CN211181956U - Automatic winding machine for hook needle type magnetic ring - Google Patents

Automatic winding machine for hook needle type magnetic ring Download PDF

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Publication number
CN211181956U
CN211181956U CN201922182749.3U CN201922182749U CN211181956U CN 211181956 U CN211181956 U CN 211181956U CN 201922182749 U CN201922182749 U CN 201922182749U CN 211181956 U CN211181956 U CN 211181956U
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China
Prior art keywords
winding
magnetic ring
wire
clamping
hook
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CN201922182749.3U
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Chinese (zh)
Inventor
周珂
陈慧
廖述艳
马细艳
黄奇翰
熊刚
廖述林
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Zhongshan Competent Automation Equipment Co ltd
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Zhongshan Competent Automation Equipment Co ltd
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Abstract

The utility model discloses a crochet hook formula magnetic ring automatic coil winding machine, comprises a workbench, the workstation is equipped with control system, and the centre gripping magnetic ring makes its rotatory wire winding's centre gripping winding displacement mechanism, and feeding mechanism sends line mechanism, winding mechanism, wire winding positioning mechanism, tail wire broken string mechanism and can follow centre gripping station of centre gripping winding displacement mechanism will accomplish wire-wound magnetic ring and send to the receiving agencies of receiving the material position, wire winding positioning mechanism including can reciprocating motion will be colluded by the wire winding of centre gripping magnetic ring top and draw to supplementary hook and drive in the wire winding crochet hook the supplementary hook drive of reciprocating motion is done to supplementary hook. The utility model discloses simple structure is compact, and occupation of land space is little, and each mechanism all realizes automaticly, has improved the wire winding production efficiency of magnetic ring, has reduced manufacturing cost.

Description

Automatic winding machine for hook needle type magnetic ring
[ technical field ] A method for producing a semiconductor device
The utility model relates to a crochet hook formula magnetic ring automatic coil winding machine belongs to the automatic wire winding production technical field of magnetic ring.
[ background of the invention ]
When the magnetic ring is used as an iron core inductor, a lead needs to be wound on a magnetic ring body, various problems of different leads in production are solved for different magnetic rings, various magnetic ring winding machines are available in the market at present, most of the magnetic ring winding machines are designed for wire storage ring type or disc type winding machines, the winding machines are not suitable for winding wires with thick wire diameters, and hook needle type winding machines in the market at present often have the problems of shell clamping, machine halt and the like in production due to inaccurate winding trend positioning, inaccurate wire hooking and the like, so that the full-automatic production efficiency is influenced.
[ Utility model ] content
The utility model aims at overcoming the defects of the prior art, and providing a crochet hook type magnetic ring automatic winding machine which has low winding trend positioning precision and can quickly and accurately hook the wire.
The utility model aims at realizing through the following technical scheme:
the utility model provides a crochet hook formula magnetic ring automatic coil winding machine, includes the workstation, its characterized in that the workstation is equipped with control system, and the centre gripping magnetic ring makes its rotatory wire winding's centre gripping winding displacement mechanism, feeding mechanism, send line mechanism, winding mechanism, wire winding positioning mechanism, tail line broken string mechanism and can follow the receiving agencies that the material receiving agencies will be sent to the magnetic ring of accomplishing wire winding of centre gripping winding displacement mechanism, wire winding positioning mechanism including can reciprocating motion will be colluded by the wire winding of centre gripping magnetic ring top and draw to supplementary hook and drive in the wire winding crochet hook the supplementary hook drive that reciprocating motion was done to supplementary hook.
The automatic coil winding machine for the hook needle type magnetic ring is characterized in that the coil feeding mechanism comprises a wire clamping manipulator and a wire cutting assembly.
The automatic coil winding machine for the hook needle type magnetic ring is characterized in that the coil winding mechanism comprises a coil winding hook needle and a coil winding module, wherein the coil winding hook needle is arranged on the workbench and can axially reciprocate along the magnetic ring within the inner diameter range of the magnetic ring clamped by the clamping and winding mechanism to enable a coil to pass through the magnetic ring, and the coil winding module can rotate the coil winding passing through the magnetic ring and then transversely arrange the coil winding module above the annular surface of the magnetic ring again.
The automatic winding machine for the hook needle type magnetic ring is characterized in that the winding module comprises a fixed seat and a rotating seat, the fixed seat is fixedly arranged, the rotating seat can rotate relative to the fixed seat, a wire clamping assembly capable of rotating around the magnetic ring along with the rotation of the rotating seat is arranged on the rotating seat, and the fixed seat is provided with an opening and closing drive which can enable the wire clamping assembly to clamp the winding when the wire clamping assembly is located at a set position below the magnetic ring and enable the wire clamping assembly to release the winding after the wire clamping assembly drives the clamped winding to rotate around the magnetic ring by a set angle.
The automatic coil winding machine for the hook needle type magnetic ring is characterized in that the wire clamping assembly comprises a wire clamping frame arranged on the rotating seat, a fixed chuck and a movable chuck capable of being far away from or close to the fixed chuck are arranged on the wire clamping frame, a matching portion capable of being matched with the opening and closing drive is arranged at the driving end of the movable chuck, and a reset spring capable of pushing the movable chuck to reset is further arranged between the movable chuck and the wire clamping frame.
The automatic coil winding machine for the hook needle type magnetic ring is characterized in that the opening and closing drive comprises a convex surface and a concave surface which are circumferentially continuous and are arranged on the fixed seat, and the matching part is a roller capable of rolling on the convex surface and the concave surface when the rotating seat rotates.
The automatic coil winding machine for the hook needle type magnetic ring is characterized in that the wire clamping frame is in a frame shape when the fixed chuck and the movable chuck are combined.
The automatic coil winding machine for the hook needle type magnetic ring is characterized in that the coil clamping manipulator of the coil feeding mechanism comprises a first coil clamping manipulator capable of clamping a coil passing through the coil cutting assembly from the coil supply seat and a second coil clamping manipulator capable of clamping the coil passing through the coil cutting assembly and feeding the coil to a specified position.
The automatic coil winding machine for the hook needle type magnetic ring is characterized in that the workbench is further provided with a wire positioning mechanism capable of receiving the coils transmitted by the wire feeding mechanism.
The automatic winding machine for the hook needle type magnetic ring is characterized in that a limiting ring seat is further arranged between the workbench and the clamped magnetic ring, and the winding hook needle penetrates through the limiting ring seat when hooking.
Compared with the prior art, this practicality has following advantage:
in the utility model, the wire feeding mechanism is conveyed by the two wire clamping manipulators in a matching way, so that the slipping and abrasion of the traditional wire feeding structure are avoided, the conveying power is improved, the wire can be stably fed for the thick wire diameter conveying, the wire cutting component of the wire feeding mechanism quickly and cleanly cuts the wire, the belt transmission of the clamping and arranging mechanism improves the transmission power and stability of the magnetic ring, and the wire arrangement is more uniform; the winding mechanism can stably rotate to control the opening and closing of the wire clamping assembly, so that the loss of winding in the winding process is avoided, meanwhile, the winding positioning mechanism assists in winding the wire by a hook needle, and the wire positioning mechanism at the appointed position of the free end of the winding tensions the winding, so that the guiding and positioning requirements of wire feeding are greatly reduced, and the wire hooking efficiency is improved; the automation of the tail wire breaking mechanism and the receiving mechanism further improves the ending efficiency of the magnetic ring after winding, and an operator of the winding machine only needs to take away the charging basket on time.
The utility model discloses simple structure is compact, and occupation of land space is little, and each mechanism all realizes automaticly, has improved the wire winding production efficiency of magnetic ring, has reduced manufacturing cost.
[ description of the drawings ]
Fig. 1 is one of the schematic three-dimensional structures of the present invention;
fig. 2 is a second schematic perspective view of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a schematic view of a part of the structure of the clamping and wire arranging mechanism of the present invention;
FIG. 6 is a schematic view of a part of the structure of the material transferring assembly and the material receiving mechanism;
FIG. 7 is a partial schematic view of the wire feeding mechanism;
FIG. 8 is an exploded view of a portion of the wire feed mechanism;
fig. 9 is one of the partial structural schematic diagrams of the present invention;
FIG. 10 is a schematic view of a portion of a wire winding module;
fig. 11 is a second partial schematic structural diagram of the present invention.
[ detailed description ] embodiments
The present invention will be further described in detail with reference to the following specific embodiments:
as shown in fig. 1 to 11, an automatic coil winding machine for a hook needle type magnetic ring comprises:
a workbench 1 for mounting each mechanism;
a control system 2 provided on the table 1 for controlling the operation of each mechanism;
the clamping and winding mechanism 3 is arranged on the workbench 1 and used for clamping the magnetic ring and enabling the magnetic ring to rotate for winding;
the feeding mechanism 4 comprises a material vibrating disc 41, a blanking groove 42 butted with the material vibrating disc 41 and a material transferring assembly 43 for transferring the magnetic ring to a clamping station of the clamping and winding displacement mechanism 3;
the wire feeding mechanism 5 comprises a wire clamping mechanical arm and a wire cutting assembly 51 and is used for conveying a winding wire to a specified position, transversely placing the winding wire above the annular surface of the clamped magnetic ring and cutting the winding wire according to a preset length;
the winding mechanism 6 comprises a winding crochet needle 61 which is arranged on the workbench 1 and can reciprocate along the axial direction of the magnetic ring within the inner diameter range of the magnetic ring clamped by the clamping and winding mechanism 3 to lead the winding to pass through the magnetic ring and a winding module 62 which can rotate the winding passing through the magnetic ring and transversely arrange the winding above the ring surface of the magnetic ring again;
and the winding positioning mechanism 7 is arranged on the workbench 1 and is used for conveying a winding transversely arranged above the ring surface of the magnetic ring to the wire hooking range of the winding crochet needle 61, and comprises an auxiliary hook 71 capable of moving back and forth to pull the winding hook clamped above the magnetic ring into the winding crochet needle 61 and an auxiliary hook drive 72 capable of driving the auxiliary hook 71 to move back and forth.
And the tail wire breaking mechanism 8 is arranged on the workbench 1 and is used for cutting off the tail wire of the magnetic ring which finishes winding.
The utility model discloses in, supplementary hook 71's effect can greatly reduced wire-wound send line positioning accuracy, even the wire winding send partially, supplementary hook 71 also can send the wire winding to wire winding crochet hook 61 and guarantee to collude the line.
The utility model provides an among the centre gripping winding displacement mechanism 3, but first clamping module 31 and second clamping module 32 relative movement ground centre gripping or loosen magnetic ring 10, magnetic ring 10 is by at least three rotation wheel centre gripping, rotates the wheel and is driven by belt drive assembly, and centre gripping winding displacement mechanism 3 still includes carries out spacing guide 33 to belt 34, guarantees the rate of tension of belt. The belt 34 contacts the circumferential surface of the magnetic ring 10, and drives the magnetic ring 10 to rotate in the transmission process; furthermore, the belt transmission greatly increases the transmission area of the magnetic ring 10, is not easy to damage, has larger and more stable transmission power, is more beneficial to the uniformity of the winding and the arrangement of the magnetic ring with large diameter, and improves the winding quality of the magnetic ring.
The utility model discloses change material subassembly 43 among well feeding mechanism 4 is including setting up pay-off drive 431 on the workstation 101 of workstation 1 and the porter bar 432 of being rather than drive pay-off to centre gripping winding displacement mechanism 3, the magnetic ring is got in scalable the inserting of this porter bar 432, the free end of porter bar 432 is equipped with the absorption piece 433 that can adsorb the magnetic ring, avoid the interference to insert and get the magnetic ring and cause hard damage to the magnetic ring, prevent simultaneously that transfer in-process magnetic ring from droing, the flexible drive end of porter bar 432 is equipped with bolster 434 rather than flexible between the drive, prevent to insert between the feed bar 432 rather than flexible drive and expect that in-process motion excessively causes the damage.
The utility model provides a send double-layered line manipulator of line mechanism 5 can send the first double-layered line manipulator 52 of tangent line subassembly 51 and the wire winding centre gripping that will pass tangent line subassembly 51 to assigned position's second double-layered line manipulator 53 from supplying the centre gripping of line seat 50 with the wire winding, and the cutter 511 of tangent line subassembly 51 is the arc cutter, drives the rotation by rotary cutter drive 512 and cuts off the wire winding. The rotary tangent force is larger, and the tangent is faster and more stable.
The utility model provides a winding module 62 is including fixed fixing base 621 that sets up and can rotate seat 622 to relative fixing base 621 pivoted, it rotates drive 625 to rotate seat 622 and connect it, it can follow its rotation and round the rotatory wire clamping component 623 of magnetic ring to rotate to be equipped with on the seat 622, it enables wire clamping component 623 and presss from both sides tight wire winding to be equipped with on this fixing base 621 when wire clamping component 623 is located the magnetic ring below settlement position, it can make wire clamping component 623 loosen wire-wound drive 624 to take tight wire winding to wind around the rotatory angle of settlement of magnetic ring at wire clamping component 623.
Preferably, the wire clamping assembly 623 comprises a wire clamping frame 6231 arranged on the rotating seat 622, a fixed chuck 6232 and a movable chuck 6233 capable of moving away from or close to the fixed chuck 6232 are arranged on the wire clamping frame 6231, an engaging portion 6234 capable of engaging with the opening and closing drive 624 is arranged at the driving end 6235 of the movable chuck 6233, a return spring (not shown) capable of pushing the movable chuck 6233 to return is further arranged between the movable chuck 6233 and the wire clamping frame 6231, the driving end 6235 is a sleeve, and the return spring is arranged in the sleeve. The opening/closing driver 624 includes a convex surface and a concave surface that are circumferentially continuous and provided on the fixed base 621, and the engaging portion 6234 is a roller that rolls on the convex surface and the concave surface when the rotating base 622 rotates. When the roller rotates to the convex surface, the fixed chuck 6232 and the movable chuck 6233 are clamped, and when the roller rotates to the concave surface, the fixed chuck 6232 and the movable chuck 6233 are loosened.
Further, the wire holder 6231 has a frame shape when the fixed jaw 6232 is combined with the movable jaw 6233.
Preferably, a transition surface 6243 is arranged between the convex surface 6241 and the concave surface 6242 of the opening and closing drive 624, and during the rotation process, when the wire clamping assembly 623 rotates to the transition surface 6243, the winding wire is in a half clamping state, so that the winding wire crochet needle 61 can hook the wire downwards.
Furthermore, the wire holder 6231 is frame-shaped, and the fixed chuck 6232 and the movable chuck 6233 are closed to define the winding direction in a closed frame shape, and more preferably, a limiting rod 6236 is provided between the fixed chuck 6232 and the movable chuck 6233 and the wire holder 6231 to further define the winding direction, so as to ensure that the winding crochet hook 61 hooks the wire again. The gap between the two spacing rods 6236 is communicated with the openings of the fixed chuck 6232 and the movable chuck 6233. Preferably, the fixed jaw 6232 and the movable jaw 6233 present a splayed guide winding.
The workbench 1 is also provided with a line positioning mechanism 11 which can receive the winding transmitted by the line feeding mechanism 5, the line positioning mechanism 11 is a telescopic rotary line clamping finger 111, the rotary line clamping finger 111 can be opened and closed under the action of rotary driving, and the line clamping or releasing is more beneficial to the line hooking of the winding crochet hook 61. As shown in fig. 3-4 and fig. 9, the rotating wire clamping fingers 111 are two sleeved fingers, and one of the rotating fingers can open and close the two wire clamping fingers. The utility model discloses in preferred two alignment mechanisms 11, the fixed double-layered line of the not equidirectional of being convenient for.
The workbench 1 is also provided with a receiving mechanism 9 which can convey the magnetic ring which finishes winding to a receiving position from the clamping station of the clamping row mechanism 3. The receiving mechanism 9 comprises a telescopic receiving rod 91 inserted into or separated from the winding magnetic ring and a material blocking rod 92 matched with the receiving rod 91 to insert and clamp the winding magnetic ring, and the receiving rod 91 and the material blocking rod are matched to prevent the winding magnetic ring from being damaged by over-tightness of the receiving rod 91 during insertion, so that the quality of the magnetic ring is improved.
Preferably, the material receiving mechanism 9 and the feeding rod 432 are arranged on the same base and share one moving drive, so that the structure and the space are saved.
The receiving mechanism 9 further comprises a discharge hole 93 arranged on the workbench 1. The material receiving basket is not needed to be arranged on the workbench or in the workbench, and the larger material receiving basket is directly arranged outside the workbench 1.
Preferably, a limit ring seat 12 is further arranged between the workbench 1 and the clamped magnetic ring, the winding crochet hook 61 passes through the limit ring seat 12 when hooking, the limit ring seat 12 is provided with an opening 121 and a lock pin 122 capable of closing the opening, a guide pipe 123 is arranged outside the limit ring seat 12, the guide pipe 123 is provided with a chute, the lock pin 122 is provided with an unlocking push rod extending out from the chute of the guide pipe 123, and the unlocking push rod is connected with a spring 124 for resetting the lock pin 122.
The utility model provides a tail-wire thread breakage mechanism 8 includes stationary knife seat 81 and moves the knife seat 82 for stationary knife seat 81 removes, is equipped with wedge-shaped cutting edge 820 and/or 810 on stationary knife seat 81 and/or moving knife seat 82, moves and is equipped with the plane cooperation tangent line relative with the matched with wedge-shaped cutting edge on knife seat 82 and/or stationary knife seat 81. The winding crochet hook 61 passes through the gap between the fixed knife seat 81 and the movable knife seat 82 when hooking.
The utility model discloses a theory of operation does: the feeding mechanism 4 is used for blanking, the material transferring component 43 is used for taking materials and sending the materials to a clamping station for clamping the color 3 of the winding displacement mechanism and is clamped by a first clamping module 31 and a second clamping module 32, a coil is paid off to a wire supply seat 50, a first wire clamping mechanical hand 52 clamps a winding wire to pass through a wire cutting component 51, then a second wire clamping mechanical hand 53 clamps the winding wire from a wire outlet end of the wire cutting component 51 and moves to a wire positioning mechanism 11, a rotating wire clamping finger 111 is opened to allow the winding wire to pass through and then closes and clamps the winding wire, in the wire feeding process, an auxiliary hook 71 and a winding hook needle 61 are moved to the upper side of a magnetic ring 10, the auxiliary hook 71 is transversely arranged above the ring surface of the magnetic ring, the winding hook needle 61 passes through the magnetic ring 10 and vertically stands above the magnetic ring, after the wire is fed, the auxiliary hook 71 is moved back to pull the winding wire to stick to the winding hook needle 61, the winding hook 61 moves downwards, at this time, when the wire clamping assembly 623 rotates to a convex surface, the movable chuck 6233 moves to clamp the winding wire with the fixed chuck 6232, the wire clamping assembly 623 continues to rotate, the lock pin 122 is pushed to unlock, the winding wire goes out of the limit ring seat 12 and continues to rotate, when the winding wire is separated from the winding wire crochet 61, the winding wire crochet 61 stretches out above the magnetic ring 10 again, when the wire clamping assembly 623 rotates to a transition surface, the winding wire turns over to wind the magnetic ring 10 and is placed above the magnetic ring 10 again, the auxiliary hook 71 and the winding wire crochet 61 repeat the wire hooking action, at this time, the winding wire can be pulled though being clamped, when the wire clamping assembly 623 rotates to a concave surface, the winding wire passes through the magnetic ring again, the movable chuck 6233 resets to leave the fixed chuck 6232, the winding wire is completely released, the wire clamping assembly.

Claims (10)

1. The utility model provides a crochet hook formula magnetic ring automatic coil winding machine, includes workstation (1), its characterized in that: the winding machine is characterized in that the workbench (1) is provided with a control system (2), a clamping magnet ring enables the clamping magnet ring to rotate a winding clamping and winding mechanism (3), a feeding mechanism (4), a wire feeding mechanism (5), a winding mechanism (6), a winding positioning mechanism (7), a tail wire breaking mechanism (8) and a receiving mechanism (9) capable of receiving a winding magnetic ring by the clamping position of the clamping magnet ring mechanism (3), wherein the winding magnetic ring is wound to the receiving position, the winding positioning mechanism (7) comprises an auxiliary hook (71) and a driving mechanism, the auxiliary hook (71) can do reciprocating motion, and the auxiliary hook (72) can do reciprocating motion by the winding hook above the clamping magnet ring.
2. The automatic winding machine for a barbed magnetic ring according to claim 1, wherein the wire feeding mechanism (5) comprises a wire clamping robot and a wire cutting assembly (51).
3. The automatic winding machine for a hook needle type magnetic ring as claimed in claim 1, wherein said winding mechanism (6) comprises a winding hook needle (61) disposed on said work table (1) and capable of reciprocating axially along the magnetic ring within the inner diameter range of the magnetic ring held by said holding traverse mechanism (3) to pass the winding through the magnetic ring and a winding module (62) capable of rotating the winding passing through the magnetic ring again to be disposed transversely above the ring surface of the magnetic ring.
4. The automatic winding machine for the crochet hook type magnetic ring as claimed in claim 3, characterized in that the winding module (62) comprises a fixed seat (621) and a rotating seat (622) which can rotate relative to the fixed seat (621), the rotating seat (622) is provided with a wire clamping assembly (623) which can rotate around the magnetic ring along with the rotation of the rotating seat, the fixed seat (621) is provided with an opening and closing drive (624) which can enable the wire clamping assembly (623) to clamp the winding when the wire clamping assembly (623) is located at a set position below the magnetic ring and enable the wire clamping assembly (623) to release the winding after the clamped winding is rotated around the magnetic ring by a set angle by the wire clamping assembly (623).
5. The automatic coil winding machine for the crochet hook type magnetic ring according to claim 4 is characterized in that the wire clamping assembly (623) comprises a wire clamping frame (6231) arranged on the rotating seat (622), a fixed chuck (6232) and a movable chuck (6233) capable of being far away from or close to the fixed chuck (6232) are arranged on the wire clamping frame (6231), a matching portion (6234) capable of being matched with the opening and closing drive (624) is arranged at the driving end of the movable chuck (6233), and a reset spring capable of pushing the movable chuck (6233) to reset is further arranged between the movable chuck (6233) and the wire clamping frame (6231).
6. The automatic winder for a crochet hook magnetic ring as claimed in claim 5, characterized in that the opening and closing driver (624) comprises a circumferentially continuous convex surface and a circumferentially continuous concave surface provided on the fixed seat (621), and the engaging portion (6234) is a roller capable of rolling on the convex surface and the concave surface when the rotating seat (622) rotates.
7. The automatic coil winding machine for the crochet magnetic ring as claimed in claim 5, characterized in that the wire holder (6231) is frame-shaped when the fixed chuck (6232) and the movable chuck (6233) are combined.
8. The automatic winding machine for the bearded needle type magnetic ring as claimed in claim 1, wherein the winding clamping manipulator of the wire feeding mechanism (5) comprises a first winding clamping manipulator (52) capable of clamping the winding from the wire feeding seat (50) through the wire cutting assembly (51) and a second winding clamping manipulator (53) capable of clamping the winding through the wire cutting assembly (51) to a designated position.
9. The automatic coil winding machine for the hook needle type magnetic ring as claimed in claim 1, wherein the worktable (1) is further provided with a wire positioning mechanism (11) capable of receiving the coil wire transmitted by the wire feeding mechanism (5).
10. The automatic winding machine for a crochet hook type magnetic ring as claimed in claim 1, characterized in that a limit ring seat (12) is further provided between the working table (1) and the clamped magnetic ring, and the winding crochet hook (61) passes through the limit ring seat (12) when hooking.
CN201922182749.3U 2019-12-07 2019-12-07 Automatic winding machine for hook needle type magnetic ring Active CN211181956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922182749.3U CN211181956U (en) 2019-12-07 2019-12-07 Automatic winding machine for hook needle type magnetic ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922182749.3U CN211181956U (en) 2019-12-07 2019-12-07 Automatic winding machine for hook needle type magnetic ring

Publications (1)

Publication Number Publication Date
CN211181956U true CN211181956U (en) 2020-08-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922182749.3U Active CN211181956U (en) 2019-12-07 2019-12-07 Automatic winding machine for hook needle type magnetic ring

Country Status (1)

Country Link
CN (1) CN211181956U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113744998A (en) * 2021-09-10 2021-12-03 中山市科彼特自动化设备有限公司 Automatic foot winding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113744998A (en) * 2021-09-10 2021-12-03 中山市科彼特自动化设备有限公司 Automatic foot winding machine

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