CN221235740U - Large-stroke double-head embroidery machine - Google Patents

Abstract

The application relates to a large-stroke double-head embroidery machine, which relates to the technical field of embroidery machines and comprises a bottom basin and a metal plate horse head arranged on the bottom basin, wherein a main motor and two embroidery machine heads which are connected with the main motor and are used for embroidery are arranged on the metal plate horse head, a transmission mechanism is arranged on the bottom basin, and two rotating shuttles are rotatably arranged on the bottom basin positioned below the two embroidery machine heads through the transmission mechanism. According to the rotary shuttle, the driving assembly is started to drive the driving belt to rotate, the driving belt rotates to drive the driving shaft to rotate, the driving shaft rotates to drive the second umbrella teeth and the first umbrella teeth to rotate, the first umbrella teeth rotate to drive the first rotating shaft to rotate, and the first rotating shaft rotates to drive the rotary shuttle to rotate, so that the rotary shuttle rotates; when facing the great embroidery demand of stroke, only need change place the position of case, then adjust to drive belt's length can, the cost is lower and change conveniently, work efficiency is high.

Description

Large-stroke double-head embroidery machine

Technical Field

The application relates to the technical field of embroidery machinery, in particular to a large-stroke double-head embroidery machine.

Background

The double-headed embroidery machine is an embroidery device having two embroidery heads. It can embroider two patterns or characters at the same time, so as to raise production efficiency and reduce cost.

In the related art, reference may be made to the chinese patent of the issued publication No. CN217078007U, which discloses a multi-head embroidery machine transmission driving system and a multi-head embroidery machine, comprising a main motor disposed on a frame of the embroidery machine, a first main transmission shaft rotatably disposed on a girder of the embroidery machine, a second main transmission shaft, and a rotating shuttle transmission assembly, wherein the first main transmission shaft is connected with the main motor through a synchronous belt assembly, the second main transmission shaft is disposed along a distribution direction of the embroidery machine head and is connected with an input shaft of the embroidery machine head, the second main transmission shaft is in transmission connection with the first main transmission shaft, the rotating shuttle transmission assembly is connected with the rotating shuttle and the main motor, and the rotating shuttle transmission assembly comprises a third main transmission shaft, an auxiliary transmission shaft and a rotating shuttle shaft for connecting with the rotating shuttle.

The rotation of the rotating shuttle of the embroidery machine is realized by the rotation of the third main transmission shaft, the auxiliary transmission shaft and the rotating shuttle shaft in the actual use process, so that the third main transmission shaft and the rotating shuttle shaft with longer length are required to be used when the embroidery machine faces the large-stroke embroidery requirement. However, the installation position of the third main transmission shaft is on the second installation plate positioned at the end part of the third main transmission shaft, and according to the lever principle, when the support points are fixed, the force generated by the longer force arm is larger, the second installation plate of the embroidery machine can bear larger acting force from the third main transmission shaft during large-stroke embroidery, and the third main transmission shaft also needs to rotate, so that the damage and the faults of the machine body are easily caused, and the transmission shafts with different sizes are required to be independently die-cast for different large-stroke embroidery, which is time-consuming and labor-consuming and has higher production cost.

Disclosure of utility model

In order to improve the application range of the embroidery machine for different large-stroke embroidery demands, the application provides a large-stroke double-head embroidery machine.

The application provides a large-stroke double-head embroidery machine, which adopts the following technical scheme:

The utility model provides a big stroke double-end embroidery machine, includes end basin and the panel beating horse head of setting on end basin, be provided with main motor and two embroidery machine heads that are connected and are used for the embroidery with main motor on the panel beating horse head, be provided with drive mechanism on the end basin, be located two be provided with two rotating shuttles through drive mechanism rotation on the end basin of embroidery machine head below, drive mechanism includes:

The two placing boxes are arranged on the bottom basin, the inside of the two placing boxes is in a hollow state, and the two rotating shuttles are respectively and rotatably arranged on the two placing boxes;

The first rotating shaft is rotatably arranged in the placing box and is connected with the rotating shuttle;

The transmission shaft is rotatably arranged on the two placement boxes, and two ends of the transmission shaft extend into the two placement boxes respectively;

The first umbrella teeth are arranged on the first rotating shaft;

The second bevel gear is arranged on the transmission shaft and meshed with the first bevel gear;

the first belt pulley is arranged on the transmission shaft;

the second belt pulley is rotatably arranged on the metal plate metal horse head;

The driving assembly is arranged on the sheet metal horse head and used for driving the second belt wheel to rotate;

And the transmission belt is sleeved on the first belt pulley and the second belt pulley.

By adopting the technical scheme, the driving assembly starts to drive the second belt pulley to rotate, the second belt pulley rotates to drive the driving belt to rotate, the driving belt rotates to drive the first belt pulley to rotate, the first belt pulley rotates to drive the driving shaft to rotate, the driving shaft rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the first rotating shaft to rotate, and the first rotating shaft rotates to drive the rotating shuttle to rotate, so that the rotating work of the rotating shuttle is completed; when facing the great embroidery demand of stroke, only need change place the position of case, then adjust to drive belt's length can, need not in addition open die casting place case or transmission shaft, the cost is lower and change conveniently, work efficiency is high for the embroidery machine organism also can not receive the great stress influence of placing the case, has improved the life of embroidery machine.

Optionally, the driving assembly includes:

The first driving rod is rotatably arranged on the sheet metal horse head and is connected with the second belt wheel;

the second driving rod is rotatably arranged on the metal plate metal horse head;

The third bevel gear is arranged on the output shaft of the main motor;

a fourth bevel gear disposed on the second drive rod and engaged with the third bevel gear;

a third pulley disposed on the second drive rod;

A fourth pulley disposed on the first drive rod;

And the driving belt is sleeved on the third belt pulley and the fourth belt pulley.

Through adopting above-mentioned technical scheme, the main motor starts to drive two embroidery aircraft nose starts and drives the third umbrella tooth and rotate when carrying out embroidery work, and the third umbrella tooth rotates and drives the fourth umbrella tooth and rotate, and the fourth umbrella tooth rotates and drives the second actuating lever and rotate, and the second actuating lever rotates and drives the third band pulley and rotate, and the third band pulley rotates and drives the drive belt and rotate, and the drive belt rotates and drives the fourth band pulley and rotate, and the fourth band pulley rotates and drives first actuating lever and rotate, and first actuating lever rotates and drives the second band pulley and rotate to the completion is to the drive work of second band pulley when main motor starts.

Optionally, be provided with fixed subassembly on the end basin, fixed subassembly is used for fixing the position of placing the case on the end basin, fixed subassembly includes:

The first fixing plate is arranged on the bottom basin and is in a vertical state, a first fixing hole is formed in the first fixing plate, and the placing box is in clamping fit with the first fixing hole;

The second fixed plate, the second fixed plate sets up on placing the case, second fixed plate and first fixed plate mutually perpendicular set up, a plurality of second fixed orifices have been seted up along length direction equipartition on the second fixed plate, second fixed orifice and first fixed plate joint cooperation.

Through adopting above-mentioned technical scheme, remove to place the case card and go into the first fixed orifices of first fixed plate mountain, then will place the second fixed orifices card of corresponding position department on the second fixed plate on the case and go up on the first fixed plate to the fixed work of placing the case on the end basin has been accomplished.

Optionally, a balancing weight is arranged at one end of the placement box above the bottom basin, and an anti-slip pad is arranged at the bottom pad of the balancing weight.

By adopting the technical proposal, the utility model has the advantages that,

Optionally, establish on the end that places the case and lie in the basin at the bottom and install the balancing weight on to reduced and placed the possibility that the junction atress of case and basin is too big and deformation after placing the longer length outside the basin of case one end that the case was equipped with the rotating shuttle, and through placing the case bottom and filling up the slipmat, improved and placed the holistic stability of case. A first tensioning assembly for tensioning a drive belt is provided, the first tensioning assembly comprising:

The first tensioning block is vertically arranged on the bottom basin in a sliding manner;

The first tensioning screw rod is provided with a vertical sliding hole, and the first tensioning screw rod is arranged on the first tensioning block and penetrates through the sliding hole;

the first tensioning wheel is rotatably arranged on the first tensioning block;

The first tensioning screw cap is in threaded connection with the first tensioning screw rod, and the first tensioning wheel is fixed on the bottom basin and abuts against the transmission belt under the action of the first tensioning screw rod and the first tensioning screw cap.

Through adopting above-mentioned technical scheme, install first tensioning piece through first tensioning screw rod vertical slip on the end basin, remove first tensioning piece and make first take-up pulley support tightly on the transmission belt, then screw up first tensioning nut to accomplish the tensioning work of transmission belt, reduced the probability that transmission belt and first band pulley and second band pulley take-off, guaranteed the transmission effect.

Optionally, be provided with the second tensioning assembly that is used for carrying out tensioning to driving belt on the panel beating horse, the second tensioning assembly includes:

The second tensioning block is vertically arranged on the metal plate Jin Matou in a sliding manner;

The second tensioning wheel is rotatably arranged on the second tensioning block, and the second tensioning wheel is abutted against the driving belt under the action of gravity of the second tensioning block.

Through adopting above-mentioned technical scheme, install second tensioning piece and second take-up pulley on the panel beating horse, the second take-up pulley supports tightly on the drive belt under the action of the gravity of second tensioning piece to accomplish the tensioning work to the drive belt, reduced the probability that drive belt and third band pulley and fourth band pulley take off, guaranteed the transmission effect.

Optionally, be provided with the reinforcing plate that is triangle-shaped between first fixed plate and the end basin, the both sides lateral wall of reinforcing plate mutually perpendicular is connected with first fixed plate and end basin respectively.

Through adopting above-mentioned technical scheme, install the reinforcing plate between first fixed plate and end basin to strengthen the joint strength between first fixed plate and the end basin, improved the fixed strength of first fixed plate to placing the case.

Optionally, hanging rings are arranged on the outer side walls of the two opposite sides of the bottom basin.

Through adopting above-mentioned technical scheme, install rings on the basin to when transporting or installing the embroidery machine is whole, hoist and mount or transport through rings can, thereby protected the organism of embroidery machine, reduced the probability that embroidery machine damaged when transporting or installing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The second belt pulley is started to drive the second belt pulley to rotate through the driving assembly, the second belt pulley rotates to drive the driving belt to rotate, the driving belt rotates to drive the first belt pulley to rotate, the first belt pulley rotates to drive the driving shaft to rotate, the driving shaft rotates to drive the second umbrella teeth to rotate, the second umbrella teeth rotate to drive the first umbrella teeth to rotate, the first umbrella teeth rotate to drive the first rotating shaft to rotate, and the first rotating shaft rotates to drive the rotating shuttle to rotate, so that the rotating work of the rotating shuttle is completed; when the embroidery requirement with larger stroke is met, only the position of the placement box is required to be changed, then the length of the transmission belt is adjusted, the placement box or the transmission shaft does not need to be additionally opened for die casting, the cost is low, the replacement is convenient, the working efficiency is high, the embroidery machine body is not influenced by larger stress of the placement box, and the service life of the embroidery machine is prolonged;

2. The movable placing box is clamped into the first fixing hole of the first fixing plate mountain, and then the second fixing hole at the corresponding position on the second fixing plate on the placing box is clamped onto the first fixing plate, so that the fixing work of the placing box on the bottom basin is completed;

3. Through installing rings on the basin to when transporting or installing the embroidery machine is whole, hoist and mount or transport through rings can, thereby protected the organism of embroidery machine, reduced the probability that embroidery machine damaged when transporting or installing.

Drawings

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

FIG. 2 is a schematic diagram of the transmission mechanism of the present application;

FIG. 3 is a schematic illustration of the construction of the transmission and second tensioning assembly of the present application;

Fig. 4 is a schematic view of the structure of the first tensioning assembly of the present application.

Reference numerals: 1. a bottom basin; 11. sheet metal horse head; 12. a main motor; 13. embroidery machine head; 14. a rotating shuttle; 15. balancing weight; 16. a reinforcing plate; 17. a hanging ring; 2. a transmission mechanism; 21. placing a box; 22. a first rotating shaft; 23. a transmission shaft; 24. a first bevel gear; 25. a second bevel gear; 26. a first pulley; 27. a second pulley; 28. a drive assembly; 29. a drive belt; 31. a first driving lever; 32. a second driving lever; 33. a third bevel gear; 34. fourth umbrella teeth; 35. a third pulley; 36. a fourth pulley; 37. a drive belt; 4. a fixing assembly; 41. a first fixing plate; 42. a second fixing plate; 5. a first tensioning assembly; 51. a first tensioning block; 52. a first tensioning screw; 53. a first tensioning wheel; 54. a first tensioning nut; 55. a mounting block; 6. a second tensioning assembly; 61. a second tensioning block; 62. and a second tensioning wheel.

Detailed Description

The present application will be described in further detail with reference to fig. 1 to 4.

The embodiment of the application discloses a large-stroke double-head embroidery machine.

Referring to fig. 1 and 2, the large-stroke double-head embroidery machine comprises a bottom tub 1 and a sheet metal horse head 11 arranged on the bottom tub 1, wherein a main motor 12 and two embroidery machine heads 13 connected with the main motor 12 and used for embroidery are arranged on the sheet metal horse head 11, a transmission mechanism 2 is arranged on the bottom tub 1, and two rotating shuttles 14 are rotatably arranged on the bottom tub 1 below the two embroidery machine heads 13 through the transmission mechanism 2.

Referring to fig. 2 and 3, the transmission mechanism 2 includes two placement boxes 21, a first shaft 22, a transmission shaft 23, a first bevel gear 24, a second bevel gear 25, a first pulley 26, a second pulley 27, a driving assembly 28, and a transmission belt 29. The bottom basin 1 is provided with a fixing component 4, and two placing boxes 21 are respectively arranged on the bottom basin 1 below the two embroidery machine heads 13 through two groups of fixing components 4. The inside of the placement box 21 is in a hollow state, and the two rotating shuttles 14 are rotatably installed on the two placement boxes 21, respectively.

Referring to fig. 2 and 3, a first rotating shaft 22 is rotatably installed in the placement case 21 and has one end connected to the rotating shuttle 14. The transmission shaft 23 is rotatably installed on a side wall of the two placing boxes 21 adjacent to each other and both ends thereof are respectively protruded into the two placing boxes 21. The first bevel gear 24 is fixedly attached to an end of the first shaft 22 remote from the rotating shuttle 14. The second bevel gear 25 is fixedly connected to the two ends of the transmission shaft 23 which are positioned in the placement box 21. The first tooth 24 engages with the second tooth 25. The first pulley 26 is fixedly connected to the center of the drive shaft 23. The second belt path is rotatably arranged on the sheet metal horse head 11. The transmission belt 29 is fitted over the first pulley 26 and the second pulley 27. The driving assembly 28 is used for driving the second belt pulley 27 to rotate.

Referring to fig. 2 and 3, the driving assembly 28 is started to drive the second belt pulley 27 to rotate, the second belt pulley 27 rotates to drive the driving belt 29 to rotate, the driving belt 29 rotates to drive the first belt pulley 26 to rotate, the first belt pulley 26 rotates to drive the driving shaft 23 to rotate, the driving shaft 23 rotates to drive the second umbrella teeth 25 to rotate, the second umbrella teeth 25 rotate to drive the first umbrella teeth 24 to rotate, the first umbrella teeth 24 rotate to drive the first rotating shaft 22 to rotate, and the first rotating shaft 22 rotates to drive the rotating shuttle 14 to rotate, so that the rotating work of the rotating shuttle 14 is completed; when the embroidery requirement with larger stroke is met, only the position of the placement box 21 is required to be changed, then the length of the transmission belt 29 is required to be adjusted, the placement box 21 or the transmission shaft 23 is not required to be additionally opened for die casting, the cost is low, the replacement is convenient, the working efficiency is high,

Referring to fig. 2 and 3, the drive assembly 28 includes a first drive rod 31, a second drive rod 32, a third bevel gear 33, a fourth bevel gear 34, a third pulley 35, a fourth pulley 36, and a drive belt 37. The first driving rod 31 is rotatably mounted on the sheet metal horse 11 and has one end connected to the second pulley 27. The second driving rod 32 is rotatably mounted on the sheet metal horse head 11 above the first driving rod 31. The third bevel gear 33 is fixedly connected to the output shaft of the main motor 12. A fourth bevel gear 34 is fixedly connected to an end of the second drive rod 32 adjacent the main motor 12 and is engaged with the third bevel gear 33. The third pulley 35 is fixedly connected to an end of the second drive rod 32 remote from the main motor 12. The fourth pulley 36 is fixedly connected to an end of the first drive rod 31 remote from the second pulley 27. The drive belt 37 is looped over the third pulley 35 and the fourth pulley 36.

Referring to fig. 2 and 3, the main motor 12 is started to drive the two embroidery heads 13 to start embroidery work and simultaneously drive the third bevel gear 33 to rotate, the third bevel gear 33 to rotate and drive the fourth bevel gear 34 to rotate, the fourth bevel gear 34 to rotate and drive the second driving rod 32 to rotate, the second driving rod 32 to rotate and drive the third belt pulley 35 to rotate, the third belt pulley 35 to rotate and drive the driving belt 37 to rotate and drive the fourth belt pulley 36 to rotate, the fourth belt pulley 36 to rotate and drive the first driving rod 31 to rotate and drive the second belt pulley 27 to rotate, and thus the driving work of the second belt pulley 27 is completed while the main motor 12 is started.

Referring to fig. 2 and 3, the fixing assembly 4 includes a first fixing plate 41 and a second fixing plate 42. The first fixing plate 41 is fixedly connected to the upper surface of the tub 1 in a vertical state. The first fixing plate 41 is provided with a horizontal first fixing hole. The placement case 21 is engaged with the first fixing hole. The second fixed plate 42 is fixedly connected to the lower surface of the placement box 21, the second fixed plate 42 and the first fixed plate 41 are mutually perpendicular, a plurality of second fixed holes are uniformly distributed in the second fixed plate 42 along the length direction, and the second fixed holes are matched with the first fixed plate 41 in a clamping mode. The bottom of the end of the placement box 21, which is close to the sheet metal horse head 11, is provided with a balancing weight 15, and the lower surface of the balancing weight 15 is fixedly connected with an anti-slip pad. A triangular reinforcing plate 16 is arranged between the first fixing plate 41 and the bottom basin 1, and two side walls of the reinforcing plate 16, which are mutually perpendicular, are respectively connected with the first fixing plate 41 and the bottom basin 1.

Referring to fig. 2 and 4, the tub 1 is provided with a first tension assembly 5 for tensioning the driving belt 29, and the first tension assembly 5 includes a first tension block 51, a first tension screw 52, a first tension wheel 53, and a first tension nut 54. The upper surface of the bottom basin 1 is fixedly connected with a mounting block 55. The side wall of the mounting block 55, which is close to the transmission belt 29, is provided with a vertical sliding hole. The first tensioning screw 52 is slidably mounted on the sliding aperture. The first tensioning block 51 is fixedly connected to one end of the first tensioning screw 52 close to the transmission belt 29, and the first tensioning wheel 53 is rotatably mounted on a side wall of the mounting block 55 close to the transmission belt 29. The first tensioning nut 54 is screwed onto the end of the first tensioning screw 52 remote from the first tensioning block 51 and abuts against the outer side wall of the mounting block 55. The first tensioning wheel 53 is fastened to the basin 1 by means of a first tensioning screw 52 and a first tensioning nut 54 and bears against the drive belt 29.

Referring to fig. 2 and 3, the sheet metal horse 11 is provided with a second tensioning assembly 6 for tensioning the driving belt 37, and the second tensioning assembly 6 includes a second tensioning block 61 and a second tensioning wheel 62. The second tensioning block 61 is vertically slidably mounted on the sheet metal horse 11, and the second tensioning wheel 62 is rotatably mounted on a side wall of the second tensioning block 61, which is close to the driving belt 37. The second tensioning wheel 62 is pressed against the drive belt 37 under the force of gravity of the second tensioning block 61.

Referring to fig. 2, hanging rings 17 are fixedly connected to the outer side walls of the two opposite sides of the bottom basin 1.

The working principle of the embodiment of the application is as follows:

The driving assembly 28 is started to drive the second belt pulley 27 to rotate, the second belt pulley 27 rotates to drive the driving belt 29 to rotate, the driving belt 29 rotates to drive the first belt pulley 26 to rotate, the first belt pulley 26 rotates to drive the transmission shaft 23 to rotate, the transmission shaft 23 rotates to drive the second umbrella teeth 25 to rotate, the second umbrella teeth 25 rotate to drive the first umbrella teeth 24 to rotate, the first umbrella teeth 24 rotate to drive the first rotating shaft 22 to rotate, and the first rotating shaft 22 rotates to drive the rotating shuttle 14 to rotate, so that the rotating work of the rotating shuttle 14 is completed; when facing the great embroidery demand of stroke, only need change place the position of case 21, then adjust transmission belt 29's length can, need not to open die casting in addition and place case 21 or transmission shaft 23, the cost is lower and change conveniently, work efficiency is high for the embroidery machine organism also can not receive the great stress influence of placing case 21, has improved the life of embroidery machine.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a big stroke double-end embroidery machine which characterized in that: including end basin (1) and panel beating horse head (11) of setting on end basin (1), be provided with main motor (12) and two embroidery aircraft nose (13) that are connected and are used for the embroidery with main motor (12) on panel beating horse head (11), be provided with drive mechanism (2) on end basin (1), be located two be provided with two rotating shuttles (14) through drive mechanism (2) rotation on end basin (1) of embroidery aircraft nose (13) below, drive mechanism (2) include:

The two placing boxes (21) are arranged on the bottom basin (1) and are hollow, and the two rotating shuttles (14) are respectively and rotatably arranged on the two placing boxes (21);

the first rotating shaft (22) is rotatably arranged in the placement box (21) and is connected with the rotating shuttle (14);

The transmission shafts (23) are rotatably arranged on the two placing boxes (21), and two ends of each transmission shaft (23) respectively extend into the two placing boxes (21);

A first bevel gear (24), the first bevel gear (24) being arranged on a first shaft (22);

A second bevel (25), the second bevel (25) being arranged on the drive shaft (23) and being in engagement with the first bevel (24);

A first pulley (26), the first pulley (26) being arranged on the drive shaft (23);

The second belt wheel (27) is rotatably arranged on the sheet metal horse head (11);

The driving assembly (28) is arranged on the sheet metal horse head (11) and is used for driving the second belt wheel (27) to rotate;

And the transmission belt (29) is sleeved on the first belt wheel (26) and the second belt wheel (27).

2. The large stroke double-headed embroidery machine of claim 1, wherein: the drive assembly (28) includes:

The first driving rod (31) is rotatably arranged on the sheet metal horse head (11) and is connected with the second belt wheel (27);

The second driving rod (32) is rotatably arranged on the sheet metal horse head (11);

A third bevel gear (33), the third bevel gear (33) being arranged on the output shaft of the main motor (12);

A fourth bevel (34), the fourth bevel (34) being provided on the second drive rod (32) and being in engagement with the third bevel (33);

A third pulley (35), the third pulley (35) being provided on the second drive lever (32);

A fourth pulley (36), the fourth pulley (36) being provided on the first drive lever (31);

And the driving belt (37) is sleeved on the third belt wheel (35) and the fourth belt wheel (36).

3. The large stroke double-headed embroidery machine of claim 1, wherein: the utility model provides a basin (1) is last to be provided with fixed subassembly (4), fixed subassembly (4) are used for fixing the position of placing case (21) on basin (1), fixed subassembly (4) include:

The first fixing plate (41), the first fixing plate (41) is arranged on the bottom basin (1) and is in a vertical state, a first fixing hole is formed in the first fixing plate (41), and the placing box (21) is in clamping fit with the first fixing hole;

The second fixed plate (42), second fixed plate (42) set up on placing case (21), second fixed plate (42) set up with first fixed plate (41) mutually perpendicular, a plurality of second fixed orifices have been seted up along length direction equipartition on second fixed plate (42), second fixed orifice and first fixed plate (41) joint cooperation.

4. A large stroke double-headed embroidery machine as claimed in claim 3, wherein: the anti-slip basin is characterized in that a balancing weight (15) is arranged at one end, above the basin (1), of the placement box (21), and an anti-slip pad is arranged at the bottom of the balancing weight (15) in a cushioning mode.

5. The large stroke double-headed embroidery machine of claim 1, wherein: a first tensioning assembly (5) for tensioning a transmission belt (29) is arranged on the bottom basin (1), and the first tensioning assembly (5) comprises:

The first tensioning block (51) is vertically arranged on the bottom basin (1) in a sliding manner;

The first tensioning screw (52) is provided with a vertical sliding hole on the bottom basin (1), and the first tensioning screw (52) is arranged on the first tensioning block (51) and penetrates through the sliding hole;

The first tensioning wheel (53), the first tensioning wheel (53) is rotatably arranged on the first tensioning block (51);

the first tensioning nut (54), first tensioning nut (54) threaded connection is on first tensioning screw (52), first tensioning wheel (53) are fixed on end basin (1) and support tightly on driving belt (29) under first tensioning screw (52) and first tensioning nut (54) effect.

6. The large stroke double-headed embroidery machine as claimed in claim 2, wherein: be provided with on panel beating horse (11) and be used for carrying out tensioning second tensioning assembly (6) to driving belt (37), second tensioning assembly (6) include:

The second tensioning block (61) is vertically arranged on the sheet metal horse head (11) in a sliding manner;

The second tensioning wheel (62), the second tensioning wheel (62) rotates and sets up on second tensioning piece (61), second tensioning wheel (62) supports tightly on driving belt (37) under the action of the gravity of second tensioning piece (61).

7. A large stroke double-headed embroidery machine as claimed in claim 3, wherein: a triangular reinforcing plate (16) is arranged between the first fixing plate (41) and the bottom basin (1), and two side walls of the reinforcing plate (16) which are mutually perpendicular are respectively connected with the first fixing plate (41) and the bottom basin (1).

8. The large stroke double-headed embroidery machine of claim 1, wherein: hanging rings (17) are arranged on the outer side walls of the two opposite sides of the bottom basin (1).