CN114672982B

CN114672982B - Knitted glove needle falling detection device

Info

Publication number: CN114672982B
Application number: CN202210583929.6A
Authority: CN
Inventors: 周拥新
Original assignee: Nantong Xinyou Chemical Fiber Co ltd
Current assignee: Nantong Xinyou Chemical Fiber Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-12
Anticipated expiration: 2042-05-27
Also published as: CN114672982A

Abstract

The invention provides a knitted glove needle drop detection device, which relates to the technical field of textile equipment and comprises a detection mechanism and a feeding mechanism, wherein the detection mechanism comprises a rack, two material conveying channels and a material returning channel positioned on one side of one material conveying channel are arranged on the rack, and the material returning channel and the material conveying channel respectively comprise a first conveyor belt, a material turning mechanism and a second conveyor belt; the rack is provided with a first detection assembly positioned above the first conveyor belt, a second detection assembly positioned above the second conveyor belt and a third detection assembly, the three detection assemblies comprise U-shaped frames, the U-shaped frames are provided with metal detection probes and alarms, the metal detection probes and the alarms are connected with the controller in a communication feedback mode, and needle cleaning assemblies are arranged on one sides, close to the third detection assembly, of the first detection assembly and the second detection assembly; the rack is provided with a material pushing assembly located on one side of the third detection assembly, which is far away from the second detection assembly, the rack is provided with a discharge port matched with the material pushing assembly, and the discharge port is provided with a material returning assembly with a discharge end located right above a feeding end of the material returning channel.

Description

Knitted glove needle falling detection device

Technical Field

The invention relates to the technical field of textile equipment, in particular to a knitted glove needle falling detection device.

Background

The knitted labor protection gloves are knitted by a glove knitting machine, needle breakage conditions that needles are broken and left on the gloves possibly occur in the knitting process, and therefore needle falling detection is needed by using a needle checking machine, the gloves with the residual broken needles are sorted out, and operators are prevented from being injured by needle falling and pricking in the subsequent process operation.

The needle checking machine is a ferromagnetic metal induction machine, is mainly used for detecting ferromagnetic metal foreign matters of textiles, and has the working principle that when a broken needle or other metal foreign matters pass through the needle checking machine, the needle checking machine can automatically alarm and stop transportation, and when the broken needle or other metal foreign matters are taken out manually, the needle checking machine is restarted to continue needle checking.

The needle checking machine in the prior art has certain defects in the actual use process: the glove material needs to be placed manually, the dropped needle is not detected and cleaned, and workers can be pricked in the glove placing process; when the needle falling exists in the knitwear, the operator is required to manually sort and find the needle falling, and the operator is easy to prick when finding the needle falling; the needle cleaning method of utilizing the magnet to adsorb the falling needle can only adsorb the falling needle on the upper surface layer, but the falling needle on the lower surface of the detected object is difficult to adsorb and clean; the gloves are double-layer products, the falling needles clamped in the gloves are difficult to adsorb and clean from two sides, and manual operation is also needed; the needle checking machine only detects the detected object once, and the accuracy of the detection result cannot be ensured.

Disclosure of Invention

The invention aims to provide a needle falling detection device for knitted gloves, which not only can realize multiple needle falling detection on the knitted gloves, but also can realize automatic cleaning of the falling needles, ensure the accuracy of the needle falling detection structure and the needle falling cleaning effect, avoid pricking workers by the falling needles and improve the safety.

The technical purpose of the invention is realized by the following technical scheme:

a knitted glove needle drop detection device comprises a detection mechanism and a feeding mechanism arranged at the feeding end of the detection mechanism, wherein the detection mechanism comprises a rack arranged along the feeding direction, and two material conveying channels and a material return channel are arranged on the rack; the feeding channel and the return channel are arranged along the length direction of the rack, the return channel is positioned at one side of one of the feeding channels, and a baffle plate arranged along the length direction of the rack is arranged between every two return channels and two feeding channels;

the material returning channel and the material conveying channel respectively comprise a first conveyor belt and a second conveyor belt which are arranged along the length direction of the material returning channel and the material conveying channel, and a material turning mechanism is arranged between the first conveyor belt and the second conveyor belt; a first detection assembly, a second detection assembly and a third detection assembly are sequentially arranged on the rack along the length direction of the rack, the first detection assembly is positioned above the first conveyor belt, and the second detection assembly and the third detection assembly are positioned above the second conveyor belt;

the first detection assembly, the second detection assembly and the third detection assembly are identical in structure and respectively comprise U-shaped frames which are arranged along the width direction of the rack and are provided with downward openings, metal detection probes which respectively correspond to the material conveying channel and the material returning channel are arranged at the bottom of each U-shaped frame, each metal detection probe is respectively connected with an alarm fixed on the U-shaped frame, and the metal detection probes and the alarms are in communication feedback connection with a controller;

needle cleaning assemblies are arranged between the first detection assembly and the material turning mechanism and between the second detection assembly and the third detection assembly, and respectively correspond to the material conveying channel and the material returning channel; the needle cleaning assembly comprises a magnetic suction plate arranged along the width direction of the rack, the end part of the magnetic suction plate is provided with a bracket fixed on the rack/baffle, and the magnetic suction plate is slidably arranged on the bracket along the length direction of the rack;

the bracket is also provided with sleeve pressing plates symmetrically arranged on two sides of the magnetic suction plate, and the sleeve pressing plates are vertically and slidably arranged on the bracket; cameras positioned above the corresponding material conveying channel and the corresponding material returning channel are fixed on U-shaped frames in the first detection assembly and the second detection assembly, the cameras are connected with a processor arranged in a controller in a communication feedback mode, and the processor controls vertical sliding of the two pressing sleeve plates and horizontal sliding of the magnetic suction plates through controller communication;

one end of the rack, far away from the feeding mechanism, is provided with a qualified product receiving basket corresponding to the material conveying channel and the material returning channel, a material pushing component corresponding to the material conveying channel and the material returning channel is arranged between the third detection component and the qualified product receiving basket respectively, and the material pushing component pushes materials in the width direction of the rack; baffle one end and frame one side are equipped with respectively and correspond and push away material subassembly complex discharge gate, discharge gate department is equipped with the feed back subassembly, the one end that the discharge gate was kept away from to the feed back subassembly is located between feed mechanism and the first detection subassembly, and its discharge end is located directly over the feed back passageway.

Through adopting above-mentioned technical scheme, wait to detect gloves and place two defeated material passageways automatically through feed mechanism on, carry forward through the first conveyer belt in two defeated material passageways, carry out the needle detection of falling for the first time through first determine module, if metal test probe detects to have the needle that falls on gloves, correspond the siren and send out the police dispatch newspaper to feed back to the controller, the work of the needle subassembly of the first determine module one side of controller control is cleared up the needle that falls. In the advancing process of the first conveyor belt, the gloves detected by the first detection assembly fall onto the material turning mechanism, the material turning mechanism turns the gloves onto the second conveyor belt, and the upper end face and the lower end face of the gloves are exchanged. The second conveyor belt conveys gloves to the second detection assembly, and the second detection assembly detects the falling needles of the gloves for the second time, if the falling needles exist on the gloves detected by the metal detection probe, the corresponding alarm gives an alarm and feeds the alarm back to the controller, and the controller controls the needle cleaning assembly on one side of the second detection assembly to work and clean the falling needles. The second conveyor belt moves to send the gloves detected by the second detection assembly to the third detection assembly, the third detection assembly performs needle falling detection on the gloves for the third time, and if the metal detection probe does not detect needle falling, the gloves fall into the qualified product receiving basket from the second conveyor belt. If the metal detection probe detects that the gloves have needles falling, the corresponding alarm gives an alarm and feeds back the alarm to the controller, the controller controls the corresponding pushing assembly to work, the pushing assembly pushes the gloves with the needles falling off to the material returning assembly from the discharge port, the gloves are sent back to the material returning channel again through the material returning assembly, and the gloves conveyed through the material returning channel repeat the three detection processes.

Wherein, the needle subassembly of clearing up is to the concrete clearance process of the needle that falls, the camera shoots gloves picture and feeds back to the treater, the treater carries out image processing and confirms gloves opening orientation, metal test probe detects the needle that falls and feeds back to the controller, the vertical slip of the pressure lagging of keeping away from gloves open-ended according to the feedback result control of treater presses gloves finger portion, then drive the magnetism suction disc to being close to gloves opening direction, keep away from the pressure lagging direction of pressing gloves and remove, the needle that falls at the gloves up end can directly be inhaled by the magnetism suction disc like this, and the needle that falls that lies in gloves intermediate layer can follow the removal of magnetism suction disc and shift out and adsorb on the magnetism suction disc from the gloves opening part. Above-mentioned needle subassembly simple structure not only can realize the clearance to the needle that falls on the gloves surface, can also realize the clearance to the needle that falls in the gloves intermediate layer, need not the manual work and opens the gloves clearance needle that falls, effectively improves the clearance effect to the needle that falls, improves the security.

Through above-mentioned testing process, every gloves detects through the needle that falls of cubic, and the upender mechanism carries out the turn-over to terminal surface about the gloves, detect the needle that falls all around the gloves like this, and clear away the needle subassembly and can effectively clear up the needle that falls of upper and lower surface and the intermediate lamella on the gloves, it can also carry out the feed back and detect and handle still to have the gloves that fall the needle after the needle clearance that falls twice to push away the material subassembly, greatly improve the accuracy that detects the needle that falls on the gloves and the thoroughness of the clearance of falling the needle, need not artifical manual clearance and seek the needle that falls, avoid pricking the staff, improve the security.

The two material conveying channels are arranged, so that the detection efficiency can be improved, and the phenomenon that the whole device cannot work when one metal detection probe fails is avoided; set up the feed back passageway and still exist the gloves that fall the needle after three detection and both sides clearance and carry out the feed back and handle, avoid gloves doping still need distinguish whether the gloves are handled totally after the feed back is handled in defeated material passageway. In addition, set up feed mechanism and realize the automatic feeding of gloves, need not artifical manual putting gloves on defeated material passageway, avoid the material loading in-process to fall the needle and prick the staff, further improve the security.

The pushing assembly comprises a pushing frame which is arranged on the baffle/rack and far away from the corresponding discharge port, a pushing cylinder which is arranged along the width direction of the rack is arranged on the pushing frame, a piston rod of the pushing cylinder is close to the corresponding discharge port and is connected with a pushing seat, a vertically arranged pushing plate is detachably mounted at the lower end of the pushing seat, the lower end face of the pushing plate is close to the upper end face of the second conveying belt, and a metal detection probe and an alarm in the third detection assembly are in communication control connection with the corresponding pushing cylinder through a controller.

By adopting the technical scheme, when the metal detection probe in the third detection assembly detects that a needle falls in the glove, the signal is fed back to the controller, the alarm gives an alarm, when the glove with the needle falls moves to the pushing assembly, the controller controls the corresponding pushing cylinder to work, the pushing cylinder pushes the pushing base to move, the pushing plate moves to the position and pushes the glove with the needle falling down from the second conveying belt, the glove falls onto the return assembly from the corresponding discharge port, and the return assembly is sent back to the return channel for detection and processing again. Above-mentioned material pushing component simple structure can realize will have the gloves that fall the needle through twice processing and push away to fall the feed back subassembly on, avoid having the gloves that fall the needle and fall into qualified product collecting basket in, also need not the staff and wait for here always and carry out manual processing, improves the clearance effect to falling the needle, reduces artifical intensity of labour, improves the security. Wherein, push pedal demountable installation can change the push pedal of co-altitude according to the different thickness of gloves on pushing away the seat to guarantee that the push pedal can push away gloves from the second conveyer belt smoothly.

Furthermore, the material returning component comprises a first material returning belt, a second material returning belt and a third material returning belt, the first material returning belt and the third material returning belt are arranged along the width direction of the rack, and the second material returning belt is positioned between the first material returning belt and the third material returning belt and is obliquely arranged along the length direction of the rack; the first material returning belt is positioned below the discharge hole, one end of the first material returning belt extends out of the rack, and the lower end of the second material returning belt is close to one end of the first material returning belt extending out of the rack and positioned below the first material returning belt; the higher end of the second feed back belt is close to the third feed back belt and is positioned above the third feed back belt, and one end of the third feed back belt, which is far away from the second feed back belt, is positioned right above the feed back channel.

Through adopting above-mentioned technical scheme, first feed back area is in the discharge gate below, is convenient for accept the gloves that drop from the discharge gate, and third feed back area discharge end is located the feed back passageway directly over, is convenient for gloves to fall on the feed back passageway. The second material return belt is located between the first material return belt and the third material return belt and is obliquely arranged, so that the gloves are transferred to the third material return belt with the high height from the first material return belt with the low height, the structure is simple, and the material return of the gloves is realized.

Furthermore, a discharge plate which is obliquely arranged is arranged below a discharge port corresponding to the feed back channel, the discharge plate is positioned above the first feed back belt, the lower end of the discharge plate extends out of the first feed back belt and is positioned on one side of the first feed back belt, and a defective product collecting basket which is positioned right below the lower end of the discharge plate is arranged on one side of the first feed back belt.

Through adopting above-mentioned technical scheme, when the siren reported to the police in the third detection mechanism on the feed back passageway, it still exists the needle that falls to explain gloves after the feed back is handled, it is comparatively shang boring to explain needle position or angle in the gloves, needle subassembly four times of clearing away has not cleared up the needle that falls, then the work of the material pushing component that the controller control feed back passageway corresponds pushes away the material subassembly, with gloves from the discharge gate on pushing away the flitch, and gloves along the flitch fall into in the substandard product collecting basket, realize the collection to the gloves that are not cleared up clean. Above-mentioned simple structure can still have the gloves of needle that fall to handle alone after the feed back is handled to the feed back passageway, avoids handling through the feed back but the unable clean gloves of handling get back to the feed back passageway repeatedly and handle.

Furthermore, the material turning mechanism comprises a material turning plate arranged along the width direction of the rack, one end of the material turning plate, which is close to the second conveyor belt, is hinged to the rack, the hinge axis of the material turning plate is arranged along the width direction of the rack, and the material turning plate is provided with a yielding groove matched with the baffle; the frame is provided with a blanking plate which is positioned between the first conveyor belt and the material turning plate and is obliquely arranged, one end of the blanking plate, which is close to the material turning plate, is a lower end, and a material turning gap is arranged between the blanking plate and the material turning plate.

Through adopting above-mentioned technical scheme, gloves fall from first conveyer belt on the flitch that turns over along the unloading board cunning, when the flitch overturns to being close to second conveyer belt direction, place the gloves turn-over on the second conveyer belt, the lower terminal surface when gloves are on first conveyer belt this moment is the up end when the second conveyer belt, first determine module and second detect the upper and lower two sides to gloves respectively like this and detect, two clear needle subassemblies clear up the needle that falls of two sides under gloves respectively, guarantee the detection and the clearance effect of the needle that falls on gloves. The arrangement of the material discharging plate ensures that the upper end face of the glove on the material turning plate is consistent with the upper end face of the glove on the first conveying belt, so that the upper end face and the lower end face of the glove are exchanged when the glove is turned on the second conveying belt by the material turning plate. The setting in groove and stirring clearance of stepping down avoids taking place to interfere between baffle and the lower flitch and the stirring board, guarantees the normal turn-over of stirring board to gloves.

Furthermore, two ends of a hinged shaft of the material turning plate are hinged with lugs, a lifting groove which is vertically arranged and matched with the lugs is arranged on the rack, the lugs are vertically and slidably installed in the lifting groove, and a vertically arranged supporting spring is arranged between the bottom of the lugs and the bottom wall of the lifting groove; the frame is provided with a vibrating plate which is positioned below the material turning plate and arranged along the width direction of the frame, and the vibrating plate is connected with a vibrating motor; the frame is provided with a needle receiving groove which is arranged along the width direction of the frame and has an opening at the upper end, and the hinged end of the material turning plate is positioned right above the needle receiving groove; the inner bottom wall of the needle receiving groove is obliquely arranged along the length direction, and the bottom of the lower end of the needle receiving groove is provided with a needle outlet with a plug cover.

By adopting the technical scheme, after the gloves fall on the material turning plate, the vibration motor drives the vibration plate to vibrate, the vibration plate is driven to vibrate, the vibration of the material turning plate is driven by the vibration of the vibration plate, the gloves are straightened in the vibration process of the material turning plate, and even the falling needles in the gloves can be vibrated out. Wherein, set up lug, lift groove, supporting spring, guarantee that the material turning plate can vibrate along with the vibration of vibrating plate. In the overturning process of the material overturning plate, the vibrated falling needles slide into the needle receiving grooves along the inclination angles of the falling needles, so that the falling needles are collected. Wherein, the inner diapire slope in needle receiving groove sets up, and the needle that falls in the needle receiving groove like this can be piled up at a needle outlet along its inclined plane, takes off the gag when needing the clearance needle that falls, and the needle that falls can be followed a needle outlet and dropped.

Furthermore, a guide groove is formed in the support along the length direction of the rack, and a guide block which is slidably mounted in the guide groove is arranged at the end part of the magnetic suction plate; the bracket is provided with a micro cylinder arranged along the length direction of the guide groove, and a piston rod of the micro cylinder is positioned in the guide groove and fixedly connected with the guide block; the support is also provided with a sleeve pressing cylinder, a piston rod of the sleeve pressing cylinder is vertically and downwards fixedly connected with the upper end face of the sleeve pressing plate, and the micro cylinder and the sleeve pressing cylinder are in communication feedback control with the corresponding metal detection probe/alarm and the corresponding camera through a controller.

Through adopting above-mentioned technical scheme, guide block slidable mounting realizes inhaling the board slidable mounting with magnetism on the support in the guide way, and guarantees to inhale the board stability of reciprocating sliding of magnetism. When the metal detection probe detects that the needle falls on the glove, the alarm is sent out corresponding to the alarm and fed back to the controller, and the processor judges the direction of the opening of the glove with the needle falling according to the feedback result of the camera and feeds back the result to the controller. The controller controls the corresponding sleeve pressing cylinder to work according to the feedback result, drives the corresponding sleeve pressing plate to press the glove finger part, controls the micro cylinder to extend or contract, drives the magnetic suction plate to move towards the direction of the sleeve pressing plate far away from the pressing glove, and sucks the falling needle and moves out of the glove. Above-mentioned simple structure utilizes miniature jar and pressure cover jar to realize that the criticism who drives the magnetism suction disc reciprocates the slip and the vertical slip of pressing the cover board, and response speed is fast, convenient operation, and the effect is obvious.

Furthermore, a guide screw rod parallel to the magnetic suction plate is rotatably installed on the guide block in a positioning mode, the guide screw rod is in threaded connection with a cleaning seat, and a needle cleaning ring which is sleeved on the magnetic suction plate in a sliding mode is arranged on one side, close to the magnetic suction plate, of the cleaning seat; the cleaning seat side wall hanging is provided with a needle receiving box which is positioned below the magnetic suction plate and matched with the needle cleaning ring, two ends of the magnetic suction plate are respectively provided with a non-magnetic suction part which is integrally formed with the magnetic suction plate, and the end part of the magnetic suction plate, which is far away from the support, is inserted with an anti-falling clamping plate.

Through adopting above-mentioned technical scheme, adsorb when more needle that falls on the magnetic attraction board, will inhale the magnetic attraction board and clear up, avoid the needle that falls on the magnetic attraction board to collude and hang on the glove. The drive direction lead screw rotates, and the clearance seat slides along the direction lead screw, drives the clear needle ring and inhales the board slip along magnetism, strikes off the needle that falls on the board of magnetism, and the needle that falls drops in the needle receiving box, the completion is to the collection of the needle that falls. Wherein, magnetism is inhaled board tip and is set up non-magnetism and inhale the portion, avoids magnetism to inhale board suction and leads to the needle that falls to adsorb always on magnetism suction plate stronger, and when needle ring drive fall the needle and remove non-magnetism and inhale the portion, fall the needle and can lose the adsorption affinity and fall in the needle receiving box, guarantee the clearance effect to the needle that falls on the magnetism suction plate. The magnetic attraction plate is provided with non-magnetic attraction parts at two ends, and the needle cleaning ring does not need to be reset in a reciprocating manner, so long as the needle cleaning ring moves to the other end from one end of the magnetic attraction plate when working is needed. The needle receiving box is hung on the cleaning seat, and the needle receiving box can be taken down from the cleaning seat for cleaning when a large number of needles fall in the needle receiving box. In addition, the end part of the magnetic suction plate far away from the support is provided with the anti-falling clamping plate, so that the needle cleaning ring is prevented from falling off from the magnetic suction plate, and the sustainable use of the needle cleaning ring is ensured.

Furthermore, the feeding mechanism comprises a feeding frame arranged along the length direction of the rack, a feeding belt arranged along the length direction of the feeding frame is arranged on the feeding frame, and one end, close to the rack, of the feeding belt is located above the material conveying channel; one end of the feeding frame, which is close to the rack, is provided with a material distribution plate which is arranged along the length direction of the feeding frame and is positioned on the symmetrical plane of the two material conveying channels, and two sides of the material distribution plate are symmetrically provided with obliquely arranged material guide plates; two the stock guide constitutes the splayed structure, and its one end opening that is close to defeated material passageway is less, just the opening that forms between stock guide and the branch flitch cooperates with two defeated material passageways respectively.

Through adopting above-mentioned technical scheme, the staff will need to detect gloves and fall on the loading band, utilize tools such as ram to shakeout gloves, and the work of loading band is carried gloves forward, under the effect of minute flitch and stock guide, gloves can only get into between minute flitch and the stock guide, then fall respectively on the defeated material passageway, realize the automatic feeding of gloves. Above-mentioned simple structure need not that the staff is manual puts gloves on defeated material passageway, avoids pricking the staff, improves the security. The arrangement of the material guide plate and the material distribution plate ensures that the gloves accurately fall onto the material conveying channel and cannot fall onto the material return channel and the baffle plate, and the automatic feeding effect of the gloves is ensured.

Furthermore, a feeding shaft arranged along the width direction of the feeding frame is positioned and rotatably arranged between the two guide plates, two feeding cams rotating around the feeding shaft in an eccentric manner are clamped on the feeding shaft, and the two feeding cams are respectively positioned in openings formed by the two guide plates and the material distributing plate; one end of the material distribution plate, which is far away from the feeding shaft, is provided with a pressing plate arranged along the length direction of the feeding shaft, and the pressing plate is vertically and slidably mounted on the material distribution plate.

Through adopting above-mentioned technical scheme, the material loading axle rotates and drives the material loading cam and rotate, and at the rotation in-process of material loading cam, the bulge of material loading cam dials gloves to defeated material passageway on, guarantees as far as possible that gloves are the horizontally when falling on defeated material passageway, is piling up when avoiding gloves directly to fall on defeated material passageway from the material loading area, influences the absorption clearance effect of follow-up needle subassembly to the needle that falls on gloves. Wherein, set up vertical gliding clamp plate, usable clamp plate intermittent type nature cuts off gloves and gets into between stock guide and the branch flitch, and it is more to avoid the gloves between stock guide and the branch flitch, influences the material loading effect of stirring of material loading cam to the gloves.

In conclusion, the invention has the following beneficial effects:

1. by arranging the first detection assembly, the second detection assembly, the third detection assembly, the turnover mechanism, the needle cleaning assembly, the pushing assembly and the material returning assembly, each glove is subjected to needle falling detection for three times, and the upper end face and the lower end face of each glove are turned over by the turnover mechanism, so that needle falling detection is carried out on the upper surface and the lower surface of each glove, needle falling detection can be effectively carried out on the upper surface and the lower surface of each glove in a cleaning needle assembly sleeve and needle falling detection in a clamping layer, the gloves still having needle falling after needle falling cleaning for two times can also be subjected to material returning detection and treatment by the pushing assembly and the material returning assembly, the accuracy of needle falling detection on the gloves and the thoroughness of needle falling cleaning are greatly improved, manual cleaning and needle falling searching are not needed, workers are prevented from being pricked, and the safety is improved;

2. by arranging the two material conveying channels and the material returning channel, the two material conveying channels improve the glove detection efficiency, and the condition that the whole glove stops working when a corresponding detection assembly on one material conveying channel breaks down is avoided, so that the continuity of detection work is ensured; the material return channel is arranged to carry out material return treatment on the gloves which still have needle falling after three times of detection and two-side cleaning, so that the condition that the gloves are doped in the material conveying channel and whether the gloves are completely treated after the material return treatment is also required to be distinguished is avoided;

3. set up feed mechanism and realize the automatic feeding of gloves, feed mechanism utilizes material loading area, stock guide, branch flitch and material loading cam to levelly and smoothly place gloves on defeated material passageway, need not that the staff is manual puts gloves on defeated material passageway, avoids stabbing the staff, improves the security.

Drawings

FIG. 1 is a schematic view of the overall structure of a needle fall detection device for knitted gloves;

FIG. 2 is a schematic structural diagram of a detection mechanism in the knitted glove needle fall detection device;

FIG. 3 is a schematic structural diagram of a feeding mechanism in the knitted glove needle falling detection device;

FIG. 4 is a schematic structural diagram of a first detection assembly and a second detection assembly in the needle drop detection device of a knitted glove;

FIG. 5 is a schematic structural diagram of a needle cleaning assembly in a needle drop detection device for knitted gloves;

FIG. 6 is a schematic structural diagram of a material reversing mechanism in the knitted glove needle falling detection device;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a partial structure diagram of a needle fall detection device for knitted gloves.

In the figure, 1, a feeding mechanism; 11. a feeding frame; 12. feeding a material belt; 13. a material distributing plate; 14. a material guide plate; 15. a feeding shaft; 151. a feeding motor; 16. a feeding cam; 17. pressing a plate; 171. a pressure cylinder; 2. a detection mechanism; 21. a frame; 211. a lifting groove; 22. a material conveying channel; 23. a feed back channel; 24. a baffle plate; 25. a first conveyor belt; 251. a blanking plate; 26. a second conveyor belt; 261. a qualified product receiving basket; 27. a first detection assembly; 28. a second detection assembly; 29. a third detection assembly; 3. a material turning mechanism; 31. a material turning plate; 311. a yielding groove; 312. a material turning gap; 32. a bump; 321. a support spring; 322. a material turning motor; 33. a vibrating plate; 331. a vibration motor; 34. a needle connecting groove; 341. a needle outlet; 342. a plug cover; 4. a U-shaped frame; 41. a metal detection probe; 42. an alarm; 43. a camera; 5. clearing the needle assembly; 51. a support; 511. a guide groove; 52. a magnetic attraction plate; 521. a guide block; 522. a non-magnetic part; 523. an anti-drop clamp plate; 524. a mini-cylinder; 53. pressing a sleeve plate; 531. pressing a sleeve cylinder; 54. a guide screw rod; 541. a needle cleaning motor; 55. cleaning a seat; 56. clearing the needle ring; 57. a needle receiving box; 6. a material pushing assembly; 61. a material pushing frame; 62. a material pushing cylinder; 63. a pushing seat; 64. pushing the plate; 65. a discharge port; 7. a material returning component; 71. a first material returning belt; 72. a second return tape; 73. a third return belt; 74. a discharge plate; 75. a defective product receiving basket; 8. a controller; 81. a processor.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A knitted glove needle fall detection device is shown in figure 1 and comprises a detection mechanism 2 and a feeding mechanism 1 arranged at the feeding end of the detection mechanism 2, the detection mechanism 2 comprises a rack 21 arranged along the feeding direction, two feeding channels 22 and a material return channel 23 are arranged on the rack 21 and arranged along the length direction of the rack 21, and the material return channel 23 is positioned on one side of one of the feeding channels 22, as shown in figure 2. Baffle plates 24 arranged along the length direction of the frame 21 are arranged between the feed back channel 23 and the two material conveying channels 22, and the baffle plates 24 separate the feed back channel 23 and the material conveying channels 22. The material returning channel 23 and the material conveying channel 22 both comprise a first conveyor belt 25 and a second conveyor belt 26 which are arranged along the length direction of the material returning channel, a material turning mechanism 3 is arranged between the first conveyor belt 25 and the second conveyor belt 26, and the gloves falling from the first conveyor belt 25 are turned over and placed on the second conveyor belt 26 by the material turning mechanism 3, so that the upper end surface and the lower end surface of the gloves are exchanged.

As shown in fig. 2, a first detection assembly 27, a second detection assembly 28 and a third detection assembly 29 are sequentially arranged on the frame 21 along the length direction thereof, the first detection assembly 27 is located above the first conveyor belt 25, the second detection assembly 28 and the third detection assembly 29 are located above the second conveyor belt 26, and the three detection assemblies perform three needle drop detections on gloves. Needle cleaning assemblies 5 are respectively arranged between the first detection assembly 27 and the material turning mechanism 3 and between the second detection assembly 28 and the third detection assembly 29, the needle cleaning assemblies 5 respectively correspond to the material returning channel 23 and the two material conveying channels 22 one by one, and the needle cleaning assemblies 5 are used for cleaning fallen needles of gloves detected by the first detection assembly 27 and the second detection assembly 28.

As shown in fig. 1, a qualified product receiving basket 261 corresponding to the material conveying channel 22 and the material returning channel 23 is disposed at one end of the frame 21 away from the feeding mechanism 1, and the gloves without needles drop from the second conveyor belt 26 into the qualified product receiving basket 261 after three times of detection, so as to receive the qualified gloves. As shown in fig. 2, three pushing assemblies 6 are disposed between the third detecting assembly 29 and the qualified product receiving basket 261, and the pushing assemblies 6 respectively correspond to the two feeding channels 22 and the feeding back channel 23, and push the material in the width direction of the rack 21. One end of each of the two baffles 24 and one side of the frame 21 close to the material return channel 23 are respectively provided with a material outlet 65 matched with the corresponding material pushing assembly 6, and the material return assembly 7 is arranged at the material outlet 65, as shown in fig. 1, one end of the material return assembly 7 far away from the material outlet 65 is positioned between the feeding mechanism 1 and the first detection assembly 27, and the material outlet end of the material return assembly is positioned right above the material return channel 23.

As shown in fig. 1 and 2, the feeding mechanism 1 automatically places the gloves to be detected on the two material conveying channels 22, the first conveyor belts 25 in the two material conveying channels 22 convey the gloves forward, the first detection assembly 27 detects whether the gloves have dropped needles, and if the gloves have dropped needles, the needle cleaning assembly 5 close to the first detection assembly 27 works to adsorb and clean the dropped needles on the gloves. The gloves on the first conveyor belt 25 fall to the material turning mechanism 3, the material turning mechanism 3 turns the gloves over and places the gloves on the second conveyor belt 26, and the upper end surfaces of the gloves on the second conveyor belt 26 are the lower end surfaces of the gloves on the first conveyor belt 25. The second conveyor belt 26 conveys the gloves forwards, the second detection assembly 28 detects whether the falling needles still exist in the gloves, and if the falling needles exist, the needle cleaning assembly 5 close to the second detection assembly 28 works to adsorb and clean the falling needles on the gloves.

As shown in fig. 1 and fig. 2, during the continuous movement of the second conveyor 26, the third detecting assembly 29 performs a third needle drop detection on the glove, and determines whether the needle drop assembly 5 in the previous two times cleans the needle drop on the glove. If the third detection assembly 29 detects that the needle falls, the glove is qualified, and the glove falls into the qualified product receiving basket 261 to be collected, if the third detection assembly 29 detects that the needle falls on the glove, the corresponding pushing assembly 6 works to drop the glove onto the return assembly 7 from the discharge port 65, the return assembly 7 sends the glove still having the needle to the feed end of the return channel 23, and the needle falling detection and needle falling cleaning processes of the glove on the return channel 23 are the same as the working processes on the material conveying channel 22.

As shown in figures 1 and 2, after the detection process, each glove on the material conveying channel 22 undergoes three needle drop detections and two needle drop cleanings, and the material turning mechanism 3 turns over the upper and lower end surfaces of the glove, so that the needle drop detections are performed on the upper and lower surfaces of the glove. The needle cleaning assembly 5 can effectively clean the dropped needles on the lower surface of the glove, and the pushing assembly 6 can also perform feed back detection and treatment on the glove still with the dropped needles after twice needle cleaning. Gloves on the feed back passageway 23 are through the needle detection that falls for six times and the clearance of the needle that falls for four times at least, greatly improve the accuracy that the needle detected that falls on gloves and the thoroughness of the clearance of the needle that falls, need not artifical manual clearance and seek the needle that falls, avoid pricking staff, improve the security.

The specific structure of the present invention will be described in detail in the following in the feed direction.

As shown in fig. 1 and fig. 3, the feeding mechanism 1 includes a feeding frame 11 disposed along a length direction of the frame 21, a feeding belt 12 disposed along the length direction of the feeding frame 11 and feeding circularly is disposed on the feeding frame 11, and one end of the feeding belt 12 close to the frame 21 is located above the feeding passage 22. One end of the feeding frame 11 close to the frame 21 is provided with a material distributing plate 13 which is arranged along the length direction and is positioned on the symmetrical plane of the two material conveying channels 22, two sides of the material distributing plate 13 are symmetrically provided with material guide plates 14 which are obliquely arranged, the two material guide plates 14 and the material distributing plate 13 are integrally connected and are arranged on the feeding frame 11, and the lower end surface of the two material guide plates is attached to the upper end surface of the feeding belt 12. In this embodiment, the two material guiding plates 14 form a splayed structure, and the openings of the end of the material guiding plates 14 close to the material conveying channels 22 are smaller, and the openings formed between the material guiding plates 14 and the material distributing plates 13 are respectively matched with the two material conveying channels 22.

As shown in fig. 1 and 3, a feeding shaft 15 disposed along the width direction of the feeding frame 11 is rotatably positioned between the two material guiding plates 14, the feeding shaft 15 is connected to a feeding motor 151 for driving the feeding shaft to rotate, two feeding cams 16 eccentrically rotating around the feeding shaft 15 are clamped on the feeding shaft 15, and the two feeding cams 16 are respectively located in openings formed by the two material guiding plates 14 and the material distributing plate 13. The staff will need to detect gloves and fall on material loading area 12, utilize tools such as ram to shakeout gloves, material loading area 12 work is carried gloves forward, under the effect of minute flitch 13 and stock guide 14, gloves can only get into between minute flitch 13 and stock guide 14. The feeding motor 151 drives the feeding shaft 15 to rotate to drive the feeding cam 16 to rotate, and in the rotating process of the feeding cam 16, the protruding part of the feeding cam 16 dials the gloves onto the material conveying channel 22, so that the gloves are horizontal when falling on the material conveying channel 22 as far as possible, and the phenomenon that the gloves are stacked when directly falling onto the material conveying channel 22 from the feeding belt 12 and the adsorption cleaning effect of the subsequent needle cleaning assembly 5 on the gloves falling needles is influenced is avoided.

As shown in fig. 3, a pressing plate 17 is disposed at one end of the material distributing plate 13 far from the feeding shaft 15 along the length direction of the feeding shaft 15, and the pressing plate 17 is connected with a pressing cylinder 171 which is vertically and slidably mounted on the material distributing plate 13. The press plate 17 can be driven by the press cylinder 171 to intermittently block gloves from entering between the material guide plate 14 and the material distribution plate 13, so that the situation that more gloves are arranged between the material guide plate 14 and the material distribution plate 13 and the shifting and feeding effect of the feeding cam 16 on the gloves is influenced is avoided. Above-mentioned feed mechanism 1 realizes the automatic feeding of gloves, need not that the staff is manual puts gloves on defeated material passageway 22, avoids pricking the staff, improves the security.

As shown in fig. 2 and 4, in the present embodiment, the first detecting assembly 27, the second detecting assembly 28, and the third detecting assembly 29 (marked in fig. 8) have the same structure, and each of the first detecting assembly, the second detecting assembly, and the third detecting assembly includes a U-shaped frame 4 that is disposed along the width direction of the frame 21 and has a downward opening, a metal detecting probe 41 that corresponds to the three material conveying channels 22 and the material returning channel 23 is disposed at the bottom of each U-shaped frame 4, an alarm 42 that is fixed on the U-shaped frame 4 is connected to each metal detecting probe 41, the metal detecting probe 41 and the alarm 42 are connected to the controller 8 in a communication feedback manner, and the controller 8 is disposed on the side wall of the frame 21 and is connected to the needle cleaning assembly 5 and the material pushing assembly 6 in a communication control manner.

As shown in fig. 2 and 4, when the glove moves to the lower part of the U-shaped frame 4, the metal detection probe 41 senses whether a needle is dropped on the glove, and if the needle is dropped, the metal detection probe feeds back the needle to the controller 8, controls the corresponding alarm 42 to give an alarm, and controls the corresponding needle cleaning assembly 5 or the corresponding material pushing assembly 6 to work. Of course, in other embodiments, a plurality of metal detection probes 41 in each detection assembly on each channel may be uniformly arranged to ensure the detection effect of needle dropping on the glove.

As shown in fig. 2 and fig. 5, in this embodiment, the needle cleaning assembly 5 includes a magnetic attraction plate 52 disposed along the width direction of the frame 21, a bracket 51 fixed to the frame 21/the baffle 24 is disposed at an end of the magnetic attraction plate 52, a guide slot 511 disposed along the length direction of the frame 21 is disposed on the bracket 51, a guide block 521 slidably mounted in the guide slot 511 is disposed at an end of the magnetic attraction plate 52, a micro cylinder 524 disposed along the length direction of the guide slot 511 is disposed on the bracket 51, a piston rod of the micro cylinder 524 is located in the guide slot 511 and fixedly connected to the guide block 521 corresponding to the guide slot 511, and the magnetic attraction plate 52 is driven by the micro cylinder 524 to slide back and forth along the guide slot 511.

As shown in fig. 2 and 5, the bracket 51 is further provided with sleeve pressing plates 53 symmetrically arranged on both sides of the magnetic attraction plate 52, and the sleeve pressing plates 53 are connected with sleeve pressing cylinders 531 which drive the sleeve pressing plates to vertically slide and are fixed on the bracket 51. The micro cylinder 524 and the sleeve pressing cylinder 531 are in feedback control with the corresponding metal detection probe 41/alarm 42 through the controller 8. As shown in fig. 2 and 4, the U-shaped frame 4 of the first detecting assembly 27 and the second detecting assembly 28 is fixed with a camera 43 above the corresponding material conveying channel 22 and the material returning channel 23, the camera 43 is connected with a processor 81 arranged in the controller 8 in a communication feedback manner, and the processor 81 controls the micro cylinder 524 (marked in fig. 5) and the sleeve pressing cylinder 531 (marked in fig. 5) to operate in a communication manner through the controller 8.

As shown in fig. 2, 4 and 5, when the metal detection probe 41 in the first detection assembly 27 and/or the second detection assembly 28 detects that there is a needle drop on the glove on the corresponding channel, the metal detection probe feeds back to the controller 8 and controls the corresponding alarm 42 to give an alarm, the camera 43 takes a picture of the glove and feeds back the picture to the processor 81, and the processor 81 performs image processing and determines the opening orientation of the glove with the needle drop. The controller 8 controls the sleeve pressing cylinder 531 far away from the glove opening to work according to the feedback result of the processor 81, drives the corresponding sleeve pressing plate 53 to vertically slide and press the finger part of the glove, and then drives the micro cylinder 524 to extend or retract, so that the magnetic suction plate 52 moves towards the direction close to the glove opening, thus the needle falling on the upper end surface of the glove can be directly sucked by the magnetic suction plate 52, and the needle falling in the glove clamping layer can move out of the glove opening along with the movement of the magnetic suction plate 52 and is sucked onto the magnetic suction plate 52. Therefore, the cleaning of the needles falling in the upper surface layer and the interlayer of the glove is realized simultaneously, the manual turning of the glove is not needed to clean the falling needles, the cleaning effect of the falling needles is effectively improved, and the safety is improved.

As shown in fig. 5, in order to avoid that many dropped needles adsorbed on the magnetic attraction plate 52 are easily hooked on the glove, in this embodiment, a guide screw 54 parallel to the corresponding magnetic attraction plate 52 is further positioned and rotatably mounted on each guide block 521, and one end of the guide screw 54 extending out of the guide block 521 is connected with a needle cleaning motor 541 for driving the guide screw to rotate; the guide screw 54 is further in threaded connection with a cleaning seat 55, a needle cleaning ring 56 which is slid on the magnetic suction plate 52 is arranged on one side of the cleaning seat 55 close to the magnetic suction plate 52, and a needle receiving box 57 which is positioned below the magnetic suction plate 52 and is matched with the needle cleaning ring 56 is hung on the side wall of the cleaning seat 55. When more needles are adsorbed on the magnetic suction plate 52, the needle cleaning motor 541 drives the guide screw 54 to rotate, the cleaning seat 55 slides along the guide screw 54 to drive the needle cleaning ring 56 to slide along the magnetic suction plate 52, the needles falling on the magnetic suction plate 52 are scraped, and the needles falling fall into the needle receiving box 57 to complete the collection of the falling needles.

As shown in fig. 5, in order to avoid the strong attraction of the magnetic attraction plate 52 and the falling needle not falling easily, the two ends of the magnetic attraction plate 52 are respectively provided with a non-magnetic attraction part 522 integrally formed with the magnetic attraction plate 52, and the end of the magnetic attraction plate 52 far away from the bracket 51 is inserted with an anti-falling clamp plate 523, which prevents the needle cleaning ring 56 from falling off from the magnetic attraction plate 52 by using the anti-falling clamp plate 523. When the needle cleaning ring 56 drives the needle to move to the non-magnetic attraction part 522, the needle will lose the attraction force and fall into the needle receiving box 57, thereby ensuring the needle cleaning effect on the magnetic attraction plate 52. The non-magnetic attraction parts 522 are arranged at both ends of the magnetic attraction plate 52, and the needle cleaning ring 56 does not need to be reset in a reciprocating manner, and only needs to be moved from one end of the magnetic attraction plate 52 to the other end when working is needed.

As shown in fig. 2 and 6, in the present embodiment, the material turning mechanism 3 includes a material turning plate 31 disposed along the width direction of the frame 21, one end of the material turning plate 31 close to the second conveyor belt 26 is hinged to the frame 21, the hinge axis thereof is disposed along the width direction of the frame 21, and the material turning plate 31 is in a horizontal state before material turning. A blanking plate 251 which is positioned between the first conveyor belt 25 and the material turning plate 31 and is obliquely arranged is arranged on the frame 21, and one end of the blanking plate 251, which is close to the material turning plate 31, is a lower end. The material turning plate 31 is provided with a yielding groove 311 matched with the baffle 24, and a material turning gap 312 is arranged between the lower end of the material discharging plate 251 and the material turning plate 31 to avoid interference with turning of the material turning plate 31. Wherein the angle of inclination of the blanking plate is preferably 15 °.

As shown in fig. 2 and 6, gloves fall down from the first conveyor belt 25 and then slide to the material turning plate 31 along the material discharging plate 251, when the material turning plate 31 turns towards the direction close to the second conveyor belt 26, the gloves are turned over and placed on the second conveyor belt 26, at this time, the lower end face of the gloves when being sleeved on the first conveyor belt 25 is the upper end face of the gloves when being sleeved on the second conveyor belt 26, so that the upper and lower faces of the gloves are respectively detected by the first detection assembly 27 and the second detection assembly, the two needle cleaning assemblies 5 respectively clean the falling needles on the upper and lower faces of the gloves, and the detection and cleaning effects of the falling needles on the gloves are ensured. The blanking plate 251 is arranged to ensure that the upper end surface of the gloves on the material turning plate 31 is consistent with the upper end surface of the gloves on the first conveyor belt 25, so as to ensure that the upper end surface and the lower end surface of the gloves are exchanged when the material turning plate 31 turns the gloves on the second conveyor belt 26.

As shown in fig. 6 and 7, in the present embodiment, the two ends of the hinge shaft of the material turning plate 31 are hinged with a projection 32, and a material turning motor 322 for driving the material turning plate 31 to rotate around the hinge shaft is fixed on the projection 32. A lifting groove 211 which is vertically arranged and is matched with the lug 32 is arranged on the frame 21, the lug 32 is vertically and slidably installed in the lifting groove 211, and a vertically arranged supporting spring 321 is arranged between the bottom of the lug 32 and the bottom wall of the lifting groove 211. As shown in fig. 6, a vibration plate 33 is further provided on the frame 21 below the material stirring plate 31 and along the width direction of the frame 21, and a vibration motor 331 is connected to the vibration plate 33. After the gloves fall on the material turning plate 31, the vibration motor 331 drives the vibration plate 33 to vibrate, the vibration of the material turning plate 31 is driven by the vibration of the vibration plate 33, the gloves are straightened in the vibration process of the material turning plate 31, and even the falling needles in the gloves can be vibrated out.

As shown in fig. 6, a needle receiving groove 34 with an open upper end is formed in the frame 21 along the width direction thereof, and the hinged end of the material reversing plate 31 is located right above the needle receiving groove 34. The inner bottom wall of the needle receiving groove 34 is inclined along the length direction thereof, and the lower end bottom thereof is provided with a needle outlet 341 with a plug 342. In the turnover process of the material turnover plate 31, the vibrated falling needles slide down to the needle receiving grooves 34 along the inclination angles, the collection of the falling needles is realized, the falling needles in the needle receiving grooves 34 can be accumulated on the needle outlet 341 along the inclined inner bottom surfaces of the needle receiving grooves 34, the plug cover 342 is taken down when the falling needles need to be cleaned, and the falling needles can fall from the needle outlet 341.

As shown in fig. 2 and 8, in the present embodiment, the pushing assembly 6 includes a pushing frame 61 disposed on the baffle 24/the frame 21 and far away from the corresponding discharge port 65, a pushing cylinder 62 disposed along the width direction of the frame 21 is disposed on the pushing frame 61, a piston rod of the pushing cylinder 62 is close to the corresponding discharge port 65 and is connected to a pushing seat 63, a vertically disposed pushing plate 64 is detachably mounted at the lower end of the pushing seat 63 through a screw, and the lower end surface of the pushing plate 64 is close to the upper end surface of the second conveyor belt 26. The metal detection probe 41 and the alarm 42 in the third detection assembly 29 are in communication control connection with the corresponding material pushing cylinder 62 through the controller 8.

As shown in fig. 2 and 8, when the metal detection probe 41 in the third detection assembly 29 detects that a needle is dropped in a glove, the metal detection probe feeds back to the controller 8 and controls the alarm 42 to give an alarm, when the glove with the needle is moved to the pushing assembly 6, the controller 8 controls the corresponding pushing cylinder 62 to operate, the pushing cylinder 62 pushes the pushing seat 63 to move, the pushing plate 64 pushes the glove with the needle down, which is moved to the position, down from the second conveyor belt 26, and drops onto the return assembly 7 from the corresponding discharge port 65, and the glove is returned to the return channel 23 by the return assembly 7 to be detected and processed again.

As shown in fig. 2, in the present embodiment, the feed back assembly 7 includes a first feed back strip 71, a second feed back strip 72 and a third feed back strip 73, and the first feed back strip 71, the second feed back strip 72 and the third feed back strip 73 are all mounted on the corresponding feed back frames. The first and

third return belts

71, 73 are disposed along the width direction of the frame 21, and the second return belt 72 is disposed between the first and

third return belts

71, 73 and is disposed obliquely along the length direction of the frame 21, and is a climbing-up return belt. The first material return belt 71 is located below the discharge hole 65 and has one end extending out of the rack 21, and the lower end of the second material return belt 72 is close to the end of the first material return belt 71 extending out of the rack 21 and is located below the first material return belt 71. The higher end of the second return belt 72 is close to the third return belt 73 and above the third return belt 73, and the end of the third return belt 73 far from the second return belt 72 is located right above the return channel 23.

As shown in FIG. 2, the gloves with dropped needles falling from the second conveyor belt 26 fall onto the first return belt 71, are conveyed forward by the first return belt 71 and fall onto the second return belt 72, the gloves are conveyed forward by the second return belt 72 and fall onto the third return belt 73, the gloves are conveyed forward by the third return belt 73 and fall onto the first conveyor belt 25 of the return channel 23, the return of the gloves is realized, and the gloves are convenient to detect and clean again.

As shown in fig. 2 and 8, a discharge plate 74 disposed obliquely is disposed below the discharge port 65 corresponding to the material return channel 23, the discharge plate 74 is disposed above the first material return belt 71, and a lower end of the discharge plate extends out of the first material return belt 71 and is disposed on one side of the first material return belt 71, and a defective product collection basket 75 disposed right below the lower end of the discharge plate 74 is disposed on one side of the first material return belt 71. When the alarm 42 alarms in the third detection mechanism 2 on the feed-back channel 23, it is described that the falling needle still exists after the gloves are subjected to feed-back treatment, it is described that the falling needle position or angle in the gloves is more narrow, the falling needle is not cleaned for 5 times by the cleaning needle assembly, the controller 8 controls the pushing assembly 6 corresponding to the feed-back channel 23 to work, the gloves are pushed onto the discharging plate 74 from the discharging hole 65, and the gloves fall into the defective product receiving basket 75 along the discharging plate 74, so that the collection of the gloves which are not cleaned up is realized, and the gloves which are not cleaned up are manually cleaned up subsequently, so that the gloves which are subjected to feed-back treatment but cannot be cleaned up are repeatedly returned to the feed-back channel 23 for treatment.

The working principle and the using method of the invention are as follows:

automatic feeding:the staff will need to detect gloves and fall on material loading area 12, utilize tools such as ram to shakeout gloves, material loading area 12 work is carried gloves forward, under the effect of minute flitch 13 and stock guide 14, gloves can only get into between minute flitch 13 and stock guide 14. The feeding motor 151 drives the feeding shaft 15 to rotate, and in the rotating process of the feeding cam 16, the protruding part of the feeding cam 16 dials the gloves to the material conveying channel 22, so that the gloves are horizontal when falling on the material conveying channel 22 as far as possible, and the phenomenon that the gloves are stacked when falling on the material conveying channel 22, and the adsorption cleaning effect of a needle falling on the gloves by the subsequent needle cleaning assembly 5 is influenced is avoided. The pressure cylinder 171 can be used to drive the pressure plate 17 to intermittently prevent gloves from entering between the material guiding plate 14 and the material distributing plate 13, so as to prevent more gloves from being present between the material guiding plate 14 and the material distributing plate 13.

Needle drop detection:the first detection assembly 27, the second detection assembly 28 and the third detection assembly 29 have the same detection principle, when the glove moves to the lower part of the U-shaped frame 4, the metal detection probe 41 senses whether a needle is dropped on the glove, if the needle is dropped, the metal detection probe feeds the detected needle back to the controller 8, the alarm 42 is controlled to give an alarm, and the corresponding needle cleaning assembly 5 or the corresponding material pushing assembly 6 is controlled to work. Wherein each hand on the material conveying channel 22The sleeve is subjected to three-time needle falling detection and two-time needle falling cleaning, and the upper end face and the lower end face of the glove are turned over by the material turning mechanism 3, so that needle falling detection is performed on the upper surface and the lower surface of the glove, and the detection effect on needle falling is ensured.

Needle falling and cleaning:when the metal detection probe 41 in the first detection assembly 27 and/or the second detection assembly 28 detects that there is a needle drop on the glove on the corresponding channel, the metal detection probe feeds back to the controller 8 and controls the corresponding alarm 42 to give an alarm, the camera 43 takes a picture of the glove and feeds back to the processor 81, and the processor 81 performs image processing and determines the opening orientation of the glove with the needle drop. The controller 8 controls the sleeve pressing cylinder 531 far away from the glove opening to work according to the feedback result of the processor 81, drives the corresponding sleeve pressing plate 53 to vertically slide and press the finger part of the glove, and then drives the micro cylinder 524 to extend or retract, so that the magnetic suction plate 52 moves towards the direction close to the glove opening, thus the needle falling on the upper end surface of the glove can be directly sucked by the magnetic suction plate 52, and the needle falling in the glove clamping layer can move out of the glove opening along with the movement of the magnetic suction plate 52 and is sucked onto the magnetic suction plate 52.

Turning over the gloves:the gloves fall down from the first conveyor belt 25 and slide onto the material turning plate 31 along the material discharging plate 251, and the vibration motor 331 drives the vibration plate 33 to vibrate and drives the material turning plate 31 to vibrate and level the gloves. When the material turning plate 31 overturns towards the direction close to the second conveying belt 26, gloves are turned over and placed on the second conveying belt 26, the lower end face of the gloves when being sleeved on the first conveying belt 25 is the upper end face of the gloves when being sleeved on the second conveying belt 26, so that the upper face and the lower face of the gloves are respectively detected by the first detection assembly 27 and the second detection assembly, the two needle falling faces of the gloves are respectively cleaned by the two needle cleaning assemblies 5, and the detection and the cleaning effect of the needle falling on the gloves are guaranteed. During the turning process of the material turning plate 31, the vibrated falling needles slide into the needle receiving grooves 34 along the inclined angle, so that the falling needles are collected.

And (3) material returning treatment:when the metal detection probe 41 in the third detection assembly 29 detects that a needle is dropped in the glove, the metal detection probe feeds back to the controller 8 and controls the alarm 42 to give an alarm, and when the glove with the dropped needle moves to the pushing assembly 6, the controller 8 controls the corresponding pushing cylinder 62 to work, so that the pushing material is pushedThe cylinder 62 pushes the pusher block 63 to move, the pusher plate 64 will move to that point and the dropped gloves are pushed down from the second conveyor belt 26. The gloves on the material conveying channel 22 fall onto the material returning component 7 from the corresponding material outlet 65, and are sent back to the material returning channel 23 by the material returning component 7 for detection and treatment again. The gloves on the feed-back channel 23 fall onto the discharge plate 74 from the corresponding discharge hole 65, enter the defective product collecting basket 75 to be collected, and are manually cleaned subsequently.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a knitting gloves detection device that falls to one's needle which characterized in that: the device comprises a detection mechanism (2) and a feeding mechanism (1) arranged at the feeding end of the detection mechanism (2), wherein the detection mechanism (2) comprises a rack (21) arranged along the feeding direction, and two material conveying channels (22) and a material returning channel (23) are arranged on the rack (21); the material conveying channels (22) and the material returning channel (23) are arranged along the length direction of the rack (21), the material returning channel (23) is positioned on one side of one material conveying channel (22), and a baffle (24) arranged along the length direction of the rack (21) is arranged between every two material returning channels (23) and two material conveying channels (22);

the feed back channel (23) and the feed delivery channel (22) both comprise a first conveyor belt (25) and a second conveyor belt (26) which are arranged along the length direction of the feed back channel and the feed delivery channel, and a material turning mechanism (3) is arranged between the first conveyor belt (25) and the second conveyor belt (26); a first detection assembly (27), a second detection assembly (28) and a third detection assembly (29) are sequentially arranged on the rack (21) along the length direction of the rack, the first detection assembly (27) is positioned above the first conveyor belt (25), and the second detection assembly (28) and the third detection assembly (29) are positioned above the second conveyor belt (26);

the first detection assembly (27), the second detection assembly (28) and the third detection assembly (29) are identical in structure and respectively comprise U-shaped frames (4) which are arranged along the width direction of the rack (21) and are provided with downward openings, metal detection probes (41) which respectively correspond to the material conveying channel (22) and the material returning channel (23) are arranged at the bottoms of the U-shaped frames (4), each metal detection probe (41) is respectively connected with an alarm (42) which is fixed on the U-shaped frame (4), and the metal detection probes (41) and the alarms (42) are in communication feedback connection with a controller (8);

needle cleaning assemblies (5) are arranged between the first detection assembly (27) and the material turning mechanism (3) and between the second detection assembly (28) and the third detection assembly (29), and the needle cleaning assemblies (5) respectively correspond to the material conveying channel (22) and the material returning channel (23); the needle cleaning assembly (5) comprises a magnetic suction plate (52) arranged along the width direction of the rack (21), a bracket (51) fixed on the rack (21)/the baffle (24) is arranged at the end part of the magnetic suction plate (52), and the magnetic suction plate (52) is slidably mounted on the bracket (51) along the length direction of the rack (21);

the support (51) is also provided with sleeve pressing plates (53) symmetrically arranged at two sides of the magnetic suction plate (52), and the sleeve pressing plates (53) are vertically and slidably arranged on the support (51); the U-shaped frame (4) in the first detection assembly (27) and the second detection assembly (28) is fixedly provided with a camera (43) which is positioned above the corresponding material conveying channel (22) and the corresponding material return channel (23), the camera (43) is connected with a processor (81) arranged in the controller (8) in a communication feedback manner, and the processor (81) controls the vertical sliding of the two sleeve pressing plates (53) and the horizontal sliding of the magnetic suction plate (52) through the communication of the controller (8);

one end, far away from the feeding mechanism (1), of the rack (21) is provided with a qualified product receiving basket (261) corresponding to the material conveying channel (22) and the material returning channel (23), a material pushing component (6) corresponding to the material conveying channel (22) and the material returning channel (23) is arranged between the third detection component (29) and the qualified product receiving basket (261), and the material pushing component (6) pushes materials in the width direction of the rack (21); a discharge port (65) matched with the corresponding pushing assembly (6) is respectively arranged at one end of the baffle (24) and one side of the rack (21), a material returning assembly (7) is arranged at the discharge port (65), one end, far away from the discharge port (65), of the material returning assembly (7) is positioned between the feeding mechanism (1) and the first detection assembly (27), and the discharge end of the material returning assembly is positioned right above the material returning channel (23);

the material turning mechanism (3) comprises a material turning plate (31) arranged along the width direction of the rack (21), one end, close to the second conveyor belt (26), of the material turning plate (31) is hinged to the rack (21), the hinge axis of the material turning plate is arranged along the width direction of the rack (21), and a yielding groove (311) matched with the baffle (24) is formed in the material turning plate (31); a blanking plate (251) which is positioned between the first conveyor belt (25) and the material turning plate (31) and is obliquely arranged is arranged on the rack (21), one end of the blanking plate (251), which is close to the material turning plate (31), is a lower end, and a material turning gap (312) is arranged between the blanking plate (251) and the material turning plate (31);

the two ends of a hinged shaft of the material turning plate (31) are hinged with lugs (32), a lifting groove (211) which is vertically arranged and matched with the lugs (32) is arranged on the rack (21), the lugs (32) are vertically and slidably arranged in the lifting groove (211), and a vertically arranged supporting spring (321) is arranged between the bottom of each lug and the inner bottom wall of the lifting groove (211); the frame (21) is provided with a vibrating plate (33) which is positioned below the material stirring plate (31) and arranged along the width direction of the frame (21), and the vibrating plate (33) is connected with a vibrating motor (331); the needle receiving groove (34) which is arranged along the width direction of the frame (21) and has an opening at the upper end is formed in the frame, and the hinged end of the material turning plate (31) is positioned right above the needle receiving groove (34); the inner bottom wall of the needle receiving groove (34) is obliquely arranged along the length direction, and the bottom of the lower end of the needle receiving groove is provided with a needle outlet (341) with a plug cover (342).

2. A knitted glove drop detection apparatus according to claim 1, wherein: the material pushing assembly (6) comprises a material pushing frame (61) which is arranged on the baffle plate (24)/the rack (21) and is far away from the corresponding material outlet (65), a material pushing cylinder (62) which is arranged along the width direction of the rack (21) is arranged on the material pushing frame (61), a piston rod of the material pushing cylinder (62) is close to the corresponding material outlet (65) and is connected with a material pushing seat (63), a vertically arranged push plate (64) is detachably mounted at the lower end of the material pushing seat (63), the lower end face of the push plate (64) is close to the upper end face of the second conveying belt (26), and a metal detection probe (41) and an alarm (42) in the third detection assembly (29) are in communication control connection with the corresponding material pushing cylinder (62) through a controller (8).

3. A knitted glove drop detection apparatus according to claim 1 or 2, wherein: the material returning assembly (7) comprises a first material returning belt (71), a second material returning belt (72) and a third material returning belt (73), the first material returning belt (71) and the third material returning belt (73) are arranged along the width direction of the rack (21), and the second material returning belt (72) is positioned between the first material returning belt (71) and the third material returning belt (73) and is obliquely arranged along the length direction of the rack (21); the first material returning belt (71) is positioned below the discharge hole (65), one end of the first material returning belt extends out of the rack (21), and the lower end of the second material returning belt (72) is close to one end, extending out of the rack (21), of the first material returning belt (71) and positioned below the first material returning belt (71); the higher end of the second return belt (72) is close to the third return belt (73) and is positioned above the third return belt (73), and one end, far away from the second return belt (72), of the third return belt (73) is positioned right above the return channel (23).

4. A knitted glove drop detection apparatus according to claim 3, wherein: a discharge plate (74) which is obliquely arranged is arranged below a discharge hole (65) corresponding to the return channel (23), the discharge plate (74) is positioned above the first return belt (71), the lower end of the discharge plate extends out of the first return belt (71) and is positioned on one side of the first return belt (71), and a defective product recovery basket (75) which is positioned right below the lower end of the discharge plate (74) is arranged on one side of the first return belt (71).

5. The drop detection device for knitted gloves according to claim 1, wherein: the bracket (51) is provided with a guide groove (511) arranged along the length direction of the rack (21), and the end part of the magnetic suction plate (52) is provided with a guide block (521) which is slidably arranged in the guide groove (511); a micro cylinder (524) arranged along the length direction of the guide groove (511) is arranged on the support (51), and a piston rod of the micro cylinder (524) is positioned in the guide groove (511) and fixedly connected with the guide block (521); the support (51) is further provided with a sleeve pressing cylinder (531), a piston rod of the sleeve pressing cylinder (531) is vertically and downwards fixedly connected with the upper end face of the sleeve pressing plate (53), and the micro cylinder (524) and the sleeve pressing cylinder (531) are in communication feedback control with the corresponding metal detection probe (41)/alarm (42) and camera (43) through a controller (8).

6. A knitted glove drop detection apparatus according to claim 5, wherein: a guide screw rod (54) parallel to the magnetic suction plate (52) is rotatably installed on the guide block (521) in a positioning mode, the guide screw rod (54) is in threaded connection with a cleaning seat (55), and a needle cleaning ring (56) which is in sliding fit with the magnetic suction plate (52) is arranged on one side, close to the magnetic suction plate (52), of the cleaning seat (55); the needle receiving box (57) which is positioned below the magnetic suction plate (52) and matched with the needle cleaning ring (56) is hung on the side wall of the cleaning seat (55), two ends of the magnetic suction plate (52) are respectively provided with a non-magnetic suction part (522) which is integrally formed with the magnetic suction plate, and an anti-falling clamping plate (523) is inserted into the end part of the magnetic suction plate far away from the support (51).

7. A knitted glove drop detection apparatus according to claim 1, wherein: the feeding mechanism (1) comprises a feeding frame (11) arranged along the length direction of a rack (21), a feeding belt (12) arranged along the length direction of the feeding frame (11) is arranged on the feeding frame (11), and one end, close to the rack (21), of the feeding belt (12) is located above a feeding channel (22); one end of the feeding frame (11) close to the rack (21) is provided with a material distributing plate (13) which is arranged along the length direction of the feeding frame and is positioned on the symmetrical plane of the two material conveying channels (22), and two sides of the material distributing plate (13) are symmetrically provided with material guide plates (14) which are obliquely arranged; the two material guide plates (14) form a splayed structure, an opening at one end, close to the material conveying channel (22), of the splayed structure is smaller, and an opening formed between the material guide plates (14) and the material distributing plate (13) is respectively matched with the two material conveying channels (22).

8. The knitted glove drop detection apparatus according to claim 7, wherein: a feeding shaft (15) arranged along the width direction of the feeding frame (11) is positioned and rotatably arranged between the two material guide plates (14), two feeding cams (16) rotating around the feeding shaft in an eccentric manner are clamped on the feeding shaft (15), and the two feeding cams (16) are respectively positioned in openings formed by the two material guide plates (14) and the material distributing plate (13); one end, far away from the feeding shaft (15), of the material distributing plate (13) is provided with a pressing plate (17) arranged along the length direction of the feeding shaft (15), and the pressing plate (17) is vertically installed on the material distributing plate (13) in a sliding mode.