CN114737322B

CN114737322B - sewing equipment

Info

Publication number: CN114737322B
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: 2023-09-15
Anticipated expiration: 2042-03-23
Also published as: CN114737322A

Abstract

The invention discloses sewing equipment which comprises a workbench assembly, a sewing machine head, a rear trouser body feeding assembly, a york feeding assembly and a hemming assembly. The sewing machine head is fixedly arranged on the frame. The rear leg feeding assembly is arranged on the frame and conveys the rear leg from the first working panel to the left. The key point of the device is that the york feeding assembly is arranged on the right part of the frame, and the york feeding assembly conveys york cloth from right to left. The hemming assembly is arranged on the frame and is positioned between the rear pants body feeding assembly and the about gram feeding assembly. The back width trousers body feeding component is curled by the curling component when the back width trousers body is conveyed from right to left, the joker feeding component is curled by the curling component when the joker cloth is conveyed from right to left, the curling component enables the back width trousers body and the joker cloth to be mutually wrapped after being curled, and the sewing machine head is used for sewing the parts of the back width trousers body and the joker cloth, which are mutually curled and wrapped.

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

The jeans are generally made of indigo washing fabrics such as jean, the front body trousers piece is free from gathers, the back body trousers piece is free from provinces, the front fly is provided with a zipper, the left and right sides of the front body trousers piece are respectively provided with an inclined pocket, the back piece is provided with two pockets for sticking the waist, the seam of the pocket mouth is nailed with a metal rivet and is pressed with open line decoration, and the jeans have the characteristics of wear resistance, dirt resistance, close fitting and comfort. Jeans are used as a pair of casual pants for men and women, which can be called stars which never wither all the year round, and are listed as 'the first of the wild clothing'. The jeans are also increasingly provided with more and more fabric and color, for example, the jeans and the micro-horn pants can enable women with thick legs to be strong and beautiful and long, and the briefs can enable fat women to become slim, thin women to become feel and the like. The jeans with the jeans back panels are cut pieces for connecting the waist and the jeans body, are generally oblique cut pieces, have arc-shaped effect, have the effect of reducing the back bag to highlight the buttocks and have a relatively sensitive and attractive effect.

Disclosure of Invention

The invention aims to provide an upper york sewing device for jeans york sewing, which is simple in structure.

The basic technical scheme for realizing the aim of the invention is as follows: a sewing device comprises a workbench component, a sewing machine head, a rear trouser body feeding component, a york feeding component and a hemming component. The table assembly includes a frame, a first platen, a first work panel, a second platen, and a second work panel. The first platen 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 platen 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 work panel is horizontally and fixedly arranged on the front part of the second bedplate. The york lifting bedplate is fixedly arranged on the frame and positioned at the left side of the second working panel and is arranged in a manner of low right and high left in an inclined manner, and the right end of the york lifting bedplate is connected with the left end of the second working panel. The sewing machine head is fixedly arranged on the frame. The rear leg feeding assembly is arranged on the frame and conveys the rear leg from the first working panel to the left. The structure is characterized in that: the workbench assembly further comprises a jockey lifting bedplate which is fixedly arranged on the frame and positioned at the left side of the second working panel, is obliquely arranged at the right side of the second working panel in a low left high way, and the right end of the jockey lifting bedplate is connected with the left end of the second working panel; the york feeding component is arranged on the right part of the frame and conveys the york cloth from right to left. The hemming assembly is arranged on the frame and is positioned between the rear pants body feeding assembly and the about gram feeding assembly. The back width trousers body feeding component is curled by the curling component when the back width trousers body is conveyed from right to left, the joker feeding component is curled by the curling component when the joker cloth is conveyed from right to left, the curling component enables the back width trousers body and the joker cloth to be mutually wrapped after being curled, and the sewing machine head is used for sewing the parts of the back width trousers body and the joker cloth, which are mutually curled and wrapped.

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

Further, the Joker raking assembly further comprises a Joker driving seat, a raking driving cylinder, a raking lifting arm, a detection light eye and a detection reflecting plate; the joker driving seat is fixedly arranged on the upper side of the second platen, the raking driving cylinder is rotatably arranged on the joker driving seat through a cylinder body of the raking driving cylinder, and the rotation axis of the raking driving cylinder is parallel to the second platen; the left end of the raking lifting arm is rotationally connected to the joker driving seat, and the rotation axis of the raking lifting arm is parallel to the rotation axis of the cylinder body of the raking driving cylinder; the piston rod of the raking driving cylinder extends downwards, and the end head of the piston rod is hinged to the middle part of the raking lifting arm, so that the right end of the raking lifting arm is driven by the raking driving cylinder to lift or descend; the material raking wheel rotates to be set up on the right-hand member of raking lifting arm, and its axis of rotation is on a parallel with the second platen, the axis of rotation is 5 to 40 degrees with the contained angle of the direction of advance of about the cloth from right to left, and the fixed setting of detection light eye is on the front side left part of second work panel, and the fixed setting of detection reflector panel is on the rear side lower part of first work panel, cooperatees with the detection light eye, detects light eye and is used for detecting about the cloth. The degree of automation is higher, improves the reliability.

Further, to enhance the coating quality, the hemming assembly includes a feed plate, a first wall plate, a second wall plate, a first baffle, a third wall plate, a fourth wall plate, and a second baffle. The feeding plate is horizontally arranged along the left and right directions, the upper surface of the feeding plate is leveled with the first working panel on the middle part of the frame, 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. The second wallboard is vertically arranged on the lower side of the edge of the rear part of the feeding plate along the left-right direction, and the lower part of the second wallboard is obliquely arranged in a right-low left-high way. The second material folding plate is arranged on the front side of the lower edge of the second wall plate and is obliquely arranged at the right lower left higher position corresponding to the edge obliquely arranged at 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 folded plate along the left-right direction, and the lower part of the fourth wall plate is obliquely arranged in a right-low left-high mode. The first material folding plate is arranged on the rear side of the lower edge of the fourth wall plate and is obliquely arranged at right low left high corresponding to the edge obliquely arranged at the lower part of the fourth wall plate. The first wallboard is vertically arranged on the upper side of the edge of the rear part of the first material folding plate along the left-right direction, the upper part of the first wallboard is horizontally arranged, and a trouser body feeding channel is formed between the first wallboard and the second wallboard. The right end of the first wall plate is provided with a trouser body guiding part which is bent backwards. The third wallboard is vertically arranged on the middle part of the lower side of the feeding plate along the left-right direction, and the lower edge of the third wallboard is correspondingly inclined with the inclined arrangement of the first material folding plate with low right and high left. A gram feed 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 gram guide part which is bent forwards. 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 trousers body discharging 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 joker discharge hole.

Further, the hemming assembly further comprises a first guide rod and a second guide rod; the first guide rod is fixedly arranged on the trouser body guide part and positioned behind the first wall plate, is obliquely arranged with the right rear high left front low, and has the right end higher than the feeding plate and the left end lower than the feeding plate. The second guide rod is fixedly arranged on the about gram guide part and is obliquely arranged with the right front lower part, the left rear higher part, the right end is lower than the second working panel, and the left end is higher than the lowest part of the first material folding plate.

Further, the first guide rod of the hemming assembly is a hollow air pipe, and a group of blow holes with holes facing the front lower direction 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 blow holes with holes facing upwards and backwards are arranged on the second guide rod along the axis of the second guide rod.

Further, in order to guarantee that the feeding is level, the back width of cloth trousers body feeding assembly includes first feeding hold-in range, first feeding motor, first synchronous pulley, second synchronous pulley, closing device and last feeding mounting bracket on going up. The two groups of pressing devices have the same structure and comprise an elastic pressing sheet, an elastic sheet stop lever, a hand-screwed nut and a hanging bracket. The upper feeding mounting frame is arranged on the hanging frame of the corresponding group of pressing devices in a vertical sliding mode through the two fish-eye joints, and the axis sliding up and down can swing through the fish-eye 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 piece is fixedly arranged on the upper feeding installation frame, and the elastic piece stop lever is fixedly arranged on the hanging bracket. The rear end of the elastic pressing piece is pressed on the elastic piece stop lever from top to bottom. The hand-screwed nut is screwed on the hanging bracket, and the lower end of the hand-screwed nut props against the corresponding part of the elastic pressing piece from top to bottom.

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

Further, the rear pants body feeding assembly further comprises a second upper feeding synchronous belt, a third upper synchronous belt pulley, a tug synchronous belt pulley, tugs and synchronous belt pulley groups. The third upper synchronous pulley is rotatably arranged on the middle part of the upper feeding mounting frame.

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

The tug synchronous pulley and the tug are rotatably arranged on the upper feeding mounting frame through the same rotating shaft and positioned at the left side of the third upper synchronous pulley, the tug synchronous pulley is matched with the first upper synchronous pulley, and the first upper synchronous pulley drives the tug synchronous pulley to rotate when rotating.

The upper synchronous belt wheel sets are provided with two groups, one group of upper synchronous belt wheel sets is arranged between the second upper synchronous belt wheel and the third upper synchronous belt wheel, and each synchronous belt wheel of the group of upper synchronous belt wheel sets is arranged on the upper feeding mounting frame through respective corresponding torsion springs in a rotating mode, and the torsion springs give downward force to the synchronous belt wheels, so that the synchronous belt wheels can always keep good contact with the first upper feeding synchronous belt and the second upper feeding synchronous belt. The other group of upper synchronous belt wheel sets are arranged between the first upper synchronous belt wheel and the tug synchronous belt wheel, and each synchronous belt wheel of the group of upper synchronous belt wheel sets is arranged on the upper feeding mounting frame through corresponding torsion springs in a rotating mode, and the torsion springs give downward force to the synchronous belt wheels, so that the synchronous belt wheels can always keep good contact with the first upper feeding synchronous belt.

Further, in order to guarantee that the feeding of the jockey cloth is smooth, the jockey 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 installation seat. The front part of the second working panel is vertically provided with a positioning backup 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 pulley is rotatably arranged on the right part of the lower feeding mounting seat, the rotation axis of the first lower synchronous pulley is horizontally arranged along the front-back direction, and the second feeding motor drives the first lower synchronous pulley to rotate through a corresponding coupler and a driving shaft. The second lower synchronous pulley is rotatably arranged on the left part of the lower feeding mounting seat, the rotation axis of the second lower synchronous pulley is horizontally arranged along the front-back direction, and the rotation axis of the second lower synchronous pulley is higher than that of the first lower synchronous pulley. The rotation axis of the second lower synchronous pulley and the plane of the rotation axis of the first lower synchronous pulley are arranged in a left-high right-low inclined mode. The lower feeding synchronous belt is arranged around the first lower synchronous pulley and the second lower synchronous pulley, is positioned on the front side of the about-gram lifting table plate, and has the upper surface which is level with the upper surface of the about-gram lifting table plate. The pressing wheel is rotatably arranged on the hemming assembly and matched with the lower feeding synchronous belt. Each synchronous pulley of the lower synchronous pulley group is arranged on the lower feeding mounting seat through corresponding torsion springs in a rotating mode, and the torsion springs give upward force to the synchronous pulleys, so that the synchronous pulleys can always keep good contact with the lower feeding synchronous belt. The lower feeding installation seat is arranged on the frame in a sliding manner, and the sliding direction of the lower feeding installation seat is perpendicular to the plane where the rotation axis of the second lower synchronous pulley and the rotation axis of the first lower synchronous pulley are located.

Further, for convenient maintenance and service, 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 sequentially and fixedly arranged on the left part of the rear part of the frame from left to right, the two linear guide rails are fixedly arranged on the frame along the front and rear directions by respective guide rails, and each linear guide rail is provided with two sliding blocks. The machine head mounting plate is fixedly arranged on four sliding blocks of the two linear guide rails. The knob plunger is fixedly arranged on the machine head mounting plate, and the plunger penetrates through the machine head mounting plate downwards and then stretches into a corresponding positioning hole on the upper side of the right linear guide rail.

Further, in order to effectively cut off the connecting wire, a tangent assembly is also included. The wire 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 compacting assembly.

The machine head connecting cover plate is fixedly arranged on the sewing machine head and positioned at one side of the discharging direction of the sewing machine head, the upper surface of the machine head connecting cover plate is flat with a machine head platen of the sewing machine head, and a blanking hole penetrating through the machine head connecting cover plate is formed in the machine head connecting cover plate. The stationary knife mount pad is fixed to be established on the downside of aircraft nose connection apron, and the stationary knife is fixed to be set up on the right part of stationary knife mount pad, is arranged in the blank hole of aircraft nose connection apron. 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 is driven by the movable knife driving cylinder to move up and down along the movable knife guide assembly so as to form shearing action with the fixed knife below. The movable knife is arranged on the movable knife mounting seat in a sliding way along the left-right direction. The movable cutter compressing assembly comprises a compressing spring and a compressing bolt, the compressing bolt passes through the movable cutter from left to right and then is screwed on the movable cutter mounting seat, the compressing spring is arranged on the compressing bolt and is positioned between the head of the compressing bolt and the movable cutter, and the movable cutter is pressed right. The rear part of the movable knife 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 way of being higher on the right and lower on the left, and the guide inclined plane is always contacted with the cutting edge of the fixed knife. Therefore, the movable knife is elastically arranged on the movable knife mounting seat through the movable knife pressing assembly, good contact is kept, and effective cutting of the connecting line is ensured.

Further, the device also comprises a material receiving component. 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 guide 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 frame by the cylinder body and positioned at the rear of the discharging seat, and the 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 cylinder shafts, each cylinder shaft barrel is arranged on the frame in a sliding mode along the front-back direction through a corresponding linear bearing, and the front ends of the cylinder shafts are fixedly connected to the rear side of the pushing plate through corresponding flanges. Thereby the pushing plate is driven to move back and forth by the pushing driving cylinder. 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 openings are formed in the material blowing air pipe along the axial direction.

Further, in order to ensure the linearity and consistency of the feeding of the rear pants body, the auxiliary feeding assembly is further included. 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 pulley and the auxiliary feeding driven synchronous pulley are coaxially and rotatably arranged on the front end of the left part of the frame. The auxiliary feeding motor is fixedly arranged on the left part of the frame, the auxiliary feeding driving synchronous pulley is arranged on a motor shaft of the auxiliary feeding motor in a transmission manner, and the auxiliary feeding driving synchronous belt is arranged around the auxiliary feeding driving synchronous pulley and the auxiliary feeding driven synchronous pulley. The auxiliary feeding second synchronous belt wheel is rotatably arranged on the right part of the frame, the auxiliary feeding synchronous belt is arranged around the auxiliary feeding first synchronous belt wheel and the auxiliary feeding second synchronous belt wheel, the upper surface of the auxiliary feeding synchronous belt is leveled with the upper surface of the first platen, and the auxiliary feeding synchronous belt is positioned in front of the first platen. The discharging guide plate is fixedly arranged on the left part of the front side of the frame and positioned in the middle of the auxiliary feeding synchronous belt, 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 backwards, the left part of the guide inclined plane is obliquely arranged forwards, the right end of the guide inclined plane is positioned in the auxiliary feeding synchronous belt, and the left part 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' yoke sewing, finishes receiving materials, 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 conveniently move forwards and backwards, and the maintenance is convenient.

(3) The upper feeding mounting frame of the rear trousers body feeding assembly of the sewing equipment is arranged on the hanging frame in a vertically sliding mode through the two fish eye joints, and the axis of the vertical sliding can swing through the fish eye joints, so that the automatic adjustment can adapt to the change of different cloth thicknesses, the upper feeding mounting frame is pressed down on the cloth through the two groups of pressing devices, the slippage is not easy in the conveying process, and the feeding is reliable.

(4) The rear trouser body feeding component of the sewing equipment is provided with the tugboat, so that the smoothness of the cloth during sewing is ensured on one hand, and the cloth is facilitated to enter the tangent line component on the other hand.

(5) The front side of some of the york cloth is provided with the radian, and the sewing equipment is provided with the york raking assembly, so that the front side of the york cloth is accurately positioned, and is always aligned forward by side, the feeding quality is ensured, and the rear trousers body and the york cloth are well hemmed and coated.

(6) The hemming assembly of the sewing equipment can enable the rear pants body and the york cloth to be mutually hemmed and coated together, 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, and the thread cutting assembly is also provided with the waste air suction pipe, so that scraps generated by cutting can be collected, the cleanliness of the working environment is improved, and pollution is reduced.

(8) The sewing equipment is provided with the material receiving assembly, and can store and collect the sewn back trousers body and the york cloth.

(9) The auxiliary feeding assembly is arranged on the sewing equipment, so that the accuracy of feeding is improved, the hemming sewing quality is improved, the linearity and consistency of feeding of the rear pants body are ensured, and the inconsistency of hemming width caused by the inclination of the rear pants body is avoided.

Drawings

Fig. 1 is a schematic structural view of a sewing apparatus of the present invention.

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

Fig. 3 is a left-hand schematic view of fig. 1.

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

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

Fig. 6 is a schematic view as seen from the upper left front of fig. 1.

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

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

Fig. 9 is a schematic view of the structure with the sewing head removed as viewed from the upper left rear of fig. 1.

Fig. 10 is an enlarged schematic view of the rear chassis feed assembly as viewed from the rear of fig. 1.

Fig. 11 is an enlarged schematic view of the rear chassis feed assembly as viewed from the lower right front of fig. 1.

Fig. 12 is an enlarged schematic view of the rear chassis feed assembly as viewed from the upper left rear of fig. 1.

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

Fig. 14 is an enlarged schematic view of the jockey feed assembly and the hemming assembly as viewed from the upper right rear of fig. 1.

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

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

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

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

Fig. 19 is an enlarged schematic view of the cake raking assembly as viewed from the upper right rear of fig. 1.

Fig. 20 is an enlarged schematic view of the tangent line assembly as seen from the upper left front of fig. 1.

Fig. 21 is an enlarged schematic view of the tangential component as seen from the upper right rear of fig. 1.

Fig. 22 is an enlarged schematic view of the movable blade of the tangential assembly as viewed from the front left and upper side of fig. 1.

Fig. 23 is an enlarged schematic view of the collecting assembly and the auxiliary feeding assembly as seen from the upper right side of fig. 1.

The reference numerals in the drawings are:

a workbench assembly 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 and a lifting bedplate 1-7,

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

the sewing machine head 3 is provided with a sewing machine head,

the rear pants body feeding component 4, the first upper feeding synchronous belt 4-1, the second upper feeding synchronous belt 4-2, the first feeding motor 4-3, the first upper synchronous belt pulley 4-4, the second upper synchronous belt pulley 4-5, the third upper synchronous belt pulley 4-6, the tug synchronous belt pulley 4-7, the tug 4-8, the pressing device 4-9, the elastic pressing piece 4-91, the hand nut 4-93, the hanging bracket 4-94, the upper synchronous belt pulley group 4-10, the upper feeding installation frame 4-11 and the discharging pressing plate 4-12,

a jockey feeding assembly 5, a lower feeding synchronous belt 5-1, a first lower synchronous pulley 5-2, a second lower synchronous pulley 5-3, a second feeding motor 5-4, a pinch roller 5-5, a lower synchronous pulley group 5-6, a lower feeding installation seat 5-7,

a joker raking assembly 6, a joker 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 plate 6-6,

Hemming assembly 7, feed plate 7-1, first wall plate 7-2, leg guide 7-21, second wall plate 7-3, first blanking plate 7-4, third wall plate 7-5, about guide 7-51, fourth wall plate 7-6, second blanking plate 7-7, first guide rod 7-8, second guide rod 7-9, leg feed channel 7a, about feed channel 7b, leg discharge port 7c, about discharge port 7d,

the cutting assembly 8, the waste air suction pipe 8a, the machine head connecting cover plate 8-1, the fixed cutter 8-2, the movable cutter 8-3, the guide part 8-31, the fixed cutter mounting seat 8-4, the movable cutter mounting seat 8-5, the movable cutter connecting seat 8-6, the movable cutter driving cylinder 8-7, the movable cutter guide assembly 8-8, the movable cutter compressing assembly 8-9, the blanking guide assembly 8-10, the feeding lower guide plate 8-101, the feeding upper guide plate 8-102, the discharging lower guide block 8-103,

a receiving component 9, a discharging seat 9-1, a pushing plate 9-2, a blowing air pipe 9-3, a pushing driving air cylinder 9-4, a pushing air cylinder guiding component 9-5,

an auxiliary feeding assembly 10, an auxiliary feeding synchronous belt 10-1, an auxiliary feeding first synchronous belt pulley 10-2, an auxiliary feeding second synchronous belt pulley 10-3, an auxiliary feeding motor 10-4, an auxiliary feeding driven synchronous belt pulley 10-6, an auxiliary feeding driving synchronous belt 10-7, a discharging guide plate 10-8,

the rear pants body 100-1, about gram of cloth 100-2.

Detailed Description

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

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish 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," and the like indicate orientations or positional relationships based on the positional relationships described in the drawings, and are merely used to facilitate describing the invention or simplify the description, and do not indicate a particular orientation that must be assumed.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1 to 23, the upper york sewing device of the present invention includes a workbench assembly 1, an adjusting workbench 2, a sewing machine head 3, a rear pants body feeding assembly 4, a york feeding assembly 5, a york raking assembly 6, a hemming assembly 7, a cutting assembly 8, a material receiving assembly 9 and an auxiliary feeding assembly 10.

Referring to fig. 1 to 9, the table assembly 1 includes a frame 1-1, a first table plate 1-2, a first work panel 1-3, a second table plate 1-4, a second work panel 1-5, a discharging table plate 1-6, and a raising table plate 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 fixedly and jogged 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 leveled with 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 horizontally embedded and connected with the front part of the second bedplate 1-4, 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 backup 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, so that the rear pants body 100-1 and the about gram cloth 100-2 can slide on the surfaces of the front pants body and the about gram cloth. The yoke lifting bedplate 1-7 is fixedly arranged on the frame 1-1 and positioned at the left side of the second working panel 1-5, is obliquely arranged at the right side lower left side higher left side, and the right end of the yoke lifting bedplate is connected with the left end of the second working panel 1-5.

Referring to fig. 1 to 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 sequentially and fixedly arranged on the left part of the rear part of the frame 1-1 from left to right, the two linear guide rails are fixedly arranged on the frame 1-1 along the front and rear directions by 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 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, and the plunger penetrates through the machine head mounting plate 2-1 downwards and then stretches 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 machine head mounting plate needs to move, the handle of the knob plunger 2-3 is pulled upwards, the knob plunger 2-3 is withdrawn upwards from the positioning hole on the guide rail of the linear guide rail, and the machine head mounting plate 2-1 can move forwards and backwards 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 pants body feeding assembly 4 includes 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 pulley 4-4, a second upper synchronous pulley 4-5, a third upper synchronous pulley 4-6, a tug synchronous pulley 4-7, a tug 4-8, a pressing device 4-9, a synchronous belt wheel set 4-10, an upper feeding mounting frame 4-11 and a discharge platen 4-12.

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

The two groups of pressing devices 4-9 are respectively arranged at the left side and the right side of the sewing machine head 3. The hanger 4-94 of the pressing device 4-9 on the right side is fixedly provided on the second platen 1-4, and the hanger 4-94 of the pressing device 4-9 on the left side is fixedly provided on the left rear portion of the first platen 1-2. The front end of the elastic pressing piece 4-91 is fixedly arranged on the upper feeding installation frame 4-11, and the elastic piece stop lever is fixedly arranged on the hanging frame 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 nuts 4-93 are screwed on the hanging frame 4-94, and the lower ends of the hand-screwed nuts are propped against the corresponding parts of the elastic pressing sheets 4-91 from top to bottom, so that the upper feeding mounting frame 4-11 is pressed downwards, and automatic adjustment and adaptation are realized through fish-eye joints.

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 pulley 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 pulley 4-4 to rotate through a corresponding coupler and a driving shaft. The second upper timing pulley 4-5 is rotatably provided on the right portion of the upper feed mount 4-11. The third upper timing pulley 4-6 is rotatably provided on the middle portion of the upper feed mounting frame 4-11. The first upper timing pulley 4-4 is disposed around the first upper timing pulley 4-4 and the second upper timing pulley 4-5, and is cooperatively driven with the third upper timing pulley 4-6. The portion of the first upper feed timing belt 4-1 located 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 work panel 1-3. The second upper feed timing belt 4-2 is disposed around the second upper timing pulley 4-5 and the third upper timing pulley 4-6.

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

The upper synchronous belt wheel sets 4-10 are provided with two groups, one group of upper synchronous belt wheel set 4-10 is arranged between the second upper synchronous belt wheel 4-5 and the third upper synchronous belt wheel 4-6, and each synchronous belt wheel of the group of upper synchronous belt wheel sets 4-10 is arranged on the upper feeding mounting frame 4-11 through respective corresponding torsion springs in a rotating way, and the torsion springs apply downward force to the synchronous belt wheels, so that the synchronous belt wheels can always keep 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 belt wheel groups 4-10 are arranged between the first upper synchronous belt wheel 4-4 and the tug synchronous belt wheel 4-7, and each synchronous belt wheel of the group of upper synchronous belt wheel groups 4-10 is arranged on the upper feeding mounting frame 4-11 through respective corresponding torsion springs in a rotating way, and the torsion springs apply downward force to the synchronous belt wheels, so that the synchronous belt wheels can always keep good contact with the first upper feeding synchronous belt 4-1.

Referring to fig. 13 and 14, the joker feed assembly 5 includes a lower feed timing belt 5-1, a first lower timing pulley 5-2, a second lower timing pulley 5-3, a second feed motor 5-4, a pinch roller 5-5, a lower timing pulley set 5-6, and a lower feed mount 5-7.

The second feeding motor 5-4 is fixedly arranged on the right part of the frame 1-1. The first lower synchronous pulley 5-2 is rotatably arranged on the right part of the lower feeding mounting seat 5-7, the rotation axis of the first lower synchronous pulley is horizontally arranged along the front-back direction, and the second feeding motor 5-4 drives the first lower synchronous pulley 5-2 to rotate through a corresponding coupler and a driving shaft. The second lower synchronous pulley 5-3 is rotatably arranged on the left part of the lower feeding mounting seat 5-7, the rotation axis of the second lower synchronous pulley 5-3 is horizontally arranged along the front-back direction, and the rotation axis of the second lower synchronous pulley 5-3 is higher than that of the first lower synchronous pulley 5-2. The rotation axis of the second lower synchronous pulley 5-3 and the rotation axis of the first lower synchronous pulley 5-2 are arranged in a left-high right-low inclined manner. The lower feed timing belt 5-1 is disposed around the first lower timing pulley 5-2 and the second lower timing pulley 5-3, the lower feed timing belt 5-1 being located on the front side of the about gram-rise platen 1-7 with its upper surface not lower than the upper surface of the about gram-rise platen 1-7. The pressing wheel 5-5 is rotatably arranged on the hemming assembly 7 and matched with the lower feeding synchronous belt 5-1, and when in use, the joker cloth 100-2 is pressed on the lower feeding synchronous belt 5-1, so that the feeding is not easy to slip. Each synchronous pulley of the lower synchronous pulley group 5-6 is rotatably arranged on the lower feeding mounting seat 5-7 through a corresponding torsion spring, and the torsion spring applies upward force to the synchronous pulley, so that the synchronous pulley can always keep good contact with the lower feeding synchronous pulley 5-1. The lower feeding mounting seat 5-7 is slidably arranged on the frame 1-1, and the sliding direction of the lower feeding mounting seat is perpendicular to the plane where the rotation axis of the second lower synchronous pulley 5-3 and the rotation axis of the first lower synchronous pulley 5-2 are located.

Referring to fig. 19, the pick-up assembly 6 includes a pick-up driving seat 6-1, a pick-up driving cylinder 6-2, a pick-up lifting arm 6-3, a pick-up wheel 6-4, a detection eye 6-5, and a detection reflector 6-6. The joker driving seat 6-1 is fixedly arranged on the upper side of the second bedplate 1-4, and the raking driving cylinder 6-2 is rotatably arranged on the joker driving seat 6-1 by a cylinder body thereof, and the rotation axis of the raking driving cylinder is parallel to the second bedplate 1-4. The left end of the raking lifting arm 6-3 is rotatably connected to the joker driving seat 6-1, and the rotation axis of the raking lifting arm is parallel to the rotation 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 head of the piston rod is hinged to the middle part of the raking lifting arm 6-3, so that the right end of the raking lifting arm 6-3 is driven by the raking driving cylinder 6-2 to lift or descend. The raking wheel 6-4 is rotatably disposed on the right end of the raking lifting arm 6-3, and the rotation axis thereof is parallel to the second platen 1-4, and the included angle between the rotation axis and the advancing direction of the york cloth 100-2 from right to left is 5 to 40 degrees, which is 20 degrees in this embodiment. The detection light eye 6-5 is fixedly arranged on the left part of the front side of the second working panel 1-5, the detection light reflecting plate 6-6 is fixedly arranged on the lower part of the rear side of the first working panel 1-3 and matched with the detection light eye 6-5, the detection light eye 6-5 is used for detecting whether the front part of the Joker cloth 100-2 is attached to the positioning backup plate part 1-5a, when the Joker cloth 100-2 cannot be detected, the raking driving cylinder 6-2 drives the raking wheel 6-4 to downwards press on the Joker cloth 100-2, and when the Joker cloth 100-2 moves leftwards again, the raker wheel 6-4 is driven to forward attach to the positioning backup plate part 1-5a, so that the feeding accuracy of the Joker cloth 100-2 is ensured.

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 tucking plate 7-4, a third wall plate 7-5, a fourth wall plate 7-6, a second tucking 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 and right directions, 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 out of the first working panel 1-3. The second upper feed timing belt 4-2 and the corresponding part of the first upper feed timing belt 4-1 are located above the feed 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 at the right lower left higher side. The second folding plate 7-7 is arranged on the front side of the lower edge of the second wall plate 7-3 and is obliquely arranged at right low left high corresponding to the edge obliquely arranged at 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 folding plate 7-7 along the left-right direction, and the lower part of the fourth wall plate 7-6 is obliquely arranged at the right lower side and the left higher side. 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 right low left high corresponding to the edge obliquely arranged at the lower part of the fourth wall plate 7-6, the rotation axis of the second lower synchronous pulley 5-3 is parallel to the plane where the rotation axis of the first lower synchronous pulley 5-2 is located and parallel to the first material folding plate 7-4, and is positioned at 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 material folding plate 7-4 along 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 backward bent trouser body guide part 7-21, the first guide rod 7-8 is fixedly arranged on the trouser body guide part 7-21 and positioned behind the first wall plate 7-2 and is obliquely arranged with high right back, high left front and low right, 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 blow holes with openings facing the front lower direction are arranged on the first guide rod 7-8 along the axis of the first guide rod, and the curled edge part of the rear pants body 100-1 is blown downwards when passing below the first guide rod 7-8, so that the rear pants body can smoothly enter the pants body feeding channel 7a. 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 arranged in an inclined manner corresponding to the inclined arrangement of the first material folding plate 7-4 with the lower right and the higher left. A gram feed channel 7b is formed between the third wall plate 7-5 and the fourth wall plate 7-6. The right end of the third wall plate 7-5 is provided with a sinkers guide part 7-51 which is bent forwards, the second guide rod 7-9 is fixedly arranged on the sinkers guide part 7-51 and is obliquely arranged with lower right front, higher left rear, higher right end is lower than the second working panel 1-5, and the left end is higher than the lowest part of the first material folding plate 7-4. The second guide rod 7-9 is a hollow air pipe, a group of air blowing holes with holes facing backwards and upwards are formed in the axis of the second guide rod 7-9, and when the york cloth 100-2 passes over the second guide rod 7-9, the curled edge of the york cloth is blown upwards, so that the york cloth can smoothly enter the york feeding channel 7b. 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 trouser body discharging hole 7c. The upper side of the left end of the second folding plate 7-7 and the lower side of the left end of the feeding plate 7-1 form a horizontal joker outlet 7d. The needle of the sewing machine head 3 is positioned between the hemming assembly 7 and the tugboat 4-8 of the rear pants body feeding assembly 4. The discharging pressing plate 4-12 is fixedly arranged on the upper feeding mounting frame 4-11 and positioned at the left front lower part of the second upper feeding synchronous belt 4-2, an elastic pressing plate part bent downwards is arranged at the left part of the discharging pressing plate 4-12 at the discharging port of the hemming assembly 7, so that the cloth with different thicknesses can be adapted, the rear trousers body 100-1 and the about gram cloth 100-2 wrapped by the hemming can be tightly pressed, the better mutual wrapping state during sewing is ensured, the scattering is prevented, and the sewing quality is improved.

Referring to fig. 20 to 22, the cutting line assembly 8 includes a 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 compacting assembly 8-9 and a blanking guiding assembly 8-10.

The machine head connecting cover plate 8-1 is fixedly arranged on the sewing machine head 3 and positioned at one side of the discharging direction of the sewing machine head 3, the upper surface of the machine head connecting cover plate is flat with a machine head platen of the sewing machine head 3, and the machine head connecting cover plate 8-1 is provided with a blanking hole penetrating through the machine head connecting cover plate. The fixed cutter mounting seat 8-4 is fixedly arranged on the lower side of the machine head connecting cover plate 8-1, the fixed cutter 8-2 is fixedly arranged on the right part of the fixed cutter mounting seat 8-4 and is positioned in a blanking hole of the machine head connecting cover plate 8-1, and a waste air suction pipe 8a is arranged below the blanking 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 cutter guide assembly 8-8 adopts a linear guide rail, and the movable cutter guide assembly 8-8 is fixedly arranged on the movable cutter connecting seat 8-6 along the up-down direction by the guide rail. The movable knife mounting seat 8-5 is fixedly arranged on a sliding block of the movable knife guiding component 8-8. The movable cutter driving cylinder 8-7 is fixedly arranged on the movable cutter connecting seat 8-6 through a cylinder body, and a piston rod of the movable cutter driving cylinder extends downwards and is fixedly connected with the movable cutter mounting seat 8-5. Thereby the movable knife 8-3 is driven by the movable knife driving air cylinder 8-7 to move up and down along the movable knife guiding component 8-8, and forms shearing action with the fixed knife 8-2 below.

The movable knife 8-3 is arranged on the movable knife mounting seat 8-5 in a sliding manner along the left-right direction. The movable cutter compressing assembly 8-9 comprises a compressing spring 8-91 and a compressing bolt, the compressing bolt passes through the movable cutter 8-3 from left to right and then is screwed on the movable cutter mounting seat 8-5, the compressing spring 8-91 is arranged on the compressing bolt and is positioned between the head of the compressing bolt and the movable cutter 8-3, and the movable cutter 8-3 is pressed rightwards. 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 way of being higher on the right and lower on the left, and the guide inclined plane is always contacted with the cutting edge of the fixed knife 8-2. So that 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 is attached to the machine head connecting cover plate 8-1, and the left part is positioned above the right part of the fixed knife 8-2. The tugboat 4-8 of the rear leg feeding unit 4 is positioned on the upper side of the feeding lower guide plate 8-101, and the corresponding parts of the seamed rear leg 100-1 and about gram of cloth 100-2 are pressed against the feeding lower guide plate 8-101 and conveyed leftwards. The upper feeding guide plate 8-102 is fixedly arranged on the movable cutter connecting seat 8-6, and the lower part is arranged in a left-low right-high mode and is positioned above the left part of the lower feeding 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 cutter 8-3.

Referring to fig. 1 to 8 and 23, the receiving assembly 9 includes a discharge seat 9-1, a pushing plate 9-2, a blowing air pipe 9-3, a pushing driving cylinder 9-4, and a pushing cylinder guide assembly 9-5.

The discharging seat 9-1 is fixedly arranged on the front part of the left part of the frame 1-1. The pushing 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 driving cylinder extends forwards and is fixedly connected with the pushing plate 9-2. The pushing cylinder guiding assembly 9-5 comprises 1 or 2 cylinder shafts, in this embodiment, 2 cylinder shafts, and 2 cylinders are respectively arranged at the left side and the right side of the pushing driving cylinder 9-4. The 2 cylindrical shaft barrels are arranged on the frame 1-1 in a sliding manner along 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 pushing plate 9-2 through corresponding flanges. Thereby the pushing plate 9-2 is driven to move back and forth by the pushing driving cylinder 9-4. The blowing air pipe 9-3 is horizontally and fixedly arranged on the upper part of the pushing plate 9-2 along the left-right direction, and the blowing air pipe 9-3 is axially provided with a group of blowing holes 9-31 with forward openings.

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

The auxiliary feeding first synchronous pulley 10-2 and the auxiliary feeding driven synchronous pulley 10-6 are coaxially and rotatably arranged on the front end of the left part of the frame 1-1. The auxiliary feeding motor 10-4 is fixedly arranged on the left part of the frame 1-1, the auxiliary feeding driving synchronous pulley is arranged on a motor shaft of the auxiliary feeding motor 10-4 in a transmission manner, and the auxiliary feeding driving synchronous belt 10-7 is arranged around the auxiliary feeding driving synchronous pulley and the auxiliary feeding driven synchronous pulley 10-6. The auxiliary feeding second synchronous pulley 10-3 is rotatably arranged on the right part of the frame 1-1, the auxiliary feeding synchronous belt 10-1 is arranged around the auxiliary feeding first synchronous pulley 10-2 and the auxiliary feeding second synchronous pulley 10-3, the upper surface of the auxiliary feeding synchronous belt 10-1 is leveled 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 frame 1-1 and positioned in the middle of the auxiliary feeding synchronous belt 10-1, a guide inclined plane is arranged on the right part of the front part of the discharging guide plate, the right part of the guide inclined plane is arranged in a way that the right part is backward, the left part of the guide inclined plane is inclined forward, 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 out of the auxiliary feeding synchronous belt 10-1 forward, and the left end of the discharging guide plate 10-8 is positioned in front of the pushing plate 9-2.

When the sewing equipment is used for york sewing: the rear part of the rear pants body 100-1 is arranged 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 pants body is naturally drooping (the drawing shows a schematic diagram when the rear pants body 100-1 is unfolded smoothly) and 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 1-5a.

The corresponding part of the first upper feeding synchronous belt 4-1 and the second upper feeding synchronous belt 4-2 of the rear pants body feeding assembly 4 press the rear pants body 100-1 on the feeding plate 7-1 to be conveyed leftwards. When the rear portion of the rear leg body 100-1 contacts the leg body guide portion 7-21 of the first wall plate 7-2 of the hemming assembly 7, it starts to fold down, and then enters the leg body feeding channel 7a to be vertical, and during the process of continuing to move leftwards, along with the rising of the first material folding plate 7-4, the portion of the rear leg body 100-1 entering the leg body feeding channel 7a is folded forward again to be horizontal.

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

When the rear panty 100-1 comes out from the panty outlet 7c, the york cloth 100-2 is wrapped by being curled with each other when coming out from the york outlet 7 d. The corresponding parts of the rear pants body 100-1 are pressed against the first working panel 1-3 by the first upper feeding synchronous belt 4-1 of the rear pants body feeding assembly 4 to feed the rear pants body continuously leftwards, and then the hemmed parts of the rear pants body 100-1 and the about-gram cloth 100-2 are sewn together by the sewing machine head 3. After sewing, the back width trouser body 100-1 and the about gram cloth 100-2 are continuously fed leftwards by the first upper feeding synchronous belt 4-1 of the back width trouser body feeding assembly 4. When the cloth enters between the tugboat 4-8 and the feeding lower guide plate 8-101 of the rear pants body feeding assembly 4, the tugboat 4-8 assists in feeding, meanwhile, the cloth is kept flat, and after the cloth passes through the space 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 sewn line.

When the sewn back trousers body 100-1 and the about gram cloth 100-2 move leftwards to the discharging guide plate 10-8, the cloth is guided between the discharging seat 9-1 and the pushing plate 9-2 of the material receiving assembly 9. After the rear pants body 100-1 and about gram of cloth 100-2 are sent out from the left end of the first upper feeding synchronous belt 4-1 of the rear pants body feeding assembly 4, the pushing 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 pants body 100-1 on the discharging seat 9-1 forwards, then the blowing air pipe 9-3 blows forwards, the rear part of the rear pants body 100-1 and about gram of cloth 100-2 are turned over the discharging seat 9-1, and accordingly the rear pants body 100-1 and about gram of cloth 100-2 are placed on the discharging seat 9-1 to finish finished product receiving, and the pushing plate 9-2 retreats to the lower part of the auxiliary feeding synchronous belt 10-1.

While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.

Claims

1. A sewing device comprises a workbench component, a sewing machine head, a rear trouser body feeding component, a jockey raking 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 sewing machine head is fixedly arranged on the frame; the rear trousers body feeding assembly is arranged on the frame and is used for conveying the rear trousers body from the first working panel to the left; the method is characterized in that: the workbench assembly further comprises a jockey lifting bedplate which is fixedly arranged on the frame and positioned at the left side of the second working panel, is obliquely arranged at the right side of the second working panel in a low left high way, and the right end of the jockey lifting bedplate is connected with the left end of the second working panel; the jockey feeding assembly is arranged on the right part of the frame and is used for conveying jockey cloth from right to left; the jockey feeding assembly comprises a lower feeding synchronous belt, a first lower synchronous pulley, a second feeding motor, a pressing wheel and a lower feeding installation seat; the second feeding motor drives the lower feeding synchronous belt to rotate for feeding; the first lower synchronous pulley is rotatably arranged on the right part of the lower feeding mounting seat, the rotation axis of the first lower synchronous pulley is horizontally arranged along the front-back direction, the second lower synchronous pulley is rotatably arranged on the left part of the lower feeding mounting seat, and the rotation axis of the second lower synchronous pulley is horizontally arranged along the front-back direction; the lower feeding synchronous belt is arranged around the first lower synchronous belt pulley and the second lower synchronous belt pulley; the pressing wheel is rotatably arranged on the hemming assembly and is matched with the lower feeding synchronous belt; the lower feeding installation seat is arranged on the frame in a sliding way, and the sliding direction of the lower feeding installation seat is perpendicular to the plane where the rotation axis of the second lower synchronous pulley and the rotation axis of the first lower synchronous pulley are located; the joker raking assembly comprises a raking wheel, a joker driving seat, a raking driving cylinder, a raking lifting arm, a detection light eye and a detection reflecting plate; the front part of the second working panel is vertically provided with a positioning backup plate part along the left-right direction; the raking wheel drives the Joker cloth to be attached to the positioning backup plate part forwards; the joker driving seat is fixedly arranged on the upper side of the second platen, the raking driving cylinder is rotatably arranged on the joker driving seat by the cylinder body of the raking driving cylinder, and the rotation axis of the raking driving cylinder is parallel to the second platen; the left end of the raking lifting arm is rotationally connected to the joker driving seat, and the rotation axis of the raking lifting arm is parallel to the rotation axis of the cylinder body of the raking driving cylinder; the piston rod of the raking driving cylinder extends downwards, and the end head of the piston rod is hinged to the middle part of the raking lifting arm, so that the right end of the raking lifting arm is driven by the raking driving cylinder to lift or descend; the material raking wheel is rotationally arranged at the right end of the material raking lifting arm, the rotation axis of the material raking wheel is parallel to the second platen, the included angle between the rotation axis of the material raking wheel and the advancing direction of the Joule 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 reflecting plate is fixedly arranged at the lower part of the rear side of the first working panel and is matched with the detection light eye, and the detection light eye is used for detecting the Joule cloth; the hemming assembly is arranged on the frame and is positioned between the rear pants body feeding assembly and the about gram feeding assembly; the back width trousers body feeding component is curled by the curling component when the back width trousers body is conveyed from right to left, the joker feeding component is curled by the curling component when the joker cloth is conveyed from right to left, the curling component enables the back width trousers body and the joker cloth to be mutually wrapped after being curled, and the sewing machine head is used for sewing the parts of the back width trousers body and the joker cloth, which are mutually curled and wrapped.

2. The sewing apparatus of claim 1, wherein: the hemming assembly comprises a feeding plate, a first wallboard, a second wallboard, a first material folding plate, a third wallboard, a fourth wallboard 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 leveled with the first working panel on the middle part of the frame, 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 wall plate is vertically arranged on the lower side of the rear edge of the feeding plate along the left-right direction, and the lower part of the second wall plate is obliquely arranged in a way of being low on the right and high on the left; the second material folding plate is arranged on the front side of the lower edge of the second wall plate and is obliquely arranged at right, low left and high corresponding to the edge obliquely arranged at 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 folded plate along the left-right direction, and the lower part of the fourth wall plate is obliquely arranged in a way of being low on the right and high on the left; the first material folding plate is arranged on the rear side of the lower edge of the fourth wall plate and is obliquely arranged at right low left high corresponding to the edge obliquely arranged at 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 material folding plate along 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 along the left-right direction, and the lower edge of the third wall plate is arranged in an inclined manner corresponding to the inclined arrangement of the first material folding plate with the lower right and the higher left; a gram feed 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 gram guide part which is bent forwards; 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 trouser body discharging 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 joker discharge hole.

3. The sewing apparatus of claim 1, wherein: the rear pants body feeding assembly comprises a first upper feeding synchronous belt, a first feeding motor, a pressing device and an upper feeding mounting frame; the first feeding motor drives the first upper feeding synchronous belt to rotationally feed; the pressing device is provided with two groups, the upper feeding installation frame is arranged on the hanging frame of the corresponding group of pressing device in a vertical sliding way through the two fish-eye joints, and the axis of the upper feeding installation frame in the vertical sliding way can swing through the fish-eye joints.

4. The sewing apparatus of claim 1, 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 sequentially and fixedly arranged on the left part of the rear part of the frame from left to right, the two linear guide rails are fixedly arranged on the frame along the front and rear directions by 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 penetrates through the machine head mounting plate downwards and then stretches into a corresponding positioning hole on the upper side of the guide rail of the right linear guide rail.

5. The sewing apparatus of claim 1, wherein: the device also comprises a tangent line component; the wire 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 guide assembly and a movable cutter compacting assembly;

the machine head connecting cover plate is fixedly arranged on the sewing machine head and positioned at one side of the discharging direction of the sewing machine head, the upper surface of the machine head connecting cover plate is leveled with a machine head platen of the sewing machine head, and a blanking hole penetrating through the machine head connecting cover plate is formed in 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, the fixed cutter is fixedly arranged on the right part of the fixed cutter mounting seat and is positioned in a blanking 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 cutter guide assembly adopts a linear guide rail and is fixedly arranged on the movable cutter connecting seat along the up-down direction by the guide rail; the movable cutter mounting seat is fixedly arranged on a sliding block of the movable cutter guide assembly, and the movable cutter is arranged on the movable cutter mounting seat in a sliding manner along the left-right direction; the movable knife driving cylinder drives the movable knife to move up and down to form shearing action with the fixed knife below; the movable cutter compressing assembly comprises a compressing spring and a compressing bolt, the compressing bolt passes through the movable cutter from left to right and then is screwed on the movable cutter mounting seat, the compressing spring is arranged on the compressing bolt and is positioned between the head of the compressing bolt and the movable cutter to press the movable cutter to the right; the rear part of the movable knife 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 way of being higher on the right and lower on the left, and the guide inclined plane is always contacted with the cutting edge of the fixed knife; thereby the movable knife is elastically arranged on the movable knife mounting seat through the movable knife compacting component.

6. The sewing apparatus of claim 1, wherein: the device also comprises a material receiving component; 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 guide 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 frame through a cylinder body and positioned at the rear of 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 is arranged on the frame in a sliding manner along 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 plate is driven to move back and forth by the pushing driving cylinder; 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 openings are formed in the material blowing air pipe along the axial direction.

7. The sewing apparatus of claim 1, wherein: the auxiliary feeding assembly is also included; 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 pulley and the auxiliary feeding driven synchronous pulley are coaxially and rotatably arranged on the front end of the left part of the frame; the auxiliary feeding motor is fixedly arranged on the left part of the frame, the auxiliary feeding driving synchronous pulley is arranged on a motor shaft of the auxiliary feeding motor in a transmission manner, and the auxiliary feeding driving synchronous belt is arranged around the auxiliary feeding driving synchronous pulley and the auxiliary feeding driven synchronous pulley; the auxiliary feeding second synchronous belt wheel is rotatably arranged on the right part of the frame, the auxiliary feeding synchronous belt is arranged around the auxiliary feeding first synchronous belt wheel and the auxiliary feeding second synchronous belt wheel, the upper surface of the auxiliary feeding synchronous belt is leveled with the upper surface of the first platen, and the auxiliary feeding synchronous belt is positioned in front of the first platen; the discharging guide plate is fixedly arranged on the left part of the front side of the frame and positioned in the middle of the auxiliary feeding synchronous belt, 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 backwards, the left part of the guide inclined plane is obliquely arranged forwards, the right end of the guide inclined plane is positioned in the auxiliary feeding synchronous belt, and the left part of the discharging guide plate extends forwards out of the auxiliary feeding synchronous belt.