators between the two short spinning frames and simultaneously reducing the labor intensity of spinning workers.

[0034] Specifically, the speed measuring device 18 includes a speed measuring code disk 181 disposed at the end of the main shaft 16 of the first spinning frame or the main shaft 17 of the second spinning frame. The speed measuring code disk 181 is evenly provided with a plurality of small holes. A speed measuring sensor 182 is disposed on one side of the speed measuring code disk 181, and there is a gap between the speed measuring sensor 182 and the speed measuring code disk 181. The speed measuring sensor 182 is mounted on a support base and is connected to a PLC controller.

[0035] Based on the above embodiments, when the main shaft 16 of the first spinning frame and the main shaft 17 of the second spinning frame drive the speed measuring code disk 181 installed at their ends to rotate, several small holes on the speed measuring code disk 181 will pass through the speed measuring sensor 182 in sequence. The speed measuring sensor 182 detects the rotational speed of the main shaft 16 of the first spinning frame and the main shaft 17 of the second spinning frame, and sends the detected information to the PLC controller. The PLC controller controls the operation of the two main shaft motors to keep the rotational speed of the main shaft 16 of the first spinning frame and the main shaft 17 of the second spinning frame consistent, thereby ensuring that the rotational speed of each spindle on the long spinning frame composed of the short spinning frames of the two spinning frames is the same. Since there is no actual contact between the speed measuring sensor 182 and the speed measuring code disk 181, and there is an air isolation of a few millimeters, the speed measuring code disk 181 and the speed measuring sensor 182 are not easily damaged during use and are suitable for long-term use.

[0036] The main shaft braking device 19 includes a brake disc 191 sleeved on the outside of the main shaft 16 of the first spinning machine or the main shaft 17 of the second spinning machine. A clamping assembly is provided on the upper part of the brake disc 191, and the clamping assembly is installed on the outer side wall of the transmission housing 1.

[0037] In addition, the clamping assembly includes a brake mounting seat 192 mounted on the outer wall of the transmission housing 1. One side of the brake mounting seat 192 is connected to a clamping member 193 via a cylinder. The brake mounting seat 192 and the clamping member 193 are respectively disposed on both sides of the brake disc 191.

[0038] Based on the above embodiments, the operation of the cylinders in the two main shaft braking devices 19 is controlled by the PLC controller. Brake discs 191 are fitted on both the first spinning frame main shaft 16 and the second spinning frame main shaft 17. When the long spinning frame composed of the short spinning frames of the two spinning frames stops running, the PLC controller controls the main shaft braking devices 19 on the first spinning frame main shaft 16 and the second spinning frame main shaft 17 to run simultaneously. The cylinders in the two main shaft braking devices 19 shorten simultaneously, causing the clamping parts 193 to approach the brake mounting seat 192. At this time, the brake discs 191 on the first spinning frame main shaft 16 and the second spinning frame main shaft 17 are clamped by their corresponding clamping parts 193 and brake mounting seats 192, so that the first spinning frame main shaft 16 and the second spinning frame main shaft 17 stop running simultaneously.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fully electronic synchronous control transmission device for a spinning frame, comprising a transmission housing, wherein two short spinning frames are connected to form a long spinning frame via the transmission housing, characterized in that... The top of the transmission housing is equipped with a drafting assembly, which includes a front roller motor, a rear roller motor, and multiple middle roller motors. All the front roller motors, rear roller motors, and multiple middle roller motors are mounted on the top of the transmission housing via mounting plates. The front roller motors and rear roller motors are respectively connected to two sets of front roller head sections and two sets of rear roller head sections via roller transmission assemblies. Each middle roller motor is connected to a middle roller head section via a middle roller reducer. The front roller head section, rear roller head section, and middle roller head section are all mounted on the top of the transmission housing via roller mounting seats. The transmission housing is equipped with a lifting motor, the output of which is connected to a lifting reducer. A lifting assembly is mounted on each of the two output shafts of the lifting reducer, symmetrically positioned on both sides of the reducer. Each lifting assembly includes a worm gear mounted on the output shaft of the reducer, with a lifting chain connected to the worm gear. The lifting chain is sequentially connected to a winding sprocket, an upper guide wheel, and a first distribution shaft. The winding sprocket is located at the bottom of the transmission housing, while the upper guide wheel and the first distribution shaft are located at the top. Each first distribution shaft is equipped with a ring rail transmission assembly and a yarn guide plate transmission assembly. The two ring rail transmission assemblies and the two yarn guide plate transmission assemblies are respectively connected to the ring rail and yarn guide plate in the short carriages of two spinning machines. The transmission housing has a first spinning frame main shaft and a second spinning frame main shaft on its outer sides, respectively. The first and second spinning frame main shafts are located inside the two spinning frame carriages, and their ends extend into the transmission housing. A speed measuring device is installed at one end of each main shaft, with two such devices positioned between them. Both main shafts are equipped with a main shaft brake device, located on opposite side walls of the transmission housing. The other ends of each main shaft are equipped with a main shaft motor, each controlled by a main shaft frequency converter. Both main shaft motors and the two main shaft frequency converters are connected to a PLC controller and a human-machine interface (HMI). The PLC controller is connected to the HMI, a lifting motor, a front roller motor, a rear roller motor, and multiple middle roller motors.

2. The fully electronic synchronous control transmission device for a spinning frame according to claim 1, characterized in that, The roller drive assembly includes a front roller drive component and a rear roller drive component, both mounted on a mounting wall plate. The rear roller drive component includes a rear roller drive gear mounted on the mounting wall plate. The rear roller drive gear is connected to a rear roller drive pulley via a rear roller drive shaft. The rear roller drive pulley is connected to the output shaft of a rear roller motor via a belt. A rear roller transition gear is meshed below the rear roller drive gear. The rear roller transition gear is mounted on the mounting wall plate, and rear roller input gears mesh on both sides of the rear roller transition gear. Two rear roller input gears are symmetrically arranged on both sides of the rear roller transition gear. Each rear roller input gear has a rear roller... The rear roller input shaft is mounted on the mounting wall plate. Each rear roller input shaft has a rear roller output gear connected to both ends. The four rear roller output gears are connected to rear roller bridge gears via rear roller drive belts. Each rear roller bridge gear has an adjustment component connected to one side. Each rear roller bridge gear is mounted on the mounting wall plate via an adjustment plate, and each rear roller bridge gear is slidably connected to its corresponding adjustment plate via a sliding groove. Each rear roller bridge gear has a rear roller drive gear meshing on one side. The four rear roller drive gears are connected to a rear roller drive shaft in the middle. The four rear roller drive shafts are connected to the rear roller head sections of the two spinning frame short carriages via couplings. The front roller drive component includes a front roller drive gear mounted on a mounting plate. The front roller drive gear is connected to a front roller drive wheel via a front roller drive shaft. The front roller drive wheel is connected to the output shaft of the front roller motor via a belt. A front roller transition gear is meshed below the front roller drive gear. The front roller transition gear is mounted on the mounting plate, and two first front roller input gears mesh on both sides of the front roller transition gear. Two first front roller input gears are symmetrically arranged on both sides of the front roller transition gear. A first front roller output gear is coaxially connected to one side of each of the two first front roller input gears. A second front roller input gear meshes with one side of each of the two first front roller output gears. Each input gear is coaxially connected to a second front roller output gear on one side. Each of the two second front roller output gears is meshed with a third front roller input gear on one side. Each of the two third front roller input gears is coaxially connected to a third front roller output gear on one side. The first, second, and third front roller input gears are all mounted on a mounting wall plate. Each of the two third front roller output gears is meshed with a front roller drive gear on one side. The two front roller drive gears are mounted on a front roller drive shaft. The two front roller drive shafts are symmetrically mounted on the mounting wall plate. Both ends of each front roller drive shaft are connected to the front roller head section on two spinning frame carriages via couplings.

3. The fully electronic synchronous control transmission device for a spinning frame according to claim 2, characterized in that, The adjustment assembly includes a V-shaped adjustment arm, one end of which is rotatably connected to the rear roller input shaft, the middle part of which is connected to the rear roller bridge gear, and the other end of which is connected to its corresponding adjustment plate via an adjustment shaft, the adjustment shaft being located in an arc-shaped adjustment groove on the adjustment plate.

4. The fully electronic synchronous control transmission device for a spinning frame according to claim 3, characterized in that, The transmission ratio between the rear roller drive component and the plurality of middle roller reducers is 30 to 100, and the transmission ratio of the front roller drive component is 4 to 10.

5. The fully electronic synchronous control transmission device for a spinning frame according to claim 4, characterized in that, An encoder is installed on the front roller head section of any one spinning frame carriage, a rear roller sensor is installed on the rear roller head section of both spinning frame carriages, and a middle roller sensor is installed on the middle roller head section of both spinning frame carriages. The encoder, rear roller sensor and middle roller sensor are all connected to the PLC controller.

6. The fully electronic synchronous control transmission device for a spinning frame according to claim 5, characterized in that, The ring rail drive assembly includes two ring rail lifting sprockets symmetrically arranged on the first distribution shaft. Each ring rail lifting sprocket is connected to the ring rail assembly on the spinning frame trolley via a ring rail lifting chain. The two ring rail drive assemblies respectively extend the ring rails in the two spinning frame trolleys. The guide plate drive assembly includes a lifting drive shaft arranged on the side wall of the transmission housing, and the lifting drive shaft is located below the first distribution shaft. The two ends of the lifting drive shaft are respectively provided with a first drive sprocket and a second drive sprocket. The first drive sprocket is connected to the guide plate chain pulley arranged on the first distribution shaft via a second chain. The second drive sprocket is connected to a second distribution shaft via a drive chain belt. The second distribution shaft is sleeved outside the first distribution shaft. The two ends of the second distribution shaft are symmetrically provided with guide plate lifting sprockets. Each guide plate lifting sprocket is connected to the guide plate assembly on the spinning frame trolley via a guide plate lifting chain. The two guide plate drive assemblies respectively extend the guide plates in the two spinning frame trolleys.

7. The fully electronic synchronous control transmission device for a spinning frame according to claim 6, characterized in that, The speed measuring device includes a speed measuring code disk disposed at the end of the main shaft of the first spinning machine or the main shaft of the second spinning machine. The speed measuring code disk has several small holes evenly distributed on it. A speed measuring sensor is disposed on one side of the speed measuring code disk, and there is a gap between the speed measuring sensor and the speed measuring code disk. The speed measuring sensor is mounted on a support base and is connected to a PLC controller.

8. The fully electronic synchronous control transmission device for a spinning frame according to claim 7, characterized in that, The main shaft braking device includes a brake disc sleeved on the outside of the main shaft of the first spinning machine or the main shaft of the second spinning machine. A clamping assembly is provided on the upper part of the brake disc and is installed on the outer wall of the transmission box.

9. The fully electronic synchronous control transmission device for a spinning frame according to claim 8, characterized in that, The clamping assembly includes a brake mounting seat installed on the outer wall of the transmission housing. One side of the brake mounting seat is connected to a clamping member via a cylinder. The brake mounting seat and the clamping member are respectively located on both sides of the brake disc.

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