CN109972301B

CN109972301B - Sewing machine

Info

Publication number: CN109972301B
Application number: CN201711452352.0A
Authority: CN
Inventors: 阮积祥; 李广伟; 舒勤业
Original assignee: Jack Technology Co Ltd
Current assignee: Jack Technology Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2022-03-25
Anticipated expiration: 2037-12-28
Also published as: CN109972301A

Abstract

The utility model provides a sewing template of a sewing machine and a feeding device thereof, wherein the sewing template comprises a substrate, a sewing window for accommodating a trademark, a pressing plate arranged in the sewing window and a driving assembly for driving the pressing plate to enter the sewing window or exit the sewing window, the bottom surface of the pressing plate is flush with the bottom surface of the substrate, and when the pressing plate extends into the sewing window, sewing gaps are formed between the front end and both sides of the pressing plate and the substrate. The utility model can automatically transfer the positioned trademark and the collar cut pieces, and assist the sewing machine head to realize the positioning and sewing of the trademark.

Description

Sewing machine

Technical Field

The utility model relates to an automatic sewing device, in particular to a sewing machine.

Background

All be equipped with different trademarks on the collar as required, some make a trade mark, some make two trademarks from top to bottom, and two not of uniform size, but at present when making the trade mark, need the manual work to fix a position trade mark and collar cut-parts, then the rethread sewing machine is made up. However, in this way, the sewed trademarks have inconsistency and the sewing efficiency is low. Moreover, the existing sewing machine is difficult to realize automatic positioning and automatic sewing of the collar and the trademark, and cannot realize large-batch automatic production.

Therefore, there is a need for a sewing machine that automatically positions a trademark and a cut collar, and performs automatic sewing.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides a sewing template of a sewing machine and a feeding device thereof, which is used for solving the problem that the trademark and the collar cut piece cannot be automatically fed and sewn in the prior art.

In order to achieve the above and other related objects, the present invention provides a sewing machine, comprising a sewing template, the sewing template comprising a substrate, a sewing window for accommodating a trademark, a pressing plate disposed in the sewing window, and a driving assembly for driving the pressing plate to enter or exit the sewing window, wherein the bottom surface of the pressing plate is flush with the bottom surface of the substrate, and when the pressing plate extends into the sewing window, sewing gaps are formed between the front end and both sides of the pressing plate and the substrate, the sewing gaps are used for completing three-side sewing of the trademark, and when the pressing plate moves in a direction of exiting the sewing window, the fourth side of the trademark is exposed, thereby completing the fourth side sewing of the trademark, the sewing machine further comprising a feeding mechanism, the feeding mechanism comprising an adsorption part and a vertically liftable template assembly, the adsorption part being located on a platen of the sewing machine, the template assembly comprising a trademark template, the window that holds the trade mark has on the trade mark template for accomplish the absorption location of trade mark and collar cut-parts, during the material loading, place the collar cut-parts in absorption portion department, the trade mark template falls on the collar cut-parts, and the trade mark is placed in the window of trade mark template, and the sewing template is pressed on the collar cut-parts and the trade mark that have been fixed a position, just the base plate is used for pressing on the collar cut-parts, and the clamp plate is used for pressing on the trade mark.

Preferably, the driving assembly comprises a driving cylinder and a connecting block connected with a piston rod of the driving cylinder, and the pressing plate is connected with the connecting block.

Preferably, a guide plate is clamped between the connecting block and the pressing plate, two opposite guide grooves are formed in the base plate, two sides of the guide plate respectively extend into the guide grooves, and the guide plate moves along the guide grooves.

Preferably, the base plate is provided with a sewing part for sewing two short edges of the trademark, and the sewing part is internally provided with at least one group of two parallel long sewing holes.

The utility model also provides a feeding device of the sewing machine, which comprises a transverse sliding rail, a feeding assembly and an X-direction driving mechanism, wherein the transverse sliding rail spans a feeding area and a sewing area on a table plate of the sewing machine; the feeding assembly comprises a supporting plate arranged on the transverse sliding rail in a sliding manner, a Y-direction feeding mechanism arranged on the supporting plate, a sliding plate arranged on the Y-direction feeding mechanism, a Z-direction lifting mechanism arranged on the sliding plate and a mounting plate arranged on the Z-direction lifting mechanism and used for mounting a sewing template, wherein the sewing template adopts the sewing template of the sewing machine; the supporting plate is connected with the X-direction driving mechanism and slides along a transverse sliding rail under the driving of the X-direction driving mechanism, the Y-direction feeding mechanism drives the sliding plate to drive the Z-direction lifting mechanism to move along the Y direction, and the Z-direction lifting mechanism drives the mounting plate to drive the sewing template to move along the Z direction.

Preferably, the X-direction driving mechanism comprises an X-direction driving pulley and an X-direction driven pulley which are arranged at intervals along a transverse sliding rail, an X-direction synchronous belt for connecting the X-direction driving pulley and the X-direction driven pulley, and an X-direction power element connected with the X-direction driving pulley, and the supporting plate is connected with the X-direction synchronous belt.

Preferably, the bedplate is provided with a guide groove extending along the X direction, and the opening position of the guide groove and the arrangement position of the X-direction driving belt pulley are positioned on the same X-direction horizontal line; the X-direction driven pulley is arranged on an X-direction driven pulley seat, a guide bulge is arranged at the bottom of the X-direction driven pulley seat, the X-direction driven pulley seat is placed above the guide groove, and the guide bulge is slidably inserted into the guide groove; and a tensioning mechanism is arranged on one side of the guide groove, which is far away from the X-direction driving pulley, on the bedplate, and the tensioning mechanism is connected with the X-direction driven pulley seat and tensions the X-direction synchronous belt.

Preferably, a position block is arranged on the first supporting plate, a position sensor capable of sensing the position block and a safety switch capable of stopping the operation of the X-direction driving mechanism are arranged at the limit position of the position block moving along the X-direction along with the first supporting plate on the bedplate, and the position sensor and the safety switch are connected with a master controller.

Preferably, the Y-direction feeding mechanism includes a Y-direction slide seat disposed on the supporting plate along the Y-direction, a Y-direction rail slidably disposed on the Y-direction slide seat along the Y-direction, and a Y-direction driving assembly for driving the sliding plate to move along the Y-direction, and the sliding plate is connected to the Y-direction rail.

Preferably, the Z-direction lifting mechanism includes a Z-direction guide rail disposed on one end of the sliding plate close to the platen along the Z-direction, a Z-direction slider slidably disposed on the Z-direction guide rail, and a Z-direction driving assembly for driving the mounting plate to move along the Z-direction, and the mounting plate is connected to the Z-direction slider.

As mentioned above, the sewing template of the sewing machine and the feeding device thereof have the following beneficial effects: the positioned trademark and the collar cut pieces can be transferred to the sewing machine head together, and the automatic sewing of the trademark is completed by matching the feeding device with the sewing machine head.

Drawings

FIG. 1 is a perspective view of a sewing machine according to the present invention.

Fig. 2 is a plan view of the sewing machine of the present invention.

FIG. 3 is a schematic view of the loading zone of the present invention.

Fig. 4 is a schematic view of the feeding mechanism of the present invention.

FIG. 5 is a schematic view of a trademark template of the present invention.

FIG. 6 is a perspective view of a sewing template of the present invention.

FIG. 7 is a top view of the sewing template of the present invention.

Fig. 8 shows a cross-sectional view along line AA in fig. 7.

Fig. 9 shows a schematic view of the feeding device of the present invention.

Fig. 10 is an enlarged view of a portion a of fig. 9.

Fig. 11 is an enlarged view of fig. 9 at B.

Fig. 12 is an enlarged view of fig. 9 at C.

Fig. 13 is a schematic structural view of fig. 9 with the X-direction power element, the sliding plate, the Z-direction elevating mechanism and the mounting plate removed.

Fig. 14 is an enlarged schematic view of a portion D in fig. 13.

Fig. 15 is a schematic view of the feeding device of the present invention viewed from another angle.

Fig. 16 is an enlarged schematic view of a portion E in fig. 15.

FIG. 17 is a schematic view of a receiving mechanism in the sewing machine of the present invention.

Fig. 18 is a schematic perspective view of the receiving mechanism, the platen, and the receiving portion of the present invention.

Fig. 19 is a schematic perspective view of the receiving mechanism and the receiving portion of the present invention.

Fig. 20 is a perspective view of the connecting rod of the present invention connected to a drive shaft.

Fig. 21 is a schematic perspective view of the adsorption element of the present invention.

Description of the element reference numerals

1 frame 2 feed mechanism

21 trademark template 211 big window

212 small window 22 connecting seat

23 guide rod 24 driving cylinder

25 suction piece 26 aspirator

3 the feeding device 32 supports a plate

33Y-direction feeding mechanism 34 sliding plate

35Z-direction lifting mechanism 36 mounting plate

311 transverse slide rail 312X-direction slide block

313X to the driving pulley 314X to the driven pulley

315X-direction synchronous belt 316X-direction power element

317X guide projection to the driven pulley seat 318

321 connecting plate 322 position block

331Y-direction slide 332Y-direction rail

333Y-direction driving pulley 334Y-direction driven pulley

335Y-direction synchronous belt 336Y-direction power element

351Z-direction guide rail 352Z-direction sliding block

353 expansion piece 5 sewing machine head

4 platen 401 Loading level

402 sewing position 404 guide groove

405 material distribution discharge position 406 material distribution accumulation position

61 connecting rod

62 transmission part 63 adsorption equipment

64 guide rail 66 cylinder

68 pneumatic solenoid valve 611 long waist hole

621 drive shaft 622 drive body

623 two plate 624 position adjustment hole set

631 negative pressure adsorption member 632 adsorption element

633 middle suction piece 634 negative pressure pipe

635 air supply pipe 661 piston rod

601 bearing 602 side fixing plate

603 cylinder mounting plate 604 connecting piece

71 base plate 710 sewing window

72 pressing plate 73 sewing part

74 drive cylinder 75 connecting block

76 guide plate 730 slotted hole

801 support 802 fastening bolt

803 nut 901 position sensor

902 safety switch

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 21. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in figures 1 and 2, the utility model provides a sewing machine, which comprises a frame 1 and a bedplate 4 arranged on the frame 1, wherein the bedplate 4 is provided with a feeding area, a sewing area and a material receiving area,

a feeding mechanism 2 is arranged in the feeding area, as shown in fig. 3, the feeding mechanism 2 comprises an adsorption part with air suction openings on a platen 4, an air suction assembly which is arranged below the platen 4 and communicated with all the air suction openings, and a template assembly which is arranged on one side of the platen and can be vertically lifted, the template assembly comprises a lifting piece and a trademark template 21 connected with the lifting piece, and a window for accommodating a trademark is arranged on the trademark template 21;

the sewing area is provided with a sewing machine head 5;

the feeding device 3 is arranged between the feeding area and the sewing area and comprises a transverse slide rail 311 arranged between the feeding area and the sewing area in a spanning mode, a feeding component arranged on the transverse slide rail 311 in a sliding mode and an X-direction driving mechanism for driving the feeding component to move along the transverse slide rail 311; and a controller respectively connected with the sewing machine head 5, the suction assembly and the X-direction driving mechanism.

The sewing machine of the utility model is provided with a feeding area for automatically positioning the trademark and the collar cut piece, and a feeding device for transferring the positioned trademark and the collar cut piece to the sewing area, wherein the sewing machine head finishes the automatic sewing of the trademark in the sewing area.

Referring to fig. 3 to 5, a specific embodiment of the loading mechanism in the loading zone:

the suction assembly comprises a suction machine 26, a suction pipe connected with the suction machine 26, and an adsorption piece 25, wherein the adsorption piece 25 is provided with an air suction opening connected with the suction pipe, the adsorption piece 25 is provided with an adsorption plate with the air suction opening, and the adsorption plate is embedded on the bedplate 4 to form the adsorption part.

In order to facilitate the lifting of the template assembly, in this embodiment, the lifting member is a driving cylinder 24, and the trademark template 21 is lifted under the driving of the driving cylinder 24. The lifting piece can also be a hydraulic oil cylinder or other lifting mechanisms which can vertically extend and retract. In addition, in order to realize the linear lifting of the trademark template 21, a vertical guide rod 23 is arranged on one side of the bedplate 4, the trademark template 21 performs lifting movement along the guide rod 23, in addition, a connecting seat 22 is fixedly arranged at the top of a piston rod of a driving cylinder 24, and the trademark template 21 is detachably connected with the connecting seat 22. The trademark template 21 and the connecting seat 22 are fixedly connected through bolts in the embodiment. The connecting base 22 is slidably connected to the guide rod 23 through a slider to ensure the linear lifting movement of the connecting base 22 and the trademark template 21.

In order to meet the requirements of sewing various trademarks, the trademark template in the embodiment has two forms, one is provided with a window for placing the trademark, the other is provided with at least two windows with different sizes which are arranged side by side, as shown in fig. 5, the trademark template is provided with a large window 211 for placing a large trademark and a small window 212 for placing a small trademark, and the requirement that two trademarks with different sizes are sequentially sewn on the collar is met.

In order to better position the collar cut piece, the table plate 4 at the absorption part of the embodiment is provided with reference pieces (not shown) for assisting in positioning the collar cut piece, wherein the reference pieces are respectively corresponding to the left side and the right side of the collar neckline.

When the feeding mechanism 2 of the embodiment is used for feeding, firstly, the trademark template 21 is lifted to the highest position, then the collar cut piece is placed above the air suction opening, namely, the collar cut piece is placed at the adsorption part, so that trademarks are placed for subsequent purposes, the left side and the right side of the collar cut piece collar are respectively aligned with the reference parts, the air suction machine 26 is started to suck air, the collar cut piece is adsorbed and positioned, the driving air cylinder 24 is started to enable the trademark template 21 to fall until the trademark template 21 falls on the collar cut piece, at the moment, trademarks needing to be sewn are placed in windows of the trademark template, the trademark is adsorbed instantly, the driving air cylinder 24 is started to lift the trademark template 21, and the adsorption and positioning of the trademarks and the collar cut pieces are completed.

Fig. 9 to 16 show a specific embodiment of the feeding device: the terms "X-direction", "Y-direction" and "Z-direction" herein refer to the directions in which the feeding device of the present invention is placed as usual, as shown in fig. 9.

As shown in fig. 9, the feeding assembly of this embodiment includes a first supporting plate 32 slidably disposed on a transverse slide rail 311, a Y-direction feeding mechanism 33 disposed on the first supporting plate 32, a sliding plate 34 disposed on the Y-direction feeding mechanism 33, a Z-direction lifting mechanism 35 disposed on the sliding plate 34, and a mounting plate 36. Wherein, the mounting plate 36 is arranged on the Z-direction lifting mechanism 35, the mounting plate 36 is used for mounting a sewing template (not shown in the figure), and the sewing template is positioned above the bedplate 4 and is used for driving the collar cutting piece to move on the bedplate 4. In this embodiment, the X-direction driving mechanism drives the supporting plate 32 to move along the transverse sliding rail 311, and the movement of the supporting plate 32 drives the Y-direction feeding mechanism 33 disposed on the supporting plate 32 to move along the X-direction, so as to drive the sliding plate 34 disposed on the Y-direction feeding mechanism 33, the Z-direction lifting mechanism 35 disposed on the sliding plate 34, the mounting plate 36 disposed on the Z-direction lifting mechanism 35, and the sewing template mounted on the mounting plate 36 to move integrally along the X-direction, so that the sewing template can drive the collar cut pieces to move along the X-direction on the platen 4. The Y-direction feeding mechanism 33 drives the sliding plate 34 to move along the Y direction, the movement of the sliding plate 34 drives the Z-direction lifting mechanism 35 arranged on the sliding plate 34 to move along the Y direction together with the sliding plate, so that the mounting plate 36 arranged on the Z-direction lifting mechanism 35 and the sewing template arranged on the mounting plate 36 are driven to integrally move along the Y direction together with the sliding plate, and the sewing template can drive the collar cut pieces to move along the Y direction on the table plate 4. The Z-direction lifting mechanism 35 drives the mounting plate 36 to move along the Z direction, and the movement of the mounting plate 36 drives the sewing template arranged on the mounting plate 36 to move along the Z direction together with the mounting plate, so that the sewing template can press the collar cut piece on the table plate 4 or leave the table plate 4 and separate from the collar cut piece.

For realizing transfering of above-mentioned trade mark and collar cut-parts better, above-mentioned sewing template is the trade mark template of making up, specifically is:

as shown in fig. 6 to 8, the trademark sewing template comprises a base plate 71, a sewing window 710 for accommodating a trademark is formed on the base plate 71, a pressing plate 72 disposed in the sewing window 710, and a driving assembly for driving the pressing plate 72 to enter the sewing window 710 or exit the sewing window, wherein the bottom surface of the pressing plate 72 is flush with the bottom surface of the base plate 71, and when the pressing plate 72 extends into the sewing window 710, sewing gaps are formed between the front end, the left side and the right side of the pressing plate 72 and the base plate 71. When the trademark sewing template moves to the feeding position 401 of the feeding area along with the feeding device 3, as shown in fig. 9, the driving assembly drives the pressing plate 72 to extend into the sewing window 710, the sewing template falls under the driving of the Z-direction lifting mechanism 35 and falls onto the collar cut piece and the trademark which are positioned at the feeding position 401, at the moment, the base plate 71 presses on the collar cut piece, the pressing plate 72 presses on the trademark, and the pressing plate 72 and the base plate 71 cooperate to press and hold the trademark and the collar cut piece, so that the trademark is prevented from being misplaced in moving. Stopping sucking the air suction component in the feeding mechanism 2, releasing the collar cut-parts and the trademarks, enabling the feeding device 3 to act, driving the trademark sewing template to move to the sewing position 402 along the transverse sliding rail 311 by the X-direction driving mechanism, and enabling the sewing machine head 5 to act to sew. When sewing, the needle on the sewing machine head 5 moves up and down, the X-direction driving mechanism in the feeding device 3 moves to drive the trademark sewing template to move along the X direction, the needle moves in the sewing gap, when the needle moves to the left side edge of the sewing window 710, the X-direction driving mechanism stops, the Y-direction feeding mechanism 33 moves to drive the trademark sewing template to move to the end part along the Y direction, the Y-direction feeding mechanism 33 stops, the X-direction driving mechanism moves to drive the trademark sewing template to move reversely along the X direction, when the needle moves to the right side edge of the sewing window, the three-edge sewing of the trademark is completed, at the moment, the controller controls the driving assembly to move, the pressing plate 72 moves rightwards along the X direction, the fourth edge of the trademark is exposed, and the sewing machine head 5 completes the sewing of the fourth edge.

The driving assembly includes a driving cylinder 74 and a connecting block 75 connected to a piston rod of the driving cylinder 74, and the pressing plate 72 is connected to the connecting block 75. In order to ensure the linear movement of the pressing plate 72, as shown in fig. 8, in the present embodiment, a guide plate 76 is interposed between the connecting block 75 and the pressing plate 72, two opposite guide grooves are provided on the base plate 71 corresponding to each sewing window, the side edges of the guide plate 76 respectively extend into the guide grooves, and the guide plate 76 moves along the guide grooves under the driving of the driving cylinder 74, so as to prevent the pressing plate 72 from shifting left and right during the movement, and ensure the linear movement of the pressing plate 72.

In order to adapt to simultaneous sewing of multiple trademarks, the substrate of the present embodiment is provided with multiple sewing windows 710, each sewing window 710 corresponds to one pressing plate 72 and a driving assembly for driving the pressing plate 72 to move back and forth, as shown in fig. 6 and 7, the present embodiment is provided with two sewing windows 710, and the two sewing windows have different sizes and correspond to trademarks with different sewing sizes.

In order to facilitate the connecting block 75 to drive the pressing plate 72 to move linearly, and ensure that the bottom surface of the pressing plate 72 is parallel to the bottom surface of the substrate, the substrate of this embodiment has a sinking groove, the sewing window 710 is embedded in the bottom surface of the sinking groove, and the connecting block 75 moves in the sinking groove.

The sewing window 710 is suitable for sewing four edges of a trademark fixedly, and adapts to various sewing requirements for faster sewing, the embodiment is provided with the sewing portion 73 for sewing two short edges of the trademark on the base plate 71, at least one group of two parallel long sewing holes 730 are arranged in the sewing portion, each group of long sewing holes 730 corresponds to two short edges of the trademark, and therefore when the trademark corresponds to the sewing portion 73, the sewing machine head moves along the long sewing holes 730, and sewing of the two short edges of the trademark is achieved.

In this embodiment, the feeding area is disposed at one end of the table 4 along the X direction, the other end of the table along the X direction is the sewing area, and the transverse slide rail 311 spans between the feeding area and the sewing area, as shown in fig. 9, the feeding area is provided with a feeding position 401, and the sewing area is provided with a sewing position 402. Preferably, the sewing template in this embodiment is detachably connected to the mounting plate 36, and different sewing templates, which may be the aforementioned trademark sewing templates, can be installed on the mounting plate 36 instead according to the fabric to be sewn. When the sewing machine works, the X-direction driving mechanism drives the sewing template to move to the position above the upper material level 401 along the X direction, and the Z-direction lifting mechanism 35 drives the sewing template to descend along the Z direction, so that the sewing template presses the collar cut pieces at the upper material level 401; then the X-direction driving mechanism drives the sewing template to drive the collar cut piece to move to a sewing position 402 of a sewing area along the X direction, and the Y-direction feeding mechanism 33 drives the sewing template to drive the collar cut piece to move along the Y direction, so that the sewing template is positioned right above the sewing position 402; then the X-direction driving mechanism and the Y-direction feeding mechanism 33 simultaneously drive the sewing template to move on the sewing area so as to move out the sewing stitches; after sewing is finished, the sewing machine head 5 is lifted, the X-direction driving mechanism and the Y-direction feeding mechanism 33 simultaneously drive the sewing template to move to the unloading station, and then the Z-direction lifting mechanism 35 drives the sewing template to lift along the Z direction, so that the sewing template is separated from the table plate 4 and separated from the collar cut pieces, and unloading is facilitated. The operation of the X-direction driving mechanism, the Y-direction feeding mechanism 33 and the Z-direction lifting mechanism 35 is automatically controlled by the controller according to a preset program, so that the automatic sewing of the cloth is completed. Different sewing templates correspond to different preset sewing stitches, corresponding preset programs are compiled according to the different preset sewing stitches and input into the control system, and the control system is used for controlling the operation of the X-direction driving mechanism and the Y-direction feeding mechanism 33, so that the sewing templates drive the collar cut pieces to move on the sewing area according to the preset sewing stitches. Therefore, the feeding device 3 of the embodiment can realize transferring the collar cut-parts and driving the collar cut-parts to move on the bedplate 4 according to the preset sewing stitches, greatly simplifies the overall structural design and the control flow of the sewing machine, and effectively improves the sewing efficiency.

Specifically, referring to fig. 9 to 13, the X-direction feeding mechanism of the present embodiment includes a transverse slide rail 311 disposed on the platen 4 along the X direction, an X-direction slider 312 slidably disposed on the transverse slide rail 311, and an X-direction driving mechanism for driving the supporting plate 32 to move along the X direction, the supporting plate 32 is connected to the X-direction slider 312, the transverse slide rail 311 and the X-direction slider 312 support the supporting plate 32, and when the X-direction driving mechanism drives the supporting plate 32 to move along the X direction, the X-direction slider 312 is driven to slide on the transverse slide rail 311, so as to guide the supporting plate 32 to move along the X direction. Preferably, referring to fig. 10 and 13, in this embodiment, two lateral sliding rails 311 are respectively disposed on two sides of the X-direction driving mechanism, and X-direction sliders 312 connected to the supporting plate 32 are disposed on both lateral sliding rails 311, so that the supporting and guiding effects on the supporting plate 32 can be enhanced, and the stability and reliability of the movement of the supporting plate 32 along the X-direction can be ensured.

Preferably, as shown in fig. 13, the X-direction driving mechanism in the present embodiment includes an X-direction driving pulley 313, an X-direction driven pulley 314, an X-direction timing belt 315, and an X-direction power element 316. The X-direction driving pulley 313 and the X-direction driven pulley 314 are provided on the platen 4 at intervals in the X-direction, the X-direction timing belt 315 connects the X-direction driving pulley 313 and the X-direction driven pulley 314, the X-direction power element 316 is connected to the X-direction driving pulley 313, the X-direction power element 316 drives the X-direction driving pulley 313 to rotate, and the X-direction driven pulley 314 is driven to rotate by the X-direction timing belt 315. The X-direction power element 316 in this embodiment is a motor, and the X-direction driving pulley 313 is mounted on a rotating shaft of the motor. The supporting plate 32 is connected to the X-direction timing belt 315, and the movement of the X-direction timing belt 315 drives the supporting plate 32 to move along the X-direction. In this embodiment, referring to fig. 10, the support plate 32 is connected to the X-direction timing belt 315 via a connection plate 321.

Further, in order to ensure that the X-direction driving pulley 313 and the X-direction driven belt 314 are located on the same X-direction horizontal line, referring to fig. 9 and 11, a guide groove 404 extending along the X-direction is formed in the platen 4, and the forming position of the guide groove 404 and the arrangement position of the X-direction driving pulley 313 are located on the same X-direction horizontal line. The X-direction driven pulley 314 is arranged on an X-direction driven pulley seat 317, a guide bulge 318 is arranged at the bottom of the X-direction driven pulley seat 317, the X-direction driven pulley seat 317 is placed above the guide groove 404, and the guide bulge 318 is slidably inserted into the guide groove 404; a tensioning mechanism is arranged on the side, away from the X-direction driving pulley 313, of the guide groove 404 on the platen 4, and is connected with the X-direction driven pulley base 317 and tensions the X-direction synchronous belt 315. The tensioning mechanism comprises a support 801 and a fastening bolt 802, a bolt hole and a nut 803 are arranged on the support 801, the fastening bolt 802 penetrates through the nut 803 and the bolt hole to be connected with the driven pulley seat 317, when the fastening bolt 802 is screwed down, the guide protrusion 318 can be pulled to slide in the guide groove 404, the driven pulley seat 317 is tensioned, and the tensioning of the X-direction synchronous belt 315 is realized.

Further, in order to control the extreme position of the supporting plate 32 moving along the X direction, in this embodiment, referring to fig. 9 and 12, a position block 322 is provided on the supporting plate 32, a position sensor 901 capable of sensing the position block 322 and a safety switch 902 capable of stopping the operation of the X-direction driving mechanism are provided on the top plate 4 at the extreme position of the position block 322 moving along the X direction along with the supporting plate 32, and both the position sensor 901 and the safety switch 902 are connected to the controller. When the position block 322 moves above the position sensor 901, the position sensor 901 senses the position block 322 and sends a sensing signal to the controller, the controller sends a closing instruction to the safety switch 902 after receiving the sensing signal of the position sensor 901, the safety switch 902 receives and closes corresponding to the closing instruction, and the X-direction driving mechanism stops running, so that the supporting plate 32 is prevented from moving beyond a limit position along the X direction, and the running safety is ensured. The limit position is the limit position which is allowed to be reached when the supporting plate 32 is moved in the direction pointing to the sewing area along the X direction, which is designed according to the size of the actual table 4 and the position of the sewing position 402.

Referring to fig. 9, 13 and 14, the Y-feeding mechanism 33 of the present embodiment includes a Y-slide 331 disposed on the supporting plate 32 along the Y-direction, a Y-guide 332 slidably disposed on the Y-slide 331 along the Y-direction, and a Y-drive component for driving the sliding plate 34 to move along the Y-direction, the sliding plate 34 is connected to the Y-guide 332, the Y-slide 331 and the Y-guide 332 support the sliding plate 34, and when the Y-drive component drives the sliding plate 34 to move along the Y-direction, the Y-guide 332 is driven to slide on the Y-slide 331, so as to guide the movement of the sliding plate 34 along the Y-direction. Preferably, the Y-direction driving assembly of this embodiment is provided with a Y-direction guide 332 connected to the sliding plate 34 and Y-direction sliders 331 respectively coupled to the two Y-direction guides 332, and each Y-direction guide 332 may be provided with one or more Y-direction sliders 331. Therefore, the supporting and guiding functions of the sliding plate 34 can be enhanced, and the stability and reliability of the movement of the sliding plate 34 along the Y direction can be ensured.

Preferably, referring to fig. 14, the Y-direction driving assembly in the present embodiment includes a Y-direction driving pulley 333, a Y-direction driven pulley 334, a Y-direction timing belt 335, and a Y-direction power element 336. The Y-direction driving pulley 333 and the Y-direction driven pulley 334 are provided on the supporting plate 32 at intervals in the Y-direction, the Y-direction timing belt 335 connects the Y-direction driving pulley 333 and the Y-direction driven pulley 334, the Y-direction power element 336 is connected to the Y-direction driving pulley 333, the Y-direction driving pulley 333 is driven by the Y-direction power element 336 to rotate, and the Y-direction driven pulley 334 is driven to rotate by the Y-direction timing belt 335. The Y-direction power element 336 in this embodiment is a motor, and the Y-direction driving pulley 333 is mounted on a rotating shaft of the motor. The slide plate 34 is connected to a Y-direction timing belt 335, and the support plate 32 is moved in the Y direction by the movement of the Y-direction timing belt 335.

Referring to fig. 15 and 16, the Z-direction lifting mechanism 35 of the present embodiment includes a Z-direction guide rail 351 disposed on an end of the sliding plate 34 close to the platen 4 along the Z-direction, a Z-direction slider 352 slidably disposed on the Z-direction guide rail 351, and a Z-direction driving component for driving the mounting plate 36 to move along the Z-direction, wherein the mounting plate 36 is connected to the Z-direction slider 352, the Z-direction guide rail 351 and the Z-direction slider 352 support the mounting plate 36, and when the Z-direction driving component drives the mounting plate 36 to move along the Z-direction, the Z-direction slider 352 is driven to slide on the Z-direction guide rail 351, so as to guide the movement of the mounting plate 36. Preferably, in this embodiment, two Z-direction guide rails 351 are spaced along the X-direction on one end of the sliding plate 34 close to the platen 4, and Z-direction sliders 352 connected to the mounting plate 36 are respectively disposed on the two Z-direction guide rails 351, so that the supporting and guiding functions of the mounting plate 36 can be enhanced, and the stability and reliability of the movement of the mounting plate 36 along the Z-direction can be ensured. Preferably, the Z-direction driving assembly of this embodiment is an expansion member 353, the expansion member 353 is fixedly disposed on the sliding plate 34, and the expansion end thereof is connected to the mounting plate 36, and the expansion and contraction of the expansion end can drive the mounting plate 36 to descend or ascend along the Z-direction. The extension 353 may be a pneumatic or hydraulic cylinder or an electric push rod.

For better collection of the sewn cloth, a material receiving mechanism 6 is arranged in the material receiving area, as shown in fig. 17 to 20, the material receiving mechanism 6 includes:

the connecting rod 61 is movably connected with the rack 1, and the connecting rod 61 can swing relative to the rack 1;

the transmission part 62 is connected with the connecting rod 61, and the connecting rod 61 can drive the transmission part 62 to move between a cloth discharging position 405 and a cloth stacking position 406;

an adsorption device 63 mounted on the transmission member 62;

when the adsorption device 63 moves to the cloth discharging position 405 along with the transmission component 62, the adsorption device 63 adsorbs the collar cut piece at the cloth discharging position 405; when the suction device 63 moves to the cloth stacking position 406 along with the transmission member 62, the suction device 63 releases the sucked cloth to the cloth stacking position 406.

In this embodiment, the connecting rod 61 drives the transmission component 62 to move between the cloth discharging position 405 and the cloth stacking position 406, and the adsorption device 63 on the transmission component 62 adsorbs the cloth at the cloth discharging position 405 and releases the adsorbed cloth at the cloth stacking position 406; in the moving process of the cloth from the cloth discharging position 405 to the cloth stacking position 406, the adsorption device 63 adsorbs the cloth all the time, so that the cloth is stably conveyed to the cloth stacking position 406, which can ensure that the cloth can be released on the same cloth stacking position 406 in sequence, and the cloth is collected neatly.

The direction of a connecting line between the cloth discharging position 405 and the cloth stacking position 406 is a cloth conveying direction; the receiving agencies of sewing machine still includes: a guide rail 64 arranged on the frame 1, wherein the length direction of the guide rail 64 is the same as the cloth conveying direction; the transmission member 62 is mounted on the guide rail 64 and is movable along the length of the guide rail 64. The guide rail 64 has a guiding function for the movement of the transmission member 62, so that the movement direction of the transmission member 62 is kept in the same direction as the cloth conveying direction, and the movement of the transmission member 62 is more stable.

The transmission part 62 is provided with a transmission shaft 621; one end of the connecting rod 61 is hinged to the frame 1, the other end of the connecting rod 61 is provided with a long waist hole 611, and the transmission shaft 621 is sleeved with the long waist hole 611. The driving link 61 rotates around the hinge point hinged to the frame 1, and the long waist hole 611 on the other end of the link 61 moves, so that the link 61 drives the transmission member 62 to move along the guide rail 64 through the transmission shaft 621. The structure is simple, and the transmission is stable.

Receiving agencies of sewing machine still includes: the controller and the driving part which drives the connecting rod 61 to swing, and the controller is connected with the driving part. The controller controls the driving part to drive the connecting rod 61 to swing, so that the connecting rod 61 drives the transmission part 62 to move between the cloth discharging position 405 and the cloth stacking position 406, and the precision of the moving process is ensured.

As shown in fig. 18, the driving member includes a cylinder 66 mounted on the frame 1, and a piston rod 661 of the cylinder 66 is connected to the connecting rod 61; the piston rod 661 moves in the horizontal direction to drive the link 61 to swing. The expansion of a piston rod 661 of the cylinder 66 pushes the connecting rod 61, so that the connecting rod 61 is driven to swing quickly; the controller controls the telescopic position of the piston rod 661 to define the swing amplitude of the link 61.

Receiving agencies of sewing machine still includes: a position monitoring device (not shown) for monitoring the moving position of the piston rod 661 is connected to the controller. The position monitoring device monitors the position to which the piston rod 661 is moved, and the controller receives information on the position to which the piston rod 661 is moved, which is transmitted from the position monitoring device.

In this embodiment, the position monitoring device includes the first sensor and the second sensor installed on the cylinder, and the position that the first sensor sensed the piston rod 661 is: the piston rod 661 is contracted to reach the material distributing position 405 corresponding to the connecting rod 61 pushing the transmission part 62; the second sensor senses the position of the piston rod 661 as: the piston rod 661 is extended to a position corresponding to the link 61 pushing the driving member 62 to the cloth piling position 406.

The adsorption device 63 includes at least two sets of negative pressure adsorption pieces 631 for adsorbing the fabric, the negative pressure adsorption pieces 631 are mounted on the transmission part 62, and all the negative pressure adsorption pieces 631 are connected to the controller.

When the controller receives a signal that the position to which the piston rod 661 moves corresponds to the position in which the connecting rod 61 pushes the transmission part 62 to reach the material distribution position 405, the controller controls the piston rod 661 to stop moving, and controls all the negative pressure adsorption parts 631 to be opened, and the negative pressure adsorption parts 631 adsorb the material; when the controller receives a signal that the position to which the piston rod 661 moves corresponds to the position in which the connecting rod 61 pushes the transmission member 62 to reach the cloth stacking position 406, the controller controls the piston rod 661 to stop moving, and the controller controls all the negative pressure adsorption members 631 to be closed, so that the negative pressure adsorption members 631 release the cloth and the cloth falls on the cloth stacking position 406.

As shown in fig. 19, the transmission component 62 includes a transmission body 622, the transmission body 622 is connected with a second supporting plate 623, and the length direction of the second supporting plate 623 is perpendicular to the cloth conveying direction; two ends of the supporting second plate 623 are respectively provided with a position adjusting hole group 624, each position adjusting hole group 624 comprises a plurality of adjusting through holes sequentially arranged along the length direction of the supporting second plate 623, and each negative pressure adsorption member 631 can be respectively installed on any one adjusting through hole in all the position adjusting hole groups 624.

Since the two sets of position adjusting hole sets 624 are respectively disposed at two ends of the supporting second plate 623, as shown in fig. 19, the two ends of the supporting second plate 623 can be respectively provided with the negative pressure adsorption members 631, and this structure enables the plurality of negative pressure adsorption members 631 to be distributed at different positions of the cloth when adsorbing the cloth, so that the cloth can be adsorbed more stably. Because every negative pressure adsorbs the piece 631 and can install respectively on any one adjusts the through-hole in all position adjustment punch combination 624, make the negative pressure adsorb the piece 631 and install the position that adjusts the through-hole and can adjust according to actual need to satisfy the demand of adsorbing different size cloth, different surface fabric cloth. The central axes of all the adjusting through holes are parallel to each other, so that the installation position of the negative pressure adsorption member 631 is on the same vertical plane, and the cloth is subjected to uniform adsorption force.

The negative pressure adsorption member 631 adsorbs the top surface of the cloth to facilitate rapid adsorption of the cloth. Each set of negative pressure adsorption part 631 includes two adsorption elements 632 respectively disposed on two sides of the supporting two plates 623, as shown in fig. 21, each adsorption element 632 includes a negative pressure pipe 634 and an air supply pipe 635, the negative pressure pipe 634 is a hollow structure with two ends penetrating through, a central axis of the negative pressure pipe 634 is perpendicular to a horizontal plane, a lower portion of the negative pressure pipe 634 is communicated with the air supply pipe 635, a positive pressure air flow is introduced from the air supply pipe 635, and the positive pressure air flow in the air supply pipe 635 is discharged through an upper end of the negative pressure pipe 634, so that a negative pressure is formed at a lower end of the negative pressure pipe 634, and cloth is adsorbed. The adsorption element 632 has a simple structure, and the adsorption force is easy to control. The controller controls the positive pressure air flow in the air supply pipe 635 via the pneumatic solenoid valve 68.

In this embodiment, the two supporting plates 623 are strip-shaped plates, the length direction of the two supporting plates 623 is perpendicular to the length direction of the guide rail 64, and the two adsorption elements 632 of each group of negative pressure adsorption elements 631 are symmetrically arranged with the center line of the two supporting plates 623 in the width direction as the central axis. The two negative pressure suction members 631 are symmetrically disposed with the center line of the support plate 623 in the longitudinal direction as the central axis. This structure enables the suction device 63 to provide a uniform suction force to the cloth.

The adsorption device 63 further includes an intermediate suction member 633, the intermediate suction member 633 is disposed at the middle of the support second plate 623, the structure of the intermediate suction member 633 is the same as that of the adsorption element 632, and the intermediate suction member 633 provides an adsorption force to the middle of the cloth.

The cloth feeding direction is parallel to the horizontal direction, and this structure makes the cloth absorbed by the negative pressure absorbing member 631 move along the horizontal direction, which facilitates the transfer of the cloth, and also makes the absorbing force of each absorbing element 632 keep stable during the movement of the transmission member 62.

As shown in fig. 18, the material distribution position 405 is on the platen 4; a receiving portion 601 is provided on the outer side of the platen 4, the receiving portion 601 is horizontally provided, the horizontal height of the receiving portion 601 is lower than the horizontal height of the platen 4, and the cloth stacking position 406 is located on the receiving portion 601. The level of the receiving part 601 is lower than that of the bedplate 4, so that the cloth can be collected conveniently. The bearing part 601 is arranged on the outer side of the bedplate 4, so that the influence of the accumulation of the cloth on other parts on the bedplate 4 during working is effectively avoided. When the adsorption device 63 moves to the position right above the cloth discharging position 405, the cloth is adsorbed; when the suction device 63 moves to a position directly above the cloth stacking position 406, the cloth is released.

Both the width direction of the receiving portion 601 and the width direction of the cloth are perpendicular to the longitudinal direction of the guide rail 64, and the width of the receiving portion 601 is smaller than the width of the cloth. The structure makes the cloth hang on the receiving part 601 after falling on the receiving part 601, which is convenient for the cloth to be collected neatly.

In the present embodiment, the guide rail 64 is mounted on the platen 4; a side fixing plate 602 is arranged on the side surface of the frame 1, a cylinder body mounting plate 603 is mounted at the lower part of the side fixing plate 602, the air cylinder 66 is mounted on the cylinder body mounting plate 603, the upper end of the connecting rod 61 is hinged with the side fixing plate 602, a long waist hole 611 is arranged at the upper end of the connecting rod 61, and a piston rod 661 of the air cylinder 66 is connected with the lower part of the connecting rod 61. The top of the bay 601 is mounted to the bottom of the deck 4 by a connector 604.

The material receiving device of the embodiment comprises the following steps:

1) sewing a trademark on a collar cut sheet, enabling the sewn cloth to be located at a cloth discharging position 405, driving the transmission part 62 to move to the cloth discharging position 405 through the driving connecting rod 61, and then driving the adsorption device 63 to adsorb the cloth located at the cloth discharging position 405;

2) the connecting rod 61 is driven to drive the transmission part 62 to move to the cloth stacking position 406, and then the adsorption device 63 is driven to release the adsorbed cloth to the cloth stacking position 406.

In this embodiment, the controller controls the moving device, and the moving device moves the cloth to the cloth discharging position 405;

when the controller controls the moving device to move the cloth to the cloth discharging position 405, the controller controls the piston rod 661 on the cylinder 66 to contract, and the connecting rod 61 drives the transmission part 62 to move to the cloth discharging position 405; when the controller 65 receives that the position to which the piston rod 661 moves corresponds to the position that the connecting rod 61 pushes the transmission component 62 to reach the material distribution position 405, the controller controls the piston rod 661 to stop moving, and the controller 65 controls all the negative pressure adsorption pieces 631 to be opened, and the negative pressure adsorption pieces 631 adsorb the material; then, the controller controls the piston rod 661 on the cylinder 66 to extend, and the connecting rod 61 drives the transmission part 62 to move to the cloth stacking position 406; when the controller receives that the position to which the piston rod 661 moves corresponds to that the connecting rod 61 pushes the transmission part 62 to reach the cloth stacking position 406, the controller controls the piston rod 661 to stop moving, and the controller controls all the negative pressure adsorption parts 631 to close, and the negative pressure adsorption parts 631 release the cloth, so that the cloth falls on the cloth stacking position 406.

The sewing machine of the utility model carries out the specific process of sewing the collar trademark, which comprises the following steps:

1) the feeding in the feeding area comprises the following specific processes: the trademark template 21 is positioned at the highest position, then the collar cut piece is placed at the adsorption part of the bedplate 4, the left side and the right side of the collar cut piece neckline are respectively aligned with the reference piece, the air suction machine 26 is started to suck air, the collar cut piece is adsorbed and positioned, the driving air cylinder 24 is started to enable the trademark template 21 to fall until the trademark template 21 falls on the collar cut piece, at the moment, a trademark to be sewn is placed in a window of the trademark template, the trademark is adsorbed instantly, and then the driving air cylinder 24 is started to lift the trademark template 21, so that the adsorption and positioning of the trademark and the collar cut piece are completed;

2) adopt above-mentioned material feeding unit to move material to the sewing district, concrete process is: connecting the trademark sewing template with a mounting plate 36 in the feeding device, starting an X-direction driving mechanism, driving a feeding component and the trademark sewing template to move to a feeding area along a transverse slide rail 311 by the X-direction driving mechanism, driving the trademark sewing template to descend along a Z direction by a Z-direction lifting mechanism 35, enabling the trademark sewing template to press a trademark and a collar cut piece at a feeding position 401, pressing a base plate 71 on the collar cut piece, pressing a pressing plate 72 on the trademark, driving the trademark sewing template to drive the collar cut piece to move to a sewing position 402 of the sewing area along the X direction by the X-direction driving mechanism, driving the collar cut piece to move along the Y direction by a Y-direction driving template by a Y-direction feeding mechanism 33, and enabling the sewing template to be positioned right above the sewing position 402; before the material is moved, the pressure plate 72 in the trademark sewing template is positioned in the sewing window 710, and sewing gaps are reserved between the front end, the left side and the right side of the pressure plate 72 and the base plate 71;

3) the controller controls the sewing machine head, the X-direction driving mechanism and the Y-direction feeding mechanism to cooperate to complete sewing, and the specific process of sewing the four sides of the trademark is as follows: the X-direction driving mechanism moves to drive the trademark sewing template to move along the X direction, the machine needle moves in the sewing gap, when the machine needle moves to the left side edge of the sewing window 710, the X-direction driving mechanism stops, the Y-direction feeding mechanism 33 moves to drive the trademark sewing template to move to the end part along the Y direction, the Y-direction feeding mechanism 33 stops, the X-direction driving mechanism moves and drives the trademark sewing template to move reversely along the X direction, when the machine needle moves to the right side edge of the sewing window, three-edge sewing of a trademark is completed, the controller controls the driving air cylinder 74 to move at the moment, the pressing plate 72 moves rightwards along the X direction, the fourth edge of the trademark is exposed, and the sewing machine head 5 completes sewing of the fourth edge; if only two short edges of the trademark are sewed, the sewing part of the base plate 71 is aligned with the trademark, namely the two long sewing holes 730 correspond to the two short edges of the trademark, and then the needle of the sewing machine head 5 moves in the long sewing holes 730 to finish the sewing of the trademark;

4) adopt above-mentioned receiving agencies 6 to collect the collar cloth that sews up and has the trade mark, the collection process specifically is: in the step 3), the sewn clothes are positioned at a material distribution discharging position 405, the driving connecting rod 61 drives the transmission part 62 to move to the material distribution discharging position 405, and then the adsorption device 63 is driven to adsorb the materials positioned at the material distribution discharging position 405; the driving link 61 drives the transmission member 62 to move to the cloth stacking position 406, and then drives the adsorption device 63 to release the adsorbed cloth on the receiving portion 601 at the cloth stacking position 406, so that the cloth is neatly stacked on the receiving portion 601. Thus, the automatic positioning and sewing of trademarks on one collar cut piece are completed, and the sewing of trademarks on a plurality of collar cut pieces can be realized by repeating the steps.

In summary, the sewing machine of the present invention has a feeding area for automatically positioning the trademark and the cut collar, and a feeding device for transferring the positioned trademark and cut collar to the sewing area, wherein the sewing machine head completes automatic sewing of the trademark in the sewing area. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A sewing machine characterized by: the sewing template comprises a base plate, a sewing window for accommodating a trademark is arranged on the base plate, a pressing plate in the sewing window is arranged, and a driving assembly for driving the pressing plate to enter the sewing window or withdraw from the sewing window, the bottom surface of the pressing plate is flush with the bottom surface of the base plate, when the pressing plate extends into the sewing window, sewing gaps are formed between the front end and the two sides of the pressing plate and the base plate, the sewing gaps are used for completing three-edge sewing of the trademark, when the pressing plate moves towards the direction withdrawing the sewing window, the fourth edge of the trademark is exposed, then the fourth edge sewing of the trademark is completed, the sewing template further comprises a feeding mechanism, the feeding mechanism comprises an adsorption part and a template assembly capable of vertically lifting, the adsorption part is positioned on a platen of a sewing machine, the template assembly comprises a collar template, the trademark template is provided with a window for accommodating the trademark, and is used for completing the adsorption and positioning of the trademark and cut pieces, during the material loading, place the collar cut-parts in absorption portion department, the trade mark template falls on the collar cut-parts, and the trade mark is placed in the window of trade mark template, and the sewing template is pressed on the collar cut-parts and the trade mark that have been fixed a position, just the base plate is used for pressing on the collar cut-parts, and the clamp plate is used for pressing on the trade mark.

2. The sewing machine of claim 1, wherein: the driving assembly comprises a driving cylinder and a connecting block connected with a piston rod of the driving cylinder, and the pressing plate is connected with the connecting block.

3. The sewing machine of claim 2, wherein: the connecting block with press plate presss from both sides between and establishes a deflector, be equipped with two relative guide ways on the base plate, the both sides of deflector stretch into respectively in the guide way and the deflector moves along the guide way.

4. The sewing machine of claim 1, wherein: the base plate is provided with a sewing part for sewing two short edges of the trademark, and the sewing part is internally provided with at least one group of two parallel long sewing holes.

5. The sewing machine of claim 1, wherein: the sewing machine comprises a feeding device, a feeding assembly and an X-direction driving mechanism, wherein the feeding device comprises a transverse sliding rail, a feeding assembly and an X-direction driving mechanism, the transverse sliding rail is arranged on a feeding area and a sewing area of a sewing machine table in a spanning mode, the feeding assembly is arranged on the transverse sliding rail in a sliding mode, and the X-direction driving mechanism is arranged on the X-direction driving mechanism; the feeding assembly comprises a supporting plate arranged on a transverse sliding rail in a sliding manner, a Y-direction feeding mechanism arranged on the supporting plate, a sliding plate arranged on the Y-direction feeding mechanism, a Z-direction lifting mechanism arranged on the sliding plate and a mounting plate arranged on the Z-direction lifting mechanism and used for mounting a sewing template, the supporting plate is connected with the X-direction driving mechanism and slides along the transverse sliding rail under the driving of the X-direction driving mechanism, the X-direction driving mechanism comprises an X-direction driving belt wheel and an X-direction driven belt wheel which are arranged along the transverse sliding rail at intervals, an X-direction synchronous belt connecting the X-direction driving belt wheel and the X-direction driven belt wheel and an X-direction power element connected with the X-direction driving belt wheel, the supporting plate is connected with the X-direction synchronous belt, and the Y-direction feeding mechanism drives the sliding plate to drive the Z-direction lifting mechanism to move along the Y direction, and the Z-direction lifting mechanism drives the mounting plate to drive the sewing template to move along the Z direction.

6. The sewing machine of claim 5, wherein: a guide groove extending along the X direction is formed in the bedplate, and the forming position of the guide groove and the arrangement position of the X-direction driving belt pulley are located on the same X-direction horizontal line; the X-direction driven pulley is arranged on an X-direction driven pulley seat, a guide bulge is arranged at the bottom of the X-direction driven pulley seat, the X-direction driven pulley seat is placed above the guide groove, and the guide bulge is slidably inserted into the guide groove; and a tensioning mechanism is arranged on one side of the guide groove, which is far away from the X-direction driving pulley, on the bedplate, and the tensioning mechanism is connected with the X-direction driven pulley seat and tensions the X-direction synchronous belt.

7. The sewing machine of claim 5, wherein: the table plate is provided with a position block at the extreme position where the position block moves along the X direction along with the supporting plate, a position sensor capable of sensing the position block and a safety switch capable of stopping the operation of the X-direction driving mechanism are arranged on the table plate, and the position sensor and the safety switch are connected with a master controller.

8. The sewing machine of claim 5, wherein: the Y-direction feeding mechanism comprises a Y-direction sliding seat arranged on the supporting plate along the Y direction, a Y-direction guide rail arranged on the Y-direction sliding seat in a sliding mode along the Y direction and a Y-direction driving assembly driving the sliding plate to move along the Y direction, and the sliding plate is connected with the Y-direction guide rail.

9. The sewing machine of claim 5, wherein: the Z-direction lifting mechanism comprises a Z-direction guide rail arranged on one end, close to the bedplate, of the sliding plate along the Z direction, a Z-direction sliding block arranged on the Z-direction guide rail in a sliding mode, and a Z-direction driving assembly driving the mounting plate to move along the Z direction, and the mounting plate is connected with the Z-direction sliding block.