CN219157150U

CN219157150U - Large-sized cylindrical sewing electronic pattern machine

Info

Publication number: CN219157150U
Application number: CN202223337176.5U
Authority: CN
Inventors: 周治国
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-09
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a large-sized cylindrical sewing electronic pattern machine, which comprises: the frame, install in the frame and be used for the aircraft nose module of sewing, set up in the aircraft nose module front end and be used for the big faller of suit section of thick bamboo material, set up on big faller and be used for compressing tightly the frame module of pressing of location section of thick bamboo material, set up in the frame and be used for driving the frame module along X axle motion's X axle drive module and set up in the frame and be used for driving the frame module along Y axle motion's Y axle drive module, the frame module of pressing is including the bottom plate, set up in the bottom plate top and be used for pressing from both sides the big frame of pressing from both sides and be used for compressing tightly the little frame of paster material of pressing from both sides in big frame. Through adopting two big press frames and little press frame that can independently go up and down with the press frame module, compress tightly a section of thick bamboo material by big press frame cooperation bottom plate, compress tightly the paster material by little press frame cooperation bottom plate again to guarantee at sewing in-process, the paster material remains throughout and a section of thick bamboo material stable laminating, prevents that the paster material pine takes off.

Description

Large-sized cylindrical sewing electronic pattern machine

Technical field:

the utility model relates to the field of pattern sewing machines, in particular to a large-sized cylindrical sewing electronic pattern sewing machine.

The background technology is as follows:

the electronic pattern machine is the most advanced machine used in handbag factories, shoe factories, luggage factories, clothing factories, leather products factories and furniture factories in the current generation, can realize the traditional manual pattern with high speed and high efficiency, and can also realize the requirements of multi-level, multi-function, uniformity and perfection which cannot be realized by the manual pattern. It is an electromechanical product which embodies a plurality of high-tech technologies.

At present, when an electronic pattern machine on the market processes a cylindrical cylinder, an integral pressing plate is often adopted, after the cylinder is sleeved on a workbench, the whole cylinder is pressed and positioned by pressing the pressing plate, and for patch materials sewn together, the patch materials are pressed together when the cylinder is installed, so that the operation is inconvenient, the accurate positions of the cylinder and the patch materials are difficult to ensure, and especially for large-size cylinder materials, the patch materials or the cylinder materials are often required to be loosened simultaneously, so that the electronic pattern machine is inconvenient for workers to operate, frequent repeated adjustment is required, and the error is large after sewing, the defective percentage is high, the reworking amount and the production cost are increased, and the delivery cycle is prolonged.

In view of this, the present inventors have proposed the following means.

The utility model comprises the following steps:

the utility model aims to overcome the defects of the prior art and provides a large-sized cylindrical sewing electronic pattern machine.

In order to solve the technical problems, the utility model adopts the following technical scheme: an electronic pattern machine for large cylindrical sewing, comprising: the machine frame comprises a machine frame body, a machine head module, a large needle plate, a pressing frame module, an X-axis driving module and a Y-axis driving module, wherein the machine head module is arranged on the machine frame body and used for sewing, the large needle plate is arranged at the front end of the machine head module and used for sleeving a cylinder material, the pressing frame module is movably arranged on the large needle plate and used for compressing and positioning the cylinder material, the X-axis driving module is arranged on the machine frame and used for driving the pressing frame module to move along an X axis, the Y-axis driving module is arranged on the machine frame and used for driving the pressing frame module to move along a Y axis, and the pressing frame module comprises a lower supporting plate, a large pressing frame and a small pressing frame, wherein the lower supporting plate is movably arranged above the large needle plate, the large pressing frame is arranged above the lower supporting plate and used for clamping the cylinder material, and the small pressing frame is arranged beside the large pressing frame and used for compressing patch materials in an independent lifting mode.

Furthermore, in the above technical solution, the frame pressing module further includes a supporting movable plate for supporting the lower support plate, the large pressing frame and the small pressing frame, a first cylinder installed on the supporting movable plate and used for pushing the large pressing frame to move up and down, and a second cylinder installed on the supporting movable plate and used for pushing the small pressing frame to move up and down.

Furthermore, in the above technical scheme, the large pressing frame comprises an L-shaped pressing plate arranged on one side above the lower supporting plate, two first Z-axis sliding rail modules vertically arranged on the supporting movable plate, and a first cantilever frame, wherein the cantilever is arranged on the first Z-axis sliding rail modules and used for supporting the L-shaped pressing plate, and the first cantilever frame is connected with the first cylinder.

In the above technical scheme, a first reinforcing rib is arranged between the L-shaped pressing plate and the first cantilever mount, the first reinforcing rib is located at one side of the L-shaped pressing plate, a second reinforcing rib vertically abutted with the first reinforcing rib is arranged at the other side of the L-shaped pressing plate, and the second reinforcing rib is connected with the first reinforcing rib through a first screw; the middle part of first strengthening rib with first cantilever mount passes through the second screw and articulates, just one side of first strengthening rib is provided with a plurality of be used for adjusting L type clamp plate horizontal inclination's bar mounting hole.

Furthermore, in the above technical solution, the small pressing frame includes a pressing bar disposed at the rear of the L-shaped pressing plate and corresponding to the L-shaped pressing plate, a second Z-axis sliding rail module vertically disposed on the supporting movable plate, and a second cantilever mount mounted on the second Z-axis sliding rail module and used for supporting the pressing bar, and the second cantilever mount is connected with the second cylinder.

Furthermore, in the above technical scheme, one side of the frame is further provided with a side stay bar module which can extend outwards and is used for supporting the large-size cylinder, and the side stay bar module comprises a first guide bar arranged on one side of the frame and used for supporting and guiding, a first sliding seat arranged on the first guide bar in a sliding sleeve manner, a support bar arranged on the first sliding seat and extending to one side of the large needle plate, and a first driving device arranged on the frame and used for pushing the first sliding seat to slide reciprocally along the first guide bar.

Furthermore, in the above technical scheme, the Y-axis driving module comprises a first Y-axis sliding rail assembly and a second Y-axis sliding rail assembly which are arranged on two sides of the machine head module in parallel, a Y-axis moving frame which is arranged on the first Y-axis sliding rail assembly and the second Y-axis sliding rail assembly and is used for supporting the movable plate, a first motor which is used for driving the Y-axis moving frame to move along the first Y-axis sliding rail assembly and the second Y-axis sliding rail assembly, and a Y-axis transmission device which is connected with the first motor and the Y-axis moving frame, wherein the Y-axis moving frame is in a concave shape and is sleeved on the machine head module.

Furthermore, in the above technical scheme, the Y-axis moving frame comprises a first support arm slidably mounted on the first Y-axis sliding rail assembly, a second support arm slidably mounted on the second Y-axis sliding rail assembly, a support beam mounted on the end of the first support arm and the end of the second support arm and transversely arranged at the front end of the machine head module, a left reinforcing plate arranged between the first support arm and the support beam, and a right reinforcing plate arranged between the second support arm and the support beam, wherein the left reinforcing plate and the right reinforcing plate are both right trapezoid.

Furthermore, in the above technical scheme, the X-axis driving module includes an X-axis sliding rail assembly disposed between the supporting beam and the supporting movable plate, a rack mounted on the supporting movable plate and parallel to the X-axis sliding rail assembly, a spline shaft slidably disposed on one side of the head module along a Y-axis, a first gear mounted on one end of the spline shaft and meshed with the rack, a second motor disposed on one side of the head module and used for driving the spline shaft to rotate, and a second gear sleeved on the spline shaft and meshed with the output gear of the second motor, wherein a spline groove is disposed in a shaft hole of the second gear, and the spline shaft is slidable relative to the second gear.

Furthermore, in the above technical scheme, the front end of the machine head module is suspended and provided with a third Y-axis sliding rail assembly for installing and supporting the supporting beam, and the Y-axis transmission device comprises a first synchronous belt pulley set and a second synchronous belt pulley set which are arranged on two sides of the machine head module in parallel and respectively connected with the first supporting arm and the second supporting arm, a transmission rod arranged at the rear end of the machine head module and connected with the first synchronous belt pulley set and the second synchronous belt pulley set, and a third gear which is sleeved and installed on the transmission rod and meshed with the output gear in the first motor.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the pressing frame module is arranged into the two large pressing frames and the small pressing frames which can be lifted independently, the large pressing frames are matched with the lower supporting plates to press the cylinder materials during operation, and the small pressing frames are matched with the lower supporting plates to press the patch materials, so that the patch materials are always stably attached to the cylinder materials and prevented from loosening in the sewing process of driving the cylinder materials and the patch materials to move by the pressing frame module. Secondly, adopt big frame and little frame that presses to compress tightly section of thick bamboo material and paster material respectively, when needs adjustment section of thick bamboo material or paster material, also only need loosen alone the material that needs to adjust can, not only make things convenient for workman's operation, raise the efficiency, and after adjusting like this, sewing error is little, and the defective percentage is low, shortens delivery cycle.

2. According to the utility model, the side stay bar module is arranged on one side of the frame, when large-size cylinder materials are sewn, the cylinder materials are sleeved on the support rods, the support rods are pushed to move outwards through the first driving device to prop up the cylinder materials, the cylinder materials are prevented from being dragged to the ground, meanwhile, the large-pressure frame is convenient to compress the cylinder materials, and the machine head module is used for sewing.

Description of the drawings:

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

FIG. 2 is a block diagram of the present utility model;

FIG. 3 is a first transmission assembly block diagram of the medium voltage frame module of the present utility model;

FIG. 4 is a second transmission assembly structure of the middle-voltage frame module of the present utility model;

FIG. 5 is a perspective view of a first structure of the press frame module of the present utility model;

FIG. 6 is a perspective view of a second structure of the middle-voltage frame module of the present utility model;

FIG. 7 is a second perspective view of a second structure of the press frame module of the present utility model;

the specific embodiment is as follows:

the utility model will be further described with reference to specific examples and figures.

Referring to fig. 1 to 7, there is shown a large-sized cylindrical sewing electro-pattern machine, comprising: the machine comprises a frame 1, a machine head module 2 which is arranged on the frame 1 and used for sewing, a large needle plate 3 which is arranged at the front end of the machine head module 2 and used for sleeving a cylinder, a pressing frame module 4 which is movably arranged on the large needle plate 3 and used for pressing and positioning the cylinder, an X-axis driving module 5 which is arranged on the frame 1 and used for driving the pressing frame module 4 to move along an X-axis, and a Y-axis driving module 6 which is arranged on the frame 1 and used for driving the pressing frame module 4 to move along a Y-axis, wherein the pressing frame module 4 comprises a lower supporting plate 41 which is movably arranged above the large needle plate 3, a large pressing frame 42 which is arranged above the lower supporting plate 41 and used for clamping the cylinder, and a small pressing frame 43 which is arranged beside the large pressing frame 42 and used for pressing a patch material in an independent lifting manner. Through setting up the frame module 4 into two big press frames 42 and little press frame 43 that can independently go up and down, the during operation compresses tightly a section of thick bamboo material by big press frame 42 cooperation bottom plate 41, compresses tightly the paster material by little press frame 43 cooperation bottom plate 41 again to guarantee to drive section of thick bamboo material and paster material at the frame module 4 and remove and carry out the sewing in-process, the paster material remains throughout and laminates with a section of thick bamboo material stability, prevents that the paster material pine takes off. Secondly, adopt big frame 42 and little frame 43 that press tightly a section of thick bamboo material and paster material respectively, when needs adjustment section of thick bamboo material or paster material also only need loosen alone the material that needs to adjust can, not only make things convenient for workman's operation, raise the efficiency, and after adjusting like this, sewing error is little, and the defective percentage is low, shortens delivery cycle.

The frame pressing module 4 further comprises a supporting movable plate 44 for supporting the lower support plate 41, the large pressing frame 42 and the small pressing frame 43, a first air cylinder 45 installed on the supporting movable plate 44 and used for pushing the large pressing frame 42 to move up and down, and a second air cylinder 46 installed on the supporting movable plate 44 and used for pushing the small pressing frame 43 to move up and down.

The large pressure frame 42 comprises an L-shaped pressure plate 421 arranged on one side above the lower support plate 41, two first Z-axis slide rail modules 422 vertically arranged on the support movable plate 44, and a first cantilever frame 423 mounted on the first Z-axis slide rail modules 422 and used for supporting the L-shaped pressure plate 421, wherein the first cantilever frame 423 is connected with the first cylinder 45.

In the first structure of the frame pressing module 4, a first connection block 424 capable of being quickly assembled and disassembled is disposed between the L-shaped pressing plate 421 and the first cantilever mount 423. Through adopting but quick assembly disassembly's first connecting block 424 connect L type clamp plate 421 and first cantilever frame 423 for when sewing not unidimensional section of thick bamboo material, can match through quick replacement L type clamp plate 421, improve dismouting efficiency.

In the second structure of the frame pressing module 4, a first reinforcing rib 425 is disposed between the L-shaped pressing plate 421 and the first cantilever mount 423, the first reinforcing rib 425 is located at one side of the L-shaped pressing plate 421, a second reinforcing rib 426 vertically abutted with the first reinforcing rib 425 is disposed at the other side of the L-shaped pressing plate 421, and the second reinforcing rib 426 is connected with the first reinforcing rib 425 through a first screw; the middle part of the first reinforcing rib 425 is hinged to the first cantilever mount 423 through a second screw, and a plurality of strip-shaped mounting holes 425A for adjusting the horizontal inclination angle of the L-shaped pressing plate 421 are formed in one side of the first reinforcing rib 425. The strip-shaped mounting holes 425A are vertically distributed and longitudinally spaced apart, and are fixedly connected with the first cantilever mount 423 by third screws passing through. The first screw passes through the first reinforcing rib 425 and then directly abuts against the second reinforcing rib 426, so that a downward supporting force is generated, and the situation that the L-shaped pressing plate 421 is tilted upwards due to too long extension of a corner or the upward and downward pressing pressure is insufficient is avoided, the screw acts to abut against the second reinforcing rib 426 to enable the second reinforcing rib to be pressed downwards, and the downward pressing force is enhanced because the second reinforcing rib is pressed downwards at 90 degrees. The second screw penetrates through the middle of the first reinforcing rib 425 to be hinged with the end of the first cantilever frame 423, a plurality of strip-shaped mounting holes 425A are formed in one side of the first reinforcing rib 425, and when the pressing frame module 4 presses the barrel material, the horizontal inclination angle of the L-shaped pressing plate 421 can be adjusted to be more attached to the barrel material, so that the barrel material can be better clamped.

The small pressing frame 43 includes a pressing bar 431 disposed behind the L-shaped pressing plate 421 and corresponding to the pressing bar, a second Z-axis sliding rail module 432 vertically disposed on the supporting movable plate 44, and a second cantilever mount 433 mounted on the second Z-axis sliding rail module 432 and used for supporting the pressing bar 431, where the second cantilever mount 433 is connected with the second cylinder 46.

The side of the frame 1 is further provided with a side stay bar module 7 which can extend outwards and is used for supporting large-size cylinder materials, and the side stay bar module 7 comprises a first guide bar 71 arranged on one side of the frame 1 and used for supporting and guiding, a first sliding seat 72 arranged on the first guide bar 71 in a sliding sleeve mode, a supporting rod 73 arranged on the first sliding seat 72 and extending to one side of the large needle plate 3, and a first driving device 74 arranged on the frame 1 and used for pushing the first sliding seat 72 to slide back and forth along the first guide bar 71. The first driving device 74 is a cylinder. The side of the frame 1 is obliquely provided with an inclined beam 11 for supporting the end of the first guide bar 71.

The side stay bar module 7 is arranged on one side of the frame 1, when large-size cylinder materials are sewn, the cylinder materials are sleeved on the supporting rods 73, the first driving device 74 pushes the supporting rods 73 to move outwards to prop up the cylinder materials, the cylinder materials are prevented from being dragged to the ground, meanwhile, the large pressing frame 42 is convenient to press the cylinder materials, and the machine head module 2 is used for sewing.

The Y-axis driving module 6 includes a first Y-axis sliding rail assembly 61 and a second Y-axis sliding rail assembly 62 disposed on two sides of the machine head module 2 in parallel, a Y-axis moving frame 63 mounted on the first Y-axis sliding rail assembly 61 and the second Y-axis sliding rail assembly 62 and used for supporting the supporting movable plate 44, a first motor 64 used for driving the Y-axis moving frame 63 to move along the first Y-axis sliding rail assembly 61 and the second Y-axis sliding rail assembly 62, and a Y-axis transmission device 65 connected with the first motor 64 and the Y-axis moving frame 63, wherein the Y-axis moving frame 63 is in a concave shape and is sleeved on the machine head module 2.

The Y-axis moving frame 63 includes a first support arm 631 slidably mounted on the first Y-axis sliding rail assembly 61, a second support arm 632 slidably mounted on the second Y-axis sliding rail assembly 62, a support beam 633 mounted on the ends of the first support arm 631 and the second support arm 632 and transversely disposed at the front end of the handpiece module 2, a left reinforcing plate 634 disposed between the first support arm 631 and the support beam 633, and a right reinforcing plate 635 disposed between the second support arm 632 and the support beam 633, wherein the left reinforcing plate 634 and the right reinforcing plate 635 are right trapezoid.

The X-axis driving module 5 includes an X-axis sliding rail assembly 51 disposed between the supporting beam 633 and the supporting movable plate 44, a rack 52 mounted on the supporting movable plate 44 and parallel to the X-axis sliding rail assembly 51, a spline shaft 53 slidably disposed on one side of the head module 2 along a Y-axis, a first gear mounted on one end of the spline shaft 53 and engaged with the rack 52, a second motor 54 disposed on one side of the head module 2 and used for driving the spline shaft 53 to rotate, and a second gear 55 sleeved on the spline shaft 53 and engaged with an output gear of the second motor 54, wherein a spline groove is disposed in a shaft hole of the second gear 55, and the spline shaft 53 is slidable relative to the second gear 55.

The front end of the machine head module 2 is suspended with a third Y-axis sliding rail assembly for mounting and supporting the supporting beam 633, and the Y-axis transmission device 65 comprises a first synchronous belt pulley set 651 and a second synchronous belt pulley set 652 which are arranged on two sides of the machine head module 2 in parallel and respectively connected with the first supporting arm 631 and the second supporting arm 632, a transmission rod 653 which is arranged at the rear end of the machine head module 2 and connected with the first synchronous belt pulley set 651 and the second synchronous belt pulley set 652, and a third gear 654 which is sleeved on the transmission rod 653 and meshed with an output gear in the first motor 64.

In summary, when the present utility model is operated, the cylinder is sleeved on the large needle plate 3, and the supporting rod 73 is inserted into one side of the cylinder; further, the first driving device 74 pushes the supporting rod 73 to move outwards to prop up the cylinder, and after the position of the cylinder is adjusted, the large pressing frame 42 tightly clamps the region to be sewn of the cylinder; further, placing the patch material in a sewing area of a barrel material belt, and after the position is adjusted, clamping and fixing the patch material by a small pressing frame 43; further, the X-axis driving module 5 and the Y-axis driving module 6 cooperate with the driving press frame module 4 to move to the lower part of the sewing needle of the machine head module 2 for sewing processing.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims

1. An electronic pattern machine for sewing large-sized cylinder, characterized by comprising: the automatic sewing machine comprises a frame (1), a machine head module (2) which is arranged on the frame (1) and used for sewing, a large needle plate (3) which is arranged at the front end of the machine head module (2) and used for sleeving a cylinder, a pressing frame module (4) which is movably arranged on the large needle plate (3) and used for pressing and positioning the cylinder, an X-axis driving module (5) which is arranged on the frame (1) and used for driving the pressing frame module (4) to move along an X-axis, and a Y-axis driving module (6) which is arranged on the frame (1) and used for driving the pressing frame module (4) to move along a Y-axis, wherein the pressing frame module (4) comprises a lower supporting plate (41) which is movably arranged above the large needle plate (3), a large pressing frame (42) which is arranged above the lower supporting plate (41) and used for clamping the cylinder, and a small pressing frame (43) which is arranged beside the large pressing frame (42) and used for pressing the material in an independent lifting mode.

2. The large-scale cylindrical sewing machine according to claim 1, wherein: the frame pressing module (4) further comprises a supporting movable plate (44) for supporting the lower supporting plate (41), the large pressing frame (42) and the small pressing frame (43), a first air cylinder (45) which is arranged on the supporting movable plate (44) and used for pushing the large pressing frame (42) to move up and down, and a second air cylinder (46) which is arranged on the supporting movable plate (44) and used for pushing the small pressing frame (43) to move up and down.

3. The large-scale cylindrical sewing machine according to claim 2, wherein: the large pressure frame (42) comprises an L-shaped pressure plate (421) arranged on one side above the lower support plate (41), two first Z-axis sliding rail modules (422) vertically arranged on the support movable plate (44) and a first cantilever frame (423) which is arranged on the first Z-axis sliding rail modules (422) in a cantilever mode and used for supporting the L-shaped pressure plate (421), wherein the first cantilever frame (423) is connected with the first air cylinder (45).

4. The large-scale cylindrical sewing machine according to claim 3, wherein: a first reinforcing rib (425) is arranged between the L-shaped pressing plate (421) and the first cantilever frame (423) and connected, the first reinforcing rib (425) is positioned at one side edge of the L-shaped pressing plate (421), a second reinforcing rib (426) vertically butted with the first reinforcing rib (425) is arranged at the other side edge of the L-shaped pressing plate (421), and the second reinforcing rib (426) is connected with the first reinforcing rib (425) through a first screw; the middle part of first strengthening rib (425) with first cantilever mount (423) is articulated through the second screw, just one side of first strengthening rib (425) is provided with a plurality of bar mounting holes (425A) that are used for adjusting L type clamp plate (421) horizontal inclination.

5. The large-scale tubular sewing machine of claim 4, wherein: the small pressing frame (43) comprises a pressing bar (431) arranged behind the L-shaped pressing plate (421) and corresponding to the pressing bar, a second Z-axis sliding rail module (432) vertically arranged on the supporting movable plate (44) and a second cantilever support (433) arranged on the second Z-axis sliding rail module (432) and used for supporting the pressing bar (431), and the second cantilever support (433) is connected with the second air cylinder (46).

6. The large-scale cylindrical sewing machine according to claim 2, wherein: one side of the frame (1) is also provided with a side stay bar module (7) which can extend outwards and is used for supporting large-size cylinder materials; the side stay bar module (7) comprises a first guide bar (71) arranged on one side of the frame (1) and used for supporting and guiding, a first sliding seat (72) arranged on the first guide bar (71) in a sliding sleeve mode, a supporting rod (73) arranged on the first sliding seat (72) and extending to one side of the large needle plate (3), and a first driving device (74) arranged on the frame (1) and used for pushing the first sliding seat (72) to slide back and forth along the first guide bar (71).

7. The large-scale tubular sewing machine according to any one of claims 2-6, wherein: the Y-axis driving module (6) comprises a first Y-axis sliding rail assembly (61) and a second Y-axis sliding rail assembly (62) which are arranged on two sides of the machine head module (2) in parallel, a Y-axis moving frame (63) which is arranged on the first Y-axis sliding rail assembly (61) and the second Y-axis sliding rail assembly (62) and used for supporting the movable plate (44), a first motor (64) used for driving the Y-axis moving frame (63) to move along the first Y-axis sliding rail assembly (61) and the second Y-axis sliding rail assembly (62), and a Y-axis transmission device (65) which is connected with the first motor (64) and the Y-axis moving frame (63), wherein the Y-axis moving frame (63) is in a concave shape and is sleeved on the machine head module (2).

8. The large-scale cylindrical sewing machine according to claim 7, wherein: the Y-axis movable frame (63) comprises a first support arm (631) slidably mounted on the first Y-axis sliding rail assembly (61), a second support arm (632) slidably mounted on the second Y-axis sliding rail assembly (62), a support beam (633) mounted on the end of the first support arm (631) and the end of the second support arm (632) and transversely arranged at the front end of the machine head module (2), a left reinforcing plate (634) arranged between the first support arm (631) and the support beam (633) and a right reinforcing plate (635) arranged between the second support arm (632) and the support beam (633), wherein the left reinforcing plate (634) and the right reinforcing plate (635) are right trapezoid.

9. The large-scale cylindrical sewing machine according to claim 8, wherein: the X-axis driving module (5) comprises an X-axis sliding rail assembly (51) arranged between the supporting cross beam (633) and the supporting movable plate (44), a rack (52) arranged on the supporting movable plate (44) and parallel to the X-axis sliding rail assembly (51), a spline shaft (53) arranged on one side of the machine head module (2) in a manner of sliding along a Y-axis, a first gear arranged on one end of the spline shaft (53) and meshed with the rack (52), a second motor (54) arranged on one side of the machine head module (2) and used for driving the spline shaft (53) to rotate, and a second gear (55) sleeved on the spline shaft (53) and meshed with an output gear in the second motor (54), wherein the second gear (55) is internally provided with a spline groove, and the spline shaft (53) can slide relative to the second gear (55).

10. The large-scale cylindrical sewing machine according to claim 8, wherein:

the front end of the machine head module (2) is hung and provided with a third Y-axis sliding rail assembly for installing and supporting the supporting beam (633), the Y-axis transmission device (65) comprises a first synchronous belt wheel set (651) and a second synchronous belt wheel set (652) which are arranged on two sides of the machine head module (2) in parallel and are respectively connected with the first supporting arm (631) and the second supporting arm (632), a transmission rod (653) which is arranged at the rear end of the machine head module (2) and is connected with the first synchronous belt wheel set (651) and the second synchronous belt wheel set (652), and a third gear (654) which is installed on the transmission rod (653) in a sleeved mode and is meshed with an output gear in the first motor (64).