CN112981746B - Automatic unwinding and sewing machine and using method thereof - Google Patents
Automatic unwinding and sewing machine and using method thereof Download PDFInfo
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- CN112981746B CN112981746B CN202110360675.7A CN202110360675A CN112981746B CN 112981746 B CN112981746 B CN 112981746B CN 202110360675 A CN202110360675 A CN 202110360675A CN 112981746 B CN112981746 B CN 112981746B
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- Prior art keywords
- cloth
- clamping
- sewing
- unwinding
- cutting
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/02—Work-feeding or -handling elements not otherwise provided for for facilitating seaming; Hem-turning elements; Hemmers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B81/00—Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/415—Unwinding
- B65H2301/41505—Preparing unwinding process
- B65H2301/41506—Preparing unwinding process the web roll not yet being in the unwinding support / unwinding location
- B65H2301/415066—Preparing unwinding process the web roll not yet being in the unwinding support / unwinding location by connecting trailing edge of expiring web to leading edge of following web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/415—Unwinding
- B65H2301/41505—Preparing unwinding process
- B65H2301/41508—Preparing unwinding process the web roll being in the unwinding support / unwinding location
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses an automatic unwinding and sewing machine and a using method thereof, the automatic unwinding and sewing machine comprises a feeding mechanism, an unwinding mechanism, a cutting and sewing device, a sewing mechanism and a cloth discharging mechanism, the cutting and sewing device comprises a cloth clamping mechanism, a cutting mechanism and two groups of cloth arranging mechanisms, the feeding mechanism is used for lifting and conveying a first cloth to the unwinding mechanism, the unwinding mechanism is used for driving the first cloth to rotate and enabling the head end of the first cloth to be located at a required position, the cloth discharging mechanism is used for conveying the tail end of a second cloth to the required position, the cutting mechanism is used for trimming the edges of the first cloth and the second cloth, the two groups of cloth arranging mechanisms are used for respectively clamping the first cloth and the second cloth and enabling the first cloth and the second cloth to be aligned and attached, the sewing mechanism is used for sewing the first cloth and the second cloth, and the cloth clamping mechanism is used for clamping the first cloth and the second cloth during cutting or sewing. The invention realizes the automatic feeding, unwinding, sewing and leading-out of the cloth, and improves the unwinding, sewing efficiency and sewing quality of the cloth.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to an automatic unwinding and sewing machine and a using method thereof.
Background
In the field of fabric processing, in order to realize continuous production of fabric processing, different fabrics need to be sewn and connected end to end. Among the prior art, need to launch the cloth through many people earlier usually, carry out the manual work again and sew up after the head and the tail end of two cloth around will aligning, the cloth launches and wastes time and energy, has reduced sewing efficiency, and the phenomenon of beating the book easily appears in cloth head end and tail end for the head and the tail end of two rolls of cloth are difficult to get into the sewing region of serger, lead to the seam effect unsatisfactory, will further influence also sew up efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic unwinding sewing machine and a using method thereof, so that automatic feeding, unwinding, sewing and exporting of cloth are realized, the unwinding and sewing efficiency of the cloth is improved, and the sewing quality is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic unwinding and sewing machine comprises a rack, and a feeding mechanism, an unwinding mechanism, a cutting and sewing device, two groups of cloth arranging mechanisms and a cloth discharging mechanism which are respectively arranged on the rack, wherein the cutting and sewing device comprises a cloth clamping mechanism, a cutting mechanism and a sewing mechanism, the feeding mechanism is used for lifting and conveying a first cloth to the unwinding mechanism, the unwinding mechanism is used for driving the first cloth to rotate and conveying the head end of the first cloth to fall to a required position, the cloth discharging mechanism is used for conveying the tail end of a second cloth to fall to the required position, the cutting mechanism is used for trimming the head end edge of the first cloth and the tail end edge of the second cloth, the two groups of cloth arranging mechanisms are used for respectively clamping the head end of the first cloth and the tail end of the second cloth after cutting and aligning and attaching the first cloth and the second cloth, and the sewing mechanism is used for sewing the first cloth and the second cloth, the cloth clamping mechanism is used for clamping the first cloth and the second cloth during cutting or sewing, and the cloth discharging mechanism is also used for guiding out the sewed first cloth.
Feed mechanism includes lifting unit, conveyer belt and fixes the slope guide board on lifting unit top, lifting unit is used for promoting first cloth to the top and makes first cloth along guide board landing to conveyer belt, the conveyer belt is used for placing first cloth in a bank and carries first cloth to unwinding mechanism one by one.
Unwinding mechanism is including installing two drive rollers, a plurality of auxiliary roller, power component, first gas blowing pipe and second gas blow pipe between the frame both sides respectively, two the drive roller is used for placing and drives first cloth pivoted concave arc with a plurality of auxiliary roller cooperation constitution and puts the work or material rest, power component is connected or breaks off through electromagnetic clutch and one of them drive roller one end, the orientation of blowing of first gas blow pipe is for the orientation put the work or material rest orientation and tilt up setting, the orientation of blowing of second gas blow pipe is for the orientation put the work or material rest orientation and the downward sloping setting, the first gas blow pipe and the cooperation of second gas blow pipe are used for guiding the head end of first cloth to pass the clearance of putting the work or material rest and fall.
And a positioning assembly is arranged between the tops of the two sides of the rack and comprises a pair of positioning plates with adjustable intervals, and the pair of positioning plates are used for axially positioning the first cloth and aligning the edges of the two sides of the first cloth.
The cloth clamping mechanism comprises a first clamping piece and a second clamping piece which are arranged between two sides of the rack, the first clamping piece can move towards or away from the second clamping piece, and the first clamping piece and the second clamping piece are matched to clamp the first cloth and the second cloth.
The cutting mechanism comprises a cloth cutting machine arranged in the first clamping piece and used for cutting materials and a first driving motor used for driving the cloth cutting machine to move along the first clamping piece.
The sewing mechanism comprises an overlock machine arranged on the outer side of the second clamping piece and a belt arranged below the second clamping piece, a steel needle is fixedly arranged at the lower end of the first clamping piece and can penetrate through the first cloth and the second cloth and abut against the belt, and the overlock machine moves along the second clamping piece and sews the first cloth and the second cloth.
Still be equipped with leveling mechanism between the frame width direction both sides, leveling mechanism is including being used for carrying out the spraying subassembly of spraying and being used for ironing the subassembly that irones to the second cloth after spouting wet to the second cloth tail end.
The use method of the automatic unwinding sewing machine comprises the following steps:
(a) the feeding mechanism lifts and conveys the first cloth to a material placing frame of the unwinding mechanism;
(b) the pair of positioning plates axially clamps the first cloth and then moves away, the first cloth is driven to rotate by the material placing frame, the airflow is firstly blown to the head end of the first cloth in an upward inclined mode, when the head end of the first cloth rotates to be in contact with the material placing frame, the airflow is adjusted to be blown in a downward inclined mode, the head end of the first cloth falls to the cloth clamping mechanism, and meanwhile, the cloth discharging mechanism conveys the tail end of the second cloth to the cloth clamping mechanism;
(c) the cloth clamping mechanism clamps the first cloth and the second cloth, and after the first cloth and the second cloth are cut by the cloth cutting machine, the clamping mechanism loosens the clamping;
(d) conveying the first cloth and the second cloth to pass through the cloth clamping mechanisms and fall to the cloth arranging mechanisms, correspondingly flattening the first cloth and the second cloth through the two groups of cloth arranging mechanisms, clamping the tail end of the second cloth by one group of cloth arranging mechanisms and attaching the second cloth to a belt, clamping the head end of the first cloth by the other group of cloth arranging mechanisms, aligning the first cloth and attaching the first cloth to the second cloth;
(e) the cloth clamping mechanism clamps the first cloth and the second cloth again, and the first cloth and the second cloth are further positioned by the steel needles penetrating through the first cloth and the second cloth;
(f) the sewing mechanism sews the head end of the first cloth and the tail end of the second cloth, and the cloth discharging mechanism leads out the sewed first cloth and the second cloth.
In the step (b), when the tail end of the second cloth is curled, the second cloth is firstly subjected to spray ironing through the leveling mechanism, and then the tail end of the second cloth is conveyed to the cloth clamping mechanism; in the step (f), after the first cloth and the second cloth are sewn, the power source of the material placing frame is firstly cut off, and then the cloth is guided through the cloth discharging mechanism.
The invention has the beneficial effects that: (1) the feeding mechanism is used for lifting and conveying the cloth, and has the function of storing a plurality of cloths to be uncoiled, so that the multi-cloth feeding can be performed at one time, the feeding is performed one by one, and the feeding is not required to be performed when each cloth is to be uncoiled, so that the feeding efficiency is improved, the frequency of checking and discharging one device is reduced, the labor force is saved, and one person can control a plurality of devices simultaneously; (2) before unwinding, the edges of two sides of the cloth are aligned through the positioning assembly, the cloth is ensured to be positioned at the unwinding center position, the cloth is driven to rotate through the material placing frame, the front and back blowing directions of the blowing pipe are adjusted, the head end of the cloth is ensured to fall smoothly, and automatic unwinding and discharging of the cloth are realized; (3) the head and tail ends of the two pieces of cloth are clamped by the cloth clamping mechanism, and the edge of the head and tail ends of the two pieces of cloth is cut by the cloth cutting machine to ensure the levelness of the edge of the head and tail ends of the two pieces of cloth, so that the sewing quality is improved; (4) the head and the tail ends of the two cloth materials are aligned and attached through the cloth arranging mechanism, then the head and the tail ends of the two cloth materials are clamped through the cloth clamping mechanism and further positioned through steel, and the sewing smoothness and the sewing quality are further ensured; (5) the first cloth head end and the second cloth tail end can enter the overlock machine for sewing in a flat and attached state through the arrangement of the cloth guiding assembly, so that the sewing quality is improved; (6) the tail end of the rolled cloth is ironed through the ironing mechanism so as to ensure the smooth proceeding of cutting and sewing and ensure the sewing quality.
Drawings
FIG. 1 is a first perspective view of an automatic unwinding sewing machine;
FIG. 2 is a second perspective view of the automatic unwinding sewing machine;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a block diagram of an automatic unwinding sewing machine;
FIG. 5 is a perspective view of a feeding mechanism of the automatic unwinding sewing machine;
FIG. 6 is a block diagram of the lifting assembly of the feeding mechanism of the automatic unwinding sewing machine;
FIG. 7 is a perspective view of a positioning assembly of the automatic unwinding sewing machine;
FIG. 8 is a partial front view of a positioning assembly of the automatic unwinding sewing machine;
FIG. 9 is a perspective view of a portion of an unwinding mechanism of the automatic unwinding sewing machine from a first perspective;
FIG. 10 is an enlarged view at B of FIG. 9;
FIG. 11 is a perspective view of a portion of an unwinding mechanism of the automatic unwinding sewing machine from a second perspective view;
FIG. 12 is a block diagram of an unwinding mechanism of the automatic unwinding sewing machine;
FIG. 13 is a perspective view of a blank stitching device of the automatic unwinding sewing machine;
FIG. 14 is a view showing the construction of a trimming and sewing apparatus of an automatic unwinding sewing machine;
FIG. 15 is a perspective view of a first clip member of the automatic unwinding and sewing machine;
FIG. 16 is a perspective view of a second clip member of the automatic unwinding sewing machine;
FIG. 17 is a perspective view of a cloth guide assembly of the automatic unwinding sewing machine;
FIG. 18 is a cross-sectional view of a cloth guide assembly of the automatic unwinding sewing machine;
FIG. 19 is an exploded view of the air guide of the automatic unwinding sewing machine;
FIG. 20 is a perspective view of a cloth arranging machine of the automatic unwinding sewing machine;
FIG. 21 is a first perspective view of a leveling mechanism of the automatic unwinding sewing machine;
FIG. 22 is a second perspective view of the flattening mechanism of the automatic unrolling sewing machine;
FIG. 23 is a structural view of a leveling mechanism of the automatic unwinding sewing machine.
In the figure: the cloth feeding device comprises a frame 1, a first cloth 11, a second cloth 12, a support rod 13, a baffle plate A14, a baffle plate B15, a guide shaft 16, a feeding mechanism 2, a lifting assembly 21, a vertical frame 211, a vertical rod 2111, a placing frame 212, a transverse plate 2121, a support 2122, a material placing part 2123, a fixing part 2124, a lifting motor 214, a first gear chain transmission structure 215, a rotating shaft 216, a second gear chain transmission structure 217, a connecting block 2171, a slider linear bearing 218, a conveying belt 22, a flange 221, a guide plate 23, a notch 231, an unwinding mechanism 3, a driving roller 31, a gear structure 311, an A gear 312, a B gear 313, an auxiliary roller 32, a first connecting plate 321, a first pushing cylinder 322, a material placing frame 33, a guide plate 331, a power assembly 34, an electromagnetic clutch 341, a first air blowing pipe 36, a first branch pipe 361, a second air blowing pipe 37, a second branch pipe 371, a second connecting plate 372, a second pushing cylinder 373, a support roller 38, a support shaft 2, a lifting assembly 21, a lifting assembly 3, a support rod 211, a support rod 11, a support 212, a support plate 3, a support plate, a support plate, a support plate, a support plate, a support plate, a support, spacer ring 381, positioning assembly 39, positioning plate 391, guide rail 392, sliding member 393, frame 3931, connecting shaft 3932, pulley 3933, a fixed block 3934, third gear chain transmission structure 394, B fixed block 3935, positioning motor 395, cloth clamping mechanism 4, first clamping piece 41, second clamping piece 42, guide 43, steel needle 44, cutting mechanism 5, cloth cutting machine 51, cutting knife 511, first driving motor 52, cloth arranging mechanism 6, cloth arranging clamp 61, a clamping plate 611, B clamping plate 612, multi-shaft sliding table 62, fixed frame 63, a cylinder 64, B cylinder 65, sewing mechanism 7, overlock 71, belt 72, mounting plate 73, second driving motor 74, cloth guiding assembly 75, air guide 76, upper sealing plate 761, lower sealing plate 762, first side plate 763, arc plate 7631, a straight plate 7632, second side plate 764, right-angle plate 7641, B straight plate 42, air inlet 766, channel 77, connecting member 78, The waste collecting component 79, the flattening mechanism 8, the spraying component 81, the spray nozzle 811, the water tank 812, the air pipe 813, the ironing component 82, the heating pipe 821, the clamping pipe 822, the rotating rod 823, the connecting plate 824, the supporting plate 825, the rotating air cylinder 826, the heat insulation cotton 827, the auxiliary component 828, the mounting rod 83 and the cloth discharging mechanism 9.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1-23, an automatic unwinding and sewing machine comprises a frame 1, and a feeding mechanism 2, an unwinding mechanism 3, a cutting and sewing device, two sets of cloth arranging mechanisms 6 and a cloth discharging mechanism 9 which are respectively mounted on the frame 1, wherein the cutting and sewing device comprises a cloth clamping mechanism 4, a cutting mechanism 5 and a sewing mechanism 7, the feeding mechanism 2 is used for lifting and conveying a first cloth 11 to the unwinding mechanism 3, the unwinding mechanism 3 is used for driving the first cloth 11 to rotate and conveying the head end of the first cloth 11 to fall to a required position, the cloth discharging mechanism 9 is used for conveying the tail end of a second cloth 12 to fall to a required position, the cutting mechanism 5 is used for cutting the head end edge of the first cloth 11 and the tail end edge of the second cloth 12, the two sets of cloth arranging mechanisms 6 are used for respectively clamping the head end of the first cloth 11 and the tail end of the second cloth 12 after cutting and aligning and fitting the first cloth 11 and the second cloth 12, the sewing mechanism 7 is used for sewing the first cloth 11 and the second cloth 12, the cloth clamping mechanism 4 is used for clamping the first cloth 11 and the second cloth 12 during cutting or sewing, and the cloth discharging mechanism 9 is also used for discharging the sewn first cloth 11. In fact, when the first fabric 11 and the second fabric 12 are respectively conveyed to fall down to the fabric clamping mechanism 4, the fabric clamping mechanism 4 clamps the first fabric 11 and the second fabric 12 for cutting, and when the first fabric 11 and the second fabric 12 are respectively conveyed to fall down to the fabric arranging mechanism 6 and are aligned and attached by the fabric arranging mechanism 6, the fabric clamping mechanism 4 clamps the first fabric 11 and the second fabric 12 for sewing.
The lifting assembly 21 comprises a stand 211 and a placing frame 212 driven by a lifting motor 214 to move up and down, and the placing frame 212 drives the first cloth 11 to move to the top end of the stand 211. The guide plate 23 is fixed to the top end of the stand 211.
The placing frame 212 comprises a horizontal plate 2121 slidably mounted on the vertical frame 211 and a plurality of supporting pieces 2122 fixed on the horizontal plate 2121, wherein the supporting pieces 2122 comprise inclined material placing parts 2123, and the supporting pieces 2122 move upwards until the upper surfaces of the material placing parts 2123 and the upper surface of the guide plate 23 are on the same inclined plane. The support 2122 further includes a fixing portion 2124 formed by a lower end of the material placing portion 2123 extending vertically downward, and the fixing portion 2124 is connected to the horizontal plate 2121. The guide plate 23 is provided with a plurality of notches 231, and when the support member 2122 moves up to the top end of the vertical frame 211, the material placing part 2123 correspondingly enters the notches 231 and is spliced with the guide plate 23 to form an inclined surface, so that the first cloth 11 can naturally slide down under the action of gravity.
The guide plate 23 is arranged to incline downwards and towards the direction close to the conveying belt 22, and the inclined direction of the material laying part 2123 is the same as the inclined direction of the guide plate 23.
The lifting assembly 21 further comprises rotating shafts 216 rotatably mounted on the upper and lower portions of the vertical frame 211, the lifting motor 214 is in transmission connection with the rotating shaft 216 located below through a first gear chain transmission structure 215, the upper and lower rotating shafts 216 are in transmission connection through a second gear chain transmission structure 217, and a chain on the outer side of the second gear chain transmission structure 217 is connected with the horizontal plate 2121. Specifically, a connecting block 2171 is fixed on the outer chain of the second gear chain transmission structure 217, and the connecting block 2171 is connected with the middle of the transverse plate 2121. In the present invention, the vertical frame 211 includes a pair of vertical rods 2111 arranged at intervals, and two ends of the horizontal plate 2121 are connected to the vertical rods 2111 through linear bearings 218 of sliders. When the lifting motor 214 drives the second gear transmission structure 217 to move, the outer chain of the second gear transmission structure 217 drives the placing frame 212 to move upwards or downwards.
The surface of the conveying belt 22 is uniformly provided with flanges 221 for limiting the rolling of the first cloth 11, and the flanges 221 extend along the width direction of the conveying belt 22. The distance between two adjacent flanges 221 is smaller than the diameter of the first fabric 11 and larger than the radius of the first fabric 11.
With fig. 4 as a reference direction, when placing the first cloth 11 to the placing frame 212, the winding direction of the first cloth 11 is clockwise and the head end of the first cloth 11 is located outside, so that when the first cloth 11 falls down to the unwinding mechanism 3, the unwinding mechanism 3 drives the first cloth 11 to rotate clockwise, and the head end of the first cloth 11 faces back to the blowing direction of the first blowing pipe 36 to ensure smooth unwinding.
The auxiliary rollers 32 comprise one distributed inside the two driving rollers 31 and at least one distributed outside the two driving rollers 31, a gap for the head end of the first cloth 11 to pass through is formed between the auxiliary roller 32 and the adjacent driving roller 31 on the inner side, and the two driving rollers 31 are in transmission connection through a gear structure 311. The first blowing pipe 36 and the second blowing pipe 37 are arranged obliquely above the inner side of the material placing rack 33.
The gear structure 311 includes two a gears 312 and a B gear 313, the a gears 311 are respectively fixed on two driving rollers 31, the B gear 312 is rotatably installed on the frame 1, the two a gears 312 are in transmission connection through the B gear 312, and the two a gears 312 and the B gear 313 are distributed in an inverted triangle shape. Two drive rollers 31 rotate respectively and install between frame 1 both sides, and power component 34 includes turbine speed reducer, gear and chain, and turbine speed reducer passes through gear and chain and is connected with one of them drive roller 31. The auxiliary rollers 32 positioned on the outer side are rotatably arranged between the two sides of the rack 1, and the plurality of auxiliary rollers 32 mainly play a role in supporting the first cloth 11. in the invention, the number of the driving rollers 31 is two, and the number of the auxiliary rollers 32 is two, so that the assembly structure is simplified and the energy is saved on the premise of ensuring that the first cloth 11 can be driven to rotate, and the number of the auxiliary rollers 32 positioned on the outer side of the driving rollers 31 is actually determined according to the diameter of the first cloth 11.
First connecting plates 321 which can rotate on a vertical surface are respectively arranged at two sides of the frame 1 in the width direction, the auxiliary roller 32 positioned at the inner side of the driving roller 31 is rotatably installed between the two first connecting plates 321, and the auxiliary roller 32 is opened or closed with the adjacent driving roller 31 along with the rotation of the first connecting plates 321. Specifically, the first connecting plate 321 is arranged upwards and slantwise towards the direction close to the material placing rack 33, the lower end of the first connecting plate 321 is rotatably connected with the rack 1, the upper end of the first connecting plate 321 is a free end, and the auxiliary roller 32 located on the inner side of the driving roller 31 is rotatably installed between the free ends of the two first connecting plates 321.
First pushing cylinders 322 for pushing the first connecting plate 321 to rotate are further respectively installed on two sides of the frame 1 in the width direction. The first pushing cylinder 322 is disposed to incline inward and upward, and the shaft end of the first pushing cylinder 322 is connected to the middle of the first connecting plate 321.
When the unwinding mechanism 3 unwinds, the auxiliary roller 32 positioned inside the driving roller 31 and the adjacent driving roller 31 are in a closed state, the driving roller 31 is driven to rotate by the power assembly 34, and further the first fabric 11 is driven to rotate, and the head end of the first fabric 11 falls through the gap between the auxiliary roller 32 positioned inside and the adjacent driving roller 31; when all the first fabrics 11 are led out by the fabric outlet mechanism 9, the first pushing cylinder 322 pushes the first connecting plate 321 to open the space between the auxiliary roller 32 and the adjacent driving roller 31, and the remaining fabric shafts of the first fabrics 11 naturally fall. The lower part of the frame 1 can be provided with a material collecting box for collecting the material distributing shaft, and the bottom of the material collecting box is obliquely arranged so as to be convenient for taking out the material distributing shaft.
Second connecting plates 372 which can rotate on a vertical plane are further arranged on two sides of the rack 1 respectively, the first air blowing pipe 36 and the second air blowing pipe 37 are fixed between the two second connecting plates 372 respectively, and the setting heights of the first air blowing pipe 36 and the second air blowing pipe 37 are changed along with the rotation of the second connecting plates 372. Specifically, the outer end of the second connecting plate 372 is correspondingly rotatably connected with the rack 1, the inner end of the second connecting plate 372 is a free end, and the first air blowing pipe 36 and the second air blowing pipe 37 are both fixed between the free ends of the two second connecting plates 372.
Two sides of the frame 1 in the width direction are further provided with a second pushing cylinder 373, and the second pushing cylinder 373 pushes the second connecting plate 372 to rotate so as to adjust the blowing directions of the first blowing pipe 36 and the second blowing pipe 37.
First gas blow pipe 36 includes along the first branch pipe 361 of its length direction equipartition, second gas blow pipe 37 includes along the second branch pipe 371 of its length direction equipartition, first branch pipe 361 is for putting the material rest 33 direction and tilt up setting, for second branch pipe 371 is for putting the material rest 33 direction and the downward sloping setting of orientation.
The included angle between the first branch tube 361 and the second branch tube 371 is 75-85 degrees, and the included angle between the first branch tube 361 and the horizontal plane is 25-35 degrees.
A supporting roller 38 for supporting the first blowing pipe 36 and the second blowing pipe 37 is rotatably mounted between the inner ends of the two second connecting plates 372.
First gas blow pipe 36 and second gas blow pipe 37 are the inside and outside setting, backing roll 38 includes the spacer ring 381 of following the axial interval equipartition, first gas blow pipe 36 butt is on backing roll 38 and first branch pipe 361 is in between adjacent spacer ring 381, second gas blow pipe 37 butt is on backing roll 38 and second branch pipe 371 is in between adjacent spacer ring 381. The supporting roller 38 is provided to maintain stable blowing of the first blowing pipe 36 and the second blowing pipe 37.
A guide plate 331 which inclines inwards and downwards is arranged below the material placing frame 33, and the head end of the first fabric roll 11 falling down enters the gap of the fabric clamping mechanism 4 along the guide plate 331 through the guide plate 331.
A positioning assembly 39 is arranged between the tops of the two sides of the rack 1, the positioning assembly 39 includes a pair of positioning plates 391 with adjustable intervals, and the pair of positioning plates 391 are used for axially positioning the first cloth 11 and aligning two side edges of the first cloth 11.
The positioning assembly 39 further comprises a pair of guide rails 392 disposed at the top of the frame 1, two sliding members 393 slidably mounted on the pair of guide rails 392, a third gear chain transmission 394 disposed along the length direction of the guide rails 392, and a positioning motor 395 for driving the third gear chain transmission 394 to move, wherein the upper parts of the pair of positioning plates 391 are correspondingly fixed to the sliding members 393, and the third gear chain transmission 394 drives the two positioning plates 391 to move close to or away from each other through the sliding members 393.
The sliding member 393 comprises a frame 3931 located between two guide rails 392, the frame 3931 is a hollow rectangular parallelepiped structure, a pair of connecting shafts 3932 are fixed on the upper and lower surfaces of the frame 3931, a pulley 3933 is rotatably mounted on an end of each connecting shaft 3932, and the guide rails 392 are slidably clamped between the upper and lower pulleys 3933.
The lower chain of the third gear chain drive 394 passes through two frames 3931, the upper chain of the third gear chain drive 394 is located above the frames 3931, wherein one of the frames 3931 is connected at the top with the upper chain of the third gear chain drive 394 by an a fixing block 3934, and the other of the frames 3931 is connected with the lower chain of the third gear chain drive 394 by a B fixing block 3935. The pair of positioning plates 391 are located above two sides of the width direction of the material placing frame 33, the pair of positioning plates 391 are symmetrically arranged, when the first cloth 11 falls to the material placing frame 33, the pair of positioning plates 391 move oppositely to prop against two sides of the first cloth 11 and push the first cloth 11, two side edges of a first cloth 11 roll are aligned, the first cloth 11 is located at the center, two axial ends of the first cloth 11 are aligned with two axial ends of the second cloth 12, and therefore smooth proceeding of subsequent cloth arranging operation is guaranteed.
The cloth clamping mechanism 4 comprises a first clamping piece 41 and a second clamping piece 42 which are arranged between two sides of the rack 1, the first clamping piece 41 can move towards or away from the second clamping piece 42, and the first clamping piece 41 and the second clamping piece 42 are matched to clamp the first cloth 11 and the second cloth 12. Guide members 43 are mounted on both sides of the frame 1, and the first clamp member 41 moves back and forth along the guide members 43.
The cutting mechanism 5 includes a cloth cutter 51 installed in the first clamp 41 for cutting and a first driving motor 52 for driving the cloth cutter 51 to move along the first clamp 41. The first driving motor 52 drives the cloth cutter 51 to move through the drag chain.
The cloth cutter 51 includes a cutting blade 511, and the cutting blade 511 partially protrudes from the side of the first clamping member 41 facing the second clamping member 42. Through slots are formed on both the side of the first clamping member 41 facing the second clamping member 42 and the side of the second clamping member 42 facing the first clamping member 41 to ensure the cutting.
The sewing mechanism 7 comprises a serger 71 arranged on the outer side of the second clamping piece 42 and a belt 72 arranged below the second clamping piece 42, a steel needle 44 is fixedly arranged at the lower end of the first clamping piece 41, the steel needle 44 can penetrate through the first cloth 11 and the second cloth 12 and is abutted to the belt 72, and the serger 71 moves along the second clamping piece 42 and sews the first cloth 11 and the second cloth 12. The steel needles 44 are distributed along the length direction of the first clamping member 41, the steel needles 44 can be arranged in one row or two rows, the first cloth roll 11 and the second cloth roll 12 are positioned through the steel needles 44, and the second cloth roll 12 is prevented from separating from the steel needles 44 by the belt 72, so that the sewing smoothness and the sewing quality are ensured.
The mounting plate 73 is slidably mounted on the outer side of the second clamping piece 42, a second driving motor 73 is mounted at one end of the second clamping piece 42, the serger 71 is fixedly mounted on the mounting plate 73, and the second driving motor 73 drives the serger 71 to move back and forth through the mounting plate 73. The second driving motor 73 is connected to the upper portion of the mounting plate 73 through a drag chain. The mounting plate 73 is L-shaped, the vertical part of the mounting plate 73 is connected with the second clamping piece 42 in a sliding mode, and the horizontal part of the mounting plate 73 is located below the serger 71 and can be used for receiving waste materials generated by the joint.
The sewing mechanism 7 further comprises a cloth guiding assembly 75 installed at the cloth feeding position of the overlock machine 71, the cloth guiding assembly 75 comprises a pair of hollow air guide pieces 76 which are arranged at intervals, a horn-shaped channel 77 is formed between the air guide pieces 76, the large opening of the channel faces outwards, the small opening of the channel faces the cloth feeding position of the overlock machine 71, an air inlet 765 and an air outlet 766 are arranged on the air guide pieces 76, and the air outlet 766 faces the cloth feeding position of the overlock machine 71.
The air guide piece 76 comprises a first side plate 763 and a second side plate 764 which are arranged on the inner side and the outer side, the first side plate 763 comprises a convex arc-shaped plate portion 7631 and an a straight plate portion 7632 formed by extending one end of the arc-shaped plate portion 7631 outwards, the second side plate 764 comprises a right-angle plate portion 7641 and a B straight plate portion 7642 formed by vertically bending one end of the right-angle plate portion 7641 outwards, the other end of the arc-shaped plate portion 7631 is connected with the other end of the right-angle plate portion 7641, the a straight plate portion 7632 and the B straight plate portion 7642 are arranged at intervals, partition plates 765 are embedded between the upper end of the a straight plate portion 7632 and the upper end of the B straight plate portion 7642 and between the lower end of the a straight plate portion 7632 and the lower end of the B straight plate portion 7642, and the air outlet 766 is surrounded by the a straight plate portion 7632, the B straight plate portion 7642 and the two partition plates 765.
The air inlet 765 is provided in the right-angle plate portion 7641.
A channel 77 is formed between the two first side plates 763.
The cloth guiding assembly 75 further comprises a U-shaped connecting piece 78, wherein one air guide piece 76 is fixed to the overlock machine 71, and the rear ends of the two air guide pieces 76 are connected through the connecting piece 78. In fact, the B straight plate portion 7642 is longer than the a straight plate portion 7632, and the two B straight plate portions 7642 are connected by the connecting member 78.
The air guide member 76 further includes an upper sealing plate 761 covering the upper ends of the first side plate 763 and the second side plate 764, and a lower sealing plate 762 covering the lower ends of the first side plate 763 and the second side plate 764, so as to form a complete cavity. Through the arrangement of the air guide member 76, the outside air enters the inner cavity of the air guide member 76 through the air inlet 765 and then flows out of the air outlet 766, so that the first cloth 11 and the second cloth 11 can be guided to be sewn through the channel 77 in a flat and attached state by the overlock machine 71, and therefore the sewing quality is guaranteed.
The sewing mechanism 7 comprises a waste collecting component 79, and a suction inlet of the waste collecting component 79 is arranged at the cloth feeding position of the overlock machine 71 so as to better collect waste generated after sewing.
Two sets of reason cloth mechanism 6 is for setting up relatively, and every group reason cloth mechanism 6 includes the reason cloth machine that two at least intervals set up, reason cloth machine is including can opening or the tight reason cloth clamp 61 of clamp and be used for driving reason cloth clamp 61 multiaxis slip table 62 of motion.
The cloth arranging machine further comprises a fixing frame 63 fixed on the multi-shaft sliding table 62, the cloth arranging clamp 61 is arranged at the top end of the fixing frame 63, the cloth arranging clamp 61 comprises an A clamp plate 611 and a B clamp plate 612, the A clamp plate 611 moves through the driving of an A cylinder 64, and the B clamp plate 612 moves through the driving of a B cylinder 65.
A leveling mechanism 8 is further arranged between two sides of the frame 1 in the width direction, and the leveling mechanism 8 comprises a spraying assembly 81 for spraying the tail end of the second fabric 12 and an ironing assembly 82 for ironing the wet second fabric 12.
The ironing assembly 82 comprises a heating pipe 821 and a clamping pipe 822 which can be in clamping fit with the heating pipe 821, and the spraying assembly 81 comprises a plurality of spraying heads 811 arranged along the length direction of the heating pipe 821, wherein the spraying heads face to the direction of the clamping pipe 822, and the heights of the spraying heads 811 are lower than the heating pipe 821.
A rotating rod 823 is rotatably installed between two sides of the rack 1, two ends of the clamping tube 822 are fixedly connected with the rotating rod 823 through connecting plates 824, a supporting plate 825 is connected to the middle of one of the connecting plates 824, the supporting plate 825 and the connecting plate 824 are arranged at an angle, a rotating cylinder 826 is arranged on one side of the rack 1, and the rotating cylinder 826 is connected with the lower end of the supporting plate 825 and pushes the clamping tube 822 to rotate. The rotating rod 823 is distributed above the heating pipe 821, the connecting plate 824 is in an obtuse angle shape, and the clamping pipe 822 rotates by taking the rotating rod 823 as a central axis.
An auxiliary member 828 with a triangular longitudinal section is fixed at the bottom of the clamping pipe 822, and when the clamping pipe 822 is matched and clamped with the heating pipe 821, the auxiliary member 828 is positioned below the heating pipe 821. The auxiliary member 828 is provided so that the first fabric 11 is pushed flat by the auxiliary member 828 before entering the nip between the nip pipe 822 and the heating pipe 821, thereby facilitating subsequent ironing.
The surface of heating pipe 821 is covered with insulation wool 827 except for the surface of the side wall of heating pipe 821 facing clamping pipe 822. The insulation cotton 827 has a heat preservation function, so that the ironing temperature of the heating pipe 821 is kept constant.
The spray assembly 81 also includes a water tank 812 located below the spray head 811 and the heating pipe 821.
An installation rod 83 is connected between two sides of the frame 1, and the spray head 811 is fixed on the installation rod 83. The mounting rod 83 is located above the heating pipe 821, the spray head 811 is a siphon spray head, and the spray assembly 81 further comprises an air pipe 813 communicated with the spray head 811 to improve the spraying effect.
The cloth discharging mechanism 9 is the prior art, and the specific structure is as described in a cloth discharging assembly (CN201922384300.5) of a cloth splicing machine.
Still be equipped with A baffle 14, B baffle 15 and leading axle 16 between the frame 1 both sides, A baffle 14, B baffle 15 set up between flattening mechanism 8 and unwinding mechanism 3, and second cloth 12 passes through the clearance of A baffle 14, B baffle 15, leading axle 16 rotates to be installed between flattening mechanism 8 and deflector 331, and the first cloth 11 after sewing is derived through putting the interval of work or material rest 33 through the clearance of leading axle 16, A baffle 14 and B baffle 15.
The use method of the automatic unwinding head sewing machine comprises the following steps:
(a) the feeding mechanism 2 lifts and conveys the first cloth 11 to a material placing frame 33 of the unwinding mechanism 3;
(b) the pair of positioning plates 391 axially clamp the first cloth 11 and then move back, the first cloth 11 is driven to rotate by the material placing frame 33, the air flow is firstly blown to the head end of the first cloth 11 in an upward inclined mode, when the head end of the first cloth 11 rotates to be in contact with the material placing frame 33, the air flow is adjusted to be blown in a downward inclined mode, the head end of the first cloth 11 falls to the cloth clamping mechanism 4, and meanwhile, the cloth discharging mechanism 9 conveys the tail end of the second cloth 12 to the cloth clamping mechanism 4;
with reference to fig. 4 as a reference direction, the material placing frame 33 drives the first fabric 11 to rotate clockwise, the first air blowing pipe 36 blows air to the head end of the first fabric 11 first, and when the head end of the first fabric 11 moves to a gap between the auxiliary roller 32 located at the inner side and the adjacent driving roller 31, air is blown through the second air blowing pipe 37, so that the head end of the first fabric 11 is guided to fall;
(c) the cloth clamping mechanism 4 clamps the first cloth 11 and the second cloth 12, and after the first cloth 11 and the second cloth 12 are cut by the cloth cutting machine 51, the cloth clamping mechanism 4 releases clamping;
(d) conveying a first cloth 11 and a second cloth 12 to pass through the cloth clamping mechanism 4 and fall to the cloth arranging mechanism 6, correspondingly flattening the first cloth 11 and the second cloth 12 through the two groups of cloth arranging mechanisms 6, clamping the tail end of the second cloth 12 by one group of cloth arranging mechanisms 6 and attaching the second cloth 12 to the belt 72, clamping the head end of the first cloth 11 by the other group of cloth arranging mechanisms 6, aligning the first cloth 11 and attaching the first cloth 12 to the second cloth 12;
specifically, the cloth arranging clamps 61 are in an open state, the first cloth 11 and the second cloth 12 correspondingly enter the cloth arranging clamps 61, the two cloth arranging clamps 61 on one side respectively move towards two sides of the first cloth 11 under the driving of the multi-shaft sliding table 62, the two cloth arranging clamps 61 on the other side respectively move towards two sides of the second cloth 12 under the driving of the multi-shaft sliding table 62, so that the first cloth 11 and the second cloth 12 are flattened, then the cloth arranging clamps 61 correspondingly clamp the first cloth 11 and the second cloth 12 and align the first cloth 11 and the second cloth 12, and the two cloth arranging mechanisms 6 move towards each other to enable the first cloth 11 and the second cloth 12 to be attached to each other; if the widths of the first cloth 11 and the second cloth 12 are different, the two cloth arranging clamps 61 on one side of the cloth with longer width clamp the cloth and then move relatively close to each other so as to align the two cloths;
(e) the cloth clamping mechanism 4 clamps the first cloth 11 and the second cloth 12 again, and the first cloth 11 and the second cloth 12 are further positioned by the steel needles 44 penetrating through the first cloth 11 and the second cloth 12;
after the first cloth 11 and the second cloth 12 are clamped, the cloth arranging mechanism 6 on one side of the first cloth 11 retreats first, and the cloth arranging mechanism 6 on one side of the second cloth 12 clamps the second cloth 12 first and moves towards the first cloth 11, then releases the clamping and retreats, so as to ensure that the steel needles 44 pass through the first cloth 11 and the second cloth 12 together;
(f) the sewing mechanism 7 sews the head end of the first cloth 11 and the tail end of the second cloth 12, and the cloth discharging mechanism 9 leads out the sewed first cloth 11 and second cloth 12.
In the step (b), when the tail end of the second fabric 12 is curled, firstly, the second fabric 12 is subjected to spray ironing through the leveling mechanism 8, and then the tail end of the second fabric 12 is conveyed to the fabric clamping mechanism 4; in the step (f), after the first fabric 11 and the second fabric 12 are sewn, the power source of the material placing frame 33 is cut off, and then the fabric is guided through the fabric discharging mechanism 9.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an automatic uncoiling sewing machine, includes frame (1) and installs feed mechanism (2), uncoiling mechanism (3), blank suturing device, two sets of cloth arrangement mechanisms (6) and play cloth mechanism (9) in frame (1) respectively, blank suturing device is including pressing from both sides cloth mechanism (4), blank mechanism (5) and sewing mechanism (7), its characterized in that: the feeding mechanism (2) is used for lifting and conveying a first cloth (11) to the unwinding mechanism (3), the unwinding mechanism (3) is used for driving the first cloth (11) to rotate and conveying the head end of the first cloth (11) to fall to a required position, the cloth discharging mechanism (9) is used for conveying the tail end of a second cloth (12) to fall to the required position, the cutting mechanism (5) is used for cutting the head end edge of the first cloth (11) and the tail end edge of the second cloth (12) to be aligned, the two groups of cloth arranging mechanisms (6) are used for clamping the head end of the first cloth (11) and the tail end of the second cloth (12) after cutting and enabling the first cloth (11) and the second cloth (12) to be aligned and attached, the sewing mechanism (7) is used for sewing the first cloth (11) and the second cloth (12), and the cloth clamping mechanism (4) is used for clamping the first cloth (11) and the second cloth (12) during cutting or sewing, the cloth discharging mechanism (9) is also used for guiding out the sewed first cloth (11);
the unwinding mechanism (3) comprises two driving rollers (31), a plurality of auxiliary rollers (32), a power assembly (34), a first air blowing pipe (36) and a second air blowing pipe (37) which are respectively arranged between the two sides of the rack (1), the two driving rollers (31) and the plurality of auxiliary rollers (32) are matched to form a concave arc-shaped material placing rack (33) for placing and driving the first cloth (11) to rotate, the power assembly (34) is connected or disconnected with one end of one of the driving rollers (31) through an electromagnetic clutch (341), the blowing direction of the first blowing pipe (36) is towards the material placing frame (33) and is arranged in an upward inclined way, the blowing direction of the second blowing pipe (37) is towards the material placing frame (33) and is arranged in a downward inclined way, the first air blowing pipe (36) and the second air blowing pipe (37) are matched to guide the head end of the first cloth (11) to pass through the gap of the material placing rack (33) and fall.
2. The automatic unwinding and sewing machine according to claim 1, wherein: feeding mechanism (2) are including lifting means (21), conveyer belt (22) and fix slope guide board (23) at lifting means (21) top, lifting means (21) are used for promoting first cloth (11) to the top and make first cloth (11) along guide board (23) landing to conveyer belt (22), conveyer belt (22) are used for the in bank to place first cloth (11) and carry first cloth (11) to unwinding mechanism (3) one by one.
3. The automatic unwinding and sewing machine according to claim 1, wherein: a positioning assembly (39) is arranged between the tops of two sides of the rack (1), the positioning assembly (39) comprises a pair of positioning plates (391) with adjustable intervals, and the pair of positioning plates (391) are used for axially positioning the first cloth (11) and aligning edges of two sides of the first cloth (11).
4. The automatic unwinding and sewing machine according to claim 1, wherein: the cloth clamping mechanism (4) comprises a first clamping piece (41) and a second clamping piece (42) which are installed between two sides of the rack (1), the first clamping piece (41) can move towards or away from the second clamping piece (42), and the first clamping piece (41) and the second clamping piece (42) are matched to clamp the first cloth (11) and the second cloth (12).
5. The automatic unwinding and sewing machine according to claim 4, wherein: the cutting mechanism (5) comprises a cloth cutting machine (51) which is arranged in the first clamping piece (41) and used for cutting materials and a first driving motor (52) which drives the cloth cutting machine (51) to move along the first clamping piece (41).
6. The automatic unwinding and sewing machine according to claim 4, wherein: the sewing mechanism (7) comprises a serger (71) installed on the outer side of the second clamping piece (42) and a belt (72) arranged below the second clamping piece (42), a steel needle (44) is fixedly installed at the lower end of the first clamping piece (41), the steel needle (44) can penetrate through the first cloth (11) and the second cloth (12) and is abutted to the belt (72), and the serger (71) moves along the second clamping piece (42) and sews the first cloth (11) and the second cloth (12).
7. The automatic unwinding linking machine according to claim 1, characterized in that: still be equipped with leveling mechanism (8) between frame (1) width direction both sides, leveling mechanism (8) are including being used for carrying out spray assembly (81) of spraying to second cloth (12) tail end and being used for ironing subassembly (82) that irones to second cloth (12) after spouting wet.
8. A method of using the automatic unwinding sewing machine according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
(a) the feeding mechanism (2) lifts and conveys the first cloth (11) to a material placing frame (33) of the unwinding mechanism (3);
(b) the pair of positioning plates (391) axially clamp the first cloth (11) and then move back, the first cloth (11) is driven to rotate through the material placing frame (33), the air flow is firstly blown to the head end of the first cloth (11) in an upward inclined mode, when the head end of the first cloth (11) rotates to be in contact with the material placing frame (33), the air flow is adjusted to be blown in a downward inclined mode, the head end of the first cloth (11) falls to the cloth clamping mechanism (4), and meanwhile, the cloth discharging mechanism (9) conveys the tail end of the second cloth (12) to the cloth clamping mechanism (4);
(c) the cloth clamping mechanism (4) clamps the first cloth (11) and the second cloth (12), and after the first cloth (11) and the second cloth (12) are cut through the cloth cutting machine (51), the cloth clamping mechanism (4) loosens the clamping;
(d) conveying a first cloth (11) and a second cloth (12) to pass through the cloth clamping mechanism (4) and fall to the cloth arranging mechanism (6), correspondingly flattening the first cloth (11) and the second cloth (12) through the two groups of cloth arranging mechanisms (6), clamping the tail end of the second cloth (12) by one group of cloth arranging mechanisms (6) and attaching the second cloth (12) to a belt (72), clamping the head end of the first cloth (11) by the other group of cloth arranging mechanisms (6), aligning the first cloth (11) and attaching the first cloth (12) to the second cloth (12);
(e) the cloth clamping mechanism (4) clamps the first cloth (11) and the second cloth (12) again, and the first cloth (11) and the second cloth (12) are further positioned by the steel needles (44) penetrating through the first cloth (11) and the second cloth (12);
(f) the sewing mechanism (7) sews the head end of the first cloth (11) and the tail end of the second cloth (12), and the cloth discharging mechanism (9) leads out the sewed first cloth (11) and the second cloth (12).
9. The use method of the automatic unwinding sewing machine according to claim 8, characterized in that: in the step (b), when the tail end of the second cloth (12) is curled, firstly, the second cloth (12) is subjected to spray ironing through the leveling mechanism (8), and then the tail end of the second cloth (12) is conveyed to the cloth clamping mechanism (4); in the step (f), after the first cloth (11) and the second cloth (12) are sewn, the power source of the material placing frame (33) is cut off, and then the cloth is guided through the cloth discharging mechanism (9).
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| CN202110360675.7A CN112981746B (en) | 2021-04-02 | 2021-04-02 | Automatic unwinding and sewing machine and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114148799A (en) * | 2022-01-14 | 2022-03-08 | 软控股份有限公司 | Automatic material feeding device for sizing material with steel wire |
| CN114476769B (en) * | 2022-04-18 | 2022-07-05 | 中建材苏州防水研究院有限公司 | Unreeling splicing device and splicing method for high-polymer waterproof coiled material |
| CN114715713A (en) * | 2022-04-22 | 2022-07-08 | 江苏仅一联合智造有限公司 | Automatic splicing device for coiled films |
| CN115012199B (en) * | 2022-07-07 | 2023-08-04 | 杭州萧山东达纺织有限公司 | Production equipment of breathable polyester-viscose fabric with high comfort |
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