CN221218096U - Integrated automatic thread cutting multi-needle machine - Google Patents

Abstract

The utility model relates to the technical field of sewing machinery, in particular to an integrated automatic thread cutting multi-needle machine which comprises a multi-needle machine body, a control device, a thread clamp and a supporting base, wherein the control device is connected to the upper end of the multi-needle machine body; the multi-needle machine body is connected with a suture mechanism and a presser foot mechanism, and the suture mechanism comprises a needle rod and a needle bar. The utility model can realize accurate control of the sewing thread by arranging the stitch mechanism and the presser foot mechanism, avoid thread head falling off and improve sewing efficiency and product quality.

Description

Integrated automatic thread cutting multi-needle machine

Technical Field

The utility model relates to the technical field of sewing machinery, in particular to an integrated automatic thread cutting multi-needle machine.

Background

At present, a multi-needle machine is a sewing machine specially used for sewing heavy materials such as leather, canvas, jean and the like. The sewing machine uses a plurality of needles to simultaneously carry out sewing, thereby completing the sewing work more quickly and effectively. Compared with a common sewing machine, the multi-needle machine has stronger driving force and better stability, and can process thicker materials and more complex sewing tasks.

In the prior art, part of sewing thread of the multi-needle machine passes through the needle porous thread passing frame to be connected with the needle, and part of sewing thread passes through the looper porous thread passing frame to be connected with the looper, however, the sewing thread passing through the porous thread passing frame can be always in a tight state when working, because a certain thread head is reserved on the needle looper after thread cutting or during debugging, no surplus thread head can fall off from the needle or looper, after thread cutting, the sewing thread head falls off from the thread passing hole of the needle or looper, so that the machine is stopped, the sewing progress of workers is disturbed, the sewing efficiency is influenced, and the multi-needle machine in the prior art needs high-precision positioning and adjustment in the cloth feeding process so as to ensure the sewing accuracy and consistency. However, due to complicated mechanical structure, abrasion of parts and the like, the cloth feeding part of the multi-needle machine in the prior art is often difficult to adjust and position, and the problems of poor sewing, low efficiency and the like can be caused.

Therefore, we propose an integrated automatic thread cutting multi-needle machine to solve the above technical problems.

Disclosure of utility model

The utility model aims to provide an integrated automatic thread cutting multi-needle machine, which can realize accurate control of a sewing thread by arranging a thread mechanism and a presser foot mechanism, prevent thread ends from falling off and improve sewing efficiency and product quality.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the integrated automatic thread cutting multi-needle machine comprises a multi-needle machine body, a control device, a thread clamp and a supporting base, wherein the control device is connected to the upper end of the multi-needle machine body, the control device is in driving connection with the multi-needle machine body, the thread clamp is connected to the front end of the multi-needle machine body through a thread clamp mounting plate, and the supporting base is fixedly connected to the bottom of the multi-needle machine body;

The multi-needle machine body is connected with a suture mechanism and a presser foot mechanism, the suture mechanism comprises a needle bar and a needle bar, the needle bar and the multi-needle machine body are connected with each other in a driving way, the needle bar is fixedly connected to the lower end of the needle bar, and a plurality of machine needles are fixedly connected to the needle bar;

The presser foot mechanism is arranged on one side of the suture mechanism and comprises a pressing rod and a presser foot, the pressing rod and the multi-needle machine body are in driving connection with each other, and the presser foot is fixedly connected to the lower end of the pressing rod;

The rear end of the multi-needle machine body is provided with a cloth feeding mechanism, the cloth feeding mechanism comprises a cloth feeding driving assembly, a lifting adjusting assembly, a rear mop wheel, a cloth feeding gear and a fixing frame, the cloth feeding gear is rotationally connected to a processing table, the cloth feeding gear is positioned at the lower end of the rear mop wheel, the cloth feeding gear is in meshed connection with the rear mop wheel, the rear mop wheel is arranged on the fixing frame, and the fixing frame is connected to the lower end of the lifting adjusting assembly;

The driving assembly comprises a driving shaft, a connecting rod and a driving plate, one end of the driving shaft is in driving connection with the multi-needle machine body, the other end of the driving shaft is fixedly connected with the connecting rod, one end of the connecting rod is fixedly connected with the driving plate, and the rear cloth dragging wheel is in rotational connection with the driving plate.

Further, lift adjustment subassembly includes lift axle, actuating cylinder, cylinder roof, connecting plate, connecting rod, connecting piece, connection piece and connecting block and lift axle, actuating cylinder's output drive is connected with the pressure head, and the pressure head is located the upper end of cylinder roof, connecting plate fixed connection is in the one end of cylinder roof, through connecting rod interconnect between connecting plate and the connecting piece, interconnect between connecting piece intercommunication connection piece and the connecting block.

Further, the bottom of lift axle with mutual fixed connection between the mount, the connecting block cover establish on the lift axle and with mutual fixed connection between the lift axle, be connected with in one side of connecting block and lift the handle, be provided with the fixed block on the lift axle, mutual fixed connection between fixed block and the multiple needle machine body.

Further, the front end fixedly connected with curved needle thread releasing mechanism and the needle thread releasing mechanism of many needles machine body are all driven to be connected with the thread releasing cylinder on curved needle thread releasing mechanism and needle thread releasing mechanism, curved needle thread releasing mechanism includes thread passing piece A and routing piece A, thread passing piece A sets up respectively in the left and right sides of routing piece A, thread passing piece A and routing piece A all with many needles machine body between fixed connection each other.

Further, the needle thread loosening mechanism is located above the curved needle thread loosening mechanism and comprises a thread passing piece B and a thread bonding piece B, the thread passing piece B is respectively arranged on the left side and the right side of the thread bonding piece B, and the thread passing piece B and the thread bonding piece B are fixedly connected with the multi-needle machine body.

Further, the rear end of the processing table is connected with a plurality of electromagnetic valves.

Further, the hand guard and the goggles are fixedly connected to the multi-needle machine body.

The utility model has the advantages that: the utility model provides an integrated automatic thread cutting multi-needle machine, which has the following advantages:

1. According to the utility model, the lifting adjusting component is arranged, so that the adaptability to different thickness fabrics and the sewing effect can be optimized, and the adaptability and the sewing efficiency of the machine are improved.

2. According to the utility model, by arranging the looper thread loosening mechanism and the needle thread loosening mechanism, the thread loosening actions of the loopers and the needles can be accurately controlled, thread head falling is avoided, and the sewing efficiency and the product quality are improved.

3. The utility model is of an integrated structure, has no exposed circuit, and has simple structure, attractive appearance and easy operation.

4. According to the utility model, the protection of operators and the safe use of the machine can be realized by arranging the hand guard and the goggles, so that the safety and the reliability of the machine are improved.

In summary, the integrated automatic thread trimming multi-needle machine has the advantages of simplifying the structure, improving the stability and the reliability, reducing the maintenance cost, improving the adaptability and the sewing efficiency, improving the production efficiency and the product quality, protecting the safety of operators and machines, and the like, and effectively improves and innovates the technical problems existing in the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of another embodiment of the present utility model;

FIG. 3 is a schematic view of a partially enlarged structure of the present utility model;

Wherein:

1. a multi-needle machine body; 2. A wire holder mounting plate; 3. A wire clip;

4. A support base; 5. A wire passing member A; 6. A wire bonding member A;

7. a thread loosening cylinder; 8. A presser foot; 9. Hand protection;

10. goggles; 11. A needle plate; 12. Needle distillation;

13. A rear mop wheel; 14. Lifting the handle; 15. A control device;

16. A wire bonding member B; 17. A wire passing member B; 18. A driving cylinder;

19. A cloth feeding gear; 20. A pressure head; 21. A cylinder top plate;

22. A connecting plate; 23. A connecting rod; 24. A connecting piece;

25. A drive shaft; 26. A connecting rod; 27. A driving plate;

28. A connecting sheet; 29. A connecting block; 30. A lifting shaft;

31. A fixing frame; 32. A fixed block; 33. An electromagnetic valve;

34. a needle bar; 35. A needle; 36. And (5) pressing the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, but rather the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

Fig. 1 is a schematic perspective view of the structure of the present utility model, fig. 2 is a schematic perspective view of the other side of the present utility model, fig. 3 is a schematic view of a partially enlarged structure of the present utility model, as shown in fig. 1, fig. 2 and fig. 3, an integrated automatic thread cutting multi-needle machine includes a multi-needle machine body 1, a control device 15, a thread clamp 3 and a supporting base 4, wherein the control device 15 is connected to the upper end of the multi-needle machine body 1, the control device 15 is connected with the multi-needle machine body 1 in a driving manner, the control device 15 includes a display screen and a plurality of control keys, the device is a control center of the multi-needle machine, and can control each component in the multi-needle machine according to a preset program or an external command, the operation is simple, the thread clamp 3 is connected to the front end of the multi-needle machine body 1 through a thread clamp mounting plate 2, the thread clamp 3 is used for clamping a thread so as to keep a thread head stable in a sewing process, and the supporting base 4 is fixedly connected to the bottom of the multi-needle machine body 1, thereby playing a role of a firm supporting;

The multi-needle machine body 1 is connected with a suture mechanism and a presser foot mechanism, the suture mechanism comprises a needle bar 34 and a needle bar 12, the needle bar 34 and the multi-needle machine body 1 are in driving connection with each other, the needle bar 12 is fixedly connected to the lower end of the needle bar 34, the needle bar 12 is fixedly connected with a plurality of machine needles 35, and the multi-needle simultaneous sewing can be realized through the suture mechanism, so that the sewing efficiency and quality are improved. The suture mechanism refers to a mechanical structure for conducting the motion between the needle and the thread and forming a stitch loop. The needle bar 34 is a part of the driving connection between the multi-needle machine body 1 and the suture mechanism, and can enable a plurality of needles to move simultaneously and enable the needles to penetrate through the fabric to carry out sewing. The needle bar 34 is typically made of cemented carbide, has high hardness and wear resistance, and can maintain good working conditions in high-speed motions. The stitch 12 is a fixed structure arranged at the lower end of the needle bar 34, and mainly has the functions of supporting the needle 35 and guiding the movement direction of the needle bar 34, and when in sewing, the needle 35 performs a series of actions such as lifting, wiring, wire feeding, pressing down and the like through the cooperation of the stitch 12 and the needle bar 34, thereby completing the sewing process. The multi-needle machine can simultaneously sew a plurality of stitch stitches by utilizing the matching of the needle bar 34 and the stitch 12, thereby greatly improving the sewing efficiency.

The presser foot mechanism is arranged on one side of the suture mechanism, the presser foot mechanism comprises a pressing rod 36 and a presser foot 8, the pressing rod 36 is in driving connection with the multi-needle machine body 1, the presser foot 8 is fixedly connected to the lower end of the pressing rod 36, and the presser foot mechanism plays a role in fixing fabrics. During normal sewing, the fabric needs to remain stationary so that the needle 35 can pass through the fabric to complete the stitch. The presser foot 8 presses the fabric just like a pressure plate, prevents the fabric from shaking during movement, and improves the sewing stability and effect. The presser foot mechanism can be adjusted according to the material of the fabric and the sewing requirement. For example, when sewing thicker fabrics, the presser foot 8 may exert more pressure to ensure that the needle can pass smoothly through the fabric; when sewing the thin fabric, the pressure of the presser foot 8 needs to be reduced to avoid the damage and deformation of the fabric;

The utility model is provided with a cloth feeding mechanism at the rear end of a multi-needle machine body 1, the cloth feeding mechanism comprises a cloth feeding driving component, a lifting adjusting component, a rear mop wheel 13, a cloth feeding gear 19 and a fixing frame 31, wherein the cloth feeding gear 19 is rotationally connected to a processing table 8, the cloth feeding gear 19 is positioned at the lower end of the rear mop wheel 13, the cloth feeding gear 19 is in meshed connection with the rear mop wheel 13, the rear mop wheel 13 is arranged on the fixing frame 31, and the fixing frame 31 is connected at the lower end of the lifting adjusting component; the driving assembly comprises a driving shaft 25, a connecting rod 26 and a driving plate 27, one end of the driving shaft 25 is in driving connection with the multi-needle machine body 1, the other end of the driving shaft 25 is fixedly connected with the connecting rod 26, one end of the connecting rod 26 is fixedly connected with the driving plate 27, the rear mop wheel 13 is in rotational connection with the driving plate 27, and the cloth feeding mechanism mainly plays the following roles:

And (3) cloth feeding driving: the cloth feeding mechanism rotates a cloth feeding gear 19 on the multi-needle machine body 1 through a cloth feeding driving assembly. This allows a gradual feed of the fabric from the feed zone to the sewing zone, achieving a continuous and stable cloth feed.

Lifting and adjusting: the lifting adjusting component is used for adjusting the height of the cloth feeding mechanism so as to adapt to fabrics with different thicknesses. By the lifting adjustment, a proper contact pressure between the cloth feed gear 19 and the fabric can be ensured to obtain a good cloth feed effect.

Rear mop wheel 13: the rear mop wheel 13 is positioned above the cloth feeding gear 19, and the rear mop wheel and the cloth feeding gear are meshed with each other. The rear mop wheel 13 plays a role of assisting in feeding cloth, and works together with the cloth feeding gear 19 in a coordinated manner, so that stable movement of the fabric and accurate feeding into a sewing area are ensured, and the fabric is prevented from loosening or shifting.

Cloth feed gear 19 and mount 31: the cloth feeding gear 19 is arranged on the multi-needle machine body 1 and meshed with the rear mop wheel 13. The fixing frame 31 serves to support and fix the cloth feed gear 19, ensure stable operation of the cloth feed gear 19, and provide a suitable supporting point.

In summary, the cloth feeding mechanism realizes continuous feeding and stable cloth feeding of fabrics through cloth feeding driving and lifting adjustment and the actions of the rear mop wheel 13 and the fixing frame 31, provides necessary cloth support and control for the sewing operation of the multi-needle machine, and ensures the sewing accuracy and quality.

The lifting adjusting assembly comprises a lifting shaft 30, a driving cylinder 18, a cylinder top plate 21, a connecting plate 22, a connecting rod 23, a connecting piece 24, a connecting piece 28, a connecting block 29 and a lifting shaft 30, wherein the output end of the driving cylinder 18 is in driving connection with a pressure head 20, the pressure head 20 is positioned at the upper end of the cylinder top plate 21, the connecting plate 22 is fixedly connected with one end of the cylinder top plate 21, the connecting plate 22 and the connecting piece 24 are connected with each other through the connecting rod 23, the connecting piece 24 is connected with the connecting piece 28 through the connecting piece 29, the bottom of the lifting shaft 30 is fixedly connected with the fixing frame 31, the connecting piece 29 is sleeved on the lifting shaft 30 and is fixedly connected with the lifting shaft 30, one side of the connecting piece 29 is connected with a lifting handle 14, the lifting shaft 30 is provided with a fixed block 32, the fixed block 32 is fixedly connected with the multi-needle machine body 1, and the lifting adjusting assembly plays the following roles in a cloth feeding mechanism of the multi-needle machine:

Height adjustment: the lifting adjusting assembly realizes the height adjustment of the cloth feeding mechanism through the lifting shaft 30. The contact pressure between the cloth feeding gear 19 and the fabric can adapt to the fabrics with different thicknesses by adjusting the position of the lifting shaft 30, so that the stability and uniformity of cloth feeding are ensured.

Pressure head control: the driving cylinder 18 is connected with a pressure head 20 through an output end, and the pressure head 20 is positioned at the upper end of a cylinder top plate 21. By controlling the driving cylinder 18, the position and the force of the pressure head 20 can be adjusted, so that the tight contact between the fabric and the fabric feeding gear 19 in the fabric feeding process is ensured, and the fabric is prevented from loosening or slipping.

Connecting and fixing: the parts such as the connecting plate 22, the connecting piece 24, the connecting piece 28, the connecting block 29 and the like in the lifting adjusting assembly are mutually connected through the connecting rod 23 and the connecting mode, and the lifting shaft 30 is fixedly connected with the fixing frame 31. The purpose of these attachment and securement structures is to provide stable support and securement points to ensure stability and reliability of the lift adjustment assembly.

In summary, the lifting adjusting component realizes the accurate control and the adaptive adjustment of the cloth feeding mechanism through the functions of height adjustment, pressure head control, connection, fixation and the like in the cloth feeding mechanism of the multi-needle machine, ensures the smooth supply and the stability of the fabric in the sewing process, and improves the sewing efficiency and quality.

The front end of the multi-needle machine body 1 is fixedly connected with a looper thread loosening mechanism and a needle 35 thread loosening mechanism, thread loosening cylinders 7 are respectively and drivingly connected to the looper thread loosening mechanism and the needle 35 thread loosening mechanism, the looper thread loosening mechanism comprises thread passing pieces A5 and thread bonding pieces A6, the thread passing pieces A5 are respectively arranged on the left side and the right side of the thread bonding pieces A6, the thread passing pieces A5 and the thread bonding pieces A6 are respectively and fixedly connected with the multi-needle machine body 1, the needle 35 thread loosening mechanism is positioned above the looper thread loosening mechanism, the needle 35 thread loosening mechanism comprises thread passing pieces B17 and thread bonding pieces B16, the thread passing pieces B17 are respectively arranged on the left side and the right side of the thread bonding pieces B16, and the looper thread loosening mechanism has the function of ensuring smooth thread passing through fabrics and avoiding thread breakage or breakage caused by overlarge needle thread tension. The design and the position arrangement of the thread passing piece A5 and the thread bonding piece A6 can reduce the resistance of the fabric to the needle thread, so that the needle thread can smoothly pass through the fabric, and the stable sewing effect is realized; the needle 35 thread loosening mechanism in the utility model has the function of ensuring that the stitch on the fabric is not pulled by the needle 35 to be tensioned, and avoiding the deformation or rupture of the fabric. The design and positioning of the wire passing member B17 and the wire bonding member B16 allows the needle 35 to pass smoothly through the stitch without causing excessive force or damage to the stitch when passing through the fabric. The rear end of the processing table 8 is connected with a plurality of electromagnetic valves 33, so that the automatic control and the efficient production of the processing process can be realized, and the production efficiency and the product quality are improved; according to the utility model, the hand guard 9 and the goggles 10 are fixedly connected to the multi-needle machine body 1, so that the safety of operators can be protected, and accidental injury can be avoided.

Working principle: when the multi-needle machine is used, firstly, a machine is started through a control device 15, the control device 15 is connected to the upper end of the multi-needle machine body 1 and is in driving connection with the multi-needle machine body, the whole system is driven to start working after the machine is started, then a thread clamp 3 clamps yarns, the thread clamp 3 is connected to the front end of the multi-needle machine body 1 through a thread clamp mounting plate 2, the control device 15 drives a suture mechanism and a presser foot mechanism on the multi-needle machine body 1, wherein the suture mechanism comprises a needle bar 34 and a needle bar 12, the needle bar 34 is in driving connection with the multi-needle machine body 1, the needle bar 12 is fixedly connected to the lower end of the needle bar 34, and a plurality of needles 35 are fixedly connected to the needle bar 12. The presser foot mechanism is arranged on one side of the suture mechanism, the presser foot mechanism comprises a pressing rod 36 and a presser foot 8, the pressing rod 36 is in driving connection with the multi-needle machine body 1, and the presser foot 8 is fixedly connected to the lower end of the pressing rod 36. And (3) performing sewing: when the sewing mechanism and the presser foot mechanism are driven, the sewing mechanism starts to carry out sewing, and the presser foot mechanism fixes and compresses the cloth to be sewn. The cloth feeding mechanism advances cloth: also, the cloth feeding mechanism at the rear end of the multi-needle machine body 1 is driven at the same time. The cloth feeding mechanism comprises a cloth feeding driving component, a lifting adjusting component, a rear mop wheel 13, a cloth feeding gear 19 and a fixing frame 31. The cloth feed drive assembly will drive the cloth feed gear 19 to advance the cloth through engagement with the rear mop wheel 13. The cloth feeding gear 19 is rotatably connected to the multi-needle machine body 1 and is positioned at the lower end of the rear mop wheel 13, and the fixing frame 31 is connected to the lower end of the lifting adjusting component. Adjusting the position of the cloth: after the cloth feeding gear 19 is meshed with the rear mop wheel 13, the position of the cloth can be adjusted through the lifting adjusting component. This operation allows for fine control of the position and pressure of the cloth according to the specific sewing requirements. Action of the drive assembly: in addition, the drive assembly comprises a drive shaft 25, a connecting rod 26 and a drive plate 27, one end of the drive shaft 25 is in driving connection with the multi-needle machine body 1, the other end of the drive shaft 25 is fixedly connected with the connecting rod 26, one end of the connecting rod 26 is fixedly connected with the drive plate 27, and the rear mop wheel 13 is rotatably connected with the drive plate 27. This arrangement allows the drive assembly to act as a transmission throughout the system, and when the drive shaft 25 is rotated, the rear mop wheel 13 can be rotated by the link 26 and drive plate 27 to thereby drive the feed of the cloth. The utility model utilizes the control device 15, the thread clamp 3, the thread mechanism, the presser foot mechanism, the cloth feeding mechanism and the like to work cooperatively, realizes automatic sewing operation, and effectively improves the working efficiency and the sewing quality.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides an automatic line multiseeding machine of cutting of integral type, includes multiseeding machine body (1), controlling means (15), presss from both sides line ware (3) and support base (4), controlling means (15) are connected in the upper end of multiseeding machine body (1), drive each other between controlling means (15) and multiseeding machine body (1) and are connected, presss from both sides line ware (3) and connects the front end at multiseeding machine body (1) through presss from both sides line ware mounting panel (2), support base (4) fixed connection is in the bottom of multiseeding machine body (1);

The method is characterized in that: the multi-needle machine body (1) is connected with a suture mechanism and a presser foot mechanism, the suture mechanism comprises a needle bar (34) and a stitch (12), the needle bar (34) and the multi-needle machine body (1) are in driving connection with each other, the stitch (12) is fixedly connected to the lower end of the needle bar (34), and a plurality of machine needles (35) are fixedly connected to the stitch (12);

The presser foot mechanism is arranged on one side of the suture mechanism and comprises a pressing rod (36) and a presser foot (8), the pressing rod (36) is in driving connection with the multi-needle machine body (1), and the presser foot (8) is fixedly connected to the lower end of the pressing rod (36);

The rear end of the multi-needle machine body (1) is provided with a cloth feeding mechanism, the cloth feeding mechanism comprises a cloth feeding driving assembly, a lifting adjusting assembly, a rear mop wheel (13), a cloth feeding gear (19) and a fixing frame (31), the cloth feeding gear (19) is rotationally connected to the multi-needle machine body (1), the cloth feeding gear (19) is positioned at the lower end of the rear mop wheel (13), the cloth feeding gear (19) is in meshed connection with the rear mop wheel (13), the rear mop wheel (13) is arranged on the fixing frame (31), and the fixing frame (31) is connected to the lower end of the lifting adjusting assembly;

The driving assembly comprises a driving shaft (25), a connecting rod (26) and a driving plate (27), one end of the driving shaft (25) is in driving connection with the multi-needle machine body (1), the other end of the driving shaft (25) is fixedly connected with the connecting rod (26), one end of the connecting rod (26) is fixedly connected with the driving plate (27), and the rear mop wheel (13) is in rotational connection with the driving plate (27).

2. The automatic thread trimming multi-needle machine according to claim 1, wherein the lifting adjusting assembly comprises a lifting shaft (30), a driving cylinder (18), a cylinder top plate (21), a connecting plate (22), a connecting rod (23), a connecting piece (24), a connecting piece (28) and a connecting block (29), wherein an output end of the driving cylinder (18) is in driving connection with a pressing head (20), the pressing head (20) is located at the upper end of the cylinder top plate (21), the connecting plate (22) is fixedly connected to one end of the cylinder top plate (21), the connecting plate (22) is connected with the connecting piece (24) through the connecting rod (23), and the connecting piece (28) is connected with the connecting block (29) through the connecting piece (24).

3. The integrated automatic thread trimming multi-needle machine according to claim 2, wherein the bottom of the lifting shaft (30) is fixedly connected with the fixing frame (31), the connecting block (29) is sleeved on the lifting shaft (30) and is fixedly connected with the lifting shaft (30), one side of the connecting block (29) is connected with the lifting handle (14), the lifting shaft (30) is provided with a fixing block (32), and the fixing block (32) is fixedly connected with the multi-needle machine body (1).

4. The integrated automatic thread cutting multi-needle machine according to claim 1, wherein the front end of the multi-needle machine body (1) is fixedly connected with a looper thread loosening mechanism and a needle (35) thread loosening mechanism, thread loosening cylinders (7) are respectively and drivingly connected to the looper thread loosening mechanism and the needle (35) thread loosening mechanism, the looper thread loosening mechanism comprises thread passing pieces A (5) and thread bonding pieces A (6), the thread passing pieces A (5) are respectively arranged on the left side and the right side of the thread bonding pieces A (6), and the thread passing pieces A (5) and the thread bonding pieces A (6) are fixedly connected with the multi-needle machine body (1).

5. The integrated automatic thread cutting multi-needle machine according to claim 4, wherein the needle (35) thread loosening mechanism is located above the curved needle thread loosening mechanism, the needle (35) thread loosening mechanism comprises a thread passing member B (17) and a thread bonding member B (16), the thread passing member B (17) is respectively arranged at the left side and the right side of the thread bonding member B (16), and the thread passing member B (17) and the thread bonding member B (16) are fixedly connected with the multi-needle machine body (1).

6. The integrated automatic thread cutting multi-needle machine according to claim 1, wherein the rear end of the multi-needle machine body (1) is connected with a plurality of electromagnetic valves (33).

7. The integrated automatic thread trimming multi-needle machine according to claim 1, wherein a hand guard (9) and a goggles (10) are fixedly connected to the multi-needle machine body (1).