CN215189871U - Nose of flat filament tufting machine - Google Patents
Nose of flat filament tufting machine Download PDFInfo
- Publication number
- CN215189871U CN215189871U CN202121130572.3U CN202121130572U CN215189871U CN 215189871 U CN215189871 U CN 215189871U CN 202121130572 U CN202121130572 U CN 202121130572U CN 215189871 U CN215189871 U CN 215189871U
- Authority
- CN
- China
- Prior art keywords
- shredding
- punching needle
- hinged
- hair
- fixed
- 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.)
- Active
Links
Images
Landscapes
- Nonwoven Fabrics (AREA)
Abstract
The utility model relates to a head of a flat filament hair-planting machine, the hair-planting head comprises a cutter core box and a cutter core rod, a shredding mechanism is arranged above a hair mouth brush hair inlet, the shredding mechanism comprises a shredding fixed cutter and a shredding movable cutter which are mutually matched, the shredding fixed cutter is fixed in the cutter core rod and pressed on a punching needle guide groove, the shredding movable cutter is fixed at the left end of a shredding push rod, the middle part of the shredding push rod is inserted in a push rod seat and can slide left and right, the right end of the shredding push rod is hinged with the left end of a shredding connecting plate, the right end of the shredding connecting plate is hinged with the lower end of an L-shaped swing arm, the corner of the L-shaped swing arm is hinged on an L-shaped swing arm seat through a pin shaft, the right end of the L-shaped swing arm is hinged with the lower end of a shredding connecting rod through a ball joint, the upper end of the shredding connecting rod is hinged at the free end of the shredding conjugate swing arm, the shredding conjugate swing arm is fixedly arranged on the shaft and is matched with a shredding conjugate cam, the thread cutting conjugate cam is fixed on the main shaft. The machine head has the advantages of simple structure, small occupied space, reliable action and low failure rate.
Description
Technical Field
The utility model relates to a plant the hair machine, especially relate to a flat filament tufting machine's aircraft nose belongs to tufting equipment technical field.
Background
When the hair brush is planted, a hole is drilled on a bottom plate of a brush body, then the hair brush is planted into the hole through a hair planting head, and the hair root of the planted hair needs to be planted into the hole along with an iron wire because the hair brush is easy to loosen and fall off. The hair planting head comprises a fixed seat and a hair mouth, the hair mouth is fixed on a hair mouth guide rod, the hair mouth guide rod can move back and forth in a corresponding guide groove of the fixed seat, hair planting is completed once in each action, an iron wire which is cut into a certain length is required to correspond to each bundle of bristles, a punching needle and a wire feeding seat which sends out the iron wire are arranged behind the hair mouth, the front end of the punching needle is over against a central hole channel of the hair mouth, the central line of a wire feeding hole of the wire feeding seat is perpendicular to the central line of the central hole channel of the hair mouth, after the wire feeding seat sends out the iron wire, the required length is cut out by a wire cutting knife, then the punching needle pushes out a flat wire and presses the flat wire at the middle part of a bundle of bristles, the bristles are folded from the middle part to form a hair root and are planted in a brush hole along with the flat wire.
The existing shredding mechanism and punching needle driving mechanism are complex in structure, large in occupied space, poor in reliability, multiple in-work faults, and capable of easily causing the expansion of equipment damage after the faults occur, and once the faults occur, time and labor are wasted in inspection and disassembly, the technical difficulty is high, and the production efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a flat filament tufting machine's aircraft nose, shredding mechanism's structure is succinct, and it is little to occupy space, and the action is reliable, and the fault rate is low.
In order to solve the technical problem, the head of the flat filament tufting machine of the utility model comprises a main shaft, a rocker shaft and a tufting head, wherein the main shaft and the rocker shaft are fixed on a frame, the tufting head comprises a core box and a core rod inserted in the core box, the lower end of the core rod is provided with a hair tip, a punching needle guide groove is arranged along the axis of the core rod, a punching needle is arranged in the punching needle guide groove, the upper part of the hair tip is provided with a hair tip brush hair inlet, the root of the hair tip brush hair inlet is vertically crossed with the punching needle guide groove, a shredding mechanism is arranged above the hair tip brush hair inlet, the shredding mechanism comprises a shredding fixed cutter and a shredding movable cutter which are mutually matched, the shredding fixed cutter is fixed with the core rod and pressed on the punching needle guide groove, the movable cutter is fixed at the left end of a shredding push rod, the middle part of the shredding push rod is inserted in a push rod seat and can slide left and right, the right end of the shredding push rod is hinged with the left end of the shredding connecting plate, the right end of the shredding connecting plate is hinged with the lower end of the L-shaped swing arm, the corner of the L-shaped swing arm is hinged to the L-shaped swing arm seat through a pin shaft, the right end of the L-shaped swing arm is hinged with the lower end of the shredding connecting rod through a ball joint, the upper end of the shredding connecting rod is hinged to the free end of the shredding conjugate rocker arm, the shredding conjugate rocker arm is fixedly installed on the rocker shaft and matched with the shredding conjugate cam, and the shredding conjugate cam is fixed on the main shaft.
As an improvement of the utility model, still install the conjugate cam of hair mouth on the main shaft, the conjugate rocking arm of hair mouth is still installed to the rocking arm epaxial, the free end of conjugate rocking arm of hair mouth articulates there is the hair mouth connecting rod, the lower extreme of hair mouth connecting rod with the upper end of hair mouth sword core is articulated mutually.
As a further improvement, the upper portion of frame is still installed and is dashed the needle drive shaft, dash the one end of needle drive shaft and install and dash the big band pulley of needle drive, dash the big band pulley of needle drive through the hold-in range with dash the little band pulley transmission of needle drive and be connected, it fixes to dash the little band pulley of needle drive on the main shaft, it installs towards the needle runner to dash the other end of needle drive shaft, it has towards the needle connecting rod to dash to articulate on the circumference of needle runner, it is articulated mutually with the piston rod upper end of dashing the needle cylinder through the transition connecting rod to dash the lower extreme of needle connecting rod, dash the piston rod lower extreme of needle cylinder with it is articulated mutually to dash the upper end of needle, the cylinder body of dashing the needle cylinder is fixed in the frame.
As a further improvement, the left end head of shredding the push rod has connect soon and has moved sword fastening screw, the right-hand member head that moves sword fastening screw supports and leans on the pressing wire piece, the pressing wire piece is pressed shred on the left end face of sword, the inner wall of pressing wire piece is equipped with the flat wire guide way, and flat iron wire passes the flat wire guide way inserts in the punching needle guide slot.
As a further improvement of the utility model, the flat wire guide groove is in the inner wall of the wire pressing block is provided with two channels side by side.
As a further improvement of the utility model, the wire feeding channel of the flat iron wire is provided with an inductive switch.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: 1. a bundle of bristles are sent to a central pore passage of the hair nozzle from a hair nozzle bristle inlet, a flat iron wire is sent along a flat wire guide groove of a wire pressing block, and a free end of the flat iron wire is inserted to the opposite bank of a punching needle guide groove and is tightly attached to the bottom wall of a shredding fixed cutter; the main shaft drives the shredding conjugate cam to rotate, the shredding conjugate cam drives the shredding conjugate rocker arm to swing on the rocker shaft, the shredding conjugate rocker arm drives the shredding connecting rod to swing up and down, the lower end of the shredding connecting rod pulls the right end of the L-shaped swing arm to swing up and down around the pin shaft, the lower end of the L-shaped swing arm swings left and right around the pin shaft, the shredding connecting plate drives the shredding push rod to move left and right in the push rod seat, the left end of the shredding push rod drives the shredding movable knife to move left and right, the shredding movable knife and the shredding fixed knife are staggered to cut flat iron wires, then the punching needle punches downwards to push the flat wires to move downwards and press the middle of a bundle of bristles to enter a central hole of a bristle nozzle, and then the flat wires are planted in the brush hole.
2. The wire pressing block is provided with two flat wire guide grooves with different widths, so that the wire pressing block can adapt to different varieties, when the specification of a flat iron wire is changed, the knife fastening screw is unscrewed, and the wire pressing block is compressed again after the edge is changed.
3. When the wire feeding and cutting fails, the flat iron wire can be enriched and bent on the wire feeding channel, and the induction switch is triggered, so that the hair planting machine is stopped, and the generation of more defective products or the damage to equipment is avoided.
4. When the bristles are planted, the brush nozzle conjugate cam rotating along with the main shaft drives the brush nozzle conjugate rocker to swing, the brush nozzle conjugate rocker drives the brush nozzle connecting rod to move up and down, the lower end of the brush nozzle connecting rod drives the cutter core rod to move up and down in the cutter core box, and when the brush nozzle abuts against the brush holes, the punching needle implants the bristles into the brush holes.
5. The punching needle rotating along with the main shaft drives the small belt wheel to drive the punching needle to drive the large belt wheel to rotate through the synchronous belt, the punching needle drives the large belt wheel to drive the punching needle rotating wheel to rotate through the punching needle driving shaft, the punching needle rotating wheel drives the upper end of the punching needle connecting rod to do circular motion, the lower end of the punching needle connecting rod drives the piston rod of the punching needle cylinder to do up-and-down reciprocating motion through the transition connecting rod, and the piston rod of the punching needle cylinder drives the punching needle to do up-and-down punching needle motion along the punching needle guide groove. When the punching needle is blocked when advancing, the punching needle cylinder can realize overload protection.
6. The filament cutting mechanism and the needle punching driving mechanism of the hair-planting machine head have the advantages of simple structure, small occupied space, reliable action, low failure rate and capability of realizing automatic shutdown protection during failure.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Fig. 1 is a front view of the head of the flat filament tufting machine of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a perspective view of the hair-planting head of fig. 1.
Fig. 4 is a perspective view of the mandrel bar of fig. 3.
FIG. 5 is a first enlarged perspective view of the shredding mechanism of FIG. 1.
Fig. 6 is an enlarged view of a portion a in fig. 5.
FIG. 7 is a second enlarged perspective view of the shredding mechanism of FIG. 1.
Fig. 8 is a cross-sectional view of the middle core bar of the present invention.
In the figure: 1. a main shaft; 2. a rocker shaft; 3. a tool core box; 4. a core bar; 4a, a hair tip; 4b, a hair mouth bristle inlet; 4c, punching a needle guide groove; 5. punching a needle; 6. shredding a conjugate cam; 7. shredding conjugate rocker arms; 8. a shredding connecting rod; 9, an L-shaped swing arm; 9a, a pin shaft; 10, an L-shaped swing arm seat; 11. shredding connecting plates; 12. shredding a push rod; 12a, fastening screws of the movable knife; 13. a push rod seat; 14. shredding the movable cutter; 15. pressing a wire block; 15a, a flat wire guide groove; 16. a shredding fixed knife; 17. a hair tip conjugate cam; 18. a hair tip conjugate rocker arm; 19. a hair mouth connecting rod; 20. the punching needle drives the large belt wheel; 21. punching a needle rotating wheel; 22. a punch pin connecting rod; 23. a needle punching cylinder; 24. an inductive switch; 25. and (5) flattening the iron wire.
Detailed Description
In the following description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, and do not mean that the device must have a specific orientation, for example, the fur nozzle may be downward or forward.
As shown in fig. 1 to 8, the handpiece of the flat filament tufting machine of the present invention comprises a main shaft 1, a rocker shaft 2 and a tufting head, wherein the main shaft 1 and the rocker shaft 2 are both fixed on a frame, the tufting head comprises a core box 3 and a core rod 4 inserted in the core box 3, the lower end of the core rod 4 is provided with a hair tip 4a, a punching needle guide slot 4c is arranged along the axis of the core rod 4, a punching needle 5 is installed in the punching needle guide slot 4c, the upper part of the hair tip 4a is provided with a hair tip brush hair inlet 4b, the root of the hair tip brush hair inlet 4b is vertically intersected with the punching needle guide slot 4c, a shredding mechanism is arranged above the hair tip brush hair inlet 4b, the shredding mechanism comprises a shredding fixed knife 16 and a shredding movable knife 14 which are matched with each other, the shredding fixed knife 16 is fixed in the core rod 4 and pressed on the punching needle guide slot 4c, the left end of the shredding movable knife 14 is fixed on the shredding push rod 12, the middle part of the shredding push rod 12 is inserted in a push rod seat 13 and can slide left and right, the right end of the shredding push rod 12 is hinged with the left end of the shredding connecting plate 11, the right end of the shredding connecting plate 11 is hinged with the lower end of the L-shaped swing arm 9, the corner of the L-shaped swing arm 9 is hinged on the L-shaped swing arm seat 10 through a pin shaft 9a, the right end of the L-shaped swing arm 9 is hinged with the lower end of the shredding connecting rod 8 through a ball joint, the upper end of the shredding connecting rod 8 is hinged at the free end of the shredding conjugate rocker arm 7, the shredding conjugate rocker arm 7 is fixedly installed on the rocker shaft 2 and matched with the shredding conjugate cam 6, and the shredding conjugate cam 6 is fixed on the main shaft 1.
As shown in fig. 5 to 7, the movable blade fastening screw 12a is screwed to the left end of the filament cutting push rod 12, the right end of the movable blade fastening screw 12a abuts against the filament pressing block 15, the filament pressing block 15 presses the left end face of the filament cutting movable blade 14, the inner wall of the filament pressing block 15 is provided with a flat filament guide groove 15a, and the flat iron wire 25 passes through the flat filament guide groove 15a and is inserted into the punch needle guide groove 4c.
The flat wire guide groove 15a can be equipped with the twice side by side at the inner wall of pressing the silk piece 15, sets up the flat wire guide groove 15a of two kinds of different width promptly, can adapt to different variety needs, when changing the specification of flat iron wire 25, the pine moves sword fastening screw 12a soon, will press the silk piece 15 to change the limit after compress tightly again can.
A bundle of bristles are sent to a central pore passage of the hair nozzle from a hair nozzle bristle inlet 4b, a flat iron wire 25 is sent along a flat wire guide groove 15a of a wire pressing block 15, and the free end of the flat iron wire is inserted to the opposite bank of a punching needle guide groove 4c and is tightly attached to the bottom wall of a shredding fixed cutter 16; the main shaft 1 drives the filament-cutting conjugate cam 6 to rotate, the filament-cutting conjugate cam 6 drives the filament-cutting conjugate rocker arm 7 to swing on the rocker shaft 2, the filament-cutting conjugate rocker arm 7 drives the filament-cutting connecting rod 8 to swing up and down, the lower end of the filament-cutting connecting rod 8 pulls the right end of the L-shaped swing arm 9 to swing up and down around a pin shaft 9a, the lower end of the L-shaped swing arm 9 swings left and right around the pin shaft 9a, the filament-cutting push rod 12 is driven to move left and right in the push rod seat 13 through the filament-cutting connecting plate 11, the left end of the filament-cutting push rod 12 drives the filament-cutting movable knife 14 to move left and right, the filament-cutting movable knife 14 and the filament-cutting fixed knife 16 are staggered to cut off flat iron wires 25, and then the punching needle 5 punches out downwards to push the flat wires to move downwards and press the middle of a bundle of bristles to enter a central hole of the hair nozzle 4a and then to be planted in a brush hole.
As shown in fig. 1 and 2, a hair tip conjugate cam 17 is further mounted on the main shaft 1, a hair tip conjugate rocker arm 18 is further mounted on the rocker shaft 2, a hair tip connecting rod 19 is hinged to a free end of the hair tip conjugate rocker arm 18, and a lower end of the hair tip connecting rod 19 is hinged to an upper end of the hair tip cutter core. When in hair planting, the hair tip conjugate cam 17 rotating along with the main shaft 1 drives the hair tip conjugate rocker 18 to swing, the hair tip conjugate rocker 18 drives the hair tip connecting rod 19 to move up and down, the lower end of the hair tip connecting rod 19 drives the cutter core rod 4 to do lifting motion in the cutter core box 3, and when the hair tip 4a is abutted against a brush hole, the punching needle 5 plants the bristles into the brush hole.
As shown in fig. 1 and 2, a punching needle driving shaft is further mounted at the upper part of the frame, a punching needle driving large belt pulley 20 is mounted at one end of the punching needle driving shaft, the punching needle driving large belt pulley 20 is in transmission connection with a punching needle driving small belt pulley through a synchronous belt, the punching needle driving small belt pulley is fixed on the main shaft 1, a punching needle rotating wheel 21 is mounted at the other end of the punching needle driving shaft, a punching needle connecting rod 22 is hinged on the circumference of the punching needle rotating wheel 21, the lower end of the punching needle connecting rod 22 is hinged with the upper end of a piston rod of the punching needle cylinder 23 through a transition connecting rod, the lower end of the piston rod of the punching needle cylinder 23 is hinged with the upper end of the punching needle 5, and a cylinder body of the punching needle cylinder 23 is fixed on the frame.
The punching needle rotating along the main shaft 1 drives the small belt pulley to drive the punching needle to drive the large belt pulley 20 to rotate through the synchronous belt, the punching needle drives the large belt pulley 20 to drive the punching needle rotating wheel 21 to rotate through the punching needle driving shaft, the punching needle rotating wheel 21 drives the upper end of the punching needle connecting rod 22 to do circular motion, the lower end of the punching needle connecting rod 22 drives the piston rod of the punching needle cylinder 23 to do up-and-down reciprocating motion through the transition connecting rod, and the piston rod of the punching needle cylinder 23 drives the punching needle to do up-and-down punching needle motion along the punching needle guide groove 4c. When the punching needle 5 is blocked when advancing, the punching needle cylinder 23 can realize overload protection.
As shown in fig. 2, the wire feeding channel of the flat iron wire 25 is provided with the inductive switch 24, when the wire feeding and cutting fails, the flat iron wire 25 will gather and bend on the wire feeding channel, and trigger the inductive switch 24, so that the hair planting machine is stopped, and the generation of more defective products or the damage to equipment is avoided.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (6)
1. The utility model provides a flat filament tufter's aircraft nose, includes main shaft, rocking arm axle and tufter, main shaft and rocking arm axle are all fixed in the frame, the tufter includes core box and the sword core pole of pegging graft in the core box, the lower extreme of sword core pole is equipped with the hair mouth, is equipped with towards the needle guide slot along the axis of sword core pole, install towards the needle in the needle guide slot, the upper portion of hair mouth is equipped with hair mouth brush hair entry, the root of hair mouth brush hair entry with it intersects perpendicularly to dash the needle guide slot, the top of hair mouth brush hair entry is equipped with shredding mechanism, its characterized in that: the shredding mechanism comprises a shredding fixed cutter and a shredding movable cutter which are matched with each other, the shredding fixed cutter is fixed in the cutter core rod and pressed on the punching needle guide groove, the shredding movable cutter is fixed at the left end of a shredding push rod, the middle part of the shredding push rod is inserted in a push rod seat and can slide left and right, the right end of the shredding push rod is hinged with the left end of a shredding connecting plate, the right end of the shredding connecting plate is hinged with the lower end of an L-shaped swing arm, the corner of the L-shaped swing arm is hinged on the L-shaped swing arm seat through a pin shaft, the right end of the L-shaped swing arm is hinged with the lower end of a shredding connecting rod through a ball joint, the upper end of the shredding connecting rod is hinged at the free end of a shredding conjugate rocker arm, the shredding conjugate rocker arm is fixedly installed on the rocker shaft and matched with a shredding conjugate cam, and the shredding conjugate cam is fixed on the main shaft.
2. The head of the flat filament tufting machine of claim 1, wherein: the main shaft is further provided with a hair mouth conjugate cam, the rocker shaft is further provided with a hair mouth conjugate rocker arm, the free end of the hair mouth conjugate rocker arm is hinged with a hair mouth connecting rod, and the lower end of the hair mouth connecting rod is hinged with the upper end of the hair mouth cutter core.
3. The head of the flat filament tufting machine of claim 1, wherein: the punching machine is characterized in that a punching needle driving shaft is further mounted on the upper portion of the rack, a punching needle driving large belt wheel is mounted at one end of the punching needle driving shaft, the punching needle driving large belt wheel is in transmission connection with a punching needle driving small belt wheel through a synchronous belt, the punching needle driving small belt wheel is fixed on the main shaft, a punching needle rotating wheel is mounted at the other end of the punching needle driving shaft, a punching needle connecting rod is hinged to the circumference of the punching needle rotating wheel, the lower end of the punching needle connecting rod is hinged to the upper end of a piston rod of a punching needle cylinder through a transition connecting rod, the lower end of the piston rod of the punching needle cylinder is hinged to the upper end of the punching needle, and a cylinder body of the punching needle cylinder is fixed on the rack.
4. The head of the flat filament tufting machine according to claim 1, 2 or 3, wherein: the left end of the shredding push rod is screwed with a movable cutter fastening screw, the right end of the movable cutter fastening screw abuts against a wire pressing block, the wire pressing block is pressed on the left end face of the shredding movable cutter, the inner wall of the wire pressing block is provided with a flat wire guide groove, and a flat iron wire penetrates through the flat wire guide groove and is inserted into the punching needle guide groove.
5. The head of the flat filament tufting machine according to claim 4, wherein: the flat wire guide groove is provided with two parallel grooves on the inner wall of the wire pressing block.
6. The head of the flat filament tufting machine according to claim 4, wherein: and an inductive switch is arranged on the wire feeding channel of the flat iron wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121130572.3U CN215189871U (en) | 2021-05-25 | 2021-05-25 | Nose of flat filament tufting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121130572.3U CN215189871U (en) | 2021-05-25 | 2021-05-25 | Nose of flat filament tufting machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215189871U true CN215189871U (en) | 2021-12-17 |
Family
ID=79420971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121130572.3U Active CN215189871U (en) | 2021-05-25 | 2021-05-25 | Nose of flat filament tufting machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215189871U (en) |
-
2021
- 2021-05-25 CN CN202121130572.3U patent/CN215189871U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201595369U (en) | Bristle implanting machine | |
CN215189871U (en) | Nose of flat filament tufting machine | |
CN209692126U (en) | A kind of full-automatic multi-thread both-end pressure side enters rubber shell machine | |
CN210080637U (en) | Labeling and riveting equipment for cutter | |
CN212729124U (en) | Triaxial flat filament tufting machine | |
CN112693169A (en) | Machine head of carton stapler | |
CN207290885U (en) | A kind of product cutting means for blow moulding machine | |
CN209030752U (en) | A kind of mushroom automatic acquisition device | |
CN207806499U (en) | Fish hook molding machine | |
CN209478289U (en) | A kind of skin of beancurd shear | |
CN212382060U (en) | Full-automatic sugarcane peeling and cutting machine | |
CN207649465U (en) | A kind of molding potted flower is automatically slotting to drain line system | |
CN211703661U (en) | Cutting machine is used in woman's shoe production | |
CN202722975U (en) | Flat silk hair mouth assembly | |
CN2733996Y (en) | Head of staple tufting machine | |
CN214007767U (en) | Rotary connecting piece of high branch shears | |
CN215189870U (en) | Civil scrubbing brush bristle planting machine | |
CN102715726B (en) | Flat filament brush-making head | |
CN207649464U (en) | A kind of integrated form automatic insertion-leading device of molding potted flower | |
CN220717660U (en) | U-shaped nail processing and forming device | |
CN213624625U (en) | Hosiery machine cutting mechanism | |
CN107957216B (en) | A kind of molding potted flower is automatically slotting to drain line system | |
CN216947341U (en) | Shear knot connects tail ware | |
CN221044474U (en) | Single-double-line hair planting machine | |
CN213487526U (en) | Round silk tufting mouth |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |