CN111761826B

CN111761826B - Ear belt connecting device is used in production of epidemic prevention gauze mask

Info

Publication number: CN111761826B
Application number: CN202010487988.4A
Authority: CN
Inventors: 倪鸿宁
Original assignee: Individual
Current assignee: Purple Frog Technology Guangzhou Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2022-06-28
Anticipated expiration: 2040-06-02
Also published as: CN111761826A

Abstract

The invention discloses an ear strap connecting device for production of an epidemic prevention mask, and relates to the technical field of mask ear strap welding machines, in particular to a transmission belt, a wire feeding box and a wire cutting mechanism, wherein a groove is formed in the surface of the transmission belt, a hard plate is arranged at the bottom of the inner wall of the groove, the wire feeding box is arranged on two sides of the upper surface of the transmission belt, a supporting piece is connected to the inner side of a motor box, the wire cutting mechanism is arranged on the other side of the supporting piece, the bottom of a hydraulic cylinder is connected with a push rod, welding columns are connected around the bottom of the push plate, and an infrared sensor is arranged in the middle of the lower surface of the push plate. This epidemic prevention gauze mask production is with ear area connecting device rotates through defeated line wheel, the wheel of being qualified for the next round of competitions and transmits the ear area line, is favorable to preventing that the ear area line from taking place the card at defeated line in-process and dunng, and motor box stop drive defeated line wheel, the wheel of being qualified for the next round of competitions when the tablet receives the touching of ear area line, and defeated line wheel, the wheel of being qualified for the next round of competitions carry out the centre gripping to the ear area line this moment, prevent that the ear area line from taking place to rock and make things convenient for the later stage to cut the ear area line.

Description

Ear belt connecting device is used in production of epidemic prevention gauze mask

Technical Field

The invention relates to the technical field of mask ear band welding machines, in particular to an ear band connecting device for producing an epidemic prevention mask.

Background

The mask is a sanitary article, is generally worn at the position of mouth and nose for filtering air entering mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, is made of gauze or paper and the like, has a certain filtering effect on air entering lung, has a very good effect when being worn in respiratory infectious diseases and operating in dust and other polluted environments, and consists of a mask and ear bands, wherein the ear bands are distributed on two sides of the mask, people only need to hang the ear bands on ears when wearing the mask, and the ear bands and the mask are generally welded together by an ear band welding machine in the production process of the mask.

The existing ear belt welding machine is complex in structure, high in cost and not suitable for small enterprises, and the phenomenon of blocking is very easy to occur in the ear belt feeding process, so that shutdown maintenance is needed, and the improvement of the production efficiency is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an ear strap connecting device for producing an epidemic prevention mask, and solves the problems that an ear strap welding machine provided by the background art is complex in structure, high in cost and not suitable for small enterprises, clamping phenomenon is easy to occur in the ear strap feeding process, shutdown and maintenance are needed, and accordingly production efficiency is not improved.

In order to achieve the purpose, the invention is realized by the following technical scheme: an ear band connecting device for producing an epidemic prevention mask comprises a transmission band, a wire feeding box and a wire cutting mechanism, wherein the surface of the transmission band is provided with a groove, the bottom of the inner wall of the groove is provided with a hard plate, the wire feeding boxes are arranged at two sides of the upper surface of the transmission belt, the side surfaces of the wire feeding boxes are provided with motor boxes, the inner sides of the motor boxes are connected with supporting pieces, the thread conveying wheel is arranged in the supporting piece, the bottom of the supporting piece is provided with a thread groove, one side of the supporting piece is provided with an induction plate, the wire cutting mechanism is arranged at the other side of the support piece, a fixed frame is fixed on the upper surface of the motor box, a hydraulic cylinder is fixed in the middle of the surface of the fixed frame, the bottom of the hydraulic cylinder is connected with a push rod, the bottom of the push rod is fixed with a push plate, the periphery of the bottom of the push plate is connected with welding columns, and the bottom of the welding column is provided with a welding head, the side surface of the welding column is fixed with a touch pad, and the middle part of the lower surface of the push plate is provided with an infrared sensor.

Optionally, the grooves are equidistantly distributed on the surface of the conveying belt, the sizes of the inner openings of the grooves are matched with the sizes of the outer openings of the hard board, and the thickness of the hard board is smaller than the depth of the grooves.

Optionally, the wire feeding box comprises a wire storage box, a support, balls, a winding reel, a wire outlet and a wire outlet wheel, the support is arranged inside the wire storage box, the balls are arranged inside the support, the winding reel is arranged inside the balls, the wire outlet is formed in one side of the wire storage box, and the wire outlet wheel is arranged inside the wire outlet.

Optionally, the wire outlet wheel forms a rotating structure through the motor box, the lower surface of the wire outlet wheel is attached to the bottom of the inner wall of the wire outlet, the winding reel is movably connected with the support, and the winding reel forms a rotating structure through the wire outlet wheel, the balls and the support.

Optionally, the induction plates and the supporting members are vertically distributed, and the heights of the supporting members are lower than the heights of the outlets.

Optionally, the thread cutting mechanism comprises a torsion spring, a thread cutting blade and a bolt, the thread cutting blade is connected inside the torsion spring, and the bolt penetrates through the thread cutting blade.

Optionally, the tangent line blade passes through the bolt and constitutes fixed connection with the torsional spring, and the tangent line blade passes through the torsional spring and constitutes reset structure, and the connected mode between torsional spring and the motor case is the welding moreover.

Optionally, the welding heads are symmetrically distributed about a vertical center line of the push plate, the vertical center line of the welding heads and a vertical center line of the welding column are overlapped, and the welding heads and the welding column form a lifting structure with the hydraulic cylinder through the push plate and the push rod.

Optionally, the hydraulic cylinder is fixedly connected with the fixed frame, a frame structure is formed between the fixed frame and the motor box, and the vertical center line of the hydraulic cylinder and the vertical center line of the conveying belt coincide with each other.

Optionally, the touch pad side is laminated with the tablet side mutually, and the touch pad is flexible structure, be threaded connection between infrared sensor and the push pedal.

The invention provides an ear belt connecting device for producing an epidemic prevention mask, which has the following beneficial effects:

1. this ear area connecting device is used in production of epidemic prevention gauze mask carries the face guard through the transmission band and reachs the bonding tool below, and the face guard is arranged in the recess that the transmission band surface was seted up, can prevent that the face guard from taking place to shift, and the recess is inside to be provided with the hardboard can support the face guard and prevent that the face guard from taking place to cave in under bonding tool pressure to improve the accurate nature when face guard and ear area weld.

2. This ear area connecting device is used in epidemic prevention gauze mask production, defeated line wheel through the inside motor drive of motor incasement, it carries out clockwise rotation to go out the line wheel, it can tear out the ear area line from the spool surface and outwards carry until reaching defeated line wheel department to go out the line wheel rotation, and defeated line wheel rotates and can carry the ear area line once more and carry until touching the tablet, the inside touching sensor that is provided with of tablet, motor case stops to drive defeated line wheel when receiving the touching of ear area line, it is qualified for the next round of competitions the line wheel, defeated line wheel laminates with support piece mutually this moment, thereby it carries out the centre gripping to the ear area line with outlet phase laminating mutually to go out the line wheel, thereby it cuts the ear area line to prevent that the ear area line from taking place to rock the convenience later stage, and through the wheel, it transmits to go out the line area line wheel rotation, be favorable to preventing that the ear area line from taking place to block in defeated line in-process.

3. This ear area connecting device is used in epidemic prevention gauze mask production, it can tear out and outwards carry the ear area line from the reel surface to go out to rotate the reel, and because the inside ball that is provided with of support, can reduce the frictional force when the reel rotates when having the ear area line to the surface winding through the ball to support, makes things convenient for the reel to be qualified for the next round of competitions and tears out the ear area line and carry, and deposit the line box top and not set up the shelter from the thing and can make its inside expose, makes things convenient for the later stage to change the reel.

4. This ear area connecting device is used in epidemic prevention gauze mask production, thereby it makes it use the torsional spring to cut off the ear area line as centre of a circle downward rotation to promote the in-process bonding tool that the bonding tool pushed down through the pneumatic cylinder and support tangent line blade, and the bonding tool supports the ear area line both ends that cut off respectively and continues to push down until pasting on the face guard, bonding tool intercommunication external power source generates heat and makes ear area line both ends and face guard contact department melt and connect together, the transmission band moves simultaneously and can make the ear area line pass through the threading groove and break away from support piece is inside, this setting can break away from the ear area line from support piece is inside through kinetic energy that the transmission band function produced and bonding tool support the both ends of ear area line, avoid the ear area line to take place the card in support piece is inside to pause.

5. This ear area connecting device is used in epidemic prevention gauze mask production, the bonding tool pushes down and drives the ear area line and leave the tablet side, replace the ear area line by the touching pad simultaneously and continue to contact with the tablet, prevent that the bonding tool is in the support piece below, and the inside transmission ear area line of support piece, the bonding tool is accomplished welding operation and is risen and leave the tablet side until the touching pad, line wheel this moment, the line wheel carries the ear area line and carries and carry until ear area line one end supports the tablet, simultaneously because the bonding tool rises can make the tangent line blade pass through torsional spring automatic re-setting and wait next tangent line operation, this set up simple and practical, the staff only need with the face guard put into the recess on transmission band surface can, be favorable to reducing work burden, this ear area connecting device simple structure simultaneously, be favorable to reduce cost, make things convenient for later maintenance to overhaul, be favorable to being applicable to small-size enterprises and using.

Drawings

FIG. 1 is a side view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the storage box of the present invention;

FIG. 4 is a schematic top view of the conveyor belt of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

In the figure: 1. a conveyor belt; 2. a groove; 3. a hard plate; 4. a wire feeding box; 401. a wire storage box; 402. a support; 403. a ball bearing; 404. a spool; 405. an outlet; 406. a wire outlet wheel; 5. a motor case; 6. a support member; 7. a wire conveying wheel; 8. a threading slot; 9. an induction plate; 10. a wire cutting mechanism; 1001. a torsion spring; 1002. a thread cutting blade; 1003. a bolt; 11. a fixed frame; 12. a hydraulic cylinder; 13. a push rod; 14. pushing the plate; 15. welding the column; 16. a welding head; 17. a touch pad; 18. an infrared sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution: an ear belt connecting device for producing an epidemic prevention mask comprises a transmission belt 1, a wire feeding box 4 and a wire cutting mechanism 10, wherein a groove 2 is formed in the surface of the transmission belt 1, a hard plate 3 is arranged at the bottom of the inner wall of the groove 2, the grooves 2 are equidistantly distributed on the surface of the transmission belt 1, the structural size of an inner opening of each groove 2 is matched with that of an outer opening of the hard plate 3, the thickness size of the hard plate 3 is smaller than that of the groove 2, a mask is arranged in the groove 2 formed in the surface of the transmission belt 1 and can be prevented from shifting, the hard plate 3 arranged in each groove 2 can support the mask to prevent the mask from sinking under the pressure of a welding head 16, and therefore the accuracy of the mask and the ear belt during welding is improved;

The wire feeding box 4 is arranged at two sides of the upper surface of the transmission belt 1, the motor box 5 is arranged at the side surface of the wire feeding box 4, the wire feeding box 4 comprises a wire storage box 401, a support frame 402, balls 403, a wire winding reel 404, a wire outlet 405 and a wire outlet wheel 406, the support frame 402 is arranged in the wire storage box 401, the balls 403 are arranged in the support frame 402, the wire winding reel 404 is arranged in the balls 403, a wire outlet 405 is arranged at one side of the wire storage box 401, the wire outlet wheel 406 is arranged in the wire outlet 405, the wire outlet wheel 406 forms a rotating structure through the motor box 5, the lower surface of the wire outlet wheel 406 is attached to the bottom of the inner wall of the wire outlet 405, the wire winding reel 404 is movably connected with the support frame 402, the wire winding reel 404 forms a rotating structure through the wire outlet wheel 406 and the balls and the support frame 402, the wire outlet wheel 406 rotates to tear the ear strap wire from the surface of the wire winding reel 403 and convey the ear strap wire outwards, and the balls 403 are arranged in the support frame 402, the bobbin 404 with the lug wire wound on the surface can be supported by the balls 403, meanwhile, the friction force generated when the bobbin 404 rotates can be reduced, the bobbin 404 can be conveniently pulled out of the lug wire by the wire outlet wheel 406 for conveying, and the bobbin 404 can be conveniently replaced in the later period because the interior of the bobbin 401 is exposed due to the fact that no shielding object is arranged on the top of the wire storage box;

The inner side of the motor box 5 is connected with a support part 6, a wire conveying wheel 7 is arranged in the support part 6, a threading groove 8 is formed in the bottom of the support part 6, an induction plate 9 is arranged on one side of the support part 6, the induction plate 9 and the support part 6 are vertically distributed, the height of the support part 6 is lower than that of the wire outlet 405, the wire conveying wheel 7 and the wire outlet wheel 406 are driven by a motor in the motor box 5 to rotate clockwise, the wire outlet wheel 406 rotates to pull out the ear wire from the surface of the winding shaft 404 and convey the ear wire outwards until reaching the position of the wire conveying wheel 7, the wire conveying wheel 7 rotates to convey the ear wire again until the ear wire touches the induction plate 9, a touch sensor is arranged in the induction plate 9, when the ear wire touches the wire, the motor box 5 stops driving the wire conveying wheel 7 and the wire outlet wheel 406, the wire conveying wheel 7 is pasted with the support part 6 at the moment, the wire outlet wheel 406 is pasted with the wire outlet 405 so as to clamp the ear wire, the ear belt line is prevented from shaking, so that the ear belt line can be conveniently cut at the later stage, the ear belt line is transmitted through the rotation of the line conveying wheel 7 and the line outlet wheel 406, the ear belt line can be favorably prevented from being blocked in the line conveying process, the height of the support piece 6, which is lower than the height of the line outlet 405, is convenient for the ear belt line to be conveyed in an arc sinking manner, and the phenomenon that the line head part of the ear belt line is blocked due to falling is avoided;

The wire cutting mechanism 10 is arranged on the other side of the support 6, the wire cutting mechanism 10 comprises a torsion spring 1001, a wire cutting blade 1002 and a bolt 1003, the wire cutting blade 1001 is connected with the wire cutting blade 1002, the bolt 1003 penetrates through the wire cutting blade 1002, the wire cutting blade 1002 is fixedly connected with the torsion spring 1001 through the bolt 1003, the wire cutting blade 1002 forms a reset structure through the torsion spring 1001, the connection mode between the torsion spring 1001 and the motor box 5 is welding, the welding head 16 abuts against the wire cutting blade 1002 to rotate downwards with the torsion spring 1001 as a circle center in the process that the welding head 16 is pushed to press downwards through the hydraulic cylinder 12, the lug wire is cut off, the welding head 16 ascends to enable the wire cutting blade 1002 to automatically reset through the torsion spring 1001 to wait for next wire cutting operation, the wire cutting blade 1002 is fixedly connected with the torsion spring 1001 through the bolt 1003, the wire cutting blade 1002 can be replaced and maintained only by unscrewing the bolt 1003 in the later stage, and passivation of the wire cutting blade 1002 is avoided, the connection mode between the torsion spring 1001 and the motor box 5 is welding, which is favorable for improving the stability of the torsion spring 1001;

a fixed frame 11 is fixed on the upper surface of the motor box 5, a hydraulic cylinder 12 is fixed in the middle of the surface of the fixed frame 11, a push rod 13 is connected to the bottom of the hydraulic cylinder 12, a push plate 14 is fixed at the bottom of the push rod 13, welding columns 15 are connected around the bottom of the push plate 14, welding heads 16 are arranged at the bottom of the welding columns 15, the welding heads 16 are symmetrically distributed around the vertical central line of the push plate 14, the vertical central line of the welding heads 16 and the vertical central line of the welding columns 15 coincide with each other, the welding heads 16 and the welding columns 15 form a lifting structure through the push plate 14 and the push rod 13 and the hydraulic cylinder 12, the hydraulic cylinder 12 is fixedly connected with the fixed frame 11, a frame structure is formed between the fixed frame 11 and the motor box 5, the vertical central line of the hydraulic cylinder 12 and the vertical central line of the transmission belt 1 coincide with each other, the hydraulic cylinder 12 is fixed on the upper surface of the fixed frame 11 through screws, and the stability of the hydraulic cylinder 12 during operation is improved, the ear belt line is prevented from shaking, the welding head 16 abuts against the tangent blade 1002 to enable the tangent blade to rotate downwards with the torsion spring 1001 as a circle center in the process of pushing the welding head 16 to press downwards through the hydraulic cylinder 12, so that the ear belt line is cut off, the welding head 16 abuts against the two ends of the cut ear belt line respectively and continues to press downwards until the two ends of the cut ear belt line are attached to the mask, the welding head 16 is communicated with an external power supply to generate heat, so that the two ends of the ear belt line are fused with the contact part of the mask, meanwhile, the ear belt line can pass through the threading groove 8 to be separated from the inside of the supporting piece 6 due to the operation of the transmission belt 1, and the ear belt line can be separated from the inside of the supporting piece 6 due to the kinetic energy generated by the operation of the transmission belt 1 and the fact that the two ends of the ear belt line abut against the two ends of the ear belt line, so that the ear belt line cannot be separated from the supporting piece is avoided from being blocked;

A touch pad 17 is fixed on the side surface of the welding column 15, an infrared sensor 18 is arranged in the middle of the lower surface of the push plate 14, the side surface of the touch pad 17 is attached to the side surface of the induction plate 9, the touch pad 17 is of a flexible structure, the infrared sensor 18 is in threaded connection with the push plate 14, the welding head 16 is pressed down to drive the ear wire to leave the side surface of the induction plate 9, meanwhile, the touch pad 17 replaces the ear wire to be continuously contacted with the induction plate 9, the welding head 16 is prevented from being below the supporting piece 6 and transmitting the ear wire inside the supporting piece 6, the welding head 16 finishes welding operation and rises until the touch pad 17 leaves the side surface of the induction plate 9, at the moment, the wire conveying wheel 7 and the wire outlet wheel 406 rotate clockwise to convey the ear wire until one end of the ear wire is abutted against the induction plate 9, meanwhile, the wire cutting blade 1002 automatically resets through the torsion spring 1001 due to the rising of the welding head 16 to wait for the next wire cutting operation, the setting is simple and practical, a worker only needs to put the mask into the groove 2 on the surface of the transmission belt 1, be favorable to reducing work burden, this ear area connecting device simple structure is favorable to reduce cost simultaneously, makes things convenient for the later maintenance to overhaul, is favorable to being applicable to small-size enterprise and uses, and 18 tops of infrared sensor all are provided with the screw thread mouth so that 18 and 14 threaded connection of push pedal of infrared sensor, also make things convenient for the later stage to twist off 18 infrared sensor and overhaul the maintenance.

In conclusion, when the ear strap connecting device for producing the epidemic prevention mask is used, firstly, a worker places the face mask in the groove 2 formed in the surface of the transmission belt 1 to prevent the face mask from shifting, when the transmission belt 1 operates to carry the face mask to move, meanwhile, the motor in the motor box 5 drives the wire conveying wheel 7 and the wire outlet wheel 406 to rotate clockwise, the wire outlet wheel 406 rotates to pull out the ear strap wires from the surface of the winding shaft 404 and convey the ear strap wires outwards until the wire conveying wheel 7 is reached, the wire conveying wheel 7 rotates to convey the ear strap wires again until the ear strap wires touch the sensing plate 9, the sensing plate 9 is internally provided with a touch sensor, when the ear strap wires touch, the motor box 5 stops driving the wire conveying wheel 7 and the wire outlet wheel 406, at the moment, the wire conveying wheel 7 is attached to the support 6, the wire outlet wheel 406 is attached to the wire outlet 405 to clamp the ear strap wires, the ear strap wires are prevented from shaking, and the ear strap wires are convenient to be cut in the later period, then when the infrared sensor 18 detects the mask, the hydraulic cylinder 12 pushes the welding head 16 to press downwards, in the process, the welding head 16 abuts against the tangent blade 1002 to enable the tangent blade to rotate downwards around the torsion spring 1001 as a circle center so as to cut off the ear strip line, then the welding head 16 abuts against two ends of the cut ear strip line respectively and continues to press downwards until the welding head is attached to the mask, the welding head 16 is communicated with an external power supply to generate heat so that two ends of the ear strip line are fused with the contact part of the mask, meanwhile, the transmission belt 1 operates to enable the ear strip line to pass through the threading groove 8 to be separated from the inside of the supporting part 6, the touch pad 17 replaces the ear strip line to continue to contact with the sensing plate 9 while the welding head 16 presses downwards to drive the ear strip line to leave the side surface of the sensing plate 9, the wire conveying wheel 7 and the wire outlet wheel 406 start to operate and convey the ear strip line, and then the welding head 16 rises through the hydraulic cylinder 12 to enable the tangent blade 1002 to automatically reset through the torsion spring 1001 to wait for the next tangent operation, and finally, when the touch pad 17 is lifted away from the side surface of the induction plate 9, the wire conveying wheel 7 and the wire outlet wheel 406 rotate clockwise again to convey the lug-carrying wire until the wire conveying wheel touches the induction plate 9, and the operations are repeated until the wire conveying wheel and the wire outlet wheel continuously carry out the operations, wherein the type of the hydraulic cylinder 12 is MOB-50, and the type of the infrared sensor 18CJM-10A 2-S.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an epidemic prevention gauze mask production is with ear area connecting device, includes transmission band (1), send line case (4) and thread cutting mechanism (10), its characterized in that: the wire cutting machine is characterized in that a groove (2) is formed in the surface of the transmission belt (1), a hard board (3) is arranged at the bottom of the inner wall of the groove (2), the wire feeding boxes (4) are arranged on two sides of the upper surface of the transmission belt (1), a motor box (5) is arranged on the side surface of each wire feeding box (4), a supporting piece (6) is connected to the inner side of each motor box (5), a wire feeding wheel (7) is arranged inside each supporting piece (6), a threading groove (8) is formed in the bottom of each supporting piece (6), an induction plate (9) is arranged on one side of each supporting piece (6), the wire cutting mechanism (10) is arranged on the other side of each supporting piece (6), a fixed frame (11) is fixed on the upper surface of each motor box (5), a hydraulic cylinder (12) is fixed in the middle of the surface of each fixed frame (11), a push rod (13) is connected to the bottom of each hydraulic cylinder (12), and a push plate (14) is fixed to the bottom of each push rod (13), welding columns (15) are connected to the periphery of the bottom of the push plate (14), a welding head (16) is arranged at the bottom of each welding column (15), a contact pad (17) is fixed to the side face of each welding column (15), and an infrared sensor (18) is arranged in the middle of the lower surface of the push plate (14); the grooves (2) are distributed on the surface of the conveyor belt (1) at equal intervals, the structural size of the inner openings of the grooves (2) is matched with that of the outer openings of the hard board (3), and the thickness of the hard board (3) is smaller than the depth of the grooves (2); the wire feeding box (4) comprises a wire storage box (401), a support (402), balls (403), a winding shaft (404), a wire outlet (405) and a wire outlet wheel (406), the support (402) is arranged inside the wire storage box (401), the balls (403) are arranged inside the support (402), the winding shaft (404) is arranged inside the balls (403), the wire outlet (405) is formed in one side of the wire storage box (401), and the wire outlet wheel (406) is arranged inside the wire outlet (405); the wire outgoing wheel (406) forms a rotating structure through the motor box (5), the lower surface of the wire outgoing wheel (406) is attached to the bottom of the inner wall of the wire outlet (405), the winding shaft (404) is movably connected with the support (402), and the winding shaft (404) forms a rotating structure through the wire outgoing wheel (406), the balls (403) and the support (402); the induction plate (9) and the supporting piece (6) are vertically distributed, and the height of the supporting piece (6) is lower than that of the outlet (405); the wire cutting mechanism (10) comprises a torsion spring (1001), a wire cutting blade (1002) and a bolt (1003), the wire cutting blade (1002) is connected inside the torsion spring (1001), and the bolt (1003) penetrates through the wire cutting blade (1002); the wire cutting blade (1002) is fixedly connected with the torsion spring (1001) through a bolt (1003), the wire cutting blade (1002) forms a reset structure through the torsion spring (1001), and the torsion spring (1001) is welded with the motor box (5); the welding heads (16) are symmetrically distributed about the vertical central line of the push plate (14), the vertical central line of the welding heads (16) and the vertical central line of the welding column (15) are superposed, and the welding heads (16) and the welding column (15) form a lifting structure through the push plate (14), the push rod (13) and the hydraulic cylinder (12); the hydraulic cylinder (12) is fixedly connected with the fixed frame (11), a frame structure is formed between the fixed frame (11) and the motor box (5), and the vertical center line of the hydraulic cylinder (12) is overlapped with the vertical center line of the conveying belt (1); the side face of the touch pad (17) is attached to the side face of the induction plate (9), the touch pad (17) is of a flexible structure, and the infrared sensor (18) is in threaded connection with the push plate (14).