Winding machine for sewing thread preparation

Abstract

The utility model discloses a winding machine for sewing thread preparation, relates to the technical field of sewing thread preparation, and aims to solve the problems that after sewing threads on the winding machine are used up, workers still need to manually replace the sewing threads on a feeding roller one by one, and time and labor are wasted in the replacement process. According to the technical scheme, the winding machine is characterized by comprising a winding machine body and a plurality of feeding rollers located at the top of the winding machine body, a fixed frame is fixedly connected to the winding machine body, the feeding rollers are fixedly connected with the inner wall of the fixed frame, a movable frame is slidably connected to the inner wall of the fixed frame, and a rotating block is rotationally connected into the movable frame. The sewing thread on the connecting roller is driven by the lifting assembly to be conveyed to the feeding roller, so that the effect of automatically replacing the sewing thread on the winding machine is achieved, the operation steps of workers are reduced, the working efficiency is improved, meanwhile, the sewing thread can be made of collagenous fibers, the pulling resistance of the sewing thread can be improved, and the production cost is reduced. And the phenomenon that the sewing thread is pulled apart when being wound is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing thread preparation technical field, more specifically, it relates to a winding machine for sewing thread preparation. BACKGROUND

[0002] The winding machine is one of the common devices in the preparation process of the sewing thread, can wind the sewing thread on the bobbin, and facilitates the subpackaging of the sewing thread.

[0003] The existing winding machine usually sets a plurality of line bobbins with sewing thread on the feeding roller on the top of the winding machine when winding the sewing thread, then pulls the sewing thread into the winding machine, and then places another line bobbin in the winding machine, and winds the sewing thread on another line bobbin through the winding machine, so as to realize the effect of subpackaging the sewing thread by using the winding machine, and the plurality of feeding rollers on the top of the winding machine can reduce the replacement frequency of the sewing thread on the feeding roller by the worker, and reduce the working strength of the worker.

[0004] However, after the sewing thread on the feeding roller is used up, the worker still needs to manually replace the sewing thread on the feeding roller one by one, which is time-consuming and laborious.

[0005] Therefore, a new scheme needs to be proposed to solve this problem. UTILITY MODEL CONTENT

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a winding machine for sewing thread preparation, which solves the problem that the worker still needs to manually replace the sewing thread on the feeding roller one by one after the sewing thread on the winding machine is used up, which is time-consuming and laborious.

[0007] The above technical purpose of the utility model is realized by the following technical scheme: a winding machine for sewing thread preparation, comprising a winding machine body and a plurality of feeding rollers located on the top of the winding machine body, a fixed frame is fixedly connected to the winding machine body, the feeding rollers and the inner wall of the fixed frame are fixedly connected, a moving frame is slidably connected to the inner wall of the fixed frame, a rotating block is rotatably connected in the moving frame, a connecting roller is fixedly connected to the side wall of the rotating block, a lifting assembly for moving the moving frame along the side wall of the fixed frame and a discharging assembly for taking out the used line bobbin on the feeding roller are arranged on the fixed frame, and a conveying assembly for conveying the sewing thread to the feeding roller is arranged on the feeding roller.

[0008] By adopting the above technical scheme, when the sewing thread on the winding machine is replaced, the used thread cylinder on the feeding roller is pushed to the discharging assembly by the lifting assembly, the thread cylinder is discharged outward by the discharging assembly, then the thread cylinder with the sewing thread is sleeved on the connecting roller, then the connecting roller is driven to rotate, so that the connecting roller and the feeding roller are oppositely arranged, then the lifting assembly drives the moving frame to move the connecting roller upward, and the connecting roller drives the thread cylinder with the sewing thread to move in the same direction, when the connecting roller moves to the feeding roller where the sewing thread needs to be replaced, the sewing thread on the connecting roller is conveyed to the feeding roller by the lifting assembly, so that the effect of automatically replacing the sewing thread on the winding machine is achieved, the operation steps of the workers are reduced, and the work efficiency is improved.

[0009] The utility model further sets up: lifting assembly includes conveyer belt, the fixed frame side wall is equipped with the through groove of conveyer belt installation, moving frame and conveyer belt fixed connection, the connecting roller is equipped with infrared generator far from rotating block side, the feeding roller is close moving frame one side fixed connection has with infrared generator matched infrared receiver, infrared receiver and conveyer belt electricity is connected.

[0010] By adopting the above technical scheme, when the moving frame is driven to move along the inner wall of the fixed frame, the conveyer belt is started, the moving frame is driven to move along the inner wall of the fixed frame by the conveyer belt, and the connecting roller is driven to move in the same direction by the moving frame, when the infrared receiver on the feeding roller receives the infrared ray emitted by the infrared generator on the connecting roller, the infrared receiver releases the electric signal to the conveyer belt, the conveyer belt is driven to stop rotating, the positions of the feeding roller and the connecting roller are calibrated, so that the effect of driving the moving frame to move is realized, and the positions of the feeding roller and the connecting roller are calibrated automatically by the setting of the infrared generator and the infrared receiver, which facilitates subsequent conveying of the sewing thread to the feeding roller.

[0011] The utility model further sets up: the conveying assembly includes the push board of sliding connection in the feeding roller and be used for driving the first driving piece of push board along the feeding roller moves, the push board is equipped with annular groove, sliding connection has the moving ring in annular groove, moving ring side wall fixed connection has a plurality of connecting blocks, the connecting block penetrates push board and with push board sliding connection, the fixed ring is fixedly connected on the feeding roller.

[0012] Through the above technical scheme, when the sewing thread on the connecting roller is conveyed to the feeding roller, the first driving element drives the push plate to move along the feeding roller towards the connecting roller, and the push plate and the connecting roller are in contact with the bobbin with sewing thread, then the push plate continues to be driven to move towards the connecting roller, so that the bobbin with sewing thread at the connecting roller is inserted into the annular groove and is clamped with the side wall of the annular groove, at the same time, the moving ring in the annular groove is affected by the bobbin in the sewing thread, moves towards the annular groove, and makes the connecting block move outward, then the first driving assembly drives the push plate to return to the original position, and the connecting block and the fixed ring are in contact with each other, the fixed ring can apply a pushing force to the connecting block, drive the connecting block to drive the moving ring to return to the original position, and the bobbin with sewing thread and the annular groove are disconnected and separated from each other, at this time, the bobbin in the sewing thread is located at the feeding roller, so as to realize the effect of conveying the sewing thread on the connecting roller to the feeding roller.

[0013] The utility model further sets up: first driving element includes the cavity that opens in the feeding roller, sliding connection has moving block in the cavity, the feeding roller is opened and is equipped with the sliding slot that moving block slides, moving block and push board fixed connection, the cavity lateral wall fixed connection has motor, motor's output fixed connection has screw rod, screw rod penetrates moving block and is connected with moving block screw thread.

[0014] Through the above technical scheme, when the push plate is driven to move along the connecting roller, the motor is started, the screw rod is driven to rotate through the output end of the motor, and the moving block is driven to move along the sliding slot through the screw rod, and the push plate is driven to move through the moving block, so as to realize the effect that the push plate is driven to move along the sliding slot.

[0015] The utility model further sets up: the discharge assembly includes the discharge port that opens in the fixed frame far from the one side of feeding roller, rotatingly connected has guide plate at the discharge port, the guide plate and the discharge port are connected through torsional spring, when the torsional spring is in natural state, the guide plate is inclined to the direction of feeding roller and is located below the feeding roller, the side of fixed frame close to guide plate is slidably connected with limiting board, the fixed frame is equipped with second driving element for driving limiting board to move along the inner wall of fixed frame.

[0016] By adopting the above technical scheme, when the wire cylinder used on the feeding roller is discharged outward, the push plate is driven to move towards the connecting roller direction, and the wire cylinder is driven to move in the same direction, when the wire cylinder and the feeding roller are separated from each other, the wire cylinder will fall downward on the guide plate, the guide plate is arranged in a slope direction, the wire cylinder can be discharged outward through the discharge port, so that the effect of automatic discharge of the wire cylinder is realized, when the moving frame moves upward, the limiting plate is driven upward by the second driving member, and the limiting plate and the guide plate are in contact with each other, the guide plate is driven to rotate by the limiting plate and completely enters the discharge port, and the torsional spring is deformed, by arranging the second driving member, the normal movement of the moving frame can be avoided, and the feeding effect of the winding machine is avoided.

[0017] The utility model further sets up: second driving member including fixedly connected in limiting plate bottom's connecting plate, connecting plate is located moving frame directly below, connecting plate bottom and winding machine body are connected through telescopic link, spring is set on telescopic link, when spring is in natural state, limiting plate and guide plate are in contact with each other and guide plate completely enters the discharge port.

[0018] By adopting the above technical scheme, when the guide plate is driven to rotate, the moving frame is driven to move upward, and the spring is deformed and restored without restriction, and drives the telescopic link to extend upward, the connecting plate is driven to move upward by the telescopic link, and the limiting plate and the guide plate are in contact with each other by the connecting plate, the limiting plate drives the guide plate into the discharge port by the pushing force of the spring, so that the effect of driving the guide plate to rotate is realized, when the guide plate is driven to return to the original position, the moving frame is driven to move downward, and the connecting plate and the limiting plate are driven to return to the original position, and the spring is deformed and compressed, and the telescopic link is also contracted, at this time, the torsional spring loses the restriction, and drives the guide plate to return to the original position.

[0019] The utility model further sets up: rotating block top fixedly connected with rotating rod, rotating rod penetrates moving frame and is connected with moving frame rotation, rotating rod top fixedly connected with limit block one, moving frame top fixedly connected with limit block two, when limit block one and limit block two are in contact with each other, connecting roller and feeding roller are opposite setting.

[0020] By adopting the above technical scheme, the rotating block drives the rotating rod to rotate when the rotating block rotates, and drives the limiting block one to move towards the limiting block two through the rotating rod, when the limiting block one and the limiting block two contact each other, the connecting roller and the feeding roller are oppositely arranged, at this time, the feeding roller is limited by the limiting block one and the limiting block two, so that the feeding roller cannot continue to rotate, thereby limiting the rotating direction of the connecting roller, and the working personnel is facilitated to oppositely arrange the connecting roller and the feeding roller.

[0021] In summary, the utility model has the following beneficial effects: when the sewing thread on the winding machine is replaced, the line cylinder used on the feeding roller is pushed to the discharge assembly by the lifting assembly, the line cylinder is discharged outward by the discharge assembly, then the connecting roller is driven to move upward by the lifting assembly, and the line cylinder with the sewing thread is driven to move in the same direction by the connecting roller, when the connecting roller moves to the feeding roller where the sewing thread needs to be replaced, the sewing thread on the connecting roller is conveyed to the feeding roller by the lifting assembly, thereby achieving the effect of automatically replacing the sewing thread on the winding machine, reducing the operation steps of the working personnel, and improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Structure diagram of the utility model Figure 1 ;

[0023] Figure 2 Structure diagram of the utility model Figure 2 ;

[0024] Figure 3 Sectional view of the utility model Figure 1 ;

[0025] Figure 4 A enlarged view of A of Figure 3 ;

[0026] Figure 5 Sectional view of the utility model Figure 2 ;

[0027] Figure 6 B enlarged view of B of Figure 5 .

[0028] In the figure: 1, winding machine body; 2, feeding roller; 3, fixed frame; 4, moving frame; 5, rotating block; 6, connecting roller; 7, conveying belt; 8, through slot; 9, infrared generator; 10, infrared receiver; 11, push plate; 12, annular groove; 13, moving ring; 14, connecting block; 15, fixed ring; 16, cavity; 17, moving block; 18, sliding groove; 19, motor; 20, screw rod; 21, discharge port; 22, guide plate; 23, torsional spring; 24, limiting plate; 25, connecting plate; 26, telescopic rod; 27, spring; 28, rotating rod; 29, limiting block one; 30, limiting block two. DETAILED DESCRIPTION

[0029] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model is described in more detail below in conjunction with the drawings and specific embodiments, and it should be explained that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0030] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms 'upper', 'lower', 'inner', 'outer', 'top / bottom end' and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms'mounting', 'provided with','sleeved / connected', 'connected' and the like should be understood broadly, for example, 'connected' can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] A winding machine for sewing thread preparation, such as Figures 1-6As shown, including the winding machine body 1 and located on the top of the winding machine body 1 several feeding roller 2, the winding machine body 1 is fixedly connected with the fixed frame 3, the feeding roller 2 and the inner wall of the fixed frame 3 are fixedly connected, the inner wall of the fixed frame 3 is slidably connected with the moving frame 4, the moving frame 4 is rotatably connected with the rotating block 5, the side wall of the rotating block 5 is fixedly connected with the connecting roller 6, the fixed frame 3 is provided with lifting assembly for driving the moving frame 4 to move along the side wall of the fixed frame 3 and discharging assembly for taking out the used bobbin on the feeding roller 2, the feeding roller 2 is provided with conveying assembly for conveying sewing thread onto the feeding roller 2, when the sewing thread on the winding machine is replaced, the used bobbin on the feeding roller 2 is pushed to the discharging assembly by the lifting assembly, the bobbin is discharged outward by the discharging assembly, then the bobbin with sewing thread is sleeved on the connecting roller 6, then the connecting roller 6 is driven to rotate, so that the connecting roller 6 and the feeding roller 2 are oppositely arranged, then the moving frame 4 drives the connecting roller 6 to move upward by the lifting assembly, and the bobbin with sewing thread is moved in the same direction by the connecting roller 6, when the connecting roller 6 moves to the feeding roller 2 where the sewing thread needs to be replaced, the sewing thread on the connecting roller 6 is conveyed to the feeding roller 2 by the lifting assembly, so as to complete the effect of automatically replacing the sewing thread on the winding machine, reduce the operation steps of the staff and improve the work efficiency.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the lifting assembly comprises a conveyor belt 7, the side wall of the fixed frame 3 is provided with a through slot 8 for installing the conveyor belt 7, the moving frame 4 and the conveyor belt 7 are fixedly connected, the side away from the rotating block 5 of the connecting roller 6 is provided with an infrared generator 9, the side close to the moving frame 4 of the feeding roller 2 is fixedly connected with an infrared receiver 10 matched with the infrared generator 9, the infrared receiver 10 and the conveyor belt 7 are electrically connected, when the moving frame 4 is driven to move along the inner wall of the fixed frame 3, the conveyor belt 7 is started, the moving frame 4 is driven to move along the inner wall of the fixed frame 3 by the conveyor belt 7, and the connecting roller 6 is driven to move in the same direction by the moving frame 4, when the infrared receiver 10 on the feeding roller 2 receives the infrared ray emitted by the infrared generator 9 on the connecting roller 6, the infrared receiver 10 will release the electric signal to the conveyor belt 7, the conveyor belt 7 is driven to stop rotating, so that the positions of the feeding roller 2 and the connecting roller 6 are calibrated, so as to realize the effect of driving the moving frame 4 to move, through the setting of the infrared generator 9 and the infrared receiver 10, the positions of the feeding roller 2 and the connecting roller 6 can be automatically calibrated, which is convenient for conveying the sewing thread onto the feeding roller 2 subsequently.

[0034] As shown in Figures 2-4As shown, the conveying assembly comprises a push plate 11 slidingly connected to the feeding roller 2 and a first driving member for driving the push plate 11 to move along the feeding roller 2, the push plate 11 is provided with an annular groove 12, and a moving ring 13 is slidingly connected in the annular groove 12, the side wall of the moving ring 13 is fixedly connected with a plurality of connecting blocks 14, the connecting blocks 14 penetrate through the push plate 11 and are slidingly connected with the push plate 11, and the feeding roller 2 is fixedly connected with a fixed ring 15, the first driving member comprises a cavity 16 provided in the feeding roller 2, a moving block 17 is slidingly connected in the cavity 16, the feeding roller 2 is provided with a sliding groove 18 for the moving block 17 to slide, the moving block 17 is fixedly connected with the push plate 11, the side wall of the cavity 16 is fixedly connected with a motor 19, the output end of the motor 19 is fixedly connected with a screw rod 20, and the screw rod 20 penetrates through the moving block 17 and is threadedly connected with the moving block 17.

[0035] When the sewing thread on the connecting roller 6 is conveyed to the feeding roller 2, the motor 19 is started to drive the screw rod 20 to rotate through the output end of the motor 19, and the moving block 17 is driven to move along the sliding groove 18 through the screw rod 20, at the same time, the moving block 17 drives the push plate 11 to move towards the connecting roller 6, and the push plate 11 and the bobbin with sewing thread on the connecting roller 6 are in contact with each other, then the push plate 11 is continuously driven to move towards the connecting roller 6, so that the bobbin with sewing thread on the connecting roller 6 is inserted into the annular groove 12 and is clamped with the side wall of the annular groove 12, at the same time, the moving ring 13 in the annular groove 12 is affected by the bobbin in the sewing thread and moves towards the annular groove 12, and the connecting blocks 14 move outward, then the push plate 11 is driven to return to the original position by reversing the screw rod 20 with the motor 19, and the connecting blocks 14 and the fixed ring 15 are in contact with each other, the connecting blocks 14 can be pushed by the fixed ring 15 to drive the moving ring 13 to return to the original position, and the bobbin with sewing thread and the annular groove 12 are disconnected and separated from each other, at this time, the bobbin in the sewing thread is located at the feeding roller 2, so as to realize the effect of conveying the sewing thread on the connecting roller 6 to the feeding roller 2.

[0036] As shown in the drawings, Figure 2 , Figure 3As shown, the discharge assembly comprises a discharge port 21 formed on the fixed frame 3 away from the feeding roller 2, a guide plate 22 is rotatably connected at the discharge port 21, the guide plate 22 and the discharge port 21 are connected through a torsion spring 23, when the torsion spring 23 is in a natural state, the guide plate 22 is inclined to the feeding roller 2 and located below the feeding roller 2, the side of the fixed frame 3 close to the guide plate 22 is slidingly connected with a limiting plate 24, the fixed frame 3 is provided with a second driving member for driving the limiting plate 24 to move along the inner wall of the fixed frame 3, the second driving member comprises a connecting plate 25 fixedly connected to the bottom of the limiting plate 24, the connecting plate 25 is located directly below the moving frame 4, the bottom of the connecting plate 25 and the winding machine body 1 are connected through an extension rod 26, a spring 27 is sleeved on the extension rod 26, when the spring 27 is in a natural state, the limiting plate 24 and the guide plate 22 are in contact with each other and the guide plate 22 completely enters the discharge port 21.

[0037] When the wire drum used on the feeding roller 2 is discharged outward, the push plate 11 is driven to move to the connecting roller 6, at the same time, the wire drum is driven to move in the same direction, when the wire drum and the feeding roller 2 are separated from each other, the wire drum will fall downward on the guide plate 22, the guide plate 22 can discharge the wire drum outward through the discharge port 21, so as to realize the effect of automatic discharge of the wire drum, when the moving frame 4 moves upward, the moving frame 4 is driven to move upward, at the same time, the spring 27 loses the limitation and deforms and restores, and drives the extension rod 26 to extend upward, the connecting plate 25 is driven to move upward through the extension rod 26, and the limiting plate 24 is driven to contact with the guide plate 22 through the connecting plate 25, the pushing force of the spring 27 can drive the limiting plate 24 to drive the guide plate 22 into the discharge port 21, at the same time, the torsion spring 23 deforms, when the guide plate 22 returns to the original position, the moving frame 4 is driven to move downward, and the connecting plate 25 and the limiting plate 24 are pushed to return to the original position, at the same time, the spring 27 is deformed and compressed, and the extension rod 26 also shrinks, at this time, the torsion spring 23 loses the limitation, and the guide plate 22 returns to the original position.

[0038] As shown in the figure, Figure 6 The top of the rotating block 5 is fixedly connected with a rotating rod 28, the rotating rod 28 penetrates through the moving frame 4 and is rotatably connected with the moving frame 4, the rotating rod 28 is fixedly connected with a limiting block one 29, the moving frame 4 is fixedly connected with a limiting block two 30, when the limiting block one 29 and the limiting block two 30 contact with each other, the connecting roller 6 and the feeding roller 2 are oppositely arranged, which can limit the rotating direction of the connecting roller 6, and is convenient for driving the worker to oppositely arrange the connecting roller 6 and the feeding roller 2.

[0039] The utility model discloses a working principle as shown below: when the thread on the winding machine is changed, start motor 19, drive screw 20 to rotate through the output end of motor 19, and drive moving block 17 to move along the groove 18 through screw 20, moving block 17 drives push plate 11 to move, push plate 11 pushes the used bobbin on the feeding roller 2 to the guide plate 22, when the bobbin and the feeding roller 2 are separated, the bobbin falls down on the guide plate 22, and the guide plate 22 can discharge the bobbin outside through the discharge port 21.

[0040] After the bobbin is taken down, the bobbin with sewing thread is sleeved on the connecting roller 6, then the connecting roller 6 is driven to rotate, the connecting roller 6 and the feeding roller 2 are oppositely arranged, then the conveyor belt 7 is started, the moving frame 4 is driven to move along the inner wall of the fixed frame 3 through the conveyor belt 7, the connecting roller 6 is driven to move in the same direction through the moving frame 4, at this time, the spring 27 is deformed and restored, the telescopic rod 26 is driven to extend upwards, the connecting plate 25 is driven to move upwards through the telescopic rod 26, the limiting plate 24 is driven to contact the guide plate 22 through the connecting plate 25, and the guide plate 22 is driven into the discharge port 21 through the pushing force of the spring 27.

[0041] When the infrared receiver 10 on the feeding roller 2 receives the infrared emitted by the infrared generator 9 on the connecting roller 6, the infrared receiver 10 releases an electric signal to the conveyor belt 7, the conveyor belt 7 is driven to stop rotating, the positions of the feeding roller 2 and the connecting roller 6 are calibrated, then the push plate 11 is driven to move along the feeding roller 2 to the direction of the connecting roller 6, the push plate 11 and the bobbin with sewing thread at the connecting roller 6 contact each other, then the push plate 11 is continuously driven to move to the connecting roller 6, the bobbin with sewing thread at the connecting roller 6 is inserted into the annular groove 12 and is clamped with the side wall of the annular groove 12, the moving ring 13 in the annular groove 12 is driven to move into the annular groove 12 through the influence of the bobbin in the sewing thread, the connecting block 14 is driven to move to the outside, then the push plate 11 returns to the original position, the connecting block 14 and the fixed ring 15 contact each other, the connecting block 14 is driven to return to the original position through the pushing force of the fixed ring 15, the bobbin with sewing thread and the annular groove 12 are disconnected, and the bobbin with sewing thread is separated from the annular groove 12, at this time, the bobbin in the sewing thread is located at the feeding roller 2, so that the effect that the sewing thread on the winding machine is automatically replaced is realized, the operation steps of the staff are reduced, and the work efficiency is improved.

[0042] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A winding machine for sewing thread preparation, comprising a winding machine body (1) and a plurality of feeding rollers (2) located at the top of the winding machine body (1), characterized in that: The winding machine body (1) is fixedly connected with a fixed frame (3), the feeding roller (2) and the fixed frame (3) are fixedly connected, the fixed frame (3) is slidably connected with a moving frame (4), the moving frame (4) is rotatably connected with a rotating block (5), the rotating block (5) is fixedly connected with a connecting roller (6), the fixed frame (3) is provided with a lifting assembly for driving the moving frame (4) to move along the side wall of the fixed frame (3) and a discharging assembly for taking out the used bobbin on the feeding roller (2), and the feeding roller (2) is provided with a conveying assembly for conveying the sewing thread onto the feeding roller (2).

2. The thread winding machine for sewing thread production according to claim 1, characterized in that: The lifting assembly comprises a conveying belt (7), the fixed frame (3) is provided with a through groove (8) for mounting the conveying belt (7), the moving frame (4) and the conveying belt (7) are fixedly connected, the connecting roller (6) is provided with an infrared generator (9) away from the rotating block (5), the feeding roller (2) is fixedly connected with an infrared receiver (10) matched with the infrared generator (9) on the side close to the moving frame (4), and the infrared receiver (10) and the conveying belt (7) are electrically connected.

3. The thread winding machine for sewing thread production according to claim 1, characterized in that: The conveying assembly comprises a push plate (11) slidably connected to the feeding roller (2) and a first driving member for driving the push plate (11) to move along the feeding roller (2), the push plate (11) is provided with an annular groove (12), the annular groove (12) is slidably connected with a moving ring (13), the moving ring (13) is fixedly connected with a plurality of connecting blocks (14), the connecting blocks (14) penetrate through the push plate (11) and are slidably connected with the push plate (11), and the feeding roller (2) is fixedly connected with a fixed ring (15).

4. The thread winding machine for thread production according to claim 3, characterized in that: The first driving member comprises a cavity (16) formed in the feeding roller (2), the cavity (16) is slidably connected with a moving block (17), the feeding roller (2) is provided with a sliding groove (18) for sliding of the moving block (17), the moving block (17) and the push plate (11) are fixedly connected, the cavity (16) is fixedly connected with a motor (19), the output end of the motor (19) is fixedly connected with a screw rod (20), and the screw rod (20) penetrates through the moving block (17) and is threadedly connected with the moving block (17).

5. The thread winding machine for sewing thread production according to claim 1, characterized in that: The discharging assembly comprises a discharging port (21) formed in the fixed frame (3) away from the feeding roller (2), the discharging port (21) is rotatably connected with a guide plate (22), the guide plate (22) and the discharging port (21) are connected through a torsional spring (23), when the torsional spring (23) is in a natural state, the guide plate (22) is inclined to the feeding roller (2) and located below the feeding roller (2), the fixed frame (3) is slidably connected with a limiting plate (24) on the side close to the guide plate (22), and the fixed frame (3) is provided with a second driving member for driving the limiting plate (24) to move along the inner wall of the fixed frame (3).

6. The thread winding machine for preparing sewing thread according to claim 5, wherein: The second driving member comprises a connecting plate (25) fixedly connected to the bottom of the limiting plate (24), the connecting plate (25) is located directly below the moving frame (4), and the bottom of the connecting plate (25) is connected with the winding machine body (1) through an extension rod (26), a spring (27) is sleeved on the extension rod (26), when the spring (27) is in a natural state, the limiting plate (24) and the guide plate (22) are in contact with each other, and the guide plate (22) completely enters the discharge port (21).

7. The thread winding machine for sewing thread production according to claim 1, characterized in that: A rotating rod (28) is fixedly connected to the top of the rotating block (5), the rotating rod (28) penetrates through the moving frame (4) and is rotationally connected with the moving frame (4), a limiting block one (29) is fixedly connected to the rotating rod (28), and a limiting block two (30) is fixedly connected to the moving frame (4); when the limiting block one (29) and the limiting block two (30) are in contact with each other, the connecting roller (6) and the feeding roller (2) are oppositely arranged.

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