CN114737322A

CN114737322A - Sewing equipment

Info

Publication number: CN114737322A
Application number: CN202210295932.8A
Authority: CN
Inventors: 陈中华
Original assignee: Changzhou Wisdom&convergence&valley Equipment Technology Co ltd
Current assignee: Changzhou Wisdom&convergence&valley Equipment Technology Co ltd
Priority date: 2021-03-29
Filing date: 2022-03-23
Publication date: 2022-07-12
Anticipated expiration: 2042-03-23
Also published as: CN114737322B

Abstract

The invention discloses sewing equipment which comprises a workbench component, a sewing machine head, a rear trouser body feeding component, a York feeding component and a curling component. The sewing machine head is fixedly arranged on the frame. The rear trouser body feeding component is arranged on the rack and conveys the rear trouser body from the first working panel to the left and right. The key point is that the York feeding component is arranged on the right part of the rack and conveys York cloth from right to left. The edge curling component is arranged on the frame and is positioned between the rear trouser body feeding component and the approximate gram feeding component. The rear trouser body feeding assembly is turned up by the turning-up assembly when the rear trouser body is conveyed from right to left, the York feeding assembly is turned up by the turning-up assembly when the York cloth is conveyed from right to left, the rear trouser body and the York cloth are mutually wrapped by the turning-up assembly after being turned up, and the parts, which are wrapped by the mutual turning-up of the rear trouser body and the York cloth, are sewn together by the sewing machine head.

Description

Sewing equipment

Technical Field

The invention relates to the technical field of industrial sewing machine equipment, in particular to upper york sewing equipment for york sewing.

Background

Jeans are generally made of indigo washing fabrics such as jeans and the like, front body trouser pieces are not pleated, rear body trouser pieces are not dart, zippers are arranged in front of a door, an inclined pocket is arranged on each of the left and the right of each front body trouser piece, two patch pockets with sharp waist patches are arranged on each rear piece, metal rivets are nailed at seams of the pocket mouths and visible line decoration is pressed on the seams of the pocket mouths, and the jeans have the characteristics of wear resistance, dirt resistance, close fitting, comfort and the like. Jeans, as a kind of casual pants worn by men and women, can be called a star which never fades all the year round and is listed as the head of a 'all-match' garment. The jeans are more and more in fabric and design, for example, straight pants and micro-trumpet pants can enable women with thick legs to be beautiful and slim, and close-fitting pants can enable fat women to be slim and thin women to be sexy. The joker on the jeans refers to the cut pieces connecting the waist and the body of the jeans back panel, generally is oblique cut pieces, and the arc effect of the joker and the effect of reducing the back bag and being capable of highlighting the tilting of the hip are relatively sexual and have an attractive effect.

Disclosure of Invention

The invention aims to provide a joker sewing device which is simple in structure and used for jeans joker sewing.

The basic technical scheme for realizing the purpose of the invention is as follows: a sewing device comprises a workbench component, a sewing machine head, a back trouser body feeding component, a York feeding component and a hemming component. The workbench assembly comprises a rack, a first bedplate, a first working panel, a second bedplate and a second working panel. The first bedplate is horizontally and fixedly arranged on the front part of the upper part of the frame along the left-right direction, and the first working panel is horizontally and fixedly arranged on the rear part of the upper side of the first bedplate along the left-right direction. The second bedplate is horizontally and fixedly arranged on the right part of the upper part of the frame, is positioned behind the first bedplate and is lower than the first bedplate. The second working panel is horizontally and fixedly arranged on the front part of the second bedplate. The York ascending bedplate is fixedly arranged on the frame, is positioned on the left side of the second working panel, is obliquely arranged with a lower right and a higher left, and the right end of the York ascending bedplate is connected with the left end of the second working panel. The sewing machine head is fixedly arranged on the frame. The rear trouser body feeding component is arranged on the rack and conveys the rear trouser body from the first working panel to the left from right. The structure is characterized in that: the workbench component also comprises a York ascending bedplate which is fixedly arranged on the rack, is positioned on the left side of the second working panel, is obliquely arranged in a manner of being low at the right side and high at the left side, and the right end of the York ascending bedplate is connected with the left end of the second working panel; the York pay-off subassembly sets up on the right part of frame, and the York pay-off subassembly is carried the York cloth from right side left side. The edge curling component is arranged on the frame and is positioned between the rear trouser body feeding component and the approximate gram feeding component. The rear cloth trouser body feeding assembly is turned up by the turning-up assembly when conveying the rear cloth trouser body from right to left, the York feeding assembly is turned up by the turning-up assembly when conveying the York cloth from right to left, the turning-up assembly enables the rear cloth trouser body and the York cloth to be mutually wrapped after being turned up, and the sewing machine head sews the parts of the rear cloth trouser body and the York cloth which are mutually wrapped by the turning-up edge.

Furthermore, in order to keep the accurate positioning of the front side of the york cloth, a york raking component is also arranged; the joker material pushing assembly comprises a material pushing wheel; the front part of the second working panel is vertically provided with a positioning leaning plate part along the left-right direction; the material pushing wheel drives the York cloth to be attached to the positioning leaning plate part forwards.

Furthermore, the york raking component also comprises a york driving seat, a raking driving cylinder, a raking lifting arm, a detection light eye and a detection reflector; the joker driving seat is fixedly arranged on the upper side of the second bedplate, the raking driving cylinder is rotationally arranged on the joker driving seat through a cylinder body, and the rotation axis of the raking driving cylinder is parallel to the second bedplate; the left end of the raking lifting arm is rotatably connected to the york driving seat, and the rotating axis of the raking lifting arm is parallel to the rotating axis of the cylinder body of the raking driving cylinder; a piston rod of the raking driving cylinder extends downwards, and the end of the piston rod is hinged to the middle of the raking lifting arm, so that the raking driving cylinder drives the right end of the raking lifting arm to lift or descend; the material raking wheel is rotatably arranged at the right end of the material raking lifting arm, the rotating axis of the material raking wheel is parallel to the second bedplate, the included angle between the rotating axis and the advancing direction of the york cloth from right to left is 5-40 degrees, the detection light eye is fixedly arranged on the left part of the front side of the second working panel, the detection reflector is fixedly arranged on the lower part of the rear side of the first working panel and matched with the detection light eye, and the detection light eye is used for detecting the york cloth. The automation degree is higher, and the reliability is improved.

Further, in order to improve the cladding quality, the turn-up subassembly includes feed plate, first wallboard, second wallboard, first flitch, third wallboard, fourth wallboard and second flitch of folding. The feeding plate is horizontally arranged in the left-right direction, the upper surface of the feeding plate is level with the first working panel on the middle part of the rack, the front part of the feeding plate is positioned in the first working panel, and the rear part of the feeding plate extends out of the first working panel backwards. The second wallboard is along controlling to vertical setting on the rear portion edge downside of feed plate, and the lower part of second wallboard is the slope setting of low left height in the right side. The flitch setting is folded to the second on the lower part edge front side of second wallboard, is the slope setting high on the low left side of the corresponding right side in edge that sets up with the lower part slope of second wallboard. The fourth wallboard is along controlling to vertical setting on the anterior marginal downside of second flitch of creasing, and the lower part of fourth wallboard is the slope setting of low left height in the right side. First flitch setting is on the lower part edge rear side of fourth wallboard, is the slope setting of the corresponding low left side height in right side of edge that sets up with the lower part slope of fourth wallboard. First wallboard is along controlling to vertical setting on the rear portion edge upside of first flitch, and the upper portion of first wallboard is the level setting, forms trousers body feedstock channel between first wallboard and the second wallboard. The right end of the first wall plate is provided with a backward bent trouser body guiding part. The third wallboard is along controlling to vertical setting on the downside middle part of feed plate, its lower limb be with the low slope setting corresponding slope setting of high left in the right side of first flitch. The third wall plate and the fourth wall plate form an approximate gram feeding channel. The right end of the third wall plate is provided with a forward bent york guide part. The upper side of the left end of the first material folding plate and the lower side of the left end of the second material folding plate form a horizontal york discharge hole. The upper side of the left end of the second material folding plate and the lower side of the left end of the feeding plate form a horizontal trouser body discharge hole.

Furthermore, the crimping assembly also comprises a first guide rod and a second guide rod; the first guide rod is fixedly arranged on the trousers body guide part, is positioned behind the first wall plate, is obliquely arranged with the right back higher than the left front lower, the right end is higher than the feeding plate, and the left end is lower than the feeding plate. The second guide arm is fixed to be set up on the york guide part, is the slope setting of right front low left back height, and the right-hand member is less than second work panel, and the left end is higher than the lowest of first flitch.

Furthermore, a first guide rod of the crimping assembly is a hollow air pipe, and a group of air blowing holes with holes towards the front lower part are formed in the first guide rod along the axis of the first guide rod. The second guide rod is a hollow air pipe, and a group of air blowing holes with holes opened backwards and upwards are formed in the second guide rod along the axis of the second guide rod.

Furthermore, in order to ensure smooth feeding, the rear trouser body feeding assembly comprises a first upper feeding synchronous belt, a first feeding motor, a first upper synchronous belt wheel, a second upper synchronous belt wheel, a pressing device and an upper feeding mounting frame. The pressing devices are two groups, and the two groups of pressing devices have the same structure and respectively comprise an elastic pressing sheet, an elastic sheet stop lever, a hand-screwed nut and a hanging bracket. The upper feeding mounting frame is a hanging frame which is arranged on a corresponding group of pressing devices in a vertically sliding mode through two fisheye joints, and the vertical sliding axis can swing through the fisheye joints.

The two groups of pressing devices are respectively arranged at the left side and the right side of the sewing machine head. The front end of the elastic pressing sheet is fixedly arranged on the upper feeding mounting frame, and the elastic sheet stop lever is fixedly arranged on the hanging frame. The rear end of the elastic pressing sheet is pressed on the elastic sheet stop lever from top to bottom. The hand-screwed nut is screwed on the hanger, and the lower end of the hand-screwed nut upwards props against the corresponding part of the elastic pressing sheet.

The first feeding motor is fixedly arranged on the frame and is positioned on the left side of the sewing machine head. The first upper synchronous belt wheel is rotatably arranged on the left part of the upper feeding mounting frame, and the first feeding motor drives the first upper synchronous belt wheel to rotate through the corresponding coupler and the corresponding driving shaft. The second upper synchronous belt wheel is rotatably arranged on the right part of the upper feeding mounting frame. The first upper synchronous pulley is disposed around the first upper synchronous pulley and the second upper synchronous pulley. The first feeding motor drives the first upper feeding synchronous belt to rotate for feeding.

Furthermore, the rear trouser body feeding assembly further comprises a second upper feeding synchronous belt, a third upper synchronous belt wheel, a tug and a synchronous belt wheel set. The third upper synchronous belt wheel is rotatably arranged on the middle part of the upper feeding mounting frame.

The first upper synchronous belt wheel is arranged around the first upper synchronous belt wheel and the second upper synchronous belt wheel and is in matched transmission with the third upper synchronous belt wheel. The second upper feeding synchronous belt is arranged around the second upper synchronous belt wheel and the third upper synchronous belt wheel.

The tug synchronous belt wheel and the tug are arranged on the upper feeding mounting frame in a rotating mode through the same rotating shaft and located on the left side of the third upper synchronous belt wheel, the tug synchronous belt wheel is matched with the first upper synchronous belt wheel, and the tug synchronous belt wheel is driven to rotate when the first upper synchronous belt wheel rotates.

The upper synchronous pulley sets are arranged between the upper synchronous pulley set on the second and the upper synchronous pulley set on the third, each synchronous pulley of the upper synchronous pulley set is arranged on the upper feeding mounting frame through respective corresponding torsion spring rotation, and the torsion springs provide downward force for the synchronous pulleys, so that the synchronous pulleys can be in good contact with the first upper feeding synchronous belt and the second upper feeding synchronous belt all the time. The other group of upper synchronous pulley sets between the first upper synchronous pulley and the tug synchronous pulley, each synchronous pulley of the group of upper synchronous pulley sets is rotatably arranged on the upper feeding mounting frame through respective corresponding torsional springs, and the torsional springs provide downward force for the synchronous pulleys, so that the synchronous pulleys can be always in good contact with the first upper feeding synchronous belts.

Further, in order to ensure that the feeding of the york cloth is smooth, the york feeding assembly comprises a lower feeding synchronous belt, a first lower synchronous belt pulley, a second feeding motor, a pressing wheel, a lower synchronous belt pulley group and a lower feeding mounting seat. The front part of the second working panel is vertically provided with a positioning leaning plate part along the left-right direction.

The second feeding motor is fixedly arranged on the right part of the frame. The first lower synchronous belt wheel is rotatably arranged on the right part of the lower feeding mounting seat, the rotating axis of the first lower synchronous belt wheel is horizontally arranged along the front-back direction, and the second feeding motor drives the first lower synchronous belt wheel to rotate through the corresponding coupler and the corresponding driving shaft. The second lower synchronous belt wheel is rotatably arranged on the left part of the lower feeding mounting seat, the rotating axis of the second lower synchronous belt wheel is horizontally arranged along the front-back direction, and the rotating axis of the second lower synchronous belt wheel is higher than that of the first lower synchronous belt wheel. The plane where the rotating axis of the second lower synchronous pulley and the rotating axis of the first lower synchronous pulley are arranged is inclined from high left to low right. The lower feeding synchronous belt is arranged around the first lower synchronous belt wheel and the second lower synchronous belt wheel, the lower feeding synchronous belt is positioned on the front side of the york ascending bedplate, and the upper surface of the lower feeding synchronous belt is level to the upper surface of the york ascending bedplate. The pinch roller rotates and is arranged on the hemming assembly and matched with the lower feeding synchronous belt. Each synchronous pulley of the lower synchronous pulley set is rotatably arranged on the lower feeding mounting seat through a corresponding torsion spring, and the torsion spring provides upward force for the synchronous pulley, so that the synchronous pulley can be in good contact with the lower feeding synchronous belt all the time. The lower feeding mounting seat is arranged on the rack in a sliding mode, and the sliding direction of the lower feeding mounting seat is perpendicular to the plane where the rotating axis of the second lower synchronous belt wheel and the rotating axis of the first lower synchronous belt wheel are located.

Furthermore, the device also comprises an adjusting workbench for convenient maintenance and repair. The adjustment workbench comprises a handpiece mounting plate, a first guide assembly and a knob plunger. The first guide assembly comprises two linear guide rails which are sequentially and fixedly arranged on the left part of the rear part of the rack from left to right, the two linear guide rails are fixedly arranged on the rack by respective guide rails along the front and back directions, and each linear guide rail is provided with two sliding blocks. The machine head mounting plate is fixedly arranged on the four sliding blocks of the two linear guide rails. The knob plunger is fixedly arranged on the machine head mounting plate, and the plunger downwards penetrates through the machine head mounting plate and then extends into a corresponding positioning hole on the upper side of the guide rail of the right linear guide rail.

Furthermore, in order to effectively cut off the connecting line, a wire cutting component is also included. The line cutting assembly comprises a machine head connecting cover plate, a fixed cutter, a movable cutter, a fixed cutter mounting seat, a movable cutter connecting seat, a movable cutter driving cylinder, a movable cutter guiding assembly and a movable cutter pressing assembly.

The machine head connecting cover plate is fixedly arranged on the sewing machine head and positioned on one side of the discharging direction of the sewing machine head, the upper surface of the machine head connecting cover plate is level with a machine head bedplate of the sewing machine head, and the machine head connecting cover plate is provided with a material cutting hole penetrating through the upper part and the lower part of the machine head connecting cover plate. The fixed cutter mounting seat is fixedly arranged on the lower side of the machine head connecting cover plate, and the fixed cutter is fixedly arranged on the right part of the fixed cutter mounting seat and is positioned in the material cutting hole of the machine head connecting cover plate. The movable knife connecting seat is fixedly arranged on the left side of the upper part of the sewing machine head. The movable knife guide assembly adopts a linear guide rail, and the movable knife driving cylinder drives the movable knife to move up and down along the movable knife guide assembly to form shearing action with the fixed knife below. The movable knife is arranged on the movable knife mounting seat in a left-right sliding manner. The movable knife pressing assembly comprises a pressing spring and a pressing bolt, the pressing bolt penetrates through the movable knife from left to right and then is screwed on the movable knife mounting base, and the pressing spring is arranged on the pressing bolt and located between the head of the pressing bolt and the movable knife to press the movable knife rightwards. The rear part of the movable cutter is provided with a guide part, the right side of the guide part is provided with a guide inclined plane, the guide inclined plane is arranged in a mode of being higher at the right side and lower at the left side, and the guide inclined plane is always contacted with the cutting edge of the fixed cutter. Therefore, the movable knife is elastically arranged on the movable knife mounting seat through the movable knife pressing component, good contact is kept, and effective cutting of the connecting line is guaranteed.

Further, still include the receipts material subassembly. The material receiving assembly comprises a material discharging seat, a material pushing plate, a material blowing air pipe, a material pushing driving cylinder and a material pushing cylinder guiding assembly.

The discharging seat is fixedly arranged on the front part of the left part of the frame. The pushing driving cylinder is fixedly arranged on the left part of the rack by a cylinder body and is positioned behind the discharging seat, and a piston rod of the pushing driving cylinder extends forwards and is fixedly connected with the pushing plate. The material pushing cylinder guide assembly comprises 1 or 2 cylindrical shafts, each cylindrical shaft barrel is arranged on the rack in a sliding mode in the front-back direction through a corresponding linear bearing, and the front end of each cylindrical shaft is fixedly connected to the rear side of the material pushing plate through a corresponding flange. Thereby the pushing driving cylinder drives the pushing plate to move back and forth. The blowing air pipe is horizontally and fixedly arranged on the upper part of the material pushing plate along the left-right direction, and a group of blowing holes with forward holes are formed in the blowing air pipe along the axial direction.

Furthermore, in order to ensure the linearity and consistency of the feeding of the rear trouser body, an auxiliary feeding component is also included. The auxiliary feeding assembly comprises an auxiliary feeding synchronous belt, an auxiliary feeding first synchronous belt wheel, an auxiliary feeding second synchronous belt wheel, an auxiliary feeding motor, an auxiliary feeding driving synchronous belt wheel, an auxiliary feeding driven synchronous belt wheel, an auxiliary feeding driving synchronous belt and a discharging guide plate. The auxiliary feeding first synchronous belt wheel and the auxiliary feeding driven synchronous belt wheel are coaxially and rotatably arranged at the front end of the left part of the rack. The auxiliary feeding motor is fixedly arranged on the left part of the rack, the auxiliary feeding driving synchronous belt pulley is arranged on a motor shaft of the auxiliary feeding motor in a transmission way, and the auxiliary feeding driving synchronous belt is arranged around the auxiliary feeding driving synchronous belt pulley and the auxiliary feeding driven synchronous belt pulley. The auxiliary feeding second synchronous belt wheel is rotatably arranged on the right part of the rack, the auxiliary feeding synchronous belt is arranged around the auxiliary feeding first synchronous belt wheel and the auxiliary feeding second synchronous belt wheel, and the upper surface of the auxiliary feeding synchronous belt is parallel to the upper surface of the first bedplate and is positioned in front of the first bedplate. The discharging guide plate is fixedly arranged on the left portion of the front side of the rack and located in the middle of the auxiliary feeding synchronous belt, a guide inclined plane is arranged on the right portion of the front portion of the discharging guide plate, the right portion of the guide inclined plane is backward, the left portion of the guide inclined plane is forward inclined, the right end of the guide inclined plane is located in the auxiliary feeding synchronous belt, and the left portion of the discharging guide plate extends forwards out of the auxiliary feeding synchronous belt.

The invention has the following beneficial effects: (1) the sewing equipment disclosed by the invention is simple in structure, is used for jeans approximate gram sewing, completes material collection, is higher in automation degree, and is beneficial to improving the production efficiency.

(2) The sewing equipment is provided with the adjusting workbench, so that the sewing machine head can move forwards and backwards conveniently, and the maintenance is convenient.

(3) The upper feeding mounting frame of the rear trouser body feeding component of the sewing equipment is arranged on the hanging frame in a vertically sliding manner through the two fisheye joints, and the vertically sliding axis can swing through the fisheye joints, so that the automatic adjustment can be realized to adapt to the change of different cloth thicknesses, the cloth is downwards pressed through the two groups of pressing devices, the slippage in the conveying process is ensured, and the feeding is reliable.

(4) The rear trouser body feeding component of the sewing equipment is provided with the tug, so that the smoothness of cloth during sewing is ensured, and the cloth can enter the tangent component conveniently.

(5) The front side of some jean cloth is provided with a radian, and the sewing equipment provided by the invention is provided with the jean raking component, so that the front side of the jean cloth is accurately positioned and always aligned forwards and close to the edge, the feeding quality is ensured, and the rear trouser body and the jean cloth are well wrapped by a turned edge.

(6) The hemming assembly of the sewing device can cause the rear trouser body and the York cloth to be mutually hemmed and coated, and has simple structure and reliable use.

(7) The sewing equipment is provided with the thread cutting assembly, so that the automation degree of the equipment is improved, the thread cutting assembly is also provided with the waste material air suction pipe, the scraps generated by shearing can be collected, the cleanness degree of the working environment is improved, and the pollution is reduced.

(8) The sewing equipment provided by the invention is provided with the material receiving assembly, so that the sewn rear trouser body and the York cloth can be stored and stacked.

(9) The sewing equipment is provided with the auxiliary feeding assembly, so that the feeding accuracy is improved, the hemming sewing quality is improved, the linearity and consistency of feeding of the rear trouser body are ensured, and the phenomenon that the hemming width is inconsistent due to the fact that the rear trouser body inclines is avoided.

Drawings

FIG. 1 is a schematic view showing a structure of a sewing machine of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a right-side schematic view of fig. 1.

Fig. 5 is a schematic top view of fig. 1.

Fig. 6 is a schematic view when viewed from the front left upper side of fig. 1.

Fig. 7 is a schematic view as viewed from the upper right rear side of fig. 1.

Fig. 8 is a schematic view as viewed from the upper right front of fig. 1.

FIG. 9 is a schematic view of the sewing machine with the head removed, as viewed from the upper left rear side of FIG. 1.

FIG. 10 is an enlarged schematic view of the rear panel pant feeding assembly as viewed from the rear of FIG. 1.

Fig. 11 is an enlarged view of the rear leg feed assembly as viewed from the front right below of fig. 1.

FIG. 12 is an enlarged schematic view of the rear panel feed assembly as viewed from the top left rear of FIG. 1.

Fig. 13 is an enlarged schematic view of the joker feed assembly as viewed from the rear of fig. 1.

Fig. 14 is an enlarged schematic view of the joker feed assembly and the crimping assembly as viewed from the rear right above fig. 1.

Fig. 15 is an enlarged structural view of the crimping assembly of fig. 1.

Fig. 16 is an enlarged structural view of the crimping assembly as viewed from the left side of fig. 1.

Fig. 17 is an enlarged structural view of the hemming assembly as viewed from the right of fig. 1.

Fig. 18 is an enlarged structural view of the hemming assembly as viewed from the upper left rear of fig. 1.

Fig. 19 is an enlarged schematic view of the jockey rake assembly as viewed from the rear right above in fig. 1.

Fig. 20 is an enlarged schematic view of the thread cutting assembly as viewed from the upper left front side of fig. 1.

Fig. 21 is an enlarged structural view of the thread cutting assembly when viewed from the upper right rear of fig. 1.

Fig. 22 is an enlarged structural diagram of the movable blade of the thread cutting assembly when viewed from the front left upper side of fig. 1.

Fig. 23 is an enlarged structural view of the material receiving assembly and the auxiliary feeding assembly when viewed from the upper right rear side of fig. 1.

The reference numbers in the drawings are:

a workbench component 1, a frame 1-1, a first bedplate 1-2, a first working panel 1-3, an upper positioning backup plate 1-3a, a second bedplate 1-4, a second working panel 1-5, a positioning backup plate part 1-5a, a discharging bedplate 1-6, a York lifting bedplate 1-7,

an adjusting workbench 2, a machine head mounting plate 2-1, a first guide component 2-2, a knob plunger 2-3, a sewing machine head 3,

a rear trouser body feeding component 4, a first upper feeding synchronous belt 4-1, a second upper feeding synchronous belt 4-2, a first feeding motor 4-3, a first upper synchronous belt pulley 4-4, a second upper synchronous belt pulley 4-5, a third upper synchronous belt pulley 4-6, a tug synchronous belt pulley 4-7, a tug 4-8, a hold-down device 4-9, an elastic pressing sheet 4-91, a hand-screwed nut 4-93, a hanger 4-94, an upper synchronous belt pulley group 4-10, an upper feeding mounting rack 4-11 and a discharging pressing plate 4-12,

a york feeding component 5, a lower feeding synchronous belt 5-1, a first lower synchronous belt wheel 5-2, a second lower synchronous belt wheel 5-3, a second feeding motor 5-4, a pinch roller 5-5, a lower synchronous belt wheel group 5-6, a lower feeding mounting seat 5-7,

a York raking component 6, a York driving seat 6-1, a raking driving cylinder 6-2, a raking lifting arm 6-3, a raking wheel 6-4, a detection light eye 6-5, a detection reflector 6-6,

a crimping component 7, a feeding plate 7-1, a first wall plate 7-2, a trouser body guiding part 7-21, a second wall plate 7-3, a first material folding plate 7-4, a third wall plate 7-5, an approximate gram guiding part 7-51, a fourth wall plate 7-6, a second material folding plate 7-7, a first guide rod 7-8, a second guide rod 7-9, a trouser body feeding channel 7a, an approximate gram feeding channel 7b, an approximate gram discharging port 7c and a trouser body discharging port 7d,

a cutting line component 8, a waste material aspiration channel 8a, a machine head connecting cover plate 8-1, a fixed knife 8-2, a moving knife 8-3, a guide part 8-31, a fixed knife installation seat 8-4, a moving knife installation seat 8-5, a moving knife connecting seat 8-6, a moving knife driving air cylinder 8-7, a moving knife guide component 8-8, a moving knife pressing component 8-9, a cutting guide component 8-10, a feeding lower guide plate 8-101, a feeding upper guide plate 8-102, a discharging lower guide block 8-103, a receiving component 9, a discharging seat 9-1, a pushing plate 9-2, a blowing air tube 9-3, a pushing air cylinder 9-4 and a pushing air cylinder guide component 9-5,

the auxiliary feeding device comprises an auxiliary feeding component 10, an auxiliary feeding synchronous belt 10-1, an auxiliary feeding first synchronous belt wheel 10-2, an auxiliary feeding second synchronous belt wheel 10-3, an auxiliary feeding motor 10-4, an auxiliary feeding driven synchronous belt wheel 10-6, an auxiliary feeding driving synchronous belt 10-7, a discharging guide plate 10-8, a rear trouser body 100-1 and a York cloth 100-2.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The orientation of the present invention is described according to the orientation shown in fig. 1, that is, the up-down and left-right directions shown in fig. 1 are the up-down and left-right directions described, and the side facing fig. 1 is the front side and the side facing away from fig. 1 is the rear side.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on positional relationships illustrated in the drawings, and are used merely for convenience in describing the invention or to simplify the description, but do not indicate that a particular orientation is necessary.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

(example 1)

Referring to fig. 1 to 23, the joker sewing machine of the invention comprises a workbench component 1, an adjusting workbench 2, a sewing machine head 3, a rear trouser body feeding component 4, a joker feeding component 5, a joker skimming component 6, a crimping component 7, a thread cutting component 8, a material receiving component 9 and an auxiliary feeding component 10.

Referring to fig. 1-9, a table assembly 1 includes a frame 1-1, a first platen 1-2, a first work panel 1-3, a second platen 1-4, a second work panel 1-5, a drop platen 1-6, and an approximate gram lift platen 1-7.

The first bedplate 1-2 is horizontally and fixedly arranged on the front part of the upper part of the frame 1-1 along the left-right direction, the first working panel 1-3 is horizontally embedded and fixedly arranged on the upper side of the first bedplate 1-2 along the left-right direction, and the upper surface of the first working panel is level to the upper surface of the first bedplate 1-2. The right part of the rear side of the first working panel 1-3 is vertically provided with an upper positioning backup plate 1-3a along the left-right direction. The second bedplate 1-4 is horizontally and fixedly arranged on the right part of the upper part of the frame 1-1, is positioned behind the first bedplate 1-2 and is lower than the first bedplate 1-2. The second working panel 1-5 is embedded and arranged on the front part of the second bedplate 1-4 horizontally, the upper surface of the second working panel is level with the upper surface of the second bedplate 1-4, and the front part of the second working panel 1-5 is vertically provided with a positioning leaning plate part 1-5a along the left-right direction. The first working panel 1-3 and the second working panel 1-5 are made of stainless steel materials, which is beneficial to the sliding of the rear trouser body 100-1 and the fabric 100-2 on the surface. The York ascending bedplate 1-7 is fixedly arranged on the frame 1-1, is positioned at the left side of the second working panel 1-5, is obliquely arranged with a lower right and a higher left, and the right end of the York ascending bedplate is connected with the left end of the second working panel 1-5.

Referring to fig. 1-11, the adjustment table 2 includes a head mounting plate 2-1, a first guide assembly 2-2, and a knob plunger 2-3. The first guide assembly 2-2 comprises two linear guide rails which are fixedly arranged on the left part of the rear part of the rack 1-1 from left to right in sequence, the two linear guide rails are fixedly arranged on the rack 1-1 from front to back through respective guide rails, and each linear guide rail is provided with two sliding blocks. The machine head mounting plate 2-1 is fixedly arranged on the four sliding blocks of the two linear guide rails. The knob plunger 2-3 is fixedly arranged on the machine head mounting plate 2-1, the plunger penetrates through the machine head mounting plate 2-1 downwards and then extends into a corresponding positioning hole on the upper side of the guide rail of the right linear guide rail, so that the machine head mounting plate 2-1 is kept fixed, when the knob plunger 2-3 needs to move, the handle of the knob plunger 2-3 is pulled upwards, the knob plunger 2-3 is led to withdraw from the positioning hole on the guide rail of the linear guide rail upwards, and the machine head mounting plate 2-1 can move back and forth along the two linear guide rails of the first guide assembly 2-2. The sewing machine head 3 is fixedly arranged on the machine head mounting plate 2-1.

Referring to fig. 10 to 12, the rear trouser body feeding component 4 comprises a first upper feeding synchronous belt 4-1, a second upper feeding synchronous belt 4-2, a first feeding motor 4-3, a first upper synchronous belt pulley 4-4, a second upper synchronous belt pulley 4-5, a third upper synchronous belt pulley 4-6, a tug synchronous belt pulley 4-7, a tug 4-8, a pressing device 4-9, a synchronous belt pulley group 4-10, an upper feeding mounting frame 4-11 and a discharging pressing plate 4-12.

The two groups of the pressing devices 4-9 have the same structure, and each group of the pressing devices 4-9 comprises an elastic pressing sheet 4-91, an elastic sheet stop lever (not shown in the figure), a hand-screwed nut 4-93 and a hanger 4-94. The upper feeding mounting rack 4-11 is arranged on the hanging racks 4-94 of the corresponding group of the pressing devices 4-9 in a vertically sliding manner through two fisheye joints, and the vertical sliding axis can swing through the fisheye joints.

The two groups of pressing devices 4-9 are respectively arranged at the left and right sides of the sewing machine head 3. The hanger 4-94 of the presser device 4-9 on the right side is fixedly provided on the second deck 1-4, and the hanger 4-94 of the presser device 4-9 on the left side is fixedly provided on the left rear portion of the first deck 1-2. The front end of the elastic pressing sheet 4-91 is fixedly arranged on the upper feeding mounting rack 4-11, and the elastic sheet stop lever is fixedly arranged on the hanger 4-94. The rear ends of the elastic pressing sheets 4-91 are pressed on the elastic sheet stop lever from top to bottom. The hand-screwed nut 4-93 is screwed on the hanger 4-94, the lower end of the hand-screwed nut props against the corresponding part of the elastic pressing sheet 4-91 from the top up, so that the upper feeding mounting rack 4-11 is pressed downwards, and automatic adjustment and adaptation are realized through the fisheye joint.

The first feeding motor 4-3 is fixedly arranged on the frame 1-1 and is positioned at the left side of the sewing machine head 3. The first upper synchronous belt wheel 4-4 is rotatably arranged on the left part of the upper feeding mounting frame 4-11, and the first feeding motor 4-3 drives the first upper synchronous belt wheel 4-4 to rotate through a corresponding coupler and a corresponding driving shaft. The second upper synchronous belt wheel 4-5 is rotatably arranged on the right part of the upper feeding mounting frame 4-11. The third upper synchronous belt wheel 4-6 is rotatably arranged on the middle part of the upper feeding mounting frame 4-11. The first upper synchronous pulley 4-4 is arranged around the first upper synchronous pulley 4-4 and the second upper synchronous pulley 4-5 and is in transmission cooperation with the third upper synchronous pulley 4-6. The portion of the first upper feeding timing belt 4-1 between the first upper timing pulley 4-4 and the third upper timing pulley 4-6 is located on the upper side of the first working panel 1-3. A second upper feeding timing belt 4-2 is provided around the second upper timing pulley 4-5 and the third upper timing pulley 4-6.

The tug synchronous belt wheels 4-7 and the tug wheels 4-8 are rotatably arranged on the upper feeding mounting frame 4-11 through the same rotating shaft and are positioned on the left side of the third upper synchronous belt wheel 4-6, the tug synchronous belt wheels 4-7 are matched with the first upper synchronous belt wheel 4-4, and the first upper synchronous belt wheel 4-4 drives the tug synchronous belt wheels 4-7 to rotate when rotating, so that the tug wheels 4-8 are driven to rotate.

Two groups of upper synchronous pulley groups 4-10 are provided, one group of upper synchronous pulley groups 4-10 is arranged between the second upper synchronous pulley 4-5 and the third upper synchronous pulley 4-6, each synchronous pulley of the upper synchronous pulley groups 4-10 is rotatably arranged on the upper feeding mounting rack 4-11 through respective corresponding torsion springs, and the torsion springs provide downward force to the synchronous pulleys, so that the synchronous pulleys can be always in good contact with the first upper feeding synchronous belt 4-1 and the second upper feeding synchronous belt 4-2. The other group of upper synchronous pulley sets 4-10 are arranged between the first upper synchronous pulley 4-4 and the tug synchronous pulley 4-7, each synchronous pulley of the upper synchronous pulley sets 4-10 is rotatably arranged on the upper feeding mounting rack 4-11 through a respective corresponding torsion spring, and the torsion springs provide downward force for the synchronous pulleys, so that the synchronous pulleys can be always in good contact with the first upper feeding synchronous belt 4-1.

Referring to fig. 13 and 14, the joker feeding assembly 5 comprises a lower feeding synchronous belt 5-1, a first lower synchronous belt wheel 5-2, a second lower synchronous belt wheel 5-3, a second feeding motor 5-4, a pressing wheel 5-5, a lower synchronous belt wheel set 5-6 and a lower feeding mounting seat 5-7.

The second feeding motor 5-4 is fixedly arranged on the right part of the frame 1-1. The first lower synchronous belt wheel 5-2 is rotatably arranged on the right part of the lower feeding mounting seat 5-7, the rotating axis of the first lower synchronous belt wheel is horizontally arranged along the front-back direction, and the second feeding motor 5-4 drives the first lower synchronous belt wheel 5-2 to rotate through a corresponding coupler and a corresponding driving shaft. The second lower synchronous belt wheel 5-3 is rotatably arranged on the left part of the lower feeding mounting seat 5-7, the rotating axis of the second lower synchronous belt wheel 5-3 is horizontally arranged along the front-back direction, and the rotating axis of the second lower synchronous belt wheel 5-3 is higher than that of the first lower synchronous belt wheel 5-2. The rotating axis of the second lower synchronous pulley 5-3 and the plane where the rotating axis of the first lower synchronous pulley 5-2 is arranged in a left-high right-low inclined manner. The lower feeding synchronous belt 5-1 is arranged around the first lower synchronous belt wheel 5-2 and the second lower synchronous belt wheel 5-3, the lower feeding synchronous belt 5-1 is positioned on the front side of the york rising bedplate 1-7, and the upper surface of the lower feeding synchronous belt 5-1 is not lower than the upper surface of the york rising bedplate 1-7. The pressing wheel 5-5 is rotatably arranged on the hemming assembly 7 and is matched with the lower feeding synchronous belt 5-1, and when the tension device is used, the York cloth 100-2 is pressed on the lower feeding synchronous belt 5-1, so that the tension device is not easy to slip during feeding. Each synchronous belt wheel of the lower synchronous belt wheel set 5-6 is rotatably arranged on the lower feeding installation seat 5-7 through a corresponding torsion spring, and the torsion spring provides upward force for the synchronous belt wheel, so that the synchronous belt wheel can be always in good contact with the lower feeding synchronous belt 5-1. The lower feeding mounting base 5-7 is arranged on the rack 1-1 in a sliding mode, and the sliding direction of the lower feeding mounting base is perpendicular to the plane where the rotating axis of the second lower synchronous belt wheel 5-3 and the rotating axis of the first lower synchronous belt wheel 5-2 are located.

Referring to fig. 19, the york raking component 6 comprises a york driving seat 6-1, a raking driving cylinder 6-2, a raking lifting arm 6-3, a raking wheel 6-4, a detection light eye 6-5 and a detection light reflecting plate 6-6. The york drive seat 6-1 is fixedly arranged on the upper side of the second bedplate 1-4, the raking drive cylinder 6-2 is rotatably arranged on the york drive seat 6-1 by the cylinder body, and the rotating axis of the raking drive cylinder is parallel to the second bedplate 1-4. The left end of the raking lifting arm 6-3 is rotatably connected to the york driving seat 6-1, and the rotating axis of the raking lifting arm is parallel to the rotating axis of the cylinder body of the raking driving cylinder 6-2. The piston rod of the raking driving cylinder 6-2 extends downwards, and the end of the piston rod is hinged to the middle of the raking lifting arm 6-3, so that the right end of the raking lifting arm 6-3 is driven to lift or descend by the raking driving cylinder 6-2. The material raking wheel 6-4 is rotatably arranged at the right end of the material raking lifting arm 6-3, the rotating axis of the material raking wheel is parallel to the second bedplate 1-4, and the included angle between the rotating axis and the advancing direction of the york cloth 100-2 from right to left is 5-40 degrees, and 20 degrees in the embodiment. The detecting light eye 6-5 is fixedly arranged on the left portion of the front side of the second working panel 1-5, the detecting light reflecting plate 6-6 is fixedly arranged on the lower portion of the rear side of the first working panel 1-3 and matched with the detecting light eye 6-5, the detecting light eye 6-5 is used for detecting whether the front portion of the York cloth 100-2 is attached to the positioning leaning plate portion 1-5a or not, when the York cloth 100-2 is not detected, the material raking driving cylinder 6-2 drives the material raking wheel 6-4 to press the York cloth 100-2 downwards, and when the York cloth 100-2 moves leftwards again, the material raking wheel 6-4 drives the material raking wheel to attach the positioning leaning plate portion 1-5a forwards, so that the feeding accuracy of the York cloth 100-2 is guaranteed.

Referring to fig. 15 to 18, the hemming assembly 7 includes a feed plate 7-1, a first wall plate 7-2, a second wall plate 7-3, a first deflector plate 7-4, a third wall plate 7-5, a fourth wall plate 7-6, a second deflector plate 7-7, a first guide bar 7-8, and a second guide bar 7-9.

The feeding plate 7-1 is horizontally arranged along the left-right direction, the upper surface of the feeding plate is level with the first working panel 1-3 on the middle part of the frame 1-1, the front part of the feeding plate is positioned in the first working panel 1-3, and the rear part of the feeding plate extends backwards out of the first working panel 1-3. The second upper feeding timing belt 4-2 and the corresponding portion of the first upper feeding timing belt 4-1 are located above the feeding plate 7-1. The second wall plate 7-3 is vertically arranged on the lower side of the rear edge of the feeding plate 7-1 along the left-right direction, and the lower part of the second wall plate 7-3 is obliquely arranged with the lower right part and the higher left part. The second baffle plate 7-7 is provided on the lower edge front side of the second wall plate 7-3 in an inclined arrangement with a lower right and a higher left corresponding to the obliquely arranged edge of the lower part of the second wall plate 7-3. The fourth wall plate 7-6 is vertically arranged on the lower side of the front edge of the second material folding plate 7-7 along the left-right direction, and the lower part of the fourth wall plate 7-6 is obliquely arranged with the lower right part and the higher left part. The first material folding plate 7-4 is arranged on the rear side of the lower edge of the fourth wall plate 7-6 and is obliquely arranged at the lower right and the higher left corresponding to the obliquely arranged edge of the lower part of the fourth wall plate 7-6, and the plane where the rotating axis of the second lower synchronous pulley 5-3 and the rotating axis of the first lower synchronous pulley 5-2 are located is parallel to the first material folding plate 7-4 and is positioned on the lower side of the first material folding plate 7-4. The first wall plate 7-2 is vertically arranged on the upper side of the rear edge of the first baffle plate 7-4 in the left-right direction, the upper part of the first wall plate 7-2 is horizontally arranged, and a trouser body feeding channel 7a is formed between the first wall plate 7-2 and the second wall plate 7-3. The right end of the first wall plate 7-2 is provided with a trousers body guiding part 7-21 which is bent backwards, a first guide rod 7-8 is fixedly arranged on the trousers body guiding part 7-21 and is positioned behind the first wall plate 7-2 and is obliquely arranged with the right back higher and the left front lower, the right end is higher than the feeding plate 7-1, and the left end is lower than the feeding plate 7-1. The first guide rod 7-8 is a hollow air pipe, a group of air blowing holes with front and lower openings are formed in the first guide rod 7-8 along the axis of the first guide rod, and the curled part of the rear width trouser body 100-1 is blown downwards when passing below the first guide rod 7-8, so that the rear width trouser body can smoothly enter the trouser body feeding channel 7 a. The third wall plate 7-5 is vertically arranged on the middle part of the lower side of the feeding plate 7-1 along the left-right direction, and the lower edge of the third wall plate is obliquely arranged corresponding to the oblique arrangement of the first baffle plate 7-4 with the lower right and the higher left. The third wall plate 7-5 and the fourth wall plate 7-6 form an approximate gram feed channel 7b therebetween. The right end of the third wall plate 7-5 is provided with a forward bent york guide part 7-51, the second guide rod 7-9 is fixedly arranged on the york guide part 7-51 and is obliquely arranged with the right front lower, the left rear higher, the right end is lower than the second working panel 1-5, and the left end is higher than the lowest part of the first baffle plate 7-4. The second guide rod 7-9 is a hollow air pipe, a group of air blowing holes with holes opened backwards and upwards are formed in the second guide rod 7-9 along the axis of the second guide rod, and the edge curling portion of the york cloth 100-2 is blown upwards when the york cloth passes over the second guide rod 7-9, so that the york cloth can smoothly enter the york feeding channel 7 b. The upper side of the left end of the first material folding plate 7-4 and the lower side of the left end of the second material folding plate 7-7 form a horizontal approximate gram discharge hole 7 c. The upper side of the left end of the second material folding plate 7-7 and the lower side of the left end of the feeding plate 7-1 form a horizontal trouser body discharge hole 7 d. The needle of the sewing machine head 3 is positioned between the hemming component 7 and the tug 4-8 of the rear trouser body feeding component 4. The discharging pressing plate 4-12 is fixedly arranged on the upper feeding mounting frame 4-11 and is positioned below the left front part of the second upper feeding synchronous belt 4-2, the discharging opening of the hemming assembly 7 is arranged, the left part of the discharging pressing plate 4-12 is provided with an elastic pressing plate part bent downwards, the discharging pressing plate can adapt to cloth with different thicknesses, the rear trouser body 100-1 and the approximate gram cloth 100-2 which are wrapped by the hemming are pressed tightly, a better mutual wrapping state is ensured during sewing, the scattering is prevented, and the sewing quality is improved.

Referring to fig. 20 to 22, the cutting line assembly 8 comprises a machine head connecting cover plate 8-1, a fixed cutter 8-2, a movable cutter 8-3, a fixed cutter mounting seat 8-4, a movable cutter mounting seat 8-5, a movable cutter connecting seat 8-6, a movable cutter driving cylinder 8-7, a movable cutter guiding assembly 8-8, a movable cutter pressing assembly 8-9 and a cutting guiding assembly 8-10.

The machine head connecting cover plate 8-1 is fixedly arranged on the sewing machine head 3 and is positioned on one side of the discharging direction of the sewing machine head 3, the upper surface of the machine head connecting cover plate is level with a machine head bedplate of the sewing machine head 3, and the machine head connecting cover plate 8-1 is provided with a material cutting hole penetrating through the upper part and the lower part of the machine head connecting cover plate. The fixed knife mounting seat 8-4 is fixedly arranged on the lower side of the machine head connecting cover plate 8-1, the fixed knife 8-2 is fixedly arranged on the right part of the fixed knife mounting seat 8-4 and is positioned in a material cutting hole of the machine head connecting cover plate 8-1, and a waste material suction pipe 8a is arranged below the material cutting hole. The movable knife connecting seat 8-6 is fixedly arranged on the left side of the upper part of the sewing machine head 3. The movable knife guide component 8-8 adopts a linear guide rail, and the movable knife guide component 8-8 is fixedly arranged on the movable knife connecting seat 8-6 along the vertical direction by the guide rail. The moving blade mounting seat 8-5 is fixedly arranged on the sliding block of the moving blade guide component 8-8. The moving blade driving cylinder 8-7 is fixedly arranged on the moving blade connecting seat 8-6 through a cylinder body, and a piston rod of the moving blade driving cylinder extends downwards and is fixedly connected with the moving blade mounting seat 8-5. Therefore, the moving knife driving cylinder 8-7 drives the moving knife 8-3 to move up and down along the moving knife guide component 8-8 to form shearing action with the fixed knife 8-2 below.

The moving knife 8-3 is arranged on the moving knife mounting seat 8-5 in a left-right sliding manner. The moving blade pressing component 8-9 comprises a pressing spring 8-91 and a pressing bolt, the pressing bolt penetrates through the moving blade 8-3 from left to right and then is screwed on the moving blade mounting seat 8-5, and the pressing spring 8-91 is arranged on the pressing bolt and is positioned between the head of the pressing bolt and the moving blade 8-3 to press the moving blade 8-3 to right. The rear part of the movable knife 8-3 is provided with a guide part 8-31, the right side of the guide part 8-31 is provided with a guide inclined plane, the guide inclined plane is arranged in a mode of being higher at the right side and lower at the left side, and the guide inclined plane is always contacted with the cutting edge of the fixed knife 8-2. Thereby the movable knife 8-3 is elastically arranged on the movable knife mounting seat 8-5 through the movable knife pressing component 8-9.

The blanking guide assembly 8-10 comprises a feeding lower guide plate 8-101, a feeding upper guide plate 8-102 and a discharging lower guide block 8-103. The feeding lower guide plate 8-101 is fixedly arranged on the machine head connecting cover plate 8-1, the right part of the feeding lower guide plate is attached to the machine head connecting cover plate 8-1, and the left part of the feeding lower guide plate is positioned above the right part of the fixed knife 8-2. The tugboat 4-8 of the rear trouser body feeding component 4 is positioned at the upper side of the feeding lower guide plate 8-101, and presses the sewed rear trouser body 100-1 and the corresponding part of the fabric 100-2 on the feeding lower guide plate 8-101 and conveys the same to the left. The feeding upper guide plate 8-102 is fixedly arranged on the moving blade connecting seat 8-6, the lower part of the feeding upper guide plate is arranged in a left-low and right-high mode and is positioned above the left part of the feeding lower guide plate 8-101. The discharging lower guide block 8-103 is fixedly arranged on the left part of the machine head connecting cover plate 8-1 and is positioned on the left side of the movable knife 8-3.

Referring to fig. 1 to 8 and 23, the material receiving assembly 9 comprises a material discharging seat 9-1, a material pushing plate 9-2, a material blowing air pipe 9-3, a material pushing driving air cylinder 9-4 and a material pushing air cylinder guiding assembly 9-5.

The material placing seat 9-1 is fixedly arranged on the front part of the left part of the frame 1-1. The pushing material driving cylinder 9-4 is fixedly arranged on the left part of the frame 1-1 by a cylinder body and is positioned behind the discharging seat 9-1, and a piston rod of the pushing material driving cylinder extends forwards and is fixedly connected with the pushing material plate 9-2. The material pushing cylinder guide assembly 9-5 comprises 1 or 2 cylindrical shafts, in this embodiment, the cylindrical shafts are 2, and the 2 cylinders are respectively arranged on the left side and the right side of the material pushing driving cylinder 9-4. The 2 cylindrical shaft barrels are arranged on the rack 1-1 in a sliding mode in the front-back direction through corresponding linear bearings, and the front ends of the 2 cylindrical shafts are fixedly connected to the rear side of the material pushing plate 9-2 through corresponding flanges. Thereby the material pushing driving cylinder 9-4 drives the material pushing plate 9-2 to move back and forth. The blowing air pipe 9-3 is horizontally and fixedly arranged on the upper part of the material pushing plate 9-2 along the left-right direction, and the blowing air pipe 9-3 is provided with a group of blowing holes 9-31 with forward holes along the axial direction.

Referring to fig. 1 to 8 and 23, the auxiliary feeding assembly 10 includes an auxiliary feeding synchronous belt 10-1, an auxiliary feeding first synchronous pulley 10-2, an auxiliary feeding second synchronous pulley 10-3, an auxiliary feeding motor 10-4, an auxiliary feeding driving synchronous pulley, an auxiliary feeding driven synchronous pulley 10-6, an auxiliary feeding driving synchronous belt 10-7 and a discharging guide plate 10-8.

The auxiliary feeding first synchronous belt wheel 10-2 and the auxiliary feeding driven synchronous belt wheel 10-6 are coaxially and rotatably arranged on the front end of the left part of the machine frame 1-1. An auxiliary feeding motor 10-4 is fixedly arranged on the left part of the frame 1-1, an auxiliary feeding driving synchronous belt pulley is arranged on a motor shaft of the auxiliary feeding motor 10-4 in a transmission way, and an auxiliary feeding driving synchronous belt 10-7 is arranged around the auxiliary feeding driving synchronous belt pulley and an auxiliary feeding driven synchronous belt pulley 10-6. An auxiliary feeding second synchronous belt wheel 10-3 is rotatably arranged on the right part of the rack 1-1, an auxiliary feeding synchronous belt 10-1 is arranged around the auxiliary feeding first synchronous belt wheel 10-2 and the auxiliary feeding second synchronous belt wheel 10-3, and the upper surface of the auxiliary feeding synchronous belt 10-1 is level with the upper surface of the first bedplate 1-2 and is positioned in front of the first bedplate 1-2. The discharging guide plate 10-8 is fixedly arranged on the left part of the front side of the rack 1-1 and positioned in the middle of the auxiliary feeding synchronous belt 10-1, the right part of the front part of the discharging guide plate is provided with a guide inclined plane, the right part of the guide inclined plane is backward, the left part of the guide inclined plane is forward inclined, the right end of the guide inclined plane is positioned in the auxiliary feeding synchronous belt 10-1, the left part of the discharging guide plate 10-8 extends forwards out of the auxiliary feeding synchronous belt 10-1, and the left end of the discharging guide plate 10-8 is positioned in front of the material pushing plate 9-2.

The sewing equipment of the invention is used for about gram sewing: the rear part of the rear trouser body 100-1 is placed on the right part of the first working panel 1-3, the rear side is attached to the front side of the upper positioning backup plate 1-3a, and the corresponding part of the front part of the rear trouser body naturally droops (the drawing shows the schematic drawing when the rear trouser body 100-1 is flatly unfolded) is positioned on the auxiliary feeding synchronous belt 10-1. The front part of the York cloth 100-2 is placed on the second working panel 1-5, and the front side is attached to the positioning leaning plate part 1-5 a.

The rear width trouser body 100-1 is pressed on the feeding plate 7-1 to be conveyed leftwards by the corresponding part of the first upper feeding synchronous belt 4-1 and the second upper feeding synchronous belt 4-2 of the rear width trouser body feeding component 4. When the rear part of the rear trouser leg 100-1 contacts the trouser leg guide part 7-21 of the first wall plate 7-2 of the edge curling component 7, the rear trouser leg starts to be folded downwards and then enters the trouser leg feeding channel 7a to be vertical, and in the process of moving leftwards continuously, along with the rising of the first material folding plate 7-4, the part of the rear trouser leg 100-1 entering the trouser leg feeding channel 7a is folded forwards to be horizontal again.

Meanwhile, the lower feeding synchronous belt 5-1 and the pressing wheel 5-5 of the York feeding component 5 convey the York cloth 100-2 leftwards, when the front part of the York cloth 100-2 contacts with the York guide part 7-51 of the third wall plate 7-5, the York cloth starts to be folded upwards and then enters the York feeding channel 7b to be vertical, the lower feeding synchronous belt 5-1 pushes the York cloth 100-2 on the lower side of the first material folding plate 7-4 to continuously feed leftwards and upwards, and along with the rising of the first material folding plate 7-4, the part of the York cloth 100-2 entering the York feeding channel 7b is folded backwards to be horizontal and falls on the second material folding plate 7-7.

When the rear trouser body 100-1 comes out from the trouser body discharge hole 7d, the york cloth 100-2 comes out from the york discharge hole 7c, and the cloth is mutually curled and coated together. The corresponding part of the rear width trouser body 100-1 is pressed on the first working panel 1-3 by a first upper feeding synchronous belt 4-1 of the rear width trouser body feeding component 4 to continue feeding leftwards, and then the rear width trouser body 100-1 and the hem part of the jean cloth 100-2 are sewn together by a sewing machine head 3. After sewing, the first upper feeding synchronous belt 4-1 of the rear trouser body feeding component 4 feeds the rear trouser body 100-1 and the fabric 100-2 leftwards continuously. When the cloth enters between the tug 4-8 of the rear trouser body feeding component 4 and the feeding lower guide plate 8-101, the tug 4-8 assists feeding, the cloth is kept flat, and after the cloth passes between the fixed knife 8-2 and the movable knife 8-3, the movable knife 8-3 moves downwards to be matched with the fixed knife to cut off the sewing line.

The sewed rear trouser body 100-1 and the jean cloth 100-2 move leftwards to the discharge guide plate 10-8 and are guided between the discharge seat 9-1 and the material pushing plate 9-2 of the material receiving assembly 9. After the rear trouser body 100-1 and the jean cloth 100-2 are sent out from the left end of the first upper feeding synchronous belt 4-1 of the rear trouser body feeding assembly 4, the pushing material driving cylinder 9-4 of the receiving assembly 9 drives the pushing plate 9-2 to clamp and fix the corresponding part of the rear trouser body 100-1 on the discharging seat 9-1 forward, then the blowing air pipe 9-3 blows forward, so that the rear part of the rear trouser body 100-1 and the jean cloth 100-2 are turned over the discharging seat 9-1, and the rear trouser body 100-1 and the jean cloth 100-2 are placed on the discharging seat 9-1 to complete the finished product receiving, and the pushing plate 9-2 retreats to the lower part of the auxiliary feeding synchronous belt 10-1.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sewing device comprises a workbench component, a sewing machine head, a back trouser body feeding component, a joker feeding component and a crimping component; the workbench component comprises a rack, a first bedplate, a first working panel, a second bedplate and a second working panel; the first bedplate is horizontally and fixedly arranged on the front part of the upper part of the frame along the left-right direction, and the first working panel is horizontally and fixedly arranged on the rear part of the upper side of the first bedplate along the left-right direction; the second bedplate is horizontally and fixedly arranged on the right part of the upper part of the frame, is positioned behind the first bedplate and is lower than the first bedplate; the second working panel is horizontally and fixedly arranged on the front part of the second bedplate; the sewing machine head is fixedly arranged on the frame; the rear trouser body feeding component is arranged on the rack and conveys the rear trouser body from the right to the left from the first working panel; the method is characterized in that: the workbench component also comprises a York ascending bedplate which is fixedly arranged on the rack, is positioned on the left side of the second working panel, is obliquely arranged in a manner of being low at the right side and high at the left side, and the right end of the York ascending bedplate is connected with the left end of the second working panel; the joker feeding assembly is arranged on the right part of the rack and conveys the joker cloth from right to left; the edge curling component is arranged on the rack and positioned between the rear trouser body feeding component and the approximate gram feeding component; the rear cloth trouser body feeding assembly is turned up by the turning-up assembly when conveying the rear cloth trouser body from right to left, the York feeding assembly is turned up by the turning-up assembly when conveying the York cloth from right to left, the turning-up assembly enables the rear cloth trouser body and the York cloth to be mutually wrapped after being turned up, and the sewing machine head sews the parts of the rear cloth trouser body and the York cloth which are mutually wrapped by the turning-up edge.

2. The sewing apparatus of claim 1, wherein: the joker material pushing device also comprises a joker material pushing component; the joker material pushing assembly comprises a material pushing wheel; the front part of the second working panel is vertically provided with a positioning leaning plate part along the left-right direction; the material pushing wheel drives the york cloth to be attached to the positioning backing plate part forwards.

3. The sewing apparatus of claim 2, wherein: the york raking component also comprises a york driving seat, a raking driving cylinder, a raking lifting arm, a detection light eye and a detection reflector; the joker driving seat is fixedly arranged on the upper side of the second bedplate, the raking driving cylinder is rotationally arranged on the joker driving seat through a cylinder body, and the rotation axis of the raking driving cylinder is parallel to the second bedplate; the left end of the raking lifting arm is rotatably connected to the york driving seat, and the rotating axis of the raking lifting arm is parallel to the rotating axis of the cylinder body of the raking driving cylinder; a piston rod of the raking driving cylinder extends downwards, and the end of the piston rod is hinged to the middle of the raking lifting arm, so that the raking driving cylinder drives the right end of the raking lifting arm to lift or descend; the material raking wheel is rotatably arranged at the right end of the material raking lifting arm, the rotating axis of the material raking wheel is parallel to the second bedplate, the included angle between the rotating axis and the advancing direction of the York cloth from right to left is 5-40 degrees, the detection light eye is fixedly arranged at the left part of the front side of the second working panel, the detection reflector is fixedly arranged at the lower part of the rear side of the first working panel and matched with the detection light eye, and the detection light eye is used for detecting the York cloth.

4. The sewing apparatus of any one of claims 1 to 3, wherein: the hemming assembly comprises a feeding plate, a first wall plate, a second wall plate, a first material folding plate, a third wall plate, a fourth wall plate and a second material folding plate; the feeding plate is horizontally arranged along the left-right direction, the upper surface of the feeding plate is parallel to the first working panel on the middle part of the rack, the front part of the feeding plate is positioned in the first working panel, and the rear part of the feeding plate extends backwards out of the first working panel; the second wall plate is vertically arranged on the lower side of the rear edge of the feeding plate in the left-right direction, and the lower part of the second wall plate is obliquely arranged in a manner that the right part is lower and the left part is higher; the second material folding plate is arranged on the front side of the lower edge of the second wall plate and is obliquely arranged in a manner that the right side is lower and the left side is higher corresponding to the obliquely arranged edge of the lower part of the second wall plate; the fourth wall plate is vertically arranged on the lower side of the front edge of the second material folding plate in the left-right direction, and the lower part of the fourth wall plate is obliquely arranged in a mode that the right part is lower and the left part is higher; the first material folding plate is arranged on the rear side of the lower edge of the fourth wall plate and is obliquely arranged with the lower right and the higher left corresponding to the obliquely arranged edge of the lower part of the fourth wall plate; the first wall plate is vertically arranged on the upper side of the rear edge of the first baffle plate in the left-right direction, the upper part of the first wall plate is horizontally arranged, and a trouser body feeding channel is formed between the first wall plate and the second wall plate; the right end of the first wall plate is provided with a trousers body guide part which is bent backwards; the third wall plate is vertically arranged on the middle part of the lower side of the feeding plate in the left-right direction, and the lower edge of the third wall plate is obliquely arranged corresponding to the oblique arrangement of the first material folding plate with the lower right and the higher left; an approximate gram feeding channel is formed between the third wall plate and the fourth wall plate; the right end of the third wall plate is provided with a forward bent york guide part; a horizontal approximate gram discharge port is formed by the upper side of the left end of the first material folding plate and the lower side of the left end of the second material folding plate; the upper side of the left end of the second material folding plate and the lower side of the left end of the feeding plate form a horizontal trouser body discharge hole.

5. The sewing apparatus of any one of claims 1 to 3, wherein: the rear trouser body feeding component comprises a first upper feeding synchronous belt, a first feeding motor, a pressing device and an upper feeding mounting frame; a first feeding motor drives a first upper feeding synchronous belt to rotate for feeding; the pressing devices are provided with two groups, the upper feeding mounting frame is a hanging frame which is arranged on the corresponding group of pressing devices in a vertically sliding mode through the two fisheye joints, and the vertically sliding axis can swing through the fisheye joints.

6. The sewing apparatus according to one of claims 1 to 3, wherein: the York feeding assembly comprises a lower feeding synchronous belt, a second feeding motor, a pressing wheel and a lower feeding mounting seat; the second feeding motor drives the lower feeding synchronous belt to rotate for feeding;

the pressing wheel is rotationally arranged on the hemming assembly and matched with the lower feeding synchronous belt; the lower feeding mounting seat is arranged on the rack in a sliding mode, and the sliding direction of the lower feeding mounting seat is perpendicular to the plane where the rotating axis of the second lower synchronous belt wheel and the rotating axis of the first lower synchronous belt wheel are located.

7. The sewing apparatus according to one of claims 1 to 3, wherein: the device also comprises an adjusting workbench; the adjusting workbench comprises a machine head mounting plate, a first guide assembly and a knob plunger; the first guide assembly comprises two linear guide rails which are fixedly arranged on the left part of the rear part of the rack from left to right in sequence, the two linear guide rails are fixedly arranged on the rack from front to back through the respective guide rails, and each linear guide rail is provided with two sliding blocks; the machine head mounting plate is fixedly arranged on the four sliding blocks of the two linear guide rails; the knob plunger is fixedly arranged on the machine head mounting plate, and the plunger downwards penetrates through the machine head mounting plate and then extends into a corresponding positioning hole on the upper side of the guide rail of the right linear guide rail.

8. The sewing apparatus of any one of claims 1 to 3, wherein: the wire cutting machine also comprises a wire cutting component; the line cutting assembly comprises a machine head connecting cover plate, a fixed cutter, a movable cutter, a fixed cutter mounting seat, a movable cutter connecting seat, a movable cutter driving cylinder and a movable cutter pressing assembly;

the machine head connecting cover plate is fixedly arranged on the sewing machine head and positioned on one side of the discharging direction of the sewing machine head, the upper surface of the machine head connecting cover plate is level with a machine head bedplate of the sewing machine head, and a material cutting hole penetrating through the machine head connecting cover plate is arranged on the machine head connecting cover plate; the fixed knife mounting seat is fixedly arranged on the lower side of the machine head connecting cover plate, and the fixed knife is fixedly arranged on the right part of the fixed knife mounting seat and positioned in the material cutting hole of the machine head connecting cover plate; the movable knife connecting seat is fixedly arranged on the left side of the upper part of the sewing machine head; the moving blade driving cylinder drives the moving blade to move up and down and form shearing action with the fixed blade below; the movable knife is arranged on the movable knife mounting seat in a left-right sliding manner; the movable knife pressing assembly comprises a pressing spring and a pressing bolt, the pressing bolt penetrates through the movable knife from left to right and then is screwed on the movable knife mounting seat, and the pressing spring is arranged on the pressing bolt and positioned between the head of the pressing bolt and the movable knife to press the movable knife rightwards; the rear part of the movable cutter is provided with a guide part, the right side of the guide part is provided with a guide inclined plane, the guide inclined plane is arranged in a manner of being higher at the right side and lower at the left side, and the guide inclined plane is always contacted with the cutting edge of the fixed cutter; thereby move the sword and compress tightly the elasticity setting on moving the sword mount pad through moving the sword.

9. The sewing apparatus of any one of claims 1 to 3, wherein: the device also comprises a material receiving assembly; the material receiving assembly comprises a material discharging seat, a material pushing plate, a material blowing air pipe, a material pushing driving cylinder and a material pushing cylinder guiding assembly; the discharging seat is fixedly arranged on the front part of the left part of the frame; the pushing driving cylinder is fixedly arranged on the left part of the rack by a cylinder body and is positioned behind the discharging seat, and a piston rod of the pushing driving cylinder extends forwards and is fixedly connected with the pushing plate; the pushing cylinder guide assembly comprises 1 or 2 cylindrical shafts, each cylindrical shaft barrel is arranged on the rack in a sliding mode in the front-back direction through a corresponding linear bearing, and the front end of each cylindrical shaft is fixedly connected to the rear side of the pushing plate through a corresponding flange; thereby the pushing driving cylinder drives the pushing plate to move back and forth; the material blowing air pipe is horizontally and fixedly arranged on the upper part of the material pushing plate along the left-right direction, and a group of air blowing holes with forward holes are formed in the material blowing air pipe along the axial direction.

10. The sewing apparatus of any one of claims 1 to 3, wherein: the device also comprises an auxiliary feeding component; the auxiliary feeding assembly comprises an auxiliary feeding synchronous belt, an auxiliary feeding first synchronous belt pulley, an auxiliary feeding second synchronous belt pulley, an auxiliary feeding motor, an auxiliary feeding driving synchronous belt pulley, an auxiliary feeding driven synchronous belt pulley, an auxiliary feeding driving synchronous belt and a discharging guide plate; the auxiliary feeding first synchronous belt pulley and the auxiliary feeding driven synchronous belt pulley are coaxially and rotatably arranged on the front end of the left part of the rack; the auxiliary feeding motor is fixedly arranged on the left part of the rack, the auxiliary feeding driving synchronous belt pulley is arranged on a motor shaft of the auxiliary feeding motor in a transmission way, and the auxiliary feeding driving synchronous belt is arranged around the auxiliary feeding driving synchronous belt pulley and the auxiliary feeding driven synchronous belt pulley; the auxiliary feeding second synchronous belt wheel is rotatably arranged on the right part of the rack, the auxiliary feeding synchronous belt is arranged around the auxiliary feeding first synchronous belt wheel and the auxiliary feeding second synchronous belt wheel, and the upper surface of the auxiliary feeding synchronous belt is parallel to the upper surface of the first bedplate and is positioned in front of the first bedplate; the discharging guide plate is fixedly arranged on the left portion of the front side of the rack and located in the middle of the auxiliary feeding synchronous belt, a guide inclined plane is arranged on the right portion of the front portion of the discharging guide plate, the right portion of the guide inclined plane is backward, the left portion of the guide inclined plane is forward inclined, the right end of the guide inclined plane is located in the auxiliary feeding synchronous belt, and the left portion of the discharging guide plate extends forwards out of the auxiliary feeding synchronous belt.