CN117385560A - Automatic production equipment for hidden quilting quilt - Google Patents

Automatic production equipment for hidden quilting quilt Download PDF

Info

Publication number
CN117385560A
CN117385560A CN202311629777.XA CN202311629777A CN117385560A CN 117385560 A CN117385560 A CN 117385560A CN 202311629777 A CN202311629777 A CN 202311629777A CN 117385560 A CN117385560 A CN 117385560A
Authority
CN
China
Prior art keywords
quilting
motor
hidden
production equipment
automatic production
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311629777.XA
Other languages
Chinese (zh)
Inventor
姜学莲
董国兴
杨君伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai Zhonglian Industry Co ltd
Original Assignee
Yantai Zhonglian Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yantai Zhonglian Industry Co ltd filed Critical Yantai Zhonglian Industry Co ltd
Priority to CN202311629777.XA priority Critical patent/CN117385560A/en
Publication of CN117385560A publication Critical patent/CN117385560A/en
Pending legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B11/00Machines for sewing quilts or mattresses
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B39/00Workpiece carriers
    • D05B39/005Quilting frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

The invention discloses automatic production equipment for hidden quilting, which comprises a base, wherein a bracket assembly is arranged on the base, a plurality of first motors are symmetrically arranged on the bracket assembly, a gear rack assembly is commonly arranged between the output end of each first motor and the bracket assembly, a quilting machine is arranged at the output end of the gear rack assembly, and a wire frame is arranged on the side wall of the quilting machine; the motor II is installed in the base, the output end of the motor II extends out of the base and is provided with a mounting seat, two mounting grooves are symmetrically formed in the mounting seat, two supporting rollers are symmetrically installed on the mounting seat, and two mounting shafts are symmetrically installed on the mounting seat. The advantages are that: the quilting machine is ingenious in structure and reasonable in design, quilting can be fixed through the locking roller and the abutting roller, the quilting can not be damaged while the quilting is fixed, the support assembly and the motor II are utilized to realize the movement of the quilting machine, and different positions of the quilting can be sewn.

Description

Automatic production equipment for hidden quilting quilt
Technical Field
The invention relates to the technical field of quilting production, in particular to automatic quilting production equipment.
Background
Quilting is often arranged on bedding articles frequently used in life, and the quilting is taken as an example and generally consists of a padding material and a textile fabric on the appearance, wherein the padding material is divided into a wadding and loose fibers. The structure and shape of the loose fiber bedding core are not fixed, the loose fiber bedding core is easy to flow and shrink, and the thickness is uneven. In order to fix the outer textile fabric of the quilt and the inner core in a sticking manner, so that the thickness of the quilt is uniform, the outer textile fabric and the inner core are sewn together in a side-by-side straight line or in a decorative pattern, the process for increasing the aesthetic feeling and the practicability is called quilting, the quilted or mattress after the quilting is called quilting, quilting mattress, and stitch lines sewn by the quilting process are called quilting.
The existing hidden quilting quilt is fixed by using a pressing block in the production process, the pressing block is fixed to cause displacement between the bedding and the pressing block in the sewing process of the hidden quilting quilt, so that the position deviation of quilting can be generated, the production quality of the hidden quilting quilt is reduced, meanwhile, the quilting quilt can be driven to have a movement trend in the sewing process, if the movement trend of the quilting quilt is large, the quilting quilt can move, the quilting quilt and the fixed teeth can be torn when moved, and the quilting quilt can also cause failure of cutting and grinding test when damaged.
For this purpose, we propose a hidden quilted automatic production facility to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides hidden quilted automatic production equipment.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the automatic production equipment for hidden quilting comprises a base, wherein a bracket assembly is arranged on the base, a plurality of first motors are symmetrically arranged on the bracket assembly, a gear rack assembly is commonly arranged between the output end of each first motor and the bracket assembly, a quilting machine is arranged at the output end of the gear rack assembly, and a wire frame is arranged on the side wall of the quilting machine;
install the motor two in the base, the output of motor two extends to outside the base and installs the mount pad, two mounting grooves have been seted up to the symmetry on the mount pad, two support the roller of symmetry on the mount pad, two installation axles of symmetry are installed to the mount pad, every the dwang is all installed at the both ends of installation axle, and two that the position is corresponding install the locking roller jointly on the dwang, one of them install motor three on the inside wall of mount groove, be connected through gear assembly between the output shaft of motor three and the corresponding installation axle in position, be connected through synchronous wheel subassembly between the output shaft of motor three and the another installation axle.
In the automatic production equipment for the hidden quilting quilt, the support assembly comprises four symmetrically arranged vertical supports, two corresponding vertical supports are arranged at the positions, a connecting transverse frame is arranged between the vertical supports, a plurality of limiting transverse frames are arranged between the connecting transverse frames, each limiting transverse frame is connected with a sliding seat in a sliding manner, and a quilting machine is arranged on the lower end face of the sliding seat.
In the automatic production equipment for the hidden quilting, racks are arranged on the side walls of each limiting transverse frame, a first motor is arranged on the upper end face of the sliding seat, an output shaft of the first motor penetrates through the sliding seat and is provided with a gear, and the gear is meshed with the racks.
In the above-mentioned hidden quilting automatic production equipment, the spacing groove has been seted up to the upper surface of base, install motor IV on the lateral wall of base, motor IV's output shaft extends to the spacing inslot and installs the threaded rod, threaded connection has L type mounting panel on the threaded rod, the cylinder is installed to the up end of L type mounting panel, the output of cylinder runs through L type mounting panel and installs the cutting knife, install the butt plate on the lateral wall of L type mounting panel.
In the automatic production equipment for the hidden quilting machine, the gear transmission assembly comprises a driving wheel, the driving wheel is arranged on an output shaft of the motor III, a driven wheel is arranged on the output shaft corresponding to the motor III, and the driven wheel is meshed with the driving wheel.
In the automatic production equipment for the hidden quilting quilt, the synchronous wheel assembly comprises a synchronous wheel I, the synchronous wheel I is arranged on an output shaft of a motor III, a synchronous wheel II is arranged on the other installation shaft, and a synchronous belt is jointly arranged on the synchronous wheel I and the synchronous wheel II.
In the automatic production equipment for the hidden quilting machine, the number of teeth of the first synchronizing wheel is equal to that of the driving wheel, the modulus of the first synchronizing wheel is equal to that of the driving wheel, the number of teeth of the driven wheel is equal to that of the second synchronizing wheel, and the modulus of the driven wheel is equal to that of the second synchronizing wheel.
In the automatic quilting production equipment, the axis of the mounting shaft and the axis of the abutting roller are not positioned on the same straight line.
In the automatic production equipment for the hidden quilting, the distance a between the axis of the mounting shaft and the axis of the locking roller is larger than the radius d of the abutting roller 2 The distance a between the axis of the mounting shaft and the axis of the locking roller is smaller than the radius d of the locking roller 1 Radius d of the abutting roller 2 The sum of d 2 <a<d 1 +d 2
Compared with the prior art, the invention has the beneficial effects that:
1. because locking roller, support roller and dwang and set up relatively, realize two installation axle simultaneous rotation through gear drive subassembly and synchronizing wheel subassembly, the rotation direction of two installation axles has been ensured to be opposite, so two dwang drive locking roller rotate with the axis of installation axle, when the locking roller is kept away from the direction of supporting the roller and is rotated, the clearance between locking roller and the supporting roller increases, the installation of quilt of being convenient for, when the locking roller is close to the direction of supporting the roller and rotates, can be with the quilt fixed centre gripping between locking roller and supporting roller, because the distance a between installation axle axis and the locking roller axis is greater than radius d of supporting the roller 2 The distance a between the axis of the mounting shaft and the axis of the locking roller is smaller than the radius d of the locking roller 1 Radius d of the abutting roller 2 And when the quilting is fixed, the force application points between the locking roller and the abutting roller are uniformly distributed on the abutting roller and positioned on the tangential plane between the locking roller and the abutting roller, and the quilting can be fixed through the locking roller and the abutting roller without damaging the quilting.
2. The quilting machine can move through the support assembly and the gear rack assembly, the second motor is matched to drive the mounting seat to rotate, different positions of quilts can be sewed, and quilts at different positions can be sewed.
3. When the redundant part of the quilting quilt needs to be cut, the L-shaped mounting plate is driven to move to a proper position through the motor IV and the threaded rod, the abutting plate abuts against the lower end face of the quilting quilt, and the air cylinder drives the cutting knife to move to cut the quilting quilt.
In conclusion, the quilting machine is ingenious in structure and reasonable in design, quilting can be fixed through the locking roller and the abutting roller, quilting can not be damaged while the quilting is fixed, the position of the quilting machine can be moved through the bracket component and the motor II, and different positions of the quilting can be sewn.
Drawings
FIG. 1 is a schematic structural view of the hidden quilting automatic production equipment provided by the invention;
FIG. 2 is a schematic view of the structure of a base part of the hidden quilted automatic production equipment according to the present invention;
FIG. 3 is a schematic view of a portion of a bracket assembly in the hidden quilted automatic production facility according to the present invention;
FIG. 4 is an enlarged view of a part of the structure of the installation seat in the hidden quilted automatic production equipment provided by the invention;
fig. 5 is an enlarged view of a part of the structure of the driving wheel in the hidden quilting automatic production equipment provided by the invention.
In the figure: the quilter comprises a base 1, a vertical support 2, a connecting transverse frame 3, a first motor, a 5 limit transverse frame, a 6 sliding seat, a 7 wire frame, an 8 cylinder, a 9L-shaped mounting plate, a fourth motor, a 11 limit groove, a 12 threaded rod, a 13 quilter, a 14 gear, a 15 rack, a 16 mounting seat, a 17 locking roller, a 18 rotating rod, a 19 bearing plate, a 20 driving wheel, a 21 synchronous wheel I, a 22 synchronous belt, a 23 synchronous wheel II, a 24 cutting knife, a 25 mounting shaft, a 26 driven wheel, a 27 mounting groove, a 28 motor III and a 29 bearing roller.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1-5, the automatic hidden quilting production equipment comprises a base 1, wherein a limit groove 11 is formed in the upper surface of the base 1, a motor IV 10 is installed on the side wall of the base 1, an output shaft of the motor IV 10 extends into the limit groove 11 and is provided with a threaded rod 12, an L-shaped mounting plate 9 is connected to the threaded rod 12 in a threaded manner, an air cylinder 8 is installed on the upper end surface of the L-shaped mounting plate 9, the output end of the air cylinder 8 penetrates through the L-shaped mounting plate 9 and is provided with a cutting knife 24, and a retaining plate 19 is installed on the side wall of the L-shaped mounting plate 9;
the base 1 is provided with a bracket assembly, the bracket assembly comprises four vertical brackets 2 which are symmetrically arranged, a connecting transverse frame 3 is jointly arranged between the two vertical brackets 2 corresponding to the positions, a plurality of limiting transverse frames 5 are jointly arranged between the two connecting transverse frames 3, and each limiting transverse frame 5 is slidably connected with a sliding seat 6;
a plurality of first motors 4 are symmetrically arranged on the bracket assembly, a gear rack assembly is jointly arranged between the output end of each first motor 4 and the bracket assembly, a rack 15 is arranged on the side wall of each limit transverse frame 5, the first motors 4 are arranged on the upper end surface of the sliding seat 6, the output shafts of the first motors 4 penetrate through the sliding seat 6 and are provided with gears 14, the gears 14 are meshed with the racks 15, a quilting machine 13 is arranged at the output end of the gear rack assembly, the quilting machine 13 is arranged on the lower end surface of the sliding seat 6, and a wire frame 7 is arranged on the side wall of the quilting machine 13;
a second motor is arranged in the base 1, the output end of the second motor extends out of the base 1 and is provided with a mounting seat 16, two mounting grooves 27 are symmetrically formed in the mounting seat 16, two supporting rollers 29 are symmetrically arranged on the mounting seat 16, two mounting shafts 25 are symmetrically arranged on the mounting seat, the axes of the mounting shafts 25 and the supporting rollers 29 are not positioned on the same straight line, rotating rods 18 are arranged at two ends of each mounting shaft 25, locking rollers 17 are jointly arranged on the two corresponding rotating rods 18, and the distance a between the axes of the mounting shafts 25 and the axes of the locking rollers 17 is larger than the radius d of the supporting rollers 29 2 The distance a between the axis of the mounting shaft 25 and the axis of the locking roller 17 is smaller than the radius d of the locking roller 17 1 Radius d from the abutment roller 29 2 The sum of d 2 <a<d 1 +d 2 A third motor 28 is arranged on the inner side wall of one mounting groove 27, the output shaft of the third motor 28 is connected with the corresponding mounting shaft 25 through a gear transmission assembly, the gear transmission assembly comprises a driving wheel 20, the driving wheel 20 is arranged on the output shaft of the third motor 28, a driven wheel 26 is arranged on the corresponding position of the third motor 28, and the driven wheel 26 is meshed with the driving wheel 20;
the output shaft of the motor III 28 is connected with the other mounting shaft 25 through a synchronizing wheel assembly, the synchronizing wheel assembly comprises a synchronizing wheel I21, the synchronizing wheel I21 is mounted on the output shaft of the motor III 28, the other mounting shaft 25 is provided with a synchronizing wheel II 23, the synchronizing wheel I21 and the synchronizing wheel II 23 are jointly provided with a synchronizing belt 22, the number of teeth of the synchronizing wheel I21 and the driving wheel 20 is equal, the modulus of the synchronizing wheel I21 and the driving wheel 20 is equal, the number of teeth of the driven wheel 31 and the synchronizing wheel II 23 is equal, and the modulus of the driven wheel 31 and the synchronizing wheel II 23 is equal.
Working principle:
when clamping quilting: the motor III 28 is opened, the output shaft of the motor III 28 drives the driving wheel 20 and the synchronous wheel I21 to rotate clockwise, the driving wheel 20 drives the driven wheel 26 to rotate anticlockwise through gear engagement, the synchronous wheel I21 drives the synchronous wheel II 23 to rotate clockwise through the synchronous belt 22, so that the two mounting shafts 25 simultaneously rotate and rotate in opposite directions, the two rotating rods 18 drive the locking rollers 17 to rotate along the axes of the mounting shafts 25 simultaneously, at the moment, the two locking rollers 17 are far away from the corresponding abutting rollers 29, the gap between the locking rollers 17 and the abutting rollers 29 is gradually increased until the gap between the locking rollers 17 and the abutting rollers 29 is convenient for placing the quilting, the motor III 28 is closed, then the two ends of the quilting are respectively placed between the two locking rollers 17 and the abutting rollers 29, the motor III 28 is opened again after the quilting is completed, the output shaft of the motor III 28 drives the driven wheel 20 and the synchronous wheel I21 to rotate anticlockwise, the synchronous wheel II 21 is driven by the synchronous belt 22, so that the two mounting shafts 25 drive the two locking rollers 17 to rotate anticlockwise, and the two locking rollers 17 rotate towards the corresponding abutting rollers 29, the gap between the locking rollers 17 and the abutting rollers 29 is gradually increased until the gap between the locking rollers 17 and the abutting rollers 29 is gradually reduced, and the quilting rollers 29 can be closed when the gap between the two locking rollers 17 and the rollers 29 is gradually closed;
when quilting is performed: the first motor 4 is started, the output shaft of the first motor 4 drives the gear 14 to rotate, and the gear 14 is meshed with the rack 15, so that the sliding seat 6 is driven to move on the limiting transverse frame 5, the quilting machine 13 moves, and the quilting machine 13 sews quilts;
it is worth to say that when other positions of the quilting are needed to be stitched, the second motor drives the mounting seat 16 to rotate, and the position of the quilting machine 13 is adjusted by matching with the rack and pinion mechanism, so that different positions of the quilting are stitched;
it is worth noting that when the motor II rotates the mounting seat 16, the motor IV 10 and the threaded rod 12 drive the L-shaped mounting plate 9 to move to a position which does not affect the rotation of the mounting seat 16, when the redundant part of the quilting needs to be cut, the motor IV 10 and the threaded rod 12 drive the L-shaped mounting plate 9 to move to a proper position, and at the moment, the abutting plate 19 abuts against the lower end face of the quilting, and the air cylinder 8 drives the cutting knife 24 to move to cut the quilting.
Although terms of the base 1, the vertical bracket 2, the connection cross frame 3, the first motor 4, the limit cross frame 5, the slide holder 6, the thread stand 7, the air cylinder 8, the L-shaped mounting plate 9, the fourth motor 10, the limit groove 11, the threaded rod 12, the quilting machine 13, the gear 14, the rack 15, the mounting seat 16, the locking roller 17, the rotating rod 18, the retaining plate 19, the driving wheel 20, the first synchronizing wheel 21, the timing belt 22, the second synchronizing wheel 23, the cutter 24, the mounting shaft 25, the driven wheel 26, the mounting groove 27, the third motor 28, the abutment roller 29, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims (9)

1. Hidden quilting quilt automatic production equipment, including base (1), its characterized in that: the quilting machine comprises a base (1), wherein a bracket assembly is arranged on the base (1), a plurality of first motors (4) are symmetrically arranged on the bracket assembly, a gear rack assembly is commonly arranged between the output end of each first motor (4) and the bracket assembly, a quilting machine (13) is arranged at the output end of the gear rack assembly, and a wire frame (7) is arranged on the side wall of the quilting machine (13);
install motor two in base (1), the output of motor two extends to outside base (1) and installs mount pad (16), two mounting grooves (27) have been seted up to the symmetry on mount pad (16), two support roller (29) are installed to the symmetry on mount pad (16), two installation axle (25) are installed to the symmetry on the mount pad, every dwang (18) are all installed at the both ends of installation axle (25), and two that the position is corresponding install locking roller (17) jointly on dwang (18), one of them install motor three (28) on the inside wall of mounting groove (27), be connected through gear drive subassembly between the output shaft of motor three (28) and the corresponding installation axle (25) of position, be connected through synchronous wheel subassembly between the output shaft of motor three (28) and another installation axle (25).
2. The hidden quilting automatic production equipment according to claim 1, wherein: the support assembly comprises four vertical supports (2) which are symmetrically arranged, a connecting transverse frame (3) is jointly installed between the vertical supports (2) corresponding to each other in position, a plurality of limiting transverse frames (5) are jointly installed between the connecting transverse frames (3), sliding seats (6) are uniformly and slidingly connected to each limiting transverse frame (5), and quilting machines (13) are installed on the lower end faces of the sliding seats (6).
3. The hidden quilting automatic production equipment according to claim 2, wherein: every all install rack (15) on the lateral wall of spacing crossbearer (5), and motor one (4) are installed at the up end of sliding seat (6), the output shaft of motor one (4) runs through sliding seat (6) and installs gear (14), and gear (14) and rack (15) meshing.
4. The hidden quilting automatic production equipment according to claim 1, wherein: the utility model discloses a cutting machine, including base (1), cutting tool, screw rod (19) are installed on the lateral wall of base (1), spacing groove (11) has been seted up to the upper surface of base (1), install motor four (10) on the lateral wall of base (1), the output shaft of motor four (10) extends to in spacing groove (11) and installs threaded rod (12), threaded connection has L type mounting panel (9) on threaded rod (12), cylinder (8) are installed to the up end of L type mounting panel (9), the output of cylinder (8) runs through L type mounting panel (9) and installs cutting knife (24), install on the lateral wall of L type mounting panel (9) and bear board (19).
5. The hidden quilting automatic production equipment according to claim 1, wherein: the gear transmission assembly comprises a driving wheel (20), the driving wheel (20) is arranged on an output shaft of a motor III (28), a driven wheel (26) is arranged on the gear transmission assembly corresponding to the motor III (28), and the driven wheel (26) is meshed with the driving wheel (20).
6. The hidden quilting automatic production equipment according to claim 5, wherein: the synchronous wheel assembly comprises a synchronous wheel I (21), the synchronous wheel I (21) is arranged on an output shaft of a motor III (28), a synchronous wheel II (23) is arranged on the other mounting shaft (25), and a synchronous belt (22) is jointly arranged on the synchronous wheel I (21) and the synchronous wheel II (23).
7. The hidden quilting automatic production equipment according to claim 6, wherein: the first synchronous wheel (21) and the driving wheel (20) have the same number of teeth, the first synchronous wheel (21) and the driving wheel (20) have the same modulus, the driven wheel (31) and the second synchronous wheel (23) have the same number of teeth, and the driven wheel (31) and the second synchronous wheel (23) have the same modulus.
8. The hidden quilting automatic production equipment according to claim 1, wherein: the axis of the mounting shaft (25) and the axis of the abutting roller (29) are not positioned on the same straight line.
9. The hidden quilting automatic production equipment according to claim 1, wherein: the distance a between the axis of the mounting shaft (25) and the axis of the locking roller (17) is larger than the radius d of the abutting roller (29) 2 The distance a between the axis of the mounting shaft (25) and the axis of the locking roller (17) is smaller than the radius d of the locking roller (17) 1 Radius d with the abutting roller (29) 2 The sum of d 2 <a<d 1 +d 2
CN202311629777.XA 2023-11-30 2023-11-30 Automatic production equipment for hidden quilting quilt Pending CN117385560A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311629777.XA CN117385560A (en) 2023-11-30 2023-11-30 Automatic production equipment for hidden quilting quilt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311629777.XA CN117385560A (en) 2023-11-30 2023-11-30 Automatic production equipment for hidden quilting quilt

Publications (1)

Publication Number Publication Date
CN117385560A true CN117385560A (en) 2024-01-12

Family

ID=89468573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311629777.XA Pending CN117385560A (en) 2023-11-30 2023-11-30 Automatic production equipment for hidden quilting quilt

Country Status (1)

Country Link
CN (1) CN117385560A (en)

Similar Documents

Publication Publication Date Title
CN200946196Y (en) Numerical control single-needle long-stitch sewing-machine
CN1904173B (en) Multihead birow quilting embroidering integrated machine
CN201501983U (en) Drum-type computer numerical control embroidery machine
CN112609340B (en) Quilting table for quilting quilt and using method thereof
CN113151987B (en) Clamping structure for cloth sewing
CN117385560A (en) Automatic production equipment for hidden quilting quilt
CN2934300Y (en) Multi-head birow quilting embroidering integrated machine
CN211972659U (en) Material pulling and cutting device of automatic continuous quilting and cutting integrated machine
CN216809164U (en) Automatic quilting machine
CN219342515U (en) Active middle cutting device of full-automatic quilter
CN110409094B (en) Knife band adjusting system of vertical knife type high-speed numerical control fabric dividing machine
CN102888715A (en) Drum type computer numerical control quilting embroidery machine
CN217127729U (en) Shaft transmission device of quilter
CN214142795U (en) Roller transmission structure for quilting machine
CN214421891U (en) Feeding mechanism for quilting and cutting equipment
CN219117723U (en) Hemming machine for curtain production
CN221166979U (en) Double-shaft input needling mechanism for needling machine
CN217922595U (en) Gantry type frame transmission structure
CN219603886U (en) Embroidery bead one-by-one feeding mechanism of embroidery machine
CN217127734U (en) Belt pulley support of quilting machine
CN219731280U (en) Auxiliary device for sewing of flat car sewing machine
CN212741746U (en) Traction device of cotton door curtain sewing machine
CN218090042U (en) Quilting quilt production device
CN214142832U (en) Quilting and embroidering machine convenient to maintain and good in durability
CN220746171U (en) Chenille double-sided spinning machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination