CN111483165B - A mask forming welding device - Google Patents

Abstract

The invention relates to the technical field of mask machines, and in particular to a mask forming and welding device, comprising two side plates, which are parallel and fixed at intervals on the upper surface of a frame, and the mask forming and welding device further comprises an edge banding flower roller group, a flower roller group, a cutter roller group, a discharging roller group for discharging mask cloth, and a first edge banding ultrasonic welding mechanism and a second edge banding ultrasonic welding mechanism installed on the frame, which are sequentially arranged and located between the two side plates; when the cloth enters the edge banding flower roller group and the flower roller group of the forming and welding device, the first ultrasonic wave and the second ultrasonic wave directly below the cloth are turned on, and the edge banding flower roller group and the flower roller group rotate to pull the cloth forward to realize cloth welding, and the upper and lower patterns of the cloth are pressed and formed, and the left and right patterns of the cloth are pressed and formed by the first edge banding convex teeth cooperating with the first welding head, and the second edge banding convex teeth cooperating with the second welding head, and the automation degree is high, and the mask forming and welding efficiency is high.

Description

A mask forming welding device

Technical Field

The present invention relates to the technical field of mask machines, and in particular to a mask forming and welding device.

Background Art

When the mask machine is producing masks, the mask fabric needs to be manually folded first, then the nose bridge strip is placed into the folded edge, and then the folded edge is welded. However, in existing mask machines, manual welding is usually used for folding edges. The folded edges welded manually have low stability and are often prone to loosening. The welding position is prone to errors, the welding efficiency is low, the labor cost is high, and the degree of automation is low.

Summary of the invention

The purpose of the present invention is to provide a mask forming welding device with high welding efficiency in view of the deficiencies in the prior art.

The purpose of the present invention is achieved through the following technical solutions:

Provided is a mask forming welding device, comprising two side plates, the two side plates are parallel to and fixed at intervals on the upper surface of a workbench on a frame, the mask forming welding device also comprises an edge banding flower roller group, a flower roller group, a cutting knife roller group, a discharge roller group for facilitating the discharge of mask fabric, and a first edge banding ultrasonic welding mechanism and a second edge banding ultrasonic welding mechanism installed on the frame, the edge banding flower roller group comprises a flower roller core shaft hinged to the two side plates and two first edge banding flower rollers sleeved outside the flower roller core shaft and arranged at intervals, the first The edge-sealing ultrasonic welding mechanism is located below the edge-sealing flower roller group and cooperates with the first edge-sealing flower roller; the flower roller group includes a flower roller core shaft hinged to the two side plates, and a second edge-sealing flower roller sleeved outside the flower roller core shaft, and the second edge-sealing ultrasonic welding mechanism is located below the flower roller group and cooperates with the second edge-sealing flower roller; the cutting knife roller group includes a cutting knife roller and a knife pad roller which are distributed up and down and hinged to the two side plates at both ends respectively, the mask fabric can pass through the gap between the cutting knife roller and the knife pad roller, and the cutting knife roller is provided with a cutting knife for cutting the mask fabric.

Among them, each of the first edge sealing flower rollers is provided with a first edge sealing convex tooth distributed in an annular manner on the outside of the first edge sealing flower roller, and the first edge sealing ultrasonic welding mechanism includes a first ultrasonic generator connected in sequence from bottom to top, a first transducer connected to the first ultrasonic generator, and a first welding head connected to the top of the first transducer and converting electrical energy into high-frequency vibration mechanical energy through the first transducer, and the first welding head is arranged corresponding to the first edge sealing convex tooth.

Among them, the second edge sealing roller is provided with a second edge sealing convex tooth extending along its length direction, and the second edge sealing ultrasonic welding mechanism includes a second ultrasonic generator connected in sequence from bottom to top, a second transducer connected to the second ultrasonic generator, and a second welding head connected to the top of the second transducer and converting electrical energy into high-frequency vibration mechanical energy through the second transducer, and the second welding head is arranged corresponding to the second edge sealing convex tooth.

Among them, the mask forming and welding device also includes a first pulling roller group and a second pulling roller group, the first pulling roller group is located between the edge banding flower roller group and the flower roller group, the second pulling roller group is located between the flower roller group and the cutting knife roller group, the first pulling roller group and the second pulling roller group both include a first pulling roller and a second pulling roller distributed up and down, and the distance between the first pulling roller and the second pulling roller is adjusted by adjusting the screw.

Among them, the mask forming and welding device also includes a discharge roller group; the discharge roller group is located at the outlet end of the cutting roller group, and the discharge roller group includes an adjusting screw, a first discharge roller and a second discharge roller distributed up and down, and the lower end of the adjusting screw is provided with a spring compression sleeve, and the distance between the first discharge roller and the second discharge roller is adjusted by compressing the spring compression sleeve by the adjusting screw.

Wherein, the bottom of the edge banding flower roller group and the bottom of the flower roller group are both provided with a spring positioning shaft and a spring sleeved outside the spring positioning shaft.

The beneficial effects of the present invention are as follows: an edge sealing flower roller group, a flower roller group, a first edge sealing ultrasonic welding mechanism and a second edge sealing ultrasonic welding mechanism are provided, so that the cloth enters the edge sealing flower roller group and the flower roller group of the forming welding device, and the first ultrasonic wave and the second ultrasonic wave directly below them are turned on, then the edge sealing flower roller group and the flower roller group rotate to pull the cloth forward to realize cloth welding, and the first edge sealing convex teeth cooperate with the first welding head, and the second edge sealing convex teeth cooperate with the second welding head to complete the pressing and forming of the upper and lower patterns of the cloth and the pressing and forming of the left and right patterns of the cloth, with a high degree of automation and high mask forming and welding efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention is further described using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative work.

Fig. 1 is a schematic structural diagram of a mask body sheet making machine of the present invention.

FIG. 2 is a schematic structural diagram of a cloth folding device of a mask body sheet making machine according to the present invention.

FIG3 is a schematic structural diagram of the ejecting device of the mask body sheet making machine of the present invention.

FIG4 is a schematic structural diagram of a nose bridge strip conveying device of the mask body sheet making machine of the present invention at an angle.

FIG5 is a schematic structural diagram of the nose bridge strip conveying device of the mask body sheet making machine of the present invention from another angle.

FIG6 is a schematic structural diagram of the nose bridge cutting wheel assembly of the mask body sheet making machine of the present invention.

FIG. 7 is a schematic diagram of the structure of the transition gear set of the mask body sheet making machine of the present invention.

FIG8 is a schematic structural diagram of the nose bridge feeding wheel assembly of the mask body sheet making machine of the present invention.

FIG. 9 is a schematic structural diagram of a mask forming and welding device of a mask body sheet making machine according to the present invention.

FIG. 10 is a schematic structural diagram of the edge-sealing roller group of the mask body sheet-making machine of the present invention.

FIG. 11 is a schematic structural diagram of the pattern roller group of the mask body sheet making machine of the present invention.

FIG. 12 is a schematic structural diagram of a cutter roller assembly of a mask sheet making machine according to the present invention.

FIG13 is a schematic structural diagram of the first edge-sealing ultrasonic welding mechanism of the mask body sheet-making machine of the present invention.

FIG. 14 is a schematic structural diagram of a transition conveying device of a mask body sheet making machine according to the present invention.

Figures 1 to 14 include:

Frame 1, frame body 11, work table 12, pre-folding device 2, pre-folding forming roller 21, convex teeth 22, cloth guide wheel 23, pre-folding mounting frame 24, cloth folding device 3, first cloth folding plate 31, second cloth folding plate 32, third cloth folding plate 33, cloth folding fixing seat 34, pad 35, folding step adjustment seat 36, nose bridge conveying device 4, installation bottom plate 41, folding component 42, cloth folding piece 421, cloth pressing plate 422, cutting frame 431, slider seat 433 , adjusting plate 434, slide 435, nose guide sleeve 436, fixing rod 437, nose feed wheel set 44, mold compression spring 441, movable sleeve 442, slide seat 443, bearing 444, feed shaft 445, nose feed wheel 446, spacer sleeve 447, feed gear 448, nose cutter wheel set 45, positioning sleeve 451, slide seat 452, bearing 453, cutter shaft 454, nose cutter wheel 455, nose strip cutter 456, spacer sleeve 457, cut Cutter gear 458, sprocket 459, transition gear set 46, adjustment seat 461, bearing 462, transition gear 463, mask forming welding device 5, side plate 51, edge banding flower roller set 52, flower roller core shaft 521, first edge banding flower roller 522, first edge banding convex tooth 523, flower roller set 53, flower roller core shaft 531, second edge banding flower roller 532, second edge banding convex tooth 533, cutter roller set 54, cutter roller 541, knife pad roller 542, cutter 543, positioning sleeve 544, discharge roller group 55, first edge sealing ultrasonic welding mechanism 56, first ultrasonic generator 561, first transducer 562, first welding head 563, first pulling roller group 58, second pulling roller group 59, transition conveying device 6, main frame 61, discharge plate 62, reduction motor 63, main synchronous wheel 64, small synchronous wheel 65, synchronous belt 66, flat belt 67, speed regulator 68, top material device 7, support adjustment rod 71, top cloth shaft 72, top cloth roller 73.

DETAILED DESCRIPTION

The present invention is further described in conjunction with the following examples.

A specific embodiment of a mask body sheet making machine of the present invention, as shown in Figures 1 to 14, includes a frame 1, a pre-folding device 2, a cloth folding device 3, a nose bridge strip conveying device 4, a mask forming and welding device 5, a transition conveying device 6 and a top material device 7 installed on the frame 1 and arranged in sequence. The frame 1 includes a frame body 11 and a workbench 12 fixedly connected to the top of the frame body 11, and the pre-folding device 2, the cloth folding device 3, the nose bridge strip conveying device 4, the mask forming and welding device 5 and the transition conveying device 6 are all installed on the workbench 12.

The pre-folding device 2 includes two pre-folding forming rollers 21 correspondingly arranged above and below for making preliminary folds on the mask, each pre-folding forming roller 21 is provided with a plurality of parallel convex teeth 22, the convex teeth 22 of the two pre-folding forming rollers 21 are in meshing shape, and the rotation directions of the two pre-folding forming rollers 21 are opposite. The pre-folding device 2 also includes a pre-folding mounting frame 22 fixedly connected to the upper surface of the frame 1, the pre-folding mounting frame 22 is provided with a plurality of cloth guide wheels 23 arranged in sequence for guiding the cloth to move forward, the pre-folding forming roller 21 is located on one side of the cloth guide wheel 23 and the pre-folding forming roller 21 is installed on the pre-folding mounting frame 22.

A folding device 3 and a feeding device 7 are provided on one side of the pre-folding device 2. The folding device 3 and the feeding device 7 are spaced apart. The folding device 3 includes at least three folding plates stacked up and down, namely, a first folding plate 31, a second folding plate 32 and a third folding plate 33. The first folding plate 31, the second folding plate 32 and the third folding plate 33 are divided into two, forming two sets of plug-in mechanisms. The dividing lines of the three folding plates are staggered. The first folding plate 31, the second folding plate 32 and the third folding plate 33 are fixed on the workbench 12 through a folding fixing seat 34. A pad 35 for adjusting the gap between adjacent folding plates is provided between the first folding plate 31, the second folding plate 32 and the third folding plate 33, and the gap between the folding plates corresponding to the other set of plug-in mechanisms is adjusted through a folding adjustment seat installed in the groove of the folding fixing seat 34.

The material pushing device 7 is located between the cloth folding device 3 and the nose bridge strip conveying device 4, and the material pushing device 7 includes a supporting adjustment rod 71 and a cloth pushing shaft 72. The bottom of the supporting adjustment rod 71 is fixedly connected to the frame 1, and the top of the supporting adjustment rod 71 is connected to the cloth pushing shaft 72. There are two supporting adjustment rods 71, and the cloth pushing shaft 72 connects the two supporting adjustment rods 71. The outer sleeve of the cloth pushing shaft 72 is provided with a cloth pushing roller 73 in contact with the mask cloth, and the cloth pushing roller 73 is hinged to the cloth pushing shaft 72.

The nose bridge strip conveying device 4 and the feeding device 7 are arranged at a distance, and the nose bridge strip conveying device 4 includes a mounting base plate 41, and a folding assembly 42 installed on the mounting base plate 41 for folding the two sides of the mask, and a cutting frame group for cutting the nose bridge strip. The folding assembly 42 includes two parallel cloth folding pieces 421 and a cloth pressing plate 422 located between the two cloth folding pieces 421, the bottom of the cloth folding piece 421 is fixedly connected to the mounting base plate 41, and the upper end of the cloth folding piece 421 forms a certain angle with the mounting base plate 41, and the angle between the upper end of the cloth folding piece 421 and the mounting base plate 41 is less than or equal to ninety degrees, which is convenient for folding the side of the mask cloth, and a gap is provided between the cloth pressing plate 422 and the mounting base plate 41 to facilitate the passage of the mask cloth.

The cutting frame group includes a cutting frame 431 and a slider adjustment seat fixedly connected to the upper surface of the mounting base 41, the slider adjustment seat is arranged on the right side of the mounting base 41, the cutting frame 431 is fixed to the inner side of the slider adjustment seat through a connecting plate, and the cutting frame 431 is located on the upper surface of the cloth pressing plate 422, the nose bridge strip conveying device 4 also includes a nose bridge guide sleeve (not shown), and the nose bridge guide sleeve is fixed to the discharge end of the upper side of the cutting frame 431 through a fixing rod; the slider adjustment seat includes a slider seat 433 and an adjustment plate 434 connected to the top of the slider seat 433, two slide grooves 435 are arranged between the slider adjustment plate 434 and the slider seat 433, and each slide groove 435 is provided with a top for adjusting the height of the slide groove 435. The slide adjustment seat is provided with a nose bridge feeding wheel set 44 and a nose bridge cutting wheel set 45, the nose bridge feeding wheel set 44 and the nose bridge cutting wheel set 45 are connected by gear transmission, the nose bridge cutting wheel set 45 and the nose bridge feeding wheel set 44 are respectively installed in two slide grooves 435, the slide seat of the nose bridge cutting wheel set 45 is provided with a positioning sleeve 451, the slide seat of the nose bridge feeding wheel set 44 is provided with a mold compression spring 441 and a movable sleeve 442, the positioning sleeve 451 is supported by the adjusting screw to adjust the cutting gap of the nose bridge cutting wheel set 45, the compression amount of the mold compression spring 441 is adjusted by the adjusting screw to support the movable sleeve, and the gap between the nose bridge feeding wheel and the bearing installed on the cutting frame 431 is adjusted, so as to adjust the size of its dynamic friction. The cloth pressing plate 422 is located in the middle of the nose bridge feeding wheel set 44 and the nose bridge cutting wheel set 45.

The nose bridge feeding wheel assembly 44 includes a slide seat 443, a bearing 444, a feeding shaft 445, a nose bridge feeding wheel 446, a spacer 447 and a feeding gear 448. The feeding shaft 445 is fixed in the inner holes on both sides of the slide seat 443 by means of a matching bearing. The inner end of the feeding shaft 445 close to the slider seat 433 is provided with a nose bridge feeding wheel 446, and the outer end of the feeding shaft 445 close to the slider seat 433 is provided with a feeding gear 448 spaced by a spacer 447; the nose bridge cutting wheel assembly 45 includes a slide seat 452, a bearing 453, a cutting shaft 454, a nose bridge cutting wheel 455, a nose bridge strip cutting knife 456, a spacer 457, a cutting gear 458 and a sprocket 459. The cutting shaft 454 is fixed in the inner holes on both sides of the slide seat 443 by means of a matching bearing 453. The cutting shaft 454 close to the slider seat 433 is provided with a nose bridge feeding wheel 446. The inner end of the nose bridge strip conveying device 4 is provided with a nose bridge cutting wheel 455, and the nose bridge strip cutting knife 456 is fixed in the groove of the nose bridge cutting wheel 455 by a set screw, and the cutting shaft 454 is close to the outer end of the slider seat 433 and the cutting gear 458 is installed through a spacer, and the cutting gear 458 is aligned with the side of the transition gear 463 and the feeding gear 448. The cutting shaft 454 is close to the outer end of the slider seat 433 and the tail is provided with a sprocket 459; the nose bridge strip conveying device 4 also includes a transition gear group 46, and the transition gear group 46 includes an adjusting seat 461, a bearing 462 and a transition gear 463, and the transition gear 463 is fixed on the shaft of the adjusting seat 461 through the bearing 462, and the transition gear group 46 is installed in the transition middle position of the nose bridge feeding wheel group 44 and the nose bridge cutting wheel group 45, and is fixed on the outer side of the slider seat 433.

The mask forming welding device 5 includes two side plates 51, and the two side plates 51 are parallel and fixed at intervals on the upper surface of the workbench on the frame 1. The mask forming welding device 5 includes an edge banding roller group 52, a flower roller group 53, a cutting roller group 54, a discharge roller group 55 for discharging mask fabric, and a first edge banding ultrasonic welding mechanism 56 and a second edge banding ultrasonic welding mechanism installed on the workbench 12 on the frame 1. The first edge banding ultrasonic welding mechanism 56 is located below the edge banding roller group 52, and the second edge banding ultrasonic welding mechanism is located below the flower roller group 53. The edge-sealing flower roller group 52 includes a flower roller core shaft 521 hinged to the two side plates 51 and two first edge-sealing flower rollers 522 sleeved outside the flower roller core shaft 521 and spaced apart. Each of the first edge-sealing flower rollers 522 is provided with a first edge-sealing convex tooth 523 annularly distributed on the outer side of the first edge-sealing flower roller 522. The first edge-sealing ultrasonic welding mechanism 56 includes a first ultrasonic generator 561 connected in sequence from bottom to top, a first transducer 562 connected to the first ultrasonic generator 561, and a first transducer 562 connected to the top of the first transducer 562 and converting electrical energy into high frequency energy through the first transducer 562. The first welding head 563 (only the first edge-sealing ultrasonic welding mechanism is taken as an example in the figure) that generates mechanical energy of vibration, the first welding head 563 is arranged corresponding to the first edge-sealing convex tooth 523, the first transducer 562 is fixed to the lower bottom surface of the working table 12 of the mask body film-making machine through the vibrator mounting plate and the adjusting screw, and the first ultrasonic generator 561 is installed at the bottom of the inner side of the frame 1 of the mask body film-making machine through the bracket; the flower roller group 53 includes a flower roller core shaft 531 hinged with two side plates, and a second edge-sealing flower roller 532 sleeved outside the flower roller core shaft 531, and the second edge-sealing flower roller 532 is provided with a The second edge-sealing convex tooth 533 extends in the length direction, and the second edge-sealing ultrasonic welding mechanism includes a second ultrasonic generator connected in sequence from bottom to top, a second transducer connected to the second ultrasonic generator, and a second welding head connected to the top of the second transducer and converting electrical energy into high-frequency vibration mechanical energy through the second transducer. The second welding head is arranged corresponding to the second edge-sealing convex tooth 533, the second transducer is fixed to the lower bottom surface of the working table 12 of the mask body film making machine through a vibrator mounting plate and an adjusting screw, and the second ultrasonic generator is installed at the inner bottom of the frame 1 of the mask body film making machine through a bracket. The cutting roller group 54 includes a cutting roller 541 and a knife pad roller 542 which are distributed up and down and hinged to two side plates 51 at both ends. The mask fabric can pass through the gap between the cutting roller 541 and the knife pad roller 542, and the cutting roller 541 is provided with a cutting knife 543 for cutting the mask fabric. The cutting knife 543 extends along the length direction of the cutting roller 541. The cutting roller group 54 adjusts the depth of the cutting knife 543 by a screw and a positioning sleeve 451.

The mask forming and welding device 5 also includes a first pulling roller group 58 and a second pulling roller group 59. The first pulling roller group 58 is located between the edge banding flower roller group 52 and the flower roller group 53, and the second pulling roller group 59 is located between the flower roller group 53 and the cutting roller group 54. The first pulling roller group 58 and the second pulling roller group 59 both include a first pulling roller and a second pulling roller distributed up and down, and the gap between the first pulling roller and the second pulling roller is adjusted by an adjusting screw; the discharge roller group 55 is located at the outlet end of the cutting roller group 54, and the discharge roller group 55 includes an adjusting screw, a first discharging roller and a second discharging roller distributed up and down, and the lower end of the adjusting screw is provided with a spring compression sleeve, a mold compression spring and a spring positioning sleeve, and the gap between the first discharging roller and the second discharging roller is adjusted by compressing the mold compression spring by the adjusting screw.

The transition conveying device 6 is arranged at the exit position of the forming welding device. The transition conveying device 6 is fixed to the two inner sides of the two side plates of the forming welding device through a gasket and bolts, close to the side of the discharge roller group 55. The first feeding wheel of the transition conveying device 6 is connected to the first discharge roller of the forming welding device through a circular belt. The transition conveying device 6 includes a main frame 61, which is composed of a left side plate, a right side plate, a gasket, a feeding wheel shaft and a discharge plate 62. The reduction motor 63 is fixed to the outer side of the left side plate through a motor connecting plate, and the left side plate is provided with a speed regulator mounting plate to install the speed regulator 68. The output shaft of the reduction motor is equipped with a main synchronous wheel, and the output shaft of the reduction motor 63 is equipped with a main synchronous wheel 64 and a small synchronous wheel 65. The main synchronous wheel 64 transmits torque and speed to the small synchronous wheel 65 through a synchronous belt 66; the small synchronous wheel 65 is coaxially installed with the second feeding wheel and the first pulley, and the second feeding wheel is connected to the driven pulley through a flat belt 67. The driven pulley is installed at the lower right of the second feeding wheel, leaving a small movement gap with the discharge plate 62; a first pulley and a second pulley are installed at the upper right of the first pulley, and the first pulley coaxial with the second feeding wheel and the second pulley are installed On the same straight line of the right side plate, the first pulley is connected to the second pulley through a Φ3 round belt, and another first pulley is installed at the lower left of the second pulley and the tight outer side of the Φ3 round belt, so that the rotation direction of this first pulley is opposite to the first pulley coaxial with the second feeding wheel; the reverse rotating first pulley is coaxially installed with the third feeding wheel, and the fourth feeding wheel is installed at the lower right of the third feeding wheel and above the discharge plate 62, leaving a gap between the discharge mask and the discharge plate 62, and close to the output end; the discharge plate 62 is installed at the lower right of the driven pulley, below the fourth feeding wheel, and on the right side of the output end. The first feeding wheel is connected to the second discharge roller of the mask body machine forming section with a Φ6 round belt, and a tensioning wheel is set on the inner side of the loose edge of the Φ6 round belt connected to the end of the second discharge roller.

The above structure works as follows:

S1. After the cloth (the mask cloth mentioned above) passes over the top of the top cloth roller 73 to form tension, it enters the nose bridge strip conveying device 4 to realize hemming and edging. The nose bridge strip cutter 456 of the nose bridge cutter wheel group 45 cuts the nose bridge strip to a fixed length and then introduces it into the hemming cloth; the nose bridge strip is unwound and pulled by the rotation of the nose bridge feeding wheel 446 of the nose bridge feeding wheel group 44 of the nose bridge strip conveying device 4; the movement of the nose bridge feeding wheel group 44 on the nose bridge strip conveying device 4 is driven by the gear and transition gear group 46 on the nose bridge cutter wheel group 45, and the movement of the nose bridge cutter wheel group 45 is driven by the sprocket on the edge banding flower roller group 52 and the sprocket chain on the nose bridge cutter wheel group 45.

S2, the cloth is unwound and pulled by the rotation of the first pulling roller group 58 and the second pulling roller group 59, and the cloth enters the edge banding roller group 52 and the flower roller group 53 of the mask forming and welding device 5, and is turned on by the ultrasonic generator directly below each of them. The edge banding roller group 52 and the flower roller group 53 rotate and pull the cloth forward to achieve cloth welding, complete the upper and lower pattern pressing and forming of the cloth and the left and right pattern pressing and forming of the cloth, and the cloth passes through the second pulling roller group 59 and enters the cutter roller group 54, and is cut into mask sheets by the blade of the cutter roller group 54. Mechanical automatic cutting is adopted, so that the cutting efficiency is higher, the precision is more accurate and the labor cost is saved. The mask sheet is discharged through the friction transmission of the first discharge roller and the second discharge roller of the discharge roller group 55, and is transported to the transition conveying device 6 by the second discharge roller through a round belt.

S3. The power transmission system of the mask body making machine outputs torque and speed by a variable frequency gear reduction motor, and drives the first drawing roller group 58 and the second drawing roller group 59 to move through a chain transmission mechanism; the first drawing roller group 58 drives the edge banding flower roller group 52 to move through a gear transmission mechanism and a transition gear group 46; the movement of the flower roller group 53 and the cutting roller group 54 is driven by the gear transmission mechanism and the transition gear group 46 of the second drawing roller group 59; the movement of the discharge roller group 55 is driven by the sprocket chain transmission mechanism of the second drawing roller group 59.

S4, the second discharging roller conveys the mask piece to the flat belt 67 of the transition conveying device 6 through the round belt. The mask piece is clamped and conveyed by the flat belt conveyor belt and the round belt in the synchronous pulley transmission group, and the reverse pulley idler wheel. The mask piece is thrown onto the tray 3-25 of the tray conveying device 3-2 of the ear band welding machine 3 by inertia under high-speed motion at the discharging plate 62, and the next process starts.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims (4)

1. The mask forming and welding device is characterized by comprising two side plates, wherein the two side plates are parallel and fixed on the upper surface of a workbench plate on a frame at intervals, the mask forming and welding device further comprises a banding pattern roller group, a cutter roller group, a discharging roller group, a first banding ultrasonic welding mechanism and a second banding ultrasonic welding mechanism, wherein the banding pattern roller group, the cutter roller group, the discharging roller group is convenient for discharging mask cloth, the first banding ultrasonic welding mechanism and the second banding ultrasonic welding mechanism are arranged on the frame, the banding pattern roller group comprises a pattern roller mandrel hinged with the two side plates, and two first banding pattern rollers arranged at intervals and sleeved outside the pattern roller mandrel, and the first banding ultrasonic welding mechanism is positioned below the banding pattern roller group and matched with the first banding pattern roller; the pattern roller set comprises a pattern roller mandrel hinged with the two side plates and a second edge sealing pattern roller sleeved outside the pattern roller mandrel, and the second edge sealing ultrasonic welding mechanism is positioned below the pattern roller set and matched with the second edge sealing pattern roller; the cutter roller set comprises cutter rollers and cutter pad rollers which are distributed up and down and are respectively hinged with the two side plates at two ends, mask cloth can pass through a gap between the cutter rollers and the cutter pad rollers, and cutters for cutting off the mask cloth are arranged on the cutter rollers;

Each first edge banding pattern roller is provided with first edge banding pattern teeth which are annularly distributed on the outer side of the first edge banding pattern roller, the first edge banding ultrasonic welding mechanism comprises a first ultrasonic generator, a first transducer and a first welding head, the first ultrasonic generator is connected with the first transducer, the first welding head is connected with the top of the first transducer and converts electric energy into mechanical energy of high-frequency vibration through the first transducer, and the first welding head is correspondingly arranged with the first edge banding pattern teeth;

The second edge sealing embossing roller is provided with second edge sealing convex teeth extending along the length direction of the second edge sealing embossing roller, the second edge sealing ultrasonic welding mechanism comprises a second ultrasonic generator, a second transducer and a second welding head, the second ultrasonic generator is sequentially connected from bottom to top, the second transducer is connected with the second transducer, the second welding head is used for converting electric energy into mechanical energy of high-frequency vibration through the second transducer, and the second welding head is correspondingly arranged with the second edge sealing convex teeth.

2. The mask forming and welding device according to claim 1, wherein: the mask forming welding device further comprises a first material pulling roller set and a second material pulling roller set, the first material pulling roller set is located between the edge banding pattern roller set and the pattern roller set, the second material pulling roller set is located between the pattern roller set and the cutter roller set, the first material pulling roller set and the second material pulling roller set respectively comprise a first material pulling roller and a second material pulling roller which are distributed up and down, and the distance between the first material pulling roller and the second material pulling roller is adjusted through an adjusting screw.

3. The mask forming and welding device according to claim 1, wherein: the mask forming and welding device further comprises a discharging roller set; the discharging roller set is located at the outlet end of the cutter roller set, the discharging roller set comprises an adjusting screw, a first discharging roller and a second discharging roller which are distributed up and down, a spring pressing sleeve is sleeved at the lower end of the adjusting screw, and the distance between the first discharging roller and the second discharging roller is adjusted by the adjusting screw to compress the spring pressing sleeve.

4. The mask forming and welding device according to claim 1, wherein: the bottom of banding festoon roller group with the bottom of festoon roller group all is equipped with the spring location axle, and the spring of cover outside the spring location axle.